Plasma arc welding machine convenient to position and polish

Abstract

The utility model discloses a plasma arc welding machine convenient to position and polish, which relates to the technical field of plasma arc welding machines and comprises a workbench, and a fixing mechanism is arranged at the top of the workbench. The pneumatic clamping jaws are arranged to fix two sets of parts needing to be welded so as to facilitate welding, the first air cylinders are rotationally connected to the inner wall of the mounting plate so as to facilitate angle adjustment of the parts needing to be welded, and the two sets of parts needing to be welded can be aligned and welded conveniently through stretching and retracting of the first air cylinders; the engaged worm gear is driven to rotate by rotating the worm, so that the first air cylinder is conveniently driven to rotate through the rotating rod to drive parts on the inner wall of the pneumatic clamping jaw to rotate, and due to the fact that the worm is engaged with the worm gear for transmission, stability can be kept through the self-locking performance of the worm engaged with the worm gear, and welding is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of plasma arc welding machines, in particular to a plasma arc welding machine which is convenient for positioning and grinding. Background Art

[0002] Plasma welding machine is a high-temperature plasma gas flow generated by ionized plasma gas, which is ejected from the fine hole of the nozzle and compressed to form a slender arc column. Its temperature reaches 18,000-24,000 K, which is higher than ordinary free arc, such as arc welding, which is only 5000-8000 K. Plasma arc has the characteristics of slender arc column and high energy density, and is often used in welding field.

[0003] For example, the Chinese patent publication number is CN114654066A, and the technical solution disclosed in the patent document is as follows: a plasma arc welding machine, including a plasma arc welding mechanism, a first support plate, a transmission rod, a hydraulic rod, a servo motor and a second bending plate; the plasma arc welding mechanism is used for welding workpieces; the hydraulic rod is used for aligning the workpieces; the servo motor is used to provide power for the movement of the second bending plate and the rotation of the workpieces. The utility model can adjust the position and direction of the welded workpieces by designing the hydraulic rod, the servo motor, the first bevel gear and the second bevel gear, and after welding a group of workpieces, the servo motor can move the mechanism to the next group of workpieces to be welded, and after all workpieces are adjusted, the plasma arc welding mechanism is started to weld the workpieces, saving labor costs and reducing manual labor intensity.

[0004] The existing technology has the following problems:

[0005] There is a phenomenon that it is inconvenient to carry out positioning grinding, which is not conducive to coordinated production adjustment work. At the same time, there is also a phenomenon that it is inconvenient to carry out coordinated control processing, which will cause certain inconveniences and needs to be improved. Utility Model Content

[0006] The utility model provides a plasma arc welding machine which is convenient for positioning and grinding, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is: a plasma arc welding machine convenient for positioning and grinding, comprising a workbench, the top of which is provided with a fixing mechanism;

[0008] The fixing mechanism includes two mounting plates, the two mounting plates are respectively fixedly connected to the positions on both sides of the top of the workbench, the inner walls of the two mounting plates are respectively rotatably connected to the first cylinders, and the corresponding ends of the two groups of the first cylinders are respectively fixedly installed with pneumatic claws;

[0009] A support plate is fixedly connected to the back of the workbench, and a welding machine body is fixedly installed on the support plate at a position above the workbench.

[0010] The above-mentioned technical solution is adopted, which fixes two groups of parts to be welded by setting pneumatic clamps to facilitate welding, and the first cylinder is rotatably connected to the inner wall of the mounting plate to facilitate angle adjustment of the parts to be welded, and the two groups of parts to be welded are conveniently aligned for welding by telescoping the first cylinder.

[0011] A further improvement of the technical solution of the utility model is that a grinding assembly is arranged on the front side of the support plate, the grinding assembly includes a second cylinder, the second cylinder is fixedly installed on the front side of the support plate, a servo motor is fixedly installed on one end of the front side of the second cylinder, and a grinding disc is fixedly connected to the rotating shaft at the output end of the servo motor.

[0012] The above technical solution is adopted, which drives the grinding disc to rotate by starting the servo motor to facilitate grinding, and drives the grinding disc on the servo motor to move by extending and retracting the second cylinder to facilitate adjusting the grinding depth.

[0013] A further improvement of the technical solution of the utility model is that: the grinding disc is hemispherical.

[0014] The above technical solution is adopted, which grinds the surface of the welded parts by setting a hemispherical grinding disc.

[0015] A further improvement of the technical solution of the utility model is that: the fixing mechanism also includes two rotating rods, the two rotating rods are respectively fixedly connected to the ends of the first cylinder away from each other, the ends of the two rotating rods away from the first cylinder are respectively fixedly connected to worm wheels, the positions below the two worm wheels are respectively meshed and connected with worms, the two ends of the two worms are respectively rotatably connected to mounting blocks through bearings, and the mounting blocks are fixedly connected to the bottom of the workbench.

[0016] The above technical solution is adopted, which drives the meshing worm wheel to rotate by rotating the worm, so as to facilitate the rotation of the inner wall parts of the pneumatic clamping claw by driving the first cylinder to rotate through the rotating rod, and because the transmission is carried out by the worm meshing with the worm wheel, the self-locking property of the worm meshing with the worm wheel can maintain stability, so as to facilitate welding.

[0017] A further improvement of the technical solution of the utility model is that one end of the front sides of the two worms is respectively fixedly connected with a hand wheel.

[0018] The above technical solution is adopted, and a hand wheel is arranged at one end of the front side of the worm.

[0019] A further improvement of the technical solution of the utility model is that a filter assembly is arranged in the middle of the top of the workbench, the filter assembly includes a through slot, the through slot is opened in the middle of the top of the workbench, a drawer is slidably connected to the front of the workbench, and the drawer opens and closes in a drawer-like manner.

[0020] The above technical solution is adopted, which facilitates the collection of residues generated by grinding and welding by opening a through groove in the middle of the top of the workbench and connecting the drawer box with internal sliding, and the drawer-style opening and closing also facilitates the removal for centralized processing.

[0021] A further improvement of the technical solution of the utility model is that a filtering hole is opened at the bottom of the drawer box.

[0022] The above technical solution is adopted, which separates the solid and liquid by opening a filtering hole at the bottom of the pumping box to filter the residues produced by grinding and welding.

[0023] A further improvement of the technical solution of the utility model is that a handle is fixedly installed on the front of the drawer box.

[0024] The above technical solution is adopted, which provides a handle on the front of the drawer box to facilitate the force when pulling the drawer box.

[0025] A further improvement of the technical solution of the utility model is that a dust reduction mechanism is arranged on the back of the workbench, and the dust reduction mechanism includes two water pipes, the two water pipes are respectively arranged on both sides of the center of the back of the workbench, and one end of the top of the two water pipes is fixedly connected with a nozzle.

[0026] By adopting the above technical solution, when grinding parts, a nozzle is set to spray, which can prevent the dust generated by grinding from flying around and polluting the surrounding environment, and human inhalation will also affect human health. At the same time, the spraying process can play a role in cooling down and avoid the surface temperature of the parts being too high during grinding.

[0027] A further improvement of the technical solution of the utility model is that the dust reduction mechanism also includes a water tank, the water tank is fixedly connected to the bottom of the workbench, and the interior of the water tank is connected to a water pipe, a water pump is fixedly installed on the bottom of the inner wall of the water tank, and the water outlet of the water pump is connected to two water pipes respectively through a three-way pipe.

[0028] The above technical solution is adopted, which provides coolant from the water tank by setting a water pump to supply it to the nozzle, and a filter hole is opened at the bottom of the pump box above the water tank to separate the solid and liquid from the residue produced by grinding and welding, so that the coolant can be reused after filtering.

[0029] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0030] 1. The utility model provides a plasma arc welding machine which is convenient for positioning and grinding. Pneumatic clamping jaws are provided to fix two groups of parts to be welded so as to facilitate welding. The first cylinder is connected to the inner wall of the mounting plate by rotation so as to facilitate angle adjustment of the parts to be welded. The first cylinder is telescopic so as to facilitate alignment of the two groups of parts to be welded for welding. The servo motor is started to drive the grinding disc to rotate so as to facilitate grinding. The second cylinder is telescopic so as to drive the grinding disc on the servo motor to move so as to facilitate adjustment of the grinding depth. The meshing worm wheel is driven to rotate by rotating the worm so as to facilitate rotation of the first cylinder by the rotating rod so as to facilitate rotation of the inner wall parts of the pneumatic clamping jaw. Since the worm is meshing with the worm wheel for transmission, the self-locking property of the worm meshing with the worm wheel can maintain stability so as to facilitate welding.

[0031] 2. The utility model provides a plasma arc welding machine which is convenient for positioning and grinding. A through groove is provided in the middle of the top of the workbench to slide and connect the drawer box, so that the residues produced by grinding and welding can be collected. The drawer-type opening and closing also facilitates the removal for centralized treatment. A filter hole is provided at the bottom of the drawer box to separate the solid and liquid from the residues produced by grinding and welding.

[0032] 3. The utility model provides a plasma arc welding machine which is convenient for positioning and grinding. When grinding parts, a nozzle is set for spraying, which can prevent dust generated by grinding from flying around and polluting the surrounding environment, and human inhalation will also affect human health. At the same time, it can cool down the surface of the parts during grinding and avoid excessively high surface temperature of the parts. A water pump is set to extract coolant from the water tank and provide it to the nozzle for use. A filter hole is set at the bottom of the pump box above the water tank to separate the solid and liquid from the residues generated by grinding and welding, so that the coolant can be reused after filtering. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a front view of a plasma arc welding machine that is convenient for positioning and grinding according to the utility model;

[0034] Figure 2 This is a front view of a plasma arc welding machine that is convenient for positioning and grinding according to the utility model;

[0035] Figure 3 This is a top view of a plasma arc welding machine that is convenient for positioning and grinding according to the utility model;

[0036] Figure 4 This is an enlarged view of a plasma arc welding machine A that is convenient for positioning and grinding according to the utility model;

[0037] Figure 5 This is an enlarged view of a plasma arc welding machine B that is convenient for positioning and grinding according to the utility model;

[0038] Figure 6 This is a schematic diagram of the structure of a plasma arc welding machine draw box that is convenient for positioning and grinding in the utility model;

[0039] Figure 7 The utility model is a structural schematic diagram of a dust reduction mechanism of a plasma arc welding machine which is convenient for positioning and grinding.

[0040] In the figure: 1. workbench; 2. fixing mechanism; 21. mounting plate; 22. first cylinder; 23. pneumatic clamp; 24. rotating rod; 25. worm gear; 26. worm; 27. mounting block; 28. hand wheel; 3. supporting plate; 31. welding machine body; 4. grinding assembly; 41. second cylinder; 42. motor; 43. grinding disc; 5. filtering assembly; 51. through groove; 52. drawer box; 521. handle; 522. filtering hole; 6. dust suppression mechanism; 61. water tank; 62. water pump; 63. water pipe; 64. nozzle. DETAILED DESCRIPTION

[0041] Example 1

[0042] like Figure 1 , 2As shown in , 3, 4, and 5, the utility model provides a plasma arc welding machine that is easy to position and grind, including a workbench 1, a fixing mechanism 2 is arranged on the top of the workbench 1, the fixing mechanism 2 includes two mounting plates 21, the two mounting plates 21 are respectively fixedly connected to the positions on both sides of the top of the workbench 1, the inner walls of the two mounting plates 21 are respectively rotatably connected to the first cylinders 22, the two groups of first cylinders 22 are respectively fixedly installed with pneumatic claws 23 at one end corresponding to each other, the back of the workbench 1 is fixedly connected to a support plate 3, and the support plate 3 is fixedly installed with a welding machine body 31 at a position above the workbench 1. This scheme is achieved by setting A pneumatic clamp 23 is arranged to fix the two groups of parts to be welded to facilitate welding, and the first cylinder 22 is rotatably connected to the inner wall of the mounting plate 21 to facilitate the angle adjustment of the parts to be welded. The first cylinder 22 is telescopic to facilitate the alignment of the two groups of parts to be welded for welding. A grinding assembly 4 is arranged on the front side of the support plate 3, and the grinding assembly 4 includes a second cylinder 41. The second cylinder 41 is fixedly installed on the front side of the support plate 3. A servo motor 42 is fixedly installed on one end of the front side of the second cylinder 41. The output end shaft of the servo motor 42 is fixedly connected to a grinding disc 43. This scheme is achieved by The servo motor 42 is started to drive the grinding disc 43 to rotate for the convenience of grinding. The grinding disc 43 on the servo motor 42 is driven to move by the extension of the second cylinder 41 to facilitate the adjustment of the grinding depth. The grinding disc 43 is hemispherical. The scheme grinds the surface of the welded parts by setting the hemispherical grinding disc 43. The fixing mechanism 2 also includes two rotating rods 24, which are respectively fixedly connected to the ends of the first cylinder 22 away from each other. The ends of the two rotating rods 24 away from the first cylinder 22 are respectively fixedly connected to worm gears 25, and the positions below the two worm gears 25 are respectively meshed with worms 24. 6. Both ends of the two worms 26 are rotatably connected with mounting blocks 27 through bearings, and the mounting blocks 27 are fixedly connected to the bottom of the workbench 1. The scheme drives the meshing worm wheel 25 to rotate by rotating the worm 26, so as to facilitate the rotation of the first cylinder 22 through the rotating rod 24 to drive the inner wall parts of the pneumatic clamp 23 to rotate. Since the worm 26 meshes with the worm wheel 25 for transmission, the self-locking property of the worm 26 meshing with the worm wheel 25 can be kept stable to facilitate welding. One end of the front side of the two worms 26 is fixedly connected with a handwheel 28. The scheme arranges a handwheel 28 at one end of the front side of the worm 26.

[0043] In this embodiment, the pneumatic clamping jaws 23 are provided to fix the two groups of parts to be welded so as to facilitate welding, and the first cylinder 22 is rotatably connected to the inner wall of the mounting plate 21 so as to facilitate angle adjustment of the parts to be welded, and the first cylinder 22 is telescopically extended to facilitate alignment of the two groups of parts to be welded for welding, and the servo motor 42 is started to drive the grinding disc 43 to rotate so as to facilitate grinding, and the second cylinder 41 is telescopically extended to drive the grinding disc 43 on the servo motor 42 to move so as to facilitate adjustment of the grinding depth, and the meshing worm wheel 25 is driven to rotate by rotating the worm 26 so as to facilitate rotation of the first cylinder 22 through the rotating rod 24 to drive the inner wall parts of the pneumatic clamping jaw 23, and because the worm 26 meshes with the worm wheel 25 for transmission, the self-locking property of the worm 26 meshing with the worm wheel 25 can be kept stable so as to facilitate welding.

[0044] Example 2

[0045] like Figure 1 , 2 As shown in Figure 6, on the basis of Example 1, the utility model provides a technical solution: preferably, a filter assembly 5 is provided at the middle position of the top of the workbench 1, and the filter assembly 5 includes a through groove 51, which is opened at the middle position of the top of the workbench 1, and a drawer box 52 is slidably connected to the front of the workbench 1, and the drawer box 52 is opened and closed in a drawer-like manner. This solution is convenient for collecting the residues generated by grinding and welding by opening a through groove 51 at the middle position of the top of the workbench 1 and slidingly connecting the drawer box 52 inside, and the drawer-like opening and closing is also convenient for taking out for centralized treatment. A filter hole 522 is provided at the bottom of the drawer box 52. This solution is to separate the solid and liquid by opening the filter hole 522 at the bottom of the drawer box 52, and a handle 521 is fixedly installed on the front of the drawer box 52. This solution is convenient for pulling the drawer box 52 by setting a handle 521 on the front of the drawer box 52.

[0046] In this embodiment, a through groove 51 is opened in the middle of the top of the workbench 1 to slide inside a drawer box 52 to facilitate the collection of residues generated by grinding and welding, and the drawer-type opening and closing also facilitates the removal for centralized processing. A filter hole 522 is opened at the bottom of the drawer box 52 to separate the residues generated by grinding and welding into solid and liquid.

[0047] Example 3

[0048] like Figure 1 , 7As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a dust reduction mechanism 6 is provided on the back of the workbench 1, and the dust reduction mechanism 6 includes two water pipes 63, and the two water pipes 63 are respectively arranged at the positions on both sides of the center of the back of the workbench 1, and one end of the top of the two water pipes 63 is respectively fixedly connected with a nozzle 64. When the parts are polished, the scheme can prevent the dust generated by the polishing from flying around and polluting the surrounding environment by setting the nozzle 64 for spraying, and the human body inhalation will also affect the health of the human body. At the same time, it can play a role of cooling down during the spraying process to avoid During grinding, the surface temperature of the parts is too high. The dust reduction mechanism 6 also includes a water tank 61, which is fixedly connected to the bottom of the workbench 1, and the interior of the water tank 61 is connected to the water pipe 63. A water pump 62 is fixedly installed at the bottom of the inner wall of the water tank 61, and the water outlet of the water pump 62 is connected to the two water pipes 63 through a three-way pipe. The scheme extracts the coolant from the water tank 61 by setting a water pump 62 to provide it to the nozzle 64 for use, and a filter hole 522 is opened at the bottom of the pump box 52 above the water tank 61 to separate the solid and liquid from the residue generated by grinding and welding, so that the coolant can be reused after filtering.

[0049] In this embodiment, when grinding parts, the nozzle 64 is set to spray, which can prevent the dust generated by grinding from flying around and polluting the surrounding environment, and human inhalation will also affect human health. At the same time, the spraying process can play a cooling role to avoid the surface temperature of the parts being too high during grinding. The water pump 62 is set to extract the coolant from the water tank 61 and provide it to the nozzle 64 for use, and a filter hole 522 is opened at the bottom of the pump box 52 above the water tank 61 to separate the solid and liquid from the residue generated by grinding and welding, so that the coolant can be reused after filtering.

[0050] The following is a detailed description of the working principle of a plasma arc welding machine that is easy to position and grind.

[0051] like Figure 1-7As shown, the pneumatic clamping jaws 23 are provided to fix the two groups of parts to be welded so as to facilitate welding, and the first cylinder 22 is connected to the inner wall of the mounting plate 21 by rotation so as to facilitate the angle adjustment of the parts to be welded, and the first cylinder 22 is extended and retracted so as to facilitate the alignment of the two groups of parts to be welded for welding, and the servo motor 42 is started to drive the grinding disc 43 to rotate so as to facilitate grinding, and the second cylinder 41 is extended and retracted to drive the grinding disc 43 on the servo motor 42 to move so as to facilitate the adjustment of the grinding depth, and the meshing worm wheel 25 is driven to rotate by rotating the worm 26 so as to facilitate the rotation of the first cylinder 22 through the rotating rod 24 to drive the inner wall parts of the pneumatic clamping jaws 23, and because the worm 26 is meshed with the worm wheel 25 for transmission, the self-locking property of the worm 26 meshing with the worm wheel 25 can keep stability so as to facilitate welding, and the worm 26 is meshed with the worm wheel 25 to facilitate the self-locking property of the worm 26 meshing with the worm wheel 25 ... The through groove 51 is provided at the position between the drawers to slide inside and connect the drawer box 52, so as to collect the residues generated by grinding and welding, and the drawer-type opening and closing also facilitates the removal for centralized treatment. By providing a filter hole 522 at the bottom of the drawer box 52, the residues generated by grinding and welding are separated from the solid and liquid. When the parts are polished, the spraying method of the nozzle 64 can be used to prevent the dust generated by the polishing from flying around and polluting the surrounding environment, and the inhalation by the human body can also affect the health of the human body. At the same time, the spraying process can play a role in cooling and preventing the surface temperature of the parts from being too high during polishing. The coolant in the water tank 61 is extracted by the water pump 62 and provided to the nozzle 64 for use, and the filter hole 522 is provided at the bottom of the drawer box 52 above the water tank 61, and the residues generated by grinding and welding are separated from the solid and liquid, so that the coolant can be reused after filtering.

Claims

1. A plasma arc welding machine convenient for positioning and grinding, comprising a workbench (1), characterized in that: A fixing mechanism (2) is provided on the top of the workbench (1); The fixing mechanism (2) comprises two mounting plates (21), the two mounting plates (21) are respectively fixedly connected to positions on both sides of the top of the workbench (1), the inner walls of the two mounting plates (21) are respectively rotatably connected to first cylinders (22), and two groups of the first cylinders (22) are respectively fixedly mounted with pneumatic claws (23) at corresponding ends; A support plate (3) is fixedly connected to the back of the workbench (1), and a welding machine body (31) is fixedly installed on the support plate (3) above the workbench (1).

2. A plasma arc welding machine that facilitates positioning and grinding according to claim 1, characterized in that: A grinding assembly (4) is arranged on the front side of the support plate (3), and the grinding assembly (4) comprises a second cylinder (41). The second cylinder (41) is fixedly mounted on the front side of the support plate (3), a servo motor (42) is fixedly mounted on one end of the front side of the second cylinder (41), and a grinding disc (43) is fixedly connected to a rotating shaft at the output end of the servo motor (42).

3. A plasma arc welding machine that facilitates positioning and grinding according to claim 2, characterized in that: The grinding disc (43) is hemispherical.

4. The plasma arc welding machine that is convenient for positioning and grinding according to claim 1, characterized in that: The fixing mechanism (2) further comprises two rotating rods (24), the two rotating rods (24) being respectively fixedly connected to ends of the first cylinder (22) away from each other, the ends of the two rotating rods (24) away from the first cylinder (22) being respectively fixedly connected to worm wheels (25), positions below the two worm wheels (25) being respectively meshingly connected to worms (26), the two ends of the two worms (26) being respectively rotatably connected to mounting blocks (27) via bearings, and the mounting blocks (27) being fixedly connected to the bottom of the workbench (1).

5. The plasma arc welding machine that is convenient for positioning and grinding according to claim 4, characterized in that: One end of the front side of the two worms (26) is fixedly connected to a hand wheel (28) respectively.

6. The plasma arc welding machine that is convenient for positioning and grinding according to claim 1, characterized in that: A filter assembly (5) is arranged in the middle of the top of the workbench (1), and the filter assembly (5) comprises a through slot (51). The through slot (51) is arranged in the middle of the top of the workbench (1). A drawer box (52) is slidably connected to the front of the workbench (1), and the drawer box (52) opens and closes in a drawer-like manner.

7. The plasma arc welding machine that is convenient for positioning and grinding according to claim 6, characterized in that: The bottom of the drawer box (52) is provided with a filtering hole (522).

8. The plasma arc welding machine that facilitates positioning and grinding according to claim 6, characterized in that: A handle (521) is fixedly mounted on the front of the drawer box (52).

9. The plasma arc welding machine that is convenient for positioning and grinding according to claim 1, characterized in that: A dust suppression mechanism (6) is arranged on the back of the workbench (1), and the dust suppression mechanism (6) comprises two water pipes (63). The two water pipes (63) are respectively arranged at positions on both sides of the center of the back of the workbench (1), and one end of the top of the two water pipes (63) is respectively fixedly connected to a nozzle (64).

10. The plasma arc welding machine that facilitates positioning and grinding according to claim 9, characterized in that: The dust suppression mechanism (6) further comprises a water tank (61), the water tank (61) being fixedly connected to the bottom of the workbench (1), and the interior of the water tank (61) being connected to a water pipe (63), a water pump (62) being fixedly installed at the bottom of the inner wall of the water tank (61), and the water outlet of the water pump (62) being connected to two water pipes (63) respectively via a three-way pipe.

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