Polishing device for inner wall surface of pressure container

Abstract

The utility model relates to the technical field of pressure vessel machining, in particular to a polishing device for the inner wall face of a pressure vessel. According to the polishing device for the inner wall face of the pressure vessel, the inner wall of the pressure vessel can be polished, the distance between the polishing wheels can be conveniently adjusted to adapt to polishing of the inner walls of the pressure vessels of different sizes, and the using flexibility of the polishing device is improved. A polishing device for the inner wall face of a pressure container comprises a base, hydraulic cylinders, a supporting frame and the like, the left hydraulic cylinder and the right hydraulic cylinder are connected to the upper sides of the front portion and the rear portion of the base, and the supporting frame is connected between the telescopic ends of the hydraulic cylinders. The polishing wheel moves to make contact with the inner wall of the pressure container, the first motor and the fourth motor drive the first roller and the rotating frame to rotate reversely, the connecting rod and the polishing wheel are made to rotate, and therefore the inner wall of the pressure container can be polished; and the distance between the polishing wheels can be conveniently adjusted to adapt to polishing of the inner walls of the pressure containers of different sizes, and the using flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel processing, in particular to a device for polishing the inner wall of a pressure vessel. Background Art

[0002] A pressure vessel is a container that can withstand an internal pressure greater than the external pressure, and is usually used to store or transport gases and liquids. Polishing is a surface treatment technology that is mainly used to improve the finish and smoothness of the material surface to achieve a mirror or near-mirror effect. Polishing can not only improve the appearance of the material, but also improve its corrosion resistance, wear resistance and other physical properties.

[0003] A vertical cylindrical pressure vessel tank inner wall grinding and polishing device with a publication (public serial number) of CN115383605A comprises a barrel fixing mechanism, a polishing angle adjustment component, a polishing component and a dust suction component, wherein the barrel fixing mechanism comprises a hydraulic cylinder, two hydraulic rods are fixedly connected to the top of the hydraulic cylinder, an L-shaped fixing plate is fixedly installed on the top of the two hydraulic rods, a first motor is fixedly installed on one side of the L-shaped fixing plate, a first roller is fixedly connected to the other side of the L-shaped fixing plate, a first fixing plate is fixedly installed on the other side of the top of the L-shaped fixing plate, and a second fixing plate is fixedly installed on one side of the first fixing plate; the device is convenient for polishing the inner wall of a pressure vessel barrel with a larger volume and fixing the pressure vessel barrel with a larger volume by arranging the barrel fixing mechanism, the polishing angle adjustment component and the polishing component, although the device can fix the pressure vessel barrel with a larger volume, when it is necessary to grind the inner wall of pressure vessels of different sizes, the device cannot adjust the spacing between the polishing wheels, which is inconvenient to adapt to polishing of pressure vessels of different sizes, resulting in reduced flexibility of use.

[0004] Therefore, it is necessary to design a pressure vessel internal wall polishing device that can polish the inner wall of the pressure vessel, facilitate adjusting the spacing between the polishing wheels to adapt to the polishing of the inner walls of pressure vessels of different sizes, and improve the flexibility of using the device. Utility Model Content

[0005] In order to overcome the shortcomings of current equipment that, when it is necessary to grind the inner walls of pressure vessels of different sizes, the spacing between polishing wheels cannot be adjusted, which makes it inconvenient to adapt to the polishing of pressure vessels of different sizes, resulting in reduced flexibility in use, the utility model provides a pressure vessel internal wall polishing device that can polish the inner wall of the pressure vessel, is convenient to adjust the spacing between polishing wheels to adapt to the polishing of the inner walls of pressure vessels of different sizes, and improves the flexibility of using the device.

[0006] Technical solution: A device for polishing the internal wall of a pressure vessel, comprising a base, a hydraulic cylinder, a support frame, a first roller, a first motor, a sliding frame, a fourth motor, a rotating frame, a first electric push rod, a second electric push rod, a connecting rod and a polishing wheel. The upper sides of the front and rear parts of the base are connected to left and right hydraulic cylinders, a support frame is connected between the telescopic ends of the hydraulic cylinders, the support frame is rotatably connected to the front and rear first rollers, the left side of the front part of the support frame is connected to the first motor, the first roller on the front side is connected to the output shaft of the first motor, the right part of the base is slidably connected to the sliding frame, the right side of the upper part of the sliding frame is connected to the fourth motor, the rotating frame is connected to the output shaft of the fourth motor, the left side of the rotating frame is connected to the first electric push rods on both upper and lower sides, the right side of the rotating frame is connected to the second electric push rods on both upper and lower sides, a connecting rod is connected between the telescopic ends of the first and second electric push rods on the same side, and the left part of the connecting rod is connected to a polishing wheel.

[0007] Furthermore, two front and rear support legs are connected to the lower sides of the left and right parts of the base.

[0008] Furthermore, the first roller is made of steel and has good wear resistance and strength.

[0009] Furthermore, the polishing wheel is made of stainless steel and has good wear resistance and hardness.

[0010] Furthermore, it also includes a second motor, a gear, a rack, a connecting frame and a second roller. The second motor is connected to the lower side of the middle part of the support frame, and the output shaft of the second motor is connected to two upper and lower gears. The front and rear parts of the support frame are both slidably connected to the connecting frame, and the right side of the lower left part of the front connecting frame and the left side of the lower right part of the rear connecting frame are both connected to racks. The gears and racks at the same height are meshed with each other, and the upper part of the connecting frame is rotatably connected to the second roller.

[0011] Furthermore, it also includes a third motor and a screw rod. The third motor is connected to the right side of the base, and the output shaft of the third motor is connected to the screw rod. The screw rod is rotatably connected to the base, and the screw rod is connected to the sliding frame through a thread.

[0012] Compared with the prior art, the utility model has the following advantages: 1. The utility model moves the polishing wheel to contact the inner wall of the pressure vessel, and then drives the first roller and the rotating frame to rotate in opposite directions through the first motor and the fourth motor respectively, so that the connecting rod and the polishing wheel rotate, thereby polishing the inner wall of the pressure vessel. It is convenient to adjust the distance between the polishing wheels to adapt to the polishing of the inner walls of pressure vessels of different sizes, thereby improving the flexibility of using the device.

[0013] 2. The utility model places the pressure vessel on the first roller, and then starts the second motor to operate in reverse, thereby driving the reverse gear to rotate, and the gear and the rack engage with each other, so that the connecting frame moves inward at the same time, so that the second roller contacts the pressure vessel, thereby clamping the pressure vessel, facilitating the clamping of pressure vessels of different sizes and improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the rotating mechanism of the utility model.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the grinding mechanism of the utility model.

[0017] Figure numbers: 1_base, 2_hydraulic cylinder, 3_support frame, 4_first roller, 5_first motor, 6_second motor, 7_gear, 8_rack, 9_connecting frame, 10_second roller, 11_third motor, 12_screw, 13_sliding frame, 14_fourth motor, 15_rotating frame, 16_first electric push rod, 17_second electric push rod, 18_connecting rod, 19_polishing wheel. DETAILED DESCRIPTION

[0018] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, but is not intended to limit the present invention.

[0019] A pressure vessel internal wall polishing device, such as Figure 1-Figure 3As shown, it includes a base 1, a hydraulic cylinder 2, a support frame 3, a first roller 4, a first motor 5, a second motor 6, a gear 7, a rack 8, a connecting frame 9, a second roller 10, a third motor 11, a screw 12, a sliding frame 13, a fourth motor 14, a rotating frame 15, a first electric push rod 16, a second electric push rod 17, a connecting rod 18 and a polishing wheel 19. The lower sides of the left and right parts of the base 1 are connected with front and rear two supporting feet for easy support. The upper sides of the front and rear parts of the base 1 are connected with left and right two hydraulic cylinders 2. The support frame 3 is connected between the telescopic ends of the hydraulic cylinder 2. The support frame 3 is rotatably connected with the front and rear first rollers 4. The first roller 4 is made of steel and has good wear resistance and strength. The first motor 5 is connected to the left side of the front of the support frame 3. The first roller 4 on the front side is connected to the output shaft of the first motor 5. The second motor 6 is connected to the lower side of the middle part of the support frame 3. The upper and lower gears 7 are connected to the output shaft of the second motor 6. The front and rear parts of the support frame 3 are both slidably connected with connecting rods. The connecting frame 9, the right side of the lower left part of the connecting frame 9 on the front side and the left side of the lower right part of the connecting frame 9 on the rear side are both connected with a rack 8, the gear 7 and the rack 8 at the same height are meshed with each other, the upper part of the connecting frame 9 is rotatably connected with the second roller 10, the right side of the base 1 is connected with the third motor 11, the output shaft of the third motor 11 is connected with a screw rod 12, the screw rod 12 is rotatably connected to the base 1, the right part of the base 1 is slidably connected with a sliding frame 13, the screw rod 12 is connected to the sliding frame 13 through a thread, the upper right side of the sliding frame 13 is connected with a fourth motor 14, the output shaft of the fourth motor 14 is connected with a rotating frame 15, the upper and lower sides of the left part of the rotating frame 15 are connected with a first electric push rod 16, the upper and lower sides of the right part of the rotating frame 15 are connected with a second electric push rod 17, the telescopic ends of the first electric push rod 16 and the second electric push rod 17 on the same side are connected with a connecting rod 18, and the left part of the connecting rod 18 is connected with a polishing wheel 19, and the polishing wheel 19 is made of stainless steel and has good wear resistance and hardness.

[0020] When it is necessary to polish the inner wall surface of the pressure vessel, the device can be used, and the device can be brought to the place where the inner wall surface of the pressure vessel needs to be polished, so that the supporting feet are in contact with the ground, and the second motor 6 is started, and the gear 7 is driven to rotate by the second motor 6, and the gear 7 and the rack 8 are meshed and moved, so that the connecting frame 9 moves outward at the same time, and then the pressure vessel is placed on the first roller 4. The first roller 4 is made of steel and has good wear resistance and strength. Then the second motor 6 is started to operate in the reverse direction, thereby driving the reverse gear 7 to rotate, and the gear 7 and the rack 8 are meshed and moved, so that the connecting frame 9 moves inward at the same time, so that the second roller 10 contacts the pressure vessel, so that the pressure vessel can be clamped, which is convenient for adapting to the clamping of pressure vessels of different sizes and improving the convenience of using the device, and then the hydraulic cylinder 2 is started, and the supporting frame 3 is driven to move upward by the hydraulic cylinder 2, thereby driving the first roller 4, the connecting frame 9 and the connecting frame 9 to move upward. After moving to the appropriate position, the third motor 11 is started, and the screw rod 12 is driven to rotate by the third motor 11. Under the action of, the sliding frame 13 moves to the left, thereby driving the fourth motor 14, the rotating frame 15, the first electric push rod 16, the second electric push rod 17, the connecting rod 18 and the polishing wheel 19 to move to the left, so that the polishing wheel 19 enters the pressure vessel, and then the first electric push rod 16 and the second electric push rod 17 are started, and the connecting rod 18 is driven to move by the first electric push rod 16 and the second electric push rod 17, and then the polishing wheel 19 is driven to move, so that the polishing wheel 19 contacts the inner wall of the pressure vessel. The polishing wheel 19 is made of stainless steel and has good wear resistance and hardness. Then the first motor 5 and the fourth motor 14 are started, and the first motor 5 and the fourth motor 14 are used to drive the first roller 4 and the rotating frame 15 to rotate in the opposite direction, so that the second roller 10 rotates, and the connecting rod 18 and the polishing wheel 19 rotate, so that the inner wall of the pressure vessel can be polished, so that the spacing between the polishing wheels 19 can be adjusted to adapt to the polishing of the inner walls of pressure vessels of different sizes, thereby improving the flexibility of using the device. After polishing is completed, the first motor 5 and the fourth motor 14 are turned off, and then the pressure vessel can be removed.

[0021] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A pressure vessel internal wall polishing device, characterized in that: The invention comprises a base (1), a hydraulic cylinder (2), a support frame (3), a first roller (4), a first motor (5), a sliding frame (13), a fourth motor (14), a rotating frame (15), a first electric push rod (16), a second electric push rod (17), a connecting rod (18) and a polishing wheel (19). The upper sides of the front and rear parts of the base (1) are both connected to the left and right hydraulic cylinders (2). The support frame (3) is connected between the telescopic ends of the hydraulic cylinders (2). The support frame (3) is rotatably connected to the front and rear first rollers (4). The left side of the front part of the support frame (3) is connected to the first motor (5). The first roller (16) on the front side is connected to the first motor (5). 4) is connected to the output shaft of the first motor (5), the right part of the base (1) is slidably connected to a sliding frame (13), the upper right part of the sliding frame (13) is connected to a fourth motor (14), the output shaft of the fourth motor (14) is connected to a rotating frame (15), the left upper and lower sides of the rotating frame (15) are connected to first electric push rods (16), the right upper and lower sides of the rotating frame (15) are connected to second electric push rods (17), the telescopic ends of the first electric push rod (16) and the second electric push rod (17) on the same side are connected to connecting rods (18), and the left part of the connecting rod (18) is connected to a polishing wheel (19).

2. The device for polishing the inner wall of a pressure vessel according to claim 1, characterized in that: Two front and rear support legs are connected to the lower sides of the left and right parts of the base (1).

3. The pressure vessel inner wall polishing device according to claim 2, characterized in that: The first roller (4) is made of steel and has good wear resistance and strength.

4. The device for polishing the inner wall of a pressure vessel according to claim 3, characterized in that: The polishing wheel (19) is made of stainless steel and has good wear resistance and hardness.

5. The device for polishing the inner wall of a pressure vessel according to claim 4, characterized in that: The invention also comprises a second motor (6), a gear (7), a rack (8), a connecting frame (9) and a second roller (10); the lower middle part of the supporting frame (3) is connected to the second motor (6); the output shaft of the second motor (6) is connected to two upper and lower gears (7); the front and rear parts of the supporting frame (3) are both slidably connected to the connecting frame (9); the right side of the lower left part of the front connecting frame (9) and the left side of the lower right part of the rear connecting frame (9) are both connected to the rack (8); the gear (7) and the rack (8) at the same height are meshed with each other; the upper part of the connecting frame (9) is rotatably connected to the second roller (10).

6. The pressure vessel inner wall polishing device according to claim 5, characterized in that: The invention also comprises a third motor (11) and a screw rod (12). The third motor (11) is connected to the right side of the base (1). The output shaft of the third motor (11) is connected to the screw rod (12). The screw rod (12) is rotatably connected to the base (1). The screw rod (12) is connected to the sliding frame (13) via a thread.

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