CN212123810U

CN212123810U - A cut grain device for fire-retardant particle of plastic

Info

Publication number: CN212123810U
Application number: CN202020720804.XU
Authority: CN
Inventors: 柯其超
Original assignee: Lianyungang Qihang Flame Retardant Material Co ltd
Current assignee: Lianyungang Qihang Flame Retardant Material Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-12-11
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to a grain device for plastic fire-retardant particle, which comprises a housing, the housing inner chamber is provided with a feeding mechanism, the feeding mechanism comprises an upper feeding roller and a lower feeding roller, a threaded rod is arranged above the upper feeding roller, a driving roller is arranged below the lower feeding roller, a driving motor is arranged below the driving roller, the driving roller is connected with the lower feeding roller through a transmission belt, one side of the upper feeding roller is provided with a granulating cutter disc, the granulating cutter disc is evenly provided with a grain cutting blade, a guide roller is arranged below the granulating cutter disc, the guide roller is evenly provided with a guide sheet, a baffle plate is arranged between the lower feeding roller and the guide roller, one side of the baffle plate is provided with a guide plate, the guide plate is provided with a first screen and a second screen, the utility model can adjust the space between the feeding rollers to adapt to plastic strips with different sizes, and can also collect the scraps generated in the granulating process.

Description

A cut grain device for fire-retardant particle of plastic

Technical Field

The utility model relates to a cut grain device for fire-retardant particle of plastic belongs to the fire-retardant particle technical field of plastic.

Background

Plastic particles are the common name for plastic granules, and are the raw material for storing, transporting and processing plastic in the form of semi-finished products. Plastics are a kind of high molecular material, and can be used to prepare ethylene, propylene, vinyl chloride, styrene, etc. by using petroleum as raw material, and the molecules of these substances can react with each other under a certain condition to produce compounds with very large molecular weight, i.e. high molecules. The most prominent property of polypropylene is versatility, which can be adapted to many processing methods and uses. Its value and versatility mainly comes from the good chemical resistance, lowest density and highest melting point among the thermoplastic plastics, moderate cost.

The production of plastic fire-retardant particle needs to use and cuts grain device, and the feed roller position of general grain device of cutting is fixed, consequently leads to the unable feed roller that passes of large size plastics material strip, and small-size plastics material strip rocks when passing the feed roller easily to can produce some pieces and splash at the grain cutting in-process, this all can exert an influence to the pelletization process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a cut grain device for fire-retardant particle of plastic, can adjust the interval between the feed roller for adapt to not unidimensional plastics material strip, can also collect the piece that eager grain in-process produced, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a grain device for plastic flame-retardant particles comprises a housing, wherein a feeding mechanism is arranged in the housing, the feeding mechanism comprises an upper feeding roller and a lower feeding roller, a threaded rod is arranged above the upper feeding roller, a driving roller is arranged below the lower feeding roller, a driving motor is arranged below the driving roller, the driving roller is connected with the lower feeding roller through a transmission belt, a granulating cutter disc is arranged on one side of the upper feeding roller, granulating cutter blades are uniformly arranged on the granulating cutter disc, a guide roller is arranged below the granulating cutter disc, a guide sheet is uniformly arranged on the guide roller, a partition plate is arranged between the lower feeding roller and the guide roller, a guide plate is arranged on one side of the partition plate, a first screen mesh and a second screen mesh are arranged on the guide plate, a first material collecting box and a second material collecting box are arranged below the guide plate in a sliding manner, a suction fan is arranged at the top of the housing, the suction fan is communicated with a dust collection box through an air delivery pipe, and the dust collection box is communicated with a dust suction hopper through a dust collection pipe.

As a preferred technical scheme of the utility model, threaded rod one end with go up feed roller fixed connection, the other end runs through the casing top extends to outside the casing, just go up the feed roller and run through out the casing serves fixedly and is equipped with adjusting hand wheel.

As a preferred technical scheme of the utility model, threaded rod surface cover is equipped with the sleeve, just the sleeve runs through the casing top, telescopic internal surface be equipped with screw thread assorted thread groove on the threaded rod surface.

As a preferred technical scheme of the utility model, the stock guide is located the stock guide roller below, just stock guide one end with baffle fixed connection, the other end with casing inner chamber lateral wall fixed connection.

As the utility model discloses a preferred technical scheme, the stock guide sets up for the slope, just the lower one end of stock guide slope is equipped with the discharging pipe.

As an optimal technical scheme of the utility model, first screen cloth with first collection workbin position is relative, the second screen cloth with the second collection workbin position is relative.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up driving motor and can move through driving drive roller, driving belt and lower feed roll to carry out the pay-off, can fix the plastics material strip through setting up the feed roll, can rotate through setting up adjusting handle wheel, thereby drive the threaded rod and go up the feed roll on it and carry out the up-and-down motion through the screw thread, reach the purpose of adjusting the interval between the feed roll.

2. The utility model discloses a set up pelletization cutter dish and the grain cutting blade on it can cut the grain to the plastics material strip, the particle leads to the stock guide on through the guide roller and the guide piece on it, fall on first screen cloth, carry out the screening for the first time, the particle of small granule falls into first collection incasement, all the other particles roll on the second screen cloth, carry out the screening for the second time, the particle of large granule falls into second collection incasement, unqualified particle is discharged from the discharging pipe, so that follow-up processing.

3. The utility model discloses a set up the dust collection box and can collect and accomodate the piece, the suction fan is high-speed rotatory, makes the inside negative pressure that produces of dust collection box, and atmospheric pressure in the dust collection box is less than the atmospheric pressure in the casing greatly, under the effect of inside and outside differential pressure, makes the piece around the dust absorption fill along with the air current gets into in the collecting box.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural diagram of a granulating device for plastic flame-retardant particles of the present invention.

Fig. 2 is a schematic structural view of an upper feeding roller of the granulating device for plastic flame-retardant particles of the present invention.

Fig. 3 is a schematic structural view of a material guiding plate of a granulating device for plastic flame retardant particles of the present invention.

Reference numbers in the figures: 1. a housing; 2. an upper feed roller; 3. a lower feed roll; 4. a threaded rod; 5. adjusting a hand wheel; 6. a drive roller; 7. a drive motor; 8. granulating cutter head; 9. a material guide roller; 10. a partition plate; 11. a material guide plate; 12. a first screen; 13. a second screen; 14. a first material collecting box; 15. a second material collecting box; 16. a suction fan; 17. a dust collection box; 18. a dust suction hopper; 19. a sleeve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a granulating device for plastic flame-retardant particles comprises a housing 1, a feeding mechanism is arranged in an inner cavity of the housing 1, the feeding mechanism comprises an upper feeding roller 2 and a lower feeding roller 3, a threaded rod 4 is arranged above the upper feeding roller 2, a driving roller 6 is arranged below the lower feeding roller 3, a driving motor 7 is arranged below the driving roller 6, the driving roller 6 is connected with the lower feeding roller 3 through a driving belt, the driving motor 7 can drive the driving roller 6, the driving belt and the lower feeding roller 3 to move so as to feed materials, plastic strips can be fixed by arranging the upper feeding roller 2, a granulating cutter disc 8 is arranged on one side of the upper feeding roller 2, granulating cutter discs 8 are uniformly provided with granulating blades, a guide roller 9 is arranged below the granulating cutter disc 8, a guide sheet is uniformly arranged on the guide roller 9, a partition plate 10 is arranged between the lower feeding roller 3 and the guide roller 9, the partition board 10 is provided with a material guide plate 11 on one side, the material guide plate 11 is provided with a first screen 12 and a second screen 13, a first material collecting box 14 and a second material collecting box 15 are slidably arranged below the material guide plate 11, the top of the casing 1 is provided with a suction fan 16, the suction fan 16 is communicated with a dust collecting box 17 through a wind conveying pipe, the dust collecting box 17 is communicated with a dust collecting hopper 18 through a dust collecting pipe, the suction fan 16 rotates at a high speed to generate negative pressure inside the dust collecting box 17, the air pressure inside the dust collecting box 17 is greatly lower than that inside the casing 1, and debris around the dust collecting hopper 18 enters the collecting box 17 along with the air flow under the action of internal and external differential pressure.

As shown in fig. 1, 2, 4 one ends of threaded rod and last feed roller 2 fixed connection of this embodiment, the other end runs through casing 1 top and extends to outside the casing 1, and go up feed roller 2 and run through casing 1 and serve the fixed adjusting hand wheel 5 that is equipped with, 4 surface covers of threaded rod are equipped with sleeve 19, and sleeve 19 runs through casing 1 top, sleeve 19's internal surface be equipped with threaded rod 4 on the surface screw thread assorted thread groove, adjusting hand wheel 5 can rotate, thereby drive threaded rod 4 and the last feed roller 2 on it through the screw thread and carry out the up-and-down motion, reach the purpose of adjusting the interval between the feed roller.

As shown in fig. 1 and 3, the material guiding plate 11 of this embodiment is located below the material guiding roller 9, one end of the material guiding plate 11 is fixedly connected to the partition plate 10, the other end of the material guiding plate is fixedly connected to the sidewall of the inner cavity of the housing 1, the material guiding plate 11 is disposed in an inclined manner, a material discharging pipe is disposed at the lower end of the material guiding plate 11, the first screen 12 is opposite to the first material collecting box 14, the second screen 13 is opposite to the second material collecting box 15, the particles are guided onto the material guiding plate 11 through the material guiding roller 9 and the material guiding sheet thereon, and fall onto the first screen 12 for first screening, the particles with small particles fall into the first material collecting box 14, the rest particles roll onto the second screen 13 for second screening, and the particles with large particles fall into the second material collecting box 15.

For the convenience of understanding the above 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:

the utility model can fix the plastic strips by arranging the upper feeding roller 2, can rotate by arranging the adjusting hand wheel 5, can drive the threaded rod 4 and the upper feeding roller 2 thereon to move up and down by arranging the driving motor 7, achieves the aim of adjusting the space between the feeding rollers, can cut the plastic strips by arranging the granulating cutter disc 8 and the granulating blade thereon, leads the particles to the material guide plate 11 through the material guide roller 9 and the material guide sheet thereon, falls onto the first screen 12, carries out the first screening, the particles with small particles fall into the first material collecting box 14, the rest particles roll onto the second screen 13, carries out the second screening, the particles with large particles fall into the second material collecting box 15, the unqualified particles are discharged from the material discharging pipe, for subsequent treatment, the dust collection box 17 is arranged to collect and store the scraps, the suction fan 16 rotates at a high speed to generate negative pressure inside the dust collection box 17, the air pressure in the dust collection box 17 is greatly lower than that in the machine shell 1, and the scraps around the dust collection hopper 18 enter the collection box 17 along with the air flow under the action of the internal and external differential pressure.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a cut grain device for fire-retardant particle of plastic, includes casing (1), its characterized in that: the inner cavity of the shell (1) is provided with a feeding mechanism, the feeding mechanism comprises an upper feeding roller (2) and a lower feeding roller (3), a threaded rod (4) is arranged above the upper feeding roller (2), a driving roller (6) is arranged below the lower feeding roller (3), a driving motor (7) is arranged below the driving roller (6), the driving roller (6) is connected with the lower feeding roller (3) through a transmission belt, a granulating and cutting cutter head (8) is arranged on one side of the upper feeding roller (2), granulating and cutting blades are uniformly arranged on the granulating and cutting cutter head (8), a guide roller (9) is arranged below the granulating and cutting cutter head (8), a guide piece is uniformly arranged on the guide roller (9), a partition plate (10) is arranged between the lower feeding roller (3) and the guide roller (9), a guide plate (11) is arranged on one side of the partition plate (10), a first screen (12) and a second screen (13) are arranged on the guide plate (11), the material guide plate is characterized in that a first material collecting box (14) and a second material collecting box (15) are arranged below the material guide plate (11) in a sliding mode, a suction fan (16) is arranged at the top of the machine shell (1), the suction fan (16) is provided with a dust collecting box (17) through air conveying pipe communication, and the dust collecting box (17) is provided with a dust suction hopper (18) through dust collecting pipe communication.

2. The pelletizing device for plastic flame retardant particles according to claim 1, characterized in that: threaded rod (4) one end with go up feed roller (2) fixed connection, the other end runs through casing (1) top and extend to outside casing (1), just go up feed roller (2) and run through out casing (1) is served and is fixed and be equipped with adjusting hand wheel (5).

3. The pelletizing device for plastic flame retardant particles according to claim 1, characterized in that: threaded rod (4) surface cover is equipped with sleeve (19), just sleeve (19) run through casing (1) top, the internal surface of sleeve (19) be equipped with screw thread assorted thread groove on threaded rod (4) surface.

4. The pelletizing device for plastic flame retardant particles according to claim 1, characterized in that: the material guide plate (11) is positioned below the material guide roller (9), one end of the material guide plate (11) is fixedly connected with the partition plate (10), and the other end of the material guide plate is fixedly connected with the side wall of the inner cavity of the machine shell (1).

5. The pelletizing device for plastic flame retardant particles according to claim 1, characterized in that: the material guide plate (11) is arranged in an inclined mode, and a material discharge pipe is arranged at the lower end, inclined, of the material guide plate (11).

6. The pelletizing device for plastic flame retardant particles according to claim 1, characterized in that: the first screen (12) is opposite to the first material collecting box (14), and the second screen (13) is opposite to the second material collecting box (15).