CN213106961U - Quantitative cutting device based on machine vision - Google Patents
Quantitative cutting device based on machine vision Download PDFInfo
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- CN213106961U CN213106961U CN202020575550.7U CN202020575550U CN213106961U CN 213106961 U CN213106961 U CN 213106961U CN 202020575550 U CN202020575550 U CN 202020575550U CN 213106961 U CN213106961 U CN 213106961U
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Abstract
The utility model relates to a quantitative cutting device based on machine vision, which is characterized in that the quantitative cutting device comprises a material (1) to be cut, a transmission shaft (2), a cutting tool (3), a receiving bottom plate (4), a weighing device (5), a vision camera (6) and a processing unit (7); the current pixel number of the material to be cut in the visual scanning range can be recorded in real time through a visual camera, and the cutting work of a cutting tool is determined to realize quantitative cutting work according to the unit pixel weight corresponding to each variety of materials to be cut preset in a processing unit; the current pixel quantity of the material to be cut in the visual scanning range can be recorded in real time through the visual camera, and the actual weight measured in the weighing device after quantitative cutting is carried out, so that the unit pixel weight corresponding to each roll of the material to be cut of each type preset in the processing unit is corrected.
Description
Technical Field
The utility model relates to a tailor technical field of device, concretely relates to device is tailor to ration based on machine vision.
Background
In the prior art, quantitative cutting of continuously conveyed materials is a technical problem which needs to be solved urgently, and although cutting modes such as flying shears and flying saws are adopted, the cutting modes adopt a fixed-length cutting mode, and cannot be solved when an irregular shape exists in a material to be cut, and an effective solution is not yet provided in the aspect of fixed-weight cutting.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a quantitative cutting device based on machine vision.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a device is tailor to ration based on machine vision, a serial communication port, the device is tailor to the ration is including waiting to cut the material, the transmission shaft, cut the instrument, accept the bottom plate, a weighing device, the vision camera, and the processing unit, wherein, wait to cut the material and set up on the transmission shaft and follow the final vertical downstream of transmission shaft, be provided with in the below of waiting to cut the material and accept the bottom plate, the below of accepting the bottom plate is provided with the weighing device, vertical downstream's of waiting to cut the material intermediate position is provided with the instrument of tailorring, vertical downstream's of waiting to cut the material one side is provided with the vision camera, the vision camera is connected with the processing unit.
Further, the material to be sheared is a material with an irregular shape inside.
Furthermore, the materials to be cut positioned on the two sides of the transmission shaft are arranged in a right angle, an acute angle or an obtuse angle, and the materials to be cut positioned on the right side of the transmission shaft vertically move downwards.
Further, the sharp-shaped front end of the cutting tool is close to the back of the material to be cut.
Further, the sharp-pointed front end of the cutting tool is located inside the receiving floor.
Further, the vision camera obtains the total number of pixels in the vision scanning range and adjusts the rotating speed and the starting and stopping of the transmission shaft according to the obtained total number of pixels.
Furthermore, the upper end of the visual scanning range of the visual camera is the contact position of the upper end of the material to be cut and the transmission shaft, and the lower end of the visual scanning range of the visual camera is the contact position of the lower end of the material to be cut and the receiving bottom plate.
Furthermore, the unit pixel weight corresponding to each roll of the material to be cut is preset in the processing unit.
The utility model has the advantages that:
(1) the current pixel number of the material to be cut in the visual scanning range can be recorded in real time through a visual camera, and the cutting work of a cutting tool is determined to realize quantitative cutting work according to the unit pixel weight corresponding to each variety of materials to be cut preset in a processing unit;
(2) the current pixel quantity of the material to be cut in the visual scanning range can be recorded in real time through the visual camera, and the actual weight measured in the weighing device after quantitative cutting is carried out, so that the unit pixel weight corresponding to each roll of the material to be cut of each type preset in the processing unit is corrected.
Drawings
Fig. 1 is a schematic structural view of a quantitative cutting device based on machine vision of the present invention;
fig. 2 is a schematic structural diagram of the material to be cut according to the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The utility model discloses a solve the technical scheme that its technical problem adopted and do:
the utility model provides a device is tailor to ration based on machine vision, the device is tailor to the ration is including waiting to cut material 1, transmission shaft 2, cutting tool 3, accept bottom plate 4, weighing device 5, vision camera 6, and processing unit 7, wherein, wait to cut material 1 and set up on transmission shaft 2 and follow the final vertical downstream of transmission shaft 2, be provided with accept bottom plate 4 in the below of waiting to cut material 1, accept bottom plate 4's below is provided with weighing device 5, be provided with cutting tool 3 in the intermediate position of waiting to cut material 1's vertical downstream portion, be provided with vision camera 6 in the one side of waiting to cut material 1's vertical downstream portion, vision camera is connected with processing unit 7.
Specifically, the material to be cut 1 is a material with an irregular shape inside, so that quantitative cutting can be realized for the material to be cut with the irregular shape 1-1 (for example, irregular edge shape).
Specifically, the materials 1 to be cut which are positioned on the two sides of the transmission shaft 2 are arranged at right angles, acute angles or obtuse angles, the materials 1 to be cut which are positioned on the right side of the transmission shaft 2 vertically move downwards, so that the mutual interference caused by the fact that the distance between the materials 1 to be cut on the two sides is too short is avoided, and meanwhile, the materials 1 to be cut can be conveyed downwards vertically by means of the gravity of the materials 1 to be cut, so that the energy-saving effect is further achieved.
Specifically, the sharp-pointed front end of the cutting tool 3 is close to the back surface of the material 1 to be cut, so that the material 1 to be cut is cut and kept to fall above the receiving bottom plate 4 as much as possible by the force application direction while cutting is realized.
Specifically, the sharp front end of the cutting tool 3 is located inside the receiving base plate 4, so that when the cutting tool 3 is mounted and dismounted, the cutting tool 3 can be prevented from falling outside the receiving base plate 4 when falling off, and the accuracy can be prevented from being affected by the damage possibly caused by the falling off.
Specifically, the vision camera 6 acquires the total number of pixels in the vision scanning range and adjusts the rotating speed and the start and stop of the transmission shaft 2 according to the acquired total number of pixels, so that the speed adjustment of the transmission shaft 2 is realized before and after the quantitative cutting is realized, and the continuous supply of the material to be cut is avoided after the quantitative cutting is realized, so that the raw material is further saved, and the waste is avoided.
Specifically, the upper end of the visual scanning range of the visual camera 6 is the contact position between the upper end of the material 1 to be cut and the transmission shaft 2, and the lower end of the visual scanning range of the visual camera 6 is the contact position between the lower end of the material 1 to be cut and the receiving bottom plate 4, so that accurate measurement and acquisition of through holes, pits or bulges with irregular shapes in the material to be cut are achieved.
Specifically, the processing unit 7 is preset with the unit pixel weight corresponding to each roll of the material to be cut, so that quantitative cutting is realized through the number of pixels on the material to be cut, which is acquired in real time by the visual camera, and the unit pixel weight corresponding to each roll of the material to be cut, which is preset in the processing unit 7.
(1) In particular operation to determine the weight of a unit pixel,
1) the material 1 to be cut is conveyed to the visual scanning range of the visual camera 6 through the transmission shaft 2, and the total number of pixels of the material to be cut in the visual scanning range is captured by the visual camera 6;
2) the vision camera 6 records the current pixel number, transmits the current pixel number to the processing unit 7 and controls the cutting tool 3 to cut the material;
3) the weighing device 5 weighs the material just cut and transmits the weight to the processing unit 7 to calculate the unit pixel weight corresponding to the roll of material to be cut.
(2) When quantitative cutting is realized in specific work,
1) the material 1 to be cut is conveyed to the visual scanning range of the visual camera 6 through the transmission shaft 2, and the total number of pixels of the material to be cut in the visual scanning range is captured by the visual camera 6;
2) and the processing unit 7 scans the pixel quantity acquired in real time according to the preset unit pixel weight corresponding to the roll of the material to be cut and the visual scanning range of the visual camera 6, and controls the cutting tool 3 to work so as to realize quantitative cutting.
(3) In particular work to achieve unit pixel weight correction,
1) the material 1 to be cut is conveyed to the visual scanning range of the visual camera 6 through the transmission shaft 2, and the total number of pixels of the material to be cut in the visual scanning range is captured by the visual camera 6;
2) the vision camera 6 records the current pixel number, transmits the current pixel number to the processing unit 7 and controls the cutting tool 3 to cut the material;
3) the weighing device 5 weighs the weight of the material which is just cut off, and transmits the weight to the processing unit 7 to calculate the weight of the unit pixel corresponding to the roll of the material to be cut off, and the weight of the unit pixel of the material to be cut off is corrected by comparing the weight of the unit pixel with the weight of the unit pixel preset in the processing unit 7.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A quantitative cutting device based on machine vision is characterized by comprising a material (1) to be cut, a transmission shaft (2), a cutting tool (3), a bearing bottom plate (4), a weighing device (5), a vision camera (6) and a processing unit (7), wherein the material (1) to be sheared is arranged on the transmission shaft (2) and finally vertically moves downwards along with the transmission shaft (2), a receiving bottom plate (4) is arranged below the material (1) to be cut, a weighing device (5) is arranged below the receiving bottom plate (4), a cutting tool (3) is arranged in the middle of the vertical downward movement part of the material (1) to be cut, a visual camera (6) is arranged on one side of the vertically downward moving part of the material (1) to be cut and is connected with a processing unit (7).
2. The quantitative cutting device based on machine vision according to claim 1, characterized in that: the materials (1) to be cut which are positioned on the two sides of the transmission shaft (2) are arranged at right angles, acute angles or obtuse angles, and the materials (1) to be cut which are positioned on the right side of the transmission shaft (2) vertically move downwards.
3. The quantitative cutting device based on machine vision according to claim 1, characterized in that: the sharp front end of the cutting tool (3) is close to the back of the material (1) to be cut.
4. The quantitative cutting device based on machine vision according to claim 1, characterized in that: the sharp front end of the cutting tool (3) is positioned in the bearing bottom plate (4).
5. The quantitative cutting device based on machine vision according to claim 1, characterized in that: the vision camera (6) acquires the total number of pixels in a vision scanning range and adjusts the rotating speed and the start and stop of the transmission shaft (2) according to the acquired total number of pixels.
6. The quantitative cutting device based on machine vision according to claim 5, characterized in that: the upper end of the visual scanning range of the visual camera (6) is the contact position of the upper end of the material (1) to be cut and the transmission shaft (2), and the lower end of the visual scanning range of the visual camera (6) is the contact position of the lower end of the material (1) to be cut and the bearing bottom plate (4).
7. The quantitative cutting device based on machine vision according to claim 6, characterized in that: the processing unit (7) is preset with unit pixel weight corresponding to each roll of material to be cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020575550.7U CN213106961U (en) | 2020-04-17 | 2020-04-17 | Quantitative cutting device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020575550.7U CN213106961U (en) | 2020-04-17 | 2020-04-17 | Quantitative cutting device based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213106961U true CN213106961U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020575550.7U Active CN213106961U (en) | 2020-04-17 | 2020-04-17 | Quantitative cutting device based on machine vision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213106961U (en) |
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2020
- 2020-04-17 CN CN202020575550.7U patent/CN213106961U/en active Active
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