A hydraulic cylinder barrel welding device

Abstract

The application discloses a hydraulic cylinder body welding device, and relates to the technical field of hydraulic cylinder production.The device comprises a base, a support plate one fixedly installed on the base, a fixing device, a top rod, a side surface of an output end of an electric telescopic rod one, a disc one rotatably installed on the side surface of the top rod, an L-shaped rod fixedly installed on a circumferential surface of a rotating part one, a rotating part two fixedly installed on one end of the L-shaped rod away from the rotating part one, a sliding block fixedly installed on a side surface of the rotating part two, a fixed plate fixedly installed on a side surface of the sliding block, an electric telescopic rod two fixedly installed on a side surface of the fixed plate, and a distance between cylinders one is adjusted by the fixing device.The sliding block drives a rotating shaft to move, and the rotating shaft drives the cylinders one to move, so that the distance control of the cylinders one is realized.The four-way drum clamping mechanism driven by the electric telescopic rod realizes the mechanical fixing of the cylinder body, can ensure that the clamping force is uniformly distributed, and avoids local deformation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic cylinder production, in particular to a hydraulic cylinder body weld welding device. BACKGROUND

[0002] As the core executive component of the hydraulic transmission system, the hydraulic cylinder is widely used in the fields of engineering machinery (such as excavators, loaders), metallurgical equipment, shipbuilding, aerospace, military equipment, etc. Its performance directly affects the reliability, sealing and service life of the entire hydraulic system. As a key component of the hydraulic cylinder, the welding quality of the cylinder body is particularly important.

[0003] The patent with the patent announcement number CN221935796U relates to the technical field of hydraulic cylinder production, specifically to a hydraulic cylinder body weld welding device, which comprises a base, a support mechanism fixedly connected above the base, a fixing mechanism installed on the side surface of the support mechanism, and a welding mechanism installed on the surface of the base. The support mechanism comprises a support leg fixedly connected with the base, a rotating frame inserted into the upper part of the support leg, a rotating rod sleeved in the rotating frame, a speed reducer motor movably connected to one end of the rotating rod, and a connecting rod installed on one side of the rotating frame. The improved weld welding device clamps and fixes the hydraulic cylinder body to be welded by the fixing mechanism. During welding, the hydraulic cylinder body and the fixing mechanism are slowly rotated synchronously, and the welding effect is better.

[0004] The above-mentioned patent can flexibly adjust the distance between the upper arc plate and the lower arc plate by rotating the threaded rod, and can clasp and fix hydraulic cylinder bodies of various specifications according to different sizes of hydraulic cylinder bodies, so it has stronger adaptability. In actual application, although the device can fix the cylinder body circumferentially, it lacks a limiting structure for the front and rear ends of the cylinder body. When the cylinder body is rotated and welded, displacement may occur due to the lack of axial fixation, affecting the welding precision. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a hydraulic cylinder body weld welding device to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application realizes the following technical scheme: a hydraulic cylinder body weld welding device, comprising a base, a support plate one fixedly installed on the upper surface of the base, an electric telescopic rod one installed through the side surface of the support plate one, a support plate two fixedly installed on the upper surface of the base, and a fixing device, a scraping device and an automatic unloading device.

[0007] The fixed device further includes a top rod, the top rod is fixedly installed on the output end side of the electric telescopic rod, the side of the top rod is rotatably installed with a disc one, the lower surface of the support plate is fixedly installed with a cross plate, the side of the cross plate is rotatably installed with a gear one, the side of the gear one is rotatably installed with a rotating part one, the circumferential surface of the rotating part one is fixedly installed with an L-shaped rod, the end, away from the rotating part one, of the L-shaped rod is fixedly installed with a rotating part two, the side of the rotating part two is fixedly installed with a sliding block, the side of the sliding block is fixedly installed with a fixed plate, the side of the fixed plate is fixedly installed with an electric telescopic rod two, the surface of the cross plate is provided with a groove, the inside of the groove is slidably installed with a transmission rod, the side of the sliding block is rotatably installed with a rotating shaft, the circumferential surface of the rotating shaft is rotatably installed with a cylinder one, the side of the second support plate is fixedly installed with a fixed rod, the side of the fixed rod is fixedly installed with a top plate, the side of the top plate is rotatably installed with a disc two, the distance between the cylinders one is adjusted by the fixed device, the electric telescopic rod two is started, the electric telescopic rod two starts to contract, the output end of the electric telescopic rod two drives the fixed plate to move, the fixed plate drives the sliding block to move in the groove of the cross plate, the sliding block drives the rotating shaft to move, the rotating shaft drives the cylinder one to move, and the distance control of the left and right cylinder one is realized.

[0008] Preferably, the sliding block slides in the groove, the surface of the gear one is provided with a through hole, the transmission rod is provided with two and is symmetrically distributed above and below the gear one as the center, the sliding block drives the rotating part two to rotate, the rotating part two drives the L-shaped rod to rotate, the L-shaped rod drives the rotating part one to rotate, the rotating part one drives the gear one to rotate, the gear one drives the transmission rod to move up and down, and the up and down distance control of the cylinder one is realized.

[0009] Preferably, the sliding block, the rotating shaft and the cylinder one are provided with four, are respectively arranged with the electric telescopic rod one as the center, the hydraulic cylinder needed to be welded is placed in the fixed device after the distance is adjusted, the hydraulic cylinder is clamped again by starting the electric telescopic rod two, the cylinder body can be tightly clamped and prevented from falling off by clamping in four directions.

[0010] Preferably, the scraping device further includes a motor, the motor is fixedly installed on the side of the transmission rod, the output end of the motor is fixedly installed with a gear two, the circumferential surface of the lower rotating shaft is fixedly installed with a gear three, the circumferential surface of the lower rotating shaft is rotatably installed with a cylinder two, the surface of the cylinder two is provided with a groove, the inside of the groove is rotatably installed with a scraper, the circumferential surface of the hydraulic cylinder is welded to the weld arc, the motor is started, the motor starts to slowly rotate clockwise, the output end of the motor drives the gear two to rotate, the gear two drives the meshing gear three to rotate, the gear three drives the rotating shaft to rotate, and the rotating shaft drives the cylinder one to rotate.

[0011] Preferably, the gear two meshes with the gear three, and the gear three is fixedly connected with the side surface of the cylinder one, the motor output end drives the gear two to rotate, the gear two drives the meshing gear three to rotate, the gear three drives the rotating shaft to rotate, the rotating shaft drives the cylinder one to rotate, and the rotating shaft drives the cylinder two to rotate.

[0012] Preferably, one end of the scraper away from the groove is provided as an inclined surface, and a torsion spring is arranged between the scraper and the inner wall of the groove; when rotating clockwise, the scraper inside the cylinder two slides along the cylinder body due to the inclination and does not cause any influence; after the hydraulic cylinder is welded, welding slag needs to be removed at the welding seam of the hydraulic cylinder.

[0013] Preferably, the automatic discharging device further comprises a straight rod, the straight rod is fixedly installed on the side surface of the fixed plate, a gear four is rotatably installed below the cross plate, a long block is fixedly installed below the cross plate, a U-shaped rod penetrates and slides on the side surface of the long block, a buffer channel is rotatably installed on the side surface of the supporting plate two, and springs are arranged between the buffer channel and the supporting plate two; the fixed plate drives the straight rod to move, the straight rod touches the gear four during the movement, the straight rod drives the gear four to rotate, the gear four drives the U-shaped rod to move, and the U-shaped rod moves outward when the fixing device is extruded inward.

[0014] Preferably, the straight rod is provided with a gear slot, the straight rod gear slot meshes with the gear four, the U-shaped rod is provided with a gear slot, and the U-shaped rod gear slot meshes with the gear four; the U-shaped rod moves outward when the fixing device is extruded inward, and the U-shaped rod moves inward when the fixing device moves outward; after the hydraulic cylinder is welded and the welding slag is scraped off, the fixing device is stretched outward at this time, and the U-shaped rod moves inward.

[0015] Preferably, the springs are arranged between the supporting plate one and the buffer channel and between the supporting plate two and the buffer channel; after the hydraulic cylinder is subjected to the thrust of the U-shaped rod, the hydraulic cylinder falls from the side and rolls onto the buffer channel; the buffer channel rotates and stretches the springs, the springs are deformed to generate a reaction force, the reaction force makes the buffer channel have a buffering effect on the hydraulic cylinder, and then the hydraulic cylinder rolls onto the base.

[0016] The hydraulic cylinder body welding seam welding device provided by the application has the following beneficial effects:

[0017] (1) The hydraulic cylinder body welding seam welding device drives four cylinder one to move close to each other through the electric telescopic rod, realizes mechanical fixing of the cylinder body, can ensure uniform distribution of clamping force and avoid local deformation, utilizes rolling contact to reduce surface scratches, and can automatically correct the welding seam position through the centering design of the front and rear discs, effectively solves the welding mispositioning problem, and can effectively correct the roundness of the partially out-of-round cylinder body through the close clamping of the four cylinder one, and further improves the welding effect of the cylinder body.

[0018] (2) The hydraulic cylinder body weld welding device, through the motor drive gear set and the cylinder structure, realizes the automatic rotation welding of the hydraulic cylinder, not only ensures the uniformity of the weld, but also significantly improves the welding precision and efficiency. By using the bidirectional rotation function, the cylinder friction drives the cylinder to rotate stably when welding clockwise, and the scraper automatically removes the welding slag when rotating counterclockwise, the integrated design reduces manual intervention and reduces labor intensity. In addition, the introduction of the disc structure effectively reduces the rotation friction and prolongs the service life of the equipment, and the cylinder surface design that can increase friction further improves the system adaptability.

[0019] (3) The hydraulic cylinder body weld welding device realizes the automatic lateral pushing out of the high-temperature hydraulic cylinder after welding, completely avoids the risk of manual contact burns, significantly improves the operation safety, and secondly, the pushing action of the U-shaped rod is synchronized with the fixed device, without additional power source, compact structure and rapid response. The design of the buffer channel combined with the spring effectively reduces the impact force of the cylinder falling, prevents workpiece damage or noise generation, and ensures stable and reliable discharging process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the ejector rod structure of the present application;

[0022] Figure 3 It is a schematic diagram of the gear one and the electric telescopic rod two structure of the present application;

[0023] Figure 4 It is a schematic diagram of the fixed device structure of the present application;

[0024] Figure 5 It is a schematic diagram of the rotating shaft and the cylinder structure of the present application;

[0025] Figure 6 It is a schematic diagram of the automatic discharging device structure of the present application;

[0026] Figure 7 It is a schematic diagram of the cross plate and straight plate structure of the present application;

[0027] Figure 8 It is a schematic diagram of the scraping device structure of the present application;

[0028] Figure 9 It is a schematic diagram of the overall side structure of the present application.

[0029] As shown in the figure, 1 is a base, 2 is a support plate one, 3 is an electric telescopic rod one, 4 is a support plate two, 5 is a top rod, 6 is a disc one, 7 is a cross plate, 8 is a gear one, 9 is a rotating part one, 10 is an L-shaped rod, 11 is a rotating part two, 12 is a sliding block, 13 is a fixed plate, 14 is an electric telescopic rod two, 15 is a transmission rod, 16 is a rotating shaft, 17 is a cylinder one, 18 is a fixed rod, 19 is a top plate, 20 is a disc two, 21 is a motor, 22 is a gear two, 23 is a gear three, 24 is a cylinder two, 25 is a scraper, 26 is a straight rod, 27 is a gear four, 28 is a long block, 29 is a U-shaped rod, 30 is a buffer channel, and 31 is a spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] Please refer to Figures 1-9 An embodiment of the present application is a hydraulic cylinder body welding device, which comprises a base 1, a support plate one 2 fixedly installed on the upper surface of the base 1, an electric telescopic rod one 3 installed through the side surface of the support plate one 2, a support plate two 4 fixedly installed on the upper surface of the base 1, and further comprises a fixing device, a scraping device and an automatic discharging device.

[0032] The fixing device further comprises a top rod 5 fixedly installed at the output end of the electric telescopic rod 3, a disc 6 rotatably installed at the side of the top rod 5, a cross plate 7 fixedly installed at the lower surface of the supporting plate 2, a gear 8 rotatably installed at the side of the cross plate 7, a rotating part 9 rotatably installed at the side of the gear 8, an L-shaped rod 10 fixedly installed at the circumferential surface of the rotating part 9, a rotating part 11 fixedly installed at the end of the L-shaped rod 10 away from the rotating part 9, a sliding block 12 fixedly installed at the side of the rotating part 11, a fixed plate 13 fixedly installed at the side of the sliding block 12, an electric telescopic rod 14 fixedly installed at the side of the fixed plate 13, a recess is formed in the surface of the cross plate 7, and a transmission rod 15 is slidably installed in the recess, a rotating shaft 16 is rotatably installed at the side of the sliding block 12, a cylinder 17 is rotatably installed at the circumferential surface of the rotating shaft 16, a fixing rod 18 is fixedly installed at the side of the supporting plate 4, a top plate 19 is fixedly installed at the side of the fixing rod 18, a disc 20 is rotatably installed at the side of the top plate 19, the electric telescopic rod 14 is started, the electric telescopic rod 14 starts to contract, the output end of the electric telescopic rod 14 drives the fixed plate 13 to move, the fixed plate 13 drives the sliding block 12 to move in the recess of the cross plate 7, the sliding block 12 drives the rotating shaft 16 to move, and the rotating shaft 16 drives the cylinder 17 to move, so as to control the distance between the left and right cylinders 17, the four-direction roller clamping mechanism driven by the electric telescopic rod can mechanically fix the cylinder body, can ensure that the clamping force is uniformly distributed, and can avoid local deformation.

[0033] The sliding block 12 slides in the recess, the surface of the gear 8 is provided with a through hole, and two transmission rods 15 are symmetrically arranged above and below the gear 8 as the center, the upper and lower transmission rods 15 are driven to move close to each other, the upper and lower cylinders 17 are driven to move close to each other, the rolling contact is used to reduce surface scratches, the centering design of the front and rear discs can automatically correct the position of the weld, and the problem of welding misplacement is effectively solved.

[0034] The sliding block 12, the rotating shaft 16 and the cylinder 17 are provided with four, the cylinder body can be tightly clamped and prevented from falling off through clamping in four directions, and the welding quality stability of the device is improved, and the device is particularly suitable for high-precision hydraulic cylinder welding in batch production, and the positioning accuracy and clamping efficiency are considered.

[0035] In the working of the embodiment, before welding, the electric telescopic rod 2 is started, and the electric telescopic rod 2 starts to contract, the output end of the electric telescopic rod 2 drives the fixed plate 13 to move, the fixed plate 13 drives the sliding block 12 to move in the groove of the cross plate 7, the sliding block 12 drives the rotating shaft 16 to move, the rotating shaft 16 drives the cylinder 1 to move, the distance control of the left and right cylinders 1 is realized, the sliding block 12 drives the rotating part 2 to rotate, the rotating part 2 drives the L-shaped rod 10 to rotate, the L-shaped rod 10 drives the rotating part 1 to rotate, the rotating part 1 drives the gear 1 to rotate, the gear 1 drives the transmission rod 15 to move up and down, the up and down distance control of the cylinder 1 is realized, after the distance is adjusted, the hydraulic cylinder to be welded is placed in the fixing device, the electric telescopic rod 2 is started again to clamp the hydraulic cylinder, the hydraulic cylinder is clamped by the rollers in four directions, can be tightly clamped and prevented from falling off, at the same time, the four cylinders 1 can effectively correct the roundness of the part of the cylinder body, further improve the welding effect of the cylinder body, at this time, the electric telescopic rod 1 is started, the output end of the electric telescopic rod 1 drives the ejector rod 5 to move, the ejector rod 5 drives the disc 1 to move, the cylinder body moves forward after being pushed by the disc 1, stops after touching the disc 2, realizes the alignment of the welding seams of the hydraulic cylinder to be welded through forward and backward extrusion, prevents movement during welding to cause inaccurate welding.

[0036] Please refer to Figures 1-9 On the basis of the above embodiment, in another embodiment of the present application, the scraping device further comprises a motor 21, the motor 21 is fixedly installed on the side surface of the transmission rod 15, a gear 2 is fixedly installed on the output end of the motor 21, a gear 3 is fixedly installed on the circumferential surface of the lower rotating shaft 16, a cylinder 2 is rotatably installed on the circumferential surface of the lower rotating shaft 16, a groove is formed in the surface of the cylinder 2, and a scraper 5 is rotatably installed in the groove. The circumferential surface of the hydraulic cylinder is welded to the welding arc, the motor 21 is started, the motor 21 starts to rotate clockwise at a slow speed, the gear 2 on the output end of the motor 21 drives the gear 2 to rotate, the gear 2 drives the meshing gear 3 to rotate, the gear 3 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the cylinder 1 to rotate, and the automatic rotary welding of the hydraulic cylinder is realized. Not only the uniformity of the welding seam is ensured, but also the welding precision and efficiency are significantly improved.

[0037] The gear 2 meshes with the gear 3, the gear 3 is fixedly connected with the side surface of the cylinder 1, the output end of the motor 21 drives the gear 2 to rotate, the gear 2 drives the meshing gear 3 to rotate, the gear 3 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the cylinder 1 to rotate, the rotating shaft 16 drives the cylinder 2 to rotate, the bidirectional rotation function is utilized, the cylinder friction drives the cylinder body to rotate stably during clockwise welding, the scraper 5 automatically removes the welding slag during counterclockwise rapid rotation, the integrated design reduces manual intervention and reduces labor intensity.

[0038] The end of the scraper 25 away from the groove is provided as an inclined surface, and a torsion spring is arranged between the scraper 25 and the inner wall of the groove. When rotating clockwise, the scraper 25 inside the cylinder two 24 will slide along the cylinder due to the inclination and will not cause any impact. After the hydraulic cylinder is welded, there is residual welding slag at the welding seam of the hydraulic cylinder which needs to be removed. The introduction of the disc structure effectively reduces the rotating friction and prolongs the service life of the equipment. The design of the cylinder surface which can increase friction further improves the adaptability of the system.

[0039] The automatic discharging device further comprises a straight rod 26 fixedly installed on the side of the fixed plate 13, a gear four 27 rotatably installed below the cross plate 7, a long block 28 fixedly installed below the cross plate 7, a U-shaped rod 29 slidingly penetrating through the side of the long block 28, a buffer channel 30 rotatably installed on the side of the support plate two 4, and a spring 31 arranged between the buffer channel 30 and the support plate two 4. The fixed plate 13 drives the straight rod 26 to move. The straight rod 26 touches the gear four 27 during the movement, and the straight rod 26 drives the gear four 27 to rotate. The gear four 27 drives the U-shaped rod 29 to move, so as to realize the outward movement of the U-shaped rod 29 when the fixing device is inwardly extruded, avoid the risk of artificial contact burns, and significantly improve the operation safety.

[0040] The straight rod 26 is provided with a tooth groove, and the tooth of the straight rod 26 is engaged with the gear four 27. The U-shaped rod 29 is provided with a tooth groove, and the tooth groove of the U-shaped rod 29 is engaged with the gear four 27. When the fixing device is inwardly extruded, the U-shaped rod 29 moves outward. When the fixing device moves outward, the U-shaped rod 29 moves inward. After the hydraulic cylinder is welded and the welding slag is scraped off, the fixing device is stretched outward at this time, and the U-shaped rod 29 moves inward. The design of the buffer channel in cooperation with the spring 31 effectively reduces the impact force of the cylinder falling, prevents workpiece damage or noise generation, and ensures stable and reliable discharging process.

[0041] The spring 31 is provided with two and arranged between the support plate one 2 and the buffer channel 30 and between the support plate two 4 and the buffer channel 30, respectively. After the hydraulic cylinder is pushed by the U-shaped rod 29, it falls from the side and rolls onto the buffer channel 30. The buffer channel 30 rotates and stretches the spring 31. The spring 31 generates a reaction force due to deformation. The reaction force makes the buffer channel 30 have a buffering effect on the hydraulic cylinder. Subsequently, the hydraulic cylinder rolls onto the base 1.

[0042] When the embodiment works: after the hydraulic cylinder is fixed, welding is started, at this time, welding along the circular surface of the hydraulic cylinder is needed, the motor 21 is started, the motor 21 starts to rotate clockwise slowly, the gear two 22 is driven to rotate by the output end of the motor 21, the gear three 23 is driven to rotate by the gear two 22, the rotating shaft 16 is driven to rotate by the gear three 23, the cylinder one 17 is driven to rotate by the rotating shaft 16, the cylinder two 24 is driven to rotate by the rotating shaft 16, the cylinder one 17 and the cylinder body are driven to rotate by the friction force between them, when the cylinder body rotates, the disc one 6 on the side of the ejector pin 5 and the disc two 20 on the side of the top plate 19 are driven to rotate, the rotation of the disc one 6 and the disc two 20 reduces the friction between the front and the back, other things that increase the friction force can be added to the surface of the cylinder one 17 to assist the rotation of the cylinder body, when rotating clockwise, the scraper 25 inside the cylinder two 24 will slide along the cylinder body due to the slope and will not cause any impact, after the hydraulic cylinder is welded, the welding slag left on the welding seam of the hydraulic cylinder needs to be removed, the motor 21 is started to rotate counterclockwise quickly, the cylinder two 24 is driven to rotate counterclockwise by the motor 21, at this time, the scraper 25 inside the cylinder two 24 will be scraped off the surface of the welding seam of the hydraulic cylinder due to the slope, the clockwise and counterclockwise rotation of the cylinder one 17 and the cylinder two 24 driven by the motor 21 realizes the welding of the welding seam of the hydraulic cylinder and the removal of the welding slag, greatly reducing the manual operation and improving the work efficiency.

[0043] When the embodiment works: in the automatic discharging device, the hydraulic cylinder just finished welding, at this time, the surface temperature of the cylinder body is relatively high, manual touching has the risk of scalding, in the fixing device, the straight rod 26 is driven to move by the fixed plate 13, the straight rod 26 touches the gear four 27 during the movement, the straight rod 26 drives the gear four 27 to rotate, the rotation of the gear four 27 drives the U-shaped rod 29 to move, realizing that when the fixing device is inwardly extruded, the U-shaped rod 29 moves outwardly, when the fixing device moves outwardly, the U-shaped rod 29 moves inwardly, after the hydraulic cylinder is welded and the welding slag is scraped off, at this time, the fixing device is stretched outwardly, the U-shaped rod 29 moves inwardly, after touching the hydraulic cylinder, the U-shaped rod 29 will apply a pushing force to the side surface of the hydraulic cylinder, the hydraulic cylinder falls from the side surface after being pushed by the U-shaped rod 29, rolls onto the buffer channel 30, the buffer channel 30 rotates and stretches the spring 31, the spring 31 generates a reaction force after deformation, the reaction force makes the buffer channel 30 have a buffering effect on the hydraulic cylinder, then the hydraulic cylinder rolls onto the base 1, completes the whole welding process, avoids the risk of manual touching and scalding, and improves the safety.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding device for the weld seam of a hydraulic cylinder body, comprising a base, a support plate one fixedly mounted on the base, an electric telescopic rod one throughly mounted on the side of the support plate one, and a support plate two fixedly mounted on the base, characterized in that: It also includes fixing devices, scraping devices, and automatic feeding devices; The fixing device further includes a top rod, which is fixedly installed at the output end of an electric telescopic rod. A disc is rotatably mounted on the side of the top rod. A cross plate is fixedly mounted on the support plate. A gear is rotatably mounted on the side of the cross plate. A rotating component is rotatably mounted on the side of the gear. An L-shaped rod is fixedly mounted on the circumference of the rotating component. A second rotating component is fixedly mounted on the end of the L-shaped rod away from the first rotating component. A slider is fixedly mounted on the side of the second rotating component. A fixing plate is fixedly mounted on the side of the slider. An electric telescopic rod is fixedly mounted on the side of the fixing plate. A groove is formed on the surface of the cross plate. A transmission rod is slidably mounted inside the groove. A rotating shaft is rotatably mounted on the side of the slider. A cylinder is rotatably mounted on the circumference of the rotating shaft. A fixing rod is fixedly mounted on the side of the support plate. A top plate is fixedly mounted on the side of the fixing rod. A disc is rotatably mounted on the side of the top plate. The scraping device also includes a motor, which is fixedly mounted on the side of the transmission rod. A gear two is fixedly mounted on the output end of the motor, and a gear three is fixedly mounted on the circumferential surface of the lower rotating shaft. A cylinder two is mounted on the circumferential surface of the lower rotating shaft. A groove is formed on the surface of the cylinder two, and a scraper is rotatably mounted inside the groove. The rotating shaft drives the cylinder two to rotate. Gear 2 meshes with gear 3, and gear 3 is fixedly connected to the side of cylinder 1; The end of the scraper away from the groove is set as an inclined surface, and a torsion spring is provided between the scraper and the inner wall of the groove; The automatic feeding device also includes a straight rod, which is fixedly installed on the side of the fixed plate. A gear is rotatably installed under the cross plate, and a long block is fixedly installed under the cross plate. A U-shaped rod slides through the side of the long block.

2. The hydraulic cylinder body weld welding device according to claim 1, characterized in that: The slider slides inside the groove, a through hole is provided on the surface of the gear, and two transmission rods are provided, which are symmetrically distributed vertically around the gear.

3. The hydraulic cylinder body weld welding device according to claim 2, characterized in that: The slider, rotating shaft and cylinder are provided in four parts, and are respectively arranged inside the groove of the cross plate with the electric telescopic rod as the center.

4. The hydraulic cylinder body weld welding device according to claim 3, characterized in that: The two sides of the support plate are rotatably mounted with buffer channels, and a spring is provided between the buffer channels and the support plate.

5. The hydraulic cylinder body weld welding device according to claim 4, characterized in that: The straight rod has a toothed groove on its side, and the toothed groove of the straight rod meshes with the gear. The U-shaped rod has a toothed groove on its side, and the toothed groove of the U-shaped rod meshes with the gear.

6. The hydraulic cylinder body weld welding device according to claim 5, characterized in that: Two springs are provided, and they are respectively located between support plate one and buffer channel and support plate two and buffer channel.

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