一种碳化硅板稳定耐压测试装置
By using a servo motor-driven rotating screw system, compression springs, and guide columns, combined with pressure sensor threshold control, the problem of sudden pressure increase during silicon carbide plate testing was solved, achieving stability and automated positioning, and avoiding material damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WEIFANG BETTER CERAMICS CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-07-17
AI Technical Summary
Existing silicon carbide plate testing devices suffer economic losses because the brittle silicon carbide plate is crushed due to a sudden increase in motor torque during the pressing process.
A servo motor-driven rotary screw system, combined with compression springs and guide columns, achieves stable downward pressure control by setting a threshold through a pressure sensor, and utilizes an L-shaped positioning plate and a flat positioning plate to achieve rapid pre-positioning of the silicon carbide plate.
This ensures the stability and accuracy of the silicon carbide plate testing process, avoids material damage caused by sudden increases in pressure, and achieves automated control.
Smart Images
Figure CN224518362U_ABST
Abstract
Claims
1. A silicon carbide board stability withstanding voltage test apparatus, characterized by, Includes a bracket, on which a slide (1) is provided, and on which two sliders (4) are provided. The bracket has legs (2) at both ends and a main support leg (3) at the bottom of the middle position. The main support leg (3) includes a front vertical plate (12) and a rear vertical plate (13). A horizontal support plate (15) is provided between the front vertical plate (12) and the rear vertical plate (13). A servo motor (14) is provided on the horizontal support plate (15). A rotating screw (19) is provided at the bottom of the horizontal support plate (15). The servo motor (14) is connected to the rotating screw (19) through a coupling. The lower end of the rotating screw (19) is connected to the lifting plate (18) through a screw nut. A connecting plate (16) is provided below the horizontal support plate (15). The connecting plate (16) is fixed between the front vertical plate (12) and the rear vertical plate (13). A through hole is provided on the connecting plate (16). The rotating screw (19) passes through the through hole. A compression spring (20) is provided between the connecting plate (16) and the lifting plate (18). The front vertical plate (12) and the rear vertical plate (13) are provided with anti-interference grooves. The lifting plate (18) can extend out of the anti-interference grooves at both ends. The lifting plate (18) extends out of the rear vertical plate (13) and is provided with a rear guide post (23). The upper end of the rear guide post (23) is provided with a horizontal connecting plate (6). The horizontal connecting plate (6) is located directly above the slide (1). The lower end of the horizontal connecting plate (6) is provided with a pressure sensor (7). The lower end of the pressure sensor (7) is connected to a pressure plate (8).
2. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 1, wherein The rear vertical plate (13) is provided with a rear guide seat (24) on the rear side, and the rear guide post (23) can guide and cooperate with the rear guide seat (24).
3. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 2, wherein The front vertical plate (12) is provided with a front guide seat (22) on the front side, and the lifting plate (18) extends out of the front vertical plate (12) and is provided with a front guide post (21). The front guide post (21) can guide and cooperate with the front guide seat (22).
4. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 3, wherein The upper end of the front guide post (21) is always located below the slide (1).
5. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 1, wherein The lifting plate (18) and the connecting plate are provided with baffles (17), and the baffles (17) are provided with mating holes, and the rotating screw (19) passes through the mating holes; One end of the compression spring (20) is fixedly connected to the baffle (17), and the other end of the compression spring (20) is fixedly connected to the connecting plate (16).
6. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 1, wherein The height of the anti-interference groove is greater than the downward stroke of the pressure plate (8).
7. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 1, wherein The servo motor (14) is capable of rotating in both forward and reverse directions.
8. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 7, wherein It also includes a controller, and the pressure sensor (7) and the servo motor (14) are both connected to the controller; The pressure sensor (7) is equipped with a threshold. When the threshold is reached, the controller controls the servo motor (14) to rotate in the opposite direction.
9. The silicon carbide plate stable withstand voltage testing device according to claim 1, characterized in that, The two sliders (4) can be fixed on the slide (1), and one of the sliders (4) is provided with an L-shaped positioning plate (5), the vertical plate of the L-shaped positioning plate (5) is located at the end away from the other slider (4); Another slider (4) is provided with a flat positioning plate (9).
10. The silicon carbide board stabilization voltage withstanding test apparatus according to claim 9, wherein A movable slider (11) also slides on the slide rail (1), and a slider (4) with a flat positioning plate (9) is set between the movable slider (11) and the slider (4) with an L-shaped positioning plate (5); The movable slider (11) is provided with two L-shaped push plates (10). The two L-shaped push plates (10) extend toward the slider (4) with the flat positioning plate (9). The vertical plate of the L-shaped push plate (10) is close to the slider (4) with the flat positioning plate (9). There is a gap between the two L-shaped push plates (10), and the distance of the gap is greater than the width of the flat positioning plate (9).