Automobile oil tank oil port mounting tool

Abstract

This invention discloses a fuel tank port installation fixture for automobiles, belonging to the technical field of fuel tank fixture equipment. It includes a workbench with a top plate fixedly installed on it. An electric telescopic rod is fixedly installed on the top plate, and an installation rod is fixedly installed on the output end of the electric telescopic rod. This solution uses a clamping block. As the installation rod moves the vertical rod downwards, the oil pipe moves the first installation ring and the horizontal rod upwards. Then, the horizontal rod moves the slider upwards via a connecting rope. The slider's inclined groove drives the clamping block to open, achieving stable clamping from the inner wall of the oil pipe. This avoids problems such as displacement, tilting, or detachment of the oil pipe during docking and welding. Simultaneously, a locking component is included, which automatically locks and positions the oil pipe after clamping, ensuring precise alignment between the oil pipe and the fuel tank port. Furthermore, during operation, workers can load and unload workpieces while the equipment is processing, ensuring seamless integration of each process and effectively improving welding efficiency.

Description

Technical Field

[0001] This invention relates to the field of fuel tank tooling equipment technology, and more specifically, to a fuel tank port installation tooling for automobiles. Background Technology

[0002] The fuel tank is a core safety component of the fuel system. The installation and welding of the fuel tank port is a critical process in automobile production, directly determining the vehicle's sealing reliability, leak-proof capability, and long-term safety performance. Currently, most fuel tank port welding requires manual fixing, but manual fixing cannot accurately align the port with the fuel line, which can easily affect welding efficiency.

[0003] To address the aforementioned issues, some solutions have been proposed in the prior art. For example, Chinese invention application CN113618663A discloses a gasoline tank filler neck installation fixture. This device uses a left and right limiting rod to restrict the position of the fuel tank structure on two sets of fixed plates. At this time, the filler neck of the fuel tank structure is placed inside the limiting area, which quickly positions the filler neck and thus improves welding efficiency to a certain extent. However, in actual use, workers still need to place the fuel pipe at the fuel tank neck position. Manual placement of the fuel pipe is not only inefficient, but also prone to displacement of the fuel pipe position, which seriously affects the welding quality. Summary of the Invention

[0004] To address the problems existing in the prior art, the purpose of this invention is to provide a tooling for installing an automotive fuel tank port, which can improve the welding efficiency between the fuel tank port and the fuel line.

[0005] To solve the above problems, the present invention adopts the following technical solution.

[0006] A tooling for installing an automotive fuel tank filler neck includes a workbench, a top plate fixedly installed on the workbench, an electric telescopic rod fixedly installed on the top plate, an installation rod fixedly installed on the output end of the electric telescopic rod, and a welding machine body provided on the installation rod. An electric turntable is fixedly installed on the workbench, and a housing template and a feeding pipe are symmetrically fixedly installed on the electric turntable. A clamping assembly that cooperates with the feeding pipe is provided on the installation rod. The clamping assembly includes a vertical rod slidably mounted on a mounting rod, a horizontal rod slidably mounted on the vertical rod, a first mounting ring fixedly mounted on the horizontal rod, a first spring jointly mounted between the horizontal rod and the vertical rod, clamping blocks symmetrically slidably mounted on the vertical rod, a second spring jointly mounted between the clamping blocks and the vertical rod, a slider vertically slidably mounted on the vertical rod, and symmetrically provided oblique grooves on the slider, a connecting rope jointly mounted between the slider and the horizontal rod, and a locking assembly that cooperates with the horizontal rod on the vertical rod.

[0007] Furthermore, the locking assembly includes a fixed rod that is horizontally slidably mounted on a vertical rod, a fixed block that is fixedly mounted at the bottom end of the fixed rod, the bottom wall of the fixed block being inclined, an L-shaped fixing groove being provided on the horizontal rod, and a third spring being installed between the fixed rod and the vertical rod.

[0008] Furthermore, a second mounting ring is rotatably mounted on the mounting rod, a vertical plate is fixedly mounted on the second mounting ring, an electric push rod is fixedly mounted on the vertical plate, and the welding machine body is fixedly mounted on the output end of the electric push rod. An internal gear is fixedly mounted on the second mounting ring, a first gear meshing with the internal gear is rotatably mounted on the mounting rod, a motor whose output end is connected to the first gear is fixedly mounted on the mounting rod, and a fourth spring is installed between the vertical rod and the mounting rod.

[0009] Furthermore, a limiting rod is vertically slidably mounted on the mounting rod, and a fifth spring is installed between the limiting rod and the mounting rod. An annular plate is fixedly mounted at the bottom end of the limiting rod, and a third mounting ring is rotatably mounted on the annular plate. A sleeve is fixedly mounted on the third mounting ring, and a cleaning rod is slidably mounted inside the sleeve. A sixth spring is installed between the cleaning rod and the sleeve. An mounting block is fixedly mounted at the bottom end of the cleaning rod, and a cleaning rod is fixedly mounted on the side wall of the mounting block.

[0010] Furthermore, a spiral groove is provided on the third mounting ring, and a protrusion is fixedly installed on the mounting rod, the protrusion extending into the spiral groove.

[0011] Furthermore, an electromagnet electrically connected to the electric push rod is fixedly installed inside the sleeve, and a magnet block that attracts the electromagnet is fixedly installed on the cleaning rod.

[0012] Furthermore, a spring telescopic rod is fixedly installed on the mounting rod, a push block is fixedly installed on the output end of the spring telescopic rod, a linkage block is fixedly installed on the fixed rod, and a linkage groove is provided on the linkage block.

[0013] Furthermore, the sidewalls of the two clamping blocks that are far apart from each other are curved, and anti-slip pads are fixedly installed on the sidewalls of the clamping blocks.

[0014] Furthermore, a suction cup is fixedly installed on the housing template, an air pump with its input end connected to the suction cup is fixedly installed on the housing template, and a switch electrically connected to the air pump is fixedly installed on the electric turntable.

[0015] Furthermore, a ball bearing is fixedly installed on the bottom wall of the protrusion, and the elastic coefficient of the spring telescopic rod is less than that of the third spring.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) This solution sets up a clamping block. During the process of the installation rod driving the vertical rod to move downward, the oil pipe drives the first installation ring and the horizontal rod to move upward. Then, the horizontal rod drives the slider to move upward through the connecting rope. The clamping block is driven to open by the inclined groove of the slider, and the oil pipe is stably clamped from the inner wall of the oil pipe, so as to avoid the oil pipe from shifting, tilting, falling off and other problems during docking and welding. At the same time, a locking component is set up. After clamping, it can automatically lock and position, ensuring that the oil pipe and the oil tank port are accurately aligned. During the operation, the staff can complete the loading and unloading of the workpiece while the equipment is processing. The various processes are closely connected and do not delay each other, which effectively improves the welding efficiency.

[0017] (2) This solution uses a cleaning rod. After the metal bristles on the cleaning rod come into contact with the weld, the mounting rod continues to move downward. The mounting rod drives the third mounting ring to rotate through the protrusion and the spiral groove. During the rotation of the third mounting ring, the cleaning rod automatically performs pre-welding treatment on the weld. After welding, the mounting rod drives the third mounting ring to reverse through the protrusion and the spiral groove. Then the third mounting ring drives the cleaning rod to reverse. During the reverse rotation of the cleaning rod, the residual welding slag and debris on the weld surface are automatically ground and cleaned. There is no need for manual grinding by the staff later, which further improves the welding efficiency.

[0018] (3) By setting a push block, during the process of the vertical rod compressing the fourth spring, the spring telescopic rod drives the fixed block to disengage from the fixed groove through the push block. When the mounting rod moves upward, the disengaged fixed block gradually disengages from the fixed groove. At this time, the spring telescopic rod will drive the push block to disengage from the linkage block, thereby automatically releasing the clamping and locking state of the oil pipe, realizing automatic unloading of the oil pipe, and effectively improving welding efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a combined diagram of the mounting rod, the second mounting ring, and the vertical rod of the present invention; Figure 3 This is a cross-sectional view of the vertical rod, mounting rod, first mounting ring, and third mounting ring of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 5 For the present invention Figure 3 Enlarged view at point B in the middle; Figure 6 For the present invention Figure 3 Enlarged view at point C; Figure 7This is a diagram showing the combination of the third mounting ring and the annular plate of the present invention; Figure 8 This is a diagram showing the combination of the suction cup and the air pump of the present invention; Figure 9 This is a cross-sectional view of the sleeve and cleaning rod of the present invention.

[0020] Explanation of the labels in the diagram: 101. Workbench; 102. Top plate; 103. Electric telescopic rod; 104. Mounting rod; 105. Welding machine body; 106. Electric turntable; 107. Shell template; 108. Feeding pipe; 201. Vertical rod; 202. Horizontal rod; 203. First mounting ring; 204. First spring; 205. Clamping block; 206. Second spring; 207. Slider; 208. Inclined groove; 209. Connecting rope; 301. Fixing rod; 302. Fixing block; 303. Fixing groove; 304. Third spring; 305. Spring telescopic rod; 306. Push block; 307. Linkage block; 308. Linkage groove; 401. Second mounting ring; 402. Vertical plate; 403. Electric push rod; 404. Internal gear; 405. First gear; 406. Motor; 407. Fourth spring; 501. Limiting rod; 502. Fifth spring; 503. Annular plate; 504. Third mounting ring; 505. Sleeve; 506. Cleaning rod; 507. Sixth spring; 508. Mounting block; 509. Cleaning rod; 601. Spiral groove; 602. Protrusion; 603. Electromagnet; 604. Magnetic block; 701. Anti-slip mat; 702. Suction cup; 703. Air pump; 704. Switch; 705. Ball bearing. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1 to 9A tooling for installing an automotive fuel tank filler neck includes a workbench 101, a top plate 102 fixedly installed on the workbench 101, an electric telescopic rod 103 fixedly installed on the top plate 102, an installation rod 104 fixedly installed on the output end of the electric telescopic rod 103, and a welding machine body 105 provided on the installation rod 104. An electric turntable 106 is fixedly installed on the workbench 101, and a housing template 107 and a feeding pipe 108 are symmetrically fixedly installed on the electric turntable 106. A clamping assembly that cooperates with the feeding pipe 108 is provided on the installation rod 104. The clamping assembly includes a vertical rod 201 slidably mounted on a mounting rod 104, a horizontal rod 202 slidably mounted on the vertical rod 201, a first mounting ring 203 fixedly mounted on the horizontal rod 202, a first spring 204 jointly mounted between the horizontal rod 202 and the vertical rod 201, clamping blocks 205 symmetrically slidably mounted on the vertical rod 201, a second spring 206 jointly mounted between the clamping blocks 205 and the vertical rod 201, a slider 207 vertically slidably mounted on the vertical rod 201, and inclined grooves 208 symmetrically opened on the slider 207, a connecting rope 209 jointly mounted between the slider 207 and the horizontal rod 202, and a locking assembly that cooperates with the horizontal rod 202 on the vertical rod 201.

[0023] The locking assembly includes a fixed rod 301 that is horizontally slidably mounted on a vertical rod 201. A fixed block 302 is fixedly mounted at the bottom end of the fixed rod 301. The bottom wall of the fixed block 302 is inclined. An L-shaped fixing groove 303 is provided on the horizontal rod 202. A third spring 304 is installed between the fixed rod 301 and the vertical rod 201.

[0024] In use, the operator first places the oil pipe to be installed into the hole in the center of the feeding pipe 108. Then, the electric turntable 106 moves the oil pipe downwards towards the clamping assembly. At the same time, the shell template 107 moves to the operator's side, and the operator can place the upper shell of the oil tank on the shell template 107. Simultaneously, the output end of the electric telescopic rod 103 extends and moves the mounting rod 104 downwards. During the downward movement of the mounting rod 104, the vertical rod 201 is inserted into the oil pipe. As the mounting rod 104 continues to move downwards, the first mounting ring 203 contacts the inner wall of the oil pipe. At this point, the first mounting ring 203 cannot move downwards further. As the vertical rod 201 continues to move downwards, the first mounting ring 203 drives the slider 207 upwards via the horizontal rod 202 and the connecting rope 209. At this point, the first spring 204 is compressed and has a tendency to return to its original position. During the upward movement of the slider 207, the slider 207 drives the two clamping blocks 205 away from each other via the inclined groove 208 and compresses the second spring 206. As the holding blocks 205 move away from each other, they gradually come into contact with the inner wall of the oil pipe and clamp it. After the clamping blocks 205 clamp the oil pipe, the locking assembly locks the horizontal rod 202 and the vertical rod 201, thus preventing the clamping blocks 205 from resetting. Then, the output end of the electric telescopic rod 103 retracts and drives the mounting rod 104 to move upward. After the mounting rod 104 resets, the electric turntable 106 drives the upper shell of the oil tank to move below the oil pipe via the shell template 107. At this time, the output end of the electric telescopic rod 103 extends again and drives the mounting rod 104 to move downward synchronously with the oil pipe. During the downward movement of the oil pipe, the oil pipe gradually contacts the oil port on the upper shell of the oil tank. Then, the welding machine body 105 can weld the oil pipe to the oil port of the oil tank. With the cooperation of the clamping block 205 and the vertical rod 201, the oil pipe can be prevented from shifting or tilting. In addition, during the welding and clamping of the oil pipe, the operator can place new materials in the designated position, thereby effectively improving the welding efficiency.

[0025] During the clamping process of the clamping block 205 clamping the oil pipe, the horizontal rod 202 gradually compresses the first spring 204. As the horizontal rod 202 compresses the first spring 204, the fixing groove 303 on the horizontal rod 202 gradually contacts the inclined surface of the fixing block 302. Then, the fixing groove 303 pushes the fixing block 302 through the inclined surface of the fixing block 302, causing the fixing rod 301 to compress the third spring 304. As the horizontal rod 202 compresses the first spring 204, the fixing rod 301 causes the fixing block 302 to move vertically to the position of the fixing groove 303. When the clamping block 205 clamps the inner wall of the oil pipe, the third spring 304 extends and, through the fixing rod 301, causes the fixing block 302 to be stuck in the fixing groove 303. This prevents the clamping block 205 from resetting and causing the oil pipe to fall off when the mounting rod 104 moves the vertical rod 201 upward.

[0026] like Figures 3 to 7 As shown, a second mounting ring 401 is rotatably mounted on the mounting rod 104, a vertical plate 402 is fixedly mounted on the second mounting ring 401, an electric push rod 403 is fixedly mounted on the vertical plate 402, and the welding machine body 105 is fixedly mounted on the output end of the electric push rod 403. An internal gear 404 is fixedly mounted on the second mounting ring 401, a first gear 405 that meshes with the internal gear 404 is rotatably mounted on the mounting rod 104, a motor 406 whose output end is connected to the first gear 405 is fixedly mounted on the mounting rod 104, and a fourth spring 407 is installed between the vertical rod 201 and the mounting rod 104.

[0027] A limiting rod 501 is vertically and slidably mounted on the mounting rod 104, and a fifth spring 502 is installed between the limiting rod 501 and the mounting rod 104. An annular plate 503 is fixedly mounted at the bottom end of the limiting rod 501. A third mounting ring 504 is rotatably mounted on the annular plate 503. A sleeve 505 is fixedly mounted on the third mounting ring 504. A cleaning rod 506 is slidably mounted inside the sleeve 505. A sixth spring 507 is installed between the cleaning rod 506 and the sleeve 505. An mounting block 508 is fixedly mounted at the bottom end of the cleaning rod 506. A cleaning rod 509 is fixedly mounted on the side wall of the mounting block 508.

[0028] The third mounting ring 504 has a spiral groove 601, and the mounting rod 104 has a protrusion 602 fixedly mounted on it, the protrusion 602 extending into the spiral groove 601.

[0029] An electromagnet 603 electrically connected to the electric push rod 403 is fixedly installed inside the sleeve 505, and a magnet block 604 that attracts the electromagnet 603 is fixedly installed on the cleaning rod 506.

[0030] By adopting the above technical solution, during welding, the mounting rod 104, through the vertical rod 201, drives the oil pipe to press against the oil port on the upper shell of the oil tank. As the mounting rod 104 continues to move downward, the first mounting ring 203 cannot move further because it is fixed to the vertical rod 201 by the fixing rod 301 and the fixing block 302. As the mounting rod 104 moves downward, the vertical rod 201 moves along the mounting rod 104 and compresses the fourth spring 407. During the downward movement of the mounting rod 104, the mounting rod 104 drives the third mounting ring 504 downward through the fifth spring 502, the limiting rod 501, and the annular plate 503. When the third mounting ring 504 moves downward, it drives the cleaning rod 506 through the sleeve 505, the cleaning rod 506, and the mounting block 508. The rod 509 moves downwards synchronously. When the metal bristles on the cleaning rod 509 contact the weld between the oil pipe and the upper shell of the oil tank, the bottom wall of the third mounting ring 504 contacts the top wall of the first mounting ring 203. At this point, the third mounting ring 504 cannot continue to move downwards. Then, as the mounting rod 104 continues to move downwards, the limiting rod 501 moves upwards and compresses the fifth spring 502. At the same time, the mounting rod 104 drives the protrusion 602 to slide along the spiral groove 601. During the sliding process of the protrusion 602 along the spiral groove 601, the protrusion 602 drives the third mounting ring 504 to rotate through the spiral groove 601. During the rotation of the third mounting ring 504, the cleaning rod 509 is driven to rotate, thereby cleaning the oxide film and impurities on the weld surface. This eliminates the need for workers to treat the weld, further improving welding efficiency.

[0031] During the downward movement of the mounting rod 104, the welding machine body 105 is driven to move downward through the second mounting ring 401, the vertical plate 402, and the electric push rod 403. When the protrusion 602 moves to the bottom of the spiral groove 601, the mounting rod 104 can no longer move downward at the lowest point. Then, the electric push rod 403 is energized, and the output end of the electric push rod 403 gradually extends and drives the welding end of the welding machine body 105 to contact the weld. At this time, the motor 406 drives the second mounting ring 401 to rotate through the first gear 405 and the internal gear 404. During the rotation of the second mounting ring 401, the output end of the welding machine body 105 is rotated and the weld is welded and installed, thus achieving the purpose of installing the oil tank port.

[0032] When the electric push rod 403 is energized, the electromagnet 603 is energized and generates an electromagnetic field. Then, under the action of the electromagnetic field, the magnet block 604 drives the cleaning rod 506 to move upward and compresses the sixth spring 507. During the upward movement of the cleaning rod 506, the cleaning rod 509 is driven to move upward synchronously, thereby preventing the cleaning rod 509 from obstructing the welding.

[0033] After welding is completed, motor 406 is de-energized, and simultaneously, the output end of electric push rod 403 retracts, causing the welding machine body 105 to gradually reset. After electric push rod 403 retracts, it is de-energized, at which point electromagnet 603 is also de-energized. Then, sixth spring 507 extends, causing cleaning rod 506 to reset. During the reset process of cleaning rod 506, cleaning rod 509 is also reset. Then, as mounting rod 104 moves upward, fifth spring 502 extends and, through limiting rod 501, prevents third mounting ring 504 from moving. As the mounting rod 104 moves upward, the protrusion 602 and the spiral groove 601 drive the third mounting ring 504 to rotate in the opposite direction. During the reverse rotation of the third mounting ring 504, the cleaning rod 509 is driven to treat the residual welding slag on the weld, which means that there is no need for the staff to manually clean the welding slag. It should be noted that the direction of the reverse rotation of the third mounting ring 504 is opposite to the rotation direction of the welding machine body 105 during welding, thereby leaving a cooling gap for the weld and preventing the cleaning rod 509 from damaging the weld that has just been welded, thus effectively improving the welding efficiency.

[0034] like Figures 3 to 6 As shown, a spring telescopic rod 305 is fixedly installed on the mounting rod 104, a push block 306 is fixedly installed on the output end of the spring telescopic rod 305, a linkage block 307 is fixedly installed on the fixing rod 301, and a linkage groove 308 is provided on the linkage block 307.

[0035] The sidewalls of the two clamping blocks 205 that are far apart from each other are curved, and the sidewalls of the clamping blocks 205 are fixedly equipped with anti-slip pads 701.

[0036] By adopting the above technical solution, by making the side wall of the clamping block 205 arc-shaped, the side wall of the clamping block 205 can be made to fit against the inner wall of the oil pipe. Furthermore, by setting the anti-slip pad 701, the fixing effect of the clamping block 205 on the oil pipe can be further improved. Then, during the upward movement of the vertical rod 201 and the compression of the fourth spring 407, the spring telescopic rod 305 drives the push block 306 to gradually contact the linkage groove 308 of the linkage block 307. Under the action of the linkage block 307, the spring telescopic rod 305 gradually contracts. When the spring telescopic rod 305 reaches its maximum compression, it can no longer compress. At this time, the spring telescopic rod 305 drives the push block 306 to... The linkage block 307 is moved by the linkage groove 308. During the movement of the linkage block 307, the fixing rod 301 is driven to compress the third spring 304. During the movement of the fixing rod 301, the fixing rod 301 drives the fixing block 302 to disengage from the fixing groove 303. Then, as the mounting rod 104 moves, the spring telescopic rod 305 drives the push block 306 to continue moving. The push block 306 disengages from the linkage groove 308 and contacts the side wall of the linkage block 307. It should be noted that in order to ensure the frictional stability when the push block 306 contacts the linkage block 307, the sides of the push block 306 that contact the linkage block 307 are provided with anti-slip rough texture. Then, as the mounting rod 104 moves upward, the fourth spring 407 extends and drives the vertical rod 201 to return to its original position downward. Simultaneously, the spring telescopic rod 305 gradually extends. Because the push block 306 is in contact with the side wall of the linkage block 307, and the third spring 304 causes the linkage block 307 to press against the side wall of the push block 306, the anti-slip rough texture on the sides of the push block 306 and the linkage block 307 creates a static friction force greater than the deformation elastic force of the spring telescopic rod 305. Under this friction force, the push block 306 cannot slide relative to the vertical rod. As the mounting rod 104 moves upward, the spring telescopic rod 305 is gradually stretched. Meanwhile, after the fourth spring 407 extends and returns to its original position, as the mounting rod 104 moves upward... As the first spring 204 extends, it drives the horizontal rod 202 and the first mounting ring 203 to move downward. During the downward movement of the horizontal rod 202, the third spring 304 extends and drives the clamping block 205 to reset. During the reset of the clamping block 205, the clamping block 205 drives the slider 207 to reset downward through the inclined groove 208. During the reset process, the clamping block 205 gradually releases its support on the inner wall of the oil pipe. As the mounting rod 104 moves upward, the spring telescopic rod 305 drives the push block 306 to disengage from the linkage block 307. At the same time, the spring telescopic rod 305 retracts and drives the push block 306 to reset, thereby automatically releasing the clamping of the oil pipe and further improving the welding efficiency.

[0037] like Figures 1 to 8As shown, a suction cup 702 is fixedly installed on the housing template 107, an air pump 703 with its input end connected to the suction cup 702 is fixedly installed on the housing template 107, and a switch 704 electrically connected to the air pump 703 is fixedly installed on the electric turntable 106.

[0038] A ball bearing 705 is fixedly installed on the bottom wall of the protrusion 602, and the elastic coefficient of the spring telescopic rod 305 is less than the elastic coefficient of the third spring 304.

[0039] By adopting the above technical solution, after the workers install the upper shell of the oil tank onto the shell template 107, the workers can press the switch 704 to turn on the air pump 703. At this time, the air pump 703 fixes the upper shell of the oil tank through the suction cup 702 to prevent the upper shell of the oil tank from moving during transportation or installation and affecting the welding efficiency. After the installation is completed, as the electric turntable 106 moves the installed upper shell of the oil tank to the unloading area, the unloading personnel can press the switch 704 again to turn off the air pump 703 and then remove the installed upper shell of the oil tank.

[0040] During the sliding process of the protrusion 602 along the spiral groove 601, the rolling ball 705 can convert the sliding friction between the protrusion 602 and the spiral groove 601 into rolling friction between the rolling ball 705 and the spiral groove 601, thereby reducing the resistance between the protrusion 602 and the spiral groove 601. Furthermore, by making the elastic coefficient of the spring telescopic rod 305 less than that of the third spring 304, it can be ensured that when the mounting rod 104 is reset upward, the friction between the linkage block 307 and the push block 306 can overcome the elastic force of the spring telescopic rod 305 under the action of the elastic force of the third spring 304. This prevents the spring telescopic rod 305 from causing the push block 306 to disengage from the linkage block 307 under the action of the elastic force of the spring telescopic rod 305.

[0041] Instructions for use: First, start the electric turntable 106 to rotate, turning the feed pipe 108 carrying the oil pipe to directly below the clamping assembly. At the same time, the shell template 107, along with the upper shell of the oil tank, is simultaneously moved to the working position. Control the electric telescopic rod 103 to extend, driving the mounting rod 104 and the clamping assembly to move downwards. The vertical rod 201 extends into the oil pipe. During the continuous downward movement, the first mounting ring 203 stops moving downwards against the end face of the oil pipe. The vertical rod 201 continues to move downwards, compressing the first spring 204. At the same time, the connecting rope 209 pulls the slider 207 upwards, pushing the clamping blocks 205 on both sides to open outwards with the help of the inclined groove 208, compressing the second spring 206, so that the clamping blocks 205 are tightly pressed against the inner wall of the oil pipe to complete the clamping. The horizontal rod 202 moves downwards accordingly, the fixing groove 303 cooperates with the fixing block 302, and the third spring 304 resets and pushes the fixing block 302 into the fixing groove 303, locking the assembly and keeping the oil pipe clamped in a secure state.

[0042] The electric telescopic rod 103 retracts slightly, lifting the clamped oil pipe upwards. The electric turntable 106 rotates again, moving the oil pipe directly above the oil port on the upper shell of the oil tank. The electric telescopic rod 103 extends again, pressing the oil pipe down to fit against the oil port of the oil tank. At this time, the vertical rod 201 slides relative to the mounting rod 104, compressing the fourth spring 407. The mounting rod 104 moves downwards, causing the limit rod 501, the annular plate 503, and the third mounting ring 504 to move downwards simultaneously. The cleaning rod 509 contacts the weld between the oil pipe and the oil tank. After the third mounting ring 504 reaches its position, it stops moving. The mounting rod 104 continues to move downwards, compressing the fifth spring 502. The protrusion 602 on the mounting rod 104 slides along the spiral groove 601, driving the third mounting ring 504 and the cleaning rod 509 to rotate, grinding and removing oxide scale and impurities from the weld surface, completing the pre-welding cleaning.

[0043] After the pre-welding cleaning is completed, the electric push rod 403 is started, the electromagnet 603 is energized, and the magnetic block 604 is attracted, which drives the cleaning rod 506 and the cleaning rod 509 to move upward and compress the sixth spring 507 to avoid the welding area; then the electric push rod 403 extends and pushes the welding head of the welding machine body 105 to contact the weld seam; then the motor 406 is started, which drives the second mounting ring 401 and the welding machine body 105 to rotate as a whole through the first gear 405 and the internal gear 404, and performs continuous circumferential welding along the weld seam.

[0044] After welding is completed, first turn off the motor 406, the electric push rod 403 retracts and resets, then disconnect the power supply to the electric push rod 403, the electromagnet 603 is de-energized, the sixth spring 507 resets, and drives the cleaning rod 509 back to the weld. The electric telescopic rod 103 drives the mounting rod 104 to reset upwards as a whole. The fifth spring 502 pushes the limit rod 501 to reset, and the protrusion 602 slides in the opposite direction along the spiral groove 601, driving the cleaning rod 509 to rotate in the opposite direction to clean the welding slag.

[0045] During the upward movement of the mounting rod 104, the spring telescopic rod 305 drives the push block 306 to contact the linkage groove 308 of the linkage block 307, pushing the fixing rod 301 to compress the third spring 304, causing the fixing block 302 to disengage from the fixing groove 303 and release the lock.

[0046] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concepts, should be covered within the scope of protection of the present invention.

Claims

1. A tooling for installing an automotive fuel tank filler neck, comprising a worktable (101), characterized in that: A top plate (102) is fixedly installed on the workbench (101), an electric telescopic rod (103) is fixedly installed on the top plate (102), an installation rod (104) is fixedly installed on the output end of the electric telescopic rod (103), and a welding machine body (105) is provided on the installation rod (104). An electric turntable (106) is fixedly installed on the workbench (101), and a shell template (107) and a feeding pipe (108) are symmetrically fixedly installed on the electric turntable (106). A clamping assembly that cooperates with the feeding pipe (108) is provided on the installation rod (104). The clamping assembly includes a vertical rod (201) slidably mounted on a mounting rod (104), a horizontal rod (202) slidably mounted on the vertical rod (201), and a first mounting ring (203) fixedly mounted on the horizontal rod (202). A first spring (204) is installed between the horizontal rod (202) and the vertical rod (201). A clamping block (205) is symmetrically slidably mounted on the vertical rod (201), and a second spring (206) is installed between the clamping block (205) and the vertical rod (201). A slider (207) is vertically slidably mounted on the vertical rod (201), and inclined grooves (208) are symmetrically opened on the slider (207). A connecting rope (209) is installed between the slider (207) and the horizontal rod (202). A locking assembly that cooperates with the horizontal rod (202) is provided on the vertical rod (201).

2. The automotive fuel tank filler neck installation fixture according to claim 1, characterized in that: The locking assembly includes a fixed rod (301) that is horizontally slidably mounted on a vertical rod (201). A fixed block (302) is fixedly mounted at the bottom end of the fixed rod (301). The bottom wall of the fixed block (302) is inclined. An L-shaped fixing groove (303) is provided on the horizontal rod (202). A third spring (304) is installed between the fixed rod (301) and the vertical rod (201).

3. The oil filler installation tool for an automobile fuel tank according to claim 2, characterized in that: A second mounting ring (401) is rotatably mounted on the mounting rod (104). A vertical plate (402) is fixedly mounted on the second mounting ring (401). An electric push rod (403) is fixedly mounted on the vertical plate (402). The welding machine body (105) is fixedly mounted on the output end of the electric push rod (403). An internal gear (404) is fixedly mounted on the second mounting ring (401). A first gear (405) meshing with the internal gear (404) is rotatably mounted on the mounting rod (104). A motor (406) whose output end is connected to the first gear (405) is fixedly mounted on the mounting rod (104). A fourth spring (407) is installed between the vertical rod (201) and the mounting rod (104).

4. The oil filler installation tool for an automobile fuel tank according to claim 3, characterized in that: A limiting rod (501) is vertically slidably mounted on the mounting rod (104), and a fifth spring (502) is installed between the limiting rod (501) and the mounting rod (104). An annular plate (503) is fixedly mounted at the bottom end of the limiting rod (501). A third mounting ring (504) is rotatably mounted on the annular plate (503). A sleeve (505) is fixedly mounted on the third mounting ring (504). A cleaning rod (506) is slidably mounted inside the sleeve (505). A sixth spring (507) is installed between the cleaning rod (506) and the sleeve (505). An mounting block (508) is fixedly mounted at the bottom end of the cleaning rod (506). A cleaning rod (509) is fixedly mounted on the side wall of the mounting block (508).

5. The oil filler installation tool for an automobile fuel tank according to claim 4, characterized in that: The third mounting ring (504) has a spiral groove (601), and a protrusion (602) is fixedly mounted on the mounting rod (104), with the protrusion (602) extending into the spiral groove (601).

6. The oil filler installation tool for an automobile fuel tank according to claim 5, characterized in that: An electromagnet (603) electrically connected to an electric push rod (403) is fixedly installed inside the sleeve (505), and a magnet block (604) that attracts the electromagnet (603) is fixedly installed on the cleaning rod (506).

7. The oil filler installation tool for an automobile fuel tank according to claim 6, characterized in that: A spring telescopic rod (305) is fixedly installed on the mounting rod (104), a push block (306) is fixedly installed on the output end of the spring telescopic rod (305), a linkage block (307) is fixedly installed on the fixed rod (301), and a linkage groove (308) is provided on the linkage block (307).

8. The oil filler installation tool for an automobile fuel tank according to claim 7, characterized in that: The sidewalls of the two clamping blocks (205) that are far apart from each other are curved, and the sidewalls of the clamping blocks (205) are fixedly equipped with anti-slip pads (701).

9. The automotive fuel tank filler neck installation fixture according to claim 8, characterized in that: A suction cup (702) is fixedly installed on the shell template (107), an air pump (703) whose input end is connected to the suction cup (702) is fixedly installed on the shell template (107), and a switch (704) electrically connected to the air pump (703) is fixedly installed on the electric turntable (106).

10. The automotive fuel tank filler neck installation fixture according to claim 9, characterized in that: The bottom wall of the protrusion (602) is fixedly equipped with a ball bearing (705), and the elastic coefficient of the spring telescopic rod (305) is less than that of the third spring (304).

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