Laser welding fixing device for dissimilar materials

Abstract

The invention belongs to the technical field of laser welding, and particularly discloses a dissimilar material laser welding fixing device which comprises a welding structure and a displacement sliding table connected to the welding structure, a clamping structure is connected to the displacement sliding table, a fixing shell is connected to the displacement sliding table, and a collecting cavity is embedded in the fixing shell. A collecting pipe and an exhaust pipe are fixedly connected to the collecting cavity and penetrate through the fixing shell, a filtering structure is connected to the interior of a cavity body of the collecting cavity and comprises rotating pipes distributed in the collecting cavity, drainage rings are fixedly connected to the outer walls of the rotating pipes at equal intervals, and vertical fixing rods are fixedly connected to the drainage rings; inclined rods penetrate through the vertical fixing rod at equal intervals, and one end of each inclined rod is fixed to the corresponding rotating pipe. The collecting pipe in the device can contain floccules and waste gas generated during welding of dissimilar materials, then the collecting pipe conveys the floccules and the waste gas to the interior of the collecting cavity, and the waste gas and the floccules can be prevented from floating in the air.

Description

Technical Field

[0001] The invention belongs to the technical field of laser welding, and in particular relates to a laser welding and fixing device for dissimilar materials. Background Art

[0002] When laser welding dissimilar materials, a fixture is required to fix and support the dissimilar materials. When the fixture is actually used, the staff will fix the dissimilar materials on the device body in advance, and then use the laser welding equipment to weld the dissimilar materials on the fixture. This kind of fixture can indeed achieve a good welding effect on dissimilar materials when it is actually used;

[0003] However, the fixing device is usually a plate-like structure, which can provide firm support for the dissimilar materials. The plate-like structure is movably connected with a clamp. When the dissimilar materials are placed on the plate-like structure, the clamp can clamp and fix the dissimilar materials, which can facilitate the welding structure to weld the dissimilar materials on the fixing device. When used, this welding device can indeed achieve a good fixing effect on the dissimilar materials. However, the fixing device is not provided with a good waste gas collection structure. The waste gas generated by the welding of dissimilar materials will be dissipated into the air. At the same time, the welding of dissimilar materials will produce flocs. When the waste gas drives the flocs to float, the flocs will adhere to the device body, which will cause the flocs to contaminate the device body. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a laser welding and fixing device for dissimilar materials.

[0005] To achieve the above objectives, the present invention provides a dissimilar material laser welding fixture, comprising a welding structure and a displacement slide connected to the welding structure, the displacement slide being connected to a clamping structure, the displacement slide being connected to a fixed shell, a collecting chamber being embedded inside the fixed shell, a collecting pipe and an exhaust pipe being fixedly connected to the collecting chamber, the collecting pipe and the exhaust pipe passing through the fixed shell, and a filtering structure being connected inside the collecting chamber;

[0006] The filtering structure includes a rotating tube distributed inside the collecting chamber, the outer wall of the rotating tube is fixedly connected with a drainage ring at equal intervals, the drainage ring is fixedly connected with a vertical fixing rod, and the vertical fixing rod is penetrated by inclined rods at equal intervals, one end of the inclined rod is fixed to the rotating tube, and the other end of the inclined rod is fixed to the drainage ring, and a transmission motor is distributed below the collecting chamber, and the output end of the transmission motor is fixed to the rotating tube.

[0007] In the above technical solution, further, one end of the collecting tube away from the collecting chamber is fixedly connected with a fixing ring, the fixing ring is fixedly connected to the fixed shell, and the inner wall of the fixing ring is fixedly connected with a filter disc.

[0008] In the above technical solution, further, a lower mounting ring is fixedly connected to the edge of the bottom surface of the collecting chamber, the output end of the transmission motor is fixed to the rotating tube through a transmission plate, the lower end of the rotating tube is fixedly connected to a rotating ring, a water-dividing chamfer is provided at a portion where the rotating ring and the rotating tube are fixed, an embedded rotating ring is fixedly connected to the bottom surface of the rotating ring, an upper mounting ring is rotatably connected to the embedded rotating ring, and the upper mounting ring is sleeved with the output end of the transmission motor.

[0009] In the above technical solution, further, an inclined chamfer is provided between the collecting chamber and the lower mounting ring, the lower mounting ring is fixed to the upper mounting ring by mounting bolts, the bottom surface of the upper mounting ring is fixedly connected with a split cavity, and the split cavity is sleeved with the transmission motor.

[0010] In the above technical solution, further, the lower end of the upper mounting ring is fixedly connected to a waste liquid collection box, the bottom surface of the waste liquid collection box is fixedly connected to a fixed bottom ring, a pumping pipe passes through the waste liquid collection box, and the storage end of the pumping pipe extends between the waste liquid collection box and the dividing cavity.

[0011] In the above technical solution, further, a discharge hole is opened on the top surface of the upper mounting ring, a discharge filter plate is fixedly connected to the inner wall of the discharge hole, and the inner cavity of the collection chamber can be connected with the inner cavity of the waste liquid collection box through the discharge hole.

[0012] In the above technical solution, further, the upper end of the rotating tube is fixedly connected with a water supply pipe, the upper end of the water supply pipe penetrates the collecting chamber and the fixed shell, the inner cavity of the rotating tube is connected with the inner cavity of the drainage ring, a water inlet is provided at the connection part between the drainage ring and the rotating tube, the drainage ring is connected to the rotating tube through a connecting bucket, and a drainage circular hole is provided on the drainage ring.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The collecting pipe in the device can collect flocs and waste gas generated during welding of dissimilar materials, and then the collecting pipe transports the flocs and waste gas to the inside of the collecting chamber, which can prevent the waste gas and flocs from floating in the air;

[0015] 2. When the collection chamber in the device collects waste gas and flocs, the flocs can adhere to the drainage ring, the inclined rod and the vertical fixed rod, so that the waste gas and flocs can be separated;

[0016] 3. When the drainage ring, inclined rod and vertical fixed rod in the device collect flocs, the drainage ring can spray water on the flocs through the drainage circular hole, so that the water can drive the flocs into the waste liquid collection chamber, thereby realizing the separation and treatment of waste gas and flocs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the implementation structure of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the present invention;

[0019] Figure 3 for Figure 2 A cross-sectional schematic diagram of

[0020] Figure 4 This is a schematic diagram of the connection structure between the drainage ring and the rotating pipe proposed by the present invention;

[0021] Figure 5 This is a schematic diagram of the connection structure of the vertical fixing rod and the drainage ring proposed by the present invention;

[0022] Figure 6 for Figure 3 A partial schematic diagram of .

[0023] In the figure: 1. welding structure; 2. clamping structure; 3. displacement slide; 4. fixing ring; 5. fixed shell; 6. water supply pipe; 7. collecting chamber; 8. collecting pipe; 9. lower mounting ring; 10. mounting bolts; 11. waste liquid collection box; 12. upper mounting ring; 13. fixed bottom ring; 14. transmission motor; 15. dividing chamber; 16. discharge filter plate; 17. tilting chamfer; 18. vertical fixing rod; 19. tilting rod; 20. drainage ring; 21. rotating tube; 22. filter disc; 23. rotating ring; 24. water separation chamfer; 25. embedded rotating ring; 26. connecting bucket; 27. exhaust pipe; 28. drainage circular hole; 29. ​​transmission plate; 30. water inlet; 31. suction pipe; 32. discharge hole. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figure 1-Figure 6 A dissimilar material laser welding fixture shown in the figure comprises a welding structure 1 and a displacement slide 3 connected to the welding structure 1, a clamping structure 2 is connected to the displacement slide 3, a fixed shell 5 is connected to the displacement slide 3, a collecting chamber 7 is embedded in the fixed shell 5, a collecting pipe 8 and an exhaust pipe 27 are fixedly connected to the collecting chamber 7, the collecting pipe 8 and the exhaust pipe 27 penetrate the fixed shell 5, and a filtering structure is connected to the inside of the collecting chamber 7;

[0026] The welding structure 1 is a laser welding structure currently available on the market, which can be used to weld dissimilar materials on the clamping structure 2. The displacement slide 3 can be a cross slide structure currently available on the market. The displacement slide 3 can adjust the welding position of the dissimilar materials through the clamping structure 2. The fixed shell 5 can firmly connect the collection chamber 7 to the displacement slide 3.

[0027] The filtering structure includes a rotating tube 21 distributed inside the collecting chamber 7, and the outer wall of the rotating tube 21 is fixedly connected with a drainage ring 20 at equal intervals, and the drainage ring 20 is fixedly connected with a vertical fixing rod 18, and the vertical fixing rod 18 is penetrated with an inclined rod 19 at equal intervals, one end of the inclined rod 19 is fixed to the rotating tube 21, and the other end of the inclined rod 19 is fixed to the drainage ring 20. A transmission motor 14 is distributed below the collecting chamber 7, and the output end of the transmission motor 14 is fixed to the rotating tube 21;

[0028] The output end of the transmission motor 14 can drive the drainage ring 20 to rotate through the rotating tube 21. The drainage ring 20 can drive the vertical fixed rod 18 and the inclined rod 19 to reel in the flocs transported by the collecting tube 8. The end of the inclined rod 19 fixed to the drainage ring 20 is tilted downward, which can facilitate the separation of the flocs from the inclined rod 19.

[0029] The end of the collecting tube 8 away from the collecting chamber 7 is fixedly connected with a fixing ring 4, the fixing ring 4 is fixedly connected with the fixing housing 5, and the inner wall of the fixing ring 4 is fixedly connected with a filter disc 22;

[0030] The filter disc 22 is provided with a circular hole, and when the collecting pipe 8 collects the floccules and the exhaust gas, the filter disc 22 can filter the exhaust gas and the floccules.

[0031] The edge of the bottom surface of the collecting chamber 7 is fixedly connected with a lower mounting ring 9, the output end of the transmission motor 14 is fixed to the rotating tube 21 through a transmission sheet 29, the lower end of the rotating tube 21 is fixedly connected with a rotating ring 23, the portion where the rotating ring 23 is fixed to the rotating tube 21 is provided with a water separation chamfer 24, the bottom surface of the rotating ring 23 is fixedly connected with an embedded rotating ring 25, the embedded rotating ring 25 is rotatably connected with an upper mounting ring 12, and the upper mounting ring 12 is sleeved with the output end of the transmission motor 14;

[0032] When the transmission motor 14 drives the rotating tube 21 to rotate, the rotating tube 21 can drive the vertical fixing rod 18 and the tilting rod 19 to reel in the flocs transported by the collecting tube 8 , and the water sprayed from the drainage ring 20 can be diverted through the water diversion chamfer 24 .

[0033] An inclined chamfer 17 is provided between the collecting chamber 7 and the lower mounting ring 9. The lower mounting ring 9 is fixed to the upper mounting ring 12 by mounting bolts 10. The bottom surface of the upper mounting ring 12 is fixedly connected with a split chamber 15. The split chamber 15 is sleeved with the transmission motor 14.

[0034] The inclined chamfer 17 can strengthen the strength between the collecting chamber 7 and the lower mounting ring 9, and the dividing chamber 15 can protect the transmission motor 14. At the same time, the dividing chamber 15 is a ring structure, and the dividing chamber 15 can transfer the heat generated by the transmission motor 14 to the water inside the waste liquid collection box 11.

[0035] The lower end of the upper mounting ring 12 is fixedly connected to a waste liquid collection box 11, and the bottom surface of the waste liquid collection box 11 is fixedly connected to a fixed bottom ring 13. A water extraction pipe 31 runs through the waste liquid collection box 11, and the storage end of the water extraction pipe 31 extends between the waste liquid collection box 11 and the dividing cavity 15;

[0036] The suction pipe 31 is connected to an external drainage pump, and the drainage pump can discharge the water inside the waste liquid collection box 11 through the suction pipe 31. When the upper and lower mounting rings 9 are fixed to the upper mounting ring 12 by the mounting bolts 10, the transmission motor 14 can be firmly connected to the rotating tube 21.

[0037] A discharge hole 32 is formed on the top surface of the upper mounting ring 12, and a discharge filter plate 16 is fixedly connected to the inner wall of the discharge hole 32. The inner cavity of the collection chamber 7 can be connected to the inner cavity of the waste liquid collection box 11 through the discharge hole 32.

[0038] The water in the collecting chamber 7 can be filtered through the discharge filter plate 16, and the structure of the discharge filter plate 16 is determined according to actual conditions.

[0039] The upper end of the rotating tube 21 is fixedly connected with the water supply pipe 6, and the upper end of the water supply pipe 6 penetrates the collecting chamber 7 and the fixed shell 5. The inner cavity of the rotating tube 21 is connected with the inner cavity of the drainage ring 20. The connection part of the drainage ring 20 and the rotating tube 21 is provided with a water inlet 30. The drainage ring 20 is connected to the rotating tube 21 through a connecting bucket 26. The drainage ring 20 is provided with a drainage circular hole 28.

[0040] The upper end of the water supply pipe 6 is rotatably connected to an external water pump through a connecting structure. The connecting structure can be selected as a connecting flange currently available on the market. When the water pump can transport water to the inside of the rotating tube 21, the water can be a liquid for melting flocs. When the collecting tube 8 transports the flocs to the inside of the collecting chamber 7, the water transported inside the rotating tube 21 can be transported to the inside of the drainage ring 20, and then the water inside the drainage ring 20 is sprayed out through the drainage circular hole 28.

[0041] Working principle: When the fixing device is actually used, the collecting chamber 7 and the collecting pipe 8 are installed inside the fixed shell 5, and then the exhaust pipe 27 is connected to the external exhaust fan, the water supply pipe 6 is connected to the external water pump, and the water extraction pipe 31 is connected to the external drainage pump. When the welding structure 1 welds the dissimilar materials on the clamping structure 2, the external exhaust fan can bring the exhaust gas and floccules during the welding of the dissimilar materials into the interior of the collecting chamber 7 through the collecting pipe 8. At this time, the transmission motor 14 can drive the vertical fixing rod 18 and the tilting rod 19 to the collecting pipe 8 through the rotating tube 21. The delivered flocs are rolled up, and the water delivery pump can transport water to the inside of the rotating tube 21. When the collecting tube 8 transports the flocs to the inside of the collecting chamber 7, the water transported inside the rotating tube 21 can be transported to the inside of the drain ring 20, and then the water inside the drain ring 20 is sprayed out through the drain circular hole 28. The water can be a liquid that melts the flocs, and the melted flocs can be mixed with the water. Then the water can pass through the discharge filter plate 16 and enter the inside of the waste liquid collection box 11, and then the drainage pump can discharge the water inside the waste liquid collection box 11 through the suction pipe 31.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A laser welding fixture for dissimilar materials, comprising a welding structure (1) and a displacement slide (3) connected to the welding structure (1), wherein the displacement slide (3) is connected to a clamping structure (2), characterized in that: The displacement slide (3) is connected to a fixed shell (5), a collecting chamber (7) is embedded in the fixed shell (5), a collecting pipe (8) and an exhaust pipe (27) are fixedly connected to the collecting chamber (7), the collecting pipe (8) and the exhaust pipe (27) pass through the fixed shell (5), and a filtering structure is connected to the interior of the collecting chamber (7); The filtering structure comprises a rotating tube (21) distributed inside the collecting chamber (7); the outer wall of the rotating tube (21) is fixedly connected with a drainage ring (20) at equal intervals; the drainage ring (20) is fixedly connected with a vertical fixing rod (18); the vertical fixing rod (18) is penetrated with inclined rods (19) at equal intervals; one end of the inclined rod (19) is fixed to the rotating tube (21); the other end of the inclined rod (19) is fixed to the drainage ring (20); a transmission motor (14) is distributed below the collecting chamber (7); the output end of the transmission motor (14) is fixed to the rotating tube (21).

2. A dissimilar material laser welding and fixing device according to claim 1, characterized in that: One end of the collecting tube (8) facing away from the collecting chamber (7) is fixedly connected to a fixing ring (4), the fixing ring (4) is fixedly connected to a fixed shell (5), and the inner wall of the fixing ring (4) is fixedly connected to a filter disc (22).

3. The laser welding and fixing device for dissimilar materials according to claim 1, characterized in that: The edge of the bottom surface of the collecting chamber (7) is fixedly connected with a lower mounting ring (9); the output end of the transmission motor (14) is fixed to the rotating tube (21) via a transmission sheet (29); the lower end of the rotating tube (21) is fixedly connected with a rotating ring (23); a water separation chamfer (24) is provided at a portion where the rotating ring (23) and the rotating tube (21) are fixed; the bottom surface of the rotating ring (23) is fixedly connected with an embedded rotating ring (25); an upper mounting ring (12) is rotatably connected to the embedded rotating ring (25); and the upper mounting ring (12) is sleeved with the output end of the transmission motor (14).

4. The laser welding and fixing device for dissimilar materials according to claim 1, characterized in that: An inclined chamfer (17) is provided between the collecting chamber (7) and the lower mounting ring (9); the lower mounting ring (9) is fixed to the upper mounting ring (12) by means of mounting bolts (10); the bottom surface of the upper mounting ring (12) is fixedly connected to a split chamber (15); and the split chamber (15) is sleeved with a transmission motor (14).

5. The dissimilar material laser welding and fixing device according to claim 3, characterized in that: The lower end of the upper mounting ring (12) is fixedly connected to a waste liquid collection box (11), the bottom surface of the waste liquid collection box (11) is fixedly connected to a fixed bottom ring (13), a water extraction pipe (31) passes through the waste liquid collection box (11), and the storage end of the water extraction pipe (31) extends between the waste liquid collection box (11) and the dividing cavity (15).

6. The dissimilar material laser welding and fixing device according to claim 3, characterized in that: The top surface of the upper mounting ring (12) is provided with a discharge hole (32), the inner wall of the discharge hole (32) is fixedly connected with a discharge filter plate (16), and the inner cavity of the collection cavity (7) can be connected with the inner cavity of the waste liquid collection box (11) through the discharge hole (32).

7. The dissimilar material laser welding fixture according to claim 1, characterized in that: The upper end of the rotating tube (21) is fixedly connected to a water supply pipe (6), the upper end of the water supply pipe (6) penetrates the collecting chamber (7) and the fixed shell (5), the inner cavity of the rotating tube (21) is connected to the inner cavity of the drainage ring (20), a water inlet (30) is provided at the connection portion between the drainage ring (20) and the rotating tube (21), the drainage ring (20) is connected to the rotating tube (21) via a connecting bucket (26), and a drainage circular hole (28) is provided on the drainage ring (20).

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