CN108679178B - Rubber band traction device and system - Google Patents
Rubber band traction device and system Download PDFInfo
- Publication number
- CN108679178B CN108679178B CN201810921001.8A CN201810921001A CN108679178B CN 108679178 B CN108679178 B CN 108679178B CN 201810921001 A CN201810921001 A CN 201810921001A CN 108679178 B CN108679178 B CN 108679178B
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- China
- Prior art keywords
- belt
- tensioning wheel
- section
- elastic
- traction
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/32—Supporting or driving arrangements for forwarding devices
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- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides an elastic band traction device which is used for driving an elastic band to do high-speed linear reciprocating motion so as to enable the elastic band to form an S shape, and comprises two belt pulleys, a belt, an active tensioning wheel, a passive tensioning wheel, a driving mechanism and a traction arm, wherein the belt is tensioned to form a first section of belt and a second section of belt which are spaced in parallel between the two belt pulleys, the active tensioning wheel and the passive tensioning wheel are arranged between the two belt pulleys, the first section of belt is meshed with the active tensioning wheel and the passive tensioning wheel respectively, one end of the traction arm is locked on the first section of belt through a locking mechanism, the elastic band passes through the other end of the traction arm, a yielding groove for the locking mechanism to pass through is formed in the side surfaces of the active tensioning wheel and the passive tensioning wheel, and the driving mechanism synchronously drives the two belt pulleys and the active tensioning wheel to rotate forwards and reversely. The invention also provides an elastic traction system. The invention reduces the inertia load of the belt, and the belt can realize high-speed stable operation with ultra-low inertia, thereby ensuring that the rubber band has attractive shape and convenient maintenance.
Description
Technical Field
The invention relates to an elastic traction device and an elastic traction system.
Background
Along with the rapid development of the disposable sanitary articles industry, the requirements of people on the disposable sanitary articles are higher and higher, the products are required to be attractive, and the wearing comfort is required to be improved, so that the rubber band in the disposable sanitary articles is generally S-shaped. In the existing rubber band traction device, a servo motor can be used for driving a belt to do high-speed linear reciprocating motion, so that a sliding block fixedly arranged on the belt is driven to do high-speed reciprocating motion, a rubber band traction arm is arranged on the sliding block and guides the rubber band to do linear reciprocating motion along with the sliding block, so that the rubber band forms an S shape, but in order to avoid the phenomenon that the motion track of the sliding block deviates from a preset phenomenon due to shaking of the belt during high-speed linear reciprocating motion, a linear guide rail capable of guiding the sliding block to do linear motion is required to be arranged, the linear guide rail is heavy, the inertial load of the belt is greatly increased, the high-speed operation with ultralow inertia cannot be achieved, the traction effect of the rubber band traction device is poor and easy to damage, and on the other hand, the belt tensioning adjustment of the existing rubber band traction device is inconvenient to maintain.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the elastic band traction device and the system, which lighten the inertia load of a belt, and the belt can realize high-speed stable operation with ultralow inertia, so that the shape of the elastic band is attractive and the maintenance is convenient.
The invention is realized by the following technical scheme:
the utility model provides an elastic traction device for drive the elastic and make high-speed straight reciprocating motion so that the elastic forms the S shape, including two belt pulleys, the belt, initiative take-up pulley, passive take-up pulley, actuating mechanism and trailing arm, the belt tensioning forms parallel spaced first section belt and second section belt between two belt pulleys, initiative take-up pulley and passive take-up pulley set up between two belt pulleys, first section belt respectively with initiative take-up pulley and passive take-up pulley meshing, trailing arm one end passes through locking mechanism and locks on first section belt, the elastic passes the trailing arm other end and arranges, initiative take-up pulley and passive take-up pulley side are provided with the recess of stepping down that supplies locking mechanism to pass through, actuating mechanism synchronous drive two belt pulleys and initiative take-up pulley forward and reverse rotation.
Further, the locking mechanism comprises a locking block arranged on the inner side of the first section of belt, a screw hole arranged on the locking block, two abdicating holes which are respectively arranged on the first section of belt and the traction arm and correspond to the screw hole, and a bolt which penetrates through the two abdicating holes and is locked in the screw hole, and the contact surface of the locking block and the first section of belt is provided with locking teeth matched with the belt.
Further, the driving tensioning wheel and the driven tensioning wheel both comprise two side wheels arranged at intervals, the two side wheels are respectively meshed with the first section of belt, the abdication groove is an interval between the two side wheels, and when the first section of belt reciprocates, the locking piece can pass through the abdication groove.
Further, a plurality of grooves are formed in the end portion of the locking block at intervals.
Further, the device also comprises a frame, and the belt pulley, the driving tensioning wheel, the driven tensioning wheel and the driving mechanism are all arranged on the frame.
Further, the driving mechanism comprises three servo motors which respectively and synchronously drive the two belt pulleys and the driving tensioning wheel.
Further, the traction arm comprises a vertical plate, a transverse plate and an inclined plate which is arranged between the vertical plate and the transverse plate and is inclined outwards, the abdication hole is formed in the vertical plate, and a through hole for the rubber band to pass through is formed in the transverse plate.
Further, the passive tensioning wheel is made of a lightweight material.
Further, the belt conveyor comprises two passive tensioning wheels, and the two passive tensioning wheels are respectively arranged between the active tensioning wheel and the two belt pulleys.
The invention is also realized by the following technical scheme:
the rubber band traction system comprises the two rubber band traction devices, wherein the two rubber band traction devices are arranged at intervals, the first sections of belts of the two rubber band traction devices are arranged oppositely, and traction arms of the two rubber band traction devices are arranged in a staggered mode.
The invention has the following beneficial effects:
1. the traction arm is locked on the first section of belt through the locking mechanism, so that the inertial load of the belt is reduced, the driving tensioning wheel and the driven tensioning wheel are arranged between the two belt pulleys, and the driving mechanism synchronously drives the belt pulleys and the driving tensioning wheel, so that the equivalent inertia is reduced, the belt can realize high-speed running with ultralow inertia, the belt tension is increased, the load brought by tensioning to the belt is reduced, the stability of the belt in high-speed variable acceleration motion is ensured, namely, the traction arm is ensured not to shake, the shape of an elastic band is attractive, and the driving tensioning wheel and the driven tensioning wheel are arranged to enable the belt tension to be more convenient to adjust and facilitate maintenance; the side surfaces of the driving tensioning wheel and the driven tensioning wheel are provided with the abdicating grooves, and when the belt moves in a reciprocating mode at a high speed, the locking mechanism can pass through the grooves, so that the locking mechanism is prevented from being clamped with the driving tensioning wheel and the driven tensioning wheel, and the rubber band traction device works normally.
2. The locking mechanism is simple in structure, exquisite and portable, greatly reduces the inertial load of the belt, and is beneficial to high-speed stable operation of the belt.
3. The end part of the locking block is provided with a plurality of grooves at intervals, so that the weight of the locking block is reduced, and the inertia load of the belt is further reduced.
4. The passive tensioning wheel is made of light materials, so that the belt tension is increased, equivalent inertia is reduced, and accurate position response of the driving mechanism at high speed is ensured.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an elastic traction device of the present invention.
Fig. 2 is a schematic structural view of the elastic traction device of the present invention (with the frame and the servo motor removed).
Fig. 3 is a schematic structural view of the elastic traction system of the present invention.
Wherein, 1, the frame; 2. a belt pulley; 3. a belt; 31. a first belt segment; 32. a second belt section; 4. an active tensioning wheel; 41. a side wheel; 5. a passive tensioning wheel; 51. a side wheel; 6. a servo motor; 7. a traction arm; 71. a riser; 72. a cross plate; 73. a sloping plate; 74. a through hole; 8. a locking mechanism; 81. a locking piece; 82. a bolt; 83. a groove.
Detailed Description
As shown in fig. 1 to 3, the elastic traction system includes two elastic traction devices, the elastic traction devices are used for driving the elastic to perform high-speed linear reciprocating motion so that the elastic forms an S shape, the elastic traction system includes a frame 1, two belt pulleys 2, a belt 3, a driving tensioning pulley 4, two driven tensioning pulleys 5, a driving mechanism and a traction arm 7, the belt pulleys 2, the driving tensioning pulley 4, the driven tensioning pulley 5 and the driving mechanism are all arranged on the frame 1, the belt 3 is tensioned between the two belt pulleys 2 to form a first section belt 31 and a second section belt 32 which are parallel and spaced, the driving tensioning pulley 4 is arranged between the two belt pulleys 2, the two driven tensioning pulleys 5 are respectively arranged between the driving tensioning pulley 4 and the two belt pulleys 2, the first section belt 31 is respectively meshed with the driving tensioning pulley 4 and the driven tensioning pulley 5, one end of the traction arm 7 is locked on the first section belt 31 through a locking mechanism 8, the elastic passes through the other end of the traction arm 7, the driving tensioning pulley 4 and the side surface of the driven tensioning pulley 5 is provided with a stepping groove for the driving mechanism 8 to pass through, and the driving mechanism synchronously drives the two belt pulleys 2 and the driving tensioning pulley 4 to rotate positively and reversely.
The driving tensioning wheel 4 comprises two wheels 41 which are arranged at intervals, the two driven tensioning wheels 5 comprise two wheels 51 which are arranged at intervals, the wheels 41 and 51 are respectively meshed with the first section of belt 31, the abdication groove of the driving tensioning wheel 4 is the interval between the two wheels 41, and the abdication groove of the driven tensioning wheel 5 is the interval between the two wheels 51.
The locking mechanism 8 comprises a locking block 81 arranged on the inner side of the first section belt 31, a screw hole arranged on the locking block 81, two abdicating holes which are respectively arranged on the first section belt 31 and the traction arm 7 and correspond to the screw hole, and a bolt 82 which passes through the two abdicating holes and is locked in the screw hole, the contact surface of the locking block 81 and the first section belt 31 is provided with locking teeth matched with the belt 3, and a plurality of grooves 83 are formed in the end part of the locking block 81 at intervals.
The driving mechanism comprises three servo motors 6 which respectively and synchronously drive the two belt pulleys 2 and the driving tensioning wheel 4.
The traction arm 7 comprises a vertical plate 71, a transverse plate 72 and an inclined plate 73 which is arranged between the vertical plate 71 and the transverse plate 72 and is inclined outwards, the vertical plate 71 is arranged in parallel with the belt 3, the yielding hole is arranged on the vertical plate 71, and a through hole 74 for the rubber band to pass through is arranged on the transverse plate 72.
The passive tensioner 5 is made of a lightweight material such as an aluminum alloy or as-cast nylon.
The two traction devices of the rubber band traction system are arranged at intervals, the first sections of belts 31 of the two rubber band traction devices are arranged oppositely, and traction arms 7 of the two rubber band traction devices are arranged in a staggered mode, so that the rubber band traction system can traction two groups of rubber bands simultaneously.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the invention.
Claims (9)
1. The utility model provides an elastic traction device for drive the elastic and make the elastic form S shape with high-speed straight reciprocating motion, its characterized in that: the belt tensioning device comprises two belt pulleys, a belt, an active tensioning wheel, a passive tensioning wheel, a driving mechanism and a traction arm, wherein the belt tensioning forms a first section of belt and a second section of belt which are parallel to each other between the two belt pulleys, the active tensioning wheel and the passive tensioning wheel are arranged between the two belt pulleys, the first section of belt is respectively meshed with the active tensioning wheel and the passive tensioning wheel, one end of the traction arm is locked on the first section of belt through a locking mechanism, the rubber string passes through the other end of the traction arm and is arranged, the side surfaces of the active tensioning wheel and the passive tensioning wheel are provided with abdication grooves for the locking mechanism to pass through, and the driving mechanism synchronously drives the two belt pulleys and the active tensioning wheel to rotate positively and negatively; the locking mechanism comprises a locking block arranged on the inner side of the first section of belt, a screw hole arranged on the locking block, two abdicating holes which are respectively arranged on the first section of belt and the traction arm and correspond to the screw hole, and a bolt which penetrates through the two abdicating holes and is locked in the screw hole, and the contact surface of the locking block and the first section of belt is provided with locking teeth matched with the belt.
2. An elastic traction device according to claim 1, wherein: the driving tensioning wheel and the driven tensioning wheel comprise two side wheels which are arranged at intervals, the two side wheels are respectively meshed with the first section of belt, the abdication groove is the interval between the two side wheels, and when the first section of belt reciprocates, the locking piece can pass through the abdication groove.
3. An elastic traction device according to claim 1 or 2, characterized in that: a plurality of abdication grooves are formed in the end portion of the locking block at intervals.
4. An elastic traction device according to claim 1 or 2, characterized in that: still include the frame, belt pulley, initiative take-up pulley, passive take-up pulley and actuating mechanism all set up in the frame.
5. An elastic traction device according to claim 1 or 2, characterized in that: the driving mechanism comprises three servo motors which respectively and synchronously drive the two belt pulleys and the driving tensioning wheel.
6. An elastic traction device according to claim 1 or 2, characterized in that: the traction arm comprises a vertical plate, a transverse plate and an inclined plate which is arranged between the vertical plate and the transverse plate and is inclined outwards, the abdication hole is formed in the vertical plate, and a through hole for the rubber band to pass through is formed in the transverse plate.
7. An elastic traction device according to claim 1 or 2, characterized in that: the passive tensioning wheel is made of a lightweight material.
8. An elastic traction device according to claim 1 or 2, characterized in that: the belt pulley driving device comprises two driven tensioning pulleys, wherein the two driven tensioning pulleys are respectively arranged between the driving tensioning pulleys and the two belt pulleys.
9. An elastic traction system, characterized in that: comprising two elastic traction devices according to any one of claims 1-8, wherein the two elastic traction devices are arranged at intervals, the first section belts of the two elastic traction devices are arranged oppositely, and traction arms of the two elastic traction devices are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921001.8A CN108679178B (en) | 2018-08-14 | 2018-08-14 | Rubber band traction device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921001.8A CN108679178B (en) | 2018-08-14 | 2018-08-14 | Rubber band traction device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108679178A CN108679178A (en) | 2018-10-19 |
| CN108679178B true CN108679178B (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810921001.8A Active CN108679178B (en) | 2018-08-14 | 2018-08-14 | Rubber band traction device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679178B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851611U (en) * | 2010-10-29 | 2011-06-01 | 江苏理文造纸有限公司 | Belt pulley tensioning device |
| DE102011007155A1 (en) * | 2011-04-11 | 2012-10-11 | Schaeffler Technologies Gmbh & Co. Kg | Clamping rail for traction drive of internal combustion engine, is rotatably mounted around longitudinal axis and has recess, by which pivot axis extends centrally, where clamping rail is designed for deflecting traction unit |
| CN202579855U (en) * | 2012-05-09 | 2012-12-05 | 东风康明斯发动机有限公司 | Tensioning wheel assembly with concave structure |
| CN203585239U (en) * | 2013-12-16 | 2014-05-07 | 重庆鑫源农机股份有限公司 | Tensioning wheel for belt transmission of mini-tiller |
| CN203822978U (en) * | 2014-04-18 | 2014-09-10 | 云南通变电器配件有限公司 | Engine fan belt idler |
| CN105485274A (en) * | 2014-10-02 | 2016-04-13 | 伊威斯发动机系统有限责任两合公司 | Tensioning or guide rail having a continuous recessed sliding body |
| CN206014033U (en) * | 2016-08-31 | 2017-03-15 | 晋江市海纳机械股份有限公司 | A kind of speed change indexing conveying device |
| CN107949357A (en) * | 2015-09-29 | 2018-04-20 | 株式会社瑞光 | The manufacture device and manufacture method of disposable shorts |
| DE102017111948A1 (en) * | 2017-01-24 | 2018-07-26 | Schaeffler Technologies AG & Co. KG | Transport lock for a hydraulic tensioning device |
| CN208686905U (en) * | 2018-08-14 | 2019-04-02 | 晋江海纳机械有限公司 | A kind of elastic traction device and system |
-
2018
- 2018-08-14 CN CN201810921001.8A patent/CN108679178B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201851611U (en) * | 2010-10-29 | 2011-06-01 | 江苏理文造纸有限公司 | Belt pulley tensioning device |
| DE102011007155A1 (en) * | 2011-04-11 | 2012-10-11 | Schaeffler Technologies Gmbh & Co. Kg | Clamping rail for traction drive of internal combustion engine, is rotatably mounted around longitudinal axis and has recess, by which pivot axis extends centrally, where clamping rail is designed for deflecting traction unit |
| CN202579855U (en) * | 2012-05-09 | 2012-12-05 | 东风康明斯发动机有限公司 | Tensioning wheel assembly with concave structure |
| CN203585239U (en) * | 2013-12-16 | 2014-05-07 | 重庆鑫源农机股份有限公司 | Tensioning wheel for belt transmission of mini-tiller |
| CN203822978U (en) * | 2014-04-18 | 2014-09-10 | 云南通变电器配件有限公司 | Engine fan belt idler |
| CN105485274A (en) * | 2014-10-02 | 2016-04-13 | 伊威斯发动机系统有限责任两合公司 | Tensioning or guide rail having a continuous recessed sliding body |
| CN107949357A (en) * | 2015-09-29 | 2018-04-20 | 株式会社瑞光 | The manufacture device and manufacture method of disposable shorts |
| CN206014033U (en) * | 2016-08-31 | 2017-03-15 | 晋江市海纳机械股份有限公司 | A kind of speed change indexing conveying device |
| DE102017111948A1 (en) * | 2017-01-24 | 2018-07-26 | Schaeffler Technologies AG & Co. KG | Transport lock for a hydraulic tensioning device |
| CN208686905U (en) * | 2018-08-14 | 2019-04-02 | 晋江海纳机械有限公司 | A kind of elastic traction device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108679178A (en) | 2018-10-19 |
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