CN215728310U

CN215728310U - Multifunctional transistor test fixture

Info

Publication number: CN215728310U
Application number: CN202122048204.0U
Authority: CN
Inventors: 黄赛琴; 黄福仁; 陈轮兴
Original assignee: Fujian Angstrem Microelectronics Co ltd
Current assignee: Fujian Angstrem Microelectronics Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-02-01
Anticipated expiration: 2031-08-28

Abstract

The utility model discloses a multifunctional transistor test fixture which comprises a test board, a workbench, support legs, a driving motor, a rotary table and clamping assemblies, wherein the support legs are symmetrically arranged below the workbench, the driving motor is arranged below the center of the workbench, the test board is symmetrically arranged at the top of the workbench, and the clamping assemblies are symmetrically arranged at the top of the rotary table. The utility model belongs to the technical field of transistor testing, and particularly relates to a multifunctional transistor testing clamp which realizes fixed clamping through an air bag and avoids transistor damage.

Description

Multifunctional transistor test fixture

Technical Field

The utility model belongs to the technical field of transistor testing, and particularly relates to a multifunctional transistor testing clamp.

Background

The transistor is a solid semiconductor device, including diode, triode, field effect transistor, thyristor etc. refer in particular to bipolar device sometimes, have multiple functions such as detection, rectification, amplification, switch, steady voltage, signal modulation, when the test of transistor finished product, need each utmost point to the transistor, also be each terminal and carry out electrical test to accomplish the detection of transistor quality, adopt the manual rotatory screw rod control panel to remove at present mostly, it is fixed to realize the transistor centre gripping, this kind of fixed mode, cause the transistor to damage very easily, lead to the test result error, influence the accuracy of test result.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a multifunctional transistor test fixture which realizes fixed clamping through an air bag and avoids the damage of a transistor.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: a multifunctional transistor test fixture comprises a test board, a workbench, support legs, a driving motor, a rotary table and clamping assemblies, wherein the support legs are symmetrically arranged below the workbench, the driving motor is arranged below the center of the workbench, the test board is symmetrically arranged at the top of the workbench, and the clamping assemblies are symmetrically arranged at the top of the rotary table; the clamping assembly comprises an exhaust pipe, a miniature air pump, a clamping air bag, a limiting plate and side plates, the side plates are symmetrically arranged at the top of the rotating platform, the limit plates are symmetrically arranged on the side surfaces of the side plates, the micro air pump is arranged on the side surface of the side plate far away from the limit plates, the exhaust pipe penetrates through the upper end of the side plate, the miniature air pump is arranged in the middle of the outer side surface of the side plate, the exhaust end of the miniature air pump penetrates through the lower end of the side plate, the clamping air bag is respectively sleeved on the exhaust pipe and the exhaust end of the micro air pump, the clamping air bag is arranged between the limiting plates, the micro air pump pumps the outside air, and the transistor is sent into the clamping air bag to expand the clamping air bag, the transistor is fixed by the clamping air bag, the flexibility of the air bag is utilized to greatly avoid the phenomenon that when the transistor is clamped and fixed, the transistor is damaged, the safety of the transistor is guaranteed, and the reliability of the transistor test is improved.

Furthermore, the upper end of the side surface of the supporting leg is provided with a ribbed plate.

Furthermore, the exhaust cover is detachably sleeved at one end, far away from the clamping air bag, of the exhaust pipe, so that the filled air in the clamping air bag can be conveniently discharged.

Furthermore, the outlet of the port of the air exhaust end of the miniature air pump is sleeved with an air inlet filter bin, so that impurities are prevented from entering the clamping air bag.

The utility model adopts the structure to obtain the following beneficial effects: the multifunctional transistor test fixture provided by the utility model is simple to operate, compact in mechanism and reasonable in design, the miniature air pump pumps outside air and sends the air into the clamping air bag to expand the clamping air bag, the transistor is fixed by the clamping air bag, and the transistor can be greatly prevented from being damaged when being clamped and fixed by the flexibility of the air bag, so that the safety of the transistor is ensured, and the reliability of transistor test is improved.

Drawings

FIG. 1 is a general structure diagram of a multi-functional transistor test fixture according to the present invention;

FIG. 2 is a top view of the multi-functional transistor test fixture of the present invention.

The device comprises a test board 1, a test board 2, a workbench 3, supporting legs 4, a driving motor 5, a rotary table 6, a clamping assembly 7, an exhaust pipe 8, a miniature air pump 9, a clamping air bag 10, a limiting plate 11, a side plate 12, a rib plate 13, an exhaust hood 14 and an air inlet filter cabin.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the multifunctional transistor testing fixture of the present invention comprises a testing board 1, a workbench 2, supporting legs 3, a driving motor 4, a rotating table 5 and clamping assemblies 6, wherein the supporting legs 3 are symmetrically arranged under the workbench 2, the driving motor 4 is arranged under the center of the workbench 2, the testing board 1 is symmetrically arranged on the top of the workbench 2, and the clamping assemblies 6 are symmetrically arranged on the top of the rotating table 5; centre gripping subassembly 6 includes blast pipe 7, miniature air pump 8, centre gripping gasbag 9, limiting plate 10 and

curb plate

11, 5 tops on the revolving stage are located to 11 symmetries of curb plate, the curb plate 11 side is located to the limiting plate 10 symmetry on, miniature air pump 8 is located curb plate 11 and is kept away from on the side of limiting plate 10, blast pipe 7 runs through 11 upper ends of curb plate and sets up, 11 lateral surface middle parts of curb plate are located to miniature air pump 8, the setting of 11 lower extremes of curb plate is run through to 8 exhaust one ends of miniature air pump, centre gripping gasbag 9 cup joints respectively on

blast pipe

7 and 8 exhaust ends of miniature air pump, centre gripping gasbag 9 is located between the limiting plate 10.

The upper end of the side surface of the supporting leg 3 is provided with a ribbed plate 12.

And an exhaust hood 13 is detachably sleeved at one end of the exhaust pipe 7 far away from the clamping air bag 9.

An air inlet filter bin 14 is sleeved at the outlet of the air exhaust end of the miniature air pump 8.

During the specific use, at first, hand-held transistor places between centre gripping gasbag 9, later start miniature air pump 8, miniature air pump 8 extracts the outside air, and send into in the centre gripping gasbag 9, make centre gripping gasbag 9 inflation, utilize centre gripping gasbag 9 to accomplish the fixed of transistor, then start driving motor 4, driving motor 4 passes through revolving stage 5 control transistor and removes to survey test panel 1 department, begin to test the transistor, after the test, take off exhaust hood 13, the air in the centre gripping gasbag 9 passes through blast pipe 7 and discharges, the transistor falls at revolving stage 5 top.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a multi-functional transistor test fixture which characterized in that: the device comprises a test board, a workbench, support legs, a driving motor, a rotating table and clamping assemblies, wherein the support legs are symmetrically arranged below the workbench, the driving motor is arranged below the center of the workbench, the test board is symmetrically arranged at the top of the workbench, and the clamping assemblies are symmetrically arranged at the top of the rotating table; the centre gripping subassembly includes blast pipe, miniature air pump, centre gripping gasbag, limiting plate and curb plate, the revolving stage top is located to the curb plate symmetry, the limiting plate symmetry is located on the curb plate side, miniature air pump is located on the curb plate keeps away from the side of limiting plate, the blast pipe runs through the curb plate upper end setting, curb plate lateral surface middle part is located to miniature air pump, the setting of curb plate lower extreme is run through to miniature air pump exhaust one end, the centre gripping gasbag cup joints respectively on blast pipe and miniature air pump exhaust end, the centre gripping gasbag is located between the limiting plate.

2. The multifunctional transistor test fixture of claim 1, wherein: and rib plates are arranged at the upper ends of the side surfaces of the supporting legs.

3. The multifunctional transistor test fixture of claim 2, wherein: the exhaust pipe is away from the one end of centre gripping gasbag and can dismantle the cup joint and be equipped with the exhaust hood.

4. The multifunctional transistor test fixture of claim 3, wherein: the outlet of the air exhaust end port of the miniature air pump is sleeved with an air inlet filter bin.