Test piece inlaid with drill-bit-shaped tungsten alloy

Abstract

The utility model provides a drill-bit-shaped tungsten alloy test piece. The drill-bit-shaped tungsten alloy inlaid test piece comprises a bottom plate; the supporting frame is fixedly connected to the top of the bottom plate, the top of the supporting frame is fixedly connected with a test board, and two mounting plates are mounted at the top of the test board. According to the test piece inlaid with the drill-bit-shaped tungsten alloy, through the design, the contact area is large, uniform contact pressure can be provided, contact resistance can be remarkably reduced through large-area contact, the stability of signal transmission is guaranteed, signal reflection or loss is reduced, the finger-shaped process is simple, the production cost is relatively low, and the test piece is suitable for popularization and application. Benefited from the drill-bit-shaped tungsten alloy head which is similar to a triangular structure and is stable, more stable strength is achieved in repeated tests, poor contact caused by breakage of the head tungsten alloy is avoided, and therefore the more stable and reliable contact effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inlay drill bit shape tungsten alloy test piece, especially to a kind of inlay drill bit shape tungsten alloy's test piece. BACKGROUND

[0002] Traditional planar test piece is a kind of elastic metal contact device, widely used in electronic component testing, aging test and production verification, which is due to the demand for efficient, reliable and repeatable electrical connection.

[0003] Especially in chip and circuit board testing, sheet-shaped contact finger becomes an indispensable component in test fixture and equipment due to its simple structure, excellent performance and flexibility, and is widely used in semiconductor testing, PCB function testing, automotive electronics, communication equipment and consumer electronics fields.

[0004] With the continuous development of technology, traditional planar test piece gradually shows some technical deficiencies in more complex and more demanding test environment, such as insufficient wear resistance, poor contact pressure stability, short service life, poor signal integrity and limited large current transmission capacity.

[0005] Therefore, it is necessary to provide a kind of inlay drill bit shape tungsten alloy test piece to solve the above technical problems. INVENTION CONTENTS

[0006] The utility model provides a kind of inlay drill bit shape tungsten alloy test piece, solve the traditional planar test piece in more complex, more demanding test environment gradually shows some technical deficiencies such as insufficient wear resistance, poor contact pressure stability, short service life, poor signal integrity and limited large current transmission capacity problem.

[0007] To solve the above technical problems, the utility model provides a kind of inlay drill bit shape tungsten alloy test piece, which comprises a bottom plate;

[0008] Support frame, the support frame is fixedly connected at the top of bottom plate, the top of support frame is fixedly connected with test table, the top of test table is installed with two mounting plates, the top of two mounting plates is installed with a plurality of first test piece and second test piece by fixed plate, the one end of a plurality of second test pieces is installed with first tungsten alloy head, the one end of a plurality of first test pieces is installed with a plurality of second tungsten alloy head by supporting plate, and the top of two groups of first tungsten alloy head and second tungsten alloy head is provided with test structure;

[0009] Two fixed clamps, two fixed clamps are respectively installed at the top of test table near the front and back surface position, the fixed clamp contains support plate, one side of support plate is installed with first telescopic rod, and the telescopic end of first telescopic rod is installed with clamp.

[0010] The advantages of the welded tungsten alloy test piece are as follows: high wear resistance: the tungsten alloy head has a very high hardness of 70HRC or above, which can withstand repeated mechanical friction, and the wear is significantly reduced in high-frequency test equipment; longer service life: due to the very high hardness of the tungsten alloy material, the design service life of the welded tungsten alloy test piece is much higher than that of the un-welded design; stable performance in high-temperature environment: the tungsten alloy has excellent high-temperature resistance, and can maintain stable mechanical strength and contact performance in high-temperature aging test; excellent electrical conductivity: the welded tungsten alloy test piece can ensure low resistance connection between the tungsten steel head and the test piece body by optimizing the welding process, thereby reducing signal transmission loss.

[0011] Preferably, the front surface of the support frame is provided with a control box, and the front surface of the control box is rotatably connected with a box door.

[0012] The inside of the control box is provided with a power switch and a controller for controlling the operation of the equipment.

[0013] Preferably, the front surface of the support frame is provided with a mounting base, and the front surface of the mounting base is provided with an operation screen.

[0014] Preferably, the bottom of one of the mounting plates is provided with mounting grooves near the front surface and the back surface, and the inside of the mounting grooves is rotatably connected with pulleys near the two sides.

[0015] The other mounting plate and the test bench are fixed by bolts, and the mounting plate with pulleys can adjust the position according to the needs.

[0016] Preferably, the top of the test bench is provided with two sliding rails near one side, and the test bench is provided with a connecting plate on one side.

[0017] Preferably, the connecting plate is provided with a second telescopic rod away from the test bench, the telescopic end of the second telescopic rod is connected with one side of the mounting plate, and the connecting plate is slidably connected with stabilizing rods near the front surface and the back surface.

[0018] One end of the two stabilizing rods is connected with one side of the mounting plate provided with the mounting grooves.

[0019] Compared with the related art, the test piece of the inlaid drill bit shape tungsten alloy has the following beneficial effects:

[0020] This invention provides a tungsten alloy test piece in the shape of an embedded drill bit. To improve the stability and wear resistance of the tungsten alloy test piece during testing, the tungsten alloy head has an extremely high hardness of over 70 HRC, enabling it to withstand repeated mechanical friction. This significantly reduces wear and extends service life in high-frequency testing equipment. Simultaneously, the tungsten alloy head possesses excellent high-temperature resistance, maintaining stable mechanical strength and contact performance during high-temperature aging tests. Furthermore, the tungsten alloy head exhibits excellent electrical conductivity, making it suitable for harsh environments. This design allows for a larger contact area, providing uniform contact pressure. The large contact area significantly reduces contact resistance, ensuring stable signal transmission and reducing signal reflection or loss. The finger-shaped design is simple to manufacture, with relatively low production costs, making it suitable for mass production. Higher structural strength is achieved through the drill-shaped tungsten alloy head, which has a stable, triangular structure, resulting in more stable strength during repeated testing. This prevents the tungsten alloy head from breaking, which could lead to poor contact, thus providing a more stable and reliable contact effect. Attached Figure Description

[0021] Figure 1 A schematic diagram of the structure of the first embodiment of the tungsten alloy test piece in the shape of an embedded drill bit provided by this utility model;

[0022] Figure 2 A schematic diagram of the fixture is provided for this utility model;

[0023] Figure 3 Provided for this utility model Figure 2 An enlarged view of point A shown;

[0024] Figure 4 A schematic diagram of the structure of a second embodiment of the tungsten alloy test piece in the shape of an embedded drill bit provided by this utility model;

[0025] Figure 5 Provided for this utility model Figure 4 A magnified view of point B shown.

[0026] The following are the labeling elements in the diagram: 1. Base plate, 2. Support frame, 3. Test platform, 4. Mounting plate, 5. Fixing plate, 6. First test piece, 7. Fixing clamp, 701. Support plate, 702. First telescopic rod, 703. Clamp, 8. Test structure, 9. Operation panel, 10. Mounting base, 11. Control box, 12. Second test piece, 13. Box door, 14. First tungsten alloy head, 15. Second tungsten alloy head, 16. Support plate, 17. Second telescopic rod, 18. Connecting plate, 19. Pulley, 20. Slide rail, 21. Stabilizing rod, 22. Mounting slot. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] First embodiment

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 Wherein, Figure 1 It is a structural schematic diagram of the first embodiment of the test piece of the embedded drill bit shaped tungsten alloy provided by the utility model; Figure 2 It is a structural schematic diagram of the fixture provided by the utility model; Figure 3 It is provided by the utility model Figure 2 The enlarged view of A shown in the figure. The test piece of the embedded drill bit shaped tungsten alloy comprises: a bottom plate 1;

[0030] A support frame 2 is fixedly connected at the top of the bottom plate 1, a test table 3 is fixedly connected at the top of the support frame 2, two mounting plates 4 are installed at the top of the test table 3, a plurality of first test pieces 6 and second test pieces 12 are installed on the top of the two mounting plates 4 through a fixed plate 5, a first tungsten alloy head 14 is installed at one end of each of the plurality of second test pieces 12, a plurality of second tungsten alloy heads 15 are installed at one end of the plurality of first test pieces 6 through a supporting plate 16, and a test structure 8 is arranged at the top of the two groups of first tungsten alloy heads 14 and second tungsten alloy heads 15;

[0031] Two fixed clamps 7 are installed at the positions close to the front and back surfaces at the top of the test table 3 respectively, the fixed clamp 7 comprises a support plate 701, a first telescopic rod 702 is installed on one side of the support plate 701, and a clamp 703 is installed at the telescopic end of the first telescopic rod 702;

[0032] The advantages of the welded tungsten alloy test piece are as follows: high wear resistance: the extremely high hardness of the tungsten alloy head, more than 70HRC, enables it to withstand repeated mechanical friction, significantly reducing wear in high-frequency test equipment; longer service life: thanks to the extremely high hardness of the tungsten alloy material, the design service life of the welded tungsten alloy test piece is much higher than that of the unwelded design; stable performance in high-temperature environment: tungsten alloy has excellent high-temperature resistance and can maintain stable mechanical strength and contact performance in high-temperature aging tests; excellent electrical conductivity: the welded tungsten alloy test piece can ensure low resistance connection between the tungsten steel head and the test piece body through optimized welding process, thereby reducing signal transmission loss; adapt to harsh environment: the corrosion and oxidation resistance of tungsten steel enables it to perform excellently in high humidity, high pressure or corrosive environment; the fixed clamp 7 can clamp and fix the test structure 8 during testing, improving the testing stability.

[0033] A control box 11 is installed on the front of the support frame 2, and a box door 13 is rotatably connected to the front of the control box 11;

[0034] The box door 13 is provided with a lock, and the inside of the control box 11 is provided with a power switch and a controller for controlling the operation of the equipment.

[0035] The front surface of the support frame 2 is provided with a mounting base 10, and the front surface of the mounting base 10 is provided with an operation screen 9.

[0036] The operation screen 9 can set parameters of the equipment operation on the bottom plate 1.

[0037] The working principle of the test piece with the embedded drill bit shape tungsten alloy provided by the utility model is as follows:

[0038] The tungsten alloy head has a very high hardness of 70HRC or above, so that it can withstand repeated mechanical friction, significantly reduce wear in high-frequency test equipment, prolong service life, and the tungsten alloy head has excellent high-temperature resistance, can maintain stable mechanical strength and contact performance in high-temperature aging test, and the tungsten alloy head also has excellent electrical conductivity and is suitable for harsh environments, in the welding tungsten alloy first test piece 6 and the second test piece 12 are fixed in the fixed plate 5, the first test piece 6 and the second test piece 12 are used as the main material, such as beryllium copper, and a certain pressure is applied through elastic deformation, so that the first tungsten alloy head 14 and the second tungsten alloy head 15 are in close contact with the conductive area of the test structure 8, the head of the first tungsten alloy head 14 and the second tungsten alloy head 15 has high hardness and precise machining, and forms a smooth and flat contact interface with the test structure 8, if the test structure 8 has an oxidation layer or pollution such as a slight oxidation film, then the head edge of the first tungsten alloy head 14 and the second tungsten alloy head 15 can pierce these surfaces, and ensure good electrical connection, after the connection is completed, the signal is transmitted from the test equipment to the tungsten alloy head through the test piece main body, and then a low-impedance electrical path is formed between the head of the first tungsten alloy head 14 and the second tungsten alloy head 15 and the conductive area of the test structure 8.

[0039] Compared with the related art, the test piece with the embedded drill bit shape tungsten alloy has the following beneficial effects:

[0040] In order to improve the stability and wear resistance of the test piece of the inlaid drill bit shape tungsten alloy during testing, the tungsten alloy head is provided with extremely high hardness of 70HRC or more, so that it can withstand repeated mechanical friction, the wear is significantly reduced in the high-frequency testing equipment, and the service life is prolonged, meanwhile, the tungsten alloy head is provided with excellent high-temperature resistance, can keep stable mechanical strength and contact performance in high-temperature aging test, and the tungsten alloy head is also provided with excellent electric conductivity and is suitable for harsh environment, through the design, the contact area is large, uniform contact pressure can be provided, the large-area contact can significantly reduce the contact resistance, the stability of signal transmission is ensured, signal reflection or loss is reduced, the finger shape process is simple, the production cost is relatively low, batch production is suitable, and the higher structural strength is: due to the tungsten alloy head in the shape of the drill bit, similar to the triangular structure is stable, has more stable strength in repeated testing, the rupture of the tungsten alloy head is avoided, and the contact is not good, so that more stable and reliable contact effect is brought.

[0041] Second embodiment

[0042] Please refer to Figure 4-5 , Figure 4 The second embodiment of the test piece of the inlaid drill bit shape tungsten alloy provided by the utility model provides a structural schematic view; Figure 5 The utility model provides Figure 4 The second embodiment of the test piece of the inlaid drill bit shape tungsten alloy provided by the utility model provides a structural schematic view;

[0043] Specifically, the second embodiment of the test piece of the inlaid drill bit shape tungsten alloy provided by the utility model is different from the first embodiment, wherein the bottom of one of the mounting plates 4 is provided with a mounting groove 22 near the front and back surfaces, and the inside of the mounting groove 22 is rotatably connected with a pulley 19 near the two sides;

[0044] The other mounting plate 4 and the test table 3 are fixed by bolts, and the mounting plate 4 with the pulley 19 can adjust the position according to the requirement, and the pulley 19 slides in the inside of the slide rail 20.

[0045] The top of the test table 3 is provided with two slide rails 20 near one side, and the test table 3 is provided with a connecting plate 18 on one side;

[0046] The connecting plate 18 corresponds to the positions of the two slide rails 20.

[0047] The second telescopic rod 17 is connected with one side of the mounting plate 4, and the connecting plate 18 is slidably connected with the front and back sides.

[0048] The two stable rods 21 are connected with one side of the mounting plate 4 provided with the mounting slot 22, so that the stability of the movement of the mounting plate 4 is increased.

[0049] Compared with the related art, the test piece of the inlaid drill bit shape tungsten alloy has the following beneficial effects:

[0050] In order to conveniently adjust the distance between the first tungsten alloy head 14 and the second tungsten alloy head 15 on the two fixing plates 5, two mounting slots 22 are formed in the lower side of one of the mounting plates 4, then two rotatable pulleys 19 are mounted in each of the mounting slots 22, and the pulleys 19 are ensured to slide in the slide rails 20, then the connecting plate 18 is connected with the mounting plate 4 through the second telescopic rod 17, when the position of the mounting plate 4 needs to be adjusted, the second telescopic rod 17 is started to push the mounting plate 4 to move, the pulleys 19 slide in the slide rails 20 in this process, so that the distance between the two mounting plates 4 can be adjusted, thereby the distance between the two groups of tungsten alloy heads can be adjusted, the test is facilitated, the distance between the two groups of tungsten alloy heads can be quickly adjusted through the design, so that the test structure 8 of different sizes can be applied, and the test efficiency is improved.

[0051] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A test piece of a shape tungsten alloy of a mosaic drill bit, characterized by, Include: The bottom plate; Support frame, the support frame is fixedly connected at the top of the bottom plate, the top of the support frame is fixedly connected with test table, the top of the test table is installed with two installation plates, the top of two installation plates is installed with a plurality of first test pieces and second test pieces through the fixed plate, one end of a plurality of second test pieces is installed with a first tungsten alloy head, one end of a plurality of first test pieces is installed with a plurality of second tungsten alloy heads through the supporting plate, and the top of two groups of first tungsten alloy heads and second tungsten alloy heads is provided with test structure; Two fixed clamps, two fixed clamps are installed at the top of the test table near the front and back, the fixed clamp contains a support plate, one side of the support plate is installed with a first telescopic rod, and the telescopic end of the first telescopic rod is installed with a clamp.

2. The test piece of a mosaic bit shaped tungsten alloy according to claim 1, wherein The front of the support frame is installed with a control box, and the front of the control box is rotatably connected with a box door.

3. The test piece of a mosaic bit shaped tungsten alloy according to claim 1, wherein The front of the support frame is installed with a mounting base, and the front of the mounting base is installed with an operation screen.

4. The test piece of a mosaic bit shaped tungsten alloy according to claim 1, wherein The bottom of one of the installation plates is provided with an installation slot near the front and back, and the inside of the installation slot is rotatably connected with a pulley near the two sides.

5. The test piece of a mosaic bit shaped tungsten alloy according to claim 1, wherein The top of the test table is provided with two sliding rails near one side, and the test table is installed with a connecting plate on one side.

6. The test piece of a mosaic bit shaped tungsten alloy according to claim 5, wherein The side of the connecting plate away from the test table is installed with a second telescopic rod, the telescopic end of the second telescopic rod is connected with the side of the installation plate, and the side of the connecting plate near the front and back is slidably connected with a stabilizing rod.

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