Pressure detection device for pressure maintaining clamp of machine tool
By designing the hydraulic oil flow channel and the gray cast iron sealing ring, the reliability problem of hydraulic fixture leakage detection was solved, enabling safe machine tool shutdown and improved sealing performance, while reducing costs.
CN223684999UActive Publication Date: 2025-12-19ZF STEERING JINCHENG NANJING
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Patent Information
- Application Number
- CN202423160800.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Technical Problem
Existing hydraulic clamp detection methods are unreliable due to leaks, leading to decreased machining accuracy or equipment damage. Furthermore, wireless communication is costly and cannot effectively prevent clamp leaks.
Method used
The piston is driven by a hydraulic oil flow channel. The pressure is judged by the contact or avoidance between the drill bit and the piston. The sealing performance is improved by using a gray cast iron sealing ring, and the machine tool alarm stops to prevent leakage.
Benefits of technology
It enables reliable detection of hydraulic fixture leaks, avoids reduced machining accuracy and equipment damage, reduces costs, and extends the service life of sealing rings.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN223684999U_ABST
Abstract
The utility model discloses a pressure detection device for a pressure maintaining clamp of a machine tool in the technical field of detection devices, which comprises a detection table, a first shell arranged at one end of the top of the detection table, a second shell connected to the right side of the first shell, a piston arranged inside the first shell, and a cavity arranged between the first shell and the piston. The right end of the piston extends into the second shell, a spring is arranged in the second shell and sleeves the right end of the piston, the left end of the piston extends out of the first shell, a drill bit is arranged at the end, away from the spring, of the piston, and a hydraulic oil circulation channel is formed in the detection table. Hydraulic oil is injected into the cavity through the hydraulic oil circulation channel, if the pressure meets the requirement, the drill bit does not make contact with the piston at the moment, if the pressure is lower than the required value and the position of the piston deviates to the left, the piston collides with the drill bit, the drill bit is broken, and then the machine tool can give an alarm to stop. Therefore, serious consequences caused by leakage of the clamp are prevented.
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