WO2022055212A1

WO2022055212A1 - Food waste treatment apparatus

Info

Publication number: WO2022055212A1
Application number: PCT/KR2021/012083
Authority: WO
Inventors: 신홍기; 박성태; 한무일
Original assignee: 주식회사 스마트카라
Priority date: 2020-09-09
Filing date: 2021-09-07
Publication date: 2022-03-17

Abstract

Disclosed is a food waste treatment apparatus for treating food waste by pulverizing and drying the food waste. The present invention comprises a casing, a drying container, a pulverizing blade, a heating means, an upper coupling, and a lower coupling. The casing has a drying chamber formed to have an opened upper portion. The drying container is formed to be attachable to/detachable from the drying chamber and accommodates food waste. The pulverizing blade is installed to be rotatable on the bottom of the drying container in order to pulverize the food waste. The heating means applies heat energy to the drying container so as to dry the food waste. A driving motor is installed at the lower portion of the drying chamber so as to provide a rotational driving force for rotating the pulverizing blade. The upper coupling is coupled to the pulverizing blade to protrude from the lower surface of the drying chamber, and has a hexagonal star-shaped mortise formed in the lower surface thereof. The lower coupling is connected to the driving motor so as to be rotated by the rotational driving force of the driving motor, and has a regular triangle-shaped tenon which is engaged with the hexagonal star-shaped mortise and extends upward to transfer the rotational driving force of the driving motor to the pulverizing blade. According to the present invention, shafts of the pulverizing blade and the driving motor are connected via the coupling of a simple configuration, in which the triangular tenon and the star-shaped mortise are engaged with each other, such that attaching/detaching of the drying container can be conveniently performed and abrasion and damage to the coupling can be prevented.

Description

food waste disposal device

The present invention relates to a food waste treatment apparatus for processing food waste by grinding and drying, and more particularly, to a food waste treatment apparatus capable of accurately and securely connecting a grinding blade and a driving motor with a simple structure. .

A food waste treatment device refers to a device for reducing food waste or food waste through mechanical, thermal, biological treatment processes, etc., and is also called a food waste reduction device. Food waste treatment apparatuses include a drying method in which food waste is dried by heat energy, a fermentation method in which food waste is fermented into an organic material by microorganisms, and an extinction method in which food waste is fermented and destroyed by microorganisms. Drying methods can be classified into electric heating, steam or hot water heating, and hot air heating.

Korean Patent Registration No. 10-1375322, 'Food Waste Disposal Apparatus' has a casing, a drying bin that accommodates food waste and can be removed through an insertion hole of the casing, a grinding member mounted to rotate in the drying bin, It consists of a heating member mounted on the casing for heating the drying barrel, and a drive motor mounted on the casing to rotate the grinding member.

The insertion hole of the casing is configured to be able to be opened or closed by the cover. The crushing member and the driving motor are connected by a coupling (Coupling). The coupling consists of an upper coupling coupled to the crushing member and a lower coupling coupled to the shaft of the drive motor. The upper coupling has a downwardly extending downward-tooth portion. The lower coupling has an upwardly extending upper tooth for engagement with the downwardly toothed portion. The rotational driving force of the driving motor is transmitted to the grinding member by the meshing of the downward and upward teeth to rotate the grinding member. The driving motor is driven to rotate less than once so as to correct the angle of the upward tooth with respect to the downward tooth in the correction mode. The contents disclosed in the above patent document are incorporated herein by reference.

The food waste treatment apparatus as described above is configured to transmit the driving force of the driving motor by a gear coupling, but the gear teeth of the upper and lower couplings have a high risk of being damaged by wear. there is. In addition, since the gear teeth of the gear coupling must be precisely processed for accurate tooth meshing, there is a problem in that the unit cost is high.

The present invention is to solve the problem of the gear coupling in the food waste treatment apparatus as described above, and the drying bin can be easily detached and detached by the coupling of the structure in which the triangular tenon and the star-shaped tenon hole are engaged with each other, and An object of the present invention is to provide a food waste treatment device capable of preventing wear and tear.

According to one aspect of the present invention, the casing having a drying chamber is formed so that the upper side is opened; a drying passage that is formed to be detachable from the drying chamber and accommodates food waste; a grinding blade rotatably mounted on the bottom of the drying bin for grinding food waste; a heating means for applying thermal energy to the drying bin to dry the food waste; a driving motor mounted below the drying chamber to provide rotational driving force for rotation of the grinding blade; an upper coupling coupled to the grinding blade so as to protrude from the lower surface of the drying chamber and having a hexagonal star-shaped tenon hole formed on the lower surface thereof; A lower coupling having an equilateral triangular tenon that is connected to the driving motor so as to be rotated by the rotational driving force of the driving motor and extends upward to engage the hexagonal star-shaped tenon hole and transmit the rotational driving force of the driving motor to the grinding blade includes

In the food waste treatment apparatus according to the present invention, the grinding blade and each shaft of the drive motor are connected by a coupling having a simple structure in which a triangular tenon and a star-shaped tenon hole are engaged with each other, so that the drying bin can be easily detached and detached from the coupling. It has the effect of preventing abrasion and damage.

1 is a perspective view illustrating a state in which a cover is opened in an apparatus for treating food waste according to the present invention.

2 is a cross-sectional view illustrating an apparatus for treating food waste according to the present invention.

3 is a cross-sectional view illustrating a state in which the drying bin is separated from the food waste treatment apparatus according to the present invention.

4 is a perspective view illustrating an apparatus for treating food waste according to the present invention.

5 is a perspective view showing an embodiment of a coupling in the food waste treatment apparatus according to the present invention.

6 is a bottom view showing the coupling state of the coupling in the food waste treatment apparatus according to the present invention.

7 is a perspective view showing another embodiment of the coupling in the food waste treatment apparatus according to the present invention.

Other objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In describing the present invention, the size or shape of the components shown in the drawings may be exaggerated or simplified for clarity and convenience of explanation. In addition, terms specifically defined in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or operator. These terms should be interpreted as meanings and concepts consistent with the technical spirit of the present invention based on the contents throughout this specification.

Hereinafter, preferred embodiments of an apparatus for treating food waste according to the present invention will be described in detail with reference to the accompanying drawings.

First, referring to FIGS. 1 to 3 , the food waste treatment apparatus 10 according to the present invention includes a casing 20 and a cover 30 . The casing 20 or body has a drying chamber 24 having an open end 22 formed thereon. The cover 30 is connected to one side of the casing 20 so as to be rotated around a hinge 32 to open and close the open end 22 . One end or rear end of the cover 30 connected to the hinge 32 becomes a rotating end, and the other end or front end of the cover 30 becomes a free end.

The food waste treatment apparatus 10 according to the present invention rotates on a drying bin 40 for receiving and drying food waste, and at the bottom of the drying bin 40 to pulverize the food waste accommodated in the drying bin 40 . It is provided with a grinding blade (50) mounted so as to be able to do so. The drying barrel 40 is configured to be detachable from the drying chamber 24 . The through hole 42 is formed in the center of the bottom of the drying barrel 40 so as to be aligned with the through hole 26 of the drying chamber 24 . The shaft 52 of the grinding blade 50 is aligned with the through

holes

26 and 42 . In some embodiments, the shaft 52 of the grinding blade 50 may fit into the through hole 42 . In addition, the grinding blade 50 may be configured as a cutting blade capable of cutting food waste.

2 to 4 , the food waste treatment apparatus 10 according to the present invention includes a heating device 60 for drying by applying thermal energy to the food waste accommodated in the drying bin 40 . . A heating device (60) is mounted on the floor of the drying chamber (24). The heating device 60 includes an electric heating element 62 and a heating plate 64 transferring heat from the electric heating element 62 . The heating plate 64 is mounted so as to cover the floor of the drying chamber 24 . A through hole 66 is formed in the center of the heating plate 64 so as to be aligned with the through hole 26 of the drying chamber 24 . The electric heating element 62 is mounted on the lower surface of the heating plate 64 . The electric heating element 62 may include an electric heating wire, an electric heating cable, a planar heater, and the like. In some embodiments, the electric heating element 62 may be mounted on the underside of the drying chamber 24 .

The food waste treatment apparatus 10 according to the present invention includes a driving motor 70 that provides a rotational driving force for rotating the grinding blade 50 and a controller that controls the driving of the driving motor 70 . : 80) and a control panel (Control panel: 90) connected to the controller (80). The drive motor 70 is mounted below the drying chamber 24 . The drive motor 70 has a shaft 72 connected to the grinding blade 50 . The rotational driving force of the driving motor 70 is decelerated by the speed reducer and transmitted to the shaft 72 . In some embodiments, the drive motor 70 may be configured as a geared motor.

The controller 80 may include a microprocessor mounted in the casing 20 to be connected to the driving motor 70 , and drive the driving motor 70 according to a signal input from the control panel 90 . Sequential control. The control panel 90 is mounted on the upper surface of the casing 20 . The control panel 90 may include a power switch, a button, a light emitting diode indicator (LED indicator), an audio device, a display, and the like.

2 to 7 , the food waste treatment apparatus 10 according to the present invention includes a coupling 100 for transmitting the rotational driving force of the driving motor 70 to the grinding blade 50 . The coupling 100 is composed of an upper coupling 110 coupled to the shaft 52 of the grinding blade 50 and a lower coupling 120 coupled to the shaft 72 of the driving motor 70 . has been Each of the upper and

lower couplings

110 and 120 may be coupled to each of the

shafts

52 and 72 by fastening of a screw.

A hexagonal star shape mortise (112) is formed on the lower surface of the upper coupling (110). In the hexagonal star-shaped tenon hole 112, three vertices of each of the two equilateral triangular tenon holes 114 and 116 are arranged at equal intervals of an angle of 60 degrees along the circumferential direction. Each of the six vertices and six corners of the hexagonal star-shaped tenon hole 112 is formed with a round 118 .

An equilateral triangle tenon 122 extends upwardly on top of the lower coupling 120 so that it can be tenon-fitted into the hexagonal star tenon hole 112 .

In the embodiment of the lower coupling 120 shown in FIG. 7 , the equilateral triangle tenon 122 has three vertices 123 and a triangular line 125, and each vertex and corner has a round (Round) processing. . In addition, a receiving groove 127 for accommodating the head of the screw for fastening the upper coupling 110 is formed in the center of the equilateral triangular tenon 122 .

In the embodiment of the lower coupling 120 shown in FIG. 5 , the equilateral triangular tenon 122 has three equilateral triangular protrusions 126 protruding from the three vertices are further formed at the three vertices of the equilateral triangular tenon 122 . The vertices and corners of the equilateral triangular projection 126 are round (Round: 124) is processed. Each of the equilateral triangular protrusions 126 is tenon-fitted to either one of the equilateral triangular tenon holes 114 , 116 .

In some embodiments, the hexagonal star-shaped tenon hole 112 may be formed on the upper surface of the lower coupling 120 , and the equilateral triangular tenon 122 may be formed on the lower surface of the upper coupling 110 .

As shown in FIG. 4 , the food waste treatment apparatus 10 according to the present invention guides the drying bin 40 so that it can be detached from the drying chamber 24 in the vertical direction, and A positioning structure 130 for determining a position is provided. The positioning structure 130 has a relationship between a plurality of positioning protrusions 132 protruding at equal intervals along the circumferential direction from the edge of the lower surface of the drying barrel 40, and each of the positioning projections 132 corresponds to each other. It is comprised by the several positioning hole 134 formed in the heating plate 64 so that it may be fitted with a furnace. In some embodiments, the positioning holes 134 may be formed in the bottom edge of the drying chamber 24 . In this case, the heating device 60 may be mounted on the lower surface of the drying chamber 24 .

Hereinafter, the operation of the food waste treatment apparatus according to the present invention having such a configuration will be described.

3 and 4 , when the cover 30 is opened, the drying container 40 is moved into the drying chamber 24 so that the positioning protrusions 132 of the drying barrel 40 fit into the positioning holes 134 . ) are accommodated in By fitting the positioning protrusions 132 into the positioning holes 134 , the position of the drying container 40 accommodated in the drying chamber 24 is accurately determined. When the drying container 40 is accommodated in the drying chamber 24 , the open end 22 is closed by the cover 30 .

3 to 7, while the drying barrel 40 is accommodated in the drying chamber 24, the equilateral triangular tenon 122 is precisely engaged with any one of the equilateral triangular tenon holes 112 of the hexagonal star-shaped tenon hole 112. . The equilateral triangular tenon 122 can accurately engage any one of the equilateral triangular tenon holes 114 and 116 of the hexagonal star tenon hole 112. Fitting of the positioning protrusions 132 and the positioning holes 134 This is because the equilateral triangular tenon 122 and the hexagonal star tenon hole 112 engage with each other while linearly moving in the vertical direction in a state in which the drying barrel 40 is positioned. As described above, the engagement of the equilateral triangular tenon 122 and the hexagonal star tenon hole 112 is performed simply and accurately, thereby improving ease of use.

When the driving motor 70 is driven in a state where the hexagonal star-shaped tenon hole 112 and the equilateral triangular tenon 122 are engaged, the rotational driving force of the driving motor 70 is transmitted to the grinding blade 50 through the coupling 100 . to rotate the grinding blade 50 . The food waste accommodated in the drying bin 40 is pulverized by the rotation of the grinding blade 50 . The coupling structure in which the hexagonal star-shaped tenon hole 112 and the equilateral triangular tenon 122 are engaged to transmit the rotational driving force is superior in mechanical rigidity and wear resistance compared to the gear coupling that transmits the rotational driving force by the meshing of the gear teeth. and breakage are prevented, thereby greatly improving reliability.

On the other hand, the equilateral triangular tenon 122 does not precisely engage with the hexagonal star tenon hole 112 , but is supported on the edge of the hexagonal star tenon hole 112 , so that the lid 30 cannot be closed in some cases. When the user sets the correction mode by manipulating the control panel 90 , the drive motor 70 rotates the shaft 72 by less than one rotation, for example, less than 10 degrees under the control of the controller 80 . The hexagonal star-shaped tenon hole 112 and the equilateral triangular tenon 122 are matched. In some embodiments, the controller 80 may automatically set the correction mode by controlling the driving of the driving motor 70 by a program.

2 and 4 , thermal energy generated by the operation of the electric heating element 62 is transferred to the drying tub 40 through the heating plate 64 to heat the drying tub 40 , and the drying tub 40 ), the food waste is dried by heating. Food waste can be efficiently reduced by grinding and drying the food waste.

The embodiments described above are merely illustrative of preferred embodiments of the present invention, and the scope of the present invention is not limited to the described embodiments, and those skilled in the art within the technical spirit and claims of the present invention Various changes, modifications, or substitutions will be possible by, and such embodiments should be understood to fall within the scope of the present invention.

Claims

a casing having a drying chamber formed so that an upper side thereof is opened;

a drying passage which is formed to be detachable from the drying chamber and accommodates food waste;

a grinding blade rotatably mounted on the bottom of the drying bin for grinding the food waste;

a heating means for applying thermal energy to the drying bin to dry the food waste;

a driving motor mounted below the drying chamber to provide a rotational driving force for rotation of the grinding blade;

an upper coupling coupled to the grinding blade so as to protrude from the lower surface of the drying chamber and having a hexagonal star-shaped tenon hole formed on a lower surface thereof;

An equilateral triangular tenon that is connected to the drive motor so as to be rotated by the rotational driving force of the driving motor and extends upward to transmit the rotational driving force of the driving motor to the grinding blade in engagement with the hexagonal star-shaped tenon hole A food waste treatment device comprising a lower coupling having a
According to claim 1,

In the hexagonal star-shaped tenon hole of the upper coupling, three vertices of each of the two equilateral triangle tenon holes are arranged at equal intervals along the circumferential direction so that the equilateral triangle tenon can be engaged.
3. The method of claim 2,

A food waste treatment apparatus in which a receiving groove for accommodating a portion of the upper coupling fastening screw is formed in the center of the normal rectangular tenon of the lower coupling.
3. The method of claim 2,

and three equilateral triangular protrusions are further formed at three vertices of the equilateral triangular tenon to engage any one of the two equilateral triangular tenon holes.
4. The method according to any one of claims 1 to 3,

Each of the six vertices and six corners of the hexagonal star-shaped tenon hole is formed in a round shape, and the three vertices of the equilateral triangular tenon are formed in a round shape.
5. The method according to any one of claims 1 to 4,

The food waste treatment apparatus further comprising a controller for controlling the driving motor to rotate less than one revolution in order to match the equilateral triangular tenon and the hexagonal star tenon hole.