Chip packaging tightness test fixture

Abstract

The utility model provides a chip packaging leakproofness test fixture, which relates to the technical field of chip packaging, and comprises a test body, a groove is arranged on one side wall of the test body, an L-shaped ring groove is arranged on one side wall of the test body and at the edge of the groove, a U-shaped plate is arranged in the groove, and the U-shaped plate is arranged in the L-shaped ring groove. And an extrusion plate is fixed at one end of the U-shaped plate and located in the L-shaped ring groove. According to the utility model, the sealing performance test fixture is small in size, small in occupied space and convenient to place and move, during detection, the control panel can be used for controlling the driving motor to drive the screw rod to rotate, the screw rod rotates to drive the sliding block to move, the sliding block moves to drive the U-shaped plate to be separated from the interior of the test body, and then a chip to be detected is placed in the chip groove, so that the chip to be detected is detected. And after detection is completed, the pushing disc is pushed to rise through the electric push rod, the effect that the detected chip can be conveniently taken out can be achieved, and therefore the effect of improving the detection efficiency can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip packaging, in particular to a chip packaging sealing test fixture. Background Art

[0002] Currently, in order to achieve waterproof, dustproof or leak-proof effects, chips need to undergo sealing tests. Generally, a test instrument is used to inflate and maintain pressure inside the chip, detect the way gas leaks from the device under test, and then determine the sealing of the device.

[0003] Existing, such as Chinese patent announcement number: CN215492255U, this application relates to a chip packaging sealing test fixture, which includes a fixture frame, a lower mold is provided on the upper surface of the fixture frame, a sealed cavity is provided on the upper surface of the lower mold, a test gas release device is provided in the side wall of the lower mold, and support plates are symmetrically fixed to the upper surface of the fixture frame, a sealed power box is provided on the top of the two support plates, and a lifting motor is symmetrically provided on the side wall of the sealed power box, and the output ends of the two lifting motors are provided with a rotating rod, and two first bevel gears are fixed on the two rotating rods. A plurality of lifting screws are symmetrically rotated and provided on the upper surface of the lower mold, and a second bevel gear is fixed on the top of the plurality of lifting screws. An upper mold is provided on the plurality of lifting screws, and an air extraction detection device is provided in the upper surface of the upper mold. A first sealing ring mechanism and a second sealing ring mechanism are provided on the lower surface of the upper mold. This application has the effect of increasing the stability and life of the sealing cavity.

[0004] Although the above patent technology has the effect of increasing the stability and life of the sealed cavity, the detection device in the patent is large in size and takes up more space. It is also not convenient for the detection personnel to place and remove the chip to be detected, which makes it difficult to improve the detection efficiency. Utility Model Content

[0005] The utility model mainly provides a chip package sealing test fixture which is convenient for placing and removing the chip to be tested.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a chip package sealing test fixture, comprising: a test body, a groove is provided on one side wall of the test body, an L-shaped ring groove is provided on one side wall of the test body and located at the edge of the groove, a U-shaped plate is provided inside the groove, an extrusion plate is fixed at one end of the U-shaped plate and located inside the L-shaped ring groove, a chip groove is provided on the bottom inner wall of the U-shaped plate, a circular groove is provided on the bottom inner wall of the chip groove and near the center, a first embedding groove is provided on the bottom inner wall of the circular groove and near the center, an electric push rod is embedded and fixed inside the first embedding groove, and the electric push rod The output end of the circular groove is provided with a pushing disk fixed therein, the top and one side wall of the test body are respectively provided with a second embedding groove and a third embedding groove, the inside of the second embedding groove and the third embedding groove are respectively embedded and fixed with a gas extraction detection device and a test gas release device, the top and one side inner wall of the groove are respectively embedded and fixed with a gas extraction pipe and a gas charging pipe, the gas extraction pipe and the gas charging pipe are respectively fixedly connected with the gas extraction detection device and the test gas release device, a sliding groove is provided on the bottom inner wall of the groove, a slider is embedded and slides inside the sliding groove, the top of the slider is fixedly connected to the bottom of the U-shaped plate, and a screw is passed through and threadedly connected to the surface of the slider.

[0007] Compared with the prior art, the advantages and positive effects of the present invention are:

[0008] In the utility model, the sealing test tool is small in size, occupies little space, and is convenient to place and move. During testing, the control panel can be used to control the driving motor to drive the screw to rotate, the screw rotation drives the slider to move, and the slider movement drives the U-shaped plate to separate from the inside of the test body. At this time, by placing the chip to be tested into the chip slot, the chip can be placed. When the test is completed, the electric push rod pushes the push plate to rise, which can facilitate the removal of the tested chip, thereby improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The utility model provides a three-dimensional diagram of the overall structure of a chip packaging sealing test fixture;

[0010] Figure 2 The utility model provides a cross-sectional view of the overall structure of a chip packaging sealing test fixture;

[0011] Figure 3 This is a partial structural cross-sectional view of a chip package sealing test fixture proposed by the utility model;

[0012] Figure 4 The present invention provides a three-dimensional diagram of a U-shaped plate structure of a chip packaging sealing test fixture.

[0013] Legend: 1. Test body; 2. Support leg; 3. Anti-slip pad; 4. Groove; 5. L-shaped ring groove; 6. U-shaped plate; 7. Extrusion plate; 8. L-shaped sealing ring gasket; 9. Chip slot; 10. Circular groove; 11. First embedded groove; 12. Push plate; 13. Electric push rod; 14. Second embedded groove; 15. Exhaust detection device; 16. Third embedded groove; 17. Test gas release device; 18. Exhaust pipe; 19. Inflatable pipe; 20. Slide; 21. Slider; 22. Drive motor; 23. Control panel; 24. Screw. DETAILED DESCRIPTION

[0014] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0015] See also Figures 1-4 The utility model provides a technical solution: a chip package sealing test fixture, comprising: a test body 1, a groove 4 is opened on one side wall of the test body 1, an L-shaped ring groove 5 is opened on one side wall of the test body 1 and located at the edge of the groove 4, a U-shaped plate 6 is provided inside the groove 4, an extrusion plate 7 is fixed at one end of the U-shaped plate 6 and located inside the L-shaped ring groove 5, a chip groove 9 is opened on the bottom inner wall of the U-shaped plate 6, a circular groove 10 is opened on the bottom inner wall of the chip groove 9 and near the center, a first embedding groove 11 is opened on the bottom inner wall of the circular groove 10 and near the center, an electric push rod 13 is embedded and fixed inside the first embedding groove 11, a pushing disk 12 is fixed at the output end of the electric push rod 13 and located inside the circular groove 10, a second embedding groove 14 and a third embedding groove 16 are respectively opened on the top and one side wall of the test body 1, and an air extraction detection device 15 is embedded and fixed inside the second embedding groove 14 and the third embedding groove 16. And the test gas release device 17, the top and one side inner wall of the groove 4 are respectively embedded and fixed with an exhaust pipe 18 and an inflation pipe 19, the exhaust pipe 18 and the inflation pipe 19 are respectively fixedly connected with the exhaust detection device 15 and the test gas release device 17, a slide groove 20 is provided on the bottom inner wall of the groove 4, and a slider 21 is embedded and slides inside the slide groove 20. The top of the slider 21 is fixedly connected to the bottom of the U-shaped plate 6, and the surface of the slider 21 is penetrated and threaded with a screw 24. By placing the chip into the chip slot 9, the slider 21 is driven to move by the rotation of the screw 24 so that the U-shaped plate 6 is embedded in the groove 4. At this time, the chip can be tested by the exhaust detection device 15 and the test gas release device 17. When the test is completed, the U-shaped plate 6 can be separated from the inside of the groove 4 by rotating the screw 24 in the opposite direction. At this time, the push disk 12 is pushed by the electric push rod 13, which can facilitate the removal of the chip.

[0016] like Figure 1As shown, support legs 2 are fixed to the bottom of the test body 1 and near the four corners of the bottom, and anti-slip pads 3 are fixed to the bottom of the support legs 2. Through the above arrangement, the support legs 2 can support the bottom of the test body 1.

[0017] like Figure 2 As shown, an L-shaped sealing ring gasket 8 is fixed to one side wall of the extrusion plate 7 , and the L-shaped sealing ring gasket 8 is adapted to the groove in the L-shaped ring groove 5 . Through the above arrangement, the sealing effect between the extrusion plate 7 and the test body 1 can be improved.

[0018] like Figure 3 As shown, one end of the screw 24 is rotatably connected to the inner wall bearing at one end of the slide 20, and the other end of the slide 20 is embedded and fixed with a drive motor 22, and the output end of the drive motor 22 is fixedly connected to one end of the screw 24. Through the above arrangement, the drive motor 22 can drive the tangerine 24 to rotate.

[0019] like Figure 3 As shown, a control panel 23 is fixed on the top surface of the air extraction detection device 15. Through the above arrangement, the control panel 23 can control the device.

[0020] like Figure 1 As shown, the control panel 23 is electrically connected to the electric push rod 13, the air extraction detection device 15, the test gas release device 17 and the drive motor 22. Through the above settings, the control and testing effects can be achieved.

[0021] The usage and working principle of this device are as follows: the control panel 23 is used to control the driving motor 22 to drive the screw 24 to rotate, and the rotation of the screw 24 drives the slider 21 to move inside the slide groove 20, and the movement of the slider 21 drives the U-shaped plate 6 to separate from the inside of the test body 1. At this time, by placing the chip to be tested into the chip slot 9, the chip can be placed. At this time, the control panel 23 is used to control the driving motor 22 to drive the screw 24 to rotate in the opposite direction, which can embed the U-shaped plate 6 into the groove 4, and at the same time make the extrusion plate 7 squeeze the L-shaped sealing ring gasket 8. At this time, the control panel 23 is used to control the vacuum detection device 15 and the test gas release device 17 to detect the chip. When the detection is completed, the control panel 23 is used to control the driving motor 22 to drive the U-shaped plate 6 to disengage from the groove 4 again. At this time, the control panel 23 controls the electric push rod 13 to push the push disk 12 to rise, which can facilitate the removal of the chip after the detection, thereby achieving the effect of improving the detection efficiency.

[0022] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A chip packaging sealing test fixture, characterized in that: include: A test body (1), wherein a groove (4) is provided on one side wall of the test body (1), an L-shaped annular groove (5) is provided on one side wall of the test body (1) and is located at the edge of the groove (4), a U-shaped plate (6) is provided inside the groove (4), an extrusion plate (7) is fixed at one end of the U-shaped plate (6) and is located inside the L-shaped annular groove (5), a chip groove (9) is provided on the bottom inner wall of the U-shaped plate (6), a circular groove (10) is provided on the bottom inner wall of the chip groove (9) and is located near the center, a first embedding groove (11) is provided on the bottom inner wall of the circular groove (10) and is located near the center, an electric push rod (13) is embedded and fixed inside the first embedding groove (11), a pushing plate (12) is fixed at the output end of the electric push rod (13) and is located inside the circular groove (10), and the test body ( 1) is respectively provided with a second embedding groove (14) and a third embedding groove (16) on the top and one side wall thereof, wherein a gas extraction detection device (15) and a test gas release device (17) are respectively embedded and fixed in the second embedding groove (14) and the third embedding groove (16), wherein a gas extraction pipe (18) and a gas charging pipe (19) are respectively embedded and fixed in the top and one side inner wall of the groove (4), wherein the gas extraction pipe (18) and the gas charging pipe (19) are respectively fixedly connected to the gas extraction detection device (15) and the test gas release device (17), wherein a sliding groove (20) is provided on the bottom inner wall of the groove (4), wherein a sliding block (21) is embedded and slides in the sliding groove (20), wherein the top of the sliding block (21) is fixedly connected to the bottom of the U-shaped plate (6), and a screw (24) is passed through and threadedly connected to the surface of the sliding block (21).

2. The chip package sealing test fixture according to claim 1, characterized in that: Support legs (2) are fixed at the bottom of the test body (1) and near the four corners of the bottom, and anti-slip pads (3) are fixed at the bottom of the support legs (2).

3. The chip package sealing test fixture according to claim 1, characterized in that: An L-shaped sealing ring gasket (8) is fixed to one side wall of the extrusion plate (7), and the L-shaped sealing ring gasket (8) is matched with the groove in the L-shaped ring groove (5).

4. The chip package sealing test fixture according to claim 1, characterized in that: One end of the screw rod (24) is rotatably connected to an inner wall bearing at one end of the slide groove (20), and a driving motor (22) is embedded and fixed at the other end of the slide groove (20), and the output end of the driving motor (22) is fixedly connected to one end of the screw rod (24).

5. The chip package sealing test fixture according to claim 1, characterized in that: A control panel (23) is fixed on the top surface of the air extraction detection device (15).

6. The chip package sealing test fixture according to claim 5, characterized in that: The control panel (23) is electrically connected to the electric push rod (13), the air extraction detection device (15), the test gas release device (17) and the drive motor (22).

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