Automatic cleaning and drying machine for gas cylinder

Abstract

The utility model discloses automatic cleaning drying machine of gas cylinder belongs to gas cylinder processing technical field, specifically includes the base, sets up the gas cylinder lifting frame at the one side of base, the vertical sliding connection of gas cylinder lifting frame has the drive frame, sets up the gas cylinder placing stand above the drive frame, one end of gas cylinder placing stand is rotatively connected in the drive frame, sets up the gas cylinder cleaning frame at one end of gas cylinder placing stand, fixedly connected on the base on gas cylinder cleaning frame, the sliding connection of mobile board has on gas cylinder cleaning frame, fixedly connected with the spray bar on mobile board, the top fixed connection of spray bar has the spray head, the utility model discloses can effectively clean the adherend of gas cylinder polishing after inner wall remains, and can effectively dry the gas cylinder after cleaning, prevent the gas cylinder after cleaning and adhere water drop adsorption air's impurity etc. Pollutant, improve the cleanliness of gas cylinder, and the equipment operation is convenient and fast, saves time and labor.

Description

Technical Field

[0001] This utility model belongs to the field of gas cylinder processing technology, specifically relating to an automatic gas cylinder cleaning and drying machine. Background Technology

[0002] In the gas industry, special gases such as ultrapure gases, electronic gases, and standard gases have extremely high requirements for the smoothness of the inner wall of the gas cylinder. The inner wall of an unpolished gas cylinder is relatively rough, and its smoothness cannot meet the requirements for containing special gases.

[0003] With the development of domestic technology and market changes, the demand for steel gas cylinders in various industries such as electronics, medical, automotive, and aviation is increasing. This has led to an urgent need for the development of cleaning and drying technology for the inner wall of steel gas cylinders after polishing. Currently, gas cylinder cleaning is generally done manually by holding a spray bar, which is labor-intensive and has low efficiency. Therefore, there is a need to provide an automatic gas cylinder cleaning and drying machine to solve the above-mentioned technical problems. Utility Model Content

[0004] To address the problems mentioned in the background section, this utility model provides an automatic gas cylinder cleaning and drying machine, which features automatic cleaning and drying of gas cylinders, saving time and labor, and achieving high cleaning and drying efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic gas cylinder cleaning and drying machine, including a base; A gas cylinder lifting frame is set on one side of the base, and a drive frame is vertically slidably connected to the gas cylinder lifting frame to adjust the vertical height of the gas cylinder on the gas cylinder lifting frame. A gas cylinder placement rack is set above the drive frame, one end of which is rotatably connected to the drive frame for the purpose of flipping the gas cylinders on the drive frame. A gas cylinder cleaning rack is installed at one end of a gas cylinder placement rack. The gas cylinder cleaning rack is fixedly connected to a base. A spray bar is slidably connected to the gas cylinder cleaning rack. A nozzle is fixedly connected to the top of the spray bar, which is used to extend from the gas cylinder nozzle into the inner wall of the gas cylinder to clean and dry the inner wall of the gas cylinder.

[0006] Preferably, the gas cylinder lifting frame is provided with a first driving mechanism for sliding the driving frame on the gas cylinder lifting frame; The first drive mechanism includes a first lead screw, which is rotatably connected to the gas cylinder lifting frame, and one end of the first lead screw is connected to a first servo motor on the gas cylinder lifting frame. A lifting seat is threaded onto the first lead screw, and a lifting plate is fixedly connected to the lifting seat. The lifting plate is fixedly connected to the drive frame. Both sides of the first lead screw are provided with a first guide rail that is fixedly connected to the gas cylinder lifting frame. A first slider is slidably connected on the first guide rail, and the first slider is fixedly connected to the lifting plate.

[0007] Preferably, the gas cylinder placement rack includes a flip frame, and flip shafts are fixedly connected to both sides of one end of the flip frame. Bearing seats that are fixedly connected to the drive frame are rotatably connected to both sides of the flip shafts. Multiple limiting rollers are rotatably connected to the flip frame, and the multiple limiting rollers are distributed at intervals along the axial direction of the flip frame; A baffle is fixedly connected to one end of the flipping frame adjacent to the flipping shaft, and a slot for placing the gas cylinder nozzle is provided on the top of the baffle.

[0008] Preferably, a tilting cylinder is provided below the tilting frame, the cylinder barrel of the tilting cylinder is hinged to the drive frame, and a connecting plate is hinged to the other end of the tilting cylinder, the connecting plate being fixedly connected to the tilting frame.

[0009] Preferably, a gas cylinder clamping mechanism is provided above the gas cylinder placement rack for clamping and fixing the gas cylinder. The gas cylinder clamping mechanism includes a clamping frame, which is fixedly connected to the flip frame. A clamping cylinder is fixedly connected to the top of the clamping frame. The telescopic end of the clamping cylinder passes through the clamping frame and is fixedly connected to a clamping plate that is adapted to the outer wall of the gas cylinder.

[0010] Preferably, the gas cylinder cleaning rack is provided with a second driving mechanism for making the spray bar slide vertically on the gas cylinder cleaning rack; The second drive mechanism includes a second lead screw, which is rotatably connected to the gas cylinder cleaning frame, and one end of the second lead screw is connected to a second servo motor on the gas cylinder cleaning frame. The second lead screw is threaded with a movable seat, and the other end of the movable seat is fixedly connected to a movable plate. The movable plate is connected to a mounting plate through a third drive mechanism, and the mounting plate is fixedly connected to the spray bar. The second lead screw is provided with a second guide rail on both sides, which is fixedly connected to the gas cylinder cleaning rack. A second slider is slidably connected on the second guide rail, and the second slider is fixedly connected to the moving plate.

[0011] Preferably, the third driving mechanism includes a support plate, which is fixedly connected to the movable plate, and an adjusting plate is slidably connected above the support plate, the adjusting plate being fixedly connected to the mounting plate; A rack is fixedly connected to the bottom of the adjustment plate, and a gear is meshed below the rack. The gear is connected to a third servo motor located on one side of the support plate. The support plate is fixedly connected to both sides of the rack with third guide rails, and a third slider is slidably connected to the third guide rails. The third slider is fixedly connected to the adjustment plate.

[0012] Preferably, a three-way connector is fixedly connected to the bottom of the spray bar. One end of the three-way connector is connected to a water inlet pipe through a high-pressure shut-off valve, and the other end of the water inlet pipe is connected to a water supply device. The other end of the three-way connector is connected to a nitrogen pipe through a high-temperature shut-off valve, and the other end of the nitrogen pipe is connected to a gas supply device.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This invention can effectively clean the residue remaining on the inner wall of gas cylinders after polishing, and can effectively dry the cleaned gas cylinders to prevent water droplets from adsorbing impurities and other pollutants from the air, thereby improving the cleanliness of the gas cylinders. The equipment is convenient and quick to operate, saving time and effort. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the main structure of this utility model; Figure 3 This is a three-dimensional structural diagram of the gas cylinder placement rack of this utility model; Figure 4 This is a three-dimensional structural diagram of the gas cylinder cleaning rack of this utility model; Figure 5 This is a schematic diagram of the third drive mechanism of this utility model; In the diagram: 1. Base; 2. Gas cylinder lifting frame; 3. First drive mechanism; 31. First lead screw; 32. Lifting plate; 33. First guide rail; 4. Drive frame; 5. Gas cylinder placement rack; 51. Flipping frame; 52. Flipping shaft; 53. Limiting roller; 54. Baffle; 55. Flipping cylinder; 6. Gas cylinder pressing mechanism; 61. Pressing frame; 62. Pressing cylinder; 63. Pressing plate; 7. Gas cylinder cleaning rack; 8. Second drive mechanism; 81. Second lead screw; 82. Moving plate; 83. Mounting plate; 84. Second guide rail; 9. Spray bar; 10. Third drive mechanism; 101. Support plate; 102. Adjusting plate; 103. Rack; 104. Gear; 105. Third guide rail. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example Please see Figure 1-5 This embodiment provides the following technical solution: an automatic gas cylinder cleaning and drying machine, including a base 1; A gas cylinder lifting frame 2 is set on the rear side of the base 1. A drive frame 4 is vertically slidably connected to the gas cylinder lifting frame 2 to adjust the vertical height of the gas cylinder on the gas cylinder lifting frame 2. A first drive mechanism 3 is set on the gas cylinder lifting frame 2 to make the drive frame 4 slide on the gas cylinder lifting frame 2. Through the first drive mechanism 3, the fixed gas cylinder can be lifted upward to a certain height.

[0017] The first drive mechanism 3 includes a first lead screw 31, which is rotatably connected to the gas cylinder lifting frame 2 and is arranged along the height direction of the gas cylinder lifting frame 2. The bottom end of the first lead screw 31 is connected to a first servo motor on the gas cylinder lifting frame 2. A lifting seat is threaded onto the first lead screw 31, and a lifting plate 32 is fixedly connected to the lifting seat. The lifting plate 32 is fixedly connected to the drive frame 4. First guide rails 33 are provided on both the left and right sides of the first lead screw 31 and are fixedly connected to the gas cylinder lifting frame 2. First sliders are slidably connected to the first guide rails 33 and are fixedly connected to the lifting plate 32. The first servo motor can make the first lead screw 31 rotate. With the cooperation of the first guide rails 33 and the first sliders, the lifting seat and the lifting plate 32 are vertically limited, thereby converting the rotational movement of the lifting plate 32 into vertical movement, which is beneficial for the drive frame 4 to drive the gas cylinder to move up or down on the gas cylinder lifting frame 2.

[0018] In some embodiments, an upper limit limit switch is fixedly connected to the upper end of one side of the gas cylinder lifting frame 2, and a lower limit limit switch is fixedly connected to the lower end of one side of the gas cylinder lifting frame 2. When the lifting plate 32 and the drive frame 4 move up or down to the maximum distance, the corresponding limit switch is touched, the internal contacts are activated, and a "position signal" is sent to the PLC controller. After receiving the signal, the PLC controller outputs a command to stop the first servo motor from rotating, rotate in the opposite direction, or decelerate and buffer, thereby realizing the position positioning of the lifting plate 32 and the drive frame 4.

[0019] A gas cylinder placement rack 5 is installed above the drive frame 4. The right end of the gas cylinder placement rack 5 is rotatably connected to the drive frame 4 to allow the gas cylinder to be flipped on the drive frame 4. The gas cylinder placement rack 5 includes a flipping frame 51. The front and rear sides of the right end of the flipping frame 51 are fixedly connected to flipping shafts 52. The front and rear flipping shafts 52 are rotatably connected to bearing seats that are fixedly connected to the drive frame 4. A flipping cylinder 55 is installed below the flipping frame 51. The cylinder barrel of the flipping cylinder 55 is hinged to the drive frame 4. The other end of the flipping cylinder 55 is hinged to a connecting plate, which is fixedly connected to the flipping frame 51. By using the flipping cylinder 55, the gas cylinder can be fixedly placed on the gas cylinder placement rack 5, and the flipping frame 51 can be flipped around the flipping shaft 52 as the center, flipping the horizontally placed gas cylinder to 90°, so that the gas cylinder nozzle is set vertically downward, which is convenient for cleaning and drying the inner wall of the gas cylinder.

[0020] Multiple limiting rollers 53 are rotatably connected to the flip frame 51. The multiple limiting rollers 53 are distributed at intervals along the axial direction of the flip frame 51. In some embodiments, the limiting rollers 53 are V-shaped rollers. By setting the limiting rollers 53, the gas cylinder can be placed on the gas cylinder placement rack 5 and then pushed to move the gas cylinder, reducing the friction between the gas cylinder and the gas cylinder placement rack 5, and pushing the gas cylinder to the right to a fixed position.

[0021] The right end of the flip frame 51 is fixedly connected to an upwardly protruding baffle 54. The top of the baffle 54 is provided with a slot for placing the gas cylinder nozzle. Through the baffle 54, the maximum distance the gas cylinder moves to the right can be positioned during the process of pushing the gas cylinder to the right. With the cooperation of the slot, the gas cylinder nozzle is locked on the baffle 54, and the end of the gas cylinder is limited.

[0022] A gas cylinder clamping mechanism 6 is provided above the gas cylinder placement rack 5 for clamping and fixing the gas cylinder. The gas cylinder clamping mechanism 6 includes a clamping frame 61, which is fixedly connected to the flipping frame 51. A clamping cylinder 62 is fixedly connected to the top of the clamping frame 61. The telescopic end of the clamping cylinder 62 passes through the clamping frame 61 and is fixedly connected to a clamping plate 63 that is adapted to the outer wall of the gas cylinder. In some embodiments, the clamping frame 61 is a gate-shaped structure. After the gas cylinder is moved to a fixed position by the clamping cylinder 62, the clamping plate 63 moves downward until the bottom wall of the clamping plate 63 is in contact with the outer wall of the gas cylinder, applying vertical pressure to the gas cylinder and fixing the gas cylinder on the gas cylinder placement rack 5, so that the flipping frame 51 can drive the gas cylinder to flip.

[0023] A gas cylinder cleaning rack 7 is located at the right end of the gas cylinder placement rack 5. The gas cylinder cleaning rack 7 is fixedly connected to the base 1. A spray rod 9 is slidably connected to the gas cylinder cleaning rack 7. A nozzle is fixedly connected to the top of the spray rod 9. The nozzle is used to extend from the gas cylinder nozzle into the inner wall of the gas cylinder to clean and dry the inner wall of the gas cylinder. In some embodiments, the nozzle can be a rotary nozzle or a multi-hole direct spray nozzle, which can effectively clean the residues remaining on the inner wall of the gas cylinder after polishing and can effectively dry the cleaned gas cylinder, preventing water droplets from adsorbing impurities and other pollutants from the air after cleaning, thereby improving the cleanliness of the gas cylinder. The equipment is convenient and quick to operate, saving time and effort.

[0024] A second drive mechanism 8 is provided on the gas cylinder cleaning rack 7 to make the spray bar 9 slide vertically on the gas cylinder cleaning rack 7; the second drive mechanism 8 includes a second lead screw 81, which is rotatably connected to the gas cylinder cleaning rack 7, and the top end of the second lead screw 81 is drivenly connected to a second servo motor on the gas cylinder cleaning rack 7; a movable seat is threaded on the second lead screw 81, and a movable plate 82 is fixedly connected to the other end of the movable seat. A mounting plate 83 is connected to the movable plate 82 through a third drive mechanism 10. The mounting plate 83 is fixedly connected to the spray bar 9. The front and rear sides of the second lead screw 81 are provided with gas cylinder cleaning... The frame 7 is fixedly connected to the second guide rail 84, and the second slider is slidably connected to the second guide rail 84. The second slider is fixedly connected to the moving plate 82. In some embodiments, the spray bar 9 is vertically fixedly connected to the mounting plate 83. By setting the second servo motor, when the flipping frame 51 drives the gas cylinder to flip to 90°, the second lead screw 81 can be rotated. Under the limiting action of the second guide rail 84 and the second slider, the moving seat and the moving plate 82 can move vertically, so that the mounting plate 83 can drive the spray bar 9 to move vertically, so that the nozzle extends into or out of the gas cylinder.

[0025] In some embodiments, an upper limit limit switch is fixedly connected to the upper end of one side of the gas cylinder cleaning rack 7, and a lower limit limit switch is fixedly connected to the lower end of one side of the gas cylinder cleaning rack 7. When the moving base and the moving plate 82 move up or down to the maximum distance, the corresponding limit switch is touched, the internal contacts are activated, and a "position signal" is sent to the PLC controller. After receiving the signal, the PLC controller outputs a command to stop the second servo motor from rotating, to rotate in the opposite direction, or to decelerate and buffer, thereby realizing the position positioning of the moving base, the moving plate 82, and the mounting plate 83.

[0026] In some embodiments, the control data of the PLC controller can be designed according to the length of the gas cylinder and the cleaning and drying requirements, automatically positioning the nozzle position and the number of cleaning and drying cycles.

[0027] The third drive mechanism 10 includes a support plate 101, which is fixedly connected to a movable plate 82. An adjusting plate 102 is slidably connected above the support plate 101 and is fixedly connected to a mounting plate 83. A rack 103 is fixedly connected to the bottom of the adjusting plate 102, and a gear 104 is meshed below the rack 103. The gear 104 is driven by a third servo motor located on one side of the support plate 101. Third guide rails 105 are fixedly connected to both the front and rear sides of the rack 103 on the support plate 101. The sliding connection includes a third slider, which is fixedly connected to the adjusting plate 102. In some embodiments, the gear 104 is rotatably connected to the support plate 101 via a bearing seat, and the gear 104 is fixedly connected to the output shaft of the third servo motor. The third servo motor can rotate the gear 104. Under the limiting action of the third guide rail 105 and the third slider, the rack 103 can drive the moving plate 82 to move horizontally on the support plate 101, so that the center of the spray bar 9 always corresponds to the center of the nozzle on the gas cylinder of different gas cylinders.

[0028] In some embodiments, the third drive mechanism 10 may also include a third lead screw and a fourth servo motor. The third lead screw is rotatably connected to the support plate 101 and is perpendicular to the second lead screw 81. One end of the third lead screw 101 is connected to the fourth servo motor on the support plate 101. A sliding seat is threaded onto the third lead screw and is fixedly connected to the adjusting plate 102. Fourth guide rails are fixedly connected to the front and rear sides of the third lead screw. The fourth guide rails are arranged along the length of the third lead screw. A fourth slider is slidably connected to the fourth guide rails and is fixedly connected to the adjusting plate 102. The third lead screw can be rotated by the fourth servo motor. Under the limiting action of the fourth guide rails, the adjusting plate 102 can drive the spray bar 9 to move horizontally.

[0029] In some embodiments, a vision sensor or a laser sensor may be fixedly installed on the adjustment plate 102 to detect the position of the gas cylinder nozzle, so that the third servo motor drives the adjustment plate 102 to move the spray bar 9 on the support plate 101, so that the center of the spray bar 9 is always coaxially set with the center of the gas cylinder nozzle.

[0030] A three-way connector is fixedly connected to the bottom of the spray bar 9. One end of the three-way connector is connected to a water inlet pipe through a high-pressure shut-off valve, and the other end of the water inlet pipe is connected to a water supply device. Through the high-pressure shut-off valve, the nozzle on the spray bar 9 can enter the gas cylinder nozzle, allowing cleaning water to enter the gas cylinder through the nozzle. As the mounting base moves the spray bar 9 up or down, the nozzle can clean the entire inner wall of the gas cylinder.

[0031] The other end of the three-way connector is connected to a nitrogen pipe via a high-temperature shut-off valve. The other end of the nitrogen pipe is connected to a gas supply device. After the nozzle has finished cleaning the inner wall of the gas cylinder, the high-pressure shut-off valve is closed, allowing high-temperature nitrogen to enter the nozzle 9 and be sprayed into the gas cylinder through the nozzle to dry the inside of the gas cylinder.

[0032] The working principle of this utility model is as follows: When in use, after the gas cylinder is transported to the gas cylinder placement rack 5, the gas cylinder nozzle end will move to the fixed position on the right end of the flip frame 51, so that the right end of the gas cylinder contacts the baffle 54, limiting the horizontal position of the gas cylinder. The PLC controller will start the clamping cylinder 62, so that the clamping plate 63 moves downward to limit the vertical direction of the gas cylinder, and clamp and fix the gas cylinder. The PLC controller sends a command signal to the first servo motor, causing the first servo motor to drive the first lead screw 31 to rotate. Under the limiting action of the first guide rail 33 and the first slider, the lifting plate 32 drives the drive frame 4 and the flip frame 51 to move upward to the appropriate position. The PLC controller sends a command signal to the tilting cylinder 55, causing the piston rod of the tilting cylinder 55 to extend outward, causing the tilting frame 51 to tilt around the center after tilting, until the horizontally placed gas cylinder is tilted to 90°, so that the position of the gas cylinder nozzle is facing the ground. The PLC controller sends a command signal to the third servo motor, causing the gear 104 to rotate and drive the rack 103 to slide along the third guide rail 105, thereby adjusting the position of the adjustment plate 102 so that the center of the spray bar 9 is coaxial with the center of the gas cylinder nozzle. The PLC controller sends a command signal to the second servo motor, causing the second servo motor to drive the second lead screw 81 to rotate. The moving seat will then drive the moving plate 82 to move upward along the second guide rail 84, thereby enabling the mounting seat to move the spray bar 9 and the nozzle toward the gas cylinder nozzle. When the nozzle moves into the gas cylinder nozzle, the PLC controller sends a command signal to the high-pressure shut-off valve to open the high-pressure shut-off valve, so that the cleaning water is sprayed onto the inner wall of the gas cylinder through the spray bar 9 and the nozzle, thereby cleaning the inner wall of the gas cylinder. During the forward / reverse rotation of the second servo motor driven by the PLC controller, the moving plate 82 can drive the spray bar 9 to move up or down, so that the nozzle can move up or down reciprocally inside the gas cylinder, cleaning the inner wall of the gas cylinder from multiple directions. After cleaning, the PLC controller sends a command signal to the high-pressure shut-off valve to close it, and sends a command signal to the high-temperature shut-off valve to open it, allowing high-temperature nitrogen gas to enter the gas cylinder through the spray bar 9 and nozzle to dry the inside of the gas cylinder. After cleaning and drying, the PLC controller sends command signals to the second servo motor, the first servo motor, the tilting cylinder 55, and the clamping cylinder 62 in sequence, so that the second servo motor, the first servo motor, the tilting cylinder 55, and the clamping cylinder 62 are reset. After the spray bar 9 and the nozzle are separated from the gas cylinder, the gas cylinder is tilted to a horizontal state and lowered to the initial position. Finally, the gas cylinder is released from the clamping plate 63, thereby completing the cleaning and drying operation of the gas cylinder.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automatic gas cylinder cleaning and drying machine, characterized in that: Including the base (1); A gas cylinder lifting frame (2) is set on one side of the base (1). A drive frame (4) is vertically slidably connected to the gas cylinder lifting frame (2) for adjusting the height of the gas cylinder in the vertical direction on the gas cylinder lifting frame (2). A gas cylinder placement rack (5) is set above the drive frame (4), one end of which is rotatably connected to the drive frame (4) to allow the gas cylinder to be flipped on the drive frame (4); A gas cylinder cleaning rack (7) is set at one end of the gas cylinder placement rack (5). A spray bar (9) is slidably connected to the gas cylinder cleaning rack (7). A nozzle is fixedly connected to the top of the spray bar (9) for cleaning and drying the inner wall of the gas cylinder after the nozzle extends from the gas cylinder nozzle into the inner wall of the gas cylinder.

2. The automatic gas cylinder cleaning and drying machine according to claim 1, characterized in that: The gas cylinder lifting frame (2) is provided with a first driving mechanism (3) for making the driving frame (4) slide on the gas cylinder lifting frame (2); The first drive mechanism (3) includes a first lead screw (31), which is rotatably connected to the gas cylinder lifting frame (2), and one end of the first lead screw (31) is connected to the first servo motor on the gas cylinder lifting frame (2). The first lead screw (31) is threaded with a lifting seat, and a lifting plate (32) is fixedly connected to the lifting seat. The lifting plate (32) is fixedly connected to the drive frame (4). Both sides of the first lead screw (31) are provided with a first guide rail (33) that is fixedly connected to the gas cylinder lifting frame (2). A first slider is slidably connected on the first guide rail (33), and the first slider is fixedly connected to the lifting plate (32).

3. The automatic gas cylinder cleaning and drying machine according to claim 1, characterized in that: The gas cylinder placement rack (5) includes a flip frame (51), and flip shafts (52) are fixedly connected to both sides of one end of the flip frame (51). Bearing seats that are fixedly connected to the drive frame (4) are rotatably connected to both sides of the flip shafts (52). Multiple limiting rollers (53) are rotatably connected to the flip frame (51), and the multiple limiting rollers (53) are distributed at intervals along the axial direction of the flip frame (51). A baffle (54) is fixedly connected to one end of the flip frame (51) adjacent to the flip shaft (52), and the top of the baffle (54) is provided with a slot for placing the gas cylinder nozzle.

4. The automatic gas cylinder cleaning and drying machine according to claim 3, characterized in that: A flipping cylinder (55) is provided below the flipping frame (51). The cylinder of the flipping cylinder (55) is hinged to the drive frame (4). A connecting plate is hinged to the other end of the flipping cylinder (55). The connecting plate is fixedly connected to the flipping frame (51).

5. The automatic gas cylinder cleaning and drying machine according to claim 3, characterized in that: A gas cylinder clamping mechanism (6) is provided above the gas cylinder placement rack (5) for clamping and fixing the gas cylinder. The gas cylinder clamping mechanism (6) includes a clamping frame (61), which is fixedly connected to the flip frame (51). A clamping cylinder (62) is fixedly connected to the top of the clamping frame (61). The telescopic end of the clamping cylinder (62) passes through the clamping frame (61) and is fixedly connected to a clamping plate (63) that is adapted to the outer wall of the gas cylinder.

6. The automatic gas cylinder cleaning and drying machine according to claim 1, characterized in that: The gas cylinder cleaning rack (7) is provided with a second drive mechanism (8) for making the spray bar (9) slide vertically on the gas cylinder cleaning rack (7); The second drive mechanism (8) includes a second lead screw (81), which is rotatably connected to the gas cylinder cleaning frame (7), and one end of the second lead screw (81) is connected to the second servo motor on the gas cylinder cleaning frame (7). The second lead screw (81) is threaded with a movable seat, and the other end of the movable seat is fixedly connected to a movable plate (82). The movable plate (82) is connected to a mounting plate (83) through a third drive mechanism (10). The mounting plate (83) is fixedly connected to the spray bar (9). The second lead screw (81) is provided with a second guide rail (84) fixedly connected to the gas cylinder cleaning rack (7) on both sides. A second slider is slidably connected on the second guide rail (84), and the second slider is fixedly connected to the moving plate (82).

7. The automatic gas cylinder cleaning and drying machine according to claim 6, characterized in that: The third drive mechanism (10) includes a support plate (101), which is fixedly connected to the movable plate (82). An adjustment plate (102) is slidably connected above the support plate (101), and the adjustment plate (102) is fixedly connected to the mounting plate (83). A rack (103) is fixedly connected to the bottom of the adjustment plate (102), and a gear (104) is meshed below the rack (103). The gear (104) is connected to a third servo motor on one side of the support plate (101). The support plate (101) is fixedly connected to the third guide rail (105) on both sides of the rack (103), and the third guide rail (105) is slidably connected to the third slider, which is fixedly connected to the adjustment plate (102).

8. The automatic gas cylinder cleaning and drying machine according to claim 1, characterized in that: The bottom of the spray bar (9) is fixedly connected to a three-way connector. One end of the three-way connector is connected to a water inlet pipe through a high-pressure shut-off valve. The other end of the water inlet pipe is connected to a water supply device. The other end of the three-way connector is connected to a nitrogen pipe through a high-temperature shut-off valve. The other end of the nitrogen pipe is connected to a gas supply device.

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