Sand making machine with life monitoring function

Abstract

The application provides a sand making machine with a life monitoring function, and belongs to the field of sand making machines. The sand making machine comprises a lower machine body, a main shaft system, a rotor, a crushing cavity, an upper impact plate assembly, a discharging device, an upper machine body, a life monitoring device, a motor and a peripheral guard plate assembly. The life monitoring device is uniformly arranged on the inner wall of the crushing cavity in the circumferential and axial directions. The wear states of the middle position and the side surface of the peripheral guard plate are determined, so that the residual life of the peripheral guard plate of the sand making machine is monitored. The maintenance cost of the equipment is reduced, and the safe and stable operation of the equipment is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of sand making machines, in particular to a sand making machine with life monitoring function. BACKGROUND

[0002] The sand making machine is a device for crushing large pieces of material into sand particles, which is widely used in the medium crushing and fine crushing of various hard and brittle materials such as rock, abrasive and refractory materials. After the rotor is accelerated, the material is crushed in the crushing chamber by the "stone hitting iron" method of collision and broken into small particles. As can be seen, the main collision parts such as the peripheral guard plate in the crushing chamber are severely worn, which can greatly affect the service life of the equipment. Therefore, it is of great significance to realize the life monitoring of the sand making machine to reduce the maintenance cost of the equipment and ensure the safe and stable operation of the equipment.

[0003] Chinese patent with publication number CN 114260091 B proposes an environmental protection stone crushing sand making machine with intelligent detection function of wear degree, which detects the wear degree of the equipment through a distance measuring sensor, which has high requirements for sensor accuracy and great limitations in use. Chinese patent with publication number CN 111701667 B proposes a sand making machine with wear monitoring and its sensor, which can detect the wear degree of the surface of the bearing cylinder; however, it cannot monitor the life of the main wear parts of the sand making machine. SUMMARY

[0004] The purpose of the present application is to provide a sand making machine with life monitoring function, which can monitor the remaining life of the peripheral guard plate of the sand making machine by judging the wear state of the middle position and side surface of the peripheral guard plate through the life monitoring device uniformly distributed in the circumferential and axial direction of the inner wall of the crushing chamber, thereby reducing the maintenance cost of the equipment and ensuring the safe and stable operation of the equipment.

[0005] In order to achieve the above-mentioned purpose of the application, the technical scheme adopted by the present application is as follows:

[0006] The present application provides a sand making machine with life monitoring function, wherein the sand making machine is uniformly distributed with a plurality of alternately arranged life monitoring devices and peripheral guard plate assemblies in the circumferential direction of the inner wall of its crushing chamber, the life monitoring device comprises a peripheral guard plate, the peripheral guard plate is embedded and fixed on the inner wall of the crushing chamber through a connecting buckle provided in the middle of the bottom surface, the bottom surface of the peripheral guard plate is also provided with a middle monitoring hole and two side monitoring holes symmetrically arranged on both sides of the middle monitoring hole, the middle monitoring hole is communicated with a positioning hole provided in the middle of the bottom surface of the peripheral guard plate, and the positioning hole penetrates the connecting buckle;

[0007] The monitoring rod is installed in the middle monitoring hole and the side monitoring hole, and comprises a plurality of installation tables with diameters gradually increasing from left to right, and a plurality of installation holes matched with the installation tables are arranged in the middle monitoring hole and the side monitoring hole; the left top of the monitoring rod abuts against the bottom surface of the middle monitoring hole and the side monitoring hole, and a gap is left between the other installation tables of the monitoring rod and the end surface of the matched installation hole.

[0008] The right end surface of the monitoring rod in the middle monitoring hole is in contact with an adjusting rod, one end of the adjusting rod away from the monitoring rod is in contact with a spring, one end of the spring away from the adjusting rod is pressed and fixed by a fixed plate, and a pressure sensor capable of detecting the pressure of the spring is embedded on the end surface of the fixed plate close to the spring.

[0009] The right end surface of the monitoring rod in the side monitoring hole is in contact with a second spring, one end of the second spring away from the monitoring rod is pressed and fixed on the bottom surface of the peripheral guard plate by a second fixed plate, and a pressure sensor capable of detecting the pressure of the second spring is embedded on the end surface of the second fixed plate close to the second spring, so as to judge the wear state of the middle position and the side of the peripheral guard plate according to the pressure data of the pressure sensor, thereby monitoring the remaining life of the peripheral guard plate of the sand making machine.

[0010] Preferably, the outer shape structure of the peripheral guard plate assembly is the same as that of the peripheral guard plate, and the bottom surface of the peripheral guard plate assembly is also fixed on the inner wall of the crushing cavity by the clamping force of the connecting buckle.

[0011] Preferably, the fixed plate is fixed in the fixed plate installation table arranged on the connecting buckle by a bolt, and the second fixed plate is fixed on the second fixed plate installation table arranged on the bottom surface of the peripheral guard plate by a bolt.

[0012] Preferably, the fixed plate and the second fixed plate are provided with a sensor installation hole for embedding the pressure sensor and a wire hole for facilitating the lead-out of the lead wire.

[0013] Preferably, the life monitoring device and the peripheral guard plate assembly are arranged in two layers, 4-8 life monitoring devices are arranged in each layer, 12-24 peripheral guard plate assemblies are arranged, and the two layers are staggered.

[0014] Preferably, the monitoring rod comprises a first installation table, a second installation table, a third installation table and a fourth installation table with diameters gradually increasing, and the middle monitoring hole and the side monitoring hole are provided with a first installation hole, a second installation hole, a third installation hole and a fourth installation hole matched with the monitoring rod and gradually increasing in inner diameter, and the first installation hole, the second installation hole, the third installation hole and the fourth installation hole have the same height and diameters gradually increasing at equal intervals.

[0015] Preferably, the diameters of the first mounting platform, the second mounting platform, the third mounting platform and the fourth mounting platform are 0.5-1mm smaller than the diameters of the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole respectively,

[0016] The first mounting platform is 2mm higher than the first mounting hole, the second mounting platform is the same height as the second mounting hole, the third mounting platform is the same height as the third mounting hole, and the fourth mounting platform is half the height of the third mounting platform.

[0017] Preferably, the spring is in a compressed state, the first mounting hole is in contact with the end face of the first mounting platform, and there is a 2mm gap between the end faces of the second mounting hole and the second mounting platform, the third mounting hole and the third mounting platform, and the fourth mounting hole and the fourth mounting platform, and the adjusting rod is used to adjust the pressure of the pressure sensor.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] By distributing the life monitoring device in the circumferential direction and the axial direction of the total assembly of the circumferential protection plate on the inner wall of the crushing cavity, the wear state of the middle position and the side of the circumferential protection plate is determined, so that the remaining life of the circumferential protection plate of the sand making machine is monitored in real time. After the circumferential protection plate is seriously worn, the crushing cavity cannot be protected, which leads to the destruction of the crushing cavity and the reduction of the material crushing rate, thereby ensuring the safe and stable operation of the equipment. At the same time, the real-time monitoring of the remaining life of the circumferential protection plate avoids manual inspection and equipment downtime, and reduces the maintenance cost of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation of the present application.

[0021] Figure 1 A structure schematic view of a sand making machine with a life monitoring function is provided for the embodiments of the present application;

[0022] Figure 2 A structure schematic view of a life monitoring device is provided for the embodiments of the present application;

[0023] Figure 3 A structure schematic view of a circumferential protection plate is provided for the embodiments of the present application;

[0024] Figure 4 A structure schematic view of a monitoring rod is provided for the embodiments of the present application.

[0025] Explanation of reference signs:

[0026] 1. Lower body; 2. Main shaft system; 3. Rotor; 4. Crushing chamber; 5. Upper impact plate assembly; 6. Unloading device; 7. Upper body; 8. Life monitoring device; 8-1. Peripheral guard plate; 8-1-1. Central monitoring hole; 8-1-2. Side monitoring hole; 8-1-3. Connecting buckle; 8-1-4. Fixing plate mounting platform; 8-1-5. Positioning hole; 8-1-6. First mounting hole; 8-1-7. Second mounting hole; 8-1-8. Three mounting holes; 8-1-9, Fourth mounting hole; 8-2, Monitoring rod; 8-2-1, First mounting platform; 8-2-2, Second mounting platform; 8-2-3, Third mounting platform; 8-2-4, Fourth mounting platform; 8-3, Pressure sensor; 8-4, Fixing plate; 8-4-1, Wiring hole; 8-4-2, Sensor mounting hole; 8-5, Spring; 8-6, Adjusting rod; 8-7, Bolt; 9, Motor; 10, Peripheral guard plate assembly. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] like Figures 1-4 As shown, the sand making machine in this embodiment includes a lower body 1, a main shaft system 2, a rotor 3, a crushing chamber 4, an upper impact plate assembly 5, a discharge device 6, an upper body 7, a life monitoring device 8, a motor 9, and a peripheral guard plate assembly 10. The motor 9 is connected to the main shaft system 2. The main shaft system 2 and the crushing chamber 4 are mounted on the lower body 1. The rotor 3 is mounted inside the crushing chamber 4 and fixedly connected to the main shaft system 2. The upper impact plate assembly 5, the life monitoring device 8, and the peripheral guard plate assembly 10 are mounted on the inner wall of the crushing chamber 4. The upper body 7 is mounted on the crushing chamber 4, and the discharge device 6 is mounted inside the upper body 7.

[0029] This invention provides a sand making machine with a life monitoring function. The sand making machine has several alternately arranged life monitoring devices 8 and peripheral guard plate assemblies 10 evenly distributed on the inner wall of its crushing chamber 4. The life monitoring device 8 includes a peripheral guard plate 8-1. The peripheral guard plate 8-1 is fixed to the inner wall of the crushing chamber 4 by a connecting buckle 8-1-3 set in the middle of the bottom surface. The bottom surface of the peripheral guard plate 8-1 also has a central monitoring hole 8-1-1 and two side monitoring holes 8-1-2 symmetrically arranged on both sides of the central monitoring hole 8-1-1. The central monitoring hole 8-1-1 is connected to a positioning hole 8-1-5 opened in the middle of the bottom surface of the peripheral guard plate 8-1. The positioning hole 8-1-5 passes through the connecting buckle 8-1-3.

[0030] The monitoring rod 8-2 is installed in the middle monitoring hole 8-1-1 and the side monitoring hole 8-1-2, and comprises a plurality of mounting tables with diameters increasing from left to right, and a plurality of mounting holes in the middle monitoring hole 8-1-1 and the side monitoring hole 8-1-2 are matched with the mounting tables of the monitoring rod 8-2; the left top of the monitoring rod 8-2 abuts against the bottom of the middle monitoring hole 8-1-1 and the side monitoring hole 8-1-2, and the other mounting tables of the monitoring rod 8-2 and the matched mounting holes have a gap.

[0031] The right end surface of the monitoring rod 8-2 in the middle monitoring hole 8-1-1 is in contact with an adjusting rod 8-6, one end of the adjusting rod 8-6 away from the monitoring rod 8-2 is in contact with a spring 8-5, one end of the spring 8-5 away from the adjusting rod 8-6 is tightly fixed by a fixing plate 8-4 on the connecting buckle 8-1-3, and a pressure sensor 8-3 capable of detecting the pressure of the spring 8-5 is embedded on the end surface of the fixing plate 8-4 close to the spring 8-5.

[0032] The right end surface of the monitoring rod 8-2 in the side monitoring hole 8-1-2 is in contact with a second spring, one end of the second spring away from the monitoring rod 8-2 is tightly fixed on the bottom of the peripheral guard plate 8-1 by a second fixing plate, a pressure sensor 8-3 capable of detecting the pressure of the second spring is embedded on the end surface of the second fixing plate close to the second spring, and the wear state of the middle position and the side of the peripheral guard plate 8-1 is judged according to the pressure data of the pressure sensor 8-3, so as to monitor the remaining life of the peripheral guard plate 8-1 of the sand making machine.

[0033] The peripheral guard plate assembly 10 has the same shape structure as the peripheral guard plate 8-1, and the bottom of the peripheral guard plate assembly 10 is clamped and fixed on the inner wall of the crushing cavity 4 by the connecting buckle 8-1-3.

[0034] The fixing plate 8-4 is fixed in the fixing plate mounting table 8-1-4 of the connecting buckle 8-1-3 by the bolt 8-7, and the second fixing plate is fixed on the second fixing plate mounting table arranged on the bottom of the peripheral guard plate 8-1 by the bolt 8-7.

[0035] The fixing plate 8-4 and the second fixing plate are provided with a sensor mounting hole 8-4-2 for embedding the pressure sensor 8-3 and a wire hole 8-4-1 for conveniently leading out the wire.

[0036] The life monitoring device 8 and the peripheral guard plate assembly 10 are arranged in two layers, each layer of the life monitoring device 8 is arranged with 4-8, the peripheral guard plate assembly 10 is arranged with 12-24, and the two layers are staggered.

[0037] The monitoring rod 8-2 comprises a first mounting table 8-2-1, a second mounting table 8-2-2, a third mounting table 8-2-3 and a fourth mounting table 8-2-4 with gradually increasing diameters; the intermediate monitoring hole 8-1-1 and the side monitoring hole 8-1-2 are provided with a first mounting hole 8-1-6, a second mounting hole 8-1-7, a third mounting hole 8-1-8 and a fourth mounting hole 8-1-9 with gradually increasing inner diameters matched with the monitoring rod 8-2, and the first mounting hole 8-1-6, the second mounting hole 8-1-7, the third mounting hole 8-1-8 and the fourth mounting hole 8-1-9 have the same height and gradually increasing diameters at equal intervals.

[0038] The diameters of the first mounting table 8-2-1, the second mounting table 8-2-2, the third mounting table 8-2-3 and the fourth mounting table 8-2-4 are respectively 0.5-1mm smaller than the diameters of the first mounting hole 8-1-6, the second mounting hole 8-1-7, the third mounting hole 8-1-8 and the fourth mounting hole 8-1-9,

[0039] The height of the first mounting table 8-2-1 is 2mm greater than the height of the first mounting hole 8-1-6, the heights of the second mounting table 8-2-2 and the third mounting table 8-2-3 are the same as the heights of the corresponding second mounting hole 8-1-7 and the third mounting hole 8-1-8, and the height of the fourth mounting table 8-2-4 is half of the height of the third mounting table 8-2-3.

[0040] The spring 8-5 is in a compressed state, the first mounting hole 8-1-6 is in contact with the end surface of the first mounting table 8-2-1, there is a 2mm gap between the end surface of the second mounting hole 8-1-7 and the second mounting table 8-2-2, between the end surface of the third mounting hole 8-1-8 and the third mounting table 8-2-3, and between the end surface of the fourth mounting hole 8-1-9 and the fourth mounting table 8-2-4, and the adjusting rod 8-6 is used to adjust the pressure of the pressure sensor 8-3.

[0041] During installation, first, the motor 9 is connected with the main shaft system 2, the main shaft system 2 and the crushing cavity 4 are installed on the lower body 1, and the rotor 3 is installed in the crushing cavity 4 and fixedly connected with the main shaft system 2. Then, the upper impact plate assembly 5, the service life monitoring device 8 and the peripheral guard plate assembly 10 are installed on the inner wall of the crushing cavity 4, the service life monitoring device 8 and the peripheral guard plate assembly 10 are evenly distributed along the inner wall of the crushing cavity 4 in the circumferential direction and in the axial direction, each layer of the service life monitoring device 8 is provided with 4-8, each layer of the peripheral guard plate assembly 10 is provided with 12-24, and the two layers are staggered. Finally, the upper body 7 is installed on the crushing cavity 4, and the discharging device 6 is installed in the upper body 7.

[0042] When the sand making machine is working, the spring 8-5 is in a compressed state, and the pressure sensor 8-3 records data. When the sand making machine is crushing, the peripheral guard plate 8-1 will be worn out with the impact of the material. When the middle position or side of the peripheral guard plate 8-1 is gradually worn to the first mounting hole 8-1-6, the gap between the second mounting hole 8-1-7 and the end face of the second mounting table 8-2-2 disappears, the compression state of the spring 8-5 changes, the pressure sensor 8-3 records data and sends a signal. Similarly, when the middle position or side of the peripheral guard plate 8-1 is gradually worn to the fourth mounting hole 8-1-9, the pressure sensor 8-3 records data and sends a signal, and the device needs to replace the peripheral guard plate 8-1.

[0043] The device judges the wear state of the middle position and side of the peripheral guard plate through the life monitoring device uniformly arranged in the inner circumferential and axial direction of the peripheral guard plate assembly on the inner wall of the crushing cavity, so as to monitor the remaining life of the peripheral guard plate of the sand making machine in real time. After the peripheral guard plate is seriously worn, the crushing cavity cannot be protected, which further leads to the destruction of the crushing cavity and the reduction of the material crushing rate, and the safety and stable operation of the equipment is ensured. At the same time, the real-time monitoring of the remaining life of the peripheral guard plate avoids manual inspection and equipment downtime, and reduces the maintenance cost of the equipment.

[0044] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sand making machine having a life monitoring function, characterized by, The sand making machine is provided with a plurality of life monitoring devices (8) and a peripheral guard plate assembly (10) which are alternately arranged on the inner wall of the crushing cavity (4) of the sand making machine, the life monitoring device (8) comprises a peripheral guard plate (8-1), the peripheral guard plate (8-1) is clamped and fixed on the inner wall of the crushing cavity (4) through the connecting buckle (8-1-3) arranged in the middle of the bottom surface, the bottom surface of the peripheral guard plate (8-1) is also provided with a middle monitoring hole (8-1-1) and two side monitoring holes (8-1-2) which are symmetrically arranged on the two sides of the middle monitoring hole (8-1-1), the middle monitoring hole (8-1-1) is communicated with the positioning hole (8-1-5) arranged in the middle of the bottom surface of the peripheral guard plate (8-1), and the positioning hole (8-1-5) penetrates through the connecting buckle (8-1-3); The monitoring rod (8-2) is provided with a plurality of mounting tables with diameters increasing from left to right, and the middle monitoring hole (8-1-1) and the side monitoring hole (8-1-2) are provided with a plurality of mounting holes with diameters increasing from left to right and matched with the mounting tables of the monitoring rod (8-2); the left top of the monitoring rod (8-2) abuts against the bottom surface of the middle monitoring hole (8-1-1) and the side monitoring hole (8-1-2), and the other mounting tables of the monitoring rod (8-2) are provided with gaps with the end faces of the matched mounting holes; The right end face of the monitoring rod (8-2) in the middle monitoring hole (8-1-1) is in contact with an adjusting rod (8-6), one end of the adjusting rod (8-6) away from the monitoring rod (8-2) is in contact with a spring (8-5), one end of the spring (8-5) away from the adjusting rod (8-6) is tightly fixed through the fixing plate (8-4) on the connecting buckle (8-1-3), and a pressure sensor capable of detecting the pressure of the spring (8-5) is embedded on the end face of the fixing plate (8-4) close to the spring (8-5); The right end face of the monitoring rod (8-2) in the side monitoring hole (8-1-2) is in contact with a second spring, one end of the second spring away from the monitoring rod (8-2) is tightly fixed on the bottom surface of the peripheral guard plate (8-1) through a second fixing plate, a pressure sensor capable of detecting the pressure of the second spring is embedded on the end face of the second fixing plate close to the second spring, and the wear states of the middle position and the side of the peripheral guard plate (8-1) are judged according to the pressure data of the pressure sensor, so that the remaining life of the peripheral guard plate (8-1) of the sand making machine is monitored.

2. The sand making machine with life monitoring function according to claim 1, characterized in that, The peripheral guard plate assembly (10) has the same shape structure as the peripheral guard plate (8-1), and the bottom surface of the peripheral guard plate assembly (10) is also clamped and fixed on the inner wall of the crushing cavity (4) through the connecting buckle (8-1-3).

3. The sand making machine with life monitoring function according to claim 1 or 2, characterized in that, The fixing plate (8-4) is fixed in the fixing plate mounting table (8-1-4) of the connecting buckle (8-1-3) through a bolt (8-7), and the second fixing plate is fixed on the second fixing plate mounting table arranged on the bottom surface of the peripheral guard plate (8-1) through a bolt (8-7).

4. The sand making machine with life monitoring function according to any one of claims 1-3, characterized in that, The fixed plate (8-4) is provided with a sensor mounting hole (8-4-2) for embedding a pressure sensor and a wire hole (8-4-1) for facilitating wire leading.

5. The sand making machine with life monitoring function according to any one of claims 1-4, characterized in that, The life monitoring device (8) and the peripheral guard plate assembly (10) are arranged in two layers, 4-8 life monitoring devices (8) are arranged in each layer, and 12-24 peripheral guard plate assemblies (10) are arranged.

6. The sand making machine with life monitoring function according to any one of claims 1-5, characterized in that, The monitoring rod (8-2) comprises a first mounting table (8-2-1), a second mounting table (8-2-2), a third mounting table (8-2-3), and a fourth mounting table (8-2-4) with gradually increasing diameters; the middle monitoring hole (8-1-1) and the side monitoring hole (8-1-2) are provided with a first mounting hole (8-1-6), a second mounting hole (8-1-7), a third mounting hole (8-1-8), and a fourth mounting hole (8-1-9) with gradually increasing diameters matched with the monitoring rod (8-2), and the heights of the first mounting hole (8-1-6), the second mounting hole (8-1-7), the third mounting hole (8-1-8), and the fourth mounting hole (8-1-9) are the same, and the diameters are increased at equal intervals.

7. The sand production machine with a life monitoring function according to claim 6, characterized in that, The diameters of the first mounting table (8-2-1), the second mounting table (8-2-2), the third mounting table (8-2-3), and the fourth mounting table (8-2-4) are 0.5-1mm smaller than the diameters of the first mounting hole (8-1-6), the second mounting hole (8-1-7), the third mounting hole (8-1-8), and the fourth mounting hole (8-1-9), The height of the first mounting table (8-2-1) is 2mm greater than the height of the first mounting hole (8-1-6), the heights of the second mounting table (8-2-2) and the third mounting table (8-2-3) are the same as the heights of the corresponding second mounting hole (8-1-7) and the third mounting hole (8-1-8), and the height of the fourth mounting table (8-2-4) is half of the height of the third mounting table (8-2-3).

8. The sand making machine with life monitoring function according to claim 7, characterized in that, The spring (8-5) is in a compressed state, the first mounting hole (8-1-6) is in contact with the end face of the first mounting table (8-2-1), there is a 2mm gap between the end face of the second mounting hole (8-1-7) and the second mounting table (8-2-2), the third mounting hole (8-1-8) and the third mounting table (8-2-3), and the fourth mounting hole (8-1-9) and the fourth mounting table (8-2-4), and the adjusting rod (8-6) is used for adjusting the pressure of the pressure sensor.

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