CN209143269U - A kind of digital-code printer papers pressing wheel device - Google Patents

Abstract

The utility model discloses a kind of digital-code printer papers pressing wheel devices, the front end of the fixed frame is fixedly installed with wheel frame by the first bolt, wheel shaft is installed below the wheel frame, several groups pressure roller has been mounted equidistant in the middle part of the wheel shaft, two end surfaces of the wheel shaft are fixedly installed with driven wheel, lower end is fixedly installed with bracket in the middle part of the fixed frame, shaft is fixedly installed with below the bracket, the both ends of the shaft are separately installed with driving wheel, the driving wheel, it is connected between driven wheel by driving belt, the wheel shaft upper lateral is equipped with sliding slot, external screw thread is equipped with outside the wheel shaft, the two sides of the wheel shaft are also bolted with the second bolt, several groups screw hole is equidistantly equipped in the sliding slot, the left end of the pressure roller is equipped with groove, the utility model adjusts the quantity of the pressure roller used according to the size of paper , so as to avoid the phenomenon that the out-of-flatness of paper both ends, various sizes of Paper Printing demand is suitable for during platen.

Description

A kind of digital-code printer papers pressing wheel device

Technical field

The utility model relates to pressure roller technical field, specially a kind of digital-code printer papers pressing wheel device.

Background technique

Printer needs to carry out paper in printing process arrangement conveying, and pressure roller is that the important printing auxiliary of one kind is set It is standby.During the paper sheet delivery of printing machine, paper generally conveys paper by the belt of movement, is furnished with above paper feeding belt Pressure roller increases the frictional force of paper and conveyor belt by the pressure of pressure roller, to guarantee that paper is synchronous with paper feeding belt Operation, therefore, pressure roller are the key devices for guaranteeing paper and the synchronous operation of paper feeding belt.For this purpose, application number CN201621220263.4's releases a kind of novel digital printer papers pressing wheel device, its advantage is that by being provided with adjusting bolt The adjusting to pressure roller height may be implemented, for adapting to the thickness of paper, man-machine interaction is more preferable.

But above-mentioned patent still has certain defect, and when paper lesser for width is suppressed, pressure roller Excessive and size is fixed, it may appear that one high and one low phenomenon.For this purpose, we release a kind of digital-code printer papers pressing wheel device.

Utility model content

The purpose of this utility model is to provide a kind of digital-code printer papers pressing wheel devices, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of digital-code printer papers pressing wheel device, packet Fixed frame is included, the front end of the fixed frame is fixedly installed with wheel frame by the first bolt, is equipped with below the wheel frame Several groups pressure roller has been mounted equidistant in the middle part of the wheel shaft in wheel shaft, and two end surfaces of the wheel shaft are fixedly installed with driven wheel, Lower end is fixedly installed with bracket in the middle part of the fixed frame, and shaft, the both ends of the shaft are fixedly installed with below the bracket It is separately installed with driving wheel, is connected between the driving wheel, driven wheel by driving belt, the wheel shaft upper lateral, which is equipped with, to be slided Slot, the wheel shaft outside are equipped with external screw thread, and the two sides of the wheel shaft are also bolted with the second bolt, if being equidistantly equipped in the sliding slot A dry group screw hole, the left end of the pressure roller are equipped with groove, and the right end of the pressure roller is equipped with protrusion, the inside of the pressure roller with And the inside of protrusion is equipped with sliding block, the sliding block is slidably connected in sliding slot, and the upper end of the protrusion is externally connected to third bolt, The lower end of the third bolt is connected in screw hole.

As advanced optimizing for the technical program, the fixed frame uses inverted U-shaped structure.

As advanced optimizing for the technical program, the outside of the pressure roller is equipped with the hemispherical for increasing frictional force Convex block.

As advanced optimizing for the technical program, the protrusion fastens with groove, so that several groups pressure roller Splicing becomes an entirety.

As advanced optimizing for the technical program, second bolt is located at the inside of wheel frame, passes through the second bolt Setting, from the both ends of wheel shaft will several groups pressure roller splicing after be fixed.

As advanced optimizing for the technical program, the protrusion is integrally formed setting with pressure roller.

Compared with prior art, the utility model has the beneficial effects that the utility model is consolidated the present apparatus by fixed frame Dingan County is mounted in printer, according to the thickness of paper to be printed, to adjust the position that the first bolt adjusts wheel frame, to make Pressure roller adapts to the thickness of paper, and when paper enters the lower section of pressure roller, wheel shaft rotation drives pressure roller rotation, to realize pressure Paper operation, can be improved the flatness that paper enters body, due to different printing demands, have that paper size is different to be showed As the width of each group of pressure roller all adapts to the size of each group of A paper, then can be adjusted and to be used according to the size of paper The quantity of pressure roller, when to biggish Paper Printing, adjacent pressure roller splicing becomes an entirety, will be outside the upper end of protrusion The third bolt of portion's connection is separated from screw hole, pushes several groups pressure roller close to each other, and passes through the second of wheel shaft two sides Bolt fixes several groups pressure roller, and external screw thread is equipped with outside wheel shaft, and the second bolt of knob is leaned on from two sides to intermediate pressure roller Closely, so that wheel shaft rotates simultaneously with several groups pressure roller, realizes the function of platen, prints to lesser paper When, each group of pressure roller can be made to become independent individual, and push pressure roller in wheel shaft by separating several groups pressure roller On move left and right to adapt to the position of paper, third bolt is externally connected to by the upper end of protrusion and consolidates pressure roller and wheel shaft It is fixed so that wheel shaft rotates simultaneously with several groups pressure roller, in this way can targetedly platen, when not appearing in platen, due to Pressure roller is wide and paper is smaller will appear the one high and one low phenomenon in pressure roller both ends, so as to avoid paper two during platen The phenomenon that holding out-of-flatness, the present apparatus is suitable for various sizes of Paper Printing demand.

Detailed description of the invention

Fig. 1 is the utility model side structure schematic view；

Fig. 2 is the utility model pressure roller and wheel shaft connection status structural schematic diagram；

Fig. 3 is the utility model pressure roller positive structure diagram；

Fig. 4 is the utility model pressure roller side structure schematic view；

Fig. 5 is the utility model wheel shaft side structure schematic view.

In figure: 1- fixed frame；The first bolt of 2-；3- wheel frame；4- wheel shaft；5- driven wheel；6- pressure roller；7- bracket；8- Shaft；9- driving wheel；11- driving belt；12- groove；The second bolt of 13-；14- sliding slot；15- sliding block；16- protrusion；17- third Bolt；18- screw hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of digital-code printer papers pressing wheel device, including The front end of fixed frame 1, the fixed frame 1 is fixedly installed with wheel frame 3, the lower section installation of the wheel frame 3 by the first bolt 2 There is wheel shaft 4, several groups pressure roller 6 has been mounted equidistant in the middle part of the wheel shaft 4, and two end surfaces of the wheel shaft 4 are fixedly installed with Driven wheel 5, the 1 middle part lower end of fixed frame are fixedly installed with bracket 7, and the lower section of the bracket 7 is fixedly installed with shaft 8, institute The both ends for stating shaft 8 are separately installed with driving wheel 9, are connected between the driving wheel 9, driven wheel 5 by driving belt 11, described 4 upper lateral of wheel shaft is equipped with sliding slot 14, is equipped with external screw thread outside the wheel shaft 4, the two sides of the wheel shaft 4 are also bolted with the second spiral shell Bolt 13, several groups screw hole 18 is equidistantly equipped in the sliding slot 14, and the left end of the pressure roller 6 is equipped with groove 12, the pressure roller 6 Right end be equipped with protrusion 16, the inside of the inside of the pressure roller 6 and protrusion 16 is equipped with sliding block 15, and the sliding block 15 is sliding In sliding slot 14, raised 16 upper end is externally connected to third bolt 17, and the lower end of the third bolt 17 is connected to spiral shell In hole 18.

Specifically, the fixed frame 1 uses inverted U-shaped structure.

Specifically, the outside of the pressure roller 6 is equipped with the hemispherical bumps for increasing frictional force.

Specifically, described raised 16 fasten with groove 12, so that the splicing of several groups pressure roller 6 is whole as one Body.

Specifically, second bolt 13 is located at the inside of wheel frame 3, by the setting of the second bolt 13, from wheel shaft 4 Both ends are fixed after splicing several groups pressure roller 6.

Specifically, described raised 16 are integrally formed setting with pressure roller 6.

Specifically, specifically, in use, the present apparatus is fixedly mounted on printer by fixed frame 1, according to wait beat The thickness of printing paper adjusts the position of wheel frame to adjust the first bolt 2, so that pressure roller 6 be made to adapt to the thickness of paper, works as paper Into pressure roller 6 lower section, wheel shaft 4 rotation drive pressure roller 6 rotate, thus realize platen operate, can be improved paper into The flatness for entering body has the different phenomenon of paper size, the width of each group of pressure roller 6 due to different printing demands All adapt to the size of each group of A4 paper, the quantity of the pressure roller 6 used can be then adjusted according to the size of paper, to compared with When big Paper Printing, by being equipped with groove 12 in the left end of pressure roller 6, the right end of pressure roller 6 is equipped with protrusion 16, so that adjacent Pressure roller 6 be able to splicing and become an entirety, the inside of the inside of pressure roller 6 and protrusion 16 is equipped with sliding block 15, sliding block 15 are slidably connected in sliding slot 14, and the third bolt 17 of the upper end external connection of protrusion 16 is separated from screw hole 18, push several groups Pressure roller 6 is close to each other, and sliding block 15 moves in sliding slot 14, and by the second bolt 13 of 4 two sides of wheel shaft by several groups pressure Paper wheel 6 is fixed, and external screw thread is equipped with outside wheel shaft 4, and the second bolt of knob 13 is close from two sides to intermediate pressure roller 6, makes in this way It obtains wheel shaft 4 to rotate simultaneously with several groups pressure roller 6, realizes the function of platen, when being printed to lesser paper, can pass through Several groups pressure roller 6 is separated, so that each group of pressure roller 6 is become independent individual, and push pressure roller 6 left on the wheel shaft 4 It moves right to adapt to the position of paper, third bolt 17 is externally connected to for pressure roller 6 and wheel shaft 4 by the upper end of protrusion 16 It is fixed so that wheel shaft 4 rotates simultaneously with several groups pressure roller 6, in this way can targetedly platen, when not appearing in platen, Since pressure roller 6 is wide and paper is smaller will appear the one high and one low phenomenon in 6 both ends of pressure roller, during platen The phenomenon that paper both ends out-of-flatness, the present apparatus are suitable for various sizes of Paper Printing demand.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of digital-code printer papers pressing wheel device, including fixed frame (1), it is characterised in that: the front end of the fixed frame (1) is logical It crosses the first bolt (2) to be fixedly installed with wheel frame (3), be equipped with wheel shaft (4) below the wheel frame (3), the wheel shaft (4) Middle part be mounted equidistant several groups pressure roller (6), two end surfaces of the wheel shaft (4) are fixedly installed with driven wheel (5), described Lower end is fixedly installed with bracket (7) in the middle part of fixed frame (1), is fixedly installed with shaft (8) below the bracket (7), described turn The both ends of axis (8) are separately installed with driving wheel (9), pass through driving belt (11) phase between the driving wheel (9), driven wheel (5) Even, wheel shaft (4) upper lateral is equipped with sliding slot (14), is equipped with external screw thread outside the wheel shaft (4), and the two of the wheel shaft (4) Side is also bolted with the second bolt (13), is equidistantly equipped with several groups screw hole (18) in the sliding slot (14), a left side for the pressure roller (6) End is equipped with groove (12), and the right end of the pressure roller (6) is equipped with raised (16), the inside of the pressure roller (6) and protrusion (16) inside is equipped with sliding block (15), and the sliding block (15) is slidably connected in sliding slot (14), outside the upper end of the protrusion (16) It is connected with third bolt (17), the lower end of the third bolt (17) is connected in screw hole (18).

2. a kind of digital-code printer papers pressing wheel device according to claim 1, it is characterised in that: the fixed frame (1) is adopted Use inverted U-shaped structure.

3. a kind of digital-code printer papers pressing wheel device according to claim 1, it is characterised in that: the pressure roller (6) Outside is equipped with the hemispherical bumps for increasing frictional force.

4. a kind of digital-code printer papers pressing wheel device according to claim 1, it is characterised in that: it is described protrusion (16) with it is recessed Slot (12) fastens.

5. a kind of digital-code printer papers pressing wheel device according to claim 1, it is characterised in that: second bolt (13) Positioned at the inside of wheel frame (3).

6. a kind of digital-code printer papers pressing wheel device according to claim 1, it is characterised in that: the protrusion (16) and pressure Paper wheel (6) is integrally formed setting.