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CN-121535868-B - Plastic bonding resin particle granulating device and process

CN121535868BCN 121535868 BCN121535868 BCN 121535868BCN-121535868-B

Abstract

The invention relates to a plastic bonding resin particle granulating device and a plastic bonding resin particle granulating process, and relates to the technical field of granulating equipment, wherein the plastic bonding resin particle granulating device comprises an outer bracket, a feed hopper, a conical pressurizing pipe, a heat conveying pipe and a cooling discharge hopper which are fixedly arranged in a communicating manner from top to bottom; the extrusion holes are annularly distributed on four sides of the heat conveying pipe, the extrusion area and the extrusion range of the materials can be increased, and the rotating shaft carries out reverse relatively slow differential rotation through the annular cutting cylinder of the planetary gear synchronous belt, so that the L-shaped cutter with the detachable notch can carry out annular cutting on strip-shaped melt materials extruded by the extrusion holes, and the annular cutting discharging mode is ingenious in structure, low in production cost and high in discharging efficiency.

Inventors

  • WU LONGJIE
  • Fang Yaozong
  • CHEN ZHIGUO

Assignees

  • 科艾斯化学有限公司

Dates

Publication Date
20260508
Application Date
20260120

Claims (9)

  1. 1. The plastic bonding resin particle granulating device is characterized by comprising an outer bracket (1), a feed hopper (2), a conical pressurizing pipe (3), a heat conveying pipe (4) and a cooling discharge hopper (5) which are fixedly arranged in a communicating manner from top to bottom, wherein the cooling discharge hopper (5) and the feed hopper (2) are fixedly connected with the outer bracket (1), and a refrigerator (51) is arranged at one side of the cooling discharge hopper (5); A transverse plate (21) is arranged on the upper side of the feed hopper (2), a rotating shaft (71) is rotatably arranged in the middle of the transverse plate (21), the rotating shaft (71) penetrates through the inner sides of the feed hopper (2), the conical pressurizing pipe (3) and the heat conveying pipe (4) and is positioned in the cooling discharge hopper (5), and a driving motor (7) for driving the rotating shaft (71) to rotate is arranged on the transverse plate (21); The stirring rod (73), the conical spiral auger (31) and the spiral auger (42) which are matched are respectively arranged on a rotating shaft (71) at the inner side of the feed hopper (2), the conical pressurizing pipe (3) and the heat conveying pipe (4), stirring, dispersing, pressurizing, melting and high-speed extrusion are simultaneously carried out on materials when the rotating shaft (71) rotates, a plurality of extrusion holes (41) communicated with the cooling discharging hopper (5) are formed in an annular array at the lower side of the heat conveying pipe (4), a circular cutting cylinder (6) is sleeved on the lower side of the heat conveying pipe (4) in a rotating mode, a plurality of notches (61) corresponding to the peripheries of the extrusion holes (41) are formed in the side surface of the circular cutting cylinder (6), L-shaped cutters (62) are detachably connected to the left side and the right side of each notch (61), and the edges of the L-shaped cutters (62) are attached to the outer surfaces of the extrusion holes (41); planetary gears (9) are rotatably arranged at the bottoms of the circular cutting drums (6), the planetary gears (9) are located on the inner sides of the circular cutting drums (6), and a rotating shaft (71) is connected with the circular cutting drums (6) in a differential rotation mode through the planetary gears (9), when the rotating shaft (71) rotates, the circular cutting drums (6) are driven to rotate in a differential mode through the planetary gears (9), L-shaped cutters (62) on all the notches (61) do annular rotation operation along extrusion holes (41), and then circular cutting is conducted on materials extruded through the extrusion holes (41) corresponding to the notches (61).
  2. 2. The granulating apparatus for plastic-bonded resin particles according to claim 1, wherein an electric heating plate (44) is installed on the upper side of the inside of the circular cutting cylinder (6), the lower side of the heat transfer pipe (4) is positioned in the cooling discharge hopper (5), each extrusion hole (41) is positioned in the cooling discharge hopper (5), the material extruded by the lower side of the inside of the heat transfer pipe (4) and the extrusion holes (41) is cooled, and a side air hole (52) is formed on one side of the cooling discharge hopper (5).
  3. 3. The plastic bonding resin granule granulating device according to claim 1, wherein the L-shaped cutter (62) is locked on the left side and the right side of the notch (61) through screws, the lower side of the notch (61) is an inclined plane, and the inner side of the circular cutting cylinder (6) is rotatably connected with the lower side of the heat conveying pipe (4) through a bearing (63).
  4. 4. A plastic bonding resin particle granulating device according to claim 3, wherein a plurality of dispersing bars (731) are arranged in the middle of the stirring rod (73), a scraper (732) is arranged at the tail end of the stirring rod (73), the scraper (732) is attached to the inner wall of the feed hopper (2), a spindle (72) is fixedly arranged in the middle of the rotating shaft (71), the conical spiral auger (31) is fixedly arranged on the lower side of the spindle (72), the sharp corner of the top of the spindle (72) is positioned in the middle of the inner side of the feed hopper (2), and the spindle (72) is positioned below the dispersing bars (731).
  5. 5. A plastic bonding resin particle granulating device according to claim 1, wherein a plurality of side fans (8) which are staggered with the notches (61) are arranged outside the circular cutting cylinder (6) and used for improving the transverse rotation flow of cold air in the cooling outlet hopper (5), the side fans (8) are positioned at one side of an air outlet of the refrigerator (51), the side fans (8) comprise connecting rods (81) and side fan blades (82) which are mutually locked and connected through bolts, the side fan blades (82) are vertically and rotatably distributed in the cooling outlet hopper (5), and one end of each connecting rod (81) is fixedly connected with the outer side of the circular cutting cylinder (6).
  6. 6. The plastic bonding resin granule granulating device according to claim 1, wherein the planetary gear (9) comprises a sun gear (91), a toothed ring (93) and a plurality of planetary pinions (92) which are rotationally meshed between the sun gear (91) and the toothed ring (93), wherein a shaft rod is rotationally arranged in the middle of the planetary pinions (92) and is connected with an upper annular cutting cylinder (6) through the shaft rod, a connecting ring (10) is integrally arranged on the outer side of the toothed ring (93), the lower side of the connecting ring (10) extends downwards and is fixedly connected with the annular cutting cylinder (6) through screws, and the sun gear (91) is connected with a rotating shaft (71).
  7. 7. A plastic bonding resin granule granulating device as claimed in claim 1, wherein a bottom shaft (74) is arranged at the bottom end of the rotating shaft (71), the bottom shaft (74) is penetrated by a circular cutting cylinder (6) and positioned in the middle of a cooling discharging hopper (5), a bottom fan (54) is arranged in the middle of the inner side of the cooling discharging hopper (5), the bottom fan (54) is arranged on the bottom shaft (74), the diameter of the bottom fan (54) is smaller than that of the circular cutting cylinder (6), the bottom fan (54) is synchronously driven to blow upwards when the rotating shaft (71) rotates, a guide cone (11) penetrated by the bottom shaft (74) is arranged at the bottom of the circular cutting cylinder (6), and the tip of the guide cone (11) is arranged towards the bottom fan (54).
  8. 8. A granulating apparatus for plastic-bonded resin particles according to claim 1, wherein the rotary shaft (71) inside the heat transfer pipe (4) is further provided with side pushing plates (43), the side pushing plates (43) are located between the extrusion holes (41), and the ends of the side pushing plates (43) are spaced apart from the extrusion holes (41).
  9. 9. A process for plastic bonding resin particles, adopting a plastic bonding resin particle granulating device as claimed in claim 1, characterized in that after the raw materials are put into the hopper (2), a driving motor (7) is used for driving a rotating shaft (71), the rotating shaft (71) not only enables a stirring rod (73) to stir and disperse the raw materials in the hopper (2), but also enables a conical spiral auger (31) to rotate in a conical pressurizing pipe (3), the raw materials are spirally extruded and fused downwards step by step and conveyed, materials are extruded from extrusion holes (41) distributed annularly in a large range through the hot melting of a hot conveying pipe (4) and conveying of the spiral auger (42), and the annular cutting cylinder (6) is sleeved on the lower side of the hot conveying pipe (4), and the annular cutting cylinder (6) is connected with the rotating shaft (71) through a planetary gear (9), so that the annular cutting cylinder (6) can simultaneously make reverse differential motion along with the rotating shaft (71), the materials extruded by the extrusion holes (41) are extruded by cuts (61) in various directions, thus the annular cutting cylinder (6) is synchronously driven by the rotating ring cutting cylinder (62) to cool down the materials (5) from different directions, and the materials are extruded from different positions of the annular cutting cylinder (4) and the annular cutting cylinder (4) are cooled down, therefore, the material has a primary condensation effect through the lower side in the hot conveying pipe (4), and the material extruded by the extrusion holes (41) corresponding to the cut-outs (61) can be directly acted by cold air in the cooling discharge hopper (5) to accelerate the solidification of the material.

Description

Plastic bonding resin particle granulating device and process Technical Field The invention particularly relates to a granulating device and a granulating process for plastic bonding resin particles, and relates to the technical field of granulating equipment. Background In the industrial production process of plastic bonding resin particles, screw extrusion and granulating equipment is a mainstream granulating technical scheme at present, the technology generally adopts a single screw or double screw extrusion mechanism which is horizontally arranged, raw materials are pushed by simple screw conveying and finally extruded into strip melts through an annular template forming hole at the tail end of a conveying pipe, for example, in a double screw granulator for plastic particle processing and plastic particle processing technology disclosed in China patent publication No. CN113290737B, a rotating shaft is driven by a feeding motor to rotate, a spiral feeding sheet is driven by the rotating shaft to rotate, raw materials in a feeding hopper are fed into the granulator by the spiral feeding sheet, so that the blockage of a feeding pipe is avoided, the raw materials cannot enter the granulator, a gear in a speed change gear box is driven by a driving motor to rotate, and then two feeding screws are driven to rotate, so that sol materials in a shell are extruded and fed; however, the existing screw only realizes basic conveying and plasticizing, lacks synchronous high-efficiency dispersing and dynamic pressurizing hot melting capability of raw materials, and the transverse layout equipment is large in occupied area, the gravity center of the materials can shift downwards during feeding of a transverse conveying pipe, the conveying process in the adhesive resin is unfavorable for full homogenization, so that component segregation exists in particles, the adhesive property stability of a final product is influenced, meanwhile, the extrusion mode of a single panel on one side of the conveying pipe limits the discharging range and the production efficiency is low, strip-shaped melt after extrusion is required to be additionally introduced into a rotary knife set or underwater granulating equipment for cutting, the production cost and the purchase cost of the equipment are increased, and the use effect of multiple collaborative work cannot be achieved. Disclosure of Invention The invention aims to provide a plastic bonding resin particle granulating device and a plastic bonding resin particle granulating process for solving the problems in the prior art. The plastic bonding resin particle granulating device comprises an outer support, a feeding hopper, a conical pressurizing pipe, a hot conveying pipe and a cooling discharging hopper which are fixedly arranged in a communicating mode from top to bottom, wherein the cooling discharging hopper and the feeding hopper are fixedly connected with the outer support, a refrigerating machine is arranged on one side of the cooling discharging hopper, a transverse plate is arranged on the upper side of the feeding hopper, a rotating shaft is rotatably arranged in the middle of the transverse plate, the rotating shaft penetrates through the inner sides of the feeding hopper, the conical pressurizing pipe and the hot conveying pipe and is provided with a driving motor for driving the rotating shaft to rotate, a stirring rod, a conical spiral auger and a spiral auger which are matched with each other are respectively arranged on the rotating shaft on the inner sides of the feeding hopper, the conical pressurizing pipe and the hot conveying pipe are simultaneously used for stirring, dispersing, pressurizing and extruding materials at high speed when the rotating shaft rotates, a plurality of extruding holes communicated with the cooling discharging hopper are formed in a ring array on the lower side of the hot conveying pipe, a circular cutting knife is rotatably sleeved on the lower side of the hot conveying pipe, a plurality of corresponding extruding circular cutting rings are formed on the surface of the circular cutting cylinders, a plurality of the circular cutting rings are correspondingly arranged on the inner sides of the circular cutting rings, planetary cutting rings are rotatably connected with planetary cutting rings through the rotating ring cutting rings, and the planetary cutting rings are correspondingly arranged on the inner sides of the circular cutting rings, and the planetary cutting rings are rotatably connected with the rotating ring cutting rings when the planetary cutting rings are rotated, and the planetary cutting rings are correspondingly arranged on the outer side cutting rings and are rotatably through the rotating ring cutting rings. Based on the above technical scheme, the electric heating plate is installed to the inside upside of circular cutting section of thick bamboo, the heat transfer pipe downside is located the cooling and goes out the hoppe