Flour mill operation balance detection system

The grinding mill balance detection system with sliding cooperation between the sleeve and the telescopic tube solves the problem of dust adhesion on the roller gap surface of the grinding mill, realizes high-precision grinding roller balance detection and extends the equipment life.

CN223449394UActive Publication Date: 2025-10-17ZHENGZHOU YUXIN ELECTRIC CONTROL TECH CO LTD
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Patent Information

Application Number
CN202423090325.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-10-17
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

When monitoring the distance between the grinding rollers in an existing grinding mill, the detection accuracy is reduced due to dust adhering to the roller distance meter sensor.

Method used

The sleeve and telescopic tube are slidably matched, the displacement change of the grinding roller is detected by the pressure sensor, and the roller spacing is adjusted in combination with the elastic part and the motor-driven screw nut to achieve grinding roller balance detection.

Benefits of technology

The detection accuracy of the grinding roller balance is improved, the dust is prevented from affecting the sensor, the service life of the equipment is extended, and manpower is saved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flour mill operation balance detection system which comprises an installation frame, two sets of bearing seats are installed on the installation frame, grinding rollers are installed on the two sets of bearing seats, sleeves are installed on the sides, away from each other, of the two sets of bearing seats, and telescopic pipes extending into the sleeves are installed on the inner wall of the installation frame. A pressure sensor is installed in the elastic piece, the elastic piece is installed between the telescopic pipe and the pressure sensor, and the pressure sensor is in signal connection with an external display device. The device has the beneficial effects that the sleeve and the telescopic pipe are matched with each other, and when the grinding roller displaces, the bearing seat can drive the sleeve and the telescopic pipe to displace, so that the state of the elastic piece is changed, and pressure data detected by the pressure sensor is changed; a worker can obtain the change of the numerical value of the pressure sensor through external display equipment to judge whether the balance between the two groups of grinding rollers is changed or not, so that the detection precision of the balance of the two groups of grinding rollers is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flour mill, especially the flour mill operation balance detection system. BACKGROUND

[0002] The flour mill is widely used in the grinding processing of mineral product materials in metallurgy, building material, chemical industry, mine and other fields. According to the fineness of the ground material and the fineness of the discharged material, the flour mill can be divided into six types of flour mill, including vertical swing flour mill, high-pressure suspension roller flour mill, high-pressure micro-powder flour mill, straight-through centrifugal flour mill, super-pressure trapezoidal flour mill and three-ring medium-speed flour mill. The flour mill is composed of main machine, analyzer, air blower, finished product cyclone separator, pipeline device and motor. The main machine is composed of rack, air inlet volute, shovel, grinding roller, grinding ring, cover and motor. The auxiliary equipment includes jaw crusher, bucket elevator, electromagnetic vibration feeder and electric control cabinet, which can be flexibly selected according to the site conditions. Some existing flour mills usually set up roll gap table to monitor the distance between the grinding rollers in order to ensure the grinding quality. However, the grinding roller processing will generate a lot of dust, which is easy to adhere to the sensor on the roll gap table, causing impact and reducing the detection accuracy of the roll gap table. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of some existing flour mills, which usually set up roll gap table to monitor the distance between the grinding rollers in order to ensure the grinding quality. However, the grinding roller processing will generate a lot of dust, which is easy to adhere to the sensor on the roll gap table, causing impact and reducing the detection accuracy of the roll gap table. The utility model provides a flour mill operation balance detection system.

[0004] The utility model discloses a flour mill operation balance detection system, including mounting bracket and two groups of grinding rollers, two groups of bearing seats are installed on the mounting bracket, two groups of grinding rollers are installed on two groups of bearing seats respectively, the side that two groups of bearing seats are away from each other all is installed with the sleeve pipe, the inner wall of mounting bracket is installed with the telescopic pipe that extends to the sleeve pipe, the sleeve pipe is installed with pressure sensor, and the pressure sensor is connected with the signal of external display equipment, the sleeve pipe and telescopic pipe are slidably matched when the grinding roller displacement occurs, and the bearing seat will drive the sleeve pipe and telescopic pipe telescopic displacement, thereby making the state of elastic piece change, leading to the change of pressure data detected by pressure sensor, and the staff can obtain the change of pressure sensor value through external display equipment to judge whether the balance between two groups of grinding rollers changes, improving the detection accuracy of the balance of two groups of grinding rollers.

[0005] A further technical solution is that the sleeve is cylindrical, the telescopic tube is cylindrical, the outer side of the telescopic tube is slidably connected to the inner wall of the sleeve, and the arrangement of the cylindrical sleeve and the cylindrical telescopic tube can improve the sealing between the sleeve and the telescopic tube, thereby preventing dust from entering the sleeve and affecting the pressure sensor, thereby ensuring the detection accuracy of the pressure sensor.

[0006] A further technical solution is that the elastic member is a compression spring. Setting the elastic member as a compression spring has a good characteristic of bearing axial pressure, which effectively extends the service life of the equipment.

[0007] A further technical solution is that a slide groove is opened on the mounting frame, and a slider is installed on the bottom surface of the bearing seat. The slider is slidably connected to the slide groove. By arranging the slider and the slide groove in combination, the stability of the bearing seat can be ensured when adjusting the roller spacing.

[0008] A further technical solution is that a screw nut is installed between the bearing seat and the slider, and a motor is installed on the side of the mounting frame. The power output end of the motor is connected to the screw nut through a screw, and the bearing seat is a forward and reverse motor. By setting the motor to drive the screw to rotate and cooperate with the screw nut to drive the bearing seat to move, the roller spacing between the grinding rollers can be adjusted, which effectively saves manpower.

[0009] The utility model has the following advantages: the utility model sets a sleeve and a telescopic tube for sliding cooperation. When the grinding roller is displaced, the bearing seat will drive the sleeve and the telescopic tube to displace, thereby changing the state of the elastic member, resulting in a change in the pressure data detected by the pressure sensor. The staff can obtain the change in the pressure sensor value through the external display device to determine whether the balance between the two groups of grinding rollers has changed, thereby improving the detection accuracy of the balance of the two groups of grinding rollers. The cylindrical sleeve is set to cooperate with the cylindrical telescopic tube to improve the sealing between the sleeve and the telescopic tube, thereby preventing dust from entering the sleeve and affecting the pressure sensor, thereby ensuring the detection accuracy of the pressure sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic cross-sectional view of the overall structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0012] Figure 3 For the utility model Figure 1 A magnified schematic diagram of the structure A in the middle;

[0013] In the figure, 1. mounting frame; 2. grinding roller; 3. sleeve; 4. telescopic tube; 5. elastic part; 6. pressure sensor; 7. slider; 8. slide; 9. motor; 10. lead screw; 11. lead screw nut; 12. bearing seat. DETAILED DESCRIPTION

[0014] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0015] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0016] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0017] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0018] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] As Figures 1 to 3 shown, the mill operation balance detection system, including the mounting frame 1 and two sets of grinding roller 2, the mounting frame 1 is installed with two sets of bearing seat 12, two sets of grinding roller 2 are installed on two sets of bearing seat 12 respectively, the side of two sets of bearing seat 12 away from each other is installed with sleeve 3, the inner wall of mounting frame 1 is installed with telescopic tube 4 extending into sleeve 3, the sleeve 3 is installed with pressure sensor 6, the elastic element 5 is installed between telescopic tube 4 and pressure sensor 6, the pressure sensor 6 is signal connected with external display device, by setting sleeve 3 and telescopic tube 4 sliding fit when the displacement of grinding roller 2 occurs, bearing seat 12 will drive sleeve 3 and telescopic tube 4 to displace, so that the state of elastic element 5 changes, resulting in the change of pressure data detected by pressure sensor 6, the staff can obtain the change of pressure sensor 6 value through external display device to judge whether the balance between two sets of grinding roller 2 changes, when the value of pressure sensor 6 and the initial value exceeds the predetermined range, it shows that the displacement occurs between sleeve 3 and telescopic tube 4, which represents the change of balance between two sets of grinding roller 2, so as to improve the detection accuracy of the balance of two sets of grinding roller 2.

[0021] The sleeve 3 is cylindrical, the telescopic tube 4 is cylindrical, the outer side of telescopic tube 4 is slidingly connected with the inner wall of sleeve 3, setting the cylindrical sleeve 3 and the cylindrical telescopic tube 4 can improve the sealing between sleeve 3 and telescopic tube 4, so as to avoid the dust into the sleeve 3 to affect the pressure sensor 6, ensure the detection accuracy of pressure sensor 6.

[0022] The elastic element 5 is compression spring, setting the elastic element 5 as compression spring has good axial pressure bearing characteristics, effectively prolongs the service life of the equipment.

[0023] The mounting frame 1 is provided with a sliding groove 8, the bottom surface of bearing seat 12 is provided with a sliding block 7, the sliding block 7 is slidingly connected with the sliding groove 8, by setting the sliding block 7 and the sliding groove 8 can ensure the stability of bearing seat 12 when moving to adjust the roller spacing.

[0024] The bearing seat 12 and the sliding block 7 are provided with a lead screw nut 11, the side of mounting frame 1 is provided with a motor 9, the power output end of motor 9 is connected with lead screw nut 11 through lead screw 10, the bearing seat 12 is a reversible motor, by setting motor 9 to drive lead screw 10 to rotate and cooperate with lead screw nut 11 to drive bearing seat 12 to move, adjust the roller spacing between grinding roller 2, effectively save manpower.

[0025] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grinding mill operation balance detection system, comprising a mounting frame (1) and two sets of grinding rollers (2), wherein two sets of bearing seats (12) are mounted on the mounting frame (1), and the two sets of grinding rollers (2) are respectively mounted on the two sets of bearing seats (12), characterized in that: A sleeve (3) is installed on the side of the two groups of bearing seats (12) that are away from each other, a telescopic tube (4) extending into the sleeve (3) is installed on the inner wall of the mounting frame (1), a pressure sensor (6) is installed in the sleeve (3), an elastic member (5) is installed between the telescopic tube (4) and the pressure sensor (6), and the pressure sensor (6) is connected to the signal of an external display device.

2. The grinding mill operation balance detection system according to claim 1, characterized in that: The sleeve (3) is cylindrical, the telescopic tube (4) is cylindrical, and the outer side of the telescopic tube (4) is slidably connected to the inner wall of the sleeve (3).

3. The grinding mill operation balance detection system according to claim 1, characterized in that: The elastic member (5) is a compression spring.

4. The grinding mill operation balance detection system according to claim 1, characterized in that: A sliding groove (8) is provided on the mounting frame (1), a slider (7) is installed on the bottom surface of the bearing seat (12), and the slider (7) is slidably connected to the sliding groove (8).

5. The grinding mill operation balance detection system according to claim 4, characterized in that: A lead screw nut (11) is installed between the bearing seat (12) and the slider (7), a motor (9) is installed on the side of the mounting frame (1), and a power output end of the motor (9) is connected to the lead screw nut (11) through a lead screw (10).