CN211104264U - Rotary cutter paper cutting device - Google Patents
Rotary cutter paper cutting device Download PDFInfo
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- CN211104264U CN211104264U CN201922101896.3U CN201922101896U CN211104264U CN 211104264 U CN211104264 U CN 211104264U CN 201922101896 U CN201922101896 U CN 201922101896U CN 211104264 U CN211104264 U CN 211104264U
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- 238000005520 cutting process Methods 0.000 title claims abstract description 103
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003028 elevating effect Effects 0.000 abstract description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000007774 longterm Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a rotary cutter paper cutting device, including the clamping and sending device, be located the paper roll that cuts of clamping and sending device one side, be located the paper break bed knife of cut paper roll below, be located the paper break bed knife and keep away from the conveyor of clamping and sending device one side, install the elevating gear at clamping and sending device one end and be used for driving the first drive arrangement who send the device and cut the paper roll, elevating gear can drive clamping and sending the device and go up and down with clamping and sending the paper, cut the paper break knife that is provided with helical structure on the paper roll, the spiral angle of paper break knife is the acute angle, when the paper roll was rotated is cut in the drive of first drive arrangement, paper break knife and the contact of paper break bed knife are in order to cut off. The utility model discloses a spiral helicine paper sword that breaks reaches the effect of cutting off the paper through the form of shearing, and the impact force that the paper cutting process interrupted the paper sword and bore reduces greatly to reduce the intensity requirement to the paper sword that breaks, reduce the diameter of paper sword that breaks, simplify equipment structure, reduced the replacement cost of paper sword that breaks.
Description
Technical Field
The utility model relates to a paper breaking equipment technical field, concretely relates to rotary cutter paper breaking device.
Background
The paper cutter is a special device for cutting printed continuous paper into single-page paper with the same specification along a conveying line by a paper cutter, compared with the traditional manual cutting, the prior paper cutter is largely used, so that the production preparation time is shorter, the cutting precision is higher, can meet different cutting requirements, most of the paper cutters of the prior domestic flexographic printing machines adopt a hob cutter cutting mode, namely, a cutter is arranged on a bottom roller, the paper in the process of running is cut off by the rotary rolling mode and the bed knife, but because the front contact between the knife and the bed knife is required for the cutting in the mode, the friction force at the moment of the contact between the knife and the bed knife in the cutting process is large, the knife edge is easy to be seriously abraded after long-term use, therefore, the cutting sizes of the paper are different, a large amount of raw materials are scrapped, and the blade needs to be replaced frequently, so that the equipment cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotary cutter paper breaking device adopts spiral helicine cutting edge to reach the effect of cutting off through the form of shearing, alleviates the load of paper breaking cutter and makes its more durable succinct, simplifies operator's operation process, strengthens flexographic printing machine's multifunctionality.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a rotary cutter paper cutting device, include pinch device, be located pinch device one side cut the paper roll, be located cut paper bed knife, be located of cut paper roll below the paper bed knife is kept away from pinch device one side conveyor, install pinch device one end the elevating gear and be used for the drive pinch device with cut the first drive arrangement of paper roll, elevating gear can drive pinch device goes up and down with pressing from both sides the paper, cut the paper roll on be provided with helical structure's disconnected paper sword, the spiral angle of disconnected paper sword is the acute angle, first drive arrangement drive when cutting the paper roll and rotating, disconnected paper sword with disconnected paper bed knife contact is in order to cut off the paper.
As a preferred scheme of the rotary cutter paper breaking device, the clamping and conveying device comprises a transmission bottom roller, a paper pressing rubber roller clutch mechanism and two paper pressing rubber rollers which are arranged on the paper pressing rubber roller clutch mechanism at intervals, and the lifting device can drive the paper pressing rubber rollers to be in contact with the transmission bottom roller so as to fix paper.
As a preferred scheme of the rotary cutter paper cutting device, the paper pressing rubber roll clutch mechanism comprises a fixing plate and a transmission shaft, a through hole is formed in the fixing plate, the transmission shaft penetrates through the through hole and is fixed on the fixing plate, and the two paper pressing rubber rolls are sleeved on the transmission shaft and are arranged at intervals along the length direction of the transmission shaft.
As a preferable scheme of the rotary cutter paper breaking device, the lifting device is a lifting cylinder, and the lifting cylinder is installed at one end of the fixing plate to drive the paper pressing rubber roller to descend to be in contact with the transmission bottom roller or ascend to be higher than the transmission bottom roller.
As a preferable scheme of the rotary cutter paper cutting device, the first driving device includes a first servo motor and a second servo motor, the first servo motor is installed at one end of the transmission bottom roller to drive the transmission bottom roller to selectively rotate, and the second servo motor is installed at one end of the paper cutting roller to drive the paper cutting roller to selectively rotate.
As a preferred scheme of the rotary cutter paper cutting device, the paper cutting bed knife comprises a first bed knife, a second bed knife and a third bed knife, the first bed knife is connected with one side of the second bed knife, the third bed knife is connected with one side, far away from the first bed knife, of the second bed knife, and when the second servo motor drives the paper cutting roller to rotate, the paper cutting knife is in contact with the second bed knife.
As a preferred scheme of the rotary cutter paper breaking device, the first bed knife is of a trapezoidal structure with a wide upper part and a narrow lower part, the second bed knife is of a square structure, the top surface of the first bed knife and the side surface of the second bed knife are arranged in acute angles, the bottom surface of the first bed knife and the bottom surface of the third bed knife are arranged in parallel along the horizontal direction, the third bed knife is provided with an inclined surface connected with the second bed knife, and the bottom surface of the third bed knife and the side surface of the second bed knife are arranged in obtuse angles.
As a preferred scheme of the rotary cutter paper cutting device, the paper cutting knife comprises a connecting portion and a cutting portion, the two sides of the connecting portion are of arc structures, the cutting portion is of a triangular structure, and the connecting portion and the cutting portion are integrally formed and extend along the length direction of the paper cutting roller.
As a preferable scheme of the rotary cutter paper cutting device, the conveying device comprises two conveying belts and a second driving device, the conveying belts are arranged at intervals along the conveying direction, and the second driving device is installed on one side of the conveying belts to drive the conveying belts to rotate.
As a preferable scheme of the rotary cutter paper cutting device, the second driving device includes a third servo motor and a fourth servo motor, the third servo motor is installed at one end of one of the conveyer belts, and the fourth servo motor is installed at one end of the other conveyer belt.
The utility model has the advantages that:
(1) the utility model discloses a spiral helicine rotor reaches the effect of cutting off the paper through the form of shearing, and the impact force that the paper cutting process interrupted the paper sword and bore reduces greatly to reduce the intensity requirement to disconnected paper sword, reduce the diameter of disconnected paper sword, the simplified equipment structure has reduced the replacement cost of disconnected paper sword, and the vibrations greatly reduced of disconnected paper process interruption paper sword moreover reduces the influence of vibrations to whole device.
(2) The utility model discloses a slick and sly thick blade has been chooseed for use to spiral blade shape and helix angle on the adjustment paper knife that cuts off, has both guaranteed to cut off the paper, has guaranteed the long-term result of use of paper knife again.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a rotary cutter paper cutting device according to an embodiment of the present invention.
Fig. 2 is a top view of a rotary cutter paper cutting device according to an embodiment of the present invention.
Fig. 3 is a side view of a rotary cutter paper cutting device according to an embodiment of the present invention.
Fig. 4 is a side view of a paper cutting bed knife and paper cutting rolls according to an embodiment of the present invention.
In fig. 1 to 4:
1. a clamping and conveying device; 11. a drive bottom roller; 12. a paper pressing rubber roll clutch mechanism; 121. a fixing plate; 122. a drive shaft; 13. a paper pressing rubber roll;
2. paper cutting rolls;
3. a paper breaking bed knife; 31. a first bed knife; 32. a second bed knife; 33. a third bed knife;
4. a conveying device;
5. a paper cutter; 51. a connecting portion; 52. a cutting part.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the rotary cutter paper cutting device in the embodiment of the present invention includes a clamping and conveying device 1, a paper cutting roller 2 located on one side of the clamping and conveying device 1, a paper cutting bed knife 3 located below the paper cutting roller 2, a conveying device 4 located on one side of the clamping and conveying device 1 and far away from the paper cutting bed knife 3, a lifting device installed at one end of the clamping and conveying device 1, and a first driving device used for driving the clamping and conveying device 1 and the paper cutting roller 2, wherein the lifting device can drive the clamping and conveying device 1 to lift and convey paper, the paper cutting roller 2 is provided with a paper cutting knife 5 of a spiral structure, a spiral angle of the paper cutting knife 5 is an acute angle, and when the first driving device drives the paper cutting roller 2 to rotate, the paper cutting knife 5 contacts with the paper cutting bed knife 3 to cut paper.
This embodiment presss from both sides tight paper and conveys to cutting roller 2 department through pinch device 1, drive arrangement drive cutting roller 2 rotates, make the spiral cutting edge of disconnected paper sword 5 contact with disconnected paper bed knife 3 in the rotation process successively, reach the effect of cutting off the paper through the form of cuting, the impact force that paper sword 5 bore is interrupted in the paper cutting process reduces greatly, thereby reduce the intensity requirement to disconnected paper sword 5, reduce the diameter of disconnected paper sword 5, the equipment structure is simplified, the replacement cost of disconnected paper sword 5 has been reduced, and the vibrations greatly reduced of disconnected paper process interruption paper sword 5, thereby reduce the influence of vibrations to whole device. Through the adjustment to the spiral blade shape and the spiral angle on the paper cutter 5, smooth and thick paper cutter 5 cutting edge has been selected for use to this embodiment, has both guaranteed to cut off the paper, has guaranteed the long-term result of using of paper cutter 5 again.
As a preferred embodiment of the utility model, pinch device 1 includes that transmission bottom roll 11, pressure paper rubber roll clutching mechanism 12 and interval install two pressure paper rubber roll 13 on pressure paper rubber roll clutching mechanism 12, and elevating gear can drive pressure paper rubber roll 13 and the contact of transmission bottom roll 11 with fixed paper. The clamping and conveying device 1 in the embodiment is used for clamping and conveying paper, provides downward pressure for the paper pressing rubber roll clutch mechanism 12 through the lifting device, is matched with the transmission bottom roller 11 to play a role in fixing the paper, and drives the transmission bottom roller 11 to rotate through the driving device, so that the paper is driven to move towards the direction of the paper breaking cutter 5.
In this embodiment, the platen roller clutch mechanism 12 includes a fixing plate 121 and a transmission shaft 122, a through hole is formed in the fixing plate 121, the transmission shaft 122 passes through the through hole and is fixed on the fixing plate 121, and the two platen rollers 13 are sleeved on the transmission shaft 122 and are arranged at intervals along the length direction of the transmission shaft 122. In this embodiment, two platen rollers 13 are provided to achieve a better effect of fixing paper, the transmission shaft 122 is used to synchronize the two platen rollers 13, and when the driving device drives the transmission bottom roller 11 to rotate, the platen rollers 13 also rotate along with the transmission bottom roller, so as to achieve an effect of driving paper to be conveyed.
In this embodiment, the lifting device is a lifting cylinder, and the lifting cylinder is installed at one end of the fixing plate 121 to drive the platen roller 13 to descend to contact with the driving bottom roller 11 or ascend to be higher than the driving bottom roller 11. The lifting cylinder of this embodiment is used to drive the platen roller 13 and provide downward power to the platen roller 13.
In this embodiment, the first driving device includes a first servo motor and a second servo motor, the first servo motor is installed at one end of the driving bottom roller 11 to drive the driving bottom roller 11 to selectively rotate, and the second servo motor is installed at one end of the paper cutting roller 2 to drive the paper cutting roller 2 to selectively rotate. The first servo motor in the embodiment provides power for the transmission bottom roller 11 to transmit paper, the second servo motor provides power for the paper cutting roller 2 to cut off the paper, and through extracting the running speed of the printing machine, the running speeds of the transmission bottom roller 11 and the paper cutting roller 2 are controlled by adopting an electronic virtual spindle technology, so that the paper breaking process of the paper breaking knife 5 is controlled, different paper breaking lengths can be obtained by adjusting the speed difference between the transmission bottom roller 11 and the paper cutting roller 2, and the controllability of the paper breaking process is ensured.
In this embodiment, the paper cutting bed knife 3 includes a first bed knife 31, a second bed knife 32 and a third bed knife 33, the first bed knife 31 is connected to one side of the second bed knife 32, the third bed knife 33 is connected to one side of the second bed knife 32 far away from the first bed knife 31, and when the second servo motor drives the paper cutting roller 2 to rotate, the paper cutting knife 5 contacts with the second bed knife 32. In the embodiment, the spiral angle of the paper cutter 5 is selected, and the deflection angle selection of the paper cutter 5 and the paper cutting bed knife 3 is adjusted, so that a fixed speed ratio is formed between the paper cutting process of the paper cutter 5 and the paper feeding speed, and the required paper length is obtained.
In this embodiment, the first bed knife 31 is a trapezoid structure with a wide top and a narrow bottom, the second bed knife 32 is a square structure, the top surface of the first bed knife 31 and the side surface of the second bed knife 32 are arranged in an acute angle, the bottom surface of the first bed knife 31 and the bottom surface of the third bed knife 33 are arranged in parallel along the horizontal direction, the third bed knife 33 is provided with an inclined surface connected with the second bed knife 32, and the bottom surface of the third bed knife 33 and the side surface of the second bed knife 32 are arranged in an obtuse angle. The upper plane of the first bed knife 31 in this embodiment is connected with the upper end of the second bed knife 32, the inclined plane of the third bed knife 33 is connected with the upper end of the second bed knife 32, and the structural design of the paper breaking bed knife 3 is convenient for cutting and conveying paper.
In the present embodiment, the cutter 5 includes a connecting portion 51 and a cutting portion 52, the connecting portion 51 has an arc-shaped structure on both sides, the cutting portion 52 has a triangular structure, and the connecting portion 51 and the cutting portion 52 are integrally formed and extend along the length direction of the cutting roller 2. The paper cutter 5 in the embodiment is of a spiral structure, when the paper cutter 5 rotates along with the paper cutting roller 2, the spiral cutting edges of the paper cutter 5 are respectively in contact with paper for cutting, so that the contact between the paper cutter 5 and the front surface of the paper cutting bed knife 3 is reduced, and the paper is conveniently cut.
In this embodiment, the conveying device 4 includes two conveying belts disposed at intervals along the conveying direction and a second driving device installed at one side of the conveying belt to drive the conveying belt to rotate. The conveying device 4 in this embodiment is used for conveying paper, the paper is conveyed to the next process by the conveying device 4 after being cut by the paper cutter 5 at the front end, the conveying device 4 is driven by an independent servo motor, the electric virtual spindle technology is adopted for synchronization with the servo motor of the clamping and conveying device 1, and the speed difference between the conveying device 4 and the clamping and conveying device 1 can be adjusted in real time according to actual process requirements.
In this embodiment, the second driving device includes a third servo motor and a fourth servo motor, the third servo motor is installed at one end of one of the conveyor belts, and the fourth servo motor is installed at one end of the other conveyor belt. The second driving device in this embodiment provides power for the conveying belt, and is used for driving the conveying belt to transmit.
It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.
Claims (10)
1. A rotary cutter paper cutting device is characterized by comprising a clamping and conveying device (1), a paper cutting roller (2) positioned on one side of the clamping and conveying device (1), a paper cutting bed knife (3) positioned below the paper cutting roller (2), a conveying device (4) positioned on one side of the paper cutting bed knife (3) far away from the clamping and conveying device (1), a lifting device arranged at one end of the clamping and conveying device (1), and a first driving device used for driving the clamping and conveying device (1) and the paper cutting roller (2), the lifting device can drive the pinch device (1) to lift and pinch paper, a paper cutting knife (5) with a spiral structure is arranged on the paper cutting roller (2), the spiral angle of the paper cutter (5) is an acute angle, when the first driving device drives the paper cutting roller (2) to rotate, the paper breaking knife (5) is in contact with the paper breaking bed knife (3) to cut off the paper.
2. The rotary cutter paper breaking device according to claim 1, wherein the pinch device (1) comprises a transmission bottom roller (11), a platen roller clutch mechanism (12) and two platen rollers (13) installed on the platen roller clutch mechanism (12) at intervals, and the lifting device can drive the platen rollers (13) to contact with the transmission bottom roller (11) to fix paper.
3. The rotary cutter paper breaking device according to claim 2, wherein the platen roller clutch mechanism (12) comprises a fixing plate (121) and a transmission shaft (122), a through hole is formed in the fixing plate (121), the transmission shaft (122) penetrates through the through hole and is fixed on the fixing plate (121), and the two platen rollers (13) are sleeved on the transmission shaft (122) and are arranged at intervals along the length direction of the transmission shaft (122).
4. The rotary-cutter paper-breaking device according to claim 3, characterized in that the lifting device is a lifting cylinder installed at one end of the fixing plate (121) to drive the platen roller (13) to descend to contact with the transmission bottom roller (11) or ascend to be higher than the transmission bottom roller (11).
5. The rotary-knife paper-cutting device according to claim 2, characterized in that the first driving device comprises a first servo motor and a second servo motor, the first servo motor is installed at one end of the driving bottom roller (11) to drive the driving bottom roller (11) to selectively rotate, and the second servo motor is installed at one end of the paper-cutting roller (2) to drive the paper-cutting roller (2) to selectively rotate.
6. The rotary-knife paper cutting device according to claim 5, characterized in that the paper cutting bed knife (3) comprises a first bed knife (31), a second bed knife (32) and a third bed knife (33), the first bed knife (31) is connected with one side of the second bed knife (32), the third bed knife (33) is connected with one side of the second bed knife (32) far away from the first bed knife (31), and when the second servo motor drives the paper cutting roller (2) to rotate, the paper cutting knife (5) is in contact with the second bed knife (32).
7. The rotary knife paper breaking device according to claim 6, wherein the first bottom knife (31) is of a trapezoid structure with a wide upper part and a narrow lower part, the second bottom knife (32) is of a square structure, the top surface of the first bottom knife (31) and the side surface of the second bottom knife (32) are arranged at an acute angle, the bottom surface of the first bottom knife (31) and the bottom surface of the third bottom knife (33) are arranged in parallel along a horizontal direction, the third bottom knife (33) is provided with an inclined surface connected with the second bottom knife (32), and the bottom surface of the third bottom knife (33) and the side surface of the second bottom knife (32) are arranged at an obtuse angle.
8. The rotary-cutter paper cutting device according to claim 1, wherein the paper cutting blade (5) comprises a connecting part (51) and a cutting part (52), the two sides of the connecting part (51) are arc-shaped, the cutting part (52) is triangular, and the connecting part (51) is integrally formed with the cutting part (52) and extends along the length direction of the paper cutting roller (2).
9. A rotary cutter paper cutting device according to claim 1, wherein the conveyor means (4) comprises two conveyor belts arranged at intervals in the conveying direction and second driving means mounted on one side of the conveyor belts for driving the conveyor belts in rotation.
10. A rotary knife paper cutting apparatus according to claim 9 wherein the second drive means includes a third servo motor mounted at one end of one of the conveyor belts and a fourth servo motor mounted at one end of the other conveyor belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101896.3U CN211104264U (en) | 2019-11-27 | 2019-11-27 | Rotary cutter paper cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922101896.3U CN211104264U (en) | 2019-11-27 | 2019-11-27 | Rotary cutter paper cutting device |
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| Publication Number | Publication Date |
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| CN211104264U true CN211104264U (en) | 2020-07-28 |
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| CN201922101896.3U Active CN211104264U (en) | 2019-11-27 | 2019-11-27 | Rotary cutter paper cutting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847537A (en) * | 2019-11-27 | 2021-05-28 | 广州多威龙印刷机械有限公司 | Rotary cutter paper cutting device |
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- 2019-11-27 CN CN201922101896.3U patent/CN211104264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847537A (en) * | 2019-11-27 | 2021-05-28 | 广州多威龙印刷机械有限公司 | Rotary cutter paper cutting device |
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