CN208914379U

CN208914379U - Full-automatic recycled plastic granulation production line

Info

Publication number: CN208914379U
Application number: CN201821723851.9U
Authority: CN
Inventors: 丛兰国
Original assignee: Shandong Pengzhou Plastic Industry Co Ltd
Current assignee: Shandong Pengzhou Plastic Industry Co Ltd
Priority date: 2018-10-23
Filing date: 2018-10-23
Publication date: 2019-05-31
Anticipated expiration: 2028-10-23

Abstract

The utility model discloses a kind of full-automatic recycled plastic granulation production lines, including hopper, it is characterized by: the hopper is connected with distribution box by feeding auger, the feeding auger is electrically connected with trunkful anti-overflow device, and the distribution box is connected with constant speed blanking device, the first propulsion auger, melt filter device, melt connecting tube, defoaming blending bucket, the second propulsion auger, plastic extrusion apparatus, cooling water tank, water trap, granule-forming machine, particle screen selecting device, particle collection device and powder collection hopper in turn.The utility model passes through rationally compact structure, recycled plastic granulation production line is enabled to realize automatic production substantially, substantially it is not required to manual intervention, it can be greatly reduced artificial, comprehensive dust suction emission reduction filter setting can preferably reduce fugitive dust and reduce flue gas emission, be capable of the recycled plastic granules of clean manufacturing high quality.

Description

Full-automatic recycled plastic granulation production line

Technical field

The utility model relates to regenerated plastics processing machinery fields, relate in particular to a kind of full-automatic recycled plastic granulation Production line.

Background technique

Recycled plastic granules are belonged in this scope of plastic grain, recycled plastic granules be recycle it is used new The plastics that material or discarded plastics are produced by Luo bar machine, then a kind of granular plastics are cut by pelleter Grain.

Recycled plastic granules are mainly different according to the raw material that uses, and process plastic grain the characteristics of come area Graduation, is generally divided into one, two, three material, quality successively reduces.Wherein, three-level material refer to raw material used twice or Person is multiple, and the particle processed, elasticity, the various aspects such as toughness are not fine.The source of three-level material be industry and The plastic refuse nowhere loseed in life recycling is made into particle, so that it may re-use, one by the plastic refuse in life As three-level material be only used for being molded.Although the application range of three-level material is limited, but still can substantially reduce plastics in society The degree of pollution reduces the wasting of resources.Plastic refuse of the three-level material in industry or life, needs to be carried out preliminary Screening is broken into plastic pieces after removing bulk sundries, to carry out the granulation of next step.On the one hand, plastic recycling is Environmental protection, the requirement of low energy consumption society, on the other hand, pure artificial loading on traditional recycled plastic granules production line are a large amount of waste and old A large amount of dust, the fine plastic that dust generates in dust and shattering process can be raised in recycled plastic particle feeding process Grain, these dust raised are easy to be directly sucked in by worker, cause very big damage to health, will also result in pole to environment Big pollution.Industry needs one kind that can reduce manual operation as far as possible, reduces fugitive dust, being capable of clean manufacturing recycled plastic granules Full-automatic recycled plastic granulation production line.

Utility model content

The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, and providing one kind can be reduced artificial behaviour Make, reduces fugitive dust, be capable of the full-automatic recycled plastic granulation production line of clean manufacturing recycled plastic granules.

The purpose of this utility model is reached by following technical measures:

Full-automatic recycled plastic granulation production line, including hopper, it is characterised in that: the hopper is connected by feeding auger There is distribution box, the feeding auger is electrically connected with trunkful anti-overflow device, and the trunkful anti-overflow device is placed in sub-material upper box part, institute It states sub-material lower box part and is connected with constant speed blanking device, constant speed blanking device lower part is connected with the first propulsion auger, and described The first constant temperature heating device is set on one propulsion auger, first propulsion auger exit is connected with melt filter device, The melt filter device is connected with melt connecting tube, and connecting tube thermostat is set in the melt connecting tube, described molten Defoaming blending bucket is connected in material connecting tube, the defoaming blending bucket, which is equipped with, defoams adding set, under the defoaming blending bucket End is connected with the second propulsion auger, double-control thermostatic device is set on second propulsion auger, second propulsion auger goes out It is connected with plastic extrusion apparatus at mouthful, the plastic extrusion apparatus is connected with cooling water tank, and the cooling water tank is connected with water Device, the water trap are connected with granule-forming machine, and the granule-forming machine is connected with particle screen selecting device, the particle sieve Screening device is connected with particle collection device, and the particle collection device is connected with powder collection hopper.

As a kind of specific preferred embodiment, this equipment further includes flue dust collecting purification device, the flue dust collecting purification Device includes flue dust blower, smoke and dust purifier and several dust hoods, the flue dust blower and smoke and dust purifier, dust hood Between connected with sweep-up pipe, the dust hood be at least placed in distribution box, in the middle part of the first propulsion auger, defoaming blending bucket, second One or more in the middle part of propulsion auger, in plastic extrusion apparatus.Part in first propulsion auger middle part and the second propulsion auger Not She You flue dust gas vent, the flue gas that the plastics of thawing generate, which through flue dust gas vent is expelled to dust hood and is purified by flue dust collecting, to be filled Set collection and purification.There is everywhere on production line is provided with dust hood at flue dust generation and excessive structure, and flue dust blower passes through Dust hood attracts the flue dust of each equipment discharge on production line, and purifies through smoke and dust purifier, and whole production line is made to reach very high Environmental protection standard, realize environmentally protective production, really protect environment.Smoke and dust purifier uses presently commercially available cleaning equipment, Specific structure is well-known technique, is not repeated.

As a kind of specific preferred embodiment, the trunkful anti-overflow device includes hang down plate and distance-sensor, the vertical plate It is articulated on vertical plate hinge shaft, for the plate hinge shaft that hangs down by Stent Implantation on distribution box, the lower part of the vertical plate is located at distribution box center Between inner wall, the distance-sensor is corresponding to vertical plate to be installed, and the distance-sensor, which senses, issues letter after vertical plate is mobile It ceases feeding auger and stops feeding.

As a kind of specific preferred embodiment, the constant speed blanking device includes under blanking auger and driving blanking auger Expect stepper motor, the blanking auger inlet is connected to distribution box lower part outlet, and the blanking auger outlet is promoted with first to be twisted Imperial entrance connection, the blanking auger constant speed push plastics to enter in the first propulsion auger.

As a kind of specific preferred embodiment, the melt filter device includes filter body, the filter body Including first shell and second shell, it is equipped with material cavity between the first shell and second shell, is equipped in the material cavity Filter plate, the filter plate will be divided into chamber and discharge chamber between material cavity, described to enter chamber and the first propulsion auger outlet company Logical, the discharge chamber is connected to melt connecting tube, and described to squeeze out wheel into the intracavitary melt that is equipped with, the melt, which squeezes out to take turns to push, to be melted The plastics of change pass through filter plate and enter discharge chamber, and the melt squeezes out wheel and is sequentially connected with extrusion wheel drive motor, the entrance Chamber lower part is connected with waste residue discharge pipe, and the waste residue discharge pipe is equipped with waste residue waste cock, is set on the waste residue discharge pipe There is waste residue thermostat.The plastics of thawing are pushed to through the first propulsion auger into chamber, and melt squeezes out wheel and is pressed further by thawing Plastics, and the plastics of thawing are squeezed out by filter plate to discharge chamber, and what is mixed in plastics will be filtered without melting particle Plate barrier, and is pushed out in the waste residue discharge pipe for depositing to lower part, when in waste residue discharge pipe do not melt granular residue it is more when, beat Waste residue waste cock is opened, residue is discharged.The plastics filtered will be more uniform, clean, and manufactured goods quality can be higher, produces Quality can be improved largely.

As a kind of specific preferred embodiment, the defoaming adding set includes quantitative feeding device, defoaming particle hopper With defoaming expects pipe, the quantitative feeding device includes feeder and defoaming feeds stepper motor, the feeder entrance and defoaming Particle hopper outlet, the feeder outlets are connected to defoaming expects pipe, and the defoaming expects pipe is connected to defoaming blending bucket, institute It states and is set with feed wheel in feeder, the defoaming charging stepper motor driving feed wheel constant speed rotation release defoaming agent, which enters, to disappear Steep blending bucket.The plastics of fusing are mixed into defoaming particle through defoaming blending bucket, can improve plastics quality, eliminate the gas in plastics Body.Defoaming particle is a kind of currently used plastic additive, and feeder internal structure is well-known technique, is not repeated.

As a kind of specific preferred embodiment, the double-control thermostatic device includes secondary heating mechanism and water cooling constant temperature dress It sets, the secondary heating mechanism includes several ring heaters, and the water cooling thermostat includes several ring-shaped water jackets, institute It states ring-shaped water jacket and ring heater interleaved is set on the second propulsion auger, the ring-shaped water jacket pipeline is connected with circulation Water pump and cooling pond, the water circulating pump driving cooling water recycle between ring-shaped water jacket and cooling pond.Double-control thermostatic dress Secondary heating mechanism and water cooling thermostat in setting respectively correspond different working hours, in normal pipelining, the Two propulsion augers push plastics to be extruded into plastic strip through plastic extrusion apparatus, and auger can generate greatly because of serious pressure and friction The heat of amount, this can be such that plastics temperature further increases, and lead to gas evolution in plastics, plastic deformation, quality degradation, this reality Cooled down with the novel middle recirculated water in ring-shaped water jacket, maintains the plastics temperature in auger in most suitable temperature, significantly The quality for improving plastics, improves product quality.And when production line since the state of cooling will operation when, it is remaining in auger Plastics can hinder equipment smoothly to start, and be heated to plastic melt temperature by secondary heating mechanism, equipment is made to be easier to start.

As a kind of specific preferred embodiment, the water trap includes removing sink, and the both ends for removing sink are set respectively There is water suction block, the water suction block protrudes from the groove bottom of sink, and described to go to be equipped with vibrator-roller in the middle part of sink, the vibrator-roller connects Be connected to vibration driving motor, the vibrator-roller periphery is equipped with the impact protrusion for protruding from surface, it is described go sink towards particle at One end of type machine is equipped with air-drying device.Cooling water tank cooling forming, the modeling of forming are fallen into through plastic extrusion apparatus extrusion plastic item Temperature is decreased obviously during material strip passes through cooling water tank, but can be infected with water, and the casting processing for influencing finished particle uses, The utility model using water trap can water on fully erased plastic strip, improve the quality of finished plastic particle.Through absorbing water The plastic strip that block tentatively adsorbs water can encounter vibrator-roller, the continuous hit plastics of impact protrusion that the vibrator-roller of rotation passes through surface Item forms vibration, and water remaining on plastic strip is shaken off, and while the block that most absorbed water afterwards adsorbs residual water again, air-drying device is logical Quickly blowing is crossed, plastic strip is thoroughly air-dried, into the plastic strip absolutely not water of granule-forming machine.Into water trap Plastic strip still has higher temperature, general up to 50-70 DEG C, soft, will not be broken in the vibration of impact.The utility model The quality of finished particle and the quality of manufactured goods can be significantly improved using water trap.

As a kind of specific preferred embodiment, the particle screen selecting device includes vibrating screen, the vibrating screen be equipped in Allow the mesh that plastic grain passes through, the vibrating screen is placed on elastic support, and the vibrating screen is equipped with vibrating motor, institute It states and is equipped with take-up reel below vibrating screen, the take-up reel bottom level is reduced from close to granule-forming machine one end to distal end, described The a lower height of one end of take-up reel is equipped with discharge port.

As a kind of specific preferred embodiment, the particle collection device includes air blower, and the air blower is connected with wind The discharge port lower section of power feed pipe, the take-up reel is equipped with receiving hopper, and the under shed of the receiving hopper is connected to conveyer pipe for material, It is directed toward inside powder collection hopper the end of the conveyer pipe for material.Powder collection hopper side is equipped with discharge nozzle, passes through rewinding Stent Implantation ton bag, discharge nozzle are directed toward ton bag, and wind-force blows plastic grain and enters powder collection hopper, by receiving in particle Ton bag is slid into through discharge nozzle along its inner wall after buffering in aggregate bin, so that it may the spring of particle caused by avoiding wind-force from blowing and disorderly Fly, completely to recycle manufactured plastic grain, loss is avoided to waste.

By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that: the utility model is public A kind of full-automatic recycled plastic granulation production line is opened, by rationally compact structure, so that recycled plastic granulation produces flowing water Line can realize automatic production substantially, be not required to manual intervention substantially, and artificial, comprehensive dust suction emission reduction filter can be greatly reduced Setting can preferably reduce fugitive dust and reduce flue gas emission, be capable of the recycled plastic granules of clean manufacturing high quality.

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Detailed description of the invention

Attached drawing 1 is a kind of structural schematic diagram of full-automatic recycled plastic granulation production line of the utility model.

Attached drawing 2 is the structural schematic diagram of trunkful anti-overflow device normal operation condition on distribution box in the utility model.

Attached drawing 3 is that trunkful anti-overflow device stops the structural schematic diagram of feeding state on distribution box in the utility model.

Attached drawing 4 is the structural schematic diagram of constant speed blanking device in the utility model.

Attached drawing 5 is the structural schematic diagram of melt filter device in the utility model.

Attached drawing 6 is the structural schematic diagram that adding set is defoamed in the utility model.

Attached drawing 7 is the structural schematic diagram of water trap in the utility model.

Attached drawing 8 is the structural schematic diagram of the vibrator-roller of water trap in the utility model.

Attached drawing 9 is the structural schematic diagram of particle screen selecting device in the utility model.

Specific embodiment

Embodiment: as shown in attached drawing 1 to 9, full-automatic recycled plastic granulation production line, including hopper 1, the hopper 1 are logical It crosses feeding auger 2 and is connected with distribution box 3, the feeding auger 2 is electrically connected with trunkful anti-overflow device 31, the trunkful anti-overflow device 31 are placed in 3 top of distribution box, and 3 lower part of distribution box is connected with constant speed blanking device 6,6 lower part of constant speed blanking device It is connected with the first propulsion auger 7, the first constant temperature heating device 8 is set on first propulsion auger 7, described first promotes strand Imperial 7 exits are connected with melt filter device 9, and the melt filter device 9 is connected with melt connecting tube 10, the melt connection It is set with connecting tube thermostat 11 on pipe 10, defoaming blending bucket 12 is connected in the melt connecting tube 10, the defoaming is mixed Hopper 12 is equipped with defoaming adding set 13, and 12 lower end of defoaming blending bucket is connected with the second propulsion auger 14, and described second Double-control thermostatic device 17 is set on propulsion auger 14,14 exit of the second propulsion auger is connected with plastic extrusion apparatus 18, the plastic extrusion apparatus 18 is connected with cooling water tank 19, and the cooling water tank 19 is connected with water trap 20, described to remove water Device 20 is connected with granule-forming machine 21, and the granule-forming machine 21 is connected with particle screen selecting device 22, the particle screen selecting dress It sets 22 and is connected with particle collection device 23, the particle collection device 23 is connected with powder collection hopper 24.

In the present embodiment, production line further includes flue dust collecting purification device, and the flue dust collecting purification device includes cigarette Dirt blower, smoke and dust purifier and several dust hoods 4, to inhale between the flue dust blower and smoke and dust purifier, dust hood 4 Dirt pipe 5 connects, and the dust hood 4 is at least placed in distribution box 3, the middle part of the first propulsion auger 7, defoaming blending bucket 12, second pushes away Into 14 middle part of auger and plastic extrusion apparatus 18.Cigarette is respectively equipped in the middle part of first propulsion auger, 7 middle part and the second propulsion auger 14 Dirt gas vent, the flue gas that the plastics of thawing generate are expelled to dust hood 4 through flue dust gas vent and are collected by flue dust collecting purification device Purification.There is everywhere on production line is provided with dust hood 4 at flue dust generation and excessive structure, and flue dust blower passes through dust hood 4 attract the flue dust of each equipment discharge on production line, and purify through smoke and dust purifier, and whole production line is made to reach very high environmental protection Standard realizes environmentally protective production, really protects environment.Smoke and dust purifier uses presently commercially available cleaning equipment, specific to tie Structure is well-known technique, is not repeated.It is attached that flue dust blower and smoke and dust purifier is not shown in the figure.

As shown in Fig. 2 and 3, the trunkful anti-overflow device 31 includes hang down plate 311 and distance-sensor 312, the vertical plate 311 are articulated on vertical plate hinge shaft 313, the plate hinge shaft 313 that hangs down by Stent Implantation on distribution box 3, the lower portion of the vertical plate 311 Between 3 center of distribution box and inner wall, the distance-sensor 312 installation corresponding to vertical plate 311, the distance-sensor 312 It senses and issues the stopping feeding of information feeding auger 2 after vertical plate 311 is mobile.

As shown in Fig. 4, the constant speed blanking device 6 includes blanking auger 61 and the blanking stepping for driving blanking auger 61 Motor 62,61 entrance of blanking auger are connected to 3 lower part outlet of distribution box, and the outlet of blanking auger 61 is promoted with first to be twisted Imperial 7 entrances connection, 61 constant speed of blanking auger push plastics to enter in the first propulsion auger 7.It is attached to be not shown in the figure first and push away Helical blade into auger 7.

As shown in Fig. 5, the melt filter device 9 includes filter body, and the filter body includes first shell Body 91 and second shell 92 are equipped with material cavity 93, set in the material cavity 93 between the first shell 91 and second shell 92 There is filter plate 94, the filter plate 94 will be divided into chamber and discharge chamber between material cavity, described to enter chamber and the first propulsion auger 7 Outlet, the discharge chamber are connected to melt connecting tube 10, and described to squeeze out wheel 95 into the intracavitary melt that is equipped with, the melt squeezes The plastics that 95 promotion of wheel is melted out pass through filter plate 94 and enter discharge chamber, and the melt extrusion wheel 95 is sequentially connected with extrusion wheel and drives Dynamic motor 97, squeezes out wheel drive motor 97 and connects melt by speed reducer 96 and squeeze out wheel 95, it is described be connected with into chamber lower part it is useless Slag discharge pipe 98, the waste residue discharge pipe 98 are equipped with waste residue waste cock 100, are set with waste residue on the waste residue discharge pipe 98 Thermostat 99.The plastics of thawing are pushed to through the first propulsion auger 7 into chamber, and melt squeezes out wheel 95 and is pressed further by thawing Plastics, and the plastics of thawing are squeezed out by filter plate 94 to discharge chamber, and what is mixed in plastics will be filtered without melting particle Plate 94 obstructs, and is pushed out in the waste residue discharge pipe 98 for depositing to lower part, when in waste residue discharge pipe 98 do not melt granular residue compared with When more, waste residue waste cock 100 is opened, residue is discharged.The plastics filtered will be more uniform, clean, manufactured goods product Matter can be higher, and product quality can be improved largely.

As shown in Fig. 6, the defoaming adding set 13 includes quantitative feeding device 132, defoaming particle hopper 131 and disappears Foam material pipe 133, the quantitative feeding device 132 include feeder and defoaming charging stepper motor, the feeder entrance with disappear 131 outlet of particle hopper is steeped, the feeder outlets are connected to defoaming expects pipe 133, and the defoaming expects pipe 133 and defoaming are mixed Hopper 12 is connected to, and feed wheel is set in the feeder, and the defoaming charging stepper motor driving feed wheel constant speed rotation is released It puts defoaming agent and enters defoaming blending bucket 12.The plastics of fusing are mixed into defoaming particle through defoaming blending bucket 12, can improve plastic products Matter eliminates the gas in plastics.Defoaming particle is a kind of currently used plastic additive, and feeder internal structure is known skill Art does not repeat.

As shown in Fig. 1, the double-control thermostatic device 17 include secondary heating mechanism and water cooling thermostat, described second Heating device 15 includes several ring heaters 15, and the water cooling thermostat includes several ring-shaped water jackets 16, the ring Shape water jacket 16 and 15 interleaved of ring heater are set on the second propulsion auger 14, and 16 pipeline of ring-shaped water jacket is connected with Water circulating pump and cooling pond, the water circulating pump driving cooling water recycle between ring-shaped water jacket 16 and cooling pond.Dual control Secondary heating mechanism and water cooling thermostat in thermostat 17 respectively correspond different working hours, make in normal assembly line When industry, the second propulsion auger 14 pushes plastics to be extruded into plastic strip through plastic extrusion apparatus 18, and auger can be because of serious pressure A large amount of heat is generated with friction, this can be such that plastics temperature further increases, and lead to gas evolution in plastics, plastic deformation, quality Degradation is cooled down with the recirculated water in ring-shaped water jacket 16 in the utility model, maintains the plastics temperature in auger most Suitable temperature substantially improves the quality of plastics, improves product quality.And when production line since the state of cooling will operation When, remaining plastics can hinder equipment smoothly to start in auger, be heated to moulding by the ring heater 15 of secondary heating mechanism Expect melt temperature, equipment is made to be easier to start.

As depicted in figures 7 and 8, the water trap 20 includes removing sink 201, and sink 201 is gone to be placed in trough rack 202 On, the both ends for removing sink 201 are respectively equipped with the water suction block 203 of soaking effect, and the water suction block 203 protrudes from sink 201 groove bottom, described to go to be equipped with vibrator-roller 204 in the middle part of sink 201, the vibrator-roller 204 is connected with vibration driving motor 204,204 periphery of vibrator-roller is equipped with the impact protrusion 205 for protruding from surface, described to go sink 201 towards granule-forming machine 21 one end is equipped with air-drying device 206.19 cooling forming of cooling water tank is fallen into through 18 extrusion plastic item of plastic extrusion apparatus, is shaped Plastic strip pass through cooling water tank 19 during temperature be decreased obviously, but water can be infected with, the casting for influencing finished particle adds Work uses, the utility model using water trap 20 can water on fully erased plastic strip, improve the matter of finished plastic particle Amount.Plastic strip through water suction block 203 tentatively absorption water can encounter vibrator-roller 204, the impact that the vibrator-roller 204 of rotation passes through surface The continuous hit plastics item of protrusion 205 forms vibration, and water remaining on plastic strip is shaken off, and the block 203 that most absorbed water afterwards is inhaled again While attached residual water, air-drying device 206 is thoroughly air-dried plastic strip, by quickly drying into the modeling of granule-forming machine 21 Material strip absolutely not water.Plastic strip into water trap 20 still has higher temperature, general up to 50-70 DEG C, soft, It will not be broken in the vibration of impact.The utility model can significantly improve the quality and system of finished particle using water trap 20 The quality of finished product.

As shown in Fig. 9, the particle screen selecting device 22 includes vibrating screen 221, and the vibrating screen 221 is equipped in allowing The mesh that plastic grain passes through, the vibrating screen 221 are placed on elastic support 222, and the vibrating screen 221 is equipped with vibration electricity Machine 223, be equipped with below the vibrating screen 221 take-up reel 224, the vibrating screen 221 and 224 bottom level of take-up reel from close to Grain 21 one end of molding machine is reduced to distal end, and a lower height of one end of the take-up reel 224 is equipped with discharge port.

As shown in Fig. 9, the particle collection device 23 includes air blower 231, and the air blower 231 is connected with wind-force and send The discharge port lower section of expects pipe 232, the take-up reel 224 is equipped with receiving hopper 233, and the under shed of the receiving hopper 233 is sent with wind-force Expects pipe 232 is connected to, and the end of the conveyer pipe for material 232 is directed toward inside powder collection hopper 24.24 side of powder collection hopper Equipped with discharge nozzle, by rewinding Stent Implantation ton bag, discharge nozzle is directed toward ton bag, and wind-force blows plastic grain and enters particle receipts Aggregate bin 24 slides into ton bag through discharge nozzle along its inner wall after buffering in powder collection hopper 24, so that it may avoid wind The spring of particle caused by power blows flies with random, completely to recycle manufactured plastic grain, loss is avoided to waste.

Claims

1. The fully automatic recycled plastic granulation production line includes a material box, and is characterized in that: the material box is connected with a material distribution box through a feeding auger, and the feeding auger is electrically connected with a full box overflow prevention device, and the The full box overflow prevention device is arranged on the upper part of the material distribution box, the lower part of the material distribution box is connected with a constant-speed feeding device, and the lower part of the constant-speed feeding device is connected with a first propelling auger, and the first propelling auger is on the upper part of the feeding auger. A first constant temperature heating device is set, the outlet of the first propulsion auger is connected with a melting material filtering device, the melting material filtering device is connected with a melting material connecting pipe, and a defoaming mixing hopper is connected on the melting material connecting pipe , the defoaming mixing hopper is provided with a defoaming adding device, the lower end of the defoaming mixing hopper is connected with a second propelling auger, and the second propelling auger is equipped with a double-controlled constant temperature device, and the second propelling The outlet of the auger is connected with a plastic extrusion device, the plastic extrusion device is connected with a cooling water tank, the cooling water tank is connected with a water removal device, and the water removal device is connected with a particle molding machine, and the particle molding machine is connected with a A particle screening device, the particle screening device is connected with a particle collection device, and the particle collection device is connected with a particle collection hopper.

2. The fully automatic recycled plastic granulation production line according to claim 1, characterized in that: it further comprises a fume collecting and purifying device, and the fume collecting and purifying device comprises a fume fan, a fume purifying device and several dust hoods. The dust fan is connected with the dust purification device and the dust hood by a dust suction pipe, and the dust hood is arranged at least in the distribution box, the middle part of the first propelling auger, the defoaming mixing hopper, the middle part of the second propelling auger, and the plastic One or more places in the extrusion apparatus.

3. The fully automatic recycled plastic granulation production line according to claim 1, characterized in that: the full box overflow prevention device comprises a vertical plate and a distance sensor, the vertical plate is hinged on the vertical plate hinge, and the vertical plate is hinged on the vertical plate hinge. The hinge shaft is placed on the distribution box through the bracket, the lower part of the vertical plate is located between the center and the inner wall of the upper opening of the distribution box, the distance sensor is installed correspondingly with the vertical plate, and the distance sensor senses the vertical plate. After moving, a message is sent to the feeding auger to stop feeding.

4. The fully automatic recycled plastic granulation production line according to claim 1, wherein the constant-speed feeding device comprises a feeding auger and a feeding stepping motor for driving the feeding auger, and the feeding The inlet of the auger is communicated with the lower outlet of the distribution box, the outlet of the unloading auger is communicated with the inlet of the first propelling auger, and the lowering auger pushes the plastic into the first propelling auger at a constant speed.

5. The fully automatic recycled plastic granulation production line according to claim 1, characterized in that: the melt filtering device comprises a filter body, the filter body comprises a first shell and a second shell, the A material cavity is arranged between the first shell and the second shell, and a filter plate is arranged in the material cavity, and the filter plate divides the material cavity into an inlet cavity and a discharge cavity, and the inlet cavity is connected with the first propulsion hinge. The outlet of the dragon is connected, the discharge cavity is communicated with the molten material connection pipe, and a molten material extrusion wheel is arranged in the inlet cavity, and the molten material extrusion wheel pushes the melted plastic through the filter plate into the discharge cavity, and the molten material extrudes The material extruding wheel is driven and connected with an extruding wheel drive motor, the lower part of the inlet cavity is connected with a waste residue discharge pipe, a waste residue discharge switch is provided on the waste residue discharge pipe, and a waste residue constant temperature device is sleeved on the waste residue discharge pipe.

6. The fully automatic recycled plastic granulation production line according to claim 1, wherein the defoaming adding device comprises a quantitative feeding device, a defoaming particle hopper and a defoaming material pipe, and the quantitative feeding device comprises Feeder and defoaming feeding stepping motor, the inlet of the feeder is connected with the outlet of the defoaming particle hopper, the outlet of the feeder is communicated with the defoaming material pipe, and the defoaming material pipe is connected with the defoaming mixing hopper The feeder is provided with a feeding wheel, and the defoaming feeding stepping motor drives the feeding wheel to rotate at a constant speed to release the defoaming agent into the defoaming mixing hopper.

7. The fully automatic recycled plastic granulation production line according to claim 1, wherein the double-controlled constant temperature device comprises a second heating device and a water-cooled constant temperature device, and the second heating device comprises several annular heaters, The water-cooled thermostatic device includes several annular water jackets, the annular water jackets and the annular heaters are staggered and sleeved on the second propulsion auger at intervals, the annular water jacket pipeline is connected with a circulating water pump and a cooling pool, and the circulating water pump is The driving cooling water circulates between the annular water jacket and the cooling water pool.

8 . The fully automatic recycled plastic granulation production line according to claim 1 , wherein the water removal device comprises a water removal tank, and both ends of the water removal tank are respectively provided with water absorption blocks, and the water absorption blocks protrude from the water removal tank. 9 . The bottom surface of the water tank, the middle of the water removal tank is provided with a vibration roller, the vibration roller is connected with a vibration drive motor, the outer periphery of the vibration roller is provided with a beating protrusion protruding from the surface, and the water removal tank is facing the granule molding machine. One end is provided with an air-drying device.

9. The fully automatic recycled plastic granulation production line according to any one of claims 1 to 8, characterized in that: the particle screening device comprises a vibrating screen, and the vibrating screen is provided with meshes that allow plastic particles to pass through, The vibrating screen is arranged on an elastic support, a vibrating motor is provided on the vibrating screen, a receiving tray is provided below the vibrating screen, and the height of the bottom of the receiving tray is lowered from the end close to the pellet forming machine to the distal end, and the receiving tray is lowered. The lower end of the pan is provided with a discharge port.

10. The fully automatic recycled plastic granulation production line according to claim 9, characterized in that: the particle collection device comprises a blower, the blower is connected with a pneumatic feeding pipe, and a connection is provided below the discharge port of the receiving tray. A hopper, the lower opening of the hopper is communicated with a pneumatic feeding pipe, and the end of the pneumatic feeding pipe points to the inside of the particle collection hopper.