CN217595528U

CN217595528U - Device for cold extrusion processing of gearbox gear

Info

Publication number: CN217595528U
Application number: CN202220177828.4U
Authority: CN
Inventors: 黄雁勇
Original assignee: Mianyang Zhonglian Machine Manufacturing Co ltd
Current assignee: Mianyang Zhonglian Machine Manufacturing Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-10-18
Anticipated expiration: 2032-01-21

Abstract

The utility model provides a device for cold extrusion processing of a gearbox gear, which comprises a table body and an installation box; the utility model discloses a set up the pneumatic cylinder that sets up the installation case, including the stage body, the lower terminal surface symmetry of installation case is equipped with a plurality of bracing pieces, the lower terminal surface of bracing piece with the up end fixed connection of stage body, the up end of stage body is equipped with the sliding tray, sliding connection has the mould board in the sliding tray, the up end symmetry of mould board is equipped with the mould groove, the up end sliding connection of mould board have with the promotion piece that the mould groove corresponds, promote the lower terminal surface of piece install with the shaping piece that the mould groove is mutually supported, the bottom surface symmetry of installation case is equipped with the mounting groove of inside concave yield, be equipped with in the mounting groove with the pneumatic cylinder that promotes the piece and correspond. The utility model discloses, through setting up sliding connection's mould board and mould groove and shaping piece integrative with the mould board, do benefit to and dismantle the maintenance to can hoisting device's life.

Description

Device for cold extrusion processing of gearbox gear

Technical Field

The utility model relates to a technical field of machine part processing specifically is a device is used in cold extrusion processing of gearbox gear.

Background

Cold extrusion is a process in which a metal blank is placed in a cold extrusion die cavity and pressure is applied to the blank by a male die fixed on a press machine at room temperature to plastically deform the metal blank to produce a part. China can carry out cold extrusion on metals such as lead, tin, aluminum, copper, zinc and alloy thereof, low-carbon steel, medium-carbon steel, tool steel, low-alloy steel, stainless steel and the like, and even can carry out cold extrusion on bearing steel, high-carbon high-aluminum alloy tool steel, high-speed steel and the like with a certain deformation. In the aspect of extrusion equipment, china has the capability of designing and manufacturing extrusion presses with various levels of tonnage. Besides adopting a general mechanical press, a hydraulic press and a cold extrusion force, the cold extrusion production is also successfully carried out by adopting a friction press and high-speed high-energy equipment.

For example, the patent that application number is 201920453957.X, comprises a workbench, the up end middle part of workstation is equipped with the die, first recess has been seted up to the upper end of workstation, the first motor of fixedly connected with in the first recess, the first threaded rod of the terminal fixedly connected with of output shaft of first motor, first nut has been cup jointed to the screw thread on the first threaded rod, the up end fixedly connected with bracing piece of first recess is kept away from to the workstation, the bracing piece sets up about die central symmetry with first threaded rod, sliding connection has the connecting rod on the bracing piece. This design utilizes mechanical structure to carry out emollient and adds the operation, treats the extrusion metal and cools down lubricated, prevents that its high temperature from taking place excessive deformation, utilizes the lubrication action of emollient simultaneously for the extrusion rapid prototyping of gearbox gear has improved production efficiency, has avoided the manual danger that adds the emollient of workman.

In the related art described above, the inventors have considered that maintenance of the mold is required after a long time of processing, but the mold of the processing apparatus in the related art is disadvantageous in maintenance.

SUMMERY OF THE UTILITY MODEL

In order to improve the maintenance problem, the utility model provides a device is used in cold extrusion of gearbox gear.

The following technical scheme is adopted:

a device for cold extrusion processing of a gear of a gearbox comprises a table body and an installation box; the utility model discloses a set up the pneumatic cylinder that sets up the installation case, including the stage body, the lower terminal surface symmetry of installation case is equipped with a plurality of bracing pieces, the lower terminal surface of bracing piece with the up end fixed connection of stage body, the up end of stage body is equipped with the sliding tray, sliding connection has the mould board in the sliding tray, the up end symmetry of mould board is equipped with the mould groove, the up end sliding connection of mould board have with the promotion piece that the mould groove corresponds, promote the lower terminal surface of piece install with the shaping piece that the mould groove is mutually supported, the bottom surface symmetry of installation case is equipped with the mounting groove of inside concave yield, be equipped with in the mounting groove with the pneumatic cylinder that promotes the piece and correspond.

Adopt above-mentioned technical scheme, through setting up sliding connection's mould board and mould groove and the shaping piece integrative with the mould board, do benefit to and dismantle the maintenance to can hoisting device's life.

Preferably, the following components: the mould inslot sliding connection has the board that resets, the lower terminal surface of the board that resets installs first spring, the other end of first spring with the bottom surface fixed connection in mould groove.

Adopt above-mentioned technical scheme, through setting up the board and the first spring that reset, can push through the first spring after extrusion and reset the board, release the mould groove with fashioned work piece to conveniently take.

Preferably: the lower terminal surface symmetry that promotes the piece is equipped with the guide bar, the up end of mould board be equipped with the guide bar corresponds and the spout of mutually supporting, the second spring is installed to the lower terminal surface of guide bar, the other end of second spring with the bottom surface fixed connection of spout.

Adopt above-mentioned technical scheme, through setting up second spring, guide bar cooperation spout, do benefit to and promote the piece and slide to can break away from the up end that promotes the piece at the output of pneumatic cylinder after, will promote the piece through the second spring and reset, thereby make the shaping piece break away from the mould groove.

Preferably: the die plate is characterized in that mounting holes which are recessed inwards are symmetrically formed in the left wall and the right wall of the sliding groove, positioning pins are connected in the mounting holes in a sliding mode, and positioning holes which are matched with the positioning pins are symmetrically formed in the left end and the right end of the die plate.

By adopting the technical scheme, the die plate can be positioned and installed after being arranged in the sliding groove by the positioning pin matched with the positioning hole, so that the output end of the hydraulic cylinder is perpendicular to the pushing block.

Preferably: the inner wall of the sliding groove is provided with limiting teeth, and the outer wall of the positioning pin is provided with a limiting ring matched with the limiting teeth.

By adopting the technical scheme, the limiting teeth are matched with the limiting ring, so that the positioning pin can be prevented from falling into the sliding groove in the mounting hole and falling off.

Preferably: through holes are symmetrically formed in the left end and the right end of the table body, the through holes are symmetrically formed and are respectively communicated with the mounting holes, screw rods are arranged in the through holes, and the screw rods are connected with the through holes through threads.

By adopting the technical scheme, the screw rod, the through hole and the screw rod are connected through threads, the screw rod can be rotated to push the positioning pin, and the positioning pin is clamped into the positioning hole.

Preferably: the outer wall of the positioning pin is provided with a third spring, and two ends of the third spring are fixedly connected with the limiting ring and the limiting teeth respectively.

By adopting the technical scheme, the positioning pin can be pushed back into the positioning hole through the third spring by arranging the third spring, so that the mold plate is unlocked, and the mold plate is convenient to detach.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the die plate in sliding connection, the die groove and the forming block which are integrated with the die plate are arranged, so that the disassembly and maintenance are facilitated, and the service life of the device can be prolonged;

2. through the arrangement of the reset plate and the first spring, after extrusion forming, the first spring pushes the reset plate to push a formed workpiece out of the die groove, so that the workpiece is convenient to take;

3. through locating pin cooperation locating hole, can make the mould board location installation after packing into the sliding tray with the mould board to the output that enables the pneumatic cylinder with promote a piece mutually perpendicular.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the area a of the present invention;

fig. 4 is an enlarged view of the region b of the present invention.

In the figure: 1. a table body; 11. a sliding groove; 111. mounting holes; 1111. a limit tooth; 112. positioning pins; 1121. a limiting ring; 1122. a third spring; 12. a through hole; 121. a screw rod; 2. installing a box; 21. a support bar; 22. mounting grooves; 23. a hydraulic cylinder; 3. a mold plate; 31. a mold slot; 311. a reset plate; 312. a first spring; 32. a pushing block; 321. a guide rod; 322. a second spring; 33. forming a block; 34. a chute; 35. and (7) positioning the holes.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, and on the contrary, these embodiments are provided so as to make the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the embodiment of the utility model discloses a device for cold extrusion processing of a gearbox gear, please refer to the attached drawings 1-4, comprising a table body 1 and an installation box 2; the lower terminal surface symmetry of install bin 2 is equipped with a plurality of bracing pieces 21, the lower terminal surface of bracing piece 21 with the up end fixed connection of stage body 1, the up end of stage body 1 is equipped with sliding tray 11, sliding tray 11 sliding connection has mould board 3, the up end symmetry of mould board 3 is equipped with mould groove 31, the up end sliding connection of mould board 3 have with the promotion piece 32 that mould groove 31 corresponds, promote the lower terminal surface of piece 32 install with mould groove 31 is mutually supported becomes piece 33, the bottom surface symmetry of install bin 2 is equipped with the mounting groove 22 of inside concave yield, be equipped with in the mounting groove 22 with promote the pneumatic cylinder 23 that piece 32 corresponds.

Please refer to fig. 2-4 for emphasis: sliding connection has reset plate 311 in mould groove 31, first spring 312 is installed to reset plate 311's lower terminal surface, the other end of first spring 312 with mould groove 31's bottom surface fixed connection, the lower terminal surface symmetry that promotes piece 32 is equipped with guide bar 321, the up end of mould board 3 be equipped with guide bar 321 corresponds and the spout 34 of mutually supporting, second spring 322 is installed to the lower terminal surface of guide bar 321, the other end of second spring 322 with the bottom surface fixed connection of spout 34, the left and right sides two wall symmetry of sliding tray 11 is equipped with inward recessed mounting hole 111, sliding connection has locating pin 112 in the mounting hole 111, the left and right sides both ends symmetry of mould board 3 be equipped with locating hole 35 that locating pin 112 mutually supported, the inner wall of sliding tray 11 is equipped with spacing tooth 1111, the outer wall of locating pin 112 be equipped with the spacing ring 1121 that spacing tooth mutually supported, the left and right sides both ends symmetry of stage body 1 are equipped with through-hole 12, the symmetry sets up through-hole 12 respectively with the mounting hole 111 intercommunication that the symmetry set up, be equipped with lead screw 1111 with screw thread connection through-screw 12, locating pin 1122 and third spring through-screw 1111, locating pin 1122 and third spring through-screw connection.

The embodiment of the utility model provides a device for cold extrusion processing of gearbox gear's implementation principle does:

when machining is needed, a workpiece is placed on the upper end face of the reset plate 311, further, the hydraulic cylinder 23 is started to push the pushing block 32, the pushing block 32 pushes the sliding rod, the sliding rod slides in the sliding groove 34, the sliding rod extrudes the second spring 322, the pushing block 32 pushes the forming block 33, the forming block 33 contacts with the workpiece to push the workpiece downwards, the workpiece pushes the reset plate 311 to move downwards, the reset plate 311 extrudes the first spring 312, after the workpiece enters the die groove 31, cold extrusion is completed, further, the hydraulic cylinder 23 is closed, the output end of the hydraulic cylinder 23 resets, meanwhile, the second spring 322 resets the pushing block 32, the first spring 312 resets the reset plate 311, the workpiece is lifted upwards, the workpiece is separated from the die groove 31, further, the workpiece is taken out, and the operations are repeated until the workpiece is completely machined.

Example two:

when the die plate 3 needs to be replaced or maintained, the screw rod 121 is rotated counterclockwise, so that the screw rod 121 moves towards the outside of the through hole 12, the screw rod 121 is separated from the positioning pin 112, meanwhile, the third spring 1122 resets to push the limiting ring 1121, the limiting ring 1121 slides in the mounting hole 111 and drives the positioning pin 112 to separate from the positioning hole 35, after the positioning pin 112 separates from the positioning hole 35, the die plate 3 is taken out of the sliding groove 11, further, a tool is used for maintaining parts on the die plate 3 or replacing the die plate 3, when installation is needed, the die plate 3 is installed in the sliding groove 11, further, the positioning hole 35 is aligned to the mounting hole 111, further, the screw rod 121 is rotated clockwise, so that the screw rod 121 moves towards the mounting hole 111, the screw rod 121 pushes the positioning pin 112, the positioning pin 112 enters the positioning hole 35, meanwhile, the limiting ring 1121 extrudes the third spring 1122, and after the positioning pin 112 is clamped into the positioning hole 35, installation is completed.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a device is used in cold extrusion of gearbox gear which characterized in that: comprises a table body (1) and an installation box (2);

the lower terminal surface symmetry of install bin (2) is equipped with a plurality of bracing pieces (21), the lower terminal surface of bracing piece (21) with the up end fixed connection of stage body (1), the up end of stage body (1) is equipped with sliding tray (11), sliding tray (11) sliding connection has mould board (3), the up end symmetry of mould board (3) is equipped with mould groove (31), the up end sliding connection of mould board (3) have with mould groove (31) correspond promote piece (32), promote the lower terminal surface of piece (32) install with mould groove (31) the shaping piece (33) of mutually supporting, the bottom surface symmetry of install bin (2) is equipped with mounting groove (22) of inside concave yield, be equipped with in mounting groove (22) with promote pneumatic cylinder (23) that piece (32) correspond.

2. The apparatus of claim 1, wherein the apparatus further comprises: the mould groove (31) is internally and slidably connected with a reset plate (311), a first spring (312) is installed on the lower end face of the reset plate (311), and the other end of the first spring (312) is fixedly connected with the bottom face of the mould groove (31).

3. The apparatus of claim 1, wherein the apparatus further comprises: promote the lower terminal surface symmetry of piece (32) and be equipped with guide bar (321), the up end of mould board (3) be equipped with guide bar (321) correspond and spout (34) of mutually supporting, second spring (322) are installed to the lower terminal surface of guide bar (321), the other end of second spring (322) with the bottom surface fixed connection of spout (34).

4. The apparatus of claim 1, wherein the apparatus further comprises: the left wall and the right wall of the sliding groove (11) are symmetrically provided with mounting holes (111) which are recessed inwards, the mounting holes (111) are connected with positioning pins (112) in a sliding mode, and the left end and the right end of the die plate (3) are symmetrically provided with positioning holes (35) which are matched with the positioning pins (112) mutually.

5. The apparatus of claim 4, wherein the apparatus further comprises: the inner wall of the sliding groove (11) is provided with limiting teeth (1111), and the outer wall of the positioning pin (112) is provided with limiting rings (1121) matched with the limiting teeth (1111).

6. The apparatus of claim 4, wherein the apparatus further comprises: through holes (12) are symmetrically formed in the left end and the right end of the table body (1), the through holes (12) are symmetrically formed and are communicated with the mounting holes (111) respectively, screw rods (121) are arranged in the through holes (12), and the screw rods (121) are connected with the through holes (12) through threads.

7. The apparatus of claim 5, wherein the apparatus further comprises: the outer wall of the positioning pin (112) is provided with a third spring (1122), and two ends of the third spring (1122) are fixedly connected with the limiting ring (1121) and the limiting teeth (1111) respectively.