Special sand blasting jig for rotating shaft of folding mobile phone

By combining the drive mechanism and the positioning mechanism, the folding phone hinge is precisely positioned using the beveled surface, solving the problem of height adjustment required in existing technologies and improving sandblasting production efficiency.

CN223656797UActive Publication Date: 2025-12-12DONGGUAN RUNNA IND CO LTD
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Patent Information

Application Number
CN202423287911.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing sandblasting fixtures for folding phone hinges require adjustment of the positioning structure height when dealing with hinges of different thicknesses, resulting in low production efficiency.

Method used

The driving mechanism drives the positioning mechanism to flip, and the beveled surface of multiple positioning contacts achieves precise positioning. It can adapt to rotating shafts of different thicknesses without adjusting the height of the flipping plate.

Benefits of technology

This technology enables tight fitting of rotating shafts of different thicknesses without adjusting the height of the positioning structure, thereby improving the production efficiency of the sandblasting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special sand blasting jig for a rotating shaft of a folding mobile phone, which comprises a supporting mechanism and a driving mechanism arranged on the supporting mechanism, a positioning mechanism is arranged on the driving mechanism, the supporting mechanism comprises a supporting seat, a plurality of cushion blocks are arranged on the upper end surface of the supporting seat, and the cushion blocks are arranged on the supporting seat. The driving mechanism comprises a protective shell and a motor installed on the inner side of the protective shell, the protective shell is used for protecting the motor and fixed to the upper end face of the supporting seat, the driving mechanism further comprises a turnover rod and extending end shafts fixed to the two ends of the turnover rod, and the output end of the motor is fixedly connected with one extending end shaft. The positioning mechanism comprises an inner attaching plate and a first positioning contact fixed to the inner attaching plate, and a plurality of diagonal planes are arranged at the end, away from the inner attaching plate, of the first positioning contact. According to the sand blasting jig special for the rotating shaft of the folding mobile phone, the rotating shaft of the folding mobile phone can be tightly attached on the premise that the height of the overturning plate is not adjusted, the trouble of adjusting the height of a positioning mechanism is omitted, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a special fixture for sand blasting, in particular to a special fixture for sand blasting of folding mobile phone rotating shaft. BACKGROUND

[0002] The special fixture for sand blasting of folding mobile phone rotating shaft is a device for fixing and protecting the rotating shaft part of a mobile phone, mainly used to ensure the accurate position and integrity of the rotating shaft during sand blasting. This fixture is usually made of metal or plastic, with precise positioning holes and clamping devices to ensure that the rotating shaft does not move or be damaged during sand blasting.

[0003] Before sand blasting of the folding mobile phone rotating shaft, it needs to be set on the fixture for positioning. In current use of the fixture, in order to fix the folding mobile phone rotating shaft by sticking or clamping, the positioning member on the positioning structure needs to be directly stuck to the folding mobile phone rotating shaft. However, due to the different thicknesses of different folding mobile phone rotating shafts, the height of the positioning structure needs to be adjusted when processing folding mobile phone rotating shafts of different thicknesses, thus prolonging the entire process time and being not conducive to improving production efficiency. SUMMARY

[0004] The utility model aims at providing a special fixture for sand blasting of folding mobile phone rotating shaft, which realizes accurate positioning of the folding mobile phone rotating shaft by driving the positioning mechanism to flip. Since multiple inclined surfaces of different angles are arranged on each positioning contact, the folding mobile phone rotating shaft can be closely stuck without adjusting the height of the flip plate, thus eliminating the trouble of adjusting the height of the positioning mechanism and improving production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special fixture for sand blasting of folding mobile phone rotating shaft, comprising a supporting mechanism and a driving mechanism arranged on the supporting mechanism, a positioning mechanism is arranged on the driving mechanism, the supporting mechanism comprises a supporting seat, multiple pads are arranged on the upper end face of the supporting seat, the multiple pads are used to support the folding mobile phone rotating shaft, the driving mechanism comprises a protective shell and a motor installed on the inner side of the protective shell, the protective shell is used to protect the motor, the protective shell is fixed on the upper end face of the supporting seat, the driving mechanism further comprises a flip rod and extension end shafts fixed on both ends of the flip rod, the output end of the motor is fixedly connected with one of the extension end shafts, the positioning mechanism comprises an inner sticking plate and a first positioning contact fixed on the inner sticking plate, multiple inclined surfaces are arranged on the end of the first positioning contact away from the inner sticking plate.

[0006] Preferably, the driving mechanism and the positioning mechanism are each provided with two groups, and the two groups of positioning mechanisms are symmetrically distributed on the supporting seat.

[0007] Preferably, the supporting mechanism further comprises a plurality of screw rods and operation handles fixed below the plurality of screw rods, and a plurality of pads are respectively installed above the plurality of screw rods; so that hands rotating the operation handles can drive the plurality of screw rods to operate, and the plurality of pads can be lifted on the supporting base, thereby adjusting the height of the pads to adapt to the support of folding mobile phone shafts with different thicknesses.

[0008] Preferably, the driving mechanism further comprises two edge seats, both of which are fixed to the upper end surface of the supporting base and are distributed at both ends of the turnover rod.

[0009] Preferably, a support is arranged on each extension end shaft, and the support is fixed to the edge seat; so that the support can support the extension end shaft to ensure the stability of the extension end shaft.

[0010] Preferably, the end of the inner pasting plate away from the first positioning contact is fixed to the turnover rod.

[0011] Preferably, a plurality of second positioning contacts are further fixed to the inner pasting plate, the plurality of second positioning contacts are distributed on both sides of the first positioning contact, and the end of the second positioning contact away from the inner pasting plate is provided with an inclined surface.

[0012] Compared with the prior art, the utility model has the advantages that: the utility model discloses that positioning mechanisms are arranged in four directions of the supporting base, when the positioning mechanisms work, the turnover plate drives a plurality of positioning contacts to contact folding mobile phone shafts, and a certain inclined surface on the positioning contact is used to be surface-to-surface pasted with the folding mobile phone shaft, so that the folding mobile phone shaft is accurately positioned, and stability in the sandblasting process is ensured; since a plurality of inclined surfaces with different angles are arranged on each positioning contact, the folding mobile phone shafts with different thicknesses can be closely pasted without adjusting the height of the turnover plate, and the folding mobile phone shafts are accurately positioned, so that the height of the turnover plate and the positioning contact is not adjusted, and production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is one of the schematic diagrams of the utility model embodiment;

[0014] Figure 2 It is the structure of the utility model Figure 1 enlarged view of A;

[0015] Figure 3 It is the structure of the utility model Figure 1 B-B direction cross-sectional schematic view;

[0016] Figure 4 It is the structure of the utility model Figure 3 enlarged view of C.

[0017] The reference signs and names in the drawing are as follows: 1, supporting mechanism; 11, supporting seat; 12, screw rod; 13, operating handle; 14, cushion block; 2, driving mechanism; 21, protective shell; 22, motor; 23, edge seat; 24, extension end shaft; 25, overturning rod; 26, support; 3, positioning mechanism; 31, inner pasting plate; 32, first positioning contact; 33, second positioning contact; 34, bevel surface. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0020] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0021] Please refer to Figure 1The utility model provides a kind of sand blasting fixture special for folding mobile phone pivot, including support mechanism 1 and be set on the driving mechanism 2 of support mechanism 1, positioning mechanism 3 is provided on driving mechanism 2, driving mechanism 2 and positioning mechanism 3 are provided with two groups, two groups of positioning mechanism 3 are symmetrically distributed on support mechanism 1, support mechanism 1 includes support seat 11, multiple pads 14 are provided on the upper end surface of support seat 11, multiple pads 14 are used to support folding mobile phone pivot, driving mechanism 2 includes protective shell 21 and motor 22 installed in the inner side of protective shell 21, protective shell 21 is fixed on the upper end surface of support seat 11, and protective shell 21 is used to protect motor 22, positioning mechanism 3 includes inner pasting plate 31 and the first positioning contact 32 fixed on the inner pasting plate 31, multiple second positioning contacts 33 are also fixed on the inner pasting plate 31.

[0022] Please refer to Figure 2 Driving mechanism 2 further includes turnover rod 25 and the extension end shaft 24 fixed to the both ends of turnover rod 25, driving mechanism 2 further includes two edge seats 23, two edge seats 23 are fixed to the upper end surface of support seat 11, and two edge seats 23 are distributed at the two ends of turnover rod 25, support 26 is provided on each extension end shaft 24, support 26 is fixed to edge seat 23, so that support 26 can support extension end shaft 24, guarantee the stability of extension end shaft 24, the end of inner pasting plate 31 away from first positioning contact 32 is fixed to turnover rod 25, the output end of motor 22 is fixedly connected with one of extension end shaft 24, multiple bevel surfaces 34 are provided at the end of first positioning contact 32 away from inner pasting plate 31.

[0023] Please refer to Figure 3 Support mechanism 1 further includes multiple screw rods 12 and operating handles 13 fixed below multiple screw rods 12, multiple pads 14 are respectively installed above multiple screw rods 12, so that hand turns multiple operating handles 13 can drive multiple screw rods 12 to run, so that multiple pads 14 are lifted on support seat 11, to adjust the height of pad 14 in turn, adapt to the support of folding mobile phone pivot of different thickness.

[0024] Please refer to Figure 4 Multiple second positioning contacts 33 are distributed at the two sides of first positioning contact 32, and the end of second positioning contact 33 away from inner pasting plate 31 is provided with bevel surface 34.

[0025] Please refer to Figures 1 to 4The utility model discloses a folding mobile phone pivot is horizontally arranged on multiple cushion blocks 14 in the work, and the height of multiple cushion blocks 14 is adjusted simultaneously according to the thickness of the folding mobile phone pivot, so that multiple cushion blocks 14 can send the folding mobile phone pivot to the specified height; the drive of two motors 22 runs and drives two turnover rods 25 and the extension end shaft 24 on it to run, makes two inner pasting boards 31 all turn over to the folding mobile phone pivot, finally makes the first positioning contact 32 and the certain one inclined surface 34 on multiple second positioning contacts 33 completely adhere to the folding mobile phone pivot, since the first positioning contact 32 and the second positioning contact 33 all have multiple inclined surfaces 34 of different angles, so can directly adhere to the folding mobile phone pivot of different thicknesses under the premise that the height of the first positioning contact 32 and the second positioning contact 33 is not adjusted, avoids the process of adjusting, makes the whole sand blasting process can be faster.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sand blasting jig special for folding mobile phone rotating shaft, comprising a supporting mechanism (1) and a driving mechanism (2) arranged on the supporting mechanism (1), a positioning mechanism (3) is arranged on the driving mechanism (2), characterized in that: The support mechanism (1) comprises a support base (11), the upper end surface of the support base (11) is provided with a plurality of pads (14), the driving mechanism (2) comprises a protective shell (21) and a motor (22) mounted on the inner side of the protective shell (21), the protective shell (21) is fixed on the upper end surface of the support base (11), the driving mechanism (2) further comprises a turnover rod (25) and an extension end shaft (24) fixed on both ends of the turnover rod (25), one of the extension end shafts (24) is fixedly connected with the output end of the motor (22), the positioning mechanism (3) comprises an inner pad (31) and a first positioning contact (32) fixed on the inner pad (31), the first positioning contact (32) is provided with a plurality of bevels (34) at the end away from the inner pad (31). ​ 2. The sand blasting jig for the folding mobile phone hinge according to claim 1, wherein: The driving mechanism (2) and the positioning mechanism (3) are both provided with two groups, the two groups of positioning mechanisms (3) are symmetrically distributed on the support base (11).

3. The sand blasting jig for the folding mobile phone hinge according to claim 1, wherein: The support mechanism (1) further comprises a plurality of screw rods (12) and an operating handle (13) fixed below the plurality of screw rods (12), and the plurality of pads (14) are respectively mounted above the plurality of screw rods (12).

4. The sand blasting jig for the folding mobile phone hinge according to claim 1, wherein: The driving mechanism (2) further comprises two edge seats (23), both of the two edge seats (23) are fixed on the upper end surface of the support base (11), and the two edge seats (23) are distributed at both ends of the turnover rod (25).

5. The sand blasting jig for the folding mobile phone hinge according to claim 4, wherein: Each of the extension end shafts (24) is provided with a support (26), and the support (26) is fixed on the edge seat (23).

6. The sand blasting jig for the folding mobile phone hinge according to claim 1, wherein: The end of the inner pad (31) away from the first positioning contact (32) is fixed on the turnover rod (25).

7. The sand blasting jig for the folding mobile phone hinge according to claim 1, wherein: A plurality of second positioning contacts (33) are further fixed on the inner pad (31), the plurality of second positioning contacts (33) are distributed on both sides of the first positioning contact (32), and the end of the second positioning contact (33) away from the inner pad (31) is provided with a bevel (34).