CN220785254U - Paper feeding mechanism of printer - Google Patents

Abstract

The utility model relates to the technical field of printers, in particular to a paper feeding mechanism of a printer, which drives a rotary disc and a screw rod to rotate by adjusting a rotary handle, so that a connecting frame and a material pressing roller move up and down along a connecting chute; through set up the fixed plate in the rotary disk side, the pull rod has been cup jointed on the fixed plate surface, and wherein a plurality of spacing hole has evenly been seted up to rotary disk side surface, stopper and spacing hole gomphosis fixed connection mutually to can fix the position of rotary disk, prevent the vibration that produces when using, influence the distance between the conveying roller that adjusts and the swager roller.

Description

Paper feeding mechanism of printer

Technical Field

The utility model relates to the technical field of printers, in particular to a paper feeding mechanism of a printer.

Background

A printer is one of the output devices of a computer for printing the results of computer processing on a related medium. The indexes for measuring the quality of the printer have three items: print resolution, print speed, and noise. Printers are of various types, and impact printers and non-impact printers are classified according to whether or not a printing element has an impact on paper.

The conventional paper feeding mechanism of the printer is inconvenient to adjust, so that paper products with different thicknesses are inconvenient to convey, the practicability of equipment is reduced, and the paper feeding mechanism of the printer is designed for the problems.

Disclosure of Invention

The present utility model is directed to a paper feeding mechanism for a printer, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a printer paper feeding mechanism, includes installing frame, conveying roller and swager roller, the conveying roller is installed through the bearing to installing frame inner chamber bottom, conveying roller one end has the motor in installing frame external surface mounting, the conveying roller top is provided with the connecting frame in the installing frame inside, the inside swager roller that presses is installed through the bearing of connecting frame, the connecting frame top is connected with the lead screw, the lead screw top is connected with the rotary disk, rotary disk top one side is provided with rotatory handle, the rotary disk side is provided with the fixed plate in installing frame top one side, the pull rod has been cup jointed on the fixed plate surface, stopper and pull head are installed respectively at pull rod both ends, the connecting chute has been seted up to installing frame both sides face, spacing chute has been seted up to connecting chute inner chamber lateral wall, the scale plate is installed to the connecting chute side.

Preferably, a plurality of limiting holes are uniformly formed in the side surface of the rotating disc, and the limiting blocks are fixedly connected with the limiting holes in a jogged mode.

Preferably, a connecting spring is sleeved on the surface of the drawing rod between the drawing head and the fixed plate.

Preferably, the two sides of the connecting frame are connected with sliding blocks, the sliding blocks are in embedded sliding connection with the connecting sliding grooves, the two sides of the sliding blocks are connected with embedded blocks, and the embedded blocks are in embedded sliding connection with the limiting sliding grooves.

Preferably, one end of the sliding block is connected with a scale needle, and the scale needle is attached to the surface of the scale plate.

Preferably, the screw rod is in threaded connection with the top of the mounting frame.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the rotating handle is adjusted to drive the rotating disc and the screw rod to rotate, so that the connecting frame and the material pressing roller move up and down along the connecting chute, and the scale plate is arranged on the side surface of the connecting chute, one end of the sliding block is connected with the scale needle, and the scale needle is attached to the surface of the scale plate, so that the distance between the material pressing roller and the conveying roller can be accurately adjusted to adapt to paper with different thicknesses; through set up the fixed plate in the rotary disk side, the pull rod has been cup jointed on the fixed plate surface, and wherein a plurality of spacing hole has evenly been seted up to rotary disk side surface, stopper and spacing hole gomphosis fixed connection mutually to can fix the position of rotary disk, prevent the vibration that produces when using, influence the distance between the conveying roller that adjusts and the swager roller.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the back structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a mounting frame; 2. a conveying roller; 3. a material pressing roller; 4. a motor; 5. a screw rod; 6. a rotating disc; 7. rotating the handle; 8. a limiting hole; 9. a fixing plate; 10. a pull rod; 11. a limiting block; 12. a connecting spring; 13. a drawing head; 14. a connection frame; 15. the connecting chute; 16. limiting sliding grooves; 17. a scale plate; 18. a slide block; 19. a fitting block; 20. a scale needle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a printer paper feeding mechanism, including installing frame 1, carry roller 2 and swager roller 3, install carry roller 2 through the bearing in installing frame 1 inner chamber bottom, carry roller 2 one end is installed motor 4 in installing frame 1 surface mounting, carry roller 2 top is provided with connecting frame 14 in installing frame 1 inside, connecting frame 14 is inside to install swager roller 3 through the bearing, connecting frame 14 top is connected with lead screw 5, the lead screw 5 top is connected with rotary disk 6, rotary disk 6 top one side is provided with rotatory handle 7, rotary disk 6 side is provided with fixed plate 9 in installing frame 1 top one side, pull rod 10 has been cup jointed on the fixed plate 9 surface, stopper 11 and pull head 13 are installed respectively at pull rod 10 both ends, connecting chute 15 has been seted up to installing frame 1 both sides face, spacing chute 16 has been seted up to connecting chute 15 inner chamber lateral wall, the scale plate 17 is installed to connecting chute 15 side.

Further, a plurality of limiting holes 8 are uniformly formed in the side surface of the rotating disc 6, and limiting blocks 11 are fixedly connected with the limiting holes 8 in a jogged mode.

Further, a connecting spring 12 is sleeved on the surface of the pull rod 10 between the pull head 13 and the fixed plate 9.

Further, two sides of the connecting frame 14 are connected with a sliding block 18, the sliding block 18 is in embedded sliding connection with the connecting chute 15, two sides of the sliding block 18 are connected with an embedded block 19, and the embedded block 19 is in embedded sliding connection with the limiting chute 16.

Further, one end of the sliding block 18 is connected with a scale needle 20, and the scale needle 20 is attached to the surface of the scale plate 17.

Further, the screw rod 5 is in threaded connection with the top of the installation frame 1.

According to the utility model, the rotating handle 7 is adjusted to drive the rotating disc 6 and the screw rod 5 to rotate, so that the connecting frame 14 and the material pressing roller 3 move up and down along the connecting chute 15, and the side surface of the connecting chute 15 is provided with the scale plate 17, one end of the sliding block 18 is connected with the scale needle 20, and the scale needle 20 is attached to the surface of the scale plate 17, so that the distance between the material pressing roller 3 and the conveying roller 2 can be accurately adjusted to adapt to paper with different thicknesses; through set up fixed plate 9 in rotary disk 6 side, fixed plate 9 surface has cup jointed pull rod 10, and wherein rotary disk 6 side surface has evenly offered a plurality of spacing hole 8, stopper 11 and spacing hole 8 gomphosis fixed connection mutually to can fix rotary disk 6's position, prevent the vibration that produces when using, influence the distance between good conveying roller 2 and the swager roller 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a printer paper feeding mechanism, includes installing frame (1), conveying roller (2) and swager roller (3), its characterized in that: the utility model discloses a rotary scale device for the automatic drawing machine of the steel wire rope is characterized in that a conveying roller (2) is installed at the bottom of an inner cavity of an installation frame (1) through a bearing, a motor (4) is installed at one end of the conveying roller (2) on the outer surface of the installation frame (1), a connecting frame (14) is arranged above the conveying roller (2) inside the installation frame (1), a pressing roller (3) is installed inside the connecting frame (14) through the bearing, a screw rod (5) is connected to the top of the connecting frame (14), a rotary disc (6) is connected to the top of the screw rod (5), a rotary handle (7) is arranged on one side of the top of the rotary disc (6), a fixing plate (9) is arranged on one side of the top of the installation frame (1), a drawing rod (10) is sleeved on the surface of the fixing plate (9), limiting blocks (11) and drawing heads (13) are respectively installed at two ends of the drawing rod (10), connecting sliding grooves (15) are formed in two side surfaces of the installation frame (1), limiting sliding grooves (16) are formed in the inner cavity side walls of the connecting sliding grooves (15), and scale plates (17) are arranged on the side surfaces of the connecting sliding grooves (15).

2. The printer paper feed mechanism of claim 1, wherein: a plurality of limiting holes (8) are uniformly formed in the side surface of the rotating disc (6), and limiting blocks (11) are fixedly connected with the limiting holes (8) in a jogged mode.

3. The printer paper feed mechanism of claim 1, wherein: the surface of the drawing rod (10) is sleeved with a connecting spring (12) between the drawing head (13) and the fixed plate (9).

4. The printer paper feed mechanism of claim 1, wherein: the connecting frame is characterized in that two sides of the connecting frame (14) are connected with sliding blocks (18), the sliding blocks (18) are connected with the connecting sliding grooves (15) in a jogged sliding mode, two sides of the sliding blocks (18) are connected with jogging blocks (19), and the jogging blocks (19) are connected with the limiting sliding grooves (16) in a jogged sliding mode.

5. The paper feed mechanism of claim 4, wherein: one end of the sliding block (18) is connected with a scale needle (20), and the scale needle (20) is attached to the surface of the scale plate (17).

6. The printer paper feed mechanism of claim 1, wherein: the screw rod (5) is in threaded connection with the top of the installation frame (1).