CN105151855A - Mechanical expansion shaft - Google Patents
Mechanical expansion shaft Download PDFInfo
- Publication number
- CN105151855A CN105151855A CN201510518877.4A CN201510518877A CN105151855A CN 105151855 A CN105151855 A CN 105151855A CN 201510518877 A CN201510518877 A CN 201510518877A CN 105151855 A CN105151855 A CN 105151855A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- jacking block
- nib
- lug
- shaft
- 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.)
- Granted
Links
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 mechanical expansion shaft. The mechanical expansion shaft comprises a shaft body, a rotating shaft and ejecting blocks. The rotating shaft is sleeved with the shaft body. Through holes are formed in the circumferential surface of the shaft body. The ejecting blocks are arranged in the through holes. Protruding ridges are arranged on the outer side of the rotating shaft. The ejecting blocks can be ejected by the protruding ridges when the rotating shaft rotates to enable one ends of the ejecting blocks to exceed the circumferential surface of the rotating shaft. As the protruding ridges are arranged on the rotating shaft, and the protruding ridges can eject the ejecting blocks out by rotating the rotating shaft, a reeling barrel arranged on the outer side of the shaft body in a sleeving manner is supported by the ejecting blocks; in this way, ejecting and falling of the ejecting blocks can be achieved by directly rotating the rotating shaft, a user does not need to inflate air into the shaft body, operation is simplified, the structure is simple, and cost is reduced; and meanwhile as the rotating shaft is sleeved with the shaft body, the user does not need to match the rotating shaft with the shaft body in use, operation is easy, and working efficiency is improved.
Description
Technical field
The invention belongs to a kind of supporting expansion axle, especially relate to a kind of mechanical expanding shaft.
Background technology
The axle that rises is generally used for being nested with and fixes a coiled strip cylinder, thus for supporting coiled strip cylinder, ensures the intensity of coiled strip cylinder.The existing axle that rises adopts gas expansion shaft mostly, and inserted in axis body by jacking block place axle in use, then gas injection, is ejected jacking block by gas pressure, is held out against by coiled strip pipe by jacking block, ensure that the support strength of coiled strip cylinder.But jacking block place axle inserts in axis body due to needs by gas expansion shaft in use, needs to aim at, complicated operation when inserting, consuming time more; , ejected by jacking block by gas injection, noise is larger in use to make this gas expansion shaft meanwhile; And this gas expansion shaft needs to access source of the gas, complex structure, required cost is high.
Summary of the invention
The object of the present invention is to provide a kind of mechanical expanding shaft, at least one in can solving the problem.
According to an aspect of the present invention, provide a kind of mechanical expanding shaft, comprise axis body, rotating shaft and jacking block, rotating shaft is set in axis body inside, the side face of axis body is provided with through hole, and jacking block is located at through hole, is provided with lug, nib outside rotating shaft, during rotating shaft, lug, nib can, by jacking block jack-up, make one end of jacking block exceed the side face of rotating shaft.
The invention has the beneficial effects as follows: rotating shaft is provided with lug, nib, lug, nib can be made to be ejected by jacking block by rotating shaft, thus make the coiled strip cylinder of jacking block support sleeve outside axis body; Thus, direct rotating shaft can realize ejecting of jacking block and fall, and without the need to gas injection in axis body, simplifies the operation, and structure is simple, reduces costs; , rotating shaft is set in axis body meanwhile, without the need to again both being coordinated in use, simple to operate, increase work efficiency.
In some embodiments, lug, nib is multiple, and is distributed on the outside of rotating shaft.Thus, the uniform force of rotating shaft can be ensured.
In some embodiments, the external diameter of the circumference at the place, top of lug, nib is consistent with the internal diameter of axis body.Thus, rotating shaft can be facilitated to be set in axis body, when avoiding using, rotating shaft to be installed at every turn again, easy to use, simplify use procedure.
In some embodiments, the cross-sectional plane of single lug, nib is circular arc, passes through arc transition between adjacent lug, nib.Thus, facilitate axis of rotation, lug, nib can be made to be ejected by jacking block gradually, or make jacking block depart from lug, nib gradually.
In some embodiments, work as axis of rotation, when the top of lug, nib is by jacking block jack-up, jacking block is in most significant bit; Work as axis of rotation, when lug, nib leaves jacking block, jacking block is in lowest order.Thus, facilitate lug, nib to act on jacking block and support coiled strip cylinder, lug, nib can normally be used.
In some embodiments, mechanical expanding shaft also comprises spring tongue and handle, and the side of rotating shaft is located at by handle, is fixedly connected with rotating shaft, and spring tongue is located on handle, and the side of axis body is provided with jack, and jack is corresponding with spring tongue to be arranged.Thus, when spring tongue turns to jack place, spring tongue inserts in jack, thus handle can not be rotated further, and rotating shaft can not be rotated further, and then the lug, nib in rotating shaft keeps the supporting role to jacking block, ensure that supporting role power.
In some embodiments, the angle between the adjacent jacking block same cross-sectional plane of axis body arranged is consistent with the angle between adjacent lug, nib.Thus, can ensure that lug, nib correspondence supports corresponding jacking block, ensure the conformability in the lifting direction of jacking block.
In some embodiments, lug, nib is at least three.Thus, can ensure that lug, nib can support jacking block in a plurality of directions, strengthen the supporting role of jacking block.
In some embodiments, mechanical expanding shaft also comprises bearing, and bearing is arranged on the top of jacking block, and the bottom end face of bearing exceeds the end face of jacking block.Thus, be provided with bearing and lug, nib can be avoided directly to contact with jacking block, lug, nib and bearing are friction of rolling, reduce friction force, the wearing and tearing of both minimizings, improve service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of mechanical expanding shaft of the present invention;
Fig. 2 is the sectional structure schematic diagram of mechanical expanding shaft of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
See figures.1.and.2: mechanical expanding shaft, comprise axis body 1, rotating shaft 2 and jacking block 3, it is inner that rotating shaft 2 is set in axis body 1, the side face of axis body 1 is provided with through hole 11, jacking block 3 is located at through hole 11 place, be provided with lug, nib 4 outside rotating shaft 2, during rotating shaft 2, lug, nib 4 can, by jacking block 3 jack-up, make one end of jacking block 3 exceed the side face of rotating shaft 2.Jacking block 3 is in column, and two ends are circular arc, facilitate lug, nib 4 to be ejected by jacking block 3, reduces the friction between lug, nib 4 and jacking block 3, improves service life.
Simultaneously, through hole 11 is departed from order to prevent jacking block 3, add in the inner side of through hole 11 and form salient point man-hour, below the top of jacking block 3, place offers draw-in groove, draw-in groove is matched with salient point, thus, when jacking block 3 under the effect not having lug, nib 4 to 1 medial movement on Sunday time, with coordinating of draw-in groove, fixture block 3 can be located by salient point, prevent fixture block 3 from departing from through hole 11.
Lug, nib 4 is multiple, and is distributed on the outside of rotating shaft 2, and lug, nib 4 and rotating shaft 2 are formed in one structure, adopt machined into go out lug, nib 4 in the outside of rotating shaft 2, easy to process.The conveniently support of lug, nib 4 pairs of jacking blocks 3, and be convenient to the stability of jacking block 3 pairs of coiled strip cylinders supports, lug, nib 4 is at least three, thus jacking block 3 is provided with at least three jacking blocks 3 in the respective radial direction of axis body 1, make jacking block 3 corresponding with lug, nib 4, when rotating shaft 2 is rotated, jacking block 3 can eject by lug, nib 4, makes the top of jacking block 3 exceed the outer peripheral face of axis body 1.
Mechanical expanding shaft of the present invention also comprises bearing 7, and bearing 7 is arranged on the top of jacking block 3, and the bottom end face of bearing 7 exceeds the end face of jacking block 3.Wherein, bearing 7 can be ball bearing of main shaft, ball bearing of main shaft is arranged on one end of jacking block 3, and lug, nib 4 contacts with the periphery of bearing 7, and lug, nib 4 promotes bearing 7, and bearing 7 drives jacking block 3 to move again.
The external diameter of the circumference at the place, top of lug, nib 4 is consistent with the internal diameter of axis body 1, thus, rotating shaft 2 can be made can be arranged in axis body 1, and not depart from axis body 1 at the state lower rotary shaft 2 do not used.Rotating shaft 2 in mechanical expanding shaft of the present invention is arranged in axis body 1 all the time, dismounting is carried out without the need to countershaft 2, easy to use, existing gas expansion shaft needs miscellaneous part to be arranged in axis body in use, higher to the requirement on machining accuracy of each several part, and in installation process, need each parts to aim at, installation difficulty is comparatively large, is inconvenient to operate.
The cross-sectional plane of single lug, nib 4 is circular arc, passes through arc transition between adjacent lug, nib 4.Lug, nib 4 is set to arc transition, can seamlessly transits when lug, nib 4 is contacted with jacking block 3, reduce friction force between the two.
When rotating shaft 2 is rotated, when the top of lug, nib 4 is by jacking block 3 jack-up, jacking block 3 is in most significant bit; When rotating shaft 2 is rotated, when lug, nib 4 leaves jacking block 3, jacking block 3 is in lowest order.Draw-in groove on jacking block 3 is positioned at the below on its top, and when making jacking block 3 be in lowest order, draw-in groove matches with the salient point at through hole 11 place, thus prevents jacking block 3 landing downwards further, ensures that jacking block 3 remains at through hole 11 place.
Mechanical expanding shaft of the present invention also comprises spring tongue 5 and handle 6, and the side of rotating shaft 2 is located at by handle 6, is fixedly connected with by screw with rotating shaft 2, handle 6 offers the mounting hole for mounting spring latch 5, and spring tongue 5 is arranged on the mounting hole of handle 6; The side of axis body 1 is provided with jack 12, and jack 12 is corresponding with spring tongue 5 to be arranged, and namely when spring tongue 5 turns to jack 12 position, one end of spring tongue 5 can be inserted in jack 12.
Supporting role to coiled strip cylinder during in order to ensure that jacking block 3 rests on most significant bit, the jack 12 that axis body 1 is offered is corresponding with jacking block 3, namely axis body 1 is also offered multiple jack 12, the number of jack 12 in axis body 1 radial direction is consistent with the number of jacking block 3 in axis body 1 radial direction, and when jacking block 3 is positioned at most significant bit, spring tongue 5 is inserted in jack 12.When rotating shaft 2 needs to rotate, pressing spring tongue 5, the spring in spring tongue 5 is compressed, and makes spring tongue 5 can depart from jack 12, ensures that handle 6 can drive rotating shaft 2 normal rotation.
Angle between the adjacent jacking block 3 that the same cross-sectional plane of axis body 1 is arranged is consistent with the angle between adjacent lug, nib 4, and thus, when ensureing that rotating shaft 2 turns to corresponding angle, jacking block 3 can eject to most significant bit by lug, nib 4.
In order to strengthen in use jacking block 3 pairs of coiled strip cylinders supporting role, the axial direction along axis body 1 installs multiple jacking block 3, makes jacking block 3 evenly can bear the application force of coiled strip cylinder.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. mechanical expanding shaft, it is characterized in that, comprise axis body (1), rotating shaft (2) and jacking block (3), it is inner that described rotating shaft (2) is set in axis body (1), the side face of described axis body (1) is provided with through hole (11), described jacking block (3) is located at through hole (11) place, described rotating shaft (2) outside is provided with lug, nib (4), when rotating described rotating shaft (2), lug, nib (4) can, by jacking block (3) jack-up, make one end of jacking block (3) exceed the side face of rotating shaft (2).
2. mechanical expanding shaft according to claim 1, is characterized in that, described lug, nib (4) for multiple, and is distributed on the outside of rotating shaft (2).
3. mechanical expanding shaft according to claim 2, is characterized in that, the external diameter of the circumference at the place, top of described lug, nib (4) is consistent with the internal diameter of axis body (1).
4. mechanical expanding shaft according to claim 3, is characterized in that, the cross-sectional plane of single described lug, nib (4) is circular arc, passes through arc transition between adjacent described lug, nib (4).
5. mechanical expanding shaft according to claim 4, is characterized in that, when described rotating shaft (2) is rotated, when the top of lug, nib (4) is by jacking block (3) jack-up, jacking block (3) is in most significant bit; When described rotating shaft (2) is rotated, when lug, nib (4) leaves jacking block (3), jacking block (3) is in lowest order.
6. the mechanical expanding shaft according to any one of claim 2 ~ 5, it is characterized in that, also comprise spring tongue (5) and handle (6), the side of rotating shaft (2) is located at by described handle (6), be fixedly connected with rotating shaft (2), described spring tongue (5) is located on handle (6), the side of described axis body (1) is provided with jack (12), and described jack (12) is corresponding with spring tongue (5) to be arranged.
7. mechanical expanding shaft according to claim 6, is characterized in that, the angle between the adjacent jacking block (3) that described axis body (1) same cross-sectional plane is arranged is consistent with the angle between adjacent lug, nib (4).
8. mechanical expanding shaft according to claim 7, is characterized in that, described lug, nib (4) is at least three.
9. mechanical expanding shaft according to claim 6, it is characterized in that, also comprise bearing (7), described bearing (7) is arranged on the top of jacking block (3), and the bottom end face of described bearing (7) exceeds 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 true CN105151855A (en) | 2015-12-16 |
| CN105151855B 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) |
Cited By (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 |
| CN113211938A (en) * | 2021-06-11 | 2021-08-06 | 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 |
Cited By (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 |
| CN113211938A (en) * | 2021-06-11 | 2021-08-06 | 丰县鑫牧网络科技有限公司 | Guide roller for printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105151855B (en) | 2017-03-15 |
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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 |