An adjustable bicycle frame machining apparatus
By introducing a worm gear mechanism and a scale indicator system into the bicycle frame processing equipment, the problem of the non-adjustable angle of the cutting device was solved, enabling efficient and precise cutting of bicycle frames and improving production quality and equipment applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN WEIWANGDA TECH DEV CO LTD
- Filing Date
- 2025-08-15
- Publication Date
- 2026-07-21
AI Technical Summary
Existing bicycle frame cutting devices cannot flexibly adjust the cutting angle, which limits the application of diverse frame designs, and the cutting accuracy and efficiency are low.
An adjustable bicycle frame processing device was designed, which uses a worm gear mechanism to adjust the angle of the cutting device and is equipped with a scale indication system to improve accuracy. Combined with an electric push rod, the cutting efficiency is improved.
It enables flexible angle adjustment of the cutting device, improves cutting accuracy and efficiency, reduces scrap rate, and enhances the versatility and safety of the equipment.
Smart Images
Figure CN224526114U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of bicycle manufacturing and processing technology, specifically an adjustable bicycle frame processing device. Background Technology
[0002] In the bicycle manufacturing industry, frame processing is a crucial step, and tube cutting is an important process within frame processing. Early on, bicycle frame tube cutting relied primarily on manual operation of ordinary cutting machines. Cutting positions were pre-marked on the tubes, and then the tube ends were aligned with the marks before cutting. This method was not only inefficient, but also prone to significant visual errors during manual marking and alignment, making it difficult to guarantee the dimensional accuracy of the cut tubes, thus affecting the overall quality and stability of the bicycle frame.
[0003] To address the aforementioned issues, Chinese utility model patent CN212917853U discloses a rapid cutting device for bicycle frames. This device replaces the traditional marking method with a baffle. By pre-adjusting the distance between the baffle and the cutting machine, it allows for concentrated cutting of tubing of the same specification, reducing the number of baffle adjustments and effectively improving cutting efficiency while minimizing errors caused by visual factors. However, the cutting machine in this device is fixedly mounted on the table, making it impossible to flexibly adjust the cutting angle according to processing requirements. In actual bicycle frame manufacturing, the ends of tubing often need to be cut at different angles to meet the splicing and welding requirements between various frame components. The non-adjustable angle of the existing device limits its application in diverse frame designs, resulting in low applicability.
[0004] Therefore, this application provides an adjustable bicycle frame processing device to solve the above-mentioned problems. Utility Model Content
[0005] This application provides an adjustable bicycle frame processing device, which aims to solve the problems mentioned in the background art, such as the inability of existing cutting devices to flexibly adjust the cutting angle.
[0006] To achieve the above objectives, this application provides the following technical solution: an adjustable bicycle frame processing device, including a processing table, a bracket disposed on the processing table, a cutting device disposed at the bottom of the bracket, and a driving component disposed at the top of the bracket and connected to the cutting device for driving the cutting device to move closer to or away from the processing table; for adjusting the angle of the cutting device: an angle adjustment mechanism is provided on the bracket, the angle adjustment mechanism including a fixed seat rotatably sleeved on the driving component and fixedly connected to the bracket, a worm gear fixedly sleeved on the driving component is rotatably disposed in the fixed seat, a worm is rotatably inserted into the fixed seat and meshing with the worm gear, and a handle is fixedly connected to the end of the worm. When the angle of the cutting device needs to be adjusted, the operator turns the handle, which drives the worm to rotate. Since the worm is meshed with the worm wheel, the rotation of the worm drives the worm wheel to rotate. The worm wheel is fixedly mounted on the drive component, so the rotation of the worm wheel drives the drive component to rotate. The cutting device is connected to the drive component, thus realizing the angle adjustment of the cutting device. The self-locking characteristic of the worm wheel mechanism relies on its special helix angle and friction relationship. When the worm stops rotating, the worm wheel will remain stationary under the action of friction, thereby locking the angle of the cutting device.
[0007] Preferably, to improve the accuracy of angle adjustment: the upper end of the fixed base is provided with an annular scale, and the driving component is provided with a pointer that matches the scale. The annular scale on the upper end of the fixed base and the pointer on the driving component provide the operator with a direct angle indication, enabling precise observation of the angle changes of the cutting device, making angle adjustment more accurate, avoiding an increase in the scrap rate due to angle adjustment errors, and improving cutting quality and production efficiency.
[0008] Preferably, the bracket is in the shape of an inverted U. The inverted U-shaped bracket provides a stable support structure for components such as the cutting device, driving components, and angle adjustment mechanism, ensuring the overall stability of the equipment. This allows it to withstand greater cutting forces during the cutting process without shaking, thus improving cutting accuracy.
[0009] Preferably, the driving component is an electric push rod, and the output end of the electric push rod passes through the bracket and is fixedly connected to the cutting device. Using an electric push rod as the driving component enables rapid and precise movement of the cutting device, significantly improving cutting efficiency compared to traditional manual driving methods.
[0010] Preferably, to facilitate the measurement of bicycle frame tube length: a scale plate is provided on the end of the processing table away from the loading end, and the starting end of the scale plate corresponds to the cutter of the cutting device. The scale plate on the processing table, with its starting end corresponding to the cutter of the cutting device, provides an intuitive reference standard for measuring the length of bicycle frame tubes. Operators can quickly determine the cutting position of the tubes based on the scale on the plate, eliminating the need for additional measuring tools, simplifying the operation process, and improving cutting efficiency.
[0011] Preferably, to facilitate viewing the cutting length of the pipe fitting, an indicator plate is slidably fitted onto the scale plate. This indicator plate, slidably fitted onto the scale plate, can be quickly adjusted to the corresponding scale position according to the cutting needs of the pipe fitting. The operator only needs to place the end of the pipe fitting against the indicator plate to determine the cutting position, eliminating the need for repeated measurements and adjustments, thus greatly accelerating the cutting efficiency.
[0012] This application utilizes an angle adjustment mechanism to enable the cutting device to change angles in the horizontal plane, allowing it to adapt to the different angle cutting requirements of bicycle frame fittings, thus improving the equipment's versatility and applicability. The cooperation between the worm gear and the worm forms a self-locking function, ensuring the cutting device remains stable during operation and preventing angle deviation due to accidental force, thereby improving cutting safety and accuracy.
[0013] The scale plate installed on the processing table of this application has its starting end corresponding to the cutter of the cutting device, providing an intuitive reference standard for measuring the length of bicycle frame tubes. Operators can quickly determine the cutting position of the tubes according to the scale on the scale plate without the need for additional measuring tools, which simplifies the operation process and improves cutting efficiency. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of an adjustable bicycle frame processing device.
[0015] Figure 2 for Figure 1 Left view of the structure;
[0016] Figure 3 This is a schematic diagram of the internal structure of the mounting base;
[0017] Figure 4 for Figure 1 A schematic diagram of the structure on the other side.
[0018] In the picture:
[0019] 1. Processing table; 2. Support; 3. Cutting device; 4. Drive component; 5. Angle adjustment mechanism; 51. Fixed seat; 52. Worm gear; 53. Worm; 54. Handle; 55. Scale; 56. Pointer; 6. Scale plate; 61. Indicator plate. Detailed Implementation
[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0021] Example 1
[0022] This embodiment provides an adjustable bicycle frame processing device, such as... Figure 1-4 As shown, the processing equipment includes a processing table 1, a support 2 mounted on the processing table 1, a cutting device 3 mounted at the bottom of the support 2, and a driving component 4 mounted on the top of the support 2 and connected to the cutting device 3 for driving the cutting device 3 to move closer to or away from the processing table 1. To adjust the angle of the cutting device 3, the support 2 is provided with an angle adjustment mechanism 5. The angle adjustment mechanism 5 includes a fixed seat 51 rotatably mounted on the driving component 4 and fixedly connected to the support 2. A worm gear 52 is rotatably mounted inside the fixed seat 51 and fixedly mounted on the driving component 4. A worm 53 is rotatably inserted into the fixed seat 51 and meshes with the worm gear 52. A handle 54 is fixedly connected to the end of the worm 53. The angle adjustment mechanism 5 enables the cutting device 3 to change its angle in the horizontal plane, allowing it to adapt to the different angle cutting requirements of bicycle frame fittings, thus improving the equipment's versatility and applicability. The cooperation between the worm gear 52 and the worm 53 forms a self-locking function, ensuring that the cutting device 3 remains stable during operation and preventing angle deviation due to accidental force, thereby improving the safety and accuracy of cutting. At the same time, the handle 54 allows operators to easily adjust the angle manually, making operation simple and convenient, reducing the difficulty of operation and labor intensity. When the angle of the cutting device 3 needs to be adjusted, the operator turns the handle 54, which drives the worm 53 to rotate. Since the worm 53 is meshed with the worm wheel 52, the rotation of the worm 53 will drive the worm wheel 52 to rotate. The worm wheel 52 is fixedly sleeved on the drive component 4, so the rotation of the worm wheel 52 will drive the drive component 4 to rotate. The cutting device 3 is connected to the drive component 4, thereby realizing the angle adjustment of the cutting device 3. The self-locking characteristic of the worm gear mechanism relies on its special helix angle and friction relationship. When the worm 53 stops rotating, the worm wheel 52 will remain stationary under the action of friction, thereby realizing the angle locking of the cutting device 3.
[0023] To improve the accuracy of angle adjustment, the upper end of the fixed base 51 is provided with an annular scale 55, and the driving component 4 is provided with a pointer 56 that matches the scale 55. The annular scale 55 on the upper end of the fixed base 51 and the pointer 56 on the driving component 4 provide the operator with a direct angle indication, allowing for precise observation of the angle changes of the cutting device 3. This makes angle adjustment more accurate, avoids increased scrap rates due to angle adjustment errors, and improves cutting quality and production efficiency. During the adjustment of the angle of the cutting device 3, the driving component 4 drives the pointer 56 to rotate, and the pointer 56 moves along the annular scale 55. By observing the value of the scale 55 pointed to by the pointer 56, the operator can determine the current angle of the cutting device 3. The position of the pointer 56 corresponds to the rotation angle of the driving component 4, and the rotation angle of the driving component 4 determines the angle of the cutting device 3, thus achieving visualization and precise adjustment of the angle.
[0024] The support 2 is inverted U-shaped. This inverted U-shaped support 2 provides a stable support structure for components such as the cutting device 3, the drive unit 4, and the angle adjustment mechanism 5, ensuring the overall stability of the equipment. This allows it to withstand greater cutting forces during the cutting process without shaking, thus improving cutting accuracy. The two vertical sections of the inverted U-shaped support 2 are fixedly connected to the processing table 1, providing a stable support foundation for the entire equipment. The horizontal section is used to install components such as the drive unit 4 and the angle adjustment mechanism 5, forming a stable frame structure. During the cutting process, the cutting force generated by the cutting device 3 is transmitted to the support 2 through components such as the drive unit 4. The inverted U-shaped structure can evenly distribute these forces at the connection point with the processing table 1, thereby ensuring the stability of the equipment.
[0025] The driving component 4 is specifically an electric push rod, and the output end of the electric push rod passes through the bracket 2 and is fixedly connected to the cutting device 3. Using an electric push rod as the driving component 4 enables rapid and precise movement of the cutting device 3, significantly improving cutting efficiency compared to traditional manual driving methods. The motor inside the electric push rod converts its rotational motion into linear motion through a transmission mechanism (such as a lead screw and nut mechanism). When the electric push rod receives a control signal, the motor starts, driving the lead screw to rotate. The nut on the lead screw moves linearly under the drive of the lead screw, and the nut is connected to the output end of the electric push rod, thereby moving the cutting device 3 closer to or away from the processing table 1.
[0026] To facilitate the measurement of bicycle frame tube lengths, a scale plate 6 is installed on the processing table 1 at the end furthest from the loading end, with the starting end of the scale plate 6 corresponding to the cutting blade of the cutting device 3. The scale plate 6 on the processing table 1, with its starting end corresponding to the cutting blade of the cutting device 3, provides an intuitive reference standard for measuring the length of bicycle frame tubes. Operators can quickly determine the cutting position of the tube based on the scale on the scale plate 6, eliminating the need for additional measuring tools, simplifying the operation process, and improving cutting efficiency. When cutting the tube, the operator places the tube on the processing table 1, using the starting end of the scale plate 6 (corresponding to the cutting blade) as a reference, and moves one end of the tube to the corresponding scale position on the scale plate 6 according to the required cutting length. At this point, the cutting blade of the cutting device 3 corresponds to the cutting position of the tube, and starting the cutting device 3 completes the precise cut. The scale on the scale plate 6 serves as a ruler for length measurement, ensuring the accuracy of the cutting length.
[0027] Example 2
[0028] Unlike Embodiment 1, to facilitate viewing the cutting length of the pipe fitting, an indicator plate 61 is slidably mounted on the scale plate 6. The indicator plate 61, slidably mounted on the scale plate 6, can be quickly adjusted to the corresponding scale position according to the cutting requirements of the pipe fitting. The operator only needs to place the end of the pipe fitting against the indicator plate 61 to determine the cutting position, eliminating the need for repeated measurement and adjustment, thus greatly accelerating the cutting efficiency. According to the required cutting length of the pipe fitting, the operator slides the indicator plate 61 on the scale plate 6 to adjust it to the corresponding scale position; then, the pipe fitting is placed on the processing table 1, so that one end of the pipe fitting is against the indicator plate 61. At this point, the cutting position of the pipe fitting is determined; the cutting device 3 cuts according to the preset program or the operator's instructions. Because the indicator plate 61 accurately marks the cutting position, a fast and precise cutting operation is achieved.
[0029] The control method of this application is through a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple programming. The power supply is also common knowledge in the art. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail here.
[0030] It should be noted that many of the standard parts used in this application are available on the market, while non-standard parts can be specially customized. The connection method used in this application is also a very common method in the mechanical field, and will not be described in detail here.
[0031] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and concept of this application, should be included within the scope of protection of this application.
Claims
1. An adjustable bicycle frame processing device, comprising a processing table (1), a bracket (2) disposed on the processing table (1), a cutting device (3) disposed at the bottom of the bracket (2), and a driving member (4) disposed at the top of the bracket (2) and connected to the cutting device (3) for driving the cutting device (3) to move closer to or away from the processing table (1). Its features are: An angle adjustment mechanism (5) is provided on the bracket (2). The angle adjustment mechanism (5) includes a fixed seat (51) rotatably sleeved on the drive member (4) and fixedly connected to the bracket (2). A worm wheel (52) is rotatably sleeved on the drive member (4) inside the fixed seat (51). A worm (53) meshing with the worm wheel (52) is rotatably inserted into the fixed seat (51). A handle (54) is fixedly connected to the end of the worm (53).
2. The adjustable bicycle frame processing equipment according to claim 1, characterized in that: The upper end of the fixed base (51) is provided with an annular scale (55), and the driving component (4) is provided with a pointer (56) that matches the scale (55).
3. The adjustable bicycle frame processing equipment according to claim 1, characterized in that: The bracket (2) is in the shape of an inverted U.
4. The adjustable bicycle frame processing equipment according to claim 1, characterized in that: The driving component (4) is specifically an electric push rod, and the output end of the electric push rod passes through the bracket (2) and is fixedly connected to the cutting device (3).
5. The adjustable bicycle frame processing equipment according to claim 1, characterized in that: A scale plate (6) is provided on the processing table (1) at the end away from the material feeding end, and the starting end of the scale plate (6) corresponds to the cutter of the cutting device (3).
6. The adjustable bicycle frame processing equipment according to claim 5, characterized in that: An indicator plate (61) is slidably sleeved on the scale plate (6).