CN113263573A - Preparation method of plywood - Google Patents
Preparation method of plywood Download PDFInfo
- Publication number
- CN113263573A CN113263573A CN202110535294.8A CN202110535294A CN113263573A CN 113263573 A CN113263573 A CN 113263573A CN 202110535294 A CN202110535294 A CN 202110535294A CN 113263573 A CN113263573 A CN 113263573A
- Authority
- CN
- China
- Prior art keywords
- veneer
- frame body
- plate
- driving roller
- splicing frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
- B27K5/0075—Vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
Abstract
The invention discloses a preparation method of a plywood, which comprises the following steps: the veneer soaked with the complexing agent is fixed in the placing frame, the placing frame filled with the veneer is placed in the middle of the lower splicing frame body positioned at the top of the bottom plate, the screw rotates to enable the upper splicing frame body to move downwards and cover the top of the lower splicing frame body, the upper splicing frame body and the lower splicing frame body are spliced with each other to form a sealing frame, the sealing frame plays a role of a sealing tank, and is convenient to disassemble and assemble, so that the veneer soaked with the complexing agent in the placing frame is positioned in a sealing environment, the heating plate is used for heating the inside of the sealing frame, meanwhile, the pressure regulating valve and the connecting air passage are used for pumping air in the sealing frame into the air pressure tank, the pressure in the sealing frame is further improved, the veneer is positioned in a high-temperature and high-pressure environment in the sealing frame, the soaked complexing agent molecules can be promoted to diffuse into the veneer, and the toughness of fibers on the surface of the veneer is improved, effectively enhancing the fracture resistance of the veneer.
Description
Technical Field
The invention relates to the technical field of plywood preparation, in particular to a preparation method of plywood.
Background
The plywood is one of common materials of furniture, one of three large plates of artificial board, can also supply function materials such as the plane, shipping, train, car, building and packing box, etc., the plywood is a three-layer or multi-layer plate-shaped material that is cut into the veneer by the rotary cut of the wood section or sliced into the veneer by the flitch, reuse the adhesive to glue, usually use the odd number layer veneer, and make the fibrous direction of the adjacent layer veneer vertical to each other glue and get final product, its surface veneer and inner ply dispose in the both sides of the core of centre layer or board symmetrically usually, the veneer used in the plywood needs to soak the compounding agent before gluing, to improve toughness and compressive capacity of the veneer;
however, the veneer used by the existing plywood is directly washed and glued after being soaked in the complexing agent, and the complexing agent is not fully diffused into the veneer, so that the prepared plywood has weak compressive capacity, and the normal use of the plywood is influenced by the poor quality of the plywood.
Disclosure of Invention
The invention provides a preparation method of a plywood, which can effectively solve the problem that the normal use of the plywood is influenced by the poor quality of the plywood caused by the weak compressive capacity of the prepared plywood because the veneers used by the plywood in the background technology are directly washed and glued after being soaked in a complexing agent which is not fully diffused into the veneers.
In order to achieve the purpose, the invention provides the following technical scheme: a method for preparing plywood comprises the following steps:
s1: placing: fixing the single plates soaked with the complexing agent in the placing frame, placing the placing frame filled with the single plates in the middle of the lower splicing frame body positioned at the top of the bottom plate, and enabling the upper splicing frame body to move downwards and cover the top of the lower splicing frame body through rotation of the screw rod;
s2: and (3) treatment: the heating plate heats the interiors of the lower splicing frame body and the upper splicing frame body, and the electromagnetic valve extracts air in the interiors of the lower splicing frame body and the upper splicing frame body, so that the single plates placed in the interiors of the frames are subjected to heat preservation and pressure maintaining treatment;
s3: turning: the temperature difference occurs in the lower splicing frame body, the zinc rod is heated and then deforms, and is in contact with the starting switch, the electric telescopic rod extends to push the long rack forwards, so that the driving gear and the movable column both rotate, and the placing frame can be turned inside the lower splicing frame body;
s4: cleaning: after the veneers are arranged in the lower splicing frame body for a period of time, the veneers are taken out and are sequentially placed in a gap between the lower driving roller and the upper driving roller, the lower driving roller and the upper driving roller convey the veneers forwards, and water for cleaning is sprayed on the surfaces of the veneers along the water seepage holes for cleaning;
s5: washing: the cleaning water flows into the hollow connecting rod along the conveying pipeline, so that the hollow connecting rod slides obliquely along the inclined guide plate until the hollow connecting rod is positioned at the top of the lower splicing frame body, and the cleaning spray head sprays the water into the lower splicing frame body and the upper splicing frame body for washing;
s6: leveling: the veneer after washing is along connecing the material swash plate to slide on the conveyer belt, and the conveyer belt drives the veneer and advances forward, and the baffler makes the veneer keep the parallel and level to stop at the conveyer belt top, upwards promotes arc extrusion piece and baffler when extrusion cam rotates for the veneer passes the bottom of baffler.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the device is provided with a single-plate pretreatment mechanism, the screw rod is driven to rotate by a driving motor, so that the movable frame and the upper splicing frame body can be lifted, the upper splicing frame body and the lower splicing frame body are spliced with each other to form a sealing frame, and the function of a sealing tank is achieved, and the disassembly and the assembly are convenient, so that the veneer which is placed in the frame and soaked by the complexing agent is in a sealed environment, the heating plate is used for heating the inside of the sealing frame, the pressure regulating valve and the connecting air passage are used for pumping the air inside the sealing frame into the air pressure tank, thereby improving the pressure intensity in the sealing frame, leading the single plate to be positioned in the high-temperature and high-pressure environment in the sealing frame, can promote the diffusion of the soaked complexing agent molecules to the interior of the veneer, improve the toughness of the surface fiber of the veneer, effectively enhance the fracture resistance of the veneer, the veneer is processed before being glued and spliced, so that the quality of the plywood is improved, and the service life of the plywood is prolonged.
2. The heating plate heats the sealing frame formed by splicing the lower splicing frame body and the upper splicing frame body from the lower part, so that the upper temperature and the lower temperature of the sealing frame are inconsistent, the top part and the bottom part of the veneer are heated unevenly, the zinc rod is heated in the sealing frame, the zinc rod is deformed and extends forwards due to the principle of expansion with heat and contraction with cold, the coefficient of expansion with heat of zinc is high, the expression of temperature difference is more accurate, the two zinc rods positioned above and below the movable column have different distances from the heating plate, namely, the heating degrees are different, so that the extending distances of the zinc rods are different, after the upper temperature difference and the lower temperature difference inside the sealing frame reach a certain degree, the zinc rod positioned below extends and contacts with the starting switch, the electric telescopic rod is started, the driving gear and the movable column rotate by utilizing the mutual meshing of the long rack and the driving gear, and the placing frame and, the placing frame can be made to rotate in time according to the actual temperature difference inside the sealing frame, the frame is not required to be driven mechanically frequently to rotate, the single plate can be heated sufficiently inside the sealing frame, and the phenomenon that the heating effect is reduced due to the fact that the rotating frequency of the single plate is too high is avoided.
3. The veneer cleaning mechanism is arranged, a veneer is placed in a gap between the lower driving roller and the upper driving roller after high-temperature and high-pressure treatment, the veneer can be conveyed forwards by utilizing the rotation of the lower driving roller and the upper driving roller, the front parts of the lower driving roller and the upper driving roller can clean the residual complexing agent on the surface of the veneer, the veneer is advanced to the lower part of the waterproof cover, the flow distribution box body and the water seepage holes spray water onto the surface of the veneer, the veneer is cleaned, the water on the surface of the cleaned veneer can be removed by the rear parts of the lower driving roller and the upper driving roller, the cleaned veneer is guaranteed to be kept dry, subsequent processing is facilitated, and water cannot drip all around to cause dirty and messy working environment.
4. The water that the veneer washd usefulness can drip to inside the water catch bowl, and inside flowing towards hollow connecting rod through pipeline, water is gathered in hollow connecting rod inside, the gravity of water self can push down hollow connecting rod, slider and hollow connecting rod can slide down along the slope deflector, make hollow connecting rod and washing shower nozzle remove to concatenation framework top down, the water of using after utilizing the veneer to wash can be to splicing framework and the inside washing of last concatenation framework down, get rid of when being heated the compound agent drippage on veneer surface concatenation framework under or by the evaporation adhesion at the vestige that splices framework inner wall formed at last, make concatenation framework and last concatenation framework keep clean down, the utilization ratio to the resource has been improved, make the whole course of working embody energy-concerving and environment-protective theory more.
5. The veneer collecting and arranging mechanism is arranged, the veneers after being cleaned fall on the material receiving inclined plate, the buffer block and the buffer spring play a role of buffering, the rubber pads are wrapped on the surface of the material receiving inclined plate, corner damage when the veneers fall down is effectively avoided, the veneers fall on the conveyor belt, the veneers are separated by the separation plate, the conveyor belt continuously advances forwards, the veneers simultaneously receive resistance and forward driving force, the edge parts of the veneers can be completely attached to the separation plate, the veneers are ensured to be kept flush, the driving gear can be driven to rotate when the conveying shaft continuously rotates, the driven gear and the extrusion cam can rotate, the arc-shaped extrusion block can be extruded when the extrusion cam rotates to the upper part, the bottom end of the arc-shaped extrusion block is in a plane state, the extrusion cam is in contact with the bottom end of the arc-shaped extrusion block, the arc-shaped extrusion block is pushed upwards, and the separation plate does not block the veneers any more, the veneer can be conveyed to a preset position along the conveying belt in a flat mode.
In conclusion, through the mutual cooperation of the veneer pretreatment mechanism and the veneer cleaning mechanism, the air inside the sealing frame body formed by splicing the lower splicing frame body and the upper splicing frame body is pumped into the air pressure tank for compression and storage, when the veneer is cleaned, the electromagnetic valve is started to convey the air inside the air pressure tank to the inside of the upper air distribution box through the air conveying pipe, the compressed air flows to the side air distribution box through the through pipe, is simultaneously discharged outwards through the air distribution holes and the air exhaust holes and is blown to the veneer, impurities and dust on the surface of the uncleaned veneer can be removed when the air is blown to the surface of the veneer, the cleaning efficiency is improved, meanwhile, the lower driving roller and the upper driving roller are cleaned to a certain degree, the compressed air inside the air pressure tank is pumped out from the inside of the sealing frame body and has a certain temperature, and can absorb the compound agent which promotes the surface to remain again when the air is blown to the veneer, so as to play a role of secondary treatment, and when the compressed air is blown to the surface of the cleaned veneer, the veneer is dried, so that the surface of the veneer is kept dry.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of the steps of the present invention;
FIG. 2 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 3 is a schematic view of the mounting structure of the support bracket of the present invention;
FIG. 4 is a schematic view of the mounting structure of the air pressure tank of the present invention;
FIG. 5 is a schematic view of the mounting structure of the hollow link of the present invention;
FIG. 6 is a schematic view of the installation structure of the pressure regulating valve of the present invention;
FIG. 7 is a schematic diagram of the architecture of the on-board pre-processing mechanism of the present invention;
FIG. 8 is a schematic structural view of a veneer cleaning mechanism of the present invention;
FIG. 9 is a schematic view of the installation structure of the waterproof cover of the present invention;
FIG. 10 is a schematic structural diagram of a veneer collecting and arranging mechanism according to the present invention;
FIG. 11 is a schematic view of the mounting structure of the buffer block of the present invention;
reference numbers in the figures: 1. a base plate; 2. fixing a bracket;
3. a single board pretreatment mechanism; 301. a lower splicing frame body; 302. heating plates; 303. a screw; 304. a drive motor; 305. positioning a rod; 306. a movable frame; 307. an upper splicing frame body; 308. a movable post; 309. a card slot; 310. a fixed mount; 311. a zinc rod; 312. a movable plate; 313. a compression spring; 314. a lower extrusion column; 315. starting a switch; 316. an upper extrusion column; 317. an arc-shaped slot; 318. a drive gear; 319. a long rack; 320. an electric telescopic rod; 321. placing the frame; 322. a top cover; 323. a side plate; 324. a clamping block;
4. a mounting frame;
5. a veneer cleaning mechanism; 501. installing a transverse plate; 502. a lower drive roller; 503. an upper drive roller; 504. a limiting plate; 505. a waterproof cover; 506. a shunt box body; 507. a water seepage hole; 508. a water storage tank body; 509. a water inlet pipe; 510. a water collection tank; 511. an inclined guide plate; 512. a slider; 513. a hollow connecting rod; 514. a return spring; 515. cleaning the spray head; 516. a delivery conduit; 517. a pressure regulating valve; 518. connecting an air passage; 519. an air pressure tank; 520. an electromagnetic valve; 521. a gas delivery pipe; 522. an air distribution box is arranged; 523. distributing air holes; 524. pipe passing; 525. a side gas distribution box; 526. an exhaust hole; 527. a drain pipe;
6. a veneer collecting and arranging mechanism; 601. a fixed seat; 602. a buffer spring; 603. a buffer block; 604. a material receiving sloping plate; 605. a support frame; 606. a delivery shaft; 607. a conveyor belt; 608. a conveying motor; 609. a driving gear; 610. a driven gear; 611. an extrusion cam; 612. a vertical guide plate; 613. a lifting block; 614. an arc-shaped extrusion block; 615. a cross bar; 616. a barrier plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1 to 11, the present invention provides a technical solution, a method for preparing plywood, comprising the steps of:
s1: placing: fixing the single plates soaked with the complexing agent in the placing frame 321, placing the placing frame 321 filled with the single plates in the middle of the lower splicing frame body 301 positioned at the top of the bottom plate 1, and rotating the screw 303 to enable the upper splicing frame body 307 to move downwards and cover the top of the lower splicing frame body 301;
s2: and (3) treatment: the heating plate 302 heats the interiors of the lower splicing frame body 301 and the upper splicing frame body 307, and the electromagnetic valve 520 extracts air in the interiors of the lower splicing frame body 301 and the upper splicing frame body 307, so that the single plates placed in the frame 321 are subjected to heat preservation and pressure maintaining treatment;
s3: turning: when temperature difference occurs inside the lower splicing frame body 301, the zinc rod 311 deforms after being heated and contacts the starting switch 315, the electric telescopic rod 320 extends to push the long rack 319 forward, so that the driving gear 318 and the movable column 308 both rotate, and the placing frame 321 can turn inside the lower splicing frame body 301;
s4: cleaning: after the veneers are arranged in the lower splicing frame body 301 for a period of time, the veneers are taken out and are sequentially placed in a gap between the lower driving roller 502 and the upper driving roller 503, the lower driving roller 502 and the upper driving roller 503 convey the veneers forwards, and water for cleaning is sprayed on the surfaces of the veneers along the water seepage holes 507 for cleaning;
s5: washing: the cleaning water flows into the hollow connecting rod 513 along the conveying pipeline 516, so that the hollow connecting rod 513 slides obliquely along the inclined guide plate 511 until the hollow connecting rod 513 is positioned at the top of the lower splicing frame body 301, and the cleaning spray head 515 sprays the water into the lower splicing frame body 301 and the upper splicing frame body 307 for washing;
s6: leveling: the cleaned veneer slides to the conveying belt 607 along the material receiving sloping plate 604, the conveying belt 607 drives the veneer to move forward, the blocking plate 616 enables the veneer to stay at the top of the conveying belt 607 in a flush manner, and the arc-shaped extrusion block 614 and the blocking plate 616 are pushed upwards when the extrusion cam 611 rotates, so that the veneer passes through the bottom of the blocking plate 616;
the two ends of the top of the bottom plate 1 are symmetrically and fixedly provided with the fixed supports 2, the middle part of the top end of the bottom plate 1 is provided with the veneer pretreatment mechanism 3, the lower splicing frame body 301 and the upper splicing frame body 307 are spliced into a sealing frame body, the veneer soaked with the complexing agent is subjected to heat preservation and pressure maintaining treatment, the complexing agent is promoted to diffuse towards the inside of the veneer, the placing frame 321 is indirectly controlled according to the deformation of the zinc rod 311 caused by temperature difference, and the veneer is ensured to be heated more uniformly;
the veneer preprocessing mechanism 3 comprises a lower splicing frame body 301, a heating plate 302, a screw 303, a driving motor 304, a positioning rod 305, a movable frame 306, an upper splicing frame body 307, a movable column 308, a clamping groove 309, a fixed frame 310, a zinc rod 311, a movable plate 312, an extrusion spring 313, a lower extrusion column 314, a starting switch 315, an upper extrusion column 316, an arc-shaped groove 317, a driving gear 318, a long rack 319, an electric telescopic rod 320, a placing frame 321, a top cover 322, a side plate 323 and a clamping block 324;
a lower splicing frame body 301 is fixedly arranged in the middle of the top end of a bottom plate 1, a heating plate 302 is embedded and arranged in the bottom end of the lower splicing frame body 301, driving motors 304 are fixedly arranged at the top ends of two fixed brackets 2, screw rods 303 are fixedly arranged at output shafts of the two driving motors 304, positioning rods 305 are respectively fixedly arranged at two ends of the top of the bottom plate 1 at one side of the two screw rods 303, movable frames 306 are movably arranged in the middle of the screw rods 303 and the positioning rods 305, an upper splicing frame body 307 is fixedly arranged between the bottom ends of the four movable frames 306, movable columns 308 are symmetrically and rotatably arranged at two ends of the top of the lower splicing frame body 301, clamping grooves 309 are symmetrically arranged at the top of each movable column 308, fixed frames 310 are symmetrically and fixedly arranged at the top and the bottom of one end of each movable column 308, a zinc rod 311 is fixedly arranged in the middle of each fixed frame 310, the movable frames 306 are connected with the screw rods 303 through threads, and a semicircular groove is arranged at the bottom of the upper splicing frame body 307, the diameter of the semicircular groove is the same as that of the movable column 308, the tooth at the bottom of the driving gear 318 is meshed with the long rack 319, a gap is reserved between the edge of the placing frame 321 and the inner wall of the lower splicing frame body 301, the driving motor 304 is used for driving the screw 303 to rotate, so that the movable frame 306 and the upper splicing frame body 307 can be lifted, the upper splicing frame body 307 and the lower splicing frame body 301 are spliced with each other to form a sealed frame, the sealed frame has the function of a sealed tank, the veneer soaked by the complexing agent in the placing frame 321 is in a sealed environment, the heating plate 302 is used for heating the inside of the sealed frame, meanwhile, the pressure regulating valve 517 and the connecting air channel 518 are used for pumping the air in the sealed frame into the air pressure tank 519, the pressure in the sealed frame is further increased, the veneer is positioned in a high-temperature and high-pressure environment in the sealed frame, and the diffusion of the soaked complexing agent molecules to the inside of the veneer can be promoted, the toughness of the surface fiber of the veneer is improved, the fracture resistance of the veneer is effectively enhanced, the veneer is processed before the veneer is glued and spliced, and the quality and the service life of the plywood are improved;
one end of the movable column 308 is movably sleeved with a movable plate 312, one end of the movable plate 312 is fixedly connected with an extrusion spring 313, the bottom of the movable plate 312 is fixedly provided with a lower extrusion column 314, one end of the lower extrusion column 314 is fixedly provided with a starting switch 315, two ends of the bottom of the upper splicing frame 307 are symmetrically and movably provided with upper extrusion columns 316, the inner walls of two ends of the lower splicing frame 301 and the upper splicing frame 307 are positioned at one side of the lower extrusion column 314 and one side of the upper extrusion column 316 are both provided with arc-shaped grooves 317, the end part of the starting switch 315 is flush with the side of the arc-shaped grooves 317, the end part of the upper extrusion column 316 extends out of the side of the arc-shaped grooves 317, two sides of one end of the upper extrusion column 316 are provided with inclination angles, the end surface of the other end of the upper extrusion column 316 is positioned at the same horizontal plane with the side of the movable plate 312, the signal output end of the starting switch 315 is connected with the signal input end of the electric telescopic rod 320, one end of the movable column 308 is fixedly connected with a driving gear 318, the bottom end of the lower splicing frame body 301 is movably provided with a long rack 319 at a position below the driving gear 318, the bottom end of the long rack 319 is fixedly connected with an electric telescopic rod 320, the middle part of the lower splicing frame body 301 is provided with a placing frame 321, the top part of the placing frame 321 is fixedly provided with a top cover 322 through a bolt, two side parts of the placing frame 321 are symmetrically and fixedly provided with side plates 323, one end of each side plate 323 is symmetrically and fixedly connected with a fixture block 324 at a position corresponding to the clamping groove 309, the fixture block 324 is embedded into the clamping groove 309, the height of the fixture block 324 is smaller than the depth of the clamping groove 309, so that the fixture block 324 cannot obstruct the rotation of the movable column 308, the heating plate 302 heats the sealing frame formed by splicing the lower splicing frame body 301 and the upper splicing frame body 307 from the lower part, so that the upper temperature and the lower temperature of the sealing frame are inconsistent, the top and the bottom of the veneer are heated unevenly, the zinc rod 311 is heated in the sealing frame, and due to the principle of thermal expansion and cold contraction, the zinc rod 311 is deformed and extends forwards, the distances between the two zinc rods 311 above and below the movable column 308 and the heating plate 302 are different, namely the heating degrees are different, the extending distances of the zinc rods 311 are different, after the temperature difference between the upper part and the lower part inside the sealing frame reaches a certain degree, the zinc rod 311 below the sealing frame extends and is in contact with the starting switch 315, the electric telescopic rod 320 is started, the long rack 319 and the driving gear 318 are meshed with each other, the driving gear 318 and the movable column 308 rotate, the placing frame 321 and the veneer are driven to rotate inside the sealing frame, the placing frame 321 can be rotated in time according to the actual temperature difference inside the sealing frame, the placing frame 321 does not need to be driven to rotate mechanically and frequently, the veneer can be heated sufficiently inside the sealing frame, and the phenomenon that the heating effect of the veneer is reduced due to excessive rotation times is avoided;
a mounting frame 4 is fixedly mounted on one side of the bottom plate 1, a veneer cleaning mechanism 5 is fixedly mounted on the top of the mounting frame 4, the lower driving roller 502 and the upper driving roller 503 convey the veneers forwards in the process of spraying and cleaning the veneers, the function of wiping and cleaning is achieved, and water for cleaning flows into the hollow connecting rod 513 to clean the lower splicing frame body 301 and the upper splicing frame body 307;
the veneer cleaning mechanism 5 comprises a mounting transverse plate 501, a lower driving roller 502, an upper driving roller 503, a limiting plate 504, a waterproof cover 505, a flow distribution box body 506, a water seepage hole 507, a water storage box body 508, a water inlet pipe 509, a water collecting tank 510, an inclined guide plate 511, a sliding block 512, a hollow connecting rod 513, a return spring 514, a cleaning spray head 515, a conveying pipeline 516, a pressure regulating valve 517, a connecting air passage 518, an air pressure tank 519, an electromagnetic valve 520, an air conveying pipe 521, an upper air distribution box 522, an air distribution hole 523, a through pipe 524, a side air distribution box 525, an air exhaust hole 526 and a drain pipe 527;
mounting transverse plates 501 are symmetrically and fixedly mounted at two ends of the top of the mounting frame 4, lower driving rollers 502 are equidistantly and rotatably mounted between the two mounting transverse plates 501, upper driving rollers 503 are equidistantly and rotatably mounted between the other two mounting transverse plates 501, a limit plate 504 is fixedly mounted at the edge part between the lower driving rollers 502 and the upper driving rollers 503, a waterproof cover 505 is fixedly mounted at the middle part of the top end of the mounting transverse plates 501 at the position above the upper driving rollers 503, a flow distribution box body 506 is equidistantly and fixedly mounted at the top end inside the waterproof cover 505, water seepage holes 507 are formed in the bottom of the flow distribution box body 506, a water storage box body 508 is fixedly mounted at the top part of the waterproof cover 505, a water inlet pipe 509 is fixedly connected to the top part of the water storage box body 508, a water collecting tank 510 is fixedly mounted at the bottom end of the mounting transverse plates 501 at the position below the lower driving rollers 502, and inclined guide plates 511 are symmetrically and fixedly mounted at one end, which is close to the bottom plate 1, in the middle part of the mounting frame 4, the inclined guide plate 511 is internally embedded with sliding blocks 512 in a sliding manner, a hollow connecting rod 513 is fixedly connected between the two sliding blocks 512, one end of each sliding block 512 is highly connected with a return spring 514, the top and the bottom of the hollow connecting rod 513 are fixedly provided with cleaning nozzles 515 at equal intervals, one end of the hollow connecting rod 513 is fixedly connected with a conveying pipeline 516 at equal intervals, one end of the conveying pipeline 516 extends into the water collecting tank 510, the lower driving roller 502 is positioned right below the upper driving roller 503, a gap is reserved between the lower driving roller 502 and the upper driving roller 503, cleaning hair pads are adhered on the surfaces of the lower driving roller 502 and the upper driving roller 503, the bottom end of the water storage tank body 508 is connected with the flow dividing tank body 506, the top end of the inside of the hollow connecting rod 513 is fixedly provided with a liquid level sensor, the cleaning nozzles 515 and the liquid level sensor are connected with an external control valve, and the single plate after high-temperature and high-pressure treatment is placed in the gap between the lower driving roller 502 and the upper driving roller 503, the veneer can be conveyed forwards by utilizing the rotation of the lower driving roller 502 and the upper driving roller 503, the composite agent remained on the surface of the veneer can be wiped at the front parts of the lower driving roller 502 and the upper driving roller 503, when the veneer moves to the lower part of the waterproof cover 505, the diversion box body 506 and the water seepage holes 507 spray water on the surface of the veneer, the veneer is cleaned, the water on the surface of the cleaned veneer can be removed at the rear parts of the lower driving roller 502 and the upper driving roller 503, the cleaned veneer is kept dry, the subsequent processing is convenient, the water cannot drip down to cause dirty working environment, the water for cleaning the veneer can drip into the water collecting tank 510 and flow into the hollow connecting rod 513 through the conveying pipeline 516, the water is accumulated in the hollow connecting rod 513, the hollow connecting rod 513 can be pressed downwards by the self gravity of the water, the sliding block 512 and the hollow connecting rod 513 can slide downwards along the inclined guide plate 511, the hollow connecting rod 513 and the cleaning nozzle 515 are moved to the upper side of the lower splicing frame body 301, the interiors of the lower splicing frame body 301 and the upper splicing frame body 307 can be cleaned by using water used after the single plates are cleaned, and traces formed by the compounding agent on the surfaces of the single plates dropping on the lower splicing frame body 301 or evaporating and adhering to the inner wall of the upper splicing frame body 307 when the single plates are heated are removed, so that the lower splicing frame body 301 and the upper splicing frame body 307 are kept clean, the utilization rate of resources is improved, and the whole processing process embodies the energy-saving and environment-friendly concept;
a pressure regulating valve 517 is fixedly installed at one end of the bottom of the lower splicing frame body 301, one end of the pressure regulating valve 517 is fixedly connected with a connecting air passage 518, one end of the connecting air passage 518 is fixedly installed with an air pressure tank 519, one end of the middle part of the air pressure tank 519 is fixedly installed with an electromagnetic valve 520, one end of the electromagnetic valve 520 is fixedly connected with an air pipe 521, an upper air distribution box 522 is fixedly installed at the top of the mounting rack 4, air distribution holes 523 are symmetrically arranged at two ends of the bottom of the upper air distribution box 522, a through pipe 524 is symmetrically and fixedly connected with the bottom end of the upper air distribution box 522, a side air distribution box 525 is fixedly connected with the bottom end of the through pipe 524, exhaust holes 526 are symmetrically arranged at two ends of the middle part of the side air distribution box 525, a drain pipe 527 is fixedly connected with one end of the bottom of the lower splicing frame body 301, one end of the air pipe 521 is connected with the upper air distribution box 522, the air distribution holes 523 and the exhaust holes 526 are symmetrically distributed at two sides of the waterproof cover 505, the air distribution holes 523 are positioned right above the upper driving roller 503, the air vent 526 and the gap between the lower driving roller 502 and the upper driving roller 503 are located on the same horizontal plane, when the veneer is cleaned, the electromagnetic valve 520 is started to convey the air in the air pressure tank 519 to the inside of the upper air distribution box 522 through the air pipe 521, the compressed air flows to the side air distribution box 525 through the through pipe 524, is simultaneously discharged outwards through the air distribution holes 523 and the air vent 526 and is blown to the veneer, impurities and dust on the surface of the uncleaned veneer can be removed when the air is blown to the surface of the veneer, the cleaning efficiency is improved, meanwhile, the lower driving roller 502 and the upper driving roller 503 are also cleaned to a certain extent, the compressed air in the air pressure tank 519 is pumped out from the inside of the sealed frame body and has a certain temperature, the air is blown to the veneer to absorb the complexing agent which is remained on the surface of the veneer again, the secondary treatment effect is achieved, and the compressed air is blown to the surface of the cleaned veneer, the drying effect is achieved, so that its surface remains dry;
the bottom of the mounting frame 4 is fixedly provided with a veneer collecting and arranging mechanism 6, the veneer is kept level by utilizing the forward pushing force of the conveying belt 607 and the separation of the separation plate 616, the extrusion cam 611 intermittently pushes the separation plate 616 upwards, and the level veneer can normally advance forwards;
the veneer collecting and sorting mechanism 6 comprises a fixed seat 601, a buffer spring 602, a buffer block 603, a material receiving sloping plate 604, a support frame 605, a conveying shaft 606, a conveying belt 607, a conveying motor 608, a driving gear 609, a driven gear 610, an extrusion cam 611, a vertical guide plate 612, a lifting block 613, an arc extrusion block 614, a cross bar 615 and a blocking plate 616;
a fixed seat 601 is symmetrically and fixedly installed on the inner side of one end of the middle part of the mounting rack 4, a buffer spring 602 is fixedly installed inside the fixed seat 601, a buffer block 603 is fixedly connected to the top of the buffer spring 602, a material receiving inclined plate 604 is fixedly installed on the top of the buffer block 603, a support frame 605 is fixedly installed on one end of the bottom of the mounting rack 4, a conveying shaft 606 is symmetrically and fixedly installed on the top of the support frame 605, a conveying belt 607 is sleeved on the surface of the conveying shaft 606, the bottom of the buffer block 603 is embedded and slidably installed inside the fixed seat 601, a rubber pad is wrapped and bonded on the surface of the material receiving inclined plate 604, the included angle between the material receiving inclined plate 604 and the horizontal plane is 45 degrees, the bottom of the material receiving inclined plate 604 extends to the position above one end of the conveying belt 607, a conveying motor 608 is fixedly installed at one end of one conveying shaft 606, driving gears 609 are fixedly connected to both ends of the other conveying shaft 606, and driven gears 610 are rotatably installed at the positions of both sides of the support frame 605 on one side of the driving gears 609, an extrusion cam 611 is fixedly connected to one end of the middle of the driven gear 610, a vertical guide plate 612 is fixedly installed at a position, corresponding to the driven gear 610, of the top of the support frame 605, a lifting block 613 is embedded and slidably installed in the middle of the vertical guide plate 612, an arc-shaped extrusion block 614 is fixedly connected to one end of the lifting block 613, a cross rod 615 is fixedly connected between the two lifting blocks 613, a blocking plate 616 is fixedly installed at the bottom end of the cross rod 615, the driving gear 609 and the driven gear 610 are meshed with each other, the gear ratio between the driving gear 609 and the driven gear 610 is 1 to 2, the time required for the driven gear 610 and the extrusion cam 611 to rotate for one circle is twice of that of the driving gear 609, the sufficient blocking time for a single plate is ensured, the single plate is prevented from moving forwards when the single plate is not aligned, the extrusion cam 611 and the arc-shaped, the bottom end of the lifting block 613 is attached to the top end of the vertical guide plate 612, protective pads are fixedly bonded to two side surfaces of the blocking plate 616, a gap is reserved between the bottom end of the blocking plate 616 and the surface of the conveying belt 607, the cleaned veneer falls on the material receiving sloping plate 604, the buffer block 603 and the buffer spring 602 play a role in buffering, the surface of the material receiving sloping plate 604 is wrapped with a rubber pad, corner damage when the veneer falls is effectively avoided, the veneer falls on the conveying belt 607, the blocking plate 616 blocks the veneer, the conveying belt 607 continuously advances forwards, the veneer receives resistance and forward driving force simultaneously, the edge of the veneer can be completely attached to the blocking plate 616, the veneer is ensured to be kept level, the conveying shaft can drive the driving gear 609 to rotate when continuously rotating, the driven gear 610 and the extrusion cam 611 rotate, the arc-shaped extrusion block 614 can be extruded when the extrusion cam 611 rotates to the upper side, and the bottom end of the arc-shaped extrusion block 614 is in a plane state, the extrusion cam 611 contacts with the bottom end of the arc-shaped extrusion block 614 to push the arc-shaped extrusion block 614 upwards, so that the blocking plate 616 no longer blocks the veneer, and the veneer can be conveyed to a preset position along the conveying belt 607 in a flat manner.
The working principle and the using process of the invention are as follows: in the process of using a method for manufacturing plywood, firstly, a veneer soaked with a complexing agent is placed inside a placing frame 321, a top cover 322 is fixed on the top of the placing frame 321 by using bolts, then the placing frame 321 is placed on the top of a lower splicing frame 301, a clamping block 324 is embedded inside a clamping groove 309, a driving motor 304 is started to drive a screw 303 to rotate, so that a movable frame 306 and an upper splicing frame 307 move downwards along the screw 303 and a positioning rod 305, the upper splicing frame 307 covers the top of the lower splicing frame 301, a sealing frame is formed between the upper splicing frame 307 and the lower splicing frame 301, the placing frame 321 and the veneer are wrapped inside the sealing frame, a heating plate 302 heats the sealing frame from the lower part, so that the temperature inside the sealing frame rises to a certain degree, a pressure regulating valve 517 is started at the same time, air inside the sealing frame is pumped into an air pressure tank 519 for compression storage, the pressure intensity in the sealing frame body is improved;
the veneer is subjected to heat preservation and pressure maintaining treatment in the sealing frame body, the diffusion of the soaked compound agent to the inside of the veneer can be promoted, the inside of the sealing frame body is unevenly heated, the two zinc rods 311 positioned above and below the movable column 308 are heated in different degrees, the two zinc rods 311 deform in different degrees, the deformation length of the zinc rod 311 positioned below the movable column 308 is longer, the zinc rod 311 can be contacted with the starting switch 315, the starting switch 315 starts the electric telescopic rod 320, the electric telescopic rod 320 pushes the long rack 319 forwards, so that the driving gear 318 and the movable column 308 rotate, the clamping block 324 is clamped in the clamping groove 309, namely, the placing frame 321 can rotate along with the movable column 308, the placing frame 321 is overturned in the sealing frame body, the top cover 322 faces downwards, the zinc rods 311 can rotate along with the movable column 308, and the longer deformed zinc rod 311 can extrude the upper extrusion column 316 when rotating, the upper extrusion column 316 extrudes the movable plate 312 outwards, the extrusion spring 313 is compressed, the starting switch 315 moves towards one side along with the movable plate 312, after the positions of the two zinc bars 311 are exchanged, the temperature of the environment is different, the zinc bar 311 which is turned to the upper side contracts inwards, the upper extrusion column 316 does not extrude the movable plate 312 any more, the extrusion spring 313 extends, the starting switch 315 is enabled to recover the original position, the zinc bar 311 which is positioned at the lower side extends, after a period of time, the zinc bar 311 is in contact with the starting switch 315, the placing frame 321 is enabled to rotate again, the veneer is enabled to be overturned in the sealed frame body according to the heating condition, and the veneer is enabled to be heated uniformly;
after the single board is processed in the sealing frame, the driving motor 304 drives the screw 303 to rotate, so that the upper splicing frame 307 rises, the placing frame 321 is taken out, the top cover 322 is disassembled, the single board is taken out, the single boards are sequentially placed in a gap between the lower driving roller 502 and the upper driving roller 503, the lower driving roller 502 and the upper driving roller 503 rotate simultaneously, so that the single boards are conveyed forwards, the surfaces of the single boards are pre-cleaned when the lower driving roller 502 and the upper driving roller 503 convey the single boards, the surfaces of the single boards are wiped, when the single boards move to the lower part of the waterproof cover 505, water in the water storage tank 508 is sprayed to the surfaces of the single boards through the diversion box body 506 and the water seepage holes 507, the single boards are cleaned, the water for cleaning falls into the water collection tank 510, the single boards continue to move forwards, the lower driving roller 502 and the upper driving roller 503 which are positioned at the rear half part remove the water remained on the surfaces of, the electromagnetic valve 520 is started, compressed air in the air pressure tank 519 is conveyed to the interior of the upper air distribution box 522, flows to the side air distribution box 525 through the through pipe 524, and is simultaneously blown to the single plates in the middle of the lower driving roller 502 and the upper driving roller 503 through the air distribution holes 523 and the exhaust holes 526, absorption of the complexing agent is promoted again before the single plates are not cleaned by water, impurities and dust remained on the surfaces of the single plates can be blown away, the cleaning effect on the lower driving roller 502 and the upper driving roller 503 is also achieved, and a part of air is blown to the surfaces of the single plates after cleaning is achieved, so that the single plates are dried, and subsequent processing is facilitated;
the water for cleaning the veneers in the water collecting tank 510 is conveyed to the inside of the hollow connecting rod 513 through the conveying pipeline 516, the water in the hollow connecting rod 513 continuously increases, the hollow connecting rod 513 is pressed downwards by the self gravity of the water, the sliding block 512 slides downwards in the inclined guide plate 511 in an inclined manner, the return spring 514 is stretched, the hollow connecting rod 513 and the cleaning spray head 515 move to the top of the lower splicing frame body 301 along with the sliding block 512, the cleaning spray heads 515 arranged at the top and the bottom of the hollow connecting rod 513 are respectively aligned with the inside of the lower splicing frame body 301 and the upper splicing frame body 307, after the water is gathered to a certain degree, the liquid level sensor in the hollow connecting rod 513 transmits a signal to an external controller, the cleaning spray head 515 is started to spray the water in the hollow connecting rod 513 to the inside of the lower splicing frame body 301 and the upper splicing frame body 307, the complexing agent soaked on the surfaces of the veneers drops on the bottom of the lower splicing frame body 301, the heated complexing agent is evaporated and adhered to the inner wall of the upper splicing frame body 307, and the interiors of the lower splicing frame body 301 and the upper splicing frame body 307 are washed by water for cleaning the single plates, so that the utilization rate of resources is improved;
the cleaned veneer moves to the end parts of the lower driving roller 502 and the upper driving roller 503 and falls downwards to the inclined plane of the material receiving inclined plate 604, the veneer falls on the material receiving inclined plate 604 to press the material receiving inclined plate 604 downwards, the buffer spring 602 and the buffer block 603 play a role in buffering, the surface of the material receiving inclined plate 604 is wrapped with rubber pads to ensure that the corners of the veneer are not damaged when the veneer falls, the veneer slides to the surface of the conveyer belt 607 along the inclined plane of the material receiving inclined plate 604, the conveyer motor 608 drives the conveyer shaft 606 and the conveyer belt 607 to rotate, the conveyer belt 607 drives the veneer to move forwards, the barrier plate 616 plays a role in blocking the veneer, so that the veneer does not move forwards, the conveyer belt 607 continuously provides the forward thrust to the veneer, the position of the veneer deviates to ensure that the edge part of the veneer is completely attached to the barrier plate 616, so that the veneer is kept level, and the driving gear 609 can rotate along with the conveyer shaft 606, the driving gear 609 is meshed with the driven gear 610, the driven gear 610 and the extrusion cam 611 rotate along with the driving gear 609, when the extrusion cam 611 rotates to the upper side, the extrusion cam 611 contacts with the arc surface of the side edge of the arc extrusion block 614 to push the arc extrusion block 614 upwards, the cross rod 615 and the blocking plate 616 both move upwards, the top end of the extrusion cam 611 contacts with the plane of the bottom end of the arc extrusion block 614, the blocking plate 616 does not contact with the veneer any more, so that the veneer can move forwards in a flush state, when the veneer passes through the bottom of the blocking plate 616, the extrusion cam 611 continues to rotate and does not contact with the arc extrusion block 614 any more, the cross rod 615 and the blocking plate 616 are influenced by gravity to automatically fall down, the lifting block 613 always vertically moves up and down in the vertical guide plate 612, and the position of the blocking plate 616 is not deviated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The preparation method of the plywood is characterized by comprising the following steps:
s1: placing: fixing the veneer soaked with the complexing agent in the placing frame (321), placing the placing frame (321) filled with the veneer in the middle of the lower splicing frame body (301) positioned at the top of the bottom plate (1), and enabling the upper splicing frame body (307) to move downwards and cover the top of the lower splicing frame body (301) by rotating the screw (303);
s2: and (3) treatment: the heating plate (302) heats the interiors of the lower splicing frame body (301) and the upper splicing frame body (307), and the electromagnetic valve (520) extracts air in the interiors of the lower splicing frame body (301) and the upper splicing frame body (307), so that the single plates placed in the frame (321) are subjected to heat preservation and pressure maintaining treatment;
s3: turning: when temperature difference occurs in the lower splicing frame body (301), the zinc rod (311) is heated and then deforms to contact with the starting switch (315), the electric telescopic rod (320) extends to push the long rack (319) forwards, so that the driving gear (318) and the movable column (308) both rotate, and the placing frame (321) can turn over in the lower splicing frame body (301);
s4: cleaning: after the veneers are arranged in the lower splicing frame body (301) for a period of time, the veneers are taken out and are sequentially placed in a gap between the lower driving roller (502) and the upper driving roller (503), the lower driving roller (502) and the upper driving roller (503) convey the veneers forwards, and water for cleaning is sprayed on the surfaces of the veneers along the water seepage holes (507) for cleaning;
s5: washing: the cleaning water flows to the inside of the hollow connecting rod (513) along the conveying pipeline (516), so that the hollow connecting rod (513) slides obliquely along the inclined guide plate (511) until the hollow connecting rod (513) is positioned at the top of the lower splicing frame body (301), and the cleaning spray head (515) sprays the water to the insides of the lower splicing frame body (301) and the upper splicing frame body (307) for washing;
s6: leveling: the cleaned veneer slides to the conveying belt (607) along the material receiving sloping plate (604), the conveying belt (607) drives the veneer to move forwards, the blocking plate (616) enables the veneer to stay at the top of the conveying belt (607) in a flush manner, and the extrusion cam (611) pushes the arc extrusion block (614) and the blocking plate (616) upwards when rotating, so that the veneer passes through the bottom of the blocking plate (616).
2. The method for preparing a plywood according to claim 1, wherein the two ends of the top of the bottom plate (1) are symmetrically and fixedly provided with the fixed supports (2), the middle part of the top end of the bottom plate (1) is provided with the veneer pretreatment mechanism (3), the lower splicing frame body (301) and the upper splicing frame body (307) are spliced into a sealing frame body, the veneer soaked with the complexing agent is subjected to heat preservation and pressure maintaining treatment, the diffusion of the complexing agent into the veneer is promoted, and the placing frame (321) is indirectly controlled according to the deformation of the zinc rod (311) caused by temperature difference, so that the veneer is heated more uniformly;
a mounting frame (4) is fixedly mounted on one side of the bottom plate (1), a veneer cleaning mechanism (5) is fixedly mounted on the top of the mounting frame (4), the lower driving roller (502) and the upper driving roller (503) convey the veneers forwards in the process of spraying and cleaning the veneers, the veneer cleaning mechanism plays a role in wiping and cleaning, and water for cleaning flows into the hollow connecting rod (513) to clean the lower splicing frame body (301) and the upper splicing frame body (307);
the bottom of the mounting frame (4) is fixedly provided with a veneer collecting and arranging mechanism (6), the veneer is kept flush by utilizing the forward pushing force of the conveying belt (607) and the separation of the separation plate (616), and the extrusion cam (611) intermittently pushes the separation plate (616) upwards, so that the flush veneer can normally advance forwards;
the veneer pretreatment mechanism (3) comprises a lower splicing frame body (301), a heating plate (302), a screw rod (303), a driving motor (304), a positioning rod (305), a movable frame (306), an upper splicing frame body (307), a movable column (308), a clamping groove (309), a fixed frame (310), a zinc rod (311), a movable plate (312), an extrusion spring (313), a lower extrusion column (314), a starting switch (315), an upper extrusion column (316), an arc-shaped groove (317), a driving gear (318), a long rack (319), an electric telescopic rod (320), a placing frame (321), a top cover (322), a side plate (323) and a clamping block (324);
the bottom plate is characterized in that a lower splicing frame body (301) is fixedly arranged in the middle of the top end of the bottom plate (1), a heating plate (302) is installed in the bottom end of the lower splicing frame body (301) in an embedded mode, driving motors (304) are fixedly arranged on the top ends of the two fixing supports (2), screw rods (303) are fixedly arranged on output shafts of the two driving motors (304), positioning rods (305) are fixedly arranged on one sides of the two screw rods (303) at the two ends of the top of the bottom plate (1) respectively, movable frames (306) are movably arranged in the middle of the screw rods (303) and the positioning rods (305), an upper splicing frame body (307) is fixedly arranged between the bottoms of the four movable frames (306), movable columns (308) are symmetrically rotatably arranged at the two ends of the top of the lower splicing frame body (301), and clamping grooves (309) are symmetrically arranged at the top of the movable columns (308), the top and the bottom of one end of the movable column (308) are symmetrically and fixedly provided with a fixed frame (310), and the middle part of the fixed frame (310) is fixedly provided with a zinc rod (311);
the movable column is characterized in that a movable plate (312) is movably sleeved at one end of the movable column (308), an extrusion spring (313) is fixedly connected at one end of the movable plate (312), a lower extrusion column (314) is fixedly installed at the bottom of the movable plate (312), a starting switch (315) is fixedly installed at one end of the lower extrusion column (314), upper extrusion columns (316) are symmetrically and movably installed at two ends of the bottom of the upper splicing frame body (307), arc-shaped grooves (317) are respectively formed in positions, located at one sides of the lower extrusion column (314) and the upper extrusion column (316), of inner walls at two ends of the lower splicing frame body (301) and the upper splicing frame body (307), a driving gear (318) is fixedly connected at one end of the movable column (308), a long rack (319) is movably installed at a position, located below the driving gear (318), and the bottom end of the long rack (319) is fixedly connected with an electric telescopic rod (320), place frame (321) at the middle part of lower splice frame body (301), the top of placing frame (321) has top cap (322) through bolt fixed mounting, the both sides symmetry fixed mounting who places frame (321) has curb plate (323), the one end of curb plate (323) corresponds position department symmetry fixedly connected with fixture block (324) with draw-in groove (309).
3. The method for manufacturing plywood according to claim 2, wherein said movable frame (306) and said screw (303) are connected by screw threads, a semicircular groove is formed in the bottom of said upper splicing frame body (307), the diameter of said semicircular groove is the same as that of said movable column (308), a tooth at the bottom of said driving gear (318) is engaged with said long rack (319), and a gap is left between the edge of said placing frame (321) and the inner wall of said lower splicing frame body (301).
4. A method for manufacturing a plywood according to claim 2, wherein the end of the start switch (315) is flush with the side of the arc-shaped groove (317), the end of the upper extrusion column (316) extends out of the side of the arc-shaped groove (317), two sides of one end of the upper extrusion column (316) are provided with an inclined angle, the end surface of the other end of the upper extrusion column (316) and the side of the movable plate (312) are located on the same horizontal plane, the signal output end of the start switch (315) is connected with the signal input end of the electric telescopic rod (320), the fixture block (324) is embedded into the clamping groove (309), and the height of the fixture block (324) is smaller than the depth of the clamping groove (309).
5. The method for preparing a plywood according to claim 2, wherein the veneer cleaning mechanism (5) comprises a mounting transverse plate (501), a lower driving roller (502), an upper driving roller (503), a limiting plate (504), a waterproof cover (505), a flow distribution box body (506), a water seepage hole (507), a water storage box body (508), a water inlet pipe (509), a water collection tank (510), an inclined guide plate (511), a slide block (512), a hollow connecting rod (513), a return spring (514), a cleaning spray head (515), a conveying pipeline (516), a pressure regulating valve (517), a connecting air passage (518), an air pressure tank (519), an electromagnetic valve (520), an air conveying pipe (521), an upper air distribution box (522), an air distribution hole (523), a through pipe (524), a side air distribution box (525), an air exhaust hole (526) and a drain pipe (527);
the mounting frame is characterized in that mounting transverse plates (501) are symmetrically and fixedly mounted at two ends of the top of the mounting frame (4), a lower driving roller (502) is rotatably mounted between the two mounting transverse plates (501) at equal intervals, an upper driving roller (503) is rotatably mounted between the two mounting transverse plates (501) at equal intervals, a limiting plate (504) is fixedly mounted at the edge between the lower driving roller (502) and the upper driving roller (503), a waterproof cover (505) is fixedly mounted at the middle part of the top end of the mounting transverse plate (501) at the position above the upper driving roller (503), a shunt box body (506) is fixedly mounted at the equal interval of the top end inside the waterproof cover (505), a water seepage hole (507) is formed in the bottom of the shunt box body (506), a water storage box body (508) is fixedly mounted at the top of the waterproof cover (505), and a water inlet pipe (509) is fixedly connected to the top of the water storage box body (508), a water collecting tank (510) is fixedly installed at the bottom end of a mounting transverse plate (501) located at the position below the lower driving roller (502), inclined guide plates (511) are symmetrically and fixedly installed at one end, close to the bottom plate (1), of the middle of the mounting frame (4), slide blocks (512) are embedded into the inclined guide plates (511), a hollow connecting rod (513) is fixedly connected between the two slide blocks (512), a reset spring (514) is highly connected to one end of each slide block (512), cleaning spray heads (515) are fixedly installed at the top and the bottom of each hollow connecting rod (513) at equal intervals, a conveying pipeline (516) is fixedly connected to one end of each hollow connecting rod (513) at equal intervals, and one end of each conveying pipeline (516) extends to the inside of the water collecting tank (510);
one end of the bottom of the lower splicing frame body (301) is fixedly provided with a pressure regulating valve (517), one end of the pressure regulating valve (517) is fixedly connected with a connecting air passage (518), one end of the connecting air passage (518) is fixedly provided with an air pressure tank (519), an electromagnetic valve (520) is fixedly arranged at one end of the middle part of the air pressure tank (519), one end of the electromagnetic valve (520) is fixedly connected with an air conveying pipe (521), an upper air distribution box (522) is fixedly arranged at the top of the mounting rack (4), air distribution holes (523) are symmetrically arranged at two ends of the bottom of the upper air distribution box (522), the bottom end of the upper air distribution box (522) is symmetrically and fixedly connected with a through pipe (524), the bottom end of the through pipe (524) is fixedly connected with a side gas distribution box (525), two ends of the middle part of the side gas distribution box (525) are symmetrically provided with exhaust holes (526), one end fixedly connected with drain pipe (527) of splicing frame body (301) bottom down.
6. A method for preparing a plywood according to claim 5, wherein said lower driving roller (502) is positioned under said upper driving roller (503), a gap is left between said lower driving roller (502) and said upper driving roller (503), cleaning pads are adhered to the surfaces of said lower driving roller (502) and said upper driving roller (503), the bottom end of said water storage tank (508) is connected with said flow-dividing tank (506), a liquid level sensor is fixedly mounted at the top end of the interior of said hollow connecting rod (513), and said cleaning nozzle (515) and said liquid level sensor are connected with an external control valve.
7. The method for preparing a plywood according to claim 5, wherein one end of the gas pipe (521) is connected with an upper gas distribution box (522), the gas distribution holes (523) and the exhaust holes (526) are symmetrically distributed on two sides of the waterproof cover (505), the gas distribution holes (523) are positioned right above the upper driving roller (503), and the exhaust holes (526) and the gaps between the lower driving roller (502) and the upper driving roller (503) are positioned on the same horizontal plane.
8. The method for preparing a plywood according to claim 2, wherein the veneer collecting and arranging mechanism (6) comprises a fixed seat (601), a buffer spring (602), a buffer block (603), a material receiving inclined plate (604), a support frame (605), a conveying shaft (606), a conveying belt (607), a conveying motor (608), a driving gear (609), a driven gear (610), an extrusion cam (611), a vertical guide plate (612), a lifting block (613), an arc extrusion block (614), a cross bar (615) and a blocking plate (616);
the inner side of one end of the middle part of the mounting rack (4) is symmetrically and fixedly provided with a fixed seat (601), the inside of the fixed seat (601) is fixedly provided with a buffer spring (602), the top of the buffer spring (602) is fixedly connected with a buffer block (603), the top of the buffer block (603) is fixedly provided with a material receiving sloping plate (604), one end of the bottom of the mounting rack (4) is fixedly provided with a support frame (605), the top of the support frame (605) is symmetrically and fixedly provided with a conveying shaft (606), the surface of the conveying shaft (606) is sleeved with a conveying belt (607), one end of one conveying shaft (606) is fixedly provided with a conveying motor (608), the other two ends of the conveying shaft (606) are fixedly connected with driving gears (609), and the positions of the two sides of the support frame (605) on one side of the driving gears (, one end fixedly connected with extrusion cam (611) at driven gear (610) middle part, the top of support frame (605) and driven gear (610) correspond position department fixed mounting have vertical deflector (612), the middle part embedding slidable mounting of vertical deflector (612) has elevator block (613), the one end fixedly connected with arc extrusion block (614) of elevator block (613), two fixedly connected with horizontal pole (615) between elevator block (613), the bottom fixed mounting of horizontal pole (615) has baffler (616).
9. The method for preparing a plywood according to claim 8, wherein the bottom of the buffer block (603) is embedded and slidably mounted inside the fixed seat (601), the surface of the material receiving sloping plate (604) is wrapped and bonded with a rubber pad, the included angle between the material receiving sloping plate (604) and the horizontal plane is 45 degrees, and the bottom of the material receiving sloping plate (604) extends to a position above one end of the conveying belt (607).
10. A method for manufacturing a plywood according to claim 8, wherein said driving gear (609) and said driven gear (610) are engaged with each other, the gear ratio between said driving gear (609) and said driven gear (610) is 1 to 2, said pressing cam (611) and said arc pressing block (614) are located on the same vertical plane, a placing block is provided at the bottom end of said vertical guide plate (612), the bottom end of said lifting block (613) is attached to the top end of said vertical guide plate (612), protective pads are fixed to both side surfaces of said blocking plate (616), and a gap is left between the bottom end of said blocking plate (616) and the surface of said conveyor belt (607).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194895A (en) * | 2022-07-22 | 2022-10-18 | 柳州市嘉德木业有限公司 | Production and processing technology of plywood based on waterproof and flame-retardant performance |
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| CN111251387A (en) * | 2020-03-19 | 2020-06-09 | 黄祥梅 | Veneer arrangement and manufacturing equipment by means of fiber direction |
| CN111571737A (en) * | 2020-06-22 | 2020-08-25 | 吴思 | Veneer finishing process for plywood manufacturing |
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| JPH04240384A (en) * | 1991-01-18 | 1992-08-27 | Production Machinery Corp | Plywood drying machine |
| CN203712807U (en) * | 2014-03-03 | 2014-07-16 | 浙江农林大学 | Unstressed flattening device for cylindrical bamboos with bamboo outer skin and bamboo inner skin |
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| CN115194895B (en) * | 2022-07-22 | 2023-03-03 | 柳州市嘉德木业有限公司 | Production and processing technology of plywood based on waterproof and flame-retardant performance |
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| CN113263573B (en) | 2022-04-12 |
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