Circular tube T-shaped butt joint arc punching die

By designing a T-shaped arc-punching die for round tubes, the problems of low welding quality and low efficiency in the existing technology were solved, realizing efficient double-sided arc-mouth processing and reducing the amount of manual operation.

CN223819452UActive Publication Date: 2026-01-23HANGZHOU HOTA ELECTROMECHANICAL IND CO LTD
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Patent Information

Application Number
CN202520335594.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-23
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

When welding round pipes, the manual flame cutting surface is rough and irregular, which affects the welding quality and efficiency. In addition, the existing arc-punching mold requires manual rotation of the pipe to 90 degrees for double-sided processing, which is inefficient and labor-intensive.

Method used

Design a T-shaped punching die for round pipes, comprising a moving die body and a fixed die body. The die body is equipped with a die cavity and a punching head. Through the cooperation of the die, the double-sided arc opening of the pipe fitting can be punched, reducing manual operation.

Benefits of technology

It improved the welding quality and efficiency of round pipes, reduced manual labor, and achieved efficient double-sided arc processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circular tube T-shaped butt joint arc punching die which comprises a movable die body and a fixed die body, the fixed die body is provided with a die cavity penetrating through the upper end and the lower end of the fixed die body, a movable die installation plate is inserted into the die cavity, the movable die body is arranged at the insertion end of the movable die installation plate, and an arc punching head is arranged at the rear end of the movable die body. An avoiding groove matched with the arc punching head is formed in the rear end of the die cavity, a pipe fitting penetrating hole communicated with the avoiding groove is formed in the rear end of the fixed die body, and compared with the prior art, the working efficiency can be improved, and the manual workload can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of round pipe cutting equipment, in particular to a round pipe T-shaped butt joint arc punching die. BACKGROUND

[0002] At present, when carrying out T-shaped welding processing between metal pipes, the end of the metal pipe is flush, the contact surface between the pipe and the pipe is small, in order to improve the firmness and the appearance of the welding surface, the end of the metal pipe needs to be cut, so that the butt end forms an arc opening, in the prior art, the pipe end arc opening is cut by using a manual flame cutting mode, the cutting surface is rough and has slag, and the cutting surface is irregular, thereby affecting the round pipe welding quality and being low in working efficiency.

[0003] In order to improve the round pipe welding quality and the working efficiency, an arc punching die appears in the prior art, but the arc punching die can only realize one side processing of the round pipe each time, after one arc punching processing is completed, the same end of the round pipe needs to be manually rotated by 90 degrees to punch the arc on the other side, so that the working efficiency needs to be improved and the manual workload needs to be reduced. SUMMARY

[0004] The utility model discloses a kind of round pipe T-shaped butt joint arc punching dies, which can improve working efficiency and reduce manual workload.

[0005] To achieve the above object, the utility model provides a kind of round pipe T-shaped butt joint arc punching die, including movable die body and fixed die body, the fixed die body is equipped with the cavity that penetrates the upper and lower ends of fixed die body, the cavity is inserted with movable die mounting plate, the insertion end of movable die mounting plate is equipped with movable die body, the rear end of movable die body is equipped with arc punching head, the rear end of cavity is equipped with with the arc punching head matched avoidance slot, the rear end of fixed die body is equipped with with the pipe hole of avoidance slot intercommunication.

[0006] Preferably, the rear end of the movable die mounting plate is attached to the rear end of the cavity.

[0007] Preferably, the movable die body is embedded in the movable die mounting plate, the front end of the movable die mounting plate is fixed with a wear-resistant sliding block by bolts, and the front end of the movable die body is fixedly connected with the wear-resistant sliding block by bolts.

[0008] Preferably, the front and rear ends of the movable die body are flush with the front and rear ends of the movable die mounting plate, and the peripheral surface of the movable die body is provided with a positioning plane.

[0009] Preferably, the upper end of the movable die mounting plate is embedded in the backing plate, the upper end of the backing plate is fixed with an upper die seat by bolts, and the upper end of the movable die mounting plate is fixedly connected with the upper die seat by bolts.

[0010] Preferably, the lower end of the fixed mold body is provided with a lower mold base, and the lower mold base is provided with a material dropping hole.

[0011] The beneficial effects of this utility model are as follows: This utility model has a mold cavity that runs through the upper and lower ends of the fixed mold body, a moving mold mounting plate is inserted into the mold cavity, the moving mold body is provided at the insertion end of the moving mold mounting plate, the rear end of the moving mold body is provided with a punching head, the rear end of the mold cavity is provided with a relief groove that cooperates with the punching head, and the rear end of the fixed mold body is provided with a pipe fitting through hole that communicates with the relief groove. Compared with the prior art, this utility model can improve work efficiency and reduce manual workload.

[0012] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0013] Figure 1 This is a cross-sectional structural schematic diagram of a T-shaped butt-jointing punching die for a round tube according to this utility model;

[0014] Figure 2 This is a perspective view of a T-shaped punching die for connecting round tubes according to this utility model;

[0015] Figure 3 This is a side view of the moving model;

[0016] Figure 4 This is a top view of the moving model.

[0017] In the figure: 1-moving mold body, 2-fixed mold body, 3-mold cavity, 4-moving mold mounting plate, 5-punching head, 6-avoiding groove, 7-pipe fitting through hole, 8-bolt, 9-wear-resistant slider, 10-positioning plane, 11-pad plate, 12-upper mold base, 13-lower mold base, 14-drop hole, 15-pipe fitting. Detailed Implementation

[0018] See Figure 1 , Figure 2 , Figure 3 and Figure 4 This utility model discloses a T-shaped punching die for a round tube, comprising a moving die body 1 and a fixed die body 2. The fixed die body 2 is provided with a die cavity 3 extending through both ends of the fixed die body 2. A moving die mounting plate 4 is inserted into the die cavity 3. The moving die body 1 is located at the insertion end of the moving die mounting plate 4. A punching head 5 is provided at the rear end of the moving die body 1. A clearance groove 6 that cooperates with the punching head 5 is provided at the rear end of the die cavity 3. A pipe fitting through hole 7 that communicates with the clearance groove 6 is provided at the rear end of the fixed die body 2.

[0019] The rear end of the moving mold mounting plate 4 is fitted with the rear end of the mold cavity 3.

[0020] The moving mold body 1 is embedded in the moving mold mounting plate 4. The front end of the moving mold mounting plate 4 is fixed with a wear-resistant slider 9 by bolts 8. The front end of the moving mold body 1 is fixedly connected to the wear-resistant slider 9 by bolts 8.

[0021] The front and rear ends of the moving mold body 1 are flush with the front and rear ends of the moving mold mounting plate 4, respectively, and the circumferential surface of the moving mold body 1 is provided with a positioning plane 10.

[0022] The upper end of the moving mold mounting plate 4 is embedded in the pad 11. The upper end of the pad 11 is fixedly provided with the upper mold base 12 by bolts 8. The upper end of the moving mold mounting plate 4 is fixedly connected to the upper mold base 12 by bolts 8.

[0023] The lower end of the fixed mold body 2 is provided with a lower mold base 13, and the lower mold base 13 is provided with a material dropping hole 14.

[0024] The working process of this utility model:

[0025] In the operation of this utility model, a T-shaped punching die for a round pipe is used. The pipe 15 is inserted through the pipe through hole 7, so that the pipe 15 is fitted onto the punching head 5 and presses against the moving die mounting plate 4. Then, the press is started to drive the upper die base 12 to move downward. The upper die base 12 drives the moving die body 1 to move downward through the moving die mounting plate 4. The moving die body 1 drives the punching head 5 to move downward to punch an arc on the lower side wall of the pipe 15. After the lower arc is punched, the press drives the upper die base 12 to move upward. The upper die base 12 drives the moving die body 1 to move upward through the moving die mounting plate 4. The moving die body 1 drives the punching head 5 to move upward to punch an arc on the upper side wall of the pipe 15. After the upper arc is punched, the punching head 5 returns to the initial point under the action of the press.

[0026] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A T-shaped punching die for connecting round tubes, characterized in that: It includes a moving mold body (1) and a fixed mold body (2). The fixed mold body (2) is provided with a mold cavity (3) that runs through the upper and lower ends of the fixed mold body (2). A moving mold mounting plate (4) is inserted into the mold cavity (3). The moving mold body (1) is provided at the insertion end of the moving mold mounting plate (4). A punch head (5) is provided at the rear end of the moving mold body (1). A clearance groove (6) that cooperates with the punch head (5) is provided at the rear end of the mold cavity (3). A pipe fitting through hole (7) that communicates with the clearance groove (6) is provided at the rear end of the fixed mold body (2).

2. The T-shaped butt-joint punching die for round tubes as described in claim 1, characterized in that: The rear end of the moving mold mounting plate (4) is fitted with the rear end of the mold cavity (3).

3. The T-shaped punching die for round tubes as described in claim 1, characterized in that: The moving mold body (1) is embedded in the moving mold mounting plate (4). The front end of the moving mold mounting plate (4) is fixed with a wear-resistant slider (9) by bolts (8). The front end of the moving mold body (1) is fixedly connected to the wear-resistant slider (9) by bolts (8).

4. The T-shaped punching die for round tubes as described in claim 1, characterized in that: The front and rear ends of the moving mold body (1) are flush with the front and rear ends of the moving mold mounting plate (4), and the circumferential surface of the moving mold body (1) is provided with a positioning plane (10).

5. The T-shaped butt-joint punching die for round tubes as described in claim 1, characterized in that: The upper end of the moving mold mounting plate (4) is embedded in the pad plate (11), and the upper end of the pad plate (11) is fixedly provided with the upper mold base (12) by bolts (8). The upper end of the moving mold mounting plate (4) is fixedly connected to the upper mold base (12) by bolts (8).

6. A T-shaped punching die for round tubes as described in any one of claims 1 to 5, characterized in that: The lower end of the fixed mold body (2) is provided with a lower mold base (13), and the lower mold base (13) is provided with a material dropping hole (14).