CN116749479A - Mixed melting granulator - Google Patents
Mixed melting granulator Download PDFInfo
- Publication number
- CN116749479A CN116749479A CN202311044659.2A CN202311044659A CN116749479A CN 116749479 A CN116749479 A CN 116749479A CN 202311044659 A CN202311044659 A CN 202311044659A CN 116749479 A CN116749479 A CN 116749479A
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- shaft
- roller
- cylinder
- melting
- communicated
- Prior art date
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- 238000002844 melting Methods 0.000 title claims abstract description 28
- 230000008018 melting Effects 0.000 title claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 65
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 35
- 238000003756 stirring Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 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
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a screw
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
Abstract
The invention relates to the field of granulating equipment, and particularly discloses a mixed melting granulator; through the arrangement of the multiple groups of inner and outer exchange cylinders arranged in the gaps of the spiral conveying blades and the radial conveying rollers arranged in the inner and outer exchange cylinders, the full mixing of inner and outer raw materials is realized, so that all components in the molten raw materials are uniformly dispersed, and the quality of subsequent granulation is further ensured; besides the driving of the radial conveying roller in the inner and outer exchange cylinders, the modified auxiliary agent is filled into the molten raw material through the metering pump, particularly, the molten raw material in a fluid state is cut to form a gap when the inner and outer exchange cylinders do circular rotation, the modified auxiliary agent sprayed out of the roller shaft is sprayed onto the inner wall of the molten raw material in the gap, then the gap is filled with the molten raw material, and the uniform and efficient mixing of the modified auxiliary agent and the molten raw material is realized.
Description
Technical Field
The invention relates to the field of granulation equipment, in particular to a mixed melting granulator.
Background
A granulator is a molding machine capable of producing materials into specific shapes, and most polymers must be mixed and kneaded before being produced into final products, and then granulated into marketable raw materials. The power required by the pelletizer is proportional to the amount of extrusion, and is exponentially related to the screen size, and there are many different pelletizer designs, and the main pelletizer can be divided into two main categories: a cold dicing system and a die face hot dicing system; the main difference between the two is the arrangement of the time of the granulating process; a cold shear system to pellet from the cured polymer at the end of the process; in die face hot pelletizing systems, the pellets are cooled downstream as the molten polymer emerges from the die.
In the process of granulating, different granulating raw materials are required to be melted and mixed, and in the process of melting and extruding, the traditional spiral granulator is only pushed and mixed by a spiral blade, so that the raw materials are insufficiently mixed, and the quality of granules is easy to be different.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a mixing and melting granulator, which can fully mix the melting raw materials of an inner layer and an outer layer through an inner exchange cylinder and an outer exchange cylinder in the melting extrusion process, so as to ensure the quality uniformity of granules.
In order to solve the problems, the invention adopts the following technical scheme.
The mixed melting granulator comprises a melting extrusion cylinder, wherein an axle center roller penetrates through the melting extrusion cylinder, a spiral conveying blade used for pushing raw materials to move is fixedly connected to the axle center roller, a plurality of inner and outer exchange cylinders for pumping the raw materials from the outer layer to the inner layer of the melting extrusion cylinder are arranged in gaps of the spiral conveying blade, a feed inlet is formed in one side, far away from the axle center roller, of the inner and outer exchange cylinders, and a discharge outlet is formed in one side, close to the axle center roller, of the inner and outer exchange cylinders; the inner and outer exchange cylinders are internally nested with radial conveying rollers, the radial conveying rollers are provided with roller shafts, the roller shafts extend into the axle center rollers and are connected with inner rotating shafts through first transmission gear sets, and the inner rotating shafts and the axle center rollers are arranged in the same direction and extend to the outer sides of the inner rotating shafts and the axle center rollers; the axle center roller and the inner rotating shaft are connected with a driving motor through a reduction gear set; the right end of the melt extrusion cylinder is provided with extrusion holes which are uniformly distributed, and the outer side of the extrusion holes is provided with a cutting knife wheel fixedly connected with the inner rotating shaft.
Further: the feeding end of the melt extrusion cylinder is communicated with a premixing cylinder, the upper part of the premixing cylinder is communicated with a plurality of charging hoppers distributed circumferentially, and the lower part of the premixing cylinder is provided with a conical cavity; the inner side of the premixing cylinder is provided with a switching ring which is arranged opposite to the feeding hopper and is rotationally connected with the inner wall of the premixing cylinder, the inner side of the switching ring is fixedly connected with a plurality of spiral bent pipes matched with the feeding hopper, the switching ring is provided with a communication port matched with the spiral bent pipes, and the equal-height position of the inner wall of the premixing cylinder and the communication port is provided with a feeding groove communicated with the feeding hopper; the inner side of the switching ring is fixedly connected with a fixed rod, the fixed rod is fixedly connected with a stirring shaft, and the stirring shaft extends to the upper part of the premixing barrel and is connected with a stirring motor; the stirring shaft extends into the conical cavity and is fixedly connected with a stirring rod.
Further: the roller is the hollow shaft, and the roller extends to inside and outside exchange section of thick bamboo outside, and the roller inboard has communicating pipe through first rotary joint intercommunication, and communicating pipe rotates the intercommunication through second rotary joint and internal rotation axle, and internal rotation axle tip has the feed liquor pipe through third rotary joint intercommunication, and the feed liquor pipe intercommunication has the measuring pump, and the measuring pump has the liquid storage pot through the pipeline intercommunication, has filled modification auxiliary agent in the liquid storage pot.
Further: the reduction gear set includes a set of vertical bevel gears disposed radially and a horizontal bevel gear disposed at a central portion thereof and engaged therewith.
Further: the axle center roller is a hollow shaft, the inner exchange cylinder and the outer exchange cylinder are hollow cylinders with inner ends open, and the inner rotating shaft penetrates through the axle center roller and is rotationally connected with the side wall of the axle center roller.
Further: the feed inlet is located the front side of inside and outside exchange tube circumference direction of rotation, and the multiunit discharge gate that is circumference equidistance and distributes is seted up to inside the inside and outside exchange tube.
Further: the axle center roller is provided with a plurality of groups of inner and outer exchange cylinders which are spirally and equidistantly distributed, and the extension lines of the inner and outer exchange cylinders and the radial conveying roller pass through the axle center line of the axle center roller.
Further: the piston cylinder connected with the piston cylinder in a sliding way is nested at the outlet of the outer end of the roll shaft, the piston cylinder is abutted with a limiting spring arranged in the roll shaft, the piston cylinder is of a hollow round platform cylindrical structure, and a liquid outlet is formed in the lower portion of the piston cylinder.
Further: the roll shaft is provided with a sliding groove for the piston cylinder to slide radially, the limiting spring is nested in the sliding groove, and the lower part of the piston cylinder is provided with liquid outlets distributed at equal intervals in circumference.
Further: the inner wall of the conical cavity is provided with a plurality of layers of grid rods which are distributed at equal intervals along the circumference, and the grid rods and the stirring rods are distributed in a staggered manner.
Compared with the prior art, the invention has the advantages that:
(1) According to the invention, the molten raw materials at the outer layer of the melt extrusion cylinder are continuously conveyed to the central axis position of the melt extrusion cylinder through the plurality of groups of inner and outer exchange cylinders arranged in the gaps of the spiral conveying blades and the radial conveying rollers arranged in the inner and outer exchange cylinders, so that the full mixing of the raw materials at the inner and outer layers is realized, the components in the molten raw materials are uniformly dispersed, and the quality of subsequent granulation is further ensured;
(2) According to the invention, the hollow inner rotating shaft and the hollow roller shaft are arranged, so that the radial conveying rollers in the inner exchange cylinder and the outer exchange cylinder are driven, the modified auxiliary agent is filled into the molten raw material through the metering pump, particularly, the molten raw material in a fluid state is cut to form a gap when the inner exchange cylinder and the outer exchange cylinder do circular rotation, the modified auxiliary agent sprayed by the roller shaft is sprayed to the inner wall of the molten raw material in the gap, then the gap is filled with the molten raw material, and the uniform and efficient mixing of the modified auxiliary agent and the molten raw material is realized;
(3) According to the invention, the premixing barrel comprising the switching ring and the spiral bent pipe is arranged, the switching ring enables different raw material particles in each feeding head to be fed uniformly and intermittently, then the various raw material particles which are fed uniformly are paved circumferentially on the inner wall of the conical cavity of the premixing barrel under the flow guiding effect of the rotating spiral bent pipe, so that the various raw material particles are paved and mixed layer by layer in small batches, the various raw material particles are uniformly mixed before entering the melting extrusion barrel, the subsequent melting, mixing and extrusion are facilitated, and the particle quality is further improved;
(4) According to the invention, the stirring rods arranged in the conical cavity and the multi-layer grid rods staggered with the stirring rods are matched to further stir and mix the mixed raw materials layer by layer in the horizontal direction, so that the mixing quality is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic perspective view of an inner and outer exchange tube according to the present invention;
FIG. 5 is a schematic cross-sectional view of an inner and outer exchange tube;
FIG. 6 is an enlarged schematic view of the structure shown in FIG. 5B;
FIG. 7 is a schematic perspective view of a piston cylinder according to the present invention;
FIG. 8 is a schematic diagram of an assembly structure of an axial roller according to the present invention;
FIG. 9 is a schematic view of an assembly structure of an inner shaft according to the present invention;
FIG. 10 is a schematic cross-sectional view of a premix barrel according to the present invention;
FIG. 11 is a schematic view of the internal structure of the premix barrel according to the present invention;
fig. 12 is a schematic view showing an assembled structure of a switching ring and a spiral bend pipe in the present invention.
The reference numerals in the figures illustrate: 1. a melt extrusion barrel; 2. an axial roller; 3. spiral conveying blades; 4. an inner and an outer exchange tube; 401. a feed inlet; 402. a discharge port; 5. radial conveying rollers; 501. a roll shaft; 5011. a sliding groove; 6. a first drive gear set; 7. an inner rotating shaft; 8. a reduction gear set; 9. a driving motor; 10. a communicating pipe; 11. a first rotary joint; 12. a second rotary joint; 13. a liquid inlet pipe; 14. a metering pump; 15. a liquid storage tank; 16. extruding the hole; 17. a cutter wheel; 18. a premix barrel; 1801. a feed chute; 19. a charging hopper; 20. a switching ring; 2001. a communication port; 21. a spiral bent pipe; 22. a fixed rod; 23. a stirring shaft; 24. a stirring motor; 25. a stirring rod; 26. a grille bar; 27. a piston cylinder; 2701. a liquid outlet; 28. and a limit spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-10, in one embodiment of the present invention, a hybrid melt granulator includes a melt extrusion cylinder 1, an axial roller 2 is penetrated in the melt extrusion cylinder 1, a spiral conveying blade 3 for pushing raw materials to move is fixedly connected to the axial roller 2, a plurality of inner and outer exchange cylinders 4 for pumping raw materials from an outer layer to an inner layer of the melt extrusion cylinder 1 are arranged in a gap of the spiral conveying blade 3, a feed inlet 401 is formed on a side, away from the axial roller 2, of the inner and outer exchange cylinders 4, and a discharge outlet 402 is formed on a side, close to the axial roller 2, of the inner and outer exchange cylinders 4; the inner exchange cylinder 4 and the outer exchange cylinder 4 are nested with radial conveying rollers 5, the radial conveying rollers 5 are provided with roller shafts 501, the roller shafts 501 extend into the axle center roller 2 and are connected with an inner rotating shaft 7 through a first transmission gear set 6, and the inner rotating shaft 7 and the axle center roller 2 are arranged in the same direction and extend to the outer side of the inner rotating shaft; both the axle center roller 2 and the inner rotating shaft 7 are connected with a driving motor 9 through a reduction gear set 8; the right end of the melt extrusion cylinder 1 is provided with extrusion holes 16 which are uniformly distributed, and the outer side of the extrusion holes 16 is provided with a cutting knife wheel 17 which is fixedly connected with the inner rotating shaft 7.
Specifically, various granulating raw materials are put into a melt extrusion cylinder 1 for melt extrusion, a driving motor 9 is started, the driving motor 9 drives an axle center roller 2 to rotate, the axle center roller 2 drives a spiral conveying blade 3 to rotate, the spiral conveying blade 3 drives the granulating raw materials to transversely move for melting, meanwhile, the driving motor 9 drives an inner rotating shaft 7 to rotate, the inner rotating shaft 7 drives a radial conveying roller 5 to rotate through a first transmission gear set 6, the radial conveying roller 5 is matched with an inner and outer exchange cylinder 4, raw materials in a molten state close to the inner wall of the melt extrusion cylinder 1 are conveyed to the position of the axle center roller 2, the raw materials enter the inner and outer exchange cylinders 4 from a feed inlet 401 and are discharged from a discharge outlet 402, so that the inner layer molten state raw materials and the outer layer molten state raw materials are exchanged and mixed, various raw materials are fully exchanged and mixed, the components in the molten state raw materials are uniformly mixed, the uniformity of the raw materials is ensured, and the granulating quality is improved; along with the continuous movement of the raw materials in the melt extrusion cylinder 1 pushed by the spiral conveying blade 3, the raw materials are extruded after being cooled on the right side of the melt extrusion cylinder 1, and the inner rotating shaft 7 drives the cutting knife wheel 17 to rotationally cut and granulate the cooled extruded raw materials.
In the present embodiment, the reduction gear set 8 includes a set of vertical bevel gears disposed radially and a horizontal bevel gear disposed in the middle thereof and engaged therewith.
Specifically, the rotation of the axle center roller 2 and the rotation of the inner rotating shaft 7 are reversed, so that the rotation speed of the radial conveying roller 5 is ensured, and the exchange speed of the inner and outer layer molten state raw materials is ensured.
In this embodiment, the axial roller 2 is a hollow shaft, the inner and outer exchange cylinders 4 are hollow cylinders with inner ends open, and the inner rotating shaft 7 penetrates through the axial roller 2 and is rotatably connected with the side wall of the axial roller 2.
In particular, the mounting of the inner rotary shaft 7 and the transmission of the radial transport rollers 5 are realized.
In this embodiment, the inlet 401 is located at the front side of the inner and outer exchange tubes 4 in the circumferential rotation direction, and multiple groups of outlet 402 distributed at equal intervals in circumference are formed on the inner side of the inner and outer exchange tubes 4.
In the embodiment, a plurality of groups of inner and outer exchange cylinders 4 which are spirally and equidistantly distributed are arranged on the shaft center roller 2, and the extension lines of the inner and outer exchange cylinders 4 and the radial conveying roller 5 pass through the shaft center line of the shaft center roller 2.
Specifically, the inner and outer layer exchange effect of the molten raw material is improved.
In this embodiment, the roller shaft 501 is a hollow shaft, the roller shaft 501 extends to the outside of the inner and outer exchange cylinders 4, the inside of the roller shaft 501 is communicated with a communicating pipe 10 through a first rotary joint 11, the communicating pipe 10 is rotationally communicated with the inner rotary shaft 7 through a second rotary joint 12, the end part of the inner rotary shaft 7 is communicated with a liquid inlet pipe 13 through a third rotary joint, the liquid inlet pipe 13 is communicated with a metering pump 14, the metering pump 14 is communicated with a liquid storage tank 15 through a pipeline, and a modification auxiliary agent is filled in the liquid storage tank 15.
Specifically, when the modifying assistant is required to be injected into the molten raw material, the metering pump 14 is started, the metering pump 14 injects the modifying assistant into the inner rotating shaft 7, and then the modifying assistant is injected into the roller shaft 501 through the communicating pipe 10 and is sprayed out; when the inner and outer exchange cylinders 4 do circular motion along with the axis roller 2, the molten raw materials at the front side of the inner and outer exchange cylinders enter the inner and outer exchange cylinders 4 through the feed inlet 401, a short-lived raw material gap is formed when the inner and outer exchange cylinders 4 move in the molten raw materials, so that the sprayed modified auxiliary agent is sprayed out circumferentially and contacts with the inner wall of the molten raw materials at the gap, then the molten raw materials fill the gap, the modified auxiliary agent is uniformly contacted with the molten raw materials, and the auxiliary agent mixing effect is improved.
In this embodiment, a piston cylinder 27 slidably connected with the outer end outlet of the roller shaft 501 is nested at the outer end outlet of the roller shaft 501, a limiting spring 28 installed in the roller shaft 501 is abutted against the piston cylinder 27, the piston cylinder 27 is of a hollow round table cylindrical structure, and a liquid outlet 2701 is formed in the lower portion of the piston cylinder 27.
In this embodiment, the roller shaft 501 is provided with a sliding groove 5011 for the piston cylinder 27 to slide radially, the limiting spring 28 is nested in the sliding groove 5011, and the lower part of the piston cylinder 27 is provided with liquid outlets 2701 distributed at equal intervals in circumference.
Specifically, when no modifying auxiliary agent needs to be injected, the piston cylinder 27 is nested in the roll shaft 501 under the action of the limiting spring 28 and seals the roll shaft 501, so that the roll shaft 501 is prevented from being blocked by molten raw materials.
In another embodiment of the present invention, referring to fig. 2 and fig. 10-12, a feed end of a melt extrusion cylinder 1 is communicated with a premixing cylinder 18, an upper part of the premixing cylinder 18 is communicated with a plurality of charging hoppers 19 distributed circumferentially, and a lower part of the premixing cylinder 18 is provided with a conical cavity; a switching ring 20 which is arranged opposite to the feeding hopper 19 and is rotationally connected with the inner wall of the premixing barrel 18 is arranged on the inner side of the premixing barrel 18, a plurality of spiral bent pipes 21 matched with the feeding hopper 19 are fixedly connected on the inner side of the switching ring 20, a communication port 2001 matched with the spiral bent pipes 21 is arranged on the switching ring 20, and a feeding groove 1801 communicated with the feeding hopper 19 is arranged on the inner wall of the premixing barrel 18 at the same height position as the communication port 2001; a fixed rod 22 is fixedly connected to the inner side of the switching ring 20, a stirring shaft 23 is fixedly connected to the fixed rod 22, and the stirring shaft 23 extends to the upper side of the premixing tube 18 and is connected with a stirring motor 24; the stirring shaft 23 extends into the conical cavity and is fixedly connected with a stirring rod 25.
Specifically, the various granulating raw materials to be mixed and melted are respectively placed into a circumferentially distributed feeding hopper 19, then a stirring motor 24 is started, the stirring motor 24 drives a stirring shaft 23 to rotate, the stirring shaft 23 drives a switching ring 20 to rotate through a fixed rod 22, and the switching ring 20 drives a spiral bent pipe 21 to perform circular motion; as the switching ring 20 rotates, when the communication port 2001 is communicated with the feed chute 1801, various raw materials in the feeding hopper 19 enter the spiral bent pipe 21 through the communication port 2001 and the feed chute 1801, and are thrown out onto the inner wall of the conical cavity after performing circular motion along with the spiral bent pipe 21, so that various raw material particles are centrifugally paved and mixed on the inner wall of the conical cavity, various raw material particles are mixed layer by layer on the inner wall of the conical cavity, and the uniformity and the mixing effect of mixing of the particle raw materials are improved; meanwhile, when the communication port 2001 is staggered from the feed chute 1801, the raw material particles cannot enter the premixing barrel 18, so that sufficient paving and mixing time is provided for the raw materials which enter previously, and uniform feeding of various raw materials is realized; in addition, the stirring rod 25 rotates along with the stirring shaft 23 to stir and mix the raw materials mixed layer by layer, and the mixed raw materials enter the melt extrusion barrel 1 to be subjected to melt extrusion, so that the mixing uniformity of the raw materials is further improved.
In this embodiment, the switching ring 20 is a horizontally disposed ring, and the vertical height of the switching ring 20 is greater than the vertical height of the feed chute 1801.
Specifically, the synchronous release and the blocking of each raw material are realized.
In this embodiment, the inner wall of the conical cavity is provided with a plurality of layers of grid rods 26 distributed at equal intervals circumferentially, and the grid rods 26 and the stirring rods 25 are distributed in a staggered manner.
Specifically, the falling speed of the mixed raw material particles is delayed by the grid rod 26, and the mixing rod 25 is matched for stirring and mixing in the horizontal direction, so that the mixing effect is further improved.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The mixed melting granulator comprises a melting extrusion cylinder (1), and is characterized in that an axle center roller (2) penetrates through the melting extrusion cylinder (1), a spiral conveying blade (3) for pushing raw materials to move is fixedly connected to the axle center roller (2), a plurality of inner and outer exchange cylinders (4) for pumping the raw materials from the outer layer to the inner layer of the melting extrusion cylinder (1) are arranged in a gap of the spiral conveying blade (3), a feeding hole (401) is formed in one side, far away from the axle center roller (2), of the inner and outer exchange cylinders (4), and a discharging hole (402) is formed in one side, close to the axle center roller (2), of the inner and outer exchange cylinders (4); the inner exchange cylinder (4) is internally nested with a radial conveying roller (5), the radial conveying roller (5) is provided with a roller shaft (501), the roller shaft (501) extends into the axle center roller (2) and is connected with an inner rotating shaft (7) through a first transmission gear set (6), and the inner rotating shaft (7) and the axle center roller (2) are arranged in the same direction and extend to the outer side of the inner rotating shaft; the axle center roller (2) and the inner rotating shaft (7) are connected with a driving motor (9) through a reduction gear set (8); extrusion holes (16) which are uniformly distributed are formed in the right end of the melt extrusion cylinder (1), and a cutting knife wheel (17) fixedly connected with the inner rotating shaft (7) is arranged on the outer side of the extrusion holes (16).
2. The mixing and melting granulator according to claim 1, wherein the feeding end of the melting extrusion cylinder (1) is communicated with a premixing cylinder (18), the upper part of the premixing cylinder (18) is communicated with a plurality of charging hoppers (19) distributed circumferentially, and the lower part of the premixing cylinder (18) is provided with a conical cavity; a switching ring (20) which is arranged opposite to the feeding hopper (19) and is rotationally connected with the inner wall of the premixing barrel (18) is arranged on the inner side of the premixing barrel (18), a plurality of spiral bent pipes (21) matched with the feeding hopper (19) are fixedly connected on the inner side of the switching ring (20), a communication opening (2001) matched with the spiral bent pipes (21) is arranged on the switching ring (20), and a feeding groove (1801) communicated with the feeding hopper (19) is arranged at the same height position of the inner wall of the premixing barrel (18) as the communication opening (2001); a fixed rod (22) is fixedly connected to the inner side of the switching ring (20), a stirring shaft (23) is fixedly connected to the fixed rod (22), and the stirring shaft (23) extends to the upper side of the premixing barrel (18) and is connected with a stirring motor (24); the stirring shaft (23) extends into the conical cavity and is fixedly connected with a stirring rod (25).
3. The mixing and melting granulator according to claim 2, wherein the roller shaft (501) is a hollow shaft, the roller shaft (501) extends to the outer side of the inner exchange cylinder (4), the communicating pipe (10) is communicated with the inner side of the roller shaft (501) through the first rotary joint (11), the communicating pipe (10) is communicated with the inner rotating shaft (7) in a rotating manner through the second rotary joint (12), the end part of the inner rotating shaft (7) is communicated with the liquid inlet pipe (13) through the third rotary joint, the liquid inlet pipe (13) is communicated with the metering pump (14), the metering pump (14) is communicated with the liquid storage tank (15) through a pipeline, and the modifying auxiliary agent is filled in the liquid storage tank (15).
4. A hybrid melt granulator according to claim 1, characterized in that the reduction gear set (8) comprises a set of vertical bevel gears arranged radially and a horizontal bevel gear arranged in the middle thereof and meshing therewith.
5. The mixing and melting granulator according to claim 1, wherein the shaft center roller (2) is a hollow shaft, the inner and outer exchange cylinders (4) are hollow cylinders with inner ends open, and the inner rotating shaft (7) penetrates through the shaft center roller (2) and is rotatably connected with the side wall of the shaft center roller (2).
6. The mixing and melting granulator according to claim 1, wherein the feed inlet (401) is located at the front side of the circumferential rotation direction of the inner and outer exchange cylinders (4), and a plurality of groups of discharge outlets (402) distributed at equal intervals in circumference are formed in the inner side of the inner and outer exchange cylinders (4).
7. The mixing and melting granulator according to claim 1, wherein the shaft center roller (2) is provided with a plurality of groups of inner and outer exchange cylinders (4) which are spirally and equidistantly distributed, and the extension lines of the inner and outer exchange cylinders (4) and the radial conveying roller (5) pass through the shaft center line of the shaft center roller (2).
8. A hybrid melting granulator according to claim 3, wherein the outer end outlet of the roller shaft (501) is nested with a piston cylinder (27) in sliding connection with the roller shaft, the piston cylinder (27) is abutted with a limit spring (28) arranged in the roller shaft (501), the piston cylinder (27) is of a hollow round table cylindrical structure, and the lower part of the piston cylinder is provided with a liquid outlet (2701).
9. The mixing and melting granulator according to claim 8, wherein the roller shaft (501) is provided with a sliding groove (5011) for the piston cylinder (27) to slide radially, the limiting spring (28) is nested in the sliding groove (5011), and the lower part of the piston cylinder (27) is provided with liquid outlets (2701) distributed at equal intervals in circumference.
10. A hybrid melting granulator according to claim 2, wherein the conical inner wall is provided with a plurality of layers of bars (26) circumferentially equidistant, the bars (26) being staggered with the stirring bars (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311044659.2A CN116749479B (en) | 2023-08-18 | 2023-08-18 | Mixed melting granulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311044659.2A CN116749479B (en) | 2023-08-18 | 2023-08-18 | Mixed melting granulator |
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| CN116749479B CN116749479B (en) | 2023-11-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234047A (en) * | 1996-03-04 | 1997-09-09 | Furuta Denki Kk | Granulator with stirrer |
| CN208583202U (en) * | 2018-05-28 | 2019-03-08 | 新昌县雅智电子科技有限公司 | A kind of agitating device of automatic feed back |
| CN209076464U (en) * | 2018-10-15 | 2019-07-09 | 福建拓天生物科技有限公司 | A kind of efficient trough type mixing machine |
| CN219427189U (en) * | 2023-02-01 | 2023-07-28 | 长兴天晟能源科技有限公司 | ABS modified particle processing granulator |
-
2023
- 2023-08-18 CN CN202311044659.2A patent/CN116749479B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09234047A (en) * | 1996-03-04 | 1997-09-09 | Furuta Denki Kk | Granulator with stirrer |
| CN208583202U (en) * | 2018-05-28 | 2019-03-08 | 新昌县雅智电子科技有限公司 | A kind of agitating device of automatic feed back |
| CN209076464U (en) * | 2018-10-15 | 2019-07-09 | 福建拓天生物科技有限公司 | A kind of efficient trough type mixing machine |
| CN219427189U (en) * | 2023-02-01 | 2023-07-28 | 长兴天晟能源科技有限公司 | ABS modified particle processing granulator |
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| CN116749479B (en) | 2023-11-24 |
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