Plasma arc welding machine for coal mine curtain grouting fixing block

Abstract

The invention discloses a coal mine curtain grouting fixing block plasma arc welding machine, and particularly relates to the technical field of plasma arc welding, the coal mine curtain grouting fixing block plasma arc welding machine comprises a workbench, the upper end of the workbench is fixedly connected with a mounting frame, the upper end of the mounting frame is fixedly connected with a back plate, and the back plate is provided with a U-shaped rail groove; the front side of the back plate is in sliding buckle connection with a main sliding block, the left side of the main sliding block is fixedly connected with a hanging lug, and the rear side of the mounting frame is fixedly connected with a motor. A motor can drive a first connecting rod to rotate clockwise through a motor shaft, so that a second connecting rod drives a main sliding block to circularly move left and right, a plasma arc welding gun can slide in a U-shaped rail groove and a V-shaped rail groove, when the main sliding block moves rightwards, a second workpiece can be pushed to be inserted into the first workpiece through a right-angle pushing block, and when the main sliding block moves leftwards, the second workpiece is pushed to be inserted into the second workpiece through a right-angle pushing block. When the round rod moves on the d-c-b section of the U-shaped rail groove, the plasma arc welding gun conducts plasma arc welding on the L-shaped weld joint, and when the round rod moves on the b-a section of the U-shaped rail groove, the front push block can be pushed forwards through the inclined face of the inclined push block.

Description

Technical Field

[0001] This invention relates to the field of plasma arc welding technology, and more specifically, to a plasma arc welding machine for a coal mine curtain grouting fixing block. Background Technology

[0002] To achieve different functions, such as wear and corrosion resistance, high strength, or other quality requirements, coal mine curtain grouting fixing blocks are often combined in a nested manner. The outer layer is made of wear-resistant and corrosion-resistant materials, while the inner layer is made of high-strength materials and is completed by plasma arc welding. Existing plasma arc welding equipment requires manual assembly of the workpiece before plasma arc welding, which is too wasteful of manpower and has low production efficiency. Summary of the Invention

[0003] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a plasma arc welding machine for coal mine curtain grouting fixing blocks. The technical problem to be solved by the present invention is that the existing plasma arc welding device requires manual assembly of the workpiece before plasma arc welding, which is too wasteful of manpower and has low production efficiency.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a plasma arc welding machine for coal mine curtain grouting fixing blocks, comprising a worktable, an mounting frame fixedly connected to the upper end of the worktable, a back plate fixedly connected to the upper end of the mounting frame, a U-shaped track groove provided on the back plate, a main slider slidably snapped to the front side of the back plate, a hanging lug fixedly connected to the left side of the main slider, a motor fixedly connected to the rear side of the mounting frame, a motor shaft extending from the front side of the motor, a first connecting rod fixedly connected to the front end of the motor shaft, and a rotating snap-fit ​​connection at one end of the first connecting rod to a... The second connecting rod is connected to the rotating buckle of the hanging ear. A right-angle push block is fixedly connected to the left side of the main slider, and an inclined push block is fixedly connected to the right side of the main slider. A V-shaped track groove is provided on the main slider. A circular rod is slidably connected in the V-shaped track groove. A boss is fixedly connected to the rear side of the circular rod, and the boss is slidably connected to the U-shaped track groove. A plasma arc welding gun is fixedly connected to the front side of the circular rod. A telescopic rod is passed through the mounting hole. A front push block is fixedly connected to the front side of the telescopic rod. A spring is fixedly connected between the rear side of the mounting bracket and the telescopic rod.

[0005] In a preferred embodiment, the upper end of the worktable is provided with a first slide groove, the front side of the first slide groove is provided with a material drop hole, the left side of the first slide groove is provided with a second slide groove, there is a step between the first slide groove and the second slide groove, a U-shaped grinding block is fixedly connected to the upper end of the worktable, the inner wall of the U-shaped grinding block is provided with elastic rubber, and sandpaper is fixedly connected to the elastic rubber.

[0006] In a preferred embodiment, a material drop frame is fixedly connected to the upper end of the workbench, and a first placement slot is provided in the material drop frame, which is located directly above the second slide. The first placement slot contains multiple sets of second workpieces.

[0007] In a preferred embodiment, the material unloading frame is provided with a second placement groove, which is located directly above the first slide groove. The second placement groove contains multiple sets of first workpieces, and the second workpieces fit into the first workpieces. An L-shaped weld is provided on the rear side of the first workpiece, and the L-shaped weld corresponds to the position of the U-shaped track groove.

[0008] In a preferred embodiment, the lower end of the workbench is fixedly connected to two sets of support legs.

[0009] The technical effects and advantages of this invention are as follows:

[0010] The motor drives the first connecting rod to rotate clockwise via the motor shaft, which in turn drives the main slider to move left and right cyclically via the second connecting rod. The plasma arc welding torch slides in the U-shaped and V-shaped track grooves. When the main slider moves to the right, it can push the second workpiece into the first workpiece via the right-angle push block. When the main slider moves to the left, the circular rod moves on the dcb segment of the U-shaped track groove, and the plasma arc welding torch performs plasma arc welding on the L-shaped weld. When the circular rod is on the ba segment of the U-shaped track groove, it can push the front push block forward via the inclined surface of the inclined push block, pushing the first and second workpieces that have been plasma arc welded to the drop hole to drop down. At the same time, the plasma arc welding torch descends during this process, and the sandpaper polishes the outer surface of the plasma arc welding torch head to remove the welding slag adhering to the plasma arc welding torch head. The entire process is fully automated, completing the assembly, plasma arc welding, and material unloading. Attached Figure Description

[0011] Figure 1 This is a perspective view of the present invention.

[0012] Figure 2 This is a schematic diagram of the first state of the present invention.

[0013] Figure 3 This is a schematic diagram of the second state of the present invention.

[0014] Figure 4 This is a schematic diagram of the third state of the present invention.

[0015] Figure 5 This is a schematic diagram of the fourth state of the present invention.

[0016] Figure 6 This is a schematic diagram of the fifth state of the present invention.

[0017] Figure 7 This is a schematic diagram of the sixth state of the present invention.

[0018] Figure 8 This is a perspective view of the mounting bracket of the present invention.

[0019] Figure 9 This is a perspective view of the backplate of the present invention.

[0020] Figure 10 This is a perspective view of the main slider of the present invention.

[0021] Figure 11 for Figure 10 A magnified view of A in the middle.

[0022] Figure 12 This is a perspective view of the workbench of the present invention.

[0023] Figure 13 This is a perspective view of the push block of the present invention.

[0024] Figure 14 This is a perspective view of the plasma arc welding torch of the present invention.

[0025] Figure 15 This is a perspective view of the material feeding frame of the present invention.

[0026] Figure 16 This is a perspective view of the first workpiece and the blanking frame of the present invention.

[0027] Figure 17 This is a cross-sectional view of the U-shaped grinding block of the present invention.

[0028] The attached diagram is labeled as follows: 1. Workbench; 2. Support leg; 3. First slide rail; 4. Drop hole; 5. Second slide rail; 6. Mounting bracket; 7. Motor; 8. First connecting rod; 9. Second connecting rod; 10. Main slider; 11. Right-angle push block; 12. Angled push block; 13. Plasma arc welding torch; 14. V-shaped track groove; 15. Back plate; 16. U-shaped track groove; 17. Front push block; 18. Drop frame; 19. First placement groove; 20. Second placement groove; 21. First workpiece; 22. Mounting hole; 23. Hanging lug; 24. Telescopic rod; 25. Spring; 26. Circular rod; 27. Boss; 28. Second workpiece; 29. ​​L-shaped weld; 30. U-shaped grinding block; 31. Elastic rubber; 32. Sandpaper. Detailed Implementation

[0029] Depend on Figures 1-17This invention provides a plasma arc welding machine for coal mine curtain grouting fixing blocks, including a worktable 1. A mounting frame 6 is fixedly connected to the upper end of the worktable 1. A back plate 15 is fixedly connected to the upper end of the mounting frame 6. A U-shaped track groove 16 is provided on the back plate 15. A main slider 10 is slidably snapped to the front side of the back plate 15. A hanging lug 23 is fixedly connected to the left side of the main slider 10. A motor 7 is fixedly connected to the rear side of the mounting frame 6. A motor shaft extends from the front side of the motor 7, and a first connecting rod is fixed to the front end of the motor shaft. Rod 8, one end of the first connecting rod 8 is rotatably snapped to a second connecting rod 9, and the second connecting rod 9 is rotatably snapped to a hanging ear 23. A right-angle push block 11 is fixedly connected to the left side of the main slider 10, and an inclined push block 12 is fixedly connected to the right side of the main slider 10. A V-shaped track groove 14 is provided on the main slider 10, and a circular rod 26 is slidably connected in the V-shaped track groove 14. A boss 27 is fixedly connected to the rear side of the circular rod 26, and the boss 27 is slidably connected to the U-shaped track groove 16. The front side of the circular rod 26 is fixedly connected to... A plasma arc welding torch 13 is connected to the mounting hole 22, through which a telescopic rod 24 is connected. A front push block 17 is fixedly connected to the front side of the telescopic rod 24. A spring 25 (for the reset of the front push block 17) is fixedly connected between the rear side of the mounting bracket 6 and the telescopic rod 24. The motor 7 can drive the first connecting rod 8 to rotate clockwise through the motor shaft, thereby driving the main slider 10 to move left and right cyclically through the second connecting rod 9. The boss 27 and the circular rod 26 will slide in the U-shaped track groove 16 and the V-shaped track groove 14. When the main slider... When the main slider 10 moves to the right, it can push the second workpiece 28 into the first workpiece 21 through the right-angle push block 11. When the main slider 10 moves to the left, the circular rod 26 moves on the dcb section of the U-shaped track groove 16, and the plasma arc welding gun 13 performs plasma arc welding on the L-shaped weld 29. When the circular rod 26 is on the ba section of the U-shaped track groove 16, it can push the front push block 17 forward through the inclined surface of the inclined push block 12, and push the first workpiece 21 and the second workpiece 28 that have been plasma arc welded to the drop hole 4 to drop down.

[0030] The upper end of the workbench 1 is provided with a first slide 3, the front side of the first slide 3 is provided with a material drop hole 4, the left side of the first slide 3 is provided with a second slide 5, there is a step between the first slide 3 and the second slide 5 (the height of the step is the same as the bottom thickness of the first workpiece 21), the upper end of the workbench 1 is fixedly connected with a U-shaped grinding block 30, the inner wall of the U-shaped grinding block 30 is provided with elastic rubber 31, and the elastic rubber 31 is fixedly connected with sandpaper 32; when the circular rod 26 is in section ba on the U-shaped track groove 16, the plasma arc welding gun 13 descends, and the sandpaper 32 grinds the outer surface of the plasma arc welding gun head of the plasma arc welding gun 13 to remove the welding slag adhering to the plasma arc welding gun head of the plasma arc welding gun 13.

[0031] The upper end of the workbench 1 is fixedly connected to a dropping frame 18. A first placement groove 19 is provided in the dropping frame 18, and the first placement groove 19 is located directly above the second slide 5. Multiple sets of second workpieces 28 are installed in the first placement groove 19.

[0032] The material unloading frame 18 is provided with a second placement groove 20, which is located directly above the first slide groove 3. The second placement groove 20 contains multiple sets of first workpieces 21, and the second workpieces 28 fit with the first workpieces 21. An L-shaped weld 29 is provided on the rear side of the first workpieces 21, and the L-shaped weld 29 corresponds to the position of the U-shaped track groove 16. Two sets of support legs 2 are fixedly connected to the lower end of the workbench 1.

[0033] In specific work, Figure 1 The state is the basic view, and the initial state of the device is as follows: Figure 2 As shown, at this time, the circular rod 26 is located at point b on the U-shaped track groove 16 and point f on the main slider 10. Multiple sets of second workpieces 28 are added into the first placement groove 19, and one set of second workpieces 28 falls onto the second slide groove 5. Multiple sets of first workpieces 21 are added into the second placement groove 20, and one set of first workpieces 21 falls onto the first slide groove 3. The motor 7 is started, and the motor 7 can drive the first connecting rod 8 to rotate clockwise through the motor shaft, thereby driving the main slider 10 to move left and right in a cycle through the second connecting rod 9. The plasma arc welding gun assembly (here, the plasma arc welding gun assembly refers to the whole composed of the plasma arc welding gun 13, the circular rod 26, and the boss 27; the plasma arc welding gun 13 in the following text refers to this) will slide in the U-shaped track groove 16 and the V-shaped track groove 14. The specific movement process is as follows:

[0034] The device first consists of Figure 2 Exercise Figure 3 During this process, the plasma arc welding torch assembly moves from point b to point c on the U-shaped track groove 16, and the plasma arc welding torch assembly remains at point f on the V-shaped track groove 14. The device then moves to... Figure 4 In this process, the plasma arc welding gun assembly moves from point c to point d on the U-shaped track groove 16, and the plasma arc welding gun assembly moves from point f to point e on the V-shaped track groove 14. During the entire process, the main slider 10 moves to the right, which drives the right-angle push block 11 to move to the right, pushing the second workpiece 28 on the second slide groove 5 to insert into the first workpiece 21.

[0035] As the first link 8 continues to rotate clockwise, the device... Figure 4 Exercise Figure 5 Then exercise Figure 6In this process, the plasma arc welding torch assembly moves from point d on the U-shaped track groove 16 to point c (during which the plasma arc welding torch assembly moves from point e on the V-shaped track groove 14 to point f) and then to point b (during which the plasma arc welding torch assembly is located at point e on the V-shaped track groove 14). During this process, the plasma arc welding torch 13 is activated to perform plasma arc welding on the L-shaped weld 29 at the first workpiece 21, fixing the second workpiece 28 and the first workpiece 21. When the device moves to... Figure 6 In the state shown, the inclined surface of the inclined push block 12 is in contact with the inclined surface of the front push block 17, the right-angle push block 11 is just away from the first placement groove 19, and a new set of second workpieces 28 falls onto the second slide groove 5.

[0036] As the first link 8 continues to rotate clockwise, the device... Figure 6 Exercise Figure 7 In this process, the plasma arc welding gun assembly moves from point b to point a on the U-shaped track groove 16, and from point f to point g on the V-shaped track groove 14. Under the action of the inclined surface, the inclined push block 12 pushes the combination of the first workpiece 21 and the second workpiece 28 that has been plasma arc welded to the front side to fall down to the drop hole 4. A new set of first workpiece 21 falls onto the front push block 17. At the same time, the plasma arc welding gun 13 descends, and the sandpaper 32 polishes the outer surface of the plasma arc welding gun head of the plasma arc welding gun 13 to remove the welding slag adhering to the plasma arc welding gun head of the plasma arc welding gun 13.

[0037] As the first link 8 continues to rotate clockwise, the device... Figure 7 Exercise Figure 2 In the initial state, during this process, the plasma arc welding gun assembly moves from point a to point b on the U-shaped track groove 16, and the plasma arc welding gun assembly moves from point g to point f on the V-shaped track groove 14. The sandpaper 32 continues to polish the outer surface of the plasma arc welding gun head of the plasma arc welding gun 13. Under the action of the spring 25, the push block 17 moves away from directly below the second placement groove 20, and the first workpiece 21 on the push block 17 falls onto the first slide groove 3.

[0038] In conclusion, the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A plasma arc welding machine for fixing blocks of coal mine curtain grouting, comprising a worktable (1), characterized in that: A mounting bracket (6) is fixedly connected to the upper end of the workbench (1). A back plate (15) is fixedly connected to the upper end of the mounting bracket (6). A U-shaped track groove (16) is provided on the back plate (15). A main slider (10) is slidably connected to the front side of the back plate (15). A hanging ear (23) is fixedly connected to the left side of the main slider (10). A motor (7) is fixedly connected to the rear side of the mounting bracket (6). A motor shaft is extended from the front side of the motor (7). A first connecting rod (8) is fixedly connected to the front end of the motor shaft. A second connecting rod (9) is rotatably connected to one end of the first connecting rod (8). The second connecting rod (9) is rotatably connected to the hanging ear (23). The left side of the main slider (10) is fixedly connected to the back plate (15). A right-angle push block (11) is fixedly connected to the main slider (10), and an inclined push block (12) is fixedly connected to the right side of the main slider (10). A V-shaped track groove (14) is provided on the main slider (10). A circular rod (26) is slidably connected in the V-shaped track groove (14). A boss (27) is fixedly connected to the rear side of the circular rod (26), and the boss (27) is slidably connected to the U-shaped track groove (16). A plasma arc welding gun (13) is fixedly connected to the front side of the circular rod (26). A telescopic rod (24) is connected through the mounting hole (22). A front push block (17) is fixedly connected to the front side of the telescopic rod (24). A spring (25) is fixedly connected between the rear side of the mounting bracket (6) and the telescopic rod (24).

2. The plasma arc welding machine for coal mine curtain grouting fixing blocks according to claim 1, characterized in that: The upper end of the workbench (1) is provided with a first slide groove (3), the front side of the first slide groove (3) is provided with a material drop hole (4), the left side of the first slide groove (3) is provided with a second slide groove (5), there is a step between the first slide groove (3) and the second slide groove (5), the upper end of the workbench (1) is fixedly connected with a U-shaped grinding block (30), the inner wall of the U-shaped grinding block (30) is provided with elastic rubber (31), and the elastic rubber (31) is fixedly connected with sandpaper (32).

3. The plasma arc welding machine for coal mine curtain grouting fixing blocks according to claim 1, characterized in that: The upper end of the workbench (1) is fixedly connected to a dropping frame (18), and a first placement groove (19) is provided in the dropping frame (18). The first placement groove (19) is located directly above the second slide groove (5), and multiple sets of second workpieces (28) are installed in the first placement groove (19).

4. A plasma arc welding machine for coal mine curtain grouting fixing blocks according to claim 3, characterized in that: The material drop frame (18) is provided with a second placement groove (20), and the second placement groove (20) is located directly above the first slide groove (3). The second placement groove (20) contains multiple sets of first workpieces (21), and the second workpiece (28) fits with the first workpiece (21). The rear side of the first workpiece (21) is provided with an L-shaped weld (29), and the L-shaped weld (29) corresponds to the position of the U-shaped track groove (16).

5. A plasma arc welding machine for coal mine curtain grouting fixing blocks according to claim 1, characterized in that: The lower end of the workbench (1) is fixedly connected to two sets of support legs (2).

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