Two-way punching die for round pipe

Abstract

The utility model discloses a round pipe bidirectional punching die which comprises an upper male die frame, a lower male die frame, an upper male die and a lower male die, the upper male die frame and the lower male die frame are respectively provided with the upper male die and the lower male die, the mirror image structure of the upper male die is the lower male die, and the mirror image structure of the lower male die is the lower male die. The upper male die comprises a male die fixing plate, a male die body, a clamping sliding body, a positioning groove, a plurality of clamping guide columns and a plurality of springs, the clamping guide columns and the male die body are arranged on the male die fixing plate, the clamping sliding body is arranged on the clamping guide columns in a sliding fit mode, the positioning groove is formed in the lower end of the clamping sliding body, and the springs are arranged in the positioning groove. The clamping sliding body is provided with a male die hole for the male die body to penetrate through, the lower end of the male die hole penetrates through the positioning groove, and a spring is arranged between the clamping sliding body and the male die fixing plate. Compared with the prior art, the working efficiency can be improved, and the manual workload can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of round pipe punching, in particular to a round pipe bidirectional punching die. BACKGROUND

[0002] Round pipe, as a kind of commonly used spare, is widely used in petroleum, chemical industry, medical treatment, food, light industry, machinery and instrument and so on, and in the process of mechanical manufacturing and processing, it is often needed to punch on pipe material.

[0003] Traditional processing mode adopts drilling or milling mode to handle, and these handling modes are too low in efficiency, and cannot satisfy the demand of modern production.

[0004] And known pipe punching die is mainly composed of punch, die core and integral die frame, punching is relatively easy to realize, and the quality of punched product is better, and it is not prone to defects such as flattening and pit, but generally only unilateral punching is realized, when bidirectional punching is needed, it needs to be punched twice to complete, so that the working efficiency is low, and the artificial workload is increased. SUMMARY

[0005] The utility model discloses a kind of round pipe bidirectional punching die, which can improve working efficiency and reduce artificial workload.

[0006] To achieve the above object, the utility model provides a kind of round pipe bidirectional punching die, including upper punch die frame, lower punch die frame, upper punch and lower punch, the upper punch die frame and lower punch die frame are respectively equipped with upper punch and lower punch, the mirror image structure of the upper punch is lower punch, the upper punch includes punch fixed plate, punch body, clamping sliding body, positioning groove, several clamping guide columns and several springs, the punch fixed plate is equipped with clamping guide column and punch body, the clamping sliding body is slidably matched and arranged on clamping guide column, the lower end of the clamping sliding body is equipped with positioning groove, the clamping sliding body is equipped with the punch hole that punch body can pass through, the lower end of the punch hole is through positioning groove, spring is equipped between the clamping sliding body and punch fixed plate.

[0007] As preferred, the upper punch die frame is fixedly connected with the punch fixed plate by bolt, the punch body is arranged on the punch fixed plate, the punch body includes anti-rotation body, the lower end of the anti-rotation body is equipped with punch, and the upper end of the anti-rotation body is equipped with anti-drop body.

[0008] As preferred, the anti-rotation body is equipped with anti-rotation plane.

[0009] As preferred, the working end of the punch is V-shaped structure.

[0010] As preferred, the clamping sliding body is equipped with graphite copper sleeve corresponding to clamping guide column.

[0011] Preferably, the device also includes several positioning guide posts, each with a positioning sleeve fitted at both ends. The upper and lower positioning sleeves are fixed to the upper punch mold frame and the lower punch mold frame, respectively.

[0012] The beneficial effects of this utility model are as follows: By setting an upper punch and a lower punch on the upper punch mold frame and the lower punch mold frame respectively, and the mirror structure of the upper punch is the lower punch, bidirectional punching is achieved. Compared with the prior art, this utility model can improve work efficiency and reduce manual workload.

[0013] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of a bidirectional punching die for a round tube according to this utility model;

[0015] Figure 2 This is a schematic diagram of the punch body.

[0016] In the diagram: 1-Upper punch mold base, 2-Lower punch mold base, 3-Upper punch, 4-Lower punch, 5-Positioning guide post, 6-Positioning sleeve, 31-Punch fixing plate, 32-Punch body, 33-Clamping slide, 34-Positioning groove, 35-Clamping guide post, 36-Spring, 37-Punch hole, 38-Graphite copper sleeve, 321-Anti-rotation body, 322-Punch, 323-Anti-detachment body, 324-Anti-rotation plane. Detailed Implementation

[0017] See Figure 1 , 2 This utility model discloses a bidirectional punching die for round tubes, comprising an upper punch holder 1, a lower punch holder 2, an upper punch 3, and a lower punch 4. The lower punch 4 is a mirror image of the upper punch 3. The upper punch holder 1 and the lower punch holder 2 are respectively provided with the upper punch 3 and the lower punch 4. The upper punch 3 includes a punch fixing plate 31, a punch body 32, a clamping slide 33, a positioning groove 34, a plurality of clamping guide posts 35, and a plurality of springs 36. The punch fixing plate 31 is provided with clamping guide posts 35 and the punch body 32. The clamping slide 33 is slidably fitted on the clamping guide posts 35. The lower end of the clamping slide 33 is provided with a positioning groove 34. The clamping slide 33 is provided with a punch hole 37 through which the punch body 32 can pass. The lower end of the punch hole 37 passes through the positioning groove 34. A spring 36 is provided between the clamping slide 33 and the punch fixing plate 31.

[0018] The springs 36 are respectively sleeved on the corresponding clamping guide posts 35.

[0019] The upper punch die frame 1 is fixedly connected with the punch fixed plate 31 through bolts, the punch body 32 is arranged on the punch fixed plate 31, the punch body 32 comprises an anti-rotation body 321, the lower end of the anti-rotation body 321 is provided with a punch 322, and the upper end of the anti-rotation body 321 is provided with an anti-falling body 323, so that the replacement and maintenance are convenient.

[0020] The anti-rotation body 321 is provided with an anti-rotation plane 324.

[0021] The working end of the punch 322 is of V-shaped structure, stamping pressure is saved.

[0022] The clamping sliding body 33 is provided with graphite copper sleeves 38 corresponding to and matched with the clamping guide columns 35.

[0023] The positioning guide columns 5 are further provided with positioning sleeves 6 matched with the positioning guide columns 5, and the upper positioning sleeves 6 and the lower positioning sleeves 6 are fixed on the upper punch die frame 1 and the lower punch die frame 2 respectively.

[0024] The working process of the utility model is as follows:

[0025] In the working process of the utility model, the circular pipe is placed in the positioning groove 34, the upper punch die frame 1 is driven to move downwards under the action of the press, the upper punch die frame 1 drives the upper punch 3 to press on the lower punch 4 and compress the spring 36, the circular pipe is fixed in the positioning groove 34 through the action force of the spring 36, the upper punch die frame 1 continues to move downwards, at this moment, the punch body 32 is extruded to the center due to the mutual action of forces, so that the external action force received by the upper punch die frame 1 is transmitted to the pipe wall of the circular pipe, and the pipe wall of the circular pipe is forced to punch.

[0026] The above embodiment is used for describing the utility model, and is not used for limiting the utility model, and any simple transformation scheme of the utility model belongs to the protection range of the utility model.

Claims

1. A round tube double-sided piercing die, characterized by: The utility model provides a punch die frame, including upper punch die frame (1), lower punch die frame (2), upper punch (3) and lower punch (4), the mirror image structure of upper punch (3) is lower punch (4), upper punch die frame (1) and lower punch die frame (2) are equipped with upper punch (3) and lower punch (4) respectively, upper punch (3) includes punch fixed plate (31), punch body (32), clamping sliding body (33), positioning groove (34), a plurality of clamping guide posts (35) and a plurality of springs (36), punch fixed plate (31) is equipped with clamping guide post (35) and punch body (32), clamping sliding body (33) is slidably arranged on clamping guide post (35), the lower end of clamping sliding body (33) is equipped with positioning groove (34), clamping sliding body (33) is equipped with the punch hole (37) of the punch body (32) can pass through, the lower end of punch hole (37) penetrates positioning groove (34), and spring (36) is arranged between clamping sliding body (33) and punch fixed plate (31).

2. A round tube double-sided piercing die according to claim 1, characterized in that: Upper punch die frame (1) is fixedly connected with punch fixed plate (31) through bolt, punch body (32) is arranged on punch fixed plate (31), punch body (32) includes anti-rotation body (321), the lower end of anti-rotation body (321) is equipped with punch (322), and the upper end of anti-rotation body (321) is equipped with anti-dropping body (323).

3. A round tube double-sided piercing die according to claim 2, characterized in that: Anti-rotation body (321) is equipped with anti-rotation plane (324).

4. A round tube double piercing die as claimed in claim 2, wherein: The working end of punch (322) is V-shaped structure.

5. A round tube double piercing die as claimed in claim 1, wherein: Clamping sliding body (33) is equipped with graphite copper sleeve (38) corresponding with clamping guide post (35) one by one.

6. A round tube double-sided piercing die according to any one of claims 1 to 5, characterized in that: Still include a plurality of positioning guide posts (5), both ends of positioning guide post (5) are equipped with positioning sleeve (6) matched with it, and the upper positioning sleeve (6) and the lower positioning sleeve (6) are fixed on upper punch die frame (1) and lower punch die frame (2) respectively.

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