CN212905012U

CN212905012U - Protection device of chip test fixture

Info

Publication number: CN212905012U
Application number: CN202021391564.XU
Authority: CN
Inventors: 蒋继华
Original assignee: Suzhou Judian Intelligent Technology Co ltd
Current assignee: Suzhou Judian Intelligent Technology Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-06
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a chip test fixture's protection device relates to chip detection technical field, including examining test table, examine test table's bottom surface fixedly connected with motor fixing base, the last fixed surface of motor fixing base is connected with the motor, the output fixedly connected with axis of rotation of motor, and two symmetrical screw threads have been seted up to the surface of axis of rotation, and every screw thread surface all meshes and is connected with the traveling nut, examines test table's upper surface and has seted up the spout, the equal fixedly connected with slider in upper surface of every traveling nut, the last fixed surface of every slider is connected with the fixed plate. The utility model relates to a rational in infrastructure, it can adjust the distance between clamp plate and the fixed plate through setting up threaded rod and adjusting nut, not only makes the fixed plate can the chip of the different thickness of centre gripping, improves the suitability, makes fixed plate centre gripping chip more firm moreover, and is stable, has the guard action to the chip, makes the detection precision higher simultaneously.

Description

Protection device of chip test fixture

Technical Field

The utility model relates to a chip detects technical field, specifically is a chip test fixture's protection device.

Background

After the invention of the transistor is produced in large quantities, various solid semiconductor components such as diodes, transistors and the like are used in large quantities, and the functions and roles of the vacuum tube in the circuit are replaced. By the middle and late 20 th century, semiconductor manufacturing technology advances, making integrated circuits possible. It is a great advance that integrated circuits can integrate a very large number of micro-transistors into a single small chip, as opposed to manually assembling the circuits using individual discrete electronic components. The large-scale production capacity, reliability and modularity of circuit design of integrated circuits ensures that standardized integrated circuits are rapidly adopted instead of discrete transistors used for the design.

Current small-size chip test fixture often is mounting fixture, can not adapt to the chip of different thickness well, and when the actual tight test of clamp, the chip can rock in anchor clamps, not only can lead to detecting the precision reduction, more probably can damage the chip, causes certain loss. To this end, we provide a protection device for a chip test fixture to solve the above problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a protection device of chip test fixture in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chip test fixture's protection device, is including examining test table, examine the bottom surface fixedly connected with motor fixing base of test table, the last fixed surface of motor fixing base is connected with the motor, the output fixedly connected with axis of rotation of motor, two symmetrical screw threads, every are seted up to the surface of axis of rotation the equal meshing of screw thread surface is connected with the removal nut, examine test table's upper surface and seted up the spout, every the equal fixedly connected with slider of upper surface of removal nut, every the last fixed surface of slider is connected with the fixed plate, two the equal sliding connection in one side that the fixed plate is close to each other has the clamp plate, every the equal fixedly connected with threaded rod in upper surface of fixed plate, every the one end that the fixed plate was kept away from to the threaded rod all runs through the.

Further, the bottom surface fixedly connected with fixed block of examining the platform, the inside fixed mosaic of fixed block has the bearing.

Furthermore, the inner ring of the bearing is fixedly connected with the outer surface of the rotating shaft.

Furthermore, the upper surface of the detection table is fixedly connected with a support, and the front surface of the support is fixedly connected with a detection probe.

Furthermore, the bottom surface of the detection table is fixedly connected with four support legs in a rectangular array.

Furthermore, three radiating holes which are arranged at equal intervals are formed in the side surface of the motor fixing seat.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the protection device of the chip test fixture has the following beneficial effects:

the utility model discloses a set up threaded rod and adjusting nut and adjust the distance between clamp plate and the fixed plate, not only make the chip that the fixed plate can the different thickness of centre gripping, improve the suitability, make fixed plate centre gripping chip firm more stable moreover, have the guard action to the chip, make simultaneously to detect the precision higher.

Two, the utility model discloses a set up the bearing and reduce the frictional force between axis of rotation and the fixed block, reduce the loss of mechanical energy, prolong the life of axis of rotation, set up the louvre and make the motor fixing base have good thermal diffusivity, the life of extension motor.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of a side view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a detection table; 2. a support; 3. detecting the probe; 4. a threaded rod; 5. adjusting the nut; 6. a clamping plate; 7. a fixing plate; 8. a slider; 9. a rotating shaft; 10. a bearing; 11. a fixed block; 12. a support leg; 13. a chute; 14. a motor fixing seat; 15. a motor; 16. heat dissipation holes; 17. a thread; 18. the nut is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a chip test fixture's protection device, including examining test table 1, examine the bottom surface fixedly connected with motor fixing base 14 of test table 1, motor fixing base 14's last fixed surface is connected with motor 15, motor 15's output fixedly connected with axis of rotation 9, two symmetrical screw threads 17 have been seted up to axis of rotation 9's surface, every screw thread 17 surface all meshes and is connected with removal nut 18, examine test table 1's upper surface and seted up spout 13, every removal nut 18's the equal fixedly connected with slider 8 of upper surface, every slider 8's last fixed surface is connected with fixed plate 7, the equal sliding connection in one side that two fixed plates 7 are close to each other has clamping plate 6, the equal fixedly connected with threaded rod 4 in upper surface of every fixed plate 7, the one end that fixed plate 7 was kept away from to every threaded rod 4 all runs through.

Further, the bottom surface of the detection table 1 is fixedly connected with a fixing block 11, and a bearing 10 is fixedly embedded in the fixing block 11. The bearing 10 is arranged to reduce the friction force between the rotating shaft 9 and the fixed block 11, reduce the loss of mechanical energy and prolong the service life of the rotating shaft 9.

Further, the inner ring of the bearing 10 is fixedly connected with the outer surface of the rotating shaft 9. Two symmetrical threads 17 on the rotating shaft 9 are arranged, so that when the rotating shaft 9 rotates, the two movable nuts 18 move oppositely to clamp or deviate from the moving to loosen the chip, the structure is simple, and the operation is convenient.

Further, the upper surface of the detection table 1 is fixedly connected with a support 2, and the front surface of the support 2 is fixedly connected with a detection probe 3. The holder 2 and the detection probe 3 are provided to detect the chip.

Furthermore, four support legs 12 in a rectangular array are fixedly connected to the bottom surface of the detection table 1. Set up landing leg 12 and come to fix examining test table 1, make and examine test table 1 and have stability, make to detect more accurately.

Furthermore, three heat dissipation holes 16 are formed in the side surface of the motor fixing seat 14 and are arranged at equal intervals. The heat dissipation holes 16 are arranged to enable the motor fixing seat 14 to have good heat dissipation performance, and the service life of the motor 15 is prolonged.

The working principle is as follows: when the device is used, a chip to be detected is firstly placed between the fixed plate 7 and the clamping plate 6, the adjusting nut 5 is rotated, the adjusting nut 5 presses the clamping plate 6 down along the threaded rod 4, the clamping plate 6 is matched with the fixed plate 7 to clamp one end of the chip, at the moment, the motor 15 is started, the motor 15 drives the rotating shaft 9 to rotate, because the rotating directions of the threads 17 are opposite, the two moving nuts 18 move oppositely, the other end of the chip is contacted with the other fixed plate 7, at the moment, the adjusting nut 5 on the other fixed plate 7 is controlled to clamp the chip, then the detection probe 3 is started to detect the chip, after the detection is finished, the motor 15 is started to rotate reversely, the two moving nuts 18 drive the two fixed plates 7 to move oppositely through the sliding block 8, the chip is taken down to finish the test of the chip, the problem of detection precision reduction and possible damage of the chip, causing a certain loss problem.

It should be noted that, in this document, 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 simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protection device of chip test fixture, is including examining test table (1), its characterized in that: examine bottom surface fixedly connected with motor fixing base (14) of platform (1), the last fixed surface of motor fixing base (14) is connected with motor (15), the output fixedly connected with axis of rotation (9) of motor (15), two symmetrical screw threads (17), every are seted up to the surface of axis of rotation (9) screw thread (17) surface all meshes and is connected with mobile nut (18), spout (13), every have been seted up to the upper surface of examining platform (1) the equal fixedly connected with slider (8) of upper surface of mobile nut (18), every the last fixed surface of slider (8) is connected with fixed plate (7), two the equal sliding connection in one side that fixed plate (7) are close to each other has clamp plate (6), every the equal fixedly connected with threaded rod (4) of upper surface of fixed plate (7), every the one end that fixed plate (7) were kept away from to threaded rod (4) all runs through clamp plate (6) and meshes clamp plate (6) Is connected with an adjusting nut (5).

2. The chip test fixture protection device of claim 1, wherein: the bottom surface fixedly connected with fixed block (11) of examining test table (1), the inside fixed of fixed block (11) is inlayed and is had bearing (10).

3. The chip test fixture protection device of claim 2, wherein: and the inner ring of the bearing (10) is fixedly connected with the outer surface of the rotating shaft (9).

4. The chip test fixture protection device of claim 1, wherein: the upper surface of the detection table (1) is fixedly connected with a support (2), and the front surface of the support (2) is fixedly connected with a detection probe (3).

5. The chip test fixture protection device of claim 1, wherein: the bottom surface of the detection table (1) is fixedly connected with four supporting legs (12) in a rectangular array.

6. The chip test fixture protection device of claim 1, wherein: three radiating holes (16) which are arranged at equal intervals are formed in the side surface of the motor fixing seat (14).