69results about "Work holders" patented technology

The invention discloses an FPC (Flexible Printed Circuit) laser cutting device, consisting of a laser focus scanning system, a control system and a vacuum platform system. The cutting device of the invention improves the FPC formation accuracy and saves processing time and cost.

The present invention is a substrate holding device including: a transfer arm body having a suction path; a pad body including a suction part having a suction surface and a suction port for holding the substrate by vacuum suction, and a cylindrical attachment part in which a suction hole communicating with the suction port is formed; a pad holding member provided with an insertion hole into which the attachment part of the pad body is loosely insertable and a communication path communicating with the suction hole and the suction path, and fixed to the transfer arm body; and an elastically deformable annular airtightness maintaining member with a circular cross-section interposed between an outer peripheral groove in an arc shape formed in the attachment part of the pad body and an inner peripheral groove in an arc shape formed at the insertion hole of the pad holding member.

The invention discloses a high-pressure sealing nitrogen spring lever clamping device. An oil cylinder end cover is installed at the bottom of an oil cylinder body in a sealing mode, an oil cylinder piston is movably installed in the inner cavity of the oil cylinder body, the position between the inner cavity of the oil cylinder body and the large-end portion of the oil cylinder piston is sealed, the extended end of the oil cylinder piston penetrates through the top of the oil cylinder body to be movably connected with a press arm, the position between the extended end of the oil cylinder piston and the top of the oil cylinder body is sealed, the top of the oil cylinder body is movably connected with one end of a connecting rod, the other end of the connecting rod is movably connected with the press arm, and an oil inlet channel is arranged at the top of the oil cylinder body. A nitrogen spring full of nitrogen in the inside is arranged between the large-end portion of the oil cylinder piston and the oil cylinder end cover. The high-pressure sealing nitrogen spring lever clamping device utilizes the high-pressure sealed nitrogen spring to perform propulsion, clamps a workpiece through a hinge mechanism, does not need a power source, achieves pressure maintaining and clamping through the nitrogen spring, is high in stability, free of pollution and large in clamping stroke, saves energy, can adjust the clamping height and is driven to lift the press arm through oil pressure when the workpiece is loosened.

The invention discloses an automobile processing part clamping device with the good fixing performance. The part clamping device comprises a mounting base. Fixed lug seats are welded to the two ends of the two sides of the mounting base. Fixing bolts are connected to the outer walls of the tops of the fixed lug seats through threads. Bearing blocks are connected to the outer walls of the two sidesof the top of the mounting base through bolts. A horizontal lead screw is rotatably connected to the inner walls of the two bearing blocks. A second sliding block is connected to the peripheral wallof the lead screw through threads. The outer wall of the top of the second sliding block is connected with a hydraulic cylinder through bolts. The outer wall of the top of the hydraulic cylinder is connected with a mounting block through bolts. The outer wall of one side of the mounting block is connected with a servo motor through bolts. According to the part clamping device, a stepping motor isstarted, two first sliding blocks are driven to move to the middle to clamp a part through a first thread and a second thread with the opposite thread directions on the lead screw; the first sliding blocks are provided with magnets so that the part can be clamped more stably.

A suction device is provided, including a suction unit, a fixing unit, a press unit and a linkage positioning unit. The fixing unit is located on top of the suction unit. The press unit is restricted between the area close to circumference of the fixing unit and the top surface of the suction unit. The linkage positioning unit is fixed to above the fixing unit and performs linked movement with the pulling element of the suction unit. When the fixing unit tilts partially by the exerted force of a hanging object, the press unit can still press tightly against the area close to the circumference of the suction unit to maintain a strong suction hold and improve the suction durability.

The invention discloses a pipe fitting clamping device. The pipe fitting clamping device comprises a magnetic ring, a sensor, a tensioning motor, a main controller, a motor driver, a core shaft, an expansion block mounting seat, an expansion block mechanism, a tension spring, a rack, a lead screw, a first switch and a second switch; a body of the tensioning motor and the expansion block mounting seat are fixedly connected to the rack, and an output shaft of the tensioning motor is in transmission connection with the lead screw; the core shaft is slidably connected to the expansion block mounting seat, and the lead screw and the core shaft are in threaded connection; the expansion block mechanism comprises a plurality of radial sliding blocks and a plurality of expansion blocks, the radialsliding blocks are slidably connected into sliding grooves of the expansion block mounting seat, and the conical faces of the radial sliding blocks are matched with a cone part of the core shaft; themagnetic ring is fixedly connected to the output shaft of the tensioning motor; the sensor is fixedly connected to the body of the tensioning motor; the sensor, the motor driver, the first switch andthe second switch are all electrically connected with the main controller; and the tensioning motor is electrically connected with the motor driver. The pipe fitting clamping device can automaticallyclamp a steel pipe, and clamping force can be automatically controlled.

The invention discloses a supporting and adsorbing jig for a PCB, which comprises a rectangular base, and is characterized in that a plurality of ejector pins capable of penetrating the rectangular base are arranged on the rectangular base; a movable board is connected to the bottoms of the ejector pins; the bottom of the movable board is connected with the cylinder rod of a cylinder; three adsorbing nozzles are arranged on the movable board; through holes are formed in the rectangular base in corresponding positions; the adsorbing nozzles can penetrate the through holes; the lengths of the adsorbing nozzles are shorter than those of the ejector pins; the adsorb nozzles are connected with a vacuum generator through pipelines. The conventional supporting and adsorbing jig for the PCB only can arrange the PCB in one height position, and the vertical position of the PCB cannot be adjusted, so that the application range is greatly limited; when the PCB is supported by the conventional supporting and adsorbing jig, the PCB can move during a machining process, so that the machining precision of the PCB is greatly impacted. The supporting and adsorbing jig provided by the invention has the advantages that the problems of the conventional supporting and adsorbing jig are solved; the structure is simple; the supporting height can be adjusted; the right position of the PCB can be kept.

The invention relates to a fixing device for detecting fabric freezing resistance and an application method thereof. The fixing device is composed of a fabric fixing spring plate, an angle adjusting fixed rod and a double-groove water collecting box. An inner steel frame in the fabric fixing spring plate is used for fixing fabric. When the angle adjusting fixed rod is adjusted to be at 45 degrees, a water spray test can be simulated by spraying water vertically from top to bottom, and the surface moisture resistance of the fabric can be detected in a semi-quantitative mode according to the state of water drops on the fabric; when the angle adjusting fixed rod is adjusted to be at 90 degrees, a hydrostatic pressure test can be simulated by spraying water horizontally from left to right, and the water permeability resistance of the fabric can be detected in a semi-quantitative mode according to the water flux. The fixed rod can be adjusted according to needed angles, different parts of a human body and the worn fabric in different states can be simulated, the water spray test is conduced under a low-temperature environment, and the freezing resistance of the fabric can be detected in a semi-quantitative mode according to the freezing time and the weight of ice blocks. The fixing device is convenient to carry after being folded, easy to use and applicable to detecting fabric freezing resistance.

The invention discloses a rapid moving four-direction fixture which comprises a clamp body, screw rods I, a chuck and hand spikes, wherein the clamp body is in a round disc shape and is provided with dovetail slots which are mutually vertical, and a dovetail angle is alpha; the lower end of each of vertical plates is in a dovetail shape matched with the dovetail slot, the vertical plate can move along the dovetail slot, and the screw rods I are symmetrically arranged on the vertical plates in pairs; the chuck is arranged on the opposite one ends of the screw rods I, and the hand spikes are arranged at the other ends of the screw rods; a support plate is arranged below the clamp body and is provided with a screw rod II which is vertical to the clamp body, a chuck is arranged at the upper end of the screw rod II, and a hand spike is arranged at the lower end of the screw rod II. The rapid moving four-direction fixture can be conveniently fixed on the edge of a work table, when needing to be clamped in four directions, a workpiece can be placed in the middle of the clamp body, the vertical plates are moved in the four directions, the chucks are close to the workpiece, then the screw rods I are rotated, so as to clamp the workpiece, therefore, the operation time is saved and the working efficiency is improved.

The invention relates to a bolt fatigue test clamping device and a centering tool thereof. The centering tool of the bolt fatigue test clamping device comprises a polished rod section, a left arc-shaped positioning sheet and a right arc-shaped positioning sheet, wherein the axis of the polished rod section extends in the up-and-down direction and is inserted into a to-be-tested bolt when being used, and the left arc-shaped positioning sheet and the right arc-shaped positioning sheet are correspondingly arranged between the hole walls of a screw puncture hole in an upper clamp; the left arc-shaped positioning sheet and the right arc-shaped positioning have inner circumference arc faces and outer circumference arc faces, the diameter of the inner circumference arc faces is coincident with the outer diameter of the polished rod section, and the diameter of the outer circumference arc faces is coincident with the hole diameter of the screw puncture hole. The centering device capable of guaranteeing coaxiality of the bolt and the screw puncture hole in the upper clamp and the bolt fatigue test clamping device with the centering device are provided.

The invention relates to a tool for machining a rocker arm fork entry. A rocker arm part is provided with a rotary shaft hole, and the tool comprises a mounting plate, a positioning block, two positioning adjusting bolts, a fixing block, a fixing bolt, a positioning shaft and a fastening nut. The positioning block is provided with two threaded holes, and the fixing block is provided with a threaded hole. The positioning adjusting bolts are matched with the two threaded holes of the positioning block correspondingly, and the fixing bolt is matched with the threaded hole of the fixing block. Thepositioning shaft is fixed to the mounting plate, the upper portion of the positioning shaft is provided with an external thread, and the lower portion of the positioning shaft is provided with a polished rod. The fastening nut is matched with the external thread of the positioning shaft. According to the tool, operation is easy, the structure is simple, implementing is convenient, and the working efficiency is high.

The invention discloses an auxiliary positioning device and method for a primary side blocking plate disassembling and assembling robot and relates to the technical field of nuclear power station automatic overhauling. The auxiliary positioning device of the primary side blocking plate disassembling and assembling robot comprises a base, a rotary table, a guide rail, a sliding base, an angle adjusting piece and a distance measuring assembly; and the distance measuring assembly is rotationally connected to the upper end of the sliding base through the angle adjusting piece and can rotate on a vertical plane. The invention discloses the positioning method for the primary side blocking plate disassembling and assembling robot, which is applied to the auxiliary positioning device for the primary side blocking plate disassembling and assembling robot. According to the device and the method, the working position of the primary side blocking plate disassembling and assembling robot during blocking plate operation can be conveniently, rapidly and accurately calibrated, the primary side blocking plate disassembling and assembling robot performs blocking plate operation at the working position to obtain a relatively large movement range and operation space, the operation difficulty of the primary side blocking plate disassembling and assembling is effectively reduced, and the universality of the primary side blocking plate disassembling and assembling robot is improved.

The invention discloses an adjustable clamp for gear precision detection. The adjustable clamp for the gear precision detection comprises a mounting plate, a motor and bolts; an electric telescopic rod is mounted in the mounting plate; the outer ends of the electric telescopic rod are connected with a moving plate; the motor is mounted on the left side of the moving plate; the output end of the motor is connected with a rotating rod; a first positioning plate is mounted on the outer side of the rotating rod; the right side of the first positioning plate is provided with a second positioning plate; the inner sides of the first positioning plate and the second positioning plate are both connected with rotating shafts; and the outer sides of the rotating shafts are provided with adjusting plates. According to the adjustable clamp for the gear precision detection, the adjusting plates are arranged on the outer sides of the first positioning plate and the second positioning plate, a rotating disc is controlled to rotate, the rotating shafts can be controlled to rotate through a gear body in engaged connection, the adjusting plates are driven to rotate, angles of the adjusting plates indifferent directions are adjusted at the same time, gears are fixed, the gears with different sizes can be fixed through the design, and the practicability of the clamp is improved.

The invention discloses a manual quick clamp which comprises a clamp body, wherein the clamp body comprises a base and lateral plates arranged at the two ends of the base, a rotary shaft is installed at the center of the base, positioning and clamping plates are arranged on the two sides of the base respectively and can slide along the base, a spring is arranged on each positioning and clamping plate, a threaded hole is formed in each lateral plate, a fastening screw used for positioning the corresponding spring is installed in each threaded hole, cams are arranged at the positions, corresponding to the positioning and clamping plates, of the rotary shaft, a handle is installed at the outer end of the rotary shaft, a cover plate is installed above the base and located between the two lateral plates, and multiple drill bushings used for machining parts are arranged on the cover plate and the base correspondingly. By the adoption of the manual quick clamp, quick clamping of the parts in the machining process is realized, the probability of deformation of the parts is reduced through the synchronous pressing on the two sides, part machining accuracy is guaranteed, labor intensity of workers is relieved, and part machining efficiency is improved.

The invention discloses a rapid clamping mechanism for metal machining. The rapid clamping mechanism comprises a work platform. A PLC is mounted on one side of the work platform. A first groove is formed on the work platform. Cavities are formed on the two sides of the first groove, and a third groove is formed at the bottom end in the first groove. A motor is mounted in the third groove. An output shaft of the motor is connected with a rotating shaft through a coupling. The upper end of the rotating shaft is connected with a base. A hydraulic cylinder is mounted in each cavity. A first baffleis fixedly connected to the upper end of a piston rod in one set of hydraulic cylinder, and a mounting seat is fixedly connected to the upper end of a piston rod in the other set of hydraulic cylinder. An air cylinder is mounted on the upper surface of the mounting seat, and one end of a piston rod in the air cylinder is connected with a stainless steel plate. According to the rapid clamping mechanism, rapid clamping work on workpieces is facilitated, and multi-directional machining work on metal can be achieved conveniently.

The invention discloses a switch cabinet rapid assembly fixture. The switch cabinet rapid assembly fixture comprises a strip-type guide rail, bearing strip plates, hydraulic push rods, supporting square blocks, T-shaped sliding grooves, long bolts, T-shaped sliding blocks, first motors, first U-shaped plates, second U-shaped plates, second motors, first pneumatic push rods, electric push rods, a cross-shaped plate, a cross-shaped sliding hole, first clamping plates, strip-type steel plates, an I-shaped supporting plate, conveying belts, U-shaped strip frames, second pneumatic push rods, bearings, round rods, strip-type penetrating holes, second clamping plates, pulling plates, bearing seats, horizontal plates, micro motors, gears, circular tubes and threaded rods. The switch cabinet rapidassembly fixture has reasonable design, corresponding framework of a switch cabinet is erected conveniently in a three-dimensional distributed mode, the inconvenience of placing and distributing of switch cabinet framework plates during assembling is overcome, the switch cabinet rapid assembly fixture has the function of orderly and correctly assembling the switch cabinet framework plates used forseamed edge interconnection, facilitates performing rapid bolted connection or welding by an operator, and is suitable for rapid assembling of switch cabinet frameworks with different specifications,and the working efficiency is improved.

The invention discloses an improved positioning fixture for automobile parts. The improved positioning fixture comprises a base, on which at least one first positioning part and a second positioning part. Each first positioning part comprises a first driver and a push block. Each first driver is used for pushing each push block to position one side of a workpiece. The second positioning part comprises a second driver, a sliding support rod and an included angle positioning block. The second driver is arranged on the base and used for driving the sliding support rod to move towards the workpiece. The included angle positioning block is connected to the top of the sliding support rod through a connecting rod. The included angle positioning block faces the downwardly-slanting direction and isclamped at the upper top corner on the other side of the workpiece. The improved positioning fixture for automobile parts can be suitable for positioning of different types of parts. Additionally, the improved positioning fixture is high in positioning precision and good in stability.

The invention relates to an aluminum alloy short tube clamping device tight to clamp and small in abrasion and relates to the related technical field of aluminum alloys. The aluminum alloy short tubeclamping device comprises a base. Air cylinders penetrating and stretching to the inner side of the base are fixedly connected to two sides of the top of the base, fixed blocks are fixedly connected to the inner sides of the air cylinders, uniformly distributed springs I are fixedly connected to the inner top walls of the fixed blocks, and piston blocks I are fixedly connected to the inner sides of the springs I. According to the aluminum alloy short tube clamping device tight to clamp and small in abrasion, as an air bag I and an air bag II are matched in use, in a holding process, the air bag I and the air bag II can swell differently as the diameters of the short tubes are different, so that the air bag I is in contact with the outer side of the short tube and the air bag II is in contact with the inner side of the short tube. When a turbid liquid is hardened, an effect of clamping the inner and outer sides of the short tube can be achieved, so that an effect that the aluminum alloyshort tube clamping device can be suitable for clamping short tubes of different diameters is achieved, the clamping range is enlarged and the production cost is saved.

The invention relates to the field of production line assembly, in particular to an assembly clamp used in an intelligent automatic production line. The assembly clamp used in the intelligent automatic production line comprises a mounting table, a hydraulic cylinder mounting cavity is formed in the mounting table, a hydraulic cylinder is arranged in the hydraulic cylinder mounting cavity, a fixingplate placement cavity is formed in the upper portion of the hydraulic cylinder mounting cavity, a fixing plate is arranged in the fixing plate placement cavity, and four second strip-shaped throughholes are formed in the fixing plate; a movable part placement cavity is formed above the fixed plate placement cavity, a second ball nut seat is arranged in the movable part placement cavity, each side of the second ball nut seat is provided with a second rotating rod, each second rotating rod is provided with a third strip-shaped through hole, a second screw rod is arranged in the moving part placement cavity, and sixth motors are arranged on the two sides of the mounting table; fourth strip-shaped through holes are formed in the upper surface of the mounting table; and third supporting rodsare arranged between the second strip-shaped through holes, the third strip-shaped through holes and the fourth strip-shaped through holes. According to the assembly clamp, the application range is enlarged, daily production is facilitated, and the production efficiency is improved.

The invention provides a tubular blank placement frame for a sintering furnace. A supporting frame is mounted in a gap between a frame body and a supporting barrel; an aluminum plate is arranged on aninner wall of the supporting barrel in a laminating manner; a plurality of air vents are uniformly distributed on the aluminum plate, the supporting barrel and an arc-shaped plate. The tubular blankplacement frame for the sintering furnace, provided by the invention, has the following advantages that the temperature cycle is good, a whole body of a blank is uniformly sintered and the performanceof a product is ensured.

The invention relates to a process support for flow mixing of an engine assembly line. The process support comprises a first support and a second support, the bottom of the first support is positioned and fixed on an external line body tray through a first base, the upper end of the first support is a cantilever structure extending inwards, and the tail end of the cantilever structure is provided with a first support connecting plate. The end face of the first support connecting plate is provided with a threaded sleeve and a connecting bolt which are connected with the air inlet side of an engine. The bottom of the second support is positioned and fixed to the external line body tray through a second base, the upper end of the second support is of a cantilever structure extending inwards, a second support connecting plate is arranged at the tail end of the cantilever structure, and a threaded sleeve and a connecting bolt which are connected with the exhaust side of the engine are arranged on the end face of the second support connecting plate. Through the connection bolts on the corresponding support connection plates on the first support and the second support and the combination of the process supports at different heights and on different sides, efficient multi-model engine mixed line production is achieved.

The invention relates to the related field of pressure regulating valves, and discloses a detection device for automatically fixing a pressure regulating valve. The detection device comprises a detection box, the detection box is internally provided with an exhaust cavity with a rightward opening, the upper side of the exhaust cavity is provided with a centrifugal cavity, the right side of the centrifugal cavity is communicated with a push plate cavity, and the upper side of the push plate cavity is communicated with a detection block cavity. A threaded lead screw shaft extending leftwards into the left end wall of the detection block cavity and extending rightwards to the outside is connected into the right end wall of the detection block cavity in a rotating fit mode, a pressure push plate moves rightwards to make contact with a pressure sliding block in an abutting mode to send a marking magnetic block, and therefore the detection result of the pressure regulating valve block is marked. The air pressure transmission block pushes the pressure regulating valve block to abut against the sealing induction coil to ensure the sealing performance, so that the detection result is more accurate, and meanwhile, the valve body detection block is driven to move left and right by rotating the setting knob, and thus the detection standard intervals of different types of pressure regulating valve blocks are adjusted, and the universality of detection is improved.

The invention discloses a clamp for detecting educt of a sealing strip, which comprises a bolt (1), a bottom plate (2), a sleeve cylinder (3), a cover plate (4) and a nut (5); the upper part of the bolt (1) is orderly provided with the bottom plate (2), the sleeve cylinder (3), the cover plate (4) and the nut (5); the bolt (1) crosses through the center of the bottom plate (2) and the cover plate(4). The clamp for detecting educt of the sealing strip is featured by simple structure, practicality and convenience, firm fixation, uniform stress, high detection accuracy, and others.

The invention discloses a cap type stringer integral positioning device which comprises an overturning frame, overturning shafts are arranged at the two ends of the overturning frame respectively, a plurality of cross beams are arranged in the overturning frame, and the bottoms of the cross beams are connected with positioning clamping plate assemblies through connecting plates and clamping plate connecting pieces. The positioning clamping plate assembly comprises a clamping plate body, clamping devices and guiders, clamping positioning grooves with the number consistent with that of the cap-shaped stringers are formed in the clamping plate body along the arc-shaped bottom edge, and the clamping devices and the guiders with the number consistent with that of the cap-shaped stringers are arranged on the clamping plate body. According to the cap-shaped stringer integral positioning device, the combination efficiency and the positioning precision of the cap-shaped stringer and the skin are improved, and by means of the device and the method, the cap-shaped stringer can be integrated on the cap-shaped stringer integral positioning device firstly; through overturning of the overturning positioning frame, the whole device for loading the cap-shaped stringer and a skin mold are integrally and accurately combined at a time by utilizing a travelling crane, and the cap-shaped stringer can be integrally shaped, clamped, overturned and accurately positioned and assembled on the skin.