Burr treatment device for motorcycle injection molding fuel tank

By designing an adjustable fixing mechanism and a detachable grinding block structure, the problem that existing devices cannot adapt to the fuel ports of different specifications is solved, rapid fixing and efficient processing are achieved, and the efficiency and convenience of motorcycle fuel tank bruises are improved.

CN223186232UActive Publication Date: 2025-08-05CHONGQING YUANZHOU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422367111.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-08-05
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

The existing motorcycle fuel tank filling port processing device has fixed block specifications and cannot meet the fixed needs of different specifications of filling ports, resulting in inconvenient replacement and reduced processing efficiency.

Method used

A burr treatment device including a servo motor, a rotating shaft, a grinding block and an adjustable fixing mechanism is designed. Through the combination of rotating rod, tooth plate and screw, the quick fixing and multi-spec adaptation of the fuel port are achieved, and the replacement efficiency is improved through the removable grinding block structure.

Benefits of technology

It realizes rapid fixing and flexible adjustment of gas refueling ports of various specifications, improves processing efficiency and application scope of the device, simplifies the replacement process of grinding blocks, and improves the operation convenience of staff.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223186232U_ABST
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Abstract

The burr processing device comprises a base, a supporting block is arranged on one side of the top end of the base, a servo motor is arranged on one side of the top end of the base, a rotating shaft is arranged at the output end of the servo motor, and a polishing block is arranged at one end of the rotating shaft; a fixing mechanism is arranged at the top end of the supporting block, and a connecting assembly is arranged between the rotating shaft and the grinding block. Wherein the fixing mechanism comprises a disc mounted at the top end of the supporting block, and a fixing box is mounted in the disc, so that the effect of quickly fixing and limiting the oil filling port can be achieved, the effect of fixing and adjusting the oil filling port according to various specifications by a worker can be achieved, and the application range of the device is greatly widened; equivalently, the mode of replacing the clamping structure in the prior art is more convenient, and the burr treatment efficiency of the oil filling port of the oil tank is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil tank processing, in particular to a burr processing device for an injection-molded oil tank of a motorcycle. Background Art

[0002] Motorcycles are a common means of transportation. During the manufacturing process, the fuel tank needs to be processed and polished. There are various production methods for motorcycle fuel tanks, including stamping, injection molding and other processes. Injection molding production is widely used in the fuel tank manufacturing field because of its advantages of being able to produce complex shapes and relatively low cost.

[0003] Publication No. CN215903247U discloses a motorcycle fuel tank filler port processing device. The device uses a threaded rod to drive a clamping block B in a fixing assembly to fix the filler port during rotation of the impeller. During use, the filler port is automatically fixed by airflow, which improves the processing efficiency of the filler port. The motorcycle fuel tank filler port processing device automatically collects and discharges grinding waste during grinding, which is convenient to use and prevents the waste generated by grinding from scattering and posing a threat to the health of workers. However, the following problems still exist in actual use of this patent:

[0004] The device fixes the fuel filler port by driving the block B in the fixing assembly through the threaded rod during the rotation of the impeller. However, the specifications of the block of the device are fixed. When the staff needs to polish the fuel filler port of other specifications, the device is not convenient for adapting and fixing it. The staff needs to disassemble and replace the block, which greatly reduces the processing efficiency of the fuel filler port and brings inconvenience to the staff when using it.

[0005] A burr processing device for an injection-molded fuel tank of a motorcycle is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a burr processing device for motorcycle injection-molded fuel tanks, so as to solve the problem proposed in the above background technology that the fuel filler port is currently fixed by a threaded rod driving a block B in a fixing assembly during the rotation of the impeller, but the specifications of the block of the device are fixed. When the staff needs to polish the fuel filler port of other specifications, the device is not convenient for adapting and fixing it, and the staff needs to disassemble and replace the block, which greatly reduces the processing efficiency of the fuel filler port and brings inconvenience to the staff when using it.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a burr treatment device for a motorcycle injection-molded fuel tank, comprising a base, a support block provided on one side of the top of the base, a servo motor provided on one side of the top of the base, a rotating shaft provided on the output end of the servo motor, and a grinding block provided on one end of the rotating shaft; a fixing mechanism provided on the top of the support block, and a connecting assembly provided between the rotating shaft and the grinding block;

[0008] The cam is secured to the upper edge of the support frame, and the cam has a first end fixed to the upper edge of the support frame, and the second end of the support frame is engaged with the first and second end of the support frame, and the cam has a first end fixed to the upper edge of the support frame.

[0009] Preferably, the connecting assembly includes an annular plate installed on one side of the grinding block, and a limit box is symmetrically installed inside the annular plate, and an operating rod is slidably connected to one end of the limit box, and a protruding plate is installed at one end of the operating rod inside the limit box, and a first contraction spring is symmetrically arranged between the protruding plate and the inner side of the limit box, and a fixed tube is installed inside one end of the rotating shaft, and a push plate is symmetrically slidably connected to the inside of the fixed tube, and an insert block is installed on one side of the push plate, and one end of the insert block passes through the limit box and is slidably connected to the limit box, and the protruding plate and the insert block are plugged in, and a second contraction spring is arranged between the push plates, and a mounting groove is opened on the outside of one end of the rotating shaft.

[0010] Preferably, a first insertion hole is provided inside each of the toothed discs, a second insertion hole is provided on one side of each of the fixing boxes, and a positioning rod is provided in the gap between the first insertion hole and the second insertion hole.

[0011] Preferably, an electric telescopic rod is provided at the bottom end of the servo motor, and a sliding block is installed at the bottom end of the electric telescopic rod, and a movable groove is opened inside one side of the top end of the base, and a threaded rod is rotatably connected inside the movable groove, and the sliding block is located on the outer side of the threaded rod and is threadedly connected, and a forward and reverse motor is installed at one end of the threaded rod.

[0012] Preferably, a guide groove is provided on one side of the disc, and guide rods are symmetrically installed inside the arc-shaped plate, and one end of the guide rod is slidably connected to the guide groove.

[0013] Preferably, a handle is installed at one end of the rotating rod.

[0014] Preferably, the first rotating teeth are meshingly connected to the gear disc.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the burr processing device for the injection-molded fuel tank of a motorcycle is specifically designed as follows: the staff operates the rotating rod to rotate, the rotation of the second rotating tooth drives the rotation of the third rotating tooth, the rotation of the gear plate drives the rotation of multiple groups of first rotating teeth, the rotation of the first rotating teeth drives the rotation of the screw, the movement of the moving block drives the movement of the arc plate, and the movement of the arc plate drives the rubber pad to squeeze and limit the outside of the fuel filler port, thereby achieving the effect of quickly fixing and limiting the fuel filler port, and the staff can fix and adjust the fuel filler port according to various specifications, greatly improving the scope of application of the device, which is equivalent to the need for clamping in the prior art. The replacement method of the holding structure is more convenient, which greatly improves the efficiency of the fuel tank filler port burr treatment. The staff presses the operating lever to drive the raised plate to slide inside the limit box. At this time, the first contraction spring contracts, and then the staff pulls the two sets of push plates. At this time, the second contraction spring contracts, and the tension generated by the second contraction spring causes the plug block to be inserted into the interior of the limit box. The reset property of the first contraction spring allows the raised plate and the plug block to be plugged in, so that the effect of quickly installing and removing the grinding block can be achieved, which makes it convenient for the staff to replace the grinding block according to the specifications of the fuel tank filler port, thereby greatly improving the fuel tank deployment efficiency and meeting the burr treatment of fuel tank filler ports of various specifications.

[0016] 1. The staff operates the rotating rod to rotate. At this time, the rotation of the rotating rod drives the rotation of the second rotating gear. The rotation of the second rotating gear drives the rotation of the third rotating gear. The rotation of the third rotating gear drives the gear plate to rotate inside the fixed box through the rotating shaft. The rotation of the gear plate drives the rotation of multiple groups of first rotating teeth. The rotation of the first rotating gear drives the rotation of the screw. The rotation of the screw drives the movement of the moving block. The movement of the moving block drives the movement of the arc plate. The movement of the arc plate drives the rubber pad to squeeze and limit the outer side of the fuel filler port. At this time, the rubber pad is squeezed and deformed, thereby achieving the effect of quickly fixing and limiting the fuel filler port, and the staff can fix and adjust the fuel filler port according to various specifications, greatly improving the applicability of the device, which is equivalent to the method of replacing the clamping structure in the existing technology, which is more convenient, greatly improving the efficiency of processing burrs on the fuel tank fuel filler port, and bringing convenience to the staff when using it;

[0017] 2. The staff will sleeve the annular plate on the outside of one end of the rotating shaft. At this time, the staff will press the operating lever to drive the raised plate to slide inside the limit box. At this time, the first contraction spring will contract, and then the staff will pull the two sets of push plates. At this time, the second contraction spring will contract, and by loosening the push plate, the tension generated by the second contraction spring will be used to insert the plug into the inside of the limit box. By loosening the operating lever and then using the reset property of the first contraction spring, the raised plate and the plug can be plugged in, so that the effect of quickly installing and removing the grinding block can be achieved, which makes it convenient for the staff to replace the grinding block according to the specifications of the fuel filler port, thereby greatly improving the efficiency of fuel filler port allocation, meeting the burr processing of fuel filler ports of various specifications of fuel tanks, and bringing convenience to the staff when using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a side structural cross-sectional view of the entire fixing mechanism of the present invention;

[0020] Figure 3 This is a schematic side view of the overall structure of the fixing mechanism in the present utility model;

[0021] Figure 4 This is a schematic diagram of the overall structure of the fixing box in the present utility model;

[0022] Figure 5 This is a schematic side view of the overall structure of the fixing mechanism in the present utility model;

[0023] Figure 6 It is a schematic diagram of a partially enlarged structure of the connecting component in the present utility model.

[0024] In the figure: 1. base; 101. support block; 102. servo motor; 103. rotating shaft; 104. grinding block; 2. fixing mechanism; 201. disc; 202. fixing box; 203. slide; 204. screw; 205. moving block; 206. arc plate; 207. rubber pad; 208. gear disc; 209. first rotating tooth; 210. connecting box; 211. rotating rod; 212. second rotating tooth; 213. third rotating tooth; 214. first jack; 215. Two sockets; 216, positioning rod; 217, guide groove; 218, guide rod; 219, handle; 3, connecting assembly; 301, annular plate; 302, limit box; 304, operating rod; 305, raised plate; 306, first contraction spring; 307, fixed tube; 308, push plate; 309, plug block; 310, second contraction spring; 311, mounting groove; 312, electric telescopic rod; 313, sliding block; 314, moving groove; 315, threaded rod; 316, forward and reverse motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-6 The utility model provides a technical solution: a burr processing device for a motorcycle injection-molded fuel tank, comprising a base 1, a support block 101 being provided on one side of the top of the base 1, a servo motor 102 being provided on one side of the top of the base 1, a rotating shaft 103 being provided at the output end of the servo motor 102, and a grinding block 104 being provided at one end of the rotating shaft 103; a fixing mechanism 2 being provided at the top of the support block 101, and a connecting assembly 3 being provided between the rotating shaft 103 and the grinding block 104;

[0027] Among them, the fixing mechanism 2 includes a disc 201 installed on the top of the support block 101, and a fixing box 202 is installed inside the disc 201, and a sliding groove 203 is opened on one side of the disc 201, and a screw 204 is rotatably connected between the sliding groove 203 and the fixing box 202, and the outer side of the screw 204 is threadedly connected to a moving block 205, and an arc plate 206 is installed on one side of the moving block 205, and a rubber pad 207 is installed on the inner side of the arc plate 206, and a toothed disc 208 is rotatably connected to the inner side of the fixing box 202, and a first rotating tooth 209 is installed at one end of the screw 204, and the first rotating tooth 209 is meshed with the toothed disc 208, and a connecting box 210 is installed on the side of the fixing box 202 away from the toothed disc 208, and the connecting box 210, A rotating rod 211 is rotatably connected between the fixed box 202 and the disc 201, and a second rotating tooth 212 is installed on one end of the rotating rod 211 located at the connecting box 210, and a third rotating tooth 213 is meshed and connected on one side of the second rotating tooth 212, and a rotating shaft on one side of the third rotating tooth 213 passes through the connecting box 210 and is rotatably connected between the connecting box 210, and a rotating shaft on one side of the third rotating tooth 213 is fixedly connected to the gear disc 208, so that the fuel filler port can be quickly fixed and limited, and the staff can adjust the fixed position according to various specifications of the fuel filler ports, greatly improving the scope of application of the device, which is equivalent to the method of replacing the clamping structure in the prior art, making it more convenient, greatly improving the efficiency of processing the burrs of the fuel tank fuel filler port, and bringing convenience to the staff when using it;

[0028] The interior of the toothed disc 208 is provided with a first insertion hole 214, and one side of the fixing box 202 is provided with a second insertion hole 215, and a positioning rod 216 is provided in the gap between the first insertion hole 214 and the second insertion hole 215. The staff inserts the positioning rod 216 into the first insertion hole 214 and the second insertion hole 215, so as to fix the toothed disc 208 and prevent the external force from affecting the rotating rod 211 and causing the toothed disc 208 to rotate. This greatly improves the stability of the fuel filler port when it is fixed. A guide groove 217 is provided on one side of 01, and a guide rod 218 is symmetrically installed inside the arc plate 206, and one end of the guide rod 218 is slidingly connected to the guide groove 217. The movement of the arc plate 206 drives the guide rod 218 to slide on the guide groove 217, so that the movement of the arc plate 206 can be made more stable. A handle 219 is installed at one end of the rotating rod 211. The design of the handle 219 makes it easy for the staff to operate the rotating rod 211, which brings practicality to the staff when using it.

[0029] The connecting assembly 3 includes an annular plate 301 mounted on one side of the grinding block 104, and a limit box 302 is symmetrically mounted inside the annular plate 301, and an operating rod 304 is slidably connected to the inside of the limit box 302 at one end, and a protruding plate 305 is mounted on one end of the operating rod 304 located inside the limit box 302, and a first contraction spring 306 is symmetrically arranged between the protruding plate 305 and the inner side of the limit box 302, and a fixing tube 307 is mounted inside one end of the rotating shaft 103, and the inside of the fixing tube 307 is The push plate 308 is symmetrically slidably connected, and an insert block 309 is installed on one side of the push plate 308, and one end of the insert block 309 passes through the limit box 302 and is slidably connected between the limit box 302, and the raised plate 305 is plugged into the insert block 309, and a second contraction spring 310 is provided between the push plates 308, and an installation groove 311 is provided on the outer side of one end of the rotating shaft 103, so that the grinding block 104 can be quickly installed and removed, which is convenient for the staff to replace and grind according to the specifications of the fuel filler port. The cam 313 is actuated to move the screwdriver 314 so that the cam 314 can be adjusted to move the cam 314 upwards and downwards, thereby greatly improving the efficiency of the fuel filler port deployment and meeting the burr treatment requirements of fuel filler ports of various specifications, bringing convenience to the staff when using it. The bottom end of the servo motor 102 is provided with an electric telescopic rod 312, and the bottom end of the electric telescopic rod 312 is installed with a sliding block 313, and a moving groove 314 is opened inside one side of the top of the base 1, and the internal rotation of the moving groove 314 is connected with a threaded rod 315, and the sliding block 313 is located on the outer side of the threaded rod 315 and is threadedly connected, and a forward and reverse motor 316 is installed at one end of the threaded rod 315, and the threaded rod 315 is driven by the forward and reverse motor 316 to rotate, and the rotation of the threaded rod 315 drives the sliding block 313 to slide inside the moving groove 314. At this time, the grinding block 104 realizes the lateral adjustment effect, and then the staff starts the electric telescopic rod 312, and the grinding block 104 realizes the longitudinal adjustment effect, thereby realizing the multi-angle adjustment effect of the grinding block 104, making the grinding block 104 more flexible when processing the fuel filler port, bringing convenience to the staff when using it.

[0030] Working principle: Before using this burr treatment device for motorcycle injection molding fuel tank, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 6As shown, the staff operates the rotating rod 211 to rotate. At this time, the rotation of the rotating rod 211 drives the rotation of the second rotating tooth 212. The rotation of the second rotating tooth 212 drives the rotation of the third rotating tooth 213. The rotation of the third rotating tooth 213 drives the gear plate 208 to rotate inside the fixed box 202 through the rotating shaft. The rotation of the gear plate 208 drives the rotation of multiple groups of first rotating teeth 209. The rotation of the first rotating teeth 209 drives the rotation of the screw 204. The rotation of the screw 204 drives the movement of the moving block 205. The movement of the moving block 205 drives the movement of the arc plate 206. The movement of the arc plate 206 drives the rubber pad 207 to squeeze and limit the outer side of the fuel filler port. At this time, the rubber pad 207 is squeezed and deformed, thereby achieving the effect of quickly fixing and limiting the fuel filler port, and the staff can adjust the fuel filler port according to various conditions. The effect of fixing and adjusting the fuel filler port of a certain specification greatly improves the application range of the device, which is equivalent to the method of replacing the clamping structure in the prior art, making it more convenient, greatly improving the efficiency of processing the burrs of the fuel filler port of the fuel tank, and bringing convenience to the staff when using it. The staff inserts the positioning rod 216 into the inner sides of the first hole 214 and the second hole 215, so as to fix and limit the toothed disc 208, and avoid the external force factors affecting the rotating rod 211 and causing the toothed disc 208 to rotate, which greatly improves the stability of the fuel filler port when fixed. The movement of the curved plate 206 drives the guide rod 218 to slide on the guide groove 217, so that the movement of the curved plate 206 can be more stable. The design of the handle 219 makes it easy for the staff to operate the rotating rod 211, which brings practicality to the staff when using it.

[0031] The staff will sleeve the annular plate 301 on the outside of one end of the rotating shaft 103. At this time, the staff will press the operating rod 304 to drive the raised plate 305 to slide inside the limit box 302. At this time, the first contraction spring 306 will contract, and then the staff will pull the two sets of push plates 308. At this time, the second contraction spring 310 will contract. By loosening the push plates 308 and then utilizing the tension generated by the second contraction spring 310, the plug block 309 is inserted into the interior of the limit box 302. Then, by loosening the operating rod 304 and then utilizing the reset property of the first contraction spring 306, the raised plate 305 and the plug block 309 can be plugged in, thereby achieving the effect of quickly installing and removing the grinding block 104. , which makes it convenient for the staff to replace the grinding block 104 according to the specifications of the fuel filler port, thereby greatly improving the fuel filler port allocation efficiency, meeting the burr treatment of fuel filler ports of various specifications, and bringing convenience to the staff when using it. The forward and reverse motor 316 drives the threaded rod 315 to rotate, and the rotation of the threaded rod 315 drives the sliding block 313 to slide inside the movable groove 314. At this time, the grinding block 104 realizes the lateral adjustment effect, and then the staff starts the electric telescopic rod 312. At this time, the grinding block 104 realizes the longitudinal adjustment effect, thereby realizing the multi-angle adjustment effect of the grinding block 104, making the grinding block 104 more flexible when processing the fuel filler port, and bringing convenience to the staff when using it.

[0032] The base 1, support block 101, servo motor 102, rotating shaft 103 and grinding block 104 are in the prior art. Publication No. CN215903247U discloses a motorcycle fuel tank filling port processing device, and the devices used therein are not described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A burr treatment device for a motorcycle injection-molded fuel tank, comprising a base (1), a support block (101) being provided on one side of the top end of the base (1), a servo motor (102) being provided on one side of the top end of the base (1), a rotating shaft (103) being provided at an output end of the servo motor (102), and a grinding block (104) being provided at one end of the rotating shaft (103); It is characterized by: Also includes: A fixing mechanism (2) is provided at the top end of the support block (101), and a connecting assembly (3) is provided between the rotating shaft (103) and the grinding block (104); The fixing mechanism (2) comprises a disc (201) mounted on the top of the support block (101), and a fixing box (202) is mounted inside the disc (201), and a slide groove (203) is provided on one side of the disc (201), and a screw rod (204) is rotatably connected between the slide groove (203) and the fixing box (202), and the outer side of the screw rod (204) is threadedly connected to a moving block (205), and an arc plate (206) is mounted on one side of the moving block (205), and a rubber pad (207) is mounted on the inner side of the arc plate (206), and a toothed disc (208) is rotatably connected to the inner side of the fixing box (202), and one end of the screw rod (204) is mounted. A first rotating tooth (209) is installed, and a connecting box (210) is installed on a side of the fixed box (202) away from the toothed disc (208), and a rotating rod (211) is rotatably connected between the connecting box (210), the fixed box (202) and the disc (201), and a second rotating tooth (212) is installed on one end of the rotating rod (211) located at the connecting box (210), and a third rotating tooth (213) is meshedly connected to one side of the second rotating tooth (212), and a rotating shaft on one side of the third rotating tooth (213) passes through the connecting box (210) and is rotatably connected to the connecting box (210), and a rotating shaft on one side of the third rotating tooth (213) is fixedly connected to the toothed disc (208).

2. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 1, characterized in that: The connecting assembly (3) comprises an annular plate (301) mounted on one side of the grinding block (104), and a limit box (302) is symmetrically mounted inside the annular plate (301), and an operating rod (304) is slidably connected to the inside of one end of the limit box (302), and a protruding plate (305) is mounted on one end of the operating rod (304) located inside the limit box (302), and a first contraction spring (306) is symmetrically arranged between the protruding plate (305) and the inner side of the limit box (302), and one end of the rotating shaft (103) is A fixed tube (307) is installed inside, and a push plate (308) is symmetrically slidably connected inside the fixed tube (307), and an insert block (309) is installed on one side of the push plate (308), and one end of the insert block (309) passes through the limit box (302) and is slidably connected to the limit box (302), and the protruding plate (305) and the insert block (309) are plugged in, and a second contraction spring (310) is provided between the push plates (308), and a mounting groove (311) is provided on the outer side of one end of the rotating shaft (103).

3. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 1, characterized in that: The toothed disc (208) is provided with a first insertion hole (214) inside, and a second insertion hole (215) is provided on one side of the fixing box (202), and a positioning rod (216) is provided in the gap between the first insertion hole (214) and the second insertion hole (215).

4. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 2, characterized in that: The bottom end of the servo motor (102) is provided with an electric telescopic rod (312), and the bottom end of the electric telescopic rod (312) is installed with a sliding block (313), and a moving groove (314) is opened inside one side of the top end of the base (1), and a threaded rod (315) is rotatably connected inside the moving groove (314), and the sliding block (313) is located on the outside of the threaded rod (315) and is threadedly connected, and a forward and reverse motor (316) is installed at one end of the threaded rod (315).

5. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 1, characterized in that: A guide groove (217) is provided on one side of the disc (201), and a guide rod (218) is symmetrically installed inside the arc-shaped plate (206), and one end of the guide rod (218) is slidably connected to the guide groove (217).

6. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 1, characterized in that: A handle (219) is installed at one end of the rotating rod (211).

7. The burr treatment device for a motorcycle injection-molded fuel tank according to claim 1, characterized in that: The first rotating teeth (209) are meshingly connected with the toothed disc (208).