CN211640329U - Hot air steam penetration preheating device for medium density fiberboard blank - Google Patents
Hot air steam penetration preheating device for medium density fiberboard blank Download PDFInfo
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- CN211640329U CN211640329U CN201921888039.6U CN201921888039U CN211640329U CN 211640329 U CN211640329 U CN 211640329U CN 201921888039 U CN201921888039 U CN 201921888039U CN 211640329 U CN211640329 U CN 211640329U
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Abstract
The utility model discloses a hot air steam penetration preheating device for a medium density fiberboard blank, which comprises a base, a first net cover plate, a guide rail, a paving box, a second net cover plate, a high pressure steam tank, a pressing board and a lifting device, the base is internally provided with a steam channel which is provided with a plurality of air outlet channels running through the top surface of the base, the first mesh cover plate is positioned on the top surface of the base and covers the air outlet channel, the high-pressure steam tank is connected with a steam pipe, the steam pipe is communicated with the steam channel, the paving box is arranged on the guide rail in a sliding manner, the bottom of the paving box is provided with a paving head, the press plate can be arranged at the top of the first net cover plate in a way of lifting up and down, the elevating gear connects the pressfitting board, the second screen panel is located the bottom of pressfitting board, just the second screen panel with the pressfitting board passes through spring interconnect. This technical scheme is arranged in solving and has inhomogeneous problem in the heating of fine board slab in the current.
Description
Technical Field
The utility model belongs to the technical field of well fine board production facility, concretely relates to hot-blast steam of well fine board slab pierces through preheating device.
Background
The medium density fiberboard is one of density fiberboards, and comprises a long fiberboard and a short fiberboard. The artificial board is made by using wood fiber or other plant fiber as raw material, breaking, separating fiber, drying, applying urea-formaldehyde resin or other suitable adhesives, and hot pressing. During the manufacturing process, adhesives and/or additives may be applied. The fiber board has the advantages of uniform material, small longitudinal and transverse strength difference, difficult cracking and the like, and has wide application. The 1 cubic meter medium density fiberboard needs 2.5 to 3 cubic meters of wood to manufacture, and can replace 3 cubic meters of sawn timber or 5 cubic meters of log. The development of fiberboard production is an effective way for the comprehensive utilization of wood resources.
The production of medium density fiberboard usually needs to pave the fiber and form the slab, after paving, need preheat, carry out hot briquetting again, traditional preheating is from outside to inside heat transfer naturally, and the effect is poor, preheats inhomogeneous, especially the board is inside, influences the intensity after the hot pressing.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model provides a well fine board slab steam penetrates preheating device to solve and to have inhomogeneous problem in the fine board slab heating now, this well fine board slab steam penetrates preheating device and can improve the rate of heating of slab, guarantees the homogeneity of core temperature and outside temperature simultaneously.
The utility model provides a medium density fiberboard plate blank hot air steam penetration preheating device, which comprises a base, a first net cover plate, a guide rail, a paving box, a second net cover plate, a high pressure steam tank, a pressing plate and a lifting device, wherein a steam channel is arranged in the base, the steam channel is provided with a plurality of air outlet channels communicated with the top surface of the base, the first net cover plate is positioned on the top surface of the base and covers the air outlet channels, the high pressure steam tank is connected with a steam pipe, the steam pipe is communicated with the steam channel, the guide rail is horizontally arranged on the top side surface of the base, the paving box is arranged on the guide rail in a sliding way, the bottom of the paving box is provided with a paving head, the paving head is driven to move on the top of the first net cover plate by the sliding of the paving box on the guide rail, the pressing plate can be arranged on the top of the first net cover plate in a lifting, the elevating gear connects the pressfitting board, the second screen panel is located the bottom of pressfitting board, just the second screen panel with the pressfitting board passes through spring interconnect.
Further, the lifting device is a hydraulic lifting device.
Further, a heating device is arranged in the high-pressure steam tank, and a pressure control valve is arranged at the top of the high-pressure steam tank.
Furthermore, a control valve is arranged on the steam pipe.
This well fine board slab hot-blast steam pierces through preheating device when the fine board hot pressing, with wood fibre loading in the case of mating formation, through the box of mating formation is in displacement on the guide rail passes through wood fibre on the first mesh cover plate of mating formation of the shop head, form the slab, will mate the case and remove outside the scope of first mesh cover plate, will press down the plywood simultaneously, with second mesh cover plate pressfitting on the slab, start high-pressure steam jar lets in high-pressure steam among the steam passage, utilize fibrous gas permeability, high-pressure steam via in the steam passage first mesh cover plate high pressure spouts steam, evenly preheats the inside fibre of slab, improves and preheats the sufficiency, and then improves hot-pressing strength.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hot air steam penetration preheating device for a medium density fiberboard blank.
Detailed Description
The utility model discloses a well fine board slab steam heater penetrates preheating device, this well fine board slab steam heater penetrates preheating device and can improve the rate of heating of slab, guarantees the homogeneity of core temperature and outside temperature simultaneously.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model discloses a medium density fiberboard slab hot air steam penetration preheating device, which comprises a base 6, a first mesh cover plate 10, a guide rail 16, a paving box 3, a second mesh cover plate 9, a high pressure steam tank 12, a pressing plate 2 and a lifting device 1, wherein a steam channel 7 is arranged in the base 6, the steam channel 7 is provided with a plurality of air outlet channels 5 penetrating through the top surface of the base 6, the first mesh cover plate 10 is arranged on the top surface of the base 6 and covers the air outlet channels 5, the high pressure steam tank 12 is connected with a steam pipe 15, the steam pipe 15 is communicated with the steam channel 7, the guide rail 16 is horizontally arranged on the top side surface of the base 6, the paving box 3 is slidably arranged on the guide rail 16, the bottom of the paving box 3 is provided with a paving head 4, the paving box 3 slides on the guide rail 16 to drive the paving head 4 to move on the top of the first mesh 10, pressfitting board 2 can set up with oscilaltion in the top of first net cover plate 10, elevating gear 1 is connected pressfitting board 2, second net cover plate 9 is located pressfitting board 2's bottom, just second net cover plate 9 with pressfitting board 2 passes through spring 8 interconnect.
The lifting device 1 is a hydraulic lifting device.
A heating device 13 is arranged in the high-pressure steam tank 12, and a pressure control valve 11 is arranged at the top of the high-pressure steam tank 12.
The steam pipe 15 is provided with a control valve 14.
This well fine board slab hot-blast steam pierces through preheating device when the fine board hot pressing, with wood fibre loading in the case of mating formation, through the box of mating formation is in displacement on the guide rail passes through wood fibre on the first mesh cover plate of mating formation of the shop head, form the slab, will mate the case and remove outside the scope of first mesh cover plate, will press down the plywood simultaneously, with second mesh cover plate pressfitting on the slab, start high-pressure steam jar lets in high-pressure steam among the steam passage, utilize fibrous gas permeability, high-pressure steam via in the steam passage first mesh cover plate high pressure spouts steam, evenly preheats the inside fibre of slab, improves and preheats the sufficiency, and then improves hot-pressing strength.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (4)
1. A preheating device for penetrating hot air steam of a medium density fiberboard slab is characterized by comprising a base, a first net cover plate, a guide rail, a paving box, a second net cover plate, a high-pressure steam tank, a pressing plate and a lifting device, wherein a steam channel is arranged in the base, the steam channel is provided with a plurality of air outlet channels communicated with the top surface of the base, the first net cover plate is positioned on the top surface of the base and covers the air outlet channels, the high-pressure steam tank is connected with a steam pipe, the steam pipe is communicated with the steam channel, the guide rail is horizontally arranged on the top side surface of the base, the paving box is arranged on the guide rail in a sliding manner, a paving head is arranged at the bottom of the paving box, the paving box slides on the guide rail to drive the paving head to move at the top of the first net cover plate, and the pressing plate can be arranged at the top of the first net cover plate in a lifting, the elevating gear connects the pressfitting board, the second screen panel is located the bottom of pressfitting board, just the second screen panel with the pressfitting board passes through spring interconnect.
2. The apparatus according to claim 1, wherein the lifting device is a hydraulic lifting device.
3. The device of claim 1, wherein the high pressure steam tank is provided with a heating device and a pressure control valve at the top.
4. The apparatus of claim 1, wherein the steam pipe is provided with a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888039.6U CN211640329U (en) | 2019-11-04 | 2019-11-04 | Hot air steam penetration preheating device for medium density fiberboard blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888039.6U CN211640329U (en) | 2019-11-04 | 2019-11-04 | Hot air steam penetration preheating device for medium density fiberboard blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211640329U true CN211640329U (en) | 2020-10-09 |
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ID=72691551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921888039.6U Active CN211640329U (en) | 2019-11-04 | 2019-11-04 | Hot air steam penetration preheating device for medium density fiberboard blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211640329U (en) |
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2019
- 2019-11-04 CN CN201921888039.6U patent/CN211640329U/en active Active
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