Folding screen mobile phone pressing device

Abstract

The utility model provides a folding screen mobile phone pressing device. The folding screen mobile phone pressing device comprises an upper die, a lower die and a profiling pressing die, the upper die and the lower die are installed in a matched mode and define a pressure maintaining area. The profiling press-fit die is located in the pressure maintaining area and installed on the face, facing the lower die, of the upper die, and the profiling press-fit die is arranged on the upper die in a protruding mode; the profiling pressing die comprises a first profiling die, a middle profiling die and a second profiling die which are arranged in sequence. According to the folding screen mobile phone pressing device provided by the utility model, the first screen, the middle part of the folding screen and the second screen of the folding screen mobile phone are pressed respectively, and pressure is applied to the adhesive layer so as to effectively activate the back adhesive, so that the folding screen is tightly attached to the middle frame of the mobile phone, and the activation effect and quality of the pressure-maintaining back adhesive are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of folding screen equipment, and specifically relates to a folding screen mobile phone pressing device. Background Art

[0002] A foldable screen mobile phone includes a foldable screen and a mobile phone middle frame. The foldable screen includes a first screen, a middle part of the foldable screen, and a second screen. The mobile phone middle frame includes a first mounting frame installed corresponding to the first screen, a second mounting frame installed corresponding to the second screen, and a rotating shaft connecting the first mounting frame and the second mounting frame. The middle part of the foldable screen corresponds to the position of the rotating shaft, and a rotating shaft cover is installed on the side of the rotating shaft facing away from the foldable screen. In the production process of foldable screen mobile phones, after the foldable screen is assembled, the foldable screen needs to be adhered to the mobile phone middle frame through a layer of glue and pressure maintained. After the adhesion is completed, the glue has not solidified within a certain period of time. The mobile phone middle frame and the foldable screen need to be placed under pressure for a certain period of time for pressure maintenance until the glue solidifies. How to keep the relative position of the foldable screen and the mobile phone middle frame unchanged during the pressure maintenance process to avoid affecting the yield of the foldable screen mobile phone has become a technical problem to be solved in the production of foldable screen mobile phones. Utility Model Content

[0003] The purpose of the present utility model is to overcome the shortcomings and deficiencies in the prior art and provide a folding screen mobile phone pressing device, which presses the first screen, the middle part of the folding screen and the second screen of the folding screen mobile phone respectively, and discharges the air between the glue layer and the middle frame of the mobile phone and the folding screen, thereby increasing the viscosity of the glue layer for firm adhesion.

[0004] The utility model is realized through the following technical solutions:

[0005] A folding screen mobile phone pressing device includes an upper mold, a lower mold and a contour pressing mold; the upper mold and the lower mold are installed in conjunction with each other and enclose a pressure holding area; the contour pressing mold is located in the pressure holding area and is installed on the side of the upper mold facing the lower mold, and the contour pressing mold protrusion is set on the upper mold; the contour pressing mold includes a first contour mold, a middle contour mold and a second contour mold arranged in sequence.

[0006] The utility model provides a folding screen mobile phone pressing device, wherein a contour pressing mold protrusion is arranged on the periphery of the upper mold, and a first contour mold, a middle contour mold and a second contour mold are arranged in sequence, and are used to press the first screen, the middle of the folding screen and the second screen respectively, and discharge the air between the glue layer and the middle frame of the mobile phone and the folding screen, thereby increasing the viscosity of the glue layer for firm adhesion.

[0007] Furthermore, the upper mold includes a first upper mold body, a second upper mold body and a third upper mold body arranged in sequence, and the first profiling mold, the middle profiling mold and the second profiling mold are respectively arranged on the first upper mold body, the second upper mold body and the third upper mold body.

[0008] Furthermore, the shape of the first profiling mold is adapted to the shape of the first screen of the foldable screen mobile phone, and the shape of the second profiling mold is adapted to the shape of the second screen of the foldable screen mobile phone. To enhance the fit of the press fit, the shapes of the first profiling mold and the second profiling mold are adapted to the foldable screen mobile phone.

[0009] Furthermore, the middle profiling mold includes a middle pressing block protruding from the second upper mold body, the height of the middle pressing block being flush with the height of the first profiling mold and the second profiling mold. The middle pressing block is used to press the middle edge of the folding screen to expel air.

[0010] Furthermore, the edge of the profiling die facing the lower die is inclined to conform to the shape of the decorative part of the foldable screen mobile phone. The profiling die is inclined all around to fit the decorative part of the foldable screen mobile phone and strengthen the position between the foldable screen mobile phone and prevent movement.

[0011] Furthermore, a folding screen profiling groove is provided on the side of the lower mold facing the upper mold. The folding screen profiling groove is used to limit the middle frame of the mobile phone to prevent the folding screen mobile phone from shifting during the pressure holding process.

[0012] Furthermore, the foldable screen mobile phone pressing device further includes a pressing power device, which is provided in the upper mold and / or the lower mold to make the upper mold and the lower mold fit together. The pressing power device is provided in the upper mold and / or the lower mold to make the upper mold and the lower mold fit together, thereby making the contour pressing mold and the foldable screen mobile phone, and the lower mold and the mobile phone fit tightly together to achieve pressure maintenance.

[0013] Furthermore, the pressing power device includes a plurality of first magnetic members and a plurality of second magnetic members; the plurality of first magnetic members are evenly distributed and disposed on a side of the upper mold facing the lower mold; the plurality of second magnetic members are evenly distributed and disposed on a side of the lower mold facing the upper mold; the position of each first magnetic member corresponds to the position of each second magnetic member, and each first magnetic member is magnetically fixed to each second magnetic member. The magnetic attraction between the first and second magnetic members causes the upper mold and the lower mold to fit together, achieving pressure retention.

[0014] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the pressing device of a folding screen mobile phone.

[0016] Figure 2 It is a structural diagram of the upper mold.

[0017] Figure 3 It is a structural diagram of the lower mold.

[0018] Figure 4 It is a structural diagram of a foldable screen mobile phone. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions of the embodiments of the present invention, rather than all structures.

[0020] Furthermore, the terms "first," "second," "third," etc., in the specification and claims are used solely for descriptive purposes to distinguish between identical technical features. They are not to be construed as indicating or implying relative importance, or as implicitly specifying the number of technical features, nor do they necessarily describe a sequential or chronological order. The terms are interchangeable where appropriate. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one of those features.

[0021] Similarly, the terms "fixed" and "connected" used in the specification and claims should not be construed as limited to direct connections. Thus, the expression "device A is connected to device B" should not be limited to devices or systems in which device A is directly connected to device B. Rather, it means that a path exists between device A and device B, which may include other devices or tools.

[0022] Example 1

[0023] This embodiment provides a folding screen mobile phone pressing device, Figure 1 It is a structural diagram of the pressing device of the folding screen mobile phone. Figure 2 It is a structural diagram of the upper die. Figure 3 This is a schematic diagram of the lower die structure, please refer to Figure 1-3 The folding screen mobile phone pressing device includes an upper mold 1, a lower mold 2 and a contour pressing mold 3; the upper mold 1 and the lower mold 2 are installed in conjunction with each other and enclosed to form a pressure holding area; the contour pressing mold 3 is located in the pressure holding area and is installed on the side of the upper mold 1 facing the lower mold 2, and the contour pressing mold 3 is convexly arranged on the upper mold 1; the contour pressing mold 3 includes a first contour mold 31, a middle contour mold 32 and a second contour mold 33 which are arranged in sequence.

[0024] In the folding screen mobile phone pressing device provided by the present invention, the profiling pressing mold 3 is convexly arranged on the periphery of the upper mold 1, and the first profiling mold 31, the middle profiling mold 32 and the second profiling mold 33 are arranged in sequence, which are used to press the first screen, the middle part 412 of the folding screen and the second screen respectively, and discharge the air between the glue layer and the mobile phone middle frame 42 and the folding screen 41, thereby increasing the viscosity of the glue layer for firm adhesion.

[0025] In this embodiment, the upper mold 1 includes a first upper mold body 11, a second upper mold body 12 and a third upper mold body 13, which are arranged in sequence. The first copy mold 31, the middle copy mold 32 and the second copy mold 33 are detachably arranged on the first upper mold body 11, the second upper mold body 12 and the third upper mold body 13, respectively. The upper mold 1 includes a first upper mold body 11, a second upper mold body 12 and a third upper mold body 13, which press the first screen 41, the middle part 412 of the folding screen and the second screen 43 respectively. In one embodiment, the first upper mold body 11, the second upper mold body 12 and the third upper mold body 13 are detachably linked, and the first upper mold body 11, the second upper mold body 12 and the third upper mold body 13 that are suitable can be selected according to the folding screen mobile phones 4 of different specifications.

[0026] Figure 4 This is a schematic diagram of the structure of a folding screen mobile phone, please refer to Figure 1-4 In this embodiment, the shape of the first profiling mold 31 is adapted to the shape of the first screen 41 of the foldable screen mobile phone 4, and the shape of the second profiling mold 33 is adapted to the shape of the second screen 43 of the foldable screen mobile phone 4. To enhance the fit of the press, the shapes of the first profiling mold 31 and the second profiling mold 33 are adapted to the foldable screen mobile phone 4.

[0027] In one embodiment, the contour pressing mold 3 is a contour silicone pressing mold.

[0028] In another embodiment, the first profiling mold 31 comprises a first polyurethane elastomer, the second profiling mold 33 comprises a second polyurethane elastomer, and the middle profiling mold 32 comprises a middle polyurethane elastomer. The polyurethane elastomer prevents scratches on the folding screen surface. Its elasticity effectively prevents uneven lamination forces caused by processing errors or unevenness in the phone's midframe, providing compensation and adapting to the shape of the phone's midframe and folding screen, ensuring uniform force across the folding screen.

[0029] See also Figure 2 In this embodiment, the first profiling die 31 and the second profiling die 33 are in the shape of a square frame. In another embodiment, the first profiling die 31 includes a first pressing block protruding from the first upper die body 11, and the second profiling die 33 includes a second pressing block protruding from the third upper die body 13.

[0030] In this embodiment, according to the shape of the mobile phone middle frame of the folding screen mobile phone 4, the end of the first imitation mold 31 away from the second imitation mold 33 is adapted to the shape of the top of the mobile phone middle frame, and is provided with an air avoidance groove. The end of the second imitation mold 33 away from the first imitation mold 31 is adapted to the shape of the bottom of the mobile phone middle frame, and is provided with an air avoidance groove, leaving space for decorative parts installed on the mobile phone middle frame 42.

[0031] See also Figure 1 In this embodiment, the central profiling mold 32 includes a central pressing block 321 protruding from the second upper mold body 12. The height of the central pressing block 321 is aligned with the height of the first profiling mold 31 and the second profiling mold 33. In one embodiment, the central profiling mold 32 also includes a ridge protruding from the central pressing block. The ridge extends along the width of the second upper mold body 12 and is used to press against the center of the folding screen 41 to prevent bulging in the middle portion where the first and second screens 41 and 43 meet. Depending on actual needs, central profiling molds 32 of different specifications can be selected to press the center 412 of the folding screen.

[0032] In another embodiment, the central profiling mold 32 includes two central beadings, one on each side of the second upper mold body 12. Both beadings extend along the length of the second upper mold body 12 and are flush with the height of the first profiling mold 31 and the second profiling mold 33. The two beadings are used to press the two sides of the central portion 412 of the folding screen together to expel air.

[0033] In this embodiment, the edge of the contoured pressing mold 3 facing the lower mold 2 is inclined to conform to the shape of the decorative component of the foldable screen mobile phone 4. The contoured pressing mold 3 is surrounded by inclined surfaces to fit the decorative component of the foldable screen mobile phone 4 and strengthen the position between the foldable screen mobile phone 4 and prevent movement.

[0034] In this embodiment, a folding screen profiling groove 21 is provided on the side of the lower mold 2 facing the upper mold 1. The folding screen profiling groove 21 is used to limit the mobile phone middle frame 42 to prevent the folding screen mobile phone 4 from shifting during the pressure holding process.

[0035] In this embodiment, the foldable screen mobile phone pressing device further includes a pressing power device, which is provided in the upper mold 1 and / or the lower mold 2 to abut the upper mold 1 and the lower mold 2. The pressing power device is provided in the upper mold 1 and / or the lower mold 2 to abut the upper mold 1 and the lower mold 2, thereby achieving a tight fit between the contour pressing mold 3 and the foldable screen mobile phone 4, and between the lower mold 2 and the foldable screen mobile phone 4, to achieve pressure maintenance.

[0036] In this embodiment, the pressing mechanism includes a plurality of first magnetic members and a plurality of second magnetic members. The first magnetic members are evenly distributed on the side of the upper mold 1 facing the lower mold 2. The second magnetic members are evenly distributed on the side of the lower mold 2 facing the upper mold 1. The position of each first magnetic member corresponds to the position of each second magnetic member, and each first magnetic member is magnetically fixed to each second magnetic member. The magnetic attraction between the first and second magnetic members causes the upper mold 1 and lower mold 2 to fit together, achieving pressure retention.

[0037] In another embodiment, the pressing power device includes a pressing drive and a pressing plate. The pressing plate is installed on the side of the upper mold 1 facing away from the lower mold 2. The pressing drive is connected to the pressing plate and drives the pressing plate to move in the vertical direction, thereby making the upper mold 1 and the lower mold 2 fit together or separate.

[0038] In another embodiment, the pressing power device includes a plurality of limiting columns arranged on the upper mold 1 and a plurality of corresponding limiting holes arranged on the lower mold 2. The plurality of limiting columns are passed through the limiting holes to make the upper mold 1 and the lower mold 2 fit together.

[0039] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the scope of the claims and equivalent technologies of the present invention, the present invention is also intended to include these changes and modifications.

Claims

1. A folding screen mobile phone pressing device, characterized by: It includes an upper die, a lower die and a contour pressing die; the upper die and the lower die are installed in conjunction with each other to form a pressure holding area; The profiling pressing die is located in the pressure holding area and is installed on the side of the upper die facing the lower die. The profiling pressing die protrusion is set on the upper die; the profiling pressing die includes a first profiling die, a middle profiling die and a second profiling die which are arranged in sequence.

2. The folding screen mobile phone pressing device according to claim 1, characterized in that: The upper mold includes a first upper mold body, a second upper mold body and a third upper mold body which are arranged in sequence, and the first profiling mold, the middle profiling mold and the second profiling mold are respectively arranged on the first upper mold body, the second upper mold body and the third upper mold body.

3. The folding screen mobile phone pressing device according to claim 2, characterized in that: The shape of the first profiling mold is adapted to the shape of the first screen of the folding screen mobile phone, and the shape of the second profiling mold is adapted to the shape of the second screen of the folding screen mobile phone.

4. The folding screen mobile phone pressing device according to claim 3, characterized in that: The middle profiling die comprises a middle pressing block protruding from the second upper die body, and the height of the middle pressing block is flush with that of the first profiling die and the second profiling die.

5. The folding screen mobile phone pressing device according to claim 2, characterized in that: The edge of the contoured pressing mold facing the lower mold is an inclined surface that is adapted to the shape of the decorative part of the folding screen mobile phone.

6. The folding screen mobile phone pressing device according to any one of claims 1 to 5, characterized in that: A folding screen profiling groove is provided on a side of the lower mold facing the upper mold.

7. The foldable screen mobile phone pressing device according to claim 6, characterized in that: It also includes a pressing power device, which is arranged on the upper mold and / or the lower mold to make the upper mold and the lower mold fit together.

8. The folding screen mobile phone pressing device according to claim 7, characterized in that: The pressing power device includes a plurality of first magnetic attraction parts and a plurality of second magnetic attraction parts; Several first magnetic components are arranged on a side of the upper mold facing the lower mold and are evenly distributed; several second magnetic components are arranged on a side of the lower mold facing the upper mold and are evenly distributed; the position of each first magnetic component corresponds to the position of each second magnetic component, and each first magnetic component is magnetically fixed to each second magnetic component.

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