CN219334555U - Shaving board production raw materials screening system - Google Patents

Abstract

The utility model discloses a screening system for raw materials in particle board production, which comprises a material distribution device, a No. I conveying belt, a roller screen, a No. II conveying belt, a winnowing device and a cyclone separator, wherein a material guide outlet of the material distribution device is positioned above a material inlet end of the No. I conveying belt, a material outlet end of the No. I conveying belt is connected to the material inlet end of the roller screen, a de-ironing device is arranged on the No. I conveying belt, a fine material outlet of the roller screen is positioned above the material inlet end of the No. II conveying belt, the material outlet end of the No. II conveying belt is connected to a material inlet of the winnowing device, an air suction pipe of the winnowing device is connected with an air inlet of the cyclone separator, an air outlet of the cyclone separator is connected with a tail gas dust remover through an induced air pipe, and a negative-pressure fan is connected and arranged on the induced air pipe. The screening system for the raw materials for producing the shaving board has high production efficiency, and can automatically sort sundries, dust and qualified raw materials in raw materials used for producing the shaving board.

Description

Shaving board production raw materials screening system

Technical Field

The utility model relates to the technical field of shaving board production, in particular to a screening system for shaving board production raw materials.

Background

The shaving board is one of the artificial boards, and the shaving board is #)Particleboard) The wood-plastic composite board is made up by using wood or other lignocellulose as basic material and making wood shavings (crushed aggregates), and applying adhesive, and making them be glued under the action of temperature and pressure. Because the wood shaving board structure is relatively uniform, the processing performance is good, the wood shaving board can be processed into large-breadth boards according to the needs, and the wood shaving board can be widely applied to the fields of furniture, offices, wood floors, interior decoration and the like, and can also be applied to the building industry and the manufacturing of trains and automobile carriages.

The raw materials for manufacturing the shaving board comprise wood particles or wood fiber materials, adhesive and additives, wherein the wood particles or wood fiber materials account for about 90% of the dry weight of the board, and the adhesive and the additives account for about 10%; the wood crushed aggregates are mainly obtained from woodland timber, small diameter timber, cutting residues, wood processing residues and the like. Wood particles include chips, shavings, strands, sawdust, etc. in the form of flakes, strips, needles, grains.

Along with the shortage of wood materials, raw materials for chipboard production are also more and more intense, so that raw materials for modern chipboard production are more in variety, a plurality of enterprises directly purchase wood chips and plant shavings, raw materials are different in specification, sundries are more, sundries, dust and qualified raw materials are required to be sorted out for ensuring product quality, along with the development of chipboard industry and the adjustment of an industrial structure, the single-line productivity of the chipboard is continuously increased, and common screening equipment is difficult to meet the production requirement, so that a screening system capable of meeting the production requirement is required to be designed.

Disclosure of Invention

The utility model aims to provide a screening system for raw materials for producing shaving boards, which has high production efficiency and can automatically separate sundries, dust and qualified raw materials from raw materials for producing shaving boards.

In order to achieve the purpose of the utility model, the technical scheme adopted is as follows:

the utility model provides a shaving board production raw materials screening system, its includes distributing device, no. I conveyer belt, drum sieve, no. II conveyer belt, wind selector and cyclone, distributing device's guide export be located the top of the feed end of No. I conveyer belt, the discharge end of No. I conveyer belt is connected to the feed end of drum sieve, install the de-ironing separator on the No. I conveyer belt, the fine material export of drum sieve is located the top of the feed end of No. II conveyer belt, coarse fodder is discharged from the coarse fodder export after drum sieve screening, the fine material is discharged to No. II conveyer belt from the fine material export on, the discharge end of No. II conveyer belt is connected to wind selector's feed inlet, wind-sucking pipe and cyclone's air intake are connected, cyclone's air outlet is connected with tail gas dust remover through the induced air pipe, connect on the induced-draught pipe and install negative pressure fan.

Further preferred is: the air separation device comprises a blanking channel, an air separation bin and an air suction pipe, wherein a blanking stirrer is arranged in the air separation bin, the blanking stirrer comprises a rotating shaft driven by a motor, stirring blades are arranged on the rotating shaft, a discharging conveyor is arranged at the bottom of the blanking stirrer, the air separation bin above the blanking stirrer is respectively communicated with the blanking channel and the air suction pipe, the bottom of the blanking channel is communicated with the air separation bin, the upper part of the blanking channel is connected with the discharge end of a No. II conveying belt, the bottom of the air suction pipe is communicated with the air separation bin, and the air outlet end of the air suction pipe is connected with an air inlet of a cyclone separator.

Further preferred is: and a star-shaped blanking device is arranged in the blanking channel.

Further preferred is: the material distribution device comprises a frame, wherein a material distribution bin with upper ends and lower ends being open is arranged on the frame, a material distribution conveyor is connected to the bottom of the material distribution bin along the length direction of the material distribution bin, a material guide outlet is arranged below the material distribution bin at the material distribution end of the material distribution conveyor, a plurality of material scraping rotating shafts are transversely arranged in the material distribution bin at the material distribution end of the material distribution conveyor in an up-down structure, a plurality of material scraping blades are arranged on the material scraping rotating shafts, the plurality of material scraping rotating shafts are linked through chain wheels and chains, one material scraping rotating shaft is connected with a chain driving device, the chain driving device is driven through the chain driving device, the chain driving device comprises a motor, a speed reducer, a driving chain and a driving sprocket, the driving sprocket is arranged on the material scraping rotating shaft, the driving chain is connected between the driving sprocket and the chain wheel on an output shaft of the speed reducer, and the motor is connected with a power input shaft of the speed reducer.

This shaving board production raw materials screening system is through setting up the screening system that installs distributing device, no. I conveyer belt, the trommel, no. II conveyer belt, wind selector and cyclone etc. form one set of shaving board production raw materials, screening production efficiency is high, can continuous production, utilize distributing device to evenly arrange the shaving board production raw materials to No. I conveyer belt, carry to the trommel through No. I conveyer belt, iron impurity magnetic separation is carried through the deironing ware in the transportation process, coarse material and fine material separation through the trommel, fine material is discharged on No. II conveyer belt from the fine material export, carry to wind selector through No. II conveyer belt, utilize wind-force that negative pressure fan provided to separate wind selector's grit and qualified fine material, discharge from the selection by wind storehouse bottom, qualified fine material is carried through cyclone and wind separation backup to produce, contain fine dust in the tail gas, discharge atmosphere after the tail gas dust remover adsorption dust removal.

Drawings

FIG. 1 is a schematic diagram of the arrangement of the screening system for raw materials for particle board production;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic structural view of the distributing device;

FIG. 4 is a schematic rear view of FIG. 3;

the names corresponding to the serial numbers in the figures are:

1. the device comprises a material distribution device, a No. 2 conveyer belt, a No. 3 iron remover, a No. 4 conveyer belt, a rotary screen, a No. 5 conveyer belt, a fine material outlet, a No. 6 conveyer belt, a coarse material outlet, a No. 7 conveyer belt, a No. II conveyer belt, a No. 8 conveyer belt, a blanking channel, a No. 9 conveyer belt, a No. 10 conveyer belt, a blanking stirrer, a No. 11 conveyer belt, a winnowing bin, a No. 12 conveyer belt, an air suction pipe, a No. 13 conveyer belt, a cyclone separator, a No. 14 conveyer belt, a star-shaped discharger, a No. 15 conveyer belt, an induced draft pipe, a No. 16 negative pressure fan, a No. 17 conveyer belt, a tail gas dust remover, a No. 18 conveyer belt, a frame, a No. 19, a material guiding outlet, a No. 20, a sprocket, a No. 21, a chain, a 22, a chain driving device, a No. 23, a material distribution bin, a No. 24, a material conveyer belt, a No. 25, a scraping rotating shaft, a No. 26 and scraping blades.

Detailed Description

In order to make the technical scheme and advantages of the present application more clear, the technical scheme is clearly and completely described below with reference to the embodiments.

Example 1

The utility model provides a shaving board production raw materials screening system, its includes distributing device 1, I conveyer belt 2, drum screen 4, II conveyer belt 7, wind selector and cyclone 13, the guide outlet 19 of distributing device 1 be located the top of the feed end of I conveyer belt 2, the discharge end of I conveyer belt 2 is connected to the feed end of drum screen 4, install the de-ironing separator 3 on the I conveyer belt 2, the fine material export 5 of drum screen 4 is located the top of the feed end of II conveyer belt 7, coarse material is discharged from coarse material export 6 after sieving through drum screen 4, the fine material is discharged to II conveyer belt 7 from fine material export 5, the discharge end of II conveyer belt 7 is connected to wind selector's feed inlet, wind suction pipe 12 and cyclone 13's air intake connection of wind selector, cyclone 13's air outlet is connected with dust remover 17 through wind guide pipe 15, connect and install negative pressure fan 15 on the wind guide pipe 15.

The air separation device comprises a blanking channel 8, an air separation bin 11 and an air suction pipe 12, wherein a blanking stirrer 10 is arranged in the air separation bin 11, a discharging conveyor 9 is arranged at the bottom of the blanking stirrer 10, a motor-driven rotating shaft is arranged on the blanking stirrer 10, stirring blades are arranged on the rotating shaft, the air separation bin 11 above the blanking stirrer 10 is respectively communicated with the blanking channel 8 and the air suction pipe 12, the bottom of the blanking channel 8 is communicated with the air separation bin 11, the upper part of the blanking channel 8 is connected with the discharge end of a II-type conveying belt 7, the bottom of the air suction pipe 12 is communicated with the air separation bin 11, and the air outlet end of the air suction pipe 12 is connected with an air inlet of a cyclone separator 13.

The blanking channel 8 is internally provided with a star-shaped blanking device 14.

The material distribution device 1 comprises a frame 18, a material distribution bin 23 with upper and lower ends open is arranged on the frame 18, a material distribution conveyor 24 is connected to the bottom of the material distribution bin 23 along the length direction of the material distribution bin 23, a material guide outlet 19 is arranged below the material distribution bin 23 at the discharge end of the material distribution conveyor 24, a plurality of material scraping rotating shafts 25 are transversely arranged in the material distribution bin 23 at the discharge end of the material distribution conveyor 24 in an up-down structure, a plurality of material scraping blades 26 are arranged on the material scraping rotating shafts 25, the material scraping rotating shafts 25 are in linkage through chain wheels 20 and chains 21, one material scraping rotating shaft 25 is connected with a chain driving device 22 and is driven by the chain driving device 22, the chain driving device 21 comprises a motor, a speed reducer, a driving chain and a driving sprocket, the driving sprocket is arranged on the material scraping rotating shafts 24, the driving chain is connected between the driving sprocket and a sprocket on an output shaft of the speed reducer, and the motor is connected with a power input shaft of the speed reducer.

The working principle of the shaving board production raw material screening system is as follows: the materials to be screened are shoveled into a material distributing bin 23 by utilizing a loading truck, then the materials in the material distributing bin 23 are uniformly discharged onto a No. I conveying belt 2 from a material guiding outlet 19 through the work of a material distributing conveyor 24 and a material scraping rotating shaft 25, the materials are conveyed to a rotary screen 4 through the No. I conveying belt 2, iron impurities are magnetically separated through a de-ironing separator 3 in the conveying process, coarse materials and fine materials are separated through the rotary screen 4, fine materials are discharged onto a No. II conveying belt 7 from a fine material outlet 5, coarse materials are discharged from a coarse material outlet 6, are conveyed into a blanking channel 8 through the No. II conveying belt 7 to a wind selecting device, are stirred and fall down by a star-shaped blanking device 14 when falling into a wind selecting bin 11, are stirred and scattered by a blanking stirrer 10, qualified fine materials are guided and discharged to a cyclone separator 13 from the wind power provided by a negative pressure fan 16, the qualified fine materials and wind power are separated through the cyclone separator 13, the fine materials are conveyed to be used for production, the sand and the dust are fallen from the blanking stirrer 10, the dust is discharged from the blanking stirrer 9 to the wind separator, and the dust is prevented from being accumulated and adsorbed by the dust removing tail gas.

The above description is not intended to limit the present application to the particular embodiments disclosed, but is not intended to limit the scope of the present application to such modifications, adaptations, additions or substitutions as would be within the spirit and scope of the present application.

Claims (4)

1. A shaving board production raw materials screening system which characterized in that: including distributing device (1), I conveyer belt (2), drum sieve (4), II conveyer belt (7), wind selector and cyclone (13), the guide outlet (19) of distributing device (1) be located the top of the feed end of I conveyer belt (2), the discharge end of I conveyer belt (2) is connected to the feed end of drum sieve (4), install iron remover (3) on I conveyer belt (2), the fine material export (5) of drum sieve (4) are located the top of the feed end of II conveyer belt (7), the discharge end of II conveyer belt (7) is connected to wind selector's feed inlet, wind sucking pipe (12) and cyclone (13) air intake connection of wind selector (13), the air outlet of cyclone (13) is connected with tail gas dust remover (17) through induced duct (15), be connected with negative pressure fan (16) on induced duct (15).

2. The particle board production raw material screening system according to claim 1, wherein: the air separation device comprises a blanking channel (8), an air separation bin (11) and an air suction pipe (12), wherein a blanking stirrer (10) is arranged in the air separation bin (11), a discharging conveyor (9) is arranged at the bottom of the blanking stirrer (10), the air separation bin (11) above the blanking stirrer (10) is respectively communicated with the blanking channel (8) and the air suction pipe (12), the bottom of the blanking channel (8) is communicated with the air separation bin (11), the upper part of the blanking channel (8) is connected with the discharge end of a II-type conveying belt (7), the bottom of the air suction pipe (12) is communicated with the air separation bin (11), and the air outlet end of the air suction pipe (12) is connected with the air inlet of a cyclone separator (13).

3. The particle board production raw material screening system according to claim 2, wherein: the blanking channel (8) is internally provided with a star-shaped blanking device (14).

4. The particle board production raw material screening system according to claim 1, wherein: the material distribution device (1) comprises a frame (18), a material distribution bin (23) with upper ends and lower ends being open is arranged on the frame (18), a material distribution conveyor (24) is connected to the bottom of the material distribution bin (23) along the length direction of the material distribution bin (23), a material guide outlet (19) is arranged below the material distribution bin (23) with the material distribution conveyor (24) at the material distribution end, a plurality of material scraping rotating shafts (25) are transversely arranged in the material distribution bin (23) with the material distribution end (24) in an up-down structure, a plurality of material scraping blades (26) are arranged on the material scraping rotating shafts (25), a plurality of material scraping rotating shafts (25) are linked through chain wheels (20) and chains (21), and one material scraping rotating shaft (25) is connected with a chain driving device (22) and is driven through the chain driving device (22).

Images