On-line temperature measuring device of mixing and kneading pot

Abstract

The utility model discloses an on-line temperature measuring device for a mixing and kneading pot. The on-line temperature measuring device comprises a lead screw lifting assembly, a cleaning part and a temperature measuring resistor assembly, the temperature measurement resistor assembly comprises a temperature measurement conduction assembly arranged in the mixing and kneading pot and a temperature measurement resistor connected with the temperature measurement conduction assembly, an organic heat carrier is contained in the temperature measurement conduction assembly and serves as a heat transfer medium, and the temperature measurement resistor indirectly measures the temperature in the mixing and kneading pot through the heat transfer medium. According to the online temperature measuring device, the lead screw lifting assembly drives the cleaning component to move and scrape off paste on the inner wall of the mixing and kneading pot, meanwhile, the PLC is in linkage with the pot bottom door and controls the cleaning component to move downwards to scrape out the paste when the pot bottom door is opened, the automation degree is high, the labor intensity of workers is reduced, and safe operability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum prebaked anode production, in particular to an online temperature measuring device for a kneading pot in a forming process of aluminum prebaked anode, aiming to change the traditional manual sampling and temperature measuring operation mode. Background Art

[0002] In the production process of prebaked anodes for aluminum, kneading is the process of mixing aggregates, powders, raw and cooked crushed materials and other dry materials of different particle sizes with a certain amount of liquid asphalt in a kneading pot at a certain temperature after being quantitatively measured according to the required proportion of the formula, so as to achieve a uniform, dense paste with a certain plasticity.

[0003] Kneading is an important step in the production of prebaked anodes for aluminum. The quality of kneading directly affects the quality of the raw anode blocks, and the final temperature of the material after kneading plays a decisive role. The traditional method of measuring temperature with a kneading pot is to insert a temperature measuring resistor downward from the top of the pot. However, as time goes by, the paste will adhere to the upper space of the kneading pot and wrap the temperature measuring resistor probe, affecting the accuracy of temperature measurement. If the length of the temperature measuring resistor is extended, it will interfere with the stirring blade, squeeze the resistor and deform it, or even break it.

[0004] Therefore, based on the above technical problems, technicians in this field urgently need to develop an online temperature measuring device for a kneading pot. Utility Model Content

[0005] The utility model aims to provide an online temperature measuring device for a kneading pot, which can reduce the labor intensity of workers, improve safety operation, improve the working environment, and realize automatic online temperature measurement and remote transmission.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The utility model discloses an online temperature measuring device for a kneading pot, which is integrated into the upper part of one side of the kneading pot. The device comprises:

[0008] A screw lifting assembly, wherein the screw lifting assembly is arranged at an upper end of one side of the kneading pot, and an output end of the screw lifting assembly extends into the interior of the kneading pot;

[0009] A cleaning component integrated at the output end of the screw lifting assembly, the cleaning component is driven by the screw lifting assembly to achieve up and down reciprocating motion, one end of the cleaning component is close to the inner wall of the kneading pot, and the paste on the inner wall of the kneading pot is scraped off by the cleaning component; and

[0010] Temperature measuring resistor components;

[0011] The temperature measuring resistor assembly comprises:

[0012] A temperature measuring and conducting component disposed in the kneading pot; and

[0013] A temperature measuring resistor connected to the temperature measuring and conducting component, wherein an organic heat carrier is contained inside the temperature measuring and conducting component, and the organic heat carrier serves as a heat transfer medium. The temperature measuring resistor indirectly measures the temperature in the kneading pot through the heat transfer medium.

[0014] Furthermore, a stirring structure is provided at the lower part of the kneading pot;

[0015] The dry material and liquid asphalt in the kneading pot are stirred and mixed by the stirring structure to form a paste;

[0016] The lower end of the kneading pot is provided with an openable pot bottom door, and the paste is discharged from the pot bottom door.

[0017] Furthermore, the screw lifting assembly includes:

[0018] Screw drive motor;

[0019] A transmission gear set drivingly connected to the output end of the lead screw drive motor; and

[0020] The transmission gear set drives a lead screw, and the upper end of the lead screw is rotatably connected to the external structure through a bearing;

[0021] The lead screw lifting assembly also includes an internal mounting frame which is threadedly connected to the lead screw and can move in a vertical direction, and the cleaning component is mounted on the lower end of the internal mounting frame;

[0022] The screw drive motor of the screw lifting assembly is controlled by an external PLC, and the PLC controls the pot bottom door. When the pot bottom door is opened, the PLC controls the screw lifting assembly to work and drives the cleaning component to move downward to clean the paste on the inner wall of the kneading pot.

[0023] Furthermore, the cleaning component is configured as a wedge-shaped structure with an upper cross-sectional dimension smaller than a lower cross-sectional dimension.

[0024] Furthermore, the temperature measuring resistor is arranged outside the kneading pot, and the temperature measuring resistor communicates with the PLC.

[0025] Furthermore, the lead screw lifting assembly also includes a mounting frame;

[0026] The installation frame includes:

[0027] an external mounting frame and said internal mounting frame;

[0028] The external mounting frame is arranged at the upper end of the kneading pot, and the lead screw drive motor is arranged at the external mounting frame;

[0029] The transmission gear set comprises:

[0030] a first gear connected to an output end of the lead screw drive motor;

[0031] a transmission gear meshing with the first gear; and

[0032] A second gear connected to the first gear through the transmission gear, the second gear being connected to the lead screw and driving the lead screw to rotate;

[0033] The lead screw is threadedly connected to the internal installation frame to drive the internal installation frame to move in a vertical direction;

[0034] A reinforcing rib plate is provided on one side of the internal installation frame close to the inner wall of the kneading pot, and a passage is provided on the internal installation frame to avoid the reinforcing rib plate;

[0035] When the lead screw drive motor drives the internal installation frame and the cleaning component to move downward to the lowest end, the temperature measuring resistor is located close to the top wall of the internal installation frame.

[0036] In the above technical solution, the utility model provides an online temperature measuring device for a kneading pot, which has the following beneficial effects:

[0037] The online temperature measuring device of the utility model drives the cleaning component to move and scrape off the paste on the inner wall of the kneading pot through the screw lifting assembly, and at the same time utilizes the PLC to link with the pot bottom door and control the cleaning component to move downward to scrape out the paste when the pot bottom door is opened. The automation degree is high, the labor intensity of workers is reduced, and the safe operation is improved.

[0038] The online temperature measuring device of the utility model realizes indirect temperature measurement by utilizing the heat transfer medium in the temperature measuring conduction component in cooperation with the temperature measuring resistor, and transmits the temperature data to the PLC. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0040] Figure 1 It is a front view of the online temperature measuring device for a kneading pot disclosed in an embodiment of the present application;

[0041] Figure 2 It is a side view of the online temperature measuring device of the kneading pot disclosed in the embodiment of the present application.

[0042] Description of reference numerals:

[0043] 1. Mixing pot; 2. Pot bottom door; 3. Screw lifting assembly; 4. Temperature measuring resistor; 5. Temperature measuring conduction assembly; 6. Cleaning parts; 7. PLC; 8. Reinforcement plate; 9. Installation frame;

[0044] 301, lead screw drive motor; 302, first gear; 303, second gear; 304, transmission gear; 305, lead screw;

[0045] 901, external installation frame; 902, internal installation frame; DETAILED DESCRIPTION

[0046] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0047] See also Figure 1 to Figure 2 As shown;

[0048] This embodiment discloses an online temperature measuring device for a kneading pot, which is integrated into the upper part of one side of the kneading pot 1 and includes:

[0049] A screw lifting assembly 3, wherein the screw lifting assembly 3 is arranged at the upper end of one side of the kneading pot 1, and the output end of the screw lifting assembly 3 extends to the inside of the kneading pot 1;

[0050] A cleaning component 6 is integrated at the output end of the screw lifting assembly 3, and the cleaning component 6 is driven by the screw lifting assembly 3 to achieve up and down reciprocating motion, one end of the cleaning component 6 is close to the inner wall of the kneading pot 1, and the paste on the inner wall of the kneading pot 1 is scraped off by the cleaning component 6; and

[0051] Temperature measuring resistor components;

[0052] The temperature measuring resistor assembly includes:

[0053] A temperature measuring and conducting component 5 disposed in the kneading pot 1; and

[0054] The temperature measuring resistor 4 is connected to the temperature measuring and conducting component 5. The temperature measuring and conducting component 5 contains an organic heat carrier, which serves as a heat transfer medium. The temperature measuring resistor 4 indirectly measures the temperature in the kneading pot 1 through the heat transfer medium.

[0055] Specifically, this embodiment discloses an online cleaning and temperature measuring device for a kneading pot 1 suitable for the aluminum prebaked anode forming process; it is arranged at the upper part of one end of the kneading pot 1, and mainly includes a screw lifting assembly 3, a cleaning component 6 connected to the output end of the screw lifting assembly 3, and a temperature measuring resistor assembly; this embodiment uses the screw lifting assembly 3 to drive the cleaning component 6 to move up and down under set conditions to scrape off the paste on the inner wall of the kneading pot 1, thereby protecting the above-mentioned temperature measuring resistor assembly. The temperature measuring resistor assembly of this embodiment measures the internal temperature in an indirect temperature measurement manner, specifically, the temperature measuring resistor assembly of this embodiment includes a temperature measuring conduction assembly 5 and a temperature measuring resistor 4, wherein the temperature measuring conduction assembly 5 is filled with an organic heat carrier as a heat transfer medium, and the heat transfer medium is used to conduct heat to the temperature measuring resistor 4 to achieve the purpose of indirect temperature measurement. The device of this embodiment has a high degree of automation, does not require manual cleaning of the paste, and has high safety.

[0056] Preferably, a stirring structure is provided at the lower part of the kneading pot 1 of this embodiment;

[0057] The dry material and liquid asphalt in the kneading pot 1 are stirred and mixed by the stirring structure to form a paste;

[0058] The lower end of the kneading pot 1 is provided with an openable pot bottom door 2, through which the paste is discharged.

[0059] Preferably, the screw lifting assembly 3 of this embodiment includes a screw driving motor 301; a transmission gear set drivingly connected to the output end of the screw driving motor 301; and a screw 305 driven by the transmission gear set, and the upper end of the screw 305 is rotatably connected to the external structure through a bearing;

[0060] The lead screw lifting assembly 3 further includes an internal mounting frame 902 which is threadedly connected to the lead screw 305 and can move in the vertical direction, and a cleaning component 6 is mounted on the lower end of the internal mounting frame 902;

[0061] Among them, the screw drive motor 301 of the screw lifting assembly 3 of this embodiment is controlled by the external PLC7, and the PLC7 controls the pot bottom door 2. When the pot bottom door 2 is opened, the PLC7 controls the screw lifting assembly 3 to work and drives the cleaning component 6 to move downward to clean the paste on the inner wall of the mixing pot 1.

[0062] The present embodiment further defines the structure of the lead screw lifting assembly 3, which uses a lead screw drive motor 301 as a driving component. The output end of the lead screw drive motor 301 drives the transmission gear set to rotate to drive the lead screw 305 to rotate. In order to allow the lead screw 305 to only perform rotational motion without linear motion, the upper end of the lead screw 305 of the present embodiment needs to be connected to the external structure through a bearing, so that the rotation requirement of the lead screw 305 can be met and there will be no linear motion. At the same time, the lead screw 305 of the present embodiment is threadedly connected to the internal mounting frame 902. When the lead screw 305 rotates, the rotational connection with the internal mounting frame 902 can be converted into linear motion of the internal mounting frame 902, thereby driving the internal mounting frame 902 to reciprocate in the vertical direction.

[0063] As a cleaning component 6 that can meet the use requirements, the cleaning component 6 of this embodiment is configured as a wedge-shaped structure with an upper end cross-sectional size smaller than a lower end cross-sectional size.

[0064] Preferably, the temperature measuring resistor 4 of this embodiment is arranged outside the kneading pot 1, and the temperature measuring resistor 4 communicates with the PLC 7.

[0065] Preferably, the lead screw lifting assembly 3 of this embodiment further includes a mounting frame 9;

[0066] The installation frame 9 includes:

[0067] External mounting frame 901 and internal mounting frame 902;

[0068] The external mounting frame 901 is arranged at the upper end of the kneading pot 1, and the lead screw drive motor is arranged on the external mounting frame 901;

[0069] The transmission gear set of this embodiment includes:

[0070] A first gear 302 connected to the output end of the lead screw drive motor 301;

[0071] a transmission gear 304 meshing with the first gear 302; and

[0072] A second gear 303 connected to the first gear 302 through a transmission gear 304, the second gear 303 is connected to the lead screw 305, and drives the lead screw 305 to rotate;

[0073] The lead screw 305 is threadedly connected to the internal installation frame 902 to drive the internal installation frame 902 to move in the vertical direction;

[0074] A reinforcing rib plate 8 is provided on one side of the internal installation frame 902 close to the inner wall of the kneading pot 1, and a passage for avoiding the reinforcing rib plate 8 is provided on the internal installation frame 902;

[0075] When the lead screw drive motor 301 drives the internal installation frame 902 and the cleaning component 6 to move downward to the lowest end, the temperature measuring resistor 4 is located near the top wall of the internal installation frame 902 .

[0076] This embodiment is further explained and illustrated by only a mounting frame 9 that can realize the integrated structure of the screw lifting assembly 3 and the temperature measuring resistor assembly. The mounting frame 9 of this embodiment is used as a mounting structure for the screw lifting assembly 3 and the cleaning component 6, and is divided into an external mounting frame 901 and an internal mounting frame 902. The external mounting frame 901 of this embodiment is fixed to the upper end of the kneading pot 1 and supports the screw drive motor 301 of this embodiment.

[0077] In addition, the temperature measuring and conducting component 5 of the present embodiment is located inside the internal mounting frame 902. The present embodiment can fix the temperature measuring and conducting component 5 by designing the reinforcing rib plate 8, and prevent the device from falling off and damaging the stirring blade due to material extrusion during the kneading process, thereby ensuring the normal operation of the kneading pot 1. The cleaning component 6 of the present embodiment is a wedge-shaped block driven up and down by the lead screw lifting component 3. Therefore, in order to avoid interference movement, the internal mounting frame 902 of the present embodiment is provided with a channel for the reinforcing rib plate 8 to pass through. Therefore, the present embodiment only needs to design the external mounting frame 901 and the internal mounting frame 902 of corresponding sizes according to the position and length of the temperature measuring resistor component, and set the length of the cylinder extension according to the specific height of the temperature measuring resistor 4 to ensure that when it moves to the lower limit position, the inner wall of the internal mounting frame 902 will not hit the temperature measuring resistor 4.

[0078] In addition, this embodiment only illustrates the composition of the transmission gear set. In actual manufacturing, a gear that can maintain the position of the gear can be set at the corresponding position of the device. At the same time, since the internal installation frame 902 moves in this embodiment, in order to avoid interference, a channel that can avoid the above-mentioned transmission gear 304 needs to be preset at the corresponding position of the internal installation frame 902, so as to ensure that the internal installation frame 902 can move smoothly.

[0079] In the above technical solution, the utility model provides an online temperature measuring device for a kneading pot, which has the following beneficial effects:

[0080] The online temperature measuring device of the utility model drives the cleaning component 6 to move and scrape off the paste on the inner wall of the kneading pot 1 through the screw lifting assembly 3, and at the same time uses the PLC 7 to link with the pot bottom door 2 and control the cleaning component 6 to move downward to scrape out the paste when the pot bottom door 2 is opened. The automation degree is high, the labor intensity of workers is reduced, and the safe operation is improved.

[0081] The online temperature measuring device of the present invention utilizes the heat transfer medium in the temperature measuring conduction component 5 in cooperation with the temperature measuring resistor 4 to achieve indirect temperature measurement, and transmits the temperature data to the PLC 7.

[0082] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. The online temperature measuring device of the kneading pot is characterized in that: The device is integrated into the upper part of one side of a kneading pot (1), and comprises: A screw lifting assembly (3), wherein the screw lifting assembly (3) is arranged at an upper end of one side of the kneading pot (1), and an output end of the screw lifting assembly (3) extends into the interior of the kneading pot (1); a cleaning component (6) integrated at the output end of the screw lifting assembly (3), the cleaning component (6) being driven by the screw lifting assembly (3) to achieve up and down reciprocating motion, one end of the cleaning component (6) being close to the inner wall of the kneading pot (1), and the paste on the inner wall of the kneading pot (1) being scraped off by the cleaning component (6); and Temperature measuring resistor components; The temperature measuring resistor assembly comprises: A temperature measuring and conducting component (5) disposed in the kneading pot (1); and A temperature measuring resistor (4) connected to the temperature measuring and conducting component (5), wherein an organic heat carrier is contained inside the temperature measuring and conducting component (5), and the organic heat carrier serves as a heat transfer medium. The temperature measuring resistor (4) indirectly measures the temperature inside the kneading pot (1) through the heat transfer medium.

2. The online temperature measuring device for a kneading pan according to claim 1, characterized in that: The lower part of the kneading pot (1) is provided with a stirring structure; The dry material and liquid asphalt in the kneading pot (1) are stirred and mixed by the stirring structure to form a paste; The lower end of the kneading pot (1) is provided with an openable pot bottom door (2), and the paste is discharged from the pot bottom door (2).

3. The online temperature measuring device for a kneading pan according to claim 2, characterized in that: The screw lifting assembly (3) comprises: Screw drive motor (301); A transmission gear set transmission-connected to the output end of the lead screw drive motor (301); and A lead screw (305) is driven by the transmission gear set, and the upper end of the lead screw (305) is rotatably connected to the external structure via a bearing; The lead screw lifting assembly (3) further comprises an internal mounting frame (902) threadedly connected to the lead screw (305) and movable in a vertical direction, the cleaning component (6) being mounted at the lower end of the internal mounting frame (902); The screw drive motor (301) of the screw lifting assembly (3) is controlled by an external PLC (7), and the PLC (7) controls the pot bottom door (2). When the pot bottom door (2) is opened, the PLC (7) controls the screw lifting assembly (3) to work and drives the cleaning component (6) to move downward to clean the paste on the inner wall of the kneading pot (1).

4. The online temperature measuring device for a kneading pot according to claim 3, characterized in that: The cleaning component (6) is configured as a wedge-shaped structure with an upper cross-sectional dimension smaller than a lower cross-sectional dimension.

5. The online temperature measuring device for a kneading pan according to claim 3, characterized in that: The temperature measuring resistor (4) is arranged outside the kneading pot (1), and the temperature measuring resistor (4) communicates with the PLC (7).

6. The online temperature measuring device for a kneading pot according to claim 4, characterized in that: The screw lifting assembly (3) also includes a mounting frame (9); The installation frame (9) comprises: An external mounting frame (901) and the internal mounting frame (902); The external mounting frame (901) is arranged at the upper end of the kneading pot (1), and the lead screw drive motor is arranged on the external mounting frame (901); The transmission gear set comprises: A first gear (302) connected to the output end of the lead screw drive motor (301); a transmission gear (304) meshing with the first gear (302); and a second gear (303) which is transmission-connected to the first gear (302) via the transmission gear (304), wherein the second gear (303) is connected to the lead screw (305) and drives the lead screw (305) to rotate; The lead screw (305) is threadedly connected to the internal installation frame (902) to drive the internal installation frame (902) to move in a vertical direction; The internal installation frame (902) is provided with a reinforcing rib plate (8) on one side close to the inner wall of the kneading pot (1), and the internal installation frame (902) is provided with a passage for avoiding the reinforcing rib plate (8); When the screw drive motor (301) drives the internal installation frame (902) and the cleaning component (6) to move downward to the lowest end, the temperature measuring resistor (4) is located close to the top wall of the internal installation frame (902).

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