CN112915889B - A rabbling mechanism for magnesium hydrate and stearic acid are mixed - Google Patents
A rabbling mechanism for magnesium hydrate and stearic acid are mixed Download PDFInfo
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- CN112915889B CN112915889B CN202110069837.1A CN202110069837A CN112915889B CN 112915889 B CN112915889 B CN 112915889B CN 202110069837 A CN202110069837 A CN 202110069837A CN 112915889 B CN112915889 B CN 112915889B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
- B01F27/953—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis using only helical stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/449—Stirrers constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/70—Drives therefor, e.g. crank mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83612—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/31—Couplings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/325—Driving reciprocating or oscillating stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a stirring mechanism for mixing magnesium hydroxide and stearic acid, which comprises a stirring barrel, wherein a first stirring blade and a second stirring blade are arranged in the stirring barrel, the first stirring blade and the second stirring blade respectively comprise a stirring rod, crushing teeth are arranged on the stirring rod, a rotating plate is movably arranged at the top of the stirring barrel, a moving seat is arranged in a rectangular through groove formed in the rotating plate in a sliding manner, and a fifth transmission gear is arranged on a shaft lever of the moving seat in a rotating manner. The stirring mechanism for mixing the magnesium hydroxide and the stearic acid, provided by the invention, can be used for crushing materials, namely, the first stirring blade and the second stirring blade can be driven to rotate along the circumferential direction of the stirring barrel respectively while being driven to rotate through the matching of the transmission unit and the reversing transmission assembly, and in the process of circumferential rotation, the first stirring blade and the second stirring blade also reciprocate along the long side direction of the rotating plate, namely, the stirring efficiency and the crushing effect of the first stirring blade and the second stirring blade are increased.
Description
Technical Field
The invention relates to a magnesium stearate processing technology, in particular to a stirring mechanism for mixing magnesium hydroxide and stearic acid.
Background
Magnesium stearate is white loose non-sandy fine powder, has a greasy feeling when being contacted with skin, and is easy to stick to skin. The magnesium stearate is used as a lubricant, an anti-sticking agent and a glidant, is particularly suitable for granulating oil and extract medicines, the prepared granules have good fluidity and compressibility, the texture is soft, the pit and the dent on the surface of the granules are filled, the embedding effect among the granules is weakened after the magnesium stearate is used, the magnesium stearate is easy to slide, and the particle size, fluidity and dispersibility indexes of the magnesium stearate directly influence the moldability of the prepared medicines.
Generally, when preparing magnesium stearate, firstly weighing a certain amount of magnesium hydroxide and stearic acid, respectively putting the stearic acid and the magnesium hydroxide into a kneader reactor for crushing, keeping the temperature at 80 ℃, adding water accounting for 3 percent of the total amount of the stearic acid and the magnesium hydroxide and hydrogen peroxide solution (50 percent w/w) accounting for 5 percent of the total amount of the stearic acid and the magnesium hydroxide when the stearic acid is molten, mixing and stirring for about 30 minutes, and stopping heating; finally, vacuum is pumped, the vacuum degree is kept at 0.1MPa, and the material is discharged in about 30 minutes.
Obviously, stearic acid and granular magnesium hydroxide need a kneader to crush and knead while mixing, and then need to further stir and mix the crushed and kneaded materials through a stirring device, and the existing stirring device for producing magnesium stearate has poor stirring effect and single functionality, resulting in the reduction of the quality of magnesium stearate production.
Disclosure of Invention
The invention aims to provide a stirring mechanism for mixing magnesium hydroxide and stearic acid, so as to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: a stirring mechanism for mixing magnesium hydroxide and stearic acid comprises a stirring barrel, wherein a first stirring blade and a second stirring blade are arranged in the stirring barrel, the first stirring blade and the second stirring blade respectively comprise a stirring rod, and crushing teeth are arranged on the stirring rod;
a rotating plate is movably arranged at the top of the stirring barrel, a moving seat is arranged in a rectangular through groove formed in the rotating plate in a sliding mode, a fifth transmission gear is arranged on a shaft lever of the moving seat in a rotating mode, a fourth transmission gear meshed with the fifth transmission gear is connected to the rotating plate in an eccentric rotating mode, a linkage rod is arranged between the fourth transmission gear and the fifth transmission gear, one end of the linkage rod is hinged to the fourth transmission gear, and the other end of the linkage rod is hinged to the shaft lever of the moving seat;
the transmission shaft is arranged on the side surface of the rotating plate, one end of the transmission shaft is fixedly arranged at a middle shaft of the side surface of the rotating plate, the second stirring blade is fixedly arranged at a middle shaft of the outer wall of one side of the fourth transmission gear, and the first stirring blade is fixedly arranged at a middle shaft of the outer wall of one side of the fifth transmission gear.
Preferably, the eccentric shaft of the fourth transmission gear movably penetrates through the rotating plate and is fixedly connected with a second sprocket.
Preferably, a fixed shell is fixedly mounted at the top of the stirring barrel, the second driving motor is fixedly mounted on the upper surface of the fixed shell, a reversing transmission assembly is arranged on one side of the rotating plate and comprises a first sprocket, the first sprocket is sleeved on the outer side of the transmission shaft, and the first sprocket and the second sprocket are in transmission connection through a chain.
Preferably, the reversing transmission assembly further comprises a second transmission gear and a third transmission gear, the third transmission gear penetrates through the fixed shell and is fixedly connected to an output shaft of a second driving motor, and a first transmission gear is fixedly mounted on the side wall of the first sprocket.
Preferably, the inner wall of the fixed shell is fixedly provided with an installation block, the installation block is fixedly provided with a fixed sleeve, the second transmission gear is movably installed on the outer wall of the fixed sleeve and is respectively meshed with the first transmission gear and the third transmission gear, and the first sprocket is rotatably installed on the outer wall of the fixed sleeve.
Preferably, a support frame is arranged on the outer side of the stirring barrel, two groups of fixing clamping blocks are fixedly mounted on one side of the support frame, and the stirring barrel is fixedly mounted between the two groups of fixing clamping blocks.
Preferably, the bottom of the stirring barrel is provided with a discharge port communicated with the stirring barrel, and a second sealing door is hinged at the discharge port.
Preferably, the kneading and crushing device comprises a conveying cylinder, a discharge port of the conveying cylinder is communicated with the outer wall of the stirring barrel, and the conveying cylinder is fixedly arranged on the support frame.
In the technical scheme, the stirring mechanism for mixing the magnesium hydroxide and the stearic acid, provided by the invention, has the following beneficial effects:
according to the invention, the first stirring blade and the second stirring blade are arranged in the stirring barrel, the crushing teeth are respectively arranged on the stirring rods of the first stirring blade and the second stirring blade, and then the stirring barrel is driven by the transmission unit and the reversing transmission assembly, so that the hardened grease and the magnesium hydroxide can be further mixed, and the materials after being mixed and cooled can be crushed, namely, the first stirring blade and the second stirring blade can be driven to rotate by the transmission unit and the reversing transmission assembly and simultaneously respectively rotate along the circumferential direction of the stirring barrel, and in the process of circumferential rotation, the first stirring blade and the second stirring blade also reciprocate along the long edge direction of the rotating plate, so that the stirring efficiency and the crushing effect of the first stirring blade and the second stirring blade are increased.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic structural diagram provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of the embodiment of the present invention without the supporting frame;
fig. 3 is a schematic structural diagram of a conveying drum and a mixing drum according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a portion A according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of the crushing column, the rotating shaft, the driving gear and the driven gear according to the embodiment of the present invention;
FIG. 6 is a schematic view of a coupling structure of a crushing column and a rotating column according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a crush column and a stop collar provided in an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a mixing drum and a partial conveying drum according to an embodiment of the present invention;
FIG. 9 is an enlarged structural diagram at B of FIG. 8 according to an embodiment of the present invention;
FIG. 10 is a schematic top view of a structure according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a transmission unit according to an embodiment of the present invention
FIG. 12 is a schematic structural diagram of a transmission unit provided in an embodiment of the present invention;
fig. 13 is an exploded view of a transmission unit according to an embodiment of the present invention;
FIG. 14 is a schematic structural diagram of the first stirring blade and the second stirring blade cooperating with the transmission assembly according to the embodiment of the present invention;
fig. 15 is a schematic structural view of a kneading column according to an embodiment of the present invention;
FIG. 16 is a schematic sectional view showing a kneading column according to an embodiment of the present invention installed in a conveying cylinder;
FIG. 17 is a schematic view of the distribution of two sets of pulverizing teeth and spiral feeding teeth on a rotating shaft according to an embodiment of the present invention;
FIG. 18 is a schematic structural diagram of a fixing housing and a mounting block according to an embodiment of the invention;
FIG. 19 is a schematic structural diagram of a connecting housing and a connecting block according to an embodiment of the present invention;
fig. 20 is a schematic cross-sectional view of a connection housing according to an embodiment of the invention.
Description of reference numerals:
1. a support frame; 2. a delivery cartridge; 3. a first drive motor; 4. a stirring barrel; 5. a second drive motor; 6. a threaded portion; 7. an outer ring gear; 8. crushing the column; 9. a rotating shaft; 10. a driving gear; 11. a linkage rod; 12. a first sprocket; 13. a second transmission gear; 14. a third transmission gear; 15. a rotating plate; 16. fixing the sleeve; 17. a movable seat; 18. a first stirring blade; 19. a second stirring blade; 198. crushing teeth; 20. a kneading column; 21. a limiting block; 22. a gasket; 23. locking the screw; 24. mounting blocks; 25. a fourth transmission gear; 26. a fifth transmission gear; 27. sealing the ball valve; 28. a return spring; 29. a spring seat; 30. mounting screws; 31. a connecting shell; 32. connecting blocks; 102. fixing the clamping block; 201. a first feed port; 202. a second feed port; 401. a stationary case; 402. a discharge port; 91. crushing teeth; 92. a spiral feeding tooth; 81. a limiting ring; 801. an avoidance groove; 802. a crushing tank; 1001. a driven gear; 1101. a second sprocket; 1201. a first drive gear; 1501. a drive shaft; 2001. a placement groove; 2011. a first sealing door.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
For the sake of better clarity of the working principle of the present invention, the crushing teeth 91 between the first feed opening 201 and the second feed opening 202 are referred to as first crushing teeth, and the crushing teeth 91 between the second feed opening 202 and the stirring barrel 4 are referred to as second crushing teeth; the spiral feeding teeth 92 between the first feeding hole 201 and the second feeding hole 202 are referred to as first spiral feeding teeth, and the spiral feeding teeth 92 between the second feeding hole 202 and the agitating barrel 4 are referred to as second spiral feeding teeth.
Referring to fig. 1-20, a stirring mechanism for mixing magnesium hydroxide and stearic acid includes a stirring barrel 4, a first stirring blade 18 and a second stirring blade 19 are disposed in the stirring barrel 4, the first stirring blade 18 and the second stirring blade 19 both include a stirring rod, and a crushing tooth 198 is disposed on the stirring rod; a rotating plate 15 is movably arranged at the top of the stirring barrel 4, a moving seat 17 is arranged in a rectangular through groove formed in the rotating plate 15 in a sliding mode, a fifth transmission gear 26 is arranged on a shaft rod of the moving seat 17 in a rotating mode, a fourth transmission gear 25 meshed with the fifth transmission gear 26 is eccentrically and rotatably connected to the rotating plate 15, a linkage rod 11 is arranged between the fourth transmission gear 25 and the fifth transmission gear 26, one end of the linkage rod 11 is hinged to the fourth transmission gear 25, and the other end of the linkage rod 11 is hinged to the shaft rod of the moving seat 17; since the fifth transmission gear 26 is rotatably connected to the shaft of the movable base 17, and then one end of the linkage rod 11 is hinged to the shaft of the movable base 17, when the linkage rod 11 moves, the movable base 17 can be driven to move, so that the fifth transmission gear 26 is driven to rotate. The transmission device further comprises a second driving motor 5, the second driving motor 5 is used for driving the transmission shaft 1501, one end of the transmission shaft 1501 is fixedly installed at the central axis of the side face of the rotating plate 15, the second stirring blade 19 is fixedly installed at the central axis of the outer wall of one side of the fourth transmission gear 25, and the first stirring blade 18 is fixedly installed at the central axis of the outer wall of one side of the fifth transmission gear 26, namely when the second driving motor 5 rotates, the transmission shaft 1501 and the rotating plate 15 connected with the transmission shaft are directly driven to rotate.
In the specific embodiment provided by the invention, the stirring barrel 4 is provided with a vacuum connecting component for connecting a vacuum pump;
the vacuum connecting assembly comprises a connecting shell 31, a sealing ball valve 27, a return spring 28 and a spring seat 29, wherein the connecting shell 31 is fixedly communicated with the side wall of the stirring barrel 4, the sealing ball valve 27 is positioned in a sealing ball groove formed in the connecting shell 31, the spring seat 29 is fixedly communicated in the connecting shell 31, the spring seat 29 and the connecting shell 31 are coaxial, one end of the return spring 28 is fixed in the spring seat 29, the other end of the return spring is sleeved on the sealing ball valve 27, the sealing ball valve 27 is abutted in the sealing ball groove under the elastic force of the return spring 28, one side of the connecting shell 31 is provided with a connecting block 32, the connecting block 32 is fixedly connected with the connecting shell 31 through a mounting screw 30, the connecting block 32 is communicated with the vacuum pump through a vacuum pipe, the vacuum connecting assembly is arranged on the stirring barrel 4, so that the vacuum pump can conveniently vacuumize the stirring barrel 4, and then the sealing ball valve 27 and the return spring 28 are arranged, can be comparatively quick circulate or cut off between agitator and the vacuum pump, and when taking out the vacuum, because the pressure in the agitator 4 is less than external pressure to and under the elasticity of return spring 28, sealed ball valve 27 contradicts in the ball groove, and is equipped with sealed the pad in the ball groove, thereby can improve the sealing performance between connecting shell 31 and agitator 4.
Specifically, in this embodiment, an eccentric shaft on the fourth transmission gear 25 movably penetrates through the rotating plate 15 and is fixedly connected with a second sprocket 1101, a fixed casing 401 is fixedly installed at the top of the stirring barrel 4, the second driving motor 5 is fixedly installed on the upper surface of the fixed casing 401, a reversing transmission assembly is arranged on one side of the rotating plate 15, the reversing transmission assembly includes a first sprocket 12, the first sprocket 12 is sleeved on the outer side of the transmission shaft 1501, the first sprocket 12 and the second sprocket 1101 are connected through chain transmission, and the first sprocket 13 and the second transmission gear 13 can be relatively fixed through the arrangement of the fixed casing 401, the installation block 24 and the fixed sleeve 16, that is, when the second driving motor 5 is started, the second transmission gear 13 cannot axially rotate along the transmission shaft 1501 and drives the first transmission gear 1201 to rotate through the transmission of the second transmission gear 13 and the third transmission gear 14, i.e. the first transmission gear 1201 does not rotate synchronously with the transmission shaft 1501.
In the embodiment provided by the invention, the reversing transmission assembly further comprises a second transmission gear 13 and a third transmission gear 14, the third transmission gear 14 penetrates through the fixed shell 401 and is fixedly connected to the output shaft of the second driving motor 5, and the side wall of the first sprocket 12 is fixedly provided with a first transmission gear 1201.
Further, an installation block 24 is fixedly arranged on the inner wall of the fixed shell 401, a fixed sleeve 16 is fixedly arranged on the installation block 24, the second transmission gear 13 is movably arranged on the outer wall of the fixed sleeve 16 and is respectively meshed with the first transmission gear 1201 and the third transmission gear 14, the first sprocket 12 is rotatably arranged on the outer wall of the fixed sleeve 16, and the fixed sleeve 16 is fixedly arranged on the installation block 24 arranged on the fixed shell 401, so that when the second driving motor 5 is started, the fixed sleeve 16 is in a static state relative to the fixed shell 401, the second transmission gear 13 and the meshed first transmission gear 1201 are driven to rotate through the transmission of the third transmission gear 14, and the first sprocket 12 is driven to rotate along the middle shaft of the fixed sleeve 16, that is, the power is transmitted to the second sprocket 1101 through a chain.
Furthermore, the support frame 1 is arranged outside the stirring barrel 4, two sets of fixing clamping blocks 102 are fixedly mounted on one side of the support frame 1, the stirring barrel 4 is fixedly mounted between the two sets of fixing clamping blocks 102, the fixing clamping blocks 102 are mainly used for supporting the stirring barrel 4 and limiting the stirring barrel 4, and the stability of the stirring barrel 4 is improved.
In the further proposed scheme of the present invention, the bottom of the mixing tank 4 is provided with a discharge port 402 communicated therewith, the discharge port 402 is hinged with a second sealing door (not shown in the figure), and a sealing strip is arranged inside the second sealing door (not shown in the figure), and the second sealing door is in a sealing state after being closed, so as to facilitate the subsequent vacuum pumping of the mixing tank 4.
In the embodiment provided by the invention, the kneading and crushing device further comprises a conveying cylinder 2, a discharge port 402 of the conveying cylinder 2 is communicated with the outer wall of the stirring barrel 4, the conveying cylinder 2 is fixedly arranged on the support frame 1, a crushing column 8 is movably arranged in the conveying cylinder 2, at least three crushing grooves 802 are arranged on the crushing column 8, a rotating shaft 9 is arranged in each crushing groove 802, two groups of crushing teeth 91 and spiral feeding teeth 92 used for conveying materials are sequentially arranged on the circumferential side wall of the rotating shaft 9 along the material conveying direction of the rotating shaft 9, as shown in fig. 1 and 17, the direction from the first feed port 201 to the stirring barrel 4 is the conveying direction of the rotating shaft 9, each group of crushing teeth 91 are circumferentially arrayed and uniformly arranged on the rotating shaft 9, the crushing teeth 91 in the circumferential array are respectively in one-to-one correspondence with the kneading columns 20 at corresponding positions, namely in the rotating process of the first driving motor 3, each of the circumferentially arrayed crushing teeth 91 in each set is kneaded with the corresponding kneading column 20, thereby crushing the material.
Kneading the reducing mechanism still includes drive mechanism, drive mechanism includes driving gear 10 and the three driven gear 1001 that meshes on driving gear 10, driving gear 10 fixed mounting is in the axis department at crushing post 8 top, driven gear 1001 and the top one-to-one rigid coupling of each axis of rotation 9, still include drive unit, it is used for driving gear 10, through setting up drive mechanism, accessible first driving motor 3 drives a plurality of axis of rotation 9 and crushing post 8 and rotates along the axostylus axostyle direction of crushing post 8, and at the pivoted in-process, can drive every axis of rotation 9 along crushing post 8 pivoted in-process through drive mechanism, self also is at the rotation, thereby can realize that the kneading 20 intermittent type of tooth 91 and relevant position is kneaded, will put in the material in the feed cylinder 2 and smash.
Specifically, in this embodiment, the device further includes an outer ring gear 7, the outer ring gear 7 is fixedly disposed on the inner wall of the top of the conveying cylinder 2, the driven gear 1001 is respectively engaged with the outer ring gear 7 and the driving gear 10, the driving unit is a first driving motor 3, an output shaft of the first driving motor 3 is fixedly connected to the driving gear 10, the output shaft of the first driving motor 3 penetrates into the conveying cylinder 2 and is fixedly connected to the driving gear 10, the first driving motor 3 may be connected to the driving gear 10 through a speed reducer, as an optional embodiment, both may be directly connected, and meanwhile, the driving unit and the conveying cylinder are connected by a dynamic sealing mechanism, the connection of the driving unit and the dynamic sealing mechanism are common knowledge and technical means in the field, and details are omitted.
The invention also provides a plurality of groups of kneading columns 20 arrayed along the circumference of the conveying cylinder 2, wherein the kneading columns 20 penetrate through the conveying cylinder 2 and extend to the inner side of the crushing groove 802, and can intermittently knead with the corresponding crushing teeth 91 in the rotating process of the rotating shaft 9, and can crush materials in the contact friction kneading process between the kneading columns 20 and the crushing teeth 91, as shown in fig. 1, the plurality of groups of kneading columns 20 positioned at two sides of the second feed port 202 are respectively in one-to-one correspondence with the rotating positions of the crushing teeth 91 arranged on the inner rotating shaft 9.
Furthermore, a limiting block 21 is arranged on the peripheral side wall of the kneading column 20, the limiting block 21 is hinged with the crushing teeth 91, a torque spring is arranged on a shaft rod of the limiting block 21 hinged with the crushing teeth 91, under the elastic force of the torque spring, the limiting block 21 is vertical to the kneading column 20, the limiting block 21 is clamped in a limiting groove formed in the inner wall of the conveying cylinder 2, a locking screw 23 is connected with a screw thread part 6 arranged at one end of the crushing teeth 91 through a thread, a sealing gasket 22 is sleeved between the locking screw 23 and the limiting block 21, in the process of installing the kneading column 20, the kneading column 20 firstly penetrates into the conveying cylinder 2 from the outer side of the conveying cylinder 2, the limiting block 21 moves towards the placing groove 2001 under the limitation of the conveying cylinder 2, when the limiting block 21 completely enters the conveying cylinder 2, the limiting block 21 is not limited by the conveying cylinder 2 any more, and then springs outwards under the elastic force of the torque spring, then to the direction pulling of keeping away from the transport cylinder 2 again and pinch post 20, can drive stopper 21 and inject corresponding spacing inslot, then tighten locking screw 23 again, then seal through sealing gasket 22 to make and pinch post 20 and transport cylinder 2 between carry out sealed zonulae occludens, thereby can will pinch post 20 and install to transport cylinder 2 in fast, improve the installation effectiveness of device.
Furthermore, offer on the outer wall of smashing post 8 and be used for dodging the groove 801 of dodging of kneading post 20, the setting of dodging groove 801 is in order to prevent when smashing the post 8 rotatory, kneading post 20 and smashing the post 8 and bump, guarantees the normal operating of device, even at the in-process of operation, has partial material to get into and dodge in the groove 801, also can be at the rotatory in-process of smashing the post 8, will dodge the inside material of groove 801 through kneading post 20 and release.
In the further proposed scheme of the present invention, the outer side of the conveying cylinder 2 is fixedly communicated with a first feed port 201 and a second feed port 202, along the material conveying direction of the rotating shaft 9, the first feed port 201 is located in front of the first group of crushing teeth 91 and the spiral feeding teeth 92, the second feed port 202 is located between the two groups of crushing teeth 91 and the spiral feeding teeth 92, the first feed port 201 is used for feeding stearic acid ester, the second feed port 202 is used for feeding magnesium hydroxide, the stearic acid ester and the magnesium hydroxide can be crushed and uniformly mixed by arranging the two feed ports and the two groups of crushing teeth 91, the subsequent processing is facilitated, the reacted stearic acid ester and magnesium hydroxide particle powder coexisting body can be simultaneously fed through the first feed port 201 and the second feed port 202, and the crushing efficiency of the device is also improved.
In the embodiment provided by the invention, the limit ring 81 is arranged in the crushing groove 802, the circulation gap is formed between the limit ring 81 and the rotating shaft 9 and can be determined according to the actual processing requirement, the size of the circulation gap formed between the limit column and the rotating shaft 9 is the particle size which meets the downstream heating and stirring, when the crushed particles are smaller than the circulation gap, the materials are continuously fed through the spiral feeder, and then the particles continuously flow to the conveying direction through the circulation gap.
Specifically, the opening part of first feed inlet 201 and second feed inlet 202 is equipped with first sealing door 2011, and the setting of first sealing door 2011 is mainly when being convenient for follow-up evacuation, can keep conveying section of thick bamboo 2 and the inside confined space that is in of agitator 4, the evacuation of being convenient for.
The invention can mix the hardstock and the magnesium hydroxide in the process of conveying materials by arranging a plurality of rotating shafts 9 in a conveying cylinder 2, arranging a plurality of groups of crushing teeth 91 on the rotating shafts 9 and arranging a plurality of groups of corresponding kneading columns 20 on the conveying cylinder 2, and then preliminarily crushing the hardstock and the magnesium hydroxide through kneading between the kneading columns 20 and the crushing teeth 91 in the process of conveying the hardstock and the magnesium hydroxide, has better crushing effect and is convenient for subsequent processing, and the invention can further mix the hardstock and the magnesium hydroxide by arranging a first stirring blade 18 and a second stirring blade 19 in a stirring barrel 4, then arranging crushing teeth 198 on stirring rods of the first stirring blade and the second stirring blade respectively, then driving the stirring blades through a transmission unit and a reversing transmission assembly, can smash the material after the cooling mixture, cooperate through drive unit and switching-over drive assembly promptly, can drive first stirring leaf 18 and second stirring leaf 19 in self pivoted, also respectively along 4 circumferential direction of agitator, and at circumferential direction's in-process, first stirring leaf 18 and second stirring leaf 19 also along the long limit direction reciprocating motion of rotor plate 15, increase the stirring efficiency and the crushing effect of first stirring leaf 18 and second stirring leaf 19 promptly.
In the further scheme provided by the invention, a stirring and crushing mechanism is arranged at a discharge port 402 of a conveying cylinder 2, the stirring and crushing mechanism comprises a stirring barrel 4, the stirring barrel 4 is fixedly communicated with the conveying cylinder 2, a heating device is arranged on the stirring barrel 4, the heating device is mainly arranged to melt stearate, in the process of preparing magnesium stearate, firstly, a certain amount of magnesium hydroxide and stearic acid are weighed, the stearic acid and the magnesium hydroxide are respectively put into a kneader reactor to be crushed, when the stearic acid and the magnesium hydroxide are crushed to set particles, the primary mixed particles of the magnesium hydroxide and the stearate are in the kneader, then the primary mixed particles are added into the stirring barrel 4, the heating device arranged on the stirring barrel 4 is used for heating, the temperature is kept at 80 ℃, when the stearic acid is melted, water accounting for 3% of the total amount of the stearic acid and the magnesium hydroxide and hydrogen peroxide solution accounting for 5% of the total amount is added, the mixing and stirring are carried out for about 30 minutes, stopping heating; and finally, vacuumizing, keeping the vacuum degree at 0.1MPa, and gradually reducing the internal temperature, namely crushing the melted mixture by a stirring and crushing device arranged in the stirring barrel 4, stirring for about 30 minutes, stopping stirring, putting the particle and powder coexisting body into the kneader again for crushing, discharging, and arranging a heating device on the stirring barrel 4, which is common knowledge and conventional technical means of technicians in the field and is not repeated.
When the invention is used, firstly, the device is started, the first driving motor 3 and the second driving motor 5 are started simultaneously, then stearic acid grease and magnesium hydroxide are respectively put into the kneading device through the first feed inlet 201 and the second feed inlet 202, then the first driving motor 3 is started to drive the driving gear 10 connected with the driving gear to rotate, thereby driving the driven gear 1001 engaged with each other to rotate along the outer ring gear 7, and when the driven gear 1001 rotates along the outer ring gear 7, the driven gear 1001 rotates, thereby when the first driving motor 3 is started, the crushing column 8 connected with the driving gear 10 is driven to rotate, then the driven gear 1001 drives the rotating shaft 9 connected with the driven gear to rotate and can revolve along the outer ring gear 7, namely, the rotating state is that the crushing column 8 and the rotating shaft 9 rotate synchronously, and when the rotating shaft 9 rotates coaxially with the crushing column 8, when the first driving motor 3 rotates, the grinding teeth 91 arranged on the outer side of the rotating shaft 9 intermittently contact and rub with the kneading column 20, namely, the stearic acid ester and the magnesium hydroxide are respectively conveyed into the conveying cylinder 2 through the first feeding hole 201 and the second feeding hole 202, then in the process of rotating the grinding column 8, the notches of the grinding grooves 802 arranged on the grinding column 8 pass through the notches of the first feeding hole 201 and the second feeding hole, the stearic acid ester or the magnesium hydroxide at the two feeding holes enter the grinding grooves 802, then the stearic acid ester or the magnesium hydroxide is conveyed downwards through the spiral feeding teeth 92 arranged on the outer side of the rotating shaft 9 and then enters the positions of the grinding teeth 91, due to the limiting blocks 21 arranged at the upper and lower parts, and the size of the circulation gap formed between the limiting columns and the rotating shaft 9 is the particle size according with the downstream heating and stirring, namely, the added stearic acid is continuously kneaded and crushed between the crushing teeth 91 and the kneading column 20 in the rotating process, when the particles of the crushed stearic acid are smaller than the flow gap formed between the limiting column and the rotating shaft 9, namely, the stearic acid enters the second spiral feeding teeth 92 through the flow gap while being extruded and conveyed, then is continuously conveyed, then passes through the position of the second crushing teeth 91, then enters the position of the second crushing teeth 91 through the magnesium hydroxide added through the second feeding hole 202, namely, the rotating shaft 9 is primarily mixed with the stearic acid in the rotating process, and further crushes the stearic acid while being primarily mixed, then the mixed mixture flows into the stirring barrel 4 through the flow gap between the limiting ring 81 arranged below the second crushing teeth 91 and the rotating shaft 9, namely, the stearic acid is continuously kneaded and crushed through the crushing column 8 arranged in the conveying barrel 2, The rotating shaft 9 and the crushing teeth 91 are rotated to knead and crush the stearic acid particles and the magnesium hydroxide particles, and preliminary mixing is performed, so that subsequent stearic acid is heated, melted and uniformly mixed, then the mixed and crushed material mixture enters the stirring barrel 4, then a heating device arranged on the stirring barrel 4 is started to heat the interior of the stirring barrel 4 to 80 ℃, then the second driving motor 5 drives the rotating mechanism and the reversing transmission assembly to rotate, when the stirring barrel is started, an output shaft of the second driving motor 5 rotates to drive the connected transmission shaft 1501 and the third transmission gear 14 to rotate, namely, the rotating plate 15 connected with the transmission shaft 1501 is driven to rotate, meanwhile, the second driving motor 5 also drives the connected third transmission gear 14 to rotate, so as to drive the second transmission gear 13 meshed with the third transmission gear 14 to rotate, the second transmission gear 13 drives the first transmission gear 1201 which is meshed with the first transmission gear to rotate, namely, the first toothed chain is driven to rotate along the axial direction of the fixed sleeve 16, namely, the chain drives the second sprocket 1101 which is in transmission fit with the second sprocket 1101 to rotate, so as to drive the fourth transmission gear 25 to eccentrically rotate along the shaft lever of the second sprocket 1101, namely, the second stirring blade 19 connected with the fourth transmission gear 25 is driven to rotate, in the process of eccentric rotation, the second stirring blade 19 can increase the stirring range, when the fourth transmission gear 25 rotates, on one hand, the hinged conveying member is driven to move, because the other end of the conveying member is hinged with the shaft lever on the movable seat 17, and the shaft lever of the movable seat 17 is rotatably connected with the fifth transmission gear 26, so that when the fourth transmission gear 25 eccentrically rotates, the movable seat 17 is driven by the conveying member to reciprocate along the chute which is formed on the movable plate, on the other hand, since the fourth transmission gear 25 is engaged with the fifth transmission gear 26, the fifth transmission gear 26 is driven to rotate, so that the first stirring blade 18 arranged on the side surface of the fifth transmission gear 26 is driven to rotate along the stirring tank 4 in the reciprocating movement process along the chute, and simultaneously the first stirring blade 18 and the second stirring blade 19 are driven to rotate along the stirring tank 4 in the circumferential direction along with the rotation plate 15, that is, when the second driving motor 5 is started, the first stirring blade 18 and the second stirring blade 19 are driven to rotate along the stirring tank 4 in the circumferential direction, and in the circumferential direction, the first stirring blade 18 and the second stirring blade 19 also reciprocate along the long side direction of the rotation plate 15, so that the stirring efficiency of the first stirring blade 18 and the second stirring blade 19 is increased, that is, the uniform mixing degree of the magnesium hydroxide and the hard acid grease is further increased;
then in the process of continuous heating, the hard grease is gradually melted, then when the hard grease is completely melted, water with the total amount of stearic acid and magnesium hydroxide being 3% and hydrogen peroxide solution with the total amount being 5% are added for mixing and stirring for 30 minutes, then vacuum pumping is performed, when the vacuum pumping is performed, a vacuum pump communicated with a connecting block 32 is started, air in the stirring barrel 4 is pumped, before the air pumping, a first sealing door 2011 and a second sealing door are respectively closed, so that the conveying barrel 2 and the stirring barrel 4 are in a sealed state, then the vacuum pump is started, the vacuum pump starts to pump the air in the stirring barrel 4 through a connecting shell 31, when the air pumping is performed, the air pressure of the vacuum pump drives the sealing ball valve 27 to move towards a spring seat 29, so that the sealing ball valve 27 is separated from a sealing ball groove, and therefore the air in the stirring barrel 4 is circulated into the connecting shell 31 through the sealing ball groove, then the mixture passes through the spring seat 29 and the connecting block 32, enters a vacuum pump through a vacuum tube, stops extraction when the vacuum degree in the stirring cylinder is 0.1MPa after the mixture is extracted, keeps the vacuum degree at 0.1MPa, stops heating, continues stirring, gradually cools the material which stops heating to be solid, then stirs the material through the first stirring blade 18 and the second stirring blade 19, sets the crushing teeth 198 on the first stirring blade 18 and the second stirring blade 19 in the rotating process, crushes the cooled material for about 30 minutes, the mixture of magnesium hydroxide and stearic acid in the stirring cylinder is in a particle powder coexisting body, then takes out the particle powder coexisting body through the discharge port 402, and then kneads and crushes the particle powder coexisting body again through the first feed port 201 after all the materials are taken out, and the particle powder coexisting body can be crushed according to the crushing method, and finally, discharging the mixture through a discharge hole 402 of the stirring barrel 4.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. The stirring mechanism for mixing the magnesium hydroxide and the stearic acid is characterized by comprising a stirring barrel (4), wherein a first stirring blade (18) and a second stirring blade (19) are arranged in the stirring barrel (4), the first stirring blade (18) and the second stirring blade (19) both comprise stirring rods, and crushing teeth (198) are arranged on the stirring rods;
a rotating plate (15) is movably arranged at the top of the stirring barrel (4), a moving seat (17) is arranged in a rectangular through groove formed in the rotating plate (15) in a sliding mode, a fifth transmission gear (26) is arranged on a shaft rod of the moving seat (17) in a rotating mode, a fourth transmission gear (25) meshed with the fifth transmission gear (26) is connected to the rotating plate (15) in an eccentric rotating mode, a linkage rod (11) is arranged between the fourth transmission gear (25) and the fifth transmission gear (26), one end of the linkage rod (11) is hinged to the fourth transmission gear (25), and the other end of the linkage rod is hinged to the shaft rod of the moving seat (17);
the transmission device is characterized by further comprising a second driving motor (5), wherein the second driving motor (5) is used for driving the transmission shaft (1501), one end of the transmission shaft (1501) is fixedly installed at the central axis of the side face of the rotating plate (15), the second stirring blade (19) is fixedly installed at the central axis of the outer wall of one side of the fourth transmission gear (25), and the first stirring blade (18) is fixedly installed at the central axis of the outer wall of one side of the fifth transmission gear (26);
an output shaft of the second driving motor (5) rotates to drive the transmission shaft (1501) and the third transmission gear (14) which are connected to rotate, namely, the rotating plate (15) connected with the transmission shaft (1501) is driven to rotate;
an eccentric shaft rod on the fourth transmission gear (25) movably penetrates through the rotating plate (15) and is fixedly connected with a second sprocket (1101);
a fixed shell (401) is fixedly mounted at the top of the stirring barrel (4), the second driving motor (5) is fixedly mounted on the upper surface of the fixed shell (401), a reversing transmission assembly is arranged on one side of the rotating plate (15), the reversing transmission assembly comprises first chain teeth (12), the first chain teeth (12) are sleeved on the outer side of the transmission shaft (1501), and the first chain teeth (12) are in chain transmission connection with the second chain teeth (1101);
the reversing transmission assembly further comprises a second transmission gear (13) and a third transmission gear (14), the third transmission gear (14) penetrates through the fixed shell (401) and is fixedly connected to an output shaft of a second driving motor (5), and a first transmission gear (1201) is fixedly mounted on the side wall of the first sprocket (12);
when the second driving motor (5) is started, the first stirring blade (18) and the second stirring blade (19) are driven to rotate along the circumferential direction of the stirring barrel (4) respectively, and in the process of circumferential rotation, the first stirring blade (18) and the second stirring blade (19) also reciprocate along the long edge direction of the rotating plate (15).
2. The stirring mechanism for mixing magnesium hydroxide and stearic acid as claimed in claim 1, wherein a mounting block (24) is fixedly arranged on the inner wall of the fixed shell (401), a fixed sleeve (16) is fixedly arranged on the mounting block (24), the second transmission gear (13) is movably arranged on the outer wall of the fixed sleeve (16) and is respectively meshed with the first transmission gear (1201) and the third transmission gear (14), and the first sprocket (12) is rotatably arranged on the outer wall of the fixed sleeve (16).
3. The stirring mechanism for mixing magnesium hydroxide and stearic acid according to claim 1, wherein a supporting frame (1) is provided outside the stirring barrel (4), two sets of fixing clamping blocks (102) are fixedly installed on one side of the supporting frame (1), and the stirring barrel (4) is fixedly installed between the two sets of fixing clamping blocks (102).
4. The stirring mechanism for mixing magnesium hydroxide and stearic acid according to claim 1 is characterized in that a discharge port (402) is provided at the bottom of the stirring barrel (4), and a second sealing door is hinged at the discharge port (402).
5. The stirring mechanism for mixing magnesium hydroxide and stearic acid as claimed in claim 1, further comprising a kneading and crushing device, wherein the kneading and crushing device comprises a conveying cylinder (2), a discharge port (402) of the conveying cylinder (2) is communicated with the outer wall of the stirring barrel (4), and the conveying cylinder (2) is fixedly mounted on the support frame (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110069837.1A CN112915889B (en) | 2021-01-19 | 2021-01-19 | A rabbling mechanism for magnesium hydrate and stearic acid are mixed |
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| CN202110069837.1A CN112915889B (en) | 2021-01-19 | 2021-01-19 | A rabbling mechanism for magnesium hydrate and stearic acid are mixed |
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| CN112915889B true CN112915889B (en) | 2022-04-22 |
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| CN116785995B (en) * | 2023-08-25 | 2023-10-24 | 天津市永康食品有限公司 | High-efficient agitating unit is used in raw materials mixture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM522073U (en) * | 2015-10-05 | 2016-05-21 | Xiao-Ping Li | Stirrer transmission structure |
| CN107617355A (en) * | 2017-10-31 | 2018-01-23 | 天津仁义合自动化技术股份有限公司 | A kind of mixing apparatus for bottle placer |
| CN111686630A (en) * | 2020-06-29 | 2020-09-22 | 浙江海印数码科技有限公司 | Quantitative proportioning production line for water-based ink of reactive dye |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM522073U (en) * | 2015-10-05 | 2016-05-21 | Xiao-Ping Li | Stirrer transmission structure |
| CN107617355A (en) * | 2017-10-31 | 2018-01-23 | 天津仁义合自动化技术股份有限公司 | A kind of mixing apparatus for bottle placer |
| CN111686630A (en) * | 2020-06-29 | 2020-09-22 | 浙江海印数码科技有限公司 | Quantitative proportioning production line for water-based ink of reactive dye |
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