KR20210040846A - A cutting blade angle control apparatus of cutting machine - Google Patents

Abstract

The present invention relates to a cutting device and, more specifically, to a cutting device having an angle adjustment function for a circular cutter, capable of preventing a circular cutter from being pushed away from a fabric due to the thickness of the circular cutter during the cutting of the fabric, thereby making a cut surface of the fabric straightly flat and preventing the deformation and damage of the circular cutter. According to the present invention, the cutting device having an angle adjustment function for a circular cutter includes: a bed; shaft bearings installed in upper parts of both sides of the bed; a horizontal shaft having both ends supported by the shaft bearings with a roll-type fabric inserted therein; a pair of transverse guide rails provided at the front and rear ends of the bed in parallel with the shaft; a transfer platform transferring the transverse guide rails in a longitudinal direction of the shaft; a work platform installed in an upper part of the transfer platform to be slid in a direction to the shaft; a rotation platform axially combined with the front end of the work platform and installed to be rotatable by an angle adjuster; and a circular cutter vertically installed to be rotated on the rotation platform to cut the fabric inserted in the shaft. According to the present invention, the cutting device having an angle adjustment function for a circular cutter adjusts an angle such that one side of a blade part of the circular cutter becomes orthogonal to the shaft, and then, cuts the fabric, thereby preventing the circular cutter from being pushed away by the fabric, which can lead to the production of good-quality products and the prevention of damage to the circular cutter.

Description

A cutting device capable of adjusting the angle of a circular cutter{A CUTTING BLADE ANGLE CONTROL APPARATUS OF CUTTING MACHINE}

The present invention relates to a cutting device, and more particularly, by preventing the circular cutter from being pushed from the fabric by the thickness of the circular cutter when cutting the fabric, the cutting surface of the fabric forms a flat plane, and deformation and damage of the circular cutter are prevented. It relates to a cutting device capable of adjusting the angle of the circular cutter to prevent.

In general, a cutting device cuts a roll-shaped fabric to a certain width, and is a device that continuously cuts a horizontally installed fabric to a predetermined width by using a vertically rotating circular cutter.

The conventional cutting device includes a bed 1 as shown in FIG. 1A; Bearings (2) installed on both sides of the bed (1); Both ends are fixed to the bearing (2) and the horizontal shaft (3) into which the roll-shaped fabric (F) is fitted; A guide rail 4 installed parallel to the shaft 3 at the front end of the bed 1; A feeder 5 for conveying along the guide rail 4 in the longitudinal direction of the shaft 3; A circular cutter (8) installed to rotate on the transfer (5) and cutting the fabric (F) inserted into the shaft (3) as it advances; Consists of

In such a conventional cutting device, as shown in FIG. 1B, after the circular cutter 8 contacts the outer periphery of the fabric F, it gradually advances and cuts while digging into the fabric F. In this process, the circular cutter 8 A phenomenon in which the cutter 8 is pushed by the cut fabric F occurs. This is because the inclined surface is hardened so that the thickness of the blade portion N formed at the edge of the circular cutter 8 gradually decreases toward the end. That is, the circular cutter 8 is pushed toward the center of the fabric (F) by the angle of the blade portion (N) gradually narrowing, and the cut fabric (F) is full, that is, a phenomenon in which the center portion protrudes. Occurs. The circular cutter 8 is deformed by this repeated operation, and the larger the diameter of the raw material F is, the longer the distance to the center is, so the push phenomenon of the circular cutter 8 increases, so in the end, the circular cutter 8 ) Is damaged and needs to be replaced, and there is a problem that leads to a safety accident.

KR Registered Patent Publication No. 10-1272366 (20163.05.31)

Accordingly, the present invention was invented to solve the problems as in the prior art, by adjusting the angle of the circular cutter so that one side of the inclined blade part is orthogonal to the shaft, thereby preventing the phenomenon that the circular cutter is pushed by the cut fabric. It is an object of the present invention to provide a cutting device capable of adjusting the angle of a circular cutter that can prevent and produce good products with a flat cut surface.

A cutting device capable of adjusting the angle of the circular cutter according to the present invention for achieving the above object,

Bed;

Bearings installed on both sides of the bed;

A horizontal shaft having both ends supported by a bearing and into which a roll-shaped fabric is inserted;

A pair of transverse guide rails provided in parallel with the shaft at the front and rear ends of the bed;

A transport platform for transporting along the transverse guide rail in the longitudinal direction of the shaft;

A worktable installed on the upper part of the transfer platform and sliding in the shaft direction;

A rotation table that is axially coupled to the front end of the work table and is rotatably installed by an angle adjustment means; And

A circular cutter that is vertically installed to rotate on the rotating table and cuts the fabric inserted into the shaft; It characterized in that it includes.

In addition, the angle adjustment means,

Transfer screw installed horizontally on the workbench;

A nut block that is fixed to the rotating table and is helically coupled to the transfer screw to transfer along the transfer screw according to the rotation of the transfer screw; It is characterized by being composed of.

In addition, the pivoting table has a support that slides in the shaft direction on its upper part, a circular cutter is fixed to the support, a long hole in the front and rear direction is formed on the support, and a bolt hole is formed on the long hole line on the pivoting table, and the bolts are fastened. It is characterized in that the position of the support is fixed by tightening the bolts, so that the tip of the circular cutter can be positioned on the axis of the working table.

In addition, the rotation table is characterized in that a curved groove is formed around an axis, and a bolt hole is formed on the curved groove line on the work table, and the position of the rotation table is fixed by tightening the bolts after fastening the bolts.

The cutting device capable of adjusting the angle of the circular cutter according to the present invention adjusts the angle of the blade portion of the circular cutter so that it is perpendicular to the shaft, and cuts the fabric so that the circular cutter is not pushed by the fabric, so it is possible to produce good products without the bloating phenomenon of the fabric. And, there is an effect that the circular cutter is not damaged.

1 is an exemplary view showing a conventional cutting device. Figure 2 is a perspective view showing the structure of the cutting device according to the present invention. 3 is a plan view showing the structure of the cutting device according to the present invention.

Hereinafter, a preferred embodiment of a cutting device capable of adjusting the angle of a circular cutter according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing the structure of the cutting device according to the present invention, Figure 3 is a plan view showing the structure of the cutting device according to the present invention.

As shown in these drawings, a cutting device capable of adjusting the angle of the circular cutter according to the present invention includes a bed 10; Bearings 20 installed on both sides of the bed 10; A horizontal shaft 30 having both ends supported on the bearing 20 and into which the roll-shaped fabric F is fitted; A pair of transverse guide rails 40 provided parallel to the shaft 30 at the front and rear ends of the bed 10; A transport platform 50 for transporting the shaft 30 in the longitudinal direction along the transverse guide rail 40; A working table 60 installed on the upper part of the transfer table 50 and sliding in the direction of the shaft 30; A rotation table 70 that is coupled to the front end of the work table 60 and is rotatably installed by the angle adjusting means 90; And a circular cutter 80 that is vertically installed so as to rotate in the rotation table 70 and cuts the fabric F fitted in the shaft 30; Includes.

The bed 10 is formed as an enclosure having an interior space, a motor and a power transmission device are installed in the interior space, and the remaining space is used as a storage space, and a door is installed in the front to open and close the front opening of the space. have. The upper surface of this bed 10 is formed in a plane.

The bearings 20 are formed on both upper sides of the bed 10 and support both ends of the shaft 30. One side bearing 20 has a structure that rotates in a horizontal direction, so that the installed shaft 30 can be rotated while being supported by the bearing 20. The other side bearing (20) is equipped with a cover to selectively support the shaft (30), opening the cover when the shaft (30) is rotated, and removing the shaft (30) from the bearing (20) by rotating the shaft (30). After that, the fabric (F) can be attached and detached.

One end of the shaft 30 is rotated by a motor and a power transmission device installed on the bed 10. One end of the shaft 30 on the side to which the power is transmitted is formed with a close contact plate 31 having an expanded diameter, so that one side of the roll-shaped fabric F that is fitted to the shaft 30 is in close contact with each other so that the positioning is made.

The shaft 30 at the portion of the contact plate 31 is provided with a fixing part 32 whose diameter is expanded, and as the diameter of the fixing part 32 expands, the shaft 30 is pressed by pressing the inner periphery of the roll-shaped fabric (F). ) And fabric (F) are integrated. Therefore, when the shaft 30 rotates, the far end F also rotates.

The transverse guide rails 40 are fixedly installed at the front and rear ends of the upper surface of the bed 10, respectively. The transverse guide rail 40 is installed in parallel in the left and right direction so that the transfer platform 50 is transferred to the left and right along the transverse guide rail 40.

The transfer platform 50 has a horizontal plate shape, and a slider 51 is fixedly installed at the lower front and rear ends. The slider 51 has a shape surrounding the upper end of the transverse guide rail 40 and slides along the transverse guide rail 40, so that the feeder 50 slides in the left and right directions along the transverse guide rail 40. And transport. Such a feeder 50 is installed in the left and right direction at the rear of the bed 10 and is helically coupled to a rotating feed screw and a feed screw and is transferred by a nut block fixedly installed on the feeder.

The worktable 60 is installed on the upper part of the transfer table 50 and is transferred from the transfer table 50 in the front and rear direction, that is, in the shaft 30 direction. Longitudinal guide rails 52 in the front-rear direction are installed on both upper sides of the transfer table 50, and longitudinal guide rails 52 are installed corresponding to the longitudinal guide rails 52 on both lower sides of the work table 60 to provide the longitudinal guide rails 52. A slider 62 that slides along is installed. Accordingly, the worktable 60 slides and transfers from the transfer table 50 in the front-rear direction.

In addition, a feed screw 54 rotated by a motor 53 is installed in the front-rear direction at the upper part of the feed table 50, and a nut block that is screwed by being inserted into the feed screw 54 at the lower part of the work table 60 ( 63) is fixedly installed. Therefore, by the forward and reverse rotation of the transfer screw 54, the worktable 60 is moved forward or backward.

The rotation table 70 is installed on the upper part of the work table 60 and is coupled to the work table 60 and the shaft 61. The shaft 61 is vertically installed at the rear end of the work table 60 and the rotation table 70, and the rotation table 70 rotates from the work table 60. This rotation table 70 is rotated at a desired angle by the angle adjustment means 90.

The angle adjusting means 90 is fixed to the motor 91 horizontally installed at the front end of the work table 60, the transfer screw 92 rotated by the drive of the motor 91, and the rotating table 70 It consists of a nut block 93 that is helically coupled to the feed screw 92. Here, the motor 91 and the nut block 93 are axially coupled to the rotation table 70 and the work table 60 and are installed to rotate in the horizontal direction, respectively.

With this structure, when the transfer screw 92 rotates, the nut block 93 is transferred along the transfer screw 92 so that the rotation table 70 rotates from the work table 60.

On the other hand, the pivoting table 70 is provided with a supporter 81 that slides in the direction of the shaft 30 on the upper portion thereof, and a circular cutter 80 is vertically installed on the supporter 81 to be fixedly installed to rotate. A motor 85 is fixedly installed on one side of the support 81, and power is transmitted to the motor 85 and the rotary cutter 80 by the belt 86 and the pulley 87.

In addition, a guide groove 71 is formed on the upper surface of the rotation table 70 in the front-rear direction, and a flow prevention protrusion 82 inserted into the guide groove 71 is protruded at the lower portion of the support plate 81, so that the support plate 81 is It moves in the front-rear direction along the guide groove 71 of the rotation table 70. At this time, it can be moved without shaking by the flow prevention jaw 82.

In addition, a transfer bolt 88 for finely transferring the support 81 is installed on the rotation table 70. The transfer bolt 88 is installed horizontally on the fixing piece 89 installed vertically on the rotating table 70. The transfer bolt 88 is installed so as to not move in the longitudinal direction while idling in the fixing piece 89. The transfer bolt 88 has a screw thread formed on the outer periphery, and the support 81 has a screw hole 81' to which the transfer bolt 88 is helically coupled is formed on the same axis. Therefore, the support 81 is finely transferred by the forward and reverse rotation of the transfer bolt 88.

Outward flanges 83 are formed on both sides of the lower side of the support base 81, long holes 84 in the front and rear directions are formed in the outward flange 83, and at any one point of the long hole 84 in the rotation base 70 The bolt hole 72 is formed so that the position of the support 81 can be fixed by tightening the bolt B after fastening the bolt B.

Here, the support 81 is moved and fixed so that the tip of the circular cutter 80 installed on the support 81 is positioned on the same line as the shaft 61. That is, even if the rotation table 70 rotates, the tip of the circular cutter 80 is always positioned on the center line of the shaft 61, so that the cutting position can be specified.

In addition, the rotation table 70 forms a curved groove 73 centered on the shaft 61, and a bolt hole 63 located at any one point of the curved groove 73 on the work table 60 After the bolt (B) is fastened, the position of the pivot table 70 is fixed by tightening the bolt (B). This is to fix the position of the rotation table 70 by the angle adjustment device 90, but the angle of the rotation table 70 may change due to the load and clearance of the device due to repeated work. .

A controller (C) is installed at the top of one side of the bed (10), and the motors (52, 85, 91) are electrically connected to the controller (C), respectively, and automatically rotate forward and backward according to a set value. In addition, it can be operated manually by installing a separate operating table.

The effect of the cutting device capable of adjusting the angle of the circular cutter according to the present invention having such a structure will be described in detail.

First, the support 81 is transferred and adjusted so that the tip of the blade portion of the circular cutter 80 is located at the upper portion of the center of the shaft 61. That is, after loosening the bolt (B) fixing the support (81), the support (81) is moved forward and backward so that the tip of the blade portion of the circular cutter (80) is located at the upper portion of the center of the shaft (61). At this time, the flow preventing jaw 82 formed in the lower part of the support 81 moves along the guide groove 71 of the rotation table 70, and when the position is matched, the bolt B is tightened to press the outward flange 83. Fix the support (81).

When the matching of the tip of the shaft 61 and the circular cutter 80 is completed, the angle is adjusted using the angle adjusting means 90 so that the inclined surface of the blade portion of the circular cutter 80 is orthogonal to the shaft 30. That is, when the controller (C) is operated to drive the motor (91) installed on the worktable (60) to rotate the transfer screw (92), the nut block (93) spirally coupled thereto is transferred to the angle of the rotation table (70). Is widened, and when the inclined surface of the blade portion of the circular cutter 80 is orthogonal to the shaft 30, the driving of the motor 53 is stopped. In addition, the rotation table 70 is prevented from moving by pressing the rotation table 70 by tightening the bolts (B) assembled on the work table 60 for a solid fixation. Here, the rotation table 70 is fixed by the stop of the transfer screw 92, but it is completely fixed by fixing it once more through the bolt (B).

Next, one end of the shaft 30 is detached from the bearing 20 and rotated, and the roll-shaped fabric F is inserted into the shaft 30, and then the detached shaft 30 is fixed to the bearing 20 again. The fabric (F) inserted in the shaft (30) is in close contact with the contact plate (31), and then the fixing part (32) is expanded to press the inner periphery of the fabric (F) so that the fabric (F) is fixed to the shaft (30). do.

When the mounting of the fabric (F) is completed, input the width and depth of the fabric (F) to be cut using the controller (C), and drive the motor 53 to the set value to cut the fabric (F) with a certain width. I'm going. That is, the motor 85 of the circular cutter 80 is driven to rotate the circular cutter 80 connected through the belt 86 and the pulley 87, and the motor 53 installed on the feeder 50 is driven. When the conveying screw 54 rotates, the nut block 63 helically coupled thereto is conveyed along the conveying screw 54, so that the working table 60 is cut by the circular cutter 80 that rotates while advancing. do. At this time, the worktable 60 is stably transferred along the longitudinal guide rail 52 of the transfer table 50. In this process, since the angle of the circular cutter 80 is adjusted, that is, the inclined surface of the blade is orthogonal to the shaft 30, a phenomenon of being pushed against the fabric F during cutting does not occur. As a result, the cut surface of the fabric (F) forms a flat surface without bloating to produce good products, and there is no load on the circular cutter 80, so that deformation and damage do not occur.

The circular cutter 80, which has advanced and cut the fabric, moves backward when the feed screw 54 rotates in the opposite direction by the drive of the motor 53 and moves away from the far end F, and the feed platform 50 is in the transverse direction. It is guided by the guide rail 40 and moves in the lateral direction as much as a set value and then advances again to repeat the cutting process of the fabric (F).

10: bed 20: bearing 30: shaft 31: contact plate 32: fixed portion 40: transverse guide rail 50: feeder 51, 62: slider 52: longitudinal guide rail 53, 85, 91: motor 54, 92: feed screw 60: worktable 61: shaft 63, 93: nut block 70: pivot 71: guide groove 72: bolt hole 73: curved groove 80: circular cutter 81: support 81': screw hole 82: flow bump 83: outward flange 84: long hole 86: belt 87: pulley 88: transfer bolt 89: fixing piece 90: angle adjustment means B: bolt F: Fabric N: Blade

Claims (4)

Bed 10; Bearings 20 installed on both sides of the bed 10; A horizontal shaft 30 having both ends supported on the bearing 20 and into which the roll-shaped fabric F is fitted; A pair of transverse guide rails 40 provided parallel to the shaft 30 at the front and rear ends of the bed 10; A transport platform 50 for transporting the shaft 30 in the longitudinal direction along the transverse guide rail 40; A working table 60 installed on the upper part of the transfer table 50 and sliding in the direction of the shaft 30; A rotation table 70 which is coupled to the front end of the work table 60 so as to be able to rotate horizontally by means of an angle adjustment means 90; And a circular cutter 80 which is vertically installed so as to rotate in the rotation table 70, the tip of which is located on the center line of the shaft 61, and cuts the fabric F fitted in the shaft 30; Including, the angle adjustment means 90, the motor 91 installed horizontally on the work table 60; A transfer screw 92 connected to the motor 91; A nut block 93 that is fixed to the rotation table 70 and is helically coupled to the transfer screw 92 to transfer in the longitudinal direction of the transfer screw 92 when the transfer screw 92 rotates; Cutting device capable of adjusting the angle of the circular cutter, characterized in that consisting of. According to claim 1, wherein the pivot (70) is provided with a support (81) sliding in the direction of the shaft (30) on the upper portion, a circular cutter (80) is fixed to the support (81), and the support (81) A long hole 84 in the front and rear direction is formed, and a bolt hole 72 located on the line of the long hole 84 is formed on the rotation table 60, and after fastening the bolt (B), the support ( 81) by a fixed position, the cutting device capable of adjusting the angle of the circular cutter, characterized in that the front end of the circular cutter (80) can be located on the line of the axis (61) of the work table (60). The method of claim 2, wherein a vertical fixing piece (89) is fixedly installed on the rotating table (70), and a transfer bolt (88) having a threaded thread on the fixing piece (89) is installed so as to idly rotate, but not to move in the longitudinal direction. It is installed, and the support 81 is characterized in that the screw hole 81' to which the transfer bolt 88 is helically coupled is formed on the same axis, so that the support 81 is transferred by the rotation of the transfer bolt 88. A cutting device that can adjust the angle of the circular cutter. The method of claim 1, wherein the rotation table (70) forms a curved groove (73) centered on the shaft (61), and a bolt hole (63) is formed on the curved groove (73) line on the work table (60). A cutting device capable of adjusting the angle of a circular cutter, characterized in that the position of the rotation table 70 is fixed by tightening the bolt (B) after the bolt (B) is fastened by forming.

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