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Spreading device and method for stone powder fiber composite boards

A fiber composite board, stone powder technology, applied in lamination devices, chemical instruments and methods, lamination and other directions, can solve problems such as low production efficiency, pollution, waste of raw materials, etc., to reduce energy consumption, reduce production costs, The effect of improving production efficiency

Pending Publication Date: 2018-11-06
福建省永安林业(集团)股份有限公司永林蓝豹分公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The waste of raw materials in the whole process is serious, and it also costs a lot of labor and auxiliary materials, as well as a large amount of production auxiliary equipment, the production efficiency is not high, and the pollution is serious

Method used

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  • Spreading device and method for stone powder fiber composite boards
  • Spreading device and method for stone powder fiber composite boards
  • Spreading device and method for stone powder fiber composite boards

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] like Figure 1-3 As shown, a pavement device for stone powder fiber composite board includes a feed conveying device, a pavement forming device and a casing, and the pavement forming device includes a stone powder paving device 1 and a casing below the casing. The slab transportation device; the stone powder paving device 1 includes a rugby ball-shaped casing 11 with a longitudinal section, the upper end of the casing 11 is pointed and closed, and the lower end is open. A feeding screw conveyor 12, a hopper 13, a material guide unit 14, and a stone powder outlet 15 are provided in sequence.

[0028] The feeding screw conveyor 12 includes a feeding cylinder 121 and a screw 122 located in the feeding cylinder 121, the lower end of the feeding cylinder 121 is provided with several feeding through holes 123 at intervals; the feeding cylinder 121 runs through the rugby ball shell One end of the body 11 and extending to the outside of the casing is provided with a stone powd...

Embodiment 2

[0045] Different from Embodiment 1, the hopper 13 of the stone powder paving device 1 is not divided into a large hopper 131 and a small hopper 132 by a partition, and there is no material guide unit 14 .

[0046] The stone powder has a particle size of 350 mesh and is covered with a layer of glue that is the same as the fiber covering, with a water content of 3.5%.

[0047] After testing, the density of the 15mm low-density fiberboard prepared in this example is 550 kg / m3, and its performance index can reach the furniture-type medium-density fiberboard used in the dry state in the national standard for medium-density fiberboard (GB / T 11718-2009). The performance requirement index of fiberboard, the detection value of its performance index is as follows:

[0048]

Embodiment 3

[0050] The difference from Example 1 is that the stone powder paving device includes 2 stone powder feeding areas 124 (one left and one right symmetrically arranged), 2 feeding screws 122, 4 large hoppers 131, 4 Small hopper 132, 4 discharge valves for large hoppers, 4 discharge valves for small hoppers, 4 discharge guide plates 143 and corresponding adjustment rods 144, 4 pulleys 142, 4 curved guide plates 141, 1 stone powder outlet 15, the device is provided with a vibrating motor for driving the vibration of the stone powder paving device.

[0051] The stone powder has a particle size of 600 mesh and is covered with a layer of glue that is the same as the fiber covering, with a water content of 4%. ·

[0052] After testing, the density of the 18mm low-density fiberboard prepared in this example is 570 kg / m3, and its performance index can reach the furniture-type medium-density fiberboard used in the dry state in the national standard for medium-density fiberboard (GB / T 117...

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Abstract

The invention relates to a spreading device and method for stone powder fiber composite boards. The spreading device comprises a feeding conveying device, a spreading forming device and a machine shell. The spreading forming device comprises a stone powder spreading device arranged in the machine shell and a slab conveying device arranged under the machine shell. The stone powder spreading devicecomprises a shell body with a rugby-shaped longitudinal section, the upper end of the shell body is closed and in a tip shape, and the lower end of the shell body is open. The shell body comprises a feeding screw conveyor, a hopper and a stone powder discharging opening which are sequentially arranged from top to bottom. A stone powder fiber composite layer paved by the spreading device is sent toa subsequent procedure to prepare the stone powder fiber composite boards. By improving the spreading device and method of the fiberboards, original procedures such as patching of the boards are eliminated, the production efficiency is improved, the energy consumption is reduced, and the production cost is reduced.

Description

technical field [0001] The invention relates to a paving device and a paving method of a stone powder fiber composite board. Background technique [0002] Fiberboard is a kind of man-made board made of wood fiber or other plant fiber as the main raw material, prepared by fiber, applied with adhesive, paved and shaped after the fiber is dried, and then hot-pressed. Classified by bulk density, fiberboard can be divided into high-density fiberboard, medium-density fiberboard, and low-density fiberboard. Due to the uniform material of fiberboard, it is widely used in the processing of furniture, floors, wall panels, packaging boxes, ceilings, etc. [0003] The preparation method of the existing stone powder fiberboard is to dig holes or grooves on the basis of the finished fiberboard, apply glue to the stone powder or stones, or apply glue in the dug holes or wooden grooves, and then put the stone powder or stone The blocks are placed in pockets or grooves, closing the bottom ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/14B27N3/18B32B37/24
CPCB27N3/14B27N3/18B32B37/24
Inventor 陈建新刘翔晖陈德金王永闽郭祥桃伊启中马林吴祖顺管义榕叶新强魏叶满
Owner 福建省永安林业(集团)股份有限公司永林蓝豹分公司
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