CN202984465U - Bending and stamping die - Google Patents
Bending and stamping die Download PDFInfo
- Publication number
- CN202984465U CN202984465U CN 201220729648 CN201220729648U CN202984465U CN 202984465 U CN202984465 U CN 202984465U CN 201220729648 CN201220729648 CN 201220729648 CN 201220729648 U CN201220729648 U CN 201220729648U CN 202984465 U CN202984465 U CN 202984465U
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Abstract
The utility model relates to a bending and stamping die which comprises an upper die holder and a stripper plate backing plate. A fixed plate backing plate and a fixed plate are arranged below the upper die holder from top to bottom, the fixed plate is provided with a first vertical hole, a first spring is arranged in the vertical hole, a second vertical hole coaxial with the first vertical hole is arranged on the stripper plate backing plate, the other end of the first spring is arranged in the second vertical hole, a stripper plate and a first female die are sequentially arranged below a stripper plate, the first female die is mounted in the lower die holder, a vertical punch hole and a horizontal second spring are arranged on the fixed plate, a bending punch is slidably mounted in the punch hole, the tail of the bending punch is abutted to the second spring, a lower die holder is provided with a second female die and a third female die, the third female die is far away from the first female die, an inclined surface is arranged between the second female die and the third female die, one surface of the second female die facing the first female die is a vertical surface, and the third female die is mounted on the lower die holder through bolts. The bending and stamping die has the advantages that lateral slip of a product in the stamping process can be avoided, and product quality is ensured.
Description
Technical field
The utility model belongs to the metallic plate punching field shaping technique, particularly relates to a kind of bend punching die.
Background technology
Brake forming is technique commonly used in diel, and accurate auto parts and components or parts that crucial dimensional requirement arranged have very high requirement for the angle of brake forming.The assurance of bending angle is mainly with the performance of material own, and the factors such as crooked punch die R angle and bending gap are relevant.Due to material property, the big or small grade in R angle is chosen in the standard that a cover comparatively perfect is arranged in die industry and stablizes.The precision of bending angle is mainly that adjustment by the bending gap guarantees in actual production process.In order to obtain better material ductility and intensity, usually adopting hot rolled steel plate is raw material in auto parts and components production, due to the impact of the factors such as processing technology, has certain margin of tolerance and poor on the lower side according to the different hot rolled steel plates of material thickness.So during brake forming, the bending gap is not a constant numerical value, for the adjustment of mould has caused trouble and unstability.
Existing bending structure is the process structure that adopts the holding pad binder to carry out brake forming.Wherein: 1 is upper bolster, and 2 is the fixed head backing plate, and 3 is fixed head, and 4 is Bending punch, and 5 is the first spring, and 6 is the stripper backing plate, and 7 is stripper, and 8 is bolt, and 9 is raw material, and 10 is the first die
During bending, patrix descends along with the lathe slide block and moves down, and when stripper 7 and die 10 kill raw material 9, slide block continues to descend.Bending punch 4 continues to move down with fixed head 3, and when slide block arrived bottom dead centre, mould was opened shelves and closed extremely, and (as shown in Figure 2) completed in bending.Slider of punch rises, and under the effect of spring 5, Bending punch 4 moves up with fixed head 3, and when slide block arrival top dead-centre, mould is got back to die opening state (as shown in Figure 1).
The bending structure commonly used of introducing from above can know, Bending punch 4 and die 9 are all fixed.And the position of die is relevant with the bending position of product requirement, can't change, so only have by Bending punch 4 is adjusted the position, just can obtain meeting the bending gap of Product Precision requirement.
The method in tradition bending structure adjustment bending gap as shown in Figure 3.By to Bending punch A, grinding and the welding on B two sides reach the purpose that Bending punch moves left and right, thereby realize the adjustment to bending gap Z.
Due to the existence of material thickness tolerance, traditional structure can produce following problem when adjusting the bending gap:
(1) need to repeatedly grind and weld Bending punch, affect Bending punch intensity and service life.
(2) repeatedly revise Bending punch and reduced operating efficiency, improved labour intensity
(3) Bending punch is in controlled state all the time, can't obtain drift size accurately, is unfavorable for the unification of drawing and actual size, for mould maintenance and maintenance in the future makes troubles.
Summary of the invention
The utility model provides a kind of upper die forming punching head for solving the technical problem that exists in known technology, and this upper die forming punching head can be avoided the lateral sliding of product in punching course, thereby guarantees product quality.
a kind of bend punching die, comprise upper bolster, the below of upper bolster is provided with fixed head backing plate and fixed head from top to bottom, fixed head is provided with the first vertical hole, vertically be provided with the first spring in the hole, also include the stripper backing plate, the stripper backing plate is provided with the second vertical hole, the second vertical hole and the first coaxial setting in vertical hole, the other end of the first spring arranges in the second vertical hole, also be provided with successively stripper and the first die below stripper, the first die is arranged in die shoe, also be provided with vertical bore of the punch on fixed head, be slidably fitted with vertical Bending punch in bore of the punch,
It is characterized in that: the second spring that also is provided with level in fixed head, one end of the second spring is against the afterbody of Bending punch, die shoe is provided with the second die and the 3rd die at the offside of the first die, the 3rd die than the second die further from the first die, be connected by an inclined surface friction between the second die and the 3rd die, the second die is vertical plane towards the one side of the first die, and the 3rd die is arranged on die shoe by securing member.
The utility model can also be by the following technical solutions:
Preferably, the direction of motion angle of described inclined plane and Bending punch is 2～5 °.
Further preferred, the direction of motion angle of described inclined plane and Bending punch is 3 °.
The bottom of described the 3rd die is provided with at least one and adjusts pad.
Advantage and the good effect that the utlity model has are:
Because the utility model adopts technique scheme, adjust the height of the 3rd die by the pad quantity of change die, because the joint face between the 3rd die and the second die tilts, and then had influence on distance between the second die and the first die, thereby realized the adjustment to the second die.Save the time, improved operating efficiency, reduced labour intensity, improve the service life of Bending punch, owing to need not grinding and welding Bending punch, guaranteed the stability of the size of Bending punch simultaneously, be conducive to the unification of drawing and actual parts, convenient daily management maintenance to instrument.
Description of drawings
Fig. 1 is the schematic diagram that in prior art, bend punching die is in die opening state;
Fig. 2 is the schematic diagram that in prior art, bend punching die is in the matched moulds state;
Fig. 3 is the schematic diagram of in prior art, Bending punch being adjusted;
Fig. 4 is structural representation of the present utility model;
Fig. 5 is the partial structurtes schematic diagram of the second die of the present utility model and the 3rd die junction.
In figure: 1, upper bolster; 2 fixed head backing plates; 3, fixed head; 4, Bending punch; 5, the first spring; 6, stripper backing plate; 7, stripper; 8, bolt; 9, raw material; 10, the first die; 11, guide plate; 12, the second spring; 13, the second die; 14, the 3rd die; 15, adjust pad; 16, die shoe.
The specific embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
see also Fig. 4 and Fig. 5, a kind of bend punching die, comprise upper bolster 1, the below of upper bolster is provided with fixed head backing plate 2 and fixed head 3 from top to bottom, fixed head is provided with the first vertical hole, vertically be provided with the first spring 5 in the hole, also include stripper backing plate 6, the stripper backing plate is provided with the second vertical hole, the second vertical hole and the first coaxial setting in vertical hole, the other end of the first spring arranges in the second vertical hole, also be provided with successively stripper 7 and the first die 10 below stripper, the first die is arranged in die shoe 16, also be provided with vertical bore of the punch on fixed head, be slidably fitted with vertical Bending punch 4 in bore of the punch, guide plate 11 by both sides, front and back in figure hangs the firmly two sides that do not illustrate in the drawings of Bending punch specifically, it is the front and back, also be provided with the second spring 12 of level in fixed head, one end of the second spring props up the afterbody of Bending punch, die shoe is provided with the second die 13 and the 3rd die 14 at the offside of the first die, the 3rd die than the second die further from the first die, be connected by inclination 8 mantle frictions between the second die and the 3rd die, the second die is vertical plane towards the one side of the first die, the 3rd die is arranged on die shoe by bolt.
The present embodiment medium dip face is 3 ° with the direction of motion angle of Bending punch.In addition, the direction of motion angle of this inclined plane and Bending punch is that less acute angle is just passable, is preferably 2～5 °.
The bottom of described the 3rd die is provided with at least one and adjusts pad 15, adjust pad and can adopt one of following two kinds of forms: 1, for the sheet material of certain thickness, calculate the every increase certain size of thickness (for example 0.01mm or 0.005mm), the thickness of needed adjustment pad, each adjusts the amounts of thickness variation of the corresponding a kind of sheet material of thickness of pad, when sheet metal thickness changes to some extent, increase or reduce corresponding adjustment number of pads; The size of required whole adjustment pad when 2, calculating respectively sheet metal thickness and be different size is made respectively the adjustment pad of corresponding each sheet metal thickness, and when sheet metal thickness changed to some extent, integral replacing was adjusted pad.
Operating principle of the present utility model is:
In forming process, upper bolster descends with the lathe slide block, upper and lower mould is close gradually, when the second die and the 3rd die penetrate stripper and contact with Bending punch, under the effect of the second spring, Bending punch pushes against the right side in the diagram of bore of the punch all the time, glides with the second die friction, along with slide block continues to descend, when Bending punch contact raw material 9, and when entering between the first die and the 3rd die, the gap that Bending punch and product formation are stable.
Because the position of the first die is the product requirement bending position, can not change, so the position of depending on the second die is controlled in the adjustment in bending gap, the second die to the right the gap become large, the second die is gap smaller left.Fig. 5 is the Local map of the second die and the 3rd die.As can be seen from Figure, because there are certain angle of inclination in the second die and the 3rd die, so when the 3rd die moved up, the gap between the second die and the 3rd die was strengthened.Vice versa.
According to this principle, in mould, the 3rd die position is maintained static, and use bolted.
Only need during adjustment to adjust in the short transverse of the 3rd die, thereby the second die lateral attitude (left and right directions in figure) is changed, complete the adjustment to the bending gap.For the ease of adjusting, put into the adjusting pad sheet below the 3rd die, and according to the 3rd die distance up or down and thickness and the quantity of the selection of the relation between the second die change in location pad.The quantity that only need change pad during adjustment just can be completed the adjustment to the bending gap.
From the above, in forming process, the position of Bending punch and the second die is not fixed, so should process the side-play amount of drift and die when processing template, due to raw-material thickness deviation and little, general needs a less skew adjustment to get final product.
Claims (4)
1. bend punching die, comprise upper bolster, the below of upper bolster is provided with fixed head backing plate and fixed head from top to bottom, fixed head is provided with the first vertical hole, vertically be provided with the first spring in the hole, also include the stripper backing plate, the stripper backing plate is provided with the second vertical hole, the second vertical hole and the first coaxial setting in vertical hole, the other end of the first spring arranges in the second vertical hole, also be provided with successively stripper and the first die below stripper, the first die is arranged in die shoe, also be provided with vertical bore of the punch on fixed head, be slidably fitted with vertical Bending punch in bore of the punch,
It is characterized in that: the second spring that also is provided with level in fixed head, one end of the second spring is against the afterbody of Bending punch, die shoe is provided with the second die and the 3rd die at the offside of the first die, the 3rd die than the second die further from the first die, be connected by an inclined surface friction between the second die and the 3rd die, the second die is vertical plane towards the one side of the first die, and the 3rd die is arranged on die shoe by securing member.
2. bend punching die as claimed in claim 1, it is characterized in that: the direction of motion angle of described inclined plane and Bending punch is 2～5 °.
3. bend punching die as claimed in claim 2, it is characterized in that: the direction of motion angle of described inclined plane and Bending punch is 3 °.
4. bend punching die as claimed in claim 1 is characterized in that: the bottom of described the 3rd die is provided with at least one and adjusts pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729648 CN202984465U (en) | 2012-12-25 | 2012-12-25 | Bending and stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220729648 CN202984465U (en) | 2012-12-25 | 2012-12-25 | Bending and stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202984465U true CN202984465U (en) | 2013-06-12 |
Family
ID=48555688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220729648 Expired - Lifetime CN202984465U (en) | 2012-12-25 | 2012-12-25 | Bending and stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202984465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607500A (en) * | 2016-11-17 | 2017-05-03 | 武汉泛洲机械制造有限公司 | Punching die used for machining two coaxial holes in reverse gear arm support |
| CN108097805A (en) * | 2017-12-11 | 2018-06-01 | 郑州诚合信息技术有限公司 | A kind of flanging die with automatic material jacking mechanism |
-
2012
- 2012-12-25 CN CN 201220729648 patent/CN202984465U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607500A (en) * | 2016-11-17 | 2017-05-03 | 武汉泛洲机械制造有限公司 | Punching die used for machining two coaxial holes in reverse gear arm support |
| CN106607500B (en) * | 2016-11-17 | 2024-05-17 | 武汉泛洲精密科技股份有限公司 | Stamping die for machining two coaxial holes on reverse gear arm support |
| CN108097805A (en) * | 2017-12-11 | 2018-06-01 | 郑州诚合信息技术有限公司 | A kind of flanging die with automatic material jacking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |