Electronic paper production material caching device and method

By designing an automated material buffering device for electronic paper production, the problems of low production efficiency and unstable yield caused by manual intervention were solved, achieving efficient buffer management and capacity improvement.

CN119079436BActive Publication Date: 2026-02-27JIANGXI XINGTAI TECH INC
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Patent Information

Application Number
CN202411260156.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2026-02-27
Estimated Expiration
2044-09-10

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Abstract

In the electronic paper production material caching device and method, the device comprises a feeding control module A, a discharging control module B, and a caching stack tray A group B group circulating rotation control module AB; the caching stack tray A group B group is rotated by the caching stack tray A group B group circulating rotation control module AB, so that the caching space moves to the upper surface of the caching stack tray A group; the feeding control module A places the caching material on the caching space on the upper surface of the caching stack tray A group; the caching stack tray A group B group is rotated by the caching stack tray A group B group circulating rotation control module AB, so that the caching material moves to the upper surface of the caching stack tray B group; and the discharging control module B discharges the material from the upper surface of the caching stack tray B group. The electronic paper production material caching device provides caching space, can integrate feeding, caching and discharging together, reduces various problems caused by manual intervention, and has good matching of caching time and space, can efficiently integrate various production links, and is higher in efficiency.
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Description

TECHNICAL FIELD

[0001] The application belongs to the field of electronic paper manufacturing, and particularly relates to an electronic paper production material buffering device and method. BACKGROUND

[0002] Electronic paper modules are now widely used in the fields of supermarket price tags, electronic books, mobile phones and other electronic devices. With the increasing market demand and the increasing maturity of automatic equipment, the production method of the product dispensing and resting process of the electronic paper module is also more prominent. The specific bottlenecks are as follows: the product cannot realize online single piece flow, the product is manually transported offline and placed in the tray, and there is a risk of product scattering; at present, the dispensing and resting process needs a static area, and it is difficult to place the standard manually; a special person needs to be arranged to unload the visual dispensing machine, and the frequent replacement of personnel has a greater impact on production capacity. Once the manual process fails, the product is easily affected, the repair rate is very low, and some do not have maintainability.

[0003] In view of the above problems, it is urgent to design an automatic alternating buffering and resting production method to realize the online single piece flow of the product and solve the bottleneck method of the product dispensing and resting process of the electronic paper module and the display effect of the production capacity, and to improve the production capacity and the product yield. SUMMARY

[0004] The technical problem to be solved by the application is to avoid the buffering link in the process of human intervention in the prior art, the low production efficiency and the low good product rate, and to provide an electronic paper production material buffering device and method, which provides a buffering space for electronic paper production material buffering, integrates feeding, buffering and discharging together, reduces various problems caused by manual intervention, has good matching of buffering time and space, can efficiently integrate various production links, and has higher efficiency.

[0005] The technical scheme for solving the above technical problem of the present application is an electronic paper production material buffering device, comprising: a buffering stack A group, a buffering stack B group, a buffering stack circulating assembly, an infeed assembly line group, and an outfeed assembly line group; the buffering stack A group comprises a buffering tray and a buffering tray up-down moving device A; the buffering tray up-down moving device A can drive the buffering tray to move up and down; the buffering stack B group comprises a buffering tray and a buffering tray up-down moving device B; the buffering tray up-down moving device B can drive the buffering tray to move up and down; the buffering tray is used for placing electronic paper production materials; the buffering stack circulating assembly comprises a buffering tray horizontal moving device C and a buffering tray horizontal moving device D; the buffering tray horizontal moving device C can move the buffering tray between the buffering stack A group and the buffering stack B group at an upper portion; the buffering tray horizontal moving device D can move the buffering tray between the buffering stack A group and the buffering stack B group at a lower portion; the infeed assembly line group comprises a conveyor belt device; the conveyor belt device is used for conveying electronic paper production materials; the electronic paper production materials enter the buffering stack A group from an upper portion of the buffering stack A group; the outfeed assembly line group comprises a conveyor belt device; the conveyor belt device is used for conveying electronic paper production materials; the electronic paper production materials are taken out of the buffering stack B group from an upper portion of the buffering stack B group; the empty buffering tray of the buffering stack B group is moved to the buffering stack A group by the buffering tray horizontal moving device C; the buffering tray of the buffering stack A group is moved to the buffering stack B group by the buffering tray horizontal moving device D.

[0006] The above electronic paper production material buffering device further comprises an in-buffering assembly; the in-buffering assembly comprises a feeding mechanical arm and a camera; the camera is used for identifying electronic paper production materials; the feeding mechanical arm is used for grabbing the electronic paper production materials to enter the buffering tray of the buffering stack A group; the above electronic paper production material buffering device further comprises an out-buffering assembly; the out-buffering assembly comprises an out-feeding mechanical arm and a camera; the camera is used for identifying electronic paper production materials; the out-feeding mechanical arm is used for grabbing the electronic paper production materials to be taken out of the buffering tray of the buffering stack B group.

[0007] The above electronic paper production material buffering device further comprises an empty tray stacking assembly; the empty tray stacking assembly comprises an empty tray stacking area and an empty tray moving device E; the empty tray taking out the electronic paper production materials is moved and stacked in the empty tray stacking area by the empty tray moving device E.

[0008] The number of buffering trays of the buffering stack A group NA can be set; the number of buffering trays of the buffering stack B group NB can be set; the speed of the infeed assembly line group conveying the electronic paper production materials can be set; and the speed of the outfeed assembly line group conveying the electronic paper production materials can be set.

[0009] The above electronic paper production material is an electronic paper module; and the infeed assembly line group is connected with a visual dispensing machine.

[0010] The above empty tray stacking assembly supports more than 10 layers of stacking in the internal empty tray stacking area.

[0011] The technical solution of the application for solving the above technical problem can also be an electronic paper production material buffering method, comprising a feeding control module A, a discharging control module B, and a buffering stack tray A group B group cycle rotation control module AB; the feeding control module A checks whether there is material to be buffered, and if there is material to be buffered, it queries whether there is a buffering space in the buffering stack tray A group B group; if the buffering stack tray A group B group needs to be cyclically rotated, it cooperates with the discharging control module B to lock the feeding or discharging process, and the buffering stack tray A group B group is rotated by the buffering stack tray A group B group cycle rotation control module AB, so that the buffering space moves to the upper surface of the buffering stack tray A group; the feeding control module A places the buffered material to the buffering space on the upper surface of the buffering stack tray A group; the discharging control module B checks whether there is material to be discharged, and if there is material to be discharged, it queries whether there is material to be buffered in the buffering stack tray A group B group; if needed, the buffering stack tray A group B group is cyclically rotated, and cooperates with the feeding control module A to lock the feeding or discharging process, and the buffering stack tray A group B group is rotated by the buffering stack tray A group B group cycle rotation control module AB, so that the buffered material moves to the upper surface of the buffering stack tray B group; the discharging control module B grabs the material from the upper surface of the buffering stack tray B group.

[0012] The buffering stack tray A group B group cycle rotation control module AB moves the upper buffering tray of the buffering stack tray B group to the upper layer of the buffering stack tray A group, and moves the lower buffering tray of the buffering stack tray A group to the lower layer of the buffering stack tray B group.

[0013] The buffering stack tray A group B group cycle rotation control module AB moves the upper buffering tray of the buffering stack tray B group to the upper layer of the buffering stack tray A group each time, and if a buffering space appears, the feeding control module A determines whether there is buffered material, and if there is buffered material, the feeding control module A controls to place the buffered material into the buffering space; the buffering stack tray A group B group cycle rotation control module AB moves the upper buffering tray of the buffering stack tray B group to the upper layer of the buffering stack tray A group each time, and the buffering stack tray in the buffering stack tray B group moves up one layer, and the discharging control module B determines whether there is a discharging requirement, and if there is a discharging control module B, the discharging control module B detects whether the upper buffering tray of the buffering stack tray B group has material, and if there is material, the discharging control module B grabs the material from the upper surface of the buffering stack tray B group.

[0014] The number NA of buffering trays of the buffering stack tray A group can be set; the number NA of buffering trays of the buffering stack tray A group matches the feeding speed and the buffering time; the number NB of buffering trays of the buffering stack tray B group can be set; the number NB of buffering trays of the buffering stack tray B group matches the feeding speed and the buffering time.

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

[0016] One of the beneficial effects of the technical solution in this application is that the buffer pallet group A, buffer pallet group B, buffer pallet circulation component, feeding assembly line component, and discharging assembly line component work together to form an automatic buffering assembly line, which can integrate feeding, buffering and discharging, reducing various problems caused by manual intervention.

[0017] One of the beneficial effects of the technical solution in this application is that the feed buffer component achieves automatic feeding recognition through a feeding robot and a camera, which is more efficient and more stable.

[0018] One of the beneficial effects of the technical solution in this application is that the unloading robot is used to grab electronic paper production materials and take out the buffer trays of the buffer stack B group to achieve automatic unloading identification, which is more efficient and more stable.

[0019] One of the beneficial effects of the technical solution in this application is that the cooperation of the empty disk stacking component, the empty disk stacking area, and the empty disk moving device E makes empty disk stacking more convenient, reduces the need for manual intervention, and improves efficiency.

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

[0021] One of the beneficial effects of the technical solution in this application is that the feeding control module A, the discharging control module B, and the buffer tray group A and group B cyclic rotation control module AB work together to realize the buffer space between feeding and discharging. The buffer tray group A and buffer tray group B, through the stacking of multiple buffer trays, provide a three-dimensional buffer space, resulting in higher space utilization efficiency. The input-output relationship settings between buffer tray group A and buffer tray group B provide more buffer space. The number of buffer trays in the space can be coordinated with the feeding and discharging speeds and the waiting time for static buffering, achieving seamless connection between various production stages and higher overall production efficiency.

[0022] One of the beneficial effects of the technical solution in this application is that the cache disk A group B group cyclic rotation control module AB moves the cache disk on the upper layer of cache disk B group to the upper layer of cache disk A group, which facilitates the transfer of empty cache disks or cache disks with cache slots.

[0023] One of the beneficial effects of the technical solution in this application is that the cache disk A group B group rotation control module AB moves the cache disk in the lower layer of cache disk A group to the lower layer of cache disk B group, thus providing cache.

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

[0025] One of the beneficial effects of the technical solution in the present application is that the number of cache disks in group A of the cache stack NA is matched with the feeding speed and the cache time; the number of cache disks in group B of the cache stack NB is matched with the feeding speed and the cache time. The number of cache disks can be set according to the number of required cache and the cache time, and the feeding and discharging speed.

[0026] When the cache time of different materials is different, the number of cache disks NA and NB can be adjusted, so that the number of cache disks NA and NB can accommodate the corresponding cache materials in the cache time and the feeding and discharging speed. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is an electronic paper production material cache device schematic block Figure 1 ;

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

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

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

[0031] Figure 5 is a flowchart of an electronic paper production material cache method Figure 1 ;

[0032] Figure 6 is a flowchart of an electronic paper production material cache method Figure 2 ;

[0033] Figure 7 is a flowchart of an electronic paper production material cache method Figure 3 ;

[0034] Figure 8 is a flowchart of an electronic paper production material cache method Figure 4 ;

[0035] Figure 9 is an electronic paper production material cache device running schematic Figure 1 ;

[0036] Figure 10 is an electronic paper production material cache device running schematicFigure 2 . DETAILED DESCRIPTION

[0037] It should be noted that the following description is merely exemplary of the application, and is not intended to limit the application since modifications will readily occur to those skilled in the art. Like reference numerals designate corresponding parts throughout the description. The application is not limited to the embodiments described, but only by the claims.

[0038] It should be noted that the following description is merely exemplary of the application, and is not intended to limit the application since modifications will readily occur to those skilled in the art. Like reference numerals designate corresponding parts throughout the description. The application is not limited to the embodiments described, but only by the claims.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second", and technical features numbered with Arabic numerals 1, 2, 3, etc., and "A" and "B" such numbering, are only for the purpose of description, and are only for the convenience of description, and do not represent the chronological or spatial sequence; cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", and numbered with Arabic numerals 1, 2, 3, etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise specifically limited.

[0040] As Figures 1-2 An embodiment of an electronic paper production material buffering device includes: a buffering stack A group 280, a buffering stack B group 290, a buffering stack circulating assembly, an infeed line assembly 212, and an outfeed line assembly 232. The buffering stack A group 280 includes a buffering stack 281 and a buffering stack up-down moving device A. The infeed line assembly 212 includes a conveyor belt device for conveying electronic paper production material 210, which is fed into the buffering stack A group from the upper part of the buffering stack A group. The outfeed line assembly 232 includes a conveyor belt device for conveying electronic paper production material 230, which is taken out of the buffering stack B group from the upper part of the buffering stack B group.

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

[0042] As Figure 4 In an embodiment of the electronic paper production material caching device, the caching tray stack circulating assembly comprises a caching tray horizontal moving device C and a caching tray horizontal moving device D; the caching tray horizontal moving device C can move the caching tray between the caching tray stack A group and the caching tray stack B group in the upper part; the caching tray horizontal moving device D can move the caching tray between the caching tray stack A group and the caching tray stack B group in the lower part. The empty caching tray of the caching tray stack B group is moved to the caching tray stack A group by the caching tray horizontal moving device C; the caching tray of the caching tray stack A group is moved to the caching tray stack B group by the caching tray horizontal moving device D.

[0043] As Figure 5 In an embodiment of the electronic paper production material caching device, the direction of the arrow B21 is the feeding direction of the feeding line assembly 212; the direction of the arrow B22 is the direction of the material from the feeding line to the caching tray stack A group 280; the direction of the arrow B23 is the direction of the material transferred from the bottom of the caching tray stack A group 280 to the bottom of the caching tray stack B group 290; the direction of the arrow B24 is the direction of the material transferred from the top of the caching tray stack B group 290 to the discharging line assembly 212. The direction of the arrow B24 is the direction of the empty tray moving stack.

[0044] As Figure 1 and Figure 2 In an embodiment of the electronic paper production material caching device, the empty tray stack assembly is further included; the empty tray stack assembly comprises an empty tray stack area and an empty tray moving device E; the empty tray 211 taking the electronic paper production material is moved and stacked in the empty tray stack area by the empty tray moving device E. The above-mentioned empty tray stack assembly has an internal empty tray stack area supporting more than 10 layers of stacking.

[0045] As Figure 2 In an embodiment of the electronic paper production material caching device, the feeding caching assembly is further included; the feeding caching assembly comprises a feeding mechanical arm 282 and a camera; the camera is used to identify the electronic paper production material, and the feeding mechanical arm 282 is used to grab the electronic paper production material into the caching tray of the caching tray stack A group. The feeding mechanical arm 282 and the camera are fixed on the feeding fixing device 283.

[0046] As Figure 2In an embodiment of the electronic paper production material buffering device, the out-buffering assembly comprises an out-buffering mechanical arm 292 and a camera. The camera is used to identify the electronic paper production material, and the out-buffering mechanical arm 292 is used to grab the electronic paper production material 230 from the buffer tray 291 of the buffer tray group B.

[0047] As Figure 2 In an embodiment of the electronic paper production material buffering device, the electronic paper production material is an electronic paper module, and the in-feed assembly is connected to a visual dispensing machine. After the visual dispensing machine dispenses the electronic paper module, sufficient time is needed for buffering to allow the glue to solidify and form a fixed connection in the material, so that the material can enter the next process. Before entering the next process, a buffering space needs to be set. If manual intervention is used, the uncertainty in manual movement, such as scattering and vibration, will affect the material.

[0048] In the electronic paper production material buffering device of the present application, buffering is performed. The electronic paper production material buffering device of the present application provides a three-dimensional buffering space for flow buffering, and can set different buffering capacities according to the solidification time requirements of different dispensing processes, so that the buffering time and buffering space are optimally coordinated. No separate buffering space needs to be set, and no manual intervention is needed in the buffering process. The whole process is automated, and the efficiency is higher.

[0049] As Figure 6 And Figure 7 In an embodiment of the electronic paper production material buffering method, the method comprises an in-feed control module A, an out-feed control module B, and a buffer tray group A / B group rotation control module AB. The in-feed control module A, the out-feed control module B, and the buffer tray group A / B group rotation control module AB each comprise corresponding software programs and hardware components.

[0050] As Figure 6 And Figure 7 In an embodiment of the electronic paper production material buffering method, the in-feed control module A checks whether there is material that needs to be buffered. If there is material that needs to be buffered, the in-feed control module A queries whether there is a buffering space in the buffer tray group A / B group. If the buffer tray group A / B group needs to be rotated, the in-feed control module A cooperates with the out-feed control module B to lock the in-feed or out-feed process. The buffer tray group A / B group is rotated by the buffer tray group A / B group rotation control module AB, so that the buffering space moves to the upper surface of the buffer tray group A. The in-feed control module A places the buffered material on the buffering space on the upper surface of the buffer tray group A.

[0051] As Figure 6 And Figure 7In an embodiment of the electronic paper production material caching method, the outfeed control module B checks whether there is a need to outfeed the cached material, and if there is a need to outfeed the cached material, it queries the caching tray group A group B group whether there is cached material; if necessary, the caching tray group A group B group rotates cyclically and cooperates with the infeed control module A to lock the infeed or outfeed process, and the caching tray group A group B group rotating cyclically control module AB rotates the caching tray group A group B group to make the cached material move to the upper surface of the caching tray group B group; and the outfeed control module B outfeeds the material grabbed from the upper surface of the caching tray group B group.

[0052] As Figure 6 and Figure 7 The caching tray group A group B group rotating cyclically control module AB moves the upper caching tray of the caching tray group B group to the upper caching tray of the caching tray group A group, and moves the lower caching tray of the caching tray group A group to the lower caching tray of the caching tray group B group.

[0053] In some embodiments, the number of caching trays of the caching tray group A group NA can be set; the number of caching trays of the caching tray group B group NB can be set; the speed of the infeed assembly conveying the electronic paper production material can be set; and the speed of the outfeed assembly conveying the electronic paper production material can be set. The number of caching trays of the caching tray group A group NA can be set; the number of caching trays of the caching tray group A group NA is matched with the infeed speed and the caching time; the number of caching trays of the caching tray group B group NB can be set; and the number of caching trays of the caching tray group B group NB is matched with the infeed speed and the caching time.

[0054] Through the setting of the two groups of caching trays, a recycling caching space is established, and the capacity of the caching space can be determined by the number of caching trays of the caching tray group A group NA and the number of caching trays of the caching tray group B group NB. The speed of the infeed assembly conveying the electronic paper production material can be set; and the speed of the outfeed assembly conveying the electronic paper production material can be set. Therefore, the caching time and space can be more flexibly matched.

[0055] For example, when the dispensing and curing time required is 20 minutes, the time from infeeding to the caching tray A group to outfeeding from the caching tray B group can be set to be greater than or equal to 20 minutes. Within 20 minutes, if the infeed is 4 pieces of electronic paper production material per minute, there is at least 80=20*4 pieces of material storage space in the caching space.

[0056] The size of the caching trays in the caching tray group A group and the caching tray group B group and the number of electronic paper production materials that can be placed in the caching trays can also be adjusted and changed according to actual needs. As long as the caching space and the infeed speed and the outfeed speed are matched, the infeed speed and the outfeed speed can be the same or different, and can be flexibly set according to actual use.

[0057] The buffer stack A group B group rotates control module AB moves the buffer disk on the upper layer of the buffer stack B group to the upper layer of the buffer stack A group each time. If a buffer space appears, the feeding control module A determines whether there is a buffer material. If there is a buffer material, the feeding control module A controls to put the buffer material into the buffer space.

[0058] The buffer stack A group B group rotates control module AB moves the buffer disk on the upper layer of the buffer stack B group to the upper layer of the buffer stack A group each time. If a buffer space appears, the feeding control module A determines whether there is a buffer material. If there is a buffer material, the feeding control module A controls to put the buffer material into the buffer space.

[0059] As shown in Figures 8-10 , the electronic paper production material buffer device and method are applied in the specific application. The function of the device is to buffer the silicone product statically. The product tray is fed, the empty tray is automatically stacked after the product is taken, manual feeding, the time interval of empty tray feeding is greater than or equal to 60 min; the product is static in the device, the time is greater than or equal to 25 min; the product is automatically fed to the discharge belt line after the static process is completed. As shown in Figures 8-10 , 1. The tray is fed to the device from the belt line; 2. The camera takes a picture, and the feeding manipulator takes the product to the buffer disk; 3. After the product is taken, the empty tray is collected; 4. After the empty tray is stacked to 32 layers, it is moved to the discharge position through the belt line; 5. After the second empty tray is stacked to 32 layers, the device prompts manual feeding. Figure 9 In the figure, the arrow direction is the feeding direction. Figure 9 In the figure, the arrow direction is the material flow direction. The product to be buffered is an electronic paper production material. As shown in Table 1, compared with manual intervention in the static process, the production capacity and product repair yield of the improved application are greatly improved.

[0060] Table 1

[0061]

[0062] As shown in Figures 1-10 , the above is only an embodiment of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or direct or indirect application in other related technical fields is also included in the patent protection scope of the application.

Claims

1. A material buffering device for electronic paper production, Its features are, Includes: Buffer pallet group A, Buffer pallet group B, Buffer pallet circulation component, Feeding assembly line component, and Discharge assembly line component; The cache disk group A includes a cache disk and a cache disk vertical movement device A; the cache disk vertical movement device A can drive the cache disk to move up and down. The cache disk group B includes a cache disk and a cache disk vertical movement device B; the cache disk vertical movement device B can drive the cache disk to move up and down. The buffer disk is used to store materials for electronic paper production; The cache disk circulation component includes a cache disk horizontal movement device C and a cache disk horizontal movement device D; The cache disk horizontal moving device C is located at the top and can move the cache disk between cache disk group A and cache disk group B. The cache disk horizontal moving device D can move the cache disk between cache disk group A and cache disk group B at the bottom. Two sets of cache disks establish a cache space that can be used cyclically. The size of this cache space is 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 feeding line assembly includes a conveyor belt device for conveying electronic paper production materials, which enter the buffer stack A group from the top of the buffer stack A group. The discharge assembly line includes a conveyor belt device for conveying electronic paper production materials, which are taken out of the buffer stack B from the top of the buffer stack B. The empty cache disks in cache disk group B are moved to cache disk group A by the cache disk horizontal moving device C; the cache disks above cache disk group B are moved to the upper layer of cache disk group A. The cache disks of cache disk group A are moved to cache disk group B by the cache disk horizontal moving device D; the cache disks at the lower level of cache disk group A are moved to the lower level of cache disk group B.

2. The electronic paper production material buffer device according to claim 1, characterized in that, It also includes a buffer component, which includes a feeding robot 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 buffer trays of buffer stack A. It also includes an output buffer component, which includes an output robot and a camera; The camera is used to identify the electronic paper production materials, and the unloading robot is used to grab the electronic paper production materials and remove the buffer disks from the buffer stack B.

3. The electronic paper production material buffer device according to claim 1, characterized in that, It also includes an empty disk stacking assembly; the empty disk stacking assembly includes an empty disk stacking area and an empty disk moving device E; Empty trays of electronic paper production materials are removed, moved by 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 heap group A (NA) is configurable; the number of cache disks in cache heap group B (NB) is configurable. The speed at which the feeding assembly line conveys the electronic paper production material can be set; the speed at which the discharging assembly line conveys the electronic paper production material can also 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 feeding assembly line is connected to the vision dispensing machine.

6. The electronic paper production material buffer device according to claim 3, characterized in that, The empty disk stacking component supports more than 10 stacking layers in its internal empty disk stacking area.

7. A method for buffering materials in electronic paper production, characterized in that, The electronic paper production material buffer device according to any one of claims 1 to 6; It also includes feed control module A, discharge control module B, and buffer stack group A and group B cyclic rotation control modules AB; The feed control module A checks if there are any materials that need to be cached. If there are cached materials, it queries whether there are any empty cache slots in cache stack groups A and B. If it is necessary for the buffer stack A and B to rotate in a cycle, and to work with the discharge control module B to lock the feeding or discharging process, the buffer stack A and B are rotated by the buffer stack A and B rotation control module AB, so that the buffer empty space moves to the upper surface of the buffer stack A. Feed control module A places the buffer material into the empty buffer slot on the upper surface of buffer stack A; The material discharge control module B checks if there is any cached material that needs to be discharged. If there is, it queries whether there is cached material in cache stack A and B groups. If necessary, the buffer pallets A and B rotate in a cycle, working in conjunction with the feeding control module A to lock the feeding or discharging process. The buffer pallets A and B are rotated by the buffer pallet A and B rotation control module AB, so that the buffered material moves to the upper surface of the buffer pallet B. The discharge control module B picks up and discharges materials from the upper surface of the buffer stack B group; The AB control module for the cyclic rotation of cache disk group A and group B moves the cache disks on the upper layer of cache disk group B to the upper layer of cache disk group A. The AB control module for rotating cache disks in cache disk group A and group B moves the cache disks in the lower layer of cache disk group A to the lower layer of cache disk group B.

8. The electronic paper production material buffering method according to claim 7, characterized in that, The buffer stack A group B group rotation control module AB moves the buffer disk on the upper layer of buffer stack B group to the upper layer of buffer stack A group each time. If there is a buffer empty space, the feeding control module A determines whether there is buffer material. If there is buffer material, the feeding control module A controls the buffer material to be put into the buffer empty space. The buffer pallet A and B cyclic rotation control modules AB move the upper buffer pallet of buffer pallet B to the upper layer of buffer pallet A each time. The buffer pallets in buffer pallet B move up one layer. The discharge control module B determines whether there is a discharge requirement. If there is, the discharge control module B checks whether there is material in the upper buffer pallet of buffer pallet B. If there is material, the discharge control module B grabs the material from the upper surface of buffer pallet B and discharges it.

9. The electronic paper production material buffering method according to claim 7, characterized in that, The number of cache disks NA in cache stack group A is configurable; the number of cache disks NA in cache stack group A is matched with the feed rate and the cache time. The number of cache disks NB in ​​cache stack B group can be set; the number of cache disks NB in ​​cache stack B group is matched with the feed rate and the cache time.

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