KR101134144B1 - Mold Cutting Apparatus for Contact Lens - Google Patents

Mold Cutting Apparatus for Contact Lens Download PDF

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Publication number
KR101134144B1
KR101134144B1 KR1020100048014A KR20100048014A KR101134144B1 KR 101134144 B1 KR101134144 B1 KR 101134144B1 KR 1020100048014 A KR1020100048014 A KR 1020100048014A KR 20100048014 A KR20100048014 A KR 20100048014A KR 101134144 B1 KR101134144 B1 KR 101134144B1
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KR
South Korea
Prior art keywords
mold
cutting
cutting device
contact lens
collecting
Prior art date
Application number
KR1020100048014A
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Korean (ko)
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KR20110128519A (en
Inventor
박화성
Original Assignee
(주)지오메디칼
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Application filed by (주)지오메디칼 filed Critical (주)지오메디칼
Priority to PCT/KR2010/003249 priority Critical patent/WO2011149115A1/en
Priority to KR1020100048014A priority patent/KR101134144B1/en
Publication of KR20110128519A publication Critical patent/KR20110128519A/en
Application granted granted Critical
Publication of KR101134144B1 publication Critical patent/KR101134144B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B26D3/166—Trimming tube-ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product

Abstract

The present invention includes a work support provided with a plurality of collection boxes so as to uniformly automate a process of cutting and supplying a mold from a mold body, thereby facilitating mold supply with a quick operation and improving quality by preventing defects and damage of the mold; A body part fixedly installed on the work support and having a mold waiting member and a mold tip discharge port formed on one side thereof; A cutting device for cutting the part connected to the mold by the cutting member by rotating the mold body fixedly installed and transferred to one side of the body portion; It is installed on the frame provided on the body so as to reciprocate from side to side along the guide rail and picks up the mold body from the mold waiting member and transfers it to the cutting device, or picks up the mold tip from which the mold is cut, to the mold tip outlet. A pickup device for transferring; It provides a mold cutting device for manufacturing a contact lens comprising a; mold collecting means for collecting the individual molds fixed on the work support to one side of the cutting device and supplied after cutting in the cutting device.

Description

Mold cutting device for contact lens manufacturing {Mold Cutting Apparatus for Contact Lens}

The present invention relates to a mold cutting device for manufacturing a contact lens, and more particularly, by automatically cutting only a mold from an injection-molded mold body and then transporting and supplying the mold, so that mold can be easily supplied and automated uniform cutting. The present invention relates to a mold cutting device for manufacturing a contact lens that can improve quality such as preventing mold defects and damages by work.

In general, contact lenses worn by being put in direct contact with the corneal surface of the eye are used to refract light by refracting light in contact with the corneal surface. In addition, it is widely used as a cosmetic contact lens that can produce a variety of eye colors by implementing colors and designs on contact lenses.

The contact lens has a curved portion that performs an optical function by refracting light at the center corresponding to the wearer's eyes, and the outer surface of the contact lens has a separate curved surface to reduce the overall thickness of the contact lens in order to reduce foreign object feeling during wearing. The part is formed.

Such a contact lens is typically manufactured in a half-molded type, that is, when the monomer that is the raw material of the contact lens is injected into the concave mold and the convex mold is left in the concave mold for a predetermined time, the monomer is cured. The contact lens is attached to the convex mold while forming the shape of the contact lens. As described above, the convex mold in which the monomer is hardened and bound is inserted into the jig of the lathe to cut and polish the convex surface of the contact lens, and then the contact lens is removed from the convex mold. Separately prepared methods are widely used.

In relation to the above manufacturing method, Korean Patent No. 10-0902658 discloses a method of manufacturing a contact lens by injecting a monomer between a concave mold forming a convex outer surface of a contact lens and a convex mold fitted to the concave mold. Corresponding to the recessed mold, the fitting groove fitted to the jig of the shelf has a cylindrical body stepped to reduce the diameter in multiple stages, the display projection is formed on the outer periphery of the bottom of the body while the astigmatism at the top end Injecting a convex mold having a convex surface formed according to the same; Marking step of marking the correct position by digging a groove using a drill on one side of the body of the convex mold; Injecting a monomer into a concave mold, pressing the hardened marking convex mold from a convex surface, and pressing and curing the convex mold from the concave mold; Cutting the convex mold into the jig of the lathe to cut the thickness of the contact lens peripheral portion bound to the convex surface of the convex mold to be 0.04 to 0.08 mm; Cutting the upper part including the convex surface of the convex mold through the cutting step using a cutter; Axial myopia cutting of the contact lenses bound to the convex surface by inserting the upper end of the cut convex mold into the jig of the toric lathe; The method of manufacturing a contact lens is characterized in that the step of: polishing the convex surface of the contact lens is completed myopia and then separating the contact lens from the convex mold to complete.

As such, in order to manufacture a contact lens, a mold in which synthetic resin is injected as a raw material is required, and as an embodiment of an injection apparatus and a mold configuration therefor for manufacturing a mold, the Republic of Korea Utility Model Registration No. 20-0347020 has a staircase at the bottom outside. An upper core having a first stepped portion formed therein and a coupling groove formed therein so that the lower portion of the upper core is inserted into one side to form a mold cavity at a predetermined interval, and the lower stepped second stepped step formed in the coupling groove. A mold of a contact lens for forming a mold mold by injecting a liquid mold material into the mold cavity to form a core and a lens core inserted into the other side of the coupling groove to form a mold cavity at a predetermined interval with a lower end of the upper core. In the mold injection molding apparatus, the lens core is formed with a curved portion so that the lens contact surface of the mold mold is convexly formed thereon, the curved An upper body having an inclined surface formed such that an inclined protrusion is formed at a peripheral portion of the lens contact surface at a periphery of the negative portion, and having a cylindrical shape perpendicular to a downward direction from one point of the inclined surface; The mold injection molding apparatus of the contact lens is known, characterized in that the lower body of the upper body is processed into a cylindrical shape having a larger diameter than the upper body is composed of a lower body protruding the engaging portion caught on the locking jaw in the coupling groove. have.

The conventional mold injection molding apparatus has a delay in productivity as the mold is molded into individual grains, resulting in decreased productivity, increased production cost by providing a cause of power consumption due to repeated press operations, and a process in manufacturing contact lenses. There was a problem that the overall work process is delayed because the supply of the mold is delayed.

Therefore, recently, in injection molding of a mold, a method of cutting and supplying individual molds after molding a mold itself by injecting a mold material into a mold provided so that several molds are connected at a time is used.

However, the work efficiency has to be reduced according to the manual work that the worker has to cut the mold of the mold from the mold body in which several molds are formed, and the cut mold has to be collected again and supplied to the process of manufacturing contact lenses, It is difficult to solve the problem of low productivity due to delayed time, and it requires a lot of manpower, which increases production cost and increases the defect rate due to the worker's error. Therefore, there is a need for a mold cutting device that can automatically cut and supply molds. Is urgent.

The present invention is to solve the above problems, by automating the cutting and supply of the mold from the injection-molded mold to form a plurality of molds, to minimize the number of working personnel and to facilitate the operation, rapid cutting operation It is possible to provide a mold cutting device for manufacturing a contact lens that can increase the productivity as it is possible to facilitate the mold supply, the purpose is.

In addition, the automated mechanical device that supplies the mold safely from the transfer of the mold to the uniform mold cutting enables uniform cutting and supply operation, thereby preventing the damage of the mold and reducing the incidence of defects. An object of the present invention is to provide a mold cutting device for manufacturing a contact lens capable of improving the quality of a mold.

The mold cutting device for manufacturing a contact lens proposed by the present invention includes: a work support provided with a plurality of collection boxes; A body part fixedly installed on the work support and having a mold waiting member and a mold tip discharge port formed on one side thereof; A cutting device for cutting the part connected to the mold by the cutting member by rotating the mold body fixedly installed and transferred to one side of the body portion; It is installed on the frame provided on the body so as to reciprocate from side to side along the guide rail and picks up the mold body from the mold waiting member and transfers it to the cutting device, or picks up the mold tip from which the mold is cut, to the mold tip outlet. A pickup device for transferring; And a mold collecting means for collecting the individual molds fixedly installed on the work support to one side of the cutting device and supplied after cutting in the cutting device.

The mold holding member of the body portion includes a protrusion member which is provided at least two in pairs to fix the transferred mold body upwardly protruding from the upper surface.

The cutting device is a fixed member which is fixed to the fixed shaft in the center and provided with a cutting member so as to protrude to the upper side, rotatably installed in the outer side of the fixing member and the groove is formed so that the mold portion can be mounted on the top A rotational member, a drive motor connected to and installed through a reduction gear to transfer rotational force to the rotational member, and a mold supply path for supplying a mold which is fixedly installed and inclined toward the mold collection means from one side of the rotational member; And a guide member fixedly installed at one side of the mold supply path and protruding upwardly of the rotating member to change the direction of the mold cut by the cutting member.

The cutting member of the cutting device is mounted on the fixing member and the mold body rotated by the rotating member contacts the upper side so that the mold can be cut from the mold body so that the mold contact portion is formed in a sharp shape. The blade is made.

The pick-up device is provided on the guide rail and the transfer member for smooth reciprocating movement from side to side, and the lifting member is provided with a guide rod fixed to the front of the transfer member and operated to move vertically from the bottom, and; It is fixed to the reciprocating movement up and down by the guide rod of the elevating member and comprises a tongs for operating to lift or lower the mold body to the forceps.

The mold collecting means is provided with a lifting and lowering conveying device for vertically transporting each mold which is installed so as to vertically reciprocate on one side of the cutting device and continuously supplied, and is fixedly fixed to one of the lifting and lowering devices. A mold supply unit for supplying the mold collection unit for receiving and collecting the supplied mold and a mold provided in one side of the mold collection unit so as to be reciprocally moved back and forth by a cylinder and pushing the mold provided in the lowering transfer device. Including the device.

The lifting and lowering device of the mold collecting means includes a first accommodating member in which a plurality of receiving spaces are formed in layers at equal intervals so as to accommodate a mold to be supplied after cutting and installed vertically along a frame provided at one side of the cutting device. And a winch which is connected to one side of the first accommodating member and moves up and down along a guide rod provided vertically, wherein the first accommodating member is opened to the front and rear to smoothly supply the mold after the mold is introduced or transported. It is formed into a structure.

A collection frame having a plurality of layers formed at equal intervals so as to be fixedly installed at one side of the lifting and lowering apparatus and corresponding to a receiving space formed in the first accommodation member, and a layer of the collection frame; A second receiving member coupled to and detachably from each other and having an inflow path formed at one corner thereof so that the mold can be introduced therein, and the collection frame is formed on each of the walls on one wall and operated by the mold supply device. It includes a lamp which is turned on when a predetermined amount of mold is supplied to the second receiving member according to the number of times.

The mold supply device of the mold collecting means includes a support fixed to the front end of the cylinder rod and formed in a rod shape, and a mold accommodated in the front of the support and accommodated in the lowered lift transportation device to the mold collection part. It includes a push member to push, the push member is formed in a shape corresponding to the mold to smoothly supply the mold and extends to both sides formed by including a push blade to prevent the first supplied mold to come off .

According to the mold cutting device for manufacturing a contact lens according to the present invention, the operation of cutting the mold from the mold body to be fed after injection molding or the supplying of the mold body and the cut mold before cutting is facilitated for the convenience of work. In addition, the work efficiency can be maximized with the minimum number of workers, and the rapid cutting operation and the supply of the cut molds are easily performed, thereby obtaining a technical effect of increasing productivity.

In addition, the mold cutting device for manufacturing a contact lens according to the present invention is to start the transfer of the mold by an automated mechanical device to uniformly cut the mold and to safely supply the cut mold as a uniform operation to prevent damage to the mold It is possible to reduce the occurrence rate of defects, to improve the quality of the mold supplied to the manufacturing of the contact lens, and to obtain the effect of improving the quality state of the contact lens by manufacturing the contact lens by supplying the excellent quality mold.

1 is a perspective view showing an embodiment according to the present invention;
2 is a front view showing an embodiment according to the present invention.
Figure 3 is a cross-sectional view showing a cutting device in one embodiment according to the present invention.
Figure 4 is a front view showing a lift transfer device in one embodiment according to the present invention.
5 is a perspective view showing a cutting member in one embodiment according to the present invention.
Figure 6 (a), (b) is a front view showing a state of use of the pickup apparatus in the present invention.
7 is a plan view showing a state of use of the cutting device in the present invention.
8 is a conceptual diagram showing a state of use of the mold supply apparatus in the present invention.
9 is a conceptual view showing a state of use of the mold collecting means in the present invention.

Next, a preferred embodiment of a mold cutting device for manufacturing a contact lens according to the present invention will be described in detail with reference to the drawings.

First, a preferred embodiment of the mold cutting device for manufacturing a contact lens according to the present invention, as shown in Figures 1 to 5, the work support 10 and the body portion 20, the cutting device 40 and the pickup device ( 30) and the mold collecting means (50).

As shown in FIG. 1, the work support 10 forms a frame having a structure in which a plurality of frames are connected, and an upper space is provided with a plate-shaped plate so as to be supported after installing a device, and formed between the connected frames. Collection box 11 is installed.

The collection box 11 is formed in a box shape, the top surface is formed in an open state, and the inside is provided with a space of a collectionable shape, and serves to collect the mold tip 2b from which the mold 2a is cut.

The work support 10 is also possible to install a wall plate (not shown in the figure) on the entire surface including front and rear and left and right to maintain the usual beauty.

When the wall plate is installed, it is preferable that the collection box 11 is formed of a transparent material so that the amount of the mold tips 2b collected in the collection box 11 can be confirmed.

In addition, the work support 10 is formed to a height that allows the worker to check the working state and to work smoothly.

It is also possible to form a wheel 16 on the lower surface of the work support 10 so that it can be moved if necessary, and in the case of being fixed and installed in a certain place after the movement of the support leg to prevent the movement of the work support 10 ( It is also possible to form 17).

The body portion 20 is fixedly installed on the work support 10, the upper one portion is provided with a mold standby member 21 for cutting and waiting for the transferred mold body 2, the mold is cut in the center A mold tip discharge port 25 for discharging the mold tip is formed.

The body portion 20 may be formed in a box shape of a rectangular parallelepiped, or may be formed in a box shape having a cross section such as an ellipse or a circular shape.

The mold standby member 21 includes a protrusion member 22 which is provided at least two in pairs to fix the mold body 2 protruding upward from the upper surface.

The upper portion of the mold standby member 21 may be formed of a material having a high frictional force such as rubber on the upper surface to minimize the sliding of the mold body (2).

The mold tip discharge port 25 is formed in a hopper shape to form a structure of the upper and lower strait, so that the mold tip (2b) is smoothly discharged, and coupled to extend below the mold tip discharge port (25) A discharge path 26 is formed to guide the mold tip 2b discharged to the collection box 11.

The cutting device 40 is fixedly installed on the body portion 20 but provided on the opposite side of the mold waiting member 21 and rotates the transferred mold body 2 by the cutting member 48 to mold 2a. ) Cuts the connected part.

The cutting device 40 is fixed to the fixed shaft 46 in the center and the fixing member 45 is provided with a cutting member 48 to protrude to the upper one side, and rotatable outside the fixing member 45 It is installed so that the upper portion of the mold (2a) can be mounted to the rotating member 41 is formed, and connected via the reduction gear 42 to transmit the rotational force to the rotating member 41 A mold supply passage 49 for supplying a driving motor 43, a mold 2a fixed and inclined toward the mold collecting means 50 from one side of the rotating member 41, and the mold supply passage; And a guide member 47 fixedly installed at one side of the 49 to protrude upwardly of the rotating member 41 to change the direction of the mold 2a cut by the cutting member 48. .

The cutting member 48 forms a sharp blade 48a protruding upward on one side. That is, as shown in Figure 5, the blade 48a formed by protruding upwards on one side sharply forms a portion of the blade 48a to which the mold body 2 is contacted, thereby placing it on the fixing member 45. Then, the mold body 2 rotated by the rotating member 41 is formed to be able to cut the mold 2a from the mold body 2 in contact with the blade 48a.

The cutting member 48 is formed in a form that can be separated and combined so as to be replaced from the fixing member 45 when the blade 48a is damaged.

The upper portion of the rotating member 41 is formed in a ring shape in which the center portion is hollow so that the fixing member 45 can be positioned.

The bottom surface of the groove 41a formed on the top surface of the rotating member 41 is formed at the same height as the top surface of the fixing member 45 so that the mounted mold body 2 is maintained in a horizontal state. .

An upper surface of the rotating member 41 is installed between the grooves 41a through which the plurality of molds 2a are mounted, and the separation preventing member 41b is installed to prevent the mold body 2 from being separated during rotation.

The drive motor 43 is connected to the rotating member 41 to transmit the rotational force, generally applied by applying the structure of the various drive motor 43 used in a device that requires power, such as a cutting device Since it is possible, the detailed description is omitted.

The reduction gear 42 connecting the rotating member 41 and the driving motor 43 controls the power but forms a worm gear to obtain a large reduction ratio of about 1/300.

The mold supply passage 49 forms a wide width of the tip portion to which the mold 2a cut from the rotating member 41 is supplied so that the mold 2a is smoothly supplied, and the supplied mold 2a is Sliding and moving again smoothly is inclined and fixed so as to be located in the mold collecting means (50).

The guide member 47 is a mold (2) is rotated by the rotational force of the rotary member 41 and the mold (2a) cut in contact with the cutting member 48 is formed in a constant curved surface of the guide member protruding As the contact is induced to 47, the direction is changed and is supplied to the mold supply passage 49.

The pickup device 30 is installed in the frame 36 provided on the body portion 20 so as to reciprocate from side to side along the guide rail 37, and the mold body 2 from the mold standby member 21. Pick up the transfer to the cutting device 40 or the mold (2a) serves to pick up the cut mold tip (2b) to transfer to the mold tip outlet (25).

The pick-up device 30 is installed on the guide rail 37 and the transfer member 31 is smoothly reciprocating to the left and right, and fixedly installed in front of the transfer member 31 and vertically moved up and down from the bottom A lifting member 32 provided with a guide rod 32a operative to operate so as to be reciprocated up and down by the guide rod 32a of the lifting member 32, and clamping the mold body 2 to the clamp 34. It comprises a tongs 33 to operate to lift or put down.

The transfer member 31 is repeatedly operated by setting the moving range from the center position of the mold holding member 21 to the center position where the fixed shaft 46 of the cutting device 40 is provided. After supplying the mold body 2 to the 40, the air is kept in the standby state for a while and then restored to the position of the mold standby member 21.

The tongs 34 of the tongs part 33 are horizontally moved in pairs in a left-right symmetrical structure, but an elastic member 35 is formed therein so as to easily hold and fix the mold 2.

The mold collecting means 50 collects individual molds 2a fixedly installed on the work support 10 to one side of the cutting device 40 and supplied after cutting in the cutting device 40. Lifting device 60, the mold collecting unit 80 and the mold supply device 70 is made.

The lifting and lowering transfer device 60 accommodates each vertical mold 2a which is installed to be capable of vertical reciprocating movement up and down on one side of the cutting device 40 and is continuously supplied.

The lifting and lowering device 60 is provided with a plurality of receiving spaces 62 so as to accommodate the mold (2a) is installed vertically movable along the frame 66 provided on one side of the cutting device 40 and supplied after cutting Hoist 63 for moving up and down along a guide rod 64 vertically provided by being connected to a first accommodating member 61 and formed at one side of the first accommodating member 61 at equal intervals. It is made, including.

The first accommodating member 61 is formed in a structure in which the front and rear sides are opened so that the mold 2a can be smoothly supplied after being introduced or transported.

The first accommodating member 61 is connected to the upper and lower sides of the opposite wall surface on which the hoist 63 is installed, respectively, and moves along the frame 66 with the movement of the hoist 63. 67).

The winch 63 is also possible to use the gearless type used for high speed movement by directly controlling the rotational speed of the DC motor without the gear, using the geared type used for medium speed and low speed movement by reducing the speed by the gear It is also possible.

The mold collecting unit 80 is to receive and collect the mold 2a fixedly installed and transported to one side of the lifting and lowering apparatus 60, and specifically, the receiving unit formed in the first accommodating member 61. A collection frame 86 having a plurality of layers formed at equal intervals to correspond to the space 62 and a collection frame 86 that can be combined and separated for each layer of the collection frame 86 and a mold 2a flows into one corner portion. It includes a second receiving member 81 is formed in the inflow path 83 to be possible.

One side of the collection frame 86 is opened to form the second accommodating member 81 so that the second accommodating member 81 is accessible, and the second accommodating member 81 is fixed to the second accommodating member 81 which flows into the lower part of the front and both sides. The support member 87 is provided to make it.

A locking protrusion 88 is formed below one side of the collecting frame 86 to which the second receiving member 81 enters and exits so that the second receiving member 81 introduced therefrom is not separated.

The inner side of the locking projection 88 is provided with a restoring spring, which is pressed when a load is applied from the upper side. If it is positioned past the locking projection 88 is also restored to be formed to prevent the separation of the second receiving member (81).

The collection frame 86 is formed for each layer on one wall surface and is turned on when a predetermined amount of mold 2a is supplied to the second receiving member 81 according to the number of operation of the mold supply device 70. Lamp 89.

The lamp 89 may be formed so that the color of the lamp 2 may be differently lit according to the working progress state so as to smoothly detect the inflow of the mold 2a accommodated in each of the second accommodating members 81.

For example, when one second receiving member 81 is set to receive 100 molds 2a, the mold 2a is supplied by the mold supplying device 70 so that the second receiving member ( 81), the green light is turned on to indicate that it is currently operating. When 90 molds (2a) are accommodated in the work in progress, the orange light indicating that there are 10 mold (2a) supplies in the future is turned on. When the mold 2a supply amount is set in a continuous operation, a red light is turned on to indicate completion of a set of work and indicate that the second accommodating member 81 needs to be replaced.

The second accommodating member 81 has a flat bottom surface and is formed in a tray shape to smoothly accommodate the mold 2a supplied.

The mold supply device 70 is installed on the one side of the mold collection unit 80 by a cylinder 74 so as to reciprocate back and forth, and pushes the mold 2a provided in the lifting and lowering device 60 moved downward. Supply to the mold collection unit (80).

The mold supply device 70 is fixed to the front end of the cylinder rod (74a) and is formed in the shape of a rod 73, and protruding forward of the support (73) and the lowered lifting and transporting device (60) It comprises a push member 71 for pushing the mold (2a) accommodated in the) to the mold collecting portion (80).

The support 73 is formed in the shape of a rod and is provided in the form of a central portion fixed to the cylinder rod 74a and standing upright.

The push member 71 is formed in a shape corresponding to the mold 2a so as to smoothly supply the mold 2a and extend to both sides to push the mold 2a to prevent the mold 2a from coming off and detaching. 72 is made.

Next, look at the operating relationship of the mold cutting device for manufacturing a contact lens according to an embodiment of the present invention.

First, after molding in the injection molding machine is transferred to a separate transport means to position the mold body 2 on the mold waiting member 21 of the body portion 20 according to an embodiment of the present invention, the mold waiting member 21 The central part of the mold body 2 is positioned between the pair of projection members 22 protruding to the upper surface of the center, and is inserted at the same time so that the pick-up device 30 is held in a floating position vertically upward. Start work.

Thereafter, the pickup device 30 moves to the position of the mold standby member 21 to pick up the mold 2, and referring to FIG. 6A, the transfer member 31 is a guide rail 37. Move along the center of the mold (2) in a vertical line and the elevating member (32) in a vertical linear movement to lift the mold (2) with the forceps (33), and then the transfer member (31) Moves along the guide rail 37 to a vertical line corresponding to the central portion of the cutting device 40, and the mold body 2 is positioned in the cutting device as the tongs 33 descend through the elevating member 32. Let's do it.

At this time, the pick-up device 30 maintains the standby state for a while at the position after raising the tongs 33 by the operation of the elevating member (32).

Subsequently, the cutting device 40 on which the mold body 2 is mounted rotates to cut a portion to which the mold 2a is connected from the mold body 2 with the cutting member 48, and then supplies only the mold 2a. That is, referring to Figure 7, the mold (2a) portion of the mold 2 is mounted so as to be located in the groove (41a) formed in the cutting device 40 and the rotary member (provided on the outside by the drive motor 43 ( As the 41 is rotated, the mold 2a is cut through the mold supply path 49 while the mold 2a is cut in contact with the cutting member 48 fixed to the fixing member 45 from the inside. Supply to the collecting means (50).

Here, the cut mold 2a is continuously fixed to one side of the mold supply path 49 and continuously rotates due to the rotating member 41 to the guide member 47 protruding upward of the rotating member 41. The mold 2a is smoothly supplied as the mold 2a contacts and switches the movement path toward the mold supply path 49.

At this time, the pick-up device 30 waiting at the position of the cutting device 40 after moving the mold body 2, as shown in (b) of FIG. After picking up again, the mold tip outlet 25 is moved to the position provided with the mold tip outlet 25 by the operation of the transfer member 31, and the mold tip 2b discharged is collected along the discharge path 26. Is moved to (11).

In addition, the mold 2a cut by the cutting device 40 accommodates the individual molds 2a as the accommodation spaces 62 formed in the first accommodation member 61 of the lifting and lowering transfer device 60 which are sequentially raised. , The lifting conveying device 60 is moved by the operation of the lifting device 63 to move up and down along the guide rod 64 and ascends, after receiving the mold 2a in the receiving space 62 formed for each layer, the mold is lowered. It is positioned to be able to supply the mold 2a to the collecting portion 80.

Subsequently, the mold 2a accommodated in the lowering movement lifter 60 is supplied to the mold collection unit 80 by the operation of the mold supply device 70. In other words, referring to FIGS. 8 and 9, the mold supply device 70 moves the push member 71 formed in plural by the linear movement of the cylinder 74 to the front, and the moved push member 71 is removed. 1 All the molds 2a provided in the accommodating member 61 are pushed and supplied to the mold collecting part 80.

As such, when the mold 2a of the quantity is collected in the second accommodating member 81 of the mold collecting part 80 by the continuous process, the lamp 89 formed in the collecting frame 86 is turned on, and the work is completed and the second accommodating is performed. Signal to replace member 81.

That is, according to one embodiment of the mold cutting device for manufacturing a contact lens according to the present invention configured as described above, the operation of cutting the mold from the mold body to be fed and supplied after injection molding or supplying the mold body and the cut mold before cutting By automating the work it is possible to facilitate the work, to maximize the work efficiency with a minimum number of workers, it is possible to increase the productivity by the easy cutting and supply of the cut mold is easy.

In addition, since the uniform mold cutting and the safe supply of the cut mold are performed uniformly by the transfer of the mold body by the automated mechanism, the damage rate of the mold is prevented and the defect occurrence rate is reduced. It is possible to improve the quality of the mold supplied to the contact lens, and by supplying a mold of excellent quality, the contact lens can be manufactured to improve the quality state of the contact lens.

In the above, a preferred embodiment of a mold cutting device for manufacturing a contact lens according to the present invention has been described. However, the present invention is not limited thereto, and the present invention is not limited thereto. It is possible and this also belongs to the scope of the present invention.

2 Mold 2a Mold 2b Mold Tip
10: work support 11: collection box 16: wheels
17: support leg 20: body 21: mold waiting member
22: projection member 25: mold tip outlet 26: discharge path
30: pickup device 31: transfer member 32: elevating member
32a: guide rod 33: tongs 34: tongs
37: guide rail 40: cutting device 41: rotating member
41a: groove 41b: release preventing member 42: reduction gear
43: drive motor 45: fixed member 46: fixed shaft
47: guide member 48: cutting member 48a: blade
49: mold supply path 50: mold collection means 60: lifting and lowering device
61: first receiving member 62,82: accommodation space 63: hoisting machine
64: guide rod 36,66: frame 67: moving member
70: mold supply device 71: push member 72: push wing
73: support 74: cylinder 74a: cylinder rod
80 mold collecting part 81 second receiving member 83 inflow path
86: collection frame 87: support member 88: locking projection
89: lamp

Claims (10)

A work support provided with a plurality of collection boxes;
A body part fixedly installed on the work support and having a mold waiting member and a mold tip discharge port formed on one side thereof;
A cutting device for cutting the part connected to the mold by the cutting member by rotating the mold body fixedly installed and transferred to one side of the body portion;
It is installed on the frame provided on the body so as to reciprocate from side to side along the guide rail and picks up the mold body from the mold waiting member and transfers it to the cutting device, or picks up the mold tip from which the mold is cut, to the mold tip outlet. A pickup device for transferring;
And a mold collecting means for collecting the individual molds fixed to the work support on one side of the cutting device and supplied after cutting in the cutting device.
The method according to claim 1,
The mold cutting device for forming a contact lens of the body portion includes a protrusion member protruding upward from the upper surface and having at least two pairs of protrusions to fix the transferred mold body. .
The method according to claim 1,
The cutting device includes a fixed member which is fixed to the fixed shaft in the center and provided with a cutting member to protrude to one side of the upper,
A rotating member rotatably installed at an outer side of the fixing member and having a groove formed at an upper portion thereof to allow the mold portion to be mounted thereon;
A drive motor connected to and installed through a reduction gear to transmit rotational force to the rotating member;
A mold supply passage for supplying a mold which is inclined and fixed to the mold collecting means from one side of the rotating member;
And a guide member fixedly installed at one side of the mold supply path and protruding upwardly of the rotating member to change a direction of the mold cut by the cutting member.
The method according to claim 1 or 3,
The cutting member of the cutting device is mounted on the fixing member and the mold body rotated by the rotating member contacts the upper side so that the mold body can cut the mold from the mold body, so that the part contacting the mold body has a sharp shape. Mold cutting device for manufacturing a contact lens, characterized in that comprises a blade formed.
The method according to claim 1,
The pickup device is connected to the guide rail and the transfer member for smooth reciprocating from side to side,
A lifting member fixed to the front of the conveying member and provided with a guide rod which operates to move vertically from the bottom to the vertical;
The mold cutting device for manufacturing a contact lens, characterized in that it comprises a tongs fixed to be installed to reciprocate up and down by the guide rod of the elevating member and to operate to lift or lower the mold body to the forceps.
The method according to claim 1,
The mold collecting means includes: a lift transfer device for vertically receiving and individually transporting individual molds which are vertically reciprocated in one side of the cutting device and continuously supplied;
A mold collecting part fixedly installed at one side of the elevating transportation device and collecting and transporting the supplied mold;
And a mold supply device which is installed on one side of the mold collection unit so as to be reciprocated back and forth by a cylinder and pushes a mold provided in the lifting and lowering transfer device to supply to the mold collection unit. Mold cutting device.
The method of claim 6,
The lifting and lowering and transporting apparatus of the mold collecting means includes a first accommodating space in which a plurality of receiving spaces are formed in layers at equal intervals so as to accommodate a mold supplied after cutting and vertically movable along a frame provided at one side of the cutting device. Absence,
It is connected to one side of the first accommodating member and includes a winch to move up and down along the guide rod provided vertically,
The first accommodating member is a mold cutting device for manufacturing a contact lens, characterized in that formed in a structure that is opened in front and rear so that the mold can be smoothly supplied after inflow or transfer.
The method of claim 6,
A mold collecting part of the mold collecting means, the collecting frame having a plurality of layers formed at equal intervals so as to be fixed to one side of the lifting and lowering device and corresponding to a receiving space formed in the first accommodating member;
Mold cutting device for manufacturing a contact lens, characterized in that it comprises a second accommodating member is formed to be coupled and separated for each layer of the collection frame and the inlet path is formed in one corner portion to allow the mold to flow.
The method according to claim 8,
The collection frame comprises contact lamps, each of which is formed on each wall on one wall and is turned on when a predetermined amount of mold is supplied to the second accommodating member according to the number of operations of the mold supply device. Mold cutting device for manufacturing.
The method of claim 6,
The mold supply device of the mold collecting means, the support is fixed to the front end of the cylinder rod and formed in a rod shape,
A push member protruding toward the front of the support and pushing the mold accommodated in the lowered lifting and lowering apparatus to the mold collecting unit,
The push member is formed in a shape corresponding to the mold to smoothly supply the mold and extends to both sides formed by cutting the mold for contact lens manufacturing, characterized in that it comprises a push wing to prevent the mold from coming off Device.
KR1020100048014A 2010-05-24 2010-05-24 Mold Cutting Apparatus for Contact Lens KR101134144B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/KR2010/003249 WO2011149115A1 (en) 2010-05-24 2010-05-24 Device for cutting mold for manufacturing contact lens
KR1020100048014A KR101134144B1 (en) 2010-05-24 2010-05-24 Mold Cutting Apparatus for Contact Lens

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Application Number Priority Date Filing Date Title
KR1020100048014A KR101134144B1 (en) 2010-05-24 2010-05-24 Mold Cutting Apparatus for Contact Lens

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