一种活动式定位工装
By designing a movable positioning fixture and utilizing a combination of a receiving plate and a positioning base, the problem of poor positioning adaptability of irregular workpieces was solved, achieving stable support and flexible adjustment of the workpieces.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI LIHU CASTING IND CO LTD
- Filing Date
- 2025-03-30
- Publication Date
- 2026-07-17
AI Technical Summary
Existing positioning fixtures have poor adaptability when dealing with irregular workpieces, requiring frequent replacement of fixture parts to accommodate different size changes.
A movable positioning fixture was designed, which adopts a disc-shaped receiving plate and a ring-shaped fan-shaped positioning base, combined with a limit block, positioning pin and screw system to realize flexible positioning and adjustment of the workpiece.
It achieves stable support and positioning for irregular workpieces, improves the adaptability and flexibility of tooling, and reduces the frequency of tooling changes.
Smart Images
Figure CN224509044U_ABST
Abstract
Claims
1. A movable positioning fixture, comprising a disc-shaped receiving plate (1) and three fan-shaped positioning bases (2) arranged in a ring on the upper end of the receiving plate (1) for supporting workpieces, characterized in that, The receiving plate (1) is connected to the positioning base (2) by screws. A slot (3) is opened on the end wall of one of the positioning bases (2) on the receiving plate (1). A connecting hole (4) and a positioning hole (5) are opened on the bottom end wall of the positioning base (2) near the slot (3). A limit block (6) is provided in the slot (3). An elliptical through-hole (7) is provided on the end wall of the limit block (6). An opening (9) that is narrow at the top and wide at the bottom is provided on the end wall of the limit block (6) near the through-hole (7). A positioning pin (10) that is narrow at the top and wide at the bottom is inserted into the opening (9). A screw (8) that is threadedly connected to the connecting hole (4) is provided in the through-hole (7).
2. The positioning tool of claim 1, wherein The positioning base (2) has a thicker edge wall forming a protrusion, and the three positioning bases (2) are used to support the workpiece together.
3. The positioning tool of claim 1, wherein Positioning screws (12) and top rods (13) are installed and fixed to the end wall of the receiving plate (1) near the three positioning bases (2).
4. The positioning tool of claim 3, wherein, There are three positioning screws (12) and three top rods (13), and fastening nuts (11) are threadedly connected to the bottom wall of the positioning screws (12) and the top rods (13).
5. A positioning tool according to claim 4, wherein A top block (14) is fixed to the top wall of the top rod (13). A rectangular pressure plate (15) is provided on the upper end of the top block (14). An elliptical movable opening (16) is provided on the end wall of the pressure plate (15).
6. A positioning tool according to claim 5, wherein The positioning screw (12) has annular gaskets (17) threaded through both the upper and lower end walls near the pressure plate (15). The top end of the positioning screw (12) is threaded with a flange nut (18). The lower end of the positioning screw (12) near the pressure plate (15) is fitted with a spring.