阅读说明：本技术 一种改性塑料颗粒多级精分方法及装置 (Multi-stage fine separation method and device for modified plastic particles ) 是由 何书胜 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种改性塑料颗粒多级精分方法及装置,涉及塑料生产领域,包括呈圆柱形的筛分筒,所述筛分筒内自上而下依次设置有第一筛分网和第二筛分网,所述第一筛分网的外壁与所述筛分筒的内壁固定连接,所述第二筛分网的外壁与所述筛分筒的内壁滑动连接,并且底部连接有驱动其旋转的驱动电机,所述第一筛分网和所述第二筛分网同圆心设置,并且自圆心向外阵列有多圈筛孔。本发明的改性塑料颗粒多级精分方法及装置通过驱动电机带动第二筛分网旋转,使得第二筛分网上的筛孔与第一筛分网上的筛孔相互错开,根据所需要筛分的颗粒大小调节筛孔的大小。(The invention discloses a multi-stage fine separation method and device for modified plastic particles, and relates to the field of plastic production. According to the multi-stage fine separation method and device for the modified plastic particles, the second screening net is driven to rotate through the driving motor, so that the sieve holes in the second screening net and the sieve holes in the first screening net are staggered, and the sizes of the sieve holes are adjusted according to the sizes of the particles to be screened.)

1. The utility model provides a multistage accurate device of dividing of modified plastic granules which characterized in that: including being columniform screening section of thick bamboo (1), top-down has set gradually first screening net (2) and second screening net (3) in screening section of thick bamboo (1), the outer wall of first screening net (2) with the inner wall fixed connection of screening section of thick bamboo (1), the outer wall of second screening net (3) with the inner wall sliding connection of screening section of thick bamboo (1) to the bottom is connected with its rotatory driving motor (4) of drive, first screening net (2) with second screening net (3) concentric centre sets up to outside array from the centre of circle has many rings of sieve mesh (5).

2. The multi-stage fine separation device for the modified plastic particles as claimed in claim 1, wherein: a crushing component is also arranged above the screening cylinder (1).

3. The multi-stage fine separation device for the modified plastic particles as claimed in claim 2, wherein: crushing unit includes support (6), be provided with lift cylinder (7) on support (6), lift cylinder (7) set up the top of first screening net (2), its tailpiece of the piston rod is provided with rotating electrical machines (8), the output axle head of rotating electrical machines (8) is connected with dwang (9), be provided with cutting member on dwang (9).

4. The multi-stage fine separation device for the modified plastic particles as claimed in claim 3, wherein: the cutting part comprises a cutting knife (10), the cutting knife (10) is exposed out of the rotating rod (9), a cutting cylinder (11) is arranged inside the rotating rod (9), and the piston rod end of the cutting cylinder (11) can extend out of the rotating rod (9) and is fixedly connected with the cutting knife (10).

5. The multi-stage fine separation device for the modified plastic particles as claimed in claim 4, wherein: the length of the cutting knife (10) is equal to the radius of the first screening net (1).

6. The multi-stage fine separation device for the modified plastic particles as claimed in claim 1, wherein: the bottom of screening section of thick bamboo (1) still is provided with row material pipe (12), the below of arranging material pipe (12) is provided with screening groove (13), the top in screening groove (13) is filter screen (14), the sieve mesh diameter of filter screen (14) is less than the sieve mesh diameter of second screening net (3).

7. The multi-stage fine separation device for the modified plastic particles as claimed in claim 6, wherein: and baffle plates (15) are further arranged on two sides of the screening groove (13), and non-woven filter cloth (22) is arranged on the baffle plates (15).

8. The multi-stage fine separation device for the modified plastic particles as claimed in claim 7, wherein: the top in screening groove (13) still is provided with rolls roller (16), roll and be provided with sawtooth (17) that multirow axial set up on roller (16), roll roller (16) and be in under a drive component's effect filter screen (14) go up the removal.

9. The multi-stage fine separation device for the modified plastic particles as claimed in claim 8, wherein: the driving part comprises a motor (18) arranged at one end of the support (6), a lead screw (19) is arranged at the output shaft end of the motor (8), a sliding block (20) is connected to the lead screw (19) in a threaded manner, the sliding block (20) is embedded into a sliding groove formed in the baffle (15), a rolling motor (21) is arranged on the sliding block (20), and the output shaft end of the rolling motor (21) is fixedly connected with the rolling roller (16).

10. The multi-stage fine separation method of the modified plastic particles is characterized by comprising the following steps:

s1, pouring plastic particles into the screening cylinder (1);

s2, adjusting the size of the sieve holes (5) according to the requirement;

s3, the particles trapped on the first screening net (2) are re-cut.

Technical Field

The invention relates to the field of plastic production, in particular to a multi-stage fine separation method and device for modified plastic particles.

Background

The existing plastic screening device is only provided with a plurality of layers of screens for screening, and the diameters of the screen holes are fixed and cannot be adjusted according to specific requirements.

Disclosure of Invention

In order to solve the technical problems, the invention provides a multi-stage fine separation method and a multi-stage fine separation device for modified plastic particles.

The invention adopts the following technical scheme:

the utility model provides a multistage accurate device that divides of modified plastic granules, is including being a columniform screening section of thick bamboo, top-down has set gradually first screening net and second screening net in the screening section of thick bamboo, the outer wall of first screening net with the inner wall fixed connection of screening section of thick bamboo, the outer wall of second screening net with the inner wall sliding connection of screening section of thick bamboo to the bottom is connected with its rotatory driving motor of drive, first screening net with second screening net is concentric to be set up to there are many rings of sieve meshes from the outside array of centre of circle.

Preferably, a crushing component is further arranged above the screening cylinder.

Preferably, crushing part includes the support, be provided with the lift cylinder on the support, the lift cylinder sets up the top of first screening net, its tailpiece of the piston rod is provided with the rotating electrical machines, the output shaft end of rotating electrical machines is connected with the dwang, be provided with cutting part on the dwang.

Preferably, the cutting part comprises a cutting knife, the cutting knife is exposed out of the rotating rod, a cutting cylinder is arranged inside the rotating rod, and the piston rod end of the cutting cylinder can extend out of the rotating rod and is fixedly connected with the cutting knife.

Preferably, the length of the cutting knife is equal to the radius of the first screen.

Preferably, the bottom of screening section of thick bamboo still is provided with row material pipe, the below of arranging the material pipe is provided with the screening groove, the top in screening groove is the filter screen, the sieve mesh diameter of filter screen is less than the sieve mesh diameter of second screening net.

Preferably, the two sides of the screening groove are also provided with baffle plates, and the baffle plates are provided with non-woven filter cloth.

Preferably, the screening groove is provided with a rolling roller above, the rolling roller is provided with a plurality of rows of axially arranged saw teeth, and the rolling roller moves on the filter screen under the action of a driving part.

Preferably, the driving part comprises a motor arranged at one end of the support, a lead screw is arranged at an output shaft end of the motor, a sliding block is connected to the lead screw in a threaded manner, the sliding block is embedded into a sliding groove formed in the baffle, a rolling motor is arranged on the sliding block, and the output shaft end of the rolling motor is fixedly connected with the rolling roller.

The multi-stage fine separation method of the modified plastic particles is characterized by comprising the following steps:

s1, pouring plastic particles into the screening cylinder;

s2, adjusting the sizes of the sieve pores according to the needs;

s3, recutting the particles trapped on the first screen.

The multi-stage fine separation method and the multi-stage fine separation device for the modified plastic particles have the advantages that the second screening net is driven to rotate by the driving motor, so that the screen holes in the second screening net and the screen holes in the first screening net are staggered, and the size of the screen holes is adjusted according to the size of the particles to be screened.

Drawings

The invention is preferably described below with reference to the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a first screening wire 2 and a second screening wire 3 according to the invention;

FIG. 3 is a schematic view of a cutting blade according to the present invention;

FIG. 4 is a schematic view of a laminating roller according to the present invention;

FIG. 5 is a schematic view of a nonwoven filter fabric according to the present invention;

marked as 1, screening cylinder; 2. a first screening net; 3. a second screening mesh; 4. a drive motor; 5. screening holes; 6. a support; 7. a lifting cylinder; 8. a rotating electric machine; 9. rotating the rod; 10. a cutting knife; 11. cutting the air cylinder; 12. a discharge pipe; 13. a screening tank; 14. filtering with a screen; 15. a baffle plate; 16. rolling a roller; 17. saw teeth; 18. a motor; 19. a lead screw; 20. a slider; 21. rolling a motor; 22. non-woven filter cloth.

Detailed Description

As shown in fig. 1-5, the multi-stage fine separation method and device for modified plastic particles of the present invention comprises a cylindrical sieving cylinder 1, wherein a first sieving net 2 and a second sieving net 3 are sequentially arranged in the sieving cylinder 1 from top to bottom, the outer wall of the first sieving net 2 is fixedly connected with the inner wall of the sieving cylinder 1, the outer wall of the second sieving net 3 is slidably connected with the inner wall of the sieving cylinder 1, the bottom of the second sieving net 3 is connected with a driving motor 4 for driving the sieving cylinder to rotate, the first sieving net 2 and the second sieving net 3 are concentrically arranged, and a plurality of circles of sieve holes 5 are arrayed outwards from the center of circle.

Drive the rotation of second screening net 3 through driving motor 4 for sieve mesh 5 on the second screening net 3 staggers each other with sieve mesh 5 on the first screening net 2, adjusts the size of sieve mesh 5 according to the granule size of required screening.

The particles which are not sieved in the cylinder are left on the first sieving net 2, and a crushing component is arranged above the sieving cylinder 1.

Specifically, crushing unit includes support 6, is provided with lift cylinder 7 on support 6, and lift cylinder 7 sets up in the top of first screening net 2, and its tailpiece of the piston rod end is provided with rotating electrical machines 8, and rotating electrical machines 8's output axle head is connected with dwang 9, is provided with the cutting part on dwang 9, drives dwang 9 through rotating electrical machines 8 and rotates to utilize the cutting part to smash the granule, fall into a section of thick bamboo again.

Specifically, the cutting part includes cutting knife 10, and cutting knife 10 exposes in dwang 9, and the inside of dwang 9 is provided with cutting cylinder 11, and dwang 9 can be stretched out to the piston rod end of cutting cylinder 11 to with cutting knife 10 fixed connection, through the continuous lift of cutting knife 10 cut the granule and smash.

For cutting the full face, the length of the cutting knives 10 is equal to the radius of the first screening wire 1.

The bottom of screening section of thick bamboo 1 still is provided with row material pipe 12, arranges the below of expecting 12 and is provided with screening groove 13, and the top of screening groove 13 is filter screen 14, and filter screen 14's sieve mesh diameter is less than the sieve mesh diameter of second screening net 3, can further sieve.

The two sides of the screening groove 13 are also provided with baffle plates 15, and the baffle plates 15 are provided with non-woven filter cloth 22, so that the escape of dust can be reduced during discharging.

A rolling roller 16 is arranged above the sieving groove 13, a plurality of rows of axially arranged saw teeth 17 are arranged on the rolling roller 16, and the rolling roller 16 moves on the filter screen 14 under the action of a driving part to further crush the particles.

Specifically, the driving part comprises a motor 18 arranged at one end of the support 6, a lead screw 19 is arranged at the output shaft end of the motor 8, a sliding block 20 is connected onto the lead screw 19 in a threaded manner, the sliding block 20 is embedded into a sliding groove formed in the baffle 15, a rolling motor 21 is arranged on the sliding block 20, and the output shaft end of the rolling motor 21 is fixedly connected with the rolling roller 16.

The multi-stage fine separation method of the modified plastic particles is characterized by comprising the following steps:

s1, pouring plastic particles into the screening cylinder 1;

s2, adjusting the size of the sieve holes 5 as required;

s3, re-cutting the particles trapped on the first screen 2.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.