CN215153206U - Wrong question printer - Google Patents

Abstract

The utility model relates to a wrong examination paper printer, wrong examination paper printer inside is provided with the temperature sensing and beats printer head installation pole, temperature sensing and beats printer head, print platform, printer exit slot, printer paper feed mouth set up both ends about wrong examination paper printer respectively, printer paper feed mouth is provided with paper feed conveyor roller group by interior one side, printer exit slot is provided with paper delivery roller group by interior one side, and the volume of whole printing mechanism and printer is littleer, the quality is lighter, and the student of being convenient for carries the use.

Description

Wrong question printer

Technical Field

The utility model relates to a wrong examination paper printer and wrong examination paper document are printed and are accomodate arrangement integration solution belongs to the thermal printer field.

Background

Thermal printer wide application in supermarket, market, telecommunications, fields such as hospital, adopt the thermal roll paper to print the transaction voucher as print media for client, the thermal paper is by the body paper, the undercoat, the thermal coating, the protective layer stacks gradually and forms, continuous thermal paper twines forms the thermal roll paper on the core section of thick bamboo, current thermal printer uses occasionally a great deal of inconvenience at mr of school and student, firstly, the volume is great, inconvenient student carries, the paper of printing out is all comparatively curly, it is comparatively inconvenient when the student uses, secondly, do not have one kind can comparatively conveniently cooperate the printer to accomodate the device of arrangement, for example, arrange the wrong problem, lose easily when doing the memo.

The utility model discloses screen the shortcoming of current printer and thermal paper on the except market, and combine student's in service behavior, the teacher and student have been visited by the way, and according to school student and head of a family's demand, provide a wrong problem printer and wrong problem document printing of being convenient for the student to use and accomodate arrangement integration solution, thermal printer to current structure carries out the optimal design, retrench to the printer, get rid of the printer and join in marriage built-in storehouse, with the folding printing paper of traditional common thermal roll paper replacement for, the packing carton that directly adopts former printer is as the paper feeding box of printer, provide a supporting slash pocket formula loose-leaf book simultaneously, make things convenient for the student to accomodate the arrangement after printing the completion, be convenient for student and teacher's use more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wrong problem printer and wrong problem document are printed and are accomodate arrangement integration solution, the volume of whole printing mechanism and printer is littleer, the quality is lighter, it uses to be convenient for the student to carry, adopt foldable beat printing paper, it is more level and smooth to print the paper when going out paper, it is originally on to use wrong problem loose-leaf when studying arrangement wrong problem to be convenient for the student, and adopt external paper feed mode, and the packing carton that will beat printing paper unites two into one with the paper feeding box, the cost is practiced thrift in the environmental protection more, and change current market and paste to accomodate or punch the mode of binding wrong problem arrangement more and more renew to adopting pocket loose-leaf this method, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a wrong question document printing, storing and arranging integrated solution comprises the following steps:

the first step is as follows: scanning a two-dimensional code on a printer specification, downloading an APP by a mobile phone, and installing and registering;

the second step is that: opening the paper feeding box through the upper cover of the paper feeding box, and drawing out the folded thermal sensitive printing paper in the paper feeding box from the paper outlet of the paper feeding box to be connected to the paper inlet of the printer of the wrong-question printer;

the third step: closing an upper cover of a paper feeding box on the paper feeding box, starting a printer switch, connecting a wrong-question printer through an APP, selecting printing contents through mobile phone control, and starting the wrong-question printer to print wrong questions;

the fourth step: arranging the single pages taken out from the paper outlet of the printer after printing is finished, and placing the single pages in the loose-leaf insert pockets of the insert pocket type loose-leaf notebook according to personal needs in a classified manner;

the fifth step: marks are marked on the paging marking cards arranged on the side faces of the pocket type loose-leaf notebook, so that review and checking are facilitated.

As a further improvement, the paper feeding box is a packaging box for folding thermal printing paper, a paper feeding box outlet is arranged on one side of the paper feeding box, and the paper feeding box is covered with a magnetic block fixedly connected with the paper feeding box.

As a further improvement, the pocket-type loose-leaf notebook comprises a wrong-answer-book loose-leaf cover, an index page, a printing paper storing loose-leaf, and a loose-leaf label card, wherein the index page, the printing paper storing loose-leaf are movably bound inside the wrong-answer-book loose-leaf cover, and the loose-leaf label card is fixedly connected to the side position of the printing paper storing loose-leaf.

As a further improvement, the wrong problem book loose-leaf cover is made by stereoplasm PVC material, beat printing paper and deposit fixedly connected with loose-leaf slash pocket on the loose-leaf, beat printing paper and deposit loose-leaf, loose-leaf slash pocket and make by transparent PP material.

As a further improvement of the utility model, foldable thermal printer paper is thermal printer paper, foldable thermal printer paper is the folding setting of "Z" style of calligraphy multilayer, be provided with the thermal coating on foldable thermal printer paper's the face of printing, the broken line fixed connection through the dotted line setting between the adjacent foldable thermal printer paper.

The utility model provides a wrong examination paper printer, wrong examination paper printer inside is provided with temperature sensing and beats printer head installation pole, temperature sensing and beats printer head, print platform, printer exit slot, printer paper feed mouth set up both ends about wrong examination paper printer respectively, printer paper feed mouth is provided with paper feed conveying roller set by interior one side, printer exit slot is provided with paper delivery roller set by interior one side, print platform sets up between paper delivery roller set, paper feed conveying roller set.

As a further improvement, the thermal print head mounting rod is fixedly connected to the inner wall of the top of the error printer, the thermal print head is fixedly connected to the bottom of the thermal print head mounting rod, and the thermal print head is arranged above the printing platform.

As a further improvement, the wrong-question printer side is provided with printer switch, the wrong-question printer sets up to thermal printer.

As a further improvement, the inside wireless network module that is provided with of wrong problem printer, go out paper conveying roller set, paper feed conveying roller set and be the setting in groups.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. compared with the conventional error problem arrangement mode commonly used by students, the folding paperback thermal printing paper is firstly applied to the error problem printing industry of students, and the collection and arrangement of the pocket-inserting loose-leaf notebook are carried out; the students feel more convenient and save the arrangement time, and the paperback paper is more convenient to read; the pocket type loose-leaf is highly transparent, the front side and the back side can be seen, printed questions or answers are analyzed after printing is finished, the printed questions or answers are inserted into the loose-leaf pocket, and the storage, the arrangement and the reading are very convenient; the printing method uses the folding flat-packed thermal sensitive paper to replace the prior market roll-type thermal sensitive paper, changes the prior roll-type paper feeding box and the printer into an integral body which is heavy, changes an external paper feeding mode, has one box with multiple purposes for the printer packaging box, can place thermal sensitive folding printing paper after the printer is taken out, is used as the paper feeding box, combines the printer packaging box and the paper feeding box into a whole, advocates an environmental protection and saving idea, changes the prior market glue pasting, containing or punching, binding and finishing mode, and updates the mode of adopting a bag-inserting loose-leaf book for finishing;

2. the volume of whole print mechanism and wrong problem printer is littleer, the quality is lighter, the student of being convenient for carries the use, adopt foldable beat printing paper, it is more level and more smooth to print the paper when going out the paper, the student of being convenient for uses the wrong problem loose-leaf originally when studying the arrangement wrong problem, and adopt external paper feed mode, and will beat the packing carton of printing paper and feed carton unite two into one, the cost is practiced thrift in the environmental protection more, and change the mode that current market was pasted with glue and is accomodate or punch and bind the wrong problem arrangement and update to adopting the slash pocket loose-leaf this method, the operation is more simple and convenient, the student of being convenient for reviews the use, it is more convenient to use the slash pocket loose-leaf originally and the cooperation of wrong problem printer.

Drawings

The accompanying drawings 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 invention and not to limit the invention.

FIG. 1 is a schematic diagram of the problem printer and the problem document printing, storing and arranging integrated solution of the present invention.

FIG. 2 is the utility model relates to a wrong problem printer and wrong problem document are printed and are accomodate arrangement integration solution and do not have paper feed box structure chart.

FIG. 3 is a schematic diagram of the present invention when the paper feeding box of the solution for printing, storing and arranging the wrong document is closed.

FIG. 4 is a schematic diagram of the internal structure of the error printer of the present invention.

Fig. 5 is a front view structure diagram of the paper feeding box of the wrong-question printer and the wrong-question document printing, storing and arranging integrated solution of the utility model.

Figure 6 is the utility model relates to a wrong problem printer and wrong problem document print accomodate arrangement integration solution pocket type loose-leaf book layering assembly structure chart.

Figure 7 is the utility model discloses a wrong problem printer and wrong problem document print accomodate arrangement integration solution pocket type loose-leaf notebook after the assembly structure picture.

Fig. 8 is the utility model discloses a wrong problem printer and wrong problem document print accomodate arrangement integration solution foldable thermal printer paper structure picture.

Figure 9 is the utility model discloses a wrong problem printer and wrong problem document print accomodate arrangement integration solution foldable thermal printer paper expand back structure picture.

Reference numbers in the figures: 1. a wrong-question printer; 2. folding thermal printing paper; 3. feeding a paper box; 4. an upper cover of the paper feeding box; 5. a printer paper feed port; 6. a printer switch; 7. a power switch; 8. a printer paper outlet; 9. a magnetic block; 10. a paper outlet of the paper feeding box; 11. a thermal print head mounting bar; 12. a thermal print head; 13. a paper delivery conveying roller set; 14. a paper feed conveying roller group; 15. a printing platform; 16. a pocket-inserting loose-leaf notebook; 17. an index page; 18. wrong exercise book loose-leaf cover; 19. storing loose-leaf printing paper; 20. paging marking cards; 21. inserting loose-leaf bags; 22. a first printing sheet; 23. a second printing paper; 24. and a third printing paper.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as the limitation of the present invention, and in addition, the terms "first", "second" and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

Example 1

A problem-missing document printing, storing and arranging integrated solution specifically comprises the following steps:

the first step is as follows: scanning a two-dimensional code on a printer specification, downloading an APP by a mobile phone, and installing and registering;

the second step is that: opening the paper feeding box 3 through the paper feeding box upper cover 4, and drawing the folding thermal printing paper 2 in the paper feeding box 3 out of the paper feeding box paper outlet 10 to be connected to the printer paper inlet 5 of the wrong-answer printer 1;

the third step: closing an upper cover 4 of a paper feeding box on a paper feeding box 3, starting a printer switch 6, connecting a wrong-question printer 1 through APP, selecting printing contents through mobile phone control, and starting the wrong-question printer 1 to work to print wrong questions;

the fourth step: arranging the single pages taken out from the paper outlet 8 of the printer after printing is finished, and placing the single pages in the loose-leaf insert pockets 21 of the insert pocket type loose-leaf notebook 16 in a classified manner according to personal needs;

the fifth step: the paging marking card 20 arranged on the side surface of the pocket type loose-leaf notebook 16 is marked, so that review and checking are facilitated.

Paste on wrong question printer 1 or paper feed box 3 and have the two-dimensional code of download connection wrong question printer 1, the inside wireless network module that is provided with of wrong question printer 1, through scanning the two-dimensional code download installation APP with the cell-phone, be connected to the same wireless network with cell-phone and wrong question printer 1 in, can control wrong question printer 1 through the cell-phone this moment, select picture or document in the cell-phone to print, for example, the discovery wrong question is learnt at the study, adopt the cell-phone to shoot, and carry out the thermal printing with this picture that stores wrong question information, make things convenient for the student to be the collection arrangement wrong question at the study, cooperation pocket type loose-leaf notebook 16 uses together, the typewriter paper that will print after having wrong question information puts into loose-leaf pocket 21 inside according to student's own needs and arranges, be convenient for follow-up study review.

As shown in fig. 1-2, in this example, the paper feeding cassette 3 is provided as a packing box of the error printer 1, a paper feeding cassette outlet 10 is opened on one side of the paper feeding cassette 3, and a magnetic block 9 is fixedly connected to the paper feeding cassette upper cover 4.

As shown in fig. 5, the packaging box of the folding thermal printing paper 2 is used as the paper feeding box of the error printer 1, on one hand, the volume and the size of the error printer 1 can be simplified and simplified, the size of the error printer 1 is designed to be smaller, and the folding thermal printing paper is more convenient for students to carry and use, on the other hand, the cost of the paper feeding box can be saved when the error printer 1 is manufactured, the manufacturing cost is effectively saved, and meanwhile, the folding thermal printing paper is more environment-friendly.

As shown in fig. 6 to 7, in this example, the pocket-type loose-leaf notebook 16 is composed of a wrong-page notebook cover 18, an index sheet 17, a printing paper storage loose-leaf 19, and a loose-leaf tab 20, wherein the index sheet 17 and the printing paper storage loose-leaf 19 are movably bound inside the wrong-page notebook cover 18, and the loose-leaf tab 20 is fixedly connected to a side position of the printing paper storage loose-leaf 19.

In this example, the wrong-page cover 18 is made of hard PVC material, the printing paper storing leaflet 19 is fixedly connected with the leaflet inserting pocket 21, and the printing paper storing leaflet 19 and the leaflet inserting pocket 21 are both made of transparent PP material.

The pocket-inserting loose-leaf notebook 16 is composed of a wrong-question book loose-leaf cover 18, an index page 17, a printing paper storage loose-leaf 19 and a loose-leaf label card 20, the index page 17 can be used for making catalogues, the printing paper storage loose-leaf 19 is made of PP materials with high transparency, the loose-leaf inserting bags 21 with holes at the tops are arranged on the front surface and the back surface of the printing paper storage loose-leaf 19, after the wrong questions are printed, the loose-leaf inserting bags 21 with the holes at the tops, arranged on the printing paper storage loose-leaf 19, can be directly placed into the inside of the loose-leaf inserting bags 21 with the holes at the tops, arranged on the printing paper storage loose-leaf 19, for storage and arrangement, the trouble of the conventional common pasting and storage modes of students is eliminated, meanwhile, corresponding wrong-question subjects or wrong-question knowledge point types are marked on the loose-leaf label card of the printing paper storage loose-leaf 19, and arrangement and review are more convenient.

As shown in fig. 8 to 9, in this example, the folding thermal printing paper 2 is thermal printing paper, the folding thermal printing paper 2 is in a "Z" shape multi-layer folding arrangement, a thermal coating is disposed on a printing surface of the folding thermal printing paper 2, and adjacent folding thermal printing paper 2 are fixedly connected by a broken line arranged between them, and the broken line facilitates tearing off the adjacent folding thermal printing paper 2 and separation.

The printing paper of the thermal printer convenient for students to use has the following specific structure: the printing paper comprises a top first printing paper 22, a bottom third printing paper 24 and a second printing paper 23 which is connected with the first printing paper 22 and the bottom third printing paper 24 and is obliquely arranged, the whole body is a cuboid after being folded in multiple layers, continuous conveying printing can be performed during printing conveying, and a single piece of printing paper formed after printing is finished is more flat.

The utility model discloses a beat printing paper that well wrong problem printer 1 used is foldable thermal printing paper, and beat printing paper with the cylinder type commonly used among the prior art and compare, because foldable beat printing paper, the printing paper when going out paper and printing is more level and more smooth, the printing paper that prints at last is convenient for the student more and is using when the arrangement wrong problem, is done the memo, for example be convenient for use in wrong problem loose-leaf book, use when the student of being convenient for more learns.

By adopting the technical scheme: printing the wrong question through wrong question printer 1, adopting external paper feed mode to packing carton and the paper feed box that will beat printing paper unites two into one, and the cost is practiced thrift in the environmental protection more, has effectively retrencied the size of printer, portable, and change the mode that current market was pasted with glue and is accomodate or punch and bind wrong question arrangement and update for adopting the slip-bag loose-leaf this method, operate simple and convenient more, the student of being convenient for reviews the use, cooperation wrong question printer 1 uses more conveniently.

Example 2

As shown in fig. 1-4, a wrong-answer printer, the inside thermal print head installation pole 11, thermal print head 12, the print platform 15 of being provided with of wrong-answer printer 1, printer exit slot 8, printer paper feed inlet 5 set up both ends about wrong-answer printer 1 respectively, printer paper feed inlet 5 is provided with paper feed conveying roller set 14 by interior one side, printer exit slot 8 is provided with paper delivery conveying roller set 13 by interior one side, print platform 15 sets up between paper delivery conveying roller set 13, paper feed conveying roller set 14.

The two-dimensional code for downloading and connecting the wrong-question printer 1 is pasted on the wrong-question printer 1 or the paper feeding box 3, a wireless network module is arranged inside the wrong-question printer 1, the APP is downloaded and installed by scanning the two-dimensional code through a mobile phone, the mobile phone and the wrong-question printer 1 are connected into the same wireless network, at the moment, the wrong-question printer 1 can be controlled through the mobile phone, pictures or documents in the mobile phone are selected for printing, for example, when a wrong question is found during learning, the mobile phone is adopted for shooting, the pictures stored with wrong-question information are subjected to thermal printing, before printing is started, the paper feeding box 3 is opened through the paper feeding box upper cover 4, the folding thermal printing paper 2 inside the paper feeding box 3 is pulled out from the paper feeding box outlet 10 to the printer paper feeding inlet 5 connected to the wrong-question printer 1, when printing is started, the folding thermal printing paper 2 comes out from the paper feeding box outlet 10 to enter the printer paper feeding inlet 5, the thermal printing paper 2 is transported to a printing platform 15 by a paper feeding transport roller group 14, then the thermal printing head 12 prints the folded thermal printing paper, and after printing, the paper is sent out from the inside of the error printer 1 from the paper outlet 8 of the printer under the action of a paper outlet transport roller group 13.

In this embodiment, the thermal head mounting rod 11 is fixedly connected to the inner wall of the top of the error printer 1, the thermal head 12 is fixedly connected to the bottom of the thermal head mounting rod 11, and the thermal head 12 is disposed above the printing platform 15.

The thermal printer paper 2 is printed by the thermal head 12.

In this embodiment, the side of the error printer 1 is provided with a printer switch 6 and a power switch 7, and the error printer 1 is a thermal printer.

The printer switch 6 is of a push-button type, and the power switch 7 is used for controlling the switching of the whole circuit.

In this embodiment, a wireless network module is provided inside the error printer 1, and the paper output transport roller group 13 and the paper input transport roller group 14 are all provided in a group.

The paper output conveying roller group 13 and the paper input conveying roller group 14 are respectively composed of a driving roller and a driven roller which are arranged in groups, wherein the driving roller is connected with a driving motor or a micro motor in a transmission manner, the driving roller is driven to rotate by the driving motor or the micro motor, and the driving roller drives the driven roller to rotate while rotating, so that the rotating transportation of the whole roller group is realized.

Further, inside controller and bluetooth module and the USB connecting device of being provided with of printer, can realize through being connected of bluetooth and cell-phone or the interconnection control through data line and computer, the utility model provides a wrong problem printer 1 is when using, at first connects wrong problem printer 1 through cell-phone or computer, selects the content that will print, through the inside play paper conveying roller set 13 of wrong problem printer 1, paper feed conveying roller set 14 carries printing paper, when beating printing paper and carrying to print platform 15 on, print through control thermal printer head 12, the heating dot matrix of the different positions of controller control inside the printer generates heat and forms on thermal printer paper and prints the content, after printing the completion, the paper after printing the completion is seen off from printer exit slot 8, accomplishes the printing to the sola paper.

When a plurality of sheets of paper need to be continuously printed, the required paper content is calculated according to an internal controller, for example, three single-page folded printing paper is needed, after the three pieces of printing paper are printed by the method, the three pieces of printing paper are sent out every time one single-page folded printing paper is printed, the printed paper is sent out from the paper outlet 8 of the printer through the paper outlet conveying roller group 13, and then the printed paper is separated by the broken lines arranged between the adjacent folded thermal printing paper 2, so that the printing of the plurality of continuous sheets of paper is completed.

In this embodiment, 2 tops of printer upper cover are provided with shift knob 3, 2 sides of printer upper cover are provided with switch 4, be provided with exit slot 5 on the printer casing 1 leading flank, just print platform 13 is connected to exit slot 5.

The utility model provides a wrong problem printer 1 has two points with the common printer main difference among the prior art: firstly, a paper feeding box or a paper box is not arranged in the wrong-question printer 1, but a packing box of printing paper is directly adopted as the paper feeding box 3 of the printer, so that the paper feeding box space which is originally arranged in the printer is saved, the size of the printer is effectively reduced, the volume of the printer is reduced, and the wrong-question printer is smaller in volume, more portable and convenient to use; second, printing paper that this thermal printer used is printing paper for foldable beating printing paper, and cylinder printing paper commonly used among the prior art compares, because foldable beating printing paper, the printing paper when going out paper and printing is more level and more smooth, the printing paper that prints at last is convenient for student or mr more and is using when the arrangement wrong question, is the memo, is convenient for use in the wrong question loose-leaf book, uses when the student of being convenient for more learns.

By adopting the technical scheme: according to school's student and the head of a family's demand, provide a thermal printer and beat printing paper convenient to student uses, carry out the optimal design to the thermal printer of current structure, retrench the printer, install most parts on the lower casing of printer, get rid of the printer and join in marriage the built-in storehouse of taking, replace the common temperature sensing web roll of tradition for foldable beat printing paper to there is one set of structure that is applicable to the foldable structure of beating printing paper to print, the student of being convenient for more, head of a family and mr use.

Example 3

Compared with the existing error problem arrangement mode commonly used by students, the error problem printer and the error problem document printing, storing and arranging integrated solution apply the folding paperback thermal printing paper to the student error problem printing industry for the first time and push the storing and arranging of the pocket-type loose-leaf book; the students feel more convenient and save the arrangement time, and the paperback paper is more convenient to read; the pocket type loose-leaf is highly transparent, the front side and the back side can be seen, printed questions or answers are analyzed after printing is finished, the printed questions or answers are inserted into the loose-leaf pocket 21, and the storage, the arrangement and the reading are convenient; according to the printing method, the folding flat-packed thermal sensitive paper replaces the existing market roll type thermal sensitive paper, the situation that the existing roll type paper feeding box and a printer are heavy integrally is changed into an external paper feeding mode, one box of the printer packaging box is multipurpose, after the printer is taken out, thermal sensitive folding printing paper can be placed to be used as the paper feeding box 3, the printer packaging box and the paper feeding box 3 are combined into one, the environment-friendly saving idea is promoted, the existing market glue pasting, containing or punching, binding and arranging modes are changed, and the mode that the bag inserting type loose-leaf book 16 is updated to be used for arranging is changed.

It should be noted that, the utility model relates to a wrong problem printer and wrong problem document are printed and are accomodate arrangement integration solution, the volume of whole printing mechanism and wrong problem printer is littleer, the quality is lighter, the student of being convenient for carries the use, adopt foldable beat printing paper, it is more level and more smooth to print the paper when going out the paper, be convenient for the student use the wrong problem loose-leaf originally when studying the arrangement wrong problem, and adopt external paper feed mode, and the packing carton that will beat printing paper unites two into one with paper feed box 3, the cost is practiced thrift in environmental protection more, and change the mode that current market was pasted with glue and is accomodate or punch the wrong problem arrangement and more renew to adopt the pocket loose-leaf this method, the operation is more simple and convenient, the student of being convenient for reviews the use, it is more convenient to cooperate wrong problem printer 1 to use.

The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. A wrong-answer printer, comprising: the error printer (1) is internally provided with a thermal printing head mounting rod (11), a thermal printing head (12) and a printing platform (15), the printer paper outlet (8) and the printer paper inlet (5) are respectively arranged at the left end and the right end of the wrong-question printer (1), a paper feeding and conveying roller set (14) is arranged at one side of the paper feeding port (5) of the printer close to the inner side, a paper outlet conveying roller set (13) is arranged at one side of the paper outlet (8) of the printer close to the inner side, the printing platform (15) is arranged between the paper outlet conveying roller group (13) and the paper inlet conveying roller group (14); the thermal printing head mounting rod (11) is fixedly connected on the inner wall of the top of the error printer (1), the thermal printing head (12) is fixedly connected to the bottom of the thermal printing head mounting rod (11), the thermal print head (12) is arranged above the printing platform (15).

2. The error printer of claim 1, wherein: the side surface of the error printer (1) is provided with a printer switch (6) and a power switch (7), and the error printer (1) is a thermal printer.

3. The error printer of claim 1, wherein: the wrong problem printer (1) is internally provided with a wireless network module, and the paper outlet conveying roller group (13) and the paper inlet conveying roller group (14) are arranged in groups.

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