KR20210085703A - Multi purpose grinder - Google Patents

Abstract

The present invention relates to a multipurpose grinder (1) capable of pulverizing various grains as well as minerals. Grinding can be performed in a state where an object to be crushed is moved by a centrifugal force according to the millstone principle, and it effectively reduces frictional heat generated during a crushing process so that a continuous operation is possible while providing an effect of preventing a thermal change of a crushed object. Grinding can be performed in a state where an object to be pulverized is moved by centrifugal force according to the millstone principle, and the frictional heat generated during a pulverization process is effectively reduced. A continuous operation is possible while providing the effect of preventing a heat change of a pulverized object. Grinding can be performed in a state where an object to be pulverized is moved by a centrifugal force according to the millstone principle, and frictional heat generated during a pulverization process is effectively reduced. A continuous operation is possible while providing the effect of preventing a heat change of the pulverized object. The present invention comprises: a dust collecting hopper provided with a drain pipe at the lower side; a fixed disk mounted on a support member provided inside the dust collecting hopper so as to be located below a coupling hole formed above a dust collecting hopper; a drive shaft coupled to the center of the fixed disk to rotate and supported by a bearing inside the housing coupled to the upper side of the fixed disk, and a drive motor installed on the upper side of the housing to rotate the drive shaft; and a drive shaft coupled to the center of the fixed disk to rotate and supported by a bearing inside the housing coupled to the upper side of the fixed disk, and the drive motor installed on the upper side of the housing to rotate the drive shaft. A rotating disk spaced apart from the fixed disk to the lower side of the fixed disk rotates together with the drive shaft. In the fixed disk, an input space to be pulverized is formed on the central side to which the drive shaft is coupled. An input pipe for inputting the crushed material into a crushed material input space is installed. A plurality of grinding grooves are formed in the rotating disk, which are deep at the center and become shallower toward the outside. The fixing shaft. In the fixed disk, an input space to be pulverized is formed on the central side to which the drive shaft is coupled. An input pipe for inputting the crushed material into the crushed material input space is installed. A plurality of grinding grooves are formed in the rotating disk which is deep at the center and become shallower toward the outside.

Description

Multi purpose grinder

The present invention relates to a multi-purpose grinder that can grind various grains as well as minerals, and more specifically, it can be grinded in a state where the object to be grinded is moved by centrifugal force according to the millstone principle, and occurs in the grinding process It is an object of the present invention to provide a multi-purpose grinder that effectively reduces the frictional heat generated and provides the effect of preventing the heat change of the pulverized object while enabling continuous operation.

In the case of various grains or minerals, the pulverized material is crushed and pulverized according to the intended use.

For example, grain rice or wheat is rolled into powder, pepper is crushed, or minerals are pulverized.

A pulverizer of various configurations for pulverizing these various grains or minerals is provided, and representatively, the multipurpose pulverizer of the Republic of Korea Patent Publication (A) 10-2006-0108390 (2006.10.18.) is provided, and the configuration of the pulverizer is provided. a frame in which an inlet and an outlet are respectively formed in the upper and lower portions of the silver; a pair of driven rollers rollingly coupled to the driven shaft inside the frame; a pair of driving rollers fixedly coupled to the driving shaft inside the frame; a pair of belts frictionally coupled with the driven roller and the driving roller as belt pulleys; a driven gear and a driving gear fixedly coupled to one end of the drive shaft; and a driving motor for driving the driving gear.

As another example, a multi-purpose grinder of Korean Patent Application Laid-Open Publication No. (A) 10-2006-0112029 (October 31, 2006) has been proposed, and the configuration includes a grinding case having an inlet, an outlet, and an operation switch; a pair of support frames spaced apart from each other in the crushing case and coupled in parallel to each other; a grinding guide unit comprising: an external leakage prevention panel coupled to a predetermined portion of the upper inner surface of the support frame to prevent external leakage of the crushed product; and a grinding guide panel configured to guide the crushed product into the inside of the grinder; A grinding roller mill spaced apart from the external leakage prevention panel by a predetermined distance and formed at a predetermined angle of incidence with the grinding induction panel to grind the object to be pulverized and at the same time to be fixedly coupled to the grinding shaft inserted in predetermined portions on both sides of the support frame; It is configured to include; a drive motor for driving the grinding roller mill.

In the case of the above-mentioned prior art, it is caused by friction with the roller, and there is a difficulty in fine pulverization, and there are problems such as generation of iron powder due to friction in the pulverization process.

KR 1020060108390 A 2006.10.18. KR 1020060112029 A 2006.10.31.

Accordingly, the present inventor has researched and developed the present invention by focusing on the fact that various problems caused by fine pulverization of the pulverized object in the conventional grinder can be solved by accurately maintaining the distance between the fixed disk and the rotating disk while using the millstone principle,

That is, in the present invention, a grinding groove is formed in the rotating disc in a state in which it is driven like a millstone by disposing a rotating disc that rotates at high speed opposite to the fixed disc. A multi-purpose grinder is provided to provide a function of preventing the object to be pulverized from being changed by heat by cooling the frictional heat generated during the pulverization process by providing a cooling means in the fixed disk. The present invention has been completed by setting the technical problem of the invention.

In the present invention as a means to solve the problem, the first is a dust collecting hopper provided with a drain pipe on the lower side; a fixed disk mounted on a support member provided inside the dust collecting hopper so as to be located under the coupling hole formed above the dust collecting hopper; a drive shaft coupled to the center of the fixed disk to rotate and supported by a bearing inside the housing coupled to the upper side of the fixed disk, and a drive motor installed on the upper side of the housing to rotate the drive shaft; Installing a rotating disk spaced apart from the fixed disk to the lower side of the fixed disk rotates together with the drive shaft; The fixed disk is provided with an input pipe for inputting the crushed material into the crushed material input space and to form a crushed material input space on the central side to which the driving shaft is coupled; The rotary disk is characterized in that a plurality of crushing grooves are formed in a configuration that is deep at the center and becomes shallower toward the outside, and the inner side close to the drive shaft is wider and narrower toward the edge in plan view.

Second, it is characterized in that the distance between the fixed disk and the rotating disk is 3 to 50 μm.

Third, it is characterized in that a coating layer coated with any one of diamond, metal, and ceramic by thermal spraying is provided on the opposite surface of the fixed disk and the rotating disk.

Fourth, the grinding groove is characterized in that it is formed to be curved in the direction opposite to the rotation of the rotating disk in plan view.

Fifth, it is characterized in that a flow path is formed in the inside of the fixed disk, and the cooling water is passed through to allow cooling.

Sixth, the coupling of the drive shaft and the rotary disk is performed by disposing a space member at the lower end of the drive shaft in a state where the rotary disk is coupled to the drive shaft, and fixing the space member and the pressure plate to the drive shaft with a first fixing bolt in a state where the pressure plate is disposed below the drive shaft, A second fixing bolt fastened to the rotating disk is installed at the edge of the pressing plate so that the distance between the fixed disk and the rotating disk can be adjusted.

When using the multi-purpose grinder provided by the present invention, there are the following effects.

-Pulverization efficiency is high because the object to be pulverized is continuously moved and pulverized through the pulverizing groove formed in the rotating disk while using the millstone principle.

- Since the fixed disk and the rotating disk are separated from each other and a thermal spray coating layer is formed on the surface, metal powder is not included in the pulverized material.

- A flow path is formed in the fixed disk to allow cooling, and it can prevent the object to be pulverized from being thermally changed by cooling the frictional heat generated during the pulverization process.

-At the edge of the pressure plate, a second fixing bolt that is fastened to the rotating disk is installed, so the distance between the fixed disk and the rotating disk can be easily adjusted by tightening the second fixing bolt.

- There is no risk of malfunction due to the simple configuration.

1 is an external perspective view showing a preferred embodiment of the multi-purpose grinder provided by the present invention;
Figure 2 is a front view of a state in which the dust collection hopper is cut in the multi-purpose grinder provided by the present invention;
3 is an exploded perspective view showing the fixed disk and the rotating disk in the present invention;
Figure 4 is a cross-sectional view of the assembled state of Figure 3;
5 is a plan view of a rotating disk applied to the present invention;

Hereinafter, a preferred embodiment of the multi-purpose grinder provided by the present invention will be described based on the accompanying drawings.

1 is an external perspective view showing a preferred embodiment of the multi-purpose grinder provided by the present invention, and FIG. 2 is a front view showing a state in which the dust collecting hopper is cut in the multi-purpose grinder provided by the present invention.

The multipurpose grinder 1 provided in the present invention is provided with a dust collecting hopper 2 so that it can be positioned at a certain height from the ground by a support 2a as shown, and the dust collecting hopper 2 has a configuration of upper and lower halves. and a drain pipe (3) is installed in the narrowed lower part, and a drain valve (3a) is installed in the drain pipe (3).

A coupling hole (2b) is formed on the upper side of the dust collecting hopper (2), and a support member (4) positioned inside the dust collecting hopper (2) is provided at a lower portion of the coupling hole (2b).

The support member (4) is provided with a locking jaw (5a) formed on the edge of the fixed disk (5) is caught and placed on the upper coupling hole (2b) of the dust collecting hopper (2), the upper side of the fixed disk (5) A housing (6) is installed in the furnace, and a bearing (7) is installed in the housing (6). At this time, it is preferable to apply a thrust bearing joined to the load in the axial direction for the bearing 7 .

A drive motor 8 is installed on the upper side of the housing 6 , and the drive shaft 9 to which the power of the drive motor 8 is transmitted is supported by the bearing 7 in the housing 6 and the fixed disk 5 ) passes through the center of the dust collecting hopper (2) and protrudes inside the dust collecting hopper (2), and the rotating disk (10) positioned opposite to the fixed disk (5) is coupled to the protruding drive shaft (9) to rotate together with the drive shaft (9). Make it possible to pulverize the object to be pulverized.

An input pipe 11 is installed in the fixed disk 5 so that the crushed material can be continuously fed into the crushed material input space 5b formed on the drive shaft 9 side. At this time, an input hopper 12 may be installed at the upper end of the input pipe 11 or a separate supply means for continuously and uniformly supplying the pulverized material may be connected.

A plurality of crushing grooves 10a are formed in the rotating disk 10, which are deep in the center and shallower toward the outside.

3 is an exploded perspective view showing the fixed disk and the rotating disk in the present invention, FIG. 4 is a cross-sectional view of the assembled state of FIG. 3, and FIG. 5 is a plan view of the rotating disk applied to the present invention.

Looking at the configuration of the fixed disk 5 and the rotating disk 10 provided in the present invention in more detail, the lower portion of the fixed disk 5 is formed with a crushed object input space 5b connected to the input pipe 11 Also, a flow path 5c is formed inside to allow the cooling water to pass therethrough. The pulverized material input space (5b) provides a cross-sectional shape that gradually becomes shallower outward from the drive shaft (9) portion.

The rotary disk 10 located opposite to the lower side of the fixed disk 5 is coupled to the drive shaft 9 and rotates together. The combination of the drive shaft 9 and the rotary disk 10 rotates the drive shaft 9 . The space member 13 is disposed at the lower end of the drive shaft 9 in a state where it is fitted into the hole formed in the center of the disk 10, and the space with the first fixing bolt 15 in the state where the pressing plate 14 is disposed below it. The member 13 and the pressing plate 14 are fixed to the drive shaft 9, and a second fixing bolt 16 fastened to the rotating disk 10 is installed at the edge of the pressing plate 14 to rotate with the fixing disk 5. It is possible to adjust the spaced distance of the disk 10 .

In this case, the distance between the fixed disk 5 and the rotating disk 10 is preferably 3 to 50 μm, and the spaced distance can be adjusted as needed. In order to maintain such a spaced distance, it is necessary to precisely process the fixed disk 5 and the rotating disk 10 to provide high precision.

On the other hand, as mentioned above, the rotary disk 10 is provided with a plurality of crushing grooves 10a that are deep at the center and become shallower toward the outside, and these crushing grooves 10a are the rotary disk 10 in plan view. Curvature in the opposite direction of rotation. As shown, although six grinding grooves 10a are formed, two or more may be formed in various ways depending on the size of the rotating disk 10 . In addition, the grinding groove (10a) is formed in a configuration in which the inner side close to the drive shaft (9) is wide and narrows toward the edge when viewed in a plan view, so that when the object to be pulverized moves outward by centrifugal force, it moves upward toward the fixed disk (5) to be able to provide

A coating layer (5-1) (10-1) coated with any one of diamond, metal, and ceramic by thermal spraying is provided on the opposite surface of the fixed disk (5) and the rotating disk (10) provided in the present invention. It also makes it possible to pulverize minerals and the like.

In addition, in the present invention, a flow path 5c is formed inside the fixed disk 5 to pass the cooling water through it to allow cooling.

The multi-purpose grinder 1 provided in the present invention configured as described above is mainly used when grinding grains or minerals into a fine powder state, and the operation according to the use of the present invention will be described below.

When the object to be pulverized is to be pulverized using the present invention, the pulverized particles of the pulverized material are first cut and the distance between the fixed disk 5 and the rotating disk 10 is adjusted to match it.

The distance between the fixed disk 5 and the rotating disk 10 is maintained at 3 μm or more. In this state, the second fixing bolt 16 is screwed to the edge of the rotating disk 10 assembled as shown in FIG. 4 . ), the distance between the fixed disk 5 and the rotating disk 10 is widened to 50 μm while the rotating disk 10 is pulled toward the pressing plate 14 .

As described above, after adjusting the spacing between the fixed disk 5 and the rotating disk 10 to match the pulverized particles of the pulverized product, power is applied to the driving motor 8 to rotate the rotating disk 10 while the input pipe 11 is Put the pulverized material into

The pulverized material introduced into the input pipe 11 is first put into the pulverized material input space 5b at the center of the fixed disk 5 located on the upper side, and the pulverized material input space 5b is put into the pulverized material input space 5b. Water pushes the pulverized object into the pulverizing groove 10a formed in the rotating disk 10 .

The crushed object inserted into the crushing groove 10a generates a force to move outward by centrifugal force, gradually becoming shallower outward and moving along the crushing groove 10a which is curved in the opposite direction to rotation.

At this time, a part of the pulverized material is exposed to the upper portion of the pulverizing groove 10a, and the exposed portion is in contact with the fixed disk 5 to be pulverized.

Meanwhile, heat is generated by friction when the pulverized material is pulverized as described above. According to the present invention, a flow path 5c is formed inside the fixed disk 5, and the coolant passes through the flow path 5c. Because it has a configuration, it provides the function of always grinding the pulverized object in an optimal state by cooling the heat generated by friction.

In the detailed description of the present invention, although specific embodiments are described, various modifications are possible without departing from the scope of the present invention. Therefore, the protection scope of the present invention should not be limited to the described embodiments, and should be defined by the following claims as well as equivalents.

1: Multi-purpose grinder 2: Dust collection hopper
2a: Support 3: Drain pipe
3a: drain valve 4: support member
5:Fixed disk 5a: Clamping jaw
5b: Grinding object input space 5c: Euro
5-1, 10-1: Coating layer 6: Housing
7: Bearing 8: Drive Motor
9: Drive shaft 10: Rotating disk
10a: Grinding groove 11: Inlet pipe
12: input hopper 13: space member
14: pressure plate 15: first fixing bolt
16: second fixing bolt

Claims (6)

a dust collecting hopper (2) having a drain pipe (3) on the lower side;
a fixed disk 5 mounted on the support member 4 provided inside the dust collecting hopper 2 so as to be located under the coupling hole 2b formed above the dust collecting hopper 2;
The drive shaft 9 coupled to the center of the fixed disk 5 to rotate and supported by the bearing 7 inside the housing 6 coupled to the upper side of the fixed disk 5 and the housing 6 to rotate the drive shaft 9 ) and the drive motor (8) installed on the upper side;
a rotary disk 10 spaced apart from the fixed disk 5 to the lower side of the fixed disk 5 and rotated together with the drive shaft 9 is installed;
In the fixed disk (5), a crushed object input space (5b) is formed on the central side to which the driving shaft (9) is coupled, and an input pipe (11) for putting the crushed material into the crushed material input space (5b) is installed. ;
A plurality of grinding grooves (10a) are formed in the rotary disk (10), which are deep at the center and become shallower toward the outside, wider on the inner side closer to the drive shaft (9) in plan view, and narrower toward the edge when viewed in a plan view. Multipurpose grinder.
The method of claim 1 ;
A multipurpose grinder, characterized in that the distance between the fixed disk (5) and the rotating disk (10) is 3 to 50 μm.
The method of claim 1 ;
Multipurpose, characterized in that the fixed disk (5) and the rotating disk (10) are provided with coating layers (5-1, 10-1) coated with any one of diamond, metal, and ceramic by thermal spraying on the opposite surface grinder.
The method of claim 1 ;
The grinding groove (10a) is a multipurpose grinder, characterized in that it is formed to be curved in the direction opposite to the rotation of the rotating disk (10) in a plan view.
The method of claim 1 ;
A multi-purpose grinder, characterized in that a flow path (5c) is formed inside the fixed disk (5) to pass through the cooling water for cooling.
The method of claim 1 ;
In the coupling of the drive shaft 9 and the rotary disk 10, the space member 13 is disposed at the lower end of the drive shaft 9 in a state where the rotary disk 10 is coupled to the drive shaft 9, and the pressure plate 14 is disposed below the drive shaft 9. ) in a state in which the space member 13 and the pressure plate 14 are fixed to the drive shaft 9 with the first fixing bolt 15 , and the edge of the pressure plate 14 has a second fastened to the rotating disk 10 . A multipurpose grinder, characterized in that by installing a fixing bolt (16), the distance between the fixed disk (5) and the rotating disk (10) can be adjusted.

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