Clamping device for machining motorcycle gearbox body

Abstract

The invention belongs to the technical field of gearbox machining, and particularly relates to a clamping device for machining a motorcycle gearbox body, which comprises a base, the top of the base is rotatably connected with a supporting seat, the top of the supporting seat is fixedly connected with a working table, the top of the working table is symmetrically and slidably connected with two clamping plates, and the two clamping plates are symmetrically and slidably connected with the supporting seat. According to the motorcycle gearbox body machining device, the push plate drives the insertion plate to move so that the clamping plates can be conveniently moved, through cooperation of the two clamping plates, the motorcycle gearbox body can be conveniently fixed so that machining can be conveniently conducted, and the machining efficiency can be improved. And the fixing block is conveniently driven to move through the pressing plate to fix or unlock the fixing ring, so that the workbench is conveniently rotated according to the use requirement, the rotation angle of the motorcycle gearbox body is adjusted, machining is facilitated, and good practicability and applicability are achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the gearbox processing technical field, in particular to a clamping device for processing a motorcycle gearbox body. BACKGROUND

[0002] The motorcycle gearbox is a key component for adjusting the engine output power and vehicle speed, and realizes the conversion of torque and speed through different transmission ratios. The basic function of the motorcycle gearbox is to change the transmission ratio of the engine output power to adapt to different road conditions and driving needs. It transmits the power of the engine to the rear wheel and adjusts the balance of speed and torque through gear shifting to ensure efficient operation of the vehicle during starting, climbing or high-speed driving. Main types and working principles: manual gearbox (step-variable).

[0003] It is composed of sequential constant mesh gears and needs to be shifted step by step, and cannot be operated by skipping gears. The power transmission is realized through the dog teeth combination of the clutch gear and the free gear, and the advantages are direct power transmission and high stability, but the operation is complex, and the typical structure includes an input shaft (connected to the clutch), an output shaft (drives the rear wheel) and multiple sets of variable speed gears.

[0004] Automatic gearbox (CVT) (stepless variable speed / CVT).

[0005] The CVT continuously adjusts the transmission ratio through variable diameter pulleys and steel belts, has no fixed gear position, smooth gear shifting and good fuel economy, but the power response may be delayed.

[0006] The AMT (automatic manual transmission) retains the gear structure and automatically operates the clutch and gear shifting through an electric control system, such as the V-AMT system of the infinitely variable CU250, which supports manual dialing and automatic mode switching.

[0007] The clamping device for processing the motorcycle gearbox body in the prior art is usually fixed in size, while the sizes of different motorcycle gearbox bodies are not consistent, which makes it inconvenient to fix different motorcycle gearbox bodies and has certain limitations. Moreover, the clamping device is usually fixed, and it is inconvenient to adjust the rotation angle of the motorcycle gearbox body according to the use demand, which causes inconvenience in processing the motorcycle gearbox body. Therefore, the clamping device for processing the motorcycle gearbox body is proposed to solve the above problems. SUMMARY

[0008] Based on the background technology, the size of the clamping device for machining motorcycle gearbox is usually fixed, and the sizes of different motorcycle gearboxes are not consistent, which leads to the inconvenience of fixing different motorcycle gearboxes and certain limitations, and the clamping device is usually fixed, which is not convenient for adjusting the rotation angle of the motorcycle gearbox according to the use requirement, resulting in the technical problem of inconvenience in machining the motorcycle gearbox, and the present application provides a clamping device for machining motorcycle gearbox.

[0009] The clamping device for machining motorcycle gearbox comprises a base, a supporting seat rotatably connected to the top of the base, a workbench fixedly connected to the top of the supporting seat, two clamping plates symmetrically and slidably connected to the top of the workbench, two supporting plates fixedly connected to the sides of the two clamping plates away from each other, two handles fixedly connected to the top of the two supporting plates, a positioning mechanism provided on one side of the clamping plate, a plug plate slidably connected to one side of the clamping plate, a plurality of plug slots equally spaced and formed in the top of the workbench, the plug plate being engaged with the plug slots, a fixing ring fixedly connected to the bottom of the workbench, a plurality of fixing grooves equally spaced and formed in the outer wall of the fixing ring, the fixing grooves being arranged in a ring shape, a fixing mechanism provided on the top of the base, four supporting rods symmetrically and fixedly connected to the bottom of the workbench, the four supporting rods being arranged in a ring shape, and a ring-shaped groove formed in the top of the base, the outer wall of the bottom of the supporting rod being movably connected to the inner wall of the ring-shaped groove.

[0010] Preferably, the positioning mechanism comprises two push plates, two transmission blocks, two push rods, two lifting rods and two lifting plates.

[0011] The push plate is slidably connected to the inner wall of the handle, the transmission block is slidably connected to the top of the supporting plate, the two push rods are rotatably connected to the side of the corresponding transmission block, the transmission block is movably contacted with the push plate, the two lifting rods are respectively slidably connected to the sides of the two clamping plates away from each other, the side of the lifting rod is rotatably connected to the side of the corresponding push rod, the two lifting plates are respectively slidably connected to the sides of the two clamping plates away from each other, the side of the lifting plate is fixedly connected to the side of the corresponding lifting rod, and the bottom of the lifting plate is fixedly connected to the top of the plug plate.

[0012] Further, by holding the handle and pushing the push plate upward, the push plate will contact the transmission block when moving, thereby pushing the transmission block forward, the push plate will compress the force spring when moving, the transmission block will push the push rod when moving, the push rod will drive the lifting rod upward, the lifting rod will drive the lifting plate upward when moving, the lifting rod is limited by the fixing sleeve to move vertically stably, the lifting plate will compress the return spring when moving, the fixing frame can limit the lifting plate to move vertically stably, and the lifting plate will drive the plug plate upward when moving, the plug plate will be out of contact with the plug slot when moving, thereby unlocking the clamping plate.

[0013] Preferably, the fixing mechanism comprises a pressing plate, a transmission rod, a pressing rod, a sliding bar and a sliding plate.

[0014] The sliding bar is slidingly connected to the top of the base, the sliding plate is fixedly connected to the top of the sliding bar, the left side of the sliding plate is fixedly connected to the right side of the fixing block, the pressing rod is rotatably connected to the front side of the sliding bar, the transmission rod is rotatably connected to the rear side of the pressing rod, and the pressing plate is fixedly connected to the top of the transmission rod.

[0015] Further, by pushing the pressing plate downward, the pushing spring is compressed and the guide rod is driven downward when the pressing plate moves downward, the guide rod is limited by the guide sleeve, so that the guide rod and the pressing plate move stably and vertically, and the transmission rod moves downward when the pressing plate moves downward, the pressing rod is pushed by the transmission rod, the sliding bar moves rightward when the pressing rod moves, the sliding plate moves rightward when the sliding bar moves, and the fixing block moves transversely and is out of contact with the fixing groove when the sliding plate moves, so that the fixing ring is unlocked, thereby rotating the workbench.

[0016] Preferably, the top inner wall of the two handles is fixedly connected with a force storage spring, the bottom of the force storage spring is fixedly connected with the top of the push plate, the top inner wall of the handle is provided with a limiting groove, the inner wall of the limiting groove is slidingly connected with a limiting plate, and the bottom of the limiting plate is fixedly connected with the top of the transmission block.

[0017] Further, the push plate is conveniently reset by the elastic force of the force storage spring, and the transmission block is conveniently limited by the cooperation of the limiting groove and the limiting plate, so that the transmission block moves stably within a limited distance.

[0018] Preferably, the side away from each other of the two clamping plates is fixedly connected with a stand, the number of the stand is two, the rear side of the two stands is movably connected with the front side of the corresponding lifting rod, and the rear side of the stand is fixedly connected with a fixing sleeve, and the inner wall of the fixing sleeve is movably connected with the outer wall of the lifting rod.

[0019] Further, the movement of the lifting rod is conveniently guided and the fixing sleeve is conveniently supported by the stand, and the lifting rod moves stably and vertically by the limiting of the fixing sleeve.

[0020] Preferably, the side away from each other of the two clamping plates is fixedly connected with a fixing frame, the front side of the fixing frame is movably connected with the rear side of the lifting plate, the bottom of the fixing frame is fixedly connected with a reset spring, and the bottom of the reset spring is fixedly connected with the top of the lifting plate.

[0021] Further, the lifting plate is conveniently pushed downward for resetting to make the plug plate engage with the plug groove by the elastic force of the reset spring, and the lifting plate is conveniently supported and limited by the fixing frame, and the lifting plate slides conveniently.

[0022] Preferably, the top of the workbench is symmetrically provided with a sliding groove, and the number of the sliding grooves is two; the bottom of each clamping plate is symmetrically and fixedly connected with a sliding block, and the number of the sliding blocks is four; and the four sliding blocks are movably connected with the inner walls of the corresponding sliding grooves.

[0023] Further, the clamping plates are conveniently positioned through the cooperation of the sliding blocks and the sliding grooves, so that the two clamping plates are stably moved transversely.

[0024] Preferably, the bottom of the pressing plate is fixedly connected with a pushing spring, the bottom of the pushing spring is fixedly connected with the top of the base, the right side of the base is fixedly connected with a guide sleeve, the inner wall of the guide sleeve is slidably connected with a guide rod, the guide rod penetrates through the guide sleeve, and the top of the guide rod is fixedly connected with the bottom of the pressing plate.

[0025] Further, the pressing plate is conveniently pushed up for resetting through the elastic force of the pushing spring, and the pressing plate is conveniently positioned through the cooperation of the guide sleeve and the guide rod, so that the pressing plate can only be moved vertically.

[0026] The beneficial effects of the present application are:

[0027] 1. The workbench conveniently supports the motorcycle gearbox body for processing, the supporting seat conveniently supports the workbench, the workbench conveniently drives the motorcycle gearbox body to rotate, the clamping plates conveniently clamp and fix the motorcycle gearbox body, and the supporting rods conveniently support the workbench, so that the workbench is stable during use;

[0028] 2. The pushing plate is moved up by holding the handle and pushing the pushing plate, the pushing plate contacts the transmission block when moving, so as to push the transmission block forward, the pushing plate compresses the force storage spring when moving, the transmission block pushes the push rod when moving, the push rod drives the lifting rod to move up, the lifting rod drives the lifting plate to move up when moving, the lifting rod is positioned by the fixing sleeve, so that the lifting rod is stably and vertically moved, the lifting plate compresses the reset spring when moving, the fixing frame positions the lifting plate, so that the lifting plate is stably and vertically moved, the lifting plate drives the insertion plate to move up when moving, the insertion plate is out of contact with the insertion slot when moving, so as to unlock the clamping plate;

[0029] 3. The pressing plate is moved down by pushing, the pushing plate compresses the pushing spring and drives the guide rod to move down when moving down, the guide sleeve positions the guide rod, so that the guide rod and the pressing plate are stably and vertically moved, the pressing plate drives the transmission rod to move down when moving down, the transmission rod pushes the pressing rod when moving down, the pressing rod drives the sliding strip to move right at this time, the sliding strip drives the sliding plate to move right at this time, the sliding plate drives the fixing block to move transversely and out of contact with the fixing slot when moving, so as to unlock the fixing ring, so as to rotate the workbench;

[0030] The present application drives the inserting plate to move conveniently by the pushing plate, and the motorcycle gearbox body is fixed conveniently by the cooperation of the two clamping plates, so that the working table is rotated according to the use requirement, and the rotation angle of the motorcycle gearbox body is adjusted, so that the processing is convenient, and the present application has good practicability and applicability. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a front view structural schematic diagram of the clamping device for processing the motorcycle gearbox body according to the present application;

[0032] Figure 2 It is a front view structural schematic diagram of the clamping device for processing the motorcycle gearbox body according to the present application;

[0033] Figure 3 It is a side view structural schematic diagram of the clamping plate of the clamping device for processing the motorcycle gearbox body according to the present application;

[0034] Figure 4 It is a structural schematic diagram of the clamping device for processing the motorcycle gearbox body according to the present application; Figure 2 A part of the present application;

[0035] Figure 5 It is a perspective view of the transmission block and the limiting plate of the clamping device for processing the motorcycle gearbox body according to the present application.

[0036] In the figure: 1, base; 2, support seat; 3, workbench; 4, support rod; 5, fixed ring; 6, clamping plate; 7, support plate; 8, handle; 9, pushing plate; 10, force storage spring; 11, transmission block; 12, limiting plate; 13, pushing rod; 14, lifting rod; 15, vertical plate; 16, fixed sleeve; 17, lifting plate; 18, fixed frame; 19, return spring; 20, inserting plate; 21, sliding block; 22, pressing plate; 23, pushing spring; 24, guide rod; 25, guide sleeve; 26, transmission rod; 27, pressing rod; 28, sliding strip; 29, sliding plate; 30, fixed block. DETAILED DESCRIPTION

[0037] The present application is further explained in combination with specific embodiments.

[0038] REFERENCE Figures 1-5The embodiment discloses a clamping device for processing a motorcycle gearbox body. The clamping device comprises a base 1, a supporting seat 2 rotatably connected to the top of the base 1, a workbench 3 fixedly connected to the top of the supporting seat 2, clamping plates 6 symmetrically and slidably connected to the top of the workbench 3, a plurality of supporting plates 7 fixedly connected to the sides, away from each other, of the clamping plates 6, a plurality of handles 8 fixedly connected to the top of the supporting plates 7, a positioning mechanism arranged on one side of the clamping plate 6, an inserting plate 20 slidably connected to the side of the clamping plate 6, a plurality of inserting slots formed at equal intervals in the top of the workbench 3, the inserting plate 20 being clamped with the inserting slots, a fixing ring 5 fixedly connected to the bottom of the workbench 3, a plurality of fixing grooves formed at equal intervals in the outer wall of the fixing ring 5, the fixing grooves being arranged in a ring shape, a fixing mechanism arranged on the top of the base 1, a plurality of supporting rods 4 fixedly connected to the bottom of the workbench 3, the supporting rods 4 being arranged in a ring shape, and a ring-shaped groove formed in the top of the base 1, the bottom outer wall of the supporting rod 4 being movably connected to the inner wall of the ring-shaped groove.

[0039] Through the above mechanism, the motorcycle gearbox body is conveniently supported by the workbench 3 for processing, the workbench 3 is conveniently supported by the supporting seat 2, the workbench 3 conveniently drives the motorcycle gearbox body to rotate, the motorcycle gearbox body is conveniently clamped and fixed by the clamping plates 6, and the workbench 3 is conveniently supported by the supporting rods 4, so that the workbench 3 is stable during use.

[0040] In the embodiment, the positioning mechanism comprises two push plates 9, two transmission blocks 11, two push rods 13, two lifting rods 14 and two lifting plates 17.

[0041] The push plate 9 is slidingly connected to the inner wall of the handle 8, the transmission block 11 is slidingly connected to the top of the support plate 7, the two push rods 13 are rotatably connected to the side of the corresponding transmission block 11, and the transmission block 11 is in movable contact with the push plate 9, the two lifting rods 14 are slidingly connected to the side of the two clamping plates 6 away from each other, one side of the lifting rod 14 is rotatably connected to one side of the corresponding push rod 13, the two lifting plates 17 are slidingly connected to the side of the two clamping plates 6 away from each other, one side of the two lifting plates 17 is fixedly connected to one side of the corresponding lifting rod 14, the bottom of the lifting plate 17 is fixedly connected to the top of the plug plate 20, by holding the handle 8 and pushing the push plate 9 upwards, when the push plate 9 moves, it will contact the transmission block 11, thereby pushing the transmission block 11 forward, the push plate 9 moves and compresses the force storage spring 10, the transmission block 11 moves and pushes the push rod 13, the push rod 13 moves and drives the lifting rod 14 upwards, the lifting rod 14 moves and drives the lifting plate 17 upwards, the fixing sleeve 16 limits the lifting rod 14 to move stably and vertically, the lifting plate 17 moves and compresses the return spring 19, the fixing frame 18 limits the lifting plate 17 to move stably and vertically, and the lifting plate 17 moves and drives the plug plate 20 upwards, the plug plate 20 moves and is out of contact with the insertion slot, so that the clamping plate 6 is unlocked.

[0042] In the embodiment, the fixing mechanism comprises a pressing plate 22, a transmission rod 26, a pressing rod 27, a sliding bar 28 and a sliding plate 29.

[0043] The sliding bar 28 is slidingly connected to the top of the base 1, the sliding plate 29 is fixedly connected to the top of the sliding bar 28, the left side of the sliding plate 29 is fixedly connected to the right side of the fixed block 30, the pressing rod 27 is rotatably connected to the front side of the sliding bar 28, the transmission rod 26 is rotatably connected to the back side of the pressing rod 27, and the pressing plate 22 is fixedly connected to the top of the transmission rod 26. By pushing the pressing plate 22 downwards, the pushing spring 23 is compressed and the guide rod 24 is driven to move downwards when the pressing plate 22 moves downwards, the guide sleeve 25 limits the guide rod 24 to move stably and vertically, and the pressing plate 22 moves downwards and drives the transmission rod 26 to move downwards, the transmission rod 26 moves downwards and pushes the pressing rod 27, the pressing rod 27 moves and drives the sliding bar 28 to move rightwards, the sliding bar 28 moves and drives the sliding plate 29 to move rightwards, the sliding plate 29 moves and drives the fixed block 30 to move transversely and out of contact with the fixed slot, thereby unlocking the fixing ring 5 and rotating the workbench 3.

[0044] In the embodiment, the inner wall of the top of the two handles 8 is fixedly connected with the force storage spring 10, the bottom of the force storage spring 10 is fixedly connected with the top of the push plate 9, the inner wall of the top of the handle 8 is provided with a limiting groove, the inner wall of the limiting groove is slidably connected with a limiting plate 12, the bottom of the limiting plate 12 is fixedly connected with the top of the transmission block 11, the elastic force of the force storage spring 10 facilitates the push plate 9 to be pushed to reset, and the cooperation of the limiting groove and the limiting plate 12 facilitates the transmission block 11 to be limited and stably move within a limited distance.

[0045] In the embodiment, the side, away from each other, of the two clamping plates 6 is fixedly connected with a vertical plate 15, the number of the vertical plate 15 is two, the rear side of the two vertical plates 15 is movably connected with the front side of the corresponding lifting rod 14, the rear side of the vertical plate 15 is fixedly connected with a fixed sleeve 16, the inner wall of the fixed sleeve 16 is movably connected with the outer wall of the lifting rod 14, the vertical plate 15 facilitates the movement of the lifting rod 14 to be guided and the fixed sleeve 16 to be supported, and the fixed sleeve 16 facilitates the lifting rod 14 to be limited and stably vertically move.

[0046] In the embodiment, the side, away from each other, of the two clamping plates 6 is fixedly connected with a fixed frame 18, the front side of the fixed frame 18 is movably connected with the rear side of the lifting plate 17, the bottom of the fixed frame 18 is fixedly connected with a reset spring 19, the bottom of the reset spring 19 is fixedly connected with the top of the lifting plate 17, the elastic force of the reset spring 19 facilitates the lifting plate 17 to be pushed to move downward to reset and thus the plug-in plate 20 to be engaged with the plug-in groove, the fixed frame 18 facilitates the lifting plate 17 to be supported and limited, and the lifting plate 17 to be slid.

[0047] In the embodiment, the top of the workbench 3 is symmetrically provided with a sliding groove, the number of the sliding groove is two, the bottom of the two clamping plates 6 is symmetrically fixedly connected with a sliding block 21, the number of the sliding block 21 is four, the four sliding blocks 21 are movably connected with the inner wall of the corresponding sliding groove, the cooperation of the sliding block 21 and the sliding groove facilitates the clamping plate 6 to be limited and thus the two clamping plates 6 to be stably horizontally moved.

[0048] In the embodiment, the bottom of the pressing plate 22 is fixedly connected with a pushing spring 23, the bottom of the pushing spring 23 is fixedly connected with the top of the base 1, the right side of the base 1 is fixedly connected with a guide sleeve 25, the inner wall of the guide sleeve 25 is slidably connected with a guide rod 24, the guide rod 24 penetrates through the guide sleeve 25, the top of the guide rod 24 is fixedly connected with the bottom of the pressing plate 22, the elastic force of the pushing spring 23 facilitates the pressing plate 22 to be pushed to move upward to reset, the cooperation of the guide sleeve 25 and the guide rod 24 facilitates the pressing plate 22 to be limited and thus the pressing plate 22 to be vertically moved.

[0049] Working principle: in actual use, when the motorcycle gearbox body needs to be processed, first of all, the base 1 is installed in the appropriate position, then according to the use demand selects the size appropriate clamping plate 6, in processing, first of all, the motorcycle gearbox body is placed on the top of the workbench 3, and makes the motorcycle gearbox body is located in the two clamping plate 6 side close to each other, at this time hold the handle 8 and push the push plate 9 up, when the push plate 9 moves will contact with the transmission block 11, so as to push the transmission block 11 forward, push plate 9 moves will compress the force spring 10, through the transmission block 11 moves will push the push rod 13, using push rod 13 will drive the lifting rod 14 up, lifting rod 14 moves will drive the lifting plate 17 up, through the fixed sleeve 16 on the lifting rod 14 limiting, make the lifting rod 14 stable vertical movement, lifting plate 17 moves will compress the return spring 19, at the same time, the fixed frame 18 can limit the lifting plate 17, make the lifting plate 17 stable vertical movement, lifting plate 17 moves will drive the plug plate 20 up, through the plug plate 20 moves will be in contact with the insertion slot from the contact so as to make the clamping plate 6 unlock, at this time can push the handle 8 from the drive support plate 7 lateral movement makes the clamping plate 6 lateral movement, through the clamping plate 6 lateral movement will be in contact with the outer wall of the motorcycle gearbox body, through the block and slide groove cooperation facilitates the clamping plate 6 limiting, make the clamping plate 6 stable lateral movement, through the clamping plate 6 clamping fixed motorcycle gearbox body, in use, according to the size of the motorcycle gearbox body in the top of the workbench 3 corresponding position opening insertion slot in order to fixed, when the clamping plate 6 moves to the appropriate position, through the push plate 9 is loosened, at this time the force spring 10 loses the limit will push the push plate 9 down to reset so as to make the transmission block 11 lose the limit, at the same time, the return spring 19 will push the lifting plate 17 down, lifting plate 17 moves will drive the plug plate 20 down, through the plug plate 20 reset and insertion slot clamping clamping plate 6 fixed, so as to make the motorcycle gearbox body fixed, at this time can process the motorcycle gearbox body, when the motorcycle gearbox body needs to adjust the rotation angle, first of all, push the pressing plate 22 down, in the pressing plate 22 down will compress the push spring 23 and drive the guide rod 24 down, through the guide sleeve 25 on the guide rod 24 limiting, make the guide rod 24 and the pressing plate 22 stable vertical movement, at the same time, the pressing plate 22 down will drive the transmission rod 26 down, using the transmission rod 26 down will push the pressure rod 27, at this time the pressure rod 27 moves will drive the slide strip 28 right, at this time the slide strip 28 moves will drive the slide plate 29 right, the slide plate 29 moves will drive the fixed block 30 lateral movement and fixed groove from the contact so as to make the fixed ring 5 unlock, at this time can rotate the fixed ring 5 workbench 3 rotation, so as to adjust the rotation angle of the motorcycle gearbox body, through the support rod 4 facilitates the workbench 3 auxiliary support, make the workbench 3 in rotation or use to keep stable, the fixed groove opening interval can be selected according to the use demand, when the motorcycle gearbox body rotates to the appropriate angle, through the pressing plate 22 is loosened, at this time the push spring 23 loses the limit will push the pressing plate 22 up to reset,Meanwhile, the pressing plate 22 drives the guide rod 24 to reset, the transmission rod 26 is driven to move by the reset of the pressing plate 22, at this time, the transmission rod 26 moves to pull the pressing rod 27, the slide bar 28 moves left by the movement of the pressing rod 27, so that the slide bar 28 drives the fixed block 30 to move transversely to reset and engage with the fixed groove to fix the fixed ring 5, so that the workbench 3 is fixed at the current angle, the rotating angle of the motorcycle gearbox body is adjusted according to the use requirement, and the effect that machining is carried out is realized.

[0050] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A clamping device for machining a motorcycle gearbox body, comprising a base (1), characterized in that: The top of the base (1) is rotatably connected to a support seat (2), the top of the support seat (2) is fixedly connected to a workbench (3), the top of the workbench (3) is symmetrically slidably connected to a clamping plate (6), and the number of the clamping plates (6) is two, and the sides of the two clamping plates (6) away from each other are fixedly connected to a support plate (7), the tops of the two support plates (7) are fixedly connected to a handle (8), one side of the clamping plate (6) is provided with a positioning mechanism, one side of the clamping plate (6) is slidably connected to an inserting plate (20), and the top of the workbench (3) is symmetrically slidably connected to a clamping plate (6). A plurality of slots are provided at intervals, and the inserting plates (20) are engaged with the slots. The bottom of the workbench (3) is fixedly connected with a fixing ring (5), and the outer wall of the fixing ring (5) is provided with a plurality of fixing slots at equal intervals, and the fixing slots are arranged in a ring shape. A fixing mechanism is provided at the top of the base (1), and the bottom of the workbench (3) is symmetrically fixedly connected with support rods (4), and the number of the support rods (4) is four, and the four support rods (4) are arranged in a ring shape. An annular groove is provided at the top of the base (1), and the outer wall of the bottom of the support rod (4) is movably connected to the inner wall of the annular groove.

2. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The positioning mechanism comprises: two push plates (9), two transmission blocks (11), two push rods (13), two lifting rods (14) and two lifting plates (17); The push plate (9) is slidably connected to the inner wall of the handle (8), the transmission block (11) is slidably connected to the top of the support plate (7), the two push rods (13) are rotatably connected to one side of the corresponding transmission block (11), and the transmission block (11) is in active contact with the push plate (9), the two lifting rods (14) are respectively slidably connected to the side of the two splints (6) away from each other, one side of the lifting rod (14) is rotatably connected to the side of the corresponding push rod (13), the two lifting plates (17) are respectively slidably connected to the side of the two splints (6) away from each other, one side of the two lifting plates (17) is fixedly connected to one side of the corresponding lifting rod (14), and the bottom of the lifting plate (17) is fixedly connected to the top of the plug plate (20).

3. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The fixing mechanism comprises: a pressing plate (22), a transmission rod (26), a pressing rod (27), a sliding bar (28) and a sliding plate (29); The slide bar (28) is slidably connected to the top of the base (1), the slide plate (29) is fixedly connected to the top of the slide bar (28), and the left side of the slide plate (29) is fixedly connected to the right side of the fixed block (30), the pressure rod (27) is rotatably connected to the front side of the slide bar (28), the transmission rod (26) is rotatably connected to the rear side of the pressure rod (27), and the pressure plate (22) is fixedly connected to the top of the transmission rod (26).

4. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The top inner walls of the two handles (8) are fixedly connected with a force storage spring (10), and the bottom of the force storage spring (10) is fixedly connected to the top of the push plate (9). A limiting groove is provided on the top inner wall of the handle (8), and the inner wall of the limiting groove is slidably connected to a limiting plate (12), and the bottom of the limiting plate (12) is fixedly connected to the top of the transmission block (11).

5. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The two clamping plates (6) are fixedly connected to a vertical plate (15) on the side away from each other, and the number of the vertical plates (15) is two. The rear sides of the two vertical plates (15) are movably connected to the front sides of the corresponding lifting rods (14). The rear sides of the vertical plates (15) are fixedly connected to a fixing sleeve (16), and the inner wall of the fixing sleeve (16) is movably connected to the outer wall of the lifting rod (14).

6. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The two clamping plates (6) are fixedly connected to a fixing frame (18) on the sides away from each other. The front side of the fixing frame (18) is movably connected to the rear side of the lifting plate (17). The bottom of the fixing frame (18) is fixedly connected to a return spring (19). The bottom of the return spring (19) is fixedly connected to the top of the lifting plate (17).

7. The clamping device for machining a motorcycle gearbox according to claim 1, characterized in that: The top of the workbench (3) is symmetrically provided with two slide grooves, and the bottoms of the two clamping plates (6) are symmetrically fixedly connected with sliders (21), and the number of the sliders (21) is four, and the four sliders (21) are movably connected to the inner walls of the corresponding slide grooves.

8. The clamping device for machining a motorcycle gearbox according to claim 3, characterized in that: The bottom of the pressure plate (22) is fixedly connected to a push spring (23), the bottom of the push spring (23) is fixedly connected to the top of the base (1), the right side of the base (1) is fixedly connected to a guide sleeve (25), the inner wall of the guide sleeve (25) is slidably connected to a guide rod (24), and the guide rod (24) passes through the guide sleeve (25), and the top of the guide rod (24) is fixedly connected to the bottom of the pressure plate (22).

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