Test fixture for high-order carrier plate

Abstract

The utility model discloses a test fixture for a high-order carrier plate, which relates to the field of high-order carrier plate testing and comprises a fixture body, limiting assemblies are symmetrically and movably connected to the left side and the right side of the top of the fixture body, reinforcing plates are symmetrically and movably connected to the opposite sides of the two limiting assemblies, and a ceiling is arranged at the top of the fixture body. The center of the top of the ceiling is fixedly connected with a hydraulic lifting rod, the bottom of the hydraulic lifting rod is fixedly connected with a first testing assembly, the center of the bottom of the first testing assembly is provided with a first linear motor, and the bottom of the first linear motor is electrically connected with a driving pile. Second linear motors are symmetrically installed on the left side and the right side of the bottom of the driving pile, and the bottoms of the second linear motors are electrically connected with second testing assemblies. According to the test fixture for the high-order carrier plate, the test efficiency and precision of the high-order carrier plate can be improved, and the test fixture can adapt to the high-order carrier plates of various sizes for installation and test.

Description

Technical Field

[0001] The utility model relates to the field of testing of high-order carrier boards, in particular to a testing fixture for high-order carrier boards. Background Art

[0002] High-end substrates are non-volatile storage devices based on floating gate transistor design. Charge is latched through the floating gate. Since the floating gate is electrically isolated, electrons reaching the gate are captured even after the voltage is removed. Data is stored in this type of device and will not be lost even if the power is turned off.

[0003] After the high-end carrier board is produced, it needs to be tested. However, the sizes of different types of high-end carrier boards are also different. When testing, it is not convenient to limit them, which will affect the efficiency of subsequent testing.

[0004] Therefore, it is necessary to propose a test fixture for a high-end carrier board to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a test fixture for a high-end carrier board, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A test fixture for a high-level carrier board, comprising a fixture body, the left and right sides of the top of the fixture body are symmetrically and movably connected to limit components, and the opposite sides of the two limit components are symmetrically and movably connected to a reinforcement plate;

[0008] A ceiling is provided on the top of the jig body, a hydraulic lifting rod is fixedly connected to the center of the top of the ceiling, a first test component is fixedly connected to the bottom of the hydraulic lifting rod, a first linear motor is installed in the center of the bottom of the first test component, a driving pile is electrically connected to the bottom of the first linear motor, second linear motors are symmetrically installed on the left and right sides of the bottom of the driving pile, and a second test component is electrically connected to the bottom of the second linear motor.

[0009] Preferably, movable grooves are symmetrically provided on the front and back sides of the top of the jig body, a bidirectional screw rod is rotatably connected in the inner cavity of the movable groove on the front side, and a servo motor is fixedly connected to the right side of the jig body.

[0010] Preferably, the left side of the servo motor is fixedly connected to the right side of the bidirectional screw via a first rotating shaft, the front and back sides of the bottom of the two limit assemblies are symmetrically and movably connected in the inner cavities of the two movable grooves, and the front side of the bottom of the limit assemblies is threadedly connected to the outer wall of the bidirectional screw.

[0011] Preferably, extrusion grooves are symmetrically opened in the middle of the opposite sides of the two limit assemblies, a guide rod is fixedly connected to the middle of the inner cavity of the extrusion groove, a first spring is wrapped around the outer wall of the guide rod, the top of the first spring is fixedly connected to the top of the inner cavity of the extrusion groove, the side of the reinforcement plate is movably connected to the inner cavity of the extrusion groove and is sleeved on the outer wall of the guide rod, and the top of the first spring is fixedly connected to the side of the reinforcement plate.

[0012] Preferably, support columns are symmetrically fixedly connected to the four sides of the tool body, the tops of the support columns are fixedly connected to the sides of the ceiling, and the top of the ceiling is fixedly connected to the controller.

[0013] Preferably, the bottom of the second test assembly is movably connected to a movable rod, the outer wall of the movable rod is wrapped with a second spring, the bottom of the second spring is fixedly connected to a limiting block, the limiting block is fixedly connected to the bottom of the movable rod, and a test head is fixedly connected to the center of the bottom of the limiting block.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The test fixture for the high-order carrier board can drive the bidirectional lead screw to rotate by starting the set servo motor, so that the front of the bottom of the limit assembly can be threadedly connected with the bidirectional lead screw. At this time, the limit assemblies on both sides can move to the opposite side. When the high-order carrier board is tested, it can have a limiting effect on both sides. At the same time, through the set first spring, the reinforcement plate can be bounced to the bottom at any time, so that the reinforcement plate can be attached to the top of the high-order carrier board, so that the reinforcement effect of the high-order carrier board can be started, which can effectively improve the test efficiency and the accuracy of the test results.

[0017] 2. The test fixture for the high-order carrier can drive the second test component to move up and down through the first test component by starting the hydraulic lifting rod, can drive the second test component to move longitudinally through the first linear motor, and can drive the second test component to move laterally through the second linear motor. When testing the high-order carrier, the position of the second test component can be adjusted according to its size and test position.

[0018] 3. The test fixture for the high-order carrier board can provide a buffering effect on the test head after the second test component is pressed down by the second spring, thereby protecting the second test component and effectively increasing the service life of the test head. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the front side of the utility model;

[0020] Figure 2 This utility model Figure 1 The enlarged view of point A in the middle;

[0021] Figure 3 It is a structural schematic diagram of the first test assembly of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the second test component of the utility model.

[0023] In the figure: 1. jig body; 2. support column; 3. movable groove; 4. bidirectional screw; 5. servo motor; 6. limit assembly; 8. extrusion groove; 9. guide rod; 10. first spring; 11. reinforcement plate; 12. ceiling; 13. hydraulic lifting rod; 14. controller; 15. first test assembly; 16. first linear motor; 17. driving pile; 18. second linear motor; 19. second test assembly; 20. movable rod; 21. second spring; 22. limit block; 23. test head. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-Figure 2 As shown, a test fixture for a high-order carrier board includes a fixture body 1, the left and right sides of the top of the fixture body 1 are symmetrically and movably connected with limit components 6, the opposite sides of the two limit components 6 are symmetrically and movably connected with a reinforcement plate 11, the front and back sides of the top of the fixture body 1 are symmetrically provided with movable grooves 3, a bidirectional screw rod 4 is rotatably connected in the inner cavity of the front movable groove 3, a servo motor 5 is fixedly connected to the right side of the bidirectional screw rod 4 through a first rotating shaft, and the front and back sides of the bottoms of the two limit components 6 are symmetrical. It is movably connected in the inner cavity of the two movable grooves 3, the front side of the bottom of the limit component 6 is threadedly connected to the outer wall of the bidirectional screw rod 4, and the extrusion grooves 8 are symmetrically opened in the middle of the opposite sides of the two limit components 6. A guide rod 9 is fixedly connected in the middle of the inner cavity of the extrusion groove 8, and a first spring 10 is wound around the outer wall of the guide rod 9. The top of the first spring 10 is fixedly connected to the top of the inner cavity of the extrusion groove 8. The side of the reinforcement plate 11 is movably connected to the inner cavity of the extrusion groove 8 and is sleeved on the outer wall of the guide rod 9. The top of the first spring 10 is fixedly connected to the side of the reinforcement plate 11.

[0026] By starting the set servo motor 5, the bidirectional lead screw 4 can be driven to rotate, so that the front side of the bottom of the limit assembly 6 can be threadedly connected with the bidirectional lead screw 4. At this time, the limit assemblies 6 on both sides can move to the opposite side. When the high-order carrier is tested, it can have a limiting effect on both sides. At the same time, through the set first spring 10, the reinforcement plate 11 can be bounced to the bottom at any time, so that the reinforcement plate 11 can be attached to the top of the high-order carrier. In this way, the reinforcement effect of the high-order carrier can be activated, which can effectively improve the test efficiency and the accuracy of the test results.

[0027] like Figure 1 , Figure 3 , Figure 4 As shown, a test fixture for a high-order carrier plate, a ceiling 12 is provided on the top of the fixture body 1, a hydraulic lifting rod 13 is fixedly connected to the center of the top of the ceiling 12, a first test assembly 15 is fixedly connected to the bottom of the hydraulic lifting rod 13, a first linear motor 16 is installed in the center of the bottom of the first test assembly 15, a driving pile 17 is electrically connected to the bottom of the first linear motor 16, second linear motors 18 are symmetrically installed on the left and right sides of the bottom of the driving pile 17, and a second test assembly 19 is electrically connected to the bottom of the second linear motor 18, support columns 2 are symmetrically fixedly connected around the fixture body 1, the top of the support column 2 is fixedly connected to the side of the ceiling 12, the top of the ceiling 12 is fixedly connected to the controller 14, the bottom of the second test assembly 19 is movably connected to a movable rod 20, the outer wall of the movable rod 20 is wound with a second spring 21, the bottom of the second spring 21 is fixedly connected to a limiting block 22, the limiting block 22 is fixedly connected to the bottom of the movable rod 20, and a test head 23 is fixedly connected to the center of the bottom of the limiting block 22.

[0028] By starting the hydraulic lifting rod 13, the second test component 19 can be driven to move up and down through the first test component 15, the second test component 19 can be driven to move longitudinally through the first linear motor 16, and the second test component 19 can be driven to move laterally through the second linear motor 18. When testing the high-order carrier, the position of the second test component 19 can be adjusted according to its size and test position. The second spring 21 can buffer the test head 23 after the second test component 19 is pressed down, thereby protecting the second test component 19 and effectively improving the service life of the test head 23.

[0029] It should be noted that the utility model is a test fixture for a high-order carrier. When in use, the high-order carrier is placed on the top of the fixture body 1, and the servo motor 5 is started to drive the bidirectional screw 4 to rotate in the inner cavity of the movable groove 3. At this time, the bottoms of the two limit assemblies 6 can be threadedly connected with the bidirectional screw 4, thereby driving the limit assemblies 6 to move. After the limit assemblies 6 move to the side of the high-order carrier, the reinforcement plate 11 is lifted up, and the limit assemblies 6 are continued to be moved until the limit assemblies 6 and the side of the high-order carrier are attached, and the reinforcement plate 11 is released. The first spring 10 can bounce the reinforcement plate 11 to the bottom, thereby reinforcing the high-order carrier;

[0030] The hydraulic lifting rod 13, the first linear motor 16 and the second linear motor 18 are started to move the second test assembly 19 to a suitable position, and then the high-order carrier board can be tested.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A test fixture for a high-end carrier board, comprising a fixture body (1), characterized in that: The left and right sides of the top of the tool body (1) are symmetrically and movably connected to the limit assemblies (6), and the opposite sides of the two limit assemblies (6) are symmetrically and movably connected to the reinforcing plates (11); A ceiling (12) is provided on the top of the jig body (1), a hydraulic lifting rod (13) is fixedly connected to the center of the top of the ceiling (12), a first test assembly (15) is fixedly connected to the bottom of the hydraulic lifting rod (13), a first linear motor (16) is installed in the center of the bottom of the first test assembly (15), the bottom of the first linear motor (16) is electrically connected to a driving pile (17), second linear motors (18) are symmetrically installed on the left and right sides of the bottom of the driving pile (17), and the bottom of the second linear motor (18) is electrically connected to a second test assembly (19).

2. The high-end carrier board test fixture according to claim 1, characterized in that: The front and back sides of the top of the jig body (1) are symmetrically provided with movable grooves (3), a bidirectional screw rod (4) is rotatably connected in the inner cavity of the movable groove (3) on the front side, and a servo motor (5) is fixedly connected to the right side of the jig body (1).

3. The high-end carrier board test fixture according to claim 2, characterized in that: The left side of the servo motor (5) is fixedly connected to the right side of the bidirectional screw (4) via a first rotating shaft, the front and back sides of the bottoms of the two limit assemblies (6) are symmetrically and movably connected in the inner cavities of the two movable grooves (3), and the front side of the bottom of the limit assemblies (6) is threadedly connected to the outer wall of the bidirectional screw (4).

4. The high-end carrier board test fixture according to claim 1, characterized in that: An extrusion groove (8) is symmetrically provided in the middle of the opposite side of the two limit assemblies (6); a guide rod (9) is fixedly connected to the middle of the inner cavity of the extrusion groove (8); a first spring (10) is wound around the outer wall of the guide rod (9); the top of the first spring (10) is fixedly connected to the top of the inner cavity of the extrusion groove (8); the side of the reinforcement plate (11) is movably connected to the inner cavity of the extrusion groove (8) and is sleeved on the outer wall of the guide rod (9); the top of the first spring (10) is fixedly connected to the side of the reinforcement plate (11).

5. The high-end carrier board test fixture according to claim 1, characterized in that: The metallurgical tool body (1) is symmetrically and fixedly connected to support columns (2) on all sides, the tops of the support columns (2) are fixedly connected to the sides of the ceiling (12), and the top of the ceiling (12) is fixedly connected to a controller (14).

6. The high-end carrier board test fixture according to claim 1, characterized in that: The bottom of the second test assembly (19) is movably connected to a movable rod (20), the outer wall of the movable rod (20) is wound with a second spring (21), the bottom of the second spring (21) is fixedly connected to a limit block (22), the limit block (22) is fixedly connected to the bottom of the movable rod (20), and a test head (23) is fixedly connected in the middle of the bottom of the limit block (22).

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