A welding device

Abstract

The present invention discloses a welding device, comprising a machine platform, a coiling mechanism for cutting and bending a straight pipe into a ring buckle, a coil feeding mechanism for clamping the ring buckle, a feeding mechanism for clamping a fixed ring and a welding mechanism for welding the ring buckle to the fixed ring. The coiling mechanism, the coil feeding mechanism, the welding mechanism and the feeding mechanism are all fixed on the machine platform in sequence. The coiling mechanism comprises a full circle component, a cutter component and a supporting vertical plate fixed on the machine platform. The cutter component comprises a cutting plate, a first driving mechanism fixed on the supporting vertical plate and a cutting knife connected to the output end of the first driving mechanism and located above the cutting plate. The full circle component comprises a seat plate with a pressing groove, a second driving mechanism fixed on the supporting vertical plate, a full circle knife connected to the output end of the second driving mechanism and located above the pressing groove, a third driving mechanism installed on the supporting vertical plate and a full circle rod connected to the output end of the third driving mechanism, and the full circle knife can be pressed against the full circle rod.

Description

Technical Field

[0001] The invention relates to the technical field of welding machine structures, in particular to a welding device. Background Art

[0002] Necklaces and bracelets are items that people often wear. In order to facilitate wearing, a lobster clasp 70 is installed at one end of the necklace and the bracelet, and a connecting ring is installed at the other end. The structure of the lobster clasp 70 is as follows: Figure 8 As shown, the lobster clasp 70 is composed of a toggle ring 71 and a ring buckle 72. The toggle ring 71 is composed of a fixed ring 711, an inner buckle 712 and a return spring. The ring buckle 72 is connected to the end of one end of the necklace. The ring buckle 72 is also welded to the outer wall of the fixed ring 711. An opening for the connecting ring to pass through is provided at a position offset from the ring buckle 72 of the fixed ring 711. The two ends of the fixed ring 711 located at the opening are respectively concave with a first groove and a second groove, and an end of the fixed ring 711 close to the second groove is provided with a toggle opening 710 connected to the second groove. 111, the inner buckle 712 includes an arc-shaped rod 7121 and a toggle handle 7122 protruding from the middle of the arc-shaped rod 7121, and the return spring is installed in the second groove. One end of the arc-shaped rod 7121 of the inner buckle 712 is inserted into the second groove and abuts against the return spring, and the other end is inserted into the first groove, and the toggle handle 7122 of the inner buckle 712 is located at the toggle opening 7111. When in use, the toggle handle 7122 can be pressed to expose the opening, and then the connecting ring can be placed at the opening, and the toggle handle 7122 can be released to fix the connecting ring on the lobster clasp 70.

[0003] However, in the prior art, the ring buckle 72 and the fixing ring 711 on the toggle finger ring 71 are welded manually, which is inefficient. Summary of the invention

[0004] The object of the present invention is to provide a welding device to solve the problem in the prior art that the ring buckle and the fixing ring on the toggle finger ring are all welded manually, which is inefficient.

[0005] The present invention is implemented by the following technical solutions:

[0006] The present invention provides a welding device, comprising a machine platform, a coiling mechanism for cutting and bending a straight pipe into a ring buckle, a coil feeding mechanism for clamping and transferring the ring buckle, a feeding mechanism for clamping and transferring a fixed ring, and a welding mechanism for welding the ring buckle to the fixed ring. The coiling mechanism, the coil feeding mechanism, the welding mechanism and the feeding mechanism are all fixed on the machine platform in sequence. The coiling mechanism comprises a full circle component, a cutter component and a supporting vertical plate fixed on the machine platform. The cutter component comprises a cutting plate, a first driving mechanism fixed on the supporting vertical plate, and a cutting knife connected to the output end of the first driving mechanism and located above the cutting plate to cut the straight pipe. The full circle component comprises a seat plate with a pressing groove, a second driving mechanism fixed on the supporting vertical plate, a full circle knife connected to the output end of the second driving mechanism and located above the pressing groove, a third driving mechanism installed on the supporting vertical plate, and a full circle rod connected to the output end of the third driving mechanism to extend into the pressing groove, and the full circle knife can be pressed against the full circle rod.

[0007] Furthermore, the pressing groove is "U"-shaped, and the full-circle component also includes a fourth driving mechanism laterally fixed to the supporting vertical plate and a fifth driving mechanism laterally fixed to the supporting vertical plate and arranged opposite to the fourth driving mechanism, and the seat plate includes a first block connected to the output end of the fourth driving mechanism and a second block connected to the output end of the fifth driving mechanism, the first block abuts against the second block, a first concave cavity is provided on the side of the first block close to the second block, and a second concave cavity is provided on the side of the second block close to the first block, and the first concave cavity and the second concave cavity enclose the pressing groove.

[0008] Furthermore, the ring feeding mechanism includes a sixth driving mechanism, a seventh driving mechanism, a turntable, a fixed plate fixed on the machine platform, a reducer connected to the output end of the sixth driving mechanism and fixed on the fixed plate, and a clamping ring nozzle connected to the output end of the seventh driving mechanism and capable of clamping the ring buckle. The seventh driving mechanism is rotatably installed on the reducer through the turntable, and the output end of the sixth driving mechanism is connected to the turntable through the reducer to drive the seventh driving mechanism to rotate.

[0009] Furthermore, the welding mechanism includes a support rod, an adjusting rod and a welding gun, the support rod is fixed on the machine platform, one end of the adjusting rod is connected to the support rod, and the other end of the adjusting rod is connected to the welding gun.

[0010] Furthermore, the feeding mechanism includes an eighth driving mechanism, a feeding nozzle connected to the output end of the eighth driving mechanism and capable of clamping the fixing ring, and a base fixed on the machine platform, and the eighth driving mechanism is installed on the base.

[0011] Furthermore, the feeding mechanism also includes a material transfer component and a vibration plate for sequentially discharging the fixed rings and fixed on the base, the vibration plate having a discharge port for discharging the fixed rings, the material transfer component includes a material transfer guide rail and a positioning plate fixed on the machine, one end of the material transfer guide rail is connected to the discharge port, and the other end is mounted on the positioning plate, and the feeding nozzle is located on the side of the material transfer guide rail away from the discharge port.

[0012] Furthermore, the welding equipment also includes a straightening mechanism for pressing the rolled pipe into a straight pipe, and the straightening mechanism includes a plurality of first pressing wheels rotatably mounted on the support plate, and the first pressing wheels are distributed in two rows on the support plate, and the first pressing wheels are staggered.

[0013] Furthermore, the line-forming mechanism also includes a ninth driving mechanism and two second pressure wheels which are rotatably mounted on the supporting plate and are spaced apart from each other, wherein one of the second pressure wheels is located directly below the other second pressure wheel, the ninth driving mechanism is fixed on the supporting plate and the output end of the ninth driving mechanism is connected to one of the second pressure wheels, and the second pressure wheel is located between the first pressure wheel and the cutting knife assembly.

[0014] Furthermore, the diameter of the second pressing wheel is greater than the diameter of the first pressing wheel.

[0015] Furthermore, the feeding assembly also includes a winding drum, which is rotatably mounted on the supporting vertical plate, and the winding drum is located on a side of the first pressing wheel away from the second pressing wheel.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The welding equipment of the present invention has a simple structure. The straight pipe can be pressed into a ring buckle by a coiling mechanism. The coil feeding mechanism can be used to clamp the ring buckle. The feeding mechanism can be used to clamp the fixed ring. The ring buckle is then welded to the fixed ring by a welding mechanism, thereby realizing highly automated production, which can save manpower, ensure welding quality, and have high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a welding device provided in an embodiment of the present invention;

[0019] Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A;

[0020] Figure 3 A schematic diagram of the structure of a ring delivery mechanism provided in an embodiment of the present invention;

[0021] Figure 4 A schematic diagram of the structure of a welding mechanism provided by an embodiment of the present invention;

[0022] Figure 5 A schematic diagram of the structure of a feeding mechanism provided by an embodiment of the present invention;

[0023] Figure 6 A schematic diagram of the structure of a coiling mechanism and a wire straightening mechanism combined according to an embodiment of the present invention;

[0024] Figure 7 for Figure 6 A partial enlarged schematic diagram of point B in the middle;

[0025] Figure 8 A schematic diagram of the structure of a lobster clasp provided in an embodiment of the present invention.

[0026] In the figure:

[0027] 10. Machine table; 20. Coil winding mechanism; 21. Rounding assembly; 211. Seat plate; 2111. Groove pressing; 2112. First block; 2113. Second block; 212. Second drive mechanism; 213. Rounding knife; 214. Third drive mechanism; 215. Rounding rod; 216. Fourth drive mechanism; 217. Fifth drive mechanism; 22. Cutter assembly; 221. Cutting plate; 222. First drive mechanism; 223. Cutting knife; 224. Stop plate; 23. Supporting plate; 30. Coil feeding mechanism; 31. Sixth drive mechanism; 32. Seventh drive mechanism; 33. Turntable; 34. Fixed plate; 35. Speed ​​reducer; 36. Coil clamping nozzle; 40. Feeding mechanism; 41. Eighth drive mechanism; 42. Feeding nozzle; 43. Base; 44, material transfer assembly; 441, material transfer guide rail; 442, positioning plate; 45, vibration plate; 451, guide outlet; 452, hopper; 46, front and rear pushers; 47, left and right pushers; 50, welding mechanism; 51, support rod; 52, adjustment rod; 53, welding gun; 54, igniter; 55, wire feeder; 551, support; 552, wire wheel; 553, wire feeding wheel; 554, wire sleeve; 60, straight pipe; 70, lobster buckle; 71, toggle finger ring; 711, fixing ring; 7111, toggle mouth; 712, inner buckle; 7121, arc rod; 7122, toggle handle; 72, buckle; 80, wire straightening mechanism; 81, first pressure wheel; 82, ninth driving mechanism; 83, second pressure wheel; 84, winding drum. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, on the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0029] See also Figures 1 to 8 The present invention discloses a welding device, which includes a machine platform 10, a coiling mechanism 20, a coil feeding mechanism 30, a feeding mechanism 40 and a welding mechanism 50. The coiling mechanism 20 is used to cut and bend a straight tube 60 into a ring buckle 72. The coil feeding mechanism 30 is used to clamp and transfer the above-made ring buckle 72 to the side of the welding mechanism 50. The feeding mechanism 40 is used to clamp a fixed ring 711 and transfer it to the side of the welding mechanism 50. The welding mechanism 50 is used to weld the ring buckle 72 to the fixed ring 711. The coiling mechanism 20, the coil feeding mechanism 30, the welding mechanism 50 and the feeding mechanism 40 are all fixed on the machine platform 10 in sequence. The welding device realizes a high degree of automated production, which can save manpower, ensure the quality of welding, and has high production efficiency.

[0030] Specifically, see Figure 2 , Figure 6 and Figure 7 The coiling mechanism 20 includes a full circle component 21, a cutter component 22, and a support plate 23 fixed on the machine 10. The cutter component 22 includes a cutting plate 221, a first driving mechanism 222 fixed on the support plate 23, and a cutting knife 223 connected to the output end of the first driving mechanism 222 and located above the cutting plate 221. The cutting knife 223 cooperates with the cutting plate 221 to cut the linear tube 60. The full circle component 21 includes a seat plate 211 with a pressing groove 2111, a second driving mechanism 212 fixed on the support plate 23, and a second driving mechanism 212 connected to the output end of the second driving mechanism 212 and located above the pressing groove 2111. The whole-circle knife 213, the third driving mechanism 214 installed on the supporting vertical plate 23 and the whole-circle rod 215 connected to the output end of the third driving mechanism 214, the first driving mechanism 222 and the second driving mechanism 212 are both vertically arranged and can respectively drive the cutting knife 223 and the whole-circle knife 213 to reciprocate up and down, the pressing groove 2111 is "U"-shaped, and the third driving mechanism 214 is horizontally arranged. The whole-circle rod 215 can be extended into the pressing groove 2111 or retracted under the drive of the third driving mechanism 214. When the whole-circle rod 215 is extended into the pressing groove 2111, the whole-circle knife 213 can move downward and press against the whole-circle rod 215.

[0031] When the straight tube 60 of the present invention enters the pressing groove 2111 of the seat plate 211, the second driving mechanism 212 drives the round knife 213 downward to bend the straight tube 60 into a curved tube. The second driving mechanism 212 drives the round knife 213 upward and separates from the curved tube. The third driving mechanism 214 drives the round rod 215 onto the curved tube. The second driving mechanism 212 drives the round knife 213 downward again to press the curved tube into a nearly circular shape through the round rod 215. At the same time, the first driving mechanism 222 drives the cutting knife 223 to cut the tube, thereby obtaining the above-mentioned buckle 72. At this time, the buckle 72 is sleeved on the round rod 215.

[0032] The full circle component 21 also includes a fourth driving mechanism 216 transversely fixed to the supporting plate 23 and a fifth driving mechanism 217 transversely fixed to the supporting plate 23 and arranged opposite to the fourth driving mechanism 216. The running direction of the fourth driving mechanism 216 is perpendicular to the running direction of the third driving mechanism 214. The seat plate 211 includes a first block 2112 connected to the output end of the fourth driving mechanism 216 and a second block 2113 connected to the output end of the fifth driving mechanism 217. The first block 2112 abuts against the second block 2113. The fourth driving mechanism 216 and the fifth driving mechanism 217 can respectively drive the first block 2112 and the second block 2113 to move horizontally. The first block A first concave cavity is provided on the side of 2112 close to the second block 2113, and a second concave cavity is provided on the side of the second block 2113 close to the first block 2112. The first concave cavity and the second concave cavity enclose the above-mentioned groove 2111. In this embodiment, after the ring buckle 72 is formed, the first block 2112 and the second block 2113 will be separated. The ring buckle 72 is then sleeved on the full round rod 215. The ring feeding mechanism 30 can clamp the ring buckle 72 and remove it from the full round rod 215, and transfer the ring buckle 72 to the side of the welding mechanism 50. In this embodiment, the first driving mechanism 222, the second driving mechanism 212, the third driving mechanism 214, the fourth driving mechanism 216 and the fifth driving mechanism 217 are preferably cylinders.

[0033] As a preferred embodiment, the cutting knife assembly 22 also includes a limit plate 224, which is fixed on one end of the cutting plate 221, and the other end of the cutting plate 221 cooperates with the cutting knife 223. The side of the limit plate 224 in contact with the cutting plate 221 is provided with a threading hole for the straight pipe 60 to pass through. The limit plate 224 is located on the side of the cutting knife 223 away from the full circle knife 213. The threading hole can prevent the straight pipe 60 from offsetting from the cutting plate 221 after the cutting knife 223 cuts down.

[0034] See also Figure 3In this embodiment, the ring feeding mechanism 30 includes a sixth driving mechanism 31, a seventh driving mechanism 32, a turntable 33, a fixed plate 34 fixed on the machine table 10, a reducer 35 connected to the output end of the sixth driving mechanism 31, and a clamping ring nozzle 36 connected to the output end of the seventh driving mechanism 32, the reducer 35 is fixed on the fixed plate 34, the clamping ring nozzle 36 can be controlled by the seventh driving mechanism 32 to clamp the ring buckle 72, the seventh driving mechanism 32 is rotatably installed on the reducer 35 through the turntable 33, the output end of the sixth driving mechanism 31 is connected to the turntable 33 through the reducer 35 to drive the seventh driving mechanism 32 and the turntable 33 to rotate together, the sixth driving mechanism 31 indirectly drives the clamping ring nozzle 36 to move, so as to send the ring buckle 72 to the side of the welding mechanism 50, in this embodiment, the sixth driving mechanism 31 is preferably a servo motor, and the seventh driving mechanism 32 is preferably a cylinder.

[0035] See also Figure 4 In this embodiment, the welding mechanism 50 includes a support rod 51, an adjusting rod 52 and a welding gun 53. The support rod 51 is fixed on the machine platform 10. One end of the adjusting rod 52 is connected to the support rod 51 and the other end is connected to the welding gun 53. The height of the welding gun 53 can be adjusted up and down by the adjusting rod 52.

[0036] As a preferred embodiment, the welding mechanism 50 further includes an igniter 54 , which is also installed on the adjustment rod 52 to facilitate igniting the welding gun 53 .

[0037] As a preferred embodiment, the welding mechanism 50 also includes a wire feeder 55 fixed on the machine table 10, the wire feeder 55 includes a support 551, a wire wheel 552, a wire feeding wheel 553 and a wire sleeve 554, the wire wheel 552, the wire feeding wheel 553 and the wire sleeve 554 are all fixed on the support 551, wherein the wire feeding wheel 553 is arranged between the wire wheel 552 and the wire sleeve 554, the wire wheel 552 is used to load the welding wire curled into a cylindrical shape, one end of the wire sleeve 554 is arranged close to the wire feeding wheel 553, and the other end is arranged close to the welding gun 53, the cylindrical welding wire is installed on the wire wheel 552, and its head is wound by the wire feeding wheel 553 and then passes through the wire sleeve 554 to the welding gun 53, the wire feeding wheel 553 is a power mechanism, and will continuously feed the welding wire to the welding gun 53.

[0038] See also Figure 5 In this embodiment, the feeding mechanism 40 includes an eighth driving mechanism 41, a feeding nozzle 42 connected to the output end of the eighth driving mechanism 41 and capable of clamping the fixing ring 711, and a base 43 fixed on the machine platform 10. The eighth driving mechanism 41 is installed on the base 43. The fixing ring 711 can be transferred to the side of the welding gun 53 through the eighth driving mechanism 41. The eighth driving mechanism 41 is preferably a servo motor. The eighth driving mechanism 41 can enable the feeding nozzle 42 to clamp the fixing ring 711 and transfer it.

[0039] The feeding mechanism 40 also includes a feeding assembly 44 and a vibration plate 45 for allowing the fixing rings 711 to be discharged in sequence and fixed on the base 43. The vibration plate 45 has an outlet 451 for the fixing rings 711 to be discharged. The feeding assembly 44 includes a feeding guide rail 441 and a positioning plate 442 fixed on the machine 10. One end of the feeding guide rail 441 is connected to the outlet 451 and the other end is installed on the positioning plate 442. The feeding nozzle 42 is located on the side of the feeding guide rail 441 away from the outlet 451. The vibration plate 45 is the same as the existing equipment on the market. Multiple fixing rings 711 are poured into the material bin 452 of the vibration plate 45. Through vibration, the fixing rings 711 can be discharged at a certain angle, and then follow the feeding guide rail 441 to the feeding nozzle 42. The fixing rings 711 in this embodiment have been processed.

[0040] As a preferred embodiment, the feeding mechanism 40 also includes a front and rear push member 46 for pushing the material transfer guide rail 441 to reciprocate in the front and rear directions relative to the positioning plate 442, and a left and right push member 47 for pushing the material transfer guide rail 441 to move in the left and right directions relative to the positioning plate 442. The front and rear push members 46 and the left and right push members 47 are respectively fixed on the positioning plate 442 and the base 43. There is no restriction on the structure of the front and rear push members 46 and the left and right push members 47. In this embodiment, the front and rear push members 46 and the left and right push members 47 are preferably cylinders.

[0041] In this embodiment, the welding equipment also includes a straightening mechanism 80 for pressing the rolled pipe into a straight pipe 60. The straightening mechanism 80 includes a plurality of first pressing wheels 81 rotatably mounted on the support plate 23. The first pressing wheels 81 are distributed in two rows on the support plate 23, and the first pressing wheels 81 are staggered. The rolled pipe will be pressed between the first pressing wheels 81 in the upper and lower rows to press the rolled pipe into a straight pipe 60.

[0042] The line straightening mechanism 80 also includes a ninth driving mechanism 82 and two second pressing wheels 83 rotatably mounted on the supporting plate 23. The diameter of the second pressing wheel 83 is larger than the diameter of the first pressing wheel 81, and one of the second pressing wheels 83 is located directly below the other second pressing wheel 83 and is spaced apart, and the straight tube 60 passes through the gap. The ninth driving mechanism 82 is fixed on the supporting plate 23 and the output end of the ninth driving mechanism 82 is connected to one of the second pressing wheels 83. The second pressing wheel 83 is located between the first pressing wheel 81 and the cutting knife assembly 22. The two second pressing wheels 83 can provide power for the straight tube 60 to move forward. The ninth driving mechanism 82 is preferably a motor.

[0043] The feeding assembly also includes a reel 84 , which is rotatably mounted on the support plate 23 and is located on a side of the first pressing wheel 81 away from the second pressing wheel 83 . The rolled tubular material is initially sleeved on the reel 84 .

[0044] The working principle of welding equipment is:

[0045] The rolled tube is put on the coil drum 84, and the thread end of the rolled tube is manually pulled out and sequentially passes between the first pressing wheels 81 arranged in the upper and lower rows, between the two second pressing wheels 83, and between the limit plate 224 and the cutting plate 221. Then the machine is started, and the rolled tube is pushed by the two second pressing wheels 83 to be pressed into a straight tube 60 and move toward the side of the cutting knife 223.

[0046] When the straight tube 60 enters the pressing groove 2111 of the seat plate 211, the second driving mechanism 212 drives the round knife 213 downward to bend the straight tube 60 into a curved tube. The second driving mechanism 212 drives the round knife 213 upward and separates from the curved tube. The third driving mechanism 214 drives the round rod 215 onto the curved tube. The second driving mechanism 212 drives the round knife 213 downward again to press the curved tube into a nearly circular shape. At the same time, the first driving mechanism 222 drives the cutting knife 223 to cut the tube, thereby obtaining the ring buckle 72. The ring buckle 72 is now sleeved on the round rod 215. The fourth driving mechanism 216 and the fifth driving mechanism 217 can respectively drive the first block 2112 and the second block 2113 to move in opposite directions. The clamping ring nozzle 36 on the ring feeding mechanism 30 clamps the ring buckle 72 and sends the ring buckle 72 to the welding mechanism 50.

[0047] A plurality of fixing rings 711 are poured into the material bin 452 of the vibration disk 45. The fixing rings 711 can be guided out at a certain angle by the vibration of the vibration disk 45. The fixing rings 711 follow the material guide rail 441 to the feeding mechanism 40. The feeding nozzle 42 on the feeding mechanism 40 clamps the fixing rings 711 and the fixing rings 711 are transferred to the welding mechanism 50 by the eighth driving mechanism 41. The welding gun 53 on the welding mechanism 50 is started by the igniter 54 to weld the ring buckle 72 to the fixing ring 711, thereby completing the welding.

[0048] To sum up, the welding equipment of the present invention has a simple structure. The straight tube 60 can be pressed into a ring buckle 72 through the coiling mechanism 20, the coil feeding mechanism 30 can be used to clamp the ring buckle 72, and the feeding mechanism 40 can be used to clamp the fixed ring 711. Then, the ring buckle 72 is welded to the fixed ring 711 through the welding mechanism 50, thereby realizing a highly automated production, which can not only save manpower, but also ensure the quality of welding and have high production efficiency.

[0049] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A welding device, characterized in that: The invention comprises a machine platform, a coiling mechanism for cutting and bending a straight pipe into a ring buckle, a coil feeding mechanism for clamping and transferring the ring buckle, a feeding mechanism for clamping and transferring a fixed ring, and a welding mechanism for welding the ring buckle to the fixed ring. The coiling mechanism, the coil feeding mechanism, the welding mechanism, and the feeding mechanism are all fixed on the machine platform in sequence. The coiling mechanism comprises a full circle assembly, a cutter assembly, and a supporting vertical plate fixed on the machine platform. The cutter assembly comprises a cutting plate, a first driving mechanism fixed on the supporting vertical plate, and a cutting knife connected to the output end of the first driving mechanism and located above the cutting plate to cut the straight pipe. The full circle assembly comprises a seat plate with a pressing groove, a second driving mechanism fixed on the supporting vertical plate, a full circle knife connected to the output end of the second driving mechanism and located above the pressing groove, a third driving mechanism installed on the supporting vertical plate, and a full circle rod connected to the output end of the third driving mechanism to extend into the pressing groove, and the full circle knife can be pressed against the full circle rod; The full circle assembly also includes a fourth drive mechanism transversely fixed to the support vertical plate and a fifth drive mechanism transversely fixed to the support vertical plate and arranged opposite to the fourth drive mechanism, the seat plate includes a first block connected to the output end of the fourth drive mechanism and a second block connected to the output end of the fifth drive mechanism, the first block abuts against the second block, a first concave cavity is provided on a side of the first block close to the second block, a second concave cavity is provided on a side of the second block close to the first block, and the first concave cavity and the second concave cavity enclose the pressing groove; The ring feeding mechanism includes a sixth driving mechanism, a seventh driving mechanism, a turntable, a fixed plate fixed on the machine platform, a reducer connected to the output end of the sixth driving mechanism and fixed on the fixed plate, and a ring clamping nozzle connected to the output end of the seventh driving mechanism and capable of clamping the ring buckle. The seventh driving mechanism is rotatably mounted on the reducer through the turntable, and the output end of the sixth driving mechanism is connected to the turntable through the reducer to drive the seventh driving mechanism to rotate.

2. The welding device according to claim 1, characterized in that The pressing groove is "U" shaped.

3. The welding equipment according to claim 1, characterized in that The welding mechanism comprises a support rod, an adjusting rod and a welding gun. The support rod is fixed on the machine platform. One end of the adjusting rod is connected to the support rod, and the other end of the adjusting rod is connected to the welding gun.

4. The welding device according to claim 1, characterized in that: The feeding mechanism comprises an eighth driving mechanism, a feeding nozzle connected to the output end of the eighth driving mechanism and capable of clamping the fixing ring, and a base fixed on the machine platform, and the eighth driving mechanism is installed on the base.

5. The welding device according to claim 4, characterized in that The feeding mechanism also includes a material transfer component and a vibration plate for sequentially leading out the fixed rings and fixed on the base, the vibration plate having a lead-out port for the fixed rings to be discharged, the material transfer component includes a material transfer guide rail and a positioning plate fixed on the machine, one end of the material transfer guide rail is connected to the lead-out port, and the other end is mounted on the positioning plate, and the feeding nozzle is located on the side of the material transfer guide rail away from the lead-out port.

6. The welding device according to claim 1, characterized in that The welding equipment also includes a straightening mechanism for pressing the rolled pipe into a straight pipe, the straightening mechanism includes a plurality of first pressing wheels rotatably mounted on the support plate, the first pressing wheels are distributed on the support plate in two rows, and the first pressing wheels are staggered.

7. The welding device according to claim 6, characterized in that The line straightening mechanism also includes a ninth driving mechanism and two second pressing wheels which are rotatably mounted on the supporting plate and are spaced apart from each other, wherein one of the second pressing wheels is located directly below the other second pressing wheel, the ninth driving mechanism is fixed on the supporting plate and the output end of the ninth driving mechanism is connected to one of the second pressing wheels, and the second pressing wheel is located between the first pressing wheel and the cutting knife assembly.

8. The welding device according to claim 7, characterized in that The diameter of the second pressing wheel is greater than the diameter of the first pressing wheel.

9. The welding device according to claim 7, characterized in that: The feeding mechanism also includes a winding drum, which is rotatably mounted on the supporting vertical plate and is located on a side of the first pressing wheel away from the second pressing wheel.

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