CN216989507U - Stamping die convenient to drawing of patterns - Google Patents

Abstract

The utility model discloses a stamping die convenient for demolding, which comprises an upper die base and a lower die base, wherein the upper die base is positioned right above the lower die base, a fixed base is arranged inside the upper die base, the bottom end of the fixed base is fixedly connected with an installation base, the bottom end of the installation base is fixedly connected with a bending punch, a demolding block is movably sleeved outside the installation base, a demolding spring is fixedly connected to the bottom end of the inner wall of the demolding block, the upper die base comprises an upper mounting plate, a connecting frame and a lower mounting frame, and the connecting frame is connected to the bottom end of the upper mounting plate. According to the utility model, by utilizing the arrangement mode that the upper die base and the stripping block are matched, the stripping block presses a part on the lower die, so that the part is prevented from jumping or displacing under stress, after stamping is finished, the upper die base is lifted up and faces the direction of the part through the elasticity of the stripping block by the stripping spring, so that the stripping block can perform auxiliary stripping on the part, the part is prevented from being clamped on a punch head, and after stamping is finished, the stripping block can move downwards for stripping, so that the stripping is more convenient and faster.

Description

A stamping die for easy demoulding

technical field

The utility model relates to the field of stamping dies, in particular to a stamping die which is convenient for demoulding.

Background technique

When bending sheet metal parts, the parts are generally first placed on the lower die, and then the punch head is moved down by the hydraulic cylinder, so that the punch head punches the sheet metal parts, and realizes the cutting of the sheet metal parts. However, after the stamping is completed, the bending part of the metal plate-shaped part is easy to be stuck on the stamping head, and it is necessary to manually demold the part and the stamping head, so that the demoulding of the part is not flexible and convenient.

Utility model content

The purpose of the present invention is to provide a stamping die that is easy to demould, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a stamping die for easy demoulding, comprising an upper die seat and a lower die seat, the upper die seat is located directly above the lower die seat, and the upper die seat is There is a fixed seat inside, the bottom end of the fixed seat is fixedly connected with a mounting seat, the bottom end of the mounting seat is fixedly connected with a bending punch, the outer movable sleeve of the mounting seat is provided with a stripping block, the The bottom end of the inner wall of the stripping block is fixedly connected with a stripping spring;

The upper die base includes an upper mounting plate, a connecting frame and a lower mounting frame, the connecting frame is fixedly connected to the bottom end of the upper mounting plate, and the lower mounting frame is fixedly connected to the bottom end of the connecting frame.

Preferably, the stripping block is in the shape of an inverted figure, and the stripping block is connected with the lower mounting frame in a sliding and interpenetrating manner.

Preferably, the mounting seat is provided with a through hole, the stripping spring is located in the inner cavity of the through hole, and the top end of the stripping spring is fitted with the bottom end of the fixing seat.

Preferably, the inner movable sleeve of the stripping spring is provided with a first limiting rod, the bottom end of the first limiting rod is fixedly connected with the bottom end of the inner wall of the stripping block, and the interior of the fixing seat is provided with a limiting rod The top of the first limit rod is connected with the inner cavity of the limit hole by sliding and inserting.

Preferably, the bottom end of the lower mold base is fixedly connected with a base, and the top of the lower mold base is fixedly mounted with a lower mold spacer.

Preferably, a limit chute is provided inside the lower die base, a reset block is slidably connected to the inside of the limit chute, and a top end of the reset block is fixedly connected with an ejector rod, and the ejector rod is connected to the lower part. The module spacer slides through and connects.

Preferably, both sides of the reset block end are fixedly connected with a reset spring, the inner movable sleeve of the reset spring is provided with a second limit rod, and the top end of the second limit rod is fixedly connected with the bottom end of the reset block , the second limit rod is connected with the base through sliding and insertion.

Technical effects and advantages of the present utility model:

(1) The utility model utilizes the setting mode of the upper die base and the stripping block, and the part is pressed on the lower die by the stripping block to prevent the part from jumping or displacement under force. After the stamping is completed, the upper die base rises and passes through the stripping. The elasticity of the spring to the stripping block makes the stripping block face the direction of the part to assist in demoulding the part to prevent the part from being stuck on the punch, so that after the stamping is completed, the stripping block will move down and demould, so that the mold is released. more convenient;

(2) The present utility model utilizes the setting method in which the stripping block and the lower mounting frame are matched, and both ends of the top of the stripping block are provided with flanging parts, which are convenient to cooperate with the lower mounting frame. The flanging part is limited, and the traditional screw-fixed structure is abandoned, which is easier to process, the structure is more compact and simple, and the maintenance is convenient.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic diagram of the internal front structure of the utility model.

Figure 3 is a schematic diagram of the internal front structure of the upper die seat of the present invention.

4 is a schematic view of the side structure of the upper die seat of the present invention.

In the figure: 1. Upper die seat; 101. Upper mounting plate; 102. Connecting frame; 103. Lower mounting frame; 2. Fixed seat; 3. Mounting seat; 4. Stripping block; 5. Stripping spring; 6. The first limit rod; 7, the bending punch; 8, the lower die seat; 9, the base; 10, the reset block; 11, the reset spring; 12, the second limit rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a stamping die that is easy to demould as shown in Figs. There is a fixed seat 2 inside, through which the position of the top end of the stripping spring 5 can be limited to avoid the upward movement of the top of the stripping spring 5. The bottom end of the fixed seat 2 is fixedly connected with the mounting seat 3. The seat 3 is convenient for the installation of the bending punch 7. The bottom end of the mounting seat 3 is fixedly connected with the bending punch 7, which facilitates the punching of the parts through the bending punch 7. The outer movable sleeve of the mounting seat 3 is provided with a stripping block. 4. The stripping block 4 is in an upside-down shape. The stripping block 4 is connected to the lower mounting frame 103 by sliding and interpenetrating. The two ends of the top of the stripping block 4 are provided with flanges, which are convenient to cooperate with the lower mounting frame 103. The lower mounting frame 103 can limit the flanging part of the stripping block 4, abandoning the traditional screw-fixed structure, which is easier to process, has a smaller and simpler structure, and is easy to maintain. The bottom end of the inner wall of the stripping block 4 is fixedly connected with a stripping spring. 5. The stripping spring 5 is in a compressed state, which is convenient to elastically support the position of the stripping block 4, so that the flanging part of the stripping block 4 can fit with the lower mounting frame 103, so that the stripping block 4 is opposite to the upper die base 1 The position is more stable, the mounting seat 3 is provided with a through hole, the stripping spring 5 is located in the inner cavity of the through hole, and the top end of the stripping spring 5 is in contact with the bottom end of the fixed seat 2.

The inner movable sleeve of the stripping spring 5 is provided with a first limit rod 6, and the bottom end of the first limit rod 6 is fixedly connected with the bottom end of the inner wall of the stripping block 4, and a limit hole is set in the interior of the fixed seat 2, and the first The top of the limit rod 6 is slidably connected to the inner cavity of the limit hole, and the first limit rod 6 is convenient to limit the sliding of the stripping block 4, so that the movement of the stripping block 4 is more stable, and it is also convenient for The deformation of the stripping spring 5 is limited, and it is convenient to provide movement space for the insertion of the first limit rod 6 through the limit hole.

The upper die base 1 includes an upper mounting plate 101, a connecting frame 102 and a lower mounting frame 103. The inner diameter of the lower mounting frame 103 is smaller than the inner diameter of the connecting frame 102, so that the flanging part of the stripping block 4 can be limited, and the connecting frame 102 It is fixedly connected to the bottom end of the upper mounting plate 101, and the lower mounting frame 103 is fixedly connected to the bottom end of the connecting frame 102. The connecting frame 102 is a mouth-shaped structure, which is convenient to form a cavity structure inside the upper die base 1, so as to facilitate the removal of The material block 4 is installed inside the upper die base 1, so that the stripping block 4 is inserted into the lower installation frame 103, and then the relative positions between the upper installation plate 101, the connecting frame 102 and the lower installation frame 103 are installed and fixed, so that The flanging part of the stripping block 4 can be installed inside the upper die base 1 .

The bottom end of the lower die base 8 is fixedly connected with the base 9, and the top of the lower die base 8 is fixedly installed with a lower die spacer, which is convenient to control the bending shape of the parts. A reset block 10 is slidably connected inside the position chute. When the bending punch 7 bends the part, the concave part of the part will push down the ejector rod, so that the reset block 10 is in the limit chute. The cavity moves downward to squeeze the reset spring 11, and then the reset block 10 can be lifted by the elastic force of the deformed reset spring 11 to facilitate the demoulding of the product. The top of the reset block 10 is fixedly connected with a top material. The rod, the ejector rod and the lower die block are slidingly and insertedly connected, both sides of the reset block 10 are fixedly connected with a reset spring 11, and the inner movable sleeve of the reset spring 11 is provided with a second limit rod 12. The second limit rod 12 The top end is fixedly connected with the bottom end of the reset block 10 , and the second limit rod 12 is connected with the base 9 by sliding and inserting.

The working principle of the utility model:

First, put the parts on the lower die spacer on the lower die base 8, and then drive the upper die base 1 to move down through the external hydraulic cylinder, so that the upper die base 1 can drive the bending punch 7 to move toward the part. The parts are bent in the direction of movement, and the parts are bent through the cooperation between the bending punch 7 and the lower die pad. The mounting frame 103 moves up, the stripping spring 5 is further compressed, and the part is pressed on the lower die by the stripping block 4 to prevent the part from jumping or displacement due to force. The elasticity of the block 4 makes the stripping block 4 face the direction of the part to assist in demoulding the part and prevent the part from being stuck on the punch.

Finally, it should be noted that the above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Although the present utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, its It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be Included within the scope of protection of the present invention.

Claims (7)

1. A stamping die convenient for demolding comprises an upper die base (1) and a lower die base (8), wherein the upper die base (1) is located right above the lower die base (8), and is characterized in that a fixed base (2) is arranged inside the upper die base (1), the bottom end of the fixed base (2) is fixedly connected with a mounting base (3), the bottom end of the mounting base (3) is fixedly connected with a bending punch (7), a stripping block (4) is movably sleeved outside the mounting base (3), and the bottom end of the inner wall of the stripping block (4) is fixedly connected with a stripping spring (5);

the upper die base (1) comprises an upper mounting plate (101), a connecting frame (102) and a lower mounting frame (103), the connecting frame (102) is fixedly connected to the bottom end of the upper mounting plate (101), and the lower mounting frame (103) is fixedly connected to the bottom end of the connecting frame (102).

2. The stamping die convenient for demolding as claimed in claim 1, wherein the stripper block (4) is in an inverted.

3. The stamping die convenient to demold according to claim 1, wherein the mounting seat (3) is provided with a through hole, the stripping spring (5) is located in an inner cavity of the through hole, and a top end of the stripping spring (5) is attached to a bottom end of the fixing seat (2).

4. The stamping die convenient to demold according to claim 1, wherein the inner movable sleeve of the stripping spring (5) is provided with a first limiting rod (6), the bottom end of the first limiting rod (6) is fixedly connected with the bottom end of the inner wall of the stripping block (4), the fixing seat (2) is provided with a limiting hole inside, and the top of the first limiting rod (6) is slidably inserted into the inner cavity of the limiting hole.

5. The stamping die convenient for demolding as claimed in claim 1, wherein the bottom end of the lower die base (8) is fixedly connected with a base (9), and a lower die cushion block is fixedly mounted at the top of the lower die base (8).

6. The stamping die convenient to demold according to claim 1, wherein a limiting sliding groove is formed in the lower die base (8), a reset block (10) is slidably connected to the limiting sliding groove, an ejector rod is fixedly connected to the top end of the reset block (10), and the ejector rod is slidably inserted into the lower die cushion block.

7. The stamping die convenient to demold as defined in claim 6, wherein both sides of the end of the reset block (10) are fixedly connected with a reset spring (11), the inside of the reset spring (11) is movably sleeved with a second limiting rod (12), the top end of the second limiting rod (12) is fixedly connected with the bottom end of the reset block (10), and the second limiting rod (12) is slidably inserted into the base (9).

Images