CN209775864U - Reverse side paper feeding correcting device for laser printing - Google Patents
Reverse side paper feeding correcting device for laser printing Download PDFInfo
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- CN209775864U CN209775864U CN201920255868.4U CN201920255868U CN209775864U CN 209775864 U CN209775864 U CN 209775864U CN 201920255868 U CN201920255868 U CN 201920255868U CN 209775864 U CN209775864 U CN 209775864U
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- paper
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- guide frame
- laser printing
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Abstract
The utility model provides a reverse side correcting unit that form a sheet of laser printing, includes reverse paper feed tray and reverse paper way support, and reverse paper feed tray is last to be equipped with the paper guide frame of being connected with the direction entry board in one end, and paper guide frame one side is equipped with the roller device, and the roller device corresponds two rollers that set up including from top to bottom, and two rollers homogeneous phase are for the slope setting of paper guide frame, and reverse paper feed tray and reverse paper way support other end are equipped with the running roller that presss from both sides tight paper. The utility model has the advantages that: go up the roller and can compress tightly the paper with lower roller on the one hand, on the other hand go up the roller and set up with lower roller relative to the slope of paper guide frame, can guide the paper to the slope of paper guide frame direction, make the paper remove along paper guide frame, prevent that the paper is crooked. And rollers are arranged on the reverse paper feeding tray and the reverse paper path bracket, so that paper can be clamped tightly to stably feed the paper.
Description
Technical Field
The utility model relates to a laser printing equipment technical field especially relates to a reverse side correcting unit that form advance is printed to laser.
Background
At present, laser printers occupy an absolute market in the field of office equipment, and with the increasing requirements of people on laser printers, various large laser printer manufacturers continuously upgrade products, and more double-sided printing laser printing equipment is pushed into the market. The prior double-sided printing equipment has the problems that paper feeding deflection occurs when paper is printed on the second side, and the printing effect is not ideal, so the invention designs the reverse paper feeding correction device for laser printing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reverse side correcting unit that form a sheet feed is printed to laser prevents that the crooked condition of form a sheet feed from appearing when the second face is printed to the paper.
in order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a reverse side correcting unit that form a sheet that laser printing, includes reverse paper feed tray and locates reverse paper way support above the reverse paper feed tray, reverse paper feed tray one end is equipped with direction entry board, its characterized in that: the reverse paper feeding tray is provided with a roller device and a paper guide frame, the paper guide frame is connected with one end of the guide inlet plate, the roller device comprises a lower roller, an upper roller and a cover plate, the lower roller corresponds to the upper roller, the lower roller is embedded in the reverse paper feeding tray, a through hole is formed in the cover plate, the upper roller is arranged in the through hole, and the upper roller and the lower roller are obliquely arranged relative to the paper guide frame to convey paper towards the paper guide frame.
Further, the lower roll shaft is a driving roll shaft, and the upper roll shaft is a driven roll shaft.
Furthermore, the inclination angles of the upper roller shaft and the lower roller shaft are 3-12 degrees.
Further, the upper roller shaft and the lower roller shaft are inclined at an angle of 7 °.
Furthermore, the paper guide frame is an L-shaped support, and the L-shaped support and the reverse paper feeding tray form a paper groove with one open end.
Furthermore, at least one group of rollers for clamping paper is arranged at one end of the reverse paper feeding tray and one end of the reverse paper path bracket, which is far away from the guide inlet plate.
The utility model has the advantages and positive effects that: go up the roller and can compress tightly the paper with lower roller on the one hand, on the other hand go up the roller and set up with lower roller for the slope of paper guide frame, can guide the paper to the slope of paper guide frame direction, make the paper remove along the paper guide frame, prevent that the paper is crooked, all be equipped with the running roller on reverse paper feed tray and the reverse paper way support, can press from both sides tight paper and stabilize the paper feed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the embodiment of the present invention
Fig. 2 is a schematic view of a reverse paper feeding tray structure of an embodiment of the present invention
FIG. 3 is a schematic view of the structure of the paper guide frame of the embodiment of the present invention
Fig. 4 is the blasting schematic diagram of the roller device of the embodiment of the utility model
Fig. 5 is a schematic structural view of a roller device according to an embodiment of the present invention
In the figure: 1. the paper feeding device comprises a reverse paper feeding tray, 2 reverse paper path supports, 3 paper guide frames, 4 guide inlet plates, 5 roller shaft devices, 6 lower roller shafts, 7 upper roller shafts, 8 cover plates and 9 roller wheels
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings:
As shown in fig. 1, fig. 3 and fig. 4, a reverse side paper feeding correction device for laser printing comprises a reverse paper feeding tray 1 and a reverse paper path support 2, wherein a paper guide frame 3 connected with a guide inlet plate 4 is arranged at one end of the reverse paper feeding tray 1, a roller shaft device 5 is arranged on one side of the paper guide frame 3, the roller shaft device 5 comprises two roller shafts which are correspondingly arranged up and down, the two roller shafts are both obliquely arranged relative to the paper guide frame 3, and a roller 9 for clamping paper is arranged at the other end of the reverse paper feeding tray 1 and the other end of the reverse paper path support 2.
The utility model provides a reverse side paper feed correcting unit is printed to laser, can accomplish preliminary correction, the erroneous tendency correction and the stable correction of paper, specifically does, including reverse paper feed tray 1 and the reverse paper way support 2 of locating reverse paper feed tray 1 top, has on the reverse paper feed tray 1 to be used for leading-in direction inlet plate 4 with the paper, falls to inlet plate 4's the other end and connects paper guide frame 3, as shown in figure 2 the utility model discloses a paper guide frame schematic diagram is shown, and paper guide frame 3 specifically is the L type, and L type paper guide frame 3 forms with reverse paper feed tray 1 and has an open-ended elongated slot, and the paper moves along this elongated slot, accomplishes preliminary correction of paper.
As shown in fig. 2, 4 and 5, one side of the paper guide frame 3 is provided with a roller device 4, the roller device 4 comprises an upper roller 7 and a lower roller 6 which are correspondingly arranged, the paper guide frame further comprises a cover plate 8, the lower roller 6 is embedded on the reverse paper feed tray 1 and is connected with a driving device, the cover plate 8 is provided with a through hole, the upper roller 7 is arranged in the through hole, the lower roller 6 is in driving, the upper roller 7 is in driven driving, and paper sheets are clamped between the upper roller 7 and the lower roller 6 to ensure that paper can move stably. Go up roller 7 and lower roller 6 homogeneous phase and set up for the slope of paper guide 3, drive the paper and remove to paper guide 3 direction, prevent that the paper from removing in-process skew paper guide 3, accomplish the deviation correction of paper.
Preferably, the upper roll shaft 7 and the lower roll shaft 6 are inclined at an angle of 3 ° to 12 ° with respect to the paper guide 3, and in the embodiment of the present invention, the inclination angle is 7 °.
Furthermore, at least one set of rollers 9 is disposed at one end of the reverse paper feeding tray 1 and the reverse paper path bracket 2 away from the guide inlet plate 4, and the rollers 9 can clamp the paper to complete the stable correction of the paper.
The utility model has the advantages and positive effects that: go up the roller and can compress tightly the paper with lower roller on the one hand, on the other hand go up the roller and set up with lower roller for the slope of paper guide frame, can guide the paper to the slope of paper guide frame direction, make the paper remove along the paper guide frame, prevent that the paper is crooked, all be equipped with the running roller on reverse paper feed tray and the reverse paper way support, can press from both sides tight paper and stabilize the paper feed.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a reverse side correcting unit that form a sheet that laser printing, includes reverse paper feed tray and locates reverse paper way support above the reverse paper feed tray, reverse paper feed tray one end is equipped with direction entry board, its characterized in that: the reverse paper feeding tray is provided with a paper guide frame and a roller device located on one side of the paper guide frame, the paper guide frame is connected with one end of a guide inlet plate, the roller device comprises a lower roller, an upper roller and a cover plate, the lower roller corresponds to the upper roller, the lower roller is embedded in the reverse paper feeding tray, a through hole is formed in the cover plate, the upper roller is arranged in the through hole, and the upper roller and the lower roller are obliquely arranged relative to the paper guide frame to convey paper to the paper guide frame in the direction.
2. A laser printing reverse side feed correction apparatus as claimed in claim 1, wherein: the lower roll shaft is a driving roll shaft, and the upper roll shaft is a driven roll shaft.
3. A laser printing reverse side feed correction apparatus as claimed in claim 1, wherein: the inclination angles of the upper roll shaft and the lower roll shaft are 3-12 degrees.
4. A laser printing reverse side feed correction apparatus as claimed in claim 3, wherein: the inclination angles of the upper roller shaft and the lower roller shaft relative to the paper guide frame are 7 degrees.
5. A laser printing reverse side feed correction apparatus as claimed in claim 1, wherein: the paper guide frame is an L-shaped support, and the L-shaped support and the reverse paper feeding tray form a paper groove with one open end.
6. A laser printing reverse side feed correction apparatus as claimed in claim 1, wherein: and at least one group of rollers for clamping paper are arranged at one end of the reverse paper feeding tray and one end of the reverse paper path bracket, which is far away from the guide inlet plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255868.4U CN209775864U (en) | 2019-02-28 | 2019-02-28 | Reverse side paper feeding correcting device for laser printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255868.4U CN209775864U (en) | 2019-02-28 | 2019-02-28 | Reverse side paper feeding correcting device for laser printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209775864U true CN209775864U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920255868.4U Active CN209775864U (en) | 2019-02-28 | 2019-02-28 | Reverse side paper feeding correcting device for laser printing |
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| Country | Link |
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| CN (1) | CN209775864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693453A (en) * | 2019-02-28 | 2019-04-30 | 天津光电通信技术有限公司 | A kind of laser printing reverse side paper feed means for correcting |
-
2019
- 2019-02-28 CN CN201920255868.4U patent/CN209775864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693453A (en) * | 2019-02-28 | 2019-04-30 | 天津光电通信技术有限公司 | A kind of laser printing reverse side paper feed means for correcting |
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