CN1586845A - Method for producing mould pressing wood filings curved piece - Google Patents
Method for producing mould pressing wood filings curved piece Download PDFInfo
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- CN1586845A CN1586845A CN 200410051513 CN200410051513A CN1586845A CN 1586845 A CN1586845 A CN 1586845A CN 200410051513 CN200410051513 CN 200410051513 CN 200410051513 A CN200410051513 A CN 200410051513A CN 1586845 A CN1586845 A CN 1586845A
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- materials
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- wood chip
- top layer
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Abstract
The production process of curved molded part of wood dust includes the following steps: drying wood chip and wood dust in drying machine to water content below 8 %; sorting wood chip and wood dust to separate surface material layer and core layer material; mixing the surface material layer and core layer material with adhesive separately in stirrer; spreading the mixture and pre-pressing into board blank; cutting material based on the curved part shape, and hot pressing and bending at 120-190 deg.c for more than 2 min; and sawing the edges to form. The present invention produces the curved part with waste material and has saving in material and can reduce environmental pollution.
Description
Technical field
The present invention relates to a kind of production method of mold pressing wood chip bool.
Background technology
Wooden bool on the furniture is generally by obtaining behind the processing log, and the general processing method that adopts is for to carry out rotary-cut with log, thereby the operation of the wooden bool of whole processing is various, cycle is long, the price of adding log itself is also than higher, so cause whole wooden bool cost high.
Summary of the invention
The object of the present invention is to provide that a kind of cost is low, the production method of the mold pressing wood chip bool of environmental protection, to overcome weak point of the prior art.
The production method of the mold pressing wood chip bool that the present invention proposes is characterized in that:
Wood shavings, wood chip are carried out water evaporates in drying machine, the moisture content in wood shavings, the wooden eyebrow is dropped to below 8%;
Wood shavings, wood chip are carried out sorting in separator, select top layer materials and sandwich layer materials;
Top layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix;
The materials ratio of top layer materials and adhesive is carried out according to following weight ratio:
The weight of top layer over dry materials and the weight ratio of adhesive solid content are:
100∶6～100∶20；
Sandwich layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix;
The materials ratio of sandwich layer materials and adhesive is carried out according to following weight ratio:
The weight of sandwich layer over dry materials and the weight ratio of adhesive solid content are:
100∶5～100∶20；
In spreading machine the said mixture that stirs mated formation after the moulding, the water content of the mixture after mating formation remains on 7%-15%;
Wherein: the materials ratio of top layer materials and sandwich layer materials is:
Top layer over dry materials: the weight ratio of sandwich layer over dry materials is 〉=2: 8;
It is pressed into slab in advance will to state mixture with the continous way preformer;
Carry out blanking by the bool size on slab, the slab material is carried out the hot pressing bending machining, hot pressing temperature is 120 ℃-190 ℃, hot pressing time 〉=2min
Slab material saw edge forming after the hot pressing.
Above-mentioned adhesive adopts urea-formaldehyde resin adhesive, and the solids content of this resin glue is 52%-62%.Wood shavings, wood chip are processed by wood chipping equipment, chipper by various wooden leftover pieces.
The present invention utilizes wooden obsolete material processing and fabricating bool, saves cost, reduces environmental pollution.
Description of drawings
Fig. 1 is one embodiment of the invention work flow schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1, work flow of the present invention is just chipped and flaking for wood chipping equipment, chipper various wooden leftover pieces being processed as wood shavings, wood chip earlier; Be dry then: wood shavings, wood chip are carried out water evaporates in drying machine, the moisture content in wood shavings, the wooden eyebrow is dropped in 8%; Then be sorting: wood shavings, wood chip are carried out sorting in separator, select top layer materials and sandwich layer materials respectively; Next be glue mixing: top layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix; The weight of top layer over dry materials and the weight ratio of adhesive solid content are: 100: 6～100: 20; Sandwich layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix; The weight of sandwich layer over dry materials and the weight ratio of adhesive solid content are: 100: 5～100: 20; Adhesive is selected urea-formaldehyde resin adhesive for use, and wherein, the urea-formaldehyde resin adhesive solids content is 52%-62%.
Next be successively again: mat formation, precompressed, edging, transversal, dress plate, hot pressing, unload plate, saw limit, finished product: after the moulding of in spreading machine, the said mixture that stirs being mated formation, the water content of the mixture after mating formation remains between the 7%-15%, wherein, top layer over dry materials: the weight ratio of sandwich layer over dry materials is 〉=2: 8; With the continous way preformer it is pressed into slab in advance then; Carry out blanking by the bool size on slab, the slab material is carried out the hot pressing bending machining, hot pressing temperature is 120 ℃-190 ℃, hot pressing time 〉=2min; At last with the saw of the slab material after hot pressing edge forming.
Claims (3)
1. the production method of a mold pressing wood chip bool is characterized in that:
1) wood shavings, wood chip are carried out water evaporates in drying machine, the moisture content in wood shavings, the wood chip is dropped to below 8%;
2) wood shavings, wood chip are carried out sorting in separator, select top layer materials and sandwich layer materials;
3) top layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix;
The materials ratio of top layer materials and adhesive is carried out according to following weight ratio:
The weight of top layer over dry materials and the weight ratio of adhesive solid content are:
100∶6～100∶20；
Sandwich layer materials and adhesive are added in the mechanical glue mixer according to a certain percentage, stir, mix;
The materials ratio of sandwich layer materials and adhesive is carried out according to following weight ratio:
The weight of sandwich layer over dry materials and the weight ratio of adhesive solid content are:
100∶5～100∶20；
4) in spreading machine the said mixture that stirs mated formation after the moulding, the water content of the mixture after mating formation remains on 7%-15%;
Wherein: the materials ratio of top layer materials and sandwich layer materials is:
Top layer over dry materials: the weight ratio of sandwich layer over dry materials is 〉=2: 8;
5) with the continous way preformer said mixture is pressed into slab in advance;
6) carry out blanking by the bool size on slab, the slab material is carried out the hot pressing bending machining, hot pressing temperature is 120 ℃-190 ℃, hot pressing time 〉=2min;
7) saw of the slab material after hot pressing edge forming.
2. the production method of mold pressing wood chip bool according to claim 1 is characterized in that adhesive adopts urea-formaldehyde resin adhesive, and the solids content of this resin glue is 52%-62%.
3. the production method of mold pressing wood chip bool according to claim 1 is characterized in that wood shavings, wood chip are processed by wood chipping equipment, chipper by various wooden leftover pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051513 CN1586845A (en) | 2004-09-20 | 2004-09-20 | Method for producing mould pressing wood filings curved piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410051513 CN1586845A (en) | 2004-09-20 | 2004-09-20 | Method for producing mould pressing wood filings curved piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1586845A true CN1586845A (en) | 2005-03-02 |
Family
ID=34602463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410051513 Pending CN1586845A (en) | 2004-09-20 | 2004-09-20 | Method for producing mould pressing wood filings curved piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1586845A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958918B (en) * | 2006-11-20 | 2011-04-20 | 曾昭富 | Bedplate of industrial sewing machine fabricated by mixing sawdust, wood wool, and wood |
| CN101402217B (en) * | 2008-10-17 | 2012-09-05 | 金黄莉 | Process for producing furniture |
| CN103449924A (en) * | 2013-09-03 | 2013-12-18 | 广西大学 | Method for preparing slow-release fertilizer shell |
| CN105922367A (en) * | 2016-05-20 | 2016-09-07 | 成都立诚机械有限公司 | Method for preparing compression molded plate |
| CN110497149A (en) * | 2019-07-31 | 2019-11-26 | 山东金麒麟股份有限公司 | A kind of drum brakes piece making method |
-
2004
- 2004-09-20 CN CN 200410051513 patent/CN1586845A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958918B (en) * | 2006-11-20 | 2011-04-20 | 曾昭富 | Bedplate of industrial sewing machine fabricated by mixing sawdust, wood wool, and wood |
| CN101402217B (en) * | 2008-10-17 | 2012-09-05 | 金黄莉 | Process for producing furniture |
| CN103449924A (en) * | 2013-09-03 | 2013-12-18 | 广西大学 | Method for preparing slow-release fertilizer shell |
| CN103449924B (en) * | 2013-09-03 | 2014-11-26 | 广西大学 | Method for preparing slow-release fertilizer shell |
| CN105922367A (en) * | 2016-05-20 | 2016-09-07 | 成都立诚机械有限公司 | Method for preparing compression molded plate |
| CN110497149A (en) * | 2019-07-31 | 2019-11-26 | 山东金麒麟股份有限公司 | A kind of drum brakes piece making method |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |