CN209851830U - Thermal printer with reversely-arranged paper cutter - Google Patents

Abstract

The utility model provides a thermal printer of flip-chip paper cutter, including casing, heat-sensitive piece and rubber roll set up in the casing, heat-sensitive piece and rubber roll set up relatively, form the paper feed passageway between heat-sensitive piece and the rubber roll, the paper feed passageway is provided with the exit slot; the thermal printer is provided with a paper cutter device at a paper outlet, the paper cutter device comprises a cutter shell, a cutter driving device, a main cutter and an auxiliary cutter, the cutter shell is provided with a through hole in a penetrating manner, the through hole is communicated with the paper outlet, the cutter driving device, the main cutter and the auxiliary cutter are arranged in the cutter shell, the auxiliary cutter is arranged below the through hole, the main cutter is arranged above the through hole, the main cutter and the auxiliary cutter are oppositely arranged, and the cutter driving device drives the main cutter to move towards or away from the auxiliary cutter; the cutter shell is provided with a falling hollow part at the outer side of the auxiliary cutter and below the through hole. Beat printing paper after cutting off when realizing the cut paper and directly drop from the fretwork portion that drops, do not block up the exit slot, no longer need the manual work to take away and beat printing paper, be favorable to improving printing efficiency.

Description

Thermal printer with reversely-arranged paper cutter

Technical Field

The utility model relates to a thermal printing field especially relates to a thermal printer of flip-chip paper cutter.

Background

With the popularization and application of thermal printers, the thermal printers are used in automatic teller machines of banks, cash registers of supermarkets and delivery places of e-commerce, especially printing of the e-commerce industry and the express delivery industry is rapidly increased, and higher requirements are provided for the stability, durability, printing base materials, printing modes and diversity of paper outlet modes of the printers.

The main knife of the existing cutter device is generally arranged below, a corresponding shell is arranged below the paper outlet, the printing paper is supported at the shell after being cut off, and the printing paper still needs to be taken away by hands, if the paper is not taken away, the cutting of the next printing program is influenced, which is inconvenient in some application occasions and influences the printing efficiency

Disclosure of Invention

The utility model aims at providing a beat the direct thermal printer that drops of printing paper.

In order to realize the purpose of the utility model, the utility model provides a thermal printer of flip-chip paper cutter, which comprises a casing, a thermal sensitive sheet and a rubber roller, wherein the thermal sensitive sheet and the rubber roller are arranged in the casing, the thermal sensitive sheet and the rubber roller are arranged oppositely, a paper feeding channel is formed between the thermal sensitive sheet and the rubber roller, and the paper feeding channel is provided with a paper outlet; the thermal printer is provided with a paper cutter device at a paper outlet, the paper cutter device comprises a cutter shell, a cutter driving device, a main cutter and an auxiliary cutter, the cutter shell is provided with a through hole in a penetrating manner, the through hole is communicated with the paper outlet, the cutter driving device, the main cutter and the auxiliary cutter are arranged in the cutter shell, the auxiliary cutter is arranged below the through hole, the main cutter is arranged above the through hole, the main cutter and the auxiliary cutter are oppositely arranged, and the cutter driving device drives the main cutter to move towards or away from the auxiliary cutter; the cutter shell is provided with a falling hollow part at the outer side of the auxiliary cutter and below the through hole.

The paper cutter device comprises a cutter support, a paper cutting opening is formed in the cutter support in a penetrating mode, the paper cutting opening is located in the opening, the paper cutting opening is communicated with the paper outlet, an auxiliary cutter is fixedly arranged on the cutter support and located below the paper cutting opening, and a main cutter is movably arranged on the cutter support and located above the paper cutting opening.

The paper cutter device further comprises a guide bracket, wherein the guide bracket is provided with a transverse guide plate and a longitudinal support plate; the cutter support is provided with a connecting part at the position of the auxiliary cutter, the longitudinal support plate is fixedly connected with the connecting part, and the transverse guide plate is connected with the shell.

The further proposal is that the cutter shell is provided with a guide inclined plane at the gap, the transverse guide plate is positioned at the lower side of the gap, and the guide inclined plane is positioned at the upper side of the gap.

Further, the guide inclined surface is provided with guide ribs extending in the paper feeding direction of the paper feeding path.

The further proposal is that the lower end part of the cutter shell is provided with a clamping block, the lower side of the rubber roll of the shell is provided with a clamping groove, and the clamping block is clamped with the clamping groove.

The beneficial effects of the utility model are that, through the paper cutter device of flip-chip, specifically set up cutter drive arrangement and main sword in the top of crossing, and vice sword sets up in the below of crossing, and be provided with the fretwork portion that drops in the below of crossing, make from the last main sword that down moves when realizing the cut paper towards vice sword removal, beat printing paper after cutting off and can directly drop from the fretwork portion that drops smoothly, unblock the exit slot, no longer need the manual work to take away printing paper away, be favorable to improving printing efficiency. And, connect the paper cutter device on the body steadily through the guide bracket, especially with guide bracket and cutter support fixed connection, and the location cooperation of fixture block and draw-in groove for the position of main sword and vice sword is relatively fixed, improves cut paper stability, and utilizes horizontal guide board, guide inclined plane to the guide of printing paper feed, improves the stability of paper feed, cut paper and separation.

Drawings

Fig. 1 is a structural view of an embodiment of the thermal printer of the present invention.

Fig. 2 is an exploded view of an embodiment of the thermal printer of the present invention.

Fig. 3 is a structural view of a paper cutter device in an embodiment of the thermal printer of the present invention.

Fig. 4 is a structural view of a guillotine device in another view in an embodiment of the thermal printer of the present invention.

Fig. 5 is an exploded view of a guillotine device in an embodiment of the thermal printer of the present invention.

Fig. 6 is a structural view of a thermal printer according to an embodiment of the present invention.

Fig. 7 is a structural view of a thermal printer according to an embodiment of the present invention.

Fig. 8 is a partial cross-sectional view of an embodiment of the thermal printer of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, the thermal printer 1 may be a thermal printer using a receipt printer, that is, a printing paper with a special coating, and the thermal printer 1 may also be a thermal transfer printer, that is, a thermal printer using a thermal transfer ribbon and a general printer, and the present embodiment is mainly described with respect to a thermal printer such as a thermal transfer printer, and the guillotine device 2 is provided in a manner capable of adapting to a receipt printer and a thermal transfer printer.

The thermal printer 1 (thermal transfer printer) comprises a shell, a thermal transfer printer core 3 and a paper cutter device 2 which are arranged in the shell, the shell comprises a base 11 and a cover 12 which are hinged with each other, a printing paper bin 13 is arranged in the base 11, the printing paper bin 13 is positioned on one side of the thermal transfer printer core 3, the printing paper bin 13 is used for placing printing paper, the thermal transfer printer core 3 comprises a base 32, a carbon belt frame 31, a rubber roller 321, a thermal sensitive component and a carbon belt roller component, the base 32 is fixedly arranged on the base 11, the carbon belt frame 31 is arranged on the cover 12, after the cover 12 is opened, the base 32 is separated from the carbon belt frame 31, after the cover 12 is closed, the carbon belt frame 31 is positioned above the base 32, the rubber roller 321 is rotatably arranged on the base 32, the thermal sensitive component and the carbon belt roller component are arranged on the carbon belt frame 31, the thermal sensitive component is positioned below the carbon belt roller component, a thermal sensitive, the heat-sensitive sheet 33 and the rubber roller 321 are oppositely arranged, a paper feeding channel is formed between the heat-sensitive sheet 33 and the rubber roller 321, and the paper feeding channel is provided with a paper outlet 10 (see fig. 8).

Referring to fig. 3 to 5, the cutter device 2 is provided at the paper outlet 10, and the cutter device 2 includes a cutter housing 21, a cutter holder 251, a cutter driving device 254, a main cutter 252, and a sub-cutter 253 guide holder 24. The cutter housing 21 is provided with an opening 255 through, the opening 255 is communicated with the paper outlet 10, and the cutter holder 251 is disposed in the cutter housing 21.

The cutter support 251 is provided with a paper cutting opening 255 in a penetrating manner, the paper cutting opening 255 is located at the position of the paper passing opening 255, the paper cutting opening 255 is communicated with the paper outlet 10, the cutter driving device 254, the main cutter 252 and the auxiliary cutter 253 are all arranged on the cutter support 251, the auxiliary cutter 253 is located below the paper cutting opening 255, the main cutter 252 is movably arranged above the paper cutting opening 255, the main cutter 252 and the auxiliary cutter 253 are oppositely arranged, the cutter driving device 254 drives the main cutter 252 to move towards or away from the auxiliary cutter 253, and then corresponding paper cutting and resetting are achieved. There are many ways for the cutter drive 254 to drive the main cutter 252, including a screw, gear or flat wheel, among many other conventional ways.

The cutter housing 21 is provided with a falling hollow portion 214 outside the sub-cutter 253 and below the through hole 255, and when the cut paper is completed, the cut paper falls from the falling hollow portion 214 without blocking the paper outlet. The guide bracket 24 is provided with a transverse guide plate 242 and a longitudinal support plate 241, the cutter bracket 251 is provided with a connecting part 256 at the position of the auxiliary cutter 253, the longitudinal support plate 241 is fixedly connected with the connecting part 256, the transverse guide plate 242 is connected with the machine shell, the transverse guide plate 242 is positioned at the lower side of the through hole 255, the transverse guide plate 242 is communicated between the through hole 255 and the paper outlet 10, the cutter shell 21 is provided with a guide inclined surface 231 at the through hole 255, the guide inclined surface 231 is positioned at the upper side of the through hole 255, the guide inclined surface 231 is provided with a plurality of guide ribs arranged in parallel, and the guide ribs extend along the paper feeding direction of the paper feeding. A latch 213 is provided at the lower end of the cutter housing 21, a catch 111 is provided at the lower side of the rubber roller 321 of the base 11, and when the guillotine device 2 is fixedly mounted on the base 11, the latch 213 is engaged with the catch 111 and is fixedly connected to the base 11 through the lateral guide plate 242.

The thermal printer 1 further comprises a carbon fiber woven mesh 211 and a mounting frame 222, the carbon fiber woven mesh 211 can be used for static electricity removal, the mounting frame 222 is provided with a mounting groove along the width direction of the paper feeding channel, the mounting groove is transversely penetratingly provided with a mounting opening, the carbon fiber woven mesh 211 is transversely inserted into the mounting groove from the mounting opening and mounted in the mounting groove, so that the carbon fiber woven mesh 211 is arranged along the extending direction of the paper cutting opening 255, the mounting groove is provided with an opening towards the opening 255, namely the opening is arranged downwards, so that the carbon fiber woven mesh 211 is exposed at the opening, for the mounting of the carbon fiber woven mesh 211, the cutter housing 21 is provided with positioning grooves 212 at the upper side of the opening 255, the positioning grooves 212 are positioned at the two transverse sides of the opening 255, the mounting frame 222 is erected in the positioning grooves 212, the mounting frame 222 is connected with the cutter support 251, the carbon, and is located above the falling hollow portion 214, and the carbon fiber mesh 211 is located on the outer side of the main blade 252. When the printing paper is cut by the cutter, static electricity is easily generated, so the static electricity can be removed through the carbon fiber woven mesh 211, and then the printing paper is smoothly separated and falls off.

Referring to fig. 6 to 8, a thermal tape frame 31 is disposed on the cover 12, a thermal sensitive component and a thermal tape roller component are both disposed on the thermal tape frame 31, the thermal tape roller component is disposed above the thermal sensitive component, the thermal tape roller component comprises a recovered carbon tape shaft 36 and a to-be-printed carbon tape shaft 37, the recovered carbon tape shaft 36 and the to-be-printed carbon tape shaft 37 are both rotatably disposed on the thermal tape frame 31, the thermal sensitive component comprises a thermal sensitive bracket 32, a thermal sensitive sheet 33 and a thermal tape flattening shaft 35, the thermal sensitive sheet 33 is disposed on the thermal sensitive bracket 32, the thermal sensitive sheet 33 is disposed opposite to the rubber roller 321, the thermal sensitive bracket 32 is provided with an installation groove 322 at an edge portion, the installation groove 322 is disposed at a rear side of the thermal sensitive sheet 33 based on a paper feeding channel, the installation groove 322 is provided with installation portions 321 at both sides, the installation portions 321 are provided with positioning holes, the positioning posts are respectively disposed at both axial ends of the, and then the carbon ribbon flattening shaft 35 can be rotatably arranged in the mounting groove 322, and the carbon ribbon flattening shaft 35 extends along the width direction of the paper feeding channel.

The thermal sensitive support 32 is provided with a guide block 34 on the lower end surface between the thermal sensitive sheet 33 and the ribbon flattening shaft 35, the guide block 34 is obliquely arranged along the paper feeding channel, specifically, the guide block 34 is inclined from the middle of the paper feeding channel to both sides of the width direction, the middle of the guide block 34 is close to the ribbon flattening shaft 35, both ends of the guide block 34 are far away from the ribbon flattening shaft 35, in addition, the guide block 34 is arranged in a segmented manner, and each segment of the guide block 34 is provided with a multi-segment slot.

As can be seen from fig. 8, the thermal transfer printer further includes a paper detection module 322 disposed in the paper feeding path, the paper detection module 322 is disposed on the base 32, the paper detection module 322 is located between the ribbon flattening shaft 35 and the printing paper bin 13, and the ribbon flattening shaft 35 is located at a position between the thermal sheet 33 and the printing paper bin 13, and in a projection in the vertical direction, the projection of the ribbon flattening shaft 35 is located between the projection of the recovered ribbon shaft 36 and the projection of the to-be-printed ribbon shaft 37.

During printing and imaging, printing paper in the printing paper bin 10 enters a paper feeding channel between the thermal sensitive sheet 33 and the rubber roller 321 through the clamping block and the paper detection module 322, a carbon ribbon is output from a carbon ribbon shaft 37 to be printed, passes through the carbon ribbon flattening shaft 35 and then enters the paper feeding channel between the thermal sensitive sheet 33 and the rubber roller 321, the carbon ribbon is located above the printing paper, printing of patterns can be achieved, and finally the carbon ribbon is recovered and wound by the recovered carbon ribbon shaft 36 after being output from the paper feeding channel. The printing paper is output from the paper output port 10 toward the paper cutting port, and then can be cut by the paper cutter device 2 and the generated static electricity can be removed by the carbon fiber woven mesh 211, eventually dropping from the dropping hollowed-out portion 214.

From top to bottom, through the paper cutter device of flip-chip, specifically set up cutter drive arrangement and main sword in the top of crossing, and vice sword sets up in the below of crossing, and be provided with the fretwork portion that drops in the below of crossing, make from last main sword that down moves towards vice sword when realizing the cut paper, beat printing paper after the cutting off and can directly drop from the fretwork portion that drops smoothly, do not block up the exit slot, no longer need the artifical beat printing paper of takakoff away and drop, be favorable to improving printing efficiency. And, connect the paper cutter device on the body steadily through the guide bracket, especially with guide bracket and cutter support fixed connection, and the location cooperation of fixture block and draw-in groove for the position of main sword and vice sword is relatively fixed, improves cut paper stability, and utilizes horizontal guide board, guide inclined plane to the guide of printing paper feed, improves the stability of paper feed, cut paper and separation.

And, because under the interact of heat-sensitive piece, carbon ribbon, cutter, rubber roll and washing mark, produce static easily, make taking the printing paper of static adsorb easily on main sword or vice sword, and remove static through the carbon fiber mesh grid who sets up in the mouth top, can siphon away the static of carbon ribbon and paper, various printing consumptive material, can avoid washing on printing substrates such as mark adsorb the cutter, beat printing paper and directly drop after cutting off, use more conveniently. In addition, to the installation of carbon fiber woven mesh, the accessible mounting bracket carries out easy to assemble, and through carbon fiber woven mesh and cutter leg joint, can improve the static performance that removes.

In addition, through the rotatable setting of carbon ribbon exhibition flat axle at the temperature sensing support for the carbon ribbon can get into the paper feed passageway through the guide of carbon ribbon exhibition flat axle, then prints on beating printing paper under the effect of temperature sensing piece and carbon ribbon, because rotatable setting, and the carbon ribbon exhibition flat axle straightness is good, makes the walking of carbon ribbon more smooth, and the normal running fit guide of pivot, can prevent that the carbon ribbon from warping, thereby effectively improves printing stability. In addition, can make the carbon ribbon exhibition flat axle more steadily rotate through setting up the mounting groove, and the setting of guide block is favorable to the exhibition of carbon ribbon to walk to and through the position setting of carbon ribbon exhibition flat axle, be favorable to the atress of carbon ribbon effectively to prevent the tensile deformation of carbon ribbon on average, thereby improve the printing quality of thermal transfer printing further, improved the carbon ribbon and walked and print the fold phenomenon easily.

Claims (6)

1. A thermal printer with a paper cutter reversely mounted comprises a shell, a thermal sensitive sheet and a rubber roller, wherein the thermal sensitive sheet and the rubber roller are arranged in the shell, the thermal sensitive sheet and the rubber roller are oppositely arranged, a paper feeding channel is formed between the thermal sensitive sheet and the rubber roller, and the paper feeding channel is provided with a paper outlet;

the method is characterized in that:

the thermal printer is characterized in that a paper cutter device is arranged at the paper outlet and comprises a cutter shell, a cutter driving device, a main cutter and an auxiliary cutter, a through opening is formed in the cutter shell in a penetrating mode, the through opening is communicated with the paper outlet, the cutter driving device, the main cutter and the auxiliary cutter are arranged in the cutter shell, the auxiliary cutter is arranged below the through opening, the main cutter is arranged above the through opening, the main cutter and the auxiliary cutter are arranged oppositely, and the cutter driving device drives the main cutter to move towards or away from the auxiliary cutter;

the cutter shell is arranged on the outer side of the auxiliary cutter and is provided with a falling hollow part below the through hole.

2. The thermal printer according to claim 1, wherein:

the paper cutter device comprises a cutter support, a paper cutting opening is formed in the cutter support in a penetrating mode, the paper cutting opening is located at the position of the paper passing opening, the paper cutting opening is communicated with the paper outlet, the auxiliary cutter is fixedly arranged on the cutter support and located below the paper cutting opening, and the main cutter is movably arranged on the cutter support and located above the paper cutting opening.

3. The thermal printer according to claim 2, wherein:

the paper cutter device also comprises a guide bracket, and the guide bracket is provided with a transverse guide plate and a longitudinal support plate;

the cutter support is provided with a connecting part at the position of the auxiliary cutter, the longitudinal support plate is fixedly connected with the connecting part, and the transverse guide plate is connected with the shell.

4. The thermal printer according to claim 3, wherein:

the cutter shell is arranged at the position of the through hole and is provided with a guide inclined plane, the transverse guide plate is positioned on the lower side of the through hole, and the guide inclined plane is positioned on the upper side of the through hole.

5. The thermal printer according to claim 4, wherein:

the guide inclined plane is provided with a guide rib, and the guide rib extends along the paper feeding direction of the paper feeding channel.

6. The thermal printer according to any one of claims 1 to 5, wherein:

the lower end of the cutter shell is provided with a clamping block, the lower side of the rubber roll is provided with a clamping groove, and the clamping block is clamped with the clamping groove.