Copper pipe welding positioning tool

Abstract

The utility model discloses a copper pipe welding positioning tool which comprises a supporting table, a supporting leg is arranged in the center of the lower surface of the supporting table, station installation holes are formed in the edges of the supporting table, station supporting seats are evenly installed on the station installation holes through bolts, and the station supporting seats are arranged on the supporting table. The upper end of each station supporting seat is connected with a supporting frame through an inserting positioning column, the middle of the supporting frame is hollow, a multi-way valve is arranged in the center of the upper surface of the supporting table and communicated with a middle cavity of the supporting frame through a guide pipe, and U-shaped workpiece positioning pieces are evenly arranged on the front surface of the supporting table. The interior of a tubular positioning seat on the U-shaped workpiece positioning piece is communicated with a middle cavity of the supporting frame, the supporting frame is provided with the L-shaped pipe positioning piece, the L-shaped pipe positioning piece corresponds to the U-shaped workpiece positioning piece, the structure is simple, operation is easy and convenient, multiple stations are provided, positioning is more accurate during workpiece welding, and welding is faster.

Description

Technical Field

[0001] The utility model relates to the technical field of copper tube welding, in particular to a copper tube welding positioning tool. Background Art

[0002] Copper pipes are the main material for connecting heat exchangers. Pipes of major cold components such as valves and compressors are usually connected with copper pipes. Most three-way pipes are made by welding. When multiple branch pipes on a main pipe are welded manually, it is generally necessary to manually align the lower end of a separate branch pipe with a through hole on the main pipe, and then fix it by spot welding. After multiple branch pipes are repeatedly spot welded to the main pipe, full welding is performed. In this process, manual operation can easily cause the lower end of the branch pipe to be inconsistently connected with the through hole, resulting in gaps. Therefore, the copper pipes produced are of poor quality and are not uniform. The existing positioning tooling has a complex structure and can only position one workpiece at a time, resulting in low welding efficiency and inconvenience. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a copper tube welding positioning tool with a simple structure and easy operation. It not only has multiple workstations, but also can position the workpiece more accurately during welding, making welding faster, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a copper tube welding positioning tool, comprising a support platform, a support leg is arranged at the center of the lower surface of the support platform, and station mounting holes are arranged at the edges of the support platform, and station support seats are evenly installed on the station mounting holes by bolts, and the upper end of each station support seat is connected to the support frame by a plug-in positioning column, and the middle of the support frame is empty, and a multi-way valve is arranged at the center of the upper surface of the support platform, and the multi-way valve is connected to the middle cavity of the support frame through a conduit, and U-shaped workpiece positioning parts are evenly arranged on the front surface of the support platform, and the interior of the tubular positioning seat on the U-shaped workpiece positioning part is communicated with the middle cavity of the support frame, and the external inert gas is introduced into the cavity of the support frame by the multi-way valve, and the inert gas inside the cavity of the support frame enters the welding copper tube through the tubular positioning seat, and an L-shaped tube positioning part is arranged on the support frame, and the L-shaped tube positioning part corresponds to the U-shaped workpiece positioning part.

[0005] Furthermore, the workstation support seat includes a U-shaped holder fixedly connected to the support platform, a support column is welded on the upper surface of the U-shaped holder, a plug-in tube is fixed to one side of the upper end of the support column by bolts, and the plug-in tube corresponds to the plug-in positioning column.

[0006] Furthermore, the U-shaped workpiece positioning member includes a support plate fixed on the support frame, and tubular positioning seats are fixed to both ends of the support plate. The two ends of the U copper tube can be clamped and fixed by the two tubular positioning seats.

[0007] Furthermore, the L-shaped tube positioning member includes a vertical strip fixed on the supporting frame, the vertical strip is evenly welded with connecting pillars, the upper end of the connecting pillar is welded with an L-shaped support, the L-shaped support corresponds one-to-one with the U-shaped workpiece positioning member, and the L-shaped copper tube workpiece can be supported and positioned by the L-shaped support, thereby facilitating the welding of the workpiece.

[0008] Compared with the prior art, the beneficial effects of the utility model are: first, the two ends of the U copper tube can be clamped and fixed by two tubular positioning seats, and then the L-shaped copper tube workpiece can be supported and positioned by the L-shaped support, so as to facilitate the welding of the workpiece, so that the U copper tube and the L-shaped copper tube are correspondingly contacted, and then they are welded by external welding. During welding, the external inert gas is introduced into the cavity of the support frame by the multi-way valve, and the inert gas inside the cavity of the support frame enters the welding copper tube through the tubular positioning seat for protection. The copper tube welding positioning tool has a simple structure and is easy to operate. It not only has multiple workstations, but also can position the workpiece more accurately during welding, making welding faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the side structure of the utility model;

[0011] Figure 3 It is a partial enlarged structural schematic diagram of the utility model;

[0012] Figure 4 This is a schematic diagram of the workpiece structure of the utility model.

[0013] In the figure: 1 station mounting hole, 2 support platform, 3 support leg, 4 U-shaped workpiece positioning piece, 41 support plate, 42 tubular positioning seat, 5 station support seat, 51 support column, 52 plug-in tube, 53 U-shaped holder, 6 support frame, 7 plug-in positioning column, 8 L-shaped tube positioning piece, 81 L-shaped support, 82 connecting pillar, 83 vertical strip, 9 multi-way valve. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1-4The utility model provides a technical solution: a copper pipe welding positioning tool, comprising a support platform 2, a support leg 3 is arranged at the center of the lower surface of the support platform 2, and a station installation hole 1 is arranged at the edge of the support platform 2, and a station support seat 5 is evenly installed on the station installation hole 1 by bolts, and the upper end of each station support seat 5 is connected to a support frame 6 through a plug-in positioning column 7, and the middle of the support frame 6 is empty, and a multi-way valve 9 is arranged at the center of the upper surface of the support platform 2, and the multi-way valve 9 is connected with the middle cavity of the support frame 6 through a conduit, and a U-shaped workpiece positioning piece 4 is evenly arranged on the front surface of the support platform 2, and the tubular positioning seat 42 on the U-shaped workpiece positioning piece 4 is communicated with the middle cavity of the support frame 6, and the external inert gas is introduced into the cavity of the support frame 6 by the multi-way valve 9, and the inert gas inside the cavity of the support frame 6 enters the welding copper pipe through the tubular positioning seat 42, and an L-shaped pipe positioning piece 8 is arranged on the support frame 6, and the L-shaped pipe positioning piece 8 corresponds to the U-shaped workpiece positioning piece 4. The positioning support seat 5 includes a U-shaped holder 53 fixedly connected to the support platform 2, and a support column 51 is welded on the upper surface of the U-shaped holder 53. A plug-in tube 52 is fixed to one side of the upper end of the support column 51 by bolts, and the plug-in tube 52 corresponds to the plug-in positioning column 7. The U-shaped workpiece positioning member 4 includes a support plate 41 fixed to the support frame 6, and tubular positioning seats 42 are fixed at both ends of the support plate 41. The two ends of the U copper tube can be clamped and fixed by the two tubular positioning seats 42. The L-shaped tube positioning member 8 includes a vertical strip 83 fixed to the support frame 6, and the vertical strip 83 is evenly welded with connecting pillars 82. The upper end of the connecting pillar 82 is welded with an L-shaped support 81. The L-shaped support 81 corresponds to the U-shaped workpiece positioning member 4 one by one. The L-shaped copper tube workpiece can be supported and positioned by the L-shaped support 81, so as to facilitate welding of the workpiece. The copper tube welding positioning tooling has a simple structure and is easy to operate. It not only has multiple workstations, but also can position the workpiece more accurately during welding, making welding faster.

[0016] During use: first, the two ends of the U copper tube can be clamped and fixed by two tubular positioning seats 42, and then the L-shaped copper tube workpiece can be supported and positioned by the L-shaped support 81, so as to facilitate welding of the workpiece, so that the U copper tube and the L-shaped copper tube are in contact with each other, and then they are welded by external welding. During welding, the multi-way valve 9 introduces external inert gas into the cavity of the support frame 6, and the inert gas inside the cavity of the support frame 6 enters the welded copper tube through the tubular positioning seat 42 to provide protection.

[0017] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A copper tube welding positioning tool, comprising a support platform (2), characterized in that: A support leg (3) is provided at the center of the lower surface of the support platform (2), and workstation mounting holes (1) are provided at the edges of the support platform (2). Workstation support seats (5) are evenly installed on the workstation mounting holes (1) by means of bolts. The upper end of each workstation support seat (5) is connected to a support frame (6) by means of a plug-in positioning column (7), and the middle of the support frame (6) is hollow. A multi-way valve (9) is provided at the center of the upper surface of the support platform (2), and the multi-way valve (9) is connected to the middle cavity of the support frame (6) by means of a conduit. The front surface of the support platform (2) is evenly provided with U-shaped workpiece positioning members (4), the interior of the tubular positioning seat (42) on the U-shaped workpiece positioning member (4) is communicated with the middle cavity of the support frame (6), the external inert gas is introduced into the cavity of the support frame (6) by the multi-way valve (9), and the inert gas inside the cavity of the support frame (6) enters the welding copper tube through the tubular positioning seat (42), and the support frame (6) is provided with an L-shaped tube positioning member (8), and the L-shaped tube positioning member (8) corresponds to the U-shaped workpiece positioning member (4).

2. A copper tube welding positioning tool according to claim 1, characterized in that: The workstation support seat (5) comprises a U-shaped holder (53) fixedly connected to the support platform (2), a support column (51) being welded to the upper surface of the U-shaped holder (53), a plug-in tube (52) being fixed to one side of the upper end of the support column (51) by means of bolts, and the plug-in tube (52) corresponds to the plug-in positioning column (7).

3. The copper tube welding positioning tool according to claim 1, characterized in that: The U-shaped workpiece positioning member (4) comprises a support plate (41) fixed on a support frame (6), and tubular positioning seats (42) are fixed at both ends of the support plate (41).

4. The copper tube welding positioning tool according to claim 1, characterized in that: The L-shaped tube positioning member (8) comprises a vertical strip (83) fixed on the support frame (6), the vertical strip (83) is evenly welded with connecting pillars (82), the upper end of the connecting pillar (82) is welded with an L-shaped support (81), and the L-shaped support (81) corresponds one-to-one with the U-shaped workpiece positioning member (4).

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