Auxiliary tool for positioning and welding central air conditioner gas collecting pipe

Abstract

The utility model discloses a central air conditioner gas collecting pipe positioning welding auxiliary tool which comprises a working table, a plurality of sliding grooves are formed in the upper surface of the working table, sliding blocks are connected in the sliding grooves in a sliding mode, threaded rods are rotationally connected in the sliding grooves, and the threaded rods penetrate through the sliding blocks and are in threaded connection with the sliding blocks. The top of the sliding block is rotationally connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a lower fixing ring, an upper fixing ring is arranged on the top of the lower fixing ring, and a locking assembly is arranged between the lower fixing ring and the upper fixing ring, so that the upper fixing ring and the lower fixing ring are fixed. The auxiliary tool not only can clamp and weld the gas collecting pipes of different sizes, improves the using effect of the auxiliary tool, but also can accurately position and weld the gas collecting pipes, improves the using accuracy of the auxiliary tool, enables the gas collecting pipes not to easily move, and improves the clamping stability of the auxiliary tool on the gas collecting pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of gas collecting pipe welding, in particular to an auxiliary tool for positioning welding of a central air-conditioning gas collecting pipe. Background Art

[0002] Large systems such as central air conditioning are composed of multiple components, among which the gas collecting pipe plays a vital role. It is responsible for connecting the pipelines of different parts to ensure the smooth flow of gas. Therefore, the welding quality of the gas collecting pipe directly affects the operating efficiency and safety of the entire system.

[0003] After searching, it was found that a central air-conditioning collecting pipe positioning welding auxiliary tooling with announcement number CN212043368U is provided with a movable clamp on the adjusting mechanism. The adjusting mechanism can quickly drive the movable clamp and the fixed clamp to approach or separate, so that the air-conditioning pipe can be quickly installed and disassembled, which greatly improves the convenience of installing or disassembling the air-conditioning pipe. However, the size of its clamping part is fixed, and it can only clamp the collecting pipe of fixed size for welding, which leads to limitations in its use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a central air-conditioning air collecting pipe positioning welding auxiliary tool.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A central air conditioning collecting pipe positioning welding auxiliary tooling comprises a workbench, wherein the upper surface of the workbench is provided with a plurality of slide grooves, wherein each of the plurality of slide grooves is slidably connected to a slider, wherein a threaded rod is rotatably connected to the slide groove, and the threaded rod passes through the slider and is threadedly connected to the slider, wherein the top of the slider is rotatably connected to a rotating shaft, wherein the top of the rotating shaft is fixedly connected to a lower fixing ring, an upper fixing ring is provided on the top of the lower fixing ring, a locking assembly is provided between the lower fixing ring and the upper fixing ring to fix the upper fixing ring and the lower fixing ring, wherein two first threaded holes are provided on the bottom of the lower fixing ring, and a second threaded hole is provided on the top of the upper fixing ring, and a screw rod is threadedly connected to the second threaded hole and the two first threaded holes.

[0007] As a further solution of the utility model, the locking assembly includes two first fixing blocks, the two first fixing blocks are respectively fixedly connected to the two sides of the lower fixing ring, the two sides of the upper fixing ring are fixedly connected to the second fixing blocks, the tops of the two second fixing blocks are provided with sockets, screws are inserted in the sockets, and the tops of the two first fixing blocks are provided with threaded holes, and the screws are threadedly connected to the threaded holes.

[0008] As a further solution of the utility model, the bottoms of the two first fixing blocks are fixedly connected with two diagonal support blocks, and the diagonal support blocks are fixed to the lower fixing ring.

[0009] As a further solution of the utility model, both ends of the threaded rod pass through the workbench and are fixedly connected with hexagonal nuts.

[0010] As a further solution of the utility model, one end of each of the plurality of screw rods is fixedly connected with a friction rubber.

[0011] As a further solution of the utility model, two grooves are provided at the bottom of the sliding block, and rollers are rotatably connected in the two grooves.

[0012] As a further solution of the utility model, a pointer is fixedly connected to a position on one side of the sliding block located above the workbench, and a scale is provided on a position on the upper surface of the workbench located on one side of the slide groove.

[0013] As a further solution of the utility model, a plurality of column feet are fixedly connected to the bottom of the workbench, and the plurality of column feet are located at the four corners of the workbench.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the screw rod, after placing the gas collecting pipe between the upper fixing ring and the lower fixing ring, the two gas collecting pipes can be positioned and aligned by moving the slider, so that the gas collecting pipes can be positioned and welded. At the same time, the screw rod can be rotated to clamp the gas collecting pipe. Since the screw rod can be moved, gas collecting pipes of different sizes can be clamped and welded, which improves the use effect of the auxiliary tooling.

[0016] 2. Through the coordinated use of the pointer and the scale, the slider can be accurately moved according to the position of the pointer on the scale during the movement of the slider, so that the gas collecting pipe can be accurately positioned and welded, thereby improving the accuracy of the use of auxiliary tooling.

[0017] 3. Through the setting of the friction rubber, when the screw rod is used to clamp the gas collecting pipe, the friction rubber can increase the friction between the screw rod and the gas collecting pipe, so that the gas collecting pipe will not move easily, thereby improving the stability of the auxiliary tooling in clamping the gas collecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a central air-conditioning air collecting pipe positioning welding auxiliary tooling proposed by the utility model;

[0019] Figure 2It is a partial cross-sectional structural schematic diagram of a central air-conditioning collecting pipe positioning welding auxiliary tooling proposed by the utility model;

[0020] Figure 3 The utility model is a partially enlarged structural schematic diagram of a central air-conditioning air collecting pipe positioning welding auxiliary tooling.

[0021] In the figure: 1. column foot; 2. workbench; 3. hexagonal nut; 4. slide groove; 5. scale; 6. slider; 7. first fixed block; 8. screw; 9. lead screw; 10. upper fixed ring; 11. second fixed block; 12. diagonal support block; 13. friction rubber; 14. lower fixed ring; 15. pointer; 16. threaded rod; 17. roller; 18. rotating shaft. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 A central air conditioning collecting pipe positioning welding auxiliary tooling includes a workbench 2, a plurality of slide grooves 4 are provided on the upper surface of the workbench 2, a slider 6 is slidably connected in each of the plurality of slide grooves 4, a threaded rod 16 is rotatably connected in the slide groove 4, and the threaded rod 16 passes through the slider 6 and is threadedly connected to the slider 6, a rotating shaft 18 is rotatably connected to the top of the slider 6, a lower fixing ring 14 is welded to the top of the rotating shaft 18, an upper fixing ring 10 is provided on the top of the lower fixing ring 14, a locking assembly is provided between the lower fixing ring 14 and the upper fixing ring 10, so that the upper fixing ring 10 and the lower fixing ring 14 are fixed, and two first threaded A hole is provided on the top of the upper fixing ring 10, and a second threaded hole is provided on the top of the upper fixing ring 10. The second threaded hole and the two first threaded holes are threadedly connected with a screw rod 9. A gas collecting pipe is placed on every two lower fixing rings 14, and then the upper fixing ring 10 is placed on the lower fixing ring 14, and the upper fixing ring 10 and the lower fixing ring 14 are locked and fixed by a locking assembly, and then the screw rod 9 is rotated to move the screw rods 9 on the upper fixing ring 10 and the lower fixing ring 14 toward the gas collecting pipe, so as to clamp and fix the gas collecting pipe. Since the screw rod 9 can be moved, gas collecting pipes of different sizes can be clamped and welded, thereby improving the use effect of the auxiliary tooling.

[0024] The locking assembly includes two first fixing blocks 7, which are respectively welded on both sides of the lower fixing ring 14, and second fixing blocks 11 are welded on both sides of the upper fixing ring 10. The tops of the two second fixing blocks 11 are provided with sockets, and screws 8 are inserted into the sockets. The tops of the two first fixing blocks 7 are provided with threaded holes, and the screws 8 are threadedly connected to the threaded holes. The screws 8 are inserted into the sockets, and then the screws 8 are turned to connect the screws 8 to the threaded holes, so as to lock and fix the upper fixing ring 10 and the lower fixing ring 14.

[0025] In the utility model, two diagonal support blocks 12 are welded to the bottom of the two first fixing blocks 7, and the diagonal support blocks 12 are fixed to the lower fixing ring 14. Both ends of the threaded rod 16 pass through the workbench 2 and are welded with hexagonal nuts 3. After being clamped, the threaded rod 16 is rotated by the hexagonal nuts 3, and the threaded rod 16 drives the slider 6 to move along the slide groove 4, and all the sliders 6 move to the same position, so as to position and align the two gas collecting pipes, and position and weld the gas collecting pipes;

[0026] One end of each of the plurality of screw rods 9 is bonded with a friction rubber 13, which can increase the friction between the screw rods 9 and the gas collecting pipe, making the screw rods 9 clamp the gas collecting pipe more stably. Two grooves are provided at the bottom of the slider 6, and rollers 17 are rotatably connected in the two grooves, and the rollers 17 are in contact with the workbench 2. The rollers 17 can reduce the friction when the slider 6 moves. A pointer 15 is welded to one side of the slider 6 above the workbench 2, and a scale 5 is provided on the upper surface of the workbench 2 on one side of the slide groove 4. During the movement of the slider 6, the slider 6 can be accurately moved by the position of the pointer 15 on the scale 5. The bottom of the workbench 2 is fixed with multiple column feet 1 by bolts, and the multiple column feet 1 are located at the four corners of the workbench 2.

[0027] Working principle: When it is needed, place an air collecting pipe on every two lower fixing rings 14, then place the upper fixing ring 10 on the lower fixing ring 14, and connect the screw 8 with the threaded hole to lock and fix the upper fixing ring 10 and the lower fixing ring 14, then rotate the screw rod 9 to move the screw rod 9 on the upper fixing ring 10 and the lower fixing ring 14 toward the air collecting pipe, so as to clamp and fix the air collecting pipe. Since the screw rod 9 can be moved, air collecting pipes of different sizes can be clamped and welded, which improves the use effect of the auxiliary tooling. After clamping, rotate the threaded rod 16 through the hexagonal nut 3, and the threaded rod 16 will drive the slider 6 to move along the slide groove 4, and all the sliders 6 move to the same position, so as to position and align the two air collecting pipes, and position and weld the air collecting pipes.

[0028] In addition, although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A central air conditioning collecting pipe positioning welding auxiliary tool, comprising a workbench (2), characterized in that: The upper surface of the workbench (2) is provided with a plurality of slide grooves (4), and a slider (6) is slidably connected in each of the plurality of slide grooves (4). A threaded rod (16) is rotatably connected in the slide groove (4), and the threaded rod (16) passes through the slider (6) and is threadedly connected to the slider (6). The top of the slider (6) is rotatably connected with a rotating shaft (18), and the top of the rotating shaft (18) is fixedly connected with a lower fixing ring (14). An upper fixing ring (10) is provided at the top of the lower fixing ring (14). A locking assembly is provided between the lower fixing ring (14) and the upper fixing ring (10) so that the upper fixing ring (10) and the lower fixing ring (14) are fixed. Two first threaded holes are provided at the bottom of the lower fixing ring (14), and a second threaded hole is provided at the top of the upper fixing ring (10). A screw rod (9) is threadedly connected in each of the second threaded hole and the two first threaded holes.

2. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 1 is characterized in that: The locking assembly comprises two first fixing blocks (7), the two first fixing blocks (7) are respectively fixedly connected to the two sides of the lower fixing ring (14), the two sides of the upper fixing ring (10) are fixedly connected to the second fixing blocks (11), the tops of the two second fixing blocks (11) are provided with insertion holes, the insertion holes are inserted with screws (8), the tops of the two first fixing blocks (7) are provided with threaded holes, and the screws (8) are threadedly connected to the threaded holes.

3. A central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 2, characterized in that: The bottoms of the two first fixing blocks (7) are fixedly connected to two diagonal support blocks (12), and the diagonal support blocks (12) are fixed to the lower fixing ring (14).

4. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 1 is characterized in that: Both ends of the threaded rod (16) pass through the workbench (2) and are fixedly connected with hexagonal nuts (3).

5. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 1 is characterized in that: One end of each of the plurality of screw rods (9) is fixedly connected to a friction rubber (13).

6. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 1 is characterized in that: The bottom of the sliding block (6) is provided with two grooves, and rollers (17) are rotatably connected in the two grooves.

7. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 6 is characterized in that: A pointer (15) is fixedly connected to a position on one side of the sliding block (6) located above the workbench (2), and a scale (5) is provided on the upper surface of the workbench (2) located on one side of the slide groove (4).

8. The central air conditioning collecting pipe positioning welding auxiliary tooling according to claim 7 is characterized in that: A plurality of column feet (1) are fixedly connected to the bottom of the workbench (2), and the plurality of column feet (1) are located at the four corners of the workbench (2).

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