An improved device for wear resistance and leakage prevention of the mixing tank of a mixer

Abstract

The present invention discloses an improved device for wear resistance and leakage prevention of a mixing tank of a mixer, which includes a first mixing tank, a motor and a mixing assembly, and the motor is arranged directly above the first mixing tank. Electric telescopic rods are fixedly connected to the front side and the rear side of the outer surface of the first mixing tank, and the telescopic ends of the two electric telescopic rods are fixedly connected with L-shaped plates, and the L-shaped plates are arranged inside the first mixing tank. A receiving plate is fixedly connected to the opposite surfaces of the two L-shaped plates, and a blocking block is fixedly connected to the bottom of the inner cavity of the first mixing tank. The present invention relates to the technical field of mixing equipment. With the improved device for wear resistance and leakage prevention of the mixing tank of the mixer, by adding a second mixing tank inside the first mixing tank, it is convenient to replace the second mixing tank after it is worn, thereby avoiding the problem that the inner wall of the traditional first mixing tank is often in contact with the material, resulting in the first mixing tank being easily worn through and the whole device being easily scrapped.

Description

Technical Field

[0001] The present invention relates to the technical field of stirring equipment, and specifically relates to an improved device for wear resistance and leakage prevention of a mixing tank of a mixer. Background Art

[0002] The mixing tank of a mixer is generally used for mixing and stirring materials. During long-term use of the existing mixing tank of a mixer, its inner wall will be worn due to the friction of the materials. After long-term continuous friction and wear, the wall of the mixing tank is easily worn through, resulting in leakage points in the entire mixing tank and it cannot be used continuously. In order to avoid the problem that the overall equipment is scrapped due to serious wear and leakage points in the mixing tank, it is necessary to improve it.

[0003] In view of this, Chinese Patent No. 202121576808.6 discloses a wear-resistant mixing tank, which includes an outer tank body and an inner lining bladder. The top of the outer tank body is open and extends outward to form mounting ear plates, and the top of the inner lining bladder is open and extends outward to form positioning ear plates that are pressed parallel on the mounting ear plates; a plurality of pairs of positioning grooves are provided on the outer tank body, and clamping grooves corresponding to each positioning groove are provided on the side wall of the inner lining bladder, and positioning components for pressing the inner lining bladder tightly are respectively installed in each positioning groove. The utility model detachably installs an inner lining bladder made of steel-lined po material in the outer tank body, which has good wear resistance; an outer tank body with a larger inner diameter is set to realize the rapid embedding of the inner lining bladder, and the installation is convenient; the inner lining bladder is pressed tightly by the positioning components. On the one hand, it buffers and protects the inner lining bladder during stirring, and on the other hand, it ensures the stability of the inner lining bladder, facilitates the rapid disassembly and assembly of the inner lining bladder, and is convenient for replacement. There is no need to discard the entire mixing tank, saving costs.

[0004] Although the wear resistance and leakage prevention performance of the mixing tank can be improved by adding an inner lining bladder, this improvement method still has deficiencies. For example, it is inconvenient for workers to take out the inner lining bladder from the inside of the mixing tank when it needs to be replaced, and there is a lack of active prompting facilities in the mixing tank, resulting in the problem that the staff cannot find and replace the inner lining bladder in time when cracks appear due to wear. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides an improved device for wear resistance and leakage prevention of a mixing tank of a mixer, which solves the problem that the wall of the mixing tank of the mixer is worn through due to long-term friction of materials, resulting in easy scrapping of the overall equipment.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A wear-resistant and leak-proof improvement device for the mixing tank of a mixer, including a first mixing tank, a motor, and a mixing component, and the motor is arranged directly above the first mixing tank. Electric telescopic rods are fixedly connected to the front side and the rear side of the outer surface of the first mixing tank. The telescopic ends of the two electric telescopic rods are fixedly connected with L-shaped plates, and the L-shaped plates are arranged inside the first mixing tank. A receiving plate is fixedly connected to the opposite side of the two L-shaped plates. A blocking block is fixedly connected to the bottom of the inner cavity of the first mixing tank. A second mixing tank is sleeved outside the blocking block and between the two receiving plates. The front side and the rear side of the outer surface of the second mixing tank are fixedly connected with latching frames adapted to the receiving plates. Fixing mechanisms adapted to the second mixing tank are arranged at the bottom of the opposite side of the two L-shaped plates and below the receiving plates. Cross plates are fixedly connected to the left and right sides of the top of the first mixing tank. A first sliding sleeve and a second sliding sleeve are respectively fixedly connected to the inner part of the first mixing tank on the opposite sides of the two cross plates. Floating rods are slidably connected inside the first sliding sleeve and the second sliding sleeve. An annular floating block adapted to the outer surface of the second mixing tank is fixedly connected to the bottom of the two floating rods together. A first trigger button is fixedly connected to the rear side of the inner cavity of the first sliding sleeve. Limit mechanisms adapted to the motor are arranged on the top of the two cross plates. Discharge pipes are communicated with both sides of the bottom of the first mixing tank. A valve is arranged on the surface of the discharge pipe.

[0007] Preferably, a second trigger button is fixedly connected to the rear side of the inner cavity of the second sliding sleeve, and an audible and visual alarm is fixedly connected to one side of the first mixing tank.

[0008] Preferably, a filter cover is threadedly connected to the bottom end of the discharge pipe.

[0009] Preferably, the mixing component includes a rotating rod. The top end of the rotating rod is fixedly connected to the output shaft of the motor through a coupling, and the bottom end of the rotating rod is rotatably connected to the top of the blocking block. A plurality of stirring rods are fixedly connected to the surface of the rotating rod.

[0010] Preferably, the fixing mechanism includes threaded rods. The opposite ends of the two threaded rods are respectively rotatably connected to the opposite sides of the two L-shaped plates through bearings. A gear is fixedly connected to the surface of the threaded rod. A threaded block is threadedly connected to the surface of the threaded rod and on the side away from the L-shaped plate of the gear. Clamping plates are fixedly connected to the opposite sides of the two threaded blocks. Clamping grooves adapted to the clamping plates are respectively opened on the front side and the rear side of the second mixing tank. Slide groove plates are fixedly connected to the bottom of the opposite sides of the two L-shaped plates and below the threaded rods. A sliding block is slidably connected inside the slide groove plate, and the top of the sliding block is fixedly connected to the bottom of the threaded block. Tooth plate meshing with the gear is fixedly connected to the front side and the rear side of the inner cavity of the first mixing tank.

[0011] Preferably, the limiting mechanism includes a limiting card frame and a limiting card holder. There are two limiting card frames, which are respectively fixedly connected to both sides of the motor. The tops of the two cross plates are both rotatably connected with limiting card holders adapted to the limiting card frames. One side of the inner cavity of the limiting card frame is fixedly connected with a spring. One end of the spring is fixedly connected with a pressing plate, and the outer surface of the pressing plate is in sliding contact with the inner surface of the limiting card frame.

[0012] Preferably, sliding grooves are formed on both sides of the floating rod, and sliding blocks adapted to the sliding grooves are fixedly connected to both sides of the inner cavities of the first sliding sleeve and the second sliding sleeve.

[0013] Preferably, the other side of the first stirring tank is fixedly connected with a total control button.

[0014] Beneficial effects

[0015] The present invention relates to an improved device for wear resistance and leakage prevention of a mixing tank of a mixer. Compared with the existing technology, it has the following beneficial effects:

[0016] (1) In the improved device for wear resistance and leakage prevention of the mixing tank of the mixer, by adding a second stirring tank inside the first stirring tank, it is convenient to replace the second stirring tank after it is worn, thus avoiding the problem that the inner wall of the traditional first stirring tank is often in contact with the material, which easily causes the first stirring tank to be worn through and the whole device to be easily scrapped. At the same time, by arranging an annular floating block inside the first stirring tank, when there is a leakage point on the surface of the second stirring tank during the stirring process, the annular floating block can cooperate with the leaked water source to make the annular floating block rise and drive the floating rod to trigger the first trigger button. By triggering the first trigger button, the electric telescopic rod can drive the second stirring tank to rise through the L-shaped plate. By raising the second stirring tank, the material inside it can be quickly poured into the first stirring tank, thus avoiding the problem that the stirring rod will be damaged when stirring solid materials due to the reduction of the water source ratio inside the second stirring tank. At the same time, the rise of the L-shaped plate can also make the gear engage with the toothed plate. Through the engagement of the gear and the toothed plate, the threaded block on the surface of the threaded rod can drive the clamping plate to disengage from the clamping grooves on the front and rear sides of the second stirring tank, thus facilitating the staff to take out and replace the second stirring tank.

[0017] (2) In the improved device for wear resistance and leakage prevention of the mixing tank of the mixer, by arranging a second trigger button inside the second sliding sleeve, the floating rod can trigger the second trigger button while triggering the first trigger button. By triggering the second trigger button, the sound and light alarm can emit warning sound and light. Through the prompt of the warning sound and light, the staff can be reminded to replace the worn second stirring tank in time.

[0018] (3)The wear-resistant and leak-proof improvement device for the mixing tank of this mixer enables workers to filter the mixed materials through the filtering ability of the filter cover when discharging materials using the discharge pipe. Through filtration, the lumped materials that are not fully mixed in the mixed materials can be intercepted and separated, thereby ensuring the overall product quality of the mixed materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic external structure diagram of the present invention;

[0020] Figure 2 is a cross-sectional view of the structure of the first mixing tank of the present invention;

[0021] Figure 3 is a cross-sectional view of the structure of the second mixing tank of the present invention;

[0022] Figure 4 is a right view of the internal structure of the first mixing tank of the present invention;

[0023] Figure 5 is a top view of the internal structure of the first sliding sleeve of the present invention;

[0024] Figure 6 is a top view of the internal structure of the second sliding sleeve of the present invention;

[0025] Figure 7 is a top view of the internal structure of the limit clamping frame of the present invention;

[0026] Figure 8 is a top view of the structure of the annular floating block of the present invention.

[0027] In the figure: 1. First mixing tank; 2. Motor; 3. Stirring assembly; 31. Rotating rod; 32. Stirring rod; 4. Electric telescopic rod; 5. L-shaped plate; 101. Bearing plate; 102. Lapping frame; 103. Plugging block; 6. Second mixing tank; 7. Fixing mechanism; 71. Threaded rod; 72. Gear; 73. Threaded block; 74. Clamping plate; 75. Clamping groove; 76. Chute plate; 77. Sliding block; 78. Tooth plate; 8. Horizontal plate; 9. First sliding sleeve; 10. Second sliding sleeve; 11. Floating rod; 12. Annular floating block; 13. First trigger button; 14. Limiting mechanism; 141. Limit clamping frame; 142. Limit clamping frame; 143. Spring; 144. Resisting plate; 15. Second trigger button; 16. Sound and light alarm; 17. Discharge pipe; 18. Valve; 19. Filter cover; 20. Chute; 21. Slide block; 22. Total control button. DETAILED DESCRIPTION OF THE INVENTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] Please refer to Figure 1-8 , the present invention provides two technical solutions:

[0030] Embodiment 1

[0031] An improved device for wear resistance and leakage prevention of a mixing tank of a mixer, comprising a first mixing tank 1, a motor 2 and a mixing assembly 3, and the motor 2 is arranged directly above the first mixing tank 1. Electric telescopic rods 4 are fixedly connected to the front side and the rear side of the outer surface of the first mixing tank 1. L-shaped plates 5 are fixedly connected to the opposite sides of the two electric telescopic rods 4 and located inside the first mixing tank 1. A receiving plate 101 is fixedly connected to the opposite sides of the two L-shaped plates 5. A blocking block 103 is fixedly connected to the bottom of the inner cavity of the first mixing tank 1. The mixing assembly 3 includes a rotating rod 31. The top of the rotating rod 31 is fixedly connected to the output shaft of the motor 2 through a coupling, and the bottom of the rotating rod 31 is rotatably connected to the top of the blocking block 103. A plurality of mixing rods 32 are fixedly connected to the surface of the rotating rod 31. A second mixing tank 6 is sleeved outside the blocking block 103 and between the two receiving plates 101. A discharge port adapted to the blocking block 103 is opened at the bottom of the second mixing tank 6. Lapping frames 102 adapted to the receiving plates 101 are fixedly connected to the front side and the rear side of the outer surface of the second mixing tank 6. Fixing mechanisms 7 adapted to the second mixing tank 6 are arranged at the bottom of the receiving plates 101 on the opposite sides of the two L-shaped plates 5. The fixing mechanism 7 includes threaded rods 71. The opposite ends of the two threaded rods 71 are respectively rotatably connected to the opposite sides of the two L-shaped plates 5 through bearings. A gear 72 is fixedly connected to the surface of the threaded rod 71. A threaded block 73 is threadedly connected to the surface of the threaded rod 71 and on the side away from the L-shaped plate 5 of the gear 72. Clamping plates 74 are fixedly connected to the sides of the two threaded blocks 73 and located at the front side and the rear side of the second mixing tank 6. Clamping grooves 75 adapted to the clamping plates 74 are opened at the front side and the rear side of the second mixing tank 6. Slide groove plates 76 are fixedly connected to the opposite sides of the two L-shaped plates 5 and at the bottom of the threaded rods 71. Slide blocks 77 are slidably connected inside the slide groove plates 76. The top of the slide blocks 77 in the same plane is fixedly connected to the bottom of the threaded block 73. Tooth plate 78 meshing with the gear 72 is fixedly connected to the front side and the rear side of the inner cavity of the first mixing tank 1. Cross plates 8 are fixedly connected to the left and right sides of the top of the first mixing tank 1. A first sliding sleeve 9 and a second sliding sleeve 10 are respectively fixedly connected to the opposite sides of the two cross plates 8 and inside the first mixing tank 1. Floating rods 11 are slidably connected inside the first sliding sleeve 9 and the second sliding sleeve 10. Sliding grooves 20 are opened on both sides of the floating rods 11. Sliding blocks 21 adapted to the sliding grooves 20 are fixedly connected to both sides of the inner cavities of the first sliding sleeve 9 and the second sliding sleeve 10. An annular floating block 12 adapted to the outer surface of the second mixing tank 6 is fixedly connected to the bottom of the two floating rods 11 together. A first trigger button 13 is fixedly connected to the rear side of the inner cavity of the first sliding sleeve 9. The first trigger button 13 is adapted to the electric telescopic rod 4. In order to facilitate the limitation of the motor 2 and the removal and replacement of the second mixing tank 6, limiting mechanisms 14 adapted to the motor 2 are arranged on the tops of the two cross plates 8. The limiting mechanism 14 includes a limiting card frame 141 and a limiting card rack 142. There are two limiting card frames 141.And are respectively fixedly connected to both sides of the motor 2. Rotatingly connected to the top of both cross plates 8 are limiting card frames 142 adapted to the limiting card frames 141. Fixedly connected to one side of the inner cavity of the limiting card frame 141 is a spring 143. One end of the spring 143 is fixedly connected to a resisting plate 144, and the outer surface of the resisting plate 144 is in sliding contact with the inner surface of the limiting card frame 141. The limiting card frame 141 is a limiting card frame 141 with a single-sided open end. The shape of the limiting card frame 142 is an asymmetric U-shaped limiting card frame 142. The limiting card frame 141 and the limiting card frame 142 are arranged in the same plane, and the inside of the limiting card frame 142 is adapted to the inside of the limiting card frame 141. During use, only by rotating can the shorter side of the limiting card frame 142 be inserted into the inside of the limiting card frame 141. When the shorter side of the limiting card frame 142 is inserted into the inside of the limiting card frame 141, it will first be in inclined contact with the resisting plate 144. As the limiting card frame 142 continues to rotate, the resisting plate 144 will move backward in the direction of rotation of the limiting card frame 142 due to the contraction of the spring 143. When the limiting card frame 142 forms a vertical state with the limiting card frame 141 through continuous rotation, the resisting plate 144 will use the tension of the spring 143 to make the resisting plate 144 press tightly against the side surface of the vertically state limiting card frame 142. Both sides of the bottom of the first stirring tank 1 are communicated with discharge pipes 17. A valve 18 is arranged on the surface of the discharge pipe 17. Fixedly connected to the other side of the first stirring tank 1 is a total control button 22, and the total control button 22 is adapted to the electric telescopic rod 4.,

[0032] Embodiment Two

[0033] On the basis of Embodiment One, the following content is added as described below.

[0034] As a preferred embodiment, fixedly connected to the rear side of the inner cavity of the second sliding sleeve 10 is a second trigger button 15. Fixedly connected to one side of the first stirring tank 1 is an audible and visual alarm 16, and the second trigger button 15 is adapted to the audible and visual alarm 16.

[0035] As a preferred embodiment, the bottom end of the discharge pipe 17 is threadedly connected with a filter cover 19.

[0036] The advantages of the second embodiment compared to the first embodiment are as follows: By arranging a second trigger button 15 inside the second sliding sleeve 10, when the floating rod 11 triggers the first trigger button 13 by rising, it can also trigger the second trigger button 15. By triggering the second trigger button 15, the sound and light alarm 16 can emit warning sounds and lights. Through the prompt of the warning sounds and lights, it can remind the staff to replace the worn second mixing tank 6 in time. At the same time, by arranging a filter cover 19 at the discharge bottom end of the discharge pipe 17, when the staff discharges materials using the discharge pipe 17, the filter cover 19 can filter the mixed materials, and through filtration, the agglomerated materials that are not fully stirred in the mixed materials can be intercepted and separated, thereby ensuring the overall product quality of the mixed materials.

[0037] At the same time, the content not described in detail in this specification belongs to the well-known prior art in the art.

[0038] When cracks appear on the inner surface of the second mixing tank 6 due to long-term friction with materials, water will flow out from the gap on the outer surface of the second mixing tank 6. When the water source flows into the inside of the first mixing tank 1, the annular floating block 12 will drive the floating rod 11 to move upward due to the bearing of the water source. When the two floating rods 11 move to a certain height, they will simultaneously trigger the first trigger button 13 inside the first sliding sleeve 9 and the second trigger button 15 inside the second sliding sleeve 10. After the first trigger button 13 is triggered, the electric telescopic rod 4 will start automatically. When the electric telescopic rod 4 starts, its extending end will drive the second mixing tank 6 to rise through the L-shaped plate 5. During the rising of the second mixing tank 6, the discharge port at its bottom will be disengaged from the blocking block 103 at the bottom of the inner cavity of the first mixing tank 1. After the discharge port is disengaged from the blocking block 103, the materials inside the second mixing tank 6 will quickly flow into the inside of the first mixing tank 1 and continue the mixing work through the operation of the stirring rod 32. When the L-shaped plate 5 and the second mixing tank 6 rise to a certain height, the gear 72 arranged on the surface of the L-shaped plate 5 will engage with the tooth plate 78. The engagement of the gear 72 and the tooth plate 78 drives the threaded rod 71 to rotate. During the rotation of the threaded rod 71, the threaded block 73 will drive the clamping plate 74 to move on the surface of the threaded rod 71. Through the movement of the threaded block 73 and the clamping plate 74, the clamping plate 74 can be disengaged from the clamping grooves 75 on the front and rear sides of the second mixing tank 6. Secondly, after the second trigger button 15 is triggered, the sound and light alarm 16 will emit sounds and lights to prompt the staff to replace the second mixing tank 6 in time. When the second mixing tank 6 needs to be replaced after the materials are stirred well, first stop the motor 2 and make the limit card frame 142 disengage from the limit cooperation with the limit card frame 141 by flipping the limit card frame 142. After the limit card frame 142 is disengaged from the limit cooperation with the limit card frame 141, the staff can completely take out the second mixing tank 6 from the inside of the first mixing tank 1.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An improved device for wear resistance and leakage prevention of a mixing tank of a mixer, comprising a first mixing tank (1), a motor (2) and a mixing component (3), and the motor (2) is arranged directly above the first mixing tank (1), and is characterized in that: On the front and rear sides of the outer surface of the first stirring tank (1), electric telescopic rods (4) are fixedly connected. The telescopic ends of the two electric telescopic rods (4) are fixedly connected with L-shaped plates (5), and the L-shaped plates (5) are arranged inside the first stirring tank (1). On the opposite sides of the two L-shaped plates (5), bearing plates (101) are fixedly connected. At the bottom of the inner cavity of the first stirring tank (1), a blocking block (103) is fixedly connected. A second stirring tank (6) is sleeved outside the blocking block (103) and between the two bearing plates (101). On the front and rear sides of the outer surface of the second stirring tank (6), lapping frames (102) adapted to the bearing plates (101) are fixedly connected. On the opposite sides of the two L-shaped plates (5) and at the bottom of the bearing plates (101), fixing mechanisms (7) adapted to the second stirring tank (6) are arranged. On the left and right sides of the top of the first stirring tank (1), cross plates (8) are fixedly connected. On the opposite sides of the two cross plates (8) and inside the first stirring tank (1), a first sliding sleeve (9) and a second sliding sleeve (10) are respectively fixedly connected. Floating rods (11) are slidably connected inside the first sliding sleeve (9) and the second sliding sleeve (10). The bottoms of the two floating rods (11) are fixedly connected together with an annular floating block (12) adapted to the outer surface of the second stirring tank (6). At the rear side of the inner cavity of the first sliding sleeve (9), a first trigger button (13) is fixedly connected. On the tops of the two cross plates (8), limiting mechanisms (14) adapted to the motor (2) are arranged. On both sides of the bottom of the first stirring tank (1), discharge pipes (17) are communicated. On the surface of the discharge pipes (17), valves (18) are arranged; At the rear side of the inner cavity of the second sliding sleeve (10), a second trigger button (15) is fixedly connected. On one side of the first stirring tank (1), an audible and visual alarm (16) is fixedly connected.

2. The improved device for wear resistance and leakage prevention of the mixing tank of a mixer according to claim 1, characterized in that: The bottom end of the discharge pipe (17) is threadedly connected with a filter cover (19).

3. The wear-resistant and leak-proof improvement device for the mixing tank of a mixer according to claim 1, characterized in that: The stirring assembly (3) includes a rotating rod (31). The top end of the rotating rod (31) is fixedly connected to the output shaft of the motor (2) through a coupling, and the bottom end of the rotating rod (31) is rotatably connected to the top of the blocking block (103). A plurality of stirring rods (32) are fixedly connected to the surface of the rotating rod (31).

4. An improved device for wear resistance and leakage prevention of the mixing tank of a mixer according to claim 1, characterized in that: The fixing mechanism (7) includes a threaded rod (71). One end of each of the two threaded rods (71) facing away from each other is rotatably connected to the opposite surfaces of two L-shaped plates (5) through bearings respectively. A gear (72) is fixedly connected to the surface of the threaded rod (71). A threaded block (73) is threadedly connected to the surface of the threaded rod (71) on the side away from the L-shaped plate (5) of the gear (72). Clamping plates (74) are fixedly connected to the opposite sides of the two threaded blocks (73). Clamping grooves (75) adapted to the clamping plates (74) are formed on the front side and the rear side of the second stirring tank (6). Slide groove plates (76) are fixedly connected to the opposite surfaces of the two L-shaped plates (5) and at the bottom of the threaded rod (71). A sliding block (77) is slidably connected inside the slide groove plate (76), and the top of the sliding block (77) is fixedly connected to the bottom of the threaded block (73). Tooth plates (78) meshing with the gear (72) are fixedly connected to the front side and the rear side of the inner cavity of the first stirring tank (1).

5. An improved device for wear resistance and leakage prevention of the mixing tank of a mixer according to claim 1, characterized in that: The limiting mechanism (14) includes a limiting card frame (141) and a limiting card holder (142). There are two limiting card frames (141), which are respectively fixedly connected to both sides of the motor (2). Limiting card holders (142) adapted to the limiting card frames (141) are rotatably connected to the tops of the two cross plates (8). A spring (143) is fixedly connected to one side of the inner cavity of the limiting card frame (141). One end of the spring (143) is fixedly connected to a pressing plate (144), and the outer surface of the pressing plate (144) is in sliding contact with the inner surface of the limiting card frame (141).

6. The improved device for wear resistance and leakage prevention of the stirring tank of a mixer according to claim 1, characterized in that: Sliding grooves (20) are formed on both sides of the floating rod (11). Sliders (21) adapted to the sliding grooves (20) are fixedly connected to both sides of the inner cavities of the first sliding sleeve (9) and the second sliding sleeve (10).

7. An improved device for wear resistance and leakage prevention of the mixing tank of a mixer according to claim 1, characterized in that: A total control button (22) is fixedly connected to the other side of the first stirring tank (1).

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