CN212370571U

CN212370571U - Sawdust screening desiccator

Info

Publication number: CN212370571U
Application number: CN202021015939.2U
Authority: CN
Inventors: 唐标貌
Original assignee: Dare Wood Based Panel Group Co ltd; Dare Wood Industrial Maoming Co ltd
Current assignee: Dare Wood Based Panel Group Co ltd; Dare Wood Industrial Maoming Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-19
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a sawdust screening dryer, which belongs to the field of wood processing equipment and comprises a base, wherein the top of the base is sequentially communicated with a feed bin, a coarse scrap filter chamber, a fine scrap filter chamber and a powder collecting chamber from top to bottom; the feeding bin is internally provided with a crushing mechanism and a heating mechanism positioned above the crushing mechanism; a coarse filter screen allowing fine scraps and powder to pass through is arranged at the bottom of the inner cavity of the coarse scrap filter chamber; a fine filter screen which only allows powder to pass through is arranged at the bottom of the inner cavity of the fine dust filter chamber; the bottom of the powder collecting chamber is provided with a powder discharge port; the left side walls of the coarse dust filtering chamber and the fine dust filtering chamber are respectively hinged with a discharging door through a spring hinge, and the right side walls are respectively provided with a discharging mechanism for discharging the saw dust; the right side wall of the powder collection chamber is attached with a vibration motor. The problem of traditional saw-dust screening installation screening speed slow, screening effect is poor, can not carry out drying process to the saw-dust moreover is solved.

Description

Sawdust screening desiccator

Technical Field

The utility model relates to a screening installation, in particular to screening drying equipment of screening saw-dust belongs to wood working equipment field.

Background

The wood dust refers to sawdust and wood shavings powder left after wood processing. It is mainly used as fuel and filler for light bone, or compounded into artificial board, such as medium density fiberboard. Can also be used as paper making raw material. The saw-dust is when screening processing, generally need separate thin saw-dust and thick saw-dust, and thin saw-dust sieves out, and thick saw-dust leaves, and current saw-dust screening mode sieves through artificial mode not, just sieves through simple instrument, and not only the speed of screening is slow, and it is poor to filter the effect moreover, can not satisfy the needs of follow-up production completely. Meanwhile, the existing screening tool can not dry the wood chips while screening.

The patent with publication number CN206803697U discloses a novel saw-dust screening dust removal drying device, comprising a main body, the spiral screen pipe, dust removal motor and electric heater, the bottom outer wall fixed welding of main part has the stabilizer blade, the spiral screen pipe is installed in the inner chamber of main part, the inner wall fixed connection of spiral screen pipe and main part, open top one side of main part has the feed inlet, the fixed welding in below of feed inlet has the baffle box, inside the end of baffle box stretched into the top port of spiral screen pipe, the upper end lateral wall of main part is fixed and is hung the dust removal motor, the dust removal motor rotates through the dwang and is connected with dust removal fan, the surface top fixed mounting of main part has vibrating motor, vibrating motor passes through universal driving shaft and spiral screen pipe fixed connection, fixed mounting has electric heater in the casing of main part, open the. The problem of can not dry the saw-dust simultaneously when solving the dust removal, the drying device saw-dust that has now moreover is shorter through drying device's route, and drying time is short, and is dry inadequately is solved.

The patent application with the publication number of CN110978188A discloses a waste wood processing device for solid wood furniture processing, waste wood is primarily crushed by a coarse crushing mechanism, a first crushing plate and a second crushing plate move oppositely through rotation of a bidirectional threaded rod, the coarsely crushed wood is crushed again, the crushing efficiency is improved, a screening layer is arranged below a fine crushing mechanism, the screening layer is provided with a screen plate, the crushed wood can fall down when the crushed size of the wood is smaller than the diameter of a through hole of the screen plate, otherwise, the crushed wood is repeatedly cut by the fine crushing mechanism until the crushed wood can pass through the screen plate, the size of the crushed wood is controlled, the crushed wood is ensured to reach the recycling size, reprocessing operation is omitted, the wood chips which accord with recycling are fallen to a drying layer through the screen plate, the wood chips are irradiated and heated by a heating lamp of the drying layer, the wood chips are fully dried, and the wood chips can be directly recycled after being discharged, no re-drying process is required.

Patent publication No. CN206803697U mainly increases the wood chip drying distance through spiral screen pipe, but can only realize first grade screening, and patent application publication No. CN110978188A realizes the screening drying function, but can not adjust the drying temperature and hot air quantity, and the operation is inflexible, is not favorable for energy-saving and pertinence screening of various wood chips.

SUMMERY OF THE UTILITY MODEL

Defect to prior art existence, the utility model aims to provide a saw-dust screening desiccator solves current saw-dust screening equipment screening efficiency low, can not carry out dry problem to the saw-dust.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sawdust screening dryer comprises a base, wherein the top of the base is sequentially communicated with a feed bin, a coarse sawdust filter chamber, a fine sawdust filter chamber and a powder collecting chamber from top to bottom; the feeding bin is internally provided with a crushing mechanism and a heating mechanism positioned above the crushing mechanism, the crushing mechanism comprises a driving motor and a crushing gear, the driving motor is fixedly connected to the inner wall of the feeding bin, and the crushing gear is fixedly connected with the output end of the driving motor; the heating mechanism comprises a high-pressure hot air blower and a rotary material shifting rod group, and the high-pressure hot air blower is connected with the side wall of the feeding bin through a connecting pipe; the rotary material stirring rod group is positioned between the crushing gear and the high-pressure air heater; a temperature sensor is arranged on the side wall of the feed bin; a coarse filter screen allowing fine scraps and powder to pass through is arranged at the bottom of the inner cavity of the coarse scrap filter chamber; a fine filter screen which only allows powder to pass through is arranged at the bottom of the inner cavity of the fine dust filter chamber; the bottom of the powder collecting chamber is provided with a powder discharge port; the left side walls of the coarse dust filtering chamber and the fine dust filtering chamber are respectively provided with a discharge door in a hinged mode through a spring hinge, and the discharge doors are opened at the bottoms; the right side walls of the coarse dust filtering chamber and the fine dust filtering chamber are respectively provided with a discharging mechanism for discharging the wood dust; a vibration motor is attached to the right side wall of the powder collection chamber; the discharging mechanism comprises a material pushing cylinder, a left side telescopic end of the material pushing cylinder is connected with a material pushing plate, a left side wall of the material pushing plate is fixedly connected with a top door rod, and a top door roller is installed at the left end of the top door rod.

In a preferred embodiment, the high-pressure air heater is provided with an air volume regulating valve.

In a preferred embodiment, a feed inlet is arranged above the feeding bin, and the feed inlet is a funnel-type feed inlet.

In a preferred embodiment, the inner wall of the feeding bin is fixedly connected with a dust adsorption net.

In a preferred embodiment, a damper spring is provided between the base and the powder collection chamber.

The during operation, only need pour the saw-dust into by the pan feeding storehouse, earlier through crushing mechanism breakage, make the saw-dust broken to suitable size, then heat the drying, make things convenient for the subsequent processing of saw-dust, under vibrating motor's vibrations effect, the saw-dust loops through coarse filtration net and thin filter screen sieve and divide into thick saw-dust, thin saw-dust, and three types of powder saw-dust, the screening classification is clear and definite, advance during the screening and can go on according to batch synchronization, work efficiency is high, through the high pressure air heater and the rotatory material pole group of dialling that set up, can dry the saw-dust, make the moisture rapid evaporation in the saw-dust.

The beneficial effects of the utility model reside in that: the utility model provides a saw-dust screening desiccator, it is slow to have solved the speed that traditional saw-dust screening installation screened, and the screening effect is poor, can not carry out drying process's problem to the saw-dust moreover.

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 are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for a person skilled in the art to obtain other similar or equivalent technical solutions without creative efforts based on these drawings and the related text descriptions. In the drawings:

fig. 1 is the structure schematic diagram of the utility model discloses a saw-dust screening desiccator.

The attached drawings are as follows:

1. a base; 2. feeding into a storage bin; 3. a coarse dust filtering chamber; 4. a fines filtration chamber; 5. a powder collection chamber; 6. crushing the gear; 7. a heating mechanism; 701. a high pressure hot air blower; 702. rotating the material stirring rod group; 8. a temperature sensor; 9. a coarse filter screen; 10. a fine filter screen; 11. a powder discharge port; 12. a discharge gate; 13. a discharge mechanism; 1301. a material pushing cylinder; 1302. a material pushing plate; 1303. a door prop rod; 1304. a door jacking roller; 14. an air volume adjusting valve; 15. a feed inlet; 16. a damping spring.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or solutions in the prior art, the present invention will now be described more fully hereinafter with reference to the accompanying drawings, which illustrate embodiments of the invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these examples provide those skilled in the art with an understanding of the technical solutions of the present invention.

Unless otherwise defined, terms (including technical and scientific terms) used herein should be construed to have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art, and should not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1, the structure schematic diagram of the sawdust screening dryer of the present invention is disclosed, comprising a base 1, wherein the top of the base 1 is sequentially communicated with a feed bin 2, a coarse sawdust filter chamber 3, a fine sawdust filter chamber 4 and a powder collecting chamber 5 from top to bottom; a crushing mechanism and a heating mechanism 7 positioned above the crushing mechanism are arranged in the feed bin 2, the crushing mechanism comprises a driving motor (not shown in the figure) and a crushing gear 6, the driving motor is fixedly connected to the inner wall of the feed bin 2, and the crushing gear 6 is fixedly connected with the output end of the driving motor; the heating mechanism 7 comprises a high-pressure hot air blower 701 and a rotary material shifting rod group 702, and the high-pressure hot air blower 701 is connected with the side wall of the feed bin 2 through a connecting pipe; the rotary material stirring rod group 702 is positioned between the crushing gear 6 and the high-pressure hot air blower 701; a temperature sensor 8 is arranged on the side wall of the feeding bin 2; a coarse filter screen 9 allowing fine scraps and powder to pass through is arranged at the bottom of the inner cavity of the coarse scrap filter chamber 3; the bottom of the inner cavity of the fine dust filtering chamber 4 is provided with a fine filtering net 10 which only allows powder to pass through; the bottom of the powder collecting chamber 5 is provided with a powder discharge port 11; the left side walls of the coarse dust filtering chamber 3 and the fine dust filtering chamber 4 are respectively provided with a discharge door 12 in a hinged mode through a spring hinge, and the discharge doors 12 are opened at the bottoms; the right side walls of the coarse dust filtering chamber 3 and the fine dust filtering chamber 4 are respectively provided with a discharging mechanism 13 for discharging the wood dust; a vibration motor (not shown in the figure) is attached to the right side wall of the powder collecting chamber 5; the discharging mechanism 13 comprises a material pushing cylinder 1301, a material pushing plate 1302 is connected to the left side telescopic end of the material pushing cylinder 1301, a top door rod 1303 is fixedly connected to the left side wall of the material pushing plate 1302, and a top door roller 1304 is installed at the left end of the top door rod 1303.

In a preferred embodiment, in order to further realize the air volume control, the high pressure hot air blower 701 is provided with an air volume regulating valve 14.

In a preferred embodiment, a feed inlet 15 is arranged above the feed bin 2, and the feed inlet 15 is a funnel-type feed inlet.

In a preferred embodiment, a dust adsorption net is fixedly connected to the inner wall of the feeding bin 2.

In a preferred embodiment, a damper spring 16 is provided between the base 1 and the powder collection chamber 5.

The during operation, only need pour the saw-dust into by pan feeding storehouse 2, earlier through crushing mechanism breakage, make the saw-dust broken suitable size, then heat the drying, make things convenient for the subsequent processing of saw-dust, under vibrating motor's vibrations effect, the saw-dust loops through coarse filtration net 9 and fine filtration net 10 screening branch for coarse wood-dust, fine wood-dust, and three types of powder saw-dust, the screening classification is clear and definite, advance during the screening and can go on according to batch synchronization, work efficiency is high, high pressure hot-blast fan 701 and rotatory stirring rod group 702 through setting up, can dry the saw-dust, make the moisture rapid evaporation in the saw-dust.

When the device is used, the vibration motor is started, mixed sawdust to be screened is poured into the feeding bin 2 in batches, the sawdust falls from the feeding bin 2, is firstly crushed by the crushing mechanism, then is fully heated under the action of the rotary material shifting rod group 702, and reaches the powder collecting chamber 5 through the coarse filter screen 9 and the fine filter screen 10 under the vibration action of the vibration motor, because the coarse filter screen 9 allows fine sawdust and sawdust powder to pass through, larger coarse sawdust after screening is left in the coarse sawdust filter chamber 3, because the fine filter screen 10 only allows sawdust powder to pass through, smaller fine sawdust after screening is left in the fine sawdust 4, finally the remaining sawdust powder falls into the powder collecting chamber 5, the sawdust powder after screening extends out through the material pushing cylinder 1301 in the material discharging mechanism 13 to drive the material pushing plate 1302 to push left, the door jacking roller 1304 on the left side of the material pushing plate 1302 can push the material discharging door 12 open, meanwhile, as the material pushing plate 1302 pushes left, the wood chips in the coarse dust filtering chamber 3 and the fine dust filtering chamber 4 are pushed to the left end of the chamber until being completely discharged out of the chamber, and during the period, when the temperature in the feeding bin 2 is too high or too low, the temperature sensor 8 sends a signal, and the staff can control the flow of hot air by adjusting the air volume adjusting valve 14.

While the invention has been described herein with reference to particular aspects, features and exemplary embodiments of the invention, it will be understood that the utility of the invention is not thus limited, but extends to and encompasses numerous other variations, modifications and alternative embodiments, as will suggest themselves to those of ordinary skill in the art based on the disclosure herein. Accordingly, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a saw-dust screening desiccator, includes the base, its characterized in that: the top of the base is sequentially communicated with a feed bin, a coarse dust filtering chamber, a fine dust filtering chamber and a powder collecting chamber from top to bottom; the feeding bin is internally provided with a crushing mechanism and a heating mechanism positioned above the crushing mechanism, the crushing mechanism comprises a driving motor and a crushing gear, the driving motor is fixedly connected to the inner wall of the feeding bin, and the crushing gear is fixedly connected with the output end of the driving motor; the heating mechanism comprises a high-pressure hot air blower and a rotary material shifting rod group, and the high-pressure hot air blower is connected with the side wall of the feeding bin through a connecting pipe; the rotary material stirring rod group is positioned between the crushing gear and the high-pressure air heater; a temperature sensor is arranged on the side wall of the feed bin; a coarse filter screen allowing fine scraps and powder to pass through is arranged at the bottom of the inner cavity of the coarse scrap filter chamber; a fine filter screen which only allows powder to pass through is arranged at the bottom of the inner cavity of the fine dust filter chamber; the bottom of the powder collecting chamber is provided with a powder discharge port; the left side walls of the coarse dust filtering chamber and the fine dust filtering chamber are respectively provided with a discharge door in a hinged mode through a spring hinge, and the discharge doors are opened at the bottoms; the right side walls of the coarse dust filtering chamber and the fine dust filtering chamber are respectively provided with a discharging mechanism for discharging the wood dust; a vibration motor is attached to the right side wall of the powder collection chamber; the discharging mechanism comprises a material pushing cylinder, a left side telescopic end of the material pushing cylinder is connected with a material pushing plate, a left side wall of the material pushing plate is fixedly connected with a top door rod, and a top door roller is installed at the left end of the top door rod.

2. The sawdust screening dryer of claim 1, wherein: and the high-pressure air heater is provided with an air volume regulating valve.

3. The sawdust screening dryer of claim 1, wherein: the feeding bin top be equipped with the feed inlet just the feed inlet is funnel formula feed inlet.

4. The sawdust screening dryer of claim 3, wherein: the inner wall of the feed bin is fixedly connected with a dust adsorption net.

5. The sawdust screening dryer of claim 1, wherein: and a damping spring is arranged between the base and the powder collecting chamber.