WO2020263021A1 - 3d forming film manufacturing apparatus having forming film identification function, and 3d forming film manufacturing method using same - Google Patents

Abstract

One embodiment of the present invention provides a 3D forming film manufacturing apparatus and method wherein: shaping of a forming film is performed at uniform pressure by using a volume-variable body and thus it is possible to shape undercut portions; the deviation in thickness of a forming film is reduced and thus the quality of a 3D-shaped forming film is improved; and when a non-certified forming film or die is used, the non-certified forming film or die can be identified. The 3D forming film manufacturing apparatus having a forming film identification function according to an embodiment of the present invention comprises: a die for shaping a forming film; a press head unit arranged to correspond to the die and spaced a variable distance apart from the die; a volume-variable body coupled to the press head unit, having elasticity such that the volume thereof can be changed according to fluid flow into or out of the body by the press head unit, and changing the volume thereof so as to come into contact with a forming film placed in the die and press the forming film, thereby shaping the forming film into a 3D shape; and an ultrasonic analysis unit delivering ultrasound through the forming film so as to analyze the forming film.

Description

3D forming film manufacturing apparatus with forming film identification function and 3D forming film manufacturing method using the same

The present invention relates to a 3D forming film manufacturing apparatus having a forming film identification function and a 3D forming film manufacturing method using the same, and more particularly, by performing molding at a uniform pressure using a volume variable body, forming the undercut The present invention relates to an apparatus and method for manufacturing a 3D forming film that enables and reduces the thickness variation of the forming film, improves the quality of the 3D-molded forming film, and can check this when using an unauthorized forming film or mold.

The forming film is mainly formed of a polymer material.In the case of forming the forming film according to the prior art, there is a limit of the forming range due to the occurrence of the springback phenomenon of the forming film, and when forming the forming film in a 3D shape, thermal wrinkles There is a problem in that this occurs or mold damage occurs.

In addition, in the prior art molding method, when using a hot press, it is impossible to form the undercut portion of the forming film, and deformation due to heat or thickness variation after molding may occur. In addition, distortion of the forming film occurs, and there is a problem that an additional cutting process is required for the forming film after forming due to pinholes around the forming film used for preventing the forming film from being twisted and adjusting the focus.

In the conventional molding method, in the case of ribbling molding, by stretching the forming film only with air, there is a problem that whitening occurs in the forming film during molding.

And, in the apparatus of the prior art, when manufacturing is performed using an unspecified forming film or mold, there is a problem that the corresponding forming film and the mold cannot be identified.

In Korean Patent Application No. 10-2018-0134650 (name of the invention: 3D forming film manufacturing apparatus and 3D forming film manufacturing method using the same), there is provided a mold for forming a forming film; A press head unit positioned to correspond to the mold and having a variable distance from the mold; And a volume variable body that is coupled to the press head portion and has elasticity so that the volume of the fluid inlet and outlet by the press head portion is variable; wherein the volume variable body includes a volume change of the volume variable body. A 3D forming film manufacturing apparatus is disclosed in which the forming film is formed in a 3D shape by contacting the forming film located in the mold and pressing the forming film.

<Prior technical literature> Korean Patent Application No. 10-2018-0134650

An object of the present invention for solving the above problems is to enable the molding of an undercut part that is not easy to implement by the molding method of the prior art.

In addition, it is an object of the present invention to prevent thermal wrinkles on curved portions of the forming film.

In addition, an object of the present invention is to reduce the thickness variation of the forming film.

In addition, it is an object of the present invention to prevent distortion of the forming film during forming of the forming film, and to exclude an additional cutting process after forming.

In addition, an object of the present invention is to prevent the whitening phenomenon due to stretching of the forming film when forming the forming film.

In addition, an object of the present invention is to provide a manufacturing apparatus that can confirm this when using an unauthenticated forming film.

The technical problem to be achieved by the present invention is not limited to the technical problems mentioned above, and other technical problems that are not mentioned can be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. There will be.

The configuration of the present invention for achieving the above object, a mold for forming a forming film; A press head unit positioned to correspond to the mold and having a variable distance from the mold; By combining with the press head part and having elasticity, the volume of the fluid inflow and outflow by the press head part is variable, and the volume is changed to contact the forming film located in the mold to pressurize the forming film, A volume variable body for forming the forming film into a 3D shape; And an ultrasonic analyzer configured to perform an analysis on the forming film by passing ultrasonic waves through the forming film.

In an embodiment of the present invention, the ultrasonic analyzer may include an ultrasonic transmitter that emits ultrasonic waves to the forming film, and an ultrasonic receiver that detects ultrasonic waves emitted from the ultrasonic transmitter.

In an embodiment of the present invention, a data processing unit for storing analysis information of the ultrasonic analyzer for the forming film may be further included.

In an embodiment of the present invention, the press head unit may include a fluid controller that introduces a fluid received from the outside into the volume variable body or discharges a fluid within the volume variable body.

In an embodiment of the present invention, the press head unit includes a press frame, an upright body that is coupled to the press frame and performs vertical linear motion, a press motor coupled with the upright body, one end is coupled to the press motor and the other end A screw shaft coupled to the upper portion of the fluid controller and screwed to the press frame to perform rotational and vertical linear motion, and a press head whose upper portion is coupled to the fluid controller, and the lower portion is coupled to the volume variable body. It may further include.

In an embodiment of the present invention, an adsorption bed for fixing the forming film using an adsorption force may be provided, and a film alignment unit may further include a film alignment unit for aligning the forming film.

In an embodiment of the present invention, it may further include a pickup unit for transferring the forming film to the film alignment unit.

In an embodiment of the present invention, a pickup cooling unit for moving the forming film after molding and cooling the forming film after molding in the mold may be further included.

In an embodiment of the present invention, when installed to be adjacent to the mold, and when the forming film is located in the mold, a clamp portion for fixing and supporting the forming film may be further included.

In an embodiment of the present invention, it may further include a heating unit located under the mold and heating the mold.

In an embodiment of the present invention, it may further include a height adjustment unit connected to one side of the mold or the press head to adjust the vertical position of the mold or the press head.

In an embodiment of the present invention, it may further include a first collecting portion to be collected by moving the punched forming film.

In an embodiment of the present invention, it may further include a second collecting portion to be collected by moving the forming film after molding.

In an embodiment of the present invention, the volume-variable body, before contact with the forming film, partially expands by inflow of some fluid, and then contacts the forming film, and after contact with the forming film, the remaining fluid is introduced and expands. By doing so, it can be made to pressurize and 3D mold the curved portions of the mold and the forming film.

The configuration of the present invention for achieving the above object comprises: a first step of preparing 3D shape data for a production object and converting the 3D shape data into 2D data; A second step of transferring the forming film formed by punching the raw material film by the 2D data from the first collecting unit to the ultrasonic analysis unit by a first pickup device; A third step of performing analysis on the forming film by the ultrasonic analysis unit; A fourth step of transferring the forming film from the ultrasonic analyzer to the adsorption bed by the first pickup device; A fifth step of aligning the forming film on the adsorption bed in a film alignment unit; A sixth step of transferring the forming film onto the mold by the first pickup device; A seventh step of forming the forming film by increasing the volume of the variable volume body and the press head descending so that the volume variable body presses the forming film on the mold heated by the heating unit; An eighth step in which the press head rises while the volume of the variable volume body decreases, and the second pickup unit moves onto the mold to cool the forming film after molding; And a ninth step of moving the forming film from the mold to the second collecting unit by the second pickup unit.

The effect of the present invention according to the above configuration is that it is possible to easily mold a forming film suitable for 3D shapes having various curved shapes by using a mold that offsets the springback value according to the physical properties of the forming film.

In addition, the effect of the present invention is that by performing the molding at a uniform pressure using a volume variable body, it is possible to form an undercut part.

In addition, the effect of the present invention is that thermal wrinkles can be prevented in the curved portion of the forming film.

In addition, the effect of the present invention is to improve the quality of the forming film after forming by reducing the thickness variation of the forming film.

In addition, the effect of the present invention is that the defect rate is lowered and productivity is improved by preventing the forming film from being distorted, excluding the additional cutting process after molding, and excluding pinholes formed in the film for fixing the film.

In addition, the effect of the present invention is that it is possible to control the appropriate temperature, pressure, time, etc. during molding by the volume variable body, and thus, it is possible to prevent the whitening phenomenon due to stretching of the forming film when molding the forming film.

In addition, the effect of the present invention is that by identifying the forming film using ultrasonic waves and identifying the mold using a laser, it is possible to check and take action when using an unauthenticated forming film.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a front view of a manufacturing apparatus according to an embodiment of the present invention.

2 is a plan view of a manufacturing apparatus according to an embodiment of the present invention.

3 is a right side view of a manufacturing apparatus according to an embodiment of the present invention.

4 is a front view of a press head according to an embodiment of the present invention.

5 is a plan view and a right side view of a press head according to an embodiment of the present invention.

6 is a plan view and a front view of a clamp unit according to an embodiment of the present invention.

7 is a right side view of a pickup unit according to an embodiment of the present invention.

8 is a plan view and a front view of a pickup unit according to an embodiment of the present invention.

9 is a front view and a right side view of a film alignment unit according to an embodiment of the present invention.

10 is a plan view of a film alignment unit according to an embodiment of the present invention.

11 is a front view and a right side view of a pickup cooling unit according to an embodiment of the present invention.

12 is a plan view of a pickup cooling unit according to an embodiment of the present invention.

13 is a front view of a first collecting unit according to an embodiment of the present invention.

14 is a plan view and a right side view of a first collecting unit according to an embodiment of the present invention.

15 is a front view of a second collecting unit according to an embodiment of the present invention.

16 is a plan view and a right side view of a second collecting unit according to an embodiment of the present invention.

17 is a plan view of an ultrasonic analyzer according to an embodiment of the present invention.

18 is a side view of an ultrasonic analyzer according to an embodiment of the present invention.

19 is a graph of a signal generated by an ultrasonic analyzer according to an embodiment of the present invention.

20 is a schematic diagram of a mold and a mold identification unit according to an embodiment of the present invention.

Each of FIGS. 21 to 24 is a graph in which signals generated by an ultrasonic analysis unit and a mold identification unit according to an embodiment of the present invention are summed.

The most preferred embodiment according to the present invention is a mold for forming a forming film; A press head unit positioned to correspond to the mold and having a variable distance from the mold; By combining with the press head part and having elasticity, the volume of the fluid inflow and outflow by the press head part is variable, and the volume is changed to contact the forming film located in the mold to pressurize the forming film, A volume variable body for forming the forming film into a 3D shape; And an ultrasonic analysis unit configured to perform an analysis on the forming film by passing ultrasonic waves through the forming film.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in a number of different forms, and therefore is not limited to the exemplary embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, bonded)" with another part, it is not only "directly connected", but also "indirectly connected" with another member in the middle. "Including the case. In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

The terms used in this specification are used only to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

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

1 is a front view of a manufacturing apparatus according to an embodiment of the present invention, FIG. 2 is a plan view of a manufacturing apparatus according to an embodiment of the present invention, and FIG. 3 is a right side view of a manufacturing apparatus according to an embodiment of the present invention. to be. 4 is a front view of the press head unit 100 according to an embodiment of the present invention, and FIG. 5 is a plan view and a right side view of the press head unit 100 according to an embodiment of the present invention. Here, (a) of FIG. 5 is a plan view of the press head unit 100, and (b) of FIG. 5 is a right side view of the press head unit 100.

As shown in Figures 1 to 5, the manufacturing apparatus of the present invention, a mold 220 for forming a forming film; A press head portion 100 positioned to correspond to the mold 220 and having a variable distance from the mold 220; And a volume variable body 210 that is coupled to the press head unit 100 and has elasticity so that the volume of the fluid inlet and outlet by the press head unit 100 is variable. In addition, the volume variable body 210 may contact the forming film located in the mold 220 according to the volume change of the volume variable body 210 and press the forming film to form the forming film in a 3D shape.

That is, in the case of conventional general films, mostly flat (flat plate) films have been mainly used, and press devices for processing such flat films have been formed by applying pressure in only one direction.

In the case of using such conventional press devices, there is a problem in that the 3D-shaped film cannot be molded because the pressing surface of the press device is moved only in the vertical or left and right linear direction, so that the curved surface cannot be pressed. It was impossible to mold a forming film to have a certain curvature to protect the display of a mobile phone with a bent end, which has been widely used in recent years.

However, in the 3D forming film manufacturing apparatus of the present invention, a separate variable volume body 210 is additionally attached to the end of the press head portion 100 in contact with the mold 220, and the volume variable body 210 By controlling the fluid to flow in or out, it is possible to manufacture a flat-shaped film by pressing the flat top of the mold 220 like a conventional press device, as well as the volume variable body 210 outside the mold having a bent end. ) Pressurizes the 3D forming film with a bent end.

A mold having a separate curvature is designed according to the appearance of various mobile phones or displays, and the volume variable body 210 can expand and pressurize regardless of the curvature of the bent end of the mold, thus manufacturing the 3D forming film of the present invention. The device has the advantage that it can be freely used regardless of the target product or mold.

When explaining a detailed configuration for manufacturing a 3D forming film according to the expansion and pressure of the volume variable body 210, it is connected to one side of the mold 220 or the press head unit 100, and the mold 220 or It further includes a height adjustment unit for adjusting the vertical position of the press head unit 100, it is possible to easily adjust the molding of the forming film according to the operation of the height adjustment unit.

That is, the height adjustment unit applies pressure to the forming film by adjusting only one of the upper and lower positions of the mold 220 and the press head unit 100, or the mold 220 and the press head unit 100 Both positions may be adjusted simultaneously to apply pressure to the forming film, and there is no need to be limited to any one.

In addition, the press head unit 100 may include a fluid controller 120 that introduces a fluid received from the outside into the volume variable body 210 or discharges the fluid in the volume variable body 210. . Here, the press head unit 100, a press frame 160; A vertical motion body 140 coupled to the press frame 160 and performing vertical linear motion; A press motor 150 coupled with the upright body 140; A screw shaft 130 having one end coupled with the press motor 150 and the other end coupled with the upper portion of the fluid controller 120 and screwed with the press frame 160 to perform rotational motion and vertical linear motion; And a press head 110 having an upper portion coupled to the fluid controller 120 and a lower portion coupled to the volume variable body 210; may further include.

Therefore, the volume variable body 210 is in contact with the forming film after some fluid flows in before contact with the forming film and partially expands, and the remaining fluid flows in and expands after contact with the forming film. And it is more preferable that it is made to pressurize and 3D mold the curved portion of the forming film.

The manufacturing apparatus of the present invention may include a device frame part 920 forming the outermost shape of the manufacturing apparatus of the present invention. The press frame 160 is coupled with the frame unit 920 to be located in the upper direction from the center of the frame unit 920, and the press frame 160 is combined with the moving body 140 moving in the vertical direction, 140, a first guide shaft 161, a second guide shaft 162, a third guide shaft 163, and a fourth guide shaft 164 may be provided. Here, the first guide shaft 161 to the fourth guide shaft 164 may have a rod shape, but are not limited thereto.

The fluid controller 120 is connected to a pump formed outside the manufacturing apparatus of the present invention, and the pump can supply fluid to the fluid controller 120 or provide a fluid suction force to the fluid controller 120. Here, the fluid may be air, but is not limited thereto. In addition, the fluid controller 120 may include a fluid control valve. When the pump pressurizes the fluid to the fluid controller 120, the fluid control valve is opened and the fluid is introduced into the variable volume 210, thereby increasing the volume of the variable volume 210. Here, when the volume variable body 210 is changed to a preset volume, the fluid control valve is closed to maintain the shape of the volume variable body 210 in which the volume is increased. In addition, when the pump provides a fluid suction force to the fluid controller 120, the fluid control valve is opened and the fluid is discharged through the pump, so that the volume of the variable volume 210 may be reduced.

The press head unit 100 may further include a screw guide body 165 that is fixedly coupled to the press frame 160 and has a female thread formed on an inner surface thereof. Here, the screw shaft 130 may have a male thread formed on the outer surface, and the screw shaft 130 and the screw guide body 165 may be coupled. And, according to the rotation direction of the screw shaft 130 coupled with the press motor 150, the screw shaft 130 performs vertical linear motion, and accordingly, the press motor 150 performs vertical linear motion, The upward and downward movement body 140 combined with 150 may perform vertical linear motion. In addition, the fluid controller 120 and the press head 110 may perform vertical linear motion according to the vertical linear motion of the screw shaft 130.

The press head unit 100 may include a press head guide shaft 170 that is coupled to the press head 110 and guides the vertical linear motion of the press head 110. Accordingly, even when the screw shaft 130 rotates, the press head 110 and the fluid controller 120 do not rotate, and the press head 110 can perform vertical linear motion along the press head guide shaft 170. Here, the other end of the screw shaft 130 coupled with the fluid controller 120 has a curved outer surface without a male thread, and the other end of the screw shaft 130 allows free rotation with respect to the fluid controller 120. Can be done.

The mold 220 is formed in a shape corresponding to the forming shape of the forming film, and may be formed of metal. The mold 220 is installed to be coupled to the press frame 160, and may be positioned to be spaced apart from the press head 110 in the lower direction of the press head 110.

The volume variable body 210 may be formed of a material having elasticity, and specifically, may be formed of natural rubber or a polymer material. In the embodiment of the present invention, it is described that the volume variable body 210 is formed of the above material, but is not limited thereto, and may be formed of another material having elasticity. The volume variable body 210 may be a rectangular parallelepiped having a curved edge when the volume is increased. Accordingly, the press process in which the bottom surface of the bulky body 210 having an increased volume comes into contact with the forming film, and the volumetric body 210 presses the forming film on the mold 220 by lowering of the press head 110 Can be done.

6 is a plan view and a front view of a clamp unit 800 according to an embodiment of the present invention. Here, (a) of FIG. 6 is a plan view of the clamp unit 800, and (b) of FIG. 6 is a front view of the clamp unit 800. As shown in Figure 6, the manufacturing apparatus of the present invention is installed to be adjacent to the mold 220, when the forming film is located in the mold 220, a clamp portion 800 for fixing and supporting the forming film, further Can include. When the forming film is positioned on the mold 220, the clamp unit 800 is a clamp 810 in the shape of a forceps that grips and fixes the forming film, and a clamp support that is coupled to the clamp 810 and supports the clamp 810 820, the clamp screw shaft 830, which is coupled with the clamp support 820 and screwed with the clamp support 820 in which a male thread is formed on the outer surface to form a female thread, and the clamp screw shaft 830 is rotated It may include a clamp motor 840, which performs an exercise to allow the clamp support 820 to perform left and right linear motion. The clamp motor 840 may be fixedly supported by being coupled with the device frame part 920. Here, the clamp 810 is the volume variable body 210 descends in contact with the forming film on the mold 220, and when the forming film is fixed by the volume variable body 210 and the mold 220, the forming film It is possible to release the gripping on the In addition, the clamp unit 800 may include a clamp sensor 850, and the clamp sensor 850 may sense the position of the clamp 810. Accordingly, the position of the clamp 810 may vary according to the position of the volume variable body 210. At least one clamp part 800 may be formed.

Outside of the manufacturing apparatus of the present invention, a forming film can be formed by punching out a raw material film.

7 is a right side view of the pickup unit 400 according to an embodiment of the present invention, and FIG. 8 is a plan view and a front view of the pickup unit 400 according to an embodiment of the present invention. Here, FIG. 8A is a plan view of the pickup unit 400, and FIG. 8B is a front view of the pickup unit 400. As shown in FIGS. 7 and 8, the manufacturing apparatus of the present invention may further include a pickup unit 400 for transferring the forming film to the film alignment unit 300. The pickup unit 400 may perform a right and left linear motion along the pickup unit guide 921 formed on the device frame unit 920. The pickup unit 400 is coupled to a first pickup device 410 and a first pickup device 410 for picking up the forming film by providing an adsorption force to the forming film, and the length thereof is variable, and when the length increases, the first pickup device 410 ) To push and detach the picked up forming film by pushing and detaching the first pickup device that is combined with the detachable cylinder 420 and the first pickup device 410 and has a variable length to move the first pickup device 410 up and down linearly A transfer cylinder 430, and an ejector 440 coupled to the first pickup machine transfer cylinder 430 and providing an adsorption force to the first pickup machine 410 may be included. With the configuration as described above, the first pickup device 410 performs vertical and horizontal linear motion to easily transfer the forming film in the first collecting unit 600 to the adsorption bed 310 of the film alignment unit 300. I can. In addition, the first pickup device 410 may absorb and pick up the forming film from the adsorption bed 310 and transfer it onto the mold 220.

9 is a front view and a right side view of the film alignment unit 300 according to an embodiment of the present invention, and FIG. 10 is a plan view of the film alignment unit 300 according to an embodiment of the present invention. Here, FIG. 9(a) is a front view of the film alignment unit 300, and FIG. 9(b) is a right side view of the film alignment unit 300. As shown in FIGS. 9 and 10, the manufacturing apparatus of the present invention further includes an adsorption bed 310 for fixing a forming film using an adsorption force, and a film alignment unit 300 for aligning the forming film. can do. The film alignment unit 300 includes an adsorption bed 310 that provides an adsorption force to the forming film and supports the forming film, a first alignment cylinder 321 and a second alignment cylinder 322 having variable lengths, and a first alignment cylinder A first film alignment body 331 that combines with 321 and performs a right and left linear motion by varying the length of the first alignment cylinder 321, and aligns the forming film by pressing one side of the forming film. A second film alignment body 332 that combines with the 2 alignment cylinder 322 and performs a left and right linear motion by varying the length of the second alignment cylinder 322 and presses the other side of the forming film to align the forming film, It may include. Here, the central axis of the first alignment cylinder 321 and the central axis of the second alignment cylinder 322 may be formed perpendicular to each other, and contact the first film alignment body 331 and the second film alignment body 332 Lateral support may be formed to support another side of the non-forming film.

11 is a front view and a right side view of a pickup cooling unit 500 according to an embodiment of the present invention, and FIG. 12 is a plan view of the pickup cooling unit 500 according to an embodiment of the present invention. 11A is a front view of the pickup cooling unit 500, and FIG. 11B is a right side view of the pickup cooling unit 500. Here, FIG. 11B and FIG. 12 may represent that the second pickup device 520 performs a linear reciprocating motion in the front-rear direction according to the operation of the front-rear transfer cylinder 510. The manufacturing apparatus of the present invention may further include a pickup cooling unit 500 for moving the forming film after forming and cooling the forming film after forming in the mold 220. The pick-up cooling unit 500 is coupled with the device frame unit 920 and is coupled with a front-rear transfer cylinder 510 and a front-rear transfer cylinder 510 having a variable length, and linear movement back and forth by varying the length of the front-rear transfer cylinder 510 By performing the process, it may be provided with a second pick-up machine 520, which transfers the formed forming film formed into a 3D shape by the mold 220 to the second collecting unit 700. In addition, the second pickup device 520 may perform cooling on the 3D forming film formed by the mold 220.

13 is a front view of a first collecting unit 600 according to an embodiment of the present invention, and Fig. 14 is a plan view and a right side view of the first collecting unit 600 according to an embodiment of the present invention. 14(a) is a plan view of the first collecting part 600, and 14(b) is a right side view of the first collecting part 600. As shown in FIGS. 13 and 14, the manufacturing apparatus of the present invention may further include a first collecting part 600 to which the punched forming film is moved and collected. In addition, the first collecting unit 600 is combined with the first collecting frame 640, the first collecting motor 610 coupled with the first collecting frame 640, the first collecting motor 610, and the first collecting The first assembly 620 in which the punched forming film is loaded by performing vertical linear motion by driving the motor 610, and the first assembly determining whether the forming film is loaded in the first assembly 620 It may include a sensor 630,. Here, when it is sensed that the forming film punched in the first assembly 620 is loaded by the first aggregation sensor 630, the first pickup device 410 moves to the first assembly 620 to transfer the forming film. After the adsorption pick-up is carried out, the forming film may be adsorbed to the adsorption bed 310 by transferring to the adsorption bed 310.

15 is a front view of the second collecting unit 700 according to an embodiment of the present invention, and Fig. 16 is a plan view and a right side view of the second collecting unit 700 according to an embodiment of the present invention. As shown in FIGS. 15 and 16, the manufacturing apparatus of the present invention may further include a second collecting part 700 to which the forming film after molding is moved and collected. In addition, the second collecting unit 700 is combined with the second collecting frame 740, the second collecting motor 710 coupled with the second collecting frame 740, the second collecting motor 710 and the second collecting A second assembly 720 that performs vertical linear motion by driving the motor 710 and loads the forming film after forming, and a second assembly 720 that determines whether the forming film is loaded in the second assembly 720 It may include two aggregation sensors 730,. Here, when it is sensed by the second aggregation sensor 730 that the forming film is loaded on the second aggregate 720, the completion of the forming film may be visually or audibly displayed by the alarm unit.

As described above, each cylinder or motor linearly moves each cylinder or a component coupled to the motor in the vertical, left and right directions, or in the front and rear directions, so that the forming film can be transferred in each of the three-dimensional directions.

The manufacturing apparatus of the present invention may further include a heating unit 910 located under the mold 220 and heating the mold 220. The heating unit 910 may be combined with the lower portion of the press frame 160 to heat the mold 220 in the lower portion of the mold 220. The heating unit 910 may be formed of a plurality of heating wires, and heat energy may be generated by energizing the plurality of heating wires.

17 is a plan view of the ultrasound analysis unit 930 according to an embodiment of the present invention, and FIG. 18 is a side view of the ultrasound analysis unit 930 according to an embodiment of the present invention. 19 is a graph of a signal generated by the ultrasonic analysis unit 930 according to an embodiment of the present invention.

As shown in FIGS. 17 and 18, the manufacturing apparatus of the present invention may further include an ultrasonic analysis unit 930 for performing analysis on the forming film 950 by passing ultrasonic waves through the forming film 950. have. Here, the ultrasonic analysis unit 930 may include an ultrasonic transmitter 931 for emitting ultrasonic waves to the forming film 950, and an ultrasonic receiver 932 for sensing ultrasonic waves emitted from the ultrasonic transmitter 931 I can. In addition, the manufacturing apparatus of the present invention may further include a data processing unit for storing analysis information of the ultrasonic analysis unit 930 on the forming film 950. As shown in FIG. 3, the ultrasonic analysis unit 930 may be installed adjacent to the pickup unit 400 provided with the first pickup device 410.

As described above, before the first pickup unit 410 completes the transfer of the forming film 950 from the first collecting unit 600 to the film alignment unit 300, the forming film ( A portion of the 950 may be located between the ultrasonic transmitter 931 and the ultrasonic receiver 932. In addition, when the ultrasonic transmitter 931 emits ultrasonic waves toward the forming film 950, the emitted ultrasonic waves may pass through the forming film 950 and then be transmitted to the ultrasonic receiver 932. In addition, the data processing unit connected to the ultrasonic receiver 932 may collect a signal for the ultrasonic sensor output voltage, which is the output voltage of the ultrasonic receiver 932, and generate a graph for this.

In FIG. 19, graphs a to c are graphs showing changes in ultrasonic receiving output voltage for each forming film when ultrasonic waves are transmitted to different forming films. In the graph of FIG. 19, the vertical axis represents the ultrasonic reception output voltage, and the horizontal axis represents the time (minutes, min). As shown in FIG. 19, each of the different types of forming films may exhibit different ultrasonic receiving output voltage graphs. And, it can be seen that each graph does not deviate from a certain range in the ultrasonic receiving output voltage. In this way, it is possible to confirm the type of the forming film by analyzing the graphs that are respectively classified. As described above, since the type of the forming film can be checked, it can be determined when the 3D forming film is manufactured using a forming film other than a predetermined forming film.

20 is a schematic diagram of a mold 220 and a mold identification unit 940 according to an embodiment of the present invention. As shown in FIG. 20, the mold may include a marking portion 221 formed in a plurality of irregularities in one portion. Specifically, the marking portion 221 may be formed by etching using a laser, may be formed as a pattern for displaying predetermined information, and may be formed as a pattern for displaying predetermined information including various colors or holograms. . Here, the pattern of the marking portion may be formed in a size of a millimeter (mm), a micrometer (µm), a nanometer (nm), a picometer (pm), and a femtometer (fm). In addition, the manufacturing apparatus of the present invention may further include a mold identification unit 940 that irradiates a laser to the marking portion 221 and collects the reflected laser to perform analysis on the marking portion 221. As shown in FIG. 4, the mold identification unit 940 may be installed to be adjacent to the mold 220 by combining with the press frame 160.

Here, the mold identification unit 940 may include a laser receiver for detecting the reflected laser, and an output voltage of the laser receiver for detecting the reflected laser may be generated. In addition, the data processing unit may store analysis information of the mold identification unit 940 for the mold. In addition, the data processing unit connected to the laser receiver may collect a signal for the laser receiver output voltage, which is the output voltage of the laser receiver, and generate a graph for this.

Each of FIGS. 21 to 24 is a graph in which signals generated by the ultrasonic analysis unit 930 and the mold identification unit 940 according to an embodiment of the present invention are summed. And, in Figs. 21 to 24, a graph refers to a graph in which signals generated by the ultrasonic analysis unit 930 and the mold identification unit 940 are summed, respectively, the ultrasonic receiving output voltage and the laser receiving output voltage. It may be a graph for the summed value for identification, which is a value obtained by summing each derived value by giving a predetermined weight to, and the summed value for identification may appear on the vertical axis. And, the horizontal axis may mean time (minutes, min). The H(high) line and the l(low) line may each be a preset upper limit value and a lower limit value for the sum value for identification. That is, the reference range of the sum value for identification may be determined by the H (high) line and the l (low) line.

Each of the graphs of FIGS. 21 and 22 is a graph of the sum of identification values for the certified forming film, which is a predetermined forming film, and the certified mold, which is a predetermined mold, and the graph of FIG. 23 is a non-certified forming film that is not a predetermined forming film It is a graph of the sum value for identification for the non-certified mold that is not a predetermined mold, and the graph of FIG. 24 is a graph of the sum value for identification for the certified forming film and the non-certified mold. Here, the information on each graph may be stored and processed in the data processing unit.

As shown in Figs. 21 and 22, the combined value for identification for the authentication forming film and the authentication mold varies within the reference range over time, so the authentication forming film and the authentication mold are It can be seen that it is used in the manufacturing apparatus of the present invention. In addition, as shown in FIG. 23, since the sum value for identification of the non-certified forming film and the non-certified mold varies outside the reference range with time, the non-certified forming film and the non-certified mold are manufactured according to the present invention by the graph of FIG. It can be confirmed that it is used in And, as shown in FIG. 24, the sum of identification values for the certified forming film and non-certified mold varies within the reference range over time, but differs from the shape of the graph a of FIG. 22, according to the graph of FIG. It can be seen that the non-certified forming film and the certified mold are used in the manufacturing apparatus of the present invention, or the certified forming film and the non-certified mold are used in the manufacturing apparatus of the present invention.

The data processing unit may store information on each graph as described above, and accordingly, it is possible to determine whether to use an authenticated forming film, an authenticated mold, an unauthenticated forming film, or an unauthenticated mold. When it is confirmed that the non-certified forming film or non-certified mold is used in the manufacturing apparatus of the present invention, the user can check the time when the non-certified forming film or non-certified mold was used by using the information of the data processing unit, and the non-certified forming film or non-certified mold You can take measures to recover the product by.

Hereinafter, a method for forming a 3D forming film using the manufacturing apparatus of the present invention will be described.

In the first step, 3D shape data for a production object may be prepared, and the 3D shape data may be converted into 2D data.

In the second step, the forming film 950 formed by punching the raw material film by 2D data may be transferred from the first collecting unit 600 to the ultrasonic analysis unit 930 by the first pickup device 410.

In the third step, the ultrasonic analysis unit 930 may perform analysis on the forming film 950.

In the fourth step, the forming film 950 may be transferred from the ultrasonic analyzer 930 to the adsorption bed 310 by the first pickup device 410.

In the fifth step, the forming film 950 on the adsorption bed 310 may be aligned in the film alignment unit 300.

In the sixth step, the forming film 950 may be transferred onto the mold 220 by the first pickup device 410.

In the seventh step, the volume of the variable volume body 210 is increased, and the press head 110 is lowered so that the volume variable body 210 is heated by the heating unit 910 on the forming film 950 on the mold 220 ) May be pressed to form the forming film 950.

In the eighth step, as the volume of the variable volume 210 decreases, the press head 110 rises, and the second pickup machine 520 moves onto the mold 220 to cool the forming film 950 after the molding. I can make it.

In the ninth step, the second pickup device 520 may move the forming film 950 from the mold 220 to the second collecting unit 700.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative and non-limiting in all respects. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

<Explanation of code>

100: press head unit 110: press head

120: fluid controller 130: screw shaft

140: Shanghai body 150: press motor

160: press frame 161: first guide shaft

162: second guide shaft 163: third guide shaft

164: fourth guide shaft 165: screw guide body

170: press head guide shaft 210: volume variable body

220: mold 221: mark

300: film alignment unit 310: adsorption bed

321: first alignment cylinder 322: second alignment cylinder

331: first film alignment body 332: second film alignment body

400: pickup unit 410: first pickup machine

420: detachable cylinder 430: first pickup machine transfer cylinder

440: ejector 500: pickup cooling unit

510: forward and backward transfer cylinder 520: second pickup machine

530: second pick-up machine transfer cylinder 600: first collecting unit

610: first aggregate motor 620: first aggregate

630: first collecting sensor 640: first collecting frame

700: second collecting unit 710: second collecting motor

720: second aggregate 730: second aggregate sensor

740: second collecting frame 800: clamp part

810: clamp 820: clamp support

830: clamp screw shaft 840: clamp motor

850: clamp sensor 910: heating part

920: device frame part 921: pickup guide guide

930: ultrasonic analysis unit 931: ultrasonic transmitter

932: ultrasonic receiver 940: mold identification unit

950: forming film

Claims (15)

1. A mold for forming a forming film;

   A press head unit positioned to correspond to the mold and having a variable distance from the mold;

   By combining with the press head part and having elasticity, the volume of the fluid inflow and outflow by the press head part is variable, and the volume is changed to contact the forming film located in the mold to pressurize the forming film, A volume variable body for forming the forming film into a 3D shape; And

   3D forming film manufacturing apparatus having a forming film identification function comprising a; ultrasonic analysis unit for performing analysis on the forming film by passing ultrasonic waves through the forming film.
2. The method according to claim 1,

   The ultrasonic analysis unit,

   An ultrasonic transmitter for emitting ultrasonic waves to the forming film, and

   3D forming film manufacturing apparatus having a forming film identification function, characterized in that it comprises an ultrasonic receiver for sensing the ultrasonic waves emitted from the ultrasonic transmitter.
3. The method according to claim 2,

   3D forming film manufacturing apparatus with a forming film identification function, characterized in that it further comprises a data processing unit for storing the analysis information of the ultrasonic analysis unit on the forming film.
4. The method according to claim 1,

   The press head unit, a 3D forming film manufacturing apparatus having a forming film identification function, characterized in that it includes a fluid controller for introducing the fluid received from the outside into the volume variable body or outflowing the fluid in the volume variable body .
5. The method according to claim 1,

   The press head part,

   Press frame,

   An upright body that is coupled with the press frame and performs vertical linear motion

   A press motor coupled with the upright body,

   A screw shaft having one end coupled with the press motor and the other end coupled with an upper portion of the fluid controller, and screwed with the press frame to perform rotational motion and vertical linear motion, and

   3D forming film manufacturing apparatus with a forming film identification function, characterized in that the upper portion is coupled to the fluid controller, and the lower portion further comprises a press head coupled to the volume variable body.
6. The method according to claim 1,

   3D forming film manufacturing apparatus having a forming film identification function, comprising an adsorption bed for fixing the forming film by using an adsorption force, and further comprising a film alignment unit for aligning the forming film.
7. The method of claim 6,

   3D forming film manufacturing apparatus with a forming film identification function, characterized in that it further comprises a pickup unit for transferring the forming film to the film alignment unit.
8. The method according to claim 1,

   3D forming film manufacturing apparatus with a forming film identification function, characterized in that it further comprises a pick-up cooling unit for moving the forming film after forming and cooling the forming film after forming in the mold.
9. The method according to claim 1,

   3D forming film manufacturing apparatus having a forming film identification function, characterized in that it is installed to be adjacent to the mold, and when the forming film is located in the mold, further comprising a clamp unit for fixing and supporting the forming film.
10. The method according to claim 1,

    3D forming film manufacturing apparatus with a forming film identification function, characterized in that it further comprises a heating unit located under the mold and heating the mold.
11. The method according to claim 1,

    3D forming film manufacturing apparatus with a forming film identification function, characterized in that it is connected to one side of the mold or the press head portion, further comprising a height adjustment portion for adjusting the vertical position of the mold or the press head portion.
12. The method according to claim 1,

    3D forming film manufacturing apparatus having a forming film identification function, characterized in that it further comprises a first collecting portion to be collected by moving the punched forming film.
13. The method according to claim 1,

    3D forming film manufacturing apparatus having a forming film identification function, characterized in that it further comprises a second collecting portion to be collected by moving the forming film after the molding.
14. The method according to claim 1,

    The volume variable body is in contact with the forming film after some fluid is introduced and partially expanded before contact with the forming film, and the remaining fluid is introduced and expanded after contact with the forming film, thereby bending the mold and the forming film. 3D forming film manufacturing apparatus with a forming film identification function, characterized in that made to pressurize and 3D mold the area.
15. In the 3D forming film manufacturing method using the 3D forming film manufacturing apparatus having a forming film identification function of claim 1,

    A first step of preparing 3D shape data for a production object and converting the 3D shape data into 2D data;

    A second step of transferring the forming film formed by punching the raw material film by the 2D data from the first collecting unit to the ultrasonic analysis unit by a first pickup device;

    A third step of performing analysis on the forming film by the ultrasonic analysis unit;

    A fourth step of transferring the forming film from the ultrasonic analyzer to the adsorption bed by the first pickup device;

    A fifth step of aligning the forming film on the adsorption bed in a film alignment unit;

    A sixth step of transferring the forming film onto the mold by the first pickup device;

    A seventh step of forming the forming film by increasing the volume of the variable volume body and the press head descending so that the volume variable body presses the forming film on the mold heated by the heating unit;

    An eighth step in which the press head rises while the volume of the variable volume body decreases, and the second pickup unit moves onto the mold to cool the forming film after molding; And

    And a ninth step of moving the forming film from the mold to the second collecting unit by the second pick-up unit. 3D forming film manufacturing method comprising: a.

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