Welding positioning device for heat exchange copper pipe of air conditioner

Abstract

The utility model relates to the field of copper pipe welding, in particular to a welding positioning device for an air conditioner heat exchange copper pipe, and adopts the technical scheme that the welding positioning device for the air conditioner heat exchange copper pipe comprises a movable frame, a water tank box, pipeline fixing buckles, movable wheels, a bearing box cover, a first supporting rod, a second supporting rod, a movable block, a first bolt and a second bolt, the movable block and the second supporting rod which are movably adjusted up and down and left and right along the outer wall of the first supporting rod and the inner wall of the second movable groove and the inner wall of the second sliding groove are matched with the first bolt and the second bolt so that the welding requirements of copper pipes of different specifications can be met, and then the servo motor is used for driving the lead screw to drive the bearing box cover to automatically move outwards. And the bearing box cover is moved away from the upper end of the water pool box, so that a user can conveniently clean the water pool box, and the problems that according to an existing copper pipe welding positioning device, the copper pipe positioning range is difficult to adjust according to the welding requirements of copper pipes of different specifications, and a water cooling pool is inconvenient to clean are solved.

Description

Technical Field

[0001] The utility model belongs to the field of copper tube welding, and in particular relates to a welding positioning device for air-conditioning heat exchange copper tubes. Background Art

[0002] The heat exchange copper tube of the air conditioner is a vital component in the air conditioning system. It is usually used in the evaporator and condenser of the air conditioner and undertakes the heat exchange function. The heat exchange copper tube is widely used in the heat exchanger of the air conditioner due to its excellent thermal conductivity, corrosion resistance and plasticity, helping the air conditioner to achieve effective heat transfer.

[0003] Existing air conditioning heat exchange components are often formed by welding copper tubes together. After welding, the copper tubes need to be installed on other components of the air conditioner outdoor unit, such as a heat exchanger or a compressor, so they have specific shapes and sizes. The traditional welding positioning device has a very limited range of load-bearing and positioning of the copper tube, which makes it difficult to meet the needs of welding and positioning of heat exchange copper tubes of different specifications or specific shapes. In addition, general welding positioning devices are usually equipped with a slag cooling structure, which is generally a water tank box. The structure of the water tank box is relatively fixed, and there is often a positioning structure on it to support the copper tube, which makes it difficult for users to use other cleaning tools to efficiently clean the slag cooling structure after the copper tube is welded.

[0004] Therefore, in view of the problems that the above-mentioned existing copper tube welding positioning device is difficult to adjust the positioning range of the copper tube according to the needs of welding copper tubes of different specifications, and its water cooling pool is not convenient to clean, a welding positioning device for air-conditioning heat exchange copper tubes is developed. By adding up and down, left and right threaded adjustment structures and an automatic outward movement structure of the cooling water tank to the copper tube welding positioning device, the copper tube welding positioning device can flexibly adjust the positioning position of the copper tube according to the needs of welding heat exchange copper tubes of different specifications, and workers can clean the water cooling pool efficiently and conveniently. Utility Model Content

[0005] In order to overcome the problems that the existing copper tube welding positioning device is difficult to adjust the copper tube positioning range according to the needs of welding copper tubes of different specifications, and its water cooling pool is not easy to clean.

[0006] The technical scheme of the utility model is as follows: a welding positioning device for an air-conditioning heat exchange copper pipe comprises a movable frame and a pool box, and also comprises a bearing box cover, a first support rod, a second support rod, a movable block, a first bolt and a second bolt, the front and rear ends of the peripheral frame are respectively fixedly connected with a first extension frame and a second extension frame which are symmetrically distributed on the left and right sides, a screw rod is automatically installed between the first extension frames, a motor slot is provided at the front end edge of the peripheral frame, a servo motor is fixedly connected in the motor slot, an output end of the servo motor passes through the first extension frame and is connected with the screw rod, a guide rail is fixedly connected between the second extension frames, a limiting slot is provided through the front and rear ends of the peripheral frame, a threaded sleeve and a sliding sleeve which are symmetrically distributed on the left and right sides are respectively fixedly connected at the front and rear ends of the bearing box cover, a first slider which is symmetrically distributed on the front and rear sides is fixedly connected to the outer wall of the first support rod, a second slider which is symmetrically distributed up and down is fixedly connected to the outer wall of the second support rod, a clamping block is fixedly connected to the right end of the second support rod, a first movable slot and a second movable slot are respectively provided through the upper and left edges of the movable block, a second slide slot is provided at the front and rear ends of the first movable slot, and a first slide slot which is symmetrically distributed up and down is provided on the inner wall of the second movable slot.

[0007] Preferably, the movable block is arranged on the outer wall of the first support rod, the inner wall of the first movable groove is in contact with the outer wall of the first support rod, and the second sliding groove is adapted to the first sliding block.

[0008] Preferably, the second support rod is arranged on the inner wall of the second movable groove, and the first sliding groove is adapted to the second sliding block.

[0009] Preferably, a second screw groove is formed through the rear end of the movable block, a first screw groove is formed through the left end of the movable block, the first bolt is threadedly installed in the second screw groove, and the second bolt is threadedly installed in the first screw groove.

[0010] Preferably, the first screw groove is connected to the first movable groove, the second screw groove is connected to the second movable groove, the front end of the first bolt is in contact with the outer wall of the first support rod, and the right end of the second bolt is in contact with the outer wall of the second support rod.

[0011] Preferably, the inner wall of the limiting groove fits with the outer walls of the threaded sleeve and the sliding sleeve, the inner wall of the sliding sleeve fits with the outer wall of the guide rail, and the threaded sleeve is adapted to the screw thread.

[0012] Preferably, moving wheels with self-locking structures are fixedly connected to the four corner edges of the lower end of the moving frame, and a water pump is installed on the bottom frame of the moving frame, and the water pump is connected to the water tank through a water pipe.

[0013] Preferably, the outer frame is fixed to the upper end of the mobile frame, and a support frame that is obliquely installed and symmetrically distributed front and back is fixed to the lower edge of the outer frame, and the lower end of the support frame is fixed to the left end of the mobile frame.

[0014] Preferably, a water tank box is fixedly connected to the center of the upper end of the movable frame, and a bearing box cover is arranged at the upper end of the water tank box, and the bearing box cover is arranged on the inner wall of the outer frame.

[0015] Preferably, a plurality of groups of first support rods are threadedly mounted on the upper end of the bearing box cover, and pipeline fixing buckles are arranged between the plurality of groups of first support rods.

[0016] Preferably, the upper end of the carrier box cover is penetrated by a second trough body and a first trough body distributed on the left and right, the upper end of the carrier box cover is fixedly connected to three groups of pipe clamps distributed equidistantly around the first trough body, and the upper edge of the carrier box cover is fixedly connected to a mounting base.

[0017] Beneficial effects of the utility model:

[0018] 1. Through a plurality of groups of movable blocks that can be adjusted up and down along the outer wall of the first support rod and the first sliding block, and a plurality of groups of second support rods that can be adjusted to slide left and right along the inner wall of the second movable groove and the second sliding groove on the movable block, the copper tube bearing position of the clamping block on the second support rod can be flexibly adjusted up and down and left and right as needed, and the movable block and the second support rod after displacement adjustment are threadedly positioned by the first bolt and the second bolt, so as to meet the needs of welding copper tubes of different specifications;

[0019] 2. The servo motor drives the screw rod to drive the threaded sleeve and the bearing box cover to move outward in the left and right directions along the outer wall of the guide rail and the inner wall of the outer frame, so that the bearing box cover is moved away from the upper end of the pool box, so that the user can clean the pool box;

[0020] 3. The first slot body and the second slot body on the bearing box cover can allow the welding slag during copper pipe welding to fall into the water tank for cooling, so as to avoid high-temperature welding slag from falling and sticking to the bearing box cover or scalding the welder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure schematic diagram of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0022] Figure 2 The three-dimensional structure of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0023] Figure 3 The three-dimensional structure diagram of the moving frame, moving wheels and water pump of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0024] Figure 4 The schematic diagram of the three-dimensional structure of the peripheral frame, the lead screw and the servo motor of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0025] Figure 5 The three-dimensional structure diagram of the outer frame of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0026] Figure 6 The schematic diagram of the three-dimensional structure of the water tank box and the bearing box cover of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0027] Figure 7 Shown is a schematic diagram of the three-dimensional structure of the first support rod of the welding positioning device for the air-conditioning heat exchange copper tube of the utility model;

[0028] Figure 8 The schematic diagram of the three-dimensional structure of the second support rod, the movable block, the first bolt and the second bolt of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0029] Fig. 9 The three-dimensional structure schematic diagram of the movable block of the welding positioning device for the heat exchange copper tube of the air conditioner of the utility model is shown;

[0030] Fig.10 What is shown is a three-dimensional structural schematic diagram of a heat exchange copper tube installed on a welding positioning device for an air-conditioning heat exchange copper tube of the utility model.

[0031] Explanation of the reference numerals: 1-movable frame; 2-water tank box; 3-bearing box cover; 4-first support rod; 5-pipe fixing buckle; 6-movable wheel; 7-water pipe; 8-water pump; 9-outer frame; 10-limiting groove; 11-support frame; 12-first extension frame; 13-screw rod; 14-servo motor; 15-motor groove; 16-second extension frame; 17-guide rail; 18-mounting base; 19-sliding sleeve; 20-pipe clamp block; 21-first trough body; 22-second trough body; 23-threaded sleeve; 24-first slider; 25-clamping block; 26-second support rod; 27-second slider; 28-first bolt; 29-second bolt; 30-first movable groove; 31-movable block; 32-second movable groove; 33-first slide groove; 34-second slide groove; 35-first screw groove; 36-second screw groove. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0033] See also Figure 1-Figure 10The utility model provides an embodiment: a welding positioning device for heat exchange copper pipes of an air conditioner, comprising a movable frame 1 and a pool box 2, and also comprising a bearing box cover 3, a first support rod 4, a second support rod 26, a movable block 31, a first bolt 28 and a second bolt 29. The front and rear ends of the outer frame 9 are respectively fixedly connected with a first extension frame 12 and a second extension frame 16 symmetrically distributed on the left and right, and a screw rod 13 is automatically installed between the first extension frames 12. A motor slot 15 is opened at the front edge of the outer frame 9, and a servo motor 14 is fixedly connected in the motor slot 15. The output end of the servo motor 14 passes through the first extension frame 12 and is connected to the screw rod 13. The second extension frame 16 is fixedly connected between the first extension frame 12 and the second extension frame 16. There is a guide rail 17, and limiting grooves 10 are penetrated at the front and rear ends of the outer frame 9. The front and rear ends of the bearing box cover 3 are respectively fixed with threaded sleeves 23 and sliding sleeves 19 that are symmetrically distributed on the left and right. The outer wall of the first support rod 4 is fixed with a first sliding block 24 that is symmetrically distributed on the front and rear, and the outer wall of the second support rod 26 is fixed with a second sliding block 27 that is symmetrically distributed up and down. The right end of the second support rod 26 is fixed with a clamping block 25. The upper and left ends of the movable block 31 are respectively penetrated with a first movable groove 30 and a second movable groove 32. The front and rear ends of the first movable groove 30 are provided with a second sliding groove 34, and the inner wall of the second movable groove 32 is provided with a first sliding groove 33 that is symmetrically distributed up and down.

[0034] By means of a plurality of groups of movable blocks 31 that can be adjusted up and down along the outer wall of the first support rod 4 and the first slide block 24, the copper tube bearing height of the clamping block 25 on the second support rod 26 can be flexibly adjusted in the up and down direction, and a plurality of groups of second support rods 26 that can slide left and right along the inner wall of the second movable groove 32 and the second slide groove 34 on the movable block 31 can flexibly adjust the copper tube bearing position of the clamping block 25 in the left and right direction, and the first bolts 28 and the second bolts 29 can adjust the movable block 31 that moves up and down and the second support rod 26 that moves left and right. The positioning and fixing can meet the needs of welding copper tubes of different specifications, and then the servo motor 14 is used to drive the screw rod 13 to drive the threaded sleeve 23 and the supporting box cover 3 to move outward in the left and right directions along the inner wall of the limiting groove 10 and the outer frame 9, so that the supporting box cover 3 is removed from the upper end of the water pool box 2, so as to facilitate the user to clean the inner wall of the water pool box 2 after the copper tube welding is completed. The first groove body 21 and the second groove body 22 on the supporting box cover 3 can make the welding slag during the copper tube welding fall into the water pool box 2 for cooling, so as to avoid the high-temperature welding slag falling and sticking to the supporting box cover 3 or scalding the welding personnel.

[0035] See also Figure 7-10In the present embodiment, the movable block 31 is arranged on the outer wall of the first support rod 4, the inner wall of the first movable groove 30 is in contact with the outer wall of the first support rod 4, and the second slide groove 34 is adapted to the first slider 24. When in use, the first slider 24 cooperates with the second slide groove 34 to limit the movable block 31 that is slidably adjusted up and down along the outer wall of the first support rod 4, so as to improve the stability of the movable block 31 during the up and down displacement adjustment. The second support rod 26 is arranged on the inner wall of the second movable groove 32, and the first slide groove 33 is adapted to the second slider 27. When in use, the first slide groove 33 and the second slider 27 can limit the second support rod 26 that is slidably displaced left and right along the second movable groove 32 in the movable block 31, so as to improve the stability of the clamping block 25 on the second support rod 26 for left and right displacement adjustment. The rear end of the movable block 31 is penetrated by a second screw groove 3 6. A first screw groove 35 is formed through the left end of the movable block 31. The first bolt 28 is threadedly installed in the second screw groove 36. The second bolt 29 is threadedly installed in the first screw groove 35. When in use, the first bolt 28 and the second bolt 29 can position and fix the movable block 31 that is movable up and down and the second support rod 26 that is movable left and right. The first screw groove 35 is connected to the first movable groove 30, and the second screw groove 36 is connected to the second movable groove 32. The front end of the first bolt 28 is in contact with the outer wall of the first support rod 4, and the right end of the second bolt 29 is in contact with the outer wall of the second support rod 26. When in use, the first screw groove 35, the first movable groove 30, the second screw groove 36, and the second movable groove 32 that are connected to each other can enable the first bolt 28 and the second bolt 29 to position and fix the movable and adjustable second support rod 26 and the movable block 31.

[0036] See also Figure 4-Figure 6 In this embodiment, the inner wall of the limit groove 10 fits with the outer walls of the threaded sleeve 23 and the sliding sleeve 19, the inner wall of the sliding sleeve 19 fits with the outer wall of the guide rail 17, and the threaded sleeve 23 is threadably adapted to the screw rod 13. When in use, the threaded sleeve 23 and the sliding sleeve 19 that fit with the inner wall of the limit groove 10 can provide additional limiting assistance to the bearing box cover 3 that slides to the left and right, thereby improving the stability of the bearing box cover 3 when adjusting the left and right displacement.

[0037] See also Figure 3-Figure 6In this embodiment, moving wheels 6 with a locking structure are fixedly connected to the four corner edges of the lower end of the mobile frame 1. A water pump 8 is installed on the bottom frame of the mobile frame 1. The water pump 8 is connected to the water tank box 2 through a water pipe 7. When in use, the water pump 8 can transport external water to the inner wall of the water tank box 2 through the water pipe 7 to cool and collect the welding slag. The outer frame 9 is fixedly connected to the upper end of the mobile frame 1. A support frame 11 that is installed obliquely and symmetrically distributed front and back is fixedly connected to the lower end edge of the outer frame 9. The lower end of the support frame 11 is fixedly connected to the left end of the mobile frame 1. When in use, the support frame 11 can support the left side of the outer frame 9 that exceeds the support range of the mobile frame 1 to assist in supporting so as to improve the stability of the outer frame 9 fixed on the mobile frame 1. The upper center of the mobile frame 1 is fixedly connected to the water tank box 2. 2 is provided with a supporting box cover 3 at the upper end, and the supporting box cover 3 is arranged on the inner wall of the outer frame 9. When in use, a discharge pipe is provided at the lower end of the pool box 2 to discharge the sewage therein. A plurality of groups of first support rods 4 are threadedly installed on the upper end of the supporting box cover 3, and pipe fixing buckles 5 are arranged between the plurality of groups of first support rods 4. When in use, the pipe fixing buckles 5 can perform preliminary positioning of the key nodes of the welded copper pipe. The upper end of the supporting box cover 3 is penetrated by a second trough body 22 and a first trough body 21 distributed on the left and right. The upper end of the supporting box cover 3 is fixedly connected with three groups of pipe clamps 20 distributed equidistantly around the first trough body 21. A mounting base 18 is fixedly connected to the upper end edge of the supporting box cover 3. When in use, the pipe clamps 20 can assist in positioning the welded copper pipe in contact with the surface of the supporting box cover 3.

[0038] When in use, the cooling water is transported to the water tank box 2 through the water pipe 7 by the water pump 8, and then the radiator of the air conditioner heat exchanger is installed on the mounting base 18, and the heat exchange copper pipe is first placed on the pipe clamp block 20, and the key nodes of the heat exchange copper pipe are preliminarily positioned with the pipe fixing buckle 5;

[0039] Next, the first bolt 28 and the second bolt 29 are screwed to be taken out from the second screw groove 36 and the first screw groove 35, and then the movable block 31 is pushed to move up and down along the outer wall of the first support rod 4 and the first slide block 24 to a suitable position according to the need of the heat exchange copper tube welding support, and the second support rod 26 is continued to be pushed to move left and right along the inner wall of the second movable groove 32 and the first slide groove 33 to a suitable position, so that the clamping block 25 supports and positions the outer wall of the heat exchange copper tube, and then the first bolt 28 and the second bolt 29 are screwed back, and the heat exchange copper tube is welded by the welding personnel;

[0040] During welding, the welding slag produced by the welding will fall along the inner walls of the first tank body 21 and the second tank body 22 into the water tank box 2 for cooling;

[0041] After welding is completed, the servo motor 14 is started, and the servo motor 14 drives the screw rod 13 to drive the threaded sleeve 23, the sliding sleeve 19 and the supporting box cover 3 to move outward to the right along the outer wall of the guide rail 17, the inner wall of the outer frame 9 and the inner wall of the limiting groove 10, so that the supporting box cover 3 is removed from the upper end of the water pool box 2, so that the user can clean the water pool box 2, and after cleaning, the supporting box cover 3 can be reset to the upper end of the water pool box 2 as described above.

[0042] Through the above steps, by using a plurality of groups of movable blocks 31 that can be adjusted up and down along the outer wall of the first support rod 4 and the first sliding block 24, and cooperating with a plurality of groups of second support rods 26 that can be adjusted to slide left and right along the inner wall of the second movable groove 32 and the second slide groove 34 on the movable block 31, the copper tube bearing position of the clamping block 25 on the second support rod 26 can be flexibly adjusted up and down and left and right as needed, and the movable block 31 and the second support rod 26 after displacement adjustment are threadedly positioned by the first bolt 28 and the second bolt 29, so as to meet the needs of welding copper tubes of different specifications, and then the servo motor 14 is used to drive the screw rod 1 3 drives the threaded sleeve 23 and the bearing box cover 3 to move outward in the left and right directions along the outer wall of the guide rail 17 and the inner wall of the outer frame 9, so that the bearing box cover 3 is removed from the upper end of the water pool box 2, so that the user can clean the water pool box 2, and the first groove body 21 and the second groove body 22 on the bearing box cover 3 can make the welding slag of the copper pipe fall into the water pool box 2 for cooling, so as to avoid the high-temperature welding slag from falling and sticking to the bearing box cover 3 or scalding the welding personnel, and solves the problem that the existing copper pipe welding positioning device is difficult to adjust the copper pipe positioning range according to the needs of welding copper pipes of different specifications, and its water cooling pool is not easy to clean.

[0043] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A welding positioning device for an air-conditioning heat exchange copper tube, comprising a movable frame (1) and a water tank box (2), characterized in that: The outer frame (9) further comprises a bearing box cover (3), a first support rod (4), a second support rod (26), a movable block (31), a first bolt (28) and a second bolt (29); the front and rear ends of the outer frame (9) are respectively fixedly connected with a first extension frame (12) and a second extension frame (16) which are symmetrically distributed on the left and right; a lead screw (13) is automatically installed between the first extension frames (12); a motor slot (15) is opened at the front edge of the outer frame (9); a servo motor (14) is fixedly connected in the motor slot (15); an output end of the servo motor (14) passes through the first extension frame (12) and is connected to the lead screw (13); a guide rail (17) is fixedly connected between the second extension frames (16); the front and rear ends of the outer frame (9) pass through A limit groove (10) is provided, and the front and rear ends of the bearing box cover (3) are respectively fixedly connected with a threaded sleeve (23) and a sliding sleeve (19) which are symmetrically distributed on the left and right sides. The outer wall of the first support rod (4) is fixedly connected with a first sliding block (24) which is symmetrically distributed on the front and rear sides. The outer wall of the second support rod (26) is fixedly connected with a second sliding block (27) which is symmetrically distributed on the upper and lower sides. The right end of the second support rod (26) is fixedly connected with a clamping block (25). The upper end and left end edges of the movable block (31) are respectively penetrated with a first movable groove (30) and a second movable groove (32). The front and rear ends of the first movable groove (30) are provided with a second sliding groove (34), and the inner wall of the second movable groove (32) is provided with a first sliding groove (33) which is symmetrically distributed on the upper and lower sides.

2. The welding positioning device for heat exchange copper tubes of air conditioners according to claim 1 is characterized in that: The movable block (31) is arranged on the outer wall of the first support rod (4), the inner wall of the first movable groove (30) is in contact with the outer wall of the first support rod (4), and the second sliding groove (34) is adapted to the first sliding block (24).

3. The welding positioning device for the heat exchange copper tube of the air conditioner according to claim 1 is characterized in that: The second support rod (26) is arranged on the inner wall of the second movable groove (32), and the first sliding groove (33) is adapted to the second sliding block (27).

4. The welding positioning device for heat exchange copper tubes of air conditioners according to claim 1 is characterized in that: A second screw groove (36) is formed through the rear end of the movable block (31), a first screw groove (35) is formed through the left end of the movable block (31), a first bolt (28) is threadedly installed in the second screw groove (36), and a second bolt (29) is threadedly installed in the first screw groove (35).

5. The welding positioning device for heat exchange copper tube of air conditioner according to claim 1, characterized in that: The first screw groove (35) is connected to the first movable groove (30), the second screw groove (36) is connected to the second movable groove (32), the front end of the first bolt (28) is in contact with the outer wall of the first support rod (4), and the right end of the second bolt (29) is in contact with the outer wall of the second support rod (26).

6. The welding positioning device for heat exchange copper tubes of air conditioners according to claim 1, characterized in that: The inner wall of the limiting groove (10) fits with the outer walls of the threaded sleeve (23) and the sliding sleeve (19), the inner wall of the sliding sleeve (19) fits with the outer wall of the guide rail (17), and the threaded sleeve (23) is thread-matched with the screw rod (13).

7. The welding positioning device for the heat exchange copper tube of the air conditioner according to claim 1 is characterized in that: Moving wheels (6) with a locking structure are fixedly connected to the four corner edges of the lower end of the moving frame (1). A water pump (8) is installed on the bottom frame of the moving frame (1). The water pump (8) is connected to the water tank (2) through a water pipe (7).

8. The welding positioning device for the heat exchange copper tube of the air conditioner according to claim 1, characterized in that: The outer frame (9) is fixedly connected to the upper end of the mobile frame (1), and a support frame (11) which is installed obliquely and is symmetrically distributed frontward and rearward is fixedly connected to the lower edge of the outer frame (9), and the lower end of the support frame (11) is fixedly connected to the left end of the mobile frame (1).

9. The welding positioning device for heat exchange copper tubes of air conditioners according to claim 1, characterized in that: A water tank box (2) is fixedly connected to the center of the upper end of the movable frame (1), a bearing box cover (3) is arranged at the upper end of the water tank box (2), and the bearing box cover (3) is arranged on the inner wall of the outer frame (9).

10. The welding positioning device for heat exchange copper tubes of air conditioners according to claim 1, characterized in that: A plurality of groups of first support rods (4) are threadedly mounted on the upper end of the bearing box cover (3), and pipe fixing buckles (5) are arranged between the plurality of groups of first support rods (4); a second trough (22) and a first trough (21) are penetrated through the upper end of the bearing box cover (3), and three groups of pipe clamps (20) are equidistantly distributed around the first trough (21) are fixedly connected to the upper end of the bearing box cover (3); and a mounting base (18) is fixedly connected to the upper edge of the bearing box cover (3).

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