Motorcycle transmission fixing plate machining mechanical arm

Abstract

The utility model belongs to the field of motorcycle accessory production and processing equipment, and provides a motorcycle transmission fixing plate processing mechanical arm which comprises a multi-degree-of-freedom mechanical arm, a tail end joint and a polishing device, the polishing device comprises a mounting base, a connecting base, a polishing motor, a polishing base and a working shaft, a bowl-shaped opening is formed in the end of the working shaft, and the polishing motor is connected with the mounting base. The bottom face of the bowl-shaped opening is provided with an inserting groove and a sand plate, the bottom face of the sand plate is used for being matched with a generatrix of a transmission fixing plate, the top face of the bowl-shaped opening is provided with a plurality of semi-annular holes, the polishing base is provided with air pressure connecting nozzles obliquely communicated with the semi-annular holes, and the air pressure connecting nozzles are used for being connected with an air source. The polishing device is adjusted through the multi-degree-of-freedom mechanical arm, polishing operation is completed in a covering mode, design is reasonable, specificity is achieved, unified product quality can be guaranteed easily, polished chippings can leave a sand plate in time in an air blowing mode, the quality of next-time polishing operation can be guaranteed easily, and the polishing device is suitable for large-scale popularization.

Description

Technical Field

[0001] The utility model belongs to the field of motorcycle accessories production and processing equipment, relates to a transmission counterweight fixing plate, and in particular to a motorcycle transmission fixing plate processing mechanical arm. Background Art

[0002] The main function of a motorcycle transmission is to change the speed and torque. The counterweight structure of the transmission can make the moving plate in the transmission move toward the fixed plate more stably, which is beneficial to control the distance between the driving wheel moving plate and the fixed plate. Since there is still a certain amount of margin and burrs on the transmission counterweight fixed plate after processing, it is necessary to use a grinding device to grind and polish it.

[0003] The traditional grinding process is to grind the fixed plate with a grinder by hand or by fixing it with a vise. However, with the requirement for improving production efficiency, a robotic arm has begun to be used to grind the surface of the fixed plate. However, the grinding head installed at the end of the robotic arm is a multi-functional grinding head. The grinding area at one time is small, and the robotic arm needs to complete multiple changes of direction in one grinding operation. On the one hand, the grinding efficiency is low, and on the other hand, the grinding quality will be inconsistent, affecting product quality. Utility Model Content

[0004] In view of the technical problems existing in the above-mentioned grinding device, the utility model proposes a motorcycle transmission fixing plate processing mechanical arm which has reasonable design, simple structure, special purpose and is conducive to ensuring uniform product quality.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the utility model provides a motorcycle transmission fixing plate processing mechanical arm, including a multi-degree-of-freedom mechanical arm, a terminal joint is arranged at the end of the multi-degree-of-freedom mechanical arm, a grinding device is arranged on the terminal joint, the grinding device includes a mounting seat, a connecting seat connecting the mounting seat and the terminal joint is arranged on the mounting seat, a grinding motor deviated from the terminal joint distribution is arranged on the mounting seat, a grinding seat corresponding to the grinding motor is arranged at the bottom of the mounting seat, a working shaft connected to the grinding motor transmission is arranged inside the grinding seat, a bowl-shaped mouth is arranged at the end of the working shaft, a plurality of slots distributed in a circular array are arranged on the bottom surface of the bowl-shaped mouth, a sanding plate is arranged in the slot, the bottom surface of the sanding plate is used to cooperate with the generatrix of the surface to be polished of the transmission fixing plate, a plurality of semi-annular holes are arranged on the top surface of the bowl-shaped mouth, and a pneumatic connection nozzle obliquely connected to the semi-annular hole is arranged on the grinding seat, and the pneumatic connection nozzle is used to connect an air source.

[0006] Preferably, the grinding seat is a hollow tower-shaped structure and its top is connected to the mounting seat flange.

[0007] Preferably, a T-shaped connecting sleeve is provided at the top center of the grinding seat, and the side and bottom surfaces of the T-shaped connecting sleeve are respectively connected to the working shaft and the grinding seat by screws.

[0008] Preferably, a key shaft hole is provided at the top of the working shaft, and the key shaft hole is connected to the output shaft of the grinding motor. The bottom of the connecting seat and the side of the multi-degree-of-freedom robotic arm are provided with a self-rotating joint. The end of the self-rotating joint is provided with a plurality of through holes, and the through holes are connected to a hose used to connect the air pressure connecting nozzle and the air source.

[0009] Preferably, the rotatable joint comprises a shaft section and a cap section, the through hole is arranged on the cap section, the shaft section is nested with the connecting seat and the side of the multi-degree-of-freedom robotic arm, an annular groove is arranged on the axial surface of the shaft section, and a piston ring is arranged in the annular groove.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are:

[0011] 1. The utility model provides a motorcycle transmission fixing plate processing mechanical arm, which uses a multi-degree-of-freedom mechanical arm to adjust the grinding device. The bowl-shaped mouth of the grinding device corresponds to the transmission fixing plate to be polished, and the grinding operation is completed in a covering manner. The design is reasonable, dedicated and conducive to ensuring the uniformity of product quality. Moreover, the debris after grinding can be blown away from the sand plate in time by air, which is conducive to ensuring the quality of the next grinding operation and is suitable for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 An axonometric view of a motorcycle transmission fixing plate processing mechanical arm provided in an embodiment;

[0014] Figure 2 A front view of a motorcycle transmission fixing plate processing mechanical arm provided in an embodiment;

[0015] Figure 3 A cross-sectional view of a motorcycle transmission fixing plate processing robot arm in the EE direction provided in an embodiment;

[0016] Figure 4 A cross-sectional view of a connecting seat and a self-rotating joint provided in an embodiment;

[0017] Figure 5An assembly diagram of a grinding device (without a grinding motor) provided in an embodiment;

[0018] Figure 6 An axonometric view of a transmission fixing plate provided for an embodiment;

[0019] In the above figures, 1. multi-degree-of-freedom robotic arm; 2. end joint; 3. grinding device; 31. mounting seat; 32. connecting seat; 33. grinding motor; 34. grinding seat; 35. working axis; 351. bowl-shaped mouth; 352. slot; 353. semi-circular hole; 354. key shaft hole; 36. sanding plate; 37. pneumatic connecting nozzle; 4. T-type connecting sleeve; 5. self-rotating joint; 51. through hole; 52. shaft section; 53. cap section; 54. piston ring; 6. transmission fixing plate. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear below, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Examples, such as Figures 1 to 6 As shown, the utility model provides a motorcycle transmission fixing plate processing mechanical arm, including a multi-degree-of-freedom mechanical arm 1, a terminal joint 2 is provided at the end of the multi-degree-of-freedom mechanical arm 1, and a grinding device 3 is provided on the terminal joint 2. Among them, the multi-degree-of-freedom mechanical arm 1 includes multiple degree-of-freedom joints, and the terminal joint 2 together with the grinding device 3 can realize multi-freedom movement and adjustment. Since the grinding device 3 is directly related to the grinding efficiency, in order to improve the grinding efficiency, the utility model proposes a beneficial improvement to the grinding device 3.

[0023] Specifically, the utility model provides a mounting seat 31, on which is provided a connecting seat 32 connecting the mounting seat 31 and the end joint 2, on which is provided a grinding motor 33 which is distributed away from the end joint 2, and at the bottom of the mounting seat 31 is provided a grinding seat 34 corresponding to the grinding motor 33, inside of the grinding seat 34 is provided a working shaft 35 which is transmission-connected to the grinding motor 33, at the end of the working shaft 35 is provided a bowl-shaped mouth 351, at the bottom surface of the bowl-shaped mouth 351 is provided a plurality of slots 352 which are distributed in a circular array, in the slots 352 is provided a sanding plate 36, at the bottom surface of the sanding plate 36 is used to cooperate with the main line of the surface to be polished of the transmission fixing plate 6, at the top surface of the bowl-shaped mouth 351 is provided a plurality of semi-annular holes 353, at the grinding seat 34 is provided an air pressure connection nozzle 37 which is obliquely connected to the semi-annular holes 353, and the air pressure connection nozzle 37 is used to connect an air source.

[0024] In this device, two mounting ports are arranged on the mounting seat 31, one of which is nested with the terminal joint 2 and the connecting seat 32 at the same time, and a radial screw is arranged on the outer side of the mounting port to connect the terminal joint 2 and the connecting seat 32, thereby ensuring the synchronous movement of the terminal joint 2 and the mounting seat 31; the other mounting port is flange-connected with the grinding motor 33 and the grinding seat 34. The multi-degree-of-freedom manipulator 1 drives the terminal joint 2 and the grinding device 3 to move synchronously, such as making the grinding device 3 contact and leave the workpiece to be polished, the bowl-shaped port 351 of the working shaft 35 corresponds to the transmission fixing plate 6 to be polished, and while the grinding motor 33 drives the working shaft 35 to rotate, the sanding plate 36 sequentially sweeps the surface of the transmission fixing plate 6 to be polished, and completes the grinding operation in a covering manner, which is specialized and conducive to ensuring uniform product quality; for the debris after grinding, it can be blown away from the sanding plate 36 in time, which is conducive to ensuring the quality of the next grinding operation.

[0025] In order to improve the connection reliability between the grinding seat 34 and the mounting seat 31, the top of the grinding seat 34 provided by the utility model is flange-connected to the mounting seat 31, and considering the structural characteristics of the working shaft 35, the utility model adopts a hollow tower structure for the grinding seat 34, thereby maintaining a high space intensiveness on the basis of effectively installing the working shaft 35, and the hollow part also provides a reliable rotating mating surface for the working shaft 35.

[0026] In order to facilitate the assembly of the mounting seat 31, the grinding seat 34, the working shaft 35 and the grinding motor 33, the top center of the grinding seat 34 provided by the utility model is provided with a T-shaped connecting sleeve 4, and the side and bottom surfaces of the T-shaped connecting sleeve 4 are respectively connected to the working shaft 35 and the grinding seat 34 by screws. In this way, the T-shaped connecting sleeve 4 and the working shaft 35 can be installed from the upper and lower directions of the grinding seat 34, and after the screws are driven in, the grinding seat 34 is connected to the mounting seat 31, and the grinding motor 33 is installed on the mounting seat to directly establish a transmission relationship with the working shaft 35.

[0027] Furthermore, the utility model provides a key shaft hole 354 at the top of the working shaft 35 , and the key shaft hole 354 is connected to the output shaft of the grinding motor 33 .

[0028] In order to ensure the overall performance of the air pressure pipeline, the utility model is provided with a self-rotating joint 5 at the bottom of the connection seat 32 and the side of the multi-degree-of-freedom robot arm 1. The end of the self-rotating joint 5 is provided with a plurality of through holes 51, and the through holes 51 are connected to a hose (not shown) used to connect the air pressure connection nozzle 37 and the air source. Thus, the hose can pass through the through hole 51 and be movably connected with different self-rotating joints 5. In this way, the hose is concentratedly bundled, which not only reduces the probability of interference with other structures, but also ensures its flexible adjustment, and avoids the multi-degree-of-freedom robot arm 1 from tearing the hose when adjusting the angle of the grinding device 3.

[0029] In order to improve the assembly performance of the self-rotating joint 5, the self-rotating joint 5 provided by the utility model includes a shaft section 52 and a cap section 53, a through hole 51 is arranged on the cap section 53, the shaft section 52 is nested with the side of the connecting seat 32 and the multi-freedom mechanical arm 1, an annular groove is arranged on the axial surface of the shaft section 52, and a piston ring 54 is arranged in the annular groove. The self-rotating joint 5 is directly inserted into the side of the connecting seat 32 or the multi-freedom mechanical arm 1 by the way of the shaft section 52 being nested, and the piston ring 54 is used to locate its axial position, and the piston ring 54 also ensures that it can flexibly rotate to adapt to the traction force of the hose and ensure the connection reliability of the hose.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A motorcycle transmission fixing plate processing robot arm, comprising a multi-degree-of-freedom robot arm, the end of which is provided with a terminal joint, and the terminal joint is provided with a grinding device, characterized in that: The grinding device includes a mounting seat, a connecting seat connecting the mounting seat and the end joint is provided on the mounting seat, a grinding motor deviated from the end joint is provided on the mounting seat, a grinding seat corresponding to the grinding motor is provided at the bottom of the mounting seat, a working shaft connected to the grinding motor is provided inside the grinding seat, a bowl-shaped mouth is provided at the end of the working shaft, a plurality of slots distributed in a circular array are provided on the bottom surface of the bowl-shaped mouth, a sanding plate is provided in the slot, the bottom surface of the sanding plate is used to cooperate with the generatrix of the surface to be polished of the transmission fixing plate, a plurality of semi-annular holes are provided on the top surface of the bowl-shaped mouth, and an air pressure connecting nozzle obliquely connected to the semi-annular holes is provided on the grinding seat, and the air pressure connecting nozzle is used to connect an air source.

2. A motorcycle transmission fixing plate processing robot arm according to claim 1, characterized in that: The grinding seat is a hollow tower-shaped structure and the top thereof is connected to the mounting seat flange.

3. A motorcycle transmission fixing plate processing robot arm according to claim 2, characterized in that: A T-shaped connecting sleeve is arranged at the top center of the grinding seat, and the side surface and bottom surface of the T-shaped connecting sleeve are respectively connected to the working shaft and the grinding seat through screws.

4. A motorcycle transmission fixing plate processing robot arm according to claim 3, characterized in that: A key shaft hole is provided on the top of the working shaft, and the key shaft hole is connected to the output shaft of the grinding motor. The bottom of the connecting seat and the side of the multi-degree-of-freedom robotic arm are provided with a self-rotating joint. The end of the self-rotating joint is provided with multiple through holes, and the through holes are connected to a hose used to connect the air pressure connecting nozzle and the air source.

5. A motorcycle transmission fixing plate processing robot arm according to claim 4, characterized in that: The self-rotating joint includes a shaft section and a cap section, the through hole is arranged on the cap section, the shaft section is nested with the connecting seat and the side of the multi-degree-of-freedom mechanical arm, an annular groove is arranged on the axial surface of the shaft section, and a piston ring is arranged in the annular groove.

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