JP3134500U - Sorting device - Google Patents

Abstract

The present invention provides a separation apparatus that is less likely to cause clogging of shaker and has high separation efficiency.
In a sorting apparatus that sorts through a screen mesh of a vibrating screen, a crushing member that collides (contacts) with a lump in an object to be separated on a screen surface and crushes is passively activated according to the vibration of the screen. It is arranged on the screen surface so as to vibrate periodically, and is configured to crush and pulverize a lump in the material to be separated flowing down between the crushing member and the screen. Innumerable projections 24 and irregularities are provided to enhance the crushing or crushing effect, and the projections and irregularities are always brought into and out of contact with the shaker 12 to prevent clogging of the shaker.
[Selection] Figure 3

Description

The present invention is a separation device for separating stones and soil from waste soil such as mixed soil in which not only stones and sand but also wood pieces, vinyl and concrete fragments etc. are mixed and mixed, which occurs in civil engineering construction sites, etc. More particularly, the present invention relates to sorting means (sorting means) of the sorting apparatus.

Conventionally, as the sorting means, a screen having a mesh or fork-like mesh is used, and in order to increase the sorting efficiency, the screen is installed with the screen surface inclined, and the screen. Is subjected to vibration, and the object to be separated, which has been thrown into or dropped on the upstream side of the screen, flows down the screen surface, and passes through the screen mesh (passage separation object). The screens are separated into non-permitted items (disconnected separation items), and screens having different mesh sizes are appropriately stacked at intervals of a plurality of stages.

A conventional sorting apparatus and sorting method will be briefly described with reference to FIGS.
The sorting apparatus shown in FIG. 7 is a schematic diagram showing the configuration of the sorting means 50 of the sorting apparatus configured so that the three screens 51, 52, and 53 overlap each other with an interval in the vertical direction. It is explanatory drawing which looked at three screens which comprise the distribution means from the side.

The three screens 51, 52, 53 are mesh-like, and the size of the screen is “large → small” in order from the top to the bottom screen, and each screen 51, 52, 53 is tilted. Are set parallel to each other.
Each of the screens 51, 52, 53 is configured to vibrate in the vertical direction or the horizontal direction during the sorting operation by vibration generating means (not shown).

The object to be separated that has been thrown into or dropped on the upstream side of the uppermost screen 51 is as follows.
In the process of flowing down on the surface of the vibrating first screen 51 while rolling or splashing by vibration, it is separated into a non-permeable fraction 1 that does not pass through the mesh and a passed fraction 2 that passes through (the first The separated fraction 1 is collected as the first fraction 1.

The passing fraction 2 passes through the non-passing fraction 2-1 that does not pass through the mesh in the process of flowing down on the surface of the vibrating second screen 52 while similarly rolling or jumping by vibration. The separated product 3 is separated (second separation), and the non-permitted product 2-1 is recovered as the second product (2-1).

The passing fraction 3 is separated (third fractionation) into the non-performing fraction 3-1 and the fraction 4 that has passed in the process of flowing down on the surface of the vibrating third screen 53 in the same manner. The rejected fraction 3 is collected as the third fraction (3-1), and the passing fraction 4 is collected as the fourth fraction (4).
In this way, the sorting apparatus shown in this conventional example sorts the objects to be sorted into four, with the screens having different mesh sizes being configured in three stages.

  However, in the separation apparatus having the above-described configuration, the screen is separated while applying vibration to the inclined screen. However, in the case of the separation object including the soil that is damp, for example, the waste soil that has been dug out of the ground. Since the moistened soil adheres to the screen sway (mesh) and easily becomes clogged, the device is stopped each time clogging occurs, and the work is stopped to eliminate clogging. Is often required.

In addition, once clogging starts, the separation function drops all at once, and even if the separation work is stopped, different kinds of different sorts are mixed into the original sort, and another sort work is necessary. It becomes.

Also, if waste soil with moisture is mixed in the material to be separated, it tends to become a lump of soil only while flowing down the screen. Therefore, there is an inconvenience that soil is mixed into the separated material that should not be mixed with waste soil, and separation is necessary again.

Also, moist soil can easily adhere to the surface of rubble such as stones, sand, asphalt blocks, concrete fragments, etc. in the material to be separated, and stones, sand, etc. may be separated while the soil is still attached. To do.

  Thus, with the structure of the conventional sorting apparatus, there is a problem that clogging of the shaker is likely to occur and clogging is likely to occur, making it difficult to efficiently collect and collect.

An object of the present invention is to solve such a problem, and it is an object of the present invention to provide a sorting apparatus that is less likely to cause clogging of the shaker and has high sorting efficiency.

The invention of the separation apparatus according to claim 1 is a non-permitted separation that flows down on the screen surface according to the size of the object to be separated, and a shaker formed on the screen surface. In the separation apparatus having the screen for separating into a separated product falling from the screen, a crushing member that crushes by touching a lump in the separated material flowing down on the screen surface is in response to vibration of the screen. In addition to being vibrated passively, the material to be separated is disposed on the screen surface so as to flow down between the crushing member and the screen.

  The device according to claim 2 is characterized in that, in the sorting apparatus according to claim 1, the lump is not only a lump of soil, but also a material constituting sand, stones or other objects to be separated. .

  The invention of claim 3 is the sorting apparatus according to claim 1 or 2, wherein the crushing member is a net spread on the screen surface.

According to a fourth aspect of the present invention, in the separation apparatus according to the third aspect, the net is provided so that the upper layer side of the separated material layer that flows down is dive under the net while touching the net.

According to a fifth aspect of the present invention, in the sorting apparatus according to any one of the third to fourth aspects, the net is a chain net formed by knitting chains in a lattice shape.

  The invention of claim 6 is the sorting apparatus according to any one of claims 3 to 5, wherein the mesh is formed between the screen edge and the screen surface so as to form an inlet for the object to be separated on the inclined upstream side of the screen. It is characterized in that it is lifted so that a gap is formed.

  The invention according to claim 7 is the sorting apparatus according to any one of claims 3 to 6, wherein the crushing member has a plurality of stages so that a plurality of nets do not overlap from an inclined upstream side to a downstream side of one screen. It is characterized by being provided over.

  The invention of claim 8 is the sorting apparatus according to any one of claims 3 to 6, characterized in that the chain is made of metal or synthetic resin.

  The invention of claim 9 is characterized in that in the sorting apparatus according to any one of claims 3 to 8, an infinite number of protrusions capable of entering and exiting the screen screen are provided on the surface of the chain.

  The invention of claim 10 is the separation apparatus according to claim 1 or 2, wherein the crushing member is a linked body in which a plurality of spherical bodies are linked in a single bead shape at intervals. .

The invention of claim 11 is the sorting apparatus according to claim 10, wherein the spherical body has irregularities formed on the surface thereof.

  A twelfth aspect of the invention is characterized in that, in the sorting device according to any one of the tenth and eleventh aspects, the spherical bodies are linearly linked by a rigid shaft.

  A thirteenth aspect of the present invention is the sorting apparatus according to the twelfth aspect, wherein the spherical body is rotatably passed through the shaft.

The invention of claim 14 is characterized in that, in the sorting device according to claim 10 or 11, the spherical bodies are linked by a flexible cable.

  The invention of claim 15 is the sorting apparatus according to claim 14, wherein the rope is a chain.

The invention of claim 16 is the sorting apparatus according to any one of claims 10 to 15, wherein the crushing member has a plurality of connecting bodies extending in a plurality of stages from the inclined upstream side of the single screen toward the downstream side. Thus, it is stretched in a direction crossing the flow direction of the object to be separated.

The device according to claim 17 is the separation apparatus according to any one of claims 10 to 15, wherein the connecting body is made of metal or synthetic resin.

  The invention of claim 18 is characterized in that in the sorting apparatus according to any one of claims 10 to 17, an infinite number of protrusions capable of entering and exiting the screen screen are provided on the surface of the spherical body.

  The invention according to claim 19 is the sorting apparatus according to claim 1 or 2, wherein the crushing member is freely fixed with the upstream end side being fixed from the inclined upstream side to the downstream side of one screen. It is a long object that has flowed down, and an infinite number of protrusions that can enter and exit the screen shaker are formed at least on the screen surface side of the long object.

  A twentieth aspect of the invention is characterized in that, in the sorting apparatus according to the nineteenth aspect, the long object is any one of a chain shape, a belt shape, and a rod shape.

  The invention of claim 21 is characterized in that, in the sorting apparatus according to claim 19 or 20, the long object is made of metal or synthetic resin.

The invention according to claim 22 is the separation apparatus according to any one of claims 1 to 21, wherein an object to be separated flowing down to the upstream side on the screen surface of the crushing member is leveled on the screen surface. It is characterized by arranging a leveling means.

  The invention of claim 23 is characterized in that, in the sorting apparatus according to claim 22, the leveling means is a rod-like member and is hung so that the lower end side is close to the screen surface in the axial direction of the rod. To do.

  According to each device of claims 1 to 23, in any case, the lump in the unsorted material flowing down on the screen surface is flowed down by the crushing member that vibrates passively according to the vibration of the screen. It is efficiently crushed by being subjected to two unsynchronized vibrations from the top and bottom of the screen and the crushing member while being blocked and subjected to downflow pressure, and it is efficiently crushed, as well as soil mass, stones, sand and concrete pieces In the state where the object to be separated is not on the screen, the crushing member that passively vibrates hits the screen surface. The attached deposits can be efficiently shaken off, and it is possible to provide a separation device that is less likely to be clogged and has a high separation efficiency as compared with conventional devices.

According to the inventions of claims 3 to 9, in any case, a mesh of soil that flows down on the screen surface or a lump of stone to which the soil adheres vibrates passively according to the vibration of the screen. The warp extending in the flow direction is blocked by the weft rope extending in the direction perpendicular to the flow direction while being prevented from detouring in the left-right direction, and is subjected to the flow pressure caused by the vibration of the screen and the weight of the lump. However, due to the two non-synchronized vibrations of the screen and the net (mesh) from the top and bottom, the soil lump is decomposed or the soil is peeled off from the non-attached material, and the lump is efficiently crushed. The

In addition, when the object to be separated is not on the screen, passively vibrating nets (mesh) strike the screen, so that the adhering matter adhering to the screen can be efficiently shaken off by the impact. it can.

According to the seventh aspect of the present invention, since a plurality of nets are provided in a plurality of stages so as to block the flow-down direction of the object to be separated, the mesh passes over the net installed on the upstream side. The next-stage net installed on the downstream side of the lump of waste soil that has popped up can be vibrated and impacted from the top of the lump to the screen surface side, so the lump can be crushed more efficiently. can do.

According to the inventions of claims 10 to 15, in any case, the lump that flows down on the screen surface is prevented from flowing in a detour in the left-right direction by a connecting body that passively vibrates according to the vibration of the screen. The flow is blocked, the screen is subjected to the flow pressure due to the vibration of the screen and its own weight, and the two lumps of the screen and the connected spherical body that are not synchronized from the top and bottom are efficient. Soil that adheres well to contaminants such as stones and concrete pieces can be efficiently separated from the contaminants, and in addition, the linkage that passively vibrates when there is no material to be separated on the screen. The (spherical body) hits the screen, and the impact can effectively shake off the screen deposits.

In claim 5 to claim 8 and claim 15, by using the net of the crushing member or the rope as a chain, the rings constituting the chain themselves slightly vibrate each other, so that the crushing action on the lump becomes more effective. At the same time, small lumps can be crushed or crushed into smaller lumps and powders, so that the pulverization efficiency can be further improved.

In Claims 9, 18, and 19, the crushing member is provided with an infinite number of protrusions that can enter and exit the screen shaker, whereby clogging of the shaker can be more effectively eliminated.

  In the invention of claim 22 and claim 23, the leveling means is placed in front of the crushing member, so that the effect of the crushing member located on the downstream side can be further improved.

Hereinafter, as the best mode of the present invention, Example 1 in which the crushing member is a net-like chain, Example 2 in which the crushing member is a linked body in which spherical bodies are connected by a rope, and the crushing member is a strip-like long object. Example 3 will be described as an example.

First, in FIG. 1, reference numeral 11 denotes a screen set so that a screen surface as a sorting unit constituting the sorting device is inclined, and the screen 12 of the screen 11 has a mesh shape. The screen 11 shown in the figure is one of a plurality of screens having different mesh sizes as a distribution means, which is configured in a plurality of stages, for example, the uppermost screen 11. .

Therefore, although not shown in FIG. 1, this distribution means has a mesh size of “large → small” in order from the top (top) to the bottom screen, and the screens are tilted in parallel. Each screen is configured to vibrate in the vertical and horizontal directions during the sorting operation by vibration generating means (not shown).

An object to be separated (not shown) thrown into or dropped on the upstream side of the uppermost screen 11 is flowing down on the surface of the vibrating screen 11 while rolling or jumping by vibration. The non-permitted fraction that does not pass through the sieve mesh 12 and the passed fraction that has passed are separated (second fractionation), and the non-permitted fraction is recovered as the first fraction 1.

The passing fraction that has dropped (passed) through the screen mesh 12 of the screen 11 rolls or vibrates on the surface of a second screen (not shown) that is installed under the uppermost stage (next stage) and vibrates. In the process of flowing down while bouncing, it is separated (second separation) into a non-permeable fraction (not shown) that does not pass through the second screen shake and a passed fraction (not shown) that passes. The disconnected fraction is collected as the second fraction (not shown).

In the same manner, the passage fraction 3 that has passed through the second screen shakes flows down on the surface of the (third) screen (not shown) in the lower stage (next stage) in the same manner. In the process of going through, it is separated (third separation) into a disconnected fraction and a passing fraction that has passed.
Thus, the sorting apparatus according to the first embodiment also sorts the objects to be sorted into several sorting groups by using a plurality of screens 11 having different mesh sizes as in the conventional case.

As shown in FIG. 1, in the first embodiment, a mesh-like crushing member 21 (hereinafter also referred to as a mesh-like crushing member) is passively formed on the surface of the uppermost screen 11 according to the vibration of the screen 11. So as to vibrate on the surface of the screen 11 so as to be vibrated, and a portion to be separated (not shown) is provided between the mesh-like crushing member 21 and the screen 11 spread like a net. In the upstream (end) side of the inclined screen 11 surface, the mesh edge of the mesh-like crushing member 21 is lifted so that a gap is formed between the screen 11 surface and the inlet of the separation object. 22 is formed.

Thus, by arranging the mesh-like crushing member 21 on the surface of the screen 11, the mesh 23 of the mesh-like crushing member 21 flows through the screen 11 surface from the upstream side in the soil to be separated. It comes into contact (impacts) with a lump of material, and contaminants such as stones and sand to which soil has adhered, and the lump is crushed or the adhered soil is peeled off.
Hereinafter, these actions are also referred to as crushing. In addition, a lump is not only a lump of soil, but also sand, stones, and other objects to be separated to which soil has adhered, and other objects to be separated. This refers to the lump etc.

The net-like crushing member 21 may be a net made of rope made of rope, wire, or the like, but as shown in FIG. 1, a chain net made of braided chains is more preferable.
By using the net of the crushing member 21 as a chain, the rings constituting the chain themselves slightly vibrate, so that the crushing action on the lump becomes more effective.
In addition, since the lumps can be crushed or pulverized into smaller lumps and powders, the pulverization efficiency can be further increased.
In addition, this net is preferable because it has a relatively heavy weight, for example, is made of metal or synthetic resin, because the impact force at the time of collision with the lump is large and the breaking action is increased.

FIG. 2 shows that a plurality of meshes as crushing members 21, that is, mesh-like crushing members 21 on a surface of one screen, for example, the uppermost screen 11, do not overlap from the inclined upstream side to the downstream side. In the example shown, the mesh-like crushing member 211, the mesh-like crushing member 212, and the mesh-like crushing member 213 are provided over three stages.

As described above, when a plurality of meshes are provided over a plurality of stages (mesh crushing members 211, 212, 213) so as to block the flow direction of the object to be separated, the mesh crushing member 211 installed on the upstream side With respect to a lump (not shown) such as a waste soil lump that has jumped up through the mesh 23, the next stage mesh crushing member 212 installed on the downstream side, the screen 11 surface from above the lump. Further vibrations and impacts can be applied toward the side, so that the lump that has come out to the upper surface side of the mesh without being sufficiently crushed from the previous stage of the mesh crushing member 21 is also efficiently produced by the next stage of the mesh crushing member 21. It is often crushed.

In FIG. 3, an infinite number of protrusions 24 that can enter and leave the mesh 12 of the screen 11 are provided on the chain net of the mesh-like crushing member 21. That is, an infinite number of protrusions 24 that can enter and exit the screen 12 of the screen 11 are provided on the surface of the chain constituting the mesh-like crushing member 21, at least on the screen 11 side surface.

In this way, if the chain mesh is provided with an infinite number of projections 24, the projections 24 come in and out of the screen 12 according to the vibration of the chain network, and the dirt adhering to the screen 12 is scraped off. The clogging of the shaker 12 is always prevented, and the work can be efficiently performed without being interrupted by the clogging.

According to the first embodiment, the mesh 23 of the crushing member 21 in which the lump of soil flowing down on the surface of the screen 11 or the lump of stone attached to the soil passively vibrates in response to the vibration of the screen 11, A warp that extends in the direction perpendicular to the flow direction (constituting a net), while a detour flow in the left-right direction of the flow is prevented by a warp line that extends along the flow direction (a warp that constitutes a net) While the flow is interrupted by the weft rope) and the flow pressure due to the vibration of the screen 11 and the weight of the lump is simultaneously received, the vibration timing is shifted in synchronism with the screen 11 and the mesh 23) from the upper and lower directions. Because of the impact caused by the two vibrations, the soil lump is decomposed and the soil is peeled off from the non-attached material more effectively than the conventional device, and the lump is efficiently crushed. Can do.

In addition, in the state where the object to be separated is not on the screen, the crushing member 21 (the mesh 23) that passively vibrates hits the surface of the screen 11, so that dirt or the like attached to the mesh 12 of the screen 11 due to the impact is attached. Kimono can be shaken off more efficiently than before.

  In addition, by configuring the net as the crushing member 21 with a chain, the rings constituting the chain themselves slightly vibrate, so the above crushing action on the lump becomes more effective, and the lump is further reduced to a smaller lump or powder. It can be crushed or pulverized, and the pulverization efficiency can be further increased.

Furthermore, by providing an infinite number of protrusions 24 on the chain mesh, the protrusions 24 enter and exit the swing mesh 12 according to the vibration of the chain mesh. It can be done efficiently.

Next, in FIG. 4, an example in which the crushing member disposed on the surface of the screen 11 is configured as a connecting body 33 in which a plurality of spherical bodies 31 are connected in a single bead shape at intervals will be described. .
The spherical body 31 constituting the connecting body 33 as the crushing member may be a simple sphere, an elliptical sphere, or a flat sphere, and the surface of the sphere may be smooth or may have moderate irregularities although not shown. The thing formed in the suitable space | interval may be sufficient.
Such a spherical body 31 comes into contact with and collides with a lump in the object to be separated flowing down on the surface of the screen 11, thereby crushing or crushing the lump into a smaller lump.

The shaft 32 constituting the connecting body, that is, the shaft 32 as a tie band that links the plurality of spherical bodies 31, in the illustrated example, linearly penetrates the spherical body 31 using a rigid shaft. By integrating a plurality of spherical bodies 31 in a skewered manner with a single shaft 32, the apparent mass of each spherical body 31 is increased and the destructive force against the lump is improved.

Such a connecting body 33 is stretched in a direction intersecting with the flow-down direction of the object to be separated (not shown) at intervals of a plurality of stages from the inclined upstream side to the downstream side of the single screen 11. The crushing member is constituted.
Moreover, it is preferable for the reason similar to the case of the said Example 1 that the connection body 33 as a crushing member is the product made from the metal similar to the said Example 1, or a synthetic resin.

In the illustrated example, the shaft 32 is supported so as to be movable up and down while being supported at both ends of the shaft, so that when the sphere 31 comes into contact with a lump that cannot be sufficiently pulverized, the sphere 31 gets over the lump. Thus, it is possible to crush with the downstream spherical body 31 arranged as the next stage. Moreover, when the spherical body 31 gets over the lump, the breaking force applied to the lump can be increased.

Accordingly, in this case, the spherical body 31 is prevented from moving in the axial direction so that the spherical body 31 does not escape from the left and right by contacting the lump, that is, so that the spherical body 31 rides on the lump. preferable.
Therefore, it is not always necessary that the strap is a rigid shaft, and a flexible rope, such as a rope, a wire, or a chain, may be used.
When a chain is used, the effect of crushing and crushing based on the slight vibration of the chain itself is exhibited as in the first embodiment.

Further, although not shown, the surface of the spherical body 31 as described above is provided with an infinite number of protrusions (not shown) that can enter and exit the screen 12 of the screen 11 as in the first embodiment. May be.
By providing such protrusions, the same effects as those of the first embodiment can be exhibited.

Next, the crushing member shown in FIG. 5 is fixed so that the inflow port 22 is formed on the upstream end side from the inclined upstream side of one screen 11 to the downstream side, and the downstream end side is the free end side. A flexible long object 41 is allowed to flow freely, and the surface of the long object 41, at least on the screen 11 surface side, is provided with an infinite number of protrusions 42 that can enter and exit the swing lines 12 of the screen 11. is there.

  The long object 41 as the crushing member is vibrated passively in response to the vibration of the vibrating screen 11 in the same manner as in the first and second embodiments, and is pushed by the downward flow of the object to be separated, or according to At the same time, hitting the lump being separated, the lump is crushed and crushed.

  Accordingly, the long object 41 is a belt-like object in the illustrated example, but is not limited thereto, and may be a chain-like or rod-like object (not shown). In short, any flexible material may be used as long as it can be bowed according to the flow of the material to be separated.

Therefore, instead of the protrusions 42, it is only necessary to provide appropriate irregularities on the surface of the long object 41 as in the first and second embodiments. By providing these protrusions 42 and irregularities, the crushing and crushing action is effectively performed on the lump, and the soil adhering to the shaker 12 of the screen 11 is removed. The same effect can be exhibited.

In each of the above embodiments, the crushing members 21, 33, and 41 do not have to be installed on all the screens of each stage constituting the distributing means, but a required screen, for example, as shown in the first embodiment. It may be installed only on the uppermost screen. In addition, the same reference numerals are the same throughout the embodiments.

In each of the above-described embodiments, the object to be separated flows down on the screen surface according to the size of the screen mesh while flowing down on the vibrating screen surface while vibrating the object to be separated. In a separation device that separates (non-permitted fractions) and separated items that fall through the shaker (passed fractions), it collides (contacts) with the lump in the separated items that flow down on the screen surface. The crushing member to be crushed is disposed on the screen surface so as to passively vibrate according to the vibration of the screen, and crushes the lump in the material to be separated flowing between the crushing member and the screen. The crushing member of this configuration is further provided with countless protrusions and irregularities that can be put in and out of the screen 11 to enhance the crushing or crushing effect on the lump, and the protrusions and depressions. It is obtained by a configuration in which constantly prevent sieve clogging by and out or in contact with the sieve of.

In FIG. 6, in the sorting apparatus of the above embodiment, the crushing member In this embodiment, the material to be separated flowing down to the upstream side of the screen 11 of the mesh-like crushing member 21 is relatively flattened on the surface of the screen 11. An example in which leveling means 60 for flowing down is arranged is shown.
The illustrated smoothing means 60 suspends a bar 61 having a triangular cross section so as to be swingable in the axial direction of the bar 61, and moves the bars 61 in the width direction of the screen 11 so that the lower end side of the bar 61 is close to the screen 11. That is, they are arranged in a row in a warm manner so as to be orthogonal to the flow direction of the object to be separated.

In this way, by adopting a configuration in which the leveling means 60 is placed in front of the crushing member 21, the above-described effects of the crushing member 21 positioned on the downstream side can be further improved.
The leveling means 60 of the embodiment uses a bar 61 having a triangular cross section, but is not limited thereto. In short, any means may be used as long as it can level the objects to be separated so that the crushing member 21 can work efficiently.

  The present invention is not only for separating stones and soil from waste soil such as mixed soil generated at civil engineering construction sites, but also for separating sand and stones containing soil used in quarries and quarries, as well as quarrying. It can be widely used in the separation of mine, sand pit, or earth pit, and general and industrial waste.

It is a perspective view of the crushing means of Example 1 (Example 1). It is a perspective view which shows the modification of the crushing means of Example 1 (Example 1). It is a perspective view which shows the other modification of the crushing means of Example 1. (Example 1). It is a perspective view of the crushing means of Example 2 (Example 2). It is a perspective view of the crushing means of Example 3 (Example 3). It is a perspective view of the leveling means placed in the upstream of the crushing means of Examples 1 to 3 (Example 4). It is a schematic diagram which shows the structure of the distribution means of the conventional sorting apparatus (conventional example). It is side surface explanatory drawing of FIG. 7 (conventional example).

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Screen 12 Shaking mesh 22 Input port 23 Mesh | network 24 Protrusion 31 Reticulated crushing means (crushing means)
32 axis (strand)
33 Linkage (crushing means)
34 Support pillar 41 Long object (crushing means)
42 Protrusion 60 Leveling means

Claims (23)

The material to be separated flows down on the screen surface while vibrating, and is divided into a non-permitted material that flows down on the screen surface according to the size and a passing material that falls from the shaker formed on the screen surface. In the separation apparatus provided with the screen,
A crushing member that crushes by crushing a lump in the object to be separated flowing down on the screen surface passively vibrates according to the vibration of the screen, and separates between the crushing member and the screen. A sorting device, wherein the sorting device is arranged on the screen surface so that an object flows down.   2. The sorting apparatus according to claim 1, wherein the lump is not only a lump of soil but also sand, stones or other objects to be separated to which the soil is attached.   The sorting device according to claim 1 or 2, wherein the crushing member is a net spread on a screen surface. 4. The sorting apparatus according to claim 3, wherein the net is provided so that the upper layer side of the separation object layer that flows down dives under the net while touching the mesh. The sorting apparatus according to any one of claims 3 to 4, wherein the net is a chain net obtained by knitting a chain in a lattice shape.   6. The screen according to claim 3, wherein the screen is lifted so that a gap is formed between the screen edge and the screen surface so as to form an inlet of the separation object on the inclined upstream side of the screen. Sorting device according to.   The crushing member is provided in a plurality of stages so that a plurality of nets do not overlap from the inclined upstream side of one screen toward the downstream side. Sorting device.   The sorting apparatus according to any one of claims 3 to 6, wherein the chain is made of metal or synthetic resin.   The sorting device according to any one of claims 3 to 8, wherein an infinite number of protrusions capable of entering and exiting the screen shaker are provided on the surface of the chain.   The sorting device according to claim 1 or 2, wherein the crushing member is a linked body in which a plurality of spherical bodies are linked in a single bead shape at intervals. The separation device according to claim 10, wherein the spherical body has irregularities formed on a surface thereof.   12. The sorting apparatus according to claim 10, wherein the spherical bodies are linearly linked by a rigid axis.   The sorting device according to claim 12, wherein the spherical body is rotatably passed through the shaft. 12. The sorting apparatus according to claim 10, wherein the spherical bodies are linked by a flexible cable.   15. The sorting apparatus according to claim 14, wherein the rope is a chain. The crushing member is characterized in that a plurality of linked bodies are stretched in a direction intersecting with the flow-down direction of the object to be separated from the inclined upstream side of the single screen toward the downstream side in a plurality of stages. Item 16. The sorting device according to any one of Items 10 to 15. The sorting apparatus according to any one of claims 10 to 15, wherein the connecting body is made of metal or synthetic resin.   The sorting device according to any one of claims 10 to 17, wherein the surface of the spherical body is provided with an infinite number of protrusions that can enter and exit the screen shaker.   The crushing member is a long object whose upstream end side is fixed and flows down freely from the inclined upstream side of one screen to the downstream side, and at least the screen surface side of the long object has a screen The sorting device according to claim 1, wherein an infinite number of protrusions that can enter and exit the screen are formed.   20. The sorting apparatus according to claim 19, wherein the long object is one of a chain shape, a belt shape, and a rod shape.   21. The sorting apparatus according to claim 19, wherein the long object is made of metal or synthetic resin. The leveling means which levels the to-be-sorted article which flows down on the screen surface of a crushing member is arranged on the screen surface, The above-mentioned any one of Claims 1 thru / or 21 characterized by things. Sorting device.   23. The sorting apparatus according to claim 22, wherein the leveling means is a rod-like member and is hung so that the lower end side thereof is close to the screen surface in the axial direction of the rod.

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