CN202292952U - Cross-hole extruded chipboard and extruding machine with improved heating pipe arrays - Google Patents
Cross-hole extruded chipboard and extruding machine with improved heating pipe arrays Download PDFInfo
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- CN202292952U CN202292952U CN2011204485658U CN201120448565U CN202292952U CN 202292952 U CN202292952 U CN 202292952U CN 2011204485658 U CN2011204485658 U CN 2011204485658U CN 201120448565 U CN201120448565 U CN 201120448565U CN 202292952 U CN202292952 U CN 202292952U
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- chipboard
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Abstract
Disclosed are a cross-hole extruded chipboard and an extruding machine with an improved heating pipe array. The cross-hole extruded chipboard comprises a rectangular chipboard body, a group of through holes are arranged on a core of the rectangular chipboard body and parallel to the width sides of the chipboard, and a solid core area with the length ranging from 30mm to 40mm is arranged in the middle of the core. The extruding machine comprises a transmission rod, an eccentric shaft, a fly wheel and a heating pipe array device, the transmission rod, the eccentric shaft and the fly wheel are in mirror symmetry arrangement pairwise, one end of the transmission rod is connected with the fly wheel while the other end of the transmission rod is connected with the eccentric shaft, and the heating pipe array device consists of two heating pipe arrays independent to each other and respectively arranged on the eccentric shaft. The extruding machine with the improved heating pipe arrays is used for producing cross-hole hollow chipboards substituting for vertical-hole hollow chipboards. Since the direction of holes of the chipboard is changed, the stress structure of the chipboard is more reasonable, structural strength thereof is enhanced, and impact resistance thereof is superior to that of the vertical-hole hollow chipboard.
Description
Technical field
The invention belongs to extrusion particieboard technical field, relate in particular to a kind of cross-drilled hole extruded wood chipboard and the extruder assembly that improves heating calancria.
Background technology
Hollow chipboard is called bridge opening mechanics plate again; It utilizes the principle in arch bridge bridge opening, through the high-tech PROCESS FOR TREATMENT, the solid wood wood chip is made unique tubular structure; It can and guarantee indeformable with the even dispersion of external force; Because weight is half the less than onesize solid plank, slim and graceful quality can also avoid hinge and door pocket too to bear a heavy burden and the distortion that causes, increases the service life.Bridge opening mechanics plate is also as the diffusion of the effective prevention temperature of vacuum flask simultaneously, and the summer in winter all keeps pleasant temperature.
Hollow chipboard is to make raw material with thin bar-shaped particle, in extruder, lays row's metal tube, by the sheet material of extrusion equipment with the continuous impact extrusion one-tenth of wood shavings.Hollow shavings sheet material can well play excellent results heat insulation, sound insulation, and self proportion is little; Its structure stress is evenly reasonable, and structural strength is big, and shock resistance is good.China introduced extrusion hollow shavings board device from Germany in 1958, and product is called the vertical core hollow chipboard, owing to be confined to production equipment, its product size is single, can't meet the need of market.
Summary of the invention
Goal of the invention:To the deficiency on the existing research means, the technical problem that the present invention will solve provides a kind of cross-drilled hole extruded wood chipboard and the extruder assembly that improves heating calancria, to substitute existing vertical core hollow chipboard.
Technical scheme:In order to solve the problems of the technologies described above; The present invention adopts following technological means: cross-drilled hole extrusion particieboard product comprises rectangle particieboard body, on said rectangle particieboard entity plate core; Be provided with one group of through hole; The direction of said through hole is parallel with the particieboard broadside, is provided with real core zone in the middle of the plate core, and the length in real core zone is 30-40mm.
Producing cross-drilled hole extrusion hollow chipboard uses---improve the extruder assembly of heating calancria; Comprise drive link, eccentric shaft and flywheel, the paired mirror image of above-mentioned drive link, eccentric shaft and flywheel is symmetrical set, and an end of drive link is connected with flywheel; The other end is connected with eccentric shaft; Said device also comprises heating calancria, and said heating calancria is made up of two parts, is located on the eccentric shaft respectively.The device width is 2800mm.
Beneficial effect:The present invention adopts improved equipment, produces to substitute existing vertical core hollow shavings panel products---cross-drilled hole hollow chipboard, because the change of perforate direction makes its force structure more reasonable, has improved structural strength, and impact resistance also is superior to the vertical core hollow chipboard.
Cross-drilled hole extrusion hollow chipboard specification: length 2150mm width 915mm thickness 33mm; On cross-drilled hole extrusion hollow chipboard; Be provided with one group of through hole; The direction of said through hole parallel with the particieboard broadside (direction of vertical core hollow chipboard through hole is parallel with the long limit of particieboard) is provided with real core zone in the middle of the plate core, the length in real core zone is 30-40mm.(the few several combs in real core zone are from can find out characteristics of the present invention in appearance) hollow chipboard is mainly used in door panel, and the middle real core zone that is provided with of cross-drilled hole extrusion hollow chipboard gets a promotion for making door installation lock-bit firmness.
It is that 2800mm (the original equipment width is 1900mm) and improvement heating calancria device are divided into two groups (former heating calancria is one group) that equipment and the present invention of heating calancria device adopt the width that improves equipment; Produce product---the cross-drilled hole extrusion hollow shavings panel products that substitutes existing vertical core hollow chipboard; Because the change of perforate direction; Make its force structure more reasonable, improved structural strength, impact resistance also is superior to the vertical core hollow chipboard.
Description of drawings
Fig. 1 is a product structure sketch map of the present invention;
Fig. 2 is a production equipment structural representation of the present invention;
Fig. 3 is a production equipment structure side view of the present invention.
The specific embodiment
With reference to Fig. 1 ~ Fig. 3, specific embodiments of the invention is elaborated.
Embodiment 1:
Cross-drilled hole extrusion hollow shavings panel products comprises rectangle particieboard body 5, on said rectangle particieboard entity plate core; Be provided with one group of through hole 6; Pitch of holes can be 3～7mm, and bore dia can be 10～30mm, and the direction of said through hole is parallel with the particieboard broadside; Be provided with real core zone 7 in the middle of the plate core, the length in real core zone is 30-40mm.
The manufacturing approach of cross-drilled hole extrusion hollow chipboard, step is: the timber leftover bits and pieces chopping back of chipping is dry, and the absolute drift of timber leftover bits and pieces is 30%wt～50% wt, through the dry particle moisture content of drying machine at 3%wt～5%wt; Screening back spraying adhesive and waterproofing agent, said adhesive prescription is counted with mass parts: 100 parts of urea-formaldehyde resin adhesives, 10～15 parts in urea, 0.4～1 part, every cubic metre blanket of ammonium chloride are used 70 kilograms of urea-formaldehyde resin adhesives approximately; The stacking balance obtains the extruded wood chipboard blanket behind the extruding cross cut saw, and when pushing continuously, the temperature of extruder is not less than 170 ℃; Neat flat repeatedly stack built on stilts and be no less than 200 millimeters, every stack height is no more than 1400 millimeters.The used chopping machine knife of chopping step blade grinds angle and is decided to be 36o ± 1o, and the gap of cutting knife and bed plate should be 3～7 millimeters, is no more than 32 millimeters through its length of coarse fodder of shredding, and thickness is no more than 10 millimeters.The chipper knife blade grinding angle of the used wood chipping equipment of the step of chipping is decided to be 30o ± 1o chipper knife and scraper gap remains on 2～3 millimeters, and heighknife holder height is 0.8～1.5 millimeter, and the thickness of particles after chipping more than 70% is at 1～3 millimeter.Baking temperature is not less than 140 ℃ in the air intake vapor (steam) temperature, remains on 80 ℃ at the EGT of moisture exhausting port.
Produce the extruder assembly of cross-drilled hole extrusion hollow chipboard; Comprise drive link 1, eccentric shaft 2 and flywheel 3, the paired mirror image of above-mentioned drive link, eccentric shaft and flywheel is symmetrical set, and an end of drive link is connected with flywheel; The other end is connected with eccentric shaft; Said device also comprises heating calancria 4, and said heating calancria is made up of two parts, is located on the eccentric shaft respectively.
1. the equipment research and development are transformed: the former extrusion equipment width of a. 1900mm; B. now plant width changes the pipe that 2800mm c. comb width is increased to the 2146mm heating calancria into and is increased to nearly one times of existing equipment pipe; Comb is put into the drift difficulty and is strengthened; For solving this difficult point: former heating calancria is an integral body, and to be divided into two as shown in the figure at present, fine this difficult problem that solved; Must there be the 30-40mm distance to be solid slab in the middle of producing this patent of new product application as shown in Figure 1, solid few several holes in the middle of the new product length section outward appearance.
Below be to produce hollow chipboard technology:
One, main raw material(s) and auxiliary material
1. timber is got a foothold and to be various needle books tree materials and broad-leaved wood, and required thickness or diameter are no more than 12 centimetres, and length is no more than 300 centimetres, too much bark and serious rotten, and big knot should be rejected.
2. the adhesive used of extruded wood chipboard blanket is that the 1# urine aldehyde tree that the our factory produces refers to should meet following index by glue.
(1) solids content of resin is not less than 56%;
(2) resin viscosity 100～200 seconds (20 take the photograph appropriateness, B3-4, viscosimeter);
(3) free formaldehyde is not more than 3%;
3. the adhesive used of veneer is that the 2# urine aldehyde tree that the our factory produces refers to that glue should meet following index;
(1) resin solid content is not less than 61#;
(2) resin viscosity 100～200 seconds (20 take the photograph appropriateness, B3-4, viscosimeter);
(3) free formaldehyde is not more than 1%;
4. the particieboard blanket is made waterproofing agent with yellow (in vain) paraffin of general industry, and molten point is 50 ℃～58 ℃;
5. the particieboard veneer is used veneer; Press the plywood single board producting rule, all suitable production glued boards of seeds all can, veneer thickness is 1.25 ± 0.05 millimeters; Material should meet broad-leaved wood glued board " GB738-75 " or Liu An broad-leaved wood glued board, the standard code of third-class plate.
Two, main production equipments
6. produce the equipment of particieboard blanket:
(1) has the drum-type shredding machine of infeed belt conveyor and metal detector, model SO3,1160 millimeters of cutter Kun diameters, 40 kilowatts of motor power (output)s;
(2) chip 26 of (2) chipper knifes of double drum wheel, 8 of scrapers;
(3) cylinder drying machine: 2034 millimeters of internal diameters, long 9140 millimeters.6-12 rev/mins of rotating speeds;
(4) screening machine: go up 8 * 100 millimeters of sieve apertures, 1 * 1 millimeter of following sieve aperture;
(5) desintegrator: 935 millimeters of (hammer formula) sieve plate length overalls, wide 522 millimeters;
(6) glue mixer;
(7) paraffin emulsifier;
(8) cross-drilled hole vertical extruder (2), motor power (output): 22 watts, the drift per minute can dash 60-138 times;
(9) amputating saw (2).
Three. technical process
7. extruded wood chipboard blanket production process:
Timber get a foothold tiltedly processing-chopping-wet feed storehouse-chip-drying-screening-coarse fodder broken again-siccative storehouse-adhesive for spraying and waterproofing agent-storage bin-extruding-cross cut saw-stacking balance;
8. extruded wood chipboard veneer production process:
The veneer arrangement grades-impregnation-gluing-hot pressing-saw limit-check warehouse-in;
9. timber leftover bits and pieces its absolute drift when going into operation should be 30～50% and is advisable, and soft broad-leaved wood can not feed intake separately, must join 50% coniferous wood.
10. chopping machine knife blade grinds the gap that angle is decided to be 36o ± 1o cutting knife and bed plate and should be 3～7 millimeters, and the cutting knife blade should often keep sharp, is no more than 32 millimeters through its length of coarse fodder of chopping, and thickness is no more than 10 millimeters, and coarse fodder is preserved in the wet feed storehouse.
11. the chipper knife blade grinding angle of wood chipping equipment is decided to be 30o ± 1o chipper knife and scraper gap remains on 2～3 millimeters, heighknife holder height is that the frequent maintenance of 0.8～1.5 millimeter blade is sharp, and thickness of particles most of (more than 70%) remains on 1～3 millimeter after chipping.
12. particle advances the cylindrical drier drying through wood chipping equipment cutting back, baking temperature is not less than 140 ℃ in the air intake vapor (steam) temperature, remains on 80 ℃ at the EGT of moisture exhausting port and is as the criterion, and is as the criterion 3～5% through the particle moisture content of drying machine drying.
Remove bulky grain with 1 * 1 mm sieve hole pattern removing particulate 13. dry back particle advances vibration screening with 8 * 10 mm sieve hole patterns, be stored in the siccative storehouse through the qualified particle of screening.
14. the bulky grain particle after screening is hidden subsequent use by sending into the siccative warehousing after the desintegrator hammering.
15. the particle of processing, its granular mass meets the following requirements:
(1) through the particulate of 20 mesh sieves, should be not more than 10%;
(2) coarse granule through 12 mesh sieves, should be not less than 70% (its shape: 14～32 millimeters of length, width: 2～8 millimeters, 1～3 millimeter of thickness);
(3) particle through 12 mesh sieves should be not more than 20% (its shape: 8～13 millimeters of length, 0.5～1 millimeter of width);
Assay method:
Get material 50 grams (being accurate to 0.5 gram) in the siccative storehouse and use 12 orders respectively, the screening of 20 order mesh sieve is calculated after dividing its weight of another name, length, width is used ruler, thickness with vernier caliper measurement it.
16. through preserving the siccative in the siccative storehouse after the drying, should in 8 hours, use, stop production and to tackle siccative in feed bin more than 1 day and redeterminate moisture content and should be dried to the regulation moisture content again and can use as surpassing regulation.
17. the extruded wood chipboard blanket is used glue, should meet following index after the modulation:
(1) 100 ℃ of temperature conditions following hardening times within 1 minute.
(2) 45 ℃ of temperature conditions following hardening times about 50～60 minutes.
(3) at ambient temperature, viscosity is increased to gradually and can not ends by spray feed, is no less than 2 hours.
Prescription (mass parts):
(1) urea-formaldehyde resin adhesive is 100 parts;
(2) urea (powdery) is 10～15 parts;
(3) 0.4～1 part of ammonium chloride (powdery) (the back adding is mixed well to be dissolved in water);
(4) add the hexamethylenetetramine of effective dose.
Rubber material using quantity: over dry material and hard resin mass ratio are not less than 100:6, and every cubic metre of blanket is used 70 kilograms of urea-formaldehyde resin adhesives approximately.
18. the preparation of waterproofing agent:
Waterproofing agent proportioning (mass parts):
(1) commercial wax is 100 parts
(2) water is 400 parts
(3) oleic acid is 14 parts
(4) ammoniacal liquor (25%wt) is 7 parts;
After waterproofing agent leaves standstill lamination must not be arranged, its granular size is about 2～3 orders;
The paraffin consumption: the weight ratio of over dry material and paraffin is that 100:0.75 is a standard, every cubic metre of particieboard blanket with waterproofing agent between 20～25 kilograms.
19. particle spraying waterproofing agent and glue should meet the requirement of consumption, the operating pressure of air compressor is advisable with 8kg/cm square, and the particle absolute drift after spraying is no more than 12% and is as the criterion.
20. the particle after spraying should push continuously, the temperature of extruder is not less than 170 ℃ of blankings and should keeps evenly preventing edges of boards plug material.The blanking amount should adapt with blanket thickness, and the publication speed of different-thickness slab is grasped by the regulation of table (1).
Table (1)
Should lower the extruder press speed of a motor vehicle accordingly when temperature is lower than 170 ℃, thereby reach the intensity that guarantees slab with the abundant curing of guaranteeing resin.
Though 21. through the particle of spraying behind the sizing material as failing in 1 hour, to use up or not by 1 hour and resin has solidified this batch particle and can not use.
22. two iron plate spacings of extruder must be balanced; Extrusion modling blanket, its thickness should meet Measurement Allowance ± 0.5 millimeter of standard code, and each position bulk density difference of width is no more than 0.05 gram per centimeter; Find gage distortion, the situation that degree of tightness differs must be corrected at any time.
23. the length that particieboard blanket saw cuts should be according to specifying finished product length add 30 millimeters in addition, as blanket not the veneer factory length can not add in addition.
The blanket after 24. saw cuts answer four jiaos upright, neatly flatly repeatedly stack built on stilts and be no less than 200 millimeters, every stack height is no more than 1400 millimeters, and does order of classes or grades at school mark and last date of manufacture of note, by the inspector presentation quality is pressed the ministry standard warehousing after passing again.
Claims (3)
1. cross-drilled hole extrusion hollow chipboard; Comprise rectangle particieboard body (5); It is characterized in that on said rectangle particieboard entity plate core, being provided with one group of through hole (6), the direction of said through hole is parallel with the particieboard broadside; Be provided with real core zone (7) in the middle of the plate core, the length in real core zone is 30-40mm.
2. improve the extruder assembly of heating calancria; Comprise drive link (1), eccentric shaft (2) and flywheel (3), the paired mirror image of above-mentioned drive link, eccentric shaft and flywheel is symmetrical set, and an end of drive link is connected with flywheel; The other end is connected with eccentric shaft; It is characterized in that said device also comprises heating calancria device (4), said heating calancria device by two parts independently heating calancria form, be located on the eccentric shaft respectively.
3. the extruder assembly of improvement heating calancria according to claim 2 is characterized in that the device width is 2800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204485658U CN202292952U (en) | 2011-11-14 | 2011-11-14 | Cross-hole extruded chipboard and extruding machine with improved heating pipe arrays |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204485658U CN202292952U (en) | 2011-11-14 | 2011-11-14 | Cross-hole extruded chipboard and extruding machine with improved heating pipe arrays |
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| CN202292952U true CN202292952U (en) | 2012-07-04 |
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| CN2011204485658U Expired - Fee Related CN202292952U (en) | 2011-11-14 | 2011-11-14 | Cross-hole extruded chipboard and extruding machine with improved heating pipe arrays |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431074A (en) * | 2011-11-14 | 2012-05-02 | 南京林业大学 | Extruded shaving board with transverse holes, production method and extruder device with improved heating racking pipes |
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2011
- 2011-11-14 CN CN2011204485658U patent/CN202292952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431074A (en) * | 2011-11-14 | 2012-05-02 | 南京林业大学 | Extruded shaving board with transverse holes, production method and extruder device with improved heating racking pipes |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20131114 |