80results about "Shaping tools" patented technology

The invention discloses an aluminum alloy special-shaped pipe ultralow temperature medium pressure forming method. Through the characteristic that the forming performance of an aluminum alloy pipe material under the ultralow temperature condition is substantially improved, the pipe material is subjected to cooling and pressurizing in a mold through an ultralow temperature medium, and thus, the pipe material is formed into a special-shaped pipe at the ultralow temperature. According to the aluminum alloy special-shaped pipe ultralow temperature medium pressure forming method, the ultralow temperature medium is used for cooling the mold and the pipe material and meanwhile conducting pressurizing so that flexible loading of the pipe material can be achieved, and the complex special-shaped variable cross-section pipe can be formed advantageously; through the characteristic that the forming performance of the aluminum alloy pipe material under the ultralow temperature condition is substantially improved, cooling and pressurizing are conducted through the ultralow temperature medium, the pipe material is deformed under the ultralow temperature condition, the forming performance is substantially improved, and the situation that the aluminum alloy special-shaped pipe large in cross section difference is cracked during hydraulic forming is avoided; and the forming performance of the welded seam zone of an assembled welding pipe and the forming performance of parent metal are both substantially improved, the plasticity coefficients are approximate, and the problem that the welded seam zone of the large-diameter aluminum alloy special-shaped pipe is cracked is solved.

The invention relates to improvement for upper die clamping devices of bending machines, in particular to an upper die clamp-type hydraulic clamping device of a bending machine. The upper die clamp-type hydraulic clamping device of the bending machine comprises a driving sliding block and a plunger hydraulic oil cylinder. The upper die clamp-type hydraulic clamping device of the bending machine is characterized in that the plunger hydraulic oil cylinder is arranged in a mounting hole in a mounting plate of the driving sliding block, a press plate is arranged on one side, located on a cylinder body of the plunger hydraulic oil cylinder, of the mounting plate, a clamping plate is arranged on the other side, located on a piston rod of the plunger hydraulic oil cylinder, of the mounting plate through ball screws, a clamping groove is formed in the lower portion of the clamping plate, and a tensioning mechanism is arranged in the clamping groove of the clamping plate. The upper die clamp-type hydraulic clamping device of the bending machine solves the problems that the upper die clamping device of the existing bending machine is low in die change operation efficiency, the labor intensity of operation personnel is large, upper die locating accuracy is poor, and the service life of a hydraulic oil cylinder is short. The upper die clamp-type hydraulic clamping device of the bending machine is mainly used for the improvement of the upper die clamping devices of the existing bending machines.

The invention discloses a magnetic collector for magnetic pulse forming, and relates to a magnetic collector. The invention aims at solving the problem that the structural strength of a magnetic collector, the insulation capacity of the gap of a longitudinal joint of the magnetic collector, and the insulation capacity between a working area of the magnetic collector and the machined workpiece are reduced due to a rapid temperature rise generated during a continuous magnetic pulse forming process, so that short circuit and structural damages among the longitudinal joint of the magnetic collector, the magnetic collector and the workpiece are caused, and finally the formation production chain is broken. According to the invention, at least one cooling channel ring is machined on a longitudinal arm; each cooling channel ring comprises a plurality of cooling channels; each cooling channel penetrates through an inner sleeve body in the longitudinal length direction and is internally charged with a refrigeration gas or a refrigeration liquid; and every two cooling channels are communicated through an external tube so as to form a serial cooling pipeline or a parallel cooling pipeline; and the Joule heat generated by the magnetic collector during multiple charge-discharge processes is brought away by charging the refrigeration gas or the refrigeration liquid in the cooling channel rings, thus effectively assisting to cool the magnetic collector. The magnetic collector disclosed by the invention is used in a magnetic pulse forming process.

The invention relates to a mold, and more particularly relates to a metal plate forming mold and a forming method thereof. The method comprises the following steps that step 1: a metal plate is placedon the upper side of a convex circle seat, so that the left and right ends of the metal plate are inserted into two bottom grooves and then penetrate out of the two bottom grooves, during upward moving of two edge folding strips, the parts, penetrating out of the two bottom grooves, of the metal plate are bent upwards to complete folding of the left and right edges of the metal plate; step 2: twopressing blocks are pressed on the upper side of the metal plate to make a first electric pushing rod extend to drive a sliding block to slide downwards on a middle column, two upper seats slide towards the lower inclined part by being far away from each other to drive the two pressing blocks to slide towards the lower inclined part by being far away from each other, meanwhile, the metal plate can be stretched from the middle to both sides, and the left and right length of the metal plate is made to be longer accordingly; and step 3: an inverted-V-shaped rod moves downwards to drive the two pressing blocks to press the metal plate placed on the upper side of the convex circle seat, so that the metal plate is pressed into an arc shape.

The invention relates to the hydraulic forming technology of an alloy plate, in particular to a magnesium alloy digital camera casing with a movable male die and a similar product hydraulic forming special-purpose die assembly. The technology is mainly used for the heating, the hydraulic pressure, the drawing and the forming of the magnesium alloy sheet material. The die assembly is provided with a hydraulic pressure room, a concave die, a clamping ring, a drawing male die and a heating element. The drawing male die adopts a blocking type composite structure, and comprises a fixed male die and a movable male die moving along a slip way up and down. The movable element in the combined drawing male die improves the deformation sequence and the stressed state of a forming part, to lead the limit of the sheet material to being formed and the rate of finished products to be improved. The invention has the advantages that the availability of material is high, the surface quality of a manufactured product is good, the rigidity is high, the shape and the dimension precision are high, the invention can form a complicated plate part with a digital camera casing and other shapes, in particular to the plate part required to be heated and formed when forming a magnesium alloy plate part; the service life of the die assembly is long, the replacement is simple, and the process and the installation are simple.

The invention discloses a fixture for forming a U-shaped clip of a steel plate spring. The fixture is characterized in that: a die shank and an upper module are connected with the upper end and the lower end of an upper die fixing block respectively; a lower die fixing block is arranged on the upper end face of a lower template; two lower modules and a gap regulation base plate are arranged on two sides of the upper end of the lower die fixing block respectively; a gap between the two lower modules corresponds to the upper module; and an elastic material return body with a positioning pin is arranged in the middle of the lower die fixing block. Due to the arrangement, the die shank and the lower template are connected with an upper stamping head and a working table of a pressure machine respectively, so the fixture can form U-shaped clips of steel plate springs of different specifications by bending.

A tool system for brake forming having a punch or a die and at least one insert. In one embodiment, two inserts are removably attached to a die. The die has a defined shape running along a longitudinal axis. Each insert has a protrusion with a particular cross-sectional shape running along the same longitudinal axis. The die has two cavities, each cavity having a cross-sectional shape matching the cross-sectional shape of the protrusion of one of the inserts. In another embodiment, the die has two protrusions and each insert has a cavity for receipt of one of the protrusions of the die. When one of the protrusions is inserted into one of the cavities, the insert is removably fixed to the die. At least one surface of each insert corresponds to and combines with the defined shape of the die, forming a bending surface against which a sheet of metal is formed. After press braking, the sheet of metal is substantially conformed to the defined shape of the die. In another embodiment, an insert is removably attached to a punch such that the insert forms the entire surface of the punch system that contacts the sheet of metal to be shaped during press braking. The inserts are positioned such that they encounter most of the wear caused by the brake forming, whereas the punch and the die encounter only minimal wear. As a result, the inserts are inexpensively repaired or replaced when needed, but the punch and the die remain in good condition during extended use.

The invention discloses a drawing punching compound die. The drawing punching compound die comprises upper die and lower die which are oppositely installed upwards and downwards. The lower die is fixedly connected with a hydraulic device. A forming plate matched with the upper die is installed between the upper die and the lower die. The upper die and the forming plate are respectively connected with a driving device of the hydraulic device. The upper die is provided with a concave installing hole. The forming plate is provided with a second through hole corresponding to the installing hole. A forming block is slidably installed in the installing hole. The second through hole is internally and slidably provided with a drawing punch matched with the forming block. The drawing punch is supported on the lower die by a first spring support component vertically supported on the lower die. The end faces of the upper die and the forming block form an upper forming plane for forming a cylinder component. The end faces of the forming plate and the drawing punch form a lower forming plane mated with the upper forming plane for forming the cylinder component. The lower die is vertically provided with a plurality of blanking punches. The drawing punch is slidably installed on the blanking punches. The forming block is provided with a plurality of blanking holes corresponding to a plurality of the blanking punches. The lower die is slidably provided with an active base plate.

The invention provides a stamping die capable of keeping pressing leftover material parts of plates. The stamping die comprises an upper die seat and a lower die seat. A convex die is arranged at thelower end of the upper die seat, and a concave die is arranged at the upper end of the lower die seat. Multiple pressing devices are evenly distributed on the upper die seat with the convex die as thecenter. Each pressing device comprises a base, a press plate below the base and multiple pressing mechanisms between the base and the press plate. A press pad is arranged on the lower end face of each press plate. A concave cavity is arranged at the lower end of the upper die seat, and a base body of the convex die is mounted in the concave cavity and is fixed by a locating pin mounted on the upper die seat. The structural design of the stamping die is reasonable; and through the arranged pressing devices, in the stamping process, the leftover material parts of the plates are kept being pressed, leftover materials are prevented from rebounding, and the effect is remarkable. The convex die is fixed to the upper die seat through the locating pin, demounting and replacement can be facilitated, universality is good, the locating pin only achieves a locating function and does not achieve the function of mainly bearing stamping loads, the structure stability is good, and the service life islong.

The invention discloses a multi-station bending device. The multi-station bending device comprises a plurality of upper die mechanisms and a lower die mechanism. The multiple upper die mechanisms are arranged on a connecting plate. The lower die mechanism is arranged on a front-and-back moving mechanism. The multiple upper die mechanisms are transversely arranged in parallel. The front-and-back moving mechanism drives the lower die mechanism on the front-and-back moving mechanism to transversely move. The front-and-back moving mechanism drives the lower die mechanism to continuously move transversely to the position under the multiple upper die mechanisms transversely arranged. A preset shape is formed after N-time bending processing is carried out on terminals of electronic components through the multiple upper die mechanisms and the lower die mechanism. By means of the technical scheme, the preset complex shape can be achieved in the manner that the terminals of the batch of the electronic components loaded on the lower die mechanism are processed through the bending device.

The invention discloses a stamping die for automobile interior plates. The stamping die comprises a lower die base. A plurality of supporting rods are arranged at the upper end of the lower die base. An upper die base is arranged at the upper ends, away from the lower die base, of the supporting rods. A first fixing base is arranged on the side, close to the lower die base, of the upper die base. A notch is formed in the side, close to the lower die base, of the first fixing base. Sliding rails are symmetrically arranged on the inner wall of the notch and vertically arrayed. A connecting block is arranged between the two sliding rails. A male die is arranged on the connecting block. A plurality of springs are arranged on the side, close to the upper die base, of the male die at equal intervals. A second fixing base is arranged at the upper end of the lower die base and located among the supporting rods. The stamping die is simple in structure, greatly lowers the requirement for the tonnage of a machine tool and reduces cost; besides, the machine tool hardly vibrates, and thus noise is reduced; the stamping die hardly vibrates and does not generate abnormal sounds, the service life of the male die and a female die is prolonged, the quality of the stamping die is improved, and manpower and material resources are saved.

The invention discloses novel equipment for processing box-shaped electronic elements. The novel equipment comprises a base, an oil cylinder (1), a pipeline I (2), a pipeline II (3) and a three-way air pressure valve (5). A fixing rod (10) is arranged on the side of a female die (9). The oil cylinder (1) is perpendicular to the bottom of a cross beam (8) and further fixedly arranged below the cross beam (8). The three-way air pressure valve (5) is arranged on a support (7). A valve door of the three-way air pressure valve (5) is above the fixing rod (10). Openings of the pipeline I (2) and the pipeline II (3) are connected with an air outlet of the three-way air pressure valve (5), respectively. The tail of the pipeline I (2) is perpendicular to the bottom of the female die (9) and communicated with a cavity of the female die (9). The tail of the pipeline II (3) is arranged at the top of the cavity and further arranged outside the same. The novel equipment has the advantages of simple structure, high production efficiency, labor saving and operational convenience for staffs.

The invention discloses an automobile external glazing tape manufacturing technique and a correction tool applied to the technique. The automobile external glazing tape manufacturing technique comprises the steps that A, uncoiling is carried out; B, coarse grinding is carried out; C, leveling is carried out; D, roller forming is carried out; E, the correction tool is used for achieving on-line bending of a metal framework obtained after rolling; F, a gluing mold and foams are used for coating the outer wall of the metal framework with a cross-linking agent; G, the cross-linking agent is solidified; H, wrapping of a resin layer is carried out, an extrusion mold and a rolling mold are located in the same straight line and are not located on the same straight line with the correction tool; I,cooling and shaping are carried out; J, blowing drying is carried out; K, traction equipment is used for traction; and L, shearing equipment is used for fixed-length saw cutting. By means of the automobile external glazing tape manufacturing technique and the correction tool applied to the technique, external glazing tapes in the forming process can be subjected to on-line bending, the wasted reserved portions are saved, and the manufacturing cost is reduced.

The invention discloses a slotting bush forming manufacturing mechanism which comprises a concave die and a convex die. A plate forms a reversed U shape through the concave die and the convex die. A separating device A which can separate the concave die and the convex die is arranged between the concave die and the convex die. An opening closing mechanism which can enable the reversed-U-shaped plate to be in a cylinder shape is arranged below the concave die and the convex die. The opening closing mechanism is fixed on the base which is provided with a separating device B. The separating device B can separate the opening closing mechanism and the convex die. The problem of production and manufacturing of slotting bushes is solved, and the blank of similar equipment in Chinese market is filled. The slotting bush forming manufacturing mechanism has the advantages of being simple in structure and convenient to operate, and by changing the related size of a wedge sliding block, the concave die and a core shaft, forming manufacturing of a series of slotting bushes can be achieved.

The invention discloses an automatic mold material taking device, which comprises an upper mold, a lower mold and a rotating arm, wherein the rotating arm comprises a support and a crossbeam, a rotating electric motor is arranged at the lower part of the support, a sucker is arranged at one end of the crossbeam, the other end of the crossbeam is connected with the support, the rotating arm is arranged between the upper mold and the lower mold, a starting switch is arranged at the front end of the lower mold, and the starting switch is connected with the rotating electric motor by a cable. By using the above manner, the automatic mold material taking device disclosed by the invention can improve the service life of the molds, is safe and reliable in work, and is simple and easy to operate.

The embodiment of the invention relates to a metal lithium strip die cutting device. The metal lithium strip die cutting device comprises a fixing frame, a pneumatic device, an upper cutting die, a lower cutting die and multiple spring guide columns; the pneumatic device comprises an air cylinder and a transmission steel cylinder; the upper cutting die comprises a first steel plate, a first anti-sticking plate and a cutting edge boss; the lower cutting die comprises a second steel plate, a second anti-sticking plate, an elastic steel sheet and a movable anti-sticking sheet; the upper ends of the multiple spring guide columns are connected with the upper cutting die while the lower ends are connected with the lower cutting die; the transmission steel cylinder reciprocates under driving of the air cylinder to push the upper cutting die to reciprocate in the direction perpendicular to the upper surface of the lower cutting die, so that a metal lithium strip to be die-cut is die-cut through the cutting edge boss; and the first anti-sticking plate, the second anti-sticking plate, the cutting edge boss and the movable anti-sticking sheet are correspondingly made of one of metal sulfide,elemental copper, an alloy of a copper-philic element and copper, a hydrocarbon polymer and a derivative of the hydrocarbon polymer.

The invention discloses a drawing die for a sheet metal part of an automobile shock absorber. The drawing die comprises a die carrier consisting of an upper die holder and a lower die holder, wherein a drawing female die is arranged on the upper die holder; a drawing male die fixing plate is arranged on the lower die holder; a drawing male die corresponding to the drawing female die is arranged on the drawing male die fixing plate; a blank holder corresponding to the drawing male die is arranged on the drawing male die fixing plate; a plurality of positioning pins are arranged on the blank holder; positioning holes corresponding to the positioning pins are formed in the drawing female die; and a plurality of L-shaped guide blocks wrapping corners of the drawing male die fixing plate are arranged on the lower die holder. By adoption of the mode, the drawing die for the sheet metal part of the automobile shock absorber, disclosed by the invention, has the advantages that the traveling precision is high, and the dimensional accuracy and stable reliability are improved; and meanwhile, the drawing die is equipped with the blank holder which is used for pressing and fixing operation parts in the drawing process and realizing a good wrinkle resisting effect.

The invention discloses a deep drawing die for a compressor rack and belongs to the field of stamping dies. The deep drawing die for the compressor rack comprises an upper die plate, a lower die plate, a male die mat, a female die mat, a guide sleeve seat, a male die body, a female die core, a female die seat and a lower die insert block. According to the deep drawing die for the compressor rack, the guide sleeve seat enables downward moving of the male die body to be more stable; the deep drawing quality and surface smoothness of a workpiece are improved and the rebound rate is reduced through matching of the lower die insert block, the male die body and the female die core; and in addition, the deep drawing die for the compressor rack has the characteristics of being simple in structure and easy to operate.

The present invention relates to the field of molds, and more particularly to a thermoforming soft mold structure, comprising a mold surface, a mold base, and filler. The thermoforming soft mold structure is characterized in that a cavity is formed in the upper portion of the mold base, filler and a mold surface layer are arranged in the cavity of the mold base from bottom to top, a plurality of cooling water pipes are arranged in the filler, a support structure is provided between any two adjacent cooling water pipes. Compared with the prior art, thermoforming soft mold structure has a cavitywhich is filled with steel balls, and the arrangement of the water pipes can be adjusted in the steel balls. The mold can be opened and the positions of the water pipes can be adjusted on the basis of analysis when the molding quality problem is found. A mold research method is provided to reduce mold debugging time, reduce costs, and reduce development costs and cycles.

A manufacturing method for a bent member of the present invention includes a holding step of holding one end portion of a long steel material having an opening end in a longitudinal direction by a chuck, a feeding step of feeding the steel material in the longitudinal direction with the one end portion as a head after the holding step, a heating step of performing high-frequency induction heating on a portion of the steel material in the longitudinal direction to form a heated portion, a bending step of moving the chuck in a three-dimensional direction to apply a bending moment to the heated portion, and a cooling step of injecting a cooling medium to the heated portion to cool the heated portion after the bending step. When the heating step is started, the chuck is cooled by the cooling medium in a state where a heating amount applied to the one end portion when the heated portion is formed on the one end portion is greater than that of an upstream side adjacent portion adjacent to the upstream side of the one end portion as seen along a feeding direction of the steel material.

The invention discloses a corrugated pipe forming device, relates to the technical field of corrugated pipe forming, and solves the problems that according to an existing corrugated pipe forming device, fixing and mounting of pipelines with different sizes are unstable, deviation and deformation of the pipelines during bending are prone to occurring, and only corrugated pipes with one radial size can be formed generally. The corrugated pipe forming device comprises a bottom plate, a base B is installed on the upper end face of the bottom plate, positioning grooves are formed in the four end corners of the upper end face of the base B, vertical plates are fixedly installed on the two sides of the outer surface of the base B, circular grooves are formed in the middles of the outer surfaces of the vertical plates in a penetrating mode, grooves are formed in the upper end faces and the lower end faces of the inner walls of the circular grooves, and springs are fixedly installed on the inner walls of the grooves. According to the corrugated pipe forming device, a pipeline can be clamped stably, the forming effect is improved, the corrugated pipes with different radial sizes can be formed, cooling is carried out on the corrugated pipes, and the forming efficiency is improved.

The invention relates to a die structure for plate drawing and bulging performance experiments. The die structure comprises an upper die structure, a lower die structure, a force sensor I, a force sensor II and a displacement sensor; the upper die structure comprises an upper die base, a bulging die and a die plate insert; the lower die structure comprises a blank holder, a bottom plate, a bulgingmale die, a drawing male die and a lower die insert; the blank holder and the upper die base can move up and down relatively; the bulging male die extends out of the drawing male die to bulge a plate; the force sensor I is used for outputting bulging force during bulging of the plate in real time; the force sensor II outputs a counter-acting force of the plate to the drawing male die in real timeduring the drawing experiment; the displacement sensor outputs the displacement of the blank holder at the corresponding time; and the maximum height at which cracking does not occur when the plate is subjected to drawing and bulging experiments is obtained according to the time, force and displacement curve. According to the die structure for the plate drawing and bulging performance experiments, bulging and drawing experiments of plates with different plate materials and different plate material thicknesses are realized through one set of die structure, the experiment cost is reduced, and the experiment accuracy and efficiency are improved.

The invention discloses a punching forming clamp. The punching forming clamp comprises a base and a stamping base, a forming base is installed in the middle of the base through a fixing block, guide tubes are arranged on the two sides of the forming base, a stamping rod matched with the forming base is arranged in the middle of the stamping base, guide sleeves matched with the guide tubes are arranged on the stamping base, cutting edges are arranged at the lower end of the stamping base, and edge cavities matched with the cutting edges are formed in the forming base. According to the scheme, as the guide tubes are arranged on the two sides of the forming base, and the guide sleeves matched with the guide tubes are arranged on the stamping base, the guide tubes and the guide sleeves are matched in the machining process and can ensure the stability of the clamp and improve the qualified rate of products; as the cutting edges are arranged at the lower end of the stamping base, and the edge cavities matched with the cutting edges are formed in the forming base, the products formed through machining can be cut, forming and cutting are achieved in one step, the steps in the machining process are reduced, and the production efficiency is improved.