CN219899919U - Stamping die - Google Patents

Abstract

The utility model provides a stamping die which is used for processing a workpiece and comprises stamping mechanisms, wherein two stamping mechanisms are arranged oppositely along the horizontal direction, and the two stamping mechanisms are used for stamping forming operation points on two sides of the inner wall of the workpiece; the workpiece is fixed in position, the two stamping mechanisms are provided with female dies on the inner sides of the workpiece, and the two stamping mechanisms can synchronously move so that the female dies form the working points on the two sides of the inner wall of the workpiece. According to the utility model, the female dies are arranged on the inner side of the workpiece through the stamping mechanism, and when the stamping mechanism moves, the two female dies on the inner side of the workpiece can stamp and form two operation points on the two sides of the inner wall of the workpiece, so that the efficiency is high, and the production cost is low.

Description

Stamping die

Technical Field

The utility model relates to the technical field of stamping forming, in particular to a stamping die.

Background

In parts of partial automobiles, such as carriages, the parts have a plurality of bends, the shape of the product is more, two-direction side riveting needs to be completed at one time in the forming process, and the normal structure can not complete material pressing and two-side simultaneous riveting due to the narrow space of the product. The conventional stamping die can rivet only one point at a time, and is low in efficiency and high in production cost.

Disclosure of Invention

The utility model provides a stamping die which is used for solving the defects that a conventional stamping die in the prior art can only rivet one point at a time, and is low in efficiency and high in production cost.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a stamping die for processing a workpiece, comprising:

the stamping mechanisms are arranged in the horizontal direction and are used for stamping forming operation points on two sides of the inner wall of the workpiece;

the workpiece is fixed in position, the two stamping mechanisms are provided with female dies on the inner sides of the workpiece, and the two stamping mechanisms can synchronously move so that the female dies form the working points on the two sides of the inner wall of the workpiece.

Preferably, the punching mechanism includes:

a punch capable of performing a pressing action, the punch having a first pressing state and a second pressing state;

the first lower die sideslip insert can move along the horizontal direction, the female die is arranged in the first lower die sideslip insert, and the female die is used for forming an operation point on the workpiece;

a second lower die sideslip insert is arranged on the first lower die sideslip insert in a sliding manner, and a push head is arranged at one end of the second lower die sideslip insert, which faces the workpiece;

when the punch is in the first pressing state, the punch can drive the first lower die side sliding insert to move and drive the female die to be attached to the workpiece; when the punch is in the second pressing state, the punch drives the second lower die side sliding insert to move so that the push head abuts against and pushes the workpiece to form a working point at the female die.

Preferably, both sides of the bottom end of the punch are respectively provided with a first inclined plane and a second inclined plane which extend outwards along the bottom end of the punch;

the die is arranged at one end of the first lower die sideslip insert far away from the third inclined plane;

the second lower die sideslip insert is provided with a fourth inclined plane at one end close to the third inclined plane, and the push head is arranged at one end, opposite to the fourth inclined plane, of the second lower die sideslip insert.

Preferably, the method further comprises:

the first elastic piece is arranged on the end face of the first lower die sideslip insert, which is opposite to the third inclined plane;

the second elastic piece is arranged on the end face of the second lower die sideslip insert, which is opposite to the fourth inclined plane.

Preferably, the first lower die side sliding insert is provided with an abutting portion in a protruding mode, and the third inclined surface is arranged on the abutting portion.

Preferably, the length of the first inclined plane is equal to the length of the fourth inclined plane; and/or

The length of the second inclined plane is equal to that of the third inclined plane.

Preferably, the length of the first inclined surface is greater than the length of the second inclined surface.

Preferably, the method further comprises:

the punch is arranged at the bottom of the upper die;

and the first lower die sideslip insert is arranged on the lower die and can slide on the lower die.

Preferably, a pressing plate is further arranged at the bottom of the upper die, and the punch heads are arranged on two sides of the pressing plate.

Compared with the prior art, the utility model has the beneficial effects that: the inner side of the workpiece is provided with the female die through the stamping mechanism, and when the stamping mechanism moves, the two female dies positioned on the inner side of the workpiece can stamp two operation points on two sides of the inner wall of the workpiece, so that the efficiency is high, and the production cost is low.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an open die structure of a stamping die provided by the utility model;

FIG. 2 is a schematic diagram of a closed die structure of a stamping die provided by the utility model;

fig. 3 is an enlarged partial schematic view of fig. 2 a.

Reference numerals:

10. a punch; 11. a first inclined surface; 12. a second inclined surface; 20. a first lower mold side slip insert; 21. an abutting portion; 22. a third inclined surface; 30. a female die; 40. a second lower mold side slip insert; 41. a fourth inclined surface; 50. pushing heads; 60. an upper die; 70. a lower die; 80. a pressing plate; 90. and (5) a glue block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, an embodiment of the present utility model provides a stamping die for processing a workpiece, where the workpiece is a stamping part such as a carriage of an automobile, and the stamping die includes stamping mechanisms, the stamping mechanisms are disposed in two opposite directions along a horizontal direction, the two stamping mechanisms are used for stamping forming operation points on two sides of an inner wall of the workpiece, when the workpiece is placed on the die, the die compresses the workpiece so that the workpiece is fixed in position, and the two stamping mechanisms move synchronously and toward a central direction at the stamping forming operation points on two sides of the inner wall of the workpiece. The working points may be side flanges, side punching, riveting points, etc., and in the present utility model, the working points are riveting points.

In the present utility model, the pressing mechanism includes a punch 10, a first lower die side-slip insert 20, a die 30, a second lower die side-slip insert 40, and a push head 50, the punch 10 is capable of performing a pressing action, the punch 10 has a first pressing state and a second pressing state, the first lower die side-slip insert 20 is capable of moving in a horizontal direction, the lower die 70 side-rivet insert 30 is provided in the first lower die side-slip insert 20, the lower die 70 rivet insert is used for forming a working point on a workpiece, the second lower die side-slip insert 40 is slidably provided on the first lower die side-slip insert 20, the push head 50 is provided at an end of the second lower die side-slip insert 40 facing the workpiece, and the first lower die side-slip insert 20 and the second lower die side-slip insert 40 are moved by a driving force generated by pressing down the press head.

When the workpiece is required to be operated, the punch 10 is pressed down, so that the punch 10 is in a first pressing state, the punch 10 can drive the first lower die side sliding insert 20 to move towards the outer side of the die and drive the die 30 to be attached to the workpiece, it is to be understood that in the first pressing state, the punch 10 is in contact with the first lower die side sliding insert 20 but not in contact with the second lower die side sliding insert 40, the second lower die side sliding insert 40 does not move relative to the first lower die side sliding insert 20, after the die 30 is attached to the workpiece, the punch 10 continuously moves downwards to enter a second pressing state, the punch 10 is in contact with the second lower die side sliding insert 40 and drives the second lower die side sliding insert 40 to move towards the inner side of the die, so that the push head 50 abuts against the workpiece, and the punch 10 continuously presses down to push the workpiece to form an operation point at the die 30. The position of the die 30 is set based on the position of the working point required for the workpiece.

A glue block 90 is also provided on the pusher 50 to prevent the pusher 50 from damaging the workpiece.

Further, a first inclined surface 11 and a second inclined surface 12 extending outwards along the bottom end of the punch 10 are respectively arranged at two sides of the bottom end of the punch 10, a third inclined surface 22 attached to the first inclined surface 11 is arranged on the first lower die sideslip insert 20, and a female die 30 is arranged at one end, far away from the third inclined surface 22, of the first lower die sideslip insert 20; the end of the second lower die sideslip insert 40, which is close to the third inclined surface 22, is provided with a fourth inclined surface 41, the push head 50 is arranged at the end of the second lower die sideslip insert 40, which is opposite to the fourth inclined surface 41, the first inclined surface 11 is attached to the third inclined surface 22 in the first pressing-down state of the punch 10, the second inclined surface 12 is attached to the fourth inclined surface 41 in the second pressing-down state of the punch 10, and the first lower die sideslip insert 20 and the second lower die sideslip insert 40 can realize stable movement in a manner of mutual matching between the inclined surfaces, and the movement speed of the first lower die sideslip insert 20 and the second lower die sideslip insert 40 is determined by the pressing-down speed of the punch 10.

Specifically, the female die 30 is a lower die side rivet insert.

In an embodiment, the stamping die further includes a first elastic member and a second elastic member, the first elastic member is disposed on an end surface of the first lower die side-sliding insert 20 facing away from the third inclined surface 22, the first elastic member is used for driving the first lower die side-sliding insert 20 to return to the original position when the punch 10 is lifted, the second elastic member is disposed on an end surface of the second lower die side-sliding insert 40 facing away from the fourth inclined surface 41, and the second elastic member is used for driving the second lower die side-sliding insert 40 to return to the original position when the punch 10 is lifted. In the present utility model, the first elastic member and the second elastic member are springs, and in other embodiments, the first elastic member and the second elastic member may be members such as an accordion structure or a torsion spring, which is not limited herein.

Specifically, the first lower die side insert 20 is provided with an abutment portion 21 protruding therefrom, the abutment portion 21 is adapted to abut against the punch 10, the third inclined surface 22 is provided on the abutment portion 21, and the abutment portion 21 is provided higher than the second lower die side insert 40, so that the punch 10 is connected to the abutment portion 21 first.

In an embodiment, the length of the first inclined surface 11 is equal to the length of the fourth inclined surface 41, and the length of the second inclined surface 12 is equal to the length of the third inclined surface 22, so that the contact surfaces of the punch 10 and the first lower die side insert 20 or the second lower die side insert 40 are identical, and the movement between each other is smoother.

Because the punch 10 needs to drive the pushing head 50 to move to push the workpiece when being pressed down, the length of the first inclined plane 11 is set to be longer than that of the second inclined plane 12, so that the joint of the workpiece and the die 30 can form a working point.

In an embodiment, the stamping die further includes an upper die 60 and a lower die 70, a pressing plate 80 is disposed between the upper die 60, the pressing plate 80 is used for pressing the workpiece to avoid the deviation of the position of the workpiece, the punch 10 is disposed at the bottom of the upper die 60 and at two sides of the pressing plate 80, the lower die 70 is disposed below the upper die 60, and the first lower die sideslip insert 20 is disposed on the lower die 70 and can slide on the lower die 70, that is, the position of the lower die 70 is fixed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (9)

1. A stamping die for processing a workpiece, comprising:

the stamping mechanisms are arranged in the horizontal direction and are used for stamping forming operation points on two sides of the inner wall of the workpiece;

the workpiece is fixed in position, the two stamping mechanisms are provided with female dies on the inner sides of the workpiece, and the two stamping mechanisms can synchronously move so that the female dies form the working points on the two sides of the inner wall of the workpiece.

2. The stamping die of claim 1, wherein the stamping mechanism comprises:

a punch capable of performing a pressing action, the punch having a first pressing state and a second pressing state;

the first lower die sideslip insert can move along the horizontal direction, the female die is arranged in the first lower die sideslip insert, and the female die is used for forming an operation point on the workpiece;

a second lower die sideslip insert is arranged on the first lower die sideslip insert in a sliding manner, and a push head is arranged at one end of the second lower die sideslip insert, which faces the workpiece;

when the punch is in the first pressing state, the punch can drive the first lower die side sliding insert to move and drive the female die to be attached to the workpiece; when the punch is in the second pressing state, the punch drives the second lower die side sliding insert to move so that the push head abuts against and pushes the workpiece to form a working point at the female die.

3. The stamping die of claim 2, wherein the stamping die comprises a plurality of stamping dies,

the two sides of the bottom end of the punch are respectively provided with a first inclined plane and a second inclined plane which extend outwards along the bottom end of the punch;

the die is arranged at one end of the first lower die sideslip insert far away from the third inclined plane;

the second lower die sideslip insert is provided with a fourth inclined plane at one end close to the third inclined plane, and the push head is arranged at one end, opposite to the fourth inclined plane, of the second lower die sideslip insert.

4. A stamping die as in claim 3, further comprising:

the first elastic piece is arranged on the end face of the first lower die sideslip insert, which is opposite to the third inclined plane;

the second elastic piece is arranged on the end face of the second lower die sideslip insert, which is opposite to the fourth inclined plane.

5. The stamping die of claim 4, wherein the stamping die comprises a plurality of stamping dies,

the first lower die sideslip insert is provided with an abutting portion in a protruding mode, and the third inclined surface is arranged on the abutting portion.

6. The stamping die of claim 5, wherein the stamping die comprises a plurality of stamping dies,

the length of the first inclined plane is equal to that of the fourth inclined plane; and/or

The length of the second inclined plane is equal to that of the third inclined plane.

7. The stamping die of claim 6, wherein the stamping die comprises a plurality of stamping dies,

the length of the first inclined plane is greater than that of the second inclined plane.

8. The press die according to any one of claims 2 to 6, characterized by further comprising:

the punch is arranged at the bottom of the upper die;

and the first lower die sideslip insert is arranged on the lower die and can slide on the lower die.

9. The stamping die of claim 8, wherein the stamping die comprises a plurality of stamping dies,

the bottom of the upper die is also provided with a pressing plate, and the punches are arranged on two sides of the pressing plate.