KR20050050460A - Labeling machine for attaching shielding sheets - Google Patents

Abstract

The present invention is achieved by providing an adhesive of a protective paper installed on the surface of a liquid crystal display (LCD) to display the input and output information in an image in an electronic product, to prevent scratches. Supply and recovery reel for supplying and recovering the carrier tape in which the sheets of protective paper are arranged in series on both sides, and supplying the carrier tape by maintaining a gap at a proper place between the feed and recovery reel for the carrier tape. Carrier tape supply for supplying the tape at a predetermined length by a pair of clampers for intermittently stopping and releasing the carrier tapes which are installed in both directions and in both directions, and a stepper motor installed between the pair of clampers to drive forward and reverse. From the feeder and the clamper on the rear side of the clamper A stamp having a pressure head which is kept at a distance and is orthogonal to a conveying direction of the carrier tape and which is lifted in two stages by first and second actuators, and the carrier tape is transported between the rear clamper and the stamp The carrier tape is loaded and unloaded to one side of the lower portion of the stamp while driving forward and backward along the timing belt driven by the step motor, which is installed on the same horizontal line as the path. Including a lead blade to be bent at an acute angle in the peeling step of removing the protective paper from the carrier tape and the feeder for the adherend is installed on the other side of the lower right side of the stamp to supply the adherend to adhere the protective paper It is.

Description

Labeling machine for attaching shielding sheets}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a protective paper gluer provided to prevent scratches on the surface of a liquid crystal display (LCD) that displays input and output information as images in various electronic devices such as portable computing, measuring instruments or mobile phones.

The liquid crystal display, which is installed to display various input / output information such as letters and graphics in various electronic products, is made of transparent synthetic resin board and exposed to the outside from the front of the product. The liquid crystal display, which is installed very much, causes the surface to collide with neighboring neighboring products or be scratched by foreign matters, and such scratches are damaging to the product such as deteriorating the image quality of the liquid crystal display.

Thus, in recent years, protective papers are essentially installed on the surface of the liquid crystal display to prevent scratches. The protective paper is usually formed of a vinyl paper having an adhesive layer on one surface, that is, a film form, and is detachably attached to the surface of the liquid crystal display. have.

Such an adhesive machine uses a supply and recovery reel to arrange protective paper at equal intervals on the tape to be supplied and recovered, and thus to provide one protective paper for each stroke by a feeding device. This protective paper is moved to the adherend (product) side to perform the desired bonding process. By moving the protective arm to the adherend using the Robert arm, the apparatus is provided by peripheral devices for driving the robot arm. Is structurally complicated, bulky, and frequently defective, that is, when the supply of protective paper is not stable to the liquid crystal display, which is a deposit, the feeding of the protective paper is not accurate, and thus the protective paper is not correctly adhered to the liquid crystal display, so that it cannot be bonded. The device is less precise The stability of the device is deteriorating, such as unstable tablets.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and its object is to supply protective paper to a lead blade driven by a timing belt cooperating with a step motor for driving a feeder for feeding a carrier tape, thereby simplifying the structure and mechanically. It is to provide a protective paper gluer which is excellent in precision and is stable and accurate in feeding of protective paper, so that the protective paper can be accurately adhered to the adherend.

This object of the present invention is achieved by providing an adhesive of a protective paper that is installed to prevent scratches on the surface of the liquid crystal display (LCD) that displays the input and output information in the image in the electronic products, these adhesives various electronic products A protective paper adhesive that is provided with an adhesive layer on one surface and is detachably installed to prevent scratches on the surface of the liquid crystal display (substrate) that displays various input / output information such as letters and graphics in an image. And a supply and recovery reel for supplying and recovering a carrier tape in which the sheets of protective paper are arranged in series on both sides of the apron, and maintaining a gap at an appropriate place in the transfer path of the carrier tape between the supply and recovery reel. The carrier tape which is installed and conveyed to both sides before and after the feeding direction of the tape From a pair of clampers to stop and release intermittently, a feeder for supplying a carrier tape which feeds the tape by a predetermined length by a step motor installed between the pair of clampers and driven forward and backward, and from the rear of the clampers. A stamp having a pressure head which is maintained at a constant distance and is orthogonal to the conveying direction of the carrier tape and which is lifted in two stages by first and second actuators, and between the rear clamper and the stamp; The carrier tape is loaded and unloaded to one side of the lower portion of the stamp while driving forward and backward along the timing belt driven by the step motor, which is installed on the same horizontal line as the transfer path. Bend at an acute angle at the tip to prevent the protective paper from the carrier tape It includes a lead blade for performing the function of removing the peeling step and the feeder for the adherend is provided on the other side of the lower portion of the stamp to supply the adherend to adhere the protective paper.

Next, an embodiment of the present invention will be described in detail with reference to the drawings. 1 and 2, the protective paper adhesive according to the present invention is shown in detail, which is an example of a liquid crystal display (an adherent) for displaying various input / output information such as letters and figures in a mobile phone as an image. It shows an adhesive for adhering protective paper to the surface.

The adhesive machine of the present invention mounts an apron 12 made of a flat plate material on the frame 10 and arranges the sheet of protective paper 13 having the adhesive layer 13a on one side on both sides of the apron 12 so as to be peelable. The supply and recovery reels 15 and 16 for supplying and recovering the carrier tape 14 are installed, and the carrier tape 14 is placed between several supply posts 17 between the supply and recovery reels 15 and 16. ) Is intermittently transferred on the desired trajectory, and the mechanical elements to perform the bonding process are appropriately arranged at the proper position of the transfer path of the carrier tape 14 to perform the desired bonding process.

More specifically, the carrier tape 14 is disposed and transported in parallel in the front and rear of the carrier tape 14 in a proper direction on a horizontal line at a suitable position between the supply and recovery reels 15 and 16. A pair of clampers 18 are installed to temporarily stop / release the carrier tape 14 conveyed by the step motor, which will be described later, while guiding the conveyance to a horizontal state in a certain section.

Here, the clamper 18 is composed of a presser 18b which is driven up and down by a bed 18a on the lower side and a pneumatic actuator 18c on the upper side with the carrier tape 14 at the center, and the presser 18b. Is applied to the bed 18 to apply a pressing force and to be released and released on the bed 18 will cause the carrier tape 14 to stop intermittently. At this time, the bed (18a) is released on the bed (18a) is released from the bed (18a) is released, that is, the release signal is transmitted and at the same time acting on the slid to move the carrier tape 14 is adsorbed on the surface The carrier tape 14 was prevented from striking between both clampers 18 to maintain tension. This will increase the stability and precision in the supply of the carrier tape 14.

The carrier tape supply feeder 20 for supplying the carrier tape 14 is interposed on the same horizontal line between the pair of clampers 18. The feeder 20 for supplying the carrier tape has a capstan roller 20b driven by a step motor 20a driven forward and backward by a control signal on the lower side with the carrier tape 14 in the center, and the control on the upper side. The pneumatic actuator 20c, which is driven up and down by a signal, consists of a pinch roller 20d contacting and releasing to the apex of the capstan roller 20b to supply the carrier tape 14 intermittently by a predetermined length.

On the other hand, the stamp 22 is provided in the direction orthogonal to the conveyance direction of the carrier tape 14 at a predetermined distance from the rear clamper 18 of the pair of front and rear clampers 18. This stamp 22 is provided with a push head 22c which is raised and lowered in steps of 1.2 by the first and second actuators 22a and 22b driven by a control signal. At this time, the tip of the holding head 22c includes a rolling contact roll 22d.

In addition, between the rear clamper 18 and the stamp 22, the lead blade for lowering and unloading the carrier tape 14 directly below the stamp 22 while moving in the same horizontal line as the transport path of the carrier tape 14. 24 is provided. The lead blades 24 are installed in parallel with the carrier tape 14 as shown in FIG. 3 and run forward and backward along the timing belt 25 cooperating with the step motor 20a driven forward and backward by the control signal. While moving to, the carrier tape 14 is loaded and unloaded to one side directly below the stamp 22. Here, the lead blade 24 has a sharp blade shape, and the peeling process of removing the protective paper 13 from the carrier tape 14 by bending the transfer path of the carrier tape 14 at an acute angle at the tip thereof. It will include a guide post (19) that is installed to make.

The feeder 27 for supplying the adherend for loading and unloading the adherend 26 is provided on the other side immediately below the stamp 22. The feeder 27 for supplying the adherend is provided with a guide rail 27a provided from the other side of the stamp 22 portion directly below the stamp 22, and guided by the guide rail 27a and mounted by vacuum pressure. It consists of the jig 27c which loads and unloads the to-be-adhered object 26 to the underside of the stamp 22 by the actuator 27b which pneumatically drives.

Next, the bonding process of the present invention will be described with reference to FIGS. 4A, 4B, 4C, 4D, and 4E. 4A shows an initial operation. At this time, as the standby mode before the carrier tape 14 is loaded to the stamp 22 side, the carrier tape 14 is stopped while each pressing table 18b of both clampers 18 is pushed down on the bed 18a. To keep it. At this time, the protective paper 13 on the carrier tape 14 is partially peeled off and partially pulled out toward the front side.

In this state, when a driving signal is given from the control unit, as shown in FIG. 4B, each presser 18b of both clampers 18 is lifted up and separated from the bed 18a to release the carrier tape 14. In addition, the carrier tape feeder 20 is driven, that is, the pinch roller 20d is lowered to contact the carrier tape 14 on the capstan roller 20b to perform a desired pitching process. At this time, the timing belt 25 which cooperates with the step motor 20a for driving the carrier tape feeder 20 is also driven simultaneously to load the lead blade 24 to one side directly under the stamp 22. Here, the back of the carrier tape 14 in the feed advancing direction of the carrier tape 14 with the lead blade 24 as its center is compensated for by the carrier tape 14 released from the supply reel 15 and the front side of the recovery reel 16. The carrier tape 14 will be automatically recovered by the back tensioning action.

4C shows that the loading of the carrier tape 14 is completed and both clampers 18 are lowered again to stop the carrier tape 14 on the bed 18a. The stamp 22 that was present was lowered by one step by the control signal, and the protective paper 13 was adsorbed to the holding head 22c.

4D illustrates a state in which the carrier tape 14 is unloaded. Here, both clampers 18 are to stop the carrier tape 14 as it is in the loading state and to perform the unloading process by reversing only the lead blade 24, at this time supply of the carrier tape 14 Is not advanced, and the carrier tape 14 used after the two clampers 18, that is, the protective paper 13 is peeled off, is automatically recovered to the recovery reel 16 by the back tensioning action of the recovery reel 16. While performing the peeling process of the protective paper 13 to be bonded while being made to wait for the next bonding process. The unloading of the carrier tape 14 is performed, and a signal is received at which the feeder 27 for supplying the deposit is finished loading to the other side directly below the stamp 22, and the stamp 22 is applied to the control signal. As a result, the process of partially landing the protective paper 13 adsorbed to the shock absorbing head 22c on the adherend 26 by two steps is performed simultaneously. At this time, the rolling contact roll 22d of the holding head 22c may apply a force of pressing the protective paper 13 down onto the adherend 26.

FIG. 4E shows the feeder 27 for supplying the adherend after the stamp 22 has been lowered in two stages, and then successively driven after the process of partially landing the protective paper 13 adsorbed on the holding head 22c on the adherend 26. Is showing an unloaded state. At this time, the protective paper 13 adheres the protective paper 13 to the adherend 26 by pressing the rolling contact roll 22d on its surface during the unloading of the adherend 26 to perform the adhesion process. Complete and wait for the next bonding process.

Then, the effect of the adhesive machine of the present invention will be described. The present invention feeds the protective paper to be adhered to the liquid crystal display of the adhered to the correct position and is accurately adhered to the liquid crystal display without shifting the protective paper.

In addition, by using a rolling contact roll with a suitable pressing force is applied to the protective paper stably without bubbles on the surface of the liquid crystal display has the effect of improving the adhesiveness as well as product properties.

As described above, an embodiment of the present invention has been described, but the present invention is not limited thereto and may be changed within the scope of the claims.

1 is a front view showing the overall configuration of the protective paper adhesive machine of the present invention.

Figure 2 is a side view of the protective paper adhesive machine of the present invention.

Figure 3 is a partial cross-sectional view showing the configuration of the feeder for supplying the carrier tape as the main technology in the adhesive machine of the present invention by cutting along the portion A-A line of FIG.

Figures 4a, 4b, 4c, 4d is an explanatory view showing a series of operations to adhere the protective paper to the adherend in the adhesive machine of the present invention,

Figure 4a is a state that the carrier tape is waiting to be loaded to the stamp side,

4b is a state in which the carrier tape is finished loading with a stamp,

4c is a state in which the compression head of the stamp is lowered by one step to adsorb the protective paper of the carrier tape.

4D is a state in which the adherend is finished loading to the lower portion of the stamp and at the same time the pressure head of the stamp descends two steps to land the protective paper on the adherend.

4E is an explanatory view showing a state in which the protective paper is attached to the surface while the adherend is unloaded while the protective paper is landed.

Figure 5 is an exemplary view showing the adherend adhered to the protective paper using the present invention adhesive.

Explanation of symbols for the main parts of the drawings

12: apron 13: protective paper

14: carrier tape 15: supply reel

16: recovery reel 17: guide post

18: clamper 19: guide post

20: feeder for carrier tape supply

22: stamp 24: lead blade

25: timing belt

26; Substrate 27: Feeder for Substance Supply

Claims (7)

A protective paper adhesive that is provided with an adhesive layer on one surface and is detachably installed to prevent scratches on the surface of the liquid crystal display (substrate) that displays various input / output information such as letters and graphics in various electronic products. , apron; A supply and recovery reel for supplying and recovering a carrier tape in which the sheets of protective paper are arranged in series on both sides of the apron; A pair of clampers intermittently stopping and releasing the carrier tape which is installed at both sides of the carrier tape in a forward and backward direction of the carrier tape and intermittently stopped at a suitable place between the supply and recovery reels; A carrier tape supply feeder installed between the pair of clampers to supply the carrier tape by a predetermined length by a step motor driven in a forward and reverse direction; A stamp having a push head which is maintained at a predetermined distance from a rear clamper among the clampers and is installed in a direction orthogonal to a conveying direction of the carrier tape, and which is lifted in two stages by first and second actuators; The carrier tape is loaded to one side directly below the stamp while driving forward and backward along the timing belt driven by the step motor, which is installed on the same horizontal line as the carrier tape transfer path between the rear clamper and the stamp. A lead blade which unloads and serves as a peeling process of bending the conveying path of the carrier tape at an acute angle at a tip to remove the protective paper from the carrier tape; And And an adherent supplying feeder which is installed at the other side of the stamp directly below and supplies an adherend to which the protective paper is bonded to the lower side of the spam. The method of claim 1, The feeder for supplying the carrier tape has a capstan roller which is integrally installed on the output shaft of the stepper motor with the carrier tape at the center, and is installed in the direction perpendicular to the carrier tape at the upper side and driven by a signal of a control circuit. A protective paper gluer comprising a pinch roller configured to be lifted by an actuator and in contact with a vertex of the capstan roller. The method of claim 1, The pair of clampers are installed on the same horizontal line as the transport path of the carrier tape downward with the carrier tape in the center, and support the transport by supporting the carrier tape, and driven by a signal of a control circuit on the bed. And a holder configured to apply a stopping force while pressing the carrier tape on the bed while being lifted by an actuator. The method of claim 3, And the bed is vacuum-pressured to act to release the carrier tape and simultaneously adsorb the carrier tape onto the bed so that the tension of the carrier tape is maintained. The method of claim 1, And the lead blade is provided at a lower rear side of the side wall, and has a guide post for bending the transfer path of the carrier tape at an acute angle. The method of claim 1, And a rolling roll for pressing the protective paper against the adherend in the process of landing the protective paper on the adherend and adhering the protective paper to the adherend. The method of claim 1, The feeder for supplying the adherend includes a guide rail installed between the other side of the stamp directly below and the lower portion of the stamp, the guide rail is guided by the guide rail, and the adherend is mounted by vacuum pressure. Protective paper adhesive comprising a jig for unloading.