Automatic welding device for rigging accessories

Abstract

The present invention discloses an automatic welding device for rigging accessories, which relates to the technical field of welding equipment, and includes a frame, a welding robot arm, a turntable, and a fixed seat, wherein the fixed seat is rotatably connected to a rotating seat on one side facing the axis of the turntable; a bracket connected to the end face of the rotating seat, the bracket includes a mounting plate and support plates fixed to both ends of the mounting plate; a clamping assembly mounted on the mounting plate of the bracket, and each of the two support plates is provided with a through-shaft assembly; and a positioning and preheating assembly arranged on the frame. In the present invention, the positioning and preheating assembly is used to position and preheat the buckle ring, the connecting part and the annular part, so that the welding stress can be reduced during welding. In addition, the through-shaft assembly is used to position the connecting part and the annular part, so that the pin shaft perforations on the connecting part and the annular part are in a coaxial state. In this way, during the welding process, the pin shaft perforations on the connecting part and the annular part remain in a coaxial state, which is convenient for the subsequent assembly of the pin shaft.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, in particular to an automatic welding device for rigging accessories. Background Art

[0002] Rigging refers to the equipment used with ropes and cables, such as hooks, tensioners, cable clamps, ferrules, shackles, etc., collectively known as rigging. Some people also classify ropes and cables as rigging. Rigging is mainly divided into two categories: metal rigging and synthetic fiber rigging. It is a general term for masts, spars (mast crossbars), sail spars (sail foot poles), gaffs and all ropes, chains and tools used to operate them.

[0003] like Fig.13 As shown, the rigging in the prior art includes a hook 104, a buckle 100, and an anti-drop pin. The outer contour of the buckle 100 is U-shaped, and the ends of the straight sections on both sides need to be welded with a circular ring portion 101 and a connecting portion 102 respectively. Pin holes are provided on the surfaces of the circular ring portion 101 and the connecting portion 102. The hook 104 is installed on the circular ring portion 101 and the connecting portion 102 through the pin 103, so that the hook 104 can rotate around the pin 103.

[0004] At present, when the annular portion 101 and the connecting portion 102 are welded to the end of the buckle 100, whether it is manual welding or welding by a robot, the buckle 100 is usually clamped, and then the connecting portion 102 and the annular portion 101 are respectively welded to the ends of the straight sections on both sides of the buckle 100. Due to the effect of welding stress and the inconsistent lengths of the straight sections on both sides of the buckle 100, when the annular portion 101 and the connecting portion 102 are welded, it is easy for the welding stress to cause the pin holes on the annular portion 101 and the connecting portion 102 to be out of alignment after welding, which makes it difficult to assemble the pin 103. Summary of the invention

[0005] The object of the present invention is to provide an automatic welding device for rigging accessories to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An automatic welding device for rigging accessories comprises a frame and a welding mechanical arm installed outside the frame, a turntable is installed on the top of the frame, and further comprises:

[0008] A fixed seat connected to the top surface of the turntable in an array along the axial direction of the turntable, wherein the fixed seat is rotatably connected to a rotating seat on one side of the turntable axis;

[0009] A bracket connected to the end surface of the rotating seat, the bracket comprising a mounting plate and support plates fixed to both ends of the mounting plate;

[0010] A clamping assembly mounted on the mounting plate of the bracket, wherein each of the two support plates is provided with a through-shaft assembly;

[0011] A positioning preheating component is arranged on the frame.

[0012] Through the above technical scheme, the retaining ring, the connecting part and the annular part are positioned and preheated by the positioning and preheating assembly, so that the welding stress can be reduced during welding. In addition, the connecting part and the annular part are positioned by the through-axis assembly, so that the pin holes on the connecting part and the annular part are coaxial. In this way, during the welding process, the pin holes on the connecting part and the annular part remain coaxial, which is convenient for the subsequent assembly of the pins. In addition, the turntable rotates intermittently, so that the clamped retaining ring, the connecting part and the annular part can be transported to the bottom of the welding robot arm for welding, which increases the production cycle and thus improves the welding work efficiency.

[0013] Furthermore, the positioning and preheating assembly includes a first cylinder vertically installed on one side of the frame, a positioning seat is fixedly connected to the end of the cylinder rod of the first cylinder, and a second cylinder is vertically installed on the other side of the frame, and a preheating seat is fixedly connected to the end of the cylinder rod of the second cylinder. The end surface of the turntable is provided with a plurality of avoidance grooves for free passage of the positioning seat and the preheating seat, and the upward sides of the positioning seat and the preheating seat are provided with two buckle grooves, a circular ring groove and a connecting part groove, the circular ring groove and the connecting part groove are respectively connected with the two buckle grooves, a connecting cavity is provided inside the preheating seat, and two pipe joints are provided on the bottom surface of the preheating seat, and the pipe joints are connected with the connecting cavity.

[0014] Through the above technical scheme, the cylinder rod of the first cylinder is extended to drive the positioning seat to move upward, and then the retaining ring, the connecting part and the circular ring part are correspondingly placed in the retaining ring groove, the connecting part groove and the circular ring part groove for positioning. After positioning, the turntable is rotated to rotate the positioned retaining ring, the connecting part and the circular ring part and transport them to the top of the preheating seat, and then the second cylinder is used to drive the preheating seat to move upward, so that the retaining ring, the connecting part and the circular ring part can be engaged with the retaining ring groove, the connecting part groove and the circular ring part groove on the preheating seat, and then the external heat transfer oil conveying equipment conveys the high-temperature heat transfer oil to the connecting cavity of the preheating seat, and then the retaining ring, the connecting part and the circular ring part are preheated, which helps to reduce the welding stress phenomenon caused by rapid temperature changes during welding.

[0015] Furthermore, the clamping assembly includes a clamping cylinder installed on the mounting plate of the bracket, two clamping jaws of the clamping cylinder are fixedly connected to a clamping block, and arc grooves matching with the buckle grooves are respectively formed at both ends of the clamping block.

[0016] Through the above technical solution, when the clamping claw cylinder drives the two clamping blocks to move closer to each other, the arc grooves on the two clamping blocks can engage with the straight sections on both sides of the buckle, and clamp the straight sections on both sides of the buckle at the same time.

[0017] Furthermore, the opposing surfaces of the two clamping jaws of the clamping jaw cylinder are respectively fixedly connected with a push block, and the opposing ends of the two push blocks are provided with a sliding surface on one side facing the clamping block.

[0018] Through the above technical scheme, when the clamping cylinder drives the two clamping blocks to move toward each other, the two push blocks also move toward each other synchronously, so that the sliding surfaces on the two push blocks contact the outer wall of the arc section of the retaining ring, and as the two push blocks approach each other, the sliding surfaces generate horizontal thrust on the outer wall of the arc section of the retaining ring, thereby enabling the retaining ring to move away from the clamping cylinder, so that the ends of the straight sections on both sides of the retaining ring are respectively pressed against the surfaces of the connecting part and the circular ring part, thereby avoiding the phenomenon that the retaining ring is not pressed against the circular ring part and the connecting part when the retaining ring is manually placed in the positioning seat.

[0019] Furthermore, a reduction motor is installed on the fixed seat, and the motor shaft of the reduction motor is coaxially fixed to the end surface of the rotating seat.

[0020] Through the above technical solution, the motor shaft of the reduction motor rotates and drives the rotating seat to rotate, so that when the welding robot arm welds the end of the buckle ring, the position of the straight sections on both sides of the buckle ring can be adjusted, so that the welding robot arm can avoid the two support plates of the bracket when welding.

[0021] Furthermore, the end face of the rotating seat is symmetrically installed with two slide rails along its axial direction, and a slider is slidably installed on the slide rail. The outer walls of the two sliders are commonly connected to an adjustment seat, and the mounting plate of the bracket is connected to the adjustment seat. The end face of the rotating seat is provided with an adjustment component, and the adjustment component is used to drive the adjustment seat to move linearly on the end face of the rotating seat, thereby making the two buckle grooves alternately coaxial with the rotating seat.

[0022] Through the above technical scheme, by making the two buckle ring slots alternately coaxial with the rotating seat, and then making the straight sections on both sides of the buckle ring alternately coaxial with the rotating seat, when welding, the rotating seat rotates, so that the welding robot arm can perform circumferential welding on the straight sections on both sides of the buckle ring, and the action execution program of the welding robot arm can be greatly reduced, or the programming amount of the welding robot arm is reduced.

[0023] Furthermore, the adjustment assembly includes an ear block fixedly connected to a side of the adjustment seat facing the rotating seat, an adjustment cylinder is installed on the end surface of the rotating seat, and an end of a cylinder rod of the adjustment cylinder is connected to the ear block.

[0024] Through the above technical solution, the cylinder rod of the adjusting cylinder is extended and retracted, thereby driving the adjusting seat to move linearly on the end surface of the rotating seat, so that the buckle ring grooves are alternately coaxial with the rotating seat.

[0025] Furthermore, the shaft-penetrating assembly comprises a translation cylinder mounted on the outer walls of the two support plates of the bracket, and a positioning shaft is mounted on the end of the cylinder rod of the translation cylinder.

[0026] Through the above technical solution, the cylinder rod of the translation cylinder is extended, thereby driving the positioning shaft to move toward the positioning seat, so that the positioning shaft can penetrate into the pin holes of the connecting part and the annular part, thereby making the pin holes on the annular part and the connecting part remain coaxial before and after welding.

[0027] Furthermore, the positioning shaft is coaxially connected to the cylinder rod end face of the translation cylinder, and a plurality of scraping teeth are provided on the periphery of the positioning shaft. A rotating assembly is provided on the outer wall of the support plate of the bracket, and the rotating assembly is used to drive the positioning shaft to rotate around its own axis when the positioning shaft moves linearly.

[0028] Through the above technical scheme, when the positioning shaft is passing through the pin hole, the rotating component drives the positioning shaft to rotate. On the one hand, the scraping teeth can remove the debris and burrs on the annular part and the pin hole wall of the connecting part. On the other hand, the scraping teeth and the pin hole wall have a large friction resistance, so that when the positioning shaft rotates, the scraping teeth produce a large scraping force on the pin hole wall, so that the connecting part can rotate around the axis of the positioning shaft, and the connecting part can be completely engaged in the connecting part slot, so that the connecting part and the buckle connecting surface are facing the straight sections on both sides of the buckle, and after facing the straight sections on both sides of the buckle, it is blocked by the inner wall of the connecting part slot, and the connecting part will not continue to rotate, so that the connecting part can be accurately engaged in the connecting part slot.

[0029] Furthermore, the rotating component includes a flange sleeve that is passed through the support plate of the bracket, the positioning shaft freely passes through the inner hole of the flange sleeve, two balls are rotatably embedded in the periphery of the positioning shaft, and the inner hole wall of the flange sleeve is provided with a spiral rolling groove for the balls to engage with accordingly, and the balls roll freely in the spiral rolling groove.

[0030] Through the above technical solution, when the positioning shaft moves toward the positioning seat, the balls on the positioning shaft will roll in the spiral rolling groove of the flange sleeve, thereby enabling the positioning shaft to rotate.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. In the present invention, the positioning and preheating components are used to position and preheat the buckle ring, the connecting part and the annular part, so that the welding stress can be reduced during welding. In addition, the connecting part and the annular part are positioned by the through-shaft component, so that the pin holes on the connecting part and the annular part are coaxial. In this way, during the welding process, the pin holes on the connecting part and the annular part remain coaxial, which is convenient for the subsequent assembly of the pins. In addition, the turntable is intermittently rotated, so that the clamped buckle ring, the connecting part and the annular part can be transported to the bottom of the welding robot arm for welding, which increases the production cycle and thus improves the welding work efficiency;

[0033] 2. In the present invention, the cylinder rod of the first cylinder is extended to drive the positioning seat to move upward, and then the buckle ring, the connecting part, and the annular part are placed in the buckle ring slot, the connecting part slot, and the annular part slot respectively for positioning. After positioning, the turntable is rotated to rotate the positioned buckle ring, the connecting part, and the annular part and transport them to the top of the preheating seat, and then the second cylinder is used to drive the preheating seat to move upward, so that the buckle ring, the connecting part, and the annular part can be engaged with the buckle ring slot, the connecting part slot, and the annular part slot on the preheating seat, and then the external heat transfer oil transporting equipment transports the high-temperature heat transfer oil to the connecting cavity of the preheating seat, so as to preheat the buckle ring, the connecting part, and the annular part, which is helpful to reduce the welding stress phenomenon caused by the rapid temperature change during welding;

[0034] 3. In the present invention, when the positioning shaft is inserted into the pin hole, the rotating component drives the positioning shaft to rotate. On the one hand, the scraping teeth can remove the debris and burrs on the annular part and the pin hole wall of the connecting part. On the other hand, the scraping teeth and the pin hole wall have a large friction resistance, so that when the positioning shaft rotates, the scraping teeth produce a large scraping force on the pin hole wall, so that the connecting part can rotate around the axis of the positioning shaft, and the connecting part can be completely engaged in the connecting part slot, so that the connecting part and the buckle ring connecting surface are directly opposite to the straight sections on both sides of the buckle ring, and after facing the straight sections on both sides of the buckle ring, it is blocked by the inner wall of the connecting part slot, and the connecting part will not continue to rotate, so that the connecting part can be accurately engaged in the connecting part slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure of an automatic welding device for rigging accessories in the present invention;

[0036] Figure 2 for Figure 1 Schematic diagram of the positional relationship of the first perspective;

[0037] Figure 3 for Figure 1 Schematic diagram of the positional relationship of the second perspective;

[0038] Figure 4It is a schematic diagram of the positional relationship of the fixed seat, the rotating seat and the bracket after being assembled in the present invention;

[0039] Figure 5 for Figure 4 Schematic diagram of the explosion decomposition of the structure in the middle;

[0040] Figure 6 for Figure 4 A schematic diagram of the positional relationship from another perspective;

[0041] Figure 7 It is a structural schematic diagram of the positioning seat in the present invention;

[0042] Figure 8 It is a structural schematic diagram of the preheating seat in the present invention;

[0043] Fig. 9 for Figure 8 Schematic diagram of the positional relationship after the middle structure is cut open;

[0044] Fig.10 It is a schematic diagram of the positional relationship of the clamping cylinder, the clamping block and the pushing block after assembly in the present invention;

[0045] Fig.11 It is a structural schematic diagram of the flange sleeve in the present invention;

[0046] Fig.12 It is a structural schematic diagram of the positioning shaft in the present invention;

[0047] Fig.13 It is a structural schematic diagram of rigging in the prior art.

[0048] In the figure, the description of each figure mark is as follows: 1. welding robot arm; 2. frame; 3. turntable; 4. translation cylinder; 5. reduction motor; 6. fixed seat; 7. avoidance groove; 8. first cylinder; 9. second cylinder; 10. rotating seat; 11. bracket; 12. clamping claw cylinder; 13. clamping block; 14. flange sleeve; 15. positioning shaft; 16. adjustment seat; 17. adjustment cylinder; 18. positioning seat; 19. preheating seat; 20. buckle ring slot; 21. annular portion slot; 22. connecting portion slot; 23. pipe joint; 24. connecting cavity; 25. push block; 26. scraping teeth; 27. ball; 28. spiral rolling groove; 100. buckle; 101. annular portion; 102. connecting portion; 103. pin shaft; 104. hook. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] like Fig.13 As shown, the rigging accessories in the prior art include a hook 104, a buckle 100, an anti-drop pin, a connecting portion 102, a circular ring portion 101 and a pin 103;

[0051] See also Figure 1 - Fig.12 The present invention provides a technical solution: an automatic welding device for rigging accessories, comprising a frame 2 and a welding robot arm 1 installed on the outside of the frame 2. The welding robot arm 1 is a mature device in the prior art, and its working principle is not described here. A turntable 3 is installed on the top of the frame 2, and the turntable 3 is rotatably connected to the frame 2, and a rotating device is installed on the frame 2. The rotating device is used to drive the turntable 3 to rotate intermittently, and the angle of each rotation is fixed. The top surface of the turntable 3 is connected to four fixing seats 6 by screws, and the four fixing seats 6 are arranged in an axial array along the turntable 3. Each time the turntable 3 rotates, the four fixing seats 6 will be rotated to the bottom of the welding robot arm 1 in turn;

[0052] A reduction motor 5 is installed on the side of the fixed seat 6 facing away from the inner side of the axis of the turntable 3. The motor shaft of the reduction motor 5 passes through the fixed seat 6. A bearing is embedded on the side of the fixed seat 6 facing the inner side of the axis of the turntable 3. The motor shaft of the reduction motor 5 passes through the inner ring of the bearing. In addition, one end of the motor shaft of the reduction motor 5 passing through the fixed seat 6 is fixedly connected to a rotating seat 10. Two slide rails are installed on the side of the rotating seat 10 facing the inner side of the axis of the turntable 3. The two slide rails are symmetrically arranged with respect to the axial direction of the rotating seat 10, and a sliding mounting is engaged on the slide rail. A slider is installed, and the outer walls of the sliders on the two slide rails are connected with an adjustment seat 16 by screws. The adjustment seat 16 can move linearly on the rotating seat 10. In addition, an ear block is welded on the side of the adjustment seat 16 facing the rotating seat 10, and a cylinder mounting block is welded on the end face of the rotating seat 10. An adjusting cylinder 17 is installed on the cylinder mounting block. The end of the cylinder rod of the adjusting cylinder 17 is welded to the ear block, so that when the cylinder rod of the adjusting cylinder 17 is extended or retracted, the ear block and the adjusting seat 16 can be driven to move linearly on the rotating seat 10;

[0053] A first cylinder 8 is vertically mounted on one side (discharging position) of the frame 2, and a positioning seat 18 is fixedly connected to the end of the cylinder rod of the first cylinder 8. A second cylinder 9 is vertically mounted on the other side of the frame 2, and a preheating seat 19 is fixedly connected to the end of the cylinder rod of the second cylinder 9. A plurality of escape grooves 7 for the positioning seat 18 and the preheating seat 19 to pass freely are provided on the end surface of the turntable 3. Two buckle grooves 20, a circular groove 21 and a connecting groove 22 (combined with the positioning seat 18 and the preheating seat 19) are provided on the upward side of the positioning seat 18 and the preheating seat 19. Figure 7 and Figure 8 ), the annular portion slot 21 and the connecting portion slot 22 are respectively connected with the two buckle ring slots 20, the two buckle ring slots 20 match the straight sections on both sides of the buckle 100, the connecting portion slot 22 matches the connecting portion 102, and the annular portion slot 21 matches the annular portion 101, a connecting cavity 24 is provided inside the preheating seat 19, and two pipe joints 23 are provided on the bottom surface of the preheating seat 19, the pipe joints 23 are connected with the connecting cavity 24, and the two pipe joints 23 are respectively connected with the external heat transfer oil conveying equipment through pipelines, and the heat transfer oil conveying equipment conveys the heat transfer oil with a temperature of about 300°C to the connecting cavity 24, and then the preheating seat 19 is heated by the heat transfer oil, and the surfaces of the positioning seat 18 and the preheating seat 19 are provided with avoidance grooves for the positioning shaft 15 to pass freely;

[0054] A bracket 11 is connected to the side surface of the adjustment seat 16 facing away from the rotating seat 10. The bracket 11 is composed of a mounting plate and two support plates. The two support plates are vertically fixed to the two ends of the mounting plate in the length direction. The mounting plate is connected to the adjustment seat 16, and the center line of the mounting plate coincides with the center line of the adjustment seat 16. A clamping cylinder 12 is installed on the mounting plate. A clamping block 13 is fixed to the two clamping jaws of the clamping jaw cylinder 12. An arc groove matching the buckle groove 20 is respectively provided at both ends of the clamping block 13. When the clamping jaw cylinder 12 drives the two clamping blocks 13 to move closer to each other, the arc grooves on the two clamping blocks 13 can be engaged with the straight sections on both sides of the buckle 100, and the straight sections on both sides of the buckle 100 are clamped at the same time. In addition, the opposite surfaces of the two clamping jaws of the clamping jaw cylinder 12 are respectively fixed with push blocks 25 (such as Fig.10As shown in the figure, the two push blocks 25 are provided with a sliding surface (the sliding surface is in the form of an inclined surface) on the opposite end facing the clamping block 13. When the clamping jaw cylinder 12 drives the two clamping blocks 13 to move toward each other, the two push blocks 25 also move toward each other synchronously, so that the sliding surfaces on the two push blocks 25 contact the outer wall of the arc segment of the buckle 100, and as the two push blocks 25 approach each other, the sliding surfaces generate a horizontal thrust on the outer wall of the arc segment of the buckle 100, thereby enabling the buckle 100 to move toward The adjusting cylinder 17 moves in the direction away from the clamping claw cylinder 12, so that the ends of the straight sections on both sides of the buckle ring 100 are respectively pressed against the surfaces of the connecting portion 102 and the annular portion 101, thereby avoiding the phenomenon that the buckle ring 100 is not pressed against the annular portion 101 and the connecting portion 102 when the buckle ring 100 is manually placed in the positioning seat 18. In addition, when the adjusting cylinder 17 drives the adjusting seat 16 to move linearly on the end surface of the rotating seat 10, the two buckle ring grooves 20 can be alternately coaxial with the rotating seat 10;

[0055] The outer walls of the two support plates of the bracket 11 are each installed with a translation cylinder 4, and the cylinder rod end of the translation cylinder 4 is coaxially connected to a positioning shaft 15, and the periphery of the positioning shaft 15 is provided with a plurality of scraping teeth 26 (such as Fig.12 As shown in the figure, a flange sleeve 14 is vertically penetrated on the support plate of the bracket 11, and the positioning shaft 15 freely passes through the inner hole of the flange sleeve 14. Two balls 27 are rotatably embedded on the periphery of the positioning shaft 15. A spiral rolling groove 28 for the corresponding engagement of the balls 27 is opened on the inner hole wall of the flange sleeve 14. The balls 27 roll freely in the spiral rolling groove 28. When the cylinder rod of the translation cylinder 4 drives the positioning shaft 15 to move toward the positioning seat 18, the balls 27 roll synchronously in the spiral rolling groove 28, thereby causing the positioning shaft 15 to rotate. When the positioning shaft 15 rotates, the scraping teeth 26 will scrape the hole wall of the pin shaft. On the one hand, the scraping teeth 26 can scrape the annular portion 101 and the connecting portion 102. On the other hand, the scraper teeth 26 and the pin shaft through-hole wall have a large friction resistance, so that when the positioning shaft 15 rotates, the scraper teeth 26 produce a large scraping force on the pin shaft through-hole wall, so that the connecting part 102 can rotate around the axis of the positioning shaft 15, and the connecting part 102 can be completely engaged in the connecting part slot 22, so that the welding surface of the connecting part 102 and the buckle 100 is opposite to the ends of the straight sections on both sides of the buckle 100, and after facing the straight sections on both sides of the buckle 100, it is blocked by the inner wall of the connecting part slot 22, and the connecting part 102 will not continue to rotate, so that the connecting part 102 can be accurately engaged in the connecting part slot 22.

[0056] Working principle of the present invention:

[0057] Clamping rigging: Reference Figure 1, the left side of the turntable 3 is the discharge position, the first cylinder 8 is started, the cylinder rod of the first cylinder 8 is extended, and then the positioning seat 18 is driven to move upward and pass through the avoidance groove 7 of the turntable 3. After the positioning seat 18 moves upward to the right position, the worker places the buckle 100 in the buckle groove 20 of the positioning seat 18, and then places the connecting part 102 in the connecting part groove 22 in turn, and the welding surface of the connecting part 102 and the buckle 100 faces the buckle 100, and then the annular part 101 is placed in the annular part groove 21, and then the two translation cylinders 4 corresponding to the discharge position are started, and the cylinder rod of the translation cylinder 4 is extended, thereby driving The movable positioning shaft 15 moves toward the positioning seat 18, and the ball 27 rolls synchronously in the spiral rolling groove 28, thereby causing the positioning shaft 15 to rotate. When the positioning shaft 15 rotates, the scraping teeth 26 scrape the hole wall of the pin shaft through hole. On the one hand, the scraping teeth 26 can remove the debris and burrs on the pin shaft through hole wall of the annular portion 101 and the connecting portion 102. On the other hand, the scraping teeth 26 and the pin shaft through hole wall have a large friction resistance, so that when the positioning shaft 15 rotates, the scraping teeth 26 generate a large scraping force on the pin shaft through hole wall, thereby allowing the connecting portion 102 to rotate around the axis of the positioning shaft 15. The connecting part 102 can be completely engaged in the connecting part slot 22, so that the welding surface of the connecting part 102 and the buckle 100 is directly opposite to the ends of the straight sections on both sides of the buckle 100, and after facing the straight sections on both sides of the buckle 100, it is blocked by the inner wall of the connecting part slot 22, and the connecting part 102 will not continue to rotate, so that the connecting part 102 can be accurately engaged in the connecting part slot 22, and then the clamping claw cylinder 12 is started, and the two clamping claws of the clamping claw cylinder 12 move closer to each other, so that the two clamping blocks 13 move closer to each other, and at the same time, the two pushing blocks 25 also move closer to each other synchronously. The sliding surfaces on the two push blocks 25 contact the outer wall of the arc section of the buckle ring 100, and as the two push blocks 25 approach each other, the sliding surfaces generate a horizontal thrust on the outer wall of the arc section of the buckle ring 100, so that the buckle ring 100 can move in a direction away from the clamping claw cylinder 12, so that the ends of the straight sections on both sides of the buckle ring 100 are respectively pressed against the surfaces of the connecting part 102 and the circular ring part 101, thereby completing the clamping and positioning of the rigging accessories: the buckle ring 100, the connecting part 102 and the circular ring part 101, and finally the cylinder rod of the first cylinder 8 is shortened, and drives the positioning seat 18 to move downward and reset;

[0058] Preheating: The turntable 3 starts and rotates a quarter of a turn, so that the clamped rigging accessories rotate to the top of the preheating seat 19, and then the second cylinder 9 starts, the cylinder rod of the second cylinder 9 extends and drives the preheating seat 19 to move upward, so that the buckle groove 20, the annular groove 21 and the connecting groove 22 of the preheating seat 19 are respectively engaged with the buckle 100, the annular part 101 and the connecting part 102, and the external heat transfer oil delivery equipment delivers the high-temperature heat transfer oil to the connecting cavity 24 of the preheating seat 19 through the pipe joint 23, so as to preheat the buckle 100, the connecting part 102 and the annular part 101, and the cylinder rod of the second cylinder 9 shortens and drives the preheating seat 19 to move downward and reset;

[0059] Welding: The turntable 3 is started and rotated a quarter of a turn, so that the preheated rigging accessories are rotated to the bottom of the welding robot arm 1, and then the cylinder rod of the cylinder 17 is adjusted to extend or shorten, thereby driving the adjustment seat 16 to move linearly on the end surface of the rotating seat 10, so that one of the two straight sections of the buckle 100 moves and is coaxial with the rotating seat 10. The welding robot arm 1 is controlled by an external controller to weld the buckle 100 coaxial with the rotating seat 10, so that the buckle 100 is welded to the connecting part 102 or the annular part 101. During welding, the rotating seat 10 is driven to rotate by the reduction motor 5, so that the straight section of the buckle 100 coaxial with the rotating seat 10 rotates, and the welding robot arm 1 can weld the straight section along an arc trajectory. When the welding robot arm 1 approaches the support plate of the bracket 11, the welding robot arm 1 stops working and moves upward. After the bracket 11 is away from the welding robot arm 1, the reduction motor 5 stops rotating, thereby causing the rotating seat 10 to stop rotating, and then the welding robot arm 1 moves to make the welding robot arm 1 contact the previous welding position, and then the reduction motor 5 continues to rotate and drives the rotating seat 10 to continue to rotate, so that the welding robot arm 1 continues to weld along the end of the previous welding position and the straight segment, so that the welding area on the straight segment is annular, and welding is performed by rotating the rotating seat 10, thereby reducing the programming amount of the welding robot arm 1, and because the straight segment of the retaining ring 100 can be coaxial with the rotating seat 10 after moving, the welding trajectory of the straight segment presents a relatively complete arc. After a straight segment of the retaining ring 100 is welded, the cylinder rod of the adjusting cylinder 17 is shortened or extended, thereby driving the adjusting seat 16 to move in the opposite direction, so that the other straight segment of the retaining ring 100 is coaxial with the rotating seat 10, and then the welding robot arm 1 can weld another straight segment.

[0060] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic welding device for rigging accessories, comprising a frame (2) and a welding robot arm (1) installed outside the frame (2), a turntable (3) installed on the top of the frame (2), characterized in that: Also includes: A fixed seat (6) connected to the top surface of the turntable (3) in an array along the axial direction of the turntable (3), wherein the fixed seat (6) is rotatably connected to a rotating seat (10) on one side of the turntable (3) toward the axis of the turntable (3); A bracket (11) connected to the end surface of the rotating seat (10), the bracket (11) comprising a mounting plate and support plates fixed to both ends of the mounting plate; A clamping assembly mounted on the mounting plate of the bracket (11), wherein each of the two support plates is provided with an axle-penetrating assembly; A positioning preheating component is arranged on the frame (2).

2. The automatic welding device for rigging accessories according to claim 1, characterized in that: The positioning and preheating assembly comprises a first cylinder (8) vertically mounted on one side of the frame (2), the end of the cylinder rod of the first cylinder (8) being fixedly connected to a positioning seat (18), a second cylinder (9) vertically mounted on the other side of the frame (2), the end of the cylinder rod of the second cylinder (9) being fixedly connected to a preheating seat (19), a plurality of avoidance grooves (7) for the positioning seat (18) and the preheating seat (19) to pass freely are formed on the end surface of the turntable (3), and the positioning seat (18) Two buckle ring slots (20), a circular ring slot (21) and a connecting portion slot (22) are provided on the upward side of the preheating seat (19); the circular ring slot (21) and the connecting portion slot (22) are respectively connected to the two buckle ring slots (20); a connecting cavity (24) is provided inside the preheating seat (19); and two pipe joints (23) are provided on the bottom surface of the preheating seat (19); the pipe joints (23) are connected to the connecting cavity (24).

3. The automatic welding device for rigging accessories according to claim 2, characterized in that: The clamping assembly comprises a clamping jaw cylinder (12) mounted on the mounting plate of the bracket (11), two clamping jaws of the clamping jaw cylinder (12) are fixedly connected to a clamping block (13), and arc grooves matching the buckle groove (20) are respectively formed at both ends of the clamping block (13).

4. The automatic welding device for rigging accessories according to claim 3 is characterized in that: The opposing surfaces of the two clamping jaws of the clamping jaw cylinder (12) are each fixedly connected with a push block (25), and the opposing ends of the two push blocks (25) facing the clamping block (13) are provided with a sliding surface.

5. The automatic welding device for rigging accessories according to claim 1, characterized in that: A reduction motor (5) is mounted on the fixed seat (6), and the motor shaft of the reduction motor (5) is coaxially fixedly connected to the end surface of the rotating seat (10).

6. The automatic welding device for rigging accessories according to claim 2, characterized in that: The end surface of the rotating seat (10) is symmetrically provided with two slide rails along its axial direction, and a slider is slidably mounted on the slide rail. The outer walls of the two sliders are commonly connected to an adjustment seat (16), and the mounting plate of the bracket (11) is connected to the adjustment seat (16). The end surface of the rotating seat (10) is provided with an adjustment component, and the adjustment component is used to drive the adjustment seat (16) to move linearly on the end surface of the rotating seat (10), thereby making the two buckle grooves (20) alternately coaxial with the rotating seat (10).

7. The automatic welding device for rigging accessories according to claim 6, characterized in that: The adjustment assembly comprises an ear block fixedly connected to a side of the adjustment seat (16) facing the rotating seat (10); an adjustment cylinder (17) is installed on the end surface of the rotating seat (10); and the end of the cylinder rod of the adjustment cylinder (17) is connected to the ear block.

8. The automatic welding device for rigging accessories according to claim 1, characterized in that: The shaft-penetrating assembly comprises a translation cylinder (4) mounted on the outer walls of the two support plates of the bracket (11), and a positioning shaft (15) is mounted on the end of the cylinder rod of the translation cylinder (4).

9. The automatic welding device for rigging accessories according to claim 8, characterized in that: The positioning shaft (15) is coaxially rotatably connected to the cylinder rod end face of the translation cylinder (4), and a plurality of scraping teeth (26) are provided on the periphery of the positioning shaft (15). A rotating assembly is provided on the outer wall of the support plate of the bracket (11), and the rotating assembly is used to drive the positioning shaft (15) to rotate around its own axis when the positioning shaft (15) moves linearly.

10. The automatic welding device for rigging accessories according to claim 9, characterized in that: The rotating assembly comprises a flange sleeve (14) which is passed through the support plate of the bracket (11); the positioning shaft (15) freely passes through the inner hole of the flange sleeve (14); two balls (27) are rotatably embedded in the periphery of the positioning shaft (15); the inner hole wall of the flange sleeve (14) is provided with a spiral rolling groove (28) for the balls (27) to engage with; the balls (27) roll freely in the spiral rolling groove (28).

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