CN219357040U

CN219357040U - Test fixture of integrated circuit test sorting machine

Info

Publication number: CN219357040U
Application number: CN202222557527.7U
Authority: CN
Inventors: 王佳; 顾卫民; 吴卓鸿; 曹必红
Original assignee: Wuxi Xinqibo Electronics Co ltd
Current assignee: Wuxi Xinqibo Electronics Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-07-18
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a test fixture of an integrated circuit test sorting machine, which belongs to the technical field of integrated circuit production and comprises a mounting box body and a plurality of test circuit boards, wherein a driving mechanism for enabling the plurality of test circuit boards to rotate is arranged on the mounting box body, the test circuit boards are of different types, a through groove corresponding to the test circuit boards is formed in the front side of the upper surface of the mounting box body, a lifting assembly for pushing the test circuit boards into the through groove is arranged on one side of the bottom of the inner wall of the mounting box body, a protective shell is arranged in the middle of the upper surface of the mounting box body, a mounting seat is arranged on the front side of the upper surface of the protective shell, and an extrusion assembly for compacting an integrated circuit is arranged on the mounting seat. Therefore, different test circuit boards can be selected according to the integrated circuit to test the integrated circuit, the application range of the device is improved, the operation of workers is facilitated, and the working efficiency is improved.

Description

Test fixture of integrated circuit test sorting machine

Technical Field

The utility model relates to a tool, in particular to a test tool of an integrated circuit test sorting machine, and belongs to the technical field of integrated circuit production.

Background

The integrated circuit is a miniature electronic device or component, and adopts a certain process to make the elements of transistor, resistor, capacitor and inductor and wiring required in a circuit together on a small semiconductor chip or medium substrate or several small semiconductor chips or medium substrates, then packaged in a tube shell so as to obtain the invented miniature structure with the required circuit function, the pins, also called pins, are used for leading out the wiring of the integrated circuit (chip) and peripheral circuit from internal circuit of the integrated circuit (chip), all the pins can form the interface of said chip, and a section of tail end of said wiring can be soldered together with the soldering pad on the printed board so as to form the soldering point.

In the production process of integrated circuits, the pin electrifying condition of the integrated circuits needs to be detected, and at present, although some test tools for detecting the integrated circuits appear, certain inconvenience exists in that different test circuit boards need to be selected for installation when different integrated circuits are tested, and the working efficiency is reduced. Therefore, how to develop a test fixture of an integrated circuit test handler is a current problem to be solved.

Disclosure of Invention

In order to solve the problems of inconvenient replacement and low working efficiency, the utility model provides a test fixture of an integrated circuit test handler.

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

the utility model provides a test fixture of integrated circuit test sorter, includes installation box and a plurality of test circuit board, be provided with the actuating mechanism that is used for making a plurality of test circuit boards rotatory on the installation box, test circuit board is different models, the front side of installation box upper surface is equipped with the groove of running through corresponding with test circuit board, one side of installation box inner wall bottom is provided with the lifting unit who runs through the inslot with test circuit board propelling movement, the centre of installation box upper surface is provided with the protecting crust, the front side of protecting crust upper surface is provided with the mount pad, be provided with the extrusion subassembly that is used for compressing tightly integrated circuit on the mount pad.

Preferably, the driving mechanism comprises a rotating disc, the rotating disc is rotationally connected with the upper surface of the installation box body, the bottom of the rotating disc extends to the inside of the installation box body and is provided with a plurality of convex penetrating grooves at equal angles, the inner walls of the convex penetrating grooves are all slidably connected with a bottom plate, the upper surface of the bottom plate is respectively connected with the test circuit board, and a transmission mechanism for enabling the rotating disc to rotate is arranged between the lower surface of the rotating disc and the bottom of the inner wall of the installation box body.

Preferably, the transmission mechanism comprises a first motor, the first motor is fixedly connected with the bottom of the inner wall of the installation box body, a worm is fixedly arranged on an output shaft of the first motor, a worm wheel is meshed with one side of the worm, a rotating column is fixedly arranged on the worm wheel, the top end of the rotating column is fixedly connected with the rotating disc, and the bottom end of the rotating column is rotatably connected with the bottom of the inner wall of the installation box body.

Preferably, the lifting assembly comprises a motor II, the motor II is fixedly connected with the bottom of the inner wall of the installation box body, a double-thread screw rod is fixedly arranged on an output shaft of the motor II, fixing blocks are fixedly connected with the two sides of the double-thread screw rod in a rotating mode, the fixing blocks are fixedly connected with the bottom of the inner wall of the installation box body, moving blocks are fixedly connected with the two sides of the double-thread screw rod in a threaded mode, pushing plates are fixedly connected with the tops of the moving blocks in a rotating mode, connecting blocks are fixedly connected with the tops of the pushing plates in a rotating mode, and pushing plates corresponding to the penetrating grooves are fixedly arranged on the tops of the connecting blocks.

Preferably, the extrusion assembly comprises a cylinder, the cylinder is connected with the upper surface of mount pad, the output shaft of cylinder runs through the mount pad and is fixedly equipped with the clamp plate, the clamp plate cup joints and has had a plurality of T shape guide posts, and is a plurality of the bottom mounting of T shape guide post is equipped with the fixed plate, be provided with a plurality of second springs between the upper surface of fixed plate and the lower surface of clamp plate, and the second spring cup joints with T shape guide post respectively.

Preferably, the front side of mount pad is fixed and is provided with two installation blocks, the installation block all is equipped with the through-hole, two the inner wall rotation in through-hole is connected with the connecting rod, the connecting rod is fixed to be equipped with control panel.

Preferably, the inner wall of the through hole is provided with a mounting groove, the inner wall of the mounting groove is connected with an extrusion block in a sliding manner, a first spring is fixedly arranged between the rear side of the extrusion block and the inner wall of the rear side of the mounting groove, and the front side of the extrusion block is fixedly provided with an arc friction pad corresponding to the connecting rod.

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

1. by adopting the driving mechanism and the lifting assembly, the corresponding test circuit board can be fed into the through groove according to the need, so that different test circuit boards can be selected according to the integrated circuit to test the integrated circuit, the application range of the device is improved, the operation of workers is facilitated, and the working efficiency is improved;

2. the pressure plate is driven by the air cylinder, so that the fixing plate starts to move, the integrated circuit can be tightly attached to the test circuit board, the stability of the test is guaranteed, and the T-shaped guide post and the second spring are adopted, so that the phenomenon that the integrated circuit is damaged when the integrated circuit and the test circuit board are fixed can be effectively avoided.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of a preferred embodiment of a test fixture of an integrated circuit test handler in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a preferred embodiment of a test fixture of an integrated circuit test handler in accordance with the present utility model;

FIG. 3 is a diagram showing the exploded internal structure of a mounting box of a preferred embodiment of a test fixture for an integrated circuit test handler in accordance with the present utility model;

fig. 4 is a disassembled view of a pressing assembly of a preferred embodiment of a test fixture of an integrated circuit test handler according to the present utility model.

In the figure: 1. installing a box body; 2. a rotating disc; 3. a male penetration groove; 4. a bottom plate; 5. testing the circuit board; 6. a first motor; 7. a worm; 8. a worm wheel; 9. a spin column; 10. a protective shell; 11. a second motor; 12. a double-thread screw rod; 13. a fixed block; 14. a moving block; 15. a push plate; 16. a connecting block; 17. a pushing plate; 18. a mounting base; 19. a through hole; 20. a mounting groove; 21. a connecting rod; 22. a control panel; 23. a first spring; 24. extruding a block; 25. an arc-shaped friction pad; 26. a cylinder; 27. a pressing plate; 28. a T-shaped guide post; 29. a fixing plate; 30. a second spring; 31. and (5) installing a block.

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.

As shown in fig. 1-2, the test fixture of the integrated circuit test handler provided in this embodiment includes a mounting box 1 and a plurality of test circuit boards 5, the mounting box 1 is provided with a driving mechanism for rotating the plurality of test circuit boards 5, the test circuit boards 5 are of different types, the front side of the upper surface of the mounting box 1 is provided with a through slot corresponding to the test circuit boards 5, one side of the bottom of the inner wall of the mounting box 1 is provided with a lifting assembly for pushing the test circuit boards 5 into the through slot, the middle of the upper surface of the mounting box 1 is provided with a protective shell 10, the front side of the upper surface of the protective shell 10 is provided with a mounting seat 18, the mounting seat 18 is provided with an extrusion assembly for compacting the integrated circuit, different test circuit boards 5 can be selected according to the integrated circuit through the mutual cooperation between the structures, the application range of the device is improved, the working efficiency is improved, and workers can operate conveniently.

In this embodiment, as shown in fig. 3, the driving mechanism includes a rotating disc 2, the rotating disc 2 is rotatably connected with the upper surface of the mounting box 1, the bottom of the rotating disc 2 extends into the mounting box 1 and is provided with a plurality of convex penetrating grooves 3 at equal angles, the inner walls of the convex penetrating grooves 3 are all slidably connected with a bottom plate 4, the upper surfaces of the bottom plate 4 are respectively connected with a test circuit board 5, and a transmission mechanism for rotating the rotating disc 2 is arranged between the lower surface of the rotating disc 2 and the bottom of the inner wall of the mounting box 1.

Further, the transmission mechanism comprises a first motor 6, the first motor 6 is fixedly connected with the bottom of the inner wall of the installation box body 1, a worm 7 is fixedly arranged on an output shaft of the first motor 6, a worm wheel 8 is meshed on one side of the worm 7, a rotary column 9 is fixedly arranged on the worm wheel 8, the top end of the rotary column 9 is fixedly connected with the rotary disk 2, and the bottom end of the rotary column is rotatably connected with the bottom of the inner wall of the installation box body 1.

Further, lifting unit includes motor two 11, motor two 11 and the bottom fixed connection of installing box body 1 inner wall, the fixed double-thread lead screw 12 that is provided with of output shaft of motor two 11, the both sides of double-thread lead screw 12 all rotate and be connected with fixed block 13, and fixed block 13 all with the bottom fixed connection of installing box body 1 inner wall, the both sides of double-thread lead screw 12 all threaded connection has movable block 14, the top of movable block 14 all rotates and is connected with push pedal 15, the top of push pedal 15 all rotates and is connected with connecting block 16, the fixed push plate 17 that is equipped with corresponding with the through groove in top of two connecting blocks 16.

In this embodiment, as shown in fig. 4, the extrusion assembly includes an air cylinder 26, the air cylinder 26 is connected with the upper surface of the mounting seat 18, the output shaft of the air cylinder 26 penetrates through the mounting seat 18 and is fixedly provided with a pressing plate 27, the pressing plate 27 is sleeved with a plurality of T-shaped guide posts 28, the bottom ends of the plurality of T-shaped guide posts 28 are fixedly provided with a fixing plate 29, a plurality of second springs 30 are arranged between the upper surface of the fixing plate 29 and the lower surface of the pressing plate 27, and the second springs 30 are sleeved with the T-shaped guide posts 28 respectively, so that the phenomenon that an integrated circuit is damaged when the integrated circuit and the test circuit board 5 are fixed can be effectively avoided.

Further, two mounting blocks 31 are fixedly arranged on the front side of the mounting seat 18, through holes 19 are formed in the mounting blocks 31, connecting rods 21 are rotatably connected to the inner walls of the two through holes 19, and a control panel 22 is fixedly arranged on the connecting rods 21.

Further, the inner wall of the through hole 19 is provided with a mounting groove 20, the inner wall of the mounting groove 20 is slidably connected with an extrusion block 24, a first spring 23 is fixedly arranged between the rear side of the extrusion block 24 and the inner wall of the rear side of the mounting groove 20, and an arc friction pad 25 corresponding to the connecting rod 21 is fixedly arranged on the front side of the extrusion block 24.

It should be noted that: the control panel 22 is electrically connected with the first motor 6, the second motor 11 and the air cylinder 26 respectively through wires, meanwhile, female connectors are arranged on the inner wall of the through groove on the mounting box body 1, male connectors are arranged on the test circuit board 5, when the test circuit board 5 enters the through groove, the female connectors and the male connectors are in contact to form a current conveying channel so as to facilitate the later power conveying of the integrated circuit, and a display for displaying the integrated circuit and a controller for controlling the first motor 6, the second motor 11, the air cylinder 26 and the test circuit board 5 are arranged on the control panel 22.

The application principle and the application flow of the utility model are as follows: the staff starts to work under the transmission of worm 7 and worm wheel 8 according to the integrated circuit that waits to detect through control panel 22 control motor one 6 makes rotary column 9 drive rotary disk 2 start to rotate, until the test circuit board 5 that will correspond moves to the position that runs through under the groove, then motor two 11 start to work and make double-thread screw rod 12 start to rotate, make push plate 17 move up under the cooperation of push pedal 15 and connecting block 16 under the effect of screw thread the two movable blocks 14 start to move in opposite directions, push plate 17 enters into in the convex run-through groove 3 and promotes bottom plate 4 and test circuit board 5 to move up, until with test circuit board 5 propelling movement to run through the inslot and make the female joint on the run-through inslot wall contact with the male joint on the test circuit board 5, the staff places the pin on the integrated circuit board in the position that corresponds with test circuit board 5, then cylinder 26 start to work and make clamp plate 27 drive fixed plate 29 start to move down, until fixed plate 29 contacts with the integrated circuit and second spring 30 is compressed to a certain extent, then carry out the power supply operation to test circuit board 5 through the male joint and female joint, control panel 22 is gone up to the display panel 22, can make the angle of rotation control pad 21 when the control panel 22 need to drive the integrated circuit 21 to rotate, make the connection rod 21 to rotate under the condition of adjusting the arc-shaped connection bar 21.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a test fixture of integrated circuit test sorter, includes installation box (1) and a plurality of test circuit board (5), its characterized in that, be provided with on installation box (1) and be used for making rotatory actuating mechanism of a plurality of test circuit board (5), test circuit board (5) are different models, the front side of installation box (1) upper surface is equipped with the corresponding groove that runs through of test circuit board (5), one side of installation box (1) inner wall bottom is provided with the lifting unit who runs through inslot with test circuit board (5) propelling movement, the centre of installation box (1) upper surface is provided with protective housing (10), the front side of protective housing (10) upper surface is provided with mount pad (18), be provided with on mount pad (18) and be used for compressing tightly the extrusion subassembly of integrated circuit.

2. The test fixture of an integrated circuit test handler according to claim 1, wherein the driving mechanism comprises a rotary disk (2), the rotary disk (2) is rotatably connected with the upper surface of the mounting box body (1), the bottom of the rotary disk (2) extends to the inside of the mounting box body (1) and is provided with a plurality of convex penetrating grooves (3) at equal angles, the inner walls of the convex penetrating grooves (3) are slidably connected with a bottom plate (4), the upper surfaces of the bottom plate (4) are respectively connected with a test circuit board (5), and a transmission mechanism for rotating the rotary disk (2) is arranged between the lower surface of the rotary disk (2) and the bottom of the inner wall of the mounting box body (1).

3. The test fixture of an integrated circuit test handler according to claim 2, wherein the transmission mechanism comprises a first motor (6), the first motor (6) is fixedly connected with the bottom of the inner wall of the mounting box body (1), a worm (7) is fixedly arranged on an output shaft of the first motor (6), a worm wheel (8) is meshed with one side of the worm (7), a rotating column (9) is fixedly arranged on the worm wheel (8), the top end of the rotating column (9) is fixedly connected with the rotating disc (2), and the bottom end of the rotating column is rotatably connected with the bottom of the inner wall of the mounting box body (1).

4. The test fixture of an integrated circuit test and sorting machine according to claim 1, wherein the lifting assembly comprises a motor two (11), the motor two (11) is fixedly connected with the bottom of the inner wall of the installation box body (1), the output shaft of the motor two (11) is fixedly provided with a double-threaded screw rod (12), both sides of the double-threaded screw rod (12) are rotationally connected with a fixed block (13), the fixed block (13) is fixedly connected with the bottom of the inner wall of the installation box body (1), both sides of the double-threaded screw rod (12) are in threaded connection with a movable block (14), the top of the movable block (14) is rotationally connected with a push plate (15), the top of the push plate (15) is rotationally connected with a connecting block (16), and the top of the two connecting blocks (16) is fixedly provided with a push plate (17) corresponding to the through groove.

5. The test fixture of an integrated circuit test handler according to claim 1, wherein the pressing assembly comprises a cylinder (26), the cylinder (26) is connected with the upper surface of the mounting seat (18), an output shaft of the cylinder (26) penetrates through the mounting seat (18) and is fixedly provided with a pressing plate (27), the pressing plate (27) is sleeved with a plurality of T-shaped guide posts (28), the bottom ends of the plurality of T-shaped guide posts (28) are fixedly provided with a fixing plate (29), a plurality of second springs (30) are arranged between the upper surface of the fixing plate (29) and the lower surface of the pressing plate (27), and the second springs (30) are sleeved with the T-shaped guide posts (28) respectively.

6. The test fixture of an integrated circuit test handler according to claim 1, wherein two mounting blocks (31) are fixedly arranged on the front side of the mounting base (18), through holes (19) are respectively formed in the mounting blocks (31), connecting rods (21) are rotatably connected to the inner walls of the through holes (19), and a control panel (22) is fixedly arranged on the connecting rods (21).

7. The test fixture of an integrated circuit test handler according to claim 6, wherein the inner walls of the through holes (19) are provided with mounting grooves (20), the inner walls of the mounting grooves (20) are slidably connected with extrusion blocks (24), first springs (23) are fixedly arranged between the rear sides of the extrusion blocks (24) and the inner walls of the rear sides of the mounting grooves (20), and arc-shaped friction pads (25) corresponding to the connecting rods (21) are fixedly arranged on the front sides of the extrusion blocks (24).