Oil cylinder cleaning equipment

Abstract

The present invention relates to the technical field of oil cylinder cleaning equipment, and specifically discloses an oil cylinder cleaning equipment, including a water tank mechanism, a cleaning mechanism, a positioning mechanism and a drainage mechanism. The water tank mechanism includes a first water tank for placing a cleaning agent and a second water tank for placing clean water. The cleaning mechanism includes a cleaning tank, a spray pipe assembly and a pumping assembly. The positioning mechanism includes a rolling positioning assembly fixed in the cleaning tank, and the oil cylinder is placed on the rolling positioning assembly. During the cleaning process, the pumping assembly is used to extract the cleaning agent in the first water tank for cleaning. After the cleaning is completed, the pumping assembly can extract the clean water in the second water tank for rinsing. After the cleaning is completed, and in this process, the rolling positioning assembly can drive the oil cylinder to rotate, the oil cylinder is cleaned more completely, and the corresponding liquid can be discharged back to the corresponding water tank through the drainage mechanism to avoid liquid mixing.

Description

Technical Field

[0001] The invention relates to the technical field of oil cylinders, in particular to an oil cylinder cleaning device. Background Art

[0002] Oil cylinder cleaning equipment is an automated cleaning equipment used to replace manual cleaning of the cylinder barrel. For cylindrical oil cylinder barrels, manual cleaning is complicated, labor-intensive, and time-consuming. Automated equipment is needed to improve work efficiency and reduce labor costs.

[0003] In the prior art, for example, a Chinese patent with application number 2021202506386 discloses an oil cylinder cleaning device, including a frame, a cleaning mechanism and a clamping mechanism. The clamping mechanism includes two clamping blocks and a driving component. The two clamping blocks are respectively provided with a V-shaped notch. When the two clamping blocks are closed, the cylinder barrel is positioned and clamped by the V-shaped notch, and the rotating axis of the cylinder barrel and the rotating axis of the hollow tube are located in the same straight line, and the cylinder barrel is cleaned by the cleaning mechanism, which has the advantage of faster positioning and clamping of the cylinder barrel. However, it only discloses that the cleaning mechanism uses a water pump to extract cleaning liquid to clean the oil cylinder, but there is no subsequent rinsing process, and no specific drainage mechanism is disclosed. In addition, the cylinder barrel cannot be flipped actively, and its position needs to be manually adjusted after cleaning one side, and its degree of automation is low. Summary of the invention

[0004] The present invention is made in consideration of the above-mentioned problems, and the purpose of the invention is to provide an oil cylinder cleaning device, which can be used for cleaning and rinsing, and at the same time can recycle the corresponding liquid into the corresponding water tank, and the cylinder can rotate automatically, with a high degree of automation, saving labor and cost.

[0005] To achieve the above object, the present invention provides an oil cylinder cleaning device, comprising:

[0006] Bracket;

[0007] A water tank mechanism, comprising a first water tank and a second water tank;

[0008] A cleaning mechanism, which is fixed on the bracket, and includes a cleaning tank, a spray pipe assembly and a pumping assembly. The spray pipe assembly is located directly above the cleaning tank, and the pumping assembly is inserted into the first water tank and the second water tank at the same time, and is used to pump the liquid in the first water tank or the second water tank into the spray pipe assembly;

[0009] A positioning mechanism, comprising a rolling positioning assembly, the rolling positioning assembly is fixed in the cleaning tank, the oil cylinder is placed on the rolling positioning assembly, and the rolling positioning assembly can drive the oil cylinder to rotate to increase the cleaning area of ​​the oil cylinder;

[0010] The drainage mechanism is rotatably disposed below the cleaning tank and is used to recover the liquid in the cleaning tank and transport it to the first water tank or the second water tank.

[0011] According to the above-mentioned oil cylinder cleaning equipment, the spray pipe assembly includes a plurality of spray pipes and a joint pipe, one end of the joint pipe is connected to the plurality of spray pipes, and the other end of the joint pipe is connected to the pumping assembly, the plurality of spray pipes are arranged directly above the cleaning tank along the length direction of the cleaning tank, and the plurality of spray pipes have a first position and a second position;

[0012] When the spray pipe is located at the first position, the spray pipe is located directly above the rolling positioning assembly. The spray pipe can move from the first position to a second position to expose the rolling positioning assembly.

[0013] According to the above-mentioned oil cylinder cleaning equipment, an air pump is provided on the joint pipe, and the air pump blows air into the spray pipe through the joint pipe to clean the residual liquid in the spray pipe.

[0014] According to the above-mentioned oil cylinder cleaning equipment, both ends of the cleaning tank are provided with mounting plate assemblies, and the mounting plate assembly includes a mounting plate, guide rails arranged at both ends of the cleaning tank, a slider arranged at the bottom of the mounting plate, and a first cylinder, the guide rails are arranged on the bracket along the width direction of the cleaning tank, the mounting plate is slidably arranged on the guide rails through the slider, and the telescopic shaft of the first cylinder is connected to the mounting plate;

[0015] The two ends of the spray pipe are respectively connected to the two mounting plates.

[0016] According to the above-mentioned oil cylinder cleaning equipment, the water pumping assembly includes a first water pumping pipe, a first water pumping pump, a second water pumping pipe and a second water pumping pump. The first water pumping pipe is inserted in the first water tank, and the second water pumping pipe is inserted in the second water tank. The first water pumping pipe and the second water pumping pipe are both connected to the connecting pipe. The first water pump draws liquid in the first water tank for the spray pipe through the first water pumping pipe, and the second water pump draws liquid in the second water tank for the spray pipe through the second water pumping pipe.

[0017] According to the above-mentioned oil cylinder cleaning equipment, the first water tank is set as a cleaning agent water tank, the second water tank is set as a clean water tank, and heat exchangers are provided in the first water tank and the second water tank, and the heat exchangers are used to heat the liquids in the first water tank and the second water tank.

[0018] According to the above-mentioned oil cylinder cleaning equipment, the heat exchanger includes a first heat exchange tube assembly and a second heat exchange tube assembly symmetrically arranged in the first water tank or the second water tank, the first heat exchange tube assembly both located in the first water tank or the second water tank is connected to the second heat exchange tube assembly, the first heat exchange tube assembly is provided with a water inlet pipe, and the second heat exchange tube assembly is provided with a water outlet pipe.

[0019] According to the above-mentioned oil cylinder cleaning equipment, the positioning mechanism also includes a positioning seat and a driving assembly, the rolling positioning assembly includes a plurality of roller groups, each of the roller groups includes a first roller and a second roller, the first roller and the second roller are both rotatably fixed on the positioning seat, and a gap is provided between the first roller and the second roller for placing the oil cylinder, and the driving assembly is used to drive the first roller or the second roller.

[0020] According to the above-mentioned cylinder cleaning equipment, the driving assembly includes a reduction motor and a first sprocket connected to the output shaft of the reduction motor, two second sprocket groups are provided on the positioning seat on one side of the first roller, one of the second sprocket groups is coaxial with the first roller, the first sprocket is connected to one of the second sprocket groups through a first chain, and the two second sprocket groups are connected through a second chain, two third sprocket groups are provided on the positioning seat on one side of the second roller, one of the third sprocket groups is coaxial with the second roller, the two third sprocket groups are connected through a third chain, and the third sprocket group away from the second roller is connected to the second sprocket group away from the first roller through a fourth chain.

[0021] According to the above-mentioned oil cylinder cleaning equipment, the cleaning trough is fixed on the bracket, the drainage structure includes a drainage trough and a second cylinder, the drainage trough is provided with a drainage end and a hinged end, the bottom of the cleaning trough is provided with a drainage port, the hinged end is hinged on the bracket and is located directly below the drainage port, the second cylinder is fixed on the bracket, and the second cylinder can drive the drainage trough to rotate around the hinged end to drive the drainage end to switch directly above the first water tank and the second water tank.

[0022] The present invention has the following beneficial effects:

[0023] 1. Two water pumps can be used to extract the cleaning agent in the first water tank and the clean water in the second water tank respectively, so that the cleaning agent can be used to perform preliminary cleaning on the oil cylinder, and the clean water can be used to rinse the oil cylinder again, so that the cleaning is more complete, and the liquid generated in the corresponding process can be returned to the corresponding first water tank or second water tank through the drainage mechanism, with a high degree of automation;

[0024] 2. The rotation of the first roller and the second roller can drive the oil cylinder located on the first roller and the second roller to rotate, thereby ensuring 360° cleaning of the oil cylinder, making the cleaning more complete and saving labor costs;

[0025] 3. An air pump is provided on the joint pipe to clean the residual liquid in the spray pipe, avoid the mixing of cleaning agent and clean water, and ensure the purity of the cleaning or rinsing liquid;

[0026] 4. The spray pipe can be slidably arranged above the cleaning tank, that is, when the oil cylinder is placed, the spray pipe can be moved away to prevent the spray pipe from interfering with the movement of the oil cylinder;

[0027] 5. A heat exchanger is arranged in the first water tank and the second water tank, which can heat the liquid in the first water tank and the second water tank to improve the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0029] Figure 2 is an assembly diagram of the bracket, cleaning mechanism, positioning mechanism and drainage mechanism of this embodiment;

[0030] Figure 3 Schematic diagram of the cleaning mechanism structure of this embodiment;

[0031] Figure 4 is a schematic diagram of the positioning mechanism structure of this embodiment;

[0032] Figure 5 Schematic diagram of the drainage mechanism structure of this embodiment;

[0033] Figure 6 Schematic diagram of the water tank structure of this embodiment.

[0034] In the figure:

[0035] 1. water tank mechanism; 11. first water tank; 12. second water tank; 131. first heat exchange tube assembly; 131a. water inlet pipe; 132a. water outlet pipe;

[0036] 2. Cleaning mechanism; 21. Cleaning tank; 22. Spray pipe assembly; 221. Spray pipe; 222. Connector pipe; 223. Air pump; 23. Pumping assembly; 231. First pumping pipe; 232. First pumping pump; 233. Second pumping pipe; 234. Second pumping pump; 24. Mounting plate assembly; 241. Mounting plate; 242. Guide rail; 243. Sliding block; 244. First cylinder;

[0037] 3. Positioning mechanism; 31. Rolling positioning assembly; 311. First roller; 312. Second roller; 32. Positioning seat; 321. Second sprocket set; 322. Third sprocket set; 323. Second chain; 324. Third chain; 325. Fourth chain; 33. Driving assembly; 331. Speed ​​reduction motor; 332. First sprocket; 333. First chain;

[0038] 4. Drainage mechanism; 41. Drainage trough; 42. Second cylinder;

[0039] 5. Bracket. DETAILED DESCRIPTION

[0040] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0041] like Figure 1 As shown, an oil cylinder cleaning device includes a bracket 5, a water tank mechanism 1, a cleaning mechanism 2, a positioning mechanism 3 and a drainage mechanism 4.

[0042] like Figure 1 As shown, the water tank mechanism 1 includes a first water tank 11 and a second water tank 12, the first water tank 11 is set as a cleaning agent water tank, and the second water tank 12 is set as a clean water tank; the cleaning mechanism 2 includes a cleaning tank 21, a spray pipe assembly 22 and a pumping assembly 23, and the cleaning tank 21 is located on one side of the water tank mechanism 1; the positioning mechanism 3 includes a rolling positioning assembly 31, the rolling positioning assembly 31 is fixed in the cleaning tank 21, and the oil cylinder is placed on the rolling positioning assembly 31; the drainage mechanism 4 is rotatably arranged below the cleaning tank 21; wherein the pumping assembly 23 is inserted into the first water tank 11 and the second water tank 12 at the same time, and during the cleaning process, the pumping assembly 23 extracts the cleaning agent from the first water tank 11 into the spray pipe assembly 22 , the spray pipe assembly 22 cleans the oil cylinder located on the rolling positioning assembly 31. During the cleaning process, the rolling positioning assembly 31 drives the oil cylinder to rotate to increase the cleaning area of ​​the oil cylinder so that it can be cleaned more completely. At this time, the drainage mechanism 4 recovers the cleaning agent in the cleaning tank 21 and transports it back to the first water tank 11; during the rinsing process, the pumping assembly 23 draws clean water from the second water tank 12 into the spray pipe assembly 22, and the spray pipe assembly 22 rinses the oil cylinder located on the rolling positioning assembly 31. Similarly, the positioning assembly will also drive the oil cylinder to rotate to ensure complete rinsing. At this time, the drainage mechanism 4 recovers the clean water in the cleaning tank 21 and transports it back to the second water tank 12 to prevent liquid mixing.

[0043] like Figure 1 , Figure 2 and Figure 3As shown, the spray pipe assembly 22 includes multiple spray pipes 221 and a joint pipe 222. One end of the joint pipe 222 is connected to the multiple spray pipes 221 at the same time, and the other end of the joint pipe 222 is connected to the pumping assembly 23. In this embodiment, the number of spray pipes 221 is specifically three. The three spray pipes 221 are arranged directly above the cleaning tank 21 along the length direction of the cleaning tank 21. A nozzle is provided below the spray pipe 221, and the spray pipe 221 sprays liquid to clean the oil cylinder located in the cleaning tank 21.

[0044] To facilitate the installation and removal of the oil cylinder, the three spray pipes 221 all have a first position and a second position, that is, the position of the spray pipe 221 is movable. When the spray pipe 221 is in the first position, the spray pipe 221 is located directly above the rolling positioning assembly 31. The spray pipe 221 can move from the first position to the second position to expose the rolling positioning assembly 31, that is, when the oil cylinder needs to be installed or removed, the spray pipe 221 is moved to the second position. During the cleaning and rinsing process, the spray pipe 221 is moved to the first position.

[0045] Specifically, a mounting plate assembly 24 is provided at both ends of the cleaning tank 21. The mounting plate assembly 24 is used to install the spray pipe 221 and drive the spray pipe 221 to move its position. The mounting plate assembly 24 includes a mounting plate 241, guide rails 242 provided at both ends of the cleaning tank 21, and a slider 243 provided at the bottom of the mounting plate 241.

[0046] And the first cylinder 244, the guide rail 242 is arranged on the bracket along the width direction of the cleaning tank 21, the two ends of the spray pipe 221 are connected to the two mounting plates 241, and the mounting plates 241 are slidably arranged on the guide rail 242 through the slider 243, the telescopic shaft of the first cylinder 244 is connected to the mounting plate 241, and the first cylinder 244 is used to drive the mounting plate 241 to move on the guide rail 242, thereby realizing the position movement of the spray pipe 221.

[0047] Preferably, in this embodiment, a protective shell is provided on the top of the spray pipe 221 .

[0048] In order to ensure that the liquids are not mixed, an air pump 223 is provided on the joint pipe 222. The air pump 223 can blow air into the spray pipe 221 through the joint pipe 222 to clean the residual liquid in the spray pipe 221.

[0049] Blowing can blow off the residual liquid in the spray pipe 221 to prevent the cleaning agent and clean water from mixing, thereby fully ensuring the purity of the liquid.

[0050] Specifically, the pumping assembly 23 includes a first pumping pipe 231, a first pumping pump 232, a second pumping pipe 233 and a second pumping pump 234. The first pumping pipe 231 is inserted in the first water tank 11, and the second pumping pipe 233 is inserted in the second water tank 12.

[0051] The head pipe 222 is connected, the first water pump 232 extracts liquid in the first water tank 11 for the spray pipe 221 through the first water pumping pipe 231, and the second water pump 234 extracts liquid in the second water tank 12 for the spray pipe 221 through the second water pumping pipe 233.

[0052] like Figure 6 As shown, in order to improve the cleaning efficiency, a heat exchanger is provided in the first water tank 11 and the second water tank 12, and the heat exchanger is used to heat the liquid in the first water tank 11 and the second water tank 12.

[0053] The cleaning effect of water is better, thereby improving the cleaning efficiency; wherein, the heat exchanger includes a first heat exchange tube assembly 131 and a second heat exchange tube assembly symmetrically arranged in the first water tank 11 or the second water tank 12, and the first heat exchange tube assembly 131 and the second heat exchange tube assembly both located in the first water tank 11 or the second water tank 12 are connected, and the first heat exchange tube assembly 131 is provided with a water inlet pipe 131a, and the second heat exchange tube assembly is provided with a water outlet pipe 132a, that is, it is only necessary to add hot water through the water inlet pipe 131a, and discharge the cold water for heat dissipation through the water outlet pipe 132a. In actual applications, it only needs to be connected to the boiler room in the factory, which is more convenient.

[0054] like Figure 1 and Figure 4 As shown, the specific structure of the positioning mechanism 3 is as shown in the figure. The positioning mechanism 3 also includes a positioning seat 32 and a driving assembly 33. The rolling positioning assembly 31 includes multiple roller groups. In the present embodiment, the specific number of roller groups is three, that is, one positioning mechanism 3 can place three oil cylinders at the same time. Each roller group includes a first roller 311 and a second roller 312. The first roller 311 and the second roller 312 can be rotatably fixed on the positioning seat 32, and a gap for placing the oil cylinder is provided between the first roller 311 and the second roller 312. When the oil cylinder is placed between the first roller 311 and the second roller 312, the oil cylinder can be rolled as long as the first roller 311 and the second roller 312 roll synchronously.

[0055] Specifically, the driving assembly 33 includes a reduction motor 331 and a first sprocket 332 connected to the output shaft of the reduction motor 331. Two second sprocket groups 321 are provided on the positioning seat 32 on one side of the first roller 311, one of the second sprocket groups 321 is coaxial with the first roller 311, the first sprocket 332 is connected to a second sprocket group 321 through a first chain 333, and the two second sprocket groups 321 are connected through a second chain 323, and two third sprocket groups 322 are provided on the positioning seat 32 on one side of the second roller 312, one of the third sprocket groups 322 is coaxial with the second roller 312, and the two third sprocket groups 32 The second sprockets 321 and the second sprockets 322 are connected by the third chain 324, and the third sprocket set 322 far from the second roller 312 and the second sprocket set 321 far from the first roller 311 are connected by the fourth chain 325. In this embodiment, the two second sprocket sets 321 are arranged in the up-down direction, and the two second sprocket sets 321 are also arranged in the up-down direction, wherein the second sprocket set 321 located at the top is coaxial with the first roller 311, the third sprocket set 322 located at the top is coaxial with the second roller 312, and the adjacent second sprocket set 321 and the third sprocket set 322 located at the bottom are connected by the fourth chain 325, so that all rollers rotate synchronously.

[0056] like Figure 1 and Figure 5 As shown, specifically, the cleaning trough 21 is fixed on the bracket 5, and the drainage structure includes a drainage trough 41 and a second cylinder 42. The drainage trough 41 is provided with a drainage end and a hinged end. The bottom of the cleaning trough 21 is provided with a drainage port, and the hinged end is hinged on the bracket 5 and is located directly below the drainage port. The second cylinder 42 is fixed on the bracket 5, and the second cylinder 42 can drive the drainage trough 41 to rotate around the hinged end to drive the drainage end to switch directly above the first water tank 11 and the second water tank 12. The telescopic shaft of the second cylinder 42 telescopes and drives the drainage trough 41 to rotate around the hinged end. During the rotation, the drainage end rotates with the drainage trough 41, so that its position can be changed to facilitate classified drainage.

[0057] The technical solution of the present invention is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the concept of the present invention. The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art of the invention may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but they will not deviate from the spirit of the present invention or exceed the scope defined by the attached claims.

[0058] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0059] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. An oil cylinder cleaning device, characterized in that: Also includes: Bracket; A water tank mechanism, comprising a first water tank and a second water tank; A cleaning mechanism, which is fixed on the bracket, and includes a cleaning tank, a spray pipe assembly and a pumping assembly. The spray pipe assembly is located directly above the cleaning tank, and the pumping assembly is inserted into the first water tank and the second water tank at the same time, and is used to pump the liquid in the first water tank or the second water tank into the spray pipe assembly; A positioning mechanism, comprising a rolling positioning assembly, the rolling positioning assembly is fixed in the cleaning tank, the oil cylinder is placed on the rolling positioning assembly, and the rolling positioning assembly can drive the oil cylinder to rotate to increase the cleaning area of ​​the oil cylinder; a drainage mechanism, which is rotatably disposed below the cleaning tank and is used to recover the liquid in the cleaning tank and transport it to the first water tank or the second water tank; The spray pipe assembly includes a plurality of spray pipes and a joint pipe, one end of the joint pipe is connected to the plurality of spray pipes, and the other end of the joint pipe is connected to the pumping assembly, the plurality of spray pipes are arranged directly above the cleaning tank along the length direction of the cleaning tank, and the plurality of spray pipes have a first position and a second position; When the spray pipe is located at the first position, the spray pipe is located directly above the rolling positioning assembly, and the spray pipe can be moved from the first position to a second position to expose the rolling positioning assembly; The joint pipe is provided with an air pump, and the air pump blows air into the spray pipe through the joint pipe to clean the residual liquid in the spray pipe; The first water tank is set as a detergent water tank, the second water tank is set as a clean water tank, and heat exchangers are provided in the first water tank and the second water tank, and the heat exchangers are used to heat the liquids in the first water tank and the second water tank.

2. The oil cylinder cleaning device according to claim 1, characterized in that: Both ends of the cleaning tank are provided with mounting plate assemblies, the mounting plate assemblies include mounting plates, guide rails arranged at both ends of the cleaning tank, sliders arranged at the bottom of the mounting plates, and a first cylinder, the guide rails are arranged on the bracket along the width direction of the cleaning tank, the mounting plate is slidably arranged on the guide rails through the sliders, and the telescopic shaft of the first cylinder is connected to the mounting plate; The two ends of the spray pipe are respectively connected to the two mounting plates.

3. The oil cylinder cleaning device according to claim 1, characterized in that: The pumping assembly includes a first pumping pipe, a first pumping pump, a second pumping pipe and a second pumping pump. The first pumping pipe is inserted in the first water tank, the second pumping pipe is inserted in the second water tank, and the first pumping pipe and the second pumping pipe are both connected to the connecting pipe. The first pumping pipe extracts liquid in the first water tank for the spray pipe through the first pumping pipe, and the second pump extracts liquid in the second water tank for the spray pipe through the second pumping pipe.

4. The oil cylinder cleaning device according to claim 1, characterized in that: The heat exchanger includes a first heat exchange tube assembly and a second heat exchange tube assembly symmetrically arranged in the first water tank or the second water tank. The first heat exchange tube assembly both located in the first water tank or the second water tank is connected to the second heat exchange tube assembly. The first heat exchange tube assembly is provided with a water inlet pipe, and the second heat exchange tube assembly is provided with a water outlet pipe.

5. The oil cylinder cleaning device according to claim 1, characterized in that: The positioning mechanism also includes a positioning seat and a driving assembly. The rolling positioning assembly includes a plurality of roller groups, each of which includes a first roller and a second roller. The first roller and the second roller are both rotatably fixed on the positioning seat, and a gap is provided between the first roller and the second roller for placing the oil cylinder. The driving assembly is used to drive the first roller or the second roller.

6. The oil cylinder cleaning device according to claim 5, characterized in that: The driving assembly includes a reduction motor and a first sprocket connected to the output shaft of the reduction motor, two second sprocket groups are provided on the positioning seat on one side of the first roller, one of the second sprocket groups is coaxial with the first roller, the first sprocket is connected to one of the second sprocket groups through a first chain, and the two second sprocket groups are connected through a second chain, two third sprocket groups are provided on the positioning seat on one side of the second roller, one of the third sprocket groups is coaxial with the second roller, the two third sprocket groups are connected through a third chain, and the third sprocket group far away from the second roller is connected to the second sprocket group far away from the first roller through a fourth chain.

7. The oil cylinder cleaning device according to claim 1, characterized in that: The cleaning trough is fixed on the bracket, and the drainage mechanism includes a drainage trough and a second cylinder. The drainage trough is provided with a drainage end and a hinged end. The bottom of the cleaning trough is provided with a drainage port. The hinged end is hinged on the bracket and is located directly below the drainage port. The second cylinder is fixed on the bracket, and the second cylinder can drive the drainage trough to rotate around the hinged end to drive the drainage end to switch directly above the first water tank and the second water tank.

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