KR20120038229A - Bag cage of filter-bag for dust collector and manufacture method thereof - Google Patents

Abstract

PURPOSE: A bag cage for a dust collecting filter bag and a method for manufacturing the same are provided to prevent the increase of components by naturally forming an upper cap and a lower cap. CONSTITUTION: A bag cage for a dust collecting filter bag includes a filtering part(10), an upper cap(20), and a lower cap(30). The filtering part filters dust introduced to the lateral direction of the filtering part and discharges air through the inner upper side and the lower side of the filtering part. The upper cap is naturally formed to maintain the shape of the filtering part by pouring a hardening solution on the upper side of the filtering part and naturally hardening the solution. The lower cap is naturally formed to maintain the shape of the filtering part by pouring a hardening solution on the lower side of the filtering part and naturally hardening the solution. The filtering part includes a filtering fabric(12) and an external mesh net(16). The filtering fabric forms a corrugated surrounding side in order to increase the collecting area of dust. An external meth net is formed at the external side of the filtering fabric.

Description

Bag Cage of Filter Bag for Dust Collector and Manufacturing Method Thereof {BAG CAGE OF FILTER-BAG FOR DUST COLLECTOR AND MANUFACTURE METHOD THEREOF}

The present invention relates to a filter bag having an outer mesh net for protecting the filter cloth of the filter bag for dust collector and to a method for manufacturing the same, and more particularly, to crimp a fixing solution such as a silicone liquid or a resin liquid. The upper and lower caps are naturally formed by pouring them into upper and lower sides of the filter cloth, the inner mesh net and the outer mesh net, thereby preventing an increase in the number of parts and the number of parts due to separate assembly, and primarily by the outer mesh net. The present invention relates to a bag cage of a filter bag for a dust collector and a method of manufacturing the same, which protect the filter cloth and extend the life of the filter cloth.

As air containing dust is sucked into the dust collecting case through the dust inlet in accordance with the exhaust fan driving at the construction site or the factory, foreign substances such as dust contained in the air are filtered by the filter. By the air outlets.

As dust is accumulated and accumulated on the filter cloth of the filter using the dust collector for a long time, when compressed air discharged from the compressor is supplied to the filter through the blower tube, it accumulates in the filter due to the vibration, expansion, or shaking of the filter. The accumulated dust is removed from the filter. Dust falling from the filter is collected and collected by a rotary valve installed in the center of the bottom of the dust collecting case.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

The filter cloth of the conventional filter bag for dust collector has a problem that durability is reduced because it directly adsorbs foreign matter including dust to the outer surface as possible. In addition, the existing filter bag for dust collector is assembled by combining the unit parts, there is a problem that can cause assembly failure due to the release of the bond for a long time use. Therefore, there is a need for improvement.

The present invention has been made to improve the above problems, by forming an outer mesh net on the outside of the filter cloth of the filter bag for dust collector, it can extend the life of the filter cloth by filtering foreign matter such as relatively large dust in the outer mesh net It is an object of the present invention to provide a bag cage and a method for manufacturing the filter bag for dust collector.

In addition, the present invention seats the lower side of the filter portion including the pleated filter cloth to the lower cover, and then, by pouring a fixed solution such as silicone liquid or resin liquid to form a lower cap naturally, while the upper side of the upper side of the filter portion is placed downward It provides a bag cage of the filter bag for dust collector and its manufacturing method to prevent the hassle and the increase of the number of parts due to the separate assembly by forming the upper cap naturally by pouring the fixed solution and then drying it. There is a purpose.

In addition, the present invention is a bag cage of the filter bag for dust collector for maintaining the shape of the filter cloth by naturally forming the upper cap and the lower cap after inserting the filter cloth in the fixing frame through the hole along the planar trajectory of the pleated filter cloth and its The purpose is to provide a manufacturing method.

The bag cage of the filter bag for the dust collector according to the present invention is: a filter unit for guiding the discharged air through the upper or lower side after filtering dust introduced in the lateral direction, the fixed solution having fluidity on the upper side of the filter unit And an upper cap that is naturally formed to maintain the shape of the filter unit as it is hardened, and a lower cap that is naturally formed to maintain the shape of the filter unit as the fixing solution having fluidity is poured into the lower side of the filter unit. The filter unit may communicate with the upper and lower sides, and filter cloth forming a pleated circumferential surface to increase the dust collecting area, and first filtering the dust flowing into the filter cloth and flowing through the outer perforation hole. It includes an outer mesh net.

The filter unit may include an inner mesh net formed on the inner side of the filter cloth to filter the dust repeatedly while supporting the inner surface of the filter cloth and through the inner perforation hole.

The method of manufacturing a bag cage of a filter bag for a dust collector according to the present invention includes: a filter part forming step of forming a filter part for guiding discharged air through an inner upper side or a lower side after filtering dust introduced in a lateral direction, and opening to one side A lower cover molding step of molding the lower cover, a lower accommodating step of accommodating a lower side of the filter part inside the lower cover, and a lower cap of the filter part to naturally form by stiffening after pouring a fixing solution to the lower cover. And a bottom cap forming step.

After the lower cap forming step, inverting the filter unit which integrally forms the lower cap, an upper cover forming step of forming an upper cover opened to one side, and accommodating an upper side of the filter part inside the upper cover. An upper cap forming step and an upper cap forming step of naturally forming an upper cap of the filter part by stiffening after pouring a fixing solution to the upper cover.

The filter portion forming step, the filter cloth forming step of forming a filter cloth circumferentially communicated up and down, forming an inner mesh net to form an inner perforation hole for the flow of air inside the shaft to insert the inside of the filter cloth And a mesh mesh inserting step, and an outer mesh net inserting step of axially inserting an outer mesh net having an outer perforated hole formed therein to filter the dust introduced into the filter cloth.

Between the lower accommodating step and the lower cap forming step, the lower side of the filter cloth is inserted into the receiving hole of the same fixing frame as the corrugated trajectory of the filter cloth, and then the fixing frame installation step of lifting the fixing frame before complete drying of the fixing solution is preferably performed. Do.

Prior to the upper receiving step, it is preferable that the fixing frame removing step of removing the fixing frame to the outside of the filter cloth is performed.

As described above, the bag cage and the manufacturing method of the filter bag for dust collector according to the present invention, unlike the prior art by forming an outer mesh net on the outside of the filter cloth of the filter bag for dust collector to filter out foreign substances such as relatively large dust in the outer mesh net By extending the life of the filter cloth.

In addition, the present invention seats the lower side of the filter portion including the pleated filter cloth to the lower cover, and then, by pouring a fixed solution such as silicone liquid or resin liquid to form a lower cap naturally, while the upper side of the upper side of the filter portion is placed downward Since the upper cap is formed naturally as the fixed solution is poured into the container after drying, it is possible to prevent the inconvenience and increase in the number of parts due to separate assembly.

In addition, the present invention can maintain the shape of the filter cloth by naturally forming the upper cap and the lower cap after inserting the filter cloth in the fixing frame through the hole along the planar trajectory of the pleated filter cloth.

1 is a perspective view of a bag cage of a filter bag for a dust collector according to an embodiment of the present invention.
2 is a longitudinal sectional view of the bag cage of the filter bag for the dust collector according to an embodiment of the present invention.
3 is a plan sectional view of the bag cage of the filter bag for dust collector according to an embodiment of the present invention.
4 is a flowchart illustrating a method of manufacturing a bag cage of a filter bag for a dust collector according to an embodiment of the present invention.
5 is a state diagram showing a manufacturing procedure of the bag cage of the filter bag for dust collector according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a bag cage of the filter bag for a dust collector and a method of manufacturing the same according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view of a bag cage of a filter bag for a dust collector according to an embodiment of the present invention, Figure 2 is a longitudinal sectional view of the bag cage of a filter bag for a dust collector according to an embodiment of the present invention, Figure 3 is one of the present invention A plan cross-sectional view of a bag cage of a filter bag for a dust collector according to an embodiment.

Figure 4 is a flow chart showing the manufacturing method of the bag cage of the filter bag for dust collector according to an embodiment of the present invention, Figure 5 is a state diagram showing the manufacturing procedure of the bag cage of the filter bag for dust collector according to an embodiment of the present invention.

1 to 3, the bag cage of the filter bag for a dust collector according to an embodiment of the present invention includes a filter unit 10, an upper cap 20, and a lower cap 30.

The filter unit 10 serves to filter dust from the air flowing in the lateral direction, and serves to induce the dust attached to the outer surface by the air blowing hard from the inside to the outside.

Thus, the filter unit 10 is formed in a planar circular or polygonal shape, it is preferably formed in a circular shape.

In addition, the filter unit 10 is formed to communicate with the upper side, the lower side or both sides with respect to the axial direction to guide the flow of air.

In particular, the filter unit 10 includes a filter cloth 12, the inner mesh net 14 and the outer mesh net 16.

The filter cloth 12 is formed to communicate with the upper and lower sides, and forms a corrugated circumferential surface to increase the dust collecting area.

That is, the filter cloth 12 is alternately to form a valley and acid on the circumferential surface.

In more detail, the filter cloth 12 serves to filter and collect the dust contained in the outside air flowing inward from the outer peripheral surface.

That is, when the outside air flows into the inside through the lateral direction of the filter cloth 12, the air contained in the outside air is collected on the outer surface of the filter cloth 12.

In particular, the filter cloth 12 is made of any one material of flexible PE, PP, GLASS WOOL, Nomex, Teflon. Of course, the filter cloth 12 may be made of another material having flexibility.

The reason why the filter cloth 12 should be flexible is to make it possible to drop as much dust on the surface as it shakes when the air injected from the inside of the filter cloth 12 is struck.

In addition, the reason why the filter cloth 12 is formed in the circumferential surface is to maximize the fall of dust as it induces sufficient expansion and contraction during the air struck.

On the other hand, the inner mesh net 14 is formed inside the filter cloth 12 serves to support the filter cloth 12 from the inside.

At this time, the inner mesh net 14 through the plurality of inner perforation holes 15 in the circumferential surface.

The inner perforation hole 15 is for guiding the flow of air flowing in from the outside of the inner mesh net 14 or discharged from the inside to the outside.

In addition, the inner mesh net 14 is preferably formed to the same diameter as the inner diameter of the filter cloth 12 of the initial state.

That is, the inner mesh net 14 preferably contacts the mountains protruding into the filter cloth 12 to support the filter cloth 12.

Then, the inner mesh net 14 is formed to be open to the upper or lower side or open to both sides.

In addition, the outer mesh net 16 is formed outside the filter cloth 12.

That is, the filter cloth 12 is axially inserted into the outer mesh net 16.

In particular, the outer mesh net 16, like the inner mesh net 14, guides the flow of air through a plurality of outer perforation holes 17 in the circumferential surface.

Here, the outer mesh net 16 serves to primarily filter the dust flowing into the filter cloth 12.

Thus, the filter cloth 12 can reduce the amount of dust attached to the circumferential surface can be improved durability.

As a result, the filter unit 10 disposed in the order of the outer mesh net 16, the filter cloth 12, and the inner mesh net 14 from the outer side to the inner side is preferably constrained the upper side and the lower side to maintain the shape. Do.

In addition, the upper side and the lower side of the filter unit 10 is preferably formed to block the inflow of foreign matter other than the predetermined air.

Thus, the upper side of the filter unit 10 forms the upper cap 20, and the lower side of the filter unit 10 forms the lower cap 30.

Here, the upper cap 20 is naturally formed to maintain the shape of the filter unit 10 as the fixing solution having fluidity is poured and hardened on the upper side of the filter unit 10.

At this time, the fixing solution is preferably a solution having a cohesive force such as a silicone liquid or a resin liquid or solidified.

Similarly, the lower cap 30 is naturally formed to maintain the shape of the filter unit 10 as the fixed solution having fluidity is poured into the lower side of the filter unit 10.

Therefore, since the upper cap 20 and the lower cap 30 are naturally formed due to the solidification of the fixed solution having fluidity, the upper cap 20 and the lower cap 30 are firmly restrained along the corresponding upper and lower edges of the filter unit 10.

Of course, the fixing solution forming the lower cap 30 is preferably made of a silicone liquid or a resin liquid.

4 and 5, the manufacturing method of the bag cage of the filter bag for the dust collector according to an embodiment of the present invention, the filter portion forming step (S10), the lower cover forming step (S20), the lower receiving step (S30) and Lower cap molding step (S50) is included.

In particular, the filter portion forming step (S10) is a process of forming the filter portion 10, the filter portion 10 to filter the dust flowing in the lateral direction and then guide the discharged air through the upper or lower inside It serves to induce the dust falling on the outside by the air to strike the inside.

At this time, the filter forming step (S10) includes a filter forming step (S12), the inner mesh net inserting step (S14) and the outer mesh net inserting step (S16).

Here, the filter cloth forming step (S12) is a process of forming the filter cloth 12 is circumferentially corrugated, and communicated up and down.

Then, the inner mesh net inserting step (S14) is a step of forming the inner mesh net 14 to form the inner perforation hole 15 for the flow of air to insert the shaft inside the filter cloth (12).

Here, the inner mesh net 14 serves to support the filter cloth 12 from the inside.

In addition, the outer mesh net inserting step (S16) is a step of axially inserting the outer mesh net 16 having the outer perforated holes 17 formed therein to filter the dust 12 flowing into the filter cloth 12. .

Of course, the inner mesh net insertion step S14 may be performed immediately after the filter cloth forming step S12, or the outer mesh net inserting step S16 may be performed immediately after the filter cloth forming step S12.

On the other hand, the lower cover molding step (S20) is a process of molding the lower cover 40 opened to one side.

The lower cover 40 serves to accommodate the lower side of the filter unit 10 and may be formed in various shapes.

Of course, the lower cover molding step S20 may be performed before the filter part forming step S10.

In addition, the lower receiving step (S30) is a step of receiving the same lower side of the filter cloth 12, the inner mesh net 14 and the outer mesh net 16 constituting the filter unit 10 to the inside of the lower cover 40. to be.

Then, the lower cap forming step (S50) is fixed to the inside of the lower cover 40, which accommodates the same lower side of the filter cloth 12 and the inner mesh net 14 and the outer mesh net 16 constituting the filter unit 10 It is a process of naturally molding the lower cap 30 of the filter unit 10 by pouring and solidifying the solution.

Here, the fixing solution may be variously applied, such as a silicone liquid or a resin liquid.

Thereafter, the upper side of the filter unit 10 is preferably a process of forming the upper cap 20.

That is, after the lower cap molding step (S50) it is preferable that the flipping step (S60), the upper cover molding step (S70), the upper receiving step (S90) and the upper cap molding step (S100) is performed.

Here, the flipping step (S60) is a step of inverting the filter unit 10 in which the lower cap 30 is integrally formed.

That is, the same lower side of the filter cloth 12, the inner mesh net 14, and the outer mesh net 16 constituting the filter unit 10 is positioned at the upper side, and the same upper side of the filter unit 10 is positioned at the lower side. Done.

In addition, the upper cover molding step (S70) is a process of molding the upper cover 50 opened to one side.

The upper cover 50 serves to accommodate the upper side of the filter unit 10, and may be formed in various shapes.

Of course, the upper cover molding step (S70) may be performed before the flipping step (S60).

In addition, the lower cover molding step (S20) and the upper cover molding step (S70) may be performed at the same time as the first process.

And, the upper receiving step (S90) is a step of accommodating the same upper side of the filter cloth 12, the inner mesh net 14 and the outer mesh net 16 constituting the filter unit 10 inside the upper cover 50 to be.

In addition, the upper cap forming step (S100) is fixed to the inside of the upper cover 50 accommodated the same upper side of the filter cloth 12 and the inner mesh net 14 and the outer mesh net 16 constituting the filter unit 10 It is a process of naturally forming the upper cap 20 of the filter unit 10 by pouring and solidifying the solution.

Here, the fixing solution may be variously applied, such as a silicone liquid or a resin liquid.

On the other hand, the filter cloth 12 is preferably constrained to maintain the shape when accommodated in the lower cap 30 and the upper cap 20.

So, between the lower receiving step (S30) and the lower cap molding step (S50) of the fixing frame installation step of inserting the lower side of the filter cloth 12 into the receiving hole 62 of the fixing frame 60, the same as the corrugated trajectory of the filter cloth 12 (S40) is performed.

That is, the fixing frame 60 serves to constrain the filter cloth 12 to maintain the corrugated shape by forming the receiving hole 62 along the trajectory of the peaks and valleys of the filter cloth 12.

At this time, the fixing frame 60 is preferably fitted to the lower side of the filter cloth 12 accommodated in the lower cap 30.

Thereafter, the fixing frame 60 is lifted before the complete drying of the fixing solution, thereby reducing the lower volume of the solidified filter part 10.

In addition, the fixing frame 60 is preferably removed from the filter unit 10 before the upper cap forming step (S100).

That is, before the upper receiving step (S90), in particular, between the upper cover molding step (S70) and the upper receiving step (S90), the fixing frame (60) to the outside (upper side) along the axial direction of the filter cloth (12). The fixing frame removing step (S80) to be taken out is performed.

At this time, since the filter cloth 12 is fixed in shape by the lower cover 40 formed by solidifying the lower side, the upper side also maintains the shape.

Thereafter, if necessary, the operator can remove the lower cover 40 and the upper cover 50.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10: filter part 12: filter cloth
14: inner mesh net 16: outer mesh net
20: upper cap 30: lower cap
40: lower cover 50: upper cover
60: fixing frame

Claims (7)

A filter unit which filters the dust introduced in the lateral direction and guides the introduced air through the upper or lower side of the air;
An upper cap that is naturally formed to maintain a shape of the filter unit as the fixing solution having fluidity is poured and solidified on the upper side of the filter unit; And
A lower cap naturally formed to maintain the shape of the filter unit as the fixed solution having fluidity is poured and hardened under the filter unit,
The filter unit may communicate with the upper and lower sides and form a pleated circumferential surface to increase the dust collecting area; And
Bag cage of the filter bag for dust collector, characterized in that formed on the outside of the filter cloth to filter the dust flowing into the filter cloth primarily, and an outer mesh net through the outer perforation hole.
The method of claim 1,
The filter unit, the filter bag for dust collector, characterized in that it is formed inside the filter cloth to filter dust repeatedly from the incoming air while supporting the inner surface of the filter cloth, and includes an inner mesh net through the inner perforation hole. Back cage.
A filter part forming step of forming a filter part which filters the dust introduced in the lateral direction and then discharges the introduced air through the upper side or the lower side;
A lower cover molding step of molding the lower cover opened to one side;
A lower accommodating step of accommodating a lower side of the filter unit in an inner side of the lower cover; And
And a lower cap forming step of naturally forming a lower cap of the filter unit by pouring and fixing the fixing solution to the lower cover.
According to claim 3, After the lower cap molding step,
Inverting step of inverting the filter unit integrally formed with the lower cap;
An upper cover molding step of forming an upper cover opened to one side;
An upper accommodating step of accommodating an upper side of the filter unit in an inner side of the upper cover; And
Method of manufacturing a bag cage of the filter bag for dust collector, characterized in that it comprises a top cap forming step of naturally forming the upper cap of the filter portion by pouring the fixing solution to the upper cover to harden.
According to claim 3 or 4, wherein the filter portion forming step,
A filter cloth forming step of forming a filter cloth in which the circumferential surface is corrugated and communicated with the upper and lower sides;
An inner mesh net inserting step of inserting the inner mesh net to form an inner perforated hole for the flow of air and inserting the shaft into the inner side of the filter cloth; And
And an outer mesh net insertion step of axially inserting an outer mesh net having an outer perforated hole into the filter cloth so as to first filter dust introduced into the filter cloth.
6. The method of claim 5,
Between the lower accommodating step and the lower cap forming step, the lower side of the filter cloth is inserted into the receiving hole of the same fixing frame as the corrugated trajectory of the filter cloth, and then the fixing frame installation step of lifting the fixing frame before complete drying of the fixing solution is performed. A method for producing a bag cage of a filter bag for a dust collector.
The method according to claim 6,
The method of manufacturing a bag cage of the filter bag for the dust collector, characterized in that before the upper receiving step, the fixing frame removing step of removing the fixing frame to the outside of the filter cloth is performed.

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