Flame brazing device

Abstract

The utility model relates to the technical field of flame brazing, in particular to a flame brazing device which comprises a table body, the table body comprises a brazing table, and a connecting frame is arranged on the inner side of the brazing table. Through the arrangement of the visual positioning instrument, the real-time position of the air conditioner radiator can be captured, the first motor operates to drive the threaded rod to rotate, and the second motor operates to drive the reciprocating screw rod to rotate, so that the vertical movement of the connecting plate and the horizontal movement of the moving block can be realized; and therefore, the position of the connecting frame can be conveniently moved up and down and left and right, the effect that the positions of a double-end flame brazing gun, a brazing wire feeding head and an igniter can be flexibly adjusted can be achieved, copper pipes at different positions can be conveniently machined when the copper pipes of the air conditioner radiator are brazed, and the machining efficiency is improved. And meanwhile, the brazing requirements of copper pipes on air conditioner radiators of different sizes can be met, and the brazing flexibility and efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flame brazing, in particular to a flame brazing device. Background Art

[0002] Flame brazing is one of the welding techniques, which can use the flame of a mixture of combustible gas and oxygen or compressed air as a heat source for welding. The flame brazing device is a device that uses the flame of a mixture of combustible gas (such as acetylene, propane, hydrogen, etc.) and oxygen or compressed air as a heat source for welding. This device is simple and lightweight, easy to operate, and can use multiple flames to heat and weld simultaneously according to the shape of the workpiece. When processing the copper tubes of the air conditioner radiator, in order to achieve a reliable connection between the copper tubes and ensure the airtightness and strength of the connection, a brazing device is usually used. Through flame brazing, a firm connection can be formed between the copper tubes, which can avoid leakage problems caused by loose connections. At the same time, brazing can ensure that the contact surface between the copper tubes is flat and tight, improve the heat conduction efficiency, and thus improve the heat dissipation performance of the radiator.

[0003] When welding the copper tubes of air conditioner radiators, the brazing gun is generally ignited by an ignition gun to enable the brazing gun to quickly heat the copper tube on the top of the product to achieve the brazing purpose. During brazing, the copper tubes at different positions of the air conditioner radiator may need to be processed, and air conditioner radiators of different sizes need to be processed. However, in the prior art, the position of the brazing gun cannot be quickly and flexibly adjusted according to the position of the copper tube, so that the position of the air conditioner radiator often needs to be moved during brazing, which makes the brazing process inconvenient and not conducive to improving the brazing efficiency. Therefore, in order to solve the above problems, a flame brazing device is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a flame brazing device to solve the problem mentioned in the above background technology that the position of the brazing gun cannot be adjusted quickly and flexibly according to the position of the copper tube, so that the position of the air conditioner radiator often needs to be moved during brazing, which makes the brazing process inconvenient and is not conducive to improving the brazing efficiency.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a flame brazing device, comprising a platform body, the platform body comprising a brazing platform, a connecting frame provided on the inner side of the brazing platform, a double-headed flame brazing gun mounted on the surface of the connecting frame, a fixing plate fixedly connected to the lower surface of the connecting frame, a telescopic cylinder fixedly mounted on the surface of the connecting frame, the telescopic cylinder movable on the inner side of the fixing plate, a brazing wire feeder fixedly connected to the output end of the telescopic cylinder, and an igniter mounted on the surface of the connecting frame;

[0006] The surface of the brazing table is provided with an adjustment mechanism, which includes a fixed block, which is fixedly connected to the top of the connecting frame, a threaded rod movably connected to the inner side of the fixed block, a first motor is fixedly installed on the top of the fixed block, a connecting plate is threadedly connected to the surface of the threaded rod, a reciprocating screw rod is movably connected to the inner side of the connecting plate, a second motor is fixedly installed on the surface of the connecting plate, a moving block is movably connected to the surface of the reciprocating screw rod, the moving block is fixedly connected to the connecting frame, and a visual locator is fixedly installed on the surface of the brazing table.

[0007] Preferably, the adjustment mechanism also includes a movable groove, which is opened on the inner side of the connecting plate, one end of the threaded rod is movably connected to the brazing table, and the other end of the threaded rod is fixedly connected to the output end of the first motor, and the threaded rod is movably connected to the brazing table in two groups.

[0008] Preferably, one end of the reciprocating screw is movably connected to the connecting plate, the other end of the reciprocating screw is fixedly connected to the output end of the second motor, and the moving block moves inside the movable groove.

[0009] Preferably, a positioning mechanism is provided on the surface of the brazing table, and the positioning mechanism includes a placing plate, the placing plate is fixedly connected to the surface of the brazing table, the upper surface of the placing plate is fixedly connected to a support block, the inner side of the support block is movably connected to a forward and reverse screw, a third motor is fixedly installed on the surface of the support block, the surface of the forward and reverse screw is threadedly connected to a first connecting block, the surface of the first connecting block is fixedly connected to a positioning plate, the inner surface of the support block is fixedly connected to a limiting rod, and the surface of the positioning plate is fixedly connected to a second connecting block.

[0010] Preferably, the forward and reverse screws are fixedly connected to the output end of the third motor, the first connecting blocks are in two groups and move on the surface of the forward and reverse screws, and the positioning plates are in two groups and correspondingly connected to the first connecting blocks.

[0011] Preferably, the second connecting blocks are in two groups and are connected to the positioning plates correspondingly, and the limiting rods are movably connected to the second connecting blocks.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the setting of the visual locator, the real-time position of the air-conditioning radiator can be captured. Combined with the operation of the first motor to drive the threaded rod to rotate, and the operation of the second motor to drive the reciprocating screw to rotate, the connecting plate can be moved vertically and the moving block can be moved horizontally, thereby facilitating the up and down and left and right movement of the connecting frame. The position of the double-headed flame brazing gun, the brazing wire feed head and the igniter can be flexibly adjusted, so that when brazing the copper tubes of the air-conditioning radiator, it is convenient to process the copper tubes in different positions, and at the same time, it can adapt to the brazing requirements of copper tubes on air-conditioning radiators of different sizes, which is conducive to improving the flexibility and efficiency of brazing.

[0014] 2. The placement of the placement plate facilitates the placement of the air-conditioning radiator. The operation of the third motor drives the forward and reverse screws to rotate, so that the first connecting block can drive the positioning plate to move. By bringing the positioning plates closer to each other, it is convenient to limit the two ends of air-conditioning radiators of different sizes, which can achieve the effect of positioning the air-conditioning radiator, facilitate the fixation of the air-conditioning radiator during the brazing process, ensure the stability of brazing, and thus improve the brazing quality of the copper tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic front view of the structure of the present utility model;

[0016] Figure 2 This is a side exploded schematic diagram of the structure of the present invention;

[0017] Figure 3 This is a front exploded schematic diagram of the structure of the connecting plate and the moving block of the utility model;

[0018] Figure 4 This is a rear exploded schematic diagram of the structure of the forward and reverse screws and the positioning plate of the utility model.

[0019] In the figure: 1. Brazing table; 11. Connecting frame; 12. Double-head flame brazing gun; 13. Fixed plate; 14. Telescopic cylinder; 15. Brazing wire feed head; 16. Igniter; 2. Fixed block; 21. Threaded rod; 22. First motor; 23. Connecting plate; 24. Reciprocating screw; 25. Second motor; 26. Moving block; 27. Movable slot; 28. Visual locator; 3. Placement plate; 31. Support block; 32. Forward and reverse screw; 33. Third motor; 34. First connecting block; 35. Positioning plate; 36. Limit rod; 37. Second connecting block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 , an embodiment provided by the utility model:

[0022] The telescopic cylinder 14, igniter 16, first motor 22, visual locator 28 and third motor 33 used in this application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here.

[0023] A flame brazing device includes a platform body, which includes a brazing platform 1. A connecting frame 11 is provided on the inner side of the brazing platform 1. A double-ended flame brazing gun 12 is mounted on the surface of the connecting frame 11. A fixing plate 13 is fixedly connected to the lower surface of the connecting frame 11. A telescopic cylinder 14 is fixedly mounted on the surface of the connecting frame 11. The telescopic cylinder 14 moves on the inner side of the fixing plate 13. A brazing wire feeder 15 is fixedly connected to the output end of the telescopic cylinder 14. An igniter 16 is mounted on the surface of the connecting frame 11. Ignition by the igniter 16 can ignite the double-ended flame brazing gun 12. The double-ended flame brazing gun 12 can quickly heat the copper tube at the top of the air conditioner radiator. At the same time, the telescopic cylinder 14 can control the brazing wire feeder 15 to feed the brazing wire to the brazing joint, and then control the brazing wire feeder 15 to quickly withdraw the wire. The flame of the double-ended flame brazing gun 12 is extinguished, and the brazing operation is completed.

[0024] The surface of the brazing table 1 is provided with an adjusting mechanism, which includes a fixed block 2, which is fixedly connected to the top of the connecting frame 11, and a threaded rod 21 is movably connected to the inner side of the fixed block 2. The top of the fixed block 2 is fixedly installed with a first motor 22, and the surface of the threaded rod 21 is threadedly connected to a connecting plate 23, and the inner side of the connecting plate 23 is movably connected to a reciprocating screw rod 24. The surface of the connecting plate 23 is fixedly installed with a second motor 25, and the surface of the reciprocating screw rod 24 is movably connected to a moving block 26. The moving block 26 is fixedly connected to the connecting frame 11, and a visual positioning instrument 28 is fixedly installed on the surface of the brazing table 1. Through the rotation of the threaded rod 21, the connecting plate 23 can be vertically moved under the action of the threaded rod 21, which is convenient for adjusting the position of the connecting frame 11 up and down, and the double-headed flame brazing gun 12 can be lifted and lowered, so that the double-headed flame brazing gun 12 can be used to braze the copper pipes of the air-conditioning radiator at different positions, or to braze the copper pipes of the air-conditioning radiator of different heights and sizes, thereby improving the applicability of brazing.

[0025] Furthermore, the adjustment mechanism also includes a movable groove 27, which is opened on the inner side of the connecting plate 23. One end of the threaded rod 21 is movably connected to the brazing table 1, and the other end of the threaded rod 21 is fixedly connected to the output end of the first motor 22. The threaded rod 21 is movably connected to the brazing table 1 in two groups. By opening the movable groove 27, the movement of the movable block 26 can be limited, which can ensure that the movable block 26 can move stably under the action of the reciprocating screw rod 24, thereby ensuring the stability of the overall movement of the connecting frame 11.

[0026] Furthermore, one end of the reciprocating screw 24 is movably connected to the connecting plate 23, and the other end of the reciprocating screw 24 is fixedly connected to the output end of the second motor 25. The movable block 26 moves on the inner side of the movable groove 27. The rotation of the reciprocating screw 24 can drive the movable block 26 to move back and forth, and then the connecting frame 11 can be moved horizontally, which is convenient for horizontal adjustment of the position of the double-headed flame brazing gun 12, thereby improving the flexibility of brazing.

[0027] Furthermore, a positioning mechanism is provided on the surface of the brazing table 1, and the positioning mechanism includes a placing plate 3, which is fixedly connected to the surface of the brazing table 1, and the upper surface of the placing plate 3 is fixedly connected to a support block 31, and the inner side of the support block 31 is movably connected to a forward and reverse screw 32, and the surface of the support block 31 is fixedly installed with a third motor 33, and the surface of the forward and reverse screw 32 is threadedly connected to a first connecting block 34, and the surface of the first connecting block 34 is fixedly connected to a positioning plate 35, and the inner surface of the support block 31 is fixedly connected to a limiting rod 36, and the surface of the positioning plate 35 is fixedly connected to a second connecting block 37. By setting the positioning plate 35, the two ends of the air-conditioning radiator can be limited, and then the positioning of the air-conditioning radiator on the placing plate 3 can be realized, which can ensure the stability of the air-conditioning radiator during the brazing process, thereby helping to improve the brazing quality.

[0028] Furthermore, the forward and reverse screws 32 and the output end of the third motor 33 are fixedly connected, the first connecting blocks 34 are in two groups and movable on the surface of the forward and reverse screws 32, and the positioning plates 35 are in two groups and correspondingly connected to the first connecting blocks 34. The forward and reverse screws 32 are driven to rotate by the operation of the third motor 33, so that the first connecting block 34 can drive the positioning plate 35 to move, and then the positioning plate 35 can fix the air-conditioning radiator, which is convenient for stable brazing of the air-conditioning radiator.

[0029] Furthermore, the second connecting blocks 37 are divided into two groups and connected to the positioning plates 35 respectively. The limiting rods 36 and the second connecting blocks 37 are movably connected. Through the cooperation of the limiting rods 36 and the second connecting blocks 37, the positioning plates 35 can be limited, so that the positioning plates 35 are not easily offset under the action of the third motor 33, which facilitates the stable movement of the positioning plates 35.

[0030] Working principle: When in use, the visual locator 28 can capture the real-time position of the air-conditioning radiator, and by controlling the movement of the first motor 22, the threaded rod 21 can be rotated, and the connecting plate 23 will move vertically under the action of the threaded rod 21, and then the connecting frame 11 can also move vertically under the action of the connecting plate 23, so that the upper and lower positions of the double-headed flame brazing gun 12, the brazing wire feed head 15 and the igniter 16 can be adjusted. By controlling the operation of the second motor 25, the reciprocating screw rod 24 can be rotated, and the moving block 26 is limited by the movable groove 27 and will move back and forth under the action of the reciprocating screw rod 24, and then the connecting frame 11 moves accordingly, so that the horizontal positions of the double-headed flame brazing gun 12, the brazing wire feed head 15 and the igniter 16 can be adjusted;

[0031] The air-conditioning radiator is placed on the placement plate 3 and located between the two sets of positioning plates 35. The third motor 33 is electrically connected to an external power supply. The staff starts the third motor 33 by pressing the switch. The operation of the third motor 33 drives the forward and reverse screws 32 to rotate. Since the positioning plate 35 is limited by the limit rod 36 and the second connecting block 37, the first connecting block 34 will move horizontally under the action of the forward and reverse screws 32, thereby realizing the movement of the positioning plate 35 and making the second connecting block 37 move on the surface of the limit rod 36. By bringing the positioning plates 35 close to each other, the two ends of the air-conditioning radiator can be limited, thereby completing the positioning of the air-conditioning radiator.

[0032] The above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A flame brazing device, comprising a platform, wherein the platform comprises a brazing platform (1), a connecting frame (11) is provided on the inner side of the brazing platform (1), a double-headed flame brazing gun (12) is installed on the surface of the connecting frame (11), a fixing plate (13) is fixedly connected to the lower surface of the connecting frame (11), a telescopic cylinder (14) is fixedly installed on the surface of the connecting frame (11), the telescopic cylinder (14) is movable on the inner side of the fixing plate (13), a brazing wire feeder (15) is fixedly connected to the output end of the telescopic cylinder (14), and an igniter (16) is installed on the surface of the connecting frame (11); It is characterized in that The surface of the brazing table (1) is provided with an adjustment mechanism, and the adjustment mechanism includes a fixed block (2), the fixed block (2) is fixedly connected to the top of the connecting frame (11), the inner side of the fixed block (2) is movably connected to a threaded rod (21), the top of the fixed block (2) is fixedly installed with a first motor (22), the surface of the threaded rod (21) is threadedly connected to a connecting plate (23), the inner side of the connecting plate (23) is movably connected to a reciprocating screw rod (24), the surface of the connecting plate (23) is fixedly installed with a second motor (25), the surface of the reciprocating screw rod (24) is movably connected to a moving block (26), the moving block (26) and the connecting frame (11) are fixedly connected, and a visual positioning instrument (28) is fixedly installed on the surface of the brazing table (1).

2. A flame brazing device according to claim 1, characterized in that: The adjustment mechanism further includes a movable groove (27), which is opened on the inner side of the connecting plate (23). One end of the threaded rod (21) is movably connected to the brazing table (1), and the other end of the threaded rod (21) is fixedly connected to the output end of the first motor (22). The threaded rod (21) is movably connected to the brazing table (1) in two groups.

3. A flame brazing device according to claim 1, characterized in that: One end of the reciprocating screw rod (24) is movably connected to the connecting plate (23), the other end of the reciprocating screw rod (24) is fixedly connected to the output end of the second motor (25), and the moving block (26) moves inside the movable groove (27).

4. The flame brazing device according to claim 1, characterized in that: The surface of the brazing table (1) is provided with a positioning mechanism, and the positioning mechanism includes a placement plate (3), the placement plate (3) is fixedly connected to the surface of the brazing table (1), the upper surface of the placement plate (3) is fixedly connected to a support block (31), the inner side of the support block (31) is movably connected to a forward and reverse screw rod (32), a third motor (33) is fixedly installed on the surface of the support block (31), the surface of the forward and reverse screw rod (32) is threadedly connected to a first connecting block (34), the surface of the first connecting block (34) is fixedly connected to a positioning plate (35), the inner surface of the support block (31) is fixedly connected to a limiting rod (36), and the surface of the positioning plate (35) is fixedly connected to a second connecting block (37).

5. A flame brazing device according to claim 4, characterized in that: The forward and reverse screws (32) and the output end of the third motor (33) are fixedly connected, the first connecting blocks (34) are in two groups and move on the surface of the forward and reverse screws (32), and the positioning plates (35) are in two groups and correspondingly connected to the first connecting blocks (34).

6. The flame brazing device according to claim 4, characterized in that: The second connecting blocks (37) are in two groups and are correspondingly connected to the positioning plates (35), and the limiting rods (36) and the second connecting blocks (37) are movably connected.

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