CN102107454A - Continuous hot-pressing method for large-section section - Google Patents
Continuous hot-pressing method for large-section section Download PDFInfo
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Abstract
The invention discloses a continuous hot-pressing method for a large-section section. The method comprises a pretreatment process, a continuous hot-pressing process and a post-treatment process, and is characterized in that: the continuous hot-pressing process comprises the following steps of: A, preheating and prepressing; B, hot-pressing and curing; and C, cooling to guarantee quality. In the method, a continuous blanking mode is adopted, the preheating and the prepressing are increased, and a microwave or high-frequency heating technology is adopted during hot pressing. By the method, a non-lumber small-diameter class bamboo material, a secondary material of poor quality, a single-plate residual material, saw dust and the like are machined into a high-quality material; and the method has the advantages of wide material sources, simple and convenient material manufacturing process, high utilization rate of the material, convenience of operation, low energy consumption, investment saving and the like. Meanwhile, the method can be used for machining the material with any length in a continuous pressing mode and can also be used for machining the material with the thickness of 500mm.
Description
Technical field
The present invention relates to bamboo wood processing technique field, be specifically related to the method for a kind of continuous hot-press heavy in section section bar.
Background technology
Bamboo wood is considered to second largest forest, many advantages with its ecology, environmental protection and renewable and fast life, more and more come into one's own, utilize bamboo wood to develop such as bamboo plywood, bamboo wood building template, bamboo material stacked material, bamboo wood sliced veneer, and recent years the numerous products such as reorganization bamboo that go out newly developed.But, bamboo processing method has in the past just become bamboo processing the sheet material or the balk of specification, material all has certain limitation on length and thickness, the peculiar tensile strength more superior than other materials of bamboo wood, MOR, elasticity and toughness do not obtain utilizing fully.Simultaneously, many fast growing woods have been developed in various places in recent years, and these fast growing woods are because growth is fast, and material is generally softer, and yielding cracking is unfavorable for processing.
As the processing method of existing high density carbonized bamboo material as described in the Chinese patent 200610021013.2: the processing method of high density carbonized bamboo material, comprise the steps: that (1) be processed into bamboo chip with bamboo, remove blue or green layer and inside yellow layer, (2) bamboo sheet is split into bamboo silk or grind in length and breadth the bamboo sheet that links to each other, (3) bamboo sheet or bamboo silk are placed in the carbonization jar, under 2-3MPa pressure, under the 100-300 ℃ of temperature pyrolysis charring 2-3 hour, (4) with the bamboo sheet or the bamboo silk impregnation of pyrolysis charring, (5) are solidified into section bar through the high pressure after heat with bamboo sheet behind the impregnation or bamboo silk in mould.The heat cure that the material that this method is produced (being commonly called as the reorganization bamboo) adopts the locked mode of colding pressing to carry out glue is again handled, solve traditional wood-based plate and can not prepare thick material (general traditional hot pressing wood-based plate, because heat conduction problem, material thickness is all below 30mm) problem, this material is mainly used in fields such as floor, furniture at present, because this method is used mould and is formed by the high pressure manufacturing, mould consumption is big, because the high pressure material molecule is damaged, in use material is easy to crack, could use after needing long time aging to remove stress, this has also caused the material cost rising.
The manufacture method of a kind of bamboo strip laminated board of patent and for example, patent No. ZL200710019222.8 is described: the method that adopts high-frequency heating, prepared the sheet material of big (can reach 150mm) of thickness, but this method can not well solve homogeneity question when assembly, the input and output material difficulty of slab during pressed material, and press is in case typing, and just can not the longer material of manufactured size, and equipment cost is higher, and industrial applications also has certain limitation.Existing medium density fibre board (MDF) continuous press mainly adopts the cylinder steel band, the material processed thinner thickness, and material applications is limited.
Summary of the invention
Technical problem to be solved by this invention is: the method how a kind of continuous hot-press heavy in section section bar is provided, this method can be processed into high quality material with the inferior material of good-for-nothing small diameter grade bamboo wood, material difference, veneer clout, wood chip etc., have material source extensively, the material manufacture process is easy, stock utilization is high, easy to operate, power consumption less, advantage such as reduced investment.Simultaneously, this method not only can adopt the mode of continuous compacting to process the material of random length, but also can be used to process the material of thickness up to 500mm.
To achieve the above object of the invention, the technical solution adopted in the present invention is: the method for a kind of continuous hot-press heavy in section section bar is provided, comprises pre-treating technology, continuous hot pressing process and aftertreatment technology; It is characterized in that: described continuous hot pressing process comprises the steps:
A, preheating precompressed: the preheating precompressed section of continuous hot-press unit delivered to blank continuously by charger, adopt the heat exchange hot-air with blank heating to 70-100 ℃, simultaneously by forming the crawler type chain pulling blank of 5-25 degree angle between the last lower chain of preheating precompressed section, blank is applied the 2-4MPa preload pressure with the density precompressed of blank 400-600Kg/m most
3
B, the solid type of hot pressing: the blank after the preheating precompressed adopts the crawler type chain to transmit continuously or the continuous hot-press section that enters the continuous hot-press unit with step-by-step system, blank heating after adopting high frequency or microwave with the preheating precompressed by the battery lead plate on the carrier bar that is arranged on the crawler type chain is to 120-160 ℃, the backgauge cylinder that is arranged in parallel by continuous hot-press section two row applies back pressure to the carrier bar of crawler type chain, and lower chain is used and less than the pressure of 12MPa blank suppressed solid type and become the heavy in section section bar on the crawler type chain;
C, cooling are guaranteed the quality: the heavy in section section bar after the hot pressing adopts the crawler type chain to transmit continuously or step-by-step system enters the cooling section of continuous hot-press unit, under keeping under the constant prerequisite of section bar cross sectional shape, be cooled to below 40 ℃, the heavy in section section bar is lowered the temperature behind the solid type continuously or the step-by-step system discharging by refrigeration air-conditioner forced refrigeration or nature.
Described continuous hot-press unit is made up of preheating precompressed section, continuous hot-press section and cooling section, and preheating precompressed section, continuous hot-press section and cooling section all adopt the crawler type chain to transmit; The feed end nature transition of preheating precompressed section discharge end and continuous hot-press section, the spacing of the last lower chain of preheating precompressed section discharge end is consistent with the spacing of the chain of crawler type up and down of continuous hot-press section; The spacing of the left and right sides striker plate on the spacing of the left and right sides backgauge cylinder of cooling section and the left and right sides backgauge roller pitch of continuous hot-press section and the charger is consistent.
The backgauge cylinder of the striker plate of described charger and continuous hot-press unit is provided with the spacing adjusting device.The carrier bar of the chain of crawler type up and down on preheating precompressed section, continuous hot-press section and the cooling section of described continuous hot-press unit be provided with a shaping pressing plate that matches with the section bar profile of required processing by the one side of blank.
In described step B, continuous mode of heating or interrupted at a certain time interval mode of heating are adopted in high frequency or heating using microwave.
Described pre-treating technology comprises following concrete steps: a, becomes length to decide irregular materials in the 0.05-6m scope former bamboo and wood material or wooden single-skin drum bladed saw, afterwards diameter is split into the short material of the sheet of width between 1-20mm greater than the short material of 30mm; B, the short material of sheet is rolled into netted unit material by the tamping drum that many groups surface has the screw thread of left-handed or dextrorotation; C, with netted unit material send into dry in the dry kiln to moisture below 12%, glue or impregnation are sprayed in classification afterwards or gluing is handled, gluing content is 3-10%; D, the netted unit material after the gluing is adopted net belt type low temperature rapid drying device is 8%-20% 80 ℃ of oven dry to netted unit material water content below the temperature; E, by net belt type low temperature rapid drying device with dried contain that the netted unit material of glue is layered on equably can be laterally back and forth on the spreading machine of translation, the discharging opening of spreading machine in line, dried contain the netted unit material of glue and come out from the spreading machine discharging opening after, evenly forward fall on the charger that travels at the uniform speed, contain the netted unit material of glue and be contained between the striker plate that is arranged in parallel on the charger; And keeping the transporting direction of charger vertical mutually with the transporting direction of spreading machine, the feed speed of the feed speed of charger and continuous hot-press unit is consistent.
In the described pre-treating technology, with the length of former bamboo sawed-off one-tenth 50mm or 200mm or 500mm or 2500mm or 6000mm; The requirement that the netted unit material that is rolled into need meet is: every surface of containing surf green or tabasheer, blue or green or the yellow width on its single whole surface should be less than 1mm, roll the back on netted unit material thickness less than 4mm, the state that netted unit material reticulates and do not split fully.
In the described pre-treating technology, employed adhesive is phenolic resins or cyanurotriamide modified urea resin or isocyanate adhesive.
Described aftertreatment technology is: the heavy in section section bar behind the solid type of cooling enters the blanking section continuously, blocks according to needed length by butting saw, can obtain qualified heavy in section section bar after by verifying attachment section bar being tested.
In sum, the method for continuous hot-press provided by the present invention heavy in section section bar has following advantage:
1, allow adhesive be unlikely under the prerequisite of curing by the preheating prepressing procedures is set, the temperature of the raising blank of trying one's best increases its plasticity, thereby the pressure when having effectively reduced preload pressure and hot pressing has been saved the device fabrication expense, has reduced energy consumption;
2, when hot-pressing processing, adopt microwave or high frequency technique that blank is heated, because microwave or high-frequency heating are rapid, penetration power is strong, thickness all section bars below 500mm all can be processed smoothly;
3, the various materials of building that adopts this method to suppress continuously can to reach random length or building decoration or finishing usefulness, and the color and luster of prepared sheet material and texture can the assembly adjustment, and sheet material has advantages such as high MOR, high elastic modulus, high-tensile, antiseptic property be good, can satisfy building girder, the post performance indications requirement of veneer(ed) wood, and can be used as the basic material of wind power blade;
4, the drawing materials extensively of this method, manufacture process automaticity height, stock utilization height, easy for operation, power consumption less, reduced investment; Can realize the inferior material of good-for-nothing small diameter grade bamboo wood or material difference is processed into high-grade material, for alleviating wood supply, particularly precious timber, the supply of long size for building, heavy in section timber has crucial meaning.
Description of drawings
Fig. 1 is the device connection diagram in the pre-treating technology;
Fig. 2 is the structure diagram of continuous hot-press unit;
Fig. 3 is the assembling schematic diagram of the shaping pressing plate of processing square-section section bar;
Fig. 4 is the assembling schematic diagram of the shaping pressing plate of processing " worker " shaped sections section bar;
Fig. 5 is the assembling schematic diagram of the shaping pressing plate of the dolioform cross section of processing section bar.
Wherein, 1, net belt type low temperature rapid drying device; 2, spreading machine; 3, charger; 4, striker plate; 5, blank; 6, backgauge cylinder; 7, butting saw; 8, verifying attachment; 9, shaping pressing plate.
The specific embodiment
Below in conjunction with specific embodiment the specific embodiment of the present invention is described in detail.
As shown in Figure 2, the method for this continuous hot-press heavy in section section bar comprises pre-treating technology, continuous hot pressing process and aftertreatment technology; It is characterized in that: described continuous hot pressing process comprise the steps: A, preheating precompressed: the preheating precompressed sections of continuous hot-press unit delivered to blank 5 continuously by charger 3, adopt the heat exchange hot-air that blank 5 is heated to 70-100 ℃, by crawler type chain pulling blank 5 about the preheating precompressed section, the 5-25 degree angle that last lower chain forms is 400-600Kg/m to the density that is depressed in advance that blank 5 applies the 2-4MPa preload pressure simultaneously
3B, the solid type of hot pressing: the blank after the preheating precompressed adopts the crawler type chain to transmit the continuous hot-press section that enters the continuous hot-press unit continuously, blank heating after adopting high frequency or microwave with the preheating precompressed by the battery lead plate on the carrier bar that is arranged on the belt chain is to 120-160 ℃, use less than the pressure of 12MPa by lower chain on the continuous hot-press section blank is suppressed, backgauge cylinder 6 usefulness that two rows of setting are parallel to each other are carried out solid type less than the back pressure of 12MPa to blank 5 and are become the heavy in section section bar; C, cooling are guaranteed the quality: the heavy in section section bar after the hot pressing adopts the crawler type chain to transmit the cooling section that enters the continuous hot-press unit continuously, under keeping under the constant prerequisite of section bar cross sectional shape, be cooled to below 40 ℃, to the continuous or intermittent discharging behind the solid type of lowering the temperature of heavy in section section bar by refrigeration air-conditioner forced refrigeration or nature.
Described aftertreatment technology is: the heavy in section section bar behind the solid type of cooling adopts the crawler type chain to transmit and enters the blanking section continuously, block according to needed length by butting saw 7, adopt the crawler type chain to transmit and enter the check section continuously, can obtain qualified heavy in section section bar after testing by 8 pairs of section bars of verifying attachment.
Described continuous hot-press unit is made up of preheating precompressed section, continuous hot-press section and cooling section, and precompressed preheating section, continuous hot-press section and cooling section all adopt the crawler type chain to transmit; Be the angle of 5-25 degree between the last lower chain of precompressed preheating section, and can adjust spacing, continuous hot-press section leading portion and preheating precompressed section are the nature transition, keeping parallelism between the last lower chain of back segment and cooling section, and spacing unanimity between last lower chain, and can adjust; The spacing of the last lower chain of preheating precompressed section discharge end is consistent with the spacing of the chain of crawler type up and down of continuous hot-press section, the spacing of the left and right sides striker plate 4 on the spacing of the left and right sides backgauge cylinder of cooling section and the left and right sides backgauge roller pitch of continuous hot-press section and the charger 3 is consistent, and can be according to the corresponding adjustment of carrier bar wide variety of last lower chain.
As shown in Figure 1, described pre-treating technology comprises following concrete steps: a, becomes length to decide irregular materials in the 0.05-6m scope former bamboo and wood material or wooden single-skin drum bladed saw, afterwards diameter is split into the short material of the sheet of width between 1-20mm greater than the short material of 30mm; B, the short material of sheet is rolled into netted unit material by the tamping drum that many groups surface has the screw thread of left-handed or dextrorotation; C, with netted unit material send into dry in the dry kiln to moisture below 12%, spray glue or impregnation or gluing afterwards in batches and handle, gluing content is 3-10%; D, the netted unit material after the gluing is adopted net belt type low temperature rapid drying device 1 is 8%-20% 80 ℃ of oven dry to netted unit material water content below the temperature; E, by net belt type low temperature rapid drying device 1 with dried contain that the netted unit material of glue is layered on equably can be laterally back and forth on the spreading machine 2 of translation, the discharging opening of spreading machine 2 in line, dried contain the netted unit material of glue and come out from the spreading machine discharging opening after, evenly forward fall on the charger 3 that travels at the uniform speed, contain the netted unit material of glue and be contained between the striker plate 4 that is arranged in parallel on the charger 3; And keeping the transporting direction of charger 3 vertical mutually with the transporting direction of spreading machine 2, the feed speed of the feed speed of charger 3 and continuous hot-press unit is consistent.
In the described pre-treating technology, with the length of former bamboo sawed-off one-tenth 50mm or 200mm or 500mm or 2500mm or 6000mm; The requirement that the netted unit material that is rolled into need meet is: every surface of containing surf green or tabasheer, blue or green or the yellow width on its single whole surface should be less than 1mm, roll the back on netted unit material thickness less than 4mm, the state that netted unit material reticulates and do not split fully.
In the described pre-treating technology, employed adhesive is phenolic resins or cyanurotriamide modified urea resin or isocyanate adhesive.The striker plate 4 of described charger 3 and the backgauge cylinder 6 of continuous hot-press unit are provided with the spacing adjusting device.
As Fig. 3, Fig. 4 and shown in Figure 5, the carrier bar of the chain of crawler type up and down on the precompressed preheating section of described continuous hot-press unit, continuous hot-press section and the cooling section be provided with a shaping pressing plate 9 that matches with the section bar profile of required processing by the one side of blank.Wherein, the rectangular structure in cross section of the section bar of being processed among Fig. 3; The cross section of the section bar of being processed among Fig. 4 is " worker " font structure; The cross section of the section bar of being processed among Fig. 5 is dolioform structure.
Embodiment 1:(1) cizu is sawn into 2.5 meters bamboo section, and cuts open the bamboo chip that is processed into width 40mm; (2) bamboo chip is flattened, remove ring, remove blue or green layer and inside yellow layer, and become the unit material that links to each other in length and breadth through grinding squeezing extrusion with perching knife; (3) unit material is packed into microwave dry production line is regulated microwave power and is dried and handle to relative moisture content below 15%, and the microwave generator that can regulate microwave power in the back segment setting of microwave drying becomes shallow bronze-colored with the unit material carbonization; (4) unit material is sent into impregnation pond impregnation 20 minutes, impregnation adopts the water soluble phenol resin that is diluted to solid content 20%, spread 8% (solids content); (5) will contain the glue unit material and carry out low temperature continuous drying line, dewater to moisture content 12%, to contain the glue unit material according to 50 kilograms of quantitative slabs, regulating charger striker plate spacing is 110mm, along its length slab is connected mat formation to the charger that travels at the uniform speed one by one; (6) the glue unit material that contains that charger will be received is continuously delivered to the continuous hot-press unit, the backgauge that adjusting continuous hot-press unit both sides are parallel to each other rolls on the same group, and spacing is 110mm, the speed of continuous hot-press unit is also consistent with charger speed, its leading portion is the precompressed preheating section, the chain that adopts is arranged to lower scissors mouth shape, and material is pressed into density 400Kg/m in advance
3Blank, the precompressed maximum pressure is 4MPa, adopts hot-air that material is preheated processing when precompressed, pre-heating temperature is below 80 degrees centigrade; The stage casing is the continuous hot-press section, hot pressing pressure 8MPa, hot pressing chain distance between plates up and down is adjusted to 160mm, and the material base after the precompressed enters the hot pressing section continuously, and hot pressing adds the thermal recovery high frequency, frequency 6.78MHz, material after the hot pressing enters cooling, solid type unit continuously, through discharging after the solid type section of cooling, promptly obtains continuous discharging, batch of material length is 2500mm, and the cross section is the bamboo glueing material of 110*160mm.
Through after this process processes the well-thought-out plan glueing material with cizu, the main performance index of material is detected data such as following table one with reference to GB/T17657-1999 " Test methods of evaluating the properties of woodbased panels and surface decorated woodbased panels ":
| Test item | Unit | Detected value |
| Moisture content L | ％ | 10.5 |
| Density (ρ) | g/cm 3 | 0.98 |
| Elastic modelling quantity | MPa | 10500 |
| MOR | MPa | 112.0 |
| MOR behind the 2h poach | MPa | 59.0 |
| Elastic modelling quantity behind the 2h poach | MPa | 5500 |
| Burst size of methanal | mg/L | 0.1 |
Embodiment 2:(1) path hundred is pressed from both sides the bamboo section that bamboos are sawn into 0.6m; (2) the bamboo section is become the unit material that links to each other in length and breadth through grinding squeezing extrusion; (3) unit material is dried to relative moisture content below 10%; (4) unit material is sent into spray glue chamber and sprayed the glue processing, adopt isocyanate adhesive, spread 4%; (5) will contain the glue unit material and fall uniformly continuously on the spreading machine of reciprocal operation, the belt transportation subsidiary engine that spreading machine disposed above it in the reciprocating while is transported to unit material on the charger that travels at the uniform speed; (6) the glue unit material that contains that charger will be received is continuously delivered to the continuous hot-press unit, continuous hot-press unit both sides are provided with and are parallel to each other, and backgauge that can spacing rolls on the same group, its spacing is consistent with the spacing of charging supply line baffle plate, the speed of unit is also consistent with charging supply line speed, its leading portion is a preformer, is arranged to lower scissors mouth shape, and material is pressed into density 500Kg/m in advance
3Blank, the precompressed maximum pressure is 3MPa, can adopt hot-air that material is preheated processing when precompressed, pre-heating temperature is at 90 degrees centigrade; The stage casing is a continuous hot press, and the material base after the precompressed enters the hot pressing section continuously, and hot pressing adds the thermal recovery high frequency, material after the hot pressing enters cooling, solid type unit continuously, through discharging after the solid type section of cooling, promptly obtain the bamboo glueing material of continuous discharging, can open material according to needed size.
Embodiment 3:(1) timber is peeled into the thin veneer of 1.7mm, cuts into width 200mm, the veneer strip of length 2500mm; (2) veneer strip is dried moisture content below 10%; (3) the veneer strip impregnation is handled, adopting the phenolic resins impregnation resin content is 8% (ratio of solid gel content and material gross weight); (4) will contain the glue unit material and be dried to moisture content 14-16% through the net belt type drying line, with dried veneer according to finished product density 0.9g/dm
3Stack into blank, what be linked in sequence before and after each blank is put on the charger, and adjusting the charger baffle spacing is 200mm; (5) the glue unit material that contains that charger will be received is continuously delivered to continuous hot-press unit precompressed section, the backgauge that the both sides setting of adjusting continuous hot-press unit is parallel to each other rolls on the same group, and spacing is 200mm, the precompressed preheating section that material is continuous through the hot pressing unit, hot pressing section and cooling section, the precompressed angle is adjusted into 15 degree, adopt hot-air that material is preheated processing when precompressed, pre-heating temperature is set to 70 degrees centigrade; The lower chain spacing is set to 150mm in the hot pressing, carrier bar face shape is chosen as circular arc, and the material base after the precompressed enters the hot pressing section continuously, and the material after the hot pressing enters cooling, solid type unit continuously, through discharging after the solid type section of cooling, it is dolioform new material that the wood glue that promptly obtains continuous discharging closes the cross section.
Though the present invention has carried out at large describing in conjunction with the embodiments, should not be construed as limitation of the invention.In claims institute restricted portion of present patent application, the protection domain that those skilled in the art does not need various modifications that creative work can make or distortion still to belong to this patent.
Claims (9)
1. the method for a continuous hot-press heavy in section section bar comprises pre-treating technology, continuous hot pressing process and aftertreatment technology; It is characterized in that: described continuous hot pressing process comprises the steps:
A, preheating precompressed: the preheating precompressed section of continuous hot-press unit delivered to blank (5) continuously by charger (3), adopt the heat exchange hot-air that blank (5) is heated to 70-100 ℃, simultaneously by forming the crawler type chain pulling blank (5) of 5-25 degree angle between the last lower chain of preheating precompressed section, blank (5) is applied the 2-4MPa preload pressure with the density precompressed of blank (5) 400-600Kg/m most
3
B, the solid type of hot pressing: the blank after the preheating precompressed adopts the crawler type chain to transmit continuously or the continuous hot-press section that enters the continuous hot-press unit with step-by-step system, blank heating after adopting high frequency or microwave with the preheating precompressed by the battery lead plate on the carrier bar that is arranged on the crawler type chain is to 120-160 ℃, the backgauge cylinder (6) that is arranged in parallel by continuous hot-press section two row applies back pressure to the carrier bar of crawler type chain, and lower chain is used and less than the pressure of 12MPa blank suppressed solid type and become the heavy in section section bar on the crawler type chain;
C, cooling are guaranteed the quality: the heavy in section section bar after the hot pressing adopts the crawler type chain to transmit continuously or step-by-step system enters the cooling section of continuous hot-press unit, under keeping under the constant prerequisite of section bar cross sectional shape, be cooled to below 40 ℃, the heavy in section section bar is lowered the temperature behind the solid type continuously or the step-by-step system discharging by refrigeration air-conditioner forced refrigeration or nature.
2. the method for continuous hot-press according to claim 1 heavy in section section bar, it is characterized in that: described pre-treating technology comprises following concrete steps:
A, become length in the 0.05-6m scope, to decide irregular materials former bamboo and wood material or wooden single-skin drum bladed saw, afterwards diameter is split into the short material of the sheet of width between 1-20mm greater than the short material of 30mm;
B, the short material of sheet is rolled into netted unit material by the tamping drum that many groups surface has the screw thread of left-handed or dextrorotation;
C, with netted unit material send into dry in the dry kiln to moisture below 12%, glue or impregnation are sprayed in classification afterwards or gluing is handled, gluing content is 3-10%;
D, the netted unit material after the gluing is adopted net belt type low temperature rapid drying device (1) is 8%-20% 80 ℃ of oven dry to netted unit material water content below the temperature;
E, by net belt type low temperature rapid drying device (1) with dried contain that the netted unit material of glue is layered on equably can be laterally back and forth on the spreading machine (2) of translation, the discharging opening of spreading machine (2) in line, dried contain the netted unit material of glue and come out from the spreading machine discharging opening after, evenly forward fall on the charger (3) that travels at the uniform speed, contain the netted unit material of glue and be contained between the striker plate (4) that is arranged in parallel on the charger (3); And keeping the transporting direction of charger (3) vertical mutually with the transporting direction of spreading machine (2), the feed speed of charger (3) and the feed speed of continuous hot-press unit are consistent.
3. the method for continuous hot-press according to claim 1 heavy in section section bar, it is characterized in that: described aftertreatment technology is: the heavy in section section bar behind the solid type of cooling enters the blanking section continuously, block according to needed length by butting saw (7), can obtain qualified heavy in section section bar after by verifying attachment (8) section bar being tested.
4. the method for continuous hot-press according to claim 2 heavy in section section bar, it is characterized in that: described continuous hot-press unit is made up of preheating precompressed section, continuous hot-press section and cooling section, and preheating precompressed section, continuous hot-press section and cooling section all adopt the crawler type chain to transmit; The feed end nature transition of preheating precompressed section discharge end and continuous hot-press section, the spacing of the last lower chain of preheating precompressed section discharge end is consistent with the spacing of the chain of crawler type up and down of continuous hot-press section; The spacing of the left and right sides striker plate (4) on left and right sides backgauge cylinder (6) spacing of the spacing of the left and right sides backgauge cylinder (6) of cooling section and continuous hot-press section and the charger (3) is consistent.
5. the method for continuous hot-press according to claim 2 heavy in section section bar is characterized in that: in the described pre-treating technology, with the length of former bamboo sawed-off one-tenth 50mm or 200mm or 500mm or 2500mm or 6000mm; The requirement that the netted unit material that is rolled into need meet is: every surface of containing surf green or tabasheer, blue or green or the yellow width on its single whole surface should be less than 1mm, roll the back on netted unit material thickness less than 4mm, the state that netted unit material reticulates and do not split fully.
6. the method for continuous hot-press according to claim 2 heavy in section section bar is characterized in that: in the described pre-treating technology, employed adhesive is phenolic resins or cyanurotriamide modified urea resin or isocyanate adhesive.
7. the method for continuous hot-press according to claim 2 heavy in section section bar is characterized in that: the striker plate (4) of described charger (3) and the backgauge cylinder (6) of continuous hot-press unit are provided with the spacing adjusting device.
8. the method for continuous hot-press according to claim 1 heavy in section section bar is characterized in that: the carrier bar of the chain of crawler type up and down on preheating precompressed section, continuous hot-press section and the cooling section of described continuous hot-press unit be provided with a shaping pressing plate (9) that matches with the section bar profile of required processing by the one side of blank.
9. the method for continuous hot-press according to claim 1 heavy in section section bar is characterized in that: in described step B, continuous mode of heating or interrupted at a certain time interval mode of heating are adopted in high frequency or heating using microwave.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102259372A (en) * | 2011-08-05 | 2011-11-30 | 青岛国森机械有限公司 | Pressing equipment for long-specification bamboo laminated wood |
| CN102490245A (en) * | 2011-12-22 | 2012-06-13 | 三门峡市易兴人造板设备有限公司 | Dual-steel-belt continuous flat press |
| CN102528890A (en) * | 2011-12-12 | 2012-07-04 | 宁波大世界家具研发有限公司 | Manufacturing method for non-adhesive wood fiber part |
| CN102632530A (en) * | 2012-04-12 | 2012-08-15 | 北华大学 | Veneer soaking drier |
| CN106903761A (en) * | 2017-03-08 | 2017-06-30 | 中国福马机械集团有限公司 | The preparation method of glued board |
| CN107932685A (en) * | 2016-10-12 | 2018-04-20 | 辛北尔康普机器及成套设备有限责任公司 | Continuous-type furnace for laser heating pressed material pad |
| CN109808013A (en) * | 2019-03-11 | 2019-05-28 | 王凯 | High frequency densification wood combination production line |
| CN112060266A (en) * | 2020-09-03 | 2020-12-11 | 济南采明实业有限公司 | Continuous cold press for artificial boards |
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| CN102259372A (en) * | 2011-08-05 | 2011-11-30 | 青岛国森机械有限公司 | Pressing equipment for long-specification bamboo laminated wood |
| CN102528890A (en) * | 2011-12-12 | 2012-07-04 | 宁波大世界家具研发有限公司 | Manufacturing method for non-adhesive wood fiber part |
| CN102528890B (en) * | 2011-12-12 | 2014-02-19 | 宁波大世界家具研发有限公司 | Manufacturing method for non-adhesive wood fiber part |
| CN102490245A (en) * | 2011-12-22 | 2012-06-13 | 三门峡市易兴人造板设备有限公司 | Dual-steel-belt continuous flat press |
| CN102490245B (en) * | 2011-12-22 | 2014-01-22 | 三门峡市易兴人造板设备有限公司 | Dual-steel-belt continuous flat press |
| CN102632530A (en) * | 2012-04-12 | 2012-08-15 | 北华大学 | Veneer soaking drier |
| CN107932685B (en) * | 2016-10-12 | 2020-09-18 | 辛北尔康普机器及成套设备有限责任公司 | Apparatus and method for manufacturing fibreboard or particle board |
| CN107932685A (en) * | 2016-10-12 | 2018-04-20 | 辛北尔康普机器及成套设备有限责任公司 | Continuous-type furnace for laser heating pressed material pad |
| CN106903761A (en) * | 2017-03-08 | 2017-06-30 | 中国福马机械集团有限公司 | The preparation method of glued board |
| CN106903761B (en) * | 2017-03-08 | 2019-05-24 | 中国福马机械集团有限公司 | The preparation method of glued board |
| CN109808013A (en) * | 2019-03-11 | 2019-05-28 | 王凯 | High frequency densification wood combination production line |
| JP2020147022A (en) * | 2019-03-11 | 2020-09-17 | 凱 王 | Complex production line of high frequency compaction wood |
| JP7090907B2 (en) | 2019-03-11 | 2022-06-27 | 凱 王 | High-frequency compacted wood composite production line |
| CN109808013B (en) * | 2019-03-11 | 2024-02-23 | 王凯 | High-frequency compaction wood combination production line |
| CN112060266A (en) * | 2020-09-03 | 2020-12-11 | 济南采明实业有限公司 | Continuous cold press for artificial boards |
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