Printer with flattening mechanism
By designing a flattening mechanism in the printer and utilizing components such as drive components and support rollers, the problem of thermal paper warping during printing is solved, achieving flat and smooth paper movement and improving printing accuracy.
Patent Information
- Application Number
- CN202423206741.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The existing flattening mechanism of thermal printers cannot effectively prevent the paper from warping or curling during the printing process, which affects the printing effect.
A printer with a flattening mechanism is designed, including a printer housing, a pressure cover, and a paper pressing mechanism. The flattening mechanism is placed on top of the printing area through structural cooperation. Components such as a drive unit, drive wheel, support roller, and limit rod are used to ensure that the paper remains flat during the printing process.
It effectively reduces paper warping and bending during the printing process, improves the flatness and smoothness of paper movement in the printing area, and reduces printing deviation.
Smart Images

Figure CN223605335U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a printer field, concretely a printer with flattening mechanism. BACKGROUND
[0002] The printer is one of computer output devices, is used for printing computer processing result on relevant medium, and three indexes of measuring printer good or bad have three, print resolution, print speed and noise, and the types of printer are many, and according to whether the print element has the action of striking paper, it is divided into striking printer and non-striking printer, according to the structure of printing character, it is divided into full form word printer and dot matrix character printer, according to the mode of the word in a line on paper, it is divided into serial printer and line printer.
[0003] At present, the flattening mechanism of the thermal printer on the market is generally arranged in the paper feeding area or the paper feeding path to ensure the printing effect, but in the thermal printer, when the print head heats and contacts the thermal printing paper, the printing paper can be deformed, warped or curled, and then the smooth progress of the printing process is affected.
[0004] Therefore, the printer with flattening mechanism is provided for the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiency of the prior art, the conventional flattening mechanism cannot flatten the paper in the printing process, and the utility model provides a printer with flattening mechanism.
[0006] The utility model solves the technical scheme that the utility model adopts: a printer with flattening mechanism, including printer shell, one side of the top of printer shell is movably installed with gland, the bottom of gland is provided with paper pressing mechanism, the paper pressing mechanism includes connecting plate, T-shaped rod is fixedly installed at the four corners of the bottom of connecting plate, the surface of T-shaped rod is sleeved with spring, the bottom of connecting plate movably installs with assembly plate, the top of assembly plate is provided with recess, the recess movably installs with driving piece in the inside, the tail end of driving piece output is fixedly installed with driving wheel, the four corners of the bottom of assembly plate are fixedly installed with clamping seat, the inside of clamping seat is fixedly installed with positioning rod, the surface of positioning rod movably installs with pressing belt.
[0007] Preferably, the top of the one side of the printer shell is provided with a clamping groove, and the top of the one side of the clamping groove is fixedly installed with a placing seat.
[0008] Preferably, the top of the clamping groove is fixedly installed with a plurality of first limiting rods, and the surface of the first limiting rod is movably installed with a supporting roller.
[0009] As preferred, one side of the inner wall of the card slot is fixedly provided with a second limiting rod, and a steering roller and a first output roller are movably arranged on the surface of the second limiting rod.
[0010] As preferred, one side of the bottom of the gland is fixedly provided with a fixed rod, and a second output roller is movably arranged on the surface of the fixed rod.
[0011] As preferred, the middle part of the top of the card slot is fixedly provided with a protection frame, and a print head is arranged in the protection frame.
[0012] The present application has the following advantages:
[0013] 1. The printer shell, the gland and the paper pressing mechanism are designed, and the functions of reducing paper lifting and bending are realized through the cooperation between the structures, so that the flattening mechanism can be arranged on the top of the printing area to directly flatten the paper, ensure the smoothness of the paper in the printing area, reduce the lifting or bending of the paper during printing, and reduce the printing deviation during printing, thereby solving the problem that the traditional flattening mechanism cannot flatten the paper during printing.
[0014] 2. The first limiting rod and the supporting roller are arranged to realize the function of supporting the bottom of the paper, thereby ensuring the smoothness of the paper during movement, and the paper can also be clamped by the paper pressing mechanism on the top, thereby ensuring the flatness of the paper. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0016] Figure 1 It is a front view of the overall structure of the present application.
[0017] Figure 2 It is a schematic view of the printer shell structure of the present application.
[0018] Figure 3 It is a bottom view of the gland structure of the present application.
[0019] Figure 4 It is a sectional view of the gland structure of the present application.
[0020] Figure 5 It is a plane view of the overall structure of the present application.
[0021] Fig. 1, printer shell; 2, gland; 3, paper pressing mechanism; 301, connecting plate; 302, T-shaped rod; 303, spring; 304, assembly plate; 305, groove; 306, driving piece; 307, driving wheel; 308, card seat; 309, positioning rod; 310, pressing belt; 4, card slot; 5, placing seat; 6, first limiting rod; 7, supporting roller; 8, second limiting rod; 9, deflection roller; 10, first output roller; 11, fixed rod; 12, second output roller; 13, protection frame; 14, print head. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] The following will be described in detail with reference to the drawings in the embodiments of the present application. Figures 1-5 The present application will be further described in detail,
[0024] The embodiment of the present application discloses a printer with a flattening mechanism, which comprises a printer shell 1, a gland 2 movably installed on one side of the top of the printer shell 1, and a paper pressing mechanism 3 arranged at the bottom of the gland 2. The paper pressing mechanism 3 comprises a connecting plate 301, T-shaped rods 302 fixedly installed at the four corners of the bottom of the connecting plate 301, springs 303 sleeved on the surfaces of the T-shaped rods 302, an assembly plate 304 movably installed at the bottom of the connecting plate 301, a groove 305 formed at the top of the assembly plate 304, a driving piece 306 movably installed in the groove 305, a driving wheel 307 fixedly installed at the tail end of the output end of the driving piece 306, card seats 308 fixedly installed at the four corners of the bottom of the assembly plate 304, positioning rods 309 fixedly installed in the card seats 308, and a pressing belt 310 movably installed on the surface of the positioning rod 309.
[0025] Referring to Figure 1 , Figure 3 , Figure 4 , Figure 5 Through the structural design of the printer shell 1, the gland 2 and the paper pressing mechanism 3 and the mutual cooperation between the structures, the function of reducing the lifting and bending of the paper is realized. Thus, the flattening mechanism can be placed at the top of the printing area, so as to directly flatten the paper, ensure that the paper is more flat and moves smoothly in the printing area, and reduce the lifting or bending of the paper during printing, thereby reducing the printing deviation during printing.
[0026] The top of the printer shell 1 is provided with a clamping groove 4, and the top of the clamping groove 4 is fixedly provided with a placing seat 5.
[0027] Referring to Figure 2 and Figure 5 , the clamping groove 4 provides a placing space for the placing seat 5, and the placing seat 5 facilitates the bottom bearing and limiting of the paper roll, thereby ensuring the stability of the paper roll during rotation.
[0028] The top of the clamping groove 4 is fixedly provided with a plurality of first limiting rods 6, and the surface of the first limiting rod 6 is movably provided with a supporting roller 7.
[0029] Referring to Figure 2 and Figure 5 , the first limiting rod 6 and the supporting roller 7 realize the function of supporting the bottom of the paper, thereby ensuring the smoothness of the paper during movement, and also cooperating with the paper pressing mechanism 3 at the top to clamp the paper, thereby ensuring the flatness of the paper.
[0030] The inner wall of the clamping groove 4 is fixedly provided with a second limiting rod 8, and the surface of the second limiting rod 8 is movably provided with a turning roller 9 and a first output roller 10.
[0031] Referring to Figure 2 and Figure 5 , the second limiting rod 8 and the turning roller 9 facilitate the guiding of the paper, thereby ensuring the angle adjustment of the paper inside the printer, so as to release the printed paper subsequently.
[0032] The bottom of the cover 2 is fixedly provided with a fixed rod 11, and the surface of the fixed rod 11 is movably provided with a second output roller 12.
[0033] Referring to Figure 3 and Figure 5 , the second output roller 12 facilitates the clamping of the paper in cooperation with the first output roller 10, thereby ensuring the limiting of the paper during output, and further ensuring the smoothness of the paper during output.
[0034] The top of the clamping groove 4 is fixedly provided with a protection frame 13, and the inside of the protection frame 13 is provided with a print head 14.
[0035] Referring to Figure 2 and Figure 5 , the protection frame 13 facilitates the support of the paper in the printing area, thereby ensuring the flatness of the contact part of the paper and the print head 14, and further ensuring the printing precision.
[0036] Working principle: when using the device, place the paper roll through the placing seat 5, cover the opening of the card slot 4 with the gland 2, hold the assembly plate 304 through the spring 303 tension, drive the driving wheel 307 through the driving part 306, drive the driving wheel 307 to rotate through the surface contact of the driving wheel 307 and the surface of the pressing belt 310, hold and drive the paper output through the pressing belt 310, support the bottom of the paper through the supporting roller 7, move with the paper, drive the supporting roller 7 to rotate with the first limiting rod 6 as the center through the friction force between the paper and the surface of the supporting roller 7, continuously move with the paper, reach the printing area, heat and print the surface of the paper through the printing head 14, provide the front end of the paper with the guide through the turning roller 9, make the paper complete the turning, hold the front end of the paper through the first output roller 10 and the second output roller 12, then continuously rotate the rear end of the paper through the subsequent pressing belt 310, provide the front end of the paper with the pushing force through the rear end of the paper, make the front end of the paper release the printer shell 1.
[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A printer having a flattening mechanism, characterized by: The utility model provides a printer shell (1), one side movable mounting gland (2) of the printer shell (1) top, the bottom of gland (2) is provided with paper pressing mechanism (3), and the paper pressing mechanism (3) includes connecting plate (301), and the bottom of connecting plate (301) is fixedly installed with T type rod (302) in four corners, and the surface of T type rod (302) is equipped with spring (303), and the bottom of connecting plate (301) is movably installed with assembly plate (304), and the top of assembly plate (304) is opened with recess (305), and the inside of recess (305) is movably installed with driving piece (306), and the tail end of driving piece (306) output is fixedly installed with driving wheel (307), and the bottom of assembly plate (304) is fixedly installed with clamping seat (308) in four corners, and the inside of clamping seat (308) is fixedly installed with positioning rod (309), and the surface of positioning rod (309) is movably installed with pressing tape (310).
2. The printer having a flattening mechanism according to claim 1, wherein: The printer shell (1) top one side is provided with a clamping groove (4), and the clamping groove (4) top one side is fixedly installed with a placing seat (5).
3. The printer with a flattening mechanism according to claim 2, wherein: The top of the clamping groove (4) is fixedly installed with a plurality of first limiting rods (6), and the surface of the first limiting rod (6) is movably installed with a supporting roller (7).
4. The printer with a flattening mechanism according to claim 2, wherein: The inner wall of the clamping groove (4) is fixedly installed with a second limiting rod (8) on one side, and the surface of the second limiting rod (8) is movably installed with a deflection roller (9) and a first output roller (10) respectively.
5. The printer having a flattening mechanism according to claim 1, wherein: The bottom of the gland (2) is fixedly installed with a fixed rod (11) on one side, and the surface of the fixed rod (11) is movably installed with a second output roller (12).
6. The printer with a flattening mechanism according to claim 2, wherein: The top of the clamping groove (4) is fixedly installed with a protection frame (13) in the middle part, and the inside of the protection frame (13) is provided with a print head (14).