CN114043702A - Plastic particle manufacturing equipment and manufacturing process - Google Patents
Plastic particle manufacturing equipment and manufacturing process Download PDFInfo
- Publication number
- CN114043702A CN114043702A CN202111181701.6A CN202111181701A CN114043702A CN 114043702 A CN114043702 A CN 114043702A CN 202111181701 A CN202111181701 A CN 202111181701A CN 114043702 A CN114043702 A CN 114043702A
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- plastic
- screening
- fixedly connected
- recovery
- plate
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- 229920003023 plastic Polymers 0.000 title claims abstract description 134
- 239000004033 plastic Substances 0.000 title claims abstract description 134
- 239000002245 particle Substances 0.000 title claims abstract description 116
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000012216 screening Methods 0.000 claims abstract description 86
- 238000011084 recovery Methods 0.000 claims abstract description 81
- 238000007789 sealing Methods 0.000 claims abstract description 78
- 229920000426 Microplastic Polymers 0.000 claims abstract description 38
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000005469 granulation Methods 0.000 claims abstract description 21
- 230000003179 granulation Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 34
- 238000004064 recycling Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000007873 sieving Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000007909 melt granulation Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- 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
- B29C48/275—Recovery or reuse of energy or materials
- B29C48/277—Recovery or reuse of energy or materials of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- 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
- 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
- B29B9/16—Auxiliary treatment of granules
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses plastic particle manufacturing equipment and a manufacturing process in the technical field of plastic particle manufacturing, and the plastic particle manufacturing equipment comprises a sealing shell, wherein a granulating mechanism for extruding and granulating is arranged on the inner side outside the sealing shell, a screening mechanism for screening out plastic particles meeting requirements is arranged at the bottom of the granulating mechanism, and a recovery mechanism for alternately conveying the screened plastic particles which do not meet the requirements back to the granulating mechanism for re-granulating is arranged on the right side of the screening mechanism; the plastic granules are continuously conveyed and recovered into the melting box in a staggered mode through the granulating mechanism, the screening mechanism and the recovering mechanism, so that the manufactured plastic granules are all plastic granules meeting the requirements, and in the conveying process, larger and smaller plastic granules are recovered in a staggered mode, the plastic granules which are recovered are prevented from flowing back to influence the recovery of other positions, the recovery and granulation of the plastic granules are facilitated, and the manufactured plastic granules can meet the requirements.
Description
Technical Field
The invention relates to the technical field of plastic particle manufacturing, in particular to plastic particle manufacturing equipment and a manufacturing process.
Background
The plastic particles, as the name suggests, are granular plastics which can be further processed into various plastic products. The plastic particles are prepared by mixing and melting plastic raw materials and various master batches, and then extruding and molding the mixture by an extruder.
In the prior art, when molten plastic is extruded and granulated, impurities such as gas or other dust existing in the molten plastic easily cause size difference of prepared plastic particles, the size difference of the plastic particles required by each batch of production cannot be too large, the plastic particles with proper size need to be screened out, and excessive or too small plastic particles are discharged, so that waste is easily caused.
Based on the above, the invention designs a plastic particle manufacturing device and a manufacturing process, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide plastic particle manufacturing equipment and a manufacturing process, and aims to solve the problems that in the prior art, when molten plastic is extruded and granulated, impurities such as gas or other dust existing in the molten plastic easily cause size difference of prepared plastic particles, the size difference of the plastic particles required by each batch production cannot be too large, the plastic particles with proper sizes need to be screened, and excessive or too small plastic particles are discharged, so that waste is easily caused.
In order to achieve the purpose, the invention provides the following technical scheme: a plastic particle manufacturing device comprises a sealing shell, wherein a granulating mechanism for extruding and granulating is arranged on the inner side outside the sealing shell, a screening mechanism for screening out plastic particles meeting requirements is arranged at the bottom of the granulating mechanism, and a recovery mechanism for alternately conveying the screened plastic particles which do not meet the requirements back to the granulating mechanism for re-granulation is arranged on the right side of the screening mechanism;
the extrusion granulation mechanism comprises a feed inlet, the feed inlet is formed in the left side wall of the sealing shell, a melting box is fixedly connected to the inner side wall of the sealing shell, an extrusion plate is connected to the inside of the melting box in a sliding mode, a hydraulic cylinder is fixedly connected to the top of the extrusion plate, the hydraulic cylinder is fixedly connected to the top surface of the inside of the sealing shell, an extrusion hole is formed in the bottom of the melting box, an electric cylinder is fixedly connected to the inner side wall of the sealing shell, a cutting knife is fixedly connected to the inner end of the electric cylinder, the cutting knife is located on the side face of the bottom of the melting box, and a cooling box is connected to the bottom of the melting box;
the screening mechanism comprises a first screening plate and a second screening plate, the first screening plate and the second screening plate are obliquely and fixedly connected to the inner side wall of the sealing shell, the first screening plate is located above the second screening plate, the left end of the first screening plate is high, the right end of the first screening plate is low, the left end of the second screening plate is low, the right end of the second screening plate is high, a discharge hole is formed in the left side wall of the sealing shell, the first screening plate is used for screening large plastic particles, and the second screening plate is used for screening plastic particles with the size meeting the requirements;
the recovery mechanism comprises a recovery box which is fixedly connected on the right side wall of the sealing shell, two first transmission rollers are rotatably connected on the inner side wall of the recovery box, the two first transmission rollers are jointly connected with a first wheel belt in a transmission way, a plurality of recovery plates distributed along the edge of the first belt are fixedly connected on the outer surface of the first belt, the recovery plate is contacted with the recovery box and the side wall of the sealing shell, the rear end of the first transmission roller is fixedly connected with a driving motor, the driving motor is fixedly connected on the rear side wall of the recycling tank, the right side wall of the sealing shell is provided with a first discharge hole, a second discharge hole and a recycling port, the first discharge hole is positioned below the second discharge hole, the bottom surface of the second discharge hole is flush with the top surface of the first screening plate, the side wall of the recovery plate is connected with a limiting mechanism for the recovery plate to alternatively recover unqualified plastic particles;
the limiting mechanism comprises a first sealing plate, the first sealing plate is rotatably connected to the top of a first discharge port, first pushing blocks are fixedly connected to the front side wall and the rear side wall of the first sealing plate, an arc-shaped chute for the first pushing blocks to slide is formed in the inner side wall of the sealing shell, a plurality of recovery plates are alternately and fixedly connected with second pushing blocks, the second pushing blocks are used for opening the first sealing plate when extruding the first pushing blocks, the top of the second discharge port is rotatably connected with a second sealing plate through a torsional spring, the torsional spring is used for enabling the second sealing plate to rotate to be in a horizontal state, a pull rope is wound on the outer surface of a rotating shaft of the second sealing plate, a third pushing block is fixedly connected to the bottom end of the pull rope, a first chute for the third pushing block to slide transversely is formed in the inner side wall of the sealing shell, and an air spring is fixedly connected in front of the first chute and the third pushing block, the second pushing block is used for extruding the third pushing block to enable the second sealing plate to seal the second discharge hole;
the recovery box comprises two recovery plates, wherein the recovery plates are arranged in a cavity of the recovery box, the recovery plates are arranged in the cavity of the recovery box, the stirring plates are connected between every two adjacent recovery plates in a sliding mode, the stirring plates are made of plastic materials, a first sliding rod is fixedly connected to the front side wall and the rear side wall of each stirring plate, a second sliding groove is formed in the inner side wall of the recovery box, the first sliding rod slides in the second sliding groove, and the second sliding groove is used for enabling the stirring plates to push plastic particles to be completely discharged out of the recovery plates when the recovery plates drive the plastic particles to move to a recovery port;
the inner side wall of the sealing shell is fixedly connected with a guide plate, the guide plate is positioned at the bottom of a first screening plate, the guide plate and the first screening plate are obliquely arranged in the same direction, the inner side wall of the sealing shell is rotatably connected with a plurality of first stirring shafts, the first stirring shafts are positioned at the top of a second screening plate, the first stirring shafts are used for stirring plastic particles, the rear end of each first stirring shaft is fixedly connected with a rotating wheel, the rotating wheels are in transmission connection through a second wheel belt, the rear end of one first stirring shaft is fixedly connected with a first motor, and the first motor is fixedly connected to the rear side wall of the sealing shell;
a second stirring shaft which is rotatably connected to the sealing shell is arranged on the left side of the second recovery port and is positioned above the first screening plate, the second stirring shaft is used for stirring plastic particles, a second motor is fixedly connected to the rear end of the second stirring shaft, and the second motor is fixedly connected to the rear side wall of the sealing shell;
a plastic particle manufacturing process comprises the following specific steps:
the method comprises the following steps: firstly, adding broken plastics to be subjected to melt granulation into a granulation mechanism for melt granulation;
step two: screening the manufactured plastic particles by using a screening mechanism to remove the plastic particles with unqualified sizes;
step three: recovering unqualified plastic particles by using a recovery mechanism, and conveying the plastic particles to a granulation mechanism for remelting granulation;
step four: and discharging qualified plastic particles from the discharge port to finish the plastic particle manufacturing.
Compared with the prior art, the invention has the beneficial effects that:
1. the plastic granules are continuously conveyed and recovered into the melting box in a staggered mode through the granulating mechanism, the screening mechanism and the recovering mechanism, so that the manufactured plastic granules are all plastic granules meeting the requirements, and in the conveying process, larger and smaller plastic granules are recovered in a staggered mode, the plastic granules which are recovered are prevented from flowing back to influence the recovery of other positions, the recovery and granulation of the plastic granules are facilitated, and the manufactured plastic granules can meet the requirements.
2. The invention connects the kick-out plate between two adjacent recovery plates in a sliding way, when the recovery plates are vertically lifted, the kick-out plate at the inner side of the recovery plates is limited by the second chute and is always attached to the outer surface of the first wheel belt, plastic particles are not extruded at the time, when the recovery plates drive the plastic particles to move to the recovery port, the first slide bar slides outwards along the second chute, the first slide bar drives the kick-out plate to move outwards, the plastic particles at the outer side of the kick-out plate are slowly pressurized to the recovery port, the plastic particles are completely discharged, the second chute limits the first slide bar, the first slide bar drives the kick-out plate to move again to reset along with the continuous rotation of the recovery plates, the plastic particles at the next wheel are recovered by contacting with the outer surface of the first wheel belt, thereby realizing that the plastic particles between the recovery plates are completely discharged in the process of recovering the plastic particles from the recovery port to the melting tank each time, is favorable for recycling the plastic particles.
Drawings
FIG. 1 is a flow chart of the plastic pellet manufacturing process of the present invention;
FIG. 2 is a first perspective cross-sectional view of the general construction of the present invention;
FIG. 3 is a second perspective view of the general construction of the present invention;
FIG. 4 is a front cross-sectional view of the general construction of the present invention;
FIG. 5 is a third perspective cross-sectional view of the general construction of the invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is an enlarged view of the structure at B in FIG. 5;
FIG. 8 is an enlarged view of the structure at C in FIG. 5;
FIG. 9 is a schematic view of the internal structure of the recycling bin of the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 9 at D;
FIG. 11 is a schematic view of a second chute inside the recycling bin according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a sealing shell 1, a feeding hole 2, an extrusion plate 3, a hydraulic cylinder 4, an electric cylinder 5, a cutting knife 6, a cooling box 7, a first screening plate 8, a second screening plate 9, a discharging hole 10, a recovery box 11, a first transmission roller 12, a first wheel belt 13, a recovery plate 14, a driving motor 15, a first discharging hole 16, a second discharging hole 17, a recovery hole 18, a first sealing plate 19, a first pushing block 20, a second pushing block 21, a second sealing plate 22, a pull rope 23, a third pushing block 24, a first sliding groove 25, an air spring 26, a shifting plate 27, a first sliding rod 28, a second sliding groove 29, a guide plate 30, a first shifting shaft 31, a rotating wheel 32, a second wheel belt 33, a first motor 34, a second shifting shaft 35 and a second motor 36.
Detailed Description
Referring to fig. 1-11, the present invention provides a technical solution: a plastic particle manufacturing device comprises a sealing shell 1, wherein a granulating mechanism for extruding and granulating is arranged on the inner side outside the sealing shell 1, a screening mechanism for screening out plastic particles meeting requirements is arranged at the bottom of the granulating mechanism, and a recovery mechanism for alternately conveying the screened plastic particles which do not meet the requirements back to the granulating mechanism for re-granulating is arranged on the right side of the screening mechanism;
the extrusion granulation mechanism comprises a feed inlet 2, the feed inlet 2 is arranged on the left side wall of a sealing shell 1, a melting box 201 is fixedly connected to the inner side wall of the sealing shell 1, an extrusion plate 3 is connected to the inside of the melting box 201 in a sliding manner, a hydraulic cylinder 4 is fixedly connected to the top of the extrusion plate 3, the hydraulic cylinder 4 is fixedly connected to the inner top surface of the sealing shell 1, an extrusion hole is formed in the bottom of the melting box 201, an electric cylinder 5 is fixedly connected to the inner side wall of the sealing shell 1, a cutting knife 6 is fixedly connected to the inner end of the electric cylinder 5, the cutting knife 6 is located on the bottom side face of the melting box 201, and a cooling box 7 is connected to the bottom of the melting box 201;
the screening mechanism comprises a first screening plate 8 and a second screening plate 9, the first screening plate 8 and the second screening plate 9 are obliquely and fixedly connected to the inner side wall of the sealing shell 1, the first screening plate 8 is positioned above the second screening plate 9, the left end of the first screening plate 8 is high, the right end of the first screening plate is low, the left end of the second screening plate 9 is low, the right end of the second screening plate 9 is high, a discharge hole 10 is formed in the left side wall of the sealing shell 1, the first screening plate 8 is used for screening large plastic particles, and the second screening plate 9 is used for screening plastic particles with the size meeting the requirements;
the recycling mechanism comprises a recycling box 11, the recycling box 11 is fixedly connected to the right side wall of the sealing shell 1, two first transmission rollers 12 are rotatably connected to the inner side wall of the recycling box 11, the two first transmission rollers 12 are jointly and drivingly connected with a first belt 13, a plurality of recycling plates 14 distributed along the edge array of the first belt 13 are fixedly connected to the outer surface of the first belt 13, the recycling plates 14 are in contact with the recycling box 11 and the side wall of the sealing shell 1, a driving motor 15 is fixedly connected to the rear end of the first transmission rollers 12, the driving motor 15 is fixedly connected to the rear side wall of the recycling box 11, a first discharge hole 16 is formed in the right side wall of the sealing shell 1, the first discharge port 16 is positioned below the second discharge port 17, the bottom surface of the second discharge port 17 is flush with the top surface of the first screening plate 8, and the side wall of the recovery plate 14 is connected with a limiting mechanism for the recovery plate 14 to alternatively recover unqualified plastic particles;
the limiting mechanism comprises a first sealing plate 19, the first sealing plate 19 is rotatably connected to the top of a first discharge hole 16, first pushing blocks 20 are fixedly connected to the front side wall and the rear side wall of the first sealing plate 19, an arc-shaped chute for the first pushing block 20 to slide is formed in the inner side wall of the sealing shell 1, a plurality of recovery plates 14 are alternately and fixedly connected with second pushing blocks 21, the first sealing plate 19 is opened when the second pushing blocks 21 are used for extruding the first pushing blocks 20, a second sealing plate 22 is rotatably connected to the top of the second discharge hole 17 through a torsion spring, the torsion spring is used for enabling the second sealing plate 22 to rotate to be in a horizontal state, a pull rope 23 is wound on the outer surface of a rotating shaft of the second sealing plate 22, a third pushing block 24 is fixedly connected to the bottom end of the pull rope 23, a first chute 25 for the third pushing block 24 to slide transversely is formed in the inner side wall of the sealing shell 1, and an air spring 26 is fixedly connected in front of the first chute 25 and the third pushing block 24, the second pushing block 21 is used for extruding the third pushing block 24 to enable the second sealing plate 22 to seal the second discharge hole 17;
when the equipment works, broken plastic needing to be melted and granulated is added into a melting box 201 from a feeding hole 2, the melting box 201 melts the plastic, then a hydraulic cylinder 4 at the top extends out to drive a pressurizing plate to pressurize the melted plastic, the melted plastic is extruded out from an extrusion hole, an electric cylinder 5 drives the plastic to cut off and move, the extruded plastic particles are cut off, the plastic particles automatically fall down and are cooled and formed under the action of a cooling box 7, the plastic particles are prevented from being bonded with each other, when falling down from a cold box, the plastic particles firstly fall on the top of a first screening plate 8, the first screening plate 8 screens out larger plastic particles, plastic particles meeting requirements and smaller plastic particles fall on the top of a second few-dividing plate and are screened again, the second screening plate 9 screens out smaller plastic particles, and the plastic particles meeting the requirements automatically roll on the top of the second screening plate 9 and are discharged from a discharging hole 10, the oversize plastic particles are positioned at the top of the first screening plate 8, the undersize plastic particles fall at the bottom of the sealing shell 1, so that the plastic particles prepared from the equipment are all plastic particles meeting the requirements, the driving motor 15 is started, the driving motor 15 drives the first belt 13 to rotate through the first driving roller 12 and the first belt 13 in transmission connection with the first belt 13 starts to rotate, so as to drive the recovery plates 14 to rotate together, the recovery plates 14 rotate ceaselessly, when the recovery plates 14 fixedly connected with the second pushing block 21 move upwards and act on the first pushing block 20, the second pushing block 21 extrudes the first pushing block 20, so that the first pushing block 20 drives the first sealing plate 19 to turn over towards the left side along the arc chute, the first discharging port 16 is opened, so that the smaller plastic particles positioned at the bottom of the sealing shell 1 automatically roll into the recovery plates 14, and in the process that the recovery plates 14 continue to move upwards, the entered plastic particles are driven to move upwards, when the recovery plate 14 without fixedly connected with the second pushing block 21 passes through the first discharge hole 16, the first sealing plate 19 is not opened, when the second pushing plate moves and the second discharge hole 17 is formed, the second pushing plate extrudes the third pushing block 24, the third pushing block 24 slides towards the left side along the first sliding groove 25, the third pushing block 24 pulls the second sealing plate 22 to rotate through the pull rope 23, the second discharge hole 17 is sealed, the situation that the small plastic particles are stored and flow back from the second discharge hole 17 again is avoided, when the second pushing block 21 passes through the third pushing block 24, the third pushing block 24 is reset under the action of the air spring 26, the pulling on the second sealing plate 22 is released, the torsion spring enables the second sealing plate 22 to rotate in a horizontal state, the second discharge hole 17 is opened, and the overlarge plastic particles enter the recovery plate 14 which is not stored yet, the plastic granules enter the top of the recovery plate 14 which is not connected with the second pushing block 21, the first belt 13 continuously drives the recovery plate 14 to ascend, the plastic granules inside the recovery plate 14 enter the melting box 201 from the recovery port 18, and are melted and granulated again, so that unqualified plastic granules are continuously and alternately conveyed and recovered into the melting box 201, the manufactured plastic granules are all plastic granules meeting the requirements, in the conveying process, the larger and smaller plastic granules are alternately recovered, the condition that the recovered plastic granules flow back to influence the recovery of other positions is avoided, the recovery and granulation of the plastic granules are facilitated, and the manufactured plastic granules can meet the requirements.
As a further scheme of the present invention, a material shifting plate 27 is slidably connected between two adjacent recycling plates 14, the material shifting plate 27 is made of a plastic material, a first slide bar 28 is fixedly connected to front and rear side walls of each material shifting plate 27, a second slide groove 29 is formed in an inner side wall of the recycling bin 11, the first slide bar 28 slides in the second slide groove 29, and the second slide groove 29 is used for enabling the material shifting plate 27 to push plastic particles to completely discharge out of the recycling plates 14 when the recycling plates 14 drive the plastic particles to move to the recycling ports 18; in operation, because the plastic particles between two adjacent recovery plates 14 may not be completely squeezed into the recovery port 18 to be completely recovered when moving to the recovery port 18, which is not beneficial to completely recovering the plastic particles, by slidably connecting the material-shifting plate 27 between two adjacent recovery plates 14, when the recovery plates 14 vertically ascend, the material-shifting plate 27 inside the recovery plates 14 is limited by the second chute 29 to be always attached to the outer surface of the first belt 13, at this time, the plastic particles are not squeezed, when the recovery plates 14 drive the plastic particles to move to the recovery port 18, the first slide bar 28 slides outwards along the second chute 29, the first slide bar 28 drives the material-shifting plate 27 to move outwards, the plastic particles outside the material-shifting plate 27 are slowly pressurized towards the recovery port 18, so that the plastic particles are completely discharged, as the recovery plates 14 continue to rotate, the second chute 29 limits the first slide bar 28, the first slide bar 28 drives the material shifting plate 27 to move again and reset, and the material shifting plate is contacted with the outer surface of the first wheel belt 13 to recover the plastic particles of the next wheel, so that the plastic particles between the recovery plates 14 are completely discharged in the process of recovering the plastic particles from the recovery port 18 to the melting tank 201 every time, and the recovery and the utilization of the plastic particles are facilitated.
As a further scheme of the invention, a guide plate 30 is fixedly connected to the inner side wall of a sealing shell 1, the guide plate 30 is located at the bottom of a first screening plate 8, the guide plate 30 and the first screening plate 8 are obliquely arranged in the same direction, a plurality of first stirring shafts 31 are rotatably connected to the inner side wall of the sealing shell 1, the first stirring shafts 31 are located at the top of a second screening plate 9, the first stirring shafts 31 are used for stirring plastic particles, the rear end of each first stirring shaft 31 is fixedly connected with a rotating wheel 32, the plurality of rotating wheels 32 are in transmission connection through a second wheel belt 33, one first stirring shaft 31 is fixedly connected with a first motor 34 at the rear end, and the first motor 34 is fixedly connected to the rear side wall of the sealing shell 1; in operation, when the first sieving plate 8 sieves plastic particles, part of the sieved plastic particles may directly fall to the left of the second sieving plate 9, so that the second sieving plate 9 cannot completely sieve the fallen plastic particles, which easily causes incomplete sieving and affects the size of the prepared plastic particles, by arranging the guide plate 30 at the bottom of the first sieving plate 8, guiding the plastic particles sieved by the first sieving plate 8 to the right end of the second sieving plate 9 by using the guide plate 30, giving time for the plastic particles to slide along the second sieving plate 9, so that the second sieving plate 9 can better and more completely sieve the plastic particles, and at the same time, starting the first motor 34, the first motor 34 drives the plurality of rotating wheels 32 and the first stirring shaft 31 to rotate, and stir the plastic particles sliding down along the second sieving plate 9 to the right, the plastic particles can be sieved on the second sieving plate 9 for multiple times, so that the qualified plastic particles can be sieved more accurately by the second sieving plate 9, and the plastic particle preparation is facilitated.
As a further scheme of the present invention, a second stirring shaft 35 rotatably connected to the sealing shell 1 is disposed on the left side of the second recovery port 18, the second stirring shaft 35 is located above the first sieving plate 8, the second stirring shaft 35 is used for stirring plastic particles, a second motor 36 is fixedly connected to the rear end of the second stirring shaft 35, and the second motor 36 is fixedly connected to the rear side wall of the sealing shell 1; the during operation, because plastic granules are when sieving through first screening board 8 in the same reason, the plastic granules that do not get rid of piles up the right-hand member at first screening board 8, make the plastic granules of follow-up drop can't be sieved completely easily, through starting second motor 36, second motor 36 drives second shifting shaft 35 and rotates, the dispersion is stirred to the plastic granules type left side eminence that will be located first screening board 8 top, make plastic granules can sieve through first screening board 8 many times, be favorable to preparing the plastic granules of qualified size.
A plastic particle manufacturing process comprises the following specific steps:
the method comprises the following steps: firstly, adding broken plastics to be subjected to melt granulation into a granulation mechanism for melt granulation;
step two: screening the manufactured plastic particles by using a screening mechanism to remove the plastic particles with unqualified sizes;
step three: recovering unqualified plastic particles by using a recovery mechanism, and conveying the plastic particles to a granulation mechanism for remelting granulation;
step four: and discharging qualified plastic particles from the discharge opening 10 to finish the plastic particle manufacturing.
Claims (9)
1. A plastic particle manufacturing apparatus comprising a sealed casing (1), characterized in that: the outer inboard of seal shell (1) is equipped with the granulation mechanism that is used for the extrusion granulation, granulation mechanism bottom is equipped with the screening mechanism that is used for screening out the plastic granules that satisfy the requirement, screening mechanism right side is equipped with and is used for returning the plastic granules that select out and not satisfy the requirement alternately to carry out the recovery mechanism of granulation once more in the granulation mechanism.
2. A plastic particle producing apparatus according to claim 1, wherein: extrusion granulation mechanism includes feed inlet (2), feed inlet (2) are seted up on the left side wall of seal shell (1), fixedly connected with melting case (201) on seal shell (1) inside wall, melting case (201) inside sliding connection has stripper plate (3), stripper plate (3) top fixedly connected with pneumatic cylinder (4), pneumatic cylinder (4) fixed connection is at the inside top surface of seal shell (1), melting case (201) bottom is equipped with extrudes the hole, fixedly connected with electric jar (5) on seal shell (1) inside wall, electric jar (5) inner fixedly connected with cutting off cutter (6), cutting off cutter (6) are located the bottom side of melting case (201), melting case (201) bottom is connected with cooler bin (7).
3. A plastic particle producing apparatus according to claim 2, wherein: screening mechanism includes first screening board (8) and second screening board (9), first screening board (8) and second screening board (9) all incline fixed connection on the inside wall of sealed shell (1), first screening board (8) are located the top of second screening board (9), the high right-hand member of first screening board (8) left end is low, the low right side in second screening board (9) left side is high, set up bin outlet (10) on sealed shell (1) left side wall, first screening board (8) are used for sieving out large-scale plastic granules, second screening board (9) are used for sieving out the plastic granules that the size meets the requirements.
4. A plastic particle producing apparatus according to claim 3, wherein: the recycling mechanism comprises a recycling box (11), the recycling box (11) is fixedly connected to the right side wall of the sealing shell (1), two first transmission rollers (12) are rotatably connected to the inner side wall of the recycling box (11), the two first transmission rollers (12) are jointly in transmission connection with a first wheel belt (13), a plurality of recycling plates (14) distributed along the edge array of the first wheel belt (13) are fixedly connected to the outer surface of the first wheel belt (13), the recycling plates (14) are in contact with the recycling box (11) and the side wall of the sealing shell (1), a driving motor (15) is fixedly connected to the rear end of the first transmission rollers (12), the driving motor (15) is fixedly connected to the rear side wall of the recycling box (11), a first discharge port (16), a second discharge port (17) and a recycling port (18) are formed in the right side wall of the sealing shell (1), and the first discharge port (16) is located below the second discharge port (17), the bottom surface of the second discharge hole (17) is flush with the top surface of the first screening plate (8), and the side wall of the recovery plate (14) is connected with a limiting mechanism for alternately recovering unqualified plastic particles by the recovery plate (14).
5. The plastic particle manufacturing apparatus according to claim 4, wherein: the limiting mechanism comprises a first sealing plate (19), the first sealing plate (19) is rotatably connected to the top of a first discharge hole (16), first pushing blocks (20) are fixedly connected to the front side wall and the rear side wall of the first sealing plate (19), an arc-shaped chute for the sliding of the first pushing blocks (20) is formed in the inner side wall of the sealing shell (1), a plurality of recovery plates (14) are alternately and fixedly connected with second pushing blocks (21), the first sealing plate (19) is opened when the second pushing blocks (21) are used for extruding the first pushing blocks (20), the top of the second discharge hole (17) is rotatably connected with a second sealing plate (22) through a torsion spring, the torsion spring is used for enabling the second sealing plate (22) to rotate to a horizontal state, a pull rope (23) is wound on the outer surface of a rotating shaft of the second sealing plate (22), and a third pushing block (24) is fixedly connected to the bottom end of the pull rope (23), the sealing shell (1) is characterized in that a first sliding groove (25) for a third pushing block (24) to slide transversely is formed in the inner side wall of the sealing shell (1), a gas spring (26) is fixedly connected between the first sliding groove (25) and the third pushing block (24), and the second pushing block (21) is used for extruding the third pushing block (24) to enable a second sealing plate (22) to close a second discharge hole (17).
6. The plastic particle manufacturing apparatus as set forth in claim 5, wherein: it is adjacent two equal sliding connection has switch board (27) between recovery board (14), switch board (27) are the plasticity material, every equal first slide bar (28) of fixedly connected with around switch board (27) on the lateral wall, second spout (29) have been seted up on collection box (11) inside wall, first slide bar (28) slide in second spout (29), second spout (29) are used for making switch board (27) promote plastics granule and discharge recovery board (14) completely when recovery board (14) drive plastics granule and remove to recovery mouth (18).
7. A plastic particle producing apparatus according to claim 3, wherein: fixedly connected with guide board (30) on sealed shell (1) inside wall, guide board (30) are located the bottom of first screening board (8), just guide board (30) and first screening board (8) equidirectional slope arrange, it is connected with a plurality of first stirring axle (31) to rotate on sealed shell (1) inside wall, first stirring axle (31) are located the top of second screening board (9), first stirring axle (31) are used for stirring plastic granules, every first stirring axle (31) the equal fixedly connected with in rear end rotates wheel (32), and is a plurality of it connects through second wheel area (33) transmission to rotate wheel (32), one of them first stirring axle (31) rear end fixedly connected with first motor (34), first motor (34) fixed connection is on the back lateral wall of sealed shell (1).
8. The plastic particle manufacturing apparatus according to claim 4, wherein: the left side of mouth (18) is retrieved to the second is equipped with second shifting shaft (35) of rotation connection on sealed shell (1), second shifting shaft (35) are located the top of first screening board (8), second shifting shaft (35) are used for stirring plastic granules, second shifting shaft (35) rear end fixedly connected with second motor (36), second motor (36) fixed connection is on the back lateral wall of sealed shell (1).
9. A plastic pellet manufacturing process applicable to the plastic pellet manufacturing apparatus of any one of claims 1 to 8, characterized in that: the process comprises the following specific steps:
the method comprises the following steps: firstly, adding broken plastics to be subjected to melt granulation into a granulation mechanism for melt granulation;
step two: screening the manufactured plastic particles by using a screening mechanism to remove the plastic particles with unqualified sizes;
step three: recovering unqualified plastic particles by using a recovery mechanism, and conveying the plastic particles to a granulation mechanism for remelting granulation;
step four: and discharging qualified plastic particles from the discharge port to finish the plastic particle manufacturing.
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