CN214610613U - Double-traction mechanism - Google Patents
Double-traction mechanism Download PDFInfo
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- CN214610613U CN214610613U CN202120123740.XU CN202120123740U CN214610613U CN 214610613 U CN214610613 U CN 214610613U CN 202120123740 U CN202120123740 U CN 202120123740U CN 214610613 U CN214610613 U CN 214610613U
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- paper tape
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- traction mechanism
- traction
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Abstract
The utility model relates to the technical field of printing, and discloses a double-traction mechanism, which comprises a first traction mechanism, a buffer mechanism, a second traction mechanism and a tension detection mechanism which are arranged in sequence, wherein the first traction mechanism is used for conveying paper tapes conveyed by an unreeling mechanism and is positioned obliquely above one side of the buffer mechanism; the buffer mechanism is used for buffering the transmission speed of the paper tape; 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. The utility model discloses can guarantee paper tape steady operation, reduce the influence of tension fluctuation to the paper tape operation.
Description
Technical Field
The utility model relates to a printing technology field especially relates to a double-traction mechanism.
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. In a high-speed flat-pressing flat-die cutting system for roll paper, the tension of a paper tape is stably controlled, so that the paper tape stably runs, and the influence of tension fluctuation on the paper tape is reduced.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a double-traction mechanism to guarantee paper tape steady operation, reduce the influence of tension fluctuation to the paper tape operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
double-traction mechanism sets up between unwinding mechanism and cross cutting paper feeding mechanism, double-traction mechanism includes:
the paper tape unwinding device comprises a first traction mechanism, a buffer mechanism, a second traction mechanism and a tension detection mechanism which are sequentially arranged, wherein the first traction mechanism is used for conveying a paper tape conveyed by an unwinding mechanism and is positioned obliquely above one side of the buffer 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 controller, a driving device and a driving roller, the 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 to drive the transmission lead screw to rotate so as to drive the sliding seat to move up and down.
Preferably, the sliding seats are two, one for each end of the driving roller.
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 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 two traction mechanism compares with prior art, and its beneficial effect lies in:
the utility model discloses two drive mechanism make the tension of the paper tape of following unwinding mechanism output stable through the first drive mechanism who sets up to, the tension of the paper tape of unwinding mechanism and the tension of two drive mechanism, cross cutting paper feeding mechanism's paper tape segment, reduce the influence of the paper tape tension fluctuation of unwinding mechanism to carrying to cross cutting paper feeding mechanism's paper tape tension, so that paper tape steady operation. 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 diagram of a dual traction 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. and a tension detection sensor.
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 dual drawing 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 running 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 double-traction mechanism includes a first traction mechanism, a buffer mechanism, a second traction mechanism and a tension detection mechanism, which are sequentially arranged, wherein the first traction mechanism is used for conveying the paper tape 300 conveyed by the unwinding mechanism 100 and is located obliquely above one side of the buffer mechanism, and as shown in fig. 1, the paper tape 300 is conveyed to the buffer mechanism from the first traction mechanism in a direction inclined to the lower right; 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 discloses a tension that the first drive mechanism who sets up makes the paper tape 300 from the 100 outputs of unwinding mechanism is stable to, the tension of the paper tape 300 with unwinding mechanism 100 and the tension of the paper tape 300 of two drive mechanisms, cross cutting paper feeding mechanism 200 segment, reduce the paper tape tension fluctuation of unwinding mechanism 100 and carry to the tensile influence of paper tape of cross cutting paper feeding mechanism 200, so that the paper tape steady operation. 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 alternative embodiment, the buffer mechanism comprises a controller, a driving device and a driving roller 23, wherein the 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 lengths of the paper tape 300 between the driving roller 23 and the first traction mechanism and between the driving roller 23 and the second traction mechanism are shortened, the speed of conveying the paper tape 300 into the die-cutting paper feeding mechanism 200 can be increased, so that the die-cutting paper feeding mechanism 200 can convey the paper tape 300 to the die-cutting platform 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 first traction mechanism and the length of the paper tape between the driving roller 23 and the second traction mechanism are increased, so that the paper tape 300 can be stored between the driving roller 23 and the first traction 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 preventing the paper tape 300 from being 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 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 arranged at two ends 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 first drawing mechanism comprises a first drawing roller 11 and a first pressing roller 12, and the first pressing roller 12 is arranged above the first drawing roller 11. 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 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 arranged above the second drawing roller 32. 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 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 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.
Control method of two traction mechanism for control as above two traction mechanism, control method includes:
the paper tape 300 conveyed by the unwinding mechanism 100 is conveyed by a first traction mechanism;
the paper tape 300 conveyed by the first traction mechanism is conveyed to the second traction mechanism through the 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.
The first traction mechanism is used for drawing the paper tape 300 conveyed from the unwinding mechanism 100, so that the influence of the tension fluctuation of the paper tape of the unwinding mechanism 100 on the tension of the paper tape conveyed to the die cutting paper feeding mechanism 200 can be reduced, and the paper tape 300 can stably run; the speed of the paper tape 300 transmitted to the die-cutting paper feeding mechanism 200 is controlled by the buffer mechanism, so that the tension of the paper tape can be stabilized, the paper tape 300 can stably run, and the paper tape 300 can be prevented from being stacked in the die-cutting paper feeding mechanism 200; the second drawing mechanism transfers the paper tape 300 to ensure that the tension of the paper tape 300 before entering the die-cutting paper feeding mechanism 200 is stable, thereby improving the paper feeding stability of the die-cutting paper feeding mechanism 200.
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.
To sum up, the embodiment of the present invention provides a double-traction mechanism and a control method thereof, which stabilize the tension of the paper tape 300 outputted from the unwinding mechanism 100 through the set first traction mechanism, and segment the tension of the paper tape 300 of the unwinding mechanism 100 and the tension of the paper tape 300 of the double-traction mechanism and the die-cutting paper feeding mechanism 200, thereby reducing 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, and enabling the paper tape 300 to stably operate. 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 (7)
1. The utility model provides a two traction mechanism, its characterized in that, two traction mechanism set up between unwinding mechanism and cross cutting paper feeding mechanism, two traction mechanism include:
the device comprises a first traction mechanism, a buffer mechanism, a second traction mechanism and a tension detection device which are sequentially arranged, wherein the first traction mechanism is used for conveying a paper tape conveyed by an unreeling mechanism and is positioned above one side of the buffer mechanism in an inclined mode; 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 dual traction mechanism as claimed in claim 1, wherein the buffer mechanism comprises a controller, a driving device and a driving roller, the 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.
3. The dual traction mechanism as claimed in claim 2, wherein the drive means comprises a drive motor, a drive screw and a sliding block, the drive roller being mounted on the sliding block; the transmission screw rod is connected with the sliding seat; the driving motor is connected with the transmission lead screw to drive the transmission lead screw to rotate so as to drive the sliding seat to move up and down.
4. A twin traction mechanism as defined in claim 3 in which there are two slide blocks, one for each end of the drive roller.
5. The dual pulling mechanism of claim 1, wherein the first pulling mechanism comprises a first pulling roll and a first pressure roll, the first pressure roll being disposed above the first pulling roll.
6. The dual pulling mechanism of claim 1, wherein the second pulling mechanism comprises a second pulling roll and a second pressure roll, the second pressure roll being disposed above the second pulling roll.
7. The dual puller mechanism as set forth in claim 1 wherein said tension sensing device includes a tension sensing roller and a tension sensing sensor, said tension sensing sensor being disposed on said tension sensing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123740.XU CN214610613U (en) | 2021-01-15 | 2021-01-15 | Double-traction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123740.XU CN214610613U (en) | 2021-01-15 | 2021-01-15 | Double-traction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214610613U true CN214610613U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120123740.XU Active CN214610613U (en) | 2021-01-15 | 2021-01-15 | Double-traction mechanism |
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|---|---|
| CN (1) | CN214610613U (en) |
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2021
- 2021-01-15 CN CN202120123740.XU patent/CN214610613U/en active Active
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