CN2894980Y - Balance tension device for generating book-pressing force for three-side book cutting machine - Google Patents
Balance tension device for generating book-pressing force for three-side book cutting machine Download PDFInfo
- Publication number
- CN2894980Y CN2894980Y CN 200620000143 CN200620000143U CN2894980Y CN 2894980 Y CN2894980 Y CN 2894980Y CN 200620000143 CN200620000143 CN 200620000143 CN 200620000143 U CN200620000143 U CN 200620000143U CN 2894980 Y CN2894980 Y CN 2894980Y
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- China
- Prior art keywords
- book
- swing arm
- spring
- pressing force
- cutting machine
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- 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.)
- Expired - Fee Related
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Abstract
A balanced pull device for the book press by the trihedral book cutting machine controls two swinging arms respectively through two cams arranged on the main shaft of the trihedral book cutting machine. The end of one swinging arm is connected with one end of a pre-pulled spring, and the end of the other swinging arm is connected with the other end of the pre-pulled spring. Specially design outlines of two cams control two swinging arms to conduct the special movement, and guarantee the invariable length of the pre-pulled spring during the running of the machine, therebywhich balances the pull which is driven to the book press block through a pull rod so as to realize the book pressing function.
Description
Affiliated technical field
The utility model relates to the balanced puller system that produces book-pressing force in a kind of three-knife trimming.
Background technology
At present, the known structure of device that produces book-pressing force in the three-knife trimming is to adopt a cam that spring is elongated, and forms that to make book pressing device push down a book to be cut behind enough pulling force folded.This book is folded be pushed away after, cam is retracting spring just, again spring is elongated then, forms that to make book pressing device push down book next to be cut behind enough pulling force folded.Book of just every pressure is folded, and this device will elongate spring retracting spring again then.This known structure has two shortcomings.The first, need provide the moment of the motor of machine power periodically to fluctuate widely, need very big moment when promptly elongating spring, and need very little moment even negative moment during retracting spring.Not only cause and select powerful motor for use but also make machine run not steady.The second, spring periodically repeatedly be subjected to the release that stretches, be easy to fatigue fracture.
Summary of the invention
For the device that overcomes existing generation book-pressing force in the three-knife trimming causes the jiggly shortcoming of machine run, reduce power of electric motor, prolong the life-span of spring, the utility model provides the balanced puller system that produces book-pressing force in a kind of three-knife trimming, the smoothness that this device not only has a machine in operation improves a lot, and can reduce power of electric motor, prolong the life-span of one of main consumable accessory-spring in the three-knife trimming.
The technical scheme that its technical problem that solves the utility model adopts is: two cams that are contained on the main shaft of three-knife trimming are controlled two swing arms respectively, the end of a swing arm connects mutually with an end of the spring of straining in advance, the end of another swing arm connects mutually with the other end of the spring of straining in advance, and two swing arms swings make book pressing device move up and down and press the book function so that finish during machine run.Special motion is done in two swing arms of contour shape control of two cams of particular design, guarantees that the spring of tension maintenance length is constant in advance in machine operation procedure.Like this, the required moment of motor only needs the frictional force balance with preloading spring formation, does not have the spring phenomenon that is subjected to stretching-release repeatedly.
The beneficial effects of the utility model are, not only make the required power of motor of machine obviously reduce (reducing by 25% approximately) but also the smoothness that has a machine in operation improves a lot.In addition, press the stroke of book also to shorten greatly.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a mechanism principle figure of the present utility model.
Among the figure, the 1-main cam, the 2-master pendulum arm, the 3-roller, 4-adjusts bolt, the little axle of 5-, 6-extension spring piece, 7-extension spring, the secondary swing arm of 8-, 9-roller, the secondary swing arm fulcrum of 10-, 11-auxiliary cam, 12-main shaft, 13-master pendulum arm fulcrum, 14-pull bar
The specific embodiment
Extension spring 7 is used for producing book-pressing force, adjusts bolt 4 and is used for regulating book-pressing force.Main cam 1 and auxiliary cam 11 are installed on the main shaft 12 of machine, and they rotate with machine shaft, thereby drive master pendulum arm 2 and secondary swing arm 8 swings, and plane motion is just carried out in extension spring 7.Because the profile of main cam 1 and auxiliary cam 11 is particular design, thereby has guaranteed any moment of machine operation procedure, the length of extension spring 7 all remains unchanged, the pulling force of promptly keeping in balance.The pulling force size of extension spring is regulated by the bolt 4 that passes extension spring piece 6.The effect of pull bar 14 is that pressure book slide block is passed in the motion of master pendulum arm 2 and power.When pressing the book slide block to push down book when folded, the gap appears between the roller 3 on the master pendulum arm 2 and the main cam 1, and the pulling force of extension spring just is applied to book and folds.
Master pendulum arm 2 is around the axle center of master pendulum arm fulcrum 13 reciprocally swinging, and secondary swing arm 8 is around the axle center of secondary swing arm fulcrum 10 reciprocally swinging, and master pendulum arm fulcrum 13 and secondary swing arm fulcrum 10 are fixed on the fuselage of machine.Master pendulum arm 2 all connects by little axle 5 and extension spring piece 6 with secondary swing arm 8.
Claims (2)
1. produce the balanced puller system of book-pressing force in the three-knife trimming, it is characterized in that: two cams that are contained on the main shaft of three-knife trimming are controlled two driven swing arms respectively, the end of a swing arm connects mutually with an end of the spring of straining in advance, and the end of another swing arm connects mutually with the other end of the spring of straining in advance.
2. produce the balanced puller system of book-pressing force in the three-knife trimming according to claim 1, it is characterized in that: master pendulum arm is around the axle center of master pendulum arm fulcrum reciprocally swinging, secondary swing arm is around the axle center of secondary swing arm fulcrum reciprocally swinging, master pendulum arm fulcrum and secondary swing arm fulcrum are fixed on the fuselage of machine, and master pendulum arm and secondary swing arm connect by little axle and extension spring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000143 CN2894980Y (en) | 2006-01-05 | 2006-01-05 | Balance tension device for generating book-pressing force for three-side book cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620000143 CN2894980Y (en) | 2006-01-05 | 2006-01-05 | Balance tension device for generating book-pressing force for three-side book cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2894980Y true CN2894980Y (en) | 2007-05-02 |
Family
ID=38064559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620000143 Expired - Fee Related CN2894980Y (en) | 2006-01-05 | 2006-01-05 | Balance tension device for generating book-pressing force for three-side book cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2894980Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862506A (en) * | 2014-03-05 | 2014-06-18 | 深圳市精密达机械有限公司 | Tri-surface book trimming machine book pressing mechanism without adjusting need |
| CN104785684A (en) * | 2015-03-28 | 2015-07-22 | 苏州德魁机械制造有限公司 | Square-opening spring port forming device |
-
2006
- 2006-01-05 CN CN 200620000143 patent/CN2894980Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862506A (en) * | 2014-03-05 | 2014-06-18 | 深圳市精密达机械有限公司 | Tri-surface book trimming machine book pressing mechanism without adjusting need |
| CN103862506B (en) * | 2014-03-05 | 2016-08-17 | 深圳市精密达机械有限公司 | A kind of three-knife trimming book pressing mechanism without adjusting |
| CN104785684A (en) * | 2015-03-28 | 2015-07-22 | 苏州德魁机械制造有限公司 | Square-opening spring port forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Huang Wei Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |