CN114290456A - But veneer wood-based panel production line and control system - Google Patents

But veneer wood-based panel production line and control system Download PDF

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Publication number
CN114290456A
CN114290456A CN202111501690.5A CN202111501690A CN114290456A CN 114290456 A CN114290456 A CN 114290456A CN 202111501690 A CN202111501690 A CN 202111501690A CN 114290456 A CN114290456 A CN 114290456A
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surface layer
conveyor
core
paving
core board
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CN114290456B (en
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陆铜华
郝玉东
毕海明
方玉祥
田茂华
黄活阳
周明吉
魏任重
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Ausbane Decoration Materials Co ltd
Treezo New Meterial Science and Technology Group Co Ltd
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Ausbane Decoration Materials Co ltd
Treezo New Meterial Science and Technology Group Co Ltd
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Abstract

The invention relates to the technical field of artificial boards, in particular to a production line and a control system of a veneerable artificial board, which comprises a storage bin, a flowmeter, a glue mixer, a distributor, a lower surface layer swing conveyor, an upper surface layer swing conveyor, a lower surface layer metering bin, an upper surface layer metering bin, a lower surface layer airflow spreading machine, an upper surface layer airflow spreading machine, a spreading conveyor, a hot press and a core board upper plate mechanism, wherein a discharge port of the storage bin is in butt joint with a feed port of the flowmeter, and a discharge port of the flowmeter is in butt joint with a feed port of the glue mixer. The invention realizes the mechanized operation of the production line for directly paving the fine materials containing the glue on the upper surface and the lower surface of the core board and then performing the compression molding on the fine materials again to obtain the veneered structural board with smooth and flat surface, has high production efficiency, does not need to perform the treatment of scraping, sanding and the like on the upper surface and the lower surface of the board, greatly reduces the labor cost, reduces the manufacturing procedures, and has high bonding strength among the fine materials on the upper surface layer, the fine materials on the lower surface layer and the core board and good product quality.

Description

But veneer wood-based panel production line and control system
Technical Field
The invention relates to the technical field of artificial boards, in particular to a production line of an artificial board capable of facing and a control system.
Background
At present, the boards used for manufacturing or decorating home furnishing and furniture are usually multi-layer boards or boards with directional structures and the like, the manufacturing of the boards needs to be finished through multi-stage processing, the surfaces of the boards are sanded and flattened through processes such as sanding and the like, then glue is coated, fiber sheets with the thickness of 1 mm to 3 mm are attached to the surfaces of the boards, and finally the working procedures such as hot press forming and the like are carried out. The fiber sheet of 1 mm to 3 mm is processed by procedures of wood chipping, grinding or hot grinding, gluing, drying, paving, hot pressing and the like, the surface of the fiber sheet is leveled by processes of sanding and the like after the fiber sheet is pasted on the substrate, then surface paper or high-gloss paper and the like are pasted on the fiber sheet, and finally the decorative board which can be used for furniture and home can be achieved through hot pressing.
In addition, the prior veneerable artificial board may have the phenomena of surface layer scattering, cracking, even falling off and the like in multiple pressing links, thereby causing the generation of inferior boards or unqualified boards, and in addition, because the two composite surfaces of the upper surface and the lower surface are not subjected to hot pressing and laminating in the same process, the difference of hot pressing process conditions can cause the difference of the flatness, performance and the like of the upper composite surface and the lower composite surface of the composite, and the defects can also cause the defects of uneven surface gloss, carbonization points, peeling and the like of the board after the board is pasted with surface paper or high-gloss paper.
Chinese patent publication No. CN105690528A discloses a method for improving the surface flatness of a solid wood board, which increases the labor cost by adding a fiberboard/particle board layer on a raw wood board layer and laminating a finishing layer on the fiberboard/particle board layer, but the manufacturing process of the fiberboard/particle board layer is complicated and the manufacturing cost is high, and in addition, the fiberboard/particle board layer needs to be sanded before laminating the finishing layer.
Chinese patent publication No. CN102785273A discloses a composite wood-based panel with smooth surface and three hot-pressing and two sanding processes and a method for manufacturing the same, wherein a thin poplar veneer is pressed on a eucalyptus veneer, and then a wood-grain paper is pressed on the thin poplar veneer, and then the composite wood-based panel with smooth surface is obtained.
Chinese patent publication No. CN201525061U discloses a composite plywood with a face layer made of fiber board or particle board, which includes a base layer and a face layer, the face layer includes an upper layer and a bottom layer, which are respectively adhered to the upper surface and the lower bottom surface of the base layer, the upper layer and the bottom layer as the face layer are made of fiber board or particle board, the base layer is made of oriented structure particle board or wooden board, and the fiber board or particle board is pressed and adhered to the base layer board in advance, i.e. the whole manufacturing process also needs at least two hot pressing processes.
Chinese patent publication No. CN111002400A discloses a new wood fiber composite material veneer plywood and a manufacturing method thereof, in which wood fibers are laid on a solid wood veneer or a scientific wood veneer, and then the wood fiber composite veneer is obtained by pressing, and then the wood fiber composite veneer and the veneer are pressed together to obtain the plywood with direct veneer, and multiple prepressing and hot pressing processes are required in the manufacturing process, so that the plywood with new wood fiber composite material veneer is obtained, and has the advantages of multiple intermediate links, high manufacturing cost and low efficiency.
Disclosure of Invention
The invention provides a facing artificial board production line and a control system, overcomes the defects of the prior art, and can effectively solve the problems of complex manufacturing process, low high-grade product rate, high labor cost and high energy consumption of the existing facing composite artificial board.
One of the technical schemes of the invention is realized by the following measures: a production line of a decorative artificial board comprises a storage bin, a flowmeter, a glue mixer, a distributor, a lower surface layer swing conveyor, an upper surface layer swing conveyor, a lower surface layer metering bin, an upper surface layer metering bin, a lower surface layer air flow spreading machine, an upper surface layer air flow spreading machine, a spreading conveyor, a hot press and a core board upper plate mechanism, wherein a discharge port of the storage bin is butted with a feed port of the flowmeter, a discharge port of the flowmeter is butted with a feed port of the glue mixer, a feed port of the glue mixer is butted with a feed port of the distributor, the distributor is provided with two discharge ports which are respectively butted with a feed end of the lower surface layer swing conveyor and a feed end of the upper surface layer swing conveyor, a discharge end of the lower surface layer swing conveyor is butted with a feed port of the lower surface layer metering bin, a discharge end of the upper surface layer swing conveyor is butted with a feed port of the upper surface layer metering bin, a discharge port of the lower surface layer metering bin is butted with a feed port of the lower surface layer air flow spreading machine, the discharge gate of upper epidermis measuring bin and the feed inlet of upper epidermis air current spreading machine dock, and lower epidermis air current spreading machine and upper surface air current spreading machine set up the top at the conveyer of mating formation from left to right, and the conveyer of mating formation is used for transporting material from left to right, and core upper plate mechanism is used for mating formation the slab and places on the conveyer of mating formation that lies in position between lower epidermis air current spreading machine and the upper surface air current spreading machine.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
a lower surface layer metering conveyer belt can be arranged in the lower surface layer metering bin, and a lower surface layer rake is arranged above the lower surface layer metering conveyer belt; an upper surface layer metering conveyer belt is arranged in the upper surface layer metering bin, and an upper surface layer rake is arranged above the upper surface layer metering conveyer belt; the lower surface layer air flow paving machine comprises a lower surface layer paving box body with an open bottom, wherein a lower surface layer feeding hole is arranged at the top of the lower surface layer paving box body, a lower surface layer diamond roller is arranged in the lower surface layer paving box body corresponding to the position below the lower surface layer feeding hole, a lower surface layer air blower with the air outlet direction facing to the left is arranged on the lower surface layer paving box body corresponding to the position below the right side of the lower surface layer diamond roller, at least two lower surface layer vibration screen meshes are arranged in the lower surface layer paving box body corresponding to the position below the left side of the lower surface layer diamond roller at intervals from left to right, the aperture of the lower surface layer vibration screen meshes from left to right is sequentially increased, a lower surface layer electric adjusting air door is arranged in the lower surface layer paving box body corresponding to the position below the right side of the lower surface layer diamond roller, the left end of the lower surface layer paving box body is connected with an air inlet of a lower surface layer negative pressure fan through a lower surface layer air suction pipe, and an air outlet of the lower surface layer negative pressure fan is connected with an air inlet of a lower surface layer dust remover, the discharge port of the lower surface dust remover is connected with the lower surface air-tight blanking device; the upper surface air flow paving machine comprises an upper surface paving box body with an open bottom, an upper surface layer feeding hole is arranged at the top of the upper surface paving box body, an upper surface layer diamond roller is arranged in the upper surface layer paving box body corresponding to the position below the upper surface layer feeding hole, an upper surface layer air blower with the air outlet direction facing right is arranged on the upper surface layer paving box body corresponding to the position below the left side of the upper surface layer diamond roller, at least two upper surface layer vibration screen meshes are arranged in the upper surface layer paving box body corresponding to the position below the right side of the upper surface layer diamond roller at intervals from left to right, the aperture of the upper surface layer vibration screen meshes from left to right is sequentially reduced, an upper surface layer electric adjusting air door is arranged in the upper surface layer paving box body corresponding to the position below the left side of the upper surface layer diamond roller, the right end of the upper surface layer paving box body is connected with an air inlet of an upper surface negative pressure air fan through an upper surface layer aspiration channel, an air outlet of the upper surface negative pressure fan is connected with an air inlet of an upper surface dust remover, the discharge port of the upper layer dust remover is connected with the upper layer air-tight blanking device; the distributor is an electro-hydraulic three-way distributor.
Above-mentioned core upper plate mechanism can be including the core transfer chain that is used for carrying the core and be used for snatching the core on the core transfer chain and place the last board manipulator on the conveyer of mating formation, and the core transfer chain includes upper plate ground roller platform, upper plate elevating platform, push pedal ware, roller table conveyer, spreading machine and core conveyer that sets gradually along core direction of delivery, and the spreading machine is used for carrying out the rubber coating to two sides about the core, and last board manipulator is used for snatching the core on the core conveyer and places on the conveyer of mating formation.
The core plate conveying line can further comprise a core plate drying conveyor which is arranged between the gluing machine and the core plate conveyor and used for conveying and drying the core plates, the core plate drying conveyor comprises a drying device and a disc conveyor which is arranged inside the drying device and used for conveying the core plates, the disc conveyor comprises a first rack, a plurality of first rotating shafts are rotatably arranged on the first rack along the length direction, at least two first annular bearing trays used for bearing the core plates are arranged on the outer sides of the first rotating shafts at intervals along the axial direction of the rotating shafts, the first rotating shafts are in transmission connection with a first chain through first driven sprockets, a first driving motor is arranged on the first rack, and an output shaft of the first driving motor is in transmission connection with the first chain through a first driving sprocket; the core plate conveyor comprises a second rack, a plurality of second rotating shafts are rotatably arranged on the second rack along the length direction, at least two second annular bearing trays for bearing the core plate are arranged on the outer sides of the second rotating shafts at intervals along the axial direction of the rotating shafts, the plurality of second rotating shafts are in transmission connection with a second chain through a second driven sprocket, a second driving motor is arranged on the second rack, an output shaft of the second driving motor is in transmission connection with the second chain through a second driving sprocket, and a core plate baffle which is positioned between every two adjacent second rotating shafts and can move up and down and a driving piece for driving the core plate baffle to move up and down are arranged on the second rack; the glue spreader comprises an upper row of glue spreading rollers and a lower row of glue spreading rollers, and a core plate passing space is formed between the two rows of glue spreading rollers; the outer sides of the core plate drying and conveying machine and the glue spreader are covered with waste gas collecting devices which are communicated with the VOC gas treatment device through gas supply pipelines; the output end of the core plate conveyor is butt jointed with a return plate stacker, a return plate lifting platform and a return plate ground roller platform which are sequentially arranged along the conveying direction of the core plate.
The plate feeding manipulator comprises a support, a longitudinal displacement module and a longitudinal driving motor, wherein the longitudinal displacement module can reciprocate back and forth and the longitudinal driving motor is used for driving the longitudinal displacement module to reciprocate back and forth are mounted on the support, a transverse displacement module capable of reciprocating left and right and a transverse driving motor used for driving the transverse displacement module to reciprocate left and right are arranged on the longitudinal displacement module, a vertical displacement module capable of reciprocating up and down and a vertical driving motor used for driving the vertical displacement module to reciprocate up and down are arranged on the transverse displacement module, and a mechanical gripper used for taking and placing a core plate is arranged on the vertical displacement module.
The support can comprise a set of longitudinal rails which are parallel to the front-back direction, the set of longitudinal rails are installed above the paving conveyor and located between the lower surface air flow paving machine and the upper surface air flow paving machine, a front set of longitudinal displacement modules and a rear set of longitudinal displacement modules are arranged on the set of longitudinal rails, the number of the core plate conveying lines is two, and the core plate conveyors in the two core plate conveying lines are respectively located on the front side and the rear side of the paving conveyor.
The production line of the artificial veneer capable of decorating further comprises a fine material preparation system, wherein the fine material preparation system comprises a buffer bin, a fine material preparation device, a wind power conveying device, a screening machine and a wind separation device, the fine material preparation device is used for preparing wood fibers or wood shavings, a discharge port of the buffer bin is connected with a feed port of the fine material preparation device, a discharge port of the fine material preparation device is connected with a feed port of the screening device through the wind power conveying device, a qualified fine material discharge port of the screening device is connected with a feed port of a wind separation device, an unqualified fine material discharge port of the screening device is connected with a feed port of the buffer bin through the wind power conveying device, and a discharge port of the wind separation device is connected with a feed port of a storage bin; a prepress is arranged on the paving conveyer corresponding to the position between the lower surface layer air flow paving machine and the core plate upper plate mechanism, a lower surface layer iron remover is arranged between the lower surface layer air flow paving machine and the prepress, and an upper surface layer iron remover is arranged between the upper surface layer air flow paving machine and the hot press.
The second technical scheme of the invention is realized by the following measures: the control system applied to the veneer artificial board production line comprises a main controller, a lower surface distance meter, an upper surface distance meter, a lower surface material level meter, an upper surface material level meter, a lower surface flow scale, an upper surface flow scale, a lower surface weighing device, an upper surface weighing device, a temperature sensor and a speed sensor, wherein the lower surface distance meter is used for measuring the material storage amount in a lower surface metering bin, the upper surface distance meter is used for measuring the material storage amount in the upper surface metering bin, the lower surface material level meter is used for measuring the height of materials leveled by the lower surface material rake on a lower surface metering conveying belt, the upper surface material level meter is used for measuring the height of the materials leveled by the upper surface material rake on the upper surface metering conveying belt, the layer flow scale is used for measuring the weight of the materials leveled by the lower surface material rake on the unit area of the lower surface metering conveying belt, and the upper surface flow scale is used for measuring the unit area of the materials leveled by the upper surface material rake on the upper surface metering conveying belt The lower surface layer weighing device is arranged on a paving conveyor between the lower surface layer airflow paving machine and the prepress, the upper surface layer weighing device is arranged on the paving conveyor between the upper surface layer airflow paving machine and the hot press, the temperature sensor is used for measuring the temperature in the drying device, the speed sensor is used for measuring the conveying speed of the paving conveyor, the lower surface layer distance meter, the upper surface layer distance meter, the lower surface layer material level meter, the upper surface layer material level meter, the lower surface layer flow scale, the upper surface layer flow scale, the lower surface layer weighing device, the upper surface layer weighing device, the temperature sensor and the speed sensor are all connected with a main controller, the main controller is respectively connected with a controller of a flowmeter, a controller of a glue mixer, a controller of a lower surface layer blower, a controller of an upper surface layer blower, a controller of a lower surface layer negative pressure blower and a controller of an upper surface layer negative pressure blower, the main control unit respectively with lower surface layer electric damper, upper surface layer electric damper is connected, the main control unit respectively with the controller of lower surface layer measurement conveyer belt, the controller of upper surface layer measurement conveyer belt, the controller of lower surface layer swing conveyer, the controller of upper surface layer swing conveyer, the controller of electro-hydraulic tee bend tripper is connected, the main control unit respectively with vertical driving motor, transversely be connected to driving motor and vertical driving motor, the main control unit is connected with drying device's controller, the main control unit is connected with the driving piece.
When the production line is used for producing, the fine materials mixed with the adhesive are directly pressed and formed on the upper surface and the lower surface of the core board in one step to obtain the veneered structural board with smooth and flat surface, so that the upper surface and the lower surface of the board do not need to be subjected to treatment such as dust scraping and sanding, and the veneering purpose can be achieved without pressing and pasting the veneering layer on the surface of the board for multiple times, the labor cost is greatly reduced, the manufacturing procedures are reduced, in addition, the fine materials of the lower surface layer and the upper surface layer can be filled into the concave holes on the surface of the core board when being pressed, the defects of the core board are repaired, the fine materials filled in the holes on the surface of the core board are firmly grabbed on the surface of the core board like grabbers, and the bonding strength among the fine materials of the upper surface layer, the fine materials of the lower surface layer and the core board after the pressing and forming is high in product quality. The invention realizes the mechanized operation of the production line for directly paving the fine materials containing the glue on the upper surface and the lower surface of the core board and then performing the pressing molding again to obtain the veneering structural board with smooth and flat surface, and the paving procedure of the fine materials on the lower surface layer and the paving procedure of the fine materials on the upper surface layer are simultaneously performed, thereby having high production efficiency.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention.
Fig. 2 is a schematic partial sectional structure view of a lower surface layer air-flow spreading machine in a front view according to an embodiment of the present invention.
Fig. 3 is a schematic partial sectional structure view of the upper surface layer air-flow spreading machine in the first embodiment of the present invention.
Fig. 4 is a schematic front view of a core drying conveyor according to an embodiment of the present invention.
Fig. 5 is a schematic front view of a core conveyor according to an embodiment of the present invention.
Fig. 6 is a schematic top view of a plate loading robot according to an embodiment of the present invention.
Fig. 7 is a schematic sectional view taken along line a-a of fig. 6.
Fig. 8 is a circuit block diagram of a second embodiment of the present invention.
The codes in the figures are respectively: 1 is a buffer bin, 2 is a fine material preparation device, 3 is a screening machine, 4 is a winnowing device, 5 is a storage bin, 6 is a flow meter, 7 is a glue mixer, 8 is a distributor, 9 is a lower-surface-layer swing conveyor, 10 is a lower-surface-layer metering bin, 11 is a lower-surface-layer flow scale, 12 is a lower-surface-layer negative pressure fan, 13 is a lower-surface-layer dust remover, 14 is a lower-surface-layer air-tight blanking machine, 15 is a lower-surface-layer air flow spreading machine, 16 is a lower-surface-layer air blower, 17 is a lower-surface-layer iron remover, 18 is a lower-surface-layer weighing device, 19 is a prepress, 20 is an upper-plate ground roller table, 21 is an upper-plate lifting table, 22 is a push plate, 23 is a roller table conveyor, 24 is a glue spreader, 25 is a core-plate drying conveyor, 26 is a conveyor, 27 is a VOC gas treatment device, 28 is a VOC upper-plate manipulator, 29 is a return-plate stacker, 30 is a return-plate lifting table, 31 is a return-plate ground roller table, 32 is an upper-layer swing conveyor, 33 is an upper layer metering bin, 34 is an upper layer flow weighing scale, 35 is an upper layer blower, 36 is an upper layer airflow spreading machine, 37 is an upper layer negative pressure fan, 38 is an upper layer dust remover, 39 is an upper layer air-tight feeder, 40 is an upper layer iron remover, 41 is an upper layer weighing device, 42 is a spreading conveyor, 43 is a hot press, 44 is a lower layer metering conveyer belt, 45 is an upper layer metering conveyer belt, 46 is a lower layer spreading box body, 47 is a lower layer diamond roller, 48 is a lower layer vibrating screen, 49 is a lower layer electric adjusting air door, 50 is an upper layer spreading box body, 51 is an upper layer diamond roller, 52 is an upper layer vibrating screen, 53 is an upper layer electric adjusting air door, 54 is a drying device, 55 is a first rack, 56 is a first annular bearing tray, 57 is a second rack, 58 is a second annular bearing tray, 59 is a support, 60 is a longitudinal displacement module, 61 is the lateral displacement module, 62 is the vertical displacement module, 63 is mechanical tongs, 64 is main control unit, 65 is lower surface layer distancer, 66 is upper surface layer distancer, 67 is lower surface layer charge level appearance, 68 is upper surface layer charge level appearance, 69 is temperature sensor, 70 is speed sensor, 71 is vertical track, 72 vertical driving motor, 73 is horizontal driving motor, 74 is vertical driving motor.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
implementing one step: as shown in the attached fig. 1-7, the production line of the artificial veneer with decorative surface comprises a storage bin 5, a flowmeter 6, a glue mixer 7, a distributor 8, a lower surface layer swing conveyor 9, an upper surface layer swing conveyor 32, a lower surface layer metering bin 10, an upper surface layer metering bin 33, a lower surface layer air flow spreading machine 15, an upper surface layer air flow spreading machine 36, a spreading conveyor 42, a hot press 43 and a core plate upper plate mechanism, wherein a discharge port of the storage bin 5 is butted with a feed port of the flowmeter 6, a discharge port of the flowmeter 6 is butted with a feed port of the glue mixer 7, a feed port of the glue mixer 7 is butted with a feed port of the distributor 8, the distributor 8 is provided with two discharge ports, the two discharge ports of the distributor 8 are butted with a feed end of the lower surface layer swing conveyor 9 and a feed end of the upper surface layer swing conveyor 32 respectively, a discharge end of the lower surface layer swing conveyor 9 is butted with a feed port of the lower surface layer metering bin 10, the discharge end of upper surface swing conveyer 32 and the feed inlet of upper surface measuring bin 33 dock, the discharge gate of lower surface measuring bin 10 and the feed inlet of lower surface air flow paver 15 dock, the discharge gate of upper surface measuring bin 33 and the feed inlet of upper surface air flow paver 36 dock, lower surface air flow paver 15 and upper surface air flow paver 36 set up in the top of conveyer 42 of mating formation from left to right, conveyer 42 of mating formation is used for from left to right transported substance material, core upper plate mechanism is used for placing the slab on conveyer 42 of mating formation that lies in the position between lower surface air flow paver 15 and upper surface air flow paver 36.
When producing the veneerable wood-based panel, storing fine materials in a storage bin 5, wherein the fine materials are wood fibers or wood shavings, then feeding the fine materials into a flowmeter 6, controlling the supply amount of the fine materials through the flowmeter 6, feeding the fine materials discharged from the flowmeter 6 into a glue mixer 7 to be mixed with an adhesive for gluing treatment, feeding the glued fine materials into a distributor 8 and dividing the fine materials into a lower surface fine material and an upper surface fine material through the distributor 8, feeding the lower surface fine material into a lower surface metering bin 10 through a lower surface swing conveyor 9, controlling the supply amount of the fine materials into a lower surface air-flow paver 15 through the lower surface metering bin 10, feeding the upper surface fine material into an upper surface metering bin 33 through an upper surface swing conveyor 32, controlling the supply amount of the fine materials into an upper surface air-flow paver 36 through the upper surface metering bin 33, paving the lower surface air-flow paver 15 on a paver 42, the paving conveyor 42 conveys the lower surface fine materials from left to right, the lower surface fine materials move to the station of the core plate feeding mechanism along with the paving conveyor 42, the core plate is laid on the lower surface fine materials through the core plate feeding mechanism, the core plate can be a multi-layer plate, an oriented structure plate, a block board and the like, then the paving conveyor 42 continues to convey the lower surface fine materials and the core plate to right, when the core plate moves to the position below the upper surface air flow paving machine 36, the upper surface air flow paving machine 36 paves the upper surface fine materials on the paving conveyor 42, after the upper surface fine materials are paved, the paving conveyor 42 conveys the lower surface fine materials, the core plate and the upper surface fine materials to the hot press 43 for hot pressing, and finally the finished plate is obtained. Compared with the prior art that the upper surface and the lower surface of the artificial board are subjected to dust scraping and sanding treatment and then are pressed and pasted with the facing layers for multiple times during the processing of the facing artificial board, the production line of the invention directly presses and forms the fine materials mixed with the adhesive on the upper surface and the lower surface of the core board in one step to obtain the facing structural board with smooth and flat surface, thereby not only needing to perform dust scraping and sanding treatment on the upper surface and the lower surface of the board, but also needing not to press and paste the facing layers on the surface of the board for multiple times to achieve the facing purpose, greatly reducing the labor cost and reducing the manufacturing process The bonding strength between the fine materials on the lower surface layer and the core plate is high, and the product quality is good. The invention realizes the mechanized operation of the production line for directly paving the fine materials containing the glue on the upper surface and the lower surface of the core board and then performing the pressing molding again to obtain the veneering structural board with smooth and flat surface, and the paving procedure of the fine materials on the lower surface layer and the paving procedure of the fine materials on the upper surface layer are simultaneously performed, thereby having high production efficiency.
The first embodiment can be further optimized or/and improved according to actual needs:
as shown in the attached figures 1-3, a lower surface layer metering conveyer belt 44 is arranged in the lower surface layer metering bin 10, and a lower surface layer rake is arranged above the lower surface layer metering conveyer belt 44; an upper surface layer metering conveyer belt 45 is arranged in the upper surface layer metering bin 33, and an upper surface layer rake is arranged above the upper surface layer metering conveyer belt 45; the lower surface layer air flow spreading machine 15 comprises a lower surface layer spreading box 46 with an open bottom, a lower surface layer feeding hole is arranged at the top of the lower surface layer spreading box 46, a lower surface layer diamond roller 47 is arranged in the lower surface layer spreading box 46 corresponding to the position below the lower surface layer feeding hole, a lower surface layer blower 16 with the air outlet direction facing to the left is arranged on the lower surface layer spreading box corresponding to the position below the right side of the lower surface layer diamond roller 47, at least two lower surface layer vibration screen meshes 48 are arranged in the lower surface layer spreading box 46 corresponding to the position below the left side of the lower surface layer diamond roller 47 at intervals from left to right, the aperture of the lower surface layer vibration screen meshes 48 from left to right is sequentially increased, a lower surface layer electric adjusting air door 49 is arranged in the lower surface layer spreading box 46 corresponding to the position below the right side of the lower surface layer diamond roller 47, the left end of the lower surface layer spreading box 46 is connected with the air inlet of the lower surface layer negative pressure fan 12 through a lower surface layer suction pipe, and the air outlet of the lower surface layer negative pressure fan 12 is connected with the air inlet of the lower surface layer dust remover 13, the discharge port of the lower surface dust remover 13 is connected with a lower surface air-tight blanking device 14; the upper surface layer airflow paving machine 36 comprises an upper surface layer paving box body 50 with an open bottom, an upper surface layer feeding hole is arranged at the top of the upper surface layer paving box body 50, an upper surface layer diamond roller 51 is arranged in the upper surface layer paving box body 50 corresponding to the position below the upper surface layer feeding hole, an upper surface layer blower 35 with the air outlet direction facing to the right is arranged on the upper surface layer paving box body 50 corresponding to the position below the left side of the upper surface layer diamond roller 51, at least two upper surface layer vibration screen meshes 52 are arranged in the upper surface layer paving box body 50 corresponding to the position below the right side of the upper surface layer diamond roller 51 at intervals from left to right, the aperture of the upper surface layer vibration screen meshes 52 from left to right is sequentially reduced, an upper surface layer electric adjusting air door 53 is arranged in the upper surface layer paving box body 50 corresponding to the position below the left side of the upper surface layer diamond roller 51, the right end of the upper surface layer paving box body 50 is connected with an air inlet of an upper surface layer negative pressure fan 37 through an upper surface layer air suction pipe, an air outlet of the upper surface layer negative pressure fan 37 is connected with an air inlet of an upper surface layer dust collector 38, the discharge outlet of the upper layer dust remover 38 is connected with an upper layer air-tight blanking device 39; the distributor 8 is an electro-hydraulic three-way distributor 8.
The heights of fine materials on a lower surface layer metering conveyor belt 44 and an upper surface layer metering conveyor belt 45 are respectively controlled by the lower surface layer material rake and the upper surface layer material rake, the amount of the fine materials supplied to the lower surface layer air flow spreading machine 15 and the upper surface layer air flow spreading machine 36 in unit time is respectively controlled by controlling the conveying speed of the lower surface layer metering conveyor belt 44 and the upper surface layer metering conveyor belt 45, after the lower surface layer fine materials enter a lower surface layer spreading box body 46 from a lower surface layer feeding hole, the lower surface layer fine materials are scattered by a lower surface layer diamond roller 47, so that the lower surface layer fine materials uniformly fall down, because at least two lower surface layer vibrating screens 48 are arranged in the lower surface layer spreading box body 46 at intervals from left to right, the aperture of the lower surface layer vibrating screens 48 from left to right is sequentially increased, therefore, when the lower surface layer fine materials falling from the lower surface layer diamond roller 47 are driven by air flow blown by the lower surface layer air blower 16 to move leftwards, the lower surface layer vibrating screens 48 with large aperture stop falling onto the spreading conveyor, the fine material of the lower surface layer with small volume is stopped by the vibrating screen 48 of the lower surface layer with small aperture and falls, namely the fine material of the lower surface layer with smaller volume falls to the left and the fine material of the lower surface layer with larger volume falls to the right, and because the paving conveyor always conveys the material to the right when the fine material of the lower surface layer falls, the fine material of the lower surface layer with large volume can fall on the fine material of the lower surface layer with small volume, namely the fine material of the upper surface layer with smaller volume and lighter weight floats to the farther and closer to the surface layer under the action of wind, thereby realizing the gradual paving of the fine material of the lower surface layer, when the finished plate is obtained by hot press molding, the lower surface of the plate is fine and smooth, and similarly, when the pneumatic paving machine 36 of the upper surface layer lays the fine material of the upper surface layer with smaller volume to the right, the fine material of the upper surface layer with larger volume falls to the left, namely the fine material of the upper surface layer with small volume can fall on the fine material of the upper surface layer with large volume, the upper surface of the finished plate obtained by hot press forming is fine and smooth, gradual pavement of a fine material layer is realized by the arrangement of the lower surface layer air flow paving machine 15 and the upper surface layer air flow paving machine 36, the lower surface layer electric air adjusting door 49 and the upper surface layer electric air adjusting door 53 are arranged, so that the air volume in the lower surface layer paving box 46 and the upper surface layer paving box 50 can be conveniently adjusted, the lower surface layer negative pressure fan 12 and the upper surface layer negative pressure fan 37 discharge clean air to the atmosphere after fine particles are respectively discharged by the lower surface layer dust remover 13 and the upper surface layer dust remover 38, and the materials subjected to dust fall in the lower surface layer dust remover 13 and the upper surface layer dust remover 38 are discharged by the lower surface layer air-closed material discharger 14 and the upper surface layer air-closed material discharger 39, so that the purification treatment of dust-containing air generated in the lower surface layer fine material and upper surface layer fine material paving process is realized.
As shown in fig. 1, 6 and 7, the core board feeding mechanism includes a core board conveying line for conveying the core board and a core board feeding manipulator 28 for grabbing and placing the core board on the core board conveying line on the paving conveyor 42, the core board conveying line includes an upper board ground roller table 20, an upper board lifting table 21, a push plate device 22, a roller table conveyor 23, a glue spreader 24 and a core board conveyor 26, which are sequentially arranged along the core board conveying direction, the glue spreader 24 is used for spreading glue on the upper surface and the lower surface of the core board, and the core board feeding manipulator 28 is used for grabbing and placing the core board on the core board conveyor 26 on the paving conveyor 42.
When the core board is conveyed, outsourcing stacked core board stacks are conveyed to the upper board ground roller table 20 by a forklift, the core board stacks are conveyed to the upper board lifting table 21 through the upper board ground roller table 20, the core boards are pushed out to the roller table conveyor 23 one by one through the mutual matching of the upper board lifting table 21 and the plate pushing device 22, then the upper surface and the lower surface of each core board are coated with glue on two sides through the glue spreader 24, and the coated core boards are picked and paved on the fine materials on the lower surface layer through the core board conveyor 26, so that the mechanical operation of the core board paving procedure is realized, the production efficiency is further improved, in addition, the glue spreader 24 is used for coating glue on two sides of the core boards, so that the joint strength of the interface between the core boards and the fine materials on the upper surface layer and the interface between the fine materials on the lower surface layer are further enhanced, and the product quality is improved.
As shown in fig. 1, 4, and 5, the core board conveying line further includes a core board drying conveyor 25 disposed between the glue spreader 24 and the core board conveyor 26 and used for conveying and drying the core boards, the core board drying conveyor 25 includes a drying device 54 and a disc conveyor disposed inside the drying device 54 and used for conveying the core boards, the disc conveyor includes a first frame 55, the first frame 55 is rotatably mounted with a plurality of first rotating shafts along a length direction, at least two first annular bearing trays 56 for bearing the core boards are mounted at intervals along an axial direction of the rotating shafts outside the first rotating shafts, the plurality of first rotating shafts are in transmission connection with a first chain through a first driven sprocket, a first driving motor is disposed on the first frame 55, and an output shaft of the first driving motor is in transmission connection with the first chain through a first driving sprocket; the core plate conveyor 26 comprises a second frame 57, a plurality of second rotating shafts are rotatably mounted on the second frame 57 along the length direction, at least two second annular bearing trays 58 for bearing the core plate are mounted on the outer sides of the second rotating shafts at intervals along the axial direction of the rotating shafts, the plurality of second rotating shafts are in transmission connection with a second chain through a second driven sprocket, a second driving motor is arranged on the second frame 57, an output shaft of the second driving motor is in transmission connection with the second chain through a second driving sprocket, and a core plate baffle which is located between every two adjacent second rotating shafts and can move up and down and a driving piece for driving the core plate baffle to move up and down are arranged on the second frame 57; the glue spreader 24 comprises an upper row of glue spreader and a lower row of glue spreader, and a core plate passing space is formed between the two rows of glue spreader; the outer sides of the core plate drying and conveying machine 25 and the glue spreader 24 are covered with waste gas collecting devices which are communicated with the VOC gas treatment device 27 through gas supply pipelines; the output end of the core plate conveyor 26 is butted with a return plate stacker 29, a return plate lifting table 30 and a return plate ground roller table 31 which are sequentially arranged along the core plate conveying direction.
According to the requirement, the drying device 54 can be an infrared drying device 54, the driving part is a hydraulic cylinder, the VOC gas treatment device 27 of the waste gas collecting device can be the prior known technology, an upper row and a lower row of glue coating rollers are arranged in the glue coating machine 24, so that double-sided glue coating can be carried out on the upper surface and the lower surface of the core plate passing through the glue coating machine 24, the disc type conveyer is used for supporting the glued core plate through a first annular bearing tray 56, the core plate conveyer 26 is used for supporting the glued core plate through a second annular bearing tray 58, the lower surface of the core plate is also glued due to double-sided glue coating, so compared with the prior plate conveyer which is a roller table conveyer 23, the contact area between the core plate and the core plate conveyer is greatly reduced through the arrangement of the disc type conveyer and the core plate conveyer 26 in the application, the damage to the glue coating layer on the lower surface of the core plate is reduced, and the core plate baffle is arranged in the plate conveyer for positioning, therefore, the core plate in a static state can be grabbed by the plate loading manipulator 28 conveniently, the glued core plate glue surface is dried by arranging the drying device 54, the water content of the glue surface of the core plate is controlled, waste gas generated by the drying station and the gluing station is collected by the waste gas collecting device and is sent into the VOC gas treatment device 27 for waste gas treatment, clean and qualified air is discharged to the atmosphere, when the core plate with unqualified gluing or not glued is found, the core plate baffle stops positioning the core plate, the core plate is conveyed to the back plate stacker 29 by the core plate conveyor 26 for stacking, the core plate is conveyed to the back plate ground roller table 31 after being stacked to a certain height, and then the core plate is conveyed by a forklift.
As shown in fig. 1, 6, and 7, the plate loading manipulator 28 includes a support 59, a longitudinal displacement module 60 capable of reciprocating back and forth and a longitudinal driving motor 72 for driving the longitudinal displacement module 60 to reciprocate back and forth are mounted on the support 59, a lateral displacement module 61 capable of reciprocating left and right and a lateral driving motor 73 for driving the lateral displacement module 61 to reciprocate left and right are disposed on the longitudinal displacement module 60, a vertical displacement module 62 capable of reciprocating up and down and a vertical driving motor 74 for driving the vertical displacement module 62 to reciprocate up and down are disposed on the lateral displacement module 61, and a mechanical gripper 63 for taking and placing the core plate is disposed on the vertical displacement module 62.
In the process of placing and paving the core board on the lower surface layer fine material, the core board is still on the core board conveyor 26 under the blocking action of the baffle, the longitudinal displacement module 60 moves to the position above the core board under the driving action of the longitudinal driving motor 72, the transverse displacement module 61 moves to the position right above the core board under the driving action of the transverse driving motor 73, the vertical displacement module 62 moves downwards under the driving action of the vertical driving motor 74, the mechanical gripper 63 grips the core board, then the vertical displacement module 62 moves upwards to lift the core board, then the longitudinal displacement module 60 moves to drive the core board to move to the position above the paving conveyor 42, then the vertical displacement module 62 moves downwards to place the core board, and meanwhile, the transverse displacement module 61 moves to enable the moving speed of the core board to be the same as the operating speed of the paving conveyor 42 until the core board is placed on the lower surface layer fine material, the mechanical gripper 63 releases the paving conveyor, and then the vertical displacement module 62 moves upwards to reset, accomplish the operation of once mating formation from this, in this application, through the setting of last trigger manipulator 28, can guarantee the removal speed of core and the conveying speed of the conveyer 42 of mating formation the same when placing the core and mating formation on the fine material of lower top layer, the relative fine material of lower top layer of core because of inertia reason takes place the dislocation from this, slides and destroys the fine material of lower top layer, has guaranteed the product surface smoothness after the later stage suppression.
As shown in fig. 1, 6 and 7, the support 59 includes a set of longitudinal rails 71 disposed parallel to the front-rear direction, the set of longitudinal rails 71 is installed above the paving conveyor 42 and located between the lower surface airlaying machine 15 and the upper surface airlaying machine 36, the set of longitudinal rails 71 is provided with two sets of front and rear longitudinal displacement modules 60, the number of core conveyor lines is two, and the core conveyors 26 in the two core conveyor lines are respectively located on the front and rear sides of the paving conveyor 42.
By arranging the front and rear longitudinal displacement modules 60 on the same longitudinal rail 71, when the mechanical grippers 63 on the front longitudinal displacement modules 60 are in the stage of placing the core plate down on the lower surface layer fine material, the mechanical grippers 63 on the rear longitudinal displacement modules 60 can be in the stage of lifting the core plate and moving the core plate to the upper side of the paving conveyor, and when the mechanical grippers 63 on the front longitudinal displacement modules 60 are in the stage of completing the placing and paving of the core plate and then grabbing the core plate again to the upper side of the paving conveyor 42, the mechanical grippers 63 on the rear longitudinal displacement modules 60 are in the stage of placing the core plate down on the lower surface layer fine material, and so on, the mechanical grippers 63 on the two longitudinal displacement modules 60 alternately perform the placing and paving work of the core plate, compared with the arrangement of only one longitudinal displacement module 60, the arrangement of the front and rear longitudinal displacement modules 60 can complete the paving work of more core plates in unit time, further improving the paving efficiency.
As shown in attached figure 1, the production line of the veneered artificial board further comprises a fine material preparation system, the fine material preparation system comprises a buffer bin 1, a fine material preparation device 2, a wind power conveying device, a screening machine 3 and a wind separation device 4, the fine material preparation device 2 is used for preparing wood fibers or wood shavings, a discharge port of the buffer bin 1 is connected with a feed port of the fine material preparation device 2, a discharge port of the fine material preparation device 2 is connected with a feed port of the screening device through the wind power conveying device, a qualified fine material discharge port of the screening device is connected with a feed port of the winnowing device 4, a unqualified fine material discharge port of the screening device is connected with a feed port of the buffer bin 1 through the wind power conveying device, and a discharge port of the winnowing device 4 is connected with a feed port of the storage bin 5; a prepress 19 is arranged on the paving conveyer 42 corresponding to the position between the lower surface layer air flow paving machine 15 and the core plate upper plate mechanism, a lower surface layer iron remover 17 is arranged between the lower surface layer air flow paving machine 15 and the prepress 19, and an upper surface layer iron remover 40 is arranged between the upper surface layer air flow paving machine 36 and the hot press 43.
According to the requirement, the fine material preparation device 2 is the prior known technology, which can be a grinding machine or a flaker, the fine material preparation device 2 processes the bamboo and wood raw materials output from the buffer bin 1 into wood fibers or wood shavings, the fine material processed by the fine material preparation device 2 is conveyed to the screening machine 3 by the wind power conveying device for screening, the screening machine 3 screens qualified fine material and conveys the qualified fine material into the winnowing device 4, the screening machine 3 screens unqualified fine material and conveys the unqualified fine material back to the buffer bin 1 again by the wind power conveying device, the winnowing device 4 screens out the impurities with increased density such as oversize fine material, sand and stone particles in the screened fine material, the clean material screened by the winnowing device 4 enters the storage bin 5 for storage, the magnetic impurities in the fine material of the lower surface layer are sucked out by arranging the iron remover 17 of the lower surface layer, the paved fine material of the lower surface layer is preliminarily pressed by arranging the prepressing machine 19, thereby preventing the fine material on the lower surface layer from being raised when the core plate is placed down for pavement, and absorbing the magnetic impurities in the fine material on the upper surface layer by arranging the iron remover 40 on the upper surface layer.
Example two: a control system applied to the production line of the facing artificial board comprises a main controller 64, a lower surface layer distance meter 65, an upper surface layer distance meter 66, a lower surface layer material level meter 67, an upper surface layer material level meter 68, a lower surface layer flow scale 11, an upper surface layer flow scale 34, a lower surface layer weighing device 18, an upper surface layer weighing device 41, a temperature sensor 69 and a speed sensor 70, wherein the lower surface layer distance meter 65 is used for measuring the material storage amount in the lower surface layer metering bin 10, the upper surface layer distance meter 66 is used for measuring the material storage amount in the upper surface layer metering bin 33, the lower surface layer material level meter 67 is used for measuring the height of the material raked and leveled by the lower surface layer material rake on the lower surface layer metering conveyer belt 44, the upper surface layer material level meter 68 is used for measuring the height of the material raked and leveled by the upper surface layer material on the upper surface layer metering conveyer belt 45, the lower surface layer flow scale 11 is used for measuring the weight of the material raked and leveled by the lower surface layer material on the upper surface layer metering conveyer belt 44 in unit area, the upper surface layer flow scale 34 is used for measuring the weight of the materials raked and leveled by the upper surface layer materials on the unit area of the upper surface layer metering conveyer belt 45, the lower surface layer weighing device 18 is arranged on the paving conveyer 42 between the lower surface layer air flow paver 15 and the prepress 19, the upper surface layer weighing device 41 is arranged on the paving conveyer 42 between the upper surface layer air flow paver 36 and the hot press 43, the temperature sensor 69 is used for measuring the temperature in the drying device 54, the speed sensor 70 is used for measuring the conveying speed of the paving conveyer, the lower surface layer distance meter 65, the upper surface layer distance meter 66, the lower surface layer material level meter 67, the upper surface layer material level meter 68, the lower surface layer flow scale 11, the upper surface layer flow scale 34, the lower surface layer weighing device 18, the upper surface layer weighing device 41, the temperature sensor 69 and the speed sensor 70 are all connected with the main controller 64, and the main controller 64 of the flowmeter 6 is respectively connected with the controller, The controller of the glue mixer 7, the controller of the lower-layer blower 16, the controller of the upper-layer blower 35, the controller of the lower-layer negative-pressure blower 12 and the controller of the upper-layer negative-pressure blower 37 are connected, a main controller 64 is respectively connected with the lower-layer electric adjusting air door 49 and the upper-layer electric adjusting air door 53, the main controller 64 is respectively connected with the controller of the lower-layer metering conveying belt 44, the controller of the upper-layer metering conveying belt 45, the controller of the lower-layer swinging conveyer 9, the controller of the upper-layer swinging conveyer 32 and the controller of the electric hydraulic three-way distributor 8, the main controller 64 is respectively connected with the longitudinal driving motor 72, the transverse driving motor and the vertical driving motor 74, the main controller 64 is connected with the controller of the drying device 54, and the main controller 64 is connected with the driving piece.
The main controller 64 is a plc controller, the models of the lower surface flow scale 11 and the upper surface flow scale 34 are both PUSHIN PDC6000, the supply amount of the fine material is calculated according to the production speed of the production line, the rotation speed of the flow meter 6 is controlled by the main controller 64 to control the supply amount of the fine material conveyed to the glue mixer 7, the balance of the feeding and discharging of the upper surface air flow spreading machine 36 and the lower surface flow spreading box is ensured, so as to avoid production interruption caused by insufficient feeding or feeding burst, the stock amounts of the material in the lower surface measuring bin 10 and the upper surface measuring bin 33 are respectively measured by the lower surface distance meter 65 and the upper surface distance meter 66 and are fed back to the main controller 64, and the electric hydraulic push rod action of the electro-hydraulic three-way distributor 8 is controlled by the main controller 64 to adjust the supply amount of the fine material of the distributor 8 to the lower surface measuring bin 10 and the upper surface measuring bin 33, the weight of the spread materials in unit area after being raked by the lower surface layer material is measured by the lower surface layer flow scale 11, the length and the width of the spread materials in unit area can be measured by the lower surface layer flow scale 11, the height of the spread materials after being raked is measured by the lower surface layer material level instrument 67, the density of the spread materials in unit area can be calculated, the main controller 64 controls the conveying speed of the lower surface layer measuring conveyer belt 44 according to the weight of the fine materials in the lower surface layer required by production, the blanking weight of the fine materials in the lower surface layer in unit time is controlled, the main controller 64 controls the blanking speed and the blanking position of the lower surface layer swinging conveyer 9 by receiving the feedback information of the lower surface layer weighing device 18 and the lower surface layer flow scale 11, the fine materials are uniformly distributed in the lower surface layer measuring bin 10, similarly, the weight of the spread materials in unit area after being raked by the upper surface layer material is measured by the upper surface layer flow scale 34, and the length, width and the width of the spread materials in unit area can be measured by the upper surface layer flow scale 34, The width of the material is measured by an upper surface material level instrument 68, the paving density in a unit area can be calculated, a main controller 64 controls the conveying speed of an upper surface layer measuring conveying belt 45 according to the weight of the upper surface layer fine materials required by production, the blanking weight of the upper surface layer fine materials in unit time is controlled, the main controller 64 controls the blanking speed and the blanking position of an upper surface layer swinging conveyer 32 by receiving feedback information of an upper surface layer weighing device 41 and an upper surface layer flow scale 34, the fine materials are uniformly distributed in an upper surface layer measuring bin 33, the main controller 64 controls the output air volume of a lower surface layer air blower 16, the output air volume of a lower surface layer electric adjusting air door 49 and the suction air volume of a lower surface layer negative pressure air blower 12 according to the blanking weight of the lower surface layer fine materials, and the main controller 64 controls the output air volume of an upper surface layer 35 according to the blanking weight of the upper surface layer fine materials, The output air volume of upper surface layer electric damper 53, the intake air volume of upper surface layer negative pressure fan 37, temperature sensor 69 is used for detecting the temperature in drying device 54, main control unit 64 receives the drying temperature in temperature information control drying device 54 that temperature sensor 69 feedbacks, adjust the core veneer glue face moisture content from this, main control unit 64 controls the action of driving piece and then the action of drive core veneer baffle from top to bottom, with the location core, speed sensor 70 is used for measuring the conveying speed of conveyer 42 of mating formation, main control unit 64 receives the rotational speed of speed information control transverse drive motor 73 that speed sensor 70 feedbacks, guarantee from this when putting the core under the surface layer fines of mating formation, core moving speed and the conveying speed of conveyer 42 are the same, the automated control of whole set of production line has been realized through this control system's setting in this application.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims (10)

1. A production line of a decorative artificial board is characterized by comprising a storage bin, a flowmeter, a glue mixer, a distributor, a lower surface layer swing conveyor, an upper surface layer swing conveyor, a lower surface layer metering bin, an upper surface layer metering bin, a lower surface layer air flow spreading machine, an upper surface layer air flow spreading machine, a spreading conveyor, a hot press and a core board upper plate mechanism, wherein a discharge port of the storage bin is butted with a feed port of the flowmeter, a discharge port of the flowmeter is butted with a feed port of the glue mixer, a feed port of the glue mixer is butted with a feed port of the distributor, the distributor is provided with two discharge ports, the two discharge ports of the distributor are respectively butted with a feed end of the lower surface layer swing conveyor and a feed end of the upper surface layer swing conveyor, a discharge end of the lower surface layer swing conveyor is butted with the feed port of the lower surface layer metering bin, and a discharge end of the upper surface layer swing conveyor is butted with the feed port of the upper surface layer metering bin, the discharge gate of lower top layer measuring bin and the feed inlet of lower top layer air current spreading machine dock, the discharge gate of upper surface measuring bin and the feed inlet of upper surface air current spreading machine dock, lower top layer air current spreading machine and upper surface air current spreading machine set up the top at the conveyer of mating formation from left to right, the conveyer of mating formation is used for from left to right transported substance material, core upper plate mechanism is used for laying the slab and places on the conveyer of mating formation that lies in position between lower top layer air current spreading machine and the upper surface air current spreading machine.
2. A production line of artificial boards with decorative surfaces according to claim 1, wherein the lower surface layer measuring bin is internally provided with a lower surface layer measuring conveyer belt, and a lower surface layer rake is arranged above the lower surface layer measuring conveyer belt; an upper surface layer metering conveyer belt is arranged in the upper surface layer metering bin, and an upper surface layer rake is arranged above the upper surface layer metering conveyer belt; the lower surface layer air flow paving machine comprises a lower surface layer paving box body with an open bottom, wherein a lower surface layer feeding hole is arranged at the top of the lower surface layer paving box body, a lower surface layer diamond roller is arranged in the lower surface layer paving box body corresponding to the position below the lower surface layer feeding hole, a lower surface layer air blower with the air outlet direction facing to the left is arranged on the lower surface layer paving box body corresponding to the position below the right side of the lower surface layer diamond roller, at least two lower surface layer vibration screen meshes are arranged in the lower surface layer paving box body corresponding to the position below the left side of the lower surface layer diamond roller at intervals from left to right, the aperture of the lower surface layer vibration screen meshes from left to right is sequentially increased, a lower surface layer electric adjusting air door is arranged in the lower surface layer paving box body corresponding to the position below the right side of the lower surface layer diamond roller, the left end of the lower surface layer paving box body is connected with an air inlet of a lower surface layer negative pressure fan through a lower surface layer air suction pipe, and an air outlet of the lower surface layer negative pressure fan is connected with an air inlet of a lower surface layer dust remover, the discharge port of the lower surface dust remover is connected with the lower surface air-tight blanking device; the upper surface air flow paving machine comprises an upper surface paving box body with an open bottom, an upper surface layer feeding hole is arranged at the top of the upper surface paving box body, an upper surface layer diamond roller is arranged in the upper surface layer paving box body corresponding to the position below the upper surface layer feeding hole, an upper surface layer air blower with the air outlet direction facing right is arranged on the upper surface layer paving box body corresponding to the position below the left side of the upper surface layer diamond roller, at least two upper surface layer vibration screen meshes are arranged in the upper surface layer paving box body corresponding to the position below the right side of the upper surface layer diamond roller at intervals from left to right, the aperture of the upper surface layer vibration screen meshes from left to right is sequentially reduced, an upper surface layer electric adjusting air door is arranged in the upper surface layer paving box body corresponding to the position below the left side of the upper surface layer diamond roller, the right end of the upper surface layer paving box body is connected with an air inlet of an upper surface negative pressure air fan through an upper surface layer aspiration channel, an air outlet of the upper surface negative pressure fan is connected with an air inlet of an upper surface dust remover, the discharge port of the upper layer dust remover is connected with the upper layer air-tight blanking device; the distributor is an electro-hydraulic three-way distributor.
3. The veneerable artificial board production line according to claim 1, wherein the core board feeding mechanism comprises a core board conveying line for conveying the core board and a core board feeding manipulator for grabbing and placing the core board on the core board conveying line on the paving conveyor, the core board conveying line comprises an upper board ground roller table, an upper board lifting table, a push plate device, a roller table conveyor, a glue spreader and a core board conveyor which are sequentially arranged along the core board conveying direction, the glue spreader is used for spreading glue on the upper surface and the lower surface of the core board, and the feeding manipulator is used for grabbing and placing the core board on the core board conveyor on the paving conveyor.
4. The production line of the artificial board with the veneer surface according to claim 2, characterized in that the core board feeding mechanism comprises a core board conveying line for conveying the core board and a core board feeding manipulator for grabbing and placing the core board on the core board conveying line on the paving conveyor, wherein the core board conveying line comprises a core board feeding ground roller table, a core board lifting table, a plate pushing device, a roller table conveyor, a glue spreader and a core board conveyor which are sequentially arranged along the core board conveying direction, the glue spreader is used for spreading glue on the upper surface and the lower surface of the core board, and the core board feeding manipulator is used for grabbing and placing the core board on the core board conveyor on the paving conveyor.
5. The veneer artificial board production line according to claim 3, wherein the core board conveying line further comprises a core board drying conveyor arranged between the glue spreader and the core board conveyor and used for conveying and drying the core board, the core board drying conveyor comprises a drying device and a disc conveyor arranged inside the drying device and used for conveying the core board, the disc conveyor comprises a first frame, a plurality of first rotating shafts are rotatably arranged on the first frame along the length direction, at least two first annular bearing trays used for bearing the core board are arranged on the outer sides of the first rotating shafts at intervals along the axial direction of the rotating shafts, the first rotating shafts are in transmission connection with a first chain through first driven sprockets, a first driving motor is arranged on the first frame, and an output shaft of the first driving motor is in transmission connection with the first chain through a first driving sprocket; the core plate conveyor comprises a second rack, a plurality of second rotating shafts are rotatably arranged on the second rack along the length direction, at least two second annular bearing trays for bearing the core plate are arranged on the outer sides of the second rotating shafts at intervals along the axial direction of the rotating shafts, the plurality of second rotating shafts are in transmission connection with a second chain through a second driven sprocket, a second driving motor is arranged on the second rack, an output shaft of the second driving motor is in transmission connection with the second chain through a second driving sprocket, and a core plate baffle which is positioned between every two adjacent second rotating shafts and can move up and down and a driving piece for driving the core plate baffle to move up and down are arranged on the second rack; the glue spreader comprises an upper row of glue spreading rollers and a lower row of glue spreading rollers, and a core plate passing space is formed between the two rows of glue spreading rollers; the outer sides of the core plate drying and conveying machine and the glue spreader are covered with waste gas collecting devices which are communicated with the VOC gas treatment device through gas supply pipelines; the output end of the core plate conveyor is butt jointed with a return plate stacker, a return plate lifting platform and a return plate ground roller platform which are sequentially arranged along the conveying direction of the core plate.
6. The veneerable artificial board production line according to claim 4, wherein the core board conveying line further comprises a core board drying conveyor arranged between the glue spreader and the core board conveyor and used for conveying and drying the core boards, the core board drying conveyor comprises a drying device and a disc conveyor arranged inside the drying device and used for conveying the core boards, the disc conveyor comprises a first frame, a plurality of first rotating shafts are rotatably arranged on the first frame along the length direction, at least two first annular bearing trays used for bearing the core boards are arranged on the outer sides of the first rotating shafts at intervals along the axial direction of the rotating shafts, the first rotating shafts are in transmission connection with a first chain through first driven sprockets, a first driving motor is arranged on the first frame, and an output shaft of the first driving motor is in transmission connection with the first chain through a first driving sprocket; the core plate conveyor comprises a second rack, a plurality of second rotating shafts are rotatably arranged on the second rack along the length direction, at least two second annular bearing trays for bearing the core plate are arranged on the outer sides of the second rotating shafts at intervals along the axial direction of the rotating shafts, the plurality of second rotating shafts are in transmission connection with a second chain through a second driven sprocket, a second driving motor is arranged on the second rack, an output shaft of the second driving motor is in transmission connection with the second chain through a second driving sprocket, and a core plate baffle which is positioned between every two adjacent second rotating shafts and can move up and down and a driving piece for driving the core plate baffle to move up and down are arranged on the second rack; the glue spreader comprises an upper row of glue spreading rollers and a lower row of glue spreading rollers, and a core plate passing space is formed between the two rows of glue spreading rollers; the outer sides of the core plate drying and conveying machine and the glue spreader are covered with waste gas collecting devices which are communicated with the VOC gas treatment device through gas supply pipelines; the output end of the core plate conveyor is butt jointed with a return plate stacker, a return plate lifting platform and a return plate ground roller platform which are sequentially arranged along the conveying direction of the core plate.
7. The veneerable artificial board production line according to claim 6, wherein the board loading manipulator comprises a support, a longitudinal displacement module capable of reciprocating back and forth and a longitudinal driving motor for driving the longitudinal displacement module to reciprocate back and forth are mounted on the support, a transverse displacement module capable of reciprocating left and right and a transverse driving motor for driving the transverse displacement module to reciprocate left and right are arranged on the longitudinal displacement module, a vertical displacement module capable of reciprocating up and down and a vertical driving motor for driving the vertical displacement module to reciprocate up and down are arranged on the transverse displacement module, and a mechanical gripper for taking and placing the core board is arranged on the vertical displacement module.
8. The production line of artificial veneer sheets according to claim 7, wherein the support comprises a set of longitudinal rails arranged in parallel in the front-to-rear direction, the set of longitudinal rails is installed above the paving conveyor and located between the lower surface air-flow paving machine and the upper surface air-flow paving machine, the set of longitudinal rails is provided with a front set of longitudinal displacement modules and a rear set of longitudinal displacement modules, the number of the core plate conveyor lines is two, and the core plate conveyors in the two core plate conveyor lines are respectively located on the front side and the rear side of the paving conveyor.
9. The production line of veneered artificial boards according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, further comprising a fines preparation system, wherein the fines preparation system comprises a buffer bin, a fines preparation device, a wind power conveying device, a screening machine and a wind separation device, the fines preparation device is used for preparing wood fibers or wood shavings, a discharge port of the buffer bin is connected with a feed port of the fines preparation device, a discharge port of the fines preparation device is connected with a feed port of the screening device through the wind power conveying device, a qualified fines discharge port of the screening device is connected with a feed port of the wind separation device, a unqualified fines discharge port of the screening device is connected with a feed port of the buffer bin through the wind power conveying device, and a discharge port of the wind separation device is connected with a feed port of the storage bin; a prepress is arranged on the paving conveyer corresponding to the position between the lower surface layer air flow paving machine and the core plate upper plate mechanism, a lower surface layer iron remover is arranged between the lower surface layer air flow paving machine and the prepress, and an upper surface layer iron remover is arranged between the upper surface layer air flow paving machine and the hot press.
10. A control system applied to the production line of the veneered artificial board as claimed in claim 8, characterized by comprising a main controller, a lower surface range finder for measuring the storage amount in the lower surface measuring bin, an upper surface range finder for measuring the storage amount in the upper surface measuring bin, a lower surface flow scale, an upper surface flow scale, a lower surface weighing device, an upper surface weighing device, a temperature sensor and a speed sensor, wherein the lower surface range finder is used for measuring the storage amount in the lower surface measuring bin, the upper surface range finder is used for measuring the storage amount in the upper surface measuring bin, the lower surface level finder is used for measuring the height of the material raked by the lower surface material on the lower surface measuring conveyor belt, the upper surface level finder is used for measuring the height of the material raked by the upper surface material rake on the upper surface measuring conveyor belt, the lower surface flow scale is used for measuring the weight of the material raked by the lower surface material on the unit area on the lower surface measuring conveyor belt, the upper surface layer flow scale is used for measuring the weight of materials raked and leveled by the upper surface layer materials on a unit area of an upper surface layer metering conveyor belt, the lower surface layer weighing device is arranged on a paving conveyor arranged between the lower surface layer airflow paving machine and a prepressing machine, the upper surface layer weighing device is arranged on the paving conveyor arranged between the upper surface layer airflow paving machine and a hot press, the temperature sensor is used for measuring the temperature in the drying device, the speed sensor is used for measuring the conveying speed of the paving conveyor, the lower surface layer distance meter, the upper surface layer distance meter, the lower surface layer level meter, the upper surface layer level meter, the lower surface layer flow scale, the upper surface layer weighing device, the temperature sensor and the speed sensor are all connected with the main controller, the main controller is respectively connected with the controller of a flow meter, the controller of a glue mixer and the controller of a lower surface layer blower, The controller of upper surface air-blower, lower surface negative pressure air blower's controller and upper surface negative pressure air blower's controller are connected, main control unit respectively with lower surface layer electric damper, upper surface layer electric damper is connected, main control unit respectively with the controller of lower surface layer measurement conveyer belt, the controller of upper surface layer measurement conveyer belt, the controller of lower surface layer swing conveyer, the controller of upper surface layer swing conveyer, the controller of electro-hydraulic tee bend tripper is connected, main control unit respectively with vertical driving motor, transversely be connected to driving motor and vertical driving motor, main control unit is connected with drying device's controller, main control unit is connected with the driving piece.
CN202111501690.5A 2021-12-09 2021-12-09 But veneer wood-based panel production line and control system Active CN114290456B (en)

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