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

Abstract

The present invention relates to the field of laser welding technology, and in particular to a copper pipe valve body laser welding device and a welding process. A water intake rod is elastically centered by front and rear relative Y-direction positioning parts, and then a short tube on the water intake rod is clamped and positioned in the left and right directions by an X-direction positioning part to ensure the stability of the water intake rod body. Then, a wrench is radially clamped and axially pressed and positioned by a stabilizing component to ensure that the water intake rod and the wrench can maintain stable docking and positioning during subsequent welding. The distance to the position of the weld is adjusted by the welding component. After the adjustment, the gear component drives the docking installation ring to rotate circumferentially at a uniform speed to realize circumferential welding of the weld by the welding component, thereby ensuring that the weld is continuous and uniform and the weld quality is stable.

Description

Copper pipe valve body laser welding equipment and welding process

Technical Field

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

Background Art

Copper pipe valve body, that is, valve components made of copper material, has excellent corrosion resistance, thermal conductivity and strength, and plays an important role in the pipeline system.

The water intake valve used for lawn and garden irrigation belongs to a type of copper pipe valve body, which is mainly composed of a valve body and a water intake rod. Among them, the short pipe on the water intake rod and the wrench used for hand-held rotation are fixed by welding.

The existing laser welding equipment has the following main problems when performing welding: 1. Since the water intake rod itself is small in size and irregular in shape, it is inconvenient to position the water intake rod. During the welding process, due to the energy impact of the laser beam, it is easy to cause the wrench and the short tube on the water intake rod to shift position, affecting the welding quality.

2. When the existing welding equipment is performing welding work, it is easy to shake during the movement of the welding equipment and cannot maintain stable movement, thereby affecting the continuity of the weld and resulting in poor weld quality.

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

Summary of the invention

The present invention provides a copper pipe valve body laser welding device, comprising: a positioning unit, a welding unit is fixedly installed at the rear end of the positioning unit; the positioning unit comprises a fixed platform, a mounting base plate is fixedly installed at the upper end of the fixed platform, a matching storage block is fixedly installed at the middle part of the upper end of the mounting base plate, a Y-direction positioning part is fixedly installed at the upper end of the mounting base plate and symmetrically with respect to the matching storage part, and an X-direction positioning part is arranged on the mounting base plate; the welding unit comprises a welding execution part, the welding execution part comprises an extended positioning plate, a rotating connecting ring is rotatably connected to the front side of the lower end of the extended positioning plate, a docking mounting ring is fixedly connected to the lower end of the rotating connecting ring, a welding assembly is arranged at the lower end of the docking mounting ring, a stabilizing assembly is arranged on the extended positioning plate and located at the axial position of the docking mounting ring, and a gear assembly is arranged on the extended positioning plate and located at the rear side of the docking mounting ring.

In one of the embodiments, the stabilizing component includes an electric telescopic rod, which extends out of the upper end of the positioning plate and is fixedly installed at the axial position of the docking mounting ring. The lower end of the telescopic end of the electric telescopic rod is fixedly connected to a cylindrical matching block, and the cylindrical matching block is gap-matched with the middle circular hole of the docking mounting ring. A truncated cone-shaped groove is provided at the lower end of the cylindrical matching block, and a margin groove is evenly provided on the inner wall of the truncated cone-shaped groove in a circumferential direction. A second spring is evenly fixedly connected to the inner wall of the margin groove, and the other end of the second spring is fixedly connected to a second clamping slider, and the second clamping slider is slidably matched with the margin groove.

In one of the embodiments, the X-axis positioning portion includes a bidirectional threaded rod, which is rotatably connected to the mounting base plate, and a sliding bottom block is symmetrically threaded on the bidirectional threaded rod, an inverted L-shaped support rod is fixedly installed on the upper end of the sliding bottom block, and a matching clamp is fixedly installed on the inverted L-shaped support rod, and a motor 1 is fixedly installed on the left end of the mounting base plate through a motor seat, and the output shaft of the motor 1 is fixedly connected to the bidirectional threaded rod.

In one of the embodiments, the Y-axis positioning portion includes a positioning block, and the positioning block is symmetrically fixedly installed on the upper end of the mounting base plate. The opposite end faces of the positioning block are provided with limiting grooves, and the relative groove walls of the limiting groove are evenly fixedly connected with springs one above and below, and the other end of the spring one is fixedly connected with a clamping slider one that slides with the limiting groove.

In one of the embodiments, the gear assembly includes a motor three, which extends out from the upper end of the positioning plate and is located on the rear side of the docking mounting ring and is fixedly installed through a motor seat. The output shaft of the motor three is fixedly connected to a driving gear, and a driven gear ring is fixedly installed on the outer circumferential end of the docking mounting ring, and the driven gear ring is meshed with the driving gear.

In one of the embodiments, the welding unit includes a matching base, a matching base is fixedly installed on the rear end of the fixed platform, a single door frame is fixedly installed on the upper end of the matching base, a lifting part is arranged on the matching base, and the lifting part is connected to the single door frame, and a welding execution part is fixedly connected to the lifting part.

In one of the embodiments, the lifting part includes a fixed chassis, which is fixedly installed on the middle part of the upper end of the base platform, a rotating threaded rod is rotatably connected between the fixed chassis and the top plate of the single door frame, a second motor is fixedly installed on the bottom end of the fixed chassis, the output shaft of the second motor is fixedly connected to the rotating threaded rod, a sliding connecting plate is threadedly connected on the rotating threaded rod, a protruding positioning plate is fixedly installed on the front end of the sliding connecting plate, and the sliding plate is slidably matched with the single door frame.

In one of the embodiments, the welding assembly includes a radial slide groove, a radial slide groove is opened at the lower end of the docking mounting ring, an electric slider is slidably arranged in the radial slide groove, and a welding gun robot arm is fixedly connected to the lower end of the electric slider.

In one embodiment, the present invention further provides a copper pipe valve body laser welding process, comprising the following steps:

S1. Fix the workpiece: Position the water-taking rod with the wrench inserted therein through the X-axis positioning part and the Y-axis positioning part to ensure that the wrench is vertically facing upward.

S2. Auxiliary stabilization: The lifting part moves downward so that the stabilizing component can clamp the wrench firmly in the radial direction to ensure the subsequent welding work is carried out stably.

S3, Circumferential welding: First adjust the welding gun distance through the welding assembly, and then drive the welding assembly through the gear assembly to perform stable circumferential welding to ensure continuous and stable welds.

S4. Weld seam processing: remove the welded workpiece for weld seam post-processing.

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

1. The present invention provides a copper pipe valve body laser welding device and welding process, which elastically centers the water intake rod through the front and rear relative Y-axis positioning parts, and then clamps and positions the short tube on the water intake rod in the left and right directions through the X-axis positioning part to ensure the stability of the water intake rod body, and then radially clamps and axially presses the wrench through the stabilizing component to ensure that the water intake rod and the wrench can maintain stable docking and positioning during subsequent welding; the position of the weld to be welded is adjusted through the welding component, and after the adjustment, the gear component drives the docking installation ring to rotate circumferentially at a uniform speed, so that the welding component performs circumferential welding on the weld to be welded, ensuring that the weld is continuous and uniform, and the weld quality is stable.

2. A stable component is set up, and the upper end part of the wrench can be inserted into the truncated cone groove. The top of the truncated cone groove is pressed against the upper end surface of the wrench for axial compression and positioning. Due to the joint action of the second spring and the second clamping slider, the wrench is firmly clamped radially. During the welding process of the welding component, it is ensured that the wrench will not be skewed or even detached from the short tube due to the impact of the laser beam.

3. The gear assembly is set up, and the active gear is driven to rotate by the motor 3, and the active gear drives the driven gear ring to rotate, and the driven gear ring drives the docking installation ring to rotate circumferentially at a uniform speed, so as to ensure that the welding assembly can continuously weld the water intake rod and the wrench to be welded, and ensure that the weld is uniform and tight, so as to improve the weld quality.

In addition to the technical problems solved by the embodiments of the present invention described above, the technical features that constitute the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, other technical problems that can be solved by a copper pipe valve body laser welding device and welding process provided by the embodiments of the present application, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific implementation methods.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

FIG. 1 is a schematic diagram of the three-dimensional structure of a copper pipe valve body laser welding device according to the present invention.

FIG. 2 is a schematic diagram of the left-side planar structure of a copper pipe valve body laser welding device according to the present invention.

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

FIG. 4 is an enlarged view of point M in FIG. 3 of the present invention.

FIG. 5 is an enlarged view of point N in FIG. 3 of the present invention.

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

FIG. 7 is an enlarged view of point R in FIG. 6 of the present invention.

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

FIG. 9 is a schematic diagram of a longitudinal vertical half-section structure of the present invention.

FIG. 10 is an enlarged view of point H in FIG. 9 of the present invention.

Reference numerals:

1. Positioning unit; 11. Fixed platform; 12. Mounting base plate; 13. Matching storage block; 14. Y-axis positioning part; 141. Positioning block; 142. Limiting groove; 143. Spring 1; 144. Tightening slide block 1; 15. X-axis positioning part; 151. Bidirectional threaded rod; 152. Sliding bottom block; 153. Inverted L-shaped support rod; 154. Matching fixture; 155. Motor 1; 2. Welding unit; 21. Matching base platform; 22. Single door frame; 23. Lifting part; 231. Fixed chassis; 232. Rotating threaded rod; 233. Motor 2; 2 34. Sliding connecting plate; 24. Welding actuator; 241. Extending positioning plate; 242. Rotating connecting ring; 243. Docking mounting ring; 244. Welding assembly; 2441. Radial slide groove; 2442. Electric slider; 2443. Welding gun mechanical arm; 245. Stabilizing assembly; 2451. Electric telescopic rod; 2452. Cylindrical matching block; 2453. Cone-shaped groove; 2454. Spring 2; 2455. Pressing slider 2; 246. Gear assembly; 2461. Motor 3; 2462. Driving gear; 2463. Driven gear ring.

DETAILED DESCRIPTION

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

Please refer to FIG. 1 , which shows a copper pipe valve body laser welding device, comprising: a positioning unit 1 and a welding unit 2 , wherein the welding unit 2 is fixedly mounted at the rear end of the positioning unit 1 .

Please refer to Figures 1, 2 and 8, the positioning unit 1 includes a fixed platform 11, a mounting base plate 12, a matching storage block 13, a Y-direction positioning portion 14 and an X-direction positioning portion 15. The mounting base plate 12 is fixedly mounted on the upper end of the fixed platform 11, the matching storage block 13 is fixedly mounted on the middle part of the upper end of the mounting base plate 12, the Y-direction positioning portion 14 is fixedly mounted on the upper end of the mounting base plate 12 and symmetrically with respect to the matching storage portion, and the X-direction positioning portion 15 is provided on the mounting base plate 12.

Please refer to Figures 2, 3, 6 and 9. The welding unit 2 includes a matching base 21, a single door frame 22, a lifting part 23 and a welding execution part 24. The matching base 21 is fixedly installed on the rear end of the fixed platform 11, the single door frame 22 is fixedly installed on the upper end of the matching base 21, the lifting part 23 is arranged on the matching base 21, and the lifting part 23 is connected to the single door frame 22, and the welding execution part 24 is fixedly connected to the lifting part 23.

Please refer to Figures 2, 3, 6 and 9. The welding execution part 24 includes an extended positioning plate 241, a rotating connecting ring 242, a docking mounting ring 243, a welding assembly 244, a stabilizing assembly 245 and a gear assembly 246. The lifting part 23 is fixedly connected with the extended positioning plate 241, the front side of the lower end of the extended positioning plate 241 is rotatably connected with the rotating connecting ring 242, the lower end of the rotating connecting ring 242 is fixedly connected with the docking mounting ring 243, the lower end of the docking mounting ring 243 is provided with a welding assembly 244, the stabilizing assembly 245 is provided on the extended positioning plate 241 and located at the axial position of the docking mounting ring 243, and the gear assembly 246 is provided on the extended positioning plate 241 and located at the rear side of the docking mounting ring 243.

A cylindrical wrench can be inserted into the short tube near the threaded opening of the water-intake rod. After the insertion, the connection between the wrench and the short tube of the water-intake rod needs to be welded and reinforced.

First, place the water-drawing rod with the wrench inserted (with the wrench facing upward) on the matching placement block 13, and then elastically center the water-drawing rod through the front and rear relative Y-axis positioning parts 14, and then clamp and position the short tube on the water-drawing rod in the left and right directions through the X-axis positioning part 15; then control the welding execution part 24 to move down to the appropriate position through the lifting part 23, and then stabilize the wrench through the stabilizing component 245, and then adjust the distance to the position of the weld through the welding component 244. After the adjustment, finally drive the docking installation ring 243 to rotate circumferentially at a uniform speed with the gear component 246, so that the welding component 244 can perform circumferential welding on the weld to be welded, ensuring that the weld is continuous and uniform, and ensuring the stability of the weld quality.

Please refer to Figures 8 and 10. The Y-axis positioning portion 14 includes a positioning block 141, a limiting groove 142, a spring 143 and a pressing slide block 144. The upper end of the mounting base 12 is symmetrically fixed with the positioning block 141. The opposite end faces of the positioning block 141 are provided with limiting grooves 142. The relative groove walls of the limiting groove 142 are evenly fixedly connected with springs 143 up and down. The other end of the spring 143 is jointly fixedly connected with a pressing slide block 144 that slidably cooperates with the limiting groove 142; first, the water-taking rod with the wrench inserted is placed with the wrench facing upward. During the lowering process, the front and rear ends of the water-taking rod will push the pressing slide block 144 into the limiting groove 142. When the water-taking rod is placed on the upper end of the matching placement block 13, the two pressing slide blocks 144 center the water-taking rod front and back under the elastic restoring force of their respective springs 143; the spacing between the two positioning blocks 141 is matched and set according to the axial length of the water-taking rod.

Please refer to Figures 4 and 8. The X-axis positioning portion 15 includes a bidirectional threaded rod 151, a sliding bottom block 152, an inverted L-shaped support rod 153, a matching fixture 154 and a motor 155. The bidirectional threaded rod 151 is rotatably connected to the installation base 12, and the bidirectional threaded rod 151 is symmetrically threaded with the sliding bottom block 152. The upper end of the sliding bottom block 152 is fixedly installed with an inverted L-shaped support rod 153, and the matching fixture 154 is fixedly installed on the inverted L-shaped support rod 153. The left end of the installation base 12 is fixedly installed through the motor seat. A motor 155 is installed, and the output shaft of the motor 155 is fixedly connected to the bidirectional threaded rod 151; the bidirectional threaded rod 151 is driven to rotate by the rotation of the motor 155, and the bidirectional threaded rod 151 drives the sliding bottom block 152 to slide toward each other, so that the matching clamp 154 can position and clamp the short tube on the water intake rod in the left and right directions. At this time, the center line of the short tube on the water intake rod coincides with the center line of the stabilizing component 245; the center of the combination of the two matching clamps 154 is on the center line of the stabilizing component 245.

Please refer to Figures 6, 8 and 9. The lifting part 23 includes a fixed chassis 231, a rotating threaded rod 232, a second motor 233 and a sliding connecting plate 234. The fixed chassis 231 is fixedly installed in the middle of the upper end of the base 21, and a rotating threaded rod 232 is rotatably connected between the fixed chassis 231 and the top plate of the single door frame 22. A second motor 233 is fixedly installed at the bottom end of the fixed chassis 231, and the output shaft of the second motor 233 is fixedly connected to the rotating threaded rod 232. A sliding connecting plate 234 is threadedly connected to the rotating threaded rod 232, and a protruding positioning plate 241 is fixedly installed at the front end of the sliding connecting plate 234, and the sliding plate is slidably matched with the single door frame 22. When in use, the rotating threaded rod 232 is driven by the second motor 233 to rotate continuously, and the sliding connecting plate 234 is driven to move downward a certain distance, so that the welding assembly 244 is in a suitable position in the Z direction.

Please refer to Figures 5, 6 and 7. The stabilizing component 245 includes an electric telescopic rod 2451, a cylindrical matching block 2452, a truncated cone groove 2453, a second spring 2454 and a second pressing slider 2455. The electric telescopic rod 2451 is fixedly installed on the upper end of the positioning plate 241 and located at the axial position of the docking 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 gap-matched with the middle circular hole of the docking mounting ring 243. A truncated cone groove 2453 is provided at the lower end of the cylindrical matching block 2452. The inner wall of the truncated cone groove 2453 is uniformly provided with residual grooves in the circumferential direction. The inner wall of the residual groove A spring 2454 is evenly and fixedly connected, and the other end of the spring 2454 is fixedly connected to a clamping slider 2455, and the clamping slider 2455 is slidably matched with the margin groove; the cylindrical matching block 2452 is pushed downward by the electric telescopic rod 2451, so that the upper end part of the wrench (the outer end has a certain inclination) can be inserted into the truncated cone groove 2453, that is, when the top of the truncated cone groove 2453 fits the upper end surface of the wrench, the spring 2454 and the clamping slider 2455 work together to radially clamp and stabilize the wrench. During the welding process of the welding assembly 244, it is ensured that the wrench will not be skewed or even detached from the short tube due to the impact of the laser beam.

Please refer to Figures 6 and 9. The welding assembly 244 includes a radial groove 2441, an electric slider 2442 and a welding gun mechanical arm 2443. The lower end of the docking mounting ring 243 is provided with a radial groove 2441, and an electric slider 2442 is slidably arranged in the radial groove 2441. The lower end of the electric slider 2442 is fixedly connected to the welding gun mechanical arm 2443. When the lifting part 23 moves the welding assembly 244 to a height, the electric slider 2442 is controlled to move on the radial groove 2441. After moving to a suitable distance from the position of the weld, the welding gun mechanical arm 2443 adjusts the inclination angle of the welding gun to align with the gap in preparation. As the docking mounting ring 243 rotates circumferentially at a uniform speed, the welding gun mechanical arm 2443 completes the welding work between the water intake rod and the wrench.

Please refer to Figures 2, 6 and 9. The gear assembly 246 includes a motor 3 2461, a driving gear 2462 and a driven gear ring 2463. The motor 3 2461 is extended out from the upper end of the positioning plate 241 and is located at the rear side of the docking mounting ring 243 and is fixedly installed through the motor seat. The output shaft of the motor 3 2461 is fixedly connected with the driving gear 2462, and the driven gear ring 2463 is fixedly installed at the circumferential outer end of the docking mounting ring 243, and the driven gear ring 2463 is meshed with the driving gear 2462; when starting, the driving gear 2462 is driven to rotate by the motor 3 2461, and the driving gear 2462 drives the driven gear ring 2463 to rotate, and the driven gear ring 2463 rotates circumferentially at a uniform speed with the docking mounting ring 243, ensuring that the welding assembly 244 can continuously weld the water intake rod and the wrench to be welded, ensuring that the weld is uniform and tight, so that the weld quality is improved.

In addition, the present invention also provides a copper pipe valve body laser welding process, comprising the following steps:

S1. Fixing the workpiece: positioning the water-taking rod with the wrench inserted therein by the X-direction positioning part 15 and the Y-direction positioning part 14 to ensure that the wrench is vertically facing upward.

S2. Auxiliary stabilization: The lifting part 23 is moved downward so that the stabilizing assembly 245 can clamp the wrench firmly in the radial direction, ensuring that subsequent welding work is carried out stably.

S3, circumferential welding: first adjust the welding gun distance through the welding assembly 244, and then drive the welding assembly 244 through the gear assembly 246 to perform stable circumferential welding to ensure that the weld is continuous and stable.

S4. Weld seam processing: remove the welded workpiece for weld seam post-processing.

The working principle of the present invention is as follows: first, place the water-intake rod with the wrench inserted (with the wrench facing upward) on the matching placement block 13, and then elastically center the water-intake rod through the front and rear relative Y-direction positioning parts 14, and then clamp and position the short tube on the water-intake rod in the left and right directions through the X-direction positioning part 15; then, control the welding execution part 24 to move down to a suitable position through the lifting part 23, and then stabilize the wrench through the stabilizing component 245, and then adjust the distance to the position of the weld to be welded through the welding component 244. After the adjustment, finally, drive the docking installation ring 243 to rotate circumferentially at a uniform speed with the gear component 246, so that the welding component 244 performs circumferential welding on the weld to be welded, ensuring that the weld is continuous and uniform, and ensuring the stability of the weld quality.

In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as “middle”, “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inner”, “outer”, “axial”, and “circumferential” are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

In addition, the terms "first", "second", "number one", "number two", "one", "two" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a sliding connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

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).