CN102555014B - Processing method of manufacturing joinery core board through sawing fir tip by utilizing cross sawing method - Google Patents
Processing method of manufacturing joinery core board through sawing fir tip by utilizing cross sawing method Download PDFInfo
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- CN102555014B CN102555014B CN201210038070.7A CN201210038070A CN102555014B CN 102555014 B CN102555014 B CN 102555014B CN 201210038070 A CN201210038070 A CN 201210038070A CN 102555014 B CN102555014 B CN 102555014B
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- china fir
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Abstract
The invention discloses a processing method of manufacturing joinery core board through sawing fir tip by utilizing a cross sawing method. The method comprises the steps of taking discarded fir tips in mountains as raw materials, cutting off by use of mechanical equipment, drying, processing to obtain right-angle circular arc wood by utilizing the cross sawing method, coating adhesive, assembling, hot-pressing, planing under pressure, edging and obtaining standard small pieces of joinery core board. The processing method has the characteristics of simpleness in processing technology, convenience for operation, low cost, high fir tip utilization rate and good finished product quality, and lays a solid foundation for producing the fir tip joinery core board with low cost and high quality so as to satisfy the increasing board requirements of construction and decoration industries.
Description
Technical field
The invention belongs to sheet material manufacture field, be specifically related to a kind of cross sawing procedure saw that utilizes and separate the processing method that the China fir tip of a branch is manufactured joinery core board.
Background technology
Along with China's the improving constantly of rapid development of economy and people's living standard over more than 30 year, the people is also more and more stronger to the requirement of the improvement of living conditions, drives market to expand year by year the demand of building board; And China's Forest Resources is very poor, on the one hand, the China fir raw material of producing for traditional joiner sheet material cannot meet the needs in market; On the other hand, as the China fir tip of a branch of hill discarded object, abandon in a large number, give in our national economy and caused very large waste.Some local common people were also once attempting using the China fir tip of a branch to produce China fir core bar (manufacturing the raw material of fir core board), because the China fir tip of a branch exists diameter little, the problem that taperingness is large, the China fir core bar quality of producing cannot guarantee for a long time, has seriously affected inherent quality and the scope of application of finished product fir core board.
Therefore, the China fir tip of a branch resource how rationally utilization is ignored for a long time, the production technology of improvement fir core board, accomplish material its use, the large use of small wood, the excellent use of bad material to the greatest extent, improve utilization rate and the use value of China fir, be the matter of utmost importance that China's timber industry faces, it both can improve forest condition, can promote again the development of new material.Therefore, how to adopt new technology, develop new product, expand new purposes, increase China fir value-added content of product, become the primary task of pendulum in face of we forestry science and technology worker.
Summary of the invention
In order to address the above problem, the invention provides a kind of cross sawing procedure saw that utilizes and separate the processing method that the China fir tip of a branch is manufactured joinery core board, this invention can effectively utilize aboundresources, cheap China fir tip of a branch resource, solves in China fir tip of a branch process the low and poor problem of crudy of volume recovery.
A kind of processing method of utilizing cross sawing procedure saw to separate China fir tip of a branch manufacture joinery core board comprises the following steps:
1) clear up the foreign material on the China fir tip of a branch, by briar, be cut into the China fir rod of 0.5-0.6 rice length;
2) China fir rod is sent into lumber kiln and be dried, baking temperature is 110-130 ℃, and be 10-20 hour drying time, and the moisture control of dry rear China fir rod is at 8-10%;
3) China fir rod is processed into right angle circular arc material by cross sawing procedure at fine woodwork band saw from microcephaly; Described cross sawing procedure is to cut (see figure 1) along two orthogonal center lines on China fir rod cross section;
4) at two right-angle side brushing urea-formaldehyde resin adhesives of right angle circular arc material, glue-spread is 220-300g/m
2, after ageing 1-4 hour, put into hot press from molding jig by the mode assembly shown in Fig. 2, complete cure under pressure after assembly: hot press pressure is 1.5MPa, and hot pressing temperature is 105-120 ℃, and hot pressing time is 10-15 minute;
5) completely crued China fir right angle circular arc material assembly part is taken out, place after 24 hours, making specification is the China fir right angle circular arc recombinant material of 510mm * 510mm * 15mm;
6) the first fixed thick processing of process thicknesser of China fir right angle circular arc recombinant material, then process through the edging of sizing saw machine, making specification is the China fir right angle circular arc recombinant material sheet material of 440mm * 440mm * 13mm, obtains joinery core board.
The China fir tip of a branch in described step 1) is China fir logging residue.
In described step 4), urea-formaldehyde resin adhesive is that Fuzhou Artificial Plate Factory produces, and solid content is 50-60%, and pH value is 7.3, and viscosity is 600-800 centipoise.
In described step 3), dried China fir rod is carried out to the processing of cross sawing procedure by microcephaly, object is to improve machining accuracy and the volume recovery of China fir right angle circular arc material.
In described step 4), digestion time changes with the variation of season and temperature: summer, two season of autumn temperature high, digestion time is 1 hour; Spring, two season of winter, temperature was low, and digestion time is 4 hours, and the concrete time is rationally adjusted depending on local natural conditions.
In described step 4), from molding jig, be the square structure that the stainless steel square steel 3 that is 10mm * 10mm by cross section processes; Inside casing size 510mm * 510mm plays spacing and fixed thick function in the assembly of right angle circular arc material and hot pressing, prevents that the assembly part of right angle circular arc material from occurring conquassation and pressing loose phenomenon in hot pressing because pressure treatment is improper.
In described step 4), the assemble pattern of right angle circular arc material requires the concentric reducer of two the right angle circular arc materials 4,5 face mutually to exchange, and prevents that too much right angle circular arc material major part from gathering and cause for want of inherent quality of enough Effect of Materials final products joinery core boards of other end.
Preferably, the described step 1) China fir tip of a branch is selected the Cunninghamia lanceolata tip of a branch of new felling;
Preferably, described step 2) in, the baking temperature of China fir rod is 120 ℃, and be 10 hours drying time, dry after the moisture control of China fir rod below 8%.
Preferably, in described step 4), adopt by hand the even brushing urea-formaldehyde resin adhesive of two right-angle sides of right angle circular arc material, glue-spread 260g/M
2, the arc-shaped edges of right angle circular arc material is gluing not.
Remarkable advantage of the present invention is: the present invention has that processing technology is simple, easy to operate, cost is low, China fir tip of a branch utilization rate is high, the feature of quality of finished product good, adopt technology of the present invention can effectively utilize aboundresources, cheap China fir tip of a branch resource, produce low-cost, high-quality China fir tip of a branch joiner sheet material, for meeting building and repairs profession, produce growing sheet material needs and lay a solid foundation.
Accompanying drawing explanation
Fig. 1 is China fir tip of a branch cross sawing procedure schematic diagram of the present invention; Wherein: 1, the saw of first in cross sawing procedure; 2, the saw of second in cross sawing procedure.
Fig. 2 is the China fir tip of a branch of the present invention right angle circular arc material assembly schematic diagram; Wherein: 3, the stainless steel square steel of cross section 10mm * 10mm; 4, China fir right angle circular arc material (major part); 5, China fir right angle circular arc material (microcephaly).
The specific embodiment
The concrete steps of utilizing cross sawing procedure saw to separate China fir tip of a branch manufacture joinery core board processing method are:
Step 1: clear up in time bark, branch and other foreign material by collecting the China fir tip of a branch coming, be cut into the China fir rod of 0.5 meter of length by briar;
Step 2: the China fir rod blocking is sent into lumber kiln dry, baking temperature is 110～130 ℃, and be 10～20 hours drying time, and the moisture control of dry rear China fir rod is 8～10%;
Step 3: dried China fir rod microcephaly is processed into right angle circular arc material by the cross sawing procedure shown in Fig. 1 on fine woodwork band saw;
Step 4: the right angle circular arc material processing is taken out, at two right-angle side brushing urea-formaldehyde resin adhesives, glue-spread 220～300g/m
2, ageing is assembly after 1～4 hour, put into hot press from molding jig by the mode assembly shown in Fig. 2, complete cure under pressure after assembly; Hot press pressure is 1.5 MPa, 105～120 ℃ of hot pressing temperatures, and hot pressing time is 10～15 minutes;
Step 5: completely crued China fir right angle circular arc material assembly part is taken out, place after 24 hours, making specification is the China fir right angle circular arc recombinant material of 510mm * 510mm * 15mm;
Step 6: China fir right angle circular arc recombinant material is the fixed thick processing of process thicknesser first, then process through the edging of sizing saw machine, making specification is the China fir right angle circular arc recombinant material sheet material of 440mm * 440mm * 13mm, obtains the joinery core board of small pieces.
The China fir tip of a branch in described step 1 is China fir logging residue.
In described step 2, the baking temperature of China fir rod is 120 ℃, and be 10 hours drying time, and the moisture control of dry rear China fir rod is below 8%.
In described step 3, dried China fir rod is carried out to the processing of cross sawing procedure by the lower saw requirement of Fig. 1 to microcephaly, object is to improve machining accuracy and the volume recovery of China fir right angle circular arc material.
In described step 4, adopt manual by the even brushing urea-formaldehyde resin adhesive of two right-angle sides of right angle circular arc material, glue-spread 260g/m
2, the arc-shaped edges of right angle circular arc material is gluing not.
The urea-formaldehyde resin adhesive adopting in described step 4 is that Fuzhou Artificial Plate Factory produces, and the solid content of glue is 55%, pH value 7.3, viscosity 700 centipoises.
The digestion time adopting in described step 4 changes with the variation of season and temperature, summer, two season of autumn temperature high, digestion time 1 hour, spring, two season of winter temperature low, digestion time 4 hours.
The square structure that the stainless steel square steel 3 that is 10mm * 10mm by cross section from molding jig adopting in described step 4 processes.Inside casing size 510mm * 510mm plays spacing and fixed thick function in the assembly of right angle circular arc material and hot pressing, prevents that the assembly part of right angle circular arc material from occurring conquassation and pressing loose phenomenon in hot pressing because pressure treatment is improper.
The assemble pattern of the right angle circular arc material adopting in described step 4 requires the concentric reducer of two right angle circular arc materials 4,5 of facing mutually to exchange, and prevents that too much right angle circular arc material major part from gathering and cause for want of inherent quality of enough Effect of Materials final products joinery core boards of other end.
Therefore, the small pieces joinery core board of preparing by the present invention, can meet the instructions for use as fir core board completely.In addition, adopt production technology of the present invention, can effectively utilize aboundresources, cheap China fir tip of a branch resource, produces low cost, high-quality core-board, can meet the demand of building trade.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. utilize cross sawing procedure saw to separate the processing method that the China fir tip of a branch is manufactured joinery core board, it is characterized in that: described processing method comprises the following steps:
1) clear up the foreign material on the China fir tip of a branch, by briar, be cut into the China fir rod of 0.5-0.6 rice length;
2) China fir rod is sent into lumber kiln and be dried, baking temperature is 110-130 ℃, and be 10-20 hour drying time, and the moisture control of dry rear China fir rod is at 8-10%;
3) China fir rod is processed into right angle circular arc material by cross sawing procedure at fine woodwork band saw from microcephaly; Described cross sawing procedure is to cut along two orthogonal center lines on China fir rod cross section;
4) at two right-angle side brushing urea-formaldehyde resin adhesives of right angle circular arc material, glue-spread is 220-300g/m
2, after ageing 1-4 hour, put into hot press from molding jig assembly, complete cure under pressure after assembly: hot press pressure is 1.5MPa, and hot pressing temperature is 105-120 ℃, and hot pressing time is 10-15 minute;
5) completely crued China fir right angle circular arc material assembly part is taken out, place after 24 hours, making specification is the China fir right angle circular arc recombinant material of 510mm * 510mm * 15mm;
6) the first fixed thick processing of process thicknesser of China fir right angle circular arc recombinant material, then process through the edging of sizing saw machine, making specification is the China fir right angle circular arc recombinant material sheet material of 440mm * 440mm * 13mm, obtains joinery core board;
The China fir tip of a branch in described step 1) is China fir logging residue;
In described step 4), urea-formaldehyde resin adhesive is that Fuzhou Artificial Plate Factory produces, and solid content is 50-60%, and pH value is 7.3, and viscosity is 600-800 centipoise;
In described step 4), digestion time changes with the variation of season and temperature: summer, two season of autumn temperature high, digestion time is 1 hour; Spring, two season of winter, temperature was low, and digestion time is 4 hours, and the concrete time is rationally adjusted depending on local natural conditions;
In described step 4), from molding jig, be the square structure that the stainless steel square steel that is 10mm * 10mm by cross section processes; Inside casing size 510mm * 510mm;
In described step 4), the assemble pattern of right angle circular arc material requires the concentric reducer of two adjacent right angle circular arc materials to exchange, and prevents that too much right angle circular arc material major part from gathering and causing for want of inherent quality of enough Effect of Materials final products joinery core boards of other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038070.7A CN102555014B (en) | 2012-02-20 | 2012-02-20 | Processing method of manufacturing joinery core board through sawing fir tip by utilizing cross sawing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210038070.7A CN102555014B (en) | 2012-02-20 | 2012-02-20 | Processing method of manufacturing joinery core board through sawing fir tip by utilizing cross sawing method |
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| Publication Number | Publication Date |
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| CN102555014A CN102555014A (en) | 2012-07-11 |
| CN102555014B true CN102555014B (en) | 2014-02-19 |
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| CN201210038070.7A Expired - Fee Related CN102555014B (en) | 2012-02-20 | 2012-02-20 | Processing method of manufacturing joinery core board through sawing fir tip by utilizing cross sawing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103600404A (en) * | 2013-10-28 | 2014-02-26 | 黄山市永锦工艺品有限公司 | Production technology for producing core board by using leftover material plates |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389330A (en) * | 2001-06-01 | 2003-01-08 | 浙江林学院 | Prepn. of core board for fine woodworker's board |
| KR20080038983A (en) * | 2006-10-31 | 2008-05-07 | 소병춘 | A manufacturing method for the layered wood block |
| CN201172954Y (en) * | 2008-04-14 | 2008-12-31 | 浙江德生木业有限公司 | Composite floor |
| CN101513745A (en) * | 2009-04-03 | 2009-08-26 | 黑龙江省尚志国有林场管理局 | Preparation method for composite inflaming retarding core-board |
| CN201456131U (en) * | 2009-04-03 | 2010-05-12 | 黑龙江省尚志国有林场管理局 | Composite antiflaming blockboard |
| CN201824428U (en) * | 2010-09-25 | 2011-05-11 | 毛善锋 | Blockboard of finger joint panel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5143369B2 (en) * | 2006-03-16 | 2013-02-13 | アイカ工業株式会社 | Thermosetting resin decorative board |
| JP2011178092A (en) * | 2010-03-03 | 2011-09-15 | Shonai Tekko Kk | Method of manufacturing heat insulating board or the like using rice hull or the like as raw material |
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2012
- 2012-02-20 CN CN201210038070.7A patent/CN102555014B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389330A (en) * | 2001-06-01 | 2003-01-08 | 浙江林学院 | Prepn. of core board for fine woodworker's board |
| KR20080038983A (en) * | 2006-10-31 | 2008-05-07 | 소병춘 | A manufacturing method for the layered wood block |
| CN201172954Y (en) * | 2008-04-14 | 2008-12-31 | 浙江德生木业有限公司 | Composite floor |
| CN101513745A (en) * | 2009-04-03 | 2009-08-26 | 黑龙江省尚志国有林场管理局 | Preparation method for composite inflaming retarding core-board |
| CN201456131U (en) * | 2009-04-03 | 2010-05-12 | 黑龙江省尚志国有林场管理局 | Composite antiflaming blockboard |
| CN201824428U (en) * | 2010-09-25 | 2011-05-11 | 毛善锋 | Blockboard of finger joint panel |
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