KR20210000867A - multi slitting machine - Google Patents

Abstract

The present invention relates to a slitter and, more specifically, to a slitter having ring-shaped knife cutting and ultrasonic cutting functions, capable of cutting a supplied fabric by using a ring-shaped knife or ultrasonic waves depending on the type of fabric. According to the present invention, the slitter having ring-shaped knife cutting and ultrasonic cutting functions includes: support plates provided vertically on both sides; a rotary roller having both ends axially coupled with the support plates; a connection bar fixed to both ends of the rotary roller to protrude forward; a top roller installed at the front end of the connection bar to be rotated; a plurality of ring-shaped knives fixed to the top roller at a distance; a bottom roller having both ends axially coupled with the support plates to be rotated and provided in a lower part of the top roller; a plurality of ring-shaped dies installed on the bottom roller and arranged in correspondence with the knives to cut a fabric by coming in contact with the knives when the top roller is lowered; a rotary means rotating the rotary roller such that the top roller moves toward or away from the bottom roller; a horizontal supporter having both ends fixed to the support plates; a lifting plate located in an upper part of the supporter to be lifted and lowered by a cylinder; a horn protruding to an upper part of the lifting plate to generate ultrasonic vibrations; a prop installed horizontally in an upper part of the lifting plate, forming a long through hole in the center such that the top of the horn is inserted thereinto, and supporting the fabric; and a knife located closely to the top of the horn to cut the fabric supplied to an upper part of the horn.

Description

Slitter machine capable of cutting circular knife and ultrasonic cutting {multi slitting machine}

The present invention relates to a slitter machine, and more particularly, to a slitter machine capable of cutting a circular knife and ultrasonic cutting capable of cutting a fabric using an annular knife or using ultrasonic waves according to the type of fabric supplied.

In general, a slitter is a device used to cut a film, paper, or packaging material into a desired width. Such a slitter machine is a feed roller on which the material is wound; A guide roller for guiding the material installed on the feed roller; A top coat roller provided with a knife for cutting the material guided by the guide roller; A lower coat roller provided corresponding to the lower portion of the upper coat roller to partially insert a knife of the upper coat roller and cut the material by a slot in close contact; A rotating roller that separates the upper coat roller from the lower coat roller; A connecting rod connecting the rotating roller and the top roller; Consists of

With such a structure, the upper coat roller is spaced apart from the lower coat roller by the rotation roller and the connecting rod and does not interfere, so that the number of knives can be increased or decreased.

However, when the supplied fabric is made of cloth or mesh, there is a problem in that swelling or threading occurs in the cut portion. In this case, if a separate ultrasonic slitter is used, a clean cut surface can be obtained without swelling, but there is a problem in that the purchase cost and installation place must be secured as a separate ultrasonic slitter is prepared.

KR Registered Patent Publication No. 10-0327315 (2002.02.22) KR Registered Patent Publication No. 10-0485380 (2005.04.16)

The present invention was invented to solve the problems as in the prior art, and an annular shape capable of cutting by selecting a cutting method according to the supplied fabric by installing a horn that generates vibration in a shear type slitter using a type of annular knife. It is an object of the present invention to provide a slitter machine capable of knife cutting and ultrasonic cutting.

The slitter machine capable of cutting an annular knife and ultrasonic cutting according to the present invention for achieving the above object,

Support plates provided vertically on both sides;

Rotating rollers having both ends axially coupled to the support plate; Connecting rods fixedly installed to protrude forward at both ends of the rotating roller;

Top coat roller installed to rotate at the tip of the connecting rod;

A plurality of annular knives fixedly installed at intervals on the top coat roller;

A lower coat roller having both ends axially coupled to the support plate to rotate and provided under the upper coat roller;

A plurality of annular dies installed on the lower coater roller and arranged to correspond to the knife to cut the fabric by contacting the knife when the upper coater roller descends;

A rotating means for rotating the rotating roller so that the upper coating roller is close to or spaced apart from the lower coating roller;

A horizontal support having both ends fixed to the support plate;

An elevating plate located on the upper portion of the support and elevating by a cylinder;

A horn protruding from the top of the elevating plate to generate ultrasonic vibrations;

A support horizontally installed on the upper part of the elevating plate and forming a long through hole in the center so that the upper end of the horn is inserted and the supplied fabric is supported; And

A knife positioned closely at the top of the horn to cut the fabric supplied to the top of the horn; It characterized in that it includes.

In addition, the knife is fixedly installed on the knife holder,

The knife holder,

Fixed rods installed horizontally between the supports;

The insertion hole is formed through the lateral direction so that the fixing rod is inserted into the insertion hole so that it can be moved and fixed in the lateral direction along the fixing rod, and the fixing hole is vertically penetrated to form a bracket into which a knife is inserted and fixed; Characterized by consisting of.

In addition, the rotation means,

A rotating table fixed to one end of the rotating roller and rotating like a rotating roller;

A cylinder having one end connected to the support plate and the other end connected to the rotating table; It is characterized by consisting of.

The slitter capable of cutting circular knife and ultrasonic cutting according to the present invention selects and uses a desired method among circular knife cutting method or ultrasonic cutting method according to the type of fabric supplied, so that the cut surface is always clean, good product regardless of the type of fabric. There is an effect that can produce.

In addition, since cutting using an annular knife and cutting using ultrasonic waves are possible in one slitter machine, there is no need to provide devices for each type of fabric, so that the device purchase cost is low and there is no need to provide a separate space.

In addition, in the case of using the ultrasonic method, space is secured by separating the upper roller with the annular knife from the lower roller, and in the case of using the annular knife method, the space is secured by lowering the elevating plate with the horn. There is an effect that the work is possible.

1 is a perspective view showing the structure of a slitter according to the present invention.
Figure 2 is a front view showing the structure of the slitter according to the present invention.
3 is a plan view showing the structure of a slitter according to the present invention.
Figure 4 is a side view showing a state in which the annular knife method according to the present invention is used.
Figure 5 is a perspective view showing a state in which the annular knife method according to the present invention is used.
Figure 6 is a front view showing the knife assembly structure of the slitter according to the present invention.
7 is a perspective view showing the structure of the connecting rod and clamp according to the present invention.
Figure 8 is a perspective view showing a state in which the ultrasonic cutting method according to the present invention is used.
9 is a side view showing a state in which the ultrasonic cutting method according to the present invention is used.
10 is a cross-sectional view showing the structure of the knife holder according to the present invention.

Hereinafter, a preferred embodiment of a slitter capable of cutting an annular knife and ultrasonic cutting according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a perspective view showing the structure of the slitter according to the present invention, Figure 2 is a front view showing the structure of the slitter, Figure 3 is a plan view showing the structure of the slitter, Figure 4 is a circular knife method used 5 is a perspective view showing a state in which an annular knife method is used, FIG. 6 is a front view showing a knife assembly structure of a slitter, and FIG. 7 is a perspective view showing the structure of a connecting rod and a clamp, 8 is a perspective view showing a state in which the ultrasonic cutting method is used, FIG. 9 is a side view illustrating a state in which the ultrasonic cutting method is used, and FIG. 10 is a cross-sectional view illustrating the structure of a knife holder.

As shown in these drawings, the slitter machine for easy knife replacement according to the present invention includes a support plate 10 provided vertically on both sides; A rotation roller 20 having both ends axially coupled to the support plate 10; Connecting rods 30 fixedly installed to protrude forward at both ends of the rotation roller 20; Top coat roller 40 installed to rotate at the tip of the connecting rod 30; A plurality of annular knives 41 fixedly installed at intervals on the top coat roller 40; Both ends of the support plate 10 are axially coupled to rotate and the lower roller 50 provided under the upper coat roller 40; A plurality of annular dies 51 installed on the lower coat roller 50 and arranged to correspond to the annular knife 41 so as to contact the annular knife 41 when the upper coat roller 40 descends to cut the fabric; A rotation means 25 for rotating the rotation roller 20 so that the upper coat roller 40 is close to or spaced apart from the lower coat roller 50; A horizontal support 60 fixed to the support plate 10 at both ends; An elevating plate 61 which is located on the upper part of the support 60 and is elevated by the cylinder C; A horn 70 protruding above the elevating plate 61 to generate ultrasonic vibrations; A support 62 installed horizontally on the upper part of the elevating plate 61 and forming a through hole in the center so that the upper end of the horn 70 is inserted and supporting the supplied fabric; And a knife 80 positioned closely at the top of the horn 70 to cut the fabric supplied to the horn 70. Includes.

The support plate 10 is a part constituting the main body and is made of a vertical plate body, and is installed parallel to each other on both sides at predetermined intervals.

The rotating roller 20 has a structure in which both ends are axially coupled to both support plates 10 to rotate. A shaft hole is formed in the support plate 10, and a bearing housing 11 is installed in the shaft hole, and the rotation roller 20 is inserted and fixed into a bearing inner ring built in the bearing housing 11, thereby smoothly rotating.

The connecting rod 30 is installed at both ends of the rotating roller 20 and has a long rod shape. The rear end of the connecting rod 30 is fixedly installed on the rotating roller 20, forming a'C'-shaped mounting groove 31 opened upward at the rear end of the connecting rod 30, and a mounting groove in the rotating roller 20 Surface treatment to correspond to (31) so that surface contact is made. And by fastening the cover 32 closing the upper surface of the mounting groove 31, the rotation roller 20 and the connecting rod 30 are integrated and rotated together. Here, both connecting rods 30 always maintain a parallel state.

The top roller 40 is installed to rotate at the front ends of both connecting rods 30, and one end is mounted on one connecting rod 30 by a two-axis housing 60, and the other end is mounted on the other connecting rod 30 by a clamp 34. 30). The top roller 40 is smoothly rotated by installing bearings (B) at both ends.

The biaxial housing 35 is divided into an upper body 35a and a lower body 35b, the upper body 35a is fixedly installed on one side connecting rod 30 by bolts, and the lower body 35b is an upper body It is built vertically from (35a) and can be rotated. And the lower body (35b) forms a horizontal shaft hole, one end of the top coat roller 40 is fitted and coupled. Therefore, the top coat roller 40 is idle from the two-axis housing 35.

The clamp 34 is installed at the front end of the other connecting rod 30, and has a'U'-shaped open groove 33 open to the front end of the connecting rod 30, and a hinge at the lower end of the open groove 33 The cover (34a) is coupled to rotate and has an open groove (34b) at the end of the rotation, and is hinged to the upper end of the open groove (33) to rotate and inserted into the groove (34b) of the cover (34a) in the longitudinal direction. It consists of a fastener (34c) to tighten the cover (34a) as it is transferred to. Here, the fasteners 34c are made of two bodies, are helically coupled to each other, are transported in the longitudinal direction according to the rotation direction, and pressurized and tightened the cover 34a.

The upper coat roller 40 can be rotated laterally from the twin shaft housing 35 by the two shaft housing 35 and the clamp 34, and its end is selectively mounted and detached by the clamp 34. do.

The top coat roller 40 is provided with a plurality of annular knives 41. The annular knife 41 is formed in a disk shape with a shaft hole formed in the center, and is fixedly installed on the top coat roller 40 by a fixing plate 42. The fixed plate 42 is made in a ring shape, and an incision groove 43 is formed on one side, so that the inner diameter expands and contracts as the incision groove 43 opens and narrows, and the incision groove 43 is tightened or spread. Tightening screws 44 are installed. By this fixing plate 42, the annular knife 41 is fixedly installed at the designed position.

The lower coat roller 50 is installed so that both ends are axially coupled to the support plate 10 to rotate, and is provided under the upper coat roller 40. A plurality of spacers 52 and die 51 are repeatedly installed on the primer roller 50. The die 51 is formed in a cylindrical shape and has one end having a reduced diameter so that a slot 53 into which the annular knife 41 is inserted when in close contact with the spacer 52 is formed. The die 51 is installed at an interval corresponding to the annular knife 41 of the top coat roller 40, and when the annular knife 41 is lowered, one side of the die 51 is brought into contact, thereby cutting the material by shearing force. Here, the spacers 52 are provided for each length to adjust the spacing of the dies 51.

And when the upper roller 40 and the lower roller 50 are fitted with gears G that engage with each other, the upper roller 40 descends and when both gears G are engaged, the rotational force of the lower roller 50 is reduced to the upper roller ( 40) is transmitted and rotates in different directions.

Accordingly, the raw material passes between the upper coat roller 40 and the lower coat roller 50 and is cut by the annular knife 41 and the die 51.

The rotating means 25 is fixed to one end of the rotating roller 20 and rotated like the rotating roller 20; A cylinder 25b having one end connected to the support plate 10 and the other end connected to the rotating table 25a; Consists of Here, the rotation table 21 has an elongated plate shape and is installed outside the support plate 10 and integrated with the rotation table 21 to rotate together. This rotation table 21 is installed in the upward direction from the rotation roller 20.

Therefore, the upper roller 40 is raised or lowered by the connecting rod 30 connected thereto while rotating the rotary table 25a and the rotary roller 20 by the drive of the cylinder 25b to be close to or separated from the lower roller 50 do.

The support 60 is formed in a horizontal plate shape, and both ends are bolted to the support plate 10 to be fixed. A horizontal elevating plate 61 is provided on the upper part of the support 60. The elevating plate 61 is elevated and lowered by a cylinder C fixed to the support 60. That is, the cylinder (C) is fixed to the lower portion of the support (60), the cylinder rod is fixed to the elevating plate (61) through the support (60). Accordingly, it is raised or lowered by the drive of the cylinder C. Here, the support 60 is provided with a vertical guide 67, and on the bottom of the elevating plate 61, a support bar 68 inserted in correspondence to the guide 67 is formed to protrude vertically to the elevating plate 61. Make sure that it rises and falls stably.

The horn 70 generates ultrasonic vibration, and is fixedly installed on the upper part of the elevating plate 61, which is fixed and released by the fastening bolt 66 and can move in the lateral direction from the elevating plate 61. It is fixed to the transfer plate 65.

The horn 70 has a wide upper portion and a narrow upper portion, and forms a through hole in the front-rear direction to rapidly dissipate heat generated during vibration, and the upper end of the horn 70 is formed in a flat surface.

The pedestal 62 is formed in a plate shape, and is horizontally installed on the top of the elevating plate 61, and is fixed in parallel from the elevating plate 61 by a plurality of spacers 64 at a predetermined interval. . In addition, the through hole 63 is formed long in the left and right direction in the center so that the upper end of the horn 70 is inserted. Here, it is preferable that the upper surface of the horn 70 is located on the same surface as the upper surface of the pedestal 62. As the fabric passes to the upper portion of the pedestal 62, it is supported.

The knife 80 is positioned above the pedestal 62 and its end is closely positioned with the horn 70 to cut the passing fabric by repeated contact with the ultrasonically vibrating horn. Here, the knife 80 is fixedly installed on the knife holder 90.

The knife holder 90 has a fixing rod 91 that is horizontally installed between the support 60 and the insertion hole 93 is formed through the lateral direction so that the fixing rod 91 is inserted into the insertion hole 93 It consists of a bracket 92 that can be movable and fixed in the lateral direction along the fixing rod 91, and a holder 94 provided under the bracket 92 to fix the knife.

The bracket 92 is composed of a vertical portion 92a and a horizontal portion 92b, and an insertion hole 93 is formed through the vertical portion 92a in the lateral direction to be inserted into the fixing rod 91, and the horizontal portion In (92b), a pair of guide rods 92c are formed vertically in parallel at the lower portion thereof, and a stopper 92d is installed at the ends thereof.

In the holder 94, a pair of slide holes 94a corresponding to the guide rod 92c is formed, and a fixing hole 94b is formed perpendicular to the tip so that the knife 80 is inserted and fixed.

On the other hand, the horizontal portion 92b of the bracket 92 is formed with a mounting hole 92d in which the elevating bolt 95 is mounted, and a screw hole 94c is formed in the holder 94 to form the elevating bolt 95 Make sure that it is fastened. Therefore, by the forward and reverse rotation of the lifting bolt 95, the holder moves up and down along the guide bar 92c. Further, a compression spring 92e is provided between the horizontal portion 92b of the bracket 92 and the holder 94 to separate the holder 94 from the bracket 92.

The effect of the slitter machine capable of cutting an annular knife and ultrasonic cutting according to the present invention having such a structure will be described in detail.

First, in the case of cutting a fabric such as a general film, paper, packaging material, etc., in order to use the annular knife 41, the elevating plate 61 with the horn 70 installed is lowered so that interference does not occur when the fabric is supplied. .

In this state, the upper coat roller 40 is spaced apart from the lower coat roller 50 by using the rotation means 25. That is, when the cylinder (25b) is driven to push the rotating rod (25a), the rotating roller (20) connected thereto rotates, and the connecting rod (30) and the upper coating roller (40) connected thereto rotate around the rotating roller (20) It is spaced apart from the roller 50.

In such a state, the fabric is supplied between the upper coat roller 40 and the lower coat roller 50, and the upper coat roller 40 approaches the lower coat roller 50 by driving the rotation means 25 again, and the annular knife 41 Is in close contact with the annular die 51.

And when the fabric is transferred by driving the feeding roller, the winding roller, the transfer roller, etc., the upper coat roller 40 and the lower coat roller 50 rotate, and the annular knife 41 and the annular die 51 integrated therewith rotate. Cut the fabric between.

Next, if you want to cut fabrics such as fabric or mesh, the elevating plate 61 on which the horn 70 is installed is raised and lowered in order to use the ultrasonic method, and the upper roller 40 is separated from the lower roller 50. So that there is no interference with the fabric.

That is, when the cylinder (C) is driven to raise and lower the elevating plate (61), the horn (70) and the pedestal (62) installed on the elevating plate (61) are raised and lowered, and the knife (80) and the horn (70) located at the top are elevated. ) To fit. The fabric is previously supplied between the horn and the knife 80 so that the fabric is positioned between the knife 80 and the horn 70.

In this state, the feeding roller, the winding roller, the conveying roller, etc. are driven to transfer the fabric, and the horn 70 is driven to generate the supersonic plate vibration, while the horn 70 and the knife 80 vibrate about 20,000 times per second. The fabric is cut by this.

This method can be used by selecting either a circular knife or an ultrasonic method according to the type of fabric, so that all kinds of fabric can be cut with a single machine.

On the other hand, in the case of adjusting the distance between the horn 70 and the knife 80, it is adjusted by rotating the elevating bolt 95 of the knife holder 90. That is, when the lifting bolt 95 is rotated, the holder 94 spirally fastened thereto adjusts the distance with the horn 70 by lifting or descending along the guide rod 92c.

10 support plate 11 bearing housing 20 rotation roller
25: rotation means 25a: rotation table 25b: cylinder
30: connecting rod 31: mounting groove 32: cover
33: open groove 34: clamp 34a: cover
34b: groove 34c: stop tab 35: 2-axis housing
35a: upper body 35b: lower body 40: top roller
41: annular knife 42: fixing plate 43: cut groove
44: tightening screw 50: lower roller 51: die
52: spacer 53: slot 60: support
61: elevating plate 62: base 63: through hole
64 spacer 65 transfer plate 66 tightening bolt
70: horn 80: knife 90: knife holder
91: fixing rod 92: bracket 92a: vertical part
92b: horizontal part 92c: guide rod 92d: mounting hole
93: insertion hole 94: holder 94a: slide ball
94b: fixed hole 95: elevating bolt C: cylinder
G: gear

Claims (3)

Support plates 10 provided vertically on both sides;
A rotation roller 20 having both ends axially coupled to the support plate 10;
Connecting rods 30 fixedly installed so as to protrude forward at both ends of the rotating roller 20;
Top coat roller 40 installed to rotate at the tip of the connecting rod 30;
A plurality of annular knives 41 fixedly installed at intervals on the top coat roller 40;
Both ends of the support plate 10 are axially coupled to rotate, and the lower roller 50 provided under the upper coat roller 40;
A plurality of annular dies 51 installed on the lower coat roller 50 and arranged to correspond to the annular knife 41 so as to contact the annular knife 41 when the upper coat roller 40 descends to cut the fabric;
A rotation means 25 for rotating the rotation roller 20 so that the upper coat roller 40 is close to or spaced apart from the lower coat roller 50;
A horizontal support 60 fixed to the support plate 10 at both ends;
An elevating plate 61 which is located on the upper part of the support 60 and is elevated by the cylinder C;
A horn 40 protruding above the elevating plate 61 to generate ultrasonic vibrations;
A support 62 installed horizontally on the upper part of the elevating plate 61 and forming a long through hole 63 in the center so that the upper end of the horn 70 is inserted and the supplied fabric is supported; And
A knife 80 positioned closely at the upper end of the horn 70 to cut the fabric supplied to the upper horn 70; Slitter machine capable of cutting an annular knife and ultrasonic cutting, comprising a.
The method of claim 1, wherein the knife (80) is fixedly installed on the knife holder (90),
The knife holder (90),
Fixing rods 91 that are horizontally installed between the supports 60;
The insertion hole 93 is formed through the lateral direction so that the fixing rod 91 is inserted into the insertion hole 93, so that it can be moved and fixed in the lateral direction along the fixing rod 91, and the fixing hole 91 is vertically Bracket 92 through which the knife 80 is inserted and fixed; Slitter machine capable of cutting circular knife and ultrasonic cutting, characterized in that consisting of.
The method according to claim 1 or 2, wherein the rotating means (25),
A rotation table 25a which is fixed to one end of the rotation roller 20 and rotates like the rotation roller 20;
A cylinder 25b having one end connected to the support plate 10 and the other end connected to the rotating table 25a; Slitter machine capable of cutting circular knife and ultrasonic cutting, characterized in that consisting of.

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