CN206010470U - A kind of can pinpoint orbiter structure frock clamp - Google Patents
A kind of can pinpoint orbiter structure frock clamp Download PDFInfo
- Publication number
- CN206010470U CN206010470U CN201620858533.8U CN201620858533U CN206010470U CN 206010470 U CN206010470 U CN 206010470U CN 201620858533 U CN201620858533 U CN 201620858533U CN 206010470 U CN206010470 U CN 206010470U
- Authority
- CN
- China
- Prior art keywords
- positioning
- orbiter
- precision
- ultraprecise
- reference block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0253—Details concerning the base
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/10—Manufacture by removing material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of can pinpoint orbiter structure frock clamp, orbiter structure includes orbiter, the upper surface on orbiter circumferential edge edge is provided with several grooves.The groove is three, is evenly distributed on the circumference of orbiter.Frock clamp includes accurate connecting plate, accurate support base, reference axis Ultra-precision positioning reference block, plane positioning precision reference block, the main alignment pin of ultraprecise, ultraprecise auxiliary positioning pin, auxiliary positioning pin, clamp system；The utility model carries out Ultra-precision positioning using orbiter dead eye and fabrication hole and the processed plane of reverse side, groove at three is set in the upper surface on orbiter circumferential edge edge simultaneously, by the use of this impetus of the groove as thrust at three, change traditional positioning mode and clamping mode, the cutting stress that cutter is produced to workpiece when being completely counterbalanced by processing, eliminates positioning precision difference and the big problem of resetting error that benchmark disunity is caused.
Description
Technical field
The utility model is related to screw compressor manufacture field, more particularly to one kind can pinpoint orbiter structure
Frock clamp.
Background technology
The processing of orbiter and fixed scroll in screw compressor is always a technical barrier, domestic prior art
Can't resolve that positioning precision is poor always, the difficult problem that thrust is unstable and repetitive positioning accuracy is poor；Especially orbiter, because of which
Outward appearance almost is required for processing in institute position, and during processing, clamped position is very limited, and difficulty of processing is bigger.
The existing process technology subject matter of orbiter is positioning datum and detection benchmark disunity, positioning datum and dress
Match somebody with somebody benchmark disunity, positioning accurate parasexuality is poor when causing to process；In addition, existing fixture and clamping mode are usually to orbiter
The swelling in bottom bearing hole is positioned or carries out external force clamping to orbiter excircle, because its clamping force for positioning is leaned on completely
The expanding force of radial direction, and the cutting force of mainly axial direction when processing suffered by orbiter so that clamp mode and positioning
Mode produced definition and interfered, and the problem for being difficult to be completely counterbalanced by the locating bias that cutting stress is caused during processing is also just generated
Repetitive positioning accuracy is poor, clamping force is unstable, problem.
Utility model content
The purpose of this utility model be to provide a kind of can pinpoint orbiter structure frock clamp, using dynamic whirlpool
Capstan dead eye and fabrication hole and the processed plane of reverse side carry out Ultra-precision positioning, while the upper table on orbiter circumferential edge edge
Face arranges groove at three, by the use of this at three groove as the impetus of thrust, change traditional positioning mode and clamping mode,
The cutting stress that cutter is produced to workpiece when being completely counterbalanced by processing, positioning precision difference and repeat to determine that elimination benchmark disunity is caused
The big problem of position error.
For achieving the above object, the utility model employs the following technical solutions realization：
One kind can pinpoint orbiter structure, including orbiter, in the upper surface on orbiter circumferential edge edge
It is provided with several grooves.
The groove is three, is evenly distributed on the circumference of orbiter.
A kind of to can pinpoint orbiter structure positioning frock clamp, including accurate connecting plate, accurate support
Seat, reference axis Ultra-precision positioning reference block, plane positioning precision reference block, the main alignment pin of ultraprecise, ultraprecise auxiliary positioning pin,
Auxiliary positioning pin, clamp system；Accurate support base is arranged on the upper end of accurate connecting plate by auxiliary positioning finger setting, three it
Between be threaded connection；Reference axis Ultra-precision positioning reference block is arranged on the upper end of accurate support base, is bolted；Plane
The accurate reference block of positioning is arranged on reference axis Ultra-precision positioning reference block upper end, is bolted；Ultraprecise auxiliary positioning pin
Lower end be fixed in reference axis Ultra-precision positioning reference block, the upper end of ultraprecise auxiliary positioning pin is through plane positioning precision base
Quasi- block, the main alignment pin of ultraprecise be arranged on the upper end of reference axis Ultra-precision positioning reference block, plane positioning precision reference block in
In heart hole, the lower end of the main alignment pin of ultraprecise is fixed in reference axis Ultra-precision positioning reference block；Accurate support base, reference axis surpass
Precision positioning reference block, plane positioning precision reference block and the main alignment pin of ultraprecise are coaxially disposed；Clamp system is fixed on precision
On connecting plate, the periphery of accurate support base, three clamp systems are distributed on the circumference with accurate support base axle center as the center of circle；
During processing orbiter, the bottom processing plane of orbiter is fitted with plane positioning precision reference block upper surface,
The fabrication hole and central shaft hole of orbiter bottom is installed with ultraprecise auxiliary positioning pin and the main detent fit of ultraprecise respectively,
The paw of clamp system is pressed on orbiter three grooves.
Compared with prior art, the beneficial effects of the utility model are：
1) Ultra-precision positioning is carried out using orbiter dead eye and fabrication hole and the processed plane of reverse side, will position base
Accurate, detection benchmark and reference for assembling are unified, and improve positioning accurate parasexuality during processing, have effectively eliminated due to benchmark not
The problem of the positioning precision difference that unification is caused.
2) the utility model does origin reference location using orbiter bottom bearing hole, is done using vortex tray bottom fabrication hole auxiliary
Help the fabrication hole of positioning, vortex tray bottom be processed according to the positional precision of ultraprecise auxiliary positioning pin in fixture, should
Design is greatly improved than original frock clamp resetting stability and positioning accurate parasexuality, and in actual production process, this is fixed
Position mode processes the qualification rate that can ensure that 99.95%.
3) the utility model arranges groove at three in the upper surface on orbiter circumferential edge edge, by the use of this at three groove as
The impetus of thrust, is clamped by clamp system in conjunction with frock clamp, changes traditional clamping mode, can be completely counterbalanced by
The cutting stress that cutter is produced to workpiece during processing, clamping force are stable.
Description of the drawings
Fig. 1 be the utility model a kind of can pinpoint orbiter dimensional structure diagram.
Fig. 2 be by can pinpoint orbiter be installed the dimensional structure diagram on frock clamp.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the A-A direction views of Fig. 3.
In figure：1- orbiters, 2- plane positionings precision reference block, 3- reference axis Ultra-precision positioning reference blocks, 4- are accurate
Support base, 5- clamp systems, 6- precision connecting plate, 7- lifting parts, 8- ultraprecise auxiliary positioning pins, the main alignment pin of 9- ultraprecises,
10- auxiliary positioning pins, 11- paws, 12- grooves.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is further illustrated：
As Figure 1-Figure 4, one kind can pinpoint orbiter structure, including orbiter 1, in orbiter 1
The upper surface on circumferential edge edge is provided with several grooves 12.
The groove 12 is three, is evenly distributed on the circumference of orbiter 1.
Three 12 positions of groove on orbiter 1 be computed after again through analysis mode software emulation simulation after determine
, the position of these three grooves 12 can not affect the use in 1 normal work face of orbiter.The groove 12 is also used as simultaneously
Oil groove plays a part of associated components lubrication.
A kind of to can pinpoint orbiter structure positioning frock clamp, including accurate connecting plate 6, accurate support
Main alignment pin 9, the ultraprecise auxiliary of seat 4, reference axis Ultra-precision positioning reference block 3, plane positioning precision reference block 2, ultraprecise is fixed
Position pin 8, auxiliary positioning pin 10, clamp system 5；Accurate support base 4 is arranged on the upper end of accurate connecting plate 6 and passes through auxiliary positioning pin
10 positioning, are threaded connection between three；Reference axis Ultra-precision positioning reference block 3 is arranged on the upper end of accurate support base 4, leads to
Cross bolt to fix；Plane positioning precision reference block 2 is arranged on 3 upper end of reference axis Ultra-precision positioning reference block, is bolted；
The lower end of ultraprecise auxiliary positioning pin 8 is fixed in reference axis Ultra-precision positioning reference block 3, ultraprecise auxiliary positioning pin 8 upper
End through plane positioning precision reference block 2, the main alignment pin 9 of ultraprecise be arranged on reference axis Ultra-precision positioning reference block 3 upper end,
In the centre bore of plane positioning precision reference block 2, the lower end of the main alignment pin 9 of ultraprecise is fixed on reference axis Ultra-precision positioning benchmark
In block 3；Accurate support base 4, reference axis Ultra-precision positioning reference block 3, plane positioning precision reference block 2 and the main alignment pin of ultraprecise
9 are coaxially disposed；Clamp system 5 is fixed on accurate connecting plate 6, the periphery of accurate support base 4, and three clamp systems 5 are distributed on
On circumference with 4 axle center of accurate support base as the center of circle；
During processing orbiter 1, the bottom processing plane of orbiter 1 is pasted with 2 upper surface of plane positioning precision reference block
Close, by plane positioning precision processing plane precise positioning of the reference block 2 to the bottom of orbiter 1.1 bottom of orbiter
Fabrication hole and dead eye are coordinated with ultraprecise auxiliary positioning pin 8 and the main alignment pin 9 of ultraprecise respectively to be installed, the pressure of clamp system 5
Pawl 11 is pressed on orbiter 1 three grooves 12.
Ultraprecise auxiliary positioning pin 8 is coordinated for gap with the fabrication hole of 1 bottom of orbiter, and tolerance grade is+0.006mm
Within.The main alignment pin 9 of ultraprecise is coordinated for gap with the dead eye of 1 bottom of orbiter, within tolerance grade is+0.005mm,
Within clamping repetitive positioning accuracy 0.01mm.In the utility model, the Working position of 1 bottom fabrication hole of orbiter is according to folder
In tool, the positional precision of ultraprecise auxiliary positioning pin 8 determines that the design greatly improves the steady of frock clamp resetting
The accuracy of qualitative and positioning.
Connection screw thread hole is provided between reference axis Ultra-precision positioning reference block 3 and accurate support base 4, the two passes through spiral shell
Bolt is fixed.
Be provided with centre bore and side hole on reference axis Ultra-precision positioning reference block 3, the lower end of the main alignment pin 9 of ultraprecise with
3 center interporal lacuna of reference axis Ultra-precision positioning reference block fits through jackscrew and holds out against fixation, or the main alignment pin 9 of ultraprecise
Fixed using interference fit with 3 centre bore of reference axis Ultra-precision positioning reference block lower end.The lower end of ultraprecise auxiliary positioning pin 8 with
The side interporal lacuna of reference axis Ultra-precision positioning reference block 3 fits through jackscrew and holds out against fixation, or ultraprecise auxiliary positioning
Fixed using interference fit in the side hole of the lower end of pin 8 and reference axis Ultra-precision positioning reference block 3.
Connection screw thread hole also is provided between plane positioning precision reference block 2 and reference axis Ultra-precision positioning reference block 3, two
Person is bolted.
Plane positioning precision reference block 2 is also equipped with centre bore and side hole, and the upper end of the main alignment pin 9 of ultraprecise is arranged on
The centre bore of plane positioning precision reference block 2, the upper end of ultraprecise auxiliary positioning pin 8 is through plane positioning precision reference block 2
Side hole.
Lifting part 7 is further fixed on accurate connecting plate 6, and lifting part 7 is connected with accurate connecting plate 6 by screw thread, is played
The effect of convenient handling.
Clamp system 5 can adopt pneumatic pinch, hydraulic clamp, mechanical type manual clamping, electronic clamping etc., same type and
Similar clamp system.
The utility model arranges groove 12 at three in the upper surface on 1 circumferential edge edge of orbiter, using this groove 12 at three
As the impetus of thrust, it is fixedly clamped by clamp system 5 in conjunction with frock clamp, cutter pair when can be completely counterbalanced by processing
The cutting stress that workpiece is produced, accurate positioning, clamping force are stable, are effectively guaranteed the processing progress of orbiter 1.
Claims (1)
1. a kind of can pinpoint orbiter structure frock clamp, orbiter structure includes orbiter, in dynamic whirlpool
The upper surface on capstan circumferential edge edge is provided with several grooves；The groove is three, is evenly distributed on the circumference of orbiter
On；Characterized in that, frock clamp includes that accurate connecting plate, accurate support base, reference axis Ultra-precision positioning reference block, plane are fixed
The accurate reference block in position, the main alignment pin of ultraprecise, ultraprecise auxiliary positioning pin, auxiliary positioning pin, clamp system；Accurate support base sets
Put in the upper end of accurate connecting plate by auxiliary positioning finger setting, be threaded connection between three；Reference axis Ultra-precision positioning
Reference block is arranged on the upper end of accurate support base, is bolted；Plane positioning precision reference block is arranged on reference axis superfinishing
Close positioning datum block upper end, is bolted；The lower end of ultraprecise auxiliary positioning pin is fixed on reference axis Ultra-precision positioning base
In quasi- block, through plane positioning precision reference block, the main alignment pin of ultraprecise is arranged on benchmark for the upper end of ultraprecise auxiliary positioning pin
In the upper end of axle Ultra-precision positioning reference block, the centre bore of plane positioning precision reference block, the lower end of the main alignment pin of ultraprecise is solid
It is scheduled in reference axis Ultra-precision positioning reference block；Accurate support base, reference axis Ultra-precision positioning reference block, plane positioning precision base
Quasi- block is coaxially disposed with the main alignment pin of ultraprecise；Clamp system is fixed on accurate connecting plate, the periphery of accurate support base, three
Clamp system is distributed on the circumference with accurate support base axle center as the center of circle；
During processing orbiter, the bottom processing plane of orbiter is fitted with plane positioning precision reference block upper surface, moves whirlpool
The fabrication hole and central shaft hole of capstan bottom is installed with ultraprecise auxiliary positioning pin and the main detent fit of ultraprecise respectively, is clamped
The paw of mechanism is pressed on orbiter three grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858533.8U CN206010470U (en) | 2016-08-10 | 2016-08-10 | A kind of can pinpoint orbiter structure frock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858533.8U CN206010470U (en) | 2016-08-10 | 2016-08-10 | A kind of can pinpoint orbiter structure frock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206010470U true CN206010470U (en) | 2017-03-15 |
Family
ID=58247716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858533.8U Withdrawn - After Issue CN206010470U (en) | 2016-08-10 | 2016-08-10 | A kind of can pinpoint orbiter structure frock clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206010470U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500876A (en) * | 2018-06-26 | 2018-09-07 | 常州纺织服装职业技术学院 | A kind of frock clamp |
| CN109366397A (en) * | 2018-12-27 | 2019-02-22 | 江西佳时特精密机械有限责任公司 | Heart-shaped bottom surface scroll plate clamp for machining |
| CN110280782A (en) * | 2019-06-20 | 2019-09-27 | 中国航发贵州黎阳航空动力有限公司 | The processing method of thin-walled parts |
| CN110539190A (en) * | 2019-08-23 | 2019-12-06 | 昆山金力达机械科技有限公司 | synchronous machining positioning clamp for movable and fixed scroll plates and machining method of synchronous machining positioning clamp |
| EP3617511A3 (en) * | 2019-10-07 | 2020-07-15 | Pfeiffer Vacuum Gmbh | Scroll pump and method of manufacturing same |
| EP3739166A3 (en) * | 2019-10-07 | 2021-03-17 | Pfeiffer Vacuum Gmbh | Vacuum pump, scroll pump and method of manufacturing same and check valve |
| CN112643573A (en) * | 2020-12-08 | 2021-04-13 | 湖南贝特新能源科技有限公司 | Clamp for measuring molded line of scroll plate |
| CN115213642A (en) * | 2022-08-04 | 2022-10-21 | 松下压缩机(大连)有限公司 | Processing method of movable scroll |
-
2016
- 2016-08-10 CN CN201620858533.8U patent/CN206010470U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500876A (en) * | 2018-06-26 | 2018-09-07 | 常州纺织服装职业技术学院 | A kind of frock clamp |
| CN108500876B (en) * | 2018-06-26 | 2023-12-22 | 常州纺织服装职业技术学院 | Tool clamp |
| CN109366397A (en) * | 2018-12-27 | 2019-02-22 | 江西佳时特精密机械有限责任公司 | Heart-shaped bottom surface scroll plate clamp for machining |
| CN110280782A (en) * | 2019-06-20 | 2019-09-27 | 中国航发贵州黎阳航空动力有限公司 | The processing method of thin-walled parts |
| CN110539190A (en) * | 2019-08-23 | 2019-12-06 | 昆山金力达机械科技有限公司 | synchronous machining positioning clamp for movable and fixed scroll plates and machining method of synchronous machining positioning clamp |
| EP3617511A3 (en) * | 2019-10-07 | 2020-07-15 | Pfeiffer Vacuum Gmbh | Scroll pump and method of manufacturing same |
| EP3739166A3 (en) * | 2019-10-07 | 2021-03-17 | Pfeiffer Vacuum Gmbh | Vacuum pump, scroll pump and method of manufacturing same and check valve |
| EP3974655A3 (en) * | 2019-10-07 | 2022-06-29 | Pfeiffer Vacuum GmbH | Vacuum pump, scroll pump and method of manufacturing same and check valve |
| US11773849B2 (en) | 2019-10-07 | 2023-10-03 | Pfeiffer Vacuum Gmbh | Vacuum pump, scroll pump, and manufacturing method for such |
| CN112643573A (en) * | 2020-12-08 | 2021-04-13 | 湖南贝特新能源科技有限公司 | Clamp for measuring molded line of scroll plate |
| CN115213642A (en) * | 2022-08-04 | 2022-10-21 | 松下压缩机(大连)有限公司 | Processing method of movable scroll |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20180130 |
|
| AV01 | Patent right actively abandoned |