CN107614109B - Crusher - Google Patents

Abstract

The present invention provides a kind of crusher, has: a pair of rotary shafts (1,2) configures in parallel relationship；Multiple rotating blades (3), its on each rotary shaft (1,2) by along axial direction across interval in a manner of install, and installed in a manner of the rotating blade (3) being mounted on side rotary shaft (1) and the rotating blade (3) being mounted on other side rotary shaft (2) are overlapped a part of rotational trajectory (L1, L2) when from the end on observation of rotary shaft；And strainer (20), it is accepted fragment in the outside of the rotational trajectory (L1) for the multiple rotating blades (3) being mounted on side rotary shaft (1) and falls prescribed level fragment below, and at least part of the end of the orientation of a pair of rotary shafts (1,2) of strainer (20) is configured in the more inner side of rotational trajectory (L2) of the rotating blade (3) than being mounted on other side rotary shaft (2).

Description

Crusher

Technical field

Broken crusher is carried out the present invention relates to treated objects such as a kind of pair of timber, rubbish.

This application claims excellent in Japanese patent application 2015-141390 of Japanese publication based on July 15th, 2015 It first weighs, and its content is applied at this.

Background technique

In the past, located as to timber (such as biomass power generation wood materials), bamboo wood and flammable/non-combustible refuse etc. The mechanism for managing object progress break process uses crusher.As crusher, it is known to gyratory crusher, shear crusher and Double-shaft shearing crusher etc..Any crusher all has installation and is formed with multiple broken blades on the rotary shaft and circumferentially Rotating blade.

And, it is also known that it is promising that the fragment generated and being crushed to treated object is made to become defined size (granularity), and the crusher (for example, referenced patent document 1) of strainer is provided with below rotating blade.It is formed in strainer The multiple open pores being regularly formed, and fragment is constantly crushed by the rotating blade of strainer, until can pass through Open pore.

Conventional art document

Patent document

Patent document 1: Japan Patent 2004-267944 bulletin

Summary of the invention

The invention technical task to be solved

When to have the crusher of strainer, fragment can be trimmed with certain size size below.However, when being tool When the crusher of standby strainer, the limited amount system of the discharged open pore of fragment.Therefore, fragment is detained increase on strainer And with no strainer the case where compared with, there are problems that the reduction of break process amount.Also, being trapped in the fragment on strainer becomes Frictional resistance, therefore become the load of rotary shaft, to there are problems that breaking capacity is caused to decline.

The invention is designed to provide a kind for the treatment of effeciency that can be improved treated object, and reduces to rotary shaft The crusher of load.

For solving the means of technical task

First method according to the present invention, crusher are characterized in that having: a pair of rotary shafts, with parallel to each other Mode configures；Multiple rotating blades, in each rotary shaft by along axial direction across interval in a manner of install, and be mounted on one Rotating blade in rotary shaft described in side and the rotating blade being mounted in rotary shaft described in the other side are with from the rotary shaft Install the mode of a part of rotational trajectory overlapping when end on observation；And strainer, on being mounted on rotary shaft described in side The outside of the rotational trajectory of multiple rotating blades accepts fragment and falls prescribed level fragment below, the filter At least part of the end of the orientation of the pair of rotary shaft of net is configured than being mounted on rotary shaft described in the other side On the rotating blade the more inner side of rotational trajectory.

According to this structure, it is not necessarily to be detained by the fragment of strainer from other side rotation shaft side and be discharged, because This can be improved the treatment effeciency of treated object compared with the case where strainer is arranged in the rotary shaft of two sides.Also, another Side rotation shaft side is not provided with strainer, therefore can reduce and be applied to other side rotary shaft because being trapped in the fragment on strainer Load.

Also, by being trapped in the treated object of the elongate in shape across rotating blade on strainer, so as to Prevent the treated object of elongate in shape from passing through.

In above-mentioned crusher, have in the rotary shaft by with the rotating blade along it is axial it is alternate in a manner of install Multiple spacers, the strainer extends to the outer peripheral surface of the spacer.

In above-mentioned crusher, the revolving speed that can be set to rotary shaft described in side turns lower than rotary shaft described in the other side Speed.

According to this structure, the excess power of the less rotary shaft of load can be used in and has used rotating blade and filter Net it is broken in.

Invention effect

According to the present invention, it is not necessarily to be detained by the fragment of strainer from other side rotation shaft side and be discharged, therefore, Compared with the case where strainer is set in the rotary shaft of two sides, the treatment effeciency of treated object can be improved.Also, in another sidespin Shaft side is not provided with strainer, therefore can reduce and be applied to the negative of other side rotary shaft because being trapped in the fragment on strainer Lotus.

Detailed description of the invention

Fig. 1 is the side view for indicating the crusher of first embodiment of the invention.

Fig. 2 is the X1-X1 line direction view of Fig. 1, is the top view for indicating crusher.

Fig. 3 is from the end on observation of rotary shaft rotating blade, spacer and the strainer of first embodiment of the invention Figure.

Fig. 4 is the top view of the strainer of first embodiment of the invention.

Fig. 5 is the figure from the strainer of the end on observation of rotary shaft first embodiment of the invention.

Fig. 6 is the figure for illustrating the effect of crusher of first embodiment of the invention.

Fig. 7 is from the end on observation of the rotary shaft rotating blade of second embodiment of the present invention, spacer and strainer Figure.

Fig. 8 is the top view of the strainer of second embodiment of the present invention.

Specific embodiment

(first embodiment)

Hereinafter, being described in detail with reference to crusher of the attached drawing to first embodiment of the invention.

The crusher of present embodiment is to carry out brokenly such as to treated object wood materials, bamboo wood and rubbish (waste) The Double-shaft shearing crusher (multiaxis shear crusher) of fragment that is broken and becoming predetermined size (length, granularity). The crusher of present embodiment is particularly suitable for the wood materials of the treated object comprising more elongate in shape and breaking for bamboo wood It is broken.

As shown in Figure 1, Figure 2 and Figure 3, crusher 100, which has shell 25, a pair of of crushing mechanism 4 and accepts, passes through crusher The strainer 20 structure 4 broken treated object and fall it downwards.

Crushing mechanism 4 has a pair of rotary shafts 1,2 configured in a manner of being parallel to each other in the inside of shell 25；In each rotation In shaft 1,2 by along axial direction across interval in a manner of multiple rotating blades 3 for installing；It is mounted on along the axially adjacent of rotary shaft 1 Rotating blade 3 between multiple spacers 10；And the driving devices 5 such as motor for making the rotation driving of rotary shaft 1,2.With Under, side rotary shaft 1 is known as the first rotary shaft 1, other side rotary shaft is known as the second rotary shaft 2.

The first rotary shaft 1 and the second rotary shaft 2 of present embodiment are driven by driving device 5 respectively.First rotary shaft 1 with The mode rotated to the direction T1 of Fig. 3 is set, and the second rotary shaft 2 is set in a manner of rotating to the direction T2 of Fig. 3.In addition, the One rotary shaft 1 and the second rotary shaft 2 are not limited to the direction T1 and the direction T2 of Fig. 3, can also rotate in the opposite direction.For example, When biggish load is applied to driving device 5 in broken etc., it can rotate in the opposite direction.

Driving device 5 can arbitrarily set the revolving speed of output shaft.That is, the first rotary shaft 1 and the second rotary shaft 2 can be made It is rotated with desired revolving speed.In the crusher 100 of present embodiment, rotates the first rotary shaft 1 with low speed, make Two rotary shafts 2 than 1 higher speed of the first rotary shaft to rotate.That is, the revolving speed of the revolving speed of the first rotary shaft 1 and the second rotary shaft 2 Difference, the revolving speed of the first rotary shaft 1 are lower than the revolving speed of the second rotary shaft 2.

Alternatively, it is also possible to be set as being transferred to two rotations using a driving device 5 and by the driving force of the driving device 5 The gear mechanism of axis 1,2, and the structure of two rotary shafts 1,2 is driven using a driving device 5.

As shown in figure 3, the first rotary shaft 1 and the second rotary shaft 2 are the section shape of hexagon, pass through driving device 5 It is rotated around axis 01,02.In addition, the section shape of the first rotary shaft 1 and the second rotary shaft 2 can be section multilateral shape, example Such as, quadrilateral shape can also be set as.Also, rotary shaft 1,2 can also be set as to section circle, and use spacer 10, rotation Blade 3 and key are fixed.

The side wall of shell 25 is provided with scraper plate 21 towards the position opposed with rotating blade 3 and spacer 10.Scraper plate 21 Prevent treated object from falling between rotating blade 3 and shell 25, or the treated object that scraping is clamped by rotating blade 3.Scraper plate 21 are formed as stripping fork shape when viewed from above, to allow rotating blade 3 to pass through.The front end of scraper plate 21 is formed as semi arch Shape, so as to close with the circumferential surface of rotating blade 3 and spacer 10.

The axis 01,02 of first rotary shaft 1 and the second rotary shaft 2 is parallel.Hereinafter, by along the direction of axis 01,02 abbreviation For axial A.Also, the horizontal direction orthogonal with axial A is known as to the width direction Y of rotary shaft 1,2.Width direction Y is arrangement Direction, that is, orientation of rotary shaft 1,2.

In each crushing mechanism 4, rotating blade 3 and spacer 10 by along axial A it is alternate in a manner of configure.Rotating blade 3 Axial A width (thickness) and the axial A of spacer 10 it is of same size.

The rotating blade 3 and spacer 10 that are mounted in the first rotary shaft 1 and the rotating knife being mounted in the second rotary shaft 2 Piece 3 and spacer 10 are configured in a manner of offseting one from another along axial A.In other words, the rotating blade being mounted in the first rotary shaft 1 3 and the spacer 10 that is mounted on second rotary shaft 2 in adjacent with the first rotary shaft 1 match in such a way that the position of axial A is identical It sets.

A part of the rotational trajectory for the rotating blade 3 being mounted on when from axial A in the first rotary shaft 1 be mounted on A part overlapping of the rotational trajectory of rotating blade 3 in second rotary shaft 2.Crusher 100 passes through the rotation with each crushing mechanism 4 Shaft 1,2 makes rotating blade 3 to carry out shearing-crushing to treated object around the rotation of axis 01,02 together.

Rotating blade 3 is embedded in a manner of being inserted through rotary shaft 1,2 in the centre bore 3a of multilateral shape, and is had: knife rest 6, it is fixed in rotary shaft 1,2 with the state that mutual axis is disposed on coaxial；And broken blade 7, in axis 01, the radial outside at 02 center is arranged cutting edge portion 9 and is removably mountable to the periphery of knife rest 6, and along axis 01,02 The axial direction of the heart is set side by side with multiple.Hereinafter, being in by the front end of the cutting edge portion 9 for the rotating blade 3 being mounted in rotary shaft 1,2 Existing track is known as rotational trajectory L1, L2.

It is equipped with and is formed with for predetermined size will to be crushed in the lower section (lower section of rotating blade 3) of the first rotary shaft 1 The strainer 20 of the semi-cylindrical shapes of multiple open pores 22 that passes through of crushed material.It is only crushed to across the big of 22 degree of open pore Small fragment is fallen downwards via strainer 20.

Strainer 20 is accepted in the outside of the rotational trajectory L1 for the multiple rotating blades 3 being arranged in the first rotary shaft 1 to be passed through The broken fragment of crushing mechanism 4.The width that strainer 20 has the bending face 30 in curved plate, bending face 30 is arranged in It spends the bracket part 26 of a side of direction Y and multiple extensions of another side of the width direction Y of bending face 30 is set 24。

The bearing part 27 that the side opposite with bracket part 26 in bending face 30 is prescribed is supported.

Bending face 30 extends along axial A, and with the section shape in arc-shaped when from axial A from.Bending face 30 curvature is formed in a manner of the curvature less than rotational trajectory L1.The song of the interarea 30a of the bending face 30 of present embodiment Rate center and the central axis 01 of the first rotary shaft 1 are substantially uniform.

Clearance G is formed between bending 30 and rotational trajectory L1 of face.Clearance G is according to desired fragment size (length, desired size) is suitably set.For example, the size of clearance G can be set to 1/2 or so of fragment size. In addition, the clearance G between bending 30 and rotational trajectory L1 of face is without constant, for example, it is also possible to width direction Y outside Side and gradually broaden.

As shown in figure 4, being formed with multiple open pores 22 in bending face 30.Multiple open pores 22 configure regularly In bending face 30.The configuration of multiple open pores 22 can for example be set as being staggered, and can also be set as the arrangement of chessboard trellis.And And the configuration of multiple open pores 22 is without must regularly, can also gradually decrease with to the end of width direction Y Quantity.

The open pore 22 of present embodiment has a rectangular shape.The size of open pore 22 according to desired fragment size come It suitably sets.For example, the length on one side can be set with the identical degree of fragment size.The shape of open pore 22 is simultaneously unlimited In square shape, can be changed according to fragments such as oblong-shaped, hexagon shape, circles.Also, it can also suitably set curved The whole aperture opening ratio of curved face part 30.For example, the aperture opening ratio of bending face 30 can be set as 50% or so.

As shown in figure 5, being formed with multiple broken protrusions 23 in bending face 30.Broken protrusion 23 is in have sharp keen top The pyramidal shape in portion.That is, multiple broken protrusions 23 have the rotation in the fragment accompanying rotation blade 3 being trapped on strainer 20 And when being moved on strainer 20, by being crushed the shape cut of protrusion 23.The shape of broken protrusion 23 is not limited to this, It can be set as knife-like (plate with sharp keen blade).

Bracket part 26 is a side from the width direction Y of bending face 30 to width direction Y component outstanding, and along axis It is multiple across being arranged at intervals with to A.Bracket part 26 is fixed on scraper plate 21 using secure components such as bolts 28.Furthermore it is possible to will Bracket part 26 (strainer 20) is fixed on shell 25.

As shown in Figures 4 and 5, multiple extensions 24 are formed in another side 30b of the width direction Y of bending face 30 (end of the orientation of a pair of rotary shafts 1,2), another side 20a of the width direction Y of strainer 20 is viewed from above as a result, In square-wave-shaped.In other words, the shape viewed from above in along spacer 10 and the rotational trajectory of rotating blade 3 of strainer 20.That is, from The spacer 10 of top observation and the rotational trajectory of rotating blade 3 are in square-wave-shaped, therefore the side 20a of strainer 20 is also in square wave Shape.

The inner circumferential side of the rotational trajectory L2 for the rotating blade 3 that extension 24 configured in the second rotary shaft 2.In other words, strainer 20 at least part extends to the inner circumferential side of the rotational trajectory L2 of the rotating blade 3 of the second rotary shaft 2.The front end of extension 24 Gap between spacer 10 is set as smaller as far as possible.It is not connect with the outer peripheral surface 10a of spacer 10 that is, strainer 20 extends to The degree of touching.

The side 30b of bending face 30 in a manner of the rotational trajectory L2 of rotating blade 3 interference not form.Bending face Gap between 30 side 30b and rotational trajectory L2 is set as smaller as far as possible.

In the crusher 100 of present embodiment, strainer 20 is only configured in the lower section of the first rotary shaft 1, in the second rotation The lower section of axis 2 does not configure strainer.That is, the lower section of the rotating blade 3 of the second rotary shaft 2 becomes the fragment there is no strainer Channel.

Then, the effect of the crusher of present embodiment 100 is illustrated.

In the crusher 100 of present embodiment, as shown in fig. 6, making the first rotary shaft 1 with low speed to a direction (side T1 To) rotation, rotate the second rotary shaft 2 to other direction (direction T2) with high speed.If from the top for being opened on rotary shaft 1,2 Input port 19 puts into treated object B, then by the rotating blade 3 that is inlaid in the first rotary shaft 1 and is inlaid in the second rotary shaft 2 3 treated object B of rotating blade be sheared it is broken.

Also, treated object has respectively entered the spacer 10 being inlaid in the first rotary shaft 1 and is inlaid in the second rotation Gap between rotating blade 3 on axis 2 and the spacer 10 being inlaid in the second rotary shaft 2 and it is inlaid in the first rotary shaft 1 On rotating blade 3 between gap H, and by rotating blade 3 with size treated object corresponding with the size of gap H B is broken, and falls downwards as fragment C.

Fragment C is fallen on strainer 20, or is discharged via the open pore 22 of strainer 20, or from axially adjacent Space S (referring to Fig. 4) between extension 24 is discharged.

It falls in the fragment C on strainer 20, being crushed to can be by the fragment C of the size of open pore via opening Hole 22 is discharged.

On the other hand, the treated object B of elongate in shape is the treated object having passed through between spacer 10 and rotating blade 3 It B and unbroken can be extremely trapped on strainer 20 by the fragment C of the size of open pore 22.It is trapped on strainer 20 and is located Reason object B, fragment C continue to be broken by rotating blade 3 and broken protrusion 23.It is broken by rotating blade 3 and broken protrusion 23 The fragment C for being broken to size appropriate is fallen downwards through open pore 22.

Also, fragment C is also discharged from the space S between the adjacent extension 24 of axial A.That is, passing through one In the fragment C being crushed to rotating blade 3, the fragment C dug out by the rotating blade 3 of the second rotary shaft 2 is not through opening Oral pore 22 but fallen downwards through space S.

As described above, being not provided with strainer in the lower section of the second rotary shaft 2, therefore pass through the rotating knife of the second rotary shaft 2 Piece 3 is promptly discharged come the fragment C dug out.

Also, in the crusher of present embodiment 100, the first rotary shaft 1 than the second more low speed of rotary shaft 2 to revolve Turn.As a result, compared with the case where rotary shaft 1,2 is with the rotation of identical revolving speed, apply shearing force, therefore quilt according to treated object The crushing efficiency of processed material is higher.

According to above embodiment, it will not be detained from 2 side of the second rotary shaft without the fragment C for needing guiding through strainer and be arranged Out, therefore, compared with the case where strainer is set in two sides rotary shaft 1,2, it can be improved the treatment effeciency of treated object B.And And it is not provided with strainer in 2 side of the second rotary shaft, therefore can reduce the fragment C because being trapped on strainer due to is applied to The load of two rotary shafts 2.

Also, by making the treated object for having passed through the elongate in shape between spacer 10 and rotating blade 3 be trapped in filter On net 20, so as to prevent the treated object of elongate in shape from passing through.

Also, by strainer 20 be arranged in than the second more low speed of rotary shaft 2 come the lower section of the first rotary shaft 1 rotated, So as to use the excess power for the first rotary shaft 1 that will not be applied load compared with the second rotary shaft 2, filtered to being trapped in Fragment C on net 20 is crushed.That is, the driving of the driving device 5 of the first rotary shaft 1 of driving can be more efficiently used Power.

Also, strainer 20 is fixed using the secure component as bolt 28, and thus, it is possible to easily replace strainer 20。

In addition, in the above-described embodiment, being set as that the revolving speed for the first rotary shaft 1 that 20 side of strainer is arranged is made to be slower than second The revolving speed of rotary shaft 2, but it is not limited to this, can also be set as being faster than the revolving speed for the first rotary shaft 1 that 20 side of strainer is arranged The revolving speed of second rotary shaft 2.That is, strainer 20 can also be arranged in the lower section of the rotary shaft of high-speed side.

Strainer 20 is set by the lower section of the rotary shaft in high-speed side, to quickly carry out based on rotating blade 3 and filter The broken protrusion 23 of net 20 is crushed, therefore improves crushing efficiency sometimes.

(second embodiment)

Hereinafter, being illustrated with reference to the accompanying drawings to the crusher of second embodiment of the present invention.In addition, in present embodiment In, it is described centered on the discrepancy of above-mentioned first embodiment, and the description thereof will be omitted to identical part.

As shown in Figure 7, Figure 8, the spacer 10 of present embodiment has the axis installed in a manner of with 2 coaxial of rotary shaft Hold 32 and bearing 32 the spacer body 34 of cylindrical shape installed in a manner of with 2 coaxial of rotary shaft of outer peripheral surface.? It is clamped with the second spacer 33 between bearing 32 and the rotary shaft 2 of section hexagon shape, but can also will revolved according to bearing 32 The outer peripheral surface that the position of bearing 32 is installed in shaft 2 is set as cylindrical shape.

That is, the spacer 10 of present embodiment is installed in a manner of rotating freely relative to rotary shaft 2.

The extension 24 of the strainer 20 of present embodiment is connected by interconnecting piece 24a and spacer body 34 (spacer 10) It connects.That is, there is no radial gaps between the spacer 10 of present embodiment and the extension 24 of strainer 20.

According to above embodiment, another side of the width direction Y of strainer 20 can be firmly fixed.That is, can prevent Only extension 24 is deformed and is contacted with rotating blade 3.

More than, detailed content is illustrated to embodiments of the present invention, but do not departing from technical idea of the invention In range, various changes can be added.

For example, in the above-described embodiment, the revolving speed for being set as a pair of rotary shafts 1,2 is different, but can also be set as rotary shaft 1,2 revolving speed is identical.

Also, in the above-described embodiment, rotating blade 3 is set as having and is divided into multiple broken blades 7, but can also To use crushing cutter piece 7 and circumferential integral rotating blade 3.

Industrial availability

It can be improved the place of treated object compared with the case where strainer is set in the rotary shaft of two sides according to the crusher Manage efficiency.Also, in the other side, rotation shaft side is not provided with strainer, therefore can reduce due to being trapped in the fragment on strainer It is applied to the load of other side rotary shaft.

Symbol description

The first rotary shaft of 1-, the second rotary shaft of 2-, 3- rotating blade, 5- driving device, 6- knife rest, 7- are crushed blade, 9- Cutting edge portion, 10- spacer, 20- strainer, 21- scraper plate, 22- open pore, 23- are crushed protrusion, 24- extension, 25- shell, 26- bracket part, 27- bearing part, 28- bolt, 30- bending face, 100- crusher, A- is axial, the gap G-, L1, L2- rotation Track, Y- width direction (orientation).

Claims (3)

1. a kind of crusher, has:

A pair of rotary shafts configures in parallel relationship；

Multiple rotating blades, in each rotary shaft by along axial direction across interval in a manner of install, and be mounted on side institute The rotating blade in rotary shaft and the rotating blade being mounted in rotary shaft described in the other side are stated with from the axial direction of the rotary shaft Install the mode of a part of rotational trajectory overlapping when observation；And

Strainer is accepted broken in the outside of the rotational trajectory for the multiple rotating blades being mounted in rotary shaft described in side Object and fall prescribed level fragment below,

At least part of the end of the orientation of the pair of rotary shaft of the strainer is configured than being mounted on the other side The more inner side of rotational trajectory of the rotating blade in the rotary shaft,

The rotational trajectory of the rotating blade is that the outermost end of the cutting edge portion of the rotating blade rotates a circle the track to be formed.

2. crusher according to claim 1, wherein

The crusher has multiple installed in such a way that the rotating blade edge is axially alternate in the rotary shaft Spacing body,

The strainer extends to the outer peripheral surface of the spacer.

3. crusher according to claim 1 or 2, wherein

Revolving speed of the revolving speed of rotary shaft described in side lower than rotary shaft described in the other side.