Granulating device for plastic extrusion granulator

Abstract

The utility model relates to the technical field of plastic production and processing, in particular to a pelletizing device for a plastic extrusion pelletizer. In order to solve the problems that in the cutting process of existing pelletizing equipment, extruded plastic is likely to be bonded to a cutting edge of the pelletizing equipment, rotation of the cutting edge is blocked, and cutting of the extruded plastic is affected, the following technical scheme is provided that the pelletizing equipment comprises a pelletizing machine body, and a sleeve head is installed at the extrusion end of the pelletizing machine body; a first cylinder body for protecting an extruded material is arranged at the extrusion end of the granulator body, a second cylinder body is mounted at the top of a bottom plate of the granulator body, and a granulating assembly for conveniently crushing and granulating a plastic material is arranged at the top end of the second cylinder body and the bottom end of the first cylinder body. According to the plastic particle cutting device, cooling of plastic materials is achieved, the purpose of cutting the cooled plastic materials is achieved, manufacturing of plastic particles is completed, and meanwhile it is avoided that the plastic particles are bonded, and the pelletizing progress is affected.

Description

Technical Field

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

[0002] In the process of making plastic granules, it is usually necessary to introduce the raw materials into the granulating equipment, melt the plastic raw materials through the granulating equipment, and discharge the melted materials from the granulating equipment under the extrusion component of the granulating equipment. During the discharge process, the long strips of plastic are cut to complete the production of plastic granules.

[0003] However, the existing pelletizing equipment easily causes the extruded plastic to adhere to its blade during the cutting process, which hinders the rotation of the blade and affects the cutting of the extruded plastic. In view of this, we propose a pelletizing device for a plastic extrusion pelletizing machine. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and proposes a pelletizing device for a plastic extrusion pelletizing machine.

[0005] The technical solution of the utility model is as follows: a pelletizing device for a plastic extrusion granulator, comprising a granulator body, a sleeve is installed on the extrusion end of the granulator body, a first cylinder for protecting the extruded material is arranged at the extrusion end of the granulator body, a second cylinder is installed at the top of the bottom plate of the granulator body, a pelletizing assembly for crushing and pelletizing the plastic material is arranged at the top of the second cylinder and the bottom of the first cylinder, a driving assembly for driving the pelletizing assembly to rotate is installed on the top of the bottom plate of the granulator body, a support plate is welded on one side wall of the first cylinder, a heat dissipation collar for heat dissipation is sleeved on the outer surface wall of the first cylinder, and a blowing assembly for cooling the plastic material is installed at the top of the support plate.

[0006] Preferably, a storage box is placed on the top of the bottom plate of the granulator body, a movable opening is opened on one side wall of the second cylinder, and the take-out surface of the storage box is located in the movable opening.

[0007] Preferably, a plurality of the heat dissipation rings are each provided with a guide cavity, an air inlet is provided on the wall of the first cylinder, and the opening of the guide cavity corresponds to the position of the air inlet.

[0008] Preferably, the pelletizing assembly comprises a first gear, a cutting blade is mounted on the inner surface wall of the first gear, and a cross is arranged at the bottom end of the center rod of the cutting blade.

[0009] Preferably, limit rings are symmetrically welded on the top wall and the bottom wall of the first gear, and limit rotation grooves are provided on the bottom wall of the first cylinder and the top wall of the second cylinder, and the two limit rings are respectively arranged in the limit rotation grooves corresponding in position.

[0010] Preferably, the driving assembly comprises a motor, an output end of the motor is connected to a rotating shaft, a second gear is sleeved on an outer ring surface of the rotating shaft, and the second gear is meshed with the first gear.

[0011] Preferably, the blowing assembly comprises a hair dryer, an output end of the hair dryer is connected to a guide pipe, and an air outlet end of the guide pipe is arranged in the guide cavity.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] The utility model extrude the plastic material through the granulator body, so that the plastic material enters the first cylinder through the discharge hole on the sleeve head, and the heat dissipation ring is used to dissipate the heat inside the first cylinder, and the hair dryer is started to cooperate with the guide pipe to blow air into the heat dissipation ring, so that the blown air passes through the heat dissipation ring and enters the first cylinder to cool the plastic material. In the process of blowing air, the purpose of cooling the first cylinder is achieved, which is beneficial to improving the heat dissipation effect. Then, the motor is started to drive the rotating shaft to rotate the second gear, so that the first gear drives the cutting blade to rotate under the rotation of the second gear, so as to realize the cutting of the plastic material and complete the production of plastic particles. In addition, under the action of the cross and the cooling of the blowing air, it is avoided that the plastic material is adhered to the cutting blade during the cutting process, which affects the cutting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a schematic diagram of a front view cross-sectional structure of a pelletizing device for a plastic extrusion pelletizing machine;

[0015] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the middle sleeve;

[0016] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0017] Figure numerals: 1. granulator body; 2. sleeve; 3. first cylinder; 4. second cylinder; 5. pelletizing assembly; 51. first gear; 52. cutting blade; 53. cross; 54. limiting ring; 6. driving assembly; 61. motor; 62. rotating shaft; 63. second gear; 7. supporting plate; 8. heat dissipation sleeve; 9. blowing assembly; 91. hair dryer; 92. guide tube; 10. storage box. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Example

[0020] like Figure 1-3 As shown, the utility model proposes a pelletizing device for a plastic extrusion granulator, comprising a granulator body 1, a sleeve 2 fixedly mounted on the extrusion end of the granulator body 1, so as to facilitate the discharge of the plastic material according to the discharge port on the sleeve 2; a first cylinder 3 fixedly mounted at the extrusion end of the granulator body 1, and the extrusion end is covered inside the first cylinder 3, so as to facilitate the protection of the extruded plastic material and avoid scalding the staff; a plurality of heat dissipation rings 8 are fixedly sleeved on the outer surface wall of the first cylinder 3, so as to dissipate heat for the first cylinder 3, so as to assist the cooling of the extruded plastic material; a second cylinder 4 is fixedly mounted on the top of the bottom plate of the granulator body 1, and a storage box 10 is placed on the top of the bottom plate of the granulator body 1, and a side wall of the storage box 10 passes through the movable port on the side wall of the second cylinder 4, and is arranged in the second cylinder 4, so as to facilitate the subsequent collection of the plastic material, and under the action of the second cylinder 4, it is conducive to the protection of the plastic material in the subsequent cutting state, so as to avoid splashing around and causing waste of resources.

[0021] Furthermore, a pelletizing assembly 5 for crushing and pelletizing the plastic material is arranged at the top of the second cylinder 4 and the bottom of the first cylinder 3. The pelletizing assembly 5 includes a first gear 51. The motor 61 is arranged at the bottom of the first cylinder 3 and is located at the top of the second cylinder 4. Two limiting rings 54 are symmetrically welded on the top and bottom walls of the first gear 51 and are arranged in limiting grooves opened at the bottom of the first cylinder 3 and the top of the second cylinder 4. The limiting grooves cooperate with the limiting rings 54 to limit the first gear 51 at the opposite ends of the first cylinder 3 and the second cylinder 4, so as to prevent the first gear 51 from detaching from the first cylinder 3 and the second cylinder 4, resulting in a gap between the first cylinder 3 and the second cylinder 4, so that the plastic material can be crushed and pelletized. Particle leakage; the cutting blade 52 is fixedly installed on the inner surface wall of the first gear 51, and the cutting blade 52 is driven to rotate by the first gear 51 to cut the plastic material in the extruded state, so as to achieve the purpose of pelletizing the plastic material, and cooperate with the storage box 10 to complete the collection of plastic particles; the end of the cross 53 is fixedly connected to the inner surface wall of the second cylinder 4, and a first bearing is arranged on the top wall, and the outer surface wall of the central axis part of the cutting blade 52 is connected to the inner ring surface of the first bearing to prevent the cutting blade 52 from driving the cross 53 to rotate during the rotation process. At the same time, due to the cross-shaped setting of the cross 53, it can prevent the plastic material from sticking to the cutting blade 52 during the cutting process, which affects the pelletizing work.

[0022] Furthermore, a driving assembly 6 for driving the pelletizing assembly 5 to rotate is installed on the top of the bottom plate of the granulator body 1. The driving assembly 6 includes a motor 61, which is fixedly installed on the top of the bottom plate of the granulator body 1. The bottom end of the rotating shaft 62 is connected to the output end of the motor 61, so that the rotating shaft 62 is driven to rotate by the motor 61. The second gear 63 is fixedly sleeved on the outer ring surface of the rotating shaft 62 and meshes with the first gear 51, so that the motor 61 drives the rotating shaft 62 to drive the second gear 63 to rotate while cooperating with the first gear 51 to drive the cutting blade 52 to rotate, thereby providing power for pelletizing of the pelletizing assembly 5; the support plate 7 is arranged between the first cylinder 3 and the granulator body 1, and the two side walls of the support plate 7 are fixedly connected to the opposite surface walls of the two, and a second bearing is arranged on the bottom wall of the support plate 7. Part of the outer surface wall of the rotating shaft 62 is connected to the inner ring surface of the second bearing, and the rotating shaft 62 is assisted to rotate by the second bearing.

[0023] Furthermore, a blowing assembly 9 for cooling the plastic material is installed at the top of the support plate 7. The blowing assembly 9 includes a hair dryer 91, which is fixedly mounted on the top wall of the support plate 7 and supported by the support plate 7; the bottom end of the guide tube 92 is fixedly connected to the top of the support plate 7, and the top end of the guide tube 92 passes through multiple heat dissipation rings 8 and is connected to a guide cavity opened inside one of the heat dissipation rings 8. Multiple air outlet ends of the guide tube 92 are respectively arranged in guide cavities corresponding to the positions. The hair dryer 91 blows air into the guide tube 92 to cool the first cylinder 3, which is beneficial to improving the heat dissipation effect of the heat dissipation ring 8 on the first cylinder 3; the openings of the multiple guide cavities correspond to the positions of the air inlets opened on the outer wall of the first cylinder 3, so that the wind source entering the heat dissipation ring 8 enters the first cylinder 3, thereby achieving the purpose of cooling the plastic material and reducing the viscosity of the plastic material after extrusion to prevent adhesion.

[0024] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A pelletizing device for a plastic extrusion granulator, comprising a granulator body (1), characterized in that: A sleeve (2) is installed on the extrusion end of the granulator body (1); a first cylinder (3) for protecting the extruded material is arranged at the extrusion end of the granulator body (1); a second cylinder (4) is installed at the top of the bottom plate of the granulator body (1); a pelletizing assembly (5) for crushing and pelletizing the plastic material is arranged at the top of the second cylinder (4) and the bottom of the first cylinder (3); a driving assembly (6) for driving the pelletizing assembly (5) to rotate is installed on the top of the bottom plate of the granulator body (1); a support plate (7) is welded on one side wall of the first cylinder (3); a heat dissipation ring (8) for dissipating heat is sleeved on the outer surface wall of the first cylinder (3); and a blowing assembly (9) for cooling the plastic material is installed at the top of the support plate (7).

2. A pelletizing device for a plastic extrusion granulator according to claim 1, characterized in that: A storage box (10) is placed on the top of the bottom plate of the granulator body (1), a movable opening is opened on one side wall of the second cylinder (4), and a take-out surface of the storage box (10) is located in the movable opening.

3. A pelletizing device for a plastic extrusion granulator according to claim 1, characterized in that: A guide cavity is provided in each of the plurality of heat dissipation rings (8), an air inlet is provided on the wall of the first cylinder (3), and the opening of the guide cavity corresponds to the position of the air inlet.

4. A pelletizing device for a plastic extrusion granulator according to claim 1, characterized in that: The pelletizing assembly (5) comprises a first gear (51), a cutting blade (52) is mounted on the inner surface wall of the first gear (51), and a cross (53) is arranged at the bottom end of the center rod of the cutting blade (52).

5. A pelletizing device for a plastic extrusion granulator according to claim 4, characterized in that: Limiting rings (54) are symmetrically welded on the top wall and the bottom wall of the first gear (51), and limiting rotation grooves are provided on the bottom wall of the first cylinder (3) and the top wall of the second cylinder (4), and the two limiting rings (54) are respectively arranged in the limiting rotation grooves corresponding to the positions.

6. A pelletizing device for a plastic extrusion granulator according to claim 5, characterized in that: The driving assembly (6) comprises a motor (61), the output end of the motor (61) is connected to a rotating shaft (62), a second gear (63) is sleeved on the outer ring surface of the rotating shaft (62), and the second gear (63) is meshed with the first gear (51).

7. A pelletizing device for a plastic extrusion granulator according to claim 1, characterized in that: The blowing assembly (9) comprises a blower (91), the output end of the blower (91) is connected to a guide tube (92), and the air outlet end of the guide tube (92) is arranged in the guide cavity.

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