CN107186432B - Milled head and rolling tools - Google Patents
Milled head and rolling tools Download PDFInfo
- Publication number
- CN107186432B CN107186432B CN201710621350.3A CN201710621350A CN107186432B CN 107186432 B CN107186432 B CN 107186432B CN 201710621350 A CN201710621350 A CN 201710621350A CN 107186432 B CN107186432 B CN 107186432B
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- China
- Prior art keywords
- idler wheel
- hole
- rolling
- installation part
- seal groove
- 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.)
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- 238000005096 rolling process Methods 0.000 title claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 42
- 230000036316 preload Effects 0.000 claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mechanical Sealing (AREA)
Abstract
The present invention provides a kind of milled head and rolling tools, belong to technical field of mechanical processing.Milled head includes installation part and idler wheel, and idler wheel can be rotated around rotational axis line and slidably be connected to installation part along rotational axis line.The milled head can pass through the rotatable characteristic of idler wheel, when rolling seal groove, it can roll the bottom of seal groove, utilize the slidable characteristic of idler wheel, when rolling seal groove, there is small shifting amount in the axial direction, the side of seal groove can be ground, rolling operation is carried out to seal groove by milled head, the surface roughness of seal groove can be made to reach very high requirement.Rolling tools include milled head, the repertoire with the milled head.
Description
Technical field
The present invention relates to technical fields of mechanical processing, in particular to a kind of milled head and rolling tools.
Background technique
The processing of liquid braking device seal groove belongs to an important technology of field of machining, to install various sealing rings
Equal sealing elements, need to process the very high narrow annular groove of some roughness requirements in the caliper inner hole of various brakes.Separately
The material of the caliper part of external contractring brake is more miscellaneous, is reached not by ordinary carbon steel, steel alloy, cast iron etc. by various heat treatments
Same hardness, the difficult processing of many seal grooves using universal cutter to be realized.It in the past can only be using boring cutter, milling cutter, lathe tool etc.
Design requirement is not achieved in tool sharpening, the sealing ring roughness processed in this way, is easy to scratch sealing ring, influences sealing effect
With the service life of sealing ring.The processing and manufacturing of inner hole seal groove has become a technological difficulties of liquid braking device industry.
In view of this, how to solve the processing and manufacturing of liquid braking device inner hole seal groove, make the surface roughness of seal groove
Reach the project that very high requirement is row those skilled in the art's urgent need to resolve.
Summary of the invention
The object of the present invention is to provide a kind of milled head, improve the deficiencies in the prior art, it can by idler wheel
The characteristic of rotation can roll the bottom of seal groove when rolling seal groove, using the slidable characteristic of idler wheel,
When rolling seal groove, there is small shifting amount in the axial direction, the side of seal groove can be ground, passes through rolling
Pressure head carries out rolling operation to seal groove, and the surface roughness of seal groove can be made to reach very high requirement.
Another object of the present invention is to provide a kind of rolling tools comprising milled head mentioned above has
The repertoire of the milled head.
The embodiment of the present invention is achieved in that
The embodiment provides a kind of milled heads comprising installation part and idler wheel, idler wheel can around rotational axis line
It rotates and is slidably connected to installation part along rotational axis line.
Specifically, the milled head can be by the rotatable characteristic of idler wheel, it, can be by seal groove when rolling seal groove
Bottom rolled, there is small play in the axial direction when rolling seal groove using the slidable characteristic of idler wheel
Amount, the side of seal groove can be ground, and carried out rolling operation to seal groove by milled head, can be made seal groove
Surface roughness reaches very high requirement.
Optionally, idler wheel has idler wheel hole, and installation part is provided with the pin shaft for wearing idler wheel hole, and milled head further includes axis
Set, axle sleeve be fixedly installed in idler wheel the hole in and the both ends of axle sleeve relative to idler wheel protrusion, axle sleeve be rotatably sheathed on pin shaft and
It can be relative to pin shaft play.
Optionally, axle sleeve selects copper sheathing.
Optionally, the edge of idler wheel is provided with rounded corner.
The embodiments of the present invention also provide a kind of rolling tools comprising guiding element and milled head mentioned above, installation
Part is slidably connected to guiding element.
Optionally, guiding element has accommodating chamber, and a part of installation part is slidably arranged in accommodating chamber, and installation part has
First station and second station, rolling device further include replying part, reply part be located in accommodating chamber and with make installation part by the
The trend that two stations are moved to the first station.
Optionally, rolling tools further include the first preload piece, and one end of the separate idler wheel of guiding element is provided with to be connected with accommodating chamber
Logical adjustment hole, the first preload piece are movably arranged in adjustment hole and for adjusting the pretightning force for replying part.
Optionally, rolling tools further include the second preload piece, and the second preload piece is slidably arranged in accommodating chamber, and second
One end of preload piece abuts or is connected to reply part, and the other end of the second preload piece is connected to the first preload piece.
Optionally, adjustment hole has internal screw thread, and the first preload piece has external screw thread, and the first preload piece is matched with guiding element screw thread
It closes.
Optionally, rolling tools further include spacer pin, and the side wall of guiding element offers the first hole, and installation part offers second
Hole, spacer pin are arranged in the first hole and the second hole respectively, and spacer pin can slide in the first hole and make installation part relative to leading
Part sliding.
Compared with prior art, the beneficial effect of the embodiment of the present invention is:
In conclusion the milled head, when rolling seal groove, can will be sealed by the rotatable characteristic of idler wheel
The bottom of slot is rolled, and has small play in the axial direction when rolling seal groove using the slidable characteristic of idler wheel
Amount, the side of seal groove can be ground, and carried out rolling operation to seal groove by milled head, can be made seal groove
Surface roughness reaches very high requirement.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the schematic diagram under the first visual angle for the milled head that the embodiment of the present invention 1 provides；
Fig. 2 is the schematic diagram under second of visual angle of milled head shown in FIG. 1；
Fig. 3 is the schematic diagram under the third visual angle of milled head shown in FIG. 1；
Fig. 4 is the schematic diagram under the first visual angle for the rolling tools that the embodiment of the present invention 2 provides；
Fig. 5 is the schematic diagram under second of visual angle of rolling tools shown in Fig. 4；
Fig. 6 is that rolling tools shown in Fig. 4 are equipped with the schematic diagram under the first visual angle of Knife handle structure；
Fig. 7 is that rolling tools shown in Fig. 4 are equipped with the schematic diagram under second of visual angle of Knife handle structure.
Icon: 100- rolling tools；10- milled head；11- installation part；The second hole 101-；110- pin shaft；12- idler wheel；
120- idler wheel hole；13- axle sleeve；20- guiding element；201- accommodating chamber；202- adjustment hole；The first hole 203-；21- replys part；22- first
Preload piece；The second preload piece of 23-；30- spacer pin；40- knife handle.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the instructions such as term " center ", "upper", "lower", "inner", "outside"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
Fig. 1, Fig. 2 and Fig. 3 are please referred to, a kind of milled head 10 is present embodiments provided comprising installation part 11 and idler wheel 12,
Idler wheel 12 can be rotated around rotational axis line and slidably be connected to installation part 11 along rotational axis line.
Specifically, the milled head 10 can be by the rotatable characteristic of idler wheel 12, when rolling seal groove, it can will be close
The bottom of sealing groove is rolled, and is had in the axial direction small using the slidable characteristic of idler wheel 12 when rolling seal groove
The side of seal groove can be ground by shifting amount, carried out rolling operation to seal groove by milled head 10, can be made close
The surface roughness of sealing groove reaches very high requirement.
In specific implementation, according to the groove depth of different sealing slot, groove width, suitable idler wheel 12, radius, width be can choose
Degree can satisfy rolling demand.
To guarantee the service life of idler wheel 12 and the processing quality of seal groove, idler wheel 12 can select high-quality bearing steel, surface
Hardness is between HRC62-65.
Optionally, idler wheel 12 has idler wheel hole 120, and installation part 11 is provided with the pin shaft 110 for wearing idler wheel hole 120,
Milled head 10 further includes axle sleeve 13, and axle sleeve 13 is fixedly installed in idler wheel hole 120 and the both ends of axle sleeve 13 are convex relative to idler wheel 12
Out, axle sleeve 13 is rotatably sheathed on pin shaft 110 and can be relative to 110 play of pin shaft.
Axle sleeve 13 and idler wheel 12 can use transition fit, and axle sleeve 13 and pin shaft 110 are gap-matched, and when assembly, give
Each moving part grease up, nimbly and freely so as to the rotation of idler wheel 12.
When idler wheel 12 rotates, which is fixedly installed relative to idler wheel 12, the part of the opposite protrusion in the both ends of axle sleeve 13
Equal length is allowed to identical with respect to the range of play in the axial direction.By the installation of axle sleeve 13, can be avoided in the same of play
When, installation part 11 is caused to wear, and the service life of pin shaft 110 and idler wheel 12 can also be extended.
It can be set through-hole or groove in the end of installation part 11, axle sleeve 13 first can be bumped into idler wheel hole 120 by when assembly
Interior, the idler wheel 12 for being bumped into axle sleeve 13 using pin shaft 110 is installed on installation part 11, to guarantee the rotation of idler wheel 12 nimbly and freely.
When rolling, the width of the idler wheel 12 of selection need it is more slightly narrower than seal groove, while 12 front end of idler wheel stretch out
Part, length are greater than the depth of seal groove.
Optionally, axle sleeve 13 selects copper sheathing.It is preferably tin bronze.
Optionally, the edge of idler wheel 12 is provided with rounded corner.
It can be handled by the way of grinding at the outer circle and fillet of idler wheel 12, reach its surface roughness
Ra0.2。
Correspondingly, the radius value of the fillet of selection should be equal to or be substantially equal to sealing trench bottom when selecting idler wheel 12
The radius value of fillet makes it easier to be adapted to, and completes rolling step.
A kind of milled head 10 provided according to embodiments of the present invention, the working principle of milled head 10 is:
Idler wheel 12 is rotated relative to installation part 11, and when implementation, idler wheel 12 is protruded into the workpiece of rotation by fixed installation part 11
In seal groove, workpiece rotation drives idler wheel 12 to rotate, and idler wheel 12 carries out rolling processing to the bottom of seal groove, to improve its bottom
Roughness.
Idler wheel 12 is slided relative to installation part 11, that is, can be in the axial direction with respect to play, and idler wheel 12 is to seal groove
While bottom is rolled, two sides can just be expressed to the two sides of seal groove, which is similar to grinder wheel
The slot side of seal groove is carried out grinding processing, to improve the roughness of its side by swing grinding.
The bottom of seal groove and side can be rolled, are ground by the milled head 10, it is coarse to substantially increase its
Degree, reduces its roughness value, keeps its surface more smooth.
Embodiment 2
Fig. 4 and Fig. 5 are please referred to, the present embodiment also provides a kind of rolling tools 100 comprising guiding element 20 and mentioned above
Milled head 10, installation part 11 is slidably connected to guiding element 20.
The structure of milled head 10 can be with reference implementation example 1, which has the institute of milled head 10 functional.
The guiding element 20 may be mounted on the knife rest of lathe, and the main shaft rotation of lathe drives workpiece rotation to be rolled, correspondingly,
Idler wheel 12 is protruded into seal groove, its suitable distance is adjusted, makes workpiece that idler wheel 12 be driven to rotate, is realized to rolling.
Optionally, guiding element 20 has accommodating chamber 201, and a part of installation part 11 is slidably arranged in accommodating chamber 201,
Installation part 11 has the first station and second station, and rolling device further includes replying part 21, replys part 21 and is located in accommodating chamber 201
And there is the trend for moving installation part 11 from second station to the first station.
The reply part 21 can be spring, disc spring or other elastic mechanisms.
During adjusting idler wheel 12 arrives seal groove slot bottom, it is needed to have certain pressure, ability to seal groove slot bottom
It realizes the rolling to slot bottom, some rough portion extrusions of slot bottom is put down, by replying the setting of part 21, rolling process
Defective work piece is avoided under the action of guaranteeing preferably rolling with certain buffering capacity, additionally it is possible to which playing extension idler wheel 12 makes
The effect of with the service life.
Optionally, rolling tools 100 further include the first preload piece 22, one end of the separate idler wheel 12 of guiding element 20 be provided with
The adjustment hole 202 that accommodating chamber 201 is connected to, the first preload piece 22 are movably arranged in adjustment hole 202 and reply part for adjusting
21 pretightning force.
By operating the first preload piece 22, the pretightning force for replying part 21 is increased or reduced, installation part can be effectively adjusted
11 relative position in guiding element 20 when idler wheel 12 being needed to be pressed against seal groove, can increase the pretightning force for replying part 21, phase
It answers, when needing the opposite pressure of idler wheel 12 loose, can reduce the pretightning force for replying part 21.
Optionally, rolling tools 100 further include the second preload piece 23, and the second preload piece 23 is slidably arranged on accommodating chamber
In 201, one end of the second preload piece 23, which abuts or is connected to, replys part 21, and it is pre- that the other end of the second preload piece 23 is connected to first
Tight part 22.
It is not that part 21 is replied in direct contact when the first preload piece 22 is adjusted by the way that the second preload piece 23 is arranged,
It is avoided to cause to wear.Correspondingly, the both ends for replying part 21 can be and connect with installation part 11, the second preload piece 23,
It can be abutting.
Optionally, adjustment hole 202 has internal screw thread, and the first preload piece 22 has external screw thread, the first preload piece 22 and guiding element
20 are threadedly engaged.
First preload piece 22 can be bolt, realize to adjust by the first preload piece 22 of twisting and reply 21 pretightning force of part
Effect.
Fig. 6 and Fig. 7 are please referred to, and combines Fig. 4, optionally, rolling tools 100 further include spacer pin 30, the side of guiding element 20
Wall offers the first hole 203, and installation part 11 offers the second hole 101, and spacer pin 30 is arranged in the first hole 203 and the second hole respectively
101, spacer pin 30 can slide in the first hole 203 and slide installation part 11 relative to guiding element 20.
What needs to be explained here is that second hole 101 can be through-hole, it may be blind hole, spacer pin 30 is mounted on
When in the second hole 101, interference fit can be, spacer pin 30 is located at the first hole 203 relative to the part that installation part 11 protrudes
Interior, the length in the first hole 203 determines the final stroke of installation part 11.
Optionally, rolling tools 100 further include knife handle 40, and knife handle 40 is fixedly connected or is integrally formed with guiding element 20.
It can be manufactured by welding.When installation, knife handle 40 is mounted on the knife rest of lathe, selects different knife handles 40
Form may be implemented it and handle different seal grooves, can be used on size lathe, centre numerically controlled lathe.
The distance at 12 front end of idler wheel to 40 center of knife handle is L1, and the length in the first hole 203 is L2, in the specific implementation, rolling
The diameter of wheel bore 120 is between 2L1 to 2 (L1+L2).
In traditional technology, Ra1.6 can only achieve by the roughness of the seal groove fabricated out, it is suitable by selecting
Idler wheel 12, adjusts itself and the suitable spacing of seal groove, and the roughness that can be sealed against slot is increased to Ra0.8 or more.
In conclusion the milled head 10 can be rotatable special by idler wheel 12 the present invention provides a kind of milled head 10
Property, when rolling seal groove, the bottom of seal groove can be rolled, using the slidable characteristic of idler wheel 12, rolled
When seal groove, there is small shifting amount in the axial direction, the side of seal groove can be ground, pass through milled head 10
Rolling operation is carried out to seal groove, the surface roughness of seal groove can be made to reach very high requirement.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of milled head, for rolling seal groove, which is characterized in that including installation part and idler wheel, the idler wheel is around rotation axis
Heart line can be rotated and slidably be connected to the installation part along the rotational axis line；
The idler wheel has idler wheel hole, and the installation part is provided with the pin shaft for wearing the idler wheel hole, and the milled head is also
Including axle sleeve, the axle sleeve is fixedly installed in the idler wheel hole and the both ends of the axle sleeve are protruded relative to the idler wheel, institute
It states axle sleeve and is rotatably sheathed on the pin shaft and can be relative to the pin shaft play.
2. milled head according to claim 1, which is characterized in that the axle sleeve selects copper sheathing.
3. milled head according to claim 1 or 2, which is characterized in that the edge of the idler wheel is provided with rounded corner.
4. a kind of rolling tools, which is characterized in that including guiding element and the described in any item milled heads of claim 1-3, the peace
Piece installing is slidably connected to the guiding element；
The guiding element has accommodating chamber, and a part of the installation part is slidably arranged in the accommodating chamber, the installation
Part has the first station and second station, and the rolling device further includes replying part, and the reply part is located in the accommodating chamber
And there is the trend for moving the installation part from the second station to first station.
5. rolling tools according to claim 4, which is characterized in that the rolling tools further include the first preload piece, institute
The one end far from the idler wheel for stating guiding element is provided with the adjustment hole being connected to the accommodating chamber, and first preload piece is removable
Be arranged in the adjustment hole and for adjust it is described reply part pretightning force.
6. rolling tools according to claim 5, which is characterized in that the rolling tools further include the second preload piece, institute
It states the second preload piece to be slidably arranged in the accommodating chamber, one end of second preload piece abuts or be connected to described return
Copy, the other end of second preload piece are connected to first preload piece.
7. rolling tools according to claim 5, which is characterized in that the adjustment hole has internal screw thread, and described first is pre-
Tight part has external screw thread, and first preload piece is threadedly engaged with the guiding element.
8. according to the described in any item rolling tools of claim 4-7, which is characterized in that the rolling tools further include limit
Pin, the side wall of the guiding element offer the first hole, and the installation part offers the second hole, and the spacer pin is arranged in described respectively
First hole and second hole, the spacer pin can slide in first hole and lead the installation part relative to described
Part sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621350.3A CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621350.3A CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
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| Publication Number | Publication Date |
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| CN107186432A CN107186432A (en) | 2017-09-22 |
| CN107186432B true CN107186432B (en) | 2019-09-13 |
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| CN201710621350.3A Active CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080881A (en) * | 2017-12-19 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of wheel tread depth rolling device |
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| CN2710783Y (en) * | 2004-06-18 | 2005-07-20 | 江苏大洋齿轮有限公司 | Toothed wheel spherical surface rolling depression head |
| CN201346680Y (en) * | 2008-11-24 | 2009-11-18 | 洛阳市水资源勘察设计院 | Hard alloy elastic dual-wheel inner hole rolling tool |
| CN101791756A (en) * | 2010-03-02 | 2010-08-04 | 江苏大学 | High-precision elastic tapered bore rolling device of cone sealing pipe joint |
| CN101941132A (en) * | 2010-09-26 | 2011-01-12 | 河北宣化工程机械股份有限公司 | Surface rolling device of inner oil seal groove and outer oil seal groove of power shift transmission piston in construction machinery |
| CN203209805U (en) * | 2013-04-28 | 2013-09-25 | 江苏曙光石油钻采设备有限公司 | Hydraulic external thread cold-rolling device |
| CN103817332A (en) * | 2014-02-27 | 2014-05-28 | 华南理工大学 | Rolling tool for sintered powder metallurgy material surface densification |
| CN104014980A (en) * | 2014-05-16 | 2014-09-03 | 苏州创丰精密五金有限公司 | Device for performing segmented knurling on shaft product |
| CN205096803U (en) * | 2015-11-12 | 2016-03-23 | 贵州师范大学 | Unsteady elasticity mified head structure |
| CN205218640U (en) * | 2015-12-29 | 2016-05-11 | 山东华云机电科技有限公司 | Roll extrusion revolving stage feeding device |
| CN105945510A (en) * | 2016-05-19 | 2016-09-21 | 华南理工大学 | Processing device for reinforcing surface rolling |
| CN205816497U (en) * | 2016-07-06 | 2016-12-21 | 南方中金环境股份有限公司 | A kind of rolling device |
| CN206241004U (en) * | 2016-12-02 | 2017-06-13 | 成都飞机工业（集团）有限责任公司 | The rolling measurable annular groove outside rolling tools of power |
| CN106695242A (en) * | 2016-12-20 | 2017-05-24 | 内蒙古北方重工业集团有限公司 | Shaft and pipe outer circle rolling device for center lathe |
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