CN220591301U - Die structure for reducing die stamping force - Google Patents

Abstract

The utility model discloses a die structure for reducing die stamping force, which comprises an upper machine table, wherein a lower machine table is arranged below the upper machine table, two symmetrical hydraulic presses are fixedly arranged on the lower surface of the upper machine table, an upper die holder is fixedly arranged at the output end of each hydraulic press, an upper base plate is fixedly arranged on one side of each upper die holder, an upper die is fixedly arranged on one side of each upper base plate, and a first mounting groove is formed in the center position of the lower surface of each upper die. According to the utility model, the first punch and the second punch are arranged, the work required by the punching machine for punching the workpiece into the required shape cannot be changed, as can be known from I=F×S, if the punching force of the die is required to be reduced, only the displacement is required to be increased.

Description

Die structure for reducing die stamping force

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a die structure for reducing die stamping force.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.

When the punching machine punches a workpiece, if the punching force is too large, damage to the upper die and the lower die can be caused, and based on the damage, a die structure for reducing the punching force of the die is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a die structure for reducing die stamping force.

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

the utility model provides a reduce mould structure of mould stamping force, includes the board, the board below is provided with down the board, board lower surface fixed mounting has two symmetrical hydraulic presses, hydraulic press output fixed mounting has the upper die base, upper die base one side fixed mounting has the upper padding plate, upper die base one side fixed mounting has the upper die, first mounting groove has been seted up to upper die lower surface central point put, movable mounting has first drift in the first mounting groove, the second mounting groove has all been seted up to the first mounting groove left and right sides of upper die, equal movable mounting has the second drift in the second mounting groove, first drift length is greater than the second drift, the upper die below is provided with the bed die, bed die one side fixed mounting has the bed die.

Furthermore, three cushion blocks are fixedly arranged on one side of the lower die base, and the three cushion blocks are fixedly connected with the lower machine table.

Further, four support columns are fixedly arranged between the upper machine table and the lower machine table, four linear bearings are fixedly arranged on the upper die base, the upper die base is slidably arranged outside the support columns through the linear bearings, and a first spring is fixedly arranged between the linear bearings and the lower machine table.

Furthermore, four pressing blocks are fixedly arranged on one side of the upper die holder, four guide posts are fixedly arranged on one side of the lower die holder, guide sleeves are slidably arranged on the guide posts, and a second spring is fixedly arranged between the guide sleeves and the lower die holder.

Furthermore, four upper limit posts are fixedly arranged on one side of the upper die holder, and four lower limit posts are fixedly arranged on one side of the lower die holder.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the first punch and the second punch are arranged, the work required by the punching machine for punching the workpiece into the required shape cannot be changed, as can be known from I=F×S, if the punching force of the die is required to be reduced, only the displacement is required to be increased.

2. According to the utility model, the first spring, the second spring, the guide post and the guide sleeve are arranged, the hydraulic press pushes the upper die holder to move downwards, the linear bearing extrudes the first spring to compress and deform, then the pressing block presses the guide sleeve, the guide sleeve moves downwards along the axis of the guide post, the second spring compresses and deforms, the compression deformation of the first spring and the second spring effectively relieves the pressure in the stamping process, and the buffering capacity of the device is improved.

3. According to the utility model, the upper limit column and the lower limit column are arranged, so that the upper limit column and the lower limit column are matched to prevent the upper die and the lower die from being damaged due to the fact that the upper die is directly extruded to the lower die due to the fact that the die closing height of the hydraulic press is set incorrectly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a die structure for reducing die stamping force according to the present utility model;

FIG. 2 is a schematic front view of a mold structure for reducing the stamping force of a mold according to the present utility model;

FIG. 3 is an enlarged schematic view of a portion of the mold structure of FIG. 2 for reducing the mold stamping force according to the present utility model;

fig. 4 is a schematic diagram illustrating the installation of the first punch and the second punch on the upper die of the die structure for reducing the die stamping force according to the present utility model.

In the figure: 1. feeding the machine; 2. discharging the machine table; 3. a hydraulic press; 4. an upper die holder; 5. an upper backing plate; 6. an upper die; 7. a first punch; 8. a second punch; 9. a lower die; 10. a lower backing plate; 11. a lower die holder; 12. a cushion block; 13. a support column; 14. a linear bearing; 15. a first spring; 16. briquetting; 17. a guide post; 18. a guide sleeve; 19. a second spring; 20. an upper limit column; 21. and a lower limit post.

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.

Referring to fig. 1-4, a die structure for reducing die stamping force comprises an upper machine 1, a lower machine 2 is arranged below the upper machine 1, two symmetrical hydraulic presses 3 are fixedly arranged on the lower surface of the upper machine 1, an upper die holder 4 is fixedly arranged at the output end of the upper machine 3, an upper base plate 5 is fixedly arranged on one side of the upper die holder 4, an upper die 6 is fixedly arranged on one side of the upper base plate 5, a first mounting groove is formed in the center position of the lower surface of the upper die 6, a first punch 7 is movably arranged in the first mounting groove, a second mounting groove is formed in the left side and the right side of the first mounting groove of the upper die 6, a second punch 8 is movably arranged in the second mounting groove, the length of the first punch 7 is larger than that of the second punch 8, a lower die 9 is arranged below the upper die 6, a lower base plate 10 is fixedly arranged on one side of the lower base plate 10, a lower die holder 11 is fixedly arranged on one side of the lower base plate, work piece stamping work is required by the punching machine, a first punch 7 is enabled to be in a required shape, and the first punch 7 is enabled to be in a first punch 8, and the first punch 7 can be enabled to be in a small-free length of the first punch device, and the first punch 7 can be enabled to be greatly reduced if the first punch 7 is required to be in a first punch length, and the second punch 7 is enabled to be in a first punch length is not to be greatly reduced, and the first punch device is required to be in a first punch 7.

Referring to fig. 1, the present utility model is specifically: three cushion blocks 12 are fixedly arranged on one side of the lower die holder 11, blanking is facilitated, the height of the die can be adjusted through the cushion blocks 12 with different heights, and the three cushion blocks 12 are fixedly connected with the lower machine table 2.

Referring to fig. 1 and 2, the present utility model is specifically: four support columns 13 are fixedly arranged between the upper machine table 1 and the lower machine table 2, four linear bearings 14 are fixedly arranged on the upper die holder 4, the upper die holder 4 is slidably arranged outside the support columns 13 through the linear bearings 14, a first spring 15 is fixedly arranged between the linear bearings 14 and the lower machine table 2, the hydraulic machine 3 pushes the upper die holder 4 to move downwards, and the linear bearings 14 squeeze the first spring 15 to deform in a compression mode.

Referring to fig. 2 and 3, the present utility model is specifically: four pressing blocks 16 are fixedly arranged on one side of the upper die holder 4, four guide posts 17 are fixedly arranged on one side of the lower die holder 11, a guide sleeve 18 is slidably arranged on the guide posts 17, a second spring 19 is fixedly arranged between the guide sleeve 18 and the lower die holder 11, the pressing blocks 16 press the guide sleeve 18, the guide sleeve 18 moves downwards along the axis of the guide posts 17, the second spring 19 is compressively deformed, the compression deformation of the first spring 15 and the second spring 19 effectively relieves the pressure in the stamping process, and the buffering capacity of the device is improved.

Referring to fig. 3, the present utility model is specifically: four upper limit posts 20 are fixedly arranged on one side of the upper die holder 4, four lower limit posts 21 are fixedly arranged on one side of the lower die holder 11, and the upper limit posts 20 and the lower limit posts 21 are matched to prevent the hydraulic press 3 from being incorrectly arranged at the die clamping height, so that the upper die 6 is directly extruded to the lower die 9, and the upper die 6 and the lower die 9 are damaged.

Working principle: the work required by the stamping machine for stamping the workpiece into the required shape cannot be changed, as is known from i=f×s, if the stamping force of the die is required to be reduced, only the displacement needs to be increased, the device effectively relieves the pressure in the stamping process by arranging the first punch 7 with a large length on the upper die 6 and arranging the second punch 8 with a small length on both sides of the first punch 7, so that the first punch 7 and the second punch 8 cannot simultaneously contact the workpiece, the maximum stamping force cannot be generated, the corresponding total stamping force of the die is reduced, the hydraulic press 3 is started, the hydraulic press 3 pushes the upper die holder 4 to move downwards, the linear bearing 14 extrudes the first spring 15 to deform in a compression mode, then the pressing block 16 presses the guide sleeve 18, the guide sleeve 18 moves downwards along the axis of the guide post 17, the second spring 19 deforms in a compression mode, the compression mode of the first spring 15 and the second spring 19 effectively relieves the pressure in the stamping process, the buffer capacity of the device is improved, the upper limit post 20 and the lower limit post 21 are matched to prevent the hydraulic press 3 from being set up in a height wrong, the upper die 6 is extruded to the lower die 9, and the upper die 6 and the lower die 6 is damaged.

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.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

Claims (5)

1. The utility model provides a reduce mould structure of mould stamping force, its characterized in that, including last board (1), go up board (1) below and be provided with lower board (2), go up board (1) lower surface fixed mounting has two symmetrical hydraulic press (3), hydraulic press (3) output fixed mounting has upper die base (4), upper die base (4) one side fixed mounting has upper padding plate (5), upper padding plate (5) one side fixed mounting has upper die (6), first mounting groove has been seted up in upper die (6) lower surface central point put, first mounting inslot movable mounting has first drift (7), the second mounting groove has all been seted up to the first mounting groove left and right sides of upper die (6), equal movable mounting has second drift (8) in the second mounting groove, first drift (7) length is greater than second drift (8), upper die (6) below is provided with bed die (9), bed die (10) one side fixed mounting has lower padding plate (10), bed (10) one side fixed mounting has lower die base (11).

2. The die structure for reducing die stamping force according to claim 1, wherein three cushion blocks (12) are fixedly arranged on one side of the lower die holder (11), and the three cushion blocks (12) are fixedly connected with the lower machine table (2).

3. The die structure for reducing die stamping force according to claim 1, wherein four support columns (13) are fixedly arranged between the upper machine table (1) and the lower machine table (2), four linear bearings (14) are fixedly arranged on the upper die holder (4), the upper die holder (4) is slidably arranged outside the support columns (13) through the linear bearings (14), and a first spring (15) is fixedly arranged between the linear bearings (14) and the lower machine table (2).

4. The die structure for reducing die stamping force according to claim 2, wherein four pressing blocks (16) are fixedly arranged on one side of the upper die holder (4), four guide posts (17) are fixedly arranged on one side of the lower die holder (11), guide sleeves (18) are slidably arranged on the guide posts (17), and a second spring (19) is fixedly arranged between the guide sleeves (18) and the lower die holder (11).

5. The die structure for reducing die stamping force according to claim 4, wherein four upper limit posts (20) are fixedly arranged on one side of the upper die holder (4), and four lower limit posts (21) are fixedly arranged on one side of the lower die holder (11).