CN214843026U - Device for detecting width and thickness of wood by laser ranging sensor - Google Patents
Device for detecting width and thickness of wood by laser ranging sensor Download PDFInfo
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- CN214843026U CN214843026U CN202121381187.6U CN202121381187U CN214843026U CN 214843026 U CN214843026 U CN 214843026U CN 202121381187 U CN202121381187 U CN 202121381187U CN 214843026 U CN214843026 U CN 214843026U
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Abstract
The utility model discloses a laser rangefinder sensor detects timber width, thickness device, including first conveyer belt, second conveyer belt, support and bottom plate, one side fixed mounting that first curb plate is close to the second conveyer belt has first width laser rangefinder sensor, and one side fixed mounting that the second curb plate is close to first conveyer belt has second width laser rangefinder sensor, and the bottom fixed mounting of support has first thickness laser rangefinder sensor, and the top fixed mounting of bottom plate has second thickness laser rangefinder sensor. Through the first conveyer belt, the second conveyer belt, first width laser rangefinder sensor, second width laser rangefinder sensor, first thickness laser rangefinder sensor and the laser rangefinder sensor of second thickness that set up, first width laser rangefinder sensor, second width laser rangefinder sensor, first thickness laser rangefinder sensor and second thickness laser rangefinder sensor can detect the position that timber is different wide, thick.
Description
Technical Field
The utility model belongs to the technical field of timber detects, concretely relates to laser rangefinder sensor detects timber wide, thickness device.
Background
At present, old timber is recycled, the main source of the timber is the demolition of a wooden frame tile house in the last century, the old timber can be reused due to the corrosion-resistant property of the wood, and the timber needs to be of a roughly uniform size for processing convenience.
The prior art mainly has two methods for detecting the width and the thickness of timber (including but not limited to old building timber), one is manual sorting, and workers measure a plurality of positions on the timber by calipers to determine the application width and the thickness of the timber, and the method has the disadvantages that: the detection efficiency is low, the speed is low, the lower process is influenced, the number of workers is increased, and the cost is inevitably increased; the precision is low, the resolution ratio is low, the span of each grade of wood is large, and raw materials are seriously wasted; secondly, a laser ranging method is adopted, when the timber is conveyed, the laser passes through a laser ranging sensor, the laser is used for measuring at a plurality of points on the surface of the timber, the numerical values of the bit width and the thickness of a plurality of points in the whole length of the section of the timber are obtained, the lowest point of the timber in the numerical values is used as the applicable width and the applicable thickness of the timber, although the yield and the precision are improved, the detection accuracy rate is lower for the timber (including but not limited to the old building timber) with the irregular surface of the timber because the surface of the timber (including but not limited to the old building timber) has pits, wormholes, nailed holes and defects, the laser ranging sensor irradiates the timber (including but not limited to the old building timber) with a laser point which is difficult to avoid irradiating the defective places, at this time, if the value of the lowest point of the timber (including but not limited to the old building timber) is taken, the applicable width and the applicable thickness of the timber (including but not limited to the old building timber) are not avoided, the material is seriously wasted in the subsequent process, the detection accuracy is in inverse proportion to the defects on the surface of the wood, the detection accuracy is lower when the surface defects of the wood (including but not limited to the old building wood) are more, particularly when the old building wood is recycled, the surface defects of the wood (including but not limited to the old building wood) are large, and the detection accuracy is very low.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a laser rangefinder sensor detects timber width, thickness device has solved the mode that adopts laser rangefinder sensor to carry out the range finding, because ligneous surface defect is many, the problem that the detection rate of accuracy that leads to is low.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laser rangefinder sensor detects wide, thickness device of timber, includes first conveyer belt, second conveyer belt, support and bottom plate, the actuating lever has all been cup jointed at the inside both ends of first conveyer belt and second conveyer belt, the top fixed mounting of bottom plate has first curb plate, the top fixed mounting of bottom plate has the second curb plate, one side fixed mounting that first curb plate is close to the second conveyer belt has first width laser rangefinder sensor, one side fixed mounting that the second curb plate is close to first conveyer belt has second width laser rangefinder sensor, the bottom fixed mounting of support has first thickness laser rangefinder sensor, the top fixed mounting of bottom plate has second thickness laser rangefinder sensor.
Preferably, a driven gear is fixedly mounted on the front surface of one of the two driving rods, a driving gear is meshed with the bottom of the driven gear, and a driving motor is fixedly mounted on the front surface of the driving gear.
Through adopting above-mentioned technical scheme, the advantage lies in, starts driving motor, utilizes driving motor to drive the driving gear and rotates, because the looks meshing effect between driving gear and the driven gear, so driven gear rotates, and driven gear drives the actuating lever and rotates, and first conveyer belt and second conveyer belt just carry timber.
Preferably, the first side plate is located on one side of the second conveyor belt away from the first conveyor belt, and the second side plate is located on one side of the first conveyor belt away from the second conveyor belt.
Through adopting above-mentioned technical scheme, the advantage lies in, makes first width laser ranging sensor and second width laser ranging sensor be located ligneous both sides to can carry out width measurement work.
Preferably, two ends of the support are respectively and fixedly connected with the first side plate and the second side plate, and the bottom plate is fixedly installed at the bottoms of the first side plate and the second side plate.
Through adopting above-mentioned technical scheme, the advantage lies in, with the fixed position between support, first curb plate, second curb plate and the bottom plate, makes the device can normal operation.
Preferably, the number of the first width laser ranging sensors is at least two, and the number of the second width laser ranging sensors is the same as that of the first width laser ranging sensors.
By adopting the technical scheme, the method has the advantages of being suitable for the wood with different specifications and sizes and improving the accuracy of width measurement.
Preferably, the first width laser ranging sensor corresponds to the second width laser ranging sensor in position, and the first thickness laser ranging sensor corresponds to the second thickness laser ranging sensor in position.
Through adopting above-mentioned technical scheme, the advantage lies in, utilizes first width laser rangefinder sensor and second width laser rangefinder sensor to carry out the width measurement to timber simultaneously, has improved the accuracy to timber width measurement, utilizes first thickness laser rangefinder sensing and second thickness laser rangefinder sensor to measure timber's thickness simultaneously, has improved the accuracy to timber thickness measurement.
Preferably, the first side plate and the second side plate are fixedly provided with supporting rollers inside, and the supporting rollers are sleeved inside the first conveyor belt and the second conveyor belt.
Through adopting above-mentioned technical scheme, the advantage lies in, through the backing roll that sets up, has increased the support intensity of first conveyer belt and second conveyer belt, is favorable to the transport to timber.
Preferably, four support legs are fixedly mounted at the bottom of the bottom plate.
Through adopting above-mentioned technical scheme, the advantage lies in, four supporting legs are rectangle symmetry fixed mounting in the bottom of bottom plate, through the supporting leg that sets up, play the effect of supporting the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the first conveyer belt that sets up, the second conveyer belt, first width laser rangefinder sensor, second width laser rangefinder sensor, first thickness laser rangefinder sensor and second thickness laser rangefinder sensor, put timber at the top of first conveyer belt and second conveyer belt, utilize first width laser rangefinder sensor and second width laser rangefinder sensor to detect the width of timber, utilize first thickness laser rangefinder sensor and second thickness laser rangefinder sensor to detect the thickness of timber, along with the operation of first conveyer belt and second conveyer belt, first width laser rangefinder sensor, second width laser rangefinder sensor, first thickness laser rangefinder sensor and second thickness laser rangefinder sensor can carry out the width to the position that timber is different, thick detects.
2. By optimizing the value calculation mode of the laser ranging sensor, the detection accuracy rate can be improved for the wood with more surface defects, the accuracy rate of sorting the old building wood is improved to 98 percent, the raw materials are effectively saved, and the material utilization rate is improved; compared with the prior laser detection algorithm, the method has the advantages that the efficiency is improved, the productivity is improved, the materials are saved, the utilization rate is improved, the labor cost is reduced, the original grade of 5mm is reduced to the grade of 2mm, so that the purposes of energy saving and environment protection are achieved, the original detection accuracy is improved to 98 percent from 70 percent, the waste of raw materials is avoided, and the secondary screening is avoided; the width and the thickness of the sorted wood are basically equal, the planing of the lower process is reduced, the environment is greatly protected, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall appearance three-dimensional structure of the present invention;
fig. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
fig. 4 is a schematic top structure diagram of the present invention.
In the figure: 1. a first conveyor belt; 2. a second conveyor belt; 3. a drive rod; 4. a driven gear; 5. a driving gear; 6. a drive motor; 7. a first side plate; 8. a second width laser ranging sensor; 9. a first width laser ranging sensor; 10. a support; 11. a first thickness laser ranging sensor; 12. a base plate; 13. a second thickness laser ranging sensor; 14. a support roller; 15. supporting legs; 16. a second side plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: a device for detecting the width and thickness of wood by a laser ranging sensor comprises a first conveyor belt 1, a second conveyor belt 2, a support 10 and a bottom plate 12, wherein driving rods 3 are sleeved at two ends of the interior of the first conveyor belt 1 and the second conveyor belt 2, a first side plate 7 is fixedly installed at the top of the bottom plate 12, the first side plate 7 is positioned at one side of the second conveyor belt 2, which is far away from the first conveyor belt 1, a second side plate 16 is fixedly installed at the top of the bottom plate 12, the second side plate 16 is positioned at one side of the first conveyor belt 1, which is far away from the second conveyor belt 2, two ends of the support 10 are respectively fixedly connected with the first side plate 7 and the second side plate 16, the bottom plate 12 is fixedly installed at the bottoms of the first side plate 7 and the second side plate 16, a first width laser ranging sensor 9 is fixedly installed at one side of the first side plate 7, which is near the second conveyor belt 1, a second width laser ranging sensor 8 is fixedly installed at one side of the second side plate 16, which is near the first conveyor belt 1, the quantity of first width laser ranging sensor 9 is two at least, and second width laser ranging sensor 8 is the same with first width laser ranging sensor 9's quantity, and first width laser ranging sensor 9 and second width laser ranging sensor 8's position is corresponding, and the bottom fixed mounting of support 10 has first thickness laser ranging sensor 11, and the top fixed mounting of bottom plate 12 has second thickness laser ranging sensor 13, and first thickness laser ranging sensor 11 and second thickness laser ranging sensor 13's position is corresponding.
In this embodiment, the driving rod 3 is rotated, the driving rod 3 drives the first conveyor belt 1 and the second conveyor belt 2 to rotate, then the wood is placed at the top of the adjacent first conveyor belt 1 and the second conveyor belt 2, along with the operation of the driving motor 6, the first conveyor belt 1 and the second conveyor belt 2 convey the wood to the inside of the support 10, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 detect the thickness of the wood, the first width laser ranging sensor 9 and the second width laser ranging sensor 8 detect the width of the wood, and under the continuous operation of the first conveyor belt 1 and the second conveyor belt 2, the first width laser ranging sensor 9, the second width laser ranging sensor 8, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 can perform width ranging on different positions of the wood, Detecting the thickness of the wood, wherein the width of the wood is the distance between a first width laser ranging sensor 9 and a second width laser ranging sensor 8 minus the distance measured by the first width laser ranging sensor 9 and the distance measured by the second width laser ranging sensor 8, the thickness of the wood is the distance between a first thickness laser ranging sensor 11 and a second thickness laser ranging sensor 13 minus the distance measured by the first thickness laser ranging sensor 11 and the distance measured by the second thickness laser ranging sensor 13, the wood is placed on the top of the first conveyor belt 1 and the second conveyor belt 2 through the arranged first conveyor belt 1, the second conveyor belt 2, the first width laser ranging sensor 9, the second width laser ranging sensor 8, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13, the width of the wood is detected by the first width laser ranging sensor 9 and the second width laser ranging sensor 8, utilize first thickness laser rangefinder sensor 11 and second thickness laser rangefinder sensor 13 to detect the thickness of timber, along with the operation of first conveyer belt 1 and second conveyer belt 2, first width laser rangefinder sensor 9, second width laser rangefinder sensor 8, first thickness laser rangefinder sensor 11 and second thickness laser rangefinder sensor 13 can detect the position that the timber is different wide, thick.
Example two:
as shown in fig. 1-4, on the basis of the first embodiment, the utility model provides a technical solution: a driven gear 4 is fixedly mounted on the front face of one of the two driving rods 3, a driving gear 5 is meshed with the bottom of the driven gear 4, and a driving motor 6 is fixedly mounted on the front face of the driving gear 5.
In this embodiment, start driving motor 6, utilize driving motor 6 to drive driving gear 5 and rotate, because the looks meshing effect between driving gear 5 and the driven gear 4, so driven gear 4 rotates, and driven gear 4 drives actuating lever 3 and rotates, and first conveyer belt 1 just carries timber with second conveyer belt 2.
Example three:
as shown in fig. 1-4, on the basis of the first embodiment and the second embodiment, the utility model provides a technical solution: the supporting rollers 14 are fixedly mounted inside the first side plate 7 and the second side plate 16, and the supporting rollers 14 are sleeved inside the first conveyor belt 1 and the second conveyor belt 2.
In the embodiment, the supporting rollers 14 are arranged, so that the supporting strength of the first conveyor belt 1 and the second conveyor belt 2 is increased, and the conveying of wood is facilitated.
Example four:
as shown in fig. 1-4, on the basis of the first embodiment, the second embodiment and the third embodiment, the utility model provides a technical solution: four support legs 15 are fixedly mounted at the bottom of the bottom plate 12.
In this embodiment, four supporting legs 15 are rectangle symmetry fixed mounting in the bottom of bottom plate 12, through the supporting leg 15 that sets up, play the effect of supporting bottom plate 12.
The utility model discloses a theory of operation and use flow: the model of the first width laser ranging sensor 9, the second width laser ranging sensor 8, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 is SW-LDS50A, when in use, the driving motor 6 is started, the driving motor 6 drives the driving gear 5 to rotate, the driving gear 5 drives the driven gear 4 to rotate, the driven gear 4 drives the driving rod 3 to rotate, so that the first conveyor belt 1 and the second conveyor belt 2 rotate, then the timber is placed on the top of the adjacent first conveyor belt 1 and the second conveyor belt 2, the first conveyor belt 1 and the second conveyor belt 2 convey the timber to the inside of the support 10 along with the operation of the driving motor 6, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 detect the thickness of the timber, the first width laser ranging sensor 9 and the second width laser ranging sensor 8 detect the width of the timber, under the continuous operation of the first conveyor belt 1 and the second conveyor belt 2, the first width laser ranging sensor 9, the second width laser ranging sensor 8, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 can detect the width and the thickness of the wood at different positions, the width of the wood is the distance between the first width laser ranging sensor 9 and the second width laser ranging sensor 8 minus the distance measured by the first width laser ranging sensor 9 and the distance measured by the second width laser ranging sensor 8, the thickness of the wood is the distance between the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13 minus the distance measured by the first thickness laser ranging sensor 11 and the distance measured by the second thickness laser ranging sensor 13, firstly, an operator of the device fills a lower difference value according to the regularity of the current batch of wood, if the difference between the widest part and the narrowest part or between the thickest part and the thinnest part of the timber is smaller, the lower difference can be filled in slightly, if the difference between the widest part and the narrowest part or between the thickest part and the thinnest part of the wood is large, the lower difference value needs to be filled in, after data are obtained by using the first width laser ranging sensor 9, the second width laser ranging sensor 8, the first thickness laser ranging sensor 11 and the second thickness laser ranging sensor 13, the highest point value of the wood is taken, the highest point value is taken as an upper reference, the lowest point (thinnest or narrowest) of the timber detection values is taken within the range of the lower difference value and is the applicable size (width or thickness) of the timber, if there is no lowest point in the range, the value obtained by subtracting the lower difference from the value of the highest point (thickest or widest) is the applicable size (width or thickness) of the wood.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a laser rangefinder sensor detects timber width, thickness device, includes first conveyer belt (1), second conveyer belt (2), support (10) and bottom plate (12), its characterized in that: the driving rods (3) are sleeved at two ends of the inner portions of the first conveyor belt (1) and the second conveyor belt (2), a first side plate (7) is fixedly mounted at the top of the bottom plate (12), a second side plate (16) is fixedly mounted at the top of the bottom plate (12), a first width laser ranging sensor (9) is fixedly mounted at one side, close to the second conveyor belt (2), of the first side plate (7), a second width laser ranging sensor (8) is fixedly mounted at one side, close to the first conveyor belt (1), of the second side plate (16), a first thickness laser ranging sensor (11) is fixedly mounted at the bottom of the support (10), and a second thickness laser ranging sensor (13) is fixedly mounted at the top of the bottom plate (12).
2. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: two the positive fixed mounting of one of them in actuating lever (3) has driven gear (4), the bottom meshing of driven gear (4) has driving gear (5), the positive fixed mounting of driving gear (5) has driving motor (6).
3. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the first side plate (7) is positioned on one side, away from the first conveyor belt (1), of the second conveyor belt (2), and the second side plate (16) is positioned on one side, away from the second conveyor belt (2), of the first conveyor belt (1).
4. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the two ends of the support (10) are respectively fixedly connected with the first side plate (7) and the second side plate (16), and the bottom plate (12) is fixedly installed at the bottoms of the first side plate (7) and the second side plate (16).
5. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the number of the first width laser ranging sensors (9) is at least two, and the number of the second width laser ranging sensors (8) is the same as that of the first width laser ranging sensors (9).
6. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the positions of the first width laser ranging sensor (9) and the second width laser ranging sensor (8) are corresponding, and the positions of the first thickness laser ranging sensor (11) and the second thickness laser ranging sensor (13) are corresponding.
7. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the inside fixed mounting of first curb plate (7) and second curb plate (16) has backing roll (14), backing roll (14) cup joint in the inside of first conveyer belt (1) and second conveyer belt (2).
8. The device for detecting the width and the thickness of the wood by the laser ranging sensor as claimed in claim 1, wherein: the bottom of the bottom plate (12) is fixedly provided with four supporting legs (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121381187.6U CN214843026U (en) | 2021-06-21 | 2021-06-21 | Device for detecting width and thickness of wood by laser ranging sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121381187.6U CN214843026U (en) | 2021-06-21 | 2021-06-21 | Device for detecting width and thickness of wood by laser ranging sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091265A (en) * | 2022-06-08 | 2022-09-23 | 安庆帝伯格茨活塞环有限公司 | Piston ring deviation detection equipment and detection method |
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2021
- 2021-06-21 CN CN202121381187.6U patent/CN214843026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091265A (en) * | 2022-06-08 | 2022-09-23 | 安庆帝伯格茨活塞环有限公司 | Piston ring deviation detection equipment and detection method |
| CN115091265B (en) * | 2022-06-08 | 2024-05-28 | 安庆帝伯格茨活塞环有限公司 | Piston ring deviation detection equipment and detection method |
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