KR20220163735A - contact lens automatic packaging system - Google Patents

Abstract

The present invention relates to an automatic contact lens packaging system, which comprises: a track conveyor which forms a caterpillar track; a plurality of carrier vehicles which are coupled to the track conveyor to sequentially circulate and move each work process of the track; a blister supply unit which is located at one side of the track conveyor to supply a plurality of blisters as one set to the carrier vehicle; a blister alignment unit which is located at a post processing position of the blister supply unit to align the blisters mounted on the carrier vehicle and clean the same with air; a saline supply unit which is located at a post processing position of the blister alignment unit to inject saline into the blisters; a lens supply unit which is located at a post processing position of the saline supply unit to supply contact lenses to each of the blisters; a vision inspection unit which is located at a post processing position of the lens supply unit to inspect defects in the lens-loaded blisters; a blister recovery unit which is located at a post processing position of the vision inspection unit to recover the entire of one set of blisters from the carrier vehicle when a single defective blister is detected during vision inspection; a blister resupply unit which discharges defective blisters recovered by the blister recovery unit and fills with good-quality blisters only to input the good-quality blisters to the entire processes of the vision inspection unit; a transfer shuttle on which the blisters recovered from the blister recovery unit are mounted in a plurality of jig rows and which transfers the mounted blisters to the blister resupply unit; a packaging operation unit which is located at a post processing position of the vision inspection unit, and supplies a paper lid to the top of the good-quality blisters verified through inspection to perform fusion-packaging; and a blister discharge unit which discharges the packaged blisters. Therefore, the automatic contact lens packaging system can improve space utilization and reduce facility costs.

Description

Contact lens automatic packaging system {contact lens automatic packaging system}

The present invention relates to an automatic contact lens packaging system, and more particularly, a collection transfer of a blast recovery unit located in a post-process of the vision inspection unit automatically selects good blasts and defective blasts based on inspection data of the vision inspection unit, and transfers the shuttle. By separating and loading the blast, the operator eliminates the hassle of re-sorting the blast, and by rapidly supplying the transfer shuttle loaded with the selected blast to the blast re-supply unit by the shuttle transfer on the work table, It relates to an automatic contact lens packaging system that improves work efficiency.

In general, a contact lens that is worn directly on the eyeball to adjust vision is manufactured through a processing method such as injection using a resin material such as silicone.

Contact lenses that have been manufactured are packaged in such a way that a worker visually inspects them for defects, and then individually puts them together with saline in a packaging container called a blister, and then attaches a finishing material.

Recently, in addition to general contact lenses for vision correction, contact lenses for cosmetic purposes for the purpose of changing the shape of the iris or color of the iris, such as Korean Patent Registration No. 10-0586160 "Color Contact Lens", have been developed and are on sale. Its demand is growing significantly.

On the other hand, the shape of the iris formed in such a contact lens for cosmetic purposes is very fine and complicated, and it is difficult to distinguish the color of the iris, so it is very difficult for a worker to manually inspect whether or not it is defective.

In particular, due to the nature of the flexible contact lens, when a worker lifts the contact lens and inspects it, it is difficult to perform an accurate inspection while maintaining the shape as the contact lens is distorted.

In order to solve this problem, an automatic contact lens packaging system was proposed through Korean Patent Publication No. 10-2020-0137065.

As shown in FIG. 1 or 2, in the automatic contact lens packaging system according to the prior art, the contact lens contained in the cuvette 22 transported through the inspection conveyor 21 in which the cuvette 22 in the form of a transparent container is arranged. Inspection unit 1 inspects whether or not a defect is present in the contact lens, and the packaging unit 2, which takes out the contact lenses inspected by the inspection unit 1 from the cuvette 22, puts them into a blister for individual packaging, and then attaches a finishing material to the blister to wrap it. ) is composed of.

However, in the prior art described above, when a defect occurs in the vision inspection, the worker collects it, selects the good product manually, and then reintroduces it to the vision inspection process, so the defect repeatedly occurs depending on the operator's capability. It could be, and there was a problem with poor work efficiency.

Republic of Korea Patent No. 10-2020-0137065

The present invention has been made to solve the above problems, and its object is that the recovery transfer of the blast recovery unit located in the post-process of the vision inspection unit automatically selects and transfers good blasts and defective blasts based on inspection data of the vision inspection unit. By separating and loading the shuttle, the operator eliminates the hassle of re-sorting the blast, and by quickly supplying the transfer shuttle loaded with the selected blast to the blast re-supply unit by the shuttle transfer on the work table, It is to provide an automatic contact lens packaging system that improves work efficiency according to the present invention.

According to one aspect of the present invention for achieving the above object, a track conveyor forming a track of the endless track type; A plurality of transfer carts coupled to the track conveyor and sequentially circulating and moving through each work process of the track; A blast supply unit supplying a plurality of blasts as one set to the transfer cart at one side of the track conveyor; a blast aligning unit located in a process after the blast supplying unit and aligning and air-cleaning the blast mounted on the transfer cart; a saline solution supply unit located in a process after the blush aligning unit and injecting saline solution into the blast; a lens supply unit that is located after the saline solution supply unit and supplies contact lenses to each blast; a vision inspection unit located in a process after the lens supply unit and inspecting whether or not there is a defect in the lens-mounted blast; a blast recovery unit located in a process after the vision inspection unit and recovering one entire set of blasts from the transfer carriage when even one defective blast is detected in the vision inspection; a blast resupply unit for discharging defective blasts from among the blasts recovered by the blast collection unit and filling only the good quality blasts into the entire process of the vision inspection unit; a transfer shuttle for transporting and supplying the blast recovered from the blast recovery unit to a blast re-supply unit by loading the blast into a plurality of jig rows; A packaging operation unit located in a process after the vision inspection unit and supplying lead paper to the upper part of the blast that has passed the quality inspection for fusion packaging; and a blast discharge unit for discharging the packaged blast; an automatic contact lens packaging system may be provided.

In the present invention as described above, the recovery transfer of the blast recovery unit located in the post-process of the vision inspection unit automatically selects good blasts and defective blasts based on the inspection data of the vision inspection unit and separately loads them in the transfer shuttle, so that the operator can By eliminating the hassle of re-sorting the blast and quickly supplying the transfer shuttle equipped with the selected blast to the blast re-supplying unit using the side running part, it has the effect of improving work efficiency according to the re-inspection input.

In addition, in the present invention, the discharge transfer of the blast discharge unit picks up the blast of the transfer cart, loads it on the lift tray, and discharges the blast in tray units, thereby transporting and Logistics costs are reduced, and discharge conveyor equipment can be omitted, so space utilization can be increased and equipment costs are reduced.

1 is a perspective view showing an automatic contact lens packaging system according to the prior art.
2 is a view showing an inspection unit of an automatic contact lens packaging system according to the prior art.
3 is an overall process diagram showing the automatic contact lens packaging system according to the present invention.
Figure 4 is a view showing the main part of the track conveyor of Figure 3;
Figure 5 is a view showing the main part of the transfer cart of Figure 3;
Figure 6 is a view showing the main portion of the blast supply of Figure 3;
FIG. 7 is a view showing the main parts of the blast recovery unit and the blast resupply unit of FIG. 3;
Figure 8 is a view showing the main part of the packaging work of Figure 3;
Figure 9 is a view showing the main portion of the blast discharge portion of Figure 3;

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

3 is an overall process diagram showing the automatic contact lens packaging system according to the present invention.

As shown in the drawing, the automatic contact lens packaging system according to the present invention largely includes a track conveyor 110, a transfer cart 120, a blast supply unit 130, a blast alignment unit 140, a saline solution supply unit 150, It consists of a lens supply unit 160, a vision inspection unit 170, a blast recovery unit 180, a blast resupply unit 190, a transfer shuttle 200, a packaging operation unit 210, and a blast discharge unit 220. do.

First, referring to the track conveyor 110, the track conveyor 110 of the present invention is characterized in that it forms a track in the form of an endless track.

Through the configuration of the track conveyor 110 as described above, the automatic contact lens packaging system can be efficiently arranged in a narrow space, enabling intensive space arrangement.

A plurality of transfer carts 120 are coupled to the track conveyor 110 to sequentially circulate and move through each work process of the track.

The transfer cart 120 is to move the contact lens packaging case, that is, the blast 131 to each process. The transfer cart 120 forms a car body 121 connected to the track conveyor 110, and a jig for mounting a plurality of blasts 131 in one direction (outside of the track) of the car body 121. 123 is formed, and an anti-vibration roller 122 is installed in rolling contact with the track body of the track conveyor 110 under the vehicle body 121 to prevent vibration of the vehicle body 121 during the transfer process.

At this time, the jig 123 forms one set of a plurality of seating grooves 123a in which the blasts 131 are placed. An example of formation is shown.

A packaging case, that is, a blast, for individually packaging contact lenses is supplied to the jig 123 of the transfer cart 120 as described above, and goes through a plurality of work processes.

Hereinafter, the blast supply unit 130 will be described.

The blast supply unit 130 is installed on one side of the track conveyor 110 to fill and supply a plurality of blasts 131 to the transport cart 120 as one set.

Looking at the configuration of the blast supply unit 130, a hopper 132 into which a large amount of blasts 131 are injected at once is formed, and the blasts 131 injected into the hopper 132 are aligned and sequentially transported and supplied. A feeder 133 is formed, and a blast transfer 134 that picks up the blast 131 supplied by the feeder 133 and puts it on the jig 123 of the transfer cart 120 is formed.

At this time, up to 20,000 blasts 131 may be supplied to the hopper 132 .

The transfer carriage 120 receiving the blast 131 through the blast supply unit 130 is interlocked with the track conveyor 110 and transported to the blast alignment unit 140 as a post-process.

Hereinafter, the blast aligning unit 140 will be described.

The blast aligning unit 140 is located in a process after the blast supplying unit 130, and aligns and air-cleans the blast 131 mounted on the transfer cart 120.

At this time, the blast aligning unit 140 may be composed of an arranging unit 141 and an air cleaning unit 140. In the arranging unit 141, the blast 131 mounted on the transfer cart 120 Check for omissions and mounting conditions to ensure alignment.

In addition, the air cleaner 140 sprays air to the blast 131 placed on the jig 123 to remove foreign substances. At this time, the air is ionized air, and static electricity of the blast 131 may be removed.

The blast 131 aligned in the blast arranging unit 140 is transferred to the saline solution supply unit 150 as a post-process.

The saline solution supply unit 150 is located in a process after the blush aligning unit 141 and injects saline solution into each blast 131 . The blast 131 into which the saline solution is injected is transported to the lens supply unit 160, which is a post-process, and receives a contact lens.

At this time, the contact lens supply unit 160 selects good quality contact lenses through a separate vision test and supplies them to the blast.

For example, the contact lens supply unit 160 is provided with a cuvette in the form of a transparent container, and after injecting saline into the cuvette, a vision test is performed in a state in which the contact lens is immersed, and defective products are discharged, and only good products that have passed the test are discharged. It is selected and supplied to the blast.

The blast supplied with the contact lens is transferred to the vision inspection unit 170 as a post-process.

Hereinafter, the vision inspection unit 170 will be described. It is located in the process after the lens supply unit 160 and inspects whether or not the blast 131 equipped with the lens is defective. The contact lens contained in the blast 131 is photographed and inspected for defects based on the presence or absence of a contact lens and the position of the contact lens.

The blast 131 that has passed through the vision inspection unit 170 is transferred to the blast recovery unit 180 as a post process.

The blast recovery unit 180 is located in a process after the vision inspection unit 170, and collects the entire set of blasts from the transport cart 120 when even one defective blast is detected in the vision inspection.

The blast recovery unit 180 includes a recovery transfer 181 that picks up and transfers the blast.

The recovery transfer 181 picks up the entire set of blasts in which defects are detected and mounts them on the transfer shuttle 200 provided outside the conveyor track.

In addition, the blast recovered from the blast collection unit 180 undergoes a sorting operation, and the blast resupply unit 190, which is located in the entire process of the vision inspection unit 170 by discharging bad blasts and filling only the good quality blasts, to be put into

At this time, the blasts 131 recovered by the blast recovery unit 180 are loaded on the transfer shuttle 200, which forms a plurality of jig rows so that multiple sets of blast sets are loaded. do. Receiving grooves in which blasts are mounted are formed in each jig row.

Referring to FIG. 7, an example of forming a blast set to be filled with five jig rows is shown in the transfer shuttle 200 in the present invention.

The transfer shuttle 200 is sequentially filled with blast sets picked up by the recovery transfer 181. From the first jig row, only defective blasts are dropped, and only the remaining good blasts are loaded on the second jig row.

At this time, the operator manually discharges the defective blasts 131 dropped in the first jig row, so that the first jig row is empty.

Thereafter, the recovery transfer 181 causes only defective blasts to be dropped from the first jig sequence in the same manner, skips the second jig sequence, and loads remaining good quality blasts from the third jig sequence.

At this time, the operator manually discharges the defective blasts 131 dropped in the first jig row, so that the first jig row is empty.

After that, the recovery transfer 181 allows the blast to be loaded until the last jig row in the same way.

At this time, the transfer shuttle 200 discharges the defective blasts 131 from each jig train and loads only the good blasts 131, and transfers them to the blast resupply unit 190 in a state where one set is not filled and is waiting. be in a state The transfer shuttle 200 at this time is referred to as a first transfer shuttle.

At this time, the second transfer shuttle 200 is supplied to the blast collecting unit 180, and the blasts 131 are filled in the same way.

The second transfer shuttle 200 is transported to the former standby position of the blast resupply unit 190 and stands by.

At this time, the second transfer shuttle 200 is in a state in which bad blasts 131 are discharged from each jig row and only good blasts 131 are loaded so that one set is not filled.

At this time, the third transfer shuttle 200 is supplied to the blast collecting unit 180, and the blasts 131 are filled in the same way.

While the third transfer shuttle 200 is being filled, the operator manually picks up the quality blast 131 of the second transfer shuttle 200 and fills the empty space of the first transfer shuttle 200 .

Thereafter, the blasts 131 of the first transfer shuttle 200 filled with the blasts 131 are transported empty on the track conveyor 110 by the resupply transfer 191 provided in the blast resupply unit 190. It is mounted on the cart 120 and sent to the vision inspection unit 170 .

After the blasts 131 of the first transfer shuttle 200 are emptied, the task of filling the third transfer shuttle 200 with the blasts 131 proceeds, and when the third transfer shuttle 200 is filled , The third transfer shuttle 200 is moved to the position of the second transfer shuttle 200, the second transfer shuttle 200 is moved to the position of the first transfer shuttle 200, and the first transfer shuttle 200 is moved to the seat of the third transfer shuttle 200 so that the same operation is repeated.

In the present invention, the recovery transfer 181 based on the inspection data of the vision inspection unit 170 in the blast recovery unit 180 selects and loads good blasts and bad blasts 131, so that the operator can select each blur It is to eliminate the hassle of re-selecting the test and to improve work efficiency.

When the quality inspection is completed in the above manner, the blast 131 is supplied to the packaging unit 210 .

The packaging operation unit 210 is located in a process after the vision inspection unit 170, and supplies lead paper to the top of the blast 131 that has passed the quality inspection to perform fusion packaging.

At this time, the packaging operation unit 210 includes a lead paper supply unit 211 and a thermal fusion unit 212 .

The packed blast 131 moves to the blast discharge unit 220 and is discharged. At this time, the discharge transfer 221 is provided in the blast discharge unit, so that the blast 131 of the transfer cart 120 is picked up, loaded on the lift tray 222, and discharged.

The lift tray 222 provides trays stacked 20 each in a vertical direction to discharge the packed blasts 131 in tray units.

This has the advantage of reducing transportation and logistics costs of finished products compared to the existing method in which blasts are discharged individually.

In addition, since the discharge conveyor facility can be omitted, space utilization can be increased and facility costs can be reduced.

As described above, in the present invention, the recovery transfer of the blast recovery unit located in the post-process of the vision inspection unit automatically selects good blasts and defective blasts based on the inspection data of the vision inspection unit and separately loads them in the transfer shuttle, so that the operator can It is possible to improve the work efficiency according to the re-inspection input by eliminating the hassle of re-selecting the blast and quickly supplying the transfer shuttle equipped with the selected blast to the blast re-supply unit using the side running part.

As described above, the present invention is not limited to the specific preferred embodiments described above, and anyone having ordinary knowledge in the technical field to which the present invention belongs can make various modifications without departing from the gist of the present invention claimed in the claims. Of course, implementation is possible, and such changes are within the scope of the claims.

110: track conveyor
120: transfer truck
121: body
122: anti-vibration roller
123: jig
123a: seating groove
130: blast supply unit
131: Blast
132 Hopper
133: feeder
134: Blast Transfer
140: blast alignment unit
141: alignment unit
142: air cleaning unit
150: saline solution supply unit
160: lens supply unit
170: vision inspection unit
180: blast recovery unit
181: recovery transfer
190: blast resupply unit
191: resupply transfer
200: transfer shuttle
201: side running part
210: packaging work department
211: lead paper supply unit
212: thermally fused portion
220: blast discharge unit
221: exhaust transfer
222: lift tray

Claims (6)

A track conveyor 110 forming a track in the form of an endless track;
A plurality of transfer carts 120 coupled to the track conveyor 110 and sequentially circulating and moving through each work process of the track;
A blast supply unit 130 for supplying a plurality of blasts 131 as one set to the transfer cart 120 at one side of the track conveyor 110;
A blast aligning unit 140 located at a post-process of the blast supplying unit 130 and aligning and air-cleaning the blast 131 mounted on the transport cart 120;
a saline solution supply unit 150 located in a process after the blush aligning unit 141 and injecting saline solution into the blast 131;
a lens supply unit 160 located in a process after the saline solution supply unit 150 and supplying contact lenses to each blast 131;
a vision inspection unit 170 located in a process after the lens supply unit 160 and inspecting whether or not there is a defect in the blast 131 in which the lens is mounted;
a blast recovery unit 180 located in a process after the vision inspection unit 170 and recovering one entire set of blasts from the transfer cart 120 when even one defective blast is detected in the vision inspection;
a blast re-supplying unit 190 that discharges defective blasts from among the blasts recovered by the blast collecting unit 180 and fills only the good quality blasts and inputs them to the entire process of the vision inspection unit 170;
a transfer shuttle 200 for transporting and supplying the blast recovered from the blast recovery unit 180 to a blast resupply unit 190 by loading a plurality of jig rows;
a packaging operation unit 210 located at a post-process of the vision inspection unit 170 and supplying lead paper to the top of the blast 131 that has passed the quality inspection for fusion packaging; and
A contact lens automatic packaging system comprising a; blast discharge unit 220 for discharging the packaged blast 131.
According to claim 1,
The transfer cart 120 forms a body 121 connected to the track conveyor 110, and a jig 123 for mounting a plurality of blasts 131 on one side of the body 121, in the outer direction of the track. ), and is installed in rolling contact with the track body of the track conveyor 110 at the bottom of the vehicle body 121 to form an anti-vibration roller 122 to prevent vibration of the vehicle body 121 during the transfer process. Characterized in that Automatic contact lens packaging system.
According to claim 1,
The transfer shuttle 200 is sequentially filled with blast sets picked up by the recovery transfer 181, but the recovery transfer 181 is located at the outermost part of the track conveyor 110 among the jig trains of the transfer shuttle 200. From the beginning, only the defective blasts are dropped in the first jig string, and only the remaining good blasts are loaded in the second jig string, and the defective blasts 131 dropped in the first jig string are manually discharged to form the first jig string. The jig train is emptied, and the recovery transfer 181 allows only defective blasts to fall in the first jig train in the same way, skips the second jig train, and loads the remaining good blast in the third jig train. A contact lens automatic packaging system characterized in that the blast is loaded until the last jig row in a manner.
According to claim 3,
The transfer shuttle 200 of the blast recovery unit 180 is a blast re-supplying unit in a state where bad blasts 131 are discharged from each jig row and only good blasts 131 are loaded so that one set is not filled. 190 and is in a standby state, and when the transfer shuttle 200 at this time is referred to as a first transfer shuttle, the second transfer shuttle 200 is supplied to the blast recovery unit 180 to blur in the same way. The straws 131 are filled, and the second transfer shuttle 200 is transferred to the previous standby position of the blast resupply unit 190 and stands by, and the blast recovery unit 180 has a third transfer shuttle 200 ) is supplied and the blasts 131 are filled in the same way, and while the third transfer shuttle 200 is filled, the operator manually picks up the good quality blast 131 of the second transfer shuttle 200 The empty space of the first transfer shuttle 200 is filled, and the blasts 131 of the first transfer shuttle 200 filled with the blast 131 are resupply provided in the blast resupply unit 190 ( 191), the contact lens automatic packaging system characterized in that it is loaded on the empty transport cart 120 on the track conveyor 110 and transported to the vision inspection unit 170.
According to claim 4,
After the blasts 131 of the first transfer shuttle 200 are emptied, the task of filling the third transfer shuttle 200 with the blasts 131 proceeds, so that the third transfer shuttle 200 is filled. , the third transfer shuttle 200 is moved to the position of the second transfer shuttle 200, the second transfer shuttle 200 is moved to the position of the first transfer shuttle 200, and the first transfer shuttle 200 ) is moved to the seat of the third transfer shuttle 200 so that the same operation is repeated.
According to claim 1,
A discharge transfer 221 is provided in the blast discharge unit 220, and the discharge transfer 221 picks up the blast 131 of the transfer cart 120 and loads it on the lift tray 222 to blast ( 131) in a tray unit, characterized in that the contact lens automatic packaging system.

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