CN213648241U

CN213648241U - Rubber granulating device

Info

Publication number: CN213648241U
Application number: CN202022168294.2U
Authority: CN
Inventors: 刘星; 黄思奇; 吴佳骏
Original assignee: Jiangsu Jinling Opta Polymer Co ltd
Current assignee: Jiangsu Jinling Opta Polymer Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-07-09
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a grain device is cut to rubber, including the feeding bin, feeding bin one end is provided with the bush, the inside feeding bolt that is provided with of feeding bin, one side that the bush was kept away from at the feeding bin top is provided with the feeder hopper, bush central point puts and has seted up the through-hole, the bush just is located the through-hole circumference outside and is provided with a plurality of layers of align to grid and is the crowded material hole that the annular distributes, feeding bolt is connected with the pivot through the through-hole near the one end of bush, the one end that the bush was kept away from in the pivot is connected with the motor, the mounting groove has all been seted up to pivot mid portion's top and bottom, the inside mounting panel that is provided with of mounting groove, two mounting panels. Has the advantages that: through setting up reasonable structural design for can realize the dismouting simply when bush and cutter remain stable and cut grain, thereby reduce cost of maintenance, reduce the operation degree of difficulty.

Description

Rubber granulating device

Technical Field

The utility model relates to a cut grain equipment technical field, particularly, relate to a grain device is cut to rubber.

Background

Most polymers must be compounded, and then pelletized into a marketable feedstock before being formed into a final product. There are many different designs of waste plastic recycling granulators, but all polymer recycling granulators can be divided into two broad categories: a cold pelletizing system and a die face hot pelletizing system. The main difference between the two lies in the timing of the pelletizing process. A cold pellet cutting system to cut pellets from the solidified polymer at the end of the process; in the die-face hot pelletizing system, the polymer in the molten state is pelletized as it emerges from the die, and the pellets are cooled downstream.

In the existing die face hot granulating device, due to long-time rotary friction between a die and a cutter, the cutter is frequently aged and destroyed, when the cutter is replaced and maintained, complex operation and a plurality of corresponding accessories need to be carried out, and the labor amount and the maintenance cost are increased. Simultaneously, rubber after the heating need be in the feeding bin for a long time, can lead to feeding bin and the inside many rubber residues that are detained of pay-off bolt, and current equipment is inconvenient to its cleaning process.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a rubber cuts grain device possesses easy dismouting, cuts the advantage of grain size homogeneous and speed stability, and then solves the cutter maintenance degree of difficulty and problem with high costs.

(II) technical scheme

For realizing above-mentioned easy dismouting, cut grain size homogeneous and the stable advantage of speed, the utility model discloses a concrete technical scheme as follows:

the utility model provides a grain device is cut to rubber, including the feed bin, feed bin one end is provided with the bush, the inside feeding bolt that is provided with of feed bin, one side that the bush was kept away from at feed bin top is provided with the feeder hopper, bush central point puts and has seted up the through-hole, the bush just is located the through-hole circumference outside and is provided with a plurality of layers of align to grid and is the crowded material hole that the annular distributes, feeding bolt is connected with the pivot through the through-hole near the one end of bush, the one end that the bush was kept away from in the pivot is connected with the motor, the mounting groove has all been seted up with the bottom at pivot mid portion's top, the inside mounting panel that is provided with of mounting.

Furthermore, in order to enable the feeding bolt to be connected and fixed with the rotating shaft, the through hole is limited for the feeding bolt and the rotating shaft, a threaded sleeve is arranged at one end, close to the die, of the feeding bolt, a threaded block matched with the threaded sleeve is arranged at one end, close to the die, of the rotating shaft, the threaded sleeve and the threaded block are located inside the through hole, and the diameters of the threaded sleeve and the through hole are smaller than those of the feeding bolt and the rotating shaft.

Furthermore, in order to prevent the rubber inside the feeding bin from overflowing through the through hole, a sealing ring sleeved on the outer side of the circumference of the feeding bolt is arranged at the center of one side of the neck mold close to the feeding bin.

Furthermore, in order to ensure that the feeding bolt can be kept stable during rotation and does not deviate, a limiting groove matched with the feeding bolt is arranged in the center of the inner side wall of the feeding bin far away from the die.

Further, in order to continuously heat the rubber and further ensure that the rubber is always in a molten state, a plurality of heating rods which are uniformly arranged and annularly distributed are embedded in the side wall of the feeding bin.

Furthermore, in order to realize the installation and fixation of the neck mold at one end of the feeding bin and facilitate the disassembly and assembly for maintenance and replacement, a plurality of fixing holes which are distributed annularly in an equidistant arrangement mode are formed in the outer edge of the circumference of the neck mold, a plurality of fixing blocks which are distributed annularly in an equidistant arrangement mode and matched with the fixing holes are arranged on the outer side of the circumference of one end, close to the neck mold, of the feeding bin, and fixing bolts are arranged between the fixing holes and the fixing blocks.

Further, in order to make mounting panel, blade holder and cutter can reduce the rotatory vibrations that produce of motor, and then improve the stability and the life of cutter, be provided with the bradyseism gasket between mounting groove and the mounting panel.

Further, in order to make the cutter can even equidistance arrange, and then realize the even grain of cutting to rubber, the contained angle is 45 between two blade holders on mounting panel top, and four blade holders form cross structure, and are the acute angle structure between cutter and the blade holder.

(III) advantageous effects

Compared with the prior art, the utility model provides a grain device is cut to rubber possesses following beneficial effect:

(1) through setting up spacing bolt and fixing bolt for the dismouting can be realized simply when bush and cutter remain stable, thereby reduces cost of maintenance, reduces the operation degree of difficulty.

(2) Through the design of pivot and pay-off bolt integration to speed that rubber from the pay-off to cutting grain process is unified realizing, makes and cuts grain size even, cuts grain speed stability.

(3) Through setting up the bradyseism gasket to avoid the rotatory vibrations that produce of motor to produce the influence to blade holder and cutter, and then improve the stability of cutting grain, improve cutter life simultaneously.

(4) By arranging the heating rod, the rubber is ensured to be always in a molten state in the feeding and extruding processes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front view of a rubber pelletizing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a die and a rotating shaft structure in a rubber pelletizing device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a cutter and a cutter seat in a rubber pelletizing device according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a partially enlarged view of fig. 1 at B.

In the figure:

1. a feeding bin; 2. a neck ring mold; 3. a feed bolt; 4. a feed hopper; 5. a through hole; 6. extruding holes; 7. a rotating shaft; 8. a motor; 9. mounting grooves; 10. mounting a plate; 11. a limit bolt; 12. a tool apron; 13. a cutter; 14. a threaded sleeve; 15. a thread block; 16. a seal ring; 17. a limiting groove; 18. a heating rod; 19. a fixing hole; 20. a fixed block; 21. fixing the bolt; 22. a cushioning pad.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a grain device is cut to rubber.

Referring now to the drawings and the detailed description, as shown in fig. 1-5, the rubber granulating device according to the embodiment of the present invention comprises a feeding bin 1, an end of the feeding bin 1 is provided with a die 2, a feeding bolt 3 is arranged inside the feeding bin 1, one side of the top of the feeding bin 1 away from the die 2 is provided with a feeding hopper 4, the center of the die 2 is provided with a through hole 5, the die 2 and the outer side of the circumference of the through hole 5 are provided with a plurality of layers of extruding holes 6 which are uniformly arranged and annularly distributed, one end of the feeding bolt 3 close to the die 2 is connected with a rotating shaft 7 through the through hole 5, one end of the rotating shaft 7 away from the die 2 is connected with a motor 8, the top and the bottom of the middle part of the rotating shaft 7 are both provided with mounting grooves 9, mounting plates 10 are arranged inside the mounting, two tool apron 12 are arranged on one side of the top end of the mounting plate 10 close to the neck mold 2, and a cutter 13 is arranged on one side of the tool apron 12 close to the neck mold 2.

By means of the technical scheme, through setting up limit bolt 11 for the dismouting can be realized simply when cutter 13 remains stable, thereby reduces cost of maintenance, reduces the operation degree of difficulty. Through the design of pivot 7 and feeding bolt 3 integration to speed that the process was unified from the pay-off to cutting grain in the realization rubber, make and cut grain size even, cut grain speed stability.

In an embodiment, for the above-mentioned feed bolt 3, one end of the feed bolt 3 close to the die 2 is provided with a threaded sleeve 14, one end of the rotating shaft 7 close to the die 2 is provided with a threaded block 15 matched with the threaded sleeve 14, the threaded sleeve 14 and the threaded block 15 are both located inside the through hole 5, and the diameters of the threaded sleeve 14 and the through hole 5 are both smaller than those of the feed bolt 3 and the rotating shaft 7, so that the feed bolt 3 and the rotating shaft 7 are connected and fixed, and the through hole 5 limits the feed bolt 3 and the rotating shaft 7.

In one embodiment, for the above-mentioned die 2, a sealing ring 16 is provided at the central position of the die 2 near the feeding bin 1, and is sleeved outside the circumference of the feeding bolt 3, so that the rubber inside the feeding bin 1 does not overflow through the through hole 5.

In one embodiment, for the feeding bin 1, a limiting groove 17 matched with the feeding bolt 3 is arranged at the position, away from the center of the inner side wall of the die 2, of the feeding bin 1, so that the feeding bolt 3 can be kept stable in rotation and does not deviate.

In one embodiment, for the feeding bin 1, a plurality of heating rods 18 which are uniformly arranged and distributed in an annular shape are embedded in the side wall of the feeding bin 1, so that the rubber is continuously heated, and the rubber is ensured to be in a molten state all the time.

In an embodiment, for the above-mentioned bush 2, a plurality of fixing holes 19 are formed in the outer edge of the circumference of the bush 2, the fixing blocks 20 are arranged at equal intervals, annularly distributed and matched with the fixing holes 19, and are arranged on the outer side of the circumference of one end of the feeding bin 1, which is close to the bush 2, the fixing blocks 20 are arranged at equal intervals, annularly distributed and matched with the fixing holes 19, and the fixing bolts 21 are arranged between the fixing holes 19 and the fixing blocks 20, so that the installation and fixation of the bush 2 at one end of the feeding bin 1 are realized, and.

In one embodiment, for the mounting groove 9, a shock absorbing pad 22 is disposed between the mounting groove 9 and the mounting plate 10, so that the mounting plate 10, the tool apron 12 and the cutter 13 can reduce the shock generated by the rotation of the motor 8, thereby improving the stability and the service life of the cutter 13.

In one embodiment, for the above-mentioned mounting plate 10, an included angle between two tool holders 12 on the top end of the mounting plate 10 is 45 °, and four tool holders 12 form a cross structure, and an acute angle structure is formed between the cutter 13 and the tool holders 12, so that the cutters 13 can be uniformly arranged at equal intervals, and uniform grain cutting of rubber is realized.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, an operator firstly installs and fixes the structure of the neck ring mold 2, the feeding bolt 3, the installation plate 10, the tool apron 12 and the like. Firstly, respectively arranging a feeding bolt 3 and a rotating shaft 7 at two sides of a neck mold 2, aligning a threaded sleeve 14 and a threaded block 15 with a through hole 5, and rotating the feeding bolt 3 or the rotating shaft 7 to connect and fix the feeding bolt 3 and the rotating shaft 7; then the feeding bolt 3 is installed in the feeding bin 1 until the feeding bolt 3 abuts against the limiting groove 17. At this time, the die is mounted by aligning the plurality of fixing holes 19 with the corresponding fixing blocks 20 and fitting the fixing bolts 21. Then, the cushioning pads 22 are respectively placed inside the two mounting grooves 9, the mounting plates 10 are placed, the two mounting plates 10 are mounted and fixed through the limiting bolts 11, the tool apron 12 and the cutter 13 are mounted, and then the dicing operation is started.

After the start work, open heating rod 18 and motor 8, begin the feeding through feeder hopper 4, along with the rotation of pay-off bolt 3, convey rubber to bush 2 end step by step, extrude the crowded material hole 6 through the extrusion with the rubber that conveys, at this moment, the eager grain of pivoted cutter 13 completion to rubber.

When the cutter 13 needs to be replaced or the feeding bolt 3 needs to be cleaned, the limiting bolt 11 or the fixing bolt 21 is respectively removed.

To sum up, with the help of the above technical scheme of the utility model, through setting up spacing bolt 11 and fixing bolt 21 for can realize the dismouting simply when bush 2 and cutter 13 remain stable, thereby reduce cost of maintenance, reduce the operation degree of difficulty. Through the design of pivot 7 and feeding bolt 3 integration to speed that the process was unified from the pay-off to cutting grain in the realization rubber, make and cut grain size even, cut grain speed stability. Through setting up bradyseism gasket 22 to avoid the rotatory vibrations that produce of motor 8 to produce the influence to blade holder 12 and cutter 13, and then improve the stability of cutting grain, improve cutter 13 life simultaneously. The heating rod 18 is arranged, so that the rubber is always kept in a molten state in the feeding and extruding processes.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The rubber granulating device is characterized by comprising a feeding bin (1), wherein one end of the feeding bin (1) is provided with a port die (2), a feeding bolt (3) is arranged inside the feeding bin (1), one side, far away from the port die (2), of the top of the feeding bin (1) is provided with a feeding hopper (4), a through hole (5) is formed in the center of the port die (2), a plurality of layers of extruding holes (6) which are uniformly distributed in an annular shape are formed in the periphery of the through hole (5) of the port die (2), one end, close to the port die (2), of the feeding bolt (3) is connected with a rotating shaft (7) through the through hole (5), one end, far away from the port die (2), of the rotating shaft (7) is connected with a motor (8), and mounting grooves (9) are formed in the top and the bottom of the middle part of, the die is characterized in that a mounting plate (10) is arranged inside the mounting groove (9), the mounting plate (10) is fixed inside the mounting groove (9) through two limiting bolts (11), the top end of the mounting plate (10) is close to one side of the die (2) and is provided with two tool apron (12), and the tool apron (12) is close to one side of the die (2) and is provided with a cutter (13).

2. A rubber cutting device as claimed in claim 1, characterized in that a threaded sleeve (14) is provided at the end of the feed bolt (3) close to the die (2), a threaded block (15) cooperating with the threaded sleeve (14) is provided at the end of the rotary shaft (7) close to the die (2), the threaded sleeve (14) and the threaded block (15) are both located inside the through hole (5), and the diameters of the threaded sleeve (14) and the through hole (5) are both smaller than the diameters of the feed bolt (3) and the rotary shaft (7).

3. A rubber cutting device as claimed in claim 2, characterized in that a sealing ring (16) is arranged on the central position of one side of the die (2) close to the feeding bin (1) and sleeved outside the circumference of the feeding bolt (3).

4. A rubber cutting device as claimed in claim 3, characterized in that the feeding bin (1) is provided with a limiting groove (17) matched with the feeding bolt (3) at the central position of the inner side wall far away from the die (2).

5. A rubber cutting device as claimed in claim 4, characterized in that a plurality of heating rods (18) are embedded in the side wall of the feeding bin (1) and are uniformly arranged and distributed in a ring shape.

6. A rubber cutting device as claimed in claim 4, characterized in that the peripheral edge of the die (2) is provided with a plurality of fixing holes (19) which are equidistantly arranged and annularly distributed, the outer side of the periphery of one end of the feeding bin (1) close to the die (2) is provided with a plurality of fixing blocks (20) which are equidistantly arranged and annularly distributed and are matched with the fixing holes (19), and fixing bolts (21) are arranged between the fixing holes (19) and the fixing blocks (20).

7. A rubber pelletizing device according to claim 1, characterized in that a shock absorbing gasket (22) is arranged between the mounting groove (9) and the mounting plate (10).

8. A rubber cutting device as claimed in claim 7, characterized in that the two tool holders (12) at the top end of the mounting plate (10) are arranged at an angle of 45 °, four tool holders (12) are arranged in a cross-shaped configuration, and the cutting blade (13) and the tool holders (12) are arranged at an acute angle.