CN107932888B - Phase-adjustable transmission device - Google Patents
Phase-adjustable transmission device Download PDFInfo
- Publication number
- CN107932888B CN107932888B CN201711082179.XA CN201711082179A CN107932888B CN 107932888 B CN107932888 B CN 107932888B CN 201711082179 A CN201711082179 A CN 201711082179A CN 107932888 B CN107932888 B CN 107932888B
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- China
- Prior art keywords
- transmission
- plate
- outer sleeve
- safety pin
- travel switch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a phase-adjustable transmission device, which comprises a travel switch, a flat key, a pressure plate, a safety pin, a collision plate, a spring, an outer sleeve, an upper transmission plate, a lower transmission plate and a chain wheel, wherein one end of the travel switch is fixed on a support, the other end of the travel switch is lapped on the collision plate, the flat key is arranged on the outer sleeve, the outer sleeve drives the upper transmission plate to rotate through the flat key, the pressure plate is pressed on the collision plate, the outer sleeve is connected with a transmission shaft of a speed reducer through the safety pin, the collision plate is connected on the upper transmission plate through a bolt, the spring is arranged on the bolt between the collision plate and the upper transmission plate, the lower part of the upper transmission plate is meshed with the upper part of the lower transmission plate through trapezoidal teeth, the lower part of the lower transmission plate is meshed with the upper part of the chain wheel through the trapezoidal teeth, and the number of meshing teeth between the upper transmission plate and the lower transmission plate is different from the number of meshing teeth between the lower transmission plate and the chain wheel. The phase-adjustable transmission device adopts the trapezoidal tooth difference to adjust the phase, is accurate and reliable, has simple structure and convenient operation, is provided with the safety pin, and more effectively protects equipment.
Description
Technical Field
The invention relates to a phase adjusting device for a plastic synchronous stretcher, in particular to a phase adjustable transmission device.
Background
The synchronous stretcher has the advantages that the plastic film is stretched synchronously in two directions, so that the tensile strength of the film is improved, the comprehensive performance of puncture resistance and the like is improved, the longitudinal stretching of the film is realized by gradually opening the clips in the stretching process, the opening state is changed into the closing state in the process from the fast wheel to the slow wheel of the inlet clip of the synchronous stretcher, and the clip is complex to operate in the process, so that if the phases of the fast wheel and the slow wheel are not proper, the clip and the slow wheel are extremely easily clamped, so that the damage to the stretcher is caused.
Disclosure of Invention
The invention aims to provide a phase-adjustable transmission device which can be used for phase adjustment, is accurate and reliable, has a simple structure and is convenient to operate.
The technical scheme adopted by the invention for realizing the purpose is as follows: the utility model provides an adjustable transmission in phase, includes travel switch, parallel key, clamp plate, safety pin, hits board, spring, overcoat, transmission hanging wall, transmission lower wall and sprocket, travel switch one end is fixed on the support, and the other end is taken on hitting the board, the parallel key is installed on the overcoat, the overcoat drives the transmission hanging wall through the parallel key and rotates, the clamp plate is pressed on hitting the board, the overcoat passes through the safety pin and is connected with the transmission shaft of reduction gear, it passes through bolted connection on the transmission hanging wall to hit the board, the spring mounting hits on hitting the bolt between board and the transmission hanging wall, trapezoidal tooth meshing is passed through with the upper portion of transmission lower wall to the lower part of transmission hanging wall, trapezoidal tooth meshing is passed through with the upper portion of sprocket to the lower part of transmission lower wall, the meshing number of teeth between transmission hanging wall and the transmission lower wall is different with the meshing number of teeth between transmission lower wall and the sprocket.
The transmission device utilizes twice trapezoidal tooth meshing to carry out power transmission, and phase adjustment is carried out through meshing tooth number difference.
The pressing plate is in a quincuncial shape and rotates along with a transmission shaft of the speed reducer.
The outer sleeve is connected with a transmission shaft of the speed reducer through the safety pin, the inner sleeve is installed on the transmission shaft of the speed reducer, and when the safety pin is broken, the outer sleeve and the inner sleeve fixed on the transmission shaft rotate relatively.
When the safety pin is broken, the transmission shaft of the speed reducer drives the quincunx pressing plate to be separated from the collision plate, the collision plate bounces upwards under the action of the spring to press the travel switch downwards, and the main motor is stopped.
The phase-adjustable transmission device adopts the trapezoidal tooth difference to adjust the phase, is accurate and reliable, has a simple structure and convenient operation, is provided with the safety pin, and when the equipment is abnormally overloaded, the pressure plate is separated from the striking plate after the safety pin is sheared off, and the striking plate presses the travel switch to stop the main motor, thereby more effectively protecting the equipment.
Drawings
Fig. 1 is a schematic structural diagram of a phase adjustable transmission device according to the present invention.
In the figure: 1. a travel switch; 2. a gland; 3. a flat bond; 4. locking the nut; 5. pressing a plate; 6. a shear pin; 7. an inner sleeve; 8. a striking plate; 9. a spring; 10. a jacket; 11. a transmission upper disc; 12. a transmission lower disc; 13. and a sprocket.
Detailed Description
As shown in fig. 1, the phase adjustable transmission device includes a travel switch 1, a press cover 2, a flat key 3, a press plate 5, a safety pin 6, an inner sleeve 7, a striking plate 8, a spring 9, an outer sleeve 10, an upper transmission plate 11, a lower transmission plate 12 and a chain wheel 13, wherein one end of the travel switch 1 is fixed on a bracket, the other end is lapped on the striking plate 8, the press cover 2 is pressed on the upper transmission plate 11 through a lock nut 4, the flat key 3 is installed on the outer sleeve 10, the outer sleeve 10 drives the upper transmission plate 11 to rotate through the flat key 3, the press plate 5 is pressed on the striking plate 8, the press plate 5 is in a quincunx shape and rotates along with the transmission shaft of the reducer, the outer sleeve 10 is connected with the transmission shaft of the reducer through the safety pin 6, the inner sleeve 7 is arranged between the outer sleeve 10 and the transmission shaft of the reducer, the striking plate 8 is connected with the upper transmission plate 11 through a bolt, the spring 9 is installed on the bolt between the striking plate 8 and the upper transmission plate 11, the lower part of the upper transmission plate 11 is engaged with the upper transmission plate 12 through trapezoidal teeth, the lower part of the lower transmission disc 12 is meshed with the upper part of the chain wheel 13 through trapezoidal teeth, the number of meshing teeth between the upper transmission disc and the lower transmission disc is different from the number of meshing teeth between the lower transmission disc and the chain wheel, when the phase of the chain wheel 13 needs to be adjusted, firstly, the chain wheel 13 is in a free state, the chain wheel 13 is driven by a clamp to find a proper position for positioning, then, the vertical surfaces of the trapezoidal teeth are completely meshed by respectively rotating the lower transmission disc 12 and the upper transmission disc 11, then, the gland 2, the locking nut 4, the travel switch 1 and the like are installed, the transmission shaft of the reducer drives the outer sleeve 10 to rotate through the safety pin 6, the outer sleeve 10 drives the upper transmission disc 11 through the flat key 3, the upper transmission disc 11 drives the lower transmission disc 12 through the trapezoidal teeth, the lower transmission disc 12 drives the chain wheel 13 to rotate through the trapezoidal teeth, the chain wheel 13 drives the clamp to run on the track through the chain, when the clamp runs abnormally and is overloaded, the safety pin 6 is cut off, the outer sleeve 10, the upper transmission disc 11, the lower transmission disc 12 and the chain wheel all stop, the transmission shaft of the speed reducer drives the pressing plate 5 to continue rotating and separate from the collision plate 8, the collision plate 8 bounces upwards under the action of the spring 9 to press down the travel switch 1, and the equipment is stopped in time.
The phase-adjustable transmission device adopts the trapezoidal tooth difference to adjust the phase, is accurate and reliable, has simple structure and convenient operation, is provided with the safety pin, and when the load is overlarge due to the abnormality of equipment, the pressure plate is separated from the collision plate after the safety pin is sheared off, and the collision plate presses down the travel switch, so that the main motor is stopped, and the equipment is more effectively protected.
Claims (3)
1. A phase adjustable transmission, characterized in that: the travel switch comprises a travel switch, a flat key, a pressing plate, a safety pin, a collision plate, a spring, an outer sleeve, a transmission upper plate, a transmission lower plate and a chain wheel, wherein one end of the travel switch is fixed on a support, the other end of the travel switch is lapped on the collision plate, the flat key is installed on the outer sleeve, the outer sleeve drives the transmission upper plate to rotate through the flat key, the pressing plate is pressed on the collision plate, the outer sleeve is connected with a transmission shaft of a speed reducer through the safety pin, the collision plate is connected on the transmission upper plate through a bolt, the spring is installed on the bolt between the collision plate and the transmission upper plate, the lower part of the transmission upper plate is meshed with the upper part of the transmission lower plate through trapezoidal teeth, the lower part of the transmission lower plate is meshed with the upper part of the chain wheel through trapezoidal teeth, the number of meshing teeth between the transmission upper plate and the transmission lower plate is different from that between the transmission lower plate and the chain wheel, the pressing plate is in a quincunx shape and rotates along with the transmission shaft of the speed reducer, when the safety pin is broken, the transmission shaft of the speed reducer drives the quincunx pressing plate to be separated from the collision plate, the collision plate bounces upwards under the action of the spring to press the travel switch downwards, and the main motor is stopped.
2. A phase adjustable transmission according to claim 1, wherein: the transmission device utilizes twice trapezoidal tooth meshing to carry out power transmission, and phase adjustment is carried out through meshing tooth number difference.
3. A phase adjustable transmission according to claim 1, wherein: the outer sleeve is connected with a transmission shaft of the speed reducer through the safety pin, the inner sleeve is installed on the transmission shaft of the speed reducer, and when the safety pin is broken, the outer sleeve and the inner sleeve fixed on the transmission shaft rotate relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082179.XA CN107932888B (en) | 2017-11-07 | 2017-11-07 | Phase-adjustable transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082179.XA CN107932888B (en) | 2017-11-07 | 2017-11-07 | Phase-adjustable transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107932888A CN107932888A (en) | 2018-04-20 |
| CN107932888B true CN107932888B (en) | 2022-05-13 |
Family
ID=61934406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711082179.XA Active CN107932888B (en) | 2017-11-07 | 2017-11-07 | Phase-adjustable transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107932888B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068169U (en) * | 1990-02-27 | 1990-12-26 | 苏州市通达链条输送机厂 | Single-stage driving adjustable safety clutch |
| CN2768480Y (en) * | 2005-02-05 | 2006-04-05 | 长沙卷烟厂 | Flattening disc driving system overload protector |
| JP4988010B2 (en) * | 2010-06-11 | 2012-08-01 | 株式会社椿本チエイン | Chain transmission |
| CN202163092U (en) * | 2011-07-28 | 2012-03-14 | 潍坊东航印刷科技股份有限公司 | Transmission device capable of realizing gravure roller phase synchronism |
| CN203959398U (en) * | 2014-07-23 | 2014-11-26 | 车秋皇 | In window adhering machine with the conveying mechanism of phase adjusting device |
| CN206494424U (en) * | 2017-02-24 | 2017-09-15 | 华北理工大学 | Scraper chain adjusting means |
-
2017
- 2017-11-07 CN CN201711082179.XA patent/CN107932888B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107932888A (en) | 2018-04-20 |
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