CN206065806U - A kind of endoporus Impulse Rolling instrument - Google Patents
A kind of endoporus Impulse Rolling instrument Download PDFInfo
- Publication number
- CN206065806U CN206065806U CN201621117075.9U CN201621117075U CN206065806U CN 206065806 U CN206065806 U CN 206065806U CN 201621117075 U CN201621117075 U CN 201621117075U CN 206065806 U CN206065806 U CN 206065806U
- Authority
- CN
- China
- Prior art keywords
- keeper
- roller
- shaft core
- rolling
- endoporus
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drilling Tools (AREA)
Abstract
This utility model provides a kind of endoporus Impulse Rolling instrument, it is enclosed within shaft core including shaft core, at least one and the keeper for relatively rotating and the protecgulum and bonnet that are located at the shaft core two ends with shaft core, wherein shaft core surface is incomplete circumferential surface and forms discontinuous space with keeper inner surface；Actively it is embedded with each keeper and amount of space identical roller, each roller can be moved up in its side vertical with place keeper surface, so that its contact point with inner hole wall can be higher than or the outer surface of not higher than keeper realizes discontinuous rolling friction；Sleeve is provided between adjacent keeper.Using the technical solution of the utility model, the Technology for Heating Processing for carrying out heat release annealing can also constantly be circulated carrying out rolling while the continuous impulse for suspending rolling is rolled to improve roughness to inner hole wall, so as to form uniform and stable wear-resisting chilling layer, bright and clean chilling layer, reduce production process, efficiency and product quality are improved, cost has been saved.
Description
Technical field
This utility model is related to finishing of internal diameter machining tools art, and in particular to it is a kind of using pulse skip rolling, one
The finishing of internal diameter instrument of secondary molding.
Background technology
Internal rolling processing is by high rigidity and smooth roller and metal surface rolling contact so as to surface layer generation office
One kind for the plastic processing method for obtaining improving surface roughness after the micro plastic deformation in portion, at the same time it can also change part
The metallographic structure of surface layer, is formed with beneficial to residual stress distribution, improves metal surface hardness, so as to improve the mechanicalness of part
Energy and service life.This processing method can reach two kinds of purposes of skin processing and reinforcing simultaneously, and grinding cannot be accomplished.
The rolling tools for being used for rolling non-taper hole in the market are universal as disclosed in Chinese invention patent CN1935445A
The special stitching of internal rolling structure：Shaft core is provided with protecgulum and bonnet, and retainer is provided between protecgulum and bonnet, protects
Hold frame and be provided with some needle rollers；Wherein sleeve is provided between bonnet and keeper, for adjusting the axle between rolling depressor each group part
To gap；Packing ring is provided between sleeve and keeper, and keeper end is clasped by ring cover makes which be connected as a single entity.By needle roller with
The lifting of precision is realized in the rolling friction of inner hole wall.
However, slightly rolled using this rolling tools, essence rolling endoporus after, in addition it is also necessary to extra annealing or quenching and grind
Mill or polishing can just make the inwall in hole reach required fineness, precision and hardness requirement, so that it is guaranteed that part is resistance to
Mill property.Not only complex steps are complicated for such fine-processing technique, and equipment cost is high, need to spend longer time production efficiency
It is low, and the Product Precision concordance after completing to process there may be difference or precision is poor.And in roughing laggard one
Step carries out the rolling tools that finishing man-hour requirement substitutes different accuracy, operates relatively complicated.
Utility model content
The purpose of this utility model is to overcome shortcoming present in prior art, there is provided a kind of to reduce internal rolling processing
Technique, can also meet the rolling tools of the fineness, precision and hardness requirement needed for part hole wall while one-shot forming.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of endoporus Impulse Rolling instrument, including shaft core, at least one guarantor for being enclosed within shaft core and relatively rotating with shaft core
Holder and be located at the protecgulum and bonnet at the shaft core two ends, wherein shaft core surface be incomplete circumferential surface and with keeper in
Surface forms discontinuous space；Actively it is embedded with each keeper and discontinuous amount of space identical roller, each rolling
Post can be moved up in its side vertical with place keeper surface, so which with the contact point of inner hole wall can be higher than
Or the outer surface of not higher than keeper realizes discontinuous rolling friction；Sleeve is provided between adjacent keeper.
Using the rolling tools of said structure, keeper can drive after rotating and be embedded in roller therein and keep together rotating,
But while roller can also keep independent rotation in being actively embedded in keeper.As shaft core is not rounded perimeter surface, shaft core fixes
It is motionless, therefore discontinuous, interruption space can be formed with the keeper being enclosed within outside which.When roller as keeper is turned to
When above non-space, the contact point of roller and inner hole wall is carried out to inner hole wall so as to rotate at a high speed higher than the outer surface of keeper
Rolling and processing simultaneously produces huge frictional force, and moment distributes the frictional heat of high-energy；But subsequent time roller is i.e. with holding
Device turns to the top in space, due to having space below now roller, under pressure effect of the inner hole wall to roller roller with
The contact point of inner hole wall can move to and flush with the outer surface of keeper or less than the position of keeper outer surface, now roll
Post suspends the rolling to inner hole wall, and the inner hole wall moment after being heated can cool down generation annealing in the presence of air so that endoporus
The material of wall produces wear-resisting chilling layer, improves the mechanical performance of part.The discontinuous rolling process of rolling-non-rolling is formed continuously
Pulse, the also constantly circulation so that hole inwall is heated-cools down, so that inner hole wall is constantly polished process, constantly forms resistance to
Mill chilling layer, finally obtains best bright finish, high rigidity, high accuracy, high-wearing feature and stay-in-grade inner bore of part.
Also, this technical scheme for synchronously carrying out heat treatment while polish is rolled to endoporus, eliminates existing
Carry out process of thermal treatment step in technology after rolling and processing again, substantially increase working (machining) efficiency.Even, it is high-precision to process also
Without the need for extra further polishing grinding, production cost has been saved to a great extent.
Further, roller is corresponded with fore-set Xiao being embedded in its place keeper and in same axis；Each
The end face of roller rear end face contact correspondence fore-set Xiao.
When rolling tools advance endoporus, roller can be subject to a frictional force contrary with direction of propulsion, so that roller
The end face of fore-set Xiao to contacting produces extrusion stress.In keeper increase fore-set Xiao can not only make roller stable rotation and
Speed when each roller independently rotates is identical, it is ensured that indicator consilience everywhere after processing；Simultaneously because the sectional area of fore-set Xiao
It is less, frictional force reducing energy consumption can be reduced.
Further, space number is uniformly distributed for the roller on odd number, and each keeper；Each discontinuous space
It is uniformly distributed.Once space and the roller number on each keeper are even number, roller will be formed in diametric(al) symmetrically,
It is very easy to cause stuck in rotary course, so as to cause the damage of rolling tools.Meanwhile, equally distributed general layout ensure that
Uniform pulse in rolling process so that the time rubbed with cool down everywhere by inner hole wall is identical, so that inner hole wall after processing
Each performance is uniform, with good mechanical performance and service life.
Further, cross-pin type joint is set on protecgulum, the cross-pin type joint is provided with the clamping device for lathe.By adjusting
Cross-pin type joint, can adjust the direction of rolling tools so as to accurately can push just to endoporus and by lathe.
As a kind of improvement of the present utility model, two keepers are abreast cased with shaft core, on two keepers each
The different roller of diameter is installed to realize the rolling and processing of different accuracy.Rolling tools of the present utility model are used, you can real
Existing roughing and polish, convenient and swift, one-shot forming, need not substitute different rolling tools.
In sum, this utility model has the advantage that：Formed by keeper inner surface and shaft core outer surface
Even, discontinuous space structure so that roller formed in rolling and processing the continuously and uniformly pulse of rolling-non-rolling or
The pulse of friction-cooling annealing, while rolling improves inner hole wall roughness, the synchronous heat treatment that carries out to which forms uniform resistance to
Mill chilling layer, one-shot forming precision are good, need not carry out extra Technology for Heating Processing and glossing, not only increase production efficiency
And reduce process costs；The fineness of the inner hole wall after processing, hardness, intensity, precision, wearability are significantly increased, and respectively
Place's performance uniformity, is significantly increased the mechanical performance and service life of part；Also, compared with prior art, this reality
Instrument can also be substituted with Novel rolling processing and be capable of achieving roughing and polish, structure design advantages of simple.
Description of the drawings
Fig. 1 is the structural representation of the first embodiment of this utility model.
Structural representations of the Fig. 2 for second embodiment of this utility model.
Fig. 3 is the cross-sectional view of keeper position in this utility model.
Partial enlarged drawings of the Fig. 4 for this utility model roller rear end face.
Partial enlarged drawings of the Fig. 5 for utility model sleeve.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
The first embodiment of this utility model Impulse Rolling instrument as shown in figures 1 and 3, including shaft core 1, is enclosed within axle
The keeper 2 that relatively rotates on core 1 and with shaft core 1 and the protecgulum 10 and bonnet 11 at 1 two ends of shaft core are located at, wherein protecgulum 10
With keeper front end face 22 with 100 ~ 240 microns of axial gap, bonnet 11 is then close to keeper rear end face 21.
It is evenly distributed on keeper 2 and is actively embedded with and 5 rollers of the same size 3, roller 3 can be with respect to keeper
2 independent rotations at different rates, so as to polish to inner hole wall high speed rolling；The outer surface of shaft core 1 is incomplete circumference table
Face is simultaneously uniformly distributed and discontinuous space 6 with the formation of 2 inner surface of keeper, and the number in space 6 is identical with roller 3, is also 5
It is individual；Particularly, the size in each space 6 can ensure that each roller can be in its direction vertical with 2 surface of place keeper
The center of circle distance of upper movement, the i.e. center of circle of roller 3 to shaft core 1 can change, so that the contact point of roller 3 and inner hole wall
Can be higher than or the outer surface of not higher than keeper 2 realizes discontinuous rolling friction.Particularly, the rolling on space 6 and keeper 2
3 number of post be odd number, it is ensured that asymmetry of the roller 3 in diametric(al) so as to can adjust automatically distance so as to not
Easily cause stuck during revolving-rolling, and the technological requirement for manufacturing can be reduced.Particularly, it is uniformly distributed on keeper 2
Roller 3 identical with 6 number of space with equally distributed space 6 and roller 3 ensure that inner hole wall is everywhere in process
The rolling time is identical with the intermittent time, so as to the inner hole wall quality and performance after rolling is uniform and stable consistent, so as to significantly improve
Part machinery performance.
100 ~ 240 microns of axial groove gap 5, roller front end face 32 are provided between each roller rear end face 31 and keeper 2
Then it is close to keeper 2, so as to ensure that rolling tools remain to keep turning after snugly automatically adjusting into roller after endoporus 3
It is dynamic, and 3 axial float of roller is not resulted in, make the workpiece for rolling out use requirement not reached in wave lines cause waste product.
It is additionally provided with 5 fore-set Xiao 4 inside 2 rear end of keeper, each fore-set Xiao 4 is embedded in keeper 2 in friction tight mode and wherein
One end face is contacted with corresponding roller rear end face 31.When roller 3 is independent to be rotated, fore-set Xiao 4 is with corresponding roller 3 in same
On axis such that it is able to make that each roller on keeper 2 keeps rotating and rotary speed is identical, it is ensured that inner hole wall smooth
Cause.Also, the end face of fore-set Xiao 4 is taper type, so as to reduce its contact area with roller rear end face 31, be conducive to reducing
Mutual frictional force, reduce loss and energy consumption.
A cross-pin type joint 13 with clamping device 14 is also associated with bonnet 11, for adjusting the side of rolling tools
To.
The course of work of the present utility model：
Before processing endoporus, the rolling tools in the present embodiment are fixed on into lathe by clamping device first, are adjusted universal
Section header 13 is pushed rolling tools in endoporus after making the center of circle of the center of circle alignment bore of rolling tools again, balance of 50 ~ 60 microns.
After keeper 2 is rotated around shaft core 1 at a high speed, the roller 3 being embedded in thereon can be driven to move in the same direction.Now roller 3 is in non-space
Top is that roller 3 protrudes from the outer surface of keeper 2 so as to occur to rub with inner hole wall, therefore roller 3 is protected with different rotating speeds
Independent rotation is held, so as to make its surface layer that the micro plastic deformation in local occur to improve surface roughness inner hole wall rolling；
Simultaneously violent friction makes inner hole wall produce substantial amounts of heat.
Next moment, each roller are moved to above the space 6 that keeper 2 is formed with shaft core 1 with keeper 2, this
When obtain the roller 3 in space 6 comparatively freely, in the presence of inner hole wall pressure, roller 3 can be on itself and 1 surface of shaft core
The outer surface for causing roller 3 and the contact point not higher than keeper 2 of inner hole wall is moved in vertical direction, i.e., now roller 3 cannot
Inner hole wall is rolled.It means that no heat is produced in this moment endoporus, and it is of short duration in the presence of air dielectric
Cooling annealing, so as to improve the heat resistance and hardness of inner hole wall.
Rolling-the stopping for repeating, the heat release that rubs-cooling annealing, form continuously pulse in making rolling process,
While improving precision, the fineness of inner hole wall, Technology for Heating Processing is also carried out to inner hole wall, one-shot forming obtains inner hole wall
Obtain uniformly wear-resisting chilling layer.Inner hole wall after rolling and processing can reach fineness >=0.4, the requirement of precision >=H6.
Fig. 2 shows second embodiment of the present utility model.Second embodiment of the present utility model and first
Plant differring primarily in that for embodiment：Two keepers, respectively first keeper 7 and second are cased with shaft core 1 abreast
Keeper 8.Wherein, on the second keeper, the diameter of 8 roller 81 is slightly above the diameter of 7 roller 71 on the first keeper, from
And meet the processing of different accuracy.A sleeve 9 is provided between two keepers, the sleeve 9 and the first keeper 7 and second
100 ~ 240 microns of axial gap is equipped between keeper 8, to adjust the axial distance between two keepers, first is made
8 normal rotation of keeper 7 and the second keeper.5 top rollers 12 are provided with sleeve 9, the both ends of the surface difference of each top roller 12
The front end face 82 of fore-set Xiao 4, the second keeper in accordingly with the first keeper is contacted, so as to reduce and the first keeper 7
Or with the frictional force between the second keeper 8.
The present embodiment can realize the roughing to endoporus and polish, or the different inner hole precisions for meeting different parts
Demand.Operating aspect, practicality and popularity are good.
It should be pointed out that embodiment of the present utility model is described above.However, the technical staff of art technology should manage
Solution, this utility model are not restricted to the described embodiments, and described in above-described embodiment is to illustrate principle of the present utility model,
On the premise of without departing from this utility model scope, this utility model also has various changes and improvements, and these changes and improvements are all
Fall in the range of claimed this utility model.
Claims (8)
1. a kind of endoporus Impulse Rolling instrument, including shaft core, at least one holding for being enclosed within shaft core and relatively rotating with shaft core
Device and it is located at the protecgulum and bonnet at the shaft core two ends, it is characterised in that：
The shaft core surface is incomplete circumferential surface and forms discontinuous space with the keeper inner surface；
Actively be embedded with each described keeper and the amount of space identical roller, each described roller can its with
The vertical side in place keeper surface moves up, so which with the contact point of inner hole wall can be higher than or not higher than holding
The outer surface of device realizes discontinuous rolling friction；
Sleeve is provided between adjacent keeper.
2. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that the roller is protected with being embedded in which and being located
Fore-set Xiao in holder corresponds and is in same axis；The end of rear end face contact correspondence fore-set Xiao of each roller
Face.
3. a kind of endoporus Impulse Rolling instrument as claimed in claim 1 or 2, it is characterised in that the keeper and the roller
Rear end face there is groove gap.
4. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that the space number is odd number.
5. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that the roller on each described keeper
It is uniformly distributed；Each discontinuous space uniform distribution.
6. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that cross-pin type joint is set on the protecgulum,
The cross-pin type joint is provided with the clamping device for lathe.
7. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that two are abreast cased with the shaft core
Individual keeper, on two keepers, the different roller of each self installation diameter is realizing the rolling and processing of different accuracy.
8. a kind of endoporus Impulse Rolling instrument as claimed in claim 1, it is characterised in that top roller is provided with the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117075.9U CN206065806U (en) | 2016-10-13 | 2016-10-13 | A kind of endoporus Impulse Rolling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117075.9U CN206065806U (en) | 2016-10-13 | 2016-10-13 | A kind of endoporus Impulse Rolling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065806U true CN206065806U (en) | 2017-04-05 |
Family
ID=58440992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117075.9U Expired - Fee Related CN206065806U (en) | 2016-10-13 | 2016-10-13 | A kind of endoporus Impulse Rolling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206065806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239033A (en) * | 2016-10-13 | 2016-12-21 | 衢州福创工业设计有限公司 | A kind of endoporus Impulse Rolling instrument |
-
2016
- 2016-10-13 CN CN201621117075.9U patent/CN206065806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239033A (en) * | 2016-10-13 | 2016-12-21 | 衢州福创工业设计有限公司 | A kind of endoporus Impulse Rolling instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105798711B (en) | A kind of bearing outer ring mill processing unit (plant) and technique | |
| CN110039268B (en) | Processing method of cold-extruded high-wear-resistance bearing outer ring | |
| US20230182255A1 (en) | Grinding tool kit, apparatus and method for finish machining of rolling surface of bearing roller | |
| CN206065806U (en) | A kind of endoporus Impulse Rolling instrument | |
| CN105500091A (en) | Feeding device of rotary rolling table and application of feeding device | |
| CN106239033A (en) | A kind of endoporus Impulse Rolling instrument | |
| CN203592386U (en) | Grinding mechanism capable of improving grinding efficiency | |
| CN107717743A (en) | Multithreading abrasive grinding wheel mechanism | |
| WO2020024878A1 (en) | Grinding disk kit, apparatus and method for finishing rolling surfaces of bearing roller | |
| CN204935343U (en) | Roller sphere mill overcharge is put | |
| CN205309690U (en) | Knurling machine | |
| CN201659430U (en) | Oilstone super-finishing fixture of bearing inner race | |
| CN100429413C (en) | Self-regulating straight line bearing and machining method thereof | |
| CN103600285B (en) | Upper dish eccentric compression type cylindrical component top circle processing device | |
| CN110877236A (en) | Thrust bearing ring channel lapping processing method | |
| CN206622496U (en) | A kind of thin-wall copper pipe process equipment | |
| CN204546244U (en) | Super lapping machine adapter | |
| CN106607746A (en) | Spherical roller ultraprecision machining method | |
| CN106891130A (en) | A kind of milled head and rolling depression method for endoporus | |
| CN203751855U (en) | Roller repairing machine | |
| CN208246570U (en) | A kind of pressure adjustable is fully cooled ceramic material batch grinding head | |
| CN210360833U (en) | Main shaft channel grinding device in shaft-connected bearing | |
| CN102744341B (en) | Method for designing feeding speed of cold rolling for profiled ring piece | |
| WO2020024879A1 (en) | Grinding disk kit for use in convex roller rolling surface finishing, apparatus, and method | |
| CN108500787B (en) | high-precision automobile hub bearing grinding outer diameter machining method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20181013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |