Screen pressing equipment for mobile phone production

By combining a vacuum chamber, a hydraulic cylinder, and a buffer mechanism, the problem of screen breakage caused by rigid impact in existing mobile phone screen pressing devices has been solved, achieving flexible pressing and highly safe screen bonding.

CN223762624UActive Publication Date: 2026-01-06HUIZHOU SETEL TECHNOLOGY CO LTD

Patent Information

Application Number
CN202520300373.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-06
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

Existing mobile phone screen pressing devices lack a buffering process when the upper mold applies downward pressure to the screen at the moment of contact, which can easily lead to screen breakage.

Method used

The system employs a combination of a vacuum chamber, hydraulic cylinder, buffer mechanism, and drive mechanism. The buffer mechanism in a vacuum environment prevents direct rigid impact between the pressure plate and the screen, while the buffering effect of the telescopic spring and support plate achieves flexible pressing.

Benefits of technology

It effectively prevents static electricity and dust contamination, ensures bonding quality, avoids screen damage, and improves processing safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223762624U_ABST
    Figure CN223762624U_ABST
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Abstract

The utility model belongs to the technical field of mobile phone production, and particularly relates to a screen pressing device for mobile phone production, which comprises a workbench, a support column and a top plate, and further comprises a vacuum box, the hydraulic cylinder is fixed on the top surface of the top plate, and a piston rod of the hydraulic cylinder penetrates through the top plate and then is fixedly connected with a vacuum box; the two buffering mechanisms are symmetrically fixed to the top face of the workbench and used for supporting a mobile phone frame and a mobile phone screen; a pressing plate; the driving mechanism is connected to the pressing plate in a drivable mode and used for driving the pressing plate to move; according to the pressing device, the mobile phone screen is pressed in a vacuum environment, electrostatic dust collection and dust pollution can be effectively prevented, and the attaching quality is guaranteed; and through the arranged buffer mechanism, the downward pressure of the pressing plate can be buffered until the telescopic column is completely contracted, unnecessary damage caused by direct rigid impact between the pressing plate and the mobile phone screen is avoided, and the machining safety is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mobile phone production, and particularly relates to a screen pressing equipment for mobile phone production. BACKGROUND

[0002] Mobile phones play an important role in daily life as a kind of communication equipment, and the screen of a mobile phone is the main equipment for displaying information, the structure of the screen of a mobile phone is mainly divided into full-laminated and frame-laminated, wherein frame-laminated is widely used in functions and fields, and the frame-laminated screen mainly adopts double-sided adhesive to laminate the cover plate and the display screen or the mobile phone frame together, and the cover plate needs to be pressed tightly with the display screen or the mobile phone frame for a period of time after lamination to improve the lamination effect.

[0003] At present, a hydraulic device is usually used to press the mobile phone screen, and a pressing plate is driven downward by a hydraulic cylinder to exert downward pressure on the mobile phone screen.

[0004] For example, in the prior art, the Chinese utility model patent with the authorization announcement number CN221292335U discloses a "mobile phone screen pressing device", which comprises a base, the base is provided with a base plate, the base plate is connected with a lower mold, the lower mold is provided with a pressing groove, the base is also provided with a support frame, the inner side of the support frame is provided with a lifting plate, the lifting plate is connected with an upper mold, the side surface of the base plate is connected with a plug column through a fastening mechanism, the upper end of the plug column is in the shape of a triangular prism, and the side surface of the lifting plate is also connected with a limiting column through a fastening mechanism.

[0005] The pressing device in the prior art including the above can meet general pressing requirements, but in actual use, downward pressure is exerted on the mobile phone screen at the moment when the upper mold contacts the mobile phone screen, and there is no necessary buffering process, so that the mobile phone screen is easily broken due to rigid impact.

[0006] To solve the above problems, the utility model provides a screen pressing equipment for mobile phone production. UTILITY MODEL CONTENTS

[0007] To solve the above problems in the prior art, the utility model provides a screen pressing equipment for mobile phone production, which has the characteristics of convenient use and high safety performance.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a screen pressing equipment for mobile phone production, comprising a workbench, support columns fixed to the top surface of the workbench at four corners, and a top plate fixed to the top end of the support columns, further comprising:

[0009] A vacuum box is located between the workbench and the top plate, and an air extraction port is arranged on the vacuum box.

[0010] A hydraulic cylinder is fixed to the top surface of the top plate, and a piston rod of the hydraulic cylinder is fixedly connected with the vacuum box after penetrating through the top plate;

[0011] Two sets of buffer mechanisms are fixed symmetrically to the top surface of the workbench and used for supporting the mobile phone frame and the mobile phone screen, and each buffer mechanism comprises a telescopic column fixed to the top surface of the workbench, a supporting plate fixed to the top end of the telescopic column and a telescopic spring sleeved on the telescopic column;

[0012] A pressing plate is arranged in the vacuum box;

[0013] A driving mechanism is drivingly connected with the pressing plate and used for driving the pressing plate to move.

[0014] As a preferred technical scheme of the utility model, the utility model also comprises:

[0015] A lower rubber pad is fixedly bonded to the top surface of the workbench;

[0016] An upper rubber pad is fixedly bonded to the bottom surface of the pressing plate.

[0017] As a preferred technical scheme of the utility model, the utility model also comprises:

[0018] A positioning frame is fixed to the top surface of the workbench, and the vacuum box is embedded into the positioning frame when moving to a low position.

[0019] As a preferred technical scheme of the utility model, the utility model also comprises:

[0020] A rubber sealing frame is fixedly bonded between the inner wall of the positioning frame and the top surface of the workbench.

[0021] As a preferred technical scheme of the utility model, the driving mechanism comprises:

[0022] Two moving seats are symmetrically distributed in the vacuum box;

[0023] A turnover connecting rod is hingedly connected with the moving seat at the top end and hingedly connected with the pressing plate at the bottom end;

[0024] A bidirectional threaded rod is rotatably installed in the vacuum box, penetrates through the moving seat and is connected with the moving seat in a threaded screwing mode;

[0025] A driving motor is fixed to the vacuum box and used for driving the bidirectional threaded rod to rotate.

[0026] As a preferred technical scheme of the utility model, the driving mechanism further comprises:

[0027] The guide rods are fixed symmetrically in the vacuum box, and the guide rods penetrate the moving seat.

[0028] As a preferred technical scheme of the utility model, further comprising:

[0029] The first guide columns are fixed diagonally on the top surface of the vacuum box, and the first guide columns penetrate the top plate.

[0030] As a preferred technical scheme of the utility model, further comprising:

[0031] The guide blocks are fixed symmetrically on the outer wall of the vacuum box.

[0032] The second guide columns are fixed on the top surface of the workbench, and the second guide columns penetrate the guide blocks.

[0033] The limiting disc is fixed on the top end of the second guide column.

[0034] Compared with the prior art, the utility model has the beneficial effects that:

[0035] The compression equipment of the utility model realizes compression of the mobile phone screen in the vacuum environment, can effectively prevent electrostatic dust absorption and dust pollution, and guarantees the bonding quality; the buffer mechanism is arranged, the downward pressure of the pressing plate can be buffered first, until the telescopic column is completely retracted, unnecessary damage caused by direct rigid impact of the pressing plate on the mobile phone screen is avoided, and the safety of processing is guaranteed.

[0036] Other additional advantages and beneficial effects of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0037] The drawings are used to provide further understanding of the utility model, and 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 the limitation on the utility model.

[0038] Figure 1 It is the structural schematic diagram of the utility model;

[0039] Figure 2 It is the sectional structure schematic diagram of the vacuum box in the utility model;

[0040] Figure 3 It is the structural schematic diagram of the utility model Figure 1 in the A place amplification structure schematic diagram;

[0041] Figure 4 For the buffer mechanism in the utility model Figure 1 Enlarged structural schematic view;

[0042] Figure 5 For the driving mechanism in the utility model Figure 2 Enlarged structural schematic view.

[0043] In the drawing: 1, workbench;2, support column;3, top plate;4, vacuum box;41, vacuum port;5, hydraulic cylinder;6, No. 1 guide column;7, buffer mechanism;71, telescopic column;72, support plate;73, telescopic spring;8, lower rubber pad;9, positioning frame;91, rubber sealing frame;10, pressing plate;11, driving mechanism;111, moving seat;112, turnover connecting rod;113, two-way threaded rod;114, driving motor;115, guide rod;12, upper rubber pad;13, guide block;14, No. 2 guide column;15, limit disc. Specific embodiments

[0044] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0045] Please refer to Figures 1-5 , the utility model provides the following technical scheme: a screen pressing equipment for mobile phone production, including workbench 1, support column 2 fixed on the top surface four corners of workbench 1 and top plate 3 fixed on the top end of support column 2, still including: vacuum box 4, hydraulic cylinder 5, buffer mechanism 7, pressing plate 10 and driving mechanism 11.

[0046] Further, by Figure 1 、 Figure 2 And Figure 4As shown, in the embodiment, the vacuum box 4 is located between the workbench 1 and the top plate 3, and the vacuum box 4 is provided with a vacuum port 41, the hydraulic cylinder 5 is fixed to the top surface of the top plate 3, and the piston rod of the hydraulic cylinder 5 is fixedly connected with the vacuum box 4 after penetrating through the top plate 3, and the two sets of buffer mechanisms 7 are fixedly arranged on the top surface of the workbench 1 and used for supporting the mobile phone frame and the mobile phone screen, and the buffer mechanism 7 comprises a telescopic column 71 fixed to the top surface of the workbench 1, a supporting plate 72 fixed to the top end of the telescopic column 71 and a telescopic spring 73 sleeved on the telescopic column 71, the pressing plate 10 is located in the vacuum box 4, and the driving mechanism 11 is drivingly connected with the pressing plate 10 and used for driving the pressing plate 10 to move, after the above scheme is adopted, in use, the vacuum port 41 is connected with a vacuum pump through a hose, the mobile phone screen and the mobile phone frame are stacked in a state to be pressed and are placed on the upper portion of the workbench 1 and supported by the supporting plate 72, then the hydraulic cylinder 5 is started, the vacuum box 4 is pushed downward by the piston rod of the hydraulic cylinder 5, until the vacuum box 4 contacts the workbench 1 to form a seal, then the vacuum pump is started to vacuum the internal space of the vacuum box 4, and finally the driving mechanism 11 is started to drive the pressing plate 10 to move downward to press the mobile phone screen, the pressing equipment of the utility model realizes pressing of the mobile phone screen in a vacuum environment, can effectively prevent electrostatic dust absorption and dust pollution and guarantees the fitting quality, through the buffer mechanism 7, the downward pressure of the pressing plate 10 can be buffered first until the telescopic column 71 is completely contracted, unnecessary damage caused by direct rigid impact of the pressing plate 10 on the mobile phone screen is avoided, and the safety of processing is guaranteed.

[0047] It should be noted that, in the utility model, the telescopic column 71 is a telescopic structure composed of two hollow cylindrical members, when the pressing plate 10 contacts the mobile phone screen, the pressing plate 10 will not rigidly impact the mobile phone screen, after the pressing plate 10 continues to move downward, the mobile phone screen will move downward, the supporting plate 72 moves downward, and the telescopic spring 73 is contracted to realize buffering.

[0048] Preferably, by Figure 1 and Figure 2 As shown, in the embodiment, the utility model also includes: a lower rubber pad 8 and an upper rubber pad 12, the lower rubber pad 8 is adhesively fixed to the top surface of the workbench 1, and the upper rubber pad 12 is adhesively fixed to the bottom surface of the pressing plate 10, after the above scheme is adopted, in use, the lower rubber pad 8 and the upper rubber pad 12 have better flexibility, the mobile phone screen and the mobile phone frame are clamped by the lower rubber pad 8 and the upper rubber pad 12, and the safety is further improved.

[0049] Preferably, by Figure 1 As shown, in the embodiment, the utility model also includes: a positioning frame 9, the positioning frame 9 is fixed to the top surface of the workbench 1, and the vacuum box 4 is embedded into the positioning frame 9 when moving downward to a low position, after the above scheme is adopted, in use, the vacuum box 4 is positioned by the positioning frame 9, and the stability of the vacuum box 4 in the working process is improved.

[0050] Preferably, as shown in Figure 1 In this embodiment, the rubber sealing frame 91 is fixed between the inner wall of the positioning frame 9 and the top surface of the workbench 1. After the above scheme is adopted, in use, the bottom end of the vacuum box 4 presses the rubber sealing frame 91, thereby improving the sealing performance.

[0051] Optionally, as shown in Figure 1 , Figure 2 and Figure 5 In this embodiment, the driving mechanism 11 includes two moving seats 111, a turnover connecting rod 112, a bidirectional threaded rod 113, and a driving motor 114. The two moving seats 111 are symmetrically distributed in the vacuum box 4. The top end of the turnover connecting rod 112 is hinged to the moving seat 111, and the bottom end is hinged to the pressing plate 10. The bidirectional threaded rod 113 is rotationally installed in the vacuum box 4, and the bidirectional threaded rod 113 penetrates the moving seat 111 and is connected to the moving seat 111 by screwing. The driving motor 114 is fixed on the vacuum box 4 and is used to drive the bidirectional threaded rod 113 to rotate. After the above scheme is adopted, in use, the driving motor 114 is started to drive the bidirectional threaded rod 113 to rotate. Under the action of screwing, the two moving seats 111 move closer to or away from each other, and simultaneously drive the turnover connecting rod 112 to overturn and move, and the turnover connecting rod 112 drives the pressing plate 10 to lift and lower.

[0052] Preferably, as shown in Figure 1 , Figure 2 and Figure 5 In this embodiment, the driving mechanism 11 further includes two guide rods 115, which are fixed in the vacuum box 4 and penetrate the moving seat 111. After the above scheme is adopted, in use, the two guide rods 115 are used to guide the moving seat 111, thereby improving the stability of the moving seat 111.

[0053] Preferably, as shown in Figure 1 In this embodiment, it further includes four first guide columns 6, which are fixed diagonally on the top surface of the vacuum box 4 and penetrate the top plate 3. After the above scheme is adopted, in use, the four first guide columns 6 are used to guide the vacuum box 4, thereby improving the stability of the vacuum box 4.

[0054] Preferably, as shown in Figure 1 and Figure 3As shown, in the embodiment, further include: guide block 13, two guide column 14 and limit disc 15, two guide block 13 symmetry fixed on the outer wall of vacuum box 4, two guide column 14 is fixed on the top surface of workbench 1, and two guide column 14 penetrates guide block 13, limit disc 15 is fixed on the top end of two guide column 14, after using the above scheme, through the setting of two guide column 14 for guiding vacuum box 4, improve the stability of vacuum box 4, through the setting of limit disc 15 for limiting the lifting range of vacuum box 4.

[0055] Need to explain, hydraulic cylinder 5 and drive motor 114 are all conventional equipment of market purchase, built-in power switch, and the person skilled in the art can make conventional selection according to the use needs, and the working principle is the common sense known by the person skilled in the art and has been fully disclosed by prior art, and this paper will not be too much.

[0056] The circuit connection of the utility model relates to the conventional means adopted by the person skilled in the art, and the technical inspiration can be obtained through limited tests, which belongs to the prior art widely used.

[0057] The components not described in detail in the present application are prior art.

[0058] The working principle and use process of the utility model: the screen pressing equipment for mobile phone production of the utility model, when using, the vacuum port 41 is connected with the vacuum pump by a hose, the mobile phone screen and the mobile phone frame are stacked into a state to be pressed, and are placed on the upper part of the workbench 1, and are supported by the supporting plate 72;

[0059] Then start the hydraulic cylinder 5, push the vacuum box 4 down through the piston rod of the hydraulic cylinder 5, until the vacuum box 4 contacts the workbench 1 to form a seal;

[0060] Then start the vacuum pump to vacuum the internal space of the vacuum box 4, and finally start the drive motor 114 to drive the bidirectional threaded rod 113 to rotate, drive the pressing plate 10 to move down, and press the mobile phone screen;

[0061] The pressing equipment of the utility model realizes pressing the mobile phone screen in a vacuum environment, which can effectively prevent electrostatic dust absorption and dust pollution, and ensure the bonding quality;

[0062] The buffer mechanism 7 can buffer the downward pressure of the pressing plate 10 first, until the telescopic column 71 is completely retracted, so that unnecessary damage caused by direct rigid impact of the pressing plate 10 and the mobile phone screen is avoided, and the safety of processing is ensured.

[0063] 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 have 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 screen pressing device for mobile phone production, comprising a workbench (1), support columns (2) fixed to the top surface of the four corners of the workbench (1), and a top plate (3) fixed to the top end of the support columns (2), characterized in that, Also include: Vacuum box (4), the vacuum box (4) is located between the workbench (1) and the top plate (3), and the vacuum box (4) is provided with a vacuum port (41); Hydraulic cylinder (5), the hydraulic cylinder (5) is fixed to the top surface of the top plate (3), and the piston rod of the hydraulic cylinder (5) is fixedly connected with the vacuum box (4) after penetrating through the top plate (3); Buffer mechanism (7), two sets of buffer mechanism (7) are fixed symmetrically on the top surface of the workbench (1), used for supporting the mobile phone frame and the mobile phone screen, and the buffer mechanism (7) comprises a telescopic column (71) fixed to the top surface of the workbench (1), a supporting plate (72) fixed to the top end of the telescopic column (71) and a telescopic spring (73) sleeved on the telescopic column (71); Pressing plate (10), the pressing plate (10) is located in the vacuum box (4); Driving mechanism (11), the driving mechanism (11) is drivingly connected with the pressing plate (10), used for driving the pressing plate (10) to move.

2. The screen pressing device for mobile phone production according to claim 1, characterized in that: Also include: Lower rubber pad (8), the lower rubber pad (8) is adhesively fixed to the top surface of the workbench (1); Upper rubber pad (12), the upper rubber pad (12) is adhesively fixed to the bottom surface of the pressing plate (10).

3. The screen pressing device for mobile phone production according to claim 1, characterized in that: Also include: Positioning frame (9), the positioning frame (9) is fixed to the top surface of the workbench (1), and the vacuum box (4) is embedded into the positioning frame (9) when moving down to the low place.

4. The screen pressing device for mobile phone production according to claim 3, characterized in that: Also include: Rubber sealing frame (91), the rubber sealing frame (91) is adhesively fixed between the inner wall of the positioning frame (9) and the top surface of the workbench (1).

5. The screen pressing apparatus for a mobile phone production according to claim 1, wherein: The driving mechanism (11) comprises: Moving seat (111), two moving seats (111) are symmetrically distributed in the vacuum box (4); Overturning connecting rod (112), the top end of the overturning connecting rod (112) is hinged with the moving seat (111), and the bottom end is hinged with the pressing plate (10); Two-way threaded rod (113), the two-way threaded rod (113) is rotatably installed in the vacuum box (4), and the two-way threaded rod (113) penetrates through the moving seat (111) and is connected with the moving seat (111) by screwing; Driving motor (114), the driving motor (114) is fixed on the vacuum box (4), used for driving the two-way threaded rod (113) to rotate.

6. The screen pressing apparatus for a mobile phone production according to claim 5, wherein: The driving mechanism (11) further comprises: Guide rod (115), two guide rods (115) are fixed symmetrically in the vacuum box (4), and the guide rod (115) penetrates through the moving seat (111).

7. The screen pressing apparatus for a mobile phone production according to claim 1, wherein: Also include: No. 1 guide column (6), four no. 1 guide columns (6) are fixed diagonally on the top surface of the vacuum box (4), and the no. 1 guide column (6) penetrates through the top plate (3).

8. The screen pressing apparatus for a mobile phone production according to claim 1, wherein: Also include: Guide block (13), two guide blocks (13) are fixed symmetrically on the outer wall of the vacuum box (4); A second guide column (14) is fixed to the top surface of the workbench (1), and the second guide column (14) penetrates the guide block (13); A limiting disc (15) is fixed to the top end of the second guide column (14).

Citation Information

Patent Citations

  • Mobile phone screen pressing device

    CN221292335U

Cited By

  • Screen packaging equipment for automobile data recorder

    CN121946162A