Plastic particle preparation process

Abstract

The invention relates to the field of plastic processing, in particular to a plastic particle preparation process which comprises a material mixing barrel and a spiral frame rotationally connected to the material mixing barrel, a plurality of discharging holes are formed in the lower portion of the material mixing barrel, a plurality of blocking frames are rotationally connected to the outer wall of the material mixing barrel, and the blocking frames correspond to the discharging holes one to one. A step frame is fixedly connected to each blocking frame, a forming plate is fixedly connected to each step frame, a rotary frame is rotationally connected to the edge of each forming plate, a plurality of cutting knives are fixedly connected to each rotary frame, and a collecting barrel is fixedly connected to the lower portion of the mixing barrel. The process comprises the following steps: step 1, adding raw materials into a mixing barrel for mixing; secondly, a forming plate corresponding to the plastic particles is selected to coincide with a discharging hole; thirdly, the raw materials are pushed to be blanked, formed and cut, and forming machining of the plastic particles is completed; and 4, the formed plastic particles are collected and cooled, and preparation of the plastic particles is completed. And plastic particles with different granularities can be formed by selecting different blanking ways.

Description

Technical Field

[0001] The invention relates to the field of plastic processing, and more particularly to a process for preparing plastic particles. Background Art

[0002] With the development of science and technology and the progress of society, the use of plastic particles is increasing, such as daily necessities, clothes, cars, and medical fields. Most plastic products are obtained by processing plastic particles. When processing plastic particles, the materials need to be melted and then produced through a granulation device. However, when producing plastic particles now, the raw materials can only be put into specific granulation equipment to produce plastic particles with a fixed particle size, and different feeding methods cannot be selected to form plastic particles of different particle sizes. Summary of the invention

[0003] In order to improve the deficiencies of the prior art, the present invention provides a plastic particle preparation process, which can select different material feeding paths to form plastic particles of different particle sizes.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A plastic particle preparation device comprises a mixing barrel and a spiral frame rotatably connected to the mixing barrel, a plurality of discharge holes are arranged at the lower part of the mixing barrel, a plurality of retaining frames are rotatably connected to the outer wall of the mixing barrel, the plurality of retaining frames correspond to the plurality of discharge holes one by one, a step frame is fixedly connected to each retaining frame, a forming plate is fixedly connected to each step frame, a rotating frame is rotatably connected to the edge of each forming plate, a plurality of cutting knives are fixedly connected to each rotating frame, and a collecting barrel is fixedly connected to the lower part of the mixing barrel.

[0006] Furthermore, the spiral frame is provided with a plurality of spiral blades with opposite spiral directions.

[0007] Furthermore, a plurality of pressurizing tubes are fixedly connected to the mixing barrel, each pressurizing tube is threadedly connected to an upper cover, and each upper cover is rotatably connected to a pressurizing frame.

[0008] Furthermore, the multiple pressure racks correspond one-to-one to the multiple material discharge holes respectively.

[0009] Furthermore, two gears are fixedly connected to each of the baffles, and sleeves fixedly connected to the mixing barrel are arranged on both sides of each baffle, and each sleeve is rotatably connected to a side wheel that meshes and drives the corresponding gear to rotate.

[0010] Further, according to the above-mentioned process for preparing plastic particles by a plastic particle preparation device, the process includes the following steps:

[0011] Step 1: Add the raw materials into the mixing barrel and mix them;

[0012] Step 2: Select the molding plate corresponding to the plastic particles to coincide with the feeding hole;

[0013] Step 3: Push the raw materials to form and cut them to complete the forming process of plastic particles;

[0014] Step 4: Collect the formed plastic particles and cool them to complete the preparation of the plastic particles.

[0015] The beneficial effects of the plastic particle preparation process of the present invention are: different feeding paths can be selected to form plastic particles of different particle sizes; the plastic particles can be collected and cooled to achieve shaping of the plastic particles; and the feeding and forming of the materials can be ensured by pressurizing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the structure of a plastic particle preparation device;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure in another direction of the structure shown;

[0019] Figure 3 It is a schematic diagram of the structure of the mixed material;

[0020] Figure 4 It is a structural diagram of pressurized materials;

[0021] Figure 5 It is a structural diagram for selecting the material unloading path;

[0022] Figure 6 for Figure 5 A schematic diagram of the structure in another direction of the structure shown;

[0023] Figure 7 A schematic diagram of the structure for promoting material extrusion;

[0024] Figure 8 A schematic diagram of the structure to promote material cutting;

[0025] Fig. 9 Schematic diagram of the structure for cooling plastic particles.

[0026] In the figure: mixing barrel 11; pressurizing pipe 12; spiral frame 13; feed hole 14; upper cover 21; pressurizing frame 22; retaining frame 31; step frame 32; bracket 33; gear 34; sleeve frame 35; side wheel 36; forming plate 41; pushing frame 42; rotating frame 43; cutting knife 44; gear ring 45 driving wheel 46; collecting barrel 51. DETAILED DESCRIPTION

[0027] refer to Figure 1 , 2 and 7, detailed description of the example of preparing plastic particles:

[0028] A plastic granule preparation device comprises a mixing barrel 11 and a spiral frame 13 rotatably connected to the mixing barrel 11, the spiral frame 13 is fixedly connected to the output shaft of a reduction motor I, the reduction motor I is fixedly connected to the mixing barrel 11, the reduction motor I is started, the output shaft of the reduction motor I drives the spiral frame 13 to rotate, the spiral frame 13 rotates and pushes the material to move, thereby realizing rapid mixing of the material, a plurality of discharge holes 14 are processed on the lower part of the mixing barrel 11, a plurality of baffles 31 are rotatably connected to the outer wall of the mixing barrel 11, the plurality of baffles 31 correspond to the plurality of discharge holes 14 one by one, and a step frame 32 is fixedly connected to each baffle 31, so that the baffle 31 can be rotated to achieve the shielding of the baffle 31 on the discharge hole 14 Or they are connected for unloading, each step frame 32 is fixedly connected with a forming plate 41, and the edge of each forming plate 41 is rotatably connected with a revolving frame 43, and each revolving frame 43 is fixedly connected with a plurality of cutting knives 44. When the material is pushed into the step frame 32, the plastic is formed when passing through the revolving frame 43, and then the revolving frame 43 is driven to rotate to drive the plurality of cutting knives 44 to rotate and cut the formed plastic into particles, thereby realizing the preparation of plastic particles. A collecting barrel 51 is fixedly connected with the lower part of the mixing barrel 11, and the cut plastic particles fall into the collecting barrel 51 at the lower part for cooling, thereby realizing the preparation of plastic particles. The collecting barrel 51 can store coolant, so that the cooling and shaping of the plastic particles can be realized by the coolant.

[0029] refer to Figure 3 , detailed description of the embodiment of promoting the thorough mixing of materials:

[0030] The spiral frame 13 is provided with a plurality of spiral blades with opposite spiral directions, so that when the spiral frame 13 rotates, the material can be pushed to move in the axial direction, so that the material can be pushed to collide with each other by the plurality of spiral blades with opposite spiral directions arranged alternately, thereby accelerating the mixing speed of the material.

[0031] refer to Figure 4 , an embodiment of pushing materials to be discharged from a plurality of discharge holes 14 is described in detail:

[0032] The mixing barrel 11 is fixedly connected with a plurality of pressurized tubes 12, each pressurized tube 12 is threadedly connected with an upper cover 21, each upper cover 21 is rotatably connected with a pressurized frame 22, each pressurized frame 22 is fixedly connected to the output shaft of the corresponding reduction motor II, each reduction motor II is fixedly connected to the corresponding upper cover 21, the reduction motor II is started, and the reduction motor II drives the pressurized frame 22 to rotate, and the pressurized frame 22 is provided with a spiral blade, which can realize the pushing of the material under the rotation, and the pressurized frame 22 can also be replaced with a plate slidably connected in the pressurized tube 12, and the plate is fixedly connected to the cylinder rod of the cylinder provided on the upper cover 21, and the cylinder rod of the cylinder drives the plate to slide back and forth to realize the pushing and pressurizing of the material, so as to ensure the outflow and forming of the material from the corresponding discharge hole 14. The plurality of pressurized frames 22 correspond to the plurality of discharge holes 14 one by one.

[0033] refer to Figure 5 and 6 , the embodiment of driving the baffle frame 31 to rotate is described in detail:

[0034] Two gears 34 are fixedly connected to each of the baffle frames 31, and a sleeve frame 35 fixedly connected to the mixing barrel 11 is provided on both sides of each baffle frame 31. A side wheel 36 is rotatably connected to each sleeve frame 35 and meshes to drive the corresponding gear 34 to rotate. Each side wheel 36 is fixedly connected to the output shaft of the reduction motor III. Each reduction motor III is fixedly connected to its corresponding sleeve frame 35. When the reduction motor III is started, the reduction motor III drives the corresponding side wheel 36 to rotate, and the side wheel 36 meshes to drive the corresponding gear 34 to rotate. The rotation of the gear 34 drives the baffle frame 31 to rotate, thereby realizing the flow of materials from one or more of the multiple forming plates 41 to form plastic particles.

[0035] refer to Figure 7 and 8 , an embodiment of pushing the material out of the forming plate 41 is described in detail:

[0036] Each of the forming plates 41 is rotatably connected with a pusher rack 42, which is fixedly connected to the output shaft of the reduction motor IV. Each reduction motor IV is fixedly connected to its corresponding forming plate 41. When the reduction motor IV is started, the pusher rack 42 is driven to rotate. The pusher rack 42 is provided with spiral blades, which can push the material from the corresponding forming plate 41 for extrusion and forming when rotating.

[0037] refer to Figure 7 , detailed description of the embodiment of promoting material feeding and forming:

[0038] Each of the pusher racks 42 is in a stepped shape that fits the inner wall of the step frame 32. Thus, the material in the step frame 32 can be fully pushed to be extruded and formed.

[0039] refer to Figure 8 , detailed description of the embodiment of cutting materials to form plastic particles:

[0040] A gear ring 45 is fixedly connected to each of the forming plates 41, a bracket 33 is fixedly connected to each of the step frames 32, a driving wheel 46 is rotatably connected to each of the brackets 33 for driving the corresponding gear ring 45 to rotate, each driving wheel 46 is fixedly connected to the output shaft of the corresponding reduction motor V, the reduction motor V is fixedly connected to the corresponding bracket 33, the reduction motor V is started, the reduction motor V drives the driving wheel 46 to rotate, thereby engaging and driving the gear ring 45 to rotate, thereby driving the rotating frame 43 to rotate, and then driving the cutting knife 44 to rotate, thereby realizing the cutting of the extruded plastic and completing the processing of the plastic particles.

[0041] refer to Figure 1 and 2 , detailed description of the embodiment of selecting and preparing plastic particles of different particle sizes:

[0042] Each of the molding plates 41 is provided with a plurality of molding holes, and the diameters of the molding holes on the plurality of molding plates 41 are different, so that a material can be selected to be extruded from one of the plurality of molding plates 41 , and plastic particles with different particle sizes can be selectively prepared for molding.

[0043] refer to Figure 1 , 2 and 9, detailed description of the example of preparing plastic particles:

[0044] According to the above-mentioned process for preparing plastic particles by a plastic particle preparation device, the process comprises the following steps:

[0045] Step 1: Add the raw materials into the mixing barrel 11 for mixing;

[0046] Step 2: Select the molding plate 41 corresponding to the plastic particles to overlap with the discharge hole 14;

[0047] Step 3: Push the raw materials to form and cut them to complete the forming process of plastic particles;

[0048] Step 4: Collect the formed plastic particles and cool them to complete the preparation of the plastic particles.

Claims

1. A plastic granule preparation device, characterized in that: The invention comprises a mixing barrel (11) and a spiral frame (13) rotatably connected to the mixing barrel (11); a plurality of material discharge holes (14) are arranged at the lower part of the mixing barrel (11); a plurality of retaining frames (31) are rotatably connected to the outer wall of the mixing barrel (11); the plurality of retaining frames (31) correspond to the plurality of material discharge holes (14) in a one-to-one manner; a step frame (32) is fixedly connected to each retaining frame (31); a forming plate (41) is fixedly connected to each step frame (32); a rotating frame (43) is rotatably connected to the edge of each forming plate (41); a plurality of cutting knives (44) are fixedly connected to each rotating frame (43); and a collecting barrel (51) is fixedly connected to the lower part of the mixing barrel (11).

2. A plastic granule preparation device according to claim 1, characterized in that: The spiral frame (13) is provided with a plurality of spiral blades with opposite spiral directions.

3. A plastic granule preparation device according to claim 1, characterized in that: A plurality of pressurizing tubes (12) are fixedly connected to the mixing barrel (11), each pressurizing tube (12) is threadedly connected to an upper cover (21), and each upper cover (21) is rotatably connected to a pressurizing frame (22).

4. A plastic granule preparation device according to claim 3, characterized in that: The multiple pressurizing frames (22) correspond one-to-one to the multiple material discharge holes (14), respectively.

5. A plastic granule preparation device according to claim 1, characterized in that: Two gears (34) are fixedly connected to each of the baffles (31), and sleeves (35) fixedly connected to the mixing barrel (11) are arranged on both sides of each baffle (31), and each sleeve (35) is rotatably connected to a side wheel (36) that meshes and drives the corresponding gear (34) to rotate.

6. A plastic granule preparation device according to claim 1, characterized in that: Each of the forming plates (41) is rotatably connected to a material pushing frame (42).

7. A plastic granule preparation device according to claim 1, characterized in that: Each of the pusher racks (42) is in a stepped shape that fits in with the inner wall of the step frame (32).

8. A plastic granule preparation device according to claim 1, characterized in that: A gear ring (45) is fixedly connected to each of the forming plates (41), a bracket (33) is fixedly connected to each of the step frames (32), and a driving wheel (46) is rotatably connected to each of the brackets (33) for driving the corresponding gear ring (45) to rotate.

9. A plastic granule preparation device according to claim 1, characterized in that: Each of the forming plates (41) is provided with a plurality of forming holes, and the diameters of the forming holes on the plurality of forming plates (41) are different.

10. A process for preparing plastic particles using a plastic particle preparation device according to any one of claims 1 to 9, characterized in that: The process includes the following steps: Step 1: Add the raw materials into a mixing barrel (11) and mix them; Step 2: Select the molding plate (41) corresponding to the plastic particles to overlap with the discharge hole (14); Step 3: Push the raw materials to form and cut them to complete the forming process of plastic particles; Step 4: Collect the formed plastic particles and cool them to complete the preparation of the plastic particles.

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