Paper feeding device of printer
The technical field is as follows:
the invention relates to the technical field of printing equipment, in particular to a paper feeding device of a printer.
Background art:
the printer is one of output devices of a computer, is used for printing a computer processing result on a related medium, a plurality of places in life and work need to use printing connection, general printers are all fixed specifications and can only print paper of one specification, the specification of the printing paper is too small, not only printed matters are small and are not easy to see clearly, the printing quality is influenced, but also the printing paper cannot be fixed during printing, the inclination phenomenon and even the folding phenomenon occur easily, the printed matters are irregular, the specification of the printing paper is too large, the waste of the paper is caused, the printer is not suitable for printing the paper of all specifications, the application range is narrow, and the applicability of the printer is reduced.
The invention content is as follows:
the present invention is directed to a paper feeding device for a printer to solve the above problems.
In order to solve the above problems, the present invention provides a technical solution:
a paper feeding device of a printer comprises a left clapboard, a right clapboard, a connecting piece, a compression roller arm, a compression roller shaft, a slide rail, a scale mark, a sliding sleeve, a locking piece, a longitudinal chute, a lifting knob, a pressing sheet, a conveying roller, a transverse chute, a positioning sleeve piece, a transverse convex ring, a positioning ring, a driving motor, an output shaft, a positioning groove, a convex ring notch, a sliding sleeve notch and balls, the left clapboard and the right clapboard are both fixedly provided with press roll arms through connecting pieces, a press roll shaft is fixedly arranged between the press roll arms, the press roll shaft is provided with a slide rail, and the compression roller shaft is provided with a sliding sleeve in a sliding way through the sliding rail, a locking piece is embedded on the sliding sleeve, the locking piece penetrates through the sliding sleeve to be tightly pressed with the press roller shaft, a longitudinal sliding groove is arranged on the sliding sleeve, and a lifting knob is connected in the longitudinal sliding groove in a sliding manner, and one end of the lifting knob is fixedly connected with a pressing sheet.
As preferred, the roller axle below fixed mounting have defeated material roller between the compression roller arm, defeated material roller both sides tip department has all seted up horizontal spout, just defeated material roller passes through horizontal spout slidable mounting has a location external member, the location external member is including the sideslip bulge loop, the sideslip bulge loop both sides be equipped with the holding ring on the location external member, just the location external member corresponds the setting rather than the top the sliding sleeve, the constant head tank has been seted up to the sliding sleeve bottom, just the sideslip bulge loop top is located in the constant head tank, the constant head tank both ends seted up the sliding sleeve notch on the sliding sleeve, the sliding sleeve notch corresponds the bulge loop notch has been seted up on the sideslip bulge loop, just the bulge loop notch with the ball has been placed between the sliding sleeve notch, the ball respectively with the bulge loop notch with sliding sleeve notch sliding contact.
Preferably, the side end faces of the left partition plate and the right partition plate are fixedly provided with driving motors, and the output ends of the driving motors are fixedly connected with the material conveying roller through output shafts.
Preferably, the press roller shaft is provided with scale marks.
Preferably, the number of the pressing sheets is 2, and each pressing sheet is located above the material conveying roller.
Preferably, a sliding block is fixed on the end wall of the inner ring of the positioning sleeve, and the positioning sleeve is in sliding connection with the material conveying roller through the transverse sliding chute and the sliding block.
Preferably, the surface of the material conveying roller is tightly attached with a layer of plastic film.
Preferably, the graduation marks are spaced apart by 10 mm.
The invention has the beneficial effects that:
when the lateral-moving type paper printer is used, the positioning sleeve can be enabled to move laterally through the lateral sliding groove, the lateral-moving convex ring on the positioning sleeve is connected with the sliding sleeve in a sliding mode, the positioning sleeve can move laterally on the material conveying roller through the sliding sleeve, the distance is convenient to adjust, meanwhile, paper of various specifications can be placed conveniently, the use range of the printer is improved, the size of the distance can be accurately adjusted in the lateral moving process through the scale marks on the pressing roller shaft, the operation efficiency is improved, the paper can be pressed and held through the pressing sheet in the use process, and the effect that the edge warping phenomenon of the paper affects the printing effect in the conveying process is guaranteed.
The paper-saving device is compact in structure, convenient to use, capable of achieving multi-angle and multi-direction carrying operation, convenient to use, capable of enabling the positioning ring to be fixed to two ends of paper by adjusting the distance between the positioning sleeve pieces through the movable sliding sleeve, capable of avoiding displacement, capable of improving printing quality, capable of placing paper of various specifications and improving the application range of the printer, capable of reasonably utilizing the paper and saving paper, capable of meeting multiple use requirements of paper printing, flexible in overall use, high in working efficiency, high in practicability, good in economic benefit and social benefit, and suitable for popularization and use.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
fig. 3 is a schematic structural diagram of a positioning kit according to the present invention.
In the figure; 1. left baffle, 2, right baffle, 3, connecting piece, 4, compression roller arm, 5, compression roller axle, 6, slide rail, 7, scale mark, 8, sliding sleeve, 9, retaining member, 10, vertical spout, 11, lift knob, 12, preforming, 13, defeated material roller, 14, horizontal spout, 15, location external member, 16, sideslip bulge loop, 17, holding ring, 18, driving motor, 19, output shaft, 20, constant head tank, 21, bulge loop notch, 22, sliding sleeve notch, 23, ball.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a paper feeding device of a printer comprises a left partition board 1, a right partition board 2, a connecting piece 3, a compression roller arm 4, a compression roller shaft 5, a slide rail 6, a scale mark 7, a sliding sleeve 8, a locking piece 9, a longitudinal chute 10, a lifting knob 11, a pressing sheet 12, a conveying roller 13, a transverse chute 14, a positioning sleeve piece 15, a transverse convex ring 16, a positioning ring 17, a driving motor 18, an output shaft 19, a positioning groove 20, a convex ring notch 21, a sliding sleeve notch 22 and balls 23, wherein the compression roller arm 4 is fixedly arranged on the left partition board 1 and the right partition board 2 through the connecting piece 3, a compression roller shaft 5 is fixedly arranged between the compression roller arms 4, the slide rail 6 is arranged on the compression roller shaft 5, the sliding sleeve 8 is slidably arranged through the slide rail 6, the locking piece 9 is embedded on the sliding sleeve 8, the locking piece 9 penetrates through the sliding sleeve 8 to be tightly pressed with the compression roller shaft 5, the longitudinal chute, one end of the lifting knob 11 is fixedly connected with a pressing sheet 12.
Wherein, a material conveying roller 13 is fixedly arranged between the roller arms 4 below the roller shaft 5, the end parts at both sides of the material conveying roller 13 are respectively provided with a transverse chute 14, the material conveying roller 13 is slidably provided with a positioning sleeve member 15 through the transverse chute 14, the positioning sleeve member 15 comprises a transverse moving convex ring 16, the positioning sleeve members 15 at both sides of the transverse moving convex ring 16 are provided with positioning rings 17, the positioning sleeve members 15 are arranged corresponding to the sliding sleeve 8 above the positioning sleeve members 15, the bottom of the sliding sleeve 8 is provided with a positioning groove 20, the top of the transverse moving convex ring 16 is positioned in the positioning groove 20, the sliding sleeve 8 at both ends of the positioning groove 20 is provided with a sliding sleeve notch 22, the transverse moving convex ring 16 corresponding to the sliding sleeve notch 22 is provided with a convex ring notch 21, a ball 23 is arranged between the convex ring notch 21 and the sliding sleeve notch 22, the ball 23 is respectively in sliding contact, the transverse moving convex ring 16 on the positioning sleeve member 15 is in sliding connection with the sliding sleeve 8, the positioning sleeve member 15 can transversely move on the material conveying roller 13 by moving the sliding sleeve 8, paper of various specifications can be conveniently placed, and the application range of the printer is widened.
All fixed mounting has driving motor 18 in left baffle 1 and 2 side end face departments of right baffle, and driving motor 18 output passes through output shaft 19 and defeated material roller 13 fixed connection, scale mark 7 has been seted up on the pressure roller axle 5, preforming 12 is equipped with 2, and every preforming 12 all is located defeated material roller 13 top, be fixed with the slider on the wall of location external member 15 inner ring end, and location external member 15 is through horizontal spout 14 and slider and defeated material roller 13 sliding connection, defeated material roller 13 surface closely laminates has one deck plastic film, the interval is 10mm between the scale mark 7, make the spacing size that can be accurate at the sideslip in-process through scale mark 7 on the pressure roller axle 5, the operating efficiency is improved, can press the paper through preforming 12 in the use, it influences the printing effect to have guaranteed that the paper takes place to stick up the limit phenomenon in transportation process.
The using state of the invention is as follows: during the use, can make location external member 15 carry out the sideslip through horizontal spout 14, sideslip bulge loop 16 on the external member 15 of location carries out sliding connection with sliding sleeve 8, can make location external member 15 carry out the sideslip at defeated feed roller 13 through removing sliding sleeve 8, the interval is adjusted conveniently, the paper of conveniently placing various specifications simultaneously improves the application range of printer, make the spacing size that can be accurate at the sideslip in-process through scale mark 7 on the compression roller axle 5, improve the operating efficiency, can press the paper through preforming 12 in the use and hold, the paper has been guaranteed to take place to stick up the limit phenomenon influence and has been printed the effect in transportation process.
The paper-saving device is compact in structure, convenient to use, capable of achieving multi-angle and multi-direction carrying operation, convenient to use, capable of enabling the positioning ring to be fixed to two ends of paper by adjusting the distance between the positioning sleeve pieces through the movable sliding sleeve, capable of avoiding displacement, capable of improving printing quality, capable of placing paper of various specifications and improving the application range of the printer, capable of reasonably utilizing the paper and saving paper, capable of meeting multiple use requirements of paper printing, flexible in overall use, high in working efficiency, high in practicability, good in economic benefit and social benefit, and suitable for popularization and use.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.