CN110790050B

CN110790050B - Thermal printer scroll receiving mechanism

Info

Publication number: CN110790050B
Application number: CN201911241259.4A
Authority: CN
Inventors: 陈应波
Original assignee: Suzhou Dongna Electronic Technology Co ltd
Current assignee: Suzhou Dongna Electronic Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2021-09-21
Anticipated expiration: 2039-12-06
Also published as: CN110790050A

Abstract

The invention discloses a thermal printer paper roll storage mechanism which comprises a storage box and a paper roll outlet, wherein a sliding plate is movably arranged at one end of an inner cavity of the storage box, one side of the sliding plate and the middle part of the other end of the inner cavity of the storage box are rotatably connected with a connecting shaft through a bearing, two telescopic assemblies are arranged at one end of the storage box, an extrusion assembly is arranged on the side wall of the storage box, an air suction block is arranged on the side wall of the storage box above the paper roll outlet, an exhaust fan is embedded at the top of the other end of the storage box, and a rolling assembly facilitating sliding out of thermal printing paper rolls is rotatably arranged in the paper roll outlet. According to the invention, the sliding plate can move left and right under the action of the telescopic assembly through the sliding plate and the telescopic assembly, so that the connecting shafts on the sliding plate can also move left and right, people can conveniently install the thermal printing roll paper on the two connecting shafts, and the thermal printing roll paper is limited through the arrangement of the sliding plate, so that the thermal printing roll paper is prevented from shaking.

Description

Thermal printer scroll receiving mechanism

Technical Field

The invention relates to a storage mechanism, in particular to a thermal printer paper roll storage mechanism.

Background

Thermal paper is also called thermal facsimile paper, thermal recording paper, thermal transfer paper, and thermal transfer paper in taiwan. Thermal paper is a processed paper, and its manufacturing principle is that a layer of "thermal paint" (thermal discoloration layer) is coated on a high-quality base paper. Although the color-changing layer uses more than ten chemicals, at least the following compounds are available: leuco dyes, which are of a wide variety and most commonly are fluorescent compounds; the developer is less than 20%, and bisphenol and p-hydroxybenzoic acid are commonly used; the sensitizer accounts for less than 10 percent and contains benzene sulfonic acid amide compounds; fillers, typically calcium carbonate (microparticles), comprise up to about 50% by weight; less than about 10% of a binder, such as polyvinyl acetate; stabilizers, such as dibenzoyl terephthalate; lubricants, and the like. Therefore, the process difficulty is high, the technical requirement is high, and the accommodating mechanism refers to a mechanism for accommodating the paper roll of the thermal printer.

At present, when the existing thermal printer paper roll accommodating mechanism accommodates a thermal printer paper roll, the thermal printer paper roll is likely to shake in the accommodating mechanism, and the use is affected. Therefore, the thermal printer paper roll containing mechanism is improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a thermal printer paper roll containing mechanism.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a thermal printer paper roll containing mechanism, which comprises a containing box and a paper roll outlet, wherein the paper roll outlet is formed in the top of one side of an inner cavity of the containing box and used for discharging thermal printing paper rolls, a sliding plate is movably arranged at one end of the inner cavity of the containing box, one side of the sliding plate and the middle part of the other end of the inner cavity of the containing box are rotatably connected with connecting shafts through bearings, the two connecting shafts are symmetrically arranged, one end of the containing box is provided with two telescopic assemblies used for moving the sliding plate, the side wall of the containing box below the paper roll outlet is provided with an extrusion assembly used for extruding the thermal printing paper rolls, the side wall of the containing box above the paper roll outlet is provided with an air suction block used for sucking dust on the thermal printing paper rolls, the top of the other end of the containing box is embedded with an exhaust fan, the air inlet of the exhaust fan is communicated with the air suction block, and the paper roll outlet is rotatably provided with a rolling assembly convenient for the thermal printing paper rolls to slide out, the exhaust fan is electrically connected with a power supply of the thermal printer.

According to a preferable technical scheme of the invention, the extrusion assembly comprises an extrusion block and an extrusion spring, two ends of the extrusion spring are respectively and fixedly connected with the extrusion block and the containing box, and the front face of the extrusion block is opposite to the thermal printing roll paper.

As a preferred technical scheme of the invention, the extrusion assembly further comprises an extrusion rod, the extrusion spring is sleeved outside the extrusion rod, the extrusion rod is composed of a slide rod and a slide cylinder, the slide rod is slidably arranged in the slide cylinder, and the opposite ends of the slide rod and the slide cylinder are respectively fixedly connected with the extrusion block and the storage box.

As a preferable technical scheme of the invention, the front surface of the extrusion block is arranged in an arc shape, and a protection pad is fixedly bonded on the front surface of the extrusion block and is made of polypropylene.

As a preferred technical scheme, the telescopic assembly comprises a limiting telescopic rod and a limiting telescopic cylinder, the limiting telescopic cylinder is arranged on the containing box, one end of the limiting telescopic rod is movably arranged in the limiting telescopic cylinder, and the other end of the limiting telescopic rod is fixedly connected with the sliding plate.

As a preferred technical scheme of the invention, the telescopic assembly further comprises a telescopic spring, the telescopic spring is sleeved outside the limiting telescopic rod, and two ends of the telescopic spring are respectively and fixedly connected with the storage box and the sliding plate.

As a preferable technical solution of the present invention, the rolling assembly includes two rollers and two rollers, the two rollers are respectively and fixedly disposed at two ends of the roll paper outlet, the two rollers are respectively and rotatably disposed on the two rollers, and a gap is formed between the two rollers.

As a preferred technical scheme of the invention, the middle part of the bottom end of the air suction block is provided with an air inlet groove, the containing box is internally provided with an air inlet pipeline, two ends of the air inlet pipeline are respectively communicated with an air inlet of the exhaust fan and the air inlet groove, and the air inlet groove is opposite to the roll paper outlet.

As a preferable technical scheme of the invention, the bottom end of the sliding plate is movably embedded with a plurality of balls, the balls are distributed at equal intervals, and the bottom ends of the balls are contacted with the storage box.

As a preferable technical scheme of the invention, the front surface of the sliding plate is provided with a pull groove for moving the sliding plate, the pull groove is positioned at the top of the connecting shaft, and the cross section of the pull groove is in an inverted trapezoid shape.

The invention has the beneficial effects that:

1. this kind of thermal printer scroll receiving mechanism through slide and the flexible subassembly that is equipped with for the slide can cross the realization and remove about under flexible subassembly effect, thereby makes connecting axle on the slide also can realize removing about, makes things convenient for people to print the stock form with the heat-sensitive and installs on two connecting axles, and through the setting of slide, it is spacing to print the stock form to the heat-sensitive, prevents that the heat-sensitive printing stock form from rocking.

2. This kind of thermal printer scroll receiving mechanism through the air exhauster that is equipped with and the piece that induced drafts for people can siphon away the dust on the thermal printing stock form surface through the stock form export, avoids influencing the printing effect of thermal printing stock form.

3. This kind of thermal printer scroll receiving mechanism through the extrusion subassembly that is equipped with for the extrusion spring extrudees the extrusion piece, thereby makes the extrusion piece extrude the thermal-sensitive stock form, avoids the thermal-sensitive stock form to print when stopping using, and the thermal-sensitive stock form that prints continues to rotate, thereby causes the thermal-sensitive stock form that prints to relax.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a thermal printer paper roll receiving mechanism according to the present invention;

FIG. 2 is a schematic top view of a thermal printer paper roll receiving mechanism according to the present invention;

FIG. 3 is a schematic cross-sectional view of a thermal printer paper roll receiving mechanism according to the present invention;

FIG. 4 is a schematic view of an air suction block of a thermal printer paper roll receiving mechanism according to the present invention;

FIG. 5 is a schematic view of a slide plate structure of a thermal printer paper roll receiving mechanism according to the present invention;

FIG. 6 is a schematic view of a pressing assembly of a thermal printer paper roll receiving mechanism according to the present invention.

In the figure: 1. a storage box; 2. a slide plate; 3. a connecting shaft; 4. a roll paper outlet; 5. a rolling component; 501. a roller; 502. a drum; 6. an exhaust fan; 7. a wind suction block; 8. an extrusion assembly; 801. extruding the block; 8011. a protection pad; 802. an extrusion stem; 803. a compression spring; 9. A telescoping assembly; 901. limiting the telescopic rod; 902. a tension spring; 903. a limiting telescopic hole; 10. An air inlet groove; 11. a bearing; 12. a ball bearing; 13. and (6) groove drawing.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in figures 1, 2, 3, 4, 5 and 6, the invention relates to a thermal printer paper roll containing mechanism, which comprises a containing box 1 and a paper roll outlet 4 arranged at the top of one side of the inner cavity of the containing box 1 for discharging thermal printing paper roll, wherein one end of the inner cavity of the containing box 1 is movably provided with a sliding plate 2, one side of the sliding plate 2 and the middle part of the other end of the inner cavity of the containing box 1 are rotatably connected with a connecting shaft 3 through a bearing 11, the two connecting shafts 3 are symmetrically arranged, one end of the containing box 1 is provided with two telescopic assemblies 9 for moving the sliding plate 2, the side wall of the containing box 1 positioned below the paper roll outlet 4 is provided with an extrusion assembly 8 for extruding the thermal printing paper roll, the side wall of the containing box 1 positioned above the paper roll outlet 4 is provided with an air suction block 7 for sucking dust on the thermal printing paper roll, the top of the other end of the containing box 1 is embedded with an exhaust fan 6, the air inlet of the exhaust fan 6 is communicated with the air suction block 7, the rolling component 5 convenient for the roll paper to slide out of the thermal printing roll paper is rotationally arranged in the roll paper outlet 4, and the exhaust fan 6 is electrically connected with the power supply of the thermal printer.

Wherein, extrusion subassembly 8 includes extrusion piece 801 and extrusion spring 803, the both ends of extrusion spring 803 respectively with extrusion piece 801 and containing box 1 fixed connection, the front of extrusion piece 801 is just to the thermal-sensitive stock form of printing, through extrusion piece 801 and the extrusion spring 803 that are equipped with, extrusion spring 803 extrudees extrusion piece 801, thereby make extrusion piece 801 extrude the thermal-sensitive stock form of printing, avoid the thermal-sensitive stock form of printing when stopping using, the thermal-sensitive stock form of printing continues to rotate, thereby causes the thermal-sensitive stock form of printing lax.

Wherein, extrusion assembly 8 still includes extrusion stem 802, and extrusion spring 803 overlaps in the outside of extrusion stem 802, and extrusion stem 802 comprises slide bar and slide cartridge, and the slide bar slides and sets up in the slide cartridge, and the back of the body end of slide bar and slide cartridge respectively with stripper block 801 and containing box 1 fixed connection, through the extrusion stem 802 that is provided with for extrusion spring 803 overlaps on extrusion stem 802, avoids extrusion spring 803 to receive the influence of gravity, rocks from top to bottom.

The front face of the extrusion block 801 is in an arc-shaped arrangement, a protection pad 8011 is fixedly bonded to the front face of the extrusion block 801, the protection pad 8011 is made of polypropylene, and the front face of the extrusion block 801 is in an arc-shaped arrangement, so that the extrusion block 801 can be attached to the thermal printing roll paper more tightly, and the possibility that the extrusion block 801 damages the thermal printing roll paper is reduced through the protection pad 8011.

Wherein, flexible subassembly 9 includes spacing telescopic link 901 and spacing telescopic cylinder 903, and spacing telescopic cylinder 903 is seted up on containing box 1, and the one end activity of spacing telescopic link 901 sets up in spacing telescopic cylinder 903, and the other end and the slide 2 fixed connection of spacing telescopic link 901 are through spacing telescopic link 901 and the spacing telescopic cylinder 903 that are equipped with for spacing telescopic link 901 can be in the activity of spacing telescopic cylinder 903, thereby makes slide 2 can move about.

Wherein, flexible subassembly 9 still includes expanding spring 902, and expanding spring 902 cover is established in the outside of spacing telescopic link 901, and expanding spring 902's both ends respectively with containing box 1 and slide 2 fixed connection, through the expanding spring 902 that is equipped with for when people's activity slide 2, extrude expanding spring 902, loosen slide 2 back, slide 2 can rebound automatically.

Wherein, rolling component 5 includes two cylinders 501 and two rollers 502, and two rollers 502 are fixed the setting respectively at the both ends of stock form export 4, and two cylinders 501 roll respectively and set up on two rollers 502, and have the clearance between two cylinders 501, through two cylinders 501 and two rollers 502 that are equipped with for two cylinders 501 can rotate on two rollers 502, thereby make the thermal printing stock form more smooth and easy through stock form export 4.

Wherein, the intake stack 10 has been seted up at the middle part of the 7 bottoms of piece that induced drafts, an intake stack has been seted up in the containing box 1, the both ends of intake stack communicate with the air intake and the intake stack 10 of air exhauster 6 respectively, and intake stack 10 just to stock form export 4, through the intake stack 10 that is equipped with, when air exhauster 6 during operation, when the thermal printing stock form passes through stock form export 4, siphons away the dust that the stock form surface was printed to the thermal printing, avoids the dust to influence and prints the effect.

Wherein, the bottom activity of slide 2 is inlayed and is equipped with ball 12, and ball 12 has a plurality of, and a plurality of ball 12 is the equidistance and distributes, and the bottom of a plurality of ball 12 contacts with containing box 1, through a plurality of ball 12 that are equipped with, has reduced the coefficient of friction between slide 2 and containing box 1 to make things convenient for slide 2 to remove.

Wherein, the pull groove 13 that is used for removing slide 2 is seted up in slide 2's front, and pull groove 13 is located the top of connecting axle 3, and the cross-section of pull groove 13 is down trapezoidal, through the pull groove 13 that is equipped with, makes things convenient for people when removing slide 2, utilizes the finger to put into pull groove 13, makes things convenient for people to stimulate slide 2.

When the thermal printing roll paper pressing device works, firstly, the sliding plate 2 is moved towards one end of the storage box 1 through the pull groove 13, the telescopic spring 902 is contracted, the limiting telescopic rod 901 is contracted into the limiting telescopic hole 903, the pressing block 801 is pressed to be contracted, one end of the thermal printer roll paper is sleeved on the connecting shaft 3 of the storage box 1, the sliding plate 2 is loosened, the sliding plate 2 slides back under the action of the telescopic spring 902, the connecting shaft 3 on the sliding plate 2 extends into the other end of the thermal printer roll paper, the pressing block 801 is loosened, the pressing block 801 is pressed by the pressing spring 803, so that the pressing block 801 presses the thermal printing roll paper, the situation that the thermal printing roll paper continues to rotate when the thermal printing roll paper is stopped is avoided, the thermal printing roll paper is loosened, one end of the thermal printing roll paper passes through the roll paper outlet 4 and passes between two rollers 501 of the rolling assembly 5 to be connected with an external printing device, the exhaust fan 6 works to suck away dust on the surface of the thermosensitive printing roll paper passing through the roll paper outlet 4 through the air suction block 7 and the air inlet groove 10, so that the printing effect of the thermosensitive printing roll paper is prevented from being influenced, when the thermosensitive printing roll paper needs to be replaced, the operation is repeated, the old thermosensitive printing roll paper is taken out, and a new thermosensitive printing roll paper is loaded.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thermal printer scroll receiving mechanism, includes containing box (1) and sets up and put containing box (1) inner chamber one side top and be used for emitting the stock form export (4) of thermal printing stock form, its characterized in that, the one end activity of containing box (1) inner chamber is provided with slide (2), one side of slide (2) and the middle part of the other end of containing box (1) inner chamber all are connected with connecting axle (3) through bearing (11) rotation, and two connecting axle (3) symmetry sets up, the one end of containing box (1) is provided with two and is used for removing telescopic component (9) of slide (2), be located be provided with one on containing box (1) lateral wall of stock form export (4) below and be used for carrying out the extrusion subassembly (8) that extrude the thermal printing stock form, extrusion subassembly (8) are including extrusion piece (801) and extrusion spring (803), the both ends of extrusion spring (803) respectively with extrusion piece (801) and containing box (1) fixed connection, the front of extrusion piece (801) is just to the thermal-sensitive stock form of printing, is located be provided with on containing box (1) lateral wall of stock form export (4) top and be used for the suction thermal-sensitive stock form to go up the piece (7) that induced drafts of inhaling, the top of containing box (1) other end inlays and is equipped with an air exhauster (6), the air intake and the piece (7) intercommunication that induced drafts of air exhauster (6), stock form export (4) internal rotation is provided with a roll subassembly (5) that is convenient for the thermal-sensitive stock form roll-off of printing, air exhauster (6) and thermal printer's power electric connection, extrusion subassembly (8) for extrusion spring (803) are to the extrusion piece extrusion to the thermal-sensitive stock form of printing are extruded to make the extrusion piece, avoid the thermal-sensitive stock form of printing when stopping to use, the thermal printing roll paper continuously rotates to cause the thermal printing roll paper to be loose, the extrusion assembly (8) further comprises an extrusion rod (802), an extrusion spring (803) is sleeved outside the extrusion rod (802), the extrusion rod (802) consists of a sliding rod and a sliding barrel, the sliding rod is slidably arranged in the sliding barrel, the opposite ends of the sliding rod and the sliding barrel are fixedly connected with an extrusion block (801) and a containing box (1) respectively, the front side of the extrusion block (801) is in an arc shape, a protection pad (8011) is fixedly bonded on the front side of the extrusion block (801), the protection pad (8011) is made of polypropylene, the telescopic assembly (9) comprises a limiting telescopic rod (901) and a limiting telescopic barrel (903), the limiting telescopic barrel (903) is arranged on the containing box (1), one end of the limiting telescopic rod (901) is movably arranged in the limiting telescopic barrel (903), the other end of the limiting telescopic rod (901) is fixedly connected with the sliding plate (2).

2. The thermal printer paper roll accommodating mechanism according to claim 1, wherein the telescopic assembly (9) further comprises a telescopic spring (902), the telescopic spring (902) is sleeved on the outer side of the limiting telescopic rod (901), and two ends of the telescopic spring (902) are respectively fixedly connected with the accommodating box (1) and the sliding plate (2).

3. A thermal printer paper roll receiving mechanism according to claim 1, characterized in that said rolling assembly (5) comprises two rollers (501) and two rollers (502), two of said rollers (502) are respectively and fixedly arranged at two ends of the roll paper outlet (4), two of said rollers (501) are respectively and rotatably arranged on two rollers (502), and a gap exists between two of said rollers (501).

4. The thermal printer paper roll containing mechanism according to claim 1, wherein an air inlet duct (10) is formed in the middle of the bottom end of the air suction block (7), an air inlet duct is formed in the containing box (1), two ends of the air inlet duct are respectively communicated with an air inlet of the exhaust fan (6) and the air inlet duct (10), and the air inlet duct (10) is opposite to the roll paper outlet (4).

5. The thermal printer paper roll containing mechanism according to claim 1, characterized in that the bottom end of the sliding plate (2) is movably embedded with a plurality of balls (12), the plurality of balls (12) are distributed at equal intervals, and the bottom ends of the plurality of balls (12) are in contact with the containing box (1).

6. The thermal printer paper roll accommodating mechanism according to claim 1, wherein a pull groove (13) for moving the sliding plate (2) is formed in the front surface of the sliding plate (2), the pull groove (13) is located at the top of the connecting shaft (3), and the cross section of the pull groove (13) is in an inverted trapezoid shape.