Granulator capable of adjusting particle size

Abstract

The utility model discloses a grain cutting machine capable of adjusting grain size, which belongs to the technical field of grain cutting machines and comprises a material conveying barrel and a grain cutting component positioned on the material conveying barrel, a first motor is horizontally mounted on one side wall of the material conveying barrel, an output shaft of the first motor is coaxially connected with an inner edge shaft, and the inner edge shaft is coaxially connected with an outer edge shaft. A spiral conveying blade is integrally welded to the inner edge shaft, a mounting opening is formed in the side, back on to the first motor, of the conveying barrel, a side plate is fixedly welded in the mounting opening, and a U-shaped mounting frame is welded to the side, back on to the first motor, of the conveying barrel; the pelletizing assembly comprises a second motor horizontally installed on the side, opposite to the conveying barrel, of the installation frame, an outer edge shaft coaxially connected with an output shaft of the second motor and a pelletizing cutter welded to the outer edge shaft. According to the granulator capable of adjusting the particle size, the relative positions of the two adjusting plates and the side plates are changed through operation of the two air cylinders, the size of a material extruding hole can be adjusted, the cross sectional area of cut plastic can be changed, and therefore the particle size can be changed more accurately.

Description

Technical Field

[0001] The utility model belongs to the technical field of pelletizers, in particular to a pelletizer capable of adjusting particle size. Background Art

[0002] At present, when granulating plastics, a pelletizer is needed to extrude the plastics into long strips and perform pelletizing.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: the existing pelletizer, such as the patent with application number CN202122934455.9 - a pelletizer with adjustable pellet size for PBT production, can start the electric push rod to push the sliding plate by adjusting the setting of the component, so that the adjusting gear set on the outside of the sliding sleeve is respectively fitted with the driving gear set on the right end of the pelletizing motor, and then the rotating shaft can be driven to rotate at different speeds under the limit of the limit block, so that the cutter can cut the pellets at different intervals, thereby adjusting the size of the pellets; however, this type of patent simply changes the speed of the cutter to adjust the length of the cut plastic pellets, but the cross-section of the plastic pellets is not changed, so the change in the size of the cut plastic pellets is not accurate enough.

[0004] Therefore, we propose a pelletizer with adjustable particle size to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a pelletizer with adjustable particle size. By operating two cylinders to change the relative positions of two adjustment plates and side plates, the size of the extrusion hole can be adjusted, and the cross-sectional area of ​​the cut plastic can be changed, thereby more accurately changing the size of the particles, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A pelletizer with adjustable particle size, comprising a feed barrel and a pelletizer assembly located on the feed barrel, wherein a first motor is horizontally mounted on a side wall of the feed barrel, wherein an output shaft of the first motor is coaxially connected to an inner shaft, and a spiral conveying blade is integrally welded to the inner shaft, wherein a mounting opening is opened on a side of the feed barrel facing away from the first motor, and a side plate is fixedly welded in the mounting opening;

[0008] A U-shaped mounting frame is welded on the side of the feeding barrel facing away from the first motor, and the pelletizing assembly includes a second motor horizontally mounted on the side of the mounting frame facing away from the feeding barrel, an outer shaft coaxially connected to the output shaft of the second motor, and a pelletizing knife welded on the outer shaft, and both the first motor and the second motor need to be powered by external power facilities;

[0009] Cylinders are installed on the opposite sides of the mounting frame, and the two cylinders are connected to the opposite sides with conveying rods, and the two conveying rods are connected to the opposite sides with L-shaped adjustment plates. The two adjustment plates are both fitted with the side plates, and the two adjustment plates are both located between the side plates and the pelletizer. A group of extrusion holes are formed on both sides of the side plates, and each of the two adjustment plates is provided with a group of extrusion holes, and the extrusion holes on the side plates have the same aperture as the extrusion holes on the adjustment plates.

[0010] As a preferred embodiment, bases are symmetrically welded on both sides of the bottom wall of the feeding tube, and the bottom walls of the two bases are both arranged horizontally; so that the two bases can place the feeding tube horizontally on the ground or on a designated facility.

[0011] As a preferred embodiment, a feeding pipe is fixedly connected to one side of the feeding cylinder above the feeding cylinder and close to the first motor; materials can be added to the feeding cylinder through the feeding pipe.

[0012] As a preferred embodiment, one end of the inner shaft is rotatably connected to the feeding barrel, and the other end is rotatably connected to a bracket, and the bracket is welded to the top wall of the inner cavity of the feeding barrel; so that the inner shaft structure remains stable.

[0013] As a preferred embodiment, the outer shaft is horizontally arranged and rotatably connected to the pelletizer, so that the outer shaft can drive the pelletizer to operate stably.

[0014] As a preferred embodiment, the two transmission rods are both arranged horizontally, and the two transmission rods are respectively connected to the inner walls on both sides of the mounting frame; so that the transmission rods can keep stable when driving the adjustment plate to extend and retract.

[0015] In summary, the technical effects and advantages of the utility model are as follows:

[0016] The pelletizer with adjustable particle size can change the rotation speed of the pelletizer by adjusting the operating power of the second motor, thereby adjusting the length of the cut plastic particles, and can adjust the size of the extrusion hole and the cross-sectional area of ​​the cut plastic by changing the relative positions of the two adjustment plates and the side plates through the operation of the two cylinders, thereby changing the size of the particle more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a vertical cross-sectional view of the utility model;

[0019] Figure 3 It is a partial top view of the utility model;

[0020] Figure 4 It is a partial horizontal cross-sectional view of the utility model.

[0021] In the figure: 1. feeding barrel; 2. base; 3. first motor; 4. feeding pipe; 5. inner shaft; 6. spiral conveying blade; 7. bracket; 8. side plate; 9. mounting frame; 10. second motor; 11. outer shaft; 12. pelletizing knife; 13. cylinder; 14. conveying rod; 15. adjusting plate; 16. extrusion hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 4 A pelletizer with adjustable particle size, comprising a feed barrel 1 and a pelletizing assembly located on the feed barrel 1, bases 2 are symmetrically welded on both sides of the bottom wall of the feed barrel 1, and the bottom walls of the two bases 2 are horizontally arranged, so that the two bases 2 can place the feed barrel 1 horizontally on the ground or on designated facilities, a first motor 3 is horizontally installed on one side wall of the feed barrel 1, a feeding pipe 4 is fixedly connected to the side above the feed barrel 1 close to the first motor 3, and materials can be added to the feed barrel 1 through the feeding pipe 4, wherein the output shaft of the first motor 3 is coaxially connected to an inner shaft 5, one end of the inner shaft 5 is rotatably connected to the feed barrel 1, and the other end is rotatably connected to a bracket 7, the bracket 7 is welded to the top wall of the inner cavity of the feed barrel 1, so that the structure of the inner shaft 5 remains stable, and a spiral conveying blade 6 is integrally welded on the inner shaft 5;

[0024] A mounting opening is provided on the side of the feeding barrel 1 facing away from the first motor 3, a side plate 8 is fixedly welded in the mounting opening, a U-shaped mounting frame 9 is welded on the side of the feeding barrel 1 facing away from the first motor 3, and the pelletizing assembly comprises a second motor 10 horizontally mounted on the mounting frame 9 facing away from the feeding barrel 1, an outer shaft 11 coaxially connected to the output shaft of the second motor 10, and a pelletizing knife 12 welded on the outer shaft 11, the first motor 3 and the second motor 10 both need to be powered by external power facilities, the outer shaft 11 is horizontally arranged and rotatably connected to the pelletizing knife 12, so that the outer shaft 11 can drive the pelletizing knife 12 to operate stably;

[0025] Cylinders 13 are installed on the opposite sides of the mounting frame 9, and the two cylinders 13 are connected to the opposite sides thereof with conveying rods 14, and the opposite sides of the two conveying rods 14 are connected to L-shaped adjustment plates 15, and the two conveying rods 14 are arranged horizontally, and the two conveying rods 14 are respectively connected to the inner walls on both sides of the mounting frame 9, so that the conveying rods 14 drive the adjustment plates 15 to remain stable when they are extended and retracted, and the two adjustment plates 15 are both fitted with the side plates 8, and the two adjustment plates 15 are both located between the side plates 8 and the pelletizer 12, and a group of extrusion holes 16 are formed on both sides of the side plates 8, and a group of extrusion holes 16 are respectively provided on the two adjustment plates 15, and the extrusion holes 16 on the side plates 8 and the extrusion holes 16 on the adjustment plates 15 have the same aperture size.

[0026] The pelletizer with adjustable particle size: when in use, first drive the first motor 3 to operate and drive the inner shaft 5 and the spiral conveying blade 6 to operate, add the material to be extruded into the inner cavity of the feeding barrel 1 through the feeding pipe 4, and under the action of the spiral conveying blade 6, the material is continuously conveyed to the location of the side plate 8, and finally the material is extruded through the two groups of extrusion holes 16 on the side plate 8 and the extrusion holes 16 on the two adjustment plates 15. At this time, drive the second motor 10 to operate and drive the outer shaft 11 and the pelletizer 12 to operate, so that the plastic can be pelletized. By adjusting the power of the second motor 10, the speed of the pelletizer 12 can be adjusted, thereby changing the length of the plastic to be cut. By driving the two cylinders 13 to operate and drive the two conveying rods 14 to extend or contract synchronously, the relative position of the two adjustment plates 15 and the side plate 8 can be adjusted, so that the extrusion holes 16 on the side plate 8 and the extrusion holes 16 on the adjustment plate 15 are staggered, and the size of the extrusion holes 16 is changed to change the cross-sectional area of ​​the plastic to be cut, thereby more accurately changing the size of the particles.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pelletizer with adjustable particle size, comprising a feed barrel (1) and a pelletizing assembly located on the feed barrel (1), characterized in that: A first motor (3) is horizontally mounted on one side wall of the feeding cylinder (1), wherein the output shaft of the first motor (3) is coaxially connected to an inner shaft (5), and a spiral conveying blade (6) is integrally welded to the inner shaft (5), wherein a mounting opening is provided on a side of the feeding cylinder (1) facing away from the first motor (3), and a side plate (8) is fixedly welded in the mounting opening; A U-shaped mounting frame (9) is welded to the side of the feeding cylinder (1) facing away from the first motor (3), and the pelletizing assembly comprises a second motor (10) horizontally mounted on the side of the mounting frame (9) facing away from the feeding cylinder (1), an outer shaft (11) coaxially connected to the output shaft of the second motor (10), and a pelletizing knife (12) welded to the outer shaft (11); Cylinders (13) are respectively installed on opposite sides of the mounting frame (9); the two cylinders (13) are respectively connected to transmission rods (14) on the opposite sides thereof; and the two transmission rods (14) are connected to L-shaped adjustment plates (15) on the opposite sides thereof; a group of extrusion holes (16) are formed on both sides of the side plate (8); and a group of extrusion holes (16) are respectively provided on the two adjustment plates (15); and the extrusion holes (16) on the side plate (8) and the extrusion holes (16) on the adjustment plate (15) have the same hole diameter.

2. A pelletizer with adjustable particle size according to claim 1, characterized in that: Bases (2) are symmetrically welded to both sides of the bottom wall of the conveying cylinder (1), and the bottom walls of the two bases (2) are both arranged horizontally.

3. A pelletizer with adjustable particle size according to claim 1, characterized in that: A feeding pipe (4) is fixedly connected to a side of the upper part of the feeding cylinder (1) close to the first motor (3).

4. A pelletizer with adjustable particle size according to claim 1, characterized in that: One end of the inner shaft (5) is rotatably connected to the feeding barrel (1), and the other end is rotatably connected to a bracket (7), and the bracket (7) is welded to the top wall of the inner cavity of the feeding barrel (1).

5. A pelletizer with adjustable particle size according to claim 1, characterized in that: The outer axis (11) is arranged horizontally and is rotatably connected to the pelletizing knife (12).

6. A pelletizer with adjustable particle size according to claim 1, characterized in that: The two transmission rods (14) are both arranged horizontally, and the two transmission rods (14) are respectively connected to the inner walls on both sides of the mounting frame (9).

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