CN105151855B - Mechanical expanding shaft - Google Patents
Mechanical expanding shaft Download PDFInfo
- Publication number
- CN105151855B CN105151855B CN201510518877.4A CN201510518877A CN105151855B CN 105151855 B CN105151855 B CN 105151855B CN 201510518877 A CN201510518877 A CN 201510518877A CN 105151855 B CN105151855 B CN 105151855B
- Authority
- CN
- China
- Prior art keywords
- jacking block
- rotating shaft
- nib
- lug
- axis body
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/04—Interior-supporting
Landscapes
- Pens And Brushes (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of mechanical expanding shaft, including axis body, rotating shaft and jacking block, rotating shaft is set in inside axis body, the side face of axis body is provided with through hole, and jacking block is provided with lug, nib located at through hole on the outside of rotating shaft, during rotating shaft, lug, nib can be by jacking block jack-up so that side face of the one end of jacking block beyond rotating shaft.Rotating shaft is provided with lug, nib, lug, nib can be made to eject jacking block by rotating shaft, so that coiled strip cylinder of the jacking block support set on the outside of axis body；Thus, direct rotating shaft can achieve the ejection of jacking block and fall, without the need for gas injection in axis body, simplifying operation, simple structure, reduces cost；Meanwhile, rotating shaft is set in axis body, without the need for coordinating both in use again, simple to operate, improve work efficiency.
Description
Technical field
The invention belongs to a kind of supporting expansion axle, more particularly, to a kind of mechanical expanding shaft.
Background technology
The axle that rises is generally used for being nested with and fixing a coiled strip cylinder, so as to be used for supporting coiled strip cylinder, it is ensured that the intensity of coiled strip cylinder.
, mostly using gas expansion shaft, when using by the axle insertion axle body of jacking block place, then gas injection, by air pressure for the existing axle that rises
Jacking block is ejected by effect, is held out against coiled strip pipe by jacking block, it is ensured that the support strength of coiled strip cylinder.But gas expansion shaft is due to needing
By in the axle insertion axle body of jacking block place during use, need to be aligned in insertion, complex operation takes more；Meanwhile, by pouring
Jacking block is ejected by gas so that gas expansion shaft noise when using is larger；And the gas expansion shaft need access source of the gas, complex structure,
Required high cost.
Content of the invention
It is an object of the invention to provide a kind of mechanical expanding shaft, can solve the problem that at least one of the problems referred to above.
According to an aspect of the invention, there is provided a kind of mechanical expanding shaft, including axis body, rotating shaft and jacking block, rotating shaft is arranged
Inside axis body, the side face of axis body is provided with through hole, and jacking block is provided with lug, nib, lug, nib during rotating shaft located at through hole on the outside of rotating shaft
Can be by jacking block jack-up so that side face of the one end of jacking block beyond rotating shaft.
The invention has the beneficial effects as follows：Rotating shaft is provided with lug, nib, lug, nib can be made to eject jacking block by rotating shaft, from
And make coiled strip cylinder of the jacking block support set on the outside of axis body；Thus, direct rotating shaft can achieve the ejection of jacking block and fall, nothing
Operation, simple structure, reduces cost need to be simplified to gas injection in axis body；Meanwhile, rotating shaft is set in axis body, without the need for
Again both are coordinated during use, simple to operate, improve work efficiency.
In some embodiments, lug, nib is for multiple, and is distributed on the outside of rotating shaft.Thus, it is possible to ensure receiving for rotating shaft
Power is uniform.
In some embodiments, the external diameter of the circumference that the top of lug, nib is located is consistent with the internal diameter of axis body.Thus, it is possible to
Rotating shaft is facilitated to be set in axis body, it is to avoid rotating shaft to be installed again when using every time, easy to use, simplification uses process.
In some embodiments, the cross section of single lug, nib is in circular arc, passes through arc transition between adjacent lug, nib.By
This, facilitates axis of rotation, lug, nib can be allowd gradually to eject jacking block, or make jacking block progressively disengage lug, nib.
In some embodiments, work as axis of rotation, when the top of lug, nib is by jacking block jack-up, jacking block is in highest order；When
Axis of rotation, when lug, nib leaves jacking block, jacking block is in lowest order.Thus, facilitate lug, nib to act on support coiled strip cylinder on jacking block, make
Obtain lug, nib normally to use.
In some embodiments, mechanical expanding shaft also includes night bolt and handle, and handle and turns located at the side of rotating shaft
Axle is fixedly connected, and on handle, the side of axis body is provided with jack to night bolt, and jack is correspondingly arranged with night bolt.Thus,
When night bolt is turned at jack, in night bolt insertion jack, so that handle can not be rotated further, rotating shaft can not
It is rotated further, and then the lug, nib in rotating shaft keeps the supporting role to jacking block, it is ensured that supporting role power.
In some embodiments, on the same cross section of axis body arrange adjacent jacking block between angle and adjacent lug, nib it
Between angle consistent.Thus, it is possible to ensure that lug, nib correspondingly supports corresponding jacking block, it is ensured that the concordance in the lifting direction of jacking block.
In some embodiments, lug, nib is at least three.Thus, it is possible to ensure that lug, nib can be supported in a plurality of directions
Jacking block, strengthens the supporting role of jacking block.
In some embodiments, mechanical expanding shaft also includes bearing, and bearing is installed in the top of jacking block, the bottom end of bearing
End face of the face beyond jacking block.Thus, being provided with bearing can avoid lug, nib and jacking block directly contact, lug, nib from rubbing for rolling with bearing
Wipe, reduce frictional force, reduce both abrasions, improve service life.
Description of the drawings
Fig. 1 is the structural representation of the mechanical expanding shaft of the present invention；
Fig. 2 is the cross section structure diagram of the mechanical expanding shaft of the present invention.
Specific embodiment
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
See figures.1.and.2：Mechanical expanding shaft, including axis body 1, rotating shaft 2 and jacking block 3, rotating shaft 2 is set in inside axis body 1, axle
The side face of body 1 is provided with through hole 11, and jacking block 3 is provided with lug, nib 4 at through hole 11 on the outside of rotating shaft 2, during rotating shaft 2, lug, nib 4 can
By 3 jack-up of jacking block so that side face of the one end of jacking block 3 beyond rotating shaft 2.Jacking block 3 is in the form of a column, and two ends facilitate lug, nib 4 in circular arc
Jacking block 3 is ejected, the friction between lug, nib 4 and jacking block 3 is reduced, service life is improved.
Meanwhile, in order to prevent jacking block 3 from departing from through hole 11, salient point is formed when the inner side of through hole 11 processes, in jacking block 3
Below top, place offers draw-in groove so that draw-in groove is engaged with salient point, so as to, when jacking block 3 in the presence of without lug, nib 4 to week
During 1 medial movement of day, fixture block 3 can be positioned with the cooperation of draw-in groove by salient point, prevent fixture block 3 from departing from through hole 11.
Lug, nib 4 is for multiple, and is distributed on the outside of rotating shaft 2, and lug, nib 4 and rotating shaft 2 are formed in one structure, in rotating shaft 2
Outside goes out lug, nib 4 using lathe process, easy to process.Support of the lug, nib 4 to jacking block 3 for convenience, and it is easy to 3 pairs of volumes of jacking block
The stability that barrel is supported, lug, nib 4 are at least three, so as to respective radial direction of the jacking block 3 in axis body 1 is provided with least three tops
Block 3 so that jacking block 3 is corresponding with lug, nib 4 so that when rotating shaft 2 is rotated, jacking block 3 can be ejected by lug, nib 4 so that the top of jacking block 3
Outer peripheral face of the end beyond axis body 1.
The mechanical expanding shaft of the present invention also includes that bearing 7, bearing 7 surpass installed in the top of jacking block 3, the bottom end face of bearing 7
Go out the end face of jacking block 3.Wherein, bearing 7 can be ball bearing, by ball bearing installed in one end of jacking block 3, lug, nib 4 and axle
Hold 7 periphery to contact, lug, nib 4 promotes bearing 7, bearing 7 to drive jacking block 3 to move again.
The external diameter of the circumference that the top of lug, nib 4 is located is consistent with the internal diameter of axis body 1, thus, it is possible to enable rotating shaft 2 to pacify
Be mounted in axis body 1, and in the state of not use rotating shaft 2 without departing from axis body 1.Rotating shaft 2 in the mechanical expanding shaft of the present invention is all the time
In the axis body 1, dismounted without the need for countershaft 2, convenient use, existing gas expansion shaft using when need miscellaneous part
In axis body, the requirement on machining accuracy to each several part is higher, and needs each component alignment in installation process, and it is difficult to install
Degree is larger, it has not been convenient to operate.
The cross section of single lug, nib 4 is in circular arc, passes through arc transition between adjacent lug, nib 4.Lug, nib 4 is set to circular arc
Transition so that can seamlessly transit when lug, nib 4 is contacted with jacking block 3, reduces frictional force between the two.
When rotating shaft 2 is rotated, and the top of lug, nib 4 is by 3 jack-up of jacking block, jacking block 3 is in highest order；When rotating shaft 2 is rotated, lug, nib
4 when leaving jacking block 3, and jacking block 3 is in lowest order.Draw-in groove on jacking block 3 is located at the lower section on its top so that jacking block 3 is in minimum
During position, draw-in groove is engaged with the salient point at through hole 11, so as to prevent the landing further downward of jacking block 3, it is ensured that jacking block 3 is remained
At through hole 11.
The mechanical expanding shaft of the present invention also includes night bolt 5 and handle 6, and handle 6 is located at the side of rotating shaft 2, logical with rotating shaft 2
Cross screw to be fixedly connected, offer on handle 6 for installing the installing hole of night bolt 5, night bolt 5 is installed in handle 6
On installing hole；The side of axis body 1 is provided with jack 12, and jack 12 is correspondingly arranged with night bolt 5, i.e., when night bolt 5 is turned to
During 12 position of jack, one end of night bolt 5 is inserted in jack 12.
For supporting role when ensureing that jacking block 3 rests on highest order to coiled strip cylinder, the jack 12 opened up on axis body 1 and top
Block 3 is corresponding, i.e., also open up multiple jacks 12 on axis body 1, and jack 12 is in the number radially of axis body 1 with jacking block 3 in 1 footpath of axis body
Number upwards is consistent, and when jacking block 3 is located at highest order, night bolt 5 is inserted in jack 12.When rotating shaft 2 needs to rotate
When, night bolt 5 is pressed, the spring in night bolt 5 is compressed so that night bolt 5 can depart from jack 12, it is ensured that handle
6 can drive 2 normal rotation of rotating shaft.
The angle between angle and adjacent lug, nib 4 between the adjacent jacking block 3 arranged on 1 same cross section of axis body is consistent,
Thereby it is ensured that when rotating shaft 2 turns to corresponding angle, lug, nib 4 can eject jacking block 3 to highest order.
In order to strengthen jacking block 3 in use, to coiled strip cylinder supporting role, the axial direction installation along axis body 1 is multiple
Jacking block 3 so that jacking block 3 can uniformly bear the active force of coiled strip cylinder.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, some deformations and improvement can also be made, these belong to the present invention
Protection domain.
Claims (7)
1. mechanical expanding shaft, it is characterised in that including axis body (1), rotating shaft (2) and jacking block (3), rotating shaft (2) are set in axis body
(1) internal, the side face of axis body (1) is provided with through hole (11), and described jacking block (3) are located at through hole (11) place, rotating shaft (2) outward
Side is provided with lug, nib (4), and when rotating rotating shaft (2), lug, nib (4) can be by jacking block (3) jack-up so that one end of jacking block (3) exceeds
The side face of rotating shaft (2)；
Described lug, nib (4) are for multiple, and are distributed on the outside of rotating shaft (2)；
Mechanical expanding shaft also includes night bolt (5) and handle (6), and described handle (6) are located at the side of rotating shaft (2), with rotating shaft (2)
It is fixedly connected, described night bolt (5), on handle (6), the side of axis body (1) is provided with jack (12), the jack
(12) it is correspondingly arranged with night bolt (5).
2. mechanical expanding shaft according to claim 1, it is characterised in that the circumference that the top of lug, nib (4) is located outer
Footpath is consistent with the internal diameter of axis body (1).
3. mechanical expanding shaft according to claim 2, it is characterised in that the cross section of single lug, nib (4) is in circular arc,
Pass through arc transition between adjacent the lug, nib (4).
4. mechanical expanding shaft according to claim 3, it is characterised in that when the rotating shaft (2) is rotated, the top of lug, nib (4)
During by jacking block (3) jack-up, jacking block (3) is in highest order；When the rotating shaft (2) is rotated, when lug, nib (4) leaves jacking block (3), jacking block
(3) lowest order is in.
5. mechanical expanding shaft according to claim 1, it is characterised in that the phase arranged on axis body (1) same cross section
Angle between angle between adjacent jacking block (3) and adjacent lug, nib (4) is consistent.
6. mechanical expanding shaft according to claim 5, it is characterised in that described lug, nib (4) are at least three.
7. mechanical expanding shaft according to claim 1, it is characterised in that also include that bearing (7), bearing (7) are arranged on
The top of jacking block (3), the bottom end face of bearing (7) exceed the end face of jacking block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518877.4A CN105151855B (en) | 2015-08-21 | 2015-08-21 | Mechanical expanding shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510518877.4A CN105151855B (en) | 2015-08-21 | 2015-08-21 | Mechanical expanding shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105151855A CN105151855A (en) | 2015-12-16 |
| CN105151855B true CN105151855B (en) | 2017-03-15 |
Family
ID=54792996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510518877.4A Active CN105151855B (en) | 2015-08-21 | 2015-08-21 | Mechanical expanding shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105151855B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947806A (en) * | 2016-07-21 | 2016-09-21 | 章敬远 | Internally driven cam expansion shaft |
| CN113211938B (en) * | 2021-06-11 | 2021-11-30 | 丰县鑫牧网络科技有限公司 | Guide roller for printing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3815836A (en) * | 1971-02-11 | 1974-06-11 | Barmag Barmer Maschf | Sleeve chuck for thread winding device |
| US3850538A (en) * | 1973-01-02 | 1974-11-26 | O Hachtmann | Clamp coupling |
| JPS59217557A (en) * | 1983-03-16 | 1984-12-07 | ダブル・イ−・カンパニ−・インコ−ポレ−テツド | Torque transmitting chuck |
| JPH10265104A (en) * | 1997-03-24 | 1998-10-06 | River Seiki Kk | Support shaft for core pipe of sheet roll |
| CN202785104U (en) * | 2012-10-11 | 2013-03-13 | 巨石攀登电子基材有限公司 | Mechanical coiling sleeve expander |
| CN204873026U (en) * | 2015-08-21 | 2015-12-16 | 吴庆 | Axle mechanically rises |
-
2015
- 2015-08-21 CN CN201510518877.4A patent/CN105151855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3815836A (en) * | 1971-02-11 | 1974-06-11 | Barmag Barmer Maschf | Sleeve chuck for thread winding device |
| US3850538A (en) * | 1973-01-02 | 1974-11-26 | O Hachtmann | Clamp coupling |
| JPS59217557A (en) * | 1983-03-16 | 1984-12-07 | ダブル・イ−・カンパニ−・インコ−ポレ−テツド | Torque transmitting chuck |
| JPH10265104A (en) * | 1997-03-24 | 1998-10-06 | River Seiki Kk | Support shaft for core pipe of sheet roll |
| CN202785104U (en) * | 2012-10-11 | 2013-03-13 | 巨石攀登电子基材有限公司 | Mechanical coiling sleeve expander |
| CN204873026U (en) * | 2015-08-21 | 2015-12-16 | 吴庆 | Axle mechanically rises |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105151855A (en) | 2015-12-16 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230728 Address after: 528000, 2nd Floor, No. 101-102, Hedang Henan Industrial Zone, Shiwan Town Street, Chancheng District, Foshan City, Guangdong Province Patentee after: Foshan Ruiteng Advertising Co.,Ltd. Address before: Room 3015, Building A, No. 10 Zifang 1st Street, Chancheng District, Foshan City, Guangdong Province, 528000 Patentee before: Wu Qing |