Eye mask distributing device

Abstract

The utility model provides an eye mask distributing device which comprises a rack, an eye mask bin, an eye mask conveying belt and a grabbing mechanism, the eye mask bin is used for storing eye masks, and the eye mask bin is arranged on the rack. The eye mask conveying belt is arranged on the machine frame and used for conveying eye masks. The grabbing mechanism is used for grabbing the eye mask, and the grabbing mechanism is movably arranged on the rack so that the grabbing mechanism can move to the position above the eye mask bin and the eye mask conveying belt. The eye mask distributing device provided by the utility model can solve the problems of low production quality and low production efficiency during eye mask production, and achieves the effect of improving the production quality and the production efficiency during eye mask production.

Description

TECHNICAL FIELD

[0001] The utility model relates to eye mask all -in -one material loading technical field especially relates to an eye mask material distributing device. BACKGROUND

[0002] With the development of technology, the production of eye mask gradually realizes automation, not only improves the product quality of eye mask, but also reduces the artificial burden. Some eye mask production devices place eye mask in a stack on the eye mask buffer table when producing eye mask, and the eye mask is placed on the conveying belt by the taking and placing mechanism to carry out the next processing procedure. However, when the eye mask is placed in a stack on the eye mask buffer table, the eye mask is placed in a stack in a disorderly and disordered manner, so that the taking mechanism takes the eye mask, causing more or less taking, affecting the production quality of the eye mask. Moreover, if the eye mask is placed higher, the eye mask stack is easy to fall, affecting the production efficiency of the eye mask. SUMMARY

[0003] In view of the above problems, the utility model is provided to overcome the above problems or at least partially solve the above problems, an eye mask material distributing device, which can solve the problems of low production quality and production efficiency during eye mask production, and achieve the effect of improving the production quality and production efficiency during eye mask production.

[0004] Specifically, the utility model provides an eye mask material distributing device, which comprises:

[0005] A rack;

[0006] An eye mask bin for storing eye mask, which is arranged on the rack;

[0007] An eye mask conveying belt arranged on the rack, which is used for conveying eye mask;

[0008] A taking mechanism for taking eye mask, which is movably arranged on the rack to move above the eye mask bin and the eye mask conveying belt.

[0009] Optionally, the eye mask bin comprises a plurality of limiting columns, which define an eye mask placement area; when the eye mask is in the eye mask placement area, the side edge of the eye mask is in contact with the plurality of limiting columns.

[0010] Optionally, when the eye mask is in the eye mask bin, the side edge of the eye mask is in contact with the plurality of limiting columns.

[0011] Optionally, the eye mask bin comprises an eye mask bin barrel, which has the same shape as the eye mask.

[0012] Optionally, the eye mask material distributing device further comprises:

[0013] Mounting plate, which is slidably mounted on the frame;

[0014] A first lifting mechanism is fixedly mounted on the mounting plate, and the lower end of the first lifting mechanism is fixedly connected to the gripping mechanism.

[0015] Optionally, the eye membrane dispensing device further includes:

[0016] The support frame, on which the eye membrane hopper is fixedly mounted;

[0017] The second lifting mechanism is fixedly mounted on the frame. The second lifting mechanism drives the support frame to slide up and down so that the eye membrane at the top of the eye membrane hopper maintains a preset distance from the gripping mechanism.

[0018] Optionally, two eye membrane conveyor belts are provided, and the two eye membrane conveyor belts are horizontally arranged on the frame, and the eye membrane conveyor belts extend in the front-back direction;

[0019] There are two first lifting mechanisms, each of which is connected to two of the gripping mechanisms; each first lifting mechanism operates independently.

[0020] There are two second lifting mechanisms, which are respectively located on both sides of the eye membrane conveyor belt; each second lifting mechanism is connected to a support frame, and each support frame is provided with two eye membrane hoppers; each second lifting mechanism operates independently.

[0021] Optionally, the distance between the two gripping mechanisms is equal to the distance between the two eyelid conveyor belts;

[0022] The distance between the two eyepiece hoppers is equal to the distance between the two gripping mechanisms.

[0023] Optionally, the eye membrane dispensing device further includes:

[0024] The slider is fixedly connected to the mounting plate. The slider includes a connecting plate, two first sliding parts and a second sliding part. The two first sliding parts are symmetrically arranged at the upper and lower ends of the connecting plate. Each first sliding part is provided with a sliding groove, and the opening of the sliding groove faces the other first sliding part. The second sliding part is fixedly connected to the connecting plate, and the second sliding part and the connecting plate form a sliding hole.

[0025] A slide rail is fixedly connected to the frame and extends horizontally; the slide rail comprises first slide bars arranged at the upper and lower ends of the slide rail and second slide bars arranged in the middle of the slide rail; the first slide bars are in sliding cooperation with the first slide parts respectively; the second slide parts are arranged in the middle of the slide rail, and the second slide bars are arranged in the slide holes and in sliding cooperation with the slide holes;

[0026] A driving mechanism is arranged to drive the sliding block to slide along the slide rail.

[0027] Optionally, two driving mechanisms are arranged, each of which drives one mounting plate to slide along the slide rail, and the two driving mechanisms operate independently.

[0028] The first lifting mechanism is a pneumatic cylinder or a single-shaft robot; and / or

[0029] The second lifting mechanism is a pneumatic cylinder or a single-shaft robot.

[0030] In the eye mask material distribution device, the eye mask material distribution device comprises an eye mask bin and a grabbing mechanism. When the eye mask is distributed, the grabbing mechanism moves to the upper side of the eye mask bin, grabs the eye mask, and then moves to the upper side of the eye mask conveying belt, and places the eye mask on the eye mask conveying belt. The eye mask conveying belt conveys the eye mask to the next production procedure. The eye mask is in the eye mask bin, and the eye mask is placed in an orderly manner. When the grabbing mechanism grabs the eye mask, one eye mask above is accurately grabbed, and the problem of grabbing too many or too few eye masks is avoided, so that the production quality of the eye mask is improved. Moreover, the eye mask is placed in the eye mask bin, and the position of the eye mask is limited by the eye mask bin, so that the eye mask cannot be tilted. Therefore, the eye mask can be placed in the eye mask bin as much as possible, the adding frequency of the eye mask during the working process of the eye mask material distribution device is reduced, the pause time of the eye mask material distribution device is reduced, and the production efficiency of the eye mask material distribution device is improved.

[0031] The above and other objects, advantages and features of the present application will become more apparent from the following detailed description of some embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0032] Some specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, which are exemplary and non-limiting. The same reference signs in the drawings indicate the same or similar components or parts. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings:

[0033] Figure 1 is a schematic structural view of an eye mask material distribution device according to an embodiment of the present application;

[0034] Figure 2is a schematic structural diagram of a slider and a slide rail according to an embodiment of the present application. DETAILED DESCRIPTION

[0035] An eye mask sorting device is described below with reference to Figure 1 and Figure 2 In the description of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features, that is, one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited. When a certain feature "includes or contains" a certain or certain features, unless otherwise specifically described, it indicates that other features and can further include other features are not excluded.

[0036] Unless otherwise expressly specified and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and other terms should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0037] In addition, in the description of the present embodiment, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. That is, in the description of the present embodiment, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" or "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is less than the second feature in horizontal height.

[0038] In the description of the embodiments, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] Figure 1 is a schematic structural diagram of the eye mask material distribution device according to an embodiment of the utility model, as Figure 1 indicated, and with reference to Figure 2 , the embodiment of the utility model provides a kind of eye mask material distribution device 100, including rack 10, eye mask bin 20, eye mask conveying belt 30 and grabbing mechanism 410, eye mask bin 20 is used to store eye mask 70, eye mask bin 20 is set on rack 10.Eye mask conveying belt 30 is set on rack 10, and the eye mask conveying belt 30 is used to convey eye mask 70.Grabbing mechanism 410 is used to grab eye mask 70, and grabbing mechanism 410 is movably arranged on rack 10, so that grabbing mechanism 410 moves to the above of eye mask bin 20 and eye mask conveying belt 30.

[0040] In the embodiment, eye mask material distribution device 100 includes eye mask bin 20 and grabbing mechanism 410, when distributing eye mask 70, grabbing mechanism 410 moves to the above of eye mask bin 20, after grabbing eye mask 70, it moves to the above of eye mask conveying belt 30, and eye mask 70 is placed on eye mask conveying belt 30, and eye mask conveying belt 30 conveys eye mask 70 to next production procedure.Eye mask 70 is in eye mask bin 20, and eye mask 70 is placed more neatly, and when grabbing mechanism 410 grabs eye mask 70, it accurately goes to the above of one eye mask 70, avoids the problem of grabbing too much or too little when grabbing mechanism 410 grabs eye mask 70, to improve the production quality of eye mask 70.Moreover, eye mask 70 is placed in eye mask bin 20, and eye mask bin 20 limits the position of eye mask 70, and eye mask 70 cannot be dumped.Therefore, eye mask 70 can be placed in eye mask bin 20 as much as possible, the adding frequency of eye mask 70 in the working process of eye mask material distribution device 100 is reduced, the pause time of eye mask material distribution device 100 is reduced, and the production efficiency of eye mask material distribution device 100 is improved.

[0041] In some embodiments of the utility model, eye mask 70 is placed in eye mask bin 20 in advance, which can be manually placed in eye mask bin 20, or automatically placed in eye mask bin 20 by machine.

[0042] In some embodiments of this utility model, the eye membrane hopper 20 includes an eye membrane cylinder, the shape of which is the same as that of the eye membrane 70.

[0043] In this embodiment, the eye mask hopper 20 is an eye mask cylinder. When the eye masks 70 are placed in the eye mask hopper 20, they are stacked more neatly to prevent the eye masks 70 from being stacked in an overlapping manner. This avoids the problem of the gripping mechanism 410 gripping too many or too few eye masks 70, thereby improving the production quality of the eye masks 70.

[0044] In some embodiments of this utility model, such as Figure 1 As shown, the eye mask hopper 20 includes multiple limiting posts 210, which define an eye mask placement area. When the eye mask 70 is in the eye mask placement area, the side of the eye mask 70 is in contact with the multiple limiting posts 210.

[0045] In this embodiment, the eye mask hopper 20 includes multiple limiting posts 210. The eye masks 70 are placed between the multiple limiting posts 210. The multiple limiting posts 210 can prevent the eye masks 70 from tilting to one side, thereby improving the production efficiency of the eye mask dispensing device 100. Furthermore, the sides of the eye masks 70 contact the multiple limiting posts 210, making the stacking of the eye masks 70 more neat and preventing the eye masks 70 from being stacked in an overlapping manner. This avoids the problem of the gripping mechanism 410 gripping too many or too few eye masks 70, thereby improving the production quality of the eye masks 70.

[0046] Furthermore, when the eye membrane hopper 20 is set as a limiting post 210, the gripping mechanism 410 can move between multiple limiting posts 210 when gripping the eye membrane 70, reducing the possibility of the gripping mechanism 410 colliding with the eye membrane hopper 20 and making it easier for the gripping mechanism 410 to grip the eye membrane 70.

[0047] Furthermore, in some embodiments of this utility model, the eye mask hopper 20 includes four limiting posts 210, which are located at the four edges of a quadrangular prism. The four limiting posts 210 define an eye mask placement area. After the eye mask 70 is placed in the eye mask placement area, two limiting posts 210 are located on one side of the eye mask 70, and the remaining two limiting posts 210 are located on the other side of the eye mask 70.

[0048] In some other embodiments of this utility model, the positions of the multiple limiting posts 210 can also be set according to the shape of the eye membrane 70, that is, the shape of the multiple limiting posts 210 connected together is the same as the shape of the eye membrane 70.

[0049] In some embodiments of this utility model, the gripping mechanism 410 is a pneumatic needle suction cup.

[0050] In the embodiment, the eye mask 70 is relatively soft, the suction force of the pneumatic needle type suction cup is strong, the eye mask 70 can be more firmly adsorbed when the grabbing mechanism 410 grabs the eye mask 70, and thus the working efficiency of the eye mask distribution device 100 is improved. Moreover, the pneumatic needle type suction cup has high stability and can work stably for a long time, and thus the working efficiency of the eye mask distribution device 100 is further improved.

[0051] In some embodiments of the utility model, as shown in Figure 1 The eye mask distribution device 100 further comprises a mounting plate 420 and a first lifting mechanism 430, and the mounting plate 420 is slidably arranged on the rack 10. The first lifting mechanism 430 is fixedly installed on the mounting plate 420, and the lower end of the first lifting mechanism 430 is fixedly connected with the grabbing mechanism 410.

[0052] In the embodiment, the grabbing mechanism 410 is installed on the first lifting mechanism 430, so that the grabbing mechanism 410 can move up and down. The first lifting mechanism 430 is installed on the mounting plate 420, and the mounting plate 420 can slide on the rack 10, so that the grabbing mechanism 410 on the mounting plate 420 can slide. Through the arrangement of the first lifting mechanism 430 and the mounting plate 420, the grabbing mechanism 410 can move up and down and also can move horizontally, which facilitates the grabbing of the eye mask 70.

[0053] In some embodiments of the utility model, as shown in Figure 1 The eye mask distribution device 100 further comprises a support frame 510 and a second lifting mechanism 520, and the eye mask bin 20 is fixedly arranged on the support frame 510. The second lifting mechanism 520 is fixedly arranged on the rack 10, and the second lifting mechanism 520 drives the support frame 510 to slide up and down, so that the eye mask 70 at the uppermost part of the eye mask bin 20 keeps a preset distance from the grabbing mechanism 410.

[0054] In the embodiment, the support frame 510 is connected to the second lifting mechanism 520, and the eye mask bin 20 is placed on the support frame 510. When the eye mask distribution device 100 works, as the grabbing mechanism 410 grabs the eye mask 70, the eye mask 70 in the eye mask bin 20 gradually decreases, the second lifting mechanism 520 drives the eye mask bin 20 on the support frame 510 to gradually rise, so that the eye mask 70 at the uppermost part of the eye mask bin 20 always keeps the same distance from the grabbing mechanism 410, and the grabbing mechanism 410 can grab the eye mask 70 conveniently.

[0055] In some embodiments of the utility model, when the height of the eye mask 70 in the eye mask bin 20 decreases to a preset height, the second lifting mechanism 520 drives the eye mask bin 20 to descend to the lowest part, and the eye mask 70 is added to the eye mask bin 20. After the eye mask 70 is added, the second lifting mechanism 520 drives the eye mask bin 20 to rise, and the eye mask distribution device 100 starts to work again.

[0056] Further, the preset height is 5mm, that is, when the eye mask 70 in the eye mask bin 20 is lowered to 5mm, the eye mask dispensing device 100 is paused, and the second lifting mechanism 520 drives the eye mask bin 20 to be lowered to supplement the material.

[0057] In some embodiments of the utility model, as shown in Figure 1 The first lifting mechanism 430 is provided with two, and each first lifting mechanism 430 is connected with two grabbing mechanisms 410. Each first lifting mechanism 430 operates independently. The second lifting mechanism 520 is provided with two, and each second lifting mechanism 520 is arranged on the two sides of the eye mask conveying belt 30. Each second lifting mechanism 520 is connected with a support frame 510, and two eye mask bins 20 are arranged on each support frame 510. Each second lifting mechanism 520 operates independently.

[0058] In the embodiment, the eye mask dispensing device 100 comprises two eye mask conveying belts 30, two first lifting mechanisms 430 and four grabbing mechanisms 410. When the eye mask dispensing device 100 works, the first lifting mechanism 430 slides, and when the first lifting mechanism 430 slides to the upper side of the two eye mask bins 20, the first lifting mechanism 430 is lowered to make the two grabbing mechanisms 410 at the lower end grab the eye mask 70. After the eye mask 70 is grabbed, the first lifting mechanism 430 slides to bring the grabbing mechanism 410 to the upper side of the two eye mask conveying belts 30, and the grabbing mechanism 410 places the eye mask 70 on the eye mask conveying belt 30. One first lifting mechanism 430, two grabbing mechanisms 410, a second lifting mechanism 520 and two eye mask bins 20 form an eye mask 70 grabbing module, which can complete the complete eye mask 70 grabbing action. Two eye mask 70 grabbing modules operate alternately, that is, when one eye mask 70 grabbing module drives the two grabbing mechanisms 410 to grab the eye mask 70, the other eye mask 70 grabbing module completes the eye mask 70 grabbing action, and the first lifting device in the other eye mask 70 grabbing module slides to the upper side of the eye mask conveying belt 30 to drive the two grabbing mechanisms 410 to place the eye mask 70 on the eye mask conveying belt 30.

[0059] Since the two first lifting mechanisms 430 operate independently, when one of the eye mask 70 grabbing modules has a structure damage, the eye mask 70 grabbing module can be paused for replacement and maintenance. At this time, the other eye mask 70 grabbing module can operate normally. When one structure is damaged, it is not necessary to pause the whole eye mask dispensing device 100, thereby improving the working efficiency of the eye mask dispensing device 100.

[0060] In some embodiments of the utility model, as shown in Figure 1As shown, the distance between the two grabbing mechanisms 410 is equal to the distance between the two eye mask conveying belts 30. The distance between the two eye mask hoppers 20 is equal to the distance between the two grabbing mechanisms 410.

[0061] In this embodiment, the distance between the two grabbing mechanisms 410, the distance between the two eye mask hoppers 20 and the distance between the two eye mask conveying belts 30 are equal, which ensures the normal operation of the eye mask distributing device 100.

[0062] In some embodiments of the present application, as shown in the drawings, Figure 2 Figure 2 As shown, the eye mask distributing device 100 further comprises a sliding block 610, a sliding rail 620 and a driving mechanism. The sliding block 610 is fixedly connected to the mounting plate 420. The sliding block 610 comprises a connecting plate 611, two first sliding parts 612 and a second sliding part 614. The two first sliding parts 612 are symmetrically arranged at the upper and lower ends of the connecting plate 611. Each first sliding part 612 is provided with a sliding groove 613, and the opening of the sliding groove 613 faces the other first sliding part 612. The second sliding part 614 is fixedly connected to the connecting plate 611, and the second sliding part 614 and the connecting plate 611 form a sliding hole 615. The sliding rail 620 is fixedly connected to the rack 10 and extends along the horizontal direction. The sliding rail 620 comprises a first sliding bar 621 and a second sliding bar 622. The first sliding bar 621 is arranged at the upper and lower ends of the sliding rail 620, and the two first sliding bars 621 are respectively in sliding cooperation with the two first sliding parts 612. The second sliding part 614 is arranged at the middle part of the sliding rail 620, and the second sliding bar 622 is arranged in the sliding hole 615 and in sliding cooperation with the sliding hole 615. The driving mechanism drives the sliding block 610 to slide along the sliding rail 620.

[0063] In this embodiment, the upper end and the lower end of the sliding rail 620 are provided with the first sliding bar 621, and the middle part of the sliding rail 620 is provided with the second sliding bar 622 close to one side of the sliding block 610. The sliding block 610 comprises the sliding groove 613 in sliding cooperation with the first sliding bar 621, and further comprises the sliding hole 615 in sliding cooperation with the second sliding bar 622. The upper end, the lower end and the middle part of the sliding rail 620 are in sliding cooperation with the sliding block 610, and the sliding block 610 slides on the sliding rail 620 more smoothly, thereby avoiding the grabbing mechanism 410 from being stuck during the process of grabbing and placing the eye mask, and improving the working efficiency of the eye mask distributing device 100.

[0064] In some embodiments of the present application, the driving mechanism is provided with two driving mechanisms, each driving mechanism drives one mounting plate 420 to slide along the sliding rail 620, and the two driving mechanisms operate independently.

[0065] In the embodiment, the two driving mechanisms operate independently, so that the two first lifting mechanisms 430 can not move at the same time, when one of the eye film 70 grabbing modules has a structure damage, the eye film 70 grabbing module can be suspended for replacement and maintenance. At this time, the other eye film 70 grabbing module can operate normally. When one structure is damaged, the entire eye film distribution device 100 does not have to be suspended, thereby improving the working efficiency of the eye film distribution device 100.

[0066] In some embodiments of the utility model, the first lifting mechanism 430 is a pneumatic cylinder or a single-shaft robot.

[0067] In some embodiments of the utility model, the second lifting mechanism 520 is a pneumatic cylinder or a single-shaft robot.

[0068] In some embodiments of the utility model, the first lifting mechanism 430 is a pneumatic cylinder or a single-shaft robot. The second lifting mechanism 520 is a pneumatic cylinder or a single-shaft robot.

[0069] Preferably, the first lifting mechanism 430 is a pneumatic cylinder. The second lifting mechanism 520 is a single-shaft robot.

[0070] In some preferred embodiments of the utility model, the eye film distribution device 100 includes two eye film conveying belts 30, the second lifting mechanism 520 is a single-shaft robot, and the two single-shaft robots are located on both sides of the two eye film conveying belts 30. Each single-shaft robot drives the two eye film hoppers 20 to move up and down. The slide rail 620 is arranged above the eye film conveying belt 30. The first lifting mechanism 430 is a pneumatic cylinder, the grabbing mechanism 410 is a pneumatic needle suction cup, and the pneumatic cylinder is fixed with two pneumatic needle suction cups below. The mounting plate 420 moves on the slide rail 620 through the sliding block 610, so that the two pneumatic needle suction cups can slide to above the eye film hopper 20 and the eye film conveying belt 30.

[0071] In the embodiment, the eye film 70 is placed in the eye film hopper 20 in advance, the mounting plate 420 drives the pneumatic needle suction cup to move above the eye film hopper 20, the pneumatic cylinder is lowered to make the pneumatic needle suction cup grab the eye film 70. After grabbing the eye film 70, the pneumatic cylinder is raised, the mounting plate 420 drives the pneumatic needle suction cup to move above the eye film conveying belt 30. The pneumatic cylinder is lowered again to place the eye film 70 on the eye film conveying belt 30, and the complete eye film 70 grabbing and placing process is completed, and then the cycle is started. While one pneumatic cylinder is lowered to place the eye film 70, the other pneumatic cylinder is lowered to grab the eye film 70, and the two grabbing mechanisms 410 work alternately, thereby improving the working efficiency of the eye film distribution device 100.

[0072] Up to now, the person skilled in the art should recognize that, although the multiple exemplary embodiments of the utility model have been shown and described in detail herein, many other variants or modifications conforming to the principles of the utility model can still be directly determined or deduced according to the content disclosed by the utility model without departing from the spirit and scope of the utility model. Therefore, the scope of the utility model should be understood and recognized as covering all these other variants or modifications.

Claims

1. An ocular membrane dispensing device, characterized by, The application relates to an eye mask distribution device. The device comprises: a rack; an eye mask bin for storing eye masks, the eye mask bin being arranged on the rack; an eye mask conveying belt arranged on the rack, the eye mask conveying belt being used for conveying eye masks; a grabbing mechanism for grabbing eye masks, the grabbing mechanism being movably arranged on the rack so as to move above the eye mask bin and the eye mask conveying belt.

2. The eye mask distribution device according to claim 1, wherein the eye mask bin comprises a plurality of limiting columns, and the plurality of limiting columns define an eye mask placement area, and the side edges of the eye masks are in contact with the plurality of limiting columns when the eye masks are in the eye mask placement area.

3. The eye mask distribution device according to claim 2, wherein the side edges of the eye masks are in contact with the plurality of limiting columns when the eye masks are in the eye mask bin.

4. The eye mask distribution device according to claim 1, wherein 5. The ocular membrane distribution device of claim 1, wherein the eye mask bin comprises an eye mask bin barrel, and the shape of the eye mask bin barrel is the same as that of the eye masks. The device further comprises: a mounting plate slidably arranged on the rack; 6. The ocular membrane distribution device of claim 5, wherein a first lifting mechanism fixedly arranged on the mounting plate, and the lower end of the first lifting mechanism is fixedly connected with the grabbing mechanism. The device further comprises: a support frame, and the eye mask bin is fixedly arranged on the support frame; a second lifting mechanism fixedly arranged on the rack, and the second lifting mechanism drives the support frame to slide up and down so that the uppermost eye mask of the eye mask bin is kept at a preset distance from the grabbing mechanism.

7. The eye mask distribution device according to claim 6, wherein the eye mask conveying belt is arranged in two, and the two eye mask conveying belts are horizontally arranged on the rack and extend in the front-rear direction; the first lifting mechanism is arranged in two, each of the first lifting mechanisms is connected with two grabbing mechanisms, and each of the first lifting mechanisms operates independently; the second lifting mechanism is arranged in two, and the two second lifting mechanisms are arranged on the two sides of the eye mask conveying belt respectively, each of the second lifting mechanisms is connected with one support frame, each of the support frames is arranged with two eye mask bins, and each of the second lifting mechanisms operates independently.

8. The eye mask distribution device according to claim 7, wherein the distance between the two grabbing mechanisms is equal to the distance between the two eye mask conveying belts; and 9. The ocular membrane distribution device of claim 7, wherein, the distance between the two eye mask bins is equal to the distance between the two grabbing mechanisms. The device further comprises: a sliding block fixedly connected with the mounting plate, the sliding block comprises a connecting plate, two first sliding portions and a second sliding portion, the two first sliding portions are symmetrically arranged on the upper and lower ends of the connecting plate, each of the first sliding portions is arranged with a sliding groove, and the opening of the sliding groove faces the other first sliding portion; and the second sliding portion is fixedly connected with the connecting plate, and the second sliding portion and the connecting plate form a sliding hole. A slide rail is fixedly connected to the frame and extends horizontally. The slide rail comprises a first slide bar and a second slide bar. The first slide bars are arranged at the upper and lower ends of the slide rail and are in sliding cooperation with the first slide parts respectively. The second slide part is arranged at the middle of the slide rail, and the second slide bar is arranged in the slide hole and in sliding cooperation with the slide hole. A driving mechanism is arranged to drive the slide block to slide along the slide rail.

10. The eye mask dispensing device according to claim 9, wherein The driving mechanism is arranged in two, each of which drives one of the mounting plates to slide along the slide rail, and the two driving mechanisms operate independently. The first lifting mechanism is a pneumatic cylinder or a single-shaft robot; and / or The second lifting mechanism is a pneumatic cylinder or a single-shaft robot.

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