CN219597801U

CN219597801U - Continuous stamping structure

Info

Publication number: CN219597801U
Application number: CN202320097943.5U
Authority: CN
Inventors: 罗加胜
Original assignee: Shenzhen Little Giant Precision Machinery Co ltd
Current assignee: Shenzhen Little Giant Precision Machinery Co ltd
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-08-29
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a continuous stamping structure, relates to the technical field of stamping structures, and aims at solving the problems that in the prior art, the disassembly and the replacement of an upper die are inconvenient, the offset of a lower stamping angle occurs during long-time stamping, and defective products are easy to occur. According to the utility model, the two shifting blocks are mutually closed, the telescopic spring is extruded and contracted, the connecting block is pulled out from the sliding block, the mounting plate and the sliding block are split, the quick replacement of the upper die assembly can be realized, in the continuous stamping process, the stamping mechanism is used for stamping the plate on the lower die through the upper die assembly, under the reaction force of the reset spring, the upward reset of the upper die assembly is realized after the stamping is completed, and the offset occurrence between the upper die assembly and the lower die can be reduced.

Description

Continuous stamping structure

Technical Field

The utility model relates to the technical field of stamping structures, in particular to a continuous stamping structure.

Background

The stamping is a forming processing method for obtaining a workpiece (stamping part) with a required shape and size by applying external force to plates, strips, pipes, sectional materials and the like by using a press machine and a die to make the plates, the strips, the pipes, the sectional materials and the like generate plastic deformation or separation, and the stamping and the forging belong to plastic processing (or pressure processing) together, and the stamped blank is mainly a hot rolled and cold rolled steel plate and a cold rolled steel strip. Among the steels in the world, 60-70% are sheet materials, most of which are punched into finished products.

The prior art has the following defects:

1. the traditional punching machine is very inconvenient in replacing and installing the upper die, so that the normal punching use of the punching machine on the metal plate is affected, and the processing efficiency of the metal plate is reduced;

2. the traditional punching machine can be because of striking repeatedly and the skew of undershoot angle appears in the punching process of carrying out for a long time, leads to the punching press skew between punching press head and the lower mould easily, and then leads to the punching press processing to appear the defective goods.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a continuous stamping structure, overcomes the defects of the prior art by the aid of the guide mechanism, and effectively solves the problems that the upper die is not convenient to assemble, disassemble and replace and the lower stamping angle is deviated for a long time so that defective products are easy to occur in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a continuous stamping structure, includes die carrier, stamping mechanism and guiding mechanism, guiding mechanism includes the guide bar that the symmetry set up, cup joints the spacing ring that is fixed in on the guide bar outer wall, sets up mould subassembly and cover between two guide bars and establishes the reset spring who slides on the guide bar outer wall, go up mould subassembly including the mounting panel, be fixed in the stamping head of mounting panel bottom, set up in mounting panel both ends outer wall the mounting groove, sliding connection in the connecting block of mounting groove and peg graft in the slider of connecting block one end.

Through drawing close each other two shifting blocks, extrude the shrink to the extension spring, take out the connecting block from the slider, split mounting panel and slider, can realize the quick replacement of last module, in the in-process of carrying out continuous punching press, the sheet material on the lower side lower mould is stamped through last module by stamping mechanism to under reset spring's reaction force, realize the upward reset of last module after the punching press is accomplished, can reduce the skew between last module and the lower mould and appear.

Preferably, the die carrier comprises a base, support columns fixed at four corners of the top of the base and a top plate fixed at the top of the support columns, and the stamping mechanism is arranged at the bottom of the top plate.

The firm die carrier is formed by the base, the support column and the top plate.

Preferably, the stamping mechanism comprises a hydraulic cylinder and a stamping block fixed at the bottom of the hydraulic cylinder, and the top of the hydraulic cylinder is fixed at the bottom of the top plate.

The hydraulic cylinder stretches to drive the punching block to move up and down, and the lower plate is impacted and punched.

Preferably, a lower die is arranged right below the punching block, and the lower die is fixedly arranged at the top of the base.

The lower die positioned right below the stamping block enables the stamping force to be vertically downward in the stamping process, and the stamping effect is kept good.

Preferably, the bottom end of the guide rod is fixed at the top of the base, and the top end of the guide rod is fixed at the bottom of the top plate.

Through the guide bar that sets up, the in-process of punching press downwards at last mould subassembly is led, improves the quality of punching press.

Preferably, the mounting groove is kept away from the one end inner wall both sides of slider and all is fixed with the extension spring, and the other end and the connecting block butt of extension spring.

The connecting block is pushed by the telescopic spring, so that the connecting block stretches out of the mounting groove.

Preferably, the top both ends of mounting panel all have seted up the spout that communicates each other with the mounting groove, and the top one end of connecting block all is fixed with the shifting block that forms sliding fit with the spout.

Through stirring the shifting block, promote the connecting block, make the connecting block income mounting groove.

Preferably, the top of slider all has seted up and has formed sliding fit's slide hole with the guide bar, and the slider is close to the one end of connecting block and has all been seted up and form grafting complex slot with the connecting block.

The sliding block is spliced with the connecting block through the slot.

The beneficial effects of the utility model are as follows:

1. when the upper die assembly is disassembled and replaced, the two shifting blocks are mutually closed, the telescopic spring is extruded and contracted, the connecting block is pulled away from the sliding block, the mounting plate is detached from the sliding block, a new mounting plate is replaced, and the connecting block is reinserted into the sliding block for mounting connection, so that the quick replacement of the upper die assembly can be realized, and the production efficiency is improved;

2. in the continuous stamping process, the hydraulic oil cylinder drives the stamping block to impact the upper die assembly downwards, the upper die assembly is impacted to stamp the plate on the lower die under the guiding action of the guide rod, and under the reaction force of the return spring, the upper die assembly is reset upwards after stamping is finished, so that the occurrence of offset between the upper die assembly and the lower die can be reduced, and the generation of defective products can be reduced.

Drawings

FIG. 1 is a schematic view of the whole structure of a continuous stamping structure according to the present utility model;

fig. 2 is a schematic structural view of a stamping mechanism with a continuous stamping structure according to the present utility model;

FIG. 3 is a schematic view of a guiding mechanism with a continuous stamping structure according to the present utility model;

fig. 4 is a schematic cross-sectional view of an upper die assembly of a continuous stamping structure according to the present utility model.

In the figure: 1. a mould frame; 2. a base; 3. a support column; 4. a top plate; 5. a punching mechanism; 6. a hydraulic cylinder; 7. stamping blocks; 8. a lower die; 9. a guide mechanism; 10. a guide rod; 11. a limiting ring; 12. an upper die assembly; 13. a return spring; 14. a mounting plate; 15. punching heads; 16. a mounting groove; 17. a telescopic spring; 18. a connecting block; 19. a shifting block; 20. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples:

referring to fig. 1-4, a continuous stamping structure comprises a die carrier 1, a stamping mechanism 5 and a guiding mechanism 9, wherein the die carrier 1 comprises a base 2, support columns 3 fixed at four corners of the top of the base 2 and a top plate 4 fixed at the top of the support columns 3, the stamping mechanism 5 is arranged at the bottom of the top plate 4, the firm die carrier 1 is formed by the base 2, the support columns 3 and the top plate 4, the stamping mechanism 5 comprises a hydraulic cylinder 6 and a stamping block 7 fixed at the bottom of the hydraulic cylinder 6, the top of the hydraulic cylinder 6 is fixed at the bottom of the top plate 4, the stamping block 7 is driven to move up and down by the expansion and contraction of the hydraulic cylinder 6 to impact and stamp a plate below, a lower die 8 is arranged under the stamping block 7, the lower die 8 is fixedly arranged at the top of the base 2, and the lower die 8 is positioned under the stamping block 7, so that stamping force is vertically downward in the stamping process, and the stamping effect is kept good;

the guide mechanism 9 comprises guide rods 10 which are symmetrically arranged, limiting rings 11 sleeved and fixed on the outer walls of the guide rods 10, an upper die assembly 12 arranged between the two guide rods 10 and a return spring 13 sleeved and sliding on the outer walls of the guide rods 10, the bottom end of each guide rod 10 is fixed on the top of the base 2, the top end of each guide rod 10 is fixed on the bottom of the top plate 4, and the guide is performed in the downward stamping process of the upper die assembly 12 through the arranged guide rods 10, so that the stamping quality is improved;

the upper die assembly 12 comprises a mounting plate 14, stamping heads 15 fixed at the bottom of the mounting plate 14, mounting grooves 16 formed in the outer walls of the two ends of the mounting plate 14, connecting blocks 18 connected in the mounting grooves 16 in a sliding mode and sliding blocks 20 inserted into one ends of the connecting blocks 18, telescopic springs 17 are fixed on two sides of the inner wall of one end, far away from the sliding blocks 20, of the mounting grooves 16, the other ends of the telescopic springs 17 are abutted against the connecting blocks 18, the connecting blocks 18 are pushed by the telescopic springs 17 to enable the connecting blocks 18 to extend out of the mounting grooves 16, sliding grooves communicated with the mounting grooves 16 are formed in the two ends of the top of the mounting plate 14, pulling blocks 19 are fixed at one ends of the top of the connecting blocks 18 to form sliding fit with the sliding grooves, the connecting blocks 18 are pushed by the pulling blocks 19 to be retracted into the mounting grooves 16, sliding holes matched with the guide rods 10 are formed in the tops of the sliding blocks 20, inserting grooves matched with the connecting blocks 18 in a plugging mode are formed in one ends, and the sliding blocks 20 are inserted into the connecting blocks 18 through the inserting grooves.

Working principle:

in the continuous stamping process, the hydraulic oil cylinder 6 drives the stamping block 7 to impact the upper die assembly 12 downwards, the upper die assembly 12 is impacted to stamp the plate on the lower die 8 under the guiding action of the guide rod 10, and after the stamping is finished, the upper die assembly 12 is reset upwards under the reaction force of the reset spring 13;

when the upper die assembly 12 is removed and replaced, the two pulling blocks 19 are moved close to each other, the expansion springs 17 are compressed and contracted, the connecting blocks 18 are pulled away from the sliding blocks 20, the mounting plates 14 and the sliding blocks 20 are detached, the new mounting plates 14 are replaced, and the connecting blocks 18 are reinserted into the sliding blocks 20 for mounting connection.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a continuous stamping structure, includes die carrier (1), stamping mechanism (5) and guiding mechanism (9), its characterized in that, guiding mechanism (9) are including guide bar (10) that the symmetry set up, cup joint spacing ring (11) on being fixed in guide bar (10) outer wall, set up mould subassembly (12) and cover between two guide bars (10) establish reset spring (13) that slide on guide bar (10) outer wall, go up mould subassembly (12) including mounting panel (14), be fixed in stamping head (15) of mounting panel (14) bottom, set up mounting groove (16) in mounting panel (14) both ends outer wall, connecting block (18) and slider (20) of grafting in connecting block (18) one end in mounting groove (16).

2. A continuous stamping structure as claimed in claim 1, wherein the die carrier (1) comprises a base (2), support columns (3) fixed to four corners of the top of the base (2) and a top plate (4) fixed to the top of the support columns (3), and the stamping mechanism (5) is mounted to the bottom of the top plate (4).

3. A continuous stamping structure according to claim 2, characterized in that the stamping mechanism (5) comprises a hydraulic cylinder (6) and a stamping block (7) fixed to the bottom of the hydraulic cylinder (6), and that the top of the hydraulic cylinder (6) is fixed to the bottom of the top plate (4).

4. A continuous stamping structure as claimed in claim 3, characterized in that a lower die (8) is provided directly under the stamping block (7), and that the lower die (8) is mounted and fixed on top of the base (2).

5. A continuous stamping structure as claimed in claim 2, characterized in that the bottom end of the guide bar (10) is fixed to the top of the base (2) and the top end of the guide bar (10) is fixed to the bottom of the top plate (4).

6. The continuous stamping structure according to claim 1, wherein the telescopic springs (17) are fixed on both sides of the inner wall of one end of the mounting groove (16) far away from the sliding block (20), and the other end of the telescopic springs (17) is abutted against the connecting block (18).

7. The continuous stamping structure according to claim 1, wherein the two ends of the top of the mounting plate (14) are provided with sliding grooves which are mutually communicated with the mounting groove (16), and the one ends of the top of the connecting blocks (18) are fixed with shifting blocks (19) which form sliding fit with the sliding grooves.

8. The continuous stamping structure according to claim 1, wherein the top of the sliding block (20) is provided with sliding holes which form sliding fit with the guide rod (10), and one end of the sliding block (20) close to the connecting block (18) is provided with slots which form inserting fit with the connecting block (18).