Welding equipment for rotary cylinder machining

Abstract

The welding equipment for rotary cylinder machining comprises a machining table, the top of the machining table is fixedly connected with a limiting base, the top of the limiting base is fixedly connected with a mechanical arm, and the movable end of the mechanical arm is fixedly connected with a welding assembly through a support; the positioning device is used for positioning and fixing the barrel to be machined; the number of the limiting bases is two, the two limiting bases are symmetrically distributed on the two sides of the top of the machining table, and the bottom of the positioning device is fixedly connected with the top of the machining table; wherein the positioning device comprises a positioning sleeve, an arc-shaped opening is formed in the outer side of the positioning sleeve, and the invention relates to the technical field of welding machining. According to the welding equipment for rotary cylinder machining, when a cylinder rotates, all-directional welding is conducted on the cylinder through the welding assembly, the two sets of cylinders can be kept concentric and rotate synchronously, and the welding precision is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of welding processing, in particular to a welding device for rotating cylinder processing. Background Art

[0002] Cylinder structures are widely used in many fields such as chemical industry, petroleum, and energy. For example, chemical containers, oil pipelines, boilers and other equipment all contain cylinders of various specifications and materials. These cylinders are often subjected to complex conditions such as high temperature, high pressure, and corrosion in the working environment, so the requirements for welding quality are extremely high. Welding, as an important connection process, is widely used in the manufacturing industry. From the early manual arc welding to today's various advanced automated welding technologies, welding processes have been continuously improved and innovated. In this process, the demand for welding of cylinder parts is also increasing. With the continuous improvement of the scale and automation of industrial production, the demand for automation of cylinder welding is becoming more and more urgent. Automated welding equipment can improve production efficiency, ensure the stability of welding quality, and reduce labor costs and labor intensity. For example, in the automobile manufacturing industry, a large number of cylinder parts need to be welded quickly and with high quality. Traditional welding methods can no longer meet production needs, which has promoted the research and development and application of rotary cylinder processing welding equipment.

[0003] When welding the cylinder, the existing device cannot keep the two groups of cylinders concentric and rotating synchronously when the cylinder rotates. The stability of the cylinder during the rotation process is poor and the welding accuracy is low. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides: a rotary cylinder processing welding device, comprising: A processing table, the top of which is fixedly connected to a limited position base, the top of which is fixedly connected to a mechanical arm, the movable end of which is fixedly connected to a welding assembly through a bracket, the cylinder is fixed inside a positioning sleeve, so that the welding parts of the two groups of cylinders required to be closely fitted together, the mechanical arm can be turned on to drive the welding assembly to move, and the ends of the two groups of cylinders can be welded by using the welding assembly. Since two groups of welding assemblies are provided and symmetrically distributed, the thermal deformation and stress generated by welding are offset by each other by using a symmetrical welding method, thereby improving welding efficiency; A positioning device, which is used to position and fix the cylinder to be processed; The position limiting base is provided with two groups, and the two groups of position limiting bases are symmetrically distributed on both sides of the top of the processing table, and the bottom of the positioning device is fixedly connected to the top of the processing table; Wherein, the positioning device comprises: A positioning sleeve, wherein an arc-shaped opening is provided on the outer side of the positioning sleeve, an arc-shaped groove is provided on the inner wall of the positioning sleeve near the arc-shaped opening, a gear ring is sleeved and fixedly connected to the outer side of the positioning sleeve, and the outer side of the positioning sleeve is rotatably connected to a limited position bracket through a bearing; A driving motor, wherein an output end of the driving motor is fixedly connected to a first gear, a side of the first gear away from the driving motor is fixedly connected to a rotating shaft, and an end of the rotating shaft away from the first gear is fixedly connected to a second gear; The clamping device is used to clamp and fix the cylinder in the positioning sleeve. The driving motor drives the first gear to rotate, and the first gear drives the second gear to rotate through the rotating shaft. When the first gear and the second gear rotate, they drive the corresponding meshing ring gears to rotate, and the ring gear drives the positioning sleeve to rotate. When the positioning sleeve rotates, it can drive the cylinder clamped by the clamping device inside it to rotate. When the cylinder rotates, the welding assembly is used to perform all-round welding on it, which can keep the two groups of cylinders concentric and rotate synchronously, effectively improving the accuracy of welding.

[0005] Preferably, the bottom of the limit bracket is fixedly connected to the top of the processing table, and two groups of positioning sleeves are provided. The two groups of positioning sleeves are symmetrically distributed, and the outer sides of the first gear and the second gear are both meshed with the ring gear. The side of the second gear away from the rotating axis is rotatably connected to the top of the processing table through a rotating bracket, and the clamping device passes through the arc opening and is fixedly connected to the arc opening.

[0006] Preferably, the arc-shaped openings and arc-shaped grooves are provided in two groups and correspond one to one, and the outer side of the driving motor is fixedly connected to the top of the processing table through a bracket.

[0007] Preferably, the positioning device further comprises an exhaust device, the bottom of which is fixedly connected to the top of the processing table, and two groups of the exhaust device are provided.

[0008] Preferably, the clamping device comprises an annular tube and a hydraulic pump, the inner side of the annular tube is rotatably connected to the annular sealing plate through a sealing bearing, one side of the annular sealing plate is penetrated by and fixedly connected with a sliding sleeve, the inner wall of the sliding sleeve is slidably connected with a piston with a rod, the end of the piston with a rod away from the sliding sleeve is fixedly connected with an arc-shaped clamping plate, both sides of the arc-shaped clamping plate are fixedly connected with tension springs, the outer side of the sliding sleeve is sleeved with and fixedly connected with a reinforcement plate, the outer side of the annular tube is connected with an extension tube, and the bottom of the extension tube is connected with an annular shaped hydraulic pipe, the hydraulic pump discharges the hydraulic oil into the annular hydraulic pipe, and then discharges it into the extension pipe and into the inside of the annular pipe through the annular hydraulic pipe. The hydraulic oil entering the annular pipe is then discharged into the sliding sleeve and squeezes the rod piston inside the sliding sleeve. The rod piston is squeezed to push the arc-shaped clamping plate to move, so that the two sets of arc-shaped clamping plates are gradually approached, so that the thinner cylinder can be clamped and fixed. At the same time, the tension spring between the two sets of arc-shaped clamping plates can wrap the outer wall of the cylinder, further fix the cylinder, and can clamp cylinders of different diameters to improve the adaptability.

[0009] Preferably, the sliding sleeve is provided with two groups, and the two groups of sliding sleeves are symmetrically distributed on the outside of the annular sealing plate, one end of the sliding sleeve extends to the inside of the annular tube and is connected with the inside of the annular tube, the piston with rod passes through the sliding sleeve, the outside of the reinforcement plate is fixedly connected to the inner wall of the arc-shaped opening, and both ends of the tensioning spring are fixedly connected to the side of the arc-shaped clamping plate.

[0010] Preferably, two groups of extension tubes are provided, and the two groups of extension tubes are symmetrically distributed on both sides of the annular tube. The outer side of the annular hydraulic tube is connected to the output end of the hydraulic pump through a connecting tube, the bottom of the hydraulic pump is fixedly connected to the top of the processing table, and the bottom of the annular hydraulic tube is fixedly connected to the top of the processing table.

[0011] Preferably, the exhaust device includes an air cooler, the air outlet end of the air cooler is connected to an air outlet pipe, the end of the air outlet pipe away from the air cooler is connected to an annular air duct, the outer side of the annular air duct is connected to an arc-shaped exhaust duct, the outer side of the arc-shaped exhaust duct is sleeved and fixedly connected with a support plate, the air cooler discharges the cooled gas into the air outlet duct, and discharges the air into the annular air duct through the air outlet pipe, and finally the cooled gas is discharged from the arc-shaped exhaust duct to the welding point of the two groups of cylinders, so as to cool the welding point after processing.

[0012] Preferably, the bottom of the support plate is fixedly connected to the outer side of the limiting bracket through a bracket, and multiple groups of arc-shaped exhaust ducts are provided, and the multiple groups of arc-shaped exhaust ducts are evenly distributed on the annular air duct, and the annular air duct is sleeved on the outer side of the positioning sleeve, and the outer side of the annular air duct is fixedly connected to the side of the annular tube.

[0013] The present invention provides a rotary cylinder processing welding device, which has the following beneficial effects: 1. This kind of welding equipment for rotating cylinder processing fixes the cylinder inside the positioning sleeve by installing the welding assembly, so that the welding parts of the two groups of cylinders are tightly fitted together, and the mechanical arm can be opened to drive the welding assembly to move, and the welding assembly can be used to weld the ends of the two groups of cylinders. Since two groups of welding assemblies are provided and symmetrically distributed, the symmetrical welding method is used to offset the thermal deformation and stress generated by welding, thereby improving the welding efficiency.

[0014] 2. This kind of welding equipment for rotating cylinder processing, through the installation of the positioning device, drives the motor to drive the first gear to rotate, the first gear drives the second gear to rotate through the rotating shaft, the first gear and the second gear drive the corresponding meshing ring gear to rotate when rotating, the ring gear drives the positioning sleeve to rotate, the positioning sleeve can drive the cylinder clamped by the clamping device inside it to rotate when rotating, and the welding assembly is used to perform all-round welding on the cylinder when it rotates, which can keep the two groups of cylinders concentric and rotate synchronously, effectively improving the accuracy of welding.

[0015] 3. This kind of welding equipment for rotating cylinder processing, through the installation of the clamping device, the hydraulic pump discharges the hydraulic oil into the annular hydraulic pipe, and then discharges it into the extension pipe and into the inside of the annular pipe through the annular hydraulic pipe. The hydraulic oil entering the annular pipe is then discharged into the sliding sleeve and squeezes the rod piston inside the sliding sleeve. The rod piston is squeezed to push the arc clamping plate to move, so that the two groups of arc clamping plates are gradually approached, and the thinner cylinder can be clamped and fixed. At the same time, the tension spring between the two groups of arc clamping plates can wrap the outer wall of the cylinder, further fix the cylinder, and can clamp cylinders of different diameters to improve the adaptability.

[0016] 4. This kind of rotary cylinder processing welding equipment, through the installation of the exhaust device, the air cooler discharges the cooled gas into the air outlet pipe, and exhausts the air to the inside of the annular air duct through the air outlet pipe. Finally, the cooled gas is discharged from the arc exhaust pipe to the welding point of the two groups of cylinders, so as to cool the welding point after the processing is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the welding equipment for rotary cylinder processing of the present invention; Figure 2 It is a structural schematic diagram of the processing table of the present invention; Figure 3 It is a structural schematic diagram of the rotating shaft of the present invention; Figure 4 It is a structural schematic diagram of the arc-shaped clamping plate of the present invention; Figure 5 It is a structural schematic diagram of the annular hydraulic pipe of the present invention; Figure 6 It is a schematic diagram of the internal structure of the positioning sleeve of the present invention; Figure 7 It is a schematic diagram of the structure of the arc exhaust duct of the present invention; Figure 8 It is a schematic structural diagram of the annular air duct of the present invention.

[0018] In the figure: 1. processing table; 2. limiting base; 3. mechanical arm; 4. welding assembly; 5. positioning device; 51. positioning sleeve; 52. arc-shaped mouth; 53. arc-shaped groove; 54. gear ring; 55. limiting bracket; 56. driving motor; 57. first gear; 58. clamping device; 581. annular tube; 582. hydraulic pump; 583. sliding sleeve; 584. piston with rod; 585. arc-shaped clamping plate; 586. tension spring; 587. reinforcement plate; 588. extension pipe; 589. annular hydraulic pipe; 580. annular sealing plate; 59. exhaust device; 591. air cooler; 592. air outlet pipe; 593. annular air duct; 594. arc-shaped exhaust duct; 595. support plate; 510. rotating shaft; 511. second gear. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0020] For the first embodiment, please refer to Figure 1-Figure 6 The present invention provides a technical solution: a welding device for rotary cylinder processing, comprising: A processing table 1, the top of the processing table 1 is fixedly connected to a limited base 2, the top of the limited base 2 is fixedly connected to a mechanical arm 3, and the movable end of the mechanical arm 3 is fixedly connected to a welding assembly 4 through a bracket; A positioning device 5, which is used to position and fix the cylinder to be processed; There are two groups of limit bases 2, which are symmetrically distributed on both sides of the top of the processing table 1, and the bottom of the positioning device 5 is fixedly connected to the top of the processing table 1; Wherein, the positioning device 5 comprises: A positioning sleeve 51, an arc-shaped opening 52 is formed on the outer side of the positioning sleeve 51, an arc-shaped groove 53 is formed on the inner wall of the positioning sleeve 51 near the arc-shaped opening 52, a gear ring 54 is sleeved and fixedly connected to the outer side of the positioning sleeve 51, and the outer side of the positioning sleeve 51 is rotatably connected to a limiting bracket 55 through a bearing; A driving motor 56, wherein the output end of the driving motor 56 is fixedly connected to a first gear 57, a side of the first gear 57 away from the driving motor 56 is fixedly connected to a rotating shaft 510, and an end of the rotating shaft 510 away from the first gear 57 is fixedly connected to a second gear 511; The clamping device 58 is used to clamp and fix the cylinder in the positioning sleeve 51.

[0021] The bottom of the limiting bracket 55 is fixedly connected to the top of the processing table 1, and two groups of positioning sleeves 51 are provided. The two groups of positioning sleeves 51 are symmetrically distributed. The outer sides of the first gear 57 and the second gear 511 are both engaged with the ring gear 54. The side of the second gear 511 away from the rotating axis 510 is rotatably connected to the top of the processing table 1 through a rotating bracket, and the clamping device 58 passes through the arc opening 52 and is fixedly connected to the arc opening 52.

[0022] There are two sets of arc-shaped openings 52 and arc-shaped grooves 53 in one-to-one correspondence, and the outer side of the driving motor 56 is fixedly connected to the top of the processing table 1 through a bracket.

[0023] The positioning device 5 further includes an exhaust device 59 , the bottom of which is fixedly connected to the top of the processing table 1 , and two groups of the exhaust device 59 are provided.

[0024] The clamping device 58 includes an annular tube 581 and a hydraulic pump 582. The inner side of the annular tube 581 is rotatably connected to the annular sealing plate 580 through a sealing bearing. A sliding sleeve 583 passes through and is fixedly connected to one side of the annular sealing plate 580. A rod piston 584 is slidably connected to the inner wall of the sliding sleeve 583. An arc-shaped clamping plate 585 is fixedly connected to one end of the rod piston 584 away from the sliding sleeve 583. Tensioning springs 586 are fixedly connected to both sides of the arc-shaped clamping plate 585. A reinforcing plate 587 is sleeved and fixedly connected to the outer side of the sliding sleeve 583. An extension tube 588 is connected to the outer side of the annular tube 581. The bottom of the extension tube 588 is connected to an annular hydraulic tube 589.

[0025] There are two groups of sliding sleeves 583, which are symmetrically distributed on the outside of the annular sealing plate 580. One end of the sliding sleeve 583 extends to the inside of the annular tube 581 and is connected to the inside of the annular tube 581. The rod piston 584 passes through the sliding sleeve 583. The outside of the reinforcement plate 587 is fixedly connected to the inner wall of the arc-shaped opening 52, and both ends of the tensioning spring 586 are fixedly connected to the side of the arc-shaped clamping plate 585.

[0026] Two groups of extension pipes 588 are provided, and the two groups of extension pipes 588 are symmetrically distributed on both sides of the annular pipe 581. The outer side of the annular hydraulic pipe 589 is connected to the output end of the hydraulic pump 582 through a connecting pipe. The bottom of the hydraulic pump 582 is fixedly connected to the top of the processing table 1, and the bottom of the annular hydraulic pipe 589 is fixedly connected to the top of the processing table 1.

[0027] When in use, the operator inserts the two groups of cylinders to be processed into the positioning sleeve 51 respectively, and then uses the clamping device 58 to fix the cylinders inside the positioning sleeve 51, so that the required welding parts of the two groups of cylinders are tightly fitted together, and then the mechanical arm 3 can be turned on to drive the welding assembly 4 to move, and the welding assembly 4 can be used to weld the ends of the two groups of cylinders. Since two groups of welding assemblies 4 are provided and symmetrically distributed, the symmetrical welding method is used to offset the thermal deformation and stress generated by welding, thereby improving the welding efficiency.

[0028] During the welding process, the driving motor 56 is turned on, and the driving motor 56 is used to drive the first gear 57 to rotate. The first gear 57 drives the second gear 511 to rotate through the rotating shaft 510. When the first gear 57 and the second gear 511 rotate, they drive the corresponding meshing ring gear 54 to rotate. The ring gear 54 drives the positioning sleeve 51 to rotate. When the positioning sleeve 51 rotates, it can drive the cylinder clamped by the clamping device 58 inside it to rotate. When the cylinder rotates, the welding assembly 4 is used to perform all-round welding on it, which can keep the two groups of cylinders concentric and rotate synchronously, effectively improving the accuracy of welding.

[0029] Turn on the hydraulic pump 582 to discharge the hydraulic oil into the annular hydraulic pipe 589, and then discharge it into the extension pipe 588 and into the annular pipe 581 through the annular hydraulic pipe 589. The hydraulic oil entering the annular pipe 581 is then discharged into the sliding sleeve 583 and squeezes the rod piston 584 inside the sliding sleeve 583. The rod piston 584 is squeezed to push the arc clamping plate 585 to move, so that the two sets of arc clamping plates 585 are gradually approached, so that the thinner cylinder can be clamped and fixed. At the same time, the tensioning spring 586 between the two sets of arc clamping plates 585 can wrap the outer wall of the cylinder to further fix the cylinder. It can clamp cylinders of different diameters and improve the adaptability.

[0030] For the second embodiment, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of the first embodiment, the exhaust device 59 includes a cold air fan 591, the air outlet end of the cold air fan 591 is connected to an air outlet pipe 592, the end of the air outlet pipe 592 away from the cold air fan 591 is connected to an annular air duct 593, the outer side of the annular air duct 593 is connected to an arc-shaped exhaust duct 594, and the outer side of the arc-shaped exhaust duct 594 is sleeved and fixedly connected with a support plate 595.

[0031] The bottom of the support plate 595 is fixedly connected to the outer side of the limiting bracket 55 through a bracket, and multiple groups of arc-shaped exhaust ducts 594 are arranged, and the multiple groups of arc-shaped exhaust ducts 594 are evenly distributed on the annular air duct 593. The annular air duct 593 is sleeved on the outer side of the positioning sleeve 51, and the outer side of the annular air duct 593 is fixedly connected to the side of the annular tube 581.

[0032] When in use, turn on the air cooler 591 to discharge the cooled gas into the air outlet pipe 592, and exhaust the gas to the inside of the annular air duct 593 through the air outlet pipe 592. Finally, the cooled gas is discharged from the arc exhaust pipe 594 to the welding point of the two groups of cylinders, so as to cool the welding point after processing.

[0033] Working principle: The operator inserts the two groups of cylinders to be processed into the positioning sleeve 51 respectively, and then uses the clamping device 58 to fix the cylinders inside the positioning sleeve 51, so that the required welding parts of the two groups of cylinders are tightly fitted together, and then the mechanical arm 3 can be turned on to drive the welding assembly 4 to move, and the welding assembly 4 can be used to weld the ends of the two groups of cylinders. During the welding process, the driving motor 56 is turned on, and the driving motor 56 is used to drive the first gear 57 to rotate. The first gear 57 drives the second gear 511 to rotate through the rotating shaft 510. When the first gear 57 and the second gear 511 rotate, they drive the corresponding meshing ring gear 54 to rotate, and the ring gear 54 drives the positioning sleeve 51 to rotate. When the positioning sleeve 51 rotates, it can drive the cylinder clamped by the clamping device 58 inside it to rotate. When the cylinder rotates, the welding assembly 4 is used to perform all-round welding on it, and the hydraulic pump 582 is turned on. The hydraulic oil is discharged into the annular hydraulic pipe 589, and then discharged into the extension pipe 588 through the annular hydraulic pipe 589 and into the annular pipe 581. The hydraulic oil entering the annular pipe 581 is then discharged into the sliding sleeve 583 and squeezes the rod piston 584 inside the sliding sleeve 583. The rod piston 584 is squeezed to push the arc clamping plate 585 to move, so that the two sets of arc clamping plates 585 are gradually approached, so that the thinner cylinder can be clamped and fixed. At the same time, the tension spring 586 between the two sets of arc clamping plates 585 can wrap the outer wall of the cylinder to further fix the cylinder. The cold air fan 591 is turned on to discharge the cooled gas into the outlet pipe 592, and the air is discharged to the inside of the annular pipe 593 through the outlet pipe 592. Finally, the cooled gas is discharged from the arc exhaust pipe 594 to the welding point of the two sets of cylinders, so that the welding point after processing can be cooled.

[0034] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A welding device for rotary cylinder processing, characterized in that: include: A processing table (1), wherein the top of the processing table (1) is fixedly connected to a limiting base (2), the top of the limiting base (2) is fixedly connected to a mechanical arm (3), and the movable end of the mechanical arm (3) is fixedly connected to a welding assembly (4) via a bracket; A positioning device (5), the positioning device (5) is used to position and fix the cylinder to be processed; The limiting bases (2) are provided in two groups, and the two groups of limiting bases (2) are symmetrically distributed on both sides of the top of the processing table (1), and the bottom of the positioning device (5) is fixedly connected to the top of the processing table (1); Wherein, the positioning device (5) comprises: A positioning sleeve (51), wherein an arc-shaped opening (52) is formed on the outer side of the positioning sleeve (51), an arc-shaped groove (53) is formed on the inner wall of the positioning sleeve (51) near the arc-shaped opening (52), a gear ring (54) is sleeved on and fixedly connected to the outer side of the positioning sleeve (51), and the outer side of the positioning sleeve (51) is rotatably connected to a limiting bracket (55) via a bearing; A driving motor (56), wherein an output end of the driving motor (56) is fixedly connected to a first gear (57), a side of the first gear (57) away from the driving motor (56) is fixedly connected to a rotating shaft (510), and an end of the rotating shaft (510) away from the first gear (57) is fixedly connected to a second gear (511); A clamping device (58) is used to clamp and fix the cylinder in the positioning sleeve (51).

2. The rotary cylinder processing welding equipment according to claim 1 is characterized in that: The bottom of the limiting bracket (55) is fixedly connected to the top of the processing table (1), and two groups of positioning sleeves (51) are provided. The two groups of positioning sleeves (51) are symmetrically distributed. The outer sides of the first gear (57) and the second gear (511) are both meshed with the gear ring (54), and the side of the second gear (511) away from the rotating shaft (510) is rotatably connected to the top of the processing table (1) through the rotating bracket, and the clamping device (58) passes through the arc-shaped opening (52) and is fixedly connected to the arc-shaped opening (52).

3. The rotary cylinder processing welding equipment according to claim 1 is characterized in that: The arc-shaped openings (52) and arc-shaped grooves (53) are each provided with two groups and correspond one to one, and the outer side of the driving motor (56) is fixedly connected to the top of the processing table (1) via a bracket.

4. The rotary cylinder processing welding equipment according to claim 1 is characterized in that: The positioning device (5) further comprises an exhaust device (59), the bottom of the exhaust device (59) being fixedly connected to the top of the processing table (1), and the exhaust device (59) is provided in two groups.

5. The rotary cylinder processing welding equipment according to claim 4 is characterized in that: The clamping device (58) comprises an annular tube (581) and a hydraulic pump (582). The inner side of the annular tube (581) is rotatably connected to an annular sealing plate (580) via a sealing bearing. A sliding sleeve (583) passes through and is fixedly connected to one side of the annular sealing plate (580). A piston with a rod (584) is slidably connected to the inner wall of the sliding sleeve (583). An end of the piston with a rod (584) away from the sliding sleeve (583) is fixedly connected to an arc-shaped clamping plate (585). Both sides of the arc-shaped clamping plate (585) are fixedly connected to tension springs (586). A reinforcing plate (587) is sleeved on and fixedly connected to the outer side of the sliding sleeve (583). An extension tube (588) is connected to the outer side of the annular tube (581). The bottom of the extension tube (588) is connected to an annular hydraulic tube (589).

6. The rotary cylinder processing welding equipment according to claim 5, characterized in that: The sliding sleeve (583) is provided in two groups, and the two groups of sliding sleeves (583) are symmetrically distributed on the outer side of the annular sealing plate (580). One end of the sliding sleeve (583) extends to the interior of the annular tube (581) and is connected to the interior of the annular tube (581). The piston with rod (584) passes through the sliding sleeve (583). The outer side of the reinforcing plate (587) is fixedly connected to the inner wall of the arc-shaped opening (52), and both ends of the tensioning spring (586) are fixedly connected to the side of the arc-shaped clamping plate (585).

7. The rotary cylinder processing welding equipment according to claim 5, characterized in that: Two groups of extension tubes (588) are provided, and the two groups of extension tubes (588) are symmetrically distributed on both sides of the annular tube (581). The outer side of the annular hydraulic tube (589) is connected to the output end of the hydraulic pump (582) through a connecting tube. The bottom of the hydraulic pump (582) is fixedly connected to the top of the processing table (1), and the bottom of the annular hydraulic tube (589) is fixedly connected to the top of the processing table (1).

8. The rotary cylinder processing welding equipment according to claim 5, characterized in that: The exhaust device (59) comprises an air cooler (591); an air outlet end of the air cooler (591) is connected to an air outlet pipe (592); an end of the air outlet pipe (592) away from the air cooler (591) is connected to an annular air duct (593); the outer side of the annular air duct (593) is connected to an arc-shaped exhaust pipe (594); and a support plate (595) is sleeved on and fixedly connected to the outer side of the arc-shaped exhaust pipe (594).

9. The rotary cylinder processing welding equipment according to claim 8, characterized in that: The bottom of the support plate (595) is fixedly connected to the outer side of the limiting bracket (55) via a bracket, and a plurality of groups of the arc-shaped exhaust ducts (594) are provided. The plurality of groups of the arc-shaped exhaust ducts (594) are evenly distributed on the annular air duct (593). The annular air duct (593) is sleeved on the outer side of the positioning sleeve (51), and the outer side of the annular air duct (593) is fixedly connected to the side of the annular tube (581).

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