CN112140742B - Thermal printer - Google Patents

Abstract

The invention relates to the technical field of printers, in particular to a thermal printer which comprises a thermal printer, a placing mechanism, a placing box, a clamping plate, a cover plate, a compression spring, a feeding groove, a locking mechanism, a winding mechanism, a fixing plate, a rotating shaft, a rubber block and an extrusion spring. When a large number of notes are printed, one end of the note paper enters the placing box through the feeding groove, the locking mechanism is pressed to enable the cover plate to conveniently slide with the placing box, so that the placing box is opened, paper is favorably connected with the rotating shaft, the rotating shaft cannot be separated from the top of the fixing plate under the action of the two groups of rubber blocks and the extrusion spring, the rotating shaft smoothly rotates inside the placing box, the cover plate is pulled to close the placing box, the position is limited under the action of the locking mechanism, the paper can continuously slide out of the top of the thermal printer when a large number of labels are printed, the paper is favorably pushed to roll inside the placing box, the paper is not disordered, and the paper is protected.

Description

Thermal printer

Technical Field

The invention relates to the technical field of printers, in particular to a thermal printer.

Background

The thermal printer has the working principle that a semiconductor heating element is arranged on a printing head, the printing head can print required patterns after being heated and contacted with thermal printing paper, the principle is similar to that of a thermal fax machine, the images are generated by heating and generating chemical reaction in a film, the chemical reaction of the thermal printer is carried out at a certain temperature, the high temperature can accelerate the chemical reaction, and when the temperature is lower than 60 ℃, the paper can be changed into dark color after a long time, even several years; and when the temperature is 200 ℃, the reaction is completed within several microseconds.

However, when a large number of labels are printed, the labels printed by the conventional thermal printer are directly stacked on a table or directly dropped on the ground, which is inconvenient to collect and damage the labels.

Disclosure of Invention

The present invention is directed to solving the above problems, and an object of the present invention is to provide a thermal printer which can conveniently roll, store and protect a printed label.

The invention achieves the purpose through the following technical scheme, and the thermal printer comprises a thermal printer and a placing mechanism arranged at one end of the thermal printer, wherein the placing mechanism comprises a placing box, clamping plates, a cover plate, a compression spring and a feeding groove, the placing box is internally of a cylindrical structure, and two symmetrically-distributed clamping plates are respectively arranged on two side walls at one end of the placing box; the two clamping plates are respectively clamped with the two sides of the thermal printer; the cover plate is of an arc-shaped structure, the bottom of the cover plate is connected with the inner side of the bottom of the placing box in a sliding mode, and the compression spring is mounted at the bottom of the cover plate; the feeding groove is formed in one end of the top side of the placing box, the two symmetrically-distributed winding mechanisms are mounted on two sides of the interior of the placing box respectively and comprise fixed plates, rotating shafts, rocking rods, rubber blocks and extrusion springs, and the two fixed plates are mounted on two sides of the interior of the placing box respectively and symmetrically; the height of the two fixing plates is equal to the inner radius of the placing box, and the tops of the two fixing plates are provided with two symmetrically distributed rubber blocks; one ends of the two rubber blocks are respectively of an arc structure, and the other ends of the two rubber blocks are respectively provided with the extrusion springs; the rubber block is connected with the inner parts of the fixed plates in a sliding mode through the extrusion springs, two ends of the rotating shaft are respectively connected with the inner sides of the top ends of the two fixed plates in a rotating mode, a locking mechanism is installed at the center of the outer side of the top of the cover plate, the rocker penetrates through the placing box and is connected to the rotating shaft, and the rocker is connected with the placing box in a rotating mode.

Preferably, in order to press and fix the pressing plate and the bayonet lock conveniently, the locking mechanism comprises a pressing block and a pressing plate, the center of the pressing plate is connected with the inner side of the top of the cover plate in a sliding mode, the bottom of the pressing block penetrates through the cover plate to be connected with the center of the top of the pressing plate, and the pressing block is connected with the inner portion of the cover plate in a sliding mode through the pressing plate.

Preferably, in order to perform the reset function, the locking mechanism further comprises a return spring, the return spring is installed at the center of the bottom of the pressure plate, and the bottom of the return spring is connected with the inside of the top side of the cover plate.

Preferably, in order to facilitate the limiting and locking, the locking mechanism further comprises two locking pins, the two locking pins are respectively of a triangular structure, the two locking pins are respectively installed on the top sides of the two ends of the pressing plate, and one of the locking pins is clamped with the bottom side of one end of the top of the placing box.

Preferably, in order to connect the rollers conveniently, a guide mechanism is installed at the top of one end of the placing box and comprises a vertical plate, the vertical plate is installed at the center of the top of one end of the placing box, and the vertical plate is of a Y-shaped structure.

Preferably, for convenience, the roller can slide under the effect of slider, guiding mechanism still includes slider and conflict spring, two the slider respectively with the both ends top inboard sliding connection of riser, and two install respectively the bottom of slider the conflict spring.

Preferably, in order to enable the paper to smoothly slide out and simultaneously play a role in guiding, the guiding mechanism further comprises a first roller and a second roller, two ends of the second roller are respectively rotatably connected with the inner side of the top of the vertical plate, two ends of the first roller are respectively rotatably connected with one side of the two sliding blocks, and the first roller is slidably connected with the inner side wall of the top of the vertical plate through the sliding blocks.

The invention has the beneficial effects that: when a large amount of notepaper is printed, one end of the notepaper enters the placing box through the feeding groove, then the cover plate is accommodated in the inner side of the bottom of the placing box in a sliding mode by driving the locking mechanism, so that the placing box is opened, the connection of the paper and the rotating shaft is facilitated, the rotating shaft cannot be separated from the top of the fixing plate under the action of the two groups of rubber blocks and the extrusion spring, the rotating shaft rotates smoothly inside the placing box, the placing box is closed by pulling the cover plate, the position is limited under the action of the locking mechanism, the paper can continuously slide out of the top of the thermal printer when a large amount of labels are printed, the paper can be pushed to roll inside the placing box, the paper cannot be mixed, and the paper is protected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the thermal printer and the placement mechanism shown in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B shown in FIG. 2;

fig. 5 is an enlarged schematic view of the portion C shown in fig. 2.

In the figure: 1. thermal printer, 2, place the mechanism, 21, place the box, 22, the cardboard, 23, the apron, 24, compression spring, 25, the feed chute, 3, blocked mechanical system, 31, the briquetting, 32, reset spring, 33, the clamp plate, 34, the bayonet lock, 4, guiding mechanism, 41, slider, 42, first running roller, 43, second running roller, 44, conflict spring, 45, the riser, 5, the roll-up mechanism, 51, the fixed plate, 52, the pivot, 52a, the rocker, 53, the rubber block, 54, extrusion spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a thermal printer includes athermal printer 1 and aplacing mechanism 2 installed at one end of thethermal printer 1, where theplacing mechanism 2 includes aplacing box 21, aclamping plate 22, acover plate 23, acompression spring 24 and afeeding slot 25, the inside of theplacing box 21 is a cylindrical structure, and two symmetrically distributedclamping plates 22 are installed on two side walls of one end of theplacing box 21 respectively; the twoclamping plates 22 are respectively clamped with the two sides of thethermal printer 1; thecover plate 23 is of an arc-shaped structure, the bottom of thecover plate 23 is connected with the inner side of the bottom of the placingbox 21 in a sliding manner, and thecompression spring 24 is installed at the bottom of thecover plate 23; thefeeding groove 25 is formed in one end of the top side of theplacing box 21, the symmetrically-distributedwinding mechanisms 5 are respectively mounted on two sides of the interior of the placingbox 21, eachwinding mechanism 5 comprises afixed plate 51, arotating shaft 52, arocker 52a, arubber block 53 and anextrusion spring 54, and the twofixed plates 51 are respectively and symmetrically mounted on two sides of the interior of theplacing box 21; the height of the twofixing plates 51 is equal to the inner radius of theplacing box 21, and the top of eachfixing plate 51 is provided with two symmetrically distributedrubber blocks 53; one end of each of the tworubber blocks 53 is of an arc structure, and the other end of each of the tworubber blocks 53 is provided with theextrusion spring 54; therubber block 53 is slidably connected with the inside of thefixed plates 51 through theextrusion spring 54, two ends of the rotatingshaft 52 are respectively rotatably connected with the inner sides of the top ends of the twofixed plates 51, thelocking mechanism 3 is installed at the center of the outer side of the top of thecover plate 23, therocker 52a penetrates through theplacing box 21 and is connected with therotating shaft 52, and the rocker is rotatably connected with theplacing box 21.

As a technical optimization scheme of the present invention, thelocking mechanism 3 includes apressing block 31 and apressing plate 33, a center of thepressing plate 33 is slidably connected to an inner side of a top of thecover plate 23, a bottom of thepressing block 31 penetrates through thecover plate 23 and is connected to a center of a top of thepressing plate 33, and thepressing block 31 is slidably connected to an inner portion of thecover plate 23 through thepressing plate 33.

As a technical optimization of the present invention, thelocking mechanism 3 further includes areturn spring 32, thereturn spring 32 is installed at the center of the bottom of thepressing plate 33, and the bottom of thereturn spring 32 is connected with the inside of the top side of thecover plate 23.

As a technical optimization scheme of the present invention, thelocking mechanism 3 further includes twolocking pins 34, the twolocking pins 34 are respectively of a triangular structure, the twolocking pins 34 are respectively mounted on top sides of two ends of thepressing plate 33, and one of thelocking pins 34 is engaged with a bottom side of one end of the top of the placingbox 21.

As a technical optimization scheme of the invention, the top of one end of the placingbox 21 is provided with theguide mechanism 4, theguide mechanism 4 comprises a vertical plate 45, the vertical plate 45 is arranged at the center of the top of one end of theplacing box 21, and the vertical plate 45 is in a Y-shaped structure.

As a technical optimization scheme of the present invention, the guidingmechanism 4 further includes slidingblocks 41 and abuttingsprings 44, the twosliding blocks 41 are respectively connected with the inner sides of the tops of the two ends of the vertical plate 45 in a sliding manner, and theabutting springs 44 are respectively installed at the bottoms of the twosliding blocks 41.

As a technical optimization scheme of the present invention, theguide mechanism 4 further includes afirst roller 42 and asecond roller 43, two ends of thesecond roller 43 are respectively rotatably connected to the inner side of the top of the upright plate 45, two ends of thefirst roller 42 are respectively rotatably connected to one side of the twosliders 41, and thefirst roller 42 is slidably connected to the inner side wall of the top of the upright plate 45 through thesliders 41.

When the invention is used, firstly, the placingbox 21 is clamped and connected with one end of thethermal printer 1 through the twoclamping plates 22, the subsequent disassembly and separation are also convenient, when a large amount of notes are printed, one end of the note paper passes through the space between thefirst roller 42 and thesecond roller 43 and enters the placingbox 21 through thefeeding groove 25, the two rollers are favorable for tightly clamping the paper under the action of thesliding block 41 and theabutting spring 44 and are favorable for guiding and smoothly sliding out the slid-out paper, then thepressing block 31 is pressed downwards, thepressing plate 33 and theclamping pin 34 are separated from the inner side of the top of the placingbox 21 under the action of thereturn spring 32, thecover plate 23 is accommodated in the inner side of the bottom of the placingbox 21 in a sliding way under the action of thecompression spring 24, so that the placingbox 21 is opened, the paper is favorable for being connected with the rotatingshaft 52 and placed at the top of the twofixing plates 51, under the effect of two sets ofrubber blocks 53 andextrusion spring 54, makepivot 52 can not break away fromfixed plate 51 top, thereby it is smooth and easy to makepivot 52 place the inside rotation ofbox 21, pullapron 23 again at last, thereby makeapron 23 break away from roll-off undercompression spring 24's the effect, and makebayonet lock 34 and the top inside wall block of placingbox 21, make the difficult gliding ofapron 23 reset, when carrying out a large amount of label printing, the paper can be at the continuous roll-off inthermal printer 1's top, be favorable to the paper to placing the inside roll-up ofbox 21, the rotation ofpivot 52 is assisted torotatable rocker 52a, thereby make the paper not mixed and disorderly, the effect of protection has also been played the paper.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A thermal printer comprises a thermal printer (1) and a placing mechanism (2) arranged at one end of the thermal printer (1), and is characterized in that: the placing mechanism (2) comprises a placing box (21), clamping plates (22), a cover plate (23), a compression spring (24) and a feeding groove (25), the inside of the placing box (21) is of a cylindrical structure, and two symmetrically-distributed clamping plates (22) are respectively mounted on two side walls of one end of the placing box (21); the two clamping plates (22) are respectively clamped with the two sides of the thermal printer (1); the cover plate (23) is of an arc-shaped structure, the bottom of the cover plate (23) is connected with the inner side of the bottom of the placing box (21) in a sliding mode, and the compression spring (24) is installed at the bottom of the cover plate (23); the feeding groove (25) is formed in one end of the top of the placing box (21), the symmetrically-distributed winding mechanisms (5) are mounted on two sides of the interior of the placing box (21) respectively, each winding mechanism (5) comprises a fixing plate (51), a rotating shaft (52), a rocker (52a), a rubber block (53) and an extrusion spring (54), and the two fixing plates (51) are mounted on two sides of the interior of the placing box (21) respectively and symmetrically; the height of the two fixing plates (51) is equal to the inner radius of the placing box (21), and the tops of the two fixing plates (51) are respectively provided with two symmetrically distributed rubber blocks (53); one ends of the two rubber blocks (53) are respectively of an arc structure, and the other ends of the two rubber blocks (53) are respectively provided with the extrusion springs (54); the rubber block (53) is connected with the inner parts of the fixed plates (51) in a sliding mode through the extrusion springs (54), the two ends of the rotating shaft (52) are respectively connected with the inner sides of the top ends of the two fixed plates (51) in a rotating mode, a locking mechanism (3) is installed at the center of the outer side of the top of the cover plate (23), the rocker (52a) penetrates through the placing box (21) and is connected to the rotating shaft (52), and the rocker and the placing box (21) are connected in a rotating mode.

2. A thermal printer according to claim 1, wherein: the locking mechanism (3) comprises a pressing block (31) and a pressing plate (33), the center of the pressing plate (33) is connected with the inner side of the top of the cover plate (23) in a sliding mode, the bottom of the pressing block (31) penetrates through the cover plate (23) to be connected with the center of the top of the pressing plate (33), and the pressing block (31) is connected with the inner portion of the cover plate (23) in a sliding mode through the pressing plate (33).

3. A thermal printer according to claim 2, wherein: the locking mechanism (3) further comprises a return spring (32), the return spring (32) is installed at the center of the bottom of the pressing plate (33), and the bottom of the return spring (32) is connected with the inside of the top side of the cover plate (23).

4. A thermal printer according to claim 3, wherein: the locking mechanism (3) further comprises two clamping pins (34), the two clamping pins (34) are of triangular structures respectively, the two clamping pins (34) are installed on the top sides of the two ends of the pressing plate (33) respectively, and one clamping pin (34) is clamped with the bottom side of one end of the top of the placing box (21).

5. A thermal printer according to claim 1, wherein: the box is characterized in that a guide mechanism (4) is installed at the top of one end of the placing box (21), the guide mechanism (4) comprises a vertical plate (45), the vertical plate (45) is installed at the center of the top of one end of the placing box (21), and the vertical plate (45) is of a Y-shaped structure.

6. The thermal printer according to claim 5, wherein: guiding mechanism (4) still include slider (41) and conflict spring (44), two slider (41) respectively with the inboard sliding connection in both ends top of riser (45), and two install respectively the bottom of slider (41) conflict spring (44).

7. The thermal printer of claim 6, wherein: the guide mechanism (4) further comprises a first roller (42) and a second roller (43), two ends of the second roller (43) are respectively rotatably connected with the inner side of the top of the vertical plate (45), two ends of the first roller (42) are respectively rotatably connected with one side of the two sliding blocks (41), and the first roller (42) is in sliding connection with the inner side wall of the top of the vertical plate (45) through the sliding blocks (41).

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