Paper thickness quantitative adjusting mechanism for printer core
By designing a motor gear set and an eccentric adjustment column, the problem of spacing adjustment for printers with different paper thicknesses was solved, achieving precise control and improved print clarity.
Patent Information
- Application Number
- CN202520162585.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing printers have difficulty precisely and quantitatively adjusting the gap between the heat transfer head and the pressure roller, resulting in unclear printing.
By setting up a motor gear set and an eccentric adjustment column, along with a limiting structure and a thermal sheet, precise control of the distance between the thermal transfer head and the adjustment column can be achieved, adapting to different paper thicknesses.
It enables the printer to accurately adapt to different paper thicknesses, improving print clarity and the applicability of the equipment.
Smart Images

Figure CN223605330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of printer core, especially relates to a paper thickness quantitative adjusting mechanism for printer core. BACKGROUND
[0002] A label printer is a device used for printing labels. It is usually composed of a print head, a printer shell, a control panel, and a connection interface. It can print text, images, or barcodes on labels through thermal or thermal transfer technology. It can print labels of different sizes and materials, such as paper labels and plastic labels. Label printers are widely used in logistics, retail, manufacturing, and other fields to print cargo labels, price labels, and barcode labels. They have the characteristics of fast printing speed, high printing quality, and easy operation, which can improve work efficiency and accuracy.
[0003] In paper production, the thickness has multiple models, and the thickness of different models has certain differences. For different models of printing paper, the existing printer can adjust the paper adaptability, but the existing printer cannot accurately control the distance between the thermal transfer head and the paper roller, which can easily cause unclear printing. INVENTION CONTENTS
[0004] To solve the above-mentioned shortcomings of the prior art, the utility model provides a paper thickness quantitative adjusting mechanism for printer core, which can effectively solve the problems of the prior art.
[0005] To solve the above-mentioned technical problems, the utility model is realized by the following technical scheme:
[0006] The utility model discloses a paper thickness quantitative adjusting mechanism for printer core, which comprises a base body and an upper cover body rotatably connected to the upper end of the base body, and further comprises:
[0007] A bearing plate one is arranged on the inner side of the upper cover body, the lower end of the bearing plate one is provided with a bearing plate two, and the lower end of the bearing plate two is provided with a thermal sensitive sheet body;
[0008] A limiting structure is arranged on the inner side of the bearing plate one and is used for adjusting the position of the bearing plate two;
[0009] An adjusting column is arranged on the inner side of the base body, and the left and right ends of the adjusting column are provided with an L-shaped rotating plate and an R-shaped rotating plate.
[0010] Further, the limiting structure comprises a limiting convex piece and a return spring, the limiting convex piece is uniformly fixed to the lower end face of the bearing plate, the return spring is sleeved on the outer surface of the limiting convex piece, and the other end of the return spring is connected with the bearing plate two.
[0011] Further, the outer side of the heat-sensitive sheet body is provided with a mainboard piece, one end of the mainboard piece is connected with a connection port, and the connection port is connected with the mainboard program through a wire.
[0012] Further, the left and right ends of the adjusting column are provided with shaft sleeves, the adjusting column and the shaft sleeves are eccentrically arranged, one end of the shaft sleeve is provided with a motor gear set, and the motor gear set is connected with the base body through a support.
[0013] Further, the lower end of the bearing plate two is provided with a protective plate, the protective plate covers the outer side of the mainboard piece, the left and right sides of the protective plate are provided with limiting clamping pieces, and the limiting clamping pieces are clamped with the bearing plate two.
[0014] Further, the left and right sides of the bearing plate two are provided with a U-shaped flared plate.
[0015] The utility model has the following beneficial effects:
[0016] The utility model discloses a motor gear set can automatically adjust the position of adjusting column, because adjusting column and motor gear set are eccentrically arranged, can drive L type rotating plate and R type rotating plate along the rotation in the limiting groove, thereby can adjust the angle of adjusting column, and through the limiting structure can adjust the position of bearing plate two, thereby can be contacted with adjusting column through heat-sensitive sheet body, and cooperates with motor gear set, can accurately control the interval between heat transfer printing head and adjusting column, need not manual adjustment and test, makes the printer can accurately adapt to the paper of different specifications thickness, is favorable to improve the printing definition of printer, guarantees paper thickness quantitative regulation effect, makes the application range of equipment further promote. ACCURACY
[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0018] Figure 1 It is the schematic diagram of the printer core of the utility model;
[0019] Figure 2 It is the schematic diagram of the printer core cross section of the utility model;
[0020] Figure 3 It is the schematic diagram of the explosion of the limiting structure of the utility model;
[0021] Figure 4 It is the schematic diagram of the bearing plate two of the utility model;
[0022] Figure 5 is a top view schematic view of the adjusting column of the utility model;
[0023] Figure 6 is a schematic view of the motor gear set and the adjusting column connection of the utility model.
[0024] In the drawings, the component list represented by each reference numeral is as follows:
[0025] 1, base body; 2, upper cover body; 3, bearing plate one; 4, limiting convex piece; 5, return spring; 6, bearing plate two; 7, thermosensitive sheet body; 8, main plate piece; 9, adjusting column; 10, L-shaped rotating plate; 11, limiting groove; 12, R-shaped rotating plate; 13, motor gear set; 14, protective plate; 1401, limiting clamping piece. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.
[0027] Please refer to Figures 1-6 , the utility model discloses a paper thickness quantitative adjusting mechanism for printer core, including base body 1 and rotatingly connected upper cover body 2 on the upper end of base body 1, still including:
[0028] Bearing plate one 3 is arranged at the inner side of upper cover body 2, and the lower end of bearing plate one 3 is provided with bearing plate two 6, and the lower end of bearing plate two 6 is provided with thermosensitive sheet body 7;Limiting structure is arranged at the inner side of bearing plate one 3, and is used for adjusting the position of bearing plate two 6;The limiting structure includes limiting convex piece 4 and return spring 5, the limiting convex piece 4 is uniformly fixed at the lower end surface of bearing plate one 3, the return spring 5 is sleeved on the outer surface of limiting convex piece 4, and the other end of return spring 5 is connected with bearing plate two 6, and bearing plate two 6 is rotatably connected at the lower end of bearing plate one 3 by being arranged, and return spring 5 is arranged between bearing plate one 3 and bearing plate two 6, so that bearing plate two 6 rotatably connected in bearing plate one 3 always presses down through the printing paper in its lower part, cooperates with the thermosensitive sheet body 7 fixedly installed at the lower part of bearing plate two 6, can contact with adjusting column 9, so that subsequent adjustment according to the thickness of paper can be facilitated;
[0029] The outer side of the heat-sensitive sheet 7 is provided with a mainboard 8, one end of the mainboard 8 is connected with a connection port, and the connection port is connected with a mainboard program through a wire; the lower end of the mainboard 8 is connected with the mainboard program through a wire, so that the heat-sensitive sheet 7 can be controlled through the mainboard 8; the lower end of the bearing plate two 6 is provided with a protective plate 14, and the protective plate 14 covers the outer side of the mainboard 8; the left and right sides of the protective plate 14 are provided with limiting clamping pieces 1401, and the limiting clamping pieces 1401 are clamped with the bearing plate two 6; the protective plate 14 is connected with the bearing plate two 6 through the limiting clamping pieces 1401, which can not only protect and limit the heat-sensitive sheet 7, but also facilitate the subsequent disassembly and processing of the heat-sensitive sheet 7; since the heat-sensitive sheet 7 can be disassembled, the equipment can only replace the heat-sensitive sheet part, that is, the actual resolution 200dpi and 300dpi can be switched, and the mold opening cost and assembly cost are saved.
[0030] The adjusting column 9 is arranged on the inner side of the base body 1, and the left and right ends of the adjusting column 9 are provided with an L-shaped rotating plate 10 and an R-shaped rotating plate 12; the left and right ends of the adjusting column 9 are provided with shaft sleeves, and the adjusting column 9 and the shaft sleeves are eccentrically arranged, and the shaft sleeves have a specified data eccentric structure; when different gears are rotated, the meshing position of the U-shaped structure of the heat-sensitive sheet 7 support changes, so that the tangent position of the heat-sensitive sheet 7 and the adjusting column 9 changes; one end of the shaft sleeve is provided with a motor gear set 13, and the motor gear set 13 is connected with the base body 1 through a support; the left and right sides of the bearing plate two 6 are provided with a U-shaped flared plate; the U-shaped flared plates on the left and right sides of the bearing plate two 6 are clamped with the adjusting column 9, so that when the adjusting column 9 rotates, the L-shaped rotating plate 10 and the R-shaped rotating plate 12 can be rotated along the limiting groove 11, so that the angle of the adjusting column 9 can be adjusted, and the position of the bearing plate two 6 can be adjusted through the limiting structure, so that the heat-sensitive sheet 7 can be in contact with the adjusting column 9, and can be matched with the motor gear set 13, so that the distance between the heat transfer head and the adjusting column 9 can be accurately controlled, so that the printer can accurately adapt to paper sheets of different specifications and thicknesses, which is beneficial to improve the printing clarity of the printer, ensure the quantitative adjustment effect of the paper thickness, the tangent position of the heat-sensitive sheet 7 heating wire and the adjusting column 9 changes according to different gears, can accommodate paper sheets of different thicknesses, keep the pressure stable, ensure the printing quality, so as to realize the compatibility of paper sheets of different thicknesses, and further improve the application range of the equipment.
[0031] The above is only a preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement of the technical solutions described in the foregoing embodiments, belongs to the protection scope of the present application.
Claims
1. A paper thickness quantitative adjustment mechanism for a printer mechanism, comprising a base body (1) and an upper cover body (2) rotatably connected to the upper end of the base body (1), characterized in that, Also includes: A first support plate (3) is set on the inner side of the upper cover (2), and a second support plate (6) is set at the lower end of the first support plate (3). A thermal sheet (7) is set at the lower end of the second support plate (6). A limiting structure is set inside the first bearing plate (3) to adjust the position of the second bearing plate (6); An adjusting column (9) is set on the inner side of the base body (1), and an L-shaped rotating plate (10) and an R-shaped rotating plate (12) are set on the left and right ends of the adjusting column (9).
2. The paper thickness quantitative adjustment mechanism for a printer mechanism according to claim 1, characterized in that, The limiting structure includes a limiting protrusion (4) and a reset spring (5). The limiting protrusion (4) is uniformly fixed on the lower end face of the first bearing plate (3). The reset spring (5) is sleeved on the outer surface of the limiting protrusion (4), and the other end of the reset spring (5) is connected to the second bearing plate (6).
3. The paper thickness quantitative adjustment mechanism for a printer mechanism according to claim 2, characterized in that, The outer side of the thermal pad (7) is provided with a main board component (8), and one end of the main board component (8) is connected to a connection port, which is connected to the main board program through a wire.
4. The paper thickness quantitative adjustment mechanism for a printer mechanism according to claim 1, characterized in that, The adjusting column (9) is provided with bushings at both ends, and the adjusting column (9) and bushings are eccentrically arranged. One end of the bushing is provided with a motor gear set (13), and the motor gear set (13) is connected to the base body (1) through a bracket.
5. The paper thickness quantitative adjustment mechanism for a printer mechanism according to claim 1, characterized in that, The lower end of the second carrier plate (6) is provided with a protective plate (14), and the protective plate (14) covers the outside of the main body component (8). The left and right sides of the protective plate (14) are provided with limiting clips (1401), and the limiting clips (1401) are engaged with the second carrier plate (6).
6. The paper thickness quantitative adjustment mechanism for a printer mechanism according to claim 1, characterized in that, The bearing plate 2 (6) is provided with U-shaped flared plates on the left and right sides.