CN1686690A - Method of artificial board production line thermopress loading and unloading and machine set - Google Patents
Method of artificial board production line thermopress loading and unloading and machine set Download PDFInfo
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- CN1686690A CN1686690A CN 200510025367 CN200510025367A CN1686690A CN 1686690 A CN1686690 A CN 1686690A CN 200510025367 CN200510025367 CN 200510025367 CN 200510025367 A CN200510025367 A CN 200510025367A CN 1686690 A CN1686690 A CN 1686690A
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- cage
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Abstract
A method for loading, hot-pressing and unloading the artificial board blanks in its production line features that the up-down movement of suspended cage is performed by the lift preloader, and the board loader can load the boards into press. Its system is composed of lift preloader, carriage-type loader, hot press and unloader. Its advantage is high productivity.
Description
Technical field
The present invention relates to a kind of artificial board product line slab press device, particularly relate to the method for slab hot pressing loading and unloading of the hot pressing workshop section in the artificial board product line slab press device and the structure of unit.
Technical background
The prior art of middle density artificial board production line generally all adopts Ji backing plate loader structure, shown in (Fig. 2) is the structure that 15 layers, 4 * 16 Foot do not have the backing plate loader, and this loader is made up of dolly 01, frame 02, oil cylinder 03, cage 04, oil motor drive unit 05, individual layer transmission system 06.Cage moves up and down, and finishes from transporter toward every layer of cart transport slab.Slab of every conveying, cage lifting once, energy consumption is big, about 60 tons of cage weight, be difficult to accurate control by dried cage weight and the bulky cage location, position with respect to hot press in lifting process that causes, easily break down in dress plate process, damage equipment causes stopping production.
Summary of the invention
The market capacity of medium-density plate wood-based plate is very big, manufacturer is for enlarging output, increasing the specification kind, imagination enlarges single line output with multi-daylight press, and technical scheme of the present invention is exactly to reach purpose of the present invention by the number of plies that increases hot pressing loading and unloading unit and increase breadth.According to the structural shape 4*16 Foot of traditional loader group, 15 layers have been arrived the limit, have only the structural shape of breaking through traditional loader, enlarge single line output and just become possibility.Original machine action is divided into two: cage moves up and down and is finished by pre-installation; And loader only is responsible for toward press loading and unloading slab.Adopt this structure not only to solve a structure difficult problem, and loader need not move up and down, become a fixing bin, the position accurate positioning of relatively hot press is reliable.Technical scheme of the present invention is by following technical measures specific implementation: the method that a kind of artificial board production line thermopress loading and unloading units (Fig. 1) are adopted is: it has adopted lift has been given installation 1, dolly loader 2, hot press 3 and unloader 4 combinations.Wherein: lift gives installation to be made up of two layers of dress plate transporter, after two layers of transporter are filled slab, moves upward to the relevant position by the motor reducer that is loaded on a top of the trellis by four chains.Two layers of transporter start the two laminate bases of packing into simultaneously in loader, packing into of two blocks of slabs finished in a lifting; Fixedly the trolley type loader is mainly by the trolley type transporter, drive unit, and trapped orbit and each support are formed.After filling slab on every layer of trolley type transporter, drive unit is disposable to be pushed the trolley type transporter in the hot press, also together it is withdrawed from by drive unit when the trolley type transporter retreats.When withdrawing from, the main drive roller on the transporter is equipped with ratchet mechanism and one of live-roller gear is housed, and the rack drives gear reverses live-roller synchronously, slab is stayed in the hot press suppressed; Enter hot press simultaneously at loader, the slab that the push pedal device of trolley type belt conveyer front end will suppress pushes unloader.
According to the unit that the method for above-mentioned artificial board production line thermopress loading and unloading is formed, it is characterized in that described unit comprises that lift gives installation 1, dolly loader 2, hot press 3 and unloader and forms, wherein:
A, lift gives installation 1 (Fig. 3): the drive unit 101 that is loaded on whole frame top is connected four sprocket wheels connections and drives chain by axle by decelerator finishes two layers of dolly, 105 transporter lifting actions, four columns 103 that are welded by H shaped steel connect whole drive unit 101 and put 102 on the shelf in order to supports in parallel, on four root posts, be welded with guide plate, in order to lift cart transporter 105 guiding and positioning actions, at the drive unit chain other end counterweight 104 is housed, connect a lifting with two dolly transporters, be fixed and be installed in the support 106, in the support side directive wheel is housed and is used to prevent the gas circuit deviation correcting device 107 of dolly transporter 105 belt deviations, the control stroke is housed in the middle of two root posts, the travel switch frame 108 of position;
B, dolly loader 2 (Fig. 4): will give installation 1 slab of packing dolly loader 2 into by lift and pack in the hot press 3, the slab that to suppress pushes unloader 4 simultaneously, dolly loader 2 is by putting 201 on the shelf, 12 root posts 202, the trolley track 203 and the dolly transporter 204 that are fixed on column two limits are formed, dolly transporter 204 is in order to the shipment slab and release the slab that has been pressed into, this dolly transporter 204 is self-powered, when lift gives the plate blank conveyer of installation on 1 when starting, dolly transporter 204 starts synchronously, a gear 205 that the band ratchet mechanism is housed at the main drive roller of dolly transporter, whole dolly transporter is under drive unit drives, in hot press 3, send slab and production board is released hot press, when retreating, gear 205 on the drive roll is under ratchet effect, the counter-rotating of drive drive roll, slab is stayed in the press, finish and once load and unload the slab process, drive unit is used as power by oil motor, by the reduction box driven gear, the tooth bar of gear driven dolly transporter 204 2 sides and realize that the forward (FWD) of dolly transporter 204 moves out;
C, hot press 3 (Fig. 5): the blank flat that will be sent into by dolly loader 2 is through pressurization, heat and form slab, the frame 301 of hot press 3 is born all gross pressures of press, multilayer fixed cross beam 302 and heating platen 303 are installed in the frame 301, main conduction heat and the pressure of rising, position control 304 is also put in frame 301, be used for controlling the press total kilometres, and the thickness of every layer of blank flat of control, the gross pressure that moved cross beam 305 transmits from oil cylinder, bottom girder 306 and oil cylinder 307, whole press rack 301, fixed cross beam 302, heating platen 303, position control 304, moved cross beam 305, bottom girder 306 and oil cylinder 307 all are installed on the base, base is a reference for installation, in-line 308 connect oil cylinders 307 and in the future the hydraulic oil distribution of self-hydraulic system to every oil cylinder 307, the oil heating pipe line will import every heating platen 303 from the deep fat of heating system, and simultaneous opening and closing device guarantees in the press uphill process, every laminate base is pressurized simultaneously, be heated, and keep the stressed unanimity of every laminate base.
D, unloader 4 (Fig. 6): unloader and hot press are fused by link 401, guarantee that unloader has enough rigidity and stability, four root posts, 402 main support cages 403, the weight of oil cylinder 408 and do cage on, the effect of following guiding, cage 403, oil cylinder 408 and travel switch 404 are installed in the middle of four root posts 402, travel switch 404 is used for controlling the position of cage, ejecting plate transporter 405 is installed in the right side, slab in the cage 403 is sent unloader 4, longitudinally guiding wheel 406 both sides, column 402 outside that are installed under the cage 403, make cage last, play stabilization in the following process, the synchromesh gear of balanced controls 407, tooth bar is installed on directive wheel 406 times and 402 liang of lateral surfaces of column, assurance avoids cage 403 because of reasons such as unbalance loading cause the inhomogeneous rising in cage 403 left and right sides, make cage 403 can be parallel about; The piston rod of oil cylinder 408 is connected in cage 403, under the driving of oil pressure, makes cage upper and lower; Baffle plate frame 409 is installed in the middle of hot press 3 and the unloader 4, is used for avoiding skidding off in press decline process slab accident.
Good effect of the present invention is to provide reliable example for designing bigger single line output equipment later on.The structure of this artificial board production line thermopress loading and unloading unit has solved large format, big output wood-based plate (particularly medium density fibre board (MDF)) dockboard difficult problem.Adopt structural shape of the present invention, can make plant width direction breadth can accomplish 6 Foot even 8 Foot, the hot pressing dockboard unit number of plies also can further improve, and single line production capacity can reach to be produced per year more than 15 ten thousand steres.
Description of drawings
The structural representation of Fig. 1, the artificial board assembly line hot pressing loading and unloading of the present invention unit;
The loader structure diagram of Fig. 2, prior art;
The artificial board assembly line hot pressing loading and unloading of Fig. 3, the present invention unit give the installation structural representation;
The dolly loader structural representation of Fig. 4, the artificial board assembly line hot pressing loading and unloading of the present invention unit;
The hot press structural representation of Fig. 5, the artificial board assembly line hot pressing loading and unloading of the present invention unit;
The unloader structural representation of Fig. 6, the artificial board assembly line hot pressing loading and unloading of the present invention unit.
The parts that legend mark in the accompanying drawing is expressed as follows respectively
The 1----lift gives installation 2----dolly loader 3----hot press 4----unloader
01----trolley type transporter 02----column 03----oil cylinder 04----cage
05----driven wheel 06----individual layer drive unit 101----drive unit 102----puts on the shelf
103----column 104----counterweight 105----dolly transporter 106----support
The 107----gas circuit deviation correcting device 108----travel switch frame 201----202----column of putting on the shelf
203----trolley track 204----trolley type transporter 205----gear 301----frame 302----fixed cross beam
303----heating platen 304----position control 305----moved cross beam 306----bottom girder 307----oil cylinder
308----in-line 401----link 402----column 403----cage 404----travel switch frame
405----ejecting plate transporter 406----directive wheel 407----balanced controls 408----oil cylinder 409----baffle plate
Frame
The specific embodiment
A kind of specific embodiment of the present invention is to be applied in the artificial board production line thermopress loading and unloading unit of producing 6*18 English Foot, annual production 10 ten thousand stere medium density fibre board (MDF)s.
The artificial board production line thermopress loading and unloading unit that assembles according to the structure of accompanying drawing 1,3,4,5 and 6, it is characterized in that: in giving installation (Fig. 3), the drive unit 101 main axles of being made by four 45# steels of shaft coupling connection by the motor reducer of speed ratio 61.02, power 22kw that are loaded on whole frame top drive the sprocket wheel of four pitches 31.75.Chain is finished two layers of dolly transporter 105 lifting action, and rising or falling speed reaches 23.8 meters per minutes, and dolly transporter speed reaches 60 meters per minutes, all frequency conversion is adjustable, satisfy and produce book plate cycle needs, four root posts 103 are welded by H shaped steel, in order to support whole drive unit 101 and to put 102 on the shelf.On four root posts, weld, be processed with guide plate, in order to the guiding and the positioning action of lift cart transporter 105.At the drive unit chain other end counterweight 104 is housed.Being equal in weight of the counterweight weight that HT200 cast iron is made and two dolly transporters and fixed support 106, because of two dolly transporter one liftings, be fixed in the support 106, in the support side directive wheel be housed and be used to prevent the gas circuit deviation correcting device 107 of dolly transporter 105 belt deviations.This device has the QGB-1-E80-100 cylinder, and pneumatic elements such as the travel switch of model 3SE3120-1UA are formed, and the travel switch frame 108 of control stroke, position is housed in the middle of two root posts.
201, the 12 H shaped steel columns 202 of putting on the shelf that trolley type loader (Fig. 4) mainly is welded by shaped steel, be fixed on column two limits and form by trolley track 203, the trolley type transporter 204 of the processing of 160*160*12 angle steel.The trolley type transporter is by motor reducer (power 3kw, rotating speed 92r/min, model KF67DM100L4) diameter 200mm rubber driven roller, the tooth bar of modulus 8, framework, diameter is the driven voller of 30mm, width 2000mm belt, the gear of ratchet mechanism compositions such as (modulus 8, the numbers of teeth 20), in order to load and transport slab and to release the slab that has been pressed into, travelling speed reaches 60 meters per minutes, and frequency conversion is adjustable, when giving the startup of installation (Fig. 3) transporter, the dolly transporter starts maintenance speed unanimity synchronously under electrical equipment control.A gear 205 that the band ratchet mechanism is housed at the main drive roller of dolly transporter, whole dolly transporter is under drive unit drives, in hot press, send plate and production board is released hot press, when retreating, gear 205 on the drive roll is under ratchet effect, the counter-rotating of drive drive roll, slab is stayed in the press, finish and once load and unload the slab process, drive unit is used as power by oil motor, by the reduction box driven gear, the tooth bar of gear driven dolly transporter two sides and realize the dress plate of dolly transporter unloads plate.
The blank flat that hot press (Fig. 5) will be sent into by no backing plate loader (Fig. 4) through pressurization, heating forms slab.Hot press mainly contains frame 301, this frame 301 is born all gross pressures of press, four piece together frame altogether, every assembly frame is welded into by gusset by two high-quality steel (thickness 70mm), fixed cross beam 302, heating platen (thickness 130mm) 303, main conduction heat and the pressure of rising, fixed cross beam is a weldment, heating platen is that steel plate boring (diameter 28mm) forms return passage, position control 304, be used for controlling the press total kilometres, and the thickness of every layer of blank flat of control, its principle is the rack drives gear is controlled moved cross beam 305 again by the rotary encoder counting a stroke, the gross pressure that moved cross beam 305 transmits from oil cylinder, bottom girder 306 usefulness steel plates welding annealing destressing forms the diameter 480mm of eight oil cylinders 307, oil pressure 26Mpa, produce four kiloton pressure.The frame 301 of whole press, fixed cross beam 302, heating platen 303, position control 304, moved cross beam 305, oil cylinder 307 all are installed on the base, and base is a reference for installation.In-line 308 hydraulic oil distribution of self-hydraulic system in the future arrives every oil cylinder 307, the metal hose that the oil heating pipe line will pass through diameter 28mm from the deep fat of heating system imports every heating platen 303, and simultaneous opening and closing device guarantees in the press uphill process, every laminate base simultaneously pressurized, be heated, and keep the stressed unanimity of every laminate base.
Unloader (Fig. 6) is fused unloader and hot press by link 401, guarantees that unloader has the weight of enough rigidity and stability, column 402 main support cages 403, piston oil-cylinder 408 (diameter 140/90mm, stroke 4500mm) and does the effect of the upper and lower guiding of cage.The position, ejecting plate transporter (power 2.2kw, 50 meters speed of per minute) 405 that the travel switch 404 of model 3SE3120-1UA is used for controlling cage sent synchromesh gear, the tooth bars (modulus 6) that unloader, longitudinally guiding wheel 406 make cage play stabilization, balanced controls 407 in upper and lower process with the slab in the cage and guaranteed to avoid cage because of reasons such as unbalance loading cause the inhomogeneous rising in the cage left and right sides, make cage can be parallel about; The piston rod of oil cylinder 408 is connected in cage, under the driving of oil pressure, makes cage upper and lower; The baffle plate frame 409 that shaped steel is welded is mainly used in avoids that the slab accident skids off in press decline process.Be installed between hot press and the unloader.
Claims (2)
1, a kind of method of artificial board production line thermopress loading and unloading is characterized in that: lift is given installation [1], fixed dolly loader [2], hot press [3] and unloader [4] combination.Wherein: lift gives installation [1] and is made up of two layers of dress plate transporter, after two layers of transporter are filled slab, move upward to the relevant position by the motor reducer that is loaded on a top of the trellis by four chains, two layers of transporter start the two laminate bases of packing into simultaneously in loader, packing into of two blocks of slabs finished in a lifting; Fixed dolly loader [2] is by the dolly transporter, drive unit, trapped orbit and each support are formed, and after filling slab on every layer of dolly transporter, drive unit is disposable to be pushed the dolly transporter in the hot press, when retreating, also together it is withdrawed from by the dolly transporter by drive unit, when withdrawing from, the main drive roller on the transporter is equipped with ratchet mechanism and gear is housed, the rack drives gear one of live-roller, live-roller is reversed synchronously, slab is stayed in the hot press suppressed; When dolly loader [2] entered hot press [3], the slab that the push pedal device of dolly belt conveyer front end will suppress pushed unloader [4].
2, the unit of forming according to the method for the described artificial board production line thermopress loading and unloading of claim 1 is characterized in that described unit comprises that lift gives installation [1], dolly loader [2], hot press [3] and unloader [4] and forms, wherein:
A, lift gives installation [1]: the drive unit [101] that is loaded on whole frame top connects four sprocket wheels drive two layers of dolly transporters of chain [105] by decelerator by axle and finishes liftable connection, four columns that are welded by H shaped steel [103] and whole drive unit [101] and put on the shelf [102] are done to support and are connected, on four root posts, be welded with the guide plate of lift cart transporter [105], at the drive unit chain other end counterweight [104] is housed, be fixed in the support [106], in support [106] side directive wheel is housed and is used to prevent the gas circuit deviation correcting device [107] of dolly transporter [105] belt deviation, travel switch frame [108] is housed in the middle of two root posts;
B, dolly loader [2]: form by put on the shelf [201], 12 root posts [202], the trolley track [203] that is fixed on column two limits, dolly transporter [204], at a gear [205] that the band ratchet mechanism is housed of the main drive roller of dolly transporter;
C, hot press [3]: bear the structural member that the frame [301] of all gross pressures of press is welded into by steel plate, multilayer fixed cross beam [302] and heating platen [303] are installed in the frame [301], position control [304] connects with press by hydraulic pressure and electric control gear and controls the press total kilometres and control the thickness of every layer of blank flat, whole press rack [301], fixed cross beam [302], heating platen [303], position control [304], moved cross beam [305], bottom girder [306] and oil cylinder [307] all are installed on the base of reference for installation, and in-line [308] joins with oil cylinder [307];
D, unloader [4]: link [401] fuses unloader [4] and hot press [3], on, cage that slides [403] and oil cylinder [408] are installed in the centre of four root posts [402] down, the travel switch [404] that travel switch [404] is used for controlling the position of cage is installed on cage [403] limit, the ejecting plate transporter [405] of slab in the cage being sent unloader is installed in the right side, longitudinally guiding wheel [406] be installed in cage [Di 403] Bu And near column [402], the synchromesh gear of balanced controls [407], tooth bar is installed under the directive wheel [406] and two lateral surfaces of column [402]; The piston rod of oil cylinder [408] is connected in cage; Baffle plate frame [409] places between hot press [3] and the unloader [4].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510025367XA CN100398285C (en) | 2005-04-25 | 2005-04-25 | Method of artificial board production line thermopress loading and unloading and machine set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510025367XA CN100398285C (en) | 2005-04-25 | 2005-04-25 | Method of artificial board production line thermopress loading and unloading and machine set |
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| CN1686690A true CN1686690A (en) | 2005-10-26 |
| CN100398285C CN100398285C (en) | 2008-07-02 |
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| CNB200510025367XA Expired - Fee Related CN100398285C (en) | 2005-04-25 | 2005-04-25 | Method of artificial board production line thermopress loading and unloading and machine set |
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| CN100374266C (en) * | 2006-03-30 | 2008-03-12 | 苏州苏福马机械有限公司 | Method of reducing hydraulic system power of multi layer hot press and practical appts |
| CN101323126B (en) * | 2007-06-11 | 2010-09-29 | 浙江贝亚克木业有限公司 | Plate-accessing device in working procedure for pressing and sticking wood composite flooring |
| CN102211338A (en) * | 2010-04-09 | 2011-10-12 | 赵星 | Method for pressing bamboo curtain plywood by using plate blank assembly |
| CN101288970B (en) * | 2008-05-20 | 2011-11-16 | 马友成 | Special device for manufacturing inorganic non-inflammable fire-resisting door |
| CN102490242A (en) * | 2011-12-28 | 2012-06-13 | 云南民汇投资开发有限公司 | Cushion-plate-free loader for bamboo flakeboard |
| CN103025493A (en) * | 2010-07-02 | 2013-04-03 | Imal有限责任公司 | Apparatus for heating mats based on incoherent wood material |
| CN103252811A (en) * | 2012-12-17 | 2013-08-21 | 宜兴市一洲木业有限公司 | Hot-pressing production system for plywood for container bottom plates |
| CN106671219A (en) * | 2017-01-16 | 2017-05-17 | 青岛豪润达木业有限公司 | Hot press automatic production line |
| CN107030810A (en) * | 2017-01-16 | 2017-08-11 | 青岛豪润达木业有限公司 | A kind of hot press goes up board device and automatic assembly line automatically |
| CN107053371A (en) * | 2017-06-16 | 2017-08-18 | 漳州鑫华成机械制造有限公司 | A kind of low-carbon type glued board process line |
| CN107650235A (en) * | 2017-04-28 | 2018-02-02 | 扬州快乐机械有限公司 | A kind of oriented wood chipboard hot pressing unit |
| CN107718229A (en) * | 2017-11-21 | 2018-02-23 | 河南鑫饰板业有限公司 | A kind of shovel board head on installation trolley |
| CN112092135A (en) * | 2020-09-14 | 2020-12-18 | 广州飞柯科技有限公司 | Wood fiberboard pressing device and production method thereof |
| CN113492446A (en) * | 2020-04-03 | 2021-10-12 | 临沂金座木业机械制造有限公司 | Movable automatic plate unloading machine for multilayer hot press |
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| SE386402B (en) * | 1974-10-23 | 1976-08-09 | Defibrator Ab | METHODS AND DEVICES IN THE MANUFACTURE OF CELLULOSA RESP PLATES OR PLATES. FIBER OR CLAMP MATERIAL |
| SE467866B (en) * | 1985-06-13 | 1992-09-28 | Abia Matic Ab | MULTIPLE PRESSURE DEVICE |
| CN2352317Y (en) * | 1998-11-18 | 1999-12-08 | 福建省大田县金门油压机制造有限公司 | Non-packing sheet type loading-unloading machine for artificial board hot-press |
| CN2509136Y (en) * | 2001-10-16 | 2002-09-04 | 上海人造板机器厂 | Super-thick layer copper-foil sheet coated dockboard |
| CN2622130Y (en) * | 2003-06-19 | 2004-06-30 | 上海人造板机器厂有限公司 | Lifting type conveyance machine for material feeding or discharging |
| CN2834846Y (en) * | 2005-04-25 | 2006-11-08 | 上海人造板机器厂有限公司 | A hot pressing unloading set of panel production line |
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| CN100374266C (en) * | 2006-03-30 | 2008-03-12 | 苏州苏福马机械有限公司 | Method of reducing hydraulic system power of multi layer hot press and practical appts |
| CN101323126B (en) * | 2007-06-11 | 2010-09-29 | 浙江贝亚克木业有限公司 | Plate-accessing device in working procedure for pressing and sticking wood composite flooring |
| CN101288970B (en) * | 2008-05-20 | 2011-11-16 | 马友成 | Special device for manufacturing inorganic non-inflammable fire-resisting door |
| CN102211338A (en) * | 2010-04-09 | 2011-10-12 | 赵星 | Method for pressing bamboo curtain plywood by using plate blank assembly |
| CN103025493B (en) * | 2010-07-02 | 2015-11-25 | Imal有限责任公司 | Heat the equipment based on the liner of non-cementing wood materials |
| CN103025493A (en) * | 2010-07-02 | 2013-04-03 | Imal有限责任公司 | Apparatus for heating mats based on incoherent wood material |
| CN102490242A (en) * | 2011-12-28 | 2012-06-13 | 云南民汇投资开发有限公司 | Cushion-plate-free loader for bamboo flakeboard |
| CN102490242B (en) * | 2011-12-28 | 2013-12-25 | 云南民汇投资开发有限公司 | Cushion-plate-free loader for bamboo flakeboard |
| CN103252811A (en) * | 2012-12-17 | 2013-08-21 | 宜兴市一洲木业有限公司 | Hot-pressing production system for plywood for container bottom plates |
| CN106671219A (en) * | 2017-01-16 | 2017-05-17 | 青岛豪润达木业有限公司 | Hot press automatic production line |
| CN107030810A (en) * | 2017-01-16 | 2017-08-11 | 青岛豪润达木业有限公司 | A kind of hot press goes up board device and automatic assembly line automatically |
| CN107650235A (en) * | 2017-04-28 | 2018-02-02 | 扬州快乐机械有限公司 | A kind of oriented wood chipboard hot pressing unit |
| CN107053371A (en) * | 2017-06-16 | 2017-08-18 | 漳州鑫华成机械制造有限公司 | A kind of low-carbon type glued board process line |
| CN107718229A (en) * | 2017-11-21 | 2018-02-23 | 河南鑫饰板业有限公司 | A kind of shovel board head on installation trolley |
| CN113492446A (en) * | 2020-04-03 | 2021-10-12 | 临沂金座木业机械制造有限公司 | Movable automatic plate unloading machine for multilayer hot press |
| CN112092135A (en) * | 2020-09-14 | 2020-12-18 | 广州飞柯科技有限公司 | Wood fiberboard pressing device and production method thereof |
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| CN100398285C (en) | 2008-07-02 |
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