CN208800653U - A kind of bending die - Google Patents
A kind of bending die Download PDFInfo
- Publication number
- CN208800653U CN208800653U CN201821159110.2U CN201821159110U CN208800653U CN 208800653 U CN208800653 U CN 208800653U CN 201821159110 U CN201821159110 U CN 201821159110U CN 208800653 U CN208800653 U CN 208800653U
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- China
- Prior art keywords
- punch
- cavity plate
- fixed
- pin
- die
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Abstract
The utility model relates to a kind of bending dies, comprising: punch-pin, the fixed device of punch-pin, the fixed device of combined die, only plays element and guiding device at the cavity plate of the corresponding two sides for being distributed in punch-pin.The bending die of the utility model controls the spring back angle after curved workpieces forming using element is only played, only bullet element is placed in the surface in cavity plate horizontal operation portion Yu the second circular arc work department transition link position simultaneously, it can guarantee that curved workpieces are once-forming in forming process, avoiding curved workpieces after forming needs the defect for repeatedly correcting debugging；Adjusting gasket is provided between the fixed device of the cavity plate and combined die of the utility model, it can be in the case where not integral replacing mold, it can be formed, not only reduce costs, but also existing mold is farthest utilized for the different shape angles of bool again；The utility model not only reduces the overall weight of mold, and convenient and efficient during installation and removal using the fixed device of knockdown cavity plate.
Description
Technical field
The utility model belongs to metal forming manufacture field, is related to a kind of novel die for processing bool and same kind of parts
Structure, more specifically, being related to a kind of bending die.
Background technique
Crooked part be Modern Industry Products, automobile, electric appliance, in instrument and tool manufacture the most punching parts of quantity it
One.Crooked part is processed using bending die, and existing bending die includes the punch-pin and cavity plate of steel, punch-pin
The downlink under the drive of press machine, workpiece are completed brake forming under the collective effect of punch-pin and cavity plate, are carried out using bending die
When brake forming, play-plastic deformation is generated in the fillet area of bool, bool after leaving bending die, restore by flexible deformation,
So that bool generates rebound.
" Practical Punch Parts technical manual " (TG38-62, Beijing；China Machine Press, 2001.3) inner to describe several biographies
The control method of system, such as the method that compensates of amendment punch angle, i.e., made on punch-pin gradient equal to springback angle into
Row compensation is exactly equal to required angle after springing back workpiece；The method for for another example carrying out circular arc compensation to bottom plane, will be convex
Mould and backing-out punch make circular arc camber, and bottom surface rebound flattens after compacting, and side angle is driven to be compensated；Also take flanging
Molding method of drawing process etc..As long as above method debugging is proper, qualified products can be all obtained.But these methods can not one
Secondary property just obtains qualified product, carries out circular arc benefit using the method that amendment punch angle compensates and using to bottom plane
The method repaid, it is sometimes necessary to which debugging repeatedly, and debugging process or involves modification to complementary area, relatively time-consuming.It adopts
With drawing process, structure is relative complex, and cannot guarantee that the angle of side is qualified, it is still necessary to further shaping.
Summary of the invention
In consideration of it, the purpose of the utility model is to provide a kind of once-forming bending dies, it is intended to overcome conventional bending
It needs repeatedly to carry out debugging and modified defect to workpiece because bool generates rebound when mould processes bool.
In order to reach above-mentioned purpose of utility model, the technical solution taken is as follows:
A kind of bending die, comprising:
One punch-pin, its underpart have the first circular arc work department；
One cavity plate, the corresponding two sides for being distributed in the punch-pin, wherein the work department of the cavity plate include horizontal operation portion and
Second circular arc work department, and the horizontal operation portion is connect with the second circular arc work department transition, meanwhile, second circular arc
Work department matches the bending part for shaping curved workpieces with the first circular arc work department；
One punch-pin fixes device, including punch retainer, the punch retainer are fixedly connected with the punch-pin；
One combined die fixes device, mutually fixes with the cavity plate, for limiting the movement of the cavity plate horizontal direction；
One only plays element, corresponds to the two sides for being distributed in the punch-pin and is fixed on the punch retainer, while should be only
It plays element and is also located at the horizontal operation portion of the cavity plate and the surface of the second circular arc work department transition link position, the only bullet
Element matches the straight portion for shaping curved workpieces with the horizontal operation portion of the cavity plate and the fixed device of cavity plate；With
And
One guiding device is connected with the fixed device of the punch-pin, for carrying out to movement in the punch-pin forming process
Guiding.
Preferably, the fixed device of the combined die includes die block, support plate, snap-gauge and snap-gauge cushion block, institute
It states die block mutually to fix with the cavity plate, the snap-gauge cushion block is mutually fixed with the snap-gauge, and the support plate is located at described
Snap-gauge cushion block, the top of combined die fixed plate and the top of fixation and the support plate and the top of the snap-gauge are a water
Plane.
More preferably, the top of the snap-gauge is further fixed on a limit plate, for limiting the processing length of curved workpieces.
Preferably, adjusting gasket is provided between the cavity plate and the fixed device of the combined die, for bending
The bending angle of workpiece is finely adjusted.
Preferably, the fixed device of the punch-pin further includes a upper die holder, above and below the upper die holder and the punch retainer
It is fixed.
More preferably, the guiding device includes guide pillars and bushes, and the top of the guide post is provided with guide sleeve, and the guide post with
The upper die holder is mutually fixed.
Preferably, the bending die further includes a lower die holder, the lower die holder and the combined die fix device or more
It is fixed.
More preferably, the lower die holder is mutually fixed with the guide post.
The utility model has the beneficial effects that the bending die of the utility model controls curved workpieces forming using element is only played
Spring back angle afterwards, while cavity plate horizontal operation portion and the second circular arc work department transition link position are being placed in just for element is only played
Top, it is ensured that curved workpieces are once-forming in forming process, and avoiding curved workpieces after forming needs repeatedly to correct debugging
Defect；Be provided with adjusting gasket between the fixed device of the cavity plate and combined die of the utility model, can it is not whole more
It in the case where mold exchange, and can be formed, not only reduce costs, but also farthest for the different shape angles of bool
Existing mold is utilized；The utility model not only reduces the overall weight of mold using the fixed device of knockdown cavity plate,
And it is convenient and efficient during installation and removal；The utility model additionally uses snap-gauge and snap-gauge cushion block, passes through snap-gauge and card
The structure type of board spacer can limit cavity plate movement in the horizontal direction in forming process；The utility model is also on snap-gauge
It is provided with limit plate, for the length of limit flexion workpiece.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is a kind of structural schematic diagram of bending die of the utility model；
Fig. 2 is the top view of structure shown in Fig. 1.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
As shown in Figs. 1-2, a kind of bending die, comprising: the fixed device 300 of punch-pin 100, cavity plate 200, punch-pin, combined type are recessed
Mould fixes device 400, only plays element 500 and guiding device 600.
Wherein, the punch-pin 100, its underpart have the first circular arc work department 101；First circular arc work department 101 with it is recessed
The work department of mould is used to shape the bending part of bool.
Cavity plate 200, the corresponding left and right sides for being distributed in the punch-pin 100.Wherein, the work department of the cavity plate 200 includes
Horizontal operation portion 201 and the second circular arc work department 202, and the horizontal operation portion 201 and 202 mistake of the second circular arc work department
Connection is crossed, meanwhile, the second circular arc work department 202 is matched with the first circular arc work department 101 for shaping bending work
The bending part of part.In the present embodiment, cavity plate 200 can also be designed to knockdown, i.e., horizontal operation portion 201 is one whole
Body, the second circular arc work department 202 are another entirety, and two combinations are fixed together.
Punch-pin involved in the present embodiment fixes device 300, including punch retainer 301 and upper die holder 302, the punch-pin
Fixed plate 301 is fixedly connected with the punch-pin 100；The upper die holder 302 and about 301 punch retainer are fixed.
Combined die involved in the present embodiment fixes device 400, fixes with 200 phase of cavity plate, for limiting
State the movement of 200 horizontal direction of cavity plate.Wherein, the fixed device 400 of the combined die includes die block 401, support
Plate 402, snap-gauge 403 and snap-gauge cushion block 404, the die block 401 are fixed with 400 phase of cavity plate, the snap-gauge cushion block
404 fix with 403 phase of snap-gauge, the support plate 402 be located at the snap-gauge cushion block 404, die block 401 top simultaneously
The top of the fixed and described support plate 402 and the top of the snap-gauge 403 are a horizontal plane, and in the upper of its snap-gauge 403
Portion is further fixed on a limit plate 405, for limiting the processing length of curved workpieces.The utility model is solid using knockdown cavity plate
Determine device, not only reduces the overall weight of mold, and convenient and efficient during installation and removal.
Element 500 is only played involved in the present embodiment, corresponds to the two sides for being distributed in the punch-pin 100 and is fixed on described convex
In mould fixed plate 301, while it should only play horizontal operation portion 201 and the work of the second circular arc that element 500 is also located at the cavity plate 200
The surface of 202 transition link position of portion, it is described only to play element 500 and the horizontal operation portion 201 of the cavity plate 200 and combine
The fixed device 400 of formula cavity plate matches the straight portion for shaping curved workpieces；The bending die of the utility model is using only bullet
Element controls and reduces the spring back angle after curved workpieces forming, eliminates rebound stress, at the same will only play element be placed in it is recessed
The surface in mould horizontal operation portion and the second circular arc work department transition link position, it is ensured that curved workpieces are one in forming process
Secondary forming, avoiding curved workpieces after forming needs the defect for repeatedly correcting debugging.
Guiding device 600 involved in the present embodiment is connected, for described convex with the fixed device 300 of the punch-pin
It moves and is oriented in 100 forming process of mould.Wherein, the guiding device 600 includes guide post 601 and guide sleeve 602, the guide post
601 top is provided with guide sleeve 602, and the guide post 601 is fixed with 302 phase of upper die holder.In addition, the bending die further includes
Lower die holder 700, fixed about 400 device of the lower die holder 700 and the combined die is fixed, meanwhile, the lower die holder 700 with
601 phase of guide post is fixed.
In the above-described embodiments, the bending die of the utility model is in the cavity plate 200 and the fixed dress of the combined die
It sets and is provided with adjusting gasket 406 between 400, be finely adjusted for the bending angle to curved workpieces.It in this way can be not whole
It in the case where more mold exchange, and can be formed, not only reduce costs, but also utmostly for the different shape angles of bool
Existing mold is utilized in ground.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of bending die characterized by comprising
One punch-pin, its underpart have the first circular arc work department；
One cavity plate, the corresponding two sides for being distributed in the punch-pin, wherein the work department of the cavity plate includes horizontal operation portion and second
Circular arc work department, and the horizontal operation portion is connect with the second circular arc work department transition, meanwhile, the second circular arc work
Portion matches the bending part for shaping curved workpieces with the first circular arc work department；
One punch-pin fixes device, including punch retainer, the punch retainer are fixedly connected with the punch-pin；
One combined die fixes device, mutually fixes with the cavity plate, for limiting the movement of the cavity plate horizontal direction；
One only plays element, corresponds to the two sides for being distributed in the punch-pin and is fixed on the punch retainer, while should stop bullet member
Part is also located at the horizontal operation portion of the cavity plate and the surface of the second circular arc work department transition link position, described only to play element
The straight portion for shaping curved workpieces is matched with the horizontal operation portion of the cavity plate and the fixed device of combined die；
And
One guiding device is connected with the fixed device of the punch-pin, for being oriented to moving in the punch-pin forming process.
2. a kind of bending die according to claim 1, which is characterized in that the fixed device of the combined die includes cavity plate
Fixed plate, support plate, snap-gauge and snap-gauge cushion block, the die block are mutually fixed with the cavity plate, the snap-gauge cushion block and institute
It states snap-gauge mutually to fix, the support plate is located at the snap-gauge cushion block, the top of die block and fixation and the support plate
Top and the top of the snap-gauge are a horizontal plane.
3. a kind of bending die according to claim 2, which is characterized in that the top of the snap-gauge is further fixed on a limit
Plate, for limiting the processing length of curved workpieces.
4. a kind of bending die according to claim 1, which is characterized in that the cavity plate and the fixed dress of the combined die
It is provided with adjusting gasket between setting, is finely adjusted for the bending angle to curved workpieces.
5. a kind of bending die according to claim 1, which is characterized in that the fixed device of the punch-pin further includes a upper mold
Seat, the upper die holder and the punch retainer are fixed up and down.
6. a kind of bending die according to claim 5, which is characterized in that the guiding device includes guide pillars and bushes, institute
The top for stating guide post is provided with guide sleeve, and the guide post is mutually fixed with the upper die holder.
7. a kind of bending die according to claim 6, which is characterized in that the bending die further includes a lower die holder, under this
Die holder and the fixed device of the combined die are fixed up and down.
8. a kind of bending die according to claim 7, which is characterized in that the lower die holder is mutually fixed with the guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821159110.2U CN208800653U (en) | 2018-07-21 | 2018-07-21 | A kind of bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821159110.2U CN208800653U (en) | 2018-07-21 | 2018-07-21 | A kind of bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208800653U true CN208800653U (en) | 2019-04-30 |
Family
ID=66230749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821159110.2U Withdrawn - After Issue CN208800653U (en) | 2018-07-21 | 2018-07-21 | A kind of bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208800653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580701A (en) * | 2018-07-21 | 2018-09-28 | 杨晓东 | a kind of bending die |
-
2018
- 2018-07-21 CN CN201821159110.2U patent/CN208800653U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580701A (en) * | 2018-07-21 | 2018-09-28 | 杨晓东 | a kind of bending die |
| CN108580701B (en) * | 2018-07-21 | 2020-09-01 | 杨晓东 | Bending die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190430 Effective date of abandoning: 20200901 |
|
| AV01 | Patent right actively abandoned |