Automatic brush replacing equipment of sleeve cylinder cleaning machine

Abstract

The invention discloses automatic brush replacing equipment of a sleeve cylinder cleaning machine, and belongs to the technical field of sleeve cylinder cleaning equipment.The automatic brush replacing equipment comprises a truss carrying device, a probe device, a lifting device, a horizontal moving device and a brush head tray, the brush head is conveyed to the probe device, switching between the horizontal moving state and the vertical state of the brush head is achieved, the brush head quick-changing device is installed at the end of the probe device, the probe device is used for achieving horizontal feeding and rotating actions of the brush head, and the brush head quick-changing device is used for achieving pneumatic locking and quick disassembling and assembling of the brush head. The lifting device is installed at the bottom of the probe device, the horizontal moving device is installed at the bottom of the lifting device and used for driving the probe device to move horizontally, and the brush head tray is used for storing brush heads to be replaced. And the operation efficiency and the working efficiency of the equipment are improved.

Description

Technical Field

[0001] This invention belongs to the technical field of cylinder cleaning equipment, and particularly relates to an automatic brush changing device for cylinder cleaning machines. Background Technology

[0002] The typical process for cleaning cylinder casings is as follows: after the cylinder body is fixed, a brush enters the cylinder body to complete the internal and external cleaning, followed by internal and external rinsing, internal and external liquid blowing, and cooling. The mainstream cylinder casing cleaning equipment on the market is divided into two categories: vertical cylinder casing cleaning equipment and step-through cylinder casing cleaning equipment.

[0003] As the length of the cylinder gradually increases, the vertical cylinder cleaning equipment will require more space. When using vertical cleaning equipment, the cylinder needs to be placed vertically, and the brushes also need to be placed vertically along with the cylinder. This results in a large height space, making brush replacement and maintenance more difficult. At the same time, most factories cannot meet the space requirements.

[0004] The brushes of the step-through cylinder cleaning equipment are generally replaced manually. The manual brush is first transported into the cleaning machine, the old brush is manually removed, and then the new brush is screwed onto the front end of the probe. This replacement method is labor-intensive and reduces labor efficiency and productivity. In addition, different cylinders require different brush heads, and manual replacement is also quite troublesome.

[0005] Therefore, there is an urgent need for a cylinder cleaning machine that can automatically replace brushes and adapt to cylinders of various sizes, in order to overcome the shortcomings of existing technologies. Summary of the Invention

[0006] To address the problems existing in the prior art, this invention provides an automatic brush changing device for a cylinder cleaning machine. It has the advantages of achieving automated brush replacement and precise adaptation, reducing manual labor intensity, and improving equipment operation and work efficiency. It solves the problems of existing cylinder cleaning equipment that either require a large space and have difficult brush maintenance, or rely on manual brush changing, have high labor intensity, and have complicated multi-specification brush head replacement.

[0007] This invention is implemented as follows: an automatic brush changing device for a cylinder cleaning machine includes a truss transport device, a probe device, a lifting device, a horizontal moving device, and a brush head tray. The truss transport device is used to grab brush heads from the brush head tray, transport them to the probe device, and switch between horizontal and vertical states of the brush heads. A quick-change device for brush heads is installed at the end of the probe device. The probe device is used to realize the horizontal feeding and rotation of the brush heads. The quick-change device for brush heads is used to realize pneumatic locking and quick disassembly and assembly of the brush heads. The lifting device is installed at the bottom of the probe device and is used to adjust the height of the probe device according to the cylinder diameter, so that the brush head is coaxially aligned with the center of the cylinder. The horizontal moving device is installed at the bottom of the lifting device and is used to drive the probe device to move horizontally. The brush head tray is used to store brush heads to be replaced.

[0008] As a preferred embodiment of the present invention, the truss handling device includes outriggers, an X-axis traveling track, a Y-axis traveling track, a Z-axis traveling track, a corner cylinder, and grippers. The outriggers are fixed to the ground. The X-axis and Y-axis traveling tracks enable horizontal movement, and the Z-axis traveling track enables vertical movement. The corner cylinder and grippers are installed at the end of the Z-axis traveling track to grab the brush head and drive the brush head to rotate 90° to switch postures.

[0009] This setting enables precise switching of the brush head between horizontal and vertical positions and accurate positioning within three-axis space, ensuring quick alignment and installation of the brush head and probe device, and improving brush replacement efficiency and accuracy.

[0010] As a preferred embodiment of the present invention, the probe device includes a support frame, a feed motor, a rotary motor, a feed seat, a guide rail, a guide rod, a feed rotating rod, a bushing, a sealing plate, and a brush head quick-change device. The brush head quick-change device includes a brush head body, a quick-change connector, and an air nozzle. Gas is introduced through the air nozzle to drive the quick-change connector to lock the brush head body, thereby achieving quick disassembly and assembly of the brush head.

[0011] This setup replaces manual tightening with pneumatic locking, effectively shortening the time for each brush change while avoiding precision errors from manual installation and improving equipment operational stability.

[0012] In a preferred embodiment of the present invention, the guide rail is fixedly installed on the top of the support frame, the bottom of the feed seat is slidably connected to the guide rail, a lead screw is threaded through the lower part of the feed seat, the two ends of the lead screw are connected to the support frame through bearings, a feed motor for driving the lead screw to rotate is installed on the outer wall of the support frame, which is used to drive the brush head to move horizontally to achieve the feeding action, a feed rotating rod is connected through the upper part of the feed seat through bearings, the end of the feed rotating rod slides through to the outside of the support frame, and a rotary motor for driving the feed rotating rod to rotate is installed on the outer wall of the feed seat, which is used to drive the brush head to rotate to achieve the cleaning action.

[0013] This setup ensures smooth brush head feeding via screw drive, while the rotary motor drives the brush head to rotate at high speed, achieving efficient cleaning of the cylinder. Simultaneously, the feeding and rotation actions are independently controlled to adapt to different cleaning process requirements.

[0014] As a preferred embodiment of the present invention, the lifting device includes a lifting frame, a support bearing, a transmission shaft, a lifting device, a lifting motor, a slider, and a guide shaft. The lifting motor synchronously drives the lifting devices on both sides through the transmission shaft, thereby causing the lifting frame to move up and down along the guide shaft, thereby realizing the adjustment of the height of the probe device.

[0015] This setting ensures the coaxiality of the probe device during height adjustment by synchronously driving the lifting devices on both sides, guaranteeing precise alignment between the brush head and the center of the cylinder, thus improving the cleaning effect.

[0016] As a preferred embodiment of the present invention, the horizontal moving device includes a frame body, a guide rail, a second slider, and a telescopic cylinder. The telescopic cylinder pushes the second slider to slide along the guide rail, thereby driving the probe device to move horizontally as a whole, so that the sealing plate is attached to or separated from the outer shell of the cleaning machine, so that the brush head can be moved out of the cleaning machine to complete the brush replacement, and pushed into the cleaning machine to achieve a sealed fit.

[0017] This setup enables rapid horizontal switching of the probe device via cylinder drive, makes it safer to remove it from the equipment during brush replacement, and ensures a tight seal during cleaning to prevent leakage, thus improving equipment safety and environmental cleanliness.

[0018] As a preferred embodiment of the present invention, the sealing plate is made of a sealing material, specifically HPL (High-Pressure Laminate) board. When the probe device is moved into the cleaning machine, the sealing plate can fit tightly against the outer shell of the cleaning machine to prevent leakage of the cleaning fluid.

[0019] With this feature, the HPL (High-Pressure Laminate) board possesses wear-resistant, corrosion-resistant, waterproof, and moisture-proof properties. It can maintain its sealing performance even after long-term contact with cleaning fluid, effectively extending the service life of the equipment.

[0020] As a preferred embodiment of the present invention, the brush head tray includes a brush and a tray frame. The tray frame has reserved a brush storage station and an old brush recycling station, which is adapted to the automatic loading and unloading of AGV. The brush is transported by AGV to the working range of the gantry handling device to realize the supply of brush heads and the recycling of old brush heads.

[0021] This setup allows AGVs to automatically load and unload materials, replacing manual handling and enabling automated flow of brush head materials, further reducing labor intensity and improving production continuity.

[0022] As a preferred embodiment of the present invention, the clamping position of the quick-change brush head device is uniformly Ф120, which is suitable for the installation and fixing of brush heads of different diameters, and realizes the universal switching of multiple specifications of brush heads.

[0023] This setting allows for quick switching between brush heads of different diameters by standardizing the clamping position size, eliminating the need to change clamping fixtures and effectively shortening changeover time, thus adapting to the flexible production needs of various cylinder types.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0025] Automated brush changing: Utilizing a gantry transport device and pneumatic quick-change structure, the system automatically grips, transports, and locks the brushes, completely replacing manual brush changing. This effectively reduces labor intensity and increases brush replacement sales.

[0026] High flexibility with multiple specifications: The lifting device can automatically adjust the probe height according to the cylinder diameter, and the quick-change brush head device has a unified clamping position size, which is compatible with the quick switching of brush heads of different diameters and adapts to the cleaning needs of various types of cylinders.

[0027] Sealed and leak-proof design: The horizontal moving device pushes the probe device to fit against the outer shell of the cleaning machine, and the sealing plate structure effectively prevents the cleaning fluid from leaking, improving the safety of equipment operation and the cleanliness of the environment;

[0028] Improved efficiency: Automatic brush changing and quick brush replacement functions significantly reduce equipment downtime and effectively improve work efficiency. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure provided in an embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of the truss handling device provided in an embodiment of the present invention;

[0031] Figure 3 This is a side view of the truss handling device provided in an embodiment of the present invention;

[0032] Figure 4 This is a schematic diagram of the probe device structure provided in an embodiment of the present invention;

[0033] Figure 5 This is a three-dimensional structural diagram of the probe device provided in an embodiment of the present invention;

[0034] Figure 6 This is a schematic diagram of the brush head quick-change device provided in an embodiment of the present invention;

[0035] Figure 7 This is a schematic diagram of the lifting device structure provided in an embodiment of the present invention;

[0036] Figure 8 This is a three-dimensional structural diagram of the lifting device provided in an embodiment of the present invention;

[0037] Figure 9 This is a schematic diagram of the horizontal moving device structure provided in an embodiment of the present invention;

[0038] Figure 10 This is a schematic diagram of the brush head tray structure provided in an embodiment of the present invention.

[0039] In the diagram: 1. Truss handling device; 1-1. Support leg; 1-2. X-axis travel track; 1-3. Y-axis travel track; 1-4. Z-axis travel track; 1-5. Corner cylinder; 1-6. Gripper; 2. Probe device; 2-1. Support frame; 2-2. Feed motor; 2-3. Rotary motor; 2-4. Feed seat; 2-5. Guide rail; 2-6. Lead screw; 2-7. Feed rotating rod; 2-8. Bushing; 2-9. Sealing plate; 2-10. Brush head quick change device 2-11 Brush head body; 2-12 Quick-change connector; 2-13 Air nozzle; 3. Lifting device; 3-1 Lifting frame; 3-2 Support bearing; 3-3 Drive shaft; 3-4 Lifter; 3-5 Lifting motor; 3-6 Slider one; 3-7 Guide shaft; 4. Horizontal movement device; 4-1 Frame body; 4-2 Guide rail; 4-3 Slider two; 4-4 Telescopic cylinder; 5. Brush head tray; 5-1 Brush; 5-2 Tray frame. Detailed Implementation

[0040] To further understand the invention's content, features, and effects, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0041] The structure of the present invention will now be described in detail with reference to the accompanying drawings.

[0042] refer to Figures 1 to 10 As shown in the figure, the automatic brush changing device for a cylinder cleaning machine provided in this embodiment of the invention includes a truss transport device 1, a probe device 2, a lifting device 3, a horizontal moving device 4, and a brush head tray 5. The truss transport device 1 is used to grab the brush head in the brush head tray 5, transport it to the probe device 2, and realize the switching between horizontal and vertical states of the brush head. A quick-change device 2-10 is installed at the end of the probe device 2. The probe device 2 is used to realize the horizontal feeding and rotation of the brush head. The quick-change device 2-10 is used to realize the pneumatic locking and quick disassembly of the brush head. The lifting device 3 is installed at the bottom of the probe device 2 and is used to adjust the height of the probe device 2 according to the cylinder diameter so that the brush head is coaxially aligned with the center of the cylinder. The horizontal moving device 4 is installed at the bottom of the lifting device 3 and is used to drive the probe device 2 to move horizontally. The brush head tray 5 is used to store the brush head to be replaced.

[0043] Specifically, the truss handling device 1 includes a support leg 1-1, an X-axis traveling track 1-2, a Y-axis traveling track 1-3, a Z-axis traveling track 1-4, a corner cylinder 1-5, and a gripper 1-6. The support leg 1-1 is fixed to the ground. The X-axis traveling track 1-2 and the Y-axis traveling track 1-3 enable horizontal movement, and the Z-axis traveling track 1-4 enables vertical movement. The corner cylinder 1-5 and the gripper 1-6 are installed at the end of the Z-axis traveling track 1-4 and are used to grab the brush head and drive the brush head to rotate 90° to switch postures.

[0044] By adopting the above solution, the brush head can be accurately switched between horizontal and vertical states and accurately positioned in three-axis space, ensuring the rapid alignment and installation of the brush head and probe device 2, and improving the efficiency and accuracy of brush replacement.

[0045] Specifically, the probe device 2 includes a support frame 2-1, a feed motor 2-2, a rotary motor 2-3, a feed seat 2-4, a guide rail 2-5, a guide rod, a feed rotating rod 2-7, a bushing 2-8, a sealing plate 2-9, and a brush head quick-change device 2-10. The brush head quick-change device 2-10 includes a brush head body 2-11, a quick-change connector 2-12, and an air nozzle 2-13. Gas is introduced through the air nozzle 2-13 to drive the quick-change connector 2-12 to lock the brush head body 2-11, thereby achieving quick assembly and disassembly of the brush head.

[0046] By adopting the above solution, pneumatic locking is used to replace manual tightening, which effectively shortens the time for a single brush change, avoids the accuracy error of manual installation, and improves the stability of equipment operation.

[0047] Specifically, the guide rail 2-5 is fixedly installed on the top of the support frame 2-1, the bottom of the feed seat 2-4 is slidably connected to the guide rail 2-5, the lower part of the feed seat 2-4 is threaded with a lead screw 2-6, the two ends of the lead screw 2-6 are connected to the support frame 2-1 through bearings, the outer wall of the support frame 2-1 is equipped with a feed motor 2-2 to drive the lead screw 2-6 to rotate, which is used to drive the brush head to move horizontally to achieve the feeding action, the upper part of the feed seat 2-4 is connected with a feed rotating rod 2-7 through bearings, the end of the feed rotating rod 2-7 slides through to the outside of the support frame 2-1, the outer wall of the feed seat 2-4 is equipped with a rotary motor 2-3 to drive the feed rotating rod 2-7 to rotate, which is used to drive the brush head to rotate to achieve the cleaning action.

[0048] Using the above scheme, the lead screw 2-6 ensures smooth brush head feeding, and the rotary motor 2-3 drives the brush head to rotate at high speed, achieving efficient cleaning of the cylinder. At the same time, the feeding and rotation actions are independently controlled to adapt to different cleaning process requirements.

[0049] Specifically, the lifting device 3 includes a lifting frame 3-1, a support bearing 3-2, a transmission shaft 3-3, a lifter 3-4, a lifting motor 3-5, a slider 3-6, and a guide shaft 3-7. The lifting motor 3-5 synchronously drives the lifters 3-4 on both sides through the transmission shaft 3-3, thereby causing the lifting frame 3-1 to move up and down along the guide shaft 3-7, thus realizing the adjustment of the height of the probe device 2.

[0050] By adopting the above scheme, the simultaneous driving of the two side lifting devices 3-4 ensures the coaxiality of the probe device 2 during height adjustment, ensuring that the brush head is precisely aligned with the center of the cylinder, thereby improving the cleaning effect.

[0051] Specifically, the horizontal moving device 4 includes a frame body 4-1, a guide rail 4-2, a slider 4-3, and a telescopic cylinder 4-4. The telescopic cylinder 4-4 pushes the slider 4-3 to slide along the guide rail 4-2, thereby moving the probe device 2 horizontally as a whole, so that the sealing plate 2-9 is attached to or separated from the outer shell of the cleaning machine, so that the brush head can be moved out of the cleaning machine to complete the brush replacement, and pushed into the cleaning machine to achieve a sealed fit.

[0052] Using the above solution, the cylinder drive enables rapid horizontal switching of the probe device 2, making it safer to remove it from the outside of the equipment during brush replacement, and ensuring a tight seal during cleaning to prevent leakage, thus improving equipment safety and environmental cleanliness.

[0053] Specifically, the sealing plate 2-9 is made of HPL (High-Pressure Laminate) material. When the probe device 2 is moved into the cleaning machine, the sealing plate 2-9 can fit tightly against the outer shell of the cleaning machine to prevent the cleaning fluid from leaking.

[0054] Using the above solution, HPL (High-Pressure Laminate) boards possess wear-resistant, corrosion-resistant, waterproof, and moisture-proof properties. They can maintain their sealing performance even after long-term contact with cleaning fluids, effectively extending the service life of equipment.

[0055] Specifically, the brush head tray 5 includes a brush 5-1 and a tray frame 5-2. The tray frame 5-2 has reserved storage positions for brush 5-1 and recycling positions for old brush 5-1, which are adapted to the automatic feeding and unloading of AGV. The brush 5-1 is transported by AGV to the working range of the gantry handling device 1 to realize the supply of brush heads and the recycling of old brush heads.

[0056] By adopting the above solution, AGVs automatically load and unload materials, replacing manual handling and realizing the automated flow of brush head materials, further reducing labor intensity and improving production continuity.

[0057] Specifically, the clamping position of the quick-change brush head device 2-10 is uniformly Ф120, which is suitable for the installation and fixing of brush heads of different diameters, and realizes the universal switching of multiple specifications of brush heads.

[0058] By adopting the above solution, the unified clamping position size allows for quick switching between brush heads of different diameters without the need to change the clamping fixture, effectively shortening the changeover time and adapting to the flexible production needs of various cylinder bodies.

[0059] Working principle of the invention:

[0060] Brush head supply: The AGV transports the brush head tray 5 containing the corresponding specification brush 5-1 to the loading position, waiting for the gantry handling device 1 to grab it;

[0061] Remove the old brush head: The horizontal moving device 4 drives the probe device 2 to be moved out of the cleaning machine as a whole. The grippers 1-6 of the gantry transport device 1 grab the old brush head and transport it to an empty pallet for storage.

[0062] Installing a new brush head: The truss handling device 1 grabs the new brush head, rotates it 90° by the corner cylinder 1-5 to make the brush head vertical, aligns it with the quick-change connector 2-12 of the probe device 2, and pneumatically locks it to complete the installation.

[0063] Height adjustment: The lifting device 3 adjusts the height of the probe device 2 according to the cylinder diameter, so that the brush 5-1 is coaxial with the center of the cylinder;

[0064] Sealing Reset: The horizontal moving device 4 pushes the probe device 2 into the cleaning machine, and the sealing plate 2-9 seals and fits with the equipment shell, completing the brush replacement process and the equipment enters the cleaning operation state.

[0065] This invention achieves fully automated replacement of the brushes 5-1 of the cylinder cleaning machine through the coordinated operation of truss handling, pneumatic quick change, lifting adjustment and horizontal movement, making it flexible and improving work efficiency.

[0066] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0067] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic brush changing device for a cylinder cleaning machine, characterized in that: The device includes a truss transport device (1), a probe device (2), a lifting device (3), a horizontal moving device (4), and a brush head tray (5). The truss transport device (1) is used to grab the brush head in the brush head tray (5), transport it to the probe device (2), and realize the switching between horizontal and vertical states of the brush head. The end of the probe device (2) is equipped with a brush head quick-change device (2-10). The probe device (2) is used to realize the horizontal feeding and rotation of the brush head. The brush head quick-change device (2-10) is used to realize the pneumatic locking and quick disassembly of the brush head. The lifting device (3) is installed at the bottom of the probe device (2) and is used to adjust the height of the probe device (2) according to the cylinder diameter so that the brush head is coaxially aligned with the center of the cylinder. The horizontal moving device (4) is installed at the bottom of the lifting device (3) and is used to drive the probe device (2) to move horizontally. The brush head tray (5) is used to store the brush head to be replaced.

2. The automatic brush changing device for the cylinder cleaning machine as described in claim 1, characterized in that: The truss handling device (1) includes a support leg (1-1), an X-axis traveling track (1-2), a Y-axis traveling track (1-3), a Z-axis traveling track (1-4), a corner cylinder (1-5), and a gripper (1-6). The support leg (1-1) is fixed to the ground. The X-axis traveling track (1-2) and the Y-axis traveling track (1-3) enable horizontal movement, and the Z-axis traveling track (1-4) enables vertical movement. The corner cylinder (1-5) and the gripper (1-6) are installed at the end of the Z-axis traveling track (1-4) to grab the brush head and drive the brush head to rotate 90° to switch postures.

3. The automatic brush changing device for the cylinder cleaning machine as described in claim 1, characterized in that: The probe device (2) includes a support frame (2-1), a feed motor (2-2), a rotary motor (2-3), a feed seat (2-4), a guide rail (2-5), a guide rod, a feed rotating rod (2-7), a bushing (2-8), a sealing plate (2-9), and a brush head quick-change device (2-10). The brush head quick-change device (2-10) includes a brush head body (2-11), a quick-change connector (2-12), and an air nozzle (2-13). Gas is introduced through the air nozzle (2-13) to drive the quick-change connector (2-12) to lock the brush head body (2-11), thereby realizing quick disassembly and assembly of the brush head.

4. The automatic brush changing device for the cylinder cleaning machine as described in claim 3, characterized in that: The guide rail (2-5) is fixedly installed on the top of the support frame (2-1). The bottom of the feed seat (2-4) is slidably connected to the guide rail (2-5). A lead screw (2-6) is threaded through the lower part of the feed seat (2-4). The two ends of the lead screw (2-6) are connected to the support frame (2-1) through bearings. A feed motor (2-2) for driving the lead screw (2-6) to rotate is installed on the outer wall of the support frame (2-1) to drive the brush head to move horizontally and achieve the feeding action. A feed rotating rod (2-7) is connected through the upper part of the feed seat (2-4) through bearings. The end of the feed rotating rod (2-7) slides through to the outside of the support frame (2-1). A rotary motor (2-3) for driving the feed rotating rod (2-7) to rotate is installed on the outer wall of the feed seat (2-4) to drive the brush head to rotate and achieve the cleaning action.

5. The automatic brush changing device for the cylinder cleaning machine as described in claim 1, characterized in that: The lifting device (3) includes a lifting frame (3-1), a support bearing (3-2), a transmission shaft (3-3), a lifter (3-4), a lifting motor (3-5), a slider (3-6), and a guide shaft (3-7). The lifting motor (3-5) drives the lifters (3-4) on both sides synchronously through the transmission shaft (3-3), causing the lifting frame (3-1) to move up and down along the guide shaft (3-7), thereby adjusting the height of the probe device (2).

6. The automatic brush changing device for the cylinder cleaning machine as described in claim 3, characterized in that: The horizontal moving device (4) includes a frame body (4-1), a guide rail (4-2), a second slider (4-3), and a telescopic cylinder (4-4). The telescopic cylinder (4-4) pushes the second slider (4-3) to slide along the guide rail (4-2), thereby driving the probe device (2) to move horizontally as a whole, so that the sealing plate (2-9) is attached to or separated from the outer shell of the cleaning machine, so that the brush head can be moved out of the cleaning machine to complete the brush replacement, and pushed into the cleaning machine to achieve a sealed fit.

7. The automatic brush changing device for the cylinder cleaning machine as described in claim 3, characterized in that: The sealing plate (2-9) is made of HPL board and is a sealing material. When the probe device (2) is moved into the cleaning machine, the sealing plate (2-9) can fit tightly with the outer shell of the cleaning machine to prevent the cleaning fluid from leaking.

8. The automatic brush changing device for the cylinder cleaning machine as described in claim 1, characterized in that: The brush head tray (5) includes a brush (5-1) and a tray frame (5-2). The tray frame (5-2) has a reserved storage position for the brush (5-1) and a recycling position for the old brush (5-1), which is adapted to the automatic feeding and unloading of the AGV. The brush (5-1) is transported by the AGV to the working range of the gantry handling device (1) to realize the supply of brush heads and the recycling of old brush heads.

9. The automatic brush changing device for the cylinder cleaning machine as described in claim 1, characterized in that: The clamping position of the quick-change brush head device (2-10) is uniformly Ф120, which is suitable for the installation and fixing of brush heads of different diameters, and realizes the universal switching of multiple specifications of brush heads.

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