CN102699970B - Modified production method for poplar pencil board - Google Patents
Modified production method for poplar pencil board Download PDFInfo
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Abstract
The invention relates to a modified production method and a modified production device for a poplar pencil board. The pencil board modifying treatment is carried out through processes such as selecting material, cutting boards, softening, hot-pressing charring, waxing and the like so as to effectively solve the problems that in the existing method, the poplar pencil board is difficult to dry so as to be liable to have buckling deformation, fibers are crude and long so that pencil holder is rough and has fluffiness phenomena, and the like. According to the method provided by the invention, a rack, a commodity shelf, a through groove, an automatic pusher, an automatic hot-pressing mechanism, a controller and the like are reasonably arranged to realize the actions of automated feeding, automated hot-pressing charring, automated discharging and the like, so as to solve the problems that in the existing pencil board charring equipment, the pollution level is high, the consumption is high, the rate of finished products is low, the mass production in manual operation is difficult to realize, and the like. When the modified production method is adopted for production and processing, the control is simple and convenient, the cost of the whole modified production device has low cost, and the cost of enterprises can be saved. The invention has the advantages of good hot-pressing charring processing effect, high automation degree and long service life, and is worth popularizing.
Description
Technical field
The present invention relates to pencil production and processing field, be specifically related to a kind of modified producing method and equipment thereof of poplar pencil board.
Background technology
Along with the needs of fast development and the outlet of China's cultural undertakings, pencil demand constantly increases, and Chinese pencil industry height is prosperous, and pencil board is consumed excessively with material.According to forest department's statistics, China at least will consume 300,000 cubes of left and right timber every year for pencil board production and processing.For a long time, it is the pencil cedar of main and small part import that China's pencil board mainly adopts domestic linden with material, and wherein domestic linden is mostly to originate from northeastward.As everyone knows, linden growth cycle is longer, generally need just can fell for 50 years, and pencil board is produced required timber demand amount also in continuous growth, cause linden resource fewer and feweri, cause wood pencil materials more and more nervous, short, impel the cost of raw material constantly to increase, make lumber quality be difficult to catch up with, cause very large pressure to pencil manufacturing enterprise, seriously jeopardize the development of pencil industry.
Poplar produces common the used linden of pencil in material and has in nature a lot of similarities with us, and poplar and linden belong to broad-leaved assortment, and material is soft, fine and smooth, is convenient to production and processing.Poplar has unique inherent advantage, and it is the long seeds of speed, and growth is not subject to regional limits, general only need just can be felled utilization in 10 years, and its footpath level is large, and volume recovery is high, every cubic metre of common linden volume recovery is produced pencil board 200～210 sieve, and every cubic metre of poplar can be produced 230～240 sieve.Although poplar has many good qualities, it compares or exists a lot of difference with linden.Poplar shrinkage factor is large, and generally 8%～12%, and linden shrinkage factor is 6%～8%, therefore compares the easy buckling deformation of poplar with linden, and fiber is thick, long, easily causes penholder not only and fluffiness.Poplar is difficult for being dried in addition, if benchmark is really up to the mark, there will be collapse phenomenon, and benchmark is crossed soft plank and is difficult for dry.
Current domestic linden pencil board modification is mainly to adopt high temperature baking sheet, during high temperature baking sheet, take wood shavings, timber and coal-fired etc. be fuel, with open firing baking sheet cylinder, timber is carried out to modification.The baking sheet time of this burning baking sheet mode and temperature rely on operating personnel's experience completely and carry out manual operation, easily cause pencil board warpage, paste angle and part to burn charing, quality is unreliable, is difficult to mass production constantly, misoperation also can cause pencil board burning, initiation fire.This baking sheet mode is when operation, and labor strength is large, and working condition is poor, and smoke pollution is serious, and harmful health, does not meet sustainable development demand.Also has in addition a kind of linden pencil board baking sheet modification mode, itself and the former main distinction are thermal source difference, this baking sheet modification mode mainly adopts heat-conducting oil heating mode to carry out baking sheet modification, although extenuate to a certain extent workman's operating environment problem, but the input cost of conduction oil equipment complete machine is higher, medium-sized and small enterprises are difficult to bear great number cost, are unsuitable for Industry Promotion; And conduction oil need to consume more fuel equally in heating process, in conduction oil course of conveying, again by loss part heat, easily cause energy waste.
At present, not yet there is on the market poplar to be applied to the relevant of pencil slat material and report for work, do not occur the equipment for the processing of poplar pencil slat material.According to the pluses and minuses of above-mentioned poplar and existing pencil board baking sheet modified device and method, be badly in need of out a kind of low cost, high efficiency, energy-conserving and environment-protective, safe and reliable and be applicable to production method and the process equipment of the sheet material modification that the timber quality hardness such as poplar are lower.
Summary of the invention
The present invention will solve the shortcoming of above-mentioned prior art, and a kind of low cost, high efficiency, energy-conserving and environment-protective, safe and reliable and be applicable to production method and the process equipment of the sheet material modification that the timber quality hardness such as poplar are lower are provided.
The present invention solves the technical scheme that its technical problem adopts: the modified producing method of this poplar pencil board, in turn include the following steps,
(a) selection: choose 8 years～the domestic poplar of 15 years age of trees;
(b) cutting plate: during cutting plate, sheet material is thickeied to 115% of existing standard plate thickness;
(c) softening: pencil board is added to vulcanizing tank, in tank temperature be controlled at 175 ℃～185 ℃, pressure and be controlled at 1MPa～1.2MPa, softening processing time and be controlled at 5 hours～6 hours;
(d) hot pressing charing is processed: the pencil board after softening is stacked neatly, automatic pushing mechanism by reforming apparatus pushes to automatic hot apparatus mechanism below automatically by pencil board, automatic pushing mechanism resets, automatic hot apparatus mechanism implements the hot pressing charing processing of 260 ℃ to pencil board, after hot-pressing processing, automatic hot apparatus mechanism resets, and automatic pushing mechanism carries out feeding again; Described hot pressing charing is processed and is comprised hot-pressing processing 4 times, and hot pressing time is followed successively by: 15 seconds, 20 seconds, 30 seconds, 120 seconds;
(e) wax: after completing the 4th hot-pressing processing, in 60 seconds, spray emulsified wax, rewinding.
When high-temperature heating, lignin has larger stability compared with cellulose.Lignin and cellulose are easy to oxidation, and high temperature first can accelerated oxidation, and second can generate acid.Poplar plate 260 ℃ of temperature when hot pressing, hemicellulose decomposes, and lignin and cellulose are oxidized, and the hydroxyl of polysaccharide changes into ether, and changes into acids.Therefore the swelling capacity of timber declines, and hydrophobicity improves, timber become brown with become fragility.And, during hot pressing, produce a large amount of high-temperature vapors and can make timber generation oxidation Decomposition, reduce the quantity of hydroxyl, thereby poplar plate hygroscopicity is reduced.
Poplar is after high temperature hot pressing, and 3 kinds of physicochemical change occur in inside: 1, timber interior tissue, owing to losing moisture, may form ether, and moisture is separated out from two adjacent hydroxyls; 2, the oxidation of cellulose and lignin; 3, the organic charing of part.These reactions can reduce the Strong degree of timber, and the reduction of Strong degree is, the raising of fragility improves pencil board peeling performance desired just.Poplar plate can increase Strong 20% through density after high temperature hot pressing charing after tested, and glossiness can increase by 30%, and has reached the effect of linden.
A kind of poplar pencil board reforming apparatus for said method, comprise frame, frame is provided with rack, side plate bottom symmetrical before and after rack all has groove, rack rear side is provided with automatic pushing mechanism, and front side is provided with automatic hot apparatus mechanism, and automatic pushing mechanism is provided with the mobile scraping wings coordinating with groove sliding plug, in frame, be also provided with controller, automatic pushing mechanism, automatic hot apparatus mechanism connect control by controller respectively;
Automatic pushing mechanism comprises the pushing piston cylinder being fixed in frame, mobile scraping wings is fixed on the piston rod of pushing piston cylinder, in frame, establish in addition slide rail, on mobile scraping wings, be fixed with slide, this slide slides and is arranged on slide rail, the frame of slide rail front end is provided with the travel switch being connected with controller, and slide touches and coordinates with travel switch;
Automatic hot apparatus mechanism comprises upper hot pressboard, lower hot pressing board, and frame top is fixed with pressing plate piston cylinder, and upper hot pressboard is fixed under the piston rod of pressing plate piston cylinder, and lower hot pressing board is fixed in frame and with the groove of rack front side and is connected cooperation; Upper hot pressboard, lower hot pressing board are electric boiling plate, and lower hot pressing board is provided with the temperature sensor being communicated with controller; The piston-rod lower end of pressing plate piston cylinder is fixed with pressing plate seat, and upper hot pressboard is fixed on this pressing plate seat below, between upper hot pressboard and pressing plate seat, is provided with heat-insulating layer; Between lower hot pressing board and frame, be provided with heat-insulating layer; Between upper hot pressboard and lower hot pressing board, be provided with pattern.
Like this, during use, the piston rod of pushing piston cylinder promotes mobile scraping wings and moves forward, mobile scraping wings inserts groove, promoting pencil board makes pencil board release until lower hot pressing board top from the groove of side plate bottom, rack front side, at this moment, being fixed on slide on mobile scraping wings moves to and pushes up and touch the travel switch in frame, make controller transmit reset signal to automatic pushing mechanism, return automatic hot apparatus mechanism simultaneously and transmit pressing signal, the piston rod of automatic hot apparatus mechanism center platen piston cylinder promotes pressing plate seat presses down upper hot pressboard, pencil board on lower hot pressing board is implemented to hot pressing charing to be processed.When the hot pressing charing time reaches default hot pressing time, controller transmits reset signal to automatic hot apparatus mechanism, and automatic pushing mechanism transmits feed signal simultaneously, pushes for the second time pencil board.Owing to being provided with pattern between upper hot pressboard, lower hot pressing board, while making upper hot pressboard press to the end, upper hot pressboard remains consistent with lower hot pressing board spacing, and standard is unified more to make pencil board specification.During heating, in propelling movement process for the second time, after pencil board the pencil board of processing at front hot pressing charing is ejected and is collected, deliver to next process.During use, four poplar pencil board reforming apparatus are serially connected on same flow waterline, and in the end an equipment discharge end arranges emulsified wax flusher, obviously improve and produce pencil board efficiency and quality.
Further, in the frame of upper hot pressboard top, be fixed with one group of pin, this group pin and pressing plate seat stop and are equipped with.Like this, pin produces inertia strength in the time of can stopping when automatic hot apparatus mechanism resets upper hot pressboard or the resilience of pressing plate seat equipment is caused to damage, can improve the service life of equipment, the stroke while also shortening the reset of automatic hot apparatus mechanism, improves the working (machining) efficiency that hot pressing charing is processed simultaneously.
In the frame of upper hot pressboard top, be at least fixed with two pressing plate piston cylinders.Like this, when can improving upper hot pressboard and press down, the effect by a plurality of pressing plate piston cylinders to the even application of force of pencil board, improves the qualification rate of pencil board charing.
Controller comprises interconnective temperature controller, piston cylinder controller, controls mainboard, power switch, is connected with temperature indicator on temperature controller, is connected with speed display on piston cylinder controller.Like this, be convenient to visualized operation and control temperature and the complete machine operating rate that hot pressing charing is processed, can make multimachine assignment, convenient and swift.
The effect that the present invention is useful is: the present invention by selection, cutting plate, softening, hot pressing charing is processed and wax etc., and operation is carried out pencil board modification, effectively solving existing method produces and is difficult for dry, easily buckling deformation for poplar pencil board, and fiber is thick, long, easily cause penholder not only with the problems such as fluffiness.The present invention arranges by the reasonable coordination of the assemblies such as frame, rack, groove, automatic pushing mechanism, automatic hot apparatus mechanism and controller; realize the actions such as automation charging, the processing of automation hot pressing charing, automation discharging, effectively solve that high pollution, the height that current pencil board charing treatment facility exists expends, low yield rate and manual operations be difficult to the problems such as large-scale production.During production and processing, people only need direct control operation controller to carry out, simple and convenient, and complete machine cost is far below existing equipment cost, can greatly save entreprise cost.Cost of the present invention is low, and hot pressing charing treatment effect is good, and automaticity is high, and long service life is worthy to be popularized.
Fig. 1 is perspective view of the present invention;
Structural representation when Fig. 2 is broken section of the present invention;
Fig. 3 is the structural representation of the present invention while overlooking;
Fig. 4 is the structural representation of controller of the present invention;
Fig. 5 is the structural representation of A after partly amplifying in Fig. 2.
Description of reference numerals: frame 1, rack 2, side plate 3, groove 4, automatic pushing mechanism 5, automatic hot apparatus mechanism 6, mobile scraping wings 7, controller 8, pushing piston cylinder 9, upper hot pressboard 10, lower hot pressing board 11, pressing plate piston cylinder 12, slide rail 13, slide 14, travel switch 15, temperature sensor 16, pressing plate seat 17, heat-insulating layer 18, pin 19, temperature controller 20, piston cylinder controller 21, controls mainboard 22, power switch 23, temperature indicator 24, speed display 25, pattern 26, pencil board 27.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
With reference to accompanying drawing: the modified producing method of this poplar pencil board in the present embodiment, in turn include the following steps,
(a) selection: choose 8 years～the domestic poplar of 15 years age of trees;
(b) cutting plate: during cutting plate, sheet material is thickeied to 115% of existing standard plate thickness;
(c) softening: pencil board is added to vulcanizing tank, in tank temperature be controlled at 175 ℃～185 ℃, pressure and be controlled at 1MPa～1.2MPa, softening processing time and be controlled at 5 hours～6 hours;
(d) hot pressing charing is processed: the pencil board after softening is stacked neatly, by automatic pushing mechanism, pencil board is pushed to automatic hot apparatus mechanism below automatically, automatic pushing mechanism resets, automatic hot apparatus mechanism implements the hot pressing charing processing of 260 ℃ to pencil board, after hot-pressing processing, automatic hot apparatus mechanism resets, and automatic pushing mechanism carries out feeding again; Described hot pressing charing is processed and is comprised hot-pressing processing 4 times, and hot pressing time is followed successively by: 15 seconds, 20 seconds, 30 seconds, 120 seconds;
(e) wax: complete after the 4th hot-pressing processing and spray emulsified wax, rewinding in 60 seconds.
A kind of poplar pencil board reforming apparatus for said method, comprise frame 1, described frame 1 is provided with rack 2, side plate 3 bottoms of rack 2 front and back symmetries all have groove 4, rack 2 rear sides are provided with automatic pushing mechanism 5, and front side is provided with automatic hot apparatus mechanism 6, and automatic pushing mechanism 5 is provided with the mobile scraping wings 7 coordinating with groove 4 sliding plugs, in frame 1, be also provided with controller 8, automatic pushing mechanism 5, automatic hot apparatus mechanism 6 are connected and are controlled by controller 8 respectively;
Automatic pushing mechanism 5 comprises the pushing piston cylinder 9 being fixed in frame 1, mobile scraping wings 7 is fixed on the piston rod of pushing piston cylinder 9, in frame 1, establish in addition slide rail 13, on mobile scraping wings 7, be fixed with slide 14, this slide 14 slides and is arranged on slide rail 13, the frame 1 of slide rail 13 front ends is provided with the travel switch 15 being connected with controller 8, and slide 14 touches and coordinates with travel switch 15;
Automatic hot apparatus mechanism 6 comprises upper hot pressboard 10, lower hot pressing board 11, frame 1 top is fixed with pressing plate piston cylinder 12, upper hot pressboard 10 is fixed under the piston rod of pressing plate piston cylinder 12, and lower hot pressing board 11 is fixed in frame 1 and with the groove 4 of rack 2 front sides and is connected cooperation; Upper hot pressboard 10, lower hot pressing board 11 are electric boiling plate, and lower hot pressing board 11 is provided with the temperature sensor 16 being communicated with controller 8; The piston-rod lower end of pressing plate piston cylinder 12 is fixed with pressing plate seat 17, and upper hot pressboard 10 is fixed on this pressing plate seat 17 belows, between upper hot pressboard 10 and pressing plate seat 17, is provided with heat-insulating layer 18; Between lower hot pressing board 11 and frame 1, be provided with heat-insulating layer 18; Between upper hot pressboard 10 and lower hot pressing board 1, be provided with pattern 26.
In the frame 1 of upper hot pressboard 10 tops, be fixed with one group of pin 19, this group pin 19 stops and is equipped with pressing plate seat 17.
In the frame 1 of upper hot pressboard 10 tops, be at least fixed with two pressing plate piston cylinders 12.
Controller 8 comprises interconnective temperature controller 20, piston cylinder controller 21, controls mainboard 22, power switch 23, is connected with temperature indicator 24 on temperature controller 20, is connected with speed display 25 on piston cylinder controller 21.
During selection in the present invention, choose 8 years, 10 years or the domestic poplar of 15 years age of trees; During cutting plate, sheet material is thickeied to 115% of existing standard plate thickness, to guarantee the rotation direction shrinkage factor of timber; Pencil board is added to vulcanizing tank, in tank temperature control 175 ℃, 180 ℃ or 185 ℃, pressure control 1MPa, 1.1MPa or 1.2MPa, softening processing time be controlled at 5 hours, 5.5 hours or 6 hours; Pencil board after softening is stacked neatly, by automatic pushing mechanism, pencil board is pushed to automatic hot apparatus mechanism below automatically, automatic pushing mechanism resets, automatic hot apparatus mechanism implements the hot pressing charing processing of 260 ℃ to pencil board, after hot-pressing processing, automatic hot apparatus mechanism resets, and automatic pushing mechanism carries out feeding again; Described hot pressing charing is processed and is comprised hot-pressing processing 4 times, and hot pressing time is followed successively by: 15 seconds, 20 seconds, 30 seconds, 120 seconds; Complete after the 4th hot-pressing processing and spray emulsified wax, rewinding in 60 seconds.
When the present invention uses, to treat that the pencil board 27 that hot pressing charing is processed overlays in rack 2, the power switch 23 closing on controller 8, starts complete machine, temperature controller 20 on adjustment control 8 is suitably adjusted the real time temperature of upper hot pressboard 10, lower hot pressing board 11, default hot pressing time.The piston rod of pushing piston cylinder 9 promotes mobile scraping wings 7 and moves forward, mobile scraping wings 7 inserts groove 4, promoting pencil board 27 makes pencil board 27 release until lower hot pressing board 11 tops from the groove 4 of rack 2 front side side plate 3 bottoms, at this moment, being fixed on slide 14 on mobile scraping wings 7 moves to and pushes up and touch the travel switch 15 in frame 1, make controller 8 transmit reset signal to automatic pushing mechanism 5, return automatic hot apparatus mechanism 6 simultaneously and transmit pressing signal, the piston rod of automatic hot apparatus mechanism 6 center platen piston cylinders 12 promotes pressing plate seat 17 presses down upper hot pressboard 10, pencil board 27 on lower hot pressing board 11 is implemented to hot pressing charing to be processed.When the hot pressing charing time reaches default hot pressing time, controller 8 transmits reset signals to automatic hot apparatus mechanism 6, and automatic pushing mechanism 5 transmits feed signals simultaneously, pushes for the second time pencil board 27.In propelling movement process for the second time, after pencil board 27 pencil board 27 of processing at front hot pressing charing is ejected and is collected, deliver to next process.In operating process of the present invention, can regulate control piston cylinder controller 21 and temperature controller 20 according to need of production, simple to operation, be applicable to various material plate hot pressing charings and process, the special hot pressing charing obvious processing effect for poplar pencil board.Use when of the present invention can multimachine by same one man operation, greatly reduce labour, and holistic cost is extremely low, stable, reliable, yield rate is high, less energy consumption is worthy to be popularized.
Although the present invention is described by reference to preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation in form and details.
Claims (4)
1. a modified producing method for poplar pencil board, is characterized in that: production method in turn includes the following steps,
(a) selection: choose 8 years～the domestic poplar of 15 years age of trees;
(b) cutting plate: during cutting plate, sheet material is thickeied to 115% of existing standard plate thickness;
(c) softening: pencil board is added to vulcanizing tank, in tank temperature be controlled at 175 ℃～185 ℃, pressure and be controlled at 1MPa～1.2MPa, softening processing time and be controlled at 5 hours～6 hours;
(d) hot pressing charing is processed: the pencil board after softening is stacked neatly, automatic pushing mechanism by reforming apparatus pushes to automatic hot apparatus mechanism below automatically by pencil board, automatic pushing mechanism resets, automatic hot apparatus mechanism implements the hot pressing charing processing of 260 ℃ to pencil board, after hot-pressing processing, automatic hot apparatus mechanism resets, and automatic pushing mechanism carries out feeding again; Described hot pressing charing is processed and is comprised hot-pressing processing 4 times, and hot pressing time is followed successively by: 15 seconds, 20 seconds, 30 seconds, 120 seconds;
(e) wax: after completing the 4th hot-pressing processing, in 60 seconds, spray emulsified wax, rewinding;
Described reforming apparatus comprises frame (1), described frame (1) is provided with rack (2), side plate (3) bottom symmetrical before and after described rack (2) all has groove (4), described rack (2) rear side is provided with automatic pushing mechanism (5), front side is provided with automatic hot apparatus mechanism (6), described automatic pushing mechanism (5) is provided with the mobile scraping wings (7) coordinating with groove (4) sliding plug, in described frame (1), be also provided with controller (8), described automatic pushing mechanism (5), automatic hot apparatus mechanism (6) is connected and is controlled by controller (8) respectively,
Described automatic pushing mechanism (5) comprises the pushing piston cylinder (9) being fixed in frame (1), described mobile scraping wings (7) is fixed on the piston rod of pushing piston cylinder (9), in described frame (1), establish in addition slide rail (13), on described mobile scraping wings (7), be fixed with slide (14), this slide (14) slides and is arranged on slide rail (13), the frame (1) of described slide rail (13) front end is provided with the travel switch (15) being connected with controller (8), and described slide (14) touches and coordinates with travel switch (15);
Described automatic hot apparatus mechanism (6) comprises upper hot pressboard (10), lower hot pressing board (11), described frame (1) top is fixed with pressing plate piston cylinder (12), described upper hot pressboard (10) is fixed under the piston rod of pressing plate piston cylinder (12), and described lower hot pressing board (11) is fixed on frame (1) above and is connected cooperation with the groove (4) of rack (2) front side; Upper hot pressboard (10), lower hot pressing board (11) are electric boiling plate, and described lower hot pressing board (11) is provided with the temperature sensor (16) being communicated with controller (8); The piston-rod lower end of described pressing plate piston cylinder (12) is fixed with pressing plate seat (17), and described upper hot pressboard (10) is fixed on this pressing plate seat (17) below, between described upper hot pressboard (10) and pressing plate seat (17), is provided with heat-insulating layer (18); Between described lower hot pressing board (11) and frame (1), be provided with heat-insulating layer (18); Between described upper hot pressboard (10) and lower hot pressing board (11), be provided with pattern (26).
2. the modified producing method of poplar pencil board according to claim 1, is characterized in that: in the frame (1) of described upper hot pressboard (10) top, be fixed with one group of pin (19), this group pin (19) stops and is equipped with pressing plate seat (17).
3. the modified producing method of poplar pencil board according to claim 1, is characterized in that: in the frame (1) of described upper hot pressboard (10) top, be at least fixed with two pressing plate piston cylinders (12).
4. the modified producing method of poplar pencil board according to claim 1, it is characterized in that: described controller (8) comprises interconnective temperature controller (20), piston cylinder controller (21), controls mainboard (22), power switch (23), on described temperature controller (20), be connected with temperature indicator (24), on described piston cylinder controller (21), be connected with speed display (25).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290162A (en) * | 2014-09-28 | 2015-01-21 | 庆元县金泰文具有限公司 | Pencil board carbonizing device and pencil board carbonizing method of pencil board carbonizing device |
| CN104290162B (en) * | 2014-09-28 | 2016-08-24 | 庆元县金泰文具有限公司 | Pencil board carbonizing apparatus and use the pencil board charing method of this device |
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Denomination of invention: Modified production method of poplar pencil board Effective date of registration: 20220917 Granted publication date: 20140910 Pledgee: Bank of China Limited Qingyuan County sub branch Pledgor: ZHEJIANG QINGYUAN OUDI INDUSTRIAL Co.,Ltd. Registration number: Y2022330002294 |