CN2900154Y - Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine - Google Patents
Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine Download PDFInfo
- Publication number
- CN2900154Y CN2900154Y CNU2006201042943U CN200620104294U CN2900154Y CN 2900154 Y CN2900154 Y CN 2900154Y CN U2006201042943 U CNU2006201042943 U CN U2006201042943U CN 200620104294 U CN200620104294 U CN 200620104294U CN 2900154 Y CN2900154 Y CN 2900154Y
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- China
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- making machine
- driving wheel
- driven pulley
- bag making
- bag material
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Abstract
The utility model relates to a transmission speed changing mechanism for the balance-type cutting with the transmission ration change for bag making machine, which comprises a bag material feeding unit driven by a driving wheel and a cutter driven by a driven wheel. The driving and driven wheels are configured in the shape of oblong gear wheel; the geometrical dimension of the driving and driven wheels responds to each other; the serrate parameter, the rotary axis and geometrical axis of the driving and driven wheels all identify with each other. The utility model is able to maintain the technical parameter of the original speed change mechanism and generally eliminate the mechanical noise and vibration. Besides, the utility model, which is able to promote the cutting speed, can enhance the production efficiency of the production line.
Description
Technical field
The utility model relates to a kind of gear, is meant that especially a kind of balanced type variable ratio of Bag Making Machine cuts transmission shifting mechanism.The driven pulley that driving wheel that control Bag Making Machine Bag Material advances and control cut Bag Material, the axis of rotation of its driving wheel and driven pulley is inequality with how much axle center, reach the requirement that changes gearratio, carry out purpose that Bag Material is cut when suitable thereby be implemented in transmission speed.
Background technology
At present, existing Bag Making Machine generally is made up of feeding mechanism, preparing mechanism, cutting mechanism, wrapping mechanism, please refer to the driven pulley that driving wheel that the control Bag Material of the existing cutting mechanism of Fig. 1 advances and control cut Bag Material, its axis of rotation and how much axle center distribution maps inequality, the following expression of its gearratio:
In the formula: r1 and r2 are the instantaneous vector radius of two-wheeled with the fast locus of points
ψ 1 and ψ 2 are the corner of two-wheeled
Its cutting mechanism feeds parts by driving wheel 1 drive Bag Material and driven pulley 2 drive cutting knifes constitute, the driving wheel 1 that the control Bag Material of its cutting mechanism advances is two Knucle-gears with the driven pulley 2 that control cuts Bag Material, the axis of rotation 3,4 of two gears and how much axle center are inequality, cut Bag Material in the operation and carry motion transmission between power transmission shaft and cut-off knife power transmission shaft, the general drive mechanism that all adopts variable ratio.The drive mechanism of existing variable ratio is when accelerating speed of cut, because there is uneven inertia in mechanism arrangement, the serious vibration that cutting mechanism occurs has influenced running up of equipment, along with the raising of productivity ratio, the noise that produces during work sharply increases, and reaches the degree that is detrimental to health; The raising of print speed printing speed requires speed of cut to improve synchronously simultaneously, but the drive mechanism of existing cutting mechanism has restricted the raising of speed of cut, thereby has influenced the efficient of whole production line.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and provides a kind of balanced type variable ratio of Bag Making Machine to cut the product of transmission shifting mechanism, the utility model is not changing under original situation that cuts technological parameter, overcome the shortcoming of existing drive mechanism device, provide a kind of balanced type variable ratio to cut transmission shifting mechanism.
The purpose of this utility model can reach by following measure: a kind of balanced type variable ratio of Bag Making Machine cuts transmission shifting mechanism, drives Bag Material by driving wheel and feeds parts and driven pulley and drive cutting knife and constitute, and its driving wheel and driven pulley are elliptic gear;
The physical dimension symmetry of its driving wheel and driven pulley, tooth profile parameter is identical;
The axis of rotation of its driving wheel and driven pulley is identical with how much axle center.
The utility model has following advantage compared to existing technology:
Do not change the speed of cut with respect to Bag Material of cut-off knife when work, promptly keep technological parameter constant;
By theory analysis as can be known, this gear constitutes a balanced system of force, has overcome the shortcoming of original off-centre operation generating gear, has eliminated mechanical noise and vibrations basically;
This gear can improve speed of cut, has overcome the bottleneck that Bag Making Machine is boosted productivity, thereby has improved Production Line efficient.
Description of drawings
Driving wheel that the control Bag Material of the existing cutting mechanism of Fig. 1 advances and control cut the driven pulley of Bag Material, its axis of rotation and how much axle center distribution maps inequality;
Driving wheel that the control Bag Material of Fig. 2 the utility model cutting mechanism advances and control cut the driven pulley of Bag Material, its axis of rotation and how much identical distribution maps in axle center;
Fig. 3 elliptic gear X axis and in Y-axis to the focus point distribution map.
The figure number explanation
1 ... the driving wheel that existing control Bag Material advances
2 ... existing control cuts the driven pulley of Bag Material
3 ... the driving wheel axis of rotation that existing control Bag Material advances
4 ... existing control cuts the driven pulley axis of rotation of Bag Material
5 ... the driving wheel that the control Bag Material advances
6 ... control cuts the driven pulley of Bag Material
7 ... driving wheel axis of rotation and geometric center that the control Bag Material advances
8 ... control cuts the driven pulley axis of rotation and the geometric center of Bag Material
The specific embodiment
In the production process of packaging bag, the mechanism for implementing Bag Material cut separation, it is the important process step in the bag process, it is directly connected to the efficient of whole production line, continuous progress along with printing technology, the package packing machine running speed is more and more higher, and existing cutting mechanism adaptability still remains further to study and improve.
Please refer to the driven pulley that driving wheel that the control Bag Material of Fig. 2 the utility model cutting mechanism advances and control cut Bag Material, its axis of rotation and how much identical distribution maps in axle center, its cutting mechanism feeds parts by driving wheel 5 drive Bag Materials and driven pulley 6 drive cutting knifes constitute, the utility model is not changing under original situation that cuts technological parameter, overcome the shortcoming of existing drive mechanism device, provide a kind of variable ratio of balanced type to cut transmission shifting mechanism, in the utility model, variable ratio adopts the bielliptic(al) gear to realize, balance then adopts the symmetric form design, the elliptic gear pivot overlaps with geometric center, mechanism structure compactness, balance easily.
Carry out concrete theory analysis below:
Two identical elliptic gears among the figure, promptly control the driven pulley 6 that driving wheel 5 that Bag Material advances and control cut Bag Material, driving wheel axis of rotation that its control Bag Material separately advances and geometric center 7 and control cut the driven pulley axis of rotation and the geometric center 8 of Bag Material, with separately same geometric center and pivot rotation, its center distance A equals two instantaneous vector radius sums;
Be A=r1+r2
When the two-wheeled engaged transmission, its point of contact is instantaneous working pitch point, and it is positioned on the two-wheeled line of centres, and at this moment the instantaneous transmission ratio of two-wheeled is:
In the formula: r1 and r2 are the instantaneous vector radius of two-wheeled with the fast locus of points
ψ 1 and ψ 2 are the corner of two-wheeled
The pitch curve of elliptic gear is made up of the curved section of the congruence that periodically repeats, so its gearratio is periodically variable.
Find out by the gearratio formula, still the driving wheel that advances with the control Bag Material of original cutting mechanism and control cut identical (the existing gearratio formula of driven pulley gearratio formula of Bag Material, please refer to the prior art part), the ratio of two instantaneous vector radiuses that is chosen at position, cut-off knife operating point is identical, do not change the speed of cut with respect to Bag Material of cut-off knife when work, promptly keep technological parameter constant.
Please referring to Fig. 3 elliptic gear X axis and in Y-axis to the focus point distribution map, the geometric center of elliptic gear overlaps with pivot, it is at two focus point Gx1 of X axis, Gx2 and its Y-axis to two focus point Gy1, Gy2 is symmetrically distributed, and according to the equilibrium condition of plane concurrent force system as can be known, its corresponding centrifugal intertia force ∑ Pi sum equals zero, thereby constitute a balanced system of force, overcome the shortcoming of original off-centre operation generating gear.
It is constant with former gear technological parameter that this gear can keep, and constitutes a balanced system of force, eliminated mechanical noise and vibrations basically, and this gear can improve speed of cut, thereby has improved Production Line efficient.
Claims (3)
1, a kind of balanced type variable ratio of Bag Making Machine cuts transmission shifting mechanism, drives Bag Material by driving wheel and feeds parts and driven pulley and drive cutting knife and constitute, and it is characterized in that: its driving wheel and driven pulley are elliptic gear.
2, the balanced type variable ratio of a kind of Bag Making Machine as claimed in claim 1 cuts transmission shifting mechanism, it is characterized in that: the physical dimension symmetry of its driving wheel and driven pulley, tooth profile parameter is identical.
3, the balanced type variable ratio of a kind of Bag Making Machine as claimed in claim 1 or 2 cuts transmission shifting mechanism, it is characterized in that: the axis of rotation of its driving wheel and driven pulley is identical with how much axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201042943U CN2900154Y (en) | 2006-05-31 | 2006-05-31 | Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201042943U CN2900154Y (en) | 2006-05-31 | 2006-05-31 | Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2900154Y true CN2900154Y (en) | 2007-05-16 |
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ID=38084320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201042943U Expired - Fee Related CN2900154Y (en) | 2006-05-31 | 2006-05-31 | Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2900154Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797815A (en) * | 2009-02-05 | 2010-08-11 | 时云庆 | Elliptical gear device for adjusting cutting knife of three-dimensional bag roll paper |
| CN105839383A (en) * | 2016-05-16 | 2016-08-10 | 长兴诺英五金工具有限公司 | Novel slitting device |
| WO2018001117A1 (en) * | 2016-06-29 | 2018-01-04 | 黄山富田精工制造有限公司 | Variable-speed cutting apparatus for absorbent articles |
-
2006
- 2006-05-31 CN CNU2006201042943U patent/CN2900154Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797815A (en) * | 2009-02-05 | 2010-08-11 | 时云庆 | Elliptical gear device for adjusting cutting knife of three-dimensional bag roll paper |
| CN105839383A (en) * | 2016-05-16 | 2016-08-10 | 长兴诺英五金工具有限公司 | Novel slitting device |
| CN105839383B (en) * | 2016-05-16 | 2018-08-03 | 浙江品创知识产权服务有限公司 | A kind of cutting device |
| WO2018001117A1 (en) * | 2016-06-29 | 2018-01-04 | 黄山富田精工制造有限公司 | Variable-speed cutting apparatus for absorbent articles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Pingyang Boson Printing Machinery Co., Ltd. Assignor: Lin Xuanxi Contract record no.: 2012330000210 Denomination of utility model: Balance type variable driving ratio cutting driving speed changing mechanism for bag making machine Granted publication date: 20070516 License type: Exclusive License Record date: 20120426 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070516 Termination date: 20130531 |