A clamping structure for semiconductor laser chip detection

Abstract

The utility model discloses a kind of clamping structures for semiconductor laser chip detection, it is related to laser chip test technical field, including the vertical plate of installation in the top of workbench, one side of the vertical plate is equipped with two rectangular sleeves by gear drive mechanism, the bottom end of two rectangular sleeves is equipped with detection plate by elastic mechanism, the below of two detection plates is equipped with the fixed L-shaped plate installed on workbench. The utility model is when clamping, first, a laser chip is placed between the fixed L-shaped plate and the moving L-shaped block in the open state, gear drive mechanism can make the moving L-shaped block in the open state close to the fixed L-shaped plate and be clamped, it is convenient for the alignment of detection plate in later period, another moving L-shaped block is away from another fixed L-shaped plate and be loosened, so that the next laser chip can be placed, improve the detection efficiency in later period.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser chip testing technical field, especially relates to a clamping structure for semiconductor laser chip detection. BACKGROUND

[0002] The laser chip is also a kind of laser.The working principle of the laser chip is that: by current injection chip, when the injection current is greater than threshold current, the laser chip can emit the laser of specific wave band, so that the laser chip works, and the laser is tested in test fixture in production process.

[0003] In the prior art, the announcement number CN218619147U discloses a kind of test fixture for laser chip, it although can eject laser chip after detection is completed, but it needs to manually align and cooperate with the contact end of laser chip and needle foot when detecting, simultaneously, after a laser chip detection is completed, laser chip needs to be removed, then the next laser chip is placed, then detection is carried out by closing movable cover, so that the detection speed is slow in later period, place the next laser chip in a laser chip detection process, the utility model discloses a kind of clamping structure for semiconductor laser chip detection, to solve the above problems. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a kind of clamping structure for semiconductor laser chip detection, to solve the problems raised in the above background.

[0005] To achieve the above object, the present application provides the following technical scheme: a kind of clamping structure for semiconductor laser chip detection, including the vertical plate installed in the top of workbench, one side of the vertical plate is equipped with two rectangular sleeves by gear drive mechanism, the bottom of two rectangular sleeves is equipped with detection plate by elastic mechanism, the bottom of two detection plates is equipped with fixed L-shaped plate installed on workbench; One side of two fixed L-shaped plates is equipped with mobile L-shaped block, two mobile L-shaped blocks are connected with the top of workbench by moving mechanism; The side of two rectangular sleeves is fixedly installed with L-shaped pressure bar, the bottom of two L-shaped pressure bars is rotatably installed with rotating wheel, and two rotating wheels are installed in cooperation with two moving mechanisms respectively.

[0006] Preferably, the gear drive mechanism includes a stepper motor fixedly mounted on the side of the upright plate. An inner rotating rod is fixedly mounted on the output shaft of the stepper motor. One end of the inner rotating rod passes through the side of the upright plate and is fixedly mounted with an internal gear. A horizontal plate is fixedly mounted on the side of the upright plate. A mounting plate is fixedly mounted on the bottom of the horizontal plate. Two outer rotating rods are rotatably mounted on the sides of the mounting plate and the upright plate that are close to each other. An external gear is fixedly sleeved on each of the two outer rotating rods. Multiple vertically evenly arranged meshing teeth are installed on the sides of the two rectangular sleeves that are close to each other. The external gears are fitted with the corresponding multiple meshing teeth. The two external gears mesh with the internal gear. A rectangular rod is slidably mounted inside each of the two rectangular sleeves. The top ends of the two rectangular rods are fixedly mounted on the bottom of the horizontal plate.

[0007] Preferably, the elastic mechanism includes two vertical slide rods, each with a vertical block slidably sleeved on it. The sides of the two vertical blocks that are close to each other are fixedly connected to the two sides of the rectangular sleeve. The bottom ends of the two vertical slide rods are fixedly connected to the top of the detection plate. A vertical spring is sleeved on each vertical slide rod, and the two ends of the vertical spring are fixedly connected to the sides of the detection plate and the vertical blocks that are close to each other, respectively.

[0008] Preferably, the bottom of the detection plate is fixedly equipped with multiple pins.

[0009] Preferably, the moving mechanism includes a trapezoidal moving block fixedly installed on the side of the moving L-shaped block. Two horizontal sliding rods are fixedly installed on the side of the moving L-shaped block. A horizontal block is slidably sleeved on each of the two horizontal sliding rods. The bottom of the two horizontal blocks is fixedly installed on the top of the worktable. A horizontal spring is sleeved on each horizontal sliding rod. The two ends of the horizontal spring are respectively fixedly installed on the sides of the moving L-shaped block and the horizontal block that are close to each other. The rotating wheel corresponds to the position of the trapezoidal moving block.

[0010] Preferably, the L-shaped pressure bar is located between the two horizontal blocks, one of the rotating wheels corresponds to the inclined side of the trapezoidal moving block, the top of the workbench is provided with a clearance hole to avoid the bottom end of the L-shaped pressure bar, and the other rotating wheel is located below the workbench.

[0011] In summary, the technical effects and advantages of this utility model are as follows: In this invention, when clamping, a laser chip is first placed between a fixed L-shaped plate and a movable L-shaped block in the open state. The movable L-shaped block in the open state can be brought closer to the fixed L-shaped plate for clamping through a gear drive mechanism, which facilitates the alignment of the test board later. The other movable L-shaped block is released away from the other fixed L-shaped plate, so that the next laser chip can be placed, thereby improving the efficiency of later testing. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a three-dimensional structural diagram from a first perspective in an embodiment of this application; Figure 2 This is a perspective view of an embodiment of this application without a worktable; Figure 3 for Figure 2 Enlarged view of the middle section structure; Figure 4 for Figure 2 Enlarged structural diagram at point A in the middle; Figure 5 This is a three-dimensional structural diagram from a second perspective in an embodiment of this application.

[0014] In the diagram: 1. Detection plate; 2. Vertical plate; 3. Pin; 4. Horizontal plate; 5. Mounting plate; 6. Meshing teeth; 7. Worktable; 8. Rectangular rod; 9. Rectangular sleeve; 10. Outer rotating rod; 11. Inner rotating rod; 12. Stepper motor; 13. Vertical slide rod; 14. Vertical block; 15. Fixed L-shaped plate; 16. Vertical spring; 17. Moving L-shaped block; 18. Horizontal spring; 19. Trapezoidal moving block; 20. Horizontal slide rod; 21. Rotating wheel; 22. L-shaped pressure rod; 23. Horizontal block; 24. External gear; 25. Internal gear. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example: Reference Figures 1-5The shown is a clamping structure for testing semiconductor laser chips, including a vertical plate 2 mounted on the top of a worktable 7. Two rectangular sleeves 9 are mounted on one side of the vertical plate 2 via a gear drive mechanism. A test plate 1 is mounted on the bottom of each of the two rectangular sleeves 9 via an elastic mechanism. A fixed L-shaped plate 15 mounted on the worktable 7 is provided below each of the two test plates 1. A movable L-shaped block 17 is provided on one side of each of the two fixed L-shaped plates 15. The two movable L-shaped blocks 17 are connected to the top of the worktable 7 via a moving mechanism. An L-shaped pressure rod 22 is fixedly mounted on the side of each of the two rectangular sleeves 9. A rotating wheel 21 is rotatably mounted on the bottom of each of the two L-shaped pressure rods 22. The two rotating wheels 21 are respectively installed in cooperation with two moving mechanisms.

[0017] With the above structure, during clamping, a laser chip is first placed between the fixed L-shaped plate 15 and the movable L-shaped block 17 in the open state. The movable L-shaped block 17 in the open state can be brought close to the fixed L-shaped plate 15 for clamping through the gear drive mechanism, which facilitates the alignment of the inspection plate 1 later. The other movable L-shaped block 17 is released away from the other fixed L-shaped plate 15, so that the next laser chip can be placed, improving the efficiency of later inspection.

[0018] like Figure 2 and Figure 4 As shown, the gear drive mechanism includes a stepper motor 12 fixedly mounted on the side of the vertical plate 2. An inner rotating rod 11 is fixedly mounted on the output shaft of the stepper motor 12. One end of the inner rotating rod 11 passes through the side of the vertical plate 2 and is fixedly mounted with an internal gear 25. A horizontal plate 4 is fixedly mounted on the side of the vertical plate 2. A mounting plate 5 is fixedly mounted on the bottom of the horizontal plate 4. Two outer rotating rods 10 are rotatably mounted on the sides of the mounting plate 5 and the vertical plate 2 that are close to each other. An external gear 24 is fixedly sleeved on each of the two outer rotating rods 10. Multiple vertically evenly arranged meshing teeth 6 are installed on the sides of two rectangular sleeves 9 that are close to each other. The external gears 24 are fitted with the corresponding multiple meshing teeth 6, and the two external gears 24 mesh with the internal gear 25. Rectangular rods 8 are slidably mounted inside each of the two rectangular sleeves 9, and the top ends of the two rectangular rods 8 are fixedly mounted on the bottom of the horizontal plate 4.

[0019] When the stepper motor 12 is started, the output shaft of the stepper motor 12 rotates, which drives the inner rotating rod 11 to rotate. The rotation of the inner rotating rod 11 drives the inner gear 25 to rotate. The rotation of the inner gear 25 causes the two outer gears 24 to rotate. The outer gears 24 mesh with the meshing teeth 6, thereby causing one rectangular sleeve 9 to move upward and the other rectangular sleeve 9 to move downward. This allows one moving L-shaped block 17 to approach the fixed L-shaped plate 15 for clamping, and the other moving L-shaped block 17 to move away from the fixed L-shaped plate 15 for release, thus achieving continuous detection.

[0020] like Figure 3As shown, the elastic mechanism includes two vertical slide rods 13, each with a vertical block 14 slidably sleeved on it. The sides of the two vertical blocks 14 that are close to each other are fixedly connected to the two sides of the rectangular sleeve 9, and the bottom ends of the two vertical slide rods 13 are fixedly connected to the top of the detection plate 1. A vertical spring 16 is sleeved on each vertical slide rod 13, and both ends of the spring 16 are fixedly connected to the sides of the detection plate 1 and the vertical blocks 14 that are close to each other. As the rectangular sleeve 9 continues to move downwards, it causes the detection plate 1 to contact the aligned laser chip. The pins 3 on the detection plate 1 contact the contact end of the laser chip. At this time, the position of the detection plate 1 remains unchanged. The rectangular sleeve 9 continues to move downwards, causing the two vertical springs 16 to deform. Under the action of the two vertical springs 16, the pins 3 maintain stable contact with the contact end of the laser chip, facilitating detection.

[0021] like Figure 5 As shown, multiple pins 3 are fixedly mounted on the bottom of the detection board 1. The pins 3 can contact the contact end of the laser chip for subsequent detection. The side of the upright plate 2 of this application is provided with a digital display screen and a controller. For the specific detection principle, please refer to the prior art referenced in the background of this application.

[0022] like Figure 3 As shown, the moving mechanism includes a trapezoidal moving block 19 fixedly installed on the side of the moving L-shaped block 17. Two horizontal slide rods 20 are fixedly installed on the side of the moving L-shaped block 17. A horizontal block 23 is slidably sleeved on each of the two horizontal slide rods 20. The bottom of the two horizontal blocks 23 is fixedly installed on the top of the worktable 7. A horizontal spring 18 is sleeved on the horizontal slide rod 20. The horizontal spring 18 is located between the horizontal block 23 and the moving L-shaped block 17.

[0023] The rectangular sleeve 9 moves upward, causing an L-shaped pressure rod 22 and another rotating wheel 21 to move. Under the force of two horizontal springs 18, the other moving L-shaped block 17 returns to its original position. The two ends of the horizontal springs 18 are fixedly installed on the sides of the moving L-shaped block 17 and the horizontal block 23 that are close to each other. The rotating wheel 21 corresponds to the position of the trapezoidal moving block 19. During the downward movement of the rectangular sleeve 9, when the rotating wheel 21 contacts the inclined side of the trapezoidal moving block 19, the rotating wheel 21 presses the trapezoidal moving block 19, causing the trapezoidal moving block 19 and the moving L-shaped block 17 to move closer to the fixed L-shaped plate 15. To protect the laser chip, protective pads can be installed on the inner walls of the moving L-shaped block 17 and the fixed L-shaped plate 15.

[0024] like Figure 3 As shown, the L-shaped pressure bar 22 is located between two horizontal blocks 23, and one of the rotating wheels 21 corresponds to the inclined side of the trapezoidal moving block 19. The advantage of this arrangement is that when the rotating wheel 21 moves downward, it will squeeze the inclined side of the trapezoidal moving block 19.

[0025] like Figure 5As shown, the top of the worktable 7 has a clearance hole to avoid the bottom end of the L-shaped pressure rod 22, and another rotating wheel 21 is located below the worktable 7. The clearance hole is provided to avoid the L-shaped pressure rod 22 and the rotating wheel 21.

[0026] The working principle of this practical application is as follows: During clamping, a laser chip is first placed between the fixed L-shaped plate 15 and the movable L-shaped block 17, which are in the open state. Then, by starting the stepper motor 12, the output shaft of the stepper motor 12 rotates, which drives the inner rotating rod 11 to rotate. The rotation of the inner rotating rod 11 drives the inner gear 25 to rotate. The rotation of the inner gear 25 causes the two outer gears 24 to rotate. The outer gears 24 mesh with the meshing teeth 6, thereby causing one rectangular sleeve 9 to move upward and the other rectangular sleeve 9 to move downward. The laser chip is located below the downward-moving rectangular sleeve 9. The movement of the rectangular sleeve 9 drives the L-shaped pressure rod 22 and the rotating wheel 21 to move. When the rotating wheel 21 contacts the inclined side of the trapezoidal moving block 19, the rotating wheel 21 presses the trapezoidal moving block 19, causing the trapezoidal moving block 19 and the moving L-shaped block 17 to approach the fixed L-shaped plate 15. The movement of the moving L-shaped block 17 causes the two horizontal springs 18 to deform, thereby aligning and fixing the laser chip from the corners on both sides. After the rotating wheel 21 separates from the inclined side of the trapezoidal moving block 19, the moving L-shaped block 17 clamps the laser chip. Then the rectangular sleeve 9 continues to move downwards, causing the detection plate 1 to contact the aligned laser chip. The pins 3 on the detection plate 1 contact the contact end of the laser chip. At this time, the position of the detection plate 1 remains unchanged. The rectangular sleeve 9 continues to move downwards, causing the two vertical springs 16 to deform. Under the action of the two vertical springs 16, the pins 3 make stable contact with the contact end of the laser chip, which is convenient for detection. At the same time, when the other rectangular sleeve 9 and the detection plate 1 move upward, the upward movement of the rectangular sleeve 9 causes an L-shaped pressure rod 22 and another rotating wheel 21 to move. Under the force of the other two horizontal springs 18, the other moving L-shaped block 17 returns to its original state. At this time, the next laser chip can be placed between the other fixed L-shaped plate 15 and the moving L-shaped block 17 for continuous detection.

[0027] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A clamping structure for detecting semiconductor laser chips, characterized in that: Includes a vertical plate (2) installed on the top of the workbench (7). Two rectangular sleeves (9) are installed on one side of the vertical plate (2) through a gear drive mechanism. Detection plates (1) are installed at the bottom of the two rectangular sleeves (9) through an elastic mechanism. Fixed L-shaped plates (15) installed on the workbench (7) are provided below the two detection plates (1). Each of the two fixed L-shaped plates (15) is provided with a movable L-shaped block (17) on one side, and the two movable L-shaped blocks (17) are connected to the top of the workbench (7) through a moving mechanism; Both rectangular sleeves (9) are fixedly installed with L-shaped pressure rods (22) on their sides, and both L-shaped pressure rods (22) are rotatably installed with rotating wheels (21) at their bottom ends. The two rotating wheels (21) are respectively installed in cooperation with two moving mechanisms.

2. The clamping structure for detecting semiconductor laser chips according to claim 1, characterized in that: The gear drive mechanism includes a stepper motor (12) fixedly installed on the side of the upright plate (2). An inner rotating rod (11) is fixedly installed on the output shaft of the stepper motor (12). One end of the inner rotating rod (11) passes through the side of the upright plate (2) and is fixedly installed with an internal gear (25). A horizontal plate (4) is fixedly installed on the side of the vertical plate (2), and an installation plate (5) is fixedly installed on the bottom of the horizontal plate (4). Two external rotating rods (10) are rotatably installed on the sides of the installation plate (5) and the vertical plate (2) that are close to each other. An external gear (24) is fixedly sleeved on each of the two external rotating rods (10). Multiple vertically evenly arranged meshing teeth (6) are installed on the sides of the two rectangular sleeves (9) that are close to each other. The external gear (24) is installed in cooperation with the corresponding multiple meshing teeth (6). The two external gears (24) mesh with the internal gear (25). A rectangular rod (8) is slidably installed inside each of the two rectangular sleeves (9). The top of the two rectangular rods (8) is fixedly installed on the bottom of the horizontal plate (4).

3. The clamping structure for detecting semiconductor laser chips according to claim 1, characterized in that: The elastic mechanism includes two vertical slide rods (13), each of which is slidably sleeved with a vertical block (14). The sides of the two vertical blocks (14) that are close to each other are fixedly connected to the two sides of the rectangular sleeve (9). The bottom ends of the two vertical slide rods (13) are fixedly connected to the top of the detection plate (1). A vertical spring (16) is sleeved on the vertical slide rod (13), and the two ends of the vertical spring (16) are fixedly connected to the sides of the detection plate (1) and the vertical block (14) that are close to each other, respectively.

4. The clamping structure for detecting semiconductor laser chips according to claim 1, characterized in that: The bottom of the detection plate (1) is fixedly equipped with multiple pins (3).

5. The clamping structure for detecting semiconductor laser chips according to claim 1, characterized in that: The moving mechanism includes a trapezoidal moving block (19) fixedly installed on the side of the moving L-shaped block (17). Two horizontal slide rods (20) are fixedly installed on the side of the moving L-shaped block (17). A horizontal block (23) is slidably sleeved on each of the two horizontal slide rods (20). The bottom of the two horizontal blocks (23) is fixedly installed on the top of the workbench (7). A horizontal spring (18) is sleeved on the horizontal slide rod (20). The two ends of the horizontal spring (18) are respectively fixedly installed on the sides of the moving L-shaped block (17) and the horizontal block (23) that are close to each other. The rotating wheel (21) is positioned opposite to the trapezoidal moving block (19).

6. The clamping structure for detecting semiconductor laser chips according to claim 5, characterized in that: The L-shaped pressure bar (22) is located between the two horizontal blocks (23), one of the rotating wheels (21) corresponds to the inclined side of the trapezoidal moving block (19), the top of the workbench (7) is provided with a clearance hole to avoid the bottom end of the L-shaped pressure bar (22), and the other rotating wheel (21) is located below the workbench (7).

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