High-precision ABS plate continuous extrusion and waste recovery integrated system

By integrating a twin-screw extruder with a mixing tank, the precision and efficiency issues in continuous extrusion and waste recycling of ABS sheets have been solved. This has enabled automated control and uniform mixing, improving production efficiency and resource utilization while reducing environmental pollution.

CN223750205UActive Publication Date: 2026-01-02DALIAN XINMEIGE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422043082.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2026-01-02
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

Existing continuous extrusion and waste recycling systems for ABS sheets suffer from problems such as insufficient extrusion precision, low waste recycling efficiency, high production costs, and serious environmental pollution. In particular, deficiencies exist in temperature control, die design, waste crushing, and batching and mixing, leading to unstable sheet quality and resource waste.

Method used

The integrated system of twin-screw extruder, mixing chamber and crushing chamber, combined with temperature control ring, planetary mixer, dryer and negative pressure fan, realizes automated control and uniform mixing, ensures material uniformity and temperature stability, and forms a closed-loop production process through precise batching by loss-in-weight scale.

Benefits of technology

It improves production efficiency and resource utilization, reduces production costs, ensures product quality stability, reduces environmental pollution, and achieves efficient waste recycling and uniform mixing.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a high-precision ABS (Acrylonitrile Butadiene Styrene) plate continuous extrusion and waste recovery integrated system which comprises a double-screw extruder, a stirring box and a crushing box, firstly, the automatic design obviously reduces the dependence on manual operation, accelerates the processes of waste recovery and ingredient mixing, and enables the whole production process to be more efficient and faster. And secondly, through accurate proportioning proportion control and a uniform mixing process, not only is the production cost reduced, but also the consistency and the stability of the product quality are ensured, and the quality problem caused by uneven proportioning or poor mixing is reduced. And moreover, the system comprehensively recovers and efficiently utilizes the waste materials, so that the resource utilization rate is greatly improved, the consumption of raw materials is reduced, the influence on the environment is also reduced, and the concept of circular economy is embodied.
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Description

TECHNICAL FIELD

[0001] The utility model relates to material recycling technical field, concretely to high accuracy ABS board continuous extrusion and waste recovery comprehensive system. BACKGROUND

[0002] In the prior art of ABS board continuous extrusion and waste recovery, there are many problems to be solved, which limit the improvement of production efficiency and board quality, especially in the aspects of insufficient extrusion precision and low waste recovery utilization efficiency. The traditional extruder design often cannot fully plasticize and uniformly mix ABS resin, resulting in uneven board thickness and low dimensional accuracy; the temperature control system is not fine enough, which cannot effectively avoid the thermal degradation of ABS resin at high temperature, affecting the mechanical properties of the board; the die design cannot ensure uniform melt flow, causing board surface defects and thickness fluctuations; and the lack of stable melt pressure control makes the board size unstable during the extrusion process. In terms of waste recovery, the existing collection system relies on manual operation, which is low in efficiency and prone to errors, the waste crushing technology is backward, which affects the quality of the regenerated material, and the purity control means of the recycled material is limited, and the impurities affect the performance of the board. The ingredient mixing link also has the problem of inaccuracy, the ingredient system lacks high-precision measurement means, resulting in inaccurate mixing ratio of new materials and waste, the mixing machine design is ordinary, it is difficult to achieve uniform mixing, the temperature and humidity control is not in place, and the material is prone to caking or overheating, affecting the extrusion effect.

[0003] The traditional ABS board continuous extrusion and waste recovery system faces many challenges, mainly including: highly relying on manual operation for waste classification, measurement and mixing, which leads to low efficiency and is prone to human errors, thereby affecting product quality; lacking precise ingredient control mechanism, resulting in inaccurate proportioning of new materials and waste, damaging product performance consistency; the waste recovery mechanism is not perfect, resources are wasted seriously, and raw material consumption cannot be effectively reduced, which increases the environmental burden; production cost increases due to uneven ingredient and improper waste management, and additional processing fees caused by product quality fluctuations intensify cost pressure; dust emission during waste crushing process and moisture emission during mixing link cause potential pollution to the environment; in addition, the system lacks automation and integration design, the production process is fragmented, and each step is not smooth, which limits the overall production efficiency. Therefore, a high-precision ABS board continuous extrusion and waste recovery comprehensive system is proposed. SUMMARY

[0004] The utility model aims at providing high accuracy ABS board continuous extrusion and waste recovery comprehensive system to solve the problems raised in the background art.

[0005] In order to solve the above technical problems, the utility model provides technical scheme as follows: High accuracy ABS plate continuous extrusion and waste recovery comprehensive system, including double screw extruder, agitator tank and crushing box, the double screw extruder fixed mounting is in the front end of connecting seat, the rear end of connecting seat is fixedly connected the outlet of melt pump, the inlet of melt pump is fixedly connected agitator tank, the rear end lower part of crushing box is fixedly installed the feed end of horizontal conveyor, the discharge end of horizontal conveyor is fixedly installed with temporary storage box, the right part of temporary storage box is fixedly installed with vertical conveyor, the discharge end of vertical conveyor is connected agitator tank.

[0006] According to the above technical scheme, the outer surface of the double screw extruder is equidistantly sleeved with a first temperature control ring, a second temperature control ring and a third temperature control ring, and the first temperature control ring, the second temperature control ring and the third temperature control ring are connected with an external control system.

[0007] According to the above technical scheme, the left side wall of the agitator tank is integrally formed with a reclaimed material inlet, and the top right side of the agitator tank is integrally formed with a new material inlet. The agitator tank is divided into a gas chamber, an isolation chamber and a discharge chute by a partition plate. A motor is fixedly installed in the isolation chamber. A planetary stirring frame is fixedly installed on the output end of the motor. The planetary stirring frame is located in the agitator tank. The discharge chute is located below the planetary stirring frame.

[0008] According to the above technical scheme, the top of the crushing box is fixedly installed with a collecting hopper. A first shaft and a second shaft are longitudinally installed in the crushing box. The first shaft is located above the second shaft. A first crushing blade is fixedly installed on the outer periphery of the first shaft. A second crushing blade is fixedly installed on the outer periphery of the second shaft. A first screen, a second screen and a material guide chute are fixedly installed in the crushing box. The first screen is coaxially curved with the first shaft. The second screen is coaxially curved with the second shaft. The material guide chute is located below the second screen and cooperates with the horizontal conveyor. The first shaft and the second shaft are connected with an external driving device.

[0009] According to the above technical scheme, the rear wall of the agitator tank is fixedly installed with an air inlet and an air outlet. The air inlet is located at the lower end of the rear wall and communicates with the gas chamber. The air outlet is located at the upper part of the rear wall and communicates with the interior of the agitator tank. The outer end of the air inlet is connected with the air inlet of a blower. The outer end of the air outlet is connected with the suction port of a negative pressure fan. One end of a dryer is fixedly installed on the discharge port of the negative pressure fan. The other end of the dryer is fixedly installed on the suction port of the blower.

[0010] According to the above technical scheme, the reclaimed material inlet is connected with the vertical conveyor. The new material inlet is fixedly installed with a loss-in-weight scale.

[0011] According to the above technical scheme, the double screw extruder is fixedly installed with a temperature sensor, and the stirring box is fixedly installed with a temperature and humidity sensor, and the temperature sensor and the temperature and humidity sensor are connected with an external control system.

[0012] According to the above technical scheme, the air chamber is located at the lower part of the stirring box and is isolated from other areas by a partition plate, and is mainly used for receiving the airflow provided by the air blower to help the material to be better mixed and control the airflow environment in the stirring box.

[0013] According to the above technical scheme, the isolation chamber is located at the middle part of the stirring box and is isolated from the air chamber and the discharge slot by a partition plate, and is used for accommodating the planetary stirring frame to ensure uniform mixing of the material.

[0014] According to the above technical scheme, the discharge slot is located at the bottom of the stirring box and is isolated from the isolation chamber by a partition plate, and is used for guiding the mixed material to discharge from the stirring box to ensure smooth discharge of the material without being affected by other areas. Such a structure design helps to improve the material mixing efficiency in the stirring box, ensures uniform mixing of the material, and facilitates the entry and management of the material.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] Firstly, the automation design significantly reduces the dependence on manual operation, accelerates the waste recycling and ingredient mixing process, and makes the entire production process more efficient and fast. Secondly, through accurate ingredient proportion control and uniform mixing process, not only the production cost is reduced, but also the product quality consistency and stability are ensured, and the quality problems caused by uneven ingredient or poor mixing are reduced. Thirdly, the system fully recycles and efficiently utilizes the waste, greatly improves the resource utilization rate, reduces the consumption of raw materials, and also reduces the impact on the environment, embodying the concept of circular economy. In addition, accurate ingredient proportion control and automatic process reduce production cost and reduce additional processing fees caused by unstable product quality. Through the combination of the dryer, the air blower and the negative pressure fan, the moisture emission during the mixing process is effectively controlled, the dust pollution is reduced, and the environmental performance of the system is improved. Finally, the system design considers the seamless connection of each link, from waste collection, crushing, conveying, mixing to extrusion, forming a closed-loop automatic production process, greatly improving the production efficiency and resource utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0018] Figure 1is a one-view perspective three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 is a one-view perspective three-dimensional structure schematic diagram of the extrusion structure of the utility model;

[0020] Figure 3 is a one-view perspective three-dimensional structure schematic diagram of the stirring device of the utility model;

[0021] Figure 4 is a one-view perspective three-dimensional structure schematic diagram of the stirring device of the utility model;

[0022] Figure 5 is a one-view perspective three-dimensional structure schematic diagram of the regenerated material recycling structure of the utility model;

[0023] Figure 6 is a one-view perspective three-dimensional structure schematic diagram of the crushing device of the utility model;

[0024] Figure 7 is a one-view perspective three-dimensional structure schematic diagram of the drying device of the utility model.

[0025] In the drawing: 100, connecting seat, 101, double screw extruder, 102, first temperature control ring, 103, second temperature control ring, 104, third temperature control ring, 200, stirring box, 201, regenerated material inlet, 202, new material inlet, 203, air outlet, 204, air outlet, 205, air warehouse, 206, isolation warehouse, 207, motor, 208, planetary stirring frame, 209, discharge chute, 210, discharge port, 300, crushing box, 301, collecting hopper, 302, first shaft, 303, second shaft, 304, first crushing blade, 305, second crushing blade, 306, guide chute, 307, first screen, 308, second screen, 400, horizontal conveyor, 500, temporary storage box, 600, vertical conveyor, 700, dryer, 701, air blower, 702, negative pressure fan, 800, melt pump. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Embodiment 1

[0028] Please refer to Figures 1-7The utility model provides technical scheme: high accuracy ABS plate material continuous extrusion and waste recovery comprehensive system, including double screw extruder 101, agitator tank 200 and crushing tank 300, double screw extruder 101 fixed mounting is in the front end of connecting seat 100, the rear end fixed connection of connecting seat 100 melt pump 800's export, the import fixed connection of melt pump 800 agitator tank 200, the rear end lower part fixed mounting of crushing tank 300 feed end of horizontal conveyer 400, the discharge end fixed mounting of horizontal conveyer 400 has the temporary storage box 500, the right part fixed mounting of temporary storage box 500 has vertical conveyer 600, the discharge end connection of vertical conveyer 600 agitator tank 200.

[0029] Double screw extruder 101 passes through the more stable material extrusion of its structure and function, and the extrusion end fixed mounting clothes rack formula die head or fish tail formula die head, connecting seat 100 connects double screw extruder 101 with melt pump 800 each other effectively, melt pump 800 passes through the function of its own to stabilize melt pressure, improves the stability of extrusion process and plate quality, agitator tank 200 passes through the full agitation of new material and regenerated material, crushing tank 300 effectively crushes waste into the particle of size, horizontal conveyer 400 effectively guides the regenerated particle in crushing tank 300 to temporary storage box 500, and the regenerated particle is temporarily stored in temporary storage box 500, and then is effectively guided to agitator tank 200 through vertical conveyer 600, realizes the circulation of whole.

[0030] Specifically, the outer surface of the double screw extruder 101 is equidistantly sleeved with a first temperature control ring 102, a second temperature control ring 103, and a third temperature control ring 104, and the first temperature control ring 102, the second temperature control ring 103, and the third temperature control ring 104 are connected with an external control system.

[0031] The first temperature control ring 102, the second temperature control ring 103, and the third temperature control ring 104 effectively control the temperature of the double screw extruder 101 in different extrusion stages, thereby ensuring that the melt temperature is uniform and stable and avoiding thermal degradation, and the external control system adopts a PID control algorithm, thereby improving the control precision.

[0032] Specifically, the left side wall of the agitator tank 200 is integrally formed with a regenerated material inlet 201, the top right side of the agitator tank 200 is integrally formed with a new material inlet 202, the agitator tank 200 is divided into a gas chamber 205, an isolation chamber 206, and a discharge chute 209 by a partition plate, a motor 207 is fixedly installed in the isolation chamber 206, a planetary stirring frame 208 is fixedly installed at the output end of the motor 207, the planetary stirring frame 208 is located in the agitator tank 200, and the discharge chute 209 is located below the planetary stirring frame 208.

[0033] The recycled material inlet 201 introduces the recycled material into the mixing box 200, the new material inlet 202 introduces the new material into the mixing box 200, the isolation bin 206 provides installation for the motor 207, the motor 207 provides power for the planetary stirring frame 208, the planetary stirring frame 208 effectively mixes the recycled material and the new material, thereby improving the uniformity of the material, and the discharge chute 209 guides the mixed material to the melt pump 800 through the discharge port 210.

[0034] Specifically, the top of the crushing box 300 is fixedly installed with a collecting hopper 301, a first shaft 302 and a second shaft 303 are installed longitudinally in the crushing box 300, the first shaft 302 is located above the second shaft 303, a first crushing blade 304 is fixedly installed on the outer periphery of the first shaft 302, a second crushing blade 305 is fixedly installed on the outer periphery of the second shaft 303, a first screen 307, a second screen 308 and a material guide chute 306 are fixedly installed in the crushing box 300, the first screen 307 is coaxially curved with the first shaft 302, the second screen 308 is coaxially curved with the second shaft 303, the material guide chute 306 is located below the second screen 308, and the lower end of the material guide chute 306 cooperates with the horizontal conveyor 400, and the first shaft 302 and the second shaft 303 are connected to an external driving device.

[0035] The collecting hopper 301 effectively collects and introduces waste into the crushing box 300, the first shaft 302, the first crushing blade 304 and the first screen 307 constitute a first crushing part, the second shaft 303, the second crushing blade 305 and the second screen 308 constitute a second crushing part, the first crushing blade 304 and the second crushing blade 305 are both made of wear-resistant alloy cutters, the material guide chute 306 guides the crushed recycled material that meets the size to the horizontal conveyor 400, and the first shaft 302 and the second shaft 303 are driven by the external driving device to realize effective device work.

[0036] Specifically, the rear wall of the mixing box 200 is fixedly installed with a blowing port 203 and an air flow discharge port 204, the blowing port 203 is located at the lower end of the rear wall and communicates with the air bin 205, the air flow discharge port 204 is located at the upper part of the rear wall and communicates with the inside of the mixing box 200, the outer end of the blowing port 203 is connected to the air inlet of the air blower 701, the outer end of the air flow discharge port 204 is connected to the suction port of the negative pressure fan 702, one end of the dryer 700 is fixedly installed at the discharge port of the negative pressure fan 702, and the other end of the dryer 700 is fixedly installed at the suction port of the air blower 701.

[0037] The dryer 700 realizes that the hot air is introduced into the stirring box 200 through the air blower 701 by the development and heat drying of the dryer 700, and then when the humidity in the stirring box is large, effective drying is carried out, and the setting of the negative pressure fan 702 effectively leads out the humid hot air of the stirring box 200, and increases the overall gas flowability.

[0038] Specifically, the regenerated material inlet 201 is connected with the vertical conveyor 600, and the new material inlet 202 is fixedly installed with a loss-in-weight scale.

[0039] The overall regenerated material path is connected, the loss-in-weight scale automatically weighs the new material and the crushed waste material according to the set proportion, and the accuracy and repeatability of each mixing are ensured.

[0040] Specifically, the double-screw extruder 101 is fixedly installed with a temperature sensor, the stirring box 200 is fixedly installed with a temperature and humidity sensor, and the temperature sensor and the temperature and humidity sensor are connected with an external control system.

[0041] Through the feedback of the temperature sensor, the temperature in the double-screw extruder 101 is effectively and stably controlled, and through the feedback of the temperature and humidity sensor, the temperature and humidity of the mixed material are controlled, and then the overall extrusion effect is improved.

[0042] According to the above technical scheme, the air chamber 205 is located at the lower part of the stirring box 200 and is isolated from other areas by a partition plate, and is mainly used for receiving the airflow provided by the air blower 701, helping the material to be better mixed and controlling the airflow environment in the stirring box.

[0043] According to the above technical scheme, the isolation chamber 206 is located in the middle part of the stirring box 200 and is isolated from the air chamber 205 and the discharge chute 209 by a partition plate, and is used for accommodating the planetary stirring frame 208 to ensure uniform mixing of the material.

[0044] According to the above technical scheme, the discharge chute 209 is located at the bottom of the stirring box 200 and is isolated from the isolation chamber 206 by a partition plate, and is used for guiding the mixed material to discharge from the stirring box 200, ensuring that the material is smoothly discharged without being affected by other areas. Such a structure design helps to improve the material mixing efficiency in the stirring box, ensures uniform mixing of the material, and also facilitates the entry and exit and management of the material.

[0045] Working principle: when in use, the waste is introduced into the crushing box 300 through the collecting hopper 301, the powder is fully crushed in the crushing box 300, then the regenerated material is introduced into the stirring box 200 through the combination of the horizontal conveyor 400, the temporary storage box 500 and the vertical conveyor 600, the regenerated material is uniformly mixed with the new material added through the new material inlet 202 in the stirring box 200, then the mixed material is introduced into the double screw extruder 101 through the melt pump 800, the overall material circulation is realized, the design of the partition plate not only ensures the uniformity of the material mixing, but also facilitates the entry and management of the material. When the humidity of the mixed material is too large, the humidity of the mixed material in the stirring box 200 is controlled through the dryer 700, the air blower 701 and the negative pressure fan 702.

[0046] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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.

[0047] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-precision ABS plate continuous extrusion and waste recycling integrated system, comprising a double-screw extruder (101), a stirring box (200), and a crushing box (300), characterized by the following: The double screw extruder (101) is fixedly installed at the front end of the connecting seat (100), the rear end of the connecting seat (100) is fixedly connected with the outlet of the melt pump (800), the inlet of the melt pump (800) is fixedly connected with the stirring box (200), the rear lower part of the crushing box (300) is fixedly installed with the feeding end of the horizontal conveyor (400), the discharging end of the horizontal conveyor (400) is fixedly installed with the temporary storage box (500), the right part of the temporary storage box (500) is fixedly installed with the vertical conveyor (600), and the discharging end of the vertical conveyor (600) is connected with the stirring box (200).

2. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 1, characterized in that: The outer surface of the double screw extruder (101) is equidistantly sleeved with the first temperature control ring (102), the second temperature control ring (103) and the third temperature control ring (104), and the first temperature control ring (102), the second temperature control ring (103) and the third temperature control ring (104) are connected with an external control system.

3. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 1, characterized in that: The left side wall of the stirring box (200) is integrally formed with a regenerated material inlet (201), and the top right side of the stirring box (200) is integrally formed with a new material inlet (202); the stirring box is divided into an air chamber (205), an isolation chamber (206) and a discharge chute (209) by a partition plate; the isolation chamber (206) is fixedly installed with a motor (207); the output end of the motor (207) is fixedly installed with a planetary stirring frame (208); the planetary stirring frame (208) is located in the stirring box (200); and the discharge chute (209) is located below the planetary stirring frame (208).

4. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 1, characterized in that: The top of the crushing box (300) is fixedly installed with a collecting hopper (301), the first shaft (302) and the second shaft (303) are longitudinally installed in the crushing box (300), the first shaft (302) is located above the second shaft (303), the first shaft (302) is fixedly installed with a first crushing blade (304) on the outer periphery, the second shaft (303) is fixedly installed with a second crushing blade (305) on the outer periphery, the crushing box (300) is fixedly installed with a first screen (307), a second screen (308) and a material guide chute (306), the first screen (307) is coaxially and curvedly matched with the first shaft (302), the second screen (308) is coaxially and curvedly matched with the second shaft (303), the material guide chute (306) is located below the second screen (308), and the low end of the material guide chute (306) is matched with the horizontal conveyor (400), and the first shaft (302) and the second shaft (303) are connected with an external driving device.

5. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 1, characterized in that: The rear wall of the stirring box (200) is fixedly provided with a blast port (203) and an air flow discharge port (204), the blast port (203) is located at the lower end of the rear wall and communicates with an air chamber (205), the air flow discharge port (204) is located at the upper part of the rear wall and communicates with the inside of the stirring box (200), the outer end of the blast port (203) is connected with the air inlet of a blower (701), the outer end of the air flow discharge port (204) is connected with the suction port of a negative pressure fan (702), one end of a dryer (700) is fixedly provided with the discharge port of the negative pressure fan (702), and the other end of the dryer (700) is fixedly provided with the suction port of the blower (701).

6. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 3, characterized in that: The regenerated material inlet (201) is connected with a vertical conveyor (600), and the new material inlet (202) is fixedly provided with a loss-in-weight scale.

7. The high-precision ABS plate continuous extrusion and waste recycling integrated system according to claim 2, characterized in that: Temperature sensors are fixedly provided in the double-screw extruder (101), and temperature and humidity sensors are fixedly provided in the stirring box (200), and the temperature sensors and the temperature and humidity sensors are connected with an external control system.