CN215854202U - PET film unfolding buffer device for film processing - Google Patents
PET film unfolding buffer device for film processing Download PDFInfo
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- CN215854202U CN215854202U CN202122062331.6U CN202122062331U CN215854202U CN 215854202 U CN215854202 U CN 215854202U CN 202122062331 U CN202122062331 U CN 202122062331U CN 215854202 U CN215854202 U CN 215854202U
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- pet film
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- fixing frame
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Abstract
A PET film unfolding buffer device for film processing relates to the technical field of film processing, and comprises a fixed frame and an unfolding roller, wherein the unfolding roller comprises an upper unfolding roller set and a lower unfolding roller set; the fixing frame is also provided with an auxiliary power device, a PET film static monitoring device and a controller, and the auxiliary power device is in driving connection with an unfolding roller at the feeding end of the fixing frame; the PET film static monitoring device is arranged on the fixing frame, the PET film static monitoring device is electrically connected with the input end of the controller, and the auxiliary power device is electrically connected with the output end of the controller.
Description
Technical Field
The utility model relates to the technical field of film processing, in particular to a PET film unfolding buffer device for film processing.
Background
The main raw material of the PET film is polyethylene terephthalate (PET for short), and the PET film is soft and has certain stretchability. PET films are widely used for printing medical imaging reports, or company-related logos, trademarks, advertisements, technical data, and the like, due to their characteristics of high temperature resistance, being not easily melted, being easily peeled, and having no residue after being peeled from the surface of an exploded product. PET film should be protected from contamination, scratching, erosion and breakage from the outside during processing, storage and installation.
In the production process, the coiled and packaged raw material PET film needs to be discharged through a discharging production line, then functional layers are coated on two surfaces of the PET film, and then the PET film is heated and dried, and finally the PET film with large size and small size is formed on cutting equipment according to a certain size. In the blowing process, the blowing production line is generally including the PET membrane unwinding device that sets gradually, direction conveying mechanism and power unit, former material PET membrane is around establishing on PET membrane unwinding device, direction conveying mechanism is as middle transition device, including a plurality of guide rolls that are used for twining the PET membrane, power unit is as the device of pulling PET membrane motion, including power roller and drive roller pivoted motor, the motor during operation, the power roller is rotatory, under the effect of guide roll, realize unreeling and carrying the former material PET membrane on PET membrane unwinding device gradually.
However, if the factory building takes place the outage accident suddenly, the blowing production line loses the electricity and can cause the motor stop work among the power unit, under the inertia effect, power roller and guide roll continue to rotate, can lead to the PET membrane between direction conveying mechanism and the power roller to be stretched, and inside production stress changes to cause certain damage, this part PET membrane of factory building continuation power supply back continues to carry out the quality that subsequent handling just can influence final PET film.
In view of the above problems, it is desirable to provide a PET film unwinding buffer device for film processing.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a PET film unfolding buffer device for film processing, which comprises the following specific scheme:
a PET film unfolding buffer device for film processing comprises a fixed frame and an unfolding roller, wherein the unfolding roller comprises an upper unfolding roller set and a lower unfolding roller set which are arranged up and down, the upper unfolding roller set is installed at the top of the fixed frame through a bearing, a liftable installation seat is arranged at the bottom of the fixed frame, and the lower unfolding roller set is installed on the liftable installation seat through a bearing;
in the horizontal direction, a plurality of unfolding rollers are arranged in the upper unfolding roller group and the lower unfolding roller group at equal intervals, in the vertical direction, the unfolding rollers in the lower unfolding roller group are positioned between two adjacent unfolding rollers in the upper unfolding roller group, and the PET film is alternately wound in the upper unfolding roller group and the lower unfolding roller group;
the fixing frame is also provided with an auxiliary power device, a PET film static monitoring device and a controller, and the auxiliary power device is in driving connection with an unfolding roller at the feeding end of the fixing frame so as to realize axial rotation;
the PET film static monitoring device is arranged on the fixing frame and is aligned with the PET film at the feeding end of the fixing frame;
the PET film static monitoring device is electrically connected with the input end of the controller, and the auxiliary power device is electrically connected with the output end of the controller.
Further, the static monitoring devices of PET membrane includes displacement sensor, sensor fixing base, displacement sensor installs on the sensor fixing base, sensor fixing base demountable installation be in on the mount.
Furthermore, the sensor fixing seat is connected with the fixing frame in a sliding mode, and the sliding direction of the sensor fixing seat is parallel to the running direction of the PET film in the horizontal direction.
Furthermore, the auxiliary power device comprises a standby power supply, a control switch and an electric motor, wherein the standby power supply is used for supplying power to the electric motor, and the control switch is electrically connected with the controller and the standby power supply.
Further, the control switch is set as a timing switch, and the working time of the timing switch is 3-6 s.
Further, in the vertical direction, the PET films which are adjacently arranged are arranged in parallel.
Furthermore, a lifting cylinder is arranged between the lifting mounting seat and the fixing frame, and the lifting cylinder is in driving connection with the lifting mounting seat.
Compared with the prior art, the utility model has the following beneficial effects:
(1) in the PET film discharging production line, the PET film discharging device is arranged between the PET film discharging device and the power mechanism, when the PET film discharging production line normally works, under the pulling of external force, the PET film released by the PET film discharging device gradually displaces in the upper unfolding roller set and the lower unfolding roller set, and the PET film gradually unfolds in the movement process, so that the stress of all parts of the PET film is uniform; when the power failure accident appears in the factory building and results in power unit to lose the electricity, the PET membrane on the PET membrane unwinding device no longer continues the pulling of driven power mechanism, PET membrane static state monitoring device detects the PET membrane stop motion of feed end department, feed back to the controller, controller control auxiliary power device work, drive the expansion roller and do initiative rotary motion, thereby continue to stimulate the PET membrane on the PET membrane unwinding device and enter into the feed end of mount, at this moment, the total length of the PET membrane in the mount continues the accumulation, provide a buffering length for the PET membrane of discharge end department, apply in the mount to taking place inertial rotatory power unit, the pulling force of the PET membrane between the power unit plays the balance effect, reduce the tensile possibility that produces deformation or damage of this part PET membrane transition stress.
Drawings
FIG. 1 is an overall schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view showing the connection of an electric motor to one of the spreader rolls in the upper set of spreader rolls;
FIG. 3 is a simplified connection diagram showing the control relationship between the displacement sensor, the controller and the auxiliary power unit.
Reference numerals: 1. a fixed mount; 2. an upper set of deployment rollers; 3. a lower set of unfolding rollers; 4. a liftable mounting seat; 5. a lifting cylinder; 6. an auxiliary power unit; 61. a standby power supply; 62. a control switch; 63. an electric motor; 7. a PET film static monitoring device; 71. a displacement sensor; 72. a sensor holder; 8. a controller; 9. a feeding end; 10. and a discharge end.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
The utility model provides a PET membrane expandes buffer for film processing for the blowing production line of PET membrane, in the blowing production line of PET membrane, this device sets up between PET membrane unwinding device, power unit, and PET membrane unwinding device, power unit are prior art. When the emptying production line works normally, under the pulling of the external force of the power mechanism, the PET film released by the PET film unwinding device is guided and unfolded by the PET film unfolding buffer device, and finally is sent to equipment behind the emptying production line for subsequent processes.
As shown in figure 1, the PET film unfolding buffer device specifically comprises a fixing frame 1 and an unfolding roller, wherein the whole fixing frame 1 is of a hollow cuboid frame structure, and a cavity inside the fixing frame provides a movement space for the PET film. The unfolding rollers comprise an upper unfolding roller group 2 and a lower unfolding roller group 3 which are arranged up and down, the upper unfolding roller group 2 and the lower unfolding roller group 3 are arranged at equal intervals in the horizontal direction and are provided with a plurality of unfolding rollers, as shown in fig. 1, in the embodiment, the upper unfolding roller group 2 is provided with six unfolding rollers, the lower unfolding roller group 3 is provided with five unfolding rollers, and when the unfolding roller is used, each unfolding roller can rotate around the axial direction of the unfolding roller. In the vertical direction, the expansion roller in the lower expansion roller group 3 is located between two adjacent expansion rollers in the upper expansion roller group 2, the PET film alternately surrounds in the upper expansion roller group 2 and the lower expansion roller group 3, the PET film enters the fixed frame 1 from the rightmost expansion roller in the upper expansion roller group 2, and the leftmost expansion roller in the last upper expansion roller group 2 leaves the fixed frame 1, so that the left side is the discharge end 10 and the right side is the feed end 9 on the fixed frame 1.
The upper roller set 2 is mounted on the top of the fixed frame 1 through a bearing, and the whole position is not changeable. Because the PET membrane has certain stretchability, expand the roller set 2 and need tensioning PET membrane with lower roll set 3 at last, expand roller set 2 and roll set 3 down in order to realize the tensioning in order to adjust the distance in vertical direction, the bottom of mount 1 is provided with liftable mount pad 4, roll set 3 passes through the bearing and installs on liftable mount pad 4 down, the holistic position of roll set 3 can be along with the ascending transition of liftable mount pad 4 down move the increase or reduce and expand the distance between the roller set 2 on.
In detail, a lifting cylinder 5 is arranged between the lifting mounting seat 4 and the fixing frame 1, the lifting cylinder 5 can be provided with a sliding guide rod which improves the motion stability, the free end of the lifting cylinder 5 is fixedly connected with the bottom of the lifting mounting seat 4 to realize transmission connection, and when the lifting cylinder 5 extends and contracts, the lifting mounting seat 4 and the lower unfolding roller group 3 are driven to move up or down.
Optimized, for the stationarity that improves the PET membrane motion, in vertical direction, parallel arrangement between the PET membrane of adjacent setting, and the PET membrane still can further set up to with vertical face coplanar setting, reduce the frictional force between the surface of expansion roller and the PET membrane. In the blowing production line, power unit sets up the left side at mount 1, PET membrane unwinding device places the right side at mount 1, the PET membrane in the PET membrane unwinding device gets into mount 1 from feed end 9 after and leaves back twine on power unit from discharge end 10, power unit during operation, the PET membrane that PET membrane unwinding device released out is at last expansion roller set 2 and the gradual displacement of lower expansion roller set 3, and the PET membrane is expanded gradually at the in-process of motion, make PET membrane stress everywhere even.
If a factory building has a sudden power failure accident, in order to prevent the PET film between the PET film unfolding buffer device and the power mechanism in the utility model from being stretched, the fixing frame 1 is also provided with an auxiliary power device 6, a PET film static monitoring device 7 and a controller 8, a displacement sensor 71 in the PET film static monitoring device 7 is electrically connected with the input end of the controller 8, and the auxiliary power device 6 is electrically connected with the output end of the controller 8. Through the cooperation of three, in this period of outage, reserve one section buffering length that can supply power unit to continue the tractive for the PET membrane on mount 1, even power unit produces inertial rotation after stopping the power supply, should rotate and can also be with the PET membrane rolling in this buffering length on power unit, reduce the stress stretch to the PET membrane between mount 1, the power unit.
The PET film static monitoring device 7 is arranged on the fixing frame 1 and used for detecting the state that the PET film stops releasing from the PET film unwinding device, so that the power failure of the emptying production line is reflected. The static monitoring devices 7 of PET membrane specifically includes displacement sensor 71, sensor fixing base 72, displacement sensor 71 passes through the electric wire and is connected with controller 8's input electricity, displacement sensor 71 is installed on sensor fixing base 72, sensor fixing base 72 demountable installation is on mount 1, under sensor fixing base 72 the supporting role, displacement sensor 71 and the PET membrane of 1 last feed end 9 departments of mount are aimed at and are set up, when the PET membrane normally releases, displacement sensor 71 can detect the displacement of PET membrane, thereby judge the blowing production line at normal work, when the PET membrane stops motionless, displacement sensor 71 no longer detects the displacement of PET membrane, thereby judge that the blowing production line is in the outage state.
Because it has the difference in height to expand roller set 2 and PET membrane unwinding device on going up, the PET membrane is probably less than last expansion roller set 2 in feed end 9 department of mount 1, it is optimized, sensor fixing base 72 slides with mount 1 and is connected, the sliding direction of sensor fixing base 72 and the traffic direction parallel arrangement of PET membrane on the horizontal direction, slide along mount 1 through promoting sensor fixing base 72, can change the difference in height between displacement sensor 71 and the PET membrane, guarantee that displacement sensor 71 can aim at with the PET membrane in feed end 9 department.
With reference to fig. 1 and fig. 2, the auxiliary power device 6 is used for continuously drawing the PET film on the PET film unwinding device to the feeding end 9 of the fixing frame 1 after power failure, the auxiliary power device 6 specifically includes a standby power supply 61, a control switch 62 and an electric motor 63, the standby power supply 61 is used for supplying power to the electric motor 63, the electric motor 63 is connected with the coaxial driving of the expansion roller at the feeding end 9 on the fixing frame 1, or the electric motor 63 is arranged at the bottom of the fixing frame 1, and is linked with the expansion roller through a gear, and drives the expansion roller to rotate around the self axial direction, the control switch 62 is electrically connected with the output end of the controller 8, and the control switch 62 is electrically connected with the standby power supply 61.
As shown in fig. 3, when the PET film stops, the displacement sensor 71 feeds back to the controller 8, the controller 8 responds to close the control switch 62, the standby power supply 61 starts to supply power to the electric motor 63, and simultaneously the electric motor 63 starts to rotate to drive the unwinding roller to perform active rotation, so as to continuously pull the PET film on the PET film unwinding device into the feeding end 9 of the fixed frame 1, at this time, the total length of the PET film in the fixed frame 1 continues to be accumulated, and the PET film at the feeding end 10 is provided with a buffer length.
Because the inertia motion time of the power mechanism in the power-off state is short, the optimization is realized, the control switch 62 is set as a timing switch, the working time of the timing switch is 3-6s, the timing switch is selected according to actual conditions, the timing switch is switched on under the control of the controller 8, the timing switch can be automatically switched off after a certain time, the pollution caused by the sag of the overlong PET film accumulated in the fixing frame 1 is avoided on the premise of meeting the buffering length of the PET film, and meanwhile, the power consumption cost can be saved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. A PET film unfolding buffer device for film processing comprises a fixing frame (1) and an unfolding roller, and is characterized in that the unfolding roller comprises an upper unfolding roller set (2) and a lower unfolding roller set (3) which are vertically arranged, the upper unfolding roller set (2) is installed at the top of the fixing frame (1) through a bearing, a lifting installation seat (4) is arranged at the bottom of the fixing frame (1), and the lower unfolding roller set (3) is installed on the lifting installation seat (4) through a bearing;
in the horizontal direction, a plurality of unfolding rollers are arranged in the upper unfolding roller group (2) and the lower unfolding roller group (3) at equal intervals, in the vertical direction, the unfolding rollers in the lower unfolding roller group (3) are positioned between two adjacent unfolding rollers in the upper unfolding roller group (2), and the PET film is alternately wound in the upper unfolding roller group (2) and the lower unfolding roller group (3);
the fixing frame (1) is further provided with an auxiliary power device (6), a PET film static monitoring device (7) and a controller (8), and the auxiliary power device (6) is in driving connection with an unfolding roller at a feeding end (9) of the fixing frame (1) to realize axial rotation;
the PET film static monitoring device (7) is arranged on the fixing frame (1) and is aligned with the PET film at the feeding end (9) of the fixing frame (1);
the PET film static monitoring device (7) is electrically connected with the input end of the controller (8), and the auxiliary power device (6) is electrically connected with the output end of the controller (8).
2. The PET film unwinding buffer device for film processing according to claim 1, wherein the PET film static monitoring device (7) comprises a displacement sensor (71), a sensor holder (72), the displacement sensor (71) is mounted on the sensor holder (72), and the sensor holder (72) is detachably mounted on the holder (1).
3. The PET film unwinding buffer device for film processing according to claim 2, wherein the sensor holder (72) is slidably connected to the holder (1), and a sliding direction of the sensor holder (72) is parallel to a running direction of the PET film in a horizontal direction.
4. The PET film unwinding buffer device for film processing according to claim 1, wherein the auxiliary power device (6) comprises a backup power source (61), a control switch (62), and an electric motor (63), the backup power source (61) is used for supplying power to the electric motor (63), and the control switch (62) is electrically connected with the controller (8) and the backup power source (61).
5. The PET film unwinding buffer device for film processing according to claim 4, wherein the control switch (62) is set as a time switch, and the time switch has an operating time of 3-6 s.
6. The PET film unwinding buffer device for film processing according to claim 1, wherein the PET films adjacently disposed are disposed in parallel in a vertical direction.
7. The PET film unfolding buffer device for film processing according to claim 6, wherein a lifting cylinder (5) is arranged between the lifting mounting seat (4) and the fixing frame (1), and the lifting cylinder (5) is in driving connection with the lifting mounting seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062331.6U CN215854202U (en) | 2021-08-30 | 2021-08-30 | PET film unfolding buffer device for film processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062331.6U CN215854202U (en) | 2021-08-30 | 2021-08-30 | PET film unfolding buffer device for film processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215854202U true CN215854202U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122062331.6U Active CN215854202U (en) | 2021-08-30 | 2021-08-30 | PET film unfolding buffer device for film processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215854202U (en) |
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2021
- 2021-08-30 CN CN202122062331.6U patent/CN215854202U/en active Active
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