Outer grain transfer printing tool for mobile phone shell

Abstract

The utility model discloses a mobile phone shell outer grain transfer printing tool which comprises a clamp and a buffer piece, the clamp comprises a plurality of limiting ends which are arranged on the clamp at equal intervals, the buffer piece comprises adaptive ends, and the adaptive ends and the limiting ends are sleeved in a one-to-one correspondence mode and are completely embedded so that the buffer piece can be divided into a plurality of identical supporting areas. According to the utility model, the buffer piece is arranged on the support plate by using a clamp, so that the uniform pressure with the pinch roller can be kept, zebra stripes are prevented, and the membrane material dislocation caused by the fact that the pinch roller exerts transverse force on the buffer piece in the moving process is avoided. The limiting end can be arranged on the clamp and corresponds to the adaptive end of the buffer piece, and the limiting end is divided into smaller stress supporting areas, so that local pressure is effectively controlled, it is ensured that transverse force cannot be generated when the pressing wheel moves, membrane material dislocation is avoided, and zebra stripes are better prevented through combination of the limiting end and the buffer piece.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone case manufacturing, in particular to an outer pattern transfer tooling for mobile phone cases. Background Art

[0002] The current mobile phone back shells may indeed be made of multiple materials through superposition, extrusion and other methods. This approach can combine the advantages of different materials, such as the strength of metal, the lightness of plastic, the beauty of glass, etc., so as to manufacture mobile phone back shells with more excellent performance. When using fiberglass (glass fiber) on the outer layer, it usually needs to be processed through a UV (ultraviolet) curing process. In this process, in order to beautify the mobile phone back shell, the ink is often applied to the template film through a transfer device, and then the target film is covered and extruded, so as to color the target film and form a specific pattern.

[0003] However, when extruding the target film, there are differences in the pressure on the bottom and the top of the target film. Coupled with the ink being between the two films, the frictional force between them is reduced, which is manifested as zebra stripes (belonging to transfer failure) on the target film after transfer, increasing the rejection rate. This not only causes waste of raw materials but also reduces the product yield. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the application of this application, to avoid obscuring the purpose of this part, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] To solve the above-mentioned problems, the utility model provides the following technical solutions: An outer pattern transfer tooling for mobile phone cases includes a fixture, which includes a limiting end. The number of the limiting ends is several and they are arranged at equal intervals on the fixture.

[0006] A buffer member, which includes a fitting end. The fitting end is sleeved with the limiting end in a one-to-one correspondence and is completely fitted, so that the buffer member is divided into several identical supporting areas. A support plate is provided on the buffer member, and a mold film is provided on the support plate.

[0007] Based on the above technical solutions, the utility model can be further improved as follows.

[0008] As a preferred scheme of the outer pattern transfer tooling for mobile phone cases of the utility model, wherein: The fixture further includes a fixing member, and the fixture is arranged on the transfer device through the fixing member.

[0009] As a preferred solution of a mobile phone case outer pattern transfer tooling according to the present utility model, wherein: a limiting convex edge is provided on the outer surface of the fixture, and the outer surface of the buffer member is in complete / partial contact with the limiting convex edge.

[0010] As a preferred solution of a mobile phone case outer pattern transfer tooling according to the present utility model, wherein: a notch is provided on the limiting convex edge.

[0011] As a preferred solution of a mobile phone case outer pattern transfer tooling according to the present utility model, wherein: the fixing member protrudes from the outer surface of the fixture, and the fixing member is a gasket with a screw hole.

[0012] As a preferred solution of a mobile phone case outer pattern transfer tooling according to the present utility model, wherein: the limiting ends are circular grooves equally spaced on the upper surface of the fixture, and the bottom of the buffer member is provided with equally spaced circular protrusions, and the circular protrusions have exactly the same shape as the circular grooves.

[0013] As a preferred solution of a mobile phone case outer pattern transfer tooling according to the present utility model, wherein: the top of the buffer member is a plane, the thickness of its top and the circular protrusions is the same, and the thickness is between 1-2 mm.

[0014] The beneficial effects of the present utility model are: by using a fixture to install a buffer member on the support plate, a uniform pressure with the pressure wheel can be maintained, preventing the appearance of zebra stripes. To avoid the lateral force exerted by the pressure wheel on the buffer member during movement causing the film material to be misaligned, a limiting end can be provided on the fixture corresponding to the mating end of the buffer member, dividing it into smaller force-bearing support areas, thereby effectively controlling the local pressure, ensuring that no lateral force is generated when the pressure wheel moves, avoiding the misalignment of the film material, and the combination of the two can better prevent the appearance of zebra stripes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0016] Figure 1 It is a three-dimensional view of the whole of this embodiment.

[0017] Figure 2 It is a three-dimensional view of the fixture of this embodiment.

[0018] Figure 3 It is a three-dimensional view of the buffer member of this embodiment.

[0019] Figure 4 It is an assembly drawing of the buffer member and the fixture of this embodiment.

[0020] Figure 5 This is the working schematic diagram of this embodiment.

[0021] In the figure: fixture 100, limiting end 100a, limiting convex edge 100b, notch 100b-1, fixing part 100c;

[0022] Buffer 200, adapting end 200a, supporting area 200b;

[0023] Support plate 300, coating film 400, mold film 500, pressing wheel 600. Detailed implementation manner

[0024] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following will make a detailed description of the specific implementation manners of the present utility model in conjunction with the accompanying drawings of the specification.

[0025] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not all refer to the same embodiment, nor is it a separate or alternative embodiment that excludes other embodiments.

[0027] Embodiment

[0028] Refer to Figures 1 to 5 , which is an embodiment of the present utility model. This embodiment provides a mobile phone case outer pattern transfer tooling. As Figure 1 shown, the fixture 100 includes a limiting end 100a. The number of the limiting ends 100a is several, and they are arranged at equal intervals on the fixture 100;

[0029] The buffer 200 includes an adapting end 200a. The adapting end 200a is sleeved with the limiting end 100a in a one-to-one correspondence and is completely fitted, so that the buffer 200 is divided into several identical supporting areas 200b. A support plate 300 is provided on the buffer 200, and a mold film 500 is provided on the support plate 300.

[0030] Specifically, the buffer member 200 is installed on the support plate 300 by the fixture 100. Its main function is to maintain a uniform pressure value with the pressure wheel 600 to prevent the appearance of zebra stripes. To prevent the pressure wheel 600 from applying a lateral force to the buffer member 200 during movement, causing misalignment between the target film and the mold film, a number of limiting ends 100a can be provided on the fixture 100, and the matching ends 200a of the buffer member 200 can be made to correspond to these limiting ends one by one. By providing equally spaced grooves on the fixture 100 and corresponding them to the protrusions on the buffer member 200, the buffer member can be divided into smaller force-bearing support areas 200b, thereby better controlling the local pressure, effectively preventing the appearance of zebra stripes, and ensuring that no lateral force is applied to the buffer member 200 when the pressure wheel 600 moves, avoiding misalignment between the target film and the mold film, and further preventing the appearance of zebra stripes.

[0031] Exemplarily, as Figure 1 、 Figure 5 shown, the fixture 100 further includes a fixing member 100c. The fixture 100 is arranged on the transfer device through the fixing member 100c. Specifically, the fixing member 100c protrudes from the outer surface of the fixture 100, and the fixing member 100c is a gasket with a screw hole. The fixture 100 with the fixing member 100c is fixed on the transfer device by screws to prevent it from loosening.

[0032] Exemplarily, as Figure 1 shown, in order to further prevent the pressure wheel from applying a lateral force to the buffer member during movement, causing misalignment of the film material, a limiting convex edge 100b is provided on the outer surface of the fixture 100. The outer surface of the buffer member 200 is completely / partially in contact with the limiting convex edge 100b. A notch 100b-1 is provided on the limiting convex edge 100b. The fact that the outer surface of the buffer member 200 is completely / partially in contact with the limiting convex edge 100b can further prevent the influence of the lateral force on the buffer member 200. The notch is provided to facilitate the installation of the buffer member 200 on the fixture 100.

[0033] Exemplarily, as Figures 1 - 4 shown, the limiting ends 100a are circular grooves equally spaced on the upper surface of the fixture 100. Circular protrusions are provided at equal intervals at the bottom of the buffer member 200. The circular protrusions have the same shape as the circular grooves. The circle has a good effect of evenly dispersing the lateral force. Secondly, the circular structure is simpler and more convenient to manufacture.

[0034] Exemplarily, the top of the buffer member 200 is a flat surface, and its top and the circular protrusion have the same thickness, which is between 1 and 2 mm. The buffer member 200 can be made of silica gel. Due to its soft material, a thinner thickness can achieve a hardness similar to that of the surface of the pressure wheel 600 (generally, a silica gel sleeve is used for the pressure wheel 600). At the same time, the effect of buffering and maintaining pressure can be taken into account. The circular protrusion has the same thickness as its flat surface and is relatively thin, which can also prevent the buffer member 200 from being greatly deformed after being pressed. Therefore, setting it like this can better ensure the transfer yield.

[0035] Importantly, it should be noted that the construction and arrangement of the present application shown in multiple different exemplary embodiments are only illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible without substantially departing from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, changes in color, orientation, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structure that performs the recited function herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0036] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model or those features that are not relevant to the implementation of the present utility model).

[0037] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A transfer tooling for the outer pattern of a mobile phone case, characterized in that: Including, A fixture (100) includes a limiting end (100a). The limiting end (100a) has a plurality of numbers and is arranged equidistantly on the fixture (100); A buffer member (200) includes a fitting end (200a). The fitting end (200a) is sleeved with the limiting end (100a) in a one-to-one correspondence and is completely fitted, so that the buffer member (200) is divided into several identical support regions (200b). A support plate (300) is provided on the buffer member (200), and a mold film (500) is provided on the support plate (300).

2. The transfer tooling for the outer pattern of a mobile phone case according to claim 1, wherein: The fixture (100) further includes a fixing member (100c). The fixture (100) is arranged on the transfer device through the fixing member (100c).

3. The transfer tooling for the outer pattern of a mobile phone case according to claim 1 or 2, characterized in that: A limiting convex edge (100b) is provided on the outer surface of the fixture (100), and the outer surface of the buffer member (200) is completely / partially in contact with the limiting convex edge (100b).

4. The transfer tooling for the outer pattern of a mobile phone case according to claim 3, wherein: A notch (100b-1) is formed on the limiting convex edge (100b).

5. The transfer tooling for the outer pattern of a mobile phone case according to claim 2, characterized in that: The fixing member (100c) protrudes from the outer surface of the fixture (100), and the fixing member (100c) is a gasket with a screw hole.

6. The transfer tooling for the outer pattern of a mobile phone case according to claim 1, characterized in that: The limiting end (100a) is a circular groove opened equidistantly on the upper surface of the fixture (100). Circular protrusions are provided at equal intervals at the bottom of the buffer member (200), and the shapes of the circular protrusions and the circular grooves are exactly the same.

7. The transfer tooling for the outer pattern of a mobile phone case according to claim 6, characterized in that: The top of the buffer member (200) is a plane, and the thickness of its top and the circular protrusions is the same, and the thickness is between 1-2 mm.

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