一种铝合金缸盖下线检夹具
By designing an aluminum alloy cylinder head offline inspection fixture, adopting a structure with four clamping bars connected to the central shaft, and combining it with an automatic clamping and centering mechanism, the problems of operation time and error in aluminum alloy cylinder head offline inspection were solved, and a fast and stable inspection process was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI AISHIDA AUTOMOTIVE COMPONENTS
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-17
AI Technical Summary
When aluminum alloy cylinder heads need to be inspected after production, traditional fixture operation is time-consuming and prone to errors. In addition, the large size difference between different models of cylinder heads leads to frequent fixture replacement, which increases costs.
An aluminum alloy cylinder head unloading inspection fixture was designed. It uses four clamping bars connected to a central shaft, equipped with bushings and lifting rings. It automatically clamps the cylinder head using lifting force, and ensures lifting stability and uniform force distribution through a centering mechanism. The clamping blocks use toothed rubber pads for anti-slip, simplifying the operation process.
It enables rapid and stable hoisting and inspection of aluminum alloy cylinder heads, avoiding the complex operation and frequent replacement of traditional fixtures, and reducing operating costs and errors.
Smart Images
Figure CN224513028U_ABST
Abstract
Claims
1. An aluminum alloy cylinder head off-line inspection fixture, characterized by, include: Four clamping strips (1) and a fixing link (4) for connecting the clamping strips (1), wherein the four clamping strips (1) are symmetrically arranged in pairs, and two clamping strips (1) are fixedly connected by the fixing link (4); A central shaft (5) is provided with a connection end between two pairs of clamping bars (1), and the clamping bars (1) are rotatably connected to the central shaft (5). A bushing (7) is also rotatably connected to the outer surface of the central shaft (5). A gap is provided between the bushing (7) and the clamping bars (1). A lifting ring (8) for hooking with the lifting device is fixedly installed on the outer surface of the bushing (7). A centering mechanism is also provided inside the lifting ring (8). The handle (6) is an L-shaped structure and is fixedly connected to the fixed connecting rod (4); A clamping block (2) is located at the clamping end of a clamping bar (1). The clamping end of the clamping bar (1) is provided with a bolt (13), and the clamping bar (1) is fixedly connected to the clamping block (2) by the bolt (13). The inclined side of the clamping block (2) is provided with a toothed rubber pad (3) and a screw (14), and the toothed rubber pad (3) is fixedly connected to the clamping block (2) by the screw (14).
2. The aluminum alloy cylinder head off-line inspection fixture of claim 1 wherein, The centering mechanism includes a guide rod (11) fixedly installed on the inner side of the lifting ring (8) and a threaded sleeve (10) fixedly installed inside the lifting ring (8). The lifting ring (8) is threadedly connected to a screw (9) through the threaded sleeve (10). A baffle (12) is slidably connected to the surface of the guide rod (11). The end of the screw (9) can contact the baffle (12).
3. The aluminum alloy cylinder head off-line inspection fixture of claim 2, wherein There are two guide rods (11), and the number of baffles (12) is the same as the number of guide rods (11).
4. The aluminum alloy cylinder head off-line inspection fixture of claim 2, wherein An expansion block (15) is fixedly installed at the end of the screw (9) adjacent to the baffle (12), and the diameter of the expansion block (15) is larger than the diameter of the threaded hole of the threaded sleeve (10).
5. The aluminum alloy cylinder head off-line inspection fixture of claim 2, wherein The screw (9) has a knob at the outer end of the threaded sleeve (10), and the outer surface of the knob has anti-slip texture.
6. The aluminum alloy cylinder head off-line inspection fixture of claim 3, wherein When the hook of the lifting device is attached to the lifting ring (8), the hook is located between the two baffles (12).
7. The aluminum alloy cylinder head off-line inspection fixture of claim 1 wherein, The clamping block (2) can contact the aluminum alloy cylinder head, and the toothed rubber pad (3) is located on the contact surface between the clamping block (2) and the aluminum alloy cylinder head.