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CN-224224253-U - Modified polypropylene granulator

CN224224253UCN 224224253 UCN224224253 UCN 224224253UCN-224224253-U

Abstract

The utility model discloses a modified polypropylene granulator, which comprises a granulator, wherein one side of the inner wall of the granulator is rotatably matched with a driving roller, a plurality of granulator knives are fixedly connected to the driving roller, a negative pressure cavity is arranged in the granulator, a linkage opening is formed in the upper side of the negative pressure cavity, a first filter screen is fixedly connected to the inner wall of the linkage opening, and a driving opening is formed in the granulator and positioned at one side of the negative pressure cavity. According to the utility model, through arranging the structures such as the negative pressure cavity, the air extractor, the linkage port and the communication port, dust can be adsorbed from two aspects of a cutting area and a discharging area in the granulating operation process, so that the suspension of the dust generated in cutting in the air is reduced, the dust content in a working environment is reduced, the cutting working environment is improved, operators are prevented from being interfered by excessive dust, and meanwhile, the dust adsorbed on the surfaces of the particles in discharging can be treated, so that the discharged particles are cleaner, and the overall quality of products is improved.

Inventors

  • LI ZHI
  • DING SHUBING

Assignees

  • 山东高端化工研究院有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (7)

  1. 1. The utility model provides a modified polypropylene granulator, includes grain cutting case (1), wherein one side normal running fit of grain cutting case (1) inner wall has drive roller (2), fixedly connected with a plurality of grain cutting sword (3) on drive roller (2), the inside of grain cutting case (1) is provided with negative pressure chamber (4), linkage mouth (5) have been seted up to the upside in negative pressure chamber (4), the inner wall fixedly connected with first filter screen (6) of linkage mouth (5), the inside of grain cutting case (1) just is located one side in negative pressure chamber (4) has been seted up drive mouth (7), one side fixedly connected with two air extractors (8) that cooperate with negative pressure chamber (4) of drive mouth (7) inner wall; Discharge gate (9) are offered to one side of pelleted box (1) inner wall, UNICOM mouth (10) have been offered to the downside of discharge gate (9) inner wall, inner wall fixedly connected with second filter screen (11) of UNICOM mouth (10), the inner wall in negative pressure chamber (4) is provided with filter component (12), one side fixedly connected with of pelleted box (1) with drive roller (2) matched with driving motor (13), one side of pelleted box (1) is provided with feeding mechanism (14).
  2. 2. The modified polypropylene granulator of claim 1, wherein the filter assembly (12) comprises a drawing frame (121) which is in sliding fit with the inner wall of the negative pressure cavity (4), a filter opening (122) formed on one side of the drawing frame (121), filter cloth (123) fixedly connected with the inner wall of the filter opening (122), and an air inlet (124) formed on the other side of the inner wall of the drawing frame (121) and matched with the communication opening (10).
  3. 3. The modified polypropylene granulator of claim 1, wherein the feeding mechanism (14) comprises a feeding motor (141) fixedly connected to one side of the granulator (1) and a feeding roller (142) fixedly connected to one end of the feeding motor (141) and positioned in the granulator (1).
  4. 4. The modified polypropylene granulator according to claim 1, wherein a baffle (15) is fixedly connected to the inner wall of the granulator (1), and the baffle (15) is positioned on the upper side of the second filter screen (11).
  5. 5. The modified polypropylene granulator of claim 1, wherein one side of the granulating box (1) is fixedly connected with a collecting frame (16) which is positioned at the lower side of the discharge hole (9), one side of the collecting frame (16) is fixedly connected with an extending plate (17), the lower side of the extending plate (17) is fixedly connected with a screening motor (18), the lower side of the collecting frame (16) is in sliding fit with a grate net (19), the output end of the screening motor (18) is fixedly connected with a crank block (20), and the lower side of the crank block (20) is in rotating fit with a linkage block (21) which is in rotating fit with the grate net (19).
  6. 6. The modified polypropylene granulator according to claim 5, wherein one side of the grate (19) is fixedly connected with two guide blocks (22), and one side of each guide block (22) is fixedly connected with a limiting rod (23) which is in sliding fit with the collecting frame (16).
  7. 7. The modified polypropylene granulator according to claim 3, wherein light curtain sensors (24) are fixedly connected to two sides of the inner wall of the granulating box (1), and the two light curtain sensors (24) are located on one side of a feeding roller (142).

Description

Modified polypropylene granulator Technical Field The utility model relates to the technical field of polypropylene processing equipment, in particular to a modified polypropylene granulator. Background The modified polypropylene is a material which can better meet the requirements of different application scenes by adding various modifiers and adopting physical, chemical and other methods on the basis of polypropylene, and the modified polypropylene granulator is a device for continuously cutting the modified polypropylene material into granular products from strip-shaped, block-shaped and other forms according to certain specification and size after finishing relevant processing procedures of polymerization and the like, so that the subsequent operations of packaging, transporting, storing, further forming and the like of the modified polypropylene material are convenient, and the modified polypropylene granulator is generally used. In the normal processing process, firstly, the modified polypropylene material processed into continuous long strips or blocks is stably conveyed into a granulator through a specific conveying device, a cylindrical granulating cutter is generally arranged in the granulator, and the entering strip-shaped modified polypropylene material is cut into granules through high-speed rotation of the granulating cutter, but in the granulating process, when the modified polypropylene material is cut and broken into a granule shape in an instant, the process is similar to the crushing operation of solid, a certain amount of tiny fragments are inevitably separated from a material main body, dust is formed, the dust not only influences the working environment of the material, but also causes dust to be adsorbed on the outer side of the granulated material, and the appearance quality of the granules is influenced. Disclosure of utility model The utility model aims to provide a modified polypropylene granulator, which aims to solve the problems in the prior art. In order to solve the technical problems, the utility model provides the technical scheme that the modified polypropylene granulator comprises a granulator, wherein one side of the inner wall of the granulator is in running fit with a driving roller, a plurality of granulator knives are fixedly connected to the driving roller, a negative pressure cavity is arranged in the granulator, a linkage opening is formed in the upper side of the negative pressure cavity, a first filter screen is fixedly connected to the inner wall of the linkage opening, a driving opening is formed in the granulator and positioned on one side of the negative pressure cavity, and two air extractors matched with the negative pressure cavity are fixedly connected to one side of the inner wall of the driving opening; The utility model discloses a grain cutting machine, including grain cutting box, drive roller, discharge gate inner wall's downside has been seted up, the inner wall fixedly connected with second filter screen of discharge gate, the inner wall in negative pressure chamber is provided with filter equipment, grain cutting box one side fixedly connected with drive roller matched with driving motor, grain cutting box one side is provided with feeding mechanism. According to the technical scheme, the filter assembly comprises a drawing frame which is in sliding fit with the inner wall of the negative pressure cavity, a filter opening formed in one side of the drawing frame, filter cloth fixedly connected with the inner wall of the filter opening, and an air inlet which is formed in the other side of the inner wall of the drawing frame and is matched with the communication opening. According to the technical scheme, the feeding mechanism comprises a feeding motor fixedly connected to one side of the grain cutting box and a feeding roller fixedly connected to one end of the feeding motor and located in the grain cutting box. According to the technical scheme, the baffle is fixedly connected with the inner wall of the grain cutting box, and the baffle is positioned on the upper side of the second filter screen. According to the technical scheme, one side of grain cutting box just is located discharge gate downside fixedly connected with collects the frame, one side fixedly connected with extension board of collecting the frame, the downside fixedly connected with screening motor of extension board, the downside sliding fit of collecting the frame has the grid, the output fixedly connected with crank piece of screening motor, the downside normal running fit of crank piece have with grid normal running fit's linkage piece. According to the technical scheme, one side of the grate net is fixedly connected with two guide blocks, and one side of each guide block is fixedly connected with a limiting rod which is in sliding fit with the collecting frame. According to the technical scheme, the two sides of the inner wall of the grain cutting box are fixedly connected w