CN211330998U

CN211330998U - Anti-rebound bending structure

Info

Publication number: CN211330998U
Application number: CN201921935887.8U
Authority: CN
Inventors: 杨国强; 黄炎林; 张尧
Original assignee: Dongguan Winstech Jingji Hardware Products Co ltd
Current assignee: Mingke Jingji Holding Co., Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-25
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a prevent bending structures of bounce back, including lower shaping public and last shaping public, the public one end upside of lower shaping is installed and is pressed the material piece, go up the public whole L shape that sets to that sets into of shaping, and lower shaping public, press the material piece and go up the shaping public between be formed with the right angle seam of bending, the width of right angle seam R angle department is nine ten minutes of waiting to bend product material thickness, and the right angle seam department of bending is provided with tight nip, go up shaping public one side and install the backup block, go up and install the antifriction plate between shaping public and the backup block, go up shaping public one end and install the spring, and spring one end installs the punching press head, the utility model discloses prevent bending structures of bounce back can compensate traditional bending structures's not enough, overcomes the product bounce back, reduces pincers worker compound die time, and bend the product qualification rate height.

Description

Anti-rebound bending structure

Technical Field

The utility model relates to the technical field of mold, specifically a prevent bending structures of bounce.

Background

And (3) a bending machine die, wherein the English language is press brake tool. The bending machine is used for forming and processing the plate, the tool is composed of various parts, and different dies 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 a tool for forming the blank into a product with a specific shape and size under the pressure of the bending machine. The bending machine die comprises an upper die and a lower die of a bending machine and is used for stamping and separating a plate. The forming mold has a cavity and the separating mold has a cutting edge.

The product after current mould of bending is bending, and R angle and end can be owing to produce moulding deformation bending, therefore the product department of bending and end can the attenuation, and the production stress and the shaping of product self moulding deformation are just not laminated, and the resilience of production is very big, and is unstable moreover for the qualification rate of bending is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent bending structure of bounce-back to solve the current mould of bending the product after bending, can be owing to produce moulding the deformation at R angle of bending and end, consequently the product department of bending and end can the attenuation, the production stress and the shaping of product self moulding deformation are public not laminating, and the resilience of production is very big, and is unstable moreover, makes the lower problem of the qualification rate of bending.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent bending structures of bounce-back, includes that lower shaping is public and last shaping is public, the public one end upside of lower shaping is installed and is pressed the material piece, go up the public whole L shape that sets to that sets up of shaping, and lower shaping is public, press the material piece and go up the shaping and be formed with the right angle seam of bending between public, the width of right angle seam R angle department of bending is less than and treats product material thickness of bending, and is the nine ten minutes of treating product material thickness of bending, and the right angle seam of bending department of bending is provided with tight nip, it installs the backup block to go up shaping public one side.

Preferably, a wear plate is mounted between the upper forming male and the rest block.

Preferably, the spring is installed to the public one end of last shaping, and spring one end installs the punching press head.

Preferably, the R angle of the right-angle bending seam is 85-90% of the thickness of a product to be packaged.

Preferably, the width of a right-angle bending seam at the bending tail end of a product to be bent between the lower forming male part and the upper forming male part is 90% -95% of the thickness of a bent piece.

Preferably, the upper forming element can be drawn out up and down relative to the lower forming element, the material pressing block and the wear-resisting plate.

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

1. the utility model discloses a width of right angle bending seam R angle department is nine ten minutes of waiting to bend product material thickness, and the right angle bending seam department of bending is provided with tight nip for tight nip can sticis the department of bending, prevents to bend the R angle because produce moulding deformation make product and end can the attenuation lead to the phenomenon that the rebound appears in one end, can compensate traditional bending structure's not enough, overcomes the product bounce-back, reduces pincers worker compound die time, and the product percent of pass of bending is high.

2. The utility model discloses a lower shaping is public and go up the width of the right angle bending seam between the shaping is 90% ~ 95% of the thickness material thickness of the piece of bending, can hug closely the setting to the sheet metal component one end of bending, prevents to bend the end and can lead to the phenomenon that the one end appears rebounding owing to produce moulding the deformation and make product and end meeting attenuation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings (arrow direction is the correct lifting bar insertion direction):

fig. 1 is a schematic view of the overall installation structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

fig. 4 is the structural schematic diagram of the rebound phenomenon after the forming of the front end of the common bending piece of the utility model.

In the figure: 1. forming a male die; 2. pressing blocks; 3. forming a male mold; 4. a wear plate; 5. a backup block; 6. a spring; 7. a right-angle bending seam; 8. a nip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, an anti-rebound bending structure includes a lower forming core 1 and an upper forming core 3, a material pressing block 2 is installed on an upper side of one end of the lower forming core 1, the upper forming core 3 is integrally set in an L shape, a right-angle bending seam 7 is formed between the lower forming core 1, the material pressing block 2 and the upper forming core 3, a width of a corner R of the right-angle bending seam 7 is smaller than a thickness of a product to be bent and is nine tenths of the thickness of the product to be bent, a pressing area 8 is disposed at the bending position of the right-angle bending seam 7, so that the pressing area can press the corner R to prevent the product and the end from being thinned due to plastic deformation to cause a rebound phenomenon at one end of the product, a backup block 5 is installed on one side of the upper forming core 3, a wear-resistant plate 4 is installed between the upper forming core 3 and the backup block 5, a spring 6 is, and the punching press head is installed to 6 one ends of spring for providing the punching press power of bending, the R angle of right angle bending seam 7 is 85 ~ 90% of wanting a packet of product material thickness, the width of waiting to bend the terminal right angle bending seam 7 of product bending between lower shaping public 1 and the last shaping public 3 is 90% ~ 95% of the thickness material thickness of the piece of bending, can prevent effectively that the end of bending of the piece from can be owing to produce moulding deformation make product and terminal can the attenuation lead to one end the phenomenon that the bounce appears on shaping public 3 can be for lower shaping public 1, press material piece 2 and antifriction plate 4 to take out from top to bottom, pull out, be convenient for remove and go up shaping public 3 and carry out the punching press processing of bending.

The utility model discloses a theory of operation and use flow: the product to be bent is inserted into the right-angle bending seam 7, one end of the product to be bent extends into one side of the wear-resisting plate 4, the upper forming core 3 is installed on one side of the stamping head through the spring 6, the stamping head drives the upper forming core 3 to move and stamp for bending, the width of the R corner of the right-angle bending seam 7 is nine ten times of the thickness of the product to be bent, a tight pressing area can tightly press the R corner of the bending, the phenomenon that one end of the product and the tail end of the product are thinned due to the fact that the R corner of the bending is deformed in a shaping mode to cause rebounding is avoided, the width of the right-angle bending seam 7 between the lower forming core 1 and the upper forming core 3 is 90% -95% of the thickness of a bending piece, the rebounding phenomenon that one end of the product and the tail end are thinned due to the fact that the shaping deformation is generated at the tail end of, the die closing time of a bench worker is reduced, and the qualified rate of the bent product is high.

Finally, it should be noted that: 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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent bending structure of bounce-back, includes that lower shaping is public (1) and last shaping is public (3), its characterized in that: lower shaping public (1) one end upside is installed and is pressed material piece (2), go up shaping public (3) whole set to the L shape, and lower shaping public (1), press material piece (2) and go up and be formed with right angle bending seam (7) between shaping public (3), the width of right angle bending seam (7) R angle department is less than and treats bending product material thickness, and is the ten minutes nine of treating bending product material thickness, go up shaping public (3) one side and install and lean on piece (5).

2. An anti-bounce bending structure according to claim 1, wherein: and a wear-resisting plate (4) is arranged between the upper forming male (3) and the leaning block (5).

3. An anti-bounce bending structure according to claim 1, wherein: go up public (3) one end of shaping and install spring (6), and spring (6) one end installs the punching press head.

4. An anti-bounce bending structure according to claim 1, wherein: the R angle of the right-angle bending seam (7) is 85-90% of the thickness of a product to be packaged.

5. An anti-bounce bending structure according to claim 1, wherein: the width of a right-angle bending seam (7) at the bending tail end of a product to be bent between the lower forming male die (1) and the upper forming male die (3) is 90% -95% of the thickness of a bent piece.

6. An anti-bounce bending structure according to claim 1, wherein: the upper forming male die (3) can be pulled out up and down relative to the lower forming male die (1), the material pressing block (2) and the wear-resisting plate (4).