Vacuum tool for machining aluminum alloy thin-wall part
By utilizing the contoured surface and negative pressure adsorption technology of vacuum tooling, the problems of uneven clamping, complex clamping, and vibration displacement in the processing of thin-walled aluminum alloy parts have been solved, achieving efficient and stable processing results.
Patent Information
- Application Number
- CN202520502407.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing tooling technologies are insufficient for efficiently, accurately, and stably machining thin-walled aluminum alloy parts, and suffer from problems such as uneven clamping force, complex clamping, vibration, and displacement.
A vacuum fixture was designed, which uses a contoured surface to fit tightly against a thin-walled aluminum alloy part. Negative pressure adsorption is formed through airflow slots, and combined with sealing strips and pin holes for positioning, it ensures stable adsorption and precise positioning.
It achieves efficient and stable adsorption of thin-walled aluminum alloy parts, improves processing accuracy and product quality, reduces labor and equipment costs, and reduces vibration and displacement.
Smart Images
Figure CN223848703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nursing equipment technical field, specifically a kind of vacuum tooling of processing aluminum alloy thin-walled part. BACKGROUND
[0002] In modern manufacturing industry, aluminum alloy thin-walled part is widely used in aerospace, automobile manufacturing, electronic equipment and many other fields due to its advantages such as light weight, high strength and good heat dissipation performance. However, the processing of aluminum alloy thin-walled part is full of challenges, and the existing tooling technology cannot meet the efficient, accurate and stable processing requirements.
[0003] 1. From the characteristics of the parts, the wall thickness of the aluminum alloy thin-walled part is usually very thin, and there are common web areas with thicknesses of 1mm, 1.2mm and 1.5mm. When clamping with traditional tooling, it is often difficult to provide uniform and appropriate clamping force, resulting in excessive local stress on the parts and causing wall thickness size deviation.
[0004] 2. The clamping method of traditional tooling is complex, and the operator needs to spend a lot of time on positioning, adjustment and tightening. This inefficient clamping method increases labor costs and equipment idle costs, and reduces the production efficiency of enterprises.
[0005] 3. During the processing of traditional tooling, it is difficult to effectively suppress vibration and displacement. When the machine tool is running at high speed for cutting, the traditional tooling cannot provide sufficient stable support for the thin-walled part, and the part is prone to vibration and displacement under the action of cutting force, which reduces the processing quality of the part.
[0006] Therefore, it is necessary to design a vacuum tooling for processing aluminum alloy thin-walled part to solve the above problems. CONTENT OF THE UTILITY MODEL
[0007] The utility model aims to provide a vacuum tooling for processing aluminum alloy thin-walled part to solve the problems raised in the background technology.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum tooling for processing aluminum alloy thin-walled part, comprising a tooling body, the top of the tooling body is provided with a profiling surface that can be closely combined with the aluminum alloy thin-walled part, a slot matching the shape of the aluminum alloy thin-walled part is formed at the position close to the edge of the profiling surface, a sealing strip is filled in the inner side of the slot, a gas flow slot covering the entire target area is formed at the inner ring of the top of the profiling surface, and the gas flow slot is connected with a vacuum pump.
[0009] Preferably, the gas flow slots are distributed in a grid pattern on the top of the profiling surface.
[0010] Preferably, the profiling surface is designed with local profiling according to the shape of the aluminum alloy thin-walled part.
[0011] Preferably, a plurality of sets of pin holes are arranged on the edge of the top of the tool body and matched with positioning pins.
[0012] Preferably, the tool body is made of aluminum alloy.
[0013] Preferably, the material thickness of the tool body is 70 mm.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The utility model discloses a profiled surface can be closely attached with the aluminum alloy thin-walled piece, and the vacuum pump can be used to carry out vacuumizing through the airflow slot, forms the negative pressure, thereby can firmly adsorb the aluminum alloy thin-walled piece on the tool body, through the sealing strip filled in the slot, can ensure that the airflow slot is isolated with the outside, prevents the air leakage, guarantees the stability and uniformity of adsorption force, through the cooperation of pin hole and positioning pin, can improve the clamping precision and processing stability of workpiece, and then through the above-mentioned structure, realizes the efficient, stable adsorption of the aluminum alloy thin-walled piece, ensures the machining precision and product quality. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the whole structure schematic view of the utility model;
[0017] Fig. 2 It is the side view of the utility model.
[0018] In the drawing: 1, tool body, 2, profiled surface, 3, pin hole, 4, airflow slot, 5, slot. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0020] Embodiment one
[0021] Please refer to Figs. 1-2As shown, the utility model provides a kind of vacuum tooling of processing aluminum alloy thin-walled part, including tooling body 1, the top of tooling body 1 is equipped with the profiling surface 2 that can be closely combined with aluminum alloy thin-walled part, profiling surface 2 is equipped with the slot 5 of the shape matching of aluminum alloy thin-walled part in the position close to edge, the inner side of slot 5 is filled with sealing strip, the top of profiling surface 2 is equipped with the airflow slot 4 of covering entire target area in the inner ring of slot 5, airflow slot 4 is connected with vacuum pump.
[0022] Specifically, by setting the profiling surface 2, it can be closely combined with the aluminum alloy thin-walled part. The vacuum pump can be used to draw vacuum through the airflow slot 4 to form negative pressure, so that the aluminum alloy thin-walled part can be firmly adsorbed on the tooling body 1. The sealing strip filled in the slot 5 can ensure that the airflow slot 4 is isolated from the outside world, preventing air leakage and ensuring the stability and uniformity of the adsorption force. Through the above structure, efficient and stable adsorption of the aluminum alloy thin-walled part is realized, ensuring the processing precision and product quality.
[0023] Among them, the airflow slot 4 is distributed in a grid shape on the top of the profiling surface 2. The airflow slot 4 is distributed in a grid shape on the top of the profiling surface 2. The vacuum pump draws vacuum to form negative pressure, which firmly adsorbs the aluminum alloy thin-walled part on the profiling surface 2. The grid-shaped airflow slot 4 can ensure uniform distribution of negative pressure and uniform adsorption force, preventing workpiece deformation and ensuring stability and precision during processing.
[0024] Among them, the profiling surface 2 is designed according to the shape of the aluminum alloy thin-walled part. The profiling surface 2 can closely match the shape of the workpiece, ensuring that the workpiece remains stable during adsorption and processing, avoiding deformation or falling due to shape mismatch. The design of the profiling surface 2 can minimize the gap between the workpiece and the tooling, ensuring uniform distribution of vacuum adsorption force and improving processing precision.
[0025] Among them, a plurality of pin holes 3 are provided on the edge of the profiling surface 2 on the top of the tooling body 1, and a positioning pin is provided in cooperation. Through the cooperation of the pin hole 3 and the positioning pin, the aluminum alloy thin-walled part can be accurately positioned during clamping, preventing displacement of the workpiece during processing. The design of the pin hole 3 can improve the clamping precision and processing stability of the workpiece.
[0026] Among them, the tooling body 1 is made of aluminum alloy material, and the material thickness of the tooling body 1 is 70mm. The high-strength aluminum alloy material and sufficient thickness can ensure that the tooling has sufficient rigidity and stability during processing, preventing deformation or vibration caused by processing force or vacuum adsorption force. The lightweight characteristics of aluminum alloy material also make the tooling easy to carry and operate, while having good corrosion resistance and thermal conductivity, suitable for high-precision processing of aluminum alloy thin-walled parts.
[0027] Working principle: first, the aluminum alloy thin-walled parts are placed on the profiling surface 2 of the tool body 1, ensure that the workpiece and profiling surface 2 closely, through the pin hole 3 and the cooperation of the positioning pin, can ensure that the aluminum alloy thin-walled parts can be accurately positioned, then, start the vacuum pump, vacuum pump through the air flow slot 4 vacuum, form negative pressure, negative pressure through the air flow slot 4 evenly distributed to the whole target area, can firmly adsorbed in the profiling surface 2 of aluminum alloy thin-walled parts, the sealing strip in the slot 5 can ensure that the air flow slot 4 and the outside is isolated, prevent air leakage, guarantee the stability and uniformity of adsorption force, then use processing equipment to process aluminum alloy thin-walled parts, the rigidity and stability of tool body 1 can ensure the machining precision, after processing, close the vacuum pump, release the negative pressure, finally, take out the processed aluminum alloy thin-walled parts, and then complete the whole operation process.
[0028] The contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A vacuum tooling for machining thin-walled aluminium alloy parts, comprising a tooling body (1), characterised in that: The top of the tool body (1) is provided with a profiling surface (2) which can be closely attached to the aluminum alloy thin-walled part, a notch (5) which matches the shape of the aluminum alloy thin-walled part is arranged near the edge of the profiling surface (2), a sealing strip is filled in the inner side of the notch (5), a gas flow notch (4) covering the whole target area is arranged on the top of the profiling surface (2) at the inner ring of the notch (5), and the gas flow notch (4) is connected with a vacuum pump.
2. The vacuum tooling for processing aluminum alloy thin-walled parts according to claim 1, characterized in that: The gas flow notches (4) are distributed in a grid shape on the top of the profiling surface (2).
3. The vacuum tooling for machining aluminum alloy thin-walled parts according to claim 2, characterized in that: The profiling surface (2) is locally profiled according to the shape of the aluminum alloy thin-walled part.
4. The vacuum tooling for processing aluminum alloy thin-walled parts according to claim 1, characterized in that: A plurality of pin holes (3) are arranged on the top of the tool body (1) at the edge of the profiling surface (2), and a positioning pin is arranged in cooperation.
5. A vacuum tooling for processing thin-walled aluminum alloy parts according to claim 4, characterized in that: The tool body (1) is made of aluminum alloy.
6. A vacuum tooling for machining thin-walled aluminum alloy parts according to claim 5, characterized in that: The material thickness of the tool body (1) is 70 mm.