JP2824419B2 - Sorting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of screening selected crops having different sizes and weights, such as crops such as cereals, various mixed wastes discharged from homes, business establishments and house demolition sites, through a screen passing material and a screen. The present invention relates to a sorting machine that sorts a heavy material and a light material with the upper residue.

[0002]

2. Description of the Related Art In recent years, the environment surrounding waste has changed,
Following the "Recycling Resource Promotion Act"
In June 1995, the “Act on the Promotion of Separated Collection and Recycling of Containers and Packaging (Container and Packaging Recycling Law)” was enacted and promulgated, and the previously stable waste was changed to a management type. The landfill has not been easy. With such a change in living environment, it has become an important issue to use waste plastic containers, roll paper, books and magazines, wood chips, cloth chips, fiber chips, paper chips, and the like as recycled resources. Attention has been paid to the development of efficient waste sorting technology to solve the problem.

[0003] Conventionally used sorting machines include:
There is a type in which an object to be sorted is supplied and sieved in a horizontally driven horizontal cylindrical screen, and the screened material and the residue are sorted. The structure is simple, the sorting speed is fast and the reputation is high.

[0004]

However, the conventional sorting machine as described above has a small action of unraveling a lump or a bundle in the case of using power, and can sort only in a large size. It is. Further, when a sticky material to be sorted such as wet or wet leftovers is supplied, there is a problem that a hole in the screen is closed and the sorting ability is greatly reduced.

The present invention has been devised in view of the above, and it has been proposed to dissolve an object to be supplied irrespective of intermittent or continuous, and to separate the object into two types in size and weight. The screen can be separated into three types: heavy objects and light-weight objects that pass through the screen and residues on the screen, and clogging of the screen holes against sticky items that are sticky, such as wet or wet scum. It is an object of the present invention to provide a sorting machine with high sorting workability that does not cause a problem.

[0006]

In order to achieve the above-mentioned object, according to the present invention, a sorting machine according to the first aspect of the present invention is provided with a slant which receives materials to be sorted having different sizes and weights from above a longitudinal middle portion. The sorting means is constituted by a screen and a saw-tooth member and is supported by eccentric driving means including a crank mechanism, and is reciprocally driven at least partially in the vertical and inclined directions so as to feed the object to be inclined upward. The screen passing object is dropped from the screen, and the heavy object and the easy-to-roll object are dropped from the lower end of the inclined sorting means by the inclination, and the light object is moved upward by the inclination. , It is configured to drop from the upper end of the inclined sorting means.

Accordingly, in this sorting machine, the inclined sorting means is reciprocally driven at least partially in the vertical direction and the inclined direction by the eccentric driving means, and the sorting object is shaken obliquely upward to break up the lump or bundle. Even a sticky and sticky material to be selected is shaken and passed through the screen hole to efficiently drop the material that has passed through the screen such as earth and sand, leftovers, and tea leaves from the screen hole without causing clogging. At the same time, the pottery pieces, metal pieces, hardware, empty cans, PET
Bottles, blocks, stones, shoes and other heavy or easily rolled objects are unrolled and fall down, and fiber scraps, paper, trays, wood chips, It conveys and sorts lightweight objects such as plastic sheets.

[0008] According to a second aspect of the present invention, the inclination selecting means includes:
When covered by a casing that is composed of both side walls and a top wall and that has a supply port for a material to be sorted in the middle part of the top wall, it is possible to enhance the soundproofing effect and prevent dust from rising.

According to a third aspect of the present invention, the eccentric driving means includes:
The configuration of the eccentric drive means is simplified by comprising a crank mechanism that supports and drives the inclined upper portion or lower portion of the inclined sorting device and a column that swingably supports the inclined lower or upper portion of the inclined sorting device. In addition, it is possible to perform the swinging drive upward and diagonally enough.

According to a fourth aspect of the present invention, the eccentric driving means includes:
2 for supporting and driving the upper and lower portions of the tilt selecting means
When the crank mechanism is constituted by a set of crank mechanisms, a strong slanting upward swing drive can be performed by synchronous drive, and a powerful lump or bundle can be released by a drive shifted in timing.

According to a fifth aspect of the present invention, the inclination selecting means includes:
When the inclination is adjusted by the telescopic jack means via the support frame of the eccentric drive means, the separation branch point of the residue on the screen into a heavy and light object is changed according to the type of the mixture of the object to be selected, Further, the sorting branch point can be changed according to the state of the sorting object such as drying or wetness.

According to a sixth aspect of the present invention, when the casing is provided with an air injection means for generating an air flow from an inclined lower portion to an upper portion, the sorting object input from the intermediate portion is dissolved by the air flow. Glue and tape or sheet are blown off in an inclined upward direction to promote sorting.

[0013] According to a seventh aspect of the present invention, the inclination selecting means includes:
If it consists of a replaceable screen consisting of a punching board or a grid and a sawtooth member spaced apart in its width direction, the screen holes can be changed by changing the screen and the particle size of the screen passing material can be selected. In addition, the heavy object drops smoothly without being disturbed by the sawtooth member, and the sorting is promoted.

[0014] As described in claim 8, the inclination selecting means includes:
If a replaceable screen made of a punching board or a lattice board is formed by bending in a sawtooth shape, the residence time of the heavy object on the screen is increased, and the sorting branch point is increased in sorting to a lighter object. On the other hand, the screen passing material is sufficiently shaken off to increase the sorting accuracy and to simplify the structure.

According to a ninth aspect of the present invention, the crank mechanism comprises:
If the crank web has a plurality of crankpin mounting holes from outside to inside so that the crankpin position can be changed with respect to the crankshaft, selecting the crankpin mounting hole and mounting the crankpin will cause the degree of shaking Can be selected.

According to a tenth aspect of the present invention, when the number of arranged saw-tooth members is increased or decreased in accordance with the material or the like of the object to be sorted, the number of arranged sawtooth members increases as the number of arranged objects increases, and the number of arranged objects increases. If the number is reduced, the amount sorted to the heavy object side increases.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the use of the sorting machine of the present invention for sorting mixed waste will be described in detail with reference to the accompanying drawings. FIG. 1 is a longitudinal sectional side view of a sorter of a representative embodiment according to the present invention, and FIG. 2 is a II-II in FIG.
Sectional view along the line, FIG. 3 is a plan view of the inclined sorting means of the sorting machine, FIG. 4 is a side view of a crank mechanism of the eccentric driving means,
FIG. 5 is an explanatory side view illustrating the configuration of another eccentric driving means,
FIG. 6 is an explanatory plan view for explaining the configuration of another inclination selecting means,
FIG. 7 is an explanatory plan view illustrating the configuration of still another inclination selecting means.

In FIG. 1 to FIG. 3, a sorter 1 according to a representative embodiment of the present invention is a sorter 1 of a mixed waste W of sorts having different sizes and weights, which has been crushed in advance from above a middle portion in the longitudinal direction. The inclined sorting block 10 to be supplied is constituted by a screen 11 and a saw-tooth member 15, and a crank mechanism 21 is provided.
And a reciprocating drive in the vertical and inclining directions such that the movement is largest at the upper end of the inclination and smallest at the lower end of the inclination (the radius of the crankpin shown by arrow A1 in the side view of FIG. 1). (Circular drive) to send the waste W upward and incline (arrow A2 in FIG. 1), and let the screen passing material S fall through the screen 11, dropping the heavy material (including the easily rolling material) from the residue on the screen. ) It is configured such that the light weight L is dropped from the upper end of the inclined sorting block 10 by the above-mentioned feeding while dropping from the lower end of the inclined sorting block 10 by tilting while releasing the H.

The tilt selection block 10 is connected via an eccentric drive device 20 on a tilt frame 5 which is connected to the base 2 at one end by a connecting hinge 4 and the degree of tilt is set at the other end by a pair of left and right jacks 3. Supported. The upper part of the inclined sorting block 10 is covered with a casing 30. The casing 30 includes two side walls 31 and a top wall 32.
And a waste supply port 33 at the middle of the top wall, a light-weight discharge part 34 at the inclined upper end, a heavy-weight discharge part 35 at the inclined lower end, and upward from the inclined lower part. An air injection device 41 that generates an air flow is provided,
Releasing the waste W input from the middle part with the air flow,
Light tapes and sheets are tilted and blown up to facilitate sorting. The intensity of the air flow from the air injection device 41 can be changed.

The screen 11 of the inclined sorting block 10
Consists of a punching board and a lattice board, 25mm
It has many sieve holes of the following diameters and squares, and is prepared as several types of replaceable screens for each sieve hole diameter, and the selected one is fixed on the block frame 10A with screws. When it is shaken by the eccentric drive device 20, the mixed waste W is well melted, and the material S passing through the screen such as earth and sand, leftovers, and tea leaves is efficiently dropped from the sieve hole without causing clogging. On the screen 11, a plurality of vertically long sawtooth members 15 are spaced at regular intervals in the width direction.
However, a light material L such as fiber waste, paper, a tray, a piece of wood, a plastic sheet or the like is sent in a circular motion in an inclined upward direction, is conveyed while being inherited by saw teeth, and is dropped from the light material discharge part 34. Increasing the number of the saw-tooth members 15 increases the amount of sorting on the light-weight side, and decreasing the number of arrangements increases the amount of sorting on the heavy-weight side. On the other hand, the screen 11 between the sawtooth members 15
Above, heavy objects H such as pottery pieces, metal pieces, hardware, empty cans, PET bottles, blocks, stones, shoes, etc. are rolled or slid by the inclination and dropped from the heavy object discharge unit 35.

The eccentric drive unit 20 includes a tilt selection block 1
The crank mechanism 21 is configured to support the inclined upper portion of the tilting block 10 on both left and right sides to drive in a circle, and a pivot support column 29 for supporting the inclined lower portion of the inclined sorting block 10 on both the left and right sides so as to swing as indicated by an arrow A3. ing. The crank mechanism 21 is provided as a pair of left and right sides. The crank mechanism 21 rotatably supports the crankshaft 22 by a bearing B installed on the support 6 on the inclined frame 5, and is mounted on a crank web 23 integrally attached to the crankshaft 22. Attach the crank pin 24 to the eccentric state,
The crank pin 24 is rotatably inserted into a hole of a bracket 19 protruding from the upper part of the inclined sorting block 10 at the inclined upper part.

Accordingly, the crank mechanism 21 uses the variable speed inverter motor 25 on the inclined frame 5 to drive the sprocket wheel 2 with the chain 26 and the crankshaft 22.
When the rotary drive is performed at 40 to 50 rpm through the rotary switch 7, reciprocal drive in the up-down direction and the tilt direction, that is, circular motion drive is performed so as to perform the above-described tilting-up feeding action. Although the drive of the crankshaft 22 is performed only on one side, the left and right crankpins 24 are connected to one, and the circular motion drive is performed on both the left and right sides in synchronization. Further, as shown in FIG. 4, the crank web 23 is provided with a plurality of mounting holes 23A for the crankpins 24 with different degrees of eccentricity so that the degree of rocking with respect to the inclined sorting block 10 can be changed. Along with the change, the position of the balance weight 23B can be changed.

Another embodiment of the eccentric drive device 20 'shown in FIG.
The upper and lower inclined portions of the inclined sorting block 10 are supported on the left and right sides by four sets of crank mechanisms 21. As shown in the figure, a circular drive is performed synchronously, or a circular drive that vibrates asynchronously and violently. It is also configured to do. In this case, the pivot strut 29 is omitted. The transmission of the driving force from the left crank mechanism 21 to the right crank mechanism 21 is as described above, but the transmission of the driving force from the upper inclined side to the lower inclined side is as follows.
This is performed by adding a sprocket wheel 27A to each crankshaft 22 and hanging a chain 26A over them.

FIG. 6 also shows the inclination sorting block 10 '.
As shown in the figure, the teeth of the saw-tooth members 15 ′ are individually mounted on the screen 11 in a staggered manner, so that the action of separating the waste is strengthened and the residence time on the screen is lengthened to set the sorting branch point. It is possible to increase the sorting accuracy by increasing the sorting to light objects, or to sufficiently shake off the objects passing through the screen to increase the sorting accuracy. Further, as shown in FIG. 7, the saw-tooth member can be formed integrally by bending the screen 11 'into a saw-tooth shape. In this case, too, the residence time of the heavy object on the screen is lengthened and the sorting branch point is formed. It is possible to increase the sorting to lighter ones, and to sufficiently shake off the objects passing through the screen to increase the sorting accuracy and to simplify the structure. If the emphasis is on making it easy for the heavy object to slide down, a plurality of vertically long flat portions may be formed thereon. Although the sorting machine 1 of the representative embodiment is for sorting waste, it goes without saying that the sorting machine of the present invention is also used for sorting agricultural products such as cereals.

[0025]

As is apparent from the above description, according to the sorting machine of the first aspect of the present invention, the eccentric driving means reciprocates at least partially in the vertical and tilt directions by the eccentric driving means. The object to be sorted is shaken obliquely upward to break up clumps and bundles, and even the sticky object to be shaken is allowed to pass through the screen holes to efficiently remove soil and sand without clogging. It is possible to sort by passing through the screen holes such as leftovers and tea flakes from the screen holes, and at the same time, from the residue on the screen, by the inclination of the inclined selection means, pottery pieces, metal pieces, hardware, empty cans, PET bottles, blocks, Rolling down heavy objects such as stones, shoes, etc., and falling easily, and falling down. It can be selected by carrying the weight of the plastic sheet.

According to the second aspect of the present invention, the inclined sorting means is covered by a casing having both side walls and a top wall, and provided with a supply port for a material to be sorted at an intermediate portion of the top wall, and has a soundproof effect. And dust can be prevented from rising.

According to the third aspect of the present invention, the eccentric drive means supports the crank mechanism which supports and supports the upper or lower portion of the inclined sorting means, and swings the lower or upper inclined portion of the inclined sorting means. The eccentric drive means can be simplified, and a sufficient obliquely upward swing drive can be performed.

According to the fourth aspect of the present invention, the eccentric drive means is constituted by two sets of crank mechanism means which support and drive the upper and lower portions of the inclined selecting means. It is possible to perform a slanting upward swing driving, and to perform a powerful lump and bundle releasing action by driving at a shifted timing.

According to the fifth aspect of the present invention, the inclination selecting means is adjusted in inclination by the telescopic jack means via the support frame of the eccentric drive means, and remains on the screen according to the kind of the mixture of the objects to be selected. It is possible to change the sorting branch point of the object into a heavy object and a light object, and further, change the sorting branch point according to the state of the object to be sorted such as drying or wetness.

According to a sixth aspect of the present invention, the casing is provided with air injection means for generating an air flow from an inclined lower portion to an upper portion, and a sorting object inputted from an intermediate portion is provided. It is broken by an air stream, and the tape or sheet is blown off in an inclined upward direction to promote sorting.

According to a seventh aspect of the present invention, the inclined sorting means comprises a replaceable screen made of a punching board or a lattice board and a sawtooth member spaced apart in the width direction of the screen. Can be changed by changing the screen, and the particle size of the material passing through the screen can be selected. In addition, the heavy object drops smoothly without being disturbed by the sawtooth member, and the sorting is promoted.

According to the present invention, the inclined sorting means is constituted by bending a replaceable screen formed of a punching board or a lattice board in a saw-tooth shape, and retaining heavy objects on the screen. As the time becomes longer, the sorting branching point is changed so as to increase the sorting into light-weight objects, the objects passing through the screen are sufficiently shaken off, the sorting accuracy is increased, and the structure is simplified.

According to the ninth aspect, the crank mechanism has a plurality of crankpin mounting holes on the crank web from the outside to the inside so that the position of the crankpin with respect to the crankshaft can be changed. By selecting the crankpin mounting hole and mounting the crankpin, the degree of swing can be selected.

According to the tenth aspect of the present invention, the number of sawtooth members arranged is increased or decreased according to the material or the like of the object to be sorted. ,
If the number of arrangements is reduced, the amount of sorting on the heavy object side can be increased.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view of a sorting machine of a representative embodiment according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a plan view of an inclined sorting means of the sorting machine.

FIG. 4 is a side view of a crank mechanism of the eccentric drive unit.

FIG. 5 is an explanatory side view for explaining the configuration of another eccentric driving means.

FIG. 6 is an explanatory plan view for explaining the configuration of another inclination selecting means.

FIG. 7 is an explanatory plan view illustrating the configuration of still another inclination selecting means.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sorting machine 3 Telescopic jack means 5 Supporting frame 10, 10 'Inclination sorting means (Inclination sorting block) 11, 11' Screen 15, 15 'Saw-tooth member 20 Eccentric drive means (Eccentric drive device) 21 Crank mechanism 22 Crankshaft 23 Crank Web 23A Crank pin mounting hole 24 Crank pin 29 (Pivot) spindle 30 Casing 31 Side wall 32 Top wall 33 Supply port 41 Air injection means (Air injection device) 45 Screen holder H Heavy L Light weight S Screen passing material W Non Sorted material (waste)

Claims (10)

(57) [Claims] 1. A screen and a sawtooth member, which are provided with inclined selecting means for receiving objects to be sorted having different sizes, weights, and properties from above a middle portion in the longitudinal direction, are supported by eccentric driving means including a crank mechanism, and are supported by eccentric driving means. At least partially reciprocate in the vertical and inclined directions so as to feed the sorted material upward and in the inclined direction, so that the material passing through the screen drops from the screen and the residue on the screen easily rolls with heavy objects. A sorting device configured to drop a light object from the lower end of the inclined sorting means by inclining, and to drop a light-weight object from the upper end of the inclined sorting means by feeding the residue on the screen upward. 2. The sorting machine according to claim 1, wherein said inclined sorting means comprises a casing having both side walls and a top wall, and a casing having a supply port for a sorting object at a middle portion of the top wall. 3. The eccentric driving means includes a crank mechanism for supporting and driving an upper or lower part of the inclined selecting means, and a column for swingably supporting an inclined lower or upper part of the inclined selecting means. The sorter according to claim 1, comprising: 4. The sorting machine according to claim 1, wherein said eccentric drive means comprises two sets of crank mechanism means for supporting and driving an upper portion and a lower portion of said tilt selecting device. 5. The sorter according to claim 1, wherein the tilt selecting means is tilt-adjusted by a telescopic jack means via a support frame of the eccentric drive means. 6. The sorter according to claim 1, wherein the casing is provided with air injection means for generating an air flow from an inclined lower portion to an upper portion. 7. The sorting machine according to claim 1, wherein said tilting sorting means comprises a replaceable screen made of a punching board or a lattice board, and a sawtooth member spaced apart in the width direction thereof. . 8. The sorting machine according to claim 1, wherein said inclined sorting means is constituted by bending a replaceable screen made of a punching board or a lattice board in a saw-tooth shape. 9. The crank web according to claim 1, wherein the crank mechanism has a plurality of crankpin mounting holes from outside to inside so that the position of the crankpin with respect to the crankshaft can be changed. Sorting machine. 10. The sorting machine according to claim 1, wherein the number of the saw-tooth members is increased or decreased according to the material of the sorting object.