Metal mask frame shaping mechanism

By designing a metal mask frame shaping mechanism, the automatic shaping of the mask frame is achieved using lifting components and clamping seat structures. This solves the shadow effect problem caused by unevenness of the metal mask frame, improves shaping efficiency and safety, and reduces labor costs.

CN224010882UActive Publication Date: 2026-03-20CHANGZHOU LEMENG PRESSURE VESSEL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing technologies, unevenness of the metal mask frame leads to a shadow effect during the evaporation process, affecting the uniformity and brightness of the OLED display. Furthermore, the manual reshaping process is complex, requires multiple people to work together, and is costly.

Method used

A metal mask frame shaping mechanism was designed, comprising a shaping press and a mask frame moving carriage. The height of the mask frame is adjusted by a lifting component to avoid interference, and the height of the positioning pad is adjusted by a clamp seat, clamp handle and linkage structure to achieve automated shaping of the mask frame.

Benefits of technology

It improves the efficiency of mask frame shaping, reduces labor intensity and personnel costs, ensures the safety and stability of the shaping process, avoids equipment interference, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a metal mask frame shaping mechanism which comprises a shaping press and a mask frame moving trolley, the mask frame moving trolley moves a mask frame into the shaping press and shapes the mask frame, the mask frame moving trolley comprises a base, a roller set is installed at the bottom of the base, a lifting assembly is fixed to the outer side face of the base, and the lifting assembly is connected with the base. The lifting assembly is connected with a positioning cushion block, the positioning cushion block is used for positioning the mask frame, the lifting assembly close to the shaping press reduces the height of an ejector rod during shaping, interference between the lifting assembly and the shaping press is avoided, and then the mask frame is moved into the shaping press. According to the mask frame reshaping device, the problem that manual carrying is needed in the existing mask frame reshaping process is solved, interference between the lifting assemblies and the reshaping press is avoided through the mask frame moving trolley, the orientation of the mask frame is adjusted, then the lifting assemblies on one side are lowered, the reshaping position can be conveniently moved into the reshaping press, and the reshaping efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mask frame shaping equipment technical field, concretely is metal mask frame shaping mechanism. BACKGROUND

[0002] OLED metal mask plate is applied to the most critical evaporation process in OLED panel production, and the uneven surface of the mask frame can cause shadow effect in the evaporation process, affecting the uniformity and brightness of the OLED display screen.

[0003] In the past, the metal mask frame shaping process is usually completed by manual handling, since the four edges of the mask frame have the possibility of shaping at any position, and the mask frame shaping position needs to be placed on the press platform during shaping, which requires manual lifting of the mask frame to change the position frequently during shaping, and at least four people are needed to participate simultaneously to complete the shaping of one metal mask frame. Therefore, it is urgent to seek a feasible solution to reduce the difficulty of mask frame shaping, improve the shaping efficiency and reduce the personnel cost. SUMMARY

[0004] The utility model discloses a metal mask frame shaping mechanism, through the mask frame moving vehicle, the orientation of the mask frame is adjusted, then the lifting assembly on one side is lowered, the lifting assembly is prevented from interfering with the shaping press, and the shaping position is conveniently moved into the shaping press, and the shaping efficiency is improved.

[0005] The utility model provides the following technical scheme: a metal mask frame shaping mechanism, comprising a shaping press and a mask frame moving vehicle, the mask frame moving vehicle moves the mask frame into the shaping press, shapes the mask frame, the mask frame moving vehicle comprises a base, a plurality of rollers are installed on the bottom of the base, a lifting assembly is fixed on the outer side of the base, a positioning pad is connected to the lifting assembly, the positioning pad is used for positioning the mask frame, the height of the positioning pad is lowered when the lifting assembly close to the shaping press is shaped, the lifting assembly is prevented from interfering with the shaping press, and then the mask frame is moved into the shaping press.

[0006] Further, the lifting assembly comprises a clamp seat fixed on the side of the base, a strip-shaped hole is formed in the clamp seat, a clamp handle is connected to the lower end of the strip-shaped hole through a pin shaft, a connecting rod is also connected to the clamp handle through a pin shaft, a top rod is hinged to the other end of the connecting rod, a circular hole is formed in the upper end of the clamp seat, the top rod slides in the circular hole, the height of the positioning pad is adjusted by swinging the clamp handle to control the extension and retraction of the top rod in the clamp seat.

[0007] Further, the positioning pad is L-shaped, comprising a bottom plate and a side plate, the side plate limits one end of the mask frame, and the bottom plate supports the mask frame to prevent the mask frame from sliding out.

[0008] Further, the shaping press comprises a press platform and a press fixed on the press platform, the press platform is fixed on the ground through expansion bolts, a screw rod is threadedly connected in the press, and two pressing blocks are fixed on the press platform and located at the middle of the screw rod, the shaping effect of the mask frame is ensured by extruding and shaping the shaping part through the screw rod.

[0009] Further, the number of the lifting assemblies is eight, two lifting assemblies are connected on each side of the base, and two lifting assemblies are arranged on each side of the metal mask frame to support the metal mask frame, thereby improving the stability of the mask frame.

[0010] Further, the positioning pad block is made of plastic material, and scratches are avoided when the positioning pad block contacts the metal mask frame.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) the height of the mask frame is adjusted through the lifting assembly, so that the bottom surface of the mask frame is located on the surface of the pressing block, then the lifting assembly close to the shaping edge is lowered, the shaping edge of the mask frame is emptied, the emptied mask frame is moved into the shaping press, the shaping part is shaped, and interference between the lifting assembly and the shaping press is avoided;

[0013] (2) the height of the positioning pad block is adjusted through the clamp seat, the clamp handle, the connecting rod and the top rod, when the clamp handle is locked upwards, the top rod is extended, when the clamp handle is opened, the top rod is retracted. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0015] Figure 1 is the perspective view of the overall structure of the utility model;

[0016] Figure 2 is the side view of the overall structure of the utility model;

[0017] Figure 3 is the structure schematic view when the utility model is shaped;

[0018] Figure 4 is the structure perspective view of the lifting assembly of the utility model;

[0019] Figure 5 is the structure sectional view of the lifting assembly of the utility model;

[0020] In the figure: 1, the press platform; 11, the press; 12, the screw rod; 13, the briquetting; 2, the base; 3, the lifting assembly; 31, the clamp seat; 32, the clamp handle; 33, the connecting rod; 34, the ejector rod; 4, the positioning pad; 41, the side plate; 42, the bottom plate; 5, the mask frame; 6, the roller group. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1 to 3 The present application provides a technical scheme: a metal mask frame shaping mechanism, comprising a shaping press and a mask frame moving vehicle. The mask frame moving vehicle moves the mask frame 5 into the shaping press to shape the mask frame 5. The mask frame moving vehicle comprises a base 2, the bottom of the base 2 is connected with a roller group 6 through a bearing, the outer side of the base 2 is fixed with a lifting assembly 3 through a bolt, the telescopic part of the lifting assembly 3 is vertically upward, the lifting assembly 3 is connected with a positioning pad 4, the positioning pad 4 is used for positioning and supporting the mask frame 5, the height position of the positioning pad 4 is controlled through the telescopic control of the lifting assembly 3, the height of the positioning pad 4 is lowered by the lifting assembly 3 close to the shaping press during shaping, so that the side edge of the mask frame 5 on this side is in a vacant state, avoiding interference between the lifting assembly 3 and the shaping press. Then, the vacant side edge of the mask frame 5 is moved into the shaping press, which facilitates moving the shaping part of the mask frame 5 into the shaping press for shaping, improves the shaping efficiency, and adjusts the position of the mask frame moving vehicle through the roller group 6, further adjusts the orientation of the mask frame 5, moves the shaping part of the mask frame 5 into the shaping press, facilitates shaping the mask frame 5, not only reduces the difficulty, labor intensity and personnel cost of moving the mask frame 5 during shaping, but also improves the shaping efficiency and safety.

[0023] As Figure 4 and 5As shown, the lifting assembly 3 includes a clamp seat 31 fixed on the side of the base 2 by bolts, a strip-shaped hole is formed in the clamp seat 31, the lower end of the strip-shaped hole is connected with a clamp handle 32 through a pin shaft, the clamp handle 32 is also connected with a connecting rod 33 through a pin shaft, the other end of the connecting rod 33 is hinged with a top rod 34, a circular hole is formed in the upper end of the clamp seat 31, the top rod 34 slides in the circular hole, the angle of the connecting rod 33 is controlled by rotating the clamp handle 32, the top rod 34 slides in the clamp seat 31, so as to adjust the extension length of the top rod 34, adjust the height of the top rod 34, further adjust the height of the positioning pad 4, adjust the height of the mask frame 5, and the lifting assembly 3 of the structure has only two states, when the clamp handle 32 is locked upwards, the top rod 34 is in the extended state, when the clamp handle 32 is opened, the top rod 34 is in the retracted state, so as to realize the control of lifting and lowering of the positioning pad 4.

[0024] Preferably, the lifting assembly 3 can also be an electric push rod, a pneumatic cylinder, an oil cylinder and other parts that can realize extension and retraction, and the push rod type clamp in the technical solution greatly reduces the equipment cost compared with the electric push rod, the pneumatic cylinder and the like, although the degree of automation is low and manual operation is required.

[0025] The positioning pad 4 is L-shaped and includes a bottom plate 42 and a side plate 41, the side plate 41 limits one end of the mask frame 5, and the bottom plate 42 supports the mask frame 5, the side plate 41 limits the side edge of the mask frame 5 to prevent the mask frame 5 from sliding out.

[0026] As shown in the figure, Figure 1 The shaping press includes a press platform 1 and a press 11, the press 11 is fixed on the press platform 1, the press platform 1 is fixed on the ground through expansion bolts, the press 11 is threadedly connected with a screw rod 12, and the press platform 1 is fixed with two pressing blocks 13, the screw rod 12 is located between the two pressing blocks 13, the metal mask frame 5 is supported by the pressing blocks 13, and the shaping position of the metal mask frame 5 is shaped and positioned by downward extrusion of the screw rod 12.

[0027] The number of lifting assemblies 3 is eight, two lifting assemblies 3 are connected on each side of the base 2, so that each side of the metal mask frame 5 is supported by two lifting assemblies 3, and the lower end of the metal mask frame 5 is also supported by at least six lifting assemblies 3 during shaping, thereby improving the stability of the metal mask frame 5.

[0028] The positioning pad 4 is made of plastic material, the hardness of the positioning pad 4 made of plastic material is lower than that of the metal mask frame 5, so that the contact between the positioning pad 4 and the metal mask frame 5 is avoided and scratches on the metal mask frame 5 are prevented.

[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A metal mask frame shaping mechanism, comprising a shaping press and a mask frame moving carriage, wherein the mask frame moving carriage moves the mask frame into the shaping press for shaping, characterized in that: The mask frame moving vehicle includes a base, a set of rollers is installed at the bottom of the base, a lifting assembly is fixed on the outer side of the base, a positioning pad is connected to the lifting assembly, the positioning pad is used to position the mask frame, the lifting assembly near the forming press lowers the height of the top rod during forming to avoid interference between the lifting assembly and the forming press, and then moves the mask frame into the forming press.

2. The metal mask frame shaping mechanism according to claim 1, characterized in that: The lifting assembly includes a clamp seat fixed to the side of the base. The clamp seat has a strip-shaped hole. The lower end of the strip-shaped hole is connected to a clamp handle by a pin. The clamp handle is also connected to a connecting rod by a pin. The other end of the connecting rod is hinged to a top rod. The upper end of the clamp seat has a round hole, and the top rod slides in the round hole.

3. The metal mask frame shaping mechanism according to claim 1, characterized in that: The positioning pad is L-shaped and includes a base plate and a side plate. The side plate limits one end of the mask frame, and the base plate supports the mask frame.

4. The metal mask frame shaping mechanism according to claim 1, characterized in that: The shaping press includes a press platform and a press. The press is fixed on the press platform, and the press platform is fixed to the ground by expansion bolts. The press is internally threaded with a screw. Two pressure blocks are fixed on the press platform, and the screw is located between the two pressure blocks.

5. The metal mask frame shaping mechanism according to claim 1, characterized in that: There are eight lifting components, with two lifting components connected to each side of the base, so that there are two lifting components on each side of the metal mask frame to support the metal mask frame.

6. The metal mask frame shaping mechanism according to claim 2, characterized in that: The positioning pad is made of plastic.