CN114535046A

CN114535046A - Blowing-separation type sheet bamboo wood shaving separation device

Info

Publication number: CN114535046A
Application number: CN202210444657.1A
Authority: CN
Inventors: 沈周; 周明吉; 黄活阳
Original assignee: Treezo New Meterial Science and Technology Group Co Ltd
Current assignee: Treezo New Meterial Science and Technology Group Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-05-27
Anticipated expiration: 2042-04-26
Also published as: CN114535046B

Abstract

The invention discloses a blowing-separation type sheet bamboo wood shaving separation device which comprises a linear vibrating screen, wherein an inclined vibrating plate is arranged on the linear vibrating screen, the vibrating plate comprises a screen, a plurality of directional strips extending along the discharging direction are arranged on the vibrating plate, and the directional strips are positioned on the upper side of the screen. The invention carries out primary screening through the linear vibrating screen, screens out impurities such as chippings, sands and stones in the sliced sheets and ensures the quality. Set up directional strip in the screening, vibration through the shale shaker is assisted with directional strip's spacing effect again, carry out directional arrangement with the flaking of rectangular shape, make the flaking can neatly ejection of compact, carry out the selection by winnowing under this prerequisite, and then the flaking after the directional arrangement is more even with the contact surface of air current, the air current driving force that it received is more stable, and then make the flaking of different thickness or different thicknesses take place the stable sideslip of different degrees under the air current effect, the different storage chamber of rethread is done and is collected in order to realize accurate sorting.

Description

Blowing-separation type sheet bamboo wood shaving separation device

Technical Field

The invention relates to the field of sorting of bamboo wood shavings for artificial boards, in particular to a blowing-sorting type flaky bamboo wood shavings sorting device.

Background

Shaving board is an artificial board made up by cutting various branches, small-diameter wood, fast-growing wood and wood chips into pieces with a certain specification, drying, mixing with sizing material, hardening agent and water-proofing agent, and pressing under a certain temp. and pressure.

In the existing shaving board products on the market, the bamboo shaving board is distinguished by excellent performance, in some specific processes, bamboo is sliced to form shaving pieces with different specifications, and the shaving pieces are pressed into a whole board after being directionally arranged, so that the strength, the flatness and other performances of the shaving board are superior to those of the traditional shaving board.

The wood shavings are usually sorted before being pressed into boards, compared with the traditional wood shavings, the required finished products can be obtained only by simple multi-stage screen screening, and for the sheet-shaped wood shavings of bamboo wood, due to the limitation of the size specification of the wood shavings, the traditional screen screening cannot sort out the required finished products, and when the wood shavings are sorted by another common winnowing, the whole wood shavings are in a sheet shape, the difference is that the wood shavings are thick, thin and thick, but the traditional winnowing is mainly used for sorting chips in the large wood shavings, and the sorting effect of the difference is poor.

Disclosure of Invention

In order to solve at least one technical problem mentioned in the background art, the invention aims to provide a blowing-sorting type sheet-shaped bamboo wood shaving sorting device, which is used for blowing-sorting the wood shavings after the wood shavings are directionally arranged along the length direction so as to sort the wood shavings with different thicknesses and different thicknesses.

In order to achieve the purpose, the invention provides the following technical scheme:

a blowing-separation type sheet bamboo wood shaving separation device comprises a linear vibrating screen, wherein an inclined vibrating plate is arranged on the linear vibrating screen, the vibrating plate comprises a screen, a plurality of directional strips extending along the discharging direction are arranged on the vibrating plate, the directional strips are positioned on the upper side of the screen, and the screen is separated into a plurality of parts with the same interval by the directional strips; the linear vibrating screen is also provided with a movable pressing and folding mechanism for breaking the planing pieces, the pressing and folding mechanism comprises a pressing plate which reciprocates along the discharging direction, an included angle is formed between the pressing plate and the directional strip, and the included angle is 10-20 degrees; the device is still including the case that gathers materials that is used for collecting the flaking, gather materials the case link up in rectilinear vibrating screen's discharge end, gather materials including at least two in the case that arrange along ejection of compact direction and have ascending open-ended storage chamber, the downside of rectilinear vibrating screen's discharge end is equipped with and is used for blowing in the flaking that the discharge end department falls out gather materials the air-out unit of case.

Compared with the prior art, the invention has the beneficial effects that: carry out preliminary screening through the rectilinear vibrating screen, screen out impurity such as piece gravel and sand in the flaking, ensure the quality.

Set up directional strip in the screening, vibration through the shale shaker is assisted with directional strip's spacing effect again, carry out directional arrangement with the flaking of rectangular shape, make the flaking can neatly ejection of compact, carry out the selection by winnowing under this prerequisite, and then the flaking after the directional arrangement is more even with the contact surface of air current, the air current driving force that it received is more stable, and then make the flaking of different thickness or different thicknesses take place the stable sideslip of different degrees under the air current effect, the different storage chamber of rethread is done and is collected in order to realize accurate sorting.

And moreover, the pressing and folding mechanism is arranged, so that the large-size sliced sheets can be processed, the sliced sheets are suitable for the limited width range of the directional strips, the integral discharging specification of the device tends to be uniform, and the sorted finished product has a better effect.

Further, it includes the walking beam to press a book mechanism, the walking beam is located the top of directional strip, and with rectilinear vibrating screen sliding connection, be equipped with on the rectilinear vibrating screen and be used for driving the extensible member that the walking beam removed, the clamp plate connect in on the walking beam, the extensible member drives the removal, simple structure and stability.

Further, the downside of clamp plate still is equipped with the baffle that is used for blockking the flaking, the baffle orientation the screen cloth extends, the lower edge of baffle with the clearance that supplies the flaking to pass through has between the screen cloth, blocks that the flaking takes place too much dislocation in order to avoid the extrusion.

Further, the clamp plate is perpendicular to in the length direction directional strip, the both ends of clamp plate all are equipped with the connecting axle, two the connecting axle respectively with the both sides of walking beam rotate to be connected, the cover is equipped with the torsional spring on the connecting axle, the one end of torsional spring connect in the clamp plate, the other end connect in the walking beam, be equipped with first plectrum on the clamp plate, be equipped with the second plectrum on the rectilinear vibrating screen, the second plectrum is located on the removal orbit of first plectrum, first plectrum with during the second plectrum butt the clamp plate has the pivoted trend, can pack up the baffle when not using, avoids blockking the plane piece.

Furthermore, the directional strip is provided with an upward cutting edge along the length direction, so that the shearing force is enhanced.

Further, the air outlet unit comprises an air guide strip arranged on the lower side of the discharge end of the linear vibrating screen, the air guide strip is perpendicular to the orientation strip in the length direction, an air outlet is formed in the air guide strip along the length direction, and the air outlet faces the material collecting box; the air outlet unit also comprises a fan used for blowing air to the air guide strips, and the fan can uniformly supply air in the horizontal direction to ensure that the planing pieces receive stable wind power.

Furthermore, the downside of the discharge end of linear vibrating screen is equipped with oblique baffle, oblique baffle with the case that gathers materials is connected, one side of oblique baffle to the case direction slope that gathers materials, the wind-guiding strip is located the downside of oblique baffle makes the flaking fall with the slope gesture, reinforcing and air current contact's stability.

Further, be equipped with the baffle in the case that gathers materials, the baffle will space in the case that gathers materials separates into two storage chambeies along ejection of compact direction, the baffle with the inner wall of case that gathers materials rotates to be connected, it is used for the drive to be equipped with on the case that gathers materials baffle pivoted motor, adjustable storage chamber opening size to cooperation wind-force is sorted out different specification flaking and is collected.

Further, be equipped with the feeder hopper on the rectilinear vibrating screen, the under shed of feeder hopper is located the top of the high-order end of screen cloth ensures stable unloading.

Drawings

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

FIG. 2 is a schematic structural view of the platen of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is an enlarged view of B in FIG. 3;

fig. 6 is a schematic view of the platen of fig. 5 in an initial state.

In the figure: 1. a linear vibrating screen; 11. a feed hopper; 2. a vibrating plate; 21. screening a screen; 22. an orientation bar; 3. a material collecting box; 31. an inclined guide plate; 32. a partition plate; 33. wind guide strips; 34. a fan; 4. a movable beam; 41. a telescoping member; 42. a baffle plate; 43. pressing a plate; 51. a torsion spring; 52. a first plectrum; 53. and a second pick.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a blowing type sheet-shaped bamboo shavings sorting device, which includes a linear vibrating screen 1, where the linear vibrating screen 1 mainly includes a screen box, a screen frame, a screen 21, a vibrating motor, a motor pedestal, a damping spring, and a bracket, and the structure of the linear vibrating screen 1 is disclosed in the prior art, and thus is not described more.

Mainly, the linear vibrating screen 1 is provided with an inclined vibrating plate 2, the screen 21 is arranged on the vibrating plate 2, the screen 21 is used for downwards screening out small-particle debris, sand and stone and other impurities, an area in the linear vibrating screen 1 below the screen 21 is a space for storing the debris, sand and stone, and the direction of the vibrating plate 2 inclined from a high position to a low position is a discharging direction.

The vibrating plate 2 is fixedly connected with a plurality of orientation strips 22, the orientation strips 22 extend along the discharging direction of the vibrating plate 2, the orientation strips 22 are positioned on the upper side of the screen 21 and divide the screen 21 into a plurality of parts with the same interval, and the interval is determined according to the width of the bamboo chips required in actual requirements; under the condition that the bamboo shavings that is arranged in the material is mostly rectangular shape, put in the material to the high-order end of vibration board 2, and most bamboo shavings can pile up on orientation strip 22, drive the bamboo shavings slowly and remove along ejection of compact direction in the vibration of rectilinear vibrating screen 1 to make the bamboo shavings in the vibration, its length direction with when the ejection of compact direction of vibration board 2 tended to be parallel, the bamboo shavings can fall into downwards between orientation strip 22 on the screen cloth 21, and keep the gesture of this length direction and ejection of compact direction parallel slowly to remove, and then play an effect of arranging the bamboo shavings orientation.

In order to facilitate stable blanking, a feed hopper 11 is arranged on the linear vibrating screen 1, a lower opening of the feed hopper 11 is located above a high-position end of the screen 21, and bamboo shaving materials are fed to the high-position end of the screen 21 through the feed hopper 11 to prevent scattering.

Referring to fig. 3 and 4, a material collecting box 3 is disposed on the discharge end side of the linear vibrating screen 1 for receiving bamboo shavings with dropped discharge ends, and in order to further sort the dropped bamboo shavings and sort out the bamboo shavings with different thicknesses or different thicknesses, in this embodiment, a wind guide strip 33 is disposed below the discharge end of the linear vibrating screen 1, the wind guide strip 33 is a strip and perpendicular to the orientation strip 22 in the length direction, the wind guide strip 33 is provided with a horizontal wind outlet along the length direction, wind is provided by a fan 34, the fan 34 is connected with the wind guide strip 33 through a hose, and a horizontal airflow strip is continuously blown out from the wind outlet of the wind guide strip 33, wherein the wind outlet of the wind guide strip 33 faces the material collecting box 3, the bamboo shavings are subjected to the action of the airflow during dropping from the discharge end and laterally shift toward one side of the material collecting box 3 to drop into the material collecting box 3, and the bamboo chips with different thicknesses or different thicknesses have different weights, and are pushed by airflow to have different transverse displacement distances, so that the falling distances are different.

Because the bamboo shavings are arranged in the linear vibrating screen 1 in an oriented manner, the bamboo shavings can slide down along the length direction when falling, and compared with the bamboo shavings scattered without oriented treatment, the bamboo shavings in the embodiment are more easily subjected to stable transverse displacement under the action of air flow instead of flying in a scattered manner.

Correspondingly, the material collecting box 3 is provided with an upward opening, a partition plate 32 is arranged in the material collecting box 3, the partition plate 32 divides the space in the material collecting box 3 into two storage cavities along the discharging direction of the vibrating plate 2, so that relatively thick/thick bamboo chips fall into the storage cavity close to one side of the discharging end, relatively thin/thin bamboo chips fall into the storage cavity far away from one side of the discharging end, a motor for driving the partition plate 32 to rotate is arranged on the material collecting box 3, the partition plate 32 has a swinging effect to adjust the sizes of the openings of the two storage cavities, and further when the sorted bamboo chips have different specifications, the bamboo chips with different specifications can accurately fall into the corresponding storage cavities by adjusting the wind power and the sizes of the openings; in the actual sorting, when more meticulous sorting is carried out as required, also can set up more than two baffles 32, will the space in the case 3 that gathers materials separates into more than three storage chambeies, through adjusting wind-force in order to realize more various, meticulous sorting.

Under the condition of not being affected by air flow, the bamboo chips vertically drop from the discharge end, the bamboo chips in this state are not uniform in air flow driving force, tail overturning is easy to occur under the action of air flow, so that the transverse displacement effect is not good, and the sorting effect is influenced to a certain extent, therefore, in the embodiment, an inclined guide plate 31 is arranged on the lower side of the discharge end, the inclined guide plate 31 is connected with the collecting box 3, one side of the inclined guide plate 31 inclines towards the direction of the collecting box 3, the air guide strip 33 is positioned on the lower side of the inclined guide plate 31, when the bamboo chips fall down, the bamboo chips fall on the inclined part of the inclined guide plate 31 first, and then the bamboo chips are guided to slide down in an inclined posture, and meanwhile, the air flow direction of the air guide plate is adjusted, so that the air flow direction and the sliding direction of the bamboo chips form a relative angle, as shown in fig. 4, the angle in the embodiment is preferably 20-45 degrees, make the contact of air current and bamboo planing piece more even, the atress is more even, and then the bamboo planing piece can be dropped with more stable gesture slope.

It should be added that, there is the condition that some bamboo shavings are oversized in the material, when the vibration plate 2 plays a directional role on the bamboo shavings, these bamboo shavings with larger sizes will be blocked by the directional bars 22 and can not fall onto the screen 21, or fall between the directional bars 22 in a single-side inclined manner, and the sizes of these bamboo shavings do not meet the sorting requirement, so this embodiment is provided with the movable beam 4 on the upper side of the linear vibrating screen 1, the movable beam 4 is connected with the linear vibrating screen 1 in a sliding manner along the discharging direction, and the linear vibrating screen 1 is provided with the expansion piece 41 for driving the movable beam 4 to move, and the expansion piece 41 includes but is not limited to a cylinder, an oil cylinder, an electric push rod, and the like.

Referring to fig. 2, the movable beam 4 is provided with a pressing plate 43, the pressing plate 43 is long, and two ends of the pressing plate 43 in the length direction are respectively connected to two sides of the movable beam 4, and in an initial state, referring to fig. 6, one side of the pressing plate 43 is abutted against the upper side of the orientation strip 22, a certain included angle is formed between the pressing plate 43 and the upper edge of the orientation strip 22, the opening of the included angle faces the high-position end of the screen 21, when the movable beam 4 is driven by the telescopic member 41 to move in the opposite direction of the discharging direction, the pressing plate 43 is driven to move along the orientation strip 22, and the bamboo chips falling on the orientation bar 22 and partially rising above the orientation bar 22 enter between the pressing plate 43 and the orientation bar 22, and are gradually subjected to the squeezing shear force between the pressing plate 43 and the orientation bar 22, these oversized bamboo chips are then cut to fall onto the screen 21 between the orientation strips 22; referring to fig. 6, in this embodiment, the included angle is preferably 10 ° to 20 ° to ensure that the bamboo chips are well guided between the pressing plate 43 and the orientation bar 22.

In order to provide good shear force to efficiently cut the bamboo chips, the orientation strips 22 are provided with an upward cutting edge along the length direction in this embodiment.

In another embodiment, in order to better perform extrusion shearing on the large-sized bamboo chips and prevent the bamboo chips from being excessively misaligned in extrusion to cause uneven cutting in the moving process of the pressing plate 43, a baffle 42 for blocking the chips is further arranged on the lower side of the pressing plate 43, the baffle 42 extends towards the screen 21, and when the bamboo chips enter between the pressing plate 43 and the orientation strip 22, the baffle 42 blocks the bamboo chips in the moving direction, so that uneven cutting or breaking caused by excessive misalignment in the extrusion process of the bamboo chips is avoided.

On the other hand, the baffle 42 can also comb the bamboo shavings on the screen 21, a certain gap is formed between the lower edge of the baffle 42 and the screen 21 for a single bamboo shavings or two or three bamboo shavings to pass through, and when the bamboo shavings at the upper part of the screen 21 are stacked too thick, the movable beam 4 drives the baffle 42 to move, so that the stacked bamboo shavings can be spread out, and the effect of subsequent blowing and selecting work is ensured.

Under the condition that the baffle 42 is arranged, when the function of the baffle 42 is not needed, the baffle 42 obstructs the discharging of the bamboo shavings on the screen 21 to a certain extent, in order to avoid the effect, the two ends of the pressing plate 43 in the length direction of the embodiment are both provided with connecting shafts, the two connecting shafts are respectively connected with the two sides of the movable beam 4 in a rotating manner, the connecting shafts are sleeved with torsion springs 51, one ends of the torsion springs 51 are connected with the pressing plate 43, the other ends of the torsion springs are connected with the movable beam 4, the pressing plate 43 is provided with first poking pieces 52, the linear vibrating screen 1 is provided with second poking pieces 53, the second poking pieces 53 are positioned on the moving track of the first poking pieces 52, when the movable beam 4 moves towards the discharging direction, the first poking pieces 52 abut against the second poking pieces 53, the pressing plate 43 is driven to rotate and the torsion springs 51 are twisted tightly, the pressing plate 43 is further turned upward to lift the shutter 42 upward, thereby achieving a retracted state, as shown in fig. 5.

What need supplement is, work as clamp plate 43 is under the initial condition, torsional spring 51 is the relaxation state, and it can have swing back and forth's effect under certain exogenic action, when the bamboo planing piece gets into clamp plate 43 with when orientation strip 22 between, clamp plate 43 with orientation strip 22 is a tight extruded state of clamp to the bamboo planing piece, consequently clamp plate 43 can receive the reaction of shearing force when continuing towards ejection of compact direction's antiport, clamp plate 43 can relatively to orientation strip 22 direction swing, the concrete performance does clamp plate 43 with orientation strip 22's contained angle diminishes, and then clamp plate 43 and the contact laminating area crescent of bamboo planing piece, exert extruded scope crescent to the bamboo planing piece, and then decide the bamboo slicing piece more easily.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The blowing type sheet bamboo shaving sorting device comprises a linear vibrating screen (1), wherein an inclined vibrating plate (2) is arranged on the linear vibrating screen (1), the vibrating plate (2) comprises a screen (21), and the blowing type sheet bamboo shaving sorting device is characterized in that a plurality of directional strips (22) extending along the discharging direction are arranged on the vibrating plate (2), the directional strips (22) are positioned on the upper side of the screen (21), and the screen (21) is divided into a plurality of parts at the same interval by the directional strips (22); the linear vibrating screen (1) is also provided with a movable folding mechanism for folding the sliced veneer, the folding mechanism comprises a pressing plate (43) which reciprocates along the discharging direction, and an included angle is formed between the pressing plate (43) and the directional strip (22) and is 10-20 degrees; the device is still including the case (3) that gathers materials that are used for collecting the flaking, gather materials case (3) link up in the discharge end of rectilinear vibrating screen (1), gather materials including at least two arrange and have ascending open-ended storage chamber along ejection of compact direction in the case (3), the downside of the discharge end of rectilinear vibrating screen (1) is equipped with and is used for blowing in the flaking that the discharge end department falls out gather materials the air-out unit of case (3).

2. The blowing type sheet bamboo shaving sorting device according to claim 1, wherein the folding mechanism comprises a movable beam (4), the movable beam (4) is located above the orientation bar (22) and is slidably connected with the linear vibrating screen (1), an expansion piece (41) for driving the movable beam (4) to move is arranged on the linear vibrating screen (1), and the pressing plate (43) is connected to the movable beam (4).

3. The blowing type flake bamboo sorting device according to claim 2, wherein a baffle plate (42) for blocking the flakes is further provided on the lower side of the pressing plate (43), the baffle plate (42) extends toward the screen (21), and a gap for passing the flakes is provided between the lower edge of the baffle plate (42) and the screen (21).

4. The blowing type sheet-like bamboo shaving sorting device according to claim 2 or 3, the pressing plate (43) is perpendicular to the orientation strip (22) in the length direction, connecting shafts are arranged at two ends of the pressing plate (43), the two connecting shafts are respectively and rotatably connected with two sides of the movable beam (4), a torsion spring (51) is sleeved on the connecting shaft, one end of the torsion spring (51) is connected with the pressure plate (43), the other end is connected with the movable beam (4), a first poking sheet (52) is arranged on the pressing plate (43), a second poking sheet (53) is arranged on the linear vibrating screen (1), the second shifting piece (53) is positioned on the moving track of the first shifting piece (52), when the first pulling sheet (52) and the second pulling sheet (53) are abutted, the pressing plate (43) has a tendency to rotate.

5. The blowing type chip bamboo shaving sorting device according to claim 1, wherein the orientation bar (22) is provided with an upward cutting edge along a length direction.

6. The blowing type sheet bamboo shaving sorting device according to claim 1, wherein the air outlet unit comprises an air guide strip (33) arranged on the lower side of the discharge end of the linear vibrating screen (1), the air guide strip (33) is perpendicular to the orientation strip (22) in the length direction, and an air outlet is formed in the air guide strip (33) in the length direction; the air outlet unit further comprises a fan (34) for blowing air to the air guide strip (33).

7. The blowing type sheet bamboo shaving sorting device according to claim 6, wherein an inclined guide plate (31) is arranged on the lower side of the discharge end of the linear vibrating screen (1), the inclined guide plate (31) is connected with the collecting box (3), one side of the inclined guide plate (31) is inclined towards the collecting box (3), and the air guide strip (33) is positioned on the lower side of the inclined guide plate (31).

8. The blowing type sheet bamboo wood shaving sorting device according to claim 1, wherein a partition plate (32) is arranged in the material collecting box (3), the space in the material collecting box (3) is divided into two storage cavities by the partition plate (32) along a discharging direction, the partition plate (32) is rotatably connected with the inner wall of the material collecting box (3), and a motor for driving the partition plate (32) to rotate is arranged on the material collecting box (3).

9. The blowing type sheet bamboo shaving sorting device according to claim 1, wherein a feed hopper (11) is provided on the linear vibrating screen (1), and a lower opening of the feed hopper (11) is located above a high-level end of the screen (21).