CN211052257U - High-precision stamping part die - Google Patents

Abstract

High-precision stamping part mould, including blanking upper die and blanking lower die, blanking upper die slidable mounting is on the blanking lower die, be equipped with the piece that resets between blanking upper die and blanking lower die, setting through the piece that resets, realize the reseing of punching press grinding apparatus, be equipped with work piece direction subassembly and continuous work piece blanking hole in the blanking lower die, play the effect of location direction to the work piece through work piece direction subassembly, prevent that the work piece from taking place the phenomenon of slope, be equipped with blanking piece in blanking upper die, blanking piece's position corresponds with the position in blanking hole, it is preferred, the shape of blanking piece is unanimous with the shape in the work piece blanking hole that blanking piece corresponds, setting through continuous work piece blanking hole, be convenient for carry out the substep to the profile of work piece, cut many times, the surface quality of improvement work piece, make the continuity of work piece processing better, the production.

Description

High-precision stamping mold

technical field

The utility model relates to the stamping field, in particular to a high-precision stamping die.

Background technique

Blanking is a stamping method that uses the cutting edge of the die to separate the parts or blanks of the required shape and size from the sheet material. The blanking occupies the largest proportion in the stamping production. Outside the nearby metal, the sheet itself does not produce plastic deformation, so the parts punched from the flat plate are still in a flat shape. At present, the processing continuity of the punching dies on the market is poor, and the production efficiency of stamping parts is low, resulting in The production cost of the workpiece increases, and the enterprise benefit decreases.

SUMMARY OF THE INVENTION

In view of the above deficiencies, the technical problem to be solved by the present invention is to provide a high-precision stamping die, which makes the production continuity of the stamping parts higher and improves the production efficiency of the stamping parts.

In order to solve the above technical problems, the technical scheme adopted by the present utility model is,

High-precision stamping die, including punching upper die and punching lower die. The punching upper die is slidably installed on the punching lower die. There is a reset piece between the punching upper die and the punching lower die. A workpiece guide assembly and a continuous workpiece punching hole are arranged in the lower die, and a punching piece is arranged in the upper punching die, and the position of the punching piece corresponds to the position of the punching hole.

While adopting the above technical solutions, the present invention further adopts or combines the following technical solutions.

The workpiece punching holes sequentially include punching round holes, edge punching grooves, first workpiece edge grooves, steel stamp grooves, second workpiece edge grooves and cutting grooves, punching round holes, edge punching grooves, first workpiece edge grooves, The distances between the steel stamp groove, the second workpiece edge groove and the cutting groove are the same.

The punching circular holes are symmetrically arranged on the punching lower die in pairs, the punching circular holes include edge punching circular holes and workpiece punching circular holes, and the edge punching circular holes are located outside the workpiece punching circular holes.

The punching round holes include four edge punching round holes and two workpiece punching round holes.

The edge punching grooves include a first punching groove and a second punching groove, and the first punching grooves are symmetrically located on both sides of the second punching grooves.

The first workpiece edge groove includes a warped portion and a workpiece outer shape portion, and the workpiece outer shape portion is respectively connected to both ends of the warped portion.

The second workpiece edge groove is arc-shaped.

The cutting groove and the second punching groove have the same structure and are on the same straight line.

In the lower punching die, the second punching groove, the first workpiece edge groove, the steel stamp groove, the second workpiece edge groove and the cutting groove are all arranged in pairs.

A guide column is fixedly installed on the lower punching die. Correspondingly, a guide sleeve is provided in the upper punching die. The guide sleeve is slidably connected with the guide column, and the reset piece is sleeved on the outer side of the guide column.

The beneficial effect of the utility model is that, through the continuous setting of the workpiece punching holes, it is convenient to cut the contour of the workpiece step by step and multiple times, improve the surface quality of the workpiece, make the machining continuity of the workpiece better, and improve the workpiece surface quality. Productivity.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic structural diagram of the lower die of the present invention.

Figure 3 is a schematic structural diagram of the workpiece at the lower mold surface forming part.

Fig. 4 is the forming workpiece of this stamping die.

Reference numerals: punching upper die 1, punching lower die 2, workpiece guide assembly 4, workpiece punching hole 5, punching piece 6, punching round hole 7, edge punching groove 8, first workpiece edge groove 9 , Stencil groove 10, second workpiece edge groove 11, cutting groove 12, edge punching hole 13, workpiece punching hole 14, first punching groove 15, second punching groove 16, warped portion 17, workpiece Outer shape part 18 , guide post 19 , guide sleeve 20 .

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

High-precision stamping die, including punching upper die 1 and punching lower die 2. The punching upper die 1 is slidably installed on the punching lower die 2. Between the punching upper die 1 and the punching lower die 2, there is a The reset piece, through the setting of the reset piece, realizes the reset of the stamping abrasive tool. The workpiece guide assembly 4 and the continuous workpiece punching hole 5 are provided in the lower punching die 2, and the workpiece guide assembly 4 plays a role in positioning and guiding the workpiece. To prevent the workpiece from tilting, a punching piece 6 is provided in the upper punching die 1, and the position of the punching piece 6 corresponds to the position of the punching hole 5. Preferably, the shape of the punching piece 6 is the same as the punching hole 5. The shape of the workpiece punching holes 5 corresponding to the cutting parts is consistent. Through the continuous setting of the workpiece punching holes 5, it is convenient to cut the contour of the workpiece step by step and multiple times, improve the surface quality of the workpiece, and make the workpiece processing continuity. Better, improve the production efficiency of the workpiece.

The workpiece punching hole 5 sequentially includes a punching circular hole 7, an edge punching groove 8, a first workpiece edge groove 9, a steel stamp groove 10, a second workpiece edge groove 11 and a cutting groove 12, a punching circular hole 7, an edge punching The distances between the groove 8, the first workpiece edge groove 9, the stamp groove 10, the second workpiece edge groove 11 and the cutting groove 12 are the same, that is, the distance between different punching holes or punching grooves is the size of one workpiece , and perform round hole punching, workpiece edge contour punching and workpiece cutting operations on the workpiece in turn.

The punching circular holes 7 are symmetrically arranged on the punching lower die 1 in pairs. The punching circular holes 7 include an edge punching circular hole 13 and a workpiece punching circular hole 14. The edge punching circular hole 7 is located in the workpiece punching circular hole 14. Outside, the edge punching round hole 7 is used for punching the edge of the workpiece connecting piece, and the workpiece punching round hole 14 is used for punching the round hole on the workpiece.

The punching circular holes 7 include four edge punching circular holes 13 and two workpiece punching circular holes 14. The symmetrical punching circular holes 7 enable the punching die to simultaneously punch two workpieces, thereby improving production efficiency.

The edge punching groove 8 includes a first punching groove 15 and a second punching groove 16. The first punching grooves 15 are symmetrical in pairs on both sides of the second punching groove 16, and the first punching grooves 15 are opposite to the workpiece. The edge is grooved, and the second punching groove 16 is used to pre-cut the bottom of the workpiece to facilitate subsequent cutting of the workpiece.

The first workpiece edge groove 9 includes a warped portion 17 and a workpiece outer shape portion 18. The workpiece outer shape portion 18 is respectively connected to both ends of the warped portion 17, and the edge portion of the workpiece is punched and warped through the warped portion 17. The edge of the workpiece is punched out by the workpiece outer shape portion 18 so that the workpiece has a preliminary shape.

The second workpiece edge groove 11 is arc-shaped, the second workpiece edge groove 11 shapes the edge of the workpiece, and the edge formed by the second workpiece edge groove 11 and the edge formed by the first workpiece edge groove 9 are connected to each other, preferably , There are two first workpiece edge grooves 9 and two second workpiece edge grooves 11 in the lower punching die 2, and the edges on both sides of the workpiece are respectively cut.

The cutting groove 12 and the second punching groove 16 have the same structure and are on the same straight line. Preferably, the first workpiece edge groove 9 , the cutting groove 12 and the second punching groove 16 are located on the center line of the workpiece to be processed.

In the lower punching die 2, the second punching groove 16, the first workpiece edge groove 9, the stamp groove 10, the second workpiece edge groove 11 and the cutting groove 12 are all arranged in pairs.

A guide column 19 is fixedly installed on the lower punching die 2 . Correspondingly, a guide sleeve 20 is provided in the upper punching die 1 . outside.

The forming workpiece of this mold is shown in Figure 4. The workpiece includes a connecting part and a workpiece part. The connecting part and the forming part respectively include a first forming part, a second forming part, and a third forming part. The forming part a is punched, the workpiece punching hole 14 is used for punching the second forming part b, the first punching groove 15 is used for punching the third forming part c, and the second punching groove 16 is used for the fourth forming part. d to carry out preliminary cutting, the first workpiece edge groove 9 carries out punching and warping operations on the fifth forming part e, and the steel stamp groove 10 carries out steel stamping on the sixth forming part f, which is convenient for the workpiece part to be removed from the connecting part, the first The workpiece edge groove 11 punches the bottom gas forming part g, the cutting groove 12 further cuts the fourth forming part d, and the cutting groove 12 and the second punching groove 16 cut the workpiece.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention; Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more in this paper, the possibility of using other terms is not excluded; these terms are only used to describe and explain the essence of the present invention more conveniently; they are interpreted as any An additional limitation is contrary to the spirit of the present invention.

Claims (10)

1. A high-precision stamping die, characterized in that it comprises an upper punching die (1) and a lower punching die (2), and the upper punching die (1) is slidably mounted on the lower punching die (2), and is A reset piece is arranged between the upper cutting die (1) and the lower punching die (2), and a workpiece guide assembly (4) and a continuous workpiece punching hole (5) are arranged in the lower punching die (2). The punching upper die (1) is provided with a punching piece (6), and the position of the punching piece (6) corresponds to the position of the punching hole. 2. The high-precision stamping die according to claim 1, wherein the workpiece punching hole (5) sequentially comprises a punching circular hole (7), an edge punching groove (8), and a first workpiece edge groove ( 9), steel stamp groove (10), second workpiece edge groove (11) and cutting groove (12), punching round hole (7), edge punching groove (8), first workpiece edge groove (9), steel stamp The distances between the grooves (10), the second workpiece edge grooves (11) and the cutting grooves (12) are the same. 3. The high-precision stamping die according to claim 2, wherein the punching circular holes (7) are symmetrically arranged on the punching lower die (2) in pairs, and the punching circular holes (7) include edge punching. The circular punching hole (13) and the circular punching hole (14) for the workpiece are provided, and the circular circular hole (13) for edge punching is located outside the circular punching hole (14) for the workpiece. 4 . The high-precision stamping die according to claim 3 , wherein the punching circular holes ( 7 ) comprise four edge punching circular holes ( 13 ) and two workpiece punching circular holes ( 14 ). 5 . 5. The high-precision stamping die according to claim 2, wherein the edge punching groove (8) comprises a first punching groove (15) and a second punching groove (16), the first punching groove (15) are symmetrical in pairs on both sides of the second punching groove (16). 6. The high-precision stamping die according to claim 2, wherein the first workpiece edge groove (9) comprises a warped portion (17) and a workpiece contour portion (18), and the workpiece contour portions (18) are respectively connected at both ends of the warped portion (17). 7 . The high-precision stamping die according to claim 2 , wherein the second workpiece edge groove ( 11 ) is arc-shaped. 8 . 8 . The high-precision stamping die according to claim 5 , wherein the cutting groove ( 12 ) and the second cutting groove ( 16 ) have the same structure and are on the same straight line. 9 . 9. The high-precision stamping die according to claim 5, characterized in that, in the lower punching die (2), the second punching groove (16), the first workpiece edge groove (9), and the stencil groove (10) ), the second workpiece edge groove (11) and the cutting groove (12) are arranged in pairs. 10. The high-precision stamping die according to claim 1, wherein a guide column (19) is fixedly installed on the lower punching die (2), and correspondingly, a guide column (19) is installed in the upper punching die (1). There is a guide sleeve (20), the guide sleeve (20) is slidably connected with the guide column (19), and the reset piece is sleeved on the outer side of the guide column (19).

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