Facilitate the printer of paper feed
Technical field
The utility model belongs to printer field, is specifically related to a kind of printer that facilitates paper feed.
Background technology
In printer print procedure, what printing paper was correct enter, and print zone is extremely important for improving printing effect, existing printing paper is after entering paper feed passage, due to the distortion of printing paper or stressedly easily upwarp, and then generation paperboard, printing effect is caused and had a strong impact on, also shortened the service life of printer.
Summary of the invention
Based on this, the utility model is to overcome the defect of prior art, and a kind of printer that facilitates paper feed is provided, and the utility model can make printing paper enter more accurately print zone, reduces paperboard, has improved printing effect, has also extended the service life of printer.
Its technical scheme is as follows:
A kind of printer that facilitates paper feed, comprise housing and be positioned at the paper feed platform of housing, one end that paper feed platform is front end towards one end of page orientation, deviate from page orientation is rear end, be provided with the first transport roller and the second transport roller in the bottom of paper feed platform, be provided with printhead and the 3rd transport roller on the top of paper feed platform, printhead is relative with the first transport roller, and the second transport roller is relative with the 3rd transport roller, and printhead is positioned at the 3rd transport roller front end; Between printhead and the 3rd transport roller, be provided with paper feed compressing tablet, paper feed compressing tablet is positioned at the top of paper feed platform.
Below further technical scheme is described:
The upper surface of described paper feed platform is recessed and form recessed section with respect to its front end and rear end at least partly, the lower surface of described paper feed compressing tablet at least partly with respect to protruding under its front end and rear end and form lower convex section, recessed section of paper feed platform is relative with the lower convex section of paper feed compressing tablet.
The front end of described paper feed compressing tablet forms downward section to downward-extension, and the below of described printhead is stretched in its end.
The front end of described printhead is downward-sloping.
The rear end of described paper feed compressing tablet is relative with the 3rd transport roller.
Described paper feed platform has multiple partitions, forms fluting between adjacent two partitions, and described the second transport roller contacts cooperation with the 3rd transport roller at this fluting place.
Described paper feed platform comprises the first platform and the second platform, on the first platform, be provided with contraposition lack, described partition be located on the second platform and stretch into aforementioned contraposition lack in.
Both sides at described paper feed platform are equipped with banking stop.
On described housing, be provided with exit slot, be also provided with passage briquetting at the front end of described paper feed platform, and the front end of described paper feed platform and passage briquetting formation paper feed mouth, the front end of this paper feed mouth is relative with described exit slot.
Advantage to aforementioned techniques scheme or principle describe below:
1, due to paper feed compressing tablet being set above paper feed platform, when printing paper enters after paper feed platform, printing paper is from the region between paper feed platform and paper feed compressing tablet, if printing paper because of stressed or distortion upwarp, due to the effect of paper feed compressing tablet, printing paper can not upwarp paperboard, has improved the printing effect of printer, and has extended the service life of printer.
2, paper feed compressing tablet protrudes downwards, and in the time that the printing paper upwarping passes through this region, lower protruding paper feed compressing tablet oppositely bends the printing paper upwarping and makes it smooth.
3, described paper feed platform has multiple partitions, forms fluting between adjacent two partitions, and when printing paper passes through the position between the second transport roller and the 3rd transport roller, due to the buffer action of partition, last volume can not occur printing paper, has reduced the generation of paper jam phenomenon.
4, be equipped with banking stop in the both sides of described paper feed platform, carry out spacing to the both sides of printing paper.
5, be also provided with passage briquetting at the front end of described paper feed platform, printing paper can be aimed at exit slot and send from exit slot through paper feed platform more accurately.
Brief description of the drawings
Fig. 1 is that printer is pulled down the structure chart after front panel described in the utility model embodiment;
Fig. 2 is the partial enlarged drawing at printer paper-feeding platform place described in the utility model embodiment;
Fig. 3 is the disassembly diagram at printer paper-feeding platform place described in the utility model embodiment;
Description of reference numerals:
10, housing, 11, exit slot, 20, paper feed platform, 21, partition, 22, fluting, 23, banking stop, 24, recessed section, 25, the first platform, 26, the second platform, 30, the first transport roller, 31, the second transport roller, 32, the 3rd transport roller, 33, printhead, 40, paper feed compressing tablet, 41, lower convex section, 50, passage briquetting.
Detailed description of the invention
Below embodiment of the present utility model is elaborated:
As shown in Figure 1 to Figure 3, a kind of printer that facilitates paper feed, comprise housing 10 and be positioned at the paper feed platform 20 of housing 10, one end that paper feed platform 20 is front end towards one end of page orientation, deviate from page orientation is rear end, be provided with the first transport roller 30 and the second transport roller 31 in the bottom of paper feed platform 20, be provided with printhead 33 and the 3rd transport roller 32 on the top of paper feed platform 20, printhead 33 is relative with the first transport roller 30, the second transport roller 31 is relative with the 3rd transport roller 32, and printhead 33 is positioned at the 3rd transport roller 32 front ends; Between printhead 33 and the 3rd transport roller 32, be provided with paper feed compressing tablet 40, paper feed compressing tablet 40 is positioned at the top of paper feed platform 20.
Wherein, the upper surface of described paper feed platform 20 is recessed and form recessed section 24 with respect to its front end and rear end at least partly, the lower surface of described paper feed compressing tablet 40 at least partly with respect to protruding under its front end and rear end and form lower convex section 41, recessed section 24 of paper feed platform 20 is relative with the lower convex section 41 of paper feed compressing tablet 40.Described paper feed platform 20 has multiple partitions 21, forms fluting 22 between adjacent two partitions 21, and described the second transport roller 31 contacts cooperation with the 3rd transport roller 32 at these fluting 22 places.Described paper feed platform 20 comprises the first platform 25 and the second platform 26, on the first platform 25, be provided with contraposition lack, described partition 21 be located on the second platform 26 and stretch into aforementioned contraposition lack in, be equipped with banking stop 23 in the both sides of described paper feed platform 20.
On described housing 10, be provided with exit slot 11, be also provided with passage briquetting 50 at the front end of described paper feed platform 20, and the front end of described paper feed platform 20 and passage briquetting 50 form paper feed mouth, the front end of this paper feed mouth is relative with described exit slot 11.
The present embodiment tool has the following advantages:
1, due to paper feed compressing tablet 40 being set above paper feed platform 20, when printing paper enters after paper feed platform 20, printing paper is from the region between paper feed platform 20 and paper feed compressing tablet 40, if printing paper because of stressed or distortion upwarp, due to the effect of paper feed compressing tablet 40, printing paper can not upwarp paperboard, has improved the printing effect of printer, and has extended the service life of printer.
2, paper feed compressing tablet 40 protrudes downwards, and in the time that the printing paper upwarping passes through this region, lower protruding paper feed compressing tablet 40 oppositely bends the printing paper upwarping and makes it smooth.
3, described paper feed platform 20 has multiple partitions 21, between adjacent two partitions 21, form fluting 22, when printing paper passes through the position between the second transport roller 31 and the 3rd transport roller 32, due to the buffer action of partition 21, can there is not last volume in printing paper, reduced the generation of paper jam phenomenon.
4, be equipped with banking stop 23 in the both sides of described paper feed platform 20, carry out spacing to the both sides of printing paper.
5, be also provided with passage briquetting 50 at the front end of described paper feed platform 20, printing paper can be aimed at exit slot 11 and send from exit slot 11 through paper feed platform 20 more accurately.
The above embodiment has only expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.