Welding and positioning tool for water collecting head

Abstract

The utility model discloses a water collecting head welding positioning tool which comprises a support, a heat exchanger clamping assembly and a water collecting head clamping assembly, the heat exchanger clamping assembly comprises a first base, a first clamping plate and a second clamping plate are arranged on the two sides of the top face of the first base respectively, and the second clamping plate is connected with the first base in a sliding mode. The water collecting head clamping assembly comprises a first base, a first driving assembly is arranged on the first base, the water collecting head clamping assembly comprises a second base, a first platform is slidably installed on the top of the second base, a second driving assembly is arranged on the second base, a second platform is slidably installed on the top of the first platform, and a third driving assembly is arranged on the first platform. A lifting assembly is installed at the top of the second platform, a third platform is installed at the top of the lifting assembly, and a clamping frame is arranged at the top of the third platform. The water collecting head can be clamped and fixed, and workers can conveniently conduct welding operation, so that the welding operation difficulty is reduced, and the welding quality is more stable.

Description

Technical Field

[0001] This utility model relates to the field of water collection head welding technology, and in particular to a water collection head welding positioning tool. Background Technology

[0002] Fan coil units are one of the terminal devices in an air conditioning system, consisting of a small fan, motor, and heat exchanger. When refrigerant or heat transfer medium flows through the coil, it exchanges heat with the outside air, cooling, dehumidifying, or heating the air to regulate indoor air parameters. The heat exchanger manifold is an important component of the heat exchanger, used to separate the inlet and outlet water. The manifold and heat exchanger are typically connected using brazing. In existing manual welding processes, workers generally need to hold the manifold by hand to weld multiple branch pipes on the manifold to multiple copper pipes on the heat exchanger. This welding method requires a high level of individual welding skill, is difficult to operate, and the weld quality is prone to fluctuations, affecting product quality. Utility Model Content

[0003] The purpose of this utility model is to provide a welding positioning fixture for water collection heads, which can clamp and fix the water collection heads, making it convenient for workers to perform welding operations, thereby reducing the difficulty of welding operations, making the welding quality more stable, and improving the quality of products.

[0004] To achieve the above and other related objectives, this utility model provides a welding and positioning fixture for a water collection head, comprising: a bracket, a heat exchanger clamping assembly, and a water collection head clamping assembly. The heat exchanger clamping assembly includes a first base, which is fixedly installed at one end of the top surface of the bracket. A first clamping plate and a second clamping plate are respectively provided on both sides of the top surface of the first base. The bottom of the first clamping plate is fixedly connected to the top surface of the first base, and the bottom of the second clamping plate is slidably connected to the top surface of the first base. A first driving assembly is provided on the first base, and the first driving assembly is drivingly connected to the second clamping plate to drive the second clamping plate to move toward or away from the first clamping plate. The water collection head clamping assembly includes a second base, which is fixedly installed at the other end of the top surface of the bracket. A first platform is slidably mounted on the top of the base. A second driving assembly is provided on the second base, and the second driving assembly is driven to the first platform to move toward or away from the first base. The extension direction of the first platform is perpendicular to the movement direction of the first platform. A second platform is slidably mounted on the top of the first platform along the extension direction of the first platform. A third driving assembly is provided on the first platform, and the third driving assembly is driven to the second platform to move along the extension direction of the first platform. A lifting assembly is mounted on the top of the second platform, and a third platform is mounted on the top of the lifting assembly. A clamping frame is provided on the top of the third platform, and a clamping groove is provided on the top of the clamping frame. A fastening bolt is provided on each side of the clamping groove.

[0005] In one example of the welding and positioning fixture for the water collection head of this utility model, the bracket includes a top plate and several legs. The tops of the several legs are fixedly connected to the bottom surface of the top plate, and the several legs are evenly distributed along the bottom edge of the top plate.

[0006] In one example of the water collection head welding positioning fixture of this utility model, the first base is fixedly installed at one end of the top surface of the top plate. The top surface of the first base is provided with two first sliding grooves. The extension direction of the first sliding grooves is perpendicular to the first clamping plate. The bottom of the second clamping plate is provided with two first sliders. The two first sliders are slidably installed in the two first sliding grooves respectively.

[0007] In one example of the water collection head welding positioning fixture of this utility model, the first drive assembly includes a first drive motor, which is fixedly installed on the side wall of the first base. The top of the first base between the two first slide grooves is provided with a first mounting groove along the extension direction of the first slide groove. A first lead screw is rotatably installed in the first mounting groove along the extension direction of the first mounting groove. One end of the first lead screw is fixedly connected to the output end of the first drive motor. The bottom of the second clamping plate is provided with a first slide block, which is slidably installed in the first mounting groove. The first slide block is threadedly connected to the first lead screw.

[0008] In one example of the water collection head welding positioning fixture of this utility model, a first soft pad is provided on the surface of the first clamping plate and the second clamping plate respectively, and the first soft pad is provided along the extension direction of the first clamping plate or the second clamping plate.

[0009] In one example of the water collection head welding positioning fixture of this utility model, the second base is fixedly installed at the other end of the top surface of the top plate. Two second slide rails are provided on the top surface of the second base along the extension direction of the second base. Two second slide grooves are provided on the bottom surface of the first platform. The two second slide grooves are slidably connected to the two second slide rails respectively.

[0010] In one example of the water collection head welding positioning fixture of this utility model, the second drive component includes a second drive motor, which is fixedly installed on the side wall of the second base. A second mounting groove is provided in the middle of the top surface of the second base along the extension direction of the second base. A second lead screw is rotatably installed in the second mounting groove along the extension direction of the second mounting groove. One end of the second lead screw is fixedly connected to the output end of the second drive motor. A second slide is provided at the bottom of the first platform. The second slide is slidably installed in the second mounting groove. The second slide is threadedly connected to the second lead screw.

[0011] In one example of the welding positioning fixture for the water collection head of this utility model, the third drive component includes a third drive motor, which is fixedly installed on the side wall of the first platform. A third mounting groove is provided in the middle of the top surface of the first platform along the extension direction of the first platform. A third slide rail is provided on the top surface of the first platform on both sides of the third mounting groove. A third lead screw is rotatably installed in the third mounting groove along the extension direction of the third mounting groove. One end of the third lead screw is fixedly connected to the output end of the third drive motor. A third slide block and two third slide grooves are provided on the bottom surface of the second platform. The two third slide grooves are slidably connected to the two third slide rails respectively. The third slide block is slidably installed in the third mounting groove. The third slide block is threadedly connected to the third lead screw.

[0012] In one example of the water collection head welding positioning fixture of this utility model, the lifting assembly includes a scissor lift structure. A fourth drive motor is provided on the top of the second platform. The output end of the fourth drive motor is fixedly connected to one end of a fourth lead screw. The other end of the fourth lead screw is rotatably connected to an end plate. The bottom of the end plate is fixedly connected to the top surface of the second platform. A push plate is threaded through and connected to the fourth lead screw. The push plate is fixedly connected to the first leg assembly of the scissor lift structure and is used to drive the two ends of the first leg assembly to slide along the top surface of the second platform and the bottom surface of the third platform, respectively.

[0013] In one example of the welding and positioning fixture for the water collection head of this utility model, a pressure plate is rotatably installed on the surfaces of the two fastening bolts that are arranged opposite to each other, and a second soft pad is provided on the surfaces of the two pressure plates that are arranged opposite to each other.

[0014] This utility model relates to a welding and positioning fixture for water collectors. The fixture is placed on the ground or a base surface using a bracket. A heat exchanger clamping assembly holds and fixes the heat exchanger, placing it on the top surface of a first base with the copper tube ends facing a second base. A first drive assembly moves a second clamping plate towards the first clamping plate, clamping and fixing the heat exchanger to the first base. A water collector clamping assembly holds and fixes the water collector, placing the end of the water collector into a clamping groove at the top of the clamping frame. Two fastening bolts secure the end of the water collector in the clamping groove, with multiple branch pipes of the water collector facing the first base. A second drive assembly moves a first platform along the second base, adjusting its position. A third drive assembly then moves the second platform along the first platform, adjusting its position. A lifting assembly raises and lowers the third platform, adjusting the height of the clamping groove and the water collector. This allows the multiple branch pipes of the water collector to align with the copper tube ends of the heat exchanger, facilitating welding operations, reducing welding difficulty, ensuring more stable welding quality, and improving product quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the water collection head welding positioning tool of this utility model;

[0016] Figure 2 This is a top view of the heat exchanger clamping assembly in one embodiment of the water collection head welding positioning fixture of this utility model;

[0017] Figure 3 This is a top view of the second base in one embodiment of the water collection head welding positioning fixture of this utility model;

[0018] Figure 4 This is a top view of the first platform in one embodiment of the water collection head welding positioning fixture of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the second and third platforms in one embodiment of the water collection head welding positioning fixture of this utility model;

[0020] Figure 6 This is a partial structural diagram of the clamping frame in one embodiment of the water collection head welding positioning fixture of this utility model;

[0021] Figure 7 This is a schematic diagram of the fastening bolts in one embodiment of the water collection head welding positioning fixture of this utility model.

[0022] Component designation:

[0023] 100 Bracket; 110 Top Plate; 120 Support Leg; 200 Heat Exchanger Clamping Assembly; 210 First Base; 211 First Slide Rail; 212 First Mounting Slot; 220 First Clamping Plate; 230 Second Clamping Plate; 231 First Slider; 232 First Slide Block; 240 First Drive Assembly; 241 First Drive Motor; 242 First Lead Screw; 250 First Soft Pad; 300 Water Collector Head Clamping Assembly; 310 Second Base; 311 Second Slide Rail; 312 Second Mounting Slot; 320 First Platform; 321 Third Mounting Slot; 322 Third Slide Rail Rail; 330 Second drive assembly; 331 Second drive motor; 332 Second lead screw; 340 Second platform; 341 Third slide; 342 Third slide groove; 343 Fourth drive motor; 344 Fourth lead screw; 345 End plate; 346 Push plate; 350 Third drive assembly; 351 Third drive motor; 352 Third lead screw; 360 Lifting assembly; 361 Scissor lift structure; 370 Third platform; 380 Clamping frame; 381 Clamping groove; 382 Fastening bolt; 383 Pressure plate; 384 Second soft pad; 400 Heat exchanger. Detailed Implementation

[0024] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0025] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0026] Please see Figures 1 to 7 This utility model provides a water collection head welding positioning fixture, which includes: a bracket 100, a heat exchanger clamping assembly 200 and a water collection head clamping assembly 300. The heat exchanger clamping assembly 200 includes a first base 210, which is fixedly installed on one end of the top surface of the bracket 100. A first clamping plate 220 and a second clamping plate 230 are respectively provided on both sides of the top surface of the first base 210. The bottom of the first clamping plate 220 is fixedly connected to the top surface of the first base 210, and the bottom of the second clamping plate 230 is slidably connected to the top surface of the first base 210. A first driving assembly 240 is provided on the first base 210, which is drivenly connected to the second clamping plate 230 and is used to drive the second clamping plate 230 to move toward or away from the first clamping plate 220. The water collection head clamping assembly 300 includes a second base 310, which is fixedly installed at the other end of the top surface of the bracket 100. A first platform 320 is slidably mounted on the top of the second base 310. A second driving assembly 330 is provided on the second base 310, which is drivingly connected to the first platform 320 and used to drive the first platform 320 to move toward or away from the first base 210. The extension direction of the first platform 320 is perpendicular to the movement direction of the first platform 320. The top of the first platform 320 is along the first platform 210. A second platform 340 is slidably mounted in the extension direction of the first platform 320. A third drive assembly 350 is provided on the first platform 320. The third drive assembly 350 is drivenly connected to the second platform 340 and is used to drive the second platform 340 to move along the extension direction of the first platform 320. A lifting assembly 360 is installed on the top of the second platform 340. A third platform 370 is installed on the top of the lifting assembly 360. A clamping frame 380 is provided on the top of the third platform 370. A clamping groove 381 is provided on the top of the clamping frame 380. A fastening bolt 382 is provided on each side of the clamping groove 381.

[0027] The bracket 100 of this utility model is placed on the ground or base surface. The heat exchanger 400 is clamped and fixed by the heat exchanger clamping assembly 200. The heat exchanger 400 is placed on the top surface of the first base 210, and the copper tube end on the heat exchanger 400 faces the second base 310. The first drive assembly 240 is controlled to drive the second clamping plate 230 to move toward the first clamping plate 220. The heat exchanger 400 is clamped and fixed on the first base 210 by the first clamping plate 220 and the second clamping plate 230. The water collector head is clamped and fixed using the water collector head clamping assembly 300. The end of the water collector head is placed into the clamping groove 381 at the top of the clamping frame 380, and the end of the water collector head is clamped and fixed in the clamping groove 381 using two fastening bolts 382. The multiple branch pipes of the water collector head are oriented towards the first base 210. The second drive assembly 330 is controlled to drive the first platform 320 to move along the second base 310 and adjust the position of the first platform 320. The third drive assembly 350 is controlled to drive the second platform 340 to move along the first platform 320 and adjust the position of the second platform 340. The lifting assembly 360 is controlled to drive the third platform 370 to rise and fall, and adjust the height of the clamping groove 381 and the water collector head. This allows the multiple branch pipes of the water collector head to mate with the copper pipe ends at the end of the heat exchanger 400, facilitating welding operations for workers, reducing the difficulty of welding operations, making the welding quality more stable, and improving the quality of the product.

[0028] Please see Figure 1 In one example of the water collection head welding positioning fixture of this utility model, the bracket 100 includes a top plate 110 and a plurality of legs 120. The tops of the plurality of legs 120 are fixedly connected to the bottom surface of the top plate 110, and the plurality of legs 120 are evenly distributed along the bottom edge of the top plate 110.

[0029] Please see Figure 1 and Figure 2In one example of the water collection head welding positioning fixture of this utility model, the first base 210 is fixedly installed at one end of the top surface of the top plate 110. The top surface of the first base 210 is provided with two first sliding grooves 211. The extending direction of the first sliding grooves 211 is perpendicular to the first clamping plate 220. The bottom of the second clamping plate 230 is provided with two first sliders 231. The two first sliders 231 are slidably installed in the two first sliding grooves 211 respectively. The first drive assembly 240 includes a first drive motor 241, which is fixedly mounted on the side wall of the first base 210. A first mounting groove 212 is provided on the top of the first base 210 between the two first sliding grooves 211, extending along the first sliding groove 211. A first lead screw 242 is rotatably mounted within the first mounting groove 212, extending along the first mounting groove 212. One end of the first lead screw 242 is fixedly connected to the output end of the first drive motor 241. A first slide block 232 is provided at the bottom of the second clamping plate 230, slidingly mounted within the first mounting groove 212. The first slide block 232 is threadedly connected to the first lead screw 242. A first soft pad 250 is provided on the opposing surfaces of the first clamping plate 220 and the second clamping plate 230, extending along either the first clamping plate 220 or the second clamping plate 230. When the second clamping plate 230 is moved, the first drive motor 241 is controlled to drive the first lead screw 242 to rotate. The first lead screw 242 drives the first slide block 232 to drive the second clamping plate 230 to slide along the first slide groove 211.

[0030] Please see Figure 1 and Figure 3In one example of the welding positioning fixture for the water collection head of this utility model, the second base 310 is fixedly installed on the other end of the top surface of the top plate 110. Two second slide rails 311 are provided on the top surface of the second base 310 along its extending direction. Two second sliding grooves are provided on the bottom surface of the first platform 320, and the two second sliding grooves are slidably connected to the two second slide rails 311 respectively. The second drive assembly 330 includes a second drive motor 331, which is fixedly installed on the side wall of the second base 310. A second mounting groove 312 is provided in the middle of the top surface of the second base 310 along its extending direction. A second lead screw 332 is rotatably installed in the second mounting groove 312 along its extending direction. One end of the second lead screw 332 is fixedly connected to the output end of the second drive motor 331. A second sliding block is provided at the bottom of the first platform 320, and the second sliding block is slidably installed in the second mounting groove 312. The second sliding block is threadedly connected to the second lead screw 332. When the first platform 320 is moved, the second drive motor 331 is controlled to drive the second lead screw 332 to rotate. The second lead screw 332 drives the second slide block to drive the first platform 320 to slide along the second slide rail 311.

[0031] Please see Figure 1 and Figure 4 In one example of the welding positioning fixture for the water collection head of this utility model, the third drive assembly 350 includes a third drive motor 351, which is fixedly installed on the side wall of the first platform 320. A third mounting groove 321 is provided in the middle of the top surface of the first platform 320 along the extension direction of the first platform 320. A third slide rail 322 is provided on the top surface of the first platform 320 on both sides of the third mounting groove 321. A third lead screw 352 is rotatably installed in the third mounting groove 321 along the extension direction of the third mounting groove 321. One end of the third lead screw 352 is fixedly connected to the output end of the third drive motor 351. A third slide block 341 and two third slide grooves 342 are provided on the bottom surface of the second platform 340. The two third slide grooves 342 are slidably connected to the two third slide rails 322 respectively. The third slide block 341 is slidably installed in the third mounting groove 321. The third slide block 341 is threadedly connected to the third lead screw 352. When the second platform 340 is moved, the third drive motor 351 is controlled to drive the third lead screw 352 to rotate. The third lead screw 352 drives the third slide block 341 to drive the second platform 340 to slide along the third slide rail 322.

[0032] Please see Figures 5 to 7In one example of the welding and positioning fixture for the water collection head of this utility model, the lifting assembly 360 includes a scissor lift structure 361. A fourth drive motor 343 is provided on the top of the second platform 340. The output end of the fourth drive motor 343 is fixedly connected to one end of a fourth lead screw 344. The other end of the fourth lead screw 344 is rotatably connected to an end plate 345. The bottom of the end plate 345 is fixedly connected to the top surface of the second platform 340. A push plate 346 is threaded through and connected to the fourth lead screw 344. The push plate 346 is fixedly connected to the first leg assembly of the scissor lift structure 361 and is used to drive the two ends of the first leg assembly to slide along the top surface of the second platform 340 and the bottom surface of the third platform 370, respectively. A pressure plate 383 is rotatably mounted on the opposing surfaces of the two fastening bolts 382. A second soft pad 384 is provided on the opposing surfaces of the two pressure plates 383. When driving the third platform 370 to rise and fall, the fourth drive motor 343 is controlled to drive the fourth lead screw 344 to rotate. The fourth lead screw 344 drives the push plate 346 to drive the first support leg assembly to slide, thereby driving the scissor lift structure 361 to drive the third platform 370 to rise and fall.

[0033] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A welding and positioning fixture for a water collection head, characterized in that, include: support; A heat exchanger clamping assembly includes a first base, which is fixedly installed at one end of the top surface of the bracket. A first clamping plate and a second clamping plate are respectively provided on both sides of the top surface of the first base. The bottom of the first clamping plate is fixedly connected to the top surface of the first base, and the bottom of the second clamping plate is slidably connected to the top surface of the first base. A first driving assembly is provided on the first base, which is drivingly connected to the second clamping plate and used to drive the second clamping plate to move toward or away from the first clamping plate. A water collection head clamping assembly includes a second base, which is fixedly installed at the other end of the top surface of a bracket. A first platform is slidably mounted on the top of the second base. A second drive assembly is provided on the second base and is drivenly connected to the first platform to drive the first platform to move toward or away from the first base. The extension direction of the first platform is perpendicular to the movement direction of the first platform. A second platform is slidably mounted on the top of the first platform along the extension direction of the first platform. A third drive assembly is provided on the first platform and is drivenly connected to the second platform to drive the second platform to move along the extension direction of the first platform. A lifting assembly is installed on the top of the second platform, and a third platform is installed on the top of the lifting assembly. A clamping frame is provided on the top of the third platform, and a clamping groove is provided on the top of the clamping frame. A fastening bolt is provided on each side of the clamping groove.

2. The water collection head welding positioning fixture as described in claim 1, characterized in that, The support includes a top plate and several legs. The tops of the legs are fixedly connected to the bottom surface of the top plate, and the legs are evenly distributed along the bottom edge of the top plate.

3. The water collection head welding positioning fixture as described in claim 2, characterized in that, The first base is fixedly installed at one end of the top surface of the top plate. The top surface of the first base is provided with two first sliding grooves. The extension direction of the first sliding grooves is perpendicular to the first clamping plate. The bottom of the second clamping plate is provided with two first sliders. The two first sliders are slidably installed in the two first sliding grooves respectively.

4. The water collection head welding positioning fixture as described in claim 3, characterized in that, The first drive assembly includes a first drive motor, which is fixedly mounted on the side wall of the first base. A first mounting groove is provided on the top of the first base between the two first sliding grooves along the extension direction of the first sliding groove. A first lead screw is rotatably mounted in the first mounting groove along the extension direction of the first mounting groove. One end of the first lead screw is fixedly connected to the output end of the first drive motor. A first slide is provided at the bottom of the second clamping plate. The first slide is slidably mounted in the first mounting groove and is threadedly connected to the first lead screw.

5. The water collection head welding positioning fixture as described in claim 4, characterized in that, A first soft pad is provided on the surface of the first clamping plate and the second clamping plate respectively, and the first soft pad is provided along the extension direction of the first clamping plate or the second clamping plate.

6. The water collection head welding positioning fixture as described in claim 2, characterized in that, The second base is fixedly installed at the other end of the top surface of the top plate. Two second slide rails are provided on the top surface of the second base along the extension direction of the second base. Two second slide grooves are provided on the bottom surface of the first platform. The two second slide grooves are slidably connected to the two second slide rails respectively.

7. The water collection head welding positioning fixture as described in claim 6, characterized in that, The second drive assembly includes a second drive motor, which is fixedly mounted on the side wall of the second base. A second mounting groove is provided in the middle of the top surface of the second base along the extension direction of the second base. A second lead screw is rotatably mounted in the second mounting groove along the extension direction of the second mounting groove. One end of the second lead screw is fixedly connected to the output end of the second drive motor. A second slide is provided at the bottom of the first platform. The second slide is slidably mounted in the second mounting groove. The second slide is threadedly connected to the second lead screw.

8. The water collection head welding positioning fixture as described in claim 6, characterized in that, The third drive assembly includes a third drive motor, which is fixedly mounted on the side wall of the first platform. A third mounting groove is provided in the middle of the top surface of the first platform along the extension direction of the first platform. A third slide rail is provided on the top surface of the first platform on both sides of the third mounting groove. A third lead screw is rotatably mounted in the third mounting groove along the extension direction of the third mounting groove. One end of the third lead screw is fixedly connected to the output end of the third drive motor. A third slide block and two third slide grooves are provided on the bottom surface of the second platform. The two third slide grooves are slidably connected to the two third slide rails respectively. The third slide block is slidably mounted in the third mounting groove. The third slide block is threadedly connected to the third lead screw.

9. The water collection head welding positioning fixture as described in claim 8, characterized in that, The lifting assembly includes a scissor lift structure. A fourth drive motor is provided on the top of the second platform. The output end of the fourth drive motor is fixedly connected to one end of a fourth lead screw. The other end of the fourth lead screw is rotatably connected to an end plate. The bottom of the end plate is fixedly connected to the top surface of the second platform. A push plate is threaded through and connected to the fourth lead screw. The push plate is fixedly connected to the first support leg assembly of the scissor lift structure and is used to drive the two ends of the first support leg assembly to slide along the top surface of the second platform and the bottom surface of the third platform, respectively.

10. The water collection head welding positioning fixture as described in claim 1, characterized in that, A pressure plate is rotatably mounted on the opposing surfaces of the two fastening bolts, and a second soft pad is provided on the opposing surfaces of the two pressure plates.

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