KR20170001096A - Planarizing apparatus for powdered material - Google Patents

Planarizing apparatus for powdered material Download PDF

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Publication number
KR20170001096A
KR20170001096A KR1020150090575A KR20150090575A KR20170001096A KR 20170001096 A KR20170001096 A KR 20170001096A KR 1020150090575 A KR1020150090575 A KR 1020150090575A KR 20150090575 A KR20150090575 A KR 20150090575A KR 20170001096 A KR20170001096 A KR 20170001096A
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KR
South Korea
Prior art keywords
flattening
sliding means
sliding
powder material
inclined portion
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KR1020150090575A
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Korean (ko)
Inventor
김현철
윤진호
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오씨아이 주식회사
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Priority to KR1020150090575A priority Critical patent/KR20170001096A/en
Publication of KR20170001096A publication Critical patent/KR20170001096A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

The present invention relates to a flattening device for a powder material, which comprises a sliding means, a first flatting means and a second flatting means, and is capable of entirely flattening the filled powder material charged into the material receiving cylinder, The manufacturing cost can be reduced and the quality and quality of the product can be improved by uniformizing the size and thickness of the product using the powder material.

Description

[0001] PLANARIZING APPARATUS FOR POWDERED MATERIAL [0002]

The present invention relates to a planarizing apparatus for powder material, and more particularly, to an automatic planarization apparatus for planarizing a powder material, which is capable of flattening a powder material filled in the material container and filling the powder material, The present invention also relates to a flattening device for a powder material which can improve production quality by uniformizing the size and thickness of a product using a powder material.

Vacuum insulation is a high-performance insulation material compared to general insulation.

The vacuum insulator is generally composed of an insulating molded body made of an inorganic material and a gas barrier film wrapping the insulating molded body, and the inside of the molded insulating body is made into a vacuum. At this time, an adiabatic formed body filling the inside of the vacuum insulator is called a core and is mostly made of a powder compact containing glass fiber compacts or silica powders.

Conventionally, when a core material is produced from a powder compact, a certain amount of powder material is charged into a rectangular metal frame (for example, aluminum) and pressurized to produce a core material in the form of a plate.

However, the portion of the powder material which is input when the powder material is introduced continues to rise to form a peak, and the height becomes lower as the distance from the peak becomes higher.

Therefore, a need has arisen for a planarizing device to ensure that the powder material is filled at a constant height.

Korean Patent No. 10-1235635 Korean Patent No. 10-1497565 Korean Patent No. 10-1513081

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a planarization apparatus for a powder material capable of entirely flattening a filled powder material charged in a material receiving container.

Another object of the present invention is to provide a planarization apparatus for a powder material capable of reducing manufacturing cost by an automated system for preventing powder material from scattering.

Another object of the present invention is to provide a planarization apparatus for a powder material capable of improving production quality by uniformizing the size and thickness of a product using the powder material.

This object is achieved according to the invention by a sliding device comprising: a sliding means; A first flattening means connected to the sliding means for pushing the powder material filled in the material receiving cylinder in accordance with the first operation of the sliding means to planarize in one direction; And second flat means connected to the sliding means and moved according to a first movement of the sliding means and for pushing the powder material in the other direction according to a second movement of the sliding means to planarize; And a flattening device for the powder material.

Here, it is preferable that the second flatting means is located higher than the first flatting means in the first operation of the sliding means, and is positioned lower than the first flatting means in the second operation of the sliding means.

Here, it is preferable that the sliding means is slidably operated along one side of the material receiving cylinder.

Here, the first flattening unit may include: a first elevating member mounted on the sliding unit and operated to move up and down; And a first flat plate member connected to the first lifting member to cross the material receiving bin and having a first inclined portion formed at an end of the material receiving container so as to be inclined with respect to a bottom surface of the material receiving bin; .

Here, the second flatting means may include: a second lifting member including a lifting rod housing mounted on the first flatting means, and a lifting rod provided on the lifting rod housing; And a second flat plate connected to the elevating bar and having a second inclined portion formed at an end of the material receiving container so as to be inclined with respect to a bottom surface of the material receiving container; .

Here, the first inclined portion may be formed so as to be inclined so as to face the opposite direction to the first operating direction of the sliding means, and the second inclined portion may be inclined to be opposite to the second operating direction of the sliding means .

According to another aspect of the present invention, there is provided a method of manufacturing a semiconductor device, comprising the steps of: preparing a first planarization means connected to a sliding means, the first planarization means being moved downward in an inward direction of a material accommodating cylinder filled with a powder material; A first operation step of causing the first planarizing means to flatten the powder material in one direction by a first operation of the sliding means; A first flattening step of stopping the first operation of the sliding means; A second flattening preparing step in which the first flatting means is moved up and the second flattening means connected to the sliding means and moved in accordance with the first movement of the sliding means is moved downward inward of the material receiving cylinder; A second operation step of causing the second flat means to planarize the powder material in the other direction by a second operation of the sliding means; A second flattening step of stopping the second operation of the sliding means; And a flattening completion step of moving the second flattening means upward; Of the powder material.

Here, after the flattening completion step, the first flattening preparation step in which the first flattening means is operated to be lowered is performed, or the first flattening means and the second flattening means are elevated to be separated from the material receiving cylinder It is preferable that the releasing step be performed.

Here, it is preferable that the second flatting means is positioned higher than the first flatting means in the first operation of the sliding means, and is raised and lowered so as to be positioned lower than the first flatting means in the second operation of the sliding means.

Here, in the first flattening step, it is preferable that the first operation of the sliding means is stopped when the second flat means is close to the inner wall of the material receiving cylinder.

Here, in the second flattening step, the second action of the sliding means is preferably stopped when the first flat means comes close to the inner wall of the material receiving cylinder.

Here, in the first operation step and the second operation step, the sliding means is preferably slidably operated along one side of the material receiving cylinder.

Here, the first flattening unit may include: a first elevating member mounted on the sliding unit and operated to move up and down; And a first flat plate member connected to the first lifting member to cross the material receiving bin and having a first inclined portion formed at an end of the material receiving container so as to be inclined with respect to a bottom surface of the material receiving bin; .

Here, the second flatting means may include: a second lifting member including a lifting rod housing mounted on the first flatting means, and a lifting rod provided on the lifting rod housing; And a second flat plate connected to the elevating bar and having a second inclined portion formed at an end of the material receiving container so as to be inclined with respect to a bottom surface of the material receiving container; .

Here, the first inclined portion may be formed so as to be inclined so as to face the opposite direction to the first operating direction of the sliding means, and the second inclined portion may be inclined to be opposite to the second operating direction of the sliding means .

Preferably, in the first planarization preparing step, the first flatting means is moved downward close to the inner wall of the material receiving cylinder.

According to the present invention, there is provided a planarization apparatus for a powder material capable of entirely flattening a powder material charged into a material storage cylinder and filled.

In addition, the manufacturing cost can be reduced by an automated system that prevents the powder material from scattering.

In addition, it is possible to improve the production quality by uniformizing the standard and the thickness of the product using the powder material.

FIG. 1 is a perspective view showing an overall shape of a planarizing apparatus for a powder material according to an embodiment of the present invention;
FIG. 2 is a perspective view showing an operating state of the second flat means in the planarization apparatus of the powder material shown in FIG. 1;
3 is a flowchart showing a planarization procedure of a planarization apparatus for a powder material according to an embodiment of the present invention,
4 to 10 are use state diagrams showing the state of use of the planarization apparatus for a powder material according to an embodiment of the present invention.

Hereinafter, a planarization apparatus for a powder material according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an overall shape of a powder material flattening apparatus according to an embodiment of the present invention, and FIG. 2 is a perspective view showing an operating state of a second flattening means of the powder material flattening apparatus shown in FIG.

1 and 2, the planarization apparatus 10 of a powder material according to an embodiment of the present invention mainly includes a sliding means 100, a first planar means 200 and a second planar means 300, .

The sliding means 100 is a sliding element operated along one side of the material receiving cylinder 20 and comprises a body 110 and a guide 120. The body 110 is connected to the first flatting means 200 described below and the guide 120 is a kind of guide member that is mounted on the body 110 and slidably guided along one side of the material receiving cylinder 20 It acts as a rail. A stepping motor, a piston cylinder mechanism, a solenoid, or the like may be used as a driving device for driving the body 110 to be slidably mounted on the guide 120. Here, the material receiving bin 20 is formed in a substantially rectangular shape so that the upper surface thereof is opened so that the powder material 30 can be filled. The sliding means 100 may operate along both the circumferential surfaces of the material receiving tube 20 but in this specification the sliding means 100 is arranged to move forward and backward in a straight line along one side of the material receiving tube 20. [ A sliding reciprocating operation will be described as an example.

When the material receiving barrel 20 is formed into a circular shape or an elliptic shape, the sliding means 100 can be formed along the periphery of the material receiving bin 20 It will be circular or elliptical. The powder material 30 may be filled in the material storage box 20, but any material in powder form may be used for the powder material 30 used in the present invention. Here, in the case of manufacturing the core material of the vacuum insulation material The use of fumed silica is used as an example. Fumed silica is anhydrous silicic acid, which is an amorphous silicon dioxide which is a very light powder of white color and is used in various fields. In particular, since the coefficient of thermal conductivity of the gas is almost zero, the core material production of vacuum insulation It is also a material used for. Such fumed silica can be prepared by a suitable method, for example, by producing silicon fumed silica (silicon tetrachloride), oxygen and hydrogen at a temperature close to 1000 ° C. to produce a high purity fumed silica together with hydrogen chloride Can be used. On the other hand, the material receiving cylinder 20 may be a kind of container that is simply filled with the powder material 30, but it may be a frame for manufacturing the core material of the plate-shaped vacuum insulator, for example, a metal material frame such as aluminum.

The first flatting means 200 is connected to the sliding means 100 and is provided with a powder material 30 which is filled in the material receiving container 20 at a predetermined height or more in accordance with the first operation of the sliding means 100, ) In a direction in which the sliding means 100 advances. The first flattening means 200 used in the present invention includes a first elevating member 210 and a first flat plate member 220. The first elevating member 210 is a bar that is mounted on the sliding means 100 and is moved up and down in the inward and outward directions of the material receiving cylinder 20, And is moved up and down along the height direction. The first flat plate member 220 is connected to the first lifting member 210 so as to traverse the material receiving bin 20 and is formed at an end of the first flat plate 220 so as to be inclined with respect to the bottom surface of the material receiving bin 20, And has a first inclined portion 222 for planarizing. At this time, the first inclined portion 222 formed at the end of the first planar plate 220 is formed to be inclined so as to face the first direction of the sliding means 100, for example, the direction opposite to the advancing direction.

The second flatting means 300 is connected to the sliding means 100 in the same manner as the first flatting means 200 and is moved in accordance with the first movement of the sliding means 100 and the second operation of the sliding means 100, And pushing the powder material filled in the material storage box 20 at a height above the predetermined height in the backward direction of the sliding means 100 in accordance with the backward movement. The second flatting means 300 is coupled to the first elevating member 210 separately from the first flattening means 200 and in particular to the first flat plate 220. For example, (Not shown) mounted on the sliding means 100 separately from the first elevating member 210 to operate the first elevating member 210 and the second elevating member The second flatness means 300 is disposed on the first flatness means 200 in this specification. The second flatting means 300 includes a second elevating member 310 and a second flat plate 320. The second lifting member 310 includes a lifting rod housing 312 mounted on the first flatting means 200 and a lifting rod 314 provided on the lifting rod housing 312 to be lifted and lowered. The second flat plate 320 is connected to the elevating bar 314 and is raised and lowered and formed at an end of the second flat plate 320 so as to be inclined with respect to the bottom surface of the material accommodating barrel 20 so as to be substantially inclined with respect to the first inclined portion 222, And a second inclined portion 322 for planarizing the first inclined portion 30. Here, the second inclined portion 322 is formed so as to face the second operating direction of the sliding means 100, for example, the opposite direction to the backward direction, that is, the direction opposite to the inclined direction of the first inclined portion 222 .

The second inclined portion 322 of the second planar means 300 and in particular the second planar plate 320 may be moved in the first direction of the sliding means 100 so as not to interfere with the operation of the first planar means 200, The powder material 30 may be positioned higher than the first inclined portion 222 that pushes the powder material 30 in the advancing direction of the body 110 of the sliding means 100 during planarization, The first slope part 222 is positioned lower than the first slope part 222 in the backward movement of the sliding member 100 so as to flatten the powder material 30 in a direction in which the body 110 of the sliding member 100 moves backward.

Hereinafter, the operation of the planarization apparatus for a powder material according to an embodiment of the present invention will be described.

FIG. 3 is a flowchart illustrating a planarization procedure of a planarization apparatus for a powder material according to an embodiment of the present invention, and FIGS. 4 to 10 are diagrams illustrating a state of use of a planarization apparatus for a powder material according to an embodiment of the present invention to be.

4, the powder material 30 to be filled in the material receiving bin 20 is fed in an oblique direction or a vertical direction so that the powder material 30 does not interfere with the input of the powder material 30 into the material receiving container. (10) is located apart from the material receiving cylinder (20).

5, the flattening device 10 for a powder material according to an embodiment of the present invention may be used as a material receiving container 20 for flattening the powder material 30 filled in the material receiving container 20, That is, the body 110 is moved toward the material receiving bin 20 along the guide 120. [0064] Of course, the material accommodating cylinder 20 filled with the powder material 30 beforehand may be carried to the planarizing device 10 side. Then, the first elevating member 210 is lowered (the first planarization preparing step, S10). At this time, the first elevating member 210 is lowered in a state where the first inclined portion 222 of the first flatting means 200, particularly the first flat plate 220, is as close as possible to the inner wall of the material receiving cylinder 20 So that the planarization of the powder material 30 can be maximized within a short time. Thus, the state shown in FIG. 5 and the state shown in FIG. 1 are very similar.

The first operation of the sliding means 100 is performed as shown in Fig. 6, with the first ramp portion 222 lowered to a level at which the powder material 30 can be planarized (a first operation step S20 ). That is, the body 110 of the sliding means 100 advances in the right direction in the drawing along one side of the material receiving bin 20, whereby the powder material (for example, 30 are flattened while being pushed by the first inclined portion 222 which is inclined in the opposite direction to the advancing direction of the body 110. At this time, the second inclined portion 322 of the second planar means 300, in particular the second planar plate 320, is positioned between the first planar means 200, in particular the first inclined portion 222 of the first planar plate 220 ). ≪ / RTI > The advancing operation of the body 110 is continued until the second inclined portion 322 of the second planar plate 320 reaches the state of being as close as possible to the inner wall of the material receiving cylinder 20 (A first leveling step, S30). At this time, unflattened powdery material 30 is gathered between the second inclined portion 322 of the second flat plate 320 and the first inclined portion 222 of the first flat plate 220.

In this state, as shown in FIG. 7, the first planarization means 200 rises and the second planarization means 300 descends (second planarization preparation step, S40). In other words, the first inclined portion 222 of the first planar plate 220 is lifted up from the powder material 30 in accordance with the operation of the first elevating member 210, The second flat plate member 320 descends due to the descent of the second elevating member 310 disposed on the first flat plate member 220 and particularly the elevating bar 314 provided on the elevating bar housing 312 . At this time, the elevating bar 314 is lowered so that the second inclined portion 322 of the second flat plate 320 is positioned lower than the first inclined portion 222 of the first flat plate 220. The state of the planarization apparatus 10 shown in Fig. 7 is almost similar to that of Fig.

8 shows a state in which the first flat plate member 220 and the second flat plate member 320 descend according to the operation of the first flat plate 200, in particular, the first elevation member 210. As shown in FIG. At this time, it is preferable that the second inclined portion 322 is lowered in the state of being as close as possible to the inner wall of the material receiving bin 20 so that the flattening of the powder material 30 can be maximized, and the second inclined portion 322 The powder material 30 is lowered to a level at which the powder material 30 can be flattened. Thus, in the second planarization preparation step S40, the first planarization means 200 is moved up, the second planarization means 300 is moved downward, and the first planarization means 300 is moved downward again. In addition, the second planarization preparation step S40 may be performed by raising the first flatting means 300 and lowering the second flattening means. In this case, as the first planarizing means 200 is elevated, the second flattening means 300, particularly the elevating bar 314, is lowered to a height at which the second inclined portion 322 can flatten the powder material 30 So that it can be operated at a desired length.

Then, the second operation of the sliding means 100 is performed as shown in Fig. 9 (second operation step, S50). In other words, the body 110 of the sliding means 100 is moved backward in the left-hand direction in the drawing along one side of the material receiving cylinder 20. The first inclined portion 222 and the second inclined portion 222 inclined in opposite directions to the advancing direction of the body 110 in a state where the first inclined portion 222 is positioned higher than the second inclined portion 322, The powder material 30 gathered between the inclined portions 322 is flattened.

10, the second operation of the sliding means 100 is stopped (second flattening step, S60) at a position where the first inclined portion 222 is close to the inner wall of the material storage bin 20, The second inclined portion 322 of the second flat plate 320 is positioned at a position higher than the first inclined portion 222 (planarization completion step S70). At this time, if the flattening of the powder material 30 is sufficiently performed, the first elevating member 210 also operates to move up the first flattening means 200 and to leave (release step S80) from the material receiving bin 20, When the flattening process for the receptacle 20 is completely completed and a more flattening process is to be performed according to the state of the powder material 30, as in FIG. 4, the first flattening means 200, The first operation step S20 as shown in Figs. 6 to 10, the first planarization step S10, and the second planarization step S20, The second planarization preparation step S40, the second operation step S50, the second planarization step S60 and the flattening completion step S70 are repeatedly performed.

As described above, the flattening device 10 for a powder material according to an embodiment of the present invention includes the powder material 30 adjacent to the inner wall of the material receiving bin 20, and can be flattened as a whole and prevents scattering of the powder material Automated systems can reduce manufacturing costs. Further, it is possible to improve the production quality by uniformizing the product and the thickness of the product using the powder material 30, for example, the core material of the vacuum insulating material. Particularly, it is a useful invention for preventing the breakage of the core material of the vacuum insulation material and exhibiting the heat insulation effect evenly.

Although not shown, a photographing apparatus, for example, a camera is installed so as to check the degree of flattening of the powder material 30, and a worker mounts the material storage bin 20 on the flattening device 20, It may be configured to control whether to perform the flattening operation or to stop the driving of the flattening apparatus 10 to complete the flattening operation.

Further, the first and second operations of the sliding means 100 to control the overall flattening apparatus 10 of the powder material according to the embodiment of the present invention, the upward and downward movements of the first and second flattening means 200, A control device (not shown) including a control program for raising and lowering the flatting means 300 can be used. The control device may be connected to a separate input device (not shown) so that the operator can directly control the flattening device 10 of the powder material according to an embodiment of the present invention. The input device may be provided with various operation switches including a power switch of the flattening device 10 and a configuration for indicating the operation state of various components such as an LED lamp and an LCD display window. Communication, for example RF communication.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

10: planarizing device 20: material receiving container
30: Powder material 100: Sliding means
110: body 120: guide
200: first flattening means 210: first elevating member
220: first flat plate member 222: first inclined portion
300: second flattening means 310: second elevating member
312: wing steel rod housing 314: wing steel rod
320: second flat plate member 322: second inclined portion
S10: first planarization preparation step S20: first operation step
S30: first planarization step S40: second planarization preparation step
S50: second operation step S60: second planarization step
S70: Flattening completion step S80:

Claims (16)

1. A planarizer for a powder material,
Sliding means;
A first flattening means connected to the sliding means for pushing the powder material filled in the material receiving cylinder in accordance with the first operation of the sliding means to planarize in one direction; And
A second flattening means connected to the sliding means to move according to a first movement of the sliding means and to push and flatten the powder material in the other direction according to a second movement of the sliding means;
Wherein the powder material is a powder material. The method according to claim 1,
Wherein the second flattening means comprises:
Is positioned higher than the first planar means in a first operation of the sliding means and is positioned lower than the first planar means in a second operation of the sliding means. 3. The method of claim 2,
Wherein the sliding means comprises:
And sliding along one side of the material receiving cylinder. The method of claim 3,
Wherein the first flatting means comprises:
A first elevating member attached to the sliding means and being moved up and down; And
A first flat plate having a first inclined portion connected to the first elevating member so as to cross the material accommodating barrel and having a first inclined portion formed at an end of the material accommodating barrel so as to be inclined with respect to a bottom surface of the material accommodating barrel;
Wherein the powder material is a powder. 5. The method according to any one of claims 1 to 4,
Wherein the second flattening means comprises:
A second lifting member provided on the lifting rod housing and including a lifting rod that is lifted and lowered; And
A second flat plate connected to the elevating bar and having a second inclined portion formed at an end thereof inclined with respect to a bottom surface of the material receiving container;
Wherein the powder material is a powder. 6. The method of claim 5,
The first inclined portion includes:
The slider is inclined so as to face the opposite direction to the first operating direction of the sliding means,
Wherein the second inclined portion comprises:
Wherein the slider is inclined so as to face the opposite direction to the second operating direction of the sliding means. A method of planarizing a powder material,
A first flattening preparation step in which the first flattening means connected to the sliding means is moved downward in the inward direction of the material accommodating cylinder filled with the powder material;
A first operation step of causing the first planarizing means to flatten the powder material in one direction by a first operation of the sliding means;
A first flattening step of stopping the first operation of the sliding means;
A second flattening preparing step in which the first flatting means is moved up and the second flattening means connected to the sliding means and moved in accordance with the first movement of the sliding means is moved downward inward of the material receiving cylinder;
A second operation step of causing the second flat means to planarize the powder material in the other direction by a second operation of the sliding means;
A second flattening step of stopping the second operation of the sliding means; And
A planarization finishing step in which the second flattening means is moved up;
Of the powder material. 8. The method of claim 7,
After the flattening completion step,
The first planarization preparation step in which the first planarization means is operated to be lowered is performed,
Wherein the separating step is performed so that the first flatting means and the second flatting means are lifted so as to be separated from the material receiving cylinder. 9. The method of claim 8,
Wherein the second flattening means comprises:
Wherein the sliding means is located higher than the first flat means in a first operation of the sliding means and is raised and lowered to be positioned lower than the first flat means in a second operation of the sliding means. 10. The method of claim 9,
In the first planarization step,
Wherein the first operation of the sliding means is stopped when the second flat means is close to the inner wall of the material receiving cylinder. The method of claim 10, wherein
In the second planarization step,
Wherein the second action of the sliding means is stopped when the first planar means is close to the inner wall of the material receiving cylinder. 12. The method of claim 11,
In the first operation step and the second operation step,
Wherein the sliding means is slidably moved along one side of the material receiving cylinder. 13. The method of claim 12,
Wherein the first flatting means comprises:
A first elevating member attached to the sliding means and being moved up and down; And
A first flat plate having a first inclined portion connected to the first elevating member so as to cross the material accommodating barrel and having a first inclined portion formed at an end of the material accommodating barrel so as to be inclined with respect to a bottom surface of the material accommodating barrel;
≪ / RTI > wherein the method comprises the steps of: 14. The method according to any one of claims 7 to 13,
Wherein the second flattening means comprises:
A second lifting member provided on the lifting rod housing and including a lifting rod that is lifted and lowered; And
A second flat plate connected to the elevating bar and having a second inclined portion formed at an end thereof inclined with respect to a bottom surface of the material receiving container;
≪ / RTI > wherein the method comprises the steps of: 15. The method of claim 14,
The first inclined portion includes:
The slider is inclined so as to face the opposite direction to the first operating direction of the sliding means,
Wherein the second inclined portion comprises:
Wherein the slider is inclined so as to face the opposite direction to the second operating direction of the sliding means. 16. The method of claim 15,
In the first planarization preparation step,
Wherein the first flattening means is moved downward close to the inner wall of the material receiving cylinder.
KR1020150090575A 2015-06-25 2015-06-25 Planarizing apparatus for powdered material KR20170001096A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108886977A (en) * 2018-08-03 2018-11-27 武汉轻工大学 A kind of flat grain equipment of truss-like and control method
KR102169676B1 (en) * 2020-05-25 2020-10-23 유덕환경(주) A sludge leveling device

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KR101235635B1 (en) 2010-12-02 2013-02-20 주식회사 포스코 Device for levelling raw material in freight car
KR101497565B1 (en) 2014-06-17 2015-03-02 주식회사 한국테크놀로지 Device for Flattening of Transportation Coal in System for Drying Coal
KR101513081B1 (en) 2014-11-28 2015-04-17 주식회사 한국테크놀로지 Apparatus for Dispersion and Flattening Multi-level According to Deflection Load of Transportation Coal in System for Drying Coal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101235635B1 (en) 2010-12-02 2013-02-20 주식회사 포스코 Device for levelling raw material in freight car
KR101497565B1 (en) 2014-06-17 2015-03-02 주식회사 한국테크놀로지 Device for Flattening of Transportation Coal in System for Drying Coal
KR101513081B1 (en) 2014-11-28 2015-04-17 주식회사 한국테크놀로지 Apparatus for Dispersion and Flattening Multi-level According to Deflection Load of Transportation Coal in System for Drying Coal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108886977A (en) * 2018-08-03 2018-11-27 武汉轻工大学 A kind of flat grain equipment of truss-like and control method
KR102169676B1 (en) * 2020-05-25 2020-10-23 유덕환경(주) A sludge leveling device

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