KR101081607B1 - Apparatus for treating food waste - Google Patents

Abstract

Food waste disposal apparatus is disclosed. The food waste processing apparatus includes a housing in which a shredding unit is installed to shred food waste introduced into an upper portion thereof, and a discharge hole is formed at a side thereof; A drum housed in the housing to dehydrate and discharge the shredded food waste by centrifugal force due to rotation; And a driving motor installed at an outer lower side of the housing and rotating the shredding unit and the drum, wherein the drum includes a pair of drums which are detachably coupled to each other, and at least one of the pair of drums. Is coupled to the rotating shaft of the drive motor to be elevated, and the dehydrated food waste is discharged to the discharge port by the drum to be elevated.

Residue, food, garbage, centrifugal force, dehydration, discharge, spline, thrust

Description

Food Waste Disposal Device {APPARATUS FOR TREATING FOOD WASTE}

The present invention relates to a food waste treating apparatus for efficiently discharging the crushed food waste using centrifugal force and then efficiently discharging it.

Food waste should be discharged without moisture to prevent leach water by the food waste disposal method.

To this end, a food waste treatment apparatus has been developed and used to prevent leachate from occurring in the food waste by crushing, pressing, and transporting the food waste with a rotating screw.

In the conventional food waste treatment apparatus as described above, if food waste is not continuously supplied from the rear of the screw, the food waste remains stuck in the groove of the screw. Then, there is an unsanitary disadvantage, such as corruption of food waste remaining in the screw.

In addition, the conventional food waste processing apparatus has a disadvantage in that the crushing force is lowered when a large amount of food waste is input because the screw crushes the food waste.

The present invention has been made to solve the problems of the prior art as described above, an object of the present invention to provide a sanitary food waste treatment apparatus that can perform the dehydration and discharge of food waste at the same time using a centrifugal force.

Another object of the present invention is to provide a food waste treatment apparatus capable of efficiently discharging dehydrated food waste.

Still another object of the present invention is to provide a convenient food waste treatment apparatus capable of performing crushing, dehydration and discharge of food waste through one rotating shaft.

The purpose of the above, the housing is installed with a shredding unit for shredding the food waste flowing into the upper portion and the discharge port is formed on the side; A drum housed in the housing to dehydrate and discharge the shredded food waste by centrifugal force due to rotation; And a driving motor installed at an outer lower side of the housing and rotating the shredding unit and the drum, wherein the drum includes a pair of drums which are detachably coupled to each other, and at least one of the pair of drums. The food waste is dehydrated by being coupled to the rotary shaft of the drive motor by lifting and lowering is achieved by a food waste processing apparatus discharged to the discharge port.

In addition, the above object, the housing containing the shredding unit for shredding the incoming food waste on the top, the housing for draining the dewatered water from the shredded food waste and discharge the dewatered food waste; A drum housed in the housing to dehydrate the crushed food waste by centrifugal force due to rotation; And a driving motor installed outside the housing and rotating the shredding unit and the drum, wherein the drum includes a pair of drums which are detachably coupled to each other, wherein the pair of drums are spaced apart during rotation. And the dehydrated food waste is discharged from the housing through the portion of the centrifugal force which is the largest.

Preferably, the drum is coupled to the rotating shaft of the drive motor, the upper drum is formed with an opening through which the crushed food waste is formed, the upper drum formed with a plurality of drain holes in the front; And a lower drum rotatably coupled to the rotary shaft of the drive motor to face the upper drum, and having a plurality of drain holes formed on the front surface thereof.

Preferably, a protrusion is integrally formed at the center of the bottom of the lower drum, and a plurality of blades are inserted through a ring bearing on the outer circumference of the lower drum so that the blades are rotated regardless of the rotation of the lower drum. Rotate independently with inertia

Preferably, the lower drum is coupled to the rotating shaft of the drive motor via a thrust bearing unit provided on its rear surface, the thrust bearing unit is lifted by the drive of the lifting drive motor.

Preferably, a sealing member is further provided in the housing to correspond to a boundary portion of the upper drum and the lower drum, and an opening is formed in the sealing member to face the discharge port of the housing, and the opening is provided with a lifting plate. It is opened and closed by.

Preferably, the upper opening of the upper drum is formed with a plurality of support ribs along the edge, the end of the support rib is fixed to the axial coupling tube, the blade is formed on both sides of the support rib to add the shredded food waste Can be broken into

According to the above structure, it is possible to simultaneously perform dehydration and discharge of food waste by using centrifugal force, which is hygienic.

In addition, the dehydrated food waste can be efficiently discharged by applying the centrifugal force and the blade.

In addition, since the crushing, dehydration and discharge of food waste are performed via one rotating shaft, the structure is simple and convenient to use.

Hereinafter, with reference to the accompanying drawings will be described in detail the food waste treatment apparatus according to an embodiment of the present invention.

1 is an external view of a food waste treating apparatus according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, FIG. 3A is a sectional view taken along the line “AA” of FIG. 1, and FIG. 3B is a “ P "enlarged view.

Cover (120)

The cover 120 is coupled to a sink (not shown) and the like, and food waste is introduced into the case 120 together with water.

The cover 120 has openings formed in upper and lower portions thereof so as to penetrate up and down, and is sealingly coupled to the housing 110 to be described later.

housing (110)

As described above, the housing 110 is coupled to the lower portion of the cover 120.

The housing 110 is formed of an upper housing 111 and a lower housing 115 which are detachably coupled to each other, and have openings coupled to each other by having a shape of a flat circular container.

<Upper housing 111>

A depression 112 is formed at the center of the upper housing 111, and an outlet 112a is formed along the lower edge of the inner circumferential surface of the depression 112. Here, the outlet 112a serves as a passage through which the crushed food waste is discharged to the housing 110.

An end portion of the rotating shaft 131 protrudes from the center of the bottom of the recess 112, and the shredding unit 140 is rotatably fixed thereto.

Referring to FIG. 3A, the shredding unit 140 has a rotating plate 141 coupled to the rotating shaft 131 and a cutter 143 coupled to the rotating plate 141. According to this configuration, since the shredding unit 140 is rotated to shred the food waste introduced into the depression 112, it is possible to efficiently shred a large amount of food waste.

Here, since the food waste is crushed by the rotation of the crushing unit 140, the crushed food waste is subjected to centrifugal force. Therefore, in order for the crushed food to be discharged to the housing 110 through the outlet 112a, it is preferable to form the outlet 112a opposite to the edge of the rotating plate 141 of the crushing unit 140.

<Lower housing 115>

A discharge port 116 for discharging the dehydrated food waste and a drain hole 118 for draining the dehydrated water are formed at a side of the lower housing 115, and a drain pipe 119 is connected to the drain hole 118. Therefore, the bottom of the lower housing 115 is preferably formed to be inclined toward the drain 118 to facilitate drainage.

In addition, a locking groove 117 protrudes inward from an inner circumferential surface of the lower housing 115 corresponding to a bottom surface of the discharge port 116. As the locking groove 117 is described later, when the blocking plate 185 that opens and closes the opening 181a of the sealing member 181 is lowered, the lower end of the blocking plate 185 is inserted so that the blocking plate 185 is closed. It is in close contact with the inner surface of the lower housing 115 to completely block the discharge port 116.

A shaft hole 115a is formed at the bottom center of the lower housing 115, and a center gear 165, which will be described later, is rotatably fitted, and the rotation shaft 131 is coaxially coupled to the center gear 165 to rotate.

Drum (150)

The drum 150, which is coupled to the rotating shaft 131 and rotates inside the housing 110, is accommodated. The drum 150 dehydrates the shredded food waste stored therein by the centrifugal force generated by the rotation of the drum 150, and extrudes the water. The discharge port 116 of the housing 110 also uses the centrifugal force. Discharge to outside through.

The drum 150 is formed of an upper drum 151 and a lower drum 155, and has a substantially funnel shape, but is not limited thereto. For example, the upper drum 151 may be formed in a disc shape. However, the lower drum 155 preferably has an inclined surface so that food waste easily moves by centrifugal force.

The drum 150 may be formed by injection molding of plastic or by covering a metal mesh on a structural frame. A plurality of drain holes 151a and 155a for discharging water extruded from the food waste by centrifugal force are uniformly distributed on the front surface of the drum 150.

If necessary, by attaching a hot wire or the like to the drum 150, the dehydrated food waste may be dried and then discharged.

<Upper drum 151>

The upper drum 151 is formed in a substantially inverted funnel shape, and a lower portion of the recess 112 of the upper housing 111 penetrates through the upper opening formed on the upper side. According to this configuration, since the outlet 112a of the depression 112 is located inside the upper drum 151, the shredded food waste discharged through the outlet 112a can be smoothly introduced into the upper drum 151. Can be.

A plurality of support ribs 152 supporting the depression 112 of the upper housing 111 is formed at the upper opening edge of the upper drum 151, and a condensation tube 153 is formed at the end of the support rib 152. It is fixed.

Here, blades 152a are formed at both sides of the support rib 152 to serve to further cut the shredded food waste discharged from the outlet 112a. Specifically, because of the structure of the shredding unit 140, since the long surface like yarn is not shredded well by the shredding unit 140, even if it is introduced into the upper drum 151 without being shredded, the support of the rotating upper drum 151 It is further crushed by the blade 152a formed in the rib 152.

Referring to FIG. 3B, a plurality of coupling rails 153a are formed along the inner circumferential surface of the shaft coupling tube 153 and are coupled to the rotation shaft 131 through a spline shaft 161 coupled to the outer circumferential surface of the rotation shaft 131. do.

Specifically, a plurality of coupling rails 161a are formed in the axial direction along the outer circumferential surface of the spline shaft 161 at regular intervals. Therefore, the coupling rail 153a formed on the inner circumferential surface of the shaft coupling tube 153 of the upper drum 151 and the coupling rail 161a of the spline shaft 161 are engaged with each other.

According to this configuration, the spline shaft 161 rotates as the rotating shaft 131 rotates, and the rotational force is transmitted from the coupling rail 161a of the spline shaft 161 to the coupling rail 153a of the shaft coupling tube 153. As a result, the upper drum 151 is rotated.

Meanwhile, a support flange 161b is formed on the outer circumferential surface of the spline shaft 161 at a position corresponding to the lower end of the shaft coupling tube 153 of the upper drum 151, and the support flange 161b is the shaft coupling tube 153. By supporting the lower end of the upper drum 151 to prevent the falling by its own weight.

<Lower drum 155>

The lower drum 155 is formed in an approximately funnel shape corresponding to the upper drum 151 and is installed to be elevated in a longitudinal direction of the rotation shaft 131. In other words, when the crushed food waste introduced is dehydrated, it rises and is sealed to the upper drum 151, and when the dehydrated food waste is discharged, it is lowered to release the coupling with the upper drum 151.

A protrusion 156 protruding upward is integrally formed at the center of the bottom of the lower drum 155, and an opening through which the rotating shaft 131 penetrates is formed at the center of the protrusion 156. A ring bearing 157 is fitted to the outer circumference of the protrusion 156, and a plurality of blades 158 are installed through the ring bearing 157.

Since the blade 158 is not fixed to the lower drum 155, the blade 158 is not rotated by the lower drum 155 and rotates independently of the lower drum 155, but the lower drum 155 does not rotate. It rotates by inertia by rotation of). Therefore, the blades 158 are preferably installed in pairs. Referring to FIG. 3A, the blade 158 extends in contact with the inclined surface of the lower drum 155, and is bent at the boundary between the lower drum 155 and the upper drum 151 to contact the inclined surface of the upper drum 151. Is extended. According to this configuration, the food waste attached to the inclined surfaces of the upper drum 151 and the lower drum 155 can be dropped at once by scratching or applying an impact.

The lower drum 155 is rotatably coupled to the rotating shaft 131 via the thrust bearing unit 170.

The thrust bearing unit 170 has an upper thrust plate 171 rotatably coupled to the rotary shaft 131, and a lower thrust coupled to the rotary shaft 131 by a gear coupling to the center gear 165. A lower thrust plate 173 and a rolling ball 175 interposed therebetween.

A through hole is formed in the center of the upper thrust plate 171, and a plurality of coupling rails 171 a are formed along the inner circumferential surface of the through hole. The coupling rail 171a is coupled to the coupling rail 161a of the spline shaft 161 in the same manner as the coupling rail 153a formed on the inner circumferential surface of the shaft coupling tube 153 of the upper drum 151.

A through hole is formed in the center of the lower thrust plate 173, and a gear train is formed on the inner circumferential surface of the through hole. The gear train is a gear train and a gear train of the center gear 165 rotatably installed in the center of the lower housing 115. To combine. On the other hand, the center gear 165 is driven by a motor 191 installed outside the lower housing 115.

According to this configuration, the center gear 165 provided irrespective of the rotation of the rotation shaft 131 is rotated by the forward and reverse rotation of the motor 191, as a result of the lower thrust plate 173 gear-coupling to the center gear 165 Is raised or lowered, and as a result, the lower drum 155 coupled to the upper thrust plate 171 is raised or lowered.

Here, the rolling ball 175 serves to smoothly support the rotation of the upper thrust plate 171 relative to the lower thrust plate 173.

In addition, between the motor 191 and the center gear 165 is provided with a motion transmission means and a motion conversion means, if necessary.

Sealing member (181)

Since the dehydrated food waste is subjected to centrifugal force throughout the rotation direction by the rotation of the drum 150, it is necessary to discharge it from a specific position.

To this end, a ring-shaped sealing member 181 is installed on the inner circumferential surface of the housing 110 at the boundary portion where the upper drum 151 and the lower drum 155 abut. Preferably, the sealing member 181 may be coupled to the lower housing 115 by inserting it from above. In addition, the bearing 188 is preferably installed along the inner circumferential surface of the sealing member 181.

Preferably, the height of the sealing member 181 may be a height that can block the gap with the upper drum 151 caused by the lowering of the lower drum 155.

An opening 181a is formed in the sealing member 181 at a position corresponding to the discharge port 116 of the lower housing 115, and the opening 181a is opened and closed by a blocking plate 185 provided to be elevated.

Referring to FIGS. 2 and 3A, a screw 196 is inserted into a screw groove 186 formed in the blocking plate 185 to be screwed together, and the screw 196 extends to protrude to an upper surface of the upper housing 111 to move up and down. The motor 195 rotates forward and backward. Similarly to the lift drive motor 191, a motion transfer means and a motion conversion means are provided between the lift drive motor 195 and the screw 196 as necessary.

Preferably, the bearing 188 is also provided on the inner circumferential surface of the blocking plate 185.

Processing device operation

An operation of the food waste treating apparatus according to the embodiment configured as described above will be described with reference to FIGS. 3A and 4. Here, FIG. 3A shows a state where the blocking plate is lowered and the lower drum is raised, and FIG. 4 is a state where the blocking plate is raised and the lower drum is lowered.

As shown in FIG. 3A, when the elevating drive motor 191 rotates in the forward direction to rotate the center gear 165, the lower thrust plate 173 in gear engagement with the center gear 165 is raised. As a result, the upper thrust plate 171 and the lower drum 155 coupled thereto are raised to seal and bond with the upper drum 151. Subsequently, when the lifting driving motor 195 is rotated in the forward direction, the screw 196 rotates to lower the blocking plate 185, and the blocking plate 185 closes the opening 181a of the sealing member 181.

This state becomes a waiting state for processing food waste as shown in FIG. 3A.

When the driving motor 130 is driven, the rotating shaft 131 rotates, and all components connected to the rotating shaft 131 rotate. Specifically, the upper plate 151 and the lower drum 155 connected to the rotating plate 141 of the shredding unit 140 connected to the end of the rotating shaft 131, the spline shaft 161 coupled to the outer circumferential surface of the rotating shaft 131 All rotate.

When food waste is introduced together with water through the cover 120, the food waste is crushed by the cutter 143 protruding from the rotating plate 141 rotating by the rotating shaft 131. In addition, the crushed food waste which is subjected to centrifugal force by the rotation of the rotating plate 141 is introduced into the upper drum 151 through the outlet 112a of the upper housing 111.

As described above, in the process of flowing into the upper drum 151, the food waste shredded by both edges 152a of the support ribs 152 of the upper drum 151 is further shredded to improve the shredding efficiency.

Subsequently, food waste is subjected to centrifugal force while the food waste is rotated by the rotation of the drum 150 to form a sealed space therein, and the water contained in the food waste is separated and dehydrated by the centrifugal force to drain water 151a of the drum 150. Drain through 155a). The drained water is discharged to the drain pipe 119 through the drain 118 while flowing through the bottom of the lower housing 115.

When the food waste is completely dehydrated after a predetermined time, as shown in FIG. 4, the lifting driving motor 195 rotates in the reverse direction to rotate the screw 196 to raise the blocking plate 185. The opening 181a of the sealing member 181 is opened. Subsequently, the lifting driving motor 191 rotates in the reverse direction to lower the lower drum 155. Then, since the opening 181a of the sealing member 181 and the discharge port 116 of the lower housing 115 communicate with each other, the food waste inside the drum 150 is discharged to the discharge port 116 by centrifugal force.

At this time, the food waste not attached to the lower drum 155 and the upper drum 151 is dropped by the blade 158 that is rotated by inertia by scratching or impacting. In particular, when food waste remains on the inner surface of the upper drum 151, the lower drum 155 may be raised once more so that the braid 158 may contact the inner surface of the upper drum 151 and scrape off.

In the above, the present invention has been described in accordance with one embodiment of the present invention, but various modifications are possible at the level of those skilled in the art.

1. In the above embodiment, the lower drum is lowered to discharge the dehydrated food waste, but the present invention is not limited thereto, and the same driving method is applied to the upper drum to raise the upper drum to discharge the dehydrated food waste. can do.

However, in this case, the upper drum is a structure that rotates with a large friction force with the lower drum, by pulling up the sliding bearing coupled to the upper drum by the lifting drive motor, it is possible to raise the upper drum. In addition, the blocking plate for opening and closing the discharge port by the same lifting drive motor is opened and closed in conjunction with the upper drum.

2. In the above embodiment, when the predetermined time elapses, the lower drum is lowered to discharge the food waste, but the present invention is not limited thereto. For example, the dropping time may be determined using a moisture sensor.

3. In the above embodiment, the funnel-shaped drum is exemplified, but the present invention is not limited thereto, and the lower drum may have any shape as long as the inclined surface is formed.

Therefore, it is natural that the present invention may be modified and modified by those skilled in the art without departing from the technical spirit of the present invention.

1 is an external view of a food waste treating apparatus according to an embodiment of the present invention.

2 is an exploded perspective view of FIG. 1.

FIG. 3A is a cross-sectional view taken along the line “A-A” of FIG. 1, in which the blocking plate is lowered and the lower drum is raised.

3B is an enlarged view of a portion “P” of FIG. 3A.

4 is a cross-sectional view taken along the line “A-A” of FIG. 1, in which the blocking plate is raised and the lower drum is lowered.

Claims (7)

A housing for draining the dehydrated water from the food waste and discharging the dehydrated food waste; A drum housed in the housing and configured to dehydrate the food waste by centrifugal force due to rotation; And A drive motor installed outside the housing to rotate the drum, The drum has a pair of drums detachably coupled to each other, and when the pair of drums are spaced apart during rotation, the dehydrated food waste is discharged from the housing through the largest centrifugal force. Waste disposal device. A housing for accommodating crushed food waste to be accommodated in the upper portion, draining the dehydrated water from the crushed food waste, and discharging the dehydrated food waste; A drum housed in the housing and dewatering the crushed food waste by a centrifugal force by rotation; And A drive motor installed outside the housing to rotate the shredding unit and the drum, The drum has a pair of drums detachably coupled to each other, and when the pair of drums are spaced apart during rotation, the dehydrated food waste is discharged from the housing through the largest centrifugal force. Waste disposal device. The method according to claim 1 or 2, The pair of drums are formed in a funnel shape, a plurality of drain holes are formed on the front, the upper drum to rotate in combination with the rotation shaft of the drive motor, Food waste disposal apparatus characterized in that the upper side is opposed to the lower portion of the upper drum, the lower drum is coupled to the rotating shaft of the drive motor to be capable of rotating and lifting. The method of claim 3, A protrusion is integrally formed at the center of the bottom of the lower drum, and at least one blade is fitted to the outer circumference of the protrusion through a ring bearing, and the blade independently rotates the lower drum regardless of the rotation of the lower drum. Food waste treatment apparatus, characterized in that rotating in the inertia according to. The method of claim 3, The lower drum is coupled to the rotating shaft of the drive motor via a thrust bearing unit installed on its rear surface, the thrust bearing unit is lifted by the drive of the lifting drive motor, characterized in that the food waste treatment apparatus. The method of claim 3, A sealing member is further installed in the housing facing the boundary between the upper drum and the lower drum. An opening is formed in a part of the sealing member, and a discharge port is formed in the housing corresponding to the opening. And the opening of the sealing member is opened and closed by a blocking plate provided to be elevated to selectively discharge the dehydrated food waste. The method of claim 3, A plurality of support ribs are formed in an upper opening formed at an upper side of the upper drum, and a plurality of support ribs are formed along an edge thereof, and a condensation tube is fixed at an end of the support rib, and blades are formed at both sides of the support rib to feed the food waste into the drum. Food waste processing apparatus, characterized in that additional shredding in the process of adding to.

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