Bicycle rim grinding equipment
Through the clamping and grinding mechanism of the bicycle rim grinding equipment, the problems of high labor costs and uneven grinding in the traditional method are solved, and the bicycle rim surface treatment with stable rotation and precise control is achieved.
Patent Information
- Application Number
- CN202422287283.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-19
AI Technical Summary
Traditional bicycle rim surface treatment methods have problems such as high labor costs, exposure of workers to a highly polluted environment, and difficulty in precisely controlling the amount of grinding and sandpaper consumption.
A bicycle rim grinding device is designed, including a clamping mechanism and a grinding mechanism, which fixes the rim by clamping turntable and jaw assembly, and uses a grinding belt to accurately polish the surface of the rim, combining pulleys and motor drive to achieve stable rotation and uniform consumption of sandpaper.
The stable rotation and precise grinding of bicycle wheel rims are achieved, which avoids the high risk of pollution caused by manual operation, reduces uneven grinding and sandpaper losses, and improves processing efficiency and environmental protection.
Smart Images
Figure CN223057396U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a bicycle rim grinding device, which is applied to the field of rim grinding. Background Technique
[0002] Rim surface grinding is a metal surface treatment process, which improves the surface finish, hardness and corrosion resistance of the rim through physical or chemical methods. Traditional rim surface treatment methods, especially for circular carbon fiber rims used in bicycles and locomotives, often rely on manual grinding, painting and varnish treatment. This method has some obvious deficiencies, including high labor costs, workers being exposed to a highly polluted carbon fiber dust environment, and difficulty in precisely controlling the grinding amount and sandpaper consumption, which may lead to insufficient or excessive grinding. In addition, the rapid loss of sandpaper is neither economical nor environmentally friendly. Therefore, in view of the above problems, the utility model designs a bicycle rim grinding device. Content of the Utility Model
[0003] The utility model provides a bicycle rim grinding device, which can effectively solve the above problems.
[0004] The utility model is realized as follows:
[0005] A bicycle rim grinding device includes:
[0006] A frame;
[0007] A clamping mechanism for clamping and fixing the rim, including a clamping turntable arranged on the frame, a first driving component arranged at the bottom of the clamping turntable, the first driving component being used to drive the clamping turntable to rotate, a jaw component arranged on the clamping turntable, the jaw component being connected to a second driving component arranged at the bottom of the clamping turntable, the second driving component being used to drive the jaw component to open / close so as to clamp and fix the rim;
[0008] A grinding mechanism for grinding the rim surface, including a moving component arranged above the clamping mechanism, the moving component being connected to a grinding component, the grinding component including a mounting plate arranged on the moving component, a first motor arranged behind the mounting plate, the first motor driving a synchronous pulley, a grinding wheel arranged on the mounting plate opposite to the synchronous pulley, the synchronous pulley and the grinding wheel being connected by a grinding belt, the first motor driving the grinding belt to grind the rim surface.
[0009] As a further improvement, the first driving component includes a first belt pulley arranged below the clamping turntable and a second belt pulley opposite to the first belt pulley, the first belt pulley and the second belt pulley being connected by a belt, the second belt pulley being driven by a second motor arranged on the frame, thereby driving the clamping turntable to rotate.
[0010] As a further improvement, a hollow shaft sleeve is fixedly arranged inside the first pulley. The other end of the hollow shaft sleeve is connected to a clamping turntable. The hollow shaft sleeve is rotatably arranged inside a fixed shaft sleeve, and the fixed shaft sleeve is fixedly arranged on the machine frame.
[0011] As a further improvement, the second driving assembly includes a first cylinder arranged below the first pulley. The first cylinder is connected to a lifting shaft. The lifting shaft is slidably arranged inside the hollow shaft sleeve. The top of the lifting shaft is connected to a first mounting block. A plurality of connecting rods are circumferentially and annularly arranged along the first mounting block and are hinged to the first mounting block. The jaw assembly includes a second mounting block hinged to one end of the connecting rod. The second mounting block is slidably arranged on the upper surface of the clamping turntable. A jaw is arranged on the second mounting block, and an inwardly buckled clamping portion is arranged at the top of the jaw.
[0012] As a further improvement, a plurality of annularly arranged first sliding rails are arranged on the upper surface of the clamping turntable. First sliding blocks corresponding to the first sliding rails are arranged on the second mounting block, and the first sliding blocks are slidably connected to the first sliding rails.
[0013] As a further improvement, the moving assembly includes a gantry arranged on the machine frame. A fixed frame that moves horizontally is arranged inside the gantry. A third motor is arranged on the side wall of the gantry. The third motor is connected to a first screw rod. The first screw rod is connected to a first flange arranged on the fixed frame. A grinding assembly that moves vertically is arranged inside the fixed frame. A fourth motor is arranged on the top of the fixed frame. The fourth motor is connected to a second screw rod. The first screw rod is connected to a second flange arranged on the grinding assembly.
[0014] As a further improvement, the grinding assembly includes a fixing plate slidably arranged on the fixed frame. A mounting plate is arranged on the side wall of the fixing plate.
[0015] As a further improvement, the grinding assembly further includes a tensioning wheel assembly arranged on the fixing plate. The tensioning wheel assembly includes a connecting plate slidably arranged on the fixing plate. A tensioning wheel is arranged in front of the connecting plate. The tensioning wheel abuts against a grinding belt. The connecting plate is driven by a second cylinder arranged on the fixing plate.
[0016] The beneficial effects of the utility model are as follows:
[0017] (1) The utility model drives the jaw assembly to open / close through the second drive assembly arranged on the frame so as to clamp and fix the rim, drives the clamping turntable to rotate through the first drive assembly, realizes the stable rotation of the bicycle rim, and then polishes the rotating bicycle rim through the grinding mechanism arranged above the clamping mechanism. This device can accurately control the grinding amount and sandpaper consumption, and can prevent workers from being exposed to a highly polluted carbon fiber dust environment, resulting in problems such as insufficient or excessive grinding.
[0018] (2) The utility model is provided with a first pulley below the clamping turntable and a second pulley opposite to the first pulley. The first pulley and the second pulley are connected by a belt. The second pulley is driven by a second motor arranged on the frame, thereby driving the clamping turntable to rotate. Then, a first cylinder is arranged below the first pulley. The first cylinder is connected to a lifting shaft. The lifting shaft is slidably arranged in a hollow shaft sleeve. The top of the lifting shaft is connected to a first mounting block. A plurality of connecting rods are circumferentially and annularly arranged along the first mounting block on the first mounting block. The other end of the connecting rod is hinged to a second mounting block. The second mounting block is slidably arranged on the upper surface of the clamping turntable. A jaw is arranged on the second mounting block. The top of the jaw is provided with an inwardly buckled clamping part to fix the bicycle rim. By driving the rotation of the clamping turntable through the second motor arranged on the side, and then controlling the clamping of the jaw through the first cylinder below, not only makes the device more compact and reasonable in layout, solves the problem of space redundancy, but also further improves the jaw, enabling the jaw to firmly clamp the circumferential wall of the bicycle rim. On the one hand, it effectively prevents the rim from breaking free from the restraint of the jaw during its high-speed centrifugal rotation. On the other hand, during the grinding process, it prevents the rim from vibrating, thereby causing problems such as uneven grinding of the bicycle rim or excessive wear and tear of the sandpaper on the grinding belt.
[0019] (3) The grinding assembly further includes a tensioning wheel assembly arranged on the fixing plate. The tensioning wheel assembly includes a connecting plate slidably arranged on the fixing plate. A tensioning wheel is arranged in front of the connecting plate. The tensioning wheel abuts against the grinding belt. The connecting plate is driven by a second cylinder arranged on the fixing plate. By driving the tensioning wheel to move towards the grinding belt through the second cylinder, the tension of the grinding belt can be adjusted, preventing the unstable transmission of the grinding belt due to the loosening of the grinding belt, resulting in uneven grinding of the bicycle rim or serious wear of the grinding belt, leading to excessive loss. Since the grinding belt is a continuously driven belt structure, if one side is severely worn, the entire grinding belt needs to be replaced. In order to reduce the grinding cost, the grinding uniformity of the grinding belt needs to be considered. Description of the Drawings
[0020] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.
[0021] Figure 1 It is a schematic structural diagram provided by an embodiment of the present utility model.
[0022] Figure 2 It is a schematic structural diagram of the clamping mechanism and the grinding mechanism provided by an embodiment of the present utility model.
[0023] Figure 3 It is a schematic top view structural diagram of the clamping mechanism and the grinding mechanism provided by an embodiment of the present utility model.
[0024] Figure 4 is Figure 3 a schematic cross-sectional structural diagram at A-A in
[0025] The attached drawing reference signs are as follows:
[0026] 10, frame; 11, support feet; 12, enclosing plate; 13, display;
[0027] 20, clamping mechanism; 21, clamping turntable; 211, first slide rail; 22, first driving component; 221, first pulley; 222, second pulley; 223, belt; 224, second motor; 225, hollow shaft sleeve; 226, fixed shaft sleeve; 23, jaw assembly; 231, second mounting block; 2311, first slider; 232, jaw; 2321, clamping part; 24, second driving component; 241, first cylinder; 242, lifting shaft; 243, first mounting block; 244, connecting rod;
[0028] 30, grinding mechanism; 31, moving component; 311, gantry; 312, fixed frame; 313, third motor; 314, fourth motor; 32, grinding component; 321, fixing plate; 322, mounting plate; 323, first motor; 324, synchronous pulley; 325, grinding wheel; 326, grinding belt; 33, tensioning wheel assembly; 331, connecting plate; 332, tensioning wheel; 333, second cylinder. Detailed implementation manners
[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model. Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model.
[0030] In the description of the present utility model, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.
[0031] Refer to Figure 1 As shown, a bicycle rim grinding device includes a frame 10. A plurality of support feet 11 are provided at the bottom of the frame 10. A shroud 12 is provided on the frame. The function of the shroud 12 is to prevent the fine chips produced by grinding from splashing everywhere. A display 13 is provided on the side wall of the frame 10.
[0032] Refer to Figure 2 As shown, a clamping mechanism 20 for clamping and fixing a rim includes a clamping turntable 21 provided on the frame 10. A first driving assembly 22 is provided at the bottom of the clamping turntable 21. The first driving assembly 22 is used to drive the clamping turntable 21 to rotate. A jaw assembly 23 is provided on the clamping turntable 21. The jaw assembly 23 is connected to a second driving assembly 24 provided at the bottom of the clamping turntable 21. The second driving assembly 24 is used to drive the jaw assembly 23 to open / close so as to clamp and fix the rim.
[0033] Refer to Figure 2As shown, the grinding mechanism 30 is used to polish the surface of the rim, and includes a moving component 31 arranged above the clamping mechanism 20. The moving component 31 is connected to the grinding component 32. The grinding component 32 includes a mounting plate 322 arranged on the moving component 31. A first motor 323 is arranged behind the mounting plate 322. The first motor 323 drives a synchronous pulley 324. A grinding wheel 325 opposite to the synchronous pulley 324 is arranged on the mounting plate 322. The synchronous pulley 324 and the grinding wheel 325 are connected by a grinding belt 326. The first motor 323 drives the grinding belt 326 to polish the surface of the rim. The grinding belt 326 is a closed belt-like structure made of sandpaper, and is driven by stretching through the synchronous pulley 324 and the grinding wheel for polishing.
[0034] As a further improvement, the first driving component 22 includes a first pulley 221 arranged below the clamping turntable 21 and a second pulley 222 opposite to the first pulley 221. The first pulley 221 and the second pulley 222 are connected by a belt 223. The second pulley 222 is driven by a second motor 224 arranged on the frame 10, thereby driving the clamping turntable 21 to rotate.
[0035] Refer to Figures 3 - 4 As shown, a hollow shaft sleeve 225 is fixedly arranged inside the first pulley 221. The other end of the hollow shaft sleeve 225 is connected to the clamping turntable 21. The hollow shaft sleeve 225 is rotatably arranged inside a fixed shaft sleeve 226. The fixed shaft sleeve 226 is fixedly arranged on the frame 10.
[0036] Refer to Figures 3 - 4 As shown, the second driving component 24 includes a first cylinder 241 arranged below the first pulley 221. The first cylinder 241 is connected to a lifting shaft 242. The lifting shaft 242 is slidably arranged inside the hollow shaft sleeve 225. The top of the lifting shaft 242 is connected to a first mounting block 243. A plurality of connecting rods 244 arranged in a circumferential annular array along the first mounting block 243 are hinged on the first mounting block 243. The jaw assembly includes a second mounting block 231 hinged to one end of the connecting rod 244. The second mounting block 231 is slidably arranged on the upper end surface of the clamping turntable 21. A jaw 232 is arranged on the second mounting block 231. An inwardly buckled clamping portion 2321 is arranged on the top of the jaw 232.
[0037] A plurality of circumferentially annularly arrayed first slide rails 211 are arranged on the upper end surface of the clamping turntable 21. A first slider 2351 corresponding to the first slide rails 211 is arranged on the second mounting block 235. The first slider 2351 is slidably connected to the first slide rails 211.
[0038] Refer to Figure 2As shown in the figure, the moving component 31 includes a gantry 311 disposed on the frame 10. A fixed frame 312 that moves horizontally is disposed inside the gantry 311. A third motor 313 is disposed on the side wall of the gantry 311. The third motor 313 is connected to a first screw rod, and the first screw rod is connected to a first flange plate disposed on the fixed frame 312. A grinding component 32 that moves vertically is disposed inside the fixed frame 312. A fourth motor 314 is disposed on the top of the fixed frame 312. The fourth motor 314 is connected to a second screw rod, and the first screw rod is connected to a second flange plate disposed on the grinding component 32.
[0039] The grinding component 32 includes a fixing plate 321 slidably disposed on the fixed frame 312, and a mounting plate 322 is disposed on the side wall of the fixing plate 321. The grinding component 32 further includes a tensioning wheel assembly 33 disposed on the fixing plate 321. The tensioning wheel assembly 33 includes a connecting plate 331 slidably disposed on the fixing plate 321. A tensioning wheel 332 is disposed in front of the connecting plate 331. The tensioning wheel 332 abuts against a grinding belt 326. The connecting plate 331 is driven by a second cylinder 333 disposed on the fixing plate 321.
[0040] The working principle of the present utility model is as follows:
[0041] First, a new grinding belt 326 is replaced on the synchronous pulley 324 and the grinding wheel 325. The second cylinder 333 is used to drive the tensioning wheel 332 to adjust the tightness of the grinding belt 326. Then, the bicycle rim is placed above the clamping turntable 21. The lifting shaft 242 is jacked up by the first cylinder 241, so that the second mounting block 231 slides towards the center of the clamping turntable 21 under the drive of the connecting rod 244, thereby driving the clamping jaws 232 to fix the side wall of the bicycle rim. Then, the second motor 224 drives the clamping turntable 21 to rotate. After the clamping mechanism 20 is prepared, the first motor 323 drives the synchronous pulley 324 to rotate, so that the grinding belt 326 rotates. Then, the moving component 31 is used to move the grinding component 32 downward, driving the grinding belt 326 to polish the surface of the bicycle rim.
[0042] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A bicycle rim grinding device, characterized in that, Including: A frame (10); A clamping mechanism (20) for clamping and fixing a rim, including a clamping turntable (21) arranged on the frame (10). A first driving component (22) is arranged at the bottom of the clamping turntable (21). The first driving component (22) is used to drive the clamping turntable (21) to rotate. A jaw component (23) is arranged on the clamping turntable (21). The jaw component (23) is connected to a second driving component (24) arranged at the bottom of the clamping turntable (21). The second driving component (24) is used to drive the jaw component (23) to open / close so as to clamp and fix the rim; A grinding mechanism (30) for grinding the surface of the rim, including a moving component (31) arranged above the clamping mechanism (20). The moving component (31) is connected to a grinding component (32). The grinding component (32) includes a mounting plate (322) arranged on the moving component (31). A first motor (323) is arranged behind the mounting plate (322). The first motor (323) drives a synchronous pulley (324). A grinding wheel (325) opposite to the synchronous pulley (324) is arranged on the mounting plate (322). The synchronous pulley (324) and the grinding wheel (325) are connected by a grinding belt (326). The first motor (323) drives the grinding belt (326) to grind the surface of the rim.
2. The grinding device for a bicycle rim according to claim 1, characterized in that, The first driving component (22) includes a first pulley (221) arranged below the clamping turntable (21) and a second pulley (222) opposite to the first pulley (221). The first pulley (221) and the second pulley (222) are connected by a belt (223). The second pulley (222) is driven by a second motor (224) arranged on the frame (10), thereby driving the clamping turntable (21) to rotate.
3. A bicycle rim grinding device according to claim 2, characterized in that, A hollow shaft sleeve (225) is fixedly arranged inside the first pulley (221). The other end of the hollow shaft sleeve (225) is connected to the clamping turntable (21). The hollow shaft sleeve (225) is rotatably arranged inside a fixed shaft sleeve (226). The fixed shaft sleeve (226) is fixedly arranged on the frame (10).
4. A bicycle rim grinding device according to claim 1, characterized in that, The second driving component (24) includes a first cylinder (241) arranged below the first pulley (221). The first cylinder (241) is connected to a lifting shaft (242). The lifting shaft (242) is slidably arranged inside the hollow shaft sleeve (225). The top of the lifting shaft (242) is connected to a first mounting block (243). A plurality of connecting rods (244) circumferentially arranged in an annular array along the first mounting block (243) are hinged on the first mounting block (243). The jaw component includes a second mounting block (231) with one end hinged to the connecting rod (244). The second mounting block (231) is slidably arranged on the upper surface of the clamping turntable (21). A jaw (232) is arranged on the second mounting block (231). A clamping part (2321) with an inward buckle is arranged at the top of the jaw (232).
5. A bicycle rim grinding device according to claim 4, characterized in that, On the upper surface of the clamping turntable (21), a number of first slide rails (211) are arranged in an annular array. On the second mounting block (231), first sliders (2311) corresponding to the first slide rails (211) are provided, and the first sliders (2311) are slidably connected to the first slide rails (211).
6. The bicycle rim grinding device according to claim 1, characterized in that, The moving assembly (31) includes a gantry (311) provided on the frame (10). A fixed frame (312) that moves horizontally is provided inside the gantry (311). A third motor (313) is provided on the side wall of the gantry (311). The third motor (313) is connected to a first screw rod, and the first screw rod is connected to a first flange provided on the fixed frame (312). A grinding assembly (32) that moves vertically is provided inside the fixed frame (312). A fourth motor (314) is provided on the top of the fixed frame (312). The fourth motor (314) is connected to a second screw rod, and the first screw rod is connected to a second flange provided on the grinding assembly (32).
7. A bicycle rim grinding device according to claim 6, characterized in that, The grinding assembly (32) includes a fixing plate (321) slidably arranged on the fixed frame (312), and a mounting plate (322) is provided on the side wall of the fixing plate (321).
8. A bicycle rim grinding device according to claim 7, characterized in that, The grinding assembly (32) further includes a tensioning wheel assembly (33) provided on the fixing plate (321). The tensioning wheel assembly (33) includes a connecting plate (331) slidably arranged on the fixing plate (321). A tensioning wheel (332) is provided in front of the connecting plate (331). The tensioning wheel (332) abuts against the grinding belt (326), and the connecting plate (331) is driven by a second cylinder (333) provided on the fixing plate (321).