Pipe bending equipment for bicycle production

By using a drive motor and threaded rod system, combined with a clamping and rotating wheel assembly, stable and automatic bending of bicycle tubing is achieved, solving the problem of low efficiency in existing equipment and improving production efficiency and stability.

CN223616530UActive Publication Date: 2025-12-02GUANGDONG SHUNDE JUNHAO SCI & TECH DEV CO LTD
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Patent Information

Application Number
CN202520262908.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-02
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing bicycle tube bending equipment is inefficient, and manual operation leads to unstable tube bending, affecting production efficiency.

Method used

The system uses a drive motor to drive a positioning threaded rod and a bidirectional threaded rod, which fix the pipe through a clamping assembly. The pipe is automatically bent by a rotating wheel. Combined with the movement of the linkage rod and sliding parts, the system achieves stable and efficient bending of the pipe.

Benefits of technology

It improves the stability and efficiency of pipe bending, ensures that the pipe does not wobble during the bending process, realizes automated operation, and improves production efficiency.

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Abstract

The utility model discloses pipe bending equipment for bicycle production, and relates to the technical field of bicycle production. The bending device comprises a supporting assembly, a clamping assembly and a bending assembly, the supporting assembly comprises a supporting plate, the supporting plate is installed on an external rack, the clamping assembly is installed on the top of the supporting plate, the clamping assembly comprises two clamping plates, the clamping plates are in sliding fit with the supporting plate, sliding blocks are fixedly arranged at the bottoms of the clamping plates, and the clamping plates are arranged on the supporting plate. The bending assembly is installed at the top of the supporting plate and comprises a rotating wheel, the bottom of the rotating wheel is attached to the top of the supporting plate, a rotating rod is fixedly arranged at the bottom of the rotating wheel, a first sliding groove is formed in the top of the supporting plate, the first sliding groove is in sliding fit with the sliding block, a second sliding groove is formed in the top of the supporting plate, and the second sliding groove is in sliding fit with the rotating rod. Through the specific structural design of the supporting assembly, the clamping assembly and the bending assembly, the bending efficiency of the pipe for bicycle production is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of bicycle manufacturing technology, and in particular relates to a tube bending device for bicycle manufacturing. Background Technology

[0002] Bicycle tubing typically undergoes bending during the manufacturing process. The main purpose of this is to achieve a compact frame design and reduce weight. Bending bicycle tubing involves bending the tubing into specific shapes, which makes the frame more compact, reduces unnecessary space occupation, and also reduces overall weight, thereby improving riding flexibility and efficiency.

[0003] Existing bicycle tube bending equipment uses a bending machine to bend the tubes. During the operation, the tubes usually need to be fixed to ensure stability. In reality, many bending operations are performed manually, which greatly reduces the bending efficiency. Therefore, we provide a bicycle tube bending equipment to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a tube bending device for bicycle production. By driving a first motor to rotate a positioning threaded rod, the moving part moves to move a push plate, the sliding part moves to move an L-shaped connecting rod, and the linkage rod moves to move a rotating wheel. At the same time, the rotating wheel rotates on its own axis. During the movement of the rotating wheel, it pushes one end of the tube to move, thereby achieving tube bending. This solves the problem of low efficiency in existing tube bending methods.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model is a tube bending device for bicycle production, including a support assembly, a clamping assembly, and a bending assembly. The support assembly includes a support plate, which is mounted on an external frame. The clamping assembly is mounted on the top of the support plate and includes two clamping plates that slide against the support plate. A slider is fixedly provided at the bottom of the clamping plate. The bending assembly is mounted on the top of the support plate and includes a rotating wheel. The bottom of the rotating wheel is in contact with the top of the support plate, and a rotating rod is fixedly provided at the bottom of the rotating wheel.

[0006] The present invention is further configured such that a first sliding groove is provided on the top of the support plate, the first sliding groove is slidably engaged with the slider, a second sliding groove is provided on the top of the support plate, the second sliding groove is slidably engaged with the rotating rod, a third sliding groove is provided on the top of the support plate, and two positioning plates are fixedly provided on the top of the support plate, one of which is equipped with a first motor on one side.

[0007] The present invention is further configured such that a positioning threaded rod is rotatably arranged between the two positioning plates, the output end of the first motor is fixedly connected to the positioning threaded rod, a U-shaped plate is fixedly arranged on the top of the support plate, a second motor is installed on the outside of the U-shaped plate, a bidirectional threaded rod is rotatably arranged between the U-shaped plates, and the output end of the second motor is fixedly connected to the positioning threaded rod.

[0008] The present invention is further configured such that two baffles are fixedly provided on the top of the support plate, a pipe is placed between the baffles, a limiting plate is fixedly provided on the top of the support plate, a driving cylinder is installed on one side of the limiting plate, a moving plate is fixedly provided at the output end of the driving cylinder, and the moving plate is located between the two baffles.

[0009] The present invention is further configured such that a connecting plate is fixedly provided on the top of the clamping plate, the connecting plate is threadedly engaged with the bidirectional threaded rod, the connecting plate is slidably engaged with the U-shaped plate, the bending assembly further includes a moving part, a connecting block is fixedly provided on the bottom of the moving part, the connecting block is slidably engaged with the third sliding groove, a push plate is fixedly provided on one side of the moving part, a sliding part is slidably provided on the top of the support plate, an L-shaped connecting rod is fixedly provided on the top of the sliding part, a linkage rod is fixedly provided on the bottom of the L-shaped connecting rod, and the linkage rod is rotatably engaged with the rotating wheel.

[0010] The present invention has the following beneficial effects: 1. The present invention drives the second motor to rotate the bidirectional threaded rod, and the two clamping plates move towards each other until the pipe is tightly clamped by the two clamping plates. This process can fix the pipe, prevent the pipe from shaking during bending, and improve the stability of the pipe.

[0011] 2. This utility model drives the first motor to rotate the positioning threaded rod, the moving part moves to move the push plate, the sliding part moves to move the L-shaped connecting rod, the linkage rod moves to move the rotating wheel, and the rotating wheel rotates on its own. During the movement of the rotating wheel, it pushes one end of the pipe to move, thereby realizing the bending of the pipe. This process can realize the automatic bending of the pipe and improve the bending efficiency of the pipe. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of a tube bending device used in bicycle manufacturing.

[0014] Figure 2 for Figure 1 Another structural diagram from a different angle.

[0015] Figure 3 for Figure 2 A schematic diagram of the structure at point A in the middle.

[0016] Figure 4 This is a schematic diagram of the support component in this utility model.

[0017] Figure 5 for Figure 4 The front view of the structure.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1-Support assembly, 101-Support plate, 102-First slide groove, 103-Second slide groove, 104-Third slide groove, 105-Positioning plate, 106-First motor, 107-Positioning threaded rod, 108-U-shaped plate, 109-Second motor, 110-Double threaded rod, 111-Baffle, 112-Limiting plate, 113-Drive cylinder, 114-Moving plate, 2-Clamping assembly, 201-Clamping plate, 202-Slider, 203-Connecting plate, 3-Bending assembly, 301-Rotating wheel, 302-Linkage rod, 303-Moving component, 304-Connecting block, 305-Push plate, 306-Sliding component, 307-L-shaped connecting rod. Detailed Implementation

[0020] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] For a specific implementation example, please refer to Implementation Example 1. Figure 1-5 This utility model is a tube bending device for bicycle production, including a support assembly 1, a clamping assembly 2, and a bending assembly 3. The support assembly 1 includes a support plate 101, which is mounted on an external frame. The clamping assembly 2 is mounted on the top of the support plate 101 and includes two clamping plates 201. The clamping plates 201 are slidably engaged with the support plate 101, and a slider 202 is fixedly provided at the bottom of the clamping plates 201. The bending assembly 3 is mounted on the top of the support plate 101 and includes a rotating wheel 301. The bottom of the rotating wheel 301 is in contact with the top of the support plate 101, and a rotating rod is fixedly provided at the bottom of the rotating wheel 301.

[0022] Specifically, the top of the support plate 101 is provided with a first sliding groove 102, which is slidably engaged with the slider 202. The top of the support plate 101 is provided with a second sliding groove 103, which is slidably engaged with the rotating rod. The top of the support plate 101 is provided with a third sliding groove 104. Two positioning plates 105 are fixedly installed on the top of the support plate 101, and a first motor 106 is installed on one side of one of the positioning plates 105.

[0023] Furthermore, a positioning threaded rod 107 is rotatably arranged between the two positioning plates 105. The output end of the first motor 106 is fixedly connected to the positioning threaded rod 107. A U-shaped plate 108 is fixedly arranged on the top of the support plate 101. A second motor 109 is installed on the outside of the U-shaped plate 108. A bidirectional threaded rod 110 is rotatably arranged between the U-shaped plates 108. The output end of the second motor 109 is fixedly connected to the positioning threaded rod 107. Two baffles 111 are fixedly arranged on the top of the support plate 101. A pipe is placed between the baffles 111. A limit plate 112 is fixedly arranged on the top of the support plate 101. A drive cylinder 113 is installed on one side of the limit plate 112. A moving plate 114 is fixedly arranged at the output end of the drive cylinder 113. The moving plate 114 is located between the two baffles 111.

[0024] The operation process of this embodiment is as follows: In the initial state, the two clamping plates 201 are farthest apart. Then, the pipe to be bent is placed between the two baffles 111, with one end of the pipe in contact with one side of the moving plate 114. Then, the output end of the drive cylinder 113 is controlled to move, which drives the moving plate 114 to move, and the pipe moves until the other end of the pipe moves to the side of the rotating wheel 301. Then, the two clamping plates 201 are controlled to move closer to each other until the pipe is tightly clamped by the two clamping plates 201. Then, the rotating wheel 301 is controlled to move so that the pipe is bent by the rotating wheel 301.

[0025] In the second specific embodiment, based on the first specific embodiment, a connecting plate 203 is fixedly provided on the top of the clamping plate 201. The connecting plate 203 is threadedly engaged with the bidirectional threaded rod 110, and the connecting plate 203 is slidably engaged with the U-shaped plate 108.

[0026] Specifically, the bending assembly 3 also includes a movable part 303. A connecting block 304 is fixedly installed at the bottom of the movable part 303. The connecting block 304 and the third slide groove 104 are slidably engaged. A push plate 305 is fixedly installed on one side of the movable part 303. A sliding part 306 is slidably installed on the top of the support plate 101 (the sliding part 306 and the push plate 305 are connected by bolts). An L-shaped connecting rod 307 is fixedly installed on the top of the sliding part 306. A linkage rod 302 is fixedly installed at the bottom of the L-shaped connecting rod 307. The linkage rod 302 and the rotating wheel 301 are rotatably engaged.

[0027] The operation process of this embodiment is as follows: when the other end of the pipe moves to the side of the rotating wheel 301, the second motor 109 drives the bidirectional threaded rod 110 to rotate, and the two clamping plates 201 move towards each other until the pipe is tightly clamped by the two clamping plates 201. Then, the first motor 106 drives the positioning threaded rod 107 to rotate, the moving part 303 moves and drives the push plate 305 to move, the sliding part 306 moves and drives the L-shaped connecting rod 307 to move, the linkage rod 302 moves and drives the rotating wheel 301 to move. At the same time, the rotating wheel 301 rotates. During the movement of the rotating wheel 301, it pushes one end of the pipe to move, thereby realizing the bending of the pipe.

[0028] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0029] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tube bending device for bicycle manufacturing, characterized in that, include: A support assembly (1) includes a support plate (101) mounted on an external frame; A clamping assembly (2) is installed on the top of the support plate (101). The clamping assembly (2) includes two clamping plates (201). The clamping plates (201) are slidably engaged with the support plate (101). A slider (202) is fixedly provided at the bottom of the clamping plates (201). And a bending assembly (3), which is installed on the top of the support plate (101). The bending assembly (3) includes a rotating wheel (301), the bottom of which is in contact with the top of the support plate (101), and a rotating rod is fixedly provided on the bottom of the rotating wheel (301).

2. The tube bending equipment for bicycle production according to claim 1, characterized in that, The support plate (101) has a first sliding groove (102) on its top, which is slidably engaged with the slider (202). The support plate (101) also has a second sliding groove (103) on its top, which is slidably engaged with the rotating rod.

3. The tube bending equipment for bicycle production according to claim 2, characterized in that, The support plate (101) has a third sliding groove (104) on its top, and two positioning plates (105) are fixedly installed on the top of the support plate (101), one of which has a first motor (106) installed on one side.

4. The tube bending equipment for bicycle production according to claim 3, characterized in that, A positioning threaded rod (107) is rotatably provided between the two positioning plates (105), and the output end of the first motor (106) is fixedly connected to the positioning threaded rod (107). A U-shaped plate (108) is fixedly provided on the top of the support plate (101).

5. A tube bending device for bicycle production according to claim 4, characterized in that, A second motor (109) is installed on the outside of the U-shaped plate (108), and a bidirectional threaded rod (110) is rotatably arranged between the U-shaped plates (108). The output end of the second motor (109) is fixedly connected to the positioning threaded rod (107).

6. The tube bending equipment for bicycle production according to claim 5, characterized in that, Two baffles (111) are fixedly installed on the top of the support plate (101), and a pipe is placed between the baffles (111). A limit plate (112) is fixedly installed on the top of the support plate (101). A driving cylinder (113) is installed on one side of the limiting plate (112), and a moving plate (114) is fixedly installed at the output end of the driving cylinder (113). The moving plate (114) is located between two baffles (111).

7. The tube bending equipment for bicycle production according to claim 6, characterized in that, A connecting plate (203) is fixedly provided on the top of the clamping plate (201). The connecting plate (203) is threadedly engaged with the bidirectional threaded rod (110), and the connecting plate (203) is slidably engaged with the U-shaped plate (108).

8. The tube bending equipment for bicycle production according to claim 7, characterized in that, The bending assembly (3) also includes a movable part (303), a connecting block (304) is fixedly provided at the bottom of the movable part (303), the connecting block (304) slides with the third slide groove (104), and a push plate (305) is fixedly provided on one side of the movable part (303). The support plate (101) has a sliding member (306) slidably disposed on the top, and an L-shaped connecting rod (307) is fixedly disposed on the top of the sliding member (306). A linkage rod (302) is fixedly disposed on the bottom of the L-shaped connecting rod (307). The linkage rod (302) is rotatably engaged with the rotating wheel (301).