CN103950139A - Energy-saving system and method for hot-press forming of bamboo-plastic composite material - Google Patents

Energy-saving system and method for hot-press forming of bamboo-plastic composite material Download PDF

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Publication number
CN103950139A
CN103950139A CN201410206182.8A CN201410206182A CN103950139A CN 103950139 A CN103950139 A CN 103950139A CN 201410206182 A CN201410206182 A CN 201410206182A CN 103950139 A CN103950139 A CN 103950139A
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China
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cooling
steel band
hot pressing
hot
under
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CN201410206182.8A
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CN103950139B (en
Inventor
李新功
郑霞
纪雨辛
符彬
潘亚鸽
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Central South University of Forestry and Technology
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Central South University of Forestry and Technology
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Abstract

The invention discloses an energy-saving system and method for the hot-press forming of a bamboo-plastic composite material. Different pieces of equipment are adopted for hot-pressing and cooling; a plate blank is quickly delivered into cooling equipment in a situation of maintaining pressure after the hot-press forming is completed; the cooling equipment cools the cooling equipment through cooling water; hot-press forming equipment keeps a hot-press forming temperature all the time, and the cooling is not required; a pressure maintaining device is arranged between a hot-pressing section and a cooling section; the rebound of the thickness of the plate blank is avoided; the hot-pressing and the cooling are performed respectively; the energy consumption loss is avoided; the machining energy consumption is reduced by 60 percent; the production cost is greatly reduced.

Description

The hot-forming energy conserving system of bamboo-plastic composite material and method
Technical field
The present invention relates to composite and manufacture field, the specifically hot-forming energy conserving system of a kind of bamboo-plastic composite material and method.
Background technology
The hot-forming process of bamboo-plastic composite material must comprise intensification, insulation, cooling three phases.Hot pressing and coolingly carry out in an equipment.In a molding cycle, heating platen temperature need to be raised to 140~200 DEG C from 30~50 DEG C, and then be cooled to 30~50 DEG C, cooling stage not only needs to consume a large amount of cold water and carries out cooling, cooling water has also been taken away a large amount of heat energy, cause the hot-forming workshop section of bamboo-plastic composite material energy consumption high, bamboo-plastic composite material production cost is high.
Summary of the invention
The object of the present invention is to provide the hot-forming energy conserving system of a kind of bamboo-plastic composite material and method, this system is by hot pressing and coolingly separately carry out, the equipment that hot pressing is different with cooling employing, after completing, slab hot pressing sends into rapidly cooling device in the situation that of pressurize, the logical cooling water of cooling device carries out cooling, and hot-press equipment remains hot pressing temperature, cooling without carrying out, avoided the loss of heat energy, power consumption of polymer processing reduces by 60%.
For achieving the above object, the invention provides following technical scheme:
A kind of hot-forming energy conserving system of bamboo-plastic composite material and method, comprise under steel band in hot pressing section, hot pressing section on steel band, cooling section steel band under steel band and cooling section, in described hot pressing section, steel band passes through the parallel installation of drive roller wheel with steel band under hot pressing section, in described hot pressing section, steel band top is provided with heating running roller, upper heating running roller top is provided with upper hot pressboard, upper hot pressboard top is fixed with plunger cylinder, and in described hot pressing section, steel band is by tensioning running roller and the fixing polygon space that forms of drive roller wheel; Under described hot pressing section, steel band below is installed with lower heating running roller, and lower heating running roller is installed with lower hot pressing board; On described cooling section, steel band and steel band under cooling section be also by the parallel installation of drive roller wheel, and on cooling section, steel band top is installed with the running roller that pressurizes on cooling section, and the running roller top of pressurizeing on cooling section is installed with cooling section top board; Under described cooling section, steel band below is installed with the running roller that pressurizes under cooling section, and the running roller below of pressurizeing under cooling section is installed with cooling section lower platen; In described hot pressing section, on steel band and cooling section, between steel band, be provided with pressurizer on changeover portion, under described hot pressing section, under steel band and cooling section, between steel band, be provided with pressurizer under the changeover portion parallel with pressurizer on changeover portion.
As the further scheme of the present invention: the inside of described cooling section top board and cooling section lower platen is equipped with cooling water circulation passage.
As the further scheme of the present invention: when press release in hot pressing section under steel band and hot pressing section between steel band between the upper and lower apart from being d, on changeover portion, under pressurizer and changeover portion, the distance between the upper and lower between pressurizer is also d, and on cooling section, under steel band and cooling section, the distance between the upper and lower between steel band is also d.
As further scheme of the present invention: the diameter of described upper heating running roller is 5~10mm, and the diameter of described lower heating running roller is 5~10mm.
The hot-forming energy conserving system of bamboo-plastic composite material is prepared a method for bamboo-plastic composite material,
First start hot pressing section, the drive roller wheel of hot pressing section drives steel band running under steel band and hot pressing section in hot pressing section, bamboo is moulded to mixing particle and mat formation into certain thickness slab and send in hot pressing section under steel band and hot pressing section between steel band, steel band out of service; Now start plunger cylinder, the descending promotion upper hot pressboard of plunger cylinder moves downward, and in upper hot pressboard promotion upper heating running roller and hot pressing section, steel band is descending, and lower hot pressing board and lower heating running roller maintain static, in the time that pressure reaches preset value, plunger cylinder stops, and enters packing stage; The upper hot pressboard of hot pressing section and lower hot pressing board adopt Steam Heating or deep fat heating, and heat passes to heating running roller again to steel band by heating platen, finally passes to slab, and hot pressing temperature reaches rapidly 140~200 DEG C of setting values, and in this temperature pressurize;
Next enters cooling section, dwell time reaches after pressing cycle, plunger cylinder starts again, press release, slab pressurized reduces, and in hot pressing section, synchronous steel belt running under steel band and cooling section on steel band, cooling section under steel band, hot pressing section, transports slab to cooling section, cooling section top board and cooling section lower platen be logical cooling water simultaneously, to carrying the slab of coming to carry out cooling and shaping from hot pressing section; Thickness bounce-back when preventing slab through hot pressing section and cooling section changeover portion, arranges on changeover portion pressurizer under pressurizer and changeover portion at hot pressing section and cooling section changeover portion;
Enter the making sheet cycle, slab is to the same stylish slab of cooling section transport to the transport of hot pressing section, and mat conveyor is during to cooling section centre position, and new slab is just in time transported to bringing-up section centre position, plunger cylinder operation, to new slab pressurization, is carried out the hot pressing in a new cycle; In the time that cooling section board briquette is down to 30~50 DEG C, the slab dwell time in hot pressing section arrives, plunger cylinder operation, and hot press release, steel band starts, and cooling slab is transported to stacking, and the slab in hot press is transported to cooling section again, completes a making sheet cycle
Compared with prior art, the invention has the beneficial effects as follows: the equipment that hot pressing is different with cooling employing, automaticity is high, simple to operate, has avoided energy loss, and power consumption of polymer processing reduces by 60%, and production cost reduces greatly.
Brief description of the drawings
Fig. 1 is the structural representation of the hot-forming energy conserving system of bamboo-plastic composite material;
In figure: steel band in 1-hot pressing section; 2-plunger cylinder; 3-upper hot pressboard; 4-lower hot pressing board; Under 5-, heat running roller; Steel band under 6-hot pressing section; Pressurizer under 7-changeover portion; Steel band on 8-cooling section; 9-drive roller wheel; 10-cooling section top board; 11-cooling section lower platen; Steel band under 12-cooling section; Pressurizer on 13-changeover portion; 14,15,16 and 17-tensioning running roller; The upper heating of 18-running roller; Running roller pressurizes on 19-cooling section; Running roller pressurizes under 20-cooling section; 21-slab.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of hot-forming energy conserving system of bamboo-plastic composite material and method, comprise steel band 1 in hot pressing section, steel band 6 under hot pressing section, steel band 12 under steel band 8 and cooling section on cooling section, in hot pressing section, steel band 1 passes through the parallel installation of drive roller wheel 9 with steel band under hot pressing section 6, in hot pressing section, steel band 1 top is provided with the upper heating running roller 18 that diameter is 5~10mm, upper heating running roller 18 tops are provided with upper hot pressboard 3, upper hot pressboard top is fixed with plunger cylinder 2, in hot pressing section, steel band 1 is by tensioning running roller 14, 15, 16, 17 and the fixing polygon space that forms of drive roller wheel 9, under hot pressing section, steel band 6 belows are installed with the lower heating running roller 5 that diameter is 5~10mm, lower heating running roller 5 is installed with lower hot pressing board 4.
On cooling section, steel band 8 and steel band under cooling section 12 be also by the parallel installation of drive roller wheel 9, and on cooling section, steel band 8 tops are installed with the running roller 19 that pressurizes on cooling section, and running roller 19 tops of pressurizeing on cooling section are installed with cooling section top board 10; Under described cooling section, steel band 12 belows are installed with the running roller 20 that pressurizes under cooling section, and running roller 20 belows of pressurizeing under cooling section are installed with cooling section lower platen 11, and the inside of cooling section top board 10 and cooling section lower platen 11 is equipped with cooling water circulation passage.
In hot pressing section, on steel band 1 and cooling section, between steel band 8, be provided with pressurizer 13 on changeover portion, under described hot pressing section, under steel band 6 and cooling section, between steel band 12, be provided with pressurizer 7 under the changeover portion parallel with pressurizer on changeover portion 13, when press release in hot pressing section under steel band 1 and hot pressing section between steel band 6 between the upper and lower apart from being d, on changeover portion, under pressurizer 13 and changeover portion, the distance between the upper and lower between pressurizer 7 is also d, and on cooling section, under steel band 8 and cooling section, the distance between the upper and lower between steel band 12 is also d.
The method that the hot-forming energy conserving system of a kind of bamboo-plastic composite material is prepared bamboo-plastic composite material is,
First start hot pressing section, the drive roller wheel 9 of hot pressing section drives in hot pressing section steel band 6 under steel band 1 and hot pressing section to turn round, and bamboo is moulded to mixing particle and mat formation into certain thickness slab 21 and send between upper steel band 1 and lower steel band 6, steel band out of service; Now start plunger cylinder 2, the descending promotion upper hot pressboard 3 of plunger cylinder 2 moves downward, in upper hot pressboard 3 promotion upper heating running rollers 18 and hot pressing section, steel band 1 is descending, and lower hot pressing board 4 and lower heating running roller 5 maintain static, in the time that pressure reaches preset value, plunger cylinder 2 stops, and enters packing stage; The upper hot pressboard 3 of hot pressing section and lower hot pressing board 4 adopt Steam Heating or deep fat heating, and heat passes to heating running roller again to steel band by heating platen, finally passes to slab 21, and hot pressing temperature reaches rapidly 140~200 DEG C of setting values, and in this temperature pressurize.
Next enters cooling section, dwell time reaches after pressing cycle, plunger cylinder 2 starts again, press release, slab 21 pressurizeds reduce, and in hot pressing section, steel band 12 run-in synchronisms under steel band 8 and cooling section on steel band 6, cooling section under steel band 1, hot pressing section, transport slab 21 to cooling section, cooling section top board 10 and cooling section lower platen 11 be logical cooling water simultaneously, to carrying the slab 21 of coming to carry out cooling and shaping from hot pressing section; Thickness bounce-back when preventing slab 21 through hot pressing sections and cooling section changeover portion, arranges on changeover portion pressurizer 7 under pressurizer 13 and changeover portion at hot pressing section and cooling section changeover portion.
Enter the making sheet cycle, slab 21 transports to hot pressing section to the same stylish slab 21 of cooling section transport, and when slab 21 is transported to cooling section centre position, new slab 21 is just in time transported to bringing-up section centre position, plunger cylinder 2 moves new slab 21 is pressurizeed, and carries out the hot pressing in a new cycle; In the time that cooling section slab 21 temperature are down to 30~50 DEG C, 21 dwell times of slab in hot pressing section arrive, plunger cylinder 2 moves, hot press release, steel band 1,6,8,12 starts, cooling slab 21 is transported to stacking, and the slab 21 in hot press is transported to cooling section again, completes a making sheet cycle.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.

Claims (5)

1. the hot-forming energy conserving system of bamboo-plastic composite material, comprise steel band in hot pressing section (1), steel band under hot pressing section (6), steel band (12) under steel band on cooling section (8) and cooling section, it is characterized in that, in described hot pressing section, steel band (1) passes through the parallel installation of drive roller wheel (9) with steel band (6) under hot pressing section, in described hot pressing section, steel band (1) top is provided with heating running roller (18), upper heating running roller (18) top is provided with upper hot pressboard (3), upper hot pressboard (3) top is fixed with plunger cylinder (2), in described hot pressing section, steel band (1) is by tensioning running roller (14), (15), (16), and the fixing polygon space that forms of drive roller wheel (9) (17), under described hot pressing section, steel band (6) below is installed with lower heating running roller (5), and lower heating running roller (5) is installed with lower hot pressing board (4), steel band on described cooling section (8) also passes through the parallel installation of drive roller wheel (9) with steel band under cooling section (12), steel band on cooling section (8) top is installed with the running roller (19) that pressurizes on cooling section, and running roller (19) top of pressurizeing on cooling section is installed with cooling section top board (10), steel band under described cooling section (12) below is installed with the running roller (20) that pressurizes under cooling section, and running roller (20) below of pressurizeing under cooling section is installed with cooling section lower platen (11), in described hot pressing section, on steel band (1) and cooling section, between steel band (8), be provided with pressurizer on changeover portion (13), under described hot pressing section, under steel band (6) and cooling section, between steel band (12), be provided with pressurizer (7) under the changeover portion parallel with pressurizer on changeover portion (13).
2. the hot-forming energy conserving system of bamboo-plastic composite material according to claim 1, is characterized in that, the inside of described cooling section top board (10) and cooling section lower platen (11) is equipped with cooling water circulation passage.
3. the hot-forming energy conserving system of bamboo-plastic composite material according to claim 1, it is characterized in that, when press release in hot pressing section under steel band (1) and hot pressing section between steel band (6) between the upper and lower apart from being d, distance between the upper and lower under pressurizer on changeover portion (13) and changeover portion between pressurizer (7) is also d, and the distance between the upper and lower under steel band on cooling section (8) and cooling section between steel band (12) is also d.
4. the hot-forming energy conserving system of bamboo-plastic composite material according to claim 1, is characterized in that, the diameter of described upper heating running roller (18) is 5~10mm, and the diameter of described lower heating running roller (5) is 5~10mm.
5. the bamboo-plastic composite material hot-forming energy conserving system of employing as described in as arbitrary in claim 1-4 prepared a method for bamboo-plastic composite material, it is characterized in that,
First start hot pressing section, steel band (6) running under steel band (1) and hot pressing section in drive roller wheel (9) the driving hot pressing section of hot pressing section, bamboo is moulded to mixing particle and mat formation into certain thickness slab (21) and send under steel band in hot pressing section (1) and hot pressing section between steel band (6), steel band out of service; Now start plunger cylinder (2), the descending promotion upper hot pressboard of plunger cylinder (2) (3) moves downward, in upper hot pressboard (3) promotion, in heating running roller (18) and hot pressing section, steel band (1) is descending, and lower hot pressing board (4) and lower heating running roller (5) maintain static, plunger cylinder in the time that pressure reaches preset value (2) stops, and enters packing stage; The upper hot pressboard (3) of hot pressing section and lower hot pressing board (4) adopt Steam Heating or deep fat heating, heat passes to heating running roller again to steel band by heating platen, finally pass to slab (21), hot pressing temperature reaches rapidly 140~200 DEG C of setting values, and in this temperature pressurize;
Next enters cooling section, dwell time reaches after pressing cycle, plunger cylinder (2) starts again, press release, slab (21) pressurized reduces, and under steel band in hot pressing section (1), hot pressing section, steel band (12) run-in synchronism under steel band (8) and cooling section on steel band (6), cooling section, transports slab (21) to cooling section, cooling section top board (10) and cooling section lower platen (11) be logical cooling water simultaneously, to carry the slab (21) of coming to carry out cooling and shaping from hot pressing section; Thickness bounce-back, arranges pressurizer (7) under pressurizer on changeover portion (13) and changeover portion in hot pressing section and cooling section changeover portion when preventing slab (21) through hot pressing section and cooling section changeover portion;
Enter the making sheet cycle, slab (21) transports to hot pressing section to the same stylish slab (21) of cooling section transport, when slab (21) is transported to cooling section centre position, new slab (21) is just in time transported to bringing-up section centre position, plunger cylinder (2) operation, to new slab (21) pressurization, is carried out the hot pressing in a new cycle; In the time that cooling section slab (21) temperature is down to 30~50 DEG C, slab (21) dwell time in hot pressing section arrives, plunger cylinder (2) operation, hot press release, steel band (1), (6), (8), (12) start, cooling slab (21) is transported to stacking, and the slab (21) in hot press is transported to cooling section again, completes a making sheet cycle.
CN201410206182.8A 2014-05-16 2014-05-16 The hot-forming energy conserving system of bamboo-plastic composite material and method Active CN103950139B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042354A (en) * 2016-08-23 2016-10-26 无锡吉兴汽车声学部件科技有限公司 Drum type spare tire cover plate pressure-retaining tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03270913A (en) * 1990-03-20 1991-12-03 Sekisui Chem Co Ltd Manufacture of fiber reinforced polyvinyl chloride resin formed body
CN103072290A (en) * 2012-11-27 2013-05-01 常州悦诚新材料有限公司 Device for producing continuous glass fiber fabric thermoplastic laminated pressure plate
CN103772803A (en) * 2012-10-24 2014-05-07 南京席瑞斯化工有限公司 Preparation method for polypropylene bamboo plastic composite

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03270913A (en) * 1990-03-20 1991-12-03 Sekisui Chem Co Ltd Manufacture of fiber reinforced polyvinyl chloride resin formed body
CN103772803A (en) * 2012-10-24 2014-05-07 南京席瑞斯化工有限公司 Preparation method for polypropylene bamboo plastic composite
CN103072290A (en) * 2012-11-27 2013-05-01 常州悦诚新材料有限公司 Device for producing continuous glass fiber fabric thermoplastic laminated pressure plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042354A (en) * 2016-08-23 2016-10-26 无锡吉兴汽车声学部件科技有限公司 Drum type spare tire cover plate pressure-retaining tool
CN106042354B (en) * 2016-08-23 2018-07-03 无锡吉兴汽车声学部件科技有限公司 Drum-type spare tire cover plate pressure keeping craft equipment

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