CN215201451U - Gasbag formula thin wall part grinding fixture - Google Patents
Gasbag formula thin wall part grinding fixture Download PDFInfo
- Publication number
- CN215201451U CN215201451U CN202121254067.XU CN202121254067U CN215201451U CN 215201451 U CN215201451 U CN 215201451U CN 202121254067 U CN202121254067 U CN 202121254067U CN 215201451 U CN215201451 U CN 215201451U
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- air bag
- baffle
- part grinding
- type thin
- wall part
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Abstract
The utility model provides an gasbag formula thin wall part grinding anchor clamps, includes supporting component and spacing subassembly, the supporting component includes gasbag and rotation axis, spacing subassembly includes work piece limit baffle, gasbag protection baffle and both ends clamp ring, the rotation axis both sides connect gradually gasbag protection baffle, work piece limit baffle and both ends clamp ring from inside to outside, suit on the rotation axis between two gasbag protection baffle the gasbag, for supplying the station that the work piece of treating grinding was placed between two work piece limit baffle. The utility model provides high thin wall sleeve part's clamping speed and machining precision.
Description
Technical Field
The utility model belongs to the technical field of grinding machine, a gasbag formula thin wall part grinding anchor clamps is related to.
Background
With the continuous development of the mechanical manufacturing industry, the lightweight design of parts becomes a trend, for example, thin-wall parts are widely applied to the fields of aviation and aerospace due to the special comprehensive performance advantages of the thin-wall parts; the thin-wall bearing is more and more widely applied due to the advantages of high precision, low noise, strong bearing capacity, small mass and the like.
The thin-wall part is easy to deform in the machining process due to the characteristic of thin wall thickness, the relative motion track between the workpiece and the cutter can be changed due to the deformation of the workpiece, and if the change is overlarge, the form and position tolerance and the dimensional accuracy of the part are easy to deteriorate. In addition, the hardness requirement of some parts is high, and quenching treatment is also needed, so that the deformation of the parts must be ensured within a controllable and allowable range so as to ensure the stability of the machined dimension of the parts and good surface machining quality.
At present, the maximum size of an integral thin-wall structural part applied abroad exceeds 20m, and the wall thickness is less than 0.4mm, and then, the stable production and processing of the integral thin-wall structural part with the thickness of more than 1.5mm can be realized in China. The thin-wall cylindrical part takes the pressing flange and the mandrel as a tool for grinding the excircle of the inner bushing, and is easy to deform in the machining process and different in machining residual stress at each position, so that the inner diameter surface deforms, and the cylindricity also changes.
Therefore, aiming at the problems, the air bag type thin-wall part grinding clamp is provided, and the clamping speed and the machining precision of the thin-wall part are improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an air bag type thin-wall part grinding clamp, which takes an air bag as a support and a baffle plate for limiting the workpiece; the clamping speed and the machining precision of the thin-wall sleeve part are improved.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an gasbag formula thin wall part grinding anchor clamps, includes supporting component and spacing subassembly, the supporting component includes gasbag and rotation axis, spacing subassembly includes work piece limit baffle, gasbag protection baffle and both ends clamp ring, the rotation axis both sides connect gradually gasbag protection baffle, work piece limit baffle and both ends clamp ring from inside to outside, suit on the rotation axis between two gasbag protection baffle the gasbag, for supplying the station that the work piece of treating grinding was placed between two work piece limit baffle.
Further, an air nozzle and a pressure gauge are connected to the workpiece limiting baffle on one side, and the air nozzle and the pressure gauge are connected with the air bag.
One end of the rotating shaft is fixed by the three-jaw chuck, and the other end of the rotating shaft is provided with a tapered hole which is clamped and positioned by the ejector pin.
The air bag is tubular, and both the inner ring and the outer ring are provided with Z-shaped grains.
The surface of the air bag is a V-shaped groove.
The two ends of the air bag are fixed on the air bag protective baffle, and one end of the air bag is connected with the pressure gauge and the air tap through the sealing piece.
The air bag protective baffle is fixed on the rotating shaft through threads, the air bag protective baffle on one side is fixed, and the air bag protective baffle on the other side can stretch and move to adapt to workpieces with different lengths.
The workpiece limiting baffle is arranged on the outer side of the air bag protecting baffle, and the clamping rings at two ends are arranged on the outermost side and fixed through threads.
The beneficial effects of the utility model are that: the clamping speed and the machining precision of the replacement part are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a gas bag type thin-walled part.
FIG. 2 is a sectional view of the whole structure of the air bag type thin-wall part.
Fig. 3 is an overall schematic view of the airbag.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3, an air bag type thin-wall part grinding fixture comprises a supporting assembly and a limiting assembly, wherein the supporting assembly comprises an air bag 5 and a rotating shaft 8, the limiting assembly comprises a workpiece limiting baffle 6, an air bag protecting baffle 7 and two end clamping rings 6, the air bag protecting baffle 7, the workpiece limiting baffle 6 and the two end clamping rings 9 are sequentially connected to two sides of the rotating shaft 8 from inside to outside, the air bag 5 is sleeved on the rotating shaft between the two air bag protecting baffles 7, and a station for placing a workpiece to be ground is arranged between the two workpiece limiting baffles 6.
Further, an air tap 1 and a pressure gauge 3 are connected to the workpiece limiting baffle 6 on one side, and the air tap 1 and the pressure gauge 3 are connected with an air bag 5. When a workpiece is clamped, the air nozzle is connected with the pressure pump to inflate the air bag 5, the pressure gauge 3 displays the internal pressure of the air bag 5, the workpiece is clamped after a certain pressure value is reached, and the air nozzle 1 is disconnected with the pressure pump; after the processing is finished, the air tap 1 is opened to release the pressure of the air bag 3, the workpiece limiting baffle 6 on one side is dismounted, and the workpiece is taken down.
One end of the rotating shaft 8 is fixed by a three-jaw chuck, the other end of the rotating shaft is provided with a tapered hole 2, and the tapered hole 2 is clamped and positioned by an ejector pin.
Preferably, the air bag 5 is tubular, and both the inner ring and the outer ring are provided with Z-shaped lines, so that the friction force of the air bag 5 when clamping the workpiece 4 is ensured.
Furthermore, the surface of the air bag 5 is provided with a V-shaped groove 10, so that the air bag can be folded in different lengths according to workpieces with different lengths; and the V-shaped groove 10 is beneficial to exhausting air in the clamping process, so that the workpiece is better attached to the air bag.
Furthermore, the two ends of the air bag 5 are fixed on the air bag protective baffle 7, and one end of the air bag 5 is connected with the pressure gauge 3 and the air tap 1 through a sealing piece.
Further, the air bag protective baffle 7 is fixed on the rotating shaft 8 through threads, the air bag protective baffle on one side is fixed, and the air bag protective baffle on the other side can stretch and move to adapt to workpieces with different lengths.
Furthermore, the workpiece limiting baffle 6 is arranged on the outer side of the air bag protective baffle 7, when the workpiece 4 is clamped, the workpiece 4 is limited in axial displacement, and the clamping rings 9 at two ends are arranged on the outermost side and fixed through threads, so that the workpiece limiting baffle is firm in the machining process.
The embodiments described in this specification are merely examples of implementations of the inventive concepts, which are intended for illustrative purposes only. The scope of the present invention should not be construed as being limited to the specific forms set forth in the following description, but rather should be construed as encompassing all the equivalent technical means which may be conceived by one of ordinary skill in the art based on the teachings of the present invention.
Claims (8)
1. The air bag type thin-wall part grinding clamp is characterized by comprising a supporting assembly and a limiting assembly, wherein the supporting assembly comprises an air bag and a rotating shaft, the limiting assembly comprises a workpiece limiting baffle, an air bag protecting baffle and two end clamping rings, the two sides of the rotating shaft are sequentially connected with the air bag protecting baffle, the workpiece limiting baffle and the two end clamping rings from inside to outside, the air bag is sleeved on the rotating shaft between the two air bag protecting baffles, and a station for placing a workpiece to be ground is arranged between the two workpiece limiting baffles.
2. The air bag type thin-walled part grinding fixture of claim 1, wherein an air nozzle and a pressure gauge are connected to the workpiece limiting baffle on one side, and the air nozzle and the pressure gauge are connected to the air bag.
3. The air bag type thin-walled part grinding fixture as claimed in claim 1 or 2, wherein one end of the rotating shaft is fixed by a three-jaw chuck, and the other end of the rotating shaft is provided with a tapered hole which is clamped and positioned by an ejector pin.
4. The air bag type thin-walled part grinding fixture as claimed in claim 1 or 2, wherein the air bag is tubular and has Z-shaped lines on both inner and outer rings.
5. An air bag type thin-wall part grinding clamp as claimed in claim 1 or 2, wherein the air bag surface is a V-shaped groove.
6. An air bag type thin-wall part grinding clamp as claimed in claim 1 or 2, wherein two ends of the air bag are fixed on an air bag protective baffle, and one end of the air bag is connected with a pressure gauge and an air tap through a sealing piece.
7. An air bag type thin-wall part grinding clamp as claimed in claim 1 or 2, wherein the air bag protective baffle is fixed on the rotating shaft through threads, the air bag protective baffle on one side is fixed, and the air bag protective baffle on the other side can move in a telescopic mode to adapt to workpieces with different lengths.
8. An air bag type thin-wall part grinding clamp as claimed in claim 1 or 2, wherein the workpiece limiting baffle is arranged on the outer side of the air bag protecting baffle, and the clamping rings at two ends are arranged on the outermost side and fixed through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254067.XU CN215201451U (en) | 2021-06-07 | 2021-06-07 | Gasbag formula thin wall part grinding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121254067.XU CN215201451U (en) | 2021-06-07 | 2021-06-07 | Gasbag formula thin wall part grinding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215201451U true CN215201451U (en) | 2021-12-17 |
Family
ID=79423670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121254067.XU Active CN215201451U (en) | 2021-06-07 | 2021-06-07 | Gasbag formula thin wall part grinding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215201451U (en) |
-
2021
- 2021-06-07 CN CN202121254067.XU patent/CN215201451U/en active Active
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