Turnover tool for transmission production and assembly

Abstract

The utility model discloses a turnover tool for transmission production and assembly, which comprises an operating platform arranged on a conveying mechanism, and is characterized in that at least two groups of supporting wheels arranged in pairs are mounted on the operating platform, the two supporting wheels in each group are arranged at intervals, and a turnover frame is supported on the two supporting wheels; a positioning mechanism for limiting the transmission body is arranged on the turnover frame 3; a driving wheel set which is driven by a driving mechanism to enable the turnover frame to turn over is further installed on the operation platform. And by arranging the overturning frame and other structures and adopting an assembling and overturning integrated structure, the transmission body does not need to be positioned again during overturning, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission production, in particular to a turnover tool for transmission production and assembly. Background Art

[0002] A transmission, also known as a gearbox, is a mechanism used to change the speed and torque of the engine. It can change the transmission ratio between the output and input shafts in a fixed or step-by-step manner. A transmission consists of a speed change transmission mechanism and an operating mechanism. Some vehicles also have a power take-off mechanism. The transmission mechanism mostly uses conventional gears, although some use planetary gears. Conventional gear transmission mechanisms typically utilize sliding gears and synchronizers. During the production and assembly of transmissions, the transmission body is typically positioned using methods such as clamping and positioning, and then the associated components are assembled onto the body. During this assembly process, the body often needs to be flipped. Currently, the commonly used flipping device is a separate mechanism located outside the production line. This requires manual removal of the body from the production line, grasping it, and flipping it. After flipping, the body must be re-clamped onto the production line. This method of flipping the body during the flipping process presents several issues, including low production efficiency, high labor costs, and insufficient assembly precision.

[0003] In the prior art, patent number "202322420818.6" and titled "Automatic Turning Device for Gearbox Production" includes an operating table, the upper end of which is fixedly connected to a processing table, and two movable tables are slidably arranged above the operating table. Clamping plates are rotatably arranged on the adjacent sides of the two movable tables, one of which is provided with a clamping groove on one side, and the output end of the clamping groove is fixed to the processing table. Adjustment grooves are provided on the upper ends of the two clamping plates, and the inner bottom walls of the two adjustment grooves are fixedly connected to two hydraulic cylinders. The upper ends of the four hydraulic cylinders are fixedly connected to two adjustment plates, and two adjustment plates and one side of the two clamping plates are fixedly connected to two limit plates. The clamping plates, adjustment grooves, hydraulic cylinders, adjustment plates, limit plates and clamping grooves cooperate to clamp the transmission and then flip it through the clamping grooves. However, the above solution still has the following problems: during the assembly process of the production line, each workstation needs to be equipped with a flipping device, which is costly, and the flipping device needs to reposition the transmission body after flipping. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a turning tool for transmission production and assembly, which adopts an integrated assembly and turning structure. When turning, there is no need to reposition the transmission body, thereby improving work efficiency.

[0005] In order to solve the above technical problems, the utility model includes an operating platform arranged on a conveying mechanism, and its structural feature is that at least two groups of supporting wheels arranged in pairs are installed on the operating platform, the two supporting wheels in each group are arranged at intervals and supported on a flip frame, and the flip frame is provided with a positioning mechanism for limiting the transmission body; the operating platform is also equipped with a driving wheel group driven by a driving mechanism to flip the flip frame.

[0006] After adopting the above structure, on the production line for assembling the transmission, first, the transmission body is positioned on the operating platform through the positioning mechanism to avoid shaking during assembly and flipping; then, the conveying mechanism conveys the operating platform to the operating station, and the staff assembles the transmission body on it; finally, when the assembly work is completed and needs to be flipped, the driving mechanism works, and the driving wheel group drives the flip frame to flip with the support and cooperation of the support wheels. After the flip is completed, the staff performs the next step of assembling the transmission body. By providing at least two sets of paired support wheels, the flip frame is supported and limited, ensuring that the flip frame flips smoothly with the support wheels to avoid accidents such as derailment and slipping; by providing a positioning mechanism, the transmission body is limited to avoid offset during transportation or flipping; by providing a driving wheel group, power is provided for flipping the flip frame, driving the flip frame to rotate and smoothly complete the flip. The utility model adopts an integrated assembly and flipping structure, and there is no need to reposition the transmission body during flipping, thereby improving work efficiency.

[0007] Preferably, the flip frame includes two first and second arc plates that are respectively pressed against corresponding support wheels and are arranged in parallel. The first and second arc plates are connected to a drive plate that cooperates with the drive wheel set on the outside, a first support plate that is horizontally arranged and a second support plate that is vertically arranged on the inside, and a first bottom plate that is vertically arranged and a second bottom plate that is horizontally arranged on the ends. The first support plate is connected to the inner end of the second support plate, and the bottom and side surfaces of the transmission body are pressed against the first support plate and the second support plate respectively. By arranging the first arc plate, the second arc plate and the drive plate, the drive plate moves under the action of the drive wheel set, and the first and second arc plates are pressed against the corresponding support wheels and rotate along them, so that the entire flip frame can be flipped smoothly. The arrangement of the first and second support plates provides a placement platform for the transmission body.

[0008] Preferably, the contact surfaces between the first arc plate and the second arc plate and the corresponding support wheels are both configured as arc surfaces, so that the first arc plate and the second arc plate move smoothly along the corresponding support wheels, thereby ensuring that the turning frame turns smoothly.

[0009] Preferably, there is a distance between the outer edges of the first and second arc plates and the arc surface of the driving plate; to ensure that the first and second arc plates can move smoothly along the supporting wheel and avoid the supporting wheel being stuck on the driving plate.

[0010] Preferably, the positioning mechanism includes two perpendicular first guide rails and two perpendicular second guide rails, each of which is disposed on opposite sides of the first and second arc plates, with each first guide rail being disposed opposite a corresponding second guide rail. A push plate, driven to move by a drive mechanism, is slidably connected to each of the first and second guide rails. The first support plate is provided with a first opening, and the second support plate is provided with a second opening. The push plate passes through the corresponding first or second opening and abuts against the transmission body. The provision of the first and second guide rails provides support for the push plate and guides its movement direction, ensuring smooth movement of the push plate when driven by the drive mechanism.

[0011] Preferably, the two pairs of the first guide rails and the second guide rails are respectively arranged corresponding to the first opening and the second opening, ensuring that the push plate can slide smoothly at the first opening and the second opening, so that the push plate can smoothly rest on the transmission body.

[0012] Preferably, a first accommodating groove for limiting the transmission body is provided on the first support plate, and a second accommodating groove for limiting the transmission body is provided on the second support plate; so as to limit the transmission body and prevent it from shifting.

[0013] Preferably, the driving wheel group includes a plurality of spaced mounting bases arranged on the operating platform, the mounting bases are provided with a driving shaft driven to rotate by a power mechanism, and the driving shaft is provided with at least one driving wheel which rests on the driving plate and can drive the driving plate to rotate; the driving plate rotates under the rotation of the driving wheel, so as to provide power for the flipping of the flip frame.

[0014] Preferably, the number of the driving wheels is set to two and they are spaced apart, and the two driving wheels are located between the two first arc plates and the second arc plates and against the two ends of the driving plate, so as to ensure the smooth turning of the turning frame.

[0015] The utility model provides a first arc plate, a second arc plate and a driving plate connected therebetween on the turning frame, the first arc plate and the second arc plate are against the corresponding supporting wheels, the driving plate cooperates with the driving wheel on the driving wheel group, the driving plate moves and rotates under the action of the driving wheel group, and the first arc plate and the second arc plate rotate with the driving plate. During this period, the support wheels play the role of supporting the turning frame and limiting it, so that the entire turning frame can turn smoothly; the first supporting plate and the second supporting plate are perpendicular to each other and are provided on the first arc plate and the second arc plate to provide a placement platform for the transmission body; the contact surface between the first arc plate and the second arc plate and the corresponding supporting wheels is set as an arc surface, so that the first arc plate and the second arc plate are smooth when moving along the corresponding supporting wheels, so as to ensure that the turning frame turns smoothly; A spacing is set between the outer edges of the two arc plates and the arc surface of the drive plate to ensure that the first arc plate and the second arc plate can move smoothly along the support wheel, ensure smooth flipping, and prevent the support wheel from getting stuck on the drive plate and affecting flipping; the first guide rail and the second guide rail provided on the opposite sides of the first arc plate and the second arc plate provide support for the push plate and guide its movement direction, ensuring that the push plate moves smoothly when driven by the drive mechanism; the first and second receiving grooves for limiting the transmission body are respectively provided on the first and second support plates, so as to facilitate initial limit of the transmission body and prevent it from shifting; at least one driving wheel is sleeved on the driving shaft of the driving wheel shaft, which abuts against the driving plate and can drive it to rotate, so that the driving plate rotates under the rotation of the driving wheel, so as to provide power for the flipping of the flip frame. The utility model adopts an integrated assembly and flipping structure, and there is no need to reposition the transmission body during flipping, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings that constitute part of this application are used to provide a further understanding of this application and make other features, objects and advantages of this application more apparent. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation of this application. In the drawings:

[0017] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of another direction of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the main view of the utility model;

[0020] Figure 4 for Figure 3 A schematic diagram of the left view of the structure;

[0021] Figure 5 for Figure 3A schematic diagram of the structure of the right view;

[0022] Figure 6 for Figure 3 A schematic diagram of the structure from a top view;

[0023] Figure 7 for Figure 3 Schematic diagram of the structure of AA;

[0024] Figure 8 for Figure 3 Schematic diagram of the structure of BB;

[0025] Figure 9 These are two states of the turning frame of the utility model.

[0026] In the figure: 1-operating platform, 2-support wheel, 3-turning frame, 301-first arc plate, 302-second arc plate, 303-driving plate, 304-first supporting plate, 3041-first opening, 3042-first accommodating groove, 305-second supporting plate, 3051-second opening, 3052-second accommodating groove, 306-first bottom plate, 307-second bottom plate, 4-positioning mechanism, 401-first guide rail, 402-second guide rail, 403-push plate, 5-driving wheel group, 501-driving shaft, 502-driving wheel, 6-transmission body. DETAILED DESCRIPTION

[0027] In order to make the technical personnel in this field better understand the present application scheme, the following Figure 1-9 , a clear and complete description of the technical solutions in the embodiments of the present utility model is given.

[0028] An embodiment is now used to describe the above solution in detail. For the convenience of description, Figure 3 The left and right directions are set to the horizontal direction, the left side is the front, the right side is the back, and the up and down directions are set to the vertical direction. Figure 6 The lower side is set as the front side and the upper side is set as the rear side.

[0029] A turning tool for transmission production and assembly includes an operating platform 1 arranged on a conveying mechanism, at least two groups of support wheels 2 arranged in pairs are installed on the operating platform 1, the two support wheels 2 in each group are arranged at intervals, and a turning frame 3 is supported on multiple support wheels 2, and multiple support wheels 2 are evenly distributed at the bottom of the turning frame 3 to ensure stable support and smooth subsequent turning, wherein the support wheels can rotate to provide support and assist the rotation of the turning frame 3 when it turns over; a transmission body 6 is provided on the turning frame 3 through a positioning mechanism 4, that is, the transmission body 6 is positioned on the turning frame 3 through the positioning mechanism 4, and the turning frame 3 is limited to facilitate subsequent assembly; the operating platform 1 is also equipped with a driving wheel group 5 driven by a driving mechanism and capable of turning the turning frame 3. Furthermore, the operating platform 1 is provided with four wheel mounting seats arranged in a rectangular shape, and each wheel mounting seat is installed with the above-mentioned support wheel 2 that can rotate by itself, wherein the two wheel mounting seats with a longer distance are consistent with and coordinated with the longer direction of the turning frame 3 to ensure that the turning frame 3 is smoothly supported and kept balanced; the above-mentioned conveying mechanism adopts a belt conveyor or other device that can be used on the production line and smoothly convey the operating platform 1. The above-mentioned flip frame 3 is set as a cylindrical structure and has two vertically arranged incisions thereon. The flip frame 3 includes two first arc plates 301 and second arc plates 302 that are respectively pressed against the corresponding support wheels 2 and are arranged in parallel and spaced apart. The bottoms of the first arc plate 301 and the second arc plate 302 are respectively pressed against two support wheels 2 spaced apart in the horizontal direction to ensure that the flip frame 3 is stable; the outer side of the first arc plate 301 and the second arc plate 302 is connected to a driving plate 303 that cooperates with the driving wheel group 5, the inner side is connected to a horizontally arranged first support plate 304 and a vertically arranged second support plate 305, and the ends are connected to a vertically arranged first bottom plate 306 and a horizontally arranged second bottom plate 307. The first support plate 304 is connected to the inner end of the second support plate 305, and the bottom and side surfaces of the transmission body 6 are respectively pressed against the first support plate 304 and the second support plate 305.Furthermore, the first arc plate 301 and the second arc plate 302 have the same structure and are both set as cylindrical structures with right-angled notches. The right-angled notch of the first arc plate 301 is set as a horizontally arranged first transverse cut and a vertically arranged first vertical cut. The left ends of the first transverse cut and the first vertical cut are connected. The first transverse cut and the first vertical cut are vertically arranged to provide a support base for the subsequent transmission body. The right-angled notch of the second arc plate 302 is set as a horizontally arranged second transverse cut and a vertically arranged second vertical cut. The left ends of the second transverse cut and the second vertical cut are connected. The second transverse cut and the second vertical cut are vertically arranged. To provide a support base for the subsequent transmission body 6, so that the transmission body 6 is stable, which is conducive to subsequent assembly and flipping; the first support plate 304 is set on the first transverse cut and the second transverse cut to provide support for the bottom of the transmission body 6, and the second support plate 305 is set on the first vertical cut and the second vertical cut to provide support for the side of the transmission body 6, so as to support the transmission body 6; at the same time, positioning holes can also be started on the first support plate 304 and the second support plate 305 to perform initial positioning of the transmission body 6 to be assembled, so as to avoid displacement during assembly or flipping and affect the assembly quality. Furthermore, the contact surfaces between the first arc plate 301 and the second arc plate 302 and the corresponding support wheel 2 are both set as arc surfaces, so that the first arc plate 301 and the second arc plate 302 can move smoothly along the corresponding support wheel 2 to ensure that the turning frame 3 can turn over smoothly, and the supporting wheel 2 has a groove around the circumference to accommodate the width of the first arc plate 301 or the second arc plate 302 to limit the turning frame 3 and ensure that the turning frame 3 is stable during assembly and turning to avoid derailment; there is a gap between the outer edges of the first arc plate 301 and the second arc plate 302 and the arc surface of the driving plate 303 to ensure The first curved plate 301 and the second curved plate 302 can move smoothly along the support wheel 2 to prevent the support wheel 2 from getting stuck on the drive plate 303. The first support plate 304 is provided with a first opening 3041, and the second support plate 305 is provided with a second opening 3051. The first support plate 304 is also provided with a first receiving groove 3042 for limiting the position of the transmission body 6, and the second support plate 305 is also provided with a second receiving groove 3052 for limiting the position of the transmission body 6, so as to ensure that the transmission body 6 is initially limited and further prevent it from shifting during assembly or flipping. By providing the first curved plate 301, the second curved plate 302 and the drive plate 303, the drive plate 303 moves under the action of the drive wheel assembly 5, and the first curved plate 301 and the second curved plate 302 rest on the corresponding support wheel 2 and rotate along it, so that the entire flip frame 3 can flip smoothly. The provision of the first support plate 304 and the second support plate 305 provides a positioning platform for the transmission body 6.

[0030] The positioning mechanism 4 can use fasteners to position the transmission body 6, fixing the two sides of the transmission body 6 to the first support plate 304 and the second support plate 305, respectively. Alternatively, a combined structure can be used to position the transmission body 6. This combined structure will now be described in detail. The positioning mechanism 4 includes two vertically arranged first guide rails 401 and two vertically arranged second guide rails 402, respectively arranged on opposite sides of the first arc plate 301 and the second arc plate 302. Each first guide rail 401 is arranged opposite to a corresponding second guide rail 402. Each first guide rail 401 and the corresponding second guide rail 402 are slidably connected to a push plate 403 that is driven and moved by a drive mechanism, wherein the drive mechanism is mounted on the first base plate 306 or the second base plate 307. The drive mechanism can be a cylinder or other mechanical component. The push plate 403 passes through the corresponding first opening 3041 or second opening 3051 and abuts against the transmission body 6. Furthermore, each pair of first and second guide rails 401 and 402 is respectively configured to correspond to the corresponding first and second openings 3041 and 3051, ensuring that the push plate 403 can slide smoothly horizontally through the first opening 3041 and vertically through the second opening 3051, allowing the push plate 403 to smoothly abut against the transmission body 6. Furthermore, the first guide rails 401 are configured as mutually perpendicular first transverse guide rails and first vertical guide rails, while the second guide rails 402 are configured as mutually perpendicular second transverse guide rails and second vertical guide rails. The first and second transverse guide rails are disposed opposite each other and parallel to the first support plate 304, while the first and second vertical guide rails are disposed opposite each other and parallel to the second support plate 305. The push plate 403 is configured as a transverse push plate and a vertical push plate, with the transverse push plate mounted on the first and second transverse guide rails, and the vertical push plate mounted on the first and second vertical guide rails, ensuring the stability of the transverse and vertical push plates. The first guide rail 401 and the second guide rail 402 are provided to provide support for the push plate 403 and guide its movement direction, thereby ensuring that the push plate 403 moves smoothly when the driving mechanism is driven.

[0031] The drive wheel assembly 5 comprises a plurality of spaced-apart mounting bases mounted on the operating platform 1. Each mounting base is fitted with a drive shaft 501 driven by a power mechanism, such as a motor. The drive shaft 501 is fitted with at least one drive wheel 502 that abuts against the drive plate 303 and drives the drive plate 303. This rotation of the drive wheel 502 causes the drive plate 303 to rotate, providing power for the turning of the tilting frame 3. There are two drive wheels 502, spaced apart, each located between the first and second curved plates 301, 302, abutting against each end of the drive plate 303 to ensure smooth turning of the tilting frame 3.

[0032] On the transmission assembly line, the transmission body 6 is first positioned on the operating platform 1 using the positioning mechanism 4 to prevent shaking during assembly and flipping. Then, the conveying mechanism transports the operating platform 1 to the operating station, where workers assemble the transmission body 6. Finally, when assembly is complete and flipping is required, the drive mechanism operates, and the drive wheel assembly 5 drives the flip frame 3 to flip with the support and cooperation of the support wheels 2. After flipping is complete, workers proceed to the next step of assembling the transmission body 6. The present invention provides a positioning mechanism 4 to limit the position of the transmission body 6, preventing deviation during conveyance or flipping. It also provides at least two pairs of support wheels 2 to support and limit the flip frame, ensuring that the flip frame 3 flips smoothly with the support wheels 2, preventing accidents such as derailment and slipping. The drive wheel assembly 5 provides power for the flip frame during flipping, driving the flip frame 3 to rotate and smoothly complete the flip. The present invention adopts an integrated assembly and flipping structure, eliminating the need to reposition the transmission body 6 during flipping, thereby improving work efficiency. The utility model provides a first arc plate 301, a second arc plate 302 and a driving plate 303 connected therebetween on the flip frame 3, the driving plate cooperates with the driving wheel on the driving wheel group, and the driving plate 303 moves and rotates under the action of the driving wheel group 5, and the first arc plate 301 and the second arc plate 302 rotate with the driving plate. During this period, the support wheel plays the role of supporting the flip frame and limiting it, so that the entire flip frame 3 can flip smoothly; a first support plate 304 and a second support plate are provided on the first arc plate 301 and the second arc plate 302, which are perpendicular to each other, to provide a placement platform for the transmission body 6; by setting the contact surface between the first arc plate 301 and the second arc plate 302 and the corresponding support wheel 2 as an arc surface, the first arc plate 301 and the second arc plate 302 are smooth when moving along the corresponding support wheel 2, so as to ensure that the flip frame 3 flips smoothly; by A spacing is set between the arc surfaces to ensure that the first arc plate 301 and the second arc plate 302 can move smoothly along the support wheel 2, ensure smooth flipping, and avoid the support wheel 2 being stuck on the driving plate 303 and affecting the flipping; the first guide rail 401 and the second guide rail 402 set on the opposite sides of the first arc plate 301 and the second arc plate 302 provide support for the push plate 403 and guide its movement direction, ensuring that the push plate 403 moves smoothly when the driving mechanism drives; the first accommodating groove 3042 and the second accommodating groove 3052 for limiting the transmission body 6 are respectively opened on the first support plate 304 and the second support plate, so as to facilitate the initial limit of the transmission body 6 and prevent it from deflecting; at least one driving wheel 502 is sleeved on the driving shaft 501 of the driving wheel shaft, which is against the driving plate 303 and can drive it to rotate, so that the driving plate 303 rotates under the rotation of the driving wheel 502, so as to provide power for the flipping of the flip frame 3.The utility model adopts an integrated assembly and flipping structure, and there is no need to reposition the transmission body 6 during flipping, thereby improving work efficiency.

[0033] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the present utility model, they should all fall within the scope of protection of the present utility model.

Claims

1. A turning tool for transmission production and assembly, comprising an operating platform (1) arranged on a conveying mechanism, characterized in that: At least two groups of supporting wheels (2) arranged in pairs are mounted on the operating platform (1), the two supporting wheels (2) in each group are spaced apart and support a turning frame (3) thereon, the turning frame (3) being provided with a positioning mechanism (4) for limiting the position of the transmission body (6); the operating platform (1) is also provided with a driving wheel group (5) driven by a driving mechanism to turn the turning frame (3) over.

2. The turning tool for transmission production and assembly according to claim 1, characterized in that: The turning frame (3) comprises two first arc plates (301) and a second arc plate (302) respectively pressed against corresponding support wheels (2) and arranged in parallel. A driving plate (303) cooperating with the driving wheel set (5) is connected on the outer side between the first arc plate (301) and the second arc plate (302), a horizontally arranged first support plate (304) and a vertically arranged second support plate (305) are connected on the inner side, and a vertically arranged first bottom plate (306) and a horizontally arranged second bottom plate (307) are connected at the end. The first support plate (304) is connected to the inner end of the second support plate (305). The bottom surface and the side surface of the transmission body (6) are pressed against the first support plate (304) and the second support plate (305) respectively.

3. The transmission production and assembly turning tool according to claim 2, characterized in that: The contact surfaces between the first arc plate (301) and the second arc plate (302) and the corresponding support wheels (2) are both configured as arc surfaces.

4. The turning tool for transmission production and assembly according to claim 3, characterized in that: There is a distance between the outer edges of the first arc plate (301) and the second arc plate (302) and the arc surface of the driving plate (303).

5. The turning tool for transmission production and assembly according to claim 2, characterized in that: The positioning mechanism (4) comprises two vertically arranged first guide rails (401) and two vertically arranged second guide rails (402) respectively arranged on opposite sides of the first arc plate (301) and the second arc plate (302), each of the first guide rails (401) being arranged opposite to the corresponding second guide rail (402); a push plate (403) driven to move by a driving mechanism is slidably connected to the first guide rail (401) and the opposite second guide rail (402); a first opening (3041) is provided on the first support plate (304), and a second opening (3051) is provided on the second support plate (305); the push plate (403) passes through the corresponding first opening (3041) or the second opening (3051) and abuts against the transmission body (6).

6. The turning tool for transmission production and assembly according to claim 5, characterized in that: The two pairs of the first guide rails (401) and the second guide rails (402) are respectively arranged corresponding to the corresponding first opening (3041) and the second opening (3051).

7. The turning tool for transmission production and assembly according to claim 5, characterized in that: A first accommodating groove (3042) for limiting the position of the transmission body (6) is provided on the first support plate (304), and a second accommodating groove (3052) for limiting the position of the transmission body (6) is provided on the second support plate (305).

8. The turning tool for transmission production and assembly according to claim 1, characterized in that: The driving wheel assembly (5) comprises a plurality of spaced mounting bases arranged on the operating platform (1), wherein a driving shaft (501) driven to rotate by a power mechanism is mounted on the mounting base, and at least one driving wheel (502) is mounted on the driving shaft (501) and abuts against the driving plate (303) and can drive the driving plate (303) to rotate.

9. The turning tool for transmission production and assembly according to claim 8, characterized in that: The number of the driving wheels (502) is set to two and they are spaced apart. The two driving wheels (502) are both located between the two first arc plates (301) and the second arc plate (302) and abut against the two ends of the driving plate (303).

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