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CN-121989429-A - Plastic extruder for modifying and recycling aldehyde-free hot-melt edge sealing adhesive waste

CN121989429ACN 121989429 ACN121989429 ACN 121989429ACN-121989429-A

Abstract

The invention relates to the technical field of plastic extruders, and discloses a plastic extruder for modifying and recycling aldehyde-free hot melt edge sealing adhesive waste, which comprises a base, wherein a spiral conveying mechanism is arranged at the upper part of the base, a propelling component is arranged at the tail part of the spiral conveying mechanism, a driving component is arranged at the middle part of the propelling component, a material adding component is arranged at the upper part of the propelling component, a pressing component is arranged in the propelling component, the propelling component comprises a box body fixedly connected to the tail part of the spiral conveying mechanism, an extrusion opening is formed in the front end of the box body, the driving component comprises an outer ring fixedly connected to the inside of the box body, and a material distributing cylinder is rotatably connected to the inside of the outer ring. According to the invention, the intermittent ninety-degree rotation of the material distributing cylinder is realized by arranging the material distributing cylinder to match with the meshing transmission of the driving wheel and the full bevel gear, and the material distributing cylinder is used for realizing the dispersion treatment of the waste melt by dividing the continuously conveyed melt into a plurality of batches of materials, so that the contact area of the modifier and the waste melt is increased, and the mixing uniformity is improved.

Inventors

  • HAN KEJIN
  • ZHANG FAN
  • WANG YIBO
  • ZHOU LUMING

Assignees

  • 万华生态科技(临沂)有限公司

Dates

Publication Date
20260508
Application Date
20260325

Claims (10)

  1. 1. The plastic extruder for modifying and recycling the formaldehyde-free hot melt edge sealing adhesive waste is characterized by comprising a base (1), wherein a spiral conveying mechanism (2) is arranged at the upper part of the base (1), a heating box (3) is arranged outside the spiral conveying mechanism (2), a feeding pipe (4) is arranged at the upper part of the spiral conveying mechanism (2), a propelling component (5) is arranged at the tail part of the spiral conveying mechanism (2), a driving component (6) is arranged at the middle part of the propelling component (5), a material adding component (7) is arranged at the upper part of the propelling component (5), and a pressing component (9) is arranged inside the propelling component (5); The propelling component (5) comprises a box body (51) fixedly connected to the tail of the spiral conveying mechanism (2), and an extrusion opening (52) is formed in the front end of the box body (51); Wherein, drive assembly (6) are including fixed connection at the inside outer loop (61) of box (51), the inside rotation of outer loop (61) is connected with branch feed cylinder (62), the inner wall fixedly connected with axostylus axostyle (67) of box (51), the surface movable sleeve of axostylus axostyle (67) is equipped with strip shaped plate (68), the middle part activity of strip shaped plate (68) is interluded there is transfer line (69), the one end fixedly connected with arc ring gear (611) that axostylus axostyle (67) are kept away from to strip shaped plate (68).
  2. 2. The plastic extruder for modifying and recycling the formaldehyde-free hot melt edge sealing adhesive waste according to claim 1, wherein a center rod (63) is fixedly inserted in the middle of the material distributing cylinder (62), a full bevel gear (64) is fixedly connected to the top end of the center rod (63), a motor (65) is arranged on the outer surface of the box body (51), a driving wheel (66) is fixedly connected to the driving end of the motor (65), and the driving wheel (66) is indirectly meshed with the full bevel gear (64).
  3. 3. The plastic extruder for modifying and recycling the formaldehyde-free hot-melt edge sealing adhesive waste according to claim 2, wherein the end part of the transmission rod (69) is fixedly connected to the outer surface of the driving wheel (66) near the edge, a strip-shaped groove (610) is formed in the outer surface of the strip-shaped plate (68) in a penetrating manner, and the transmission rod (69) is slidably connected to the inside of the strip-shaped groove (610).
  4. 4. The plastic extruder for modifying and recycling aldehyde-free hot melt edge sealing adhesive waste according to claim 1, wherein the material adding component (7) comprises an additive box (71) arranged on the upper portion of the box body (51), a hollow cylinder (72) is fixedly connected to a bottom pipeline of the additive box (71), a rotary table (73) is rotatably connected to the inside of the hollow cylinder (72), a receiving groove (74) is formed in the outer surface of the rotary table (73), the end portion of the transmission rod (69) is fixedly connected to the middle portion of the rotary table (73), and an adjusting component (8) is arranged on the outer surface of the hollow cylinder (72).
  5. 5. The plastic extruder for modifying and recycling aldehyde-free hot-melt edge sealing adhesive waste according to claim 4, wherein an edge groove (75) is formed in the outer surface of the rotary disc (73), the edge groove (75) is arranged beside the bearing groove (74), a top block (76) is movably connected to the inside of the edge groove (75), a first spring (77) is fixedly connected to one end, extending into the edge groove (75), of the top block (76), and one end, away from the top block (76), of the first spring (77) is fixedly connected to the inner wall of the edge groove (75).
  6. 6. The plastic extruder for modifying and recycling formaldehyde-free hot-melt edge sealing adhesive waste according to claim 4, wherein the adjusting component (8) comprises a T-shaped plate (81) movably inserted at the bottom of the receiving groove (74), an arc-shaped plate (82) is fixedly connected to the bottom end of the T-shaped plate (81), a threaded sleeve (83) is fixedly inserted on the outer surface of the hollow cylinder (72), a threaded rod (84) is connected to the inner thread of the threaded sleeve (83), a round table block (85) is fixedly connected to one end of the threaded rod (84) extending into the rotary table (73), the round table block (85) is abutted to the lower surface of the arc-shaped plate (82), and a second spring (810) is sleeved on the outer surface of the T-shaped plate (81).
  7. 7. The plastic extruder for modifying and recycling the formaldehyde-free hot melt edge sealing adhesive waste material, as set forth in claim 6, characterized in that a rotary rod (86) is movably inserted into the side edge of the box body (51), one end of the rotary rod (86) extending into the box body (51) is sleeved on the outer surface of the threaded rod (84), a cavity (87) is formed in the end portion of the rotary rod (86), a butt joint wheel (88) is fixedly connected to one end of the threaded rod (84) extending into the rotary rod (86), the butt joint wheel (88) is arranged in the cavity (87), and a butt joint groove (89) is formed in the inner wall of the cavity (87).
  8. 8. The plastic extruder for modifying and recycling the formaldehyde-free hot-melt edge sealing adhesive waste according to claim 1, wherein the pressing assembly (9) comprises a bracket (91) fixedly connected inside the box body (51), a limiting rod (92) is fixedly connected to the upper portion of the bracket (91), a rack column (93) is movably sleeved on the outer surface of the limiting rod (92), a pressing plate (94) is fixedly connected to the bottom end of the rack column (93), and the rack column (93) is meshed with the arc-shaped gear ring (611).
  9. 9. The plastic extruder for modifying and recycling the formaldehyde-free hot-melt edge sealing adhesive waste according to claim 8, wherein a limiting ring (95) is fixedly connected to the middle of the limiting rod (92), a spiral groove rod (96) is movably inserted in the middle of the limiting ring (95), the bottom end of the spiral groove rod (96) penetrates through the pressing plate (94) and is rotationally connected with the pressing plate (94), and a stirring rod (97) is fixedly connected to the bottom end of the spiral groove rod (96).
  10. 10. The plastic extruder for modifying and recycling the formaldehyde-free hot melt edge sealing adhesive waste according to claim 1, wherein a channel (53) is arranged in the box body (51), a pushing mechanism (54) is arranged in the channel (53), and an extrusion pipe (55) is arranged on one side, away from the screw conveying mechanism (2), of the box body (51).

Description

Plastic extruder for modifying and recycling aldehyde-free hot-melt edge sealing adhesive waste Technical Field The invention relates to the technical field of plastic extruders, in particular to a plastic extruder for modifying and recycling waste materials of an aldehyde-free hot-melt edge sealing adhesive. Background The formaldehyde-free hot-melt edge sealing adhesive is a thermoplastic adhesive without formaldehyde components, is mainly applied to edge sealing processes of wooden products such as plate furniture and custom cabinets, waste materials of the formaldehyde-free hot-melt edge sealing adhesive in the production or use process can be modified and reused after being reprocessed, a plastic extruder is needed to be used, the waste materials are cleaned and chopped and then added into the screw extruder, and the melt materials are mixed with a modifier to be molded into products for extrusion cooling, so that plastic waste recycling is realized. In the prior art, chinese patent document with publication number CN118322518B proposes a twin-screw extruder for plastic processing, which comprises a main body and a movable groove, wherein the movable groove is formed on one side of the main body, the top of the main body is fixedly connected with a reinforcing table, the top of the reinforcing table is fixedly connected with a control main body, the front and back outer walls of the control main body are fixedly connected with two shrinkage cavities, the twin-screw extruder further comprises a feeding mechanism, the feeding mechanism is arranged on the top of the main body, and the feeding mechanism comprises a lifting groove frame. Aiming at the defects of the prior art, the inventor considers that in the recycling and processing process of plastic waste, aiming at partial temperature-sensitive modifier, the modifier needs to be added after the waste is melted to be in a fluid state, and the fusion of the modifier and the melted waste is mainly dependent on the self-diffusion of molecules and lacks an active strengthening and mixing action mechanism, so that the problems of uneven dispersion and insufficient fusion of the modifier are extremely easy to occur, and further, the defect of local performance of the regenerated plastic extruded product is caused, and the integral quality and the application stability of the product are influenced. Disclosure of Invention The invention aims to solve the technical problems that in the prior art, the defect of regeneration products is caused by insufficient diffusion and uneven dispersion due to the fact that a temperature-sensitive modifier is added after melting in plastic waste recycling processing, and therefore, the invention provides an aldehyde-free hot-melt edge sealing adhesive waste modified recycling plastic extruder. In order to achieve the aim, the application adopts the following technical scheme that the plastic extruder for modifying and recycling the aldehyde-free hot melt edge sealing adhesive waste comprises a base, wherein the upper part of the base is provided with a spiral conveying mechanism, the outside of the spiral conveying mechanism is provided with a heating box, the upper part of the spiral conveying mechanism is provided with a feeding pipe, the tail part of the spiral conveying mechanism is provided with a propelling component, the middle part of the propelling component is provided with a driving component, the upper part of the propelling component is provided with a material adding component, and the inside of the propelling component is provided with a pressing component; the propelling component comprises a box body fixedly connected to the tail of the spiral conveying mechanism, and an extrusion opening is formed in the front end of the box body; The driving assembly comprises an outer ring fixedly connected inside the box body, a distributing cylinder is rotatably connected inside the outer ring, a shaft rod is fixedly connected to the inner wall of the box body, a strip-shaped plate is movably sleeved on the outer surface of the shaft rod, a transmission rod is movably inserted in the middle of the strip-shaped plate, and an arc-shaped gear ring is fixedly connected to one end, far away from the shaft rod, of the strip-shaped plate. Preferably, the middle part of the feed distributing cylinder is fixedly inserted with a center rod, the top end of the center rod is fixedly connected with a full bevel gear, the outer surface of the box body is provided with a motor, the driving end of the motor is fixedly connected with a driving wheel, and the driving wheel is indirectly meshed with the full bevel gear. Preferably, the end part of the transmission rod is fixedly connected to the outer surface of the driving wheel close to the edge, a strip-shaped groove is formed in the outer surface of the strip-shaped plate in a penetrating mode, and the transmission rod is slidably connected to the inside of the strip-shaped groove. Pr