CN114872233B - Renewable plastic hot melting recovery device - Google Patents
Renewable plastic hot melting recovery device Download PDFInfo
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- CN114872233B CN114872233B CN202210312740.3A CN202210312740A CN114872233B CN 114872233 B CN114872233 B CN 114872233B CN 202210312740 A CN202210312740 A CN 202210312740A CN 114872233 B CN114872233 B CN 114872233B
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- 229920003023 plastic Polymers 0.000 title claims abstract description 203
- 239000004033 plastic Substances 0.000 title claims abstract description 203
- 230000008018 melting Effects 0.000 title claims abstract description 32
- 238000002844 melting Methods 0.000 title claims abstract description 32
- 238000011084 recovery Methods 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 153
- 238000001035 drying Methods 0.000 claims abstract description 85
- 238000004140 cleaning Methods 0.000 claims abstract description 67
- 238000002347 injection Methods 0.000 claims abstract description 48
- 239000007924 injection Substances 0.000 claims abstract description 48
- 238000001746 injection moulding Methods 0.000 claims abstract description 31
- 239000012943 hotmelt Substances 0.000 claims abstract description 28
- 239000000155 melt Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 108
- 239000010865 sewage Substances 0.000 claims description 80
- 238000003756 stirring Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 29
- 238000005485 electric heating Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920000426 Microplastic Polymers 0.000 abstract description 16
- 239000000428 dust Substances 0.000 abstract description 15
- 239000008187 granular material Substances 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 21
- 230000009471 action Effects 0.000 description 13
- 239000002699 waste material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010786 composite waste Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
-
- B08B1/12—
-
- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/0476—Cutting or tearing members, e.g. spiked or toothed cylinders or intermeshing rollers
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a renewable plastic hot melting recovery device, and relates to the technical field of plastic production and processing, a machine body and an injection mold; the machine body is provided with a feed inlet; the crushing assembly is arranged in the machine body; the bottom of the crushing assembly is communicated with a cleaning assembly; the cleaning component is communicated with a drying component; the drying component is communicated with a hot melting component; the staff drops into the organism with the plastic part of retrieving from the feed inlet, the plastic part gets into broken subassembly, broken subassembly breaks into plastic granules with the plastic part, plastic granules passes through the pipeline and carries to cleaning assembly, cleaning assembly washs the dust on plastic granules surface clean, plastics granule through the washing passes through the stoving subassembly, the stoving subassembly is with the remaining water stain on plastic granules surface stoving, the plastics granule of surface drying melts into molten plastics through the heating of hot melt subassembly, molten plastics injection molding cools into brand-new plastic part in the middle of the injection mold.
Description
Technical Field
The invention relates to the technical field of plastic production and processing, in particular to a renewable plastic hot melting recovery device.
Background
The hot melting of the regenerated plastic is a recycling technology of waste plastic; namely, waste plastics are heated and melted into raw materials or products, including single-variety waste plastics regeneration and composite waste plastics regeneration; the former is to sort out waste plastics, separate, melt and granulate, and use alone or mix with new resin to process into products; the latter means that waste plastics are directly crushed without selection and separation after being collected together and are fused and processed into products;
in the prior art, in the process of recycling plastic, the plastic needs to be hot-melted, so that solid plastic is hot-melted into a liquid state, and the subsequent injection molding is facilitated, but the plastic is hot-melted, and a plastic part is generally directly put into a heating device and is melted by heating, but in the process, the melting efficiency of the plastic is low, and the phenomenon of incomplete melting can occur.
Disclosure of Invention
The invention aims to provide a renewable plastic hot melting recovery device which is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
a renewable plastic hot melt recycling apparatus comprising: a machine body and an injection mold; the machine body is provided with a feed inlet; the crushing assembly is arranged in the machine body; the crushing assembly is used for crushing the recycled plastic parts; the bottom of the crushing assembly is communicated with a cleaning assembly; the cleaning component cleans plastic particles; the cleaning component is communicated with a drying component; the drying component is used for drying the plastic particles; the drying component is communicated with a hot melting component; the hot melting assembly melts the plastic particles into plastic pieces;
the staff drops into the organism with the plastic part of retrieving from the feed inlet, the plastic part gets into broken subassembly, broken subassembly breaks into plastic granules with the plastic part, plastic granules passes through the pipeline and carries to cleaning assembly, cleaning assembly washs the dust on plastic granules surface clean, plastics granule through the washing passes through the stoving subassembly, the stoving subassembly is with the remaining water stain on plastic granules surface stoving, the plastics granule of surface drying melts into molten plastics through the heating of hot melt subassembly, molten plastics injection molding cools into brand-new plastic part in the middle of the injection mold.
Preferably, the crushing assembly comprises: a crushing cavity; the side wall of the crushing cavity is rotatably connected with a rotating shaft; one end of the rotating shaft penetrates through the side wall of the crushing cavity and is connected with a motor; the rotating shaft is provided with a crushing roller; the two crushing rollers relatively rotate; the side walls of the crushing cavity at the two sides of the crushing roller are provided with saw teeth; the bottom of the crushing cavity is provided with sieve holes;
the staff starts the motor, and motor drive pivot relative rotation drives crushing roller relative rotation when the pivot pivoted, and the staff drops into crushing intracavity with the plastic part of retrieving afterwards, and crushing roller will get into the broken plastic particle of plastic part in crushing chamber, and perhaps part plastic part falls between sawtooth and crushing roller, and the rotatory in-process of crushing roller will be located the plastic part of edge and take in between two crushing rollers, and the plastic part is broken into plastic particle under the effect of extrusion force, and the diameter is less than the plastic particle of sieve mesh diameter, drops to cleaning assembly in the follow sieve mesh.
Preferably, the cleaning assembly comprises: cleaning a barrel; a horn pipe is connected between the cleaning barrel and the crushing cavity; a drain pipe is arranged at one side of the cleaning barrel away from the horn pipe; a stirring rod is arranged in the cleaning barrel; the stirring rod penetrates through the bottom of the cleaning barrel and the sewage drain pipe to be connected with a motor; a brush is arranged on the inner wall of the cleaning barrel; a push plate is arranged on one side of the stirring rod, which is close to the bottom of the cleaning barrel; the bottom of the cleaning barrel is provided with a water outlet hole; the sewage drain pipe is communicated with the sewage tank; a sewage filtering device is arranged in the sewage tank; the sewage tank is provided with a water outlet pipe; a water pump is arranged in the water outlet pipe; the water outlet pipe penetrates through the machine body and is communicated with the horn tube;
the staff controls the motor to start through the controller, and the motor drives the stirring rod to rotate; starting a water pump by a worker, and spraying out the filtered water in the sewage tank from a water outlet pipe by the water pump; plastic particles falling from the sieve holes pass through the horn pipe, and mixed water falls into the cleaning barrel together; stirring rods on the stirring rod stir and clean plastic particles under the drive of a motor, the plastic particles are contacted with a brush under the action of the stirring rod, the brush brushes the surfaces of the plastic particles, and ash stains attached to the surfaces of the plastic particles are brushed off; when the plastic particles fall to the bottom of the cleaning barrel, the pushing plate pushes the plastic particles to the drying assembly for drying; since the diameter of the water outlet hole is smaller than that of the plastic particle, the plastic particle cannot pass through the water outlet hole; the water mixed with the ash stains flows into the sewage pipe through the water outlet, the water flows into the sewage tank through the sewage pipe, and the sewage filtering device in the sewage tank filters the sewage for reuse, so that water resources are saved, and the waste of the water resources is avoided.
Preferably, the drying assembly includes: a water draining pipe; the draining pipe is communicated with the cleaning barrel; one side of the draining pipe, which is far away from the cleaning barrel, is communicated with an inclined pipe; the bottoms of the water draining pipe and the inclined pipe are provided with water flowing holes; the drainage pipe and the inclined pipe are communicated with the sewage drain pipe through a pipeline; one side of the inclined tube, which is far away from the water draining tube, is communicated with a drying tube; a first auger is connected in the drying pipe in a sliding manner; the transmission shaft of the first auger passes through the inclined tube and the sewage discharge tube and is connected with the stirring rod through a bevel gear;
the plastic particles are pushed by the push plate to flow into the drain pipe together with sewage, the sewage is discharged into the drain pipe from the water holes, the plastic particles roll down into the drying pipe along the inclined pipe, and in the rolling process of the plastic particles, water drops attached to the surface flow out from the water holes formed in the bottom of the inclined pipe; when the staff starts the motor, and motor drive puddler pivoted is rotatory under bevel gear's drive, auger pivoted in-process, drives the plastics granule that gets into in the drying tube and moves forward, because hot melt subassembly carries out the hot melt to plastics granule, and the temperature that the hot melt produced is transmitted to in the drying tube, and plastics granule is dried by the drying tube in the transmission in-process of auger, and the drying tube is with the residual water stain stoving on plastics granule surface, avoids plastics granule when the hot melt, and the water stain evaporation on surface leads to the injection mold to contain steam in.
Preferably, the hot melt assembly includes: a hot melt tube; the hot melting pipe is communicated with the drying pipe; an electric heating wire is arranged in the hot melting pipe body; a second auger is connected in a sliding manner in the hot melting pipe; the transmission shaft of the second auger is connected with a motor through the bottom of the hot melt pipe; the top of the hot melt pipe is communicated with an injection molding port;
the staff starts the motor and the electric heating wire, and the electric heating wire starts to heat; the motor drives the second auger to rotate, the second auger rotates to transmit the dried plastic particles to one side far away from the drying pipe, the plastic particles are influenced by the heat of the electric heating wire in the conveying process of the second auger, the plastic particles are melted into molten plastic, the molten plastic possibly slides along the second auger, the molten plastic contacts with unmelted plastic particles in the sliding process, the molten plastic transmits the heat to the unmelted plastic particles, the surface temperature of the plastic particles rises, the melting speed of the plastic particles is accelerated, and the melting efficiency of the plastic particles is improved; and the molten plastic is transmitted to an injection molding opening under the transmission action of the second auger, and is injected into an injection mold through the injection molding opening to form an injection molding piece.
Preferably, cams are arranged on two sides of the crushing roller; an air bag is arranged around the bottom of the crushing cavity; an air inlet is formed in one side, penetrating through the crushing cavity, of the air bag, and a one-way valve is arranged in the air inlet; an air outlet is formed in one side, far away from the air inlet, of the cam, and a one-way valve is arranged in the air outlet;
the motor drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate, the air bag is impacted by the cam to deform in the rotating process of the cam, gas in the air bag is extruded to jack up the one-way valve in the air outlet and eject the air outlet, dust can be possibly generated when the crushing roller crushes plastic parts, and the gas ejected from the air outlet blows the dust upwards to avoid the dust falling into the cleaning barrel through the sieve holes. When the cam starts the surface of the air bag, the air bag is reset because the air pressure inside the air bag is lower than the air pressure outside the air bag, the air outside pushes the one-way valve inside the air inlet open, and the air enters the air bag from the air inlet.
Preferably, the top of the drying pipe is provided with an air outlet; a preheating cavity is arranged at one side of the air outlet hole away from the first auger; an injection mold is arranged at the top of the preheating cavity; a waterproof breathable film is obliquely arranged in the preheating cavity; the waterproof breathable film is fixedly connected to the inner wall of the preheating cavity through a pull rope; a drain pipe is arranged on the side wall of the preheating cavity;
the plastic particles are dried in the drying pipe, residual water stains on the surfaces of the plastic particles are evaporated into water vapor under the action of the drying pipe, the water vapor enters the preheating cavity through the air outlet hole, the water vapor climbs upwards to meet the waterproof breathable film, the water vapor permeates into one side of the waterproof breathable film far away from the air outlet hole, the permeated water vapor continues to climb to meet the injection mold, and the water vapor immediately preheats the injection mold due to certain heat, so that the temperature of the injection mold rises, and the incomplete injection molding of an injection molding part due to lower temperature of the injection mold is avoided when the molten plastic is injected into the injection mold; after the injection mold is preheated by the water vapor, the water vapor is condensed into water drops after temperature reduction, the water drops drop on the surface of the waterproof and breathable film, and the water drops slide to the drain pipe from the waterproof and breathable film due to the tension of the water drops and are discharged from the drain pipe.
Preferably, a triangular block is arranged on one side of the inclined tube, which is close to the drying tube;
when plastic particles slide from the inclined tube, part of sewage possibly enters the inclined tube and slides from the inclined tube to the drying tube, and due to the triangular blocks, the sewage is blocked by the triangular blocks when the sewage slides, so that the sewage cannot enter the drying tube, and incomplete drying of the plastic particles caused by the sewage entering the drying tube is avoided; the blocked sewage then flows into the sewage drain pipe through the water flowing hole.
Preferably, the bottom of the draining pipe is provided with an elastic plate; the elastic plate is connected with the bottom of the draining pipe through a spring; the spring is provided withSex characteristicsThe surface of the plate is provided with small holes;
sewage enters the drain pipe along with plastic particles, the plastic particles impact the elastic plate in the falling process, water drops attached to the surface are shaken off, and the sewage continuously flows downwards through the small holes in the falling process and flows into the drain pipe through the water flowing holes.
Compared with the prior art, the invention has the following beneficial effects:
1. plastic particles falling from the sieve holes pass through the horn pipe, and mixed water falls into the cleaning barrel together; stirring rods on the stirring rod stir and clean plastic particles under the drive of a motor, the plastic particles are contacted with a brush under the action of the stirring rod, the brush brushes the surfaces of the plastic particles, and ash stains attached to the surfaces of the plastic particles are brushed off; when the plastic particles fall to the bottom of the cleaning barrel, the pushing plate pushes the plastic particles to the drying assembly for drying; since the diameter of the water outlet hole is smaller than that of the plastic particle, the plastic particle cannot pass through the water outlet hole; the water mixed with the ash stains flows into the sewage pipe through the water outlet, the water flows into the sewage tank through the sewage pipe, and the sewage filtering device in the sewage tank filters the sewage for reuse, so that water resources are saved, and the waste of the water resources is avoided.
2. The motor drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate, the air bag is impacted by the cam to deform in the rotating process of the cam, gas in the air bag is extruded to jack up the one-way valve in the air outlet and eject the air outlet, dust can be possibly generated when the crushing roller crushes plastic parts, and the gas ejected from the air outlet blows the dust upwards to avoid the dust falling into the cleaning barrel through the sieve holes. When the cam starts the surface of the air bag, the air bag is reset because the air pressure inside the air bag is lower than the air pressure outside the air bag, the air outside pushes the one-way valve inside the air inlet open, and the air enters the air bag from the air inlet.
3. The plastic particles are dried in the drying pipe, residual water stains on the surfaces of the plastic particles are evaporated into water vapor under the action of the drying pipe, the water vapor enters the preheating cavity through the air outlet hole, the water vapor climbs upwards to meet the waterproof breathable film, the water vapor permeates into one side of the waterproof breathable film far away from the air outlet hole, the permeated water vapor continues to climb to meet the injection mold, and the water vapor immediately preheats the injection mold due to certain heat, so that the temperature of the injection mold rises, and the incomplete injection molding of an injection molding part due to lower temperature of the injection mold is avoided when the molten plastic is injected into the injection mold; after the injection mold is preheated by the water vapor, the water vapor is condensed into water drops after temperature reduction, the water drops drop on the surface of the waterproof and breathable film, and the water drops slide to the drain pipe from the waterproof and breathable film due to the tension of the water drops and are discharged from the drain pipe.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a main body diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
fig. 5 is an enlarged view at a in fig. 3;
FIG. 6 is an enlarged view at B in FIG. 3;
FIG. 7 is an enlarged view at C in FIG. 3;
FIG. 8 is an enlarged view of FIG. 3 at D
Fig. 9 is an enlarged view at E in fig. 3.
In the figure: 1. a body; 11. a feed inlet;
2. a crushing assembly; 21. a crushing cavity; 211. a sieve pore; 22. a rotating shaft; 23. a crushing roller; 24. saw teeth; 25. a cam; 26. an air bag; 261. an air inlet; 262. an air outlet;
3. cleaning the assembly; 31. cleaning a barrel; 311. an air outlet hole; 32. a horn tube; 33. a blow-down pipe; 34. a stirring rod; 35. a brush; 36. a push plate; 311. a water outlet hole; 37. a sewage tank; 38. a water outlet pipe;
4. a drying assembly; 41. a water draining pipe; 411. a water flow hole; 412. an elastic plate; 413. a small hole; 42. a chute; 421. triangular blocks; 43. a drying tube; 431. an air outlet hole; 44. a first auger; 45. a preheating chamber; 46. a waterproof breathable film; 47. a drain pipe;
5. a hot melt assembly; 51. a hot melt tube; 52. a second auger; 53. and (5) an injection molding port.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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 be within the scope of the invention.
Referring to fig. 1 to 9, the present invention provides the following technical solutions:
a renewable plastic hot melt recycling apparatus comprising: a machine body 1 and an injection mold; the machine body 1 is provided with a feed inlet 11; a crushing assembly 2 is arranged in the machine body 1; the crushing assembly 2 is used for crushing the recycled plastic parts; the bottom of the crushing assembly 2 is communicated with a cleaning assembly 3; the cleaning component 3 is used for cleaning plastic particles; the cleaning component 3 is communicated with a drying component 4; the drying component 4 is used for drying the plastic particles; the drying component 4 is communicated with a hot melting component 5; the hot melting assembly 5 melts the plastic particles into plastic pieces;
the staff drops into organism 1 with the plastic part of retrieving from feed inlet 11, the plastic part gets into broken subassembly 2, broken subassembly 2 breaks into plastic granules with the plastic part, plastic granules passes through the pipeline and carries to cleaning subassembly 3, cleaning subassembly 3 washs the dust on plastic granules surface clean, the plastic granules that pass through the washing passes through stoving subassembly 4, stoving subassembly 4 is with the remaining water stain stoving on plastic granules surface, the plastics granule of surface drying melts into molten plastics through the heating of hot melt subassembly 5, molten plastics injection molding cools into brand-new plastic part in the middle of the injection mold.
As a specific embodiment of the present invention, the crushing assembly 2 includes: a crushing chamber 21; the side wall of the crushing cavity 21 is rotatably connected with a rotating shaft 22; one end of the rotating shaft 22 penetrates through the side wall of the crushing cavity 21 and is connected with a motor; the crushing roller 23 is arranged on the rotating shaft 22; the two crushing rollers 23 are rotated relatively; the side walls of the crushing cavity 21 at the two sides of the crushing roller 23 are provided with saw teeth 24; the bottom of the crushing cavity 21 is provided with a sieve mesh 211;
the staff starts the motor, and motor drive pivot 22 relative rotation, and the pivot 22 rotates, drives crushing roller 23 relative rotation, and the staff drops into crushing chamber 21 with the plastic parts that retrieve afterwards, and crushing roller 23 will get into the plastic granules of crushing chamber 21, and perhaps some plastic parts fall between sawtooth 24 and crushing roller 23, and the rotatory in-process of crushing roller 23 will lie in the plastic parts of edge take in between two crushing rollers 23, and the plastic parts is broken into plastic granules under the effect of extrusion force, and the diameter is less than the plastic granules of sieve mesh 211 diameter, drops to cleaning assembly 3 from the sieve mesh 211.
As a specific embodiment of the present invention, the two sides of the crushing roller 23 are provided with cams 25; an air bag 26 is arranged around the bottom of the crushing cavity 21; an air inlet 261 is formed in one side of the air bag 26 penetrating through the crushing cavity 21, and a one-way valve is arranged in the air inlet 261; an air outlet 262 is arranged on one side of the cam 25 away from the air inlet 261, and a one-way valve is arranged in the air outlet 262;
when the motor drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the cam 25 to rotate, the cam 25 impacts the air bag 26 in the rotating process, the air bag 26 is impacted and extruded by the cam 25 to deform, gas in the air bag 26 is extruded to jack up the one-way valve in the air outlet 262 and is ejected from the air outlet 262, dust can be possibly generated when the crushing roller 23 crushes plastic parts, and the gas ejected from the air outlet 262 blows the dust upwards to prevent the dust from falling into the cleaning barrel 31 through the sieve holes 211. When the cam 25 lifts the surface of the airbag 26, since the internal air pressure of the airbag 26 is lower than the external air pressure, the external air lifts the check valve in the air inlet 261 and enters the airbag 26 from the air inlet 261, resetting the airbag 26.
As a specific embodiment of the present invention, the cleaning module 3 includes: a washing tub 31; a horn tube 32 is connected between the cleaning barrel 31 and the crushing cavity 21; a drain pipe 33 is arranged on one side of the cleaning barrel 31 away from the horn pipe 32; a stirring rod 34 is arranged in the cleaning barrel 31; the stirring rod 34 passes through the bottom of the cleaning barrel 31 and the drain pipe 33 to be connected with a motor; the inner wall of the cleaning barrel 31 is provided with a brush 35; a push plate 36 is arranged on one side of the stirring rod 34, which is close to the bottom of the cleaning barrel 31; the bottom of the cleaning barrel is provided with a water outlet hole 311; the sewage drain pipe 33 is communicated with a sewage tank 37; a sewage filtering device is arranged in the sewage tank 37; the sewage tank 37 is provided with a water outlet pipe 38; a water pump is arranged in the water outlet pipe 38; the water outlet pipe 38 passes through the machine body 1 and is communicated with the horn tube 32;
the staff controls the motor to start through the controller, and the motor drives the stirring rod 34 to rotate; the staff starts the water pump, and the water pump sprays the water outlet pipe 38 after the filtration in the sewage tank 37; plastic particles falling from the sieve holes 211 pass through the horn tube 32, and mixed water falls into the cleaning barrel 31 together; stirring rods on the stirring rod 34 stir and clean plastic particles under the drive of a motor, the plastic particles are contacted with a brush 35 under the action of the stirring rod 34, the brush 35 brushes the surfaces of the plastic particles, and ash stains attached to the surfaces of the plastic particles are brushed off; the ash is prevented from entering the hot melting assembly 5, so that the injection quality of the injection molding piece is reduced; when the plastic particles fall to the bottom of the cleaning barrel 31, the push plate 36 pushes the plastic particles to the drying assembly 4 for drying; since the diameter of the water outlet hole 311 is smaller than that of the plastic particle, the plastic particle cannot pass through the water outlet hole 311; the water mixed with the ash stain flows into the sewage pipe 33 through the water outlet hole 311, the water flows into the sewage tank 37 through the sewage pipe 33, and the sewage filter device in the sewage tank 37 filters the sewage for reuse, so that water resources are saved, and the waste of the water resources is avoided.
As a specific embodiment of the present invention, the drying assembly 4 includes: a drain pipe 41; the draining pipe 41 is communicated with the cleaning barrel 31; an inclined pipe 42 is communicated with one side of the draining pipe 41 away from the cleaning barrel 31; the bottoms of the draining pipe 41 and the inclined pipe 42 are provided with a water flowing hole 411; the draining pipe 41 and the inclined pipe 42 are communicated with the drain pipe 33 through pipelines; a drying pipe 43 is communicated with one side of the inclined pipe 42 away from the draining pipe 41; an electric heating wire is arranged in the tube body of the drying tube 43; a first auger 44 is slidably connected to the drying pipe 43; the transmission shaft of the first auger 44 passes through the inclined pipe 42 and the blow-down pipe 33 and is connected with the stirring rod 34 through a bevel gear;
the plastic particles are pushed by the push plate 36 to flow into the drain pipe 41 together with sewage, the sewage is discharged from the water hole 411 into the drain pipe 33, the plastic particles roll down into the drying pipe 43 along the inclined pipe 42, and in the rolling process of the plastic particles, water drops attached to the surface flow out from the water hole 411 formed at the bottom of the inclined pipe 42; when the staff starts the motor, the motor drives the stirring rod 34 to rotate, the first auger 44 rotates under the drive of the bevel gear, the first auger 44 rotates, in-process drives plastic particles entering the drying pipe 43 to move forwards, the staff starts the electric heating wire, the electric heating wire generates high temperature, the high temperature dries the plastic particles, the plastic particles are dried by the drying pipe 43 in the transmission process of the first auger 44, the drying pipe 43 dries residual water stains on the surfaces of the plastic particles, the plastic particles are prevented from being melted by heat, the water stains on the surfaces are evaporated, steam is contained in the injection mold, and the dried plastic particles are accumulated on one side of the first auger 44 close to the hot melting assembly 5.
As a specific embodiment of the present invention, the bottom of the draining pipe 41 is provided with an elastic plate 412; the elastic plate 412 is connected with the bottom of the draining pipe 41 through a spring; the surface of the spring plate 412 is provided with a small hole 413;
the sewage enters the drain pipe 41 along with the plastic particles, the plastic particles impact the elastic plate 412 in the falling process, water drops attached to the surface are shaken off, and the sewage continues to flow downwards through the small holes 413 in the falling process and flows into the drain pipe 33 through the water flowing holes 411.
As a specific embodiment of the present invention, a triangular block 421 is disposed on one side of the inclined tube 42 near the drying tube 43;
when plastic particles slide from the inclined tube 42, part of sewage possibly enters the inclined tube 42 and slides from the inclined tube 42 to the drying tube 43, and due to the triangular block 421, the sewage is blocked by the triangular block 421 when the sewage slides, so that the sewage cannot enter the drying tube 43, and the phenomenon that the sewage enters the drying tube 43 to cause incomplete drying of the plastic particles is avoided; the blocked sewage then flows into the sewage drain pipe 33 through the water flow hole 411.
As a specific embodiment of the present invention, the top of the drying tube 43 is provided with an air outlet 431; a preheating cavity 45 is arranged at one side of the air outlet hole 431 far away from the first auger 44, and a mold for injection molding is arranged at the top of the preheating cavity 45 in a sliding manner; a waterproof breathable film 46 is diagonally arranged in the preheating cavity 45; the waterproof breathable film 46 is fixedly connected to the inner wall of the preheating cavity 45 through a pull rope; a drain pipe 47 is arranged on the side wall of the preheating cavity 45;
the plastic particles are dried in the drying pipe 43, residual water stains on the surfaces of the plastic particles are evaporated into water vapor under the action of the drying pipe 43, the water vapor enters the preheating cavity 45 through the air outlet hole 431, the water vapor climbs upwards to meet the waterproof breathable film 46, the water vapor permeates into one side of the waterproof breathable film 46 far away from the air outlet hole 431, the permeated water vapor continues to climb to meet the injection mold, and the water vapor immediately preheats the injection mold due to certain heat of the water vapor, so that the temperature of the injection mold rises, and incomplete injection molding of an injection molding part due to lower temperature of the injection mold is avoided when the injection mold is injected with molten plastic; after the injection mold is preheated by the water vapor, the water vapor is condensed into water drops after the temperature is reduced, the water drops drop on the surface of the waterproof and breathable film 46, and due to the tension of the water drops, the water drops slide from the waterproof and breathable film 46 to the drain pipe 47 and are discharged from the drain pipe 47; when one mold performs injection molding, the bottom of the mold waiting for injection molding is contacted with water vapor, and the water vapor preheats the mold; after the injection of the mold is completed, the mold waiting for injection is moved to the bottom of the injection port 53 for injection, and the subsequent mold is slid to the top of the preheating chamber 45 for preheating.
As a specific embodiment of the present invention, the hot melt assembly 5 includes: a hot melt tube 51; the hot melting pipe 51 is communicated with the drying pipe 43; an electric heating wire is arranged in the hot melting pipe 51; the power of the electric heating wire in the hot melting pipe 51 is larger than that of the electric heating wire in the drying pipe 43; a second auger 52 is slidably connected to the hot melt pipe 51; the transmission shaft of the second auger 52 is connected with a motor through the bottom of the hot melt pipe 51; the top of the hot melt pipe 51 is communicated with an injection molding opening 53;
the staff starts the motor and the electric heating wire, and the electric heating wire starts to heat; the motor drives the second auger 52 to rotate, because a large amount of plastic particles are piled up at the communication position of the drying pipe 43 and the hot melting pipe 51, the second auger 52 rotates to transmit the dried plastic particles to one side far away from the drying pipe 43, the plastic particles are affected by the heat of the electric heating wire in the conveying process of the second auger 52, the plastic particles are hot melted into molten plastic, the molten plastic is transmitted to the injection molding opening 53 under the transmission effect of the second auger 52, and the molten plastic is injected into an injection mold through the injection molding opening 53 to form an injection molding piece.
The working principle of the invention is as follows:
the motor is started by a worker, the motor drives the rotating shaft 22 to rotate relatively, the rotating shaft 22 rotates and drives the crushing rollers 23 to rotate relatively, then the worker inputs the recovered plastic pieces into the crushing cavity 21, the crushing rollers 23 crush the plastic pieces entering the crushing cavity 21 into plastic particles, possibly part of the plastic pieces fall between the saw teeth 24 and the crushing rollers 23, the plastic pieces positioned at the edge are brought between the two crushing rollers 23 in the rotating process of the crushing rollers 23, the plastic pieces crush the plastic pieces into plastic particles under the action of extrusion force, and the plastic particles with diameters smaller than the diameters of the sieve holes 211 fall into the cleaning assembly 3 from the sieve holes 211;
when the motor drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the cam 25 to rotate, the cam 25 impacts the air bag 26 in the rotating process, the air bag 26 is impacted and extruded by the cam 25 to deform, gas in the air bag 26 is extruded to jack up the one-way valve in the air outlet 262 and is ejected from the air outlet 262, dust can be possibly generated when the crushing roller 23 crushes plastic parts, and the gas ejected from the air outlet 262 blows the dust upwards to prevent the dust from falling into the cleaning barrel 31 through the sieve holes 211. When the cam 25 lifts up the surface of the air bag 26, the air bag 26 is reset by the outside air pushing up the one-way valve in the air inlet 261 and entering the air bag 26 from the air inlet 261 because the air pressure inside the air bag 26 is lower than the outside air pressure;
the staff controls the motor to start through the controller, and the motor drives the stirring rod 34 to rotate; the staff starts the water pump, and the water pump sprays the water outlet pipe 38 after the filtration in the sewage tank 37; plastic particles falling from the sieve holes 211 pass through the horn tube 32, and mixed water falls into the cleaning barrel 31 together; stirring rods on the stirring rod 34 stir and clean plastic particles under the drive of a motor, the plastic particles are contacted with a brush 35 under the action of the stirring rod 34, the brush 35 brushes the surfaces of the plastic particles, and ash stains attached to the surfaces of the plastic particles are brushed off; when the plastic particles fall to the bottom of the cleaning barrel 31, the push plate 36 pushes the plastic particles to the drying assembly 4 for drying; since the diameter of the water outlet hole 311 is smaller than that of the plastic particle, the plastic particle cannot pass through the water outlet hole 311; the water mixed with the ash stain flows into the sewage pipe 33 through the water outlet hole 311, the water flows into the sewage tank 37 through the sewage pipe 33, and the sewage filtering device in the sewage tank 37 filters the sewage for reuse, so that water resources are saved, and the waste of the water resources is avoided;
the plastic particles are pushed by the push plate 36 to flow into the drain pipe 41 together with sewage, the sewage is discharged from the water hole 411 into the drain pipe 33, the plastic particles roll down into the drying pipe 43 along the inclined pipe 42, and in the rolling process of the plastic particles, water drops attached to the surface flow out from the water hole 411 formed at the bottom of the inclined pipe 42; when a worker starts a motor, the motor drives the stirring rod 34 to rotate, the first auger 44 is driven by a bevel gear to rotate, in the process of rotating the first auger 44, plastic particles entering the drying pipe 43 are driven to move forwards, the worker starts an electric heating wire, the electric heating wire generates high temperature, the high temperature dries the plastic particles, the plastic particles are dried by the drying pipe 43 in the transmission process of the first auger 44, the drying pipe 43 dries residual water stains on the surfaces of the plastic particles, the plastic particles are prevented from being heated, the water stains on the surfaces are prevented from evaporating when being melted, steam is contained in an injection mold, and the dried plastic particles are accumulated on one side of the first auger 44 close to the hot melting assembly 5;
sewage enters the drain pipe 41 along with plastic particles, the plastic particles impact the elastic plate 412 in the falling process to shake off water drops attached to the surface, and the sewage continuously flows downwards through the small holes 413 in the falling process and flows into the drain pipe 33 through the water flow holes 411;
when plastic particles slide from the inclined tube 42, part of sewage possibly enters the inclined tube 42 and slides from the inclined tube 42 to the drying tube 43, and due to the triangular block 421, the sewage is blocked by the triangular block 421 when the sewage slides, so that the sewage cannot enter the drying tube 43, and the phenomenon that the sewage enters the drying tube 43 to cause incomplete drying of the plastic particles is avoided; the blocked sewage then flows into the sewage drain pipe 33 through the water flow hole 411;
the plastic particles are dried in the drying pipe 43, residual water stains on the surfaces of the plastic particles are evaporated into water vapor under the action of the drying pipe 43, the water vapor enters the preheating cavity 45 through the air outlet hole 431, the water vapor climbs upwards to meet the waterproof breathable film 46, the water vapor permeates into one side of the waterproof breathable film 46 far away from the air outlet hole 431, the permeated water vapor continues to climb to meet the injection mold, and the water vapor immediately preheats the injection mold due to certain heat of the water vapor, so that the temperature of the injection mold rises, and incomplete injection molding of an injection molding part due to lower temperature of the injection mold is avoided when the injection mold is injected with molten plastic; after the injection mold is preheated by the water vapor, the water vapor is condensed into water drops after the temperature is reduced, the water drops drop on the surface of the waterproof and breathable film 46, and due to the tension of the water drops, the water drops slide from the waterproof and breathable film 46 to the drain pipe 47 and are discharged from the drain pipe 47; when one mold performs injection molding, the bottom of the mold waiting for injection molding is contacted with water vapor, and the water vapor preheats the mold; after the injection of the mold is completed, the mold waiting for injection is moved to the bottom of the injection port 53 for injection, and the subsequent mold slides to the top of the preheating cavity 45 for preheating;
the staff starts the motor and the electric heating wire, and the electric heating wire starts to heat; the motor drives the second auger 52 to rotate, because a large amount of plastic particles are piled up at the communication position of the drying pipe 43 and the hot melting pipe 51, the second auger 52 rotates to transmit the dried plastic particles to one side far away from the drying pipe 43, the plastic particles are affected by the heat of the electric heating wire in the conveying process of the second auger 52, the plastic particles are hot melted into molten plastic, the molten plastic is transmitted to the injection molding opening 53 under the transmission effect of the second auger 52, and the molten plastic is injected into an injection mold through the injection molding opening 53 to form an injection molding piece.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A renewable plastic hot melt recycling apparatus comprising: a machine body (1) and an injection mold; the method is characterized in that: a feed inlet (11) is formed in the machine body (1); a crushing assembly (2) is arranged in the machine body (1); the crushing assembly (2) is used for crushing the recycled plastic parts; the bottom of the crushing assembly (2) is communicated with a cleaning assembly (3); the cleaning component (3) is used for cleaning the plastic particles; the cleaning component (3) is communicated with a drying component (4); the drying component (4) is used for drying the plastic particles; the drying component (4) is communicated with a hot melting component (5); the hot melting assembly (5) melts the plastic particles into plastic pieces;
the crushing assembly (2) comprises: a crushing chamber (21); the side wall of the crushing cavity (21) is rotatably connected with a rotating shaft (22); one end of the rotating shaft (22) penetrates through the side wall of the crushing cavity (21) and is connected with a motor; the rotating shaft (22) is provided with a crushing roller (23); -the two crushing rolls (23) are rotated relatively; the side walls of the crushing cavity (21) at the two sides of the crushing roller (23) are provided with saw teeth (24); the bottom of the crushing cavity (21) is provided with a sieve hole (211);
the cleaning assembly (3) comprises: a washing tub (31); a horn tube (32) is connected between the cleaning barrel (31) and the crushing cavity (21); a drain pipe (33) is arranged at one side of the cleaning barrel (31) far away from the horn pipe (32); a stirring rod (34) is arranged in the cleaning barrel (31); the stirring rod (34) penetrates through the bottom of the cleaning barrel (31) and the drain pipe (33) to be connected with a motor; a brush (35) is arranged on the inner wall of the cleaning barrel (31); a push plate (36) is arranged on one side of the stirring rod (34) close to the bottom of the cleaning barrel (31); the bottom of the cleaning barrel is provided with a water outlet hole (311); the sewage drain pipe (33) is communicated with the sewage tank (37); a sewage filtering device is arranged in the sewage tank (37); the sewage tank (37) is provided with a water outlet pipe (38); a water pump is arranged in the water outlet pipe (38); the water outlet pipe (38) penetrates through the machine body (1) and is communicated with the horn tube (32);
the drying assembly (4) comprises: a drain pipe (41); the draining pipe (41) is communicated with the cleaning barrel (31); one side of the draining pipe (41) far away from the cleaning barrel (31) is communicated with an inclined pipe (42); the bottoms of the draining pipe (41) and the inclined pipe (42) are provided with water holes (411); the draining pipe (41) and the inclined pipe (42) are communicated with the drain pipe (33) through a pipeline; one side of the inclined pipe (42) far away from the water draining pipe (41) is communicated with a drying pipe (43); a first auger (44) is connected in a sliding manner in the drying pipe (43); the transmission shaft of the first auger (44) penetrates through the inclined pipe (42) and the sewage draining pipe (33) and is connected with the stirring rod (34) through a bevel gear;
an air outlet hole (431) is formed in the top of the drying pipe (43); a preheating cavity (45) is arranged at one side of the air outlet hole (431) far away from the first auger (44); an injection mold is arranged at the top of the preheating cavity (45); a waterproof breathable film (46) is obliquely arranged in the preheating cavity (45); the waterproof breathable film (46) is fixedly connected to the inner wall of the preheating cavity (45) through a pull rope; a drain pipe (47) is arranged on the side wall of the preheating cavity (45).
2. The renewable plastic hot melt recycling apparatus according to claim 1, wherein: the hot melt assembly (5) comprises: a hot melt tube (51); the hot melting pipe (51) is communicated with the drying pipe (43); an electric heating wire is arranged in the tube body of the hot melting tube (51); a second auger (52) is connected in a sliding manner in the hot melting pipe (51); a transmission shaft of the second auger (52) is connected with a motor through the bottom of the hot melt pipe (51); the top of the hot melting pipe (51) is communicated with an injection molding opening (53).
3. The renewable plastic hot melt recycling apparatus according to claim 1, wherein: cams (25) are arranged on two sides of the crushing roller (23); an air bag (26) is arranged around the bottom of the crushing cavity (21); an air inlet (261) is formed in one side, penetrating through the crushing cavity (21), of the air bag (26), and a one-way valve is arranged in the air inlet (261); an air outlet (262) is arranged on one side, far away from the air inlet (261), of the cam (25), and a one-way valve is arranged in the air outlet (262).
4. The renewable plastic hot melt recycling apparatus according to claim 1, wherein: and a triangular block (421) is arranged on one side of the inclined tube (42) close to the drying tube (43).
5. The renewable plastic hot melt recycling apparatus according to claim 1, wherein: an elastic plate (412) is arranged at the bottom of the draining pipe (41); the elastic plate (412) is connected with the bottom of the draining pipe (41) through a spring; and small holes (413) are formed in the surface of the elastic plate (412).
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| CN202210312740.3A CN114872233B (en) | 2022-03-28 | 2022-03-28 | Renewable plastic hot melting recovery device |
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| CN202210312740.3A CN114872233B (en) | 2022-03-28 | 2022-03-28 | Renewable plastic hot melting recovery device |
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