Mixing device and mixing process for producing flame-retardant polyether product of building external wall thermal insulation layer
By designing automated mixing devices and optimized mixing processes, the problems of complex operation, difficult control and insufficient safety in the production process of flame retardant polyether polyols are solved, and lower production costs, higher product quality and higher safety are achieved.
Patent Information
- Application Number
- CN202411990133.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing flame retardant polyether polyol production process is complex, difficult to control, poor reproducibility, high production cost, low oxygen index of the prepared flame retardant, and at the same time, the treatment of melamine is unsafe and easy to produce dust, which increases labor intensity and production risks.
A mixing device and mixing process for the production of flame-retardant polyether products in the insulation layer of building exterior walls was designed to lift and cut melamine through an automated system, reduce manual operation, prevent dust leakage, and improve the control and efficiency of polymerization reaction by optimizing process parameters.
The production process is simplified, the operation complexity and production costs are reduced, the viscosity and stability of the product are improved, the oxygen index of the flame retardant is increased, the safety of workers is ensured, and the production efficiency is improved.
Smart Images
Figure CN119971869A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of flame retardant polyether production and processing, in particular to a mixing device and a mixing process for producing flame retardant polyether products for building exterior wall insulation layers. Background Art
[0002] Flame retardant polyether polyols are important chemical raw materials and are widely used in fields that require high flame retardant properties. By introducing different flame retardant elements, its flame retardant properties can be adjusted to meet the needs of different application scenarios. In the production of building exterior wall insulation layers, flame retardant polyether polyols are often required. In the production and processing of flame retardant polyether polyols, bagged melamine is required as a raw material.
[0003] During the production and processing of existing flame retardant polyether polyols, the synthesis process is complex, difficult to control, has poor reproducibility, requires the use of special equipment, has high production costs, and the prepared new flame retardant polyether has high viscosity and poor stability, and the prepared flame retardant has a low oxygen index.
[0004] When producing flame-retardant polyether polyols, it is necessary to add a variety of raw materials and catalysts for mixing, and the melamine in them has many hazards to the human body, including urinary system damage, reproductive system problems and bladder cancer. In the prior art, when adding melamine to a mixing barrel, the staff needs to cut the bag opening of the heavier bagged melamine, lift the bagged melamine high, and then pour it into the feed port of the mixing barrel. Since melamine is usually a powdered object in bags, when it is poured into the mixing barrel, it will cause large melamine dust to float, which brings harm to the staff's body and is not safe enough; and lifting heavy objects many times also increases the labor intensity of the staff; the staff manually cuts the bag opening, resulting in low production efficiency, so we have introduced a mixing device and mixing process for the production of flame-retardant polyether products for building exterior wall insulation layers. Summary of the invention
[0005] The object of the present invention is to provide a mixing device and a mixing process for producing a flame-retardant polyether product for a building exterior wall insulation layer. The present invention can automatically lift bagged melamine to a feed port without manual lifting by workers, and can also automatically cut melamine packaging bags, thereby reducing the labor intensity of workers; it can prevent dust generated by melamine raw materials during feeding from causing harm to the human body, thereby improving safety; and it can also prevent melamine raw materials from being blocked during feeding, thereby ensuring production efficiency, thereby solving the problems raised in the above-mentioned background technology.
[0006] To achieve the above object, the present invention provides the following technical solutions: The mixed production process of flame-retardant polyether products for building exterior wall insulation layer is as follows: melamine-formaldehyde condensate and polyol compounds are used as mixed initiators, and are first polymerized with olefin oxides under the action of amine catalysts to obtain high hydroxyl value polyethers, and the high hydroxyl value polyethers are further polymerized with olefin oxides under the action of alkali metal catalysts; The mass ratio of the melamine-formaldehyde condensate to the polyol compound is 2:80 to 80:2; The mass amount of the olefin oxide is 4 to 25 times the sum of the mass of the melamine-formaldehyde condensate and the polyol compound; The high hydroxyl polyether has a hydroxyl value of 500 to 700 mgKOH / g; The polyol compound is selected from ethylene glycol, sorbitol, mannitol, sucrose, glucoside or a combination thereof; The oxidized olefin is ethylene oxide, propylene oxide, epichlorohydrin or a mixture of several thereof; The sum of the masses of the melamine-formaldehyde condensate and the polyol compound is 6% to 87% of the mass of the entire reaction system; the reaction system comprises melamine-formaldehyde condensate, polyol compound, amine catalyst, oxidized olefin and alkali metal catalyst.
[0007] As a further solution of the present invention, the hydroxyl value of the soft foam flame retardant polyether polyol is 25 to 75 mgKOH / g, the melamine-formaldehyde condensate is prepared by reacting melamine and formaldehyde in a molar ratio of 2:5 at a temperature of 55 to 110°C, and the amount of the alkali metal catalyst is 1% to 6.5% of the sum of the mass of the melamine-formaldehyde condensate and the polyol compound.
[0008] A high-efficiency mixing device comprises a base and a mixing barrel, wherein the mixing barrel is fixedly arranged at the upper end of the base, a feeding port is arranged on one side of the upper end of the mixing barrel, a baffle is fixedly arranged at the upper end of the mixing barrel at one side of the feeding port, the baffle is vertically arranged, and an integrally formed reinforcing rib is arranged between the side wall of the baffle and the mixing barrel, a box body is arranged at the upper side of the feeding port, openings are arranged at the bottom of the box body and a side close to the baffle, a movable frame is arranged inside the box body, a shell is fixedly arranged at the upper end of the box body, a reciprocating shaking mechanism is arranged between the inside of the shell body and the movable frame, and the feeding efficiency can be improved by the reciprocating shaking mechanism, a cutting mechanism is arranged on the lower side of the inner part of the box body, and the melamine packaging bag can be automatically cut by the cutting mechanism, and a lifting mechanism is arranged at the upper end of the base at one side of the box body, and the lifting mechanism can facilitate the melamine packaging bag to be lifted from a low place to a high place and then docked with the feeding port.
[0009] As a further solution of the present invention, the reciprocating shaking mechanism includes a first motor and a turntable, the first motor is fixedly arranged outside the shell, the output end of the first motor passes through the shell and is fixedly connected to the turntable, a horizontal bar frame is provided on one side of the turntable, a guide column is slidably provided in the bar frame, one end of the guide column is rotatably connected to the edge of the side wall of the turntable, a rectangular hole is provided at the upper end of the box body, a rectangular rod is slidably provided in the rectangular hole, the upper end of the rectangular rod is fixedly connected to the bar frame, and the lower end of the rectangular rod is fixedly connected to the movable frame.
[0010] As a further solution of the present invention, the cutting mechanism includes a second motor and a rotating shaft. A rotating shaft is provided inside the box at the lower side of the movable frame. A disc-shaped cutting knife is fixedly provided in the middle of the shaft wall of the rotating shaft. A cutting hole matching the disc-shaped cutting knife is provided at the bottom of the movable frame. The second motor is fixedly mounted on the outer wall of the box. One end of the rotating shaft passes through the outside of the box and is fixedly connected to the output end of the second motor.
[0011] As a further solution of the present invention, the lifting mechanism includes an electric push rod, which is fixedly arranged at the upper end of the base on the box body, and a push plate is fixedly arranged at the output end of the electric push rod, and rollers are hinged on both sides of the push plate, one of the rollers is arranged to abut against the outer wall of the box body, and a rectangular groove is provided on the outer wall of the mixing barrel between the feed port and the electric push rod, and a slider is slidably arranged in the rectangular groove, and the upper end of the slider is fixedly connected to the bottom of the box body, and a limit rod is fixedly arranged in the slider, and both ends of the limit rod pass through the outside of the slider, and the groove walls on both sides of the rectangular groove are provided with limit grooves matching the limit rod.
[0012] As a further solution of the present invention, a plurality of leakage holes are provided on both sides of the strip-shaped hole at the bottom of the movable frame.
[0013] As a further solution of the present invention, a circular stopper is fixedly provided on one end of the guide column away from the turntable.
[0014] As a further solution of the present invention, the diameter of the circular stopper is greater than the diameter of the guide column.
[0015] As a further solution of the present invention, a sealing strip is fixedly provided at the opening of the box body, and the sealing strip is a corrosion-resistant rubber strip.
[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The production and mixing process of the flame-retardant polyether product for the building exterior wall insulation layer has the advantages of simple operation, easy control, good reproducibility, no need to use special equipment, low production cost, low viscosity and good stability of the prepared new flame-retardant polyether, and high oxygen index of the prepared flame retardant; 2. The high-efficiency mixing device is provided with an electric push rod, a box body, a roller, a push plate, a shell, a baffle, a mixing barrel, a first motor, a guide column, a strip frame, a circular block, a turntable, a rectangular rod, a movable frame, a leakage hole, a cutting hole, a rotating shaft, a disc-shaped cutting knife, a second motor, a limit rod, a limit groove, a slider, and a sealing strip. The bagged melamine is placed in the box body inside the movable frame, the electric push rod is started to make the push plate rise, and the push plate drives the box body to rotate 90° clockwise to a vertical state. At this time, the opening of the box body and the baffle and the mixing barrel are sealed by the sealing strip, which can effectively prevent dust leakage during feeding from causing harm to the staff. The first motor and the second motor are started, the output end of the first motor drives the turntable to rotate, the second motor drives the disc-shaped cutting knife to rotate through the rotating shaft, the turntable drives the guide column to rotate, and the guide column slides back and forth in the strip frame while rotating, and the strip The frame moves back and forth up and down driven by the guide column, and the bar frame then drives the movable frame to move back and forth up and down through the rectangular rod, and the movable frame drives the bagged melamine inside to move up and down. When the movable frame moves to the bottom, the upper side of the disc-shaped cutting knife enters the movable frame through the cutting hole and cuts the bottom of the melamine packaging bag. The reciprocating vibration of the movable frame up and down can drive the melamine raw material in the packaging bag to enter the feed port through the cutting hole and the leakage hole, and the reciprocating vibration of the movable frame can effectively prevent the problem of feed blockage from occurring. The present invention can automatically lift the bagged melamine to the feed port without manual lifting by the staff, and can also automatically cut the melamine packaging bag, thereby reducing the labor intensity of the staff; it can prevent the dust generated by the melamine raw material during feeding from causing harm to the human body, thereby improving safety, and at the same time, it can prevent the melamine raw material from being blocked during feeding, thereby ensuring production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the present invention.
[0018] Figure 2 It is a side structural schematic diagram of the present invention.
[0019] Figure 3 Schematic diagram of the internal structure of the box and shell.
[0020] Figure 4 Schematic diagram of the structure of the reciprocating shaking mechanism and the cutting mechanism.
[0021] Figure 5 for Figure 3 Schematic diagram of the enlarged structure of part A.
[0022] Figure 6 for Figure 3 Schematic diagram of the enlarged structure of part B.
[0023] In the figure: 1. base; 2. electric push rod; 3. reinforcing rib; 4. box; 5. roller; 6. push plate; 7. shell; 8. baffle; 9. mixing barrel; 10. first motor; 11. guide column; 12. bar frame; 13. round block; 14. turntable; 15. rectangular rod; 16. movable frame; 17. leakage hole; 18. cutting hole; 19. rotating shaft; 20. disc-shaped cutting knife; 21. second motor; 22. limit rod; 23. limit groove; 24. slider; 25. sealing strip. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] See also Figures 1 to 6 , the present invention provides a technical solution: The mixed production process of flame-retardant polyether products for building exterior wall insulation layer is as follows: melamine-formaldehyde condensate and polyol compounds are used as mixed initiators, and are first polymerized with olefin oxides under the action of amine catalysts to obtain high hydroxyl value polyethers, and the high hydroxyl value polyethers are further polymerized with olefin oxides under the action of alkali metal catalysts; The mass ratio of melamine-formaldehyde condensate to polyol compound is 2:80 to 80:2; The mass dosage of olefin oxide is 4 to 25 times the sum of the mass of melamine-formaldehyde condensate and polyol compound; The hydroxyl value of high hydroxyl polyether is 500-700 mgKOH / g; The polyol compound is selected from ethylene glycol, sorbitol, mannitol, sucrose, glucoside or a combination thereof; The oxidized olefin is ethylene oxide, propylene oxide, epichlorohydrin or a mixture of several thereof; The sum of the masses of melamine-formaldehyde condensate and polyol compounds accounts for 6% to 87% of the mass of the entire reaction system; the reaction system comprises melamine-formaldehyde condensate, polyol compounds, amine catalysts, oxidized olefins and alkali metal catalysts.
[0026] The hydroxyl value of the soft foam flame retardant polyether polyol is 25-75 mgKOH / g, the melamine-formaldehyde condensate is prepared by reacting melamine and formaldehyde at a molar ratio of 2:5 at a temperature of 55-110°C, and the amount of the alkali metal catalyst used is 1%-6.5% of the sum of the mass of the melamine-formaldehyde condensate and the polyol compound.
[0027] A high-efficiency mixing device comprises a base 1 and a mixing barrel 9, wherein the mixing barrel 9 is fixedly arranged at the upper end of the base 1, a feeding port 26 is arranged at one side of the upper end of the mixing barrel 9, a baffle 8 is fixedly arranged at the upper end of the mixing barrel 9 at one side of the feeding port 26, the baffle 8 is vertically arranged, an integrally formed reinforcing rib 3 is arranged between the side wall of the baffle 8 and the mixing barrel 9, a box body 4 is arranged at the upper side of the feeding port 26, openings are arranged at the bottom of the box body 4 and at a side close to the baffle 8, a movable frame 16 is arranged inside the box body 4, and a shell 7 is fixedly arranged at the upper end of the box body 4.
[0028] refer to Figure 4 and Figure 6 A reciprocating shaking mechanism is provided between the inside of the shell 7 and the movable frame 16. The feeding efficiency can be improved by the reciprocating shaking mechanism. The reciprocating shaking mechanism includes a first motor 10 and a turntable 14. The first motor 10 is fixedly arranged on the outside of the shell 7. The output end of the first motor 10 passes through the shell 7 and is fixedly connected to the turntable 14. A horizontal strip frame 12 is provided on one side of the turntable 14. A guide column 11 is slidably provided in the strip frame 12. One end of the guide column 11 is rotatably connected to the edge of the side wall of the turntable 14. A rectangular hole is provided at the upper end of the box body 4. A rectangular rod 15 is slidably provided in the rectangular hole. The upper end of the rectangular rod 15 is fixedly connected to the strip frame 12, and the lower end of the rectangular rod 15 is fixedly connected to the movable frame 16.
[0029] refer to Figure 4 and Figure 5 A cutting mechanism is provided on the lower side of the interior of the box body 4, and the melamine packaging bag can be automatically cut by the cutting mechanism. The cutting mechanism includes a second motor 21 and a rotating shaft 19. A rotating shaft 19 is provided on the lower side of the movable frame 16 inside the box body 4. A disc-shaped cutting knife 20 is fixedly provided on the middle part of the shaft wall of the rotating shaft 19. A cutting hole 18 matching the disc-shaped cutting knife 20 is provided on the bottom of the movable frame 16. The second motor 21 is fixedly mounted on the outer side wall of the box body 4, and one end of the rotating shaft 19 passes through the outside of the box body 4 and is fixedly connected to the output end of the second motor 21.
[0030] refer to Figure 1 and Figure 5 A lifting mechanism is provided at the upper end of the base 1 located on one side of the box body 4. The lifting mechanism can facilitate the lifting of the melamine packaging bag from a low place to a high place and then docking with the feed port 26. The lifting mechanism includes an electric push rod 2, which is fixedly arranged at the upper end of the base 1 located at the box body 4. A push plate 6 is fixedly arranged at the output end of the electric push rod 2. Rollers 5 are hinged on both sides of the push plate 6, one of the rollers 5 is set against the outer wall of the box body 4, and a rectangular groove is provided on the outer wall of the mixing barrel 9 between the feed port 26 and the electric push rod 2. A slider 24 is slidably provided in the rectangular groove. The upper end of the slider 24 is fixedly connected to the bottom of the box body 4. A limit rod 22 is fixedly provided in the slider 24, and both ends of the limit rod 22 penetrate to the outside of the slider 24. Limit grooves 23 matching the limit rod 22 are provided on the groove walls on both sides of the rectangular groove.
[0031] refer to Figure 4 and Figure 5 A plurality of leakage holes 17 are provided on both sides of the strip hole at the bottom of the movable frame 16. The leakage holes 17 can accelerate the melamine raw material from the movable frame 16 to fall into the feed port 26, thereby improving the feeding efficiency. The melamine raw material can be fed through the cutting hole 18 and the plurality of leakage holes 17 at the same time.
[0032] refer to Figure 4 and Figure 6 A circular stopper 13 is fixedly provided at one end of the guide column 11 away from the turntable 14 , and the circular stopper 13 can limit the guide column 11 to prevent the guide column 11 from escaping from the bar frame 12 . The diameter of the circular stopper 13 is larger than the diameter of the guide column 11 .
[0033] refer to Figure 5 and Figure 6 A sealing strip 25 is fixedly provided at the opening of the box body 4, and the sealing strip 25 is tightly pressed against the baffle 8 and the mixing barrel 9. The sealing strip 25 can improve the sealing effect between the box body 4 and the feed port 26 and the baffle 8. The sealing strip 25 is a corrosion-resistant rubber strip, which has good corrosion resistance and improves its service life.
[0034] When in use, first start the electric push rod 2 and make it drive the push plate 6 to descend. When the push plate 6 descends to the lower side of the box body 4, the elastic force of the sealing strip 25 pushes the box body 4, and the box body 4 rotates through the slider 24 at the bottom through the limit rod 22. When the box body rotates 90° counterclockwise to a horizontal position, the upper ends of the two rollers are against the box body 4, and the push plate 6 continues to descend. The two ends of the limit rod 22 slide in the limit groove, driving the box body 4 to rotate to the lower position and closing the electric push rod 2. At this time, the bagged melamine is placed in the box body 4 in the active position. Inside the moving frame 16, the electric push rod 2 is started again to make the push plate 6 rise, and the push plate 6 drives the box body to rotate 90° clockwise to a vertical state. At this time, the opening of the box body 4 and the baffle 8 and the mixing barrel 9 are sealed by the sealing strip 25, which can effectively prevent dust leakage during feeding from causing harm to the staff. The first motor 10 and the second motor 21 are started, and the output end of the first motor 10 drives the turntable 14 to rotate, and the second motor 21 drives the disc-shaped cutting knife 20 to rotate through the rotating shaft 19, and the turntable 14 drives the guide column 11 to rotate, and the guide column 11 is driven by the guide column 11 to rotate. The guide column 11 rotates while sliding back and forth in the bar frame 12. At the same time, the bar frame 12 moves back and forth up and down driven by the guide column 11. The bar frame 12 then drives the movable frame 16 to move back and forth up and down through the rectangular rod 15. The movable frame 16 drives the bagged melamine inside to move up and down. When the movable frame 16 moves to the bottom, the upper side of the disc-shaped cutting knife 20 enters the movable frame 16 through the cutting hole 18 and cuts the bottom of the melamine packaging bag. The reciprocating shaking of the movable frame 16 up and down can drive the melamine raw materials in the packaging bag to move up and down. The material enters the feed port 26 through the cutting hole 18 and the leakage hole 17, and the reciprocating shaking of the movable frame 16 can effectively prevent the problem of feed blockage. The present invention can automatically lift the bagged melamine to the feed port 26 without the need for manual lifting by the staff, and can also automatically cut the melamine packaging bag, thereby reducing the labor intensity of the staff; it can prevent the dust generated by the melamine raw material during feeding from causing harm to the human body, thereby improving safety, and at the same time prevent the melamine raw material from being blocked during feeding, thereby ensuring production efficiency.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mixing process for producing flame retardant polyether products for building exterior wall insulation layer, characterized by: Using melamine-formaldehyde condensate and polyol compounds as mixed initiators, firstly polymerize with olefin oxide under the action of amine catalyst to obtain high hydroxyl value polyether, and then further polymerize with olefin oxide under the action of alkali metal catalyst to obtain high hydroxyl value polyether; The mass ratio of the melamine-formaldehyde condensate to the polyol compound is 2:80 to 80:2; The mass amount of the olefin oxide is 4 to 25 times the sum of the mass of the melamine-formaldehyde condensate and the polyol compound; The high hydroxyl polyether has a hydroxyl value of 500 to 700 mgKOH / g; The polyol compound is selected from ethylene glycol, sorbitol, mannitol, sucrose, glucoside or a combination thereof; The oxidized olefin is ethylene oxide, propylene oxide, epichlorohydrin or a mixture of several thereof; The sum of the masses of the melamine-formaldehyde condensate and the polyol compound is 6% to 87% of the mass of the entire reaction system; the reaction system comprises melamine-formaldehyde condensate, polyol compound, amine catalyst, oxidized olefin and alkali metal catalyst.
2. The mixing process for producing a flame retardant polyether product for building exterior wall insulation layer according to claim 1, characterized in that: The hydroxyl value of the soft foam flame retardant polyether polyol is 25-75 mgKOH / g, the melamine-formaldehyde condensate is prepared by reacting melamine and formaldehyde at a molar ratio of 2:5 at a temperature of 55-110° C., and the amount of the alkali metal catalyst is 1%-6.5% of the sum of the mass of the melamine-formaldehyde condensate and the polyol compound.
3. An efficient mixing device, applicable to the production and mixing process of the flame retardant polyether product for building exterior wall insulation layer according to any one of claims 1-2, characterized in that: The invention comprises a base (1) and a mixing barrel (9), wherein the mixing barrel (9) is fixedly arranged at the upper end of the base (1), a feeding port (26) is arranged on one side of the upper end of the mixing barrel (9), a baffle (8) is fixedly arranged on the upper end of the mixing barrel (9) at one side of the feeding port (26), the baffle (8) is arranged vertically, an integrally formed reinforcing rib (3) is arranged between the side wall of the baffle (8) and the mixing barrel (9), a box body (4) is arranged on the upper side of the feeding port (26), the bottom of the box body (4) and a side close to the baffle (8) are both provided with openings, and the box body (4) is provided with a movable frame (16), a shell (7) is fixedly provided at the upper end of the box body (4), a reciprocating shaking mechanism is provided between the inside of the shell body (7) and the movable frame (16), and the reciprocating shaking mechanism can improve the feeding efficiency, a cutting mechanism is provided at the lower side of the inside of the box body (4), and the melamine packaging bag can be automatically cut by the cutting mechanism, and a lifting mechanism is provided at the upper end of the base (1) located at one side of the box body (4), and the lifting mechanism can facilitate the melamine packaging bag to be lifted from a low position to a high position and then docked with the feeding port (26).
4. The high-efficiency mixing device according to claim 3, characterized in that: The reciprocating shaking mechanism comprises a first motor (10) and a turntable (14), wherein the first motor (10) is fixedly arranged outside the housing (7), and an output end of the first motor (10) passes through the housing (7) and is fixedly connected to the turntable (14); a horizontal bar frame (12) is provided on one side of the turntable (14), a guide column (11) is slidably provided in the bar frame (12), one end of the guide column (11) is rotatably connected to the edge of the side wall of the turntable (14), a rectangular hole is provided at the upper end of the box body (4), a rectangular rod (15) is slidably provided in the rectangular hole, the upper end of the rectangular rod (15) is fixedly connected to the bar frame (12), and the lower end of the rectangular rod (15) is fixedly connected to the movable frame (16).
5. The high-efficiency mixing device according to claim 3, characterized in that: The cutting mechanism comprises a second motor (21) and a rotating shaft (19); the rotating shaft (19) is provided inside the box body (4) at the lower side of the movable frame (16); a disc-shaped cutting knife (20) is fixedly provided in the middle of the shaft wall of the rotating shaft (19); a cutting hole (18) matching with the disc-shaped cutting knife (20) is provided at the bottom of the movable frame (16); the second motor (21) is fixedly mounted on the outer wall of the box body (4); one end of the rotating shaft (19) passes through the outside of the box body (4) and is fixedly connected to the output end of the second motor (21).
6. The high-efficiency mixing device according to claim 3, characterized in that: The lifting mechanism comprises an electric push rod (2), the electric push rod (2) being fixedly arranged at the upper end of the base (1) at the box body (4), a push plate (6) being fixedly arranged at the output end of the electric push rod (2), rollers (5) being hingedly connected on both sides of the push plate (6), one of the rollers (5) being arranged to abut against the outer wall of the box body (4), a rectangular groove being provided on the outer wall of the mixing barrel (9) between the feed port (26) and the electric push rod (2), a slider (24) being slidably arranged in the rectangular groove, the upper end of the slider (24) being fixedly connected to the bottom of the box body (4), a limit rod (22) being fixedly arranged in the slider (24), both ends of the limit rod (22) being extended to the outside of the slider (24), and limit grooves (23) matching with the limit rod (22) being provided on both sides of the rectangular groove.
7. The high-efficiency mixing device according to claim 3, characterized in that: The bottom of the movable frame (16) is provided with a plurality of leakage holes (17) on both sides of the strip-shaped hole.
8. The high-efficiency mixing device according to claim 4, characterized in that: A circular stopper (13) is fixedly provided at one end of the guide column (11) away from the rotating disk (14).
9. The high-efficiency mixing device according to claim 8, characterized in that: The diameter of the circular stopper (13) is greater than the diameter of the guide column (11).
10. The high-efficiency mixing device according to claim 3, characterized in that: The box body (4) is fixedly provided with a sealing rubber strip (25) at the opening, and the sealing rubber strip (25) is a corrosion-resistant rubber strip.