CN203019063U - Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece - Google Patents
Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece Download PDFInfo
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- CN203019063U CN203019063U CN 201220711616 CN201220711616U CN203019063U CN 203019063 U CN203019063 U CN 203019063U CN 201220711616 CN201220711616 CN 201220711616 CN 201220711616 U CN201220711616 U CN 201220711616U CN 203019063 U CN203019063 U CN 203019063U
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- ring
- banding
- rubber
- hinge
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Abstract
The utility model discloses a device for preventing the processing deformation of an internal profile of a cylindrical thin-walled workpiece, belongs to the technical field of machining, and is applied to the field of the machining of the cylindrical thin-walled workpiece such as turning, milling, boring and drilling. According to the device, vibration in a machining process is eliminated, deformation coefficients are reduced, the processing quality of the internal profile of the cylindrical thin-walled workpiece is ensured, the deformation of parts in the machining process can be effectively reduced, and the processing quality and the production efficiency of the parts are greatly improved. The device comprises a left hooping semi-ring and a right hooping semi-ring, wherein one end of the left hooping semi-ring is connected with one end of the right hooping semi-ring through an eccentric hook mechanism, and the other end of the left hooping semi-ring is connected with the other end of the right hooping semi-ring through a hinge mechanism; a left rubber semi-ring is arranged inside the left hooping semi-ring; a right rubber semi-ring is arranged inside the right hooping semi-ring; external profiles of the left rubber semi-ring and the right rubber semi-ring are respectively attached to internal profiles of the left hooping semi-ring and the right hooping semi-ring; and internal profiles of the left rubber semi-ring and the right rubber semi-ring are matched with external profiles of the processed parts.
Description
Technical field
The utility model belongs to the Machining Technology field, particularly relates to profile processing in a kind of cylindrical thin wall spare and prevents the device that is out of shape, be applied to cylindrical thin wall spare car, mill, the field of machining such as boring, brill.
Background technology
Along with the further raising that aero-engine performance is required, its structure is towards lightweight, thin-walled property and integration future development.Thin-wall part has the characteristics such as clean quality is little, economical with materials, compact conformation, is applied in modern Aviation industry increasingly extensively.The complex structure of aero-engine thin-wall part, size is larger, and generally between 0.5～3mm, allowance is large for wall thickness, and relative rigidity is lower, and processing technology is poor, wayward machining accuracy and raising working (machining) efficiency.Because this part rigidity is relatively poor, very easily produce distortion in processing, be difficult for guaranteeing the processing quality of part.When particularly processing endoporus, if installation way is improper, clamp force distribution is inhomogeneous or excessive, and after clamping, part can be out of shape; Machine unclamp clamping after, because elasticity is recovered, the part circularity over tolerance.Therefore, how improving the machining accuracy of thin-wall part, is a problem demanding prompt solution.
Thin-wall part occupies great ratio in aero-engine is produced,, poor rigidity high due to element precision adopt existing clamping device to carry out clamping, adds man-hour improper because of the application point selection of clamping force and supporting force, can cause additional stress; Folder, the strain of pressing will affects the dimensional accuracy of piece surface and shape, positional precision, generation machining deformation; Therefore, the qualification rate of part is low, and most of product needs overproof use.
The utility model content
For the problem that prior art exists, the utility model provides the interior profile processing of a kind of cylindrical thin wall spare to prevent the device that is out of shape.This device has been eliminated the vibration in the process, has reduced deformation coefficient, has guaranteed the crudy of profile in cylindrical thin wall spare; Can effectively reduce the part deformation in process, greatly improve crudy and the production efficiency of part.
To achieve these goals, the utility model adopts following technical scheme, profile processing prevents the device that is out of shape in a kind of cylindrical thin wall spare, comprise left banding semi-ring and right banding semi-ring, described left banding semi-ring is connected by eccentric hitch gear with an end of right banding semi-ring, and the other end is connected by linkage; Be provided with left rubber semi-ring in the inboard of described left banding semi-ring, be provided with right rubber semi-ring in the inboard of right banding semi-ring; The outer mold surface of described left rubber semi-ring and right rubber semi-ring fits with the interior profile of left banding semi-ring and right banding semi-ring respectively, and the interior profile of left rubber semi-ring and right rubber semi-ring matches with the outer mold surface of part to be processed.
Described eccentric hitch gear is comprised of bearing, spanner, retaining ring and hook seat, and described bearing is fixed on left banding semi-ring, and spanner is fixed on bearing by bearing pin; One end of described retaining ring is connected with spanner, and described hook seat is fixed on right banding semi-ring.
Described linkage is comprised of left semi-hinge and right semi-hinge, and described left semi-hinge is fixed on left banding semi-ring, and right semi-hinge is fixed on right banding semi-ring, and described left semi-hinge is connected by the second bearing pin with right semi-hinge.
Between described left banding semi-ring and left rubber semi-ring, be fixedly connected with by rivet between right banding semi-ring and right rubber semi-ring.
Described left rubber semi-ring and right rubber semi-ring are the polyurethane rubber semi-ring.
Described left banding semi-ring and right banding semi-ring are the metal thin-wall semi-ring.
Can lock securely part to be processed when guaranteeing clamping, leave the gap of 4～10 millimeters between described left banding semi-ring and right banding semi-ring.
For the rotation that guarantees left banding semi-ring and right banding semi-ring is flexible, between described left semi-hinge and the second bearing pin, all keep the gap of 0.01～0.02 millimeter between right semi-hinge and the second bearing pin.
The beneficial effects of the utility model:
The utility model is by the outer mold surface of two banding semi-rings and two rubber semi-ring banding parts to be processed, reach more than 90% of part to be processed outer mold surface owing to clamping contact area, reduced cutting force in clamping force and process to the impact of thin-wall part machining deformation.Rubber semi-ring of the present utility model adopts the polyurethane rubber material, and this material absorbing is good, has eliminated the vibration in the process, has reduced deformation coefficient, has guaranteed the crudy of profile in thin-wall part.
The utility model is simple in structure, makes and uses all very convenient.Use this device, can effectively eliminate vibration and distortion in the thin-wall part process, product percent of pass and production efficiency have greatly been improved, crudy and the machining accuracy of cylindrical thin wall spare all are greatly improved, the part passing rate of processing is brought up to more than 90%, has reduced the single-piece work cost.With 7000 yuan/part of part average unit price, by producing 150 calculating per year, implement to create the year after next approximately 850,000 yuan of benefits.
Along with the develop rapidly of science and technology, thin-wall part will be applied in modern Aviation industry increasingly extensively; Therefore, the utility model extends to military and civilian good production, has a extensive future.
Description of drawings
Fig. 1 is the structural representation that profile processing prevents the device that is out of shape in cylindrical thin wall spare of the present utility model;
Fig. 2 is the side view of Fig. 1;
In figure, 1-left banding semi-ring, 2-left rubber semi-ring, 3-spanner, 4-retaining ring, 5-bearing pin, 6-eccentric hitch gear, 7-bearing, 8-hook seat, 9-right banding semi-ring, 10-right rubber semi-ring, 11-right semi-hinge, the 12-the second bearing pin, 13-linkage, 14-left semi-hinge, 15-rivet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, profile processing prevents the device that is out of shape in a kind of cylindrical thin wall spare, comprise left banding semi-ring 1 and right banding semi-ring 9, described left banding semi-ring 1 is connected by eccentric hitch gear 6 with an end of right banding semi-ring 9, the other end is connected by linkage 13, and left banding semi-ring 1 and right banding semi-ring 9 are controlled folding by linkage 13; Be provided with left rubber semi-ring 2 in the inboard of described left banding semi-ring 1, be provided with right rubber semi-ring 10 in the inboard of right banding semi-ring 9; The outer mold surface of described left rubber semi-ring 2 and right rubber semi-ring 10 fits with the interior profile of left banding semi-ring 1 and right banding semi-ring 9 respectively, and the interior profile of left rubber semi-ring 2 and right rubber semi-ring 10 matches with the outer mold surface of part to be processed.
Described eccentric hitch gear 6 is comprised of bearing 7, spanner 3, retaining ring 4 and hook seat 8, and the bottom of described bearing 7 is fixed on left banding semi-ring 1 by rivet 15, and spanner 3 is fixed on the top of bearing 7 by bearing pin 5; Described retaining ring 4 is for having the Q-RING of 3 millimeters openings of Φ, after the opening of retaining ring 4 by 3 millimeters of Φ is connected on spanner 3, then with the opening seam of retaining ring 4; Described hook seat 8 is fixed on right banding semi-ring 9 by rivet 15, described spanner 3 and bearing pin 5 matched in clearance, bearing 7 and bearing pin 5 interference fit.
Described linkage 13 is comprised of left semi-hinge 14 and right semi-hinge 11, described left semi-hinge 14 is fixed on left banding semi-ring 1 by rivet 15, right semi-hinge 11 is fixed on right banding semi-ring 9 by rivet 15, described left semi-hinge 14 is connected by the second bearing pin 12 with right semi-hinge 11, right semi-hinge 11 and 12 interference fit of the second bearing pin.
Between described left banding semi-ring 1 and left rubber semi-ring 2, be fixedly connected with by rivet 15 between right banding semi-ring 9 and right rubber semi-ring 10.
Described left rubber semi-ring 2 and right rubber semi-ring 10 are the polyurethane rubber semi-ring, and described left banding semi-ring 1 and right banding semi-ring 9 are the metal thin-wall semi-ring, and the wall thickness of metal thin-wall semi-ring is 3～5 millimeters.
Can lock securely part to be processed when guaranteeing clamping, leave the gap of 4～10 millimeters between described left banding semi-ring 1 and right banding semi-ring 9.
For the rotation that guarantees left banding semi-ring 1 and right banding semi-ring 9 is flexible, between described left semi-hinge 14 and the second bearing pin 12, all keep the gap of 0.01～0.02 millimeter between right semi-hinge 11 and the second bearing pin 12.
Below in conjunction with description of drawings clamped one time process of the present utility model:
At first, open device of the present utility model, even left banding semi-ring 1 separates with right banding semi-ring 9, part to be processed is packed between left rubber semi-ring 2 and right rubber semi-ring 10;
Then, even closed device of the present utility model is left banding semi-ring 1 and right banding semi-ring 9 closures;
At last, retaining ring 4 is enclosed within on hook seat 8, locking wrench 3 gets final product.
In working order, the interior profile of polyurethane rubber semi-ring can fit tightly with the outer mold surface of part to be processed, and contact-making surface is even; Owing to adopting two metal thin-wall semi-rings to clamp, clamp contact area and reach more than 90% of part to be processed outer mold surface, reduced cutting force in clamping force and process to the impact of thin-wall part machining deformation.The absorbing of polyurethane rubber material is good, has eliminated the vibration in the process, has improved the crudy of part.
Claims (8)
1. the device that the interior profile processing of cylindrical thin wall spare prevents from being out of shape, is characterized in that comprising left banding semi-ring and right banding semi-ring, and described left banding semi-ring is connected by eccentric hitch gear with an end of right banding semi-ring, and the other end is connected by linkage; Be provided with left rubber semi-ring in the inboard of described left banding semi-ring, be provided with right rubber semi-ring in the inboard of right banding semi-ring; The outer mold surface of described left rubber semi-ring and right rubber semi-ring fits with the interior profile of left banding semi-ring and right banding semi-ring respectively, and the interior profile of left rubber semi-ring and right rubber semi-ring matches with the outer mold surface of part to be processed.
2. profile processing prevents the device that is out of shape in cylindrical thin wall spare according to claim 1, it is characterized in that described eccentric hitch gear is comprised of bearing, spanner, retaining ring and hook seat, described bearing is fixed on left banding semi-ring, and spanner is fixed on bearing by bearing pin; One end of described retaining ring is connected with spanner, and described hook seat is fixed on right banding semi-ring.
3. profile processing prevents the device that is out of shape in cylindrical thin wall spare according to claim 1, it is characterized in that described linkage is comprised of left semi-hinge and right semi-hinge, described left semi-hinge is fixed on left banding semi-ring, right semi-hinge is fixed on right banding semi-ring, and described left semi-hinge is connected by the second bearing pin with right semi-hinge.
4. profile processing prevents the device that is out of shape in cylindrical thin wall spare according to claim 1, it is characterized in that between described left banding semi-ring and left rubber semi-ring, is fixedly connected with by rivet between right banding semi-ring and right rubber semi-ring.
5. profile processing prevents from the device that is out of shape from it is characterized in that described left rubber semi-ring and right rubber semi-ring are the polyurethane rubber semi-ring in cylindrical thin wall spare according to claim 1.
6. profile processing prevents from the device that is out of shape from it is characterized in that described left banding semi-ring and right banding semi-ring are the metal thin-wall semi-ring in cylindrical thin wall spare according to claim 1.
7. profile processing prevents from the device that is out of shape from it is characterized in that leaving the gap of 4～10 millimeters between described left banding semi-ring and right banding semi-ring in cylindrical thin wall spare according to claim 1.
8. profile processing prevents the device that is out of shape in cylindrical thin wall spare according to claim 3, it is characterized in that between described left semi-hinge and the second bearing pin, all keeps the gap of 0.01～0.02 millimeter between right semi-hinge and the second bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711616 CN203019063U (en) | 2012-12-20 | 2012-12-20 | Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711616 CN203019063U (en) | 2012-12-20 | 2012-12-20 | Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019063U true CN203019063U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711616 Expired - Fee Related CN203019063U (en) | 2012-12-20 | 2012-12-20 | Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece |
Country Status (1)
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| CN (1) | CN203019063U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537706A (en) * | 2016-02-05 | 2016-05-04 | 南京金腾齿轮***有限公司 | Gapped non-full-round gear ring machining method |
| CN106141597A (en) * | 2016-08-31 | 2016-11-23 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust thermal insulation layer front portion processing tool and processing method |
| CN107953021A (en) * | 2017-12-14 | 2018-04-24 | 中国航空发动机研究院 | The frock clamp of ultra-thin metal cylindrical member electron beam weldering |
| CN109261987A (en) * | 2018-11-14 | 2019-01-25 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Vehicle Processing manufacturing method of large diameter thin wall ring-shaped work pieces |
| CN110871300A (en) * | 2019-11-22 | 2020-03-10 | 哈电集团（秦皇岛）重型装备有限公司 | Dense hole opening method for large-diameter thin-wall sleeve and circular anti-deformation support |
-
2012
- 2012-12-20 CN CN 201220711616 patent/CN203019063U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537706A (en) * | 2016-02-05 | 2016-05-04 | 南京金腾齿轮***有限公司 | Gapped non-full-round gear ring machining method |
| CN106141597A (en) * | 2016-08-31 | 2016-11-23 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust thermal insulation layer front portion processing tool and processing method |
| CN106141597B (en) * | 2016-08-31 | 2018-08-10 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust thermal insulation layer front processing tool and processing method |
| CN107953021A (en) * | 2017-12-14 | 2018-04-24 | 中国航空发动机研究院 | The frock clamp of ultra-thin metal cylindrical member electron beam weldering |
| CN109261987A (en) * | 2018-11-14 | 2019-01-25 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of Vehicle Processing manufacturing method of large diameter thin wall ring-shaped work pieces |
| CN110871300A (en) * | 2019-11-22 | 2020-03-10 | 哈电集团（秦皇岛）重型装备有限公司 | Dense hole opening method for large-diameter thin-wall sleeve and circular anti-deformation support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20171220 |