Anti-solidification automatic discharging device for degradable plastic production

By employing an anti-solidification automatic feeding device in the production of biodegradable plastics, and utilizing a combination of heat transfer oil circulation heating and a stirring mechanism, the solidification problem caused by uneven heating has been solved, resulting in cost reduction and efficiency improvement.

CN223657350UActive Publication Date: 2025-12-12HEILONGJIANG INST OF QUALITY SUPERVISION & TESTING
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Patent Information

Application Number
CN202423305420.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing heating and stirring devices in the production of biodegradable plastics tend to cause solidification in parts far from the heating element, resulting in wasted heat, high costs, and reduced work efficiency.

Method used

An anti-solidification automatic feeding device is adopted, which includes a heating mechanism and a stirring mechanism. The pump body and electric heating tube are controlled by the control panel to circulate and heat the heat transfer oil. Combined with the stirring blade driven by the servo motor, the plastic is stirred evenly to prevent solidification.

Benefits of technology

It effectively prevents the solidification of biodegradable plastics, reduces usage costs, improves work efficiency, and reduces heat waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-solidification automatic blanking device for degradable plastic production, which comprises a blanking assembly, the blanking assembly comprises a box body, a heating mechanism, a stirring mechanism, a feed hopper, a discharge pipe and a first electromagnetic valve, the inside of the box body is respectively provided with a conical stirring cavity, a heating cavity, a circular through hole, a circular operation cavity and a mounting cavity; the pump body and the electric heating pipe are started through the control panel, the electric heating pipe is used for heating and melting degradable plastics in the conical stirring cavity on the box body, afterwards, redundant heat generated by the electric heating pipe is used for heating conduction oil in the heating cavity, and the heated conduction oil in the heating cavity is conveyed into the heating cavity through the conveying pipe by the pump body. Therefore, the heat conduction oil is circulated through the spiral plate, the degradable plastic in the conical stirring cavity on the box body is subjected to auxiliary heating and melting, the degradable plastic is prevented from being solidified, the use cost is reduced, heat waste is avoided, and the working efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of biodegradable plastic production technology, and in particular to an automatic feeding device for preventing solidification in biodegradable plastic production. Background Technology

[0002] Biodegradable plastics are plastics that, under certain environmental conditions, can be broken down into small molecules in a short time through the action of microorganisms or natural chemical processes, and can ultimately be absorbed by the environment, reducing long-term pollution. During the production of biodegradable plastics, they need to be heated and stirred to prevent them from solidifying.

[0003] Existing heating and stirring devices typically install heating tubes above or below the heating box, which reduces the heating effect in areas far from the heating tubes, easily causing biodegradable plastics to solidify, increasing usage costs, and wasting excess heat from the heating tubes, thus reducing work efficiency. To address this, an automatic feeding device for preventing solidification in biodegradable plastic production is proposed. Utility Model Content

[0004] In view of this, the present invention aims to provide an automatic feeding device for preventing solidification in the production of biodegradable plastics, so as to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0005] The technical solution of this utility model embodiment is implemented as follows: An automatic anti-solidification feeding device for biodegradable plastic production includes a feeding assembly, which includes a housing, a heating mechanism, a stirring mechanism, a feeding hopper, a discharge pipe, and a first solenoid valve. The housing has a conical stirring chamber, a heating chamber, a circular through hole, a circular operating chamber, and a mounting chamber, all of which are interconnected. The feeding hopper penetrates the upper surface of the housing and is fixedly connected to the housing, and is also connected to the circular operating chamber. The heating mechanism and the stirring mechanism are both mounted on the housing, and a control panel is located on the exterior of the housing. The discharge pipe penetrates the lower surface of the housing and is fixedly connected to the housing, and is also connected to the conical stirring chamber. The first solenoid valve is located on the outer wall of the discharge pipe, and the control panel is electrically connected to the heating mechanism, the stirring mechanism, and the first solenoid valve via wires.

[0006] In some embodiments, the heating mechanism includes a transmission pipe, a pump body, a spiral plate, an electric heating element, a liquid inlet pipe, a second solenoid valve, an exhaust pipe, and an exhaust valve. The pump body is disposed on the inner bottom wall of the heating chamber, which is filled with heat-conducting oil. One end of the transmission pipe penetrates the housing and is disposed at the liquid outlet of the pump body, while the other end of the transmission pipe penetrates the housing and is connected to the heating chamber. The transmission pipe is fixedly connected to the housing. The spiral plate is disposed on the inner wall of the heating chamber, and the electric heating element is disposed on the inner wall of the mounting cavity. One end of the liquid inlet pipe and the exhaust pipe penetrate the housing, and both the liquid inlet pipe and the exhaust pipe are connected to the heating chamber. Both the liquid inlet pipe and the exhaust pipe are fixedly connected to the housing. The second solenoid valve is disposed on the outer wall of the liquid inlet pipe, and the outer wall of the exhaust valve is disposed on the outer wall of the exhaust pipe. The control panel is electrically connected to the pump body, the electric heating element, the second solenoid valve, and the exhaust valve via wires.

[0007] In some embodiments, the stirring mechanism includes a servo motor, an annular block, a plurality of irregularly shaped stirring blades, an annular bevel gear, and a bevel gear. The servo motor is disposed on the outer wall of the housing, and its output shaft passes through the housing. The annular block is rotatably connected to the inner wall of the circular operating cavity, and the annular bevel gear is disposed on the outer wall of the annular block. The bevel gear is disposed on the output shaft of the servo motor, and meshes with the annular bevel gear. A plurality of irregularly shaped stirring blades are evenly disposed on the lower surface of the annular block, and pass through the circular through-hole. The control panel is electrically connected to the servo motor via electrical wires.

[0008] In some embodiments, the outer wall of the housing is provided with a mounting plate, and the lower surface of the servo motor is disposed on the upper surface of the mounting plate.

[0009] In some embodiments, a mounting bracket is provided on the lower surface of the housing, and the control panel is disposed on the outer wall of the mounting bracket.

[0010] The present invention has the following advantages due to the adoption of the above technical solution:

[0011] I. This utility model activates the pump body and heating element via a control panel. The heating element heats and melts the biodegradable plastic in the conical stirring chamber of the housing. The excess heat generated by the heating element then heats the heat-conducting oil in the heating chamber. The pump body transfers the heated oil from the heating chamber to the heating chamber via a transmission pipe, allowing the oil to circulate through a spiral plate. This provides auxiliary heating and melting of the biodegradable plastic in the conical stirring chamber, preventing solidification, reducing operating costs, avoiding heat waste, and improving work efficiency.

[0012] II. This utility model uses the output shaft of a servo motor to drive a bevel gear to rotate, which in turn drives a ring bevel gear to rotate, which in turn drives several irregularly shaped stirring blades to rotate. This is used to stir the molten biodegradable plastic in the conical stirring chamber, making the temperature of the molten biodegradable plastic more uniform, further preventing the biodegradable plastic from solidifying, thereby reducing usage costs, avoiding heat waste, and improving work efficiency.

[0013] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a structural diagram of the present invention;

[0016] Figure 2 This is a front view structural diagram of the present invention;

[0017] Figure 3 This utility model Figure 2 AA side section structural diagram;

[0018] Figure 4 This utility model Figure 3 Enlarged structural diagram of region B;

[0019] Figure 5 This utility model Figure 3 Enlarged structural diagram of region C;

[0020] Figure 6 This utility model Figure 3 Enlarged structural diagram of region D.

[0021] Reference numerals: 1. Feeding assembly; 2. Mounting plate; 3. Mounting bracket; 4. Control panel; 5. Conical stirring chamber; 6. Heating chamber; 7. Circular through hole; 8. Circular operating chamber; 9. Mounting chamber; 10. Housing; 11. Heating mechanism; 12. Stirring mechanism; 13. Feed hopper; 14. Discharge pipe; 15. First solenoid valve; 110. Transmission pipe; 111. Pump body; 112. Spiral plate; 113. Heating element; 114. Liquid inlet pipe; 115. Second solenoid valve; 116. Exhaust pipe; 117. Exhaust valve; 120. Servo motor; 121. Annular block; 122. Irregular stirring blade; 123. Annular bevel gear; 124. Bevel gear. Detailed Implementation

[0022] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0023] It is important to note that terms such as "first," "second," "symmetric," and "array" are used only to distinguish between descriptive and positional descriptions and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified with terms such as "first" or "symmetric" may explicitly or implicitly include one or more of that feature; similarly, when the quantity of certain features is not limited by words such as "two" or "three," it should be noted that such features also explicitly or implicitly include one or more features.

[0024] In this invention, unless otherwise explicitly specified and limited, terms such as "installation," "connection," and "fixation" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection, a direct connection, a welding connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the accompanying drawings and specific circumstances.

[0025] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0026] like Figures 1-6As shown, this utility model embodiment provides an automatic anti-solidification feeding device for biodegradable plastic production, including a feeding assembly 1. The feeding assembly 1 includes a housing 10, a heating mechanism 11, a stirring mechanism 12, a feeding hopper 13, a discharge pipe 14, and a first solenoid valve 15. The housing 10 has a conical stirring chamber 5, a heating chamber 6, a circular through hole 7, a circular operating chamber 8, and a mounting chamber 9, all of which are interconnected. The feeding hopper 13 penetrates the upper surface of the housing 10 and... The hopper 13 is fixedly connected to the box body 10. The feed hopper 13 is connected to the circular operating chamber 8. The heating mechanism 11 and the stirring mechanism 12 are both set on the box body 10. The control panel 4 is set on the outside of the box body 10. The discharge pipe 14 passes through the lower surface of the box body 10 and is fixedly connected to the box body 10. The discharge pipe 14 is connected to the conical stirring chamber 5. The first solenoid valve 15 is set on the outer wall of the discharge pipe 14. The control panel 4 is electrically connected to the heating mechanism 11, the stirring mechanism 12 and the first solenoid valve 15 through wires.

[0027] In this embodiment, the heating mechanism 11 specifically includes a transmission pipe 110, a pump body 111, a spiral plate 112, an electric heating element 113, an inlet pipe 114, a second solenoid valve 115, an exhaust pipe 116, and an exhaust valve 117. The pump body 111 is located on the inner bottom wall of the heating chamber 6, which is filled with heat-conducting oil (not shown in the figure). One end of the transmission pipe 110 penetrates the housing 10 and is located at the outlet of the pump body 111, while the other end of the transmission pipe 110 penetrates the housing 10 and is connected to the heating chamber 6. The transmission pipe 110 is fixedly connected to the housing 10. The spiral plate 112 is located on the inner wall of the heating chamber 6, and the electric heating element 113 is located on the inner wall of the mounting cavity 9. One end of the inlet pipe 114 and the exhaust pipe 116 penetrates the housing 10, and both the inlet pipe 114 and the exhaust pipe 116 are connected to the heating chamber. The inlet pipe 114 and the exhaust pipe 116 are both fixedly connected to the housing 10. The second solenoid valve 115 is installed on the outer wall of the inlet pipe 114, and the outer wall of the exhaust valve 117 is installed on the outer wall of the exhaust pipe 116. The control panel 4 is electrically connected to the pump body 111, the heating element 113, the second solenoid valve 115, and the exhaust valve 117 via wires. The heating element 113 is used to heat and melt the biodegradable plastic in the conical stirring chamber 5 on the housing 10. After that, the excess heat generated by the heating element 113 heats the heat transfer oil in the heating chamber 6. The pump body 111 transfers the heated heat transfer oil in the heating chamber 6 to the heating chamber 6 through the transmission pipe 110, so that the heat transfer oil circulates through the spiral plate 112, thereby assisting in heating and melting the biodegradable plastic in the conical stirring chamber 5 on the housing 10.

[0028] In this embodiment, specifically, the stirring mechanism 12 includes a servo motor 120, an annular block 121, several irregularly shaped stirring blades 122, an annular bevel gear 123, and a bevel gear 124. The servo motor 120 is disposed on the outer wall of the housing 10, and its output shaft passes through the housing 10. The annular block 121 is rotatably connected to the inner wall of the circular operating cavity 8, and the annular bevel gear 123 is disposed on the outer wall of the annular block 121. The bevel gear 124 is disposed on the output shaft of the servo motor 120, and the bevel gear 124 is connected to the annular bevel gear 122. The teeth 123 mesh with each other, and several irregularly shaped stirring blades 122 are evenly arranged on the lower surface of the annular block 121. The several irregularly shaped stirring blades 122 pass through the circular through hole 7. The control panel 4 is electrically connected to the servo motor 120 through wires. The output shaft of the servo motor 120 drives the bevel gear 124 to rotate. The bevel gear 124 drives the annular bevel teeth 123 to rotate. The annular bevel teeth 123 drive the several irregularly shaped stirring blades 122 to rotate, which is used to stir the molten biodegradable plastic in the conical stirring chamber 5.

[0029] In this embodiment, specifically, the outer wall of the housing 10 is provided with a mounting plate 2, and the lower surface of the servo motor 120 is provided on the upper surface of the mounting plate 2. The mounting plate 2 is used to fix the servo motor 120 on the housing 10.

[0030] In this embodiment, specifically, a mounting bracket 3 is provided on the lower surface of the housing 10, and a control panel 4 is provided on the outer wall of the mounting bracket 3.

[0031] In operation, the biodegradable plastic is fed into the conical stirring chamber 5 on the housing 10 through the feed hopper 13. The biodegradable plastic passes through the annular block 121 and the circular through hole 7 in sequence. Then, the personnel start the pump body 111, the electric heating tube 113, the exhaust valve 117 and the servo motor 120 through the control panel 4. The electric heating tube 113 is used to heat and melt the biodegradable plastic in the conical stirring chamber 5 on the housing 10. Afterwards, the excess heat generated by the electric heating tube 113 heats the heat transfer oil in the heating chamber 6. The pump body 111 transfers the heated heat transfer oil in the heating chamber 6 to the heating chamber 6 through the transmission pipe 110, so that the heat transfer oil circulates through the spiral plate 112, thereby assisting in heating and melting the biodegradable plastic in the conical stirring chamber 5 on the housing 10.

[0032] Subsequently, the output shaft of the servo motor 120 drives the bevel gear 124 to rotate, the bevel gear 124 drives the annular bevel gear 123 to rotate, and the annular bevel gear 123 drives several irregularly shaped stirring blades 122 to rotate, which is used to stir the molten biodegradable plastic in the conical stirring chamber 5, so that the temperature inside the molten biodegradable plastic is more uniform.

[0033] The exhaust valve 117 is used to discharge the hot gas generated in the heating chamber 6 to avoid excessive pressure in the heating chamber 6 and the risk of explosion.

[0034] When the heat transfer oil in the heating chamber 6 needs to be added, the relevant personnel control the inlet pipe 114 to open through the control panel 4 and connect the external pipe to the inlet pipe 114 to transfer the heat transfer oil into the heating chamber 6 through the inlet pipe 114.

[0035] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. An automatic feeding device for preventing solidification in the production of biodegradable plastics, comprising a feeding assembly (1), characterized in that: The feeding assembly (1) includes a housing (10), a heating mechanism (11), a stirring mechanism (12), a feeding hopper (13), a discharge pipe (14), and a first solenoid valve (15), wherein, The interior of the housing (10) is provided with a conical stirring chamber (5), a heating chamber (6), a circular through hole (7), a circular operating chamber (8), and an installation chamber (9), and the conical stirring chamber (5), the circular through hole (7), and the circular operating chamber (8) are interconnected. The feed hopper (13) penetrates the upper surface of the box (10) and is fixedly connected to the box (10). The feed hopper (13) is connected to the circular operating cavity (8). The heating mechanism (11) and the stirring mechanism (12) are both mounted on the housing (10), and a control panel (4) is mounted on the outside of the housing (10). The discharge pipe (14) penetrates the lower surface of the box (10) and is fixedly connected to the box (10). The discharge pipe (14) is connected to the conical stirring chamber (5). The first solenoid valve (15) is disposed on the outer wall of the discharge pipe (14), and the control panel (4) is electrically connected to the heating mechanism (11), the stirring mechanism (12) and the first solenoid valve (15) via wires.

2. The automatic feeding device for preventing solidification in biodegradable plastic production according to claim 1, characterized in that: The heating mechanism (11) includes a transmission pipe (110), a pump body (111), a spiral plate (112), an electric heating element (113), a liquid inlet pipe (114), a second solenoid valve (115), an exhaust pipe (116), and an exhaust valve (117), wherein, The pump body (111) is disposed on the inner bottom wall of the heating chamber (6), and the heating chamber (6) is filled with heat-conducting oil; One end of the transmission pipe (110) passes through the box body (10) and is located at the outlet of the pump body (111), and the other end of the transmission pipe (110) passes through the box body (10). The other end of the transmission pipe (110) is connected to the heating chamber (6). The transmission pipe (110) is fixedly connected to the box body (10). The spiral plate (112) is disposed on the inner wall of the heating chamber (6), and the electric heating tube (113) is disposed on the inner wall of the mounting chamber (9); One end of the liquid inlet pipe (114) and the exhaust pipe (116) penetrates the housing (10), and both the liquid inlet pipe (114) and the exhaust pipe (116) are connected to the heating chamber (6). Both the liquid inlet pipe (114) and the exhaust pipe (116) are fixedly connected to the housing (10). The second solenoid valve (115) is provided on the outer wall of the inlet pipe (114), and the outer wall of the exhaust valve (117) is provided on the outer wall of the exhaust pipe (116); The control panel (4) is electrically connected to the pump body (111), the heating element (113), the second solenoid valve (115), and the exhaust valve (117) via wires.

3. The automatic feeding device for preventing solidification in biodegradable plastic production according to claim 1, characterized in that: The stirring mechanism (12) includes a servo motor (120), an annular block (121), several irregularly shaped stirring blades (122), annular bevel teeth (123), and bevel gears (124), wherein, The servo motor (120) is disposed on the outer wall of the housing (10), and the output shaft of the servo motor (120) passes through the housing (10); The annular block (121) is rotatably connected to the inner wall of the circular operating cavity (8), and the annular bevel tooth (123) is disposed on the outer wall of the annular block (121); The bevel gear (124) is disposed on the output shaft of the servo motor (120), and the bevel gear (124) meshes with the annular bevel gear (123); A plurality of the irregularly shaped stirring blades (122) are evenly disposed on the lower surface of the annular block (121), and the plurality of the irregularly shaped stirring blades (122) pass through the circular through hole (7); The control panel (4) is electrically connected to the servo motor (120) via wires.

4. The automatic feeding device for preventing solidification in biodegradable plastic production according to claim 3, characterized in that: The outer wall of the housing (10) is provided with a mounting plate (2), and the lower surface of the servo motor (120) is provided on the upper surface of the mounting plate (2).

5. The automatic feeding device for preventing solidification in biodegradable plastic production according to claim 1, characterized in that: The lower surface of the housing (10) is provided with a mounting bracket (3), and the control panel (4) is located on the outer wall of the mounting bracket (3).