Multifunctional master batch preparation device for recycled plastic

Abstract

The application relates to the technical field of multifunctional master batch preparation, in particular to a multifunctional master batch preparation device for regenerated plastics, which comprises a base, the upper end face of the base is symmetrically fixedly connected with side plates, the upper end face of the side plate is fixedly connected with a wind cooling box in a cylindrical structure, the right side of the upper end face of the wind cooling box is fixedly connected with a feeding pipe, a recycling box is movably connected between the two side plates, a wind cooling mechanism is arranged in the wind cooling box, a servo motor is arranged on the front end face of the recycling box, and a fixed cross rod is fixed on the outer surface of the servo motor in a ring shape at equal distances. The wind cooling mechanism cooperates with the stirring assembly to realize shift type wind cooling and temperature reduction of the plastic master batch entering the wind cooling box. The plastic master batch is stirred, air convection in the wind cooling box is facilitated, the temperature of the plastic master batch is alternately reduced with air, and therefore the wind cooling and temperature reduction effect is improved. Compared with the traditional water cooling and temperature reduction mode, the structure is environment-friendly and does not need secondary drying.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of multifunctional master batch preparation, in particular to a multifunctional master batch preparation device for recycled plastics. BACKGROUND

[0002] The plastic master batch refers to granules prepared by mixing and kneading various additives and fillers with a small amount of carrier resin in advance during the plastic processing and molding process, and then performing metering, mixing, melting, extrusion, cooling, granulation, screening and drying processes by using an extruder and other devices.

[0003] The cooling of the master batch is a very important link in the preparation process of the multifunctional master batch. After the master batch is cut by the granulator, the master batch still has a certain residual temperature. At this time, if the master batch is packaged, the residual heat of the master batch will cause the phenomenon of deterioration or dampness in the packaging bag, which seriously affects the product quality.

[0004] To this end, the prior art discloses a cooling device for preparing colored master batch of plastic products (publication number: CN217098432U), which comprises a colored master batch preparation box body, a rotating mechanism is arranged on one side of the colored master batch preparation box body, the rotating mechanism comprises a rotating motor, a driving wheel, a support frame, a rotating seat, a fixed wheel, a roller, a guide plate, a supporting wheel and a supporting wheel support, a liquid storage tank is fixed to the bottom of the supporting wheel support, the liquid storage tank comprises a water inlet groove, a water pipe, a high-pressure water pump, a spray head, a sealing cover and a collection tank; the rotating mechanism is arranged in the utility model, which can cool the colored master batch, the roller rolls to make the colored master batch move between the guide plates, the transportation distance is increased, the high-pressure water pump and the spray head cooperate to perform liquid cooling treatment, better cooling effect is achieved, the water inlet groove on the liquid storage tank can make the cooling liquid return to the liquid storage tank, the circulation of the cooling liquid is realized, and the spray head can cool and treat the colored master batch in all directions.

[0005] The cooling device for preparing colored master batch of plastic products increases the movement path and distance of the master batch by using the roller and cooperates with the water cooling mode to cool, however, in the actual production process, the water cooling is easy to cause water pollution and consumes a large amount of water resources, and after the cooling of the master batch is completed, the master batch still needs to be dried, and then the master batch can be packaged and sold, so that the method not only increases the steps of the master batch production and preparation, reduces the master batch production efficiency, and wastes resources.

[0006] Therefore, the multifunctional master batch preparation device for recycled plastics is proposed. SUMMARY

[0007] The application aims to provide a multifunctional master batch preparation device for recycled plastics to solve the problems in the background art.

[0008] In order to achieve the above object, the present application provides the following technical scheme: a multifunctional master batch preparation device for recycled plastics, comprising a base, the upper end surface of the base is symmetrically fixedly connected with side plates, the upper end surface of the side plate is fixedly connected with a cylindrical structure of the air cooling box, the upper end surface of the air cooling box is fixedly connected with a feeding pipe on the right side, two side plates are movably connected with a recycling box, the inside of the air cooling box is provided with an air cooling mechanism, the front end surface of the recycling box is provided with a servo motor, the outer surface of the servo motor is fixedly connected with a fixed cross bar at equal distances, and the end of the fixed cross bar away from the servo motor is fixedly connected with the front end surface of the air cooling box through bolts;

[0009] The air cooling mechanism is drivingly connected with the servo motor, the air cooling mechanism comprises a dust screen one fixedly connected to the front side of the inner surface of the air cooling box, a cooling fan blade one arranged on the rear side of the dust screen one, a cooling screen one arranged on the rear side of the cooling fan blade one, the cooling screen one is fixed to the inner wall of the air cooling box, the cooling fan blade one is rotatably connected to the air cooling box, a stirring assembly is arranged on the rear side of the cooling screen one, the stirring assembly is sequentially provided with a cooling screen two, a cooling fan blade two and a dust screen two, wherein the cooling screen two and the dust screen two are fixed to the inner wall of the cooling screen, a driving shaft is arranged through the inside of the air cooling box, and the driving shaft is rotatably connected with the cooling screen one, the cooling screen two, the dust screen one and the dust screen two through bearings, and the cooling fan blade one and the cooling fan blade two are fixedly connected with the driving shaft.

[0010] The rear end of the driving shaft is fixedly connected with a discharging assembly, the servo motor controls the counterclockwise rotation of the driving shaft to cooperate with the stirring assembly to realize the stirring and air cooling of the plastic master batch in the air cooling box, and the servo motor controls the clockwise rotation of the driving shaft to cooperate with the stirring assembly to realize the weighing and discharging of the plastic master batch after air cooling, so as to facilitate the accurate packaging of the operator.

[0011] Preferably, the cooling screen one and the cooling screen two are both composed of a hollow metal plate, and the inner hole diameter of the hollow metal plate is smaller than the diameter of the plastic master batch.

[0012] Preferably, the dust screen one is provided with an electric heating wire, the electric heating wire is electrically connected with an external control device, and the rear end surface of the air cooling box is provided with an LED display screen.

[0013] Preferably, the stirring assembly comprises an isosceles trapezoidal structure designed metering plate and an outer fixed plate, the metering plate is located in the inside of the outer fixed plate, the metering plate and the outer fixed plate are sealed by a sealing film made of rubber material, and a weight sensor is fixedly connected between the metering plate and the outer fixed plate.

[0014] Preferably, the inner side of the outer fixed plate is symmetrically provided with a sliding groove, a sliding block is slidably connected in the sliding groove, the sliding block is fixedly connected with a metering plate, the metering plate is made of carbon fiber material, the outer fixed plate is made of stainless steel material, and one end of the outer fixed plate is fixedly connected with a driving shaft.

[0015] Preferably, the discharging assembly comprises a discharging pipe fixedly connected to the rear end of the driving shaft, helical blades are fixedly connected in the discharging pipe, an oval discharging port is formed in the corresponding position of the outer surface of the driving shaft and the metering plate, a discharging channel is formed in the rear end of the driving shaft to the discharging port, and the discharging pipe is in communication with the discharging port through the discharging channel in the driving shaft.

[0016] Preferably, the discharging channel is formed in the driving shaft at an inclined angle, one end of the discharging channel close to the discharging port is a high point, and the other end of the discharging channel close to the discharging pipe is a low point.

[0017] Preferably, the outer surface of the air cooling box is detachably connected with a filtering assembly at the corresponding position of the recovery box, and the filtering assembly is in oscillation with the stirring assembly in the counterclockwise rotation state.

[0018] Preferably, the filtering assembly comprises a filter screen, metal reeds are fixedly connected to the front and rear sides of the filter screen, a fixed block is fixed to one end of the metal reed, a fixed groove is formed in the corresponding position of the inside of the air cooling box and the fixed block, and the fixed block is locked and fixed in the fixed groove through bolts.

[0019] Preferably, a plurality of inclined structure designed teeth are equidistantly distributed in the upper end surface of the filter screen, and an inclined structure vibration block is fixedly connected to the end of the outer fixed plate away from the driving shaft.

[0020] Compared with the prior art, the application has the following advantages:

[0021] 1. The air cooling mechanism cooperates with the stirring assembly to realize shift type air cooling and cooling of the plastic master batch entering the air cooling box, the stirring of the plastic master batch facilitates the convection of the air in the air cooling box, increases the cooling of the plastic master batch through the cold and hot air alternately, and improves the air cooling effect, which is more environmentally friendly and does not require secondary drying compared with the traditional water cooling method.

[0022] 2. The servo motor controls the counterclockwise rotation of the driving shaft to cooperate with the stirring assembly to realize the stirring type air cooling of the plastic master batch in the air cooling box, and after the air cooling is completed, the servo motor controls the clockwise rotation of the driving shaft to cooperate with the stirring assembly to realize the weighing and discharging of the plastic master batch after air cooling, so as to facilitate the accurate packaging of the operator.

[0023] 3. The application can screen the plastic master batch in the air-cooled box, remove the plastic master batch with unqualified particle size and the defective plastic master batch, and thus improve the product quality by designing the filtering assembly to cooperate with the stirring assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0025] Figure 1 It is the overall structure view of the present application;

[0026] Figure 2 It is the front view of the overall structure of the present application;

[0027] Figure 3 It is the cross-sectional view of the overall structure of the present application;

[0028] Figure 4 It is the Figure 3 enlarged view of A in the present application;

[0029] Figure 5 It is the structure view of the driving shaft and the stirring mechanism of the present application;

[0030] Figure 6 It is the Figure 5 enlarged view of B in the present application;

[0031] Figure 7 It is the structure view of the metering plate and the outer fixed plate of the present application;

[0032] Figure 8 It is the structure view of the air-cooled box and the filtering assembly of the present application.

[0033] BRIEF DESCRIPTION OF DRAWINGS

[0034] 1, base; 11, side plate; 2, recycling box; 3, servo motor; 31, fixed cross bar; 4, air cooling box; 41, feed pipe; 5, air cooling mechanism; 51, dust screen one; 52, air cooling fan one; 53, air cooling screen one; 54, air cooling screen two; 55, dust screen two; 56, air cooling fan two; 57, drive shaft; 6, discharge assembly; 61, discharge pipe; 62, spiral blade; 63, discharge port; 7, stirring assembly; 71, metering plate; 72, outer fixed plate; 73, vibration block; 74, weight sensor; 75, chute; 76, sliding block; 77, sealing film; 78, gear; 8, filter assembly; 81, filter screen; 82, metal reed; 83, fixed block; 84, fixed groove. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0036] Please refer to Figures 1 to 8 The present application provides a technical solution:

[0037] A multifunctional master batch preparation device for recycled plastics, comprising a base 1, the upper end surface of the base 1 is symmetrically fixedly connected with side plates 11, the upper end surface of the side plates 11 is fixedly connected with an air cooling box 4 in a cylindrical structure, the right side of the upper end surface of the air cooling box 4 is fixedly connected with a feed pipe 41, a recycling box 2 is movably connected between the two side plates 11, the inside of the air cooling box 4 is provided with an air cooling mechanism 5, the front end surface of the recycling box 2 is provided with a servo motor 3, the outer surface of the servo motor 3 is annularly and equidistantly fixed with fixed cross bars 31, one end of the fixed cross bars 31 away from the servo motor 3 is fixedly connected with the front end surface of the air cooling box 4 through bolts;

[0038] The air cooling mechanism 5 is in transmission connection with the servo motor 3, the air cooling mechanism 5 includes the dust screen one 51 fixedly connected to the front side of the inner surface of the air cooling box 4, the dust screen one 51 is provided with the air cooling fan blade one 52 at the rear side, the rear side of the air cooling fan blade one 52 is provided with the air cooling screen one 53, the air cooling screen one 53 is fixed with the inner wall of the air cooling box 4, the air cooling fan blade one 52 is in rotary connection with the air cooling box 4, the rear side of the air cooling screen one 53 is provided with the stirring assembly 7, the rear side of the stirring assembly 7 is sequentially provided with the air cooling screen two 54, the air cooling fan blade two 56 and the dust screen two 55, wherein the air cooling screen two 54 and the dust screen two 55 are both fixed with the inner wall of the air cooling screen, the driving shaft 57 is provided at the inner center position of the air cooling box 4 in a penetrating mode, and the driving shaft 57 is in rotary connection with the air cooling screen one 53, the air cooling screen two 54, the dust screen one 51 and the dust screen two 55 through bearings, the air cooling fan blade one 52 and the air cooling fan blade two 56 are both fixedly connected with the driving shaft 57;

[0039] The rear end of the driving shaft 57 is fixed with the discharging assembly 6, the air cooling box 4 is internally cooled by stirring the plastic master batch in the air cooling box 4 through the servo motor 3 controlling the driving shaft 57 to rotate counterclockwise and cooperating with the stirring assembly 7, the servo motor 3 controls the driving shaft 57 to rotate clockwise and cooperates with the stirring assembly 7 to realize the weighing and discharging of the plastic master batch after air cooling, so as to facilitate the accurate packaging of the operator, the air cooling screen one 53 and the air cooling screen two 54 are both composed of a hollow metal plate, and the inner mesh hole diameter of the hollow metal plate is smaller than the diameter of the plastic master batch.

[0040] Through the above technical scheme, when working, the worker connects the feeding pipe 41 on the air cooling box 4 with the pelletizer, or dismounts and installs the feeding pipe 41 into the feeding hopper, the worker pours the plastic master batch into the air cooling box 4 through the feeding hopper, then the user controls the servo motor 3 to rotate counterclockwise through the external control design, at this time, the output shaft of the servo motor 3 is connected with the driving shaft 57 in the air cooling box 4, and then the driving shaft 57 is controlled to rotate, the driving shaft 57 controls the air cooling fan blade one 52 and the air cooling fan blade two 56 to rotate in the process of rotating, air current blows the plastic master batch located in the air cooling screen one 53 and the air cooling screen two 54 through the dust screen one 51 and the air cooling screen one 53, the air cooling is realized by alternating the cold and hot of the external air and the plastic master batch in the air cooling box 4, then the air current is discharged to the rear side of the air cooling box 4 through the air cooling screen two 54 and the dust screen two 55, in the process of the air current blowing the plastic master batch, the stirring assembly 7 stirs the plastic master batch, so that the plastic master batch is always in a flowing and non-stacked state, and then the external air can better contact with the plastic master batch to realize air cooling and improve the cooling effect.

[0041] As an embodiment of the present application, as shown in Figure 3 The dust screen one 51 is internally provided with an electric heating wire, the electric heating wire is electrically connected with external control equipment, and the rear end surface of the air cooling box 4 is internally provided with an LED display screen.

[0042] By adopting the above technical scheme, the hot melt strip-shaped plastic body extruded by the extruder needs to be cooled by water and then cut into particles during production, so that the plastic master batch may still have residual heat and the surface may still have some water stains during the cutting process. In winter, the outside air temperature is lower than the temperature of the just-produced plastic master batch with heat, and condensation phenomenon is easy to occur. Therefore, the surface of the plastic master batch needs to be dried. At this time, the user can generate high temperature by conducting the heating wire, and the air cooling fan blade 52 rotates to generate wind force through the dust screen 51, which is heated, and then blows the plastic master batch in the air cooling box 4 to realize the drying of the plastic master batch. The heating temperature is not more than fifty degrees, and the user can install a temperature sensor in the air cooling box 4. The temperature sensor is connected with external control equipment and an LED display screen, so that the user can know the temperature in the air cooling box 4 and choose whether to suspend the drying step.

[0043] As an embodiment of the present application, as shown in 7, the stirring assembly 7 comprises a metering plate 71 and an outer fixed plate 72 designed in an isosceles trapezoidal structure, the metering plate 71 is located inside the outer fixed plate 72, the metering plate 71 and the outer fixed plate 72 are sealed by a sealing film 77 made of rubber material, and a weight sensor 74 is fixedly connected between the metering plate 71 and the outer fixed plate 72.

[0044] By adopting the technical scheme, the plastic master batch in the air-cooled box 4 is stirred and air-cooled by the servo motor 3 controlling the driving shaft 57 to rotate counterclockwise to cooperate with the stirring assembly 7, and after the air-cooled cooling is completed, the servo motor 3 controls the driving shaft 57 to rotate clockwise to cooperate with the stirring assembly 7 to realize the weighing and rearrangement of the plastic master batch after air-cooled cooling, so as to facilitate the accurate packaging of the operator, when the servo motor 3 controls the driving shaft 57 to rotate counterclockwise, the outer fixed plate 72 in the stirring assembly 7 contacts the plastic master batch, and the outer surface of the outer fixed plate 72 continuously contacts the plastic master batch to stir the plastic master batch, and the inclination angle of the outer surface of the outer fixed plate 72 will not cause cutting damage to the plastic master batch, thereby ensuring the production quality of the plastic master batch, and after the air-cooled cooling is completed, the servo motor 3 controls the driving shaft 57 to rotate clockwise, and the metering plate 71 contacts the plastic master batch, and under the action of the isosceles trapezoidal structure of the metering plate 71, the metering plate 71 moves to load the plastic master batch, and the metering plate 71 loads the metering plate 71 to move to contact the weight sensor 74, and the weight sensor 74 feeds back the weight of the loaded plastic master batch and displays it on the LED display screen, and then the operator can clearly know the weight of the loaded plastic master batch when packaging the discharged plastic master batch, and the sealing film 77 at the edge of the metering plate 71 and the outer fixed plate 72 is used to prevent the plastic master batch from entering between the two, so as to avoid affecting the measurement of the gravity sensor, and the sealing film 77 at the edge is made of rubber material and has elasticity, which can reduce the probability of damage to the plastic master batch caused by hard collision of the edge with the plastic master batch when the outer fixed plate 72 is driven by the driving shaft 57 to stir the plastic master batch.

[0045] As an embodiment of the present application, as shown in Figure 7 The inner side of the outer fixed plate 72 is symmetrically provided with a sliding groove 75, the sliding groove 75 is slidably connected with a sliding block 76, the sliding block 76 is fixedly connected with the metering plate 71, the metering plate 71 is made of carbon fiber material, the outer fixed plate 72 is made of stainless steel metal material, and one end of the outer fixed plate 72 is fixedly connected with the driving shaft 57.

[0046] By adopting the technical scheme, based on the above embodiment, the sliding block 76 and the sliding groove 75 are slidably connected to ensure that the metering plate 71 can smoothly move downward to contact the gravity sensor when loading the plastic master batch, so as to facilitate the accurate measurement of the weight of the plastic master batch on the metering plate 71 by the gravity sensor, thereby facilitating the subsequent packaging of the plastic master batch by the operator.

[0047] As an embodiment of the present application, as shown in Figure 5 And Figure 6As shown, the discharge assembly 6 includes a discharge pipe 61 fixedly connected to the rear end of the drive shaft 57, the discharge pipe 61 is fixedly connected with a spiral blade 62, the outer surface of the drive shaft 57 is provided with an oval discharge port 63 at the corresponding position of the metering plate 71, the rear end of the drive shaft 57 is provided with a discharge passage to the discharge port 63, the discharge pipe 61 is communicated with the discharge port 63 through the discharge passage in the drive shaft 57, the discharge passage is provided at an inclined angle in the drive shaft 57, one end of the discharge passage close to the discharge port 63 is a high point, and one end of the discharge passage close to the discharge pipe 61 is a low point.

[0048] By adopting the above technical scheme, based on the above embodiment, when the servo motor 3 controls the drive shaft 57 to rotate clockwise, the metering plate 71 contacts the plastic master batch at this time, and under the action of the isosceles trapezoidal structure of the metering plate 71, the metering plate 71 will load the plastic master batch and move. When the metering plate 71 loaded with the plastic master batch is tilted after rotating, the plastic master batch on the metering plate 71 slides to the direction of the discharge port 63 under the action of the inclination angle of the metering plate 71, and the plastic master batch enters the discharge passage in the drive shaft 57 through the discharge port 63, and then moves to the direction of the discharge pipe 61 under the action of the inclination angle of the discharge passage. At this time, the plastic master batch is discharged under the action of the spiral blade 62 in the discharge pipe 61, and the discharged plastic master batch is packaged by the worker.

[0049] As an embodiment of the present application, as shown in Figure 3 、 Figure 4 、 Figure 8 As shown, the outer surface of the air-cooled box 4 is detachably connected and fixed with the filter assembly 8 at the corresponding position of the recovery box 2, the filter assembly 8 is shaken by the stirring assembly 7 in the counterclockwise rotating state, the filter assembly 8 includes a filter screen 81, the front and rear sides of the filter screen 81 are fixedly connected with metal reed 82, one end of the metal reed 82 is fixedly connected with a fixed block 83, the inside of the air-cooled box 4 is provided with a fixed groove 84 at the corresponding position of the fixed block 83, the fixed block 83 is locked and fixed in the fixed groove 84, the upper end surface of the filter screen 81 is provided with a plurality of inclined structure designed teeth 78 at equal intervals in the middle, and the outer fixed plate 72 is fixedly connected with an inclined structure vibration block 73 at one end away from the drive shaft 57.

[0050] By adopting the above technical scheme, due to the influence of the external environment and the machine itself, the plastic master batch produced by the dicer may be uneven in size or even broken. Such plastic master batch is a defective product, affecting the product quality. Therefore, during the stirring and air cooling process of the plastic master batch by the stirring assembly 7 driven to rotate counterclockwise by the servo motor 3, part of the defective plastic master batch is filtered through the filter screen 81. The unqualified plastic master batch is filtered and falls to the recycling box 2 below for collection. During this process, part of the plastic master batch may easily block the mesh of the filter screen 81, affecting the filtering effect of the plastic master batch. Therefore, when the stirring assembly 7 rotates, the vibration block 73 at the lower end of the outer fixed plate 72 will contact the teeth 78. Then the vibration block 73 is fixed with the outer fixed plate 72 by the high-toughness metal spring. Therefore, when the vibration block 73 contacts the teeth 78, the vibration block 73 is squeezed. At this time, the high-toughness metal spring is bent and stored. Until the outer fixed plate 72 rotates and displaces, the vibration block 73 is separated from the teeth 78 in contact with it. Then the high-toughness metal spring is instantaneously elastically reset. At this time, the vibration block 73 collides with the next set of teeth 78, achieving knocking and vibration. The vibration intensity is transmitted to the entire filter screen 81, and the plastic master batch blocking the mesh is discharged. At the same time, the structure of the filter screen 81 on both sides through the metal spring 82 and the fixed block 83 fixed with the air cooling box 4 can also cooperate with the vibration.

[0051] Working principle: when working, the worker connects the feeding pipe 41 on the air cooling box 4 with the dicer, or disassembles and installs the feeding pipe 41 into the feeding hopper. The worker pours plastic master batch into the air cooling box 4 through the feeding hopper. Then the user controls the servo motor 3 to rotate counterclockwise through the external control design. At this time, the output shaft of the servo motor 3 is connected with the driving shaft 57 in the air cooling box 4, so as to control the rotation of the driving shaft 57. The driving shaft 57 controls the rotation of the air cooling fan blade one 52 and the air cooling fan blade two 56 in the process of rotation, so as to generate airflow to blow the plastic master batch located in the air cooling net one 53 and the air cooling net two 54 through the dust screen one 51 and the air cooling net one 53. The cold and hot air is alternately used to realize air cooling and cooling of the plastic master batch in the air cooling box 4. Then the airflow is discharged to the rear side of the air cooling box 4 through the air cooling net two 54 and the dust screen two 55. In the process of blowing the plastic master batch by the airflow, the stirring assembly 7 stirs the plastic master batch, so that the plastic master batch is always in a flowing and non-stacked state, thereby facilitating the better contact between the external air and the plastic master batch to realize air cooling and cooling, and improving the cooling effect.

[0052] The hot melt strip-shaped plastic body extruded by the extruder needs to be cooled by water and then cut into granules during production. Therefore, the plastic master batch may still have residual heat and water stains on the surface during the cutting process. In winter, the outside air temperature is lower than the temperature of the just-produced plastic master batch with heat, which is prone to condensation. Therefore, the surface of the plastic master batch needs to be dried. At this time, the user can generate high temperature by conducting electricity through the heating wire, and the wind cooling fan blade 52 rotates to generate wind force through the dustproof net 51, which is heated, and then blows the plastic master batch in the air cooling box 4 to achieve drying of the plastic master batch. The heating temperature does not exceed 50 degrees, and the user can install a temperature sensor in the air cooling box 4. The temperature sensor is connected with external control equipment and an LED display screen, so that the user can know the temperature in the air cooling box 4 and choose whether to pause the drying step.

[0053] The stirring assembly 7 is controlled to rotate counterclockwise by the servo motor 3 to stir and cool the plastic master batch in the air cooling box 4. After the cooling is completed, the servo motor 3 is controlled to rotate clockwise to stir and cool the plastic master batch, so that the operator can accurately package the plastic master batch. When the servo motor 3 controls the drive shaft 57 to rotate counterclockwise, the outer fixed plate 72 in the stirring assembly 7 contacts the plastic master batch. The outer surface of the outer fixed plate 72 constantly contacts the plastic master batch to stir the plastic master batch. The inclination angle of the outer surface of the outer fixed plate 72 will not cause cutting damage to the plastic master batch, thereby ensuring the production quality of the plastic master batch. After the cooling is completed, the servo motor 3 controls the drive shaft 57 to rotate clockwise. At this time, the metering plate 71 contacts the plastic master batch. Under the action of the isosceles trapezoidal structure of the metering plate 71, the metering plate 71 moves with the plastic master batch loaded. At this time, the metering plate 71 moves downward to contact the weight sensor 74. The weight sensor 74 feeds back the weight of the loaded plastic master batch and displays it on the LED display screen. Then, the operator can clearly know the weight of the loaded plastic master batch when packaging the plastic master batch. The sealing film 77 at the edge of the metering plate 71 and the outer fixed plate 72 is used to prevent the plastic master batch from entering between the two, so as to avoid affecting the measurement of the gravity sensor. The sealing film 77 at the edge is made of rubber and has elasticity. When the outer fixed plate 72 is driven by the drive shaft 57 to stir the plastic master batch, the probability of hard collision between the edge and the plastic master batch is reduced.

[0054] The sliding block 76 and the sliding groove 75 are connected for the purpose of ensuring that the metering plate 71 can move downward to contact the gravity sensor stably when loading the plastic master batch, so as to facilitate the gravity sensor to accurately measure the weight of the plastic master batch on the metering plate 71, and facilitate the subsequent operator to package the plastic master batch.

[0055] When the servo motor 3 controls the driving shaft 57 to rotate clockwise, the metering plate 71 contacts the plastic master batch, and under the action of the isosceles trapezoidal structure of the metering plate 71, the metering plate 71 moves to load the plastic master batch. When the metering plate 71 loaded with the plastic master batch is tilted after rotating, the plastic master batch on the metering plate 71 slides to the discharge port 63 under the action of the tilt angle of the metering plate 71, and the plastic master batch enters the discharge channel in the driving shaft 57 through the discharge port 63, and then moves to the discharge pipe 61 under the action of the tilt angle of the discharge channel. At this time, the plastic master batch is discharged under the action of the spiral blade 62 in the discharge pipe 61, and the discharged plastic master batch is packaged by the worker;

[0056] Due to the influence of the external environment and the machine itself, the plastic master batch produced by the dicer will have uneven size or even be broken. Such plastic master batch is a defective product, which affects the product quality. Therefore, during the stirring and air cooling process of the plastic master batch by the stirring assembly 7 controlled by the servo motor 3 to rotate counterclockwise, part of the defective plastic master batch is filtered through the filter screen 81, and the unqualified plastic master batch falls through the filter screen 81 and is collected in the recycling box 2 below. During this process, part of the plastic master batch may be easily blocked in the mesh of the filter screen 81, which affects the filtering effect of the plastic master batch. Therefore, when the stirring assembly 7 rotates, the vibration block 73 at the lower end of the outer fixed plate 72 contacts the tooth 78, and then the vibration block 73 is fixed to the outer fixed plate 72 by the high-toughness metal spring. Therefore, when the vibration block 73 contacts the tooth 78, the vibration block 73 is compressed, and the high-toughness metal spring is bent and stored. Until the outer fixed plate 72 rotates and displaces, the vibration block 73 is separated from the tooth 78 it contacts. Then the high-toughness metal spring is instantaneously elastically reset. At this time, the vibration block 73 collides with the next set of teeth 78, achieving knocking and vibration. The vibration intensity is transmitted to the entire filter screen 81, and the plastic master batch blocked in the mesh is discharged. At the same time, the structure of the filter screen 81 on both sides, which is fixed to the air cooling box 4 by the metal spring 82 and the fixed block 83, can also cooperate with the vibration.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents. The modification or replacement does not change the essence of the corresponding technical solution from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for preparing multifunctional masterbatch for recycled plastics, comprising a base (1), characterized in that: The upper end surface of the base (1) is symmetrically fixedly connected to a side plate (11), the upper end surface of the side plate (11) is fixedly connected to a cylindrical air-cooling box (4), the right side of the upper end surface of the air-cooling box (4) is fixedly connected to a feed pipe (41), a recovery box (2) is movably connected between the two side plates (11), an air-cooling mechanism (5) is provided inside the air-cooling box (4), a servo motor (3) is provided on the front end surface of the recovery box (2), a fixed cross bar (31) is fixed to the outer surface of the servo motor (3) at equal intervals, and the end of the fixed cross bar (31) away from the servo motor (3) is fixed to the front end surface of the air-cooling box (4) by bolt connection; The air cooling mechanism (5) is connected to the servo motor (3) in a transmission manner. The air cooling mechanism (5) includes a dustproof net (51) fixedly connected to the front side of the inner surface of the air cooling box (4). The rear side of the dustproof net (51) is provided with an air cooling fan blade (52). The rear side of the air cooling fan blade (52) is provided with an air cooling net (53). The air cooling net (53) is fixed to the inner wall of the air cooling box (4). The air cooling fan blade (52) is rotatably connected to the air cooling box (4). The rear side of the air cooling net (53) is provided with a stirring component (7). The stirring component ( 7) are provided with an air-cooling net 2 (54), an air-cooling fan blade 2 (56) and a dust-proof net 2 (55) in sequence on the rear side, wherein the air-cooling net 2 (54) and the dust-proof net 2 (55) are both fixed to the inner wall of the air-cooling net, a driving shaft (57) is provided through the inner center position of the air-cooling box (4), and the driving shaft (57) and the air-cooling net 1 (53), the air-cooling net 2 (54), the dust-proof net 1 (51) and the dust-proof net 2 (55) are all rotatably connected through bearings, and the air-cooling fan blade 1 (52) and the air-cooling fan blade 2 (56) are both fixedly connected to the driving shaft (57); A discharge assembly (6) is fixed to the rear end of the drive shaft (57). The servo motor (3) controls the drive shaft (57) to rotate counterclockwise to cooperate with the stirring assembly (7) to achieve stirring air cooling and cooling of the plastic masterbatch in the air cooling box (4). The servo motor (3) controls the drive shaft (57) to rotate clockwise to cooperate with the stirring assembly (7) to achieve weighing and discharging of the plastic masterbatch after air cooling and cooling, so as to facilitate accurate packaging by operators. The stirring assembly (7) includes a metering plate (71) with an isosceles trapezoidal structure design and an outer fixed plate (72); The discharge assembly (6) comprises a discharge pipe (61) fixedly connected to the rear end of the drive shaft (57), a spiral blade (62) fixedly connected inside the discharge pipe (61), an elliptical discharge opening (63) is provided on the outer surface of the drive shaft (57) at positions corresponding to the metering plate (71), a discharge channel is provided from the rear end of the drive shaft (57) to the discharge opening (63), and the discharge pipe (61) is communicated with the discharge opening (63) through the discharge channel inside the drive shaft (57).

2. The multifunctional masterbatch preparation device for recycled plastics according to claim 1, characterized in that: The air cooling net 1 (53) and the air cooling net 2 (54) are both made of hollow metal plates, and the mesh diameter of the hollow metal plates is smaller than the diameter of the plastic masterbatch.

3. The multifunctional masterbatch preparation device for recycled plastics according to claim 1, characterized in that: The dustproof net (51) has a built-in electric heating wire, which is electrically connected to an external control device. The rear end face of the air cooling box (4) has a built-in LED display screen.

4. The multifunctional masterbatch preparation device for recycled plastics according to claim 1, characterized in that: The metering plate (71) is located inside the outer fixing plate (72), and a rubber sealing film (77) is glued to the edges of the metering plate (71) and the outer fixing plate (72) for sealing. A weight sensor (74) is fixedly connected between the metering plate (71) and the outer fixing plate (72).

5. The device for preparing multifunctional masterbatch for recycled plastics according to claim 4, characterized in that: The inner side surface of the outer fixing plate (72) is symmetrically provided with a slide groove (75), the inner portion of the slide groove (75) is slidably connected to a slider (76), the slider (76) is fixedly connected to the metering plate (71), the metering plate (71) is made of carbon fiber material, the outer fixing plate (72) is made of stainless steel metal material, and one end of the outer fixing plate (72) is fixedly connected to the drive shaft (57).

6. The device for preparing multifunctional masterbatch for recycled plastics according to claim 5, characterized in that: The discharge channel is opened in the drive shaft (57) at an inclined angle, with the end of the discharge channel close to the discharge port (63) being the highest point and the end close to the discharge pipe (61) being the lowest point.

7. The device for preparing multifunctional masterbatch for recycled plastics according to claim 1, characterized in that: A filter assembly (8) is detachably connected and fixed to the lower side of the outer surface of the air-cooling box (4) at a position corresponding to the recovery box (2), and the filter assembly (8) generates vibrations with the stirring assembly (7) in a counterclockwise rotating state.

8. The device for preparing multifunctional masterbatch for recycled plastics according to claim 7, characterized in that: The filter assembly (8) includes a filter screen (81), the front and rear sides of the filter screen (81) are fixedly connected with metal springs (82), one end of the metal spring (82) is fixed with a fixing block (83), the interior of the air cooling box (4) is provided with a fixing groove (84) at a position corresponding to the fixing block (83), and the fixing block (83) is located inside the fixing groove (84) and is locked and fixed by bolts.

9. The device for preparing multifunctional masterbatch for recycled plastics according to claim 8, characterized in that: A plurality of teeth (78) with an inclined structure are evenly distributed in the middle of the upper end surface of the filter screen (81), and a vibration block (73) with an inclined structure is fixedly connected to one end of the outer fixing plate (72) away from the drive shaft (57).

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