Particle screw blending extrusion device

Abstract

The utility model discloses a screw rod blending extrusion device for particles, which belongs to the technical field of extrusion devices and comprises an extrusion cylinder and first extrusion grooves formed in the side wall of the extrusion cylinder in an annular array mode, a gear ring is rotatably sleeved on the extrusion cylinder, an adjusting plate is arranged in the extrusion cylinder, and the first extrusion grooves are arranged on the side wall of the extrusion cylinder. Scraping rods attached to the first extrusion grooves are fixed to the side wall of the gear ring in an annular array mode, a screw rod is fixed to the adjusting plate, a second extrusion groove corresponding to the first extrusion grooves is formed in the adjusting plate, the screw rod is slidably sleeved with a positioning plate used for fixing the adjusting plate, and an extrusion motor is fixed to the side wall of the extrusion cylinder. And a feeding hopper is arranged at the top end of the extrusion barrel, a base is arranged at the top end of the extrusion barrel, and a driving motor is fixed to the base. The particle screw blending extrusion device is suitable for extrusion processing of plastic particles with different sizes, and the stability after the angle of the adjusting plate is adjusted is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of extrusion devices, and particularly relates to a particle screw co - extrusion device. Background Technique

[0002] Plastic particles, commonly known as plastic pellets, are raw materials for storing, transporting, and processing plastic products in a semi - finished form. Plastic is a type of polymer material. From petroleum, ethylene, propylene, vinyl chloride, styrene, etc. can be obtained. Under certain conditions, the molecules of these substances can react with each other to form compounds with very large molecular weights. When producing plastic particles, they often need to be extruded and formed through an extrusion device. For example, large plastic raw materials are melted and then extruded into long strips, and then cooled and pelletized. However, sometimes when producing plastic particles, auxiliary materials need to be added. For example, when adding PET - based carbon black masterbatch, carbon black masterbatch needs to be added in PET compounding for coloring to produce black polyester fibers for subsequent production. In order to avoid the auxiliary materials from forming layers or aggregates in the feeding area when feeding the plastic raw materials and the auxiliary materials into the extrusion device together, the premixing method is usually adopted. That is, the plastic raw materials are first ground into powder, and then fed into the extrusion device together with the additives. After melting, dispersing, and homogenizing, they are extruded from the extrusion device, cooled, and then cut into plastic particles.

[0003] The patent with the application number 202322410318.4 discloses a plastic extrusion device for plastic particle production, including a base. The upper end surface of the base is fixedly connected with a first support plate. The left side surface of the first support plate is fixedly connected with a servo motor. The output end of the servo motor passes through the left side surface of the first support plate and is installed with a screw rod. The upper end surface of the base is fixedly connected with a second support plate. An extrusion tank is fixedly connected inside the second support plate. The output end of the servo motor is rotationally connected inside the extrusion tank and passes through the side wall of the extrusion tank. The right side surface of the extrusion tank is provided with a discharge hole. The upper end surface of the base is fixedly connected with a water tank. The upper end surface of the water tank is fixedly connected with a spray pipe.

[0004] The above - mentioned technical solution uses a cutting rod on the side wall of the extrusion barrel to cut the particles in the extrusion hole. Since the cutting rod occupies a large amount of space on the side wall of the extrusion barrel, only a small number of extrusion holes can be set, resulting in low extrusion efficiency of the extrusion device. At the same time, due to the constant size of the technical holes, it cannot meet the extrusion processing of plastic particles of different sizes, and the applicability is poor. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the purpose of the present utility model is to provide a particle screw blending and extrusion device, which aims to solve the technical problems in the prior art that due to the cutting rod occupying a large amount of space on the side wall of the extrusion barrel, only a small number of extrusion holes can be set, resulting in low extrusion efficiency of the extrusion device. At the same time, due to the constant size of the technical holes, it cannot meet the extrusion processing of plastic particles of different sizes and has poor applicability.

[0007] (2) Technical solution

[0008] To solve the above technical problems, the present utility model provides such a particle screw blending and extrusion device, which includes an extrusion barrel and a first extrusion groove arranged in an annular array on the side wall of the extrusion barrel. A toothed ring is rotatably sleeved on the extrusion barrel, and an adjusting plate is arranged inside the extrusion barrel. Scraping rods that fit with the first extrusion groove are fixedly arranged in an annular array on the side wall of the toothed ring. A screw rod is fixed on the adjusting plate, and a second extrusion groove corresponding to the first extrusion groove is opened on the adjusting plate. A positioning plate for fixing the adjusting plate is slidably sleeved on the screw rod.

[0009] When using the particle screw blending and extrusion device of this technical solution, by arranging a toothed ring on the extrusion barrel, multiple scraping rods on the side wall of the toothed ring move during rotation and cut off the plastic particles discharged from the first extrusion groove during the movement. By arranging the power mechanism outside the extrusion barrel, the extrusion space and extrusion efficiency of the extrusion barrel are improved. By rotatably arranging an adjusting plate in the extrusion barrel, the screw rod drives the adjusting plate to rotate, and during the rotation, the second extrusion groove on the adjusting plate intersects with the first extrusion groove, thereby adjusting the space of the first extrusion groove to be suitable for the extrusion processing of plastic particles of different sizes. By slidably sleeving a positioning plate on the screw rod, the positioning plate is axially positioned with the screw rod through a groove, and after tightening the knob, the positioning rod on the side wall of the positioning plate is inserted into the positioning hole, so that the screw rod and the adjusting plate are axially positioned, improving the stability after the angle of the adjusting plate is adjusted.

[0010] Preferably, an extrusion motor is fixed on the side wall of the extrusion barrel, and a feed hopper is arranged at the top of the extrusion barrel.

[0011] Furthermore, a base is arranged at the top of the extrusion barrel, and a driving motor is fixed on the base.

[0012] Furthermore, a gear is fixedly sleeved on the shaft of the driving motor, and the gear is meshed with the toothed ring.

[0013] Furthermore, a groove is opened on the outer wall of the screw rod, and the positioning plate is axially positioned with the screw rod through the groove.

[0014] Furthermore, a plurality of positioning holes are formed in the side wall of the extrusion barrel, and positioning rods that fit and insert into the positioning holes are fixedly arranged in a circular array on the side wall of the positioning plate.

[0015] Furthermore, a knob is sleeved on the screw thread of the screw rod, and the side wall of the knob is tightly connected to the positioning plate.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] In the present utility model, a toothed ring is arranged on the extrusion barrel. During the rotation of the toothed ring, a plurality of scraping rods on its side wall are driven to move, and the plastic particles discharged from the first extrusion groove are cut off during the movement. By arranging the power mechanism outside the extrusion barrel, the extrusion space and extrusion efficiency of the extrusion barrel are improved;

[0019] An adjusting plate is rotatably arranged in the extrusion barrel. The adjusting plate is driven to rotate by the screw rod, and during the rotation, the second extrusion groove on the adjusting plate intersects with the first extrusion groove, so as to adjust the space of the first extrusion groove, which is suitable for the extrusion processing of plastic particles of different sizes. By slidably sleeving a positioning plate on the screw rod, the positioning plate is axially positioned with the screw rod through the groove, and after tightening the knob, the positioning rod on the side wall of the positioning plate is inserted into the positioning hole, so that the screw rod and the adjusting plate are axially positioned, and the stability after the angle adjustment of the adjusting plate is improved. Description of the drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0021] Figure 1 It is a structural schematic diagram of the present utility model;

[0022] Figure 2 It is a split structural schematic diagram of the present utility model;

[0023] Figure 3 It is a cross-sectional structural schematic diagram of the extrusion barrel in the present utility model;

[0024] Figure 4 For the present utility model Figure 2 It is an enlarged schematic diagram of the structure at A in the present utility model.

[0025] The markings in the attached drawings are as follows: 1. Extrusion barrel; 2. Tooth ring; 3. Driving motor; 4. Feed hopper; 5. Extrusion motor; 6. Scraping rod; 7. Positioning plate; 8. Knob; 9. Gear; 10. Positioning hole; 11. Screw; 12. Positioning rod; 13. Groove; 14. Base; 15. First extrusion groove; 16. Second extrusion groove; 17. Adjusting plate. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0027] This detailed implementation manner is a particle screw blending and extrusion device, and its structural schematic diagram is as shown in Figure 1 and Figure 2 shown. This particle screw 11 blending and extrusion device includes an extrusion barrel 1 and a first extrusion groove 15 formed in an annular array on the side wall of the extrusion barrel 1. A tooth ring 2 is rotatably sleeved on the extrusion barrel 1, and an adjusting plate 17 is arranged inside the extrusion barrel 1. Scraping rods 6 that fit the first extrusion groove 15 are fixedly arranged in an annular array on the side wall of the tooth ring 2. A screw 11 is fixed on the adjusting plate 17, and a second extrusion groove 16 corresponding to the first extrusion groove 15 is formed in the adjusting plate 17. A positioning plate 7 for fixing the adjusting plate 17 is slidably sleeved on the screw 11.

[0028] An extrusion motor 5 is fixed on the side wall of the extrusion barrel 1, and a feed hopper 4 is arranged at the top of the extrusion barrel 1. A base 14 is arranged at the top of the extrusion barrel 1, and a driving motor 3 is fixed on the base 14. A gear 9 is fixedly sleeved on the shaft of the driving motor 3, and the gear 9 is meshed with the tooth ring 2. During the rotation of the driving motor 3, the tooth ring 2 is driven to rotate through the gear 9. During the rotation of the tooth ring 2, a plurality of scraping rods 6 on its side wall move, and the plastic particles discharged from the first extrusion groove 15 are cut off during the movement.

[0029] A groove 13 is formed on the outer wall of the screw 11. The positioning plate 7 is axially positioned with the screw 11 through the groove 13. A plurality of positioning holes 10 are formed in the side wall of the extrusion barrel 1. Positioning rods 12 that are anastomosed and inserted into the positioning holes 10 are fixedly arranged in an annular array on the side wall of the positioning plate 7. A knob 8 is threadedly sleeved on the screw 11, and the side wall of the knob 8 is closely connected to the positioning plate 7. The positioning plate 7 is axially positioned with the screw 11 through the groove 13. After tightening the knob 8, the positioning rods 12 on the side wall of the positioning plate 7 are inserted into the positioning holes 10, so that the screw 11 and the adjusting plate 17 are axially positioned, improving the stability of the adjusting plate 17 after angle adjustment.

[0030] The schematic diagram of the split structure of the particle screw 11 co - blending extrusion device is as follows Figure 2 shown, and the schematic cross - sectional structure diagram of the extrusion barrel 1 is as follows Figure 3 shown, and its Figure 2 magnified schematic diagram of the structure at position A in it is as follows Figure 4 shown.

[0031] Working principle: When using the particle screw 11 co - blending extrusion device of this technical solution, the melted plastic is put into the feeding hopper 4. There is a heating component in the extrusion barrel 1 to prevent the plastic from cooling and solidifying. After the extrusion motor 5 is started, the plastic is pushed to move by the auger in the extrusion barrel 1. When the driving motor 3 is started, the gear 9 drives the toothed ring 2 to rotate. During the rotation of the toothed ring 2, a plurality of scraping rods 6 on its side wall move, and cut off the plastic particles discharged from the first extrusion groove 15 during the movement. By setting the power mechanism outside the extrusion barrel 1, the extrusion space and extrusion efficiency of the extrusion barrel 1 are improved; when adjusting the extrusion space, after tightening the knob 8, hold the screw 11 by hand and drive the adjusting plate 17 to rotate. During the rotation, the second extrusion groove 16 on the adjusting plate 17 intersects with the first extrusion groove 15, so as to adjust the space of the first extrusion groove 15, which is suitable for the extrusion processing of plastic particles of different sizes. The positioning plate 7 is axially positioned with the screw 11 through the groove 13. After tightening the knob 8, the positioning rod 12 on the side wall of the positioning plate 7 is inserted into the positioning hole 10, so that the screw 11 and the adjusting plate 17 are axially positioned, improving the stability of the adjusting plate 17 after angle adjustment.

[0032] All technical features in this embodiment can be freely combined according to actual needs.

[0033] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A particle screw co - extrusion device, the particle screw co - extrusion device comprising an extrusion barrel (1) and first extrusion grooves (15) annularly arrayed and opened on the side wall of the extrusion barrel (1), characterized in that, A toothed ring (2) is rotatably sleeved on the extrusion barrel (1), and an adjusting plate (17) is arranged inside the extrusion barrel (1). Scraper rods (6) that fit with the first extrusion grooves (15) are fixedly arranged on the side wall of the toothed ring (2) in an annular array. A screw rod (11) is fixed on the adjusting plate (17), and a second extrusion groove (16) corresponding to the first extrusion groove (15) is formed on the adjusting plate (17). A positioning plate (7) for fixing the adjusting plate (17) is slidably sleeved on the screw rod (11).

2. The particle screw co - extrusion device according to claim 1, characterized in that, An extrusion motor (5) is fixed on the side wall of the extrusion barrel (1), and a feed hopper (4) is arranged at the top of the extrusion barrel (1).

3. The particle screw co - extrusion device according to claim 2, characterized in that, A base (14) is arranged at the top of the extrusion barrel (1), and a driving motor (3) is fixed on the base (14).

4. The particle screw co - extrusion device according to claim 3, wherein, A gear (9) is fixedly sleeved on the shaft of the driving motor (3), and the gear (9) is meshed and connected with the toothed ring (2).

5. A particle screw co - extrusion device according to claim 1, characterized in that, A groove (13) is formed on the outer wall of the screw rod (11), and the positioning plate (7) is axially positioned with the screw rod (11) through the groove (13).

6. The particle screw co - extrusion device according to claim 1, characterized in that, A plurality of positioning holes (10) are formed on the side wall of the extrusion barrel (1), and positioning rods (12) that are anastomotically inserted into the positioning holes (10) are fixedly arranged on the side wall of the positioning plate (7) in an annular array.

7. The particle screw co - extrusion device according to claim 6, characterized in that, A knob (8) is threadedly sleeved on the screw rod (11), and the side wall of the knob (8) is tightly connected with the positioning plate (7).

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