Electronic paper production material caching device and method

Abstract

The invention discloses an electronic paper production material temporary storage device and method. The device comprises a feeding control module A, a discharging control module B, a temporary storage stacking disc A group, a temporary storage stacking disc B group and a circulating rotation control module AB; the cache stacking disc A group and the cache stacking disc B group are rotated by the cache stacking disc A group and the cache stacking disc B group circulating rotation control module AB, so that the cache vacancy is moved to the upper surface of the cache stacking disc A group; the feeding control module A is used for placing cached materials into cache vacancies on the upper surface of the cache stacking disc A group; the cache stacking disc A group and the cache stacking disc B group are rotated by a cache stacking disc A group and a cache stacking disc B group circulating rotation control module AB, so that cache materials are moved to the upper surface of the cache stacking disc B group; and the discharging control module B grabs the materials from the upper surface of the cache stacking disc B group and discharges the materials. According to the buffering device, buffering space is provided for electronic paper production material buffering, feeding, buffering and discharging can be fused together, various problems caused by manual intervention are reduced, the buffering time and space matching performance is good, all production links can be efficiently fused, and efficiency is higher.

Description

Technical Field

[0001] The present application belongs to the field of electronic paper manufacturing, and specifically relates to an electronic paper production material caching device and method. Background Art

[0002] Electronic paper modules are now widely used in supermarket price tags, e-books, mobile phones and other electronic equipment. With the increase in market demand and the increasing maturity of automation equipment, the production method of the static process of electronic paper module products has become more prominent. The specific bottlenecks are as follows: the product cannot achieve online single-piece flow, and there is a risk of product loosening in the tray when manually moving the product offline to the pallet; currently, a static area is required for static dispensing, and it is difficult to grasp the standard of manual placement; a dedicated person is required to unload the visual dispensing machine, and frequent personnel changes have a greater impact on production capacity. In the process of manual participation, once a fault occurs, the product is easily affected by the sorting, the rework yield is very low, and some are not repairable.

[0003] In view of the above problems, it is urgent to design an automatic alternating cache static production method to realize the online single-piece flow of products to solve the bottleneck method of the static process of electronic paper module product dispensing and the display effect of production capacity, so as to improve the product production capacity and product yield. Summary of the invention

[0004] The technical problem to be solved by the present invention is to avoid the shortcomings of the above-mentioned prior art that humans intervene in the caching process, the production efficiency is low, and the yield rate is easily affected, and to provide an electronic paper production material caching device and method, which provides a caching space for electronic paper production material caching, can integrate feeding, caching and discharging together, reduce various problems caused by human intervention, and have good matching of caching time and space, can effectively integrate various production links, and have higher efficiency.

[0005] The technical solution of the present application for solving the above-mentioned technical problems is a cache device for electronic paper production materials, including: a cache stack plate group A, a cache stack plate group B, a cache stack plate circulation component, an infeed assembly, and an outfeed assembly; the cache stack plate group A includes a cache plate and a cache plate up and down moving device A; the cache plate up and down moving device A can drive the cache plate to move up and down; the cache stack plate group B includes a cache plate and a cache plate up and down moving device B; the cache plate up and down moving device B can drive the cache plate to move up and down; the cache plate is used to place electronic paper production materials; the cache stack plate circulation component includes a cache plate horizontal moving device C and a cache plate horizontal moving device D; the cache plate horizontal moving device C can be at the upper part, in the cache stack plate group A The cache tray is moved between the cache tray group A and the cache tray group B; the cache tray horizontal moving device D can move the cache tray between the cache tray group A and the cache tray group B at the lower part; the feeding assembly line component includes a conveyor belt device, which is used to transport electronic paper production materials, and the electronic paper production materials enter the cache tray group A from the upper part of the cache tray group A; the discharging assembly line component includes a conveyor belt device, which is used to transport electronic paper production materials, and the electronic paper production materials are taken out of the cache tray group B from the upper part of the cache tray group B; the empty cache tray of the cache tray group B is moved to the cache tray group A by the cache tray horizontal moving device C; the cache tray of the cache tray group A is moved to the cache tray group B by the cache tray horizontal moving device D.

[0006] The above-mentioned electronic paper production material caching device also includes a cache entry component, which includes a feeding robot and a camera; the camera is used to identify electronic paper production materials, and the feeding robot is used to grab the electronic paper production materials and enter the cache disk of cache stack group A; it also includes a cache exit component, which includes a discharging robot and a camera; the camera is used to identify electronic paper production materials, and the discharging robot is used to grab the electronic paper production materials and take them out of the cache disk of cache stack group B.

[0007] The electronic paper production material caching device also includes an empty tray stacking assembly; the empty tray stacking assembly includes an empty tray stacking area and an empty tray moving device E; the empty trays from which the electronic paper production materials are taken out are moved by the empty tray moving device E and stacked in the empty tray stacking area.

[0008] The number NA of cache trays in cache tray group A can be set; the number NB of cache trays in cache tray group B can be set; the speed at which the infeed assembly line component conveys electronic paper production materials can be set; the speed at which the outfeed assembly line component conveys electronic paper production materials can be set.

[0009] The above-mentioned electronic paper production materials are electronic paper modules, and the feeding line components are connected to the visual dispensing machine.

[0010] The empty disk stacking area inside the above-mentioned empty disk stacking assembly supports stacking layers greater than 10 layers.

[0011] The technical solution of the present application to solve the above-mentioned technical problems can also be a material caching method for electronic paper production, including a feed control module A, a discharge control module B, and a cache stack group A group B circular rotation control module AB; the feed control module A checks whether there is a need to cache material, and if there is a cache material, queries whether there is a cache space in the cache stack group A group B; if the cache stack group A group B needs to be cyclically rotated, the feed or discharge process is locked in coordination with the discharge control module B, and the cache stack group A group B circular rotation control module AB rotates the cache stack group A group B so that the cache space moves to the cache stack. The upper surface of group A; the feeding control module A places the cached materials into the cache space on the upper surface of the cache pile plate group A; the discharging control module B checks whether there is a need to discharge the cached materials. If there is a need to discharge the cached materials, it queries whether there are cached materials in groups A and B of the cache pile plates; if necessary, the cache pile plates group A and B rotate cyclically, and cooperate with the feeding control module A to lock the feeding or discharging process, and the cache pile plates group A and B are rotated by the cyclic rotation control module AB, so that the cached materials are moved to the upper surface of the cache pile plate group B; the discharging control module B grabs the materials from the upper surface of the cache pile plate group B and discharges them.

[0012] The cache disk group A and group B circular rotation control module AB moves the cache disk on the upper layer of cache disk group B to the upper layer of cache disk group A; the cache disk group A and group B circular rotation control module AB moves the cache disk on the lower layer of cache disk group A to the lower layer of cache disk group B.

[0013] The circular rotation control module AB of the cache pile plate group A and the cache pile plate group B moves the cache disk on the upper layer of the cache pile plate group B to the upper layer of the cache pile plate group A each time. If there is a cache space, the feed control module A determines whether there is cache material. If there is cache material, the feed control module A controls to put the cache material into the cache space; the circular rotation control module AB of the cache pile plate group A and the cache pile plate group B moves the cache disk on the upper layer of the cache pile plate group B to the upper layer of the cache pile plate group A each time, and the cache pile plate in the cache pile plate group B moves up one layer, and the discharging control module B determines whether there is a discharging demand. If there is a discharging control module B, the discharging control module B detects whether there is material on the cache disk on the upper layer of the cache pile plate group B. If there is material, the discharging control module B grabs the material from the upper surface of the cache pile plate group B and discharging it.

[0014] The number NA of cache disks in cache stack group A can be set; the number NA of cache disks in cache stack group A matches the feed speed and the cache time; the number NB of cache disks in cache stack group B can be set; the number NB of cache disks in cache stack group B matches the feed speed and the cache time.

[0015] One of the beneficial effects of the technical solution in the present application is that, by setting up a cache stack group A, a cache stack group B, and a cache stack circulation component, cache space is provided for the electronic paper production material cache, avoiding the need to professionally set up cache space.

[0016] One of the beneficial effects of the technical solution in the present application is that the cache stack group A, the cache stack group B, the cache stack circulation component, the feed assembly line component, and the discharge assembly line component cooperate to form an automatic caching assembly line, which can integrate feeding, caching and discharging, reducing various problems caused by human intervention.

[0017] One of the beneficial effects of the technical solution in the present application is the feed buffer component, which realizes automatic feed identification through a feed robot and a camera, with higher efficiency and better stability.

[0018] One of the beneficial effects of the technical solution in the present application is that the discharging robot is used to grab the electronic paper production materials and take out the cache disk of the cache stack group B to realize automatic discharging identification, which is more efficient and more stable.

[0019] One of the beneficial effects of the technical solution in the present application is that the coordination of the empty tray stacking assembly, the empty tray stacking area, and the empty tray moving device E makes the stacking of empty trays more convenient, reduces manual intervention, and improves efficiency.

[0020] One of the beneficial effects of the technical solution in the present application is that the empty disk stacking area supports stacking layers greater than 10 layers, further improving efficiency and reducing the degree of manual intervention.

[0021] One of the beneficial effects of the technical solution in the present application is that the feed control module A, the discharge control module B, and the circular rotation control module AB of the cache stack group A and group B cooperate to realize the cache space between the feed and the discharge. The cache stack group A and the cache stack group B provide a three-dimensional cache space through the superposition and storage of multiple layers of cache disks, and the space utilization efficiency is higher. The in-and-out relationship setting between the cache stack group A and the cache stack group B provides more cache space, and the number of cache disks in the space can be coordinated with the speed of feeding and discharging and the waiting time of static caching to achieve seamless connection of each production link and higher overall production efficiency.

[0022] One of the beneficial effects of the technical solution in the present application is that the circular rotation control module AB of the cache stack disk group A and group B moves the cache disk on the upper layer of the cache stack disk group B to the upper layer of the cache stack disk group A, thereby facilitating the transfer of empty cache disks or cache disks with cache vacancies.

[0023] One of the beneficial effects of the technical solution in the present application is that the circular rotation control module AB of the cache stack disk group A and the cache stack disk group B moves the cache disks in the lower layer of the cache stack disk group A to the lower layer of the cache stack disk group B to provide for caching.

[0024] One of the beneficial effects of the technical solution in the present application is that the number NA of cache disks in the cache stack disk group A can be set; the number NB of cache disks in the cache stack disk group B can be set, and the number of cache disks can be flexibly set according to the required cache quantity.

[0025] One of the beneficial effects of the technical solution in the present application is that the number NA of cache disks in cache disk group A matches the feed speed and the cache time; the number NB of cache disks in cache disk group B matches the feed speed and the cache time. The corresponding number of cache disks can be set according to the required cache quantity and cache time as well as the feed and discharge speed.

[0026] When the cache time of different materials is different, the cache disk quantities NA and NB can be adjusted so that the cache disk quantities NA and NB can accommodate the cache materials corresponding to the feeding and discharging speeds within the cache time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the electronic paper production material buffer device Figure 1 ;

[0028] Figure 2 This is a partial schematic diagram of the electronic paper production material cache device Figure 1 ;

[0029] Figure 3 This is a partial schematic diagram of the electronic paper production material cache device Figure 2 ;

[0030] Figure 4 This is a partial schematic diagram of the electronic paper production material cache device Figure 3 ;

[0031] Figure 5 This is a schematic diagram of the process of electronic paper production material caching method Figure 1 ;

[0032] Figure 6 This is a schematic diagram of the process of electronic paper production material caching method Figure 2 ;

[0033] Figure 7 This is a schematic diagram of the process of electronic paper production material caching method Figure 3 ;

[0034] Figure 8 This is a schematic diagram of the process of electronic paper production material caching method Figure 4 ;

[0035] Fig. 9 This is the operation diagram of the electronic paper production material buffer device Figure 1 ;

[0036] Fig.10 This is the operation diagram of the electronic paper production material buffer device Figure 2 . DETAILED DESCRIPTION

[0037] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0038] It should be noted that the following is a description of the preferred embodiments of the present application, which does not constitute any limitation to the present application. The description of the preferred embodiments of the present application is only an explanation of the general principles of the present application. The embodiments described in this application are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and technical features numbered with Arabic numerals 1, 2, 3, etc., and numbers such as "A" and "B", are only used for descriptive purposes and are only for the convenience of explanation, and do not represent a sequential relationship in time or space; they cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and numbered with Arabic numerals 1, 2, 3, etc. may explicitly or implicitly include one or more of the features. In the description of the present application, “several” means two or more than two, unless otherwise clearly and specifically defined.

[0040] like Figure 1 to Figure 2 In an embodiment of an electronic paper production material caching device, the device includes: a cache stack group A 280, a cache stack group B 290, a cache stack circulation component, an infeed assembly line component 212, and an outfeed assembly line component 232; the cache stack group A 280 includes a cache tray 281 and a cache tray up and down moving device A; the infeed assembly line component 212 includes a conveyor belt device, which is used to convey electronic paper production materials 210, and the electronic paper production materials 210 enter the cache stack group A from the upper part of the cache stack group A; the outfeed assembly line component 232 includes a conveyor belt device, which is used to convey electronic paper production materials 230, and the electronic paper production materials 230 are taken out of the cache stack group B from the upper part of the cache stack group B.

[0041] like Figure 2and Figure 3 In an embodiment of an electronic paper production material caching device, the cache tray up and down moving device A can drive the cache tray to move up and down; the cache stack tray group B 290 includes a cache tray 291 and a cache tray up and down moving device B; the cache tray up and down moving device B can drive the cache tray to move up and down; the cache tray is used to place electronic paper production materials 210.

[0042] like Figure 4 In an embodiment of a material cache device for electronic paper production, a cache tray circulation assembly includes a cache tray horizontal moving device C and a cache tray horizontal moving device D; the cache tray horizontal moving device C can move the cache tray between the cache tray group A and the cache tray group B at the upper part; the cache tray horizontal moving device D can move the cache tray between the cache tray group A and the cache tray group B at the lower part. The empty cache tray of the cache tray group B is moved by the cache tray horizontal moving device C to the cache tray group A; the cache tray of the cache tray group A is moved by the cache tray horizontal moving device D to the cache tray group B.

[0043] like Figure 5 In an embodiment of a material buffer device for electronic paper production, the direction of arrow B21 is the feeding direction of the feeding assembly 212; the direction of arrow B22 is the direction of the material entering the buffer tray A group 280 from the feeding assembly; the direction of arrow B23 is the direction of the material transferring from the bottom of the buffer tray A group 280 to the bottom of the buffer tray B group 290; the direction of arrow B24 is the direction of the material transferring from the top of the buffer tray B group 290 to the discharging assembly 212. The direction of arrow B24 is the direction of the empty tray moving and stacking.

[0044] like Figure 1 and Figure 2 In an embodiment of an electronic paper production material caching device, an empty tray stacking assembly is further included; the empty tray stacking assembly includes an empty tray stacking area and an empty tray moving device E; the empty tray 211 from which the electronic paper production material is taken out is moved by the empty tray moving device E and stacked in the empty tray stacking area. The empty tray stacking area inside the empty tray stacking assembly supports stacking more than 10 layers.

[0045] like Figure 2 In an embodiment of an electronic paper production material caching device, a cache entry component is further included, the cache entry component includes a feed manipulator 282 and a camera; the camera is used to identify the electronic paper production material, and the feed manipulator 282 is used to grab the electronic paper production material and enter the cache tray of the cache stack tray group A. The feed manipulator 282 and the camera are fixed on the feed fixing device 283.

[0046] like Figure 2In an embodiment of an electronic paper production material caching device, it also includes a cache outlet component, which includes a discharge robot 292 and a camera; the camera is used to identify the electronic paper production material, and the discharge robot 292 is used to grab the electronic paper production material 230 from the cache tray 291 of the cache stack tray group B.

[0047] like Figure 2 In an embodiment of a caching device for electronic paper production materials, the electronic paper production materials are electronic paper modules, and the feed line assembly is connected to a visual glue dispenser. After the visual glue dispenser dispenses glue on the electronic paper module, it needs to cache for a sufficient time to allow the glue to solidify and form a fixed connection relationship in the material before entering the next process. Before entering the next process, a cache space needs to be set. If manual intervention is required, the uncertainty in manual movement, such as scattering and vibration, will affect the material.

[0048] Cache in the electronic paper production material cache device of the present application. The electronic paper production material cache device in the present application provides a three-dimensional cache space for flow cache, and can set different cache capacities according to the curing time requirements of different dispensing processes, so that the cache time and cache space can be coordinated most efficiently. There is no need to set up a separate cache space, and there is no need for manual intervention in the cache process. The whole process is automated and more efficient.

[0049] like Figure 6 and Figure 7 In an embodiment of a material caching method for electronic paper production, it includes a feed control module A, a discharge control module B, and a cache stack group A and group B circular rotation control module AB; the feed control module A, the discharge control module B, and the cache stack group A and group B circular rotation control module AB all include corresponding software programs and hardware components.

[0050] like Figure 6 and Figure 7 In an embodiment of a material caching method for electronic paper production, a feed control module A checks whether there is a need to cache materials. If there is a need to cache materials, it queries whether there are cache spaces in cache stacks A and B. If the cache stacks A and B need to rotate cyclically, they cooperate with the discharge control module B to lock the feeding or discharging process, and the cache stacks A and B are rotated by the cache stacks A and B cyclic rotation control module AB so that the cache spaces are moved to the upper surface of the cache stacks A. The feed control module A places the cache materials in the cache spaces on the upper surface of the cache stacks A.

[0051] like Figure 6 and Figure 7In an embodiment of a material caching method for electronic paper production, a discharge control module B checks whether there is a need to discharge the cached material. If there is a need to discharge the cached material, it queries whether there is cached material in cache pile plate group A and group B; if necessary, the cache pile plate group A and group B rotate cyclically, and cooperate with the feed control module A to lock the feeding or discharging process, and the cache pile plate group A and group B are rotated by the cache pile plate group A and group B cyclic rotation control module AB, so that the cached material moves to the upper surface of the cache pile plate group B; the discharge control module B grabs the material from the upper surface of the cache pile plate group B and discharges it.

[0052] like Figure 6 and Figure 7 The cache disk group A and group B circular rotation control module AB moves the cache disk on the upper layer of cache disk group B to the upper layer of cache disk group A; the cache disk group A and group B circular rotation control module AB moves the cache disk on the lower layer of cache disk group A to the lower layer of cache disk group B.

[0053] In some embodiments, the number of cache disks in cache disk group A, NA, can be set; the number of cache disks in cache disk group B, NB, can be set; the speed at which the infeed assembly conveys electronic paper production materials can be set; the speed at which the outfeed assembly conveys electronic paper production materials can be set. The number of cache disks in cache disk group A, NA, can be set; the number of cache disks in cache disk group A, NA, matches the feed speed and the cache time; the number of cache disks in cache disk group B, NB, can be set; the number of cache disks in cache disk group B, NB, matches the feed speed and the cache time.

[0054] By setting two groups of cache disks, a recyclable cache space is established, and the capacity of the cache space can be determined by the number of cache disks NA in cache disk group A and the number of cache disks NB in ​​cache disk group B. The speed of the infeed assembly line component to convey the electronic paper production material can be set; the speed of the outfeed assembly line component to convey the electronic paper production material can be set. Therefore, the coordination of cache time and space can be more flexible.

[0055] For example, when the time required for glue curing is 20 minutes, the time from feeding into cache tray A to discharging from cache tray B can be set to be greater than or equal to 20 minutes. Within 20 minutes, if the feeding rate is 4 pieces of electronic paper production materials per minute, there is at least 80 = 20 * 4 pieces of material storage space in the cache space.

[0056] The size of the cache trays in the cache tray group A and group B and the number of electronic paper production materials that can be placed can also be adjusted and changed according to actual needs. As long as the cache space matches the feed speed and the discharge speed. The feed speed and the discharge speed can be the same or different, and can be flexibly set according to actual usage.

[0057] The cyclic rotation control module AB of the cache pile plate group A and the cache pile plate group B moves the cache disk on the upper layer of the cache pile plate group B to the upper layer of the cache pile plate group A each time. If there is a cache space, the feed control module A determines whether there is cache material. If there is cache material, the feed control module A controls the cache material to be placed in the cache space.

[0058] The cyclic rotation control module AB of cache pile plate group A and group B moves the cache disk on the upper layer of cache pile plate group B to the upper layer of cache pile plate group A each time, the cache disk in cache pile plate group B moves up one layer, and the discharging control module B determines whether there is a discharging demand. If there is a discharging control module B, the discharging control module B detects whether there is material on the cache disk on the upper layer of cache pile plate group B. If there is material, the discharging control module B grabs the material from the upper surface of cache pile plate group B and discharging it.

[0059] like Figures 8 to 10 , in the specific application of the material caching device and method for electronic paper production. The function of the device is to statically cache the silica gel products. The product trays are fed in, and the empty trays after taking the products are automatically stacked, and the materials are manually unloaded. The time interval for unloading the empty trays is ≥60min; the product is static in the equipment for ≥25min; the static products are automatically unloaded to the unloading belt line. Figures 8 to 10 1. The pallet is fed into the equipment from the belt line; 2. The upper camera takes a picture, and the loading robot takes the product to the cache tray; 3. After the products on the pallet are taken out, the empty pallet is collected; 4. After the empty pallet is stacked up to 32 layers, it is moved to the discharge position via the belt line; 5. After the second stack of empty pallets is stacked up to 32 layers, the equipment prompts manual material removal. Fig. 9 In the figure, the arrow direction is the cutting direction. Fig. 9 In the figure, the direction of the arrow is the flow direction of the material. The product to be cached is the material for producing electronic paper. As shown in Table 1 below, compared with the static process of manually intervening in the cache, the improved production capacity and the yield rate of product repair in this application are greatly improved.

[0060] Table 1

[0061]

[0062] like Figures 1 to 10 As shown, the above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electronic paper production material caching device, It is characterized in that Including: cache stacking plate group A, cache stacking plate group B, cache stacking plate circulation component, infeed assembly line component, outfeed assembly line component; The cache stack disk group A includes a cache disk and a cache disk up-and-down moving device A; the cache disk up-and-down moving device A can drive the cache disk to move up and down; The cache stack disk group B includes a cache disk and a cache disk up-and-down moving device B; the cache disk up-and-down moving device B can drive the cache disk to move up and down; The cache disk is used to store electronic paper production materials; The cache disk circulation assembly includes a cache disk horizontal moving device C and a cache disk horizontal moving device D; The cache disk horizontal moving device C can move the cache disk between the cache disk group A and the cache disk group B at the upper part; The cache tray horizontal moving device D can move the cache tray between the cache tray group A and the cache tray group B at the bottom; The feeding assembly line includes a conveyor belt device, which is used to convey electronic paper production materials. The electronic paper production materials enter the buffer stack tray group A from the upper part of the buffer stack tray group A. The discharging assembly line assembly includes a conveyor belt device, which is used to convey electronic paper production materials, and the electronic paper production materials are taken out of the buffer stack tray group B from the upper part of the buffer stack tray group B; The empty cache disks of the cache disk group B are moved to the cache disk group A by the cache disk horizontal moving device C; The cache disks of cache disk group A are moved to cache disk group B by cache disk horizontal moving device D.

2. The electronic paper production material buffer device according to claim 1, characterized in that: It also includes a buffer entry component, which includes a feeding manipulator and a camera; The camera is used to identify the electronic paper production materials, and the feeding robot is used to grab the electronic paper production materials and put them into the cache tray of the cache tray group A; It also includes a cache discharge component, which includes a discharge manipulator and a camera; The camera is used to identify electronic paper production materials, and the discharging robot is used to grab the electronic paper production materials and take out the cache tray of the cache stack tray group B.

3. The electronic paper production material buffer device according to claim 1, characterized in that: It also includes an empty tray stacking assembly; the empty tray stacking assembly includes an empty tray stacking area and an empty tray moving device E; The empty trays of electronic paper production materials are taken out, moved by the empty tray moving device E and stacked in the empty tray stacking area.

4. The electronic paper production material buffer device according to claim 1, characterized in that: The number of cache disks in cache stack disk group A can be set, NA; the number of cache disks in cache stack disk group B can be set, NB; The speed at which the infeed assembly line component conveys the electronic paper production materials can be set; the speed at which the outfeed assembly line component conveys the electronic paper production materials can be set.

5. The electronic paper production material buffer device according to claim 1, characterized in that: The electronic paper production material is an electronic paper module, and the feed line component is connected to the visual dispensing machine.

6. The electronic paper production material buffer device according to claim 3, characterized in that: The empty tray stacking area inside the empty tray stacking assembly supports stacking layers greater than 10 layers.

7. A method for caching electronic paper production materials, characterized in that: It includes a feeding control module A, a discharging control module B, and a cache stacking plate group A group B circulation rotation control module AB; Feed control module A checks whether there is material that needs to be cached. If there is material that needs to be cached, it queries whether there is vacant cache space in cache stack group A and group B; If the cache stacking discs A and B need to be rotated cyclically, the feeding or discharging process is locked in coordination with the discharging control module B, and the cache stacking discs A and B are rotated by the cyclic rotation control module AB so that the cache space moves to the upper surface of the cache stacking disc A; The feed control module A places the cached materials into the cache space on the upper surface of the cache stack plate group A; The material discharging control module B checks whether there is a need to discharge the cached material. If so, it queries whether there is a cached material in the cache stack group A and group B; If necessary, the cache stacking trays A and B rotate cyclically, and cooperate with the feeding control module A to lock the feeding or discharging process, and the cache stacking trays A and B are rotated by the cache stacking trays A and B cyclic rotation control module AB, so that the cached materials are moved to the upper surface of the cache stacking trays B; The discharging control module B grabs the material from the upper surface of the buffer stack plate group B and discharges it.

8. The electronic paper production material caching method according to claim 7, characterized in that: The cache stack disk group A and group B circular rotation control module AB moves the cache disk on the upper layer of the cache stack disk group B to the upper layer of the cache stack disk group A; The cache disk group A and group B circular rotation control module AB moves the cache disk in the lower layer of the cache disk group A to the lower layer of the cache disk group B.

9. The electronic paper production material caching method according to claim 8, characterized in that: The cache stacking disk group A and group B circular rotation control module AB moves the cache disk on the upper layer of the cache stacking disk group B to the upper layer of the cache stacking disk group A each time. If there is a cache vacancy, the feed control module A determines whether there is cache material. If there is cache material, the feed control module A controls to put the cache material into the cache vacancy; The cyclic rotation control module AB of cache pile plate group A and group B moves the cache disk on the upper layer of cache pile plate group B to the upper layer of cache pile plate group A each time, the cache disk in cache pile plate group B moves up one layer, and the discharging control module B determines whether there is a discharging demand. If there is a discharging control module B, the discharging control module B detects whether there is material on the cache disk on the upper layer of cache pile plate group B. If there is material, the discharging control module B grabs the material from the upper surface of cache pile plate group B and discharging it.

10. The electronic paper production material caching method according to claim 8, characterized in that: The number NA of cache disks in cache stack A group can be set; the number NA of cache disks in cache stack A group matches the feed speed and cache time; The number NB of cache disks in the cache stack B group can be set; the number NB of cache disks in the cache stack B group matches the feed speed and the cache time.

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