CN213831037U

CN213831037U - Paper feeding roller for printer

Info

Publication number: CN213831037U
Application number: CN202022216016.XU
Authority: CN
Inventors: 杨勇
Original assignee: Tianjin Antaihe Technology Trade Co ltd
Current assignee: Tianjin Antaihe Technology Trade Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-30
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a cylinder form advances for printer, including the layer board, layer board top both sides set up fixed frame along layer board middle part symmetry, and the vertical a plurality of slide bars that set up in fixed frame inboard bottom, slide bar top and fixed frame inboard top are connected and slide on the slide bar and set up the mounting panel, and the slide bar outside is located the mounting panel top and sets up the spring, and the spring other end sets up with the laminating of fixed frame top, lies in on the mounting panel lateral wall to rotate between two mounting panels and sets up the pressure paper running roller, lies in on the mounting panel to press paper running roller one side and set up first spout. The utility model has the advantages that the paper pressing wheel and the paper feeding wheel are connected by the mounting plate, so that linkage is realized, and the paper feeding wheel can be adjusted, thereby reducing the abrasion of the paper feeding wheel and improving the service performance of the paper feeding wheel; the stopper is convenient for fix and dismantle the feed pulley with fastening nut simultaneously, can adjust the paper through the connecting rod that length is different and spacing guide pulley cooperation in transmission process, prevents that the paper from taking place the skew, increases the stability that the paper was carried.

Description

Paper feeding roller for printer

Technical Field

The utility model belongs to the technical field of the paper cylinder, especially, relate to a printer is with cylinder of form advancing.

Background

The paper feeding mechanism of the stylus printer is made up of main parts such as the roller of the main drive axle, paper feeding motor, threaded spindle, paper guide, sensor (detect whether there is paper) etc., the printing paper is pressed between roller of the main drive axle and threaded spindle, the paper feeding motor drives the printing roller to rotate in the direction of paper feeding, the printing paper rotates with the roller of the main drive axle under the influence of friction force, thus realize the movement of paper feeding, most feed rollers until now use spring oppression and paper contact then rotate and carry on the paper transport, but because the strength of the spring is not easy to regulate, the feed roller will produce the greater friction force with printing paper while rotating when putting into more printing paper once, lead to the paper damage or the feed roller abrades seriously, there are more faults while using, and sometimes the paper will produce the deflection in the course of transporting, lead to missing printing and bias printing, reduce its performance, to this end, a paper feed roller for a printer is proposed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a printer is with cylinder of form advancing.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a paper feeding roller for a printer comprises a supporting plate, wherein fixed frames are symmetrically arranged on two sides of the top of the supporting plate along the middle of the supporting plate, a plurality of slide bars are vertically arranged at the bottom of the inner side of each fixed frame, the tops of the slide bars are connected with the top of the inner side of the fixed frame, mounting plates are arranged on the slide bars in a sliding manner, springs are arranged at the tops of the mounting plates on the outer sides of the slide bars, the other ends of the springs are attached to the top of the fixed frame, paper pressing rollers are arranged on the side walls of the mounting plates between the two mounting plates in a rotating manner, a first sliding groove is formed in one side of each paper pressing roller on each mounting plate, a sliding block is arranged in the first sliding groove in a sliding manner, a first adjusting bolt is arranged at the top of the sliding block in a rotating manner, the free end of the top of the first adjusting bolt penetrates through the mounting plates and is arranged at the top of the mounting plates, a rotating shaft is horizontally arranged between the two sliding blocks on the side walls of the sliding block, the utility model discloses a fixing device for a paper feeding wheel, including pivot outside, feeder pulley, stopper, spacing strip, second spout, connecting plate lateral wall, first connecting rod, second connecting rod, third connecting rod, connecting plate lateral wall, the pivot outside is located the feeder pulley both sides suit sets up the stopper, the outside is rotated on the stopper and is set up fastening nut, lie in on the layer board fixed frame one side sets up the second spout, the laminating of second spout top sets up spacing strip, spacing strip with the layer board passes through second spout sliding connection, spacing strip top is rotated and is set up second adjusting bolt, lie in on the fixed frame lateral wall the layer board both sides set up the connecting plate, be close to on the connecting plate lateral wall feeder pulley one side level sets up first connecting rod, lie in on the connecting plate lateral wall first connecting rod one side sets gradually second connecting rod and third connecting rod, first connecting rod the second connecting rod with the vertical rotation of third connecting rod free end army sets up spacing guide pulley.

Preferably: the length of first connecting rod, second connecting rod and the third connecting rod increases in proper order, the material of feed advance wheel is rubber.

The utility model has the advantages and positive effects that:

the paper pressing wheel is connected with the paper feeding wheel by arranging the mounting plate, so that linkage is realized, and meanwhile, the paper feeding wheel can be adjusted, thereby reducing the abrasion of the paper feeding wheel and improving the service performance of the paper feeding wheel; the stopper is convenient for fix and dismantle the feed pulley with fastening nut simultaneously, can adjust the paper through the connecting rod that length is different and spacing guide pulley cooperation in transmission process, prevents that the paper from taking place the skew, increases the stability that the paper was carried.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is an isometric view of a paper feed roller for a printer in accordance with the present invention;

FIG. 2 is a front view of a paper feed roller for a printer in accordance with the present invention;

the reference numerals are explained below:

1. a fixing frame; 2. mounting blocks; 3. a platen roller; 4. a first chute; 5. a rotating shaft; 6. a paper feeding wheel; 7. a first adjusting bolt; 8. a slide bar; 9. a spring; 10. a second chute; 11. a slider; 12. a connecting plate; 13. a first link; 14. a second link; 15. a third link; 16. a limiting guide wheel; 17. a support plate; 18. a limiting strip; 19. a second adjusting bolt; 20. a limiting block; 21. and (5) tightening the nut.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in figures 1-2, a paper feeding roller for a printer comprises a supporting plate 17, wherein fixed frames 1 are symmetrically arranged at two sides of the top of the supporting plate 17 along the middle of the supporting plate 17, a plurality of slide bars 8 are vertically arranged at the bottom of the inner side of the fixed frame 1, the tops of the slide bars 8 are connected with the top of the inner side of the fixed frame 1, mounting plates 2 are arranged on the slide bars 8 in a sliding manner, springs 9 are arranged at the tops of the mounting plates 2 at the outer sides of the slide bars 8, the other ends of the springs 9 are attached to the top of the fixed frame 1, paper pressing rollers 3 are rotatably arranged between the two mounting plates 2 on the side walls of the mounting plates 2, first sliding grooves 4 are arranged on one sides of the paper pressing rollers 3 on the mounting plates 2, sliding blocks 11 are arranged in the first sliding grooves 4, first adjusting bolts 7 are rotatably arranged at the tops of the sliding blocks 11, free ends of the tops of the first adjusting bolts 7 penetrate through the mounting plates 2 and are arranged at the tops of the mounting plates 2, a rotating shaft 5 is horizontally arranged between the two sliding blocks 11 on the side walls of the sliding

blocks

11, 5 outside suit feed roller 6 of pivot, 5 outside in the pivot is located 6 both sides suit of feed roller and sets up stopper 20, the outside is rotated and is set up fastening nut 21 on stopper 20, it sets up second spout 10 to lie in fixed frame 1 one side on the layer board 17, the laminating of second spout 10 top sets up spacing 18, spacing 18 passes through second spout 10 sliding connection with layer board 17, spacing 18 top is rotated and is set up second adjusting bolt 19, it sets up connecting plate 12 to lie in layer board 17 both sides on the fixed frame 1 lateral wall, it sets up first connecting rod 13 to be close to 6 one side levels of feed roller on the connecting plate 12 lateral wall, it sets gradually second connecting rod 14 and third connecting rod 15 to lie in first connecting rod 13 one side on the connecting plate 12 lateral wall, first connecting rod 13, second connecting rod 14 and the vertical rotation of the 15 free ends army of third connecting rod set up spacing guide pulley 16.

The working process of the embodiment: an operator moves the mounting plate 2 upwards, places paper on the supporting plate 17, adjusts the position of the limiting strip 18 through the second adjusting bolt 19, then moves the mounting plate 2 downwards, enables the paper pressing roller 3 to be in contact with and tightly press the paper, adjusts the first adjusting bolt 7, controls the position of the paper feeding wheel 6 to be in contact with the paper, then feeds the paper through the rotation of the paper feeding roller, and if the paper deviates in the conveying process, the paper feeding guide wheel rotates to feed the paper.

Preferably: the lengths of the first link 13, the second link 14 and the third link 15 are increased in sequence, and the feed roller 6 is made of rubber.

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

1. The utility model provides a cylinder of form advancing for printer which characterized in that: comprises a supporting plate (17), wherein the two sides of the top of the supporting plate (17) are symmetrically provided with a fixed frame (1) in the middle of the supporting plate (17), the bottom of the inner side of the fixed frame (1) is vertically provided with a plurality of slide bars (8), the top of each slide bar (8) is connected with the top of the inner side of the fixed frame (1), the slide bars (8) are provided with mounting plates (2) in a sliding way, the outer sides of the slide bars (8) are positioned at the top of the mounting plates (2) and provided with springs (9), the other ends of the springs (9) are laminated with the top of the fixed frame (1), the mounting plates (2) are positioned on the side walls of the mounting plates (2) and are provided with paper pressing rollers (3) in a rotating way, the mounting plates (2) are positioned at one side of the paper pressing rollers (3) and provided with first sliding grooves (4), sliding blocks (11) are arranged in the first sliding ways (11), and first adjusting bolts (7) are arranged at the tops of the sliding blocks (11), the free end of the top of the first adjusting bolt (7) penetrates through the mounting plate (2) and is arranged at the top of the mounting plate (2), two rotating shafts (5) are horizontally arranged between the two sliding blocks (11) on the side wall of each sliding block (11), a paper feeding wheel (6) is sleeved outside each rotating shaft (5), the two sides of each paper feeding wheel (6) are sleeved with limit blocks (20), fastening nuts (21) are rotatably arranged on the upper outer sides of the limit blocks (20), a second sliding groove (10) is arranged on one side of the fixed frame (1) on the supporting plate (17), a limit strip (18) is attached to the top of the second sliding groove (10), the limit strip (18) is in sliding connection with the supporting plate (17) through the second sliding groove (10), a second adjusting bolt (19) is rotatably arranged at the top of the limit strip (18), and connecting plates (12) are arranged on the two sides of the supporting plate (17) on the side wall of the fixed frame (1), be close to on connecting plate (12) the lateral wall feeding wheel (6) one side level sets up first connecting rod (13), lie in on connecting plate (12) lateral wall first connecting rod (13) one side sets gradually second connecting rod (14) and third connecting rod (15), first connecting rod (13) second connecting rod (14) with third connecting rod (15) free end army vertical rotation sets up spacing guide pulley (16).

2. The paper feed roller for a printer as claimed in claim 1, wherein: the length of the first connecting rod (13), the length of the second connecting rod (14) and the length of the third connecting rod (15) are sequentially increased, and the paper feeding wheel (6) is made of rubber.