Pressurizing device of mixing and kneading pot

Abstract

The utility model discloses a mixing and kneading pot pressurizing device which comprises a mixing and kneading pot body, a cover body is installed above the mixing and kneading pot body, the mixing and kneading pot body is connected with the cover body through a cover opening mechanism, a fixing frame is installed at the top of the cover body, a pressurizing mechanism is installed in the fixing frame, and the pressurizing mechanism comprises a telescopic device. The lower output end of the telescopic device is connected with a guide shaft, and the lower end of the guide shaft extends into the inner cavity of the mixing and kneading pot body below the cover body and is connected with the pressure cover; a sensor and a stirring device are further arranged below the pressure cover, a control system is arranged on the side face of the mixing and kneading pot body, and the control system is electrically connected with the sensor and the telescopic device. The supporting device is fixed on the ground and supports the fixing frame when the cover body is opened; by adding the guide shaft, the flange pressure plate, the shaft sleeve, the supporting device and the like, the problem that the cylinder shaft is easy to break in the carbon production process is solved, and the production efficiency and the safety are improved.

Description

Technical Field

[0001] This utility model belongs to the field of mixing pot technology, specifically relating to a mixing pot pressurization device. Background Technology

[0002] A kneading pot is a mixing and stirring device, mainly composed of five parts: a kneading section, a base, a hydraulic system, a transmission system, and an electrical control system. It uses a pair of cooperating and rotating blades to generate a strong shearing action, uniformly mixing semi-dry materials such as carbon and asphalt. Kneading pots are primarily used in the production of carbon products such as graphitized electrodes and anode paste. They are specialized machinery in the carbon industry and are widely used in carbon plants, electrochemical carbon plants, aluminum plants, graphite plants, and other industrial and mining enterprises.

[0003] During the kneading process, pressurizing the inside of the kneading chamber can improve kneading efficiency. Mechanical pressurization is generally used, where a pressure cap applies pressure through a pressurizing device (such as a cylinder, hydraulic station, or large oil cylinder), subjecting the material to tight compression and shearing within the kneading chamber. This pressure environment promotes close mixing of materials and uniform distribution of the binder, thereby improving kneading effect and product quality.

[0004] The inventors believe that the existing technology has the following drawbacks: First, the main cylinder of the kneading pot pressurizing device is a Φ50 shaft, with the end of the shaft extending into the kneading pot and directly connected to the pressure cover. During the pressurized kneading process, the kneader pushes the material to impact the pressure cover, resulting in significant stress at the connection between the cylinder shaft end and the pressure cover. This manifests as the main cylinder shaft breaking after kneading 2 to 3 pots. Second, the cylinder seal is under stress, has a short lifespan, and requires frequent replacement, inevitably affecting production efficiency. Third, the kneading pot lid flange pressure plate is made of carbon steel, which is not wear-resistant and breaks down quickly. Fourth, workers cannot accurately grasp the pressure magnitude and distribution inside the pot during the pressurization process. Therefore, improvements to the existing kneading pot technology are needed. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a kneading pot pressurization device, which features low failure rate and good kneading effect.

[0006] To achieve at least one of the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A kneading pot pressurizing device includes a kneading pot body, a lid mounted on top of the kneading pot body, and a lid opening mechanism connecting the kneading pot body and the lid. A fixing frame is mounted on the top of the lid, and a pressurizing mechanism is installed inside the fixing frame. The pressurizing mechanism includes a telescopic device, and a guide shaft is connected to the lower output end of the telescopic device. The lower end of the guide shaft extends into the inner cavity of the kneading pot body below the lid and is connected to a pressure cap. A sensor and a stirring device are also provided below the pressure cap. A control system is provided on the side of the kneading pot body, and the control system is electrically connected to the sensor and the telescopic device. The kneading pot pressurizing device also includes a support device, which is fixed to the ground and supports the fixing frame when the lid is opened.

[0008] Furthermore, a shaft hole is provided on the upper part of the cover, and the guide shaft extends through the shaft hole to the inner cavity of the mixing pot body below the cover. Flange pressure plates are installed on both the upper and lower edges of the shaft hole, and a bushing is provided on the inner side of the flange pressure plate. The guide shaft reciprocates within the bushing.

[0009] Furthermore, the support device includes a support frame fixed to the ground, a lifting device is provided on the support frame, and a wedge beam is installed on the lifting device, the wedge beam supporting the fixed frame when the cover is opened.

[0010] Furthermore, the sensor includes a pressure sensor and a temperature sensor, with the pressure sensor uniformly attached to the lower surface of the pressure cap, and the number of pressure sensors is 5-20.

[0011] Furthermore, a base is installed below the mixing pot body, and the lid opening mechanism includes a hinged column fixedly installed on the base. A flip-top arm is movably hinged to the top of the hinged column. The flip-top arm is fixed to the outer side wall of the lid body. An upper ear seat is welded to the outer side of the flip-top arm, and a lower ear seat is welded to the base. A lid opening hydraulic device is movably hinged between the upper ear seat and the lower ear seat.

[0012] Furthermore, the mixing pot body has an inlet and an outlet on its side, and a clamping device is provided at the connection between the upper part of the mixing pot body and the cover body. The number of clamping devices is 2-6, and a sealing ring is provided at the lower edge of the cover body.

[0013] Furthermore, a flexible pressure plate is integrally connected to the lower surface of the pressure cover, and the periphery of the flexible pressure plate is inclined downward.

[0014] Furthermore, the bushing is a copper bushing.

[0015] Furthermore, the telescopic device is a cylinder.

[0016] Furthermore, the diameter of the guide shaft is larger than the diameter of the output shaft of the telescopic device.

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] ① Based on the defects of the existing technology, the pressure device of the kneading pot was structurally improved. The height of the fixing frame on the cover was increased, the telescopic device cylinder inside the fixing frame was raised, a guide shaft with a larger diameter was added between the cylinder and the pressure cover, and a flange pressure plate was installed at the through hole between the guide shaft and the cover. A copper bushing was added to the inner ring of the flange pressure plate to increase wear resistance. Through the above structural design, the impact force is directly applied to the guide shaft and bushing, which solves the problem of easy breakage of the cylinder main shaft in the carbon production process.

[0019] ② Due to the increased height of the fixing frame, the center of gravity of the cover becomes higher. When the cover is opened by the opening mechanism, other parts of the fixing frame or device may break due to gravity, posing a safety hazard. Therefore, this utility model makes an adaptive design by adding a support device, which supports the cover by a wedge beam. The height of the wedge beam can be changed by a lifting device, which varies with the opening range of the cover.

[0020] ③ The lower surface of the flexible pressure plate is equipped with several evenly distributed pressure sensors, and the inside of the kneading chamber is also equipped with a temperature sensor. The sensors are electrically connected to the control system to monitor the pressure and distribution inside the chamber in real time, and control the cylinder to work through the control system to ensure the controllability of the kneading process. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the kneading cavity of this utility model;

[0023] Figure 3 This is a schematic diagram of the working state of this utility model;

[0024] Figure 4 This is a side view of the present invention in its working state;

[0025] Figure 5 This is a schematic diagram of the pressurizing device in the present invention.

[0026] The components in the diagram are labeled as follows: 1. Mixing pot body; 101. Base; 102. Feed inlet; 103. Discharge outlet; 104. Pressing device; 2. Cover body; 201. Fixing frame; 202. Shaft hole; 203. Flange pressure plate; 204. Bushing; 3. Opening mechanism; 301. Hinge column; 302. Flip-top arm; 303. Upper ear seat; 304. Lower ear seat; 305. Opening hydraulic device; 4. Pressurizing device; 401. Telescopic device; 402. Guide shaft; 5. Pressure cover; 501. Flexible pressure plate; 6. Sensor; 601. Pressure sensor; 602. Temperature sensor; 7. Stirring device; 8. Control system; 9. Support device; 901. Support frame; 902. Lifting device; 903. Wedge beam. Detailed Implementation

[0027] The technical solution of this utility model will be further described below with reference to the accompanying drawings. The advantages and features of this utility model will become clearer with the description. However, it should be understood that the embodiments are merely exemplary and do not constitute a limitation on the scope of this utility model.

[0028] It should be noted that the terms "upper," "lower," "front," "rear," etc., in the claims and description of this application indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and should not be construed as meaning that the device or component referred to must have a specific orientation, or be constructed or operated in a specific orientation.

[0029] In this utility model, unless otherwise explicitly specified and limited, terms such as "fixed" and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct 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 utility model according to the specific circumstances.

[0030] Please see Figures 1 to 5 A kneading pot pressurizing device includes a kneading pot body 1, a cover body 2 installed on the top of the kneading pot body 1, the kneading pot body 1 and the cover body 2 being connected by a cover opening mechanism 3, a fixing frame 201 installed on the top of the cover body 2, a pressurizing mechanism 4 installed inside the fixing frame 201, the pressurizing mechanism 4 including a telescopic device 401, a guide shaft 402 connected to the lower output end of the telescopic device 401, the lower end of the guide shaft 402 extending into the inner cavity of the kneading pot body 1 below the cover body 2 and connected to a pressure cover 5;

[0031] A sensor 6 and a stirring device 7 are also provided below the pressure cover 5. A control system 8 is provided on the side of the mixing pot body 1. The control system 8 is electrically connected to the sensor 6 and the telescopic device 401.

[0032] The mixing pot pressurizing device also includes a support device 9, which is fixed on the ground and supports the fixing frame 201 when the lid 2 is opened.

[0033] A shaft hole 202 is provided on the upper part of the cover body 2. The guide shaft 402 passes through the shaft hole 202 and extends into the inner cavity of the mixing pot body 1 below the cover body 2. Flange pressure plates 203 are installed on both the upper and lower edges of the shaft hole 202. A bushing 204 is provided on the inner side of the flange pressure plate 203. The guide shaft 402 reciprocates within the bushing 204.

[0034] The support device 9 includes a support frame 901 fixed on the ground, a lifting device 902 is provided on the support frame 901, and a wedge beam 903 is installed on the lifting device 902. The wedge beam 903 supports the fixed frame 201 when the cover 2 is opened.

[0035] Sensor 6 includes a pressure sensor 601 and a temperature sensor 602. The pressure sensor 601 is uniformly attached to the lower surface of the pressure cover 5.

[0036] A base 101 is installed below the mixing pot body 1. The lid opening mechanism 3 includes a hinge column 301 fixedly installed on the base 101. A flip-top arm 302 is movably hinged to the top of the hinge column 301. The flip-top arm 302 is fixed to the outer side wall of the lid body 2. An upper ear seat 303 is welded to the outside of the flip-top arm 302. A lower ear seat 304 is welded to the base 101. A lid opening hydraulic device 305 is movably hinged between the upper ear seat 303 and the lower ear seat 304.

[0037] The mixing pot body 1 has an inlet 102 and an outlet 103 on its side. A pressing device 104 is provided at the connection between the upper part of the mixing pot body 1 and the cover body 2. A sealing ring is provided at the lower edge of the cover body 2.

[0038] The lower surface of the pressure cover 5 is integrally connected with a flexible pressure plate 501, and the periphery of the flexible pressure plate 501 is inclined downward.

[0039] The diameter of the guide shaft 402 is larger than the diameter of the output shaft of the telescopic device 401.

[0040] In this implementation scheme: the telescopic device 401 is a cylinder, the bushing 204 is a copper bushing, the number of clamping devices 104 is 4, the number of pressure sensors 601 is 5, and the guide shaft 402 has a shaft diameter of Φ120mm and a length of 1m.

[0041] The working principle of this utility model:

[0042] The telescopic device 401, like a cylinder, is used to apply pressure to the pressure cover 5 inside the kneading chamber. Since the existing cylinder is a Φ50 shaft with its end extending into the kneading pot and directly connected to the pressure cover 5, during the pressurized kneading process, the kneader pushes the material to impact the pressure cover 5, and the connection between the cylinder shaft end and the pressure cover 5 is subjected to a large force, causing the main cylinder shaft to break frequently. Therefore, the height of the fixing frame 201 on the cover 2 is increased to lift the telescopic device 401 cylinder inside the fixing frame 201. A guide shaft 402 with a larger shaft diameter is added between the cylinder and the pressure cover 5, and a flange pressure plate 203 is installed at the through hole between the guide shaft 402 and the cover 2. A copper bushing 204 is added to the inner ring of the flange pressure plate 203 to increase wear resistance. Through the above structural design, the impact force is directly applied to the guide shaft 402 and the bushing 204, solving the problem of easy breakage of the cylinder main shaft during carbon production.

[0043] Because the height of the fixing frame 201 is increased, the center of gravity of the cover becomes higher. When the cover is opened by the opening mechanism 3, the fixing frame 201 or other parts of the device may break due to gravity, posing a safety hazard. Therefore, an adaptive design is required, adding a support device 9 to support the cover 2 through a wedge beam 903. The height of the wedge beam 903 can be changed by the lifting device 902, which varies with the opening range of the cover 2.

[0044] The lower surface of the flexible pressure plate 501 is provided with several evenly distributed pressure sensors 601, and the inside of the kneading cavity is also provided with a temperature sensor 602. The sensors 602 are electrically connected to the control system 8 to monitor the pressure and distribution inside the cavity in real time, and control the cylinder to work through the control system 8 to ensure the controllability of the kneading process.

[0045] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pressure device for a mixing pot, characterized in that: The system includes a kneading pot body (1), a lid body (2) is installed on the top of the kneading pot body (1), the kneading pot body (1) and the lid body (2) are connected by a lid opening mechanism (3), a fixing frame (201) is installed on the top of the lid body (2), a pressure mechanism (4) is installed inside the fixing frame (201), the pressure mechanism (4) includes a telescopic device (401), a guide shaft (402) is connected to the lower output end of the telescopic device (401), the lower end of the guide shaft (402) extends into the inner cavity of the kneading pot body (1) below the lid body (2) and is connected to a pressure cover (5); A sensor (6) and a stirring device (7) are also provided below the pressure cover (5). A control system (8) is provided on the side of the mixing pot body (1). The control system (8) is electrically connected to the sensor (6) and the telescopic device (401). The mixing pot pressurizing device also includes a support device (9), which is fixed on the ground and supports the fixing frame (201) when the cover (2) is opened.

2. The mixing pot pressurizing device according to claim 1, characterized in that: The cover (2) has a shaft hole (202) on its upper part. The guide shaft (402) passes through the shaft hole (202) and extends into the inner cavity of the mixing pot body (1) below the cover (2). Flange pressure plates (203) are installed on the upper and lower edges of the shaft hole (202). A bushing (204) is provided on the inner side of the flange pressure plate (203). The guide shaft (402) reciprocates within the bushing (204).

3. The mixing pot pressurizing device according to claim 2, characterized in that: The support device (9) includes a support frame (901) fixed on the ground, a lifting device (902) is provided on the support frame (901), a wedge beam (903) is installed on the lifting device (902), and the wedge beam (903) supports the fixed frame (201) when the cover (2) is opened.

4. The mixing pot pressurizing device according to claim 3, characterized in that: The sensor (6) includes a pressure sensor (601) and a temperature sensor (602). The pressure sensor (601) is evenly attached to the lower surface of the pressure cover (5), and the number of pressure sensors (601) is 5-20.

5. The mixing pot pressurizing device according to claim 4, characterized in that: A base (101) is installed below the mixing pot body (1). The lid opening mechanism (3) includes a hinge column (301) fixedly installed on the base (101). A flip-top arm (302) is movably hinged to the top of the hinge column (301). The flip-top arm (302) is fixed to the outer wall of the lid body (2). An upper ear seat (303) is welded to the outer side of the flip-top arm (302). A lower ear seat (304) is welded to the base (101). A lid opening hydraulic device (305) is movably hinged between the upper ear seat (303) and the lower ear seat (304).

6. The mixing pot pressurizing device according to claim 5, characterized in that: The mixing pot body (1) has an inlet (102) and an outlet (103) on its side. A pressing device (104) is provided at the connection between the upper part of the mixing pot body (1) and the cover body (2). The number of pressing devices (104) is 2-6. A sealing ring is provided at the lower edge of the cover body (2).

7. The kneading pot pressurizing device according to claim 6, characterized in that: The lower surface of the pressure cover (5) is integrally connected with a flexible pressure plate (501), and the periphery of the flexible pressure plate (501) is inclined downward.

8. The mixing pot pressurizing device according to claim 7, characterized in that: The bushing (204) is a copper bushing.

9. The mixing pot pressurizing device according to claim 7, characterized in that: The telescopic device (401) is a cylinder.

10. The mixing pot pressurizing device according to claim 7, characterized in that: The diameter of the guide shaft (402) is greater than the diameter of the output shaft of the telescopic device (401).

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