CN219609147U

CN219609147U - Pin detection device of chip

Info

Publication number: CN219609147U
Application number: CN202320451591.9U
Authority: CN
Inventors: 陈建新
Original assignee: Shanghai Yishen Electronics Co ltd
Current assignee: Shanghai Yishen Electronics Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-08-29
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a pin detection device of a chip, which comprises a base, wherein a supporting rod is arranged on one side of the upper end face of the base, a top plate is fixed on the upper end face of the base, a detection module is arranged on one side of the upper end face of the top plate, a pneumatic push rod is embedded in the upper end face of the top plate, a lifting seat is fixed at the telescopic end below the pneumatic push rod, probes are arranged on the periphery of the lifting seat, a movable seat is sleeved and inserted in an inner cavity of the base, an outer pipe is embedded in an inner cavity of the movable seat, an inner pipe is sleeved and connected in an inner cavity of the outer pipe, and a material tray is fixed on the upper end face of the inner pipe. According to the utility model, the tray of the device can be pulled, so that the chip loading and unloading operation is facilitated, meanwhile, the tray is matched with the clamping block through the inserting rod, after the tray moves to a designated position, the clamping block is ejected out, so that the tray can be installed in place, the position of the tray is ensured to be fixed each time, the chip on the tray can be accurately opposite to the probe, the contact detection operation is facilitated, and the detection accuracy is ensured.

Description

Pin detection device of chip

Technical Field

The utility model relates to the technical field of chip detection equipment, in particular to a pin detection device of a chip.

Background

The pin detection of the chip is used for detecting whether the pin on the chip is defective, damaged or abnormal, the pin is a metal pin connected with an external circuit, the quality and the state of the pin directly influence the performance and the reliability of the chip, and the pin detection device of the chip is very important for ensuring the normal operation of the chip and preventing faults;

the pin detection device for the semiconductor chip is shown in the publication No. CN217484449U and comprises a workbench and an L-shaped plate, wherein the L-shaped plate is fixedly arranged on the upper surface of the workbench, an air cylinder is fixedly arranged at the top of the L-shaped plate, the output end of the air cylinder penetrates through the L-shaped plate and extends downwards to be movably sleeved with the L-shaped plate, the output end of the air cylinder is fixedly connected with a sucker through a connecting mechanism, the side wall of the sucker is fixedly connected with an air duct communicated with the inside of the sucker, the other end of the air duct is fixedly connected with an air pump, the air pump is fixedly arranged on the side wall of the L-shaped plate, a detection box is arranged on the upper surface of the workbench, an inserting rod is fixedly arranged at the bottom of the detection box, and a through hole is formed in the workbench.

In the device, although the semiconductor chip is clamped in an adsorption clamping mode, the semiconductor chip is taken down conveniently while the accurate detection result is ensured, in the use process, the chip is fed and discharged each time, so that the chip is placed at different positions each time, the function of positioning the chip is not achieved, and the chip cannot be accurately contacted with the probe for detection each time.

Disclosure of Invention

The utility model aims to solve the defects that in the prior pin detection device of a chip, the chip is fed and discharged each time, so that the placement positions of the chip are different each time, the chip positioning function is not realized, and the chip cannot be accurately contacted with a probe each time.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the pin detection device of the chip comprises a base, wherein a supporting rod is arranged on one side of the upper end face of the base, a top plate is fixed on the upper end face of the base, a detection module is arranged on one side of the upper end face of the top plate, a pneumatic push rod is embedded in the upper end face of the top plate, a lifting seat is fixed at the telescopic end below the pneumatic push rod, and probes are arranged around the lifting seat;

the movable seat is sleeved and inserted in the inner cavity of the base, the outer tube is embedded in the inner cavity of the movable seat, the inner tube is sleeved and connected in the inner cavity of the outer tube, the upper end surface of the inner tube is fixedly provided with a first spring, the upper end surface of the first spring is provided with a plurality of sliding grooves, the clamping head is sleeved and inserted in the inner cavity of the sliding groove, and a second spring is fixedly arranged between one side of the inner wall of the sliding groove and one side of the sliding groove;

the movable seat is characterized in that an inserting rod is fixed at one end of the movable seat, a spring III is fixed in an inner cavity of the inserting rod, and a clamping block sleeved with the inserting rod is fixed at the extension end of the spring III.

As a further description of the above technical solution:

the slot is formed in one side of the base, and the slot is sleeved with the surface of the inserted link.

As a further description of the above technical solution:

the material tray forms an elastic telescopic structure through the inner tube, the first spring and the outer tube.

As a further description of the above technical solution:

the probe is electrically connected with the detection module through a connecting wire.

As a further description of the above technical solution:

the probe forms a lifting structure through the lifting seat, the pneumatic push rod and the top plate.

In conclusion, by adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the tray of the device can be pulled, so that the chip loading and unloading operation is facilitated, meanwhile, the tray is matched with the clamping block through the inserting rod, after the tray moves to a designated position, the clamping block is ejected out, so that the tray can be installed in place, the position of the tray is ensured to be fixed each time, the chip on the tray can be accurately opposite to the probe, the contact detection operation is facilitated, and the detection accuracy is ensured.

2. According to the device, through the four chucks which can move in a telescopic mode, the chip and the tray can be conveniently installed and detached, and workers can conveniently replace the chip to be tested.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a pin detection device of a chip in the present utility model;

FIG. 2 is a schematic view of the structure of the top plate and the lifting seat in the present utility model;

FIG. 3 is a schematic view of a connection between a base and a movable base according to the present utility model;

fig. 4 is a schematic view of a cross section of a movable seat in the present utility model.

Legend description:

1. a base; 2. a support rod; 3. a top plate; 4. a pneumatic push rod; 5. a lifting seat; 6. a probe; 7. a detection module; 8. a movable seat; 9. an outer tube; 10. an inner tube; 11. a material tray; 12. a first spring; 13. a chute; 14. a chuck; 15. a second spring; 16. a rod; 17. a third spring; 18. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a pin detection device of a chip comprises a base 1, wherein a supporting rod 2 is installed on one side of the upper end face of the base 1, a top plate 3 is fixed on the upper end face of the base 1, a detection module 7 is installed on one side of the upper end face of the top plate 3, a pneumatic push rod 4 is embedded in the upper end face of the top plate 3, a lifting seat 5 is fixed at the telescopic end below the pneumatic push rod 4, and probes 6 are installed around the lifting seat 5;

the inner cavity of the base 1 is sleeved and inserted with a movable seat 8, the inner cavity of the movable seat 8 is embedded with an outer pipe 9, the inner cavity of the outer pipe 9 is sleeved and connected with an inner pipe 10, the upper end surface of the inner pipe 10 is fixedly provided with a material tray 11, a first spring 12 is fixedly arranged between the outer pipe 9 and the inner pipe 10, the upper end surface of the material tray 11 is provided with a plurality of sliding grooves 13, the inner cavity of the sliding grooves 13 is sleeved and inserted with a clamping head 14, and a second spring 15 is fixedly arranged between one side of the inner wall of the sliding groove 13 and one side of the sliding groove 13;

an inserting rod 16 is fixed at one end of the movable seat 8, a spring III 17 is fixed in the inner cavity of the inserting rod 16, and a clamping block 18 sleeved with the inserting rod 16 is fixed at the extension end of the spring III 17;

the four chucks 14 are pulled manually, so that the four chucks 14 pull the first spring 12 to move in the chute 13, then the chip to be tested is placed on the surface of the material tray 11, and the four chucks 14 are driven to reset and move through the elastic characteristic of the first spring 12, so that the chip is clamped and fixed on the surface of the material tray 11;

pushing the movable seat 8 to enable the movable seat 8 to be inserted into the inner cavity of the base 1, enabling the inserted link 16 to penetrate through one side of the base 1, and extruding the clamping block 18 to move upwards through the elastic characteristic of the spring III 17 to enable the clamping block 18 to be attached to one side of the base 1, so that the position of the movable seat 8 is installed in place;

the lifting seat 5 is driven to move downwards through the telescopic end of the pneumatic push rod 4, so that the probe 6 contacts with the chip pin to perform detection operation.

Further, a slot is formed on one side of the base 1, and the slot is sleeved with the surface of the inserting rod 16.

Further, the tray 11 forms an elastic telescopic structure through the inner tube 10, the first spring 12 and the outer tube 9.

Further, the probe 6 is electrically connected to the detection module 7 through a connection wire.

Further, the probe 6 forms a lifting structure through the lifting seat 5, the pneumatic push rod 4 and the top plate 3.

Working principle: when the device is used, the four clamping heads 14 are manually pulled to enable the first spring 12 to move in the sliding groove 13, then the chip to be tested is placed on the surface of the material tray 11, the four clamping heads 14 are driven to reset and move through the elastic characteristic of the first spring 12, the chip is clamped and fixed on the surface of the material tray 11, the movable seat 8 is pushed to enable the movable seat 8 to be inserted into the inner cavity of the base 1, meanwhile, the inserting rod 16 penetrates through one side of the base 1, the clamping blocks 18 are extruded to move upwards through the elastic characteristic of the third spring 17, the clamping blocks 18 are attached to one side of the base 1, so that the position of the movable seat 8 is installed in place, and at the moment, the telescopic end of the pneumatic push rod 4 drives the lifting seat 5 to move downwards to enable the probe 6 to be in contact with a chip pin for detection operation, so that the working principle of the device is completed.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The pin detection device of the chip comprises a base (1), and is characterized in that a supporting rod (2) is arranged on one side of the upper end face of the base (1), a top plate (3) is fixed on the upper end face of the base (1), a detection module (7) is arranged on one side of the upper end face of the top plate (3), a pneumatic push rod (4) is embedded in the upper end face of the top plate (3), a lifting seat (5) is fixed at the telescopic end below the pneumatic push rod (4), and probes (6) are arranged around the lifting seat (5);

the automatic feeding device is characterized in that a movable seat (8) is sleeved and inserted in an inner cavity of the base (1), an outer tube (9) is embedded in the inner cavity of the movable seat (8), an inner tube (10) is sleeved and connected in the inner cavity of the outer tube (9), a first spring (12) is fixed between the upper end face of the inner tube (10) and the upper end face of the outer tube (9), a plurality of sliding grooves (13) are formed in the upper end face of the first spring (12), a clamping head (14) is sleeved and inserted in the inner cavity of the sliding groove (13), and a second spring (15) is fixed between one side of the inner wall of the sliding groove (13) and one side of the sliding groove (13);

the movable seat is characterized in that an inserting rod (16) is fixed at one end of the movable seat (8), a spring III (17) is fixed in an inner cavity of the inserting rod (16), and a clamping block (18) sleeved with the inserting rod (16) is fixed at the extension end of the spring III (17).

2. The device for detecting the pins of the chip according to claim 1, wherein a slot is formed on one side of the base (1), and the slot is sleeved on the surface of the inserting rod (16).

3. The device for detecting the pins of the chip according to claim 1, wherein the tray (11) forms an elastic telescopic structure through the inner tube (10), the first spring (12) and the outer tube (9).

4. The device for detecting pins of a chip according to claim 1, wherein the probe (6) is electrically connected to the detection module (7) through a connection wire.

5. The device for detecting the pins of the chip according to claim 1, wherein the probe (6) forms a lifting structure through the lifting seat (5), the pneumatic push rod (4) and the top plate (3).