CN111716592A

CN111716592A - Efficiency of is promoted waste plastic recovery processing system

Info

Publication number: CN111716592A
Application number: CN202010628262.8A
Authority: CN
Inventors: 朱晓萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2020-09-29
Also published as: CN108908790A; CN108908790B

Abstract

The invention discloses an efficiency-improving waste plastic recycling system which comprises a plastic crusher, a plastic dryer, a plastic plasticizing machine and an injection molding machine, wherein a primary crushing device and a secondary crushing device are arranged in the plastic crusher, the primary crushing device is arranged above the secondary crushing device, an air heater is arranged on one side of the plastic dryer, an exhaust port is arranged below the air heater, a box cover is arranged at the top of the plastic dryer, a material taking device is arranged on the box cover, a material carrying box is also arranged in the plastic dryer, air holes are formed in the side wall of the material carrying box, and the secondary crushing device comprises a grinding seat which is arranged in the plastic dryer and can be sprayed and a grinding roller matched with the grinding seat; the recovery processing of the waste plastics is made into a system, so that the waste plastics are processed step by step, and the recovery efficiency of the waste plastics is improved.

Description

Efficiency of is promoted waste plastic recovery processing system

Technical Field

The invention belongs to the field of plastic processing, and particularly relates to a waste plastic recovery and treatment system for improving efficiency.

Background

With the increasing consumption of plastic products, the waste plastics are increasing, and the treatment of waste plastics is becoming more and more sluggish. The recycling of waste plastics becomes a novel method for treating the waste plastics, and the waste plastics are cleaned, crushed, dried and plasticized, and finally the plastic in a molten state is subjected to injection molding treatment, so that the plastic is recycled. The existing recovery equipment for waste plastics is dispersed, a set of complete flow cannot be completed for the waste plastics, dust generated by the plastics in the plastic crushing process has great harm to human bodies, the existing recovery equipment is not suitable for long-term operation, and the plastic recovery process is laggard.

Disclosure of Invention

The invention provides an effective waste plastic recycling system for recycling waste plastics, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a waste plastic recovery processing system capable of improving efficiency comprises a plastic crusher, a plastic dryer, a plastic plasticizing machine and an injection molding machine, wherein a primary crushing device and a secondary crushing device are arranged in the plastic crusher, the primary crushing device is arranged above the secondary crushing device, an air heater is arranged on one side of the plastic dryer, an exhaust port is arranged below the air heater, a box cover is arranged at the top of the plastic dryer, a material taking device is arranged on the box cover, a material carrying box is further arranged in the plastic dryer, air holes are formed in the side wall of the material carrying box, and the secondary crushing device comprises a grinding seat and a grinding roller, wherein the grinding seat is arranged in the plastic dryer and can be used for spraying, and the grinding roller is matched with the grinding seat; after being collected and sorted, the waste plastics are firstly put into a plastic crusher to crush the waste plastics, then the crushed plastics are put into a plastic dryer to be dried, the dried plastics are put into a plastic plasticizing machine to be plasticized, and finally the plastics in a molten state are injected again through an injection molding machine, so that the waste plastics can be recycled, the environment protection is facilitated, and the pollution of the waste plastics to the environment is avoided; through the mutual cooperation of all the devices, the plastic recovery treatment is carried out in sequence, the waste plastic can be completely treated in all the devices, and the waste plastic recovery efficiency is improved; the plastic entering the plastic crusher is subjected to primary crushing through a primary crushing device and then is subjected to crushing treatment through secondary crushing equipment, so that the plastic crushing effect is improved, and the plastic is better crushed into small particles; through the spraying effect of the grinding seat, dust generated by plastic crushing is washed away through water flow, so that the influence of excessive dust on the body of a worker caused by the fact that the dust is diffused in the air is avoided, the pollution of the dust is reduced, and the occurrence rate of safety accidents is reduced; the hot air blower provides hot air for the plastic dryer, so that the plastic dryer is in a high-temperature drying environment, the plastic is dried conveniently, and the exhaust port is used for exhausting normal-temperature air in the plastic dryer; when the hot air blower blows hot air into the plastic drying machine, the hot air floats to the top of the plastic drying machine in the plastic drying machine, cold air sinks towards the bottom of the plastic drying machine, and the sunk cold air is discharged from the exhaust port under the increase of the hot air, so that the plastic drying machine has a higher temperature, and the plastic drying effect is improved; the hot air can enter the material carrying box through the air holes in the material carrying box to dry the plastic in the material carrying box, and the plastic is dried through the material carrying box, so that the plastic is integrally arranged in the high-temperature environment of the plastic drying machine, and the plastic can be better dried.

Preferably, a clean water tank is arranged at the bottom of the plastic crusher, a water delivery pipe is arranged on one side of the plastic crusher, a water storage cavity connected with the water delivery pipe is arranged in the grinding seat, and spraying holes are formed in the bottom of the water storage cavity; water in the clear water pond is carried to the retaining intracavity in grinding the seat through the raceway, sprays away through the rivers of retaining intracavity portion of spraying hole with the retaining, when grinding seat cooperation grinding roller and carrying out the breakage to waste plastics, the clear water is from spraying the hole blowout, and the dust that produces when making plastics breakage is washed away by the clear water that sprays out, prevents that the dust from spreading to produce harm, the security of promotion production in the air to operator's health.

Preferably, the grinding roller is provided with an elastic cushion block, the elastic cushion block is provided with a grinding plate, and the grinding plate is provided with a plurality of first lugs; establish the grinding plate on the elastic cushion block, when grinding roller and grinding seat carried out the breakage to plastics, the elastic cushion block received the extrusion and produced deformation, prevented that too much entering into secondary breaker of plastics in, will grind the gap jam between roller and the grinding seat, influence secondary breaker's normal work.

Preferably, the top of the grinding plate is provided with a connecting bridge, and the bottom surface of the grinding seat is provided with a second bump matched with the first bump; the connecting bridge is made of elastic materials and can deform to a certain extent, the connecting bridge is arranged at the top of the grinding plate, the upper part of the grinding plate is sealed, plastics are prevented from entering the elastic cushion block to influence the elastic cushion block, and the service life of the elastic cushion block is prolonged; through mutually supporting of first lug and second lug, promote secondary crushing device's crushing effect, make the cooperation between abrasive disc and the grinding seat more stable, do benefit to and carry out quick breakage to plastics.

Preferably, a turnover device for driving the loading box to rotate is arranged in the plastic drying machine, and a driving motor for driving the turnover device is arranged on the box cover; through turning device's setting, make and carry workbin loading plastics and produce when the box is dried and rotate, overturn through rotating the plastics that will carry the workbin, avoid plastics to pile up and influence the plastics drying effect in a department, turn over the top with the plastics of bottom through the upset, make the plastics homoenergetic that carries the workbin can obtain better drying effect, can accomplish the drying to plastics in short time, promote plastics drying efficiency.

Preferably, the turnover device comprises a transmission shaft arranged on an output shaft of the driving motor, a bearing seat arranged on the transmission shaft, a connecting rod arranged on the bearing seat and a rolling wheel arranged at one end of the connecting rod, and the material loading box is fixedly connected to the connecting rod; the driving motor work drives the transmission shaft and rotates, and the transmission shaft drives the workbin that carries on the connecting rod and rotates at the rotation in-process, carries the workbin and produces centrifugal force when rotating, makes the plastics surface ponding of carrying in the workbin be thrown away under the effect of centrifugal force, and hot-blast carrying out drying process to plastics in the cooperation box promotes the drying effect of plastics.

Preferably, a contact plate which is contacted with the rolling wheel is arranged on the inner wall of the plastic dryer, a first supporting seat is arranged below the contact plate, first meshing teeth are arranged on the rolling wheel, and second meshing teeth which are matched with the first meshing teeth are arranged on the contact plate; when the driving motor drives the transmission shaft to rotate, the transmission shaft drives the connecting rod to rotate, the rolling wheel on the connecting rod is in contact with the second meshing teeth on the contact plate through the first meshing teeth, so that the connecting rod is turned over under the action of the first meshing teeth and the second meshing teeth, the material carrying box on the connecting rod is driven to rotate, the material carrying box is also turned over in the rotating process along with the transmission shaft, the plastic in the material carrying box can be in contact with hot air more comprehensively, the plastic is prevented from being accumulated at one position in the material carrying box to influence the drying effect of the plastic, and the time required by plastic drying is effectively reduced; the first supporting seat has a supporting function on the contact plate, the strength of the contact plate is increased, the contact plate is tightly matched with the rolling wheel when being in contact with the rolling wheel, and the service life of the contact plate is prolonged.

Preferably, the material taking device comprises a first support rod, a fixed rod arranged on the first support rod, a nut arranged on the fixed rod and a threaded rod arranged at the tail end of an output shaft of the driving motor; after the plastic is dried, the purpose of screw rod transmission is achieved by matching the threaded rod with the nut, so that the box cover is opened when the threaded rod rotates in the nut, the dried plastic is conveniently collected by workers, and the plastic processing efficiency is improved; the power at the tail end of the output shaft of the driving motor is reused and is used as the power input of the material taking device, so that the power of the driving motor is utilized to the maximum extent, the problem that the cost of equipment is increased due to the additional installation of a transmission motor is avoided, and the structure of the equipment is simpler; the support rod plays the supporting role to dead lever and nut, makes fixing that the nut can be stable cooperate with the threaded rod above the box, promotes the reliability that extracting device used.

Preferably, an installation cavity is formed in the first supporting rod, an air cylinder is arranged at the top of the installation cavity, a supporting spring is arranged at the bottom of the installation cavity, and one end of the fixing rod penetrates through the installation cavity; when the plastic is dried in the box body, the air cylinder does not work, the nut is not in contact with the threaded rod, and the threaded rod idles along with the driving motor, so that the plastic is prevented from being taken out of the box body when the loading box is used for drying the plastic in the box body, and the drying efficiency of the plastic is prevented from being influenced; after the plastics in the box are dry, the cylinder work promotes the piston rod and down moves, and the piston rod promotes the dead lever and down moves to make the nut down move the certain distance, make nut and threaded rod contact each other, in the threaded rod passes into the nut under driving motor's effect, will carry the workbin to rise out the box under the cooperation of threaded rod and nut, the staff of being convenient for takes out the plastics after the drying from the box in.

The invention has the following advantages: the recovery processing of the waste plastics is made into a system, so that the waste plastics are processed step by step, the recovery efficiency of the waste plastics is improved, the waste plastics can be effectively recovered, and the environment protection is facilitated; dust when plastics are crushed is filled into the bottom of the plastic crusher under the action of water flow spraying, so that harm to workers caused by excessive dust diffused in air is avoided, and the possibility of dust explosion is reduced.

Drawings

FIG. 1 is a schematic flow chart of the present invention.

Fig. 2 is a schematic structural view of the plastic crusher of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the plastic dryer of the present invention.

FIG. 5 is a schematic view of the transmission shaft and the second support rod of the plastic dryer according to the present invention.

Fig. 6 is a bottom view of a second support bar in the plastic dryer of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-6, a waste plastic recycling system for improving efficiency comprises a plastic crusher 1, a plastic dryer 6, a plastic plasticizing machine and an injection molding machine, wherein waste plastics are collected and sorted, and then are firstly put into the plastic crusher 1 to be crushed, and then are put into the plastic dryer 6 to be dried, and then are put into the plastic plasticizing machine to be plasticized, and finally are injected again by the injection molding machine in a molten state, so that the waste plastics can be recycled, the environment is protected, and the pollution of the waste plastics to the environment is avoided; through the mutual cooperation between each equipment, make plastics recovery processing go on in proper order, the discarded plastics can carry out complete processing in each equipment, promotes discarded plastics recovery efficiency.

A primary crushing device and a secondary crushing device are arranged in the plastic crusher 1, the primary crushing device is arranged above the secondary crushing device, and the primary crushing device comprises a material receiving seat 21 arranged in the plastic crusher 1 and a rolling roller 22 arranged in the plastic crusher 1; the secondary crushing device comprises a grinding seat 32 which is arranged in the plastic crusher and can carry out spraying and a grinding roller 31 which is matched with the grinding seat 32; after entering the plastic crusher 1, plastics are subjected to primary crushing treatment through the mutual matching of the material receiving seat 21 and the grinding roller 22, large plastics entering the plastic crusher 1 are crushed, so that the large plastics are crushed into small plastics after entering the plastic crusher 1, the small plastics are dropped into a secondary crushing device, and the small plastics are crushed into small plastics through the mutual matching of the grinding seat 32 and the grinding roller 31, so that the plastics are crushed into required small particles, and the plastic crushing effect is improved; grind roller 31 and grind seat 32 when mutually supporting and carry out the breakage to plastics, grind seat 32 and spray the processing to plastics, through the work of spraying that grinds seat 32, the dust that produces when with broken plastics erodes, takes away the dust through rivers, prevents that the dust from flooding in the air, causes harm to operating personnel's health, promotes the security of production.

One side of the grinding seat 32 is fixedly connected to the inner wall of the plastic crusher 1, the other side of the grinding seat forms a circular truncated cone-shaped cavity in the plastic crusher 1, the grinding roller 31 corresponds to the circular truncated cone-shaped cavity formed by the grinding seat 32, a certain gap is left after the grinding roller 31 and the grinding seat 32 are assembled, and the gap between the upper part of the grinding seat 32 and the grinding roller 31 is larger than that between the lower part of the grinding seat and the grinding roller 31, so that plastics can be better crushed when being processed by a secondary crushing device; the grinding roller 31 is provided with an elastic cushion block 312, the elastic cushion block 312 is made of an elastic material and can be made of silica gel or rubber, the elastic cushion block 312 is fixed on the surface of the grinding roller 31 through bonding, a grinding plate 311 is arranged on the elastic cushion block 312, the grinding plate 311 is fixed on the elastic cushion block 312 through bonding, the grinding plate 311 wraps the elastic cushion block 312, and the elastic cushion block 312 is arranged between the grinding plate 311 and the grinding roller 31; the grinding plate 311 is arranged on the elastic cushion block 312, when the grinding roller 31 and the grinding seat 32 crush the plastics, the elastic cushion block 312 is extruded to deform, so that excessive plastics are prevented from entering the secondary crushing device, and a gap between the grinding roller 31 and the grinding seat 32 is blocked, so that the normal operation of the secondary crushing device is influenced; the grinding plate 311 is provided with a plurality of first convex blocks 314, the top of the grinding plate 311 is provided with a connecting bridge 313, the connecting bridge 313 is of an arch structure, the edge of the connecting bridge 313 is connected with the grinding plate 311 to wrap the top end of the grinding plate 311, the connecting bridge 313 is supported by an elastic material and has certain deformation capacity, when plastics fall in a gap between the grinding roller 31 and the grinding seat 32, the plastics are prevented from falling on the elastic cushion block 312 to influence the elastic cushion block 312, the supporting capacity of the connecting bridge 313 is improved through the arch design of the connecting bridge 313, the plastic blocking effect can be effectively achieved, and the service life of the elastic cushion block 312 is prolonged; the bottom surface of the grinding seat 32 is provided with a second bump 322 matched with the first bump 314; through mutually supporting of first lug 314 on the grinding roller 31 and the second lug 322 on grinding seat 32, promote the crushing effect of secondary crushing device, make plastics can be more effectively broken into the graininess.

The bottom of the plastic crusher 1 is provided with a clean water tank 15, one side of the plastic crusher 1 is provided with a water delivery pipe 4, and the water delivery pipe 4 is provided with a water pump 41 for assisting the water delivery function of the water delivery pipe 4; a water storage cavity 321 connected with the water delivery pipe 4 is arranged in the grinding seat 32, a spraying hole 323 is arranged at the bottom of the water storage cavity 321, the bottom surface of the water storage cavity 321 is the bottom surface of the grinding seat 32, and the spraying hole 323 is arranged between two adjacent second convex blocks 322; the lower end of the water pipe 4 is arranged in the plastic crusher 1 in a penetrating way and communicated with the clean water tank 15, and the upper end is arranged in the grinding seat 32 in a penetrating way and communicated with the water storage cavity 321; when the secondary crushing device crushes the plastics, the water pump 41 starts to work, the water pump 41 helps the water delivery pipe 4 to carry out water delivery operation, the water delivery pipe 4 transports water flow in the clean water tank 15 into the water storage cavity 321 under the action of the water pump, the water flow is accumulated in the water storage cavity 321 and is sprayed through the spraying holes 323 at the bottom of the water storage cavity 321, the plastics in the crushing treatment are sprayed, dust generated by crushing the plastics is washed by clean water, and the influence on the health of operators caused by excessive dust is prevented; meanwhile, the spraying holes 323 are formed between two adjacent second convex blocks 322, so that the plastic is prevented from being blocked when the grinding roller 31 and the grinding seat 32 crush the plastic, and the plastic blocked in the gap between the second convex blocks 322 is washed away, so that the device can normally operate.

The receiving seat 21 is arranged above the grinding seat 32, the receiving seat 21 is arranged obliquely, a feeding hole 11 is formed in the top of the plastic crusher 1, and the feeding hole 11 is arranged above the receiving seat 21; the utility model discloses a plastic crusher, including plastic crusher 1, feed inlet 11, material receiving seat 21, grinding seat 32, feed inlet 11, material receiving seat 21, the plastics that get into in the plastic crusher 1 through feed inlet 11 drop on material receiving seat 21, material receiving seat 21 upper surface slope sets up, the lower surface contacts with grinding seat 32 upper surface, material receiving seat 21 one side is fixed on plastic crusher 1 inner wall, the opposite side forms the through-hole in plastic crusher 1, when plastics drop on material receiving seat 21, plastics roll along the inclined plane of material receiving seat 21 upper surface, play buffering guide effect to plastics, subtract the gravitational potential energy of the plastics that drop in plastic crusher 1, carry out crushing treatment to plastics in leading-in secondary crushing device with plastics.

The roller 22 is located connect material seat 21 top, be equipped with a plurality of sand grips 23 on the roller 22, roller 22 is located and is close to through-hole department in the middle part of connecing material seat 21, roller 22 and connect and leave certain clearance between the material seat 21, sand grip 23 cross-section is semi-circular, evenly distributed is on roller 22, when plastics drop on connecing flitch 21, roller 22 begins to rotate, plastics down roll along the inclined plane that connects on flitch 21, blocked by roller 22, roller 22 pushes down plastics through sand grip 23 at the pivoted in-process, make plastics pass from roller 22 and the gap that connects between flitch 21, carry out preliminary broken handle to bold plastics, it is convenient for by secondary breaker to be broken into fritter plastics to make it.

A first connecting rod 12 is arranged in the plastic crusher 1, a bearing block 121 is arranged on the first connecting rod 12, a driving motor 33 is arranged on the bearing block 121, an output shaft of the driving motor 33 is connected with the grinding roller 31, the driving motor 33 is arranged below the grinding roller 31, the driving motor is protected, and the situation that the broken plastic falls down to smash the driving motor 33 to influence the service life of the driving motor 33 is prevented; the first connecting rod 12 is arranged to provide a supporting force for the bearing block 121, and the first connecting rod 12 is in a round tube shape, so that the situation that the first connecting rod 12 blocks plastic when the plastic falls is avoided, and the plastic falling on the first connecting rod 12 continuously falls along the surface of the first connecting rod 12; the bearing block 121 provides supporting force for the driving motor 33 and the grinding roller 31, and the first connecting rod 12 can be provided with a plurality of rods, so that the supporting effect on the bearing block 121 is increased, the reliability of the equipment is improved, and the service life of the equipment is prolonged; the driving motor 33 provides power for the grinding roller 31, so that the grinding roller 31 can cooperate with the grinding seat 32 to complete the plastic crushing work.

A material receiving plate 5 is arranged below the grinding roller 31, the material receiving plate 5 is obliquely arranged, water seepage holes 51 are formed in the material receiving plate 5, the material receiving plate 5 is used for receiving crushed plastics, the crushed plastics are uniformly collected on the material receiving plate 5, and crushed plastics falling on the material receiving plate 5 roll down to the bottom surface of an inclined plane along the inclined plane obliquely arranged on the material receiving plate 5, so that the materials on the material receiving plate 5 can be conveniently discharged; the water seepage holes 51 are used for filtering water falling from spraying, so that water flow falling on the material receiving plate 5 falls into the clean water tank 15 at the bottom of the plastic crusher 1 through the water seepage holes 51, and the phenomenon that the bearing burden of the material receiving plate 5 is increased due to excessive water accumulation on the material receiving plate 5 is avoided; the water seepage holes 51 are matched with the clean water tank 15, so that water flow is recycled, a large amount of waste of water is avoided, and the environment-friendly concept is met; one end of the material receiving plate 5 is movably connected with the plastic crusher 1, the movable connection can be hinged, a cavity 18 is arranged on the inner wall of the plastic crusher 1, a vibration spring 181 is arranged in the cavity 18, the other end of the material receiving plate 5 is connected with the vibration spring 181, the bottom end of the vibration spring 181 is fixedly connected with the cavity 18, the top end of the vibration spring 181 is fixedly connected with one end of the material receiving plate 5, when the plastic falls on the material receiving plate 5, because plastics drop the gravitational potential energy who produces, make and connect flitch 5 to push down vibrations spring 181, vibrations spring 181 kick-backs under the effect of elasticity, make and connect flitch 5 to produce vibrations effect, connect flitch 5 to produce vibrations round swing joint point under the effect of vibrations spring 181, the material on the flitch 5 is shaken off to the help, be convenient for shake the material and scatter, make rivers can through the better through infiltration hole 51 whereabouts in space between the material, avoid rivers to store up on connecing flitch 5.

A movable door 16 is further arranged on one side of the plastic crusher 1, the movable door 16 is arranged at the bottom end of an inclined plane formed by the material receiving plate 5, one end of the movable door 16 is hinged to the side wall of the plastic crusher 1, the hinged point of the movable door 16 is overlapped with the connecting point of the material receiving plate 5 and the plastic crusher 1, a first electromagnet 161 is arranged at the top end of the interactive door 16, and a second electromagnet 17 matched with the first electromagnet 161 is arranged on the plastic crusher 1; after plastics crushing process, first electro-magnet 161 and second electro-magnet 17 outage, make the electro-magnet lose magnetism, dodge gate 16 loses magnetic force effect and 1 disconnection of plastics breaker, dodge gate 16 overturns round the pin joint, form the inclined plane with the ground of plastics breaker 1 one side, the inclined plane slope that dodge gate 16 and bottom surface formed is the same with the inclined plane slope that connects flitch 5, down roll down through the effect on inclined plane by broken plastics, discharge in the plastics breaker 1 through dodge gate 16 with broken plastics, be convenient for to broken plastics recovery process.

An equipment cavity 13 is formed in one side of the plastic crusher 1, a vibration motor 14 is arranged in the equipment cavity 13, and a cam 141 is arranged on an output shaft of the vibration motor 14; the vibration motor 14 and the driving motor 33 are waterproof motors which can be purchased normally in the market; the vibration motor 14 is arranged in the equipment cavity 13, so that the vibration motor 14 is protected, and the long-term exposure of the vibration motor 14 is prevented from influencing the service life of the vibration motor 14; when the vibration motor 14 works, the cam 141 is driven to rotate, the flange of the cam 141 is in discontinuous contact with the material receiving plate 5 when the cam 141 rotates, and the material receiving plate 5 vibrates under the action of the vibration spring 181, so that one end of the material receiving plate 5 vibrates around a movable connection point, the plastic scraps are prevented from blocking the water seepage holes 51, the blocking objects in the water seepage holes 51 are shaken off, and the water flow can better fall from the water seepage holes 51; when the movable door 16 is opened to discharge the plastic crushed objects on the material receiving plate 5, the vibration motor 14 continues to work, and through the cooperation of the cam 141 and the vibration spring 181, the material receiving plate 5 is vibrated continuously, so that the plastic on the material receiving plate is shaken off, the plastic can better perform rolling along the inclined plane formed by the material receiving plate 5, and the plastic can be discharged out of the plastic crusher 1 conveniently.

A loading box 7121 is arranged in the plastic drying machine 6, a material taking device is arranged at the top of the plastic drying machine 6 and used for taking dried plastic out of the plastic drying machine 6, a movable door is arranged on the side wall of the loading box 7121, and the plastic can be placed into the loading box 7121 through the movable door, so that the loading box 7121 can carry the plastic; the hot air blower 63 is arranged on one side of the plastic drying machine 6, the exhaust port 64 is arranged below the hot air blower 63, when the plastic enters the plastic drying machine 6 to perform drying action on the plastic, the hot air blower 63 provides hot air for the plastic drying machine 6, so that the interior of the plastic drying machine 6 is in a high-temperature drying environment, the plastic is convenient to dry, and the exhaust port 64 is used for exhausting normal-temperature air in the plastic drying machine 6; when the hot air blower 63 blows hot air into the plastic drying machine 6, the hot air drifts towards the top of the plastic drying machine 6 in the plastic drying machine 6, cold air sinks towards the bottom of the plastic drying machine 6, and the sunk cold air is exhausted from the exhaust port 64 under the increase of the hot air, so that the temperature in the plastic drying machine 6 is higher, and the plastic drying effect is improved; the top of the plastic drying machine 6 is provided with a box cover 62, the plastic drying machine 6 is internally provided with a turnover device for driving the material carrying box 7121 to rotate, the box cover 62 is provided with a stepping motor 7 for driving the turnover device, the stepping motor 7 is fixedly connected to the box cover 62, and the side wall of the material carrying box 7121 is provided with air holes 71211; hot air can enter the material loading box 7121 through the air holes 71211 on the material loading box 7121 to dry the plastic in the material loading box 7121, and the plastic is dried by the material loading box 7121, so that the plastic is integrally placed in the high-temperature environment of the plastic dryer 6, and the plastic can be dried better; through turning device's setting, make and carry workbin 7121 and load plastics and produce when drying in plastic drying machine 6 and rotate, will carry the plastics in the workbin 7121 through rotating and overturn, avoid plastics to pile up and influence plastics drying effect in one, turn over the top with the plastics of bottom through the upset, make the plastics homoenergetic in carrying workbin 7121 can obtain better drying effect, can accomplish the drying to plastics in short time, promote plastics drying efficiency.

The turning device comprises a transmission shaft 71 arranged on an output shaft of the stepping motor 7, a bearing seat 711 arranged on the transmission shaft 71, a second connecting rod 712 arranged on the bearing seat 711 and a rolling wheel 7122 arranged at one end of the second connecting rod 712, wherein a bearing is arranged on the bearing seat 711, and the second connecting rod 712 is connected with the bearing seat 711 through the bearing; the material loading box 7121 is fixedly connected to the second connecting rod 712, the inner wall of the plastic dryer 6 is provided with a contact plate 67 which is in contact with the rolling wheel 7122, a first supporting seat 68 is arranged below the contact plate 67, the first supporting seat 68 is of a triangular structure, and the supporting effect of the first supporting seat 68 is improved by utilizing the triangular stability principle; the rolling wheel 7122 is provided with first meshing teeth, and the contact plate 67 is provided with second meshing teeth matched with the first meshing teeth.

When plastics are placed in the material loading box 7121 and put into the plastic drying machine for drying, the hot air machine 63 is started to work, hot air with a certain temperature is generated in the plastic drying machine 6, the stepping motor 7 works to drive the transmission shaft 71 to rotate, the transmission shaft 71 rotates to drive the material loading box 7121 on the second connecting rod 712 to rotate around the transmission shaft 71, the material loading box 7121 generates a centrifugal effect in the rotating process, water on the surface of the plastics is thrown out, the plastics are dried under the action of the hot air machine 63 and the centrifugal force, and the drying effect of the plastics is improved; the second connecting rod 712 drives the rolling wheel 7122 to rotate when rotating, the rolling wheel 7122 is contacted with the contact plate 67, the first meshing tooth and the second meshing tooth are matched, the rolling wheel 7122 is enabled to rotate when being contacted with the contact plate 67, and the material loading box 7121 on the second connecting rod 712 is driven to overturn, the material loading box 7121 is enabled to overturn around the rotating process of the transmission shaft 71, plastics in the material loading box 7121 are overturned through overturning, the plastics at the bottom are overturned to the top, the situation that a part of plastics cannot be well dried when the plastics are piled up together is avoided, the plastics are better contacted with hot air in the overturning and rotating process of the material loading box 7121, the time required by drying the plastics is shortened, and the drying efficiency of the plastics is improved.

Mounting plates 65 are respectively arranged on two side walls of the plastic dryer 6, a second supporting seat 66 is arranged at the bottom of each mounting plate 65, and the material taking device is arranged on the mounting plates 65; the second support seat 66 is in a triangular structure, and the supporting effect of the second support seat 66 is improved by utilizing the principle that the triangle has stability; the mounting plate 65 is used for mounting a material taking device, the material taking device is arranged at the top of the plastic drying machine 6 through the mounting plate 65, the function of automatically taking materials is achieved, dried plastics can be taken out of the plastic drying machine 6 conveniently after the plastics are dried, and the plastic processing efficiency is improved; second supporting seat 66 plays the supporting role to mounting panel 65, makes the mounting panel 65 can be better play the supporting role to extracting device, makes extracting device can be more steady carry out work.

The material taking device comprises a first support rod 8 arranged on the mounting plate 65, a fixed rod 91 arranged on the first support rod 8, a nut 9 arranged on the fixed rod 91 and a threaded rod 72 arranged at the tail end of an output shaft of the stepping motor 7, wherein an installation cavity 81 is arranged on the first support rod 8, a cylinder 811 is arranged at the top of the installation cavity 81, a support spring 812 is arranged at the bottom of the installation cavity 81, and one end of the fixed rod 91 is arranged in the installation cavity 81 in a penetrating manner; the bottom of the supporting spring 812 is fixedly connected with the bottom of the mounting cavity 81, the top of the supporting spring is fixedly connected with the bottom of the fixing rod 91, two ends of the fixing rod 91 can move up and down in the mounting cavity 81 at a certain distance, and a piston rod of the air cylinder 811 is fixedly connected with the top surface of the fixing rod 91; the nut 9 is not contacted with the threaded rod 72 in a normal state, when the material loading box 7121 is used for drying the plastics in the plastic dryer 6, the threaded rod 72 idles, and the plastic is prevented from being lifted out of the plastic dryer 6 when being dried to influence the drying effect of the plastics; after the plastics are dried, the stepping motor 7 stops working, the air cylinder 811 starts working, the air cylinder 811 pushes the piston rod to move downwards, the piston rod pushes the fixing rod 91 to move downwards, and the two ends of the fixing rod 91 drive the nut 9 on the fixing rod 91 to move downwards when moving downwards, so that the nut 9 is lowered to a position in contact with the threaded rod 41, and the supporting spring 812 is compressed; at the moment, the stepping motor 7 is started to enable the stepping motor 7 to start working, the stepping motor 7 drives the threaded rod 72 to rotate, the threaded rod 72 rotates into the nut 9 through the thread fit between the threaded rod 72 and the nut 9 in the rotating process, at the moment, the threaded rod 72 continues to rotate, the threaded rod 72 continues to move upwards through the thread fit between the threaded rod 72 and the nut 9, the stepping motor 7 and the box cover 72 are driven to move upwards, and therefore the material loading box 7121 is lifted out of the plastic drying machine 6, and the collection treatment of the plastic in the material loading box 7121 is facilitated; after the plastic is taken out from the material loading box 7121, the stepping motor 7 rotates reversely, so that the threaded rod 72 descends by matching with the nut 9, the box cover 62 is installed back on the plastic drying machine 6 again, the cylinder 811 withdraws the piston rod, the fixed rod 91 rises upwards for a certain distance under the combined action of the elasticity of the fixed spring 812 and the cylinder 811, the nut 9 is disconnected with the threaded rod 72, and the material taking device is in an inoperative state.

A reinforcing rod 621 is arranged on the box cover 62, the reinforcing rods 621 are respectively arranged on two sides of the stepping motor 7, and a fixing claw 6211 is arranged at the top of each reinforcing rod 621; reinforcing rod 621 is used for consolidating the effect of being connected between step motor 7 and case lid 62, stationary dog 6211 plays limiting displacement to step motor 7, make installing on case lid 62 that step motor 7 can be stable, when threaded rod 72 and nut 9 mutually support with carrying in the workbin 7121 takes out from the plastic drying machine 6, the fixed action to the motor is consolidated to dead lever 91 and stationary dog 6211, make the motor drive case lid 62 and carry the workbin 7121 and rise out the plastic drying machine, be convenient for collect the plastics after the drying.

The bottom of the plastic dryer 6 is provided with a second support rod 69, the top of the second support rod 69 is provided with a matching wheel 691, and the bottom surface of the transmission shaft 71 is provided with a groove 763 matched with the matching wheel 691; the matching wheel 691 can rotate freely, and the edge of the matching wheel 691 is designed to be smooth; the second support rod 69 supports the transmission shaft 71, so that damage caused by overlarge stress when the transmission shaft 71 drives the loading box 7121 to rotate is avoided, and the service life of the transmission shaft 71 is prolonged; the transmission shaft 71 is limited by the matching of the matching wheel 691 and the groove 763, so that the position of the transmission shaft 71 is determined by the second support rod 69 when the transmission shaft 71 is installed in the plastic dryer 6, and the influence of deviation generated when the transmission shaft 71 is installed on the plastic drying effect is avoided; cooperate through cooperation wheel 691 and recess 763, make transmission shaft 71 cooperate the wheel to rotate along with transmission shaft 71 when rotating, make second bracing piece 69 play the supporting role to transmission shaft 71 under the prerequisite that does not influence transmission shaft 71 pivoted, promote second bracing piece 69's practicality.

Be equipped with insulating layer 61 in the 6 lateral walls of plastic drying machine, insulating layer 61 adopts and hinders hot material and make, can adopt rubber materials to make, increases the thermal-insulated effect of insulating layer 61, makes insulating layer 61 can play the heat preservation effect to plastic drying machine 6, makes the temperature in the plastic drying machine 6 maintain a definite value all the time, avoids the temperature in the plastic drying machine 6 to give off and influences the plastics drying effect, reduces the dry required time of plastics, promotes plastics drying efficiency.

The exhaust port 64 is of a duckbill structure; set up through the duckbilled and avoid external air to get into in the plastic drying machine 6 influence to the plastics drying, gas vent 64 can be discharged the gas in the plastic drying machine 6 and prevent that the external air from getting into, makes plastic drying machine 6 and external atmospheric pressure be in steady state, avoids the too big incident that causes of the interior atmospheric pressure of plastic drying machine 6, promotes plastic drying machine's security.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a raise efficiency's waste plastic recovery processing system, includes plastic crusher (1), plastic drying machine (6), plastics plasticator and injection molding machine, be equipped with preliminary breaker and secondary crushing device in plastic crusher (1), preliminary breaker locates the secondary crushing device top, plastic drying machine (6) one side is equipped with air heater (63), air heater (63) below is equipped with gas vent (64), plastic drying machine (6) top is equipped with case lid (62), be equipped with extracting device on case lid (62), still be equipped with in plastic drying machine (6) and carry workbin (7121), be equipped with ventilative hole (71211) on the workbin (7121) lateral wall, its characterized in that: the secondary crushing device comprises a grinding seat (32) which is arranged in the plastic crusher (1) and can be sprayed and a grinding roller (31) which is matched with the grinding seat (32);

a clean water tank (15) is arranged at the bottom of the plastic crusher (1), a water conveying pipe (4) is arranged on one side of the plastic crusher (1), a water storage cavity (321) connected with the water conveying pipe (4) is arranged in the grinding seat (32), and spraying holes (323) are arranged at the bottom of the water storage cavity (321);

the grinding roller (31) is provided with an elastic cushion block (312), the elastic cushion block (312) is provided with a grinding plate (311), and the grinding plate (311) is provided with a plurality of first convex blocks (314);

the top of the grinding plate (311) is provided with a connecting bridge (313), and the bottom surface of the grinding seat (32) is provided with a second bump (322) matched with the first bump (314);

a turning device for driving the material loading box (7121) to rotate is arranged in the plastic dryer (6), and a stepping motor (7) for driving the turning device is arranged on the box cover (62);

the overturning device comprises a transmission shaft (71) arranged on an output shaft of the stepping motor (7), a bearing seat (711) arranged on the transmission shaft (71), a connecting rod (712) arranged on the bearing seat (711), and a rolling wheel (7122) arranged at one end of the connecting rod (712), wherein the material loading box (7121) is fixedly connected to the connecting rod (712);

a contact plate (67) which is in contact with the rolling wheel (7122) is arranged on the inner wall of the plastic dryer (6), a first supporting seat (68) is arranged below the contact plate (67), first meshing teeth are arranged on the rolling wheel (7122), and second meshing teeth matched with the first meshing teeth are arranged on the contact plate (67);

the material taking device comprises a first support rod (8), a fixed rod (91) arranged on the first support rod (8), a nut (9) arranged on the fixed rod (91) and a threaded rod (72) arranged at the tail end of an output shaft of the stepping motor (7);

an installation cavity (81) is formed in the first supporting rod (8), an air cylinder (811) is arranged at the top of the installation cavity (81), a supporting spring (812) is arranged at the bottom of the installation cavity (81), and one end of the fixing rod (91) is arranged in the installation cavity (81) in a penetrating mode;

a water pump (41) is arranged on the water conveying pipe (4) on one side of the plastic crusher (1) and used for assisting the water conveying effect of the water conveying pipe (4), the bottom surface of a water storage cavity (321) in the plastic crusher (1) is the bottom surface of the grinding seat (32), a spraying hole (323) is arranged between two adjacent second convex blocks (322), the lower end of the water conveying pipe (4) is arranged in the plastic crusher (1) in a penetrating manner and communicated with the clean water tank (15), and the upper end of the water conveying pipe is arranged in the grinding seat (32) in a penetrating manner and communicated with the water storage cavity (321);

preliminary breaker is including locating material receiving seat (21) in the plastic crusher (1) and locating in roll (22) in the plastic crusher (1), roll (22) are located material receiving seat (21) top, be equipped with a plurality of sand grips (23) on roll (22), roll (22) are located material receiving seat (21) middle part and are close to through-hole department, roll (22) and connect and leave certain clearance between material receiving seat (21), sand grip (23) cross-section is semi-circular, evenly distributed is on roll (22), when plastics drop on material receiving seat (21), roll (22) begin to rotate, plastics down roll down along the inclined plane on material receiving seat (21), are blocked by roll (22), roll (22) are pushed down plastics through sand grip (23) at the pivoted in-process, enabling the plastic to pass through a gap between the rolling roller (22) and the material receiving seat (21);

the plastic crusher (1) is internally provided with a first connecting rod (12), the first connecting rod (12) is provided with a bearing block (121), the bearing block (121) is provided with a driving motor (33), an output shaft of the driving motor (33) is connected with the grinding roller (31), the driving motor (33) is arranged below the grinding roller (31) and plays a role in protecting the driving motor, the broken plastic is prevented from falling off, the driving motor (33) influences the service life of the driving motor (33), the first connecting rod (12) is arranged to provide supporting force for the bearing block (121), the first connecting rod (12) is in a round pipe shape, the situation that the first connecting rod (12) blocks the plastic when the plastic falls is avoided, the plastic falling on the first connecting rod (12) continues to fall along the surface of the first connecting rod (12) is avoided, and the bearing block (121) provides supporting force for the driving motor (33) and the grinding roller (31), the first connecting rods (12) are provided with a plurality of connecting rods, so that the supporting effect on the bearing blocks (121) is improved;

the grinding roll is characterized in that a material receiving plate (5) is arranged below the grinding roll (31), the material receiving plate (5) is obliquely arranged, a water seepage hole (51) is formed in the material receiving plate (5), the material receiving plate (5) is used for receiving broken plastics, the broken plastics are uniformly collected on the material receiving plate (5), broken plastics falling on the material receiving plate (5) roll to the bottom surface of an inclined plane along the inclined plane formed by the material receiving plate (5) in an inclined mode, the materials on the material receiving plate (5) are conveniently discharged, one end of the material receiving plate (5) is movably connected with the plastic crusher (1), the movable connection is hinged, a cavity (18) is formed in the inner wall of the plastic crusher (1), a vibration spring (181) is arranged in the cavity (18), the other end of the material receiving plate (5) is connected with the vibration spring (181), and the bottom end of the vibration spring (181) is fixedly connected with the cavity (18), the top end is fixedly connected with one end of the material receiving plate (5);

a movable door (16) is further arranged on one side of the plastic crusher (1), the movable door (16) is arranged at the bottom end of an inclined plane formed by the material receiving plate (5), one end of the movable door (16) is hinged to the side wall of the plastic crusher (1), the hinged point of the movable door is overlapped with the connecting point of the material receiving plate (5) and the plastic crusher (1), a first electromagnet (161) is arranged at the top end of the movable door (16), and a second electromagnet (17) matched with the first electromagnet (161) is arranged on the plastic crusher (1);

an equipment cavity (13) is formed in one side of the plastic crusher (1), a vibration motor (14) is arranged in the equipment cavity (13), a cam (141) is arranged on an output shaft of the vibration motor (14), the vibration motor (14) is arranged in the equipment cavity (13), the vibration motor (14) is protected, and the vibration motor (14) is prevented from being exposed outside for a long time to influence the service life of the vibration motor (14);

the plastic drying machine is characterized in that mounting plates (65) are arranged on two side walls of the plastic drying machine (6) respectively, a second supporting seat (66) is arranged at the bottom of each mounting plate (65), the material taking device is arranged on each mounting plate (65), each second supporting seat (66) is of a triangular structure, and the supporting effect of each second supporting seat (66) is improved by utilizing the principle that each triangle has stability; the mounting plate (65) is used for mounting the material taking device, and the material taking device is arranged at the top of the plastic drying machine (6) through the mounting plate (65);

the box cover (62) is provided with reinforcing rods (621), the reinforcing rods (621) are respectively arranged on two sides of the stepping motor (7), the top of each reinforcing rod (621) is provided with a fixing claw (6211), each reinforcing rod (621) is used for reinforcing the connection effect between the stepping motor (7) and the box cover (62), and each fixing claw (6211) has a limiting effect on the stepping motor (7) so that the stepping motor (7) can be stably installed on the box cover (62);

a second supporting rod (69) is arranged at the bottom of the plastic dryer (6), a matching wheel (691) is arranged at the top of the second supporting rod (69), the bottom surface of the transmission shaft (71) is provided with a groove (763) matched with the matching wheel (691), the matching wheel (691) can rotate freely, the edge of the matching wheel (691) is designed to be smooth, the second support rod (69) supports the transmission shaft (71), the transmission shaft (71) is prevented from being damaged due to overlarge stress when the transmission shaft (71) rotates the driving loading box (7121), and the service life of the transmission shaft (71) is prolonged, the transmission shaft (71) is limited by the matching of the matching wheel (691) and the groove (763), so that the position of the transmission shaft (71) is determined by the second support rod (69) when the transmission shaft (71) is installed in the plastic drying machine (6), and the influence on the plastic drying effect caused by deviation generated when the transmission shaft (71) is installed is avoided; the matching wheel (691) is matched with the groove (763), so that the matching wheel rotates along with the transmission shaft (71) when the transmission shaft (71) rotates, the second support rod (69) can support the transmission shaft (71) on the premise of not influencing the rotation of the transmission shaft (71), and the practicability of the second support rod (69) is improved;

a heat insulation layer (61) is arranged in the side wall of the plastic drying machine (6), the heat insulation layer (61) is made of a heat-resistant material, the heat-resistant material is rubber, the heat insulation effect of the heat insulation layer (61) is improved, and the heat insulation layer (61) can play a heat insulation role in the plastic drying machine (6);

the exhaust port (64) is of a duckbill structure; the duckbill opening is arranged to prevent external air from entering the plastic dryer (6) to influence the drying of the plastic, the air outlet (64) discharges the air in the plastic dryer (6) to prevent the external air from entering, so that the air pressure of the plastic dryer (6) and the external air is in a stable state;

the receiving seat (21) is arranged above the grinding seat (32), the receiving seat (21) is obliquely arranged, a feeding hole (11) is formed in the top of the plastic crusher (1), and the feeding hole (11) is arranged above the receiving seat (21); the two feeding holes (11) are respectively arranged at the left side and the right side of the top of the plastic crusher (1), and the feeding holes (11) are funnel-shaped; when the vibration motor (14) works, the cam (141) is driven to rotate, the flange of the cam (141) is in discontinuous contact with the material receiving plate (5) when the cam (141) rotates, and the material receiving plate (5) generates vibration under the action of the vibration spring (181); one end of the material receiving plate (5) shakes around the movable connecting point; after the plastic is dried, the stepping motor (7) stops working, the air cylinder (811) starts working, the air cylinder (811) pushes the piston rod to move downwards, the piston rod pushes the fixing rod (91) to move downwards, and the two ends of the fixing rod (91) drive the nut (9) on the fixing rod (91) to move downwards when moving downwards, so that the nut (9) descends to a position in contact with the threaded rod (72), and the supporting spring (812) is compressed; at the moment, the stepping motor (7) is started to work, the stepping motor (7) drives the threaded rod (72) to rotate, the threaded rod (72) is rotated into the nut (9) through the thread fit between the threaded rod and the nut (9) in the rotating process, the threaded rod (72) continues to rotate at the moment, the threaded rod (72) continues to move upwards through the thread fit between the threaded rod and the nut (9) to drive the stepping motor (7) and the box cover (62) to move upwards, so that the loading box (7121) is lifted out of the outer side of the plastic dryer (6), after the plastic is taken out from the loading box (7121), the stepping motor (7) rotates reversely, the threaded rod (72) descends through the fit between the threaded rod and the nut (9), the box cover (62) is remounted on the plastic dryer (6), the piston rod is withdrawn by the air cylinder (811), and the fixing rod (91) is lifted upwards for a certain distance under the combined action of the elasticity of the fixing spring (812) and the air cylinder (811), the nut (9) is disconnected from the threaded rod (72).