Spot welding alignment mechanism of metal mask

Abstract

The utility model discloses a spot welding alignment mechanism for a metal mask plate, which comprises a supporting table, a sliding device is arranged at the top of the supporting table, a distance adjusting device is arranged in the supporting table, and a mask plate fixing device is arranged at the top of the sliding device and is used for fixing the mask plate; according to the device, the position of the mask plate fixing device is adjusted by rotating the second connecting plate through the rotary knob, then the stepped fixing block is driven by rotating the second threaded rod to adjust the fine fixing position, then the second plate is placed on the first plate, and then the pressing ball is pressed on the mask plate by adjusting the angle between the first connecting block and the telescopic rod; according to the double-plate welding device, the first flexible plate and the second flexible plate are arranged, then the four corners of the mask plate are placed between the first flexible plate and the second flexible plate to be fixed, then the mask plate is supported through the third spring and the supporting plate, the mask plate is welded through an existing ultrasonic welding machine, and by means of the structure, the effect that it is guaranteed that deviation does not occur in the double-plate welding process is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mask plates, and more specifically, to a spot welding alignment mechanism for a metal mask plate. Background Art

[0002] A mask plate, also known as a lithography mask plate or a photomask, is a graphic master used in the lithography process of microelectronics manufacturing. It forms a mask pattern by an opaque light-shielding film on a transparent substrate, and transfers these graphic information to the product substrate through the exposure process. The mask plate is very important in micro-nano processing technology and is widely used in fields such as integrated circuits (ICs), flat panel displays (FPDs), printed circuit boards (PCBs), and micro-electro-mechanical systems (MEMS).

[0003] After retrieval, the existing patent (publication number: CN215747402U) discloses a welding device for a metal mask plate frame with stable clamping, belonging to the technical field of mask plate processing. It includes a box body, the upper surface of the box body is fixedly connected to the lower surface of the panel, the lower surface of the inner wall of the box body is movably connected to the bottom end of a rotating shaft through a bearing, and a driven wheel is clamped on the surface of the rotating shaft. For this welding device for a metal mask plate frame with stable clamping, by setting a lead screw, a gear, a driving wheel, a positioning groove, and a transverse moving plate, by placing the mask plate on the surface of the step seat and then continuously rotating the lead screw, the elastic clamping force of the coil spring is transmitted to the surface of the transverse moving plate through a rope belt, so that the transverse moving plate clamps the mask plate through the step seat. This way can maintain a good clamping effect, and at the same time, the force uses the cooperation of the coil spring, which greatly prevents hard clamping during the clamping process and avoids damage caused by clamping, making it convenient for welding and more convenient to use.

[0004] However, during the use of the above device, although the damage to the mask plate can be reduced through clamping, usually two mask plates are used for welding during the welding process, and it is easy to produce deviation during the welding process. Summary of the Utility Model

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a spot welding alignment mechanism for a metal mask plate to solve the problem that although the damage to the mask plate can be reduced through clamping, usually two mask plates are used for welding during the welding process, and it is easy to produce deviation during the welding process.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions: A spot welding alignment mechanism for a metal mask plate, comprising a support table, a sliding device is arranged on the top of the support table, a distance adjusting device is arranged inside the support table, a mask plate fixing device is arranged on the top of the sliding device for fixing the mask plate, a mask plate clamping device is arranged on the top of the sliding device for fixing the mask plate, and a mask plate support assembly is arranged on the top of the sliding device.

[0007] Preferably, the sliding device includes a first connecting plate, a first moving groove, and a second moving groove. The first connecting plate is fixedly installed on the top of the support table, the first moving groove is opened on the first connecting plate, and the second moving groove is opened on the first connecting plate.

[0008] Preferably, the distance adjusting device includes a second connecting plate, a first threaded rod, and a knob. The second connecting plate is movably installed in the first moving groove, the first threaded rod is movably installed on the second connecting plate, and the knob is fixedly installed at one end of the first threaded rod.

[0009] Preferably, the mask plate fixing device includes a moving component, a stepped fixing block, and a pressing component. The moving component is fixedly installed on the top of the second connecting plate, the stepped fixing block is arranged on the top of the moving component, and the pressing component is arranged on one side of the stepped fixing block.

[0010] Preferably, the moving component includes a moving plate, a sliding groove, a second threaded rod, and a moving block. The moving plate is fixedly installed on the top of the second connecting plate, the sliding groove is opened on the top of the moving plate, the second threaded rod is interactively sleeved on the moving plate, the moving block is movably sleeved on the outer surface of the second threaded rod, and the stepped fixing block is fixedly installed on the top of the moving block.

[0011] Preferably, the pressing component includes a fixed support, a rotating shaft, a sleeve, and a first connecting block. The fixed support is fixedly installed on one side of the stepped fixing block, the rotating shaft is movably installed on the fixed support, the sleeve is fixedly sleeved on the outer surface of the rotating shaft, and the first connecting block is fixedly installed on the sleeve.

[0012] Preferably, the pressing component further includes a telescopic rod, a pressing ball, a second connecting block, and a movable connecting support. The telescopic rod is movably installed on one side of the first connecting block, the pressing ball is fixedly installed at one end of the telescopic rod, the second connecting block is fixedly installed on one side of the first connecting block, one end of the movable connecting support is fixedly installed at the bottom of the second connecting block, and the other end of the sleeve is fixedly installed on one side of the stepped fixing block.

[0013] Preferably, the mask plate clamping device includes a movable limit block, a clamping frame, a first spring, a first flexible plate, a second spring, and a second flexible plate. The movable limit block is movably installed inside the second moving groove. The clamping frame is fixedly installed on the top of the movable limit block. The first spring is fixedly installed on the top inner surface of the clamping frame. The first flexible plate is fixedly installed at the bottom end of the first spring. The second spring is fixedly installed at the bottom inner surface of the clamping frame. The second flexible plate is fixedly installed on the top of the second spring.

[0014] Preferably, the mask plate support assembly includes a third spring and a support plate. The third spring is fixedly installed on the top of the first connecting plate. The support plate is fixedly installed on the top of the third spring.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, the position of the mask plate fixing device is adjusted by rotating the second connecting plate through the knob. Then, the fine fixing position is adjusted by driving the stepped fixing block by rotating the second threaded rod. Subsequently, the second plate is placed on the first plate. Then, the pressing ball is pressed on the mask plate by adjusting the angle between the first connecting block and the telescopic rod. Subsequently, the four corners of the mask plate are placed between the first flexible plate and the second flexible plate for fixing. Then, the mask plate is supported by the third spring and the support plate, and welded by an existing ultrasonic welding machine. With the above structure, the effect of ensuring no offset during the double-plate welding process is achieved. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the structural schematic diagram of the sliding device and the distance adjusting device of the present utility model;

[0019] Figure 3 is the structural schematic diagram of the mask plate fixing device of the present utility model;

[0020] Figure 4 is the structural schematic diagram of the moving assembly and the pressing assembly of the present utility model;

[0021] Figure 5 is the structural schematic diagram of the mask plate clamping device of the present utility model.

[0022] [Reference Signs]

[0023] 1. Support platform; 2. Sliding device; 3. Distance adjustment device; 4. Mask plate fixing device; 5. Mask plate clamping device; 6. Mask plate support assembly; 201. First connecting plate; 202. First moving groove; 203. Second moving groove; 301. Second connecting plate; 302. First threaded rod; 303. Knob; 401. Moving assembly; 402. Stepped fixing block; 403. Pressing assembly; 404. Moving plate; 405. Chute; 406. Second threaded rod; 407. Movable block; 408. Fixed support; 409. Rotating shaft; 410. Sleeve; 411. First connecting block; 412. Telescopic rod; 413. Pressing ball; 414. Second connecting block; 415. Movable connecting support; 501. Movable limit block; 502. Clamping frame; 503. First spring; 504. First flexible plate; 505. Second spring; 506. Second flexible plate; 601. Third spring; 602. Support plate. Detailed implementation mode

[0024] The following will combine the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present invention.

[0025] Embodiment 1

[0026] The preferred embodiment of the spot welding alignment mechanism of the metal mask plate provided by the present invention is as Figures 1 to 5 shown: It includes a support platform 1, a sliding device 2 is arranged on the top of the support platform 1, a distance adjustment device 3 is arranged inside the support platform 1, a mask plate fixing device 4 is arranged on the top of the sliding device 2 for fixing the mask plate, a mask plate clamping device 5 is arranged on the top of the sliding device 2 for fixing the mask plate, and a mask plate support assembly 6 is arranged on the top of the sliding device 2.

[0027] In this embodiment, the sliding device 2 includes a first connecting plate 201, a first moving groove 202, and a second moving groove 203. The first connecting plate 201 is fixedly installed on the top of the support platform 1, the first moving groove 202 is opened on the first connecting plate 201, and the second moving groove 203 is opened on the first connecting plate 201.

[0028] In this embodiment, the distance adjustment device 3 includes a second connecting plate 301, a first threaded rod 302, and a knob 303. The second connecting plate 301 is movably installed in the first moving groove 202, the first threaded rod 302 is movably installed on the second connecting plate 301, and the knob 303 is fixedly installed at one end of the first threaded rod 302.

[0029] In this embodiment, the mask fixing device 4 includes a moving component 401, a stepped fixing block 402, and a pressing component 403. The moving component 401 is fixedly installed on the top of the second connecting plate 301. The stepped fixing block 402 is arranged on the top of the moving component 401, and the pressing component 403 is arranged on one side of the stepped fixing block 402.

[0030] In this embodiment, the moving component 401 includes a moving plate 404, a sliding groove 405, a second threaded rod 406, and a movable block 407. The moving plate 404 is fixedly installed on the top of the second connecting plate 301. The sliding groove 405 is opened on the top of the moving plate 404. The second threaded rod 406 is interactively sleeved on the moving plate 404. The movable block 407 is movably sleeved on the outer surface of the second threaded rod 406. The stepped fixing block 402 is fixedly installed on the top of the movable block 407.

[0031] In this embodiment, the pressing component 403 includes a fixed support 408, a rotating shaft 409, a sleeve 410, and a first connecting block 411. The fixed support 408 is fixedly installed on one side of the stepped fixing block 402. The rotating shaft 409 is movably installed on the fixed support 408. The sleeve 410 is fixedly sleeved on the outer surface of the rotating shaft 409. The first connecting block 411 is fixedly installed on the sleeve 410.

[0032] In this embodiment, the pressing component 403 further includes a telescopic rod 412, a pressing ball 413, a second connecting block 414, and a movable connecting support 415. The telescopic rod 412 is movably installed on one side of the first connecting block 411. The pressing ball 413 is fixedly installed at one end of the telescopic rod 412. The second connecting block 414 is fixedly installed on one side of the first connecting block 411. One end of the movable connecting support 415 is fixedly installed at the bottom of the second connecting block 414. The other end of the sleeve 410 is fixedly installed on one side of the stepped fixing block 402.

[0033] Embodiment Two

[0034] On the basis of Embodiment One, a preferred embodiment of the spot welding alignment mechanism of the metal mask provided by the present utility model is as Figures 1 to 5 shown: The mask clamping device 5 includes a movable limit block 501, a clamping frame 502, a first spring 503, a first flexible plate 504, a second spring 505, and a second flexible plate 506. The movable limit block 501 is movably installed inside the second moving groove 203. The clamping frame 502 is fixedly installed on the top of the movable limit block 501. The first spring 503 is fixedly installed on the top inner surface of the clamping frame 502. The first flexible plate 504 is fixedly installed at the bottom end of the first spring 503. The second spring 505 is fixedly installed on the bottom inner surface of the clamping frame 502. The second flexible plate 506 is fixedly installed on the top of the second spring 505.

[0035] In this embodiment, the mask support assembly 6 includes a third spring 601 and a support plate 602. The third spring 601 is fixedly installed on the top of the first connecting plate 201, and the support plate 602 is fixedly installed on the top of the third spring 601.

[0036] The working process of the present utility model is as follows:

[0037] When in use, the operator first rotates the second connecting plate 301 through the knob 303 to adjust the position of the mask fixing device 4, and then drives the stepped fixing block 402 by rotating the second threaded rod 406 to adjust the fine fixing position. Subsequently, the second plate is placed on the first plate, and then the pressing ball 413 is pressed on the mask by adjusting the angle between the first connecting block 411 and the telescopic rod 412. Subsequently, the four corners of the mask are placed between the first flexible plate 504 and the second flexible plate 506 for fixation, and then the mask is supported by the third spring 601 and the support plate 602, and welded by an existing ultrasonic welding machine.

[0038] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or the internal connection of two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to indicate the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0039] Secondly, in the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0040] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A spot welding alignment mechanism for a metal mask, comprising a support platform (1), characterized in that: A sliding device (2) is arranged on the top of the support platform (1), a distance adjustment device (3) is arranged inside the support platform (1), a mask fixing device (4) is arranged on the top of the sliding device (2) for fixing the mask, a mask clamping device (5) is arranged on the top of the sliding device (2) for fixing the mask, and a mask supporting assembly (6) is arranged on the top of the sliding device (2).

2. The spot welding alignment mechanism of a metal mask according to claim 1, characterized in that: The sliding device (2) comprises a connecting plate 1 (201), a moving groove 1 (202), and a moving groove 2 (203); the connecting plate 1 (201) is fixedly mounted on the top of the support platform (1); the moving groove 1 (202) is provided on the connecting plate 1 (201); and the moving groove 2 (203) is provided on the connecting plate 1 (201).

3. The spot welding alignment mechanism of a metal mask according to claim 2, characterized in that: The distance adjustment device (3) comprises a second connecting plate (301), a first threaded rod (302), and a knob (303); the second connecting plate (301) is movably mounted in the first movable groove (202); the first threaded rod (302) is movably mounted on the second connecting plate (301); and the knob (303) is fixedly mounted on one end of the first threaded rod (302).

4. The spot welding alignment mechanism of a metal mask according to claim 3, characterized in that: The mask fixing device (4) comprises a moving component (401), a stepped fixing block (402), and a pressing component (403); the moving component (401) is fixedly mounted on the top of the second connecting plate (301); the stepped fixing block (402) is arranged on the top of the moving component (401); and the pressing component (403) is arranged on one side of the stepped fixing block (402).

5. The spot welding alignment mechanism for a metal mask according to claim 4, characterized in that: The moving assembly (401) comprises a moving plate (404), a slide groove (405), a second threaded rod (406), and a movable block (407); the moving plate (404) is fixedly mounted on the top of the second connecting plate (301); the slide groove (405) is opened on the top of the moving plate (404); the second threaded rod (406) is interactively sleeved on the moving plate (404); the movable block (407) is movably sleeved on the outer surface of the second threaded rod (406); and the stepped fixed block (402) is fixedly mounted on the top of the movable block (407).

6. The spot welding alignment mechanism for a metal mask according to claim 5, characterized in that: The pressing assembly (403) comprises a fixed support (408), a rotating shaft (409), a sleeve (410), and a connecting block (411); the fixed support (408) is fixedly mounted on one side of the stepped fixed block (402); the rotating shaft (409) is movably mounted on the fixed support (408); the sleeve (410) is fixedly sleeved on the outer surface of the rotating shaft (409); and the connecting block (411) is fixedly mounted on the sleeve (410).

7. The spot welding alignment mechanism for a metal mask according to claim 6, characterized in that: The pressing assembly (403) further comprises a lifting rod (412), a pressure ball (413), a second connecting block (414), and a movable connecting support (415), wherein the lifting rod (412) is movably mounted on one side of the first connecting block (411), the pressure ball (413) is fixedly mounted on one end of the lifting rod (412), the second connecting block (414) is fixedly mounted on one side of the first connecting block (411), one end of the movable connecting support (415) is fixedly mounted on the bottom of the second connecting block (414), and the other end of the sleeve (410) is fixedly mounted on one side of the stepped fixed block (402).

8. The spot welding alignment mechanism for a metal mask according to claim 7, characterized in that: The mask clamping device (5) comprises a movable limit block (501), a clamping frame (502), a spring 1 (503), a flexible plate 1 (504), a spring 2 (505), and a flexible plate 2 (506); the movable limit block (501) is movably mounted inside the movable groove 2 (203); the clamping frame (502) is fixedly mounted on the top of the movable limit block (501); the spring 1 (503) is fixedly mounted on the top of the inner surface of the clamping frame (502); the flexible plate 1 (504) is fixedly mounted on the bottom end of the spring 1 (503); the spring 2 (505) is fixedly mounted on the bottom of the inner surface of the clamping frame (502); and the flexible plate 2 (506) is fixedly mounted on the top of the spring 2 (505).

9. The spot welding alignment mechanism for a metal mask according to claim 8, characterized in that: The mask support assembly (6) comprises a spring three (601) and a support plate (602), wherein the spring three (601) is fixedly mounted on the top of the connecting plate one (201), and the support plate (602) is fixedly mounted on the top of the spring three (601).

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