CN216828314U

CN216828314U - Stamping springback control mechanism of stamping part

Info

Publication number: CN216828314U
Application number: CN202122752910.3U
Authority: CN
Inventors: 叶大本; 姜末平; 张勇
Original assignee: Wuhan Hechuang Auto Parts Co ltd
Current assignee: Wuhan Hechuang Auto Parts Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-06-28
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a stamping springback control mechanism of a stamping part, which comprises a supporting table, a stamping die holder and a part body, wherein the stamping die holder is slidably arranged at the top of the supporting table, a die groove is formed in the top surface of the stamping die holder, limiting rails are formed in two side walls of the die groove, the part body is overlapped on the limiting rails and is positioned above the die groove, side fixing strip plates are fixedly connected to two sides of the top of the stamping die holder, and a compression spring is fixedly connected to one side, close to each other, of the two side fixing strip plates. This punching press resilience control mechanism of punching press part, part body undercut takes place deformation in the punching press process, makes its length take place to reduce, and under compression spring's elastic force effect, the interval between two anti-rebound fender takes place to reduce thereupon promptly to keep anti-rebound fender and apply external force clamping part body, thereby has restrained the deformation recovery of part body, improves the fashioned quality of part body.

Description

Stamping springback control mechanism of stamping part

Technical Field

The utility model relates to the technical field of part processing, in particular to a stamping rebound control mechanism of a stamped part.

Background

The stamped parts are always accompanied by elastic deformation while achieving plastic deformation during the bending process. After the bending forming processing is finished, when the stamping load is unloaded, the bent part is taken out to generate elastic recovery, the bending angle and the overall dimension of the bent part are changed in the direction opposite to the deformation direction when the load is applied, the geometric accuracy of the bent part is damaged, the product quality and the production efficiency are reduced, the implementation on a stamping production line is also restricted, the rebound prevention mechanism is inconvenient to operate, and the control accuracy is poor.

Therefore, a stamping springback control mechanism for stamping parts is needed to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a punch springback control mechanism for a punch part, which solves the above problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a punching press resilience control mechanism of punching press part, includes brace table, punching press die holder and part body, punching press die holder slidable mounting is in brace table's top, the die cavity has been seted up to the top surface of punching press die holder, and the both sides wall of die cavity has all seted up the restriction rail, the part body is taken on the restriction rail, and the part body is located the top of die cavity, the lath is decided to the equal fixedly connected with side in both sides at punching press die holder top, and two equal fixedly connected with compression spring in one side that the lath is close to each other is decided to the side, compression spring's the other end fixedly connected with prevents kick-back and keeps off, and two prevent kick-back and keep off the both sides of extruding part body respectively, install the restriction on the lath and prevent kick-back and keep off the mechanism that blocks that resets.

Preferably, stop mechanism includes that the board is pacified on the top, a screw thread section of thick bamboo and screw thread revolve the axle, board fixed connection is pacified on the side on the lath on the top, a screw thread section of thick bamboo rotates to be installed in the bottom of pacifying the board, screw thread revolves axle threaded connection in a screw thread section of thick bamboo, and screw thread revolves axle slidable mounting in a board.

Preferably, the top end of the threaded rotary shaft extends to the upper side of the top mounting plate and is fixedly connected with a pressing disc, a limiting sliding ring is fixedly sleeved at the top of the threaded cylinder, and the limiting sliding ring is rotatably mounted in the top mounting plate.

Preferably, the top surface of supporting bench has been seted up the drive rail, and the drive rail internal rotation installs the aversion lead screw, the screw thread is installed and is linked up the seat on the aversion lead screw, and links up seat slidable mounting in the drive rail, punching press die holder fixed mounting is on linking up the seat, the right side fixed mounting of supporting bench has step motor, and step motor's output fixed connection aversion lead screw.

Preferably, the top of the supporting table is provided with two guide rails which are symmetrically arranged, the two guide rails are internally and fixedly connected with a smooth rod, a stabilizing seat is slidably mounted on the smooth rod, and the stabilizing seat is further slidably mounted in the guide rails and fixedly connected with the top surface of the stabilizing seat and the bottom surface of the stamping die holder.

Preferably, the compression spring is in a compressed state.

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

(1) this stamping springback control mechanism of punching press part, earlier fix a position the part body in the die cavity, the fender that kick-backs of both sides was kept off the part body this moment and is extruded spacingly, carry out the punching press processing to the part body through stamping equipment afterwards, part body undercut takes place deformation in the punching press in-process, make its length take place to reduce, under compression spring's elastic force effect, two interval between the fender that kick-backs promptly take place thereupon to reduce, with keep the fender that kick-backs to exert external force and press from both sides tight part body, thereby the deformation of part body resumes, the fashioned quality of part body is improved.

(2) This punching press resilience control mechanism of punching press part, when part body punching press to the minimum, stamping equipment closes and stops the punching press action, press two simultaneously downwards and press the dish, make the screw thread pivot take place the gliding on the board is installed on the top, the screw thread section of thick bamboo takes place to rotate this moment, make the bottom of screw thread pivot move down to the outside of preventing rebounding and keep off and offset rather than, and then make two screw thread pivots prevent rebounding to keep off one side of keeping away from each other spacing to two, compression spring keeps the fixed length state, thereby make the part body keep the state after the stamping forming, avoid taking place to kick-back and warp.

(3) This stamping springback control mechanism of punching press part can start step motor before the punching press, and step motor drives the aversion lead screw rotation, makes the seat that links up of its upper thread installation take place to remove, links up the seat then and drives the punching press die holder and slide to stamping equipment's below to subsequent punching press task, and after the punching press was finished, step motor reversal makes the seat that links up put aside from stamping equipment's below, so that get after the part body shaping and the location of next part body.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a side sectional view of the die holder of the present invention;

FIG. 3 is a perspective view of a die holder of the present invention;

FIG. 4 is an exploded view of the connection of the threaded cylinder to the threaded spindle of the present invention;

FIG. 5 is a perspective view of a structural support platform of the present invention.

In the figure: 1. a support table; 2. a stamping die holder; 200. a die cavity; 201. a limit rail; 3. a part body; 4. side fixing strip plates; 5. a compression spring; 6. a rebound prevention block; 7. a top mounting plate; 8. a threaded barrel; 9. a threaded rotating shaft; 10. pressing a disc; 11. a limiting slip ring; 12. a drive rail; 13. a shifting screw rod; 14. a linking seat; 15. a stepping motor; 16. a guide rail; 17. sliding the rod; 18. and (4) stabilizing the seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following embodiments:

example one

The utility model provides a punching press resilience control mechanism of punching press part, including brace table 1, punching press die holder 2 and

part body

3, 2 slidable mounting in brace table 1's top of punching press die holder, die cavity 200 has been seted up to punching press die holder 2's top surface, and the both sides wall of die cavity 200 has all seted up restriction rail 201, part body 3 takes on restriction rail 201, and part body 3 is located the top of die cavity 200, lath 4 is decided to the equal fixedly connected with side in both sides at 2 tops of punching press die holder, and the equal fixedly connected with compression spring 5 in one side that lath 4 is close to each other is decided to two sides, compression spring 5's other end fixedly connected with prevents kick-back and keeps off 6 and extrudes the both sides of part body 3 respectively to two, install the restriction on the lath 4 and prevent the mechanism that blocks 6 and reset that kick-backs.

Further, the stop mechanism includes a top mounting plate 7, a thread cylinder 8 and a thread screwing shaft 9, the top mounting plate 7 is fixedly connected to the side fixing plate 4, the thread cylinder 8 is rotatably installed at the bottom of the top mounting plate 7, the thread screwing shaft 9 is in the thread cylinder 8 in a threaded manner, the thread screwing shaft 9 is slidably installed in the top mounting plate 7, the thread screwing shaft 9 in the thread cylinder can be further rotated by rotating the thread cylinder 8, the thread screwing shaft 9 in the thread cylinder can be further screwed to move, and the operation is very flexible.

Further, the top of screw thread spiral shaft 9 extends to the top of a ampere of board 7 and fixedly connected with presses dish 10, and the fixed cover in top of a screw thread section of thick bamboo 8 has spacing sliding ring 11, and spacing sliding ring 11 rotates and installs in a ampere of board 7 in top, and when rotating a screw thread section of thick bamboo 8, spacing sliding ring 11 is at a ampere of board 7 internal rotation in top, not only makes the position of a screw thread section of thick bamboo 8 obtain the restriction, makes the rotation more smooth moreover.

Further, the compression spring 5 is in a compressed state, so that the anti-rebound catch 6 always maintains the clamping force.

The specific implementation manner of this embodiment is: the part body 3 is positioned in the die cavity 200, the anti-rebound baffles 6 on the two sides extrude and limit the part body 3, then the part body 3 is punched through a punching device, the part body 3 is sunken downwards to deform in the punching process, the length of the part body is reduced, and under the elastic force action of a compression spring 5, the distance between the two anti-rebound baffles 6 is reduced, so that the part body 3 is clamped by the anti-rebound baffles 6 under the external force, the deformation recovery of the part body 3 is restrained, and the forming quality of the part body 3 is improved;

When part body 3 punching press when the minimum, stamping equipment closes and stops the punching press action, press two simultaneously downwards and press dish 10, make screw thread spiral shaft 9 take place the gliding on top ann board 7, screw thread section of thick bamboo 8 takes place to rotate this moment, make the bottom of screw thread spiral shaft 9 move down to prevent kick-back and keep off 6 the outside and offset rather than, and then make two screw thread spiral shafts 9 keep spacing to two one sides of preventing kick-back and keeping off 6 and keeping away from each other, compression spring 5 keeps the fixed length state, thereby make part body 3 keep the state after the stamping forming, avoid taking place to kick-back and warp.

Example two

part body

3, 2 slidable mounting of punching press die holder in the top of brace table 1, die cavity 200 has been seted up to the top surface of punching press die holder 2, and the both sides wall of die cavity 200 has all seted up restriction rail 201, part body 3 is taken on restriction rail 201, and part body 3 is located the top of die cavity 200, slat 4 is decided to the equal fixedly connected with side in both sides at 2 tops of punching press die holder, and the equal fixedly connected with compression spring 5 in one side that slat 4 is close to each other is decided to two sides, the other end fixedly connected with of compression spring 5 prevents kick-back and keeps off 6, and two prevent kick-back and keep off 6 both sides of extruding part body 3 respectively, install the restriction on the slat 4 and prevent the stop mechanism that kick-back 6 resets on the side.

The blocking mechanism comprises a top mounting plate 7, a thread cylinder 8 and a thread rotating shaft 9, the top mounting plate 7 is fixedly connected to the side fixing strip plate 4, the thread cylinder 8 is rotatably installed at the bottom of the top mounting plate 7, the thread rotating shaft 9 is in threaded connection with the thread cylinder 8, and the thread rotating shaft 9 is slidably installed in the top mounting plate 7.

The top end of the threaded rotary shaft 9 extends to the upper part of the top mounting plate 7 and is fixedly connected with a pressing disc 10, a limiting sliding ring 11 is fixedly sleeved at the top part of the threaded cylinder 8, and the limiting sliding ring 11 is rotatably installed in the top mounting plate 7.

The compression spring 5 is in a compressed state.

The difference from the first embodiment is that the following contents are also included:

the top surface of the supporting table 1 is provided with a driving rail 12, a shifting screw rod 13 is rotatably installed in the driving rail 12, a connecting seat 14 is installed on the shifting screw rod 13 in a threaded mode, the connecting seat 14 is installed in the driving rail 12 in a sliding mode, the punching die holder 2 is fixedly installed on the connecting seat 14, a stepping motor 15 is fixedly installed on the right side of the supporting table 1, and the output end of the stepping motor 15 is fixedly connected with the shifting screw rod 13.

Further, two guide rails 16 that the symmetry set up are seted up at the top of brace table 1, and equal fixedly connected with is in the same direction as slide bar 17 in two guide rails 16, and slidable mounting has firm seat 18 in the same direction as slide bar 17, firm seat 18 is still slidable mounting in guide rail 16, and the top surface of firm seat 18 and the bottom surface fixed connection of punching press die holder 2, when punching press die holder 2 removed, firm seat 18 slided along guide rail 16 on slide bar 17, the stationarity that makes punching press die holder 2 remove is better, in order to improve the accuracy nature of punching press position.

In this embodiment: can start step motor 15 before the punching press, step motor 15 drives the lead screw 13 that shifts and rotates, makes the linking seat 14 of screw thread installation on it take place to remove, then links up the below that seat 14 drove the punching press die holder 2 and slides to stamping equipment to subsequent punching press task, and after the punching press was finished, step motor 15 reversal makes linking seat 14 remove from stamping equipment's below, so that get behind the shaping of part body 3 a and the location of next part body 3, work efficiency is better.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a punching press resilience control mechanism of punching press part, includes brace table (1), punching press die holder (2) and part body (3), its characterized in that: stamping die holder (2) slidable mounting has been in the top of brace table (1), die cavity (200) have been seted up to the top surface of stamping die holder (2), and the both sides wall of die cavity (200) has all seted up restriction rail (201), part body (3) are taken on restriction rail (201), and part body (3) are located the top of die cavity (200), slat (4) are decided to the equal fixedly connected with side in both sides at stamping die holder (2) top, and two equal fixedly connected with compression spring (5) in one side that the side of deciding slat (4) and being close to each other, the other end fixedly connected with of compression spring (5) prevents rebounding and keeps off (6), and two prevent rebounding and keep off (6) the both sides of extruding part body (3) respectively, the side is decided to install the restriction on slat (4) and is prevented rebounding and is kept off the mechanism that blocks that (6) reset.

2. The punch rebound control mechanism of a punch part as set forth in claim 1, wherein: stop mechanism installs board (7), a screw thread section of thick bamboo (8) and screw thread spiral shaft (9) including the top, board (7) fixed connection is decided on slat (4) in the side to the top, a screw thread section of thick bamboo (8) are rotated and are installed in the bottom of a board (7) on the top, screw thread spiral shaft (9) threaded connection is in a screw thread section of thick bamboo (8), and screw thread spiral shaft (9) slidable mounting is in a board (7) on the top.

3. The punch rebound control mechanism of a punch part as set forth in claim 2, wherein: the top end of the threaded rotary shaft (9) extends to the upper side of the top mounting plate (7) and is fixedly connected with a pressing disc (10), a limiting sliding ring (11) is fixedly sleeved at the top of the threaded cylinder (8), and the limiting sliding ring (11) is rotatably installed in the top mounting plate (7).

4. The punch rebound control mechanism of a punch part as set forth in claim 1, wherein: drive rail (12) have been seted up to the top surface of brace table (1), and drive rail (12) internal rotation installs aversion lead screw (13), screw thread installation links up seat (14) on aversion lead screw (13), and links up seat (14) slidable mounting in drive rail (12), punching press die holder (2) fixed mounting is on linking up seat (14), the right side fixed mounting of brace table (1) has step motor (15), and the output fixed connection of step motor (15) shifts lead screw (13).

5. The punch rebound control mechanism of a punch part as set forth in claim 4, wherein: the top of brace table (1) is seted up guided way (16) that two symmetries set up, and equal fixedly connected with in two guided ways (16) is in the same direction as slide bar (17), and slidable mounting has firm seat (18) in the same direction as on slide bar (17), firm seat (18) still slidable mounting is in guided way (16), and the bottom surface fixed connection of the top surface of firm seat (18) and punching press die holder (2).

6. The punch rebound control mechanism of a punch part as set forth in claim 1, wherein: the compression spring (5) is in a compressed state.