Jig for testing strength of bonding wire

Abstract

The utility model discloses a bonding wire strength testing jig which comprises a base, a sliding groove is formed in the upper surface of the base, a sliding rod is fixedly connected to the inner surface of the sliding groove, a spring is arranged on the outer surface of the sliding rod, the outer surface of the sliding rod is connected with a U-shaped clamping seat in a sliding mode, and a supporting seat is fixedly connected to the upper surface of the base. The test device can adapt to test bodies of different sizes and materials through a sliding rod, a spring, a U-shaped clamping seat, a second motor, a second lead screw, a sliding block, a clamping plate and a conical thorn, so that the application range of the test device is widened, the clamped test bodies can be rapidly replaced, the test preparation time is shortened, the test efficiency is improved, and meanwhile, the test efficiency is improved. The tensile strength of the bonding line formed by the first test body and the second test body can be accurately measured through the tension sensor, the wire and the controller, so that accurate tensile strength data can be provided, and the performance of the material bonding part can be evaluated.

Description

Technical Field

[0001] The utility model relates to the technical field of testing fixtures, in particular to a bonding line strength testing fixture. Background Art

[0002] Bond line strength testing usually refers to the process of testing the strength of the bond line (i.e. the interface between two or more materials) of materials such as metals, plastics or composite materials in the field of materials science and engineering. The purpose of this test is to evaluate the performance of the bond line when subjected to external forces, including its tensile strength, shear strength, peel strength, etc.

[0003] There are still some disadvantages when measuring the tensile strength of the bond line. For example, it is limited in applicability and can only be applied to test bodies of specific sizes, which limits its versatility and flexibility. Secondly, it is cumbersome to remove the test body, which leads to a longer test cycle and reduces the overall test efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a bonding line strength test fixture, which can adapt to test bodies of different sizes and materials through a slide bar, a spring, a U-shaped holder, a second motor, a second lead screw, a slider, a clamping plate, and a conical thorn, thereby improving the application range of the test device and being able to quickly replace the clamped test body to reduce the test preparation time and improve the test efficiency. At the same time, the tensile strength of the bonding line formed by the first test body and the second test body can be accurately measured through a tension sensor, a wire, and a controller, so as to provide accurate tensile strength data to help evaluate the performance of the material bonding part.

[0005] The utility model also provides a bonding line strength test fixture, including:

[0006] The cam is provided with a first sliding groove, the inner surface of the sliding groove is fixedly connected with a sliding rod, the outer surface of the sliding rod is provided with a spring, the outer surface of the sliding rod is slidably connected with the U-shaped card seat, the upper surface of the base is fixedly connected with a supporting seat, the upper surface of the supporting seat is fixedly connected with a top plate, the upper surface of the top plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first lead screw, the outer surface of the first lead screw is threadedly connected with a fixing plate, the inner surface of the fixing plate is slidably connected with a guide rod, the lower surface of the fixing plate is fixedly connected with an adjusting frame, the front surface of the adjusting frame is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a second lead screw, the outer surface of the second lead screw is threadedly connected with a sliding block, the lower surface of the sliding block is fixedly connected with a clamping plate, the side surface of the clamping plate is provided with a conical thorn, the upper surface of the base is provided with a first test body, and the lower surface of the adjusting frame is provided with a second test body.

[0007] A fixing block is fixedly connected to the right surface of the base, a tension sensor is arranged on the upper surface of the fixing block, a wire is arranged on the outer surface of the tension sensor, and a controller is fixedly connected to one end of the wire away from the tension sensor.

[0008] According to the described bonding line strength testing fixture, the number of the slide grooves is two and they are distributed on the left and right sides, and the inner surface of the slide groove is adapted to the U-shaped holder and is used to limit the movement of the U-shaped holder.

[0009] According to the bonding wire strength testing fixture, one end of the spring is fixedly connected to the base, and the other end of the spring is fixedly connected to the U-shaped holder.

[0010] According to the bonding line strength test fixture, the outer surface of the first test body is in contact with the top plate, and the side surface of the clamping plate is in contact with the second test body.

[0011] According to the bonding wire strength testing fixture, the outer surface of the first lead screw is rotatably connected to the top plate, and the outer surface of the first lead screw is rotatably connected to the support seat.

[0012] According to the bonding line strength testing fixture, the upper end of the guide rod is fixedly connected to the support seat, and the lower end of the guide rod is fixedly connected to the base.

[0013] According to the described bonding line strength testing fixture, the number of the clamping plates is two and they are distributed front and back, and the outer surface of the second lead screw is rotatably connected to the adjustment frame.

[0014] According to the bonding wire strength testing fixture, the first motor, the second motor, and the controller are all electrically connected to an external power supply.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the overall structure of a bonding wire strength test fixture of the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure enlargement at the center A;

[0019] Figure 3 This is a partial structural schematic diagram of a bonding wire strength test fixture of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the internal structure of a bonding wire strength testing fixture.

[0021] Legend:

[0022] 1. Base; 2. Slide groove; 3. Slide rod; 4. Spring; 5. U-shaped holder; 6. Support seat; 7. Top plate; 8. First motor; 9. Fixed plate; 10. Guide rod; 11. Adjustment frame; 12. Second motor; 13. Second lead screw; 14. Slider; 15. Clamping plate; 16. Conical thorn; 17. First test body; 18. Second test body; 19. Fixed block; 20. Tension sensor; 21. Wire; 22. Controller; 23. First lead screw. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4The utility model embodiment is a wire strength test fixture, which includes: a base 1, a slide groove 2 is arranged on the upper surface of the base 1, a slide rod 3 is fixedly connected to the inner surface of the slide groove 2, a spring 4 is arranged on the outer surface of the slide rod 3, the outer surface of the slide rod 3 is slidably connected to the U-shaped card seat 5, a support seat 6 is fixedly connected to the upper surface of the base 1, a top plate 7 is fixedly connected to the upper surface of the support seat 6, a first motor 8 is fixedly connected to the upper surface of the top plate 7, a first lead screw 23 is fixedly connected to the output end of the first motor 8, a fixing plate 9 is threadedly connected to the outer surface of the first lead screw 23, a guide rod 10 is slidably connected to the inner surface of the fixing plate 9, an adjusting frame 11 is fixedly connected to the lower surface of the fixing plate 9, a second motor 12 is fixedly connected to the front surface of the adjusting frame 11, a second lead screw 13 is fixedly connected to the output end of the second motor 12, a slider 14 is threadedly connected to the outer surface of the second lead screw 13, and a clamping Plate 15, the side surface of the clamping plate 15 is provided with a conical thorn 16, the upper surface of the base 1 is provided with a first test body 17, the lower surface of the adjusting frame 11 is provided with a second test body 18, the number of the slide grooves 2 is two and they are distributed left and right, the inner surface of the slide groove 2 is adapted to the U-shaped holder 5, one end of the spring 4 is fixedly connected to the base 1, the other end of the spring 4 is fixedly connected to the U-shaped holder 5, the outer surface of the first test body 17 is in contact with the top plate 7, the side surface of the clamping plate 15 is in contact with the second test body 18, the outer surface of the first lead screw 23 is rotatably connected to the top plate 7, the outer surface of the first lead screw 23 is rotatably connected to the support seat 6, the upper end of the guide rod 10 is fixedly connected to the support seat 6, the lower end of the guide rod 10 is fixedly connected to the base 1, the number of the clamping plates 15 is two and they are distributed front and back, the outer surface of the second lead screw 13 is rotatably connected to the adjusting frame 11, the first motor 8 and the second motor 12 are both electrically connected to an external power supply.

[0025] A fixed block 19 is fixedly connected to the right surface of the base 1, a tension sensor 20 is arranged on the upper surface of the fixed block 19, a wire 21 is arranged on the outer surface of the tension sensor 20, and a controller 22 is fixedly connected to one end of the wire 21 away from the tension sensor 20, and the controller 22 is electrically connected to an external power supply.

[0026] Working principle: When testing the tensile strength of the bonding line, the U-shaped holder 5 is pulled outward along the slide bar 3, and the first test body 17 and the second test body 18 are placed on the base 1 as a whole, and then the U-shaped holder 5 is released. Under the restoring force of the spring 4, the U-shaped holder 5 can automatically limit the position of the first test body 17, and at the same time, the second motor 12 is started to drive the clamping plates 15 at both ends to move toward each other along the second lead screw 13, so as to fix and clamp the second test bodies 18 of different sizes, and under the action of the conical thorns 16, the risk of falling off and sliding can be prevented, thereby improving the test safety. The accuracy of the process, when measuring the tensile strength of the bonding line, start the first motor 8, drive the first screw 23 to drive the fixing plate 9 to move upward along the guide rod 10 as a whole, and accurately record the tension value when the first test body 17 and the second test body 18 are separated through the tension sensor 20, the wire 21, and the controller 22, which is the tensile strength of the bonding line. After the measurement, it is only necessary to push the U-shaped holder 5 to release the restriction on the first test body 17, and at the same time start the second motor 12 in the reverse direction to release the restriction of the clamping plate 15 on the second test body 18, and replace the next set of test bodies, which is simple and convenient.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bonding line strength test fixture, characterized in that: include: A base (1), wherein the upper surface of the base (1) is provided with a slide groove (2), the inner surface of the slide groove (2) is fixedly connected with a slide rod (3), the outer surface of the slide rod (3) is provided with a spring (4), the outer surface of the slide rod (3) is slidably connected with a U-shaped card seat (5), the upper surface of the base (1) is fixedly connected with a support seat (6), the upper surface of the support seat (6) is fixedly connected with a top plate (7), the upper surface of the top plate (7) is fixedly connected with a first motor (8), the output end of the first motor (8) is fixedly connected with a first lead screw (23), the outer surface of the first lead screw (23) is threadedly connected with a fixing plate (9), and the fixing plate (9 ) is slidably connected to a guide rod (10), the lower surface of the fixing plate (9) is fixedly connected to an adjusting frame (11), the front surface of the adjusting frame (11) is fixedly connected to a second motor (12), the output end of the second motor (12) is fixedly connected to a second lead screw (13), the outer surface of the second lead screw (13) is threadedly connected to a slider (14), the lower surface of the slider (14) is fixedly connected to a clamping plate (15), the side surface of the clamping plate (15) is provided with a conical thorn (16), the upper surface of the base (1) is provided with a first test body (17), and the lower surface of the adjusting frame (11) is provided with a second test body (18); A fixing block (19) is fixedly connected to the right surface of the base (1), a tension sensor (20) is arranged on the upper surface of the fixing block (19), a wire (21) is arranged on the outer surface of the tension sensor (20), and a controller (22) is fixedly connected to one end of the wire (21) away from the tension sensor (20).

2. A bonding wire strength test fixture according to claim 1, characterized in that: The number of the slide grooves (2) is two and they are distributed on the left and right sides, and the inner surface of the slide groove (2) is adapted to the U-shaped card seat (5).

3. A bonding wire strength test fixture according to claim 1, characterized in that: One end of the spring (4) is fixedly connected to the base (1), and the other end of the spring (4) is fixedly connected to the U-shaped holder (5).

4. A bonding wire strength test fixture according to claim 1, characterized in that: The outer surface of the first test body (17) is in contact with the top plate (7), and the side surface of the clamping plate (15) is in contact with the second test body (18).

5. A bonding line strength test fixture according to claim 1, characterized in that: The outer surface of the first lead screw (23) is rotatably connected to the top plate (7), and the outer surface of the first lead screw (23) is rotatably connected to the support seat (6).

6. A bonding line strength test fixture according to claim 1, characterized in that: The upper end of the guide rod (10) is fixedly connected to the support seat (6), and the lower end of the guide rod (10) is fixedly connected to the base (1).

7. A bonding line strength test fixture according to claim 1, characterized in that: The number of the clamping plates (15) is two and they are distributed front and back, and the outer surface of the second lead screw (13) is rotatably connected to the adjustment frame (11).

8. A bonding wire strength test fixture according to claim 1, characterized in that: The first motor (8), the second motor (12) and the controller (22) are all electrically connected to an external power source.

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