CN217805580U - Automatic positioning paper cutting device - Google Patents
Automatic positioning paper cutting device Download PDFInfo
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- CN217805580U CN217805580U CN202222278240.0U CN202222278240U CN217805580U CN 217805580 U CN217805580 U CN 217805580U CN 202222278240 U CN202222278240 U CN 202222278240U CN 217805580 U CN217805580 U CN 217805580U
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Abstract
The utility model discloses an automatic location paper cutting device, including intermittent motion mechanism, drive mechanism, compensation mechanism, conveying roller, take-up pulley, paper feed dish, detection sensor, rotatory decoder, servo motor, paper cutting mechanism. The intermittent motion mechanism drives a conveying roller through a transmission mechanism, the paper strips are conveyed to a cutting position, the paper strip position is detected by a detection sensor before paper cutting, and a servo motor is controlled by a rotary decoder to drive a compensation mechanism to compensate the offset position. Through the steps, the device can correct the accumulated error of each cutting, and the completeness of the paper strip cutting pattern is guaranteed.
Description
Technical Field
The utility model relates to a paper cutting device, more specifically, the utility model relates to an automatic location paper cutting device.
Background
In the cigarette case package, a concave hard liner paper frame is arranged inside, and white paperboard is generally adopted. The traditional white cardboard cutting device is used for cutting off the white cardboard at a fixed length, and the cutting length of the white cardboard can only be controlled within a certain range.
When an advertisement pattern or a trademark is printed on the white cardboard, the cardboard needs to be cut at a fixed point. The GD packing machine used at present can ensure that the length of each piece of white cardboard cut out is consistent. However, the GD packaging machine cannot correct the accumulated error of each cutting, and the accumulated error may cause the cutting point not to be at the predetermined position along with the continuous cutting, resulting in incomplete cutting paper pattern.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides an automatic location paper cutting device to solve current GD packagine machine and cut the incomplete problem of area card paper pattern.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an automatic location paper cutting device, include: the paper feeding device comprises an intermittent motion mechanism, a transmission mechanism, a compensation mechanism, a conveying roller, a tensioning wheel, a paper feeding disc, a detection sensor, a rotary decoder, a servo motor and a paper cutting mechanism;
the intermittent motion structure is connected with a power source and a transmission mechanism, the transmission mechanism comprises a compensation mechanism, and the transmission mechanism is connected with the conveying roller;
the tension wheel is arranged behind the paper feeding disc, and the conveying roller, the detection sensor and the paper cutting mechanism are sequentially arranged behind the tension wheel;
the detection sensor is connected with the rotary decoder, the rotary decoder is connected with the servo motor, and the servo motor is connected with the compensation mechanism.
Before the equipment runs, the paper strips needing to be cut are drawn out from the paper feeding disc, pass through the tension wheel and the conveying roller, are conveyed to the paper cutting mechanism, and then the equipment is started. After the device is started, the power source starts to operate, the intermittent motion mechanism converts continuous motion of the power source into intermittent motion and transmits the intermittent motion to the conveying roller, the conveying roller conveys the paper slip with preset length to the paper cutting mechanism, and the detection sensor detects the marked position on the paper slip. If the mark is found to lag or move forwards, an offset signal is sent to the rotary decoder, the offset of the paper slip is calculated by the rotary decoder, the servo motor is controlled to start, the servo motor is connected with the compensation mechanism and drives the compensation mechanism to operate, the compensation mechanism drives the conveying roller through the transmission mechanism, the fine adjustment of the position of the paper slip is realized, and the compensation of the offset of the inner frame paper is realized.
The intermittent motion mechanism has high precision, so that the offset generated by paper feeding is small, the time required for adjustment is very short, the paper cutting mechanism only needs to cut paper under the control of the controller according to a certain time interval, the paper can be cut after the completion of conveying and position compensation, and paper scraps after the position compensation and adjustment are obtained after the paper cutting. This device can guarantee that scraps of paper cutting position can not lead to the skew because of cutting the accumulation many times, guarantees that the pattern is complete on the scraps of paper.
A further technical scheme is that the transmission mechanism adopts gear transmission and comprises: the conveying device comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a sixth gear, wherein the compensating mechanism is a gear, and the conveying roller comprises a first conveying roller and a second conveying roller;
the first gear is connected with the intermittent motion mechanism through a shaft and is meshed with the compensation mechanism, the compensation mechanism is connected with the second gear through a shaft, and the compensation mechanism drives the second gear through shaft transmission; because the compensation mechanism is connected with the servo motor, meshed with the first gear and connected with the second gear shaft, the compensation mechanism can transmit the motion of the servo motor and the first gear to the second gear, and the effects of motion transmission and compensation transmission are realized.
The third gear is meshed with the fifth gear, the fourth gear is meshed with the sixth gear, the third gear drives the fifth gear through meshing, and the fourth gear drives the sixth gear through meshing;
the first conveying roller is connected with the fifth gear through a shaft, and the second conveying roller is connected with the sixth gear through a shaft. The fifth gear and the sixth gear drive the first conveying roller and the second conveying roller to convey the paper strips to be cut to the paper cutting mechanism through friction.
According to a further technical scheme, the paper cutting machine further comprises a left limiting device and a right limiting device, wherein the left limiting device and the right limiting device are arranged behind the conveying roller and in front of the paper cutting mechanism, and the left limiting device and the right limiting device can prevent paper slips from being deviated left and right during detection, so that accurate cutting cannot be completed.
According to a further technical scheme, the left and right limiting device comprises a left baffle and a right baffle which are L-shaped, a gap is formed between the left baffle and the right baffle, and the distance between the baffles is equal to the width of the paper slip.
A further technical scheme is that the paper cutting machine further comprises a vertical limiting device, and the left and right vertical device is arranged behind the conveying roller and in front of the paper cutting mechanism. Vertical stop device avoids the note skew from top to bottom when detecting, leads to unable completion accurate cutting.
A further technical scheme is that the vertical limiting device comprises: the connecting shaft is provided with a positioning component, and the deep groove ball bearing is arranged on the connecting shaft. The vertical limiting device is arranged above the paper slip through the positioning component, and the paper slip is prevented from being warped on one side when passing through.
The still further technical scheme is that the intermittent motion mechanism is a sheave mechanism, and the sheave mechanism can convert the continuous motion of the power source into intermittent motion.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the device can solve the problem that the error of the existing GD packaging machine cannot be compensated in continuous cutting, and the cutting point is not at the preset position due to accumulated error, and can ensure the completeness of the cut paperboard pattern.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is a sectional view of the lateral limiting device, the vertical limiting device and the detection sensor.
Fig. 3 is a structural view of a vertical stopper.
In the figure, 1, an intermittent motion mechanism; 2. a transmission mechanism; 21. a first gear; 22. a second gear; 23. a third gear; 24. a fourth gear; 25. a fifth gear; 26. a sixth gear; 3. a compensation mechanism; 4. a conveying roller; 41. a first conveying roller; 42. a second conveying roller; 5. a tension pulley; 6. a paper feed tray; 7. a detection sensor; 8. a paper cutting mechanism; 9. rotating the decoder; 10. a servo motor; 11. a left and right limiting device; 12. a vertical limiting device; 121. a connecting shaft; 122-1, a first deep groove ball bearing; 122-2, a second deep groove ball bearing;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides an automatic location paper cutting device, include: the intermittent motion mechanism 1, the transmission mechanism 2, the compensation mechanism 3, the conveying roller 4, the tension pulley 5, the paper feeding tray 6, the detection sensor 7, the paper cutting mechanism 8, the rotary decoder 9 and the servo motor 10;
the intermittent motion mechanism 1 is connected with a power source and a transmission mechanism 2, the compensation mechanism 3 is connected with the transmission mechanism 2, on one hand, the compensation mechanism 3 participates in power transmission on the transmission mechanism 2, on the other hand, external compensation power can be input into the transmission mechanism 2, and the transmission mechanism 2 is connected with the conveying roller 4;
the intermittent motion mechanism 1 can be a geneva mechanism or a motor controlled by a PLC (programmable logic controller). In an embodiment of the present invention, a geneva mechanism is used, which can convert the continuous motion of the power source into intermittent motion.
The transmission mechanism 2 may be a belt transmission or a gear transmission, and in this embodiment, a gear transmission is adopted. The gear transmission mechanism 2 specifically includes a first gear 21, a second gear 22, a third gear 23, a fourth gear 24, a fifth gear 25, and a sixth gear 26.
The compensating mechanism 3 may be a gear or a belt pulley according to the transmission mode of the transmission mechanism 2, and in this embodiment, the compensating mechanism 3 is a gear.
The specific connection relationship of the above components is that the first gear 21 is connected with the intermittent motion mechanism 1 through a shaft and is meshed with the compensation mechanism 3, when the equipment runs, the intermittent motion mechanism 1 transmits power to the first gear 21 through shaft transmission, and the first gear 21 drives the compensation mechanism 3 through meshing.
The compensation mechanism 3 is connected with the second gear 22 through a shaft, and the compensation mechanism 3 drives the second gear 22 through shaft transmission.
The second gear 22 is engaged with the third gear 23 and the fourth gear 24, and the second gear 22 drives the third gear 23 and the fourth gear 24 through engagement.
The third gear 23 is meshed with the fifth gear 25, the fourth gear 24 is meshed with the sixth gear 26, the third gear 23 drives the fifth gear 25 through meshing, and the fourth gear 24 drives the sixth gear 26 through meshing.
The tension pulley 5 is arranged behind the paper feed tray 6, and the conveying roller 4, the detection sensor 7 and the paper cutting mechanism 8 are arranged behind the tension pulley 5 in sequence;
the conveyor roller 4 includes a first conveyor roller 41 and a second conveyor roller 42, wherein the first conveyor roller 41 is connected to the fifth gear 25 through a shaft, and the second conveyor roller 42 is connected to the sixth gear 26 through a shaft. The first conveying roller 41 and the second conveying roller 42 convey the paper strip to be cut to the paper cutting mechanism 8 by friction.
The detection sensor 7 is connected with a rotary decoder 9, the rotary decoder 9 is connected with a servo motor 10, and the servo motor 10 is connected with the compensation mechanism 3 through a shaft. The detection sensor 7 checks the position of the mark on the paper strip. If the mark is found to lag behind or move forwards, a deviation signal is sent to the rotary decoder 9, the deviation amount of the paper strip is calculated by the rotary decoder 9, the servo motor 10 is controlled to be started, the servo motor 10 drives the compensation mechanism 3 to operate, and the compensation mechanism 3 drives the first conveying roller 41 and the second conveying roller 42 through the transmission mechanism 2 to realize fine adjustment of the position of the paper strip.
It should be further noted that the paper cutting mechanism 8 may be mechanically driven by a transmission device to realize intermittent cutting, or may realize intermittent cutting by separately arranging a controller and a power source, where the controller may be a PLC controller, and the power source may be an air cylinder; in the embodiment, the PLC is adopted to control the cylinder to move intermittently to cut.
It should be further noted that the number of the tensioning wheels 5 is preferably 2-3, and this arrangement can further ensure that the tensioning wheels 5 can perform effective tensioning.
Before the device operates, the paper strips needing to be cut are drawn out of the paper feeding tray 6, pass through the tension wheel 5, the first conveying roller 41 and the second conveying roller 42, are conveyed to the paper cutting mechanism 8, and then the device is started. After the device is started, the power source starts to operate, the intermittent motion mechanism 1 converts continuous motion of the power source into intermittent motion and transmits the intermittent motion to the transmission mechanism 2, and the transmission mechanism 2 drives the first conveying roller 41 and the second conveying roller 42 to convey the paper strips forwards. The paper slip has a mark point every other fixed length, and when the mark point of the paper slip reaches the detection range of the detection sensor 7, the detection sensor 7 detects the mark position on the paper slip. If the mark is found to lag or move forwards, an offset signal is sent to the rotary decoder 9, the offset of the paper slip is calculated by the rotary decoder 9, the servo motor 10 is controlled to be started, the servo motor 10 drives the compensation mechanism 3 to operate, the compensation mechanism 3 drives the first conveying roller 41 and the second conveying roller 42 through the transmission mechanism 2, fine adjustment of the position of the paper slip is achieved, and the paper slip is guaranteed to be in an accurate position before being cut. After the position adjustment is completed, the paper cutting mechanism 8 completes the cutting. This device can guarantee that scraps of paper cutting position can not lead to the skew because of cutting the accumulation many times, guarantees that the pattern is complete on the scraps of paper.
In order to further optimize the scheme, the embodiment of the utility model makes a further improvement on the basis of the above-mentioned embodiment, and the automatic positioning paper cutting device still includes about stop device 11, vertical stop device 12.
As shown in fig. 2, the left and right stoppers 11 and the vertical stopper 12 are provided behind the feed roller 4 and in front of the paper cutting mechanism 8. The detection sensor 7 is arranged below the left and right limiting devices 11, and the vertical limiting device 12 is arranged on the left and right limiting devices 11.
And the left and right limiting devices 11 comprise a left baffle and a right baffle which are L-shaped, a gap is formed between the left baffle and the right baffle, and the distance between the baffles is equal to the width of the paper slip. The left and right limiting devices 11 can prevent the paper strips from shifting left and right during detection.
The vertical limiting device 12 is arranged in the left limiting device baffle and the right limiting device baffle. The vertical stopper 12 includes: a connecting shaft 121, a first deep groove ball bearing 122-1 and a second deep groove ball bearing 122-2. The connecting shaft 121 is provided with a positioning component, the first deep groove ball bearing 122-1 and the second deep groove ball bearing 122-2 are respectively installed at two ends of the connecting shaft 121, the vertical limiting device 12 is installed above the paper slip through the positioning component, and when the paper slip passes through the vertical limiting device, the vertical direction of the paper slip is limited by the first deep groove ball bearing 122-1 and the second deep groove ball bearing 122-2, so that one side of the paper slip is prevented from tilting.
It should be further noted that the positioning component may be a slot, a screw hole, or a fixing hole, and in this embodiment, the slot is used as a fixing component, so that it is easy to mount and dismount.
The left limiting device 11, the right limiting device 12 and the vertical limiting device 12 can ensure that the paper slip is in the correct position when the marking position is detected, and the device is ensured to realize accurate cutting.
Although the invention has been described herein with reference to the illustrated embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure herein. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (7)
1. An automatic positioning paper cutting device, characterized by, includes: the paper feeding device comprises an intermittent motion mechanism, a transmission mechanism, a compensation mechanism, a conveying roller, a tensioning wheel, a paper feeding disc, a detection sensor, a rotary decoder, a servo motor and a paper cutting mechanism;
the intermittent motion mechanism is connected with a power source and a transmission mechanism, the transmission mechanism comprises a compensation mechanism, and the transmission mechanism is connected with the conveying roller;
the tension wheel is arranged behind the paper feeding disc, and the conveying roller, the detection sensor and the paper cutting mechanism are sequentially arranged behind the tension wheel;
the detection sensor is connected with the rotary decoder, the rotary decoder is connected with the servo motor, and the servo motor is connected with the compensation mechanism.
2. The automatic positioning paper cutting device as claimed in claim 1, wherein the transmission mechanism adopts a gear transmission, comprising: the device comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a sixth gear, wherein the compensating mechanism is a gear, and the conveying roller comprises a first conveying roller and a second conveying roller;
the first gear is connected with the intermittent motion mechanism through a shaft and is meshed with the compensation mechanism, the compensation mechanism is connected with the second gear through a shaft, and the compensation mechanism drives the second gear through shaft transmission;
the third gear is meshed with the fifth gear, the fourth gear is meshed with the sixth gear, the third gear drives the fifth gear through meshing, and the fourth gear drives the sixth gear through meshing;
the first conveying roller is connected with the fifth gear through a shaft, and the second conveying roller is connected with the sixth gear through a shaft.
3. The automatic positioning paper cutting device according to claim 1, further comprising left and right stoppers disposed behind the feed roller and in front of the paper cutting mechanism.
4. An automatic positioning paper cutting device as claimed in claim 3, wherein the left and right limiting means comprise left and right L-shaped baffles with a gap therebetween, and the distance between the baffles is equal to the width of the paper slip.
5. The automatic positioning cutting device according to claim 1, further comprising a vertical stop device disposed after the set of feed rollers and before the cutting mechanism.
6. An automatic positioning paper cutting device as claimed in claim 5, wherein said vertical limiting means comprises: the connecting shaft is provided with a positioning component, and the deep groove ball bearing is arranged on the connecting shaft.
7. An automatic positioning paper cutting device as claimed in claim 1, wherein the intermittent motion mechanism is a geneva mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278240.0U CN217805580U (en) | 2022-08-29 | 2022-08-29 | Automatic positioning paper cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222278240.0U CN217805580U (en) | 2022-08-29 | 2022-08-29 | Automatic positioning paper cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217805580U true CN217805580U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222278240.0U Active CN217805580U (en) | 2022-08-29 | 2022-08-29 | Automatic positioning paper cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217805580U (en) |
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2022
- 2022-08-29 CN CN202222278240.0U patent/CN217805580U/en active Active
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