CN215628432U - Rolling vision cocoon selection device based on total reflection excitation illumination - Google Patents
Rolling vision cocoon selection device based on total reflection excitation illumination Download PDFInfo
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- CN215628432U CN215628432U CN202122271658.4U CN202122271658U CN215628432U CN 215628432 U CN215628432 U CN 215628432U CN 202122271658 U CN202122271658 U CN 202122271658U CN 215628432 U CN215628432 U CN 215628432U
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Abstract
The utility model relates to the technical field of visual cocoon selection devices, in particular to a rolling visual cocoon selection device based on total reflection excitation illumination, which comprises a plurality of glass tube rollers, wherein a gap is formed between every two adjacent glass tube rollers, and the gap is used for placing silkworm cocoons; the plurality of light-gathering light guide bodies are arranged in the glass tube roller, and at least one upward light outlet is arranged in each light-gathering light guide body; the distance between the glass roller with the built-in light-gathering light guide body and the baffle is adjusted to ensure that the included angle between the light outlet and the silkworm cocoon meets the critical formula of total reflection of light, and the characteristics of total reflection and mirror reflection of beam exciting light in the cocoon layer of the silkworm cocoon are utilized to enable the silkworm layer of the whole silkworm cocoon to be illuminated so as to facilitate screening. Compared with the prior art, the utility model has the advantages that: the device is easy to operate, can quickly screen defective cocoons and ensure the quality of the silkworm cocoons.
Description
Technical Field
The utility model relates to the technical field of visual cocoon selection devices, in particular to a rolling visual cocoon selection device based on total reflection excitation illumination.
Background
At present, a device for accurately finding defective cocoons and selecting and recycling the defective cocoons is absent in the market. In the existing cocoon selection process, manual operation is mostly adopted, labor and time are wasted, the labor intensity of workers is high, the cocoon conveying capacity and efficiency of a cocoon conveying device are not ideal, and the discrimination accuracy in the cocoon selection process is not high. Therefore, the main purpose of the current cocoon selection device is to improve the cocoon selection precision and the cocoon quality and enable the color and luster of products to be uniform.
Chinese patent No. CN201911112822 discloses an automatic cocoon selection machine, comprising: frame, cocoon selection platform, cocoon selection slotted hole, cocoon selection groove baffle, near infrared light source, beam splitter, receiver, high-pressure tuyere, air compressor machine, collection bag and controller, this patent adopts near infrared spectroscopy analysis technique to detect the cocoon layer volume of silkworm cocoon, utilizes near infrared spectroscopy cocoon selection machine to realize accurate cocoon selection, utilizes a plurality of beam splitters to realize the purpose that a light source covers whole cocoon selection platform, reaches the saving cost, but this patent adopts the beam splitter to shine from the below of silkworm cocoon, and its permeability inadequately that shines can cause there to be bad cocoon recognition rate not high.
Chinese patent publication No. CN201621014640 discloses a cocoon selection machine convenient for light adjustment, comprising a slide block, a slide rail, a fixed plate, a mounting seat, a first motor, a turntable, a connecting rod, a left bracket, a first connecting rod, a moving block, a second connecting rod, a third connecting rod, etc.; the bottom plate top has set gradually left side frame from a left side to the right side, and collection frame, branch, conveyor and right side frame, and left side frame and right side frame top are provided with the roof, and this patent has reached the effect that can clearly distinguish interior seal cocoon, and this patent promotes the illumination effect of silkworm cocoon through adjusting lighting device, but its structure is complicated, and efficiency is not high to this patent adopts the mode that the silkworm cocoon top was shone, and its permeability that shines is also not enough, and it is not high to cause bad cocoon recognition rate equally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a rolling vision cocoon selection device which utilizes total reflection to excite illumination and improve the illumination permeability of silkworm cocoons.
In order to achieve the purpose, the rolling vision cocoon selection device based on total reflection excitation illumination comprises a plurality of glass tube rollers, wherein a gap is formed between every two adjacent glass tube rollers, and the gap is used for placing silkworm cocoons; the plurality of light-gathering light guide bodies are arranged in the glass tube roller, and at least one upward light outlet is arranged in each light-gathering light guide body; the gap between adjacent glass tube rollers is adjusted, so that the light outlet of the light-focusing light guide body is positioned below the horizontal axis of the center of the silkworm cocoon, and the included angle between the incident light emitted by the light outlet of the light-focusing light guide body and the silkworm cocoon meets the critical formula of total light reflection sinC =1/n, wherein C is a critical angle, and n is a refractive index.
The utility model also has the following preferred technical scheme:
the cocoon selection device further comprises an integral conveying belt, and a plurality of glass tube rollers are arranged on the integral conveying belt.
The cocoon selection device can also be replaced by a plurality of split type conveyer belts which are arranged at the gaps among the glass tube rollers.
A plurality of baffles are arranged at the gap between the glass tube rollers.
The glass tube roller comprises an outer roller and an inner roller, the outer roller is made of a light-transmitting material and is driven to rotate by a motor, the inner roller is fixed, and a light-gathering light guide body is arranged inside the inner roller.
The section of the light-gathering light guide body is in an inverted triangle shape, light outlets are formed in two ends of the top of the light-gathering light guide body, and LED light bars are attached to the inner portion or the outer portion of two sides of the bottom of the light-gathering light guide body. The LED light can adopt different wavelengths to be used alternately according to actual conditions.
Except the light outlet, the other positions of the light-gathering light guide body are provided with light-shading materials. Preventing light from interfering with the visual camera.
The light-gathering light guide body is made of metal, a high-reflection mirror surface body and an LED light source are arranged on the inner side of the light-gathering light guide body, and the LED light source is emitted from a light outlet after being reflected and gathered by the mirror surface body.
The cocoon selection device further comprises a hoisting type mechanical arm, elastic claws are arranged at the bottom of the hoisting type mechanical arm, and a visual camera is arranged on the elastic claws.
And the conveying belt is provided with a position sensor.
The cocoon selection device is characterized in that a reciprocating type swinging carding mechanism is arranged at the tail end of the cocoon selection device, and a horizontal air nozzle is arranged on one side of the reciprocating type swinging carding mechanism.
Compared with the prior art, the utility model has the advantages that:
1. the utility model adopts the glass roller to drive the silkworm cocoon rolling device, so that the position of the light-receiving and irradiating surface of the silkworm cocoon can be conveniently adjusted, and the full illumination of the silkworm cocoon can be realized.
2. According to the utility model, the gap between the adjacent glass tube rollers is adjusted, so that the light outlet of the light-gathering light guide body is positioned below the central horizontal axis of the silkworm cocoon, the included angle between the incident light emitted by the light outlet of the light-gathering light guide body and the silkworm cocoon meets the critical light total reflection formula sinC =1/n, wherein C is a critical angle, n is a refractive index, and the silkworm cocoon is irradiated more thoroughly by the light at the light outlet of the light-gathering light guide body, so that the aim of accurately selecting the silkworm cocoon is fulfilled.
3. The method is simple and convenient, is easy to operate, can quickly select defective cocoons, ensures the quality of the silkworm cocoons entering the silkworm cocoons, can realize full-automatic operation, reduces the labor intensity of workers, and is easy to operate integrally.
Drawings
FIG. 1 is a schematic diagram of a total reflection excitation illumination unit of a silkworm cocoon according to the present invention;
FIG. 2 is a schematic side view of a silkworm cocoon receiving an illumination direction;
FIG. 3 is a schematic structural diagram of a rolling conveying unit according to the present invention;
FIG. 4 is a schematic structural diagram of a grabbing and classifying unit of the hoisting manipulator of the present invention;
FIG. 5 is a schematic view of a carding unit of the utility model;
FIG. 6 is a partial schematic view of the structure of the lighting unit of the present invention;
FIG. 7 is a cross-sectional view of a light-concentrating optical body of the present invention;
in the figure: 1. the light-gathering light guide body 2, the light outlet 3, the glass tube roller 4, the LED light bar 5, the baffle 6, the integral type conveying belt 7, the silkworm cocoon 8, the lighting direction and the position 9, the split type conveying belt 10, the hoisting type mechanical arm 11, the elastic claw 12, the vision camera 13, the horizontal air outlet 14, the reciprocating type swing carding mechanism 15, the position sensor 16, the defective cocoon recovery cylinder 17, the roller arrangement direction conveying belt moving direction 18, the inner roller 19, the outer roller 20, the light-gathering light outlet body 21, the light outlet 22, the LED light bead 23 and the heat dissipation mounting table.
Detailed Description
The device consists of a total reflection excitation illumination unit for the silkworm cocoons, a rolling conveying unit, a hoisting manipulator grabbing and classifying unit and a carding unit.
The mulberry silk is a colloidal body with smooth surface and transparent body, has optical property, has a total reflection critical angle of about 43 degrees relative to vacuum or air after measurement, and utilizes a total reflection critical angle formula sinC =1/n, wherein C is a critical angle, n is a refractive index, a beam of light horizontally enters from the side below a horizontal axis of the silkworm cocoon, and at the moment, the total reflection of the light in the silk is superposed with the mirror reflection of the light on the smooth surface of the cocoon silk to form a continuous reflection light path of the light in the whole cocoon layer of the silkworm cocoon, so that the whole cocoon is excited to be lightened like a bulb, and the whole cocoon emits light. Since full illumination of light over the entire cocoon layer of a cocoon is formed, various defects on the inner layer of the cocoon can be seen very clearly and found, illuminating the cocoon, a light-condensing and light-guiding body made of optical plastic. The high-brightness LED light bar is mounted on the light guide body, light of the LED light bar is collected to the light outlet at the bottom through the light collecting structure of the light guide body by the light guide body, and the light at the light outlet can excite the cocoon layer to establish a continuous reflection light path.
In another preferred embodiment, the light-gathering light-guiding body can also be a light-gathering light-emitting body 20, which is made of metal, and the inner side of the light-gathering light-emitting body is a high-reflection mirror surface body, and the bottom surface of the light-gathering light-emitting body is a heat-dissipation mounting table 23. The light emitted by the LED lamp beads 22 is collected inside and then emitted out from the light outlet 21, so that the cocoon is illuminated. The function of the light guide is consistent with that of the light-gathering light guide.
The cocoons are placed on rollers which are longitudinally arranged, the rollers rotate towards the same direction, the rollers are made of glass tubes, the LED light-gathering light guide bodies are arranged in the glass tubes and do not rotate along with the glass rollers, the cocoons are illuminated for visual detection, and the distance between the rollers can be adjusted according to the size of the cocoons.
The conveyor belt takes two forms: the method comprises the steps of; the structure is split.
The integrated type conveying belt is characterized in that an integrated conveying belt is arranged at the bottoms of all rollers.
The split type is that a longitudinal conveyer belt, hereinafter called rolling conveyer belt, is arranged between two rollers.
The conveying belt is provided with a baffle, the baffle on the conveying belt drives the cocoons to move forwards, and the height of the conveying belt can be adjusted. And a position sensor is arranged on the conveying belt, and the cocoon can be positioned and positioned. The unit can make cocoon rotate 360 deg. and move forward.
The manipulator is hoisted in the middle of the steel frame crossing the rolling conveyer belt. A visual camera is arranged at the front end of the manipulator body and used for finding the defective cocoons, and the manipulator can grab the defective cocoons at any point within the diameter range of the manipulator. And the picked defective cocoons are respectively placed in defective cocoon classification recycling drums at two sides according to a principle of being close to each other, the number of the classification recycling drums and the classification names of the defective cocoons can be randomly sequenced and classified according to different specific requirements of users, and the mechanical arm adopts an elastic claw, so that the cocoons are not damaged.
Is arranged at the inlet end of the rolling conveyer belt. A mechanical and pneumatic carding mechanism features that a transverse beam parallel to rolling conveyer belt and reciprocating back and forth is arranged on the rolling conveyer belt, several shift rods are hung from the transverse beam, and a horizontal air jet is arranged parallel to the rolling conveyer belt for regularly and uniformly arranging cocoons on the rolling conveyer belt.
Referring to fig. 1-2, an optical plastic is used to make a 1-condensing conductor for mounting a 4-LED light bar, which is mounted in a 3-glass drum, and light beams are emitted from 7-cocoon 8-horizontal axis lower side.
In the attached figure 3, cocoon 7 is detected in 360 degrees by rotating on a glass tube roller 3. the cocoon is driven to move forward by a baffle 5 of a split type conveyer belt 9 to form a composite motion of rotation and movement. 3. The rollers are arranged in the same direction and rotate in the same direction, 3, the distance between the rollers is adjustable, 3, the rollers are made of glass and are divided into 18 inner rollers and 19 outer rollers, and 1, a light-gathering light guide body for providing illumination is arranged in the 18 inner rollers. 9. The split type conveying belt is provided with 5 baffle plates standing upwards, and the distance between the 5 baffle plates is adjustable. And (7) combing the cocoons by using a method of 13. horizontal air injection to move the deflector rod back and forth, so that the cocoons are arranged regularly.
In the attached figure 4, 12 visual cameras are arranged at the front end of 10 lifting type mechanical hands, defective cocoons can be found within the radius range of the visual cameras, and 11 elastic claws are adopted to randomly grab the defective cocoons.
In FIG. 5, defective cocoons are placed at 16 on the near side in the principle of near, and the number and the names of the classification of the 16 recycling drums on the two sides can be randomly arranged.
The above embodiments are only for the purpose of illustrating the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention within the technical scope of the present invention, and the technical solutions and concepts according to the present invention with equivalent alternatives or modifications.
Claims (10)
1. A rolling vision cocoon selection device based on total reflection excitation illumination is characterized by comprising
A plurality of glass tube rollers, wherein a gap is arranged between every two adjacent glass tube rollers, and the gap is used for placing silkworm cocoons;
the light-gathering light guide bodies are arranged in the glass tube roller and are internally provided with at least one light outlet which is inclined upwards;
the gap between adjacent glass tube rollers is adjusted, so that the light outlet of the light-focusing light guide body is positioned below the horizontal axis of the center of the silkworm cocoon, and the included angle between the incident light emitted by the light outlet of the light-focusing light guide body and the silkworm cocoon meets the critical formula of total light reflection sinC =1/n, wherein C is a critical angle, and n is a refractive index.
2. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized by further comprising an integral conveyor belt, wherein a plurality of glass tube rollers are arranged on the integral conveyor belt, and the conveyor belt is provided with baffles.
3. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized by further comprising a plurality of split conveyor belts, the split conveyor belts are arranged at the gaps between the glass tube drums.
4. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized in that the glass tube roller comprises an outer roller and an inner roller, the outer roller is made of transparent material and driven by a motor to rotate, the inner roller is fixed and a light-gathering and guiding body is arranged inside.
5. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized in that the cross section of the light-gathering light guide body is in an inverted triangle shape, light outlets are arranged at two ends of the top, and LED light bars are attached to the inner part or the outer part of two sides of the bottom.
6. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 5, characterized in that except for the light outlet, the other positions of the light-gathering light guide body are provided with a light-shielding material to prevent light from interfering with the vision camera.
7. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized in that the light-gathering light guide body is made of metal, a high-reflection specular body and an LED light source are arranged inside the light-gathering light guide body, and the LED light source is reflected and gathered by the specular body and then emitted from the light outlet.
8. The rolling vision cocoon selection device based on total reflection excitation illumination as claimed in claim 1, characterized by further comprising a lifting type manipulator, wherein an elastic claw is arranged at the bottom of the lifting type manipulator, and a vision camera is arranged on the elastic claw.
9. A rolling vision cocoon selection device based on total reflection excitation illumination as claimed in claim 2 or 3, characterized in that the conveyer belt is provided with a position sensor.
10. The rolling vision cocoon selection device based on total reflection excitation illumination of claim 1, characterized in that the cocoon selection device is provided with a reciprocating swing carding mechanism at the tail end, and a horizontal air jet is arranged at one side of the reciprocating swing carding mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793896 | 2021-08-03 | ||
| CN2021217938965 | 2021-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215628432U true CN215628432U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122271658.4U Active CN215628432U (en) | 2021-08-03 | 2021-09-18 | Rolling vision cocoon selection device based on total reflection excitation illumination |
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| Country | Link |
|---|---|
| CN (1) | CN215628432U (en) |
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2021
- 2021-09-18 CN CN202122271658.4U patent/CN215628432U/en active Active
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