Mobile phone rotating shaft virtual angle of view detection equipment

By designing a visual inspection device for the virtual angle of a mobile phone hinge, and utilizing components such as the YZ combination module and the X-axis push-pull module, online inspection of the hinge was achieved, solving the problem of insufficient accuracy in manual inspection and realizing efficient and accurate reliability inspection of the hinge connection.

CN116678601BActive Publication Date: 2025-11-04SUZHOU KINGREACH INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202310661399.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-06
Publication Date
2025-11-04
Estimated Expiration
2043-06-06

AI Technical Summary

Technical Problem

Current shaft inspection mainly relies on manual inspection, which results in insufficient inspection accuracy and makes it easy for defective products to enter the market.

Method used

A visual inspection device for the virtual angle of a mobile phone hinge was designed. Through components such as the YZ combined module, the X-axis push-pull module and the vision camera assembly, the device can realize online inspection of the hinge, apply extrusion pressure to check the deformation, and ensure accurate and reliable inspection.

Benefits of technology

It achieves efficient and accurate reliability testing of the shaft connection, ensuring that the shaft's robustness at 0° and 180° meets factory standards, with high testing efficiency and high accuracy.

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    Figure CN116678601B_ABST
Patent Text Reader

Abstract

The application provides a mobile phone rotating shaft virtual angle visual inspection equipment, which can detect whether the link of the rotating shaft is firm and reliable, and can test whether the deformation of the rotating shaft meets the factory standard by applying extrusion force to the rotating shaft. The equipment comprises a machine base, a YZ combined module, an X-axis push-pull module, a product feeding and discharging module, a rotating shaft automatic overturning mechanism, a product feeding guide mechanism and a visual camera assembly. The YZ combined module comprises a Y-axis screw module, a Z-axis screw module, a first motion drag chain, a first force sensor and a first push-pull adapter. The X-axis push-pull module comprises an X-axis module, a forward and backward sliding table cylinder, a second force sensor and a second push-pull adapter. Corresponding thrust bearings are convexly installed on the two side edges of the second push-pull adapter. The visual camera assembly comprises a camera support, a height adjusting sliding table, a camera body and a lens body.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of joint structures, and particularly relates to a visual detection equipment for a virtual angle of a mobile phone rotating shaft. BACKGROUND

[0002] The demand for folding screen mobile phones is increasing day by day, and the rotating shafts necessary for the folding screen mobile phones are constantly updated and replaced. Manufacturers pay more and more attention to the rotating shaft assembly process. After the rotating shaft is assembled, it is necessary to detect whether the connection of the rotating shaft is firm and reliable. The existing rotating shaft detection is carried out by manual detection, and the detection precision is not enough, which can easily cause unqualified products to flow into the market. SUMMARY

[0003] In view of the above problems, the application provides a visual detection equipment for a virtual angle of a mobile phone rotating shaft, which can detect whether the connection of the rotating shaft is firm and reliable, and can test whether the deformation of the rotating shaft meets the factory standard by applying extrusion force to the rotating shaft.

[0004] A visual detection equipment for a virtual angle of a mobile phone rotating shaft, characterized in that the visual detection equipment comprises:

[0005] a machine base;

[0006] a YZ combined module comprising a Y-axis screw module, a Z-axis screw module, a first motion drag chain, a first force sensor and a first push-pull adapter;

[0007] an X-axis push-pull module comprising an X-axis module, a forward and backward sliding table cylinder, a second force sensor and a second push-pull adapter, and corresponding push force movable bearings are mounted on the two side edges of the second push-pull adapter;

[0008] a product feeding and discharging module comprising a product feeding and discharging linear module, a product lifting platform and a product fixing carrier, the output end of the product feeding and discharging linear module is connected with the product lifting platform, the output end of the product lifting platform is fixedly connected with the product fixing carrier, and the product fixing carrier is used for fixing one end of the product;

[0009] a rotating shaft automatic overturning mechanism comprising a front position avoiding sliding table cylinder, a front overturning rotating cylinder and a front overturning lever, the output end of the front position avoiding sliding table cylinder is connected with the front overturning rotating cylinder, the rotating part of the front overturning rotating cylinder is fixedly connected with the front overturning lever, and the front overturning lever drives the screen to overturn relative to the rotating shaft under the rotation of the front overturning rotating cylinder;

[0010] a product feeding guide mechanism comprising a forward and backward cylinder, a product feeding jig and two groups of spring plungers, the output end of the forward and backward cylinder is fixedly connected with the product feeding jig, the product feeding jig is in a C-shaped notch, and the upper plate and the lower edge position of the C-shaped notch are respectively provided with the spring plungers;

[0011] And a visual camera assembly, comprising a camera support, a height-adjusting sliding table, a camera body, a lens body, the camera support is provided with a height-adjusting sliding table at the end, the back side of the camera body is embedded in the height-adjusting sliding table, the lower part of the camera body is fixed with the lens body, and the lens body is arranged downward;

[0012] The upper surface of the base is provided with a visual camera assembly in the central region, and the base is further provided with a YZ combined module, an X-axis push-pull module, a product feeding and discharging module, a rotating shaft automatic turnover mechanism and a product feeding guide mechanism;

[0013] The product fixing carrier of the product feeding and discharging module is arranged towards the C-shaped notch of the product feeding guide jig, the spring plunger is used for pressing and attaching the two end faces of the product, and the product feeding guide mechanism cooperates with the product feeding module to move the product to the lower area of the lens body;

[0014] The turnover lever of the rotating shaft automatic turnover mechanism is located directly below the other end face of the product, and the turnover lever is used for turning the hinge from 180° to 0°;

[0015] The first push-pull adapter is arranged directly above the position of the product to be detected and is provided with a lower convex positioning piece for positioning the connected product;

[0016] The thrust movable bearing of the second push-pull adapter is arranged on the two sides of the product.

[0017] It is further characterized in that:

[0018] The output end of the Y-axis lead screw module is fixedly connected with the bottom mounting seat of the Z-axis lead screw module, the output end of the Z-axis lead screw module is connected with the first force sensor through the first connecting frame, and the other end of the first force sensor is fixedly connected with the first push-pull adapter;

[0019] The X-axis module is fixedly connected with the base, the output end of the X-axis module is fixedly connected with the forward and backward sliding table cylinder, the output end of the forward and backward sliding table cylinder is connected with the second force sensor through the second connecting block, the other end of the second force sensor is connected with the second push-pull adapter, and corresponding thrust movable bearings are arranged on the two side edges of the second push-pull adapter;

[0020] The second push-pull adapter comprises two side edges and an intermediate connecting plate, the upper surfaces of the two side edges are respectively provided with thrust movable bearings through connecting vertical rods, the interval between the two thrust movable bearings is greater than the width of the product, and reliable push-pull force on the product is ensured.

[0021] After the product enters the product feeding and guiding mechanism, the product feeding and guiding mechanism and the product linear feeding and discharging linear module are synchronously operated to transfer the product to the lower side of the lens body, the view threshold of the lens body covers the product, then the product feeding and guiding mechanism retreats, at this time, the product is in the 180° state, the YZ combined module and the X-axis push-pull module respectively apply a pushing and pulling force to the product, the lens body takes a photo for detection, then the turnover lever is used to turn over the hinge from 180° to 0°, the YZ combined module and the X-axis push-pull module respectively apply a pushing and pulling force to the product, and the lens body takes a photo for detection; after the 0° and 180° closing and opening test is completed, the product is sent out by the product feeding and discharging module, the product fixing mechanism is manually loosened, and the product is taken out; the product folding screen hinge is tested for hinge reliability in the 0° and 180° states, whether the hinge is firmly and reliably linked is detected online, and whether the deformation of the hinge meets the factory standard is detected by applying a pressing force to the hinge, the detection efficiency is high, and the detection is accurate and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a perspective view of the present application;

[0023] Figure 2 It is a perspective view of the present application (without a shell);

[0024] Figure 3 It is a perspective view of the YZ module structure of the present application;

[0025] Figure 4 It is a perspective view of the X-axis push-pull module of the present application;

[0026] Figure 5 It is a perspective view of the product feeding and discharging module of the present application;

[0027] Figure 6 It is a perspective view of the hinge automatic turnover mechanism of the present application;

[0028] Figure 7 It is a perspective view of the product feeding and guiding mechanism of the present application;

[0029] Figure 8 It is a perspective view of the visual camera assembly of the present application;

[0030] The names corresponding to the serial numbers in the figure are as follows:

[0031] The base 10, the YZ combined module 20, the Y-axis screw module 21, the Z-axis screw module 22, the first motion drag chain 23, the first force sensor 24, the first push-pull adapter 25, the lower convex positioning piece 251, the first connecting frame 26, the X-axis push-pull module 30, the X-axis module 31, the forward and backward sliding table cylinder 32, the second force sensor 33, the second push-pull adapter 34, the side edge 341, the middle connecting plate 342, the connecting vertical rod 343, the thrust movable bearing 35, the second connecting block 36, the product in-out module 40, the product in-out linear module 41, the product lifting platform 42, the product fixing carrier 43, the automatic rotation mechanism 50, the rotation position avoidance sliding table cylinder 51, the rotation cylinder 52, the rotation lever 53, the product in-feed guide mechanism 60, the forward and backward cylinder 61, the product in-feed jig 62, the spring plunger 63, and the visual camera assembly 70, the camera support 71, the height adjustment sliding table 72, the camera body 73, the lens body 74, the machine shell 80, the equipment pneumatic button 81, the in-feed port 82, the safety grating 90, the product 100, and the industrial computer 110. DETAILED DESCRIPTION

[0032] A visual detection device for the virtual angle of a mobile phone rotating shaft is shown in Figures 1-8 which comprises a base 10, a YZ combined module 20, an X-axis push-pull module 30, a product in-out module 40, an automatic rotation mechanism 50, a product in-feed guide mechanism 60, and a visual camera assembly 70.

[0033] The YZ combined module 20 comprises a Y-axis screw module 21, a Z-axis screw module 22, a first motion drag chain 23, a first force sensor 24, and a first push-pull adapter 25.

[0034] The X-axis push-pull module 30 comprises an X-axis module 31, a forward and backward sliding table cylinder 32, a second force sensor 33, and a second push-pull adapter 34, and corresponding thrust movable bearings 35 are installed on the two side edges of the second push-pull adapter 34.

[0035] The product in-out module 40 comprises a product in-out linear module 41, a product lifting platform 42, and a product fixing carrier 43, the output end of the product in-out linear module 41 is connected with the product lifting platform 42, the output end of the product lifting platform 42 is fixedly connected with the product fixing carrier 43, and the product fixing carrier 43 is used for fixing one end of the product 100.

[0036] The automatic rotation mechanism 50 comprises a rotation position avoidance sliding table cylinder 51, a rotation cylinder 52, and a rotation lever 53, the output end of the rotation position avoidance sliding table cylinder 51 is installed with the rotation cylinder 52, the rotating part of the rotation cylinder 52 is fixedly connected with the rotation lever 53, and the rotation lever 53 drives the screen to rotate relative to the rotating shaft under the rotation of the rotation cylinder 52.

[0037] The product feeding guide mechanism 60 comprises a forward and backward cylinder 61, a product feeding jig 62, and two groups of spring plungers 63. The output end of the forward and backward cylinder 61 is fixedly connected with the product feeding jig 62. The product feeding jig 62 is in a C-shaped notch. The upper plate and the lower edge of the C-shaped notch are respectively provided with the spring plungers 63;

[0038] The visual camera assembly 70 comprises a camera bracket 71, a height adjustment sliding table 72, a camera body 73, and a lens body 74. The end of the camera bracket 71 is provided with the height adjustment sliding table 72. The back side of the camera body 73 is embedded in the height adjustment sliding table 72. The lower part of the camera body 73 is fixedly connected with the lens body 74. The lens body 74 is arranged towards the lower part;

[0039] The upper surface of the machine base 10 is provided with the visual camera assembly 70. The machine base 10 is further provided with the YZ combined module 20, the X-axis push-pull module 30, the product feeding and discharging module 40, the automatic rotation shaft overturning mechanism 50, and the product feeding guide mechanism 60;

[0040] The product fixing carrier 43 of the product feeding and discharging module 40 is arranged towards the C-shaped notch of the product feeding jig 62 of the product feeding guide mechanism 60. The spring plungers 63 are used to press and adhere to the two end faces of the product 100. The product feeding guide mechanism 60 cooperates with the product feeding module 40 to move the product 100 to the area below the lens body 74;

[0041] The overturning lever 53 of the automatic rotation shaft overturning mechanism 50 is located directly below the other end face of the product. The overturning lever 53 is used to overturn the hinge from 180° to 0°.

[0042] The first push-pull adapter 25 is arranged directly above the position of the product to be detected and is provided with a lower convex positioning piece 251. The lower convex positioning piece 251 is used to position and connect the product.

[0043] The thrust movable bearing 35 of the second push-pull adapter 34 is arranged on both sides of the product 100.

[0044] In specific implementation, the machine base 10 is covered with a machine shell 80. The machine base 10 is provided with a device pneumatic button 81. The front end face of the machine shell 80 is provided with a feeding port 82. The two sides of the feeding port 82 are provided with safety gratings 90. The safety gratings 90 stop the operation of the device after the hand enters the inside of the machine;

[0045] The inner cavity of the machine base 10 is provided with an industrial computer 110.

[0046] The output end of the Y-axis screw module 21 is fixedly connected with the bottom mounting seat of the Z-axis screw module 22, and the output end of the Z-axis screw module 22 is connected with the first force sensor 24 through the first connecting frame 26, and the other end of the first force sensor 24 is fixedly connected with the first push-pull adapter 25;

[0047] The X-axis module 31 is fixedly connected to the machine base 10, the output end of the X-axis module 31 is fixedly connected with the forward and backward sliding table cylinder 32, the output end of the forward and backward sliding table cylinder 32 is connected with the second force sensor 33 through the second connecting block 36, the other end of the second force sensor 33 is connected with the second push-pull adapter 34, and the corresponding thrust movable bearing 35 is protrudingly arranged on the two side edges of the second push-pull adapter 34.

[0048] The second push-pull adapter 34 comprises two side edges 341 and a middle connecting plate 342, the upper surfaces of the two side edges 341 are respectively provided with the thrust movable bearing 35 through the connecting vertical rod 343, the interval between the two thrust movable bearings 35 is greater than the width of the product 100, and reliable push-pull force can be applied to the product 100.

[0049] The working principle is as follows: the product enters or exits the feeding module to the feeding position, the shaft is fixed on the product fixing carrier by manual operation, then the product is driven to enter the product feeding guide mechanism, then the product feeding guide mechanism and the product linear feeding and discharging linear module are synchronously operated to transfer the product to the lower side of the lens body, the lens body covers the product, then the product feeding guide mechanism is retracted, at this time, the product is in a 180° state, the YZ combined module and the X-axis push-pull module respectively apply a push-pull force to the product, the lens body takes a photo for detection, then the turnover lever is used to turn the hinge from 180° to 0°, the product lifting platform is raised, so that the height of the thrust movable bearing 35 corresponds to the height of the product, the YZ combined module and the X-axis push-pull module respectively apply a push-pull force to the product, and the lens body takes a photo for detection; after the 0° and 180° closing and opening tests are completed, the product is sent out by the product feeding and discharging module, the product fixing mechanism is manually loosened, and the product is taken out; the shaft reliability test of the finished product folding screen shaft is carried out at 0° and 180°, whether the linkage of the shaft is firm and reliable is detected online, whether the deformation of the shaft meets the factory standard is detected by applying a pressing force to the shaft, the detection efficiency is high, and the detection is accurate and reliable.

[0050] The device is a newly developed new type of device, and there is no device on the market that can test at 180° and 0° angles, and has good compatibility, the production test cycle is fast, the motion components are controlled by screw modules, the precision is high, the stability is good, the sensor precision of the measured force value is ±0.3% F.S, the test data is reliable; the device screw module is composed of an absolute value servo motor, which has high precision and stable operation; the data of the completed shaft is saved in real time, which is convenient for manual checking or rechecking.

[0051] It will be obvious to a person skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments and can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims to the identity of the reference signs therein.

[0052] Furthermore, it should be understood that although the description is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A mobile phone pivot shaft virtual angle of rotation visual inspection device, characterized in that, It includes: Machine base; YZ combination module, including Y-axis screw module, Z-axis screw module, first motion drag chain, first force sensor, first push-pull adapter; X-axis push-pull module, including X-axis module, forward and backward sliding table cylinder, second force sensor, second push-pull adapter, corresponding thrust movable bearing is convexly installed on both sides of the second push-pull adapter; Product in and out of the material module, including product in and out of the material linear module, product lifting platform, product fixed carrier, the output end of the product in and out of the material linear module is connected with the product lifting platform, the output end of the product lifting platform is fixed with product fixed carrier, the product fixed carrier is used for fixing one end of the product; Automatic rotation mechanism of rotation shaft, including front position avoidance sliding table cylinder, face turning rotary cylinder, face turning lever, the output end of the front position avoidance sliding table cylinder is installed with the face turning rotary cylinder, the rotating part of the face turning rotary cylinder is fixed with the face turning lever, the face turning lever drives the screen to rotate relative to the rotation shaft under the rotation of the face turning rotary cylinder; Product in-feed guide mechanism, including forward and backward cylinder, product in-feed jig, two groups of spring plungers, the output end of the forward and backward cylinder is fixedly connected with the product in-feed jig, the product in-feed jig is a C-shaped notch, the C-shaped notch is arranged with the spring plungers at the upper plate and the lower edge position respectively; And visual camera assembly, including camera support, height adjustment sliding table, camera body, lens body, the end of the camera support is provided with height adjustment sliding table, the back side of the camera body is embedded in the height adjustment sliding table, the lower part of the camera body is fixedly connected with the lens body, and the lens body is arranged downward; The upper surface of the machine base is provided with a visual camera assembly in the central area, and the machine base is also provided with a YZ combination module, an X-axis push-pull module, a product in and out of the material module, an automatic rotation mechanism of rotation shaft, and a product in-feed guide mechanism; The product fixed carrier of the product in and out of the material module is arranged towards the C-shaped notch of the product in-feed jig of the product in-feed guide mechanism, and the spring plungers are used for pressing and attaching the two end faces of the product, the product in-feed guide mechanism cooperates with the product in-feed module to move the product to the area below the lens body; The face turning lever of the automatic rotation mechanism of rotation shaft is located directly below the other end face of the product, and the face turning lever is used for turning the hinge from 180° to 0°; The first push-pull adapter is arranged directly above the position of the product to be detected, and is provided with a lower convex positioning piece, which is used for positioning the connected product; The thrust movable bearings of the second push-pull adapter are arranged on both sides of the product.

2. The visual detection device for virtual angle of rotation of a mobile phone rotating shaft according to claim 1, characterized in that: The output end of the Y-axis screw module is fixedly connected with the bottom mounting seat of the Z-axis screw module, the output end of the Z-axis screw module is connected with the first force sensor through the first connecting frame, and the other end of the first force sensor is fixedly connected with the first push-pull adapter.

3. The visual detection device for virtual angle of rotation of a mobile phone rotating shaft according to claim 1, characterized in that: The X-axis module is fixed to the base, the output end of the X-axis module is fixedly connected with the forward-backward sliding table cylinder, the output end of the forward-backward sliding table cylinder is connected with the second force sensor through a second connecting block, the other end of the second force sensor is connected with the second push-pull adapter, and corresponding push force movable bearings are protrudingly arranged on the two side edges of the second push-pull adapter.

4. The visual detection device for virtual angle of rotation of a mobile phone rotating shaft according to claim 1, characterized in that: The second push-pull adapter comprises two side edges and a middle connecting plate, and the upper surfaces of the two side edges are respectively provided with push force movable bearings through connecting vertical rods, and the interval between the two push force movable bearings is greater than the width of the product.

Citation Information

Patent Citations

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