CN214472512U - Detection apparatus for offal length and mass distribution thereof - Google Patents
Detection apparatus for offal length and mass distribution thereof Download PDFInfo
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- CN214472512U CN214472512U CN202120566067.7U CN202120566067U CN214472512U CN 214472512 U CN214472512 U CN 214472512U CN 202120566067 U CN202120566067 U CN 202120566067U CN 214472512 U CN214472512 U CN 214472512U
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Abstract
A detection device for tobacco stem length and mass distribution is characterized in that: the tobacco stem placing and positioning device comprises a base, a tobacco stem placing and positioning table, a balance, a mechanical arm, a vision camera and a control screen, wherein the tobacco stem placing and positioning table, the balance and the mechanical arm are all fixedly arranged on the base, the control screen is installed on the side wall of the base in an embedded mode, the vision camera is arranged right above the tobacco stem placing and positioning table through a support fixed on the base, a sucker is installed at the front end of the mechanical arm, and a negative pressure suction hole is formed in the sucker. The utility model has the advantages that: utilize machine vision accurate discernment different length offal to pick out the pipe tobacco that needs length from the mesa through the arm, avoid the error that artificial letter sorting produced, and accurately weigh through the balance, and then calculate the long stalk rate that detects the pipe tobacco sample. The device can ensure that the detected tobacco stems with different lengths have scientific and accurate mass distribution, small error and good repeatability.
Description
Technical Field
The utility model relates to a offal detects technical field, specifically is a offal length and mass distribution's detection device based on vision control technique.
Background
After raw tobacco is subjected to threshing and redrying treatment, tobacco strips and tobacco stems are separated, a cigarette enterprise generally takes 20mm as a standard, the tobacco stems are divided into long stems (the length of the tobacco stems is more than 20 mm) and short stems (the length of the tobacco stems is less than or equal to 20 mm), the long stems are cut into stem shreds by the cigarette enterprise and directly used for cigarettes, and the short stems are processed into tobacco sheets and used as fillers for cigarettes. Therefore, the stem length of the tobacco stems is an important index controlled by threshing and redrying enterprises.
YC/146-. YC/T147-Puff 2010 quality inspection of threshed tobacco leaves stipulates that the stem growing rate of finished tobacco stems is more than 85 percent. The cigarette technical specification (Chinese light industry Press, 2016.12) stipulates that the tobacco stalk with more than 20mm in the tobacco stalk after the separation and the packaging is more than or equal to 85 percent, and the tobacco stalk with less than 6mm in the tobacco stalk is less than 5.0 percent.
Currently, the measurement of the tobacco stem structure mainly adopts a manual method to measure the length of the tobacco stem, the tobacco stems with different sizes are placed in different sample boxes, the weight of the tobacco stems is respectively weighed, and the mass percentage of the tobacco stems is calculated. The detection methods of the long stalk rate in YC/T146 and YC/T147 are consistent and are both as follows: after the tobacco stem sample components are mixed, the components are reduced to 80-120 g by a quartering method. Measuring the length of the tobacco stems by using a size plate, placing the tobacco stems with the length being more than 20mm and the tobacco stems with the length being less than or equal to 20mm on different sample trays, and respectively weighing the tobacco stems. The detection method is complicated and time-consuming, and an automatic detection device for detecting the length and the mass distribution of the tobacco stems is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a detection device of offal length and mass distribution based on vision control technique, the device is the distribution position who discerns different length offal through the vision camera, then transmit the position of every offal to the controller to grab different length offal on the balance through robotic arm and weigh, finally reach the mass distribution of different length offal, for example, the offal mass percentage who is greater than 20mm is called long stalk rate.
The purpose of the utility model is realized through the following technical scheme:
the tobacco stem length and mass distribution detection device comprises a base, a tobacco stem placing and positioning table, a balance, mechanical arms, a vision camera and a control screen, wherein the tobacco stem placing and positioning table, the balance and the mechanical arms are fixedly arranged on the base, the control screen is installed on the side wall of the base in an embedded mode, the vision camera is arranged right above the tobacco stem placing and positioning table through a support fixed on the base, a sucker is installed at the front end of each mechanical arm, and a negative pressure suction hole is formed in each sucker.
The negative pressure sucker is provided with a transverse groove which is convenient for absorbing tobacco stems, the size of the sucker corresponds to that of a short tobacco stem, and only one tobacco stem can be absorbed each time.
The base is a rectangular table structure, and the mechanical arm is arranged at one corner position of the base.
The negative pressure suction hole is connected with a negative pressure source and is controlled by the control screen, and negative pressure can be provided by a negative pressure generator or a negative pressure fan or a vacuum pump.
The tobacco stem placing and positioning table top is a calibrated positioning table top with high processing precision, the length and the width of the table top are accurate, the flatness is high, after the height position of the vision camera is set, the vision camera can establish a measurement coordinate system on the table top, and the coordinate position of the tobacco stem is accurately positioned，The tobacco stem placing and positioning device has the advantages that the visual camera and the mechanical arm can accurately grab tobacco stems, the tobacco stems are uniformly spread on the tobacco stem placing and positioning table during testing, a certain distance is kept between the tobacco stems, and less than 200g of tobacco stems can be spread on the tobacco stem placing and positioning table;
the visual camera identifies the positions of tobacco stems with different lengths on the tobacco stem placing and positioning table and transmits the positions to the control system, and the mechanical arm controls the tobacco stems with different lengths on the tobacco stem placing and positioning table to be moved to a balance to be weighed according to different length requirements through the control screen, so that the weights of the tobacco stems with different lengths are obtained.
Utilize the utility model discloses a detection device measures different length offal mass distribution, and its theory of operation is: weighing the total weight of all tobacco stems, recording W1, detecting the length of each tobacco stem through a visual camera, positioning the coordinate position of each tobacco stem, moving the tobacco stem to a balance through a mechanical arm, weighing the weight, recording W2, and calculating the mass distribution (such as short stem rate) R of the tobacco stems with different lengths: r = W2/W1.
The utility model has the outstanding characteristics of providing a detection device for measuring the length and the mass distribution of tobacco stems, having simple structure and convenient control, and being capable of eliminating human factors and improving the accuracy and the reliability of measurement.
The utility model has the advantages that: the tobacco stems with different lengths are accurately identified by using machine vision, errors caused by manual sorting are avoided, accurate weighing is carried out through a balance, the mass distribution of the detected tobacco stems with different lengths is scientific and accurate, the errors are small, good repeatability is achieved, and the whole process is automatic.
Drawings
FIG. 1 is a schematic structural view of the mechanical arm when the positioning table grabs long stems;
FIG. 2 is a schematic structural view of the robot arm of the present invention when the robot arm is moved to the sky;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic view of a chuck;
in fig. 1-4, 1, control screen; 2. a base; 3. a tobacco stem placing and positioning table; 4. a suction cup; 5. a mechanical arm; 6. a support; 7. a balance; 8. a vision camera.
Detailed Description
The utility model discloses the following further detailed description of taking in connection with the accompanying drawing:
as shown in fig. 1, 2 and 3: the utility model provides a detection apparatus for offal length and mass distribution thereof, the on-line screen storage device comprises a base 2, locating platform 3 is placed to the offal, balance 7, arm 5, vision camera 8 and control panel 1, wherein, locating platform 3 is placed to the offal, balance 7, arm 5 is all fixed to be set up on base 2, control panel 1 is embedded to be installed on the base lateral wall, vision camera 8 sets up through fixing support 6 on the base and places locating platform 3 directly over at the offal, sucking disc 4 is installed to arm 5 front end, be equipped with the negative pressure on sucking disc 4 and inhale the hole, adsorb the offal on the sucking disc through the negative pressure and shift.
The negative pressure sucker 4 is provided with a transverse groove which is convenient for absorbing tobacco stems, the size of the sucker corresponds to that of a short tobacco stem, and only one tobacco stem can be absorbed each time.
The base 1 is a rectangular table structure, and the mechanical arm 5 is arranged at one corner position of the base 2.
The negative pressure suction hole is connected with a negative pressure source and is controlled by a control screen instruction, and negative pressure can be provided by a negative pressure generator or a negative pressure fan or a vacuum pump.
The mechanical arm 6 is provided with the sucker 4, and the sucker 4 is communicated with negative pressure when tobacco stems are transferred, so that the tobacco stems are adsorbed on the sucker 4. The tobacco stem placing and positioning table 3 is a calibrated positioning table top with high processing precision, so that the visual camera 8 and the mechanical arm 6 can accurately grab tobacco stems.
During testing, all tobacco stems are placed on a balance 7 to be weighed, the control screen records weight W1, then the tobacco stems are uniformly spread on a tobacco stem placement positioning table 4, a certain distance is required to be kept between the tobacco stems, the vision camera 8 carries out image acquisition and then carries out background calculation to judge the length and the position of the tobacco stems, data are sent to the control screen 1, the control screen 1 controls a mechanical arm 6 to grab the tobacco stems with required length one by one, the suction disc 4 is electrified with negative pressure during grabbing to adsorb the tobacco stems on the suction disc 4, the mechanical arm 6 is rotated to the position above the balance 7, the negative pressure of the suction disc 4 is closed, the tobacco stems fall on the balance 7, and after all the required tobacco stems are transferred, the weight W2 of the tobacco stems is recorded.
The control screen obtains the mass ratio of tobacco stems with different lengths through calculation, wherein R is: r = W2/W1.
Claims (5)
1. A detection device for tobacco stem length and mass distribution is characterized in that: the tobacco stem placing and positioning device comprises a base, a tobacco stem placing and positioning table, a balance, a mechanical arm, a vision camera and a control screen, wherein the tobacco stem placing and positioning table, the balance and the mechanical arm are all fixedly arranged on the base, the control screen is installed on the side wall of the base in an embedded mode, the vision camera is arranged right above the tobacco stem placing and positioning table through a support fixed on the base, a sucker is installed at the front end of the mechanical arm, and a negative pressure suction hole is formed in the sucker.
2. The device for detecting the length and the mass distribution of the tobacco stems according to claim 1, is characterized in that: the negative pressure sucker is provided with a transverse groove which is convenient for absorbing tobacco stems.
3. The device for detecting the length and the mass distribution of the tobacco stems according to claim 1, is characterized in that: the base is a rectangular table structure, and the mechanical arm is arranged at one corner position of the base.
4. The device for detecting the length and the mass distribution of the tobacco stems according to claim 1, is characterized in that: the negative pressure suction hole is connected with a negative pressure source and is controlled by the control screen.
5. The device for detecting the length and the mass distribution of the tobacco stems according to claim 1, is characterized in that: the tobacco stem placing and positioning table top is a calibrated positioning table top with high processing precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566067.7U CN214472512U (en) | 2021-03-19 | 2021-03-19 | Detection apparatus for offal length and mass distribution thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120566067.7U CN214472512U (en) | 2021-03-19 | 2021-03-19 | Detection apparatus for offal length and mass distribution thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214472512U true CN214472512U (en) | 2021-10-22 |
Family
ID=78157630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120566067.7U Active CN214472512U (en) | 2021-03-19 | 2021-03-19 | Detection apparatus for offal length and mass distribution thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214472512U (en) |
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2021
- 2021-03-19 CN CN202120566067.7U patent/CN214472512U/en active Active
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