Integrated circuit chip welding strength testing device

Abstract

The utility model discloses an integrated circuit chip welding strength testing device which comprises a test board, a push-pull tester body and a positioning mechanism, the push-pull tester body is arranged on the test board, and the positioning mechanism is arranged on the test board and located below the push-pull tester body. The positioning mechanism comprises a positioning clamp, a mounting seat and a position adjusting assembly, the position adjusting assembly comprises an X-axis movement module and a Y-axis movement module, the X-axis movement module is arranged on the test bench, the Y-axis movement module is arranged on a sliding part of the X-axis movement module, the mounting seat is arranged on a sliding part of the Y-axis movement module, and the X-axis movement module and the Y-axis movement module are arranged on the test bench. And a quick disassembly and assembly component is arranged on the mounting seat. The utility model relates to the technical field of welding strength testing, and particularly provides an integrated circuit chip welding strength testing device which is convenient for fixing integrated circuit boards with different shapes or specifications, convenient for replacing a clamp and convenient for adjusting the positions of the integrated circuit boards.

Description

Technical Field

[0001] The utility model relates to the technical field of welding strength testing, in particular to a welding strength testing device for integrated circuit chips. Background Technique

[0002] Testing the welding strength of integrated circuit chips is an important link in the electronic manufacturing process. The stability and reliability of the chip welding strength directly affect the performance and lifespan of the entire product. Commonly used testing devices include push-pull testers.

[0003] However, the existing testing devices still have certain deficiencies in use: the existing testing devices usually have fixtures for fixing the integrated circuit board, but traditional fixtures mostly adopt rigid fixing structures and only adapt to chips with specific shapes or sizes. For example, rectangular fixtures can only fix standard rectangular integrated circuit boards. For miniaturized chips, special fixtures need to be customized, and the flexibility in use is poor. When it is necessary to test integrated circuit boards with different shapes or specifications, different fixtures need to be replaced. When replacing the fixtures, steps such as removing screws and adjusting positioning pins are required, which is rather troublesome and time-consuming to operate. Moreover, improper operation is likely to cause positioning deviation and affect the testing accuracy. Content of the Utility Model

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a welding strength testing device for integrated circuit chips, which is convenient for fixing integrated circuit boards with different shapes or specifications, convenient for replacing fixtures, and convenient for adjusting the position of the integrated circuit board.

[0005] The technical solution adopted by the utility model is as follows: A welding strength testing device for integrated circuit chips of the utility model includes a testing table, a push-pull tester body, and a positioning mechanism. The push-pull tester body is arranged on the testing table. The positioning mechanism is arranged on the testing table and is located below the push-pull tester body. The positioning mechanism includes a positioning fixture, a mounting seat, and a position adjustment component. The position adjustment component includes an X-axis movement module and a Y-axis movement module. The X-axis movement module is arranged on the testing table. The Y-axis movement module is arranged on the sliding part of the X-axis movement module. The mounting seat is arranged on the sliding part of the Y-axis movement module. A quick disassembly and assembly component is arranged on the mounting seat. The positioning fixture is detachably arranged on the mounting seat through the quick disassembly and assembly component. The positioning fixture includes a base and clamping plates. The base is detachably arranged on the mounting seat. A groove is arranged on the base. A bidirectional threaded rod is rotatably arranged in the groove. The clamping plates are threadedly sleeved on the bidirectional threaded rod. There are two groups of clamping plates symmetrically arranged. Guide grooves are arranged on the clamping plates. Guide rails are arranged on the base. The clamping plates are slidably arranged on the guide rails through the guide grooves.

[0006] Further, the quick disassembly and assembly component includes a pressure rod, a spring, a sliding seat, and two groups of fixing units symmetrically arranged. A cavity is provided in the mounting seat, a chute is provided in the cavity, a slider is provided on the sliding seat, and the sliding seat is slidably arranged in the chute through the slider. The pressure rod is arranged on the sliding seat and slidably extends outside the cavity. A pressure head is provided at one end of the pressure rod outside the cavity. The spring is sleeved on the pressure rod, and the two ends of the spring are respectively arranged on the pressure head and the outer wall of the mounting seat. The fixing unit includes a connecting rod, a sliding plate, a sliding rod, a connecting plate, and a fixing head. The connecting rod is hinged on the sliding seat, the sliding plate is hinged on the connecting rod and slidably arranged in the cavity, the sliding rod is arranged on the sliding plate and slidably extends outside the cavity, the connecting plate is arranged on the sliding rod, and the fixing head is arranged on the connecting plate. Fixing holes are provided on the base, and the fixing heads are inserted into the fixing holes.

[0007] Further, the X-axis movement module includes a first fixing seat, an X-axis driving lead screw, an X-axis guiding rod, and an X-axis moving seat. The first fixing seat is arranged on the test bench. The X-axis driving lead screw is rotatably arranged on the first fixing seat. The X-axis guiding rod is arranged on the X-axis driving lead screw. The X-axis moving seat is threadedly sleeved on the X-axis driving lead screw and slidably sleeved on the X-axis guiding rod. The Y-axis movement module is arranged on the X-axis moving seat. A first driving motor is provided on the first fixing seat, and one end of the X-axis driving lead screw is arranged on the output shaft of the first driving motor.

[0008] Further, the Y-axis movement module includes a second fixing seat, a Y-axis driving lead screw, a Y-axis guiding rod, and a Y-axis moving seat. The second fixing seat is arranged on the X-axis moving seat. The Y-axis driving lead screw is rotatably arranged on the second fixing seat. The Y-axis guiding rod is arranged on the second fixing seat. The Y-axis moving seat is threadedly sleeved on the Y-axis driving lead screw and slidably sleeved on the Y-axis guiding rod. The mounting seat is arranged on the Y-axis moving seat. A second driving motor is provided on the second fixing seat, and one end of the Y-axis driving lead screw is arranged on the output shaft of the second driving motor.

[0009] Further, a knob for driving its rotation is provided at one end of the bidirectional threaded rod.

[0010] Further, the upper part of the clamping plate is stepped.

[0011] The beneficial effects achieved by the present utility model with the above structure are as follows: This solution is provided with a positioning fixture and a position adjustment component. The integrated circuit board can be conveniently fixed through the positioning fixture, and the position of the integrated circuit board can be conveniently adjusted through the position adjustment component; This solution is provided with a quick disassembly and assembly component, and the positioning fixture can be conveniently and quickly installed through the quick disassembly and assembly component, so as to conveniently replace the positioning fixture according to the different shapes or specifications of the integrated circuit board. Brief Description of the Drawings

[0012] The drawings are used to provide a further understanding of the present utility model and form a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0013] Figure 1 is a perspective view of an embodiment of the present utility model;

[0014] Figure 2 is a front view of an embodiment of the present utility model;

[0015] Figure 3 is Figure 2 a cross-sectional view taken along the A-A section in;

[0016] Figure 4 is a left view of an embodiment of the present utility model;

[0017] Figure 5 is a top view of an embodiment of the present utility model;

[0018] Figure 6 is Figure 3 an enlarged view of part A in;

[0019] Figure 7 is a structural schematic diagram of the positioning mechanism in an embodiment of the present utility model;

[0020] Figure 8 is an exploded view of the positioning mechanism in an embodiment of the present utility model.

[0021] Among them, 1, test bench; 2, push-pull tester body; 3, positioning mechanism; 4, positioning fixture; 5, mounting seat; 6, position adjustment component; 7, base; 8, clamping plate; 9, bidirectional threaded rod; 10, guide rail; 11, guide groove; 12, knob; 13, quick disassembly and assembly component; 14, X-axis movement module; 15, Y-axis movement module; 16, pressure rod; 17, spring; 18, sliding seat; 19, connecting rod; 20, sliding plate; 21, sliding rod; 22, connecting plate; 23, fixed head; 24, fixing hole; 25, pressure head; 26, slider; 27, chute; 28, first fixing seat; 29, X-axis driving lead screw; 30, X-axis guiding rod; 31, X-axis moving seat; 32, first driving motor; 33, second fixing seat; 34, Y-axis driving lead screw; 35, Y-axis guiding rod; 36, Y-axis moving seat; 37, second driving motor. Detailed Description of the Preferred Embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] As Figures 1 - 8 shown, a device for testing the welding strength of an integrated circuit chip according to the present utility model includes a test bench 1, a push-pull tester body 2, and a positioning mechanism 3. The push-pull tester body 2 is disposed on the test bench 1, and the positioning mechanism 3 is disposed on the test bench 1 and below the push-pull tester body 2. The positioning mechanism 3 includes a positioning fixture 4, a mounting seat 5, and a position adjustment component 6. The position adjustment component 6 includes an X-axis movement module 14 and a Y-axis movement module 15. The X-axis movement module 14 is disposed on the test bench 1, and the Y-axis movement module 15 is disposed on the sliding part of the X-axis movement module 14. The mounting seat 5 is disposed on the sliding part of the Y-axis movement module 15. A quick-disassembly and assembly component 13 is provided on the mounting seat 5, and the positioning fixture 4 is detachably disposed on the mounting seat 5 through the quick-disassembly and assembly component 13. The positioning fixture 4 includes a base 7 and a clamping plate 8. The base 7 is detachably disposed on the mounting seat 5. A groove is provided on the base 7, and a bidirectional threaded rod 9 is rotatably disposed in the groove. The clamping plate 8 is threadedly sleeved on the bidirectional threaded rod 9. Two groups of clamping plates 8 are symmetrically provided. A guide groove 11 is provided on the clamping plate 8, and a guide rail 10 is provided on the base 7. The clamping plate 8 is slidably disposed on the guide rail 10 through the guide groove 11. One end of the bidirectional threaded rod 9 is provided with a knob 12 for driving its rotation; the upper part of the clamping plate 8 is stepped.

[0025] The quick disassembly and assembly component 13 includes a pressure rod 16, a spring 17, a sliding seat 18 and two sets of fixing units symmetrically arranged. A cavity is provided in the mounting seat 5, and a sliding groove 27 is provided in the cavity. A slider 26 is provided on the sliding seat 18, and the sliding seat 18 is slidably arranged in the sliding groove 27 through the slider 26. The pressure rod 16 is arranged on the sliding seat 18 and slidably extends outside the cavity. A pressure head 25 is provided at one end of the pressure rod 16 outside the cavity. The spring 17 is sleeved on the pressure rod 16, and both ends of the spring 17 are respectively arranged on the pressure head 25 and the outer wall of the mounting seat 5. The fixing unit includes a connecting rod 19, a sliding plate 20, a sliding rod 21, a connecting plate 22 and a fixing head 23. The connecting rod 19 is hinged on the sliding seat 18. The sliding plate 20 is hinged on the connecting rod 19 and slidably arranged in the cavity. The sliding rod 21 is arranged on the sliding plate 20 and slidably extends outside the cavity. The connecting plate 22 is arranged on the sliding rod 21, and the fixing head 23 is arranged on the connecting plate 22. A fixing hole 24 is provided on the base 7, and the fixing head 23 is inserted into the fixing hole 24.

[0026] The X-axis movement module 14 includes a first fixed seat 28, an X-axis driving lead screw 29, an X-axis guiding rod 30 and an X-axis moving seat 31. The first fixed seat 28 is arranged on the test bench 1. The X-axis driving lead screw 29 is rotatably arranged on the first fixed seat 28. The X-axis guiding rod 30 is arranged on the X-axis driving lead screw 29. The X-axis moving seat 31 is threadedly sleeved on the X-axis driving lead screw 29 and slidably sleeved on the X-axis guiding rod 30. The Y-axis movement module 15 is arranged on the X-axis moving seat 31. A first driving motor 32 is provided on the first fixed seat 28, and one end of the X-axis driving lead screw 29 is arranged on the output shaft of the first driving motor 32; The Y-axis movement module 15 includes a second fixed seat 33, a Y-axis driving lead screw 34, a Y-axis guiding rod 35 and a Y-axis moving seat 36. The second fixed seat 33 is arranged on the X-axis moving seat 31. The Y-axis driving lead screw 34 is rotatably arranged on the second fixed seat 33. The Y-axis guiding rod 35 is arranged on the second fixed seat 33. The Y-axis moving seat 36 is threadedly sleeved on the Y-axis driving lead screw 34 and slidably sleeved on the Y-axis guiding rod 35. The mounting seat 5 is arranged on the Y-axis moving seat 36. A second driving motor 37 is provided on the second fixed seat 33, and one end of the Y-axis driving lead screw 34 is arranged on the output shaft of the second driving motor 37.

[0027] During specific use, place the integrated circuit board between two sets of clamping plates 8, and then rotate the knob 12. The rotation of the knob 12 drives the bidirectional threaded rod 9 to rotate, and the bidirectional threaded rod 9 drives the two sets of clamping plates 8 to approach each other, thereby clamping the integrated circuit board at the stepped portion on the upper part of the clamping plates 8. After fixing the integrated circuit board, the push-pull tester body 2 can be used to test the welding strength of the integrated circuit board. The positioning fixture 4 can be replaced according to the shape and specifications of the integrated circuit board to be tested. When replacing the positioning fixture 4, just press the pressing head 25 to compress the spring 17. The pressing head 25 drives the pressure rod 16 to slide, the pressure rod 16 drives the sliding seat 18 to slide, the sliding seat 18 drives the sliding plate 20 to slide through the connecting rod 19, the sliding plate 20 drives the sliding rod 21 to slide, the sliding rod 21 drives the connecting plate 22 to move away from the base 7, and the connecting plate 22 drives the fixing head 23 to move out of the fixing hole 24, and then the positioning fixture 4 can be removed for replacement, and the operation is simpler and more convenient. The first driving motor 32 can drive the X-axis driving lead screw 29 to rotate, the X-axis driving lead screw 29 drives the X-axis moving seat 31 to move, the X-axis moving seat 31 drives the Y-axis motion module 15 to move, and the Y-axis motion module 15 drives the mounting seat 5, the positioning fixture 4 and the integrated circuit board to move, so that the position of the integrated circuit board can be adjusted in the X direction. The second driving motor 37 can drive the Y-axis driving lead screw 34 to rotate, the Y-axis driving lead screw 34 drives the Y-axis moving seat 36 to move, the Y-axis moving seat 36 drives the mounting seat 5 to move, and the mounting seat 5 drives the positioning fixture 4 and the integrated circuit board to move, so that the position of the integrated circuit board can be adjusted in the Y direction.

[0028] In summary, this solution is provided with a positioning fixture 4 and a position adjusting component 6. The positioning fixture 4 facilitates the fixing of the integrated circuit board, and the position adjusting component 6 facilitates the adjustment of the position of the integrated circuit board; this solution is provided with a quick disassembly and assembly component 13, and the quick disassembly and assembly component 13 facilitates the quick installation of the positioning fixture 4, so as to facilitate the replacement of the positioning fixture 4 according to the different shapes or specifications of the integrated circuit board.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For a person skilled in the art, it is obvious that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An integrated circuit chip welding strength testing device, comprising a test bench (1), a push-pull tester body (2) and a positioning mechanism (3), wherein the push-pull tester body (2) is arranged on the test bench (1), and the positioning mechanism (3) is arranged on the test bench (1) and below the push-pull tester body (2), characterized in that: The positioning mechanism (3) comprises a positioning fixture (4), a mounting seat (5) and a position adjustment component (6); the position adjustment component (6) comprises an X-axis motion module (14) and a Y-axis motion module (15); the X-axis motion module (14) is arranged on the test bench (1); the Y-axis motion module (15) is arranged on the sliding part of the X-axis motion module (14); the mounting seat (5) is arranged on the sliding part of the Y-axis motion module (15); a quick disassembly assembly (13) is arranged on the mounting seat (5); the positioning fixture (4) is arranged by the quick disassembly assembly (13) can be detachably mounted on the mounting seat (5), the positioning fixture (4) comprises a base (7) and a clamp (8), the base (7) can be detachably mounted on the mounting seat (5), the base (7) is provided with a groove, a bidirectional threaded rod (9) is rotatably arranged in the groove, the clamp (8) is arranged on the bidirectional threaded rod (9) by means of a threaded sleeve, the clamp (8) is symmetrically provided with two groups, the clamp (8) is provided with a guide groove (11), the base (7) is provided with a guide rail (10), and the clamp (8) is slidably arranged on the guide rail (10) through the guide groove (11).

2. The integrated circuit chip welding strength testing device according to claim 1, characterized in that: The quick disassembly assembly (13) comprises a pressure rod (16), a spring (17), a slide seat (18) and two groups of symmetrically arranged fixing units. A cavity is arranged in the mounting seat (5), a slide groove (27) is arranged in the cavity, a slider (26) is arranged on the slide seat (18), the slide seat (18) is slidably arranged in the slide groove (27) through the slider (26), the pressure rod (16) is arranged on the slide seat (18) and slides to extend outside the cavity, a pressure head (25) is arranged on one end of the pressure rod (16) outside the cavity, the spring (17) is sleeved on the pressure rod (16), and the two ends of the spring (17) are respectively arranged on the pressure head (25) and the mounting seat (5). On the outer wall of the mounting seat (5), the fixing unit comprises a connecting rod (19), a sliding plate (20), a sliding rod (21), a connecting plate (22) and a fixing head (23); the connecting rod (19) is hingedly arranged on the sliding seat (18); the sliding plate (20) is hingedly arranged on the connecting rod (19) and is slidably arranged in the cavity; the sliding rod (21) is arranged on the sliding plate (20) and is slidably extended to the outside of the cavity; the connecting plate (22) is arranged on the sliding rod (21); the fixing head (23) is arranged on the connecting plate (22); a fixing hole (24) is arranged on the base (7); and the fixing head (23) is inserted into the fixing hole (24).

3. The integrated circuit chip welding strength testing device according to claim 1, characterized in that: The X-axis motion module (14) comprises a first fixed seat (28), an X-axis driving screw rod (29), an X-axis guide rod (30) and an X-axis movable seat (31); the first fixed seat (28) is arranged on the test bench (1); the X-axis driving screw rod (29) is rotatably arranged on the first fixed seat (28); the X-axis guide rod (30) is arranged on the X-axis driving screw rod (29); the X-axis movable seat (31) is arranged on the X-axis driving screw rod (29) by threaded sleeve connection and is slidably sleeve connection on the X-axis guide rod (30); the Y-axis motion module (15) is arranged on the X-axis movable seat (31); the first fixed seat (28) is provided with a first driving motor (32); one end of the X-axis driving screw rod (29) is arranged on the output shaft of the first driving motor (32).

4. The integrated circuit chip welding strength testing device according to claim 3, characterized in that: The Y-axis motion module (15) comprises a second fixed seat (33), a Y-axis driving screw rod (34), a Y-axis guiding rod (35) and a Y-axis movable seat (36); the second fixed seat (33) is arranged on the X-axis movable seat (31); the Y-axis driving screw rod (34) is rotatably arranged on the second fixed seat (33); the Y-axis guiding rod (35) is arranged on the second fixed seat (33); the Y-axis movable seat (36) is arranged on the Y-axis driving screw rod (34) by threaded sleeve connection and is slidably sleeve connection on the Y-axis guiding rod (35); the mounting seat (5) is arranged on the Y-axis movable seat (36); a second driving motor (37) is arranged on the second fixed seat (33); and one end of the Y-axis driving screw rod (34) is arranged on the output shaft of the second driving motor (37).

5. The integrated circuit chip welding strength testing device according to claim 1, characterized in that: One end of the bidirectional threaded rod (9) is provided with a knob (12) for driving the bidirectional threaded rod (9) to rotate.

6. The integrated circuit chip welding strength testing device according to claim 1, characterized in that: The upper part of the clamping plate (8) is in a step shape.

Images