Plastic particle extruding and cutting device

Abstract

The utility model discloses a plastic particle extruding and cutting device which comprises a box body, an extruder body is arranged at the top of the box body, one end of the extruder body is connected with an extruding cylinder, a circulating refrigerating machine is arranged on one side of the box body, and one end of the circulating refrigerating machine is connected with a refrigerating pipe. One end of the circulating refrigerating machine is connected with the extrusion barrel, the other end of the refrigerating pipe penetrates through the interior of the extrusion barrel and is connected with the other end of the circulating refrigerating machine, one end of the extrusion barrel is connected with a cutting box, and a cutting mechanism is arranged on the inner side of the cutting box. According to the plastic cutting device, the cutting operation after plastic extrusion can be facilitated, the extruded plastic can be rapidly cooled through the arrangement, the adhesion phenomenon during cutting is effectively avoided, the cutting quality is guaranteed, meanwhile, the multiple rows of extruded plastic are cut through the multiple sets of cutters at the same time, and the cutting uniformity of plastic particles is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic particle production, in particular to a plastic particle extrusion and cutting device. Background Art

[0002] Plastic extruder is a common plastic production equipment that can be used for melt granulation. Its working principle is: the screw rotates in the barrel, the material is continuously pushed and compacted, and under the action of strong shear, friction and external heater, it gradually melts and is extruded from the head at a certain pressure and flow rate. The extruded plastic is cut into plastic particles, and then the plastic particles are collected.

[0003] However, in the prior art, the plastic particles extruded by the extruder are relatively high in temperature, soft in texture, and have a certain degree of viscosity, and are easily adhered to the cutter during cutting, thus affecting the cutting quality. In addition, since the positions of the plurality of extrusion holes arranged on the extrusion port are different, there is a difference in the cutting time of the rotating cutter, which leads to a difference in the extrusion length of the extrusion ports at different positions, that is, the plastic particles obtained by the cutter rotating to cut all the extrusion holes on the entire extrusion port once are of different sizes and are not uniform.

[0004] Therefore, a plastic particle extrusion and cutting device is needed to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the above problems, the utility model provides a plastic particle extrusion and cutting device.

[0006] The utility model provides the following technical scheme: a plastic particle extrusion and cutting device, comprising a box body and an extruder body, the extruder body is installed on the top of the box body, one end of the extruder body is connected to an extrusion barrel, a plurality of extrusion holes are arranged on the inner side of the extrusion barrel, a mounting frame is installed on one side of the box body, a circulating refrigerator is installed on the top of the mounting frame, one end of the circulating refrigerator is connected to a refrigeration pipe, the other end of the refrigeration pipe passes through the interior of the extrusion barrel and is connected to the other end of the circulating refrigerator, the part of the refrigeration pipe extending to the interior of the extrusion barrel is coiled, one end of the extrusion barrel is connected to a cutting box, a cutting mechanism is arranged on the inner side of the cutting box, and the cutting mechanism is used for slitting operations after plastic extrusion.

[0007] In a further technical solution, a connecting cylinder is provided on one side of the cutting box, and the connecting cylinder is sleeved on the outer side of the extrusion cylinder and connected by two sets of bolts.

[0008] In a further technical solution, the cutting mechanism includes a cutter, and two groups of limit seats are arranged on the inner side of the cutting box, and the inner sides of the two groups of limit seats are slidably connected to a support frame, and multiple groups of cutters are installed on the inner side of the support frame, and each group of cutters is placed above a corresponding row of extrusion holes, and two groups of fixing rods pass through the interior of the support frame, and the two groups of fixing rods are slidably connected to the support frame, and the two ends of the two groups of fixing rods are respectively welded to the inner walls of the two sides of the two groups of limit seats, and a limit slot is provided on one side of the support frame, and a rotating rod passes through the inner side of the limit slot, and the rotating rod is welded to the edge position of one side of the turntable, and a motor is installed on one side of the cutting box, and the output end of the motor extends to the inner side of the cutting box and is connected to the other side of the turntable.

[0009] In a further technical solution, a discharge port is provided at the bottom of the cutting box.

[0010] In a further technical solution, two groups of doors are hinged on one side of the box body, and four groups of bases are installed on the bottom of the box body.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model can conveniently cool down the extrusion barrel by setting up a circulating refrigerator and a refrigeration pipe. In the circulation system of the circulating refrigerator, the compressor inhales low-temperature and low-pressure refrigerant vapor from the evaporator, and compresses it into high-temperature and high-pressure superheated steam through adiabatic compression by the compressor, and then presses it into the condenser for constant pressure cooling, and releases heat to the cooling medium, and then cools it into a supercooled liquid refrigerant. The refrigerant circulates inside the refrigeration pipe, so that the extrusion barrel can be cooled down through the coiled refrigeration pipe. Further, through the setting, the extruded plastic can be cooled quickly, which effectively avoids the adhesion phenomenon during cutting and ensures the cutting quality.

[0013] 2. The utility model starts the motor, the motor can drive the turntable to rotate, the turntable can drive the rotating rod to rotate, while the rotating rod rotates, under the joint action of the set limit seat, fixed rod and limit groove, it can drive the support frame to reciprocate up and down, the support frame can drive multiple groups of cutters to reciprocate up and down, so that multiple rows of extruded plastics can be cut simultaneously by multiple groups of cutters, and then through the setting, the cutting uniformity of plastic particles is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a side view of the utility model;

[0016] Figure 3 It is a side sectional view of the extrusion barrel;

[0017] Figure 4 It is a side sectional view of the cutting box part;

[0018] Figure 5 for Figure 3 A magnified view of part A in FIG.

[0019] Figure 6 for Figure 4 Enlarged view of part B in .

[0020] In the figure: 1. box body, 2. box door, 3. base, 4. extruder body, 5. extrusion barrel, 6. extrusion hole, 7. mounting frame, 8. circulating refrigerator, 9. refrigeration pipe, 10. cutting box, 11. connecting barrel, 12. limit seat, 13. support frame, 14. cutting knife, 15. fixing rod, 16. limit groove, 17. rotating rod, 18. turntable, 19. motor, 20. discharge port. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0022] Example:

[0023] Reference Figure 1-Figure 6 A plastic particle extrusion and cutting device comprises a box body 1 and an extruder body 4. The extruder body 4 is installed on the top of the box body 1. One end of the extruder body 4 is connected to an extrusion barrel 5. A plurality of extrusion holes 6 are provided on the inner side of the extrusion barrel 5. A mounting frame 7 is installed on one side of the box body 1. A circulating refrigerator 8 is installed on the top of the mounting frame 7. One end of the circulating refrigerator 8 is connected to a refrigeration pipe 9. The other end of the refrigeration pipe 9 passes through the interior of the extrusion barrel 5 and is connected to the other end of the circulating refrigerator 8. The portion of the refrigeration pipe 9 extending to the interior of the extrusion barrel 5 is coiled. One end of the extrusion barrel 5 is connected to a cutting box 10. A cutting mechanism is provided on the inner side of the cutting box 10. The cutting mechanism is used for slitting operations after plastic extrusion.

[0024] Specifically, the box body 1 is provided to provide a stable support for the device and improve the storage function of the device. The extruder body 4 and the extrusion barrel 5 are provided to facilitate the extrusion operation of the plastic. The circulating refrigerator 8 and the refrigeration pipe 9 are provided to facilitate the cooling of the extrusion barrel 5. In the circulation system of the circulating refrigerator 8, the compressor inhales low-temperature and low-pressure refrigerant vapor from the evaporator, and compresses it into high-temperature and high-pressure superheated steam through the compressor adiabatically, and then presses it into the condenser for constant pressure cooling, and releases heat to the cooling medium, and then cools it into a supercooled liquid refrigerant. The refrigerant circulates inside the refrigeration pipe 9, so that the extrusion barrel 5 can be cooled through the coiled refrigeration pipe 9. The cutting box 10 and the cutting mechanism are provided to facilitate the slitting operation after the plastic is extruded. Furthermore, through the above structure, the extruded plastic can be cooled quickly, effectively avoiding the adhesion phenomenon during cutting, and ensuring the cutting quality. At the same time, multiple sets of cutters are used to simultaneously cut multiple rows of extruded plastics, which greatly improves the cutting uniformity of plastic particles.

[0025] A connecting tube 11 is provided on one side of the cutting box 10. The connecting tube 11 is sleeved on the outside of the extrusion tube 5 and connected by two sets of bolts. The connecting tube 11 and the bolts facilitate the installation and disassembly of the cutting box 10.

[0026] Among them, the cutting mechanism includes a cutter 14, two groups of limit seats 12 are arranged on the inner side of the cutting box 10, and the inner sides of the two groups of limit seats 12 are slidably connected with a support frame 13, and multiple groups of cutters 14 are installed on the inner side of the support frame 13, and each group of cutters 14 is respectively placed above a corresponding row of extrusion holes 6. Two groups of fixing rods 15 pass through the inside of the support frame 13, and the two groups of fixing rods 15 are slidably connected to the support frame 13. The two ends of the two groups of fixing rods 15 are respectively welded to the inner walls of the two sides of the two groups of limit seats 12. A limit groove 16 is provided on one side of the support frame 13, and a rotating rod 17 passes through the inner side of the limit groove 16. The rotating rod 17 is welded to the edge position of one side of the turntable 18. A motor 19 is installed on one side of the box 10, and the output end of the motor 19 extends to the inner side of the cutting box 10 and is connected to the other side of the turntable 18. By starting the motor 19, the motor 19 can drive the turntable 18 to rotate, and the turntable 18 can drive the rotating rod 17 to rotate. When the rotating rod 17 rotates, under the joint action of the set limit seat 12, the fixed rod 15 and the limit groove 16, the support frame 13 can be driven to reciprocate up and down. The support frame 13 can drive multiple groups of cutters 14 to reciprocate up and down, so that multiple rows of extruded plastics can be cut simultaneously by multiple groups of cutters 14, and then the cutting uniformity of the plastic particles is greatly improved through the setting.

[0027] Among them, a discharge port 20 is opened at the bottom of the cutting box 10, and the discharge port 20 can facilitate the output of the cut plastic particles. Two sets of box doors 2 are hinged on one side of the box body 1, and four sets of bases 3 are installed at the bottom of the box body 1. The box doors 2 can facilitate the opening and closing of the box body 1, and the bases 3 can provide stable support for the device.

[0028] Working principle: First, the plastic can be extruded through the extrusion barrel 5 through the extruder body 4. At the same time, by starting the circulating refrigerator 8, the refrigerant can circulate inside the refrigeration tube 9, and the extrusion barrel 5 can be cooled and cooled through the coiled refrigeration tube 9, so that the extruded plastic can be cooled quickly. Then, by starting the motor 19, the motor 19 can drive the turntable 18 to rotate, and the turntable 18 can drive the rotating rod 17 to rotate. While the rotating rod 17 rotates, the support frame 13 can be driven to reciprocate up and down under the joint action of the set limit seat 12, the fixed rod 15 and the limit groove 16. The support frame 13 can drive multiple groups of cutters 14 to reciprocate up and down, so that multiple rows of extruded plastic can be cut at the same time through multiple groups of cutters 14. Finally, the cut plastic particles can be output through the discharge port 20, thereby completing the entire operation process.

[0029] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plastic granule extrusion and cutting device, comprising a box body and an extruder body, characterized in that: The extruder body is installed on the top of the box body, one end of the extruder body is connected to an extrusion barrel, a plurality of extrusion holes are provided on the inner side of the extrusion barrel, a mounting frame is installed on one side of the box body, a circulating refrigerator is installed on the top of the mounting frame, one end of the circulating refrigerator is connected to a refrigeration pipe, the other end of the refrigeration pipe passes through the interior of the extrusion barrel and is connected to the other end of the circulating refrigerator, the portion of the refrigeration pipe extending to the interior of the extrusion barrel is coiled, one end of the extrusion barrel is connected to a cutting box, a cutting mechanism is provided on the inner side of the cutting box, and the cutting mechanism is used for slitting operations after plastic extrusion.

2. A plastic granule extrusion and cutting device according to claim 1, characterized in that: A connecting cylinder is arranged on one side of the cutting box, and the connecting cylinder is sleeved on the outer side of the extruding cylinder and connected by two groups of bolts.

3. A plastic granule extrusion and cutting device according to claim 2, characterized in that: The cutting mechanism includes a cutter, and two groups of limit seats are arranged on the inner side of the cutting box, and the inner sides of the two groups of limit seats are slidably connected to a support frame, and multiple groups of cutters are installed on the inner side of the support frame, and each group of cutters is placed above a corresponding row of extrusion holes, and two groups of fixing rods pass through the interior of the support frame, and the two groups of fixing rods are slidably connected to the support frame, and the two ends of the two groups of fixing rods are respectively welded to the inner walls of the two sides of the two groups of limit seats, and a limit groove is provided on one side of the support frame, and a rotating rod passes through the inner side of the limit groove, and the rotating rod is welded to the edge position of one side of the turntable, and a motor is installed on one side of the cutting box, and the output end of the motor extends to the inner side of the cutting box and is connected to the other side of the turntable.

4. A plastic granule extrusion and cutting device according to claim 3, characterized in that: A discharge port is provided at the bottom of the cutting box.

5. The plastic granule extrusion and cutting device according to claim 1, characterized in that: Two groups of box doors are hinged on one side of the box body, and four groups of bases are installed on the bottom of the box body.

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