Bending-angle-controllable bending device for electric bicycle frame machining

By simplifying the adjustment of the bending angle through the design of the angle adjustment structure and the connecting rod slider, the problem of complex operation of existing devices is solved, and precise control and efficient bending are achieved.

CN223847850UActive Publication Date: 2026-01-30HANGZHOU XIAOSHAN QILING MACHINERY
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Patent Information

Application Number
CN202423317608.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing bending equipment involves complex operations to change the bending angle by replacing the upper and lower dies, making it difficult to achieve precise control and efficient adjustment.

Method used

An angle adjustment structure is adopted, including a rotating screw, a moving part, and a rotating plate. By rotating the screw, the moving part slides, and the included angle of the rotating plate is adjusted. Combined with a connecting rod, a slider, and a push block, controllable bending of the pipe can be achieved.

Benefits of technology

It simplifies the process of adjusting the bending angle, improves operational efficiency and equipment applicability, and enables precise control of the bending angle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bending device with a controllable bending angle for machining an electric bicycle frame, which belongs to the technical field of bending devices and comprises an equipment main body, the equipment main body comprises a base, and the base is provided with two arc grooves and a moving groove; the bending structure is mounted on the base; the angle adjusting structure comprises a rotating screw rod, a moving part and a rotating plate, the rotating plate is movably arranged in the arc groove, the moving part is slidably arranged in the moving groove, the moving part is in threaded connection with the rotating screw rod, the rotating plate is provided with a rotating groove, and the moving part is movably arranged in the rotating groove; according to the bending machine, the angle adjusting structure is arranged, firstly, a worker rotates the rotating screw rod to drive the moving piece to slide in the moving groove, the moving piece drives the pair of rotating plates to rotate at the same time so that the included angle between the pair of rotating plates can be increased or decreased, the worker can adjust the bending angle according to actual requirements, operation is easy, and working efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of bending devices, specifically relating to a bending device for processing electric bicycle frames with controllable bending angle. Background Technology

[0002] Electric bicycles are a new type of personal transportation that combines the lightness of traditional bicycles with the power of electric motors, providing users with an environmentally friendly and portable way to travel. The frame of an electric bicycle is the basic structural component, which bears important functions such as supporting the weight of the entire vehicle, maintaining vehicle stability, and withstanding various forces during riding.

[0003] During the frame manufacturing process, workers first cut the materials into preliminary tubing or sheet metal; then, they use a bending device to bend the tubing into the required shape and angle, and then assemble the bent tubing into a frame structure through welding or other connection methods; finally, the frame structure is finished through deburring, grinding and other finishing processes.

[0004] The precise bending angle directly affects the durability and safety of the frame structure. Existing bending devices mainly consist of a base, an upper die, and a lower die. The upper die is movably mounted on the base, while the lower die is fixed to the base. After activation, the upper die moves towards the lower die to bend the tube between them. As a result, the shape and size of the upper and lower dies determine the final shape and bending angle of the tube. If the bending angle needs to be changed, the upper and lower dies need to be replaced, which is a relatively complex operation. Therefore, a bending device with controllable bending angle for electric bicycle frame processing is needed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a bending device for processing electric bicycle frames with controllable bending angle, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bending device for processing electric bicycle frames with controllable bending angle, comprising:

[0007] The equipment body includes a base, the base having two arc grooves and a moving groove, the two arc grooves being symmetrically distributed about the axis of the moving groove.

[0008] A bending structure, wherein the bending structure is mounted on the base;

[0009] The angle adjusting structure comprises a rotating screw, a moving piece and rotating plates, one end of the rotating plates is rotatably and obliquely installed on the base, the other end of the rotating plates is movably arranged in the arc-shaped groove, the axial oblique angle of the rotating plates is consistent with the rotating screw, the rotating screw is rotatably installed on the base, the moving piece is slidably arranged in the moving groove, the moving piece is threadedly connected with the rotating screw, the opposite side of the rotating plates is provided with a rotating groove, and the two ends of the moving piece are movably arranged in the rotating groove.

[0010] As a preferred scheme, the device body further comprises a fixed slide rail, and the bending structure comprises a pushing block, the fixed slide rail and the pushing block are both provided with a pair, the fixed slide rails are installed on the base in parallel and are symmetrically distributed around the axial direction of the rotating screw, and the pushing block is slidably arranged in the fixed slide rail.

[0011] As a preferred scheme, the bending structure further comprises a connecting rod, a sliding block, a rotating rod and a connecting rod, the connecting rod, the sliding block and the rotating rod are all provided with a pair, the sliding block is slidably arranged in the fixed slide rail, the sliding block is arranged on the end face of the pushing block away from the rotating plate, one end of the connecting rod is rotatably connected with one end of the rotating rod, the other end of the connecting rod is rotatably connected with the pushing block, the other end of the rotating rod is rotatably connected with the sliding block, and the two ends of the connecting rod are respectively connected with the ends of the rotating rods away from the sliding block.

[0012] As a preferred scheme, the bending structure further comprises a pair of loading blocks, the pushing block is provided with a sliding groove on the side face away from the sliding block, one end of the loading block is slidably arranged in the sliding groove, the other end of the loading block is provided with a loading groove and a loading ring, the inner wall of the loading groove is in a circular arc shape, and the inner wall of the loading ring faces the inner wall of the loading groove.

[0013] As a preferred scheme, the bending structure further comprises a pair of locking columns, the pushing block is provided with a first locking hole at one end forming the sliding groove, the loading block is provided with a plurality of second locking holes at one end slidably connected with the sliding groove, the first locking hole and the second locking hole have the same diameter, and the locking columns are inserted into the first locking hole and the second locking hole.

[0014] As a preferred scheme, the device body further comprises a pair of stop blocks and a pneumatic cylinder, the fixed slide rail is provided with a moving hole at one end away from the rotating plate for the stop block to slide, the pneumatic cylinder is installed on the base, and the output shaft of the pneumatic cylinder is connected with the stop blocks.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses, through setting up angle adjustment structure, angle adjustment structure includes rotation screw rod, moving piece and rotation board, and one end of rotation board can be installed to the base of inclination rotatably, and the other end of rotation board is movably placed in arc groove, and rotation screw rod is rotatably installed to the base, and moving piece is slidably placed in moving groove, and moving piece is with rotation screw rod screw connection, and rotation board has with rotation groove, and the both ends of moving piece are movably placed in with rotation groove, worker rotates rotation screw rod, and then drives the moving piece of with rotation screw rod screw connection and slides in moving groove, and the moving piece of sliding drives a pair of rotation board and rotates simultaneously, to make the included angle between a pair of rotation board increase or reduce, and the worker can adjust the bending angle according to actual demand, and the operation is simple, and the working efficiency is improved.

[0017] The utility model discloses, through setting up connecting rod, sliding block, rotation rod and connecting rod, sliding block is slidably placed in fixed slide rail, and the end face of sliding block is placed in the push block far from rotation board, and one end of connecting rod is rotatably connected with one end of rotation rod, and the other end of connecting rod is rotatably connected with push block, and the other end of rotation rod is rotatably connected with sliding block, and the both ends of connecting rod are connected to the end of a pair of rotation rods far from sliding block respectively, worker pulls connecting rod, drives rotation rod and rotates, and push block moves towards the direction of rotation board, and the end of pipe material contacted with rotation board is bent by rotation board by the moving push block, to realize the purpose of pipe material bending, in addition, the worker can also change the bending angle of pipe material by adjusting the rotation angle of connecting rod, and the applicability degree of equipment is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the plane view of the utility model;

[0020] Figure 3 It is the partial explosion view of one angle of the utility model;

[0021] Figure 4 It is the partial close-up view of A portion of the utility model; Figure 3

[0022] Figure 5 It is the partial explosion view of another angle of the utility model;

[0023] ​In the figure: 1, the device main body; 11, the base; 111, the arc groove; 112, the moving groove; 12, the fixed slide rail; 121, the moving mouth; 13, the stop block; 14, the air cylinder; 2, the bending structure; 21, the push block; 211, the sliding groove; 212, the first locking hole; 22, the connecting rod; 23, the sliding block; 24, the rotating rod; 25, the connecting rod; 26, the loading block; 261, the loading groove; 262, the solid material ring; 263, the second locking hole; 27, the locking column; 3, the angle adjusting structure; 31, the rotating screw; 32, the moving piece; 33, the rotating plate; 331, the rotating groove. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the embodiments.

[0025] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvement of the method of the utility model under the concept of the utility model belongs to the range of the utility model.

[0026] Please refer to Figures 1-5 The utility model provides a bending device for electric bicycle frame processing of controllable bending angle, comprising:

[0027] The device main body 1 includes the base 11, the base 11 has two arc grooves 111 and the moving groove 112, and the two arc grooves 111 are symmetrically distributed with the axial direction of the moving groove 112 as the center.

[0028] The bending structure 2 is installed on the base 11.

[0029] The angle adjusting structure 3 includes the rotating screw 31, the moving piece 32 and the rotating plate 33, the rotating plate 33 is provided with a pair, one end of the pair of rotating plates 33 is rotatably and obliquely installed on the base 11, the other end of the rotating plate 33 is movably placed in the arc groove 111, and the inclination angle of the pair of rotating plates 33 and the rotating screw 31 is consistent, the rotating screw 31 is rotatably installed on the base 11, the moving piece 32 is slidably placed in the moving groove 112, the moving piece 32 is threadedly connected with the rotating screw 31, and the opposite side surface of the pair of rotating plates 33 has the rotating groove 331, and the two ends of the moving piece 32 are movably placed in the rotating groove 331.

[0030] The device main body 1 further includes the fixed slide rail 12, the bending structure 2 includes the push block 21, and the fixed slide rail 12 and the push block 21 are both provided with a pair, the pair of fixed slide rails 12 are installed on the base 11 in parallel with each other and symmetrically distributed with the axial direction of the rotating screw 31 as the center, and the push block 21 is slidably arranged on the fixed slide rail 12.

[0031] The bending structure 2 further comprises a pair of connecting rods 22, a pair of sliding blocks 23 and a pair of rotating rods 24, the sliding blocks 23 are slidably arranged on the fixed slide rail 12 and are arranged on the end face of the pushing block 21 away from the rotating plate 33, one end of the connecting rod 22 is rotationally connected with one end of the rotating rod 24, the other end of the connecting rod 22 is rotationally connected with the pushing block 21, the other end of the rotating rod 24 is rotationally connected with the sliding block 23, and two ends of the connecting rod 25 are respectively connected with the ends of the pair of rotating rods 24 away from the sliding block 23.

[0032] The bending structure 2 further comprises a pair of loading blocks 26, the pushing block 21 is provided with a sliding groove 211 on the side face away from the sliding block 23, one end of the loading block 26 is slidably arranged in the sliding groove 211, and the other end of the loading block 26 is provided with a loading groove 261 and a loading ring 262, the inner wall of the loading groove 261 is in an arc shape, and the inner wall of the loading ring 262 faces the inner wall of the loading groove 261.

[0033] The bending structure 2 further comprises a pair of locking columns 27, the pushing block 21 is provided with a first locking hole 212 on the end forming the sliding groove 211, the loading block 26 is provided with a plurality of second locking holes 263 arranged at intervals on the end slidably connected with the sliding groove 211, the first locking hole 212 and the second locking hole 263 have the same hole diameter, and the locking column 27 is inserted into the first locking hole 212 and the second locking hole 263.

[0034] The equipment body 1 further comprises a pair of stop blocks 13 and a cylinder 14, the fixed slide rail 12 is provided with a moving hole 121 for the stop block 13 to slide on the end away from the rotating plate 33, the cylinder 14 is installed on the base 11, and the output shaft of the cylinder 14 is connected with the pair of stop blocks 13.

[0035] The working principle and use process of the utility model are as follows:

[0036] Firstly, the worker rotates the rotating screw 31, and then drives the moving piece 32 in threaded connection with the rotating screw 31 to slide in the moving groove 112, the sliding moving piece 32 drives the pair of rotating plates 33 to rotate simultaneously, so that the included angle between the pair of rotating plates 33 is increased or reduced, the worker can adjust the bending angle according to actual needs, the operation is simple, and the working efficiency is improved.

[0037] The worker rotates the rotating screw 31 to adjust the angle, which in turn causes the moving part 32, which is threadedly connected to the rotating screw 31, to slide in the moving groove 112. The sliding moving part 32 causes a pair of rotating plates 33 to rotate simultaneously, so that the included angle between the pair of rotating plates 33 increases or decreases. The worker can adjust the bending angle according to actual needs. The operation is simple and the work efficiency is improved. After completion, the worker places the pipe to be bent in the loading groove 261, and then moves a pair of loading blocks 26 so that the two ends of the pipe abut against a pair of fixing rings 262. Subsequently, the worker inserts the locking pin 27 into the first locking hole 212 and the second locking hole 263.

[0038] After the pipe is fixed, the cylinder 14 drives the stop block 13 in the moving port 121 to move toward the rotating plate 33; the moving stop block 13 pushes the slider 23 and the push block 21 that is in contact with the slider 23 to also move toward the rotating plate 33, until the pipe fixed on the push block 21 is in contact with the end of the rotating plate 33.

[0039] Then, the worker pulls the connecting rod 25, causing a pair of rotating rods 24 connected to the connecting rod 25 to rotate, which in turn causes the push block 21, which is rotatably connected to the connecting rod 22, to move towards the rotating plate 33. This causes the moving push block 21 to bend the end of the pipe that is in contact with the rotating plate 33, thereby achieving the purpose of bending the pipe. In addition, the worker can also change the bending angle of the pipe by adjusting the rotation angle of the connecting rod 25, further improving the applicability of the equipment.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending device for bending angle controllable electric bicycle frame processing, characterized in that, The utility model provides a kind of angle-adjusting device, including: Device body (1), the device body (1) includes base (11), two arc grooves (111) and moving groove (112), two the arc grooves (111) are symmetrically distributed with the axial of the moving groove (112) as center; Bending structure (2), the bending structure (2) is installed to the base (11); Angle adjusting structure (3), the angle adjusting structure (3) includes rotating screw (31), moving piece (32) and rotating plate (33), the rotating plate (33) is provided with a pair, one end of a pair of the rotating plate (33) can be rotatably and obliquely installed to the base (11), the other end of the rotating plate (33) is movably placed in the arc groove (111), and a pair of the rotating plate (33) is consistent with the oblique angle of the axial of the rotating screw (31), the rotating screw (31) is rotatably installed to the base (11), the moving piece (32) is slidably placed in the moving groove (112), the moving piece (32) is threadedly connected with the rotating screw (31), and the opposite side of a pair of the rotating plate (33) has with rotating groove (331), and both ends of the moving piece (32) are movably placed in the with rotating groove (331).

2. The bending device with controllable bending angle for processing electric bicycle frame according to claim 1, characterized in that: The device body (1) further includes fixed slide rail (12), the bending structure (2) includes push block (21), and the fixed slide rail (12) and the push block (21) are each provided with a pair, a pair of the fixed slide rail (12) is installed to the base (11) and is symmetrically distributed with the axial of the rotating screw (31) as center, and the push block (21) is slidably arranged on the fixed slide rail (12).

3. The bending device with controllable bending angle for processing electric bicycle frame according to claim 2, characterized in that: The bending structure (2) further includes connecting rod (22), sliding block (23), rotating rod (24) and connecting rod (25), the connecting rod (22), the sliding block (23) and the rotating rod (24) are each provided with a pair, the sliding block (23) is slidably placed in the fixed slide rail (12), and the sliding block (23) is placed in the end face of the push block (21) away from the rotating plate (33), one end of the connecting rod (22) is rotatably connected with one end of the rotating rod (24), the other end of the connecting rod (22) is rotatably connected with the push block (21), the other end of the rotating rod (24) is rotatably connected with the sliding block (23), and both ends of the connecting rod (25) are connected to one end of a pair of the rotating rod (24) away from the sliding block (23).

4. The bending device with controllable bending angle for processing electric bicycle frame according to claim 3, characterized in that: The bending structure (2) further includes a pair of loading block (26), the push block (21) has sliding groove (211) on the side face away from the sliding block (23), one end of the loading block (26) is slidably placed in the sliding groove (211), the other end of the loading block (26) has loading groove (261) and solid material ring (262), the inner wall of the loading groove (261) is provided as circular arc, and the inner wall of the solid material ring (262) is towards the inner wall of the loading groove (261).

5. The bending device with controllable bending angle for processing electric bicycle frame according to claim 4, characterized in that: The bending structure (2) further comprises a pair of locking columns (27), the pushing block (21) has a first locking hole (212) at one end forming the sliding groove (211), the loading block (26) has a plurality of second locking holes (263) at one end slidingly connected with the sliding groove (211), the first locking hole (212) and the second locking hole (263) have the same hole diameter, and the locking column (27) is inserted into the first locking hole (212) and the second locking hole (263).

6. The bending device with controllable bending angle for processing electric bicycle frame according to claim 3, characterized in that: The device body (1) further comprises a pair of stop blocks (13) and a cylinder (14), the fixed sliding rail (12) has a moving opening (121) at one end away from the rotating plate (33) for the stop block (13) to slide, and the cylinder (14) is installed on the base (11), and an output shaft of the cylinder (14) is connected with the pair of stop blocks (13).