一种机加工用辅助定位机构
By combining a locking mechanism with a spring and a hydraulic cylinder, the problem of inaccurate positioning in machining is solved, achieving precision and stability in positioning, and improving product qualification rate and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO TUOPU CHASSIS SYST CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-07-17
AI Technical Summary
Existing auxiliary positioning mechanisms for machining have spring pin problems, which cause the pins to not be in place or to be misaligned, affecting product qualification rate and production efficiency.
A locking mechanism combining springs and hydraulic cylinders is adopted, with the springs providing flexible pre-tightening and the hydraulic cylinders providing rigid locking, ensuring accurate and stable positioning.
It achieves precise and stable positioning, avoids problems such as misalignment or deviation, and improves product qualification rate and production efficiency.
Smart Images
Figure CN224509047U_ABST
Abstract
Claims
1. An auxiliary positioning mechanism for machining, comprising a positioning pin seat, a positioning pin, and a spring, wherein the positioning pin comprises a positioning head and a guide rod portion coaxially arranged from front to back, the positioning pin seat is provided with a through-cavity mounting cavity, the guide rod portion is movably and telescopically disposed within the mounting cavity and provides guidance through the mounting cavity, the positioning head extends outward from the positioning pin seat, and the spring is disposed at the rear end of the guide rod portion, characterized in that... The rear end of the guide rod is provided with a locking mechanism that can be used to lock the precise positioning position of the positioning pin.
2. An auxiliary positioning mechanism for machining according to claim 1, characterized in that The locking mechanism is a hydraulic cylinder, with the piston rod of the hydraulic cylinder coaxially positioned behind the guide rod. The piston rod pushes out and abuts against the rear end of the guide rod to achieve precise positioning and locking, while the piston rod retracts to release the lock.
3. The auxiliary positioning mechanism for machining as described in claim 2, characterized in that... The rear end of the positioning pin seat is provided with a positioning seat, the rear part of the cylinder body of the hydraulic cylinder is positioned and installed through the positioning seat, and the front part of the cylinder body of the hydraulic cylinder extends into the mounting cavity.
4. A positioning aid according to claim 3, wherein The positioning seat is equipped with an oil supply channel.
5. The auxiliary positioning mechanism for machining as described in claim 3, characterized in that... An anti-disengagement limiting mechanism is provided between the guide rod and the positioning pin seat to prevent the positioning pin from disengaging from the positioning pin seat.
6. An auxiliary positioning mechanism for machining according to claim 5, characterized in that The mounting cavity includes a guide portion, a limiting portion, and a mounting portion arranged coaxially from front to back. The inner diameter of the guide portion is smaller than the inner diameter of the limiting portion, forming a limiting step surface between them. A limiting protrusion ring is provided at the tail end of the guide rod portion. The guide rod portion is movably and telescopically disposed within the guide portion. The outer diameter of the limiting protrusion ring is larger than the inner diameter of the guide portion. The limiting protrusion ring is disposed within the limiting portion. The limiting protrusion ring and the limiting step surface cooperate to form the anti-detachment limiting mechanism. The front part of the cylinder body is disposed within the mounting portion.
7. An auxiliary positioning mechanism for machining according to claim 1, characterized in that The guide rod is provided with a blind hole with a rear opening, and one end of the spring extends into the blind hole.