CN215543943U

CN215543943U - Buffering type traceless bending precision die

Info

Publication number: CN215543943U
Application number: CN202122412926.XU
Authority: CN
Inventors: 孙小君; 谢红青
Original assignee: Shenzhen Kaixin Spring Manufacturing Co ltd
Current assignee: Shenzhen Kaixin Spring Manufacturing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-18
Anticipated expiration: 2031-10-08

Abstract

The utility model belongs to the technical field of bending dies and discloses a buffer type traceless bending precision die which comprises a lower die and an upper die, wherein the upper die is positioned above the lower die, a punching bending block is arranged at the bottom of the upper die, a groove is formed in the top end of the lower die, a support piece is arranged at the top of the lower die close to the upper part of the groove, first springs are symmetrically connected to two sides of the bottom of the support piece, limiting grooves are formed in two sides of the inner wall of the groove, limiting blocks are connected to the limiting grooves in a sliding mode, and second springs are fixed to the bottom ends of the limiting blocks. The processing quality is ensured.

Description

Buffering type traceless bending precision die

Technical Field

The utility model belongs to the technical field of bending dies, and particularly relates to a buffer type traceless bending precision die.

Background

The bending mould is a tool for forming and processing sheet materials, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of an article is realized mainly through the change of the physical state of a formed material, and the bending mould is a tool for enabling a blank to be a finished piece with a specific shape and a specific size under the action of the pressure of a bending machine.

In the chinese patent that patent number is CN201920605199.9, a buffering formula does not have trace precision mould of bending is disclosed, the device is through the impact force when setting up the curved piece of spring buffering under two backup pads and pushing down to prevent excessive punching press part damage, reduced the disability rate of part, but at the in-process of in-service use, the backup pad is unstable when buckling, takes place great skew easily and rocks, thereby lead to the part to place unstablely, finally influenced processingquality greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a buffer type traceless bending precision die to solve the problems that a supporting plate proposed in the background art is unstable in bending and easy to deviate and shake.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a buffering formula does not have trace precision mould of bending, includes lower mould and last mould, it is located the top of lower mould to go up the mould, and goes up the bottom of mould and install the punching press bent piece, the recess has been seted up on the top of lower mould, and the top of lower mould is close to the top of recess and install support piece, support piece's bottom bilateral symmetry has first spring, the spacing groove has all been seted up to the inner wall both sides of recess, the inside sliding connection of spacing groove has the stopper, the bottom mounting of stopper has the second spring, the bottom of second spring is connected with the inner wall of spacing groove, it has the bracing piece to articulate between stopper and the support piece.

Preferably, the inside of going up the mould is close to the top of the curved piece of punching press and has been seted up the chamber groove, and has all run through at the both ends of going up the mould and have the guide bar, the bottom of guide bar is connected with the lower mould, the internally mounted of chamber groove has the third spring, the bottom of third spring is connected with the slider, the fixed column is installed to the bottom of slider, the fixed column extends to the outside one end in chamber groove and is connected with the curved piece of punching press.

Preferably, the supporting member comprises a first supporting plate and a second supporting plate, and the first supporting plate and the second supporting plate are connected through a hinge.

Preferably, the bottom of the lower die is provided with a base plate, and the bottom of the base plate is provided with anti-skid convex lines.

Preferably, the two sides of the top end of the groove are rotatably connected with the rollers through rotating shafts, and the surfaces of the rollers are smooth.

Preferably, the inner wall of the limiting groove is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.

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

(1) the supporting rod is additionally arranged, so that the supporting piece can be supported and reinforced, and meanwhile, the limiting block, the limiting groove and the second spring are matched, so that the supporting piece can be further limited and guided when being bent, the supporting piece is effectively prevented from deviating and shaking, the structural stability is greatly improved, and the processing quality is ensured.

(2) According to the utility model, through the matching of the fixed column, the sliding block, the cavity groove and the third spring, the rigid extrusion of the stamping bent block when contacting with a part can be further reduced, so that the surface of the part is effectively prevented from generating creases, and the upper die can be lifted along a straight line through the guide rod, thereby greatly enhancing the stability of the stamping bent block when moving and improving the use effect of the device.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

in the figure: 1. an upper die; 2. a guide bar; 3. a support bar; 4. a lower die; 5. a limiting groove; 6. a first spring; 7. a groove; 8. a second spring; 9. a limiting block; 10. a roller; 11. a support member; 12. punching a bending block; 13. a cavity groove; 14. a third spring; 15. a slider; 16. and (5) fixing the column.

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. 1-3, the present invention provides the following technical solutions: a buffer type traceless bending precision die comprises a lower die 4 and an upper die 1, wherein the upper die 1 is positioned above the lower die 4, a stamping bent block 12 is arranged at the bottom of the upper die 1, a groove 7 is formed in the top end of the lower die 4, a support 11 is arranged at the top of the lower die 4 close to the upper side of the groove 7, first springs 6 are symmetrically connected to two sides of the bottom of the support 11, limiting grooves 5 are formed in two sides of the inner wall of each groove 7, a limiting block 9 is slidably connected inside each limiting groove 5, a second spring 8 is fixed at the bottom end of each limiting block 9, the bottom end of each second spring 8 is connected with the inner wall of each limiting groove 5, a supporting rod 3 is hinged between each limiting block 9 and the support 11, the support 11 can be supported and reinforced by additionally arranging the supporting rod 3, the supporting rod 3 can drive the limiting block 9 to slide in the limiting grooves 5 when the support 11 is bent, and then the limiting block 9 extrudes the second springs 8, thereby can be further carry out spacing guide to support piece 11, effectually prevented that support piece 11 from taking place the skew and rocking, improved the stability of structure greatly, guaranteed processingquality.

Further, a cavity groove 13 is formed in the upper die 1 and above the stamping bent block 12, a guide rod 2 penetrates through two ends of the upper die 1, the bottom end of the guide rod 2 is connected with the lower die 4, a third spring 14 is installed in the cavity groove 13, a slider 15 is connected with the bottom end of the third spring 14, a fixing column 16 is installed at the bottom end of the slider 15, one end of the fixing column 16 extending to the outside of the cavity groove 13 is connected with the stamping bent block 12, when the stamping bent block 12 stamps a part downwards, the stamping bent block 12 can drive the slider 15 to slide in the cavity groove 13 through the fixing column 16, and the third spring 14 is elastically deformed, so that the hard extrusion when the stamping bent block 12 is in contact with the part can be further reduced, the surface of the part is effectively prevented from being folded, meanwhile, the upper die 1 can be lifted along a straight line through the guide rod 2, and the stability when the stamping bent block 12 moves is greatly enhanced, the use effect of the device is improved.

Furthermore, the supporting member 11 includes a first supporting plate and a second supporting plate, and the first supporting plate and the second supporting plate are connected by a hinge, and the first supporting plate and the second supporting plate can rotate along with the set bending direction in the process of punching the die.

Specifically, the bottom of the lower die 4 is provided with a backing plate, the backing plate has a shock-absorbing effect, and the bottom of the backing plate is provided with anti-skid convex lines.

Specifically, the rollers 10 are rotatably connected to both sides of the top end of the groove 7 through the rotating shaft, and the surfaces of the rollers 10 are smooth, so that the friction resistance when the supporting member 11 moves can be reduced through the rollers 10.

Specifically, the inner wall of the limiting groove 5 is provided with a rubber pad, the rubber pad has an anti-skid effect, and the outer wall of the rubber pad is provided with an anti-skid groove.

The working principle and the using process of the utility model are as follows: when the utility model is used, a part can be placed on the supporting piece 11, then the upper die 1 drives the punching bending block 12 to descend, so that the punching bending block 12 pushes down the part, then the supporting piece 11 can be bent and extrude the first spring 6, meanwhile, the punching bending block 12 can drive the sliding block 15 to slide in the cavity groove 13 through the fixed column 16, and the third spring 14 can be elastically deformed, thereby further reducing the hard extrusion when the punching bending block 12 is contacted with the part, further effectively avoiding the crease on the surface of the part, in addition, the supporting rod 3 can drive the stopper 9 to slide in the limiting groove 5, so that the stopper 9 extrudes the second spring 8, thereby carrying out limiting guidance on the supporting piece 11, effectively preventing the supporting piece 11 from excursion and shaking, greatly improving the stability of the structure, ensuring the processing quality, the upper die 1 can be lifted along a straight line through the guide rod 2, thereby greatly enhancing the stability of the punching bending block 12 during moving and improving the use effect of the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buffering formula does not have trace precision mould of bending which characterized in that: including lower mould (4) and last mould (1), it is located the top of lower mould (4) to go up mould (1), and goes up the bottom of mould (1) and install punching press bending block (12), the top of lower mould (4) is seted up flutedly (7), and the top of lower mould (4) is close to recess (7) installs support piece (11), the bottom bilateral symmetry of support piece (11) is connected with first spring (6), spacing groove (5) have all been seted up to the inner wall both sides of recess (7), the inside sliding connection of spacing groove (5) has stopper (9), the bottom mounting of stopper (9) has second spring (8), the bottom of second spring (8) is connected with the inner wall of spacing groove (5), it has bracing piece (3) to articulate between stopper (9) and support piece (11).

2. The buffer type traceless bending precision die as claimed in claim 1, wherein: the utility model discloses a punching die, including last mould (1), the inside of going up mould (1) has been seted up chamber groove (13) near the top of punching press bent piece (12), and has all run through guide bar (2) at the both ends of going up mould (1), the bottom of guide bar (2) is connected with lower mould (4), the internally mounted of chamber groove (13) has third spring (14), the bottom of third spring (14) is connected with slider (15), fixed column (16) are installed to the bottom of slider (15), fixed column (16) extend to the outside one end in chamber groove (13) and are connected with punching press bent piece (12).

3. The buffer type traceless bending precision die as claimed in claim 1, wherein: the supporting piece (11) comprises a first supporting plate and a second supporting plate, and the first supporting plate and the second supporting plate are connected through a hinge.

4. The buffer type traceless bending precision die as claimed in claim 1, wherein: the bottom of the lower die (4) is provided with a base plate, and the bottom of the base plate is provided with anti-skid convex lines.

5. The buffer type traceless bending precision die as claimed in claim 1, wherein: both sides of the top end of the groove (7) are rotatably connected with the rollers (10) through rotating shafts, and the surfaces of the rollers (10) are smooth.

6. The buffer type traceless bending precision die as claimed in claim 1, wherein: the inner wall of the limiting groove (5) is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.