KR101757624B1 - Dry Vertical Mixer - Google Patents

Abstract

The present invention relates to a dry type vertical mixer for mixing two or more kinds of powders,
A frame having a receiving space portion therein;
A drive unit including a drive pulley and a driven pulley which are disposed to be spaced apart from each other in a housing space of the frame, and a belt that connects the drive pulley and the driven pulley;
A main motor installed above the frame to be connected to the drive pulley;
A mixing tank provided on the upper side of the frame so as to be disposed on the upper side of the driven pulley and having a mixing space formed therein and an insertion hole penetrating through the middle when the mixing chamber communicates with the mixing space;
A shaft whose lower end is engaged with the driven pulley and whose upper end passes through the insertion hole of the mixing tank and is disposed below the mixing space;
A sub motor provided above the mixing tank;
A bottom impeller coupled to an upper end of the shaft so as to be disposed below the mixing space and having at least two bottom blades adjacent to a bottom of the mixing space;
A middle impeller coupled to an upper end of the shaft so as to be disposed on the upper side of the bottom impeller and having at least two middle blades spaced upward from the bottom blade; And
And a top impeller connected to the sub motor so as to be disposed above the mixing space.
The dry type vertical mixer according to the present invention is characterized in that the bottom impeller sprays powder falling on the bottom of the mixing space, disperses and mixes powder scattered by the middle impeller, and mixes the powder scattered to the top of the mixing space with the top impeller Thus, it is possible to uniformly mix the powders put into the mixing space portion.

Description

[0001] Dry vertical mixer [0002]

The present invention relates to a dry vertical mixer for mixing two or more kinds of powders.

A technique related to a dry vertical type mixer is disclosed in Korean Patent Registration No. 10-1085168 (registered on November 14, 2011, hereinafter referred to as "prior art") as "a mixer including a Henkel mixer having a drying function".

The prior art

"In a mixer in which a powder in which fine particles of powdery or particulate state are formed is charged and mixed,

An agitating barrel having a jacket for performing a heating function and a cooling function on an outer peripheral surface thereof;

The stirring barrel is configured to move from the inside to the outside of the stirring barrel when the upper lid formed at one side of the upper part of the stirring barrel is lifted up and the inside of the stirring barrel is kept in a vacuum state and the vaporized vapor is recovered A B bag filter connected to the vacuum generator; And

And a stirring blade which is formed at the lower portion of the stirring bar and stirs the powder in which the added fine particles are formed.

It is possible to shorten the mixing, drying and surface treatment process time, and to reduce the manufacturing cost.

[Patent Document 1] Korean Registered Patent No. 10-1085168 (Registered on November 14, 2011)

It is an object of the present invention to provide a dry type vertical mixer capable of mixing two or more kinds of powder or particles more uniformly.

According to an aspect of the present invention, there is provided a dry type vertical mixer,

A frame having a receiving space portion therein;

A drive unit including a drive pulley and a driven pulley which are disposed to be spaced apart from each other in a housing space of the frame, and a belt that connects the drive pulley and the driven pulley;

A main motor installed above the frame to be connected to the drive pulley;

A mixing tank provided on the upper side of the frame so as to be disposed on the upper side of the driven pulley and having a mixing space formed therein and an insertion hole penetrating through the middle when the mixing chamber communicates with the mixing space;

A shaft whose lower end is engaged with the driven pulley and whose upper end passes through the insertion hole of the mixing tank and is disposed below the mixing space;

A sub motor provided above the mixing tank;

A bottom impeller coupled to an upper end of the shaft so as to be disposed below the mixing space and having at least two bottom blades adjacent to a bottom of the mixing space;

A middle impeller coupled to an upper end of the shaft so as to be disposed on the upper side of the bottom impeller and having at least two middle blades spaced upward from the bottom blade; And

And a top impeller connected to the sub motor to be disposed at an upper portion of the mixing space part.

The dry type vertical mixer according to the present invention is characterized in that the bottom impeller sprays powder falling on the bottom of the mixing space, disperses and mixes the powder scattered by the middle impeller, and mixes the powder scattered to the top of the mixing space with the top impeller Thus, it is possible to uniformly mix the powders put into the mixing space portion.

1 is a front view of a dry type vertical mixer according to an embodiment of the present invention;
2 is a side view of a dry type vertical mixer according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the upper end of the shaft and the bottom impeller and the middle impeller coupled thereto in FIG. 2; FIG.
FIG. 4 is a cross-sectional view of the shaft of FIG. 2 taken along the center line of FIG. 2 and a bearing housing and a supporter surrounding the shaft.
5 is a front sectional view and a top view of a bottom impeller.
6 is a front sectional view and a plan view of a middle impeller;

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

6 and 7, the dry type vertical mixer according to the embodiment of the present invention mainly includes a frame 100, a transmission unit 200, a main motor 300, a mixing tank 400, A shaft 500, a sub motor 600, a bottom impeller 700, a middle impeller 800, and a top impeller 900.

The frame 100 is formed in a substantially rectangular box shape as shown in FIGS. 1 and 2, and a receiving space 110 in which the electromotive unit 200 is disposed is formed therein.

The electromotive unit 200 includes a driving pulley 210 and a driven pulley 220 spaced apart from each other in the receiving space 110 of the frame 100 and a driving pulley 210 And a belt 230 connecting the driven pulley 220 to the driven pulley 220.

The main motor 300 is installed on the upper side of the frame 100 to be connected to the driving pulley 210 of the electric unit 200 as shown in FIG.

The mixing tank 400 is installed on the upper side of the frame 100 so as to be disposed on the upper side of the driven pulley 220 of the electric power unit 200 as shown in FIG. 1 and FIG. 2.

A mixing space 411 for mixing powder is formed in the mixing tank 400 and an insertion hole 412 which penetrates the mixing space 411 to communicate with the mixing space 411 as shown in FIG. Is formed.

3, an upper air inlet 415 penetrating the insertion hole 412 is formed on the lower surface of the mixing tank 400. [ The upper air inlet 415 has a structure in which a lower end portion is located at the periphery of the insertion hole 412 and an upper end portion is inclinedly extended to communicate with the insertion hole 412. The lower end of the upper air inlet 415 is connected to the air compressor by a pneumatic fitting and a hose.

The compressed air supplied to the upper air inlet 415 is discharged to the space between the inner circumferential surface of the insertion hole 412 and the shaft 500 so that the powder charged into the mixing space 411 is discharged from the inner peripheral surface of the insertion hole 412, (500).

As shown in FIGS. 1 and 2, the mixing tank 400 includes a body 410 having the mixing space portion 411 opened upward and the insertion hole 412, a body 410 having the insertion hole 412, A cover 420 covering the upper surface of the body 410 and a water jacket 430 configured to surround the body 410 to cool the mixing tank 400 heated by the mixing operation of the powder.

The cover 420 is rotatably coupled to the body 410 by a hinge at one side and detachably coupled to the body 410 by a toggle clamp so that the cover 420 is openably and closably coupled to the upper end of the body 410. [ do. An inlet 421 is formed on the upper surface of the cover 420 to communicate with the mixing space 411. At least two inlet ports 421 are formed to allow different kinds of powders to be introduced into the mixing space part 411.

A discharge port (413) for discharging the mixed powder is formed on one side of the lower end of the body (410). The discharge port 413 penetrates through the water jacket 430 and protrudes to the outside and an opening and closing unit A00 for opening and closing the discharge port 413 is coupled to the outwardly projecting end by the operation of the cylinder A10.

The lower end of the shaft 500 is engaged with the driven pulley 220 of the electromotive unit 200 and the upper end of the shaft 500 is disposed below the mixing space portion 410 through the insertion hole 412 of the mixing tank 400.

As a result, the shaft 500 is connected to the main motor 300 by the electric motor unit 200 and is rotated.

Meanwhile, in order that the shaft 500 can be rotatably installed,

As shown in FIG. 4,

A top bearing B00 and a bottom bearing C00 are vertically spaced from each other and mounted on the center of the shaft 500,

A bearing housing D00 coupled to the top bearing B00 and the bottom bearing C00 is coupled to the outside of the shaft 500,

At the upper end of the frame 100, a supporter E00 surrounding the bearing housing D00 is coupled.

The supporter E00 is formed in a substantially cylindrical shape and inserted through the upper surface of the frame 100 in a structure. A flange protruding along the circumference is formed at the center of the outer circumferential surface of the supporter E00, and the flange is placed on the upper surface of the frame 100 and coupled with the frame 100. [

The bearing housing D00 is formed in a substantially cylindrical shape and is inserted into the inside of the supporter E00. A flange protruding along the periphery is formed on the upper end of the outer circumference of the bearing housing D00, and the flange is mounted on the upper surface of the supporter E00 and coupled with the supporter E00.

As shown in the figure, an outer air supply hole S1 is formed between the bearing housing D00 and the supporter E00, an inner air supply hole S2 is formed between the shaft 500 and the bearing housing D00, And a supporter E00 is formed with a lower air inlet E10 penetrating the outer air vent hole S1 so that the bearing housing D00 is provided with an outer air hole S1 and an inner air hole S2 are connected to each other.

The outer air space S1 is formed such that the upper end of the bearing housing D00 and the upper end of the supporter E00 are in close contact with each other and the lower end of the bearing housing D00 and the lower end of the supporter E00 are in close contact with each other, And has a downwardly sealed structure.

The lower air inlet E10 is connected to the air compressor by a pneumatic fitting and a hose.

As a result, the compressed air supplied to the lower air inlet E10 is supplied to the inner air supply hole S2 through the outer air supply hole S1 and the air flow path D10. The compressed air supplied to the inner coolant passage S2 passes through the top bearing B00 and the bottom bearing C00 and is discharged to the upper side and the lower side of the bearing housing D00 so that the powder discharged from the mixing tank 400 Thereby preventing foreign matter from entering the top bearing B00 or the bottom bearing C00.

The sub motor 600 is installed on the upper side of the mixing tank 400 such that the rotary shaft is directed downward as shown in FIG.

The bottom impeller 700 is coupled to the upper end of the shaft 500 so as to be disposed below the mixing space portion 411 of the mixing tank 400,

As shown in FIGS. 3 and 5,

A bottom boss 720 fitted in the shaft 500; And

And at least two bottom blades (710) formed outside the bottom boss (720).

Here, the bottom blade 710 is arranged close to the bottom of the mixing space part 411, so that the powder caught on the bottom of the mixing space part 411 is scattered upward when the bottom impeller 700 rotates.

3, a rounded portion 414 is formed at the bottom edge of the mixing space 411 and a corresponding shape corresponding to the rounded portion 414 is formed at the end of the bottom blade 710. [ A rounding portion 711 is formed.

According to this structure, the bottom area of the mixing space part 411 facing the bottom blade 710 during rotation of the bottom impeller 700 is maximized, so that the powder falling on the bottom of the mixing space part 411 smoothly flows .

The middle impeller 800 is coupled to the upper end of the shaft 500 to be disposed on the upper side of the bottom impeller 700,

As shown in FIGS. 3 and 6,

A middle boss 820 fitted in the shaft 500;

A rim 830 formed outside the middle boss 820;

A spoke 840 connecting the middle boss 820 and the rim 830; And

And at least two middle blades 810 protruding from the outer circumferential surface of the rim 830 so as to be spaced apart above the bottom blade 710.

The rim 830 is annular and is arranged so that the middle boss 820 is centered by the spokes 840. Preferably, at least three spokes 840 are radially arranged about the middle boss 820.

As a result, the middle impeller 800 disperses and mixes the powder scattered by the bottom impeller 700 while rotating on the bottom impeller 700.

Here, the middle blade 810 is formed to protrude upward from the outer peripheral surface of the rim 830 in an inclined manner. The area of the middle blade 810 occupying in the mixing space portion 411 can be increased and the middle blade 810 can be arranged in the mixing space portion 411 to occupy a space in the up and down direction, 800) of the powder is increased.

The top impeller 900 is connected to the sub motor 600 so as to be disposed above the mixing space 411,

As shown in FIG. 2,

A rotating shaft 920 installed to penetrate the upper surface of the mixing tank 400 and having an upper end coupled to the sub motor 600 and a lower portion disposed at an upper portion of the mixing space 411; And

And two or more top blades 910 formed on the lower outer circumferential surface of the rotary shaft 920 so as to be disposed on the upper part of the mixing space part 411.

Here, each of the top blades 910 is formed in a vertically elongated plate shape and is arranged radially around the rotation axis 920.

The top blade 910 is rotated by the sub motor 600 at the upper portion of the mixing space 411 and the top blade 910 is rotated by the bottom impeller 700 and the middle impeller 800, The powder scattered by the powder is again blown and mixed.

In the dry type vertical mixer of the present invention having the above-described structure, the bottom impeller 700 disperses powder falling on the bottom of the mixing space part 411 and disperses and mixes powders scattered by the middle impeller 800 And the powder dispersed to the upper part of the mixing space part 411 is mixed again by the top impeller 900 so that the powder introduced into the mixing space part 411 can be uniformly mixed.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but variations and modifications may be made without departing from the spirit and scope of the present invention as defined by the appended claims. And should be construed as falling within the scope of protection of the invention.

100: frame
110:
200: Power unit
210: drive pulley 220: driven pulley
230: belt
300: Main motor
400: mixing tank
410: Body
411: mixing space part 412: insertion hole
413: outlet 414: rounding part
415: Upper air inlet
420: cover
421:
430: Water jacket
500: Shaft
600: Servomotor
700: Bottom impeller
710: bottom blade
711: Corresponding rounding unit
720: Bottom boss
800: Middle impeller
810: Middle Blade 820: Middle Boss
830: rim 840: spoke
900: Top impeller
910: Top blade 920:
A00: opening / closing unit
A10: Cylinder
B00: Top bearing
C00: Bottom bearing
D00: Bearing housing
D10: Air distribution channel
E00: Supporter
E10: Lower air inlet
S1: Outside pneumatic punch
S2: Inner air vent hole

Claims (6)

A frame 100 having a receiving space portion 110 therein;
A drive pulley 210 and a driven pulley 220 spaced apart from each other in the housing space 110 of the frame 100 and a belt 230 connecting the drive pulley 210 and the driven pulley 220 (200);
A main motor 300 installed above the frame 100 to be connected to the drive pulley 210;
A mixing space part 411 formed on the upper side of the frame 100 so as to be disposed on the upper side of the driven pulley 220 and formed inside the mixing space part 411, A mixing tank 400 having an inlet 412;
A shaft 500 whose lower end is engaged with the driven pulley 220 and whose upper end passes through the insertion hole 412 of the mixing tank 400 and is disposed below the mixing space 411;
A sub motor 600 installed above the mixing tank 400;
A bottom impeller 700 coupled to an upper end of the shaft 500 to be disposed below the mixing space 411 and having at least two bottom blades 710 close to the bottom of the mixing space 411;
A middle impeller 800 coupled to an upper end of the shaft 500 to be disposed on the upper side of the bottom impeller 700 and having at least two middle blades 810 spaced upward from the bottom blade 710;
A top impeller (900) connected to the sub motor (600) so as to be disposed above the mixing space part (411);
A top bearing B00 and a bottom bearing C00 mounted so as to be vertically spaced apart from each other at the center of the shaft 500;
A bearing housing D00 surrounding the top bearing B00 and the bottom bearing C00; And
And a supporter E00 coupled to an upper end of the frame 100 to surround the bearing housing D00,
An outer air hole (S1) is formed between the bearing housing (D00) and the supporter (E00)
An inner air hole (S2) is formed between the shaft (500) and the bearing housing (D00)
The supporter E00 is provided with a lower air inlet E10 which communicates with the outer air supply hole S1,
Wherein the bearing housing (D00) is provided with an air flow path (D10) connecting the outer air hole (S1) and the inner air hole (S2).
The method according to claim 1,
A rounded portion 414 is formed at a lower edge of the mixing space portion 411,
And a corresponding rounding portion (711) having a shape corresponding to the rounding portion (414) is formed at an end of the bottom blade (710).
The method according to claim 1,
The middle impeller 800 includes a middle boss 820 fitted to the shaft 500, a rim 830 formed outside the middle boss 820, and a rim 830 connected to the middle boss 820 and the rim 830 And a middle blade (810) protruding from an outer circumferential surface of the rim (830).
The method of claim 3,
Wherein the middle blade (810) is protruded upwardly from an outer circumferential surface of the rim (830).
The method according to claim 1,
Wherein an upper air inlet (415) penetrating through the insertion hole (412) is formed on the lower surface of the mixing tank (400).
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