CN210080454U - High-precision part deformation prevention blanking device - Google Patents

Abstract

The utility model relates to a part prevents technical field that warp, and discloses a doffer that high accuracy part prevents to warp, has solved present high accuracy part and has received the effect of positive stress and warp the problem when processing, and it includes upper die base and die holder, the bottom fixed mounting of upper die base has the cope match-plate pattern, is equipped with the upper padding plate between upper die base and the cope match-plate pattern, and the top and the bottom of upper padding plate are connected with the bottom of upper die base and the top of cope match-plate pattern respectively fixedly, and the bottom fixed connection of cope match-plate pattern has the backstop board, and the bottom fixed connection of backstop board has upper stripper, and the top fixed mounting of die holder has the lower bolster, is equipped with the lower bolster between die holder and the lower bolster; this doffer that high accuracy part prevented deformation can effectually prevent the effect of positive stress and make high accuracy part warp when using, even if high accuracy part area is very big, also can guarantee not warp when the blanking.

Description

High-precision part deformation prevention blanking device

Technical Field

The utility model belongs to the technical field of the part prevents to warp, specifically is a high accuracy part prevents doffer that warp.

Background

The traditional blanking process for preventing deformation of high-precision parts has a defect all the time, when the area of a product is too large, and because the lower part of the middle part of the product is not supported during blanking, when the normal stress generated by four dies is received by the blanking, namely the stress of resisting pressure in the middle, the strength of the product is not enough, so that the deformation of a drawing arch can be caused.

Therefore, the device for preventing the high-precision parts from being deformed and blanking needs to be improved, so that the device can process the high-precision parts with different strengths, and the high-precision parts are not deformed in the processing process, thereby ensuring the qualified rate of the processing of the high-precision parts.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a doffer that high accuracy part prevents to warp, the effectual current high accuracy part of having solved receives the effect of normal stress and the problem of warping when adding man-hour easily.

In order to achieve the above object, the utility model provides a following technical scheme: a blanking device for preventing high-precision parts from deforming comprises an upper die base and a lower die base, wherein an upper die plate is fixedly mounted at the bottom of the upper die base, an upper base plate is arranged between the upper die base and the upper die plate, the top and the bottom of the upper base plate are fixedly connected with the bottom of the upper die base and the top of the upper die plate respectively, a stop plate is fixedly connected with the bottom of the upper die plate, an upper stripper plate is fixedly connected with the bottom of the stop plate, a lower die plate is fixedly mounted at the top of the lower die base, a lower base plate is arranged between the lower die base and the lower die plate, the top and the bottom of the lower base plate are fixedly connected with the bottom of the lower die plate and the top of the lower die base respectively, a precut is arranged between the upper die base and the lower die base and comprises a precut male die, a blank holder and a precut female die, the precut female die is arranged, the top of the flat wire spiral spring is fixedly connected with a force transferring gasket, and the top of the force transferring gasket is fixedly connected with a force transferring rod.

Preferably, the precutting male die is arranged among the upper die plate, the stop plate and the upper stripping plate.

Preferably, the blank holder is fixedly installed at the lower part of the pre-cutting male die and is positioned at the bottom of the upper stripper plate.

Preferably, the lower die holder is internally provided with a containing cavity, and the flat wire spiral spring is fixedly installed at the bottom of the containing cavity.

Preferably, a through groove is formed in the lower base plate, the top of the dowel bar extends into the pre-cutting female die through the through groove, and the top of the dowel bar is fixedly connected with the bottom of the ejector block.

Preferably, the sizes of the upper die holder and the lower die holder, the sizes of the upper backing plate and the lower backing plate, and the sizes of the upper template and the lower template are the same.

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

(1) during working, the device can effectively push the high-precision part when the high-precision part is punched and processed by arranging the pre-cut, the pre-cut male die, the blank holder, the pre-cut female die, the jacking block, the flat wire spiral spring, the force transmission gasket and the force transmission rod, so that the high-precision part can not be subjected to large pressure when being separated from the material belt, and the deformation of the high-precision part is avoided; the high-precision part is placed in the pre-cutting male die and the pre-cutting female die for blanking, a jacking block under the action of a flat wire spiral spring is used as a support during blanking, the upper die is separated after blanking is completed, the jacking block can jack a part of the high-precision part into a material belt, the material belt is conveyed to the next step, and the high-precision part can be separated from the material belt by lightly jacking the high-precision part into the material belt because the high-precision part is not jacked deeply by the jacking block, so that the high-precision part cannot be subjected to large normal stress; therefore, the blanking device for preventing the high-precision part from deforming can effectively prevent the high-precision part from deforming under the action of positive stress when in use, and can ensure that the high-precision part cannot deform during blanking even if the area of the high-precision part is large.

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:

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

fig. 2 is a partially enlarged view of fig. 1 according to the present invention;

fig. 3 is an enlarged view of a portion of fig. 1 according to the present invention;

in the figure: 1. an upper die holder; 2. a lower die holder; 3. an upper base plate; 4. mounting a template; 5. a stopper plate; 6. an upper stripping plate; 7. a lower base plate; 8. a lower template; 9. pre-cutting; 10. pre-cutting the male die; 11. a blank holder; 12. precutting a female die; 13. a top block; 14. a flat wire coil spring; 15. a force transfer gasket; 16. a dowel bar.

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 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.

Embodiment one, given by fig. 1, fig. 2 and fig. 3, the utility model discloses an upper die base 1 and lower die base 2, the bottom fixed mounting of upper die base 1 has cope match-plate pattern 4, be equipped with upper padding plate 3 between upper die base 1 and the cope match-plate pattern 4, the top and the bottom of upper padding plate 3 are connected with the bottom of upper die base 1 and the top of cope match-plate pattern 4 fixed respectively, the bottom fixed connection of cope match-plate pattern 4 has backstop 5, the bottom fixed connection of backstop 5 has upper stripper 6, the top fixed mounting of lower die base 2 has lower bolster 8, be equipped with lower bolster 7 between lower die base 2 and the lower bolster 8, the top and the bottom of lower bolster 7 are connected with the bottom of lower bolster 8 and the top of lower die base 2 fixed respectively, set up precut 9 between upper die base 1 and lower die base 2, precut 9 includes precut terrace die 10, blank holder 11 and precut die 12; the blank holder 11 is arranged, so that the parts can be effectively fixed; the pre-cutting female die 12 is arranged at the top of the lower die plate 8, a top block 13 is arranged inside the pre-cutting female die 12, a flat wire spiral spring 14 is arranged inside the lower die base 2, the top of the flat wire spiral spring 14 is fixedly connected with a force transmission gasket 15, and the top of the force transmission gasket 15 is fixedly connected with a force transmission rod 16; through the arrangement of the force transmission gasket 15 and the force transmission rod 16, the flat wire spiral spring 14 can effectively jack the parts; by arranging the pre-cut 9, the pre-cut male die 10, the blank holder 11, the pre-cut female die 12, the top block 13, the flat wire spiral spring 14, the force transmission gasket 15 and the force transmission rod 16, the equipment can effectively push high-precision parts when the high-precision parts are punched, so that the high-precision parts can not be subjected to large pressure when being separated from a material belt, and the deformation of the high-precision parts is avoided; the high-precision part is placed in the pre-cutting male die 10 and the pre-cutting female die 12 for blanking, the ejector block 13 under the action of the flat-wire spiral spring 14 is used as a support during blanking, the upper die is separated after blanking is completed, the ejector block 13 can eject a part of the high-precision part into the material belt, the material belt is conveyed to the next step, and the high-precision part can be separated from the material belt by slightly ejecting the high-precision part into the material belt because the ejector block 13 does not eject the high-precision part into the material belt deeply, so that the high-precision part cannot be subjected to large positive stress; therefore, the blanking device for preventing the high-precision part from deforming can effectively prevent the high-precision part from deforming under the action of positive stress when in use, and can ensure that the high-precision part cannot deform during blanking even if the area of the high-precision part is large.

In the second embodiment, based on the first embodiment, as shown in fig. 1 and fig. 2, the pre-cutting punch 10 is arranged between the upper die plate 4, the stopper plate 5 and the upper stripper plate 6, and the pre-cutting punch 10 is arranged between the upper die plate 4, the stopper plate 5 and the upper stripper plate 6, so that the product can be effectively blanked.

Third embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the binder 11 is fixedly installed at the lower part of the pre-cutting male die 10 and is located at the bottom of the upper stripper plate 6, so that the binder 11 is effectively fixed to the punched product by fixedly installing the binder at the lower part of the pre-cutting male die 10 and is located at the bottom of the upper stripper plate 6.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 3, a storage cavity is formed in the lower die holder 2, the flat wire coil spring 14 is fixedly mounted at the bottom of the storage cavity, and the flat wire coil spring 14 can be effectively pressed up and down by the storage cavity.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 and 3, a through groove is formed in the lower cushion plate 7, the top of the dowel bar 16 extends into the precutting concave die 12 through the through groove, and the top of the dowel bar 16 is fixedly connected with the bottom of the ejector block 13 through the through groove, so that the dowel bar 16 can effectively drive the ejector block 13 to push the punched products upwards.

Sixth embodiment, on the basis of first embodiment, given by fig. 1, the same size of upper die base 1 and lower die base 2, upper bolster 3 and lower bolster 7, and cope match-plate pattern 4 and lower bolster 8 sets up through the equidimension, can effectually carry out effectual blanking to the product.

The working principle is as follows: during operation, place the high accuracy part earlier and carry out the blanking in the inside of die 10 and the die 12 in advance, there is ejector pad 13 under the effect of flat spiral spring 14 as the support during blanking, the blanking is accomplished the back, go up the mould and break away from, ejector pad 13 can push into partly to the material area with the high accuracy part top, send to next step by the material area, because it is not deep to have just pushed up the high accuracy part top into the material area by ejector pad 13, consequently just can break away from the material area with the high accuracy part once more gently, the high accuracy part just can not receive big normal stress like this.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a doffer that high accuracy part prevented deformation, includes upper die base (1) and die holder (2), its characterized in that: an upper template (4) is fixedly installed at the bottom of the upper die base (1), an upper padding plate (3) is arranged between the upper die base (1) and the upper template (4), the top and the bottom of the upper padding plate (3) are fixedly connected with the bottom of the upper die base (1) and the top of the upper template (4) respectively, a stop plate (5) is fixedly connected with the bottom of the upper padding plate (4), an upper stripper plate (6) is fixedly connected with the bottom of the stop plate (5), a lower template (8) is fixedly installed at the top of the lower die base (2), a lower padding plate (7) is arranged between the lower die base (2) and the lower template (8), the top and the bottom of the lower padding plate (7) are fixedly connected with the bottom of the lower template (8) and the top of the lower die base (2) respectively, a precutting groove (9) is formed between the upper die base (1) and the lower die base (2), the precutting groove (9) comprises a precutting male die (10, the pre-cutting die (12) is arranged at the top of the lower die plate (8), the jacking block (13) is arranged inside the pre-cutting die (12), the flat wire spiral spring (14) is arranged inside the lower die holder (2), the force transferring gasket (15) is fixedly connected to the top of the flat wire spiral spring (14), and the force transferring rod (16) is fixedly connected to the top of the force transferring gasket (15).

2. The blanking device for preventing the high-precision part from being deformed as claimed in claim 1, wherein: the pre-cutting convex die (10) is arranged among the upper die plate (4), the stop plate (5) and the upper stripping plate (6).

3. The blanking device for preventing the high-precision part from being deformed as claimed in claim 1, wherein: the blank holder (11) is fixedly arranged at the lower part of the pre-cutting male die (10) and is positioned at the bottom of the upper stripper plate (6).

4. The blanking device for preventing the high-precision part from being deformed as claimed in claim 1, wherein: the lower die holder (2) is internally provided with a containing cavity, and the flat wire spiral spring (14) is fixedly arranged at the bottom of the containing cavity.

5. The blanking device for preventing the high-precision part from being deformed as claimed in claim 1, wherein: a through groove is formed in the lower backing plate (7), the top of the dowel bar (16) extends to the inside of the pre-cutting female die (12) through the through groove, and the top of the dowel bar (16) is fixedly connected with the bottom of the ejector block (13).

6. The blanking device for preventing the high-precision part from being deformed as claimed in claim 1, wherein: the upper die holder (1) and the lower die holder (2), the upper backing plate (3) and the lower backing plate (7) and the upper template (4) and the lower template (8) are the same in size.

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