CN214492120U

CN214492120U - Thermal printer convenient to equipment

Info

Publication number: CN214492120U
Application number: CN202023060039.2U
Authority: CN
Inventors: 罗磊; 申小丹
Original assignee: Zhuhai Xinye Electronic Technology Co Ltd; Zhuhai Hengsheng Barcode Equipment Co Ltd
Current assignee: Zhuhai Xinye Electronic Technology Co Ltd; Zhuhai Hengsheng Barcode Equipment Co Ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-26
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a thermal printer convenient to equipment belongs to printer technical field. The thermal printer comprises an upper main body, a lower main body, a printing head assembly, a stripping mechanism and a paper guide mechanism; the upper main body is connected with an upper outer cover, the lower main body is connected with a lower outer cover, and one side of the lower main body is hinged with one side of the upper main body; the printing head assembly is arranged on the upper main body, and a thermosensitive plate protective plate is clamped on the position, corresponding to the lower part of the printing head assembly, of the upper main body; the upper end surface of the lower main body is provided with a containing groove, and the paper guide mechanism is clamped in the containing groove; the utility model discloses a stripping mechanism, including lower main part, mounting groove has been seted up on the preceding terminal surface of lower main part, set up down on the enclosing cover with mounting groove assorted breach, stripping mechanism detachably joint is in the mounting groove. The utility model discloses stable in structure, a plurality of parts need not the instrument and can realize convenient quick dismantlement installation, and easily equipment has improved work efficiency greatly.

Description

Thermal printer convenient to equipment

Technical Field

The utility model relates to a printer technical field, concretely relates to thermal printer convenient to equipment.

Background

With the development of printing technology industry and the popularization of printers, printing devices have a technical support effect on the propagation and communication of culture and information, but with the development of various industries, the special requirements for different printing of various industries are changed. Among them, the thermal printer is widely popularized and used due to its excellent portability and convenience, and is widely used not only in an automatic teller machine of a bank, a cash register of a supermarket, and a delivery place of an e-commerce, but also in a hospital, such as printing documents, labels, bar codes, and the like. A plurality of internals among the present thermal printer are generally through a plurality of screw fixation in the printer main part, and the process of installation is very loaded down with trivial details and complicated, need use professional instrument simultaneously, and very troublesome consumes a large amount of time and manpower, has reduced the packaging efficiency. In addition, the existing thermal printer has more and dispersed parts, the parts are not easy to install, the installation precision is low, the whole structure is unstable, the whole thermal printer is not easy to assemble, and the manufacturing efficiency of the thermal printer is low.

Therefore, it is highly desirable to develop a thermal printer which is stable in structure, easy to assemble, and convenient and quick to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a thermal printer, this thermal printer stable in structure need not the instrument and can realize convenient quick dismantlement installation, and easily equipment has improved work efficiency greatly.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

a thermal printer convenient for assembly comprises an upper main body, a lower main body, a printing head assembly, a stripping mechanism and a paper guide mechanism; the upper main body is connected with an upper outer cover, the lower main body is connected with a lower outer cover, and one side of the lower main body is hinged with one side of the upper main body; the printing head assembly is arranged on the upper main body, and a thermosensitive plate protective plate is clamped on the position, corresponding to the lower part of the printing head assembly, of the upper main body; the upper end surface of the lower main body is provided with a containing groove, and the paper guide mechanism is clamped in the containing groove; the utility model discloses a stripping mechanism, including lower main part, mounting groove has been seted up on the preceding terminal surface of lower main part, set up down on the enclosing cover with mounting groove assorted breach, stripping mechanism detachably joint is in the mounting groove.

As a preferred embodiment of the present invention, a pin shaft transversely disposed and facing the inside of the upper main body is disposed at a position of the upper main body corresponding to the lower side of the printhead assembly, and a first locking hole for installing a thermal sensitive sheet guard plate is disposed at a side of the upper main body away from the printhead assembly; positioning clamping grooves matched with the pin shafts are formed in the left side and the right side of the thermosensitive plate protecting plate, and first buckles matched with the first clamping holes are arranged on the rear side of the thermosensitive plate protecting plate; the positioning clamping groove is inserted on the pin shaft, and the first buckle is clamped in the first clamping hole, so that the thermosensitive plate protective plate is detachably connected with the upper main body.

As a preferred embodiment of the present invention, the paper guide mechanism includes a paper guide block and a fixing plate; the fixed plate is provided with a sliding chute for the paper guide block to slide, and the paper guide block passes through the sliding chute and is arranged at the bottom of the fixed plate; at least two second clamping holes are formed in the accommodating groove of the lower main body; the fixed plate is respectively provided with a first clamping block matched with the second clamping hole, and the fixed plate is clamped in the second clamping hole through the first clamping block and is detachably connected with the lower main body.

Further preferably, the upper side surface and the lower side surface of the fixing plate are provided with a plurality of reinforcing ribs.

Further preferably, the paper guide mechanism further comprises a gear and a rack, the gear is rotatably mounted on the bottom of the fixed plate, and the rack is arranged at the bottom of the fixed plate and meshed with the gear; the paper guide block penetrates through the sliding groove to be connected with the end part of the rack.

As a preferred embodiment of the present invention, the peeling mechanism comprises a peeling knife and a peeling assembly; a first mounting hole matched with the end part of the stripping knife is formed in the side wall of the mounting groove, and the stripping knife is detachably mounted in the first mounting hole; the peeling assembly comprises a bracket and a peeling roller, and the peeling roller is rotatably arranged on the bracket; elastic clamping hooks are arranged on two sides of the support, and mounting clamping grooves are formed in the side walls of the mounting grooves; the support is connected with the lower main body in a detachable mode through elastic clamping hooks in a clamping mode.

As a preferred embodiment of the present invention, the lower ends of the two sides of the bracket are provided with mounting fastening points, the side wall of the mounting groove is provided with second mounting holes matched with the mounting fastening points, and the mounting fastening points are fastened into the second mounting holes; the upper ends of the two sides of the bracket are provided with wrenches for dismounting the stripping component; the upper main body is provided with an avoiding groove matched with the wrench.

As a preferred embodiment of the utility model, the utility model also comprises a front baffle; the front baffle is detachably arranged in the mounting groove of the lower main body; a paper outlet is formed between the side wall of the front baffle and the side wall of the upper outer cover, a paper tearing blade integrally formed with the upper outer cover is arranged on the side edge, opposite to the front baffle, of the upper outer cover, and a paper tearing blade integrally formed with the front baffle is arranged on the side edge, opposite to the upper outer cover, of the front baffle.

As a preferred embodiment of the present invention, a second clamping block is disposed on the bottom of the front baffle, and a third clamping hole is disposed on the bottom wall of the mounting groove of the lower main body; the front baffle is connected with the mounting groove in a detachable mode in the third clamping hole in a clamping mode through the second clamping block.

As the utility model discloses preferred embodiment, be provided with outside bellied gib block on the left and right sides of preceding baffle, gib block and installation slot phase-match.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a thermal sensitive sheet backplate, peeling means among the thermal sensitive printer, a plurality of parts such as paper guide mechanism all can be dismantled with last main part or lower main part and be connected, not only make printer overall structure stable, effectively improved thermal sensitive printer's structural strength, can dismantle the structure of connecting simultaneously and can make the production modularization, can effectively improve production efficiency, also have the advantage of being convenient for change spare part. A plurality of parts such as temperature sensing piece backplate, peeling means, paper guide mechanism all adopt the joint can dismantle the connected mode install in the printer, make the utility model discloses need not the instrument and can realize convenient quick dismantlement installation, easily equipment has improved work efficiency greatly. In addition, can replace the preceding baffle of using with peeling means through the setting, make the utility model discloses both can realize the automatic peeling function of label, under the condition that the user need not use peeling function, can demolish the preceding baffle that peeling means installation has sharp limit for ordinary thermal printer has the automatic peeling function of label and has the function of tearing paper again, has effectively reduced user's cost.

Drawings

Fig. 1 is a schematic structural diagram of a thermal printer according to the present invention;

fig. 2 is a cross-sectional view of a thermal printer according to the present invention;

fig. 3 is a schematic view of the internal structure of the thermal printer according to the present invention;

fig. 4 is a schematic structural view illustrating the printing assembly of the present invention mounted on the upper body;

fig. 5 is a schematic structural view of a heat-sensitive sheet guard plate according to the present invention;

FIG. 6 is a schematic structural view of a thermal printer stripping mechanism according to the present invention;

FIG. 7 is a schematic structural view of a stripping assembly according to the present invention;

fig. 8 is an exploded view of the paper guide mechanism and the lower body according to the present invention;

fig. 9 is a front view of the lower body according to the present invention;

fig. 10 is a schematic structural view of a fixing plate according to the present invention;

FIG. 11 is a cross-sectional view of a thermal printer according to the present invention with a front bezel installed;

FIG. 12 is a schematic view of the internal structure of the thermal printer according to the present invention with a front bezel;

FIG. 13 is an exploded view of a thermal printer according to the present invention with a front bezel installed;

the reference numbers illustrate: 1. an upper body; 11. a pin shaft; 12. a first card hole; 13. an avoidance groove; 2. a lower body; 21. a containing groove; 22. mounting grooves; 23. a second card hole; 24. a first mounting hole; 25. installing a clamping groove; 26. a second mounting hole; 27. a third clamping hole; 3. a printhead assembly; 4. a peeling mechanism; 41. a stripping knife; 42. a support; 43. a peeling roller; 44. an elastic clamping hook; 45. installing a clamping point; 46. a wrench; 5. a paper guide mechanism; 51. a paper guide block; 52. a fixing plate; 53. a gear; 54. a rack; 55. a first clamping block; 6. an outer cover is arranged; 7. a lower outer cover; 71. a notch; 8. a thermosensitive plate guard plate; 81. positioning the clamping groove; 82. a first buckle; 9. a front baffle; 91. a second fixture block; 92. a guide strip; 10. and a paper tearing blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 13, the thermal printer of the present invention includes an upper main body 1, a lower main body 2, a printhead assembly 3, a peeling mechanism 4, and a paper guide mechanism 5. As shown in fig. 1, 2 and 3, the upper body 1 is connected with an upper outer cover 6, the lower body 2 is connected with a lower outer cover 7, one side of the lower body 2 is hinged to one side of the upper body 1, and the upper outer cover 6 and the lower outer cover 7 are closed or opened through a hinge structure between the upper body 1 and the lower body 2. The printing head component 3 is arranged on the upper main body 1, and a heat-sensitive sheet is arranged on the printing head component 3; a thermosensitive plate protecting plate 8 for protecting a thermosensitive plate is clamped on the position of the upper main body 1 corresponding to the lower part of the printing head assembly 3. The upper end surface of the lower main body 2 is provided with a containing groove 21, and the paper guide mechanism 5 is clamped in the containing groove 21 and used for guiding paper. The front end face of the lower main body 2 is provided with a mounting groove 22, the lower outer cover 7 is provided with a notch 71 matched with the mounting groove 22, and the stripping mechanism 4 is detachably clamped in the mounting groove 22. According to the above technical scheme, the utility model discloses a plurality of parts such as heat-sensitive piece backplate 8, peeling means 4, paper guide mechanism 5 all can dismantle the joint with last main part 1 or lower main part 2, not only make printer overall structure stable, effectively improved thermal printer's structural strength, can dismantle the structure of connection simultaneously and can make the production modularization, can effectively improve production efficiency, make the utility model discloses need not the instrument and can realize convenient quick dismantlement installation, easily equipment, be convenient for change have improved work efficiency greatly.

Specifically, as shown in fig. 4, the upper body 1 is provided with a pin 11 for mounting the thermal sheet protector 8 at a position corresponding to the lower side of the print head assembly 3, and the two pins 11 are arranged laterally and both face the inner side of the upper body 1. Two first clamping holes 12 for installing the heat-sensitive sheet protecting plate 8 are formed in one side of the upper main body 1, which is far away from the printing head assembly 3. As shown in fig. 5, the left and right sides of the thermosensitive plate protective plate 8 are provided with positioning notches 81 matching with the pin 11, for convenience of assembly and disassembly, the pin 11 is preferably a cylinder, and correspondingly, the positioning notches 81 are U-shaped grooves. A first buckle 82 matched with the first clamping hole 12 is arranged on the rear side of the heat-sensitive sheet guard plate 8, and the first buckle 82 is an elastic buckle so as to assemble and disassemble the first buckle 82 in the first clamping hole 12. Positioning channel section 81 pegs graft on round pin axle 11, and first buckle 82 joint makes heat-sensitive piece backplate 8 can dismantle with last main part 1 and be connected in first calorie of downthehole 12, realizes the quick assembly disassembly of heat-sensitive piece backplate 8 and last main part 1, has not only improved the packaging efficiency greatly, need not specialized tool loading and unloading backplate, is convenient for change the heat-sensitive piece, has the guard action to heat-sensitive piece and the wire rod on the printer head subassembly 3 moreover, not only dustproof but also pleasing to the eye.

Specifically, as shown in fig. 8, the paper guide mechanism 5 includes a paper guide block 51, a fixed plate 52, a gear 53, and a rack 54. As shown in fig. 9, the receiving groove 21 of the lower body 2 is matched with the fixing plate 52, and at least two second fastening holes 23 for connecting the fixing plate 52 are disposed on the side wall of the receiving groove 21. As shown in fig. 10, the fixed plate 52 is provided with a sliding slot for the paper guide block 51 to slide, the paper guide block 51 passes through the sliding slot and is detachably connected with a rack 54 mounted at the bottom of the fixed plate 52, the rack 54 is disposed at the bottom of the fixed plate 52 and is engaged with a gear 53, the gear 53 is rotatably mounted at the bottom of the fixed plate 52, and the distance between the two paper guide blocks 51 can be adjusted according to the size of the printing paper by the cooperation of the rack 54 and the gear 53, thereby ensuring smooth paper feeding. Be provided with respectively on the fixed plate 52 with second card hole 23 assorted first fixture block 55, the fixed plate 52 is located in second card hole 23 through first fixture block 55 card and can be dismantled with lower main part 2 and be connected, the structural strength of printer main part has been strengthened, promote printer stability to a certain extent, fixed plate 52 and lower main part 2 are the single molding respectively when moulding plastics simultaneously, modular structure makes production simple process, be convenient for debug machine and the fast assembly of moulding plastics, production efficiency has effectively been improved.

As shown in fig. 6 and 7, the peeling mechanism 4 includes a peeling blade 41 and a peeling assembly. The side wall of the mounting groove 22 is provided with a first mounting hole 24 matched with the end of the stripping knife 41, and the stripping knife 41 is detachably mounted in the first mounting hole 24 to strip the base paper of the label. The stripping assembly comprises a bracket 42 and a stripping roller 43, wherein the stripping roller 43 is rotatably arranged on the bracket 42; elastic clamping hooks 44 are arranged on two sides of the support 42, and mounting clamping grooves 25 are formed in the side walls of the mounting grooves 22; the bracket 42 is clamped in the mounting clamping groove 25 through an elastic clamping hook 44 and is detachably connected with the lower main body 2; the elastic hook 44 can be locked in the mounting groove 25 or separated from the mounting groove 25 by its own elasticity under the action of external force.

As shown in fig. 7, in order to improve the connection strength between the peeling assembly and the lower body 2, mounting fastening points 45 are provided on the lower ends of the side plates on both sides of the bracket 42, second mounting holes 26 matched with the mounting fastening points 45 are provided on the side walls of the mounting groove 22, and the mounting fastening points 45 are fastened in the second mounting holes 26. The mounting clip point 45 can be installed in the second mounting hole 26 or removed from the second mounting hole 26 by pressing the end of the side plate. Similarly, in order to facilitate the detachment of the stripping assembly, the upper ends of the two sides of the bracket 42 are provided with the wrenches 46 for detaching the stripping assembly, the height of the wrenches 46 exceeds the lower main body 2 after the stripping assembly is mounted on the lower main body 2, the upper main body 1 is provided with the avoidance groove 13 matched with the wrenches 46, after the upper main body 1 and the lower main body 2 are closed, the wrenches 46 are inserted into the avoidance groove 13, so that the upper main body 1 has a limiting effect on the upper end of the stripping assembly, and the connection strength between the stripping assembly and the printer is further improved.

In order to diversify the functions of the printer of the present invention, as shown in fig. 11 and 12, the present invention further includes a front baffle 9 that can be used in place of the peeling mechanism 4. The front baffle 9 is detachably installed in the installation groove 22 of the lower body 2, and the height of the front baffle 9 is smaller than the depth of the notch 71 of the lower outer cover 7. The clearance between the lateral wall of preceding baffle 9 and the lateral wall of last enclosing cover 6 forms the exit slot, it is provided with on the relative side of enclosing cover 6 and preceding baffle 9 and tears paper sword 10 with last enclosing cover 6 integrated into one piece to go up enclosing cover 6, preceding baffle 9 is provided with on the relative side of last enclosing cover 6 and tears paper sword 10 with preceding baffle 9 integrated into one piece, through all being provided with the paper sword 10 that tears of leanin on the upper and lower both sides at the exit slot, it can realize bilateral paper tearing to make it, can select the paper tearing mode according to actual demand, the paper tearing operation of being convenient for, the paper tearing incision is neat, it is smooth and easy, good handle. Preceding baffle 9 can dismantle with lower main part 2 and connect, when not needing bilateral paper tearing function, can dismantle the change with preceding baffle 9, and the use flexibility is higher. Specifically, as shown in fig. 13, a second latch 91 is disposed on the bottom of the front baffle 9, and a third latch hole 27 is disposed on the mounting groove 22 of the lower body 2; the front baffle 9 is clamped in the third clamping hole 27 through the second clamping block 91 and is detachably connected with the mounting groove 22. In order to realize the quick installation of the front baffle 9, the guide strips 92 protruding outwards are arranged on the left side and the right side of the front baffle 9, the guide strips 92 are matched with the installation clamping grooves 25, and the second clamping blocks 91 can be accurately clamped into the third clamping holes 27 through the matching of the guide strips 92 and the installation clamping grooves 25 during the assembly, so that the assembly efficiency is greatly improved.

To sum up, the utility model discloses stable in structure, a plurality of parts need not the instrument and can realize convenient quick dismantlement installation, and easily equipment has improved work efficiency greatly.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A thermal printer that facilitates assembly, characterized by: comprises an upper main body, a lower main body, a printing head component, a stripping mechanism and a paper guide mechanism; the upper main body is connected with an upper outer cover, the lower main body is connected with a lower outer cover, and one side of the lower main body is hinged with one side of the upper main body; the printing head assembly is arranged on the upper main body, and a thermosensitive plate protective plate is clamped on the position, corresponding to the lower part of the printing head assembly, of the upper main body; the upper end surface of the lower main body is provided with a containing groove, and the paper guide mechanism is clamped in the containing groove; the utility model discloses a stripping mechanism, including lower main part, mounting groove has been seted up on the preceding terminal surface of lower main part, set up down on the enclosing cover with mounting groove assorted breach, stripping mechanism detachably joint is in the mounting groove.

2. The easy-to-assemble thermal printer according to claim 1, wherein: a pin shaft which is transversely arranged and faces towards the inner side of the upper main body is arranged at a position of the upper main body, which corresponds to the lower part of the printing head assembly, and a first clamping hole for mounting a thermosensitive plate protective plate is formed in one side of the upper main body, which is far away from the printing head assembly; positioning clamping grooves matched with the pin shafts are formed in the left side and the right side of the thermosensitive plate protecting plate, and first buckles matched with the first clamping holes are arranged on the rear side of the thermosensitive plate protecting plate; the positioning clamping groove is inserted on the pin shaft, and the first buckle is clamped in the first clamping hole, so that the thermosensitive plate protective plate is detachably connected with the upper main body.

3. The easy-to-assemble thermal printer according to claim 1, wherein: the paper guide mechanism comprises a paper guide block and a fixing plate; the fixed plate is provided with a sliding chute for the paper guide block to slide, and the paper guide block passes through the sliding chute and is arranged at the bottom of the fixed plate; at least two second clamping holes are formed in the accommodating groove of the lower main body; the fixed plate is respectively provided with a first clamping block matched with the second clamping hole, and the fixed plate is clamped in the second clamping hole through the first clamping block and is detachably connected with the lower main body.

4. The easy-to-assemble thermal printer according to claim 3, wherein: and the upper side surface and the lower side surface of the fixing plate are provided with a plurality of reinforcing ribs.

5. The easy-to-assemble thermal printer according to claim 4, wherein: the rack is arranged at the bottom of the fixed plate and meshed with the gear; the paper guide block penetrates through the sliding groove to be connected with the end part of the rack.

6. The easy-to-assemble thermal printer according to claim 1, wherein: the stripping mechanism comprises a stripping knife and a stripping component; a first mounting hole matched with the end part of the stripping knife is formed in the side wall of the mounting groove, and the stripping knife is detachably mounted in the first mounting hole; the peeling assembly comprises a bracket and a peeling roller, and the peeling roller is rotatably arranged on the bracket; elastic clamping hooks are arranged on two sides of the support, and mounting clamping grooves are formed in the side walls of the mounting grooves; the support is connected with the lower main body in a detachable mode through elastic clamping hooks in a clamping mode.

7. The easy-to-assemble thermal printer according to claim 6, wherein: the lower ends of the two sides of the bracket are provided with mounting clamping points, the side wall of each mounting groove is provided with a second mounting hole matched with the mounting clamping point, and the mounting clamping points are clamped in the second mounting holes; the upper ends of the two sides of the bracket are provided with wrenches for dismounting the stripping component; the upper main body is provided with an avoiding groove matched with the wrench.

8. The easy-to-assemble thermal printer according to claim 6, wherein: the device also comprises a front baffle; the front baffle is detachably arranged in the mounting groove of the lower main body; a paper outlet is formed between the side wall of the front baffle and the side wall of the upper outer cover, a paper tearing blade integrally formed with the upper outer cover is arranged on the side edge, opposite to the front baffle, of the upper outer cover, and a paper tearing blade integrally formed with the front baffle is arranged on the side edge, opposite to the upper outer cover, of the front baffle.

9. The easy-to-assemble thermal printer according to claim 8, wherein: a second clamping block is arranged at the bottom of the front baffle, and a third clamping hole is formed in the bottom wall of the mounting groove of the lower main body; the front baffle is connected with the mounting groove in a detachable mode in the third clamping hole in a clamping mode through the second clamping block.

10. The thermal printer of claim 8 or 9, which facilitates assembly, wherein: the left side and the right side of the front baffle are provided with guide strips protruding outwards, and the guide strips are matched with the mounting clamping grooves.