KR101379802B1 - Dual cutting apparatus equipped with dual cutter having different revolution - Google Patents

Abstract

The present invention relates to a dual grinding apparatus provided with a dual grinder having different rotation rates. The present invention is to provide a dual grinding apparatus having a millstone type grinder and a knife type grinder, in which the millstone type grinder and the knife type grinder are rotated at rotation rates different from each other to maximize grinding efficiency. Thus, a dual grinding apparatus grinding foods or food waste into small pieces by a rotation of a grinder of the present invention includes a first grinder firstly grinding foods or food waste and a second grinder disposed under the first grinder to secondly grind the foods or food waste into small pieces, wherein the first and second grinders are coaxially rotated at different rotation rates from each other.

Description

Dual Cutting Apparatus Equipped with Dual Cutter Having Different Revolution

The present invention relates to a dual grinding device having a grinding cutter having a different rotation speed, and more particularly, in the grinding cutter of the grinding device for grinding various foods or food wastes, the primary grinding of foods of various sizes A first grinding cutter and a second grinding cutter for finely grinding secondly, and rotating the first grinding cutter and the second grinding cutter at different rotational speeds on the same axis to maximize grinding efficiency The present invention relates to a double grinding device having different grinding cutters.

Since 2005, food waste generated after cooking various kinds of food waste is prohibited from landfilling. Accordingly, various methods for reducing food waste have been proposed. At present, a method of treating food waste into fertilizer or feed or using it as an energy source has been attempted.

In addition, since 2013, the wastewater generated after the disposal of food waste has been banned by the London Protocol.

As a result, each municipality is implementing various policies such as implementing a waste-based pay system and building a food waste disposal facility to reduce the amount of food waste generated.

However, the facility for treating food waste has economic feasibility of maintaining the equipment only when its throughput is several tens to hundreds of tons. Accordingly, in the case of poorly financed municipalities, it is difficult to build such a large food processing facility.

In view of this reality, while reducing the amount of food waste generated at home or dining room, a plan has been proposed to allow each household or restaurant to handle their own food waste.

One such method is to install a food waste disposal device under the sink of a home or restaurant.

Currently, a device for processing food waste directly at home or in a restaurant includes a pulverization processing device (commonly called a disposer) attached to the bottom of a sink to dispose of food, and a microorganism that processes food using microorganisms. Processing apparatus and the like.

For example, Korean Patent No. 10-1051425 discloses a food waste processing apparatus installed at a lower portion of a sink to pulverize and discharge food waste with a crushing cutter.

The above technology is equipped with a first cutter and a second cutter to finely crush food waste, to prevent foreign matters by filtering foreign matters, to form a projection and a water barrier inside the housing to prevent the backflow of water, the partition wall inside the housing By forming the inclined it can be smoothly discharged the crushed food.

In addition, Korean Utility Model Registration No. 20-0410491 discloses a food waste crusher for a sink using microorganisms.

The above technology installs the case of the microbial supply unit around the outer peripheral surface of the grinding unit, thereby increasing the microbial capacity and reducing the installation space as much as possible.

In addition, Korean Patent No. 10-0838717 discloses a method and apparatus for supplying microorganisms of a food waste crusher for a sink.

The above technology provides microorganisms for food decomposition and microorganisms for odor removal in order to simultaneously implement food decomposition and odor removal.

The general conventional food processing apparatus is provided with a crushing cutter for crushing food waste, wherein the crushing cutter is finely crushed food waste while rotating at a high speed by receiving the rotational force of the motor.

The above-mentioned grinding cutter is used in a variety of shapes, the grinding cutter used in the food waste treatment apparatus, can be divided roughly divided into mill type grinding cutter and blade type grinding cutter.

The mill-type grinding cutter has a structure in which a blade is formed on a disc-shaped member or a separate cutter is attached, and a plurality of through holes for passing the crushed food waste are formed.

The millstone grinding cutter is known to maximize its grinding efficiency when it is rotated at a relatively low speed around 1,500 to 2,500 rpm when grinding food waste.

This is because the millstone grinding cutter is in the shape of a disc and there is a limit to the increase in the number of revolutions.

 The blade type grinding cutter is composed of a blade of a straight or cruciform form and the teeth may be formed on one side of the blade.

It is known that the blade type grinding cutter has a maximum grinding efficiency when rotating at 7,000 to 15,000 rpm.

If the rotation speed of the grinding cutter is too high, the wear of the cutter is intensified, and the life is shortened, and the motor is subjected to a large load by the high speed rotation, which shortens the life of the motor.

On the other hand, there has been proposed a double grinding device that combines the milling grinding cutter and the blade grinding cutter.

The above-mentioned double grinding device is a milling grinding cutter and a blade grinding cutter are assembled on one rotary shaft, and the first grinding is performed in the milling grinding cutter, and secondly fine in the blade grinding cutter installed in the lower part thereof. To grind.

However, the above-mentioned double grinding device has a structure in which a milling grinding cutter and a blade grinding cutter are assembled to one rotating shaft and rotated.

Accordingly, since the milling grinding cutter and the blade grinding cutter rotate at the same rotation speed, there is a problem in that the optimum efficiency of each of the milling grinding cutter and the blade grinding cutter cannot be simultaneously achieved.

In other words, when rotating at 1,500 ~ 2,500 rpm, which is the optimum rotational speed of the milling grinding cutter, the grinding efficiency of the blade grinding cutter is reduced, and when rotating at 7,000 ~ 15,000 rpm, which is the optimum rotational speed of the blade grinding cutter, There is a problem that the life is shortened.

Accordingly, the conventional double grinder has a problem that it is difficult to finely crush food waste generated at home or a restaurant.

The present invention is to solve the above problems of the prior art, an object of the present invention, in the dual grinding apparatus having a milling grinding cutter and a blade grinding cutter, the milling grinding cutter and the blade grinding cutter different from each other It is to maximize the grinding efficiency by configuring to rotate at a rotational speed.

Another object of the present invention is to make use of all the advantages of the milling grinding cutter and the blade grinding cutter.

Still another object of the present invention is to grind large and coarse food waste into a low-speed millstone grinding cutter, and secondly, to finely grind a high-speed blade grinding cutter.

Still another object of the present invention is to reduce the size of the grinding apparatus by allowing the milling grinding cutter and the blade grinding cutter to be assembled on the same shaft.

Still another object of the present invention is to make it possible to easily attach and detach a grinder equipped with a mill grind cutter and a blade grinder.

In order to achieve the above object, the present invention, in the pulverizing device for finely pulverizing various food and food waste by the rotation of the grinding cutter, the pulverizing device, the first pulverization to primarily crush the food or food waste A cutter and a second grinding cutter provided below the second grinding cutter to finely grind food or food waste secondaryly, wherein the first grinding cutter and the second grinding cutter rotate differently on the same axis. It is characterized by rotating in numbers.

In addition, the first grinding cutter is a mill-type grinding cutter which is primarily formed on a disc and rotates the food or food waste put into the grinding unit while rotating, the second grinding cutter is formed on the blade to form the millstone It is provided in the lower portion of the type grinding cutter, it is characterized in that the blade type grinding cutter for grinding finely secondary food or food waste falling after being crushed in the milling type grinding cutter.

In addition, the milling grinding cutter is assembled with the upper end of the first shaft, the blade grinding cutter is assembled with the upper end of the hollow second shaft assembled to a portion of the outer peripheral surface of the first shaft, the first shaft and the hollow The second shaft is characterized in that it is driven independently by a separate rotating device.

In addition, a first lower bearing is assembled at a lower end of the first shaft, and a first rotor core for rotating the first shaft is provided at an upper portion of the first lower bearing, and an outer circumference of the first rotor core is provided. It is characterized in that a plurality of first stator magnets, a first commutator is provided on the upper portion of the first rotor core, a first upper bearing is provided on the upper portion of the first commutator.

In addition, a second lower bearing is assembled at a lower end of the second shaft, and a second rotor core for rotating the second shaft is provided at an upper portion of the second lower bearing, and an outer circumference of the second rotor core is provided. It is provided with a plurality of second stator magnets, the second commutator is provided on the upper portion of the second rotor core, the second upper bearing is characterized in that the second upper bearing is provided.

In addition, the mill milling cutter is characterized in that rotated at 1,500 ~ 2,500 rpm.

In addition, the blade type grinding cutter is characterized in that rotated at 7,000 ~ 15,000 rpm.

In addition, the upper outer circumferential surface of the crusher cover is formed with a screw coupling portion for coupling with the crushing unit, the shielding member for preventing the crushed food or food waste from entering the inside of the crusher inside the screw coupling portion It is characterized by being installed.

In addition, the mill-type grinding cutter is provided with an outer blade attached separately from the inner blade formed by bending the disc, a number for the primary food or food waste to fall to the lower blade grinding cutter The through hole is characterized in that it is formed.

In addition, the blade-type grinding cutter is characterized in that the two are arranged in a cross, the teeth formed on one side of the blade-type grinding cutter.

In addition, the particle discharge preventing plate 140 is further provided below the blade type grinding cutter 120, the particle discharge preventing plate 40 is characterized in that the through-hole 142 is formed.

In addition, the through-hole 142 is formed in a plurality of arcs, characterized in that disposed radially toward the opposite direction of rotation of the blade-type grinding cutter (120).

According to the present invention, there is an effect that can maximize the grinding efficiency by rotating the milling grinding cutter and the blade grinding cutter at different rotation speed in the double grinding device provided with a milling type and a blade type grinding cutter.

In addition, there is an effect that can use all the advantages of the milling type cutter and the blade type cutter.

In addition, there is an effect that can be finely pulverized by the high-speed milling cutter, after grinding the rough food waste of various sizes primarily with a low-speed milling grinding cutter.

In addition, since the milling type grinding cutter and the blade type grinding cutter are assembled on the same shaft, there is an effect that can reduce the size of the grinding device.

In addition, since the crushing device equipped with a milling crushing cutter and a blade crushing cutter can be easily attached and detached where necessary, there is an effect that the maintenance work of the crushing device is simplified.

1 is a perspective view of a double grinding device according to the present invention.
2 is a side cross-sectional view of FIG. 1.
3 is a perspective view of a milling type cutter according to the present invention.
4 is a perspective view of the blade type grinding cutter according to the present invention.
5 is a perspective view of the particle discharge preventing plate according to the present invention.
6 is a schematic view showing an example of a food processing apparatus equipped with a double grinding device according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

For convenience, a food waste processing apparatus installed below the sink will be described as an example.

1 and 2, the double grinding device according to the present invention, the first grinding cutter for primarily grinding the food waste, and the second grinding cutter is provided in the lower portion of the second food waste finely It is configured to include a second grinding cutter to grind.

Here, the first grinding cutter and the second grinding cutter are characterized by rotating at different rotational speeds on the same axis.

The first grinding cutter, as shown in Figure 3, may be formed of a mill-type grinding cutter 110 for primarily grinding the food waste is formed on the disc while rotating, but is not limited thereto. In some cases, a different shape grinding cutter may be provided.

Milling type grinding cutter 110 of the first grinding cutter is preferably rotated at a low speed of 1,500 ~ 2,500 rpm. This is because the millstone crushing cutter 110 is formed in a disc shape and has a limit in increasing rotational speed, and serves to primarily crush food waste while supporting large coarse food waste not to fall to the bottom.

The mill-type grinding cutter 110, as shown in Figure 3, has an outer blade 118 attached separately from the inner blade 117 formed by cutting the disc, the first crushed food waste Is provided with a plurality of through holes 119 to fall toward the blade type grinding cutter (120).

Accordingly, the food or food waste primarily crushed by the milling crusher 110 is supplied to the lower second milling cutter through the through hole 119 of the milling crusher 110.

In addition, a first shaft hole 140 for fitting the first shaft 111 to be described later is formed at the center of the mill grinding cutter 110.

As illustrated in FIG. 4, the second grinding cutter may be formed as a blade type grinding cutter 120 which is formed on a blade and primarily finely grinds food waste that is pulverized.

In addition, a second shaft hole 150 is formed at the center of the blade type grinding cutter 120 for fitting the second hollow shaft 121 to be described later.

The blade type grinding cutter 120, which is a second grinding cutter, is preferably rotated at a high speed of 7,000 to 15,000 rpm in order to finely grind the food waste primarily ground in the mill grinding grinder 110.

By rotating the blade type grinding cutter 120 at a high speed of 7,000 ~ 15,000 rpm finely crush the food waste and then supply it to the microbial processing unit 50, it is possible to increase the treatment effect in the microbial processing unit 50. .

One blade-type grinding cutter 120 may be installed, two as shown in Figure 4 may be arranged crosswise. Tooth 127 may be formed on one surface of the blade type grinding cutter 120 to increase the grinding efficiency.

In addition, the milling grinding cutter 110 is assembled with the upper end of the first shaft 111, as shown in Figure 2, the blade grinding cutter 120 is a portion of the outer peripheral surface of the first shaft 111 It is assembled with the upper end of the hollow second shaft 121 is assembled to.

That is, a hollow second shaft 121 for rotating the blade grinding cutter 120 is assembled to a part of the outer circumferential surface of the first shaft 111 for rotating the mill grinding cutter 110.

By the above configuration, the first shaft 111 for rotating the milling grinding cutter 110 and the second shaft 121 for rotating the blade grinding cutter 120 can be driven independently by a separate rotor. Can be.

In addition, as shown in FIG. 2, a first lower bearing 116 is assembled at a lower end of the first shaft 111, and the first shaft 111 is disposed at an upper portion of the first lower bearing 116. A first rotor core 114 for rotating is provided.

A plurality of first stator magnets 115 are provided on an outer circumference of the first rotor core 114, and a first commutator 113 is provided on an upper portion of the first rotor core 114. The upper part of the commutator 113 is provided with a first upper bearing 112.

By the above structure, the rotational force of the first rotor core 114 may be transmitted through the first shaft 111 to rotate the milling mill cutter 110.

In addition, as shown in FIG. 2, a second lower bearing 126 is assembled at a lower end of the second shaft 121, and a second shaft 121 is disposed at an upper portion of the second lower bearing 126. A second rotor core 124 for rotating is provided.

A plurality of second stator magnets 125 are provided on an outer circumference of the second rotor core 124, and a second commutator 123 is provided on an upper portion of the second rotor core 124. The upper part of the commutator 123 is provided with a second upper bearing 122.

By the above structure, the rotational force of the second rotor core 124 is transmitted through the hollow second shaft 121 assembled on the outer circumference of the first shaft 111 to rotate the blade grinding cutter 120. You can do that.

According to the present invention, since the first rotor core 114 and the second rotor core 124 are independently driven, the rotational speeds of the first shaft 111 and the second shaft 121 are increased. It can be implemented differently.

Accordingly, the mill-type grinding cutter 110 for primarily crushing the large and rough food waste and the blade-type grinding cutter 120 for finely grinding the firstly ground food waste can be rotated at different rotational speeds. .

For example, the mill-type grinding cutter 110 is rotated at a relatively low speed of 1,500 ~ 2,500 rpm, the blade-type grinding cutter 120 is rotated at a relatively high speed of 7,000 ~ 15,000 rpm, to improve the grinding efficiency of various food waste It can be maximized.

In addition, as shown in Figure 2, the upper outer peripheral surface of the crushing device 100, the cover 130 is formed with a screw engaging portion 44 for coupling with the crushing unit 40.

Since the crushing device 100 can be easily detached from the crushing unit 40 by the above structure, maintenance work of the crushing device can be easily performed.

In addition, as shown in Figure 5, it is preferable that the lower portion of the blade type grinding cutter 120 is further provided with a particle discharge preventing plate 140.

The particle discharge preventing plate 140 is formed with a plurality of arc-shaped through holes 142, the arc-shaped through hole 142 is opposite to the direction of rotation of the blade-type grinding cutter 120 (arrow direction in Figure 5) Arranged radially towards the direction.

By the above structure, the relatively thick food which is primarily crushed and dropped by the milling crushing cutter 110 may be crushed very finely by the blade crushing cutter 120.

In addition, as shown in Figure 2, the lower portion of the blade-type grinding cutter 120 has a shield member 42 for preventing the crushed food waste falling into the interior of the grinding device 100, the grinding portion outlet ( 47) It is installed at an inclined side.

The shielding member 42 blocks the finely crushed garbage crushed material B from flowing into the crusher 100, while the pulverized food waste crushed material B is crushed by the outlet 47. Induce to flow toward.

Hereinafter, with reference to Figure 6 will be described a food waste processing apparatus equipped with a double grinding device according to the present invention.

The food waste processing apparatus shown in FIG. 6 includes a strainer 30 provided at a drain of the sink 10 of a home or a restaurant, and a crusher 40 disposed below the drain of the sink 10 to crush food waste. And a microbial processing unit 50 for processing by inputting microorganisms into the crushed food waste.

Inside the crushing unit 40, the double crushing apparatus 100 of the present invention is installed, the double crushing apparatus 100, the mill-type crushing cutter 110 to rotate at a low speed and the blade-type grinding to rotate at high speed It is configured to include a cutter (120).

Since the mill milling cutter 110 and the blade milling cutter 120 are assembled on one axis and rotated at different rotational speeds, all of the advantages of the mill milling cutter and the blade milling cutter can be used.

In addition, large and coarse food waste can be pulverized primarily by a low-speed milling grinding cutter and secondly by a high-speed blade grinding cutter, thereby maximizing grinding efficiency.

Since a detailed configuration of the dual crushing apparatus 100 has been described above, duplicated descriptions will be omitted.

On the other hand, as shown in Figure 1, one side of the crushing unit 40 may be further provided with a microorganism processing unit 50.

The microorganism processing unit 50, the microorganism supply unit 51 is provided on the top to supply microorganisms, a microorganism supply valve 52 for adjusting the input amount of microorganisms, a heating device 53 for heating the microorganism processing unit and , A blower 54 for blowing air, a partition wall 55 installed vertically on one side of the microorganism processing unit, and a screen 56 provided at the bottom of the microorganism processing unit.

The microorganism supply valve 52 supplies the required amount of microorganisms to the processing unit 50, the heating device 53 prevents the microorganisms from being killed by the drop in temperature, and the blower 54 is air from the outside It is supplied to activate the microorganism by stirring. Thereby, the usage amount of microorganisms can be reduced.

In addition, one side of the microorganism processing unit 50, the partition wall 55 is provided vertically, the lower portion of the partition wall 55 is a plurality of treated water outlet is formed in an arc shape.

In addition, the bottom of the microbial processing unit 50 is provided with a screen 56 for filtering food waste.

By the above structure, the microorganism treated water (C) treated by the microorganism may be discharged to the drainage pipe 80 through the treated water pipe 70 after passing through the treated water outlet.

According to the configuration as described above, the dishes and waste water (A) that do not need to put the microorganisms to the drainage pipe line (80) through the dish pipe line (60) without passing through the crushing unit 40 and the microorganism processing unit (50) Discharged directly.

In addition, the waste pulverized material (B) pulverized in the crushing unit 40 is supplied to the microbial processing unit 50 through the pulverizing unit outlet 47 is treated by the microorganisms and then treated with a waste water pipe 70 through the treated water pipe (70). Discharged to 80.

Accordingly, it is possible to fundamentally prevent the microorganisms from being killed by salts, detergents and hot broth, and to reduce the amount of microorganisms used.

Most of the food in Korea has a feature that contains a large amount of salt, when these salts are directly supplied to the microbial treatment portion causes a problem that most of the microorganisms are killed.

That is, it becomes virtually difficult for the microbial processing apparatus to perform its original function, and in order to solve this problem, it is necessary to continuously supply a large amount of microorganisms.

In addition, since a large amount of water is used for washing dishes, most of the microorganisms are washed down with water when the dishes are directly supplied to the microorganism treatment unit. In addition, detergents used for washing dishes have a negative effect on the survival of microorganisms.

However, according to the structure as shown in FIG. 1, since salt, detergent, hot water, and the like do not pass through the crushing unit 40 and the microorganism processing unit 50, the food waste treatment efficiency by microorganisms can be greatly improved. You can reduce the usage of.

Further, by varying the number of revolutions of the mill-type grinding cutter 110 for primarily crushing the large and rough food waste and the number of revolutions of the blade-type grinding cutter 120 for finely grinding the food waste secondly, millstone Simultaneously implementing the advantages of the type grinding cutter 110 and the blade type grinding cutter 120 can maximize the grinding efficiency.

In addition, since the milling type grinding cutter 110 and the blade type grinding cutter 120 are arranged on one shaft, the grinding apparatus can be miniaturized.

Hereinafter, the operation and effect of the above-described food waste treatment apparatus will be described with reference to FIG. 1.

Normally, while closing the sink lid 20 to prevent the occurrence of odor, when disposing of the food waste water generated when washing dishes or cooking, open the sink lid 20, wash dishes or discard the food waste water.

Then, the dishes and waste water, as indicated by the arrow "A" in FIG. 1, do not go through the crushing unit 40 and the microbial processing unit 50, but through the dish washing line 60 through the cutout of the strainer 30. Directly discharged to the drainage pipe (80).

Accordingly, the detergent contained in the dishes, salts contained in the food waste water, hot water, etc. are not introduced into the crushing unit 40 and the microbial processing unit 50.

When the food waste is accumulated to some extent in the food sieve 30, the sieve 30 is removed and the food waste is put into the grinding unit 40, and then the sieve 30 is returned to its original position.

At this time, the crushing portion plug of the sieve (30) blocks the entrance of the crushing portion 40, so the odor of food waste does not rise up. In addition, since the crushing portion stopper 40 has elasticity, it is possible to easily detach the strainer 30.

If the food is accumulated in the crushing unit 40 by repeating the above process, the valve 46 provided between the crushing unit 40 and the microorganism processing unit 50 is closed and a little tap water is put into the crushing apparatus ( 100) is operated for about 10 to 30 seconds.

The pulverization apparatus 100 is preferably driven by operation of a control box (not shown) provided on one side of the top of the sink 10. In addition, the operation of the valve 46 can also be automatically opened and closed in the control box.

Food waste of rough and various sizes introduced into the crushing unit 40 is first pulverized by the millstone crushing cutter 110 rotating at a low speed, and then falls downward through the through hole 119.

Food waste of a predetermined size dropped through the through-hole 119 is secondarily finely crushed by the blade type grinding cutter 120 rotating at a high speed.

The lower portion of the blade-type grinding cutter 120 is provided with a particle discharge preventing plate 140 to prevent the food waste from falling to the bottom without being completely crushed.

When the crushing of the food waste is completed, the valve 46 is opened to supply some tap water so that the waste crushed product B is supplied to the microorganism processing unit 50 through the pulverization outlet 47.

Subsequently, microorganisms are introduced by opening the microorganism supply valve 52 of the microorganism processing unit 50. If necessary, the heating apparatus 53 and the blower 54 are operated to maintain the temperature in the microorganism processing unit 50 at a constant temperature and activate the microorganisms.

As shown in FIG. 8, the microbial treatment water C, which has been processed by the microbial treatment unit 50, is different from the left side of the partition wall 55 of the microbial treatment unit 50.

When the microbial treatment water (C) is a certain height difference, a part of the microbial treatment water (C) is moved to the right side of the partition wall 55 through the treatment water outlet 57 due to the water pressure, the treatment water pipe (70) Finally through the drain pipe 80 is discharged.

The foregoing description of preferred embodiments of the present invention has been provided for purposes of illustration and description. Those skilled in the art will appreciate that various changes and modifications are possible within the scope of the technical idea of the present invention.

For example, the dual pulverizer of the present invention can be applied not only to the food waste processing apparatus but also to a pulverizing apparatus for pulverizing fruits, vegetables and foods, and to other pulverizing apparatuses.

10: sink 20: sink lid
30: sieve 40: crusher
42: shield member 44: screw coupling portion
46: valve 47: pulverization outlet
50: microorganism processing unit 51: microorganism supply unit
52: microorganism supply valve 53: heating device
54: blower 55: bulkhead
56: screen 57: treated water outlet
60: dish washing pipeline 70: treated water pipeline
80: drain pipe 100: grinder
110: milling mill cutter 111: the first shaft
112: first upper bearing 113; First commutator
114: first rotor core 115: first stator magnet
116: first lower bearing 117: inner blade
118: outer blade 119: through
120: blade type grinding cutter 121: second shaft
122: second upper bearing 123: second commutator
124: second rotor core 125: second stator magnet
126: second lower bearing 127: tooth
130: cover 140: particle discharge preventing plate
142: through hole
A: Washing Dishes and Waste Water B: Garbage Disposal
C: microbial treated water

Claims (12)

In the grinding device for finely grinding various foods and food waste by the rotation of the grinding cutter,
A first grinding cutter for primarily grinding food or food waste,
A second grinding cutter provided below the first grinding cutter to finely grind food or food waste secondary;
The first grinding cutter and the second grinding cutter rotates at different rotational speeds on the same axis,
The first grinding cutter,
It is a mill-type crushing cutter (110) is formed on the disc and rotates the food or food waste put into the primary while rotating,
The second grinding cutter,
It is formed on the blade is provided in the lower portion of the mill-type grinding cutter 110, while rotating, the blade-type grinding to finely crush the second food or food waste falling after being crushed in the mill-type grinding cutter 110 Cutter 120,
The milling grinding cutter 110 is assembled with the upper end of the first shaft 111,
The blade type grinding cutter 120 is assembled with the upper end of the hollow second shaft 121 is assembled to a portion of the outer peripheral surface of the first shaft 111,
The first shaft 111 and the hollow second shaft 121 are independently driven by a separate rotating device,
The first lower bearing 116 is assembled to the lower end of the first shaft 111,
The upper part of the first lower bearing 116 is provided with a first rotor core 114 for rotating the first shaft 111,
The outer circumference of the first rotor core 114 is provided with a plurality of first stator magnets 115,
The first commutator 113 is provided on an upper portion of the first rotor core 114,
The first upper bearing 112 is provided on the upper portion of the first commutator 113,
A second lower bearing 126 is assembled at the lower end of the second shaft 121,
A second rotor core 124 for rotating the second shaft 121 is provided on an upper portion of the second lower bearing 126.
The outer circumference of the second rotor core 124 is provided with a plurality of second stator magnets 125,
A second commutator 123 is provided on an upper portion of the second rotor core 124,
The second mill commutator 123 is provided with a second upper bearing (122) is provided with a double grinding device having a grinding cutter different in the number of revolutions. delete delete delete delete The method according to claim 1,
The milling grinding cutter 110 is a dual grinding device having a grinding cutter with a different rotation speed, characterized in that rotated at 1,500 ~ 2,500 rpm. The method according to claim 1,
The blade type grinding cutter 120 is a double grinding device having a grinding cutter with a different rotation speed, characterized in that rotated at 7,000 ~ 15,000 rpm. The method according to claim 1,
The upper outer circumferential surface of the crushing device 100 cover 130 is formed with a screw engaging portion 44 for coupling with the crushing unit 40,
The inner side of the screw coupling portion 44 is provided with a shielding member (42) for preventing the crushed food waste from flowing into the lower double crushing device having a grinding cutter with a different speed. The method according to claim 1,
The millstone grinding cutter 110 is provided with an inner blade 117 formed by cutting a disc, and an outer blade 118 attached separately, and the firstly ground food waste is a blade grinding cutter 120. Dual grinding apparatus having a grinding cutter with a different number of revolutions, characterized in that a plurality of through-holes (119) are formed to fall toward. The method according to claim 1,
Two blade type grinding cutters 120 are arranged in a cross shape, the one side of the blade type grinding cutter 120 has a sawtooth 127 is characterized in that the double grinding with a different grinding speed cutter Device. The method according to claim 1,
A particle discharge preventing plate 140 is further provided below the blade type grinding cutter 120, and the particle discharge preventing plate 40 has a through hole 142 formed therein. Equipped with double grinding device. 12. The method of claim 11,
The through hole 142 is formed in a plurality of circular arcs, a dual grinding device having a grinding cutter with a different rotation speed, characterized in that arranged radially in the opposite direction of rotation of the blade-type grinding cutter 120 .

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