CN206708181U - A kind of magnetic expansion axle - Google Patents
A kind of magnetic expansion axle Download PDFInfo
- Publication number
- CN206708181U CN206708181U CN201720480057.5U CN201720480057U CN206708181U CN 206708181 U CN206708181 U CN 206708181U CN 201720480057 U CN201720480057 U CN 201720480057U CN 206708181 U CN206708181 U CN 206708181U
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- CN
- China
- Prior art keywords
- chute
- axis body
- mandrel
- expanding block
- bottom land
- Prior art date
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Abstract
The utility model proposes a kind of magnetic expansion axle, including outer axis body, the outer axis body is tubular, and the outer axis body is provided with some equidistant arrangements vertically and the inflation port being radially uniformly arranged, it is characterised in that：The mandrel that can be slided along outer axis body axial direction is provided with the outer shaft body, the mandrel surface is provided with the chute being correspondingly arranged with inflation port, and the chute opens up along mandrel axial direction, and the chute bottom land is inclined to set；The expanding block that can be slided along outer axis body radial direction is provided with the inflation port, axis body axial direction is obliquely installed beyond the expanding block bottom, the expanding block two sides, which are located at chute to coordinate in chute, to be slided, the expanding block bottom is provided with magnet, and the magnet adsorption coordinates slip in chute bottom land and with chute bottom land.The utility model overall structure is simple, easy for removal and installation when safeguarding, due to being rigid support, for gas expansion shaft, good for the support effect of load objects, stability is more preferably.
Description
Technical field
The present invention relates to main axis of dilatation field, and in particular to a kind of magnetic expansion axle.
Background technology
Main axis of dilatation is very common in papermaking press, and wherein most is gas expansion shaft, though air-expanding shaft call is more, work
The same air-expanding shafts of principle, air expansion sleeve are extremely easy to use, fast, only need to provide source of the gas for oneself, air-pressure controlling is in 6-8kg/cm2
In the range of, when need to lock portion's air-expanding shaft principle map (such as circular paper tube) of outside, as long as air gun is against on air-expanding shaft
Valve inflation can be completed, and withstand the part (such as circular paper tube) of outside, when need to loosen paper discharging, pressed with hand on valve
Sliding outside part (such as paper tube of circle) can take out.
But existing gas expansion shaft, which needs to be filled with a certain amount of compressed air to its inside at work, makes its expansion, although
It is simple to operate, but its structure is complex, because inside has air bag and expansion sliding block, therefore in maintenance, to air bag
Dismantled and loaded and just seem very troublesome；Simultaneously because during airbag aeration, the pressure that acts on air bag inwall be it is equal,
Therefore it is cased with outside gas expansion shaft when larger internal diameter and the object of heavier-weight (such as paper web), its paper web weight of itself can cause
For gas expansion shaft when rotating, each expansion sliding block can be caused retraction gas expansion shaft when going to 12 o'clock position by the pressure of paper web
It is interior, and the expansion sliding block for being now placed in 6 o'clock position then can be outstanding, equipment is produced unstability when working, aggravation is swollen
Abrasion between swollen sliding block and gas expansion shaft inwall, while air bag can be caused ceaselessly to deform generation fatigue cracking.
The content of the invention
Based on above mentioned problem, a kind of simple in construction present invention aims at providing, easy to maintenance, circumferential rigidity of support is strong
Magnetic expansion axle.
For problem above, there is provided following technical scheme：A kind of magnetic expansion axle, including outer axis body, the outer axis body
For tubular, the outer axis body is provided with some equidistant arrangements vertically and the inflation port being radially uniformly arranged, the outer axis body
Interior to be provided with the mandrel that slided along outer axis body axial direction, the mandrel surface is provided with the chute being correspondingly arranged with inflation port, institute
State chute to open up along mandrel axial direction, the chute bottom land is inclined to set；Being provided with the inflation port can be along outer axis body footpath
To the expanding block of direction slip, axis body axial direction is obliquely installed beyond the expanding block bottom, expanding block two sides position
Slided in coordinating in chute with chute, the expanding block bottom is provided with magnet, and the magnet adsorption is in chute bottom land and and chute
Bottom land, which coordinates, to be slided.
In said structure, by setting chute in mandrel outer wall, make chute bottom land to be skewed, when mandrel is relative to outer shaft
Body produces when sliding axially displacement, and it is flexible that expanding block can follow the inclined-plane of chute bottom land to produce；Because expanding block needs after overhanging
Reclaim reset, therefore magnet is set in expanding block bottom, by the absorption of magnet and chute bottom land so as to controlling expanding block to return
Receive, because chute and expanding block coordinate for inclined-plane, therefore after expanding block evagination, rigid support is formed immediately, so as to avoid
There is displacement in expanding block during rotation, and the cylinder control moved axially through positioned at mandrel end of mandrel also can be by manually entering
Row control, because chute bottom land and expanding block are that inclined-plane coordinates, self-locking performance be present between both, to ensure mandrel axial location
Immobilize.
The present invention is further arranged to, and adjacent chute bottom land incline direction is identical.
In said structure, by setting identical incline direction, when moving mandrel can each expanding block of Synchronization Control work
Dynamic direction.
The present invention is further arranged to, and the angle of inclination of the chute bottom land is consistent with the angle of inclination of expanding block bottom.
The present invention is further arranged to, and the mandrel is made up of steel.
In said structure, due to expansion block reset need to be adsorbed by magnet, therefore mandrel must be can be by magnet
The permeability magnetic material adsorbed is made.
Beneficial effects of the present invention：Overall structure is simple, easy for removal and installation when safeguarding, because expanding block is to pass through magnetic
Iron absorption and chute bottom land, therefore in dismounting, extract mandrel out, expanding block is with coming off, and when mounted, only need to be initially charged with core
Axle, then expanding block is loaded from inflation port makes it be caught in chute, due to being rigid support, for gas expansion shaft, for
The support effect of load objects is good, and stability is more preferably.
Brief description of the drawings
Fig. 1 is the complete section structural representation of unswollen state of the present invention；
Fig. 2 is the complete section structural representation of swelling state of the present invention；
Label implication in figure：The outer axis bodies of 10-；11- inflation ports；20- mandrels；21- chutes；30- expanding blocks；31- magnet.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
With reference to figure 1 and Fig. 2, a kind of magnetic expansion axle as shown in Figures 1 and 2, including outer axis body 10, the outer axis body 10
For tubular, the outer axis body 10 is provided with some equidistant arrangements vertically and the inflation port 11 being radially uniformly arranged, described outer
The mandrel 20 that can be slided along the outer axial direction of axis body 10 is provided with axis body 10, the surface of mandrel 20 is provided with corresponding with inflation port 11
The chute 21 of setting, the chute 21 open up along the axial direction of mandrel 20, and the bottom land of chute 21 is inclined to set；The expansion
It is provided with the expanding block 30 that can be slided along the outer radial direction of axis body 10 in hole 11, beyond the bottom surface of expanding block 30 the axial direction side of axis body
To being obliquely installed, the two sides of expanding block 30, which are located at chute 21 to coordinate in chute 21, to be slided, and the bottom of expanding block 30 is set
There is magnet 31, the magnet 31 is provided with the through hole (not shown) for installation bolt, and the through hole is towards the groove of chute 21
The one end at bottom, which is provided with, is used to accommodating the cylindrical counter sink (not shown) of bolt head, the bottom of expanding block 30 be provided with
The screwed hole (not shown) that bolt coordinates, the magnet 31 is secured by bolts in the bottom of expanding block 30, towards the magnetic
Iron 31 is adsorbed in the bottom land of chute 21 and coordinated with the bottom land of chute 21 and slides.
In said structure, by setting chute 21 in the outer wall of mandrel 20, make the bottom land of chute 21 to be skewed, when the phase of mandrel 20
Produced for outer axis body 10 when sliding axially displacement, it is flexible that expanding block 30 can follow the inclined-plane of the bottom land of chute 21 to produce；Due to swollen
Expansion block 30 needs recovery to reset after overhanging, therefore sets magnet 31 in the bottom of expanding block 30, passes through magnet 31 and the groove of chute 21
The absorption at bottom is so as to control expanding block 30 to reclaim, because the magnet 31 of the bottom surface of chute 21 and the bottom of expanding block 30 is inclined-plane cooperation,
Therefore after 30 evagination of expanding block, rigid support is formed immediately, so as to avoid the expanding block 30 when outer axis body 10 rotates from position occur
Move, the cylinder (not shown) control moved axially through positioned at the end of mandrel 20 of mandrel 20 also can be by manually carrying out
Control, because the magnet 31 of the bottom land of chute 21 and the bottom of expanding block 30 is that inclined-plane coordinates, self-locking performance be present between both, with true
The expansion axial location of rear mandrel 20 is protected to immobilize.
In the present embodiment, the adjacent bottom land incline direction of chute 21 is identical.
, can each expanding block 30 of Synchronization Control when moving mandrel 20 by setting identical incline direction in said structure
Activity direction.
In the present embodiment, the angle of inclination of the bottom land of chute 21 is consistent with the angle of inclination of the bottom of expanding block 30.
In the present embodiment, the mandrel 20 is made up of steel.
In said structure, need to carry out the bottom land of chute 21 by magnet 31 absorption just retraction because expanding block 30 resets,
Therefore mandrel 20 must be made of the permeability magnetic material that can be adsorbed by magnet 31.
Beneficial effects of the present invention：Overall structure is simple, easy for removal and installation when safeguarding, because expanding block 30 is to pass through
The absorption of magnet 31 and the bottom land of chute 21, therefore in dismounting, extract mandrel 20 out, expanding block 30 is with coming off, and when mounted, only need to
Mandrel 20 is initially charged with, then expanding block 30 is loaded from inflation port 31 makes it be caught in chute 21, due to being rigid support, compares
For gas expansion shaft, good for the support effect of load objects, stability is more preferably.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and modification can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of magnetic expansion axle, including outer axis body, the outer axis body is tubular, the outer axis body be provided with it is some vertically etc.
Away from the inflation port for arranging and being radially uniformly arranged, it is characterised in that：Being provided with the outer shaft body can be along outer axis body axial direction
The mandrel of slip, the mandrel surface are provided with the chute being correspondingly arranged with inflation port, and the chute opens up along mandrel axial direction,
The chute bottom land is inclined to set；The expanding block that can be slided along outer axis body radial direction is provided with the inflation port, it is described swollen
Axis body axial direction is obliquely installed beyond expansion block bottom, and the expanding block two sides, which are located at chute to coordinate in chute, to be slided, institute
State expanding block bottom and be provided with magnet, the magnet adsorption coordinates slip in chute bottom land and with chute bottom land.
A kind of 2. magnetic expansion axle according to claim 1, it is characterised in that：Adjacent chute bottom land incline direction is identical.
A kind of 3. magnetic expansion axle according to claim 2, it is characterised in that：The angle of inclination of the chute bottom land with it is swollen
The angle of inclination of expansion block bottom is consistent.
A kind of 4. magnetic expansion axle according to claim 3, it is characterised in that：The mandrel is made up of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480057.5U CN206708181U (en) | 2017-05-03 | 2017-05-03 | A kind of magnetic expansion axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480057.5U CN206708181U (en) | 2017-05-03 | 2017-05-03 | A kind of magnetic expansion axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708181U true CN206708181U (en) | 2017-12-05 |
Family
ID=60457830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480057.5U Expired - Fee Related CN206708181U (en) | 2017-05-03 | 2017-05-03 | A kind of magnetic expansion axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404062A (en) * | 2018-12-08 | 2019-03-01 | 庞厚星 | Thermal power generation steam turbine valve cam main axis of dilatation and cam switch box |
| CN109629683A (en) * | 2019-01-17 | 2019-04-16 | 林鹏 | Expand rub sassafras fashioned iron pipe connecting structure and assemble method |
| CN112272598A (en) * | 2018-08-16 | 2021-01-26 | 舍弗勒技术股份两合公司 | Mounting system for grinding machine |
| CN114151429A (en) * | 2021-11-08 | 2022-03-08 | 卢伟阅 | Fixing piece |
-
2017
- 2017-05-03 CN CN201720480057.5U patent/CN206708181U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112272598A (en) * | 2018-08-16 | 2021-01-26 | 舍弗勒技术股份两合公司 | Mounting system for grinding machine |
| CN109404062A (en) * | 2018-12-08 | 2019-03-01 | 庞厚星 | Thermal power generation steam turbine valve cam main axis of dilatation and cam switch box |
| CN109629683A (en) * | 2019-01-17 | 2019-04-16 | 林鹏 | Expand rub sassafras fashioned iron pipe connecting structure and assemble method |
| CN109629683B (en) * | 2019-01-17 | 2020-10-09 | 林鹏 | Expansion friction type steel pipe connecting structure and assembling method |
| CN114151429A (en) * | 2021-11-08 | 2022-03-08 | 卢伟阅 | Fixing piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181102 Address after: 518000 Longhua New District, Shenzhen, Guangdong, Longyuan street, Longyuan Road, Longxiang 50, 803 Patentee after: Shenzhen fan Ming Xuan Trading Co.,Ltd. Address before: 311800 25 Tong Nan 25, Wangjia village, Pai tou Town, Zhuji City, Zhejiang Patentee before: Zhou Jie |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191206 Address after: 518000 326, industrial building (building 402), color TV Corporation, 5007 Huanggang Road, Lianhua 1st Village, Huafu street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen beihuazi Industry Co.,Ltd. Address before: 518000 Longhua New District, Shenzhen, Guangdong, Longyuan street, Longyuan Road, Longxiang 50, 803 Patentee before: Shenzhen fan Ming Xuan Trading Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210512 Address after: 518000 a-102, sha'ershan Mulin Industrial Park, Shapu community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Hongxin daily necessities Co.,Ltd. Address before: 326, industrial building, color TV Corporation, 5007 Huanggang Road, Lianhua Yicun community, Huafu street, Futian District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen beihuazi Industry Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |