CN202388831U - Safety material conveying device for plastic thin film bag making machine - Google Patents
Safety material conveying device for plastic thin film bag making machine Download PDFInfo
- Publication number
- CN202388831U CN202388831U CN201220075899XU CN201220075899U CN202388831U CN 202388831 U CN202388831 U CN 202388831U CN 201220075899X U CN201220075899X U CN 201220075899XU CN 201220075899 U CN201220075899 U CN 201220075899U CN 202388831 U CN202388831 U CN 202388831U
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- CN
- China
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- direct current
- material conveying
- circuit
- current generator
- film bag
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Abstract
The utility model provides a safety material conveying device for a plastic thin film bag making machine. The problem that fingers of operators are easily injured by a material conveying roller when a plastic thin film bag is made is solved, and the safety of the operators can be guaranteed. The safety material conveying device comprises a material conveying driving roller and a material conveying driven roller which are parallel to each other, wherein two ends of the material conveying driving roller are arranged on two side brackets through bearings; and one end of a rotating shaft of the material conveying driving roller is connected with the output end of a direct current motor in a transmission manner through a belt and a belt wheel. The safety material conveying device is characterized in that sliding blocks are respectively arranged on the two side brackets; two ends of the material conveying driven roller are fixed on the sliding blocks through bearings; a proximity safety device is arranged at the front end of the material conveying driven roller and comprises a pressing rod and a proximity switch; two ends of the pressing rod are fixed on the sliding block and parallel to the material conveying driven roller; and the proximity switch is arranged at the front ends of the brackets and the pressing rod and electrically connected with the direct current motor.
Description
Technical field
The utility model relates to the making bag by plastic film apparatus field, is specially a kind of safe pay-off of plastic film bag making machine.
Background technology
Plastic film bag making machine generally comprises pay-off, closing device, cut-out (dividing truncation, point to break) device and material collecting device; Its pay-off comprises two feeding rollers; Operating personnel send plastic sheeting into feeding roller; Because pay-off is not provided with safety device, thereby there is the potential safety hazard that is jammed a finger by two feeding rollers in operating personnel when feeding operation.
Summary of the invention
To the problems referred to above, the utility model provides a kind of safe pay-off of plastic film bag making machine, and it can guarantee that feeding roller is prone to crush the problem that operating personnel point in the making bag by plastic film process, guarantees personnel's safety in production.
Its technical scheme is such; It comprises the feeding drive roll and the feeding driven roll of parallel installation; The two ends of said feeding drive roll are installed on two side stands and its rotating shaft through bearing a end is in transmission connection through belt and belt pulley and direct current generator output; It is characterized in that: be separately installed with slide block on said two side stands, the two ends of said feeding driven roll all through bearing fixing in said slide block, the front end of said feeding driven roll is equipped with near safety device; Said near safety device comprise depression bar with near switch; Said slide block and parallel with said feeding driven roll is fixed at said depression bar two ends, saidly is installed on the front end of support, said depression bar near switch, saidly electricly connects near switch and said direct current generator.
It is further characterized in that: the said circuit that electricly connects near switch and said direct current generator comprises parallel with one another near on-off circuit, signal relay circuit and direct current generator circuit; Said near connecting with inductance L after on-off circuit, signal relay circuit and the parallel connection of direct current generator circuit; And then be parallel to the output of bridge full wave rectifier, the external 220V alternating current of said bridge full wave rectifier input with capacitor C; Saidly comprise the said of mutual series connection near switch and resistance R 1 near on-off circuit; Said signal relay circuit comprises the said signal relay KS, resistance R 2 of order serial connection and near switch NO, said direct current generator circuit comprises the said direct current generator M of mutual serial connection and the NC contact of said signal relay KS;
Also be connected and installed with pressure adjusting lever through spring on the said slide block.
Adopt the safe pay-off of a kind of plastic film bag making machine of the utility model, its beneficial effect is: its feeding driven roll and depression bar all are installed on two side stands through slide block, and the depression bar installed in front has near switch; Electricly connect near switch and direct current generator; When the distance between feeding drive roll and the feeding driven roll surpass to be set safety value, thereby promoting slide block, the reach of feeding driven roll moves forward with depression bar, depression bar is near near switch; Shut down near the outage of switch control direct current generator; Thereby the assurance operator safety, it is simple in structure, safe and reliable, can effectively guarantee personnel's handling safety; Spring and pressure adjusting lever can effectively be adjusted the gap between feeding drive roll and the feeding driven roll.
Description of drawings
Fig. 1 is the safe feeder structure sketch map of a kind of plastic film bag making machine of the utility model;
Fig. 2 looks the structure for amplifying sketch map for the left side of Fig. 1;
Fig. 3 in the utility model near the sketch map that electricly connects of switch and direct current generator.
The specific embodiment
See Fig. 1 and Fig. 2; The utility model device comprises the feeding drive roll 9 and feeding driven roll 10 of parallel installation; The two ends of feeding drive roll 9 are installed on two side stands and its rotating shaft through bearing 4 a end is in transmission connection with direct current generator 1 output through belt 3 and belt pulley 2; Be separately installed with slide block 6 on two side stands, slide block 6 all is fixed in through bearing 4 in the two ends of feeding driven roll 10, and the front end of feeding driven roll 10 is equipped with near erecting device; Near safety device comprise depression bar 11 with near switch 12; Slide block 6 and parallel with feeding driven roll 10 is fixed at depression bar 11 two ends, is installed on the front end of support, depression bar 11 near switch 12, electricly connects near switch 12 and direct current generator 1.Also be connected and installed with pressure adjusting lever 8 through spring 7 on the slide block 6,, can promote slide block 6 and move forward and backward, thereby regulate the distance between feeding drive roll 9 and the feeding driven roll 10 through pressure adjusting lever 8 and spring 7.See Fig. 3; The circuit that electricly connects near switch 12 and direct current generator 1 comprises parallel with one another near on-off circuit, signal relay circuit and direct current generator circuit; Said near connecting with inductance L after on-off circuit, signal relay circuit and the parallel connection of direct current generator circuit; And then be parallel to the output of bridge full wave rectifier, the external 220V alternating current of bridge full wave rectifier input with capacitor C; Near on-off circuit comprise mutual series connection near switch 12 and resistance R 1; The signal relay circuit comprises the said signal relay KS, resistance R 2 of order serial connection and near switch NO, the direct current generator circuit comprises the said direct current generator M of mutual serial connection and the NC contact of said signal relay KS.
Specifically describe the course of work of the utility model below: operating personnel send into plastic sheeting between feeding drive roll and the feeding driven roll; When finger is sandwiched between feeding drive roll and the feeding driven roll; Its clearance distance has between the two exceeded preset safe distance; Thereby the reach of feeding driven roll promotes slide block and depression bar reach; The 220V direct current is through the bridge full wave rectifier rectification, make the 220V direct current change the 220V alternating current into after capacitor C, inductance L filtering again, and the 220V alternating current is given near switch and through resistance R 1 through resistance R 1 and given signal relay KS, and the contact NC near switch NO closure, signal relay KS adhesive, synchronous signal relay K S near near switch the time breaks off when depression bar; Direct current generator promptly stops operating, thus protection personnel's safety.
Claims (4)
1. the safe pay-off of a plastic film bag making machine; It comprises the feeding drive roll and the feeding driven roll of parallel installation; The two ends of said feeding drive roll are installed on two side stands and its rotating shaft through bearing a end is in transmission connection through belt and belt pulley and direct current generator output; It is characterized in that: be separately installed with slide block on said two side stands, the two ends of said feeding driven roll all through bearing fixing in said slide block, the front end of said feeding driven roll is equipped with near safety device; Said near safety device comprise depression bar with near switch; Said slide block and parallel with said feeding driven roll is fixed at said depression bar two ends, saidly is installed on the front end of support, said depression bar near switch, saidly electricly connects near switch and said direct current generator.
2. the safe pay-off of a kind of plastic film bag making machine according to claim 1; It is characterized in that: the said circuit that electricly connects near switch and said direct current generator comprises parallel with one another near on-off circuit, signal relay circuit and direct current generator circuit; Said near connecting with inductance L after on-off circuit, signal relay circuit and the parallel connection of direct current generator circuit; And then be parallel to the output of bridge full wave rectifier, the external 220V alternating current of said bridge full wave rectifier input with capacitor C.
3. the safe pay-off of a kind of plastic film bag making machine according to claim 2; It is characterized in that: saidly comprise the said of mutual series connection near switch and resistance R 1 near on-off circuit; Said signal relay circuit comprises the said signal relay KS, resistance R 2 of order serial connection and near switch NO, said direct current generator circuit comprises the NC contact of the said direct current generator and the said signal relay KS of mutual serial connection.
4. the safe pay-off of a kind of plastic film bag making machine according to claim 1 is characterized in that: also be connected and installed with pressure adjusting lever through spring on the said slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220075899XU CN202388831U (en) | 2012-03-02 | 2012-03-02 | Safety material conveying device for plastic thin film bag making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220075899XU CN202388831U (en) | 2012-03-02 | 2012-03-02 | Safety material conveying device for plastic thin film bag making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202388831U true CN202388831U (en) | 2012-08-22 |
Family
ID=46663781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220075899XU Withdrawn - After Issue CN202388831U (en) | 2012-03-02 | 2012-03-02 | Safety material conveying device for plastic thin film bag making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202388831U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582121A (en) * | 2012-03-02 | 2012-07-18 | 无锡佳泰科技有限公司 | Safe feeding device of plastic film bag making machine |
| CN103737972A (en) * | 2013-12-05 | 2014-04-23 | 无锡佳泰科技有限公司 | Material drive roller structure of flat head machine |
| CN103738662A (en) * | 2013-12-04 | 2014-04-23 | 无锡佳泰科技有限公司 | Device for packaging and conveying freshness protection packages in roll |
-
2012
- 2012-03-02 CN CN201220075899XU patent/CN202388831U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582121A (en) * | 2012-03-02 | 2012-07-18 | 无锡佳泰科技有限公司 | Safe feeding device of plastic film bag making machine |
| CN102582121B (en) * | 2012-03-02 | 2014-12-03 | 无锡佳泰科技有限公司 | Safe feeding device of plastic film bag making machine |
| CN103738662A (en) * | 2013-12-04 | 2014-04-23 | 无锡佳泰科技有限公司 | Device for packaging and conveying freshness protection packages in roll |
| CN103737972A (en) * | 2013-12-05 | 2014-04-23 | 无锡佳泰科技有限公司 | Material drive roller structure of flat head machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |