CN114013906B

CN114013906B - Material particle detector

Info

Publication number: CN114013906B
Application number: CN202111276865.7A
Authority: CN
Inventors: 尹航; 范天铭; 刘斌; 俞仁斌
Original assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Current assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2024-03-22
Anticipated expiration: 2041-10-29
Also published as: CN114013906A

Abstract

The invention relates to a material particle detector, comprising: a material pipe, wherein one end of the material pipe is opened to form a material particle feeding port; the conveying device comprises a joint pipe and a driving unit, the joint pipe is arranged on the joint pipe and provided with a joint hole used for communicating the material pipe, the joint hole is positioned below the feeding hole, and the driving unit is used for discharging material particles in the joint pipe; the separating device comprises a separating shell and a separating unit, the separating shell is communicated with the connecting pipe, and the separating unit is used for separating material particles entering the separating shell; the detection device comprises a detection shell and a detection unit, wherein the detection shell is arranged outside the material pipe and is communicated with the separation shell, and the detection unit is used for detecting the granularity of material particles in the detection shell; the separation shell can enable the material particles to have a larger distance, so that detection accuracy is guaranteed, the detection device is suitable for crushing particles of grains, timely and efficiently monitors the quality of feed raw materials on line in real time, and the quality of feed products is controllable.

Description

Material particle detector

Technical Field

The invention relates to the technical field of granularity detection, in particular to a material particle detector.

Background

With the rapid growth of population and the increase of demand of people for meat and egg foods, the feed is widely used as food for animals raised in agriculture or animal husbandry, and the existing feed is mainly prepared by processing more than ten raw materials of corn, wheat, sorghum, soybean, rapeseed meal, distillers grains, cotton meal, peanut meal, sunflower seed meal, rice bran, wheat bran, soybean meal and the like.

Compared with other industries, the feed processing industry has the problems of lower digital, informationized and intelligent degree, low comprehensive efficiency (OEE) after quality control of feed products, lag in fine processing technology and the like. One of the main causes of these problems is: the detection means of the raw material crushing particles are relatively backward, and no timely and efficient means for monitoring the quality of the raw material of the feed on line in real time exists on the market, whether the powder is qualified or not is judged mainly through the most original methods such as manual pinching, eye watching and the like, and then the crushing production process parameters are adjusted, so that quality monitoring is too dependent on experience of workers, the quality of the feed product is uncontrollable, and a crushing production system cannot run stably and efficiently for a long time.

Therefore, it is important to provide a material particle detector for online monitoring of grain size of crushed grains.

Disclosure of Invention

Based on this, it is necessary to provide a material particle detector that can realize on-line monitoring of the grain size of the crushed grains against the above-mentioned problems.

The invention provides a material particle detector, comprising:

the feeding hole is formed in the opening of one end of the material pipe;

the conveying device comprises a receiving pipe and a driving unit, the receiving pipe is arranged on the material pipe, a receiving port for communicating the material pipe is arranged on the receiving pipe, the receiving port is positioned below the feeding port, and the driving unit is used for discharging material particles in the receiving pipe;

the separation device comprises a separation shell and a separation unit, the separation shell is communicated with the connecting pipe, and the separation unit is used for separating material particles entering the separation shell;

the detection device comprises a detection shell and a detection unit, wherein the detection shell and the detection unit are arranged outside the material pipe, the detection shell is communicated with the separation shell, and the detection unit is used for detecting the granularity of material particles in the detection shell.

In the material particle detector, external materials enter the material pipe through the material inlet, the material particles are conveyed to the bearing port through the material pipe, the material particles enter the bearing pipe through the bearing port under the action of gravity and are discharged from the bearing pipe through the driving unit to enter the separation shell, the material particles are separated in the separation shell, gaps between adjacent material particles are increased, the materials enter the detection shell in a separation state under the action of gravity, and the detection unit detects the particle size of the material particles in the separation state so as to detect the quality of the materials on line; the separation shell can enable the material particles to have larger distance, so that accuracy of a visual recognition algorithm of the detection unit is guaranteed, the detection unit is suitable for grain crushing particles with irregular shapes, high grease content and high moisture content, and is particularly suitable for more than ten materials such as corn, wheat, sorghum, soybean, rapeseed meal, distillers grains, cotton seed meal, peanut meal, sunflower seed meal, rice bran, wheat bran and soybean meal which are commonly used in feed production, the application range is wide, the quality of feed raw materials can be timely and efficiently monitored on line in real time, the condition that quality monitoring is too dependent on experience of workers is avoided, the quality of feed products is controllable, and further the feed production system cannot run for a long time, stably and efficiently.

In one embodiment, the driving unit comprises a driving member, a supporting seat and a conveying member, wherein:

the supporting seat comprises a connecting plate and a first through hole, the connecting plate protrudes out of a boss, the first through hole is opened on the surface of the boss, which is far away from the connecting plate, and penetrates through the connecting plate, a second through hole is formed in the pipe wall of the material pipe, and the connecting plate is fixed on the inner wall of the material pipe and covers the second through hole;

the bearing pipe is arranged in the material pipe, inserted into the first through hole and fixed with the boss;

the driving piece passes through the second through hole and is mounted on the connecting plate;

the conveying member is positioned in the bearing tube and is in transmission connection with the extending shaft of the driving member.

In one embodiment, the driving unit further comprises a coupling, wherein the coupling is arranged in the first through hole, one end of the coupling is fixedly connected with the extending shaft of the driving piece, and the other end of the coupling is connected with the conveying piece.

In one embodiment, the conveying member is a conveying auger or a rectangular spring.

In one embodiment, the separation housing comprises a separation seat, the separation seat is a cavity structure with two open ends, and comprises a fixed cavity and a separation cavity which are communicated, wherein the projection of the fixed cavity in the separation cavity falls into the outline of the separation cavity, and the projection of the fixed cavity in the separation cavity is as follows:

the pipe wall of the material pipe is provided with a third through hole, one end of the separation seat, which is close to the fixed cavity, is connected with the outer wall of the material pipe in a sealing way, and covers the third through hole, and one end of the separation seat, which is close to the separation cavity, is connected with the detection device;

the adapter tube is inserted into the fixed cavity through the third through hole and extends to the separation cavity;

the separation unit is mounted on the separation chamber.

In one embodiment, the separation unit comprises a first blowing head, one end of the first blowing head is externally connected with a gas source, and the other end of the first blowing head is arranged on the side wall of the separation cavity.

In one embodiment, a plurality of separation holes are formed in the side wall of the separation cavity, the separation unit further comprises a blowing ring, and the blowing ring is provided with a mounting hole and an annular blowing groove, wherein:

the blowing ring is sleeved on the outer wall of the separation cavity and is connected with the separation seat in a sealing way;

the first blowing head is arranged in the mounting hole, the mounting hole is communicated with the blowing groove, and the blowing groove is communicated with the separation hole.

In one embodiment, the plurality of separation holes are located on the same circumference, the radial direction of the circumference where the plurality of separation holes are located and the axis of the separation holes form a set included angle to be distributed spirally, and the inner cavity of the separation hole is gradually reduced from outside to inside.

In one embodiment, the separation housing further comprises a control seat, the control seat being a cavity structure with two open ends, having a large end and a small end, wherein:

the inner space of the control seat gradually decreases from the large end to the small end;

the large end is arranged at one end of the separation seat close to the separation cavity and is sealed with the separation seat;

the small end is arranged on the detection device and is sealed with the detection device.

In one embodiment, the material particle detector further comprises a material guiding device, the material guiding device comprises a material guiding pipe and a second blowing head, wherein:

the material guide pipe is of a tubular structure with two open ends and is provided with a first end and a second end, a material guide opening is formed in the pipe wall, close to the first end, of the material guide pipe, the small end is connected with the material guide pipe in a sealing mode, and the small end is covered on the material guide opening;

the second blowing head is arranged at the first end, the first end is positioned at one side of the second end, which is close to the feed inlet, and the second end is communicated with the detection device.

In one embodiment, the detection unit comprises a camera, two detection panels, a light source generator, wherein:

the detection shell is arranged on the outer wall of the material pipe through a supporting plate, and a detection cavity is formed inside the detection shell;

the two detection panels are arranged on two opposite side walls of the detection cavity;

the camera is arranged on the supporting plate through a first bracket, and the shooting end of the camera faces any one of the detection panels and faces the detection cavity;

the light source generator is arranged on the supporting plate through a second bracket and is positioned on one side of the other detection panel far away from the camera.

In one embodiment, the material particle detector further comprises a feed back device comprising a feed back shell, a feed back pipe, and a third blowing head, wherein:

the feed back shell is arranged on the material pipe and is positioned at one side of the detection shell away from the feed inlet, a feed back cavity is formed in the feed back shell, and the feed back cavity is communicated with the detection shell and the feed back pipe;

one end of the feed back pipe is communicated with the feed pipe, and the other end of the feed back pipe is provided with the third blowing head.

Drawings

FIG. 1 is a schematic diagram of a material particle detector according to the present invention;

FIG. 2 is a cross-sectional view of a material particle detector provided by the invention;

FIG. 3 is a cross-sectional view of a support base in a material particle detector provided by the invention;

FIG. 4 is an enlarged schematic view of the material particle detector of FIG. 1 in position A;

FIG. 5 is a schematic view of a blowing ring in a material particle detector according to the present invention;

fig. 6 is a cross-sectional view of a module formed by the separation chamber and the blowing ring of the material particle detector of fig. 1 at the location of the separation hole.

Reference numerals:

10. a material particle detector;

100. a material pipe; 110. a feed inlet;

200. a conveying device; 210. a socket pipe; 211. a socket; 220. a driving unit; 221. a driving member; 222. a support base; 2221. a connecting plate; 2222. a first through hole; 223. a conveying member; 224. a coupling;

300. a separation device; 310. separating the shell; 311. a separation seat; 3111. a fixed cavity; 3112. a separation chamber; 3113. a separation hole; 312. a control base; 3121. a large end; 3122. a small end; 320. a separation unit; 321. a first blowing head; 322. a blowing ring; 3221. a mounting hole; 3222. a blowing groove;

400. a detection device; 410. a detection shell; 411. a detection chamber; 420. a detection unit; 421. a camera; 422. a detection panel; 423. a light source generator; 430. a support plate; 440. a first bracket; 450. a second bracket;

500. a material guiding device; 510. a material guiding pipe; 511. a first end; 512. a second end; 513. a material guiding port; 520. a second blowing head;

600. a material returning device; 610. a feed back shell; 611. a feed back cavity; 620. a feed back pipe; 630. and a third blowing head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The following describes the technical scheme provided by the embodiment of the invention with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention provides a material particle detector 10, where the material particle detector 10 is used for on-line monitoring of grain size of crushed grains, and can be used together with grain production equipment such as a crusher, a bulking machine, etc. to be detected, so as to be connected into a feed production system. The material particle detector 10 includes a material tube 100, a conveying device 200, a separating device 300, and a detecting device 400, wherein:

one end of the material pipe 100 is provided with an opening, the opening forms a material particle feeding hole 110, and the feeding hole 110 is connected with a particle production device discharge hole of a crusher, a bulking machine and the like.

The conveying device 200 includes a receiving tube 210 and a driving unit 220, the receiving tube 210 and the driving unit 220 are respectively mounted on the material pipe 100, the receiving tube 210 is provided with a receiving port 211, the receiving port 211 is located below the material inlet 110, the receiving port 211 is communicated with the material pipe 100, so that material particles enter the receiving port 211 from the material inlet 110 under the action of gravity, and the driving unit 220 is used for discharging the material particles in the receiving tube 210.

The separating apparatus 300 includes a separating housing 310 and a separating unit 320, the separating housing 310 and the separating unit 320 are respectively mounted outside the pipe 100, the separating housing 310 is in communication with the receiving pipe 210, the separating unit 320 is used for separating material particles entering the separating housing 310, when the separating apparatus is specifically set, the driving unit 220 and the separating housing 310 are respectively located at two sides of the receiving pipe 210, and the driving unit 220 conveys the material particles from one side of the receiving pipe 210 to the other side of the receiving pipe 210 to enter the separating housing 310.

The detecting device 400 includes a detecting shell 410 and a detecting unit 420, the detecting shell 410 and the detecting unit 420 are respectively installed outside the material pipe 100, the detecting shell 410 is communicated with one end of the separating shell 310 far away from the feeding hole 110, so that the material particles enter the detecting shell 410 from the separating shell 310 under the action of gravity, and the detecting unit 420 is used for detecting the particle size of the material particles in the detecting shell 410.

In the above-mentioned material particle detector 10, the external material enters the material pipe 100 through the material inlet 110, the material particles are conveyed to the socket 211 through the material pipe 100, the material particles enter the socket 210 through the socket 211 under the action of gravity, and exit the socket 210 through the driving unit 220 into the separation shell 310, the material particles are separated in the separation shell 310, the gap between adjacent material particles increases, and the material enters the detection shell 410 in a separated state under the action of gravity, the detection unit 420 detects the particle size of the material particles in the separated state, so as to detect the quality of the material on line; the separation shell 310 can enable the material particles to have larger distance, so that the accuracy of a visual recognition algorithm of the detection unit 420 is ensured, the method is suitable for grain crushing particles with irregular shapes, high grease content and high moisture content, and is particularly suitable for more than ten materials such as corn, wheat, sorghum, soybean, rapeseed meal, distillers grains, cotton seed meal, peanut meal, sunflower seed meal, rice bran, wheat bran, soybean meal and the like commonly used in feed production, the application range is wider, the quality of feed raw materials can be timely and efficiently monitored on line in real time, the condition that the quality monitoring is too dependent on the experience of workers is avoided, the quality of feed products is controllable, and further the feed production system cannot be operated stably and efficiently for a long time.

The driving unit 220 has various structural forms, as shown in fig. 2 and 3, and in a preferred embodiment, the driving unit 220 includes a driving member 221, a supporting seat 222, and a conveying member 223, wherein:

the support base 222 includes a connecting plate 2221 and a first through hole 2222, the connecting plate 2221 protrudes with a boss, the first through hole 2222 is opened on a surface of the boss far away from the connecting plate 2221, the first through hole 2222 penetrates through the connecting plate 2221, a second through hole is opened on a pipe wall of the pipe 100, the connecting plate 2221 is fixed on an inner wall of the pipe 100, and the connecting plate 2221 is covered on the second through hole; when the structure is specifically arranged, the connecting plate 2221 and the boss are of an integrated structure, the structure is prepared through injection molding, casting and other processes, the connecting plate 2221 and the boss can also be of a split structure, and the connecting plate 2221 and the boss can be connected into a whole through welding, cementing and other processes; the connecting plate 2221 and the material pipe 100 are fixed into a whole through screws and nuts, and the connecting plate 2221 and the material pipe 100 can be fixed into a whole through welding, cementing and other processes; the first through-hole 2222 may be a stepped hole, and a large hole end of the first through-hole 2222 is close to the feed pipe 100, and a small hole end of the first through-hole 2222 is distant from the feed pipe 100.

The socket 210 is disposed in the pipe 100, and the socket 210 is inserted into the first through hole 2222, the socket 210 being fixed to the boss; in a specific arrangement, the adaptor tube 210 is inserted into the small hole end of the first through hole 2222, and the adaptor tube 210 is fixedly connected with the boss by means of screws, bolts, etc., although the fixed connection manner between the adaptor tube 210 and the boss is not limited thereto; the socket 210 is a tubular structure with two open ends, the socket 211 is open on the sidewall of the socket 210 facing the inlet 110, and the socket 211 penetrates the sidewall of the socket 210, and the socket 211 is located right below the inlet 110, so that the material enters the inlet 110, and in order to shorten the movement stroke of the conveying member 223, the socket 211 is close to the separating device 300.

The driving piece 221 passes through the second through hole, and the driving piece 221 is mounted to the connection plate 2221; when specifically arranged, the driving member 221 may be a servo motor, a cylinder, or other structural member; the driving member 221 is located at the outer side of the material pipe 100, and the driving member 221 is fixedly connected to the connection plate 2221 by means of screws, bolts, etc., although the fixing connection manner between the driving member 221 and the connection plate 2221 is not limited thereto.

The transport member 223 is located within the adapter tube 210, and the transport member 223 is in driving connection with the extension shaft of the drive member 221; in a specific arrangement, the projecting shaft of the transport member 223 and the drive member 221 are located within the large bore end of the first through bore 2222 and are in driving connection therewith.

In the above-mentioned material particle detector 10, the material particles enter the faucet 210 through the faucet 211 under the action of gravity, the driving member 221 moves, the extending shaft of the driving member 221 drives the conveying member 223 to move, and the conveying member 223 drives the material particles in the faucet 210 to exit the faucet 210 into the separating shell 310, so that the material particles can be easily and conveniently discharged from the faucet 210 by defining the driving unit 220 to include the driving member 221, the supporting seat 222 and the conveying member 223. In a specific arrangement, the driving unit 220 is not limited to the driving member 221, the supporting seat 222 and the conveying member 223, but may be other structures, for example, the driving unit 220 may be a pneumatic blowing mechanism installed at one end of the receiving tube 210, and the material in the receiving tube 210 may be blown to the separation housing 310 by compressed air, or the material may be carried to the separation housing 310 by a movable device such as a mini-conveyor belt.

The transmission connection manner between the transmission member 223 and the extension shaft of the driving member 221 is various, as shown in fig. 2, specifically, the driving unit 220 further includes a coupling 224, the coupling 224 is disposed in the first through hole 2222, and one end of the coupling 224 is fixedly connected with the extension shaft of the driving member 221, and the other end of the coupling 224 is connected with the transmission member 223; in a specific arrangement, one end of the coupling 224 and the protruding shaft of the driving member 221 may be fixedly connected by a screw, and the other end of the coupling 224 is welded to the conveying member 223, however, the connection manner between the protruding shaft of the driving member 221 and the conveying member 223 of the coupling 224 is not limited thereto, and may be other manners capable of meeting the requirements, such as a snap connection, a concave-convex fit, and the like; in the above-mentioned material particle detector 10, the driving member 221 acts, the shaft extending from the driving member 221 drives the coupling 224 to move, and the coupling 224 drives the conveying member 223 to move along with it, so as to conveniently realize the transmission connection between the conveying member 223 and the shaft extending from the driving member 221.

The conveying member 223 may have various structural forms, more specifically, the conveying member 223 may be a conveying auger or a rectangular spring, and of course, the structural form of the conveying member 223 is not limited thereto, and may be other structural members capable of realizing a conveying function; when the device is specifically arranged, the conveying piece 223 is a rectangular spring, one end of the rectangular spring is welded with the coupler 224, the coupler 224 can adopt a sleeve with an opening at one end, one end of the sleeve with the opening is fixedly connected on the extending shaft of the driving piece 221, and the other end of the sleeve is connected with the rectangular spring; in the above-mentioned material particle detector 10, the driving member 221 acts, the protruding shaft of the driving member 221 drives the coupling 224 to move, the coupling 224 drives the rectangular spring to move, and the rectangular spring pushes the material particles in the receiving tube 210 to move, so as to discharge the material particles out of the receiving tube 210.

The separation housing 310 has various structural forms, and as shown in fig. 1 and 4, the separation housing 310 includes a separation seat 311, the separation seat 311 is a cavity structure with two open ends, the separation seat 311 includes a fixing cavity 3111 and a separation cavity 3112, the fixing cavity 3111 is communicated with the separation cavity 3112, and a projection of the fixing cavity 3111 in the separation cavity 3112 falls into a contour of the separation cavity 3112, wherein:

a third through hole is formed in the pipe wall of the material pipe 100, one end, close to the fixed cavity 3111, of the separation seat 311 is connected to the outer wall of the material pipe 100 in a sealing mode, the separation seat 311 is covered on the third through hole, and one end, close to the separation cavity 3112, of the separation seat 311 is connected with the detection device 400; in a specific arrangement, the separating seat 311 and the material pipe 100 are fixedly connected through structural members such as screws, bolts, etc., and of course, the fixed connection mode between the separating seat 311 and the material pipe 100 is not limited thereto, and the sealing ring is arranged on the third through hole, so that the separating seat 311 and the material pipe 100 are sealed when the separating seat 311 and the material pipe 100 are fixedly connected.

The adaptor tube 100 is inserted into the fixed chamber 3111 through the third through-hole, and the adaptor tube 100 extends to the separation chamber 3112 so that the material particles can fall into the separation chamber 3112.

The separation unit 320 is mounted on the separation chamber 3112; when specifically provided, the separation unit 320 may be mounted on the inner wall of the separation chamber 3112, and the separation unit 320 may be inserted into the separation chamber 3112 through the side wall of the separation chamber 3112.

In the above-described material particle detector 10, the material is discharged from the adaptor 210 through the driving unit 220 into the separation housing 310, and the material particles are separated in the separation housing 310 by the action of the separation unit 320, so that the gap between adjacent material particles is increased. The projection of the fixed cavity 3111 onto the separation cavity 3112 falls within the contour of the separation cavity 3112 by defining a fixed cavity 3111 to facilitate the falling of material from the nipple 210 into the separation cavity 3112. When specifically arranged, the fixing cavity 3111 and the separating cavity 3112 may be integrally formed, and prepared by blow molding or casting, the fixing cavity 3111 and the separating cavity 3112 may be integrally formed, and integrally formed by threaded connection, snap connection, concave-convex fit and other processes, and a sealing ring is disposed between the fixing cavity 3111 and the separating cavity 3112, so as to realize sealing connection between the fixing cavity 3111 and the separating cavity 3112.

The separation unit 320 has various structural forms, specifically, as shown in fig. 4, the separation unit 320 includes a first blowing head 321, one end of the first blowing head 321 is externally connected with an air source, and the other end of the first blowing head 321 is mounted on a side wall of the separation cavity 3112; in the above-mentioned material particle detector 10, the material particles enter the separation housing 310, the gas of the gas source enters the first blowing head 321, the first blowing head 321 starts to jet, the gas flow enters the separation chamber 3112 through the separation hole 3113, and the gas flow blows off the material, so that the material particles can be separated more conveniently and rapidly.

In order to facilitate the installation of the separation unit 320, more specifically, as shown in fig. 4 and 5, a plurality of separation holes 3113 are formed on the sidewall of the separation chamber 3112, the separation unit 320 further includes a blowing ring 322, and the blowing ring 322 is provided with mounting holes 3221 and annular blowing grooves 3222, and when specifically arranged, the number of the separation holes 3113 may be two, three, four or more, and the plurality of separation holes 3113 are uniformly distributed on the sidewall of the separation chamber 3112 to ensure that the materials are uniformly dispersed. Wherein:

the blowing ring 322 is sleeved on the outer wall of the separation cavity 3112, and the blowing ring 322 is in sealing connection with the separation seat 311; when the device is specifically arranged, the blowing ring 322 and the separating seat 311 are integrally connected through processes such as threaded connection, buckle connection, concave-convex fit and the like, and a sealing ring is arranged between the blowing ring 322 and the separating seat 311 so as to realize the sealing connection between the blowing ring 322 and the separating seat 311.

The first blowing head 321 is disposed in the mounting hole 3221, the mounting hole 3221 is communicated with the blowing groove 3222, and the blowing groove 3222 is communicated with the separating hole 3113, so that the mounting hole 3221, the blowing groove 3222 and the separating hole 3113 are communicated, and gas is blown out from the first blowing head 312 and then enters the separating cavity 3112 through the mounting hole 3221, the blowing groove 3222 and the separating hole 3113.

In the material particle detector 10, the blowing ring 322 is sleeved on the outer wall of the separation chamber 3112, and the first blowing head 321 is mounted on the mounting hole 3221, so that the separation unit 320 can be mounted relatively conveniently. And the blowing ring 322 is in sealing connection with the separating seat 311, the first blowing head 321 is blown, and the air flow can only enter the separating cavity 3112 through the mounting hole 3221, the blowing groove 3222 and the separating hole 3113, so as to ensure the separating effect, and the material particles entering the separating cavity 3112 can be scattered through the multidirectional separating hole 3113, and the scattering uniformity is good.

In order to improve the scattering effect, specifically, as shown in fig. 6, a plurality of separation holes 3113 are located on the same circumference, the radial direction of the circumference where the plurality of separation holes 3113 are located and the axis of the separation holes 3113 form a set included angle to be spirally distributed, the inner cavity of the separation holes 3113 is gradually reduced from outside to inside, and the plurality of separation holes 3113 are spirally distributed, so that gas sprayed out of the separation holes 3113 is adhered to the inner wall of the separation cavity 3112 and gradually forms a spiral airflow, the material can be driven to advance, the separation holes 3113 are provided with gradually reduced blowing ends, and the introduced airflow can be gradually gathered into a bundle, so that the scattering capability is stronger.

Specifically, as shown in fig. 1 and 4, the separation housing 310 further includes a control seat 312, where the control seat 312 is a cavity structure with two open ends, and has a large end 3121 and a small end 3122, and the following steps are performed:

the inner space of the control seat 312 gradually decreases from the large end 3121 toward the small end 3122.

The large end 3121 is installed at one end of the separation seat 311 near the separation chamber 3112, and the large end 3121 is sealed with the separation seat 311; in a specific arrangement, the large end 3121 and the separation chamber 3112 are integrally connected through processes such as threaded connection, snap connection, concave-convex fit, and the like, and a sealing ring is arranged between the large end 3121 and the separation chamber 3112, so as to realize sealing connection of the large end 3121 and the separation chamber 3112.

The small end 3122 is mounted to the detection device 400, and the small end 3122 is sealed with the detection device 400; in a specific setting, the small end 3122 and the detection device 400 are integrally connected through processes such as threaded connection, snap connection, concave-convex fit and the like, and a sealing ring is arranged between the small end 3122 and the detection device 400, so as to realize the sealing connection of the small end 3122 and the detection device 400.

In the above-mentioned material particle detector 10, by limiting the direction from the large end 3121 to the small end 3122, the internal space of the control seat 312 gradually decreases to control the particles entering the detection shell 410 to be in a dispersed and less state, so as to be more convenient for the detection unit 420 to capture the particles, so as to adapt to the situation that the detection unit 420 such as the industrial camera 421 on the market can capture the object only under the condition of relatively less material to perform the particle size analysis, and it is assumed that the material accumulation or the discharge amount is large, and the captured material information is difficult to perform the next particle size analysis.

In order to make the material particles fall into the detection shell 410 in a relatively orderly manner, as shown in fig. 1 and 2, more specifically, the material particle detector 10 further includes a material guiding device 500, where the material guiding device 500 includes a material guiding tube 510 and a second blowing head 520, and the material guiding device includes:

the material guiding pipe 510 is a tubular structure with two open ends, the material guiding pipe 510 is provided with a first end 511 and a second end 512, a material guiding opening 513 is formed in the pipe wall of the material guiding pipe 510 close to the first end 511, a small end 3122 is connected with the material guiding pipe 510 in a sealing way, and the small end 3122 is covered on the material guiding opening 513; in a specific setting, the small end 3122 and the material guiding pipe 510 are integrally connected through processes such as threaded connection, snap connection, concave-convex fit and the like, and a sealing ring is arranged between the small end 3122 and the material guiding pipe 510, so as to realize the sealing connection of the small end 3122 and the material guiding pipe 510.

The second blowing head 520 is mounted at the first end 511, the first end 511 is located at a side of the second end 512 near the feeding hole 110, and the second end 512 is in communication with the detecting device 400.

In the above-mentioned material particle detector 10, the material particles enter the material guiding tube 510 through the small end 3122 of the control seat 312 via the material guiding opening 513, and the air blown out by the second blowing head 520 is further dispersed, so that the material particles are further dispersed from the first end 511 to the second end 512, and thus the material particles can fall into the detection shell 410 in a relatively orderly manner.

The detection unit 420 has various structural forms, and in a preferred embodiment, as shown in fig. 1 and 2, the detection unit 420 includes a camera 421, two detection panels 422, and a light source generator 423, wherein:

the sensing case 410 is mounted on the outer wall of the feed tube 100 through the support plate 430, and the inside of the sensing case 410 forms a sensing chamber 411; when specifically setting up, backup pad 430 is L type structure, and backup pad 430 has looks vertically first plate body and second plate body, and first plate body laminating is on the outer wall of material pipe 100 to realize the fixed of backup pad 430 and material pipe 100 through modes such as threaded connection, cementation, buckle connection, the second plate body is used for supporting detection shell 410, and detection shell 410 is fixed on the second plate body through modes such as threaded connection, cementation, buckle connection.

Two detection panels 422 are mounted on opposite sidewalls of the detection chamber 411; when the detection device is specifically arranged, the transparent panels of the detection panels 422, one detection panel 422 is fixed on one side wall of the detection cavity 411 in a threaded connection, cementing, buckling connection and other modes, the other detection panel 422 is fixed on the other side wall of the detection cavity 411 in a threaded connection, cementing, buckling connection and other modes, and the two detection panels 422 are oppositely arranged.

The camera 421 is mounted on the support plate 430 through the first bracket 440, and the image pickup end of the camera 421 faces any one of the detection panels 422 and faces the detection chamber 411; when specifically set, the first bracket 440 is mounted on the support plate 430 by means of screw connection, cementing, snap connection, etc., and the camera 421 is mounted on the first bracket 440 by means of screw connection, cementing, snap connection, etc.

The light source generator 423 is mounted on the support plate 430 through the second bracket 450, and the light source generator 423 is located at a side of the other detection panel 422 remote from the camera 421; when specifically set up, light source generator 423 can directly use the LED lamp, and second support 450 passes through threaded connection, glued, buckle connection etc. and installs on backup pad 430, and light source generator 423 passes through threaded connection, glued, buckle connection etc. and installs on second support 450.

In the above material particle detector 10, the light generated by the light source generator 423 enters the detection cavity 411 through the detection panel 422 to illuminate the material particles in the detection cavity 411, the camera 421 performs corresponding shooting on the material particles in the detection cavity 411 through the other detection panel 422, and the shooting effect is transmitted to the analysis system for further analysis, so that the particle size information of the material particles can be conveniently obtained.

In order to facilitate recycling of material particles, as shown in fig. 1 and 2, the material particle detector 10 further includes a material recycling device 600, where the material recycling device 600 includes a material recycling shell 610, a material recycling pipe 620, and a third blowing head 630, and the material recycling device includes:

the feed back shell 610 is mounted on the material pipe 100, and the feed back shell 610 is positioned at one side of the detection shell 410 away from the feed inlet 110, a feed back cavity 611 is formed inside the feed back shell 610, and the feed back cavity 611 is respectively communicated with the detection shell 410 and the feed back pipe 620; when specifically provided, the return housing 610 is mounted to the support plate 430 by threaded connection, snap-fit connection, or the like.

One end of the return pipe 620 is connected to the pipe 100, and a third blowing head 630 is installed at the other end of the return pipe 620.

In the above-mentioned material particle detector 10, the material passing through the detecting cavity 411 will fall into the return shell 610 and continue to fall into the return pipe 620 under the action of gravity, and the material is blown into the pipe 100 through the third blowing head 630, so as to realize the return of the material. In a specific arrangement, the manner of conveying the material falling into the material returning pipe 620 to the material pipe 100 is not limited to the third blowing head 630, but may be other structural forms capable of achieving a conveying effect, such as an auger.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A material particle detector, comprising:

the feeding hole is formed in the opening of one end of the material pipe;

the separation device comprises a separation shell and a separation unit, the separation shell is communicated with the connecting pipe, and the separation unit is used for separating material particles entering the separation shell; the separation shell comprises a separation seat, wherein the separation seat is of a cavity structure with two ends open, and comprises a fixed cavity and a separation cavity which are communicated, and the projection of the fixed cavity in the separation cavity falls into the outline of the separation cavity, wherein: the pipe wall of the material pipe is provided with a third through hole, one end of the separation seat, which is close to the fixed cavity, is connected with the outer wall of the material pipe in a sealing way, and covers the third through hole, and one end of the separation seat, which is close to the separation cavity, is connected with the detection device; the adapter tube is inserted into the fixed cavity through the third through hole and extends to the separation cavity; the separation unit is arranged on the separation cavity;

2. The material particle detector of claim 1, wherein the drive unit comprises a drive member, a support base, and a transport member, wherein:

3. The material particle detector of claim 2, wherein the driving unit further comprises a coupling disposed in the first through hole, one end of the coupling is fixedly connected to the protruding shaft of the driving member, and the other end of the coupling is connected to the conveying member.

4. A material particle detector as claimed in claim 3 wherein the conveying member is a conveying auger or a rectangular spring.

5. The material particle detector of claim 1, wherein the separation unit comprises a first blowing head, one end of the first blowing head is externally connected with a gas source, and the other end of the first blowing head is arranged on the side wall of the separation cavity.

6. The material particle detector of claim 5, wherein a plurality of separation holes are formed in the side wall of the separation chamber, the separation unit further comprises a blowing ring, and the blowing ring is provided with a mounting hole and an annular blowing groove, wherein:

7. The material particle detector of claim 6, wherein the plurality of separation holes are positioned on the same circumference, axes of the separation holes form a set included angle with a radial direction of the circumference where the separation holes are positioned, the plurality of separation holes are spirally distributed, and inner cavities of the separation holes are gradually reduced from outside to inside.

8. The material particle detector of claim 1, wherein the separation housing further comprises a control housing having a cavity structure with two open ends, having a large end and a small end, wherein:

9. The material particle detector of claim 8, further comprising a guide device comprising a guide tube and a second blowing head, wherein:

10. The material particle detector of claim 1, wherein the detection unit comprises a camera, two detection panels, a light source generator, wherein:

11. The material particle detector of claim 1, further comprising a return device comprising a return shell, a return tube, and a third blowing head, wherein: