CN216095857U

CN216095857U - Metal mold tool

Info

Publication number: CN216095857U
Application number: CN202122475774.8U
Authority: CN
Inventors: 付明明; 李红柱; 邹猛; 付义忠; 蔡王涛; 古建国; 王玉珍
Original assignee: Hubei Minghan Auto Parts Co ltd
Current assignee: Hubei Minghan Auto Parts Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-22
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a metal die tool, which comprises a base, wherein a bottom die is arranged on the base, a stamping device is arranged above the bottom die, a pressing die is arranged at the bottom of the stamping device, guide parts matched with two sides of a metal workpiece plate are arranged on two sides of the bottom die, forming abdicating grooves are arranged on two sides of the front end of the bottom die, shearing punching grooves are arranged on two sides of the rear end of the bottom die, shearing punches matched with the shearing punching grooves are arranged on two sides of the rear end of the pressing die, a punching lug matched with the front end surface of the pressing die and the forming abdicating grooves is arranged at the front end of the pressing die, a cutting tool is arranged at the rear end of the pressing die close to the punching lug, and a telescopic limiting rod is arranged at the rear end of the shearing punching grooves. The utility model discloses a metal die tool, which belongs to the technical field of metal die tools, wherein a telescopic limiting rod is clamped with process notches on two sides of a metal workpiece plate, so that the metal workpiece plate can be prevented from being continuously pushed forwards, and the metal workpiece plate can be accurately positioned.

Description

Metal mold tool

Technical Field

The utility model relates to a metal die tool technology, in particular to a metal die tool.

Background

The existing metal product needs to be matched with a die tool for use in punch forming, the existing die tool is usually used for positioning a die, a metal workpiece plate is placed between two dies and then subjected to punch forming, after the front end of the metal workpiece plate is subjected to punch forming, the punched part needs to be cut off, then the front end of the metal workpiece plate is continuously punched under the forward pushing of a manual or conveying belt device, but the existing die tool cannot limit the position of the metal workpiece plate, a worker needs to manually place the metal workpiece plate on the approximate position of a die bottom die, and then the punching device is started to punch the pressing die downwards, so that the qualified rate of the processed part is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of the prior art, and aims to provide a metal mold tool for automatically positioning a workpiece.

In order to achieve the purpose, the utility model provides a metal die tool which comprises a base, wherein a bottom die is arranged on the base, a stamping device is arranged above the bottom die, a pressing die is arranged at the bottom of a pressing head of the stamping device, guide parts matched with two sides of a metal workpiece plate are arranged on two sides of the bottom die, forming abdicating grooves are arranged on two sides of the front end of the bottom die, a material shearing punching groove is arranged on two sides of the rear end of the bottom die, a material shearing punching head matched with the material shearing punching groove is arranged on two sides of the rear end of the pressing die, a material punching lug matched with the front end surface of the pressing die and the forming abdicating grooves is arranged at the front end of the pressing die, a cutting tool is arranged at the rear end, close to the material punching lug, of the pressing die, a telescopic limiting rod is vertically arranged at the rear end of the material shearing punching groove, and the telescopic limiting rod is arranged below the material punching lug.

Furthermore, the distance between the rear end of the forming abdicating groove and the rear end of the shearing punching groove is equal to the length dimension of the forming abdicating groove.

Furthermore, the telescopic limiting rod comprises a mounting hole formed in the rear end of the forming abdicating groove, a guide post is arranged in the mounting hole, a reset spring is arranged at the bottom end of the guide post, and a stop block is arranged at the top end of the guide post.

As a further improvement machine, a telescopic pressing block matched with the top surface of the bottom die is arranged at the bottom of the pressing die and positioned on the inner side of the material punching bump.

Furthermore, the telescopic pressing block comprises a mounting groove formed in the bottom of the front end of the pressing die, two guide rods penetrating the pressing die upwards are arranged in the mounting groove, and an extrusion spring matched with the top wall of the mounting groove and the top surface of the telescopic pressing block is arranged on each guide rod.

Advantageous effects

Compared with the prior art, the metal die tool has the following beneficial effects: according to the metal die tool, the telescopic limiting rods are arranged to be clamped with the process notches on the two sides of the metal workpiece plate, so that the metal workpiece plate is prevented from being continuously pushed forwards, and the metal workpiece plate is accurately positioned.

Drawings

FIG. 1 is a cross-sectional view of the construction of the metal mold tooling of the present invention;

FIG. 2 is a top view of the bottom mold and the base of the present invention;

FIG. 3 is a sectional view of the structure taken along line A-A in FIG. 2;

FIG. 4 is a bottom view of the die and punch arrangement of the present invention;

FIG. 5 is an enlarged top view of the structure of the telescopic press block of the present invention;

FIG. 6 is an enlarged top view of the structure of the blanking bump of the present invention;

FIG. 7 is an enlarged plan view of the structure of the metal work plate in the present invention.

In the figure: 1. a base; 2. bottom die; 3. a stamping device; 4. pressing the die; 5. a metal workpiece plate; 6. a guide portion; 7. forming the abdication groove; 8. shearing and notching; 9. a material shearing punch; 10. punching the material bump; 11. cutting off the cutter; 12. a telescopic limiting rod; 13. mounting holes; 14. a guide post; 15. a return spring; 16. a stopper; 18. a telescopic pressing block; 19. mounting grooves; 20. a guide bar; 21. a compression spring; 22. and (6) a blanking port.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

The specific embodiments of the present invention are such that: as shown in fig. 1 to 7, a metal mold tooling includes a base 1, a bottom mold 2 is disposed on the base 1, a stamping device 3 is disposed above the bottom mold 2, a pressing mold 4 is disposed at the bottom of a pressing head of the stamping device 3, guide portions 6 adapted to two sides of a metal workpiece plate 5 are disposed at two sides of the bottom mold 2, forming abdicating grooves 7 are disposed at two sides of a front end of the bottom mold 2, a material shearing punching groove 8 is disposed at two sides of a rear end of the pressing mold 4, a material shearing punch 9 adapted to the material shearing punching groove 8 is disposed at two sides of the rear end of the pressing mold 4, a material punching bump 10 adapted to a front end surface of the pressing mold 4 and the forming abdicating groove 7 is disposed at the front end of the pressing mold 4, the material punching bump 10 is U-shaped, a cutting tool 11 is disposed at a rear end of the bottom of the pressing mold 4 close to the material punching bump 10, and a telescopic limiting rod 12 is vertically disposed at a rear end of the material shearing punching groove 8. The front end of the bottom die 2 is provided with a blanking port 22, the rear end of the base 1 is provided with a conveying belt device, and the telescopic limiting rod 12 is arranged below the material punching lug.

In the metal die tool, a metal workpiece plate 5 is placed between convex guide parts 6 on two sides of a bottom die 2 for guiding, under the pushing of a conveyor belt device, the front end of the metal workpiece plate 5 slides to a forming abdicating groove 7, a stamping device 3 drives a stamping die 4 downwards, a stamping lug 10 of the stamping die 4 stamps the front end and two sides of the metal workpiece plate 5, so that the front end and two sides of the metal workpiece plate 5 are folded downwards, and a cutting tool 11 cuts off the folded part to obtain a part which is subjected to stamping forming; then, the two sides of the rear part of the metal workpiece plate 5 are punched by the material shearing punch 9, and the sheared structure is discharged downwards from the material shearing punching groove 8, so that a part of the two sides of the rear part of the metal workpiece plate 5 is sheared to form a gap, and the material stamping lug 10 can be conveniently punched and folded.

After the punch forming work of a part is finished, the pressing die 4 is lifted upwards, the telescopic limiting rod 12 extends upwards, the conveying belt device continues to push the metal workpiece plate 5, and pushes the part forwards and slides out of the blanking port 22; the telescopic limiting rod 12 is provided with a pressure sensor, when the notches on the two sides of the metal workpiece plate 5 are clamped with the telescopic limiting rod 12, the pressure sensor on the telescopic limiting rod 12 is subjected to lateral acting force to generate bending deformation, and the conveying belt device stops continuously pushing the metal workpiece plate 5, so that the metal workpiece plate 5 is positioned.

In this embodiment, the distance between the rear end of the forming abdicating groove 7 and the rear end of the material shearing punching groove 8 is equal to the length of the forming abdicating groove 7, so that the folding forming process of the front end of the metal workpiece plate 5 and the material shearing process of the rear end are performed simultaneously, and the processing efficiency is improved.

In this embodiment, the telescopic limiting rod 12 includes a mounting hole 13 formed at the rear end of the forming abdicating groove 7, a guide post 14 is arranged in the mounting hole 13, a return spring 15 is arranged at the bottom end of the guide post 14, and a stop 16 is arranged at the top end of the guide post 14. The top end of the stop block 16 is provided with a pressure sensor which is electrically connected with a control host of the conveying belt device.

When the material punching lug 10 punches downwards, the telescopic limiting rod 12 is extruded downwards, so that the telescopic limiting rod 12 is separated from the metal workpiece plate 5, and when the pressing die 4 moves upwards, the conveying belt device can continuously push the metal workpiece plate 5 forwards.

In this embodiment, the bottom of the pressing mold 4 is provided with a telescopic pressing block 18 corresponding to the top surface of the bottom mold 2 at the inner side of the blanking convex block 10. When the punching bump 10 of the pressing die 4 punches the front end and two sides of the metal workpiece plate 5, the telescopic pressing block 18 can compress the rear part of the metal workpiece plate 5, so that the rear part of the metal workpiece plate 5 is prevented from displacement, and the quality of parts is ensured to meet requirements.

In this embodiment, the telescopic pressing block 18 includes a mounting groove 19 formed at the bottom of the front end of the pressing die 4, two guide rods 20 upwardly penetrating the pressing die 4 are arranged in the mounting groove 19, and an extrusion spring 21 adapted to the top wall of the mounting groove 19 and the top surface of the telescopic pressing block 18 is arranged on the guide rods 20. When the pressing die 4 descends, the telescopic pressing block 18 is in contact with the top surface of the metal workpiece plate 5, the telescopic pressing block 18 can upwards contract into the mounting groove 19, and when the pressing die 4 ascends, the telescopic pressing block 18 is popped downwards.

In the present embodiment, the cutting tool 11 is provided on the telescopic press block 18, and the cutting tool 11 can cut out the press-formed part from the leading end of the metal workpiece plate 5.

In the embodiment, the two shearing punches 9 are installed on two sides of the installation groove 19 through threads, so that the installation and the replacement can be carried out quickly.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The utility model provides a metal mold tool, includes base (1), be equipped with die block (2) on base (1), the top of die block (2) is equipped with stamping device (3), the pressure head bottom of stamping device (3) is equipped with moulding-die (4), its characterized in that, the both sides of die block (2) are equipped with guide part (6) that suit with the both sides of metal workpiece board (5), the both sides of die block (2) front end are equipped with shaping abdicating groove (7), the rear end both sides of die block (2) are equipped with cuts material dashing groove (8), the rear end both sides of moulding-die (4) be equipped with cut material drift (9) of cutting material dashing groove (8) looks adaptation, the front end of moulding-die (4) be equipped with the dashing material lug (10) of preceding terminal surface and shaping abdicating groove (7) looks adaptation of moulding-die (4), be close to on moulding-die (4) the rear end of dashing material lug (10) is equipped with and cuts off cutter (11), and a telescopic limiting rod (12) is vertically arranged at the rear end of the material shearing punching groove (8).

2. The metal mold tool according to claim 1, wherein the distance between the rear end of the forming abdicating groove (7) and the rear end of the shearing punching groove (8) is equal to the length dimension of the forming abdicating groove (7).

3. The metal mold tool according to claim 2, wherein the telescopic limiting rod (12) comprises a mounting hole (13) formed in the rear end of the forming abdicating groove (7), a guide column (14) is arranged in the mounting hole (13), a return spring (15) is arranged at the bottom end of the guide column (14), and a stop block (16) is arranged at the top end of the guide column (14).

4. The metal mold tooling according to claim 1, 2 or 3, characterized in that a telescopic pressing block (18) adapted to the top surface of the bottom mold (2) is arranged at the bottom of the pressing mold (4) and located at the inner side of the blanking convex block (10).

5. The metal mold tooling device according to claim 4, characterized in that the telescopic press block (18) comprises a mounting groove (19) arranged at the bottom of the front end of the press mold (4), two guide rods (20) arranged upwards through the press mold (4) are arranged in the mounting groove (19), and a pressing spring (21) matched with the top wall of the mounting groove (19) and the top surface of the telescopic press block (18) is arranged on the guide rods (20).