CN204802694U - Film unwinding mechanism - Google Patents
Film unwinding mechanism Download PDFInfo
- Publication number
- CN204802694U CN204802694U CN201520454413.7U CN201520454413U CN204802694U CN 204802694 U CN204802694 U CN 204802694U CN 201520454413 U CN201520454413 U CN 201520454413U CN 204802694 U CN204802694 U CN 204802694U
- Authority
- CN
- China
- Prior art keywords
- swing arm
- film
- unreeling
- thin
- unreel
- Prior art date
- 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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- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The utility model discloses a film unwinding mechanism, including unreeling the frame and unreeling a support, its characterized in that: unreel a bearing installation in the upper end of swing arm, the lower extreme of swing arm through the oscillating axle with unreel hinged rack and be connected, the swing of swing arm is promoted by worm wheel lead screw riser, worm wheel lead screw riser is connected with the servo motor transmission, one side of swing arm lower extreme is equipped with overhanging bridging piece, installs guide roller on the overhanging bridging piece, and guide roller rolls and establishes in the direction spout, and the direction spout is seted up on the both sides wallboard that unreels the frame. The utility model discloses can realize the tension control that stabilizes the when film unreels, improve the film and unreel the quality.
Description
[technical field]
The utility model relates to a kind of thin-film unreeling mechanism.
[background technology]
On bag-making equipment and a lot of packaging facilities, all can use thin-film unreeling mechanism, the effect of thin-film unreeling mechanism is sent outward from unreeling shaft by film coiled strip.The major defect that prior art thin-film unreeling mechanism exists is, tension force during thin-film unreeling not easily stability contorting, impact unreels quality, and thin-film unreeling tension force easily makes deformation of thin membrane too greatly, thin-film unreeling tension force is too little, easily makes film too lax, is unfavorable for the conveying of film and follow-up making.
[summary of the invention]
In view of the deficiency that prior art exists, the purpose of this utility model is to provide a kind of stable tension when realizing thin-film unreeling to control, and improves the thin-film unreeling mechanism of thin-film unreeling quality.
The utility model takes following technical scheme:
Thin-film unreeling mechanism, comprise and unreel frame and unreeling shaft bearing, it is characterized in that: described unreeling shaft bearing is arranged on the upper end of swing arm, the lower end of swing arm by oscillating axle with unreel frame and be articulated and connected, the swing of swing arm is promoted by Worm gear feed screw lifter, and Worm gear feed screw lifter is connected with servo motor transmission.
After adopting technique scheme, because unreeling shaft bearing is arranged in swing arm, and swing arm carries out precise hard_drawn tuhes swing by Worm gear feed screw lifter, so when thin-film unreeling overtension, Worm gear feed screw lifter controls swing arm and drives unreeling shaft bearing to swing toward the direction of loosening film, film is loosened, memberane stress diminishes, when thin-film unreeling tension force is too small, Worm gear feed screw lifter then controls swing arm and drives unreeling shaft bearing to swing toward the direction of stressed membrane, make film tense, memberane stress becomes large, thus stable tension when realizing thin-film unreeling controls, improve thin-film unreeling quality.
As preferred technical scheme, the side of described swing arm lower end is provided with overhanging bridging piece, and overhanging bridging piece is provided with guide roller, and guide roller rolls and is located in guide chute, and guide chute is offered on the both sides wallboard unreeling frame.After adopting technique scheme, effectively can improve the stability of the wobbling action of swing arm.
[accompanying drawing explanation]
The utility model has the following drawings:
Fig. 1 is structural representation of the present utility model.
[detailed description of the invention]
As shown in the figure, thin-film unreeling mechanism of the present utility model, comprise and unreel frame 4 and unreeling shaft bearing 1, described unreeling shaft bearing 1 is fixedly mounted on the upper end of swing arm 2, the lower end of swing arm 2 by oscillating axle 5 with unreel frame 4 and be articulated and connected, the swing of swing arm 2 is promoted by Worm gear feed screw lifter 8, and Worm gear feed screw lifter 8 is rotatably installed in and unreels in frame 4, the screw mandrel top of Worm gear feed screw lifter 8 is connected with swing arm 2, and Worm gear feed screw lifter 8 is connected with servo motor transmission; The side of described swing arm 2 lower end is provided with overhanging bridging piece 6, and overhanging bridging piece 6 is provided with guide roller 7, and guide roller 7 rolls and is located in guide chute 3, and guide chute 3 is offered on the both sides wallboard unreeling frame 4.
Claims (2)
1. thin-film unreeling mechanism, comprise and unreel frame and unreeling shaft bearing, it is characterized in that: described unreeling shaft bearing is arranged on the upper end of swing arm, the lower end of swing arm by oscillating axle with unreel frame and be articulated and connected, the swing of swing arm is promoted by Worm gear feed screw lifter, and Worm gear feed screw lifter is connected with servo motor transmission.
2. thin-film unreeling mechanism according to claim 1, it is characterized in that: the side of described swing arm lower end is provided with overhanging bridging piece, overhanging bridging piece is provided with guide roller, and guide roller rolls and is located in guide chute, and guide chute is offered on the both sides wallboard unreeling frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520454413.7U CN204802694U (en) | 2015-06-23 | 2015-06-23 | Film unwinding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520454413.7U CN204802694U (en) | 2015-06-23 | 2015-06-23 | Film unwinding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204802694U true CN204802694U (en) | 2015-11-25 |
Family
ID=54587550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520454413.7U Expired - Fee Related CN204802694U (en) | 2015-06-23 | 2015-06-23 | Film unwinding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204802694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529308A (en) * | 2018-04-26 | 2018-09-14 | 乔延敏 | A kind of swing fabric winding machine |
-
2015
- 2015-06-23 CN CN201520454413.7U patent/CN204802694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529308A (en) * | 2018-04-26 | 2018-09-14 | 乔延敏 | A kind of swing fabric winding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160623 |