A vertical synchronous rotating welding platform

Abstract

The present invention relates to the technical field of welding tooling, and specifically discloses a vertical synchronous rotating welding platform, including a supporting mechanism, a positioning mechanism and a synchronization mechanism. The positioning mechanism includes a first positioning component and a second positioning component fixed on the supporting mechanism. The first positioning component is located directly above the second positioning component and can clamp two parts at the same time, thereby realizing the welding of the two parts. In this embodiment, during the welding process, the first positioning component and the second positioning component are driven to rotate synchronously by the synchronization mechanism, which can ensure the positioning accuracy of the parts and the fit between the two parts, thereby improving the welding accuracy. At the same time, the first clamping member in the first positioning component can be lifted and lowered and arranged below the first support arm, which can be suitable for products to be welded of different heights.

Description

Technical Field

[0001] The present invention relates to the technical field of welding equipment, in particular to a vertical synchronous rotating welding platform. Background Art

[0002] The current vertical welding platform generally adopts the method of completely fixed welding of parts for processing. Therefore, welding cannot be completed in one go during the welding process, and multiple repeated positioning is required. The operation is complicated. In addition, when welding upper and lower products, there may be requirements for the products to be in the same direction, parallel or at an angle. Manual repeated positioning has large errors, which may lead to problems with low welding accuracy. At the same time, it is not suitable for products of various models. Summary of the Invention

[0003] The present invention is made in consideration of the above-mentioned problems. The purpose of the invention is to provide a vertical synchronous rotating welding platform, in which the upper and lower positioning components can realize synchronous rotation to ensure the positioning accuracy requirements. At the same time, the first clamping member located at the top can be raised and lowered to facilitate the application of products of different heights.

[0004] To achieve the above objectives, the present invention provides a vertical synchronous rotary welding platform, comprising a support mechanism, a positioning mechanism, and a synchronization mechanism, wherein the support mechanism comprises a base assembly and a frame assembly located on the base assembly, wherein the frame assembly comprises a body, a first support arm and a second support arm located on the body, wherein the first support arm is located directly above the second support arm;

[0005] The positioning mechanism includes a first positioning assembly rotatably disposed on the first support arm and a second positioning assembly rotatably disposed on the second support arm, the first positioning assembly including a first clamping member liftably disposed below the first support arm;

[0006] The synchronization mechanism includes a transmission assembly and a drive assembly, the drive assembly includes a drive member and a drive wheel connected to the output shaft of the drive member, the transmission assembly includes a transmission shaft, a first synchronous wheel, a second synchronous wheel, a third synchronous wheel and a fourth synchronous wheel arranged in a vertical direction within the fuselage, the first synchronous wheel and the third synchronous wheel are respectively fixed to the upper end and the lower end of the transmission shaft, the third synchronous wheel is fixed to the first positioning assembly, and the fourth synchronous wheel is fixed to the second positioning assembly, the drive wheel is connected to the first synchronous wheel and the second synchronous wheel through a first synchronous belt, and the third synchronous wheel is connected to the fourth synchronous wheel through a second synchronous belt;

[0007] The transmission shaft is connected to the fuselage through an eccentric wheel assembly, and the rotation of the eccentric wheel assembly can drive the transmission shaft to move from a first position to a second position.

[0008] According to the vertical synchronous rotating welding platform described above, the eccentric wheel assembly includes a first eccentric wheel connected to the upper end of the transmission shaft and a second eccentric wheel connected to the lower end of the transmission shaft, the first eccentric wheel is rotatably connected to the top of the fuselage through a first boss, and the second eccentric wheel is rotatably connected to the bottom of the fuselage through a second boss;

[0009] The first eccentric wheel is provided with a first eccentric hole away from the center of the first eccentric wheel, the second eccentric wheel is provided with a second eccentric hole away from the center of the second eccentric wheel, the outer side of the transmission shaft is provided with a first bearing sleeve, the upper end of the transmission shaft is passed through the first bearing sleeve and is arranged in the first eccentric hole, and the lower end of the transmission shaft is passed through the first bearing sleeve and is arranged in the second eccentric hole.

[0010] According to the vertical synchronous rotating welding platform described above, a pressure cover for locking the first eccentric wheel is provided on the first boss, and the pressure cover is detachably connected to the first boss by bolts.

[0011] According to the vertical synchronous rotary welding platform described above, the first positioning assembly includes a guide cylinder, a telescopic cylinder, and a driving screw. The guide cylinder is rotatably installed on the first support arm through a second bearing sleeve. The telescopic cylinder is liftably arranged in the guide cylinder. The driving screw is installed on the telescopic cylinder. The first clamping member is connected to the bottom end of the telescopic cylinder.

[0012] The second synchronous wheel is fixed on the outer side of the guide cylinder.

[0013] According to the vertical synchronous rotary welding platform described above, a detachable connecting nut is provided on the top of the telescopic cylinder, and the connecting nut is engaged with the driving screw;

[0014] A driving hand wheel is provided on the top of the driving screw rod.

[0015] According to the vertical synchronous rotating welding platform described above, a guide groove arranged in a vertical direction is provided on the inner wall of the guide cylinder, and a positioning pin is provided on the outer wall of the telescopic cylinder. The positioning pin is clamped in the guide groove.

[0016] According to the above-mentioned vertical synchronous rotating welding platform, the second positioning assembly includes a rotating shaft, a tray and a support base. The rotating shaft is rotatably connected to the second support arm through a third sleeve. The tray is connected to the upper end of the rotating shaft. The support base is arranged on the tray. The fourth synchronous wheel is fixedly connected to the lower end of the rotating shaft.

[0017] According to the vertical synchronous rotary welding platform described above, the second positioning assembly further includes a dust cover, and the dust cover is detachably arranged on the top of the third sleeve;

[0018] A sealing step is provided on the top of the third shaft sleeve, and the dust cover is fitted with the top of the third shaft sleeve.

[0019] According to the vertical synchronous rotating welding platform described above, the driving component is configured as a variable speed motor, the variable speed motor is fixed to one side of the fuselage through a motor box, the driving wheel is connected to the output shaft of the variable speed motor, and a speed regulating switch for controlling the variable speed motor is provided in the motor box.

[0020] According to the vertical synchronous rotary welding platform described above, the diameter of the first synchronous wheel is the same as the diameter of the third synchronous wheel, the diameter of the second synchronous wheel is the same as the diameter of the fourth synchronous wheel, the diameter of the driving wheel is smaller than the diameter of the first synchronous wheel, and the diameter of the first synchronous wheel is smaller than the diameter of the second synchronous wheel.

[0021] The present invention has the following beneficial effects:

[0022] 1. The synchronous mechanism can drive the first positioning assembly and the second positioning assembly arranged above and below to rotate synchronously, eliminating the need for repeated positioning. The operation is more convenient and can also ensure the welding accuracy of the upper and lower components.

[0023] 2. The upper and lower ends of the transmission shaft are rotatably connected to the machine body through eccentric wheels. The position of the transmission shaft can be adjusted by rotating the eccentric wheels, and then the positions of the first synchronous wheel and the third synchronous wheel on the transmission shaft can be adjusted. When the synchronous belt is loose, the synchronous belt can be kept taut by adjusting the eccentric wheels.

[0024] 3. The screw is driven to rotate to drive the connecting nut to perform a lifting action, thereby driving the telescopic cylinder to perform a lifting action. The telescopic cylinder drives the first clamping member to perform a lifting action, so as to be suitable for products of different heights. The lifting action of the telescopic cylinder is manually controlled, and the cost is low.

[0025] 4. A sealing step is provided above the third sleeve, and the dust cover is fitted to the top of the third sleeve. The sealing step can enhance the sealing effect and prevent dust and other substances from entering the third sleeve through the gap between the dust cover and the third sleeve.

[0026] 5. The speed of the variable speed motor can be controlled by the speed control switch to meet the speed required during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the overall appearance of this embodiment;

[0028] Figure 2 Schematic diagram of the internal structure of the support mechanism of this embodiment;

[0029] Figure 3 1 is a schematic diagram of the transmission assembly structure of this embodiment;

[0030] Figure 4 is a cross-sectional view of the first positioning assembly of this embodiment;

[0031] Figure 5 It is a cross-sectional view of the second positioning assembly of this embodiment.

[0032] In the picture:

[0033] 1. Support mechanism; 11. Base frame assembly; 12. Frame assembly; 121. Body; 122. First support arm; 123. Second support arm;

[0034] 2. Positioning mechanism; 21. First positioning assembly; 211. First clamping member; 212. Guide cylinder; 212a. Guide groove; 213. Telescopic cylinder; 214. Drive screw; 215. Connecting nut; 216. Drive handwheel; 217. Second bushing; 22. Second positioning assembly; 221. Rotating shaft; 222. Tray; 223. Support base; 224. Third bushing; 224a. Sealing step; 225. Dust cover;

[0035] 3. Synchronizing mechanism; 31. Transmission assembly; 311. Transmission shaft; 312. First synchronous wheel; 313. Second synchronous wheel; 314. Third synchronous wheel; 315. Fourth synchronous wheel; 32. Drive assembly; 321. Variable speed motor; 322. Drive wheel; 323. Speed regulating switch; 33. Eccentric wheel assembly; 331. First eccentric wheel; 332. Second eccentric wheel; 333. First boss; 334. Second boss; 335. Pressure cover; 336. First sleeve. DETAILED DESCRIPTION

[0036] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0037] like Figure 1-5 As shown, a vertical synchronous rotating welding platform includes a supporting mechanism 1, a positioning mechanism 2 and a synchronization mechanism 3. The positioning mechanism 2 includes a first positioning component 21 and a second positioning component 22 fixed on the supporting mechanism 1. The first positioning component 21 is located directly above the second positioning component 22 and can clamp two parts at the same time, thereby realizing the welding of the two parts. In this embodiment, during the welding process, the first positioning component 21 and the second positioning component 22 are driven to rotate synchronously by the synchronization mechanism 3, which can ensure the positioning accuracy of the parts and the fit between the two parts, thereby improving the welding accuracy.

[0038] Specifically, the support mechanism 1 includes a base assembly 11 and a frame assembly 12 located on the base assembly 11. The base assembly 11 is used to provide support for the frame assembly 12. The frame assembly 12 includes a fuselage 121, a first support arm 122 and a second support arm 123 located on the fuselage 121. The second support arm 123 is placed on the base assembly 11. The first support arm 122 is located directly above the second support arm 123 to facilitate the installation of the first positioning assembly 21 and the second positioning assembly 22, wherein the first positioning assembly 21 is installed on the first support arm 122, and the second positioning assembly 22 is installed on the second support arm 123.

[0039] The synchronizing mechanism 3 for driving the first positioning assembly 21 and the second positioning assembly 22 to rotate synchronously includes a transmission assembly 31 and a driving assembly 32. The driving assembly 32 includes a driving member and a driving wheel 322 connected to the output shaft of the driving member. The transmission assembly 31 includes a transmission shaft 311, a first synchronizing wheel 312, a second synchronizing wheel 313, a third synchronizing wheel 314 and a fourth synchronizing wheel 315 arranged in a vertical direction in the fuselage 121. Among them, the transmission shaft 311 is arranged in the fuselage 121 in a vertical direction, and the lower end of the transmission shaft 311 extends into the base assembly 11. The first synchronizing wheel 312 and the third synchronizing wheel 314 are respectively fixed to the upper and lower ends of the transmission shaft 311. The third synchronizing wheel is fixed to the first positioning assembly 21, and the fourth synchronizing wheel 315 is fixed to the second positioning assembly 22. The wheel 322 is connected to the first synchronous wheel 312 and the second synchronous wheel 313 through the first synchronous belt, and the third synchronous wheel 314 is connected to the fourth synchronous wheel 315 through the second synchronous belt. The driving wheel 322 drives the first synchronous wheel 312 and the second synchronous wheel 313 to rotate simultaneously, and the second synchronous wheel 313 drives the first positioning assembly 21 to rotate. The first synchronous wheel 312 rotates to drive the transmission shaft 311 to rotate, and the transmission shaft 311 drives the third synchronous wheel 314 to rotate. The third synchronous wheel 314 drives the fourth synchronous wheel 315 to rotate through the second synchronous belt, and the fourth synchronous wheel 315 drives the second positioning assembly 22 to rotate, thereby realizing the synchronous rotation of the first positioning assembly 21 and the second positioning assembly 22, ensuring that the two parts located on the first positioning assembly 21 and the second positioning assembly 22 can also rotate synchronously, thereby ensuring welding accuracy.

[0040] In order to prevent the synchronous belt from becoming loose and unusable due to the growth of the synchronous belt after working for a period of time, in this embodiment, the transmission shaft 311 is connected to the fuselage 121 through the eccentric wheel assembly 33. The rotation of the eccentric wheel assembly 33 can drive the transmission shaft 311 to move from the first position to the second position. When the position of the transmission shaft 311 changes, the transmission shaft 311 will drive the first synchronous wheel 312 and the third synchronous wheel 314 to change their positions, so that the distance between the first synchronous wheel 312 and the second synchronous wheel 313 changes, and the distance between the first synchronous wheel 312 and the driving wheel 322 also changes. Therefore, when the length of the first synchronous belt increases, the transmission shaft 311 can be moved further away through the eccentric wheel assembly 33 so that the first synchronous belt can still be used. Similarly, when the position of the transmission shaft 311 changes, the position of the third synchronous wheel 314 also changes, and the distance between the third synchronous wheel 314 and the fourth synchronous wheel 315 can be adjusted.

[0041] Furthermore, the eccentric wheel assembly 33 includes a first eccentric wheel 331 connected to the upper end of the transmission shaft 311 and a second eccentric wheel 332 connected to the lower end of the transmission shaft 311. The first eccentric wheel 331 is rotatably connected to the top of the fuselage 121 through a first boss 333, and the second eccentric wheel 332 is rotatably connected to the bottom of the fuselage 121 through a second boss 334. The first eccentric wheel 331 is provided with a first eccentric hole away from the center of the first eccentric wheel 331, and the second eccentric wheel 332 is provided with a first eccentric hole away from the center of the second eccentric wheel 332. The second eccentric hole of the transmission shaft 311 is provided with a first bearing sleeve on the outer side of the transmission shaft 311. The upper end of the transmission shaft 311 is inserted into the first eccentric hole through the first bearing sleeve, and the lower end of the transmission shaft 311 is inserted into the second eccentric hole through the first bearing sleeve. In this embodiment, a first eccentric wheel 331 and a second eccentric wheel 332 are provided at the upper and lower ends of the transmission shaft 311 respectively, wherein the structure and size of the first eccentric wheel 331 are exactly the same as the structure and size of the second eccentric wheel 332, ensuring that the upper and lower ends of the transmission shaft 311 rotate synchronously.

[0042] Furthermore, a pressure cover 335 for locking the first eccentric wheel 331 is provided on the first boss 333. The pressure cover 335 is detachably connected to the first boss 333 by bolts. When the pressure cover 335 is fixed to the first boss 333 by bolts, the lower end surface of the pressure cover 335 fits with the upper end surface of the first eccentric wheel 331, thereby locking the first eccentric wheel 331 and preventing the first eccentric wheel 331 from driving the transmission shaft 311 to move during normal operation.

[0043] Furthermore, the first positioning assembly 21 includes a guide cylinder 212, a telescopic cylinder 213 and a driving screw 214. The guide cylinder 212 is rotatably mounted on the first support arm 122 through the second bearing sleeve. The telescopic cylinder 213 is liftably arranged in the guide cylinder 212. The driving screw 214 is mounted on the telescopic cylinder 213. The first clamping member 211 is connected to the bottom end of the telescopic cylinder 213. The second bearing sleeve is vertically mounted on the first support arm 122. The guide cylinder 212 is rotatably mounted on the second bearing sleeve. The second synchronous wheel 3 13 is fixed on the outside of the guide cylinder 212. When the driving wheel 322 drives the second synchronous wheel 313 to rotate through the first synchronous belt, the second synchronous wheel 313 will drive the guide cylinder 212 to rotate, and the rotation of the guide cylinder 212 will drive the telescopic cylinder 213 to rotate, and then drive the first clamping member 211 to rotate, and finally realize the rotation of the welding component. Since the telescopic cylinder 213 is arranged in a liftable manner in the guide cylinder 212, the telescopic cylinder 213 can drive the first clamping member 211 to move up and down, which can meet the needs of products of different heights.

[0044] Furthermore, a driving handwheel 216 is provided at the top of the driving screw rod 214. The driving handwheel 216 extends out of the frame assembly 12 and is located above the frame assembly 12, which is convenient for manipulating the driving handwheel 216, and then manipulating the driving screw rod 214 to rotate. A detachable connecting nut 215 is provided at the top of the telescopic cylinder 213, and the connecting nut 215 is engaged with the driving screw rod 214. When the driving screw rod 214 rotates, the connecting nut 215 can rise or fall, which can drive the telescopic cylinder 213 to rise and fall together. It has a simple structure and low cost, and can be adjusted according to on-site needs. The adjustment is convenient. At the same time, since the connecting nut 215 is detachable, it is convenient to replace the connecting nut 215.

[0045] Furthermore, in order to limit the telescopic cylinder 213 from rotating with the guide cylinder 212 and to allow it to move up and down relative to the guide cylinder 212, a guide groove 212a arranged in a vertical direction is provided on the inner wall of the guide cylinder 212, and a positioning pin is provided on the outer wall of the telescopic cylinder 213. The positioning pin is clamped in the guide groove 212a. When the guide cylinder 212 rotates, the guide cylinder 212 drives the telescopic cylinder 213 to rotate together through the positioning pin. When the telescopic cylinder 213 moves up and down, the positioning pin can move along the arrangement direction of the guide groove 212a.

[0046] Furthermore, the second positioning assembly 22 includes a rotating shaft 221, a tray 222 and a support base 223. The rotating shaft 221 is rotatably connected to the second support arm 123 through a third sleeve 224. The tray 222 is connected to the upper end of the rotating shaft 221. The support base 223 is set on the tray 222. The fourth synchronous wheel 315 is fixedly connected to the lower end of the rotating shaft 221. The rotation of the fourth synchronous wheel 315 can drive the rotating shaft 221 to rotate. The rotating shaft 221 drives the tray 222 and the support base 223 on which another component is placed to rotate together, thereby realizing the synchronous rotation of the upper and lower welding components.

[0047] Furthermore, the second positioning assembly 22 also includes a dust cover 225, which is detachably arranged on the top of the third sleeve 224. A sealing step 224a is provided on the top of the third sleeve 224. The dust cover 225 fits the top of the third sleeve 224. By providing the sealing step 224a, dust and other impurities can be prevented from entering the third sleeve 224 through the gap between the dust cover 225 and the third sleeve 224, thereby better protecting the rotating shaft 221.

[0048] Furthermore, the driving component is set as a variable speed motor 321, and the variable speed motor 321 is fixed to one side of the fuselage 121 through a motor box. The driving wheel 322 is connected to the output shaft of the variable speed motor 321, and a speed regulating switch 323 for controlling the variable speed motor 321 is provided in the motor box. The motor box is used to support and protect the variable speed motor 321. The rotation speed of the output shaft of the variable speed motor 321 can be adjusted by the speed regulating switch 323, and then the rotation speed of the driving wheel 322 can be adjusted, so that the rotation speed of the first positioning component 21 and the second positioning component 22 can meet the welding speed requirements.

[0049] Furthermore, the diameter of the first synchronous wheel 312 is the same as the diameter of the third synchronous wheel 314, the diameter of the second synchronous wheel 313 is the same as the diameter of the fourth synchronous wheel 315, the diameter of the drive wheel 322 is smaller than the diameter of the first synchronous wheel 312, and the diameter of the first synchronous wheel 312 is smaller than the diameter of the second synchronous wheel 313. This can ensure that the first synchronous wheel 312 and the third synchronous wheel 314 have the same rotational angular velocity, and at the same time, it can ensure that the second synchronous wheel 313 and the fourth synchronous wheel 315 have the same rotational angular velocity, thereby ensuring that the rotation angles of the two welding components are consistent.

[0050] The technical solutions of the present invention have been described in detail above with reference to the accompanying drawings, and the embodiments described are intended to facilitate understanding of the concepts of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments, without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0051] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0052] In addition, in the present invention, descriptions such as "first," "second," and "one" are for descriptive purposes only and should not be understood to indicate or imply their relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0053] In the present invention, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0054] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A vertical synchronous rotary welding platform, characterized in that: The invention comprises a supporting mechanism, a positioning mechanism and a synchronization mechanism, wherein the supporting mechanism comprises a base frame assembly and a frame assembly located on the base frame assembly, wherein the frame assembly comprises a fuselage, a first supporting arm and a second supporting arm located on the fuselage, wherein the first supporting arm is located directly above the second supporting arm; The positioning mechanism includes a first positioning assembly rotatably disposed on the first support arm and a second positioning assembly rotatably disposed on the second support arm, the first positioning assembly including a first clamping member liftably disposed below the first support arm; The synchronization mechanism includes a transmission assembly and a drive assembly, the drive assembly includes a drive member and a drive wheel connected to the output shaft of the drive member, the transmission assembly includes a transmission shaft, a first synchronous wheel, a second synchronous wheel, a third synchronous wheel and a fourth synchronous wheel arranged in a vertical direction within the fuselage, the first synchronous wheel and the third synchronous wheel are respectively fixed to the upper end and the lower end of the transmission shaft, the second synchronous wheel is fixed to the first positioning assembly, and the fourth synchronous wheel is fixed to the second positioning assembly, the drive wheel is connected to the first synchronous wheel and the second synchronous wheel through a first synchronous belt, and the third synchronous wheel is connected to the fourth synchronous wheel through a second synchronous belt; The transmission shaft is connected to the fuselage through an eccentric wheel assembly, and the rotation of the eccentric wheel assembly can drive the transmission shaft to move from a first position to a second position; The eccentric wheel assembly includes a first eccentric wheel connected to the upper end of the transmission shaft and a second eccentric wheel connected to the lower end of the transmission shaft, the first eccentric wheel is rotatably connected to the top of the fuselage through a first boss, and the second eccentric wheel is rotatably connected to the bottom of the fuselage through a second boss; The first eccentric wheel is provided with a first eccentric hole away from the center of the first eccentric wheel, and the second eccentric wheel is provided with a second eccentric hole away from the center of the second eccentric wheel. The upper end of the transmission shaft is inserted into the first eccentric hole through a bearing sleeve, and the lower end of the transmission shaft is inserted into the second eccentric hole through a bearing sleeve. The first positioning assembly includes a guide cylinder, a telescopic cylinder, and a drive screw. The guide cylinder is rotatably installed on the first support arm through a second bearing sleeve. The telescopic cylinder is movably arranged in the guide cylinder. The drive screw is installed on the telescopic cylinder. The first clamping member is connected to the bottom end of the telescopic cylinder. The second synchronous wheel is fixed on the outside of the guide cylinder; A guide groove arranged in a vertical direction is provided on the inner wall of the guide cylinder, and a positioning pin is provided on the outer wall of the telescopic cylinder, and the positioning pin is clamped in the guide groove; The second positioning assembly includes a rotating shaft, a tray and a support base. The rotating shaft is rotatably connected to the second support arm through a third sleeve. The tray is connected to the upper end of the rotating shaft. The support base is arranged on the tray. The fourth synchronous wheel is fixedly connected to the lower end of the rotating shaft.

2. A vertical synchronous rotary welding platform according to claim 1, characterized in that: A pressure cover for locking the first eccentric wheel is provided on the first boss, and the pressure cover is detachably connected to the first boss by bolts.

3. The vertical synchronous rotary welding platform according to claim 1, characterized in that: A detachable connecting nut is provided on the top of the telescopic cylinder, and the connecting nut is engaged with the driving screw; A driving hand wheel is provided on the top of the driving screw rod.

4. The vertical synchronous rotary welding platform according to claim 1, characterized in that: The second positioning assembly further includes a dust cover, which is detachably arranged on the top of the third sleeve; A sealing step is provided on the top of the third shaft sleeve, and the dust cover is fitted with the top of the third shaft sleeve.

5. The vertical synchronous rotary welding platform according to claim 1, characterized in that: The driving member is configured as a variable speed motor, which is fixed to one side of the fuselage via a motor box. The driving wheel is connected to the output shaft of the variable speed motor, and a speed regulating switch for controlling the variable speed motor is provided in the motor box.

6. The vertical synchronous rotary welding platform according to claim 5, characterized in that: The diameter of the first synchronous wheel is the same as that of the third synchronous wheel, the diameter of the second synchronous wheel is the same as that of the fourth synchronous wheel, the diameter of the driving wheel is smaller than that of the first synchronous wheel, and the diameter of the first synchronous wheel is smaller than that of the second synchronous wheel.

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