CN216989498U

CN216989498U - Press-fit edge covering and punching integrated stamping die

Info

Publication number: CN216989498U
Application number: CN202220255054.2U
Authority: CN
Inventors: 刘玉山; 查向阳; 赵雷; 潘芬华
Original assignee: Chery Commercial Vehicle Anhui Co Ltd
Current assignee: Chery Commercial Vehicle Anhui Co Ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-07-19
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses a press-fit edge covering and punching integrated stamping die, which belongs to the technical field of stamping dies and comprises an upper die base and a lower die base, wherein the upper die base is provided with a plurality of press-fit driving devices and a plurality of upper punching driving parts, and the lower die base is provided with a pre-bending press-fit edge covering device matched with the corresponding press-fit driving devices and a lower punching driving part matched with the corresponding upper punching driving parts.

Description

Press-fit edge covering and punching integrated stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a pressing edge covering and punching integrated stamping die.

Background

In order to realize the structure of the stamping part in the development of the stamping part, a stamping die is usually designed with a plurality of processes. For example: drawing, trimming, punching, shaping, flanging and the like. On the premise of ensuring that the stamping process can meet the requirement of the stamping part, the working procedures are reduced as much as possible, and the fixed investment cost of die development and the manufacturing cost of production are reduced.

Because the existing stamping parts often have edge covering structures and mounting holes, the existing machining process is to perform welding operation after the sheet metal parts are subjected to edge covering, and punching is performed in a punching factory after welding is completed. Therefore, the existing stamping die comprises two sets, wherein one set is a pressing edge-covering die, the other set is a punching die, the solid casting cost and the manufacturing cost of the die are improved, and the forming efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the pressing-binding and punching integrated stamping die, which can integrate the pressing-binding and punching into one process, reduce the number of dies, reduce the stamping cost and improve the stamping forming efficiency.

In order to achieve the purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: the pressing, edge covering and punching integrated stamping die comprises an upper die base and a lower die base, wherein the upper die base is provided with a plurality of pressing driving devices and a plurality of upper punching driving parts, and the lower die base is provided with a pre-bending pressing and edge covering device matched with the corresponding pressing driving devices and a lower punching driving part matched with the corresponding upper punching driving parts.

The pre-bending pressing edge covering device comprises a pre-bending return mechanism, a cutter block is arranged on the pre-bending return mechanism, and the cutter block comprises a pre-bending section and a pressing section.

The pre-bending return mechanism comprises a mounting seat I fixed on the lower die seat, one side of the mounting seat I is connected with one side of the positioning seat through a hinged connecting rod, the other side of the mounting seat I is connected with the other side of the positioning seat through a return spring, and the outer end of the positioning seat I is provided with the cutter block.

The pressing driving device comprises a pre-bending driving block for driving the pre-bending section to act on the sheet metal and a pressing driving block for driving the pressing section to act on the pre-bent sheet metal.

The laminating driving device further comprises an L-shaped mounting seat II arranged on the upper die base, the pre-bending driving block is arranged at one end of the mounting seat II, the laminating driving block is arranged at the other end of the mounting seat II, and the laminating driving block and the pre-bending driving block are separated by a certain distance.

The upper punching driving part comprises a mounting seat III fixed on the upper die base, an upper driving block is mounted on the mounting seat III, and a punch is mounted on the upper driving block.

The lower punch driving part comprises a lower driving block fixed on the lower die base, the upper surface of the lower driving block is provided with an inclined surface, and the lower driving block is in sliding fit with the upper driving block.

A plurality of pressfitting drive arrangement and the pressfitting device of borduring of prebending all arrange along the circumference of sheet metal component equally spaced apart in position, and a plurality of slide wedge mechanisms arrange along the punching hole position equally spaced apart of sheet metal component.

The utility model has the beneficial effects that:

according to the utility model, by designing a set of stamping die, arranging the pressing and edge covering device according to the edge covering position of the stamping part, arranging the punching part according to the punching position of the stamping part, integrating the pressing and edge covering and the punching process into a process, the pressing and edge covering and the punching forming can be completed by one-time punching, the forming efficiency is improved, the manufacturing cost of fixed feeding and one-time punching of a pair of dies is reduced, and the stamping forming cost is reduced.

Drawings

The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:

FIG. 1 is a schematic structural view of an upper mold base according to the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

FIG. 3 is a schematic structural view of the press driving device and the pre-bending press binding device for binding;

FIG. 4 is a schematic structural diagram of the upper punch driving part and the lower punch driving part which are matched to realize punching in the utility model;

the labels in the above figures are: 1. the stamping die comprises an upper die base, a lower die base, a pressing driving device, a pre-bending driving block, a pressing driving block, a mounting base II, an upper punching driving part, a mounting base III, a driving block 42, an upper driving block 43, a punch, a pre-bending pressing edge covering device 5, a pre-bending return mechanism 51, a mounting base I, a hinged connecting rod 512, a positioning base 513, a return spring 514, a cutter block 52, a lower punching driving part 6 and a lower driving block 61.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The specific implementation scheme of the utility model is as follows: as shown in fig. 1 and 2, a press-fit edge covering and punching integrated stamping die comprises an upper die holder 1 and a lower die holder 2, wherein the upper die holder 1 is provided with a plurality of press-fit driving devices 3 and a plurality of upper punching driving parts 4, the lower die holder 2 is provided with a pre-bending press-fit edge covering device 5 matched with the corresponding press-fit driving device 3 and a lower punching driving part 6 matched with the corresponding upper punching driving part 4, and the upper punching driving part 4 and the lower punching driving part 6 are matched to form a wedge mechanism. A plurality of pressfitting drive arrangement 3 and the pressfitting device of borduring 5 of borduring of preflex all arrange along the equidistant in the position of the circumference borduring of sheet metal component, and a plurality of slide wedge mechanisms arrange along the equidistant in the hole site that dashes of sheet metal component. According to the utility model, the pressing and edge covering device is arranged according to the edge covering position of the stamping part, the punching part is arranged according to the punching position of the stamping part, and the pressing and edge covering and the punching processing are integrated in a set of die, so that the pressing and edge covering and the punching processing are integrated in one process, and the pressing and edge covering and the punching forming can be completed by one-step punching, so that the forming efficiency is improved, the manufacturing cost of one-step punching and solid feeding of a pair of dies is reduced, and the stamping forming cost is reduced.

Specifically, as shown in fig. 3, the pre-bending press-fitting edge covering device 5 includes a pre-bending return mechanism 51, the pre-bending return mechanism 51 includes a mounting base i 511 fixed on the lower die holder 2, one side of the mounting base i 511 is connected to one side of the positioning base 513 through a hinge connecting rod 512, the other side of the mounting base i 511 is connected to the other side of the positioning base 513 through a return spring 514, a knife block 52 is mounted at the outer end of the positioning base 513, and the knife block 52 includes a pre-bending section and a press-fitting section.

Wherein the pressing driving device 3 comprises a pre-bending driving block 31 for driving the pre-bending section to act on the sheet metal and a pressing driving block 32 for driving the pressing section to act on the pre-bent sheet metal, the pressing driving device 3 also comprises an L-shaped mounting seat II 33 arranged on the upper die holder 1, one end of the mounting seat II 33 is provided with a pre-bending driving block 31, the pre-bending driving block 31 is an installation block with a triangular section, the other end of the installation base II 33 is provided with a pressing driving block 32, the pressing driving block 32 is a vertical cuboid, the lower end of the pressing driving block 32 is positioned above the lower end of the mounting seat II 33, the pressing driving block 32 and the pre-bending driving block 31 are separated by a certain distance, so that in the punching process, the pre-bending driving block 31 acts on the mounting seat I511 firstly to enable the cutter block 52 to perform pre-bending action, and the pre-bending driving block 32 acts on the mounting seat I511 after being pressed to enable the cutter block 52 to perform pressing action.

In the descending process of the oil press, the pressing driving device 3 moves downwards, so that the pre-bending driving block 31 touches a pulley on the positioning seat 513 i, and the mounting seat i 511 inclines outwards under the action of the hinged connecting rod 512 and the return spring 514; with the continuous downward movement of the pre-bending driving block 31, when the tip of the pre-bending driving block 31 abuts against the mounting seat I511, the mounting seat I511 drives the pre-bending section of the cutter block 52 to act on the sheet metal, so that the edge of the sheet metal is bent inwards; the pre-bending driving block 31 continues to move downwards, the pressing driving block 32 abuts against the upper end of the mounting seat I511, the pressing section of the cutter block 52 acts on the sheet metal, the folded sheet metal edge is pressed, and pressing and edge covering are achieved. After punching, the oil press moves upwards, the mounting seat I511 returns to the original position under the action of the hinged connecting rod 512 and the return spring 514, so that the pressing and edge covering operation is performed on the next metal plate.

Specifically, as shown in fig. 4, the upper punch driving part 4 includes a mounting seat iii 41 fixed on the upper die holder 1, an upper driving block 42 is mounted on the mounting seat iii 41, and a punch 43 is mounted on the upper driving block 42. The lower punch driving part 6 comprises a lower driving block 61 fixed on the lower die holder 2, the upper surface of the lower driving block 61 is an inclined surface, and the lower driving block 61 is in sliding fit with the upper driving block 42, so that the punching angle of the punch 43 meets the punching requirement. During the downward stroke of the hydraulic press, the upper drive block 42 slides along the upper surface of the lower drive block 61, thereby causing the punch 43 to act on the sheet metal to effect the punching operation. After the punching is finished, the hydraulic press moves upwards, the upper driving block 42 slides along the upper surface of the lower driving block 61 in the opposite direction, and the punch 43 is smoothly separated from the metal plate.

In conclusion, the press-fit edge covering and the punching are integrated into one process, so that the number of dies is reduced, the punching cost is reduced, and the punching forming efficiency is improved.

While the foregoing is directed to the principles of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The press-fit edge covering and punching integrated stamping die is characterized by comprising an upper die base and a lower die base, wherein the upper die base is provided with a plurality of press-fit driving devices and a plurality of upper punching driving parts, and the lower die base is provided with a pre-bending press-fit edge covering device matched with the corresponding press-fit driving devices and a lower punching driving part matched with the corresponding upper punching driving parts.

2. The press-fit edge covering and punching integrated stamping die of claim 1, wherein: the pre-bending pressing edge covering device comprises a pre-bending return mechanism, wherein a cutter block is installed on the pre-bending return mechanism, and the cutter block comprises a pre-bending section and a pressing section.

3. The press-fit edge covering and punching integrated stamping die of claim 2, wherein: the pre-bending return mechanism comprises a mounting seat I fixed on the lower die seat, one side of the mounting seat I is connected with one side of the positioning seat through a hinged connecting rod, the other side of the mounting seat I is connected with the other side of the positioning seat through a return spring, and the cutter block is installed at the outer end of the positioning seat I.

4. The press-fit edge covering and punching integrated stamping die of claim 2, wherein: the pressing driving device comprises a pre-bending driving block for driving the pre-bending section to act on the sheet metal and a pressing driving block for driving the pressing section to act on the pre-bent sheet metal.

5. The press-fit edge covering and punching integrated stamping die of claim 4, wherein: the laminating driving device further comprises an L-shaped mounting seat II arranged on the upper die base, the pre-bending driving block is arranged at one end of the mounting seat II, the laminating driving block is arranged at the other end of the mounting seat II, and the laminating driving block and the pre-bending driving block are separated by a certain distance.

6. The press-fit edge covering and punching integrated stamping die of claim 1, wherein: the upper punch driving part comprises a mounting seat III fixed on the upper die base, an upper driving block is mounted on the mounting seat III, and a punch is mounted on the upper driving block.

7. The press-fit edge covering and punching integrated stamping die of claim 6, wherein: the lower punch hole driving part comprises a lower driving block fixed on the lower die base, the upper surface of the lower driving block is provided with an inclined surface, and the lower driving block is in sliding fit with the upper driving block.

8. A press-fitting, hemming and punching integrated stamping die according to claim 1, wherein: a plurality of pressfitting drive arrangement and the pressfitting device of borduring of prebending all arrange along the circumference of sheet metal component equally spaced apart in position, and a plurality of slide wedge mechanisms arrange along the punching hole position equally spaced apart of sheet metal component.