Unpacking machine for paper between screen glass substrates

Abstract

The invention discloses a screen glass substrate inter-paper unpacking machine which comprises a roller conveyor, a rack, a servo lead screw synchronous lifting table, a lifting roller set, a double-rotor linear motor, an inter-paper suction cup set and a screen glass substrate suction cup set. A servo lead screw synchronous lifting table is arranged at the position, corresponding to the lower side of the roller conveyor, of the bottom of the rack, a lifting roller set horizontally penetrating through the roller conveyor is erected on the servo lead screw synchronous lifting table, and a double-rotor linear motor is arranged at the top of the rack. By means of the mode, according to the screen glass substrate interpaper unpacking machine, multi-device parallel operation unpacking is achieved through the lifting roller set 4, so that the production line efficiency is effectively improved, and according to different material characteristics and size characteristics of interpaper and substrates, the unpacking efficiency is improved. And a corner position equal-ratio positioning scaling scheme based on diagonal negative pressure suction cups and an independent positioning scheme of an X-axis main beam and a Y-axis main beam are provided in a targeted mode, and therefore stable and efficient operation of the unpacking process is fully guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of display screen production and processing equipment, and in particular to a screen glass substrate paper unpacking machine. Background Art

[0002] Before display screen glass substrates enter the production line for processing, their foam boxes must be unpacked, and the interlayer paper and substrate bodies removed one by one. This entire process involves retrieving the substrates in two directions, so existing technology typically requires two production lines, with manual labor for both extraction and substrate handling. These two processes are time-consuming and pose a risk of collision during loading and unloading. Furthermore, the interlayer paper is light and soft, and wrinkles during unpacking make it difficult to stack and recycle. Furthermore, due to the size of the substrates (24 to 100 inches), large sizes require two or more people to handle them, making the process highly dangerous and unsatisfactory for production needs. Summary of the Invention

[0003] The main technical problem solved by the present invention is to provide a screen glass substrate inter-paper unpacking machine, which realizes parallel unpacking of multiple devices through the lifting roller group 4, thereby effectively improving the production line efficiency, and according to the different material properties and dimensional characteristics of the inter-paper and the substrate, targeted proposals are made for the proportional positioning and scaling of the corner positions of the diagonal negative pressure suction cup and the independent positioning scheme of the X-axis main beam and the Y-axis main beam, thereby fully ensuring the stable and efficient operation of the unpacking process.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a screen glass substrate inter-paper unpacking machine, including a roller conveyor, a frame, a servo screw synchronous lifting platform, a lifting roller group, a double-acting linear motor, a paper inter-paper suction cup group, and a screen glass substrate suction cup group. The frame is arranged along the roller conveyor, and a servo screw synchronous lifting platform is arranged on the bottom of the frame corresponding to the lower side of the roller conveyor. The servo screw synchronous lifting platform is equipped with a lifting roller group horizontally inserted into the roller conveyor, and a double-acting linear motor is arranged on the top of the frame. The double-acting linear motor is equipped with a first Z-axis servo module and a second Z-axis servo module that alternately dock with the lifting roller group. The first Z-axis servo module is equipped with a paper inter-paper suction cup group, and the second Z-axis servo module is equipped with a screen glass substrate suction cup group.

[0005] In a preferred embodiment of the present invention, the roller conveyor is provided with a blocking cylinder at the downstream port of the lifting roller group, and the lifting roller group is floated and lifted based on the roller surface of the roller conveyor through a servo screw synchronous lifting platform, and the frame is provided with a side baffle on the periphery when the lifting roller group is at the top end of the stroke, and a roller group facing the lifting roller group is installed on the side baffle.

[0006] In a preferred embodiment of the present invention, the frame is provided with two pairs of X-axis servo screw translation slides, which are respectively arranged on the outside of the two end ports of the lifting roller group, each pair of X-axis servo screw translation slides is mounted with a Y-axis crossbeam, and each end of each Y-axis crossbeam is provided with a pair of Y-axis servo screw translation slides, the side baffles are L-shaped and mounted on each of the Y-axis servo screw translation slides, and all side baffles are arranged at the corners of the lifting roller group in a rectangular enclosing structure.

[0007] In a preferred embodiment of the present invention, the interleaving paper suction cup group includes an angled suction cup group, an X-axis suction cup group, and a Y-axis suction cup group. The first Z-axis servo module is horizontally installed with X-axis profiles, Y-axis profiles, and diagonal bracing profiles that are staggered and spliced into a planar frame structure. The X-axis suction cup group is mounted on the X-axis profile, and the Y-axis suction cup group is mounted on the Y-axis profile.

[0008] In a preferred embodiment of the present invention, the angled suction cup group is independently connected to a first negative pressure air circuit, the X-axis suction cup group is independently connected to a second negative pressure air circuit, and the Y-axis suction cup group is independently connected to a third negative pressure air circuit. The X-axis suction cup group and the Y-axis suction cup group are centered in the center of the planar frame structure in a cross structure, and the angled suction cup groups are symmetrically distributed on both sides of the cross structure.

[0009] In a preferred embodiment of the present invention, the planar frame structure is a rectangular frame, and the interior of the rectangular frame is spliced with symmetrically distributed long side profiles, short side profiles and bevel profiles, and the bevel profiles are provided with linear rails, and the linear rails are provided with sliders with integrated pulleys, and synchronization links parallel to the long side profiles are erected between the sliders, and straight waist holes are symmetrically opened at both ends of the synchronization links, and the straight waist holes are slidably matched with the pulleys in a one-to-one correspondence, and the bevel suction cup group is hoisted at both ends of each synchronization link via a Z-axis telescopic cylinder, and the Z-axis telescopic cylinder is used to shake the spacer paper and release the negative pressure suction between the spacer paper and the screen glass substrate.

[0010] In a preferred embodiment of the present invention, a first synchronous belt linear module vertically spanning the synchronous connecting rods is horizontally arranged on the planar frame structure, and each synchronous connecting rod is symmetrically mounted on one half and the other half of the first synchronous belt linear module.

[0011] In a preferred embodiment of the present invention, the second Z-axis servo module is horizontally mounted with an upper profile frame, a pair of X-axis guide rails are provided on the upper profile frame, a pair of Y-axis sub-beams are mounted on the X-axis guide rails, each Y-axis sub-beam is respectively mounted with a Y-axis main beam, two ends of the Y-axis main beam are provided with Y-axis variable pitch slides, an X-axis main beam is mounted between the Y-axis variable pitch slides, each X-axis main beam is horizontally and vertically centered with a center profile, each X-axis main beam is provided with an X-axis variable pitch slide, and both ends of the X-axis variable pitch slide are respectively mounted with a corner carrier plate.

[0012] In a preferred embodiment of the present invention, the screen glass substrate suction cup group includes a corner suction cup group, a lateral suction cup group, and a central matrix suction cup group, and the corner suction cup group is integrated on each of the corner carriers; the lateral suction cup group is integrated on the center profile; the central matrix suction cup group is composed of a number of vacuum suction cups stacked and distributed in a U-shaped structure, and the vacuum suction cups are integrated on the upper profile frame or the Y-axis main beam; the corner suction cup group is independently connected to the fourth negative pressure air circuit, the lateral suction cup group is independently connected to the fifth negative pressure air circuit, and the central matrix suction cup group is independently connected to the sixth negative pressure air circuit.

[0013] In a preferred embodiment of the present invention, the upper profile frame is horizontally provided with a second synchronous belt linear module along the X-axis, and the Y-axis sub-beam is symmetrically mounted on the upper and lower halves of the second synchronous belt linear module; the upper profile frame is horizontally provided with a third synchronous belt linear module along the Y-axis, and each middle profile is symmetrically mounted on the upper and lower halves of the third synchronous belt linear module.

[0014] The beneficial effects of the present invention are as follows: the present invention provides a screen glass substrate inter-paper unpacking machine, which realizes parallel unpacking of multiple devices through the lifting roller group 4, thereby effectively improving the production line efficiency, and according to the different material properties and dimensional characteristics of the inter-paper and the substrate, a targeted solution is proposed for the proportional positioning and scaling of the corner positions of the diagonal negative pressure suction cup and the independent positioning scheme of the X-axis main beam and the Y-axis main beam, thereby fully ensuring the stable and efficient operation of the unpacking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which: Figure 1 This is an overall structural diagram of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 2 This is a structural diagram of a side baffle of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 3 This is a structural diagram of a lifting roller assembly of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 4 This is a structural diagram of a double-motor linear motor of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 5 This is a planar frame structure diagram of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 6 This is a structural diagram of a substrate pitch-varying solution of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention; Figure 7 This is a diagram showing the interleaving paper air path structure of a preferred embodiment of a screen glass substrate interleaving paper unpacking machine of the present invention; Figure 8 This is a substrate gas path structure diagram of a preferred embodiment of a screen glass substrate paper unpacking machine of the present invention. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] like Figure 1-8 As shown, the embodiment of the present invention includes: A screen glass substrate inter-paper unpacking machine includes a roller conveyor 1, a frame 2, a servo screw synchronous lifting platform 3, a lifting roller group 4, a double-motor linear motor 5, a paper inter-paper suction cup group 6, and a screen glass substrate suction cup group 7. The frame 2 is arranged along the roller conveyor 1, and a servo screw synchronous lifting platform 3 is arranged at the bottom of the frame 2 corresponding to the lower side of the roller conveyor 1. The servo screw synchronous lifting platform 3 is equipped with a lifting roller group 4 horizontally inserted into the roller conveyor 1, and a double-motor linear motor 5 is arranged at the top of the frame 2. The double-motor linear motor 5 is equipped with a first Z-axis servo module 8 and a second Z-axis servo module 9 that alternately dock with the lifting roller group 4. The first Z-axis servo module 8 is equipped with a paper inter-paper suction cup group 6, and the second Z-axis servo module 9 is equipped with a screen glass substrate suction cup group 7.

[0018] Among them, the roller conveyor 1 is provided with a blocking cylinder 10 at the downstream port of the lifting roller group 4, and the lifting roller group 4 is floated and lifted based on the roller surface of the roller conveyor 1 through the servo screw synchronous lifting platform 3. The frame 2 is provided with a side baffle 11 on the periphery when the lifting roller group 4 is in the top state of the stroke, and the side baffle 11 is installed with a roller group 12 facing the lifting roller group 4.

[0019] Furthermore, the frame 2 is provided with two pairs of X-axis servo screw translation slides 13, which are respectively arranged on the outside of the two end ports of the lifting roller group 4. A Y-axis crossbeam 14 is mounted on each pair of X-axis servo screw translation slides 13, and a pair of Y-axis servo screw translation slides 15 are provided at both ends of each Y-axis crossbeam 14. The side baffles 11 are L-shaped and mounted on each of the Y-axis servo screw translation slides 15. All side baffles 11 are arranged at the corners of the lifting roller group 4 in a rectangular enclosing structure.

[0020] Furthermore, the interleaving paper suction cup group 6 includes an angled suction cup group 16, an X-axis suction cup group 17, and a Y-axis suction cup group 18. The first Z-axis servo module 8 is horizontally installed with X-axis profiles, Y-axis profiles, and diagonal bracing profiles that are staggered and spliced into a planar frame structure 19. The X-axis suction cup group 17 is mounted on the X-axis profile, and the Y-axis suction cup group 18 is mounted on the Y-axis profile.

[0021] Furthermore, the angled suction cup group 16 is independently connected to the first negative pressure air circuit 20, the X-axis suction cup group 17 is independently connected to the second negative pressure air circuit 21, and the Y-axis suction cup group 18 is independently connected to the third negative pressure air circuit 22. The X-axis suction cup group 17 and the Y-axis suction cup group 18 are centered in the center of the planar frame structure 19 in a cross structure, and the angled suction cup group 16 is symmetrically distributed on both sides of the cross structure.

[0022] Furthermore, the planar frame structure 19 is a rectangular frame, and the interior of the rectangular frame is spliced with symmetrically distributed long side profiles, short side profiles and bevel profiles. The bevel profile is provided with a linear rail 23, and the linear rail 23 is provided with a slider 25 with an integrated pulley 24. Synchronous connecting rods 26 parallel to the long side profile are erected between each of the sliders 25. Straight waist holes 27 are symmetrically opened at both ends of the synchronous connecting rod 26. The straight waist holes 27 are slidably matched with the pulley 24 in a one-to-one correspondence. The angled suction cup group 16 is hoisted at both ends of each synchronous connecting rod 26 via a Z-axis telescopic cylinder 28. The Z-axis telescopic cylinder 28 is used to shake the spacer paper and release the negative pressure suction between the spacer paper and the screen glass substrate.

[0023] Furthermore, a first synchronous belt linear module 29 vertically spanning the synchronous links 26 is horizontally arranged on the planar frame structure 19 , and each synchronous link 26 is symmetrically mounted on one half and the other half of the first synchronous belt linear module 29 .

[0024] Furthermore, the second Z-axis servo module 9 is horizontally suspended with an upper profile frame 30, and a pair of X-axis guide rails 31 are provided on the upper profile frame 30. A pair of Y-axis sub-beams 32 are mounted on the X-axis guide rails 31, and each Y-axis sub-beam 32 is respectively suspended with a Y-axis main beam 33, and Y-axis variable pitch slides 34 are provided at both ends of the Y-axis main beam 33. An X-axis main beam 35 is mounted between the Y-axis variable pitch slides 34, and each X-axis main beam 35 is horizontally and vertically centered with a center profile 36, and each X-axis main beam 35 is provided with an X-axis variable pitch slide 37, and corner carriers 38 are respectively suspended at both ends of the X-axis variable pitch slide 37.

[0025] Furthermore, the screen glass substrate suction cup group 7 includes a corner suction cup group 39, a horizontal suction cup group 40, and a center matrix suction cup group 42. The corner suction cup group 39 is integrated on each of the corner carriers 38; the horizontal suction cup group 40 is integrated on the center profile 36; the center matrix suction cup group 42 is composed of a number of vacuum suction cups stacked and distributed in a U-shaped structure, and the vacuum suction cups are integrated on the upper profile frame 30 or the Y-axis main beam 33; the corner suction cup group 39 is independently connected to the fourth negative pressure air circuit, the horizontal suction cup group 40 is independently connected to the fifth negative pressure air circuit, and the center matrix suction cup group 42 is independently connected to the sixth negative pressure air circuit.

[0026] Furthermore, the upper profile frame 30 is horizontally provided with a second synchronous belt linear module 43 along the X-axis, and the Y-axis sub-beam 32 is symmetrically mounted on the upper and lower halves of the second synchronous belt linear module 43; the upper profile frame 30 is horizontally provided with a third synchronous belt linear module 44 along the Y-axis, and each central profile 36 is symmetrically mounted on the upper and lower halves of the third synchronous belt linear module 44.

[0027] Frame 2 is positioned on the production line where roller conveyor 1 is located. Roller conveyor 1 carries a batch of foam boxes containing several screen glass substrates, each separated by paper. The unpacking process performed by this equipment primarily separates the paper from the screen glass substrates and transports them to different downstream production lines. The paper from the foam boxes is removed and aligned and stacked together. The screen glass substrates are then fed individually to the UPE anti-static roller line for further processing.

[0028] Since the unpacking process involves material picking actions in two directions, a dual-acting linear motor 5 is set on the frame 2 to alternately perform the actions of picking up and placing the paper and picking up and placing the substrate. The two sets of actions take a long time, but parallel unpacking processing can be achieved by adding multiple sets of this equipment. However, affected by the single roller conveyor 1, the subsequent foam boxes can only wait in line and wait for multiple substrates to be unpacked before they can go down. In order to solve the problem of running multiple devices in parallel, this device adds a lifting roller group 4 to the roller conveyor 1, and uses a servo screw synchronous lifting platform 3 to lift the foam box offline, so that a conveying channel can be vacated for the roller conveyor 1, and the subsequent foam boxes can continue to flow downstream to the second, third... devices for synchronous unpacking.

[0029] Interleaving paper is a light, soft film that requires the combined handling of several vacuum suction cups. The corners, in particular, require precise suction to ensure accurate alignment and stacking. To address the precise positioning of interleaving paper, this device uses side fences 11 to surround the lifting roller assembly 4 to align and guide the four corners of the interleaving paper. This process is achieved by the coordinated operation of the X-axis servo lead screw translation slide 13 and the Y-axis servo lead screw translation slide 15. The paper is precisely positioned and stacked within the confines of the side fences 11, and then transported to the trolley by the interleaving suction cup assembly 6. The same principle applies to screen glass substrates.

[0030] Since screen glass substrates vary in size from 55 to 100 inches, using a dot matrix array to arrange the suction cups can lead to issues with the four corners of the interleaving paper not being attracted. Consequently, the interleaving paper often experiences corner folding during stacking. To address this issue, this device uses diagonally arranged linear rails 23 and synchronous links 26 to control the position of the suction cups corresponding to the four corners of the interleaving paper. Simply by having the first synchronous belt linear module 29 drive the synchronous links 26 symmetrically toward or away from each other, the linear waist holes 27, via pulleys 24, pull the suction cups under the Z-axis telescopic cylinder 28 diagonally along the linear rails 23. Since the size of the screen glass substrate represents the length of the diagonal, precise positioning of the suction cups at the corners only requires precise control of the position of the slider 25 on the linear rail 23. The slider's displacement is controlled by the first synchronous belt linear module 29. This allows for compatibility and adaptability with substrates of varying sizes, effectively preventing corner folding and bending of the interleaving paper.

[0031] On the other hand, in actual production, it is found that some negative pressure suction cups may experience suction failure caused by accidental vacuum breaking. For example, when the suction cup encounters foreign objects, the entire air path will be blocked, which will cause the suction of the entire set of vacuum suction cups to fail, and the spacer paper will fall or cannot be sucked up. In order to solve this problem, this equipment provides a first negative pressure air path 20 to independently provide a negative pressure air path for the negative pressure suction cups at the corners of the spacer paper, and to independently provide an air path for the suction cups at the center positions of the X-axis and Y-axis. The negative pressure suction cups at different positions are symmetrical and redundant with each other. If any air path fails, it will not cause the entire spacer paper to fall. The same applies to the substrate alarm.

[0032] To further address the alarm issue caused by partial drop of the interleaving paper after local negative pressure failure, the vacuum cups of this equipment all use elastically retractable hardware. A photoelectric switch and sensor are installed on the top of the hardware. When the air circuit fails, the hardware's expansion and contraction become abnormal, triggering an alarm. The same applies to the substrate alarm.

[0033] Although the substrate material is harder than the spacer paper and less prone to corners falling or buckling, the toughness of the substrate material can cause elastic jitter during handling, requiring a negative pressure suction cup to secure the substrate corners. Otherwise, the corners can wobble and foreign matter can trigger a chain reaction of partial vacuum break, causing the substrate to fall. To address this issue, a second synchronous belt linear module 43 is used to adjust the spacing of the Y-axis main beam 33, while a third synchronous belt linear module 44 is used to adjust the spacing of the X-axis main beam 35. This allows for precise corner positioning of substrates of varying sizes and aspect ratios (e.g., 16:10, 16:9, 4:3).

[0034] In summary, the present invention provides a screen glass substrate inter-paper unpacking machine, which realizes parallel unpacking of multiple devices through the lifting roller group 4, thereby effectively improving the production line efficiency, and according to the different material properties and dimensional characteristics of the inter-paper and the substrate, targeted proposals are made for the proportional positioning and scaling of the corner positions of the diagonal negative pressure suction cup and the independent positioning scheme of the X-axis main beam and the Y-axis main beam, thereby fully ensuring the stable and efficient operation of the unpacking process.

[0035] The above descriptions are merely 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 present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A screen glass substrate paper unpacking machine, characterized in that: It includes a roller conveyor, a frame, a servo screw synchronous lifting platform, a lifting roller group, a double-acting linear motor, a paper spacing suction cup group, and a screen glass substrate suction cup group. The frame is arranged along the roller conveyor, and a servo screw synchronous lifting platform is arranged on the bottom of the frame corresponding to the lower side of the roller conveyor. The servo screw synchronous lifting platform is equipped with a lifting roller group horizontally inserted in the roller conveyor, and a double-acting linear motor is arranged on the top of the frame. The double-acting linear motor is equipped with a first Z-axis servo module and a second Z-axis servo module that alternately dock with the lifting roller group. The first Z-axis servo module is equipped with a paper spacing suction cup group, and the second Z-axis servo module is equipped with a screen glass substrate suction cup group.

2. The screen glass substrate paper unpacking machine according to claim 1, characterized in that: The roller conveyor is provided with a blocking cylinder at the downstream port of the lifting roller group. The lifting roller group is floated and lifted based on the roller surface of the roller conveyor through a servo screw synchronous lifting platform. The frame is provided with a side baffle on the periphery when the lifting roller group is at the top end of the stroke. The side baffle is installed with a roller group facing the lifting roller group.

3. The screen glass substrate paper unpacking machine according to claim 2, characterized in that: The frame is provided with two pairs of X-axis servo screw translation slides, which are respectively arranged on the outside of the two end ports of the lifting roller group. A Y-axis crossbeam is mounted on each pair of X-axis servo screw translation slides, and a pair of Y-axis servo screw translation slides are provided at both ends of each Y-axis crossbeam. The side baffles are L-shaped and mounted on each of the Y-axis servo screw translation slides. All side baffles are arranged at the corners of the lifting roller group in a rectangular enclosing structure.

4. The screen glass substrate paper unpacking machine according to claim 1, characterized in that: The interleaving paper suction cup group includes an angled suction cup group, an X-axis suction cup group, and a Y-axis suction cup group. The first Z-axis servo module is horizontally installed with X-axis profiles, Y-axis profiles, and diagonal bracing profiles that are staggered and spliced into a planar frame structure. The X-axis suction cup group is mounted on the X-axis profile, and the Y-axis suction cup group is mounted on the Y-axis profile.

5. The screen glass substrate paper unpacking machine according to claim 4, characterized in that: The angled suction cup group is independently connected to a first negative pressure air circuit, the X-axis suction cup group is independently connected to a second negative pressure air circuit, and the Y-axis suction cup group is independently connected to a third negative pressure air circuit. The X-axis suction cup group and the Y-axis suction cup group are centered in the center of the planar frame structure in a cross structure, and the angled suction cup groups are symmetrically distributed on both sides of the cross structure.

6. The screen glass substrate paper unpacking machine according to claim 4, characterized in that: The planar frame structure is a rectangular frame, and the interior of the rectangular frame is spliced with symmetrically distributed long side profiles, short side profiles and bevel profiles. The bevel profiles are provided with linear rails, and the linear rails are provided with sliders with integrated pulleys. Synchronous connecting rods parallel to the long side profiles are erected between each of the sliders. Straight waist holes are symmetrically opened at both ends of the synchronous connecting rods, and the straight waist holes are slidably matched with the pulleys in a one-to-one correspondence. The bevel suction cup group is hoisted at both ends of each synchronous connecting rod via a Z-axis telescopic cylinder. The Z-axis telescopic cylinder is used to shake the spacer paper and release the negative pressure suction between the spacer paper and the screen glass substrate.

7. The screen glass substrate paper unpacking machine according to claim 4, characterized in that: A first synchronous belt linear module vertically spanning the synchronous connecting rods is horizontally arranged on the planar frame structure, and each synchronous connecting rod is symmetrically mounted on one half and the other half of the first synchronous belt linear module.

8. The screen glass substrate paper unpacking machine according to claim 1, characterized in that: The second Z-axis servo module is horizontally mounted with an upper profile frame, a pair of X-axis guide rails are provided on the upper profile frame, a pair of Y-axis sub-beams are mounted on the X-axis guide rails, each Y-axis sub-beam is respectively mounted with a Y-axis main beam, two ends of the Y-axis main beam are provided with Y-axis variable pitch slide rails, an X-axis main beam is mounted between the Y-axis variable pitch slide rails, each X-axis main beam is horizontally and vertically centered with a center profile, each X-axis main beam is provided with an X-axis variable pitch slide rail, and two ends of the X-axis variable pitch slide rail are respectively mounted with a corner carrier plate.

9. The screen glass substrate paper unpacking machine according to claim 8, characterized in that: The screen glass substrate suction cup group includes a corner suction cup group, a horizontal suction cup group, and a center matrix suction cup group. The corner suction cup group is integrated on each of the corner carriers; the horizontal suction cup group is integrated on the center profile; the center matrix suction cup group is composed of a number of vacuum suction cups stacked and distributed in a U-shaped structure, and the vacuum suction cups are integrated on the upper profile frame or the Y-axis main beam; the corner suction cup group is independently connected to the fourth negative pressure air circuit, the horizontal suction cup group is independently connected to the fifth negative pressure air circuit, and the center matrix suction cup group is independently connected to the sixth negative pressure air circuit.

10. The screen glass substrate paper unpacking machine according to claim 8, characterized in that: The upper profile frame is horizontally provided with a second synchronous belt linear module along the X-axis, and the Y-axis sub-beam is symmetrically mounted on the upper and lower halves of the second synchronous belt linear module; the upper profile frame is horizontally provided with a third synchronous belt linear module along the Y-axis, and each middle profile is symmetrically mounted on the upper and lower halves of the third synchronous belt linear module.

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