JPH07100322A - Separator for air filter and its manufacturing device - Google Patents

Abstract

PURPOSE:To manufacture an economical separator in one process by rotating forming molds engaged with each other with the rotation of a roll rotating mechanism and passing a sheet material between the forming molds to form it into a corrugated shape. CONSTITUTION:In a separator 1, the height h1 of a higher part of one end side is larger than the height h2 of higher parts of the other end side and the heights of the higher parts are gradually decreased from the higher part of one end side to the higher parts of the other end side, and the pitch P1 of the higher part of one end side is larger than the pitch P2 of the higher parts of the other end side and the pitch is gradually narrowed from the higher part of one end side to the higher parts of the other end side. And a sheet material 1a is delivered from a delivering device 5 into a roll mechanism 6. Then the separator 1 is formed by a roll with a gear 7 provided with forming molds for forming into the separator 1 and a roll with a form gear 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a separator for an air filter suitable for removing dust floating in the air, which is used in an air conditioner or the like, and an apparatus for manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, an air filter is constructed by folding a filter material made of glass fiber or the like into a zigzag shape in several stages and incorporating it into a frame. It is known that it is made by putting it in.

Further, when the height of the refraction wave of the separator for the air filter is made larger on the air inlet side than on the air outlet side, that is, in the so-called tapered shape, the conventional refraction wave height is made uniform over the entire length. It is also known that a larger air volume and higher performance can be obtained compared to.

For example, Japanese Examined Patent Publication No. 63-33887 proposes a continuous manufacturing apparatus in which a sheet material is formed into a flat fan shape and corrugation is continuously performed from the flat fan shape.

[0005]

However, in the above-described conventional apparatus for manufacturing a separator for an air filter,
There is a problem that there are many processes, complicated operations are required, and there is much waste.

[0006] For example, the above-mentioned Japanese Patent Publication No. 63-33887.
According to the gazette, the sheet material of aluminum foil is sent to a fold roller mechanism by a feeder, first, a flat fan-shaped sheet with folds is formed, and this is fed to a surface-adjusting roll to fold the flat fan-shaped sheet. It is crushed and then fed into a corrugated roll mechanism to form a tapered separator.

Therefore, the manufacturing method is roughly classified into the first method.
There is a problem that the manufacturing method is complicated and not economical because it requires two steps of manufacturing a pleated flat fan-shaped sheet as a step and manufacturing a tapered separator in the second step.

Therefore, an object of the present invention is to provide a separator for an air filter and a manufacturing apparatus for the same, which are economical in a simple manufacturing process.

[0009]

According to a first aspect of the present invention, one of the peaks of the corrugations formed in series on one side of the air inlet side is directed toward the other side of the air outlet side. The height of the crests is gradually lowered, and a plurality of corrugated crests whose widths at the bottom are gradually narrowed corresponding to the crests are formed on the separator.

According to a second aspect of the present invention, there is provided a pair of rolls provided on the peripheral surface from the one end to the other end along the axial direction and having a mold having the same shape as the shape of the separator.
The pair of roll forming dies are engaged with each other and rotated, and a roll rotating mechanism for sequentially forming the separator by passing the sheet material between the forming dies is provided. .

[0011]

With the above structure, the molding dies having the same shape as the shape of the separator are provided on the peripheral surfaces of the pair of rolls from the one end to the other end along the axial direction, and the rolls are rotated by the roll rotating mechanism so that they are mutually separated. The meshing mold rotates, the sheet material is molded into a corrugated shape by passing between the molds, and the separators are sequentially delivered.

[0012] Therefore, unlike the conventional case, the step of once manufacturing a deformed sheet having a fan shape or the like is not required, and the number of steps is one and the steps are simple, so that an economical separator can be manufactured.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a partial perspective view of a separator showing an embodiment of the present invention, wherein the separator 1 has one side (shown by A).
The height h1 of the mountain on one side is divided into three equal parts by dividing the height h2 of the mountain on the other side gradually toward the other side (illustrated B) with respect to the height h1 of the mountain. While forming at a low height,
The pitch P1 of the height h1 of the mountain on one side is gradually narrowed toward the other side, and the pitch P2 of the other side is narrowed by dividing the pitch P1 of one side into three equal parts. are doing.

That is, the separator 1 is formed such that the height of the peak is gradually reduced from the one side to the other side and the width corresponding to the peak is also gradually reduced, and the one side to the other side is formed. The outer peripheral lengths of both are the same, and for example, when a part of the separator 1 of FIG. 1 is crushed into a planar shape, it has a rectangular shape.

As shown in FIG. 2, the corrugated aluminum sheet separator 1 shown in FIG. 1 has a plurality of stages from a filter medium to a plate in an outer frame 2 formed in a box shape from a metal plate or plywood. The filter unit 4 is housed together with the filter 3 formed into a shape to form a filter unit 4.

Next, FIG. 3 is a schematic side view of a separator manufacturing apparatus for an air filter showing an embodiment of the present invention, in which an aluminum foil sheet material 1a is fed from a feeding device 5,
The sheet material 1a is sent to the roll mechanism 6.

As shown in the perspective view of FIG. 4, the roll mechanism 6 has a geared roll 7 provided with a mold having the shape of the corrugated separator 1 of FIG. 1, and the same shape as the mold of the geared roll 7. And a roll 8 with a gear.
Then, the roll mechanism 6 is configured to be meshed with each other via the sheet material 1a so as to be rotatable, one high side A of FIG. 1 corresponds to one end A ′ of FIG. The side B corresponds to the other end B ′ in FIG.

As shown in FIG. 5, the geared rolls 7 and 8 have a radius a at one end A '(not including a tooth portion) and a radius b at another end B' (not including a tooth portion). Corresponding to the shape of the separator 1 shown in FIG. 1, the ridge of the molding die is gradually increased from the other end B ′ to the one end A ′, and the bottom of the ridge is gradually increased, and is formed at all positions from one end A ′ to the other end B ′. The outer peripheral lengths of the molds are the same, and the dimensions developed on the plane along this figure are the same.

With this structure, when the sheet material 1a is fed to the roll mechanism 6 which rotates in the direction of the arrow in the drawing in conjunction with a drive mechanism (not shown), the sheet material 1a is molded by the molding die and the separator having the shape shown in FIG. 1 is sequentially sent out, and the completed separator 1 is mounted on the mounting table 9.

As described above, as a forming die, the outer peripheral edges of the rolls with gears 7 and 8 of the roll mechanism 6 developed along the forming die of the longitudinal section are the same in all the axes. Since the tooth profile of is formed, the separator 1 having a desired shape can be formed by using an ordinary sheet material as it is, instead of the conventional deformed flat sheet material such as a fan shape. The step of forming is unnecessary, and molding can be performed by simple steps.

In this embodiment, as an example of the separator 1, as shown in FIG. 1, the height h2 of the ridge on the other side is formed into a low height by dividing the height h1 of the ridge on one side into three equal parts. In addition, the pitch P2 of the other side is formed as a narrow width obtained by dividing the pitch P1 of the one side into three equal parts, but the invention is not limited to this, and the longitudinal cross section with respect to the axial direction of the geared rolls 7 and 8 is also possible. By forming a tooth mold as a molding die so that the outer peripheral edge developed along the molding die becomes the same on all the shafts, and it becomes an integer tooth mold, from one side to the other side It is possible to manufacture a separator for an air filter, which is formed in a desired corrugated sheet so that the height and the width thereof are gradually reduced toward the sides.

[0023]

As described above, according to the present invention, a pair of rolls provided on the peripheral surface along the axial direction from one end to the other end with a mold having the same shape as the shape of the separator. Since the forming dies are rotated by being meshed with each other and the sheet material is passed between the forming dies to form and sequentially deliver the separators, the step of temporarily manufacturing a deformed sheet such as a fan shape as in the past is unnecessary, Since the number of steps is one and it is simple, an economical separator can be manufactured.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a separator manufactured according to an embodiment of the present invention.

FIG. 2 is a view showing an example in which the separator of FIG. 1 is housed in a filter unit.

FIG. 3 is a schematic configuration diagram of a manufacturing apparatus showing an embodiment of the present invention.

4 is a schematic configuration diagram showing a roll mechanism of the manufacturing apparatus of FIG.

5 is a plan view showing one of the roll mechanisms shown in FIG. 4 and a side view showing one end and the other end.

[Explanation of symbols]

 1 Separator 2 Outer Frame 3 Filter 4 Filter Unit 5 Feeding Device 6 Roll Mechanism 7, 8 Gear Roll 9 Mounting Table

Claims (2)

[Claims] 1. The height of the ridge is gradually lowered toward one of the ridges of the corrugation formed continuously on one side of the air inlet side toward the other side of the air outlet side. A separator for an air filter, characterized in that a plurality of corrugated peaks whose width at the bottom is gradually narrowed corresponding to the peaks are formed. 2. A pair of rolls provided with a mold having the same shape corresponding to the shape of the separator from one end to the other end along the axial direction on the peripheral surface, and a mold for the pair of rolls. 2. A separator manufacturing apparatus for an air filter according to claim 1, further comprising: a roll rotating mechanism that meshes and rotates the sheet materials to pass the sheet material between the molds to sequentially form the separators.