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CN-224207949-U - Flame retardant extrusion granulator

CN224207949UCN 224207949 UCN224207949 UCN 224207949UCN-224207949-U

Abstract

The utility model relates to the technical field of flame retardant production, in particular to a flame retardant extrusion granulator, which comprises a granulator body, a scraping plate, an upper shell, a lower shell and a driving assembly, wherein the lower shell is arranged at the top of one end of the granulator body and is communicated with the granulator body, a screen for screening flame retardant raw materials in a use state is arranged in the middle of the inner side of the shell, the upper shell is arranged at the top end of the lower shell and is communicated with the lower shell, and a crushing assembly which extends towards the inner side of the lower shell and crushes the flame retardant raw materials in the use state is arranged above the middle of the top end of the upper shell and is positioned above the screen. According to the utility model, the raw materials fall along the inner side of the lower shell to the screen mesh, and are contacted with the crushing assembly in the falling process to generate impact and cutting force, so that the raw materials fall on the screen mesh after being crushed, and meanwhile, the crushing assembly drives the scraping plate to rotate in the screen mesh, so that the raw materials are conveyed into the granulator body, the raw material mobility is improved, the high-efficiency and smooth feeding process is ensured, and the production efficiency is remarkably improved.

Inventors

  • MENG YONG
  • WANG ZHONG
  • TIAN XIAOJUN
  • BI RAN

Assignees

  • 南京方强科技开发有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (8)

  1. 1. The flame retardant extrusion granulator is characterized by comprising a granulator body (1), a scraping plate (15), an upper shell, a lower shell and a driving assembly; The lower shell is arranged at the top of one end of the granulator body (1) and is communicated with the granulator body (1), and a screen (10) for screening the flame retardant raw materials in a use state is arranged in the middle of the inner side of the shell; The upper shell is arranged at the top end of the lower shell and is communicated with the lower shell, and a crushing assembly which extends towards the inner side of the lower shell and crushes the flame retardant raw material in a use state is arranged in the middle of the top end of the upper shell and above the screen (10); the driving component is arranged on the side surface of the upper shell and connected with the crushing component; The number of the scraping plates (15) is at least one, and the scraping plates (15) are arranged at the bottom end of the crushing assembly and are movably connected with the screen (10).
  2. 2. A flame retardant extrusion granulator according to claim 1, characterized in that the lower housing comprises a conveying shell (2) and a crushing shell (4); the conveying shell (2) is arranged at the top end of the granulator body (1) and is communicated with the granulator body (1); the crushing shell (4) is arranged at the top end of the conveying shell (2) and is communicated with the conveying shell (2), and the inner diameter value of the crushing shell (4) gradually decreases from the conveying shell (2) towards the upper shell along the height direction of the crushing shell (4).
  3. 3. A flame retardant extrusion granulator according to claim 2, characterized in that the bottom end of the crushing shell (4), the conveying shell (2) and the top end of the screen (10) are provided with flange plates (3), the screen (10) is located between the conveying shell (2) and the crushing shell (4), and the three flange plates (3) are stacked and connected by bolts.
  4. 4. A flame retardant extrusion granulator according to claim 2, wherein the upper housing comprises a containment shell (5) and a cover plate (16); The material containing shell (5) is arranged at the top end of the crushing shell (4) and is communicated with the crushing shell (4), and the inner diameter value of the material containing shell (5) is gradually increased from the crushing shell (4) to the upper part of the material containing shell (5) along the height direction of the material containing shell (5); the cover plate (16) is arranged at the top end of the material containing shell (5), and one side of the top end is provided with a feed inlet.
  5. 5. A flame retardant extrusion granulator according to claim 4, characterized in that the crushing assembly comprises a rotating shaft (6) and a crushing blade (14); The rotating shaft (6) is rotatably arranged in the middle of the cover plate (16) and the bottom end of the rotating shaft extends to the inner side of the conveying shell (2); The number of the crushing cutters (14) is multiple, and the crushing cutters (14) are equidistantly arranged on the outer side of the rotating shaft (6) and positioned on the inner side of the crushing shell (4).
  6. 6. A flame retardant extruding granulator according to claim 5, wherein the crushing blades (14) are staggered according to the center of the rotary shaft (6), and the ends of the crushing blades (14) are spaced from the inner wall of the crushing shell (4) with the same size.
  7. 7. The flame retardant extrusion granulator according to claim 5, wherein the outside of the rotating shaft (6) is positioned above the crushing knife (14) and the inside of the material containing shell (5) is provided with a guide block (13) and a spiral plate (12).
  8. 8. A fire retardant extrusion granulator according to claim 2, characterized in that the inner side of the conveying shell (2) is provided with a support frame (11), and the support frame (11) is sleeved at the bottom end of the screen (10).

Description

Flame retardant extrusion granulator Technical Field The utility model relates to the technical field of flame retardant production, in particular to a flame retardant extrusion granulator. Background Flame retardants are adjuvants used to increase the flame resistance of materials, prevent the materials from igniting and inhibit flame propagation. The Chinese patent document with the authorized bulletin number of CN214447631U discloses a flame retardant split granulating extruder capable of avoiding blocking, which comprises a crushing box, wherein the crushing box is rotationally connected with a rotating shaft, the crushing box is provided with a feed hopper, the bottom of the rotating shaft is fixedly connected with a chassis, the chassis is provided with a plurality of razors, the crushing box is provided with a connecting bin, a screen is arranged in the connecting bin, and the connecting bin is provided with an extruding cylinder. But in the above-mentioned scheme, through chassis and razor rotation centrifugal force that produces with the material after smashing to connecting the storehouse and whip, but owing to smashing and have the screen cloth between case and the connecting the storehouse, the screen cloth can block partial material for smashing and easily accumulating the material between case and the connecting the storehouse, make material transmission unsmooth, influence production efficiency. Disclosure of utility model The utility model aims to solve the problems in the background art and provides a flame retardant extrusion granulator. The technical scheme of the utility model is that the flame retardant extrusion granulator comprises a granulator body, a scraping plate, an upper shell, a lower shell and a driving component; The lower shell is arranged at the top of one end of the granulator body and is communicated with the granulator body, and a screen for screening the flame retardant raw materials in a use state is arranged in the middle of the inner side of the shell; The upper shell is arranged at the top end of the lower shell and is communicated with the lower shell, and a crushing assembly which extends towards the inner side of the lower shell and crushes the flame retardant raw material in a use state is arranged in the middle of the top end of the upper shell and above the screen; the driving component is arranged on the side surface of the upper shell and connected with the crushing component; the quantity of scraper blade is at least one, and the scraper blade sets up in crushing assembly's bottom, and with screen cloth swing joint. Preferably, the lower shell comprises a conveying shell and a crushing shell; The conveying shell is arranged at the top end of the granulator body and is communicated with the granulator body; The crushing shell is arranged at the top end of the conveying shell and communicated with the conveying shell, and the inner diameter value of the crushing shell gradually decreases from the conveying shell to the upper shell along the height direction of the crushing shell. Preferably, the bottom end of the crushing shell, the conveying shell and the top end of the screen are all provided with flange plates, the screen is positioned between the conveying shell and the crushing shell, and the three flange plates are stacked and connected through bolts. Preferably, the upper shell comprises a material containing shell and a cover plate; The inner diameter value of the material containing shell is gradually increased from the crushing shell to the upper part of the material containing shell along the height direction of the material containing shell; The apron is installed on the top of flourishing material shell and top one side has the feed inlet. Preferably, the crushing assembly comprises a rotating shaft and a crushing cutter; The rotating shaft is rotatably arranged in the middle of the cover plate, and the bottom end of the rotating shaft extends to the inner side of the conveying shell; The crushing cutter is a plurality of, and a plurality of crushing cutters are equidistantly installed in the outside of pivot and are located the inboard of crushing shell. Preferably, the crushing cutters are staggered according to the center of the rotating shaft, the end parts of the crushing cutters are provided with gaps with the inner wall of the crushing shell, and the gaps are the same in size. Preferably, the outside of the rotating shaft and above the crushing knife and the inside of the material containing shell are provided with a flow guide block and a spiral plate. Preferably, the inner side of the conveying shell is provided with a supporting frame, and the supporting frame is sleeved at the bottom end of the screen. Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: According to the utility model, the raw materials fall along the inner side of the lower shell to the screen