Extrusion device for polyolefin material

By designing uniform loading assembly and auxiliary replacement assembly in the polyolefin material extrusion device, the problem of discontinuity of material extrusion in the prior art is solved, and rapid replacement and maintenance of the discharge module is realized.

CN222946161UActive Publication Date: 2025-06-06QINGDAO LUDU SHUANGDING NEW BUILDING MATERIALS TECHNOLOGY DEVELOPMENT CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422129026.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-31
Publication Date
2025-06-06
Estimated Expiration
2034-08-31

AI Technical Summary

Technical Problem

When the existing polyolefin material extrusion device is rotated and adjusted, the non-overlapping area will not be cut, which will affect the continuity of material extrusion.

Method used

An extrusion device is designed including a uniform loading assembly and an auxiliary replacement assembly. The uniform loading assembly achieves uniform loading and continuous loading of materials through gear boxes, pulleys and conveying belts. Auxiliary replacement assembly facilitates quick replacement and repair of the discharge module by adjusting the motor, adjusting the screw and flip frame.

Benefits of technology

Continuous extrusion processing of materials is achieved, avoiding affecting normal processing, and simplifying the replacement and maintenance process of the discharge module.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222946161U_ABST
    Figure CN222946161U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of advanced polymer and metal materials, and discloses a polyolefin material extrusion device which comprises an extrusion barrel, uniform feeding components are arranged on the front surface and the top of the extrusion barrel and used for realizing uniform feeding processing, and an auxiliary replacement component is arranged on the back surface of the extrusion barrel. According to the extrusion device for the polyolefin material, the uniform feeding assembly is installed, rotation kinetic energy of a driving motor is transmitted through a belt wheel and a conveying belt, the rotation speed of a feeding structure and the rotation speed of an extrusion structure are kept synchronous, machining continuity is kept, then a rotating partition plate is controlled to rotate through kinetic energy transmission, and uniform feeding is achieved; materials in the material storage box are kept to be sequentially stored in interval areas of the rotating partition plates under the limitation of the feeding frame, the materials in the material storage box are driven to be evenly discharged into the material extruding barrel in the rotating process to be continuously extruded and machined, and normal machining is prevented from being affected.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of advanced polymer and metal materials, in particular to an extrusion device for polyolefin materials. Background Art

[0002] Polyolefin material is a high-strength, high-rigidity polymer foam material. When processing, it is necessary to use the foaming properties to achieve extrusion processing. The polyolefin material mixed with plastic fibers is injected into the extrusion device, and the internal twin-screw structure is used to mix and heat to achieve foaming. Finally, the product is extruded through the mold opening at the end to achieve product processing.

[0003] Chinese Patent Publication No.: CN209552405U discloses "A Polyolefin Material Extrusion Device", which includes a frame, a barrel is installed above the frame, a first rotating shaft is rotatably connected inside the barrel, a spiral blade is installed on the outside of the first rotating shaft, a driving motor and a reducer are respectively installed above the frame on one side of the barrel, the output end of the driving motor is connected to the input end of the reducer through a coupling, and the output end of the reducer is connected to one end of the first rotating shaft through a coupling, a feeding box is installed on one side above the barrel, and a feeding pipe is connected to the bottom end of the feeding box, polyolefin material is put into the feeding box, and the turntable is rotated to adjust the overlapping position between the first feeding port and the second feeding port, so as to realize the size of the feeding amount inside the feeding box, the material to be fed enters the barrel from the feeding pipe, and the driving motor drives the first rotating shaft to rotate through the reducer, so that the spiral blade rotates to extrude the material.

[0004] In the prior art, when in use, a rotating structure is provided to control the overlap of the feed openings, thereby controlling the feed amount. However, when rotating and adjusting, non-overlapping areas will not feed, which will affect the continuity of material extrusion. Utility Model Content

[0005] The purpose of the utility model is to provide an extrusion device for polyolefin materials, so as to solve the problem in the above-mentioned background technology that a rotating structure is provided to control the overlap of the feed openings, thereby achieving control of the feed amount, but the non-overlapping areas do not feed during rotation adjustment, which will affect the continuity of material extrusion. By providing a uniform feeding component, the continuity of feeding can be effectively achieved.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an extrusion device for polyolefin materials, comprising an extrusion barrel, a uniform feeding assembly is arranged on the front and top of the extrusion barrel, and the uniform feeding assembly is used to realize uniform feeding processing, an auxiliary replacement assembly is arranged on the back of the extrusion barrel, and the auxiliary replacement assembly is used to replace the discharge module;

[0007] The uniform feeding assembly includes a gear box, and two sets of pulleys are arranged on the front of the left end of the gear box, a transmission belt is arranged on the outside of the pulley, and a rotating partition is arranged on the back of the pulley, and a feeding frame is arranged on the outside of the rotating partition;

[0008] The auxiliary replacement component includes two groups of adjusting motors, and an adjusting screw is arranged at the output end of the adjusting motor, an adjusting block is arranged on the outside of the adjusting screw, and a movable plate is installed on the bottom or top of the adjusting block, a flip frame is arranged on the outside of the back side of the movable plate, and a discharge module is movably arranged on the inside of the flip frame.

[0009] Preferably, a heating chamber is provided on the inner wall of the extrusion barrel, and a water inlet pipe is installed on the right side of the back side of the heating chamber, and two sets of driving gears are provided on the inner side of the gear box.

[0010] Preferably, a water outlet pipe is installed on the left side of the front side of the heating chamber, and two groups of bottom brackets are installed at the bottom of the extrusion barrel.

[0011] Preferably, a driving motor is installed on the front of the right end of the gear box, and a driving shaft is provided at the output end of the driving motor. The driving shaft is located on the inner side of the driving gear, and two sets of rotating screws are meshedly provided on the outer side of the back side of the driving gear.

[0012] Preferably, a transmission shaft is installed in the middle of the pulley, and the transmission shaft is located in front of the rotating screw, a storage box is installed on the top of the loading frame, and a support plate is installed at the bottom of the back of the storage box.

[0013] Preferably, a positioning plate is installed at the bottom or top of the regulating motor, and three groups of limiting guide rods are installed on the back of the positioning plate, and the limiting guide rods are located on the inner side of the movable plate.

[0014] Preferably, a fixed shaft is installed on the outer side of the movable plate, and the fixed shaft is located on the inner side of the flip frame.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] 1. The utility model is equipped with a uniform feeding component, which uses a pulley and a transmission belt to transfer the rotational kinetic energy of the driving motor, keeps the rotation speed of the feeding structure and the extrusion structure synchronized to maintain the continuity of the processing, and then controls the rotation of the rotating partition through kinetic energy transmission to achieve uniform feeding. Under the restriction of the feeding frame, the materials inside the storage box are stored in the interval area of ​​the rotating partition in sequence. During the rotation process, the internal materials will be driven to be uniformly fed into the extrusion barrel for continuous extrusion processing to avoid affecting the normal processing.

[0017] 2. The utility model is equipped with an auxiliary replacement component, so the existing module structure of the extrusion structure discharge cannot be quickly replaced, which is inconvenient for the staff to operate. By installing an adjusting motor, the adjusting screw can be driven to rotate, and then the rotation of the adjusting screw is used to control the adjustment block and the movable plate to adjust the position. The adjustment will drive the flip frame on the back to extend outward, and the flip frame can be rotated to adjust the angle to facilitate cleaning or disassembly and maintenance of the interior. On the other hand, the discharge module can be flexibly replaced to meet different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the flip frame of the utility model;

[0020] Figure 3 This is a cross-sectional schematic diagram of the rotary partition of the utility model;

[0021] Figure 4 It is a cross-sectional schematic diagram of the driving gear of the utility model.

[0022] Wherein: 1. extrusion barrel; 101. heating chamber; 102. water inlet pipe; 103. water outlet pipe; 104. bottom bracket; 105. gear box; 106. driving gear; 2. rotating screw; 201. driving motor; 202. driving shaft; 3. loading frame; 301. transmission shaft; 302. pulley; 303. transmission belt; 304. rotating partition; 305. storage box; 306. support plate; 4. limiting guide rod; 401. positioning plate; 402. adjusting motor; 403. adjusting screw; 5. flip frame; 501. adjusting block; 502. movable plate; 503. fixed shaft; 504. discharging module. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , a polyolefin material extrusion device, comprising an extrusion barrel 1, a uniform feeding assembly is arranged on the front and top of the extrusion barrel 1, and the uniform feeding assembly is used to realize uniform feeding processing, and an auxiliary replacement assembly is arranged on the back of the extrusion barrel 1, and the auxiliary replacement assembly is used to replace the discharge module;

[0025] The uniform feeding assembly includes a gear box 105, and two sets of pulleys 302 are arranged on the front of the left end of the gear box 105, a transmission belt 303 is arranged on the outside of the pulley 302, and a rotating partition 304 is arranged on the back of the pulley 302, and a feeding frame 3 is arranged on the outside of the rotating partition 304;

[0026] The auxiliary replacement assembly includes two sets of adjusting motors 402, and an adjusting screw 403 is arranged at the output end of the adjusting motor 402, an adjusting block 501 is arranged on the outside of the adjusting screw 403, and a movable plate 502 is installed on the bottom or top of the adjusting block 501, a flip frame 5 is arranged on the outside of the back side of the movable plate 502, and a discharge module 504 is movably arranged on the inside of the flip frame 5.

[0027] Through the above technical scheme, the rotational kinetic energy of the drive motor 201 is transmitted by means of the pulley 302 and the transmission belt 303, the rotation speeds of the feeding structure and the extrusion structure are kept synchronized to maintain the continuity of the processing, and then the rotating baffle 304 is controlled to rotate through the kinetic energy transmission to achieve uniform feeding. Under the restriction of the feeding frame 3, the materials inside the storage box 305 are stored in the interval area of ​​the rotating baffle 304 in sequence. During the rotation process, the internal materials will be evenly discharged into the extrusion barrel 1 for continuous extrusion processing to avoid affecting the normal processing.

[0028] Through the above technical solution, the adjusting screw 403 can be driven to rotate by installing the adjusting motor 402, and the rotation of the adjusting screw 403 is used to control the adjusting block 501 and the movable plate 502 to adjust the position. The adjustment will drive the flip frame 5 on the back to extend outward, and the flip frame 5 can be rotated to adjust the angle to facilitate cleaning or disassembly and maintenance of the interior. On the other hand, the discharge module 504 can be flexibly replaced to meet different needs.

[0029] Specifically, a heating chamber 101 is disposed on the inner wall of the extrusion barrel 1 , and a water inlet pipe 102 is installed on the right side of the back side of the heating chamber 101 , and two sets of driving gears 106 are disposed on the inner side of the gear box 105 .

[0030] Through the above technical solution, the heating chamber 101 can be heated to prevent the internal material from solidifying, and the high-temperature liquid or the whole enters the interior through the water inlet pipe 102 and is discharged from the water outlet pipe 103.

[0031] Specifically, a water outlet pipe 103 is installed on the left side of the front of the heating chamber 101 , and two groups of bottom brackets 104 are installed on the bottom of the extrusion barrel 1 .

[0032] Through the above technical solution, the bottom bracket 104 can provide support for the overall structure of the top and increase stability.

[0033] Specifically, a driving motor 201 is installed on the front of the right end of the gear box 105, and a driving shaft 202 is provided at the output end of the driving motor 201. The driving shaft 202 is located on the inner side of the driving gear 106, and two sets of rotating screws 2 are meshedly provided on the outer side of the back side of the driving gear 106.

[0034] Through the above technical solution, the driving motor 201 can be powered on to drive the active shaft 202 at the output end to rotate, and the internal materials can be fused and extruded by rotating the screw 2.

[0035] Specifically, a transmission shaft 301 is installed in the middle of the pulley 302, and the transmission shaft 301 is located in front of the rotating screw 2. A storage box 305 is installed on the top of the loading frame 3, and a support plate 306 is installed at the bottom of the back of the storage box 305.

[0036] Through the above technical solution, the transmission shaft 301 can transfer kinetic energy, the material storage box 305 can be used to store the materials to be processed, and the support plate 306 can be used to provide support for the top material storage box 305.

[0037] Specifically, a positioning plate 401 is installed at the bottom or top of the adjusting motor 402 , and three groups of limiting guide rods 4 are installed on the back of the positioning plate 401 . The limiting guide rods 4 are located on the inner side of the movable plate 502 .

[0038] Through the above technical solution, the positioning plate 401 can fix the adjusting motor 402, and the limiting guide rod 4 can be used to limit the stable movement of the movable plate 502.

[0039] Specifically, a fixed shaft 503 is installed on the outer side of the movable plate 502 , and the fixed shaft 503 is located on the inner side of the flip frame 5 .

[0040] Through the above technical solution, the fixed shaft 503 is used to limit the flip frame 5, and the outlet area can be exposed by flipping, which is convenient for disassembly and maintenance.

[0041] When in use, first pour the material into the inner side of the storage box 305, and then drive the driving motor 201 to drive the active gear 106 and the rotating screw 2 to rotate. When the gear rotates, it will drive the pulley 302 and the transmission belt 303 to adjust, thereby controlling the rotating partition 304 to evenly introduce the inner material into the interior of the extrusion barrel 1. The material is squeezed on the inner side of the rotating screw 2 and can be transmitted to the end. During the extrusion process, the heating chamber 101 can maintain a constant temperature and finally extrude it through the discharging module 504 on the back. When the discharging module 504 needs to be replaced or repaired, the adjusting motor 402 can be used to drive the adjusting screw 403 to rotate, and the transmission drives the adjusting block 501 and the movable plate 502 to expand outward. The expansion will control the flip frame 5 to separate from the area on the back of the extrusion barrel 1, and then control the flip frame 5 to flip along the fixed axis 503. After flipping, the discharging module 504 can be replaced or repaired.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyolefin material extrusion device, comprising an extrusion barrel (1), characterized in that: The front and top of the extrusion barrel (1) are provided with uniform feeding components, and the uniform feeding components are used to achieve uniform feeding processing; the back of the extrusion barrel (1) is provided with an auxiliary replacement component, and the auxiliary replacement component is used to replace the discharge module; The uniform feeding component comprises a gear box (105), and two groups of pulleys (302) are arranged on the front of the left end of the gear box (105), a transmission belt (303) is arranged on the outside of the pulleys (302), and a rotating partition (304) is arranged on the back of the pulleys (302), and a feeding frame (3) is arranged on the outside of the rotating partition (304); The auxiliary replacement assembly comprises two groups of adjustment motors (402), and the output end of the adjustment motor (402) is provided with an adjustment screw (403), the outer side of the adjustment screw (403) is provided with an adjustment block (501), and the bottom or top of the adjustment block (501) is installed with a movable plate (502), the outer side of the back side of the movable plate (502) is provided with a flip frame (5), and the inner side of the flip frame (5) is movably provided with a discharge module (504).

2. The extrusion device of a polyolefin material according to claim 1, characterized in that: The inner wall of the extrusion barrel (1) is provided with a heating chamber (101), and a water inlet pipe (102) is installed on the right side of the back of the heating chamber (101), and two sets of driving gears (106) are provided on the inner side of the gear box (105).

3. The extrusion device of a polyolefin material according to claim 2, characterized in that: A water outlet pipe (103) is installed on the left side of the front face of the heating chamber (101), and two groups of bottom brackets (104) are installed on the bottom of the extrusion barrel (1).

4. The extrusion device of a polyolefin material according to claim 1, characterized in that: A driving motor (201) is installed on the front side of the right end of the gear box (105), and a driving shaft (202) is provided at the output end of the driving motor (201). The driving shaft (202) is located on the inner side of the driving gear (106), and two sets of rotating screws (2) are meshedly provided on the outer side of the back side of the driving gear (106).

5. The extrusion device of a polyolefin material according to claim 1, characterized in that: A transmission shaft (301) is installed in the middle of the pulley (302), and the transmission shaft (301) is located on the front side of the rotating screw (2). A material storage box (305) is installed on the top of the loading frame (3), and a support plate (306) is installed at the bottom of the back side of the material storage box (305).

6. The extrusion device for polyolefin material according to claim 1, characterized in that: A positioning plate (401) is installed at the bottom or top of the regulating motor (402), and three groups of limiting guide rods (4) are installed on the back of the positioning plate (401), wherein the limiting guide rods (4) are located on the inner side of the movable plate (502).

7. The extrusion device for polyolefin material according to claim 1, characterized in that: A fixed shaft (503) is installed on the outer side of the movable plate (502), and the fixed shaft (503) is located on the inner side of the turning frame (5).

Citation Information

Patent Citations

  • Extrusion device for polyolefin material

    CN209552405U