Dust collecting device in OLED panel grinding process

By designing a dust collection device during the OLED panel grinding process, the problem of dust diffusion is solved by using dust suction components and wiping components, achieving all-round cleaning and health protection.

CN223998174UActive Publication Date: 2026-03-17HEFEI BOCHUANG SEMICONDUCTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-17
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

The fine dust generated during the grinding of precision metal photomasks is easily dispersed, posing a health hazard to workers.

Method used

A dust collection device for the OLED panel grinding process was designed, including a dust suction component and a wiping component. The dust is adsorbed into the filter box through the tilted dust suction hole and the air pump. The movement of the grinding component and the wiping sponge are combined to clean the mask surface in all directions.

Benefits of technology

It effectively prevents dust from spreading in the space, ensures a clean working environment, protects the health of staff, and improves the cleanliness of the mask surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dust collecting device in the OLED panel grinding process, and belongs to the technical field of grinding, the dust collecting device comprises a platform base, supporting legs, a fixing assembly, a grinding assembly and a dust collection assembly, through an inclined plane in the dust collection assembly, dust collection holes can be inclined relative to the surface of a fine metal mask, and the dust collection efficiency is improved. Therefore, dust can enter the filter box through the air inlet pipe to be filtered through air suction of the air suction pump, exhausted air is exhausted to the outside through the air outlet pipe, the situation that dust still exists on the fine metal mask due to the fact that the exhausted air blows external dust to the surface of the fine metal mask can be avoided, the cleaning effect is better, and the service life of the fine metal mask is prolonged. And the cleaning plate can move along with the grinding head through the connecting bracket, so that the fine metal mask can be treated in all directions.
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Description

Technical Field

[0001] This utility model belongs to the field of grinding technology, specifically, it relates to a dust collection device in the grinding process of OLED panels. Background Technology

[0002] Fine Metal Mask (FMM) is a core consumable used in OLED production, with a thickness of only about 20µm. During OLED evaporation, the FMM adheres closely to the glass substrate, serving as a mask for RGB three-color evaporation. If there are protrusions on the FMM surface (typically 5-50µm in diameter and less than 10µm in height), the FMM will not adhere tightly to the glass substrate, causing color mixing during organic light-emitting dielectric evaporation and resulting in product scrap. Therefore, protrusions on the FMM surface must be completely removed.

[0003] Chinese invention patent CN117697591A discloses a fine metal mask grinding system and method, including a motion mechanism, a grinding platform, a measuring mechanism, and a grinding mechanism. The motion mechanism is disposed above the grinding platform, and the measuring mechanism and the grinding mechanism are mounted on the motion mechanism. The grinding platform includes a platform base, a transparent platform plate, a fixing component, a moving component, and a lifting component. The upper part of the platform base is recessed to form a groove. The transparent platform plate is disposed in the middle of the groove opening. The fixing component is disposed at the left end of the groove, and the moving component is disposed at the right end of the groove relative to the fixing component and is laterally slidably connected to the groove. The lifting component is disposed between the fixing component and the moving component, spans the transparent platform plate, and is laterally slidably connected to the groove. This invention provides a fine metal mask grinding system and method with a simple structural design, soft contact between the grinding head and the product, and precise grinding.

[0004] The aforementioned existing technology also has the following drawbacks: during the grinding process of fine metal photomasks, tiny dust particles will be generated. If not cleaned up in time, these particles will disperse into the air and be inhaled by workers, causing harm to their bodies. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] To address the problem mentioned in the background art that fine dust is generated during the grinding of fine metal photomasks, and if not cleaned in time, it will disperse into the air and be inhaled by workers, causing personal injury, the present invention adopts the following technical solution.

[0007] A dust collection device for the grinding process of an OLED panel includes a platform base with support legs fixedly connected to the four corners of the bottom of the platform base. The upper end of the platform base is provided with a concave surface, and a fixing component is installed inside the concave surface to fix a fine metal mask. A grinding component is installed on the platform base to grind the surface of the fine metal mask. A dust suction component is installed on the grinding component to absorb the dust during grinding.

[0008] Preferably, the dust collection assembly is equipped with a wiping assembly that wipes the surface of the fine metal mask.

[0009] Preferably, the grinding assembly includes an electric slide rail, a grinding head, a gantry frame, a drive motor, a drive screw, a sliding block, and an electric telescopic rod. Electric slide rails are embedded in the upper two sides of the platform base. The vertical sides of the gantry frame are slidably connected inside the electric slide rails on both sides. The horizontal side of the gantry frame is provided with a through groove. A sliding block is slidably connected inside the through groove. A drive screw is rotatably connected inside the through groove. A drive motor is detachably connected to one end of the gantry frame. The rotating end of the drive motor is detachably connected to one end of the drive screw. An electric telescopic rod is detachably connected to the upper end of the sliding block. The telescopic end of the electric telescopic rod passes through the sliding block and is detachably connected to the grinding head.

[0010] Preferably, the dust collection assembly includes a cleaning plate, a penetrating groove, a connecting bracket, an inclined surface, a dust collection hole, an air inlet pipe, an air pump, a filter box, and an air outlet pipe. The outer wall of the grinding head is provided with a cleaning plate, and the cleaning plate is provided with a penetrating groove. The grinding head is inserted into the penetrating groove. The upper end of the cleaning plate is fixedly connected to the connecting bracket, and the connecting bracket is detachably connected to the outer wall of the sliding block. The edge of the penetrating groove near the bottom is provided with an inclined surface, and multiple dust collection holes are provided on the inclined surface. The upper end of the cleaning plate is detachably connected to the air inlet pipe, and the end of the air inlet pipe is detachably connected to the filter box. The air inlet end of the air pump is detachably connected to one side of the outer wall of the filter box, and the air outlet end of the air pump is detachably connected to the air outlet pipe.

[0011] Preferably, the air outlet pipe extends through the sliding block.

[0012] Preferably, the wiping assembly includes a mounting groove, a wiping sponge, a first magnetic plate, and a second magnetic plate. The bottom of the cleaning plate is provided with a mounting groove, the first magnetic plate is provided inside the mounting groove, the wiping sponge is provided inside the mounting groove, and the second magnetic plate is fixedly connected to the wiping sponge. The first magnetic plate and the second magnetic plate attract each other to fix the wiping sponge inside the mounting groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. The inclined surface in the dust collection component allows the dust collection holes to be tilted relative to the surface of the fine metal mask. This allows the air pump to draw dust through the air inlet pipe into the filter box for filtration, while the exhaust gas is discharged to the outside through the air outlet pipe. This prevents the exhaust gas from blowing external dust onto the surface of the fine metal mask, thus avoiding the presence of dust on the mask and resulting in a better cleaning effect. The connecting bracket allows the cleaning plate to move with the grinding head, enabling comprehensive treatment of the fine metal mask.

[0015] 2. The wiping sponge in the wiping component is adsorbed inside the mounting groove, which allows the surface of the fine metal mask to be wiped during the grinding process, making the surface of the fine metal mask cleaner.

[0016] 3. The electric slide rails on both sides of the grinding assembly enable the gantry to move back and forth. The drive motor rotates the drive screw, which in turn causes the sliding block to move the grinding head laterally inside the through slot. The extension and retraction of the electric telescopic rod allows the grinding head to move up and down, thus enabling all-round grinding of the fine metal mask. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a dust collection device in the grinding process of an OLED panel according to the present invention.

[0018] Figure 2 This is a schematic diagram of the grinding component structure in this utility model;

[0019] Figure 3 This is a schematic diagram of the dust collection component structure in this utility model;

[0020] Figure 4 This is a schematic diagram of the wiping component structure in this utility model.

[0021] The correspondence between the labels and component names in the attached figures is as follows:

[0022] 100. Platform base; 101. Support leg; 102. Concave surface; 103. Electric slide rail;

[0023] 200. Grinding head; 201. Gantry frame; 202. Drive motor; 203. Drive screw; 204. Sliding block; 205. Electric telescopic rod;

[0024] 300. Cleaning plate; 301. Connecting bracket; 302. Inclined surface; 303. Dust suction hole; 304. Air inlet pipe; 305. Air pump; 306. Filter box; 307. Air outlet pipe; 308. Mounting slot; 309. Wiping sponge. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. The present invention provides the following embodiments.

[0028] like Figure 1 The diagram shows a preferred embodiment of the dust collection device in the grinding process of an OLED panel. This embodiment includes a platform base 100 with support legs 101 fixedly connected to the four corners of its bottom. The upper end of the platform base 100 has a concave surface 102, inside which a fixing component (not shown in the diagram, but the same component mentioned in the cited document) is installed. This fixing component secures a fine metal mask. A grinding head 200, movable up, down, left, and right, is installed above the platform base 100. The grinding head 200 grinds the surface of the fine metal mask. In this embodiment, the concave upper end of the platform base 100 allows the fine metal mask to be located inside the platform base 100, reducing the impact of external wind on dust during the grinding process. The fixing component secures and tensions the fine metal mask.

[0029] like Figure 2As shown, this is a schematic diagram of the grinding assembly structure in this embodiment. Electric slide rails 103 are embedded in both sides of the upper end of the platform base 100. The vertical sides of the gantry frame 201 are slidably connected inside the electric slide rails 103. A through groove is provided on the horizontal side of the gantry frame 201. A sliding block 204 is slidably connected inside the through groove. A drive screw 203 is rotatably connected inside the through groove. A drive motor 202 is detachably connected to one end of the gantry frame 201. The rotating end of the drive motor 202 is detachably connected to one end of the drive screw 203. The upper end of the sliding block 204 can... The electric telescopic rod 205 is detachably connected. The telescopic end of the electric telescopic rod 205 passes through the sliding block 204 and is detachably connected to the top of the grinding head 200. In this embodiment, the gantry frame 201 can move back and forth through the electric slide rails 103 on both sides. The drive motor 202 rotates and drives the drive screw 203 to rotate, which in turn enables the sliding block 204 to drive the grinding head 200 to move laterally inside the through slot. The extension and retraction of the electric telescopic rod 205 allows the grinding head 200 to move up and down, thereby enabling all-round grinding of the fine metal mask.

[0030] It is worth noting that the electric slide rail 103, grinding head 200, gantry frame 201, drive motor 202, drive screw 203, sliding block 204, and electric telescopic rod 205 mentioned above are the grinding components in this embodiment. The grinding components include, but are not limited to, the electric slide rail 103, grinding head 200, gantry frame 201, drive motor 202, drive screw 203, sliding block 204, and electric telescopic rod 205. Any component capable of grinding the surface of a fine metal mask can be used in this embodiment.

[0031] like Figure 3As shown, this is a schematic diagram of the dust collection component structure in this embodiment. A cleaning plate 300 is provided on the outer wall of the grinding head 200. A through groove is provided on the cleaning plate 300, into which the grinding head 200 is inserted. A connecting bracket 301 is fixedly connected to the upper end of the cleaning plate 300. The connecting bracket 301 is detachably connected to the outer wall of the sliding block 204. An inclined surface 302 is provided near the bottom edge of the through groove, and multiple dust collection holes 303 are provided on the inclined surface 302. An air inlet pipe 304 is detachably connected to the upper end of the cleaning plate 300. A filter box 306 is detachably connected to the end of the air inlet pipe 304. An air pump 305 is detachably connected to the outer wall of one side of the filter box 306. The air outlet of the air pump 305 is detachably connected to the outer wall of the filter box 306. The device is connected to an air outlet pipe 307, which extends through a sliding block 204. In this embodiment, the inclined surface 302 allows the suction hole 303 to be tilted relative to the surface of the fine metal mask. This allows the air pump 305 to draw dust through the air inlet pipe 304 into the filter box 306 for filtration, while the exhaust gas is discharged to the outside through the air outlet pipe 307. This prevents the exhaust gas from blowing external dust onto the surface of the fine metal mask, thus avoiding the presence of dust on the fine metal mask and improving the cleaning effect. The connecting bracket 301 allows the cleaning plate 300 to move with the grinding head 200, enabling comprehensive treatment of the fine metal mask.

[0032] It is worth noting that the cleaning plate 300, the penetrating groove, the connecting bracket 301, the inclined surface 302, the dust suction hole 303, the air inlet pipe 304, the air pump 305, the filter box 306, and the air outlet pipe 307 mentioned above are the dust suction components in this embodiment. The dust suction components include, but are not limited to, the cleaning plate 300, the penetrating groove, the connecting bracket 301, the inclined surface 302, the dust suction hole 303, the air inlet pipe 304, the air pump 305, the filter box 306, and the air outlet pipe 307. Any component that can adsorb dust during grinding can be used in this embodiment.

[0033] like Figure 4 As shown, this is a schematic diagram of the wiping component structure in this embodiment. The bottom of the cleaning plate 300 is provided with a mounting groove 308. A first magnetic suction plate is provided inside the mounting groove 308. A wiping sponge 309 is provided inside the mounting groove 308. A second magnetic suction plate is fixedly connected to the wiping sponge 309. The first magnetic suction plate and the second magnetic suction plate attract each other to fix the wiping sponge 309 inside the mounting groove 308. In this embodiment, by wiping the sponge 309 inside the mounting groove 308, the surface of the fine metal mask can be wiped during the grinding process, making the surface of the fine metal mask cleaner.

[0034] It is worth noting that the mounting groove 308, wiping sponge 309, first magnetic plate and second magnetic plate mentioned above are wiping components in this embodiment. Wiping components include, but are not limited to, mounting groove 308, wiping sponge 309, first magnetic plate and second magnetic plate. Any component that can wipe the surface of a fine metal mask can be used in this embodiment.

[0035] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A dust collecting device in an OLED panel grinding process, comprising a platform base (100), support legs (101) are fixedly connected at the bottom of four corners of the platform base (100), characterized in that, The upper end of the platform base (100) is provided with an inner concave surface (102), and a fixing assembly is mounted in the inner concave surface (102) to fix the fine metal mask. A grinding assembly is mounted on the platform base (100) to grind the surface of the fine metal mask. A dust suction assembly is mounted on the grinding assembly to suck dust generated during grinding.

2. The dust collecting device in an OLED panel grinding process according to claim 1, wherein, A wiping assembly is mounted on the dust suction assembly to wipe the surface of the fine metal mask.

3. The dust collecting device in the process of grinding the OLED panel according to claim 2, wherein, The grinding assembly comprises an electric sliding rail (103), a grinding head (200), a gantry (201), a driving motor (202), a driving screw (203), a sliding block (204), and an electric telescopic rod (205). The upper end of the platform base (100) is embedded with the electric sliding rail (103) on both sides. The vertical edges of the gantry (201) are slidably connected to the inside of the electric sliding rails (103) on both sides. The horizontal edge of the gantry (201) is provided with a through groove. The sliding block (204) is slidably connected to the inside of the through groove. The driving screw (203) is rotatably connected to the inside of the through groove. One end of the gantry (201) is detachably connected with the driving motor (202). The rotating end of the driving motor (202) is detachably connected with one end of the driving screw (203). The upper end of the sliding block (204) is detachably connected with the electric telescopic rod (205). The telescopic end of the electric telescopic rod (205) passes through the sliding block (204) and is detachably connected with the grinding head (200).

4. The dust collecting device in an OLED panel grinding process according to claim 3, wherein, The dust suction assembly comprises a cleaning plate (300), a through groove, a connecting bracket (301), an inclined surface (302), a dust suction hole (303), an air inlet pipe (304), a suction pump (305), a filter box (306), and an air outlet pipe (307). The outer wall of the grinding head (200) is provided with the cleaning plate (300). The cleaning plate (300) is provided with the through groove. The grinding head (200) is inserted into the through groove. The upper end of the cleaning plate (300) is fixedly connected with the connecting bracket (301). The connecting bracket (301) is detachably connected with the outer wall of the sliding block (204). The edge of the through groove close to the bottom is provided with the inclined surface (302). The inclined surface (302) is provided with a plurality of dust suction holes (303). The upper end of the cleaning plate (300) is detachably connected with the air inlet pipe (304). The distal end of the air inlet pipe (304) is detachably connected with the filter box (306). One side of the outer wall of the filter box (306) is detachably connected with the air inlet end of the suction pump (305). The air outlet end of the suction pump (305) is detachably connected with the air outlet pipe (307).

5. The dust collecting device in an OLED panel grinding process according to claim 4, wherein, The air outlet pipe (307) passes out of the sliding block (204).

6. The dust collecting device in an OLED panel grinding process according to claim 5, wherein, The wiping assembly comprises a mounting groove (308), a wiping sponge (309), a first magnetic plate and a second magnetic plate, the bottom of the cleaning plate (300) is provided with the mounting groove (308), the inside of the mounting groove (308) is provided with the first magnetic plate, the inside of the mounting groove (308) is provided with the wiping sponge (309), the wiping sponge (309) is fixedly connected with the second magnetic plate, and the first magnetic plate and the second magnetic plate adsorb the wiping sponge (309) and fix the wiping sponge (309) in the inside of the mounting groove (308).

Citation Information

Patent Citations

  • Fine metal mask grinding system and grinding method

    CN117697591A