WO1994017319A1 - Eccentric displacer for gears - Google Patents
Eccentric displacer for gears Download PDFInfo
- Publication number
- WO1994017319A1 WO1994017319A1 PCT/GB1994/000179 GB9400179W WO9417319A1 WO 1994017319 A1 WO1994017319 A1 WO 1994017319A1 GB 9400179 W GB9400179 W GB 9400179W WO 9417319 A1 WO9417319 A1 WO 9417319A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support plate
- shaft
- gear
- plate
- gears
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/02—Devices for moving articles, e.g. containers, past labelling station
- B65C9/04—Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles
- B65C9/045—Devices for moving articles, e.g. containers, past labelling station having means for rotating the articles adapted for accommodating articles of different diameters, e.g. for adapting the program of rotation to the diameter of the articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/10—Bearings, parts of which are eccentrically adjustable with respect to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/22—Cranks; Eccentrics
- F16C3/28—Adjustable cranks or eccentrics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0222—Lateral adjustment
- F16H2057/0224—Lateral adjustment using eccentric bushes
Definitions
- This invention relates to a means for varying the distance between gear centres of intermeshing gears.
- Gears are commonly used as a means for increasing or decreasing rotational velocity. It is well known that by varying the ratio of the size or pitch circle diameter (PCD) of intermeshing gears the velocity of a driven gear and associated shaft can be controlled to an appropriate speed while maintaining the driving gear at a constant and desirable speed.
- PCD pitch circle diameter
- One such method of moving a shaft is to locate it on a slidable tray or sled, wherein the sled is free to move to respective locations which correspond to appropriate positions depending upon the size of the gear on the shaft.
- the sled or tray is generally brought to rest and held in a respective location by lugs or dowels.
- lugs or dowels In use, it is found that these lugs or dowels become worn and may reduce in size or bend causing the sled or tray to come to rest in a slightly inaccurate position.
- the sled is located on a linear slide only a slight disposition of the sled and the corresponding shaft can cause significant fouling of the intermeshing teeth of the gears. Such fouling or interference in turn causes excessive wear of the gears leading to higher maintenance costs and increased down time of the associated machinery.
- an apparatus for varying the distance between gear supporting shafts comprising means for mounting at least one of said shafts eccentrically on a first rotatable support plate, wherein rotation of said first plate causes lateral movement of said shaft .
- said first support plate is also mounted eccentrically on to a second rotatable support plate such that rotation of said second support plate causes lateral movement of said first support plate and said shaft.
- said apparatus also comprises means for locking said first plate and said second plate each in respective first and second positions, wherein said respective first and second positions are each set apart by 180 degrees and wherein when said first and second plates are in any one of said positions, said shaft is orthogonal to a line collinear with a particular diameter of the fixed gear.
- said apparatus is included in a roll-fed labelling machine.
- Fig. 1 is a plan view of an eccentric mounting system
- Fig.2 is a sectional view of a cutter bearing housing assembly used in a roll fed labeller which incorporates the invention.
- a gear 35 is located on a shaft 3.
- the shaft 3 itself is mounted on a first support plate 2 in such a way that it is located off centre of the support plate 2. Accordingly, rotation of the support plate 2 about its centre 4 causes the shaft 3 to move in a lateral direction. In particular, rotation of the first support plate 2 causes the shaft 3 to travel around a locus which circumnavigates the centre 4.
- the first support plate 2 is also eccentrically mounted on a further or second support plate 5. Consequently rotation of the second support plate 5 causes the centre 4 of the first support plate 2, together with the shaft 3 to move in a lateral direction.
- FIG. 2 shows a cutter bearing housing assembly which is used in such an application.
- the assembly would provide a mount upon which a cutting drum is located.
- the size of the cutter drum is required to be varied. In practice, there are three or four desirable drum sizes which correspond to label sizes which, in turn, are dependent upon bottle and can diameters commonly used as containers or utensils for carrying beverages or the like.
- gear 35 which corresponds in diameter to equal or approximately equal the same size as the cutter drum diameter.
- gear 35 it is normal for the gear 35 to be replaced with an alternative gear of a different size at such time as the cutter drum is varied.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
- Gear Transmission (AREA)
Abstract
A means for varying the distance between gear supporting shafts (3) is provided by mounting at least one of the shafts (3) eccentrically on a rotatable plate (2) which, when rotated, causes the shaft (3) to move laterally. The invention provides for further mounting this first support plate (2) eccentrically with a second rotatable support plate (5) to increase the versatility of the lateral movement of the shaft (3).
Description
"Eccentric Displacer for Gears"
This invention relates to a means for varying the distance between gear centres of intermeshing gears.
Gears are commonly used as a means for increasing or decreasing rotational velocity. It is well known that by varying the ratio of the size or pitch circle diameter (PCD) of intermeshing gears the velocity of a driven gear and associated shaft can be controlled to an appropriate speed while maintaining the driving gear at a constant and desirable speed.
However, a problem arises when the teeth of the gears are required to intermesh and the shafts or axles of each gear, while being free to rotate, are fixed in one position. When it is sought to change the gear ratios between the fixed shafts it has generally been necessary to change both gears such that one is increased in size while the other is decreased, thereby enabling the correct interaction of the gear teeth and keeping the distance between the shafts or gear centres constant . Changing the gear on only one shaft has not been possible as the teeth of the gears do not interact appropriately and failing or slipping may occur.
To overcome this undesirable situation, in the past it has been common to enable one of the shafts to be slidable or otherwise movable in a controlled manner. However, moving a shaft or axle is also associated or inherent with problems on the basis that it generally requires the movement of bearing houses and other apparatus attached to or integral with the shaft .
One such method of moving a shaft is to locate it on a slidable tray or sled, wherein the sled is free to move to respective locations which correspond to appropriate positions depending upon the size of the gear on the shaft. In such embodiments the sled or tray is generally brought to rest and held in a respective location by lugs or dowels. In use, it is found that these lugs or dowels become worn and may reduce in size or bend causing the sled or tray to come to rest in a slightly inaccurate position. Where the sled is located on a linear slide only a slight disposition of the sled and the corresponding shaft can cause significant fouling of the intermeshing teeth of the gears. Such fouling or interference in turn causes excessive wear of the gears leading to higher maintenance costs and increased down time of the associated machinery.
In other embodiments known in the past, disassembly of components, including the shaft has been required which is a cumbersome and time consuming task.
According to the invention there is provided an apparatus for varying the distance between gear supporting shafts comprising means for mounting at least one of said shafts eccentrically on a first rotatable support plate, wherein rotation of said first
plate causes lateral movement of said shaft .
Preferably, said first support plate is also mounted eccentrically on to a second rotatable support plate such that rotation of said second support plate causes lateral movement of said first support plate and said shaft.
Preferably, said apparatus also comprises means for locking said first plate and said second plate each in respective first and second positions, wherein said respective first and second positions are each set apart by 180 degrees and wherein when said first and second plates are in any one of said positions, said shaft is orthogonal to a line collinear with a particular diameter of the fixed gear.
Preferably, said apparatus is included in a roll-fed labelling machine.
An embodiment of the invention will now be described, by way of example only, with reference to the accompanying drawings, in which:
Fig. 1 is a plan view of an eccentric mounting system, and
Fig.2 is a sectional view of a cutter bearing housing assembly used in a roll fed labeller which incorporates the invention.
Referring to the Figures, a gear 35 is located on a shaft 3. The shaft 3 itself is mounted on a first support plate 2 in such a way that it is located off centre of the support plate 2.
Accordingly, rotation of the support plate 2 about its centre 4 causes the shaft 3 to move in a lateral direction. In particular, rotation of the first support plate 2 causes the shaft 3 to travel around a locus which circumnavigates the centre 4.
The first support plate 2 is also eccentrically mounted on a further or second support plate 5. Consequently rotation of the second support plate 5 causes the centre 4 of the first support plate 2, together with the shaft 3 to move in a lateral direction.
Rotation of both the first support plate 2 and the second support plate 5 is limited by lugs or dowels 26. In the embodiment shown in the Figures the circumference of the first support plate 2 and the second support plate 4 is slightly distorted such that one half of each plate 2, 4 is of slightly greater radius than the opposite half of each said plate, thereby causing, upon rotation, the half of each plate having the larger circumference to foul or interfere with the lugs 26.
A particular application of the invention may be found for use in roll fed labelling apparatus. Fig. 2 shows a cutter bearing housing assembly which is used in such an application. The assembly would provide a mount upon which a cutting drum is located.
Depending upon the length of each respective label in a continuous web the size of the cutter drum is required to be varied. In practice, there are three or four desirable drum sizes which correspond to label sizes which, in turn, are dependent upon bottle and can diameters commonly used as containers or utensils for
carrying beverages or the like.
Many roll-fed labellers provide a gear, such as that referenced 35, which corresponds in diameter to equal or approximately equal the same size as the cutter drum diameter. Thus, it is normal for the gear 35 to be replaced with an alternative gear of a different size at such time as the cutter drum is varied. In order to affect this it was previously necessary to slide the cutter drum assembly in a lateral direction to a position which corresponded to the new gear size, a process which was enabled by providing the cutter drum assembly on a sled and sliding it on rails until it was physically stopped by lugs or dowels. Small wearing of these lugs led to a significant difference in the linear distance of the displacement of the shaft and gear 35 causing excessive wear on the gears.
However the eccentric displacing apparatus shown in the figures and described herein is inherent with the advantage of displacing the shaft 3 and gear centre 36 by means of rotational movement. In turn, this leads to the advantage that at the critical point, that is where the respective intermeshing gears are required to be finally located, a relatively large angle of further rotation corresponds with only a minimal displacement in a linear direction of the shaft 3 and gear centre 36. Thus, wearing of the lugs or dowels 26 or the edge of the larger circumferenced half of the first or second plate has minimal, if any, real effect on the location of the gear centres and resultant wear on the gears themselves.
It has also been found that use of the displacement apparatus is far more efficient than methods previously
used or known.
Claims
CLAIMS; -
1 Apparatus for varying the distance between gear supporting shafts comprising means for mounting at least one of said shafts eccentrically on a first rotatable support plate, wherein rotation of said first plate causes lateral movement of said shaft .
2 Apparatus as claimed in Claim 1, wherein said first support plate is also mounted eccentrically on to a second support plate such that rotation of said second support plate causes lateral movement of said first support plate and said shaft.
3 Apparatus as claimed in Claim 2, wherein said apparatus also comprises means for locking said first plate and said second plate each in respective first and second positions, wherein said respective first and second positions are each set apart by 180 degrees and wherein when said first and second plates are in any one of said positions, said shaft is orthogonal to a line collinear with a particular diameter of the fixed gear.
4 Apparatus as claimed in any one of the preceding Claims included in a roll-fed labelling machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU58902/94A AU5890294A (en) | 1993-01-30 | 1994-01-28 | Eccentric displacer for gears |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9301906.5 | 1993-01-30 | ||
GB9301906A GB9301906D0 (en) | 1993-01-30 | 1993-01-30 | Eccentric displacer for gears |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994017319A1 true WO1994017319A1 (en) | 1994-08-04 |
Family
ID=10729625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1994/000179 WO1994017319A1 (en) | 1993-01-30 | 1994-01-28 | Eccentric displacer for gears |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5890294A (en) |
GB (1) | GB9301906D0 (en) |
WO (1) | WO1994017319A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0935560A1 (en) * | 1996-10-15 | 1999-08-18 | Krones, Inc. | Apparatus for attaching literature to articles |
EP1098097A1 (en) * | 1999-11-03 | 2001-05-09 | A. Friedr. Flender Ag | Bearing bush and machine part for receiving it |
EP1215417A2 (en) * | 2000-12-13 | 2002-06-19 | SEW-EURODRIVE GMBH & CO. | A series of transmissions and a method for building the same |
WO2011104733A1 (en) * | 2010-02-25 | 2011-09-01 | Sidel S.P.A. Con Socio Unico | Labelling machine and relative manufacturing method |
CN102937178A (en) * | 2012-10-31 | 2013-02-20 | 中国北方发动机研究所(天津) | Gear axis position adjustable mechanism |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE916984C (en) * | 1952-09-23 | 1954-08-23 | Maybach Motorenbau G M B H | Adjustable bearing of a gear |
DE920642C (en) * | 1952-08-31 | 1954-11-25 | Maybach Motorenbau G M B H | Adjustable storage of a gear within a housing |
JPS57161316A (en) * | 1981-03-27 | 1982-10-04 | Hitachi Zosen Corp | Adjusting device of power tramsmission shaft |
-
1993
- 1993-01-30 GB GB9301906A patent/GB9301906D0/en active Pending
-
1994
- 1994-01-28 WO PCT/GB1994/000179 patent/WO1994017319A1/en active Application Filing
- 1994-01-28 AU AU58902/94A patent/AU5890294A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE920642C (en) * | 1952-08-31 | 1954-11-25 | Maybach Motorenbau G M B H | Adjustable storage of a gear within a housing |
DE916984C (en) * | 1952-09-23 | 1954-08-23 | Maybach Motorenbau G M B H | Adjustable bearing of a gear |
JPS57161316A (en) * | 1981-03-27 | 1982-10-04 | Hitachi Zosen Corp | Adjusting device of power tramsmission shaft |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 7, no. 1 (M - 183) 6 January 1983 (1983-01-06) * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0935560A1 (en) * | 1996-10-15 | 1999-08-18 | Krones, Inc. | Apparatus for attaching literature to articles |
EP0935560A4 (en) * | 1996-10-15 | 2000-11-08 | Krones Ag | Apparatus for attaching literature to articles |
EP1098097A1 (en) * | 1999-11-03 | 2001-05-09 | A. Friedr. Flender Ag | Bearing bush and machine part for receiving it |
EP1215417A2 (en) * | 2000-12-13 | 2002-06-19 | SEW-EURODRIVE GMBH & CO. | A series of transmissions and a method for building the same |
EP1215417A3 (en) * | 2000-12-13 | 2005-01-19 | Sew-Eurodrive GmbH & Co. KG | A series of transmissions and a method for building the same |
WO2011104733A1 (en) * | 2010-02-25 | 2011-09-01 | Sidel S.P.A. Con Socio Unico | Labelling machine and relative manufacturing method |
CN102937178A (en) * | 2012-10-31 | 2013-02-20 | 中国北方发动机研究所(天津) | Gear axis position adjustable mechanism |
Also Published As
Publication number | Publication date |
---|---|
GB9301906D0 (en) | 1993-03-17 |
AU5890294A (en) | 1994-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0984845B1 (en) | Grinding machine | |
US4226150A (en) | Deflectable bearer roll | |
TW371703B (en) | Magnetic conveying apparatus, dynamic transmission of the magnetic conveying apparatus and the rotary driving mechanism | |
US9120588B2 (en) | Beverage bottle or container labeling device with a cutting unit and cutting unit for a beverage bottle or container labeling device | |
JPH07177725A (en) | Conveyer | |
CN101868652A (en) | Drive unit and chain transmission | |
GB1447421A (en) | Web slitting apparatus article | |
US11572214B1 (en) | Systems and methods for cutting label material | |
WO1994017319A1 (en) | Eccentric displacer for gears | |
GB2329604A (en) | Cutting mechanism for a thermal-shrinking film labelling machine | |
EP0500902B1 (en) | High-speed roller-way | |
US7665377B2 (en) | Cone and idler continuously variable transmission | |
US4771636A (en) | Transmission apparatus | |
KR930017686A (en) | Machines and methods for cutting rolls such as paper | |
CA2036470C (en) | Creasing and slitting machine for travelling webs | |
US5050720A (en) | Interchangeable feedscrew system | |
US5639083A (en) | Device for the delivery of folded products | |
US4501574A (en) | Transmission ratio variators | |
GB2082723A (en) | Variable oscillator drive mechanism | |
CN210648746U (en) | Cutting machine for cutting tubular pieces | |
DE19911074A1 (en) | Bottle labelling device has label position control which detects deviation of label from required position and sends signal to correcting device for labelling station and synchronisation of gripping cylinder and removal element | |
CN2635281Y (en) | Bar stock sand wheel shuttle reversing machine having flexible belt pressing driving device | |
US5183146A (en) | Vial or ampoule infeed conveyor mechanism | |
JPH06271056A (en) | Star wheel device | |
JPS61233245A (en) | Power transmission apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AT AU BB BG BR BY CA CH CN CZ DE DK ES FI GB HU JP KP KR KZ LK LU LV MG MN MW NL NO NZ PL PT RO RU SD SE SK UA US UZ VN |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: CA |