CN214053405U

CN214053405U - Stamping die capable of increasing stroke through double sliding blocks

Info

Publication number: CN214053405U
Application number: CN202023262496.XU
Authority: CN
Inventors: 倪正中
Original assignee: Taizhou Zhongrui Electronics Co ltd
Current assignee: Taizhou Zhongrui Electronics Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-27
Anticipated expiration: 2030-12-30

Abstract

A stamping die capable of increasing stroke through double sliders comprises a lower die holder and an upper die holder moving relative to the lower die holder, wherein an upper die plate is fixed on the lower portion of the upper die holder, a punch is fixed below the upper die plate, a containing cavity is formed in the lower die holder, a left stop block is fixed on the left side of the containing cavity, a right stop block is fixed on the right side of the containing cavity, a first slider and a second slider are arranged between the left stop block and the right stop block, a first inclined surface is machined on the left side of the first slider, a second inclined surface is machined on the right side of the first slider, a third inclined surface matched with the first inclined surface is machined on the left stop block, a fourth inclined surface matched with the second inclined surface is machined on the second slider, and the second slider is connected with the right stop block through a compression spring; this scheme is with the pushing down of punching pin on indirectly transmitting the second slider through first slider, under the unchangeable condition of mould size, the stroke of second slider obtains double growth, and fundamentally has reduced the cost of mould like this, has satisfied the actual demand of super large stroke slider.

Description

Stamping die capable of increasing stroke through double sliding blocks

Technical Field

The utility model relates to a stamping die through double slide increases stroke.

Background

In recent years, with the development of socioeconomic in China, automobile electronic stamping products are more and more diversified and complicated, and the function of the stamping industry is more and more extensive. In the die structure, a part of products need the slider to have a larger sliding stroke during forming, the slider generally slides with the punch under the extrusion action of the inclined surface, the stroke of the slider can only be determined by the pressing distance of the punch under the premise of determining the design angle of the inclined surface, and in one stamping die, in order to enable the slider to obtain a larger sliding stroke, the punch and the slider must have larger sizes at the same time, and a longer extrusion action surface is arranged between the punch and the slider, all corresponding parts such as blanking forming and the like need to be matched and lengthened, so that the cost of the die is increased.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a stamping die through double slide increases stroke.

In order to achieve the purpose, the utility model provides a stamping die capable of increasing stroke by double sliders, which comprises a lower die holder and an upper die holder moving relative to the lower die holder, wherein an upper die plate is fixed on the lower part of the upper die holder, a punch is fixed below the upper die plate, a containing cavity is arranged in the lower die holder, a left stop block is fixed on the left side of the containing cavity, a right stop block is fixed on the right side of the containing cavity, a first slider and a second slider are arranged between the left stop block and the right stop block, a first inclined plane is processed on the left side of the first slider, a second inclined plane is processed on the right side of the first slider, a third inclined plane matched with the first inclined plane is processed on the left stop block, a fourth inclined plane matched with the second inclined plane is processed on the second slider, and the second slider is connected with the right stop block by a compression spring;

the inner side of the die is provided with two sliding blocks, the press of the punch is indirectly transmitted to the second sliding block through the first sliding block, the movement of the second sliding block is realized, the second sliding block has a larger sliding stroke, and the requirement for the larger sliding stroke during the stamping of an actual workpiece is met.

Preferably, the right side upper end of the second sliding block is provided with a convex part, and the left side upper end of the right block is provided with a notch;

in above-mentioned technical scheme, when the second slider slided to the right-hand member, the effect chucking work piece of convex part and notch realized the preliminary location of work piece.

Preferably, the cross section of the first sliding block is an isosceles triangle or an isosceles trapezoid;

in the above technical scheme, the equal length design of the two sides of the first sliding block facilitates the processing and assembly of the first sliding block, and simultaneously, the stroke of the second sliding block is changed in multiples.

Preferably, the included angle between the first inclined surface and the horizontal line is 135 degrees, and the included angle between the second inclined surface and the horizontal line is 45 degrees;

in the technical scheme, the stroke of the second sliding block is twice of the pressing distance of the punch through the angle design of the first inclined surface and the second inclined surface, and the second sliding block obtains a larger sliding stroke.

The utility model discloses beneficial effect for prior art does: this scheme is with the pushing down of punching pin on indirectly transmitting the second slider through first slider, under the unchangeable condition of mould size, the stroke of second slider obtains double growth, and fundamentally has reduced the cost of mould like this, has satisfied the actual demand of super large stroke slider.

Drawings

Fig. 1 is a front view of a stamping die for increasing the stroke by a double slide block according to the present invention;

FIG. 2 is an enlarged view of position A of FIG. 1;

fig. 3 is a schematic view of the press die when the punch is pressed down.

In the figure: 1. an upper die holder; 2. mounting a template; 3. punching; 4. a first slider; 41. a first inclined plane; 42. a second inclined plane; 5. a left stop block; 51. a third inclined plane; 6. a lower die holder; 61. an accommodating chamber; 7. a second slider; 71. a fourth slope; 72. a convex portion; 8. pressing a spring; 9. a right stopper; 91. a recess.

Detailed Description

As shown in fig. 1, 2 and 3, the utility model provides a stamping die through double-slider increase stroke, including die holder 6 and upper die base 1 for the motion of die holder 6, upper die base 1 lower part is fixed with cope match-plate pattern 2, a punching pin 3 is fixed with to cope match-plate pattern 2 below, be equipped with in the die holder 6 and hold chamber 61, the left side of holding chamber 61 is fixed with left dog 5, the right side of holding chamber 6 is fixed with right dog 9, be equipped with first slider 4, second slider 7 between left dog 5 and the right dog 9, first inclined plane 41 is processed on the left side of first slider 4, second inclined plane 42 is processed on the right side of first slider 4, third inclined plane 51 that matches with first inclined plane 41 is processed on left dog 5, fourth inclined plane 71 that matches with second inclined plane 42 is processed on second slider 7, be connected through pressure spring 8 between second slider 7 and the right dog 9; the upper end of the right side of the second sliding block 7 is provided with a convex part 72, the upper end of the left side of the right block 9 is provided with a notch 91, and when the second sliding block slides to the right end, the workpiece is clamped under the action of the convex part and the notch, so that the initial positioning of the workpiece is realized; the section of the first sliding block 4 is an isosceles triangle, the included angle between the first inclined surface 41 and the horizontal line is 135 degrees, the included angle between the second inclined surface 42 and the horizontal line is 45 degrees, and through the angle design of the first inclined surface and the second inclined surface, the stroke of the second sliding block is twice of the pressing distance of the punch, and the second sliding block obtains a larger sliding stroke.

This scheme is with the pushing down of punching pin on indirectly transmitting the second slider through first slider, under the unchangeable condition of mould size, the stroke of second slider obtains double growth, and fundamentally has reduced the cost of mould like this, has satisfied the actual demand of super large stroke slider.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

referring to fig. 3, the punch moves downwards along with the upper die base, the punch extrudes the first sliding block, the first sliding block moves rightwards while moving downwards, the first inclined plane and the third inclined plane, and the second inclined plane and the fourth inclined plane generate mutual extrusion, when the angles of the first inclined plane, the second inclined plane and a horizontal line are 135 degrees and 45 degrees respectively, if the distance of the downward movement of the punch is H, the distance of the rightward sliding of the second sliding block is 2H, namely, the double change of the sliding stroke of the second sliding block is realized, the sliding stroke of the second sliding block inside the die is larger, the second sliding block and the right stop block can clamp a workpiece to be punched, and the preliminary positioning before punching is realized.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a stamping die through two sliders increase stroke which characterized in that: the stamping die comprises a lower die holder (6) and an upper die holder (1) moving relative to the lower die holder (6), wherein an upper die plate (2) is fixed on the lower portion of the upper die holder (1), a punch (3) is fixed below the upper die plate (2), a containing cavity (61) is arranged in the lower die holder (6), a left stop block (5) is fixed on the left side of the containing cavity (61), a right stop block (9) is fixed on the right side of the containing cavity (61), a first sliding block (4) and a second sliding block (7) are arranged between the left stop block (5) and the right stop block (9), a first inclined plane (41) is processed on the left side of the first sliding block (4), a second inclined plane (42) is processed on the right side of the first sliding block (4), a third inclined plane (51) matched with the first inclined plane (41) is processed on the left stop block (5), and a fourth inclined plane (71) matched with the second inclined plane (42) is processed on the second sliding block (7), the second sliding block (7) is connected with the right stop block (9) through a compression spring (8).

2. The die set of claim 1, wherein the stroke is increased by a double slide, and wherein: the right upper end of the second sliding block (7) is provided with a convex part (72), and the left upper end of the right block (9) is provided with a notch (91).

3. The die set of claim 1, wherein the stroke is increased by a double slide, and wherein: the section of the first sliding block (4) is an isosceles triangle or an isosceles trapezoid.

4. The die set of claim 3, wherein the stroke is increased by a double slide, the die set comprising: the included angle between the first inclined surface (41) and the horizontal line is 135 degrees, and the included angle between the second inclined surface (42) and the horizontal line is 45 degrees.