Shell screen printing positioning jig

Abstract

The utility model relates to a shell screen printing positioning jig which is characterized in that a supporting plate is fixed on a mounting plate, so that a connecting plate arranged on the supporting plate and a profiling fixing part arranged on the connecting plate are fixed; the shape of the profiling fixing part is matched with that of the shell, so that the shell can be attached to the profiling fixing part, and deformation of the shell caused by uneven local stress is avoided; an abutting protrusion is arranged at the bottom of the profiling fixing part, a limiting protrusion and a positioning groove are arranged at the upper end of the profiling fixing part, the limiting protrusion is matched with a limiting hole in the shell, the positioning groove corresponds to a positioning protrusion on the shell, and the bottom of the shell abuts against the abutting protrusion, so that an operator can assemble the shell on the profiling fixing part conveniently. The side, close to the connecting plate, of the profiling fixing part is provided with a clamping part, the clamping part can be connected with a clamping protrusion on the shell in a clamped mode, and through triple cooperation of a positioning groove, a limiting protrusion and the clamping part, the shell is prevented from deviating and shaking in the screen printing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling jig technical field, especially a shell silk screen positioning jig. BACKGROUND

[0002] At present, electronic product develops rapidly, and the appearance quality and printing precision of electronic product directly influence the market competitiveness of product. Silk screen printing, full name is silk screen printing, is through the extrusion of squeegee, and the ink is transferred to the printing material through the mesh of the text part, and the text is formed as the original text. The shell of electronic product is mostly curved surface. When the personalized pattern, logo and functional text are given to the shell by the traditional printing method, the printing precision cannot be guaranteed, so the silk screen printing method is often used for printing the shell. The printing precision and yield of silk screen printing depend on the accurate positioning jig. In the current silk screen printing, the general jig is usually used to fix the shell. However, the shell fixed on the jig is easy to shake or deviate during the silk screen printing process, thereby affecting the overprint precision of the silk screen pattern of the shell and the quality of the shell surface, leading to the increase of the product defect rate, which is not conducive to reducing the production cost. In addition, with the increase of the market demand for the complex curved surface, gradual color and small font of the shell of electronic product, the existing positioning jig cannot meet the requirements of high-precision silk screen printing process in terms of positioning precision and stability, and it is necessary to develop a special silk screen positioning jig for the shell to improve the silk screen quality and production efficiency of the shell. SUMMARY

[0003] Therefore, it is necessary to provide a shell silk screen positioning jig.

[0004] The utility model discloses a technical scheme that solves the above technical problems: a shell silk screen positioning jig, which comprises: a mounting plate, a supporting plate, a connecting plate and a profiling fixing part. The supporting plate is fixedly connected with the mounting plate, the connecting plate is fixed on the side wall of the supporting plate, the profiling fixing part is arranged on the side of the connecting plate away from the supporting plate, the lower part of the profiling fixing part is provided with an abutting protrusion, the upper end part of the profiling fixing part is provided with a limiting protrusion and a positioning groove, and the positioning groove corresponds to the positioning protrusion on the shell. The limiting protrusion is matched with the limiting hole on the shell.

[0005] In one embodiment, the number of positioning grooves is two, and the two positioning grooves are symmetrically arranged on the upper end face of the profiling fixing part away from the connecting plate.

[0006] In one embodiment, the cross-sectional area of the connecting plate at the connecting part with the profiling fixing part is smaller than the cross-sectional area of the profiling fixing part.

[0007] In one embodiment, the side of the profiling fixing part close to the connecting plate is provided with a clamping part for clamping and fixing with the plurality of buckles on the shell.

[0008] In one embodiment, the support plate, the connecting plate and the profiling fixing part are integrally formed.

[0009] In one embodiment, the support plate and the mounting plate are connected by bolts.

[0010] In one embodiment, the support plate is fixed on the side wall of the mounting plate.

[0011] In one embodiment, the support plate is fixed on the upper end surface of the mounting plate, and the angle between the connecting plate and the upper end surface of the mounting plate is less than 90°.

[0012] The shell silk screen positioning jig has the advantages that: the connecting plate arranged on the support plate and the profiling fixing part arranged on the connecting plate are fixed by fixing the support plate on the mounting plate; the shape of the profiling fixing part matches the shape of the shell, so that the shell can be attached to the profiling fixing part, the stress of each part of the shell is uniform, and the shell deformation caused by uneven local stress is avoided; the bottom of the profiling fixing part is provided with an abutting protrusion, the upper end of the profiling fixing part is provided with a limiting protrusion and a positioning groove, the limiting protrusion matches the limiting hole on the shell, the positioning groove corresponds to the positioning protrusion on the shell, the bottom of the shell abuts on the abutting protrusion, the shell is conveniently assembled on the profiling fixing part, the side of the profiling fixing part close to the connecting plate has a clamping part, the clamping part can be clamped with the clamping protrusion on the shell, the shell is completely constrained on the profiling fixing groove through the triple cooperation of the positioning groove, the limiting protrusion and the clamping part, and the shell is prevented from being deviated and shaken in the silk screen process. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0014] Figure 1 FIG. 1 is a structural schematic view of the shell silk screen positioning jig of embodiment 1;

[0015] Figure 2 FIG. 2 is a side view of the shell silk screen positioning jig of embodiment 1;

[0016] Figure 3 FIG. 3 is a structural schematic view of the shell silk screen positioning jig of embodiment 2;

[0017] Figure 4 FIG. 4 is a structural schematic view of the shell.

[0018] In the drawings, 10, shell silk screen positioning jig; 100, mounting plate; 200, support plate; 300, connecting plate; 400, profiling fixed part; 410, abutment protrusion; 420, limit protrusion; 430, positioning groove; 440, clamping part; 500, shell; 510, limit hole; 520, positioning protrusion; 530, buckle. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the utility model embodiments. The utility model is not limited to the following specific embodiments.

[0020] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'upper', 'lower', 'front','rear', 'left', 'right', 'top' and 'bottom' is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, and for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] Embodiment 1

[0022] As shown in Figure 1 and Figure 2 A shell silk screen positioning jig 10, comprising: a mounting plate 100, a support plate 200, a connecting plate 300 and a profiling fixed part 400; the support plate 200 is fixedly connected with the mounting plate 100, the connecting plate 300 is fixed on the side wall of the support plate 200, the side of the connecting plate 300 away from the support plate 200 is provided with a profiling fixed part 400, the lower part of the profiling fixed part 400 is provided with an abutment protrusion 410, the upper end of the profiling fixed part 400 is provided with a limit protrusion 420 and a positioning groove 430, the positioning groove 430 corresponds to the positioning protrusion 520 on the shell 500; the limit protrusion 420 matches the limit hole 510 on the shell 500.

[0023] In the embodiment, the mounting plate 100 is a cuboid structure, the support plate 200 is vertically fixed in the middle of the front end face of the mounting plate 100, and the mounting plate 100 is connected with the support plate 200 through a plurality of bolts, so that the connection between the mounting plate 100 and the connecting plate 300 is firm and reliable. The connecting plate 300 is arranged on the side of the support plate 200 away from the mounting plate 100, and the end of the connecting plate 300 away from the support plate 200 is provided with a profiling fixing part 400. The support plate 200, the connecting plate 300 and the profiling fixing part 400 are integrally formed. The cross-sectional area of the connecting part between the connecting plate 300 and the profiling fixing part 400 is smaller than the cross-sectional area of the profiling fixing part 400, so that the connecting plate 300 can provide sufficient support for the profiling fixing part 400 while reducing the interference with the contact area between the profiling fixing part 400 and the shell 500.

[0024] Further, the shape of the profiling fixing part 400 corresponds to the shape of the shell 500, so that the profiling fixing part 400 can closely fit the shape of the shell 500, and the stress on each part of the shell 500 is uniform during the fixing process, avoiding deformation or damage of the shell 500 due to uneven local stress. The lower side of the profiling fixing part 400 is provided with an abutting protrusion 410, so that the bottom of the shell 500 abuts on the abutting protrusion 410, providing stable support for the shell 500. The upper end of the profiling fixing part 400 is provided with a limiting protrusion 420 and a positioning groove 430. The limiting protrusion 420 is arranged at the central position of the upper end face of the profiling fixing part 400. The number of the positioning grooves 430 is two, and the two positioning grooves 430 are symmetrically arranged at the end of the upper end face of the profiling fixing part 400 away from the connecting plate 300. The limiting protrusion 420 matches the limiting hole 510 on the shell 500, and the positioning groove 430 corresponds to the positioning protrusion 520 on the shell 500, so that the shell 500 can be accurately positioned when fixed on the profiling fixing part 400, reducing the operation difficulty of fixing the shell 500 on the profiling fixing part 400 and improving the production efficiency.

[0025] Further, a plurality of clamping parts 440 are arranged on the two side walls of the profiling fixing part 400 close to the connecting plate 300. The plurality of clamping parts 440 correspond to the plurality of buckles 530 on the shell 500, and the clamping parts 440 and the buckles 530 are clamped to enhance the connection stability of the shell 500 and the profiling fixing part 400. Through the multiple cooperation of the limiting protrusion 420, the positioning groove 430 and the clamping part 440, the position of the shell 500 is accurate and error-free when the shell 500 is fixed on the profiling fixing part 400, and the shell 500 is prevented from shifting and rotating during the silk printing process, thereby ensuring the clarity and accuracy of the silk printed pattern.

[0026] Embodiment 2

[0027] The difference between the embodiment and the embodiment 1 is that, as shown in FIG. 2, the support plate 200 is arranged on the front end face of the mounting plate 100, and the connecting plate 300 is arranged on the side of the support plate 200 away from the mounting plate 100. Figure 3As shown, the bottom of the support plate 200 in the embodiment is fixed at the middle position of the upper end surface of the mounting plate 100, the included angle between the support plate 200 and the upper end surface of the mounting plate 100 is less than 90°, the support plate 200 is fixed on the mounting plate 100 in an inclined manner, and the lower end of the support plate 200 is connected with the mounting plate 100 through a bolt; the connecting plate 300 is arranged on one side wall of the support plate 200, the connecting plate 300 is parallel to the support plate 200, that is, the included angle between the connecting plate 300 and the upper end surface of the mounting plate 100 is also less than 90°, and the profiling fixing part 400 is fixed at the end of the connecting plate 300 away from the support plate 200, and the structure of the profiling fixing part 400 is the same as that of the profiling fixing part 400 in Embodiment 1; through the inclined design, it is more convenient to perform silk printing operation on the side wall of the shell 500, the operation space is reduced, and the silk printing efficiency is improved. Meanwhile, the inclined structure enhances the stability of the shell 500 fixed on the profiling fixing part 400, ensures that the shell 500 is not easy to slip in the silk printing process, and further improves the quality and consistency of the silk printed pattern.

[0028] Compared with the prior art, the shell silk printing positioning jig has at least the following advantages:

[0029] The shell silk printing positioning jig provided by the utility model has the advantages that the support plate is fixed on the mounting plate, the connecting plate arranged on the support plate and the profiling fixing part arranged on the connecting plate are fixed, the shape of the profiling fixing part is matched with the shape of the shell, the shell can be attached to the profiling fixing part, the force of each part of the shell is uniform, local uneven force is avoided to cause deformation of the shell, the bottom of the profiling fixing part is provided with an abutting protrusion, the upper end of the profiling fixing part is provided with a limiting protrusion and a positioning groove, the limiting protrusion is matched with the limiting hole on the shell, the positioning groove is corresponded to the positioning protrusion on the shell, the bottom of the shell is abutted to the abutting protrusion, the shell is conveniently assembled to the profiling fixing part by the operation personnel, the side of the profiling fixing part close to the connecting plate has a clamping part, the clamping part can be clamped with the clamping protrusion on the shell, the shell is completely constrained on the profiling fixing groove through the triple cooperation of the positioning groove, the limiting protrusion and the clamping part, the shell is avoided from being deviated and shaken in the silk printing process, the overprint precision and the appearance quality of silk printing are improved, and the market competitiveness of products is improved.

[0030] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation on the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A shell silk printing positioning jig, characterized in that, Include: The mounting plate, support plate, connecting plate and profiling fixed part, the support plate and the mounting plate fixed connection, the connecting plate fixed on the side wall of the support plate, the connecting plate side away from the support plate is equipped with the profiling fixed part which matches the shape of the shell, the lower part of the profiling fixed part is equipped with the abutment convex, the upper end of the profiling fixed part is equipped with the limit convex and the positioning slot, the positioning slot corresponds with the positioning convex on the shell, the limit convex matches the limit hole on the shell.

2. The shell silk screen positioning jig of claim 1, wherein, The number of positioning slots is two, and the two positioning slots are symmetrically arranged on the upper end face of the profiling fixed part away from the connecting plate.

3. The shell silk screen positioning jig of claim 1, wherein, The cross-sectional area of the connecting plate and the profiling fixed part is smaller than the cross-sectional area of the profiling fixed part.

4. The shell silk screen positioning jig of claim 1, wherein, The side of the profiling fixed part close to the connecting plate is equipped with a clamping part for clamping and fixing with the multiple buckles on the shell.

5. The shell silk screen positioning jig of claim 1, wherein, The support plate, connecting plate and profiling fixed part are integrally formed.

6. The shell silk screen positioning jig of claim 1, wherein, The support plate and the mounting plate are connected by bolts.

7. The shell silk printing positioning jig according to any one of claims 1 to 6, characterized by, The support plate is fixed on the side wall of the mounting plate.

8. The shell silk printing positioning jig according to any one of claims 1 to 6, characterized by, The support plate is fixed on the upper end face of the mounting plate, and the included angle between the connecting plate and the upper end face of the mounting plate is less than 90°.

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