Glass lining multi-layer paddle stirrer

Abstract

The utility model discloses a glass lining multilayer paddle stirrer which comprises a stirring tank, a stirring device is arranged in the stirring tank, a protection device is arranged above the stirring tank, the protection device comprises a coupling sleeve, a coupling rod, a guide sleeve, a control sleeve, a coupling block, a coupling groove, a guide ball, a guide groove, a sliding block, a coupling spring, a receding groove and a sliding groove, the coupling block is clamped in the coupling groove, and the control sleeve is arranged in the control sleeve. The coupling groove is formed in the outer side of the coupling rod, the guide ball is arranged on the outer side of the control sleeve, the guide groove is spirally formed in the inner side of the control sleeve, one side of the sliding block is slidably located in the sliding groove, the coupling spring is connected with the inner wall of the receding groove and one side of the coupling block, the receding groove is formed in the sliding block, and the sliding groove is obliquely formed in the coupling sleeve. A locking mechanism is installed on the outer side of the coupling sleeve, the locking mechanism comprises a lock sleeve, a connecting plate, a moving rod, a moving block, a moving groove and an annular groove, and the problems that a traditional stirrer is poor in stirring effect, lack of protection and low in stability are solved.

Description

Technical Field

[0001] This utility model relates to the field of glass-lined agitators, and more specifically, to a multi-layer glass-lined paddle agitator. Background Technology

[0002] In the field of chemical production, glass-lined multi-layer paddle mixers are key production equipment. Their mixing effect and safety performance directly affect product quality and equipment life. However, the mixers currently on the market still have many technical defects in practical applications. These problems not only affect the mixing effect, but also reduce the reliability and safety of the equipment.

[0003] The primary problem is the unsatisfactory mixing effect. Existing agitators have significant defects: First, the single-shaft agitator structure design is too simple and cannot meet the requirements of complex processes; second, a single agitation method easily forms stable vortices in the tank, affecting material mixing; third, the formation of vortices can lead to dead zones in the agitation, resulting in uneven mixing; in addition, low agitation efficiency will prolong the production cycle and increase energy consumption. This structural design deficiency not only affects product quality but may also lead to decreased production efficiency and energy waste.

[0004] More prominently, there is a lack of protective mechanisms. Existing agitators have obvious problems: First, they lack effective overload protection devices and cannot respond to emergencies in a timely manner; second, the motor and agitation components are easily damaged by overload, increasing maintenance costs; third, the protection parameters cannot be adjusted according to the characteristics of different materials, limiting the applicability of the equipment; in addition, the lack of protective mechanisms may also bring safety hazards. This design deficiency not only affects the service life of the equipment, but may also bring significant safety risks and economic losses.

[0005] Most critically, there is insufficient stability in the adjustment mechanism. Some devices with protective adjustment functions have obvious defects: First, the structural design of the adjustment mechanism is too simple and the stability is poor; second, the vibration generated by high-speed operation can easily cause the adjustment structure to loosen, and the structural displacement will affect the preset trigger parameters and reduce the protection effect; in addition, the unstable adjustment mechanism may also lead to false triggering or failure. This structural design deficiency not only affects the reliability of the equipment, but may also lead to production interruption and safety accidents. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] In view of the problems existing in the prior art, this utility model provides a glass-lined multi-layer paddle mixer to solve the technical problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, this utility model provides the following technical solution: a multi-layered glass-lined paddle mixer, comprising a mixing tank, a mixing device installed inside the mixing tank, and a protective device above the mixing tank. The protective device includes a coupling sleeve, a coupling rod, a guide sleeve, a control sleeve, a coupling block, a coupling groove, a guide ball, a guide groove, a sliding block, a coupling spring, a clearance groove, and a sliding groove. The coupling sleeve is fitted onto the outside of the coupling rod, the control sleeve is rotatably mounted on one end of the coupling sleeve, the coupling block is engaged in the coupling groove, the coupling groove is located on the outside of the coupling rod, the guide ball is fixedly located on the outside of the control sleeve, and the guide groove is spirally located on the inside of the control sleeve. The sliding block slides in the sliding groove on one side. The two ends of the coupling spring are connected to the inner wall of the clearance groove and one side of the coupling block, respectively. The clearance groove is opened in the sliding block. The sliding groove is opened at an angle in the coupling sleeve. A locking mechanism is installed on the outside of the coupling sleeve. The locking mechanism includes a locking sleeve, a connecting plate, a moving rod, a moving block, a moving groove, and an annular groove. The locking sleeve is set on one side of the moving rod. The connecting plate is fixedly set on the outside of the coupling sleeve. The moving rod is slidably set on the connecting plate. The moving block is fixedly connected to one end of the moving rod and is inserted into the moving groove. The moving groove is opened in the annular groove, which is opened on one side of the control sleeve.

[0010] The present invention is further configured such that a tank cover is detachably provided at the top of the mixing tank, a feed pipe is connected to the tank cover, a discharge pipe is connected to the bottom of the mixing tank, a mounting bracket is detachably provided on one side of the mixing tank, and a support is detachably installed on one side of the mounting bracket.

[0011] The present invention is further configured such that the stirring device includes a first driven wheel, a second driven wheel, a driving wheel, a motor, a first stirring shaft, a second stirring shaft, a stirring frame, and blades. The first driven wheel is detachably installed on the outside of the first stirring shaft, the second driven wheel is detachably installed on the outside of the stirring shaft, the second stirring shaft is movably sleeved on the outside of the first stirring shaft, the driving wheel is installed on the outside of the coupling rod, the output end of the motor is connected to the coupling sleeve, the driving wheel meshes with the first driven wheel and the second driven wheel respectively, the stirring frame is fixedly installed on the lower side of the first stirring shaft, and the blades are respectively disposed on the outside of the first stirring shaft and the inside of the stirring frame.

[0012] The present invention is further provided that a scraper is fixedly provided on the outside of the stirring rack.

[0013] The present invention is further configured such that a movable spring is movably sleeved on the outside of the movable rod, and the two ends of the movable spring are respectively connected to the connecting plate and the movable block.

[0014] The present invention is further configured such that a connecting block is fixedly provided on one side of the sliding block, and a connecting groove is provided on one side of the guide sleeve. The connecting block slides in the connecting groove, and the cooperation between the connecting block and the connecting groove enables precise control of the position of the sliding block.

[0015] The present invention is further configured such that the locking sleeve is movably sleeved on the outside of the coupling sleeve by means of a thread.

[0016] The present invention is further configured such that multiple moving rods, moving springs, and moving slots are provided, and multi-point locking improves the stability of the equipment.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a glass-lined multi-layer paddle mixer, which has the following beneficial effects:

[0019] 1. The mixing device constructs a two-way mixing system through the precise coordination of the driven wheel, driving wheel, motor, first mixing shaft, second mixing shaft, mixing frame, and blades. The meshing transmission between the driving wheel and the first and second driven wheels enables the opposing rotation of the two mixing shafts. The coordinated cooperation between the mixing frame and blades provides multi-level mixing. The scraper ensures thorough mixing of materials. This design not only effectively avoids the formation of stable vortices in the tank through opposing rotation, but also improves the mixing uniformity through multi-level mixing. At the same time, the scraper enhances the mixing effect, effectively solving the problem of unsatisfactory mixing effect in traditional equipment.

[0020] 2. The protective device, through the synergistic action of the coupling sleeve, coupling rod, guide sleeve, control sleeve, coupling block, coupling groove, guide ball, guide groove, sliding block, coupling spring, clearance groove, and sliding groove, constructs a flexible protection system. The rounded corner design of the coupling block and coupling groove provides a smooth disengagement mechanism, the cooperation between the clearance groove and the coupling spring achieves buffer protection, and the inclined design of the sliding groove ensures adjustment flexibility. This structure not only effectively prevents equipment overload damage through the disengagement mechanism, but also achieves stable protection through spring buffering. At the same time, the inclined sliding design ensures the adjustability of the triggering mechanism, effectively solving the problem of the lack of protective mechanisms in traditional equipment.

[0021] 3. The locking mechanism, through the precise cooperation of the locking sleeve, connecting plate, moving rod, moving block, moving groove and annular groove, constructs a reliable fixing system. The setting of multiple sets of moving rods and moving springs provides multi-point locking, and the cooperation of moving block and moving groove realizes position fixation. This design not only provides a reliable fixing effect through multi-point locking, but also realizes automatic reset through spring reset. At the same time, the setting of rounded corner structure ensures smooth cooperation between components, effectively solving the problem of insufficient adjustment stability in traditional equipment. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of a glass-lined multi-layer paddle mixer according to the present invention.

[0023] Figure 2 This is a schematic diagram of the structure of the first stirring shaft and the second stirring shaft in this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the motor and drive wheel in this utility model;

[0025] Figure 4 This is a cross-sectional structural diagram of the protective device and locking mechanism in this utility model;

[0026] Figure 5 This is a cross-sectional view of the coupling sleeve portion of this utility model.

[0027] In the diagram: 1. Mixing tank; 2. Coupling sleeve; 3. Coupling rod; 4. Guide sleeve; 5. Control sleeve; 6. Coupling block; 7. Coupling groove; 8. Guide ball; 9. Guide groove; 10. Sliding block; 11. Coupling spring; 12. Relief groove; 13. Sliding groove; 14. Locking sleeve; 15. Connecting plate; 16. Moving rod; 17. Moving block; 18. Moving groove; 19. Annular groove; 20. Tank cover; 21. Feed pipe; 22. Discharge pipe; 23. Mounting frame; 24. Bracket; 25. First driven wheel; 26. Second driven wheel; 27. Driving wheel; 28. Motor; 29. ​​First stirring shaft; 30. Second stirring shaft; 31. Mixing frame; 32. Blade; 33. Scraper; 34. Moving spring; 35. Connecting block; 36. Connecting groove. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0030] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0031] Please see Figures 1-5A multi-layered glass-lined paddle mixer includes a mixing tank 1, a mixing device installed inside the mixing tank 1, and a protective device above the mixing tank 1. The protective device includes a coupling sleeve 2, a coupling rod 3, a guide sleeve 4, a control sleeve 5, a coupling block 6, a coupling groove 7, a guide ball 8, a guide groove 9, a sliding block 10, a coupling spring 11, a clearance groove 12, and a sliding groove 13. The coupling sleeve 2 is fitted onto the outside of the coupling rod 3. The control sleeve 5 is rotatably installed at one end of the coupling sleeve 2. The coupling block 6 is inserted into the coupling groove 7, which is located on the outside of the coupling rod 3. The guide ball 8 is fixedly installed on the outside of the control sleeve 5. The guide groove 9 is spirally located on the inside of the control sleeve 5. One side of the sliding block 10 slides within the sliding groove 13. The two ends of the coupling spring 11 are connected to the inner wall of the relief groove 12 and one side of the coupling block 6, respectively. The relief groove 12 is opened in the sliding block 10. The sliding groove 13 is opened at an angle in the coupling sleeve 2. A locking mechanism is installed on the outside of the coupling sleeve 2. The locking mechanism includes a locking sleeve 14, a connecting plate 15, a moving rod 16, a moving block 17, a moving groove 18, and an annular groove 19. The locking sleeve 14 is located on one side of the moving rod 16. The connecting plate 15 is fixedly located on the outside of the coupling sleeve 2. The moving rod 16 is slidably located on the connecting plate 15. The moving block 17 is fixedly connected to one end of the moving rod 16 and is inserted into the moving groove 18. The moving groove 18 is opened in the annular groove 19, which is located on one side of the control sleeve 5.

[0032] The mixing tank 1 is detachably equipped with a tank cover 20 at the top, and a feed pipe 21 is connected to the tank cover 20. The mixing tank 1 is connected with a discharge pipe 22 at the bottom. A mounting bracket 23 is detachably equipped on one side of the mixing tank 1, and a support 24 is detachably installed on one side of the mounting bracket 23.

[0033] The stirring device includes a first driven wheel 25, a second driven wheel 26, a driving wheel 27, a motor 28, a first stirring shaft 29, a second stirring shaft 30, a stirring frame 31, and blades 32. The first driven wheel 25 is detachably installed on the outside of the first stirring shaft 29, the second driven wheel 26 is detachably installed on the outside of the stirring shaft, the second stirring shaft 30 is movably sleeved on the outside of the first stirring shaft 29, the driving wheel 27 is installed on the outside of the coupling rod 3, the output end of the motor 28 is connected to the coupling sleeve 2, the driving wheel 27 meshes with the first driven wheel 25 and the second driven wheel 26 respectively, the stirring frame 31 is fixedly installed on the lower side of the first stirring shaft 29, and the blades 32 are respectively arranged on the outside of the first stirring shaft 29 and the inside of the stirring frame 31.

[0034] A scraper 33 is fixedly provided on the outside of the mixing rack 31.

[0035] In this embodiment, when the equipment is needed, the material is first conveyed into the mixing tank 1 through the feed pipe 21. Then, the motor 28 is turned on, and the motor 28 drives the coupling sleeve 2 connected to the output end to rotate. Then, the coupling block 6 is driven to rotate through the sliding groove 13 and the sliding block 10. Then, the coupling rod 3 is driven to rotate through the cooperation of the coupling block 6 and the coupling groove 7, thereby driving the driving wheel 27 to rotate. Then, the first driven wheel 25 and the second driven wheel 26 rotate forward and reverse respectively, thereby causing the first stirring shaft 29 and the second stirring shaft 30 to rotate forward and reverse, so that they rotate in opposite directions. Then, the first stirring shaft 29 drives the outer blades 32 to rotate, and the second stirring shaft 30 drives the inner blades 32 and the outer scraper 33 of the stirring frame 31 to rotate in opposite directions through the stirring frame 31, thereby avoiding the formation of a stable vortex in the mixing tank 1 and ensuring The mixture is thoroughly mixed, increasing the mixing speed. After mixing, the mixed material is extracted and transported to the next process via the conveying device located at the bottom of the discharge pipe 22 at the bottom of the mixing tank 1. When the blade 32 encounters significant resistance, it is transmitted to the first driven wheel 25 or the second driven wheel 26 via the first mixing shaft 29 or the second mixing shaft 30, and then to the coupling rod 3 via the driving wheel 27, preventing the coupling rod 3 from rotating. The inner wall of the coupling groove 7 then presses against both sides of the coupling block 6. Due to the rounded corner design at the edge of the inner wall of the coupling groove 7 and both sides of the coupling block 6, the coupling block 6 slides out of the coupling groove 7 and gradually slides into the clearance groove 12 opened inside the sliding block 10, pressing against the coupling spring 11. This causes the motor 28 to drive the coupling sleeve 2 and other components to idle, effectively preventing the breakage of the mixing shaft and the blade 32, and effectively preventing overload damage to the motor 28.

[0036] Please see Figures 3-5 As a further implementation of the overall equipment: a movable spring 34 is movably sleeved on the outside of the movable rod 16, and the two ends of the movable spring 34 are respectively connected to the connecting plate 15 and the movable block 17.

[0037] A connecting block 35 is fixedly provided on one side of the sliding block 10, and a connecting groove 36 is provided on one side of the guide sleeve 4, with the connecting block 35 sliding in the connecting groove 36.

[0038] The locking sleeve 14 is movably sleeved on the outside of the coupling sleeve 2 via a thread.

[0039] Multiple movable rods 16, movable springs 34, and movable slots 18 are provided.

[0040] More specifically, when the triggering mechanism needs to be adjusted according to material characteristics or processing requirements, firstly, the locking sleeve 14 is rotated forward, causing it to move along the threaded section on the outer wall of the coupling sleeve 2, so that the locking sleeve 14 is no longer limiting one end of the moving rod 16. Then, the control sleeve 5 is rotated forward, causing the control sleeve 5 to drive the annular groove 19 and the moving groove 18 on one side to rotate. Then, the inner wall of the moving groove 18 presses against the moving block 17. Due to the rounded corner design at the edge of the inner wall of the moving groove 18 and the end of the moving block 17, the moving block 17 slides out of the moving groove 18 and into the annular groove 19. The moving block 17 will drive the moving rod 16 to slide along the connecting plate 15. Then, the moving block 17 and the connecting plate 15 will cooperate to compress the moving spring 34. At the same time, the control sleeve 5 will drive the inner guide groove 9 to rotate in the forward direction. Due to the cooperation of the connecting block 35 and the connecting groove 36, the guide sleeve 4 and the guide ball 8 will not rotate. Then, the guide ball 8 will slide along the guide groove 9, and the guide ball 8 will drive the guide sleeve 4 to slide to one end, so that the guide sleeve 4 drives the sliding block 10 to slide through the connecting groove 36 and the connecting block 35. Then, the sliding block 10 will slide along the sliding groove 13, and the sliding block 10 will carry... The moving coupling block 6, the coupling spring 11, and the inner clearance groove 12 slide together. Due to the inclined structure design of the sliding groove 13, when the sliding block 10 slides along the sliding groove 13, it moves outward synchronously, causing the sliding block 10 to drive the connecting block 35 to slide along the connecting groove 36. The distance between the inner wall of the clearance groove 12 and the coupling block 6 increases, causing the coupling spring 11 to reset to a certain extent. This reduces the thrust exerted by the coupling spring 11 on the coupling block 6, making the protective device easier to trigger. When it is necessary to adjust the protective device to a state that is less likely to be triggered, the reverse rotation control... The control sleeve 5 can be operated in reverse order of the above steps. After the triggering mechanism is properly adjusted, stop rotating the control sleeve 5 and make the moving spring 34 push the moving block 17 to slide into the corresponding moving groove 18. At the same time, the moving block 17 drives the moving rod 16 to slide and reset along the connecting plate 15. Then rotate the locking sleeve 14 in the opposite direction so that the locking sleeve 14 resets along the thread line on the outer wall of the coupling sleeve 2 and limits one end of the moving rod 16, so that the moving rod 16 cannot move. Then the moving block 17 and the moving groove 18 cooperate to lock the control sleeve 5, prevent the control sleeve 5 from rotating, and thus ensure the stable use of the equipment.

[0041] In summary, when the equipment is in use or operation: First, the material is fed into the mixing tank 1 through the feed pipe 21. Then, the motor 28 is turned on, driving the coupling sleeve 2 connected to the output end to rotate. Then, the coupling block 6 rotates through the sliding groove 13 and the sliding block 10. Then, the coupling rod 3 rotates through the cooperation of the coupling block 6 and the coupling groove 7, thereby driving the drive wheel 27 to rotate. This causes the first driven wheel 25 and the second driven wheel 26 to rotate forward and reverse respectively, thus causing the first stirring shaft 29 and the second stirring shaft 30 to rotate forward and reverse, making them rotate in opposite directions. Then, the first stirring shaft 29 drives the outer blades 32 to rotate, and the second stirring shaft 30 drives the inner blades 32 and the outer scraper 33 of the stirring frame 31 to rotate in opposite directions through the stirring frame 31, thereby preventing the formation of a stable mixture inside the mixing tank 1. The vortex ensures uniform mixing and increases the mixing speed. After mixing, the mixed material is extracted and transported to the next process through the conveying device at the bottom of the discharge pipe 22 at the bottom of the mixing tank 1. When the blade 32 encounters significant resistance, it is transmitted to the first driven wheel 25 or the second driven wheel 26 through the first stirring shaft 29 or the second stirring shaft 30, and then to the coupling rod 3 through the driving wheel 27, preventing the coupling rod 3 from rotating. Then, the inner wall of the coupling groove 7 presses against both sides of the coupling block 6. Due to the rounded corner design at the edge of the inner wall of the coupling groove 7 and both sides of the coupling block 6, the coupling block 6 slides out of the coupling groove 7 and gradually slides into the relief groove 12 opened inside the sliding block 10 and presses against the coupling spring 11, causing the motor 28 to drive the coupling sleeve 2 and other components to idle, effectively preventing the breakage of the stirring shaft and the blade 32, and effectively preventing overload damage to the motor 28.

[0042] When the triggering mechanism needs to be adjusted according to material characteristics or processing requirements, firstly, rotate the locking sleeve 14 in the forward direction, causing it to move along the threaded surface of the coupling sleeve 2, so that the locking sleeve 14 is no longer limiting one end of the moving rod 16. Then, rotate the control sleeve 5 in the forward direction, causing the annular groove 19 and the moving groove 18 on one side to rotate. Then, the inner wall of the moving groove 18 presses against the moving block 17. Due to the rounded corner design at the edge of the inner wall of the moving groove 18 and the end of the moving block 17, the moving block 17 slides out of the moving groove 18 and into the annular groove 19 to slide, and the moving... Block 17 will cause the moving rod 16 to slide along the connecting plate 15. Then, the moving block 17 will cooperate with the connecting plate 15 to compress the moving spring 34. At the same time, the control sleeve 5 will cause the inner guide groove 9 to rotate in the forward direction. Due to the cooperation of the connecting block 35 and the connecting groove 36, the guide sleeve 4 and the guide ball 8 will not rotate. Then, the guide ball 8 will slide along the guide groove 9, and the guide ball 8 will cause the guide sleeve 4 to slide to one end. This will cause the guide sleeve 4 to drive the sliding block 10 to slide through the connecting groove 36 and the connecting block 35. Then, the sliding block 10 will slide along the sliding groove 13, and the sliding block 10 will drive the coupling. Block 6, coupling spring 11, and the inner clearance groove 12 slide together. Due to the inclined structure design of the sliding groove 13, when the sliding block 10 slides along the sliding groove 13, it will move outward synchronously, causing the sliding block 10 to drive the connecting block 35 to slide along the connecting groove 36. The distance between the inner wall of the clearance groove 12 and the coupling block 6 increases, causing the coupling spring 11 to reset to a certain extent. This reduces the thrust exerted by the coupling spring 11 on the coupling block 6, making the protective device easier to trigger. When it is necessary to adjust the protective device to a state that is less likely to be triggered, the control sleeve is rotated in the opposite direction. 5. Perform the reverse operation as described above. After the triggering mechanism is properly adjusted, stop rotating the control sleeve 5 and allow the moving spring 34 to push the moving block 17 to slide into the corresponding moving slot 18. At the same time, the moving block 17 drives the moving rod 16 to slide and reset along the connecting plate 15. Then, rotate the locking sleeve 14 in the reverse direction so that the locking sleeve 14 resets along the thread on the outer wall of the coupling sleeve 2 and limits one end of the moving rod 16, making the moving rod 16 unable to move. Then, the moving block 17 and the moving slot 18 cooperate to lock the control sleeve 5, preventing the control sleeve 5 from rotating, thereby ensuring the stable use of the equipment.

[0043] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A glass-lined multi-layer paddle mixer, comprising a mixing tank (1), characterized in that: A stirring device is installed inside the stirring tank (1). A protective device is provided above the stirring tank (1). The protective device includes a coupling sleeve (2), a coupling rod (3), a guide sleeve (4), a control sleeve (5), a coupling block (6), a coupling groove (7), a guide ball (8), a guide groove (9), a sliding block (10), a coupling spring (11), a clearance groove (12), and a sliding groove (13). The coupling block (6) is inserted into the coupling groove (7). The coupling groove (7) is opened on the outside of the coupling rod (3). The guide ball (8) is set on the outside of the control sleeve (5). The guide groove (9) is spirally opened on the inside of the control sleeve (5). The sliding block (10) slides on one side in the sliding groove (13). In the coupling spring (11), the inner wall of the relief groove (12) and one side of the coupling block (6) are connected. The relief groove (12) is opened in the sliding block (10). The sliding groove (13) is opened in the coupling sleeve (2) at an angle. A locking mechanism is installed on the outside of the coupling sleeve (2). The locking mechanism includes a locking sleeve (14), a connecting plate (15), a moving rod (16), a moving block (17), a moving groove (18) and an annular groove (19). The connecting plate (15) is set on the outside of the coupling sleeve (2). The moving block (17) is connected to one end of the moving rod (16). The moving groove (18) is opened in the annular groove (19). The annular groove (19) is opened on one side of the control sleeve (5).

2. The glass-lined multi-layer paddle mixer according to claim 1, characterized in that: The top of the mixing tank (1) is detachably provided with a tank cover (20), and a feed pipe (21) is connected to the tank cover (20). The bottom of the mixing tank (1) is connected with a discharge pipe (22). A mounting bracket (23) is detachably provided on one side of the mixing tank (1), and a bracket (24) is detachably installed on one side of the mounting bracket (23).

3. The glass-lined multi-layer paddle mixer according to claim 2, characterized in that: The stirring device includes a first driven wheel (25), a second driven wheel (26), a driving wheel (27), a motor (28), a first stirring shaft (29), a second stirring shaft (30), a stirring frame (31), and blades (32). The first driven wheel (25) is detachably installed on the outside of the first stirring shaft (29), the second driven wheel (26) is detachably installed on the outside of the stirring shaft, the second stirring shaft (30) is movably sleeved on the outside of the first stirring shaft (29), the driving wheel (27) is installed on the outside of the coupling rod (3), the output end of the motor (28) is connected to the coupling sleeve (2), the driving wheel (27) meshes with the first driven wheel (25) and the second driven wheel (26) respectively, the stirring frame (31) is fixedly installed on the lower side of the first stirring shaft (29), and the blades (32) are respectively arranged on the outside of the first stirring shaft (29) and the inside of the stirring frame (31).

4. The glass-lined multi-layer paddle mixer according to claim 3, characterized in that: A scraper (33) is fixedly provided on the outside of the stirring rack (31).

5. A glass-lined multi-layer paddle mixer according to any one of claims 1-4, characterized in that: The movable rod (16) is movably sleeved with a movable spring (34), and the two ends of the movable spring (34) are respectively connected to the connecting plate (15) and the movable block (17).

6. A glass-lined multi-layer paddle mixer according to claim 5, characterized in that: A connecting block (35) is fixedly provided on one side of the sliding block (10), and a connecting groove (36) is provided on one side of the guide sleeve (4). The connecting block (35) slides in the connecting groove (36).

7. A glass-lined multi-layer paddle mixer according to claim 6, characterized in that: The locking sleeve (14) is threadedly fitted onto the outside of the coupling sleeve (2).

8. A glass-lined multi-layer paddle mixer according to claim 7, characterized in that: Multiple movable rods (16), movable springs (34), and movable slots (18) are provided.

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