KR100999663B1 - Contect mold stamping device - Google Patents

Abstract

The present invention relates to a stamping apparatus of a contact lens mold, and more particularly, to stamping the shape formed on the corrugated plate to the surface of the contact lens mold through a stamp, in particular, the contact lens mold is radiated to the outside of the center rod by injection molding The contact lens molds are not separated from each other and supplied to the mold bundles arranged in the structure. When the mold bundles are supplied, the contact lens molds are positioned at the correct positions. In this state, the stamps are formed on the corroded plate. A stamping device for a contact lens mold having improved workability configured to stamp on a surface.

Contact Lens Mold, Stamping Device, Corrosion Plate, Stamper, Mold Supply Module, Lift Corrector

Description

Contact mold stamping device for contact lens molding {Contect mold stamping device}

The present invention relates to a stamping apparatus of the upper mold for contact lens molding, and more particularly to stamping the shape formed on the corrugated plate on the surface of the contact lens mold through a stamp, in particular, the contact lens on the outside of the center rod by injection molding Instead of supplying the contact lens molds separately from the mold bundles in which the molds are radially disposed, and supplying the mold bundles themselves, the contact lens molds are positioned in position and in this state, the stamps are formed on the corroded plate. A stamping device for a contact lens mold having improved workability configured to stamp a surface of a lens mold.

In general, molding of a contact lens, after the molding liquid is injected into the molding groove formed in the lower mold, the upper mold is pressed into the molding groove to solidify the molding liquid, and then solidify to be molded in the lower mold and the upper mold. It is produced in order of demolding the contact lens.

In this field, a transfer layer including various shapes or patterns on the surface of the upper mold is formed by stamping, so that various shapes or patterns are produced on the surface of the final manufactured contact lens through the transfer process.

That is, when the upper mold having the transfer layer formed on the surface is pressed into the molding groove of the lower mold into which the molding liquid is injected, the molding liquid injected into the molding groove of the lower mold is formed on the surface of the upper mold during the press molding process through the upper mold. The transfer layer formed in the is formed through the transfer.

In the process of forming the transfer layer on the upper mold, a mold bundle in which a plurality of upper molds are radially disposed on the outer side of the center rod by injection molding is separated by the worker, and then the separated upper mold is separated by the operator. When the worker places the mold on the lower part of the stamp by manual work, the stamp with the dye on the bottom is lowered to form a transfer layer on the upper mold.

However, this type of work requires the process of separating the upper mold from the mold bundle, and the supply and discharge of the upper mold is performed by a manual operation by an operator and the precise positioning of the upper mold is not performed. However, there is a problem that workability, productivity and quality stability are remarkably inferior.

An object of the present invention devised to solve the above problems is to form the shape or pattern on the surface of the upper mold by the transfer of the shape or pattern formed on the corroded plate, in particular on the outside of the central rod by injection molding When the contact lens mold is not supplied separately from the bundle of molds in which the contact lens mold is radially disposed, and the mold bundle itself is supplied, each contact lens mold is positioned in the correct position, and the stamp is formed on the corroded plate in this state. The present invention provides a stamping apparatus for a contact lens mold with improved workability configured to stamp the surface of the contact lens mold.

The above object is achieved by the following configuration provided in the present invention.

The stamping apparatus of the upper mold for forming a contact lens according to the present invention,

A corrosion plate having a stamp portion formed on its surface; A dye supply module for supplying a dye to a surface of the engraving portion formed on the corrosion plate; A stamper module which presses a stamper on the surface of the stamping part supplied with the dye and then presses the surface of the upper mold located in the mold supply part to stamp the dye supplied to the stamping part of the corrosion plate on the surface of the upper mold; And a control module for controlling the driving of the dye supply module, the stamper module, and the mold supply module.

The mold supply module may include a mold seating part that provides a seating space of a mold bundle in which a plurality of upper molds are radially disposed on an outer side of a central rod through injection molding on an upper side of a rotating plate rotating in one direction by control of a control module. Consisting of a rotary type,

When the mold bundle is seated on the mold seating portion formed on the upper portion of the rotating plate, the rotating plate rotates in one direction by the control of the control module, thereby sequentially placing each upper mold of the mold bundle at one point, and the stamper of the stamper module is Pressing the upper mold of the mold bundle located at one point is characterized in that it is configured to stamp the dye on the bottom surface on the surface of each upper mold.

Preferably, the mold seating portion includes a center core positioned at the center of the rotating plate and a seating core disposed radially at the edge of the center core, and each upper mold of the mold bundle has an open bottom portion. Consist of,

When the mold bundle is seated on the mold seating portion, the center rod is seated and fixed to the center core, and each upper mold radially disposed at the edge of the center rod is individually press-fitted into the seating core through the open lower portion, thereby rotating the rotating plate. It is configured to suppress the occurrence of the torsion of the upper mold by the external force generated during the pressing process by the stamper.

More preferably, the lifting correction tool for recalibrating the position of the upper mold of the mold bundle is provided on the upper part of the mold mounting portion for placing the mold bundle and rotating in one direction, and the lifting correction tool is vertically controlled by the control module. In the form of elevating elevating correction plate is installed, the elevating correction plate is formed a position correction hole for physically interfering the outer diameter of the upper mold to rearrange the position of the upper mold, the upper part of the mold bundle by the rotation of the rotating plate of the mold supply module The mold is positioned, and the lifting correction plate of the lifting correction tool is lowered, and the upper mold is configured to recalibrate while passing through the position correction hole formed in the lifting plate.

As described above, in the present invention, the operator separates the upper mold by hand from the mold bundle manufactured by injection molding, and then, without the hassle of supplying the separated upper mold to the lower portion of the stamp, the injection molded product is manufactured through injection molding. When the mold bundles are supplied, the stamping apparatus of the upper molds for forming contact lenses is configured so that the upper molds constituting the mold bundles are sequentially positioned at one point where the stamp descends.

This configuration eliminates the process of separating the upper molds from the mold bundles one by one, and also supplies and discharges the upper molds in a bundle, thereby improving workability.

In particular, in the present invention by recalibrating the position of the upper mold located at one point by the mold supply module through the lifting correction tool driven in conjunction with the rotary mold supply module, by correcting the error of the mold supply module, The reliability of the work according to the stamping of the upper mold can be improved.

Hereinafter, with reference to the accompanying drawings will be described in detail the stamping device of the upper mold for forming a contact lens proposed in the preferred embodiment of the present invention.

Figure 1 shows the overall configuration of a stamping apparatus of the upper mold for forming a contact lens proposed in the preferred embodiment of the present invention, Figure 2 is a stamping of the upper mold for forming a contact lens proposed in the preferred embodiment of the present invention In the apparatus, it shows the operating state of the stamp module, Figure 3 shows a detailed configuration of the mold supply module in the stamping device of the upper mold for forming the contact lens proposed in the preferred embodiment of the present invention, Figure 4 In the stamping apparatus of the upper mold for forming the contact lens proposed as a preferred embodiment in the present invention, it shows the overall configuration of the lifting correction tool, Figure 5 is a contact lens forming the upper proposed in the preferred embodiment of the present invention Sequentially showing the stamping process of the upper mold through the stamping device of the mold A phase diagram for.

The stamping apparatus 1 of the upper mold for forming a contact lens proposed in the preferred embodiment of the present invention includes a corrosion plate 10 having a stamping portion 11 formed on a surface thereof, as shown in FIG. A dye supply module 20 for supplying a dye to a surface of the marking portion 11 formed on the corrosion plate 10; The stamper 33 presses the stamping part 11 to which the dye is supplied, and then presses the surface of the upper mold 110 located in the mold supply module 40, thereby marking the stamping part 11 of the corrosion plate 10. A stamper module 40 for stamping the dye supplied to the surface of the upper mold 120; It is configured to include a control module (not shown) for controlling the driving of the dye supply module 20, the stamper module 30 and the mold supply module 40.

Here, the dye supply module 20 for supplying the dye to the stamping portion 11 of the corrosion plate 10, the dye supply portion for supplying the dye to the stamping portion 11 of the corrosion plate 10, It comprises a scraping portion for scraping the upper surface to remove the dye supplied to the surface of the corroded plate 10, except for the stamping portion.

And, as shown in Fig. 2, the stamp module 30 includes a vertical cylinder 31 for vertical transfer of the stamper 33, and a vertical cylinder 31 provided with the stamper 33 in a lifting structure. It comprises a horizontal cylinder 32 to plan the horizontal transfer of.

Therefore, the first stamp 33 presses the stamping portion 11 of the corroded plate 10 to which dye is supplied by the stretching action of the vertical cylinder 31 so as to deposit the dye on the bottom surface, and then the straight cylinder 32 retreats. Thus, the stamp 33 is positioned at the upper point of the mold supply module 40 in which the upper mold 120 is located at the lower part. In this state, the stamp 33 is lowered by the expansion and contraction of the vertical cylinder 31. Dye is stamped on the surface of the upper mold 120 located in the, to form a transfer layer on the surface of the upper mold (120).

On the other hand, in the present invention to implement the stamping device (1) of the upper mold for forming the contact lens, the operator separates the upper mold by hand in the mold bundle produced by injection molding and then stamped the separated upper mold Without the hassle of supplying to the lower part of the supply, when supplying the mold bundle 100 produced through injection molding, the upper mold 120 of each mold bundle 100 is rotated to sequentially position at a point where the stamp 33 descends By configuring it so that the work convenience and productivity may be improved.

To this end, in the present embodiment, the mold supply module 40 is mounted on the upper part of the rotating plate 41 rotating in one direction by the control of a control module (not shown), as shown in FIG. The outer mold is formed in a rotatable type formed with a mold seating portion 4 that provides a seating space for the mold bundle 100 in which the plurality of upper molds 120 are radially disposed.

According to the present embodiment, the mold seating part 42 includes a center core 42a positioned at the center of the rotating plate 41 and a seating core 42b disposed radially at the edge of the center core 42a. It is configured to include, each upper mold 120 of the mold bundle 100 is made of a lower open structure.

Therefore, when the mold bundle 100 is seated on the mold seating portion 40, the center rod 110 is seated and fixed to the center core 42a, and each upper mold disposed radially on the edge of the center rod 110. 120 is individually press-fitted to the seating core 42b through the open lower portion, thereby preventing the mold bundle 100 from being displaced due to rotation of the rotating plate 41 and pressure by the stamper 33. Can be.

Referring to Figure 3b showing a preferred embodiment in the inner diameter surface of the upper mold 120 is opened the lower annular stepped 121 is gradually narrowed toward the top is disposed, the upper through the open lower The mounting core 42b press-fitted into the inner diameter of the mold 120 has a truncated conical shape, and the upper mold 120 is press-fitted into the truncated-shaped mounting core 42b through the annular stepped 121.

In the mold supply module 40 configured as described above, when the mold bundle 100 is seated on the mold seating portion 42 formed on the first rotating plate 41 as shown in FIG. 5A, the rotating plate 41 is as shown in FIG. 5B. The upper molds of the mold bundle 100 are sequentially positioned at one point while being rotated at a predetermined angle by the control of the control module.

In this case, the predetermined angle at which the rotating plate 41 is rotated once is a value obtained by dividing the number of the upper molds 120 formed on the mold bundle 100 at 360 °, and the mold bundle 100 as in the present embodiment. When six upper molds 120 are formed in the rotating plate 41 rotates sequentially by 60 °.

In addition, the stamper 33 of the stamper module 30 presses the upper mold 120 of the mold bundle 100 positioned at one point by sequential rotation of the rotary plate 41 as shown in FIG. Is stamped on the surface of each upper mold 120 to form a transfer layer 122, and this process is repeatedly performed to transfer layers to each upper mold 120 formed in the mold bundle 100 as shown in FIGS. 5D and 5E. 122 is formed.

On the other hand, since the contact lens is formed in the upper layer 120, the contact lens is formed in the decorative layer through the transfer layer 122 is in close contact with the eye directly, the upper mold 120 is always stamped in place in the transfer layer 122 It must always be in place.

For example, when the transfer layer 122 is not formed in place by stamping the upper mold 120, a decorative layer is formed at an incorrect position in the contact lens manufactured through the contact lens wearer. Obstruction of vision may occur.

However, in the mold supply module 40 according to the present embodiment, each of the upper molds 120 is fixed by pressing and aligning positions by rotation, and thus the pressing of the upper mold 120 is not completely made. When the rotating plate 41 is rotated at a rotation angle of more than or less than a predetermined angle may be released to the home position, in this case, it is difficult to form the transfer layer in the upper mold 120 in place.

In order to prevent this, in the present embodiment, as shown in FIGS. 3 to 5, one point is provided by the mold supply module 40 through the lifting correction tool 50 driven in conjunction with the rotatable mold supply module 40. The position of the upper mold 120 located at is to be recalibrated.

As shown in FIG. 4, the elevating orthodontic appliance 50 according to the present embodiment is lifted up and down by the control of a control module on an upper portion of the mold seating portion 42 which is placed in the mold bundle 120 and rotates in one direction. The elevating calibration plate 51 is formed, and the elevating calibration plate 51 physically interferes with the outer diameter of the upper mold 120 positioned at one lower point to rearrange the position of the upper mold 120. The position correcting hole 51a is formed.

As shown in the drawings, the lifting cylinders 52 which are lifted up and down by the control of the control module are respectively provided on both sides of the lifting correction plate 51, and the lifting correction plate 51 is caused by the expansion and contraction action of the lifting cylinders 52. Ascension takes place.

Therefore, as shown in FIG. 5B, when the upper mold 120 of the mold bundle 100 is positioned at one point by the rotation of the rotating plate 41 of the mold supply module 40, the lifting straightening plate 51 of the lifting straightening tool 50 is located. 5C is lowered as shown in FIG. 5C, wherein the upper mold 120 positioned at the one point is recalibrated while passing through the position correction hole 51a formed in the lifting correction plate 51, and in this state, the stamp ( 33) is lowered and configured to stamp on the surface of the upper mold 120 where the position is recalibrated.

Thus, the upper mold 120 of the mold bundle 100 formed at one point through the mold supply module 40 passes through the position corrector 51a of the descending elevating correction plate 51 and recalibrates its position. In addition, stable indentation is achieved.

By the way, as shown in the present embodiment, if the mold lifting device 100 including the lifting straightening plate 51 including the lifting straightening plate 51 is placed on the upper part of the mold supply module 40 in which the mold bundle 100 is placed, the mold bundle ( During the supply and discharge process of the 100, the mold bundle 100 is interfered with the lifting correction plate 51, it is difficult to smoothly supply and discharge the mold bundle (100).

In consideration of this, in the present embodiment is configured to have a horizontal movement function of the elevating plate 51 to move up and down by the elevating action of the elevating cylinder (52), in the supply and discharge process of the mold bundle (100) The lifting straightening plate 51 is configured not to be positioned above the mold supply module 40.

To this end, in the present embodiment, the movable bracket 53 is horizontally transferred to the horizontal rail 61a of the main body 60 without fixing the lifting cylinder 52 to which the lifting straightening plate 51 is fixed to the main body 60. It installs so that it is possible to fix the lifting cylinder 52 which fixed the lifting correction plate 51 to this movable bracket.

Then, the movable cylinder 54 is provided between the movable bracket 53 and the main body 60, and the movable bracket which fixes the elevating cylinder 52 and the elevating correction plate 51 by the expansion and contraction action of the advancing cylinder 54. It is comprised so that horizontal feed of 53 may be aimed at.

With this configuration, when the exit cylinder 54 is extended, the lifting correction plate 51 is positioned to be stacked on the mold supply module 40 as shown in FIGS. 5B and 5C, and the exit cylinder as shown in FIG. 5A or 5D. When the 54 is contracted, the lifting straightening plate 51 positioned to be stacked on the upper part of the mold supply module 40 is moved to one side, so that the upper part of the mold supply module 40 is kept open.

Thus, in the stamping process, the operator extends the exit cylinder 54 as shown in FIGS. 5B and 5C to position the lifting correction plate on the upper part of the mold supply module 40, and the mold bundle 100 to the mold supply module 40. At the time of supply or discharge, as shown in FIG. 5A and FIG. 5D, the exit cylinder 54 is contracted to open the upper portion of the mold supply module 40, thereby securing a stable supply and discharge path of the mold bundle.

Figure 1 shows the overall configuration of the stamping apparatus of the upper mold for forming the contact lens proposed in the preferred embodiment of the present invention,

Figure 2 shows a state of operation of the stamp module in the stamping device of the upper mold for forming the contact lens proposed as a preferred embodiment in the present invention,

Figure 3 shows a detailed configuration of a mold supply module in the stamping apparatus of the upper mold for forming a contact lens proposed in the preferred embodiment of the present invention,

Figure 4 shows the overall configuration of the lifting correction tool in the stamping device of the upper mold for forming the contact lens proposed in the preferred embodiment of the present invention,

5 is a functional state diagram sequentially showing the stamping process of the upper mold through the stamping apparatus of the upper mold for forming the contact lens proposed in the preferred embodiment of the present invention.

**** Explanation of symbols for the main parts of the drawing ****

1. Stamping device of upper mold for forming contact lens

10. Corrosion Plate 11.

20. Dye Supply Module

30. Stamping module 31. Vertical cylinder

32. Horizontal cylinder 33. Stamper

40. Mold feed module 41. Swivel plate

42. Mold seat 42a. Core

42b. Resting core

50. Lift Corrector 51. Lift Correction Plate

51a. Position Corrector 52. Lifting Cylinder

53. Moving Bracket 54. Advance Cylinder

60. Body 61. Rail

100. Bundle of mold 110. Center rod

120. Upper mold 121. Stepped

122. The Warrior Layer

Claims (3)

A corrosion plate having a stamp portion formed on its surface; A dye supply module for supplying a dye to a surface of the engraving portion formed on the corrosion plate; A stamper module which presses a stamper on the surface of the stamping part supplied with the dye and then presses the surface of the upper mold located in the mold supply part to stamp the dye supplied to the stamping part of the corrosion plate on the surface of the upper mold; And a control module for controlling the driving of the dye supply module, the stamper module, and the mold supply module. The mold supply module may include a mold seating part that provides a seating space of a mold bundle in which a plurality of upper molds are radially disposed on an outer side of a central rod through injection molding on an upper side of a rotating plate rotating in one direction by control of a control module. Consists of the formed rotary type, The upper and lower parts of the mold seating part includes an elevating calibration plate which is lifted up and down by the control of a control module, and the elevating calibration plate is provided with a position corrector for physically interfering with the outer diameter of the upper mold to rearrange the position of the upper mold. Stamping device of the upper mold for contact lens molding, characterized in that the corrector is installed. The mold mounting part of claim 1, wherein the mold seating part includes a center core positioned at the center of the rotating plate and a seating core disposed radially at an edge of the center core, and each upper mold of the mold bundle is provided at a lower portion thereof. With an open structure, When the mold bundle is seated on the mold seating portion, the center rod is seated and fixed to the center core, and each upper mold disposed radially at the edge of the center rod is individually press-fitted to the seating core through the open lower portion, thereby The stamping device of the upper mold for forming a contact lens, characterized in that configured to suppress the occurrence of the torsion of the upper mold by the external force generated during the pressing process by the rotation and stamper. delete

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