CN103568094A - Solid wood and composite board combined furniture and forming technique thereof - Google Patents
Solid wood and composite board combined furniture and forming technique thereof Download PDFInfo
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- CN103568094A CN103568094A CN201310491265.1A CN201310491265A CN103568094A CN 103568094 A CN103568094 A CN 103568094A CN 201310491265 A CN201310491265 A CN 201310491265A CN 103568094 A CN103568094 A CN 103568094A
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Abstract
The invention discloses solid wood and composite board combined furniture. The furniture comprises a group of bent wood parts, wherein all bent wood parts are formed by thermally pressing composite boards; the contact surfaces of adjacent bent wood parts are bonded with each other to form the furniture; solid wood connection pieces are arranged between the bent wood parts; gaps are formed between bent parts of the adjacent bent wood parts; the solid wood connection pieces are positioned in the gaps; the outer surfaces of the solid wood connection pieces are coated with the adjacent bent wood parts. The solid wood connection pieces are added into the key stress points of the bent wood parts for buffering, so that the stress strength of wood veneer fibers is relieved, the convenience in molding is achieved, the physical molding limit of the bent wood furniture is broken through, and the environmental friendliness characteristic of the bent wood furniture is retained; as a plurality of parts are formed by one mold through the composite board and solid wood combined molding technique, the production efficiency is multiplied, the production cost is greatly reduced, the product shape is more beautiful, and the firmness is more reliable.
Description
Technical field
The present invention relates to Furniture manufacture technology, relate in particular to a kind of furniture being formed by solid wood and multi-layer sheet and moulding process thereof.
Background technology
Tradition solid wood class Furniture manufacture is very high to the requirement of solid wood material, makes the parts of moulding complexity, need to pass through multiple working procedure, makes a plurality of parts, then carries out parts splicing, just can reach required form.According to the statistics of traditional solid wood furniture manufacturing industry data, the spillage of material of this processing mode is conventionally all more than 30%, and paying of labor hour is several times of those integral forming process.Bending-wood technique or multi-layer sheet technique can well solve these wastes that pure solid wood manufacture brings; a lot of complicated bending-wood parts are all often one-body molded; raw material loss loss can be controlled at below 5%, and this is very favorable to conservation of nature log resource.
But bending-wood product also has its physics moulding limit, can not integral structure too complicated parts, this is a large drawback of bending-wood manufacturing process.The physics moulding limit of bending-wood technique is limited by the wood fibre intensity of log wood skin, when multi-layer sheet is out of shape, the fiber bearing tension of outer side rail skin, interior side rail hide fiber bears pressure, when if the crucial stress point deformation intensity of moulding is greater than the intensity of wooden hide fiber, just there will be pine layer and fibrous fracture phenomenon.Meanwhile, under conventional bending woodworking the parts of different shaping need to different shaping to touch tool compressing, or then manually with screw rod tenon, connect these different parts, production process is comparatively complicated.For example, shown in Fig. 1, be a kind of traditional mode of production process of bending-wood seat, its forward foot in a step 1 completes with 2 minutes two parts of the rear foot, more fixing by five metals screw rod 3.Therefore, be necessary the manufacture craft of bentwood furniture to improve, to overcome above-mentioned defect.
Summary of the invention
The object of this invention is to provide furniture and moulding process thereof that a kind of solid wood is combined with multi-plywood.
The present invention is that the technical scheme that its technical problem of solution adopts is,
The furniture that solid wood is combined with multi-layer sheet, include one group of bending-wood parts, each bending-wood parts are hot-forming by multi-layer sheet, the contact-making surface of adjacent flex woody part part is bonded to each other, form furniture, between bending-wood parts, be provided with solid wood connector, between the kink of adjacent flex woody part part, form space, solid wood connector is arranged in this space, and adjacent flex woody part part is coated on solid wood connector outer surface;
Between solid wood connector and bending-wood parts, have bond layer, bond layer is fastenedly connected solid wood connector and bending-wood parts;
Solid wood connector outside has joint face, and this joint face is consistent with the kink radian of bending-wood parts, and solid wood connector and bending-wood parts are fitted tightly.
The moulding process of the furniture that above-mentioned solid wood is combined with multi-layer sheet, comprises the following steps:
1) prepare multi-layer sheet veneer, multi-layer sheet veneer is carried out to drying and processing, according to the shape of each bending-wood parts, multi-layer sheet veneer is cut, then to the multi-layer sheet veneer coated with adhesive after cutting, then the multi-layer sheet veneer that is coated with binding agent is carried out superimposed;
Prepare solid wood, according to the shape in space between the kink of adjacent flex woody part part, solid wood is cut, form solid wood connector, at solid wood connector surface coated with adhesive;
2) the multi-layer sheet veneer after superimposed is put into mould, use hot-press equipment pressing mold, multi-layer sheet veneer is carried out to precompressed, after space forms, the solid wood connector that is coated with binding agent is put into space and carry out whole pressing, taking-up cooling after pressing completes.
Step 1), in, the thickness of multi-layer sheet veneer is 1.3mm～1.7mm;
The drying and processing process of multi-layer sheet veneer is as follows,
(1) by dryer Temperature Setting, be 170 ℃～190 ℃, air pressure reaches 0.2Mpa～0.3Mpa;
(2) the multi-layer sheet veneer of completing is sent into dryer, veneer number of pages is no more than 3 pages;
(3) multi-layer sheet veneer is dried, drying time is 25min～30min, and making Veneer moisture is 7%～8%, and the veneer heat radiation after oven dry is stand-by;
Bonding agent comprises glue and ammonium chloride, and its proportioning is 1000: 3～1000: 5.
The invention has the advantages that, this furniture adds solid wood connector to cushion at the crucial stress point of bending-wood parts, slows down the force intensity that is subject to of wooden hide fiber, is convenient to carry out moulding, break through the physics moulding limit of bentwood furniture, and the environmental protection characteristic that retains bentwood furniture, by this multi-layer sheet and solid wood in conjunction with formative technology, a plurality of parts of mould molding, make production efficiency increase at double, production cost is significantly declined, and makes product form more graceful, and firmness is more reliable.
Accompanying drawing explanation
Fig. 1 is the connection procedure schematic diagram of conventional bending wood;
Fig. 2 is the furnature construction schematic diagram that the present invention proposes;
Fig. 3 is the production process schematic diagram of furniture in Fig. 2;
Fig. 4 is the amplification close up view at A place in Fig. 3;
Fig. 5 is the mould structure schematic diagram of this furniture;
Fig. 6 is that in Fig. 5, mould is subject to force direction schematic diagram.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with diagram and specific embodiment, further set forth the present invention.
Fig. 2 is a kind of structural representation of seat of being combined with multi-layer sheet by solid wood, bending-wood parts wherein comprise front support leg 4, rear leg 5 and lower support leg 6, front support leg 4, rear leg 5 and lower support leg 6 are hot-forming by multi-layer sheet, the contact-making surface of front support leg 4, rear leg 5 and lower support leg 6 is bonded to each other, form this seat, between the kink of front support leg 4, rear leg 5 and lower support leg 6, form space, solid wood connector 7 is arranged in this space, and front support leg 4, rear leg 5 and lower support leg 6 are coated on the outer surface of this solid wood connector 7; Between solid wood connector 7 and front support leg 4, rear leg 5 and lower support leg 6, have bond layer, bond layer is fastenedly connected solid wood connector 7 and front support leg 4, rear leg 5 and lower support leg 6; Solid wood connector 7 outsides have joint face, and this joint face is consistent with the kink radian of front support leg 4, rear leg 5 and lower support leg 6, and solid wood connector 7 and front support leg 4, rear leg 5 and lower support leg 6 are fitted tightly;
Fig. 3～Fig. 6 is the production process of above-mentioned seat, the front support leg 4 of this seat, rear leg 5 and lower support leg 6 adopt multi-layer sheet hot-forming, utilize solid wood connector 7 to fill the space that front support leg 4, rear leg 5 and lower support leg 6 bending places form, front support leg 4, rear leg 5 and lower support leg 6 are fastenedly connected, and corresponding mould is comprised of patrix 8, rear mold 9 and counterdie 10.
Material is prepared
Multi-layer sheet veneer: can select poplar, Eucalyptus, birch veneer according to product requirement, THICKNESS CONTROL is at 1.3mm～1.7mm, and thickness surpasses this upper limit and easily produces fiber drawing crack phenomenon.Veneer is cut into slices and is had many flaws or size is incomplete due to native annulus, should first mend plate and spell skin with material saving before making multi-layer sheet; Spell Pi Shiyao and accomplish that wood grain is complete, symmetrical, color is basically identical, panel immaculate, without knot, flawless, nothing is gone mouldy, wood grain is clear.
Solid wood connector: can select weedtree or birch timber, make the 75mm length of side with band saw, the triangle wooden unit of both sides band R50 radian.This solid wood connector should select without knot, flawless, without the producing wood that goes mouldy, and through normal stifling processing.
Binding agent: the proportioning of glue and ammonium chloride is 1000: 3～1000: 5, can allocate suitable flour into if desired, to increase bond effect.
Compacting tool set design: the pressing direction that this seat relates to is respectively front side, upside, rear side, downside, owing to not having parts to intercept between front side, upside, the front side of mould and upper portion can be integrated, therefore, compacting tool set is comprised of patrix, rear mold and counterdie, utilizes the upper and lower pressure in hot press front and back pressing multi-layer sheet veneer and solid wood connector simultaneously.
Process
Drying-plate: be 180 ℃ by dryer Temperature Setting, air pressure reaches 0.25Mpa; The multi-layer sheet veneer of completing is sent into dryer, and veneer number of pages is no more than 3 pages, and will place neat; Veneer is dried, and drying time is 25min～30min, and making Veneer moisture is 7%～8%, the veneer after oven dry be placed on heat radiation rack, dispel the heat stand-by.
Cutting plate: according to shape of product, quantity and material, veneer is cut; In cutting process, the good veneer of outward appearance is chosen for panel, panel select requirement: without cracking, without dying for the sake of honour, anophthalmia hole and smooth surface, leftover pieces more than 2cm will utilize to reduce spillage of material again.
Gluing: debugging rubber roll: adjust rubber roll thickness according to the thickness of institute's processing work; Adjust glue amount, the glue that tune is mixed is evenly poured between two rubber rolls; Veneer is put between rubber roll and to be crossed glue, and crossing glue should not many mistake, should notice that gluing is even, has to leak phenomenon and can carry out craft benefit glue, need avoid hot plate to cross glue.
Lamination: owing to relating to solid wood and multi-layer sheet is one-body molded, the lamination process need of this seat carries out respectively stacking multilayer boards to front support leg, rear leg and lower support leg.In lamination process, size will meet the requirements, and can not have overlapping, vacancy, and breach, the available wooden skin in eye place are repaired, and should note wooden skin positive and negative and wooden ridge orientation while pasting wooden skin, keeps wooden skin clean, glue-free washmarking mark.
Patrix: whether accurately check institute's die pressing product model, specification, board dimension, number of pages; Start hot press, mould is put to seat in the plane; The veneer of folding is put into mould, and measures its thickness, start hot press, first by two to touching tool pre-pressing, until in the middle of form behind space, the solid wood connector of gluing is put into space, then the rear side multilayer single plate workpiece of folding is entered to mould, carry out whole pressing.
Unload and touch: pressing, after 25 minutes, is closed hot press, take out the good workpiece of pressing and cool, 15 minutes and its cold true deformation coefficient of inspection, finish whole pressing process as qualified.
This moulding process adopts solid wood and the pattern of multi-layer sheet connecting shaping to produce furniture critical piece, and practice shows, improving productivity is to the more than 3 times of old technique, and artificial demand has but declined 50%, and materials'use reduction by 20%.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. the furniture that solid wood is combined with multi-layer sheet, include one group of bending-wood parts, each bending-wood parts are hot-forming by multi-layer sheet, the contact-making surface of adjacent flex woody part part is bonded to each other, forms furniture, it is characterized in that, between bending-wood parts, be provided with solid wood connector, between the kink of adjacent flex woody part part, form space, solid wood connector is arranged in this space, and adjacent flex woody part part is coated on solid wood connector outer surface.
2. the furniture that solid wood according to claim 1 is combined with multi-layer sheet, is characterized in that, between solid wood connector and bending-wood parts, has bond layer, and bond layer is fastenedly connected solid wood connector and bending-wood parts.
3. the furniture that solid wood according to claim 1 is combined with multi-layer sheet, is characterized in that, solid wood connector outside has joint face, and this joint face is consistent with the kink radian of bending-wood parts, and solid wood connector and bending-wood parts are fitted tightly.
4. the moulding process of the furniture that solid wood claimed in claim 1 is combined with multi-layer sheet, is characterized in that, comprises the following steps:
1) prepare multi-layer sheet veneer, multi-layer sheet veneer is carried out to drying and processing, according to the shape of each bending-wood parts, multi-layer sheet veneer is cut, then to the multi-layer sheet veneer coated with adhesive after cutting, then the multi-layer sheet veneer that is coated with binding agent is carried out superimposed;
Prepare solid wood, according to the shape in space between the kink of adjacent flex woody part part, solid wood is cut, form solid wood connector, at solid wood connector surface coated with adhesive;
2) the multi-layer sheet veneer after superimposed is put into mould, use hot-press equipment pressing mold, multi-layer sheet veneer is carried out to precompressed, after space forms, the solid wood connector that is coated with binding agent is put into space and carry out whole pressing, taking-up cooling after pressing completes.
5. moulding process according to claim 4, is characterized in that step 1) in, the thickness of multi-layer sheet veneer is 1.3mm～1.7mm.
6. moulding process according to claim 4, is characterized in that step 1) in, the drying and processing process of multi-layer sheet veneer is as follows,
(1) by dryer Temperature Setting, be 170 ℃～190 ℃, air pressure reaches 0.2Mpa～0.3Mpa;
(2) the multi-layer sheet veneer of completing is sent into dryer, veneer number of pages is no more than 3 pages;
(3) multi-layer sheet veneer is dried, drying time is 25min～30min, and making Veneer moisture is 7%～8%, the veneer after oven dry be placed on heat radiation rack, dispel the heat stand-by.
7. moulding process according to claim 4, is characterized in that, bonding agent comprises glue and ammonium chloride, and its proportioning is 1000: 3～1000: 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310491265.1A CN103568094A (en) | 2013-10-15 | 2013-10-15 | Solid wood and composite board combined furniture and forming technique thereof |
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| CN201310491265.1A CN103568094A (en) | 2013-10-15 | 2013-10-15 | Solid wood and composite board combined furniture and forming technique thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441185A (en) * | 2014-12-05 | 2015-03-25 | 柳州柏豪家具有限公司 | Production process for veneer bending wood furniture |
| CN104526793A (en) * | 2014-11-28 | 2015-04-22 | 柳州柏豪家具有限公司 | Production process of veneer bending wooden furniture |
| CN107186835A (en) * | 2017-07-21 | 2017-09-22 | 容县润达家具有限公司 | A kind of curved cushion sheet metal forming technique of seat |
| CN107253257A (en) * | 2017-07-21 | 2017-10-17 | 容县润达家具有限公司 | A kind of curved surface backing plate manufacture craft of seat |
| CN113103389A (en) * | 2021-04-19 | 2021-07-13 | 南京林业大学 | Processing equipment and method for bamboo bending piece |
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| CN202820403U (en) * | 2012-09-25 | 2013-03-27 | 陈传根 | Multilayer veneered bentwood chair |
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| GB493145A (en) * | 1937-03-31 | 1938-09-30 | Bruno Jablonsky | Pressed articles, particularly airscrew blades, of laminated wood and method of manufacturing the same |
| GB665266A (en) * | 1947-08-26 | 1952-01-23 | Alois Hodel | Improvements in or relating to pressing apparatus of veneer presses |
| CN2436286Y (en) * | 2000-07-11 | 2001-06-27 | 田凤祥 | Multi-board curved hollow structure furniture |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526793A (en) * | 2014-11-28 | 2015-04-22 | 柳州柏豪家具有限公司 | Production process of veneer bending wooden furniture |
| CN104441185A (en) * | 2014-12-05 | 2015-03-25 | 柳州柏豪家具有限公司 | Production process for veneer bending wood furniture |
| CN107186835A (en) * | 2017-07-21 | 2017-09-22 | 容县润达家具有限公司 | A kind of curved cushion sheet metal forming technique of seat |
| CN107253257A (en) * | 2017-07-21 | 2017-10-17 | 容县润达家具有限公司 | A kind of curved surface backing plate manufacture craft of seat |
| CN113103389A (en) * | 2021-04-19 | 2021-07-13 | 南京林业大学 | Processing equipment and method for bamboo bending piece |
| CN113103389B (en) * | 2021-04-19 | 2022-04-15 | 南京林业大学 | Processing equipment and method for bamboo bending piece |
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Application publication date: 20140212 |