CN202571937U - Multi-curve-surface composite part fixture - Google Patents
Multi-curve-surface composite part fixture Download PDFInfo
- Publication number
- CN202571937U CN202571937U CN 201220225555 CN201220225555U CN202571937U CN 202571937 U CN202571937 U CN 202571937U CN 201220225555 CN201220225555 CN 201220225555 CN 201220225555 U CN201220225555 U CN 201220225555U CN 202571937 U CN202571937 U CN 202571937U
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- CN
- China
- Prior art keywords
- curve
- positioning
- fixture
- composite part
- surface composite
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- Expired - Fee Related
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Abstract
The utility model discloses a multi-curve-surface composite part fixture, which is arranged on a rotary workbench of a fourth shaft of a processing center, one end of the multi-curve-surface composite part fixture is clamped by a three-claw clamping disc, and the other end of the multi-curve-surface composite part fixture jacks the top of a tail seat. The fixture comprises a fixture body, a positioning device and a clamping device, wherein the fixture body is a long core shaft, one end of the core shaft is provided with a top center hole, the positioning device comprises three positioning bases, the positioning bases are fixed on the core shaft, positioning curve surfaces on the positioning bases are matched with a curve face of a part to be processed, the clamping device comprises a press plate, a flat gasket, a locking nut, a locking screw rod and an adjusting bearing, and the curve face of the press plate is matched with the curve face of the part to be processed. The multi-curve-surface composite part fixture is simple in structure, the curve faces of the positioning bases and the press plate are matched with the curve face of the part, the contact area of a positioning face and the curve face of the part is increased, the multi-curve-surface composite part fixture has the characteristics that the positioning precision is high, the labor intensity can be reduced, the production efficiency is improved, all processing precisions of the part are improved, the production cost is saved, the lead time of a product is shortened, and the fixture is suitable for processing of a multi-curve-surface composite part.
Description
Technical field
The utility model relates to the special fixture in the machining, promptly a kind of many curved surfaces composite part clamp for machining.
Background technology
Usually Machining of Curved Surface adopts four-axle linked machining center, and cutter adopts the spherical slotting cutter processing of mould.Must consider the clamping and the location of part in the part processing, clamping is generally realized through frock clamp with the location.Given this, the frock clamp that in production practices, designs should satisfy the clamping and the location of part, guarantees that again clamp structure is simple as far as possible; The reliability of anchor clamps resetting in adjustment or replacing process; The stability and the reliability of workpiece location in the use; Enough carryings or the clamping dynamics work progress to guarantee that workpiece carries out on frock clamp is arranged.Many curved surfaces composite part is difficult in and finds positioning reference plane on the part, has increased difficulty for the design of frock clamp.
Summary of the invention
In order to solve the difficult problem that machining center mills many curved surfaces composite part positioning and clamping, the utility model provides a kind of many curved surfaces composite part anchor clamps.
This many curved surfaces composite part anchor clamps; Be installed on the 4th rotary table of machining center, an end is clamped by scroll chuck, other end top tailstock centre; It is characterized in that; Described anchor clamps comprise clamp body, positioner and clamping device, and clamp body is a long mandrel, and an end of mandrel has top centre bore; Described positioner comprises three positioning pedestals; Positioning pedestal is fixed on the mandrel; The location curved surface and the part to be processed curved surface on positioning pedestal top match; Described clamping device comprises pressing plate, flat shim, locking nut, tie down screw and adjusting supporting, and the curved surface of pressing plate and part to be processed curved surface match, and clamping device is fixedly mounted on processed part on the positioning pedestal.
The utility model is simple in structure, and the curved surface of positioning pedestal and pressing plate and part curved surface match, and have increased the contact area of locating surface and part curved surface; Have the high characteristics of positioning accuracy; Can reduce labour intensity, each item machining accuracy with part of enhancing productivity has the saving production cost; Shorten advantages such as product delivery cycle, be suitable for the processing of many curved surfaces composite part.
Description of drawings
Fig. 1 is the 3-D view that the utility model is suitable for part
Fig. 2 is the front view of the utility model
Fig. 3 is the vertical view of the utility model
Fig. 4 is the right view of the utility model
Fig. 5 is the 3-D view of the utility model
Among the figure: 1: big end clamp plate, 2: middle pressing plate, 3: little end clamp plate, 4: mandrel; 5: part to be processed, 6: big end is regulated supporting, 7: the intermediate regulations supporting, 8: small end is regulated supporting; 9: small end tie down screw, 10: middle tie down screw, 11: hold tie down screw greatly; 12: plain washer, 13: locking nut, 14: positioning pedestal.
The specific embodiment
Below in conjunction with accompanying drawing, the technical scheme of the utility model is described further.
Fig. 1: all machined surfaces all are curved surface, and the upper and lower and curved surface of topping bar is the surface of revolution of curve, and forward and backward and forward and backward step surface is curved surface.Confirm following process route by the characteristic of part: number car → line cutting → machining center; The number car: upper and lower and the curved surface of topping bar are counted car by the revolution parameter of curve be shaped, this moment, part was whole revolving body; The line cutting: revolving body is cut, and forward and backward curved surface stays allowance; Machining center: go up four-axle linked machining center, the spherical slotting cutter of a folder one very useful mould mills forward and backward and forward and backward step curved surface and reaches requirement.All curves or Machining of Curved Surface program are all generated by Master CAM assistant software.
In Fig. 2, Fig. 3 and Fig. 4; This many curved surfaces composite part anchor clamps are installed on the 4th rotary table of machining center, and an end is clamped by scroll chuck; Other end top tailstock centre; Described anchor clamps comprise clamp body, positioner and clamping device, and clamp body is a long mandrel 4, and an end of mandrel 4 has top centre bore; Described positioner comprises three positioning pedestals 14, in positioning pedestal 14 fixed central spindles 4, positioning pedestal 14 tops location curved surface and part to be processed 5 curved surfaces match; Described clamping device comprises pressing plate; Be big end clamp plate 1, middle pressing plate 2 and small end pressing plate 3, flat shim 12 is arranged on the pressing plate, locking nut 13 is arranged on the flat shim 12; Under the pressing plate tie down screw is arranged; Be small end tie down screw 9, middle tie down screw 10 and hold tie down screw 11 greatly, pressing plate also has the supporting of adjusting down, and promptly big end is regulated supporting 6, intermediate regulations supporting 7 and small end and regulated supporting 8; The curved surface of the curved surface of pressing plate and part to be processed 5 matches, and clamping device is fixedly mounted on processed part 5 on the positioning pedestal 14.
Fig. 5: this figure is the 3-D view of the utility model, i.e. the installation diagram of part to be processed and anchor clamps.
Claims (1)
1. many curved surfaces composite part anchor clamps; Be installed on the 4th rotary table of machining center, an end is clamped by scroll chuck, other end top tailstock centre; It is characterized in that; Described anchor clamps comprise clamp body, positioner and clamping device, and clamp body is a long mandrel, and an end of mandrel has top centre bore; Described positioner comprises three positioning pedestals; Positioning pedestal is fixed on the mandrel; The location curved surface and the part to be processed curved surface on positioning pedestal top match; Described clamping device comprises pressing plate, flat shim, locking nut, tie down screw and adjusting supporting, and the curved surface of pressing plate and part to be processed curved surface match, and clamping device is fixedly mounted on processed part on the positioning pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225555 CN202571937U (en) | 2012-05-19 | 2012-05-19 | Multi-curve-surface composite part fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225555 CN202571937U (en) | 2012-05-19 | 2012-05-19 | Multi-curve-surface composite part fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571937U true CN202571937U (en) | 2012-12-05 |
Family
ID=47241388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220225555 Expired - Fee Related CN202571937U (en) | 2012-05-19 | 2012-05-19 | Multi-curve-surface composite part fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202571937U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476226A (en) * | 2014-11-13 | 2015-04-01 | 福建兵工装备有限公司 | Contour processing clamp for bending part |
| CN112719883A (en) * | 2020-12-21 | 2021-04-30 | 北京航星机器制造有限公司 | Assembly tool |
-
2012
- 2012-05-19 CN CN 201220225555 patent/CN202571937U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476226A (en) * | 2014-11-13 | 2015-04-01 | 福建兵工装备有限公司 | Contour processing clamp for bending part |
| CN112719883A (en) * | 2020-12-21 | 2021-04-30 | 北京航星机器制造有限公司 | Assembly tool |
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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 |
Granted publication date: 20121205 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |