Automatic rice detection device

Abstract

The invention discloses an automatic rice detection device which is used for detecting rice at a discharge port of a rice mill, the automatic rice detection device comprises a support, an automatic sampling structure, a hopper structure, a vibration sieve structure and a scattering structure, the automatic sampling structure is mounted on the support, and the hopper structure is mounted on the support. One end of the feeding pipe is selectively arranged below a discharge hole of the rice mill; the hopper structure is arranged below the other end of the automatic sampling structure and is mounted on the bracket; the vibrating screen structure is provided with a feeding end and a discharging end, the feeding end is arranged below an outlet of the hopper structure, the vibrating screen structure is downwards inclined from the feeding end to the discharging end, the inclination angle A is larger than or equal to 15 degrees and smaller than or equal to 30 degrees; the bulk material structure comprises a bulk material front plate, a bulk material back plate, a bulk material baffle and a plurality of bulk material supporting columns, the bulk material back plate is made of light absorption materials and extends in the vertical direction, and the bulk material front plate and the bulk material back plate define a material receiving structure.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical manufacturing, and in particular to an automatic rice detection device. Background Art

[0002] Rice is a finished product made from rice grains after cleaning, husking, milling, and finishing. The germ and endosperm of rice contain nearly 64% of rice nutrition and more than 90% of the nutrients required by the human body. In the production process of rice, brown rice is milled by a rice mill.

[0003] The prior art can only transport rice out of the rice mill, but cannot detect the broken rice rate. Usually, the rice needs to be taken out and measured separately, which is inconvenient and time-consuming, affecting the production efficiency of the enterprise. At the same time, the rice contains iron filings, so the rice needs to be cleaned.

[0004] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0005] The main purpose of the present invention is to provide an automatic rice detection device, aiming to solve the problem that the prior art requires taking out the rice and measuring it separately, which is inconvenient to operate and takes a long time.

[0006] To achieve the above object, the present invention provides an automatic rice detection device for detecting rice at a discharge port of a rice mill, the automatic rice detection device comprising:

[0007] Bracket;

[0008] An automatic sampling structure is mounted on the bracket, and one end of the automatic sampling structure is selectively arranged below the discharge port of the rice mill;

[0009] A hopper structure, disposed below the other end of the automatic sampling structure and mounted on the bracket;

[0010] A vibrating screen structure, comprising a feed end and a discharge end, wherein the feed end is arranged below the outlet of the hopper structure, and the vibrating screen structure is arranged to be inclined downward from the feed end to the discharge end, and the inclination angle is A, 15°≤A≤30°;

[0011] A bulk material structure, comprising a bulk material front plate, a bulk material back plate, a bulk material baffle plate and a plurality of bulk material pillars, wherein the bulk material back plate is made of a light-absorbing material and is extended in the up-down direction, the bulk material front plate and the bulk material baffle plate are both transparent, the bulk material front plate and the bulk material back plate are surrounded to form a material receiving structure, the opening of the material receiving interface is gradually reduced in the up-down direction and the opening is butted with the discharge end, the bulk material baffle plate is connected to the lower end of the bulk material front plate and is extended in the up-down direction, the bulk material baffle plate and the bulk material back plate are spaced apart and the interval is B, a plurality of bulk material pillars extend from the bulk material back plate to the bulk material baffle plate, the length of the bulk material pillar is C, the plurality of bulk material pillars include a plurality of pillar groups in the up-down direction, each pillar group includes a plurality of bulk material pillars spaced apart in the left-right direction, the bulk pillars along the two upper and lower adjacent pillar groups are staggered, 6mm≤C≤B, 0≤BC≤3mm;

[0012] A photographing device, disposed on the bracket and located directly in front of the bulk material baffle;

[0013] Among them, the multiple pillar groups include {a1, a2, …, ai, …, an}, ai is the bulk material pillar of the i-th row;

[0014] When i is an odd number, the bulk material pillars in the i-th row include {ai 1, ai 2, ai 3, ..., aik}, and the bulk material pillars in the i+1-th row include {a(i+1)1, a(i+1)2, a(i+1)3, ..., a(i+1)(k-1)},

[0015] When a im is set to the left of the center of the i-th row of pillar groups, Xim-X(i+1)s<X(i+1)s-Xi(m-1);

[0016] When a im is set to the right of the center of the i-th row of pillar groups, Xim-X(i+1)s>X(i+1)s-Xi(m-1);

[0017] Among them, aim is the bulk material pillar in the i-th row and m-th column, and a(i+1)s is located between aim and ai(m-1);

[0018] Xim is the horizontal coordinate corresponding to aim;

[0019] X(i+1)s is the horizontal coordinate corresponding to a(i+1)s;

[0020] Xi(m-1) is the horizontal coordinate corresponding to ai(m-1).

[0021] Preferably, in the automatic rice detection device, when k is an even number,

[0022] X(i+1)1-X i 1>X i2-X(i+1)1, X(i+1)2-Xi2>X i 3-X(i+1)2,...,

[0023] X(i+1)(k / 2)-X i(k / 2)=X i(k / 2+1)-X(i+1)(k / 2),

[0024] X i(k / 2+2)-X(i+1)(k / 2+1)>X(i+1)(k / 2+1)-X i(k / 2+1),...,

[0025] When k is an odd number, X(i+1)1-Xi1>Xi2-X(i+1)1, X(i+1)2-Xi2>Xi3-X(i+1)2, ...,

[0026] X(i+1)((k+1) / 2)-Xi((k+1) / 2)=Xi((k+1) / 2)-X(i+1)((k+1) / 2-1),

[0027] X i((k+1) / 2+1)-X(i+1)((k+1) / 2)>X(i+1)((k+1) / 2)-Xi((k+1) / 2),...,

[0028] Preferably, in the automatic rice detection device, the automatic sampling structure comprises:

[0029] A first fixing frame, one end of which is disposed above the hopper structure;

[0030] A second fixing frame, one end of which is rotatably connected to the other end of the first fixing frame;

[0031] A telescopic device, one end of which is mounted on the bracket and the other end of which is mounted on the second fixing frame;

[0032] A conveyor belt, sleeved on the first fixing frame and the second fixing frame;

[0033] Among them, when the telescopic device is extended, the other end of the second fixed frame rotates and is flush with the first fixed frame, and the other end of the second fixed frame is arranged below the discharge port of the rice mill; when the telescopic device is contracted, the other end of the second fixed frame is retracted in the direction close to the bracket.

[0034] Preferably, in the automatic rice detection device, a weighing sensor is provided below the hopper structure;

[0035] The automatic rice detection device further includes a controller, which is electrically connected to the telescopic device and the weighing sensor respectively, and is configured as follows:

[0036] Obtaining a weighing value of the weighing sensor;

[0037] Determining whether the weighing value reaches a preset value;

[0038] When the judgment result is yes, the telescopic device is controlled to contract and the feeding is stopped.

[0039] Preferably, in the automatic rice detection device, the vibrating screen structure comprises:

[0040] A vibration plate, having the feed end and the discharge end, wherein the vibration plate is arranged to be tilted downward from the feed end to the discharge end, and the tilt angle is A, 15°≤A≤30°;

[0041] A hard elastic structure, one end of which is mounted on the bracket and the other end of which is mounted on the vibration plate, wherein the mounting position of the hard elastic structure on the vibration plate is adjustable to adjust the tilt angle;

[0042] The linear vibration motor is arranged at the bottom of the vibration plate.

[0043] Preferably, in the automatic rice detection device, the vibration plate has a vibration surface arranged upward, the vibration surface is provided with a plurality of protrusions protruding outward, and the height of the protrusions is H, 0.05 mm≤H≤0.1 mm.

[0044] Preferably, in the automatic rice detection device, the outer surface of the protrusion is arranged with rounded corners.

[0045] Preferably, in the automatic rice detection device, the photographing device comprises:

[0046] The shooting frame comprises a crossbeam and two longitudinal beams, wherein the two longitudinal beams are mounted on the bracket movably up and down, and the two ends of the crossbeam are respectively mounted on the two longitudinal beams;

[0047] The shooting camera is installed on the beam.

[0048] Preferably, in the automatic rice detection device, the bracket is provided with a plurality of rack guide rails arranged relatively to each other along the up-down direction;

[0049] The two ends of each longitudinal beam are respectively arranged on two oppositely arranged rack guide rails, and the end of the longitudinal beam is provided with a tooth portion that cooperates with the rack structure of the rack guide rail.

[0050] Preferably, the automatic rice detection device further comprises a recovery box, which is arranged on the bracket and located directly below the bulk material structure.

[0051] The present invention has at least the following beneficial effects:

[0052] The automatic rice detection device provided by the present invention comprises an automatic sampling structure installed on the bracket, and one end of the automatic sampling structure can be selectively arranged below the discharge port of the rice mill; a hopper structure is arranged below the other end of the automatic sampling structure and installed on the bracket; a vibrating screen structure has a feeding end and a discharging end, the feeding end is arranged below the outlet of the hopper structure, the vibrating screen structure is arranged to be tilted downward from the feeding end to the discharging end, and the tilt angle is A, 15°≤A≤30°; a bulk material structure comprises a bulk material front plate, a bulk material back plate, a bulk material baffle and a plurality of bulk material pillars, the bulk material back plate is made of light-absorbing material and is extended in the up and down directions, the bulk material front plate and the bulk material back plate are arranged to form a material receiving structure, and the opening of the material receiving interface is arranged along the up and down directions. The direction is gradually reduced and the opening is butted with the discharge end, the bulk material baffle is connected to the lower end of the bulk material front plate and is extended in the up-down direction, the bulk material baffle is spaced from the bulk material back plate and the interval is B, a plurality of bulk material pillars extend from the bulk material back plate to the bulk material baffle, the length of the bulk material pillar is C, the plurality of bulk material pillars include a plurality of pillar groups in the up-down direction, each pillar group includes a plurality of bulk material pillars arranged at intervals in the left-right direction, and the bulk material pillars along the two adjacent pillar groups are staggered, 6mm≤C≤B, 0≤BC≤3mm; a shooting device is provided on the bracket and is located directly in front of the bulk material baffle, so that the rice after passing through the rice mill can be automatically and real-time detected according to needs;

[0053] Furthermore, when i is an odd number, the bulk material pillars in the i-th row include {ai 1, a i2, ai 3, ..., a ik}, and the bulk material pillars in the i+1-th row include {a(i+1)1, a(i+1)2, a(i+1)3, ..., a(i+1)(k-1)}. When a im is located on the left side of the center of the i-th row pillar group, Xim-X(i+1)s<X(i+1)sX i(m-1); when a im is located on the right side of the center of the i-th row pillar group, Xim-X(i+1)s>X(i+1)s-Xi(m-1); wherein a im is the bulk material pillar in the i-th row and m-th column, a(i+1)s is located between a im and ai(m-1); Xim is a im is the horizontal coordinate corresponding to a(i+1)s; X(i+1)s is the horizontal coordinate corresponding to a(i+1)s; Xi(m-1) is the horizontal coordinate corresponding to ai(m-1). In this way, the material distributed in the bulk structure is more uniform, which can improve the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] Figure 1 A three-dimensional diagram of an embodiment of an automatic rice detection device provided by the present invention;

[0055] Figure 2 for Figure 1 Schematic diagram of the structure of the middle part;

[0056] Figure 3 for Figure 2 Schematic diagram from another perspective;

[0057] Figure 4 for Figure 2 Schematic diagram from another perspective;

[0058] Figure 5 for Figure 4 Schematic diagram of the medium bulk material structure;

[0059] Figure 6 for Figure 5 Schematic diagram from another perspective;

[0060] Figure 7 A schematic diagram of a bulk material support in one embodiment;

[0061] Figure 8 It is a schematic diagram of a bulk material support in another embodiment.

[0062] Reference numerals of the present invention:

[0063] Label name Label name 100 Rice automatic detection device 5 Controller 1 Bracket 6 Bulk material structure 11 Rack guide 61 Bulk front plate 2 Automatic sampling structure 62 Bulk material backing plate 21 First fixed frame 63 Bulk material baffle 22 Second fixing bracket 64 Bulk material support 23 Telescopic device 7 Filming equipment 24 Conveyor Belt 71 Shooting Camera 3 Hopper structure 721 beam 4 Vibrating screen structure 722 Stringer 41 Vibration Plate 8 Recycling bin 42 Hard elastic structure

[0064] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0065] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0066] In the embodiments of the present invention, the term "and / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0067] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0068] In the embodiments of the present invention, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0069] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0070] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. However, it can be understood by those skilled in the art that in the embodiments of the present invention, many technical details are proposed in order to enable the reader to better understand the present invention. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present invention can also be implemented. The division of the following embodiments is for the convenience of description and should not constitute any limitation on the specific implementation of the present invention. The various embodiments can be combined and referenced with each other under the premise of no contradiction.

[0071] See also Figures 1 to 4 The present invention provides an automatic rice detection device 100 for detecting rice at a discharge port of a rice mill. The automatic rice detection device 100 includes a bracket 1, an automatic sampling structure 2, a hopper structure 3, a vibrating screen structure 4, a controller 5 and a bulk material structure 6.

[0072] See also Figure 1 and Figure 2, the automatic sampling structure 2 is mounted on the bracket 1, and one end of the automatic sampling structure 2 can be selectively arranged below the outlet of the rice milling machine. By setting the automatic sampling structure 2, sampling can be performed in real time as needed. For example, sampling can be performed at a fixed time or automatically. The automatic sampling structure 2 includes a first fixed frame 21, a second fixed frame 22, a telescopic device 23 and a conveyor belt 24. One end of the first fixed frame 21 is arranged above the hopper structure 3; one end of the second fixed frame 22 is rotatably connected to the other end of the first fixed frame 21; one end of the telescopic device 23 is mounted on the bracket 1, and the other end is mounted on the second fixed frame 22; the conveyor belt 24 is sleeved on the first fixed frame 21 and the second fixed frame 22; wherein, when the telescopic device 23 is extended, the other end of the second fixed frame 22 rotates and is flush with the first fixed frame 21, and the other end of the second fixed frame 22 is arranged below the outlet of the rice milling machine; when the telescopic device 23 is retracted, the other end of the second fixed frame 22 is retracted in a direction close to the bracket 1. The telescopic device 23 may be, but is not limited to, a telescopic cylinder.

[0073] When it is necessary to take materials, the telescopic device 23 is controlled to extend, and the second fixed frame 22 rotates and aligns with the first fixed frame 21. At this time, the conveyor belt 24 sleeved on the first fixed frame 21 and the second fixed frame 22 is flattened, and the other end of the second fixed frame 22 is arranged below the discharge port of the rice milling machine. The materials dropped from the rice milling machine fall on the conveyor belt 24 and are transmitted to the hopper structure 3 through the conveyor belt 24; when it is not necessary to take materials, the telescopic device 23 is controlled to shrink, and the telescopic device 23 drives the second fixed frame 22 to retract in the direction close to the bracket 1, and stops taking materials. The controller 5 is electrically connected to the telescopic device 23, so that the telescopic device 23 can be controlled to extend or shrink by the controller 5.

[0074] The hopper structure 3 is disposed below the other end of the automatic sampling structure 2 and mounted on the bracket 1. When the material is delivered to the other end of the automatic sampling structure 2 by the conveyor belt 24 and falls from the other end of the automatic sampling structure 2, it will fall on the hopper structure 3.

[0075] A weighing sensor is provided below the hopper structure 3. The controller 5 is electrically connected to the weighing sensor. The controller 5 is configured to: obtain the weighing value of the weighing sensor; determine whether the weighing value reaches a preset value; when the determination result is yes, control the telescopic device 23 to contract and stop feeding, so that the feeding can be automatically controlled according to demand and accurately controlled. The weight of the material is obtained in real time through the weighing sensor, and whether to continue feeding is controlled by the controller 5 according to demand.

[0076] See also Figure 4The vibrating screen structure 4 has a feed end and a discharge end, the feed end is arranged below the outlet of the hopper structure 3, and the vibrating screen structure 4 is inclined downward from the feed end to the discharge end, and the inclination angle is A, 15°≤A≤30°. The vibrating screen structure can vibrate the material falling thereon to preliminarily adjust the uniformity, so as to facilitate the material falling from the vibrating screen structure into the bulk material structure 6 to remain in a uniform state. Among them, if A is too large, the speed at which the material falls from the vibrating screen structure is too fast, and the material cannot be fully uniform; if A is too small, it will affect the overall efficiency. In some other embodiments, A can also be 20° or 25°.

[0077] Furthermore, the vibrating screen structure 4 includes a vibration plate 41, a hard elastic structure 42 and a linear vibration motor. The vibration plate 41 has the feed end and the discharge end, and the vibration plate 41 is tilted downward from the feed end to the discharge end, and the tilt angle is A. The hard elastic structure 42 is mounted on the bracket 1 at one end and on the vibration plate 41 at the other end, and the mounting position of the hard elastic structure 42 on the vibration plate 41 is adjustable to adjust the tilt angle; the linear vibration motor is arranged at the bottom of the vibration plate 41. After the material falls from the hopper structure 3, it falls onto the vibration plate 41, and the linear vibration motor drives the vibration plate 41 to vibrate to make the material on the vibration plate 41 more uniform.

[0078] In order to reduce the friction between the material on the vibration plate 41 and the vibration plate 41, the vibration plate 41 has a vibration surface facing upward, and the vibration surface is provided with a plurality of protrusions facing outward, and the height of the protrusions is H. If H is too large, the resistance is too large, and if H is too small, it will not work, so 0.05mm≤H≤0.1mm. The outer surface of the protrusion is rounded.

[0079] See also Figure 5 and Figure 6The bulk material structure 6 includes a bulk material front plate 61, a bulk material back plate 62, a bulk material baffle plate 63 and a plurality of bulk material pillars 64. The bulk material back plate 62 is made of light-absorbing material and is extended in the up-down direction. The bulk material front plate 61 and the bulk material back plate 62 are arranged to form a material receiving structure. The opening of the material receiving interface is gradually reduced in the up-down direction and the opening is butted with the discharge end. The bulk material baffle plate 63 is connected to the lower end of the bulk material front plate 61 and is extended in the up-down direction. The bulk material baffle plate 63 and the bulk material back plate 62 are arranged at intervals of B. A plurality of bulk material pillars 64 extend from the bulk material back plate 62 to the bulk material baffle plate 63. The length of the bulk material pillars 64 is C. The plurality of bulk material pillars 64 include a plurality of pillar groups in the up-down direction. Each pillar group includes a plurality of bulk material pillars 64 arranged at intervals in the left-right direction. The bulk material pillars 64 along two upper and lower adjacent pillar groups are staggered, so that the materials can be evenly scattered to both sides. If C is too small, it will restrict the material from going down, so 6mm≤C≤B. The bulk material pillar 64 can be directly extended from the bulk material back plate 62 to the bulk material baffle 63, or it can be extended from the bulk material back plate 62 but not connected to the bulk material baffle 63, and no specific limitation is made here. The gap between the bulk material pillar 64 and the bulk material baffle 63 is BC. If BC is too large, a large amount of material will fall directly and cannot be evenly scattered to both sides. Therefore, 0≤BC≤3mm.

[0080] The bulk material front plate 61 and the bulk material baffle plate 63 are both transparent, for example, the bulk material front plate 61 and the bulk material baffle plate 63 are both transparent acrylic plates.

[0081] In addition, the plurality of pillar groups include {a1, a2, ..., ai, ..., an}, where ai is the bulk material pillar 64 in the i-th row;

[0082] When i is an odd number, the bulk material pillars 64 in the i-th row include {ai 1, a i2, ai 3, ..., aik}, and the bulk material pillars 64 in the i+1-th row include {a(i+1)1, a(i+1)2, a(i+1)3, ..., a(i+1)(k-1)},

[0083] When a im is set to the left of the center of the i-th row of pillar groups, Xim-X(i+1)s<X(i+1)s-Xi(m-1);

[0084] When a im is set to the right of the center of the i-th row of pillar groups, Xim-X(i+1)s>X(i+1)s-Xi(m-1);

[0085] Wherein, aim is the bulk material pillar 64 in the i-th row and m-th column, and a(i+1)s is located between aim and ai(m-1);

[0086] Xim is the horizontal coordinate corresponding to a im;

[0087] X(i+1)s is the horizontal coordinate corresponding to a(i+1)s;

[0088] Xi(m-1) is the horizontal coordinate corresponding to ai(m-1).

[0089] Since the material is likely to fall on the middle of the bulk material structure 6 after falling from the vibrating screen structure 4, the present invention can distribute the material entering the bulk material structure 6 to both sides through the position setting of each bulk material pillar 64 in the multiple pillar groups, making the material distributed in the bulk material structure 6 more even.

[0090] Specifically, when k is an even number,

[0091] X(i+1)1-Xi 1>Xi2-X(i+1)1, X(i+1)2-Xi2>Xi3-X(i+1)2,...,

[0092] X(i+1)(k / 2)-Xi(k / 2)=Xi(k / 2+1)-X(i+1)(k / 2),

[0093] Xi(k / 2+2)-X(i+1)(k / 2+1)>X(i+1)(k / 2+1)-Xi(k / 2+1),..., Xi kX(i+1)(k-1)>

[0094] When i is an odd number, i+1 is an even number. Figure 8 , for example, the pillar group includes {a1, a2, a3, a4, a5}, i is 1, i+1 is 2. a1 includes {a11, a12, a13, a14, a15}, a2 includes {a21, a22, a23, a24}. At this time, a13 is located at the center of the first row of pillar groups, and a22 and a23 are located on both sides of a13. At this time:

[0095] X13-X22=X23-X13;

[0096] X22-X12>X13-X22;

[0097] X12-X21>X22-X12;

[0098] X14-X23>X23-X13;

[0099] X15-X24>X24-X14.

[0100] When k is an odd number, X(i+1)1-Xi 1>Xi2-X(i+1)1, X(i+1)2-Xi2>Xi3-X(i+1)2, ...,

[0101] X(i+1)((k+1) / 2)-Xi((k+1) / 2)=Xi((k+1) / 2)-X(i+1)((k+1) / 2-1),

[0102] Xi((k+1) / 2+1)-X(i+1)((k+1) / 2)>X(i+1)((k+1) / 2)-Xi((k+1) / 2),..., Xi kX(i+1)(k-1)>

[0103] See also Figure 7 , with a1 including {a11, a12, a13, a14, a15, a16}, a2 including {a21, a22, a23, a24, a25}, a13 and a14 are located at the center of the first row of pillar groups, then:

[0104] X23-X13=X14-X23;

[0105] X13-X22>X23-X13;

[0106] X22-X12>X13-X22;

[0107] X21-X11>X12-X21;

[0108] X15-X24>X24-X14;

[0109] X16-X25>X25-X15.

[0110] The photographing device 7 is arranged on the support 1 and is located in front of the bulk material baffle 63. The photographing device 7 can also be movable, so that the photographing angle can be adjusted as needed. The photographing device 7 includes a photographing frame and a photographing camera 71.

[0111] The shooting frame includes a crossbeam 721 and two longitudinal beams 722. The two longitudinal beams 722 are mounted on the bracket 1 so as to be movable up and down. The two ends of the crossbeam 721 are respectively mounted on the two longitudinal beams 722. The shooting camera 71 is mounted on the crossbeam 721 and can move along the length direction of the crossbeam 721. The shooting camera 71 is moved along the length direction of the crossbeam 721 to realize the position of the shooting camera 71 along the length direction of the crossbeam 721. It should be noted that the length direction of the crossbeam 721 is arranged parallel to the bulk material back plate 62 and the bulk material baffle 63, and is perpendicular to the up and down direction.

[0112] The bracket 1 is provided with a plurality of rack rails 11 arranged opposite to each other in the vertical direction; the two ends of each longitudinal beam 722 are respectively provided on two oppositely arranged rack rails 11, and the end of the longitudinal beam 722 is provided with a tooth portion that cooperates with the rack structure of the rack rail 11. The longitudinal beam 722 can move up and down along the rack rail 11, thereby driving the shooting camera 71 in the vertical direction.

[0113] The automatic rice detection device 100 further includes a recovery box 8, which is disposed on the support 1 and is located directly below the bulk material structure 6. After passing through the bulk material structure 6, the material falls into the recovery box 8 located at the bottom layer.

[0114] In addition, it is worth noting that the automatic rice detection device 100 is arranged downstream of the rice milling machine. The rice processed by the rice milling machine is sent to the automatic rice detection device 100 for detection, so that the various parameters of the rice milling machine can be automatically adjusted according to the detection results of the automatic rice detection device 100.

[0115] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, ordinary technicians in this field can make other different forms of changes or modifications without creative work, which should fall within the scope of protection of the present invention.

Claims

1. A rice automatic detection device, used for detecting rice at the outlet of a rice mill, characterized in that: include: Bracket; An automatic sampling structure is mounted on the bracket, and one end of the automatic sampling structure is selectively arranged below the discharge port of the rice mill; A hopper structure, disposed below the other end of the automatic sampling structure and mounted on the bracket; A vibrating screen structure, comprising a feed end and a discharge end, wherein the feed end is arranged below the outlet of the hopper structure, and the vibrating screen structure is arranged to be inclined downward from the feed end to the discharge end, and the inclination angle is A, 15°≤A≤30°; A bulk material structure, comprising a bulk material front plate, a bulk material back plate, a bulk material baffle plate and a plurality of bulk material pillars, wherein the bulk material back plate is made of a light-absorbing material and is extended in the up-down direction, the bulk material front plate and the bulk material baffle plate are both transparent, the bulk material front plate and the bulk material back plate are surrounded to form a material receiving structure, the opening of the material receiving interface is gradually reduced in the up-down direction and the opening is butted with the discharge end, the bulk material baffle plate is connected to the lower end of the bulk material front plate and is extended in the up-down direction, the bulk material baffle plate and the bulk material back plate are spaced apart and the interval is B, a plurality of bulk material pillars extend from the bulk material back plate to the bulk material baffle plate, the length of the bulk material pillar is C, the plurality of bulk material pillars include a plurality of pillar groups in the up-down direction, each pillar group includes a plurality of bulk material pillars spaced apart in the left-right direction, the bulk pillars along the two upper and lower adjacent pillar groups are staggered, 6mm≤C≤B, 0≤BC≤3mm; A photographing device, disposed on the bracket and located directly in front of the bulk material baffle; Among them, the multiple pillar groups include {a1, a2, …, ai, …, an}, ai is the bulk material pillar of the i-th row; When i is an odd number, the bulk material pillars in the i-th row include {ai 1, ai 2, ai 3, ..., aik}, and the bulk material pillars in the i+1-th row include {a(i+1)1, a(i+1)2, a(i+1)3, ..., a(i+1)(k-1)}, When aim is set to the left of the center of the i-th row of pillar groups, Xim-X(i+1)s<X(i+1)s-Xi(m-1); When aim is set to the right of the center of the i-th row of pillars, Xim-X(i+1)s>X(i+1)s-Xi(m-1); Where aim is the bulk material pillar in the i-th row and m-th column, and a(i+1)s is located between aim and ai(m-1); Xim is the horizontal coordinate corresponding to aim; X(i+1)s is the horizontal coordinate corresponding to a(i+1)s; Xi(m-1) is the horizontal coordinate corresponding to ai(m-1).

2. The automatic rice detection device as claimed in claim 1, characterized in that, When k is an even number, X(i+1)1-Xi 1>Xi2-X(i+1)1, X(i+1)2-Xi2>Xi3-X(i+1)2,..., X(i+1)(k / 2)-Xi(k / 2)=Xi(k / 2+1)-X(i+1)(k / 2), Xi(k / 2+2)-X(i+1)(k / 2+1)>X(i+1)(k / 2+1)-Xi(k / 2+1),..., Xik-X(i+1)(k-1)> When k is an odd number, X(i+1)1-Xi 1>Xi2-X(i+1)1, X(i+1)2-Xi2>Xi 3-X(i+1)2, ..., X(i+1)((k+1) / 2)-Xi((k+1) / 2)=Xi((k+1) / 2)-X(i+1)((k+1) / 2-1), Xi((k+1) / 2+1)-X(i+1)((k+1) / 2)>X(i+1)((k+1) / 2)-Xi((k+1) / 2),..., 3. The automatic rice detection device as claimed in claim 1, characterized in that, The automatic sampling structure comprises: A first fixing frame, one end of which is disposed above the hopper structure; A second fixing frame, one end of which is rotatably connected to the other end of the first fixing frame; A telescopic device, one end of which is mounted on the bracket and the other end of which is mounted on the second fixing frame; A conveyor belt, sleeved on the first fixing frame and the second fixing frame; Among them, when the telescopic device is extended, the other end of the second fixed frame rotates and is flush with the first fixed frame, and the other end of the second fixed frame is arranged below the discharge port of the rice mill; when the telescopic device is contracted, the other end of the second fixed frame is retracted in the direction close to the bracket.

4. The automatic rice detection device as claimed in claim 3, characterized in that: A weighing sensor is provided below the hopper structure; The automatic rice detection device further includes a controller, which is electrically connected to the telescopic device and the weighing sensor respectively, and is configured as follows: Obtaining a weighing value of the weighing sensor; Determining whether the weighing value reaches a preset value; When the judgment result is yes, the telescopic device is controlled to contract and the feeding is stopped.

5. The automatic rice detection device according to claim 1, characterized in that: The vibrating screen structure comprises: A vibration plate, having the feed end and the discharge end, wherein the vibration plate is arranged to be tilted downward from the feed end to the discharge end, and the tilt angle is A, 15°≤A≤30°; A hard elastic structure, one end of which is mounted on the bracket and the other end of which is mounted on the vibration plate, wherein the mounting position of the hard elastic structure on the vibration plate is adjustable to adjust the tilt angle; The linear vibration motor is arranged at the bottom of the vibration plate.

6. The automatic rice detection device as claimed in claim 5, characterized in that: The vibration plate has a vibration surface facing upward, and a plurality of protrusions are protruded outwardly from the vibration surface. The height of the protrusions is H, and 0.05 mm ≤ H ≤ 0.1 mm.

7. The automatic rice detection device according to claim 6, characterized in that: The outer surface of the protrusion is rounded.

8. The automatic rice detection device according to claim 1, characterized in that: The photographing device comprises: A shooting frame, comprising a crossbeam and two longitudinal beams, wherein the two longitudinal beams are mounted on the bracket movably up and down, and two ends of the crossbeam are respectively mounted on the two longitudinal beams; The shooting camera is installed on the beam.

9. The automatic rice detection device according to claim 8, characterized in that: The bracket is provided with a plurality of rack guide rails arranged opposite to each other in the up-down direction; The two ends of each longitudinal beam are respectively arranged on two oppositely arranged rack guide rails, and the end of the longitudinal beam is provided with a tooth portion that matches the rack structure of the rack guide rail.

10. The automatic rice detection device according to claim 1, characterized in that: It also includes a recovery box, which is arranged on the bracket and is located directly below the bulk material structure.

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