Printing ink spraying assistor for curved surface cover plate

Abstract

The utility model relates to the technical field of curved surface cover plate spraying, in particular to a curved surface cover plate printing ink spraying assisting device. Ink spraying can be carried out on the peripheral edges of the curved-surface cover plate, the visual area range in the middle of the cover plate is prevented from being polluted, and the ink spraying efficiency and effect of the cover plate are improved. Comprising a curved surface cover plate mold used for placing a curved surface cover plate; a heating assembly is mounted in the curved surface cover plate mold; the hot-melt adhesive tape pasting mechanism is used for pasting the hot-melt adhesive tape to the middle visual area range of the curved-surface cover plate; the adhesive tape tearing mechanism is used for tearing the hot melt adhesive tape at the curved surface cover plate after the printing ink is sprayed; the curved surface cover plate mold is mounted on the driving sliding table; the driving sliding table is used for driving the curved surface cover plate mold to reciprocate below the hot melting adhesive tape pasting mechanism and the adhesive tape tearing mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of curved cover plate spraying, in particular to an auxiliary device for curved cover plate ink spraying. Background Art

[0002] With the development of touch technology, touch screen products are applied to various fields. Curved touch screen products can bring people better visual and tactile experience, which is a major trend of future development. Different from flat touch screens, curved touch screens have higher requirements for manufacturing process and are more technically difficult, especially the surface decoration of curved cover plates. Solving the problem of cover plate surface decoration is an important step in the development of curved touch screens.

[0003] For example, a Chinese invention patent discloses a curved surface spraying equipment and a curved surface spraying method (publication (announcement) number CN110510888A), wherein the curved surface spraying equipment includes: a conveying device, which is used to carry the curved panel to be sprayed during the spraying process; a detection device, which is used to detect the change in the curved surface height of the curved panel in the direction of travel; a spraying device, which includes a frame, a lifting mechanism installed on the frame, and a spray head driven to rise and fall by the lifting mechanism; a control device, which controls the lifting and falling of the spray head during spraying according to the curved surface height change information detected by the detection device. It can keep the spray head at a suitable distance from the spraying position of the curved panel during the spraying process, thereby obtaining a satisfactory spraying effect.

[0004] However, when the inventors implemented this device, they found the following defects: although the above-mentioned equipment can spray ink on the entire curved cover plate, the cover plate of the curved screen needs to be sprayed with ink around the viewing area. The process is cumbersome and the ink spraying efficiency of the curved cover plate is low. Utility Model Content

[0005] Based on this, it is necessary to provide a curved cover plate ink spraying assistant to address the above technical problems, which can realize ink spraying on the edges of the curved cover plate, avoid contamination of the viewing area in the middle of the cover plate, and improve the efficiency and effect of ink spraying on the cover plate.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A curved cover plate ink spraying assistant is used for ink spraying around the cover plate.

[0008] The curved cover plate ink spraying auxiliary device specifically comprises:

[0009] A curved cover plate mold, the curved cover plate mold is used for placing the curved cover plate; a heating component is installed in the curved cover plate mold;

[0010] A hot-melt adhesive tape pasting mechanism, which is used to paste the hot-melt adhesive tape to the middle viewing area of ​​the curved cover plate;

[0011] The adhesive tape tearing mechanism is used to tear off the hot melt adhesive tape on the curved cover plate after the ink spraying is completed;

[0012] A driving slide, on which the curved cover plate mold is mounted; the driving slide is used to drive the curved cover plate mold to reciprocate from under the hot melt tape pasting mechanism and the tape tearing mechanism; further, the driving slide is preferably a mechanical slide, the hot melt tape pasting mechanism can adopt a commonly used carton sealing tape machine on the market or other equivalent parts with a tape pasting effect, and the tape tearing mechanism can adopt a commonly used manipulator on the market or other equivalent parts with a tape tearing effect; the heating component is preferably an electric heating tube, and an electric heating wire, an electric heating net, etc. can also be used to heat the curved cover plate mold; the hot melt tape is preferably a hot melt tape with an adhesion of 400gf / 25mm before heating and an adhesion of <50gf / 25mm after being heated to 170 degrees for 2 minutes.

[0013] As a preferred embodiment of the curved cover plate ink spraying auxiliary device provided by the utility model, the hot melt tape pasting mechanism includes leg frames symmetrically arranged on both sides of the driving slide, a gantry frame slidably installed on the two leg frames, a first tension spring and a hot melt tape pasting assembly, the gantry frame is elastically connected to the leg frames through the first tension spring, and the hot melt tape pasting assembly includes a slide slidably installed on the gantry frame, two first driving cylinders that provide power for the slide to move up and down, a tape roller rotatably installed on the slide, a first arm frame hingedly installed on the slide, a second arm frame hingedly installed on the slide, a first roller rotatably installed on the first arm frame, a second roller rotatably installed on the second arm frame and a second tension spring, the first arm frame and the second arm frame are elastically connected by the second tension spring; further, the hot melt tape on the tape roller bypasses the end of the slide and bypasses from the bottom of the first roller and the second roller; the first arm frame and the second arm frame are arranged in a triangle.

[0014] As a preferred embodiment of the curved cover plate ink spraying auxiliary device provided by the utility model, the tape tearing mechanism includes a driving wheel rotatably mounted on a slide, a feed seat slidably mounted on the slide up and down, two rotating wheels rotatably mounted on the feed seat, an adjustment frame hingedly mounted on the slide, an adjusting wheel rotatably mounted on the adjusting frame, a torsion spring and an adhesive tape, the adjusting frame is elastically connected to the slide through a torsion spring, a second driving cylinder for driving the feed seat to feed is installed on the slide, the adhesive tape is sleeved on the driving wheel, the adjusting wheel and the two rotating wheels, and a first motor is installed on the slide to provide power for the rotation of the driving wheel.

[0015] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, a cutting knife is installed on the slide, and the cutting knife is located above the first roller and the second roller, and the bottom of the first roller is 2-5 cm lower than the bottom of the second roller.

[0016] As a preferred embodiment of the curved cover plate ink spraying auxiliary device provided by the utility model, it also includes a belt conveyor mechanism installed on a slide, and the belt conveyor mechanism includes two driving rollers rotatably installed on the slide, a conveyor belt sleeved on the two driving rollers, and a second motor providing power for the rotation of one group of driving rollers; further, when the hot melt tape is bonded to the curved cover plate, the bottom of the first roller and the bottom of the conveyor belt are located on the same horizontal plane.

[0017] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, two guide wheels are rotatably mounted on the slide; further, the hot melt tape on the tape roller passes around the two guide wheels and then passes around the conveyor belt near the end of the slide.

[0018] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, an open collecting box is installed on the slide, a scraper is installed on the open collecting box, the scraper is in close contact with the adhesive tape, the scraper is arranged at an angle, and the bottom of the scraper extends into the open collecting box; further, the adhesion between the adhesive tape and the hot melt tape is greater than 50gf / 25mm.

[0019] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, a avoidance opening is provided on the curved cover plate mold.

[0020] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, the open header can be detachably mounted on the slide; further, the open header can be detachably mounted on the slide by bolts.

[0021] As a preferred embodiment of the curved cover plate ink spraying assistant provided by the utility model, a mounting groove is provided on the open header, and the scraper is detachably mounted in the mounting groove; further, the scraper is interference-mounted in the mounting groove.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] The utility model provides a curved cover plate ink spraying assistant, which places the curved cover plate into a curved cover plate mold, sticks hot melt tape on the visible area of ​​the curved cover plate through a hot melt tape sticking mechanism, then drives the slide to drive the curved cover plate to move to the external ink spraying mechanism, and sprays ink on the curved cover plate comprehensively through the ink spraying mechanism, then drives the slide to drive the curved cover plate mold to move, and at the same time, the heating component heats the curved cover plate in the curved cover plate mold, the adhesion of the hot melt tape decreases during the heating process, and the tape tearing mechanism tears off the hot melt tape on the curved glass, so that the curved cover plate is sprayed with ink all around, while the visible area of ​​the curved cover plate is kept clean, thereby avoiding contamination of the viewing area in the middle of the cover plate, and improving the efficiency and effect of ink spraying on the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0026] Figure 2 A schematic diagram of the top plan structure provided by the utility model;

[0027] Figure 3 for Figure 2 Schematic diagram of the cross section at AA;

[0028] Figure 4 A front view planar structural schematic diagram provided by the utility model;

[0029] Figure 5 for Figure 4 Schematic diagram of the cross section at BB;

[0030] Figure 6 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0031] Figure 7 This is a schematic diagram of the curved cover structure after ink spraying.

[0032] The markings in the figure are as follows: 1. Curved cover plate mold; 2. Heating component; 3. Driving slide; 4. Leg frame; 5. Gantry; 6. First tension spring; 7. Slide; 8. First driving cylinder; 9. Tape roller; 10. First arm frame; 11. Second arm frame; 12. First roller; 13. Second roller; 14. Second tension spring; 15. Driving wheel; 16. Feed seat; 17. Rotating wheel; 18. Adjusting frame; 19. Adjusting wheel; 20. Torsion spring; 21. Adhesive tape; 22. Second driving cylinder; 23. First motor; 24. Cutting knife; 25. Driving roller; 26. Conveyor belt; 27. Second motor; 28. Guide wheel; 29. ​​Opening header; 30. Scraper; 31. Avoidance; 32. Mounting groove. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0034] As described in the background technology, a curved surface spraying device and a curved surface spraying method; although the above-mentioned device can spray ink on the entire curved cover plate, the cover plate of the curved screen needs to be sprayed with ink around the viewing area. The process is cumbersome and the ink spraying efficiency of the curved cover plate is low.

[0035] In order to solve this technical problem, the utility model provides a curved cover plate ink spraying assistant, which is used for ink spraying around the cover plate.

[0036] Specifically, please refer to Figure 1-3 The curved cover plate ink spraying auxiliary device specifically includes:

[0037] The curved cover plate mold 1 is used for placing the curved cover plate; a heating component 2 is installed in the curved cover plate mold 1;

[0038] A hot-melt adhesive tape pasting mechanism, which is used for pasting the hot-melt adhesive tape to the middle viewing area of ​​the curved cover plate;

[0039] The tape tearing mechanism is used to tear off the hot melt tape on the curved cover plate after the ink spraying is completed;

[0040] The driving slide 3 and the curved cover plate mold 1 are installed on the driving slide 3; the driving slide 3 is used to drive the curved cover plate mold 1 to reciprocate from under the hot melt tape pasting mechanism and the tape tearing mechanism; further, the driving slide 3 is preferably a mechanical slide, the hot melt tape pasting mechanism can adopt the commonly used carton sealing tape machine on the market or other equivalent parts with tape pasting effect, and the tape tearing mechanism can adopt the common manipulator on the market or other equivalent parts with tape tearing effect; the heating component 2 is preferably an electric heating tube, and the curved cover plate mold 1 can also be heated by electric heating wire, electric heating net, etc.; the hot melt tape preferably has an adhesion of 400gf / 25mm before heating and an adhesion of <50gf / 25mm after being heated to 170 degrees for 2 minutes.

[0041] The utility model provides a curved cover plate ink spraying assistant, which sticks hot-melt tape on the visible area of ​​the curved cover plate through a hot-melt tape sticking mechanism, then drives the slide 3 to drive the curved cover plate to move to the external ink spraying mechanism, and sprays ink on the curved cover plate comprehensively through the ink spraying mechanism, then drives the slide 3 to drive the curved cover plate mold 1 to move, and at the same time the heating component 2 heats the curved cover plate in the curved cover plate mold 1, the adhesion of the hot-melt tape decreases during the heating process, and the tape tearing mechanism tears off the hot-melt tape on the curved glass, so that the curved cover plate is sprayed with ink all around, while the visible area of ​​the curved cover plate is kept clean, to avoid contamination of the viewing area in the middle of the cover plate, thereby improving the efficiency and effect of ink spraying on the cover plate.

[0042] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0043] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] Example 1

[0046] Please refer to Figure 1-6, a curved cover plate ink spraying auxiliary device, which includes a curved cover plate mold 1, the curved cover plate mold 1 is used for placing the curved cover plate; a heating component 2 is installed in the curved cover plate mold 1; a hot melt tape pasting mechanism, the hot melt tape pasting mechanism is used to paste the hot melt tape to the middle viewing area of ​​the curved cover plate; a tape tearing mechanism, the tape tearing mechanism is used to tear off the hot melt tape at the curved cover plate after the ink spraying is completed; a driving slide 3, the curved cover plate mold 1 is installed on the driving slide 3; the driving slide 3 is used to drive the curved cover plate mold 1 to reciprocate from under the hot melt tape pasting mechanism and the tape tearing mechanism; the hot melt tape pasting mechanism includes leg frames 4 symmetrically arranged on both sides of the driving slide 3, a gantry 5 installed on the two leg frames 4 for sliding up and down, a first tension spring 6 and a hot melt tape pasting component The gantry 5 is elastically connected to the leg frame 4 through the first tension spring 6, and the hot melt tape pasting assembly includes a slide 7 slidably installed on the gantry 5, two first driving cylinders 8 that provide power for the up and down movement of the slide 7, a tape roller 9 rotatably installed on the slide 7, a first arm 10 hingedly installed on the slide 7, a second arm 11 hingedly installed on the slide 7, a first roller 12 rotatably installed on the first arm 10, a second roller 13 rotatably installed on the second arm 11, and a second tension spring 14, the first arm 10 and the second arm 11 are elastically connected through the second tension spring 14; further, the hot melt tape on the tape roller 9 bypasses the end of the slide 7 and bypasses from the bottom of the first roller 12 and the second roller 13; the first arm 10 and the second arm 11 are arranged in a triangle.

[0047] The curved cover plate ink spraying assistant provided in the present embodiment drives the slide 3 to move the curved cover plate mold 1 when hot-melt tape is pasted on the visible area of ​​the curved cover plate. At the same time, the output end of the first driving cylinder 8 is extended, the slide 7 moves downward, and the hot-melt tape on the tape roller 9 passes around the end of the slide 7 and passes around the bottom of the first roller 12 and the second roller 13. Under the tension of the first tension spring 6, the gantry 5 can move in a downward trend, so that the first roller 12 makes the hot-melt tape elastically contact with the curved cover plate in the curved cover plate mold 1, and the gantry 5 moves up and down following the bending curve of the curved cover plate mold 1, so that the hot-melt tape is smoothly attached to the curved cover plate, thereby realizing the attachment of the hot-melt tape to the curved cover plate.

[0048] Example 2

[0049] The curved cover plate ink spraying assistant provided in Example 1 is further optimized, specifically, Figure 3-4As shown, the tape tearing mechanism includes a driving wheel 15 rotatably mounted on the slide 7, a feed seat 16 slidably mounted on the slide 7 up and down, two rotating wheels 17 rotatably mounted on the feed seat 16, an adjusting frame 18 hingedly mounted on the slide 7, an adjusting wheel 19 rotatably mounted on the adjusting frame 18, a torsion spring 20 and an adhesive tape 21. The adjusting frame 18 is elastically connected to the slide 7 through the torsion spring 20. A second driving cylinder 22 for driving the feed seat 16 to feed is installed on the slide 7. The adhesive tape 21 is sleeved on the driving wheel 15, the adjusting wheel 19 and the two rotating wheels 17. A first motor 23 for providing power for the rotation of the driving wheel 15 is installed on the slide 7.

[0050] The curved cover plate ink spraying assistant provided in the present embodiment, when the curved cover plate is sprayed with ink, the driving slide 3 drives the curved cover plate mold 1 to move in the opposite direction, at this time, the output end of the second driving cylinder 22 is extended, and the feed seat 16 is fed downward until the adhesive tape 21 contacts the hot melt tape, and the adhesion of the hot melt tape heated by the heating component 2 is reduced, and the adhesion between the adhesive tape 21 and the hot melt tape is greater than the adhesion between the hot melt tape and the curved cover plate, and the first motor 23 drives the driving wheel 15 to rotate, thereby tearing off the hot melt tape adhered to the curved cover plate, and replacing the complex manipulator with a simple mechanical device, while improving the tearing efficiency of the hot melt tape at the curved cover plate, effectively reducing the equipment cost investment.

[0051] Example 3

[0052] The curved cover plate ink spraying assistant provided in Example 2 is further optimized, such as Figure 1-3 As shown, a cutting knife 24 is installed on the slide 7, and the cutting knife 24 is located above the first roller 12 and the second roller 13, and the bottom of the first roller 12 is 2-5 cm lower than the bottom of the second roller 13;

[0053] The curved cover plate ink spraying assistant provided in the present embodiment, after the hot melt tape is bonded at the curved cover plate, the first driving cylinder 8 drives the slide 7 to feed downward, the first roller 12 and the second roller 13 move away from each other, and the cutting knife 24 contacts the hot melt tape between the first roller 12 and the second roller 13 and cuts the hot melt tape, without the need for operator assistance, thereby further improving the operating convenience of the device.

[0054] Specifically, it also includes a belt conveyor mechanism installed on the slide 7, and the belt conveyor mechanism includes two driving rollers 25 rotatably installed on the slide 7, a conveyor belt 26 sleeved on the two driving rollers 25, and a second motor 27 that provides power for the rotation of one group of driving rollers 25; further, when the hot-melt adhesive tape is bonded to the curved cover plate, the bottom of the first roller 12 and the bottom of the conveyor belt 26 are located on the same horizontal plane; through the belt conveyor mechanism, the hot-melt adhesive tape can be pulled away from the tape roller 9, thereby improving the feeding smoothness of the hot-melt adhesive tape, ensuring that the hot-melt adhesive tape is smoothly supplied to the curved cover plate, so as to ensure that the hot-melt adhesive tape and the curved cover plate are smoothly bonded.

[0055] Specifically, two guide wheels 28 are rotatably installed on the slide 7; further, the hot-melt adhesive tape on the tape roller 9 passes around the two guide wheels 28 and then around the conveyor belt 26 near the end of the slide 7; through the guide wheels 28, the hot-melt adhesive tape can be stretched in a bent state, thereby increasing the resistance of the hot-melt adhesive tape during the stretching process, so that the hot-melt adhesive tape is in a taut state, avoiding the hot-melt adhesive tape from becoming loose, thereby ensuring that the hot-melt adhesive tape is flatly attached to the curved cover plate.

[0056] Specifically, an open collecting box 29 is installed on the slide 7, and a scraper 30 is installed on the open collecting box 29. The scraper 30 is in close contact with the adhesive tape 21, and the scraper 30 is arranged at an angle, and the bottom of the scraper 30 extends into the open collecting box 29; further, the adhesion between the adhesive tape 21 and the hot melt tape is greater than 50gf / 25mm; during the rotation of the adhesive tape 21, the scraper 30 scrapes off the hot melt tape adhered to the adhesive tape 21, and the scraped hot melt tape falls into the open collecting box 29, and the waste hot melt tape is collected through the open collecting box 29 to prevent the hot melt tape from scattering everywhere.

[0057] Specifically, the curved cover plate mold 1 is provided with an avoidance opening 31 ; the avoidance opening 31 can prevent the curved cover plate mold 1 from interfering with the movement of the first roller 12 or the second roller 13 .

[0058] Specifically, the open header 29 can be detachably mounted on the slide 7; further, the open header 29 can be detachably mounted on the slide 7 by bolts; the waste hot melt tape collected in the open header 29 can be centrally processed by removing the open header 29.

[0059] Specifically, a mounting groove 32 is provided on the open collecting box 29, and the scraper 30 can be detachably installed in the mounting groove 32; further, the scraper 30 is installed in the mounting groove 32 with interference fit; when the scraper 30 is worn, the scraper 30 can be easily removed and a new scraper 30 can be easily installed in the mounting groove 32.

[0060] The use process of the curved cover plate ink spraying auxiliary device provided by the utility model is as follows: the curved cover plate is placed into the curved cover plate mold 1, and when the hot melt tape is pasted on the visible area of ​​the curved cover plate, the driving slide 3 drives the curved cover plate mold 1 to move, and at the same time, the output end of the first driving cylinder 8 is extended, the slide 7 moves down, and the hot melt tape on the tape roller 9 bypasses the end of the slide 7 and bypasses from the bottom of the first roller 12 and the second roller 13. Under the tension of the first tension spring 6, the gantry 5 can move in a downward trend, so that the first roller 12 makes the hot melt tape elastically contact with the curved cover plate in the curved cover plate mold 1, and the gantry 5 moves up and down following the curved curve of the curved cover plate mold 1, so that the hot melt tape The tape is smoothly attached to the curved cover plate, and ink is sprayed on the curved cover plate through an external ink spraying device. When the curved cover plate is sprayed with ink, the driving slide 3 drives the curved cover plate mold 1 to move in the opposite direction. At this time, the output end of the second driving cylinder 22 is extended, and the feed seat 16 feeds downward until the adhesive tape 21 contacts the hot melt tape. The adhesion of the hot melt tape heated by the heating component 2 is reduced, and the adhesion between the adhesive tape 21 and the hot melt tape is greater than the adhesion between the hot melt tape and the curved cover plate. The first motor 23 drives the driving wheel 15 to rotate, thereby tearing off the hot melt tape adhered to the curved cover plate, and the waste hot melt tape at the adhesive tape 21 is scraped off by the scraper 30 and collected through the open collection box 29.

[0061] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A curved cover plate ink spraying auxiliary device, characterized in that: It includes A curved cover plate mould (1), the curved cover plate mould (1) being used for placing the curved cover plate; a heating component (2) is installed in the curved cover plate mould (1); A hot-melt adhesive tape pasting mechanism, which is used to paste the hot-melt adhesive tape to the middle viewing area of ​​the curved cover plate; The adhesive tape tearing mechanism is used to tear off the hot melt adhesive tape on the curved cover plate after the ink spraying is completed; A driving slide (3), the curved cover plate mould (1) being mounted on the driving slide (3); the driving slide (3) being used to drive the curved cover plate mould (1) to move back and forth from below the hot melt adhesive tape pasting mechanism and the adhesive tape tearing mechanism.

2. The curved cover plate ink spraying auxiliary device according to claim 1, characterized in that: The hot melt adhesive tape pasting mechanism comprises leg frames (4) symmetrically arranged on both sides of the driving slide (3), a gantry (5) slidably mounted on the two leg frames (4), a first tension spring (6) and a hot melt adhesive tape pasting component, wherein the gantry (5) is elastically connected to the leg frames (4) via the first tension spring (6), and the hot melt adhesive tape pasting component comprises a slide frame (7) slidably mounted on the gantry (5), two first driving cylinders (8) providing power for the slide frame (7) to move up and down, a tape roller (9) rotatably mounted on the slide frame (7), a first arm frame (10) hingedly mounted on the slide frame (7), a second arm frame (11) hingedly mounted on the slide frame (7), a first roller (12) rotatably mounted on the first arm frame (10), a second roller (13) rotatably mounted on the second arm frame (11) and a second tension spring (14), wherein the first arm frame (10) and the second arm frame (11) are elastically connected via the second tension spring (14).

3. The curved cover plate ink spraying auxiliary device according to claim 2, characterized in that: The adhesive tape tearing mechanism comprises a driving wheel (15) rotatably mounted on a slide (7), a feed seat (16) slidably mounted on the slide (7) up and down, two rotating wheels (17) rotatably mounted on the feed seat (16), an adjustment frame (18) hingedly mounted on the slide (7), an adjustment wheel (19) rotatably mounted on the adjustment frame (18), a torsion spring (20) and an adhesive tape (21); the adjustment frame (18) is elastically connected to the slide (7) via the torsion spring (20); a second driving cylinder (22) for driving the feed seat (16) to feed is mounted on the slide (7); the adhesive tape (21) is sleeved on the driving wheel (15), the adjustment wheel (19) and the two rotating wheels (17); and a first motor (23) for providing power for the rotation of the driving wheel (15) is mounted on the slide (7).

4. The curved cover plate ink spraying auxiliary device according to claim 3, characterized in that: A cutting knife (24) is mounted on the slide (7), and the cutting knife (24) is located above the first roller (12) and the second roller (13), and the bottom of the first roller (12) is 2-5 cm lower than the bottom of the second roller (13).

5. The curved cover plate ink spraying auxiliary device according to claim 4, characterized in that: It also includes a belt conveyor mechanism mounted on the slide (7), the belt conveyor mechanism comprising two drive rollers (25) rotatably mounted on the slide (7), a conveyor belt (26) sleeved on the two drive rollers (25), and a second motor (27) providing power for the rotation of one set of the drive rollers (25).

6. The curved cover plate ink spraying auxiliary device according to claim 2, characterized in that: Two guide wheels (28) are rotatably mounted on the slide (7).

7. The ink spraying auxiliary device for curved cover plate according to claim 6, characterized in that: An open header (29) is mounted on the slide (7), and a scraper (30) is mounted on the open header (29). The scraper (30) is in close contact with the adhesive tape (21), and the scraper (30) is arranged at an angle, with the bottom of the scraper (30) extending into the open header (29).

8. The curved cover plate ink spraying auxiliary device according to claim 1, characterized in that: The curved cover plate mould (1) is provided with an avoidance opening (31).

9. The ink spraying auxiliary device for curved cover plate according to claim 7, characterized in that: The open header (29) is detachably mounted on the slide (7).

10. The curved cover plate ink spraying auxiliary device according to claim 9, characterized in that: The open header (29) is provided with a mounting groove (32), and the scraper (30) is detachably mounted in the mounting groove (32).

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