Printing apparatus and terminal device

Abstract

The utility model belongs to the technical field of printing equipment, and discloses a printing device and terminal equipment. The printing device comprises a control module, a paper feeding module, a printing module, a colored tape module and a cutter module, the paper feeding module comprises a paper feeding assembly and two first side plates, the paper feeding assembly is arranged between the two first side plates and fixed to the rear ends of the first side plates, and the control module is arranged between the two first side plates and located below the paper feeding assembly; the printing module is fixed at the front end of the first side plate; the ribbon module is arranged and fixed at the front end of the printing module; the cutter module is located at the front end of the ribbon module and rotationally connected with the printing module, a tension spring is arranged between the cutter module and the first side plate, and the cutter module abuts against the printing module under the action of the tension spring. According to the utility model, the structure is simple, the material cost is saved, and the assembly difficulty is reduced; the color tape can be quickly replaced, the operation is simple and reliable, professional tools are not needed, and the maintenance cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of printing equipment technology, and in particular to a printing device and terminal equipment. Background Technology

[0002] Ticket printing devices can be used independently or integrated into terminals such as payment machines or ticket vending machines. Among these, the flat-push paper feeding method is more widely used in payment machines and ticket vending machines due to its low paper jam rate. Existing ticket printing devices generally include a frame and a control module, paper feeding unit, printing unit, cutter, and ribbon mounted on the frame. These components are numerous, and their structural layout when assembled onto the frame presents challenges in terms of space requirements, ribbon replacement is inconvenient, the structure is complex, and maintenance costs are high. Utility Model Content

[0003] The purpose of this invention is to provide a printing device and terminal equipment to solve the problems of complex structure and high maintenance costs.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] Printing apparatus, including:

[0006] Control module;

[0007] The paper feeding module includes a paper feeding assembly and two first side plates. The two first side plates are arranged at intervals along the vertical direction and are parallel to each other. The paper feeding assembly is located between the two first side plates and fixed to the rear end of the first side plates. The control module is located between the two first side plates and below the paper feeding assembly.

[0008] A printing module is disposed at the front end of the paper feeding module and fixed to the front end of the first side plate;

[0009] A ribbon module, wherein the ribbon module is disposed and fixed at the front end of the printing module;

[0010] A cutting module is located at the front end of the ribbon module and is rotatably connected to the printing module. A tension spring is provided between the cutting module and the first side plate, and the cutting module abuts against the printing module under the action of the tension spring.

[0011] In some embodiments, the bottom plate of the control module is flush with the bottom ends of the two first side plates, and the two sides of the bottom plate abut against the two first side plates.

[0012] In some embodiments, the printing module comprises an upper clamp plate and a lower clamp plate, the upper clamp plate and the lower clamp plate are arranged in a spaced-apart manner to form a paper feeding channel, the rear ends of the lower clamp plate and the upper clamp plate are V-shaped, and the front end of the lower clamp plate extends to the rear end of the cutter module.

[0013] In some embodiments, the printing module is provided with a second side plate on each side, the bottom of each of the two second side plates is connected to the first side plate, and the lower clamp plate and the upper clamp plate are fixed on the second side plate.

[0014] In some embodiments, the bottom of each of the two second side plates is provided with a first limiting portion and a second limiting portion extending forward, the opposite inner side of the first limiting portion is provided with a rotating shaft, the cutter module is rotatably mounted on the rotating shaft, and the two sides of the cutter module abut against the first limiting portion, and the rear end of the cutter module abuts against the second limiting portion under the action of the tension spring.

[0015] In some embodiments, the two sides of the front end of each of the two second side plates are respectively provided with a spring piece, and the ribbon module is elastically clamped between the two spring pieces.

[0016] In some embodiments, the two sides of the ribbon module are provided with a limiting groove, and the spring piece is clamped in the limiting groove.

[0017] In some embodiments, the two sides of the front end of each of the two second side plates are respectively provided with a positioning portion, the positioning portion is arranged in a spaced-apart manner with the spring piece, and the rear end of the ribbon module abuts against the positioning portion.

[0018] In some embodiments, the two sides of the cutter module are respectively provided with a third side plate, the third side plate is sequentially provided with a through hole, a mounting column and an abutting portion from bottom to top, the rotating shaft is inserted into the through hole, the third side plate abuts against the first limiting portion, the mounting column is used for fixing one end of the tension spring, and the abutting portion abuts against the second limiting portion correspondingly under the action of the tension spring.

[0019] In some embodiments, the rear end of the cutter module is provided with an upper guide plate and a lower guide plate, the upper guide plate and the lower guide plate are arranged on the upper side and the lower side of the paper cutting port in a V-shaped manner.

[0020] A terminal device comprises a payment control device and the printing device provided by the utility model, the payment control device is in communication connection with the control module of the printing device, and the payment control device is used for sending printing information to the printing device and monitoring the control module.

[0021] The utility model has the advantages of:

[0022] The printing device provided by the utility model has modularized structure assembly, does not need to separately set a frame, the control module and the printing module are all connected on the two first side plates of the paper feeding module, the structure is simple, material cost is saved and assembly difficulty is reduced; the ribbon module is arranged and connected at the front end of the printing device, the cutter module is rotationally connected with the front end of the printing module and connected with the first side plate through a tension spring, so that the cutter module is installed against the printing module under the action of the elastic force, the elastic force of the tension spring is overcome and the cutter module is rotated, the ribbon module can be quickly replaced, the operation is simple and reliable, professional tools are not needed, and maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a first angle structure schematic view of the printing device provided by the utility model embodiment;

[0024] Figure 2 is a second angle structure schematic view of the printing device provided by the utility model embodiment;

[0025] Figure 3 is Figure 1 a structure schematic view of the A area in the utility model;

[0026] Figure 4 is Figure 1 a structure schematic view of the B area in the utility model;

[0027] Figure 5 is a structure schematic view of the second side plate of the printing module in the printing device provided by the utility model embodiment;

[0028] Figure 6 is a structure schematic view of the cutter module in the printing device provided by the utility model embodiment.

[0029] In the drawing:

[0030] 100, printing paper;

[0031] 1, control module; 11, bottom plate; 2, paper feeding module; 21, paper feeding assembly; 22, first side plate; 221, positioning column; 3, printing module; 31, upper clamping plate; 32, lower clamping plate; 33, second side plate; 331, first limiting part; 332, second limiting part; 333, rotating shaft; 334, positioning part; 34, cross beam; 341, elastic sheet; 342, limiting pin; 4, ribbon module; 41, limiting groove; 5, cutter module; 51, third side plate; 511, through hole; 512, mounting column; 513, abutting part; 52, upper guide plate; 53, lower guide plate; 54, paper cutting port; 6, tension spring. DETAILED DESCRIPTION

[0032] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] In the description of the embodiment, the terms "up", "down", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0036] The utility model embodiment provides a kind of printing device, such as Figure 1 And Figure 2As shown, the printing device comprises a control module 1, a paper feeding module 2, a printing module 3, a color band module 4 and a cutter module 5, the paper feeding module 2 comprises a paper feeding assembly 21 and two first side plates 22, the two first side plates 22 are arranged in parallel along the vertical direction, the paper feeding assembly 21 is arranged between the two first side plates 22 and fixed to the rear end of the first side plate 22, the control module 1 is arranged between the two first side plates 22 and below the paper feeding assembly 21; the printing module 3 is arranged at the front end of the paper feeding module 2 and fixed to the front end of the first side plate 22; the color band module 4 is arranged and fixed at the front end of the printing module 3; the cutter module 5 is located at the front end of the color band module 4, the cutter module 5 is rotationally connected with the printing module 3, and the spring 6 is arranged between the cutter module 5 and the first side plate 22, so that the cutter module 5 abuts against the printing module 3 under the action of the spring 6.

[0037] As shown in the figure, Figure 1 The arrow in the figure shows the paper feeding direction of the printing device, i.e. the X direction, the positive direction of the X direction is the front end, and the negative direction of the X direction is the rear end. The embodiment adopts a modular structure assembly, the paper feeding module 2, the printing module 3, the color band module 4 and the cutter module 5 are arranged in sequence along the paper feeding direction, the control module 1 is arranged below the paper feeding module 2, the paper feeding module 2 is used for feeding paper to the printing module 3 along the paper feeding direction, the printing paper 100 is printed at the color band module 4 when being conveyed below the printing module 3, the printing paper 100 is continuously conveyed forward and cut into independent invoices and other bills when passing through the cutter module 5, the entire printing device does not need to be separately provided with a frame, the control module 1 and the printing module 3 are connected to the two first side plates 22 of the paper feeding module 2, the structure is simple, the material cost is saved, and the assembly difficulty is reduced; the color band module 4 is arranged and connected at the front end of the printing module 3, the cutter module 5 is rotationally connected to the front end of the printing module 3 and connected to the first side plate 22 through the spring 6, so that the cutter module 5 is installed against the printing module 3 under the action of the elastic force, the color band module 4 can be quickly replaced by overcoming the elastic force of the spring 6 and rotating the cutter module 5, the operation is simple and reliable, professional tools are not needed, and the maintenance cost is reduced.

[0038] In some embodiments, the bottom plate 11 of the control module 1 is flush with the bottom ends of the two first side plates 22, and the two sides of the bottom plate 11 abut against the two first side plates 22.

[0039] As shown in the figure, Figure 2As shown, the control module 1 comprises a bottom plate 11 flush with the bottom ends of the two first side plates 22, and the bottom plate 11 and the two first side plates 22 jointly support the entire printing device. The two sides of the bottom plate 11 abut against the opposite inner sides of the two first side plates 22, thereby sealing the gap between the two first side plates 22 and facilitating the simultaneous connection and fixation of the two first side plates 22 to the control module 1, thus improving the connection strength and stability. The control module 1 is arranged below the paper feeding assembly 21, thereby making full use of the space below the paper feeding assembly 21, and the control module 1 can partially support the paper feeding assembly 21, thus facilitating the improvement of the stability of the paper feeding assembly 21. The printing device provided in the embodiment sets the control module 1 to control the automatic printing process of the paper feeding module 2, the printing module 3 and the cutter module 5, and is used for communication connection to the host computer for remote control and supervision.

[0040] In some embodiments, the printing module 3 comprises an upper clamping plate 31 and a lower clamping plate 32, and the upper clamping plate 31 and the lower clamping plate 32 are arranged in a spaced-apart manner to form a paper feeding channel. The rear ends of the lower clamping plate 32 and the upper clamping plate 31 are V-shaped, and the front end of the lower clamping plate 32 extends to the rear end of the cutter module 5.

[0041] In combination Figure 3 , the rear ends of the lower clamping plate 32 and the upper clamping plate 31 are V-shaped, forming a V-shaped printing paper entry port, which facilitates the smooth entry of the printing paper 100 into the paper feeding channel. It can be understood that the height of the paper feeding channel is slightly greater than the thickness of the printing paper 100. The rear end of the upper clamping plate 31 is slightly curved upward, and the rear end of the lower clamping plate 32 is slightly folded downward, thereby obtaining a V-shaped printing paper entry port. Preferably, the rear end of the upper clamping plate 31 has a folding surface folded by 180° toward the upper surface, so that the rear end of the upper clamping plate 31 has a smooth folding line, avoiding damage to the printing paper 100. The ribbon module 4 is located above the lower clamping plate 32 and opposite to the rear end of the upper clamping plate 31 to print the printing paper 100. The rear end of the lower clamping plate 32 extends to the rear end of the cutter module 5, and the rear end of the lower clamping plate 32 is slightly curved upward so that the rear edge of the lower clamping plate 32 is located at the lower edge of the paper cutting port 54, facilitating the conveying and guiding of the printed printing paper 100 to the paper cutting port 54.

[0042] In some embodiments, the two sides of the printing module 3 are respectively provided with a second side plate 33, and the bottoms of the two second side plates 33 are respectively connected to the two first side plates 22. The lower clamping plate 32 and the upper clamping plate 31 are both fixed on the second side plate 33.

[0043] As shown in Figure 5 , the two second side plates 33 are arranged in a spaced-apart and parallel manner along the vertical direction. The two sides of the upper clamping plate 31 are respectively provided with two lugs for connecting the two second side plates 33, and the two sides of the lower clamping plate 32 are provided with downwardly folded edges for connecting the two second side plates 33. In the embodiment, the connection is achieved by bolt connection unless otherwise specified.

[0044] In some embodiments, the bottom of each of the two second side plates 33 extends forwardly to be provided with a first limiting portion 331 and a second limiting portion 332, the opposite inner side of the first limiting portion 331 is provided with a rotating shaft 333, the cutter module 5 is rotatably mounted on the rotating shaft 333 and the two sides of the cutter module 5 abut against the first limiting portion 331, and the rear end of the cutter module 5 abuts against the second limiting portion 332 under the action of the tension spring 6.

[0045] As shown in Figure 5 , a certain height portion of the bottom of the second side plate 33 has a forwardly extending segment, which is bent twice outwardly and inwardly with an angle of 90°, respectively, to obtain two mutually perpendicular first limiting portions 331 and second limiting portions 332 as shown in Figure 5 , the cutter module 5 is limitingly mounted in the right angle space formed by the first limiting portion 331 and the second limiting portion 332, and the two sides and the rear end of the cutter module 5 abut against the first limiting portion 331 and the second limiting portion 332, respectively. The inner side of the first limiting portion 331 is provided with a rotating shaft 333, and the two sides of the cutter module 5 are rotatably mounted on the two rotating shafts 333, so as to realize the rotatable mounting of the cutter module 5 and the printing module 3. It can be understood that, under the action of the tension spring 6, the cutter module 5 is rotated to abut against the printing module 3 and is rotated into position to realize stable mounting. When the top end of the hand-held cutter module 5 is rotated to rotate the cutter module 5 away from the printing module 3, the cutter module 5 is opened after rotation, and the operation of replacing the ribbon module 4 can be performed, so as to realize the dismounting and replacement of the ribbon module 4 without dismounting, and after completion, the cutter module 5 is rotated to reset and is rotated into position under the action of the tension spring 6. The two tension springs 6 are symmetrically arranged to provide symmetrical elastic force.

[0046] In some embodiments, the two sides of the front end of each of the two second side plates 33 is respectively provided with a spring piece 341, and the ribbon module 4 is elastically clamped between the two spring pieces 341.

[0047] As shown in Figure 5 , the front end of each of the two second side plates 33 close to the top is symmetrically provided with a spring piece 341, the front end of each of the two spring pieces 341 extends forwardly by a certain length, and the front end of each of the two spring pieces 341 has a folding portion which faces away from each other, and the two folding portions form a flared structure, which is beneficial to the insertion of the ribbon module 4 between the two spring pieces 341 from front to back and the elastic clamping of the ribbon module 4 between the two spring pieces 341, so as to make the dismounting and mounting of the ribbon module 4 more convenient and improve the replacement efficiency of the ribbon module 4. In other embodiments, the two second side plates 33 are provided with a cross beam 34, and the spring pieces 341 are arranged at the two ends of the cross beam 34, so as to further improve the fixing stability of the ribbon module 4.

[0048] In some embodiments, the two sides of the ribbon module 4 are provided with limiting grooves 41, and the spring pieces 341 are clamped in the limiting grooves 41.

[0049] As Figure 2 shown, the groove bottom of the limiting groove 41 penetrates the front-rear thickness direction of the ribbon module 4, the width of the ribbon module 4 along the height direction is equal to the width of the elastic sheet 341, and then the elastic sheet 341 elastically clamps the ribbon module 4, and the elastic sheet 341 is limited in the limiting groove 41, thereby limiting and avoiding the movement of the ribbon module 4 in the height direction. Further, as Figure 5 shown, the rear surface of the cross beam 34 is provided with a limiting pin 342, the limiting pin 342 is fixed on the cross beam 34, the limiting pin 342 is perpendicular to the front surface of the cross beam 34, and correspondingly, the rear surface of the ribbon module 4 is provided with a limiting hole, the limiting hole is inserted and matched with the limiting pin 342 to realize positioning when the ribbon module 4 is installed, the limiting pin 342 has a foolproof function and can further limit the ribbon module 4.

[0050] In some embodiments, the front end of the two second side plates 33 is respectively provided with a positioning part 334, the positioning part 334 is spaced apart from the elastic sheet 341, and the rear end of the ribbon module 4 abuts against the positioning part 334.

[0051] In as Figure 5 combined Figure 1 , the second side plate 33 is provided with a folding sheet towards the outer side wall of the second side plate 33, the folding sheet is folded by 90° and is perpendicular to the plate surface of the second side plate 33 to form the positioning part 334, the positioning part 334 is spaced apart from the elastic sheet 341, and the positioning part 334 is located below the elastic sheet 341, the ribbon module 4 is in the form of an open downward U-shaped frame, and the frame bottom end is provided with a ribbon for printing. When the ribbon module 4 is installed, part of the front end of the second side plate 33 is inserted into the inside of the ribbon module 4 and abuts against the inner side wall of the U-shaped frame of the ribbon module 4 to limit, the two elastic sheets 341 abut against the outer side wall of the ribbon module 4 to fix, and the rear end of the ribbon module 4 abuts against the positioning part 334 to make the ribbon module 4 installed in place.

[0052] In some embodiments, the two sides of the cutter module 5 are respectively provided with a third side plate 51, the third side plate 51 is sequentially provided with a through hole 511, a mounting column 512 and an abutting part 513 from bottom to top, the rotating shaft 333 is inserted into the through hole 511, the third side plate 51 abuts against the first limiting part 331, the mounting column 512 is used for fixing one end of the tension spring 6, and under the action of the tension spring 6, the abutting part 513 corresponds to and abuts against the second limiting part 332.

[0053] As Figure 6 combined Figure 1 and Figure 5Two third side plates 51 are respectively provided with through holes 511 for being rotatably installed on the rotating shaft 333, so that the cutter module 5 and the printing module 3 can be freely rotated. The first side plate 22 is provided with a positioning column 221, and the two ends of the tension spring 6 are respectively fixedly connected to the positioning column 221 and the mounting column 512. Under the action of the tension spring 6, the abutting portion 513 on the third side plate 51 abuts against the second limiting portion 332, and the cutter module 5 is accurately limited and installed on the printing module 3. As shown in Figure 4 , along the paper feeding direction (X direction), the distance between the rear end of the abutting portion 513 and the mounting column 512 is not less than the length of the first limiting portion 331, and further, when the rear end of the abutting portion 513 abuts against the second limiting portion 332, the first limiting portion 331 does not interfere with the mounting column 512. The outer side wall of the abutting portion 513, that is, the outer side wall of the third side plate 51, abuts against or is attached to the first limiting portion 331, and when the abutting portion 513 abuts against the second limiting portion 332, the cutter module 5 is rotatably installed in place.

[0054] In some embodiments, the rear end of the cutter module 5 is provided with an upper guide plate 52 and a lower guide plate 53, and the upper guide plate 52 and the lower guide plate 53 are separately arranged on the upper and lower sides of the paper cutting port 54 and are in V shape.

[0055] As shown in Figure 6 , the cutter module 5 is provided with a paper cutting port 54 along the width direction (perpendicular to the X direction), and when the printing paper 100 passes through the paper cutting port 54, the cutter module 5 cuts the printing paper 100 to obtain a bill. The upper guide plate 52 and the lower guide plate 53 are both arranged along the length direction of the paper cutting port 54, and the upper guide plate 52 and the lower guide plate 53 are both thin plate pieces. The upper guide plate 52 and the lower guide plate 53 are fixed above and below the paper cutting port 54 respectively, and the upper guide plate 52 and the lower guide plate 53 are obtained by folding the thin plate pieces to obtain a V-shaped guide port. The printing paper 100 output from the printing module 3 can smoothly enter the paper cutting port 54 along the guide port.

[0056] The utility model also provides a terminal equipment, the terminal equipment can be payment machine or ticket collecting machine etc., when the terminal equipment is payment machine, the terminal equipment includes payment control device and the printing device that the utility model provides, payment control device and printing device's control module 1 communication connection, payment control device is used for sending printing information and monitoring control module 1 to printing device. Specifically, the payment control device includes a payment unit and an alarm unit, the payment unit and the alarm unit are directly connected to the control module 1 of the printing device or connected to the control module 1 through a host computer, thereby realizing communication control and monitoring.

[0057] In work, the printing device is independently controlled by an upper computer (such as a toll lane computer). The upper computer sends a printing ticket instruction (printing information) to the control module 1, the printing device executes the printing ticket (such as an invoice) instruction, the paper feeding module 2 starts and pushes the printing paper 100 forward, and the printing module 3 executes a typing action; after printing is completed, the paper cutting module cuts the printing paper 100, and a complete ticket is obtained.

[0058] In other embodiments, the upper computer communicates with the payment machine through an RS232 serial port, the payment control device of the payment machine reports real-time states to the upper computer, and receives instructions of the upper computer and then issues the instructions to corresponding execution units.

[0059] The printing device is used for the payment machine, installation steps of the payment machine are simplified, installation difficulty is reduced, maintenance and repair are more convenient, and replacement of a printing consumable ribbon module 4 is more convenient and fast. The printing device has small appearance size and strong space adaptability, thereby reducing occupied space of the printing device on the payment machine and reducing manufacturing costs of the payment machine.

[0060] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. All the embodiments need not be exhausted, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A printing device, characterized by, It includes: a control module (1); a paper feeding module (2) comprising a paper feeding assembly (21) and two first side plates (22) which are spaced apart and parallel to each other in the vertical direction, the paper feeding assembly (21) being arranged between the two first side plates (22) and fixed to the rear ends of the first side plates (22), and the control module (1) being arranged between the two first side plates (22) and below the paper feeding assembly (21); a printing module (3) arranged at the front end of the paper feeding module (2) and fixed to the front ends of the first side plates (22); a ribbon module (4) arranged and fixed at the front end of the printing module (3); a cutter module (5) located at the front end of the ribbon module (4), the cutter module (5) being rotatably connected to the printing module (3), and a tension spring (6) being arranged between the cutter module (5) and the first side plates (22), so that the cutter module (5) abuts against the printing module (3) under the action of the tension spring (6).

2. The printing device of claim 1, wherein, The bottom plate (11) of the control module (1) is flush with the bottom ends of the two first side plates (22), and the two sides of the bottom plate (11) abut against the two first side plates (22).

3. The printing device of claim 1, wherein, The printing module (3) comprises an upper clamping plate (31) and a lower clamping plate (32), which are arranged in a spaced-apart manner to form a paper feeding channel, the rear ends of the lower clamping plate (32) and the upper clamping plate (31) are V-shaped, and the front end of the lower clamping plate (32) extends to the rear end of the cutter module (5).

4. The printing device of claim 3, wherein, Second side plates (33) are arranged on the two sides of the printing module (3), respectively, the bottoms of the two second side plates (33) are connected to the two first side plates (22), respectively, and the lower clamping plate (32) and the upper clamping plate (31) are fixed to the second side plates (33).

5. The printing device of claim 4, wherein, First limiting portions (331) and second limiting portions (332) are arranged on the bottoms of the two second side plates (33), respectively, the opposite inner sides of the first limiting portions (331) are provided with rotating shafts (333), the cutter module (5) is rotatably installed on the rotating shafts (333), the two sides of the cutter module (5) abut against the first limiting portions (331), and the rear end of the cutter module (5) abuts against the second limiting portions (332) under the action of the tension spring (6).

6. The printing device of claim 4, wherein, Spring sheets (341) are arranged on the two sides of the front ends of the two second side plates (33), respectively, and the ribbon module (4) is elastically clamped between the two spring sheets (341).

7. The printing device of claim 6, wherein, Limiting grooves (41) are arranged on the two sides of the ribbon module (4), and the spring sheets (341) are clamped in the limiting grooves (41).

8. The printing device of claim 6, wherein, Positioning portions (334) are arranged on the two sides of the front ends of the two second side plates (33), respectively, the positioning portions (334) are arranged in a spaced-apart manner with the spring sheets (341), and the rear end of the ribbon module (4) abuts against the positioning portions (334).

9. The printing device of claim 5, wherein, Two sides of the cutter module (5) are respectively provided with third side plates (51), the third side plates (51) are sequentially provided with through holes (511), mounting columns (512) and abutting portions (513) from bottom to top, the rotating shafts (333) are inserted into the through holes (511), the third side plates (51) abut against the first limiting portions (331), the mounting columns (512) are used for fixing one end of the tension springs (6), under the action of the tension springs (6), the abutting portions (513) abut against the second limiting portions (332) correspondingly.

10. The printing device of claim 1, wherein, The rear end of the cutter module (5) is provided with an upper guide plate (52) and a lower guide plate (53), the upper guide plate (52) and the lower guide plate (53) are separately arranged on the upper and lower sides of a paper cutting port (54) and are in V shape.

11. A terminal device, characterized by The printing device comprises a payment control device and the printing device according to any one of claims 1-10, the payment control device is in communication connection with the control module (1) of the printing device, and the payment control device is used for sending printing information to the printing device and monitoring the control module (1).

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