CN112375307B

CN112375307B - Environment-friendly plastic-based heat conduction material and preparation method thereof

Info

Publication number: CN112375307B
Application number: CN202011206625.5A
Authority: CN
Inventors: 章钢锋; 陈君
Original assignee: Zhejiang Miaoyi Valve Co ltd
Current assignee: Zhejiang Miaoyi Valve Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-09
Anticipated expiration: 2040-11-02
Also published as: CN112375307A

Abstract

The invention relates to an environment-friendly plastic-based heat conduction material and a preparation method thereof, wherein the environment-friendly plastic-based heat conduction material is prepared from the following raw materials in parts by weight: 45-55 parts of modified polypropylene PPR; 55-65 parts of graphite powder, has excellent heat-conducting property, strong corrosion resistance and good electromagnetic wave shielding effect with high stability; 0.6-1.2 parts of europium oxide; 3.5-4.5 parts of a flexibilizer PPB-8101, which is used for improving the toughness of the environment-friendly plastic-based heat conduction material and controlling low-temperature cell cracking; 0.15-0.18 part of nucleating agent WBG, which improves the crystallization rate and crystal form and increases the rigidity strength; 0.1-0.12 part of antioxidant PKY-225, so that the prepared environment-friendly plastic-based heat-conducting material has greatly improved stability and corresponding antioxidant performance; 0.06-0.1 part of stabilizer RWS, the thermal stability is greatly improved, and the oxidation in the preparation process is prevented.

Description

Environment-friendly plastic-based heat conduction material and preparation method thereof

Technical Field

The invention relates to an environment-friendly plastic-based heat conduction material and a preparation method thereof.

Background

At present, a water heat exchange, water-vapor heat exchange or air heat exchange below 100 ℃ and solar water heater heat collection device required by the fields of building heating, new energy, developed fire power, electronic engineering, fuel oil, fuel gas power engineering and the like is needed, the device is prepared from metal materials such as copper, aluminum, steel and the like, although the device has a heat conduction function, the device is not corrosion-resistant, high in manufacturing cost, low-temperature-resistant and poor in rigidity strength, and the oxidation resistance is common. In the manufacturing process, on one hand, raw materials are usually in powder and small granular shapes, the mixing structure of the existing mixing device is single, the poor mixing quality is difficult to obtain a mixture with high uniformity, the quality of the mixture extruded from the extruder is uneven, the quality of the prepared environment-friendly plastic-based heat conduction material is poor, the heat conduction is uneven, on the other hand, in the mixing process, part of the mixture is easy to block in the mixing structure inside the mixing device, the phenomenon of uneven mixing is further caused, the phenomena of blocking and difficult blanking of the powder and granular materials are also easy to occur on the inner wall or the bottom of the mixing device, and the problems are numerous and more points needing to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the environment-friendly plastic-based heat conduction material which is high in mixing quality, uniform in mixing and convenient to use and the preparation method thereof.

The technical scheme of the invention is realized as follows: the environment-friendly plastic-based heat conduction material is characterized by comprising the following raw materials in parts by weight: 45-55 parts of modified polypropylene PPR; 55-65 parts of graphite powder; europium oxide in 0.6-1.2 weight portions; 3.5-4.5 parts of flexibilizer PPB-8101; 0.15-0.18 parts of nucleating agent WBG; 0.1 to 0.12 portion of antioxidant PKY-225; 0.06-0.1 part of stabilizer RWS by weight.

By adopting the technical scheme, the raw materials of the environment-friendly plastic-based heat conduction material are added with 55-65 parts of graphite powder by weight, and the graphite powder has excellent heat conduction performance, and has strong corrosion resistance, high stability and good electromagnetic wave shielding effect, 3.5 to 4.5 weight portions of flexibilizer PPB-8101, used for improving the toughness of the environment-friendly plastic-based heat conduction material, controlling low-temperature cell cracking, adding 0.15-0.18 part of nucleating agent WBG by weight, improving the crystallization rate and crystal form, increasing the rigidity strength, adding 0.1-0.12 part of antioxidant PKY-225 by weight, the prepared environment-friendly plastic-based heat conduction material has greatly improved stability and corresponding oxidation resistance, and the stabilizer RWS is added, the weight portion is 0.06-0.1, so that the heat stability is greatly improved, and the oxidation is prevented in the preparation process.

The invention also discloses a preparation device suitable for the environment-friendly plastic-based heat conduction material, which is characterized by comprising a mixing hopper with a cylindrical upper part and a conical lower part, the top of the mixing hopper is covered with a top plate, the bottom of the mixing hopper is provided with a discharge valve, the top plate is provided with a feeding pipe, a driving shaft is inserted on the top plate in a rotating way, the driving shaft is provided with a hollow accommodating cavity, a plurality of telescopic elastic bodies are sequentially arranged on the outer wall of the driving shaft and positioned in the mixing hopper at intervals from top to bottom, the inner part of the elastic body is provided with an inner cavity which is communicated with the accommodating cavity through a through hole arranged on the outer wall of the driving shaft, the top plate is worn out to the driving shaft upper end and is communicated with the air source, a plurality of hemispherical elastic hemispheres are highly and evenly arranged on the upper portion of the inner wall of the mixing hopper along the circumferential direction, and cavities are formed in the elastic hemispheres.

By adopting the technical scheme, the upper part of the mixing hopper is cylindrical, the lower part of the mixing hopper is conical, the mixing hopper is convenient to discharge after mixing, when in use, raw materials of environment-friendly plastic-based heat conduction materials are added into the mixing hopper through the feeding pipe, the top plate is rotatably inserted with the driving shaft, the driving shaft is provided with a hollow accommodating cavity, a plurality of telescopic elastomers are sequentially arranged on the outer wall of the driving shaft and positioned in the mixing hopper at intervals from top to bottom, an inner cavity is arranged inside each elastomer, the inner cavity is communicated with the accommodating cavity through a through hole arranged on the outer wall of the driving shaft, the upper end of the driving shaft penetrates out of the top plate and is communicated with an air source, when in stirring, the accommodating cavity inside the driving shaft is intermittently inflated and exhausted by the air source, the elastomers on the outer wall of the driving shaft realize intermittent transverse expansion, raw material particles and powder, the inside cavity that has of elasticity hemisphere, the elastomer transversely bulldozes the raw materials and the propelling movement between the elasticity hemisphere of decurrent, collide the elasticity hemisphere, make it produce vibrations, and further vibrations transmit to the raw materials, make the raw materials misce bene with higher speed, improve the mixed effect, extrusion and vibrations in-process that lasts, the mixing quality to the raw materials has been improved, convenient to use simple structure, accomplish after mixing, stop the air supply work, afterwards, open the bleeder valve that is located the mixing hopper bottom, discharge the mixture among the screw conveyor, the mixture is during screw conveyor carries the extruder, plastify under the state of extruder heating and extrude, then the cooling cuts off according to corresponding specification again, obtain environmental protection type and mould base heat conduction material.

The invention is further configured to: the lower end of the driving shaft is provided with a wing-shaped spiral blade which is long and extends outwards from the lower end of the driving shaft, is twisted along the length of the blade, the curved surface of the blade is formed to gently lift and rotate the raw materials so as to be mixed at the middle lower part of the mixing hopper, the blade also comprises an upper shoulder part, the upper shoulder part extends outwards from the vicinity of the axis of the driving shaft and is formed to enable the raw materials which tend to move upwards in the mixing hopper to move downwards, and the top of the top plate is provided with a driving and rotating assembly for driving the driving shaft to rotate.

By adopting the technical scheme, in order to further improve the mixing and stirring effect on the inner bottom of the mixing hopper and apply acting force to prevent unsmooth discharging in the discharging process, the lower end of the driving shaft is provided with the wing-shaped spiral blade which is long and extends outwards from the lower end of the driving shaft and is twisted along the length of the blade, the curved surface of the blade is formed to be gently lifted and rotate raw materials to be mixed at the middle lower part of the mixing hopper, the blade also comprises an upper shoulder part which extends outwards from the vicinity of the axis of the driving shaft and is formed to enable the raw materials which tend to move upwards in the mixing hopper to face downwards, when in use, the raw materials of the environment-friendly plastic-based heat conduction material are added into the mixing hopper through the feeding pipe, the top of the top plate is provided with the driving rotating assembly, the driving rotating assembly drives the driving shaft to rotate and, in the process of rotating the blades, raw materials at the bottom in the mixing hopper and positioned on the left side of the upper shoulder of the blades are gently lifted, the lifted raw materials are subjected to intermittent inflation and exhaust in an accommodating cavity in the driving shaft in the working state of an air source, an elastic body on the outer wall of the driving shaft realizes intermittent transverse expansion, raw material particles and powder in the mixing hopper are pushed and pressed, the raw materials lifted at the bottom of the mixing hopper are pushed and partially lifted, the elastic body transversely pushes and presses the raw materials and pushes the raw materials between the elastic hemispheres which face upwards and downwards to collide the elastic hemispheres to generate vibration, the vibration is further transmitted to the raw materials, the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, and the raw materials at the bottom in the mixing hopper and positioned on the right side of the upper shoulder of the blades tend to be efficiently contacted and mixed downwards along the right side of the blades, and in the continuous extrusion and vibration process, the mixing quality of the raw materials is improved, the use is convenient, the structure is simple, the mixing uniformity is high, after the mixing is completed, the air source work is stopped, then, the discharge valve at the bottom of the mixing hopper is opened, the mixture is discharged into the screw conveying device, the mixture is conveyed into the extruder through the screw conveying device, the mixture is plasticized and extruded in the heating state of the extruder, and then the mixture is cooled and cut off according to the corresponding specification, so that the environment-friendly plastic-based heat conduction material is obtained.

The invention is further configured to: the front edge of the blade becomes thinner relative to other parts of the blade, and the blade becomes thicker gradually from the front edge to the lower end of the driving shaft.

Through adopting above-mentioned technical scheme, set up the leading edge of blade into relative blade the rest thinnings for pass the raw materials at rotatory in-process, with the cutting of partial graininess raw materials, with the phenomenon of reduction card material, simultaneously, set up the blade into thickening gradually towards driving shaft lower extreme direction from the leading edge, be used for improving the bulk strength of blade.

The invention is further configured to: the drive runner assembly is including setting up at the driving motor at roof top and connecting the drive shaft at the driving motor output along vertical direction, be connected with the drive fluted disc in the drive shaft, be provided with driven fluted disc on the driving shaft, through drive fluted disc and the mutual transmission connection of driven fluted disc cooperation between driving shaft and the drive shaft, the driving shaft upper end is connected with the air supply through rotary joint.

By adopting the technical scheme, when in use, the raw material of the environment-friendly plastic-based heat conduction material is added into the mixing hopper through the feeding pipe, under the driving action of the driving motor, the driving shaft connected with the output end rotates and drives the driving fluted disc to rotate, the driving shaft and the driving shaft are mutually connected in a transmission way through the matching of the driving fluted disc and the driven fluted disc, so as to drive the driving shaft to rotate and simultaneously drive the blades at the lower end of the driving shaft to rotate, in the rotating process of the blades, the raw material at the bottom in the mixing hopper and on the left side of the upper shoulder of the blades is gently lifted, the upper end of the driving shaft is connected with the air source through the rotary joint, the rotary joint is used for keeping the driving shaft in the rotating state, the lifted raw material is intermittently inflated and exhausted in the accommodating cavity inside the driving shaft, raw material particles and powder inside the mixing hopper are pushed, the raw material lifted at the bottom of the mixing hopper is pushed and partially ascended, the elastic body transversely pushes and pushes the raw material between the elastic hemispheres which are arranged upwards and downwards, the elastic hemispheres are collided to generate vibration and further the vibration is transmitted to the raw material, so that the raw material is uniformly mixed at an accelerated speed, the mixing effect is improved, the raw material at the bottom in the mixing hopper and at the right side of the upper shoulder part of the blade is inclined to be efficiently contacted and mixed downwards along the right side surface of the blade in the rotating process of the blade, the mixing quality of the raw material is improved in the continuous extruding and vibrating process, the mixing hopper is convenient to use and simple in structure, the mixing uniformity is high, after the mixing is completed, the air source work is stopped, then, the discharge valve at the bottom of the mixing hopper is opened, the mixed material is discharged into the screw conveying, plasticizing and extruding the mixture in the heating state of an extruder, cooling the mixture, and cutting the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

The invention is further configured to: a fixed plate is arranged on the side wall of the driving shaft and positioned in the mixing hopper, the upper surface of the fixed plate is in sliding contact with the lower surface of the top plate, the lower surface of the fixing plate is provided with a rotary stir-frying surfing component for stirring and frying the upper surface of the raw material in real time to form waves, the rotary stir-frying surfing component comprises a hydraulic cylinder fixed on the lower surface of the fixing plate and a vertical hydraulic rod arranged at the output end of the hydraulic cylinder and connected with the hydraulic cylinder, the lower end of the vertical hydraulic rod is connected with a fixed box, a control rotating motor is arranged in the fixed box, the output end of the control rotating motor is connected with a rotating main shaft, one end of the rotating main shaft transversely rotates to penetrate through the fixed box and then is connected with a bearing seat, the upper portion of the bearing seat is connected with the fixing plate through a telescopic rod, and a plurality of stir-frying blade assemblies capable of adjusting the size of the stir-frying raw materials to form waves are arranged on the side wall of the rotating main shaft at intervals.

By adopting the technical scheme, in order to further cooperate with the efficient and uniform mixing of the raw materials at the top in the mixing hopper, a fixed plate is arranged on the side wall of the driving shaft and positioned in the mixing hopper, the upper surface of the fixed plate is in sliding contact with the lower surface of the top plate, the lower surface of the fixed plate is provided with a rotary stir-frying surfing assembly for stirring and frying the upper surface of the raw materials in real time to form waves along the circumferential direction, the wave is formed on the upper surface of the raw materials in the mixing hopper, the elastic body and the elastic hemispherical structure in the middle of the mixing hopper and the blade structure in the lower part are matched to form an integral combined mixing action, when in use, the raw materials of the environment-friendly plastic-based heat conduction material are added into the mixing hopper through the feeding pipe, under the driving action of the driving motor, the driving shaft connected with the output end rotates and drives the, thereby driving the rotation of the driving shaft, simultaneously driving the rotation of the blades at the lower end of the driving shaft, and in the process of the rotation of the blades, leading the raw materials at the bottom in the mixing hopper and positioned at the left side of the upper shoulder part of the blades to be gently lifted, the upper end of the driving shaft is connected with an air source through a rotary joint, the rotary joint is used for keeping the driving shaft in a rotating state, leading the lifted raw materials to carry out intermittent inflation and exhaust on an accommodating cavity in the driving shaft in a working state of the air source, leading the elastomer on the outer wall of the driving shaft to realize intermittent transverse expansion and contraction, leading the raw material particles and powder in the mixing hopper to be pushed, leading the lifted raw materials at the bottom of the mixing hopper to be partially lifted, leading the elastomer to transversely push the raw materials and push the raw materials between the elastic hemispheres which are arranged upwards, the mixing effect is improved, the raw materials at the bottom in the mixing hopper and on the right side of the upper shoulder of the blade tend to be in contact and mixed downwards and efficiently along the right side of the blade in the rotating process of the blade, the mixing quality of the raw materials is improved in the continuous extrusion and vibration processes, a vertical hydraulic rod connected with the output end of a hydraulic cylinder on the lower surface of a fixed plate is pushed downwards and drives a fixed box to descend, the fixed box descends together with a rotating main shaft and a bearing seat, so that a stir-frying blade component part arranged on the side wall of the rotating main shaft enters the upper surface of the raw materials, the hydraulic cylinder stops running, then a control rotating motor in the fixed box drives the rotating main shaft to rotate and drive the stir-frying blade component to hit, stir-fry the upper surface of the raw materials, the surfing effect is formed, the fixed plate is fixed on the side wall of a driving shaft, and when, the fixed plate is driven to rotate along the circumferential direction of the driving shaft, so that the rotating main shaft drives the stir-frying blade assembly to rotate while the fixed plate rotates, the raw materials rotate in all directions and are stir-fried and beaten on the upper surfaces of the raw materials to form continuous waves of particles and powder, the mixing quality of the raw materials is improved, the stir-frying blade assembly can adjust and change the size of the waves formed by beating, the variable waves with different sizes are formed when in use to further improve the uniform mixing degree of the upper surface of the raw materials, the adjustment and the use are convenient, the mixing uniformity is high, after the mixing is finished, stopping the air source, then opening a discharge valve at the bottom of the mixing hopper, discharging the mixture into a screw conveying device, conveying the mixture into an extruder through the screw conveying device, plasticizing and extruding the mixture in the heating state of an extruder, cooling the mixture, and cutting the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

The invention is further configured to: the stir-fry blade assembly comprises a square blade main body and a sliding groove arranged on the side wall of the blade main body, an extending groove communicated with the sliding groove is formed in the upper end of the blade main body, the stir-fry blade is slidingly arranged in the sliding groove, a control motor is arranged on the wall of one side of the sliding groove, which is far away from the extending groove, the output end of the control motor is connected with a control screw rod, and one end, which is far away from the control motor, of the control screw rod is rotationally inserted into the stir-fry blade to control the driving of the stir-fry blade to stretch out of the extending groove.

By adopting the technical scheme, along with the rotation of the fixed plate, the vertical hydraulic rod connected with the output end of the hydraulic cylinder positioned on the lower surface of the fixed plate is pushed downwards and drives the fixed box to descend, the fixed box descends together with the rotating main shaft and the bearing seat, so that the extending groove of the blade main body arranged on the side wall of the rotating main shaft enters the upper surface of the raw material, then, the hydraulic cylinder stops running, the rotating main shaft is driven to rotate by the control rotating motor in the fixed box to drive the blade main body to rotate, the upper surface of the raw material is beaten by the stir-frying blade to stir-fry to form a surfing effect, the fixed plate is driven to rotate along the circumferential direction of the driving shaft, the stir-frying blade extending out of the extending groove is driven by the rotating main shaft to rotate in all directions and stir-fry on the upper surface of the raw material to form continuous particles and powder waves, the mixing quality, the control screw rod connected by the control motor drive output end rotates forward and backward, drives to turn over the stir-fry blade and slides along the sliding tray to play the effect of adjusting to turn over the stir-fry blade and stretch out the extension groove length, play the effect that the regulation was hit and is hit the raw materials upper surface part and hit the area change formation wave and how much, the variable form wave of formation size is used for further improving the homogeneity mixed degree of raw materials upper surface when using, conveniently adjusts the use.

The invention is further configured to: the vibration control assembly and the controller are arranged on the left side and the right side of the mixing hopper respectively, the controller is used for controlling the vibration frequency and the vibration amplitude of the vibration control assembly to knock the left side and the right side of the vibration mixing hopper, the vibration control assembly is arranged on a main fixed box on the side wall of the mixing hopper and a control tube arranged at the bottom in the main fixed box, one end of the control tube far away from the main fixed box is closed, the closed end of the control tube is fixedly connected with a supporting plate, a supporting seat is fixed on the supporting plate, a control sliding plate is arranged in the control tube in a sliding manner, a force storage spring is arranged between the control sliding plate and the closed end of the control tube, a knocking rod is fixed on the control sliding plate, one end of the knocking rod penetrates through the closed end of the control tube after penetrating through the force storage spring and is connected with, be provided with the swing span motor on the supporting seat, swing span motor output is connected with the bull stick, the one end that the swing span motor was kept away from to the bull stick runs through the supporting seat and is connected with the gear swing span, the one end that the bull stick was kept away from to the gear swing span is provided with gear motor, gear motor's output is connected with the gear shaft, the gear shaft runs through and is connected with the gear behind the gear swing span.

By adopting the technical scheme, the vibration control components and the controllers for controlling the vibration frequency and the vibration amplitude of the vibration control components to knock the left side and the right side of the vibration mixing hopper are respectively arranged at the left side and the right side of the mixing hopper, the vibration frequency and the vibration amplitude of the vibration control components are controlled by the controllers to intermittently knock the side walls at the two sides of the mixing hopper, and the stirring and mixing effect of the raw materials in the mixing hopper is greatly improved by matching the structure of the elastic hemispheres, the blades, the elastic bodies and the fixed plate for rotating, turning and frying the surfing components, so that the quality of the raw materials mixed in the mixing hopper is more uniform, the mixture is further prevented from depositing and adhering to the side wall at the lower part in the mixing hopper, the phenomenon of material blockage is avoided, the discharging is reliable, when in use, the raw materials of the environment-friendly plastic-based heat conduction material are, the gear shaft connected with the output end of the gear motor rotates, the gear shaft penetrates through the gear swing frame and then is connected with a gear, the gear rotates and is matched with the rack on the upper surface of the movable sliding plate through surface teeth to drive the movable sliding plate to slide outwards on the supporting plate, the control sliding plate is driven to compress and store force on the force storage spring, the elastic force can be determined by the displacement of the gear rotating and driving the rack and the movable sliding plate, so that the knocking force of the knocking rod can be adjusted by controlling the number of rotation turns of the gear motor, after the gear rotates for a certain number of turns, the gear motor stops running, the controller controls the motor of the swing frame to run, the rotating rod rotates to drive the gear swing frame to swing, the gear and the rack are separated from each other, the control sliding plate is driven to slide towards the outer wall direction of the mixing hopper under the restoring action of the force storage spring, the raw materials and the elastic hemispheres in the mixing hopper are vibrated, then under the driving action of a driving motor, a driving shaft connected with the output end of the mixing hopper rotates and drives a driving fluted disc to rotate, the driving shaft and the driving shaft are mutually matched and in transmission connection through the driving fluted disc and a driven fluted disc, so as to drive the driving shaft to rotate, and simultaneously drive blades at the lower end of the driving shaft to rotate, in the rotating process of the blades, the raw materials at the bottom in the mixing hopper and on the left side of the upper shoulder of the blades are gently lifted, the upper end of the driving shaft is connected with an air source through a rotary joint, the rotary joint is used for keeping the driving shaft in the rotating state, so that the lifted raw materials are in the working state of the air source, the holding cavity in the driving shaft is intermittently inflated and exhausted, the elastomer on the outer wall of the, the raw materials rising from the bottom of the mixing hopper are pushed and partially rise, the elastic body transversely pushes and pushes the raw materials between the elastic hemispheres which are arranged upwards and downwards, the elastic hemispheres collide to generate vibration, the knocking vibration received on the outer walls of the left side and the right side of the mixing hopper is matched, the vibration is further enhanced to be transmitted to the raw materials, so that the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, the raw materials at the bottom in the mixing hopper and on the right side of the upper shoulder of the blade tend to be efficiently contacted and mixed downwards along the right side of the blade in the rotating process of the blade, the mixing quality of the raw materials is improved in the continuous extruding and vibrating process, along with the rotation of the fixed plate, the vertical hydraulic rod connected with the output end of the hydraulic cylinder on the lower surface of the fixed plate is pushed downwards, the fixed, the extending groove of the blade main body arranged on the side wall of the rotating main shaft enters the upper surface of the raw material, then, the hydraulic cylinder stops running, the rotating main shaft is driven to rotate by a control rotating motor in a fixed box to drive the blade main body to rotate, the upper surface of the raw material is beaten and stir-fried by using stir-frying blades to form a surfing effect, the fixed plate is driven to rotate along the circumferential direction of the driving shaft, simultaneously, the stir-frying blades extending out of the extending groove are driven by the rotating main shaft to rotate in an omnibearing way and stir-fry and beat on the upper surface of the raw material to form continuous particles and powder waves, the mixing quality of the raw material is improved, in the rotating process of the rotating main shaft, a control screw rod connected with the output end of the control motor is driven to rotate in the positive and negative directions to drive the stir-frying blades to slide along the sliding groove, thereby the length of the extending groove of the stir-frying blades is adjusted to play a role, the variable type forming waves with different sizes are used for further improving the uniformity mixing degree of the upper surface of the raw material when in use, the regulation and the use are convenient, the mixing uniformity is high, after the mixing is completed, the air source work is stopped, then, the discharge valve positioned at the bottom of the mixing hopper is opened, at the moment, the driving motor keeps the running state, the mixture in the mixing hopper is discharged into the screw conveying device under the intermittent continuous knocking vibration of the left side and the right side of the mixing hopper matched by the rotating blades, the mixture is conveyed into the extruder through the screw conveying device, the mixture is plasticized and extruded in the heating state of the extruder, then the mixture is cooled and cut off according to the corresponding specification, the environment-friendly plastic-based heat conduction material is obtained, the controller controls the number of rotation turns of the gear motor at intervals to regulate the knocking force of the knocking rod, so that the vibration amplitude generated in the mixing, the spaced time is also different, thereby make produced vibration frequency and vibration amplitude be in the change state on the compounding hopper lateral wall, the natural frequency of every object is all inequality, and want to make the amplitude reach the biggest through strikeing vibration feed hopper lower part lateral wall, the frequency that needs to strike reaches the natural frequency, make to adhere to the compounding that corresponds to different mass concentration and strengthen the vibration effect, under the state that vibration frequency and vibration amplitude change, further strengthen the vibration on the one hand, cooperate the structure of elasticity hemisphere and the structure of elastomer, strengthen the effect of vibrations stirring mixing raw materials, on the other hand, cooperate the structure of blade, be convenient for through the vibration with higher speed the unloading ejection of compact after the mixture is accomplished.

The invention also discloses a preparation method of the preparation device of the environment-friendly plastic-based heat conduction material, which is characterized by comprising the following steps of:

s1, vibrating and mixing: the raw materials of the environment-friendly plastic-based heat conduction material are added into the mixing hopper through the feeding pipe, the controller controls the gear motor on the gear swing frame to operate, a gear shaft connected with the output end of the gear motor rotates, the gear rotates and is matched with a rack on the upper surface of the movable sliding plate through surface teeth to drive the movable sliding plate to slide outwards on the supporting plate, the control sliding plate is driven to compress and store force on the force storage spring, the gear motor stops operating after the gear rotates for a certain number of turns, the controller controls the motor of the swing frame to operate, the rotating rod rotates to drive the gear swing frame to swing, so that the gear and the rack are separated from each other, the control sliding plate is driven to slide towards the outer wall direction of the mixing hopper under the restoring action of the force storage spring, the end part of the knocking rod knocks on the side wall of the mixing hopper to enable the raw materials and, the rotating rod rotates to drive the gear swing frame to swing, so that the gear and the rack are matched again, then the gear motor operates at intervals to continue to accumulate force on the knocking rod, and the knocking vibration force of the knocking rod is intermittently adjusted to the side wall of the mixing hopper;

s2, rotary extrusion mixing: under the driving action of a driving motor, a driving shaft connected with the output end of the driving motor rotates and drives a driving fluted disc to rotate, the driving shaft and the driving shaft are in mutual transmission connection through the matching of the driving fluted disc and a driven fluted disc, so that the driving shaft is driven to rotate, and simultaneously, blades at the lower end of the driving shaft are driven to rotate, in the rotating process of the blades, raw materials at the bottom in a mixing hopper and on the left side of the upper shoulder of the blades are gently lifted, the lifted raw materials are in the working state of an air source, intermittent inflation and exhaust are carried out on a containing cavity in the driving shaft, so that an elastomer on the outer wall of the driving shaft realizes intermittent transverse expansion and contraction, raw material particles and powder in the mixing hopper are pushed and pressed, the lifted raw materials at the bottom of the mixing hopper are pushed and partially lifted, the elastomer is, the raw materials at the bottom in the mixing hopper and positioned on the right side of the upper shoulder of the blade tend to be downward and efficiently contacted and mixed along the right side surface of the blade in the rotating process of the blade;

s3, surfing mixing: along with the rotation of the fixed plate, a vertical hydraulic rod connected with the output end of a hydraulic cylinder positioned on the lower surface of the fixed plate is pushed downwards and drives the fixed box to descend, the fixed box descends together with a rotating main shaft and a bearing seat, so that a protrusion groove of a blade main body arranged on the side wall of the rotating main shaft enters the upper surface of a raw material, then, the hydraulic cylinder stops running, a control rotating motor in the fixed box drives the rotating main shaft to rotate and drive the blade main body to rotate, the stirring blade is used for beating and stirring the upper surface of the raw material to form a surfing effect, the fixed plate is driven to rotate along the circumferential direction of a driving shaft, simultaneously, the autorotation rotating main shaft is used for driving the stirring blade extending out of the protrusion groove to rotate, the omnidirectional rotation and the stirring and beating on the upper surface of the raw material to form continuous particles and powder waves, and in the rotating process of the rotating, the stir-frying blades are driven to slide along the sliding grooves, so that the length of the stir-frying blades extending out of the sliding grooves is adjusted, the size of partial beating area of the upper surface of the beating raw materials is adjusted, and wave formation is changed;

s4, finishing discharging: and after the mixing is completed, stopping the work of an air source, then, opening a discharge valve positioned at the bottom of the mixing hopper, keeping the running state of a driving motor at the moment, enabling the mixture inside the mixing hopper to be discharged into a screw conveying device under the intermittent continuous knocking vibration of knocking rods on the left side and the right side of the mixing hopper matched by rotating blades, conveying the mixture into an extruder through the screw conveying device, plasticizing and extruding the mixture in the heating state of the extruder, cooling and cutting off the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

By adopting the technical scheme, the raw materials added into the mixing hopper are driven to rotate by the control rotating motor in the fixed box in the mixing process to drive the blade main body to rotate, the stir-frying blades are used for beating and stir-frying the upper surface of the raw materials to form the surfing effect, the fixed plate is driven to rotate along the circumferential direction of the driving shaft, simultaneously, the autorotation rotating main shaft is used for driving the stir-frying blades extending out of the extending groove to rotate in an omnibearing way and stir-fry and beat on the upper surface of the raw materials to form continuous particles and powder waves, the mixing quality of the raw materials is improved, in the rotating process of the rotating main shaft, the control screw rod connected with the output end of the control motor is driven to rotate in the forward and reverse direction to drive the stir-frying blades to slide along the sliding groove, so that the length of the extending out of the extending groove of the stir-frying blades is adjusted, and the effect of adjusting the beating area of the upper surface, when in use, waves with different sizes are formed in a variable mode to further improve the uniform mixing degree of the upper surface of the raw materials, so that the adjustment and the use are convenient; under the working state of an air source, intermittently inflating and exhausting an accommodating cavity in a driving shaft to enable an elastic body on the outer wall of the driving shaft to realize intermittent transverse expansion and contraction, pushing raw material particles and powder in a mixing hopper, pushing and partially lifting the raw material lifted at the bottom of the mixing hopper, transversely pushing and pushing the raw material by the elastic body and pushing the raw material between an upper elastic hemisphere and a lower elastic hemisphere, colliding the elastic hemispheres to enable the elastic hemispheres to generate vibration, further transmitting the vibration to the raw material, and enabling the raw material to be uniformly mixed in an accelerated manner; under the control of the controller, the rotation turns of the gear motor are controlled and controlled at intervals to adjust the knocking force of the knocking rod, so that the vibration amplitude generated inside the material mixing hopper is different, the interval time is also different, the vibration frequency and the vibration amplitude generated on the side wall of the material mixing hopper are in a change state, the natural frequency of each object is different, the vibration amplitude is expected to be maximum by knocking the side wall of the lower part of the vibration feeding hopper, the frequency required to be knocked reaches the natural frequency, the vibration effect is enhanced by adhering to the materials with different mass concentrations, under the state that the vibration frequency and the vibration amplitude are changed, on one hand, the vibration is further enhanced, the effect of vibrating and stirring mixed raw materials is enhanced by matching the structure of the elastic hemisphere and the structure of the elastic body, on the other hand, in the discharging process, the structure of the blades is matched, the discharging of the materials after the mixture is finished is accelerated through vibration; in the process of rotating the blades, raw materials at the bottom in the mixing hopper and positioned on the left side of the upper shoulder of the blades are gently lifted, the lifted raw materials are subjected to intermittent inflation and exhaust in an accommodating cavity in the driving shaft in the working state of an air source, an elastic body on the outer wall of the driving shaft realizes intermittent transverse expansion, raw material particles and powder in the mixing hopper are pushed and pressed, the raw materials lifted at the bottom of the mixing hopper are pushed and partially lifted, the elastic body transversely pushes and presses the raw materials and pushes the raw materials between the elastic hemispheres which face upwards and downwards to collide the elastic hemispheres to generate vibration, the vibration is further transmitted to the raw materials, the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, and the raw materials at the bottom in the mixing hopper and positioned on the right side of the upper shoulder of the blades tend to be efficiently contacted and mixed downwards along the right side of the blades, and in the extrusion and the vibrations in-process that last, improved the mixing quality to the raw materials, also during the ejection of compact by the blade is rotatory, through upper portion shoulder department make quick effectual ejection of compact downwards of mixture, cooperation intermittent type nature difference strikes the shaking force, the ejection of compact is not blockked up completely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partially enlarged structural diagram of a portion a in fig. 1.

Fig. 3 is a partially enlarged structural diagram of part B in fig. 1.

Detailed Description

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 to 3, the invention discloses an environment-friendly plastic-based heat conduction material, which is prepared from the following raw materials in parts by weight in the specific embodiment of the invention: 45-55 parts of modified polypropylene PPR; 55-65 parts of graphite powder; europium oxide in 0.6-1.2 weight portions; 3.5-4.5 parts of flexibilizer PPB-8101; 0.15-0.18 parts of nucleating agent WBG; 0.1 to 0.12 portion of antioxidant PKY-225; 0.06-0.1 part of stabilizer RWS by weight.

The invention also discloses a preparation device suitable for the environment-friendly plastic-based heat conduction material, which comprises a mixing hopper 1 with a cylindrical upper part and a conical lower part, wherein a top plate 2 is arranged on the top cover of the mixing hopper 1, a discharge valve 3 is arranged at the bottom of the mixing hopper 1, a feed pipe 4 is arranged on the top plate 2, a driving shaft 5 is rotatably inserted on the top plate 2, the driving shaft 5 is provided with a hollow accommodating cavity 6, a plurality of telescopic elastic bodies 7 are sequentially arranged on the outer wall of the driving shaft 5 and positioned in the mixing hopper 1 at intervals from top to bottom, an inner cavity 8 is arranged in each elastic body 7, the inner cavity 8 is communicated with the accommodating cavity 6 through a through hole 9 arranged on the outer wall of the driving shaft 5, the upper end of the driving shaft 5 penetrates through the top plate 2 to be communicated with an air source, and a plurality of hemispherical elastic hemispheres 10 are uniformly arranged on, the elastic hemisphere 10 has a cavity 11 inside.

By adopting the technical scheme, the upper part of the mixing hopper 1 is cylindrical, the lower part is conical, the mixing hopper is convenient to discharge after mixing, when in use, raw materials of environment-friendly plastic-based heat conduction materials are added into the mixing hopper 1 through the feeding pipe 4, the top plate 2 is rotatably inserted with the driving shaft 5, the driving shaft 5 is provided with the hollow accommodating cavity 6, a plurality of telescopic elastic bodies 7 are sequentially arranged on the outer wall of the driving shaft 5 and positioned in the mixing hopper 1 at intervals up and down, an inner cavity 8 is arranged inside each elastic body 7, the inner cavity 8 is communicated with the accommodating cavity 6 through a through hole 9 arranged on the outer wall of the driving shaft 5, the upper end of the driving shaft 5 penetrates out of the top plate 2 to be communicated with an air source, when in stirring, the accommodating cavity 6 inside the driving shaft 5 is intermittently inflated and exhausted by the air source, the elastic bodies 7 on the outer wall of the driving, a plurality of hemispherical elastic hemispheres 10 are uniformly arranged on the upper part of the inner wall of the mixing hopper 1 along the circumferential height, a cavity 11 is arranged in each elastic hemisphere 10, the elastic bodies 7 transversely push and push raw materials and push the raw materials between the upper elastic hemispheres 10 and the lower elastic hemispheres 10, the elastic hemisphere 10 is collided to generate vibration and further the vibration is transmitted to the raw materials, so that the raw materials are uniformly mixed in an accelerated way, the mixing effect is improved, in the continuous extrusion and vibration process, the mixing quality of the raw materials is improved, the use is convenient, the structure is simple, after the mixing is finished, stopping the air source, then opening a discharge valve 3 at the bottom of the mixing hopper 1, discharging the mixture into a screw conveying device, conveying the mixture into an extruder through the screw conveying device, plasticizing and extruding the mixture in the heating state of an extruder, cooling the mixture, and cutting the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

In the present embodiment, the lower end of the driving shaft 5 is provided with a wing-like spiral blade 12, the blade 12 is elongated and extends outward from the lower end of the driving shaft 5, is twisted along the length of the blade 12, the curved surface of the blade 12 is formed to gently lift and rotate the raw materials to be mixed at the lower and middle portions of the mixing hopper 1, the blade 12 further includes an upper shoulder portion 14, the upper shoulder portion 14 extends outward from the vicinity of the axis of the driving shaft 5 and is shaped to downwardly direct the raw materials which tend to move upward in the mixing hopper 1, and the top plate 2 is provided at the top thereof with a driving rotation assembly for driving the driving shaft 5 to rotate.

By adopting the above technical solution, in order to further improve the mixing and stirring effect to the inner bottom of the mixing hopper 1 and to apply a force during the discharging process to prevent the discharging from being unsmooth, a wing-shaped spiral blade 12 is provided at the lower end of the driving shaft 5, the blade 12 is elongated and extends outward from the lower end of the driving shaft 5, is twisted along the length of the blade 12, the curved surface of the blade 12 is formed to gently lift and rotate the raw material to be mixed at the middle and lower portions of the mixing hopper 1, the blade 12 further includes an upper shoulder portion 14, the upper shoulder portion 14 extends outward from the vicinity of the axis of the driving shaft 5 and is formed to make the raw material inclined to move upward in the mixing hopper 1 downward, in use, the raw material of the environment-friendly plastic-based heat-conductive material is added into the mixing hopper 1 through the feeding pipe 4, a driving rotation assembly is provided at the top, simultaneously, the blades 12 at the lower end of the driving shaft 5 are driven to rotate, in the rotating process of the blades 12, raw materials at the bottom in the mixing hopper 1 and on the left side of the upper shoulder 14 of the blades 12 are lifted gently, the lifted raw materials are in an operating state of an air source, the holding cavity 6 in the driving shaft 5 is subjected to intermittent inflation and exhaust, the elastic body 7 on the outer wall of the driving shaft 5 is subjected to intermittent transverse stretching, raw material particles and powder in the mixing hopper 1 are pushed and pressed, the lifted raw materials at the bottom of the mixing hopper 1 are partially lifted, the elastic body 7 transversely pushes and presses the raw materials and pushes the raw materials between the elastic hemispheres 10 upwards and downwards, the elastic hemispheres 10 are collided to generate vibration and further transmit the vibration to the raw materials, the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, and the raw materials at the bottom in the mixing hopper 1 and on the right side of the, make it tend to make it down and along blade 12 right flank high-efficient contact mix, and in lasting extrusion and vibrations process, improved the mixing quality to the raw materials, convenient to use simple structure, it is high to mix the degree of consistency, after accomplishing the mixture, stop the air supply work, afterwards, open bleeder valve 3 that is located mixing hopper 1 bottom, discharge the mixture to screw conveyor, the mixture is carried in the extruder through screw conveyor, the plastify is extruded under the state of extruder heating, then cool off according to corresponding specification cutting off again, namely get environmental protection type and mould base heat conduction material.

In the embodiment of the present invention, the leading edge 13 of the vane 12 is thinned relative to the other portions of the vane 12, and the vane 12 becomes thicker gradually from the leading edge 13 toward the lower end of the axle shaft 5.

Through adopting above-mentioned technical scheme, set up leading edge 13 of blade 12 for the other part thinnings of blade 12 for pass the raw materials at rotatory in-process, cut some graininess raw materials, with the phenomenon of reduction card material, simultaneously, set up blade 12 to become thick gradually towards the lower extreme direction of driving shaft 5 from leading edge 13, be used for improving the bulk strength of blade 12.

In the specific embodiment of the present invention, the driving rotation assembly includes a driving motor 21 disposed on the top of the top plate 2 and a driving shaft 22 connected to an output end of the driving motor 21 along a vertical direction, the driving shaft 22 is connected to a driving fluted disc 23, the driving shaft 5 is provided with a driven fluted disc 24, the driving shaft 5 and the driving shaft 22 are in transmission connection through the matching of the driving fluted disc 23 and the driven fluted disc 24, and an upper end of the driving shaft 5 is connected to an air source through a rotary joint 25.

By adopting the technical scheme, when in use, the raw material of the environment-friendly plastic-based heat conduction material is added into the mixing hopper 1 through the feeding pipe 4, under the driving action of the driving motor 21, the driving shaft 22 connected with the output end rotates and drives the driving fluted disc 23 to rotate, the driving shaft 5 and the driving shaft 22 are matched and mutually connected in a transmission way through the driving fluted disc 23 and the driven fluted disc 24, so as to drive the driving shaft 5 to rotate, and simultaneously drive the blades 12 at the lower end of the driving shaft 5 to rotate, in the rotating process of the blades 12, the raw material at the bottom in the mixing hopper 1 and on the left side of the upper shoulder 14 of the blades 12 is gently lifted, the upper end of the driving shaft 5 is connected with an air source through the rotary joint 25, the rotary joint 25 is used for keeping the driving shaft 5 in the rotating state, so that the lifted raw material is intermittently inflated and, so that the elastomer 7 on the outer wall of the driving shaft 5 realizes intermittent transverse expansion, raw material particles and powder inside the mixing hopper 1 are pushed, the raw material lifted at the bottom of the mixing hopper 1 is pushed and partially ascends, the elastomer 7 transversely pushes the raw material and pushes the raw material between the elastic hemispheres 10 upwards and downwards, the elastic hemispheres 10 are collided to generate vibration, and further the vibration is transmitted to the raw material, so that the raw material is uniformly mixed at an accelerated speed, the mixing effect is improved, and the raw material at the bottom in the mixing hopper 1 and at the right side of the upper shoulder 14 of the blade 12 is inclined to be efficiently contacted and mixed downwards along the right side surface of the blade 12 in the rotating process of the blade 12, and in the continuous extruding and vibrating process, the mixing quality of the raw material is improved, the use is convenient, the structure is simple, the mixing uniformity is high, after the mixing is completed, and then, opening a discharge valve 3 positioned at the bottom of the mixing hopper 1, discharging the mixture into a screw conveying device, conveying the mixture into an extruder through the screw conveying device, plasticizing and extruding the mixture in a heating state of the extruder, cooling the mixture, and cutting the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

In the specific embodiment of the present invention, a fixing plate 31 is disposed on a side wall of the driving shaft 5 and located in the mixing hopper 1, an upper surface of the fixing plate 31 is in sliding contact with a lower surface of the top plate 2, a rotary stir-fry surfing assembly for real-time stir-frying of an upper surface of a raw material to form waves is disposed on a lower surface of the fixing plate 31, the rotary stir-fry surfing assembly includes a hydraulic cylinder 32 fixed on the lower surface of the fixing plate 31 and a vertical hydraulic rod 33 disposed at an output end of the hydraulic cylinder 32, a fixing box 34 is connected to a lower end of the vertical hydraulic rod 33, a control rotating motor 35 is disposed inside the fixing box 34, an output end of the control rotating motor 35 is connected to a rotating main shaft 36, one end of the rotating main shaft 36 transversely rotates through the fixing box 34 and is connected to a bearing seat 37, an upper portion of the bearing seat 37 is connected to the fixing And (6) assembling.

By adopting the technical scheme, in order to further cooperate with the efficient and uniform mixing of the raw materials at the top in the mixing hopper 1, the fixing plate 31 is arranged on the side wall of the driving shaft 5 and positioned in the mixing hopper 1, the upper surface of the fixing plate 31 is in sliding contact with the lower surface of the top plate 2, the lower surface of the fixing plate 31 is provided with the rotary stir-frying surfing assembly for stirring and frying the upper surface of the raw materials in real time to form waves along the circumferential direction, the wave is formed on the upper surface of the raw materials in the mixing hopper 1, the integral combined mixing action is formed by matching the elastomer 7 and the elastic hemisphere 10 structure in the middle part of the mixing hopper 1 and the blade 12 structure in the lower part of the mixing hopper to form the whole, when in use, the raw materials of the environment-friendly plastic-based heat conduction material are added into the mixing hopper 1 through the feeding pipe 4, under, the driving shaft 5 and the driving shaft 22 are in transmission connection through the matching of a driving fluted disc 23 and a driven fluted disc 24, so that the driving shaft 5 is driven to rotate, and meanwhile, the blade 12 at the lower end of the driving shaft 5 is driven to rotate, in the rotating process of the blade 12, raw materials at the bottom in the mixing hopper 1 and on the left side of an upper shoulder 14 of the blade 12 are gently lifted, the upper end of the driving shaft 5 is connected with an air source through a rotary joint 25, the rotary joint 25 is used for keeping the driving shaft 5 in a rotating state, the lifted raw materials are intermittently inflated and exhausted in the working state of the air source to an accommodating cavity 6 in the driving shaft 5, an elastic body 7 on the outer wall of the driving shaft 5 realizes intermittent transverse expansion and contraction, raw material particles and powder in the mixing hopper 1 are pushed, the lifted raw materials at the bottom of the mixing hopper 1 are pushed and partially lifted, and the elastic body 7, the elastic hemisphere 10 is collided to generate vibration, and further vibration is transmitted to raw materials, so that the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, the raw materials at the bottom in the mixing hopper 1 and on the right side of the upper shoulder 14 of the blade 12 are inclined to be downward and efficiently contacted and mixed along the right side surface of the blade 12 in the rotating process of the blade 12, the mixing quality of the raw materials is improved in the continuous extrusion and vibration processes, a vertical hydraulic rod 33 connected with the output end of a hydraulic cylinder 32 on the lower surface of a fixed plate 31 is pushed downward and drives the fixed box 34 to descend, the fixed box 34 descends together with a rotating main shaft 36 and a bearing seat 37, after a stir-frying blade assembly part arranged on the side wall of the rotating main shaft 36 enters the upper surface of the raw materials, the hydraulic cylinder 32 stops running, and then a control rotating motor 35 in the fixed box 34 drives the rotating main shaft 36 to rotate, the stir-frying blade assembly is driven to beat and stir-fry the upper surface of the raw material to form a surfing effect, the fixing plate 31 is fixed on the side wall of the driving shaft 5, when the driving shaft 5 rotates to mix the raw material in the mixing hopper 1, the fixing plate 31 is driven to rotate along the circumferential direction of the driving shaft 5, so that the stir-frying blade assembly is driven by the rotating main shaft 36 to rotate, the all-directional rotation is realized, the stir-frying and beating are realized on the upper surface of the raw material to form continuous particles and powder waves, the mixing quality of the raw material is improved, the size of the waves formed by beating can be adjusted and changed, the waves with different sizes formed by the moving type during use are used for further improving the uniformity mixing degree of the upper surface of the raw material, the use and the adjustment are convenient, the mixing is high, after the mixing is completed, the air source work is stopped, and then, and discharging the mixture into a screw conveying device, conveying the mixture into an extruder through the screw conveying device, plasticizing and extruding the mixture in a heating state of the extruder, cooling the mixture, and cutting the mixture according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material.

In the specific embodiment of the present invention, the stir-frying blade assembly includes a square blade main body 41 and a sliding groove 42 disposed on a side wall of the blade main body 41, an extending groove 43 communicated with the sliding groove 42 is disposed at an upper end of the blade main body 41, the stir-frying blade 44 is slidably disposed in the sliding groove 42, a control motor 45 is disposed on a side wall of the sliding groove 42 away from the extending groove 43, an output end of the control motor 45 is connected with a control screw 46, and one end of the control screw 46 away from the control motor 45 is rotatably inserted into the stir-frying blade 44 for controlling a length of the stir-frying blade 44 extending out of the extending groove 43.

By adopting the above technical scheme, along with the rotation of the fixed plate 31, the vertical hydraulic rod 33 connected with the output end of the hydraulic cylinder 32 positioned on the lower surface of the fixed plate 31 is pushed downwards and drives the fixed box 34 to descend, the fixed box 34 descends together with the rotating main shaft 36 and the bearing seat 37, so that the extending groove 43 of the blade main body 41 arranged on the side wall of the rotating main shaft 36 enters the upper surface of the raw material, subsequently, the hydraulic cylinder 32 stops running, the rotating main shaft 36 is driven to rotate by the control rotating motor 35 in the fixed box 34, the blade main body 41 is driven to rotate, the upper surface of the raw material is beaten, turned and fried by the turning and frying blade 44 to form a surfing effect, the fixed plate 31 is driven to rotate along the circumferential direction of the driving shaft 5, the turning and frying blade 44 extending out of the extending groove 43 is driven by the rotating main shaft 36, the omnidirectional rotation and the turning, Powder wave, the mixing quality to the raw materials has been improved, and at rotatory main shaft 36 pivoted in-process, control screw 46 forward and reverse rotation that is connected by control motor 45 drive output, it slides along sliding tray 42 to drive to turn over stir-fry blade 44, thereby play the effect of adjusting to turn over stir-fry blade 44 and stretch out groove 43 length, play and adjust and hit the effect that the raw materials upper surface part hit the area and change what formation wave is how much, the variable formation size of change formula is used for further improving the homogeneity mixing degree of raw materials upper surface when using, convenient the regulation is used.

In the embodiment of the invention, the left and right sides of the mixing hopper 1 are respectively provided with a vibration control component and a controller for controlling the vibration frequency and vibration amplitude of the vibration control component to knock the left and right sides of the vibration mixing hopper 1, the vibration control component is provided with a main fixed box 51 on the side wall of the mixing hopper 1 and a control tube 52 arranged at the bottom in the main fixed box 51, one end of the control tube 52 far away from the main fixed box 51 is closed, the closed end of the control tube 52 is fixedly connected with a support plate 53, the support plate 53 is fixedly provided with a support base 54, a control sliding plate 55 is slidably arranged in the control tube 52, a force storage spring 56 is arranged between the control sliding plate 55 and the closed end of the control tube 52, a knocking rod 57 is fixedly arranged on the control sliding plate 55, one end of the knocking rod 57 penetrates through the force storage spring 56 and then penetrates through the closed end of the control tube 52 and is connected with, the upper surface of the movable sliding plate 58 is provided with a rack 59 along the length direction, the supporting seat 54 is provided with a swing frame motor 60, the output end of the swing frame motor 60 is connected with a rotating rod 61, one end of the rotating rod 61, far away from the swing frame motor 60, penetrates through the supporting seat 54 and is connected with a gear swing frame 62, one end of the gear swing frame 62, far away from the rotating rod 61, is provided with a gear motor 63, the output end of the gear motor 63 is connected with a gear shaft 64, and the gear shaft 64 penetrates through the gear swing frame 62 and is connected with a gear 65.

By adopting the technical scheme, the left side and the right side of the mixing hopper 1 are respectively provided with the vibration control component and the controller for controlling the vibration frequency and the vibration amplitude of the vibration control component to knock the left side and the right side of the vibration mixing hopper 1, the controller controls the vibration frequency and the vibration amplitude of the vibration control component to intermittently knock the side walls of the two sides of the mixing hopper 1, and the stirring and surfing components are matched with the elastic hemisphere 10, the blades 12, the elastic body 7 and the fixed plate 31 to rotate and turn over, so that the stirring and mixing effects on the raw materials in the mixing hopper 1 are greatly improved, the quality of the raw materials mixed in the mixing hopper 1 is more uniform, meanwhile, the mixture is further prevented from being deposited and attached to the side wall of the lower part in the mixing hopper 1, the phenomenon of material blockage is avoided, the discharging is reliable, and when the environment-friendly plastic-based heat, the controller controls the gear motor 63 on the gear swing frame 62 to operate, the gear shaft 64 connected with the output end of the gear motor 63 rotates, the gear shaft 64 penetrates through the gear swing frame 62 and is connected with the gear 65, the gear 65 rotates and is matched with the rack 59 on the upper surface of the movable sliding plate 58 through surface teeth to drive the movable sliding plate 58 to slide outwards on the supporting plate 53, the control sliding plate 55 is driven to compress and store the force on the force storage spring 56, the magnitude of the elastic force can be determined by the displacement of the rack 59 and the movable sliding plate 58 driven by the rotation of the gear 65, so that the magnitude of the knocking force of the knocking rod 57 can be adjusted by controlling the rotation number of the gear motor 63, after the gear 65 rotates for a certain number of turns, the gear motor 63 stops operating, the controller controls the swing frame motor 60 to operate, the rotating rod 61 rotates to drive the gear swing frame 62 to swing, and the, under the restoring action of the power storage spring 56, the control sliding plate 55 is driven to slide towards the outer wall of the mixing hopper 1, so that the end part of the knocking rod 57 knocks and vibrates the side wall of the mixing hopper 1, the raw material and the elastic hemisphere 10 in the mixing hopper 1 are vibrated, then under the driving action of the driving motor 21, the driving shaft 22 connected with the output end rotates and drives the driving fluted disc 23 to rotate, the driving shaft 5 and the driving shaft 22 are matched and mutually connected in a transmission way through the driving fluted disc 23 and the driven fluted disc 24, so that the driving shaft 5 is driven to rotate, meanwhile, the blade 12 at the lower end of the driving shaft 5 is driven to rotate, in the rotating process of the blade 12, the raw material at the bottom in the mixing hopper 1 and on the left side of the upper shoulder 14 of the blade 12 is gently lifted, the upper end of the driving shaft 5 is connected with a gas source, the lifted raw materials are subjected to intermittent inflation and exhaust in the accommodating cavity 6 in the driving shaft 5 under the working state of an air source, so that the elastic body 7 on the outer wall of the driving shaft 5 realizes intermittent transverse expansion, raw material particles and powder in the mixing hopper 1 are pushed and pressed, the raw materials lifted at the bottom of the mixing hopper 1 are pushed and pressed and partially lifted, the elastic body 7 transversely pushes and presses the raw materials and pushes the raw materials between the elastic hemispheres 10 which are arranged upwards and downwards, the elastic hemispheres 10 are collided to generate vibration, the vibration is matched with the knocking vibration on the outer walls of the left side and the right side of the mixing hopper 1, the vibration is further enhanced to be transmitted to the raw materials, so that the raw materials are uniformly mixed at an accelerated speed, the mixing effect is improved, and the raw materials at the bottom in the mixing hopper 1 and positioned at the right side of the upper shoulder 14 of the blade 12 tend to be efficiently contacted, and in the continuous extrusion and vibration process, the mixing quality of the raw materials is improved, along with the rotation of the fixed plate 31, the vertical hydraulic rod 33 connected with the output end of the hydraulic cylinder 32 positioned on the lower surface of the fixed plate 31 is pushed downwards and drives the fixed box 34 to descend, the fixed box 34 descends together with the rotating main shaft 36 and the bearing seat 37, so that the extending groove 43 of the blade main body 41 arranged on the side wall of the rotating main shaft 36 enters the upper surface of the raw materials, then, the hydraulic cylinder 32 stops running, the rotating main shaft 36 is driven to rotate by the control rotating motor 35 in the fixed box 34, the blade main body 41 is driven to rotate, the upper surface of the raw materials is beaten and stir-fried by the stir-frying blade 44 to form a surfing effect, the fixed plate 31 is driven to rotate along the circumferential direction of the driving shaft 5, simultaneously, the stir-frying blade 44 extending out of the extending groove 43 is driven by the rotating main shaft 36, the omni-directional, Powder material wave, the mixing quality of the raw materials is improved, in the rotating process of the rotating main shaft 36, the control screw rod 46 connected with the output end is driven by the control motor 45 to rotate in the forward and reverse directions, the stir-frying blade 44 is driven to slide along the sliding groove 42, so that the effect of adjusting the length of the stir-frying blade 44 extending out of the extending groove 43 is achieved, the effect of adjusting the beating area of the upper surface part of the beating raw materials to change the quantity of formed waves is achieved, the variable waves with different sizes are used for further improving the uniformity mixing degree of the upper surface of the raw materials when in use, the adjustment and the use are convenient, the mixing uniformity is high, after the mixing is completed, the air source work is stopped, then, the discharge valve 3 positioned at the bottom of the mixing hopper 1 is opened, at the moment, the driving motor 21 keeps the running state, under the intermittent continuous beating vibration of the left, the mixture in the mixing hopper 1 is discharged into a screw conveying device, the mixture is conveyed into an extruder through the screw conveying device, the mixture is plasticized and extruded in a heating state of the extruder, then the mixture is cooled and cut off according to corresponding specifications to obtain the environment-friendly plastic-based heat conduction material, the controller controls the number of rotation turns of a gear motor 63 at intervals to adjust the knocking force of a knocking rod 57, so that the vibration amplitude generated in the mixing hopper 1 is different, the interval time is different, the vibration frequency and the vibration amplitude generated on the side wall of the mixing hopper 1 are in a changing state, the natural frequency of each object is different, the vibration amplitude is maximized by knocking the side wall of the lower part of the vibration feeding hopper, the frequency required to be knocked reaches the natural frequency, and the vibration effect is strengthened by the adhesion of the mixture with different mass concentrations, under the state that vibration frequency and vibration amplitude change, on the one hand further strengthen the vibration, cooperate the structure of elasticity hemisphere 10 and the structure of elastomer 7 to strengthen the effect that the vibrations were stirred and are mixed the raw materials, on the other hand, cooperate the structure of blade 12, be convenient for through the vibration accelerate the unloading ejection of compact after the mixture is accomplished.

The invention also discloses a preparation method of the preparation device for the environment-friendly plastic-based heat conduction material, which comprises the following steps of:

s1, vibrating and mixing: the raw material of the environment-friendly plastic-based heat conduction material is added into the mixing hopper 1 through the feeding pipe 4, the controller controls the gear motor 63 on the gear swing frame 62 to operate, the gear shaft 64 connected with the output end of the gear motor 63 rotates, the gear 65 rotates and is matched with the rack 59 on the upper surface of the movable sliding plate 58 through surface teeth to drive the movable sliding plate 58 to slide outwards on the supporting plate 53, the control sliding plate 55 is driven to compress and store the force on the force storage spring 56, after the gear 65 rotates for a certain number of turns, the gear motor 63 stops operating, the controller controls the swing frame motor 60 to operate, the rotating rod 61 rotates to drive the gear swing frame 62 to swing, so that the gear 65 and the rack 59 are separated from each other, the control sliding plate 55 is driven to slide towards the outer wall direction of the mixing hopper 1 under the restoring action of the force storage spring 56, the end part of the knocking rod 57 knocks and vibrates the side wall of the mixing, then the controller controls the operation of the swing frame motor 60, the rotating rod 61 rotates to drive the gear swing frame 62 to swing, the gear 65 and the rack 59 are matched again, then the gear motor 63 operates at intervals to continue to accumulate force on the knocking rod 57, and the knocking rod 57 is intermittently adjusted to knock vibration force on the side wall of the mixing hopper 1;

s2, rotary extrusion mixing: under the driving action of the driving motor 21, the driving shaft 22 connected with the output end rotates and drives the driving fluted disc 23 to rotate, the driving shaft 5 and the driving shaft 22 are mutually matched and in transmission connection through the driving fluted disc 23 and the driven fluted disc 24, so as to drive the driving shaft 5 to rotate, and simultaneously drive the blades 12 at the lower end of the driving shaft 5 to rotate, in the rotating process of the blades 12, raw materials at the bottom of the mixing hopper 1 and on the left side of the upper shoulder 14 of the blades 12 are gently lifted, the lifted raw materials are in the working state of an air source, intermittently inflating and exhausting are carried out on the accommodating cavity 6 in the driving shaft 5, so that the elastic body 7 on the outer wall of the driving shaft 5 realizes intermittent transverse expansion and contraction, raw material particles and powder in the mixing hopper 1 are pushed, the lifted raw materials at the bottom of the mixing hopper 1 are pushed and partially lifted, and the elastic body 7 transversely pushes, the elastic hemisphere 10 is collided to generate vibration, and the raw materials at the bottom in the mixing hopper 1 and at the right side of the upper shoulder 14 of the blade 12 tend to be downward and follow the right side surface of the blade 12 to be efficiently contacted and mixed in the rotating process of the blade 12;

s3, surfing mixing: along with the rotation of the fixed plate 31, the vertical hydraulic rod 33 connected with the output end of the hydraulic cylinder 32 positioned on the lower surface of the fixed plate 31 is pushed downwards and drives the fixed box 34 to descend, the fixed box 34 descends together with the rotating main shaft 36 and the bearing seat 37, so that the extending groove 43 of the blade main body 41 arranged on the side wall of the rotating main shaft 36 enters the upper surface of the raw material, then, the hydraulic cylinder 32 stops running, the rotating main shaft 36 is driven to rotate by the control rotating motor 35 in the fixed box 34, the blade main body 41 is driven to rotate, the upper surface of the raw material is beaten and stir-fried by using the stir-frying blade 44, the surfing effect is formed, the fixed plate 31 is driven to rotate along the circumferential direction of the driving shaft 5, simultaneously, the stir-frying blade 44 extending out of the extending groove 43 is driven by using the rotating main shaft 36, the omni-directional rotation and the stir-frying and beating on the upper, the control motor 45 drives the control screw rod 46 connected with the output end to rotate in the forward and reverse directions to drive the stir-frying blade 44 to slide along the sliding groove 42, so that the length of the stir-frying blade 44 extending out of the extending groove 43 is adjusted to adjust the size of partial beating area of the upper surface of the beating raw material to change the wave formation;

s4, finishing discharging: after the mixing is completed, the air source stops working, then, the discharge valve 3 positioned at the bottom of the mixing hopper 1 is opened, at the moment, the driving motor 21 keeps in a running state, the knocking rods 57 on the left side and the right side of the mixing hopper 1 are matched through the rotating blades 12 to intermittently and continuously knock and shake, so that the mixture inside the mixing hopper 1 is discharged into the screw conveying device, the mixture is conveyed into the extruder through the screw conveying device, the mixture is plasticized and extruded in a heating state of the extruder, and then the mixture is cooled and cut off according to corresponding specifications, so that the environment-friendly plastic-based heat conduction material is obtained.

By adopting the technical scheme, the raw materials added into the mixing hopper 1 are driven to rotate by the control rotating motor 35 in the fixed box 34 in the mixing process, the blade main body 41 is driven to rotate, the stir-frying blades 44 are utilized to beat and stir-fry the upper surface of the raw materials to form the surfing effect, the fixed plate 31 is driven to rotate along the circumferential direction of the driving shaft 5, simultaneously, the autorotation rotating main shaft 36 is utilized to drive the stir-frying blades 44 extending out of the extending grooves 43, the omnibearing rotation is realized, the stir-frying beating is carried out on the upper surface of the raw materials to form continuous particles and powder waves, the mixing quality of the raw materials is improved, in the rotating process of the rotating main shaft 36, the control screw 46 connected with the output end is driven by the control motor 45 to rotate in the forward and reverse directions, the stir-frying blades 44 are driven to slide in the sliding grooves 42, and the function of adjusting the length of the stir-frying blades 44, the effect of adjusting the beating area of the upper surface of the beating raw material to change the number of formed waves is achieved, and the waves with different sizes are formed in a variable mode when the device is used for further improving the uniformity mixing degree of the upper surface of the raw material, so that the device is convenient to adjust and use; under the working state of an air source, intermittently inflating and exhausting an accommodating cavity 6 in a driving shaft 5 to enable an elastic body 7 on the outer wall of the driving shaft 5 to intermittently and transversely stretch, pushing raw material particles and powder in a mixing hopper 1, pushing and partially lifting the raw material lifted at the bottom of the mixing hopper 1, transversely pushing and pushing the raw material by the elastic body 7 and pushing the raw material between an upper elastic hemisphere 10 and a lower elastic hemisphere 10 to collide the elastic hemispheres 10 to generate vibration, further vibrating and transmitting the vibration to the raw material, and enabling the raw material to be uniformly mixed in an accelerated manner; under the control of the controller, the rotation turns of the gear motor 63 are controlled at intervals to adjust the knocking force of the knocking rod 57, so that the vibration amplitude generated inside the material mixing hopper 1 is different, the interval time is also different, the vibration frequency and the vibration amplitude generated on the side wall of the material mixing hopper 1 are in a change state, the natural frequency of each object is different, the vibration amplitude is expected to be maximized by knocking the side wall of the lower part of the vibration feeding hopper, the frequency required to be knocked reaches the natural frequency, the vibration effect is enhanced by adhering to the mixed materials with different mass concentrations, under the change state of the vibration frequency and the vibration amplitude, on one hand, the vibration is further enhanced, the effect of vibrating and stirring the mixed raw materials is enhanced by matching the structure of the elastic hemisphere 10 and the structure of the elastic body 7, on the other hand, in the discharging process, the structure of the blades 12 is matched, the discharging of the materials after the mixture is finished is accelerated through vibration; in the rotating process of the blades 12, raw materials at the bottom in the mixing hopper 1 and on the left side of the upper shoulder 14 of each blade 12 are lifted gently, the lifted raw materials are subjected to intermittent inflation and exhaust in the accommodating cavity 6 in the driving shaft 5 under the working state of an air source, the elastic body 7 on the outer wall of the driving shaft 5 is subjected to intermittent transverse expansion and contraction, raw material particles and powder in the mixing hopper 1 are pushed and pressed, the raw materials lifted at the bottom of the mixing hopper 1 are pushed and partially lifted, the elastic body 7 transversely pushes and presses the raw materials and pushes the raw materials between the upper elastic hemispheres 10 and collides with the elastic hemispheres 10, so that the elastic hemispheres 10 generate vibration and further transmit the vibration to the raw materials, the raw materials are uniformly mixed in an accelerating mode, the mixing effect is improved, and the raw materials at the bottom in the mixing hopper 1 and on the right side of the upper shoulder 14, make it tend to be downward and along blade 12 right flank high-efficient contact mix to in the extrusion that lasts and vibrations process, improved the mixing quality to the raw materials, also during the ejection of compact by blade 12 is rotatory, make the quick effectual downward ejection of compact of mixture through upper portion shoulder 14 department, cooperation intermittent type nature difference strikes the shaking force, the ejection of compact is not blockked up completely.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The preparation device of the environment-friendly plastic-based heat conduction material is characterized in that the preparation raw materials comprise: 45-55 parts of modified polypropylene PPR; 55-65 parts of graphite powder; europium oxide in 0.6-1.2 weight portions; 3.5-4.5 parts of flexibilizer PPB-8101; 0.15-0.18 parts of nucleating agent WBG; 0.1 to 0.12 portion of antioxidant PKY-225; the stabilizer RWS is 0.06-0.1 part by weight, the preparation device comprises a mixing hopper (1) with a cylindrical upper part and a conical lower part, a top plate (2) is arranged on the top of the mixing hopper (1) in a covering manner, a discharge valve (3) is arranged at the bottom of the mixing hopper (1), a feeding pipe (4) is arranged on the top plate (2), a driving shaft (5) is rotatably inserted on the top plate (2), the driving shaft (5) is provided with a hollow accommodating cavity (6), a plurality of telescopic elastic bodies (7) are sequentially arranged on the outer wall of the driving shaft (5) and positioned in the mixing hopper (1) at intervals from top to bottom, an inner cavity (8) is arranged inside the elastic bodies (7), and the inner cavity (8) is communicated with the accommodating cavity (6) through a through hole (9) formed in the outer wall of the driving shaft (, roof (2) intercommunication is worn out to driving shaft (5) upper end has the air supply, it has a plurality of hemispherical elasticity hemispheres (10) to highly evenly arrange along circumference on mixing hopper (1) inner wall upper portion, elasticity hemispheres (10) inside has cavity (11), driving shaft (5) lower extreme is provided with wing spiral blade (12), be provided with fixed plate (31) on driving shaft (5) lateral wall and in being located mixing hopper (1), fixed plate (31) upper surface and roof (2) lower surface sliding contact, fixed plate (31) lower surface is provided with and is used for turning over the rotatory surfing subassembly of stir-fry that fries raw materials upper surface formation wave in real time, rotatory surfing subassembly of stir-fry is including fixing at the pneumatic cylinder (32) of fixed plate (31) lower surface and setting vertical hydraulic stem (33) of connecting at pneumatic cylinder (32) output, vertical hydraulic stem (33) lower extreme is connected with fixed case (34), fixed case (34) inside is provided with control rotating electrical machines (35), the output of control rotating electrical machines (35) is connected with rotating main shaft (36), rotating main shaft (36) one end is connected with bearing frame (37) along transversely rotating after running through fixed case (34), bearing frame (37) upper portion is passed through telescopic link (38) and is connected with fixed plate (31), the interval is provided with a plurality of adjustable stir-fry raw materials formation wave size and turns over the stir-fry blade subassembly on rotating main shaft (36) lateral wall.

2. The preparation device of the environment-friendly plastic-based heat conduction material according to claim 1, characterized in that: the blade (12) is long and extends outwards from the lower end of the driving shaft (5), is twisted along the length of the blade (12), the curved surface of the blade (12) is formed to gently lift and rotate the raw materials to be mixed at the middle lower part of the mixing hopper (1), the blade (12) further comprises an upper shoulder part (14), the upper shoulder part (14) extends outwards from the vicinity of the axis of the driving shaft (5) and is shaped to enable the raw materials which tend to move upwards in the mixing hopper (1) to move downwards, and the top of the top plate (2) is provided with a driving and rotating assembly for driving the driving shaft (5) to rotate.

3. The preparation device of the environment-friendly plastic-based heat conduction material as claimed in claim 2, wherein: the front edge (13) of the blade (12) becomes thinner relative to the other parts of the blade (12), and the blade (12) becomes thicker gradually from the front edge (13) to the lower end direction of the driving shaft (5).

4. The preparation device of the environment-friendly plastic-based heat conduction material as claimed in claim 2, wherein: the drive runner assembly is including setting up drive motor (21) at roof (2) top and connecting drive shaft (22) at drive motor (21) output along vertical direction, be connected with drive fluted disc (23) on drive shaft (22), be provided with driven fluted disc (24) on driving shaft (5), drive shaft (5) and drive shaft (22) are connected through drive fluted disc (23) and driven fluted disc (24) cooperation transmission each other between, driving shaft (5) upper end is connected with the air supply through rotary joint (25).

5. The apparatus for preparing environment-friendly plastic-based heat-conducting material according to claim 4, wherein: the stir-fry blade assembly comprises a square blade main body (41) and a sliding groove (42) arranged on the side wall of the blade main body (41), an extending groove (43) communicated with the sliding groove (42) is formed in the upper end of the blade main body (41), the stir-fry blade (44) is arranged in the sliding groove (42) in a sliding mode, a control motor (45) is arranged on the groove wall of one side, far away from the extending groove (43), of the sliding groove (42), the output end of the control motor (45) is connected with a control screw (46), one end, far away from the control motor (45), of the control screw (46) is rotated to penetrate into the stir-fry blade (44) to control the driving to stir-fry blade (44) and stretch out the length of the extending groove (43).

6. The preparation device of the environment-friendly plastic-based heat conduction material according to claim 5, characterized in that: the left side and the right side of the mixing hopper (1) are respectively provided with a vibration control component and a controller for controlling the vibration frequency and the vibration amplitude of the vibration control component to knock the left side and the right side of the vibration mixing hopper (1), the vibration control component is arranged on a main fixed box (51) on the side wall of the mixing hopper (1) and a control tube (52) arranged at the bottom in the main fixed box (51), one end of the control tube (52) far away from the main fixed box (51) is closed, the closed end of the control tube (52) is fixedly connected with a support plate (53), a support seat (54) is fixed on the support plate (53), a control sliding plate (55) is arranged in the control tube (52) in a sliding manner, a power storage spring (56) is arranged between the control sliding plate (55) and the closed end of the control tube (52), and a knocking rod (57) is fixed on the control, one end of the knocking rod (57) penetrates through the closed end of the control tube (52) after passing through the power storage spring (56) and is connected with a movable sliding plate (58) which slides on the upper surface of the supporting plate (53), a rack (59) is arranged on the upper surface of the movable sliding plate (58) along the length direction, a swing frame motor (60) is arranged on the supporting seat (54), the output end of the swing frame motor (60) is connected with a rotating rod (61), one end of the rotating rod (61) far away from the swing frame motor (60) penetrates through the supporting seat (54) and then is connected with a gear swing frame (62), one end of the gear swing frame (62) far away from the rotating rod (61) is provided with a gear motor (63), the output end of the gear motor (63) is connected with a gear shaft (64), and the gear shaft (64) penetrates through the gear swing frame (62) and then is connected with a gear (65).

7. A preparation method of the preparation device for the environment-friendly plastic-based heat conduction material according to claim 6 is characterized by comprising the following steps:

s1, vibrating and mixing: the raw material of the environment-friendly plastic-based heat conduction material is added into the mixing hopper (1) through the feeding pipe (4), the controller controls the gear motor (63) on the gear swing frame (62) to operate, the gear shaft (64) connected with the output end of the gear motor (63) rotates, the gear (65) rotates and is matched with the rack (59) on the upper surface of the movable sliding plate (58) through surface teeth to drive the movable sliding plate (58) to slide outwards on the supporting plate (53) and drive the control sliding plate (55) to compress and store the force on the force storage spring (56), after the gear (65) rotates for a certain number of turns, the gear motor (63) stops operating, the controller controls the swing frame motor (60) to operate, the rotating rod (61) rotates to drive the gear swing frame (62) to swing, so that the gear (65) and the rack (59) are separated from each other, under the restoring action of the force storage spring (56), the control sliding plate (55) is driven to slide towards the outer wall direction of the mixing hopper (1), the side wall of the mixing hopper (1) is knocked and vibrated through the end part of the knocking rod (57), so that raw materials in the mixing hopper (1) and the elastic hemisphere (10) are vibrated, then the controller controls the operation of a swing frame motor (60), a rotating rod (61) rotates to drive a gear swing frame (62) to swing, a gear (65) and a rack (59) are matched again, then the gear motor (63) operates at intervals to continue to accumulate force on the knocking rod (57), and the knocking vibration force of the knocking rod (57) is intermittently adjusted to the side wall of the mixing hopper (1);

s2, rotary extrusion mixing: under the driving action of a driving motor (21), a driving shaft (22) connected with the output end of the driving motor rotates and drives a driving fluted disc (23) to rotate, the driving shaft (5) and the driving shaft (22) are matched and mutually connected in a transmission way through the driving fluted disc (23) and a driven fluted disc (24), so that the driving shaft (5) is driven to rotate, and simultaneously a blade (12) at the lower end of the driving shaft (5) is driven to rotate, in the rotating process of the blade (12), raw materials which are arranged at the bottom in the mixing hopper (1) and are positioned at the left side of an upper shoulder (14) of the blade (12) are gently lifted, the lifted raw materials are intermittently inflated and exhausted to an accommodating cavity (6) inside the driving shaft (5) under the working state of an air source, the elastomer (7) on the outer wall of the driving shaft (5) realizes intermittent transverse expansion and contraction, and pushes and presses raw material particles and powder, the raw materials lifted from the bottom of the mixing hopper (1) are pushed and partially lifted, the elastic bodies (7) transversely push the raw materials and push the raw materials between the elastic hemispheres (10) which are arranged upwards and downwards, the elastic hemispheres (10) are collided to generate vibration, and the raw materials at the bottom in the mixing hopper (1) and on the right side of the upper shoulder (14) of the blade (12) are inclined to downwards and contact and mix along the right side surface of the blade (12) efficiently in the rotating process of the blade (12);

s3, surfing mixing: along with the rotation of the fixing plate (31), a vertical hydraulic rod (33) connected with the output end of a hydraulic cylinder (32) positioned on the lower surface of the fixing plate (31) is pushed downwards and drives a fixing box (34) to descend, the fixing box (34) descends together with a rotating main shaft (36) and a bearing seat (37) to enable an extension groove (43) of a blade main body (41) arranged on the side wall of the rotating main shaft (36) to enter the upper surface of the raw material, then the hydraulic cylinder (32) stops running, a control rotating motor (35) in the fixing box (34) drives the rotating main shaft (36) to rotate and drive the blade main body (41) to rotate, the upper surface of the raw material is stir-fried by using stir-frying blades (44) to form a surfing effect, the fixing plate (31) is driven to rotate along the circumferential direction of the driving shaft (5), and simultaneously, the stir-frying blades (44) extending out of the extension groove (43) are driven by the, the material is rotated in an omnibearing way, and stir-fried and beaten on the upper surface of the raw material to form continuous particle and powder waves, and in the rotating process of the rotating main shaft (36), a control motor (45) drives a control screw rod (46) connected with an output end to rotate in a forward and reverse direction to drive a stir-frying blade (44) to slide along a sliding groove (42), so that the length of the stir-frying blade (44) extending out of a groove (43) is adjusted to adjust the partial beating area of the upper surface of the beaten raw material to change the formed waves;

s4 finishing discharging: after the mixing is completed, the air source work is stopped, then, the discharge valve (3) positioned at the bottom of the mixing hopper (1) is opened, at the moment, the driving motor (21) keeps in a running state, the knocking rods (57) on the left side and the right side of the mixing hopper (1) are matched through the rotating blades (12) to intermittently and continuously knock and vibrate, so that the mixture inside the mixing hopper (1) is discharged into the screw conveying device, the mixture is conveyed into the extruder through the screw conveying device, the plasticizing extrusion is carried out in the heating state of the extruder, then the plasticizing extrusion is carried out, the cooling is carried out, and the cutting is carried out according to the corresponding specification, so that the environment-friendly.