Plastic extruder based on plastic product processing

By installing an airflow-assisted feeding mechanism at the feed pipe of the plastic extruder, and using an airflow distributor and an air compressor to inject compressed air, the blockage problem caused by poor material flowability is solved, and uniform material conveying and stable equipment operation are achieved.

CN224044506UActive Publication Date: 2026-03-27DONGGUAN JIAYI MOLD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing plastic extruders lack an effective guide mechanism at the feed pipe, resulting in poor material flow, easy clogging, reduced production efficiency, and increased equipment wear and maintenance costs.

Method used

An airflow-assisted feeding mechanism is adopted, in which compressed air generated by an airflow distributor and an air compressor is sprayed into the feeding pipe to form multiple inclined airflows, which push the material to fall evenly. The annular baffle and guide plate ensure smooth material conveying and prevent blockage.

Benefits of technology

It improves the stability and smoothness of material feeding, prevents blockages, extends the service life of equipment, reduces maintenance costs, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic product processing-based plastic extruder, which comprises a working table, a storage box, a discharge pipe, a feed pipe and a driving mechanism, the feed pipe is fixedly communicated with the right side of the top of the discharge pipe, and the driving mechanism is fixedly connected with the rear side of the top of the working table. The inner side of the top of the feeding pipe is fixedly connected with a mounting pipe, and an airflow auxiliary feeding mechanism is arranged at the bottom of the inner side of the mounting pipe. The utility model solves the problems that the feeding pipe of equipment is lack of an effective dredging mechanism, when the quantity of materials poured into the feeding pipe by an operator is too large, the flowability of the materials in the feeding pipe is worse, the materials cannot enter the extruder timely and uniformly, the blockage is easily caused, the subsequent entering of the materials is influenced once the blockage is caused, and the working efficiency is high. The problems that the continuous operation of the extruder is interrupted due to the fact that the material feeding device is not only reduced in production efficiency, but also increased in equipment abrasion and maintenance cost are solved, and the material feeding device has the advantage of auxiliary material feeding.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic processing, specifically to a plastic extruder based on plastic product processing. BACKGROUND

[0002] The extruder is the core equipment of plastic processing, through the screw rotation to deliver solid plastic raw materials to the heating cylinder, so that it melts into viscous fluid, and then extrudes into pipe, film, profile and other products through the die, mainly composed of screw, cylinder, heating system and machine head die, divided into single screw and double screw two categories. It has the characteristics of continuous production, high efficiency, strong adaptability, etc. and is widely used in packaging, building materials, automobile and other fields. It is the key equipment of plastic extrusion molding process.

[0003] For example, the utility model discloses a kind of extruders for plastic product processing, belong to the technical field of plastic processing.A kind of extruder for plastic product processing, including workbench and support seat, the workbench is fixedly connected on support seat;Discharge pipe is provided on the workbench, screw conveying mechanism is provided in the discharge pipe, one end of the discharge pipe is fixedly connected with storage tank, the storage tank is fixedly connected on support seat side wall upper end;Central upper end of the discharge pipe is fixedly connected with feed cylinder, fixed sleeve is fixedly connected with feed cylinder on the discharge pipe, the fixed sleeve is fixedly connected with workbench by fixed seat;The utility model will solve the problem that the existing technology cannot dissipate the residual heat on the workbench, and it is easy to cause injection molding machine cylinder overheating damage.

[0004] Based on the above patent retrieval, and combined with the equipment in the prior art, the above-mentioned equipment can solve the problem that the injection molding machine cylinder is in a state of external heating for a long time, and the heat on the workbench cannot be dissipated and continues to heat during the working process, which is easy to cause the temperature to be too high. The extruder in the prior art cannot dissipate the residual heat on the workbench, so that the injection molding machine cylinder is maintained in a normal heating state, and it is easy to cause the injection molding machine cylinder to overheat and damage. However, in the process of use, the equipment lacks effective dredging mechanism at the feeding pipe, and when the operator pours too much material into the feeding pipe, the flowability of the material in the feeding pipe will be poor, and the material cannot enter the extruder uniformly and in time, which is easy to cause blockage. Once blocked, it will affect the entry of subsequent materials, causing the interruption of continuous operation of the extruder, which not only reduces the production efficiency, but also increases the wear and maintenance cost of the equipment. UTILITY MODEL CONTENTS

[0005] To solve the problems presented in the background art, the utility model discloses a plastic extruder for plastic product processing has the advantages of auxiliary feeding, solves the lack of effective dredging mechanism at the equipment feed pipe, when the operator pours the material into the material quantity of feed pipe is too large, the material flowability in the feed pipe can be poor, the material cannot enter the extruder inside in time evenly, and it is extremely easy to cause the blockage, once the blockage, it will affect the follow -up material's entry, causes the interruption of extruder continuous operation, this not only reduces the production efficiency, but also increases the equipment wear and maintenance cost's problem.

[0006] To achieve the above object, the utility model provides the following technical scheme: a plastic extruder for plastic product processing based on, including workbench, storage tank, discharge pipe, feed pipe and drive mechanism, the storage tank fixedly connected at the top right side of workbench, the discharge pipe fixedly communicated at the left side of storage tank, the bottom of discharge pipe is fixedly connected with workbench through support, the feed pipe fixedly communicated at the right side of discharge pipe top, drive mechanism fixedly connected at the back of workbench top, the inside of feed pipe top is fixedly connected with installation pipe, the bottom of installation pipe inside is provided with airflow auxiliary feeding mechanism.

[0007] As the utility model prefers, the airflow auxiliary feeding mechanism includes airflow distributor, air compressor and control valve, the airflow distributor is fixedly connected at the inside of installation pipe bottom, the air compressor is fixedly connected at the right side of workbench top, the air compressor and airflow distributor are communicated through the hose between, the control valve is fixedly communicated at the junction of airflow distributor and air compressor.

[0008] As the utility model prefers, the airflow distributor is an annular air cavity, the bottom of airflow distributor is fixedly communicated with air nozzle, the air nozzle is equipped with several and presents annular equidistance distribution, the air nozzle is oblique, and the jet direction thereof forms a certain angle with the falling direction of material.

[0009] As the utility model prefers, the bottom of airflow distributor inside is fixedly connected with annular baffle, and the angle of annular baffle is consistent with air nozzle.

[0010] As the utility model prefers, the bottom of annular baffle is fixedly connected with guide plate, the guide plate is equipped with several and presents annular equidistance distribution, and the position thereof is between air nozzle.

[0011] As the utility model prefers, the junction of airflow distributor and control valve is provided with sealing ring, and the sealing ring is high-temperature-resistant rubber sealing ring.

[0012] As the utility model discloses, a detachable cleaning door is arranged at the bottom of the feeding pipe, and the cleaning door is fixedly connected with the inner wall of the feeding pipe through a sealing rubber strip.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a airflow auxiliary feeding mechanism, which can guide the material to flow downward more smoothly under the assistance of airflow, solve the lack of effective dredging mechanism at the equipment feeding pipe, when the operator pours too much material into the feeding pipe, the material flowability in the feeding pipe will be poor, the material cannot enter the extruder uniformly and timely, which easily causes blockage, once blocked, it will affect the subsequent material entering, leading to the interruption of continuous operation of the extruder, which not only reduces the production efficiency, but also increases the equipment wear and maintenance cost, and has the advantage of auxiliary discharging.

[0015] 2、The utility model discloses a airflow auxiliary feeding mechanism, which can spray the compressed air generated by the air compressor to the material in the feeding pipe, thereby playing the role of conveying and dispersing the material, effectively preventing material accumulation and blockage, improving the smoothness of material feeding, and through the setting of the air nozzle, the compressed air enters the airflow distributor and is uniformly sprayed from each air nozzle, forming multiple inclined airflows, which push and disperse the material in all directions, thereby making the material fall uniformly in the feeding pipe, further improving the stability and reliability of the feeding.

[0016] 3、The utility model discloses a ring-shaped baffle, which can block the material from directly impacting the air nozzle, avoiding the wear or blockage of the air nozzle caused by hard particles or impurities in the material, thereby prolonging the service life of the air nozzle and ensuring the stable output of airflow, and through the setting of the deflector, the deflector can guide the material to fall more uniformly, ensuring that the material can receive uniform airflow thrust in all directions, thereby improving the conveying efficiency of the material during discharging. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional explosion structure schematic diagram of the airflow auxiliary feeding mechanism of the utility model;

[0019] Figure 3 It is a three-dimensional enlarged structure schematic diagram of the utility model at A in the drawing.

[0020] In the diagram: 1. Workbench; 2. Storage bin; 3. Discharge pipe; 4. Feed pipe; 5. Drive mechanism; 6. Mounting pipe; 7. Airflow-assisted feeding mechanism; 71. Airflow distributor; 72. Air compressor; 73. Control valve; 8. Air nozzle; 9. Annular baffle; 10. Guide plate; 11. Sealing ring; 12. Cleaning door; 13. Sealing strip. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 3 As shown, the present invention provides a plastic extruder for processing plastic products, including a worktable 1, a storage tank 2, a discharge pipe 3, a feed pipe 4, and a drive mechanism 5. The storage tank 2 is fixedly connected to the top right side of the worktable 1, the discharge pipe 3 is fixedly connected to the left side of the storage tank 2, the bottom of the discharge pipe 3 is fixedly connected to the worktable 1 through a bracket, the feed pipe 4 is fixedly connected to the right side of the top of the discharge pipe 3, the drive mechanism 5 is fixedly connected to the rear side of the top of the worktable 1, and an installation pipe 6 is fixedly connected to the inner side of the top of the feed pipe 4. An airflow-assisted feeding mechanism 7 is provided at the bottom of the inner side of the installation pipe 6.

[0023] refer to Figure 2 The airflow-assisted feeding mechanism 7 includes an airflow distributor 71, an air compressor 72, and a control valve 73. The airflow distributor 71 is fixedly connected to the inner side of the bottom of the mounting pipe 6, and the air compressor 72 is fixedly connected to the right side of the top of the workbench 1. The air compressor 72 and the airflow distributor 71 are connected by a hose, and the control valve 73 is fixedly connected at the connection between the airflow distributor 71 and the air compressor 72.

[0024] As a technical optimization of this utility model, by setting an airflow-assisted feeding mechanism 7, the airflow distributor 71 can spray the compressed air generated by the air compressor 72 onto the material inside the feeding pipe 4, thereby playing a role in conveying and dispersing the material, effectively preventing material accumulation and blockage, and improving the smoothness of material feeding.

[0025] refer to Figure 2 The airflow distributor 71 is an annular air chamber. The bottom of the airflow distributor 71 is fixedly connected to an air nozzle 8. There are several air nozzles 8, which are distributed in an annular shape at equal intervals. The air nozzles 8 are inclined, and their jet direction forms a certain angle with the falling direction of the material.

[0026] As a technical optimization scheme of the utility model, through setting air nozzle 8, make compressed air enter airflow distributor 71 after, even from each air nozzle 8 spray, form multiple oblique airflow, all -round push and scatter to material, thereby make material even fall in feed pipe 4, further improve the stability and reliability of feeding.

[0027] Reference Figure 2 , the bottom inside airflow distributor 71 is fixedly connected with annular baffle 9, and the angle of annular baffle 9 is consistent with air nozzle 8.

[0028] As a technical optimization scheme of the utility model, through setting annular baffle 9, annular baffle 9 can block material direct impact air nozzle 8, avoid the hard particles or impurities in material to cause air nozzle 8 wear or block, thereby prolong the service life of air nozzle 8, ensure the stable output of airflow.

[0029] Reference Figure 2 , the bottom of annular baffle 9 is fixedly connected with guide plate 10, and guide plate 10 is arranged at the position between air nozzle 8.

[0030] As a technical optimization scheme of the utility model, through setting guide plate 10, guide plate 10 can guide material to fall more evenly, ensure that material can receive uniform airflow thrust in each direction, thereby improve the conveying efficiency when material falls.

[0031] Reference Figure 3 , the connecting place of airflow distributor 71 and control valve 73 is provided with sealing ring 11, and sealing ring 11 is high-temperature-resistant rubber sealing ring 11.

[0032] As a technical optimization scheme of the utility model, through setting sealing ring 11, sealing ring 11 can prevent airflow from leaking from the connecting place, ensure that all the energy of airflow is used for the conveying of material, thereby avoiding the leakage of the connecting place of airflow distributor 71 and control valve 73 under high temperature conditions, guaranteeing the stability and durability of sealing performance.

[0033] Reference Figure 2 , the bottom of feed pipe 4 is provided with detachable cleaning door 12, and cleaning door 12 is fixedly connected with the inner wall of feed pipe 4 through sealing rubber strip 13.

[0034] As a technical optimization scheme of the utility model, through setting cleaning door 12, cleaning door 12 can be quickly opened when blockage occurs in feed pipe 4 or regular maintenance is needed, so that the operator can conveniently clean the internal material residues and impurities, and the sealing rubber strip 13 ensures the sealing property of cleaning door 12 and the inner wall of feed pipe 4 in the closed state, preventing material from leaking from cleaning door 12 during production.

[0035] The working principle and use process of the utility model: first start air compressor 72 when using, air compressor 72 is delivered to the compressed air to airflow distributor 71, and the compressed air is sprayed to the material in feed pipe 4 with a certain angle through the air nozzle 8 at the bottom of airflow distributor 71, plays the role of conveying and dispersing, improves the smoothness of feeding, in the material falling process, annular baffle 9 can block the material directly impacting air nozzle 8, avoids the abrasion or blockage caused by hard particles or impurities to air nozzle 8, prolongs the service life of air nozzle 8, simultaneously, guide plate 10 guides the uniform discharge of material, makes it evenly in each direction under the air flow thrust, improves the material conveying efficiency, thereby reaches the advantage of auxiliary discharging, simultaneously, the sealing ring 11 at the connecting place of airflow distributor 71 and feed pipe 4 can prevent air leakage, avoids the leakage at the connecting place under high temperature condition, guarantees the stable and persistent sealing performance, when feed pipe 4 is blocked or needs to be maintained, the bottom cleaning door 12 can be quickly opened, and the inside residual and impurities are cleaned, and sealing rubber strip 13 ensures that the cleaning door 12 is closed and sealed with the inner wall of feed pipe 4, prevents the leakage of material.

[0036] In summary: the plastic extruder based on plastic product processing, through the setting airflow auxiliary feeding mechanism 7, airflow auxiliary feeding mechanism 7 can guide the material to flow more smoothly under the assistance of airflow, solve the lack of effective dredging mechanism at the equipment feed pipe, when the operator pours the material into the feed pipe, the material flowability in the feed pipe will be poor, the material cannot enter the extruder inside in time and uniformly, and it is easy to cause blockage, once blocked, it will affect the subsequent material entering, leading to the interruption of continuous operation of the extruder, which not only reduces the production efficiency, but also increases the wear and maintenance cost of the equipment.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present application have been shown and described, it would be appreciated by those skilled in the art that changes can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the claims and their equivalents.

Claims

1. A plastic extruder for processing plastic products, comprising a workbench (1), a storage tank (2), a discharge pipe (3), a feeding pipe (4) and a driving mechanism (5), characterized in that: The storage tank (2) is fixedly connected to the top right side of the workbench (1), the discharge pipe (3) is fixedly connected to the left side of the storage tank (2), the bottom of the discharge pipe (3) is fixedly connected to the workbench (1) through a support, the feeding pipe (4) is fixedly connected to the right top of the discharge pipe (3), the driving mechanism (5) is fixedly connected to the back top of the workbench (1), the inside top of the feeding pipe (4) is fixedly connected with the mounting pipe (6), and the bottom of the inside of the mounting pipe (6) is provided with the airflow auxiliary feeding mechanism (7).

2. The plastic extruder for processing plastic articles according to claim 1, characterized in that: The airflow auxiliary feeding mechanism (7) comprises an airflow distributor (71), an air compressor (72) and a control valve (73), the airflow distributor (71) is fixedly connected to the inside bottom of the mounting pipe (6), the air compressor (72) is fixedly connected to the right top of the workbench (1), the air compressor (72) and the airflow distributor (71) are communicated through a hose, and the control valve (73) is fixedly connected between the airflow distributor (71) and the air compressor (72).

3. The plastic extruder for processing plastic articles according to claim 2, characterized in that: The airflow distributor (71) is an annular air cavity, the bottom of the airflow distributor (71) is fixedly connected with a gas nozzle (8), the gas nozzle (8) is provided with a plurality of annularly distributed inclined nozzles, and the gas nozzle (8) is inclined, and the gas injection direction forms a certain angle with the falling direction of the material.

4. The plastic extruder for processing plastic articles according to claim 3, wherein: The bottom of the inside of the airflow distributor (71) is fixedly connected with a ring-shaped baffle (9), and the angle of the ring-shaped baffle (9) is consistent with that of the gas nozzle (8).

5. The plastic extruder for processing plastic articles according to claim 4, wherein: The bottom of the ring-shaped baffle (9) is fixedly connected with a guide plate (10), the guide plate (10) is provided with a plurality of annularly distributed guide plates, and the guide plate (10) is located between the gas nozzles (8).

6. The plastic extruder for processing plastic articles according to claim 2, wherein: The connection between the airflow distributor (71) and the control valve (73) is provided with a sealing ring (11), and the sealing ring (11) is a high-temperature-resistant rubber sealing ring (11).

7. The plastic extruder for processing plastic articles according to claim 1, wherein: The bottom of the feeding pipe (4) is provided with a detachable cleaning door (12), and the cleaning door (12) is fixedly connected to the inner wall of the feeding pipe (4) through a sealing rubber strip (13).

Citation Information

Patent Citations

  • Extruder for processing plastic products

    CN212021625U