Roll surface plasma spraying device

Abstract

The utility model relates to the technical field of roller surface spraying, in particular to a roller surface plasma spraying device which comprises a base and a spraying powder box, an overturning mechanism is installed on the top of the base, a rack is fixedly connected to the rear side of the top of the base through bolts, a displacement mechanism is installed on the surface of the rack, and a spraying powder box is installed on the displacement mechanism. And a spraying mechanism is mounted on the surface of the powder spraying box. The distance between the idler wheels on the two sides is adjusted according to the length of the roller, the two ends of the roller are arranged at the idler wheels on the two sides, the first motor is controlled to operate to enable the rotating rod and the hexagonal rod on the left side to rotate, then the rotating rods, the chain wheels and the chains on the two sides rotate, and the rotating columns and the idler wheels on the rear side rotate; therefore, the roller overturning device has the advantage of being capable of overturning the roller, the surface of the roller is fully sprayed by a movable plasma spray gun, the roller does not need to be manually rotated, the spray gun is held by hand for spraying, and meanwhile, supporting rotation can be adjusted according to the size of the roller.

Description

Technical Field

[0001] The utility model relates to the technical field of roller surface spraying, in particular to a roller surface plasma spraying device. Background Art

[0002] In the process of manufacturing mechanical parts, rollers are important transmission components. Their surface wear resistance, hardness and corrosion resistance have an important impact on improving the service life of rollers and ensuring the stable operation of mechanical equipment. Plasma spraying devices are required for roller surface spraying.

[0003] After searching, the patent number is CN114318205A, and the name is an invention of a plasma spraying device, which includes a box body, a plasma spray gun, a nozzle and an adjustment component. Through research and analysis, it is found that although it has the advantage of being able to spray other surfaces of the workpiece, it still has the following disadvantages to a certain extent.

[0004] For example, it is not convenient to spray roller-type workpieces. The other surfaces of the workpiece can only be sprayed by adjusting and rotating the angle of the placement plate. The roller cannot be directly driven to rotate and the plasma spray gun can be reciprocated to spray the surface of the roller. The spraying efficiency is low and the spraying is not comprehensive. In order to solve the above technical problems, we have designed a roller surface plasma spraying device. Utility Model Content

[0005] The utility model aims to provide a roller surface plasma spraying device, which has the advantages of flip spraying, high spraying efficiency and comprehensive spraying, and solves the problem that it is inconvenient to spray roller-type workpieces, and the other surfaces of the workpiece can only be sprayed by adjusting and rotating the angle of the placement plate, and the spraying efficiency is low and the spraying is not comprehensive.

[0006] To achieve the above object, the utility model provides the following technical solutions: a roller surface plasma spraying device, comprising a base and a spray powder box, the top of the base is equipped with a flip mechanism, the rear side of the top of the base is fixedly connected to a frame by bolts, the surface of the frame is equipped with a displacement mechanism, the surface of the spray powder box is equipped with a spray mechanism, and the displacement mechanism includes a moving block;

[0007] The flip mechanism includes a square plate, a vertical plate, a rotating column, a roller, a connecting plate, a rotating rod, a motor, a hexagonal rod, a sprocket, a chain, a slider and a fixing bolt. The number of the square plates is two, and they are respectively distributed on both sides of the top of the base. The bottom of the left square plate is fixedly connected to the left side of the top of the base, and the bottom of the right square plate is slidably connected to the right side of the top of the base. The number of the sliders is two, and they are respectively slidably connected to the right side of the base surface. The top of the slider is fixedly connected to the bottom of the right square plate

[0008] Preferably, the number of the vertical plates is four, and they are respectively fixed on the top of the square plates on both sides; the number of the rotating columns is four, and they are respectively rotatably embedded in one side of the four vertical plates through bearings; the number of the rollers is four, and they are respectively fixedly connected to one side of the four rotating columns; the number of the connecting plates is two, and they are respectively fixedly connected to the back sides of the two vertical plates on the rear side; the number of the rotating rods is two, and they are respectively rotatably embedded in one side of the two connecting plates through bearings; and the bottom of the motor 1 is fixedly connected to the left rear of the top of the base through a support.

[0009] Preferably, the left end of the hexagonal rod is fixedly connected to the right side of the rotating rod on the left side, and the right end of the hexagonal rod slides through the right end of the rotating rod on the right side. The number of sprockets is four, and they are respectively fixedly mounted on the surfaces of the two rotating columns and the two rotating rods on the rear side, the chain transmission sleeve is mounted on the surface of the sprocket, and the number of fixing bolts is two, and they are respectively threaded and embedded in the top of the square plate on the right side.

[0010] Preferably, the displacement mechanism includes a shell, a fixed block, a second motor and a screw rod. The back side of the shell is fixedly connected to the front end of the frame by bolts. There are two fixed blocks, which are respectively fixed on both sides of the top of the shell. One side of the second motor is fixedly connected to the right side of the fixed block on the right side by bolts. The rotating shaft of the second motor passes through the fixed block and is fixedly connected to the right end of the screw rod.

[0011] Preferably, the left end of the screw rod is rotatably embedded in the left side of the fixed block on the left side through a bearing, and the movable block is threadedly sleeved on the surface of the screw rod.

[0012] Preferably, the spraying mechanism includes a delivery pump, a bent pipe, a plasma spray gun and a hose, the bottom of the delivery pump is fixedly connected to the top of the spray powder box through a support, the input end of the delivery pump is communicated with one end of the bent pipe, the other end of the bent pipe passes through the inner cavity of the spray powder box, one end of the plasma spray gun passes through and is fixedly embedded in the bottom of the moving block, the output end of the delivery pump is communicated with one end of the hose, and the other end of the hose is communicated with the upper end of the plasma spray gun.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model adjusts the spacing between the rollers on both sides according to the length of the roller, so that the slider moves in the base, and then the square plate, vertical plate, roller, connecting plate, rotating rod and sprocket on the right side move to the left. After the adjustment is completed, the fixing bolt is rotated to make one end of it closely contact with the surface of the base, the square plate and the slider on the right side are positioned, and the two ends of the roller are placed on the rollers on both sides. The operation of motor 1 is controlled to rotate the rotating rod and the hexagonal rod on the left side, and then the rotating rod, sprocket and chain on both sides are rotated, and the rotating column and roller on the rear side are rotated, so that the roller can be turned over, so that the mobile plasma spray gun can fully spray the surface of the roller, and there is no need to manually rotate the roller and hold the spray gun for spraying. At the same time, the support rotation can be adjusted according to the size of the roller.

[0015] 2. The utility model controls the operation of the delivery pump and the second motor. The operation of the delivery pump sprays the spray liquid in the spray powder box through the elbow and the hose from the flame of the plasma spray gun. The operation of the second motor rotates the screw rod, and then the moving block moves to drive the plasma spray gun to move. Thus, the utility model has the advantage of being able to spray the surface of the flipped roller, thereby improving the efficiency of spraying and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a partial left-side cutaway stereoscopic schematic diagram of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the turning mechanism of the utility model.

[0019] In the figure: 1. base; 2. spray powder box; 3. flip mechanism; 31. square plate; 32. vertical plate; 33. rotating column; 34. roller; 35. connecting plate; 36. rotating rod; 37. motor 1; 38. hexagonal rod; 39. sprocket; 310. chain; 311. slider; 312. fixing bolt; 4. frame; 5. displacement mechanism; 51. shell; 52. fixing block; 53. motor 2; 54. screw; 55. moving block; 6. spray mechanism; 61. delivery pump; 62. elbow; 63. plasma spray gun; 64. hose. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 3 A roller surface plasma spraying device comprises a base 1 and a spray powder box 2, a turning mechanism 3 is installed on the top of the base 1, a frame 4 is fixedly connected to the rear side of the top of the base 1 by bolts, a displacement mechanism 5 is installed on the surface of the frame 4, a spray mechanism 6 is installed on the surface of the spray powder box 2, and the displacement mechanism 5 includes a moving block 55;

[0021] The flip mechanism 3 includes a square plate 31, a vertical plate 32, a rotating column 33, a roller 34, a connecting plate 35, a rotating rod 36, a motor 37, a hexagonal rod 38, a sprocket 39, a chain 310, a slider 311 and a fixing bolt 312. There are two square plates 31, which are respectively distributed on both sides of the top of the base 1. The bottom of the left square plate 31 is fixedly connected to the left side of the top of the base 1, and the bottom of the right square plate 31 is slidably connected to the right side of the top of the base 1. There are two sliders 311. By setting the slider 311, the square plate 31 on the right side can move on the right side of the top of the base 1 without tipping over, and are respectively slidably connected to the right side of the surface of the base 1. The top of the slider 311 is fixedly connected to the bottom of the right square plate 31

[0022] See also Figure 1 and Figure 3 There are four vertical plates 32, which are respectively fixed on the top of the square plates 31 on both sides. There are four rotating columns 33, which are respectively rotatably embedded in one side of the four vertical plates 32 through bearings. By setting the vertical plates 32, a position is provided for the installation of the rotating columns 33, while maintaining a certain distance from the top of the base 1. There are four rollers 34, which are respectively fixedly connected to one side of the four rotating columns 33. By setting the rollers 34, the rollers are supported and can drive the rollers to flip when they rotate. There are two connecting plates 35, which are respectively fixedly connected to the back sides of the two vertical plates 32 on the rear side. There are two rotating rods 36, which can drive the sprocket 39 thereon to rotate when they are rotated, and they are respectively rotatably embedded in one side of the two connecting plates 35 through bearings. The bottom of the motor 1 37 is fixedly connected to the left rear of the top of the base 1 through a support.

[0023] See also Figure 1 and Figure 3 The left end of the hexagonal rod 38 is fixedly connected to the right side of the rotating rod 36 on the left side, and the right end of the hexagonal rod 38 slides through the right end of the rotating rod 36 on the right side. By setting the hexagonal rod 38, the rotating rod 36 on the right side can be rotated when it is rotated. At the same time, when the position of the square plate 31 on the right side is adjusted, the rotating rod 36 on the right side can move on the surface of the hexagonal rod 38. The number of sprockets 39 is four, and they are respectively fixedly sleeved on the surfaces of the two rotating columns 33 and the two rotating rods 36 on the rear side. The chain 310 transmission sleeve is arranged on the surface of the sprocket 39. By setting the sprocket 39 and the chain 310, the rotating column 33 is rotated under the rotation of the rotating rod 36, and then the rollers 34 on both sides of the rear side are rotated, driving the rollers placed on its surface to rotate. The number of fixing bolts 312 is two. By setting the fixing bolts 312, the movable adjustment rear plate 31 and the slider 311 are positioned and fixed, and they are respectively threadedly embedded in the top of the square plate 31 on the right side.

[0024] See also Figure 1 and Figure 2The displacement mechanism 5 includes a shell 51, a fixed block 52, a second motor 53 and a screw rod 54. The back of the shell 51 is fixedly connected to the front end of the frame 4 by bolts. There are two fixed blocks 52, which are respectively fixed on both sides of the top of the shell 51. One side of the second motor 53 is fixedly connected to the right side of the right fixed block 52 by bolts. The rotating shaft of the second motor 53 passes through the fixed block 52 and is fixedly connected to the right end of the screw rod 54. By setting the screw rod 54, the second motor 53 is driven to rotate, thereby moving the moving block 55, so that the moving block 55 drives the plasma spray gun 63 to move.

[0025] See also Figure 2 The left end of the screw rod 54 is rotatably embedded in the left side of the fixed block 52 on the left side through a bearing, and the moving block 55 is threadedly sleeved on the surface of the screw rod 54.

[0026] See also Figure 1 and Figure 2 The spraying mechanism 6 includes a delivery pump 61, a curved pipe 62, a plasma spray gun 63 and a hose 64. The bottom of the delivery pump 61 is fixedly connected to the top of the spray powder box 2 through a support. The input end of the delivery pump 61 is connected to one end of the curved pipe 62, and the other end of the curved pipe 62 passes through the inner cavity of the spray powder box 2. One end of the plasma spray gun 63 passes through and is fixedly embedded in the bottom of the moving block 55. The output end of the delivery pump 61 is connected to one end of the hose 64. By setting the hose 64, the delivery pump 61 and the plasma spray gun 63 are kept connected, and at the same time, the movement of the plasma spray gun 63 driven by the moving block 55 is not hindered. The other end of the hose 64 is connected to the upper end of the plasma spray gun 63.

[0027] When in use, the spacing between the rollers 34 on both sides is adjusted according to the length of the rollers, so that the slider 311 moves in the base 1, and then the square plate 31, the vertical plate 32, the roller 34, the connecting plate 35, the rotating rod 36 and the sprocket 39 on the right side move to the left. After the adjustment is completed, the fixing bolt 312 is rotated to make one end of it closely contact with the surface of the base 1, the square plate 31 and the slider 311 on the right side are positioned, and the two ends of the roller are placed on the rollers 34 on both sides. The operation of the motor 1 37 is controlled to make the rotating rod 36 and the hexagonal rod 38 on the left side rotate. The roller is turned over by controlling the operation of the delivery pump 61 and the motor 2 53. The operation of the delivery pump 61 sprays the spray liquid in the spray powder box 2 through the bend 62 and the hose 64 from the flame of the plasma spray gun 63. The operation of the motor 2 53 rotates the screw rod 54, and then the moving block 55 moves to drive the plasma spray gun 63 to move, spraying the turned roller surface, thereby improving the spraying efficiency.

[0028] In summary: the roller surface plasma spraying device, through the cooperation of the base 1, the spray powder box 2, the turning mechanism 3, the frame 4, the displacement mechanism 5 and the spraying mechanism 6, solves the problems that it is inconvenient to spray the roller-type workpiece, and the other surfaces of the workpiece can only be sprayed by adjusting and rotating the angle of the placement plate, and the spraying efficiency is low and the spraying is not comprehensive.

Claims

1. A roller surface plasma spraying device, comprising a base (1) and a spray powder box (2), characterized in that: A turning mechanism (3) is installed on the top of the base (1), the rear side of the top of the base (1) is fixedly connected to a frame (4) by bolts, a displacement mechanism (5) is installed on the surface of the frame (4), a spraying mechanism (6) is installed on the surface of the spray powder box (2), and the displacement mechanism (5) includes a moving block (55); The turning mechanism (3) comprises a square plate (31), a vertical plate (32), a rotating column (33), a roller (34), a connecting plate (35), a rotating rod (36), a motor (37), a hexagonal rod (38), a sprocket (39), a chain (310), a slider (311) and a fixing bolt (312). The number of the square plates (31) is two and they are respectively distributed on both sides of the top of the base (1). The bottom of the left square plate (31) is fixedly connected to the left side of the top of the base (1), and the bottom of the right square plate (31) is slidably connected to the right side of the top of the base (1). The number of the sliders (311) is two and they are respectively slidably connected to the right side of the surface of the base (1). The top of the slider (311) is fixedly connected to the bottom of the right square plate (31).

2. A roller surface plasma spraying device according to claim 1, characterized in that: There are four vertical plates (32) and they are fixed on the tops of the square plates (31) on both sides respectively. There are four rotating columns (33) and they are rotatably mounted on one side of the four vertical plates (32) through bearings respectively. There are four rollers (34) and they are fixedly connected to one side of the four rotating columns (33) respectively. There are two connecting plates (35) and they are fixedly connected to the backs of the two vertical plates (32) at the rear side respectively. There are two rotating rods (36) and they are rotatably mounted on one side of the two connecting plates (35) respectively through bearings. The bottom of the motor 1 (37) is fixedly connected to the left rear of the top of the base (1) through a support.

3. The roller surface plasma spraying device according to claim 1, characterized in that: The left end of the hexagonal rod (38) is fixedly connected to the right side of the left rotating rod (36), and the right end of the hexagonal rod (38) slides through the right end of the right rotating rod (36). There are four sprockets (39) and they are respectively fixedly sleeved on the surfaces of the two rotating columns (33) and the two rotating rods (36) at the rear side. The chain (310) transmission sleeve is sleeved on the surface of the sprocket (39). There are two fixing bolts (312) and they are respectively threadedly embedded in the top of the square plate (31) on the right side.

4. The roller surface plasma spraying device according to claim 1, characterized in that: The displacement mechanism (5) comprises a housing (51), a fixing block (52), a second motor (53) and a screw rod (54); the back side of the housing (51) is fixedly connected to the front end of the frame (4) by means of bolts; the number of the fixing blocks (52) is two and they are respectively fixed to the two sides of the top of the housing (51); one side of the second motor (53) is fixedly connected to the right side of the fixing block (52) on the right side by means of bolts; the rotating shaft of the second motor (53) passes through the fixing block (52) and is fixedly connected to the right end of the screw rod (54).

5. A roller surface plasma spraying device according to claim 4, characterized in that: The left end of the screw rod (54) is rotatably embedded in the left side of the fixed block (52) on the left side through a bearing, and the moving block (55) is threadedly sleeved on the surface of the screw rod (54).

6. The roller surface plasma spraying device according to claim 1, characterized in that: The spraying mechanism (6) comprises a delivery pump (61), a curved pipe (62), a plasma spray gun (63) and a hose (64); the bottom of the delivery pump (61) is fixedly connected to the top of the spray powder box (2) through a support; the input end of the delivery pump (61) is communicated with one end of the curved pipe (62); the other end of the curved pipe (62) penetrates into the inner cavity of the spray powder box (2); one end of the plasma spray gun (63) penetrates and is fixedly embedded in the bottom of the moving block (55); the output end of the delivery pump (61) is communicated with one end of the hose (64); the other end of the hose (64) is communicated with the upper end of the plasma spray gun (63).

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