CN209886166U

CN209886166U - Sawdust screening device

Info

Publication number: CN209886166U
Application number: CN201920604550.2U
Authority: CN
Inventors: 郑永彬; 黎勇; 黄秋英
Original assignee: FUJIAN RONGYI MUSHROOM INDUSTRY TECHNOLOGY RESEARCH DEVELOPMENT Co Ltd; Rongyi (hainan) Agricultural Development Co Ltd
Current assignee: FUJIAN RONGYI MUSHROOM INDUSTRY TECHNOLOGY RESEARCH DEVELOPMENT Co Ltd; Rongyi (hainan) Agricultural Development Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-03
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a saw-dust sieving mechanism in saw-dust screening technical field, including the device base, the top-down of device base communicates in proper order and is provided with into feed bin, coarse fodder filter chamber, fine fodder filter chamber and powder collection room, the inner chamber bottom of coarse fodder filter chamber is provided with coarse filter screen, the inner chamber bottom of fine fodder filter chamber is provided with fine filter screen, the bottom that the room was collected to the powder is provided with the powder discharge port, the left side wall of coarse fodder filter chamber and fine fodder filter chamber is equallyd divide and is do not articulated through the spring hinge to be provided with row bin gate, row bin gate is opened for the bottom, the right side wall of coarse fodder filter chamber and fine fodder filter chamber is equallyd divide and is provided with row material mechanism respectively, the attached shock dynamo of installing of right side wall of powder collection room, row material mechanism is including pushing away material cylinder, scraping wings, screening efficiency is high, degree of automation is high and saw-dust sieving mechanism.

Description

Sawdust screening device

Technical Field

The utility model relates to a saw-dust screening technical field specifically is a saw-dust sieving mechanism.

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 wood chips are classified into coarse wood chips, fine wood chips and powder wood chips according to the size according to the requirements of different purposes during collection and treatment.

There is not the more ripe mechanical device that is used for saw-dust to screen under the prior art, generally sieve with the help of simple and easy instrument manually, workman's screening cost of labor input is big, and efficiency is extremely low, can't be applicable to large batch industrial production, also has a few automatic mechanical equipment in addition, and this type of equipment generally only simply sieves the saw-dust into thickness two kinds, and wherein partial semi-automatization equipment still needs manual work, and its brush divides precision, work efficiency and degree of automation still to be improved and improves.

Based on this, the utility model designs a saw-dust sieving mechanism to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a saw-dust sieving mechanism to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a sawdust screening device comprises a device base, wherein the top of the device 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, a coarse filter screen allowing fine sawdust and powder to pass through is arranged at the bottom of an inner cavity of the coarse sawdust filter chamber, a fine filter screen allowing only powder to pass through is arranged at the bottom of an inner cavity of the fine sawdust filter chamber, a powder discharge port is formed in the bottom of the powder collecting chamber, discharge doors are hinged to the left side walls of the coarse sawdust filter chamber and the fine sawdust filter chamber through spring hinges respectively, the discharge doors are opened at the bottoms, discharge mechanisms used for discharging sawdust are arranged on the right side walls of the coarse sawdust filter chamber and the fine sawdust filter chamber respectively, and a vibration motor is attached to the right side wall of the powder collecting 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, the bottom of the material pushing plate is provided with a cleaning brush, 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.

Preferably, the bottom left and right sides symmetry of room is collected to the powder has set firmly the shock strut, the bottom of shock strut is spherical structure, the top of device base with shock strut butt department inlays and is equipped with rubber cushion, the bottom of room is collected to the powder with be connected with the damping extension spring between the device base.

Preferably, the top left side of device base is provided with material way mounting bracket, material way mounting bracket slope has set firmly two sets of discharge chute rails, and is two sets of the pan feeding end of discharge chute rail set up respectively in the left side of coarse fodder filter chamber and fine fodder filter chamber.

Preferably, the left side wall and the right side wall of the inner cavity of the powder collecting chamber are symmetrically provided with guide slope plates.

Preferably, the front side walls of the coarse dust filtering chamber, the fine dust filtering chamber and the powder collecting chamber are respectively provided with a perspective window.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the top-down of device base communicates in proper order among the sawdust screening device and is provided with into the feed bin, the coarse fodder filter chamber, chamber is collected to fine fodder filter chamber and powder, the inner chamber bottom of coarse fodder filter chamber and fine fodder filter chamber is provided with coarse fodder filter screen and fine fodder filter screen respectively, and the right side wall of chamber is collected to the powder is attached installs shock dynamo, in operation, only need pour the saw-dust into by the pan feeding storehouse, under shock dynamo's vibrations effect, the saw-dust loops through coarse fodder filter screen and fine fodder filter screen and divide into coarse fodder saw-dust, fine saw-dust, and powder saw-dust three types, the screening classification is clear and definite, advance during the screening and can go on according to batch synchronization, work efficiency is high, device screening function can need not manual cooperation, degree of.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be 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 those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the discharging mechanism of the present invention;

fig. 4 is the structure diagram of the discharging state of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1-device base, 2-feeding bin, 3-coarse dust filtering chamber, 4-fine dust filtering chamber, 5-powder collecting chamber, 6-coarse filtering screen, 7-fine filtering screen, 8-powder discharging port, 9-discharging door, 10-discharging mechanism, 101-material pushing cylinder, 102-material pushing plate, 103-cleaning brush, 104-door pushing rod, 105-door pushing roller, 11-damping support column, 12-rubber cushion block, 13-damping tension spring, 14-vibration motor, 15-material channel mounting rack, 16-discharging groove rail, 17-guiding slope plate and 18-perspective window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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. 1-4, the present invention provides a technical solution: a sawdust screening device comprises a device base 1, wherein the top of the device 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 coarse filter screen 6 allowing fine sawdust and powder to pass through is arranged at the bottom of an inner cavity of the coarse sawdust filter chamber 3, a fine filter screen 7 only allowing powder to pass through is arranged at the bottom of an inner cavity of the fine sawdust filter chamber 4, a powder discharge port 8 is arranged at the bottom of the powder collecting chamber 5, the left side walls of the coarse sawdust filter chamber 3 and the fine sawdust filter chamber 4 are respectively hinged with a discharge door 9 through a spring hinge, the discharge door 9 is opened at the bottom, discharge mechanisms 10 used for discharging sawdust are respectively arranged on the right side walls of the coarse sawdust filter chamber 3 and the fine sawdust filter chamber 4, and a vibration motor 14 is attached to the right side; the discharging mechanism 10 comprises a material pushing cylinder 101, a material pushing plate 102 is connected to the left side telescopic end of the material pushing cylinder 101, a cleaning brush 103 is arranged at the bottom of the material pushing plate 102, a top door rod 104 is fixedly connected to the left side wall of the material pushing plate 102, and a top door roller 105 is mounted at the left end of the top door rod 104.

The left side and the right side of the bottom of the powder collecting chamber 5 are symmetrically and fixedly provided with shock-absorbing struts 11, the bottoms of the shock-absorbing struts 11 are of spherical structures, rubber cushion blocks 12 are embedded at the butting positions of the tops of the device base 1 and the shock-absorbing struts 11, and a shock-absorbing tension spring 13 is connected between the bottom of the powder collecting chamber 5 and the device base 1, so that a shock-absorbing effect is achieved, and the resonance of the device base 1 is reduced; a material channel mounting frame 15 is arranged on the left side of the top of the device base 1, two groups of discharge groove rails 16 are fixedly arranged on the material channel mounting frame in an inclined mode, and feeding ends of the two groups of discharge groove rails 16 are respectively arranged on the left sides of the coarse chip filtering chamber 3 and the fine chip filtering chamber 4, so that an external material receiving device can conveniently receive coarse wood chips and fine wood chips; the left side wall and the right side wall of the inner cavity of the powder collecting chamber 5 are symmetrically provided with guide slope plates 17 which play a role in guiding the falling of powder and facilitate the discharge of powder sawdust out of the powder collecting chamber 5; the front side walls of the coarse dust filtering chamber 3, the fine dust filtering chamber 4 and the powder collecting chamber 5 are respectively provided with a perspective window 18, so that the operation condition in the device can be observed conveniently.

One specific application example of this embodiment is:

the utility model relates to a saw dust sieving mechanism, during the use, start shock dynamo 14, bring the mixed saw-dust of waiting to sieve into feed bin 2 in batches, the saw-dust falls from going into feed bin 2, loop through coarse filtration net 6 and fine filtration net 7 and arrive in powder collection room 5 under shock dynamo 14's vibrations effect, because coarse filtration net 6 allows fine saw-dust and saw-dust powder to pass through, the bigger coarse saw-dust is left in coarse dust filter chamber 3 after the screening, because fine filtration net 7 only allows saw-dust powder to lead to, the less fine saw-dust is left in fine dust filter chamber 4 after the screening, the saw-dust powder of final surplus falls to powder collection room 5, push away material cylinder 101 and stretch out and drive scraping wings 102 and push away to the left side through arranging in the material mechanism 10 after the screening, the left overhead door gyro wheel 105 of scraping wings 102 can push away row of bin door 9, and simultaneously, along with scraping wings 102 pushes away to the left, the saw-dust in coarse dust filter chamber 3 and the fine dust filter, until the cavity is completely removed, in order to avoid the telescopic rod of the material pushing cylinder 101 from rotating, the material pushing cylinder 101 can adopt a double-rod cylinder or a cylinder with a hexagonal telescopic rod, the bottom of the material pushing plate 102 is provided with a cleaning brush 103 which can clean the wood chips in the cavity, the removed wood chips fall into an external material receiving appliance through a discharge chute rail 16, and the powder accumulated in the powder collecting chamber 5 can be discharged by opening a powder discharge port 8; mix the saw-dust and sieve into thick saw-dust, thin saw-dust and three types of powder saw-dust through this device, sieve the classification clearly and definitely, advance during the screening and can go on according to batch synchronization, work efficiency is high, and device screening operation can need not manual cooperation, and degree of automation is high, is applicable to batch production's industrial application.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a saw-dust sieving mechanism which characterized in that: comprises a device base (1), the top of the device base (1) is sequentially communicated with a feed bin (2), a coarse dust filtering chamber (3), a fine dust filtering chamber (4) and a powder collecting chamber (5) from top to bottom, the bottom of the inner cavity of the coarse dust filtering chamber (3) is provided with a coarse filtering net (6) allowing fine dust and powder to pass through, the bottom of the inner cavity of the fine dust filtering chamber (4) is provided with a fine filtering net (7) only allowing powder to pass through, the bottom of the powder collecting chamber (5) is provided with a powder discharge port (8), 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 (9) in a hinged mode through a spring hinge, the discharge door (9) is opened for the bottom, the right side walls of the coarse dust filtering chamber (3) and the fine dust filtering chamber (4) are respectively provided with a discharge mechanism, a vibration motor (14) is attached to the right side wall of the powder collecting chamber (5);

the material discharging mechanism (10) comprises a material pushing cylinder (101), a material pushing plate (102) is connected to the left side telescopic end of the material pushing cylinder (101), a cleaning brush (103) is arranged at the bottom of the material pushing plate (102), a top door rod (104) is fixedly connected to the left side wall of the material pushing plate (102), and a top door roller (105) is installed at the left end of the top door rod (104).

2. The sawdust screening apparatus according to claim 1, wherein: the bottom left and right sides symmetry of room (5) is collected to the powder has set firmly shock strut (11), the bottom of shock strut (11) is spherical structure, the top of device base (1) with shock strut (11) butt department inlays and is equipped with rubber pad (12), the bottom of room (5) is collected to the powder with be connected with between device base (1) damping extension spring (13).

3. The sawdust screening apparatus according to claim 1, wherein: the device is characterized in that a material channel mounting frame (15) is arranged on the left side of the top of the device base (1), two groups of discharge groove rails (16) are fixedly arranged on the material channel mounting frame in an inclined mode, and feeding ends of the discharge groove rails (16) are respectively arranged on the left sides of the coarse chip filtering chamber (3) and the fine chip filtering chamber (4).

4. The sawdust screening apparatus according to claim 1, wherein: the left side wall and the right side wall of the inner cavity of the powder collecting chamber (5) are symmetrically provided with guide slope plates (17).

5. The sawdust screening apparatus according to claim 1, wherein: and the front side walls of the coarse dust filtering chamber (3), the fine dust filtering chamber (4) and the powder collecting chamber (5) are respectively provided with a perspective window (18).