CN211218301U - Stamping die capable of improving surface pressure precision - Google Patents

Abstract

The utility model provides a stamping die for improving surface pressure precision, which comprises an upper die and a lower die, wherein the upper die is provided with a punch and a surface pressing part, the lower die is provided with a positioning unit and a material ejecting pin, and the positioning unit comprises an inner positioning piece and an outer positioning piece; the inner positioning piece is a positioning rod or a positioning pin, the outer positioning piece is a positioning stop block, the inner positioning piece is arranged inside the product, and the positioning stop block is arranged outside the product; the surface pressing part is arranged on the stamping side of the product, and the positioning stop block is arranged on the other side, opposite to the stamping side, of the product; adopt the utility model provides an improve stamping die of face pressure precision keeps the position of product in stamping process to change, can improve positioning accuracy to improve stamping accuracy.

Description

Stamping die capable of improving surface pressure precision

Technical Field

The utility model relates to a stamping die particularly, relates to a stamping die who improves face and press precision.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

In the process of pressing the product on the single side, the product is stressed unevenly in the die due to the fact that the product is pressed on the single side, the product can move downwards in the stamping process, and the product walking can affect the precision of punching in the product and the depth of surface pressing.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an improve stamping die of face pressure precision keeps the position of product in stamping process to change, can improve positioning accuracy to improve stamping accuracy.

The utility model provides a stamping die for improving surface pressure precision, which comprises an upper die and a lower die, wherein the upper die is provided with a punch and a surface pressing part, the lower die is provided with a positioning unit and a material ejecting pin, and the positioning unit comprises an inner positioning piece and an outer positioning piece; the inner positioning piece is a positioning rod or a positioning pin, the outer positioning piece is a positioning stop block, the inner positioning piece is arranged inside the product, and the positioning stop block is arranged outside the product; the surface pressing part is arranged on the stamping side of the product, and the positioning stop block is arranged on the other side, opposite to the stamping side, of the product.

Further, along width direction, the location side protrusion of location dog is provided with the top stopper, the top stopper is located the top of product.

Furthermore, the lower die comprises a lower supporting plate, a lower cushion block, a lower die base, a lower cushion plate and a lower die plate which are sequentially arranged from bottom to top and fixedly connected, the inner positioning piece is arranged on the lower supporting plate, the ejector pin is arranged between the lower die plate and the lower cushion plate, and the positioning stop block is arranged on the lower die plate.

Further, go up the mould and include from the top down upper die base, upper padding plate, punch holder, go up the end stop baffle and go up the stripper that set gradually, the top of drift connect in punch holder to wear to establish in proper order go up the end stop baffle and go up the stripper.

Furthermore, the upper die holder, the upper base plate and the upper clamping plate are fixedly connected in pairs, the upper stop baffle is fixedly connected with the upper stripper plate, and the upper clamping plate is movably connected with the upper stop baffle through an equal-height sleeve.

Further, a spring is arranged among the upper die holder, the upper base plate, the upper clamping plate and the upper stop baffle.

Further, the number of the punches is set to be plural.

Furthermore, the number of the positioning stop blocks is at least two.

The utility model provides an improve stamping die of face pressure precision mainly includes upper die and lower mould, and the upper die is provided with drift and face impress son, and the drift is used for the stamping forming of product, and the face impress son can carry out prepositioning for the punching press limit of product; the lower die is provided with a positioning unit and a material ejecting pin, the material ejecting pin is used for stripping of a product, the positioning unit comprises an inner positioning piece and an outer positioning piece, the inner positioning piece is a positioning rod or a positioning pin, the outer positioning piece is a positioning stop block, the inner side and the outer side of the product can be respectively positioned, the product is positioned in the product stamping process no matter in the horizontal direction or the vertical direction, the product cannot be loosened to influence the stamping precision, and the punching and surface pressing precision is guaranteed; in general, the position of the product in the stamping process is kept unchanged, and the positioning precision can be improved, so that the stamping precision is improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a structural view of a die opening state of a stamping die for improving surface pressure accuracy according to an embodiment of the present invention;

fig. 2 is a structural view of a closed die state of a stamping die for improving surface pressure accuracy according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the lower template in the embodiment of the present invention;

fig. 4 is a side view of a stamping die for improving surface pressure accuracy according to an embodiment of the present invention;

fig. 5 is an enlarged view of the positioning stopper according to the embodiment of the present invention.

The device comprises a punch 1, a punch 2, a surface pressing insert 3, a material ejecting pin 4, an inner positioning piece 5, an outer positioning piece 51, a top limiting block 6, a product 71, a lower supporting plate 72, a lower cushion block 73, a lower die base 74, a lower cushion plate 75, a lower cushion plate 81, an upper die base 82, an upper cushion plate 83, an upper clamping plate 84, an upper stop baffle 85, an upper stripper plate 91, an equal-height sleeve 92 and a spring.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1-4, a stamping die for improving surface pressure accuracy provided by an embodiment of the present invention is shown in the drawings, which includes an upper die and a lower die, wherein the upper die is provided with a punch 1 and a surface pressing insert 2, the lower die is provided with a positioning unit and a material ejecting pin 3, and the positioning unit includes an inner positioning element 4 and an outer positioning element 5; the inner positioning piece 4 is a positioning rod or a positioning pin, the outer positioning piece 5 is a positioning stop block, the inner positioning piece 4 is arranged inside the product 6, and the positioning stop block is arranged outside the product 6; the surface pressing piece 2 is arranged on the stamping side of the product 6, and the positioning stop block is arranged on the other side, opposite to the stamping side, of the product 6.

The stamping die for improving the surface pressing precision mainly comprises an upper die and a lower die, wherein the upper die is provided with a punch 1 and a surface pressing part 2, the punch 1 is used for stamping and forming a product, and the surface pressing part 2 can be used for pre-positioning a stamping edge of the product 6; the lower die is provided with a positioning unit and an ejection pin 3, the ejection pin 3 is used for stripping a product 6, the positioning unit comprises an inner positioning piece 4 and an outer positioning piece 5, the inner positioning piece 4 is a positioning rod or a positioning pin, the outer positioning piece 5 is a positioning stop block, the inner side and the outer side of the product 6 can be respectively positioned, the product 6 is positioned in the process of punching the product 6 in the horizontal direction or the vertical direction, the product 6 cannot be loosened to influence the punching precision, and the punching and surface pressing precision is ensured; in general, the position of the product 6 is kept unchanged during the stamping process, and the positioning precision can be improved, so that the stamping precision is improved.

Example two:

referring to fig. 5, a stamping die for improving surface pressure accuracy according to a second embodiment of the present invention is shown in the drawing, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiment: along width direction, the location side protrusion of location dog is provided with top stopper 51, and top stopper 51 is located the top of product 6.

Through the above further improvement, the present embodiment has the following advantages compared with the prior art: the vertical direction of the product 6 can be positioned, and the positioning effect of the product 6 is further improved.

Example three:

referring to fig. 1-4, a stamping die for improving surface pressure accuracy according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the lower die comprises a lower supporting plate 71, a lower cushion block 72, a lower die base 73, a lower cushion plate 74 and a lower die plate 75 which are sequentially arranged from bottom to top and fixedly connected, the inner positioning piece 4 is arranged on the lower supporting plate 71, the ejector pin 3 is arranged between the lower die plate 75 and the lower cushion plate 74, and the positioning stop block is arranged on the lower die plate 75. Wherein the face insert 2 is located on the lower die plate 75.

Through the above further improvement, the present embodiment has the following advantages compared with the prior art: further improving the positioning effect.

Example four:

referring to fig. 1-2 and fig. 3, a stamping die for improving surface pressure accuracy according to a fourth embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiments: go up the mould and include from the top down upper die base 81, upper padding plate 82 that set gradually, punch holder 83, go up and end baffle 84 and go up and take off board 85, the top of drift 1 is connected in punch holder 83 to wear to establish in proper order and go up to end baffle 84 and go up and take off board 85: the upper die holder 81, the upper backing plate 82 and the upper clamp plate 83 are fixedly connected in pairs, the upper stop baffle 84 is fixedly connected with the upper stripper plate 85, and the upper clamp plate 83 is movably connected with the upper stop baffle 84 through an equal-height sleeve 91; a spring 92 is arranged among the upper die holder 81, the upper backing plate 82, the upper clamping plate 83 and the upper stop baffle 84.

Through the above further improvement, the present embodiment has the following advantages compared with the prior art: the upper clamp plate 83 and the upper stop baffle 84 can be movably connected, the position of the upper stop baffle and the position of the upper clamp plate 83 can be ensured by the aid of the equal-height sleeve 91, and the arrangement of the spring 92 can buffer the position, so that the stamping effect of the stamping die is further improved.

Example five:

referring to fig. 1-2, a stamping die for improving surface pressure accuracy according to a fifth embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the number of the punches 1 is set to be a plurality; the number of the positioning stoppers is set to be at least two, and two positioning stoppers are provided in this embodiment, or a plurality of positioning stoppers may be provided.

Through the above further improvement, the present embodiment has the following advantages compared with the prior art: a plurality of drifts 1 can realize one-time stamping forming according to the side shape one-to-one of product, and the location dog sets to two or more, can further improve the location effect.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The stamping die capable of improving the surface pressing precision is characterized by comprising an upper die and a lower die, wherein the upper die is provided with a punch (1) and a surface pressing part (2), the lower die is provided with a positioning unit and a material ejecting pin (3), and the positioning unit comprises an inner positioning piece (4) and an outer positioning piece (5); the inner positioning piece (4) is a positioning rod or a positioning pin, the outer positioning piece (5) is a positioning stop block, the inner positioning piece (4) is arranged inside the product (6), and the positioning stop block is arranged on the outer side of the product (6); the surface pressing part (2) is arranged on the punching side of the product (6), and the positioning stop block is arranged on the other side, opposite to the punching side, of the product (6).

2. The stamping die for improving the surface pressing precision as claimed in claim 1, wherein a top stopper (51) is convexly arranged on the positioning side of the positioning stopper along the width direction, and the top stopper (51) is located above the product (6).

3. The stamping die for improving the surface pressing precision as claimed in claim 1 or 2, wherein the lower die comprises a lower supporting plate (71), a lower cushion block (72), a lower die holder (73), a lower cushion plate (74) and a lower die plate (75), which are arranged from bottom to top and fixedly connected, the inner positioning element (4) is arranged on the lower supporting plate (71), the ejector pin (3) is arranged between the lower die plate (75) and the lower cushion plate (74), and the positioning stopper is arranged on the lower die plate (75).

4. The stamping die for improving the surface pressing precision as claimed in claim 3, wherein the upper die comprises an upper die base (81), an upper backing plate (82), an upper clamping plate (83), an upper stop plate (84) and an upper stripper plate (85) which are sequentially arranged from top to bottom, and the top of the punch (1) is connected to the upper clamping plate (83) and sequentially penetrates through the upper stop plate (84) and the upper stripper plate (85).

5. The stamping die for improving the surface pressing precision as claimed in claim 4, wherein the upper die holder (81), the upper backing plate (82) and the upper clamping plate (83) are fixedly connected in pairs, the upper stop plate (84) is fixedly connected with the upper stripper plate (85), and the upper clamping plate (83) is movably connected with the upper stop plate (84) through an equal-height sleeve (91).

6. The stamping die for improving the surface pressing precision as recited in claim 5, wherein a spring (92) is disposed between the upper die holder (81), the upper backing plate (82), the upper clamping plate (83) and the upper stop plate (84).

7. The press die for improving surface pressing accuracy as set forth in claim 1, wherein said punch (1) is provided in plural number.

8. The stamping die for improving surface pressing accuracy as recited in claim 1, wherein the number of the positioning stoppers is at least two.

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