CN104441103A - Gluing method for rosewood widening - Google Patents
Gluing method for rosewood widening Download PDFInfo
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- CN104441103A CN104441103A CN201410631482.0A CN201410631482A CN104441103A CN 104441103 A CN104441103 A CN 104441103A CN 201410631482 A CN201410631482 A CN 201410631482A CN 104441103 A CN104441103 A CN 104441103A
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- gluing
- redwood
- rosewood
- sawn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides a gluing method for rosewood widening, especially a gluing method for manufacturing of a rosewood furniture face plate, a floor and the like and belongs to the technical field of rosewood furniture machining. The method comprises the steps that A. material sawing is carried out, wherein logs are sawn into plate strips with the needed specifications; B. drying is carried out, rosewood plate strips which are sawn into pieces of plates are placed to a ventilation position for air drying until water content is 40%-50%, then the plate strips are placed into a drying kiln, and kiln drying is carried out until the water content of wood materials reach 8%-12%; C. faces to be glued is subjected to machining, wherein the faces, which need gluing, of sawing materials are subjected to slicing or sanding, a glue face to be coated is flat, and then small needle-shaped holes are formed in the gluing faces of rosewood; D. gluing applying widening is carried out, wherein double-component cold pressing gluing agents are applied to the gluing faces on the side of the face plate strips, and two adjacent face plate strips are spliced together through a glue column formed by the gluing agents; and E. gluing is carried out, wherein the spliced plates are placed in a cold press for pressing gluing, and a needed splicing face plate is obtained. The gluing performance of rosewood can be greatly improved, production cost can be effectively lowered, great promotion value and great economical and social benefit are achieved.
Description
Technical field
The invention belongs to mahogany furniture processing technology field, be specifically related to a kind of method improving redwood glue performance.
Background technology
The handicraft glamour of the machining technique uniqueness that mahogany furniture is traditional, imparts the artistic value that mahogany furniture is very high.The idea of mahogany furniture material is deep-rooted in the thought of people, and people have had more deep understanding to the value of mahogany furniture.But the process technology of modern production to mahogany furniture proposes challenge, machining technique, the processing technology of mahogany furniture must keep pace with the times, require the drying of wood, component processing, covering with paint, carve and the traditional handicraft such as to inlay and improve, be necessary, to the selectable inherit and development of artisan craftsmanship, the glamour of mahogany furniture to be developed while introducing new equipment, new technology and new technology.
Redwood is widely used in the various uses such as building structure, ornament materials, furniture.Need through a series of machining and gluing technique from log to solid wood finished product.Many redwood materials, often containing oil, are processed into the parts of furniture easily " property walked ", in addition, redwood density is large, and quality is hard and fine and smooth, in the process of gummed, not easily being permeated, like this when making the products such as panel, can phenomenon of coming unglued be produced because bonding strength is low when jigsaw glues together.The technique such as joggle conjunction, finger, the subsides of veneer mould, jigsaw involved in the process that mahogany furniture manufactures all be unable to do without bonding technique.As can be seen here, adhesive occupies very consequence in the production of mahogany furniture, and the quality of glue performance directly affects its application in wood products and the lifting of timber added value.
Relatively less for the research of redwood glue performance at present, method that scholar's trial chemical agent impregnates is had to improve the glue performance of redwood, as with casting process, cold plasma, aquosity polymer isocyanic ester glue etc., although serve certain effect, some toxic gases but chemical agent can volatilize, as formaldehyde, affect the safety and Health of user, also cause problem of environmental pollution simultaneously.In addition, the adhesive that enterprise uses redwood is now epoxy resin adhesive, and its glue performance is better, but expensive, adds the production cost of enterprise, urgently develops the productivity effect that a kind of adhesive improves enterprise.
Chinese patent literature CN203488500U discloses one " structure strengthened by mahogany furniture tenon ", it adopts the metal profile be fixed on the tenon of redwood component, outer surface has the friction line of raised or sunken shape, metal profile is located on the stress surface of described tenon, the section of metal profile is L-type, one side embeds in redwood structure, and another side is close to the side of tenon, and the junction of the dual-side of metal profile is round-corner transition.This method, for dimension board, may cause cracking or fracture, in addition, greatly have lost the volume of precious material redwood, affect the utilization rate of timber in process.
Chinese patent literature CN103203789A discloses " a kind of manufacture method of mahogany furniture ", it is before furniture construction, first log is toasted, after baking, improve the stability of log, prevent timber humidity comparatively large and the contraction of generation, cracking and metaboly.The method needs to carry out long drying to log, needs more energy to carry out drying; Be reprocessed in the later stage in the process of sheet material and easily occur the defects such as cracking.
Chinese patent literature CN103194167A discloses " a kind of one-component redwood special glue and preparation method thereof ", it is calculated by mass parts, this acid anhydride, PTA, adipic acid, ethylene glycol, diethylene glycol are dropped in reactor, be warming up to 148 DEG C of water outlets, be then slowly warmed up to 240 DEG C, be incubated 2 hours vacuum stirring, vacuumize cooling after stirring, adding MDI expands sticky, adds ethanol dilution discharging, packaging.The method vacuum tank limited volume used, can not realize extensive mass process, and equipment manufacturing cost is higher; Not to the redwood of different densities, make contrast with regard to its holding temperature and inventory, practicality is fuzzyyer.
Summary of the invention
The object of the invention is to be to overcome the deficiencies in the prior art, provide a kind of more environmental protection, bonding more firmly spells wide gluing method for redwood.
In order to solve the technical problem of above-mentioned existence, the present invention adopts following technical proposals:
Spell a wide gluing method for redwood, it is characterized in that, comprise the steps:
A, sawn timber: lath log being sawn into required specification;
B, drying: first the redwood lath being sawn into one block of block sheet material being placed in ventilation gas, to do to moisture content be 40 ~ 50%, then lath is loaded dry kiln, kiln drying reaches 8 ~ 12% to moisture content;
C, treat cemented surface processing process: to sawn timber need gummed those faces carry out slicing or sanding process, make to treat that coated face is smooth, then squeeze out needle-like aperture at redwood cemented surface;
D, applying glue are spelled wide: apply two component cold pressing glue stick at the cemented surface of face panel side, and be stitched together by two adjacent surfaces lath by the glue post that adhesive is formed;
E, gummed: the sheet material spliced is placed in cold press and carries out compression bonding, obtain required assembled panel.
Spelling in the improvement project of wide gluing method for redwood to above-mentioned, in described step C, the hole diameter squeezed out is 0.1 ~ 2mm, the degree of depth is 0.2 ~ 1mm; The quantity in hole is 5 ~ 50/cm
2.
Spelling in the improvement project of wide gluing method for redwood to above-mentioned, in described step D, adopt two component cold pressing glue stick, coating weight 120 ~ 160g/m
2.
Spelling in the improvement project of wide gluing method for redwood to above-mentioned, in described step e, cold press temperature is 25 ~ 35 DEG C, and pressure is 0.5 ~ 0.8MPa, and the dwell time is 25 ~ 60min.
Spelling in the improvement project of wide gluing method for redwood to above-mentioned, in described step B, kiln drying reaches 10 ~ 12% to moisture content.
Compared with prior art, the invention has the beneficial effects as follows: it be by squeeze out at cemented surface many needle-like apertures increase adhesive infiltrative while, enhance redwood and spell wider than bonding strength in journey, make redwood spell wide bonding more firm; And in preparation process, wood volume loss is little, do not need impregnating resin etc. to cause the chemical substance of environmental pollution yet, therefore this method spell wide redwood sheet material more environmental protection out, bonding strength is stronger.
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
[accompanying drawing explanation]
Fig. 1 is the front view treating the lath of split of the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing in the I portion of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 be the panel bar of the embodiment of the present invention gluing after structural representation.
[detailed description of the invention]
Spell a wide gluing method for redwood, comprise the steps:
A, sawn timber: the lath 1 log being sawn into required specification, as shown in Figures 1 to 3;
B, drying: first lath 1 being placed in ventilation gas, to do to moisture content be 40 ~ 50%, then lath 1 is loaded dry kiln, kiln drying reaches 8 ~ 12% to moisture content;
C, treat cemented surface processing process: to sawn timber need gummed those faces carry out slicing or sanding process, make to treat that coated face is smooth; Then needle-like aperture 11 is squeezed out at redwood cemented surface;
D, applying glue are spelled wide: apply conventional two component cold pressing glue sticks, coating weight 120 ~ 160g/m at the cemented surface of face panel side
2, and by the glue post 2 that adhesive is formed, two adjacent surfaces lath 1 is stitched together;
E, gummed: be placed in cold press by the sheet material spliced, temperature is 25 ~ 35 DEG C, and pressure is 0.5 ~ 0.8MPa, and the dwell time is 25 ~ 60min, obtains required assembled panel.
Preferably, in above-mentioned preparation method, the hole that in its processing treatment step, redwood side surface squeezes out, diameter is the hole of 0.2 ~ 0.8mm in 0.3 ~ 1mm, the degree of depth.More preferred diameter is 0.6mm, and the degree of depth is 0.6mm.
Preferably, in above-mentioned preparation method, in its processing treatment step, cold press temperature is 25 ~ 35 DEG C, and pressure is 0.5 ~ 0.8MPa, and the dwell time is 25 ~ 60min; More preferable temperature is 30 DEG C, and pressure is 0.6 MPa, and the dwell time is 30min.
For dry run, preferably adopt moisture content 10 ~ 12%, effectively can solve the problem such as distortion, gap and bubbling occurred in splicing, in use have good stability.
It is by squeeze out at cemented surface many needle-like apertures increase adhesive infiltrative while, enhance redwood and spell wider than bonding strength in journey, make redwood spell wide bonding more firm; And in preparation process, wood volume loss is little, do not need impregnating resin etc. to cause the chemical substance of environmental pollution yet, therefore this method spell wide redwood jigsaw more environmental protection out, bonding strength is stronger; In addition, with the redwood jigsaw of the method gummed, can be used for manufacturing redwood desktop, rosewood chair sitting face plate, the panel of redwood desk class, the panel of redwood cabinet class and redwood solid wooden floor board etc., good stability of the dimension, has well ornamental.
Embodiment one:
Adopt hophornbeam bean red wood, its gluing method is as follows:
A. log saw solution: log is cut into the juggle that 1 ~ 2m is long, is split into the lath of required specification with band saw;
B. dry: first sawn timber to be placed in ventilation gas and to do to moisture content to be 40 ~ 50%, then sawn timber to be loaded dry kiln, kiln temperature is controlled at 35 ~ 50 DEG C, relative humidity 30 ~ 100%, by the drying of wood to moisture content 10 ~ 12%; Do at gas and in kiln run, piling, ventilation and humiture should be noted, reducing in dry run as far as possible and occur the defect such as shrinkage, cracking, thus affect dry mass and process.
C. process is processed: slicing or sanding process are carried out to redwood cemented surface; Need to punch diameter and the degree of depth according to Material selec-tion; In redwood side surface extruding perforate, diameter is the hole of 0.5mm in 0.5mm, the degree of depth;
D. applying glue is spelled wide: coat conventional two component cold pressing glue sticks in splicing side, resin added is 160g/m
2, after jigsaw, carry out precompressed; During gluing, should ensure surfaces to be coated smooth, without wood chip etc., adhesive coating weight should be even, holiday part, must by hand brush coating coating put in place.
E. Cold-press adhesion: sheet material applying glue spliced is placed on cold press, temperature is 30 DEG C, and pressure is 0.8MPa, and the dwell time is 40min; The pressurize must carried out according to above-mentioned standard after colding pressing, is then allowed to condition in air and naturally cools; To different tree species, strictly should control temperature and pressure of colding pressing, avoid wood volume error;
F. slab repairing, sanding and cutting edge: carry out the repairing of plate face with putty, after to be dried, carry out two-sided sanding or washed ore at sander, then be cut into the finger-jointed plate of required specification;
H. inspection, packaging and warehousing: finger-jointed plate is tested, by the product packaging and warehousing be up to the standards.
Through test, in embodiment one, hophornbeam beans wood gluing performance is significantly improved, and glue performance improves 78.4% than direct jigsaw veneer(ed) wood, and tensile strength improves 68%, and wood-breaking rate and dimensional stability are greatly improved.Under this technique, the defects such as timber crack are few, and wood volume loss is little, non-modified process, keep precious timber primary characteristic.
Embodiment two:
Adopt spray redwood, its gluing method is as follows:
A. log saw solution: log is cut into the juggle that 1 ~ 2m is long, is split into the lath of required specification with band saw;
B. dry: first sawn timber to be placed in ventilation gas and to do to moisture content to be 40 ~ 50%, then sawn timber to be loaded dry kiln, kiln temperature is controlled at 35 ~ 50 DEG C, relative humidity 30 ~ 100%, by the drying of wood to moisture content 10 ~ 12%; Do at gas and in kiln run, piling, ventilation and humiture should be noted, reducing in dry run as far as possible and occur the defect such as shrinkage, cracking, thus affect dry mass and process.
C. process is processed: slicing or sanding process are carried out to redwood cemented surface; Need to punch diameter and the degree of depth according to Material selec-tion; In redwood side surface extruding perforate, diameter is the hole of 0.6mm in 0.6mm, the degree of depth;
D. applying glue is spelled wide: coat conventional two component cold pressing glue sticks in splicing side, resin added is 140g/m
2, after jigsaw, carry out precompressed; During gluing, should ensure surfaces to be coated smooth, without wood chip etc., adhesive coating weight should be even, holiday part, must by hand brush coating coating put in place.
E. Cold-press adhesion: sheet material applying glue spliced is placed on cold press, temperature is 35 DEG C, and pressure is 0.6MPa, and the dwell time is 35min; Pressurize must be carried out according to above-mentioned standard after colding pressing, then be allowed to condition in air and naturally cool; To different tree species, strictly should control temperature and pressure of colding pressing, avoid wood volume error;
F. slab repairing, sanding and cutting edge: carry out the repairing of plate face with putty, after to be dried, carry out two-sided sanding or washed ore at sander, then be cut into the finger-jointed plate of required specification;
H. inspection, packaging and warehousing: finger-jointed plate is tested, by the product packaging and warehousing be up to the standards.
Through test, embodiment 1 medium flower branch wood gluing performance is significantly improved, and glue performance improves 69.5% than direct jigsaw veneer(ed) wood, and tensile strength improves 45%, and wood-breaking rate and dimensional stability are greatly improved.Under this technique, the defects such as timber crack are few, and wood volume loss is little, non-modified process, keep precious timber primary characteristic.
Although with reference to when embodiment describes principle of the present invention and the scope of the claim restriction described in this disengaging in detail above; can make a variety of changes the present invention or revise; but be it will be apparent to one skilled in the art that by the disclosure; the detailed description of disclosure embodiment is only used for explaining; instead of be used for limiting the present invention, but be defined by the subject-matter of the claims the scope of protection.
Claims (5)
1. spell a wide gluing method for redwood, it is characterized in that, comprise the steps:
A, sawn timber: lath log being sawn into required specification;
B, drying: first the redwood lath being sawn into one block of block sheet material being placed in ventilation gas, to do to moisture content be 40 ~ 50%, then lath is loaded dry kiln, kiln drying reaches 8 ~ 12% to moisture content;
C, treat cemented surface processing process: to sawn timber need gummed those faces carry out slicing or sanding process, make to treat that coated face is smooth, then squeeze out needle-like aperture at redwood cemented surface;
D, applying glue are spelled wide: apply cold pressing glue stick at the cemented surface of face panel side, and be stitched together by two adjacent surfaces lath by the glue post that adhesive is formed;
E, gummed: the sheet material spliced is placed in cold press and carries out compression bonding, obtain required assembled panel.
2. according to claim 1ly spell wide gluing method for redwood, it is characterized in that, in described step C, the hole diameter squeezed out is 0.1 ~ 2mm, the degree of depth is 0.2 ~ 1mm; The quantity in hole is 5 ~ 50/cm
2.
3. according to claim 1 and 2ly spell wide gluing method for redwood, it is characterized in that, in described step D, adopt two component cold pressing glue stick, coating weight 120 ~ 160g/m
2.
4. according to claim 3ly spell wide gluing method for redwood, it is characterized in that, in described step e, cold press temperature is 25 ~ 35 DEG C, and pressure is 0.5 ~ 0.8MPa, and the dwell time is 25 ~ 60min.
5. according to claim 4ly spell wide gluing method for redwood, it is characterized in that, in described step B, kiln drying reaches 10 ~ 12% to moisture content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631482.0A CN104441103A (en) | 2014-11-11 | 2014-11-11 | Gluing method for rosewood widening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631482.0A CN104441103A (en) | 2014-11-11 | 2014-11-11 | Gluing method for rosewood widening |
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| CN104441103A true CN104441103A (en) | 2015-03-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999526A (en) * | 2015-07-09 | 2015-10-28 | 昆山卓群园林装饰有限公司 | Method for preventing splicing part of wood structure from cracking |
| CN107127842A (en) * | 2017-06-19 | 2017-09-05 | 湖州南浔三宝木业有限公司 | A kind of woodwork plate |
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| JPH0825303A (en) * | 1994-05-12 | 1996-01-30 | Akiyoshi Kawano | Manufacture of decorative sheet, device thereof and decorative member |
| CN101284384A (en) * | 2007-04-13 | 2008-10-15 | 林群祥 | High-density polyethylene glued board producing method |
| CN102241043A (en) * | 2011-05-12 | 2011-11-16 | 中南林业科技大学 | Method for producing high-strength wood structure engineering material |
| CN102259366A (en) * | 2011-08-05 | 2011-11-30 | 李源林 | Production technology of compound core-boards |
| CN102601828A (en) * | 2012-03-13 | 2012-07-25 | 贵州金鸟木业有限责任公司 | Large-format splicing material and manufacturing method thereof |
| CN103072161A (en) * | 2011-10-25 | 2013-05-01 | 唐忠荣 | Gluing method for wood veneer |
| CN103231425A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Large-specification recombination composite structural wood and manufacturing method thereof |
| CN103770170A (en) * | 2014-01-17 | 2014-05-07 | 贺州市恒达板业有限公司 | Manufacturing method of wedge joint board |
| CN103878856A (en) * | 2014-01-27 | 2014-06-25 | 浙江农林大学 | Method for manufacturing parquet decorative wood veneers |
| CN104209994A (en) * | 2014-09-04 | 2014-12-17 | 湖南德易森环保科技有限公司 | Hipboard with wood plate fibers chopped by through openings and manufacturing process thereof |
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2014
- 2014-11-11 CN CN201410631482.0A patent/CN104441103A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825303A (en) * | 1994-05-12 | 1996-01-30 | Akiyoshi Kawano | Manufacture of decorative sheet, device thereof and decorative member |
| CN101284384A (en) * | 2007-04-13 | 2008-10-15 | 林群祥 | High-density polyethylene glued board producing method |
| CN102241043A (en) * | 2011-05-12 | 2011-11-16 | 中南林业科技大学 | Method for producing high-strength wood structure engineering material |
| CN102259366A (en) * | 2011-08-05 | 2011-11-30 | 李源林 | Production technology of compound core-boards |
| CN103072161A (en) * | 2011-10-25 | 2013-05-01 | 唐忠荣 | Gluing method for wood veneer |
| CN102601828A (en) * | 2012-03-13 | 2012-07-25 | 贵州金鸟木业有限责任公司 | Large-format splicing material and manufacturing method thereof |
| CN103231425A (en) * | 2013-04-25 | 2013-08-07 | 安徽宏宇竹木制品有限公司 | Large-specification recombination composite structural wood and manufacturing method thereof |
| CN103770170A (en) * | 2014-01-17 | 2014-05-07 | 贺州市恒达板业有限公司 | Manufacturing method of wedge joint board |
| CN103878856A (en) * | 2014-01-27 | 2014-06-25 | 浙江农林大学 | Method for manufacturing parquet decorative wood veneers |
| CN104209994A (en) * | 2014-09-04 | 2014-12-17 | 湖南德易森环保科技有限公司 | Hipboard with wood plate fibers chopped by through openings and manufacturing process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999526A (en) * | 2015-07-09 | 2015-10-28 | 昆山卓群园林装饰有限公司 | Method for preventing splicing part of wood structure from cracking |
| CN107127842A (en) * | 2017-06-19 | 2017-09-05 | 湖州南浔三宝木业有限公司 | A kind of woodwork plate |
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Application publication date: 20150325 |