CN220844776U - Positioning and conveying device for paper overprinting - Google Patents
Positioning and conveying device for paper overprinting Download PDFInfo
- Publication number
- CN220844776U CN220844776U CN202322752210.3U CN202322752210U CN220844776U CN 220844776 U CN220844776 U CN 220844776U CN 202322752210 U CN202322752210 U CN 202322752210U CN 220844776 U CN220844776 U CN 220844776U
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- Prior art keywords
- positioning
- overprinting
- conveying device
- printing machine
- paper
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The utility model relates to the technical field of overprinting devices, in particular to a positioning and conveying device for paper overprinting, which comprises a printer, wherein a paper inlet is formed in the front end of the printer, a tensioning mechanism is arranged at the front end of the printer and comprises a first overturning plate and a transmission roller, the first overturning plate is movably arranged at the front end of the printer, the transmission roller is rotatably arranged between the first overturning plates, and a second overturning plate matched with the transmission roller is movably arranged at one side of the transmission roller. According to the utility model, the sliding groove, the linkage rod, the limiting sleeve, the gear and the transmission roller are matched with each other, so that the gear can be conveniently meshed with the rack arranged on one side of the linkage rod through rotating the gear, the linkage rod can slide along the inside of the limiting sleeve, the linkage rod can drag the second overturning plates, the two second overturning plates can be mutually close, the transmission roller can clamp paper, and the phenomenon of wrinkling is prevented.
Description
Technical Field
The utility model relates to the technical field of overprinting devices, in particular to a positioning and conveying device for paper overprinting.
Background
Overprinting was developed on the basis of single colour engraving, which is also a great contribution of chinese people to the world's printing history, printing text or images in different colours on one plate, called multicolour overprinting.
The utility model discloses a overprinting device for long fiber paper, which comprises a overprinting machine body, wherein a cleaning box is fixedly connected to the side wall of the overprinting machine body, a cleaning mechanism for cleaning dust on the fiber paper is arranged in the cleaning box, the cleaning mechanism comprises a mounting plate which is slidingly connected to the inner wall of the cleaning box, the lower end of the mounting plate is slidingly connected with a moving assembly, the lower end of the mounting plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a threaded rod, one end of the threaded rod, far away from the second motor, penetrates through the moving assembly, and two inner walls of the moving assembly are rotationally connected with a mounting shaft. The utility model is provided with the cleaning mechanism and the driving mechanism, and can automatically clean dust, dirt and the like on the surface of the paper, thereby avoiding the influence of the dust and the dirt on the quality of the overprinted product.
However, when the existing overprinting device is used, offset is generated in the paper conveying process, so that dislocation of printing is caused, meanwhile, when the existing overprinting device is used, the conveyed paper cannot be tensioned conveniently, so that wrinkling is caused, and therefore, the positioning conveying device for the paper overprinting needs to be designed .
Disclosure of utility model
The utility model aims to provide a positioning and conveying device for paper overprinting, which solves the problems that when the existing overprinting device is used, offset is generated in the paper conveying process, so that dislocation occurs in printing, and when the existing overprinting device is used, the conveyed paper cannot be tensioned conveniently, so that wrinkling is caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a positioning and conveying device for sheet overprinting, comprising:
The front end of the printing machine is provided with a paper inlet;
the tensioning mechanism comprises a first overturning plate and a transmission roller, the first overturning plate is movably mounted at the front end of the printer, the transmission roller is rotatably mounted between the first overturning plates, a second overturning plate matched with the transmission roller is movably mounted at one side of the transmission roller, a linkage rod is movably mounted at one side of the second overturning plate, a gear is rotatably mounted at one side of the printer, and a positioning mechanism is arranged at the front end of the printer.
Preferably, the second overturning plate is movably connected with the printer through a mounting seat, and anti-skid patterns are arranged on the surface of the transmission roller.
Preferably, the sliding groove is arranged between one side of the second overturning plate and the linkage rod in a sliding way, and the sliding groove is arranged between the sliding groove and the linkage rod in a rotating way through a rotating shaft.
Preferably, a limit sleeve matched with a linkage rod is fixedly arranged on one side of the printing machine, and a rack matched with a gear is fixedly arranged on one side of the linkage rod.
Preferably, the positioning mechanism comprises a mounting plate and a reverse screw rod, the front end of the printing machine is fixedly provided with the mounting plate, the internal thread of the mounting plate is provided with a limit seat, and the inner side of the limit seat is movably provided with a limit roller.
Preferably, the mounting plate is in threaded mounting with the limiting seat through the reverse screw rod, and a threaded sleeve matched with the reverse screw rod is fixedly arranged at the bottom of the limiting seat.
Preferably, a rotary disk is fixedly arranged on one side of the reverse screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. Through being provided with sliding tray, gangbar, stop collar, gear and transmission roller between mutually supporting, the rack that makes gear and gangbar one side installation through rotatory gear that can be convenient meshes, makes the gangbar slide along the inside of stop collar, makes the gangbar pull the second upset board, makes can be close to each other between two second upset boards, makes transmission roller can carry out the centre gripping to the paper, prevents to produce the condition of fold.
2. Through being provided with spacing seat, reverse lead screw, spacing running roller and the thread bush between mutually supporting, through rotatory rotary disk can be convenient synchronous drive reverse lead screw rotatory, make reverse lead screw can carry out screw-thread fit between with the thread bush, make spacing seat can be close to each other to driving spacing running roller, utilize spacing running roller to carry out left and right positioning to the paper, can effectually prevent the condition that produces the dislocation.
Drawings
FIG. 1 is a schematic view of an external perspective structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic perspective view of a partial structure of a second roll-over panel according to the present utility model;
fig. 4 is a schematic perspective view of a partial structure of a positioning mechanism according to the present utility model.
In the figure: 1. a printing machine; 101. a paper inlet; 2. a tensioning mechanism; 201. a first flipping plate; 202. a transfer roller; 203. a second flipping plate; 204. a mounting base; 205. a sliding groove; 206. a rotation shaft; 207. a linkage rod; 208. a limit sleeve; 209. a gear; 3. a positioning mechanism; 301. a mounting plate; 302. a reverse screw rod; 303. a thread sleeve; 304. a rotating disc; 305. a limit seat; 306. limiting roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, an embodiment of the present utility model is provided: a positioning and conveying device for sheet overprinting, comprising:
The printing machine 1, the front end of the printing machine 1 is provided with a paper inlet 101;
Tensioning mechanism 2, tensioning mechanism 2 includes first upset board 201 and transmission running roller 202, and the front end movable mounting of printing machine 1 has first upset board 201, and transmission running roller 202 is installed in the rotation between the first upset board 201, and one side movable mounting of transmission running roller 202 has with transmission running roller 202 complex second upset board 203, and one side movable mounting of second upset board 203 has gangbar 207, and one side rotation of printing machine 1 installs gear 209, and the front end of printing machine 1 is provided with positioning mechanism 3. The gear 209 is meshed with a rack installed on one side of the linkage rod 207 through the rotation gear 209, so that the linkage rod 207 can slide along the inside of the limit sleeve 208, the linkage rod 207 pulls the second overturning plates 203, the two second overturning plates 203 can be mutually close, and the transmission roller 202 can clamp paper.
Example two
In the positioning and conveying device for overprinting paper according to the present utility model, compared with the first embodiment, referring to fig. 2 and 3, the second turning plate 203 is movably connected to the printer 1 through the mounting base 204, and the surface of the conveying roller 202 is provided with anti-skidding patterns. The linkage rod 207 can slide along the inside of the limit sleeve 208, so that the linkage rod 207 pulls the second overturning plates 203, the two second overturning plates 203 can be mutually close, the conveying roller 202 can clamp paper, and the situation of wrinkles is prevented.
Further, the second tilting plate 203 is slidably mounted on the link 207 via a slide groove 205, and the slide groove 205 is rotatably mounted on the link 207 via a rotation shaft 206. The second reversing plates 203 are pulled by the link lever 207, so that the two second reversing plates 203 can be brought close to each other, and the paper can be held by the conveying roller 202.
Further, a stop collar 208 matched with the linkage rod 207 is fixedly arranged on one side of the printer 1, and a rack matched with the gear 209 is fixedly arranged on one side of the linkage rod 207. The gear 209 is engaged with a rack attached to the side of the link lever 207 by rotating the gear 209, so that the link lever 207 can slide along the inside of the spacer 208, and the link lever 207 pulls the second tilting plate 203.
Example III
Compared with the first embodiment, referring to fig. 3 and 4, the positioning and conveying device for paper overprinting provided by the utility model is characterized in that the positioning mechanism 3 comprises a mounting plate 301 and a reverse screw rod 302, the front end of the printer 1 is fixedly provided with the mounting plate 301, the internal thread of the mounting plate 301 is provided with a limiting seat 305, and the inner side of the limiting seat 305 is movably provided with a limiting roller 306. The reverse screw rod 302 can be conveniently and synchronously driven to rotate by rotating the rotating disc 304, so that the reverse screw rod 302 can be in threaded fit with the threaded sleeve 303, and the limiting seat 305 can be mutually close.
Further, the mounting plate 301 and the limiting seat 305 are in threaded mounting through the reverse screw rod 302, the bottom of the limiting seat 305 is fixedly provided with a threaded sleeve 303 matched with the reverse screw rod 302, so that the reverse screw rod 302 can be in threaded fit with the threaded sleeve 303, the limiting seat 305 can be mutually close to a driving limiting roller 306, and paper can be left and right positioned by the aid of the limiting roller 306.
Further, a rotary disk 304 is fixedly installed on one side of the reverse screw 302. The reverse screw rod 302 can be conveniently and synchronously driven to rotate by rotating the rotating disc 304, so that the reverse screw rod 302 can be in threaded fit with the threaded sleeve 303, and the limiting seat 305 can be mutually close.
Working principle: the gear 209 is meshed with a rack arranged on one side of the linkage rod 207 through the rotary gear 209, the linkage rod 207 can slide along the inside of the limit sleeve 208, the linkage rod 207 pulls the second overturning plates 203, the two second overturning plates 203 can be mutually close, the transmission roller 202 can clamp paper, the situation of wrinkles is prevented, the reverse screw 302 can be conveniently and synchronously driven to rotate through the rotary disc 304, the reverse screw 302 can be in threaded fit with the threaded sleeve 303, the limit seats 305 can be mutually close, the limit seats 305 can mutually close to the driving limit roller 306, the limit roller 306 can be utilized to transversely position the paper, and the situation of dislocation can be effectively prevented.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A positioning and conveying device for overprinting paper, comprising:
A printing machine (1), wherein a paper inlet (101) is arranged at the front end of the printing machine (1);
Tensioning mechanism (2), tensioning mechanism (2) include first upset board (201) and transmission running roller (202), the front end movable mounting of printing machine (1) has first upset board (201), rotatory transmission running roller (202) of installing between first upset board (201), one side movable mounting of transmission running roller (202) have with transmission running roller (202) complex second upset board (203), one side movable mounting of second upset board (203) has gangbar (207), one side rotation of printing machine (1) installs gear (209), the front end of printing machine (1) is provided with positioning mechanism (3).
2. The positioning and conveying device for sheet overprinting according to claim 1, wherein: the second overturning plate (203) is movably connected with the printer (1) through a mounting seat (204), and anti-skid patterns are arranged on the surface of the transmission roller (202).
3. The positioning and conveying device for sheet overprinting according to claim 1, wherein: one side of the second overturning plate (203) is slidably mounted with the linkage rod (207) through a sliding groove (205), and the sliding groove (205) is rotatably mounted with the linkage rod (207) through a rotating shaft (206).
4. The positioning and conveying device for sheet overprinting according to claim 1, wherein: one side of the printing machine (1) is fixedly provided with a limiting sleeve (208) matched with a linkage rod (207), and one side of the linkage rod (207) is fixedly provided with a rack matched with a gear (209).
5. The positioning and conveying device for sheet overprinting according to claim 1, wherein: the positioning mechanism (3) comprises a mounting plate (301) and a reverse screw rod (302), the mounting plate (301) is fixedly arranged at the front end of the printing machine (1), a limiting seat (305) is arranged on the inner thread of the mounting plate (301), and a limiting roller wheel (306) is movably arranged on the inner side of the limiting seat (305).
6. The positioning and conveying device for sheet overprinting according to claim 5, wherein: the mounting plate (301) is in threaded mounting with the limiting seat (305) through a reverse screw rod (302), and a threaded sleeve (303) matched with the reverse screw rod (302) is fixedly mounted at the bottom of the limiting seat (305).
7. The positioning and conveying device for sheet overprinting according to claim 6, wherein: one side of the reverse screw rod (302) is fixedly provided with a rotary disk (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322752210.3U CN220844776U (en) | 2023-10-13 | 2023-10-13 | Positioning and conveying device for paper overprinting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322752210.3U CN220844776U (en) | 2023-10-13 | 2023-10-13 | Positioning and conveying device for paper overprinting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220844776U true CN220844776U (en) | 2024-04-26 |
Family
ID=90783683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322752210.3U Active CN220844776U (en) | 2023-10-13 | 2023-10-13 | Positioning and conveying device for paper overprinting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220844776U (en) |
-
2023
- 2023-10-13 CN CN202322752210.3U patent/CN220844776U/en active Active
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