CN218690371U

CN218690371U - Raymond mill monitoring and stopping device

Info

Publication number: CN218690371U
Application number: CN202222500394.XU
Authority: CN
Inventors: 刘学春; 王长涛; 王耀荣; 高永飞; 李全
Original assignee: Inner Mongolia Dazhong Mining Co ltd Pellet Branch; Dazhong Mining Co ltd Inner Mongolia
Current assignee: Inner Mongolia Dazhong Mining Co ltd Pellet Branch; Dazhong Mining Co ltd Inner Mongolia
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-03-24
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a raymond mill monitoring stop device. Raymond mill monitoring stop device includes: the device comprises a Raymond mill body, wherein a feeding hole and a monitoring shutdown mechanism are arranged on one side of the Raymond mill body; the monitoring shutdown mechanism comprises a control box and a detection assembly, and the control box and the detection assembly are both connected with the Raymond mill body through a mounting frame; the detection component comprises a feed hopper, one end of the feed hopper extends into the feed port, a fixed plate is installed on one side of the mounting rack, and the fixed plate is connected with the feed hopper in a sliding mode. The utility model provides a Raymond mill monitors stop device is through setting up at monitoring shutdown mechanism, can be through detecting the pressure variation of feeder hopper when feeding and long-pending material, after taking place long-pending material, can in time control the Raymond mill body and shut down, prevent to take place to emit the ash, reduce long-time material and gather the damage to the damage under the high load of Raymond mill body inside scraper and to the motor.

Description

Raymond mill monitoring and stopping device

Technical Field

The utility model relates to a mining machinery technical field especially relates to a Raymond mill monitoring stop device.

Background

Raymond mill, also called Raymond mill, is suitable for preparation of various mineral powders and coal powders, such as fine powder processing of raw material ores, gypsum ores, coal and other materials. Because the Raymond mill occupies a small area and has strong systematicness, an independent production system can be formed from rough processing of raw materials to conveying to powder making and final packaging, and compared with other powder grinding equipment, the sieve passing rate is up to 99 percent, and meanwhile, the Raymond mill has stable transmission, reliable operation and strong durability, so the Raymond mill is widely applied to the field of powder processing. At present, the Raymond mill that uses includes the casing, is provided with the feed inlet on the lateral wall of casing, is provided with the discharge gate on the top of casing, be provided with the main shaft in the casing, the plum blossom frame is installed to the main shaft upper end, and the fixed five grinding rollers that are provided with on the plum blossom frame, correspond the department with the grinding roller position in the casing and be provided with the grinding ring, be provided with the air intake on the casing, the air intake is located the grinding ring below, and the air intake connection has the air compressor machine, and the theory of operation of Raymond mill is as follows: when the grinding roller rotates around the main shaft, the grinding roller is pressed tightly on the grinding ring due to the action of centrifugal force, materials enter from the feeding hole and then fall between the grinding ring and the grinding roller, the materials are extruded and ground between the grinding roller and the grinding ring, the ground powder materials are screened by the screening machine, qualified powder particles are sucked out from the discharging hole through high-pressure airflow generated by equipment such as cyclone suction, and then other processes are carried out.

The feeding port end of the existing Raymond mill lacks feeding monitoring, once a large amount of accumulated materials are accumulated in the Raymond mill, an air duct is easy to be blocked, even the materials overflow from the feeding port, the ash emission phenomenon is generated, and the dissipated materials cause waste and simultaneously pollute the environment of a factory.

Therefore, it is necessary to provide a Raymond mill monitoring shutdown device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the prior art defect, the utility model provides a Raymond mill monitoring stop device can in time control the Raymond mill body and shut down, prevents to emit the ash.

In order to achieve the above object, the utility model adopts the following technical scheme:

raymond mill monitoring stop device includes: the device comprises a Raymond mill body, wherein a feed port and a monitoring shutdown mechanism arranged near the feed port are arranged on one side of the Raymond mill body; the monitoring shutdown mechanism comprises a control box and a detection assembly, the control box and the detection assembly are both connected with the Raymond mill body through a mounting frame, and a control unit is arranged in the control box and connected with the detection assembly and a driving motor of the Raymond mill body; the detection subassembly includes the feeder hopper, the one end of feeder hopper extends to in the feeder hopper, the fixed plate is installed to the lopsidedness of mounting bracket, the fixed plate with feeder hopper sliding connection, install two tracks on the fixed plate, install the sliding block in the track, the sliding block with the feeder hopper is connected, and the feeder hopper passes through the sliding block and can slide along the track slant, the below of feeder hopper is equipped with pressure sensing structure, and orbital tip is located to pressure sensing structure, and it is used for detecting the pressure variation of feeder hopper when material feeding.

Preferably, the pressure sensing structure comprises a contact plate and a pressure sensor, the contact plate is arranged on one side of the bottom of the fixed plate below the feed hopper, which is close to the feed inlet, and the pressure sensor is arranged on one side of the track and is in contact with the pressure sensor.

Preferably, the feeder hopper cover is established and is installed in the fixed tube and use a plurality of bolt fastening, the fixed tube is installed in the frame, the bottom of frame with the sliding block is connected.

Preferably, limiting plates are installed at two ends of the track, and the pressure sensor is connected with the limiting plates.

Preferably, the ejector pin is installed to the one end of sliding block, and the ejector pin runs through the limiting plate and is connected with the sliding block, the cover is established and is installed the spring on the ejector pin.

Preferably, there are two pressure sensing structures, and the two pressure sensing structures are symmetrically arranged at two ends of the track.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The utility model discloses a setting up at monitoring shutdown mechanism, can be through detecting the pressure variation of feeder hopper when feeding and long-pending material, after taking place long-pending material, can in time control the raymond mill body and shut down, prevent to emit the ash, reduce long-time material accumulation to the damage of the internal scraper of raymond mill body and to the damage under the high load of motor;

(2) The utility model can detect the moving direction of the feed hopper by arranging the pressure sensing structure comprising the contact plate and the pressure sensor;

(3) The utility model can play the role of connecting the feed hopper and the sliding block by arranging the quick-feeding and fixing pipes, and meanwhile, the feed hopper is convenient to disassemble;

(4) The utility model discloses a set up the limiting plate and can make things convenient for fixed pressure sensor when, play the spacing effect to the sliding block;

(5) The utility model can keep the initial value of the pressure sensor in a proper interval range by arranging the ejector rod and the spring;

(6) The utility model discloses a set up two pressure sensing structures of symmetry, can prevent to detect wrong report, improve the accuracy.

Drawings

Fig. 1 is a schematic structural view of a raymond mill monitoring and stopping device provided by the utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

Wherein, the names corresponding to the reference numbers are: 1-Raymond mill body, 2-feeding port, 3-control box, 4-mounting rack, 5-fixing plate, 6-track, 7-sliding block, 8-frame, 9-fixing pipe, 10-feeding hopper, 11-ejector rod, 12-spring, 13-limiting plate, 14-contact plate and 15-pressure sensor.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Example 1:

as shown in fig. 1-3, for the utility model provides a raymond mill monitoring stop device, include: the grinding machine comprises a Raymond mill body 1, wherein a feed port 2 and a monitoring shutdown mechanism arranged near the feed port 2 are arranged on one side of the Raymond mill body 1; the monitoring shutdown mechanism comprises a control box 3 and a detection assembly, the control box 3 and the detection assembly are both connected with the Raymond mill body 1 through a mounting frame 4, and a controller is arranged in the control box 3 and connected with the detection assembly and a driving motor of the Raymond mill body 1; the detection subassembly includes feeder hopper 10, the one end of feeder hopper 10 extends to in the feed inlet 2 and stretch into raymond mill body 1, fixed plate 5 is installed to the lopsidedness of mounting bracket 4, fixed plate 5 with feeder hopper 10 sliding connection, install two tracks 6 on the fixed plate 5, install sliding block 7 in the track 6, sliding block 7 with feeder hopper 10 is connected, and feeder hopper 10 can slide along track 6 slant through sliding block 7, the below of feeder hopper 10 is equipped with pressure sensing structure, and pressure sensing structure locates track 6's tip, and it is used for detecting the pressure variation of feeder hopper 10 when the material feeding, and during the use, the material after preliminary smashing is advanced the lifting machine and is sent into feeder hopper 10 in, and the material forms the impact to feeder hopper 10, increases the pressure that pressure sensing structure received and keeps in an within range, and when the material gathers the material through scraping of scraper in the interior too much back of raymond mill body 1, the material can form the lift to the bottom of feeder hopper 10, makes feeder hopper 10 upwards move to one side, and then reduce the pressure sensing structure received rapidly and control box 3, and the internal control of the machine that detects, and then can stop the outage control motor drive, and then the machine control that prevents to grind the machine.

Through setting up at monitoring shutdown mechanism, can be through detecting the pressure variation of feeder hopper 10 when feeding and long-pending material, after taking place long-pending material, can in time control raymond mill body 1 and shut down, prevent to take place to emit the ash, reduce long-time material long-pending damage to the damage of the 1 inside scraper of raymond mill body and under the high load of motor.

Example 2:

as shown in fig. 2-3, the pressure sensing structure includes a contact plate 14 and a pressure sensor 15, the contact plate 14 is installed below the feeding hopper 10 and close to the bottom of the fixed plate 5 of the feeding port 2, and the pressure sensor 15 is installed on one side of the rail 6 and contacts with the pressure sensor 15, when in use, the movement of the feeding hopper 10 drives the contact plate 14 to move away from or close to the pressure sensor 15, so as to reduce or increase the pressure applied to the pressure sensor 15, and further detect the movement direction of the feeding hopper 10.

By providing a pressure sensing structure comprising a contact plate 14 and a pressure sensor 15, the direction of movement of the feeding hopper 10 can be detected.

Example 3:

as shown in fig. 2, feeder hopper 10 cover is established and is installed in fixed pipe 9 and use a plurality of bolt fastening, fixed pipe 9 is installed in frame 8, frame 8 the bottom with sliding block 7 is connected, and during the use, feeder hopper 10 inserts in fixed pipe 9 and has adjusted and stretch into length, reuses the bolt fastening, and fixed pipe 9 and frame 8 are moved in the drive when feeder hopper 10 removes, and frame 8 removes and drives fixed plate 5, sliding block 7 and remove along track 6.

Through setting up 8 and fixed pipe 9 of adding soon, can play the effect of connecting feeder hopper 10 and sliding block 7, conveniently dismantle feeder hopper 10 simultaneously.

Example 4:

as shown in FIG. 2, limiting plate 13 is all installed at the both ends of track 6, and pressure sensor 15 is connected with limiting plate 13, and during the use, limiting plate 13 carries out the shutoff to the terminal surface of track 6 spacing, prevents that sliding block 7 roll-off track 6.

Through setting up limiting plate 13, can make things convenient for fixed pressure sensor 15 in the time, play the effect spacing to sliding block 7.

Example 5:

as shown in fig. 2-3, ejector pin 11 is installed to the one end of sliding block 7, and ejector pin 11 runs through limiting plate 13 and is connected with sliding block 7, the cover is established on ejector pin 11 and is installed spring 12, during the use, through rotating ejector pin 11 and then controlling the length of ejector pin screw in sliding block 7, and then change spring 12's length, ejector pin 11 follows slider 7 and removes, and spring 12 of different lengths is used for balancing the pressure to pressure sensor 15 under the feeder hopper 10 heavy pressure, and then makes pressure sensor 15's initial value keep in a suitable interval within range.

By providing the jack 11 and the spring 12, the initial value of the pressure sensor 15 can be maintained within a suitable range.

Example 6:

as shown in figure 2, the pressure sensing structures are two, and the two pressure sensing structures are symmetrically arranged at two ends of the track 6, so that when the pressure sensing structure is used, the two pressure sensing structures detect the movement change of the feed hopper 10 through the two pressure sensors 15, and the detection result is more accurate through comparison.

By arranging two symmetrical pressure sensing structures, the detection error report and the false report can be prevented, and the accuracy is improved.

When the automatic protective device is used, a feed hopper 10 is inserted into a fixed pipe 9 and the extending length of the feed hopper is adjusted, the feed hopper is fixed by bolts, a primarily crushed material enters a lifting machine and is fed into the feed hopper 10, the material impacts the feed hopper 10, the feed hopper 10 starts to move obliquely downwards under the impact of the material, the fixed pipe 9 and a frame 8 are driven to move when the feed hopper 10 moves, the frame 8 moves to drive a fixed plate 5 and a sliding block 7 to move along a rail 6, the sliding block 7 moves to drive a mandril 11 to move and compress or stretch a spring 12, and finally the feed hopper 10 is kept stable under the action of the spring 12, the fixed plate 5 moves to drive a contact plate 14, the contact plate 14 moves close to or away from a pressure sensor 15, so that the pressure applied to the pressure sensor 15 is changed, when the material is accumulated too much in the Raymond mill body 1 and scrapes the material by a scraper, the material can lift the bottom end of the feed hopper 10, the feed hopper 10 moves obliquely upwards, so that the pressure applied to the pressure sensor 15 on the lower pressure sensor 15 is quickly reduced, the pressure sensor 15 is quickly, the pressure sensing structure is connected with a controller in the control box 3, the controller receives data of the pressure sensor, and the manual control of the sieving machine to stop the sudden power-off of the sieving machine, and control of the sudden power-off of the automatic grinding machine, and the sudden power-off of the manual grinder.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. A Raymond mill monitoring and shutdown device, comprising:

the device comprises a Raymond mill body, wherein a feeding hole and a monitoring shutdown mechanism are arranged on one side of the Raymond mill body;

the monitoring shutdown mechanism comprises a control box and a detection assembly, and the control box and the detection assembly are both connected with the Raymond mill body through a mounting frame;

the detection component comprises a feed hopper, one end of the feed hopper extends into the feed port, a fixed plate is installed on one side of the mounting rack, the fixed plate is connected with the feed hopper in a sliding mode, two rails are installed on the fixed plate, sliding blocks are installed in the rails, the sliding blocks are connected with the feed hopper, and a pressure sensing structure is arranged below the feed hopper.

2. The raymond mill monitoring shutdown device of claim 1, wherein the pressure sensing structure includes a contact plate and a pressure sensor.

3. The Raymond mill monitoring and stopping device as claimed in claim 1, wherein the feed hopper sleeve is mounted within a fixed tube mounted within a frame connected to the slide block.

4. The Raymond mill monitoring and stopping device of claim 1, wherein limiting plates are mounted at both ends of the rail.

5. The Raymond mill monitoring and stopping device as claimed in claim 1, wherein a push rod is mounted at one end of the sliding block, and a spring is mounted on the push rod.

6. The raymond mill monitoring and shutdown device of claim 1, wherein there are two of the pressure sensing structures.