JP3243176B2 - Filter manufacturing jig - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter manufacturing jig suitable for use in manufacturing a filter for removing foreign matters mixed in a fluid using a mesh body, for example.

[0002]

2. Description of the Related Art Generally, in factories that manufacture cosmetics, food, medicines, etc., a filter is provided in the middle of supply of raw materials and products, etc., so that foreign matter is not mixed in the manufacturing process or product stage.
Foreign matter is removed by the filter. Here, as this filter, for example, a filter in which a mesh body formed by weaving a thin wire material such as a wire into a bottomed cylindrical shape (bucket shape) and the mesh body is fixed in a case is known.

[0003] Here, the filter is composed of, for example, a bottomed cylindrical case made of a punching plate or the like, and a bottomed cylindrical mesh body housed and fixed in the case. Is a short bottomed cylindrical bottom mesh arranged in contact with the bottom in the case,
And a cylindrical mesh disposed in contact with the peripheral surface in the case.

[0004] Further, when manufacturing the filter,
First, the mesh body is cut out into a disk shape larger than the inner diameter of the case by the bending allowance, and the outer circumferential side bending allowance is manually bent to form a short bottomed cylindrical bottom mesh. Then, the mesh body is cut out in a strip shape and curved into a cylindrical shape along the inner peripheral surface of the case to form a cylindrical mesh. Next, the bottom mesh is accommodated in the case so as to be in contact with the bottom, and the tubular mesh is accommodated so as to be in contact with the tubular portion of the case. And the bottom mesh in the case,
When the cylindrical mesh is housed, the case, the bottom mesh and the cylindrical mesh are fixed by welding means.

[0005]

In the above-mentioned prior art, when forming the bottom mesh of the mesh body, the bending allowance of the mesh body cut out into a disk shape is manually bent to form a short length. It is formed in the shape of a bottom cylinder. However, it is difficult to manually process a mesh body formed by knitting a wire such as a wire into a desired shape, and this bending work requires time, and wrinkles and breaks occur when bending a bending allowance. It is likely to occur, and a welding defect may occur between the bottom mesh and the tubular mesh. In this case, there is a problem that the function as a filter cannot be exhibited.

When the case, the bottom mesh and the cylindrical mesh are fixed by welding means, the case is placed on a work table, and the bottom mesh and the cylindrical mesh are fixed while appropriately shifting the case in this state. In addition, since welding must be performed several times in the circumferential direction, a large amount of time is required for the welding operation, and the welding condition is poor, which may cause poor welding.

The present invention has been made in view of the above-mentioned problems of the prior art, and can easily and surely process a mesh body into a desired bottomed cylindrical shape, and securely fix the mesh body and a case by continuous welding. It is an object of the present invention to provide a filter manufacturing jig that can be used.

[0008]

According to a first aspect of the present invention, there is provided a filter manufacturing jig in which the inner peripheral side of a disk-shaped mesh body is sandwiched. in a mesh body bending jig to form a bottomed cylindrical bottom mesh folding margin of the mesh body that protrudes on the outer circumferential side by the folding <br/> up Rukoto, by the mesh body bending jig Formed by bending into a cylindrical shape with the formed bottom mesh
When accommodating a cylindrical mesh in a cylindrical case with a bottom and performing continuous welding in the circumferential direction , both meshes are
To rotate together with the scan you are composed of a case support jig for rotatably supporting the casing.

[0009] With such a configuration, the bending margin of the mesh body protruding to the outer peripheral side is folded while the inner peripheral side of the disk-shaped mesh body is sandwiched by the mesh body bending jig. by bending, it can process the bottom mesh Interview bottomed cylindrical shape, in this case, since the portion other than the folded bill is sandwiched by the mesh body bending jig prevent wrinkles or bending occurs in this portion it can. Next , the bottom mesh formed by the mesh body bending jig and the cylindrical mesh were used.
And a cylindrical mesh with a bottom
Were housed in a case when applying the circumferential direction of the continuous welding,
By supporting the case rotatably by the case supporting jig, the bottom mesh and the cylindrical mesh together with the case are provided.
Since it is possible to rotate continuously bets in the circumferential direction, both
A square Messi Interview and the case can be easily continuous welding.

According to a second aspect of the present invention, the mesh body bending jig comprises: a supporting disk portion for supporting an inner peripheral side of the mesh body in a state where a bending allowance of the mesh body is protruded; The other supporting disk portion provided to face the supporting disk portion of the above and sandwiching the mesh body with the one supporting disk portion, and the mesh body being sandwiched between the supporting disk portions. And the annular bent portion that fits the outer peripheral side of each support disk portion to the outer peripheral side of each support disk portion to bend the allowance protruding into the outer peripheral side of each support disk portion into a cylindrical shape.

[0011] With this configuration, the mesh body is placed on one support disk portion so that the bending allowance protrudes, and the mesh member is placed between the one support disk portion and the other support disk portion. By fitting the annular bent portion to the outer peripheral side of each of the supporting disk portions in a state where the mesh body is sandwiched between the mesh members, it is possible to prevent wrinkling of the mesh body by each supporting disk portion, and for a short time The bending margin can be bent into a cylindrical shape.

According to a third aspect of the present invention, the case support jig is provided on the base and is separated from the base in the left and right directions.
Left and right rotating rollers that rotatably support the case from below, and are provided on the base so as to be swingable above the respective rotating rollers and rotatably support the case from above. And a swing roller.

With this configuration, in a state where the case is supported from below by the respective rotating rollers and the case is supported from above by swinging the swing roller downward.
Since the case can be rotatably supported, for example, by rotating the case manually or automatically, the bottom mesh, the tubular mesh and the case can be continuously welded in the circumferential direction.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a jig for manufacturing a filter according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a mesh body bending jig which constitutes a filter manufacturing jig together with a case support jig 17 described later. The mesh body bending jig 1 includes a base plate 2 and a mesh It is composed of a presser 6 and a bending member 9.

Reference numeral 2 denotes a base plate of the mesh bending jig 1. The base plate 2 is formed in a disk shape, and is provided with an annular annular convex portion 3 protruding upward on the outer peripheral side. On the inner peripheral side of the annular convex portion 3, a circular mesh support portion 4 forming one support disk portion is formed. An annular groove 5 is formed between the annular convex portion 3 and the mesh support portion 4.
Here, as shown in FIG. 2, the upper surface side of the mesh support portion 4 becomes a support surface 4A at a position slightly lower than the annular convex portion 3, and the diameter dimension of the support surface 4A is a case 16 described later. Mesh 1 bottom than the inner diameter of the side plate 16B
The thickness is set to be smaller by about 4 thickness dimension.

Reference numeral 6 denotes a mesh retainer provided to face the support surface 4A of the mesh support section 4.
A holding plate 7 forming another supporting disk portion formed in a disk shape with a diameter size equivalent to the diameter size of the mesh supporting portion 4;
And a cylindrical pressing rod 8 extending upward from the center of the upper surface of the holding plate 7, and the lower surface of the holding plate 7 sandwiches the bottom mesh 14 between the holding plate 4 and the support surface 4 </ b> A of the mesh support 4. It is a holding surface 7A.

Reference numeral 9 denotes a bending member for bending the bent margin 14A of the bottom mesh 14, and the bending member 9 is
A disk portion 10, an annular bent portion 11 fixed to the outer peripheral side of the disk portion 10 and protruding downward, and a cylindrical support fixed to an inner peripheral side of the disk portion 10 and extending upward. Cylinder 12
And the inside of the support cylinder 12 has a mesh presser 6
Is formed as an insertion hole 13 through which the pressing rod 8 is inserted. Also,
The annular bent portion 11 fits into the annular groove 5 of the base plate 2, and its inner diameter is set so that the bottom mesh 14 can be interposed between the annular bent portion 11 and the mesh support portion 4.

Here, reference numeral 14 denotes a bottom mesh which is formed by weaving a thin wire such as a wire and is fixed to the bottom plate 16A of the case 16, and the bottom mesh 14 is cut into a disk shape.
The outer peripheral side has a bending margin 14A. Then, the bottom mesh 14 is processed into a short bottomed cylindrical shape as shown in FIGS. 3 and 4 by bending the bending margin 14A.

Reference numeral 15 denotes a cylindrical mesh fixed to the inner peripheral surface of the side plate 16B of the case 16, and the cylindrical mesh 15 has a length and a depth corresponding to the inner peripheral dimension of the side plate 16B. It is cut out in a strip shape with a width dimension, and is curved in the longitudinal direction so as to form a cylindrical shape.

Reference numeral 16 denotes a case to which the bottom mesh 14 and the cylindrical mesh 15 are attached.
Is a bottom plate 16A formed in a disc shape from a plate material such as a punching plate, a side plate 16B extending upward from the periphery of the bottom plate 16A and formed in a cylindrical shape from the punching plate, and an upper end of the side plate 16B. And a flange portion 16C protruding outward in the radial direction.

On the other hand, in FIG. 5, reference numeral 17 denotes a case supporting jig which constitutes a filter manufacturing jig together with the mesh body bending jig 1, and the case supporting jig 17 is a base 1 to be described later.
8, a rotation roller 22, and a swing roller 24.

Reference numeral 18 denotes a base of the case supporting jig 17, and the base 18 is a square plate 1 mounted on a work table (not shown).
9, a vertical plate 20 fixed on the square plate 19, and an inclined frame plate 21 fixed to the upper end of the vertical plate 20 and inclined at a predetermined angle. It is formed in an L shape.

Reference numerals 22 and 22 denote a pair of rotating rollers which are located below the inclined frame plate 21 of the base 18 and are separated from each other in the left and right directions. Each of the rotating rollers 22 is rotatably provided. A fitting concave groove 22A into which the flange portion 16C of the case 16 fits is formed on the entire outer circumference.

A swing arm 23 is swingably mounted on the upper end side of the inclined frame plate 21. The swing arm 23 can be fixed at an arbitrary swing position by a stopper (not shown).

Reference numeral 24 denotes a swinging roller positioned above each rotating roller 22 and attached to the tip end of a swinging arm 23. The swinging roller 24 is located on the same plane as each rotating roller 22. It is rotatably provided, and a fitting groove 24A into which the flange portion 16C of the case 16 fits is formed on the entire outer circumference thereof.

The jig for manufacturing a filter according to the present embodiment has the above-described configuration. Next, a procedure for manufacturing a filter using the jig for manufacturing a filter will be described.

First, the bottom mesh 14 cut into a disk shape is placed on the support surface 4A of the mesh support portion 4 so that the bent margin 14A protrudes to the outer peripheral side. Then, after the pressing rod 8 of the mesh press 6 is inserted into the insertion hole 13 of the bending member 9, the press plate 7 of the mesh press 6 is pressed onto the bottom mesh 14, and the press surface 7A of the press plate 7 The bottom mesh 14 is sandwiched between the mesh support 4 and the support surface 4A. In this state, the annular bent portion 11 of the bending member 9 is pressed so as to fit into the annular groove 5 of the base plate 2.

As a result, as shown in FIG. 3, the bent margin 14A of the bottom mesh 14 protruding outward from the space between the holding surface 7A of the holding plate 7 and the support surface 4A of the mesh support portion 4.
Is bent downward by the annular bent portion 11, so that the bottom mesh 14 can be processed into a short bottomed cylindrical shape as shown in FIG.

When the bottom mesh 14 is bent, a portion other than the bent margin 14A is sandwiched between the holding surface 7A of the holding plate 7 and the supporting surface 4A of the mesh supporting portion 4. It is possible to prevent wrinkles and breaks from occurring in portions.

Next, the bottom mesh 14 processed by the mesh body bending jig 1 is inserted along the side plate 16B of the case 16, and the bottom mesh 14 is brought into contact with the bottom plate 16A, and then the bottom mesh 14 is bent. The cylindrical mesh 15 is inserted along the inner periphery of the side plate 16B of the case 16.

Next, the bottom mesh 14, the cylindrical mesh 1
5 and the side plate 16B of the case 16 are fixed by continuous welding in the circumferential direction, the flange 16C of the case 16 in which the bottom mesh 14 and the cylindrical mesh 15 are temporarily attached is fitted to each of the rotating rollers 22. Fit into the concave groove 22A. Then, the swing roller 24 is rotated via the swing arm 23.
, The fitting groove 24A of the swing roller 24 is fitted into the flange portion 16C, and the swing arm 23 is fixed at this position.

As a result, the case 16 is
The case 16 is rotatably supported in the circumferential direction by the swing roller 24 and the case 2. By rotating the case 16 manually or by a motor (not shown) or the like, as shown in FIG. The cylindrical mesh 15 and the side plate 16B of the case 16 can be easily fixed to each other by continuous welding in the circumferential direction, and a bucket-type filter can be manufactured.

Thus, according to the present embodiment, only by pushing the bending member 9 toward the base plate 2, the bent margin 14A of the bottom mesh 14 is formed by the annular bending portion 11 of the bending member 9. Since it can be bent, the bottom mesh 14 can be easily processed into a short bottomed cylindrical shape,
The time required for the bending operation can be shortened, and the workability at the time of manufacturing the filter can be improved.

During the bending operation of the bending margin 14A, the portions other than the bending margin 14A of the bottom mesh 14 are pressed against the pressing surface 7A of the pressing plate 7 and the supporting surface 4A of the mesh supporting portion 4.
Between the bottom mesh 14 and the tubular mesh 15, which may cause poor welding. Can be prevented, the welding operation can be performed reliably, and the reliability of the filter can be improved.

Further, since the case 16 is rotatably supported in the circumferential direction by the case supporting jig 17, the case 16 can be easily rotated, so that the meshes 14, 15 and the case 16 can be easily connected. In addition to being able to weld and shortening welding work time,
It is possible to improve the finished state of welding and prevent the occurrence of poor welding.

[0037]

As described above in detail, according to the first aspect of the present invention, the mesh body formed into a disk shape by the mesh body bending jig protrudes to the outer circumference side while sandwiching the inner circumference side. by bending the bending margin of the mesh body was, able to process the bottom <br/> Messi Interview bottomed cylindrical shape, in this case, the portions other than the bent margin because sandwiching a mesh body bending jig The mesh body can be machined into a bottomed cylindrical shape.
Since a portion other than the bending allowance is interposed, wrinkles and breaks can be prevented from occurring in this portion, and the reliability of the filter can be improved. Next , it is bent into a cylindrical shape with the bottom mesh formed by the mesh body bending jig.
A cylindrical mesh with a bottom
When the case is housed in the casing and the circumferential continuous welding is performed , the case support jig rotatably supports the case, thereby rotating the bottom mesh and the tubular mesh together with the case continuously in the circumferential direction. since it is possible, and both main <br/> Tsu push from the case can be easily and reliably continuous welding, it is possible to improve the workability during filter production.

According to the second aspect of the present invention, the mesh body is placed on one of the support disk portions so that the bending margin protrudes, and the other support disk portion makes contact with the one support disk portion. By fitting the annular bent portion to the outer peripheral side of each of the support disk portions in a state where the mesh body is sandwiched therebetween, it is possible to prevent the mesh body from being wrinkled or broken by each support disk portion. And, since the bending allowance can be bent into a cylindrical shape in a short time, it is possible to prevent the formation of a gap due to poor welding due to wrinkles and breaks formed between the mesh body and the mesh body support frame, The welding operation can be ensured, and the reliability of the filter can be improved.

According to the third aspect of the present invention, when the case is supported from below by the respective rotating rollers and the case is supported from above by swinging the swinging roller downward, the case is supported by the case supporting jig. Because it can be rotatably supported by
For example, by rotating the case manually or automatically, the bottom mesh , the tubular mesh and the case can be continuously welded in the circumferential direction, so that the welding operation time can be reduced, and the finished state of welding can be reduced. It is possible to prevent the occurrence of poor welding by making the condition good.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a mesh body bending jig according to an embodiment of the present invention.

FIG. 2 is an exploded cross-sectional view showing a mesh body bending jig in a state before a bottom mesh is processed.

FIG. 3 is a sectional view showing a mesh body bending jig in a state where a bottom mesh is being machined.

FIG. 4 is a perspective view showing a bottom mesh, a tubular mesh, and a case.

FIG. 5 is a perspective view showing a case supporting jig according to the embodiment of the present invention.

FIG. 6 is a perspective view showing a state in which a bottom mesh and a tubular mesh are welded to a case rotatably supported by a case support jig.

[Description of Signs] 1 Mesh body bending jig 4 Mesh support portion (one support disk portion) 7 Holding plate (other support disk portion) 11 Annular bent portion 14 Bottom mesh (mesh body) 14A Bend Charge 15 Cylindrical mesh 16 Case 16A Bottom plate 16B Side plate 17 Case support jig 18 Base 22 Rotary roller 24 Swing roller

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B01D 29/09-29/37 B01D 39/08-39/20 B23K 37/047

Claims (3)

(57) [Claims] While sandwiching the inner circumferential side of the 1. A disk-shaped to form the mesh body, bending the bottomed cylindrical bottom mesh by Rukoto the bending margin of the mesh body that protrudes on the outer peripheral side < A mesh body bending jig to be formed, a bottom mesh formed by the mesh body bending jig , and a cylindrical mesh formed by bending into a cylindrical shape are provided with bottoms.
A housing supporting jig for rotatably supporting the case in order to rotate both meshes together with the case when accommodating in a cylindrical case and performing circumferential continuous welding; Jig for filter production. 2. The mesh body bending jig includes: a support disk portion that supports an inner peripheral side of the mesh body in a state where a bending allowance of the mesh body protrudes; and the one support disk portion. The other support disk portion is provided to face the one support disk portion and sandwiches the mesh body between the one support disk portion, and the other support disk portion holds the mesh body between the support disk portions. 2. The filter manufacturing method according to claim 1, wherein said filter disc comprises a ring-shaped bent portion which is bent into a cylindrical shape by fitting the bent portion protruding to the outer peripheral side of each of said support disk portions by fitting to the outer peripheral side of said portion. Jig. 3. The case supporting jig is provided on a base, and left and right rotating rollers are provided on the base so as to be separated from each other in left and right directions and rotatably support the case from below. 3. The filter manufacturing device according to claim 1, further comprising: a swinging roller that is provided above the rotating rollers and is swingably provided on the base, and that swingably supports the case from above. Jig.