CN114434585B - Production process and processing equipment of bamboo shaving board with high static bending strength - Google Patents

Production process and processing equipment of bamboo shaving board with high static bending strength Download PDF

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Publication number
CN114434585B
CN114434585B CN202210118493.3A CN202210118493A CN114434585B CN 114434585 B CN114434585 B CN 114434585B CN 202210118493 A CN202210118493 A CN 202210118493A CN 114434585 B CN114434585 B CN 114434585B
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face
bamboo
guide
fixed
supporting
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CN114434585A (en
Inventor
叶世俊
林志伟
吴林生
段珍光
陈贵荣
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Furen Group Forest Industry Co ltd
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Furen Group Forest Industry Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/10—Moulding of mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00—Mechanical working of cane or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/005—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/007—Combined with manufacturing a workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

The invention relates to the technical field of bamboo shaving board production, in particular to a production process and processing equipment of a bamboo shaving board with high static bending strength, which comprises the following process steps: the raw material of the moso bamboo is sliced by a chipping machine and then is transported to a swing sieve; then enters a transition bin through a conveyer and an iron remover; then the bamboo chips are transferred to a flaker from the transition bin; after being dried, the wood shavings are dedusted and then are screened by a three-layer wood shavings sieve; crushing the screened oversize material to be used as a surface layer material, gluing a large sheet material to be used as a core layer material, and gluing a fine material to be used as a surface layer material; the surface layer is laid on the surface of the core layer to form a plate blank, the laid plate blank enters a prepress for prepressing forming, and then is subjected to hot pressing and shaping by a high-temperature hot press; the equipment comprises a connecting clamping plate, a first swinging screen, a chipping device, a supporting guide pillar, a second swinging screen, a conveying sliding plate and a transmission device. The invention adopts bamboo material to replace the related wood board, thus effectively saving wood resources; the static bending strength and the internal bonding strength of the shaving board are also greatly improved.

Description

Production process and processing equipment of bamboo shaving board with high static bending strength
Technical Field
The invention relates to the technical field of bamboo shaving board production, in particular to a production process and processing equipment of a bamboo shaving board with high static bending strength.
Background
The bamboo shaving board is one of shaving board varieties, and the board is made of moso bamboo as a raw material by imitating the technological process of the wood shaving board, can be made into an oriented structure and also adopts a random structure.
According to the Chinese patent No. CN201810575162.6, the invention discloses a production process of a high-strength bamboo shaving board, which comprises the following steps: A. crushing the bamboo material to obtain a bamboo raw material; B. soaking bamboo raw material in water at 60-70 deg.C for 12 hr to obtain product A; C. putting the product A into an oven for drying to obtain a product B; D. putting the product B into a stirrer for stirring, and applying the adhesive in a spraying manner to obtain a product C; the adopted adhesive is urea-formaldehyde adhesive, and the dosage of the adhesive is 125-135kg/m; E. paving the product C into an assembly plate blank by a paving machine to obtain a product D; the total plate blank comprises 3 layers of sub-plate blanks which are arranged up and down, and non-woven fabrics are arranged between the adjacent sub-plate blanks; F. carrying out hot press molding on the product D to obtain a product E; G. and cooling the product E to obtain a finished product. The invention has the characteristic of improving the strength.
According to the Chinese patent number CN201810265957.7, the invention relates to a production process of a waterproof bamboo shaving board, which comprises the following steps: the method comprises the following steps of (1) taking bamboo wood as a raw material, and sequentially crushing the bamboo wood by a crusher and screening the bamboo wood by a screening machine to obtain bamboo wood shavings; placing the bamboo wood shavings in an oven for drying, and adjusting the water content of the bamboo wood shavings to 2-5%; uniformly mixing the dried bamboo wood shavings with paraffin powder according to a weight ratio of 1.02; gluing the mixed raw material of the bamboo wood shavings, wherein the adopted adhesive is urea-formaldehyde glue to obtain a bamboo wood shavings blank; pre-pressing the bamboo wood shaving blank into a plate blank by a spreading machine; putting the pre-pressed plate blank into a hot press for hot pressing, wherein the pre-pressing is divided into a preheating stage, a compression stage and a heat preservation and pressure maintaining stage before and after the hot pressing; and cooling after the heat preservation and pressure maintaining stage is finished, and performing edge cutting and sanding treatment after cooling to obtain the waterproof bamboo shaving board.
However, the existing bamboo shaving board production and processing equipment has the defects of poor uniformity and poor efficiency of chipping raw materials such as branches and twigs, and meanwhile, when the chipped wood chips are screened, the uniformity of screening the wood chips and the efficiency of guiding the screened finished wood chips are poor, so that the subsequent processing efficiency of the bamboo shaving board is reduced, and therefore the bamboo shaving board production process and processing equipment with high static bending strength are needed to solve the problems.
Disclosure of Invention
The invention aims to provide a production process and processing equipment of a bamboo shaving board with high static bending strength, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the production process of the bamboo shaving board with high static bending strength comprises the following steps:
s1, chipping a moso bamboo raw material by a chipping machine, and conveying the moso bamboo raw material to a swing screen;
s2, the qualified bamboo chips screened by the swing screen enter a transition bin through a conveyer and an iron remover;
s3, the bamboo chips are transferred to a flaker from the transition bin to be flaked, and the flaked wood enters a wet flaked wood bin through a conveyer;
s4, drying the wet wood shavings, then removing dust through a cyclone dust collector, and screening the dried wet wood shavings through a three-layer wood shavings sieve after dust removal;
s5, dividing the wood shavings into an ultra-large material, a large sheet material, a fine material and dust by the three-layer wood shavings sieve, wherein the length of the ultra-large material is more than 100mm, the width of the ultra-large material is more than 50mm, and the bulk density of the large sheet material is 60-90kg/m 3 The fine material has a bulk density of 130-180kg/m 3 The particle size of the dust is less than or equal to 0.1mm, the oversized material is broken into a surface layer material, the large sheet material is used as a core layer material after being glued, and the fine material is used as a surface layer material after being glued;
s6, conveying the surface layer material to a surface layer paving bin, and paving the surface layer material into a surface layer through a surface layer paving head; conveying the core layer material to a core layer paving bin, and paving the core layer material into a core layer through a core layer paving head;
s7, paving the surface layer on the surface of the core layer to form a plate blank, pre-pressing and molding the paved plate blank in a pre-press, and then carrying out hot-pressing and shaping by a high-temperature hot press to finally obtain the bamboo shaving board with high static bending strength.
The processing equipment of the bamboo shaving board with high static bending strength is a device of the steps S1 and S2 and comprises a connecting clamping plate, a first swing screen, a chipping device, a supporting guide column, a second swing screen, a conveying sliding plate and a transmission device;
the upper end surface of the transmission device is uniformly and equidistantly fixedly connected with two groups of supporting guide pillars for supporting, the center of the upper end surface of each supporting guide pillar is fixedly connected with a chipping device, and the middle part of the inner end surface of the transmission device is fixedly connected with a conveying sliding material plate for guiding materials;
the inner end face of the transmission device is fixedly connected with a first swinging screen and a second swinging screen from top to bottom in sequence through a connecting clamping plate, and the first swinging screen and the second swinging screen are mutually attached and slide;
the chipping device comprises a guide feeding barrel, a servo motor, a connecting gear, a supporting clamping shaft, a cutting blade, a fixed gear disc and a supporting clamping seat;
a guide blanking barrel for blanking is fixedly arranged at the center of the upper end face of the support clamping seat, and a fixed gear disc is rotationally clamped at the position, opposite to the guide blanking barrel, of the inner end face of the support clamping seat;
three groups of cutting blades for cutting are uniformly and fixedly arranged on the inner end surface of the fixed gear disc at equal intervals through a support clamping shaft, a servo motor is fixedly connected to the position, close to the guide lower charging barrel, of the upper end surface of the support clamping seat, and a connecting gear is fixedly connected to the center of the lower end surface of the servo motor;
the transmission device comprises a connecting support plate, an installation clamping frame, a supporting device, a guide chute, a connecting device, a fixed guide groove, a connecting motor and a connecting shell;
a connecting motor is fixedly installed on the end face of the side of the connecting shell close to the opening, two groups of guide sliding grooves are symmetrically formed in the inner end face of the connecting shell, two groups of supporting devices are rotatably clamped on the outer end face of the connecting motor, and an installation clamping frame is fixedly installed on the upper end face of each supporting device;
the inner end face of the connecting shell is provided with a fixed guide groove for guiding, and the rear end face of the connecting shell is symmetrically and fixedly provided with connecting support plates for limiting;
the supporting device comprises a guide slide rail, a fixed chute, a spring guide shaft, an installation clamping plate, a positioning clamping seat and a connecting slide block;
the inner end face of the guide slide rail is provided with a fixed chute for limiting, the outer end face of the guide slide rail is symmetrically and fixedly connected with connecting slide blocks, and the bottom end face of the guide slide rail is symmetrically and fixedly connected with a spring guide shaft;
the bottom end face of the spring guide shaft is fixedly connected with a positioning clamping seat, and the spring guide shaft is fixedly provided with an installation clamping plate through the positioning clamping seat.
Preferably, connecting device is including connecting the knee lever, fixed slider, supporting pivot and joint axle, the outer terminal surface fixed mounting who supports the pivot has two sets of opposite connection knee levers of orientation, the outer terminal surface fixed mounting who connects the knee lever has the joint axle that is used for connecting, the outer terminal surface middle part department of connecting the knee lever rotates the joint and has fixed slider.
Preferably, the connecting sliding block is matched with the guide sliding groove, and the supporting device is matched with the guide sliding groove through the connecting sliding block so as to be clamped on the inner end face of the connecting shell in a sliding manner.
Preferably, the fixed sliding groove is matched with the fixed sliding block, and the connecting device is matched with the fixed sliding block through the fixed sliding groove and then is in sliding clamping connection with the supporting device.
Preferably, the connecting device is fixedly connected with the connecting motor through a clamping shaft.
Preferably, the inner end surface of the supporting clamping seat is provided with a rotating groove, and the upper end surface of the supporting clamping seat is provided with a clamping groove communicated with the rotating groove.
Preferably, the rotating groove and the fixed gear disc are in rotating clamping connection, and the connecting gear is in meshing connection with the fixed gear disc through the clamping groove.
Preferably, the first swing screen comprises a screening box body, a magnetic inclined plate and a filtering screen, the filtering screen is fixedly installed at the center of the inner end face of the screening box body, and the magnetic inclined plate is symmetrically and fixedly connected to the inner end face of the screening box body.
Preferably, the glue added in the gluing process in the step S5 is based on the mass of each layer of raw material: surface layer material: 4.8-5.6wt% of MDI glue and 1.5-2.2wt% of molten paraffin; core layer material: 3.1 to 3.7 weight percent of MDI glue and 1.6 to 2.5 weight percent of emulsified paraffin
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through arranging the first swing screen, the second swing screen, the conveying sliding plate and the transmission device, the two groups of supporting devices can be driven by the connecting device to perform rapid front-back circulating displacement, so that the upper and lower groups of first swing screens and second swing screens can perform alternative elastic screening on the raw materials, thereby effectively improving the automation and efficiency of screening the raw materials and facilitating the rapid collection of the raw materials in the follow-up process.
2. According to the invention, by arranging the chipping device, when raw materials are chipped, the horn-shaped arrangement of the guide lower charging barrel can fully accommodate a large number of branches and twigs, and meanwhile, the connecting gear and the fixed gear disc can be meshed and rotated at high speed and high speed, so that the fixed gear disc can drive the internal multiple groups of cutting blades to fully chipp the raw materials such as the branches and the twigs which are pressed downwards, and the efficiency of processing the raw materials is improved.
3. According to the invention, by arranging the supporting device, when the raw material is screened, the two groups of spring guide shafts can elastically rebound when the supporting device is displaced to the limit, so that the raw material can be screened for the second time, and the efficiency of processing the raw material is improved to the greatest extent.
4. The bamboo board is adopted to replace the related wood board, can be widely used as structural materials for buildings, packages, vehicles, ships, decorations and the like, has low use cost, effectively saves wood resources, and has remarkable social, economic and ecological benefits; the static bending strength and the internal bonding strength of the shaving board are also greatly improved, and the mechanized, continuous, automatic, large-scale and high-efficiency industrial production is also realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of the production process of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a side view of the body of the present invention;
FIG. 4 is a schematic view of the construction of the chipping device of the present invention;
fig. 5 is a front view of the chipping device of the present invention;
fig. 6 is a cross-sectional view of the present invention taken along the front view C-C of the chipping device;
FIG. 7 is a schematic structural view of the transmission of the present invention;
FIG. 8 is a side view of the transmission of the present invention;
FIG. 9 is a schematic structural view of the supporting device of the present invention;
FIG. 10 is a side view of the support device of the present invention;
FIG. 11 is a schematic view of the structure of the connecting device of the present invention;
fig. 12 is a schematic structural view of a second embodiment of the first oscillating screen of the present invention.
In the figure: 1-connecting clamping plate, 2-first swinging screen, 3-chipping device, 4-supporting guide column, 5-second swinging screen, 6-conveying sliding material plate, 7-transmission device, 21-screening box body, 22-magnetic inclined plate, 23-filtering screen, 31-guiding lower material barrel, 32-servo motor, 33-connecting gear, 34-supporting clamping shaft, 35-cutting blade, 36-fixed gear disk, 37-supporting clamping seat, 71-connecting support plate, 72-mounting clamping frame, 73-supporting device, 74-guiding sliding groove, 75-connecting device, 76-fixing guide groove, 77-connecting motor, 78-connecting shell, 731-guiding sliding rail, 732-fixing sliding groove, 733-spring guide shaft, 734-mounting clamping plate, 735-positioning clamping seat, 736-connecting sliding block, 751-connecting curved bar, 752-fixing sliding block, 753-supporting rotating shaft and 754-clamping shaft.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in figure 1, the production process of the bamboo shaving board with high static bending strength comprises the following steps:
s1, chipping a moso bamboo raw material by a chipping machine, and conveying the moso bamboo raw material to a swing screen;
s2, the qualified bamboo chips screened by the swing screen enter a transition bin through a conveyer and an iron remover;
s3, the bamboo chips are transferred to a flaker from the transition bin to be flaked, and the flaked wood enters a wet flaked wood bin through a conveyer;
s4, drying the wet wood shavings, then removing dust through a cyclone dust collector, and screening the wet wood shavings after dust removal through a three-layer wood shavings sieve;
s5, dividing the wood shavings into an ultra-large material, a large sheet material, a fine material and dust by the three-layer wood shavings sieve, wherein the length of the ultra-large material is more than 100mm, the width of the ultra-large material is more than 50mm, and the bulk density of the large sheet material is 60-90kg/m 3 The fine material has a bulk density of 130-180kg/m 3 The particle size of the dust is less than or equal to 0.1mm, the oversized material is broken into a surface layer material, the large sheet material is used as a core layer material after being glued, and the fine material is used as a surface layer material after being glued;
s6, conveying the surface layer material to a surface layer paving bin, and paving the surface layer material into a surface layer through a surface layer paving head; conveying the core layer material to a core layer paving bin, and paving the core layer material into a core layer through a core layer paving head;
and S7, paving the surface layer on the surface of the core layer to form a plate blank, putting the paved plate blank into a pre-pressing machine for pre-pressing and molding, and then carrying out hot-pressing and shaping by a high-temperature hot press to finally obtain the bamboo shaving board with high static bending strength.
The glue added in the gluing process in the step S5 takes the mass of each layer of raw materials as a reference: surface layer material: 5.6wt% of MDI glue and 2.2wt% of molten paraffin; core layer material: 3.4wt% of MDI glue and 2.5wt% of emulsified paraffin
Example 2
The production process of the bamboo shaving board with high static bending strength, as shown in figure 1, comprises the following steps:
s1, chipping a moso bamboo raw material through a chipping machine, and conveying the moso bamboo raw material to a swing sieve;
s2, the qualified bamboo chips screened by the swing screen enter a transition bin through a conveyer and an iron remover;
s3, the bamboo chips are transferred to a flaker from the transition bin for flaking, and the shavings enter a wet shavings bin through a conveyor;
s4, drying the wet wood shavings, then removing dust through a cyclone dust collector, and screening the wet wood shavings after dust removal through a three-layer wood shavings sieve;
s5, dividing the wood shavings into an ultra-large material, a large sheet material, a fine material and dust by the three-layer wood shavings sieve, wherein the length of the ultra-large material is more than 100mm, the width of the ultra-large material is more than 50mm, and the bulk density of the large sheet material is 60-90kg/m 3 The fine material has a bulk density of 130-180kg/m 3 The particle size of the dust is less than or equal to 0.1mm, the oversized material is broken into a surface layer material, and the oversized material is glued into a large piece materialThe core layer material is used as a surface layer material after the fine material is applied with glue;
s6, conveying the surface layer material to a surface layer paving bin, and paving the surface layer material into a surface layer through a surface layer paving head; conveying the core layer material to a core layer paving bin, and paving the core layer material into a core layer through a core layer paving head;
s7, paving the surface layer on the surface of the core layer to form a plate blank, pre-pressing and molding the paved plate blank in a pre-press, and then carrying out hot-pressing and shaping by a high-temperature hot press to finally obtain the bamboo shaving board with high static bending strength.
The glue added in the gluing process in the step S5 takes the mass of each layer of raw materials as a reference: surface layer material: 5.2wt% of MDI glue and 1.8wt% of molten paraffin; core layer material: 3.5wt% of MDI glue and 1.8wt% of emulsified paraffin
Example 3
As shown in figure 1, the production process of the bamboo shaving board with high static bending strength comprises the following steps:
s1, chipping a moso bamboo raw material by a chipping machine, and conveying the moso bamboo raw material to a swing screen;
s2, the qualified bamboo chips screened by the swing screen enter a transition bin through a conveyer and an iron remover;
s3, the bamboo chips are transferred to a flaker from the transition bin for flaking, and the shavings enter a wet shavings bin through a conveyor;
s4, drying the wet wood shavings, then removing dust through a cyclone dust collector, and screening the wet wood shavings after dust removal through a three-layer wood shavings sieve;
s5, dividing the wood shavings into an oversize material, a large sheet material, a fine material and dust by the three-layer wood shavings sieve, wherein the oversize material is larger than 100mm in length and larger than 50mm in width, and the large sheet material is 60-90kg/m in bulk density 3 The fine material has a bulk density of 130-180kg/m 3 The particle size of the dust is less than or equal to 0.1mm, the oversized material is broken into a surface layer material, the large sheet material is used as a core layer material after being glued, and the fine material is used as a surface layer material after being glued;
s6, conveying the surface layer material to a surface layer paving bin, and paving the surface layer material into a surface layer through a surface layer paving head; conveying the core layer material to a core layer paving bin, and paving the core layer material into a core layer through a core layer paving head;
and S7, paving the surface layer on the surface of the core layer to form a plate blank, putting the paved plate blank into a pre-pressing machine for pre-pressing and molding, and then carrying out hot-pressing and shaping by a high-temperature hot press to finally obtain the bamboo shaving board with high static bending strength.
The glue added in the gluing process in the step S5 takes the mass of each layer of raw materials as a reference: surface layer material: 4.8wt% of MDI glue and 1.5wt% of molten paraffin; core layer material: 3.1wt% of MDI glue and 1.6wt% of emulsified paraffin
By integrating the embodiments 1-3, the bamboo board can be used for replacing related wood boards, can be widely used as structural materials for buildings, packages, vehicles, ships, decorations and the like, has low use cost, effectively saves wood resources, and has remarkable social, economic and ecological benefits; the static bending strength and the internal bonding strength of the shaving board are greatly improved, and the mechanized, continuous, automatic, large-scale and high-efficiency industrial production is realized.
Example 4
Referring to fig. 2, fig. 3, fig. 5, fig. 8 and fig. 10, an embodiment of the present invention: the production and processing equipment for the bamboo shaving board with high static bending strength comprises a connecting clamping plate 1, a first swinging screen 2, a chipping device 3, a supporting guide pillar 4, a second swinging screen 5, a conveying sliding material plate 6 and a transmission device 7;
two groups of supporting guide pillars 4 for supporting are fixedly connected to the upper end face of the transmission device 7 uniformly and equidistantly, a chipping device 3 is fixedly connected to the center of the upper end face of each supporting guide pillar 4, and a conveying material sliding plate 6 for guiding materials is fixedly connected to the middle of the inner end face of the transmission device 7;
the inner end face of the transmission device 7 is fixedly connected with a first swing screen 2 and a second swing screen 5 from top to bottom in sequence through a connecting clamping plate 1, and the first swing screen 2 and the second swing screen 5 are mutually attached and slide;
referring to fig. 4, 5 and 6, the chipping device 3 includes a guiding lower barrel 31, a servo motor 32, a connecting gear 33, a supporting clamping shaft 34, a cutting blade 35, a fixed gear disc 36 and a supporting clamping seat 37;
a guiding blanking barrel 31 for blanking is fixedly arranged at the center of the upper end face of the supporting clamping seat 37, and a fixed gear disc 36 is rotationally clamped at the position, opposite to the guiding blanking barrel 31, of the inner end face of the supporting clamping seat 37;
three groups of cutting blades 35 for cutting are uniformly and fixedly arranged on the inner end surface of the fixed gear disc 36 at equal intervals through a support clamping shaft 34, a servo motor 32 is fixedly connected to the position, close to the guide lower charging barrel 31, of the upper end surface of the support clamping seat 37, and a connecting gear 33 is fixedly connected to the position, located in the center of the lower end surface of the servo motor 32;
referring to fig. 7 and 8, the transmission device 7 includes a connecting support plate 71, a mounting bracket 72, a supporting device 73, a guiding chute 74, a connecting device 75, a fixing guide slot 76, a connecting motor 77 and a connecting housing 78;
a connecting motor 77 is fixedly installed on the end face of the side of the connecting shell 78 close to the opening, two groups of guide sliding grooves 74 are symmetrically formed in the inner end face of the connecting shell 78, two groups of supporting devices 73 are rotatably clamped on the outer end face of the connecting motor 77, and installation clamping frames 72 are fixedly installed on the upper end face of each supporting device 73;
the inner end surface of the connecting shell 78 is provided with a fixed guide groove 76 for guiding, and the rear end surface of the connecting shell 78 is symmetrically and fixedly provided with connecting support plates 71 for limiting;
referring to fig. 9 and 10, the supporting device 73 includes a guiding rail 731, a fixed sliding groove 732, a spring guiding shaft 733, a mounting plate 734, a positioning plate holder 735, and a connecting slide 736; a fixed sliding chute 732 for limiting is formed in the inner end face of the guide sliding rail 731, the outer end face of the guide sliding rail 731 is symmetrically and fixedly connected with a connecting sliding block 736, and the bottom end face of the guide sliding rail 731 is symmetrically and fixedly connected with a spring guide shaft 733;
the bottom end surface of the spring guiding axle 733 is fixedly connected with a positioning clamping seat 735, and the spring guiding axle 733 is fixedly mounted with a mounting clamping plate 734 through the positioning clamping seat 735.
Referring to fig. 11, the connecting device 75 includes connecting curved bars 751, fixed sliders 752, a supporting rotating shaft 753 and a clamping shaft 754, two sets of connecting curved bars 751 facing opposite directions are fixedly mounted on the outer end face of the supporting rotating shaft 753, the clamping shaft 754 for connection is fixedly mounted on the outer end face of the connecting curved bars 751, and the fixed sliders 752 are rotatably clamped in the middle of the outer end face of the connecting curved bars 751.
Connecting slide block 736 and direction spout 74 looks adaptation, and strutting arrangement 73 passes through connecting slide block 736 and direction spout 74 looks adaptation and then the slip joint at the interior terminal surface of connecting casing 78, and connecting slide block 736 and the spacing relation of direction spout 74 can effectively improve strutting arrangement 73 and connect the stability of the inside displacement of casing 78 to improve the follow-up stability of sieving the raw materials.
The fixed chute 732 is matched with the fixed slide block 752, and the connecting device 75 is matched with the fixed slide block 752 through the fixed chute 732 and further clamped with the supporting device 73 in a sliding manner, so that the supporting device 73 can be driven to perform front-back circulating displacement inside the connecting shell 78 when the subsequent fixed slide block 752 performs circulating circular motion, and the screening efficiency is improved.
The connecting device 75 is fixedly connected with the connecting motor 77 through the clamping shaft 754, so that the connecting device 75 can be conveniently and quickly and stably installed and limited.
Referring to fig. 4 and 6, a rotation groove is formed on an inner end surface of the supporting clamping seat 37, and a clamping groove communicated with the rotation groove is formed on an upper end surface of the supporting clamping seat 37, so that the connection gear 33 and the fixed gear disc 36 can be conveniently and rapidly and stably mounted in the following process.
The rotation groove and the fixed gear disc 36 are connected in a rotating mode, the connecting gear 33 is meshed with the fixed gear disc 36 through the clamping groove, the rotation groove can provide enough limiting space for the fixed gear disc 36, and meanwhile the clamping groove can facilitate stable meshing of the subsequent fixed gear disc 36 and the connecting gear 33.
In this embodiment, a user can start the servo motor 32 and the connecting motor 77 through an external control device, when slicing the raw materials, the user can introduce the raw materials such as branches and twigs into the guiding blanking barrel 31 through an external machine, at this time, the servo motor 32 can drive the connecting gear 33 at the bottom to rotate, meanwhile, when the connecting gear 33 rotates, the connecting gear 33 can drive the fixed toothed disc 36 engaged with the connecting gear to rotate at a high speed, and when the fixed toothed disc 36 rotates, the fixed toothed disc 36 can drive the internal sets of cutting blades 35 to rotate, so as to fully slice the raw materials such as the branches and twigs which are pressed down, meanwhile, the sliced raw materials can directly fall into the first swing screen 2, when sieving and deironing the raw materials, the connecting motor 77 can drive the front connecting device 75 to rotate, when the connecting device 75 is in operation, the two sets of fixed sliders 752 inside the connecting device can be synchronously driven to perform circular rotation, and meanwhile, the fixed sliders 752 are slidably clamped inside the fixed chutes 732, so that when the two sets of fixed sliders 752 arranged oppositely perform circular rotation, the two sets of guide rails 731 can be driven by the fixed chutes 732 to perform circular back-and-forth displacement inside the connecting housing 78, and when one set of guide rails 731 performs circular displacement, the guide rails 731 can drive the mounting clamping plate 734 to perform displacement through the two sets of spring guide shafts 733, so that the mounting clamping plate 734 can drive the first swinging screen 2 to perform circular back-and-forth displacement through the upper connecting clamping plate 1, and meanwhile, due to the elasticity of the spring guide shafts 733, when the guide rails 731 displace to the limit, the first swinging screen 2 and the second swinging screen 5 can still swing back-and forth alternately, effectively improve the screening efficiency to the raw materials, the raw materials after the screening can be carried to outside conveyer through carrying smooth flitch 6, and then secondary operation.
Example 5
On the basis of embodiment 4, as shown in fig. 12, the first oscillating screen 2 includes a screening box 21, a magnetic inclined plate 22 and a filtering screen 23, the filtering screen 23 is fixedly installed at the center of the inner end surface of the screening box 21, and the magnetic inclined plate 22 is symmetrically and fixedly connected to the inner end surface of the screening box 21.
This embodiment is when implementing, and two sets of magnetism swash plate 22 that are the slope setting can lead the raw materials, can be again when leading the raw materials, carry out quick the getting rid of to iron wherein, and then improve the efficiency of carrying out production to the raw materials.
The working principle is as follows: the user can start the servo motor 32 and the connecting motor 77 through an external control device, when the raw materials are sliced, the user can guide the raw materials such as branches and twigs into the guiding blanking barrel 31 through an external machine, at the moment, the servo motor 32 can drive the connecting gear 33 at the bottom to rotate, meanwhile, when the connecting gear 33 rotates, the connecting gear 33 can drive the fixed gear disc 36 meshed with the connecting gear to rotate at a high speed, simultaneously, when the fixed gear disc 36 rotates, the fixed gear disc 36 can drive the plurality of groups of cutting blades 35 inside to rotate, further, the raw materials such as the branches and the twigs which are pressed downwards are fully sliced, meanwhile, the raw materials which are sliced can directly fall into the first swinging screen 2, when the raw materials are screened and deironing operation is carried out, the connecting device 75 which is connected with the motor 77 and can drive the front part to rotate, when the connecting device 75 is in operation, the two sets of fixed sliders 752 inside the connecting device can be synchronously driven to perform circular rotation, and meanwhile, the fixed sliders 752 are slidably clamped inside the fixed chutes 732, so that when the two sets of fixed sliders 752 which are oppositely arranged perform circular rotation, the two sets of guide rails 731 can be driven by the fixed chutes 732 to perform circular back-and-forth displacement inside the connecting housing 78, when one set of guide rails 731 performs circular displacement, the guide rails 731 can drive the mounting clamp plate 734 to perform displacement by the two sets of spring guide shafts 733, so that the mounting clamp plate 734 can drive the first swinging screen 2 to perform circular back-and-forth displacement by the upper connecting clamp plate 1, and at the same time, because the spring guide shafts 733 have elasticity, when the guide rails 731 are displaced to the limit, the front-and-back swinging can still be performed, and the front-and-back of the first swinging screen 2 and the second swinging screen 5 alternately and cyclically swing back-and forth, effectively improve the screening efficiency to the raw materials, the raw materials after the screening can be carried to outside conveyer through carrying smooth flitch 6, and then secondary operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The bamboo shaving board with high static bending strength is characterized in that the production process comprises the following steps:
s1, chipping a moso bamboo raw material through a chipping machine, and conveying the moso bamboo raw material to a swing sieve;
s2, the qualified bamboo chips screened by the swing screen enter a transition bin through a conveyer and an iron remover;
s3, the bamboo chips are transferred to a flaker from the transition bin for flaking, and the shavings enter a wet shavings bin through a conveyor;
s4, drying the wet wood shavings, then removing dust through a cyclone dust collector, and screening the wet wood shavings after dust removal through a three-layer wood shavings sieve;
s5, dividing the wood shavings into an oversize material, a large sheet material, a fine material and dust by the three-layer wood shavings sieve, wherein the oversize material is larger than 100mm in length and larger than 50mm in width, and the large sheet material is 60-90kg/m in bulk density 3 The fine material has a bulk density of 130-180kg/m 3 The particle size of the dust is less than or equal to 0.1mm, the oversized material is broken into a surface layer material, the large sheet material is used as a core layer material after being glued, and the fine material is used as a surface layer material after being glued;
s6, conveying the surface layer material to a surface layer paving bin, and paving the surface layer material into a surface layer through a surface layer paving head; conveying the core layer material to a core layer paving bin, and paving the core layer material into a core layer through a core layer paving head;
s7, laying the surface layer on the surface of the core layer to form a plate blank, pre-pressing and molding the laid plate blank in a pre-press, and then carrying out hot-pressing and shaping by a high-temperature hot press to finally obtain the bamboo shaving board with high static bending strength;
the processing equipment of the steps S1 and S2 comprises a connecting clamping plate (1), a first swinging screen (2), a chipping device (3), a supporting guide post (4), a second swinging screen (5), a conveying sliding material plate (6) and a transmission device (7);
two groups of supporting guide pillars (4) for supporting are fixedly connected to the upper end face of the transmission device (7) uniformly at equal intervals, a chipping device (3) is fixedly connected to the center of the upper end face of each supporting guide pillar (4), and a conveying sliding material plate (6) for guiding materials is fixedly connected to the middle of the inner end face of the transmission device (7);
the inner end face of the transmission device (7) is fixedly connected with a first swing screen (2) and a second swing screen (5) from top to bottom in sequence through a connecting clamping plate (1), and the first swing screen (2) and the second swing screen (5) are mutually attached and slide;
the chipping device (3) comprises a guide feeding barrel (31), a servo motor (32), a connecting gear (33), a support clamping shaft (34), a cutting blade (35), a fixed gear disc (36) and a support clamping seat (37);
a guide blanking barrel (31) for blanking is fixedly arranged at the center of the upper end face of the support clamping seat (37), and a fixed gear disc (36) is rotationally clamped at the position, right opposite to the guide blanking barrel (31), of the inner end face of the support clamping seat (37);
three groups of cutting blades (35) for cutting are uniformly and fixedly arranged on the inner end surface of the fixed gear disc (36) at equal intervals through a supporting clamping shaft (34), a servo motor (32) is fixedly connected to the position, close to the guide lower charging barrel (31), of the upper end surface of the supporting clamping seat (37), and a connecting gear (33) is fixedly connected to the position, located in the center of the lower end surface of the servo motor (32);
the transmission device (7) comprises a connecting support plate (71), an installation clamping frame (72), a supporting device (73), a guide chute (74), a connecting device (75), a fixed guide groove (76), a connecting motor (77) and a connecting shell (78);
a connecting motor (77) is fixedly installed on the side end face of the connecting shell (78) close to the opening, two groups of guide sliding grooves (74) are symmetrically formed in the inner end face of the connecting shell (78), two groups of supporting devices (73) are rotatably clamped on the outer end face of the connecting motor (77), and an installation clamping frame (72) is fixedly installed on the upper end face of each supporting device (73);
the inner end face of the connecting shell (78) is provided with a fixed guide groove (76) for guiding, and the rear end face of the connecting shell (78) is symmetrically and fixedly provided with connecting support plates (71) for limiting;
the supporting device (73) comprises a guide sliding rail (731), a fixed sliding groove (732), a spring guide shaft (733), a mounting clamping plate (734), a positioning clamping seat (735) and a connecting sliding block (736); a fixed sliding chute (732) for limiting is formed in the inner end face of the guide sliding rail (731), connecting sliding blocks (736) are symmetrically and fixedly connected to the outer end face of the guide sliding rail (731), and a spring guide shaft (733) is symmetrically and fixedly connected to the bottom end face of the guide sliding rail (731);
the bottom end face of the spring guide shaft (733) is fixedly connected with a positioning clamping seat (735), and the spring guide shaft (733) is fixedly provided with an installation clamping plate (734) through the positioning clamping seat (735).
2. The bamboo particle board with high static bending strength as claimed in claim 1, wherein: connecting device (75) are including connecting curved bar (751), fixed slider (752), support pivot (753) and joint axle (754), the outer terminal surface fixed mounting who supports pivot (753) has two sets of opposite connection curved bar (751) of orientation, the outer terminal surface fixed mounting who connects curved bar (751) has joint axle (754) that is used for connecting, the outer terminal surface middle part department of connecting curved bar (751) rotates the joint and has fixed slider (752).
3. The bamboo particle board with high static bending strength as claimed in claim 2, wherein: the connecting sliding block (736) is matched with the guide sliding groove (74), and the supporting device (73) is matched with the guide sliding groove (74) through the connecting sliding block (736) and is further connected to the inner end face of the connecting shell (78) in a sliding and clamping mode.
4. The bamboo particle board with high static bending strength as claimed in claim 3, wherein: the fixed sliding groove (732) is matched with the fixed sliding block (752), and the connecting device (75) is matched with the fixed sliding block (752) through the fixed sliding groove (732) and is further in sliding clamping connection with the supporting device (73).
5. The bamboo particle board with high static bending strength as claimed in claim 4, wherein: the connecting device (75) is fixedly connected with a connecting motor (77) through a clamping shaft (754).
6. The bamboo particle board with high static bending strength as claimed in claim 5, wherein: the inner end face of the supporting clamping seat (37) is provided with a rotating groove, and the upper end face of the supporting clamping seat (37) is provided with a clamping groove communicated with the rotating groove.
7. The bamboo particle board with high static bending strength as claimed in claim 6, wherein: the rotating groove is connected with the fixed gear disc (36) in a rotating mode in a clamped mode, and the connecting gear (33) is meshed and connected with the fixed gear disc (36) through the clamping groove.
8. The bamboo particle board with high static bending strength as claimed in claim 7, wherein: first swing screen cloth (2) are including screening box (21), magnetism swash plate (22) and filter screen cloth (23), the interior terminal surface center department fixed mounting of screening box (21) has filter screen cloth (23), and is located the interior terminal surface symmetry fixed connection of screening box (21) has magnetism swash plate (22).
9. The bamboo shaving board with high static bending strength as claimed in claim 1, wherein the glue added in the gluing process in the step S5 is based on the mass of each layer of raw materials: surface layer material: 4.8-5.6wt% of MDI glue and 1.5-2.2wt% of molten paraffin; core layer material: 3.1-3.7wt% of MDI glue and 1.6-2.5wt% of emulsified paraffin.
CN202210118493.3A 2022-02-08 2022-02-08 Production process and processing equipment of bamboo shaving board with high static bending strength Active CN114434585B (en)

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CN116373062A (en) * 2023-05-06 2023-07-04 福人木业（莆田）有限公司 Composite reinforced moistureproof fiberboard and preparation device and method

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