KR102241213B1 - A system for cutting the injection molding lens - Google Patents

Abstract

The present invention relates to an automatic cutting system for a lens injection product capable of rapidly and accurately discharging and cutting a lens injection product from which 20 or more lenses are molded from an injection machine, and then separating each cavity and loading it into a tray. The system includes an injection-molded product discharging unit that enters the injection machine and picks up and discharges the lens-molded product; An injection product moving part installed adjacent to the injection product discharging part and moving the lens injection product to a cutting position; A lens cutting unit installed at the cutting position and configured to cut the lens from the lens injection product; And a lens loading unit for classifying a plurality of lenses cut by the lens cutting unit according to individual cavities and loading them onto a lens tray.

Description

Lens injection molding system {A SYSTEM FOR CUTTING THE INJECTION MOLDING LENS}

The present invention relates to a lens injection product cutting system, and more specifically, a lens injection product capable of quickly and accurately discharging and cutting a lens injection product in which 20 or more lenses are molded from an injection machine, and then separating each cavity and loading it into a tray automatically cutting It's about the system.

In general, plastic lenses are widely used in mobile phone cameras and disk pickup devices because they are cheaper and more productive than glass lenses. These plastic lenses are manufactured by injection molding.

Specifically, as shown in FIG. 1, after injection molding a lens injection product 10 having a structure in which a plurality of individual lenses 12 are formed for each of the gates 13 on a runner 14, From this, the lens 12 is cut and separated to manufacture.

In such a plastic lens manufacturing line, conventionally, since the lens injection product 10 injected from the injection machine is discharged using a vertically driven discharge robot installed in the injection machine, there is a problem that the process time is long and the height of the equipment is increased.

In addition, as the number of lenses produced from a single lens injection product continues to increase, the demand for each process such as lens injection product discharge, movement, lens cutting and lens loading is increasing more quickly and accurately.

The technical problem to be solved by the present invention is to provide an automatic lens injection product cutting system capable of rapidly and accurately discharging and cutting a lens injection product from which 20 or more lenses are molded from an injection machine, and then separating each cavity and loading it into a tray.

The lens injection molding system according to the present invention for solving the above-described technical problem includes an injection product discharge unit for entering the injection machine to pick up and discharge the lens injection product; An injection product moving part installed adjacent to the injection product discharging part and moving the lens injection product to a cutting position; A lens cutting unit installed at the cutting position and configured to cut the lens from the lens injection product; And a lens loading unit for classifying a plurality of lenses cut by the lens cutting unit according to individual cavities and loading them onto a lens tray.

In addition, in the present invention, the injection product discharge unit may include an injection product gripping unit for gripping the lens injection product injected from the injection machine; A gripping unit up and down driving means for moving the injection product gripping unit in a vertical direction; It is preferable to include a; forward and backward driving means for moving the gripping unit up and down driving means forward and backward.

In addition, in the present invention, the injection object moving unit may include an initial injection object support mounted on a horizontal movement path of the injection object gripping unit and on which the lens injection object discharged by the injection object discharge unit is first seated; A plurality of stand-by supports, which are installed adjacent to the first injection-molded product support and are spaced apart from each other at a predetermined interval, and to which the lens-implanted product is sequentially seated; It is preferable to include a; injection object moving means for sequentially moving the lens injection object while moving to the first injection object support, the standby support, and the cutting position.

In addition, in the present invention, the lens loading unit includes: a first moving unit for first horizontally moving the plurality of lenses cut at the cutting position to the first moving position as they are arranged when cutting; It is preferable to include a second moving unit for separating and loading the lenses moved to the first moving position for each cavity in the lens tray.

In addition, in the present invention, the second moving part may include a left lens tray loaded to the left of the first moving position; A right lens tray loaded on the right side of the first moving position; A left moving part that grips only the lenses disposed on the left of the plurality of lenses in the first moving position, and separates and loads the lenses into the left lens tray for each cavity; It is preferable to include a right moving part that grips only the lenses disposed on the right of the plurality of lenses in the first moving position and separates and loads the lenses on the right lens tray by cavities.

In addition, in the present invention, it is preferable that the support for the first injection object is provided with a horizontal moving means for the support at the lower portion, so that the lens injection object is moved from the initial seating position of the injection object to the vicinity of the first standby position.

In addition, in the present invention, the injection object moving means includes: a first injection object moving means for moving the lens injection object while horizontally moving downwards of the first injection object support and the standby support; It is preferable to include a; second injection object moving means for moving the lens injection object by gripping from the upper side to the cutting position in the standby support.

In addition, in the present invention, the forward and backward driving means includes a base plate; A first sliding member installed on the base plate to be slid forward and backward; It is installed on the first sliding member so as to slide forward and backward in the same direction together with the first sliding member, and at the same time, it is transported faster than the first sliding member, and a clamping device for clamping and transporting a predetermined product is installed at the front end. A second sliding member; A slide device installed on the base plate and the first and second sliding members to guide the first and second sliding members to slide forward and backward; It is preferable to include a double-speed driving device installed on the base plate and the first and second sliding members so that the second sliding member is operated forward or backward at a higher speed than the first sliding member.

According to the lens injection product cutting system of the present invention, even for a lens injection product in which 20 or more lenses are produced, each process such as lens injection product discharge, movement, lens cutting, and lens loading is performed more quickly and accurately.

Since the process of discharging the lens injection product from the injection machine is also performed simply and quickly by the lens injection product cutting system of the present invention, there is also an advantage in that the injection machine configuration is simplified and the height of the equipment is lowered.

1 is a diagram showing the shape of a general lens-molded product.
2 to 4 are perspective views from different directions showing the configuration of a lens injection molding cutting system according to an embodiment of the present invention.

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

The lens injection product cutting system 1 according to the present embodiment includes the injection product discharge unit 100, the injection product moving unit 200, the lens cutting unit 300, and the lens loading unit 400 as shown in FIGS. 2 to 4. It can be configured to include.

First, the injection product discharge unit 100 is a component that enters the injection machine and picks up and discharges the injected lens injection product 10. Conventionally, since the lens injection product was discharged by an elevating injection product discharging robot installed in an injection machine, there is a problem in that the height of the overall equipment is increased and the space use efficiency is decreased.

Therefore, the injection product discharge unit 100 according to the present embodiment is installed at the same height as the other components of the lens injection product cutting system 1 are installed, and moves back and forth into the injection machine while the lens injection product 10 Since it picks up and discharges, it has the advantage that it has a simple configuration and does not require a height higher than the injection machine.

To this end, in the present embodiment, the injection product discharge unit 100 is specifically as shown in Figs. 2 to 4, specifically the injection product gripping unit 110, the gripping unit up and down driving means 120, and the forward and backward driving means. It may be configured to include (130). First, as shown in FIG. 2, the injection object gripping part 110 has a clamp shape capable of gripping the insert 11 of the lens injection product 10 injected from the injection machine.

And the gripping unit up and down driving means 120 is coupled to the rear end of the injection object gripping unit 110, as shown in Figs. 2 to 4, to move the injection object gripping unit 110 in the vertical direction. Element. The gripping unit up and down driving means 120 descends to a width sufficient to hold the insert 11 while the injection object gripping unit 110 is moved onto the lens injection unit 10 and then rises again. It is to perform a function.

Next, the forward and backward driving means 130 is coupled to the rear end of the gripping unit up and down driving means 120, as shown in Figs. 2 to 4, and the gripping unit up and down driving means 120 and the injection product It is a component that moves the gripping unit 110 forward and backward. At this time, the forward and backward driving means 130 must discharge the lens injection product while moving the long stroke within a very short time.

Therefore, in this embodiment, the forward and backward driving means 130 is specifically, as shown in Figs. 2 to 4, the base plate 131, the first sliding member 132, the second sliding member 133, the slide device It can be configured including (134) and a double speed drive device. First, the base plate 131 is a plate that forms a bottom surface on which the forward and backward driving means 130 is installed, and the first sliding member 132 is installed on the base plate 131 so as to slide forward and backward. It is a component that becomes. The first sliding member 132 has a long rod shape as a whole.

Next, as shown in FIG. 4, the second sliding member 133 is installed on the first sliding member so as to slide forward and backward in the same direction together with the first sliding member 132. It is transported faster than the sliding member, and the gripping unit up and down driving means 120 is installed at the front end.

That is, the second sliding member 133 and the first sliding member 132 move back and forth in two stages in the same direction, while rapidly moving the moving section of the long stroke.

Next, the slide device 134, as shown in FIG. 4, is installed on the base plate 131 and the first and second sliding members 132, 133, and the first and second sliding members 132, It is a component that guides 133) to slide forward and backward.

Next, the double speed driving device 135 is installed on the base plate 131 and the first and second sliding members 132 and 133 so that the second sliding member 133 is more than the first sliding member 132. It is a component that allows it to operate forward or backward at a higher speed.

Next, as shown in FIG. 2, the injection product moving part 200 is installed adjacent to the injection product discharge part 100, and is a component that moves the lens injection product 10 to a cutting position. In this embodiment, the lens injection product 10 discharged by the injection product discharge unit 100 is in a state that is freshly discharged from the injection machine and is thus heated to a considerable temperature. Therefore, the lens injection product 10 needs to be cooled to a temperature suitable for cutting while moving to the lens cutting unit 300 by the injection product moving unit 200.

To this end, in this embodiment, the injection product moving part 200 may be configured to include the first injection product support 210, the standby support 220, and the injection product moving means 230, as shown in FIGS. 2 to 4 in detail. I can.

First, the first injection product support 210 is installed on the horizontal movement path of the injection product gripping unit 110, as shown in FIG. 2, and the lens injection product 10 discharged by the injection product discharge unit 110 ) Is the first component to be settled. Therefore, the position where the lens injection product 10 discharged from the injection machine by the injection product discharge unit 100 is first placed is the first injection product support 210. In this embodiment, the first injection object support 210 may be specifically configured as a pair of injection object supporters spaced apart at regular intervals.

Meanwhile, in the present embodiment, the first injection object support 210 is provided with a support horizontal movement means 212 at the lower portion, so that the lens injection object 10 can be horizontally moved from the initial seating position of the injection object to the first standby position. It is preferable to be configured in a structure. The initial mounting position of the injection product 10 of the lens injection product 10 is a complex location where the components forming the injection product discharge unit 100 move and overlapping movement lines.

Therefore, immediately after the lens injection product 10 is first seated on the first injection product support 210, the support horizontal movement means 212 moves it to the first standby position near the standby support 220. In this way, in a state in which the first injection product support 210 has moved the lens injection product 10, the injection product discharge unit 100 moves horizontally in the direction of the injection machine for the next operation.

And before the injection product discharge unit 100 picks up and discharges the next lens injection product, the first injection product support 210 transfers the lens injection product 10 seated on the upper surface to the standby support 220 and returns to the empty state. Return to the initial seating position and wait.

Next, as shown in Figs. 2 to 3, a plurality of the standby support 220 are installed adjacent to the initial injection product support 210 at a predetermined interval, and the lens injection product 10 is sequentially seated. These are the elements. That is, the standby support 220 is made of a plurality of standby support 220 arranged in a line at a predetermined interval, and the lens injection product 10 placed on the first injection product support 210 is the plurality of standby support ( 220) is effectively cooled while moving sequentially.

A specific structure of the standby support 220 may be composed of a pair of injection support supports installed with a central portion spaced apart from each other, similar to the initial injection support 210.

Next, as shown in Figs. 2 to 4, the injection product moving means 230 sequentially moves the lens injection product 10 while moving to the initial injection product support 210, the standby support 220, and the cutting position. It is a component. In this embodiment, the injection product moving means 230 may include a first injection product moving means 232 and a second injection product moving means 234 as shown in FIG. 3.

First, the first injection product moving means 232 is a component that moves the lens injection product 10 while horizontally moving below the first injection product support 210 and the standby support 220. That is, the first injection product moving means 232 reciprocates a straight track to which the end of the first injection product support 210 and the standby support 220 are connected, and lifts and descends in the vertical direction at each support position. It is to move and put down the placed lens injection product (10). At this time, the first injection product moving means 232 enters a spaced apart from the center of the support and lifts or lowers the lens injection product.

Next, as shown in FIG. 3, the second injection object moving means 234 is a component that grips and moves the lens injection object 10 from the upper side to the cutting position from the standby support 220. Accordingly, the second injection object moving means 234 may include a clamp capable of gripping while moving the lens injection object 10 from an upper side to a lower side, and a moving part that moves the clamp vertically and horizontally.

Next, the lens cutting part 300 is installed at the cutting position, as shown in FIGS. 2 to 4, and is a component for cutting the lens 12 from the lens injection product 10. The lens cutting part 300 has a structure capable of cutting all lenses simultaneously according to the number of lenses 12 formed in the lens injection product 10, and a known structure capable of cutting the lens from the lens injection product can be adopted. have. Therefore, a detailed description thereof will be omitted.

Next, as shown in Figs. 2 to 4, the lens loading unit 400 classifies the plurality of lenses 12 cut by the lens cutting unit 300 by individual cavities, and the lens tray 421 , 423). Here, the cavity refers to a plurality of cavities formed at the lens formation position among the molds provided to inject the lens injection product 10, and although the plurality of cavities are manufactured in the same size and shape, minute differences may occur. The plurality of lenses cut by the lens injection product 10 are numbered for each individual cavity, and then they are separated and loaded onto the lens trays 421 and 423.

To this end, in the present embodiment, the lens loading unit 400 may be specifically divided into a first moving unit 410 and a second moving unit 420. First, the first moving part 410 is a component for first horizontally moving the plurality of lenses 12 cut by the lens cutting part 300 at the cutting position to the first moving position as they are in the arrangement state when cutting.

Since the plurality of lenses cut by the lens cutting unit 300 are in a complicated position due to the components constituting the lens cutting unit 300 and the movement line thereof, the primary moving unit 410 can adjust these lenses to the cutting position. It is to move to a quiet primary movement position that is out of the way. At this time, the primary moving unit 410 moves the arrangement of the lenses as they are cut, so that the positions of the lenses for each cavity are not changed.

Next, the second moving part 420 is a component that separates and loads the lenses moved to the first moving position into the lens tray for each cavity. The secondary moving part 420 sorts a plurality of cut lenses by cavity and transfers them to the lens trays 421 and 423, which takes a lot of time compared to other processes. Accordingly, in this embodiment, as shown in Figs. 2 to 4, the secondary moving parts 420 are installed in a pair so as to be symmetrical to the left and right, so that the left and right sides are separately moved to shorten the process time.

To this end, the secondary moving part 420 may specifically include left and right lens trays 421 and 423, a left moving part 422, and a right moving part 424. First, the left lens tray 421 is a tray loaded to the left of the first moving position, and the right lens tray 423 is a tray loaded to the right of the first moving position. At this time, in the left and right lens trays 421 and 423, a plurality of lens mounting grooves are formed in a line for each cavity.

Next, the side moving part 422 is a component that grips only the lenses disposed on the left of the plurality of lenses in the primary moving position, and loads the left lens tray 421 for each cavity.

In addition, the right moving part 424 is a component that grips only the lenses disposed on the right of the plurality of lenses at the first moving position and loads them into the right lens tray 423 for each cavity.

In this embodiment, the left and right moving parts 422 and 424 may be composed of a plurality of vacuum suction modules capable of simultaneously suctioning a plurality of lenses with a vacuum suction force and a driving means capable of moving the vacuum suction module vertically and horizontally. have.

1: lens injection molding system according to an embodiment of the present invention
100: injection product discharge unit 200: injection product moving unit
300: lens cutting part 400: lens loading part
10: lens projection 12: lens

Claims (4)

An injection product discharge unit entering the injection machine and picking up and discharging the lens injection product;
An injection product moving part installed adjacent to the injection product discharging part and moving the lens injection product to a cutting position;
A lens cutting unit installed at the cutting position and configured to cut the lens from the lens injection product;
Includes; a lens loading unit for classifying a plurality of lenses cut by the lens cutting unit according to individual cavities and loading them onto a lens tray, and
The injection product discharge unit,
An injection product gripping part for gripping the lens injection product injected from the injection machine;
A gripping unit up and down driving means for moving the injection product gripping unit in a vertical direction;
Including; forward and backward driving means for moving the gripping unit up and down driving means forward and backward,
The injection product moving part,
A first injection product support mounted on a horizontal movement path of the injection product gripping unit and on which the lens injection product discharged from the injection product discharge unit is first seated;
A plurality of stand-by supports, which are installed adjacent to the first injection-molded product support and spaced apart at a predetermined interval, and sequentially seat the lens-implanted product;
Including; an injection product moving means for sequentially moving the lens injection product while moving to the initial injection product support, the standby support, and the cutting position,
The lens loading unit,
A first moving unit for first horizontally moving the plurality of lenses cut at the cutting position to the first moving position as they are arranged when cutting;
Includes; a second moving unit for separating and loading the lenses moved to the first moving position for each cavity in the lens tray, and
The forward and backward driving means includes a base plate; A first sliding member installed on the base plate to be slid forward and backward; It is installed on the first sliding member so as to slide forward and backward in the same direction together with the first sliding member, and is transported faster than the first sliding member, and a clamping device for clamping and transporting a predetermined product is installed at the front end. A second sliding member; A slide device installed on the base plate and the first and second sliding members to guide the first and second sliding members to slide forward and backward; And a double-speed driving device installed on the base plate and the first and second sliding members so that the second sliding member is operated forward or backward at a higher speed than the first sliding member. system. delete delete delete

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