CN217708197U

CN217708197U - Film unreels mechanism of rectifying

Info

Publication number: CN217708197U
Application number: CN202222033858.0U
Authority: CN
Inventors: 张曦; 杨云霞; 郑淑娜; 严珍生
Original assignee: Niflon Laboratories Shanghai Co ltd
Current assignee: Niflon Laboratories Shanghai Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-01
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a film unreels mechanism of rectifying relates to film processing field, including adjusting the support, install the roller mechanism that unreels on adjusting the support, set up the accommodate the lead screw mechanism of adjusting the support below and be used for the driving motor of accommodate the lead screw mechanism operation, one side of adjusting the support is equipped with the fixed bolster, adjust one side that the support is close to the fixed bolster and install first compression roller, the fixed bolster is close to one side of adjusting the support and installs the second compression roller, be equipped with the sensor of rectifying between first compression roller and the second compression roller, the bearing frame is all installed at the both ends of second compression roller, install the telescoping cylinder with the position that the bearing frame corresponds on the fixed bolster, the utility model discloses in for having set up the telescoping cylinder on the roller that compresses tightly the film, when accommodate the lead screw mechanism rectifies the film, the telescoping cylinder shortens, by upwards breaking away from the film in the twinkling of an eye, reduce the pressure of second compression roller to the film, avoid when rectifying because the cracked condition that the film is tightened and leads to each roller.

Description

Film unreels mechanism of rectifying

Technical Field

The utility model relates to a film and processing technology field specifically are a film unreels mechanism of rectifying.

Background

In the process of coating and unreeling the film, the film needs to be reeled and unreeled, in the process of reeling and unreeling the film, in order to avoid the deviation of the film, in the prior art, a deviation-correcting sensor is generally arranged and used for detecting the position of the edge of the film, when the edge position is not detected to be at a set position, a signal can be transmitted to a controller, and the controller controls a screw rod mechanism to adjust the position of an unreeling roller;

this approach is disadvantageous: due to the guiding and pressing action of each roller on the thin film, the tensioned thin film is torn in the moving process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film unreels mechanism of rectifying to solve among the prior art because each roller will be to the direction of film, compress tightly the effect, make tight film produce the problem of the tearing condition at the removal in-process.

In order to achieve the above object, the utility model provides a following technical scheme: a film unreeling deviation rectifying mechanism comprises an adjusting support, an unreeling roller mechanism arranged on the adjusting support, an adjusting screw rod mechanism arranged below the adjusting support and a driving motor used for driving the adjusting screw rod mechanism to operate, wherein a fixing support is arranged on one side of the adjusting support, a first compression roller is arranged on one side of the adjusting support close to the fixing support, a second compression roller is arranged on one side of the fixing support close to the adjusting support, a deviation rectifying sensor is arranged between the first compression roller and the second compression roller, bearing seats are respectively arranged at two ends of the second compression roller, grooves are formed in the lower surface of each bearing seat, a support plate is arranged on the fixing support and located below each bearing seat, springs are arranged between the support plates and the grooves, and a telescopic cylinder is arranged on the fixing support and corresponds to each bearing seat;

the device further comprises a controller, wherein a detection signal of the deviation rectifying sensor is transmitted to the controller, and the controller controls the driving motor and the telescopic cylinder to work.

Preferably, the unwinding roller mechanism comprises an unwinding roller arranged on one side of the adjusting support far away from the fixed support and a first guide roller arranged in the middle of the adjusting support.

Preferably, still include the base, accommodate the lead screw mechanism including rotate the lead screw of installing the inside both sides of base, threaded connection is at the stroke nut on the lead screw and the chain drive assembly of transmission connection in two lead screw one ends.

Preferably, one end of one of the screw rods is provided with a full gear, one side of the full gear is engaged with a single-tooth gear, the driving motor is arranged on the base, and the driving motor drives the single-tooth gear to rotate.

Preferably, one side of the fixed support far away from the adjusting support is provided with a winding roller, and the middle part of the fixed support is provided with a second guide roller.

Preferably, a support plate is arranged on the fixed support and below the bearing seat, and a spring is arranged between the support plate and the groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in give and set up the telescoping cylinder on the roller that compresses tightly the film, when accommodate the lead screw mechanism rectified the film, the telescoping cylinder shortens, breaks away from the film in the twinkling of an eye by upwards breaking away from the first, reduces the pressure of second compression roller to the film, avoids because the cracked condition that the film was tightened and leads to by each roller when rectifying.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the lead screw adjusting mechanism of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1 according to the present invention;

fig. 4 is a schematic block diagram of the present invention.

In the figure: 1. adjusting the bracket; 2. a lead screw adjusting mechanism; 21. a travel nut; 22. a screw rod; 23. a chain drive assembly; 24. all-gear; 25. a single-tooth gear; 26. a drive motor; 3. a base; 4. unwinding rollers; 5. a first guide roller; 6. a first press roll; 7. a deviation rectifying sensor; 8. a second press roll; 9. a second guide roller; 10. a wind-up roll; 11. a telescopic cylinder; 12. a bearing seat; 13. a groove; 14. a spring; 15. a support plate; 16. fixing a bracket; 17. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1, in an embodiment of the present invention, a film unwinding deviation correcting mechanism includes an adjusting bracket 1, an unwinding roller mechanism installed on the adjusting bracket 1, an adjusting screw mechanism 2 disposed below the adjusting bracket 1, and a driving motor 26 for operating the adjusting screw mechanism 2, preferably, the unwinding roller mechanism includes an unwinding roller 4 installed on one side of the adjusting bracket 1 away from a fixing bracket 16, and a first guiding roller 5 installed in the middle of the adjusting bracket 1, and the first guiding roller 5 is used for guiding a film unwound by the unwinding roller 4;

with continued reference to fig. 1, when the driving motor 26 drives the adjusting screw rod mechanism 2 to work, the position of the adjusting bracket 1 can be driven to change, so that the position of the unwinding roller mechanism can be adjusted to correct the unwinding film, a deviation correcting sensor 7 is arranged on one side of the adjusting bracket 1, the film unwinding device further comprises a controller 17, the deviation correcting sensor 7 can detect the running film, a detection signal of the deviation correcting sensor 7 is transmitted to the controller 17, and the controller 17 controls the driving motor 26, so that the positions of the whole adjusting bracket 1 and the unwinding roller mechanism are adjusted;

as shown in fig. 1 and fig. 2, the automatic correction device further comprises a base 3, the lead screw adjusting mechanism 2 comprises lead screws 22 rotatably installed on two sides inside the base 3, travel nuts 21 in threaded connection with the lead screws 22, and chain transmission assemblies 23 in transmission connection with one ends of the two lead screws 22, one end of one lead screw 22 is provided with a full gear 24, one side of the full gear 24 is engaged with a single-tooth gear 25, a driving motor 26 is installed on the base 3, the driving motor 26 drives the single-tooth gear 25 to rotate, and when the single-tooth gear 25 rotates, the full gear 24 can be driven to rotate, so that the full gear 24 can be conveniently decelerated and rotated, and the condition of excessive correction caused by too fast correction is avoided;

as shown in fig. 1, a fixing support 16 is arranged on one side of an adjusting support 1, a first pressing roller 6 is arranged on one side of the adjusting support 1 close to the fixing support 16, a second pressing roller 8 is arranged on one side of the fixing support 16 close to the adjusting support 1, the first pressing roller 6 and the second pressing roller 8 press a film into a horizontal state, and a deviation-correcting sensor 7 is arranged between the first pressing roller 6 and the second pressing roller 8 and used for detecting the edge position of the film;

as shown in fig. 1 and 4, bearing seats 12 are mounted at two ends of a second compression roller 8, a groove 13 is formed in the lower surface of each bearing seat 12, a support plate 15 is mounted at a position, below the bearing seat 12, on a fixed support 16, a spring 14 is mounted between the support plate 15 and the groove 13, a telescopic cylinder 11 is mounted at a position, corresponding to the bearing seat 12, on the fixed support 16, the lower end of a piston rod of the telescopic cylinder 11 is fixedly connected with the bearing seats 12, when the telescopic cylinder 11 extends, the bearing seats 12 can be pressed downwards, the spring 14 is compressed into the groove 13, the second compression roller 8 presses a film downwards, when the telescopic cylinder 11 shortens, the second compression roller 8 is separated from the film instantly at the moment, the pressure of the second compression roller 8 on the film is reduced, and the spring 14 can enable the second compression roller 8 to rise more stably;

as shown in fig. 2 and 4, when the deviation sensor 7 detects the deviation of the film, the detection signal can be transmitted to the controller 17, and the controller 17 and the telescopic cylinder 11 are shortened, so that the second pressing roller 8 is separated from the film instantly, the pressure of the second pressing roller 8 on the film is reduced, and the situation of breakage caused by the fact that the film is tightened by each roller during deviation correction is avoided;

as shown in fig. 1, a winding roller 10 is arranged on one side of the fixing bracket 16 far away from the adjusting bracket 1, and a second guide roller 9 is arranged in the middle of the fixing bracket 16, the winding roller 10 can wind the film, and the second guide roller 9 can guide the film.

The utility model discloses a theory of operation and use flow: when the device is used, the winding roller 10 can rotate actively to wind a film, when the film is wound, the winding roller 4 can unwind the film, when the film reaches the position of the deviation-correcting sensor 7, the deviation-correcting sensor 7 can detect the edge position of the film, when the edge of the film is not at a set position, namely the film deviates, at the moment, the controller controls the driving motor 26 to work on one hand, and drives the telescopic cylinder 11 to work on the other hand, the driving motor 26 can drive the full gear 24 to rotate slowly through the single-tooth gear 25, and then the two screw rods 22 can rotate slowly to realize the slow movement of the stroke nut 21, the positions of the adjusting bracket 1 and the unwinding roller assembly can be adjusted to correct the film, meanwhile, the telescopic cylinder 11 is shortened, due to the automatic recovery of the spring 14, the bearing block 12 and the second pressing roller 8 rebound upwards, at the moment, the second pressing roller 8 breaks away from the film instantaneously, the pressure of the second pressing roller 8 on the film is reduced, and the situation that the film is tightly tightened by each roller during deviation correction is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a film unreels mechanism of rectifying, is including adjusting support (1), install the roller mechanism that unreels on adjusting support (1), set up at adjusting support (1) below accommodate the lead screw mechanism (2) and be used for the driving motor (26) of accommodate the lead screw mechanism (2) operation, its characterized in that: a fixed support (16) is arranged on one side of the adjusting support (1), a first compression roller (6) is arranged on one side, close to the fixed support (16), of the adjusting support (1), a second compression roller (8) is arranged on one side, close to the adjusting support (1), of the fixed support (16), a deviation correction sensor (7) is arranged between the first compression roller (6) and the second compression roller (8), bearing seats (12) are arranged at two ends of each second compression roller (8), grooves (13) are formed in the lower surface of each bearing seat (12), a telescopic cylinder (11) is arranged on the fixed support (16) in a position corresponding to the bearing seats (12), and the lower end of a piston rod of each telescopic cylinder (11) is fixedly connected with the corresponding bearing seat (12);

the device is characterized by further comprising a controller (17), wherein a detection signal of the deviation rectifying sensor (7) is transmitted to the controller (17), and the controller (17) controls the driving motor (26) and the telescopic cylinder (11) to work.

2. The film unwinding deviation correcting mechanism of claim 1, wherein: the unwinding roller mechanism comprises an unwinding roller (4) which is arranged on one side of the adjusting support (1) far away from the fixed support (16) and a first guide roller (5) which is arranged in the middle of the adjusting support (1).

3. The film unwinding deviation rectifying mechanism of claim 1, wherein: the adjustable screw rod mechanism is characterized by further comprising a base (3), wherein the adjustable screw rod mechanism (2) comprises screw rods (22) rotatably installed on two sides inside the base (3), a travel nut (21) in threaded connection with the screw rods (22) and a chain transmission assembly (23) in transmission connection with one ends of the two screw rods (22).

4. The film unwinding deviation correcting mechanism according to claim 3, wherein: one end of one of the screw rods (22) is provided with a full gear (24), one side of the full gear (24) is engaged with a single-tooth gear (25), the driving motor (26) is arranged on the base (3), and the driving motor (26) drives the single-tooth gear (25) to rotate.

5. The film unwinding deviation rectifying mechanism of claim 1, wherein: and a winding roller (10) is arranged on one side, far away from the adjusting support (1), of the fixing support (16), and a second guide roller (9) is arranged in the middle of the fixing support (16).

6. The film unwinding deviation correcting mechanism of claim 1, wherein: a support plate (15) is arranged on the fixed support (16) and below the bearing seat (12), and a spring (14) is arranged between the support plate (15) and the groove (13).