Intelligent identifying, sorting and stacking device for quality grading of rotary-cut veneers

Abstract

The invention relates to the technical field of veneer production equipment, in particular to an intelligent identifying, sorting and stacking device for rotary-cut veneer quality grading, which comprises a feeding frame, an ejector plate is arranged on the feeding frame in a sliding fit manner, a distributing frame is fixedly connected to one side of the feeding frame, a rotating frame is arranged on the distributing frame, and a moving frame is rotatably connected to one end of the rotating frame. The movable frame is fixedly connected with the trigger mechanism, the movable frame is fixedly connected with the hexagonal sorting frame, the hexagonal sorting frame is provided with the material pushing plate in a sliding fit mode, one side of the material distributing frame is provided with the transmission mechanism in a sliding fit mode, and the honeycomb-shaped veneers are placed on the feeding frame. The hexagonal sorting frame is matched with the hexagonal shape of the honeycomb veneers, the problems of space waste or unstable stacking and the like caused by irregular shapes are solved, the hexagonal sorting frame can efficiently make contact with and support all corners of the honeycomb veneers, and the stability of the veneers is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of veneer production equipment, and in particular to an intelligent identification, sorting and stacking device for quality grading of peeled veneers. Background Art

[0002] Peeled veneer is a type of wood veneer produced by a peeling process. Peeled veneer is a common form of veneer in the wood processing industry, mainly used in woodworking, furniture manufacturing and decoration industries. Intelligent identification, sorting and stacking of quality grading of peeled veneers is a system that combines computer vision, artificial intelligence (AI), automated robotic arms and other technologies to efficiently grade, sort and stack peeled veneers. This system can improve production efficiency, reduce manual intervention and ensure consistent product quality during wood processing and wood product production.

[0003] The document with prior art publication number CN208120253U provides an intelligent identification, sorting and stacking device for quality grading of log peeled veneers, which utilizes a seamless transmission structure to achieve trouble-free transportation of veneers, a quality grading and identification transmission mechanism to complete dynamic identification of veneer quality, and a specially designed impeller structure to achieve sequential stacking.

[0004] In some high-end custom designs, peeled veneers may be cut into small honeycomb shapes. The veneers are precisely cut to form regular hexagonal or other honeycomb-like structures. Traditional stacking technology is usually based on round or square designs and cannot effectively cope with the stacking of honeycomb veneers. Since the corners of honeycomb veneers are difficult to perfectly dock, instability is prone to occur during the stacking process, resulting in veneer sliding or unstable stacking.

[0005] In summary, the prior art lacks a technology for sorting and stacking honeycomb single plates. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose an intelligent identification, sorting and stacking device for quality grading of rotary cut veneers.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is: an intelligent identification, sorting and stacking device for quality grading of rotary cut veneers, comprising a feeding rack, a top material plate is slidably provided on the feeding rack, a dividing rack is fixedly provided on one side of the feeding rack, a rotating rack is provided on the dividing rack, a mobile rack is rotatably connected to one end of the rotating rack, a trigger mechanism is fixedly provided on the mobile rack, a hexagonal sorting rack is fixedly provided on the mobile rack, a push plate is slidably provided on the hexagonal sorting rack, a transmission mechanism is slidably provided on one side of the dividing rack, and a honeycomb veneer is placed on the feeding rack.

[0008] Preferably, a tension spring A is fixedly connected to the bottom end of the ejector plate, and the other end of the tension spring A is fixedly connected to the feed rack. A driven rack is fixedly connected to the bottom end of the ejector plate, and a gear shaft is meshingly transmitted on one side of the driven rack, and the gear shaft is rotatably connected to the feed rack.

[0009] Preferably, two pulleys are rotatably connected to the material distribution rack, and a conveyor belt is frictionally transmitted between the two pulleys. One end of one of the pulleys passes through the inner wall of the material distribution rack and extends to the outside and is fixedly connected to a one-way wheel.

[0010] Preferably, a hydraulic rod is fixedly connected to the bottom end of the rotating frame, the other end of the hydraulic rod passes through the material distribution frame and is fixedly connected to a motor A, a push rod is fixedly connected to the bottom end of the hydraulic rod, an active rack is fixedly connected to the rotating frame, the active rack is meshed with the gear shaft for transmission, one end of the upper side of the rotating frame is fixedly connected to the motor B, and the output end of the motor B is fixedly connected to the moving frame.

[0011] Preferably, the trigger mechanism comprises an electric push rod, one end of which is connected and fixedly arranged with the movable frame, the other end of which is connected and fixedly arranged with a trigger plate, and a trigger sleeve is connected and fixedly arranged with the lower surface of the trigger plate.

[0012] Preferably, a plurality of sliding frames are slidably arranged on the hexagonal sorting frame, a plurality of springs A are connected and fixedly arranged between the sliding frame and the inner wall of the hexagonal sorting frame, a ramp block is connected and fixedly arranged on the top end of the sliding frame, the ramp block is arranged in sliding contact with the trigger plate, a limit block is connected and fixedly arranged on the bottom end of the sliding frame, and the limit block is arranged in sliding contact with the honeycomb single plate.

[0013] Preferably, a plurality of springs B are connected and fixedly provided on the push plate, the other end of the spring B is connected and fixedly provided to the hexagonal sorting frame, a guide head is connected and fixedly provided to the upper end of the push plate, the inner wall of the guide head is symmetrically structured and slidingly cooperated with two blocks, the outer ends of the blocks are provided with inclined surfaces, a spring C is connected and fixedly provided between the inner ends of the blocks and the push plate, the bottom end of the outer end of the blocks is arranged in sliding contact with the top end of the hexagonal sorting frame, and the top end of the outer end of the blocks is arranged in sliding contact with the inner wall of the trigger sleeve.

[0014] Preferably, the transmission mechanism includes a contact frame, the contact frame is slidably matched with the material distribution frame, the upper end of the contact frame is slidably contacted with the outer wall of the push rod, and a tension spring B is fixedly connected between the contact frame and the material distribution frame.

[0015] Preferably, the bottom end of the contact frame is rotatably connected with a plurality of transmission teeth in a linear structure, a tension spring C is fixedly connected to the transmission teeth, and the other end of the tension spring C is fixedly connected to the inner wall of the contact frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting up a hexagonal sorting rack, while driving it to move downward, it will also drive the top plate to move upward, thereby lifting the honeycomb veneer. The hexagonal sorting rack matches the hexagonal shape of the honeycomb veneer, avoiding problems such as space waste or unstable stacking due to irregular shapes. The hexagonal sorting rack can efficiently contact and support every corner of the honeycomb veneer, ensuring the stability of the veneer, and providing a stable foundation for subsequent sorting and stacking;

[0018] 2. By setting a trigger mechanism, when the trigger plate moves down to retract the limit block on the hexagonal sorting rack, the trigger sleeve can move down, so that the trigger sleeve can retract the block. At this time, under the action of spring B, the push plate can press the multiple honeycomb single plates, so that they can be smoothly taken out from the hexagonal sorting rack, and the multiple honeycomb single plates can be efficiently and stably sorted and stacked;

[0019] 3. By setting up a transmission mechanism, before the rotating frame rotates to place the honeycomb veneer on the conveyor belt for stacking, the push rod can drive the transmission mechanism to drive the conveyor belt to rotate, ensuring that the honeycomb veneer can be smoothly placed and moved out of the stacking area, thereby creating space for the processing of the next batch of veneers, optimizing the automation degree of the stacking process, improving operating efficiency and reducing manual intervention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an intelligent identification, sorting and stacking device for quality grading of peeled veneers according to the present invention;

[0021] Figure 2 It is a partial cross-sectional schematic diagram of the structure of a top plate and other parts of an intelligent identification, sorting and stacking device for quality grading of peeled veneers of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of a material distribution rack of an intelligent identification, sorting and stacking device for quality grading of peeled veneers of the present invention;

[0023] Figure 4 It is a structural schematic diagram of an intelligent identification, sorting and stacking device for quality grading of peeled veneers according to the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of a trigger mechanism and the like of an intelligent identification, sorting and stacking device for quality grading of peeled veneers of the present invention;

[0025] Figure 6It is a schematic diagram of a partial expansion of a hexagonal sorting frame structure of an intelligent identification, sorting and stacking device for quality grading of peeled veneers according to the present invention;

[0026] Figure 7 It is a partial cross-sectional schematic diagram of the pusher plate structure of an intelligent identification, sorting and stacking device for quality grading of peeled veneers of the present invention;

[0027] Figure 8 It is a schematic diagram of a partial expansion of the transmission mechanism structure of an intelligent identification, sorting and stacking device for quality grading of peeled veneers according to the present invention.

[0028] The following are marked in the figure: 1. Feeding rack; 2. Ejecting plate; 3. Material distribution rack; 4. Rotating rack; 5. Moving rack; 6. Trigger mechanism; 7. Hexagonal sorting rack; 8. Pushing plate; 9. Transmission mechanism; 10. Honeycomb single plate; 201. Tension spring A; 202. Driven rack; 203. Gear shaft; 301. Pulley; 302. Conveyor belt; 303. One-way wheel; 401. Hydraulic rod; 402. Motor A; 403 , push rod; 404, active rack; 405, motor B; 601, electric push rod; 602, trigger plate; 603, trigger sleeve; 701, sliding frame; 702, spring A; 703, ramp block; 704, limit block; 801, spring B; 802, clamping block; 803, spring C; 804, guide head; 901, contact frame; 902, transmission tooth; 903, tension spring C; 904, tension spring B. DETAILED DESCRIPTION

[0029] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0030] like Figure 1-Figure 8 The intelligent identification, sorting and stacking device for quality grading of peeled veneers shown in the figure comprises a feeding rack 1, a top material plate 2 is slidably provided on the feeding rack 1, a material dividing rack 3 is fixedly provided on one side of the feeding rack 1, a rotating rack 4 is provided on the material dividing rack 3, a mobile rack 5 is rotatably connected to one end of the rotating rack 4, a trigger mechanism 6 is fixedly provided on the mobile rack 5, a hexagonal sorting rack 7 is fixedly provided on the mobile rack 5, a push plate 8 is slidably provided on the hexagonal sorting rack 7, a transmission mechanism 9 is slidably provided on one side of the material dividing rack 3, and a honeycomb veneer 10 is placed on the feeding rack 1. The feeding rack 1 is equipped with an identification device.

[0031] like Figure 2As shown, a tension spring A201 is fixedly connected to the bottom of the ejector plate 2, and the other end of the tension spring A201 is fixedly connected to the feed rack 1. A driven rack 202 is fixedly connected to the bottom of the ejector plate 2, and a gear shaft 203 is meshed and driven on one side of the driven rack 202, and the gear shaft 203 is rotatably connected to the feed rack 1. The tension spring A201 realizes the automatic reset of the ejector plate 2. The hydraulic rod 401 is used to drive the rotating rack 4 to move downward, which will drive the connected active rack 404 to move downward, so that the active rack 404 drives the gear shaft 203 to rotate, so that the gear shaft 203 drives the ejector plate 2 connected to the driven rack 202 to move upward, and the honeycomb single plate 10 is lifted.

[0032] like Figure 3 As shown, two pulleys 301 are rotatably connected on the material distribution rack 3, and a conveyor belt 302 is frictionally driven between the two pulleys 301. One end of one of the pulleys 301 passes through the inner wall of the material distribution rack 3 and extends to the outside and is connected and fixed with a one-way wheel 303. The transmission tooth 902 meshes with the one-way wheel 303 under the action of the tension spring C903, so that the one-way wheel 303 drives the connected pulley 301 to rotate, so that the pulley 301 drives the conveyor belt 302 to rotate, and the stacked honeycomb single board 10 is removed.

[0033] like Figure 4 As shown, a hydraulic rod 401 is connected and fixedly arranged at the bottom of the rotating frame 4, and the other end of the hydraulic rod 401 passes through the material distribution frame 3 and is connected and fixedly arranged with a motor A402, and a push rod 403 is connected and fixedly arranged at the bottom of the hydraulic rod 401, and an active rack 404 is connected and fixedly arranged on the rotating frame 4, and the active rack 404 is meshed with the gear shaft 203 for transmission, and a motor B405 is connected and fixedly arranged at one end of the upper side of the rotating frame 4, and the output end of the motor B405 is connected and fixedly arranged with the moving frame 5. The rotating frame 4 is driven to rotate by the motor A402, so that a plurality of honeycomb single plates 10 are rotated onto the conveyor belt 302, and at this time, the push rod 403 will contact and squeeze the contact frame 901 to move.

[0034] like Figure 5 As shown, the trigger mechanism 6 includes an electric push rod 601, one end of which is connected and fixed to the moving frame 5, and the other end of the electric push rod 601 is connected and fixed to a trigger plate 602, and a trigger sleeve 603 is connected and fixed to the lower surface of the trigger plate 602. The electric push rod 601 is used to drive the trigger plate 602 to move downward, and at this time, the trigger plate 602 will contact and squeeze the inclined block 703, so that the inclined block 703 drives the limit block 704 connected to the sliding frame 701 to retract, so that the honeycomb single plate 10 is not restricted. At the same time, when the trigger plate 602 moves downward, the trigger sleeve 603 will be sleeved on the guide head 804, and at the same time, the trigger sleeve 603 squeezes the card block 802, so that the card block 802 is retracted. At this time, under the action of the spring B801, the push plate 8 will be driven to move downward.

[0035] like Figure 6 As shown, a plurality of sliding frames 701 are slidably arranged on the hexagonal sorting frame 7, a plurality of springs A702 are connected and fixedly arranged between the sliding frame 701 and the inner wall of the hexagonal sorting frame 7, a ramp block 703 is connected and fixedly arranged at the top end of the sliding frame 701, the ramp block 703 is arranged in sliding contact with the trigger plate 602, a limit block 704 is connected and fixedly arranged at the bottom end of the sliding frame 701, and the limit block 704 is arranged in sliding contact with the honeycomb single plate 10.

[0036] By setting up the hexagonal sorting rack 7, while driving it to move downward, the top plate 2 will be driven to move upward, thereby lifting the honeycomb single board 10. The hexagonal sorting rack 7 matches the hexagonal shape of the honeycomb single board 10, avoiding problems such as space waste or unstable stacking due to irregular shapes. The hexagonal sorting rack 7 can efficiently contact and support each corner of the honeycomb single board 10, ensure the stability of the honeycomb single board 10, and provide a stable foundation for subsequent sorting and stacking.

[0037] like Figure 7 As shown, a plurality of springs B801 are connected and fixedly provided on the push plate 8, the other end of the spring B801 is connected and fixedly provided to the hexagonal sorting frame 7, a guide head 804 is connected and fixedly provided to the upper end of the push plate 8, the inner wall of the guide head 804 is symmetrically structured and slidingly cooperated with two blocks 802, the outer end of the block 802 is provided with an inclined surface, a spring C803 is connected and fixedly provided between the inner end of the block 802 and the push plate 8, the bottom end of the outer end of the block 802 is in sliding contact with the top end of the hexagonal sorting frame 7, and the top end of the outer end of the block 802 is in sliding contact with the inner wall of the trigger sleeve 603.

[0038] like Figure 8 As shown, the transmission mechanism 9 includes a contact frame 901, which is slidably matched with the material distribution frame 3, and the upper end of the contact frame 901 is slidably contacted with the outer wall of the push rod 403, and a tension spring B904 is fixedly connected between the contact frame 901 and the material distribution frame 3.

[0039] The bottom end of the contact frame 901 is rotatably connected with a plurality of transmission teeth 902 in a linear structure, and a tension spring C903 is fixedly connected to the transmission teeth 902, and the other end of the tension spring C903 is fixedly connected to the inner wall of the contact frame 901. The contact frame 901 moves, so that the contact frame 901 drives the plurality of transmission teeth 902 to move, and at this time, the transmission teeth 902 mesh with the one-way wheel 303 under the action of the tension spring C903.

[0040] Working principle: When it is necessary to identify and sort the cut honeycomb veneers 10, first place the honeycomb veneers 10 on the feeding rack 1 for transportation. At this time, the identification device is used for identification. After the identified honeycomb veneers 10 are of qualified quality, the feeding rack 1 transports the honeycomb veneers 10 to the top material plate 2 and stops transporting. When it is identified that the honeycomb veneers 10 have quality problems, the feeding rack 1 then transports the honeycomb veneers 10 with quality problems to the next process.

[0041] Then, the hydraulic rod 401 is used to drive the rotating frame 4 to move downward, which in turn drives the connected active rack 404 to move downward, so that the active rack 404 drives the gear shaft 203 to rotate, so that the gear shaft 203 drives the top plate 2 connected to the driven rack 202 to move upward, and lift the honeycomb single plate 10;

[0042] At the same time, when the rotating frame 4 moves downward, the hexagonal sorting frame 7 will be driven to move downward. At this time, the motor B405 is used to drive the moving frame 5 to rotate, so that the hexagonal sorting frame 7 is aligned with the honeycomb single board 10. Then, when multiple limit blocks 704 contact the honeycomb single board 10, the limit blocks 704 are retracted. Then, when the limit blocks 704 move to the bottom of the honeycomb single board 10, the limit blocks 704 are moved out under the action of the spring A702 to limit the honeycomb single board 10.

[0043] By analogy, after the hexagonal sorting rack 7 moves up and down for multiple times, multiple honeycomb single plates 10 are stacked, and then the push plate 8 is lifted up under the action of the honeycomb single plate 10, so that the guide head 804 on the push plate 8 is inserted into the hexagonal sorting rack 7, and then the spring C803 drives the block 802 to move out, so that the block 802 limits the push plate 8 above the hexagonal sorting rack 7;

[0044] Then, the motor A402 is used to drive the rotating frame 4 to rotate, so that the multiple honeycomb single plates 10 rotate onto the conveyor belt 302. At this time, the push rod 403 will contact and squeeze the contact frame 901 to move, so that the contact frame 901 drives the multiple transmission teeth 902 to move. At this time, the transmission teeth 902 are engaged with the one-way wheel 303 under the action of the tension spring C903, so that the one-way wheel 303 drives the connected pulley 301 to rotate, so that the pulley 301 drives the conveyor belt 302 to rotate, and the stacked honeycomb single plates 10 are removed;

[0045] Then, the hydraulic rod 401 is used to drive the rotating frame 4 to move downward, so that the bottom end of the hexagonal sorting frame 7 contacts the conveyor belt 302, and then the electric push rod 601 is used to drive the trigger plate 602 to move downward. At this time, the trigger plate 602 will contact and squeeze the inclined block 703, so that the inclined block 703 drives the limit block 704 connected to the sliding frame 701 to be retracted, so that the honeycomb single plate 10 is not restricted. At the same time, when the trigger plate 602 moves downward, the trigger sleeve 603 will be sleeved on the guide head 804, and the trigger sleeve 603 will squeeze the block 802, so that the block 802 is retracted. At this time, under the action of the spring B801, the push plate 8 will be driven to move downward, and multiple honeycomb single plates 10 will be completely pushed out from the hexagonal sorting frame 7 for stacking.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An intelligent identification, sorting and stacking device for quality grading of peeled veneers, comprising a feeding rack (1), characterized in that: The feeding frame (1) is provided with a push plate (2) in a sliding manner, a material distribution frame (3) is connected and fixedly provided on one side of the feeding frame (1), a rotating frame (4) is provided on the material distribution frame (3), one end of the rotating frame (4) is rotatably connected to a mobile frame (5), a trigger mechanism (6) is connected and fixedly provided on the mobile frame (5), a hexagonal sorting frame (7) is fixedly connected to the mobile frame (5), a push plate (8) is slidably provided on the hexagonal sorting frame (7), a transmission mechanism (9) is slidably provided on one side of the material distribution frame (3), and a honeycomb single plate (10) is placed on the feeding frame (1).

2. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 1 is characterized by: A tension spring A (201) is fixedly connected to the bottom end of the ejector plate (2), and the other end of the tension spring A (201) is fixedly connected to the feed rack (1). A driven rack (202) is fixedly connected to the bottom end of the ejector plate (2), and a gear shaft (203) is meshingly driven on one side of the driven rack (202), and the gear shaft (203) is rotatably connected to the feed rack (1).

3. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 1, characterized in that: Two pulleys (301) are rotatably connected to the material distribution frame (3), and a conveyor belt (302) is frictionally transmitted between the two pulleys (301), wherein one end of one of the pulleys (301) passes through the inner wall of the material distribution frame (3) and extends to the outside and is connected and fixedly provided with a one-way wheel (303).

4. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 2, characterized in that: A hydraulic rod (401) is fixedly connected to the bottom end of the rotating frame (4); the other end of the hydraulic rod (401) passes through the material distribution frame (3) and is fixedly connected to a motor A (402); a push rod (403) is fixedly connected to the bottom end of the hydraulic rod (401); an active rack (404) is fixedly connected to the rotating frame (4); the active rack (404) is meshed with the gear shaft (203) for transmission; a motor B (405) is fixedly connected to one end of the upper side of the rotating frame (4); and an output end of the motor B (405) is fixedly connected to the moving frame (5).

5. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 1, characterized in that: The trigger mechanism (6) comprises an electric push rod (601), one end of the electric push rod (601) is connected and fixedly arranged with the moving frame (5), the other end of the electric push rod (601) is connected and fixedly arranged with a trigger plate (602), and the lower surface of the trigger plate (602) is connected and fixedly arranged with a trigger sleeve (603).

6. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 5, characterized in that: A plurality of sliding frames (701) are slidably arranged on the hexagonal sorting frame (7); a plurality of springs A (702) are connected and fixedly arranged between the sliding frame (701) and the inner wall of the hexagonal sorting frame (7); a ramp block (703) is connected and fixedly arranged at the top end of the sliding frame (701); the ramp block (703) is slidably contacted with the trigger plate (602); a limit block (704) is connected and fixedly arranged at the bottom end of the sliding frame (701); the limit block (704) is slidably contacted with the honeycomb single plate (10).

7. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 5, characterized in that: A plurality of springs B (801) are fixedly connected to the push plate (8), the other end of the spring B (801) is fixedly connected to the hexagonal sorting frame (7), the upper end of the push plate (8) is fixedly connected to a guide head (804), the inner wall of the guide head (804) is symmetrically structured and slidably matched with two clamping blocks (802), the outer end of the clamping block (802) is provided with an inclined surface, a spring C (803) is fixedly connected between the inner end of the clamping block (802) and the push plate (8), the bottom end of the outer end of the clamping block (802) is slidably contacted with the top end of the hexagonal sorting frame (7), and the top end of the outer end of the clamping block (802) is slidably contacted with the inner wall of the trigger sleeve (603).

8. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 4, characterized in that: The transmission mechanism (9) comprises a contact frame (901), the contact frame (901) and the material distribution frame (3) are slidably matched, the upper end of the contact frame (901) is slidably contacted with the outer wall of the push rod (403), and a tension spring B (904) is fixedly connected between the contact frame (901) and the material distribution frame (3).

9. The intelligent identification, sorting and stacking device for quality grading of peeled veneers according to claim 8, characterized in that: The bottom end of the contact frame (901) is provided with a plurality of transmission teeth (902) in a linear structure and rotatably connected thereto, a tension spring C (903) is connected and fixedly provided on the transmission teeth (902), and the other end of the tension spring C (903) is connected and fixedly provided to the inner wall of the contact frame (901).

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