CN112595637A - Material granularity online detection device and detection method thereof - Google Patents
Material granularity online detection device and detection method thereof Download PDFInfo
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- CN112595637A CN112595637A CN202011614187.6A CN202011614187A CN112595637A CN 112595637 A CN112595637 A CN 112595637A CN 202011614187 A CN202011614187 A CN 202011614187A CN 112595637 A CN112595637 A CN 112595637A
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000007689 inspection Methods 0.000 claims abstract description 27
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- 241000406668 Loxodonta cyclotis Species 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 4
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
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Abstract
The invention relates to the field of machinery, in particular to a material granularity online detection device and a detection method thereof. Including the material elephant trunk, be provided with the opening on the lateral wall of material elephant trunk, still include pneumatic sampler, balance and microcomputer, the balance includes scale and lower balance, the setting of pneumatic sampler downward sloping is at the lateral wall opening part of material elephant trunk, be provided with the feed opening on the pneumatic sampler, the below of feed opening is provided with the scale, be provided with the balance door on the lower bottom surface of scale, the below of balance door is provided with electronic inspection sieve, be provided with the thing export on the electronic inspection sieve, be connected with the lower balance on the thing export on the sieve, pneumatic sampler, be provided with the sensor on scale and the lower balance respectively, pneumatic sampler, be connected with the microcomputer electricity through the sensor on scale and the lower balance respectively. The invention has accurate measurement and simple detection process, realizes the intelligent control of online detection and adjustment of product fineness, ensures the qualified rate of products, and fills the blank that the sieve breaking fault of the hammer crusher is not monitored in the prior art.
Description
Technical Field
The invention relates to the field of machinery, in particular to a material granularity online detection device and a detection method thereof.
Background
The granularity ground by the current ultrafine grinder is calculated by manual sampling and screening, and the result is informed to an operator, and the operator increases or decreases the rotating speed of a grading impeller according to experience so as to adjust the grinding granularity; however, the device for monitoring the screen breaking fault of the hammer crusher is rather absent; in the actual production process, in order to control the granularity of material particles, the granularity of the material needs to be detected, the traditional detection method is relatively lagged, the error is large, the detection process is complicated, and the method lacks guidance significance for the actual operation process.
Disclosure of Invention
The invention aims to solve the problems, and provides the material granularity online detection device and the detection method thereof, which have the advantages of accurate measurement, small error, simple detection process and capability of detecting the material granularity online in real time.
According to a first embodiment provided by the invention, an online material granularity detection device is provided:
an on-line material granularity detection device comprises a material slide pipe, an opening is arranged on the side wall of the material slide pipe, a pneumatic sample injector, a scale and a microcomputer are further included, the scale comprises a loading scale and a unloading scale, the pneumatic sample injector is arranged at the opening of the side wall of the material slide pipe in a downward inclined mode, a blanking port is arranged on the pneumatic sample injector, the loading scale is arranged below the blanking port, a scale door is arranged on the lower bottom surface of the loading scale, an electric inspection screen is arranged below the scale door, an oversize outlet is arranged on the electric inspection screen, the unloading scale is connected with the unloading scale, sensors are respectively arranged on the pneumatic sample injector, the loading scale and the unloading scale, the pneumatic sample injector comprises an inner cylinder, the sensors and the blanking port, a sampling port and a sample outlet are respectively arranged at two ends of the inner cylinder, an outer cylinder is sleeved on the inner cylinder, one end of the outer cylinder is connected with the opening on the side wall of the material slide pipe, the feed opening sets up on the urceolus, go out the appearance mouth through the spring coupling that sets up on the urceolus have with the back end plate of a appearance mouth looks adaptation, the inner tube is connected with the cylinder through the back end plate, the cylinder passes through the sensor to be connected with the microcomputer electricity, be provided with the front end plate that suits with the opening on the material elephant trunk lateral wall on the sample connection.
Preferably, the upper scale comprises a scale bucket and a scale door, the scale bucket is a container with an open upper part, the scale door is arranged on the lower bottom surface of the scale bucket, the scale door is connected with the scale bucket through hinges, an air cylinder is connected between the hinges, one side of the scale bucket is sequentially connected with the air cylinder, a sensor and a fulcrum through a lever, and the scale bucket is electrically connected with the microcomputer through the sensor; the automatic and accurate detection can be realized, the detection error is reduced, and the working efficiency is improved.
Preferably, the electric inspection sieve comprises a sieve body, the sieve body is connected with a motor through a crankshaft, a feed inlet is formed in the upper part of the sieve body, a sieve surface is arranged in the sieve body, an oversize outlet is formed in the side surface of the sieve body, the height of the oversize outlet is consistent with that of the sieve surface, and a fine material outlet is formed in the lower bottom surface of the sieve body; automatic screening can be realized, and work efficiency is improved.
According to a second embodiment provided by the invention, an online material granularity detection method is provided:
a method for detecting granularity of materials on line or a method for detecting granularity by using the device for detecting granularity of materials on line comprises the following steps:
1) the microcomputer is operated to send out an instruction, the microcomputer sends a signal to the air cylinder through a sensor on the pneumatic sampler, the air cylinder pushes the inner cylinder to enter the material chute for sampling, after the sampling is finished, the microcomputer controls the air cylinder on the pneumatic sampler to drive the inner cylinder to retract to the outer cylinder, and the sample is output from the sample outlet of the inner cylinder and enters the scale through the feed opening on the outer cylinder;
2) after the sample enters the weighing scale, a sensor on the weighing scale measures the weight of the sample and stores the value into a microcomputer, then a scale door is opened, and the sample sequentially enters the electric inspection screen from feed inlets on the scale door and the electric inspection screen;
3) after the sample enters the electric inspection sieve, the electric inspection sieve sieves the sample, the electric inspection sieve sieves out oversize materials in the sample, and then the oversize materials enter the lower scale through an oversize material outlet;
4) after the sample enters the lower scale, the sensor on the lower scale measures the weight of the sample and stores the value into the microcomputer, and the microcomputer calculates the proportion of oversize materials to the total weight and compares the oversize materials with the set value so as to judge whether the granularity of the materials is qualified.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the material granularity online detection device disclosed by the invention is accurate in measurement, small in error and simple in detection process, can be well applied to actual operation, is suitable for crushing equipment such as an ultrafine crusher, a hammer crusher and the like, realizes intelligent control of online detection and adjustment of product fineness, ensures the qualification rate of products, and fills the blank that the sieve breaking fault of the hammer crusher is not monitored in the prior art.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pneumatic sampler sampling according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of pneumatic sampler sampling in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a scale according to an embodiment of the present invention;
FIG. 5 is a schematic view of a motorized inspection screen according to an embodiment of the present invention;
in the figure: a material chute 1; a pneumatic sampler 2; a blanking buckle 21; an inner cylinder 22; a sampling port 221; a sample outlet 222; an outer cylinder 23; a spring 24; a rear end plate 25; a cylinder 26; a front end plate 27; weighing 3; a scale door 31; a scale bucket 32; a hinge 33; a cylinder 34; a fulcrum 35; a lever 36; a scale 4 is placed; a microcomputer 5; an electric inspection sieve 6; a screen body 61; a feed port 611; a screening surface 612; oversize outlet 613; a fines outlet 614; a crankshaft 62; a motor 63; and a sensor 7.
Detailed Description
The invention will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the invention to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the invention.
Referring to fig. 1 to 5, the technical solution of the present invention is as follows:
an on-line material granularity detection device comprises a material slide pipe 1, wherein an opening is formed in the side wall of the material slide pipe 1, the on-line material granularity detection device further comprises a pneumatic sample injector 2, a scale and a microcomputer 5, the scale comprises an upper scale 3 and a lower scale 4, the pneumatic sample injector 2 is arranged at the opening of the side wall of the material slide pipe 1 in a downward inclined mode, a discharge hole 21 is formed in the pneumatic sample injector 2, the upper scale 3 is arranged below the discharge hole 21, a scale door 31 is installed on the lower bottom surface of the upper scale 3, an electric inspection sieve 6 is arranged below the scale door 31, an oversize outlet 613 is formed in the electric inspection sieve 6, the oversize outlet 613 is connected with the lower scale 4, sensors 7 are respectively arranged on the pneumatic sample injector 2, the upper scale 3 and the lower scale 4, and the pneumatic sample injector 2, the upper scale 3 and the lower scale 4 are respectively and electrically connected with the microcomputer; the microcomputer 5 can be simultaneously connected with the ultrafine grinder and the hammer mill control system, automatically operates under the control of the microcomputer 5, performs online detection, and can automatically instruct the grading system of the ultrafine grinder to change the rotating speed and adjust the granularity; meanwhile, when a sieve breaking fault occurs on the hammer crusher, the crushed material is detected, an alarm can be given when the particle size of the material is detected to be abnormal, the hammer crusher is prompted to break the sieve, feeding is stopped, and the hammer crusher is treated by a person.
The pneumatic sampler 2 comprises an inner cylinder 22, the device comprises a sensor 7 and a feed opening 21, wherein a sampling opening 221 and a sample outlet 222 are respectively arranged at two ends of an inner cylinder 22, an outer cylinder 23 is sleeved on the inner cylinder 22, one end of the outer cylinder 23 is connected with an opening on the side wall of a material slide pipe 1, the feed opening 21 is arranged on the outer cylinder 23, the sample outlet 222 is connected with a rear end plate 25 matched with the sample outlet 222 through a spring 24 arranged on the outer cylinder 23, two ends of the spring 24 are respectively welded with the inner cylinder 22 and the rear end plate 25 through a support, the inner cylinder 22 and the outer cylinder 25 are respectively provided with a slideway for enabling the supports to slide on the cylinder walls of the inner cylinder 22 and the outer cylinder 25, the inner cylinder 22 is connected with a cylinder 26 through the rear end plate 25, the cylinder 26 is electrically connected with a microcomputer 5 through the sensor 7, the sensor 7 is arranged in a pneumatic sampler 2, and a front end plate; automatic control can be realized, and the working efficiency is improved.
The upper scale 3 comprises a scale bucket 32 and a scale door 31, the scale bucket 32 is a container with an open upper part, the scale door 31 is arranged on the lower bottom surface of the scale bucket 32, the scale door 31 is connected with the scale bucket 32 through a hinge 33, one side of the hinge 33 is fixed with the scale bucket 32, the other side of the hinge 33 is fixed with the scale door 31, a cylinder 34 is connected between the hinges 33, the cylinder 34 can control the hinge 33 on the scale door 31, so that the scale door 31 is closed, one side of the scale bucket 32 is sequentially connected with the cylinder 34, a sensor 7 and a fulcrum 35 through a lever 36, the scale bucket 32 is electrically connected with the microcomputer 5 through the sensor 7, the scale bucket 32 is connected with the fulcrum 35 through the lever 36, and the scale bucket 32 can rotate; in a non-working state, the air cylinder 34 jacks up the lever 36 to separate the lever 36 from the sensor 7, and the upper scale 3 and the lower scale 4 have the same structure; the automatic and accurate detection can be realized, the detection error is reduced, and the working efficiency is improved.
The electric inspection sieve 6 comprises a sieve body 61, the sieve body 61 is connected with a motor 63 through a crankshaft 62, the upper part of the sieve body 61 is provided with a feeding hole 611, the inside of the sieve body 61 is provided with a sieve surface 612, the side surface of the sieve body 61 is provided with an oversize outlet 613, the height of the oversize outlet 613 is consistent with that of the sieve surface 612, and the lower bottom surface of the sieve body 61 is provided with a fine material outlet 614; automatic screening can be realized, and work efficiency is improved.
A method for detecting granularity of materials on line or a method for detecting granularity by using the device for detecting granularity of materials on line comprises the following steps:
1) the microcomputer 5 is operated to send out an instruction, the microcomputer 5 sends a signal to the cylinder 26 through the sensor 7 on the pneumatic sampler 2, the cylinder 26 pushes the rear end plate 25 to move forwards along the inner wall of the outer cylinder 23, the spring 24 contracts, the rear end plate 25 contacts with the inner cylinder 22 and then moves forwards together continuously until the sampling port 221 on the inner cylinder 22 completely enters the inner part of the material chute 1, the material in the material chute 1 enters the inner cylinder 22 through the sampling port 221, the sampling can be finished, after the sampling is finished, the microcomputer 5 controls the air cylinder 26 on the pneumatic sampler 2 to drive the inner cylinder 22 to retract into the outer cylinder 23, when the front end plate 27 is completely engaged with the opening of the material chute 1, the inner cylinder 22 stops moving, then the end plate 25 is driven by the cylinder 26 to continuously move backwards against the pulling force of the spring 24, the sample outlet 222 on the inner cylinder 22 is opened from the rear end, and the sample is output from the sample outlet 222 on the inner cylinder 22 and enters the weighing scale 3 through the feed opening 21 on the outer cylinder 23;
2) after the sample enters the upper scale, the cylinder 34 rod of the upper scale 3 retracts and is separated from the lever 36, the scale bucket 32 is pressed on the sensor 7 through the lever 36, the sensor 7 measures the weight of the sample and stores the value into the microcomputer 5, then the scale door 31 is opened, and the sample sequentially enters the electric inspection sieve 6 from the scale door 31 and the feed inlet 611 on the electric inspection sieve 6;
3) after the sample enters the electric inspection sieve 6, the motor 63 is started, the sieve body 61 is driven by the crankshaft 62 to do a rotary motion to sieve the sample, the electric inspection sieve 6 sieves out oversize materials in the sample, and then the oversize materials enter the lower scale 4 through the oversize material outlet 613;
4) after the sample enters the lower scale 4, the sensor 7 on the lower scale 4 measures the weight of the sample and stores the value into the microcomputer 5, and the microcomputer 5 calculates the proportion of oversize materials to the total weight and compares the calculated proportion with a set value so as to judge whether the granularity of the materials is qualified.
The material granularity online detection device disclosed by the invention is accurate in measurement, small in error and simple in detection process, can be well applied to actual operation, is suitable for crushing equipment such as an ultrafine crusher, a hammer crusher and the like, realizes intelligent control of online detection and adjustment of product fineness, ensures the qualification rate of products, and fills the blank that the sieve breaking fault of the hammer crusher is not monitored in the prior art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a material granularity on-line measuring device, includes the material elephant trunk, is provided with opening, its characterized in that on the lateral wall of material elephant trunk: the device comprises a material chute, a pneumatic sample injector, a scale and a microcomputer, wherein the scale comprises a loading scale and a unloading scale, the pneumatic sample injector is arranged at the opening of the side wall of the material chute in a downward-inclined manner, a feed opening is formed in the pneumatic sample injector, the loading scale is arranged below the feed opening, a scale door is arranged on the lower bottom surface of the loading scale, an electric inspection screen is arranged below the scale door, an oversize outlet is formed in the electric inspection screen, a loading object is connected to the oversize outlet, the unloading scale is connected to the pneumatic sample injector, sensors are respectively arranged on the pneumatic sample injector, the loading scale and the unloading scale, the pneumatic sample injector is electrically connected to the microcomputer through the sensors, the pneumatic sample injector comprises an inner cylinder, the sensors and the feed opening, a sampling opening and a sample outlet are respectively arranged at two ends of the inner cylinder, the inner cylinder is sleeved with an outer cylinder, one end of the outer cylinder is connected to an opening in the side wall of the material chute, the feed opening is arranged on the outer cylinder, the inner cylinder is connected with an air cylinder through a rear end plate, the air cylinder is electrically connected with a microcomputer through a sensor, and a front end plate which is matched with an opening on the side wall of the material slide pipe is arranged on the sampling port.
2. The material granularity on-line detection device of claim 1, characterized in that: the scale comprises a scale bucket and a scale door, wherein the scale bucket is a container with an open upper part, the scale door is arranged on the lower bottom surface of the scale bucket, the scale door is connected with the scale bucket through hinges, an air cylinder is connected between the hinges, one side of the scale bucket is sequentially connected with the air cylinder, a sensor and a fulcrum through a lever, and the scale bucket is electrically connected with a microcomputer through the sensor.
3. The material granularity on-line detection device of claim 1, characterized in that: the electric inspection sieve comprises a sieve body, the sieve body is connected with a motor through a crankshaft, a feeding hole is formed in the upper portion of the sieve body, a sieve surface is arranged inside the sieve body, an oversize outlet is formed in the side face of the sieve body, the height of the oversize outlet is consistent with the height of the sieve surface, and a fine material outlet is formed in the lower bottom face of the sieve body.
4. An on-line material particle size detection method or a particle size detection method by using the on-line material particle size detection device of any one of claims 1 to 3, the method comprises the following steps:
1) the microcomputer is operated to send out an instruction, the microcomputer sends a signal to the air cylinder through a sensor on the pneumatic sampler, the air cylinder pushes the inner cylinder to enter the material chute for sampling, after the sampling is finished, the microcomputer controls the air cylinder on the pneumatic sampler to drive the inner cylinder to retract to the outer cylinder, and the sample is output from the sample outlet of the inner cylinder and enters the scale through the feed opening on the outer cylinder;
2) after the sample enters the weighing scale, a sensor on the weighing scale measures the weight of the sample and stores the value into a microcomputer, then a scale door is opened, and the sample sequentially enters the electric inspection screen from feed inlets on the scale door and the electric inspection screen;
3) after the sample enters the electric inspection sieve, the electric inspection sieve sieves the sample, the electric inspection sieve sieves out oversize materials in the sample, and then the oversize materials enter the lower scale through an oversize material outlet;
4) after the sample enters the lower scale, the sensor on the lower scale measures the weight of the sample and stores the value into the microcomputer, and the microcomputer calculates the proportion of oversize materials to the total weight and compares the oversize materials with the set value so as to judge whether the granularity of the materials is qualified.
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| CN202011614187.6A CN112595637B (en) | 2020-12-30 | 2020-12-30 | Material granularity online detection device and detection method thereof |
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| CN202011614187.6A CN112595637B (en) | 2020-12-30 | 2020-12-30 | Material granularity online detection device and detection method thereof |
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Cited By (1)
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|---|---|---|---|---|
| CN114112547A (en) * | 2021-11-30 | 2022-03-01 | 江苏丰尚智能科技有限公司 | On-line quality detection device |
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