CN201596906U - Machining fixture for rotor base of compressing machine - Google Patents
Machining fixture for rotor base of compressing machine Download PDFInfo
- Publication number
- CN201596906U CN201596906U CN2009202547629U CN200920254762U CN201596906U CN 201596906 U CN201596906 U CN 201596906U CN 2009202547629 U CN2009202547629 U CN 2009202547629U CN 200920254762 U CN200920254762 U CN 200920254762U CN 201596906 U CN201596906 U CN 201596906U
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- Prior art keywords
- main body
- workpiece
- jig main
- machining
- locating surface
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Abstract
The utility model discloses a machining fixture for a rotor base of a compressing machine. The structure is that the front end of a main body of the fixture is provided with a locating surface; a workpiece chamber is arranged on the fixture body; the main body of the fixture is the integral structure; and a locating pin or a locating screw corresponding to a locating hole of a workpiece is arranged on the locating surface of the main body of the fixture. The machining fixture can not have the deviation caused by the combination and fixation of an upper cover and a lower base, so as to improve the machining precision of the workpiece and overcome the defects that the traditional fixture is easy to loose, deform and abrade and can be easy to cause the bath quality accident when in ultra-precision machining, etc.
Description
Technical field
The utility model relates to a kind of process equipment of rotor of helical lobe compressor seat, especially a kind of compressor drum seat clamp for machining.
Background technology
The rotor of helical lobe compressor seat clamp for machining of prior art is that the steel plate weldment is the separate combination type structure: jig main body is divided into lid above the anchor clamps and following base two parts, form the workpiece chamber between loam cake and the base, rotator seat workpiece to be processed is packed into behind the base below the anchor clamps, loam cake is anchored on the lower bottom base, by securing members such as bolts two parts are connected and fixed then, simultaneously, the location of workpiece is to put two supporting seats in lower bottom base, and workpiece pad is risen.
The rotor of helical lobe compressor seat clamp for machining of said structure is because workpiece to be processed is bigger, and the jig main body that steel plate materials is made is the Open architecture that two parts constitute, insufficient rigidity, and anchor clamps are yielding; Bolting is easily loosening, and holding workpiece is yielding, and it is easy to wear to load and unload clamping for a long time; Supporting seat supporting workpiece location, positioning accuracy is poor.Cause it that following weak point is arranged: the workpiece machining accuracy is poor, the position degree is easily overproof, and the quality of lot accident easily takes place during processing ultraprecise product.
The utility model content
The technical problems to be solved in the utility model provides the high rotor of helical lobe compressor seat clamp for machining of a kind of machining accuracy.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: jig main body is provided with the workpiece chamber, and its structure is that the front end of jig main body is made as locating surface, and jig main body is structure as a whole; On the locating surface of jig main body, be provided with alignment pin corresponding or dog screw with the locating hole of workpiece.
The further technical scheme of the utility model is to be provided with the alignment pin corresponding with the locating hole of workpiece on the locating surface of jig main body, is provided with the rotation pressing plate on the locating surface of jig main body.
The utility model further technical scheme is to be provided with 2 alignment pins on the locating surface of jig main body.
Adopt the beneficial effect that technique scheme produced to be: jig main body of the present utility model adopts gantry frame formula integrative-structure, all be an integral body of sealing up and down, during use workpiece to be processed is put into anchor clamps from the workpiece chamber, be fitted on the locating surface, alignment pin or dog screw are inserted in the locating hole of workpiece; When especially adopting two alignment pins, when alignment pin cooperates the location of realizing workpiece with a locating surface, improved positioning accuracy.Because jig main body adopts integrative-structure, the deviation that does not exist the combination of loam cake and lower bottom base fixedly to bring, thereby the precision when improving processing work has solved easily loosening, yielding, the easy to wear and ultraprecise of traditional anchor clamps and has added easy weak point such as generation quality of lot accident in man-hour.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the utility model Workpiece structure schematic diagram to be processed;
Fig. 4 be among Fig. 3 B to structural representation.
The specific embodiment
Shown in Figure 1, the jig main body 1 of the utility model compressor drum seat clamp for machining is a gantry frame formula integrative-structure, by the cast molding of high-strength alloy cast iron quality.Shown in Fig. 1,2, the front end of jig main body 1 is a locating surface 6, is used for workpiece location to be processed.The middle part of jig main body 1 has the workpiece chamber 4 that is used to hold workpiece, and during use, workpiece is put in the workpiece chamber 4 from locating surface, can process after fixing.
Shown in Fig. 1,2, this compressor drum seat clamp for machining is provided with alignment pin 2 on the locating surface 6 of jig main body, and the locating hole 8 of workpiece 7 adapts among the position of alignment pin 2 and Fig. 3,4, is used for workpiece 7 accurately is positioned in locating surface 6 and the workpiece chamber 4.The quantity of alignment pin 2 preferably is set to 2, and locate mode is two pin one side formulas, i.e. locating surface of workpiece applying.For improving positioning accuracy, alignment pin can be made difform, as makes six prismatic pins, straight pin.More firm for the location that makes workpiece, on locating surface 6, also have steady pin 5, alignment pin and steady pin preferably are arranged in triangle, and two alignment pins 2 play pinpoint effect, and steady pin 5 has been the booster action of fixation workpiece.Be equipped with on the next door of each alignment pin 2 and rotate pressing plate 3, navigate to workpiece 7 in the workpiece chamber 4 after, rotate pressing plate 3, with Work-sheet pressing in the position of being located.Rotate pressing plate 3 and be preferably adjustable, rotate the distance of pressing plate, regulate the compacted degree of workpiece apart from locating surface by regulating.
The alignment pin of this compressor drum seat clamp for machining on the locating surface of jig main body can also be dog screw, can match with nut and screw, and workpiece is fixed on these anchor clamps.
An object has six locational uncertainties when the space right-angle coordinate system is placed:
1.X axial uncertainty; 2. the uncertainty of rotating around X-axis; 3.Y axial uncertainty; 4. the uncertainty of rotating around Y-axis; 5.Z axial uncertainty; 6. around the uncertainty of Z axle rotation.
This compressor drum seat clamp for machining is after loading onto workpiece (rotator seat): a, 3 pressing plate positions are at 3 and form planes, after 3 pressing plates compress, limited the uncertainty of 3 chucking lug datum levels edges of workpiece, also limited the rotation uncertainty of workpiece simultaneously around Z and Y-axis perpendicular to the X-direction of this face.(above limited three uncertainties).
B, plug two alignment pins after, promptly limited the uncertainty of workpiece along Y-axis and Z axle, also limited simultaneously the uncertainty that workpiece rotates around X-axis.(having limited 3 uncertainties again).
C, " two pin one sides " are anchor clamps one location principles.Insert three pins and just cross the location, promptly unnecessary location is because of the existence that error is arranged causes the difficulty that is installed again easily.Therefore two alignment pins are optimum.To there be a pin best in two alignment pins, have overcome the clamping difficulty probability that the existence of minimum error causes with the rhombus pin.Simply say, just define workpiece along the rotation uncertainty on the locating surface behind two alignment pin location.Promptly play a part directed.
Claims (6)
1. compressor drum seat clamp for machining, jig main body is provided with the workpiece chamber, it is characterized in that: described jig main body is structure as a whole; The front end face of jig main body is made as locating surface, is provided with alignment pin corresponding with the locating hole of workpiece or dog screw on the locating surface of jig main body.
2. compressor drum seat clamp for machining according to claim 1 is characterized in that: be provided with the alignment pin corresponding with the locating hole of workpiece on the locating surface of jig main body, be provided with the rotation pressing plate on the locating surface of jig main body.
3. compressor drum seat clamp for machining according to claim 2 is characterized in that: described rotation pressing plate is adjustable rotation pressing plate.
4. compressor drum seat clamp for machining according to claim 2 is characterized in that: be provided with 2 alignment pins on the locating surface of jig main body.
5. compressor drum seat clamp for machining according to claim 4 is characterized in that: also be provided with steady pin on the locating surface of jig main body.
6. according to described any one compressor drum seat clamp for machining of claim 2-5, it is characterized in that: 3 rotation pressing plates that on the locating surface of jig main body, are provided with positional alignment triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202547629U CN201596906U (en) | 2009-12-01 | 2009-12-01 | Machining fixture for rotor base of compressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202547629U CN201596906U (en) | 2009-12-01 | 2009-12-01 | Machining fixture for rotor base of compressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201596906U true CN201596906U (en) | 2010-10-06 |
Family
ID=42807953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202547629U Expired - Fee Related CN201596906U (en) | 2009-12-01 | 2009-12-01 | Machining fixture for rotor base of compressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201596906U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020637A (en) * | 2015-08-25 | 2015-11-04 | 江苏翠钻照明有限公司 | LED lamp panel fixing jig |
| CN105563156A (en) * | 2016-03-10 | 2016-05-11 | 胡金花 | Spherical washer turning fixture |
| CN106623870A (en) * | 2016-10-11 | 2017-05-10 | 天津方准因特雷准科技有限公司 | Workpiece clamping mechanism of casting part burr grinding machine |
| CN109128273A (en) * | 2018-09-17 | 2019-01-04 | 广德亚太汽车智能制动系统有限公司 | Numerical control drilling machine is used in a kind of processing of automobile brake disc |
| CN111502998A (en) * | 2020-04-30 | 2020-08-07 | 上海建桥学院 | Axisymmetric porous disc type rotor adapter and numerical control machining method thereof |
-
2009
- 2009-12-01 CN CN2009202547629U patent/CN201596906U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020637A (en) * | 2015-08-25 | 2015-11-04 | 江苏翠钻照明有限公司 | LED lamp panel fixing jig |
| CN105563156A (en) * | 2016-03-10 | 2016-05-11 | 胡金花 | Spherical washer turning fixture |
| CN106623870A (en) * | 2016-10-11 | 2017-05-10 | 天津方准因特雷准科技有限公司 | Workpiece clamping mechanism of casting part burr grinding machine |
| CN109128273A (en) * | 2018-09-17 | 2019-01-04 | 广德亚太汽车智能制动系统有限公司 | Numerical control drilling machine is used in a kind of processing of automobile brake disc |
| CN111502998A (en) * | 2020-04-30 | 2020-08-07 | 上海建桥学院 | Axisymmetric porous disc type rotor adapter and numerical control machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20121201 |