CN213779799U

CN213779799U - Material granularity on-line measuring device

Info

Publication number: CN213779799U
Application number: CN202023267558.6U
Authority: CN
Inventors: 侯世春; 孟阳
Original assignee: Tangshan Shuangyang Feed Machinery Co Ltd
Current assignee: Tangshan Shuangyang Feed Machinery Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-23
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the field of machinary, specifically a material granularity on-line measuring device. 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 utility model discloses measure accurately, the testing process is simple, realizes the on-line measuring of product fineness and the intelligent control of regulation, guarantees the qualification rate of product, fills the blank that does not have broken sieve trouble of hammer mill to monitor among the prior art.

Description

Material granularity on-line measuring device

Technical Field

The utility model relates to the field of machinary, specifically a material granularity on-line measuring device.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem to a material granularity on-line measuring device is provided, it measures accurately, and the error is little, and the testing process is simple, material granularity that can real-time on-line measuring.

The utility model provides a material granularity on-line measuring device, including the material elephant trunk, be provided with the opening on the lateral wall of material elephant trunk, still include pneumatic sample thief, balance and microcomputer, the balance includes scale and lower balance, the setting of pneumatic sample thief downward sloping is at the lateral wall opening part of material elephant trunk, be provided with the feed opening on the pneumatic sample thief, 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 oversize export on the electronic inspection sieve, be connected with the lower balance on the oversize export, pneumatic sample thief, be provided with the sensor on scale and the lower balance respectively, pneumatic sample thief, be connected with the microcomputer electricity through the sensor on scale and the lower balance respectively.

Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:

the utility model discloses a material granularity on-line measuring device measures accurately, and the error is little, and the testing process is simple, can be applied to in the actual operation well, is applicable to crushing apparatus such as superfine rubbing crusher and hammer mill, has realized the on-line measuring of product fineness and the intelligent control who adjusts, guarantees the qualification rate of product, has filled the blank that does not monitor the broken sieve trouble of hammer mill among the prior art.

Preferably, the present invention further provides:

the pneumatic sample taking device comprises an inner barrel, a sensor and a feed opening, wherein a sampling opening and a sample outlet are respectively arranged at two ends of the inner barrel, an outer barrel is sleeved on the inner barrel, one end of the outer barrel is connected with an opening on the side wall of a material slide pipe, the feed opening is arranged on the outer barrel, the sample outlet is connected with a rear end plate matched with the sample outlet through a spring arranged on the outer barrel, the inner barrel is connected with a cylinder through the rear end plate, the cylinder is electrically connected with a microcomputer through the sensor, and a front end plate matched with the opening on the side wall of the material slide pipe is arranged on the sampling opening; automatic control can be realized, and the working efficiency is improved.

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 a microcomputer through the sensor; the automatic and accurate detection can be realized, the detection error is reduced, and the working efficiency is improved.

The electric inspection sieve comprises a sieve body, wherein the sieve body is connected with a motor through a crankshaft, a feeding hole is formed in the upper part of the sieve body, a sieve surface is arranged in the sieve body, an oversize product outlet is formed in the side surface of the sieve body, the height of the oversize product 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.

Drawings

Fig. 1 is a flow chart of an embodiment of the present invention;

fig. 2 is a schematic diagram of a pneumatic sampler according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the pneumatic sampler for sample ejection according to the embodiment of the present invention;

FIG. 4 is a schematic view of a weighing scale according to an embodiment of the present invention;

FIG. 5 is a schematic view of an electric inspection sieve 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 following description of the embodiments will help the public to understand the present invention, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any changes in the definition of the components or technical features and/or in the form of the overall structure rather than substantial changes should be considered as the protection scope defined by the technical solution of the present 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 5 through the sensors 7; 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 27 matched with the opening on the side wall of the material slide pipe 1 is arranged on the sampling opening 221; 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 along the fulcrum 35; 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 above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.

Claims

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 automatic material sampling device is characterized by further comprising a pneumatic sample injector, scales and a microcomputer, wherein the scales comprise 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 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 sieve is arranged below the scale door, an oversize outlet is formed in the electric inspection sieve, the unloading scale is connected with the unloading scale, the pneumatic sample injector, the loading scale and the unloading scale are respectively provided with a sensor, and the pneumatic sample injector, the loading scale and the unloading scale are respectively electrically connected with the microcomputer through the sensors.

2. The material granularity on-line detection device of claim 1, characterized in that: pneumatic sampler includes the inner tube, sensor and feed opening, be provided with sample connection and appearance mouth on the both ends of inner tube respectively, the cover is equipped with the urceolus on the inner tube, the one end of urceolus is connected with the opening on the material elephant trunk lateral wall, the feed opening sets up on the urceolus, the appearance mouth has the back end plate with appearance mouth looks adaptation through the spring coupling who sets up on the urceolus, the inner tube is connected with the cylinder through the back end plate, the cylinder passes through the sensor and is 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.

3. 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.

4. 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.