CN214610612U - Web deviation rectifying traction mechanism - Google Patents
Web deviation rectifying traction mechanism Download PDFInfo
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- CN214610612U CN214610612U CN202120117001.XU CN202120117001U CN214610612U CN 214610612 U CN214610612 U CN 214610612U CN 202120117001 U CN202120117001 U CN 202120117001U CN 214610612 U CN214610612 U CN 214610612U
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Abstract
The utility model relates to the technical field of printing, and discloses a web deviation rectifying traction mechanism, which comprises a first deviation rectifying mechanism, a first traction mechanism, a second deviation rectifying mechanism, a buffer mechanism, a second traction mechanism and a tension detection mechanism which are arranged in sequence, wherein the first deviation rectifying mechanism is used for transversely rectifying a paper tape once; the first traction mechanism is used for conveying the paper tape and is positioned obliquely above one side of the buffer mechanism; the second deviation correcting mechanism is used for performing secondary transverse correction on the paper tape; the buffer mechanism is used for buffering the paper tape transmission speed so as to lengthen or shorten the paper tape length between the buffer mechanism and the second traction mechanism; the second traction mechanism is positioned obliquely above the other side of the buffer mechanism; the tension detection device is used for detecting the tension of the paper tape before the paper tape is conveyed to the die-cutting paper feeding mechanism; and the paper tape transmitted by the second traction mechanism is transmitted to the die cutting paper feeding mechanism through the tension detection device. The utility model discloses can avoid the paper tape position deviation to appear, and reduce the undulant influence of tension for the paper tape steady operation.
Description
Technical Field
The utility model relates to the field of printing technology, especially, relate to a web of paper drive mechanism that rectifies.
Background
With the development of society, the profit of the printing industry is reduced, and the demand for small-batch and multi-variety printing is gradually increased. Combine intelligent manufacturing, reduction in production cost improves production efficiency, and combination production processes is the inevitable selection of printing enterprise, like tobacco bale printing, roll web printing rolling, roll web unsmooth, cross cutting, the integrative inevitable selection of quality control, not only can improve production efficiency, save material can reduce staff's amount of labour and staff quantity moreover. For web printing, high-speed flat-bed flat-die cutting of web is the preferred method because the plate making cost is much lower than that of the circular die cutting method. However, in the existing web high-speed flat pressing and flat die cutting system, when the paper tape runs into the die cutting platform for die cutting treatment, the position of the paper tape is prone to deviation, and the tension fluctuation of the paper tape is prone to influence the stable running of the paper tape, so that the quality of die cutting products is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a web draw mechanism that rectifies to when solving current paper tape operation and carrying out the cross cutting in the cross cutting platform and handling, the paper tape position easily appears the deviation and the paper tape operation easily receives the problem of the undulant influence of tension.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the web of roll paper drive mechanism that rectifies sets up between unwinding mechanism and cross cutting paper feeding mechanism, include:
the paper tape tension detection device comprises a first deviation correcting mechanism, a first traction mechanism, a second deviation correcting mechanism, a buffer mechanism, a second traction mechanism and a tension detection mechanism which are sequentially arranged, wherein the first deviation correcting mechanism is used for carrying out one-time transverse correction on a paper tape conveyed by an unwinding mechanism; the first traction mechanism is used for conveying the paper tape corrected by the first deviation correcting mechanism and is positioned obliquely above one side of the buffer mechanism; the second deviation correcting mechanism is used for performing secondary transverse correction on the paper tape transmitted by the first traction mechanism; the buffer mechanism is used for buffering the conveying speed of the paper tape so as to lengthen or shorten the length of the paper tape between the buffer mechanism and the second traction mechanism; the second traction mechanism is used for conveying the paper tape conveyed by the buffer mechanism and is positioned obliquely above the other side of the buffer mechanism; the tension detection device is used for detecting the tension of the paper tape before the paper tape is conveyed to the die-cutting paper feeding mechanism; and the paper tape transmitted by the second traction mechanism is transmitted to the die cutting paper feeding mechanism through the tension detection device.
Preferably, the buffer mechanism comprises a first controller, a driving device and a driving roller, the first controller is electrically connected with the driving device, and the driving device is connected with the driving roller to drive the driving roller to move up and down.
Preferably, the driving device comprises a driving motor, a transmission screw and a sliding seat, and the transmission roller is installed on the sliding seat; the transmission screw rod is connected with the sliding seat; the driving motor is connected with the transmission lead screw.
Preferably, the first traction mechanism comprises a first traction roller and a first pressing roller, and the first pressing roller is arranged above the first traction roller.
Preferably, the second traction mechanism comprises a second traction roller and a second pressing roller, and the second pressing roller is arranged above the second traction roller.
Preferably, the first deviation rectifying mechanism comprises a first deviation rectifying detection sensor, a second controller and two first deviation rectifying transmission rollers, the first deviation rectifying detection sensor is used for detecting signals transmitted to the first deviation rectifying transmission rollers by paper tapes, the second controller is electrically connected with the first deviation rectifying detection sensor, the two first deviation rectifying transmission rollers are arranged oppositely, one of the first deviation rectifying transmission rollers is located below the unwinding mechanism, and the other one of the first deviation rectifying transmission rollers is located below the first traction mechanism, so that the paper tapes entering the first deviation rectifying transmission rollers are perpendicular to the paper tapes leaving the first deviation rectifying transmission rollers.
Preferably, a first driving roller is arranged between the first deviation rectifying mechanism and the first traction mechanism.
Preferably, the second deviation rectifying mechanism comprises a second deviation rectifying detection sensor, a third controller and two second deviation rectifying transmission rollers, the second deviation rectifying detection sensor is used for detecting signals transmitted by the paper tape to the second deviation rectifying transmission rollers, the third controller is electrically connected with the second deviation rectifying detection sensor, the two second deviation rectifying transmission rollers are arranged oppositely, one of the second deviation rectifying transmission rollers is located below the first traction mechanism, and the other second deviation rectifying transmission roller is located below the buffer mechanism, so that the paper tape entering the second deviation rectifying transmission rollers is perpendicular to the paper tape leaving the second deviation rectifying transmission rollers.
Preferably, a second driving roller is arranged between the second deviation rectifying mechanism and the first traction mechanism; and a third driving roller is arranged between the second deviation rectifying mechanism and the buffer mechanism.
Preferably, the tension detecting means includes a tension detecting roller and a tension detecting sensor provided on the tension detecting roller.
The embodiment of the utility model provides a web of paper drive mechanism that rectifies compares with prior art, and its beneficial effect lies in:
the roll paper deviation rectifying and drawing mechanism provided by the embodiment of the utility model can perform twice transverse correction on the paper tape through the arranged first deviation rectifying mechanism and the second deviation rectifying mechanism, so that the position of the paper tape transmitted to the die cutting platform through the die cutting paper feeding mechanism is not easy to deviate, and the transverse consistency of the paper tape entering the die cutting platform is ensured, thereby improving the die cutting quality; the tension of the paper tape output from the unwinding mechanism is stable through the arranged first traction mechanism, the tension of the paper tape of the unwinding mechanism and the tension of the paper tape of the roll paper deviation correction traction mechanism and the die cutting paper feeding mechanism are segmented, and the influence of the paper tape tension fluctuation of the unwinding mechanism on the paper tape tension conveyed to the die cutting paper feeding mechanism is reduced, so that the paper tape stably runs. The tension of the paper tape before entering the die-cutting paper feeding mechanism can be guaranteed to be stable through the arranged second traction mechanism, and therefore the paper feeding stability of the die-cutting paper feeding mechanism is improved. The buffer mechanism buffers the paper tape transmission speed to ensure that the paper tape stably runs into the die cutting paper feeding mechanism.
Drawings
FIG. 1 is a schematic structural view of a web deviation rectifying and drawing mechanism according to an embodiment of the present invention;
fig. 2 is a schematic view of an operating state of a buffer mechanism in an embodiment of the present invention;
in the figure, 100, an unwinding mechanism; 200. a die cutting paper feeding mechanism; 300. a paper strap;
11. a first pull roll; 12. a first press roll; 21. a drive motor; 22. a drive screw; 23. a driving roller; 31. a second press roll; 32. a second pull roll; 41. a tension detection roller; 42. a tension detection sensor; 51. a first deviation detection sensor; 52. a first deviation-rectifying driving roller; 53. a first drive roller; 61. a second deviation detection sensor; 62. a second deviation-rectifying driving roller; 63. a second driving roller; 64. and a third driving roller.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, a web deviation rectifying traction mechanism according to a preferred embodiment of the present invention is disposed between the unwinding mechanism 100 and the die cutting paper feeding mechanism 200, so that the paper tape 300 stably runs from the unwinding mechanism 100 to the die cutting paper feeding mechanism 200, and the influence of tension fluctuation on the operation of the paper tape 300 is reduced. The unwinding mechanism 100 is used for unwinding a material roll; the die-cutting paper feeding mechanism 200 is used for conveying the paper tape 300 to a die-cutting platform for die-cutting processing.
It should be noted that, the present invention does not need to describe in detail the structural components of the unwinding mechanism 100 and the die-cutting paper feeding mechanism 200.
As shown in fig. 1, the web deviation rectifying and pulling mechanism comprises a first deviation rectifying mechanism, a first pulling mechanism, a second deviation rectifying mechanism, a buffering mechanism, a second pulling mechanism and a tension detecting mechanism, which are sequentially arranged, wherein the first deviation rectifying mechanism is used for performing one-time transverse correction on a paper tape conveyed by the unwinding mechanism; the first traction mechanism is used for conveying the paper tape 300 corrected by the first deviation correcting mechanism and is positioned obliquely above one side of the second deviation correcting mechanism, and as shown in fig. 1, the paper tape 300 is conveyed to the second deviation correcting mechanism from the first traction mechanism in a right and downward inclined direction; the second deviation correcting mechanism is used for performing secondary transverse correction on the paper tape transmitted by the first traction mechanism; the buffer mechanism is used for buffering the conveying speed of the paper tape 300, and comprises the steps of increasing the conveying speed of the paper tape 300 or reducing the conveying speed of the paper tape 300 according to the conveying requirement of the paper tape 300 so as to lengthen or shorten the paper tape length between the buffer mechanism and the second traction mechanism; the second traction mechanism is used for conveying the paper tape 300 conveyed by the buffer mechanism and is positioned obliquely above the other side of the buffer mechanism, and as shown in fig. 1, the paper tape 300 is conveyed to the second traction mechanism from the buffer mechanism in an oblique direction from right to top; the tension detection device is used for detecting the tension of the paper tape 300 before the paper tape is conveyed to the die-cutting paper feeding mechanism 200; the paper tape 300 transported by the second traction mechanism is transported to the die cutting paper feeding mechanism 200 by the tension detection device.
The utility model has the advantages that the paper tape is transversely corrected twice by the first and second deviation correcting mechanisms, so that the position of the paper tape transmitted to the die cutting platform by the die cutting paper feeding mechanism is not easy to deviate, thereby improving the die cutting quality; the tension of the paper tape 300 output from the unwinding mechanism 100 is stable through the arranged first traction mechanism, and the tension of the paper tape 300 of the unwinding mechanism 100 is segmented with the tension of the paper tape 300 of the roll paper deviation rectifying traction mechanism and the tension of the paper tape 300 of the die cutting paper feeding mechanism 200, so that the influence of the paper tape tension fluctuation of the unwinding mechanism 100 on the paper tape tension conveyed to the die cutting paper feeding mechanism 200 is reduced, and the paper tape runs stably. The tension of the paper tape 300 before entering the die-cutting paper feeding mechanism 200 can be ensured to be stable by the arranged second traction mechanism, so that the paper feeding stability of the die-cutting paper feeding mechanism 200 is improved. The paper tape transmission speed is buffered through the arranged buffer mechanism so as to ensure the stable operation of the paper tape.
In an optional embodiment, the first deviation rectifying mechanism includes a first deviation rectifying detection sensor 51, a second controller and two first deviation rectifying driving rollers 52, the first deviation rectifying detection sensor 51 is used for detecting signals transmitted by the paper tape to the first deviation rectifying driving rollers 52, the second controller is electrically connected with the first deviation rectifying detection sensor 51 to receive the detection signals of the first deviation rectifying detection sensor 51 and control the first deviation rectifying driving rollers 52 to rotate according to the detection signals, so as to realize the transverse correction of the paper tape transmitted by the two first deviation rectifying driving rollers 52; the two first deviation rectifying driving rollers 52 are oppositely arranged, one of the first deviation rectifying driving rollers 52 is located below the unreeling mechanism, and the other one of the first deviation rectifying driving rollers 52 is located below the first traction mechanism, so that the paper tape entering the first deviation rectifying driving rollers 52 is perpendicular to the paper tape leaving the first deviation rectifying driving rollers 52, and therefore the paper tape can be rectified transversely.
Preferably, a first driving roller 53 is arranged between the first deviation rectifying mechanism and the first traction mechanism. The first driving rollers 53 are located above the first deviation rectifying driving rollers 52 and used for adjusting the transmission direction of the paper tape, so that the paper tape between the two first deviation rectifying driving rollers 52 is perpendicular to the paper tape between the first deviation rectifying driving rollers 52 and the first driving rollers 53, the paper tape is transmitted to the first traction mechanism through the first driving rollers 53, and the tension of the paper tape entering the first traction mechanism can be avoided being too large.
In an alternative embodiment, the first drawing mechanism comprises a first drawing roller 11 and a first pressing roller 12, and the first pressing roller 12 is disposed above the first drawing roller 11 to clamp the paper strip 300. The paper tape 300 is transported by the first drawing roller 11, and the paper tape 300 is pressed between the first pressing roller 12 and the first drawing roller 11 by the first pressing roller 12, so that the paper tape 300 is transported following the first drawing roller 11.
In an optional embodiment, the second deviation rectifying mechanism comprises a second deviation rectifying detection sensor 61, a third controller and two second deviation rectifying driving rollers 62, the second deviation rectifying detection sensor 61 is used for detecting signals transmitted by the paper tape to the second deviation rectifying driving rollers 62, the third controller is electrically connected with the second deviation rectifying detection sensor 61 to receive the detection signals of the second deviation rectifying detection sensor 61 and control the second deviation rectifying driving rollers 62 to rotate according to the detection signals, so that the paper tape transmitted by the two second deviation rectifying driving rollers 62 is transversely rectified again; the two second deviation-rectifying driving rollers 62 are oppositely arranged, one of the second deviation-rectifying driving rollers 62 is positioned below the first traction mechanism, and the other second deviation-rectifying driving roller 62 is positioned below the buffer mechanism, so that the paper tape entering the second deviation-rectifying driving rollers 62 is perpendicular to the paper tape leaving the second deviation-rectifying driving rollers 62.
Further, a second driving roller 63 is arranged between the second deviation rectifying mechanism and the first traction mechanism; and a third driving roller 64 is arranged between the second deviation rectifying mechanism and the buffering mechanism. The second driving roller 63 is positioned above the second deviation-rectifying driving roller 62 close to the first traction mechanism so as to buffer and adjust the paper tape transmission direction; the third driving roller 64 is located above the second deviation rectifying driving roller 62 close to the buffer mechanism and above the driving rollers in the buffer mechanism to change the paper tape transmission direction, so that the transmission paper tape between the two second deviation rectifying driving rollers 62 is mutually perpendicular to the paper tape between the second deviation rectifying driving roller 62 and the third driving roller 64, and the paper tape enters the driving rollers of the buffer mechanism from top to bottom on the other hand, so that the buffer mechanism can adjust the length of the paper tape.
In an alternative embodiment, the buffer mechanism comprises a first controller, a driving device and a driving roller 23, wherein the first controller is electrically connected with the driving device to control the operation of the driving device; the driving device is connected with the driving roller 23 to drive the driving roller 23 to move up and down. Specifically, when the driving roller 23 moves upwards, as shown in fig. 2, the driving roller 23 moves from the position B to the position a, and since the length of the paper tape 300 between the driving roller 23 and the second drawing mechanism is shortened, the speed of transporting the paper tape 300 to the die cutting paper feeding mechanism 200 can be increased, thereby facilitating the transportation of the paper tape 300 to the die cutting platform by the die cutting paper feeding mechanism 200 for the die cutting process. When the driving roller 23 moves downwards, as shown in fig. 2, the driving roller 23 moves from the position a to the position B, and the length of the paper tape between the driving roller 23 and the second deviation rectifying mechanism and the second traction mechanism is increased, so that the paper tape 300 can be stored between the driving roller 23 and the second deviation rectifying mechanism and between the driving roller 23 and the second traction mechanism, thereby reducing the speed of the paper tape 300 in the die cutting paper feeding mechanism 200, and avoiding the situation that the paper tape 300 is stacked in the die cutting paper feeding mechanism 200 when the paper feeding of the die cutting paper feeding mechanism 200 is finished.
Preferably, the driving device comprises a driving motor 21, a driving lead screw 22 and a sliding seat, the driving roller 23 is mounted on the sliding seat, and a roller shaft of the driving roller 23 can be inserted into the sliding seat; the transmission screw 22 is connected with the sliding seat, for example, a through hole is formed in the sliding seat, an internal thread matched with the external thread of the transmission screw 22 is formed in the through hole, and the transmission screw 22 is in threaded connection with the sliding seat, so that when the transmission screw 22 rotates, the sliding seat can be driven to move along the transmission screw 22; the first controller is electrically connected with the driving motor 21 to control the operation of the driving motor 21; the driving motor 21 is connected with the transmission screw 22 to drive the transmission screw 22 to rotate, so as to drive the sliding seat to move up and down, and the driving roller 23 is driven to move up and down through the sliding seat.
Further, the two sliding seats are respectively positioned at two sides of the driving roller 23. One end of the roller shaft of the driving roller 23 is inserted into one of the sliding seats, the other end of the roller shaft of the driving roller 23 is inserted into the other sliding seat, and the driving roller 23 is rotatable with respect to the sliding seats to transport the paper tape 300. Each sliding seat is connected with a transmission lead screw 22, and the corresponding sliding seat is driven to move by the rotation of the transmission lead screw 22.
The utility model discloses in, through the positive and negative rotation of the motor shaft of control driving motor 21, control drive screw 22's direction of rotation to the moving direction of control sliding seat. For example, when the motor shaft rotates in the forward direction, the sliding seat moves upward, and when the motor shaft rotates in the reverse direction, the sliding seat moves downward.
In this embodiment, the driving device realizes the up-and-down movement of the sliding seat through the cooperation of the transmission screw 22 and the sliding seat; in other embodiments, the ball screw and the sliding seat may cooperate to realize the up-and-down movement of the sliding seat, or other driving manners to drive the sliding seat to move up and down.
In an alternative embodiment, the second drawing mechanism comprises a second drawing roller 32 and a second pressing roller 31, and the second pressing roller 31 is disposed above the second drawing roller 32 to clamp the paper strip 300. The web 300 is transported by the second drawing roller 32, the web 300 is pressed between the second pressing roller 31 and the second drawing roller 32 by the second pressing roller 31, and the web 300 is transported following the second drawing roller 32.
In an alternative embodiment, the tension detecting means includes a tension detecting roller 41 and a tension detecting sensor 42, and the tension detecting sensor 42 is provided on the tension detecting roller 41.
Further, the first controller is connected to the tension detection sensor 42 to receive a detection signal of the tension detection sensor 42 and control the operation of the driving device according to the detection signal of the tension detection sensor 42. Specifically, when the tension detected by the tension detecting device exceeds a preset threshold, the first controller receives the detection signal and controls the driving device to drive the driving roller 23 to move upwards, so as to increase the speed of conveying the paper tape 300 into the die-cutting paper feeding mechanism 200 and buffer the paper tape tension.
The control method of the web deviation rectifying traction mechanism is used for controlling the web deviation rectifying traction mechanism, and the control method comprises the following steps:
performing one-time transverse correction on the paper tape 300 conveyed by the unwinding mechanism 100 by using a first deviation correcting mechanism;
conveying the paper tape 300 corrected by the first deviation correcting mechanism by using a first traction mechanism;
carrying out secondary transverse correction on the paper tape 300 conveyed by the first traction mechanism through a second deviation correcting mechanism;
the paper tape subjected to secondary transverse correction is transmitted to a second traction mechanism through a buffer mechanism;
the paper tape 300 is conveyed to the die cutting paper feeding mechanism 200 through the tension detection device by using a second traction mechanism;
when the die-cutting paper feeding mechanism 200 starts to feed paper, the buffer mechanism controls the speed of the paper tape 300 to be transmitted into the die-cutting paper feeding mechanism 200 to be increased; when the die-cutting paper feeding mechanism 200 finishes feeding paper, the buffer mechanism controls the speed of the paper tape 300 to be conveyed into the die-cutting paper feeding mechanism 200 to be reduced.
In an alternative embodiment, the step of the buffering mechanism controlling the speed of the paper strip 300 being fed into the die-cut paper feeding mechanism 200 to be increased when the die-cut paper feeding mechanism 200 starts to feed paper comprises: and driving the driving roller 23 to move upwards by using a driving device so as to shorten the length of the paper tape between the buffer mechanism and the second traction mechanism. Specifically, the driving motor 21 drives the driving screw 22 to rotate, the driving screw 22 drives the sliding seat to move upwards while rotating, and the sliding seat drives the driving roller 23 to move upwards, so that the length of the paper tape between the buffer mechanism and the second traction mechanism is shortened, and the speed of the paper tape being conveyed to the die cutting paper feeding mechanism 200 is increased. When the driving roller 23 moves upwards, the running speed of the die cutting paper feeding mechanism is increased and is higher than the running speeds of the first traction mechanism and the second traction mechanism, so that the paper tape stored between the buffer mechanism and the second traction mechanism is quickly conveyed to the die cutting platform for die cutting treatment.
In an alternative embodiment, the step of the buffering mechanism controlling the speed of the paper strip 300 being transported to the die-cut paper feeding mechanism 200 to be reduced when the die-cut paper feeding mechanism 200 finishes feeding paper comprises: and driving the driving roller 23 to move downwards by using a driving device so as to lengthen the length of the paper tape between the buffer mechanism and the second traction mechanism. Specifically, the driving motor 21 drives the driving screw 22 to rotate, the driving screw 22 drives the sliding seat to move downwards while rotating, and the sliding seat drives the driving roller 23 to move downwards, so that the length of the paper tape between the buffer mechanism and the first traction mechanism is increased, and the speed of the paper tape 300 being conveyed to the die-cutting paper feeding mechanism 200 is reduced. When the driving roller 23 moves downwards, the running speed of the die cutting paper feeding mechanism is reduced and is lower than the running speeds of the first traction mechanism and the second traction mechanism, so that a certain length of paper tape is stored between the buffer mechanism and the second traction mechanism, and the die cutting platform waits for the die cutting platform to perform die cutting processing on the paper tape under the condition that the die cutting paper feeding mechanism does not stop running.
In an optional embodiment, the control method further comprises: when the tension detected by the tension detecting device exceeds a preset threshold, the speed of the paper tape 300 transferred to the die-cutting paper feeding mechanism 200 is controlled by the buffer mechanism to be increased, so that the excessive tension before the paper tape 300 is transferred to the die-cutting paper feeding mechanism 200 is avoided.
In summary, the embodiment of the present invention provides a web deviation rectifying and drawing mechanism, which performs two lateral corrections on a paper tape through a first deviation rectifying mechanism and a second deviation rectifying mechanism, so that the position of the paper tape transmitted to a die cutting platform through a die cutting paper feeding mechanism is not prone to deviation, thereby improving the die cutting quality; the tension of the paper tape 300 output from the unwinding mechanism 100 is stable through the arranged first traction mechanism, and the tension of the paper tape 300 of the unwinding mechanism 100 is segmented with the tension of the paper tape 300 of the roll paper deviation rectifying traction mechanism and the die cutting paper feeding mechanism 200, so that the influence of the paper tape tension fluctuation of the unwinding mechanism 100 on the paper tape tension conveyed to the die cutting paper feeding mechanism 200 is reduced, and the paper tape 300 can stably run. The tension of the paper tape 300 before entering the die-cutting paper feeding mechanism 200 can be ensured to be stable by the arranged second traction mechanism, so that the paper feeding stability of the die-cutting paper feeding mechanism 200 is improved. The paper tape transmission speed is buffered through the arranged buffer mechanism so as to ensure the stable operation of the paper tape.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. A web deviation rectifying traction mechanism, comprising:
the roll web traction mechanism that rectifies sets up between unwinding mechanism and cross cutting paper feeding mechanism, the roll web traction mechanism that rectifies includes:
the paper tape tension detection device comprises a first deviation correcting mechanism, a first traction mechanism, a second deviation correcting mechanism, a buffer mechanism, a second traction mechanism and a tension detection device which are sequentially arranged, wherein the first deviation correcting mechanism is used for carrying out one-time transverse correction on a paper tape conveyed by an unwinding mechanism; the first traction mechanism is used for conveying the paper tape corrected by the first deviation correcting mechanism and is positioned obliquely above one side of the buffer mechanism; the second deviation correcting mechanism is used for performing secondary transverse correction on the paper tape transmitted by the first traction mechanism; the buffer mechanism is used for buffering the conveying speed of the paper tape so as to lengthen or shorten the length of the paper tape between the buffer mechanism and the second traction mechanism; the second traction mechanism is used for conveying the paper tape conveyed by the buffer mechanism and is positioned obliquely above the other side of the buffer mechanism; the tension detection device is used for detecting the tension of the paper tape before the paper tape is conveyed to the die-cutting paper feeding mechanism; and the paper tape transmitted by the second traction mechanism is transmitted to the die cutting paper feeding mechanism through the tension detection device.
2. The web deviation rectifying traction mechanism as claimed in claim 1, wherein the buffer mechanism comprises a first controller, a driving device and a driving roller, the first controller is electrically connected to the driving device, and the driving device is connected to the driving roller to drive the driving roller to move up and down.
3. The web correcting and hauling mechanism as claimed in claim 2, wherein the driving device includes a driving motor, a driving lead screw and a sliding seat, the driving roller is mounted on the sliding seat; the transmission screw rod is connected with the sliding seat; the driving motor is connected with the transmission lead screw.
4. The web correcting and pulling mechanism of claim 1, wherein the first pulling mechanism comprises a first pulling roller and a first pressure roller, and the first pressure roller is disposed above the first pulling roller.
5. The web correcting and pulling mechanism of claim 1, wherein the second pulling mechanism includes a second pulling roller and a second pressure roller, the second pressure roller being disposed above the second pulling roller.
6. The web deviation rectifying traction mechanism as claimed in claim 1, wherein the first deviation rectifying mechanism comprises a first deviation rectifying detection sensor, a second controller and two first deviation rectifying driving rollers, the first deviation rectifying detection sensor is used for detecting signals transmitted by the paper tape to the first deviation rectifying driving rollers, the second controller is electrically connected with the first deviation rectifying detection sensor, the two first deviation rectifying driving rollers are oppositely arranged, one of the first deviation rectifying driving rollers is located below the unwinding mechanism, and the other one of the first deviation rectifying driving rollers is located below the first traction mechanism, so that the paper tape entering the first deviation rectifying driving rollers is perpendicular to the paper tape leaving the first deviation rectifying driving rollers.
7. The web correcting traction mechanism of claim 6 wherein a first drive roller is disposed between the first correcting mechanism and the first traction mechanism.
8. The web deviation rectifying traction mechanism as claimed in claim 1, wherein the second deviation rectifying mechanism comprises a second deviation rectifying detection sensor, a third controller and two second deviation rectifying driving rollers, the second deviation rectifying detection sensor is used for detecting signals transmitted by the paper tape to the second deviation rectifying driving rollers, the third controller is electrically connected with the second deviation rectifying detection sensor, the two second deviation rectifying driving rollers are oppositely arranged, one of the second deviation rectifying driving rollers is located below the first traction mechanism, and the other of the second deviation rectifying driving rollers is located below the buffering mechanism, so that the paper tape entering the second deviation rectifying driving rollers is perpendicular to the paper tape leaving the second deviation rectifying driving rollers.
9. The web correcting and pulling mechanism according to claim 8, wherein a second driving roller is arranged between the second correcting and pulling mechanism and the first pulling mechanism; and a third driving roller is arranged between the second deviation rectifying mechanism and the buffer mechanism.
10. The web correcting draft mechanism according to claim 1, wherein the tension detecting means includes a tension detecting roller and a tension detecting sensor, the tension detecting sensor being provided on the tension detecting roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120117001.XU CN214610612U (en) | 2021-01-15 | 2021-01-15 | Web deviation rectifying traction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120117001.XU CN214610612U (en) | 2021-01-15 | 2021-01-15 | Web deviation rectifying traction mechanism |
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| CN214610612U true CN214610612U (en) | 2021-11-05 |
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| CN202120117001.XU Active CN214610612U (en) | 2021-01-15 | 2021-01-15 | Web deviation rectifying traction mechanism |
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