A special steel tube punching machine for photovoltaic support production

By combining self-centering clamping and spacing adjustment, the problem of unstable steel pipe feeding in photovoltaic bracket production is solved, achieving high-precision stamping and mold stability, thereby improving production efficiency and finished product quality.

CN224586757UActive Publication Date: 2026-08-04TIANJIN EQUIVALENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN EQUIVALENT TECH CO LTD
Filing Date
2025-09-04
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the current production of photovoltaic brackets, the steel pipes lack continuous and reliable limiting in the feeding direction, resulting in large cumulative errors in the hole positions. During the stamping process, workpiece displacement leads to hole misalignment and increased burrs.

Method used

The system employs a clamping assembly and a spacing adjustment assembly. The clamping assembly achieves self-centering clamping through a rotating plate and a bending rod, while the spacing adjustment assembly adjusts the opening width of the clamping block through a connecting column and a plug rod to adapt to steel pipes of different diameters and ensure processing accuracy.

Benefits of technology

It improved processing accuracy and finished product qualification rate, reduced burr generation, extended mold life, and shortened changeover time.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model provides a special steel pipe stamping machine for photovoltaic bracket production, relating to the field of photovoltaic bracket production technology. It includes a stamping machine and a clamping assembly. The clamping assembly includes a horizontal plate fixedly connected to the stamping machine, a support frame fixedly connected to the top of the horizontal plate, a rotating plate rotatably connected to the top of the support frame, a bending rod rotatably connected to the top of the rotating plate, and a clamping block rotatably connected to the top of the bending rod. A spacing adjustment assembly includes a through hole on the rotating plate, a connecting post inserted into the through hole, and a rod fixedly connected to the top of the connecting post. This reduces burr generation and extends mold life, improving overall production efficiency and finished product qualification rate. The spacing adjustment assembly can steplessly adapt to different pipe diameters without changing tooling, significantly shortening changeover time. Stable circumferential clamping can counteract stamping vibration and prevent workpiece displacement.
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Description

Technical Field

[0001] This utility model relates to the field of photovoltaic bracket manufacturing technology, and in particular to a special steel pipe stamping machine for photovoltaic bracket manufacturing. Background Technology

[0002] In the manufacturing process of photovoltaic brackets, steel pipes typically undergo multiple stamping processes such as punching, cutting, and grooving. In existing technologies, steel pipe stamping machines used for photovoltaic bracket production generally use a combination of V-shaped positioning blocks and manual side stops to restrict the freedom of the steel pipes in the width and length directions. The steel pipes lack continuous and reliable limiting in the feeding direction, and rely solely on manual visual adjustment of the side stop position, resulting in inconsistent feeding references and large cumulative errors in hole positions.

[0003] During the stamping process, the impact vibration generated by the downward movement of the machine tool slide will cause the steel pipe to bounce and rotate circumferentially. However, the traditional side stop has no clamping function, which causes the steel pipe to undergo slight displacement in the mold cavity, resulting in problems such as hole misalignment and increased burrs.

[0004] Therefore, this utility model provides a special steel pipe stamping machine for photovoltaic bracket production. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a special steel pipe stamping machine for photovoltaic bracket production.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a special steel pipe stamping machine for photovoltaic bracket production, including a stamping device and a clamping assembly. The clamping assembly includes a horizontal plate fixedly connected to the stamping device, a support frame fixedly connected to the top of the horizontal plate, a rotating plate rotatably connected to the top of the support frame, a bending rod rotatably connected to the top of the rotating plate, and a clamping block rotatably connected to the top of the bending rod.

[0007] A spacing adjustment assembly includes a through hole in a rotating plate, a connecting post inserted inside the through hole, and a plug rod fixedly connected to the top of the connecting post.

[0008] In a preferred embodiment, a second horizontal plate is fixedly connected to the top of the support frame, and the bottom of the clamping block is slidably connected to the second horizontal plate.

[0009] In a preferred embodiment, the bent rod has an insert rod inside, and the insert rod passes through the bent rod, with the outer wall of the insert rod and the inner wall of the bent rod having a clearance fit.

[0010] In a preferred embodiment, the outer side of the workpiece to be processed is in contact with the inside of the clamping block, and the inner sidewall of the clamping block is provided with anti-slip texture, which fits against the outer sidewall of the workpiece to be processed.

[0011] In a preferred embodiment, a driving component is fixedly connected to the top of the horizontal plate. The driving component is a hydraulic cylinder or a pneumatic cylinder, and the driving end of the driving component is rotatably connected to the side wall of the rotating plate via a pin.

[0012] In a preferred embodiment, a damping element is provided at the rotatable connection between the rotating plate and the support frame. The damping element is a rubber pad or a spring washer, and the damping element is sleeved on the outside of the rotating shaft.

[0013] In a preferred embodiment, the connecting post is provided corresponding to the through hole, and the top of the insertion rod has a hemispherical structure.

[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0015] This utility model relates to a special steel pipe stamping machine for photovoltaic bracket production. During operation, the clamping assembly drives the rotating plate to rotate around the support frame, causing the bending rod to swing. This, in turn, causes the clamping block to slide along the horizontal plate, achieving the clamping or releasing of the workpiece. The self-centering structure ensures alignment with the center of the stamping die. During spacing adjustment, the connecting column slides within the through hole of the rotating plate, changing the fulcrum position of the bending rod via the insert rod, thus adjusting the opening of the clamping block to accommodate steel pipes of different diameters. The stamping machine completes the stamping process under stable clamping conditions. This reduces burr generation and extends die life, improving overall production efficiency and finished product qualification rate. It effectively solves the problems of inconsistent feeding references and large cumulative hole position errors caused by manual adjustment of the stop blocks. The spacing adjustment assembly can steplessly adapt to different pipe diameters without changing tooling, significantly shortening changeover time. Stable clamping can counteract stamping vibrations and prevent workpiece displacement. Attached Figure Description

[0016] Figure 1 A perspective view of a special steel pipe stamping machine for photovoltaic bracket production provided by this utility model;

[0017] Figure 2 A schematic diagram of the clamping component structure of a special steel pipe stamping machine for photovoltaic bracket production provided by this utility model;

[0018] Figure 3 A schematic diagram of the horizontal plate structure of a special steel pipe stamping machine for photovoltaic bracket production provided by this utility model;

[0019] Figure 4 A schematic diagram of the bending rod structure of a special steel pipe stamping machine for photovoltaic bracket production provided by this utility model;

[0020] Figure 5 This utility model provides a schematic diagram of the spacing adjustment component of a special steel pipe stamping machine for photovoltaic bracket production.

[0021] Legend:

[0022] 1. Stamping machine;

[0023] 2. Clamping assembly; 21. Horizontal plate one; 22. Support frame; 23. Rotating plate; 24. Bending rod; 25. Horizontal plate two; 26. Clamping block; 27. Drive motor;

[0024] 3. Spacing adjustment component; 31. Through hole; 32. Insert rod; 33. Connecting post;

[0025] 4. Parts to be processed. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figure 1 - Figure 4 As shown, this embodiment provides a technical solution: a special steel pipe stamping machine for photovoltaic bracket production, including a stamper 1 and a clamping assembly 2. The clamping assembly 2 includes a horizontal plate 21 fixedly connected to the stamper 1. A support frame 22 is fixedly connected to the top of the horizontal plate 21. A rotating plate 23 is rotatably connected to the top of the support frame 22. A bending rod 24 is rotatably connected to the top of the rotating plate 23. A clamping block 26 is rotatably connected to the top of the bending rod 24. A horizontal plate 25 is fixedly connected to the top of the support frame 22. The bottom end of the clamping block 26 is slidably connected to the clamping block 26. The outer side of the workpiece 4 to be processed is in contact with the inside of the clamping block 26. A drive motor 27 is fixedly connected to the top of the horizontal plate 21. The drive end of the drive motor 27 is fixedly connected to the rotating plate 23.

[0028] The stamping press 1 provides stamping power for the entire machine tool, completing the punching, grooving, or partial forming of the steel pipe. The model of the stamping press 1 is JH21. The horizontal plate 21 serves as the mounting base for the clamping assembly 2, directly fixed to the stamping press 1 to form a reference surface. The support frame 22 raises the rotating plate 23 to a suitable height with the working surface of the stamping press 1 and provides a pivot point for rotation, so that the clamping matches the outer side of the workpiece 4 to be processed, reducing the additional bending moment caused by the height difference and extending the mold life. The rotating plate 23 rotates around the top of the support frame 22, becoming the mechanism for the bending rod 24 and the spacing adjustment assembly 3. The moving platform can quickly complete the loading, repositioning and clamping actions by changing the swing angle. One end of the bending rod 24 is hinged to the rotating plate 23, and the other end is hinged to the clamping block 26, forming a lever amplification mechanism. The clamping block 26 directly hugs the workpiece 4 to be processed, ensuring the stability of the workpiece 4 being clamped. The horizontal plate 25 is fixed to the top of the support frame 22, providing a sliding guide surface for the clamping block 26, ensuring that the clamping block 26 can only move in a straight line, preventing deviation during the sliding process, and ensuring the accuracy of clamping. The clamping assembly 2 uses the rotating plate 23 as the driving object to provide swing power.

[0029] like Figure 1 and Figure 4 As shown, the spacing adjustment component 3 includes a through hole 31 fixedly connected to the rotating plate 23, a connecting post 33 inserted inside the through hole 31, a plug rod 32 fixedly connected to the top of the connecting post 33, and a bending rod 24 disposed inside the plug rod 32.

[0030] The through hole 31 restricts the sliding direction of the connecting post 33. The connecting post 33 slides in the through hole 31, and the insert rod 32 transmits the displacement to the bending rod 24, forming a linkage, which makes the various structures compact and reduces the number of parts. The contact and cooperation between the workpiece 4 and the clamping block 26, and the fitting of the inner cavity contour of the clamping block 26 with the outer diameter of the steel pipe, achieves precise positioning, avoids workpiece rotation or slippage during stamping, and ensures hole position accuracy and consistency.

[0031] Working principle:

[0032] like Figure 1 - Figure 5 As shown:

[0033] In use: First, the drive motor 27 starts, and its drive end drives the rotating plate 23 to swing around the rotation fulcrum at the top of the support frame 22. Then, the swing of the rotating plate 23 drives the bending rod 24, which is hinged to its top, to swing synchronously. Since the bending rod 24, the rotating plate 23, and the clamping block 26 are all hinged, the swing of the bending rod 24 drives the clamping block 26 to slide linearly along the guide rail surface of the horizontal plate 25, so that the clamping blocks 26 move closer or further apart, realizing the clamping or releasing of the workpiece 4 to be processed, ensuring that the axis of the workpiece 4 to be processed coincides with the center of the stamping die 1. When it is necessary to adapt to different diameters of workpieces to be processed... When processing part 4, the connecting column 33 is first pushed to slide in the through hole 31 of the rotating plate 23. Then, the connecting column 33 drives the top insert rod 32 to move synchronously. The insert rod 32 cooperates with the bending rod 24. The displacement of the insert rod 32 changes the position of the swing fulcrum of the bending rod 24, thereby adjusting the maximum opening of the clamping block 26. This allows the same machine tool to clamp steel pipes of different diameters without changing the tooling. During processing, the stamper 1 first provides stamping power. Under the state of the clamping assembly 2 stably clamping the workpiece 4, the stamping end of the stamper 1 acts on the workpiece 4 to complete the stamping process of the workpiece 4.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A punch machine for the production of special steel tubes for photovoltaic supports, comprising a puncher (1), characterized by the fact that, It also includes a clamping assembly (2), which includes a horizontal plate (21) fixedly connected to the punch (1), a support frame (22) fixedly connected to the top of the horizontal plate (21), a rotating plate (23) rotatably connected to the top of the support frame (22), a bending rod (24) rotatably connected to the top of the rotating plate (23), and a clamping block (26) rotatably connected to the top of the bending rod (24). The spacing adjustment component (3) includes a through hole (31) on the rotating plate (23), a connecting post (33) is inserted inside the through hole (31), and a plug rod (32) is fixedly connected to the top of the connecting post (33).

2. A special steel tube punching machine for photovoltaic support production according to claim 1, characterized in that: The top of the support frame (22) is fixedly connected to a horizontal plate (25), and the bottom of the clamping block (26) is slidably connected to the horizontal plate (25).

3. The special steel tube punching machine for photovoltaic support production according to claim 1, characterized in that: The bending rod (24) has an insert rod (32) inside, which passes through the bending rod (24) and the outer wall of the insert rod (32) is clearance-fitted with the inner wall of the bending rod (24).

4. The special steel tube punching machine for photovoltaic support production according to claim 1, characterized in that: The outer side of the workpiece (4) is in contact with the inside of the clamping block (26). The inner sidewall of the clamping block (26) is provided with anti-slip texture, which is in contact with the outer sidewall of the workpiece (4).

5. A special steel tube punching machine for photovoltaic support production according to claim 1, characterized in that: A drive motor (27) is fixedly connected to the top of the horizontal plate (21), and the drive end of the drive motor (27) is rotatably connected to the side wall of the rotating plate (23) via a pin.

6. A special steel tube punching machine for photovoltaic support production according to claim 1 characterized in that: A damping element is provided at the rotational connection between the rotating plate (23) and the support frame (22). The damping element is a rubber pad or a spring washer, and the damping element is sleeved on the outside of the rotating shaft.

7. A special steel tube punching machine for photovoltaic support production according to claim 1 characterized in that: The connecting post (33) is adapted to the through hole (31), and the top end of the insert (32) is a hemispherical structure.