CN115350931A

CN115350931A - Veneer vision intelligent recognition letter sorting production line

Info

Publication number: CN115350931A
Application number: CN202211140676.1A
Authority: CN
Inventors: 李梦真; 陈娟; 李�杰
Original assignee: Shandong Changxing Wood Industry Machinery Co ltd
Current assignee: Shandong Changxing Wood Industry Machinery Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-11-18

Abstract

The invention discloses a veneer visual intelligent recognition sorting production line, which comprises a feeding machine, a conveying mechanism, a visual recognition system and a sorting stacking mechanism, wherein the feeding machine is used for feeding veneer visual intelligent recognition sorting production lines; the feeding mechanism is arranged at one end of the conveying mechanism, and the sorting and stacking mechanism is arranged at the other end of the conveying mechanism; the visual recognition system is arranged above the conveying mechanism and is provided with a scanning camera; the feeding machine comprises a feeding mechanism and a steering transmission mechanism, and the feeding mechanism is arranged on one side of the steering transmission mechanism; the steering transmission mechanism comprises a rack I, a guide mechanism and a conveying mechanism; the conveying mechanism comprises a supporting arm, a motor II, a rotating shaft I, a cylinder and a bracket; the sorting and stacking mechanism comprises a rack II, a box body, a negative pressure fan, a belt conveying mechanism, a pressing mechanism, an aligning mechanism and a stacking mechanism. The invention rapidly finishes the sorting and stacking of the wood veneers by the sorting and stacking mechanism and the scanning camera.

Description

Veneer vision intelligent recognition letter sorting production line

Technical Field

The invention belongs to the technical field of wood veneer processing and production, and particularly relates to a veneer visual intelligent identification and sorting production line.

Background

At present, the wood veneers are sorted according to the quality grade, the wood veneers are usually sorted by means of the mutual matching of 1-2 workers, the labor intensity of operators is high, and the requirements of telling a veneer conveying production line are difficult to meet;

sorting by using a mechanical device, but some problems still exist, wherein the connection between the devices is not compact, manual supervision is needed, and workers are needed to assist in solving and avoiding the influence on the transmission of subsequent wood veneers when the transmission of the wood veneers is blocked; meanwhile, when the position-by-position stacking is carried out according to the quality, the situation that the stacking position is missed due to untimely falling of the wood veneer can occur.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a veneer visual intelligent identification sorting production line, which realizes visual intelligent identification through a sorting and stacking mechanism and a scanning camera and quickly finishes the sorting and stacking of wood veneers.

In order to achieve the purpose, the invention adopts the technical scheme that:

a veneer visual intelligent recognition sorting production line comprises a feeding machine, a conveying mechanism, a visual recognition system and a sorting stacking mechanism; the feeding mechanism is arranged at one end of the conveying mechanism, and the sorting and stacking mechanism is arranged at the other end of the conveying mechanism; the feeding machine comprises a feeding mechanism and a steering transmission mechanism, and the feeding mechanism is arranged on one side of the steering transmission mechanism; the visual recognition system is arranged above the conveying mechanism; .

The visual recognition system comprises a scanning camera, a support, a detection station and a photoelectric sensor, wherein the scanning camera comprises one or more of a linear array camera and an area array camera, the scanning camera, the detection station and the photoelectric sensor are arranged on the support, and the wood veneer is conveyed to pass through the lower part of the support in the visual recognition system and is set as the detection station.

The steering transmission mechanism comprises a rack I, a guide mechanism and a conveying mechanism; guiding mechanism and conveying mechanism locate on frame I, and I one side of frame is equipped with the baffle.

The guide mechanism comprises a motor I, a roll shaft and a guide plate; the roller shaft is provided with a plurality of rollers and fixed on the frame I through bearing seats, the end part of the roller shaft is provided with a chain wheel, and an output shaft of the motor I is provided with the chain wheel and connected with the chain wheel at the end part of the roller shaft through a chain; the deflector is located between the adjacent roller, and the deflector slant sets up and passes through the bolt fastening on frame I.

The conveying mechanism comprises a supporting arm, a motor II, a rotating shaft I, a cylinder and a bracket; the two ends of the rotating shaft I are fixed on the frame I through bearing seats, the air cylinder is fixed on the frame I through a fixing seat, the air cylinder top shaft is rotatably connected with a support, a supporting plate and a belt conveying mechanism are arranged on the support, the motor II is fixed at one end of the frame I, and the supporting plate is arranged between adjacent roller shafts; support arm one end rotates linking bridge, other end fixed connection axis of rotation I.

The sorting and stacking mechanism comprises a rack II, a box body, a negative pressure fan, a belt conveying mechanism, a pressing mechanism, an aligning mechanism and a stacking mechanism; the machine frame II is provided with a bearing box body, a negative pressure fan, a belt conveying mechanism, a pressing mechanism and an aligning mechanism, and the stacking mechanism is arranged below the machine frame II; the box body is internally provided with a supporting plate and a partition plate, the two ends of the supporting plate are fixedly connected with the box body, the partition plate is fixedly connected with the box body and the supporting plate, the supporting plate and the partition plate are mutually matched to divide the box body into a plurality of adsorption bins, and each adsorption bin corresponds to a set of pressing mechanism, negative pressure fan and stacking mechanism; the belt conveying mechanism is located below the box body, the aligning mechanisms are located on two sides of the box body, and the pressing mechanism is fixed on the box body.

Push down the mechanism and include motor III, linking arm I, connecting rod I, linking arm II, axis of rotation II, connecting rod II, a slide rail, connecting rod III, the fixed arm, the slider, push down the arm, motor III is fixed at the box top, III axle heads of motor and I fixed connection of linking arm, I one end of connecting rod rotate with linking arm I to be connected, the other end rotates with linking arm II to be connected, II one end of linking arm rotate and connects axis of rotation II, II both ends of axis of rotation are fixed on the box outer wall through the bearing frame, II other ends of linking arm rotate and connect connecting rod III, III one end of connecting rod rotate and connect the arm of pushing down, push down in the clearance between box inner wall and fagging is located to the arm, push down arm one side and be equipped with slide rail and fixed connection, the fixed arm is fixed on the fagging, the fixed arm both ends are equipped with slider and sliding connection slide rail.

Further, the sorting process of the veneer visual intelligent recognition sorting production line comprises the following steps:

1) Feeding, wherein the single board is fed through a feeding mechanism;

2) Conveying, namely conveying the loaded veneer into a visual recognition system through a conveying mechanism;

3) Visual identification, wherein a visual identification system scans and discriminates and determines quality grades through a camera;

4) And (4) sorting and stacking, wherein the single plates after quality grading are graded, stacked and recycled through a sorting and stacking mechanism.

Preferably, a steering conveying mechanism is arranged between the step 1) and the step 2), the loaded veneer is rotated and conveyed by 90 degrees through the steering conveying mechanism to enter the next group of conveying mechanism, and the use field of the veneer visual intelligent recognition sorting production line can be better saved.

Compared with the prior art, the invention has the beneficial effects that:

1) The sorting and stacking mechanism is internally provided with a pressing mechanism, and the wood veneers after quality classification can be quickly pressed down to fall into corresponding stacking positions for stacking through the pressing mechanism; the motor III provides power, and the lower pressing arm is driven by the rotating shaft II to slide up and down along the sliding rail; when the wood veneers are scanned by a camera and are screened to determine quality grades, the wood veneers enter a sorting and stacking mechanism through a conveying mechanism III, the wood veneers are adsorbed on a belt of a belt conveying mechanism through a negative pressure fan in the sorting and stacking mechanism to be conveyed, the wood veneers are pressed down to be separated from the belt by using a pressing arm in a corresponding pressing mechanism and naturally fall into the stacking mechanism to be stacked according to different stacking positions of the quality grades, and finally the stacked wood veneers are aligned by using an aligning mechanism to finish sorting and stacking of the wood veneers;

2) The motor I drives the roll shaft to rotate, and the solid wood veneer slides to the baffle along the direction of the guide plate; then, the support is pushed to rise through the air cylinder top shaft, so that the belt conveying mechanism is higher than the roller shaft and the guide plate, and the belt is driven by the motor II to convey the wood veneer; after the conveying is finished, the top shaft of the air cylinder resets, the support and the belt reset and reduce, and the conveying of the roller shaft and the guide plate to the wood veneer is prevented from being influenced.

Drawings

FIG. 1 is a schematic structural diagram of a veneer visual intelligent recognition sorting production line of the present invention;

FIG. 2 is a schematic structural diagram of the feeder in FIG. 1;

FIG. 3 is a schematic structural view of the conveying mechanism of FIG. 2;

FIG. 4 is a schematic structural view of the guide mechanism of FIG. 2;

FIG. 5 is a schematic diagram of the pick and place palletizer mechanism of FIG. 1;

FIG. 6 is a schematic view showing an internal structure of the case of FIG. 1;

FIG. 7 is an enlarged schematic view of the structure of the depressing mechanism in FIG. 1;

in the figure: 1. a feeding machine; 101. a steering transmission mechanism; 1011. a frame I; 10111. a baffle plate; 1012. a guide mechanism; 10121. a motor I; 10122. a roll shaft; 10123. a guide plate; 1013. a conveying mechanism; 10131. a support arm; 10132. a motor II; 10133. a rotating shaft I; 10134. a cylinder; 10135. a support; 102. a feeding mechanism; 2. a transport mechanism; 5. a visual recognition system; 7. a sorting and stacking mechanism; 701. a frame II; 702. a box body; 7021. a supporting plate; 7022. a partition plate; 703. a negative pressure fan; 704. a belt conveying mechanism; 705. a pressing mechanism; 7051. a motor III; 7052. a connecting arm I; 7053. a connecting rod I; 7054. a connecting arm II; 7055. a rotating shaft II; 7056. a connecting rod II; 7057. a slide rail; 7058. a connecting rod III; 7059. a fixed arm; 70510. a slider; 70511. a pressing arm; 706. an alignment mechanism; 707. a stacking mechanism; 8. a wood veneer.

Detailed Description

For the understanding of the technical field, the technical solution of the present invention is further explained in detail with reference to the accompanying drawings 1-7.

A veneer visual intelligent recognition sorting production line comprises a feeding machine 1, a conveying mechanism 2, a visual recognition system 5 and a sorting and stacking mechanism 7; the feeding mechanism 102 is arranged at one end of the conveying mechanism 2, and the sorting and stacking mechanism 7 is arranged at the other end of the conveying mechanism 2; the visual recognition system 5 is arranged above the conveying mechanism 2; the conveying mechanism 2 adopts a conventional belt conveying mode to convey, the wood veneers 8 are fed to the conveying mechanism 2 through the feeding machine 1 and then conveyed to the sorting and stacking mechanism 7 through the conveying mechanism 2, the wood veneers 8 are scanned through the scanning camera in the conveying process to confirm the quality grades, and then the wood veneers are correspondingly sorted according to the quality grades in the sorting and stacking mechanism 7; the conveying mechanism 2 comprises a correcting conveying mechanism and a transition conveying mechanism, the correcting conveying mechanism comprises a mounting frame, a backup plate and a roller shaft which is obliquely arranged, the wood veneer 8 is conveyed by the roller shaft and then is aligned with the backup plate and conveyed to finish correction, and the transition conveying mechanism is used for transition connection and transmission of the correcting conveying mechanism and other mechanisms;

the feeding machine 1 comprises a feeding mechanism 102 and a steering conveying mechanism 101, wherein the feeding mechanism 102 is arranged on one side of the steering conveying mechanism 101, a vacuum fan on the feeding mechanism 102 is matched with a sucker to feed a single wood veneer into the steering conveying mechanism 101, and the steering conveying mechanism 101 conveys the wood veneer 8 into the conveying mechanism 2.

The steering transmission mechanism 101 comprises a frame I1011, a guide mechanism 1012 and a conveying mechanism 1013; the guide mechanism 1012 and the conveying mechanism 1013 are arranged on a machine frame I1011, and a baffle 10111 is arranged on one side of the machine frame I1011; the right-angle transfer of the wood veneer 8 is completed through the cooperation of the guide mechanism 1012 and the conveying mechanism 1013.

The guide mechanism 1012 comprises a motor I10121, a roller shaft 10122 and a guide plate 10123; a plurality of roller shafts 10122 are arranged and fixed on the rack I1011 through bearing seats, chain wheels are arranged at the end parts of the roller shafts 10122, chain wheels are arranged on output shafts of the motors I10121 and are connected with the chain wheels at the end parts of the roller shafts 10122 through chains; the deflector 10123 is located between the adjacent roller 10122, and deflector 10123 slant sets up and passes through the bolt fastening on frame I1011, and deflector 10123 plays transition guiding's effect between roller 10122. (ii) a

The conveying mechanism 1013 comprises a supporting arm 10131, a motor II 10132, a rotating shaft I10133, a cylinder 10134 and a bracket 10135; the two ends of the rotating shaft I10133 are fixed on a rack I1011 through bearing seats, the cylinder 10134 is fixed on the rack I1011 through a fixing seat, the top shaft of the cylinder 10134 is rotatably connected with a support 10135, a supporting plate and a belt conveying mechanism are arranged on the support 10135, the motor II 10132 is fixed at one end of the rack I1011, the supporting plate is arranged between adjacent roller shafts 10122, and the supporting plate is used for supporting a belt; the motor II 10132 drives the belt to convey; support arm 10131 one end rotates linking bridge 10135, other end fixed connection axis of rotation I10133.

The motor I10121 drives the roll shaft 10122 to rotate the solid wood single plate 8 to slide to the baffle 10111 along the direction of the guide plate 10123; then, the air cylinder 10134 pushes the support 10135 to ascend, so that the belt conveying mechanism is higher than the roller shaft 10122 and the guide plate 10123, and the motor II 10132 drives the belt to convey the wood veneer 8; after the conveying is finished, the top shaft of the air cylinder 10134 is reset, the support 10135 and the belt are reset and lowered, and the conveying of the wood veneer 8 by the roll shaft 10122 and the guide plate 10123 is prevented from being influenced.

The sorting and stacking mechanism 7 comprises a rack II 701, a box body 702, a negative pressure fan 703, a belt conveying mechanism 704, a pressing mechanism 705, an aligning mechanism 706 and a stacking mechanism 707; the machine frame II 701 comprises a bearing box body 702, a negative pressure fan 703, a belt conveying mechanism 704, a pressing mechanism 705 and an aligning mechanism 706, wherein a stacking mechanism 707 is arranged below the machine frame II 701; a supporting plate 7021 and a partition 7022 are arranged inside the box 702, two ends of the supporting plate 7021 are fixedly connected with the box 702, the partition 7022 is fixedly connected with the box 702 and the supporting plate 7021, the supporting plate 7021 and the partition 7022 are matched with each other to divide the box 702 into a plurality of adsorption bins, and each adsorption bin corresponds to a set of pressing mechanism 705, a negative pressure fan 703 and a stacking mechanism 707; the belt conveying mechanism 704 is located below the box 702, the aligning mechanism 706 is located on both sides of the box 702, and the pressing mechanism 705 is fixed on the box 702.

The lower pressing mechanism 705 comprises a motor III 7051, a connecting arm I7052, a connecting rod I7053, a connecting arm II 7054, a rotating shaft II 7055, a connecting rod II 7056, a sliding rail 7057, a connecting rod III 7058, a fixed arm 7059, a sliding block 70510 and a lower pressing arm 70511, wherein the motor III 7051 is fixed at the top of the box 702, the shaft end of the motor III 7051 is fixedly connected with the connecting arm I7052, one end of the connecting rod I7053 is rotatably connected with the connecting arm I7052, the other end of the connecting rod I7054 is rotatably connected with the connecting arm II 7054, one end of the connecting arm II 7054 is rotatably connected with the rotating shaft II 7055, two ends of the rotating shaft II 7055 are fixed on the outer wall of the box 702 through bearing seats, the other end of the connecting arm II 7054 is rotatably connected with the connecting rod III 7058, one end of the connecting rod III 7058 is rotatably connected with the lower pressing arm 70511, the lower pressing arm 70511 is arranged in a gap between the inner wall of the box 702 and a supporting plate 7021, the sliding rail 7057 is arranged on one side of the lower pressing arm 70511 and fixedly connected with the fixed arm 7059, and the sliding block 70510 is arranged on two ends of the fixed arm 7059 and connected with the sliding rail 7057.

The visual recognition system 6 comprises a scanning camera, a support, a detection station and a photoelectric sensor, wherein the scanning camera comprises one or more of a linear array camera and an area array camera, the scanning camera, the detection station and the photoelectric sensor are arranged on the support, the wood veneer 8 is conveyed to pass through the lower part of the support in the visual recognition system and is set as the detection station, and the scanning camera is a linear array camera in the embodiment; the wood veneer 8 is subjected to image acquisition when passing below a scanning camera on the detection station, and the acquired image is transmitted to control equipment for image processing, so that the surface defects of the wood veneer 8, including cavities, knots, cracks, thick threads and color difference, are automatically identified; the model of the photoelectric sensor is E3Z-D61, and the photoelectric sensor is obtained by market purchase or private customization;

working principle of the vision recognition system: communication is realized between an industrial personal computer and a scanning camera through a gigabit network, a photoelectric sensor is arranged above a detection station, the photoelectric sensor transmits signals to control the scanning camera to acquire data, a signal of a conveyor line encoder is acquired while the data is acquired, photo synthesis is carried out, and the synthesized photo is subjected to signal processing through a visual recognition system; the vision recognition system is known in the art and will not be described herein.

The motor III 7051 provides power, and the lower pressing arm 70511 is driven to slide up and down along the sliding rail 7057 through the transmission of the rotating shaft II 7055; after the wood veneers 8 pass through the visual recognition system and are classified by discrimination, the wood veneers enter the sorting and stacking mechanism 7 through the conveying mechanism 2, the wood veneers 8 are adsorbed on a belt of the belt conveying mechanism 704 to be conveyed through a negative pressure fan 703 in the sorting and stacking mechanism 7, the wood veneers 8 are pressed downwards by using a pressing arm 70511 in a corresponding pressing mechanism 705 according to the quality grade at the corresponding stacking position to be separated from the belt and naturally fall into the stacking mechanism 707 for stacking, and finally the stacked wood veneers 8 are aligned by using an aligning mechanism 706 to complete sorting and stacking of the wood veneers 8.

A veneer visual intelligent recognition sorting production line comprises the following sorting process steps:

1) Feeding, wherein the single board is fed through a feeding mechanism;

Furthermore, a steering conveying mechanism is arranged between the step 1) and the step 2), the loaded veneer is rotated and conveyed by 90 degrees through the steering conveying mechanism to enter a next group of conveying mechanisms, and the use field of the veneer visual intelligent recognition sorting production line can be better saved.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims

1. A veneer visual intelligent recognition sorting production line comprises a feeding machine, a conveying mechanism, a visual recognition system and a sorting stacking mechanism; the automatic sorting and stacking device is characterized in that the feeding mechanism is arranged at one end of the conveying mechanism, and the sorting and stacking mechanism is arranged at the other end of the conveying mechanism; the feeding machine comprises a feeding mechanism and a steering transmission mechanism, and the feeding mechanism is arranged on one side of the steering transmission mechanism; the visual identification system is arranged above the conveying mechanism.

2. The veneer visual intelligent recognition sorting production line according to claim 1, wherein the steering transmission mechanism comprises a frame I, a guide mechanism and a conveying mechanism; guiding mechanism and conveying mechanism locate on frame I, and I one side of frame is equipped with the baffle.

3. The veneer visual intelligent recognition sorting production line according to claim 1, wherein the guide mechanism comprises a motor I, a roller shaft and a guide plate; the roller shaft is provided with a plurality of rollers and fixed on the frame I through bearing seats, the end part of the roller shaft is provided with a chain wheel, and an output shaft of the motor I is provided with the chain wheel and connected with the chain wheel at the end part of the roller shaft through a chain; the deflector is located between the adjacent roller, and the deflector slant sets up and passes through the bolt fastening on frame I.

4. The veneer visual intelligent recognition sorting production line according to claim 1, wherein the conveying mechanism comprises a supporting arm, a motor II, a rotating shaft I, a cylinder and a bracket; the two ends of the rotating shaft I are fixed on the frame I through bearing seats, the air cylinder is fixed on the frame I through a fixing seat, the air cylinder top shaft is rotatably connected with a support, a supporting plate and a belt conveying mechanism are arranged on the support, the motor II is fixed at one end of the frame I, and the supporting plate is arranged between adjacent roller shafts; one end of the supporting arm is rotated to connect the support, and the other end is fixedly connected with the rotating shaft I.

5. The single board visual intelligent recognition sorting production line according to claim 1, wherein the sorting and stacking mechanism comprises a frame II, a box body, a negative pressure fan, a belt conveying mechanism, a pressing mechanism, an alignment mechanism and a stacking mechanism; the machine frame II bears the box body, the negative pressure fan, the belt conveying mechanism, the pressing mechanism and the aligning mechanism, and the stacking mechanism is arranged below the machine frame II; the box body is internally provided with a supporting plate and a partition plate, the two ends of the supporting plate are fixedly connected with the box body, the partition plate is fixedly connected with the box body and the supporting plate, the supporting plate and the partition plate are mutually matched to divide the box body into a plurality of adsorption bins, and each adsorption bin corresponds to a set of pressing mechanism, negative pressure fan and stacking mechanism; the belt conveying mechanism is located below the box body, the aligning mechanisms are located on two sides of the box body, and the pressing mechanism is fixed on the box body.

6. The veneer visual intelligent recognition sorting production line according to claim 1, wherein the visual recognition system comprises a scanning camera, a support, a detection station, and a photoelectric sensor, the scanning camera comprises one or more of a line camera and an area camera, the scanning camera, the detection station, and the photoelectric sensor are arranged on the support, and the wood veneer is conveyed to pass under the support in the visual recognition system to be set as the detection station.

7. The veneer visual intelligent identification sorting production line according to claim 1, characterized in that the pressing mechanism comprises a motor III, a connecting arm I, a connecting rod I, a connecting arm II, a rotating shaft II, a connecting rod II, a sliding rail, a connecting rod III, a fixed arm, a sliding block and a pressing arm, wherein the motor III is fixed on the top of the box body, the shaft end of the motor III is fixedly connected with the connecting arm I, one end of the connecting rod I is rotatably connected with the connecting arm I, the other end of the connecting arm II is rotatably connected with the rotating shaft II, the two ends of the rotating shaft II are fixed on the outer wall of the box body through bearing seats, the other end of the connecting arm II is rotatably connected with the connecting rod III, one end of the connecting rod III is rotatably connected with the pressing arm, the pressing arm is arranged in a gap between the inner wall of the box body and a supporting plate, one side of the pressing arm is provided with the sliding rail and fixedly connected with the fixed arm, the fixed arm is provided with the sliding block and the sliding rail at the two ends of the fixed arm.

8. A sorting process of a veneer visual intelligent recognition sorting production line comprises the following steps: it is characterized in that the preparation method is characterized in that,

1) Feeding, wherein the single board is fed through a feeding mechanism;

Preferably, a turning conveying mechanism is arranged between the step 1) and the step 2), and the loaded veneer is rotated by 90 degrees through the turning conveying mechanism and conveyed to the next group of conveying mechanism.