An efficient rubber refining method

The rubber mixing machine, which combines spiral blade extrusion and heating layer, solves the problem of low efficiency in traditional rubber product production, realizes efficient processing and automated production of multiple pieces of rubber, and reduces energy consumption and raw material waste.

CN118082023BActive Publication Date: 2026-07-21HUBEI MINGRUI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUBEI MINGRUI ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2017-12-21
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In the current production of rubber products, traditional mechanical plasticizers can only process one piece of rubber at a time, which is inefficient and causes uneven heating, resulting in slow production speed and waste of raw materials. They cannot process multiple pieces of rubber at the same time and improve production efficiency.

Method used

The process replaces plasticizing with spiral blade extrusion, and achieves automated operation by combining a heating layer and a controller. Rubber is flexibly fed through the first and second feed ports, and the temperature and viscosity sensors are used to optimize the processing.

Benefits of technology

It enables efficient processing of multiple rubber pieces, reduces energy consumption, improves production efficiency, avoids raw material waste and heat pollution, and ensures the quality of rubber molding.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present application relates to a kind of rubber processing device, in particular to a kind of efficient rubber mixing method.The present application relates to a kind of rubber processing device, in particular to a kind of efficient rubber mixing method.It includes controller, machine body, motor arranged at both ends of machine body and rubber mixing device arranged in machine body;The rubber mixing device is a screw rod, including transmission shaft and spiral blade, the spiral blade is symmetrically arranged with the center cross section of machine body;The screw rod and the inner surface of machine body are matched with each other;The spiral blade below the feeding port is provided with opening, and the larger end of the opening is towards the rotation direction of spiral blade when working;The beneficial effects of the present application are as follows: by using spiral blade, the screw rod with the center cross section of machine body is symmetrically arranged, the rubber can be extruded to the center of machine body, so that extrusion is replaced by plasticizing;By using controller, the rubber mixing machine can be automatically operated, and production efficiency is improved.
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Description

[0001] This case is a divisional application of the patent application with application number 2017113952232, application date 20171221, and title "A Rubber Mixing Machine". Technical Field

[0002] This invention relates to a rubber processing apparatus, and more particularly to a highly efficient rubber mixing method. Background Technology

[0003] Currently, as rubber products become increasingly prevalent in people's lives, the number of manufacturers producing rubber products is also growing. In the manufacturing process of rubber products, plasticizing is an essential and crucial step. Most commonly used plasticizers can only process one piece of rubber at a time, and because they can only press one area, the plasticizing speed is slow and inefficient. Furthermore, the low heating efficiency of the pressure rollers also contributes to the slow plasticizing speed. Moreover, the heating temperature of the pressure rollers is difficult to control, easily causing the rubber to age, resulting in raw material waste and increased production costs.

[0004] Currently, no rubber plasticizing machine has been found on the market that can heat the pressure rollers quickly and accurately and process multiple pieces of colloid simultaneously, thereby improving product quality and production efficiency; such a machine is yet to be developed. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a rubber mixing machine that can save time and reduce consumption by replacing rapid refining with extrusion, while also being able to process multiple pieces of rubber and operate automatically.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: a rubber mixing machine is provided, including a controller, a machine body, motors disposed at both ends of the machine body, and a rubber mixing device disposed within the machine body;

[0007] The rubber mixing device is connected to motors located at both ends of the machine body;

[0008] The machine body is a cylinder with a horizontally oriented axis. A first feed port and a second feed port are provided at the top of both ends of the machine body. The first feed port and the second feed port are symmetrically arranged with respect to the central cross-section of the machine body. A heating layer is provided on the inner surface of the machine body. The heating layer is electrically connected to the controller. The machine body is also provided with a feeding port and a discharging port. The feeding port is located between the first feed port and the second feed port. The discharging port and the feeding port are symmetrically arranged with respect to the central axis of the machine body.

[0009] The rubber mixing device is a spiral rod that passes through both ends of the machine body, including a drive shaft and spiral blades. The spiral blades are symmetrically arranged with respect to the central cross-section of the machine body. The spiral rod is in contact with the inner surface of the machine body. A temperature sensor is provided on the surface of the drive shaft, and the temperature sensor is electrically connected to the controller.

[0010] The surface of the portion of the spiral blade located below the feed port has an opening. The two ends of the opening are of different sizes, with the larger end facing the rotation direction of the spiral blade during operation and the larger end facing the axis of the feed port.

[0011] A viscosity sensor is also provided at the connection between the inner surface of the machine body and the discharge port, and the viscosity sensor is electrically connected to the controller; the controller is electrically connected to the motor.

[0012] A feeding solenoid valve is installed at the connection between the feeding port and the machine body, and a discharging solenoid valve is installed at the connection between the discharging port and the machine body. The feeding solenoid valve and the discharging solenoid valve are electrically connected to the controller.

[0013] Furthermore, in the aforementioned rubber mixing mill, a forming device is also provided at the discharge port, including a mold, a mold selector, a rotating blade, and a power gearbox; the mold has various shaped holes for rubber to pass through, the rotating blade is mounted on the surface of the mold via the power gearbox, the mold selector is located between the mold and the rotating blade and is connected to the power gearbox; the surfaces of the mold, the mold selector, and the rotating blade are close to each other; the power gearbox is electrically connected to the controller.

[0014] Furthermore, in the aforementioned rubber mixing mill, a conveyor belt is also provided below the discharge port, and the conveyor belt is a metal conveyor belt.

[0015] Furthermore, in the aforementioned rubber mixing machine, an insulation layer is also provided on the outside of the machine body.

[0016] Furthermore, in the aforementioned rubber mixing mill, the heating layer consists of multiple electric heating plates, which are electrically connected to the controller.

[0017] Furthermore, in the aforementioned rubber mixing machine, the heating layer is a steam pipe, and a steam pipe valve is installed on the steam pipe, which is connected to a controller.

[0018] Furthermore, in the aforementioned rubber mixing mill, feed valves are provided at the first and second feed inlets and are connected to the controller.

[0019] Furthermore, in the aforementioned rubber mixing mill, the feeding solenoid valve is a one-way valve.

[0020] The beneficial effects of this invention are as follows: by using a spiral rod with spiral blades symmetrically arranged around the central cross-section of the machine body, rubber can be extruded towards the center of the machine body. Combined with a heating layer, the extrusion effect is guaranteed, thus replacing plasticizing with extrusion, saving time and reducing energy consumption. The first and second feed inlets allow operators to add different quantities of rubber as needed, and the entire process can continue without stopping to change the rubber. Openings on the spiral blades further enhance the extrusion effect. The use of a controller enables the rubber mixing mill to operate automatically, improving production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a rubber mixing mill according to a specific embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of a portion of the rubber mixing apparatus of a rubber mixing mill according to a specific embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of a molding device for a rubber mixing mill according to a specific embodiment of the present invention;

[0024] Labeling explanation: 1. Machine body; 11. First feed inlet; 12. Second feed inlet; 13. Feed port;

[0025] 14. Discharge port; 2. Rubber mixing device; 21. Drive shaft; 22. Spiral blades; 23. Opening;

[0026] 3. Molding device; 31. Mold; 32. Mold selector; 33. Rotating blade. Detailed Implementation

[0027] To explain in detail the technical content, objectives, and effects of the present invention, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0028] The most crucial concept of this invention lies in the fact that by using a spiral rod with spiral blades symmetrically arranged around the central cross-section of the machine body, rubber can be extruded towards the center of the machine body, thereby replacing plasticizing with extrusion; and by using a controller, the rubber mixing mill can be automated, improving production efficiency.

[0029] Please refer to Figure 1 as well as Figure 3 A rubber mixing machine includes a controller, a machine body 1, motors installed at both ends of the machine body 1, and a rubber mixing device 2 installed inside the machine body 1.

[0030] The rubber mixing device 2 is connected to the motors located at both ends of the machine body 1;

[0031] The machine body 1 is a cylinder with its axis horizontally arranged. A first feed port 11 and a second feed port 12 are provided at the top of both ends of the machine body 1. The first feed port 11 and the second feed port 12 are symmetrically arranged with respect to the central cross-section of the machine body 1. A heating layer is provided on the inner surface of the machine body, and the heating layer is electrically connected to the controller. The machine body 1 is also provided with a feeding port 13 and a discharging port 14. The feeding port 13 is located between the first feed port 11 and the second feed port 12, and the discharging port 14 and the feeding port 13 are symmetrically arranged with respect to the central axis of the machine body 1.

[0032] The rubber mixing device 2 is a spiral rod with both ends passing through the two end faces of the machine body 1, including a drive shaft 21 and spiral blades 22. The spiral blades 22 are symmetrically arranged with respect to the central cross-section of the machine body 1. The spiral rod is in contact with the inner surface of the machine body 1. A temperature sensor is provided on the surface of the drive shaft 21, and the temperature sensor is electrically connected to the controller.

[0033] The surface of the portion of the spiral blade 22 located below the feed port 13 is provided with an opening 23. The two ends of the opening 23 are of different sizes, with the larger end facing the rotation direction of the spiral blade 22 during operation and the larger end of the opening 23 facing the axial direction of the feed port 13.

[0034] A viscosity sensor is also provided at the connection between the inner surface of the machine body 1 and the discharge port 14. The viscosity sensor is electrically connected to the controller; the controller is electrically connected to the motor.

[0035] A feeding solenoid valve is provided at the connection between the feeding port 13 and the machine body 1, and a discharging solenoid valve is provided at the connection between the discharging port 14 and the machine body 1. The feeding solenoid valve and the discharging solenoid valve are electrically connected to the controller.

[0036] As can be seen from the above description, the working process of the present invention is as follows: rubber is fed into the machine through the first feed port 11 and the second feed port 12, the motor is started, and the screw is driven to run. The movement of the screw conveys and extrudes the rubber towards the center of the machine body 1. The operation of the heating layer is controlled by the controller, and the temperature is controlled by the temperature sensor. When the rubber melts and passes through the opening 23 on the screw blade 22, it is processed. When it is necessary to add material, the material is added by controlling the feeding solenoid valve. After the viscosity sensor confirms that the processed rubber meets the viscosity requirements, the discharge solenoid valve is opened by the controller to discharge the material.

[0037] As can be seen from the above description, the beneficial effects of the present invention are as follows: by using a spiral rod with spiral blades 22 symmetrically arranged around the central cross-section of the machine body 1, rubber can be extruded towards the center of the machine body 1. Combined with a heating layer, the extrusion effect can be guaranteed, thereby replacing plasticizing with extrusion, saving time and reducing energy consumption; by setting the first feed port 11 and the second feed port 12, the operator can feed different quantities of rubber as needed, and the entire process can be carried out continuously without stopping the machine to change the rubber; by setting openings 23 on the spiral blades 22, the extrusion effect can be further improved; by using a controller, the rubber mixing machine can be automated, improving production efficiency.

[0038] Furthermore, a molding device 3 is also provided at the discharge port 14, including a mold 31, a mold selector 32, a rotating blade 33, and a power gearbox; the mold 31 has various shaped holes for rubber to pass through, the rotating blade 33 is mounted on the surface of the mold 31 through the power gearbox, the mold selector 32 is located between the mold 31 and the rotating blade 33 and is connected to the power gearbox; the surfaces of the mold 31, the mold selector 32, and the rotating blade 33 are close to each other; the power gearbox is electrically connected to the controller.

[0039] As can be seen from the above description, the molding device 3 can select the shape and length of the rubber. When material comes out of the discharge port 14, the controller controls the power gearbox to adjust the mold selector 32, select the required hole, and make the rubber pass through the corresponding hole, thereby molding the rubber. The power gearbox controls the rotation speed of the rotating blade 33, which can control the length of the molded rubber.

[0040] Furthermore, a conveyor belt, which is a metal conveyor belt, is also provided below the discharge port 14.

[0041] As can be seen from the above description, by using a metal conveyor belt, the rubber can be conveyed while avoiding the high-temperature formed rubber blocks from sticking to the conveyor belt.

[0042] Furthermore, a heat insulation layer is also provided on the outside of the body 1.

[0043] As can be seen from the above description, by using a heat insulation layer, the heat loss inside the body 1 can be prevented, thereby achieving energy conservation and emission reduction, while also avoiding thermal pollution.

[0044] Furthermore, the heating layer consists of multiple heating plates, which are electrically connected to the controller.

[0045] As can be seen from the above description, by using multiple electric heating plates, the temperature of different areas can be controlled by a controller, thereby achieving the effect of energy saving and emission reduction.

[0046] Furthermore, the heating layer is a steam pipe, and a steam pipe valve is installed on the steam pipe, which is connected to the controller.

[0047] As can be seen from the above description, by using steam pipes and steam pipe valves, the temperature of different areas can be controlled by a controller, thereby achieving the effect of energy saving and emission reduction.

[0048] Furthermore, feed valves are provided at the first feed port 11 and the second feed port 12, and are connected to the controller.

[0049] As can be seen from the above description, by using the feed valve controlled by the controller, the rubber can be processed in the required amount, and when the rubber is discharged after processing, it can be automatically replenished without manual operation.

[0050] Furthermore, the feeding solenoid valve is a one-way valve.

[0051] As can be seen from the above description, by using a one-way feeding solenoid valve, the working pressure at the center section of the machine body 1 is high, which avoids the rubber from entering the feeding port 13 due to excessive pressure, thus preventing waste of raw materials.

[0052] Example 1

[0053] A rubber mixing machine includes a controller, a machine body, motors installed at both ends of the machine body, and a rubber mixing device installed inside the machine body.

[0054] The rubber mixing device is connected to motors located at both ends of the machine body;

[0055] The machine body is a cylinder with a horizontally oriented axis. A first feed port and a second feed port are provided at the top of both ends of the machine body. The first feed port and the second feed port are symmetrically arranged with respect to the central cross-section of the machine body. A heating layer is provided on the inner surface of the machine body. The heating layer is electrically connected to the controller. The machine body is also provided with a feeding port and a discharging port. The feeding port is located between the first feed port and the second feed port. The discharging port and the feeding port are symmetrically arranged with respect to the central axis of the machine body.

[0056] The rubber mixing device is a spiral rod that passes through both ends of the machine body, including a drive shaft and spiral blades. The spiral blades are symmetrically arranged with respect to the central cross-section of the machine body. The spiral rod is in contact with the inner surface of the machine body. A temperature sensor is provided on the surface of the drive shaft, and the temperature sensor is electrically connected to the controller.

[0057] The surface of the portion of the spiral blade located below the feed port has an opening, with one end larger than the other, and the larger end facing the rotation direction of the spiral blade during operation.

[0058] A viscosity sensor is also provided at the connection between the inner surface of the machine body and the discharge port, and the viscosity sensor is electrically connected to the controller; the controller is electrically connected to the motor.

[0059] A feeding solenoid valve is installed at the connection between the feeding port and the machine body, and a discharging solenoid valve is installed at the connection between the discharging port and the machine body. The feeding solenoid valve and the discharging solenoid valve are electrically connected to the controller.

[0060] The discharge port is also equipped with a molding device, including a mold, a mold selector, a rotating blade, and a power gearbox; the mold has various shaped holes for rubber to pass through, the rotating blade is mounted on the surface of the mold through the power gearbox, the mold selector is located between the mold and the rotating blade and is connected to the power gearbox; the surfaces of the mold, the mold selector, and the rotating blade are close to each other; the power gearbox is electrically connected to the controller.

[0061] A conveyor belt, which is a metal conveyor belt, is also installed below the discharge port. A heat insulation layer is also installed outside the machine body. The heating layer consists of multiple heating plates, which are electrically connected to the controller.

[0062] Feed valves are installed at the first and second feed inlets and are connected to the controller. The feeding solenoid valve is a one-way valve.

[0063] Example 2

[0064] A rubber mixing machine includes a controller, a machine body, motors installed at both ends of the machine body, and a rubber mixing device installed inside the machine body.

[0065] The rubber mixing device is connected to motors located at both ends of the machine body;

[0066] The machine body is a cylinder with a horizontally oriented axis. A first feed port and a second feed port are provided at the top of both ends of the machine body. The first feed port and the second feed port are symmetrically arranged with respect to the central cross-section of the machine body. A heating layer is provided on the inner surface of the machine body. The heating layer is electrically connected to the controller. The machine body is also provided with a feeding port and a discharging port. The feeding port is located between the first feed port and the second feed port. The discharging port and the feeding port are symmetrically arranged with respect to the central axis of the machine body.

[0067] The rubber mixing device is a spiral rod that passes through both ends of the machine body, including a drive shaft and spiral blades. The spiral blades are symmetrically arranged with respect to the central cross-section of the machine body. The spiral rod is in contact with the inner surface of the machine body. A temperature sensor is provided on the surface of the drive shaft, and the temperature sensor is electrically connected to the controller.

[0068] The surface of the portion of the spiral blade located below the feed port has an opening, with one end larger than the other, and the larger end facing the rotation direction of the spiral blade during operation.

[0069] A viscosity sensor is also provided at the connection between the inner surface of the machine body and the discharge port, and the viscosity sensor is electrically connected to the controller; the controller is electrically connected to the motor.

[0070] A feeding solenoid valve is installed at the connection between the feeding port and the machine body, and a discharging solenoid valve is installed at the connection between the discharging port and the machine body. The feeding solenoid valve and the discharging solenoid valve are electrically connected to the controller.

[0071] A conveyor belt, which is a metal conveyor belt, is also installed below the discharge port. A heat insulation layer is also installed outside the machine body. The heating layer is a steam pipe, and a steam pipe valve is installed on the steam pipe, which is connected to a controller.

[0072] Feed valves are installed at the first and second feed inlets and are connected to the controller. The feeding solenoid valve is a one-way valve.

[0073] In summary, the rubber mixing mill provided by this invention, by using a spiral rod with spiral blades symmetrically arranged around the central cross-section of the machine body, can extrude rubber towards the center of the machine body. Combined with a heating layer, this ensures the extrusion effect, thus replacing plasticizing with extrusion, saving time and reducing energy consumption. The presence of a first and second feed inlet allows operators to add different quantities of rubber as needed, and the entire process can be continuous without stopping to change rubber. Openings on the spiral blades further enhance the extrusion effect. The use of a controller enables the rubber mixing mill to operate automatically, improving production efficiency.

[0074] The molding device allows for selection of the shape and length of the rubber. When material comes out of the outlet, the controller controls the power gearbox to adjust the mold selector, select the required die hole, and allow the rubber to pass through the corresponding die hole, thus molding the rubber. The power gearbox controls the rotation speed of the rotating blade, which controls the length of the molded rubber.

[0075] By using a metal conveyor belt, the rubber can be transported while preventing the high-temperature formed rubber blocks from sticking to the conveyor belt.

[0076] By using an insulation layer, heat loss from the body can be prevented, thus achieving energy conservation and emission reduction, while also avoiding thermal pollution.

[0077] By using multiple electric heating plates, the temperature of different areas can be controlled by a controller, thereby achieving energy saving and emission reduction.

[0078] By using steam pipes and steam pipe valves, the temperature of different areas can be controlled by a controller, thereby achieving energy conservation and emission reduction.

[0079] By using a feed valve controlled by a controller, rubber can be processed in the required amount. When the processed rubber is discharged, it can be automatically replenished without manual operation.

[0080] By using a one-way feeding solenoid valve, the working pressure at the center section of the machine body is high, which avoids rubber from entering the feeding port due to excessive pressure, thus preventing waste of raw materials.

[0081] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent modifications made based on the content of the present invention specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A highly efficient rubber mixing method, characterized in that, Based on the rubber mixing machine, the rubber mixing machine includes a controller, a machine body, motors installed at both ends of the machine body, and a rubber mixing device installed inside the machine body; The rubber mixing device is connected to motors located at both ends of the machine body; The machine body is a cylinder with a horizontally oriented axis. A first feed port and a second feed port are provided at the top of both ends of the machine body. The first feed port and the second feed port are symmetrically arranged with respect to the central cross-section of the machine body. A heating layer is provided on the inner surface of the machine body. The heating layer is electrically connected to the controller. The machine body is also provided with a feeding port and a discharging port. The feeding port is located between the first feed port and the second feed port. The discharging port and the feeding port are symmetrically arranged with respect to the central axis of the machine body. The rubber mixing device is a spiral rod that passes through both ends of the machine body, including a drive shaft and spiral blades. The spiral blades are symmetrically arranged with respect to the central cross-section of the machine body. The spiral rod is in contact with the inner surface of the machine body. A temperature sensor is provided on the surface of the drive shaft, and the temperature sensor is electrically connected to the controller. The surface of the portion of the spiral blade located below the feed port has an opening, with one end larger than the other, and the larger end facing the direction of rotation of the spiral blade during operation. A viscosity sensor is also provided at the connection between the inner surface of the machine body and the discharge port, and the viscosity sensor is electrically connected to the controller; the controller is electrically connected to the motor. A feeding solenoid valve is provided at the connection between the feeding port and the machine body, and a discharging solenoid valve is provided at the connection between the discharging port and the machine body. The feeding solenoid valve and the discharging solenoid valve are electrically connected to the controller. The heating layer consists of multiple electric heating plates or steam pipes, and the steam pipes are equipped with steam pipe valves. The electric heating plates or steam pipe valves are electrically connected to the controller. The feeding solenoid valve is a one-way valve; Rubber is fed into the machine through the first and second feed ports. The motor is started, which drives the screw to move. The movement of the screw conveys and extrudes the rubber towards the center of the machine. The operation of the heating layer is controlled by the controller, and the temperature is controlled by the temperature sensor. When the rubber melts, it passes through the openings on the screw blades for processing. When additional material is needed, the feeding solenoid valve is controlled to add material. The viscosity sensor detects the processed rubber. Once the viscosity meets the requirements, the discharge solenoid valve is opened by the controller to discharge the material.

2. The efficient rubber compounding method according to claim 1, characterized in that, The discharge port is also equipped with a molding device, including a mold, a mold selector, a rotating blade, and a power gearbox; the mold has various shaped holes for rubber to pass through, the rotating blade is mounted on the surface of the mold through the power gearbox, the mold selector is located between the mold and the rotating blade and is connected to the power gearbox; the surfaces of the mold, the mold selector, and the rotating blade are close to each other; the power gearbox is electrically connected to the controller.

3. The efficient rubber compounding method according to claim 1, characterized in that, A conveyor belt, which is a metal conveyor belt, is also provided below the discharge port.

4. The efficient rubber mixing method according to claim 1, characterized in that, The machine body is also equipped with a heat insulation layer.

5. The efficient rubber compounding method according to claim 1, characterized in that, Feed valves are provided at the first and second feed inlets and are connected to the controller.