CN215590296U

CN215590296U - Scroll cutting structure and printer of printer

Info

Publication number: CN215590296U
Application number: CN202121786590.7U
Authority: CN
Inventors: 邱明儒
Original assignee: Shenzhen Waterward Information Co Ltd
Current assignee: Shenzhen Waterward Information Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-21
Anticipated expiration: 2031-08-02

Abstract

The application discloses a paper roll cutting structure of a printer and the printer, wherein a guide structure is arranged on a rear cover and extends along the length direction of a paper outlet; the paper outlet is arranged in the paper outlet, and the paper outlet is provided with a paper outlet; according to the paper roll cutting structure of the printer and the printer, the cutter assembly can be slidably arranged in the guide structure, the cutter is matched with the paper outlet, printing paper in the paper outlet is cut when the cutter assembly slides along the working direction, and the cut surface has the advantages of being level and tidy.

Description

Scroll cutting structure and printer of printer

Technical Field

The utility model relates to the field of printers, in particular to a paper roll cutting structure of a printer and the printer.

Background

Install the scroll in the printer, printing paper exposes in the exit slot when printing after accomplishing, and general setting is the cockscomb structure for exit slot one side, and the user utilizes the exit slot to tear printing paper. In the process of tearing the printing paper, irregular fractures are formed on the printing paper, so that the user experience of the printer is affected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a paper roll cutting structure of a printer and the printer, and aims to solve the problem that a user tears off printing paper by using a paper outlet, and the printing paper is easy to form an irregular fracture.

In order to achieve the above object, the present invention provides a paper roll cutting structure of a printer, the printer including a rear cover having a paper outlet, the paper roll cutting structure including:

the guide structure is arranged on the rear cover and extends along the length direction of the paper outlet;

cut-off knife subassembly, including the slider and install in the cut-off knife of slider, slider slidable ground set up in among the guide structure, the cut-off knife with the exit slot matches the setting, wherein, the cut-off knife subassembly will when sliding along the direction of operation the intraoral beat printing paper of exit slot is decided.

Further, the guide structure includes:

the first side fixing seat is arranged at one end of the inner side surface of the rear cover in the width direction;

the second side fixing seat is arranged at the other end of the inner side surface of the rear cover in the width direction;

the guide shaft is arranged between the first side fixing seat and the second side fixing seat and is arranged along the paper outlet, and the sliding block is slidably arranged on the guide shaft.

Further, the rear cover is provided with a through groove extending along the length direction of the paper outlet, the cut-off knife assembly further comprises an operating button, and the operating button penetrates through the through groove and is connected with the sliding block.

Furthermore, an anti-skid structure is arranged on one surface, far away from the sliding block, of the operating button.

Further, the rear cover is provided with a magnetic member at a starting point of the working direction of the cutter assembly, and the magnetic member is used for attracting the cutter assembly.

Further, the guide shaft is a screw rod, an internal thread is arranged on the surface, matched with the screw rod, of the sliding block, a gear is arranged on the screw rod, and when the gear is driven, the cutter assembly slides on the screw rod.

Furthermore, at least one elastic piece is arranged between the sliding block and the cutter, and the elastic piece presses the cutter towards the inner side surface direction of the rear cover.

Furthermore, the first side fixed seat is a first cylindrical structure connected with the side wall of one side of the rear cover,

the second side fixing seat is connected with a second tubular structure of the side wall of the other side of the rear cover and used for clamping the guide shaft, wherein the second tubular structure deviates from one side of the rear cover and is provided with a notch extending along the length direction of the second tubular structure, and the notch is used for guiding the shaft to enter the second side fixing seat.

Further, the device also comprises a blade;

the blade is fixed in the medial surface of back lid, the blade is followed the length direction of exit slot extends, just the blade with the cut-off knife is located respectively exit slot width direction's both sides, the cut-off knife subassembly when sliding along the working direction will with the blade together cuts printing paper.

The utility model also provides a printer, which comprises the paper roll cutting structure of the printer.

According to the paper roll cutting structure of the printer and the printer, the cutter assembly can be slidably arranged in the guide structure, the cutter is matched with the paper outlet, printing paper in the paper outlet is cut when the cutter assembly slides along the working direction, and the cut surface has the advantages of being level and tidy.

Drawings

FIG. 1 is a paper roll cutting configuration (back view) of a printer according to one embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a paper roll cutting configuration (side view) of the printer according to one embodiment of the present invention;

fig. 4 is an enlarged view of the portion B of fig. 3 according to the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1 to 4, in an embodiment of the present invention, a paper roll cutting structure of a printer is provided, the printer includes a rear cover 100, the rear cover 100 has a paper outlet 110, and the paper roll cutting structure includes:

a guide structure disposed on the rear cover 100 and extending along a length direction of the paper discharge port 110;

cut-off knife subassembly 500, including slider 510 and install in the cut-off knife 520 of slider 510, slider 510 slidable set up in among the guide structure, cut-off knife 520 with exit slot 110 matches the setting, wherein, when cut-off knife subassembly 500 slides along the direction of operation will beat printing paper in exit slot 110 and decide.

The printer is provided with a paper roll, and when the printed printing paper is exposed to the paper outlet 110, the paper outlet 110 is generally arranged to have a saw-tooth shape, so that a user can tear the printing paper through the paper outlet 110. In the process of tearing the printing paper, irregular fractures are formed on the printing paper, so that the user experience of the printer is affected. In this embodiment, the cutting knife assembly 500 is slidably disposed in the guiding structure, the cutting knife 520 is disposed in a matching manner with the paper outlet 110, and the printing paper in the paper outlet 110 is cut off when the cutting knife assembly 500 slides along the working direction. The guide structure may be a guide groove formed in the rear cover 100 or a guide shaft coupled to the rear cover 100. The working direction is a direction in which the printing paper can be cut. The cutter assembly 500 is at the start point prior to preparation for use; the cutter assembly 500 moves from the starting point to the ending point when in use; the cutter assembly 500 may be retracted to the starting point after use for the next use. The cutter assembly 500 is driven manually or mechanically (screw drive, etc.).

In one embodiment, the guide structure comprises:

a first side fixing seat 200 disposed at one end of the rear cover 100 in the width direction of the inner side surface;

a second side fixing base 300 disposed at the other end of the rear cover 100 in the width direction of the inner side surface;

a guide shaft disposed between the first side fixing base 200 and the second side fixing base 300, the guide shaft being disposed along the paper outlet 110, wherein the slider 510 is slidably disposed on the guide shaft.

The guide shaft has simple structure and is convenient to disassemble, assemble and replace. The sliding of the cutter assembly 500 on the guide shaft is smooth.

In one embodiment, the rear cover 100 is provided with a through slot 120 extending along the length direction of the paper output port 110, and the cutting knife assembly 500 further includes an operation button 530, wherein the operation button 530 penetrates through the through slot 120 to be connected with the slider 510.

Manually driving the cutter assembly 500 by operating the operation knob 530 at the outside of the printer has the advantages of simplicity and reliability. Specifically, in operation, the user pushes the operation button 530 to push the cutter assembly 500 to the starting point; the printing function may then be activated, and the printing paper is discharged from the paper outlet 110; after the printing is completed, the user pushes the cutter assembly 500 from the starting point to the ending point by pushing the operation button 530, and at this time, the cutting of the printing paper is completed; after the use of the cutter assembly 500 is completed, the user can retract the cutter assembly 500 to the starting point for the next use by operating the knob 530.

In one embodiment, a surface of the operation knob 530 remote from the slider 510 is provided with an anti-slip structure.

The anti-slip structure facilitates the operation of the operation button 530 by the user, and avoids the slipping phenomenon. The anti-slip structure may be a convex or concave pattern on the operation knob 530.

In one embodiment, the rear cover 100 is provided with a magnetic member at the start of the working direction of the cutter assembly 500, the magnetic member being used to attract the cutter assembly 500.

Since the cutter assembly 500 should be at the beginning before it is ready for use, otherwise the normal paper exit process is blocked on the one hand; on the other hand, the cutter assembly 500 cannot cut the printing paper normally. When the paper roll cutting structure of the printer is operated, the cutter assembly 500 is retracted to the starting point of the working direction, and the magnetic member attracts the cutter assembly 500. Specifically, when the slider 510 is made of a magnetic material (e.g., iron alloy), the magnetic member can directly attract the cutter assembly 500; when the slider 510 is made of a non-magnetic material, an attraction member (e.g., a small iron-cast piece) that mates with the magnetic member needs to be fixed to the cutter assembly 500.

In one embodiment, the guide shaft is a screw rod 400, an internal thread is provided on a surface of the slider 510 matching with the screw rod 400, a gear is provided on the screw rod 400, and when the gear is driven, the cutter assembly 500 slides on the screw rod 400.

In this embodiment, a driving motor is provided in the printer, the driving motor is used for driving the gear, and the slider 510, the lead screw 400 gear and the driving motor together form a set of lead screw transmission structure, thereby realizing automatic control of the cutter assembly 500. In a normal screw driving structure, in order to make the moving portion on the screw linearly move, rather than rotate together with the screw, the rotation of the moving portion needs to be restricted. In one operation of the present embodiment, the rotation of the slider 510 may be limited by the rear cover 100, so as to realize the linear movement of the slider 510 along the screw rod 400; or a restricting shaft is fixed along the width direction of the rear cover 100, and the slider 510 moves along the lead screw 400 and the restricting shaft simultaneously, and the restricting shaft blocks the rotation of the slider 510, thereby realizing the linear movement of the slider 510 along the lead screw 400. The cutter assembly 500 is at the start point prior to preparation for use; when the cutter assembly 500 is used, the driving motor drives the screw rod 400 to rotate, so that the cutter assembly 500 moves from the starting point to the end point along the screw rod 400; after the use of the cutter assembly 500 is completed, the driving motor drives the screw rod 400 to rotate in the reverse direction, so that the cutter assembly 500 moves along the screw rod 400 from the end point to the start point for the next use.

In one embodiment, at least one elastic member is disposed between the slider 510 and the cutter 520, and the elastic member presses the cutter 520 toward the inner side of the rear cover 100.

The elastic member presses the cutter 520 so that the cutter 520 can be closely attached to the rear cover 100, and thus the cutter 520 can provide a good cutting effect of the printer. The elastic member may be a disc spring or a coil spring. When the elastic member is a coil spring, and the cutter 520 is fixed to the slider 510 by a screw, the coil spring may be sleeved on the outer circumference of the screw, so that the coil spring is installed during the installation of the cutter 520.

In one embodiment, the elastic member is a disk spring, and a mounting groove is formed in a surface of the slider 510 facing the cutter 520, and the disk spring is disposed in the mounting groove.

The disk spring is thin, so that when the distance between the cutter 520 and the slider 510 is small, the effect of pressing the cutter 520 to the inner side surface of the rear cover 100 can be well achieved, and the disk spring has the advantage of low cost.

In one embodiment, the first side fixing base 200 is a first cylindrical structure connected to a side wall of one side of the rear cover 100;

second side fixing base 300 is for connecting in the second tubular structure of the lateral wall of back lid 100 opposite side, and is used for the centre gripping the guide shaft, wherein, second tubular structure is deviating from one side of back lid 100 just has the breach of extending along its self length direction, the breach is used for the guide shaft to be gone into to be located second side fixing base 300.

The first cylindrical structure and the second cylindrical structure have the characteristics of simple structure and convenience in processing. Specifically, in the process of installing the guide shaft, one end of the guide shaft is inserted into the first cylindrical structure, and then the guide shaft is pressed into the second cylindrical structure through the notch.

In one embodiment, the paper roll cutting structure of the printer further comprises a blade;

the blade is fixed in the medial surface of back lid 100, the blade is followed the length direction of exit slot 110 extends, just the blade with cut-off knife 520 is located respectively exit slot 110 width direction's both sides, cut-off knife subassembly 500 when sliding along the working direction with the blade together cuts printing paper.

When only the cutter 520 is present but not the blade, the cutter 520 acts together with the rear cover 100 to cut the printing paper, and the cutter 520 easily breaks the rear cover 100 in the above process. In the embodiment, the cutter 520 moves along the length direction of the paper output 110, that is, along the length direction of the blade, and in the movement process of the cutter 520, the cutter 520 cuts the printing paper together with the blade, so that the cutter 520 does not damage the rear cover 100.

The printer can cut off printing paper well, and is convenient to use.

In summary, according to the paper roll cutting structure of the printer and the printer provided by the utility model, the cutter assembly 500 is slidably disposed in the guide structure, the cutter 520 is disposed in a manner matching with the paper outlet 110, the cutting paper in the paper outlet 110 is cut when the cutter assembly 500 slides along the working direction, and the cut surface has the advantages of being level and neat.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a scroll of printer cuts structure, the printer includes the back lid, the back is covered and is had the exit slot, a serial communication port, the scroll cuts the structure and includes:

2. The paper roll cutting structure for a printer according to claim 1, wherein said guide structure comprises:

3. The paper roll cutting structure for printer according to claim 2, wherein said rear cover has a through slot extending along the length direction of said paper outlet, said cutter assembly further comprises an operation button, said operation button passes through said through slot and is connected with said slider.

4. The paper roll cutting structure for printer according to claim 3, wherein a side of said operation knob away from said slider is provided with an anti-slip structure.

5. The paper roll cutting structure for a printer according to claim 3, wherein said rear cover is provided with a magnetic member at a start point of a working direction of said cutter assembly, said magnetic member being for attracting said cutter assembly.

6. The paper roll cutting structure of a printer according to claim 2, wherein the guide shaft is a screw rod, an internal thread is provided on a surface of the slider matching with the screw rod, a gear is provided on the screw rod, and when the gear is driven, the cutter assembly slides on the screw rod.

7. The paper roll cutting structure for a printer according to any one of claims 1 to 6, wherein at least one elastic member is provided between said slider and said cutter, said elastic member pressing said cutter toward an inner side surface of said rear cover.

8. The paper roll cutting structure for printer according to any one of claims 2 to 6, wherein said first side fixing base is a first cylindrical structure connected to a side wall of one side of said rear cover,

9. The paper roll cutting structure for a printer according to any one of claims 1 to 6, further comprising a blade;

10. A printer comprising a paper roll cutting structure of a printer according to any one of claims 1 to 9.