CN109927430B - Paper clip device and printer - Google Patents
Paper clip device and printer Download PDFInfo
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- CN109927430B CN109927430B CN201711351455.8A CN201711351455A CN109927430B CN 109927430 B CN109927430 B CN 109927430B CN 201711351455 A CN201711351455 A CN 201711351455A CN 109927430 B CN109927430 B CN 109927430B
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- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 53
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000007726 management method Methods 0.000 description 8
- 238000006748 scratching Methods 0.000 description 5
- 230000002393 scratching effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention provides a paper clip device and a printer, wherein the paper clip device is used for clipping and fixing paper when a supporting plate carrying the paper moves into the printer. The paper clip device comprises a clamping component which is arranged on a supporting plate. The clamping assembly includes: paper clips; the drive mechanism, it is connected with the paper clip, and drive mechanism's structure is set up as: driving the paper clip to a position away from the paper sheet during the process of moving the pallet out of the printer; during the process of moving the pallet into the printer, the paper clip is driven to move to a position for clamping and fixing paper. The paper clip device provided by the invention not only can save time and labor, but also can avoid paper scrap.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a paper clip device and a printer.
Background
In daily management work, the traditional seal management method is to specially assign management staff to take charge of the use and guarantee of seals, the seal management method has higher working efficiency and operation cost, and the phenomenon of violating seal management regulations and violating normal will in the daily seal management process is difficult to stop, and once the phenomenon happens, the serious loss of companies or units is often caused.
In order to solve the above problems, the present inventors have provided a machine for signing and sealing for closed keeping of seal of public seal or authorized person, and electronic monitoring and management of signing and sealing process is realized by electronic management system.
Currently, printers carry paper through a pallet and move the paper into the interior of the printer or out of the exterior of the printer. Moreover, in order to avoid the deviation of paper in the moving process, paper clips are usually arranged on the supporting plate, and when the existing paper clips are used for placing or taking out the paper, the paper clips need to be manually opened, so that time and labor are wasted, and the paper clips are easy to scratch by manual operation, so that the paper is scrapped.
Disclosure of Invention
The invention aims at solving at least one of the technical problems in the prior art, and provides a paper clip device and a printer, which can save time and labor and avoid paper scrap.
In order to achieve the object of the present invention, there is provided a paper clamping device for clamping and fixing paper when a pallet carrying the paper is moved into a printer, the paper clamping device including a clamping assembly provided on the pallet; the clamping assembly includes:
Paper clips;
and the transmission mechanism is connected with the paper clip, and the structure of the transmission mechanism is set as follows: driving the paper clip to a position away from the paper sheet during the process of moving the pallet out of the printer; and driving the paper clamp to move to a position for clamping and fixing paper in the process of moving the supporting plate into the printer.
Preferably, the transmission mechanism includes:
A base provided on the pallet;
The rotating shaft is rotatably arranged on the base and is fixedly connected with the paper clip;
The transmission shaft is fixedly connected with the rotating shaft and forms an included angle with the rotating shaft;
The driving mechanism is used for driving the transmission shaft to perform a first-direction rotation motion in the process of moving the supporting plate into the printer so as to drive the rotation shaft and the paper clips on the rotation shaft to synchronously rotate to a position away from paper; or in the process that the supporting plate moves out of the printer, the transmission shaft is driven to perform rotary motion in a second direction so as to drive the rotary shaft and the paper clips on the rotary shaft to synchronously rotate to a position for clamping and fixing paper, and the first direction is opposite to the second direction.
Preferably, the driving mechanism includes:
torsion springs connected to the base and the rotation shaft, respectively;
the transmission structure is fixed relative to the supporting plate when the supporting plate moves, and is provided with a transmission surface, and the transmission shaft always keeps contact with the transmission surface under the action of the elasticity of the torsion spring and moves along the transmission surface in the process of moving the supporting plate;
the driving surface is shaped to: the drive shaft moves along the drive surface while performing rotational movement in the first direction or the second direction during movement of the pallet into or out of the printer.
Preferably, the drive surface comprises a helicoidal surface.
Preferably, the drive surface further comprises a first plane and a second plane, wherein,
The first plane is parallel to the bearing surface of the supporting plate, is positioned on one side of the spiral surface and is in continuous surface with the spiral surface, and the transmission shaft is contacted with the first plane when the paper clip is positioned at the position for clamping and fixing paper;
The second plane is perpendicular to the bearing surface of the supporting plate, is positioned on the side of the spiral surface opposite to the first plane, forms a continuous surface with the spiral surface, and is contacted with the second plane when the paper clip is positioned at a position away from paper; and a through hole is arranged on the second plane and used for limiting the position of the transmission shaft.
Preferably, when the paper clip is positioned at a position for clamping and fixing paper, the axis of the transmission shaft is parallel to the bearing surface of the supporting plate; the rotation shaft rotates by 90 DEG when the paper clip rotates from a position away from the paper to a position holding and fixing the paper.
Preferably, the driving shaft and the paper clip are respectively close to two ends of the rotating shaft, and the driving shaft is closer to the inside of the printer than the paper clip, so that the paper clip is positioned inside the printer when being positioned at a position for clamping and fixing paper; or the paper clip is located outside the printer when it is located at a position away from the paper.
Preferably, a rotatable roller is provided on the drive shaft, the roller being in contact with and rolling along the drive surface.
Preferably, the paper clip includes a fixing portion and a clamping portion, wherein,
The fixing part is a ring body and sleeved on the rotating shaft, and the fixing part is fixedly connected with the rotating shaft through a screw;
The clamping part is bent and extends from the fixing part towards the inner side of the paper in a bending way.
Preferably, the two sets of clamping assemblies are symmetrically arranged on the horizontal plane along the moving direction perpendicular to the supporting plate and are respectively positioned on two sides of the bearing surface of the supporting plate.
As another technical scheme, the invention also provides a printer, which comprises a supporting plate and a paper clip device for clipping and fixing paper when the supporting plate for bearing the paper moves into the printer, wherein the paper clip device adopts the paper clip device provided by the invention.
The invention has the following beneficial effects:
The paper clip device provided by the invention drives the paper clip to move to a position away from paper in the process that the supporting plate moves out of the printer by virtue of a transmission mechanism connected with the paper clip; in the process of moving the supporting plate into the printer, the paper clip is driven to move to the position for clamping and fixing paper, so that the paper clip can be automatically opened or clamped, time and labor can be saved, and paper scrapping caused by paper clip scratching due to manual operation can be avoided.
The printer provided by the invention can save time and labor by adopting the paper clip device provided by the invention, and can avoid paper scrapping caused by paper clip scratching caused by manual operation.
Drawings
FIG. 1 is a diagram showing an overall structure of a paper clip device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a paper clip device according to an embodiment of the present invention in a first state;
FIG. 3 is a diagram showing a structure of a paper clip device in a second state according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a drive surface employed in the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical scheme of the present invention, the paper clip device and the printer provided by the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a paper clamping device for clamping and fixing paper when a pallet 1 carrying paper moves into a printer. The paper clip device comprises a clamping assembly which is arranged on a pallet 1. Moreover, the clamping assemblies are two sets, and the two sets of clamping assemblies are arranged on the horizontal plane and symmetrically along the moving direction perpendicular to the supporting plate 1 and are respectively positioned at two sides of the bearing surface A of the supporting plate 1. The carrying surface a is a region of the tray 1 for carrying the sheet, and the region corresponds to the size and shape of the sheet. Of course, in practical application, the clamping assembly can be a set according to specific needs.
The structure of each set of clamping assemblies is described in detail below. Specifically, the gripping assembly includes a paper clip 2 and a transmission mechanism 3, wherein the transmission mechanism 3 is connected with the paper clip 2, and the structure of the transmission mechanism 3 is set as follows: during the removal of the pallet 1 from the printer, the gripper 2 is driven to a position away from the sheet, shown in fig. 3; during the movement of the pallet 1 into the printer, the paper gripper 2 is driven to a position shown in fig. 2 where it grips and holds the paper.
The paper clip device provided by the invention can realize automatic opening or clamping of the paper clip 2, so that time and labor can be saved, and paper scrapping caused by paper clip scratching due to manual operation can be avoided.
Specifically, the transmission mechanism 3 includes:
A base, which is arranged on the pallet 1. The base comprises three support seats 31 a-31 c.
And a rotation shaft 32 rotatably provided on the base and fixedly connected to the paper clip 2.
The transmission shaft 33 is fixedly connected with the rotation shaft 32, and forms an included angle with the rotation shaft 32. The angle is preferably 90 °, i.e. the drive shaft 33 is perpendicular to the rotation axis 32. Of course, in practical application, the included angle may also be an acute angle smaller than 90 °.
The driving mechanism is used for driving the transmission shaft 33 to perform a first-direction rotation motion in the process of moving the supporting plate 1 into the printer so as to drive the rotation shaft 32 and the paper clips 2 thereon to synchronously rotate to a position away from paper as shown in fig. 3; or in the process of moving the pallet 1 out of the printer, the transmission shaft 33 is driven to rotate in a second direction, so as to drive the rotating shaft 32 and the paper clips 2 thereon to synchronously rotate to the position for clamping and fixing the paper, which is shown in fig. 2, wherein the first direction is opposite to the second direction. For example, the first direction and the second direction are a clockwise direction and a counterclockwise direction, respectively, of rotation about the rotation axis.
The driving mechanism may specifically include:
torsion springs (not shown) are connected to the base and the rotation shaft 32, respectively.
The transmission structure is fixed relative to the support plate 1 when the support plate 1 moves, and is provided with a transmission surface, and the transmission shaft 33 always keeps contact with the transmission surface under the action of the elasticity of the torsion spring and moves along the transmission surface in the process of moving the support plate 1.
And, the shape of the above-mentioned transmission surface is set as: during the process of moving the pallet 1 into the printer, the transmission shaft 33 is made to rotate in a first direction so as to drive the rotating shaft 32 and the paper clips 2 thereon to synchronously rotate to a position away from the paper as shown in fig. 3; or in the process of moving the pallet 1 out of the printer, the transmission shaft 33 is made to rotate in the second direction so as to drive the rotating shaft 32 and the paper clips 2 thereon to synchronously rotate to the position for clamping and fixing the paper as shown in fig. 2. The rotation of the transmission shaft 33 can be achieved by means of the above-mentioned transmission surface along with the movement of the pallet 1, thereby simplifying the transmission mechanism and reducing the cost.
It should be noted that the driving mechanism is not limited to the torsion spring and the transmission structure described above in the present embodiment, and in practical applications, a driving source and a transmission member may be used to drive rotation of the transmission shaft 33.
Preferably, a rotatable roller 34 is provided on the drive shaft 33, which roller 34 is in contact with and rolls along the drive surface. Friction of the drive shaft 33 with the drive surface can be avoided by means of the rollers 34.
In this embodiment, fig. 4 shows the cross-sectional shape of the above-mentioned driving surface in a direction perpendicular to the bearing surface a of the pallet 1, which driving surface comprises a helicoidal surface 35. During the movement of the pallet 1 into the printing machine, the drive shaft 33 is moved in a forward direction along the spiral surface 35, so that the position of the drive shaft 33 shown in fig. 2 is rotated to the position shown in fig. 3, and the rotation shaft 32 and the paper clip 2 thereon are driven to rotate synchronously to the position shown in fig. 3, away from the paper. During the removal of the pallet 1 from the printing machine, the drive shaft 33 moves in the opposite direction along the spiral surface 35, so that the position of the drive shaft 33 shown in fig. 3 rotates to the position shown in fig. 2, and the rotation shaft 32 and the paper clip 2 thereon are driven to rotate synchronously to the position shown in fig. 2, away from the paper.
Preferably, as shown in fig. 2, a recess 11 is formed on the opposite side of the pallet 1 from the drive shaft 33 to be located in the recess 11 when the drive shaft 33 is rotated to the position shown in fig. 3.
It is further preferred that the drive surface further comprises a first plane 36 and a second plane 37, as shown in fig. 4, wherein the first plane 36 is parallel to the carrying surface a of the pallet 1, is located on one side of the spiral surface 35 and forms a continuous surface with the spiral surface 35, and that the drive shaft 33 is in contact with the first plane 36 when the paper clip 2 is in the position for holding and securing paper as shown in fig. 2. By means of the first plane 36, the roller 34 can be brought into contact with the transmission surface at all times and can be moved smoothly into the spiral main35, whereby the structural stability is improved.
The second plane 37 is perpendicular to the bearing surface a of the pallet 1 and is located on the opposite side of the spiral surface 35 from the first plane 36, and forms a continuous surface with the spiral surface 35, and the drive shaft 33 contacts the second plane 37 when the paper clip 2 is located away from the paper; and, a through hole 371 is provided on the second plane 37 for defining the position of the drive shaft 33. By means of the second plane 37 and the through hole 371 thereof, reverse movement of the drive shaft 33 under the spring force of the torsion spring can be avoided when it moves to the position of the second plane 37.
When the paper clip 2 is positioned to clamp and fix paper, the axis of the transmission shaft 33 is parallel to the bearing surface A of the pallet 1; when the paper holder 2 is rotated from a position away from the paper to a position where the paper is held and fixed, the rotation shaft 32 is rotated by 90 °. In practice, the rotation angle of the rotation shaft 32 may be adjusted by adjusting the pitch and/or length of the screw surface 35.
Preferably, the transmission shaft 33 and the paper holder 2 are respectively close to both ends of the rotation shaft 32, and the transmission shaft 33 is closer to the inside of the printer than the paper holder 3, so that the paper holder 2 is located inside the printer when located at the position for holding and fixing the paper shown in fig. 2; or the paper clip 2 is located outside the printer when it is in the position away from the paper as shown in fig. 3.
In the present embodiment, the base includes three support seats 31a to 31c, wherein two support seats 31a and 31b are located at both sides of the paper clip 2; wherein the other support seat 31c is located on the side of the drive shaft 33 close to the paper clip 2. Further, a through hole is provided in each of the support seats, the rotation shaft 32 sequentially passes through the through holes in the three support seats 31a to 31c, and a bearing is provided between each of the through holes and the rotation shaft 32, thereby achieving rotatable connection between the rotation shaft 32 and the support seats.
In this embodiment, the paper clip 2 includes a fixing portion and a clamping portion, wherein the fixing portion is a ring body and is sleeved on the rotating shaft 32, and the fixing portion is fixedly connected with the rotating shaft 32 through a screw; the clamping part is in a bending shape and extends from the fixing part towards the inner side of the paper in a bending way.
In summary, in the paper clip device provided by the embodiment of the invention, the paper clip 2 is driven to move to a position away from paper by the transmission mechanism 3 connected with the paper clip 2 in the process that the pallet 1 is moved out of the printer; in the process of moving the supporting plate 1 into the printer, the paper clip 2 is driven to move to the position for clamping and fixing paper, so that the paper clip 2 can be automatically opened or clamped, time and labor can be saved, and paper scrapping caused by paper clip 2 scratching caused by manual operation can be avoided.
As another technical scheme, the embodiment of the invention also provides a printer, which comprises a supporting plate and a paper clip device for clipping and fixing paper when the supporting plate for bearing the paper moves into the printer. The paper clip device adopts the paper clip device provided by the embodiment of the invention.
The printer provided by the embodiment of the invention can save time and labor and avoid paper scrapping caused by paper clip scratching due to manual operation by adopting the paper clip device provided by the embodiment of the invention.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (9)
1. A paper clip device for clipping and fixing paper when a pallet carrying paper moves into a printer, characterized in that the paper clip device comprises a clipping component which is arranged on the pallet; the clamping assembly includes:
Paper clips;
And the transmission mechanism is connected with the paper clip, and the structure of the transmission mechanism is set as follows: driving the paper clip to a position away from the paper sheet during the process of moving the pallet out of the printer; driving the paper clip to move to a position for clamping and fixing paper in the process of moving the supporting plate into the printer;
Wherein, the drive mechanism includes:
A base provided on the pallet;
The rotating shaft is rotatably arranged on the base and is fixedly connected with the paper clip;
The transmission shaft is fixedly connected with the rotating shaft and forms an included angle with the rotating shaft;
The driving mechanism is used for driving the transmission shaft to perform rotary motion in a first direction in the process of moving the supporting plate out of the printer so as to drive the rotary shaft and the paper clips on the rotary shaft to synchronously rotate to a position away from paper; or in the process of moving the supporting plate into the printer, driving the transmission shaft to perform rotary motion in a second direction so as to drive the rotary shaft and the paper clips on the rotary shaft to synchronously rotate to a position for clamping and fixing paper, wherein the first direction is opposite to the second direction;
wherein, the actuating mechanism includes:
torsion springs connected to the base and the rotation shaft, respectively;
The transmission structure is fixed relative to the supporting plate when the supporting plate moves, and is provided with a transmission surface, and the transmission shaft always keeps contact with the transmission surface under the action of the elasticity of the torsion spring in the process of moving the supporting plate;
the driving surface is shaped to: during the movement of the pallet out of or into the printer, the drive shaft moves along the drive surface while performing a rotational movement in the first or second direction.
2. The paper clip device of claim 1, wherein the drive surface comprises a spiral surface.
3. The paper clip apparatus of claim 2, wherein the drive surface further comprises a first plane and a second plane, wherein,
The first plane is parallel to the bearing surface of the supporting plate, is positioned on one side of the spiral surface and is in continuous surface with the spiral surface, and the transmission shaft is contacted with the first plane when the paper clip is positioned at the position for clamping and fixing paper;
The second plane is perpendicular to the bearing surface of the supporting plate, is positioned on the side of the spiral surface opposite to the first plane, forms a continuous surface with the spiral surface, and is contacted with the second plane when the paper clip is positioned at a position away from paper; and a through hole is arranged on the second plane and used for limiting the position of the transmission shaft.
4. The paper clip device according to claim 1, wherein when the paper clip is positioned at a position for clamping and fixing paper, the axis of the transmission shaft is parallel to the bearing surface of the supporting plate; the rotation shaft rotates by 90 DEG when the paper clip rotates from a position away from the paper to a position holding and fixing the paper.
5. The paper clip device according to claim 1, wherein the drive shaft and the paper clip are respectively close to both ends of the rotation shaft, and the drive shaft is closer to the inside of the printer than the paper clip so that the paper clip is located inside the printer when located at a position where a sheet is held; or the paper clip is located outside the printer when it is located at a position away from the paper.
6. A paper clip device as defined in claim 1, wherein rotatable rollers are provided on the drive shaft, the rollers being in contact with and rolling along the drive surface.
7. The paper clip device of claim 1, wherein the paper clip comprises a securing portion and a clamping portion, wherein,
The fixing part is a ring body and sleeved on the rotating shaft, and the fixing part is fixedly connected with the rotating shaft through a screw;
The clamping part is bent and extends from the fixing part towards the inner side of the paper in a bending way.
8. The paper clip device according to any one of claims 1-7, wherein the number of the clip assemblies is two, and the two clip assemblies are symmetrically arranged on a horizontal plane and along a direction perpendicular to the moving direction of the pallet, and are respectively located at two sides of the bearing surface of the pallet.
9. A printer comprising a tray and a paper clip device for clipping and securing paper when the tray carrying the paper is moved into the printer, wherein the paper clip device is as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351455.8A CN109927430B (en) | 2017-12-15 | 2017-12-15 | Paper clip device and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711351455.8A CN109927430B (en) | 2017-12-15 | 2017-12-15 | Paper clip device and printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109927430A CN109927430A (en) | 2019-06-25 |
| CN109927430B true CN109927430B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711351455.8A Active CN109927430B (en) | 2017-12-15 | 2017-12-15 | Paper clip device and printer |
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| Country | Link |
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| CN (1) | CN109927430B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445280A (en) * | 1974-03-08 | 1976-08-11 | Ultra Anstalt Elektro | Apparatus for positioning a pad or book of sheets on the work table of printing apparatus |
| JPH05155083A (en) * | 1991-12-06 | 1993-06-22 | Fujitsu Ltd | Bail arm automatic opening/closing mechanism |
| US5467116A (en) * | 1992-05-22 | 1995-11-14 | Kabushiki Kaisha Tec | Ink jet printer with device for aligning an ink cartridge |
| JPH07309488A (en) * | 1994-05-19 | 1995-11-28 | Okamura Corp | Paper feeder for printer desk |
| JP2003054819A (en) * | 2001-08-07 | 2003-02-26 | Ryobi Ltd | Device of preventing drifting of paper in paper discharge part of paper sheet printer |
| CN103787123A (en) * | 2012-11-02 | 2014-05-14 | 致伸科技股份有限公司 | Paper processing device |
| CN205149260U (en) * | 2015-12-04 | 2016-04-13 | 北京惠朗时代科技有限公司 | Seal on perforation paper levelling device |
| CN206327028U (en) * | 2016-11-08 | 2017-07-14 | 深圳市银之杰科技股份有限公司 | A kind of stamper machine file clamping mechanism and its automatic stamp making machine |
| CN208164571U (en) * | 2017-12-15 | 2018-11-30 | 北京东方金鹰信息科技股份有限公司 | Folder device and with print machine |
-
2017
- 2017-12-15 CN CN201711351455.8A patent/CN109927430B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445280A (en) * | 1974-03-08 | 1976-08-11 | Ultra Anstalt Elektro | Apparatus for positioning a pad or book of sheets on the work table of printing apparatus |
| JPH05155083A (en) * | 1991-12-06 | 1993-06-22 | Fujitsu Ltd | Bail arm automatic opening/closing mechanism |
| US5467116A (en) * | 1992-05-22 | 1995-11-14 | Kabushiki Kaisha Tec | Ink jet printer with device for aligning an ink cartridge |
| JPH07309488A (en) * | 1994-05-19 | 1995-11-28 | Okamura Corp | Paper feeder for printer desk |
| JP2003054819A (en) * | 2001-08-07 | 2003-02-26 | Ryobi Ltd | Device of preventing drifting of paper in paper discharge part of paper sheet printer |
| CN103787123A (en) * | 2012-11-02 | 2014-05-14 | 致伸科技股份有限公司 | Paper processing device |
| CN205149260U (en) * | 2015-12-04 | 2016-04-13 | 北京惠朗时代科技有限公司 | Seal on perforation paper levelling device |
| CN206327028U (en) * | 2016-11-08 | 2017-07-14 | 深圳市银之杰科技股份有限公司 | A kind of stamper machine file clamping mechanism and its automatic stamp making machine |
| CN208164571U (en) * | 2017-12-15 | 2018-11-30 | 北京东方金鹰信息科技股份有限公司 | Folder device and with print machine |
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| CN109927430A (en) | 2019-06-25 |
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