CN209992599U

CN209992599U - Test fixture

Info

Publication number: CN209992599U
Application number: CN201920399874.7U
Authority: CN
Inventors: 明瑞栋; 丁华; 明瑞材
Original assignee: Jiangxi Xinghailong Circuit Board Co Ltd
Current assignee: Jiangxi Xinghailong Circuit Board Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-24
Anticipated expiration: 2029-03-27

Abstract

The application relates to a test fixture. The test fixture comprises a base component, a positioning mechanism, a test mechanism and a driving mechanism; the positioning mechanism is arranged on the base component and used for supporting and positioning a product to be detected; the testing mechanism comprises a sliding seat, a plurality of testing joints and a plurality of flat cables, the sliding seat is connected to the base component in a sliding manner, the testing joints and the flat cables are arranged on the sliding seat, each testing joint is used for abutting against a corresponding testing end of a product to be tested, one end of each flat cable is electrically connected with the corresponding testing joint, and the other end of each flat cable is electrically connected with the wire testing machine; the driving mechanism is arranged on the base component, and the power output end of the driving mechanism is connected with the sliding seat. Because a plurality of connectors are tested simultaneously, the characteristics of small size and thin thickness of a single connector are avoided, meanwhile, the test fixture realizes automatic test of the connectors, manual intervention is not needed in the test process, and the test speed of the connectors is improved.

Description

Test fixture

Technical Field

The application relates to the technical field of testing, in particular to a testing jig.

Background

With the development of the electronic market, more and more mobile terminals enter the daily life of people. The CONNECTOR, i.e. CONNECTOR, is also called CONNECTOR, plug and socket in China as an indispensable matching product of the mobile terminal. The connector is used for connecting the devices of the two active devices so as to transmit current or signals. The connector bridges a communication bridge at a blocked position or among isolated and non-communicated circuits in the circuit, so that current flows and the circuit realizes a preset function. The connector is widely applied to industries such as electric power systems, communication networks, financial manufacturing, elevators, industrial automation, medical equipment, office equipment, household appliances and military manufacturing.

Before the connector product is shipped, the connector needs to be subjected to rigorous testing to ensure that it is a good product. Specifically, after the connector is subjected to the surface mounting technology, the connector needs to be disassembled into individual pieces so as to manually perform performance test on the connector one by one, that is, the connector can only be measured one by one during the performance test. Due to the characteristics of small volume and thin thickness, the testing speed of the connector is low, and the testing efficiency of the connector is low.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a test fixture for the problem of low test speed and test efficiency of the connector.

A test fixture, comprising:

a base assembly;

the positioning mechanism is arranged on the base component and used for supporting and positioning a product to be detected;

the test mechanism comprises a sliding seat, a test connector and flat cables, the sliding seat is connected to the base assembly in a sliding mode, the number of the test connectors and the number of the flat cables are multiple, the test connectors are all arranged on the sliding seat, each test connector is used for abutting against a corresponding test end of the product to be tested, one end of each flat cable is electrically connected with the corresponding test connector, and the other end of each flat cable is electrically connected with a wire tester;

and the driving mechanism is arranged on the base component, and the power output end of the driving mechanism is connected with the sliding seat.

According to the test fixture, the product to be tested can be a connector, when the product to be tested needs to be tested, the product to be tested is firstly placed on the positioning mechanism, and the positioning mechanism supports and positions the product to be tested, so that the product to be tested is ensured to be static relative to the base assembly; then the driving mechanism acts, because the power output end of the driving mechanism is connected with the sliding seat, the driving mechanism drives the sliding seat to slide relative to the base component, because a plurality of testing machine heads are all arranged on the sliding seat, and each testing joint is abutted against the corresponding testing end of the product to be tested when the sliding seat slides to a preset position, so that each testing joint is electrically connected with the corresponding testing end of the product to be tested, and because one end of each flat cable is electrically connected with the corresponding testing joint and the other end is electrically connected with the wire testing machine, the corresponding testing end of the product to be tested is electrically connected to the wire testing machine, and the wire testing machine is used for electrically testing the testing end of the product to be; because the number of the test joints and the number of the flat cables are multiple, the wire tester can test multiple products to be tested at the same time, namely, multiple connectors can be tested at the same time, and the test efficiency of a single connector is greatly improved; because a plurality of connectors are tested simultaneously, the characteristics of small size and thin thickness of a single connector are avoided, meanwhile, the test fixture realizes automatic test of the connectors, manual intervention is not needed in the test process, and the test speed of the connectors is improved.

In one embodiment, the positioning mechanism includes a supporting plate and a positioning element disposed on the supporting plate, the supporting plate is disposed on the base assembly, the supporting plate is used for supporting the product to be measured, and the positioning element is used for positioning the product to be measured, so that the product to be measured is reliably supported and positioned on the positioning mechanism.

In one embodiment, the positioning member is a positioning pin, so that the product to be measured is quickly and reliably positioned on the positioning member, and the structure of the positioning member is simpler.

In one embodiment, the plane of one side of the support plate departing from the base assembly and the plane of one side of the sliding seat departing from the base assembly are located on the same plane, namely, the plane of one side of the support plate departing from the base assembly and the plane of one side of the sliding seat departing from the base assembly are coplanar, so that each test joint is ensured to be opposite to and abutted against the corresponding test end of the product to be tested.

In one embodiment, the base assembly comprises a base, a first slide bar and a second slide bar, the first slide bar and the second slide bar are both arranged on the base, the first slide bar is parallel to the second slide bar, the axial direction of the first slide bar is parallel to the power direction of the power output end of the driving mechanism, the sliding seats are respectively connected to the first slide bar and the second slide bar in a sliding manner, and the supporting plate and the driving mechanism are both arranged on the base so that the sliding seats are connected to the base assembly in a sliding manner.

In one embodiment, the positioning mechanism is located between the first slide bar and the second slide bar, allowing the carriage to slide smoothly relative to the base assembly.

In one embodiment, a plurality of the test joints are arranged on the sliding seat side by side;

the test mechanism still includes the apron, each is located to the apron lid the test connector deviate from one side of slide, in order to be a plurality of test connector is fixed in on the slide, avoid a plurality of test connector to loosen easily from the slide and take off.

In one embodiment, each of the test connectors is one of a USB connector, a TYPE-C connector, a DC connector, or a lightning connector.

In one embodiment, the test fixture further comprises a starting switch, the starting switch is arranged on the base assembly, and the starting switch is connected with the control end of the driving mechanism; the user accessible starting switch control actuating mechanism moves to whether control test fixture tests the product that awaits measuring, has improved test fixture's convenient to use nature.

In one embodiment, the linear deviation of the sliding motion of the sliding seat relative to the base assembly is less than or equal to 0.05mm, so that the sliding precision of the sliding seat relative to the base assembly is high, and the precision of each test joint abutting against the corresponding test end of the product to be tested is ensured.

Drawings

FIG. 1 is a diagram illustrating a test fixture preparing to test a product to be tested according to an embodiment;

FIG. 2 is a schematic view of the test fixture shown in FIG. 1;

FIG. 3 is a cross-sectional view of the test fixture shown in FIG. 2;

fig. 4 is a schematic diagram illustrating the test fixture shown in fig. 1 testing a product to be tested.

Detailed Description

To facilitate an understanding of the present application, the test fixture will be described more fully below with reference to the associated drawings. The preferred embodiments of the test fixture are shown in the figures. However, the test fixture may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the test fixture is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, a test fixture comprises a base assembly, a positioning mechanism, a test mechanism and a driving mechanism; the positioning mechanism is arranged on the base component and used for supporting and positioning a product to be detected; the testing mechanism comprises a sliding seat, a testing connector and flat cables, the sliding seat is connected to the base component in a sliding mode, the number of the testing connectors and the number of the flat cables are multiple, the testing connectors are all arranged on the sliding seat, each testing connector is used for abutting against a corresponding testing end of the product to be tested, one end of each flat cable is electrically connected with the corresponding testing connector, and the other end of each flat cable is electrically connected with the wire tester; the driving mechanism is arranged on the base component, and the power output end of the driving mechanism is connected with the sliding seat.

As shown in fig. 1 and fig. 2, a testing apparatus 10 of an embodiment includes a base assembly 100, a positioning mechanism 200, a testing mechanism 300, and a driving mechanism 400. The positioning mechanism is arranged on the base assembly and used for supporting and positioning the product 20 to be tested, so that the product to be tested is accurately and reliably positioned on the base assembly, and the electrical test precision of the product to be tested is ensured. Referring also to fig. 3, in one embodiment, the test mechanism 300 includes a sled 310, a test connection 320, and a flex cable 330. The sliding seat is connected to the base component in a sliding mode. The test connector with the figure of winding displacement is a plurality of, and is a plurality of the test connector all locates on the slide. As shown in fig. 4, each of the test contacts is configured to abut against a corresponding test end 22 of the product to be tested. One end of each flat cable is electrically connected with the corresponding test joint, and the other end of each flat cable is electrically connected with the wire tester. In one embodiment, a driving mechanism is arranged on the base component, and a power output end of the driving mechanism is connected with the sliding seat.

According to the test fixture, the product to be tested can be a connector, when the product to be tested needs to be tested, the product to be tested is firstly placed on the positioning mechanism, and the positioning mechanism supports and positions the product to be tested, so that the product to be tested is ensured to be static relative to the base assembly; and then the driving mechanism acts, because the power output end of the driving mechanism is connected with the sliding seat, the driving mechanism drives the sliding seat to slide relative to the base component, because a plurality of test heads are arranged on the sliding seat, and each test joint is abutted against the corresponding test end of the product to be tested when the sliding seat slides to a preset position, so that each test joint is electrically connected with the corresponding test end of the product to be tested, and because one end of each flat cable is electrically connected with the corresponding test joint and the other end of each flat cable is electrically connected with the wire tester, the corresponding test end of the product to be tested is electrically connected to the wire tester, and the wire tester is used for electrically testing the test end of the product to be. Because the number of the test joints and the number of the flat cables are multiple, the wire tester can test a plurality of products to be tested at the same time, namely, a plurality of connectors can be tested at the same time, and the test efficiency of a single connector is greatly improved. Because a plurality of connectors are tested simultaneously, the characteristics of small size and thin thickness of a single connector are avoided, meanwhile, the test fixture realizes automatic test of the connectors, manual intervention is not needed in the test process, and the test speed of the connectors is improved.

Referring again to fig. 2, in order to reliably support and position the product to be tested on the positioning mechanism, in one embodiment, the positioning mechanism 200 includes a supporting plate 210 and a positioning member 220 disposed on the supporting plate. The supporting plate is arranged on the base component and used for supporting the product to be detected, and the positioning piece is used for positioning the product to be detected so that the product to be detected can be reliably supported and positioned on the positioning mechanism.

As shown in fig. 2, in order to quickly and reliably position the product to be measured on the positioning element and make the structure of the positioning element simpler, in one embodiment, the positioning element 220 is a positioning pin, so that the product to be measured is quickly and reliably positioned on the positioning element and the structure of the positioning element is simpler.

In one of them embodiment, the plane that the backup pad deviates from one side of base subassembly with the plane that deviates from one side of base subassembly of slide is located the coplanar, promptly the backup pad deviate from the plane of one side of base subassembly with the plane coplane that deviates from one side of base subassembly of slide makes arbitrary test end of the product that awaits measuring just to corresponding test joint when the product that awaits measuring is arranged in the backup pad, ensures that each test joint is just contradicted in the corresponding test end of the product that awaits measuring.

It is understood that in other embodiments, the positioning member is not limited to a positioning pin, but may be a positioning block structure. In one embodiment, the positioning element comprises two positioning blocks arranged oppositely, one of the positioning blocks is fixed on the base component, and the other positioning block is connected to the supporting plate in a sliding manner, so that the product to be detected is clamped between the two positioning blocks, and the positioning of the product to be detected is realized.

As shown in fig. 4, in order to slidably connect the slide to the base assembly, in one embodiment, the base assembly 100 includes a base 110, a first slide bar 120 and a second slide bar 130. The first sliding rod and the second sliding rod are arranged on the base, the first sliding rod is parallel to the second sliding rod, and the axial direction of the first sliding rod is parallel to the power direction of the power output end of the driving mechanism. The sliding seats are respectively connected to the first sliding rod and the second sliding rod in a sliding mode, the supporting plate and the driving mechanism are arranged on the base, and the sliding seats are connected to the base assembly in a sliding mode.

In one embodiment, the base comprises a panel, a first side panel, a second side panel, a third side panel and a fourth side panel. The first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected to form a rectangular frame structure. The panel cover is arranged on the frame structure, namely the panel is respectively connected with the first side plate, the second side plate, the third side plate and the fourth side plate. In this embodiment, the panel, the first side plate, the second side plate, the third side plate and the fourth side plate are all bakelite plates. In other embodiments, the panel, the first side plate, the second side plate, the third side plate and the fourth side plate may also be fiberglass plates or polyvinyl chloride plates or polypropylene plates.

In order to make the sliding seat slide smoothly relative to the base component, in one embodiment, the positioning mechanism is positioned between the first slide bar and the second slide bar, so that the sliding seat slides smoothly relative to the base component.

In one embodiment, as shown in fig. 2 and 4, a plurality of test joints are arranged side by side on the carriage. In one embodiment, the testing mechanism 300 further includes a cover plate 340, where the cover plate covers a side of each of the test joints facing away from the carriage, so as to fix the plurality of test joints on the carriage, and prevent the plurality of test joints from being easily released from the carriage. In this embodiment, the cover plate is disposed parallel to the slider, and each test connector is disposed between the cover plate and the slider. As shown in fig. 2, in one embodiment, the cover plate has a through hole 342, and each flat cable is disposed through the through hole, so that each flat cable is better electrically connected to the test connector and the wire tester. In one embodiment, the cover plate is one of a polycarbonate plate, a polyamide plate, a polyoxymethylene plate, a polybutylene terephthalate plate, or a polypropylene plate.

In one embodiment, each of the test connectors is one of a USB connector, a TYPE-C connector, a DC connector, or a lightning connector. In this example, each test linker is a TYPE-C linker.

As shown in fig. 2, in one embodiment, the test fixture 10 further includes a start switch 500, the start switch is disposed on the base assembly, and the start switch is connected to the control end of the driving mechanism. The user accessible starting switch control actuating mechanism moves to whether control test fixture tests the product that awaits measuring, has improved test fixture's convenient to use nature.

As shown in fig. 2, in one embodiment, the driving mechanism 400 includes a cylinder 410 and a fixing rod 420, and a power output shaft of the cylinder is connected with the fixing rod. The cylinder is fixed on the base component. The end part of the fixed rod, far away from the power output shaft of the air cylinder, is connected with the sliding seat, so that the power output end of the driving mechanism is connected with the sliding seat. In other embodiments, the driving mechanism is not limited to a cylinder driving mechanism, but may be a motor screw driving mechanism.

In the present embodiment, the number of the test mechanism, the drive mechanism, and the start switch is two. The two testing structures are respectively positioned at two sides of the positioning mechanism, and the two testing mechanisms can simultaneously test the testing end of a product to be tested on the positioning mechanism. The sliding seats of the two testing mechanisms are connected to the base component in a sliding mode. The two driving mechanisms respectively drive the sliding seats of the corresponding testing mechanisms to slide relative to the base component. Each starting switch is connected with the control end of the corresponding driving mechanism to control the corresponding driving action.

As shown in fig. 2, in one embodiment, the testing fixture 10 further includes an emergency switch 600, which is disposed on the base and connected to the control terminal of the driving mechanism, so that the emergency switch is electrically connected to the control terminal of the driving mechanism, and a user can control the driving mechanism to be turned off through the emergency switch, so as to control the testing fixture to interrupt the test quickly. When the product to be tested is not completely positioned on the positioning mechanism and the starting switch is pressed, the user can control the test fixture to quickly interrupt the test through the emergency switch. In this embodiment, the emergency switch is electrically connected to the control terminals of the two driving mechanisms, so that the emergency switch can control the two driving mechanisms to be turned off simultaneously.

As shown in fig. 2, in one embodiment, the testing fixture 10 further includes a timer 700, which is disposed on the base and is electrically connected to the wire testing machine, and is used for measuring a time length of the wire testing machine for testing the electrical performance of the product to be tested.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A test fixture, comprising:

a base assembly;

2. The testing fixture of claim 1, wherein the positioning mechanism comprises a supporting plate and a positioning member disposed on the supporting plate, the supporting plate is disposed on the base assembly, the supporting plate is used for supporting the product to be tested, and the positioning member is used for positioning the product to be tested.

3. The test fixture of claim 2, wherein the positioning member is a positioning pin.

4. The test fixture of claim 2, wherein a plane of a side of the support plate facing away from the base assembly and a plane of a side of the carriage facing away from the base assembly are on a same plane.

5. The test fixture of any one of claims 2 to 4, wherein the base assembly comprises a base, a first slide bar and a second slide bar, the first slide bar and the second slide bar are both disposed on the base, the first slide bar is parallel to the second slide bar, an axial direction of the first slide bar is parallel to a power direction of a power output end of the driving mechanism, the sliding seats are respectively slidably connected to the first slide bar and the second slide bar, and the supporting plate and the driving mechanism are both disposed on the base.

6. The test fixture of claim 5, wherein the positioning mechanism is located between the first slide bar and the second slide bar.

7. The test fixture of any one of claims 1-4, wherein a plurality of the test joints are arranged side by side on the slide;

the test mechanism further comprises a cover plate, wherein the cover plate covers one side of each test joint, which deviates from the sliding seat, so that the test joints are fixed on the sliding seat in a plurality of ways.

8. The test fixture of any one of claims 1-4, wherein each of the test connectors is one of a USB connector, a TYPE-C connector, a DC connector, or a lightning connector.

9. The test fixture of any one of claims 1-4, further comprising an activation switch disposed on the base assembly, the activation switch being connected to the control end of the driving mechanism.

10. The test fixture of any one of claims 1-4, wherein a linear deviation of the slide relative to the base assembly slide is less than or equal to 0.05 mm.