CN108748600B - Paving device for electric heating composite board - Google Patents
Paving device for electric heating composite board Download PDFInfo
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- CN108748600B CN108748600B CN201810902578.4A CN201810902578A CN108748600B CN 108748600 B CN108748600 B CN 108748600B CN 201810902578 A CN201810902578 A CN 201810902578A CN 108748600 B CN108748600 B CN 108748600B
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- Prior art keywords
- heating wire
- electric heating
- shell
- hopper
- paving
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- 238000005485 electric heating Methods 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000000835 fiber Substances 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 230000013011 mating Effects 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 38
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 239000013078 crystal Substances 0.000 claims description 37
- 239000000843 powder Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 11
- 238000010008 shearing Methods 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 2
- 239000011094 fiberboard Substances 0.000 abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 43
- 238000007731 hot pressing Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- -1 melamine modified urea-formaldehyde resin Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000002025 wood fiber Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Floor Finish (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a paving device of an electric heating composite board. Including casing and the slab conveyer who is located the casing below, be equipped with fibre feeding conveyor, electrically conductive layer device of generating heat in the casing from top to bottom in proper order, electrically conductive layer device of generating heat includes that a longitudinal section is rugby shell body, shell body upper end is pointed closed, lower extreme opening, the interval is equipped with heating wire device, heat conduction layer device of mating formation in the shell body side by side, heating wire device of mating formation is equipped with heating wire conveying mechanism, heating wire automatically cropped mechanism and heating wire delivery tube from top to bottom in proper order, heat conduction layer device of mating formation includes the casing, from last to being equipped with feed screw conveyer, hopper, discharge gate down in proper order in the casing. By improving the paving device and the paving method of the fiber board, the original working procedures of digging and repairing the board are omitted, the production efficiency is improved, the energy consumption can be reduced, and the production cost is reduced.
Description
Technical Field
The invention relates to a paving device of an electric heating composite board.
Background
The fiber board is an artificial board which is prepared by taking wood fiber or other plant fiber as a main raw material, preparing the fiber, applying an adhesive, paving and forming the fiber after the fiber is dried, and then performing hot pressing. The fiber boards are classified according to volume weight and can be classified into high-density fiber boards, medium-density fiber boards and low-density fiber boards. Because the fiber board material is uniform, the fiber board material is widely applied to the processing of furniture, floors, beds, wallboards, packing boxes, suspended ceilings and the like.
The preparation method of the existing heating plate comprises the following steps: the first method is to dig holes or grooves on the basis of the finished substrate, place the heating layer in the holes or grooves and seal the bottom surface. And secondly, paving the formed pressed heat-conducting single plate on the plate surface of the finished plate, and paving an upper surface layer on the heat-conducting single plate. Or a layer of micro-nano carbon paste is coated on the plate surface, and the plate surface is dried and solidified, so that the upper surface layer is glued, the raw material waste is serious in the whole preparation process of the plate, a large amount of labor and auxiliary materials are also required, and a large amount of production auxiliary equipment is required, so that the production efficiency is low, the labor intensity is high, and the pollution is serious.
Disclosure of Invention
In order to solve the technical problems of production, the invention provides a paving device of an electric heating composite board, which eliminates the functions of digging holes, grooving, discharging, filling, repairing and the like of a fiberboard in the later period by paving an electric heating wire and a heat conducting layer at the same time of fiber paving under the condition of not changing the production process of the fiberboard.
The technical scheme adopted by the invention is as follows:
the utility model provides a device of mating formation of electric heat composite sheet, includes the casing and is located the slab conveyer of casing below, be equipped with fibre feeding conveyor, electrically conductive layer device of mating formation from top to bottom in the casing in proper order, electrically conductive layer device of mating formation of generating heat includes that a longitudinal section is rugby shell body, shell body upper end is pointed closed, lower extreme opening, the interval is equipped with heating wire device of mating formation, heat conduction layer device of mating formation in the shell body side by side, heating wire device of mating formation from top to bottom is equipped with heating wire conveying mechanism, heating wire automatically cropped mechanism and heating wire delivery tube in proper order, heat conduction layer device of mating formation includes the casing, be equipped with feeding screw conveyer, hopper, discharge gate from top to bottom in proper order in the casing.
Further:
the number of the heating wire paving devices is plural.
The feeding screw conveyor comprises a feeding cylinder and a screw rod positioned in the feeding cylinder, wherein a plurality of discharging through holes are formed at the lower end of the feeding cylinder; the feeding cylinder penetrates through the outer shell and extends to one end or two ends outside the shell, and a feeding area is arranged at one end or two ends of the feeding cylinder.
The hopper is divided into a large hopper and a small hopper by a partition plate; and the bottoms of the large hopper and the small hopper are respectively provided with a large hopper discharge valve and a small hopper discharge valve.
A material guiding unit is arranged between the hopper and the discharge hole, and comprises an arc-shaped material guiding plate, a lifting material poking thorn wheel and a swinging discharge guide plate from top to bottom; one end of the discharging guide plate is close to the stirring thorn wheel, and the stirring thorn wheel and the arc-shaped guide plate form a semi-surrounding structure.
The shell is provided with a sliding groove or a sliding window at the connection position with the conductive heating layer paving device, so that the conductive heating layer paving device moves in the shell.
The heating wire conveying mechanism comprises an inverted L-shaped fixed supporting pipe and a steering roller conveying mechanism in the supporting pipe, and an inlet of the supporting pipe penetrates through the outer shell and extends out of the shell. More specifically, the steering roller conveying mechanism comprises an inlet section straight conveying roller, an inlet section transition roller, a bent angle steering roller, an outlet section transition roller and an outlet section straight conveying roller.
The electric heating wire eduction tube is funnel-shaped with a downward opening.
The heat conducting layer comprises a carbon crystal powder layer. The granularity of the carbon crystal powder is 100-500 meshes, and the particles before feeding the carbon crystal powder are added with far infrared emitting agent for mixing and then are mixed with an adhesive for sizing fibers, so that the water content of the carbon crystal powder is 3-4%.
The paving device can be regulated and controlled by a PCL control system.
The beneficial effects of the invention are as follows:
the invention provides a paving device of an electric heating composite board, which can be used for simultaneously paving an electric heating wire and a heat conducting layer by fiber paving without changing the production process condition of a fiber board, eliminating the original working procedures of digging and supplementing the board, preparing a carbon crystal powder veneer and the like, improving the production efficiency, reducing the energy consumption and reducing the production cost.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a cross-sectional view of a paving apparatus of the present invention.
Fig. 2 is a cross-sectional view of the conductive heat generating layer paving device of the present invention.
Fig. 3 is a side view of a thermally conductive layer applying apparatus.
Fig. 4 is a side view of the heating wire spreading device.
Fig. 5 is a paving structure diagram of a carbon crystal heating wire fiber composite layer, and A, B, C is a fiber layer, a carbon crystal powder heating wire fiber mixed layer and a fiber layer respectively.
Detailed Description
Example 1
As shown in fig. 1, a paving device for an electric heating composite board comprises a casing 1 and a slab conveying device 2 positioned below the casing 1, wherein a fiber feeding conveying device 3 and a conductive heating layer paving device are sequentially arranged in the casing 1 from top to bottom, the conductive heating layer paving device comprises an outer casing with a rugby-shaped longitudinal section, the upper end of the outer casing is pointed and closed, the lower end of the outer casing is open, and an electric heating wire paving device 4 and a heat conducting layer paving device 5 are arranged in the outer casing at parallel intervals.
As shown in fig. 2 and 4, the heating wire paving device 4 is provided with a heating wire conveying mechanism 41, an automatic heating wire shearing mechanism 42 and a heating wire guiding tube 43 in sequence from top to bottom. The heating wire conveying mechanism 41 comprises an inverted-L-shaped fixed supporting pipe 411 and a steering roller conveying mechanism in the supporting pipe, wherein an inlet of the supporting pipe penetrates through the outer shell and extends out of the shell. The turning roller conveying mechanism comprises an inlet section straight conveying roller 412, an inlet section transition roller 413, a bent angle turning roller 414, an outlet section transition roller 415 and an outlet section straight conveying roller 416. The heating wire delivery tube 43 is funnel-shaped with a downward opening.
As shown in fig. 2 and 3, the heat-conducting layer paving device 5 includes a housing 51, and a feeding screw conveyor 52, a hopper 53, a guiding unit 54 (the purpose of the arrangement is to make the guiding more uniform, and the arrangement is not required), and a carbon crystal powder outlet 55 are sequentially arranged in the housing from top to bottom.
The feeding screw conveyor 52 comprises a feeding cylinder 521 and a screw 522 positioned in the feeding cylinder 521, wherein a plurality of discharging through holes 523 are arranged at the lower end of the feeding cylinder 521; the feeding barrel 521 is provided with a carbon crystal powder feeding area 524 at one end penetrating the rugby-shaped shell 51 and extending outside the shell.
The hopper 53 is divided into a large hopper 531 and a small hopper 532 by a partition plate; and a large hopper discharging valve and a small hopper discharging valve are respectively arranged at the bottoms of the large hopper 531 and the small hopper 532. The large hopper discharging valve plate and the small hopper discharging valve plate can be controlled independently. The hopper 53 is spaced to adjust the amount of carbon powder in the composite board. When the large hopper 531 is used alone, the width of the laid carbon crystal powder is larger than when the small hopper 532 is used alone, so that the width of the laid carbon crystal powder is selective.
A vibration motor (not shown) for driving the heat conduction layer installation device 5 to vibrate may be provided outside the heat conduction layer installation device 5. The purpose of setting is to make carbon crystal powder blanking more even, and not setting also can be.
The guiding unit 54 includes, from top to bottom, an arc-shaped guiding plate 541, a lifting poking thorn wheel 542 (the height of the lifting poking thorn wheel 542 is adjustable), and a swingable discharging guide plate 543 (by arranging an adjusting rod 544 capable of moving in parallel below the discharging guide plate 543, the position of the adjustable discharging guide plate 543 is close to the poking thorn wheel 542), where the poking thorn wheel 542 and the arc-shaped guiding plate 541 form a semi-surrounding structure. The addition of the spur wheel 542 is to slow down the fall of the powder and to disperse the powder more evenly.
The heat conducting layer comprises a carbon crystal powder layer. The granularity of the carbon crystal powder is 100 meshes, before the carbon crystal powder is fed, the particles are mixed with a far infrared emitting agent, so that the surface of the particles is covered with a layer of far infrared emitting agent, then the particles are mixed with an adhesive for sizing fibers, and the fibers are covered with the same glue, so that the water content of the particles is 3% -4%.
The paving device can be regulated and controlled by a PCL control system.
The carbon crystal heating wire is connected with a heating control device, and the heating control device is connected with a power supply. The heating control device for controlling the heating work of the carbon crystal heating wire is the prior conventional technology.
The sliding window 6 (the connecting positions of the casing, the feeding barrel 521 and the inverted-L-shaped fixed supporting pipe 411 are on the same horizontal plane, and the sliding window 6 is arranged along the slab conveying direction) can be additionally arranged at the connecting position of the casing 1 and the conductive heating layer paving device, so that the conductive heating layer paving device moves in the casing, and the position of the conductive heating layer in the fiber layer is adjusted.
The paving device of the electric heating composite board is utilized for paving, wood fibers are placed into the fiber blanking opening and then uniformly fall into the slab conveying device 2 through the feeding conveying device 3, a part of dry fibers fall down through the left side of the conductive heating layer paving device, and a part of dry fibers fall down through the right side of the conductive heating layer paving device. Simultaneously, carbon crystal powder enters from the carbon crystal powder feeding area 524, the carbon crystal powder is fed to the hopper 53 through the screw 522, the blanking valve is opened, the adjusting rod 544 adjusts one end of the discharging guide plate 543 to swing upwards to enable the end to be close to the poking thorn wheel 542, and the poking thorn wheel 542 can also be adjusted to lift and enable the carbon crystal powder falling on the discharging guide plate 543 to be close to the discharging guide plate 543, so that the poking thorn wheel 542 just knocks over the carbon crystal powder, the poking thorn wheel 542 strikes the carbon crystal powder to the arc-shaped guide plate 541, and then the carbon crystal powder falls onto the slab conveying device 2 through the carbon crystal powder discharging port 55. Meanwhile, the electric heating wire enters from the inlet of the inverted L-shaped fixed supporting pipe 411, the electric heating wire moves linearly at a uniform speed along the tangential direction of the roller surface by the roller rotation of the inlet section linear conveying roller 412 under the action of friction force, enters the L-shaped bent angle steering roller 414 through the inlet section transition roller 413, is adjusted to be in 90-degree arc motion by uniform speed linear motion, enters the outlet section linear conveying roller 416 after entering the outlet section transition roller 415 under the action of friction force, moves forward at a uniform speed, and conveys the electric heating wire to the automatic shearing mechanism 42 below (the automatic shearing mechanism 42 comprises a shearing cylinder and a shearing knife, and the shearing cylinder drives the shearing knife to move so as to fold in the left-right direction of the shearing knife, thereby completing the shearing work of the electric heating wire), and the electric heating wire is sheared (the length of the electric heating wire is adjusted according to the actual floor needs), and falls on the slab conveying device 2 through the delivery pipe 43. All the rollers are driven by a roller way motor. And finally paving the carbon crystal heating wire fiber composite layer, as shown in fig. 5.
The conductive heating layer paving device divides the fiber into three parts of fibers, the fibers at the right outlet are lower surface paving fibers paved conventionally, the middle carbon crystal heating wire paving layer, and the fibers at the left outlet are upper surface paving fibers paved conventionally.
All paved dry fibers bypass the conductive heating layer paving device, so that the fibers fall on two sides of the carbon crystal heating wire. Under the action of gravity, mechanical force and air turbulence, the carbon crystal heating wire falls on the paving conveyor belt together with other common uniform dry fibers under the downward pressure of the dry fibers which continuously fall down to form a carbon crystal heating wire layer.
The carbon crystal powder heating wire fiber composite layer is sent to a subsequent process through a slab conveying device to be pre-pressed and hot-pressed to form the electric heating composite plate.
The preparation method of the electric heating composite board specifically comprises the steps of wood chipping, fiber preparation, fiber sizing, dry fiber and carbon crystal powder layered paving, prepressing, hot pressing and blank processing.
In the fiber sizing step, the weight ratio of the fiber to the adhesive is 10:1.2, the adhesive is melamine modified urea-formaldehyde resin adhesive, the molar ratio of formaldehyde to urea in the melamine modified urea-formaldehyde resin adhesive is 1.2:1, and melamine accounts for 3% of the specific gravity of the sizing material.
The technological parameters in the hot pressing step are as follows: the hot pressing temperature is 170-230 ℃, the closing time of the hot press is 3 seconds, the hot pressing time is 70 seconds, the hot pressing pressure is 0-2.8 MPa, and the hot pressing coefficient is 8.5 seconds/millimeter.
Through detection, the density of the 9mm low-density composite fiber board prepared in the embodiment is 540 kg/cubic meter, the performance index of the 9mm low-density composite fiber board can reach the performance requirement index of furniture type medium-density fiber board used in a drying state in the national standard of medium-density fiber board (GB/T51718-2009), and the performance index detection value is as follows:
example 2
Unlike in example 1, the hopper 53 of the heat conductive layer paving apparatus 1 is not partitioned into a large hopper 531 and a small hopper 532 by a partition plate, and the material guiding unit 54 is not provided.
The granularity of the carbon crystal powder is 350 meshes, the surface of the particles is covered with a layer of far infrared emitting agent, and then is covered with a layer of glue which is the same as the glue covered by the fiber, and the water content is 3.5%.
Through detection, the density of the 55mm low-density composite fiber board prepared in the embodiment is 550 kg/cubic meter, the performance index of the 55mm low-density composite fiber board can reach the performance requirement index of furniture type medium-density fiber board used in a drying state in the national standard of medium-density fiber board (GB/T51718-2009), and the performance index detection value is as follows:
example 3
Unlike example 2, the heating wire paving devices 4 and the heat conducting layer paving devices 5 are arranged in the outer shell at intervals in parallel, and the number of the heating wire paving devices is 4 and the heating wire paving devices are arranged along the thickness direction of the outer shell.
According to detection, the density of the 18mm low-density composite fiber board prepared by the embodiment is 570 kg/cubic meter, the performance index of the composite fiber board can reach the performance requirement index of furniture type medium-density fiber board used in a drying state in the national standard of medium-density fiber board (GB/T51718-2009), and the performance index detection value is as follows:
while specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a device of mating formation of electric heat composite sheet, includes casing and is located the slab conveyer of casing below, its characterized in that: the electric heating wire feeding device comprises a shell, wherein the shell is internally provided with a fiber feeding conveying device and an electric heating layer paving device from top to bottom in sequence, the electric heating layer paving device comprises an outer shell with a rugby-shaped longitudinal section, the upper end of the outer shell is closed in a pointed mode, the lower end of the outer shell is open, an electric heating wire paving device and a heat conducting layer paving device are arranged in the outer shell at intervals in parallel, the electric heating wire paving device is sequentially provided with an electric heating wire conveying mechanism, an electric heating wire automatic shearing mechanism and an electric heating wire guiding pipe from top to bottom, the heat conducting layer paving device comprises a shell, and a feeding screw conveyor, a hopper and a discharging hole are sequentially arranged in the shell from top to bottom;
the feeding screw conveyor comprises a feeding cylinder and a screw rod positioned in the feeding cylinder, wherein a plurality of discharging through holes are formed at the lower end of the feeding cylinder; the feeding cylinder penetrates through the outer shell and extends to one end or two ends outside the shell, and a feeding area is arranged at one end or two ends of the feeding cylinder;
the hopper is divided into a large hopper and a small hopper by a partition plate; a large hopper discharging valve and a small hopper discharging valve are respectively arranged at the bottoms of the large hopper and the small hopper;
a material guiding unit is arranged between the hopper and the discharge hole, and comprises an arc-shaped material guiding plate, a lifting material poking thorn wheel and a swinging discharge guide plate from top to bottom; one end of the discharging guide plate is close to the stirring thorn wheel, and the stirring thorn wheel and the arc-shaped guide plate form a semi-surrounding structure.
2. The apparatus for laying an electrothermal composite panel according to claim 1, wherein: the shell is provided with a sliding groove or a sliding window at the connection position with the conductive heating layer paving device, so that the conductive heating layer paving device moves in the shell.
3. The apparatus for laying an electrothermal composite panel according to claim 1, wherein: the heating wire conveying mechanism comprises an inverted L-shaped fixed supporting pipe and a steering roller conveying mechanism in the supporting pipe, and an inlet of the supporting pipe penetrates through the outer shell and extends out of the shell.
4. A paving apparatus for an electrothermal composite panel according to claim 3, wherein: the steering roller conveying mechanism comprises an inlet section linear conveying roller, an inlet section transition roller, a bent angle steering roller, an outlet section transition roller and an outlet section linear conveying roller.
5. The apparatus for laying an electrothermal composite panel according to claim 1, wherein: the electric heating wire eduction tube is funnel-shaped with a downward opening.
6. The apparatus for laying an electrothermal composite panel according to claim 1, wherein: the heat conducting layer comprises a carbon crystal powder layer.
7. The apparatus for laying an electrothermal composite panel according to claim 6, wherein: the granularity of the carbon crystal powder is 100-500 meshes, and the particles before feeding the carbon crystal powder are added with far infrared emitting agent for mixing and then are mixed with an adhesive for sizing fibers, so that the water content of the carbon crystal powder is 3-4%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902578.4A CN108748600B (en) | 2018-08-09 | 2018-08-09 | Paving device for electric heating composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902578.4A CN108748600B (en) | 2018-08-09 | 2018-08-09 | Paving device for electric heating composite board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108748600A CN108748600A (en) | 2018-11-06 |
| CN108748600B true CN108748600B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810902578.4A Active CN108748600B (en) | 2018-08-09 | 2018-08-09 | Paving device for electric heating composite board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112476695B (en) * | 2020-11-27 | 2022-05-24 | 菏泽市宁丰木业有限公司 | Paving equipment and paving method thereof |
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