A punching device for bicycle rim machining

By designing a drilling, rim fixing, and debris adsorption mechanism for a bicycle rim processing device, the problems of low drilling efficiency, poor accuracy, and debris interference in existing technologies have been solved, achieving efficient and stable rim drilling and equipment protection.

CN224543184UActive Publication Date: 2026-07-24TIANJIN XINCHENG LIANGBO BICYCLE PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN XINCHENG LIANGBO BICYCLE PARTS CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing bicycle wheel rim drilling methods are inefficient and have poor precision. Furthermore, automated equipment is not adaptable to different wheel rim sizes and lacks debris removal capabilities, which affects drilling accuracy and increases the risk of equipment damage.

Method used

A bicycle wheel rim processing device was designed, which includes drilling, rim fixing, intermittent transmission and debris collection mechanism. The device uses a hydraulic cylinder to drive the drill bit for precise drilling and uses an electric telescopic rod and a vacuum cleaner to clean up debris.

Benefits of technology

It improves drilling speed and accuracy, ensures stable fixing of wheel rims of different specifications, cleans debris to avoid affecting accuracy and damaging equipment, and improves production efficiency and equipment lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of punching device for bicycle rim machining, including workbench and the punching mechanism being set on top thereof, fixedly connected with lifting mechanism on punching mechanism, and the rim fixing mechanism is equipped in the central position of workbench, and intermittent transmission mechanism is equipped between rim fixing mechanism and workbench, and scrap suction mechanism is equipped in the top of workbench;The utility model greatly improves the punching speed of bicycle rim by the cooperation of the punching mechanism, rim fixing mechanism and intermittent transmission mechanism being set, compared with traditional manual punching, improves production efficiency;Through the rim fixing mechanism being set, utilize multistage adjustment, the rim of different diameters can be stably fixed;Through the scrap suction mechanism being set, the position of adsorption cover is adjusted using electric telescopic rod, ensure the adsorption effect of scrap, avoid the influence of scrap on punching accuracy and equipment.
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Description

Technical Field

[0001] This utility model relates to a drilling device, specifically a drilling device for processing bicycle wheel rims. Background Technology

[0002] In the bicycle manufacturing industry, the wheel rim is a key component, and its processing quality directly affects the overall performance and safety of the bicycle. In the wheel rim processing flow, the drilling process is particularly important.

[0003] Existing bicycle wheel rim drilling methods mostly rely on manual hand-held drilling tools, which is not only inefficient but also makes it difficult to guarantee drilling accuracy, easily leading to inconsistent product quality. On the other hand, some automated drilling equipment has poor adaptability to different wheel rim specifications, poor wheel rim stability during drilling, and lacks debris removal functions during the drilling process, which affects drilling accuracy and causes equipment damage. Utility Model Content

[0004] The purpose of this invention is to provide a drilling device for processing bicycle wheel rims, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A drilling device for processing bicycle wheel rims includes a worktable and a drilling mechanism disposed above it. A lifting mechanism is fixedly connected to the drilling mechanism. A wheel rim fixing mechanism is disposed at the center of the worktable. An intermittent transmission mechanism is disposed between the wheel rim fixing mechanism and the worktable. A debris adsorption mechanism is disposed above the worktable.

[0007] As a further embodiment of this utility model: the drilling mechanism includes a hydraulic cylinder, a mounting plate, a drilling motor, and a drill bit. The output end of the hydraulic cylinder is fixedly connected to the mounting plate, the other side of the mounting plate is fixedly connected to the drilling motor, and the output end of the drilling motor is fixedly connected to the drill bit.

[0008] As a further embodiment of this utility model: the lifting mechanism includes a U-shaped frame, a lead screw, a first motor, a moving plate, support rods, a bearing plate, and a fixed seat. The upper end of the U-shaped frame is fixedly connected to the bottom surface of the workbench. A lead screw is rotatably connected between the bottom plate of the U-shaped frame and the bottom surface of the workbench. The lower end of the lead screw is fixedly connected to the output end of the first motor. The first motor is fixedly connected to the U-shaped frame. A moving plate is threaded onto the lead screw. The moving plate is slidably connected to the inner wall of the U-shaped frame. A support rod is vertically connected to each end of the moving plate. The support rods pass through the workbench and are slidably connected to it. The upper ends of both support rods are fixedly connected to the bearing plate. A fixed seat is fixedly connected to the bearing plate. A drilling mechanism is fixedly connected inside the fixed seat.

[0009] As a further embodiment of this utility model: the wheel rim fixing mechanism includes a rotating plate, a first bidirectional lead screw, a second motor, a guide rod, an adjusting plate, a second bidirectional lead screw, a third motor, a moving block, a fixing rod, and a rubber layer. The rotating plate has two parallel first mounting slots. A first bidirectional lead screw is rotatably connected to one first mounting slot, and a guide rod is fixedly connected to the other first mounting slot. One end of the first bidirectional lead screw is fixedly connected to the output end of the second motor, which is fixedly connected to the rotating plate. Sleeves are threaded onto both sides of the first bidirectional lead screw, and sliding sleeves are slidably connected to both sides of the guide rod. Adjusting plates are fixedly connected to the opposing sleeves and sliding sleeves on both sides. A second mounting slot is provided on the adjusting plate, and a second bidirectional lead screw is rotatably connected to the second mounting slot. One end of the second bidirectional lead screw is fixedly connected to the output end of the third motor, which is fixedly connected to the adjusting plate. Moving blocks are threaded onto both sides of the second bidirectional lead screw, and the moving blocks are slidably connected to the second mounting slot. A fixing rod is fixedly connected to the upper end of the moving block, and a rubber layer is fixedly connected to the outside of the fixing rod.

[0010] As a further embodiment of this utility model: the intermittent transmission mechanism includes a rotating shaft, a complete gear, a partial gear, and a fourth motor. The upper end of the rotating shaft is fixedly connected to the center of the bottom surface of the rotating plate, and the lower end is rotatably connected to the center of the worktable. A complete gear is fixedly connected to the outside of the rotating shaft. A partial gear is meshed with one side of the complete gear. The partial gear is fixedly connected to the output end of the fourth motor. The fourth motor is fixedly connected to the bottom surface of the worktable.

[0011] As a further embodiment of this utility model: the debris adsorption mechanism includes an electric telescopic rod, an adsorption hood, a dust suction pipe, and a vacuum cleaner. There are four electric telescopic rods, which are fixedly connected to the four corners of the workbench. The upper end of the electric telescopic rod is fixedly connected to the adsorption hood, the outlet of the adsorption hood is fixedly connected to the dust suction pipe, and the other end of the dust suction pipe is fixedly connected to the vacuum cleaner.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: A drilling device for bicycle wheel rim processing greatly improves the drilling speed of bicycle wheel rims through the coordinated work of a drilling mechanism, a wheel rim fixing mechanism, and an intermittent transmission mechanism, thus improving production efficiency compared with traditional manual drilling; the wheel rim fixing mechanism, through multi-stage adjustment, can stably fix wheel rims of different diameters; the debris adsorption mechanism, through the use of an electric telescopic rod to adjust the position of the adsorption cover, ensures the adsorption effect of debris and avoids debris affecting the drilling accuracy and equipment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a drilling device for processing bicycle wheel rims.

[0014] Figure 2This is a schematic diagram of the drilling mechanism in a drilling device for processing bicycle wheel rims.

[0015] Figure 3 This is a schematic diagram of the wheel rim fixing mechanism in a drilling device for processing bicycle wheel rims.

[0016] In the diagram: 1. Workbench; 2. Drilling mechanism; 21. Hydraulic cylinder; 22. Mounting plate; 23. Drilling motor; 24. Drill bit; 3. Lifting mechanism; 31. U-shaped frame; 32. Lead screw; 33. First motor; 34. Moving plate; 35. Support rod; 36. Bearing plate; 37. Fixed seat; 4. Wheel rim fixing mechanism; 41. Rotating plate; 411. First mounting slot; 42. First bidirectional lead screw; 43. Second motor; 44. Guide rod; 45. Adjusting plate; 451. Second mounting slot; 46. Second bidirectional lead screw; 47. Third motor; 48. Moving block; 49. Fixed rod; 410. Rubber layer; 5. Intermittent transmission mechanism; 51. Rotating shaft; 52. Complete gear; 53. Incomplete gear; 54. Fourth motor; 6. Debris adsorption mechanism; 61. Electric telescopic rod; 62. Adsorption hood; 63. Dust collection pipe; 64. Vacuum cleaner. Detailed Implementation

[0017] 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.

[0018] Please see Figures 1-3 In this embodiment of the utility model, a drilling device for processing bicycle wheel rims includes a workbench 1 and a drilling mechanism 2 disposed above it. A lifting mechanism 3 is fixedly connected to the drilling mechanism 2. A wheel rim fixing mechanism 4 is disposed at the center of the workbench 1. An intermittent transmission mechanism 5 is disposed between the wheel rim fixing mechanism 4 and the workbench 1. A debris adsorption mechanism 6 is disposed above the workbench 1.

[0019] The drilling mechanism 2 includes a hydraulic cylinder 21, a mounting plate 22, a drilling motor 23, and a drill bit 24. The output end of the hydraulic cylinder 21 is fixedly connected to the mounting plate 22, the other side of the mounting plate 22 is fixedly connected to the drilling motor 23, and the output end of the drilling motor 23 is fixedly connected to the drill bit 24.

[0020] The lifting mechanism 3 includes a U-shaped frame 31, a lead screw 32, a first motor 33, a moving plate 34, a support rod 35, a bearing plate 36, and a fixed seat 37. The upper end of the U-shaped frame 31 is fixedly connected to the bottom surface of the workbench 1. The lead screw 32 is rotatably connected between the bottom plate of the U-shaped frame 31 and the bottom surface of the workbench 1. The lower end of the lead screw 32 is fixedly connected to the output end of the first motor 33. The first motor 33 is fixedly connected to the U-shaped frame 31. The moving plate 34 is threadedly connected to the lead screw 32. The moving plate 34 is slidably connected to the inner wall of the U-shaped frame 31. A support rod 35 is vertically connected to each end of the moving plate 34. The support rod 35 passes through the workbench 1 and is slidably connected to it. The upper ends of both support rods 35 are fixedly connected to the bearing plate 36. A fixed seat 37 is fixedly connected to the bearing plate 36. The drilling mechanism 2 is fixedly connected inside the fixed seat 37.

[0021] The wheel rim fixing mechanism 4 includes a rotating plate 41, a first bidirectional lead screw 42, a second motor 43, a guide rod 44, an adjusting plate 45, a second bidirectional lead screw 46, a third motor 47, a moving block 48, a fixing rod 49, and a rubber layer 410. The rotating plate 41 has two parallel first mounting slots 411. The first bidirectional lead screw 42 is rotatably connected to one first mounting slot 411, and the guide rod 44 is fixedly connected to the other first mounting slot 411. One end of the first bidirectional lead screw 42 is fixedly connected to the output end of the second motor 43, which is fixedly connected to the rotating plate 41. Both sides of the first bidirectional lead screw 42 are threaded together. The guide rod 44 has a threaded sleeve, and sliding sleeves are slidably connected to both sides of the guide rod 44. Adjusting plates 45 are fixedly connected to the threaded sleeves and sliding sleeves on both sides. A second mounting groove 451 is opened on the adjusting plate 45. A second bidirectional lead screw 46 is rotatably connected in the second mounting groove 451. One end of the second bidirectional lead screw 46 is fixedly connected to the output end of the third motor 47. The third motor 47 is fixedly connected to the adjusting plate 45. Moving blocks 48 are threadedly connected to both sides of the second bidirectional lead screw 46. The moving blocks 48 are slidably connected to the second mounting groove 451. A fixing rod 49 is fixedly connected to the upper end of the moving block 48. A rubber layer 410 is fixedly connected to the outside of the fixing rod 49.

[0022] The intermittent transmission mechanism 5 includes a rotating shaft 51, a fully gear 52, a partially gear 53, and a fourth motor 54. The upper end of the rotating shaft 51 is fixedly connected to the center of the bottom surface of the rotating plate 41, and the lower end is rotatably connected to the center of the worktable 1. The fully gear 52 is fixedly connected to the outside of the rotating shaft 51. The partially gear 53 is meshed with one side of the fully gear 52. The partially gear 53 is fixedly connected to the output end of the fourth motor 54. The fourth motor 54 is fixedly connected to the bottom surface of the worktable 1.

[0023] The debris adsorption mechanism 6 includes an electric telescopic rod 61, an adsorption cover 62, a dust suction pipe 63, and a vacuum cleaner 64. There are four electric telescopic rods 61, which are fixedly connected to the four corners of the workbench 1. The upper end of the electric telescopic rod 61 is fixedly connected to the adsorption cover 62, the outlet of the adsorption cover 62 is fixedly connected to the dust suction pipe 63, and the other end of the dust suction pipe 63 is fixedly connected to the vacuum cleaner 64.

[0024] The working principle of this utility model is as follows: First, the wheel rim fixing mechanism 4 is adjusted to fix the wheel rim. The second motor 43 is started to drive the first bidirectional lead screw 42 to rotate, and the distance between the two adjusting plates 45 is adjusted in conjunction with the guide rod 44. Then, the third motor 47 is started to drive the second bidirectional lead screw 46 to rotate, so that the moving block 48 drives the fixed rod 49 to move, so that the fixed rod 49 abuts against the inner side of the wheel rim. Then, the height of the drilling mechanism 2 is adjusted. The first motor 33 is started to drive the lead screw 32 to rotate, and the drill bit 24 is aligned with the drilling position of the wheel rim through the moving plate 34, support rod 35, etc. Then, the electric telescopic rod 61 is started to adjust the adsorption cover 6 of the debris adsorption mechanism 6. The height of the drill bit 24 ensures effective adsorption of debris generated during drilling. During drilling, the hydraulic cylinder 21 and the drilling motor 23 are activated to make the drill bit 24 rotate at high speed for drilling operations. During the drilling process, the intermittent transmission mechanism 5 is activated, and the fourth motor 54 drives the incomplete gear 53 to rotate. Through meshing with the complete gear 52, the wheel rim rotates intermittently to different drilling positions. When the rotation stops, the drilling mechanism 2 continues to perform drilling operations. This cycle continues until all holes on the wheel rim are processed. At the same time, the vacuum cleaner 64 is activated to suck up debris through the vacuum pipe 63 and the adsorption hood 62, keeping the working area clean and preventing debris from affecting the drilling accuracy and equipment.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drilling device for processing bicycle wheel rims, comprising a worktable (1) and a drilling mechanism (2) disposed thereon, characterized in that, A lifting mechanism (3) is fixedly connected to the drilling mechanism (2), a wheel rim fixing mechanism (4) is provided in the center of the worktable (1), an intermittent transmission mechanism (5) is provided between the wheel rim fixing mechanism (4) and the worktable (1), and a debris adsorption mechanism (6) is provided above the worktable (1).

2. The drilling device for processing bicycle wheel rims according to claim 1, characterized in that, The drilling mechanism (2) includes a hydraulic cylinder (21), a mounting plate (22), a drilling motor (23), and a drill bit (24). The output end of the hydraulic cylinder (21) is fixedly connected to the mounting plate (22), and the other side of the mounting plate (22) is fixedly connected to the drilling motor (23). The output end of the drilling motor (23) is fixedly connected to the drill bit (24).

3. The drilling device for processing bicycle wheel rims according to claim 2, characterized in that, The lifting mechanism (3) includes a U-shaped frame (31), a lead screw (32), a first motor (33), a moving plate (34), a support rod (35), a bearing plate (36), and a fixed base (37). The upper end of the U-shaped frame (31) is fixedly connected to the bottom surface of the workbench (1). The lead screw (32) is rotatably connected between the bottom plate of the U-shaped frame (31) and the bottom surface of the workbench (1). The lower end of the lead screw (32) is fixedly connected to the output end of the first motor (33). The first motor (33) is fixedly connected to the U-shaped frame. On (31), a movable plate (34) is threadedly connected to the lead screw (32). The movable plate (34) is slidably connected to the inner wall of the U-shaped frame (31). A support rod (35) is vertically connected to each end of the movable plate (34). The support rod (35) passes through the workbench (1) and is slidably connected to it. The upper ends of the two support rods (35) are fixedly connected to the bearing plate (36). A fixed seat (37) is fixedly connected to the bearing plate (36). The punching mechanism (2) is fixedly connected inside the fixed seat (37).

4. The drilling device for processing bicycle wheel rims according to claim 1, characterized in that, The wheel rim fixing mechanism (4) includes a rotating plate (41), a first bidirectional lead screw (42), a second motor (43), a guide rod (44), an adjusting plate (45), a second bidirectional lead screw (46), a third motor (47), a moving block (48), a fixing rod (49), and a rubber layer (410). The rotating plate (41) has two parallel first mounting slots (411). The first bidirectional lead screw (42) is rotatably connected in one first mounting slot (411), and the guide rod (44) is fixedly connected in the other first mounting slot (411). One end of the first bidirectional lead screw (42) is fixedly connected to the output end of the second motor (43), which is fixedly connected to the rotating plate (41). The two sides of the first bidirectional lead screw (42) are respectively... The threaded connection is provided with a threaded sleeve, and the guide rod (44) is slidably connected to the two sides of the guide rod (44). The threaded sleeve and the sliding sleeve on the two sides are fixedly connected to the adjusting plate (45). The adjusting plate (45) is provided with a second mounting groove (451). The second bidirectional screw (46) is rotatably connected in the second mounting groove (451). One end of the second bidirectional screw (46) is fixedly connected to the output end of the third motor (47). The third motor (47) is fixedly connected to the adjusting plate (45). The two sides of the second bidirectional screw (46) are threadedly connected to the moving block (48). The moving block (48) is slidably connected to the second mounting groove (451). The upper end of the moving block (48) is fixedly connected to the fixing rod (49). The fixing rod (49) is fixedly connected to the outside of the fixing layer (410).

5. A drilling device for processing bicycle wheel rims according to claim 4, characterized in that, The intermittent transmission mechanism (5) includes a rotating shaft (51), a complete gear (52), a non-complete gear (53), and a fourth motor (54). The upper end of the rotating shaft (51) is fixedly connected to the center of the bottom surface of the rotating plate (41), and the lower end is rotatably connected to the center of the worktable (1). The complete gear (52) is fixedly connected to the outside of the rotating shaft (51). The non-complete gear (53) is meshed with one side of the complete gear (52). The non-complete gear (53) is fixedly connected to the output end of the fourth motor (54). The fourth motor (54) is fixedly connected to the bottom surface of the worktable (1).

6. The drilling device for processing bicycle wheel rims according to claim 1, characterized in that, The debris adsorption mechanism (6) includes an electric telescopic rod (61), an adsorption hood (62), a dust suction pipe (63), and a vacuum cleaner (64). There are four electric telescopic rods (61), which are fixedly connected to the four corners of the workbench (1). The upper end of the electric telescopic rod (61) is fixedly connected to the adsorption hood (62), the outlet of the adsorption hood (62) is fixedly connected to the dust suction pipe (63), and the other end of the dust suction pipe (63) is fixedly connected to the vacuum cleaner (64).