KR100461070B1 - The wiper cutting machine - Google Patents

Abstract

PURPOSE: A wiper cutting device is characterized by shortening length of a hone to reduce production cost, reciprocating a fusing device containing the hone at proper intervals to manufacture wipers having various sizes and transferring a transfer table of a sonicator along both guide rails to form a stable and uniform fusion side. CONSTITUTION: A wiper cutting device comprises: a transferring part transferring textile by using many rollers installed on the rear and an upper part of a main body; a cutting part which is formed in front of the main body, fixing an upper part and a lower part of the textile, controlling tension and cutting the textile on proper size; and a control regulating part controlling feed of the textile and operation of the other devices. The cutting part comprises a cutting device and a fusing device(5). The cutting device comprises: a first transfer shaft rotated by a motor and formed screw thread along circumference; a cutting-roll transferring table transferring the textile right-and-left in accordance with rotation of the first transfer shaft; and a cutting roll and a fusing roll which are rotated, compressing, fusing and cutting the textile. The fusing device(5) comprises: a second transfer shaft(51) formed on the other side of the cutting device and rotated with the first transfer shaft equally; a sonicator transferring table(52) transferred right-and-left by rotation of the second transfer shaft(51); a sonicator(53) installed on the sonicator transferring table(52); and a hone(54) which is contacted with the fusing roll, expanding an amplitude of ultrasonic waves radiated from the sonicator(53) and launching the ultrasonic waves to the rear of the cutting part of the textile to fuse the textile.

Description

Wiper cutting machine {The wiper cutting machine}

The present invention relates to a wiper cutting device, in more detail, so that the horn of the ultrasonic generator to move in accordance with the movement of the cutting roll to facilitate the production of wipers of various specifications and to reduce the production cost by reducing the size of the expensive horn It relates to a wiper cutting device developed for.

In the case of dealing with minute genes in cells such as ultra-high density integrated circuits or genetic manipulation represented by semiconductors, environmental conditions have a great influence on the quality. In these places, the presence or absence of dust is one of the environmental conditions. No microscopic thing should exist.

Therefore, this work is performed inside the clean room.

However, even in such a clean room, a wall or various devices may be contaminated by debris or a very small amount of dust generated by internal work. Currently, wipers are used to wipe them.

The wiper is made of a thermoplastic resin having good flexibility and absorbency, and is produced by cutting to a certain size.

The wiper should prevent the loosening of the cutting edges due to its use characteristics. To this end, the production process is to fuse the cutting portion using heat or ultrasonic waves and to cut the center of the fused surface using a cutting roll. Both edges of the cut piece are fused to prevent loosening of the ol.

Recently, an apparatus for mass production of such wipers has been introduced in Korea Patent No. 300535 (Wiper Manufacturing Cutting Device), 300536 (Wiper Manufacturing Cross Cutting Device) and No. 472992 (Washing Wiper Manufacturing Device). The end of the horn to be fused by ultrasonic oscillation is fixed throughout the cutting portion to cut immediately after the fusion is made. As the length of the expensive horn increases, the unit cost of the apparatus increases and also the fixed horn has various sizes. There is a disadvantage that the cutting of the fabric is not easy.

The present invention has been developed to solve the above problems, the object is to reduce the length of the horn to reduce the cost of the device.

In addition, in the fabric of various widths to facilitate the production of the wiper in a single device.

It is also to ensure that the transport of the horn is stable without shaking.

1 is a perspective view according to an embodiment of the present invention

Figure 2 is a partial perspective view showing a cutting device according to an embodiment of the present invention

Figure 3 is a partial perspective view showing a fusion device according to an embodiment of the present invention

4 is a conceptual diagram showing the process of fusion and cutting in the apparatus of the present invention

<Explanation of symbols for main parts of the drawings>

1: transfer unit

11: roller

2: cutting part

3: Control adjusting part

4: cutting device

41: first feed shaft 42: cutting roll feed table

43: rack 44: gear

45a: cutting roll 45b: fusion roll

46: flexible shaft 47a: upper fixing bar

47b: lower fixing bar 48: belt

49a, 49b: cylinder

5: fusion device

51: second feed shaft 52: ultrasonic generator feed table

53: ultrasonic generator 54: horn

55: guide rail 56: guide home

6: fabric

61: fusion

In order to achieve the above object, the present invention includes a transfer unit for transferring the fabric by a plurality of rollers formed on the rear and top of the main body; It is formed in front of the main body and the cutting portion for fixing the top and bottom of the fabric and cutting the fabric to a certain size by adjusting the tension; A wiper cutting device comprising a control adjusting part for controlling the amount of feed of the fabric and the operation of the other device, the cutting part is rotated by a motor, the first feed shaft is a screw thread is formed along the outer peripheral surface, and the first feed shaft is A cutting device including a cutting roll feeder inserted and transferred to the left and right according to the rotation of the first feed shaft, and a cutting roll and a fusion roll for pressing and fusion cutting and cutting the fabric supplied by the feeder while rotating; A second feed shaft formed on the other side of the cutting device and rotating the same as the first feed shaft, and an ultrasonic generator feed table inserted into the second feed shaft to feed left and right according to the rotation of the second feed shaft; A fusion composed of an ultrasonic generator mounted on an ultrasonic generator feeder and a horn for expanding the amplitude of the ultrasonic wave oscillated by the ultrasonic generator and oscillating ultrasonic waves behind the cut portion of the fabric to weld the fabric supplied by contact with the fusion roll. It is characterized by consisting of a device.

That is, when the fabric supplied by the fabric conveying unit is squeezed and cut by the cutting device and the fusion device, the horn in contact with the cutting roll and the fusion roll of the cutting device with the fabric interposed at the same time as the cutting roll and the fusion roll By moving, the relatively expensive horn length is greatly reduced to reduce the production cost of the overall device, and the fusion device including the horn can be reciprocated at regular intervals by the control unit to produce various sizes of wipers on fabrics of various widths. It is made.

Further, in the above apparatus, guide rails each having a protruding portion formed in a longitudinal direction at the upper left and right sides of the second feed shaft are formed, and the ultrasonic generator feed table further includes guide grooves for guiding corresponding to the guide rails. By doing so, the movement of the ultrasonic generator transfer table can be made more stable.

Rotation of the cutting roll and the fusion roll may be through a separate device such as a motor, but may be supplied with a rotational force from the linear motion of the cutting roll carrier. In the embodiment of the present invention, the cutting roll and the fusion roll was rotated by a belt connected to the rack formed along the conveying direction of the cutting roll carrier and the end of the flexible shaft coupled to the rotating gear is engaged with the rack.

Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

1 is a perspective view according to another embodiment of the present invention, the conveying unit (1) for transporting the fabric (6) by a plurality of rollers 11 formed on the rear and top of the main body; A cutting part 2 formed at the front of the main body to fix the upper part and the lower part of the fabric 6 and to cut the fabric 6 to a predetermined size; A wiper cutting device composed of a control adjustment section 3 for controlling the feed amount of the fabric 6 and the operation of other devices is shown.

In the case of producing the wiper, the fabric wound in the form of a roll in order to produce a product of the correct specification to ensure that the fabric (6) is supplied with a constant tension by a plurality of tension control roller 11 and also fusion during cutting And it is common to secure a stable cutting by fixing the top and bottom of the cutting operation. In the embodiment of the device of the present invention, when the fabric is fused and cut, the upper and lower fixing bars which are moved by the cylinder so as to facilitate the fusion and cutting of the fabric by fixing the fabric and adjusting the tension at the upper and lower portions thereof. Installed. This is similar to the prior art described in detail in patent 441792. In addition, when the cutting operation is completed and the fixing of the fabric is released, the produced wiper adopts a work method of stacking the lower part and accordingly, the fabric is supplied in the lower vertical direction, which is the gravity direction, at the end of the transfer part 1.

Figure 2 is a partial perspective view showing a cutting device according to the present invention, Figure 3 is a partial perspective view showing a fusion device according to the present invention Figure 4 is a conceptual view showing a process of fusion and cutting in the apparatus of the present invention, The apparatus includes a conveying part (1) for conveying the original fabric (6) by a plurality of rollers (11) formed at the rear and top of the main body; A cutting part 2 formed at the front of the main body to fix the upper and lower portions of the fabric 6 and to adjust the tension to cut the fabric 6 to a predetermined size; It consists of a control adjustment unit (3) for controlling the transfer amount of the fabric (6) and the operation of the other device.

The cutting part 2 is rotated by a motor and has a first feed shaft 41 having a thread formed along an outer circumferential surface thereof, and the first feed shaft 41 is inserted in accordance with the rotation of the first feed shaft 41. Cutting device consisting of a cutting roll feed table 42 for feeding left and right, cutting roll 45a and fusion roll 45b for pressing and fusion and cutting the raw material 6 supplied by the conveying unit 1 while rotating (4); A second feed shaft 51 formed on the other side of the cutting device 4 and rotating the same as the first feed shaft 41, and the second feed shaft 51 are inserted into the second feed shaft 51. Ultrasonic wave generator transfer table 52 to move left and right according to the rotation of the), the ultrasonic generator 53 mounted on the ultrasonic generator feed table 52, and the amplitude of the ultrasonic wave oscillated from the ultrasonic generator 53 is enlarged And a fusion device (5) composed of a horn (54) for pulsating ultrasonic waves behind the cut portion of the fabric (6) to fusion the fabric (6) supplied by contact with the fusion roll (45b).

In addition, the cutting roll 45a and the fusion roll 45b are coupled to the rack 43 formed along the conveying direction of the cutting roll feed table 42 and the gear 44 which is engaged with the rack 43 and rotates. It was configured to rotate by a belt 48 connected to the end of the flexible shaft 46. That is, since the cutting roll 45a and the fusion roll 45b of the cutting device 4 do not require high speed rotation, the cutting roll 45a and the fusion roll 45b do not need to separately control the rotation of the cutting roll. The rotational force is obtained from the linear motion of the feed table 42, and the rotational speed can be easily adjusted by the mounting ratio of the gear.

In addition, it is preferable to mount the flexible shaft 46 so that the transmission of the rotational force from the lower gear 44 to the upper side can be made easily without being coaxial. In the present invention, two flexible shafts 46 are provided. An upper portion of the flexible shaft 46 has been shown an embodiment in which the cutting roll 45a and the fusion roll 45b are respectively connected and rotated by a belt 48.

In addition, the cutting is preferably made at the center of the fusion portion 61 of the fabric 6 so that the fused rim of the produced wiper is a certain size. As shown in FIG. 4, the fusion apparatus 5 has a fusion portion 61 while the horn 54 is transported with the cutting roll 45a in close contact with the fabric 6 on the opposite side of the cutting roll 45a. To form. The horn 54 is to increase the amplitude of the ultrasonic wave and to concentrate on a certain portion, and the price is manufactured at a considerably high price. Therefore, the price of the horn having a length corresponding to the width of the fabric (6) is quite expensive, and as in the present invention, if the horn is transportable and formed small can significantly reduce the unit cost of the device.

In addition, when the horn 54 is a reciprocating movement of a predetermined width to produce a wiper from the fabric having a different width can be controlled in the control operation unit 3 to fusion only necessary parts, the production of the wiper of various specifications It also has the advantage of being easy. Further, in the related art, since the fusion portion 61 is formed by the horn and is sequentially cut at one end using the cutting roll 45a, the fusion portion 61 has a different cooling state and a fusion portion 61 over a long width. The uniform production of) is difficult, but the present invention has the advantage that it is possible to form a uniform fusion portion 61 and cutting under the same conditions.

In addition, in the present invention, guide rails 55 each having a protruding portion in the longitudinal direction are formed on both sides of the second feed shaft 51, and the guide rails 55 are formed on the ultrasonic generator feed table 52, respectively. In accordance with the present invention, a guide groove 56 for guiding corresponding to the above is further provided, which allows the ultrasonic generator feed table 52 to suppress other vibrations to the maximum to form a more stable fusion portion 5. Doing. In addition, the guide rail 55 will be formed in the cutting device 4 as well as the fusion device 5 always will be a preferred embodiment.

In addition, in the present invention, the cylinders 49a and 49b are provided with an upper fixing bar 47a and a lower fixing bar 47b to fix the upper and lower portions of the fabric 6 and to have a predetermined tension when cutting the fabric 6. It can be fixed by). That is, when the fabric 6 is supplied from the top to the bottom, the upper fixing bar 47a and the lower fixing bar 47b are fixed to the upper and lower portions of the fabric 6 by the cylinders 49a and 49b, respectively. In addition, the lower fixing bar (47b) is fixed to the lower portion of the fabric (6) by moving the predetermined length by the cylinder 49b to have a constant tension to facilitate the fusion process and cutting process.

Hereinafter will be described the operation of the apparatus of the present invention configured as described above.

First, the fabric wound in a roll form (not shown) is supplied to the cutout portion 2 while being properly unfolded by the fabric conveyance portion 1 while being controlled by the adjustment unit 3. The raw material 6 supplied in parallel with the ground from the conveying part 1 is supplied in the direction of gravity to the cutting part 2 installed at right angles with the conveying part 1 to grip and move the original fabric as in Patent No. 300536. There is no need for additional instruments. When the fabric 6 is supplied to the cutting portion 2, the upper fixing bar 47a and the lower fixing bar 47b operate to grip the fabric to finish the cutting and fusion process. At this time, the lower fixing bar 47b is deflected to the right in the direction looking at the drawing 2 rather than the upper fixing bar 47a to apply a certain amount of tension to the fabric 6 when the fabric 6 is gripped, and the fabric ( 6) is brought into close contact with the horn 54. When the fabric 6 is in close contact with the horn 54 and ready to cut, the first feed shaft 41 is rotated, and the cutting roll feed table 42 mounted thereon is in the direction of the ground in the direction looking at the drawing 2. The fabric 6 is fused and cut by the cutting roll 45a and the fusion roll 45b mounted on the cutting roll carrier 42 while moving. At this time, since the gear 44 is engaged with the rack 43 installed in parallel with the first feed shaft 41, the cutting roll 45a is formed by the flexible shaft 46 and the belt 48 that are sequentially connected to the gear 44. The fusion roll 45b is rotated while being in close contact with the horn 54. In addition, simultaneously with the rotation of the first feed shaft 41, the second feed shaft 51 is also rotated so that the horn 54 mounted thereto moves in the same direction as the movement of the cutting roll 45a and the fusion roll 45b. Will be done. When the fabric 6 is cut by the cutting roll 45a and the fusion roll 45b, the cut fabric 6 pieces fall to the bottom, and the lower fixing bar 47b and the upper fixing bar 47a are made of fabric. The grip of (6) is released, and the first feed shaft 41 and the second feed shaft 51 are rotated back to their original positions to prepare for cutting and fusion of the next part.

As described above, the present invention has an effect that the length of the expensive horn is greatly reduced, thereby reducing the production cost of the apparatus.

In addition, the fusion device including the horn is reciprocated by a predetermined interval by the control unit has the effect that it is possible to produce a wiper of various specifications in the fabric having a wide width.

There is an effect of forming a stable and uniform fusion surface by moving along the guide rails so as to make the movement of the ultrasonic generator carriage more stable.

Claims (3)

A transfer unit 1 for transferring the fabric 6 by a plurality of rollers 11 formed at the rear and the upper portion of the main body; A cutting part 2 formed at the front of the main body to fix the upper and lower portions of the fabric 6 and to adjust the tension to cut the fabric 6 to a predetermined size; In the wiper cutting device consisting of a control adjustment unit (3) for controlling the feed amount of the fabric (6) and the operation of the other device; The cutting portion 2 is rotated by a motor and the first feed shaft 41 is a thread formed along the outer peripheral surface, and the first feed shaft 41 is inserted into the rotation of the first feed shaft 41 Cutting roll feed table 42 for conveying from side to side, and cutting roll 45a and fusion roll 45b for crimping and cutting the fabric 6 supplied by the conveying unit 1 while rotating. Device 4; A second feed shaft 51 formed on the other side of the cutting device 4 and rotating the same as the first feed shaft 41, and the second feed shaft 51 are inserted into the second feed shaft 51. Ultrasonic wave generator transfer table 52 to move left and right according to the rotation of the), the ultrasonic generator 53 mounted on the ultrasonic generator feed table 52, and the amplitude of the ultrasonic wave oscillated from the ultrasonic generator 53 is enlarged And a fusion device (5) consisting of a horn (54) for fusion of the fabric (6) supplied in contact with the fusion roll (45b) by oscillating ultrasonic waves behind the cut portion of the fabric (6). Wiper cutting device. The gear of claim 1, wherein the cutting roll 45a and the fusion roll 45b are engaged with and rotated by the rack 43 and the rack 43 formed along the conveying direction of the cutting roll feed table 42. Wiper cutting device, characterized in that rotated by a belt (48) connected to the end of the flexible shaft (46) coupled to (44). According to claim 1 or claim 2, On both sides of the second conveying shaft 51, guide rails 55 are formed, each of which has a protruding portion in the longitudinal direction at the upper left and right sides are formed, respectively, and the ultrasonic generator conveying table 52 The wiper cutting device, characterized in that the guide groove 56 for guiding corresponding to the guide rail 55 is further formed.