CN215575516U

CN215575516U - Chip clamping device for chip test

Info

Publication number: CN215575516U
Application number: CN202121855948.7U
Authority: CN
Inventors: 黄哲尔; 沈义明; 韦宗专
Original assignee: Shanghai Lingce Electronic Technology Co ltd
Current assignee: Shanghai Lingce Electronic Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-18
Anticipated expiration: 2031-08-10

Abstract

The utility model provides a chip clamping device for chip testing, which is suitable for production and application of the clamping device and comprises an installation shell, wherein a rotary table is arranged at the center inside the installation shell, the top of the installation shell is in cross arrangement and is provided with four vertical grooves in a through manner, the two sides of the inner wall of each vertical groove are symmetrically provided with limiting grooves, and the upper end of the rotary table is provided with four arc grooves in a through manner, so that the chip clamping device has the advantages that: through setting up the clamping bar, the slide, the carousel, worm wheel and worm, make the user adjust the removal of clamping bar through simple rotation turn-round, and then carry out the centre gripping through opening the right angle groove that has on the clamping bar and fix chip four corners department, and because clamping position is in chip four corners department, can consequently avoid the clamping bar touching or shelter from contact terminal, reduce the probability that the touching damaged contact terminal with this, and can not obstruct the testing tool to contact terminal's detection, and easy operation and controllability are strong, be applicable to the centre gripping to the chip of multiple specification.

Description

Chip clamping device for chip test

Technical Field

The utility model relates to the technical field of clamping devices, in particular to a chip clamping device for chip testing.

Background

The chip generally need detect contact terminal after the encapsulation processing, just can arrange to dispatch from the factory after eliminating unqualified product, nevertheless contact terminal sets up around chip casing outer wall usually, and contact terminal is tiny, buckles easily, and current chip presss from both sides the clamp of chip when the test and gets fixed mode and very easily cause the damage to contact terminal, influences the efficiency of dispatching from the factory that reduces the chip.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the chip clamping device for the chip test solves the problem that a contact terminal is easy to damage in the chip clamping process of the existing chip clamping device.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

a rotary table is arranged in the center of the inside of the installation shell, the top of the installation shell is in cross arrangement and is provided with four vertical grooves in a penetrating manner, limiting grooves are symmetrically formed in two sides of the inner wall of each vertical groove, four arc grooves are formed in the upper end of the rotary table in a penetrating manner, the arc grooves correspond to the vertical grooves in position, clamping rods are movably arranged in the vertical grooves, the lower ends of the clamping rods extend downwards and penetrate through the corresponding arc grooves, sliding plates are fixedly sleeved in the middle of the clamping rods, and the sliding plates are in sliding connection with the vertical grooves;

Carousel outer end embedding installation shells inner wall and with the installation casing rotate and be connected, carousel bottom central authorities department is fixed with the connecting rod, the connecting rod bottom is fixed with the worm wheel, the worm wheel rotates with the inside bottom of installation casing to be connected, and just installs the inside bottom of casing and lie in the worm wheel right side and be provided with the worm, the worm wheel is connected with the worm transmission.

Preferably, the limiting groove is a rectangular groove, and the outer wall of the sliding plate, which is far away from one side of the clamping rod, is always in contact with the inner wall of the limiting groove.

Preferably, the outer wall of the turntable is embedded in a surrounding mode and is connected with a plurality of balls in a rotating mode.

Preferably, the worm is rotatably connected with the front end and the rear end of the inner wall of the mounting shell, and a rotating knob is fixed at the front end of the worm.

Preferably, the torque extends through the mounting housing and is in rotationally damped connection with the mounting housing.

Preferably, right-angle grooves are formed in the opposite sides of the tops of the four clamping rods, and rubber pads are bonded in the right-angle grooves.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up the clamping bar, the slide, the carousel, worm wheel and worm, make the user adjust the removal of clamping bar through simple rotation turn-round, and then carry out the centre gripping through opening the right angle groove that has on the clamping bar and fix chip four corners department, and because clamping position is in chip four corners department, can consequently avoid the clamping bar touching or shelter from contact terminal, reduce the probability that the touching damaged contact terminal with this, and can not obstruct the testing tool to contact terminal's detection, and easy operation and controllability are strong, be applicable to the centre gripping to the chip of multiple specification.

Drawings

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

FIG. 2 is a schematic sectional elevation view of the mounting housing of the present invention;

FIG. 3 is a schematic view of the structure of the clamping bar according to the present invention;

FIG. 4 is a schematic top view of the turntable according to the present invention.

The labels in the figure are: 1-mounting a shell, 2-vertical grooves, 3-limiting grooves, 4-clamping rods, 5-sliding plates, 6-right-angle grooves, 7-rotating discs, 8-connecting rods, 9-worm wheels, 10-worms, 11-torque, 12-balls and 13-arc grooves.

Detailed Description

Referring to fig. 1 to 4, the present invention adopts the following technical solutions:

a chip clamping device for chip testing comprises an installation shell 1, wherein a rotary table 7 is arranged in the center inside the installation shell 1, the top of the installation shell 1 is in cross arrangement and is provided with four vertical grooves 2 in a penetrating manner, limiting grooves 3 are symmetrically arranged on two sides of the inner wall of each vertical groove 2, the upper end of the rotary table 7 is provided with four arc grooves 13 in a penetrating manner, the arc grooves 13 correspond to the vertical grooves 2 in position, clamping rods 4 are movably arranged in the vertical grooves 2, the lower ends of the clamping rods 4 extend downwards and penetrate through the corresponding arc grooves 13, sliding plates 5 are fixedly sleeved in the middle of the clamping rods 4, the sliding plates 5 are connected with the vertical grooves 2 in a sliding manner, right-angle grooves 6 are arranged on opposite sides of the tops of the four clamping rods 4, and rubber pads are bonded in the right-angle grooves 6;

The outer end of the rotary table 7 is embedded into the inner wall of the installation shell 1 and is rotationally connected with the installation shell 1, a connecting rod 8 is fixed at the center of the bottom of the rotary table 7, a worm wheel 9 is fixed at the bottom of the connecting rod 8, the worm wheel 9 is rotationally connected with the bottom end inside the installation shell 1, a worm 10 is arranged at the bottom end inside the installation shell 1 and is positioned on the right side of the worm wheel 9, the worm wheel 9 is in transmission connection with the worm 10, the worm 10 is rotationally connected with the front end and the rear end of the inner wall of the installation shell 1, a rotary knob 11 is fixed at the front end of the worm 10, and the rotary knob 11 penetrates out of the installation shell 1 and is rotationally connected with the installation shell 1 in a damping manner;

before clamping and fixing the chip, a user can firstly place a hand on the knob 11 and rotate the knob 11 to enable the worm 10 to rotate, the worm 10 is enabled to rotate through transmission matching, the worm 10 drives the rotary table 7 to rotate clockwise through the connecting rod 8, the rotary table 7 rotates to enable the arc groove 13 formed in the rotary table 7 to synchronously rotate by taking the connecting rod 8 as a center, and the clamping rods 4 simultaneously penetrate through the arc groove 13 and the vertical groove 2 to enable the clamping rods 4 to move towards the center of the rotary table 7 along the direction of the vertical groove 2 through pushing extrusion of the inner wall of the arc groove 13, so that the distances among the four clamping rods 4 are gradually reduced, and in the process of reducing the distances among the clamping rods 4, the clamping rods 4 can keep the height of the clamping rods 4 stable through the sliding plates 5 embedded into the limiting grooves 3, so that the heights of the right-angle grooves 6 are uniform;

When the distance between the four clamping rods 4 is shortened to a proper position, a user can respectively correspond the four corners of the chip to the four clamping rods 4 and place the four corners of the chip on the bottom ends of the inner walls of the four right-angle grooves 6, then the user can control the movement of the clamping rods 4 through the small-amplitude rotation adjusting knob 11 so as to clamp the four corners of the chip through the right-angle grooves 6, the clamping and fixing of the chip are completed, the clamping positions are positioned at the four corners of the chip, the contact terminals are prevented from being touched or shielded, the probability that the contact terminals are damaged by touching is reduced, the detection of the contact terminals by a testing tool cannot be hindered, and meanwhile, the positions of the clamping rods 4 can be adjusted so that the device is suitable for clamping chips of various specifications;

the limiting groove 3 is a rectangular groove, and the outer wall of the sliding plate 5, which is far away from one side of the clamping rod 4, is always in contact with the inner wall of the limiting groove 3; the sliding plate 5 can prevent the sliding plate 5 from rotating by contacting with the inner wall of the limiting groove 3, so that the clamping rods 4 are prevented from being driven to rotate, and the right-angle grooves 6 formed in the tops of the four clamping rods 4 are always opposite even in the moving process, so that the four right-angle grooves 6 always correspond to the four corners of the chip;

the outer wall of the rotary table 7 is embedded in a surrounding mode and is connected with a plurality of balls 12 in a rotating mode, and when the rotary table 7 is driven by the worm wheel 9 to rotate, the rotary table 7 can reduce friction between the rotary table 7 and the installation shell 1 through the balls 12.

Claims

1. The utility model provides a chip clamping device that chip test was used, is including installation casing (1), carousel (7), its characterized in that have been arranged to installation casing (1) inside central authorities department:

the top of the mounting shell (1) is provided with four vertical grooves (2) in a cross arrangement and through manner, the two sides of the inner wall of each vertical groove (2) are symmetrically provided with limiting grooves (3), the upper end of the rotary table (7) is provided with four arc grooves (13) in a through manner, the arc grooves (13) correspond to the vertical grooves (2), clamping rods (4) are movably arranged in the vertical grooves (2), the lower ends of the clamping rods (4) extend downwards and penetrate through the corresponding arc grooves (13), sliding plates (5) are fixedly sleeved in the middle of the clamping rods (4), and the sliding plates (5) are connected with the vertical grooves (2) in a sliding manner;

carousel (7) outer end embedding installation casing (1) inner wall and with installation casing (1) rotate to be connected, carousel (7) bottom central authorities department is fixed with connecting rod (8), connecting rod (8) bottom is fixed with worm wheel (9), worm wheel (9) are rotated with the inside bottom of installation casing (1) and are connected, and install the inside bottom of casing (1) and lie in worm wheel (9) right side and be provided with worm (10), worm wheel (9) are connected with worm (10) transmission.

2. The chip clamping device for the chip test according to claim 1, wherein: the limiting groove (3) is a rectangular groove, and the outer wall of the sliding plate (5) far away from one side of the clamping rod (4) is always in contact with the inner wall of the limiting groove (3).

3. The chip clamping device for the chip test according to claim 1, wherein: the outer wall of the rotary table (7) is embedded in a surrounding mode and is connected with a plurality of balls (12) in a rotating mode.

4. The chip clamping device for the chip test according to claim 1, wherein: the worm (10) is rotatably connected with the front end and the rear end of the inner wall of the mounting shell (1), and a rotating knob (11) is fixed at the front end of the worm (10).

5. The chip clamping device for the chip test according to claim 4, wherein: the rotating knob (11) penetrates out of the mounting shell (1) and is connected with the mounting shell (1) in a damping rotating mode.

6. The chip clamping device for the chip test according to claim 1, wherein: four right-angle grooves (6) are formed in opposite sides of the tops of the clamping rods (4), and rubber pads are bonded in the right-angle grooves (6).