Calibration test fixture for mobile phone mainboard

By using a ball screw pair structure and indicator light system, the problems of inconvenient operation and difficulty in differentiation of existing fixtures have been solved, thus achieving safety and convenience in mobile phone motherboard testing.

CN223786121UActive Publication Date: 2026-01-09JIANGSU XUHONG XINXIN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520349486.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-09
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing mobile phone motherboard calibration and testing fixtures can easily obstruct the view during operation, pose a risk of pinching injury, and make it difficult to conveniently and safely distinguish between qualified and unqualified mobile phone motherboards.

Method used

It adopts a ball screw pair structure and indicator light system. The screw is driven by a rotary motor to move the slide table. Red and green indicator lights distinguish between qualified and unqualified mobile phone motherboards. Safe and convenient operation is achieved through inclined plates and placement slots.

Benefits of technology

It improves operational safety, reduces visual interference, lowers the probability of mixing qualified and unqualified mobile phone motherboards, and enables convenient differentiation and classification.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mobile phone mainboard calibration test fixture, which relates to the technical field of test fixtures, and comprises a base, the top end of the base is fixedly connected with a vertical frame, the front side of the vertical frame is provided with a test mechanism, the top of the vertical frame is provided with a driving mechanism, and the output end of the driving mechanism is fixedly connected with a pressing plate. A groove is formed in the middle of the top end of the base, a rotating motor is installed at one end of the groove, and the output end of the rotating motor is rotationally connected with a lead screw through an arranged coupler. According to the utility model, a series of structures are arranged, so that the sight of an operator is not easily interfered by the vertical frame and the pressing plate, and meanwhile, the safety of placing a mobile phone mainboard by the operator can be improved, so that the operator can conveniently and safely operate the mobile phone mainboard; and meanwhile, the probability that the mobile phone mainboards are confused when being placed by operators is reduced, and the mobile phone mainboards which are tested to be qualified and the mobile phone mainboards which are tested to be unqualified can be placed separately.
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Description

TECHNICAL FIELD

[0001] The utility model relates to test fixture technical field, concretely is a kind of mobile phone mainboard calibration test fixture. BACKGROUND

[0002] Mobile phone mainboard calibration test refers to ensuring the functionality and performance of mobile phone mainboard to meet standards through a series of tests. Since the calibration test process includes many steps and test items, and the mobile phone mainboard is still in the state of circuit board, in order to better test the mobile phone mainboard, the mobile phone mainboard is usually placed in a dedicated test fixture to facilitate better testing of the mobile phone mainboard.

[0003] However, the existing fixture for mobile phone mainboard calibration test usually needs to move and place the mobile phone mainboard on a test fixture with limited space, and the location of the fixture can interfere with the quick placement of the mainboard in the line of sight. Meanwhile, when placing the mobile phone mainboard on a fixture with high automation, it is easy to be pinched, which is not convenient and safe for the operator to operate. In addition, when the existing fixture for mobile phone mainboard calibration test detects unqualified mobile phone mainboards, it usually classifies and places qualified and unqualified mobile phone mainboards. However, since the placement area is usually set on both sides of the fixture, and the size and shape are not distinguished, the operator is easy to confuse during operation, which leads to the mixing of qualified and unqualified mobile phone mainboards, and is not conducive to the differentiation of qualified and unqualified mobile phone mainboards. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of mobile phone mainboard calibration test fixture to solve the problems raised in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of mobile phone mainboard calibration test fixture, including base, the top of the base is fixedly connected with vertical frame, the front of the vertical frame is installed with test mechanism, the top of the vertical frame is installed with driving mechanism, the output of the driving mechanism is fixedly connected with pressing plate, the middle part of the base top is provided with recess, one end of the recess is installed with rotating motor, the output of the rotating motor is rotatably connected with lead screw by the shaft coupling provided, the outer side of the lead screw is equipped with nut, the outer side of the nut is equipped with sleeve block, the top of the sleeve block is fixedly connected with sliding table, the top of the sliding table is provided with clamp, one side of the base top is provided with placing groove, one side of the placing groove is provided with red indicator light, the side wall of the base is provided with opening, the inner wall of the opening is fixedly connected with inclined plate, one side of the inclined plate is provided with green indicator light.

[0006] Preferably, the sleeve block is connected with the groove through a lead screw and a nut, and the sliding table is connected with the base through the sleeve block.

[0007] Preferably, the green indicator light and the red indicator light are electrically connected with the testing mechanism through a controller.

[0008] Preferably, a pull-out plate is connected with the inner side of the placing groove, and a rubber pad is fixedly connected with the bottom of the inner side of the pull-out plate.

[0009] Preferably, the pressing plate is connected with the vertical frame through a driving mechanism, and the pressing plate is connected with the sliding table cover through the vertical frame.

[0010] Preferably, a steel ball, a pre-pressing piece, a reverser and a dustproof device are further installed in the nut, and the nut is connected with the lead screw through the steel ball, the pre-pressing piece, the reverser and the dustproof device.

[0011] Preferably, the red indicator light and the green indicator light are fixedly installed at the top end of the base.

[0012] Compared with the prior art, the mobile phone mainboard calibration test fixture has the following beneficial effects:

[0013] The mobile phone mainboard calibration test fixture comprises a base, a vertical frame, a sliding table, a lead screw, a nut, a driving mechanism, a pressing plate, a test mechanism, a sleeve block, a groove, a red indicator light, a pull-out plate, a placing groove, a green indicator light and an opening.

[0014] The mobile phone mainboard calibration test fixture comprises a base, a vertical frame, a sliding table, a lead screw, a nut, a driving mechanism, a pressing plate, a test mechanism, a sleeve block, a groove, a red indicator light, a pull-out plate, a placing groove, a green indicator light and an opening. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the mobile phone mainboard calibration test fixture.

[0016] Fig. 2 It is a sliding table and lead screw structure schematic view of the mobile phone mainboard calibration test fixture.

[0017] Fig. 3The utility model discloses a red light and green light structure schematic view.

[0018] Fig. 4 The utility model discloses a placing groove and inclined plate structure schematic view.

[0019] In the drawing: 1, vertical frame, 2, pressing plate, 3, recess, 4, screw rod, 5, sliding table, 6, clamp, 7, opening, 8, inclined plate, 9, green indicator lamp, 10, red indicator lamp, 11, placing groove, 12, pull-out plate, 13, base, 14, driving mechanism, 15, rotary motor, 16, sleeve block, 17, nut, 18, test mechanism. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] For example, Figs. 1 to 4As shown, the mobile phone mainboard calibration test fixture of the embodiment comprises a base 13, the top end of the base 13 is fixedly connected with a vertical frame 1, the front surface of the vertical frame 1 is mounted with a test mechanism 18, the top of the vertical frame 1 is mounted with a driving mechanism 14, the output end of the driving mechanism 14 is fixedly connected with a pressing plate 2, the middle part of the top end of the base 13 is provided with a groove 3, one end of the groove 3 is mounted with a rotary motor 15, the output end of the rotary motor 15 is rotatably connected with a lead screw 4 through a coupler arranged, the outer side of the lead screw 4 is provided with a nut 17, the outer side of the nut 17 is sleeved with a sleeve block 16, the top end of the sleeve block 16 is fixedly connected with a sliding table 5, the top end of the sliding table 5 is provided with a clamp 6, one side of the top end of the base 13 is provided with a placing groove 11, one side of the placing groove 11 is provided with a red indicator light 10, one side wall of the base 13 is provided with an opening 7, the inner wall of the opening 7 is fixedly connected with an inclined plate 8, one side of the inclined plate 8 is provided with a green indicator light 9.

[0024] Specifically, the vertical frame 1 serves to support the test mechanism 18 and the pressing plate 2 and the like, and provides a stable test environment for the test, the pressing plate 2 serves to contact the contact points on the test mechanism 18 with the contact points on the mobile phone mainboard placed on the clamp 6, so as to realize the test of the mobile phone mainboard, the groove 3 serves to provide space for the rotation of the lead screw 4, and can limit the sliding of the sleeve block 16, so as to improve the stability of the sliding table 5 when sliding, the sleeve block 16 serves to enable the nut 17 to be connected with the sliding table 5, so that the sliding table 5 can slide along the groove 3 synchronously with the sleeve block 16 under the driving of the nut 17, so as to realize the sliding in and out of the clamp 6 from the vertical frame 1, thereby facilitating the operator to place the mobile phone mainboard on the clamp 6, and improving the safety of the operator when operating, the placing groove 11 serves to facilitate the placement of unqualified products after the test, and can facilitate subsequent secondary detection, so as to reduce accidental errors in the test process.

[0025] Further, the sleeve block 16 is slidably connected with the groove 3 through the lead screw 4 and the nut 17, and the sliding table 5 is slidably connected with the base 13 through the sleeve block 16, so that the sliding table 5 can slide along the top end of the base 13, and the clamp 6 on the sliding table 5 can drive the mobile phone mainboard to be tested to slide to below the pressing plate 2 in the vertical frame 1, so as to realize the test of the mobile phone mainboard.

[0026] Further, the green indicator light 9 and the red indicator light 10 are electrically connected with the test mechanism 18 through a controller, so that the green indicator light 9 and the red indicator light 10 can perform the brightening and dimming actions according to the test result of the mobile phone mainboard, so as to facilitate the distinction between qualified products and unqualified products.

[0027] Further, the inner side of the placing groove 11 is slidably connected with a pull plate 12, the bottom of the inner side of the pull plate 12 is fixedly connected with a rubber pad, and the pull plate 12 is used for conveniently taking out the unqualified mobile phone mainboard in the placing groove 11 from the base 13, thereby facilitating the retest of the unqualified mobile phone mainboard.

[0028] Further, the pressing plate 2 is slidably connected with the vertical frame 1 through the driving mechanism 14, and the pressing plate 2 is movably connected with the sliding table 5 through the vertical frame 1, and the pressing plate 2 is used for making the contact points on the testing mechanism 18 contact with the contact points on the mobile phone mainboard, thereby facilitating the detection of the contact points on the mobile phone mainboard.

[0029] Further, the inner side of the placing groove 11 is slidably connected with a pull plate 12, the bottom of the inner side of the pull plate 12 is fixedly connected with a rubber pad, and the pull plate 12 is used for conveniently taking out the unqualified mobile phone mainboard in the placing groove 11 from the base 13, thereby facilitating the retest of the unqualified mobile phone mainboard.

[0030] Further, the red indicator lamp 10 and the green indicator lamp 9 are fixedly installed at the top end of the base 13, so that the red indicator lamp 10 and the green indicator lamp 9 can be displayed on the base 13, thereby facilitating the operator to check the on-off state of the indicator lamp, and further reducing the probability that the operator mixes up the qualified products and the unqualified products.

[0031] The use method of the embodiment is as follows: before using the mobile phone mainboard calibration test fixture, the fixture needs to be connected with an external power supply, then the rotating motor 15 is rotated to drive the lead screw 4 to rotate clockwise, the nut 17 on the lead screw 4 drives the sleeve block 16 to slide along the groove 3, the sleeve block 16 drives the sliding table 5 to slide out of the vertical frame 1, the clamp 6 on the sliding table 5 is synchronously slid out of the vertical frame 1, then the operator can clamp the mobile phone mainboard to be tested on the clamp 6, then the rotating motor 15 drives the lead screw 4 to rotate counterclockwise, the sleeve block 16 slides back under the action of the nut 17, the sliding table 5 drives the clamp 6 and the mobile phone mainboard on the clamp 6 to move to the lower side of the pressing plate 2, then the pressing plate 2 moves to the mobile phone mainboard under the drive of the driving mechanism 14, until the contact points on the pressing plate 2 contact with the contact points on the mobile phone mainboard, the mobile phone mainboard is connected with the testing mechanism 18 and starts to test, after the mobile phone mainboard completes the test, the sliding table 5 slides out of the vertical frame 1 under the action of the lead screw 4, and the red indicator lamp 10 or the green indicator lamp 9 connected with the testing mechanism 18 is lit, if the red indicator lamp 10 is lit, the operator needs to take down the mobile phone mainboard on the clamp 6 and place it in the placing groove 11, if the green indicator lamp 9 is lit, the mobile phone mainboard can be placed on the inclined plate 8, so that the qualified mobile phone mainboard slides to the opening 7 through the inclined plate 8 and then slides out of the fixture along the opening 7.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A mobile phone mainboard calibration test fixture, comprising a base (13), characterized in that: The top end of the base (13) is fixedly connected with a vertical frame (1), the front surface of the vertical frame (1) is mounted with a test mechanism (18), the top of the vertical frame (1) is mounted with a driving mechanism (14), the output end of the driving mechanism (14) is fixedly connected with a pressing plate (2), the middle part of the top end of the base (13) is provided with a groove (3), one end of the groove (3) is mounted with a rotary motor (15), the output end of the rotary motor (15) is rotatably connected with a lead screw (4) through the coupler, the outer side of the lead screw (4) is provided with a nut (17), the outer side of the nut (17) is sleeved with a sleeve block (16), the top end of the sleeve block (16) is fixedly connected with a sliding table (5), the top end of the sliding table (5) is provided with a clamp (6), one side of the top end of the base (13) is provided with a placing groove (11), one side of the placing groove (11) is provided with a red indicator light (10), one side wall of the base (13) is provided with an opening (7), the inner wall of the opening (7) is fixedly connected with an inclined plate (8), one side of the inclined plate (8) is provided with a green indicator light (9).

2. The handset mainboard calibration test fixture of claim 1, wherein: The sleeve block (16) is slidably connected with the groove (3) through the lead screw (4) and the nut (17), and the sliding table (5) is slidably connected with the base (13) through the sleeve block (16).

3. The handset mainboard calibration test fixture of claim 1, wherein: The green indicator light (9) and the red indicator light (10) are electrically connected with the test mechanism (18) through the controller.

4. The handset mainboard calibration test fixture of claim 1, wherein: The inside of the placing groove (11) is slidably connected with a pull-out plate (12), and the bottom of the inside of the pull-out plate (12) is fixedly connected with a rubber pad.

5. The handset mainboard calibration test fixture of claim 1, wherein: The pressing plate (2) is slidably connected with the vertical frame (1) through the driving mechanism (14), and the pressing plate (2) is movably connected with the sliding table (5) through the vertical frame (1).

6. The handset mainboard calibration test fixture of claim 1, wherein: The inside of the nut (17) is also mounted with a steel ball, a pre-pressing piece, a reverser and a dustproof device, and the nut (17) is slidably connected with the lead screw (4) through the steel ball, the pre-pressing piece, the reverser and the dustproof device.

7. The handset mainboard calibration test fixture of claim 1, wherein: The red indicator light (10) and the green indicator light (9) are fixedly installed on the top end of the base (13).