KR101859213B1 - Apparatus for wiper cutting - Google Patents

Abstract

The present invention relates to an apparatus for cutting a wiper which is able to automatically fuse and cut a plurality of fabrics for a wiper. The present invention is the apparatus for cutting a wiper for cutting a wiper in a width direction, comprising: a winding roll wound with a plurality of fabrics arranged at a predetermined gap; a vertical feed roll for transferring the fabric supplied from the winding roll by a predetermined length in the vertical direction; a holding member for holding the fabrics transferred by the vertical feed roll; and a fuse cutting member for fusing and cutting the fabrics held by the holding member in the width direction. Thus, the present invention has a remarkably useful effect that the fabrics transferred from the winding roll can be continuously fused and cut while being strongly held by the holding member.

Description

[0001] APPARATUS FOR WIPER CUTTING [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiper cutting apparatus for cutting a wiper in a width direction, and more particularly, to a wiper cutting apparatus capable of automatically welding and cutting a plurality of wiper fabrics.

As is well known, wipers are used to clean the clean room by wiping the walls of various articles or appliances or clean rooms in a clean room.

The wiper is manufactured by first cutting a thermoplastic fabric having excellent flexibility and hygroscopicity in the longitudinal direction and then cutting it in the width direction.

As a conventional technique for cutting the fabric in the width direction, Korean Patent Laid-Open Publication No. 2000-0038277 (published on June 2, 2000) discloses a cross cutting device for manufacturing a wiper.

This prior art discloses " a far-end transfer guide for guiding a thermoplastic knitted fabric thermally welded and cut at both ends of the longitudinal direction in the lengthwise direction from a take-up roll, A grip gripper portion for gripping and positioning the cut end of the primary processed fabric with the guide creepers in a state of being exposed by a predetermined distance; A gripper portion in the width direction for gripping and positioning by the upper and lower grippers, and an ultrasonic welding and cutting portion for cutting the primary treated fabric positioned at the predetermined cutting width in the cross direction, And gripping the wiper of the finished article and transferring it to a collection box located outside the apparatus line Is a transfer gripper portion wiper for preparing cross-cutting device, characterized in that made "in technical features.

However, the above-described prior art has a problem in that productivity is not excellent due to ultrasonic welding and cutting of one primary treated fabric conveyed in the winding roll.

In addition, since the above-described conventional technique grips or transports the primary processing fabric by using the plate gripper portion, the width direction gripper portion, and the transfer gripper portion, it is expected to improve the productivity due to the stability of the operation and the increase in the number of workpieces There was a difficult problem.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art described above, and it is an object of the present invention to provide a wiper blade capable of fusing and cutting a plurality of fabrics fed in a winding roll at a time, And a cutting device.

According to an aspect of the present invention, there is provided a wiper cutting apparatus for cutting a wiper in a width direction, comprising: a take-up roll on which a plurality of raw materials arranged at predetermined intervals are wound; A holding member for holding the plurality of fabrics transferred from the vertical feed roll, a fusing cut for fusing and cutting the plurality of fabrics held by the holding member in the width direction, Member.

In an embodiment of the present invention, the fusing cutting member includes an ultrasonic assembly for generating ultrasonic waves while being transported in a width direction of the plurality of fabrics, a fusing and cutting unit for transferring the fusible cutting members in the width direction of the plurality of fusions together with the ultrasonic assembly, Can be continuously performed.

The fusing and cutting assembly may include a pair of left and right fusing rolls for alternately pressing the plurality of fingers on the other face so as to fuse the plurality of fingers continuously with ultrasonic waves generated from the ultrasonic assembly, A slider actuator for transferring the front and rear sliders, a pair of fusing rolls and a pair of fusing rolls, and a pair of fusing rolls, Left and right sliders for simultaneously feeding the cutter in the left and right directions, and a second feeding member for feeding the left and right sliders.

In this case, the second conveying member may include a second ball screw connected to move the left and right sliders in the left-right direction, and a second motor connected to drive the second ball screw.

The ultrasonic assembly includes an ultrasonic generator for generating ultrasonic waves on one surface of the plurality of raw fabrics, a first slider for transferring the ultrasonic generators in the widthwise direction of the plurality of raw fabrics, a first feeder for feeding the first sliders, Member.

The first transfer member may include a first ball screw connected to transfer the first slider in the left-right direction, and a first motor connected to drive the first ball screw.

In the embodiment of the present invention, the tension adjusting member may include a tension roll that is rotated and elevated to adjust tension of the plurality of fabrics, a slider slider connected to both ends of the tension roll, a lifting rail connected to guide the lifting and lowering of the lifting slider, And an elastic member elastically supporting the bottom surface of the lift slider.

In the embodiment of the present invention, the holding member may include a holding base fixed between the side frames so as to support one side of the plurality of fabrics, a holding pusher for pressing and holding the other side of the fabric supported by the holding base, Lt; RTI ID = 0.0 > pusher < / RTI >

At this time, the holding base and the holding pusher may be formed with long slits in the left-right direction while continuing to communicate with each other in the forward and backward directions.

In the embodiment of the present invention, the winding roll may be formed with a partition rim to partition the plurality of raw fabrics.

According to the present invention embodied by the above-described means, there is a very advantageous effect that continuous fusing and cutting can be performed in a state in which a plurality of raw fabrics conveyed in the winding roll are firmly held by the holding member.

1 is a side view according to an embodiment of the present invention;
2 is a plan view according to an embodiment of the present invention;
3 is an enlarged view of a tension adjusting member according to an embodiment of the present invention, which is enlarged from the side.
4 is an enlarged cross-sectional view showing a holding member according to an embodiment of the present invention in a plan view.
5 is an enlarged cross-sectional view showing a fused cutting member according to an embodiment of the present invention on an enlarged side;
6 and 7 are enlarged views of a fused cutting member according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings in order to fully understand the present invention.

The embodiments of the present invention may be modified into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention.

Therefore, the shapes and the like of the constituent elements shown in the drawings may be exaggerated in order to emphasize a clearer explanation. It should be noted that the same components are denoted by the same reference numerals in the drawings. Further, the detailed description of functions and configurations of known technologies which are considered to be unnecessarily obscuring the gist of the present invention will be omitted.

1 and 2, the present invention includes a frame 100, a take-up roll 200 in which a plurality of raw fabrics 10 rotatably coupled to the frame 100 are arranged at predetermined intervals, A vertical feed roll 600 for feeding a plurality of raw fabrics 10 supplied from a roll 200 in a vertical direction by a predetermined length, a holding member for holding a plurality of raw fabrics 10 transferred from the vertical feed roll 600 700, and a fused cutting member 800 for fusing and cutting the fabric 10 held by the holding member 700 in the width direction.

The frame 100 includes a main frame 110 having a substantially rectangular parallelepiped shape and a side frame 120 connected to both sides of the upper and left sides of the main frame 110, A collecting space 130 is formed in the lower part of the main frame 110, and the wiper made by welding and cutting is gathered by its own weight.

A wind-up roll 200 and a vertical feed roll 600 are rotatably installed between the side frames 120 and the holding member 700 is installed to be movable in the front-rear direction so as to hold the fabric 10, On the upper portion of the frame 110, a fusion cutting member 800 is installed so as to be movable in the lateral direction.

Between the side frames 120, a plurality of guide rolls 300, a pair of horizontal feed rolls 400, and a tension adjusting member 500 are installed. The plurality of guide rolls 300 guide the feeding of the fabric 10 and the pair of horizontal feed rolls 400 rotate to transport the fabric 10 in a horizontal direction by a predetermined length, 500 suitably adjust the tension of the transferred fabric 10.

The tension adjusting member 500 adjusts the tension of the fabric 10 such that the tension adjusting member 500 is rotated and elevated to adjust the tension of the fabric 10, A lifting and lowering slider 520 connected to both ends of the tension roll 510, a lifting and lowering rail 530 connected to the side frames 120 to guide the lifting and lowering of the lifting and lowering slider 520, And an elastic member 540 that elastically supports the bottom surface of the elastic member 540.

Both end portions of the tension roll 510 are rotatably connected to the lift slider 520 and are lifted or lowered together with the lift slider 520.

The elevating rails 530 are vertically formed and installed in the side frames 120. The elevating rails 530 are connected to the elevating slider 520 so as to be raised or lowered. As shown in FIG. 3, the lift rail 530 is preferably formed of two front and rear sliders so as to guide stable up and down movement of the lift slider.

The elastic member 540 elastically supports the bottom surface of the descending slider 520 and adjusts the appropriate tension of the fabric 10 such that the elastic member 540 is engaged with the lower end outer diameter of the lifting rail 530 It is preferable that the coil spring is realized. Alternatively, the elastic member 540 may be embodied as a leaf spring for resiliently supporting the bottom surface of the lifting slider 520 to adjust the appropriate tension of the fabric 10.

The winding roll 200 supplies a plurality of webs 10 wound in a predetermined interval after primary processing (fusion and cutting in the longitudinal direction) and in the direction of the vertical feed roll 600, A plurality of baffle rims 210 are formed at predetermined intervals to prevent a plurality of raw fabrics 10 wound on the take-up roll 200 from interfering with each other. The partition rims 210 are preferably formed in a plurality of guide rolls as shown in Figs.

Both ends of the winding roll 200 are detachably coupled to a bracket 121 formed on both sides of the side frame 120. To this end, the upper portion of the bracket 121 is opened to allow the winding roll 200 to be engaged and separated .

The vertical feed roll 600 feeds the fabric 10 fed through the plurality of guide rolls 300 and the horizontal feed roll 400 and the tension adjusting member 500 in the vertical direction by a predetermined length. The vertical feed rolls 600 are formed as a pair arranged on the left and right as shown in Fig.

The pair of vertical feed rolls 600 are forwardly and reversely rotated by a driving means (not shown) such as a step motor or a cylinder to feed the cloth 10 in the vertical direction, i.e., the vertical direction by a predetermined length.

The holding member 700 is a member for holding a plurality of raw fabrics 10 conveyed from the vertical feed roll 600. The holding member 700 is a member for supporting one side of the fabric 10, A holding pusher 720 for pressing and holding the other side of the fabric 10 supported by the holding base 710 and a holding pusher 720 for operating the holding pusher 720, And a holding pusher actuator 730.

The holding base 710 is formed as a rectangular parallelepiped extending in the left and right direction and fixed at both ends to connect the left and right side frames 120. The base slit 711 is formed at the center of the holding base 710, The fusing roll 831 and the roll cutter 835 of the fusing cutting member 800 are operatively penetrated. Accordingly, the holding base 710 supports one side of the fabric 10, and the portion exposed to the base slit 711 corresponds to the fusion and cutting portion of the fabric 10.

The holding pusher 720 is formed in a rectangular parallelepiped shape that is long in the left and right direction so as to correspond to the shape of the holding base 710. Both ends of the holding pusher 720 are not fixed to the left and right side frames 120 but are arranged to be movable back and forth, A long pusher slit 721 is formed in the left-right direction and the ultrasonic horn 812, which will be described later, is operatively penetrated. Accordingly, the holding pusher 720 presses the other surface of the fabric 10 supported by the holding base 710 to firmly hold the fabric 10.

The holding pusher actuator 730 actuates the holding pusher 720 in the direction of the holding base 710 such that the holding pusher actuator 730 is preferably implemented as a cylinder as shown in Figures 5 and 6, And a motor or a valve that actuates the holding pusher 720 in the direction of the holding base 710 as necessary.

The fused cutting member 800 is a member for fusing and cutting the fabric 10 held by the holding member 700 in the width direction. An ultrasonic assembly 810 for generating an ultrasonic wave while being transported in the width direction of the ultrasonic wave generator 10 and a ultrasonic assembly 810 are simultaneously transported in the width direction of the fabric 10 to weld and cut the fabric 10 by ultrasonic waves And a fused cutting assembly 830.

5 to 7, the ultrasonic assembly 810 includes an ultrasonic generator 811 and an ultrasonic generator 811 that generate ultrasonic waves on one surface of the raw fabric 10 and transfer the ultrasonic wave generators 811 in the widthwise direction of the raw fabric 10 A first slider 813 for moving the first slider 813, and a first transfer member for transferring the first slider 813.

The ultrasonic generator 811 generates an ultrasonic wave of 20,000 Hz or more. The ultrasonic generator 811 is provided with an ultrasonic horn 812 formed horizontally and horizontally in the left and right direction to pressurize the fusing roll 831 (10) in the width direction.

The first conveying member includes a first ball screw 814 connected to convey the first slider 813, and a first motor (not shown) driving the first ball screw 814.

The first slider 813 feeds the ultrasonic wave generator 811 in the width direction of the raw cloth 10. An ultrasonic wave generator 811 is installed on the upper portion of the first slider 813 and a nut 813b And is screwed to the first ball screw 814. The first slider 813 further includes a first rail hole 813a formed on the front and rear sides of the nut 813b. The first rail hole 813a is formed on both sides of the first ball screw 814, Is moved along the first guide rail 815 connected to the frame 120 to prevent the first slider 813 from flowing.

The first ball screw 814 rotates to move the first slider 813 in the left-right direction of the fabric 10, both ends of which are rotatably connected to the side frame 120, And is connected to the shaft of the motor and rotated by driving the first motor.

5 to 7, the fusion cutting assembly 830 includes a pair of left and right pairs of alternately pressing on the other side of the fabric 10 to fuse the fabric 10 with ultrasonic waves generated from the ultrasonic generator 811 A roll cutter 835 for cutting the fused portion of the raw material 10 with a pair of fusing rolls 831 and a pair of fusing rolls 831 in the forward and backward directions so as to alternately press the fusing rolls 831, A slider actuator 834 for feeding the front and rear slider 833 and a pair of fusing rollers 831 and 835. The left and right sliders 836 and 836 move the roll cutter 835 in the left- And a second conveying member for conveying the second conveying member 836.

6 and 7, the pair of fusing rolls 831 are arranged so as to form a predetermined gap and alternately press the other side of the fabric 10 while rotating. For example, the fusing roll 831 on the left side The left and right sliders 836 are moved forward and rearward to press the other side of the fabric 10 when the left and right sliders 836 are conveyed in the left direction, And to transport them back and forth to pressurize the other surface. The pair of fusing rolls 831 are respectively rotated by a roll rotating member 832. The roll rotating member 832 rotates the driven pulley 832a and driven pulley 832a connected to the shaft of the fusing roll 831 And a fusing roll motor 832d for driving the driving pulley 832b and the driving pulley 832b connected to the belt 832c. The roll rotating member 832 is installed on the front and rear sliders 833, respectively.

The roll cutter 835 cuts the fused portion of the fabric 10 by a fusing roll 831 such that the roll cutter 835 is moved between the pair of fusing rolls 831 by the left and right sliders 836 by a cutter arm 837 at the center thereof. The roll cutter 835 cuts and cuts the fused portion of the raw material 10 by the pressing of the left fusing roll 831 when the left and right sliders 836 are fed in the left direction, The cut portion of the raw material 10 is cut by rotating the right fusing roll 831 while the fused portion of the raw material 10 is rotated.

The front and rear sliders 833 are each made of a plate material having a predetermined thickness, and the front and rear sliders 833 are provided on the right and left sides of the left and right sliders 836 And is transportably connected to both sides in the forward and backward directions.

The slider actuator 834 transports the front and rear sliders 833 in the forward and backward directions. The slider actuator 834 is implemented by a cylinder provided on both left and right sides of the upper surface of the left and right sliders 836, respectively. At this time, the front and rear sliders 833 are seated on the upper surface of the both-side slider actuator 834 so as to be transportable in the front-rear direction.

The left and right sliders 836 feed the pair of fusing rolls 831 and the roll cutters 835 simultaneously in the left and right directions. A roll cutter 835 is provided at the center of the upper surface of the left and right sliders 836, And slider actuators 834 are provided on both the left and right sides. A nut 836b is provided at a lower center of the left and right sliders 836 and is screwed to a second ball screw 839 to be described later and a second rail hole 836a is formed on both front and rear sides of the nut 836b, And is moved along the second guide rail 838 connected to both side frames 120 before and after the ball screw 839 to prevent the right and left sliders 836 from flowing.

The second conveying member includes a second ball screw 839 connected to move the left and right sliders 836 in the left and right direction, and a second motor (not shown) driving the second ball screw 839.

The second ball screw 839 rotates so as to move the left and right sliders 836 in the left-right direction of the fabric 10, both ends of which are rotatably connected to the side frames 120, And is connected to the shaft of the motor and rotated by the driving of the second motor.

The overall operation and effect of the present invention thus constructed will be described in detail with reference to the accompanying drawings.

First, a plurality of raw fabrics 10 that have been subjected to primary processing (fused and cut in the longitudinal direction) are wound on a take-up roll 200 and then fed by a plurality of guide rolls 300 and a horizontal feed roll 400, (500).

At this time, the plurality of raw fabrics 10 are not interfered with each other when rotated by the partition rim 210 of the take-up roll 200.

The fabric 10 is conveyed in the direction of the vertical feed roll 600 through the guide roll 300 while maintaining proper tension by the tension adjusting member 500, I.e., in the vertical direction by a predetermined length.

Then, the fabric 10 transported by a predetermined length by the vertical feed roll 600 is held by the holding member 700 which operates as shown in FIG.

The thus held cloth is fused and cut simultaneously by the fused cutting member 800.

6, when the first slider 813 is moved in the left direction (arrow direction) by the rotation of the first ball screw 814, the left and right sliders 836 are also rotated by the rotation of the second ball screw 839 At the same time, it is transported in the left direction.

Next, the left fusing roll 831 is transferred in the direction of the arrow in Fig. 6 by the operation of the slider actuator 834, and presses the other side of the cloth 10 supported on the one side by the ultrasonic horn 812, The roll 831 is rotated in the direction of the arrow in Fig. 6 by the conveyance of the left and right sliders 836, and the fusion of the fabric 10 is started.

At this time, the roll cutter 835 is also rotated in the same direction as the left fusing roll 831 to be fed in the leftward direction while cutting the fused portion of the raw material 10, so that a plurality of fusers continuously fused by the fusing roll 831 Thereby cutting the fabric 10 of the fabric 10 continuously.

When the wiper is released from the holding state by the operation of the holding member 700, the wiper is separated by its own weight and collected in the collecting space 130.

Subsequently, the fabric 10 transported by a predetermined length in the vertical feed roll 600 is held by the operation of the holding member 700 again.

7, when the first slider 813 is moved in the rightward direction (arrow direction) by the rotation of the first ball screw 814, the rotation of the second ball screw 839 causes the left and right sliders 836 ) Are simultaneously transported in the rightward direction.

Next, the fusing roll 831 on the right side is transported in the direction of the arrow in Fig. 7 by the operation of the slider actuator 834 and presses the other side of the cloth 10 supported on the one side by the ultrasonic horn 812, The roll 831 is rotated in the direction of the arrow in Fig. 7 by the conveyance of the left and right sliders 836, and the fusion of the fabric 10 is started.

At this time, the roll cutter 835 is also rotated in the same direction as the right fusing roll 831 and is transported in the rightward direction while cutting the fused portion of the raw material 10, so that a plurality of fused continuously fused by the fusing roll 831 Thereby cutting the fabric 10 of the fabric 10 continuously.

As described above, when the wiper is released from the holding state by the operation of the holding member 700, the wiper is separated by its own weight and collected in the collecting space 130, and the above- do.

It will be apparent to those skilled in the art that various modifications and variations may be made in the present invention.

Therefore, it is to be understood that the present invention is not limited to the above-described embodiments.

Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

100: frame 200: winding roll
210: partition rim 300: guide roll
400: horizontal feed roll 500: tension adjusting member
600: vertical feed roll 700: holding member
800: Fusing cutting member 810: Ultrasonic assembly
820: Fused cutting assembly

Claims (10)

A wiper cutting apparatus for cutting a wiper in a width direction,
A take-up roll in which a plurality of raw materials arranged at predetermined intervals are wound,
A vertical feed roll for feeding the plurality of raw fabrics fed from the winding roll in a vertical direction by a predetermined length,
A tension adjusting member for adjusting the tension of the plurality of fabrics fed from the winding roll to the vertical feed roll,
A holding member for holding the plurality of fabrics transferred from the vertical feed roll,
And a fusion cutting member for fusing and cutting the plurality of raw materials held by the holding member in the width direction,
The fusion cutting member
An ultrasonic assembly for generating ultrasonic waves while being transported in a width direction of the plurality of fabrics; and a fusion cutting assembly for transferring the ultrasonic waves in the width direction of the plurality of fabrics at the same time as the ultrasonic assembly and continuing fusion welding and cutting by ultrasonic waves,
The fusion cutting assembly includes:
A pair of left and right fusing rolls alternately pressing on the other side of the plurality of raw fabrics to continuously fuse the plurality of raw fabrics with ultrasonic waves generated from the ultrasonic assembly, A slider actuator for transferring the front and rear sliders, and a pair of fusing rolls and a roll cutter for transferring the pair of fusing rolls and the roll cutter in the lateral direction at the same time A left and right slider, and a second feeding member for feeding the left and right sliders,
The ultrasonic assembly includes:
A wiper cutting device including an ultrasonic generator for generating ultrasonic waves on one surface of the plurality of fabrics, a first slider for transferring the ultrasonic generators in the widthwise direction of the plurality of fabrics, and a first transfer member for transferring the first slider . delete delete The method according to claim 1,
The second conveying member
A second ball screw connected to move the left and right sliders in the left and right direction, and a second motor connected to drive the second ball screw. delete The method according to claim 1,
Wherein the first conveying member
A first ball screw connected to move the first slider in the left-right direction, and a first motor connected to drive the first ball screw. The method according to claim 1,
Wherein the tension adjusting member comprises:
A lifting slider connected to both ends of the tension roll, a lifting and lowering rail connected to guide the lifting and lowering of the lifting slider, an elastic member elastically supporting the bottom surface of the lifting slider, Wherein the wiper cutting device comprises: The method according to claim 1,
Wherein the holding member comprises:
A holding pusher for pressing and holding the other surface of the fabric supported by the holding base, and a holding pusher actuator for actuating the holding pusher, wherein the holding pusher includes a holding base fixed between the side frames so as to support one side of the plurality of fabrics, Device. The method of claim 8,
Wherein the holding base and the holding pusher are formed with long slits in the left and right direction while communicating with each other in the front and back directions. The method according to claim 1,
Wherein the wind-up roll is provided with a dividing rim for dividing the plurality of raw fabrics.

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