Electric automobile tire welding device

Abstract

The invention discloses an electric automobile tire welding device, and belongs to the field of welding, the electric automobile tire welding device comprises a base, a fixing rod is assembled on the top of the base, a vertical plate is assembled on the top of the base, a motor is assembled on the back surface of the vertical plate, a first rotating rod is rotatably connected to the front surface of the vertical plate through a bearing, and a fixing plate is fixedly connected to the front surface of the first rotating rod; a welding gun body is assembled on the right side of the base, a first rotating rod movably penetrates through a vertical plate and extends towards the back face, the extending end of the first rotating rod is fixedly connected with the output end of a motor, a lantern ring is fixedly connected to the front face of a fixing rod, a bolt sleeve is fixedly connected to the front face of a fixing plate, and a fixing disc is fixedly connected to the outer wall of the bolt sleeve. The front face of the fixing plate is fixedly connected with a box. The hub is stably fixed to the designated position in cooperation with a hydraulic assembly and mechanical parts. And through cooperation of the first hydraulic rods and the second hydraulic rods, supporting and stability of the inner wall of the hub are guaranteed, and deviation or instability in the welding process is prevented.

Description

Technical Field

[0001] The present application relates to the field of welding, and more particularly, to a welding device for electric vehicle tires. Background Art

[0002] Vehicle transportation is an important part of the loading process in mining engineering. In mining engineering operations, due to rough roads, poor conditions, and weather effects, combined with long transportation roads and heavy vehicles going uphill, tire wear is particularly large, and problems such as tire steel rims and hubs being easily split in half due to wear. Traditional welding is to place the steel rim horizontally on the ground, and the welder moves around the steel rim for one circle to achieve steel rim welding.

[0003] The patent document with the publication number CN212599969U discloses a new type of welding device for automobile tire steel rim rings, including a base, a welding torch, a rotating shaft, a turntable, and a fixed plate. A welding torch bracket is detachably installed in the middle of the base, and a rotating shaft bracket is detachably installed on one side of the base. A rotating shaft hole is opened at the top of the rotating shaft bracket, and the rotating shaft is installed on the rotating shaft bracket through the rotating shaft hole. The turntable is fixedly installed at one end of the rotating shaft, and the fixed plate is fixedly installed at the other end of the rotating shaft. Two steel rim fixing brackets are fixedly installed on the end face of the fixed plate. The two steel rim fixing brackets are in a "cross" structure. Two fixing blocks matching the automobile tire steel rim ring are fixedly provided in the middle of each steel rim fixing bracket. The welding torch is fixed at the top of the welding torch bracket. When the automobile tire steel rim ring is fixed on the steel rim fixing bracket, the welding torch is aligned with the welding circle of the automobile tire steel rim ring.

[0004] Although the above application document effectively improves the welding quality of automobile tire steel rim rings, during welding in use, the fixing brackets can only weld single-sized hubs, resulting in very limited use. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a welding device for electric vehicle tires, which solves the problems raised in the above background art.

[0006] To achieve the above object, the present application provides a welding device for electric vehicle tires, including a base. A fixed rod is assembled on the top of the base, a vertical plate is assembled on the top of the base, a motor is assembled on the back of the vertical plate, a first rotating rod is rotatably connected to the front of the vertical plate through a bearing, a fixing plate is fixedly connected to the front of the first rotating rod, a welding torch body is assembled on the right side of the base, the first rotating rod extends through the vertical plate to the back, and the extending end is fixedly connected to the output end of the motor. A collar is fixedly connected to the front of the fixed rod; A bolt sleeve is fixedly connected to the front surface of the fixing plate. A fixing disc is fixedly connected to the outer wall of the bolt sleeve. A box body is fixedly connected to the front surface of the fixing plate. A rocker is hinged to the right side of the box body. A circular counterweight block is slidably connected to the inner wall of the box body. A hydraulic component is fixedly connected to the inner wall of the box body. A reset groove is formed in the front surface of the fixing plate. A grinding device for grinding the wheel hub is assembled on the top of the base. A cleaning device for cleaning the debris generated by grinding is assembled on the top of the base.

[0007] Preferably, the hydraulic component includes a hydraulic chamber fixedly connected inside the box body. A first hydraulic rod is slidably connected to one end of the piston inside the hydraulic chamber. A second hydraulic rod is slidably connected to one end of the piston inside the hydraulic chamber. A push block is fixedly connected to the right side of the second hydraulic rod.

[0008] Preferably, a thread groove for cooperating with the fixing wheel hub bolt is formed in the inner wall of the bolt sleeve. The three hydraulic chambers are connected by connecting hoses.

[0009] Preferably, the grinding device includes a second rotating rod rotatably connected to the front surface of the fixed rod through a bearing. A ratchet is fixedly connected to the outer wall of the second rotating rod. A small gear is rotatably connected to the front surface of the fixed rod through a bearing. A ratchet pawl is assembled inside the small gear. A large gear is fixedly connected to the outer wall of the first rotating rod.

[0010] Preferably, a first bevel gear is fixedly connected to the front surface of the second rotating rod. A connecting plate is fixedly connected to the front surface of the fixed rod. A third rotating rod is rotatably connected to the bottom of the connecting plate through a bearing. A second bevel gear is fixedly sleeved on the outer wall of the third rotating rod. The third rotating rod extends upward through the connecting plate. A rotating disc is fixedly connected to the top of the third rotating rod. A moving rod is rotatably connected to the top of the rotating disc through a rotating rod. A grinding plate is fixedly connected to the left side of the moving rod. A limiting sleeve is fixedly connected to the inner wall of the collar.

[0011] Preferably, the small gear and the large gear mesh with each other. The first bevel gear and the second bevel gear mesh with each other. The gear ratio of the large gear to the small gear is sixty to three.

[0012] Preferably, the cleaning device includes a side plate fixedly connected to the top of the base. A fourth rotating rod is rotatably connected to the left side of the side plate through a bearing. A side rod is fixedly connected to the left side of the fourth rotating rod. The side rod is hinged to a movable rod. A brush is hinged to the bottom of the movable rod. A collection box is fixedly connected to the top of the base.

[0013] Preferably, the fourth rotating rod movably passes through the side plate and extends to the right. A third bevel gear is fixedly connected to the right side of the fourth rotating rod. A fifth bevel gear is fixedly connected to the back of the fixing plate. The top of the base is rotatably connected to a fifth rotating rod through a bearing. A sixth bevel gear is fixedly connected to the top of the fifth rotating rod. A fourth bevel gear is fixedly sleeved on the outer wall of the fifth rotating rod. The third bevel gear meshes with the fourth bevel gear.

[0014] The advantages of this application are as follows: First, through the drive of the motor, in cooperation with the hydraulic components and mechanical parts, the hub is firmly fixed in place. The cooperation of the first hydraulic rod and the second hydraulic rod ensures the support and stability of the inner wall of the hub, preventing deviation or instability during the welding process.

[0015] Second, after the welding is completed, the motor is started to reverse, driving the relevant mechanical devices to drive the grinding plate to grind the welding part of the hub. Mechanical components such as the rotating disk and the moving rod ensure that the grinding plate moves reciprocally accurately, thereby efficiently removing the excess solder or uneven parts at the welding part and ensuring the smoothness of the hub surface.

[0016] Third, during the grinding process, a large amount of metal debris or dust will be generated. Through the cooperation of the cleaning system, the brush and the moving rod drive the cleaning tool to collect and clean the debris generated during the grinding process. The debris is pushed into the collection box to avoid the accumulation of sundries affecting subsequent operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, purposes, and advantages of this application more obvious. The schematic embodiments and descriptions of the drawings of this application are used to explain this application and do not constitute an improper limitation to this application. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the front structure of the present invention; Figure 3 is a schematic diagram of the left structure of the present invention; Figure 4 is of the present invention Figure 2 the enlarged schematic diagram at A in; Figure 5 is of the present invention Figure 2 the enlarged schematic diagram at B in; Figure 6 is of the present invention Figure 2 the enlarged schematic diagram at C in; Figure 7 is of the present invention Figure 3 the enlarged schematic diagram at D in.

[0018] In the above figures, 1. Fixed plate; 21. Bolt sleeve; 22. Fixed disk; 23. Box body; 24. Circular counterweight; 25. Rocker; 26. Hydraulic chamber; 27. First hydraulic rod; 28. Second hydraulic rod; 29. Connecting hose; 3. Grinding device; 31. Third rotating rod; 32. Second rotating rod; 33. Ratchet; 34. Small gear; 35. Large gear; 36. Connecting plate; 37. Rotating disk; 38. Moving rod; 39. Grinding plate; 310. Limiting sleeve; 311. First bevel gear; 312. Second bevel gear; 4. Cleaning device; 41. Side plate; 42. Fourth rotating rod; 43. Third bevel gear; 44. Fourth bevel gear; 45. Fifth bevel gear; 46. Fifth bevel gear; 47. Fifth rotating rod; 48. Side rod; 49. Movable rod; 410. Brush; 411. Collection box; 5. Fixed rod; 6. Motor; 7. First rotating rod; 8. Welding gun body; 9. Collar; 10. Vertical plate; 11. Base. Detailed implementation manners

[0019] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0020] It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above drawings are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of this application here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those clearly listed steps or units, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0021] In this application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0022] Moreover, in addition to being used to represent orientation or positional relationships, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0023] In addition, the terms "installed", "set up", "provided with", "connected", "linked", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, components or parts. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] It should be noted that, without conflict, the embodiments and features in the embodiments of this application can be combined with each other. The following will detail this application with reference to the accompanying drawings and in combination with embodiments.

[0025] Embodiment 1

[0026] See Figures 1-4 , this embodiment provides an electric vehicle tire welding device, including a base 11, a fixed rod 5 is assembled on the top of the base 11, a vertical plate 10 is assembled on the top of the base 11, a motor 6 is assembled on the back of the vertical plate 10, a first rotating rod 7 is rotatably connected to the front of the vertical plate 10 through a bearing, a fixing plate 1 is fixedly connected to the front of the first rotating rod 7, a welding gun body 8 is assembled on the right side of the base 11, the first rotating rod 7 extends through the vertical plate 10 to the back, and the extending end is fixedly connected to the output end of the motor 6, and a collar 9 is fixedly connected to the front of the fixed rod 5; On the front side of the fixing plate 1, a bolt sleeve 21 is fixedly connected. On the outer wall of the bolt sleeve 21, a fixing plate 22 is fixedly connected. On the front side of the fixing plate 1, a box body 23 is fixedly connected. On the right side of the box body 23, a rocker 25 is hinged. Inside the box body 23, a circular counterweight 24 is slidably connected. Inside the box body 23, a hydraulic component is fixedly connected. On the front side of the fixing plate 1, a reset groove is provided. On the top of the base 11, a grinding device 3 for grinding the wheel hub is assembled. On the top of the base 11, a cleaning device 4 for cleaning the debris generated by grinding is assembled. The hydraulic component includes a hydraulic chamber 26, which is fixedly connected inside the box body 23. Inside one end of the hydraulic chamber 26, a piston is slidably connected with a first hydraulic rod 27. Inside one end of the hydraulic chamber 26, a piston is slidably connected with a second hydraulic rod 28. On the right side of the second hydraulic rod 28, a push block is fixedly connected. The hydraulic chamber 26 is fixed inside the box body 23 and is used to accommodate hydraulic oil and hydraulic rods. The first hydraulic rod 27 slides inside the hydraulic chamber 26 with the piston to adjust the position of the fixing plate 1. The second hydraulic rod 28 slides inside the hydraulic chamber 26 with the piston to push the push block. The push block is fixed on the right side of the second hydraulic rod 28 and is used to push the fixing plate 1 to move. The hydraulic component realizes the fine adjustment of the fixing plate 1 by precisely controlling the flow and pressure of the hydraulic oil, ensuring the precise alignment of the tire during the welding process. Inside the bolt sleeve 21, a thread groove for cooperating with the fixing wheel hub bolt is provided. The three hydraulic chambers 26 are connected through a connecting hose 29. The thread groove is provided inside the bolt sleeve 21 and is used to cooperate with the fixing wheel hub bolt to ensure the stable fixation of the tire. The connecting hose 29 connects the three hydraulic chambers 26 to realize the connection of the hydraulic component and ensure the balance of the flow and pressure of the hydraulic oil. This design enables the hydraulic component to flexibly adapt to tires of different sizes while ensuring the stability and reliability of the hydraulic component.

[0027] When the above equipment is specifically used, the wheel hub is installed on the front side of the fixing plate 22. Through the cooperation of the bolt and the bolt sleeve 21, the wheel hub is assembled on the front side of the fixing plate 22. The wheel hub will squeeze the rocker 25, causing the left side of the rocker 25 to rotate towards the front. After the rocker 25 moves to the front, it no longer limits the circular counterweight 24. The circular counterweight 24 squeezes the first hydraulic rod 27. During the downward movement of the first hydraulic rod 27, it drives the second hydraulic rod 28 and the push block to move outward to support the inner wall of the wheel hub. Start the motor 6, and the motor 6 drives the fixing plate 1 to reverse. When each circular counterweight 24 is at the top, it will squeeze the first hydraulic rod 27. At the same time, the three hydraulic chambers 26 are connected through the connecting hose 29. Therefore, no matter which first hydraulic rod 27 is squeezed, it can drive the other two second hydraulic rods 28 to fix the wheel hub, and at the same time cooperate with the welding gun body 8 for welding.

[0028] Embodiment 2

[0029] See Figures 1-5, on the basis of Embodiment 1, the grinding device 3 includes a second rotating rod 32. The second rotating rod 32 is rotatably connected to the front of the fixed rod 5 through a bearing. A ratchet wheel 33 is fixedly connected to the outer wall of the second rotating rod 32. A small gear 34 is rotatably connected to the front of the fixed rod 5 through a bearing. A pawl is assembled inside the small gear 34. A large gear 35 is fixedly connected to the outer wall of the first rotating rod 7. The second rotating rod 32 is rotatably connected to the front of the fixed rod 5 through a bearing, and is used to support the ratchet wheel 33 and the first bevel gear 311. The ratchet wheel 33 is fixed to the outer wall of the second rotating rod 32 and is used for intermittent movement to control the intermittent rotation of the grinding plate 39. The small gear 34 is rotatably connected to the front of the fixed rod 5 through a bearing, and a pawl is assembled inside it, and is used to mesh with the large gear 35. The large gear 35 is fixed to the outer wall of the first rotating rod 7 and meshes with the small gear 34 to transmit power. So that the grinding plate 39 can intermittently grind the hub, avoiding overheating and wear caused by continuous grinding, and improving the precision and effect of grinding. A first bevel gear 311 is fixedly connected to the front of the second rotating rod 32. A connecting plate 36 is fixedly connected to the front of the fixed rod 5. The bottom of the connecting plate 36 is rotatably connected to a third rotating rod 31 through a bearing. A second bevel gear 312 is fixedly sleeved on the outer wall of the third rotating rod 31. The third rotating rod 31 movably passes through the connecting plate 36 and extends upward. A rotating disk 37 is fixedly connected to the top of the third rotating rod 31. A moving rod 38 is rotatably connected to the top of the rotating disk 37 through a rotating rod. A grinding plate 39 is fixedly connected to the left side of the moving rod 38. A limiting sleeve 310 is fixedly connected to the inner wall of the collar 9. The first bevel gear 311 is fixed to the front of the second rotating rod 32 and is used to mesh with the second bevel gear 312. The connecting plate 36 is fixed to the front of the fixed rod 5 and is used to support the third rotating rod 31. The third rotating rod 31 is rotatably connected to the bottom of the connecting plate 36 and is used to support the second bevel gear 312 and the rotating disk 37. The second bevel gear 312 is fixedly sleeved on the outer wall of the third rotating rod 31 and is used to mesh with the first bevel gear 311. The rotating disk 37 is fixed to the top of the third rotating rod 31 and is used to support the moving rod 38. The moving rod 38 is rotatably connected to the top of the rotating disk 37 through a rotating rod and is used to support the grinding plate 39. The grinding plate 39 is fixed to the left side of the moving rod 38 and is used to grind the hub. The limiting sleeve 310 is fixed to the inner wall of the collar 9 and is used to limit the movement of the moving rod 38 to ensure the stability and safety of the grinding plate 39. This design enables the grinding plate 39 to flexibly adjust the angle and position to adapt to hubs of different shapes and sizes, improving the versatility and precision of grinding. The small gear 34 meshes with the large gear 35, and the first bevel gear 311 meshes with the second bevel gear 312. The gear ratio of the large gear 35 to the small gear 34 is sixty to three.

[0030] When the above-mentioned device is in specific use, after welding is completed, the motor 6 is started to rotate forward. The motor 6 drives the first rotating rod 7 to rotate. The first rotating rod 7 drives the large gear 35 to rotate. The large gear 35 drives the small gear 34 to rotate. The small gear 34 drives the pawl to rotate. The pawl drives the ratchet wheel 33 to rotate. The ratchet wheel 33 drives the second rotating rod 32 to rotate. The second rotating rod 32 drives the first bevel gear 311 to rotate. The first bevel gear 311 drives the second bevel gear 312 to rotate. The second bevel gear 312 drives the third rotating rod 31 to rotate. The third rotating rod 31 drives the rotating disk 37 to rotate. The rotating disk 37 drives the moving rod 38 to reciprocate forward. The movement track of the moving rod 38 is limited by the limiting sleeve 310. At the same time, the moving rod 38 drives the grinding plate 39 to grind the welded part of the hub. When the motor 6 rotates in reverse, the motor 6 drives the first rotating rod 7 and the large gear 35. The large gear 35 drives the small gear 34 to rotate. The small gear 34 drives the pawl and cannot drive the ratchet wheel 33 to rotate.

[0031] Embodiment 3

[0032] See Figures 1-7 , on the basis of Embodiment 1, the cleaning device 4 includes a side plate 41. The side plate 41 is fixedly connected to the top of the base 11. The left side of the side plate 41 is rotatably connected to a fourth rotating rod 42 through a bearing. A side rod 48 is fixedly connected to the left side of the fourth rotating rod 42. The side rod 48 is hinged to a movable rod 49. A brush 410 is hinged to the bottom of the movable rod 49. A collection box 411 is fixedly connected to the top of the base 11. The side plate 41 is fixed to the top of the base 11 and is used to support the fourth rotating rod 42. The fourth rotating rod 42 is rotatably connected to the left side of the side plate 41 through a bearing and is used to support the side rod 48. The side rod 48 is fixed to the left side of the fourth rotating rod 42 and is used to support the movable rod 49. The movable rod 49 is hinged to the bottom of the side rod 48 and is used to support the brush 410. The brush 410 is hinged to the bottom of the movable rod 49 and is used to clean debris. The collection box 411 is fixed to the top of the base 11 and is used to collect debris to keep the working environment clean. The cleaning device 4 realizes the effective cleaning of debris through a simple mechanical structure, reduces the workload of manual cleaning, improves work efficiency, and at the same time keeps the working environment clean and safe. The fourth rotating rod 42 extends to the right through the side plate 41 movably. A third bevel gear 43 is fixedly connected to the right side of the fourth rotating rod 42. A fifth bevel gear 45 is fixedly connected to the back of the fixing plate 1. The top of the base 11 is rotatably connected to a fifth rotating rod 47 through a bearing. A sixth bevel gear 46 is fixedly connected to the top of the fifth rotating rod 47. A fourth bevel gear 44 is fixedly sleeved on the outer wall of the fifth rotating rod 47. The third bevel gear 43 meshes with the fourth bevel gear 44.

[0033] When the above-mentioned device is in specific use, when the fixing plate 1 rotates, it drives the fifth bevel gear 45 to rotate. The fifth bevel gear 45 drives the sixth bevel gear 46 to rotate. The sixth bevel gear 46 drives the fifth rotating rod 47 to rotate. The fifth rotating rod 47 drives the fourth bevel gear 44 to rotate. The fourth bevel gear 44 drives the third bevel gear 43 to rotate. The third bevel gear 43 drives the fourth rotating rod 42 to rotate. The fourth rotating rod 42 drives the side rod 48 to rotate. The side rod 48 drives the movable rod 49 to move forward. The movable rod 49 drives the brush 410 to reciprocate, cleaning the debris generated by grinding and pushing the debris into the inside of the collection box 411.

[0034] When the above-mentioned device is in specific use, as described above, the above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An electric vehicle tire welding device, comprising a base (11), a fixing rod (5) is assembled on the top of the base (11), a vertical plate (10) is assembled on the top of the base (11), a motor (6) is assembled on the back of the vertical plate (10), a first rotating rod (7) is rotatably connected to the front of the vertical plate (10) through a bearing, a fixing plate (1) is fixedly connected to the front of the first rotating rod (7), a welding gun body (8) is assembled on the right side of the base (11), the first rotating rod (7) movably penetrates through the vertical plate (10) and extends towards the back, and the extending end is fixedly connected to the output end of the motor (6), and a collar (9) is fixedly connected to the front of the fixing rod (5); It is characterized in that A bolt sleeve (21) is fixedly connected to the front of the fixing plate (1), a fixing disc (22) is fixedly connected to the outer wall of the bolt sleeve (21), a box body (23) is fixedly connected to the front of the fixing plate (1), a toggle plate (25) is hinged to the right side of the box body (23), a circular counterweight (24) is slidably connected to the inner wall of the box body (23), a hydraulic component is fixedly connected to the inner wall of the box body (23), a reset groove is formed in the front of the fixing plate (1), a grinding device (3) for grinding the wheel hub is assembled on the top of the base (11), and a cleaning device (4) for cleaning the debris generated by grinding is assembled on the top of the base (11).

2. The electric vehicle tire welding device according to claim 1, wherein, The hydraulic component includes a hydraulic chamber (26), the hydraulic chamber (26) is fixedly connected inside the box body (23), a first hydraulic rod (27) is slidably connected to one end of the piston inside the hydraulic chamber (26), a second hydraulic rod (28) is slidably connected to one end of the piston inside the hydraulic chamber (26), and a push block is fixedly connected to the right side of the second hydraulic rod (28).

3. An electric vehicle tire welding device according to claim 2, characterized in that, A thread groove for cooperating with the fixing wheel hub bolt is formed in the inner wall of the bolt sleeve (21), and the three hydraulic chambers (26) are connected through a connecting hose (29).

4. The welding device for an electric vehicle tire according to claim 1, characterized in that, The grinding device (3) includes a second rotating rod (32), the second rotating rod (32) is rotatably connected to the front of the fixing rod (5) through a bearing, a ratchet wheel (33) is fixedly connected to the outer wall of the second rotating rod (32), a small gear (34) is rotatably connected to the front of the fixing rod (5) through a bearing, a ratchet pawl is assembled on the inner wall of the small gear (34), and a large gear (35) is fixedly connected to the outer wall of the first rotating rod (7).

5. The welding device for an electric vehicle tire according to claim 4, characterized in that, A first bevel gear (311) is fixedly connected to the front of the second rotating rod (32), a connecting plate (36) is fixedly connected to the front of the fixing rod (5), a third rotating rod (31) is rotatably connected to the bottom of the connecting plate (36) through a bearing, a second bevel gear (312) is fixedly sleeved on the outer wall of the third rotating rod (31), the third rotating rod (31) movably penetrates through the connecting plate (36) and extends towards the top, a rotating disc (37) is fixedly connected to the top of the third rotating rod (31), a moving rod (38) is rotatably connected to the top of the rotating disc (37) through a rotating rod, a grinding plate (39) is fixedly connected to the left side of the moving rod (38), and a limiting sleeve (310) is fixedly connected to the inner wall of the collar (9).

6. The electric vehicle tire welding device according to claim 5, characterized in that, The pinion gear (34) meshes with the large gear (35), the first bevel gear (311) meshes with the second bevel gear (312), and the gear ratio of the large gear (35) to the pinion gear (34) is sixty to three.

7. The electric vehicle tire welding device according to claim 1, characterized in that, The cleaning device (4) includes side plates (41), the side plates (41) are fixedly connected to the top of the base (11), the left side of the side plates (41) is rotatably connected to a fourth rotating rod (42) through a bearing, a side rod (48) is fixedly connected to the left side of the fourth rotating rod (42), the side rod (48) is hinged to a movable rod (49), a brush (410) is hinged to the bottom of the movable rod (49), and a collection box (411) is fixedly connected to the top of the base (11).

8. The electric vehicle tire welding device according to claim 7, characterized in that, The fourth rotating rod (42) movably penetrates through the side plate (41) and extends to the right, a third bevel gear (43) is fixedly connected to the right side of the fourth rotating rod (42), a fifth bevel gear (45) is fixedly connected to the back of the fixing plate (1), a fifth rotating rod (47) is rotatably connected to the top of the base (11) through a bearing, a sixth bevel gear (46) is fixedly connected to the top of the fifth rotating rod (47), a fourth bevel gear (44) is fixedly sleeved on the outer wall of the fifth rotating rod (47), and the third bevel gear (43) meshes with the fourth bevel gear (44).

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