KR101590880B1 - A dispersion mill - Google Patents

Abstract

The present invention relates to a dispersing mill which can be installed in a raw material supplying section to constitute a double valve structure for opening or shutting the conveyance path of raw material to prevent the flow of the raw material and the back flow.
In order to achieve this, a dispersion grinder having a double valve structure for supplying a working material according to the present invention comprises an inner space part and a case including an opening part opened at a front upper side to be connected to the space part, ; A top body disposed on the upper side of the case front; A bottom body mounted on a lower portion of the top body, the bottom body including an inner receiving portion, a lower raw material supplying portion connected to the receiving portion, and an upper particulate discharging portion connected to the receiving portion. A rotor arranged on the lower side of the receiving portion of the bottom body and for dispersing and crushing the raw material; A separator arranged on an upper side of the receiving portion of the bottom body for discharging only fine particles having a predetermined particle size or less ground by the rotor to the discharge portion; A driving motor disposed in a space portion of the case and having a driving pulley, a shaft rotatably mounted on the top and bottom bodies, a shaft having the separator and the rotor coupled to each other above and below the lower end portion, And a drive belt interconnecting the drive pulley and the driven pulley and passing through an opening of the case, wherein the drive unit rotates the separator and the rotor, A bottom end of the top end of the bottom body is connected to a top end of the top end of the top end of the top end of the top end of the top end of the top end of the top end of the bottom end, A cylindrical body formed on the bottom of the top flange, a bottom flange formed on the bottom of the cylindrical body, And a valve means for opening or closing the supply of the raw material passing through the corresponding flow-through portion, wherein the corresponding flow-through portion includes an upper top hole and a lower bottom hole, And a middle hole connecting the top hole and the bottom hole, wherein the top and bottom holes have the same diameter, the middle hole has a smaller diameter than the top and bottom holes, A spherical top ball accommodated in a top hole of the corresponding flow portion and elastically supported by the top spring and closely attached to the periphery of the upper portion of the middle hole; A bottom spring which is accommodated and supported around the lower portion of the middle hole and a bottom spring accommodated in the bottom hole of the corresponding flow passage, And a boss member having upper and lower through holes therein to be inserted into a lower portion of the bottom hole of the corresponding flow distribution portion so that the bottom ball is brought into close contact with the periphery of the upper portion of the through hole, The top and bottom balls are pressed upward by the pressurizing pressure of the raw material passing through the holes so that the conveyance path for supplying the raw material to the bottom body receiving portion side is opened.

Description

A DISPERSION MILL WITH DUAL VALVE STRUCTURE FOR SUPPLYING PROCESS MATERIALS

The present invention relates to a dispersion mill for atomizing a raw material for processing, and more particularly, to a dual-structure valve for opening or closing a feed path of a raw material, which is mounted in a raw material supply section, .

As a technique relating to a dispersing mill for atomizing a raw material for processing,

Korean Registered Patent No. 10-1256168 filed by the present applicant (registered on Apr. 12, 2013, hereinafter referred to as "prior art") "Dispersing mill for improving particulate discharge performance of processed raw materials" is proposed,

The prior art includes a body having an inner receiving portion, an upper side raw material supplying portion connected to the receiving portion, and a lower side fine particle discharging portion connected to the receiving portion; A rotation drive unit for the rotor, a rotor arranged for the dispersion of the raw material and for crushing the raw material, and a rotation drive unit for discharging only the fine particles of a predetermined particle size or less, which are arranged on the discharge side of the body, Wherein the sorting unit comprises a mounting body provided on the side of the discharging portion in the housing portion of the body and having an upper and a lower central hole at an inner center thereof, A top disk having a top and bottom penetrating top hole, a bottom disk spaced apart from the bottom of the top disk and having an upper and a bottom bottom hole at an inner center thereof, a relay body interconnecting the top and bottom disks, And the other end is supported along the periphery of the upper portion of the bottom hole of the bottom disc, A plurality of vertical blades spaced apart from each other so as to have a through-hole for discharging the air, a holding means for holding the respective vertical blades, a plurality of vertically- A top support having a hole, a ring recess connected to a lower portion of the top support and recessed downward along an inner center, and a plurality of upper and lower through holes formed in the recess, And a plurality of horizontal blades having a recessed space portion on the side thereof and arranged radially in close contact with the recess of the bottom support and fixed by the top support.

At this time, there is a problem in that the supply of the prior art does not have a separate valve structure for opening or shutting its internal path, thereby causing outflow of raw materials and reverse flow.

An object of the present invention is to provide a dispersion mill having a valve structure in which a feed path is opened by a feed pressure caused by a raw material feed during feeding of a raw material and is automatically shut off when raw material is cut off.

It is another object of the present invention to provide a dispersion grinder in which a valve for opening and shutting off a feed path of a raw material is realized as a dual structure.

According to an aspect of the present invention, there is provided a dispersion grinder having a double valve structure for supplying a working material,

A case including an inner space portion and an opening portion opened at a front upper side to be connected to the space portion;

A top body disposed on the upper side of the case front;

A bottom body mounted on a lower portion of the top body, the bottom body including an inner receiving portion, a lower raw material supplying portion connected to the receiving portion, and an upper particulate discharging portion connected to the receiving portion.

A rotor arranged on the lower side of the receiving portion of the bottom body and for dispersing and crushing the raw material;

A separator arranged on an upper side of the receiving portion of the bottom body for discharging only fine particles having a predetermined particle size or less ground by the rotor to the discharge portion; And

A driving motor which is disposed in a space of the case and has a driving pulley, a shaft which is rotatably mounted on the top and bottom bodies and on which the separator and the rotor are coupled respectively above and below the lower end, And a drive belt connecting the drive pulley and the driven pulley to each other and passing through an opening of the case, the drive unit rotating the separator and the rotor;

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A bottom portion of the bottom body is formed with a bottom portion at the center of the bottom portion,

An annular step portion is formed at an upper end of the inside of the circulation portion,

Wherein the bottom portion of the bottom body includes a top flange coupled to a bottom surface of the bottom body, a cylindrical body formed under the top flange, a bottom flange formed under the cylindrical body, And a valve means for opening or shutting off supply of the raw material passing through the corresponding circulation portion,

Wherein the corresponding flow-through portion comprises an upper top hole, a lower bottom hole, and a middle hole connecting the top hole and the bottom hole, wherein the top and bottom holes have the same diameter, and the middle hole has a smaller diameter than the top and bottom holes However,

Wherein the valve means includes a top spring accommodated in the flow portion to be supported by the step portion, a spherical top ball accommodated in a top hole of the corresponding flow portion, elastically supported by the top spring, A bottom spring accommodated in the bottom hole of the corresponding flow distributing portion and supported around the lower middle hole, a spherical bottom ball accommodated in the bottom hole of the corresponding flow distributing portion and elastically supported by the bottom spring, And a boss member inserted and attached to a lower portion of the bottom hole of the corresponding flow distributing portion so that the bottom ball closely contacts the periphery of the upper portion of the through hole,

The top and bottom balls are pressed upward by the pressure of the raw material passing through the through hole of the boss member so that the feeding path for supplying the raw material to the bottom body receiving portion side is opened.

And a boss member of the valve means is formed with a tool insertion portion on a lower surface thereof.

In the bottom body, an O-ring insertion portion is formed in each of a top flange upper surface and a bottom flange bottom surface of the supply portion.

The dispersion mill according to the present invention, having a double valve structure for feeding a raw material,

The balls are blocked by the two springs supporting the two balls arranged in the upper and lower pairs in the raw material supply part. When the balls are pressed and raised by the pressure of the raw material to be fed, the feeding path is opened By implementing the double valve structure in which the raw material is fed into the dispersion and crushing part and the two balls block the feed path by the elastic force of each spring when the supply of raw material is cut off, There is a big effect.

1 is a side view showing a dispersion mill according to the present invention,
FIG. 2 and FIG. 3 are enlarged views showing a supply part of the dispersion mill according to the present invention. FIG.

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

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

The direction of the top and bottom bodies is specified as the front side or the front side and the case side is defined as the rear side or rear side with reference to Fig. 1,

Further, the upper side or the lower side of the top body side is referred to as the lower or the lower side.

1 to 3, a dispersion mill having a double valve structure for feeding a raw material according to the present invention comprises:

And includes a case 10, a top body 20, a bottom body 30, a rotor 40, a separator 50, and a drive unit 60.

Looking at each configuration,

The case 10

As shown in Figure 1,

The inner space portion 11, and

An opening 12 opened on the front upper side so as to be connected to the space 11,

As shown in Fig.

A wheel, which is a means for moving, may be provided below the case 10.

The top body 20

As shown in Figure 1,

And is fixed to the case 10 by means of bolts or the like.

The bottom body 30

As shown in Figure 1,

And is fixedly mounted to the lower portion of the top body 20 by bolts or the like,

The inner receiving portion 31,

A lower raw material supply portion 32 connected to the receiving portion 31, and

An upper particulate discharging portion 33 connected to the receiving portion 32,

As shown in Fig.

The rotor (40)

As shown in Figure 1,

The bottom body 30 is disposed on the lower side of the accommodating portion 31 and is used for dispersing and crushing the processing raw material introduced into the supply portion 32 of the bottom body 30,

A plurality of rotor pins 41 provided on the lower end of the shaft 63 of the drive unit 60 to be described later along the longitudinal direction thereof,

.

Here, as to the arrangement of the rotor pins 41,

Two rotor pins 41 are provided on both sides of the outer circumferential surface of the shaft 63, and are formed in a straight shape when viewed from above,

Further, two other rotor fins 41 are provided on both sides of the outer circumferential surface of the shaft 63 above the two rotor fins 41 in the form of a line when viewed from above,

At this time, the lower two rotor fins 41 and the upper two rotor fins 41 form a cross shape when viewed from above.

Accordingly, the lower two rotor pins 41 and the upper two rotor pins 41 are installed along the longitudinal direction of the shaft 63 so as to be offset from each other.

A separator (50)

As shown in Figure 1,

The exhaust port 33 is disposed on the upper side of the receiving portion 31 of the bottom body 30 so as to discharge only fine particles of a predetermined particle size and a predetermined size, which are pulverized by the rotor 40,

A plurality of fine particle inflow portions 51 formed along the outer circumferential surface, and

(Not shown) for connecting the inlet 51 and the outlet 41 to each other,

And is coupled to a shaft 63 to be described later.

The drive unit 60

As shown in Figure 1,

To rotate the separator (50) and the rotor (40)

A drive motor 62 disposed in the space portion 11 of the case 10 and having a drive pulley 61,

A shaft 63 which is rotatably installed in the top and bottom bodies 20 and 30 and is coupled to the separator 50 and the rotor 40 at the upper and lower ends thereof,

A driven pulley 64 coupled to an upper end of the shaft 63,

A driving belt 65 which interconnects the driving pulley 61 and the driven pulley 64 and passes through the opening portion 12 of the case 10,

.

The driving pulley 61 is rotated by driving the driving motor 62 and the driven pulley 64 and the shaft 63 connected to the driving belt 65 are rotated together, (40) and the separator (50) rotate.

Although the rotor 40 and the separator 50 are coupled to the single shaft 63, the present invention is not limited thereto, but may be separately installed in each of the two separate shafts, .

On the other hand, the dispersing mill according to the present invention

2 and 3, the bottom portion 30 of the bottom body 30 is formed with a flow portion 34 vertically passing through the center of the bottom of the receiving portion 31,

An annular step portion 35 is formed at the upper end of the inside of the flow portion 34.

And the supply part 32 of the bottom body 30

A top flange 321 coupled to a bottom surface of the bottom body 30,

A cylindrical body 322 formed under the top flange 321,

A bottom flange 323 formed below the cylindrical body 322,

Corresponding top and bottom flanges 321 and 323 and a corresponding circulation portion 324 vertically penetrating the cylindrical body 322 and communicating with the circulation portion 34,

A valve means 325 for opening or shutting off the supply of the raw material passing through the corresponding distribution portion 324,

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The corresponding flow distributing unit 324 includes an upper top hole 324a and a lower bottom hole 324b and a middle hole 324c connecting the top hole 324a and the bottom hole 324b to each other, The bottom holes 324a and 324b have the same diameter and the middle hole 324c has a smaller diameter than the top and bottom holes 324a and 324b.

As a result, the corresponding distribution unit 324 has a cross-sectional structure of upper light-middle light-lower light.

And the valve means (325)

A top spring 325a accommodated in the flow portion 34 so as to be supported by the step portion 35,

A spherical top ball 325b accommodated in a top hole 324a of the corresponding circulation portion 324 and elastically supported by the top spring 325a and closely attached to the periphery of the upper portion of the middle hole 324c,

A bottom spring 325c received in the bottom hole 324b of the corresponding flow distributing portion 324 and supported around the lower portion of the middle hole 324c,

A spherical bottom ball 325d accommodated in the bottom hole 324b of the corresponding flow distributing portion 324 and elastically supported by the bottom spring 325c,

A boss member having upper and lower through holes 325e1 and inserted into the lower portion of the bottom hole 324b of the corresponding flow distributing portion 324 so that the bottom ball 325d is in close contact with the periphery of the upper portion of the through hole 325e1 325e)

.

At this time, a screw portion is formed on the outer circumferential surface of the boss member 325e and a corresponding screw portion is formed on the inner circumferential surface of the bottom hole 324b of the corresponding flow portion 324, whereby the boss member 325e, (Not shown).

The top and bottom balls 325b and 325d are pressed upward by the pressurizing pressure of the raw material passing through the through hole 325e1 of the boss member 325e, The feed path for feeding the raw material is opened.

The 'transport path' refers to a path in which the top hole 324a, the middle hole 324c, and the bottom hole 324b communicate with each other by the rise of the top and bottom balls 325b and 325d it means.

When the supply of the raw materials is interrupted, the transport path is blocked as the top and bottom balls 325b and 325d are restored by the elastic force of the top and bottom springs 325a and 325c.

2 and 2, a boss member 325e of the valve means 325 is further formed with a tool insertion portion 325e2 on the lower surface thereof, and the tool insertion portion 325e2 Allows a fastening or disengaging operation with respect to the boss member 325e by using a straight type screwdriver or the like.

In addition, annular O-ring insertion portions 321a and 323a are further formed on the upper surface of the top flange 321 and the lower surface of the bottom flange 323 of the supply unit 32 in the bottom body 30, 321a, 323a, and the inserted O-rings increase the sealing performance against the respective engagement surfaces (the engagement surface between the top flange and the bottom body, and the engagement surface between the bottom flange and the supply line side end).

Although not shown, a supply line connected to a tank storing the raw material is connected to the supply portion 32 of the bottom body 30,

At this time, the flange of the end portion of the supply line (preferably a shape facing the bottom flange 323) is brought into contact with the bottom flange 323,

And are fixedly coupled to each other via a flange of the supply line and an annular holder surrounding the bottom flange 323.

The 'holder' has a hinge structure and can be folded or unfolded with respect to the hinge region, and has a conventional clamp structure capable of fixing the folded state by a separate bolt or pin.

The dispersing mill according to the present invention having the above-

The raw material introduced into the supply part 32 of the bottom body 30 is dispersed and crushed by the respective rotor fins 41 of the rotor 40 rotated by the drive motor 62,

The fine particles are scattered upward and flow into the inflow portion 51 of the separator 50 and are discharged to the outside through the discharge portion 33 of the bottom body 30 through the passage.

At this time, a separate pumping unit may be provided between the discharge unit 33 and the supply unit 32, and a structure in which the pumping unit is circulated can be realized.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention has been described with reference to the preferred embodiments thereof, Such variations and modifications are to be construed as being within the scope of protection of the present invention.

10: Case
11: space part 12: open part
20: Top Body
30: Bottom body
31: accommodating portion 32: supplying portion
321: Top flange 322: Cylindrical body
323: Bottom flange 324: Corresponding distribution section
324a: Top hole 324b: Bottom hole
324c: Middle hole 325: Valve means
325a: Top spring 325b: Top ball
325c: bottom spring 325d: bottom ball
325e: boss member 325e1: through hole
325e2: tool insertion portion 33:
34: Distribution section 35:
40: Rotor
41: Rotor pin
50: Separator
51:
60: drive unit
61: drive pulley 62: drive motor
63: shaft 64: driven pulley
65: drive belt

Claims (3)

A case 10 including an inner space portion 11 and an opening portion 12 opened at a front upper side so as to be connected to the space portion 11;
A top body 20 disposed on a front upper side of the case 10;
The upper body 20 includes an inner receiving portion 31, a lower raw material supplying portion 32 connected to the receiving portion 31, and an upper particle discharging portion 33 connected to the receiving portion 31, A bottom body 30 mounted on a lower portion thereof;
A rotor 40 arranged on the lower side of the accommodating portion 31 of the bottom body 30 and for dispersing and crushing the raw material;
A separator 50 disposed at an upper side of the receiving portion 31 of the bottom body 30 for discharging only fine particles having a predetermined particle size or less crushed by the rotor 40 to the discharge portion 33; ); And
A drive motor 62 disposed in the space portion 11 of the case 10 and having a drive pulley 61, a drive motor 62 installed in the top and bottom bodies 20 and 30 for rotation, A shaft 63 to which the separator 50 and the rotor 40 are coupled, a driven pulley 64 coupled to an upper end of the shaft 63, A drive unit 60 for connecting the separator 50 and the rotor 40 to each other and rotating the separator 50 and the rotor 40 by connecting the drive belt 65 passing through the open portion 12 of the case 10;
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The bottom portion 30 of the bottom body 30 is formed with a flow portion 34 vertically passing through the center of the bottom of the receiving portion 31,
An annular step portion 35 is formed at the upper end of the flow portion 34,
The supply part 32 of the bottom body 30 includes a top flange 321 coupled to a bottom surface of the bottom body 30, a cylindrical body 322 formed under the top flange 321, A bottom flange 323 formed at a lower portion of the cylindrical body 322 and a corresponding flow passage portion 323 vertically penetrating the top and bottom flanges 321 and 323 and the cylindrical body 322 and communicating with the flow portion 34 324), and valve means (325) for opening or shutting off the supply of the raw material passing through the corresponding distribution portion (324)
The corresponding flow distributing unit 324 includes an upper top hole 324a and a lower bottom hole 324b and a middle hole 324c connecting the top hole 324a and the bottom hole 324b, The holes 324a and 324b have the same diameter and the middle hole 324c has a smaller diameter than the top and bottom holes 324a and 324b,
The valve means 325 includes a top spring 325a that is received in the flow portion 34 so as to be supported by the step portion 35 and a top spring 325b that is accommodated in the top hole 324a of the corresponding flow portion 324, A spherical top ball 325b resiliently supported by the upper hole 325a and closely attached to the periphery of the upper portion of the middle hole 324c and a spherical top ball 325b received in the bottom hole 324b of the corresponding flow portion 324, A spherical bottom ball 325d housed in the bottom hole 324b of the corresponding flow distributing portion 324 and elastically supported by the bottom spring 325c, A boss member 325e having upper and lower through holes 325e1 and inserted into the lower portion of the bottom hole 324b of the corresponding flow distributing portion 324 so that the bottom ball 325d is in close contact with the periphery of the upper portion of the through hole 325e1, Lt; / RTI >
The top and bottom balls 325b and 325d are pressed upward by the pressurizing pressure of the raw material passing through the through hole 325e1 of the boss member 325e so that the raw material to the bottom body 30 accommodating portion 31 side The feed path for feeding is opened,
The boss member 325e of the valve means 325 is formed with a tool insertion portion 325e2 on the lower surface thereof,
Wherein an O-ring insertion part (321a, 323a) is formed on the upper surface of the top flange (321) of the supply part (32) and the lower surface of the bottom flange (323) of the bottom body (30) Dispersing mill with valve structure. delete delete

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