138results about "Positioning apparatus" patented technology

The invention discloses a turnover device for mechanical automatic machining. The turnover device comprises a first support plate and a second support plate, wherein the first support plate corresponds to the second support plate, corresponding through holes are respectively formed in the same high position of the first support plate and the second support plate, bearings are fixedly connected tothe inner walls of the two through holes, two symmetrical fixtures are arranged between the first support plate and the second support plate, one fixture is connected with the first support plate by virtue of an adjusting mechanism, a rotating rod is fixedly connected to the center of one side, which is far from the first support plate, of the other fixture, the rotating rod penetrates through thebearing on the second support plate and is rotatably connected with the second support plate, a mounting plate is fixedly connected to one side, which is far from the first support plate, of the second support plate, a motor is fixedly connected to the top of the mounting plate, and the tail end of an output shaft of the motor is fixedly connected with one end, which is far from the fixture, of the rotating rod by virtue of a coupling. According to the turnover device, the purpose of no deformation when a plate is milled is realized by utilizing the lifting support plates.

The invention discloses a supporting device and a supporting method for machining a propeller blade. The supporting device consists of a base and a vacuum sucker component positioned on the base, wherein the base comprises a bottom vacuum sucker, a chassis, a hydraulic cylinder and a piston rod, the middle of the bottom of the chassis is connected with the bottom vacuum sucker, the middle of the top of the chassis is provided with the hydraulic cylinder, the bottom end of the piston rod extends into the hydraulic cylinder, and the vacuum sucker component comprises a limiting switch, a spring, a support, a mandril, a positioning screw and a top sucker. The propeller blade is analyzed and calculated to determine the area in which the supporting device is positioned. For the propeller blade with the diameter less than 4 meters, supporting points of the supporting device are distributed at five positions of the propeller blade; and for the propeller blade with the diameter more than 4 meters, the supporting points of the supporting device are distributed at seven positions of the propeller blade. According to the invention, supporting can be quickly completed, and the stiffness of the supporting device and a supporting effect of the propeller blade can be improved.

The invention discloses a fixing device for plate processing, comprising a workbench, the bottom of the workbench is provided with outriggers, the bottom of the outriggers is provided with a pressure dividing plate, the top of the workbench is provided with a water platform, and the workbench The top of the workbench is located on the left side of the horizontal platform to be provided with a first frame, the top of the workbench is located on the right side of the horizontal platform to open a chute, and a slide block is slidably connected to the chute, and the right end of the workbench top A hydraulic cylinder is installed, the top of the slider is provided with a second frame, the first frame and the second frame are provided with a sleeve, the inside of the sleeve is provided with an internal thread, and the sleeve The barrel is threadedly connected with a screw rod, the top end of the screw rod is fixedly connected with a turntable, and the bottom end of the screw rod is fixedly connected with a pressing plate. Rotate the screw through the turntable, so that the pressing plate at the end of the screw can press the plate tightly to achieve a fixed effect, effectively prevent loosening during processing, and can adapt to the pressing of plates of different sizes.

The invention discloses a flexible clamp suitable for positioning and clamping complex curved surfaces of parts. The flexible clamp comprises a base frame, edge positioning and supporting devices, universal supports, support brackets and supporting parts in various types, wherein the edge positioning and supporting devices are arranged on base frame guide rails and have the actions of positioning and supporting the edges of the parts; the support brackets are arranged in the base frame and used for mounting the universal supports and adjusting the positions of the universal supports; the universal supports are adjustable in angle and height and can be adapted to supporting the complex curved surfaces of the parts; and the supporting parts are in various types, are arranged on the corresponding universal supports, are in contact with the curved surfaces of the parts and have the actions of positioning and supporting the parts. The flexible clamp is suitable for positioning and clamping the complex curved surfaces of the parts, can replace a special clamp and a special tool, has good adaptation to the parts with the complex curved surfaces and poor rigidity, and thus the special clamp is prevented from being designed and manufactured in the production process. The flexible clamp is higher in flexibility and operability, has a simple structure and is low in cost.

The invention discloses a fourth-axis and fifth-axis clamp. A steel wheel of a first harmonic reduction gear is fixedly installed in a first body. A first servo motor drives a waveform generator of the first harmonic reduction gear. A second body is fixedly connected with a flexible wheel of the first harmonic reduction gear. A steel wheel of a second harmonic reduction gear is fixed into the second body. A second servo motor drives a waveform generator of the second harmonic reduction gear. The axis of the first harmonic reduction gear and the axis of the second harmonic reduction gear are perpendicular to each other. A tool fixture provided with a fixing device used for locating a product is fixed to a flexible wheel of the second harmonic reduction gear. A first motor and a second motor are provided with a first encoder and a second encoder respectively. The first encoder and the second encoder are electrically connected with a controller. The controller controls the first motor and the second motor to work. By means of the fourth-axis and fifth-axis clamp, five-axis machining is achieved, the machining precision is high, various complicated structures can be machined, and the fourth-axis and fifth-axis clamp is suitable for machining high-precision parts and high in machining efficiency.

The present invention provides an electrostatic chuck, which includes a base (102) and an electrode (401, 402) arranged inside the base, the electrostatic chuck further includes a charge releasing unit, the electrode can be selectively connected to a power supply arranged outside the electrostatic chuck or connected to the charge releasing unit in order to connect to the power supply to obtain electric energy during the process and connect to the charge releasing unit to release remaining charges on the electrode and then to remove remaining charges on the work piece held on the electrostatic chuck during the charge releasing process. A method for removing remaining charges on the electrostatic chuck is also provided, and the method can release the remaining charges on the electrode and the wafer more thoroughly and rapidly to eliminate the appearance of wafer adherence and wafer crack, so as to reduce possibility of the interruption of the process and improve the production efficiency and yield.

A member 20 for semiconductor manufacturing equipment includes a base portion 22 and a ceramic member 30 formed on the base portion 22. The ceramic member 30 of the present invention includes a ceramic base 32 containing at least one of magnesium oxide, a magnesium oxide solid solution in which a predetermined component is dissolved in magnesium oxide, and zirconium oxide; and an electrode 34 which is arranged on part of the ceramic base 32 and which contains a ruthenium-aluminum alloy as an electrode component. The ceramic member 30 is a plate-like member and has a structure in which the electrode 34 is embedded therein. The electrode 34 is connected to a feeding member 26 inserted from the underside of the ceramic member 30. Electric power is supplied from the feeding member 26.

The invention discloses a centering mechanism for a clamping device of a cutting machine. An extension bar of a first oil cylinder is hinged with a first connecting bar. A first clamping shoe is fixedly connected with one end of the first connecting bar through a sliding bar, and the other end of the first connecting bar is hinged with one end of a second connecting bar. The other end of the second connecting bar is hinged with one end of a crank. An extension bar of a second oil cylinder is respectively hinged with one end of a third connecting bar and one end of a fourth connecting bar. A second clamping shoe is fixedly connected with the other end of the third connecting bar through the sliding bar. The other end of the fourth connecting bar is hinged with the other end of the crank. A rotating center of the crank is positioned in the center of the crank. The length of the second connecting bar is equal to the length of the fourth connecting bar. In addition, the second connecting bar and the fourth connecting bar are centrosymmetric relative to the rotating center of the crank. The tail parts of the first oil cylinder and the second oil cylinder are respectively hinged with each fixed point of a machine frame. The mechanism is simple and forcefully ensures two oil cylinders in the same pace through mechanical connection, thereby effectively reducing central deviation due to the external deviation of a workpiece clamping part and improving the centering precision during clamping.

The invention belongs to the technical field of gauges, and particularly relates to a cylindrical part bending angle measuring and horizontal and vertical surface drilling jig, which comprises a fixed base, a movable base, a center shaft, slide blocks, studs, press plates, butterfly nuts, linear slide rails, vertical drilling brackets, horizontal drilling brackets, vertical drilling die plates, drilling die press plates, horizontal drilling die plates, vertical quick-change drill sleeves and horizontal quick-change drill sleeves, wherein the fixed base and the movable base are respectively provided with the linear slide rails, two rows of grooves and two rows of convex rails in the length direction, the connecting end of the movable base and the fixed base is provided with an angle dial, the bending angle can be conveniently measured through the angle dial on the bases, the axial position of a cylindrical workpiece can be precisely positioned through the horizontal drilling brackets and the vertical drilling brackets, and the vertical surface and horizontal surface of the bent workpiece can be precisely drilled by the vertical drilling die plates and the horizontal drilling die plates. The jig has the advantages that the operation is easy and convenient, the use range is wide, the cost is low, and the processing precision is high.

A versatile palletized system provides for work to be held in place even while a top plate (7) as one type of workholder web is transferred. Movement can be provided by a coordinated topographically fixed movement web (39) which may have hydraulic pistons or other movement mechanisms (11) which cause actuation of a great variety of workholder devices (8) which may be attached to the workholder web (7). Accurate, repeatable positioning between the two webs can be accomplished for quick changeout and even configuration as a rotatable pallet system where one pallet can be set up while the other is being used.

The invention discloses a special fixed punching device for an aluminum alloy wheel hub of an automobile, which comprises a fixed bottom plate, and support columns are fixedly arranged at both ends of the bottom of the fixed bottom plate, and anti-slip sleeves are fixedly arranged at the lower end of the support column. It relates to the field of hub processing equipment. This special fixed punching device for aluminum alloy wheels of automobiles solves the problems caused by the looseness of the wheels during the existing punching process by placing the wheels to be processed on the lower end of the anti-skid bar and fixing them with the wheel hub fixing device. In the drilling process, the hydraulic telescopic rod stretches up and down to drive the punching device to punch holes, and the fixed spring is used for buffering, which is convenient for fast punching, which solves the problem that the existing punching device takes a long time to work. Low work efficiency, high labor intensity of staff and other problems, the wheel hub that meets the requirements is produced, and the structural design is simple and practical.

The invention discloses a drilling tool for machining automotive transmission parts. The drilling tool comprises a base and a drilling clamp, wherein a stainless steel backing plate and rails are fixed on the upper surface of the base; a sliding frame is arranged above the base and comprises a group of parallel plates and a group of parallel cross beams; bottoms of the plates are positioned on the rails; a longitudinal adjusting hand wheel is arranged on the contact position of the rails and the plates; the wheel disc of the longitudinal adjusting hand wheel is positioned on the outer side of the base; a working table board is arranged on the top of the sliding frame; a part mounting hole is formed in the center of the working table board; the drilling clamp comprises a fixed clamping plate, a movable clamping plate and a clamping air cylinder; and the fixed clamping plate is fixed on the working table board through a bolt. The drilling tool is convenient to operate, high in assurance coefficient, working efficiency and adaptability and unlikely to loosen, improves drilling precision of a machined workpiece, can move front and back as well as left and right, and is flexible and convenient.

A wind turbine tower which includes a number of sections, connected by bolted joints is disclosed. A bolted joint includes at least one connection of the bearing type and at least one connection of the slip resistant at serviceability type. In one aspect, the bearing type connection includes at least one non prestressed bolt and/or the connection of the slip resistant at serviceability type includes at least one prestressed bolt.

An optical fiber holder includes a holder main body and cord receiving groove. The holder main body has a fiber receiving groove and a first cord receiving groove. The fiber receiving groove receives and positions a coated optical fiber of an optical fiber cord with a cord jacket removed at the tip of the optical fiber cord. The cord receiving groove receives the cord jacket. A cord holding cover and a fiber pressing cover 13 are attached to the holder main body 6 for movement between respective open closed positions. The cord holder cover includes a second cord receiving groove that cooperates with the first cord receiving groove to form an insertion through hole having a circular cross-section that allows for insertion of the optical fiber. The fiber pressing cover presses the coated optical fiber against the holder main body with the coated optical fiber in the fiber receiving groove.

The invention discloses an automatic clamping device for a numerically controlled lathe, comprising a mounting seat, the mounting seat is a rectangular hollow structure, and an opening is provided at one end, and a shrinking cylinder is provided at the end of the mounting seat away from the opening. The piston rod of the shrinking cylinder extends through the side wall of the mounting seat to the inner cavity of the mounting seat, and the piston rod of the shrinking cylinder is connected to one end of the first clamping arm and the second clamping arm through a pin rotation, and the first The middle parts of the clamping arm and the second clamping arm are connected on both sides of the opening of the mounting seat through the supporting shaft, the first clamping arm and the second clamping arm are away from one end of the pin shaft, and the side walls close to each other are equidistant from each other Two sets of telescopic support rods are provided, and the other ends of the telescopic support rods are fixedly connected with buffer plates. The invention has the advantages of novel design, simple structure and convenient operation, which can not only avoid leaving marks on the surface of the workpiece during the clamping process, but also improve the clamping force and prevent the workpiece from falling, and is suitable for popularization and use.

The invention provides an internal spline gear pitch circle quick positioning device and a machining method of the internal spline gear pitch circle quick positioning device. The internal spline gear pitch circle quick positioning device comprises a round barrel capable of containing an internal spline gear and a retaining frame, wherein three sections of identical arc notches are evenly distributed in the inner wall of the round barrel, the retaining frame is arranged at the top of the round barrel in a sleeved mode, thee ball clusters which are evenly distributed in the circumferential direction of the retaining frame are flexibly hung at the lower portion of the retaining frame, each ball cluster at least comprises a ball, and the ball clusters are respectively clamped by the three sections of arc notches and corresponding tooth sockets of the internal spline gear. The internal spline gear pitch circle quick positioning device can rapidly align and position a pitch circle of the internal spline gear, then machines an internal spline based on the pitch circle, reduces the deviation between the axis of the tooth profile and the axis of the internal spline caused by heat treatment distortion, improves production efficiency, is simple in structure and is convenient to use.

A frame defines a workpiece-transfer station, a machining station, and a tool station all centered on a common vertical plane. A carousel in the tool station carries a plurality of tools having shanks. A slide movable vertically and horizontally in the plane carries a tool head rotatable about a vertical axis itself having a tool socket adapted to fit shanks of the tools and a workpiece grab. This tool head can move horizontally in the plane to pick up and drop off tools and move workpieces between the transfer and the machining station, and can also move vertically during machining of a workpiece rotating in the machining station.

The invention discloses an auto component tooling fixture which structurally comprises a component positioning buckle, a clamping rubber column, a crank connecting block, a non-slip operating handle,a fixture supporting seat, operating handgrips, a component machining table, a fixture data plate, non-slip supporting legs and an adjustable clamping device. The auto component tooling fixture disclosed by the invention has the beneficial effects that through the mounting of the adjustable clamping device, an auto component can be clamped by controlling the handle, and then the circumstance thatthe hand of an operator is hurt by clamping when a clamping plate is pulled by the operator to open in the working process can be avoided; furthermore, springs can be adjusted, and then the circumstance that the auto component cannot be normally clamped by the auto component tooling fixture because the elasticity is lost after the long-time use of the springs can be avoided; and accordingly, the service life of the auto component tooling fixture can be prolonged.

The invention relates to a use method of a linear cutting and positioning fixture. The use method includes the following steps that firstly, a positioning base is fixedly connected to an operating table through a square groove; secondly, a positioning hole of a workpiece is matched with a positioning screw rod; thirdly, the positioning screw rod is provided with a positioning nut so as to clamp the workpiece; fourthly, linear cutting is carried out on the workpiece through a through hole. The structure is simple, operation is easy and convenient, and machining precision is high.

The invention discloses a quick linkage clamping device, and relates to the technical field of clamping devices. The quick linkage clamping device comprises a base, a first clamping mechanism and a second clamping mechanism, a mounting seat is arranged above the base, side plates are fixed to the two sides of the mounting seat, the first clamping mechanism is mounted on the two sides above the mounting seat, a bearing plate is fixed above the middle of the mounting seat, a soft cushion layer is connected above the bearing plate through adhesives, buffer springs are fixed between the bearing plate and the mounting seat, the second clamping mechanism is mounted above the side plates, a linkage mechanism is arranged in an inner cavity of the mounting seat, and sliding blocks are fixed on thetwo sides below the mounting seat. The quick linkage clamping device has the beneficial effects that the two sides of a clamped object can be conveniently clamped and fixed through the arrangement ofthe first clamping mechanism, the upper portion of the clamped object can be conveniently limited through the arrangement of the second clamping mechanism, and the first clamping mechanism and the second clamping mechanism can be conveniently driven to be used at the same time through the arrangement of the linkage mechanism.

The invention provides a tool magazine, a tool changing mechanism with the tool magazine and a multi-spindle machining center comprising the tool changing mechanism. The tool magazine comprises a toolmagazine mounting bracket, a tool magazine bracket and multiple tool storage bins. The tool magazine mounting bracket is configured to be fixed to a machine tool spindle beam. The tool magazine bracket is mounted on the tool magazine mounting bracket. The tool storage bins are fixed to the tool magazine bracket. Each of the tool storage bins comprises multiple tool storage cavities and is characterized in that the tool storage cavities in each of the tool storage bins are formed into a tool storage cavity matrix; and the tool storage cavities formed in the direction parallel to the machine tool spindle beam form a row of the tool storage cavity matrix, and the number of rows of the tool storage cavity matrixes is larger than 1. The tool magazine has large tool storage capacity, good toolprotection and long maintenance period, the tool changing efficiency of the tool changing mechanism using the tool magazine is high, and the machining efficiency of the machining center is high.

The invention discloses a square hole pulling clamp of an adjustable spanner, comprising a base plate, wherein a mounting cavity is arranged in the middle of the base plate; a mounting seat is arranged in the mounting cavity and is fixed on the base plate through a plurality of bolts; the base plate and the mounting seat are provided with mounting grooves matched with the adjustable spanner; and the mounting seat is respectively provided with a main pull rod and an auxiliary pull rod. The invention has the advantages of convenient clamping and fixing, can improve the processing precision, finish the operation of pulling a square hole by the adjustable spanner, solving the trouble of repeat cutter presetting and improve the processing efficiency.