CN118287867B

CN118287867B - Laser welding equipment and welding process for copper connecting pipe valve body

Info

Publication number: CN118287867B
Application number: CN202410594292.XA
Authority: CN
Inventors: 周永锋; 徐月东; 俞科峰; 吕永
Original assignee: Xinchang Kaiming Refrigeration Fitting Co ltd
Current assignee: Xinchang Kaiming Refrigeration Fitting Co ltd
Priority date: 2024-05-14
Filing date: 2024-05-14
Publication date: 2024-09-13
Anticipated expiration: 2044-05-14
Also published as: CN118287867A

Abstract

The invention relates to the technical field of laser welding, in particular to copper connecting pipe valve body laser welding equipment and a welding process, which are characterized in that a water taking rod is elastically centered by front and rear opposite Y-direction positioning parts, a short pipe on the water taking rod is clamped and positioned in the left and right directions in the middle by an X-direction positioning part, the stability of a water taking rod main body is ensured, a spanner is radially clamped and axially pressed and positioned by a stabilizing component, and the water taking rod and the spanner can be stably butted and positioned during subsequent welding; the welding assembly adjusts the distance from the position to be welded, and after the adjustment, the butt joint mounting ring is driven by the gear assembly to perform uniform circumferential rotation so as to realize circumferential welding treatment on the position to be welded, ensure that the welding seam is continuous and uniform, and ensure that the welding seam quality is stable.

Description

Laser welding equipment and welding process for copper connecting pipe valve body

Technical Field

The invention relates to the technical field of laser welding, in particular to a copper connecting pipe valve body laser welding device and a welding process.

Background

The copper connecting pipe valve body, namely the valve component made of copper materials, has the characteristics of excellent corrosion resistance, heat conductivity, strength and the like, and plays an important role in a pipeline system.

A water intake valve for lawn garden irrigation belongs to one kind of copper and takes over the valve body, mainly comprises valve body and water intaking pole. Wherein, the short pipe on the water taking rod is fixed with the spanner for holding rotation through welding.

When the existing laser welding equipment is used for welding treatment, the following problems mainly exist: 1. because the water taking rod is small in size and irregular in shape, the water taking rod is inconvenient to position, and in the welding process, the short pipe on the wrench and the water taking rod is easy to shift in position due to energy impact of the laser beam, so that the welding quality is influenced.

2. When the existing welding equipment performs welding work, the welding equipment is easy to shake in the running process and cannot keep stable movement, so that the continuity of welding seams is affected, and the quality of the welding seams is poor.

Therefore, in order to solve the problems, the invention provides a copper connecting pipe valve body laser welding device and a welding process.

Disclosure of Invention

The invention provides a copper connecting pipe valve body laser welding device, which comprises: the rear end of the positioning unit is fixedly provided with a welding unit; the positioning unit comprises a fixed platform, an installation bottom plate is fixedly arranged at the upper end of the fixed platform, a matched object placing block is fixedly arranged in the middle of the upper end of the installation bottom plate, Y-direction positioning parts are symmetrically and fixedly arranged at the upper end of the installation bottom plate around the matched object placing part, and X-direction positioning parts are arranged on the installation bottom plate; the welding unit comprises a welding execution part, the welding execution part comprises an extending locating plate, the front side of the lower end of the extending locating plate is rotationally connected with a rotating connecting ring, the lower end of the rotating connecting ring is fixedly connected with a butt joint mounting ring, the lower end of the butt joint mounting ring is provided with a welding assembly, the axial position of the extending locating plate and the butt joint mounting ring is provided with a stabilizing assembly, and the rear side of the extending locating plate and the butt joint mounting ring is provided with a gear assembly.

In one embodiment, the stabilizing component comprises an electric telescopic rod, the electric telescopic rod extends out of the upper end of the positioning plate and is located at the axial position of the butt joint mounting ring, the lower end of the telescopic end of the electric telescopic rod is fixedly connected with a cylindrical matching block, the cylindrical matching block is in clearance fit with a middle round hole of the butt joint mounting ring, a round table groove is formed in the lower end of the cylindrical matching block, a allowance groove is uniformly formed in the circumferential direction of the inner wall of the round table groove, a spring II is uniformly and fixedly connected to the inner wall of the allowance groove, a supporting and fastening sliding block II is fixedly connected to the other end of the spring II, and the supporting and fastening sliding block II is in sliding fit with the allowance groove.

In one embodiment, the X-direction positioning portion comprises a bidirectional threaded rod, the installation base is rotationally connected with the bidirectional threaded rod, the bidirectional threaded rod is provided with a sliding bottom block in a bilateral symmetry threaded connection mode, an inverted-L-shaped supporting rod is fixedly arranged at the upper end of the sliding bottom block, a matching clamp is fixedly arranged on the inverted-L-shaped supporting rod, the left end of the installation base is fixedly provided with a motor I through a motor base, and an output shaft of the motor I is fixedly connected with the bidirectional threaded rod.

In one embodiment, the Y-directional positioning part comprises a positioning block, the front and rear of the upper end of the mounting bottom plate is symmetrically and fixedly provided with the positioning block, the opposite end faces of the positioning block are provided with limiting grooves, the upper and lower opposite groove walls of the limiting grooves are uniformly and fixedly connected with a first spring, and the other end of the first spring is fixedly connected with a first abutting sliding block in sliding fit with the limiting grooves.

In one embodiment, the gear assembly comprises a motor III, the motor III is fixedly arranged on the rear side of the butt joint mounting ring and extends out of the upper end of the positioning plate, a driving gear is fixedly connected to the motor III output shaft, a driven gear ring is fixedly arranged on the peripheral outer end of the butt joint mounting ring, and the driven gear ring is meshed with the driving gear.

In one embodiment, the welding unit comprises a matching bottom table, the rear end of the fixing platform is fixedly provided with the matching bottom table, the upper end of the matching bottom table is fixedly provided with a single portal, the matching bottom table is provided with a lifting part, the lifting part is connected with the single portal, and the lifting part is fixedly connected with a welding executing part.

In one embodiment, the lifting part comprises a fixed chassis, a fixed chassis is fixedly arranged in the middle of the upper end of the matched base table, a rotating threaded rod is rotationally connected between the fixed chassis and a top plate of the single portal, a motor II is fixedly arranged at the inner bottom end of the fixed chassis, an output shaft of the motor II is fixedly connected with the rotating threaded rod, a sliding connecting plate is in threaded connection with the rotating threaded rod, a positioning plate is fixedly arranged at the front end of the sliding connecting plate, and the sliding plate is in sliding fit with the single portal.

In one embodiment, the welding assembly comprises a radial chute, the lower end of the butt joint mounting ring is provided with the radial chute, an electric sliding block is slidably arranged in the radial chute, and the lower end of the electric sliding block is fixedly connected with the welding gun mechanical arm.

In one embodiment, the invention also provides a copper connecting pipe valve body laser welding process, which comprises the following steps:

s1, fixing a workpiece: the water taking rod inserted with the wrench is positioned through the X-direction positioning part and the Y-direction positioning part, so that the wrench is ensured to be vertically upwards.

S2, auxiliary maintenance and stabilization: the lifting part moves downwards to enable the stabilizing component to conduct stable radial clamping on the wrench, and follow-up welding work is guaranteed to be conducted stably.

S3, circumferential welding: the welding gun distance is adjusted through the welding assembly, and then the welding assembly is driven through the gear assembly to perform stable circumferential welding work, so that continuous and stable welding seams are ensured.

S4, welding line treatment: and taking down the welded workpiece to carry out post-weld treatment.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. The invention provides copper connecting pipe valve body laser welding equipment and a welding process, which are characterized in that a water taking rod is elastically centered by front and rear opposite Y-direction positioning parts, a short pipe on the water taking rod is clamped and positioned in the left and right directions by an X-direction positioning part, the stability of a water taking rod main body is ensured, and then a wrench is radially clamped and axially pressed and positioned by a stabilizing component, so that the water taking rod and the wrench can be stably butted and positioned during subsequent welding; the welding assembly is used for adjusting the position of the weld joint, and after the position is adjusted, the butt joint mounting ring is driven to rotate at a constant speed along with the gear assembly, so that the welding assembly performs circumferential welding treatment on the position of the weld joint, the weld joint is ensured to be continuous and uniform, and the weld joint quality is ensured to be stable.

2. The firm subassembly that sets up, spanner upper end part can insert the round platform inslot, compresses tightly the laminating spanner up end through round platform inslot top and carries out the axial and compresses tightly the location, because of spring two with support tight slider two combined action, carry out firm radial centre gripping to the spanner, carry out welded in-process at welding assembly, guarantee can not lead to the spanner crooked even break away from the nozzle stub because of laser beam impact.

3. The gear assembly drives the driving gear to rotate through the motor III, the driving gear drives the driven gear ring to rotate, the driven gear ring circumferentially rotates at a constant speed along the butt joint mounting ring, the welding assembly is guaranteed to be capable of continuously welding the water taking rod to be welded with the wrench, the welding seam is guaranteed to be uniform and tight, and the quality of the welding seam is improved.

In addition to the technical problems, technical features constituting the technical solutions, and beneficial effects brought by the technical features of the technical solutions described above, other technical problems, other technical features included in the technical solutions, and beneficial effects brought by the technical features that can be solved by the laser welding device and the welding process for the copper connecting pipe valve body provided by the embodiment of the present application are provided, and further detailed description will be made in specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a laser welding device for a copper adapter valve body.

Fig. 2 is a schematic diagram of a left-view plane structure of a laser welding device for a copper adapter valve body.

Fig. 3 is a cross-sectional view taken along line A-A in fig. 2 in accordance with the present invention.

Fig. 4 is an enlarged view of fig. 3 at M in accordance with the present invention.

Fig. 5 is an enlarged view of fig. 3 at N in accordance with the present invention.

Fig. 6 is a cross-sectional view taken along line B-B in fig. 2 in accordance with the present invention.

Fig. 7 is an enlarged view of the invention at R in fig. 6.

Fig. 8 is a cross-sectional view taken along line C-C in fig. 2 in accordance with the present invention.

Fig. 9 is a schematic view of a longitudinal vertical half-section of the present invention.

Fig. 10 is an enlarged view of fig. 9 at H in accordance with the present invention.

Reference numerals:

1. A positioning unit; 11. a fixed platform; 12. a mounting base plate; 13. matching the object placing blocks; 14. a Y-direction positioning part; 141. a positioning block; 142. a limit groove; 143. a first spring; 144. abutting against the first sliding block; 15. an X-direction positioning part; 151. a two-way threaded rod; 152. a sliding bottom block; 153. an inverted L-shaped strut; 154. matching a clamp; 155. a first motor; 2. a welding unit; 21. a mating base; 22. a single portal; 23. a lifting part; 231. fixing the case; 232. rotating the threaded rod; 233. a second motor; 234. a sliding connecting plate; 24. a welding execution unit; 241. extending the positioning plate; 242. rotating the connecting ring; 243. a butt joint mounting ring; 244. welding the assembly; 2441. radial sliding grooves; 2442. an electric slide block; 2443. a welding gun mechanical arm; 245. a stabilizing assembly; 2451. an electric telescopic rod; 2452. a cylindrical mating block; 2453. a circular truncated cone-shaped groove; 2454. a second spring; 2455. abutting against the second sliding block; 246. a gear assembly; 2461. a third motor; 2462. a drive gear; 2463. a driven gear ring.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1, a laser welding apparatus for a copper adapter valve body includes: the welding device comprises a positioning unit 1 and a welding unit 2, wherein the welding unit 2 is fixedly arranged at the rear end of the positioning unit 1.

Referring to fig. 1,2 and 8, the positioning unit 1 includes a fixing platform 11, a mounting base plate 12, a matching object placing block 13, a Y-directional positioning portion 14 and an X-directional positioning portion 15, the mounting base plate 12 is fixedly mounted at the upper end of the fixing platform 11, the matching object placing block 13 is fixedly mounted in the middle of the upper end of the mounting base plate 12, the Y-directional positioning portion 14 is symmetrically and fixedly mounted at the upper end of the mounting base plate 12 and in front-rear direction with respect to the matching object placing portion, and the X-directional positioning portion 15 is disposed on the mounting base plate 12.

Referring to fig. 2, 3, 6 and 9, the welding unit 2 includes a mating base 21, a single gantry 22, a lifting portion 23 and a welding executing portion 24, the rear end of the fixed platform 11 is fixedly provided with the mating base 21, the upper end of the mating base 21 is fixedly provided with the single gantry 22, the mating base 21 is provided with the lifting portion 23, the lifting portion 23 is connected with the single gantry 22, and the lifting portion 23 is fixedly connected with the welding executing portion 24.

Referring to fig. 2,3, 6 and 9, the welding executing portion 24 includes an extending positioning plate 241, a rotating connecting ring 242, a docking collar 243, a welding assembly 244, a stabilizing assembly 245 and a gear assembly 246, the lifting portion 23 is fixedly connected with the extending positioning plate 241, the front side of the lower end of the extending positioning plate 241 is rotationally connected with the rotating connecting ring 242, the lower end of the rotating connecting ring 242 is fixedly connected with the docking collar 243, the welding assembly 244 is disposed at the lower end of the docking collar 243, the stabilizing assembly 245 is disposed at the axial position of the docking collar 243 and on the extending positioning plate 241, and the gear assembly 246 is disposed at the rear side of the docking collar 243.

A cylindrical wrench can be inserted into the short tube close to the screw of the water taking rod, and the joint of the wrench and the short tube of the water taking rod is required to be welded and reinforced after the cylindrical wrench is inserted.

Firstly, placing a water taking rod (with an upward spanner) inserted with a spanner on a matched object placing block 13, elastically centering the water taking rod through front and rear opposite Y-direction positioning parts 14, and centering and clamping and positioning short pipes on the water taking rod left and right through an X-direction positioning part 15; and then the welding execution part 24 is controlled to move down to a proper position through the lifting part 23, the spanner is stably maintained through the stabilizing component 245, the distance between the spanner and the position to be welded is adjusted through the welding component 244, after the distance is adjusted, the butt joint mounting ring 243 is driven by the gear component 246 to perform uniform circumferential rotation, so that circumferential welding treatment of the position to be welded by the welding component 244 is realized, the continuity and uniformity of the welded seam are ensured, and the quality stability of the welded seam is ensured.

Referring to fig. 8 and 10, the Y-directional positioning portion 14 includes a positioning block 141, a limiting groove 142, a first spring 143 and a first tightening slider 144, the positioning block 141 is symmetrically and fixedly mounted on the upper end of the mounting base plate 12, the limiting groove 142 is formed on opposite end surfaces of the positioning block 141, the first springs 143 are uniformly and fixedly connected to opposite groove walls of the limiting groove 142, and the first tightening sliders 144 slidably engaged with the limiting groove 142 are fixedly connected to the other ends of the first springs 143; firstly, a water taking rod inserted with a wrench is in an upward direction, in the process of lowering, the front end and the rear end of the water taking rod can push the first propping sliding blocks 144 into the limiting grooves 142, and when the water taking rod is placed at the upper end of the matched object placing block 13, the two first propping sliding blocks 144 center the water taking rod forwards and backwards under the elastic restoring force of the first springs 143; the distance between the two positioning blocks 141 is matched according to the axial length of the water taking rod.

Referring to fig. 4 and 8, the X-directional positioning portion 15 includes a bidirectional threaded rod 151, a sliding bottom block 152, an inverted L-shaped support 153, a matching fixture 154 and a first motor 155, the mounting base plate 12 is rotatably connected with the bidirectional threaded rod 151, the sliding bottom block 152 is connected with the bidirectional threaded rod 151 in a laterally symmetrical threaded manner, the inverted L-shaped support 153 is fixedly mounted at the upper end of the sliding bottom block 152, the matching fixture 154 is fixedly mounted on the inverted L-shaped support 153, the first motor 155 is fixedly mounted at the left end of the mounting base plate 12 through a motor seat, and an output shaft of the first motor 155 is fixedly connected with the bidirectional threaded rod 151; the motor I155 rotates to drive the bidirectional threaded rod 151 to rotate, the bidirectional threaded rod 151 drives the sliding bottom block 152 to slide in opposite directions, so that the matched clamp 154 can center and clamp the short pipe on the water taking rod in a left-right direction, and the center line of the short pipe on the water taking rod is overlapped with the center line of the stabilizing component 245; the two mating clips 154 are provided so that the combined center is on the center line of the stabilizing assembly 245.

Referring to fig. 6, 8 and 9, the lifting portion 23 includes a fixed chassis 231, a rotation threaded rod 232, a second motor 233 and a sliding connection plate 234, the middle part of the upper end of the base table 21 is fixedly provided with the fixed chassis 231, the rotation threaded rod 232 is rotatably connected between the fixed chassis 231 and the top plate of the single gantry 22, the second motor 233 is fixedly installed at the inner bottom of the fixed chassis 231, the output shaft of the second motor 233 is fixedly connected with the rotation threaded rod 232, the sliding connection plate 234 is in threaded connection with the rotation threaded rod 232, the front end of the sliding connection plate 234 is fixedly provided with an extending positioning plate 241, and the sliding plate is in sliding fit with the single gantry 22; in use, the second motor 233 drives the rotary threaded rod 232 to continuously rotate, and the sliding connection plate 234 is driven to move downwards for a certain distance, so that the welding assembly 244 is positioned at a proper station in the Z direction.

Referring to fig. 5, 6 and 7, the stabilizing assembly 245 includes an electric telescopic rod 2451, a cylindrical matching block 2452, a circular truncated cone-shaped groove 2453, a second spring 2454 and a second abutting slider 2455, the electric telescopic rod 2451 is fixedly mounted at the axial position of the abutting mounting ring 243 extending out of the upper end of the positioning plate 241, the lower end of the telescopic end of the electric telescopic rod 2451 is fixedly connected with the cylindrical matching block 2452, the cylindrical matching block 2452 is in clearance fit with the middle circular hole of the abutting mounting ring 243, the circular truncated cone-shaped groove 2453 is formed at the lower end of the cylindrical matching block 2452, a allowance groove is uniformly formed in the circumference of the inner wall of the circular truncated cone-shaped groove 2453, the second spring 2454 is uniformly and fixedly connected with the inner wall of the allowance groove, the other end of the second spring 2454 is fixedly connected with the second abutting slider 2455 together, and the second abutting slider 2455 is in sliding fit with the allowance groove; the cylindrical matching block 2452 is pushed to move downwards through the electric telescopic rod 2451, so that the upper end part (the outer end of the cylindrical matching block is provided with a certain gradient) of the wrench can be inserted into the circular truncated cone-shaped groove 2453, namely, the top end of the circular truncated cone-shaped groove 2453 is attached to the upper end face of the wrench, meanwhile, the spring II 2454 and the abutting sliding block II 2455 act together, radial clamping and dimensional stability are realized on the wrench, and in the welding process of the welding assembly 244, the wrench is prevented from being skewed or even separated from a short tube due to laser beam impact.

Referring to fig. 6 and 9, the welding assembly 244 includes a radial sliding groove 2441, an electric sliding block 2442 and a welding gun mechanical arm 2443, the lower end of the docking collar 243 is provided with the radial sliding groove 2441, the electric sliding block 2442 is slidably arranged in the radial sliding groove 2441, and the lower end of the electric sliding block 2442 is fixedly connected with the welding gun mechanical arm 2443; when the lifting part 23 moves the welding assembly 244 to the height, the electric sliding block 2442 is controlled to move on the radial sliding groove 2441, after the welding assembly is moved to a proper distance from the position of the welding seam, the welding gun mechanical arm 2443 adjusts the inclination angle of the welding gun to align with the gap, and the welding gun mechanical arm 2443 completes welding work between the water taking rod and the wrench along with the circumferential uniform rotation of the butt joint mounting ring 243.

Referring to fig. 2, 6 and 9, the gear assembly 246 includes a motor three 2461, a driving gear 2462 and a driven gear ring 2463, the motor three 2461 is fixedly mounted on the rear side of the docking collar 243 and extending out of the upper end of the positioning plate 241, the driving gear 2462 is fixedly connected to an output shaft of the motor three 2461, the driven gear ring 2463 is fixedly mounted on the outer circumferential end of the docking collar 243, and the driven gear ring 2463 is meshed with the driving gear 2462; during starting, the driving gear 2462 is driven to rotate through the motor III 2461, the driving gear 2462 drives the driven gear ring 2463 to rotate, the driven gear ring 2463 carries out uniform circumferential rotation with the butt joint mounting ring 243, the welding assembly 244 is guaranteed to be capable of continuously welding a water taking rod to be welded with a wrench, the welding seam is guaranteed to be uniform and tight, and the welding seam quality is improved.

In addition, the invention also provides a laser welding process of the copper connecting pipe valve body, which comprises the following steps:

S1, fixing a workpiece: the water taking rod inserted with the wrench is positioned through the X-direction positioning part 15 and the Y-direction positioning part 14, so that the wrench is ensured to be vertically upwards.

S2, auxiliary maintenance and stabilization: the lifting part 23 moves downwards to enable the stabilizing component 245 to conduct stable radial clamping on the wrench, and follow-up welding work is guaranteed to be conducted stably.

S3, circumferential welding: the welding gun distance is adjusted through the welding assembly 244, and then the welding assembly 244 is driven through the gear assembly 246 to perform stable circumferential welding work, so that continuous stability of welding seams is ensured.

The working principle of the invention is as follows: firstly, placing a water taking rod (with an upward spanner) inserted with a spanner on a matched object placing block 13, elastically centering the water taking rod through front and rear opposite Y-direction positioning parts 14, and centering and clamping and positioning short pipes on the water taking rod left and right through an X-direction positioning part 15; and then the welding execution part 24 is controlled to move down to a proper position through the lifting part 23, the spanner is stably maintained through the stabilizing component 245, the distance between the spanner and the position to be welded is adjusted through the welding component 244, after the distance is adjusted, the butt joint mounting ring 243 is driven by the gear component 246 to perform uniform circumferential rotation, so that circumferential welding treatment of the position to be welded by the welding component 244 is realized, the continuity and uniformity of the welded seam are ensured, and the quality stability of the welded seam is ensured.

In the description of the present invention, it should be understood that the terms "middle," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "axial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features which is indicated. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.

Claims

1. A copper takeover valve body laser welding apparatus, characterized by comprising: the welding device comprises a positioning unit (1), wherein a welding unit (2) is fixedly arranged at the rear end of the positioning unit (1); wherein:

The positioning unit (1) comprises a fixed platform (11), an installation base plate (12) is fixedly arranged at the upper end of the fixed platform (11), a matched object placing block (13) is fixedly arranged in the middle of the upper end of the installation base plate (12), Y-direction positioning parts (14) are symmetrically and fixedly arranged at the upper end of the installation base plate (12) and around the matched object placing part, and an X-direction positioning part (15) is arranged on the installation base plate (12);

The welding unit (2) comprises a welding execution part (24), the welding execution part (24) comprises an extending locating plate (241), a rotary connecting ring (242) is rotationally connected to the front side of the lower end of the extending locating plate (241), a butt joint mounting ring (243) is fixedly connected to the lower end of the rotary connecting ring (242), a welding assembly (244) is arranged at the lower end of the butt joint mounting ring (243), a stabilizing assembly (245) is arranged at the axial position of the butt joint mounting ring (243) and on the extending locating plate (241), and a gear assembly (246) is arranged at the rear side of the butt joint mounting ring (243);

The stabilizing assembly (245) comprises an electric telescopic rod (2451), the upper end of the positioning plate (241) extends out and is located at the axial position of the butt joint mounting ring (243), the electric telescopic rod (2451) is fixedly installed at the axial position of the butt joint mounting ring (243), the lower end of the telescopic end of the electric telescopic rod (2451) is fixedly connected with a cylindrical matching block (2452), the cylindrical matching block (2452) is in clearance fit with a middle round hole of the butt joint mounting ring (243), a circular truncated cone groove (2453) is formed in the lower end of the cylindrical matching block (2452), allowance grooves are uniformly formed in the circumferential direction of the inner wall of the circular truncated cone groove (2453), a second spring (2454) is uniformly and fixedly connected to the inner wall of the allowance groove, a second abutting sliding block (2455) is fixedly connected to the other end of the second spring (2454), and the second abutting sliding block (2455) is in sliding fit with the allowance grooves.

2. The copper adapter valve body laser welding equipment according to claim 1, wherein: x is to location portion (15) including two-way threaded rod (151), rotate on mounting plate (12) and be connected with two-way threaded rod (151), bilateral symmetry threaded connection has on two-way threaded rod (151) to slide backing block (152), slide backing block (152) upper end fixed mounting has reverse L shape branch (153), fixed mounting has cooperation anchor clamps (154) on reverse L shape branch (153), mounting plate (12) left end has motor one (155) through motor cabinet fixed mounting, motor one (155) output shaft and two-way threaded rod (151) fixed connection.

3. The copper adapter valve body laser welding equipment according to claim 1, wherein: the Y-direction positioning part (14) comprises a positioning block (141), the front and rear symmetrical positioning blocks (141) are fixedly arranged at the upper end of the mounting bottom plate (12), limiting grooves (142) are formed in the opposite end faces of the positioning blocks (141), springs I (143) are uniformly and fixedly connected to the upper and lower opposite groove walls of the limiting grooves (142), and abutting sliding blocks I (144) in sliding fit with the limiting grooves (142) are fixedly connected to the other ends of the springs I (143).

4. The copper adapter valve body laser welding equipment according to claim 1, wherein: the gear assembly (246) comprises a motor III (2461), the motor III (2461) extends out of the upper end of the positioning plate (241) and is positioned at the rear side of the butt joint mounting ring (243), the motor III (2461) is fixedly installed on the rear side of the butt joint mounting ring (243) through a motor base, the driving gear (2462) is fixedly connected with an output shaft of the motor III (2461), the driven gear ring (2463) is fixedly installed at the outer end of the circumference of the butt joint mounting ring (243), and the driven gear ring (2463) is meshed with the driving gear (2462).

5. The copper adapter valve body laser welding equipment according to claim 1, wherein: the welding unit (2) comprises a matching base table (21), the rear end of the fixing platform (11) is fixedly provided with the matching base table (21), the upper end of the matching base table (21) is fixedly provided with a single gantry (22), the matching base table (21) is provided with a lifting part (23), the lifting part (23) is connected with the single gantry (22), and the lifting part (23) is fixedly connected with a welding executing part (24).

6. The copper adapter valve body laser welding equipment according to claim 5, wherein: lifting part (23) are including fixed machine case (231), cooperation base table (21) upper end middle part fixed mounting has fixed machine case (231), rotate between the roof of fixed machine case (231) and single portal (22) and be connected with rotation threaded rod (232), fixed machine case (231) inner bottom fixed mounting has motor two (233), motor two (233) output shaft and rotation threaded rod (232) fixed connection, threaded connection has on rotation threaded rod (232) to slide connecting plate (234), slide connecting plate (234) front end fixed mounting has stretch out locating plate (241), and slide plate and single portal (22) sliding fit.

7. The copper adapter valve body laser welding equipment according to claim 1, wherein: the welding assembly (244) comprises a radial sliding groove (2441), the lower end of the butt joint mounting ring (243) is provided with the radial sliding groove (2441), an electric sliding block (2442) is arranged in the radial sliding groove (2441) in a sliding mode, and the lower end of the electric sliding block (2442) is fixedly connected with a welding gun mechanical arm (2443).