CN116551883A - An automatic plastic granulator - Google Patents

Abstract

The invention provides an automatic plastic granulator, which includes a plastic stamping table, a stamping mold, a plastic heating conveyor, a cooling table and a cutting table. The interior of the plastic stamping table is provided with a stamping die groove and a thermal insulation device connected to the stamping die groove. Cavity, the output end of the plastic heating conveyor is connected with the heat preservation cavity, the stamping die is connected to the inside of the stamping die groove, the top of the plastic stamping table is equipped with a hydraulic cylinder, and the output end of the hydraulic cylinder drives the connection with the stamping die, and the stamping die includes its bottom The end of the stamping column is fixed and connected as a whole. The bottom end of the stamping die groove is connected with a number of outlet tubes extending to the bottom of the plastic stamping table. The stamping column is located directly above the outlet tube. The bottom end of the outlet tube is connected to a fixed extrusion nozzle. A cooling platform is provided under the platform, the outlet pipe runs through the cooling platform and is fixedly connected with the cooling platform, and a cutting platform is provided under the cooling platform. An automatic plastic granulator provided by the present invention adopts a feeding and stamping method to realize high-speed cutting and granulation.

Description

An automatic plastic granulator

technical field

The invention relates to the technical field of granulators, in particular to an automatic plastic granulator.

Background technique

The plastic granulator is mainly used to process waste plastic films, such as industrial packaging films, agricultural mulch films, greenhouse films, beer bags, handbags, woven bags, agricultural convenience bags, pots, barrels, beverage bottles, furniture, daily necessities, etc. It is suitable for most common waste plastics and is the most widely used and most popular plastic recycling processing machine in the waste plastic recycling industry.

The current plastic production process is as follows: the plastic raw material is heated by the screw extruder, melted, then flows out through the die, cooled, and finally processed by the plastic granulator to obtain the required plastic particles, and the screw needs to be transported. And extrude the material, so when performing high-speed extrusion, the motor driving the screw is required to be high, and it is difficult to achieve high-speed continuous granulation, so it is necessary to provide a plastic granulator for high-speed extrusion granulation.

Contents of the invention

The object of the present invention is to provide an automatic plastic granulator to solve the above problems.

In order to achieve the above object, the present invention is achieved through the following technical solutions: an automatic plastic granulator, comprising a plastic stamping table, a stamping die, a hydraulic cylinder, a plastic heating conveyor, a cooling table and a cutting table, the plastic stamping table The inside is provided with a stamping die groove and a thermal insulation chamber that is distributed around the stamping die groove and communicated with it. An electric heating wire is fixed inside the thermal insulation chamber, and the output end of the plastic heating conveyor communicates with the thermal insulation chamber, and the plastic heating conveyor The end of the machine is fixed with a conveying motor, the output end of the conveying motor is driven to connect with the conveying dragon shaft, the plastic heating conveyor is provided with a heating section, and an electric heating tube is arranged inside the heating section, and the stamping die is passed through Into the interior of the stamping die groove, the top of the plastic stamping table is erected and fixed with a hydraulic cylinder bracket, and a hydraulic cylinder is fixedly installed on the hydraulic cylinder bracket, and the output end of the hydraulic cylinder is driven to connect with the stamping die. The stamping die includes a stamping column whose bottom end is fixedly connected as a whole, and the bottom end of the stamping die groove is connected with a plurality of outlet pipes extending below the plastic stamping table, and the stamping column is located directly above the outlet pipe. The bottom end of the outlet pipe is connected with a fixed extrusion nozzle. A cooling platform is provided under the plastic stamping table. The outlet pipe runs through the cooling platform and is fixedly connected with the cooling platform. An annular Each of the outlet pipes is located inside the annular cavity, one end of the annular cavity is connected with a cold air feeding pipe, the other end of the annular cavity is connected with a cold air discharge pipe, and a cutting table is provided below the cooling table. A cutting motor is fixed at the bottom of the cutting table, and the output end of the cutting motor drives and connects a cutting knife located above the cutting table.

Preferably, the extrusion nozzle is located below the cooling table and is threadedly connected with the outlet pipe.

Preferably, both the cooling table and the outlet pipe are made of heat-conducting materials, and the plastic stamping table is made of heat-insulating materials.

Preferably, the plastic heating conveyor is located on the outside of the heating section and is covered and fixed with a thermal insulation cover.

Preferably, a gas flow control valve is fixedly installed on the cold air supply pipe.

Preferably, an adjusting bolt is threaded upwardly into the bottom end of the cutting table, and the top end of the adjusting bolt passes through the cutting table and is threadedly connected with the cooling table.

Preferably, the plastic heating conveyor is provided with a feeding port away from the plastic stamping station.

The invention provides an automatic plastic granulator. Has the following beneficial effects:

The automatic plastic granulator provided by the present invention only uses the traditional plastic heating conveyor as the material conveying function, so the power requirement for the conveying motor is small, and the extrusion of the plastic uses a hydraulic cylinder to drive the stamping die for high-speed stamping. The hot-melt plastic is punched and extruded from the extrusion nozzle at the end of the outlet pipe, and the high-speed rotating cutting knife is used to cut and granulate, so as to achieve reliable granulation.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of an automatic plastic granulator according to the present invention.

Fig. 2 is a schematic diagram of the external structure of Fig. 1 of an automatic plastic granulator according to the present invention.

Fig. 3 is an enlarged structural schematic diagram of Fig. 1A of an automatic plastic granulator according to the present invention.

Fig. 4 is an enlarged structural schematic diagram of Fig. 1B of an automatic plastic granulator of the present invention.

Fig. 5 is a schematic structural diagram of a cooling table of an automatic plastic granulator according to the present invention.

Fig. 6 is a schematic structural diagram of a stamping die of an automatic plastic granulator according to the present invention.

In the figure: 1. Plastic stamping table; 2. Stamping die; 3. Hydraulic cylinder; 4. Plastic heating conveyor; 5. Cooling table; 6. Cutting table; Nozzle; 10. Feed port; 11. Conveyor motor; 12. Conveyor shaft; 13. Insulation cavity; 14. Heating wire; 15. Stamping die groove; 16. Electric heating tube; 17. Insulation cover; 18. Air conditioner Feeding pipe; 19, valve; 20, cold air discharge pipe; 21, annular chamber; 22, cutting motor; 23, cutting knife; 24, adjusting bolt.

Detailed ways

Below, in conjunction with accompanying drawing and specific embodiment, the present invention is further described:

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "another side", "front", "rear", "middle part", "inner", " The orientation or positional relationship indicated by "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have specific orientation, construction and operation in a specific orientation, and therefore should not be construed as limiting the invention; the terms "first", "second" and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative Importance; In addition, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in Figures 1-6, an automatic plastic granulator includes a plastic stamping table 1, a stamping die 2, a hydraulic cylinder 3, a plastic heating conveyor 4, a cooling table 5, and a cutting table 6. The plastic stamping table 1 The interior of the stamping die groove 15 and the thermal insulation chamber 13 distributed around the stamping die groove 15 and connected with it, the inside of the thermal insulation chamber 13 is fixed with a heating wire 14 for the insulation of the plastic sent into the thermal insulation chamber 13. The output end of the plastic heating conveyor 4 communicates with the heat preservation chamber 13, the end of the plastic heating conveyor 4 is fixed with a feeding motor 11, and the output end of the feeding motor 11 is driven to connect with the feeding dragon shaft 12, The plastic heating conveyor 4 is provided with a heating section, and the inside of the heating section is provided with an electric heating tube 16, and the plastic heated to a hot-melt state by the electric heating tube 16 is sent to the inside of the heat preservation chamber through the feeding dragon shaft 12 to wait for stamping. The stamping die 2 is connected to the inside of the stamping die groove 15, and the top of the plastic stamping table 1 is erected and fixed with a hydraulic cylinder bracket, and a hydraulic cylinder 3 is fixedly installed on the hydraulic cylinder bracket, and the output end of the hydraulic cylinder 3 drives Connect the stamping die 2, the stamping die 2 includes a stamping column 7 whose bottom end is fixedly connected as a whole, and the bottom end of the stamping die groove 15 is connected with a plurality of outlet pipes 8 extending to the bottom of the plastic stamping table 1. The stamping column 7 is located directly above the outlet pipe 8, the bottom end of the outlet pipe 8 is connected to a fixed extrusion nozzle 9, and the hydraulic cylinder drives the stamping column 7 to punch and discharge the plastic inside the outlet pipe from the extrusion nozzle. A cooling table 5 is provided below the plastic stamping table 1, and the outlet pipe 8 runs through the cooling table 5 and is fixedly connected with the cooling table 5. The inside of the cooling table 5 is provided with an annular cavity 21, and each of the The outlet pipe 8 is located inside the annular chamber 21, one end of the annular chamber 21 is connected with a cold air feeding pipe 18, and the other end of the annular chamber 21 is connected with a cold air discharge pipe 20, through which the cold air feeding pipe 18 is the cooling platform 5 Cooling realizes the cooling of the plastic inside the outlet pipe, which is convenient for subsequent granulation. A cutting table 6 is provided below the cooling table 5, and a cutting motor 22 is fixed at the bottom of the cutting table 6. The output end of the cutting motor 22 The cutting knife 23 located above the cutting table 6 is drive-connected.

Through the above technical solution of the present invention, the extrusion nozzle 9 is located below the cooling table 5 and is threadedly connected to the outlet pipe 8, which facilitates the replacement of the extrusion nozzle 9 through the screw thread, and can realize different particle diameters. Extrusion of plastic.

Through the above technical solution of the present invention, the cooling table 5 and the outlet pipe 8 are both made of heat-conducting materials, and the plastic stamping table 1 is made of heat-insulating materials.

Through the above-mentioned technical solution of the present invention, the plastic heating conveyor 4 is located outside the heating section and is covered and fixedly installed with a thermal insulation cover 17. The thermal insulation cover 17 maintains the heating effect of the heating section and avoids a large amount of heat loss.

Through the above technical solution of the present invention, the cold air feeding pipe 18 is fixedly installed with a valve 19 to control its gas flow, and the cold air flow is adjusted through the adjustment of the valve 19 to adjust the cooling speed of the plastic inside the outlet pipe.

Through the above-mentioned technical solution of the present invention, the bottom end of the cutting table 6 is screwed upward with an adjusting bolt 24, and the top end of the adjusting bolt 24 passes through the cutting table 6 and is threadedly connected with the cooling table 5. The adjustment bolt 24 can adjust the distance between the cutting knife and the extrusion nozzle to realize the adjustment of the length of the cut plastic particles.

Through the above-mentioned technical solution of the present invention, the plastic heating conveyor 4 is provided with a feeding port 10 away from the plastic stamping table 1, through which feeding is performed.

The specific implementation process of the present invention is as follows: the plastic raw material is added through the feed port 10, the feeding dragon shaft 12 is driven by the feeding motor 11 to rotate and the plastic is driven forward, and the high temperature generated by the electric heating tube 16 when entering the heating section melts the plastic, The hot-melt plastic is fed into the heat preservation chamber 13, and the electric heating wire 14 inside the heat preservation chamber 13 performs heat preservation and heating. The hot-melt plastic enters the stamping die groove 15 and falls into the outlet pipe 8. The stamping die 2 carries out stamping up and down. During the stamping process, the stamping column 7 at the bottom of the stamping column 7 punches out the plastic inside the outlet pipe 8 from the extrusion nozzle 9. The hydraulic cylinder 3 can realize high-speed stroke. The plastic passes through the extrusion nozzle 9 before being extruded. The cooling table 5 is sent into cooling through the cold air feeding pipe 18, and the cold air exchanges heat with the outlet pipe 8 so that the plastic inside the outlet pipe 8 is cooled and cooled to form a solid state, and then extruded from the extrusion nozzle 9, and cut when extruding The motor 22 drives the cutter to rotate to cut the plastic, thereby realizing high-speed granulation.

To sum up, the automatic plastic granulator provided by the present invention only uses the traditional plastic heating conveyor as the material conveying function, so the power requirement for the conveying motor is small, and the extrusion of the plastic uses a hydraulic cylinder to drive the stamping. The mold performs high-speed stamping, and the hot-melt plastic is stamped and extruded from the extrusion nozzle at the end of the outlet pipe, and the high-speed rotating cutting knife is used to cut and granulate, so as to achieve reliable granulation.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. An automatic plastic granulator is characterized by comprising a plastic punching table (1), a punching die (2), a hydraulic cylinder (3), a plastic heating conveyor (4), a cooling table (5) and a cutting table (6), wherein a punching die groove (15) and a heat preservation cavity (13) which surrounds the punching die groove (15) and is communicated with the punching die groove are arranged in the plastic punching table (1), an electric heating wire (14) is fixed in the heat preservation cavity (13), the output end of the plastic heating conveyor (4) is communicated with the heat preservation cavity (13), a material conveying motor (11) is fixed at the end part of the plastic heating conveyor (4), the output end of the material conveying motor (11) is in driving connection with a material conveying dragon shaft (12), the plastic heating conveyor (4) is provided with a heating section, an electric heating tube (16) is arranged in the heating section, the punching die (2) is led into the punching die groove (15), a hydraulic cylinder support is fixed at the top end of the plastic punching table (1), a hydraulic cylinder support is fixedly arranged on the hydraulic cylinder support, the hydraulic cylinder support (3) is fixedly arranged at the top end of the plastic punching die, the hydraulic cylinder support is fixedly connected with the hydraulic cylinder (3), the hydraulic cylinder (7) is connected with the punching die (2), the utility model provides a plastic extrusion platform, including punching press die slot (15), punching press post (7) is located in the bottom intercommunication of punching press die slot (15) has a plurality of delivery pipes (8) that extend to plastics punching press platform (1) below, fixed extrusion mouth (9) are connected to the bottom of delivery pipe (8), the below of plastics punching press platform (1) is equipped with cooling platform (5), delivery pipe (8) run through cooling platform (5) and with cooling platform (5) fixed connection, the inside of cooling platform (5) is equipped with annular chamber (21), each delivery pipe (8) are located the inboard of annular chamber (21), the one end intercommunication of annular chamber (21) has air conditioning to send into pipe (18), the other end intercommunication of annular chamber (21) has air conditioning discharge pipe (20), the below of cooling platform (5) is equipped with cutting platform (6), the bottom of cutting platform (6) is fixed with cutting motor (22), the output drive connection of cutting motor (22) is located cutting platform (23) top.

2. An automated plastic granulator according to claim 1 wherein: the extrusion nozzle (9) is positioned below the cooling table (5) and is in threaded connection with the delivery pipe (8).

3. An automated plastic granulator according to claim 1 wherein: the cooling table (5) and the delivery pipe (8) are both made of heat conducting materials, and the plastic stamping table (1) is made of heat insulating materials.

4. An automated plastic granulator according to claim 1 wherein: the plastic heating conveyor (4) is fixedly provided with a heat preservation sleeve (17) in a wrapping manner outside the heating section.

5. An automated plastic granulator according to claim 1 wherein: the cold air feeding pipe (18) is fixedly provided with a valve (19) for controlling the air flow.

6. An automated plastic granulator according to claim 1 wherein: the bottom of cutting platform (6) upwards screw thread screw in has adjusting bolt (24), the top of adjusting bolt (24) runs through cutting platform (6) and with cooling platform (5) threaded connection.

7. An automated plastic granulator according to claim 1 wherein: the plastic heating conveyor (4) is provided with a feed inlet (10) far away from the plastic stamping table (1).