Extrusion device for polypropylene processing

By introducing filters, agitators, and crushers into the extrusion unit for polypropylene processing, the problem of clogging by large particles has been solved, achieving automated cleaning and efficient processing.

CN223750211UActive Publication Date: 2026-01-02FUJIAN PENGDALE TECH CO LTD
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Patent Information

Application Number
CN202520690895.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-01-02
Estimated Expiration
2035-04-14

AI Technical Summary

Technical Problem

Existing polypropylene extrusion equipment is prone to clogging when filtering large particles, requiring manual intervention and affecting processing efficiency.

Method used

An auxiliary device including a filter element, a stirring assembly, a pusher block, a crushing assembly, and a shielding assembly was designed. The pusher block is driven by a cylinder to move and push large particles into the crushing assembly for crushing. The stirring motor agitates the material to reduce clogging and achieve automated cleaning.

Benefits of technology

It enables automated cleaning of large particles, reduces clogging, improves equipment usability and processing efficiency, and avoids manual intervention.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223750211U_ABST
    Figure CN223750211U_ABST
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Abstract

The utility model relates to the technical field of polypropylene processing, in particular to an extrusion device for polypropylene processing, which comprises a base and an auxiliary device, an extruder body is arranged above the base, a feed port is mounted on the surface of the extruder body, the auxiliary device is arranged in the inner wall of the feed port, and the auxiliary device comprises a filter element. The filtering piece is fixedly connected with the inner wall of the feeding port, an air cylinder is fixedly connected to the surface of one side of the feeding port, the output end of the air cylinder penetrates through the feeding port and is fixedly connected with a push block, and two ejector rods are fixedly connected to the surface of the push block. According to the extrusion device for polypropylene processing, large-particle materials in the extrusion device for polypropylene processing can be intercepted, the intercepted large-particle materials can be cleaned at regular time, blockage is reduced, the large-particle materials are crushed and discharged again, and the phenomena that workers take out the large-particle materials midway, operation is troublesome and efficiency is influenced are avoided; the overall practicability of the equipment is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polypropylene processing technical field especially relates to a kind of extrusion devices for polypropylene processing. BACKGROUND

[0002] Polypropylene is abbreviated as PP, which is a polymer formed by polypropylene through polyaddition reaction. It is a white waxy material, transparent and light in appearance. Polypropylene is often used to make cement bags. When polypropylene is processed, an extrusion device is used to heat, melt and extrude the polypropylene material into a device.

[0003] Prior art such as the utility model with publication number CN218519151U discloses an extrusion device for polypropylene processing, which comprises a vibration motor, a filter box, a filter screen, an electric heating plate and a metal heat pipe. Four support legs are symmetrically fixedly connected to the bottom of the first support frame. A support cross plate is fixedly connected between the four support legs. A polypropylene material extrusion cylinder is fixedly connected to the top of the support cross plate. A collecting hopper is fixedly connected to the top of the polypropylene material extrusion cylinder and communicates with its interior. A drive motor is fixedly connected to one end of the polypropylene material extrusion cylinder. An extrusion outlet is formed through the other end of the polypropylene material extrusion cylinder. The material is filtered through the filter screen. The large-particle material is blocked by the filter screen. The small-particle material falls through the mesh holes of the filter screen and enters the discharge hopper, thereby filtering and separating the large-particle material, improving the quality of subsequent extrusion processing, and solving the problem that the traditional extrusion device does not have a filtering function, making it inconvenient to filter and separate the large-particle material in the material, and affecting the quality of subsequent extrusion processing or even causing the extruded material to break easily.

[0004] In daily work, it is found that the above-mentioned extrusion device for polypropylene processing can intercept large-particle material, but when intercepting for a long time, the amount of large-particle material increases, which can easily cause blockage. Only vibration cannot dredge, which leads to slow discharging and affects extrusion. Subsequent manual removal of large-particle material for processing leads to inconvenient operation, which causes the existing extrusion device for polypropylene processing to easily block large-particle material and requires subsequent manual removal and processing. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problem of easy blockage of large-particle material in the prior art and subsequent manual removal and processing, and proposes an extrusion device for polypropylene processing.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of extrusion device for polypropylene processing, including base and auxiliary device, the top of the base is provided with extruder body, the surface of the extruder body is equipped with feed inlet, the auxiliary device is arranged in the inner wall of feed inlet, the auxiliary device includes filter piece, the filter piece is fixedly connected with the inner wall of feed inlet, the surface of the feed inlet side is fixedly connected with cylinder, the output end of the cylinder penetrates feed inlet and is fixedly connected with push block, the surface of the push block is fixedly connected with two top rods, the inner wall of the feed inlet is provided with shielding assembly, the outer surface of the feed inlet is fixedly connected with guide plate, the surface of the extruder body is fixedly connected with box, the inner wall of the box is provided with crushing assembly, the lower surface of the crushing assembly is fixedly connected with connecting pipe, the other end of the connecting pipe is communicated with feed inlet, the inner wall of the push block is provided with stirring assembly, by above-mentioned component, when using, filter piece can intercept large particle material, stirring assembly can stir, it is convenient to filter, after a certain period of time of filtration interception, open cylinder, cylinder can drive push block to move, push block can push away intercepted large particle material, when top rod pushes away shielding assembly, large particle material enters box through guide plate, crushing assembly crushes, and enters feed inlet through connecting pipe.

[0007] Preferably, the inner wall of the box is fixedly connected with a baffle one, and the surface of the push block is fixedly connected with a baffle two. Through the above-mentioned components, the baffle one can guide the material to the middle of the filter piece, and the baffle two can reduce the large particle material entering the rear of the push block, and also can reduce the blocking effect.

[0008] Preferably, the shielding assembly includes a shielding cover, which is arranged in the inner wall of the feed inlet. The surface of the shielding cover is fixedly connected with a rotating rod, which is rotatably connected with the inner wall of the feed inlet. The surface of the rotating rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the surface of the shielding cover and the feed inlet, respectively. Through the above-mentioned components, when the shielding assembly is opened, the push block mainly drives the top rod to move, the top rod can press the shielding cover, the shielding cover rotates with the rotating rod, the spring is stressed, and then the discharging process can be carried out.

[0009] Preferably, the stirring assembly includes two stirring motors, which are fixedly connected with the inner wall of the push block. The output end of each stirring motor is fixedly connected with a stirring rod. Through the above-mentioned components, when the stirring motor is opened, the stirring motor can drive the stirring rod to rotate, and the stirring rod can stir the material on the filter piece, so as to facilitate better filtering and discharging.

[0010] Preferably, the crushing assembly comprises two crushing rollers, the two crushing rollers are rotationally connected with the inner wall of the box, the outer surface of the box is fixedly connected with a crushing motor, and the output end of the crushing motor is fixedly connected with one end of the crushing roller.

[0011] Preferably, the inner wall of the box is fixedly connected with two guide blocks, and the two guide blocks are arranged above the crushing rollers.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0013] In the utility model, the auxiliary device is arranged, so that the large particle materials in the extrusion device for polypropylene processing can be intercepted, the intercepted large particle materials can be cleaned regularly, the phenomenon of blocking is reduced, the large particle materials can be crushed and discharged again, workers do not need to take out the large particle materials in the middle, the phenomenon of troublesome operation and low efficiency is avoided, and the practicability of the whole equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic diagram of the extrusion device for polypropylene processing is provided for the utility model;

[0015] Figure 2 A side view structure schematic diagram of the extrusion device for polypropylene processing is provided for the utility model;

[0016] Figure 3 A structure schematic diagram of the extrusion device for polypropylene processing is provided for the utility model; Figure 2 A structure schematic diagram of the auxiliary device part of the extrusion device for polypropylene processing is provided for the utility model.

[0017] Figure 4 A structure schematic diagram of the auxiliary device part of the extrusion device for polypropylene processing is provided for the utility model.

[0018] Figure 5 A structure schematic diagram of the auxiliary device part of the extrusion device for polypropylene processing is provided for the utility model.

[0019] LEGEND:

[0020] 1, base; 2, extruder body; 3, feed port; 4, auxiliary device; 41, filter; 42, baffle one; 43, baffle two; 44, box; 45, connecting pipe; 46, crushing assembly; 461, crushing motor; 462, crushing roller; 463, guide block; 47, air cylinder; 48, push block; 49, ejector rod; 410, shielding assembly; 4101, shielding cover; 4102, rotating rod; 4103, spring; 411, guide plate; 412, stirring assembly; 4121, stirring motor; 4122, stirring rod. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of extrusion device for polypropylene processing, including base 1 and auxiliary device 4, the top of base 1 is provided with extruder body 2, the surface of extruder body 2 is installed with feed port 3, auxiliary device 4 is set in the inner wall of feed port 3.

[0022] Specifically, auxiliary device 4 includes filter 41, filter 41 is fixedly connected with the inner wall of feed port 3, the surface of one side of feed port 3 is fixedly connected with air cylinder 47, the output end of air cylinder 47 penetrates feed port 3 and is fixedly connected with push block 48, the surface of push block 48 is fixedly connected with two ejector rods 49, the inner wall of feed port 3 is provided with shielding assembly 410, the outer surface of feed port 3 is fixedly connected with guide plate 411, the surface of extruder body 2 is fixedly connected with box 44, the inner wall of box 44 is provided with crushing assembly 46, the lower surface of crushing assembly 46 is fixedly connected with connecting pipe 45, the other end of connecting pipe 45 is communicated with feed port 3, the inner wall of push block 48 is provided with stirring assembly 412.

[0023] In this embodiment: when using, filter 41 can intercept large particle materials, stirring assembly 412 can stir, facilitate filtration, after a certain period of time of filtration and interception, open air cylinder 47, air cylinder 47 can drive push block 48 to move, push block 48 can push away intercepted large particle materials, when ejector rod 49 pushes away shielding assembly 410, large particle materials enter box 44 through guide plate 411, crushing assembly 46 crushes, and enters feed port 3 through connecting pipe 45.

[0024] Specifically, the inner wall of box 44 is fixedly connected with baffle one 42, the surface of push block 48 is fixedly connected with baffle two 43, baffle one 42 can guide materials to the middle of filter 41, baffle two 43 can reduce large particle materials into the back of push block 48, and also can reduce material blocking.

[0025] Specifically, the shielding assembly 410 comprises a shielding cover 4101 which is arranged in the inner wall of the feed inlet 3, the surface of the shielding cover 4101 is fixedly connected with a rotating rod 4102, the rotating rod 4102 is rotatably connected with the inner wall of the feed inlet 3, the surface of the rotating rod 4102 is sleeved with a spring 4103, and the two ends of the spring 4103 are fixedly connected with the surface of the shielding cover 4101 and the feed inlet 3 respectively.

[0026] In the embodiment, when the shielding assembly 410 is opened, the push block 48 drives the top rod 49 to move, the top rod 49 can press the shielding cover 4101, the shielding cover 4101 rotates with the rotating rod 4102, the spring 4103 is stressed, and then the discharging process can be performed.

[0027] Specifically, the stirring assembly 412 comprises two stirring motors 4121 which are fixedly connected with the inner wall of the push block 48, the output end of each stirring motor 4121 is fixedly connected with a stirring rod 4122, the stirring motor 4121 can drive the stirring rod 4122 to rotate when the stirring motor 4121 is turned on, and the stirring rod 4122 can stir the material on the filter element 41, so that the material is better filtered and discharged.

[0028] Specifically, the crushing assembly 46 comprises two crushing rollers 462 which are rotatably connected with the inner wall of the box body 44, the outer surface of the box body 44 is fixedly connected with a crushing motor 461, and the output end of the crushing motor 461 is fixedly connected with one end of the crushing roller 462.

[0029] In the embodiment, when the crushing motor 461 is turned on, the crushing motor 461 can drive the crushing roller 462 to rotate, and the two crushing rollers 462 can crush the large-particle material, and the crushed material is discharged into the feed inlet 3 through the connecting pipe 45.

[0030] Specifically, the inner wall of the box body 44 is fixedly connected with two guide blocks 463 which are arranged above the crushing rollers 462, and the two guide blocks 463 can guide the large-particle material into the two crushing rollers 462, so that the crushing is better.

[0031] Working principle: in use, the material enters the extruder body 2 through the feed inlet 3 for processing and extrusion, after entering the feed inlet 3, the filter 41 can intercept large particle materials, after interception, the stirring motor 4121 can be opened, the stirring motor 4121 can drive the stirring rod 4122 to rotate, the stirring rod 4122 can stir the material on the filter 41, facilitate filtering, when the filter 41 intercepts to a certain time, stop stirring, open the air cylinder 47, the air cylinder 47 drives the push block 48 and the baffle two 43 and the jackscrew 49 to move, the jackscrew 49 can extrude the shielding cover 4101, the shielding cover 4101 cooperates with the rotating rod 4102 to rotate, the spring 4103 is stressed, then the push block 48 can push out the large particle materials for discharging, the baffle one 42 cooperates with the baffle two 43 to block the material, the guide plate 411 can pour the large particle materials into the box body 44, then the crushing motor 461 can drive the crushing roller 462 to rotate, because the two guide blocks 463 can pour the large particle materials between the two crushing rollers 462, the two crushing rollers 462 can crush the large particle materials when rotating, the crushed materials are discharged into the feed inlet 3 through the connecting pipe 45, then enter the extruder body 2, complete the use.

Claims

1. An extrusion device for polypropylene processing, comprising a base (1) and auxiliary devices (4), characterized in that: The upper part of the base (1) is provided with an extruder body (2), the surface of the extruder body (2) is provided with a feeding port (3), the auxiliary device (4) is arranged in the inner wall of the feeding port (3), the auxiliary device (4) comprises a filter (41), the filter (41) is fixedly connected with the inner wall of the feeding port (3), one side surface of the feeding port (3) is fixedly connected with a pneumatic cylinder (47), the output end of the pneumatic cylinder (47) penetrates the feeding port (3) and is fixedly connected with a push block (48), the surface of the push block (48) is fixedly connected with two jacks (49), the inner wall of the feeding port (3) is provided with a shielding assembly (410), the outer surface of the feeding port (3) is fixedly connected with a guide plate (411), the surface of the extruder body (2) is fixedly connected with a box body (44), the inner wall of the box body (44) is provided with a crushing assembly (46), the lower surface of the crushing assembly (46) is fixedly connected with a connecting pipe (45), the other end of the connecting pipe (45) is communicated with the feeding port (3), and the inner wall of the push block (48) is provided with a stirring assembly (412).

2. An extrusion device for polypropylene processing according to claim 1, characterized in that: The inner wall of the box body (44) is fixedly connected with a baffle one (42), and the surface of the push block (48) is fixedly connected with a baffle two (43).

3. The polypropylene processing extrusion device of claim 1, wherein: The shielding assembly (410) comprises a shielding cover (4101), the shielding cover (4101) is arranged in the inner wall of the feeding port (3), the surface of the shielding cover (4101) is fixedly connected with a rotating rod (4102), the rotating rod (4102) is rotatably connected with the inner wall of the feeding port (3), the surface of the rotating rod (4102) is sleeved with a spring (4103), and the two ends of the spring (4103) are fixedly connected with the surface of the shielding cover (4101) and the feeding port (3).

4. The polypropylene processing extrusion device of claim 1, wherein: The stirring assembly (412) comprises a stirring motor (4121), the number of the stirring motor (4121) is two, the two stirring motors (4121) are fixedly connected with the inner wall of the push block (48), and the output end of the stirring motor (4121) is fixedly connected with a stirring rod (4122).

5. The polypropylene processing extrusion device of claim 1, wherein: The crushing assembly (46) comprises a crushing roller (462), the number of the crushing roller (462) is two, the two crushing rollers (462) are rotatably connected with the inner wall of the box body (44), the outer surface of the box body (44) is fixedly connected with a crushing motor (461), and the output end of the crushing motor (461) is fixedly connected with one end of the crushing roller (462).

6. An extrusion device for polypropylene processing according to claim 5, characterized in that: The inner wall of the box body (44) is fixedly connected with two guide blocks (463), and the two guide blocks (463) are arranged above the crushing roller (462).

Citation Information

Patent Citations

  • Extrusion device for polypropylene processing

    CN218519151U