阅读说明：本技术 一种具有孔内翻边成型功能的冲压模具 (Stamping die with downthehole turn-ups shaping function ) 是由 占先辉 王树吉 周成虎 于 2021-06-18 设计创作，主要内容包括：本发明公开了一种具有孔内翻边成型功能的冲压模具,属于冲压模具技术领域,包括下模机构：其包括下模板和下模座,所述下模座通过垫板固定在下模板上,所述下模座上设置有导柱,所述下模座上设置有凹模,所述下模座和所述下模板之间设置有卸料机构,所述卸料机构延伸至所述凹模内；本发明通过凸模作用在凹模上形成初步的冲压形状,折弯气缸推动平压板使工件边缘平缓向凹模内翻边折弯,实现单工位完成孔内翻边折弯,从而节约了模具工位,提高加工效率；通过限位框支撑在盲孔槽内,使上模座与下模座之间留有一定的间隙,便于平压板的活动,并设置缓冲柱避免凸模过度冲压,结构设计合理。(The invention discloses a stamping die with a hole flanging forming function, belonging to the technical field of stamping dies, and comprising a lower die mechanism: the die comprises a lower template and a lower die holder, wherein the lower die holder is fixed on the lower template through a backing plate, a guide pillar is arranged on the lower die holder, a female die is arranged on the lower die holder, and a discharging mechanism is arranged between the lower die holder and the lower template and extends into the female die; according to the invention, a preliminary stamping shape is formed on the female die through the action of the male die, the bending cylinder pushes the flat pressing plate to enable the edge of the workpiece to be gently bent towards the inner flanging of the female die, and the inner flanging bending of the hole is completed at a single station, so that the die station is saved, and the processing efficiency is improved; the upper die base is supported in the blind hole groove through the limiting frame, a certain gap is reserved between the upper die base and the lower die base, the flat pressing plate is convenient to move, the buffering columns are arranged, the male die is prevented from being excessively stamped, and the structural design is reasonable.)

1. The utility model provides a stamping die with downthehole turn-ups shaping function which characterized in that: the method comprises the following steps:

lower die mechanism (1): the die comprises a lower template (11) and a lower die holder (12), wherein the lower die holder (12) is fixed on the lower template (11) through a base plate (2), a guide pillar (3) is arranged on the lower die holder (12), a female die (4) is arranged on the lower die holder (12), a discharging mechanism (5) is arranged between the lower die holder (12) and the lower template (11), and the discharging mechanism (5) extends into the female die (4);

the upper die mechanism (6) comprises an upper die base (61), a guide sleeve (7) is arranged on the upper die base (61), the guide sleeve (7) is sleeved on the guide pillar (3), a male die (8) is arranged on the upper die base (61), the male die (8) is clamped in the female die (4), a flanging mechanism (9) is arranged on the upper die base (61), the flanging mechanisms (9) are located on two opposite sides of the male die (8), and the flanging mechanism (9) acts in the female die (4).

The discharging mechanism (5) comprises a discharging cylinder (51) and a top block (52), the discharging cylinder (51) is fixedly arranged on the lower template (11), and the top block (52) penetrates through the lower die holder (12) and extends into the female die (4);

the flanging mechanism (9) comprises a bending cylinder (91) and a flat pressing plate (92), the bending cylinder (91) is fixedly arranged on the upper die base (61), the bending cylinder (91) is located on two opposite sides of the male die (8), the flat pressing plate (92) is fixedly arranged on the bending cylinder (91), the side end of the flat pressing plate (92) is abutted against the side wall of the male die (8), and the lower end of the flat pressing plate (92) is abutted against the inner side wall of the female die (4).

2. The stamping die with the function of forming the flanging in the hole as claimed in claim 1, wherein a plurality of bending plates (10) are arranged on the lower die holder (12).

3. The stamping die with the function of forming the turned-over edge in the hole as claimed in claim 1, wherein two sides of the male die (8) are provided with limiting frames (13), the lower die holder (12) is provided with blind hole grooves (14), and the limiting frames (13) are clamped in the blind hole grooves (14).

4. The stamping die with the function of flanging in the hole according to claim 3, wherein the lower end part of the limiting frame (13) is overlapped with the lower end part of the male die (8).

5. The stamping die with the function of flanging in the hole according to claim 1, wherein the flat pressing plate (92) is an L-shaped plate, and the downward bent end of the flat pressing plate (92) is abutted against the inner wall of the female die (4).

6. The stamping die with the function of flanging in the hole according to claim 5, wherein the downward bent end of the flat pressing plate (92) is provided with an arc-shaped surface (15).

7. The stamping die with the function of flanging in the hole according to claim 1, wherein the upper die base (61) and the lower die plate (11) are both provided with buffer columns (16), and the buffer columns (16) on the upper die base (61) and the lower die plate (11) are mutually clamped.

Technical Field

The invention belongs to the technical field of stamping dies, and particularly relates to a stamping die with a hole flanging forming function.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called as 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.

At present, after single punching press was accomplished to stamping die, need remove next punching press station, bend alone to the pore edge position, extravagant mould station like this, machining efficiency is low.

Disclosure of Invention

The invention aims to: in order to solve the problems that when the inner edge of a workpiece hole needs to be bent, the inner stations of two molds are used for processing, so that the inner stations of the molds are wasted, and the processing efficiency is low, the stamping mold with the function of forming the flanging in the hole is provided.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a stamping die with downthehole turn-ups shaping function, it includes:

a lower die mechanism: the die comprises a lower template and a lower die holder, wherein the lower die holder is fixed on the lower template through a backing plate, a guide pillar is arranged on the lower die holder, a female die is arranged on the lower die holder, and a discharging mechanism is arranged between the lower die holder and the lower template and extends into the female die;

the upper die mechanism comprises an upper die base, a guide sleeve is arranged on the upper die base and sleeved on the guide pillar, a male die is arranged on the upper die base and clamped in the female die, a flanging mechanism is arranged on the upper die base and positioned on two opposite sides of the male die, and the flanging mechanism acts in the female die.

The discharging mechanism comprises a discharging cylinder and a top block, the discharging cylinder is fixedly arranged on the lower template, and the top block penetrates through the lower die base and extends into the female die;

the flanging mechanism comprises a bending cylinder and a flat pressing plate, the bending cylinder is fixedly arranged on the upper die base, the bending cylinder is located on two opposite sides of the male die, the flat pressing plate is fixedly arranged on the bending cylinder, the side end of the flat pressing plate is abutted against the side wall of the male die, and the lower end of the flat pressing plate is abutted against the inner side wall of the female die.

As a further description of the above technical solution:

and a plurality of bending plates are arranged on the lower die base.

As a further description of the above technical solution:

and limiting frames are arranged on two sides of the male die, a blind hole groove is formed in the lower die holder, and the limiting frames are clamped in the blind hole groove.

As a further description of the above technical solution:

the lower end part of the limiting frame is overlapped with the lower end part of the male die.

As a further description of the above technical solution:

the flat pressing plate is an L-shaped plate, and the downward bending end of the flat pressing plate props against the inner wall of the female die.

As a further description of the above technical solution:

and the downward bending end of the flat pressing plate is provided with an arc-shaped surface.

As a further description of the above technical solution:

the upper die base with all be provided with the cushion column on the lower bolster, the upper die base with on the lower bolster the mutual joint of cushion column.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, a primary stamping shape is formed on the female die through the action of the male die, the bending air cylinder pushes the flat pressing plate to enable the edge of the workpiece to be gently bent towards the inner flanging of the female die, and the inner flanging bending of the hole at a single station is realized, so that the die stations are saved, and the processing efficiency is improved.

2. In the invention, the limiting frame is supported in the blind hole groove, so that a certain gap is reserved between the upper die holder and the lower die holder, the flat pressing plate can move conveniently, the buffer column is arranged to avoid excessive punching of the male die, and the structural design is reasonable.

Drawings

Fig. 1 is an exploded view of a stamping die with a hole flanging forming function.

Fig. 2 is an exploded view of a stamping die with a hole flanging forming function.

Fig. 3 is a schematic view of an overall structure of a stamping die with a hole flanging forming function.

Fig. 4 is a schematic view of a stamping die with a hole flanging forming function in a front view direction.

Illustration of the drawings:

1. a lower die mechanism; 11. a lower template; 12. a lower die holder; 2. a base plate; 3. a guide post; 4. a female die; 5. a discharge mechanism; 51. a discharge cylinder; 52. a top block; 6. an upper die mechanism; 61. an upper die holder; 7. a guide sleeve; 8. a male die; 9. a flanging mechanism; 91. bending the air cylinder; 92. flattening the plate; 10. bending the plate; 13. a limiting frame; 14. a blind hole groove; 15. an arc-shaped surface; 16. and (7) buffering the column.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a stamping die with downthehole turn-ups shaping function, includes:

lower die mechanism 1: the die comprises a lower template 11 and a lower die holder 12, wherein the lower die holder 12 is fixed on the lower template 11 through a backing plate 2, a guide pillar 3 is arranged on the lower die holder 12, a female die 4 is arranged on the lower die holder 12, a discharging mechanism 5 is arranged between the lower die holder 12 and the lower template 11, and the discharging mechanism 5 extends into the female die 4;

the upper die mechanism 6 comprises an upper die base 61, a guide sleeve 7 is arranged on the upper die base 61, the guide sleeve 7 is sleeved on the guide pillar 3, a male die 8 is arranged on the upper die base 61, the male die 8 is clamped in the female die 4, a flanging mechanism 9 is arranged on the upper die base 61, the flanging mechanism 9 is positioned on two opposite sides of the male die 8, and the flanging mechanism 9 acts in the female die 4.

The discharging mechanism 5 comprises a discharging cylinder 51 and a top block 52, the discharging cylinder 51 is fixedly arranged on the lower template 11, and the top block 52 penetrates through the lower die holder 12 and extends into the female die 4;

the flanging mechanism 9 comprises a bending cylinder 91 and a flat pressing plate 92, the bending cylinder 91 is fixedly arranged on the upper die base 61, the bending cylinder 91 is positioned on two opposite sides of the male die 8, the flat pressing plate 92 is fixedly arranged on the bending cylinder 91, the side end of the flat pressing plate 92 abuts against the side wall of the male die 8, and the lower end of the flat pressing plate 92 abuts against the inner side wall of the female die 4;

a plurality of bending plates are arranged on the lower die base 12, and the bending plates 10 have an auxiliary limiting bending effect on the workpiece;

two sides of the male die 8 are provided with limiting frames 13, the lower die holder 12 is provided with a blind hole groove 14, and the limiting frames 13 are clamped in the blind hole groove 14;

the lower end part of the limiting frame 13 is superposed with the lower end part of the male die 8, so that a gap is ensured to be reserved between the upper die holder 61 and the lower die holder 12, a space is reserved for the movement of the flat pressing plate 92, and the structural design is reasonable;

the flat pressing plate 92 is an L-shaped plate, and the downward bending end of the flat pressing plate 92 props against the inner wall of the female die 4;

the downward bending end of the flat pressing plate 92 is provided with an arc-shaped surface 15, so that stable bending of a workpiece is facilitated;

the upper die base 61 with all be provided with the cushion column 16 on the lower bolster 11, the upper die base 61 with on the lower bolster 11 the mutual joint of cushion column 16 avoids the excessive punching press of terrace die 8.

The working principle is as follows: firstly, a workpiece is placed on a lower die holder 12, an upper die holder 61 is folded towards the direction of the lower die holder 12, a guide sleeve 7 slides along a guide post 3 at the moment, a male die 8 acts on the workpiece and enables the workpiece to be downwards recessed into a female die 4, a bending plate 10 has a limiting effect on two sides of the workpiece, a buffer post 16 on the upper die holder 61 and a buffer post 16 on the lower die plate 11 are clamped with each other, a limiting frame 13 is clamped in a blind hole groove 14 to limit the punching depth of the male die 8, then, a bending cylinder 91 extends, a flat pressing plate 92 acts on the edge of the workpiece to enable the workpiece to be attached to the inner wall of the female die 4, an arc-shaped surface 15 acts on the flanging of the workpiece, then, the upper die holder 61 leaves the lower die holder 12, the male die 8 is moved away from the female die 4, the limiting frame 13 is moved out of the blind hole groove 14, finally, a discharging cylinder 51 extends, a discharging cylinder 51 pushes a top block 52 to be inserted into the female die 4, and the top block 52 ejects the workpiece out of the female die 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.