CN206105605U - Machine abrasive disc frock - Google Patents
Machine abrasive disc frock Download PDFInfo
- Publication number
- CN206105605U CN206105605U CN201621064793.4U CN201621064793U CN206105605U CN 206105605 U CN206105605 U CN 206105605U CN 201621064793 U CN201621064793 U CN 201621064793U CN 206105605 U CN206105605 U CN 206105605U
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- spring
- abrasive disk
- ball
- machine
- frock
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Abstract
The utility model discloses a machine abrasive disc frock, this frock contains the main shaft interface of mechanical connection lathe main shaft, the compact structure of mechanical connection main shaft interface, mechanical connection compact structure's abrasive disc, compact structure contains the intermediate disk, and the intermediate disk middle part is equipped with axial cavity, cavity along intermediate disk axial one end opening, and opening part swing joint has the spring housing, is equipped with first spring along the intermediate disk axial in the cavity, and first spring offsets along intermediate disk axial and spring housing, and first spring is stretched the span -wise spring housing and is exerted pressure, and the spring housing is connected with the ball journal towards the end of abrasive disc, the ball journal chamber of tangible form size and ball journal looks adaptation is established at the top of abrasive disc, and ball journal activity setting is in the ball journal chamber. The utility model discloses at the design principle who has adopted flexible grinding, the ball journal add the spring the cored structure and week ascending movable apical axis structural design, the terminal surface that can make the abrasive disc add that man -hour can be perfect with the workpiece surface laminating, grinds more even unanimously.
Description
Technical field
This utility model is related to a kind of processing tool, and in particular to a kind of machine abrasive disk frock.
Background technology
High temperature nuclear reactor top cover is a component of pressure vessel independence, and in terms of machining, processing content is various and precision will
Ask higher.Its final machining must be carried out after finished heat treatment, and processing content includes top seal face, 8 material irradiation prisons
Superintend and direct pipe ozzle, 6 absorption ball driving shell ozzles, 1 control rod package mouth, 3 feed sockets, 1 manhole collar, 76 kingbolts
Hole, 4 pin-and-holes.The requirement on machining accuracy of the wherein sealing surface of control rod ozzle flange is high, is the key in top cover machining
Point.
Control rod package mouth flange face is in annular, and overall resurfacing welding material is rustless steel, and flange size is φ 3662- φ
3004mm, there is a sealing surface at 24 in flange face, sealing surface is rounded and rectangle, and sealing surface is coplanar with flange face, sealing surface
Roughness requirements Ra0.8, planarity requirements are less than 0.01mm in the length inner sealing surface difference in height of every 100mm.Therefore in processing method
The crudy of sealing surface at 24 need to simultaneously be ensured during blue face, and have the through holes of 24- φ 170,24-M56 × 2 spiral shell on the flange face
Hole, the pin-and-holes of 12- φ 15, the processing method for adding rubbing down using conventional turning, lathe tool is affected to strike by group hole in process
Knife situation is more serious, and cutter head easily weares and teares, and difficulty of processing is very big.Therefore the processing method is not optimum.
To ensure the machining accuracy of sealing surface, the process program for adding grinding using milling is drafted, the advantage of the program is
Energy cutting at one time covers the width of whole flange and sealing surface, can effectively ensure that the integral planar degree and precision of sealing surface,
Hole system number it is less for the impact of milling.It is stainless steel weld overlays that difficult point is the main material that need to process of flange face, and whole
The girth of individual flange face there are about 10 meters, need to be from wearability is good, high precision cutter blade, while using which kind of grinding after milling
Technique is a technical difficult point come the precision for guaranteeing sealing surface.
Utility model content
This utility model provides a kind of machine abrasive disk frock, it is ensured that the precision of sealing surface, structure letter are processed in grinding
Single, it is convenient to arrange.
For achieving the above object, this utility model provides a kind of machine abrasive disk frock, is characterized in, the frock includes machine
The main shaft interface of tool connecting machine tool main shaft, is mechanically connected the compressing structure of main shaft interface, is mechanically connected the abrasive disk of compressing structure;
Above-mentioned compressing structure includes telophragma, and telophragma middle part is provided with axial cavity, and cavity is along telophragma axial direction one end
Opening, is connected with spring housing at opening, the first spring is axially arranged with along telophragma in cavity, and the first spring is along middle dish axle
To offseting with spring housing, the first spring stretches to spring housing and applies pressure, and spring housing is connected with ball axle towards the end of abrasive disk;
The ball axocoel that shape size is adapted with ball axle is provided with the top of above-mentioned abrasive disk, ball axle is movably arranged on ball axocoel
In.
Above-mentioned cavity one end relative with spring housing is provided with is set to opening, is provided with spring adjusting nut at the opening, and first
Both ends of the spring axially offsets respectively along telophragma with spring housing and spring adjusting nut;Spring adjusting nut can be to spring housing one end
Precession is exited.
Above-mentioned telophragma is provided with circumferentially spaced spring eye, and the second bullet is axially arranged with along telophragma in spring eye
Spring, towards the one end open of abrasive disk, open at one end string is provided with apical axis to spring eye, and second spring offsets with apical axis, second spring
Stretch to apical axis and apply pressure.
Above-mentioned spring eye one end relative with apical axis is provided with is provided with opening, and spring bumper cover, the second bullet are fixed with the opening
Spring two ends offset respectively with apical axis and spring bumper cover.
Above-mentioned main shaft interface is fixedly connected by screw with compressing structure.
Above-mentioned main shaft interface is provided with axially through the through hole in main shaft interface, and place is provided with bearing pin in through hole, and bearing pin passes through
Screw is fixed on main shaft interface.
Ball shaft-cup is provided with the ball axocoel opening of above-mentioned abrasive disk, ball shaft-cup combines to form hemispheric accommodating with ball axocoel
Space, the shape size of the accommodation space is adapted with the spheric end of ball axle, and the spheric end of ball axle can turn in the accommodation space
It is dynamic.
Above-mentioned ball axocoel deviates the axis of abrasive disk and arranges.
The bottom surface of above-mentioned abrasive disk is abradant surface, the bottom surface of abrasive disk and is ground between workpiece and is provided with abrasive.
Above-mentioned abrasive disk is provided with the charging aperture for running through up and down.
This utility model machine abrasive disk frock is compared with the grinding tool of prior art, is had an advantage in that, this practicality is new
Type adds the structure of the movable apical axis in the cored structure and circumference of spring to set employing the design principle of flexible grinding, ball axle
Meter, the end face that can enable abrasive disk is adding man-hour perfectly to fit with surface of the work, and grinding is more uniformly distributed consistent;
This utility model simple structure, using modularity ABS handle of a knife Interface design, quickly can be connected with machine tool chief axis
It is fixed, it is simple to operate flexible without the need for remaining installation adnexa;
Abrasive disk of the present utility model can coordinate the emery cloth of different meshes, abrasive pastes to use, and realize thick, smooth grinding, grind
The quality of mill is preferable, and abrasive disk adopts eccentric structure, it is to avoid the generation of grinding blind area, can be good at controlling amount of grinding;
Lapping mode of the present utility model grinds for machine, and without the need for manual operation, working (machining) efficiency is very high, and the suitability is more wide
General, manufacturing cost is relatively low.
Description of the drawings
Fig. 1 is the sectional view of this utility model machine abrasive disk frock.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is further illustrated.
As shown in figure 1, being a kind of machine for high temperature nuclear reactor cap assembly control rod package mouth flange and its sealing surface with grinding
The embodiment of mill frock, the frock is divided into upper and lower two parts, and top is comprising the main shaft interface 1 being mechanically connected and compresses knot
Structure, bottom includes abrasive disk 12.
Main shaft interface 1 includes discoidal base and the connecting rod being vertically installed on base top surface axis, connecting rod
End be provided with 45 degree chamferings of annular, main shaft interface 1 is by connecting rod and machine tool chief axis mechanical connection.
Main shaft interface 1 is provided with axially through the through hole in the base of main shaft interface 1, and through hole is divided into two parts, respectively leans on
Nearly summit portion and close bottom surface portions, the internal diameter of the close summit portion of through hole is less than internal diameter of the through hole near bottom surface portions,
The interface perpendicular to through hole axial direction is being formed with the junction of close bottom surface portions near summit portion.
Place is provided with bearing pin 2 in through hole, and bearing pin 2 is set into through hole, the close bottom surface sections of through hole by through hole near summit portion string
The screw 5 of M8*20 is arranged with, bottom and the through hole of screw 5 offset near summit portion with the interface near bottom surface portions, make screw
5 are fixed on the interface, and the string of screw 5 is located in bearing pin 2 and is fixedly connected, and bearing pin 2 is fixed in the through hole of main shaft interface 1.
The base ring of main shaft interface 1 has some screwed holes around connecting rod is circumferentially distributed, and string is provided with M12*40's in screwed hole
Screw 3, between screw 3 and the base of main shaft interface 1 packing ring 4 is provided with.Main shaft interface 1 is fixedly connected by screw 3 with compressing structure.
Compressing structure includes telophragma 10, and the middle part of telophragma 10 is provided with axial cavity, cavity along telophragma 10 vertically
Both ends open, through the top surface of telophragma 10(It is the one side of connection main shaft interface 1 in the present embodiment)And bottom surface.
Telophragma 10 is provided with spring adjusting nut 6 in cavity at top surface, and in cavity at top surface spring housing is provided with
18。
Spring adjusting nut 6 is flexibly connected in cavity by screw thread, and at the inside edge of cavity at top surface limit is provided with
Position ring, spring housing 18 is arranged in cavity, by spacing ring limited spring set 18 in cavity.
Spring adjusting nut 6, spring housing 18 form a setting accommodation space with cavity combinations, and the first spring 7 is arranged at
In the accommodation space, along the axially arranged of telophragma 10, the two ends of the first spring 7 are respectively along middle for the telescopic direction of the first spring 7
Dish axle with spring housing 18 and spring adjusting nut 6 to offseting.Spring adjusting nut 6 to one end precession of spring housing 18 or can be exited,
Adjust the stroke range of the first spring 7.On the other hand, the stretching, extension of the first spring applies pressure to spring housing 18.
Spring housing 18 is connected with ball axle 16 towards the end of abrasive disk.Ball axle 16 is comprising connecting shaft and is mechanically connected connecting shaft
Spheric end, ball axle 16 is located in spring housing 18 by connecting shaft string, by the screw 13 and packing ring 14,15 and spring housing of M30*40
18 are fixedly connected.
Telophragma 10 is circumferentially also intervally distributed with some spring eyes through telophragma 10, and each spring eye is towards main shaft
One end of interface 1 is fixed with spring bumper cover 9, and spring eye is provided with apical axis 11 towards one end string of abrasive disk 12.Apical axis 11, spring cup
Plate 9 and spring eye combine to form accommodation space, and second spring 8 is axially arranged with along telophragma 10 in the accommodation space.Second spring 8
Two ends offset respectively with apical axis 11 and spring bumper cover 9, and the stretching, extension of second spring 8 applies pressure to apical axis 11.
The top of abrasive disk 12(Towards the side of telophragma 10)Ball axocoel is provided with, is consolidated at the ball axocoel opening of abrasive disk 12
Surely have ball shaft-cup 17, ball shaft-cup 17 combines to form hemispheric accommodation space with ball axocoel, the shape size of the accommodation space with
The shape size of the spheric end of ball axle 16 is adapted, and the spheric end of ball axle 16 can be rotated in the accommodation space, the company of ball axle 16
Spindle determines the slewing area of ball axle 16 with the opening of ball shaft-cup 17.
Further, ball axocoel deviates the axis setting of abrasive disk 12, employs the structure design of bias, it is to avoid grinding
The generation of blind area.
The bottom surface of abrasive disk is abradant surface, the bottom surface of abrasive disk and is ground between workpiece and is provided with abrasive, and abrasive is adopted
With the emery cloth of different meshes, thick, smooth grinding is realized.In addition, the charging aperture for running through up and down is also add on abrasive disk, by addition
Abrasive pastes lift the grade of surface roughness grinding.
This utility model be also disclosed a kind of high temperature nuclear reactor cap assembly control rod package mouth flange and its sealing surface processing plus
Work flow process, specifically includes:
Step 1, thick, half finish-milling flange sealing surface, surplus stays 0.1mm, roughness Ra 3.2.
Step 2, adopt milling cutter, layering fine milling flange sealing surface to size, per knife ap=0.02 ~ 0.1mm, roughness
Ra1.6。
Step 3, in flange large diameter hole system mounting tool boring cover, it is therefore an objective to prevent rear road from emery cloth is smashed when grinding,
By the way of machine grinds, thick, smooth grinding flange sealing surface to Sizing requirements Ra0.8, the method can finally improve surface
Roughness.
Although content of the present utility model has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as to restriction of the present utility model.After those skilled in the art have read the above, for
Various modifications and substitutions of the present utility model all will be apparent.Therefore, protection domain of the present utility model should be by appended
Claim limiting.
Claims (10)
1. a kind of machine abrasive disk frock, it is characterised in that the frock includes the main shaft interface for being mechanically connected machine tool chief axis, machinery
The compressing structure of connection main shaft interface, is mechanically connected the abrasive disk of compressing structure;
The compressing structure includes telophragma, and telophragma middle part is provided with axial cavity, cavity along telophragma axial direction one end open,
Spring housing is connected with opening, the first spring is axially arranged with along telophragma in cavity, the first spring along telophragma axially with
Spring housing offsets, and the first spring stretches to spring housing and applies pressure, and spring housing is connected with ball axle towards the end of abrasive disk;
The ball axocoel that shape size is adapted with ball axle is provided with the top of the abrasive disk, ball axle is movably arranged in ball axocoel.
2. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the cavity it is relative with spring housing is provided with one
End is set to opening, and spring adjusting nut is provided with the opening, and the first both ends of the spring is respectively along telophragma axial direction and spring housing and bullet
Spring adjusting nut offsets;Spring adjusting nut to the precession of spring housing one end or can be exited.
3. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the telophragma is provided with circumferentially spaced
Spring eye, be axially arranged with second spring along telophragma in spring eye, spring eye towards abrasive disk one end open, open at one end
String is provided with apical axis, and second spring offsets with apical axis, and second spring stretches to apical axis and applies pressure.
4. machine as claimed in claim 3 abrasive disk frock, it is characterised in that the spring eye it is relative with apical axis is provided with one
End is provided with opening, and spring bumper cover is fixed with the opening, and second spring two ends offset respectively with apical axis and spring bumper cover.
5. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the main shaft interface by screw with compress knot
Structure is fixedly connected.
6. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the main shaft interface be provided with axially through
The through hole of main shaft interface, place is provided with bearing pin in through hole, and bearing pin is fixed on main shaft interface by screw.
7. machine as claimed in claim 1 abrasive disk frock, it is characterised in that be provided with the ball axocoel opening of the abrasive disk
Ball shaft-cup, ball shaft-cup combines to form hemispheric accommodation space with ball axocoel, the shape size of the accommodation space and the ball of ball axle
Shape end is adapted, and the spheric end of ball axle can be rotated in the accommodation space.
8. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the ball axocoel deviates the axis of abrasive disk
Arrange.
9. machine as claimed in claim 1 abrasive disk frock, it is characterised in that the bottom surface of the abrasive disk is abradant surface, is ground
The bottom surface of mill and it is ground between workpiece and is provided with abrasive.
10. the abrasive disk frock of the machine as described in claim 1 or 9, it is characterised in that the abrasive disk is provided with and runs through up and down
Charging aperture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621064793.4U CN206105605U (en) | 2016-09-20 | 2016-09-20 | Machine abrasive disc frock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621064793.4U CN206105605U (en) | 2016-09-20 | 2016-09-20 | Machine abrasive disc frock |
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Publication Number | Publication Date |
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CN206105605U true CN206105605U (en) | 2017-04-19 |
Family
ID=58520126
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CN201621064793.4U Active CN206105605U (en) | 2016-09-20 | 2016-09-20 | Machine abrasive disc frock |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106181750A (en) * | 2016-09-20 | 2016-12-07 | 上海电气核电设备有限公司 | Machine abrasive disk frock |
CN107443187A (en) * | 2017-09-12 | 2017-12-08 | 苏州市吴通电子有限公司 | A kind of prepressing type pcb board nog plate mechanism |
CN107471009A (en) * | 2017-09-12 | 2017-12-15 | 苏州市吴通电子有限公司 | A kind of Vertical traverse pcb board nog plate mechanism |
CN108515396A (en) * | 2018-04-11 | 2018-09-11 | 重庆市耀植机械有限责任公司 | Part processing grinding machine |
CN111113217A (en) * | 2020-02-19 | 2020-05-08 | 深圳市迅成科技有限公司 | Polishing system convenient and fast to use and good in laminating effect of polishing disc |
-
2016
- 2016-09-20 CN CN201621064793.4U patent/CN206105605U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106181750A (en) * | 2016-09-20 | 2016-12-07 | 上海电气核电设备有限公司 | Machine abrasive disk frock |
CN107443187A (en) * | 2017-09-12 | 2017-12-08 | 苏州市吴通电子有限公司 | A kind of prepressing type pcb board nog plate mechanism |
CN107471009A (en) * | 2017-09-12 | 2017-12-15 | 苏州市吴通电子有限公司 | A kind of Vertical traverse pcb board nog plate mechanism |
CN108515396A (en) * | 2018-04-11 | 2018-09-11 | 重庆市耀植机械有限责任公司 | Part processing grinding machine |
CN111113217A (en) * | 2020-02-19 | 2020-05-08 | 深圳市迅成科技有限公司 | Polishing system convenient and fast to use and good in laminating effect of polishing disc |
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