Cleaning device for glass mold

By designing a circular plate to drive a rotating plate and a square plate to slide inside the cleaning tank, combined with the vibration of the sliding plate and the impact plate, the problem of incomplete cleaning of glass molds is solved, achieving all-round cleaning and water resource recycling.

CN223616364UActive Publication Date: 2025-12-02TIANJIN ZHONGSHENG LATEX CO LTD
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Patent Information

Application Number
CN202423139459.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-02
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing glass mold cleaning equipment cannot thoroughly clean complex shaped areas and corners, resulting in incomplete cleaning.

Method used

A glass mold cleaning device was designed. A circular plate drives a rotating plate and a square plate to slide up and down inside the cleaning tank. Combined with the vibration of the sliding plate and the impact plate, the glass mold is thoroughly cleaned, and the cleaning water is recycled through a filtration system.

Benefits of technology

It enables comprehensive cleaning of glass molds, improves cleaning efficiency, and enhances water resource utilization through a filtration system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mold cleaning, and discloses a glass mold cleaning device which comprises a cleaning box, the right side of the cleaning box is fixedly connected with a protection box, the right side of the inner wall of the protection box is fixedly connected with a driving assembly for driving follow-up components, and the left end and the right end of the cleaning box are both rotationally connected with circular plates. The device comprises two circular plates, the close sides of the two circular plates are rotationally connected with rotating plates through pins, the bottom ends of the two rotating plates are rotationally connected with square plates through pins, the close sides of the two square plates are fixedly connected with connecting plates, and the bottom sides of the two connecting plates are fixedly connected with a supporting frame. According to the glass mold cleaning device, the supporting frame connected through the square plate and the connecting plate moves up and down along with the square plate, the containing frame in the supporting frame is used for containing the glass mold, and therefore up-down reciprocating motion of the glass mold in the cleaning box is achieved, a cleaning medium can make full contact with all parts of the glass mold, and the purpose of comprehensive cleaning is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of mold cleaning technology, and in particular to a cleaning device for glass molds. Background Technology

[0002] Glass molds play a crucial role in the dairy production process. Glass molds offer advantages such as transparency, non-toxicity, odorlessness, and good chemical stability, ensuring the quality and safety of dairy products while also facilitating observation of the molding process.

[0003] In existing technologies, most glass mold cleaning devices can only perform fixed-position rinsing and cannot clean the glass molds from all angles. In particular, some complex-shaped areas and corners are difficult to be effectively covered by the cleaning medium, thus failing to clean the glass molds thoroughly and ultimately resulting in incomplete cleaning. Therefore, a glass mold cleaning device is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a glass mold cleaning device, which aims to improve the problem that some existing glass mold cleaning devices cannot rinse all areas, resulting in incomplete cleaning.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A cleaning device for glass molds includes a cleaning tank. A protective box is fixedly connected to the right side of the cleaning tank. A drive assembly for driving subsequent components is fixedly connected to the right side of the inner wall of the protective box. Circular plates are rotatably connected to both ends of the cleaning tank. Rotating plates are rotatably connected to adjacent sides of the two circular plates via pins. Square plates are rotatably connected to the bottom ends of the two rotating plates via pins. Connecting plates are fixedly connected to adjacent sides of the two square plates. Support frames are fixedly connected to the bottom sides of the two connecting plates. A placement frame is slidably connected to the inner wall of the support frame. Side plates are fixedly connected to the front and rear ends of the top side of the placement frame. Sliding blocks are slidably connected to the front and rear ends of the placement frame. A fixing rod is slidably connected to the inner wall of the sliding block. A spring is sleeved on the outside of the fixing rod. A clamping plate is slidably connected to the inner wall of the placement frame. A net frame is fixedly connected to the bottom end of the inner wall of the placement frame.

[0007] As a further description of the above technical solution:

[0008] A drive wheel is fixedly connected to the left end of the drive assembly, and a belt is fitted around the drive wheel. A water outlet pipe is fixedly connected to the bottom end of the cleaning tank, and a valve is installed inside the water outlet pipe. A filter box is fixedly connected to the bottom end of the water outlet pipe, and a right-angle pipe is fixedly connected to the bottom end of the filter box. A connecting box is fixedly connected to the right side of the filter box. A flow guide plate is fixedly connected to the left side of the inner wall of the filter box, and a filter plate is fixedly connected to the right side of the inner wall of the filter box. A force-bearing plate is fixedly connected to the side of the flow guide plate and the filter plate adjacent to each other. A support assembly for supporting the rotation of subsequent components is fixedly connected to the right side of the inner wall of the receiving box. A driven wheel is rotatably connected to the left end of the support assembly. A connecting column is fixedly connected to the left side of the driven wheel. A striking plate is fixedly connected to the left side of the connecting column. A limit frame is fixedly connected to the bottom side of the inner wall of the receiving box. A strip plate is slidably connected to the inner wall of the limit frame. A striking plate is fixedly connected to the left side of the strip plate. A spring is sleeved on the left end of the strip plate. A sliding plate is fixedly connected to the right side of the strip plate. A triangular block is fixedly connected to the top side of the sliding plate.

[0009] As a further description of the above technical solution:

[0010] The drive assembly includes a motor, the right side of which is fixedly connected to the right side of the inner wall of the protective box, and the drive end of the motor is fixedly connected to a rotating shaft.

[0011] As a further description of the above technical solution:

[0012] The left side of the rotating shaft is fixedly connected to the right side of one of the circular plates, and the inner wall of the cleaning tank has strip-shaped openings on both the left and right sides.

[0013] As a further description of the above technical solution:

[0014] The square plate is slidably connected to the inside of the strip opening, and a ring is fixedly connected to the top side of the side plate. The top side of the fixing rod is fixedly connected to the top side of the inner wall of the side plate.

[0015] As a further description of the above technical solution:

[0016] The support assembly includes a support shaft, the right side of which is fixedly connected to the right side of the inner wall of the connecting box, and the left side of which is fixedly connected to an I-shaped column.

[0017] As a further description of the above technical solution:

[0018] The outer part of the I-shaped column is rotatably connected to the inside of the driven wheel, the outer part of the driven wheel is sleeved inside the belt, the outer part of the striking plate is in contact with the outer part of the strip plate, the left end of the strip plate is fixedly connected to a limiting plate, and the right side of the limiting plate is fixedly connected to the left end of the second spring.

[0019] As a further description of the above technical solution:

[0020] The cleaning tank has four fixed support legs at its bottom corners, and a base plate is fixedly connected to the bottom of each of the support legs. A cover plate is rotatably connected to the top of the cleaning tank, and a water spray pipe is fixedly connected inside the cover plate.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the rotation of the circular plate drives the movement of the rotating plate. The rotating plate is connected to the square plate by a pin, allowing the square plate to slide up and down within the strip-shaped openings on both sides of the inner wall of the cleaning tank. The support frame connected to the square plate by the connecting plate moves up and down accordingly. The placement frame inside the support frame is used to place the glass mold, thereby realizing the reciprocating up and down movement of the glass mold inside the cleaning tank, allowing the cleaning medium to fully contact all parts of the glass mold, achieving the purpose of comprehensive cleaning.

[0023] 2. In this utility model, the sliding plate will drive the strip plate to slide and drive the limiting plate to slide and squeeze the second spring, so that the second spring can store elastic potential energy, and then give the strip plate a force in the opposite direction. At this time, the striking plate can be driven to slide and reset to strike the force plate, so that the impurities on the filter plate are vibrated and slide to the left. Then the filtered water will flow out through the right-angle tube at the bottom and be recycled, thereby improving the utilization rate of resources. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a glass mold cleaning device proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the support frame of a glass mold cleaning device proposed in this utility model;

[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0027] Figure 4 This is a schematic diagram of the placement frame of a glass mold cleaning device proposed in this utility model;

[0028] Figure 5 for Figure 4 Enlarged view at point B in the middle;

[0029] Figure 6 This is a schematic diagram of the structure of the guide plate of a glass mold cleaning device proposed in this utility model;

[0030] Figure 7 for Figure 6 Enlarged view of point C in the middle.

[0031] Legend:

[0032] 1. Cleaning tank; 2. Protective box; 3. Motor; 4. Rotating shaft; 5. Circular plate; 6. Rotating plate; 7. Square plate; 8. Connecting plate; 9. Support frame; 10. Placement frame; 11. Side plate; 12. Sliding block; 13. Fixing rod; 14. Spring 1; 15. Ring; 16. Clamping plate; 17. Barrier frame; 18. Strip opening; 19. Drive wheel; 20. Belt; 21. Water outlet pipe; 22. Filter box; 23. Connecting box; 24. Diversion plate; 25. Filter plate; 26. Force plate; 27. Support shaft; 28. I-shaped column; 29. ​​Driven wheel; 30. Connecting column; 31. Striking plate; 32. Limiting frame; 33. Strip plate; 34. Striking plate; 35. Spring 2; 36. Sliding plate; 37. Triangular block; 38. Support leg; 39. Base plate; 40. Cover plate. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1 to 3 This utility model provides an embodiment of a glass mold cleaning device, comprising a cleaning tank 1 that holds the glass mold and the cleaning medium required for cleaning. The cleaning tank 1 is made of a sturdy and durable material, capable of withstanding various forces during the cleaning process. A protective box 2 is tightly fixedly connected to the right side of the cleaning tank 1, serving to protect the internal components. A drive assembly for driving subsequent components is firmly fixedly connected to the right side of the inner wall of the protective box 2. The drive assembly includes a motor 3, the right side of which is securely connected to the right side of the inner wall of the protective box 2, ensuring that the motor 3 will not shake or shift during operation. The motor 3 has a power output, providing a stable driving force for the entire cleaning device. A rotating shaft 4 is fixedly connected to the drive end of the motor 3, transmitting the power of the motor 3.

[0035] Both ends of the cleaning tank 1 are connected to circular plates 5 via a precise rotating connection. The left side of the rotating shaft 4 is also securely connected to the right side of one of the circular plates 5, ensuring smooth power transmission to the circular plate 5. Rotating plates 6 are rotatably connected to adjacent sides of the two circular plates 5 via pins. This pin connection allows the rotating plates 6 to rotate freely. Square plates 7 are rotatably connected to the bottom ends of the two rotating plates 6 via pins, allowing the square plates 7 to move stably within the cleaning tank 1. Connecting plates 8 are fixedly connected to adjacent sides of the two square plates 7, serving both connecting and supporting functions. Support frames 9 are fixedly connected to the bottom sides of the two connecting plates 8. The regularly shaped support frames 9 provide stable support for the placement frame 10.

[0036] Reference Figure 1 , Figure 4 and Figure 5 A placement frame 10 is slidably connected to the inner wall of the support frame 9. The placement frame 10 is reasonably designed to facilitate the placement of the glass mold. Side plates 11 are fixedly connected to both the front and rear ends of the top side of the placement frame 10, and the side plates 11 serve to protect and fix the glass mold. Sliding blocks 12 are slidably connected to both the front and rear ends of the placement frame 10. The sliding blocks 12 have a regular shape and can slide smoothly on the placement frame 10. A fixing rod 13 is slidably connected to the inner wall of the sliding block 12. The fixing rod 13 is made of a hard material with a smooth surface, ensuring the stable sliding of the sliding block 12. The top side of the fixing rod 13 is firmly fixed to the top side of the inner wall of the side plate 11. A spring 14 is sleeved on the outside of the fixing rod 13. The spring 14 has a certain elasticity and can play a buffering and protective role when fixing the glass mold.

[0037] A ring 15 is fixedly connected to the top side of the side plate 11, allowing for easy operation of the placement frame 10. A clamping plate 16 is slidably connected to the inner wall of the placement frame 10. The clamping plate 16 can be adjusted according to the size of the glass mold to ensure stable fixation within the placement frame 10. A mesh frame 17 is fixedly connected to the bottom of the inner wall of the placement frame 10. The mesh frame 17 prevents the glass mold from directly contacting the bottom of the cleaning tank 1 during cleaning, thus avoiding damage to the glass mold. Strip openings 18 are provided on both the left and right sides of the inner wall of the cleaning tank 1. The size and shape of the strip openings 18 allow the square plate 7 to slide smoothly within them. The outer side of the square plate 7 is slidably connected to the inside of the strip openings 18, ensuring stable movement of the square plate 7 within the cleaning tank 1.

[0038] Reference Figure 3 , Figure 6 and Figure 7The drive assembly has a drive wheel 19 fixedly connected to its left end. The drive wheel 19 has a moderate diameter and a smooth surface, enabling efficient power transmission. A belt 20 is fitted around the drive wheel 19, allowing stable power transmission between the drive wheel 19 and the driven wheel 29. A water outlet pipe 21 is fixedly connected to the bottom of the cleaning tank 1. The water outlet pipe 21 is made of robust material and can withstand the water pressure during the cleaning process. A valve is installed inside the water outlet pipe 21 to control the flow of wastewater. A filter box 22 is fixedly connected to the bottom of the water outlet pipe 21. The filter box 22 is designed to filter the cleaning water for recycling. A right-angle pipe is fixedly connected to the bottom of the filter box 22, and a connecting box 23 is fixedly connected to the right side of the filter box 22. The connecting box 23 serves to connect and support the internal components.

[0039] A flow guide plate 24 is fixedly connected to the left side of the inner wall of the filter box 22. The shape and angle of the flow guide plate 24 are carefully designed to guide the water flow smoothly into the filter box 22. A filter plate 25 is fixedly connected to the right side of the inner wall of the filter box 22. The filter plate 25 has good filtration performance and can effectively remove impurities from the water. A force-bearing plate 26 is fixedly connected to the side of the flow guide plate 24 and the filter plate 25. A support assembly for supporting the rotation of subsequent components is fixedly connected to the right side of the inner wall of the connecting box 23. The support assembly includes a support shaft 27, which can withstand the rotational pressure of the driven wheel 29. The right side of the support shaft 27 is fixedly connected to the right side of the inner wall of the connecting box 23 by a firm connection method to ensure the stability of the support shaft 27. An I-shaped column 28 is fixedly connected to the left side of the support shaft 27. The unique shape of the I-shaped column 28 can provide stable support for the driven wheel 29.

[0040] A driven wheel 29 is rotatably connected to the left end of the support assembly. The diameter of the driven wheel 29 matches that of the driving wheel 19, allowing it to rotate stably under the drive of the belt 20. An I-shaped column 28 is rotatably connected externally to the inside of the driven wheel 29, ensuring smooth rotation of the driven wheel 29. The driven wheel 29 is sleeved inside the belt 20, transmitting power between the belt 20 and the driving wheel 19. A connecting column 30 is fixedly connected to the left side of the driven wheel 29, transmitting power to it. A striking plate 31 is fixedly connected to the left side of the connecting column 30, striking subsequent components during rotation. A limiting frame 32 is fixedly connected to the bottom inner wall of the connecting box 23, restricting the movement range of the strip plate 33. The strip plate 33 is slidably connected to the inner wall of the limiting frame 32, allowing it to slide stably within the limiting frame 32. The outer side of the striking plate 31 contacts the outer side of the strip plate 33, ensuring that the striking plate 31 can effectively act on the strip plate 33;

[0041] A striking plate 34 is fixedly connected to the left side of the strip plate 33. The striking plate 34 is made of hard material and can strike the filter plate 25 under the action of the strip plate 33 to prevent the filter plate 25 from clogging. A second spring 35 is sleeved on the left end of the strip plate 33. The second spring 35 has a certain elasticity and can return the strip plate 33 to its original position after it moves. A limit plate is fixedly connected to the left end of the strip plate 33 to transmit the sliding force to the limit frame 32. The right side of the limit plate is fixedly connected to the left end of the second spring 35. A sliding plate 36 is fixedly connected to the right side of the strip plate 33. The surface of the sliding plate 36 is smooth and can slide smoothly within the limit frame 32. A triangular block 37 is fixedly connected to the top side of the sliding plate 36. The unique shape of the triangular block 37 can increase the stability of the sliding plate 36 to a certain extent. Support legs 38 are fixedly connected to the four corners of the bottom side of the cleaning tank 1. The support legs 38 can provide stable support for the cleaning tank 1. A base plate 39 is fixedly connected to the bottom side of multiple support legs 38. The base plate 39 has a large area, which can increase the stability of the cleaning device. A cover plate 40 is rotatably connected to the top of the cleaning tank 1, which can prevent the cleaning medium from splashing out during the cleaning process. A water spray pipe is fixedly connected inside the cover plate 40 to provide water for cleaning.

[0042] Working principle: First, open the cover plate 40, then hook the ring 15 and drive the side plate 11 to take out the placement frame 10. Then, pull the handle at the top of the clamping plate 16 to drive the two sliding blocks 12 to slide. As the sliding blocks 12 slide, they will compress the spring 14, allowing the spring 14 to store elastic potential energy. Then, when the ring 15 can no longer slide, the glass mold can be placed inside the net frame 17. Then, release the pulling force on the clamping plate 16, and the clamping plate 16 will be reset by the force of the spring 14 to lock the glass mold. Then, put the placement frame 10 back into the support frame 9, close the cover plate 40, and use the nozzle inside the cover plate 40 to rinse the inside of the cleaning tank 1. Then, start the motor 3, and the driving force of the motor 3 is transmitted to the circular plate 5 connected to it through the rotating shaft 4. The rotation of the circular plate 5 drives the rotating plate 6 to move. The rotating plate 6 is connected to the square plate 7 by a pin, allowing the square plate 7 to slide up and down within the strip openings 18 on both sides of the inner wall of the cleaning tank 1. The support frame 9, connected to the square plate 7 by the connecting plate 8, moves up and down accordingly. The placement frame 10 inside the support frame 9 is used to place the glass mold, thereby realizing the up-and-down reciprocating movement of the glass mold within the cleaning tank 1, allowing the cleaning medium to fully contact all parts of the glass mold and achieve the purpose of comprehensive cleaning.

[0043] After cleaning, open the valve on the outlet pipe 21 so that the sewage can flow through the outlet pipe 21 into the interior of the filter box 22, and then fall into the interior of the filter plate 25 through the guide plate 24. At the same time, the rotating shaft 4 connected to the drive end of the motor 3 also drives the drive wheel 19 to rotate, and the drive wheel 19 drives the driven wheel 29 to rotate through the belt 20. The striking plate 31 connected to the connecting post 30 on the left side of the driven wheel 29 rotates with the driven wheel 29. When the triangular block 37 of the striking plate 31 contacts, the design of the inclined surface of the triangular block 37 allows it to slide, which in turn drives the sliding plate 36 to slide. The sliding plate 36 then drives the strip plate 33 to slide and the limiting plate to slide, compressing the second spring 35. This allows the second spring 35 to store elastic potential energy, which in turn gives the strip plate 33 a force in the opposite direction. At this time, the striking plate 34 can slide and reset to strike the force plate 26, causing the impurities on the filter plate 25 to be vibrated and slide to the left. The filtered water then flows out through the right-angle pipe at the bottom and is recycled, thereby improving the utilization rate of resources.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cleaning device for glass molds, comprising a cleaning tank (1), characterized in that: A protective box (2) is fixedly connected to the right side of the cleaning box (1). A drive assembly for driving subsequent components is fixedly connected to the right side of the inner wall of the protective box (2). Circular plates (5) are rotatably connected to both the left and right ends of the cleaning box (1). Rotating plates (6) are rotatably connected to the adjacent sides of the two circular plates (5) via pins. Square plates (7) are rotatably connected to the bottom ends of the two rotating plates (6) via pins. Connecting plates (8) are fixedly connected to the adjacent sides of the two square plates (7). Supports are fixedly connected to the bottom sides of the two connecting plates (8). The support frame (9) has a slidably connected inner wall to a placement frame (10). The top and front ends of the placement frame (10) are fixedly connected to side plates (11). The front and rear ends of the placement frame (10) are slidably connected to sliding blocks (12). The inner wall of the sliding block (12) is slidably connected to a fixing rod (13). The outside of the fixing rod (13) is fitted with a spring (14). The inner wall of the placement frame (10) is slidably connected to a clamping plate (16). The bottom end of the inner wall of the placement frame (10) is fixedly connected to a net frame (17).

2. The glass mold cleaning device according to claim 1, characterized in that: A drive wheel (19) is fixedly connected to the left end of the drive assembly. A belt (20) is fitted around the drive wheel (19). A water outlet pipe (21) is fixedly connected to the bottom end of the cleaning tank (1). A valve is installed inside the water outlet pipe (21). A filter box (22) is fixedly connected to the bottom end of the water outlet pipe (21). A right-angle pipe is fixedly connected to the bottom end of the filter box (22). A connecting box (23) is fixedly connected to the right side of the filter box (22). A diversion plate (24) is fixedly connected to the left side of the inner wall of the filter box (22). A filter plate (25) is fixedly connected to the right side of the inner wall of the filter box (22). A force-bearing plate (26) is fixedly connected to the side of the diversion plate (24) and the filter plate (25). A support assembly for supporting the rotation of subsequent components is fixedly connected to the right side of the inner wall of the connecting box (23). A driven wheel (29) is rotatably connected to the left end of the support assembly. A connecting column (30) is fixedly connected to the left side of the driven wheel (29). A striking plate (31) is fixedly connected to the left side of the connecting column (30). A limit frame (32) is fixedly connected to the bottom side of the inner wall of the connecting box (23). A strip plate (33) is slidably connected to the inner wall of the limit frame (32). A striking plate (34) is fixedly connected to the left side of the strip plate (33). A spring (35) is sleeved on the left end of the strip plate (33). A sliding plate (36) is fixedly connected to the right side of the strip plate (33). A triangular block (37) is fixedly connected to the top side of the sliding plate (36).

3. The glass mold cleaning device according to claim 1, characterized in that: The drive assembly includes a motor (3), the right side of which is fixedly connected to the right side of the inner wall of the protective box (2), and the drive end of the motor (3) is fixedly connected to a rotating shaft (4).

4. The glass mold cleaning device according to claim 3, characterized in that: The left side of the rotating shaft (4) is fixedly connected to the right side of one of the circular plates (5), and the inner wall of the cleaning box (1) is provided with strip-shaped openings (18) on both the left and right sides.

5. A glass mold cleaning device according to claim 4, characterized in that: The square plate (7) is slidably connected to the inside of the strip opening (18) on the outside. A ring (15) is fixedly connected to the top side of the side plate (11). The top side of the fixing rod (13) is fixedly connected to the top side of the inner wall of the side plate (11).

6. The glass mold cleaning device according to claim 2, characterized in that: The support assembly includes a support shaft (27), the right side of which is fixedly connected to the right side of the inner wall of the connecting box (23), and the left side of which is fixedly connected to an I-shaped column (28).

7. A glass mold cleaning device according to claim 6, characterized in that: The external of the I-shaped column (28) is rotatably connected to the inside of the driven wheel (29), the external of the driven wheel (29) is sleeved inside the belt (20), the external of the striking plate (31) is in contact with the external of the strip plate (33), the left end of the strip plate (33) is fixedly connected to a limiting plate, and the right side of the limiting plate is fixedly connected to the left end of the second spring (35).

8. A glass mold cleaning device according to claim 1, characterized in that: The bottom of the cleaning tank (1) is fixedly connected to four corners of the bottom with support legs (38), and the bottom of the multiple support legs (38) is fixedly connected to a base plate (39). The top of the cleaning tank (1) is rotatably connected to a cover plate (40), and a water spray pipe is fixedly connected inside the cover plate (40).