CN219507210U

CN219507210U - Paper deviation correcting mechanism of needle printer

Info

Publication number: CN219507210U
Application number: CN202320860131.1U
Authority: CN
Inventors: 文武
Original assignee: Hunan Biaotuo Electronic Technology Co ltd
Current assignee: Hunan Biaotuo Electronic Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-11
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the technical field of printers, in particular to a paper deviation correcting mechanism of a needle printer, which comprises a supporting frame, a guide roller and a fixed frame, wherein the inner side of the side wall of the supporting frame is connected with a sliding plate in a sliding way, the lower side of the inner end of the sliding plate is rotationally connected with a transmission shaft lever, the outer side of the transmission shaft lever is connected with a guide wheel in a sliding way, the outer side of the guide wheel is rotationally connected with a movable frame, and the upper end of the movable frame is fixedly connected with a sliding rod.

Description

Paper deviation correcting mechanism of needle printer

Technical Field

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

Background

With the development of society, the application of the needle printer is more and more widespread, the needle printer is a special printer, and the ink jet and laser printers have great differences, but the difference of the needle printer is that other types of printers cannot be replaced, the main component of the needle printer is a printing head, so-called 9-needle, 16-needle and 24-needle printers are the number of printing needles on the printing head, and the printing head can be divided into a spiral type, a clapping type, an energy storage type, a sound factor type and a piezoelectric type according to the needle beating mode.

In the prior art, when the needle printer is used, manual placement is usually adopted for conveying paper, so that the regularity of the paper is difficult to ensure, the paper is easy to deviate, and printing on the paper is not facilitated; and the paper conveying limit treatment is difficult to be carried out according to the width of the paper, so that the paper conveying use of the paper with different widths is affected, and the paper is easy to be folded or deflected.

Disclosure of Invention

The utility model aims to provide a paper deviation correcting mechanism of a needle printer, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a paper mechanism of rectifying of needle printer, includes strut, guide roll and mount, the inboard sliding connection of lateral wall of strut has the sliding plate, the inboard downside of sliding plate rotates and is connected with the transmission axostylus axostyle, the outside sliding connection of transmission axostylus axostyle has the guide and send the wheel, the outside of guide and send the wheel rotates and is connected with the movable frame, the upper end fixedly connected with sliding lever of movable frame, the upper end fixedly connected with conflict board of sliding lever, the inboard fixedly connected with control circuit board of upper end of strut, the lower extreme electric connection of control circuit board has the trigger plate, electric connection between trigger plate and the conflict board.

Preferably, the inner side of the lower end of the support frame is rotationally connected with a guide roller, the upper side of the interior of the support frame is fixedly connected with a fixing frame, and the lower end of the inner side of the fixing frame is rotationally connected with a guide clamping roller.

Preferably, the outer end of the sliding plate is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with the transmission shaft lever.

Preferably, the upper side of the sliding rod is slidingly connected with a limiting ring, the limiting ring is slidingly connected with the fixing frame, and the surface of the lower rod body of the sliding rod is externally covered with a spring.

Preferably, an adjusting screw is spirally connected to the inner side of the upper end of the movable frame, the adjusting screw is rotationally connected with the supporting frame, and a rotating block is fixedly connected to the outer end of the adjusting screw.

Preferably, the outside fixedly connected with spacing sand grip of transmission axostylus axostyle, sliding connection between spacing sand grip and the guide wheel.

Preferably, the number of the guide wheels is four, and the guide wheels are symmetrically arranged about the central axis of the bracket.

Preferably, a limiting chute is arranged on the outer side of the upper side wall of the fixing frame, the width of the limiting chute corresponds to the diameter of the sliding rod, and the sliding rod is in sliding connection with the fixing frame.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged guide wheel, the sliding rod and the trigger plate, paper can be conveyed by utilizing the functions of the guide wheel and the guide roller, and the guide wheel at one side can slightly move upwards under the supporting function of the paper under the condition that the paper is inclined, so that the movable frame can drive the sliding rod to move upwards, the contact plate can be connected with the trigger plate, the guide wheel firstly contacted with the paper can stop rotating under the control action of the control circuit board, the conveying of one protruding end of the paper is stopped, the paper at the falling end can be continuously conveyed, and the guide wheel can simultaneously rotate after the guide wheels at the two ends of the paper are respectively contacted with the guide wheels at the left side and the right side, so that automatic deviation correcting treatment of the paper is realized;

2. according to the utility model, through the movable frame, the adjusting screw and the limiting raised strips, the adjusting screw can be rotated by rotating the rotating block, so that the movable frame can be moved, the guide wheel can be adjusted at the edge position according to the width of the paper, the outer side wall of the movable frame can carry out edge limiting treatment on the paper, the paper is conveyed more regularly, the guide wheel can not only rotate in a following manner but also translate left and right under the action of the limiting raised strips, and the device is adapted to the adjustment according to the width of the paper.

Drawings

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

FIG. 2 is a cross-sectional view of the mounting structure of the slide plate, drive shaft and adjustment screw of the present utility model;

FIG. 3 is a top view of the mounting structure of the interference plate and mount of the present utility model;

FIG. 4 is a cross-sectional view of the mounting structure of the slide bar, interference plate and stop collar of the present utility model.

In the figure: 1. a supporting frame; 2. a sliding plate; 3. a transmission shaft lever; 4. a guide wheel; 5. a movable frame; 6. a slide bar; 7. a contact plate; 8. a control circuit board; 9. a trigger plate; 10. a guide roller; 11. a fixing frame; 12. guiding and conveying a clamping roller; 13. a motor; 14. a limiting ring; 15. a spring; 16. adjusting a screw; 17. a rotating block; 18. limit convex strips.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: the paper deviation correcting mechanism of the needle printer comprises a supporting frame 1, a guide roller 10 and a fixed frame 11, wherein the inner side of the side wall of the supporting frame 1 is in sliding connection with a sliding plate 2, the lower side of the inner end of the sliding plate 2 is in rotary connection with a transmission shaft rod 3, the outer side of the transmission shaft rod 3 is in sliding connection with a guide wheel 4, the outer side of the guide wheel 4 is in rotary connection with a movable frame 5, the upper end of the movable frame 5 is fixedly connected with a sliding rod 6, the upper end of the sliding rod 6 is fixedly connected with a supporting plate 7, the inner side of the upper end of the supporting frame 1 is fixedly connected with a control circuit board 8, the lower end of the control circuit board 8 is in electric connection with a trigger plate 9, the trigger plate 9 is in electric connection with the supporting plate 7, the inner side of the lower end of the supporting frame 1 is in rotary connection with a guide roller 10, the upper side of the inner side of the supporting frame 1 is fixedly connected with a fixed frame 11, the inner side of the fixed frame 11 is in rotary connection with a guide clamping roller 12, the outer end of the sliding plate 2 is fixedly connected with a motor 13, the output shaft of the motor 13 is fixedly connected with the transmission shaft lever 3, the upper side of the sliding rod 6 is slidingly connected with the limiting ring 14, the limiting ring 14 is slidingly connected with the fixed frame 11, the surface of the lower rod body of the sliding rod 6 is externally covered with the spring 15, the number of the guide wheels 4 is four, the guide wheels 4 are symmetrically arranged about the central axis of the bracket 1, when paper of the needle printer is conveyed, the paper can be conveyed by utilizing the functions of the guide wheels 4 and the guide rollers 10, and under the condition of inclining the paper, the guide wheel 4 on one side can slightly move upwards under the supporting function of the paper, so that the movable frame 5 can drive the sliding rod 6 to move upwards, the abutting plate 7 can be connected with the triggering plate 9, the guide wheels 4 which are firstly contacted with the paper can stop rotating under the control action of the control circuit board 8, and the conveying of one end of the protruding paper can be stopped, and the paper at the back end can be continuously conveyed, and after the two ends of the paper are respectively contacted with the guide and conveying wheels 4 at the left side and the right side, the guide and conveying wheels 4 can be simultaneously rotated, so that the automatic deviation correcting treatment of the paper is realized.

Referring to fig. 1-3, an adjusting screw 16 is spirally connected to the inner side of the upper end of the movable frame 5, the adjusting screw 16 is rotatably connected to the supporting frame 1, a rotating block 17 is fixedly connected to the outer end of the adjusting screw 16, a limit protruding strip 18 is fixedly connected to the outer side of the transmission shaft 3, the limit protruding strip 18 is slidably connected to the guide wheel 4, a limit chute is formed in the outer side of the upper side wall of the fixed frame 11, the width of the limit chute corresponds to the diameter of the sliding rod 6, the sliding rod 6 is slidably connected to the fixed frame 11, the adjusting screw 16 can be rotated by rotating the rotating block 17, so that the set movable frame 5 can be moved, the guide wheel 4 can be adjusted at the edge position according to the width of paper, the outer side wall of the movable frame 5 can be subjected to edge limit processing on the paper, the paper is conveyed more regularly, the guide wheel 4 can rotate along with the rotation and can translate left and right through the effect of the limit protruding strip 18, and the adaptive device can be adjusted according to the width of the paper.

The working flow is as follows: the device adopts external power supply to supply power when using, when carrying the paper of needle printer, utilize the effect of guide wheel 4 and guide roller 10 to can carry the paper, and can make the guide wheel 4 of one side slightly upwards move under the supporting role of paper under the circumstances of paper slope, thereby make movable frame 5 can drive slide bar 6 upwards move, so that conflict board 7 can be connected with trigger plate 9, and then make the guide wheel 4 at first with the paper contact can stop rotating under the control effect of control circuit board 8, thereby stop the transport of the outstanding one end of paper, and make the paper of falling the rear end can continue to carry, and can make guide wheel 4 rotate simultaneously after the guide wheel 4 contact of left and right sides respectively at paper both ends, realize the automatic correction processing to the paper, and utilize the rotation to adjusting screw rod 17's rotation make adjusting screw 16 can rotate, thereby make movable frame 5 that sets up can move, and make guide wheel 4 can carry out edge position department adjustment according to the width of paper, and make movable frame 5's outside wall can carry out edge regulation under the control effect of control circuit board 8, and make the paper of falling behind end can make the guide wheel 4 rotate simultaneously, realize the automatic correction processing to the paper, and can not adjust the paper through the limit device of adjusting, can be adjusted according to the width of the edge regulation has been adjusted to the paper.

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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Paper deviation correcting mechanism of needle printer, including strut (1), guide roll (10) and mount (11), its characterized in that: the side wall inboard sliding connection of strut (1) has sliding plate (2), the inboard downside of sliding plate (2) rotates and is connected with transmission axostylus axostyle (3), the outside sliding connection of transmission axostylus axostyle (3) has guide and send round (4), the outside of guide and send round (4) rotates and is connected with movable frame (5), the upper end fixedly connected with slide bar (6) of movable frame (5), the upper end fixedly connected with conflict board (7) of slide bar (6), the inboard fixedly connected with control circuit board (8) of upper end of strut (1), the lower extreme electric connection of control circuit board (8) has trigger plate (9), electric connection between trigger plate (9) and conflict board (7).

2. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the inner side of the lower end of the support frame (1) is rotationally connected with a guide roller (10), the upper side of the inside of the support frame (1) is fixedly connected with a fixing frame (11), and the lower end of the inner side of the fixing frame (11) is rotationally connected with a guide clamping roller (12).

3. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the outer end of the sliding plate (2) is fixedly connected with a motor (13), and an output shaft of the motor (13) is fixedly connected with the transmission shaft lever (3).

4. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the upper side of the sliding rod (6) is slidingly connected with a limiting ring (14), the limiting ring (14) is slidingly connected with the fixing frame (11), and the surface of the lower rod body of the sliding rod (6) is externally covered with a spring (15).

5. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the inner side of the upper end of the movable frame (5) is spirally connected with an adjusting screw (16), the adjusting screw (16) is rotationally connected with the supporting frame (1), and the outer end of the adjusting screw (16) is fixedly connected with a rotating block (17).

6. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the outside fixedly connected with spacing sand grip (18) of transmission axostylus axostyle (3), sliding connection between spacing sand grip (18) and guide wheel (4).

7. The paper deviation rectifying mechanism of a needle printer according to claim 1, wherein: the number of the guide wheels (4) is four, and the guide wheels (4) are symmetrically arranged about the central axis of the supporting frame (1).

8. The paper deviation rectifying mechanism of a needle printer according to claim 2, wherein: the upper side wall outside of mount (11) has seted up spacing spout, the width of spacing spout corresponds with the diameter of slide bar (6), sliding connection between slide bar (6) and mount (11).