CN220475833U

CN220475833U - Paper alignment mechanism of document scanner

Info

Publication number: CN220475833U
Application number: CN202420072179.0U
Authority: CN
Inventors: 田传新
Original assignee: Weifang Yanxiang Instrumentation Technology Co ltd
Current assignee: Weifang Yanxiang Instrumentation Technology Co ltd
Priority date: 2024-01-12
Filing date: 2024-01-12
Publication date: 2024-02-09
Anticipated expiration: 2034-01-12

Abstract

The utility model relates to the technical field of document scanning auxiliary equipment and discloses a paper alignment mechanism of a document scanner, which comprises a fixed frame, wherein limit grooves which are vertically symmetrical are formed in the fixed frame, one side of the outer wall of the fixed frame is fixedly connected with a fixed shell, the inside of the fixed shell is rotatably connected with an adjusting handle, the outer wall of the adjusting handle is fixedly connected with a gear, rack plates which are vertically symmetrical are slidingly connected in the fixed frame, and one side of the outer wall of each rack plate is slidingly connected with the inner wall of each limit groove. According to the utility model, the rack plate slides on the inner wall of the limit groove through rotating the gear, so that the limit roller is regulated according to the size of the document paper, the pointer is driven to slide on one side of the graduated scale by the movement of the rack plate, the identification according to the size of the document paper is facilitated, the fixing frame is lifted through rotating the regulating screw rod, the regulation according to the thickness of the paper while stabilizing the fixing frame is realized, and the paper alignment efficiency and the functionality of the alignment mechanism are improved.

Description

Paper alignment mechanism of document scanner

Technical Field

The utility model relates to the technical field of document scanning auxiliary equipment, in particular to a paper alignment mechanism of a document scanner.

Background

A document scanner is a device for converting paper documents or images into a digital format. It captures images on paper through an optical sensor or camera and converts them into digital data for storage, editing and sharing on a computer or other digital device. The paper alignment mechanism is an important part of a document scanner and is primarily used to ensure that the paper is accurately and neatly positioned and aligned during scanning

The search is carried out on the bulletin number: CN209897140U discloses a paper alignment mechanism of a document scanner, which comprises a frame body, wherein a rectangular cavity for accommodating paper is arranged in the frame body, one side in the frame body is rotationally connected with a pressing component for pressing the paper, the surface of the frame body is provided with a pressing component for pressing paper wrinkles, the pressing component comprises a pressing plate for pressing the paper, one end of the pressing plate extends into the rectangular cavity, two ends of the pressing plate are fixedly connected with rotating shafts for rotationally connecting the pressing plate with the frame body, and a torsion spring for providing torsion for the pressing plate to press the paper is clamped between the rotating shafts and the frame body; the trowelling assembly comprises two sliding plates which are fixedly arranged on two sides of the frame body in a parallel state, and a compression roller capable of reciprocating along the length direction of the sliding plates is arranged between the two sliding plates. According to the utility model, when a document is scanned, the folds of the paper can be smoothed, and the paper is kept in a tensioning state after the paper is smoothed, so that the document scanning is facilitated, and although the paper is successfully smoothed through the structures of the torsion spring, the sliding plate, the pressing roller and the like, after the paper is smoothed, the functions of adjusting and fixing according to the paper size are lacked due to the difference of the paper sizes. This may cause a problem that the sheet cannot be maintained in a flat state, thereby causing inaccuracy in scanned document data.

Disclosure of Invention

In order to make up for the defects, the utility model provides a paper alignment mechanism of a document scanner, which aims to solve the problem that inaccurate scanned document data is caused by incapability of adjusting alignment according to paper sizes in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a paper alignment mechanism of document scanner, includes the fixed frame, the spacing groove of vertical symmetry has been seted up to the inside fixed frame, fixed frame outer wall one side fixedly connected with fixed shell, the inside rotation of fixed shell is connected with the regulation handle, regulation handle outer wall fixedly connected with gear, the inside sliding connection of fixed frame has the rack board of vertical symmetry, two rack board outer wall one side sliding connection is in spacing inslot wall, rack board outer wall opposite side fixedly connected with pointer, two rack board tooth end and gear tooth end meshing are connected, rack board outer wall one side fixedly connected with sliding plate, sliding plate outer wall one side sliding connection is in fixed frame inner wall, sliding plate outer wall opposite side rotation is connected with the limiting roller, the fixed frame outer wall is provided with adjusting part, fixed frame upper surface fixedly connected with two scales of symmetry.

Through above-mentioned technical scheme, through the rack board motion of rotation gear with its meshing, and then make the pointer slide in scale one side through the motion of rack board, realized adjusting and aligning the effect of paper according to different sizes paper size.

Further, the adjusting component comprises a fixed block, one side of the outer wall of the fixed block is fixedly connected with the outer wall of the fixed frame, an adjusting screw I is connected with the inner thread of the fixed block, and a supporting seat is connected to the lower surface of the adjusting screw in a rotating mode.

Through the technical scheme, the effect of adjusting according to the thickness of the paper is achieved.

Further, two fixed surface is connected with the arc limiting plate on the scale, two equal rotation of scale inner wall is connected with the alignment jig, alignment jig outer wall sliding connection is in arc limiting plate outer wall one side.

Through the technical scheme, the effect of being convenient for limit the regulating frame is achieved.

Further, the other side of the outer wall of the adjusting frame is rotationally connected with a rotating plate, and the inner part of the rotating plate is rotationally connected with a leveling roller.

Through the technical scheme, the effect of leveling paper is achieved.

Further, dead lever one is fixedly connected with to the regulating frame outer wall opposite side, dead lever one outer wall is provided with a plurality of reset springs, and a plurality of reset springs one side is provided with dead lever two, dead lever two both ends are all fixedly connected in the rotor plate inner wall.

Through the technical scheme, the effect of driving the leveling roller to continuously level paper is achieved.

Further, the first outer wall of the fixed rod is rotationally connected with a plurality of telescopic rods, and one ends of the telescopic rods are rotationally connected with the second outer wall of the fixed rod.

Through the technical scheme, the auxiliary return spring is achieved, and the return spring is prevented from being bent.

Further, the inside fixedly connected with connecting rod of alignment jig, the inside threaded connection of connecting rod has accommodate the second lead screw, accommodate second outer wall one side sliding connection of lead screw is in arc limiting plate outer wall.

Through the technical scheme, the effect of stabilizing the adjusting frame is achieved.

Further, fixed handle is fixedly connected with one side of the outer wall of the adjusting frame, and anti-skid sleeves are fixedly connected with the middle part of the outer wall of the fixed handle.

Through the technical scheme, the effect of being convenient for a user to grasp is achieved.

The utility model has the following beneficial effects:

1. according to the utility model, the rack plate slides on the inner wall of the limit groove through rotating the gear, so that the limit roller is regulated according to the size of the document paper, the pointer is driven to slide on one side of the graduated scale by the movement of the rack plate, the identification according to the size of the document paper is facilitated, the fixed frame is lifted through rotating the regulating screw rod, the regulation according to the thickness of the paper while stabilizing the fixed frame is realized, the problem that the regulation according to the size of the paper cannot be realized in the prior art is solved, and the paper alignment efficiency and the functionality of the alignment mechanism are improved.

2. According to the utility model, the connecting rod slides on the inner wall of the arc-shaped limiting plate by pressing the fixed handle, so that the effective contact between the leveling roller and paper is realized, the paper is leveled and wrinkles are removed, the sliding of the leveling roller causes the action of the stretching reset spring, the leveling roller is conveniently and quickly reset by the synergistic action of the reset spring and the telescopic rod, the paper is continuously leveled, the second adjusting screw rod is rotated to lock, the adjusting frame is stabilized, the problem of poor continuity of the leveled paper is solved, the document scanning speed is improved, and the attractiveness of scanned documents is ensured.

Drawings

FIG. 1 is a perspective view of a sheet alignment mechanism of a document scanner according to the present utility model;

FIG. 2 is a fragmentary view of a stationary housing of a paper alignment mechanism of a document scanner according to the present utility model;

fig. 3 is a two-split view of an adjusting screw of a paper alignment mechanism of a document scanner according to the present utility model.

Legend description:

1. a fixed frame; 2. a limit groove; 3. a fixed case; 4. adjusting the handle; 5. a gear; 6. rack plate; 7. a pointer; 8. a limit roller; 9. a sliding plate; 1001. a fixed block; 1002. an adjusting screw rod I; 1003. a support base; 11. a graduated scale; 12. an arc limiting plate; 13. an adjusting frame; 14. a first fixed rod; 15. a rotating plate; 16. leveling rollers; 17. a return spring; 18. a second fixing rod; 19. a telescopic rod; 20. a connecting rod; 21. an adjusting screw rod II; 22. a fixed handle; 23. an anti-skid sleeve.

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. 1-3, one embodiment provided by the present utility model is: the utility model provides a paper alignment mechanism of document scanner, including fixed frame 1, fixed frame 1 inside has seted up the spacing groove 2 of upper and lower symmetry, fixed frame 1 outer wall one side fixedly connected with fixed shell 3, fixed shell 3 inside rotates and is connected with adjustment handle 4, adjustment handle 4 outer wall fixedly connected with gear 5, fixed frame 1 inside sliding connection has rack board 6 of upper and lower symmetry, two rack board 6 outer wall one side sliding connection is at spacing groove 2 inner wall, rack board 6 outer wall opposite side fixedly connected with pointer 7, two rack board 6 tooth end and gear 5 tooth end meshing are connected, rack board 6 outer wall one side fixedly connected with sliding plate 9, sliding plate 9 outer wall one side sliding connection is at fixed frame 1 inner wall, sliding plate 9 outer wall opposite side rotation is connected with spacing roller 8, fixed frame 1 outer wall is provided with adjusting part, fixed frame 1 upper surface fixedly connected with two scale 11 of symmetry; the adjusting assembly comprises a fixed block 1001, one side of the outer wall of the fixed block 1001 is fixedly connected to the outer wall of the fixed frame 1, an adjusting screw rod I1002 is connected to the inside of the fixed block 1001 in a threaded mode, and a supporting seat 1003 is connected to the lower surface of the adjusting screw rod I1002 in a rotating mode;

specifically, make through rotating gear 5 and rack board 6 meshing rotation, thereby reached the effect that the spacing roller 8 of drive rack board 6 outer wall moves inside fixed frame 1, carry out spacing support through the motion of fixed shell 3 to rack board 6, the motion of rethread rack board 6 makes pointer 7 slide in scale 11 one side, thereby reached the effect of adjusting stable paper according to different size paper size, the effect of spacing is carried out to the motion of pointer 7 through spacing groove 2, make the fixed frame 1 of promotion go up and down through rotating adjusting screw one 1002 this moment, thereby reached and driven spacing roller 8 and gone up and down, and then the effect of adjusting according to the paper thickness when being convenient for realize stable fixed frame 1.

Referring to fig. 1 and 3, the upper surfaces of two graduated scales 11 are fixedly connected with an arc limiting plate 12, the inner walls of the two graduated scales 11 are both rotationally connected with an adjusting frame 13, and the outer wall of the adjusting frame 13 is slidably connected with one side of the outer wall of the arc limiting plate 12; the other side of the outer wall of the adjusting frame 13 is rotationally connected with a rotating plate 15, and a leveling roller 16 is rotationally connected inside the rotating plate 15;

specifically, the rotating plate 15 is driven to descend through the adjusting frame 13, so that the leveling roller 16 is driven to contact with the paper, and the leveling roller 16 slides on the outer wall of the paper, so that the effect of leveling the paper and facilitating scanning is achieved.

Referring to fig. 1 and 3, a first fixing rod 14 is fixedly connected to the other side of the outer wall of the adjusting frame 13, a plurality of return springs 17 are arranged on the outer wall of the first fixing rod 14, a second fixing rod 18 is arranged on one side of the plurality of return springs 17, and two ends of the second fixing rod 18 are fixedly connected to the inner wall of the rotating plate 15; the outer wall of the first fixed rod 14 is rotatably connected with a plurality of telescopic rods 19, and one ends of the telescopic rods 19 are rotatably connected with the outer wall of the second fixed rod 18;

specifically, the rotating plate 15 is driven to move through the sliding of the leveling roller 16, so that the effect of stretching the reset spring 17 to enable the reset spring to receive pressure is achieved, the effect of driving the leveling roller 16 to reset rapidly is achieved through the elasticity of the reset spring 17, the effect of driving the leveling roller 16 to perform leveling operation is achieved through the pressure receiving and releasing of the reset spring 17, and the telescopic rod 19 is driven to stretch through the rotating plate 15, so that the effect of assisting the reset spring 17 to retract and release is achieved.

Referring to fig. 3, a connecting rod 20 is fixedly connected inside the adjusting frame 13, an adjusting screw rod II 21 is connected inside the connecting rod 20 in a threaded manner, and one side of the outer wall of the adjusting screw rod II 21 is connected with the outer wall of the arc-shaped limiting plate 12 in a sliding manner; a fixed handle 22 is fixedly connected to one side of the outer wall of the adjusting frame 13, and an anti-slip sleeve 23 is fixedly connected to the middle part of the outer wall of the fixed handle 22;

specifically, the fixed handle 22 is pulled through the handheld anti-slip sleeve 23, the effect of preventing the hand from slipping off and falling off the fixed handle 22 is achieved, and the second rotary adjusting screw 21 abuts against the outer wall of the arc-shaped limiting plate 12, so that the effect of preventing the locking adjusting frame 13 from falling off is achieved.

Working principle: when needs carry out scanning work to paper, through placing fixed frame 1 at the scanner upper surface, through placing the paper between fixed frame 1, through rotating adjusting screw one 1002 this moment, thereby reached the effect that drives fixed frame 1 and go up and down, go up and down through fixed frame 1, thereby reach and drive spacing roller 8 and go up and down, and then the effect of carrying out height-adjusting according to paper thickness when having realized stable fixed frame 1, rethread user is through holding antiskid cover 23 pulling fixed handle 22, push down the work, the regulating frame 13 can drive the rotor plate 15 and descend this moment, thereby reached the effect that drives the contact paper of leveling roller 16 and carry out the slip, simultaneously can drive rotor plate 15 outwards expand through the slip of leveling roller 16, thereby reach the effect of tensile reset spring 17, simultaneously through reset spring 17's reaction force, thereby reached the effect that drives leveling roller 16 and carry out reciprocal leveling work at the paper outer wall, rethread rotates adjusting handle 4, thereby reached the effect that drives gear 5 and plate 6 meshing rotation, the motion through tooth 6, thereby it is reached and drive pointer 7 and is slided in one side of scale 11 to make the effect that the different sizes are adjusted to paper according to different sizes.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A sheet alignment mechanism of a document scanner, comprising a fixed frame (1), characterized in that: the utility model discloses a fixed frame, including fixed frame (1), fixed frame (1) outer wall one side fixedly connected with fixed shell (3), fixed shell (3) inside rotation is connected with adjusts handle (4), adjust handle (4) outer wall fixedly connected with gear (5), fixed frame (1) inside sliding connection has rack board (6) of upper and lower symmetry, two rack board (6) outer wall one side sliding connection is in spacing groove (2) inner wall, rack board (6) outer wall opposite side fixedly connected with pointer (7), two rack board (6) tooth end and gear (5) tooth end meshing are connected, rack board (6) outer wall one side fixedly connected with sliding plate (9), sliding plate (9) outer wall one side sliding connection is in fixed frame (1) inner wall, sliding plate (9) outer wall opposite side rotation is connected with spacing roller (8), fixed frame (1) outer wall is provided with adjusting part, two scales (11) of fixed frame (1) upper surface fixedly connected with relative scale.

2. The sheet alignment mechanism of a document scanner as defined in claim 1 wherein: the adjusting component comprises a fixed block (1001), one side of the outer wall of the fixed block (1001) is fixedly connected with the outer wall of the fixed frame (1), an adjusting screw (1002) is connected with the inner thread of the fixed block (1001), and a supporting seat (1003) is rotatably connected with the lower surface of the adjusting screw (1002).

3. The sheet alignment mechanism of a document scanner as defined in claim 2 wherein: the two scale (11) upper surface fixedly connected with arc limiting plate (12), two scale (11) inner wall all rotates and is connected with alignment jig (13), alignment jig (13) outer wall sliding connection is in arc limiting plate (12) outer wall one side.

4. A sheet alignment mechanism for a document scanner as set forth in claim 3 wherein: the other side of the outer wall of the adjusting frame (13) is rotationally connected with a rotating plate (15), and a leveling roller (16) is rotationally connected inside the rotating plate (15).

5. A sheet alignment mechanism for a document scanner as defined in claim 4 wherein: the adjusting frame is characterized in that a fixing rod I (14) is fixedly connected to the other side of the outer wall of the adjusting frame (13), a plurality of reset springs (17) are arranged on the outer wall of the fixing rod I (14), a fixing rod II (18) is arranged on one side of each reset spring (17), and two ends of the fixing rod II (18) are fixedly connected to the inner wall of the rotating plate (15).

6. A sheet alignment mechanism for a document scanner as defined in claim 5 wherein: the outer wall of the first fixed rod (14) is rotationally connected with a plurality of telescopic rods (19), and one ends of the telescopic rods (19) are rotationally connected with the outer wall of the second fixed rod (18).

7. The document scanner paper alignment mechanism according to claim 6, wherein: the adjusting rack (13) is internally fixedly connected with a connecting rod (20), an adjusting screw rod II (21) is connected with the connecting rod (20) in a threaded mode, and one side of the outer wall of the adjusting screw rod II (21) is slidably connected with the outer wall of the arc-shaped limiting plate (12).

8. The document scanner paper alignment mechanism according to claim 7, wherein: one side of the outer wall of the adjusting frame (13) is fixedly connected with a fixed handle (22), and the middle part of the outer wall of the fixed handle (22) is fixedly connected with an anti-slip sleeve (23).