Extruder cooling device for production of biodegradable material products

By designing a temperature controller and a multi-stage cooling tank into the extruder for the production of biodegradable materials, the problem of the cooling device's inability to self-adjust was solved, achieving constant screw temperature control and over-temperature alarm, thus ensuring production stability and equipment safety.

CN223877510UActive Publication Date: 2026-02-06SHENZHEN MAI RUI PACKAGING PROD CO LTD
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Patent Information

Application Number
CN202520300433.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing cooling devices cannot adaptively adjust cooling according to operating temperature, lack over-temperature alarm capabilities and multi-stage cooling capabilities, resulting in excessively high screw and barrel temperatures, affecting material plasticization quality and equipment safety.

Method used

A cooling device was designed, which includes a temperature controller, mercury, water pump control and a multi-stage cooling pool. The water pump speed is controlled by mercury expansion to achieve adaptive cooling adjustment, and an audible and visual alarm is triggered when the temperature exceeds the limit. The device is combined with a multi-stage cooling pool and a sprayer for rapid cooling.

Benefits of technology

It achieves adaptive cooling regulation in the production process of biodegradable materials, ensuring constant screw temperature, improving production stability and safety, and preventing equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an extruder cooling device for producing biodegradable material products, which comprises a primary cooling tank, an output pipe is connected to the outer side of the primary cooling tank, a temperature controller is fixedly mounted on the outer side of the primary cooling tank, a heated block is fixedly connected to the outer side of the output pipe, and the temperature controller is fixedly mounted on the outer side of the heated block. One end, far away from the output pipe, of the heated block is fixedly connected to the interior of a temperature controller and is not communicated with the temperature controller, mercury is arranged in the temperature controller, overtemperature controllers are fixedly mounted on the two opposite sides, far away from the mercury, of the temperature controller, and a second-stage water pump controller is fixedly mounted between the first-stage water pump controller and the overtemperature controllers. The conductive block and the insulating support rod are positioned at the upper end of the mercury; according to the cooling device, the mercury is arranged and can control the water pump according to the change of water temperature, so that the screw of the extruder produced by biodegradable material products is kept in a constant-temperature state, the normal operation of production is ensured, and the temperature adjusting capability of the cooling device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooling device technical field especially relates to a kind of extruder cooling device for biodegradable material product production. BACKGROUND

[0002] Cooling device is the device that reduces or maintains certain system or equipment temperature by transferring and dissipating heat.

[0003] Extruder for biodegradable material product production produces in production process, screw generates heat due to the friction and shearing action of material, these heat will cause the temperature of screw and barrel to be too high if not controlled, thereby affecting the plasticizing quality of material and the quality of final product, and excessive cooling of screw can affect plasticizing effect, even damage equipment, and the existing cooling device does not have the ability of adaptive cooling adjustment according to working temperature and the ability of over-temperature alarm and multi-stage cooling.

[0004] Therefore, we provide a kind of extruder cooling device for biodegradable material product production. SUMMARY

[0005] The utility model aims at the technical problem existing above, provide a kind of extruder cooling device for biodegradable material product production, reach the effect of adaptive cooling adjustment, over-temperature alarm and multi-stage cooling.

[0006] Therefore, the utility model provides a kind of extruder cooling device for biodegradable material product production, including primary cooling pool, output pipe is connected to the outer side of the primary cooling pool, temperature control instrument is fixedly installed on the outer side of the primary cooling pool, heated block is fixedly connected to the outer side of the output pipe, and the heated block is fixedly connected to the inside of temperature control instrument away from the one end of output pipe, and is not communicated, mercury is arranged in the inside of temperature control instrument, the mercury is located in the lower half of temperature control instrument, alarm lamp is fixedly installed on the upper end of the outer side of temperature control instrument, primary water pump control is fixedly installed on the relative two sides of the inside of temperature control instrument close to mercury, over-temperature control is fixedly installed on the relative two sides of the inside of temperature control instrument away from mercury, and secondary water pump control is fixedly installed between primary water pump control and over-temperature control, and electrically conductive block is arranged in the inside of temperature control instrument, the electrically conductive block is at least three, and insulating strut is fixedly connected between three electrically conductive blocks, and the electrically conductive block and insulating strut are located on the upper end of mercury.

[0007] Preferably, spray pipe is fixedly installed on the upper half of the inner wall of the primary cooling pool, the output pipe extends to the inside of the primary cooling pool, the spray pipe is fixedly connected with the output pipe, the spray pipe is fixedly installed with sprayer on the outer side, the lower half of the inner wall of the primary cooling pool is fixedly connected with filter plate, and filter hole is formed through the outer side of the filter plate.

[0008] Preferably, a water pump group is fixedly installed outside the middle section of the output pipe, and the water pump group has at least two, and a baffle is fixedly connected to one end of the output pipe away from the water pump group.

[0009] Preferably, the baffle is fixedly connected with an input pipe on the side away from the output pipe, and the middle section of the input pipe is fixedly connected with another water pump group.

[0010] Preferably, a secondary cooling pool is arranged at the lower end of the primary cooling pool, and the lower half of the outer side of the secondary cooling pool is fixedly connected with the input pipe.

[0011] Preferably, an outer shaft is arranged at the upper end of the secondary cooling pool, the outer shaft is located between the primary cooling pool and the secondary cooling pool, and an inner shaft is arranged in the outer shaft.

[0012] Preferably, one end of the inner shaft is fixedly connected with the outer shaft, a fan blade is fixedly installed on the outer side of the outer shaft, and the outer shaft and the inner shaft are rotationally connected with the baffle.

[0013] Compared with the prior art, the utility model provides an extruder cooling device for biodegradable material product production, which has the following beneficial effects:

[0014] 1. The utility model discloses a mercury, which can control the water pump according to the water temperature change, so that the extruder screw of biodegradable material product production keeps constant temperature state, guarantees the normal operation of production, thereby improve the ability of cooling device temperature adjustment.

[0015] 2. The utility model discloses a primary water pump control, which controls the water pump speed, thereby speeds up the cooling water circulation, and more cooling water is quickly replaced after temperature rise, so that the temperature of the extruder screw of biodegradable material product production recovers to normal state quickly, guarantees the normal operation of production, and further improves the temperature adjustment ability of the temperature controller.

[0016] 3. The utility model discloses an overtemperature control, which can immediately sound and light alarm when the extruder screw of biodegradable material product production appears overtemperature state, and the worker immediately adjusts effectively at this time, so as to guarantee the overtemperature protection ability of the temperature controller.

[0017] The parts not involved in the device are the same as or can be realized by the prior art, and the utility model has the advantages of simple structure and convenient operation. ACCURACY OF DRAWINGS

[0018] Figure 1 The utility model proposes a kind of overall structure schematic view of extruder cooling device for biodegradable material product production;

[0019] Figure 2 A cooling circulation structure schematic view of an extruder cooling device for biodegradable material product production is provided in the utility model;

[0020] Figure 3 An A place enlarged structure schematic view of an extruder cooling device for biodegradable material product production is provided in the utility model;

[0021] Figure 4 A B place enlarged structure schematic view of an extruder cooling device for biodegradable material product production is provided in the utility model;

[0022] Figure 5 A C place enlarged structure schematic view of an extruder cooling device for biodegradable material product production is provided in the utility model;

[0023] Figure 6 A D place enlarged structure schematic view of an extruder cooling device for biodegradable material product production is provided in the utility model.

[0024] In the drawing: 1, primary cooling pool;2, secondary cooling pool;3, temperature controller;4, heated block;5, mercury;6, primary water pump control;7, secondary water pump control;8, over-temperature control;9, spray pipe;10, input pipe;11, water pump group;12, alarm lamp;13, output pipe;14, insulating support;15, inner shaft;16, outer shaft;17, baffle;18, fan blade;19, conductive block;20, sprayer;23, filter hole;24, filter plate. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Embodiment: An extruder cooling device for biodegradable material product production, like Figure 1 - Figure 6As shown, including a first cooling pool 1, the outside of the first cooling pool 1 is connected with output pipe 13, the outside of the first cooling pool 1 is fixedly installed with temperature controller 3, the outside of the output pipe 13 is fixedly connected with heated block 4, the end away from the output pipe 13 of the heated block 4 is fixedly connected to the inside of the temperature controller 3, and is not communicated, the inside of the temperature controller 3 is provided with mercury 5, the mercury 5 is located in the lower half of the temperature controller 3, the outside upper end of the temperature controller 3 is fixedly installed with alarm lamp 12, the inside of the temperature controller 3 is fixedly installed with first water pump control 6 on the opposite sides close to the mercury 5, the opposite sides away from the mercury 5 of the temperature controller 3 are fixedly installed with over-temperature control 8, the first water pump control 6 and the over-temperature control 8 are fixedly installed with second water pump control 7, the inside of the temperature controller 3 is provided with electrically conductive block 19, the electrically conductive block 19 is at least three, the three electrically conductive blocks 19 are all fixedly connected with insulating struts 14, the electrically conductive block 19 and the insulating struts 14 are located on the upper end of the mercury 5.

[0028] When the extruder of the biodegradable material product production starts to work, the cooling device starts to work, at this time the water pump of the output pipe 13 starts to work, at this time the cooling water circulating out enters the first cooling pool 1 through the output pipe 13, the water with a certain temperature enters the inside of the heated block 4 through the output pipe 13, and the mercury 5 contacts the outside of the heated block 4, when the screw temperature of the extruder of the biodegradable material product production is normal, at this time the temperature of the circulating cooling water is normal, the mercury 5 does not expand, when the screw temperature of the extruder of the biodegradable material product production rises, at this time the temperature of the circulating cooling water rises, the mercury 5 starts to expand and move upwards in the temperature controller 3, and the insulating support 14 and the conductive block 19 move upwards, when the upper conductive block 19 moves to the first water pump control 6, the first water pump control 6 increases the rotating speed of the water pump to speed up the circulation of the cooling water, when the screw temperature of the extruder of the biodegradable material product production continues to rise, the temperature of the circulating cooling water continues to rise, at this time the mercury 5 continues to expand and move upwards, when the upper conductive block 19 moves to the second water pump control 7, the second water pump control 7 controls another water pump to start to work, the middle conductive block 19 moves to the first water pump control 6 at this time, when the screw temperature of the extruder of the biodegradable material product production continues to rise, the temperature of the circulating cooling water continues to rise, the mercury 5 continues to expand and move, when the upper conductive block 19 expands and moves to the over-temperature control 8, the middle conductive block 19 moves to the second water pump control 7, and the lower conductive block 19 moves to the first water pump control 6, at this time the over-temperature control 8 controls the alarm lamp 12 to start to flash and sends out an alarm sound, when the screw temperature of the extruder of the biodegradable material product production decreases, the temperature of the circulating cooling water decreases, the mercury 5 starts to contract and move downwards, when the conductive block 19 does not contact the over-temperature control 8, the alarm lamp 12 stops flashing and the alarm sound stops, when the screw temperature of the extruder of the biodegradable material product production decreases again, the temperature of the circulating cooling water decreases again, the mercury 5 continues to contract and move downwards, when the conductive block 19 does not contact the second water pump control 7, the water pump loses power supply, at this time the water pump stops working, when the screw temperature of the extruder of the biodegradable material product production continues to decrease, the temperature of the circulating cooling water continues to decrease, the mercury 5 continues to contract and move downwards, when the mercury 5 contracts to the lower half of the temperature controller 3, the conductive block 19 does not contact the first water pump control 6, and the frequency converter starts to adjust, the rotating speed of the water pump decreases, and the circulation speed of the cooling water decreases, by setting the mercury 5, the water pump can be controlled according to the water temperature change, so that the screw of the extruder of the biodegradable material product production maintains a constant temperature state, ensures the normal operation of the production, thereby improving the temperature adjusting capacity of the cooling device, by setting the first water pump control 6, the rotating speed of the water pump is controlled, so that the circulation of the cooling water is accelerated, more cooling water quickly replaces the cooling water after temperature rise, so that the screw temperature of the extruder of the biodegradable material product production quickly returns to the normal state, ensures the normal operation of the production,Further improve the temperature control instrument 3, by setting the two-stage water pump control 7, so that it controls another water pump operation, so that two water pumps run simultaneously, thereby further accelerating the circulation of cooling water, so that the production of biodegradable material products extruder screw temperature quickly returned to normal, to ensure the normal operation of production, further improve the temperature control instrument 3, by setting the over-temperature control 8, so that it can immediately sound and light alarm when the biodegradable material products extruder screw appears over-temperature state, at this time the workers immediately effective adjustment, so as to ensure the over-temperature protection ability of temperature control instrument 3.

[0029] As shown in Figure 1 - Figure 6 The inner wall of the first cooling pool 1 is fixedly installed with a spraying pipe 9 on the upper half, and the output pipe 13 extends into the first cooling pool 1. The spraying pipe 9 is fixedly connected with the output pipe 13, and the spraying pipe 9 is fixedly installed with a sprayer 20 on the outside. The inner wall of the first cooling pool 1 is fixedly connected with a filter plate 24 on the lower half, and the filter plate 24 is provided with filter holes 23 on the outside.

[0030] When the circulating cooling water enters the inside of the spraying pipe 9 through the inside of the output pipe 13, the cooling water is sprayed in the sprayer 20 and falls into the first cooling pool 1. At this time, the cooling water enters the next cooling link through the filter holes 23 on the filter plate 24. By arranging a plurality of sprayers 20, the circulating cooling water is changed into water droplets and fully contacts with air, so that it is quickly cooled, thereby ensuring that the cooling water can continue to circulate. By arranging a plurality of filter holes 23, the sundries falling into the open first cooling pool 1 are filtered to prevent them from entering the circulating interior and causing the water pump to be blocked, so that the circulation is terminated and the normal production is affected, thereby ensuring the normal operation of the cooling device.

[0031] As shown in Figure 1 - Figure 6 The outer side of the middle section of the output pipe 13 is fixedly installed with a water pump group 11, and the water pump group 11 has at least two. The end of the output pipe 13 away from the water pump group 11 is fixedly connected with a baffle 17.

[0032] The input pipe 10 is fixedly connected with another water pump group 11 on the outer side of the middle section.

[0033] The first cooling pool 1 is provided with a second cooling pool 2 at the lower end, and the outer side of the lower half of the second cooling pool 2 is fixedly connected with the input pipe 10.

[0034] When the biodegradable material product production extruder starts to work, the cooling device starts to run, at this time the water pump group 11 at the output pipe 13 starts to run, so that it can extract the cooling water in the biodegradable material product production extruder screw and output it into the first cooling pool 1, when the rotating speed is increased, the rotating speed of the water pump of the water pump group 11 at the output pipe 13 is increased, so that the cooling water in the biodegradable material product production extruder screw is quickly extracted through the sealed baffle 17, when another water pump starts to run, at this time the water pump of the water pump group 11 at the input pipe 10 starts to run, and extracts the cooled cooling water in the second cooling pool 2 and inputs it into the biodegradable material product production extruder screw through the sealed baffle 17, so as to speed up the circulation of the cooling water in the biodegradable material product production extruder screw. By arranging the water pump group 11, it can run alone and in parallel, so that the biodegradable material product production extruder cooling device can cool according to the different temperature of the biodegradable material product production extruder screw, so as to improve the cooling capacity of the biodegradable material product production extruder cooling device. By arranging the baffle 17, it can be connected to the output pipe 13 and the input pipe 10, so that it can ensure the normal operation of the biodegradable material product production extruder while cooling, so as to ensure the cooling capacity of the biodegradable material product production extruder cooling device.

[0035] As shown in Figure 1 Figure 6 The upper end of the second cooling pool 2 is provided with an outer shaft 16, which is located between the first cooling pool 1 and the second cooling pool 2, and the inner shaft 15 is arranged in the outer shaft 16.

[0036] One end of the inner shaft 15 is fixedly connected with the outer shaft 16, the outer side of the outer shaft 16 is fixedly installed with the fan blade 18, and the outer shaft 16 and the inner shaft 15 are rotatably connected with the baffle 17.

[0037] ​When the cooling water after initial cooling falls between the first cooling pool 1 and the second cooling pool 2, the shaft of the extruder screw for biodegradable material product production, the driving motor shaft and the outer shaft 16 and the inner shaft 15 are the same shaft at this time, the fan blade 18 starts to rotate following the rotation of the outer shaft 16, when the fused cooling water falls here, the fan blade 18 will beat and break it into small water beads again, at the same time, the rotation of the fan blade 18 reduces the temperature between the first cooling pool 1 and the second cooling pool 2, so that the small water beads are in full contact with the low-temperature air, so that the cooling water is cooled again, by arranging the outer shaft 16 and the inner shaft 15, the cooling water enters the cavity between the outer shaft 16 and the inner shaft 15, so that the extruder screw for biodegradable material product production is cooled, thereby ensuring the cooling effect of the extruder cooling device for biodegradable material product production, by arranging the fan blade 18, the surrounding air temperature is reduced while the cooling water is broken, so that the cooling water temperature is reduced again, thereby further improving the cooling effect of the extruder cooling device for biodegradable material product production.

[0038] Working principle: when the extruder for biodegradable material product production starts to work, the cooling device starts to run, the water pump set 11 at the output pipe 13 starts to run, the cooling water in the extruder screw for biodegradable material product production is pumped out, the cooling water enters the inside of the heating block 4 and the inside of the spraying pipe 9 through the output pipe 13 respectively, when the mercury 5 contacts the outside of the heating block 4, the mercury 5 moves upward, the insulating support 14 and the conductive block 19 move upward, when the conductive block 19 moves to the first water pump control 6, the first water pump control 6 increases the water pump speed, when the conductive block 19 continues to move to the second water pump control 7, another water pump starts to run, when the conductive block 19 continues to move to the over-temperature control 8, the over-temperature control 8 controls the alarm lamp 12 to flash and emits an alarm sound, when the temperature of the extruder screw for biodegradable material product production decreases, the mercury 5 moves downward, when the conductive block 19 does not contact the over-temperature control 8, the alarm lamp 12 stops flashing and the alarm sound stops, when the mercury 5 continues to move, the conductive block 19 does not contact the second water pump control 7, the water pump stops running, when the mercury 5 continues to move downward, the conductive block 19 does not contact the first water pump control 6, the water pump speed decreases, at the same time, the cooling water enters the inside of the spraying pipe 9 through the output pipe 13, is sprayed out through the sprayer 20, the water beads enter between the first cooling pool 1 and the second cooling pool 2 through the filter holes 23 on the filter plate 24, the fan blade 18 rotates following the rotation of the outer shaft 16, beats and breaks it into small water beads again into the second cooling pool 2.

[0039] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An extruder cooling device for the production of biodegradable material products, comprising a primary cooling bath (1), characterized in that, The output pipe (13) is fixedly connected outside the first cooling pool (1), a temperature controller (3) is fixedly installed outside the first cooling pool (1), a heated block (4) is fixedly connected outside the output pipe (13), one end of the heated block (4) away from the output pipe (13) is fixedly connected to the inside of the temperature controller (3) and is not communicated, mercury (5) is arranged in the temperature controller (3), the mercury (5) is located in the lower half of the temperature controller (3), an alarm lamp (12) is fixedly installed at the upper end outside the temperature controller (3), first water pump controls (6) are fixedly installed on the opposite sides of the temperature controller (3) close to the mercury (5), over-temperature controls (8) are fixedly installed on the opposite sides of the temperature controller (3) away from the mercury (5), second water pump controls (7) are fixedly installed between the first water pump controls (6) and the over-temperature controls (8), and conductive blocks (19) are arranged in the temperature controller (3). The conductive blocks (19) are at least three, insulating struts (14) are fixedly connected between the three conductive blocks (19), and the conductive blocks (19) and the insulating struts (14) are located at the upper end of the mercury (5).

2. An extruder cooling device for the production of biodegradable material products according to claim 1, characterized in that, A spraying pipe (9) is fixedly installed on the inner wall of the upper half of the first cooling pool (1), the output pipe (13) extends into the first cooling pool (1), the spraying pipe (9) is fixedly connected with the output pipe (13), a sprayer (20) is fixedly installed outside the spraying pipe (9), and a filter plate (24) is fixedly connected to the inner wall of the lower half of the first cooling pool (1). Filter holes (23) are formed in the filter plate (24).

3. An extruder cooling device for the production of biodegradable material products according to claim 2, characterized in that, A water pump group (11) is fixedly installed outside the middle section of the output pipe (13), the water pump group (11) is at least two, and a baffle (17) is fixedly connected to one end of the output pipe (13) away from the water pump group (11).

4. An extruder cooling device for the production of biodegradable material products according to claim 3, characterized in that, The baffle (17) is fixedly connected with an input pipe (10) on the side away from the output pipe (13), and the middle section of the input pipe (10) is fixedly connected with another water pump group (11).

5. An extruder cooling device for the production of biodegradable material articles according to claim 4, characterized in that, A second cooling pool (2) is arranged at the lower end of the first cooling pool (1), and the lower half of the outer side of the second cooling pool (2) is fixedly connected with the input pipe (10).

6. An extruder cooling device for the production of biodegradable material articles according to claim 5, characterized in that, An outer shaft (16) is arranged at the upper end of the second cooling pool (2), the outer shaft (16) is located between the first cooling pool (1) and the second cooling pool (2), and an inner shaft (15) is arranged in the outer shaft (16).

7. An extruder cooling device for the production of biodegradable material articles according to claim 6, characterized in that, One end of the inner shaft (15) is fixedly connected with the outer shaft (16), a fan blade (18) is fixedly installed outside the outer shaft (16), and the outer shaft (16) and the inner shaft (15) are rotationally connected with the baffle (17).