Tank cleaning device for canned fruit production

Abstract

The invention discloses a tank cleaning device for fruit can production, and belongs to the technical field of can cleaning equipment.The tank cleaning device for fruit can production comprises a supporting frame, a water tank is installed in the middle of the supporting frame, and water pumps are installed on the two sides of the water tank; an adjustable conveying mechanism used for moving the tank body is arranged between the supporting frame and a channel opening of the check curtain, and multi-directional cleaning mechanisms installed on the surface of the top end of the supporting frame are arranged on the two sides of the interior of the check curtain and used for cleaning the tank body at all angles. Through mutual cooperation of the adjustable conveying mechanism and the multi-directional cleaning mechanism, a certain included angle is formed between water flow sprayed by the spray head and the tank body, dead angles in the cleaning process can be effectively reduced, particularly, under cooperation of autorotation and inclination movement of the tank body, the spray head can better cover all the surfaces of the tank body, and the cleaning efficiency is improved. Complex shapes and narrow spaces such as the edge and the bottom of a tank opening are effectively cleaned, and cleaning blind spots and dead angles are avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of can cleaning equipment, and in particular relates to a can cleaning device for canned fruit production. Background Art

[0002] During canned fruit production, the surface of the cans can become contaminated, particularly by dust, oil, and other contaminants encountered during production, transportation, and storage. Therefore, a cleaning device effectively removes dirt and bacteria from the cans, preventing food contamination and ensuring that canned products meet food safety standards. Cleaning effectively removes impurities that could affect the can's seal and product quality, thereby ensuring the can's seal and the quality of its contents, reducing the risk of product spoilage due to uncleanliness and extending its shelf life.

[0003] When existing equipment is used to clean the can body, it is difficult for the cleaning equipment to fully reach the can edge and bottom, which usually have complex shapes or narrow spaces. This can easily lead to the cleaning liquid not being able to fully penetrate or cover these areas, leaving stains or microorganisms. If the cleaning is not thorough, dirt or grease may be left behind. These residues will affect the sealing effect, causing the can to leak or deteriorate, shortening the shelf life. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a can cleaning device for canned fruit production.

[0005] The technical solution adopted to solve the above technical problems is: a can cleaning device for canned fruit production, comprising a support frame, a water tank installed in the middle of the support frame, and water pumps installed on both sides of the water tank, an outer shell installed on the top of the support frame, and passage openings opened on both sides of the outer shell, and a curtain installed at the passage opening of the outer shell, an adjustable conveying mechanism for moving the can body is provided between the support frame and the passage opening of the curtain, and multi-directional cleaning mechanisms installed on the top surface of the support frame are provided on both sides of the inner side of the curtain for cleaning the can body at all angles.

[0006] Through the above technical solution, the angled nozzle can spray water in an oblique manner, ensuring that the water flow can more fully cover different angles and surfaces of the tank body. The tilted and rotating tank body is more likely to come into contact with the water liquid during the cleaning process, thereby enhancing the cleaning effect, especially in hard-to-reach areas such as the bottom and sides of the tank body.

[0007] Furthermore, the adjustable conveying mechanism includes a frame with a hollow structure in the middle, and two springs are fixedly connected to the bottom of one side of the frame, and the other end of the spring is fixed to the top surface of the support frame. A connecting rod welded to the spring is provided between the two springs, and the other end of the connecting rod is spherical, and the other end of the connecting rod is universally connected to the support frame. The bottom of the frame away from the spring is universally connected to two jacking threaded rods, and the other end of the jacking threaded rod is threadedly connected to a chain assembly, and the jacking threaded rod is threadedly connected to the support frame. The chain assembly is located at the bottom of the support frame, and the sprocket in the chain assembly is rotatably connected to the support frame, and the jacking threaded rod is threadedly connected to the sprocket in the chain assembly.

[0008] Through the above technical solution, the rotation and tilting actions help to clean all directions of the tank body, and the up, down, left and right reciprocating motion of the cleaning mechanism further breaks the cleaning blind spots and avoids omissions that may exist in traditional static cleaning. Especially for deeper tanks or tanks with complex shapes, the reciprocating motion can clean each part more carefully.

[0009] Furthermore, the frame has two limit frames slidingly connected therein, and a double threaded rod is connected to one side of the two limit frames, one end of the double threaded rod is rotatably connected to the frame, and the other end of the double threaded rod is rotatably connected to the frame, and at the same time, a handle is fixedly connected to the through end of the double threaded rod and the bottom end of one of the jacking threaded rods, and the limit frame is rotatably connected to the side away from the outer shell, and the variable pitch screw is made of rubber non-slip material, and at the same time, a first motor is installed on the end of the limit frame away from the outer shell, the output end of the first motor is rotatably connected to the limit frame, and the through end of the first motor is fixedly connected to the variable pitch screw.

[0010] Through the above technical solution, during the cleaning process, the rotation and tilting of the tank body can avoid the impact force caused by the unidirectional spray of water on the tank body, effectively reducing damage or corrosion to the tank body, especially in the case of high-pressure cleaning, ensuring that the surface of the tank body is not excessively rubbed or damaged.

[0011] Furthermore, the multi-directional cleaning mechanism includes a fixed plate fixedly connected to the center of the top surface of the support frame, and the fixed plate is arranged in a U-shaped structure. The fixed plate is rotatably connected to the first gear at both ends away from the support frame, and the first gear is transmission-connected to the second gear on one side, and the second gear is rotatably connected to the third gear on one side. The first gear, the second gear and the third gear are rotatably connected to a triangular plate on one side, and the triangular plate is rotatably connected to the side away from the third gear, and the rotating plate connecting shaft is rotatably connected to the triangular plate, and the rotating plate connecting shaft is connected to the triangular plate through the through end and is fixedly connected to the third gear.

[0012] Through the above technical solution, water flow can be more fully utilized through multi-directional movement, and the cleaning effect is better, thereby reducing water waste. The improvement in cleaning efficiency also means less water consumption, thereby reducing production costs and contributing to environmental protection.

[0013] Furthermore, the fixed plate is rotatably connected to a worm gear on the side away from the first gear, and the worm gear connecting shaft is rotatably connected to the fixed plate, and the through end of the worm gear connecting shaft is fixedly connected to the first gear, the worm gear is rotatably connected to the side away from the fixed plate, and the synchronous wheel connecting shaft in the synchronous belt assembly is rotatably connected to the worm gear, the fixed plate and the first gear, and the through end of the synchronous wheel connecting shaft in the synchronous belt assembly is fixedly connected to the triangular plate.

[0014] Through the above technical solution, by precisely controlling the up, down, left, and right reciprocating motion of the cleaning mechanism, water can be sprayed more accurately during the cleaning process, reducing unnecessary waste. The water flow can be more effectively concentrated in narrow spaces such as the edge and bottom of the tank mouth, achieving efficient cleaning effects and reducing resource consumption.

[0015] Furthermore, the two worm gears are connected to a worm at the bottom of the transmission, one end of the worm is connected to the fixed plate for rotation, and the other end of the worm is connected to the fixed plate for rotation, and the through end of the worm is connected to the inner wall of the outer shell for rotation, a third motor is installed on one side of the outer shell channel, and the output end of the third motor is connected to the outer shell for rotation, and the through end of the third motor is connected and fixed to the worm, a second motor is installed on both sides of the outer shell, and the output end of the second motor is connected to the outer shell for rotation, and the through end of the second motor is connected and fixed to a synchronous wheel in the synchronous belt assembly.

[0016] Through the above technical solution, automated cleaning can be achieved, reducing errors caused by manual operation, which not only improves the consistency and stability of cleaning, but also improves production efficiency and avoids incomplete or uneven cleaning due to manual cleaning.

[0017] Furthermore, the two rotating plates are rotatably connected to a support plate at one end away from the triangular plate, and a plurality of mounting seats arranged linearly and equidistantly are installed on the top of the support plate. At the same time, a nozzle is installed inside the mounting seat on the side away from the support plate. One end of the nozzle is connected to a hose, and the other end of the hose is located in the water tank. At the same time, the hose is passed through the side wall of the water tank, and the end of the hose away from the nozzle is connected to the water pump.

[0018] Furthermore, a drain pipe is installed at the bottom of one side of the water tank, and a water inlet pipe is installed at the top of the water tank away from the drain pipe, and a control panel is installed on one side of the shell.

[0019] Through the above technical solution, when the tank body is cleaned, the water returns to the water tank under the action of gravity and can be reused, reducing the waste of water resources. When the water in the water tank is turbid, it can be discharged through the drain pipe and replaced with cleaning water.

[0020] The beneficial effects of the present invention are as follows: (1) The present invention adopts an adjustable conveying mechanism, rotates the handle at the bottom of the jacking threaded rod, and under the action of the chain assembly, the two jacking threaded rods rotate at the same time, so that when the frame is jacked or lowered, the spherical end of the jacking threaded rod and the frame rotate relative to each other, and the connecting rod at the other end of the frame rotates relative to the support frame, and pulls or compresses the spring, so that the frame rotates with the connecting rod and the support frame as the origin, resulting in an angle tilt, and then a number of tanks are placed one by one from the variable pitch screw, and the first motor drives the variable pitch screw Rotation causes the variable pitch screw to move the tank body forward along the linear direction of the limit frame, while driving the tank body to rotate within the two limit frames. When the tank body leaves the variable pitch screw, under the action of gravity, the tank body will still move into the shell along the linear direction of the limit frame under the action of gravity. By tilting the conveyor line and the rotation of the tank body, it can ensure that all angles of the tank body can be contacted and cleaned, avoiding the dead angles that may occur in traditional static cleaning. At the same time, it reduces the contact time between water and the tank surface, while increasing the coverage rate of the cleaning liquid and shortening the cleaning time, thereby improving the overall efficiency of the production line. (2) The present invention adopts a multi-directional cleaning mechanism. The second motor and the third motor can operate simultaneously or separately. When the second motor is running, it drives the synchronous belt assembly to transmit, and then drives the triangular plate to rotate, so that the second gear moves along the circumference of the first gear. At the same time, the second gear rotates, driving the third gear on one side to rotate, and then drives the rotating plate to rotate while following the second gear to move along the circumference of the first gear, so as to promote the support plate and the nozzle on the top of the support plate to move up and down to clean the tank body. When the third motor is running, it drives the worm to rotate, and the worm wheel rotates synchronously, thereby driving the first gear to rotate. The second motor drives the triangular plate and its moving components to work together to make the support plate and the nozzle on its top reciprocate up, down, left and right. Then the water pump runs to suck the water in the water tank into the nozzle through the hose and then spray it out to clean the tank body. Then the water pump runs to suck the water in the water tank into the nozzle through the hose and then spray it out to clean the tilted and rotating tank body. When a certain angle is formed between the nozzle and the tank body, the sprayed liquid can be more evenly distributed on different parts of the tank body for repeated and comprehensive cleaning, especially the edge and bottom of the tank mouth, which are more difficult to access, to avoid insufficient cleaning of certain areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of the first perspective of the present invention; Figure 2 It is a schematic structural diagram of the second viewing angle of the present invention; Figure 3 3 is a schematic structural diagram of the present invention from a third perspective; Figure 4 3 is a schematic structural diagram of the present invention from a third perspective; Figure 5 It is a schematic diagram of the internal structure of the housing of the present invention; Figure 6 It is a schematic diagram of the top structure of the support frame of the present invention; Figure 7 yes Figure 3 A schematic diagram of the enlarged structure at point A; Figure 8 yes Figure 4 A schematic diagram of the enlarged structure at point B; Figure 9 yes Figure 2 Schematic diagram of the enlarged structure at C; Figure 10 This is a schematic structural diagram of the multi-directional cleaning mechanism of the present invention from a first perspective; Figure 11 It is a second perspective structural diagram of the multi-directional cleaning mechanism of the present invention.

[0022] Figure numerals: 11. support frame; 12. water tank; 13. water pump; 14. drain pipe; 15. outer shell; 16. control panel; 17. curtain; 18. tank body; 19. water inlet pipe; 2. adjustable conveying mechanism; 21. frame; 22. limit frame; 23. double threaded rod; 24. lifting threaded rod; 25. chain assembly; 26. handle; 27. variable pitch screw; 28. first motor; 29. connecting rod; 210. spring; 3. multi-directional cleaning mechanism; 31. second motor; 32. third motor; 33. fixing plate; 34. first gear; 35. triangle plate; 36. second gear; 37. third gear; 38. rotating plate; 39. support plate; 310. mounting seat; 311. nozzle; 312. hose; 313. worm; 314. worm gear; 315. synchronous belt assembly. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] like Figure 1-Figure 5As shown, a tank cleaning device for canned fruit production in this embodiment includes a support frame 11, a water tank 12 is installed in the middle of the support frame 11, and water pumps 13 are installed on both sides of the water tank 12, a drain pipe 14 is installed at the bottom of one side of the water tank 12, and a water inlet pipe 19 is installed on the top of the water tank 12 away from the drain pipe 14. When cleaning the tank 18, water returns to the water tank 12 under the action of gravity and can be reused to reduce the waste of water resources. When the water in the water tank 12 is turbid, it can be discharged through the drain pipe 14 to replace the cleaning water. A control panel 16 is installed on one side of the shell 15, and a shell 15 is installed on the top of the support frame 11, and passage openings are opened on both sides of the shell 15. At the same time, a curtain 17 is installed at the passage opening of the shell 15, and an adjustable conveying mechanism 2 for moving the tank 18 is provided between the passage opening of the support frame 11 and the curtain 17.

[0025] like Figure 5-Figure 9 As shown, the adjustable conveying mechanism 2 includes a frame 21 with a hollow structure in the middle, and two limit frames 22 are slidably connected inside the frame 21, and a double threaded rod 23 is connected to one side of the two limit frames 22. One end of the double threaded rod 23 is rotatably connected to the frame 21, and the other end of the double threaded rod 23 is rotatably connected to the frame 21. At the same time, the through end of the double threaded rod 23 and the bottom end of one of the jacking threaded rods 24 are respectively fixedly connected with a handle 26. The limit frame 22 is rotatably connected to the side away from the shell 15, and the pitch screw 27 is made of rubber non-slip material. At the same time, the limit frame 22 is installed at one end away from the shell 15. A first motor 28 is installed, and the output end of the first motor 28 is rotatably connected to the limit frame 22, and the through end of the first motor 28 is fixedly connected to the variable pitch screw 27. The rotation and tilting movements help to clean the tank body 18 in all directions, and the up, down, left and right reciprocating motion of the cleaning mechanism further breaks the cleaning dead angle and avoids the omissions that may exist in traditional static cleaning. Especially for deeper tank bodies 18 or tank bodies 18 with complex shapes, the reciprocating motion can clean each part more carefully, and two springs 210 are fixedly connected to the bottom of one side of the frame 21, and the other end of the spring 210 is fixedly connected to the top surface of the support frame 11.

[0026] like Figure 6-Figure 9As shown, a connecting rod 29 welded and fixed to the spring 210 is provided between the two springs 210, and the other end of the connecting rod 29 is spherical, and the other end of the connecting rod 29 is universally connected to the support frame 11. The frame 21 is universally connected to two lifting threaded rods 24 at the bottom of the side away from the spring 210, and the other end of the lifting threaded rod 24 is threadedly connected to a chain assembly 25, and the lifting threaded rod 24 is threadedly connected to the support frame 11. During the cleaning process, the rotation and tilting action of the tank body 18 can avoid the impact force of the unidirectional spray of water on the tank body 18, effectively reducing damage or corrosion to the tank body 18, especially in the case of high-pressure cleaning, to ensure that the surface of the tank body 18 is not excessively rubbed or damaged. The chain assembly 25 is located at the bottom of the support frame 11, and the sprocket in the chain assembly 25 is rotatably connected to the support frame 11, and the lifting threaded rod 24 is threadedly connected to the sprocket in the chain assembly 25.

[0027] like Figure 3-Figure 11 As shown, multi-directional cleaning mechanisms 3 are provided on both sides of the interior of the curtain 17 and are installed on the top surface of the support frame 11 for cleaning the tank body 18 at all angles. The multi-directional cleaning mechanism 3 includes a fixed plate 33 fixedly connected to the center of the top surface of the support frame 11, and the fixed plate 33 is rotatably connected to the side away from the first gear 34. The two worm gears 314 are transmission-connected to the bottom of the two worm gears 314. One end of the worm 313 is rotatably connected to the fixed plate 33, and the other end of the worm 313 is rotatably connected to the fixed plate 33. At the same time, the through end of the worm 313 is rotatably connected to the inner wall of the shell 15, which can make fuller use of water flow through multi-directional movement and achieve better cleaning effect, thereby reducing water waste. The improvement of cleaning efficiency also means less water consumption, thereby reducing production costs. Cost-effective and environmentally friendly, a third motor 32 is installed on one side of the channel opening of the shell 15, and the output end of the third motor 32 is rotatably connected to the shell 15, and the through end of the third motor 32 is fixedly connected to the worm 313, and a second motor 31 is installed on both sides of the shell 15, and the output end of the second motor 31 is rotatably connected to the shell 15, and the through end of the second motor 31 is fixedly connected to a synchronous wheel in the synchronous belt assembly 315, and the worm gear 314 connecting shaft is rotatably connected to the fixed plate 33, and the through end of the worm gear 314 connecting shaft is fixedly connected to the first gear 34, which can realize automatic cleaning and reduce the error caused by manual operation, which not only improves the consistency and stability of cleaning, but also improves production efficiency and avoids incomplete or uneven cleaning due to manual cleaning.

[0028] like Figure 4-11The worm gear 314 is rotatably connected to the synchronous belt assembly 315 on the side away from the fixed plate 33, and the synchronous wheel connecting shaft in the synchronous belt assembly 315 is rotatably connected to the worm gear 314, the fixed plate 33 and the first gear 34. At the same time, the synchronous wheel connecting shaft in the synchronous belt assembly 315 is rotatably connected to the triangular plate 35 at the through end, and the fixed plate 33 is arranged in a U-shaped structure. The fixed plate 33 is rotatably connected to the first gear 34 at both ends away from the support frame 11, and the first gear 34 is transmission-connected to the second gear 36 on one side. At the same time, the second gear 36 is rotatably connected to the third gear 37 on one side. The first gear 34, the second gear 36 and the third gear 37 are rotatably connected to the triangular plate 35 on one side. By accurately controlling the up, down, left and right reciprocating motion of the cleaning mechanism, water can be sprayed more accurately during the cleaning process, reducing unnecessary waste. The water flow can be more effectively concentrated on the narrow space such as the edge and bottom of the tank mouth, achieving an efficient cleaning effect and reducing resource consumption. The top of the support plate 39 is provided with a plurality of mounting seats 310 arranged linearly and equidistantly. At the same time, a nozzle 311 is installed inside the mounting seat 310 on the side away from the support plate 39. The nozzle 311 at an angle can spray water in an oblique manner to ensure that the water can more fully cover the different angles and surfaces of the tank body 18. The tilted and rotating tank body 18 is more likely to come into contact with the water liquid during the cleaning process, thereby enhancing the cleaning effect, especially in the hard-to-reach areas such as the bottom and side of the tank body 18. One end of the nozzle 311 is connected to a hose 312, and the other end of the hose 312 is located in the water tank 12. At the same time, the hose 312 is passed through the side wall of the water tank 12. The end of the hose 312 away from the nozzle 311 is connected to the water pump 13. The rotating plate 38 connecting shaft is rotatably connected to the triangular plate 35. At the same time, the through end of the rotating plate 38 connecting shaft is fixedly connected to the third gear 37.

[0029] The working principle of this embodiment is as follows. Before use, a sufficient amount of water is injected into the water tank 12 through the water inlet pipe 19, and then according to the different sizes of the tank body 18, the double threaded rod 23 is rotated by rotating the handle 26 on one side of the double threaded rod 23, so that the two limit frames 22 move in opposite or separate directions, and the distance between the two limit frames 22 is changed. At the same time, the handle 26 at the bottom of the jacking threaded rod 24 is rotated, and under the action of the chain assembly 25, the two jacking threaded rods 24 are rotated at the same time, so that when the frame 21 is jacked or lowered, the spherical end of the jacking threaded rod 24 rotates relative to the frame 21, and the connecting rod 29 at the other end of the frame 21 rotates relative to the support frame 11, and pulls or compresses the spring 210, so that the frame 21 rotates with the connecting rod 29 and the support frame 11 as the origin, resulting in an angle of inclination.

[0030] Then, several tank bodies 18 are placed one by one from the variable pitch screw 27, and by operating the control panel 16, the first motor 28 is operated to drive the variable pitch screw 27 to rotate, thereby prompting the variable pitch screw 27 to cause the tank body 18 to move forward along the linear direction of the limit frame 22, while driving the tank body 18 to rotate in the two limit frames 22. After the tank body 18 leaves the variable pitch screw 27, under the action of gravity, the tank body 18 will still move along the linear direction of the limit frame 22 into the shell 15 while rotating.

[0031] Then the water pump 13 is operated to suck the water in the water tank 12 into the nozzle 311 through the hose 312 and then spray it out to clean the tank body 18. At the same time, the second motor 31 and the third motor 32 can be operated simultaneously or separately. When the second motor 31 is running, it drives the synchronous belt assembly 315 to transmit, and then drives the triangular plate 35 to rotate, so that the second gear 36 moves along the circumference of the first gear 34. At the same time, the second gear 36 rotates, driving the third gear 37 on one side to rotate, and then drives the rotating plate 38 to rotate while following the second gear 36 to move along the circumference of the first gear 34, so as to prompt the support plate 39 and the nozzle 315 on its top to rotate. 11 performs up and down reciprocating motion to clean the tank body 18, and when the third motor 32 runs to drive the worm 313 to rotate, the worm wheel 314 follows and rotates synchronously, thereby driving the first gear 34 to rotate, and with the cooperation of the triangular plate 35 and its motion components driven by the second motor 31, the support plate 39 and the nozzle 311 on the top thereof perform up and down reciprocating motion, thereby moving the tank body 18 along the linear direction of the limit frame 22 into the shell 15 while rotating for cleaning, and by controlling the reverse rotation of the second motor 31 and the third motor 32, the movement trajectory of the support plate 39 and the nozzle 311 on the top thereof can be indirectly controlled.

[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A can cleaning device for canned fruit production, comprising a support frame (11), a water tank (12) mounted in the middle of the support frame (11), water pumps (13) mounted on both sides of the water tank (12), a housing (15) mounted on the top of the support frame (11), passage openings formed on both sides of the housing (15), and curtains (17) mounted at the passage openings of the housing (15), characterized in that: An adjustable conveying mechanism (2) for moving the tank body (18) is provided between the support frame (11) and the passage opening of the curtain (17), and multi-directional cleaning mechanisms (3) mounted on the top surface of the support frame (11) are provided on both sides of the interior of the curtain (17) for cleaning the tank body (18) at various angles.

2. The tank cleaning device for canned fruit production according to claim 1, characterized in that: The adjustable conveying mechanism (2) includes a frame (21) with a hollow structure in the middle, and two springs (210) are fixedly connected to the bottom of one side of the frame (21), and the other end of the spring (210) is fixedly connected to the top surface of the support frame (11), and a connecting rod (29) is provided between the two springs (210) and is welded and fixed to the spring (210), and the other end of the connecting rod (29) is spherical, and the other end of the connecting rod (29) is universally rotatably connected to the support frame (11). The bottom of the frame (21) away from the spring (210) is universally connected to two lifting threaded rods (24), and the other end of the lifting threaded rod (24) is threadedly connected to a chain assembly (25), and the lifting threaded rod (24) is threadedly connected to the support frame (11). The chain assembly (25) is located at the bottom of the support frame (11), and the sprocket in the chain assembly (25) is rotatably connected to the support frame (11). At the same time, the lifting threaded rod (24) is threadedly connected to the sprocket in the chain assembly (25).

3. The tank cleaning device for canned fruit production according to claim 2, characterized in that: The frame (21) is internally provided with two limit frames (22) which are slidably connected thereto, and a double threaded rod (23) is connected to one side of the two limit frames (22). One end of the double threaded rod (23) is rotatably connected to the frame (21), and the other end of the double threaded rod (23) is rotatably connected to the frame (21). At the same time, a handle (26) is fixedly connected to the through end of the double threaded rod (23) and the bottom end of one of the lifting threaded rods (24). The limit frame (22) is rotatably connected to a variable pitch screw (27) on the side away from the housing (15), and the variable pitch screw (27) is made of rubber non-slip material. At the same time, a first motor (28) is installed on the end of the limit frame (22) away from the housing (15). The output end of the first motor (28) is rotatably connected to the limit frame (22), and the through end of the first motor (28) is fixedly connected to the variable pitch screw (27).

4. The tank cleaning device for canned fruit production according to claim 1, characterized in that: The multi-directional cleaning mechanism (3) comprises a fixed plate (33) fixedly connected to the center of the top surface of the support frame (11), and the fixed plate (33) is arranged in a U-shaped structure. The fixed plate (33) is rotatably connected to the first gear (34) at both ends away from the support frame (11), and the first gear (34) is transmission-connected to the second gear (36) on one side, and the second gear (36) is rotatably connected to the third gear (37) on one side. The first gear (34), the second gear (36) and the third gear (37) are rotatably connected to the triangular plate (35) on one side. The triangular plate (35) is rotatably connected to the rotating plate (38) on the side away from the third gear (37), and the rotating plate (38) is rotatably connected to the triangular plate (35) through a connecting shaft. At the same time, the through end of the connecting shaft of the rotating plate (38) is fixedly connected to the third gear (37).

5. The tank cleaning device for canned fruit production according to claim 4, characterized in that: The fixed plate (33) is rotatably connected to a worm gear (314) on a side away from the first gear (34), and a connecting shaft of the worm gear (314) is rotatably connected to the fixed plate (33), and a through-end of the connecting shaft of the worm gear (314) is fixedly connected to the first gear (34). The worm gear (314) is rotatably connected to a synchronous belt assembly (315) on a side away from the fixed plate (33), and a synchronous wheel connecting shaft in the synchronous belt assembly (315) is rotatably connected to the worm gear (314), the fixed plate (33) and the first gear (34), and a through-end of the synchronous wheel connecting shaft in the synchronous belt assembly (315) is fixedly connected to the triangular plate (35).

6. The tank cleaning device for canned fruit production according to claim 5, characterized in that: The bottom of the two worm wheels (314) is connected to a worm (313) in a transmission manner. One end of the worm (313) is connected to the fixed plate (33) through rotation, and the other end of the worm (313) is connected to the fixed plate (33) through rotation. At the same time, the through end of the worm (313) is connected to the inner wall of the housing (15) through rotation. A third motor (32) is installed on one side of the passage opening of the housing (15), and the output end of the third motor (32) is connected to the housing (15) through rotation. At the same time, the through end of the third motor (32) is connected and fixed to the worm (313). A second motor (31) is installed on both sides of the housing (15), and the output end of the second motor (31) is connected to the housing (15) through rotation. At the same time, the through end of the second motor (31) is connected and fixed to a synchronous wheel in the synchronous belt assembly (315).

7. The tank cleaning device for canned fruit production according to claim 4, characterized in that: The two rotating plates (38) are rotatably connected to a support plate (39) at one end away from the triangular plate (35), and a plurality of mounting seats (310) arranged linearly and equidistantly are installed on the top of the support plate (39). At the same time, a nozzle (311) is installed inside the mounting seat (310) at a side away from the support plate (39). One end of the nozzle (311) is connected to a hose (312), and the other end of the hose (312) is located in the water tank (12). At the same time, the hose (312) is penetrated by the side wall of the water tank (12), and the end of the hose (312) away from the nozzle (311) is connected to the water pump (13).

8. The tank cleaning device for canned fruit production according to claim 1, characterized in that: A drain pipe (14) is installed at the bottom of one side of the water tank (12), and a water inlet pipe (19) is installed at the top of the side of the water tank (12) away from the drain pipe (14). A control panel (16) is installed at one side of the housing (15).

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