CN108380137B - Multifunctional pellet granulator - Google Patents
Multifunctional pellet granulator Download PDFInfo
- Publication number
- CN108380137B CN108380137B CN201810186226.3A CN201810186226A CN108380137B CN 108380137 B CN108380137 B CN 108380137B CN 201810186226 A CN201810186226 A CN 201810186226A CN 108380137 B CN108380137 B CN 108380137B
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- cylinder
- extrusion
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- sleeve
- mixing
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- 239000008188 pellet Substances 0.000 title claims abstract description 67
- 238000001125 extrusion Methods 0.000 claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 35
- 239000008187 granular material Substances 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims description 43
- 238000004513 sizing Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 238000005563 spheronization Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 52
- 238000004519 manufacturing process Methods 0.000 abstract description 27
- 238000003756 stirring Methods 0.000 abstract description 9
- 235000020985 whole grains Nutrition 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 6
- 239000006187 pill Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 238000003860 storage Methods 0.000 description 11
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/10—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in stationary drums or troughs, provided with kneading or mixing appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
- F26B11/181—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles the receptacle being a foraminous, perforated or open-structured drum or drum-like container, e.g. rotating around a substantially horizontal or vertical axis; the receptacle being multiple perforated drums, e.g. in superimposed arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Glanulating (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of pharmaceutical equipment, and discloses a multifunctional pellet granulator, which comprises a driving device, a screw, a mixing cylinder, an extrusion cylinder and a granule finishing sleeve, wherein the screw is connected with the driving device and comprises a mixing part and an extrusion part; the mixing cylinder is arranged at the outer side of the mixing part of the screw rod, and a feeding device is arranged on the mixing cylinder; the extrusion cylinder is arranged at the outer side of the extrusion part of the screw rod, and a plurality of extrusion holes are formed in the peripheral wall of the extrusion cylinder; the whole grain sleeve is rotatably sleeved on the outer side of the extrusion cylinder, a plurality of whole grain holes are formed in the peripheral wall of the whole grain sleeve, and the diameter of each whole grain hole is the same as that of the micropill to be processed. The invention integrates the functions of stirring, extruding, cutting and granulating, the whole production process can complete granulating through one device without transferring materials, the operation is simple and convenient, the production link is simplified, the production efficiency is improved, the production cost is reduced, the occupied area is saved, the possibility of pollution of pills is reduced, and the quality of the pills is improved.
Description
Technical Field
The invention relates to the technical field of pharmaceutical equipment, in particular to a multifunctional pellet granulator.
Background
In the industries of medicine, food, fine chemical engineering, feed and the like, granulation is a very important technological process. It can make the material components uniform, prevent separation or segregation, prevent material aggregation and quality change, and increase material density, so that it is convenient for storage, packaging and transportation. In the pharmaceutical industry, the spherical pellets have the advantages of good fluidity, large contact area with gastrointestinal tracts, less adverse reaction, high bioavailability and the like, so the current requirements for preparing spherical particles are increased.
The preparation process of the spherical pellets comprises a plurality of working procedures such as stirring, extruding, cutting, shot blasting, drying and the like. However, in the prior art, a single process corresponds to a single device when processing pellets, and a plurality of devices (such as a wet granulator, an extruder, a shot blasting machine, a dryer and the like) are required to be combined in the whole production process so as to manufacture the pellets. The above production process causes several problems as follows:
1) The whole production process has more intermediate links, complicated steps, more complex operation and lower production efficiency;
2) The occupied area and the input cost of a plurality of devices are increased, and the production of small-batch products is not facilitated;
3) In actual production, because the ointment needs to be transferred from one device to another device for continuous processing, the probability of the ointment being polluted is increased, and the quality of the product is reduced;
4) The micropill prepared by the method is loose type, has rough and unsmooth appearance and uneven volume.
Disclosure of Invention
The invention aims to provide a multifunctional pellet granulator which can realize that a plurality of procedures are finished through one piece of equipment, thereby simplifying production links, improving production efficiency, reducing production cost and improving product quality.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a multi-functional pellet granulator, the pellet granulator comprising:
a driving device;
the screw is connected with the driving device and comprises a mixing part and an extrusion part;
the mixing cylinder is arranged outside the mixing part of the screw rod, and a feeding device is arranged on the mixing cylinder;
the extrusion cylinder is sleeved outside the extrusion part of the screw rod, and a plurality of extrusion holes are formed in the peripheral wall of the extrusion cylinder; and
the whole grain sleeve is rotatably sleeved on the outer side of the extrusion cylinder, a plurality of whole grain holes are formed in the peripheral wall of the whole grain sleeve, and the diameter of each whole grain hole is the same as that of a pellet to be processed.
Further, the multifunctional pellet granulator further comprises a storage cabinet, wherein the driving device and the mixing cylinder are both fixed on the storage cabinet, and the extruding cylinder is connected with the mixing cylinder and is suspended on the outer side of the storage cabinet.
Further, the bottom of locker is provided with removes the wheel, conveniently removes this multi-functional pellet granulator.
Further, the driving device is a motor, and an output shaft of the motor is connected with the screw rod through a coupler.
Further, the driving device further comprises a speed reducer, and the speed reducer is arranged between the motor and the screw.
Further, the driving device further comprises a synchronizing wheel and a synchronizing belt, and the motor drives the screw rod to rotate through the synchronizing wheel and the synchronizing belt.
Further, a protective cover is arranged above the feeding device.
As a preferable mode of the multifunctional pellet granulator, the screw is provided with spiral ribs, wherein the density of the spiral ribs on the mixing part is smaller than that of the spiral ribs on the extruding part.
As a preferable scheme of the multifunctional pellet granulator, the size of the extruding hole on the extruding cylinder is larger than that of the granulating hole on the granulating sleeve.
As a preferable scheme of the multifunctional pellet granulator, a central gear is fixed at one end, close to the extrusion part, of the screw rod, an annular gear is arranged in the finishing sleeve, and the central gear is meshed with the annular gear through at least one transmission gear.
As a preferable scheme of the multifunctional pellet granulator, a material receiving device is arranged below the whole pellet sleeve.
Further, a first hook is arranged at one end, close to the storage cabinet, of the material receiving device, and the material receiving device is hung on a fixed ring at one side of the storage cabinet through the first hook; the bottom of receiving the charging tray is provided with the second couple, be provided with the support on the locker, the support with the joint mutually of second couple.
Further, the material receiving device is arranged obliquely downwards; the bottom of receiving device is provided with a plurality of second couples, the length of support can be adjusted, thereby can be as required with the support joint is on corresponding second couple, in order to reach the regulation receiving device's inclination and export high purpose.
Further, a baffle is rotatably connected to the outlet of the lower end of the material receiving device, and the baffle is clamped with the material receiving device through a third hook.
As a preferable scheme of the multifunctional pellet granulator, the multifunctional pellet granulator further comprises a rounding drying cylinder, wherein the rounding drying cylinder is rotatably sleeved on the outer side of the finishing sleeve, a plurality of sieve holes are formed in the peripheral wall of the rounding drying cylinder, and the size of the sieve holes is smaller than that of pellets to be processed.
As a preferable scheme of the multifunctional pellet granulator, the end part of the rounding drying cylinder is provided with a supporting framework, and the center of the supporting framework is fixedly connected with the screw rod.
As a preferable scheme of the multifunctional pellet granulator, a blowing mechanism is arranged below the rounding drying cylinder and used for blowing air into the rounding drying cylinder.
Further, a heating device is arranged on the outer side of the cylinder wall of the rounding drying cylinder.
As a preferable scheme of the multifunctional pellet granulator, a discharge hole is formed in the rounding drying cylinder, and a discharge door is arranged at the discharge hole.
As a preferable scheme of the multifunctional pellet granulator, a dust collecting device is arranged below the rounding drying cylinder.
The beneficial effects of the invention are as follows:
according to the invention, the screw is driven to rotate by the driving device, when the screw rotates reversely, the mixing, stirring and finishing of materials can be realized, the materials are uniformly mixed, the granulating requirement is met, and when the screw rotates positively, the conveying and extruding functions of the materials can be realized. After the material is extruded from the extrusion cylinder, the outer side of the extrusion cylinder is provided with the whole particle sleeve, so that the pressure of the material at the extrusion hole is increased, the density of the material is increased, the specific gravity of the prepared pellets is increased, the pellet weight is increased, and the quality of the product is improved; meanwhile, the whole barrel can rotate relative to the extrusion barrel, so that the strip-shaped extrudate can be cut into a cylindrical shape, and the subsequent rounding operation is convenient. In addition, the method for replacing materials and cleaning equipment is simple, and is beneficial to processing of small-batch and multi-batch products; specifically, after each processing is finished, aseptic water is injected into the feeding device, then the screw rod is driven by the driving device to reversely and then positively rotate, and the cleaned waste is discharged from the extrusion cylinder, so that the cleaning work of the equipment can be completed, and the next batch of materials can be conveniently replaced for processing.
The pellet granulator integrates the functions of stirring, extruding, cutting and granulating, the whole production process can complete granulating through one device without transferring materials, the operation is simple and convenient, the production link is simplified, the production efficiency is improved, the production cost is reduced, the occupied area is saved, the possibility of pollution of the pellets is reduced, and the quality of the pellets is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic front view of a multifunctional pellet granulator according to an embodiment of the present invention;
FIG. 2 is a schematic view of the granule sleeve of FIG. 1;
FIG. 3 is a connection diagram of the inner ring gear of the granule sleeve of FIG. 1 with the drive gear and the sun gear;
fig. 4 is a schematic front view of a multifunctional pellet granulator according to a second embodiment of the present invention;
fig. 5 is a schematic side view of a multi-functional pellet granulator according to a second embodiment of the present invention;
fig. 6 is a schematic view of the structure of the spheronization dryer cylinder of fig. 4.
In the figure:
1-a driving device; 2-a screw; 21-a mixing section; 22-extrusion part; 23-sun gear; 24-a transmission gear; 3-a mixing drum; 31-a feeding device; 32-a protective cover; 4-an extrusion cylinder; 5-finishing the sleeve; 51-finishing holes; 52-an inner gear ring; 53-sealing cover; 6-a receiving device; 7-rounding the drying cylinder; 71-mesh; 72-supporting a framework; 73-a discharge door; 74-shaft holes; 8-a blowing mechanism; 81-an air outlet; 9-a dust collecting device; 100-storing the cabinet; 101-a control room; 102-bottom wheel.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
Example 1
As shown in fig. 1-3, the embodiment provides a preferable multifunctional pellet granulator, which comprises a driving device 1, a screw 2, a mixing cylinder 3, an extrusion cylinder 4 and a granulating sleeve 5, wherein the driving device 1 is connected with the screw 2 and is used for driving the screw 2 to rotate forwards or reversely; the screw 2 is provided with a mixing part 21 and an extruding part 22, wherein the mixing part 21 is arranged in the mixing cylinder 3 and is used for stirring and fully mixing materials, and the extruding part 22 is arranged in the extruding cylinder 4 and is used for pressurizing and extruding the mixed materials; the mixing drum 3 is further provided with a feeding device 31 for feeding raw materials with a certain proportion into the mixing drum 3, and the feeding device 31 is further provided with a protective cover 32, so that external pollutants can be prevented from entering the mixing drum 3, and the materials in the mixing drum 3 can be prevented from splashing outside the drum in the stirring process. A plurality of extrusion holes are uniformly formed in the peripheral wall of the extrusion cylinder 4 and used for extruding the mixed materials for the first time, and the extruded materials are in a strip-shaped structure. The finishing sleeve 5 is a stainless steel round tube and is rotatably sleeved on the outer side of the extrusion cylinder 4, and a certain gap is reserved between the finishing sleeve 5 and the extrusion cylinder 4, so that the material extruded for the first time is filled in the gap. The outer peripheral wall of the granule sleeve 5 is further densely provided with a plurality of granule arranging holes 51 for carrying out secondary extrusion on the materials in the gaps, and the embodiment increases the pressure of the materials at the extrusion holes by arranging the granule sleeve 5, so that the density of the materials is increased, the specific gravity of the prepared pellets is increased, the weight of the pellets is increased, the quality of products is improved, and the volume and the quantity of each medicine taking are reduced on the premise of the same weight of medicines. Meanwhile, the whole grain sleeve 5 can rotate relative to the extrusion cylinder 4, so that the strip-shaped extrudate can be cut into cylinders, the function of cutting and granulating by the equipment is realized, and the subsequent direct rounding and drying operation is facilitated. Meanwhile, the diameter of the finishing holes 51 is matched with the diameter of the pellets to be processed, and the finishing sleeves 5 with different apertures can be replaced according to the requirements during production so as to obtain particles with different diameters.
The pellet granulator integrates the functions of stirring, extruding, cutting and granulating, the whole production process can complete granulating through one device without transferring materials, the operation is simple and convenient, the production link is simplified, the production efficiency is improved, the production cost is reduced, the occupied area is saved, the possibility of pollution of the pellets is reduced, and the pellets manufactured by the device are compact and compact, have smooth appearance and uniform volume, and effectively improve the quality of the pellets.
Further, the driving device 1 in this embodiment may only include a variable frequency motor, and an output shaft of the motor is connected with the screw 2 through a coupling, so as to drive the screw 2 to rotate forward or reverse; the driving device 1 may also comprise a motor and a speed reducer, wherein the motor is decelerated through the speed reducer, and then the speed reducer drives the screw 2 to rotate; alternatively, the driving device 1 may further include a motor, a synchronizing wheel, and a timing belt, and the motor drives the screw 2 to rotate through the synchronizing wheel and the timing belt. In addition, this multi-functional pellet granulator still includes locker 100, can play supporting platform and storing's function, and specifically, above-mentioned drive arrangement 1, mixing drum 3 are all fixed in on this locker 100, and above-mentioned extrusion section of thick bamboo 4 is connected with mixing drum 3 to the outside in locker 100 is hung. The control room 101 is arranged on the storage cabinet 100 and used for controlling the operation of the pellet granulator, and four bottom wheels 102 are further arranged at the bottom of the storage cabinet 100, so that the position of the multifunctional pellet granulator can be conveniently and flexibly adjusted.
In this embodiment, the screw 2 is provided with helical fins on the outer periphery, and the density of the helical fins on the mixing section 21 is smaller than that on the extrusion section 22. In this embodiment, when the screw rod 2 rotates reversely, the spiral rib of the mixing part 21 can mix, stir and arrange materials uniformly to meet the requirement of granulating, and when the screw rod 2 rotates normally, the spiral rib of the extruding part 22 can realize the functions of conveying and extruding materials, and the extruding force on the materials is larger due to the larger density of the spiral rib of the extruding part 22, so that the density of the extruded materials is increased.
Preferably, the diameter of the extrusion hole in the extrusion cylinder 4 is much larger than the diameter of the sizing hole 51 in the sizing sleeve 5. The device has two functions, firstly, the material pressure in the extrusion hole can be increased, so that the material density is increased; secondly, the filling time of the materials in the granule finishing sleeve 5 can be prolonged, the filling quantity can be increased, and the compaction effect of the materials can be improved.
Preferably, a central gear 23 is fixed at one end of the screw 2 near the extrusion part 22, an inner gear ring 52 is arranged in the granule finishing sleeve 5, and two transmission gears 24 are arranged between the central gear 23 and the inner gear ring 52. During operation, the central gear 23 fixed on the screw 2 is driven to rotate through the rotation of the screw 2, the central gear 23 rotates to drive the two transmission gears 24 to rotate reversely, and the two transmission gears 24 rotate to drive the annular gear 52 of the granule-finishing sleeve 5. Meanwhile, a sealing cover 53 is further arranged at the end part of the granule sleeve 5 and used for sealing the port of the granule sleeve 5 and preventing materials from flowing out of the port.
Further, a material receiving device 6 is arranged below the granule arranging sleeve 5, a first hook is arranged at one end of the material receiving device 6, which is close to the storage cabinet 100, and the material receiving device is hung on a fixed ring at one side of the storage cabinet 100 through the first hook; the bottom of receiving the charging tray is provided with the second couple, is provided with the support on the locker 100, and support and second couple looks joint to realize the fixed of butt joint material device 6, conveniently lift off simultaneously and keep and wash. Preferably, the receiving device 6 is arranged obliquely downwards; the bottom of receiving device 6 is provided with a plurality of second couples, and the length of support can be adjusted to can be as required with the support joint on corresponding second couple, with the purpose of reaching the inclination of adjusting receiving device 6 and export height. In addition, the lower extreme exit rotation of receiving device 6 is connected with the baffle, can realize the storage to the material when the baffle is closed, can realize the function of unloading to the material when the baffle is opened. Specifically, the bottom of baffle accessible hinge is connected with receiving device 6, and the top accessible third couple is connected with receiving device 6 looks joint.
In addition, the method for replacing materials and cleaning equipment is simple, and is beneficial to processing of small-batch and multi-batch products; specifically, after each processing is finished, the sterile water is injected into the feeding device 31, the protective cover 32 is covered, then the screw rod 2 is driven by the driving device 1 to rotate reversely and then positively, and the cleaned waste is discharged from the extrusion cylinder 4, so that the cleaning work of the equipment can be completed, and the next batch of materials can be conveniently replaced for processing.
Example two
As shown in fig. 4-6, this embodiment provides another preferred multifunctional pellet granulator, which includes, in addition to the structure of the pellet granulator described in the first embodiment, a round-rolling drying cylinder 7, where the round-rolling drying cylinder 7 is a hollow cylinder structure and is rotatably sleeved on the outer side of the granule finishing sleeve 5, specifically, one end of the round-rolling drying cylinder 7, far away from the mixing cylinder 3, is provided with a supporting framework 72, and a shaft hole 74 is provided at the center of the supporting framework 72 and is fixedly connected with the screw 2 through the shaft hole 74, so that the round-rolling drying cylinder 7 can rotate under the drive of the screw 2. Because the medicine particles falling from the granule finishing sleeve 5 are mostly cylindrical, after the medicine particles fall into the round rolling drying cylinder 7, the cylindrical materials are rubbed off by multiple times of rotation in the rotation process of the round rolling drying cylinder 7, and become spherical gradually. Further, the peripheral wall of the round-rolling drying cylinder 7 is densely provided with a plurality of sieve holes 71, and the size of the sieve holes 71 is smaller than that of the pellets to be processed, so that scraps in the round-rolling drying cylinder 7 can be sieved out through the sieve holes 71, the function of the pellet granulator is further increased, and the subsequent separate sieving operation is avoided.
Preferably, the air blowing mechanism 8 is further arranged below the rounding drying cylinder 7, the air blowing mechanism 8 comprises an air heater arranged in the machine box, and an air outlet 81 of the air blowing mechanism 8 corresponds to the sieve holes 71 of the rounding drying cylinder 7 and is used for feeding hot air into the rounding drying cylinder 7, so that the drying effect on pellets can be realized while rounding, and the rounding and drying process is completed in one step. In addition, the wall of the rounding drying cylinder 7 can be provided with a heating device, so that materials can be heated, and the drying efficiency of pellets is further improved.
In addition, a dust collecting device 9 is arranged below the round-rolling drying cylinder 7, so that scraps, fine powder and the like which are rubbed and fall into the round-rolling drying cylinder 7 conveniently fall into the dust collecting device 9 through the sieve holes 71, the pellets in the round-rolling drying cylinder 7 are kept clean and tidy, no additional screening is needed, and labor and process steps are saved; and the scraps, fine powder and the like falling through the sieve holes 71 can be reused, and the scraps, fine powder and the like are put into the mixing drum 3 through the feeding device 31, and the pellets are stirred again, so that the loss of raw materials is reduced.
Further, a baffle plate is arranged at the end part of the rounding drying cylinder 7 so as to prevent the materials from falling off; the striker plate is provided with a discharge hole, and a discharge door 73 is arranged at the discharge hole and used for controlling the opening and closing of the discharge hole. Specifically, the top of the discharging door 73 is rotatably connected with the striker plate through a hinge, and two sides of the discharging door are fixedly clamped with the striker plate through a clamping structure. The setting of the discharge port facilitates the preparation of the pellets, and the finished pellets are taken out from the round-rolling drying cylinder 7, thereby completing the whole process of pellet preparation.
In the embodiment, the strip-shaped material is extruded through the extrusion cylinder 4, then the strip-shaped material is extruded and cut again through the granule finishing sleeve 5, and finally the round rolling and drying are carried out through the round rolling and drying cylinder 7, so that the spherical or approximately spherical pellets are finally prepared. The pellet granulator integrates the functions of stirring, extruding, cutting, granulating, rounding and drying, the whole production process does not need to transfer materials, the granulating can be completed through one piece of equipment, the operation is simpler and quicker, the production link is further simplified, the production efficiency is improved, the production cost is reduced, and the quality of pills is improved.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (7)
1. A multi-functional pellet granulator comprising:
a driving device (1);
a screw (2) connected to the drive device (1), the screw (2) comprising a mixing section (21) and an extrusion section (22);
a mixing cylinder (3) arranged outside a mixing part (21) of the screw (2), wherein a feeding device (31) is arranged on the mixing cylinder (3);
the extruding cylinder (4) is sleeved outside the extruding part (22) of the screw (2), and a plurality of extruding holes are formed in the peripheral wall of the extruding cylinder (4);
the sizing sleeve (5) is rotatably sleeved on the outer side of the extrusion cylinder (4), a plurality of sizing holes (51) are formed in the peripheral wall of the sizing sleeve (5), and the diameter of each sizing hole (51) is the same as that of a pellet to be processed; a certain gap is reserved between the sizing sleeve (5) and the extrusion cylinder (4);
a central gear (23) is fixed at one end, close to the extrusion part, of the screw (2), an annular gear (52) is arranged in the granule finishing sleeve (5), and the central gear (23) is meshed with the annular gear (52) through at least one transmission gear (24);
the granulating and drying machine further comprises a rounding and drying cylinder (7), wherein the rounding and drying cylinder (7) is rotatably sleeved on the outer side of the granulating sleeve (5), a plurality of sieve holes (71) are formed in the peripheral wall of the rounding and drying cylinder (7), and the size of the sieve holes (71) is smaller than that of the pellets to be processed;
the end part of the rounding drying cylinder (7) is provided with a supporting framework (72), and the center of the supporting framework (72) is fixedly connected with the screw rod (2).
2. The multi-functional pellet granulator according to claim 1, wherein the screw (2) is provided with helical fins, wherein the density of helical fins on the mixing section (21) is less than the density of helical fins on the extrusion section (22).
3. The multifunctional pellet granulator according to claim 1, characterized in that the size of the extrusion holes on the extrusion cylinder (4) is larger than the size of the sizing holes (51) on the sizing sleeve (5).
4. The multifunctional pellet granulator according to claim 1, characterized in that a receiving device (6) is arranged below the finishing sleeve (5).
5. The multifunctional pellet granulator according to claim 1, wherein a blowing mechanism (8) is arranged below the rounding drying cylinder (7) and is used for blowing air into the rounding drying cylinder (7).
6. The multifunctional pellet granulator according to claim 1, wherein the spheronization drying cylinder (7) is provided with a discharge port, and a discharge door (73) is arranged at the discharge port.
7. The multifunctional pellet granulator according to claim 1, wherein a dust collecting device (9) is further arranged below the spheronization drying cylinder (7).
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| CN201810186226.3A CN108380137B (en) | 2018-03-07 | 2018-03-07 | Multifunctional pellet granulator |
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| CN110887369A (en) * | 2019-11-07 | 2020-03-17 | 湖南工业大学 | Wood powder continuous extrusion drying device and process thereof |
| CN111365963A (en) * | 2020-03-26 | 2020-07-03 | 广东睿泽环境科技有限公司 | Evaporation drying control process for colloidal waste |
| CN111453707B (en) * | 2020-05-26 | 2021-09-24 | 嘉兴学院 | Phosphorus coal pelletizing equipment of yellow phosphorus production usefulness |
| CN113351113B (en) * | 2021-06-16 | 2023-05-09 | 珠海瑞思普利医药科技有限公司 | Extrusion rounding equipment and extrusion rounding method |
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