KR101683836B1

KR101683836B1 - Tension control apparatus for working of film

Info

Publication number: KR101683836B1
Application number: KR1020160004833A
Authority: KR
Inventors: 최유해
Original assignee: 최유해
Priority date: 2016-01-14
Filing date: 2016-01-14
Publication date: 2016-12-08

Abstract

The present invention relates to a vacuum device for controlling tension to transfer a film. The vacuum device for controlling tension to transfer a film can consistently maintain transfer tension of a film (F) by being installed in a position requiring tension control of the film (F) on a transfer line of the film (F) in an automation device automatically and continuously performing a processing work such as a cutting work, a laminating work, and a punching work separately or alternately on the film (F) supplied and transferred in a roll type. According to the present invention, the vacuum device for controlling tension to transfer a film includes: a square box (100) with an open upper surface, wherein the film (F) is inserted therein in a shape of forming the U-shaped transfer line; an air transfer device (202) tightly drawing the film (F) using a suction force formed when air in a closed space formed by the film (F) in the square box (100) is sucked and discharged, wherein the air transfer device (202) is connected to penetrate a transfer pipe (201) under one side of the square box (100); and a width control guide unit (300) having the closed space on the lower side of the film (F) with the film (F) and formed in the square box (100), wherein the width control guide unit (300) can control a width to be close to both edge lines of the film (F) to correspond to the width of the film (F) transferred.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a vacuum apparatus for controlling the tension of a film transfer, and more particularly, to a vacuum apparatus for controlling a film transfer tension by providing an air suction type vacuum apparatus on a film transfer line, The present invention relates to a vacuum device for controlling tension of a film conveying tension, which can reliably and precisely work by holding a film conveyed in an unfolded state by pulling the film in an unstressed manner.

As will be appreciated, various types of films may be used in various devices for purposes of adhesion or protection. Various types of protective or adhesive films may be used in devices such as, for example, mobile phones, semiconductors, TVs, displays or automobiles.

These various types of films are lapped, punched (or die cut), and sometimes cut and used depending on the application.

Various kinds of automation devices such as a film joiner, a film raster (or a die cutter), an automated composite device that performs lapping and punching of a film in a continuous process are disclosed in the automated apparatus that processes the film in accordance with the use purpose .

In the various types of automation devices as described above, the film is fed in a sheet form or continuously fed and supplied in a roll type.

Among them, in an automatic apparatus in which a film is continuously supplied in a roll type, it is very important to maintain the film transfer tension constantly (or maintain tension) before and after the film is subjected to processing such as lapping, punching, and cutting .

For this purpose, various types of tension control devices have been implemented and used in automatic devices that continuously transfer roll type films to keep the film transfer tension constant.

For example, Korean Patent Publication No. 0421081 (published on Apr. 3, 2004) discloses a technique relating to a film attaching lapping machine. In the film attaching lapping machine, a tension adjusting member A horizontal moving base on which both ends of the adjusting roller are supported by bearings and inserted into a horizontal guide groove of the intermediate support, a fixing table fixedly installed on the outermost of the horizontal guide groove, And the horizontally movable stage is moved back and forth along the horizontal guide groove by the operation of the horizontal adjustment handle.

A technology relating to a thermoplastic plastic sheet and a film bonding apparatus is disclosed in Korean Patent Publication No. 0733542 (Jun. 28, 2007). In order to stably bond a plastic sheet and a film in the film bonding apparatus, It is equipped with a roller-type tension control roll so that it can be stretched tightly.

In addition, Korean Patent Publication No. 1546657 (published on Aug. 22, 2015) discloses a technique related to a die cutting press apparatus for film cutting, in which a die cutting press apparatus capable of continuous cutting of a film, A conveying shaft formed at a front side of the pressurizing unit, a conveying unit disposed at a position facing the conveying shaft and conveying the cut raw film, so as to reduce the deformation of the film during the process, A servo roll for feeding the raw film fed from the feeding unit at a predetermined feeding speed and a feeding roller for adjusting the tension of the cutting film while adjusting the position of the feeding shaft of the separating unit So that the user can have a function of adjusting.

On the other hand, Korean Patent Registration No. 1013569 (published on Mar. 14, 2011) discloses a feed punching device and a technique relating to a raw material punching machine for a keypad for a mobile phone having the feeding device, and Korean Patent Application Publication No. 2012-34709 Discloses a technique related to a film punching apparatus.

1 shows an example of a punching apparatus for film punching in the conventional roll-to-roll method.

1, the punching apparatus for punching a film includes a press section for punching a film F, a supply section for supplying the film F with the press section, a stack for cutting and punching the punched film F, &Lt; / RTI >

The press section includes a lower mold 12 fixed on the upper side of the die 10, an upper mold 11 vertically operated as a structure corresponding to the lower mold 12, and an actuator for actuating the upper mold 11. [ (13).

Here, the upper and lower molds 11 and 12 generally have a structure capable of forming a plurality of punching holes at the same time.

The supply unit includes a reel 20 on which a film F is wound and rotatably mounted, a plurality of support rollers 21 for supporting and guiding the film F, A tension unit 22 which is vertically fed so as to maintain a tension state of the film F to be fed between the tensioner unit 22 and a position sensor 23 which senses a vertical feed position of the tension unit 22. [

The cutter 31 cuts the film F fed by the feed roller 30 at regular intervals. The cutter 31 cuts the film F at a predetermined interval, And a loading unit 32 for loading a film cut in a sheet form.

According to the conventional film punching punching apparatus described above, the film F is unwound and fed by the feeding roller 30 to be fed to the punching position between the upper and lower dies 11 and 12, and is fed to the actuator 13 The upper mold 11 is operated to punch the film F and the punched film F is cut by the cutter 31 and then housed in the stacking unit to complete the punching operation.

As described above, a roller system such as a tension unit 22 capable of applying a tension to a film F to be fed in order to keep the transfer tension of the film F supplied in the roll type constant is mainly applied.

As described above, the method of applying the tension to the film transferred by the roller method is variously changed depending on the type of the automation machine, and it is inevitably subject to various variations in the installation position and the installation structure, There has been a limit to widely applicable to various types of automated apparatuses for transporting roll-type films.

Korean Registered Patent No. 0421081 (2004. 3.4 Announcement, Name: Film Adhesive Fusing Machine) Korean Registered Patent No. 0733542 (Jun. 28, 2007, name: thermoplastic plastic sheet and film bonding apparatus) Korean Patent Publication No. 1546657 (Announcement: Die cutting press apparatus for film cutting) Korean Patent Registration No. 1013569 (Feb. 24, 2011, entitled: Feeding Apparatus and Fabric Punching Machine for Keypad with Cell Phone) Korean Patent Laid-Open Publication No. 2012-34709 (April 12, 2012, name: film punching device)

Accordingly, the present invention provides a new type of tension adjusting device which can be universally applied to various types of automated apparatuses for transferring the roll type film as described above, and can maintain the transfer tension of the roll type film continuously transferred. It is research and development to provide.

That is, an object of the present invention is to provide a vacuum suction device of a vacuum suction type on a film transfer line, so that when the film is transported and punched out, lapped or cut, the film is pulled up by vacuum suction by air suction, And to provide a vacuum device for controlling tension of a film conveying force, which is capable of maintaining a stable and precise operation while maintaining a state of tension.

In order to accomplish the above object, the present invention provides an automatic apparatus capable of automatically and continuously performing a processing operation such as a cutting operation, a lapping operation, and a punching operation on a film fed and fed in a roll type, A film conveying tension adjusting device which is installed at a position where a tension of a film is required in a conveying line to maintain a conveying tension of the film constantly, A box and a rectangular box, which are connected to each other through one side of the rectangular box through a delivery pipe, so that the air is sucked and discharged in a closed space formed by the film in the rectangular box, Which is characterized in that it has a feature to provide a vacuum device for controlling the film transfer tension, It is.

According to the present invention, in the rectangular box, the space can be adjusted so as to be in close contact with both edge lines of the film in accordance with the width of the film to be transferred, and a closed space can be formed on the bottom side of the film together with the film And a width adjusting guide means for vertically dividing the inside of the rectangular box.

According to a preferred embodiment of the present invention, the width adjusting guide means includes a pair of guide shafts arranged horizontally across the inside of the rectangular box so as to guide the feeding of the film, A pair of adjustment shafts having a pair of guide shafts, and a pair of adjustment shafts having a relationship with the guide shafts; a fixing plate vertically partitioning the inside of the rectangular box while being fixed to one side of the guide shafts while being inserted through the guide shafts; And a control plate which is installed movably along the guide axis by the operation of the control shaft and which is capable of adjusting the interval between the control box and the fixed box.

According to the present invention, in various types of automated apparatuses for transferring roll-type films in order to process films required for various electronic products such as mobile phones, semiconductors, displays, and other products, Which is provided at a necessary position and is capable of tightly pulling the film by a vacuum suction method by air suction so as to keep the film conveyed in an unfolded state, It is possible to apply it universally to an automatic apparatus requiring a tension control device capable of maintaining a constant tension. In addition, since the film pulls up due to the attraction force of suction and discharge of air, As a result, the impact of the film is transmitted to the film itself There is an effect that the film can be buffered when the film is wound on the film, and the transfer tension is stably controlled so that the film can be stably and precisely worked.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view schematically showing an example of a roll punching punching apparatus according to the prior art. Fig.
2 is a perspective view showing a configuration of a vacuum apparatus for controlling the film transfer tension according to the present invention;
3 is an exploded perspective view showing the structure of a vacuum apparatus for controlling the film transfer tension according to the present invention.
4 is a schematic cross-sectional view showing the configuration of a vacuum apparatus for controlling the film transfer tension according to the present invention.
5 is a view showing an example of an automatic machine capable of cutting and laminating work by transferring a roll type film to which a vacuum device for controlling the film transfer tension according to the present invention is applied.

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

In order to explain the preferred embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the attached drawings may be exaggerated or omitted for clarity and convenience of description, Terms to be given are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

In particular, in describing the present invention, terms (or names) that refer to orientations or positions, such as "top," "bottom," "side," and the like, The term " a " is not limited to a meaning of a term itself, and a direction or a position may be changed according to a change of a placement relationship and an arrangement relationship of components, It will be understandable enough.

As shown in FIGS. 2 to 4, in the vacuum apparatus 1 for adjusting the film transport tension according to the present invention, a vacuum condition is formed in a closed space in the course of sucking and discharging air, and a film being transported is pulled And is composed of a rectangular box 100, an air suction means 200, and a width adjustment guide means 300.

The rectangular box 100 provides a space in which a certain level of vacuum is formed as air is sucked and discharged. The rectangular box 100 has a box shape of a hexahedron having an opened upper surface.

The air suction means 200 includes a delivery pipe 201 connected to one side of the rectangular box 100 and an air delivery device 202 connected to the delivery pipe 201.

The air delivery device 202 may be an electric pump or an electric blower capable of sucking air to one side and discharging the air to the other side. The air delivery device 202 is disposed below one side of the rectangular box 100 And is connected to the rectangular box 100 through a delivery pipe 201.

Therefore, by sucking air inside the rectangular box 100 by the operation of the air delivery device 202 and discharging the air through the delivery pipe 201, a vacuum state can be formed on the closed space in the rectangular box 100 will be.

A width adjusting guide means 300 is disposed in the rectangular box 100. The width adjusting guide means 300 is disposed to extend across the inside of the rectangular box 100 so as to guide the feeding of the film. A pair of guide shafts 301 and an adjustment shaft 302 horizontally arranged in the vertical direction and a pair of guide shafts 301 and an adjustment shaft 302 which are horizontally arranged vertically and horizontally along the guide shaft 301 by operation of an adjustment shaft 302 inserted into the guide shaft 301 And is composed of a throttle plate 303 and a fixed plate 304 which move and divide the space.

The fixing plate 304 is fixed to one side of the guide shaft 301 and vertically divides the inside of the rectangular box 100. The adjusting plate 303 is fixed to the inside of the rectangular box 100 And is movable along the guide shaft 301 by the operation of the adjustment shaft 302 so that the gap between the fixing plate 304 and the fixing plate 304 can be adjusted.

At this time, a roll type transfer film is inserted between the throttle plate 303 and the fixing plate 304 in the rectangular box 100 to form a transfer line.

That is, the regulating plate 303 forms a U-shaped transfer line between the fixing plate 304 and the fixing plate 304 and can be in close contact with both edge lines of the film F depending on the width of the transferred film F A closed space is formed by the throttle plate 303 and the fixing plate 304 in the lower space of the film conveyed inside the rectangular box 100 and the air in the closed space is supplied to the air delivery device A certain level of vacuum condition is realized in the closed space in the process of sucking and discharging by the vacuum pump 202.

Accordingly, vacuum suction force acts on the bottom surface of the transported film while forming a closed space together with the throttle plate 303 and the fixed plate 304 in the rectangular box 100 while sucking air through the air delivery device 202 As the film is pulled in the air suction direction, the film to be fed is pulled tightly without being stretched, so that a constant feeding tension can be maintained.

The vacuum apparatus for controlling the film transfer tension according to the present invention having the above-described structure can be widely used in automation equipment for performing various operations such as lapping, punching, and cutting by transferring a roll-type film.

FIG. 5 is a view showing an example of an automatic apparatus capable of cutting and laminating work by transferring a roll-type film to which a vacuum apparatus for controlling a film transfer tension according to the present invention is applied.

That is, the automation device shown in FIG. 5 is a type of automation device capable of cutting a raw film to a predetermined size and laminating the raw film on a base film at predetermined intervals during a process of manufacturing a mobile phone window.

5, when the rolled raw film F1 is fed onto the film feeder 2 in a state where the raw film F1 is continuously fed and fed, The fingers f around the fingers F1 are peeled off and wound on the fingertip winding part while cutting the tailoring film F1 to a predetermined size at the cutting and joining part 3, The base film F2 is fed and fed to the base film F2.

At this time, on the transfer line between the film feeding part 2 and the cutting and joining part 3, the tension controlling vacuum device of the present invention (as shown in FIG. 5) 1 can be disposed on the base film F2 and the transfer tension of the base film F2 can be maintained constant on the transfer line of the base film F2 fed and fed to the cutting and joining section 3. [ The device 1 can be arranged.

The film F in which the raw film F1 cut to a predetermined size in the cutting and joining section 3 is laminated on the base film F2 at regular intervals is continuously transported for a subsequent process The tension controlling vacuum device 1 of the present invention is arranged on the conveying line in order to keep the conveying tension of the film F constant.

5 shows a configuration in which a tension control vacuum device 1 is disposed on a transfer line conveyed to a protective paper leg portion 4 in order to hold a protective paper (not shown) on the film F .

The film F on which the protective paper is laminated in the protective paper joint part 4 is wound up on the film take-up part 5 so as to be prepared as a film F necessary for a subsequent process for the complete manufacture of a cellular phone window.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of various changes, modifications and equivalents. Accordingly, the above description should not be construed as limiting the scope of the present invention defined by the limits of the following claims.

1: Vacuum apparatus 2: Film supply unit
3: Cutting and joining part 4: Protective joint part
5: Film winding part 100: Square box
200: air suction means 201: delivery pipe
202: Air delivery device 300: Width adjustment guide means
301: guide shaft 302: regulating shaft
303: throttle plate 304: fixed plate

Claims

(F) in the transfer line of the film (F) in an automated apparatus which can automatically and continuously perform the processing operations such as cutting operation, laminating operation and punching operation on the film (F) F) is provided at a position where the tension of the film (F) is required to maintain the transfer tension of the film (F) at a constant level. The film (F) And a closed space formed by the film F in the rectangular box 100 so as to pass through the discharge pipe 201 below the one side of the rectangular box 100, And an air delivery device (202) capable of pulling up the film (F) by an attraction force formed when the air in the film (F) is sucked and discharged,
The rectangular box 100 has a structure in which the interval between the edges of the film F can be adjusted so as to be closely attached to both edge lines of the film F in accordance with the width of the film F to be fed, And a width adjusting guide means 300 for vertically dividing the interior of the rectangular box 100 so as to form a closed space on the side of the film guide 300. The width adjusting guide means 300 can guide the transport of the film F A pair of guide shafts 301 arranged horizontally across the inside of the rectangular box 100 and a pair of adjustment shafts 302 horizontally aligned with the guide shafts 301, A fixing plate 304 vertically partitioning the interior of the rectangular box 100 while being fixed to one side of the guide shaft 301 in a state of being inserted into the shaft 301, (100) while vertically dividing the inside of the rectangular box (100) And a regulating plate (303) movably installed along the guide shaft (301) by the operation of the shaft (302) and capable of adjusting a gap between the fixing plate (304) and the regulating plate (303).

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