JP2001269516A - Method and apparatus for manufacturing cylindrical filter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the point at issue such that much time is required heretofore in work for placing respective filter medium pieces on a strip-like net at proper positions, in a cylindrical filter which is formed by successively connecting a plurality of filter medium pieces different in kinds to wind them into a cylindrical shape, and production efficiency is low and the filter medium pieces become uneven to generate a problem from an aspect of quality. SOLUTION: A taking-up process for preliminarily guiding the leading ends of respective strip-like filter media to the vicinity of a taking-up part from plural kinds of raw filter medium rolls to take up the leading end part of a first strip-like filter medium around a core by a predetermined length in the taking-up part and cutting this strip-like filter medium at a predetermined length position on the leading end side thereof and bonding the leading end part of a second strip-like filter medium to the rear end part of the cut first filter medium piece and performing this operation in the same way with respect to the succeeding strip-like filter media, a cutting process for successively cutting the strip-like filter media and a bonding process for bonding the rear end parts of the preceding filter medium pieces to the leading end parts of the succeeding strip-like filter media are performed a necessary number of times and the winding and cutting of the strip-like filter medium of the final kind are performed to manufacture the cylindrical filter efficiently in a stable state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for manufacturing a cylindrical filter formed by winding a non-woven filter medium into a cylindrical shape. Incidentally, the cylindrical filter targeted in the present application is mainly used for filtering liquid.

[0002]

2. Description of the Related Art FIG. 1 shows a cylindrical filter S of this type. In this cylindrical filter S, a liquid W to be filtered is transmitted from an outer peripheral surface Sa of the filter toward a center hole Sb. In the meantime, the substance mixed in the liquid W is blocked by the filter medium to purify the liquid W.

In the cylindrical filter S shown in FIG. 1, a filter material made of non-woven fabric is wound around a predetermined length to form multiple filter layers inward and outward. Also, in this cylindrical filter S,
The mesh (rough density) of the filter medium is changed from coarse to fine in the direction of passage of the liquid W to be filtered (from the outer layer side to the inner layer side). In this way, in the cylindrical filter S in which the filter medium is wound in multiple turns, the filter medium in each of the inner and outer layers can be effectively used evenly.

[0004] Such a cylindrical filter S made of a nonwoven fabric and formed by winding a plurality of different types of filter material pieces into a cylindrical shape has been conventionally manufactured as shown in FIG. That is, in this conventional method for manufacturing a cylindrical filter, the filter media pieces R ₁ , R _2.
・ Prepare. Each of the filter media pieces R ₁ , R _2, ... Has a thin sheet-like shape, and has a considerable width and length per sheet. The number of types of filter media pieces R ₁ , R ₂ ... Varies depending on the application, but generally two or more types and up to about ten types. In the conventional manufacturing method shown in FIG. 2, the filter material pieces R ₁ , R _2, ... (From the finer mesh) sequentially wound on the inner layer side on the belt-shaped net N fed from the net roll M are sequentially approached. As it is placed in a state, it is wound around the core T from the tip side of the strip-shaped net N on which the filter material piece is placed, all kinds of filter material pieces are wound, the strip-shaped net N is cut, and the net tail is sealed. 1 is completed. In addition, as the core T,
Generally, a mesh-shaped cylindrical core made of a synthetic resin is used. or,
When the band-shaped net N and the filter material pieces R ₁ , R _2, ... Are wound in a wide state, the cylindrical filters S having the product dimensions are cut later.

[0005]

In the conventional method for manufacturing a cylindrical filter shown in FIG. 2, the filter media pieces R ₁ , R _2, ... Since each filter medium piece is cut in advance and flickers (has no shape retention), it is difficult to handle each of the filter medium pieces R ₁ , R ₂ .
Further, the filter material pieces R ₁ , R _2, ... May be displaced or inclined with respect to the belt-shaped net N, or the intervals between the filter material pieces may be irregular. Therefore, in the conventional method for manufacturing a cylindrical filter shown in FIG. 2, it takes a long time to place each filter material piece R ₁ , R ₂ ... There was a problem that it was likely to be irregular.

The present invention has been made in view of the above-described problems of the conventional method of manufacturing a cylindrical filter, and has a method of manufacturing a cylindrical filter as shown in FIG. 1 which can be easily and efficiently manufactured. It is intended to provide such a device.

[0007]

The present invention has the following structure as means for solving the above-mentioned problems. The invention according to claim 1 of the present application is directed to a method for manufacturing a cylindrical filter in which a plurality of different types of filter material pieces made of non-woven fabric are wound in a cylindrical shape in a state where the pieces are continuous by an arbitrary length. Are targeted. In the method for manufacturing a cylindrical filter according to claim 1, the method is performed as follows.

First, the leading end side of each band-shaped filter medium is guided to the vicinity of the winding section from each raw material roll on which each type of band-shaped filter medium is wound.

Next, the leading end of the strip-shaped filter medium is wound around the core by a predetermined length at the winding section, and the tip side of the strip-shaped filter medium is cut at a predetermined length position. The front end of the next band-shaped filter medium is adhered to the rear end of the pre-filter medium piece.

[0010] In the same manner, a winding step of winding the band material on the front side by a predetermined length, a cutting step of the band material on the front side, and a subsequent step on the rear end of the cut pre-filter material piece. And a bonding step of bonding the leading end portion of the band-shaped filter medium is performed a required number of times. After winding and cutting the last type of band-shaped filter medium, the cut edge is wound around the core side. The core is preferably a mesh-shaped cylindrical core made of synthetic resin. However, for example, an air shaft may be used, and after the filter medium is wound around the core, the core may be extracted.

As described above, in the method for manufacturing a cylindrical filter according to the first aspect of the present invention, the earliest filter medium piece is wound after being wound on a core in a state of a band-shaped filter medium that is continuous with a raw roll, and then cut. Since the filter media pieces in the order from the beginning are adhered to the rear end of the previously wound filter media in the form of a band-shaped filter media that is continuous with the raw roll, each filter media must be attached to the core side. It is handled in a continuous state on either side of the raw roll. Therefore, even if a plurality of filter material pieces are wound up to form a cylindrical filter, the handling of each filter material piece becomes easy and the production efficiency can be improved. According to a second aspect of the present invention, in the method for manufacturing a cylindrical filter according to the first aspect, the winding portions are provided at a plurality of positions, and the material rolls are dispersed at positions corresponding to the respective winding portions. It is characterized in that each of the winding portions is sequentially wound around a position where the band-shaped filter medium from each of the material rolls can be received, and each filter medium piece is wound on each of the winding portions.

In the case of the second aspect, after the filter medium pieces at the predetermined positions are simultaneously wound by the plurality of winding sections, each winding section moves to the next position and simultaneously winds the next filter medium piece there. As a result, the winding standby time of each material roll (each band-shaped filter medium) is shortened, and the production efficiency is further improved. The invention according to claim 3 of the present application is directed to an apparatus for manufacturing a cylindrical filter, in which a plurality of filter media pieces of different types made of non-woven fabric are wound in a cylindrical shape in a state where they are respectively continuous by an arbitrary length. It is targeted. The apparatus for manufacturing a cylindrical filter according to the third aspect performs the manufacturing method according to the first aspect.

The cylindrical filter manufacturing apparatus according to a third aspect of the present invention comprises a plurality of raw roll supporting devices for supporting each of the raw rolls on which each type of band-shaped filter medium is wound, and a feed from each of the raw rolls. A processing device for forming a cylindrical filter from each strip-shaped filter material to be formed, a filter material tip holding device for holding a tip portion of each strip-shaped filter material fed from each material roll immediately before the processing device, and a filter material tip. And a positioning device for positioning the leading end of the band-shaped filter medium held by the section holding device to a position where it can be fed to the filter medium winding device side.

Further, the processing apparatus includes a filter medium winding device for winding each filter medium piece around the core, a core supply device for supplying the core to a winding section of the filter medium winding device, a filter medium leading end holding device, and the like. It is provided with a band-shaped filter material cutting device for cutting the band-shaped filter material between the filter material winding device and a both-end bonding device for bonding a rear end portion of the cut filter material piece and a leading end portion of the next-order band-shaped filter material. .

In the cylindrical filter manufacturing apparatus according to the third aspect, each apparatus is operated in the following order. First, before the start of operation, a band-shaped filter medium is fed out from each of the material rolls supported by each of the material roll support devices, and each of its leading ends is held by the filter material leading end holding device. Then, when the operation is started, the filter medium front end holding device holding the front end of the band-shaped filter medium in advance by the positioning device is made to correspond to a predetermined position (filter medium feeding position) on the processing device side,
The leading end side of the strip-shaped filter medium held by the filter medium tip-end holding device is fed to the winding section of the filter medium winding device, where the strip-shaped filter medium is wound by a predetermined length around the core. Next, in a state where the winding operation is stopped, the band-shaped filter medium continuous with the winding section is cut by the band-shaped filter medium cutting device, and then the positioning device is operated to process the next-ordered filter medium tip holding device. Correspond to the sending position of the device. Next, with both ends of the next strip of filter medium slightly superimposed on the rear end of the previously cut filter medium piece, both ends of the superimposed filter medium are bonded by a double-sided bonding device. Then, in the same manner, an operation of winding the pre-band filter medium by a predetermined length, an operation of cutting the pre-band filter medium, and an operation of cutting the next pre-band filter medium piece at the rear end of the cut pre-filter medium piece. The operation of adhering the tip portion is performed as many times as necessary, and after winding and cutting of the last type of band-shaped filter medium, one cycle is completed by discharging the cored cylindrical filter having been wound up. . In addition, in this cylindrical filter manufacturing device,
The above operations are sequentially and automatically performed to enable continuous operation. The invention according to claim 4 of the present invention is directed to the cylindrical filter manufacturing apparatus according to claim 3, wherein a plurality of processing devices are installed on the rotary table, and each raw roll support device is connected to the rotary table. It is characterized in that each processing device can be sequentially circulated to a position where it can receive the band-shaped filter medium from each raw material roll by rotating the rotary table while dispersing and disposing them around.

Further, in the cylindrical filter manufacturing apparatus according to the fourth aspect, the manufacturing method according to the second aspect can be performed.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cylindrical filter manufacturing method and a cylindrical filter manufacturing apparatus according to an embodiment of the present invention will be described below with reference to FIGS.

FIG. 3 is a schematic view showing a method of manufacturing a cylindrical filter according to the embodiment of the present invention. In this embodiment, as shown in FIG.
The rolls P ₁ , P _2, ... P _n are arranged at a maximum of 12 rolls.
The filter media Q ₁ , Q _2, ... Q _n can be used. Note that Kakuhara roll P _1, P ₂ ·· P _n is band filter medium Q ₁ having different mesh (coarse density) in each nonwoven fabric, Q ₂ · · Q _n are wound. The width of each band-shaped filter medium may be as long as one product (the cylindrical filter S in FIG. 1), but a plurality of (for example, 2 to 4 times) product lengths are used. Alternatively, the product may be cut by a product size after being wound on a long roll.

In the method of manufacturing a cylindrical filter according to this embodiment, as shown in FIG. 3, each of the material rolls P ₁ , P ₂
· Each strip filter media Q ₁ fed from the P _n, Q ₂ ... Q those fine mesh in _{n (Q 1 → Q 2 ··} → Q n) from turn winding core T of each of its distal end, The wound band-shaped filter medium is sequentially cut by a predetermined length, and the cut filter medium pieces R ₁ ,
While the rear end portion of the R ₂ · · the distal end portion of the band-shaped filter medium Q ₂ ·· Q _n follows the order is adhered (bonded portion U) gradually wound on the core T,
Most mesh coarse filter medium piece R _n in the filter medium to be used to produce a tubular filter S so as to be positioned in the outermost layer. The core T is preferably a mesh-shaped cylindrical core made of a synthetic resin. However, for example, the core (air shaft) may be extracted after winding using an air shaft.

FIGS. 5 to 7 show a cylindrical filter manufacturing apparatus according to an embodiment of the present invention. In this embodiment, as shown in FIGS. 4 and 5, a first to a fourth sheet rolls each having a set of three raw roll support devices 10, 10, 10 at an angle of 90 ° outside the rotary table 9. While the raw roll stations A to D are provided, the first to fourth rolls are also provided on the rotary table 9 at the same angle of 90 °.
Are installed.

The rotary table 9 is rotated by 90 ° at a time by a rotating device (not shown). Therefore, each time the rotary table 9 rotates once, the four processing devices 1, 1 installed thereon are rotated.
Are displaced by 90 ° each. The position where the first material roll station A is located is a start position at which winding of the cylindrical filter is started, and the position where the fourth material roll station D is located is an end position for winding.

First to fourth raw material roll stations A
To D, each of which is provided with three material roll support devices 10, 1
5 and 6, the turrets 0 and 10 have two turret type support portions 11 and 12, respectively. The material roll mounted on one support 11 is the use side, and the material roll P ′ to be used next is mounted on the other support 12. Incidentally, for the backup if the filter medium of the original fabric roll P _1, P ₂ ·· P _n use side vanishes support part 1
The second material roll P 'is moved to the use position.

[0023] Kakuhara from roll station A~D Kakuhara roll P ₁ which is supported by the master roll supporting device 10, 10 ... in, P ₂ ·· P _n, band filter medium respectively Q _1, Q
₂ ·· Q _n has been paid out. And each band-shaped filter medium Q
Each tip of the _1, Q ₂ ·· Q _n are respectively held by the filter medium tip holding device 4 at the outer peripheral vicinity of the rotary table 9 as shown in FIGS.

Each of the filter medium tip end holding devices 4, 4, 4 has a pair of upper and lower feed rolls 41, 42, respectively. The filter medium tip end holding device 4 composed of a pair of feed rolls 41 and 42 is provided with a vertical interval between a pair of left and right rocking plates 43 in the first to fourth raw roll stations A to D. They are installed in pairs.

As shown in FIG. 7, the pair of left and right swing plates 43 can swing up and down about a shaft 44. The three filter medium tip holding devices 4, 4, 4 are installed at the tip of the rocking plate 43 at the same distance from the shaft 44. Therefore, even if the swinging plate 43 swings up and down, the filter medium tip end holding devices 4, 4, and 4 face the feeding positions to the processing devices 1, 1,... At equal intervals. Has become.

The upper and lower feed rolls 41, 42 constituting the filter medium tip end holding devices 4, 4, 4 are close to each other.
The separating device (for example, an air cylinder) 45 can be displaced between a position where the two rolls are joined (for example, the state in FIG. 8) and a position where the two rolls are separated (for example, the state in FIG. 9).

The swing plate 43 is swung up and down by the air cylinder 5. The air cylinder 5 serves as a positioning device in the scope of the present invention, and an air cylinder that expands and contracts in two steps is used. Then, by expanding and contracting the air cylinder 5, the filter medium tip end holding devices 4, 4, and 4 at the upper and lower three positions are respectively processed by the processing devices 1, 1,.
It can be adapted to the feeding position of the band-shaped filter medium to the side. Note that, in another embodiment, a rotation unit such as a gear may be employed as the positioning device instead of the air cylinder 5. Further, in another embodiment, each of the filter medium tip end holding devices 4, 4, 4 is provided at an immovable fixed position, and a device that displaces the processing device 1 up and down as the positioning device 5 is adopted. Can also.

Each of the processing devices 1, 1... Is provided with a filter material winding device 2, a band-shaped filter material cutting device 6, and a bonding device 7 at both ends.

The filter take-up device 2 has first and second take-up rolls 21 and 22, and a press roll 23. First
The take-up roll 21 and the second take-up roll 22 are arranged vertically. The presser roll 23 approaches the valley between the two winding rolls 21 and 22 (the winding portion E) by the swing arm 24.
It can be swung in the separating direction.

A touch roll 25 is provided above the first winding roll 21. Between the first winding roll 21 and the touch roll 25, a net cutting device 8 for cutting a band-shaped net N described later is provided. The net cutting device 8 has a cutting blade 81 provided on the first winding roll 21 side and a receiving groove 82 provided on the outer peripheral surface of the touch roll 25. The cutting blade 81 can be freely protruded and retracted from the outer peripheral surface of the first winding roll 21 by a mechanism (not shown). The first
The cutting blade 81 on the take-up roll 21 side and the receiving groove 82 on the touch roll 25 side come into contact with each other each time both rolls 21 and 25 make one rotation. The cutting blade 81 is normally immersed inward from the outer peripheral surface of the first winding roll 21 as shown in FIGS.
As shown in FIG. 17, the cutting edge protrudes from the outer peripheral surface of the take-up roll to cut the strip net N sandwiched between the two rolls 21 and 25.

[0031] The inlet portion of the processing apparatus 1, the strip filter medium cutting device for cutting each belt-like filter media _{Q 1, Q 2 ·· Q n} 6
Is provided. The band-shaped filter medium cutting device 6 includes a blade 6
1 can be operated up and down. Note that a receiving blade 62 is provided below the blade 61.

The processing apparatus 1 includes a band-shaped filter medium cutting apparatus 6.
At both ends of the filter media at a position immediately adjacent to the back side of the filter medium. In this embodiment, a device in which a filter material (nonwoven fabric) is thermally bonded by a heater 71 is used as the both-end bonding device 7. The heater 71 is preferably as narrow as possible.

Below the filter take-up device 2, a belt-like net N
Is installed on the net roll M. As shown in FIG. 3, each of the net rolls M has a filter material piece R ₁ , R _2.
With the cradle R _n, also the reinforcing material of the manufactured tubular filter S. Then, the band-shaped net N from the net roll M is guided to the winding section E through the space between the first winding roll 21 and the touch roll 25. In addition, this band-shaped net N can be used in other embodiments, and the cylindrical filter S can be manufactured using only the filter material pieces R ₁ , R _2, ..., R _n .

At a start position above the rotary table 9 (a position corresponding to the first raw material roll station A), a core T is supplied to the winding section E of each processing apparatus 1 circling there. A core supply device 3 is provided. The core supply device 3 receives the cores T one by one from the core holder at the upper position, and reaches the winding unit E (the winding unit E between the two winding rolls 21 and 22) as shown by the arrow F in FIG. The core T can be supplied to the winding section E by moving down. The core supply device 3 may be provided for each of the processing devices 1, 1...

Each of the processing devices 1, 1,...
A discharge conveyor 13 is provided for receiving and discharging the cylindrical filter S that has been fully wound with. The discharge conveyor 13 may be installed only at the start position where the first material roll station A is located, or only at the end position where the fourth material roll station D is located.

Next, a method for manufacturing a cylindrical filter using the above-described apparatus for manufacturing a cylindrical filter will be described with reference to FIGS.
This will be described with reference to FIG. As preparation before operation, Kakuhara roll supporting device 10, 10 Kakuhara roll P ₁ that is supported on ··, P ₂ ·· P _n from each strip filter media Q _1,
Q ₂ ... by Q _n the Repetitive out keep each are held to their respective distal portions each filter medium tip holding device 4, 4 ·· of Kakuhara roll station to D. Although this can be used twelve original fabric roll having different kinds at maximum in embodiments, (the number of used filter media strips _{R 1, R 2 ·· R n} ) raw number of used roll can be arbitrarily set. Then, at the start operation, as shown in FIG. 7, the bottom of the filter medium tip of the filter medium tip holding device 4 (the first original fabric roll station A holding the tip of the band-shaped filter medium to Q ₁ first order The holding device 4) is made to correspond to the sending position of the corresponding processing device (for example, the first processing device 1). When using the belt-like net N,
As shown in FIG. 18, the leading end side of the belt-like net N fed from the net roll M is guided to the winding section E through the space between the touch roll 25 and the first winding roll 21.

When operation is started from this state,
First, the core T held by the core supply device 3 is indicated by an arrow F (FIG. 1).
8), the feed rolls 41 and 42 of the filter medium tip end holding device 4 in the first order are driven to the feeding side and the processing device 1A as shown in FIG. each of the side roll (touch roll 25, Ryomakito rolls 21 and 22, the pressing roll 23) is driven in the take-up, the tip portion of the band-shaped filter medium to Q ₁ first order is the touch roll 25 first winding roll Sent between 21.

Immediately after that, as shown in FIG. 9, both feed rolls 41 and 42 of the first-order filter medium tip holding device 4 are separated from each other, and the belt-like filter medium Q ₁ is tensioned. ₁ of the tip side is incorporated fed to leave the winding unit E is mounted on the belt-like net N, where the distal end side of the belt-shaped filter medium Q ₁ is wound around the core T with strip net N.

[0039] When winding the distal end side of the band-shaped filter medium to Q ₁ first order around a predetermined by the length core T, the winding operation of the processing apparatus 1 is stopped, the filter medium tip had and is released after clamping the strip filter medium Q ₁ at each feed rolls 41, 42 of the holding device 4, cutting the belt-like filter medium to Q ₁ first sequentially knives 61 of the belt-like filter medium cutting device 6 is moved downward as shown in FIG. 10 .

Next, the air cylinder (positioning device) 5 shown in FIG. 7 is reduced to the first stage, and the filter material tip holding device 4 in the second order is moved to the feeding position of the processing device 1 as shown in FIG. To correspond to.

Next, as shown in FIG. 12, the second order filter medium tip holding device 4 (each feed rolls 41, 42) by a bit driving, previously the leading edge of the strip-shaped filter media Q ₂ of the second order the rear end portion of the cut filter medium piece R ₁ by slightly polymerized so is stopped, followed by downward heater 71 at both ends bonding device 7 as shown in FIG. 13, the heat-bonding the polymer end portions Let it. Thereafter, as shown in FIG. 14, the second-order filter medium distal end holding device 4 is released, and thereafter, similarly, an operation of winding the band-like filter medium on the forward side by a predetermined length (an operation similar to FIG. 9),
Operation for cutting the forward band filter medium (operation similar to FIG. 10)
And the operation of associating the next (the third order shown in FIG. 15) filter medium tip end holding device 4 with the feeding position of the processing device 1 (FIG. 1).
1), an operation of superimposing the leading end of the next strip of filter material on the rear end of the cut pre-filter material piece (operation similar to FIG. 12), and an operation of thermally bonding both superposed ends (FIG. 13). , FIG.
4 and similar operations), the operation and to take up the third distal end side of the band-shaped filter medium Q ₃ of the order as shown in FIG. 15, when cutting a strip filter medium Q ₃ in strip filter medium cutting device 6 in FIG. 15 Then, the filter material winding operation in the first material roll station A is completed.

Then, the rotary table 9 is turned at an angle of 90 degrees.
°, and filter media pieces R ₁ , R ₂ , R ₃ up to the third order
Is the second raw material roll station B
In the same manner, the filter material pieces in the fourth to sixth orders are added together, and the same operation is performed in the third material roll station C and the fourth material roll station D in the same manner. the last of the belt-shaped filter media Q _n, as shown in 16
Cutting the filter medium piece R _n from the followed after wound on the core side to indicate the rear end of the filtrate material pieces R _n in FIG. 17, a cylindrical filter S from the winding unit E as shown in FIG. 18 Discharge conveyor 13
If discharged upward, a series of manufacturing processes is completed. After the cylindrical filter S is discharged from the winding unit E, a new core T is supplied to the empty winding unit E, and the next winding operation is continuously performed.

In this embodiment, three types of filter media pieces (R ₁ , R ₂ ,
R ₃ ), the rotary table 9 is turned at an angle 90
At the same time that the second material roll station B starts the winding operation of the next filter medium piece (R ₄ , R ₅ , R ₆ ) at the same time.
Subsequent processing equipment 1 at the first material roll station A
, And the first to third filter media pieces (R ₁ , R ₂ ,
R ₃₎ winding operation is performed in the same manner so as to take the four filter media pieces R ₁ simultaneously Kakuhara roll station A~D by the processing device 1,1 ··, R ₂ ·· up the R _n ing. Therefore, in each of the material roll stations A to D, each of the processing devices 1, 1,... Performs a winding operation on any of the material rolls, and the winding standby time of each material roll is reduced. .

[0044]

Each invention of the present application has the following effects. According to the method for manufacturing a cylindrical filter according to the first aspect of the present invention , the first filter medium piece R ₁ is wound around the core T in a state of a band-shaped filter medium Q ₁ continuous with the raw roll P _1. After that, each piece of the filter medium (R ₂ ... R _n ) in the subsequent order is cut into a raw material roll (P _2.
In the state of the band-shaped filter medium (Q ₂ ... Q _n ) continuous with (P _n ), the front end is adhered to the rear end of the previously wound filter medium piece. It is handled in a continuous state (stable state) on either side of the raw roll. Therefore, even if they so as to form a plurality of filter medium pieces R _1, R ₂ ·· R _n by winding a tubular filter S, becomes easy to handle the filter medium pieces, thereby and improve the production efficiency And an effect that automation can be achieved. Advantageous Effects of the Invention of Claim 2 In the method for manufacturing a cylindrical filter according to the invention of Claim 2, in addition to the effect of Claim 1, after a plurality of winding portions simultaneously wind a filter medium piece at a predetermined position. Since each winding unit moves to the next position and simultaneously winds the next filter medium piece there, the winding standby time of each material roll (each band-shaped filter medium) is shortened,
There is an effect that manufacturing efficiency is further improved. Effect of the Invention of Claim 3 In the cylindrical filter manufacturing apparatus of the invention of claim 3 of the present application, a plurality of raw material roll supporting devices 10, 10,... And a processing device 1 (filter material) for winding each filter material piece into a roll shape It has a winding device 2, a core supply device 3, a band-shaped filter medium cutting device 6, and a bonding device 7 at both ends) and a filter medium front end holding device 4 for holding the front end of each band-shaped filter medium unwound from each material roll. , 4... And a positioning device 5 for positioning the front end of each band-shaped filter medium held by each of the filter medium front end holding devices 4, 4. This has the effect that the manufacturing method of claim 1 can be performed automatically and continuously. According to the third aspect of the present invention, in the cylindrical filter manufacturing apparatus according to the third aspect of the present invention, a plurality of processing apparatuses 1, 1... the roll support device 10, 10 ... while dispersedly arranged around the rotary table 9, by rotating the rotary table 9, each processing unit 1, 1 sequentially each raw roll ... P _1, P ₂ since as capable of cyclically in a strip filter medium Q _1, Q ₂ · · may receive the Q _n positions from · · P _n, there is an effect that it is possible to perform the manufacturing method of the claim 2.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cylindrical filter targeted in an embodiment of the present application.

FIG. 2 is an explanatory view of a conventional method for producing a cylindrical filter.

FIG. 3 is a schematic explanatory view of a cylindrical filter manufacturing method according to the embodiment of the present application.

FIG. 4 is a schematic perspective view of a cylindrical filter manufacturing apparatus according to the embodiment of the present application.

FIG. 5 is a plan view of the cylindrical filter manufacturing apparatus according to the embodiment of the present application.

FIG. 6 is a partial side view of FIG. 5;

FIG. 7 is a partially enlarged view of FIG. 6;

8 is an operation explanatory view of the cylindrical filter manufacturing apparatus of FIG.

FIG. 9 is a state change diagram from FIG.

FIG. 10 is a state change diagram from FIG.

FIG. 11 is a state change diagram from FIG.

FIG. 12 is a state change diagram from FIG.

FIG. 13 is a state change diagram from FIG.

14 is a state change diagram from FIG.

FIG. 15 is a state change diagram from FIG.

FIG. 16 is a state change diagram from FIG.

FIG. 17 is a state change diagram from FIG.

18 is a state change diagram from FIG.

[Explanation of symbols]

1 is a processing device, 2 is a filter medium take-up device, 3 is a core supply device,
4 is a filter medium tip holding device, 5 is a positioning device (air cylinder), 6 is a strip-shaped filter material cutting device, 7 is a bonding device at both ends, 9 is a rotary table, 10 is a raw roll support device, and A to D are 1st to 4th web roll stations,
E is a winding section, M is a net roll, N is a strip net, P is a raw roll, Q is a strip filter medium, R is a piece of filter medium, S is a cylindrical filter, and T is a core.

Claims (4)

[Claims] A cylindrical filter formed by winding a plurality of filter material pieces (R ₁ , R _2, ... R _n ) of different types made of non-woven fabric into a cylindrical shape in a state where each piece is continuous by an arbitrary length. a manufacturing method, each type of band filter medium _{(Q 1, Q 2 ·· Q} n) each original fabric roll by winding the _{(P 1, P 2 ·· P} n) from the respective band-shaped filter medium (Q ₁ , Q ₂ ... Q _n ) are guided to the vicinity of the winding section (E), and the leading end of the band-shaped filter medium (Q ₁ ) is moved forward of the core (T) at the winding section (E). was taken up by a predetermined length around its tip end of the previous order band filter medium (Q ₁₎ is cut at a predetermined length position, the following order of the rear end portion of the cut above order filter medium piece (R ₁₎ to adhere the tip of the band filter medium (Q _2), the following Similarly, a winding step of winding the belt-like filter material of the previous order side by a predetermined length, the cutting step of the previous order side band filter medium, cut above order Performs the required number and bonding step of bonding the tip portion of the band-shaped filter medium of the next order of the rear end portion of the wood piece, the last type of strip filter media (Q
_n ) after winding and cutting, the cut edge is wound around the core (T) side, a method for manufacturing a cylindrical filter. 2. A roll according to claim 1, wherein the winding rolls (E) are provided at a plurality of positions, and each of the material rolls (P ₁ , P ₂ ... P _n ).
Are distributed and arranged at positions corresponding to the respective winding portions (E, E ..), and the respective winding portions (E, E ..) are sequentially arranged in the respective material rolls (P ₁ , P ₂ ... P _n). ) Filter material (Q ₁ , Q ₂ ...)
A cylindrical filter characterized in that each winding portion (E) sequentially winds each filter medium piece (R ₁ , R ₂ ... R _n ) while circulating to a position where Q _n ) can be received. Manufacturing method. 3. A plurality of different types of filter media pieces made of non-woven fabric.
(R₁, R_Two..R_n) Is continuous by arbitrary length
Of a cylindrical filter wound in a cylindrical shape
Manufacturing equipment, each type of band-shaped filter medium (Q₁, Q_Two..Q_n) Wound each
Material roll (P₁, P_Two..P_n) Each supporting
Number of web roll support devices (10,10 ...) and each web
Roll (P₁, P_Two..P_n) Each belt-shaped filter medium fed from)
(Q₁, Q_Two..Q_n) To form a cylindrical filter (S)
Processing device (1) and each material roll (P₁, P_Two..P
_n) From each belt-shaped filter medium (Q₁, Q_Two..Q_n) Ahead
Hold the ends immediately before the processing device (1) respectively
Each filter medium tip holding device (4,4 ...) and each filter medium tip
The tip of the band-shaped filter medium held by the holding device (4, 4 ...)
To a position where it can be sent to the processing device (1) side
And an alignment device (5), and the processing device (1) further includes a filter medium around the core (T).
Piece (R₁, R_Two..R_n) Filter media take-up device
(2) and a core in the winding section (E) of the filter medium winding device (2).
A core supply device (3) for supplying (T);
Between the holding device (4) and the filter medium winding device (2)
(Q₁, Q_Two..Q_n) Band filter media cutting device for cutting
(6) and the cut filter material pieces (R₁, R_Two・ ・) Rear end
And the next band filter medium (Q _Two..Q_n)
An apparatus for manufacturing a cylindrical filter, comprising: 4. The method according to claim 3, wherein the plurality of processing devices (1) are installed on a rotary table (9).
Each material roll support device (10, 10,...) Is dispersed and arranged around the rotary table (9), and the processing device (1, 1,...) Is rotated by rotating the rotary table (9). To each of the raw rolls (P ₁ , P _2.
· P _n) band filter medium from _{(Q 1, Q 2 ·· Q} n) apparatus for producing a cylindrical filter characterized in that as capable of cyclically to receive obtain positions.