Kneading machine cylinder body with composite heating function

Abstract

The utility model discloses a kneading machine cylinder body with a composite heating function, which is used for solving the technical problem that the heating mode cannot be switched in real time or the composite heating function cannot be realized when the kneading machine cylinder body is used for coping with some materials needing to change the heating mode in the prior art. The heating cylinder comprises a cylinder body outer layer, a cylinder body inner layer and a heating interlayer, a fluid pipeline and an electric heating chamber are arranged in the heating interlayer; the fluid pipeline is longitudinally arranged, and the periphery of the outer wall of the inner layer of the cylinder body is wrapped and covered with a pipeline-shaped structure bent back and forth; the electric heating chamber is provided with electric heating wires which are laid at the bottom of the heating interlayer in rows and located in a long-strip-shaped cavity in the bottom of the outer layer of the cylinder body. The two heating modes do not influence each other and can be carried out at the same time, and the problem that the heating modes cannot be switched in real time and composite heating cannot be achieved is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange of kneading devices, in particular to a composite heated kneading machine cylinder. Background Art

[0002] Kneader is a special mixing and stirring equipment, mainly used for kneading, mixing, vulcanizing and polymerizing high viscosity and elastic-plastic materials. It can be used in the production of silicone rubber, sealant, hot melt adhesive, food adhesive base, pharmaceutical preparations and other production fields. During the operation of the kneader, the kneader cylinder needs to be heated or cooled by heat exchange treatment. The methods usually used for heat exchange treatment of the kneader cylinder are electric heating and fluid heating.

[0003] However, the kneading machine cylinder in the prior art cannot use two heating methods in combination, and the heating mode is not flexible enough, which is very inconvenient for producing some materials that need to change the heating mode or use different heating methods in combination. Utility Model Content

[0004] The utility model discloses a composite-heating kneading machine cylinder body, which is used to solve the technical problem in the prior art that it is very inconvenient to produce some materials that need to change the heating mode or mix and heat.

[0005] The utility model provides a composite heated kneading machine cylinder, comprising: a cylinder outer layer, a cylinder inner layer and a heating interlayer; the heating interlayer is a cavity between the cylinder outer layer and the cylinder inner layer, and a fluid pipeline and an electric heating chamber are arranged in the heating interlayer. The fluid pipeline is a pipeline-shaped structure that bends back and forth and is arranged in the heating interlayer; the electric heating chamber is a cavity structure of the heating interlayer except the fluid pipe.

[0006] Preferably, the fluid pipeline is arranged longitudinally, and its pipeline-like structure that bends back and forth is wrapped around the outer wall of the inner layer of the cylinder body.

[0007] The outer side wall of the cylinder body is evenly provided with a fixing structure to fix the fluid pipeline in the heating interlayer, and the bottom of the outer bottom of the cylinder body is provided with a long strip-shaped cavity; preferably, the fixing structure is a bolt structure.

[0008] In the electric heating chamber, electric heating wires are arranged in rows at the bottom of the heating interlayer and are located in the long strip-shaped cavity at the bottom of the outer layer of the cylinder body.

[0009] The upper end of the side outer wall of the outer layer of the cylinder body is provided with a fluid outlet, which is connected to the fluid pipeline; meanwhile, the bottom of the outer layer of the cylinder body is provided with a fluid inlet, which is connected to the fluid pipeline.

[0010] A heat transfer oil inlet is provided at the upper end of the side outer wall of the outer layer of the cylinder body, and the heat transfer oil inlet is connected to the electric heating chamber.

[0011] It can be seen from the above technical scheme that the utility model has the following advantages: in the utility model, a fluid pipeline of a pipe-like structure arranged longitudinally and bent back and forth is arranged in the heating interlayer, and the fluid pipeline is wrapped around the outer wall of the inner layer of the cylinder to achieve the function of heating the fluid of the kneading machine cylinder. The heat exchange fluid medium entering from the fluid inlet at the bottom of the outer layer of the cylinder starts from the bottom of the heating interlayer and passes through the entire heating interlayer under the guidance of the fluid pipeline arranged longitudinally and bent back and forth. After sufficient heat exchange, it flows out from the fluid outlet at the upper end of the side outer wall of the outer layer of the cylinder. During the flow process, the heat exchange fluid medium can flow through the entire inner layer of the cylinder in the heating interlayer, and the heat exchange is uniform. At the same time, the heat exchange area between the heating interlayer and the inner layer of the cylinder is increased, so that the heating interlayer can have a sufficient and effective heat exchange with the inner layer of the cylinder. At the same time, the utility model realizes the electric heating function of the kneading machine cylinder by arranging an electric heating chamber in the cavity structure of the heating interlayer except the fluid pipeline. The heat transfer oil enters from the heat transfer oil inlet at the upper end of the side outer wall of the outer layer of the cylinder body, fills most of the electric heating chamber, and fully exchanges the heat generated by the electric heating wire at the bottom of the electric heating chamber with the entire inner layer of the cylinder body, thereby realizing the electric heating function of the kneading machine cylinder body. The utility model simultaneously arranges the fluid pipeline and the electric heating chamber in the heating interlayer, and the two do not affect each other and can be used together, thereby realizing the function that the heating mode of the kneading machine cylinder body can be freely switched or used together, and can cope with more production environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 A sectional front view of a composite heated kneading machine cylinder provided in an embodiment of the utility model.

[0014] Figure 2 A structural side view of a composite heated kneading machine cylinder provided in an embodiment of the utility model.

[0015] In the figure: 1-fluid pipeline, 2-electric heating chamber, 3-cylinder body outer layer, 4-electric heating wire, 5-fluid outlet, 6-fluid inlet, 7-heat transfer oil inlet, 8-heating interlayer, 9-fixing structure, 10-long strip cavity, 11-cylinder body inner layer. DETAILED DESCRIPTION

[0016] The embodiment of the utility model discloses a composite heating kneading machine cylinder, which is used to solve the technical problems in the prior art that the kneading machine cylinder cannot use two heating methods in combination, the heating mode is not flexible enough, and it is very inconvenient to produce some materials that need to change the heating mode or use different heating methods in combination.

[0017] See also Figure 1 and Figure 2 , Figure 1 A sectional front view of a composite heated kneading machine cylinder provided by an embodiment of the utility model, Figure 2 A structural side view of a composite heated kneading machine cylinder provided in an embodiment of the utility model.

[0018] The following two types of embodiments will be used to illustrate the practical application schemes that can be adopted by the composite heated kneading machine cylinder.

[0019] A composite heating kneading machine cylinder provided in the first embodiment of the present invention comprises: a cylinder inner layer 11 and a cylinder outer layer 3, a heating interlayer 8 is arranged between the cylinder inner layer 11 and the cylinder outer layer 3; a fluid pipeline 1 and an electric heating chamber 2 are arranged in the heating interlayer 8; a long strip-shaped cavity 10 is arranged at the bottom of the cylinder outer layer 3; a fluid outlet 5 and a heat transfer oil inlet 7 are respectively arranged at the upper ends of the side walls on both sides of the cylinder outer layer 3, and a fluid inlet 6 is arranged at the bottom end of the cylinder outer layer 3; the fluid pipeline 1 is a pipeline-like structure that bends back and forth, and its main pipelines are arranged longitudinally and wrapped around the outer wall of the cylinder inner layer 11; the fluid pipeline The longitudinal arrangement of the channel 1 can make the heat exchange between the heat exchange fluid medium and the inner layer 11 of the cylinder body more complete, and realize the heat exchange convection of the upper and lower materials in the cylinder body; the heat exchange fluid medium enters from the fluid inlet 6 at the bottom of the outer layer 3 of the cylinder body, and flows out from the fluid outlet 5 at the upper end of the side wall of the outer layer 3 of the cylinder body after sufficient heat exchange with the inner layer 11 of the cylinder body through the fluid pipeline 1; the heat exchange fluid medium entering from the fluid inlet 6 at the bottom of the outer layer 3 of the cylinder body starts from the bottom of the heating interlayer 8 and passes through the entire heating interlayer 8 under the guidance of the longitudinally arranged and back-and-forth bent fluid pipeline 1, and flows out from the fluid outlet 5 at the upper end of the side outer wall of the outer layer 3 of the cylinder body after sufficient heat exchange. During the flow process, the heat exchange fluid medium can flow through the entire inner layer 11 of the cylinder body in the heating interlayer 8, and the heat exchange is uniform. At the same time, the heat exchange area between the heating interlayer 8 and the inner layer 11 of the cylinder body is increased, so that the heating interlayer 8 can have sufficient and effective heat exchange with the inner layer 11 of the cylinder body, thereby realizing the fluid heating function. The heating of the heat exchange fluid medium is carried out outside the kneading machine cylinder. The heating method can be flexible and changeable, and is not limited by the cylinder itself. If necessary during use, cooling liquid can also be input to realize the cooling function of the material inside the cylinder. The electric heating chamber 2 is a cavity structure in the heating interlayer 8 except for the fluid pipeline 1, which together with the fluid pipeline 1 constitutes the heating interlayer 8. The heating interlayer 8 covers the periphery of the entire cylinder inner layer 11, and can achieve all-round uniform heating. The electric heating chamber 2 is provided with electric heating wires 4 arranged in rows at the bottom of the heating interlayer 8, located in the long strip cavity 10 at the bottom of the cylinder outer layer 3. During use, the electric heating wire 4 can heat the heat transfer oil from the bottom of the electric heating chamber 2; before turning on the electric heating function, the heat transfer oil enters the electric heating chamber 2 from the heat transfer oil inlet 7 at the upper end of the side wall of the outer layer 3 of the cylinder body, filling most of the space of the electric heating chamber 2; after turning on the electric heating wire 4, the heat transfer oil that fills most of the electric heating chamber 2 fully exchanges the heat of the electric heating wire 4 with the inner layer 11 of the cylinder body; the electric heating wire 4 at the bottom of the electric heating chamber 2 heats the surrounding heat transfer oil, and the heat transfer oil forms an upward heat exchange convection. During the convection process, the heat transfer oil brings the heat of the electric heating wire 4 to the entire electric heating chamber 2, and fully exchanges heat with the inner layer 11 of the cylinder body, thereby realizing the function of electric heating.The power of the electric heating wire 4 should be balanced with the temperature of the heat exchange fluid medium, otherwise the heat transfer oil will transfer part of the heat to the fluid pipe 1, or the fluid pipe 1 will transfer part of the heat to the heat transfer oil, affecting the heating efficiency of the cylinder itself.

[0020] In the first embodiment of the utility model, the heating functions of the fluid pipeline 1 and the electric heating chamber 2 do not affect each other and can be performed simultaneously. The heating mode is controlled by an external switch. It is possible to turn on only the electric heating or only the fluid heating, or perform composite heating during use or switch at any time. Different heating strategies are selected based on different material conditions, thereby achieving the technical purpose of real-time switching of heating modes or composite use of different heating methods, providing users with more choices and more convenient usage methods, so that the composite heated kneading machine cylinder has more application scenarios.

[0021] The heat transfer oil added to the electric heating chamber 2 provided in Example 1 of the utility model will expand due to the heat during the heating process, so the entire electric heating chamber 2 cannot be filled, otherwise it is easy to generate high pressure and damage the heating interlayer 8; attention should be paid to the selection of heat transfer oil before use, and different heat transfer oils should be selected according to different processing materials and different heating wire powers to meet different heating requirements; at the same time, the electric heating chamber 2 has high sealing, and during use, the sealing of the electric heating chamber 2 should be ensured to be intact, as well as the fire safety of the surrounding environment to avoid fire accidents.

[0022] The fluid pipeline 1 provided in Example 1 of the utility model has high sealing performance, ensuring that the heat exchange fluid medium and the heat transfer oil are completely isolated and do not interfere with each other; the heat exchange fluid medium in the fluid pipeline 1 is liquid, and the pressure of the heat exchange liquid cannot be too high during use, otherwise leakage is likely to occur at the connection points of the various sections of the fluid pipeline 1, causing the heat transfer oil and the heat exchange liquid to mix with each other in the heating interlayer 8, causing damage to the heating interlayer 8.

[0023] In Example 1 of the present invention, multiple groups of bolted fixing structures 9 are provided on the side wall of the outer layer 3 of the cylinder body to fix the fluid pipeline 1 inside the heating interlayer 8. The bolted fixing structures 9 are arranged at equal intervals on the side wall of the outer layer 3 of the cylinder body, so that the fluid pipeline 1 is more stable in the heating interlayer 8.

[0024] A composite heating kneading machine cylinder provided in the second embodiment of the present invention comprises: a cylinder inner layer 11 and a cylinder outer layer 3, a heating interlayer 8 is arranged between the cylinder inner layer 11 and the cylinder outer layer 3; a fluid pipeline 1 and an electric heating chamber 2 are arranged in the heating interlayer 8; a long strip-shaped cavity 10 is arranged at the bottom of the cylinder outer layer 3; a fluid outlet 5 and a heat transfer oil inlet 7 are respectively arranged at the upper ends of the side walls on both sides of the cylinder outer layer 3, and a fluid outlet 6 is arranged at the bottom end of the cylinder outer layer 3; the fluid pipeline 1 is a pipeline-like structure that bends back and forth, and its main pipelines are arranged longitudinally and wrapped around the outer wall of the cylinder inner layer 11; the longitudinal arrangement of the fluid pipeline 1 can be In order to make the heat exchange between the heat exchange fluid medium and the inner layer 11 of the cylinder body more complete, and realize the heat exchange convection of the materials in the cylinder body; the heat exchange fluid medium enters from the fluid inlet 6 at the bottom of the outer layer 3 of the cylinder body, flows around the inner layer 11 of the cylinder body through the fluid pipeline 1, and flows out from the fluid outlet 5 at the upper end of the side wall of the outer layer 3 of the cylinder body after sufficient heat exchange with the inner layer 11 of the cylinder body during the flow process. The heat exchange fluid medium entering from the fluid inlet 6 at the bottom of the outer layer 3 of the cylinder body starts from the bottom of the heating interlayer 8 and passes through the entire heating interlayer 8 under the guidance of the fluid pipeline 1 that is arranged longitudinally and bends back and forth. After sufficient heat exchange, it flows out from the fluid outlet 5 at the upper end of the side outer wall of the outer layer 3 of the cylinder body. During the flow process, the heat exchange fluid medium can flow through the entire inner layer 11 of the cylinder body in the heating interlayer 8, and the heat exchange is uniform. At the same time, the heat exchange area between the heating interlayer 8 and the inner layer 11 of the cylinder body is increased, so that the heating interlayer 8 can fully and effectively exchange heat with the inner layer 11 of the cylinder body, thereby realizing the fluid heating function. The heating of the heat exchange fluid medium is carried out outside the kneading machine cylinder. The heating method can be flexible and changeable, and is not limited by the cylinder itself. If necessary during use, cooling liquid can also be input to realize the cooling function of the material inside the cylinder. The electric heating chamber 2 is a cavity structure in the heating interlayer 8 except for the fluid pipeline 1, which together with the fluid pipeline 1 constitutes the heating interlayer 8. The heating interlayer 8 covers the periphery of the entire cylinder inner layer 11, and can achieve all-round uniform heating. The electric heating chamber 2 is provided with electric heating wires 4 arranged in rows at the bottom of the heating interlayer 8, located in the long strip cavity 10 at the bottom of the cylinder outer layer 3. During use, the electric heating wire 4 can heat the heat transfer oil from the bottom of the electric heating chamber 2; before turning on the electric heating function, the heat transfer oil enters the electric heating chamber 2 from the heat transfer oil inlet 7 at the upper end of the side wall of the outer layer 3 of the cylinder body, filling most of the space of the electric heating chamber 2; after turning on the electric heating wire 4, the electric heating wire 4 heats the heat transfer oil, and the heat transfer oil fully exchanges the heat of the electric heating wire 4 with the inner layer 11 of the cylinder body; the electric heating wire 4 at the bottom of the electric heating chamber 2 heats the surrounding heat transfer oil, and the heat transfer oil forms an upward heat exchange convection, and during the convection process, the heat transfer oil brings the heat of the electric heating wire 4 to the entire electric heating chamber 2, and fully exchanges heat with the inner layer 11 of the cylinder body, thereby realizing the function of electric heating.The power of the electric heating wire 4 should be balanced with the temperature of the heat exchange fluid medium, otherwise the heat transfer oil will transfer part of the heat to the fluid pipe 1, or the fluid pipe 1 will transfer part of the heat to the heat transfer oil, affecting the heating efficiency of the cylinder itself.

[0025] In the second embodiment of the utility model, the heating functions of the fluid pipeline 1 and the electric heating chamber 2 do not affect each other, and can be carried out simultaneously during use; the heating mode is controlled by an external switch, and only electric heating can be turned on, or only fluid heating can be carried out, or composite heating can be carried out during use or switched at any time, and different heating strategies are selected according to different material conditions, thereby achieving the technical purpose of real-time switching of heating modes or composite use of different heating methods, providing users with more choices and more convenient usage methods, so that the composite heated kneading machine cylinder has more application scenarios.

[0026] The heat transfer oil added to the electric heating chamber 2 provided in the second embodiment of the utility model will expand due to the heat during the heating process, so the entire electric heating chamber 2 cannot be filled, otherwise it is easy to generate high pressure and damage the heating interlayer 8; attention should be paid to the selection of heat transfer oil before use, and different heat transfer oils should be selected according to different processing materials and different heating wire powers to meet different heating requirements; at the same time, the electric heating chamber 2 has high sealing, and during use, the sealing of the electric heating chamber 2 should be ensured to be intact, as well as the fire safety of the surrounding environment to avoid fire accidents.

[0027] The fluid pipeline 1 provided in the second embodiment of the utility model has high sealing performance, ensuring that the heat exchange fluid medium and the heat transfer oil are completely isolated and do not interfere with each other; the heat exchange fluid medium in the fluid pipeline 1 is gas, and the pressure of the heat exchange gas cannot be too large during use, otherwise leakage is likely to occur at the connection points of the various sections of the fluid pipeline 1, causing the heat transfer oil to flow into the heating pipeline 1 and damage the heating interlayer 8.

[0028] In the second embodiment of the present invention, multiple groups of bolted fixing structures 9 are provided on the side wall of the outer layer 3 of the cylinder body to fix the fluid pipeline 1 inside the heating interlayer 8. The bolted fixing structures 9 are arranged at equal intervals on the side wall of the outer layer 3 of the cylinder body, so that the fluid pipeline 1 is more stable in the heating interlayer 8.

[0029] The above is a detailed introduction to a composite heated kneading machine cylinder provided by the utility model. For a general technician in this field, according to the idea of ​​the embodiment of the utility model, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A composite heated kneading machine cylinder, characterized in that It comprises an inner layer of the cylinder body and an outer layer of the cylinder body; a heating interlayer is arranged between the inner layer of the cylinder body and the outer layer of the cylinder body; the heating interlayer comprises: Fluid pipeline: The fluid pipeline is a pipeline-like structure that bends back and forth and is arranged in the heating interlayer; Electric heating chamber: The electric heating chamber is a cavity structure outside the fluid pipeline in the heating interlayer.

2. The composite heated kneading machine cylinder according to claim 1, characterized in that: The side wall of the outer layer of the cylinder body is evenly provided with a fixed structure to fix the fluid pipeline in the heating interlayer.

3. The composite heated kneading machine cylinder according to claim 1 or 2, characterized in that: The bottom of the outer layer of the cylinder body is provided with a long strip-shaped cavity.

4. The composite heated kneading machine cylinder according to claim 1, characterized in that: The fluid pipelines are arranged longitudinally.

5. The composite heated kneading machine cylinder according to claim 1 or 4, characterized in that: The fluid pipeline is a pipeline-like structure that bends back and forth and wraps around the outer wall of the inner layer of the cylinder body.

6. The composite heated kneading machine cylinder according to claim 1, characterized in that: An electric heating wire is arranged at the bottom of the electric heating chamber.

7. The composite heated kneading machine cylinder according to claim 6, characterized in that: The electric heating wires are laid in a row at the bottom of the heating interlayer and are located in the long strip-shaped cavity at the bottom of the outer layer of the cylinder body.

8. The composite heated kneading machine cylinder according to claim 1 or 2, characterized in that: A fluid outlet is provided at the upper end of the side outer wall of the outer layer of the cylinder body, and the fluid outlet is connected to the fluid pipeline.

9. The composite heated kneading machine cylinder according to claim 1 or 2, characterized in that: A fluid inlet is provided at the bottom of the outer layer of the cylinder body, and the fluid inlet is connected to a fluid pipeline.

10. The composite heated kneading machine cylinder according to claim 1 or 2, characterized in that: A heat transfer oil inlet is provided at the upper end of the side outer wall of the outer layer of the cylinder body, and the heat transfer oil inlet is connected to the electric heating chamber.

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