CN215359320U - Plastic granules production system - Google Patents

Abstract

The utility model relates to the technical field of automatic production, in particular to a plastic particle production system which comprises a forming unit, a traction unit, an impurity removal unit, a cooling unit, a cutting unit and a screening unit, wherein the forming unit is used for forming strip-shaped plastics, the traction unit is used for drawing the strip-shaped plastics to pass through the impurity removal unit, the cooling unit and the cutting unit, the impurity removal unit is used for removing impurities attached to the surface of the strip-shaped plastics, the cooling unit is used for cooling the strip-shaped plastics after impurity removal, the cutting unit is used for cutting the cooled strip-shaped plastics to form plastic particles, and the screening unit is used for screening the plastic particles. According to the utility model, the dust removal unit is arranged in front of the cooling unit and is used for removing dust and then cooling the strip-shaped plastic, so that impurities on the plastic can be effectively reduced, and the quality of the plastic is ensured.

Description

Plastic granules production system

Technical Field

The utility model relates to the technical field of automatic production, in particular to a plastic particle production system.

Background

Most of the current plastic production is to form plastic granules which are convenient to pack by cooling and then cutting after extrusion molding. However, although the above processes can be mostly realized in an automated manner, they have the following disadvantages: impurities are usually attached to the surface of the plastic after the plastic is molded, and the conventional equipment does not have a special structure for removing the impurities, so that the impurities are fused with the strip-shaped plastic once the temperature of the strip-shaped plastic is reduced, and the quality of the strip-shaped plastic is influenced.

Disclosure of Invention

The utility model provides a plastic particle production system aiming at the problems in the prior art, which can effectively remove impurities attached to the surface of plastic.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a plastic particle production system which comprises a forming unit, a traction unit, an impurity removal unit, a cooling unit, a cutting unit and a screening unit, wherein the forming unit is used for forming strip-shaped plastics, the traction unit is used for drawing the strip-shaped plastics to pass through the impurity removal unit, the cooling unit and the cutting unit, the impurity removal unit is used for removing impurities attached to the surface of the strip-shaped plastics, the cooling unit is used for cooling the strip-shaped plastics after impurity removal, the cutting unit is used for cutting the cooled strip-shaped plastics to form plastic particles, and the screening unit is used for screening the plastic particles.

Furthermore, the edulcoration unit includes edulcoration case and vacuum structure, the unit of pulling pulls strip plastics and gets into in the edulcoration incasement, the vacuum structure is used for taking out the air in the edulcoration incasement so that be in negative pressure state in the edulcoration incasement.

Further, the cooling unit comprises a cooling mechanism and a drying mechanism, the cooling mechanism comprises a cooling box and a heat exchange mechanism, cooling liquid is filled in the cooling box, and the cooling liquid is used for soaking the strip-shaped plastic to cool the strip-shaped plastic; the heat exchange mechanism is used for cooling the cooling liquid in the cooling box, and the drying mechanism is used for drying the cooled strip-shaped plastic.

Furthermore, the drying mechanism comprises a drying box and a blowing structure, the traction unit is used for drawing the strip-shaped plastic into the drying box, and the blowing structure is used for blowing the strip-shaped plastic in the drying box.

Preferably, the heat exchange mechanism comprises a heat exchange tube and a water pump, the heat exchange tube is communicated with the cooling tank, the water pump is used for driving cooling liquid to flow, and the heat exchange tube extends into the drying tank and is positioned in front of the blowing structure.

Furthermore, the cutting unit comprises a material carrying seat, a driving motor, a rotating part and a plurality of cutters, wherein the cutters are arranged on the side edge of the rotating part at intervals, the material carrying seat is used for supporting strip-shaped plastics, and the driving motor is used for driving the rotating part to rotate; the cutter is used for cutting the strip-shaped plastics to form plastic particles, and then the plastic particles are pushed into the screening unit in a rotating mode.

Further, the cutting unit comprises a transmission mechanism, a driving motor, a cam, a cutting piece and a cutter arranged on the cutting piece, the cam is arranged on a rotating shaft of the driving motor and used for controlling the cutting piece to lift, and the cutter is used for cutting strip-shaped plastics into plastic particles; the conveying mechanism is used for supporting strip-shaped plastics and conveying the plastic particles formed after cutting to the screening unit.

Still further, the cutting unit further comprises a resilient structure for forcing the cutting member down.

Further, the screening unit comprises a material supporting plate, a vibration structure and a discharging piece, the material supporting plate is provided with a plurality of screening holes, the vibration structure is used for driving the material supporting plate to vibrate, the discharging piece is arranged at the bottom of the material supporting plate, and the screening holes are used for enabling qualified plastic particles to fall into the discharging piece; the material supporting plate is also connected with a discharging piece used for outputting unqualified plastic particles.

Furthermore, the blanking part comprises a funnel arranged at the bottom of the material supporting plate, the funnel is positioned right below the plurality of material sieving holes, and the funnel is used for guiding qualified plastic particles into an external container;

an airflow structure is arranged between the material supporting plate and the discharging part and used for collecting particles attached to the qualified plastic particles.

The utility model has the beneficial effects that: according to the utility model, the dust removal unit is arranged in front of the cooling unit and is used for removing dust and then cooling the strip-shaped plastic, so that impurities on the plastic can be effectively reduced, and the quality of the plastic is ensured.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is an internal schematic view of the cooling unit of the present invention.

FIG. 3 is a schematic view of one embodiment of a cutting unit of the present invention.

FIG. 4 is a schematic view of another embodiment of a cutting unit of the present invention.

Fig. 5 is a schematic view of a screening unit of the present invention.

Fig. 6 is a schematic view of a retainer plate of the present invention.

Reference numerals: 1-forming unit, 2-drawing unit, 3-impurity removing unit, 4-cooling unit, 5-cutting unit, 6-sieving unit, 31-impurity removing box, 32-vacuum structure, 41-cooling mechanism, 42-drying mechanism, 43-cooling box, 44-heat exchanging mechanism, 45-drying box, 46-blowing structure, 47-heat exchanging pipe, 48-water pump, 51-material loading seat, 52-driving motor, 53-rotating part, 54-cutting knife, 55-transmission mechanism, 56-cam, 57-cutting part, 58-elastic structure, 61-material supporting plate, 62-vibration structure, 63-blanking part, 64-discharging part, 65-airflow structure, 66-material blocking structure, 611-sieve holes, 651-blowing part, 652-gas collecting pipe and 653-collecting box.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 6, the plastic particle production system provided by the utility model includes a forming unit 1, a drawing unit 2, an impurity removing unit 3, a cooling unit 4, a cutting unit 5, and a sieving unit 6, where the forming unit 1 is configured to form a strip-shaped plastic, the drawing unit 2 is configured to draw the strip-shaped plastic to pass through the impurity removing unit 3, the cooling unit 4, and the cutting unit 5, the impurity removing unit 3 is configured to remove impurities attached to the surface of the strip-shaped plastic, the cooling unit 4 is configured to cool the strip-shaped plastic after impurity removal, the cutting unit 5 is configured to cut the strip-shaped plastic after cooling to form plastic particles, and the sieving unit 6 is configured to sieve the plastic particles.

The forming unit 1 is a commonly-used plastic forming device and is used for heating various raw materials to a molten state, mixing the raw materials, injecting the mixture into a mold, and forming strip-shaped plastic, wherein the temperature of the strip-shaped plastic is higher than that of the normal temperature, impurities are attached to the surface of the strip-shaped plastic, and the impurities are fused into the strip-shaped plastic when the strip-shaped plastic is reduced to a certain temperature, so that the strip-shaped plastic is pulled out and then is drawn to the impurity removing unit 3, and the impurities are removed by the impurity removing unit 3 to separate the impurities from the strip-shaped plastic; after the impurities are removed, the strip-shaped plastic is pulled to a cooling unit 4 to be cooled so as to ensure further solidification and forming, then the cooled strip-shaped plastic is pulled to a cutting unit 5 to be cut so as to be made into plastic particles, finally the plastic particles are screened out so as to screen out the plastic particles with overlarge specifications to be uniformly processed, and the plastic particles meeting the requirements are collected so as to be convenient for subsequent bagging.

In this embodiment, the impurity removing unit 3 includes an impurity removing box 31 and a vacuum structure 32, the traction unit 2 pulls the strip-shaped plastic into the impurity removing box 31, and the vacuum structure 32 is used for pumping out air in the impurity removing box 31 so that the inside of the impurity removing box 31 is in a negative pressure state. That is, the impurity removing box 31 has only two openings for the strip-shaped plastic to enter and exit, and the vacuum structure 32 keeps the negative pressure state in the impurity removing box 31 all the time, so that the impurities attached to the surface of the strip-shaped plastic are sucked out and separated from the strip-shaped plastic. Because the shapes of the two openings are adapted to the shape of the strip-shaped plastic, the negative pressure inside the impurity removing box 31 can be kept stable to ensure the impurity removing effect on the strip-shaped plastic.

In the present embodiment, the cooling unit 4 includes a cooling mechanism 41 and a drying mechanism 42, the cooling mechanism 41 includes a cooling tank 43 and a heat exchange mechanism 44, the cooling tank 43 is used for containing a cooling liquid, and the cooling liquid is used for soaking the strip-shaped plastic to cool the strip-shaped plastic; the heat exchange mechanism 44 is configured to cool the cooling liquid in the cooling tank 43, and the drying mechanism 42 is configured to dry the cooled strip-shaped plastic.

When the cooling device is actually used, the cooling liquid is water, namely the cooling device cools strip-shaped plastics in a water cooling mode, the cost is low, the effect is stable, and the specific actions are as follows: the traction unit 2 draws the strip-shaped plastic subjected to impurity removal into the cooling tank 43 and soaks the strip-shaped plastic in water, the strip-shaped plastic is cooled by heat exchange between the water and the strip-shaped plastic so as to ensure that the strip-shaped plastic can be solidified, and the heat exchange mechanism 44 ensures that the temperature of the water is not too high so as to ensure the cooling effect; after cooling, the strip-shaped plastic is drawn to the drying mechanism 42, and is dried by the drying mechanism 42 to prevent moisture from adhering to the surface of the strip-shaped plastic, so that the cutting effect is not affected by water during cutting.

Specifically, the drying mechanism 42 includes a drying box 45 and a blowing structure 46, the drawing unit 2 is used for drawing the strip-shaped plastic into the drying box 45, and the blowing structure 46 is used for blowing the strip-shaped plastic in the drying box 45. The blowing structure 46 is used for blowing the strip-shaped plastic pulled into the drying box 45, and the volatilization of water on the surface of the strip-shaped plastic is accelerated in a blowing mode, so that the drying effect is achieved.

Preferably, the heat exchange mechanism 44 includes a heat exchange pipe 47 and a water pump 48, the heat exchange pipe 47 is communicated with the cooling tank 43, the water pump 48 is used for driving the cooling liquid to flow, and the heat exchange pipe 47 protrudes into the drying tank 45 and is located in front of the blowing structure 46.

Because the volatilization speed of water is higher when the temperature is higher, the utility model reasonably utilizes energy sources, namely: after water exchanges heat with strip plastics in cooler bin 43, the temperature of water can rise gradually, guarantee by water pump 48 this moment that water carries out circulation flow, make water constantly circulate and flow between the water return circuit that cooler bin 43 and heat exchange tube 47 constitute, blow structure 46 by this moment to heat exchange tube 47, after carrying out the heat exchange by wind and the water in the heat exchange tube 47, played the cooling effect to water, and the wind that has certain temperature can be because of not letting strip plastics increase the volatilization of water under the too high prerequisite of temperature, make drying effect more excellent.

In addition, if the blowing structure 46 and the heat exchanging structure 44 cannot ensure that the water temperature is reduced to a required value, a special fan or a cooling pipe may be arranged to exchange heat with the heat exchanging pipe 47.

The cutting unit 5 is used for cutting the strip-shaped plastic into granules, and a stable and efficient cutting mode needs to be adopted for improving the efficiency, so that the embodiment can be realized by the following structure: the cutting unit 5 comprises a material loading seat 51, a driving motor 52, a rotating part 53 and a plurality of cutters 54, the plurality of cutters 54 are arranged on the side edge of the rotating part 53 at intervals, the material loading seat 51 is used for supporting strip-shaped plastics, and the driving motor 52 is used for driving the rotating part 53 to rotate; the cutter 54 is used for pushing plastic particles into the sieving unit 6 in a rotating manner after cutting the strip-shaped plastic to form the plastic particles.

That is, in operation, the traction unit 2 pulls the strip-shaped plastic to the lower part of the rotating part 53, the driving motor 52 drives the rotating part 53 to rotate, so that the cutting knife 54 arranged on the rotating part 53 cuts the strip-shaped plastic to form plastic particles, and the cutting knife 54 continues to rotate after cutting is finished, so as to push the plastic particles to move on the material carrying seat 51; as the plastic particles are accumulated, the following plastic particles push the preceding plastic particles so that the preceding plastic particles leave the loading seat 51 and enter the sieving unit 6. According to the utility model, through the plurality of cutters 54, the rotating part 53 can be cut by rotating for one cycle, so that the stable and efficient action is ensured.

As another embodiment of the present embodiment, the cutting unit 5 may be configured as follows: the cutting unit 5 comprises a transmission mechanism 55, a driving motor 52, a cam 56, a cutting piece 57 and a cutter 54 arranged on the cutting piece 57, wherein the cam 56 is arranged on a rotating shaft of the driving motor 52, the cam 56 is used for controlling the cutting piece 57 to ascend and descend, and the cutter 54 is used for cutting strip-shaped plastics into plastic particles; the conveying mechanism 55 is used for supporting strip-shaped plastics and conveying the plastic particles formed after cutting to the screening unit 6.

That is, in this embodiment, the driving motor 52 drives the cam 56 to rotate, and the cam 56 is of an ellipse-like structure, so that the cutting member 57 is jacked up in the process of rotating the long side of the cam 56 to the vertical state; in the process that the long side rotates to be in a horizontal state, the cutting piece 57 descends under the action of gravity, so that the cutter 54 descends to cut the strip-shaped plastic; after cutting, the plastic granulate is conveyed out by the conveying means 55 into the sifting unit 6.

In particular, the cutting unit 5 further comprises an elastic structure 58, the elastic structure 58 being used to force the cutting member 57 to descend. The resilient structure 58 may comprise a plurality of springs which cooperate with the weight of the cutting member 57 to ensure that the cutter 54 has sufficient force to cut the strip of plastic.

In this embodiment, the material sieving unit 6 includes a material supporting plate 61, a vibrating structure 62 and a discharging member 63, the material supporting plate 61 is provided with a plurality of material sieving holes 611, the vibrating structure 62 is configured to drive the material supporting plate 61 to vibrate, the discharging member 63 is disposed at the bottom of the material supporting plate 61, and the material sieving holes 611 are configured to allow qualified plastic particles to fall into the discharging member 63; the retainer plate 61 is also connected with a discharging part 64 for discharging unqualified plastic particles.

Because dust (mainly finer plastic particles) is usually adhered to the plastic particles during cutting, the dust can affect subsequent bagging, loading and other actions, and therefore the plastic particles need to be taken out; when the material sieving unit 6 works, the plastic particles are conveyed to the material supporting plate 61, and the plastic particles are pushed by each other continuously and continuously conveyed to move on the material supporting plate 61; at this time, the material supporting plate 61 and the horizontal plane form an included angle of 5-10 degrees, so that when the material supporting plate 61 is vibrated by the vibration structure 62, plastic particles meeting requirements are continuously vibrated until falling into the material screening hole 611, the plastic particles fall into the material discharging part 63 through the material screening hole 611 and are collected, and dust on the plastic particles can be separated from the plastic particles in the vibration process; the plastic particles with the overlarge volume cannot fall into the discharging part 63 because the width of the plastic particles is larger than the aperture of the material sieving hole 611, and along with the vibration and the pushing of the subsequent plastic particles, the plastic particles with the overlarge volume are transmitted to the discharging part 64 and are guided by the discharging part 64 to fall into another box for collection, so that the workers can recycle and reshape the plastic particles with the overlarge volume.

In this embodiment, the discharging member 63 includes a hopper installed at the bottom of the retainer plate 61, the hopper is located right below the plurality of sieving holes 611, and the hopper is used for guiding qualified plastic particles to an external container. The funnel is used for guiding plastic granules promptly, and the plastic granules is guided to and is collected in placing the case of funnel bottom to the staff carries out unified unloading.

In this embodiment, an airflow structure 65 is disposed between the retainer plate 61 and the discharging member 63, and the airflow structure 65 is used for collecting particles attached to the qualified plastic particles.

In actual use, the airflow structure 65 includes an air blowing member 651, a gas collecting pipe 652 and a collecting box 653, a negative pressure device (not shown) is disposed in the gas collecting pipe 652, the air blowing member 651 is disposed opposite to the top of the gas collecting pipe 652, the air blowing member 651 and the gas collecting pipe 652 are respectively located at two sides of the funnel, and the collecting box 653 is communicated with the bottom of the gas collecting pipe 652.

That is, when the plastic particles fall on the hopper, the small particles attached to the surface of the plastic particles are splashed, and then the plastic particles are blown by a blowing member 651 (preferably a fan or an air pump, etc.), so that the small particles are forced into a gas collecting pipe 652 and sucked into a collecting tank 653 through a negative pressure device, thereby facilitating the centralized treatment of workers. Such small particles are generally dust-like and, since they affect the quality of the plastic particles, the present invention ensures that the particles are collected for disposal by the provision of the airflow structure 65, ensuring cleanliness in the hopper. Specifically, a screen can be disposed within the collection chamber 653 to allow for the attachment of small particles.

In this embodiment, the vibration structure 62 includes at least one vibration motor mounted on the retainer plate 61, or is composed of a motor cooperating with the cam 56, so that the retainer plate 61 vibrates at a high frequency, thereby achieving a material sieving effect.

In this embodiment the blanking member 63 is arranged at an acute angle to the horizontal so that oversized plastics particles can fall under gravity down the blanking member 63 into a collection box, the blanking member 63 preferably being a metal plate.

In this embodiment, the material blocking structure 66 is disposed on the top of the material supporting plate 61, and the material blocking structure 66 is used for preventing plastic particles and particles attached to the plastic particles from being sputtered to the outside, so that cleanness of the surrounding environment of the material supporting plate is ensured, and safety of workers is protected.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. A plastic granules production system which characterized in that: including shaping unit, traction unit, edulcoration unit, cooling unit, cut unit and sieve material unit, the shaping unit is used for shaping strip plastics, traction unit is used for drawing strip plastics and passes through the edulcoration unit cooling unit and cut the unit, the edulcoration unit is used for right the adnexed impurity in strip plastics surface is got rid of, cooling unit is used for cooling down the strip plastics after the edulcoration, it is used for cutting the strip plastics after the cooling in order to form plastic granules to cut the unit, sieve material unit is used for screening plastic granules.

2. The plastic pellet production system of claim 1 wherein: the edulcoration unit includes edulcoration case and vacuum structure, the unit of pulling pulls strip plastics to get into in the edulcoration case, vacuum structure is used for taking out the air in the edulcoration case is so that the edulcoration incasement is in negative pressure state.

3. The plastic pellet production system of claim 1 wherein: the cooling unit comprises a cooling mechanism and a drying mechanism, the cooling mechanism comprises a cooling box and a heat exchange mechanism, cooling liquid is filled in the cooling box, and the cooling liquid is used for soaking strip-shaped plastics to cool the strip-shaped plastics; the heat exchange mechanism is used for cooling the cooling liquid in the cooling box, and the drying mechanism is used for drying the cooled strip-shaped plastic.

4. The plastic pellet production system of claim 3 wherein: the drying mechanism comprises a drying box and a blowing structure, the traction unit is used for drawing the strip-shaped plastic into the drying box, and the blowing structure is used for blowing the strip-shaped plastic in the drying box.

5. The plastic pellet production system of claim 4 wherein: the heat exchange mechanism comprises a heat exchange tube and a water pump, the heat exchange tube is communicated with the cooling box, the water pump is used for driving cooling liquid to flow, and the heat exchange tube extends into the drying box in a protruding mode and is located in front of the air blowing structure.

6. The plastic pellet production system of claim 1 wherein: the cutting unit comprises a material carrying seat, a driving motor, a rotating part and a plurality of cutters, wherein the cutters are arranged on the side edge of the rotating part at intervals, the material carrying seat is used for supporting strip-shaped plastics, and the driving motor is used for driving the rotating part to rotate; the cutter is used for cutting the strip-shaped plastics to form plastic particles, and then the plastic particles are pushed into the screening unit in a rotating mode.

7. The plastic pellet production system of claim 1 wherein: the cutting unit comprises a transmission mechanism, a driving motor, a cam, a cutting piece and a cutter arranged on the cutting piece, the cam is arranged on a rotating shaft of the driving motor and used for controlling the cutting piece to lift, and the cutter is used for cutting strip-shaped plastics into plastic particles; the conveying mechanism is used for supporting strip-shaped plastics and conveying the plastic particles formed after cutting to the screening unit.

8. The plastic pellet production system of claim 7 wherein: the cutting unit further comprises a resilient structure for forcing the cutting member down.

9. The plastic pellet production system of claim 1 wherein: the screening unit comprises a material supporting plate, a vibration structure and a discharging piece, the material supporting plate is provided with a plurality of screening holes, the vibration structure is used for driving the material supporting plate to vibrate, the discharging piece is arranged at the bottom of the material supporting plate, and the screening holes are used for enabling qualified plastic particles to fall into the discharging piece; the material supporting plate is also connected with a discharging piece used for outputting unqualified plastic particles.

10. The plastic pellet production system of claim 9 wherein: the blanking piece comprises a funnel arranged at the bottom of the material supporting plate, the funnel is positioned right below the plurality of material sieving holes, and the funnel is used for guiding qualified plastic particles into an external container;

an airflow structure is arranged between the material supporting plate and the discharging part and used for collecting particles attached to the qualified plastic particles.

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