Thermal transfer printing type label printer

Abstract

The utility model discloses a heat transfer printing type label printer which comprises a machine shell, a paper rolling box, a motor, a rubber roller, a heating body and a circuit board. The roll paper box is arranged in the machine shell, a first cylinder, a second cylinder and a material collecting shaft are arranged in the roll paper box, label paper is rotatably arranged on the first cylinder in a sleeved mode, a thermal transfer ribbon is rotatably arranged on the second cylinder in a sleeved mode, a wave spring is further arranged on the second cylinder in a sleeved mode, one end of the wave spring abuts against the thermal transfer ribbon, and the other end of the wave spring abuts against the material collecting shaft. The other end of the wave spring abuts against the upper wall face of the roll paper box, and the material collecting shaft is rotatably arranged relative to the roll paper box and used for collecting used thermal transfer ribbons. The rubber roller is arranged in the machine shell, and the rubber roller is rotatably arranged relative to the machine shell; the motor is arranged in the machine shell, and the driving end of the motor is connected with the rubber roller and the material receiving shaft at the same time. The heating body is arranged in the machine shell, the heating body and the rubber roller are oppositely arranged, and label paper and a thermal transfer ribbon penetrate through the space between the heating body and the rubber roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to label printer technical field especially relates to a kind of thermal transfer label printer. BACKGROUND

[0002] Thermal transfer is a new printing process, and the printing method of the process is divided into two parts of transfer film printing and transfer processing. The transfer film printing adopts dot printing (resolution up to 300 dpi) to pre-print patterns on the surface of the film. The printed patterns are rich in layers, bright in color, varied in appearance, small in color difference, good in reproducibility, and can achieve the desired effect of the designer. It is suitable for mass production. The transfer processing transfers the exquisite patterns on the transfer film to the surface of the product through a thermal transfer machine (heating and pressing). The ink layer is integrated with the product surface after forming, which is realistic and beautiful, greatly improving the grade of the product.

[0003] In the prior art, a carbon ribbon is usually provided to move synchronously with the paper roll in the printer, and a pattern is formed on the paper roll by heating and pressing. However, if the carbon ribbon is not taut during printing, it will cause the carbon ribbon to fold and wrinkle, and to shift up and down, which will seriously affect the printing quality. SUMMARY

[0004] To overcome the shortcomings of the prior art, the purpose of the present utility model is to provide a thermal transfer label printer to solve the technical problems of carbon ribbon folding and wrinkling, and shifting up and down in the prior art.

[0005] The utility model adopts the following technical scheme: a thermal transfer label printer, comprising a housing, a paper roll box, a motor, a rubber roller, a heating body and a circuit board.

[0006] The paper roll box is arranged in the housing, and the paper roll box is provided with a first cylinder, a second cylinder and a material collecting shaft. A label paper is rotatably sleeved on the first cylinder. A carbon ribbon is rotatably sleeved on the second cylinder. A wave spring is also sleeved on the second cylinder. One end of the wave spring is in contact with the carbon ribbon, and the other end of the wave spring is in contact with the upper wall of the paper roll box. The material collecting shaft is rotatably arranged relative to the paper roll box, and is used to collect used carbon ribbon.

[0007] The rubber roller is arranged in the housing, and is rotatably arranged relative to the housing.

[0008] The motor is arranged in the housing, and the driving end of the motor is connected to the rubber roller and the material collecting shaft.

[0009] The heating body is arranged in the housing, and is arranged opposite to the rubber roller. The label paper and the carbon ribbon pass between the heating body and the rubber roller.

[0010] The circuit board is arranged in the casing, and the motor and the heat-generating body are electrically connected with the circuit board.

[0011] In a possible implementation, the paper roll box is provided with a plurality of guide columns arranged at different positions to form a label paper path and a carbon ribbon path, the label paper moves along the label paper path, the carbon ribbon moves along the carbon ribbon path, and the label paper path and the carbon ribbon path coincide between the heat-generating body and the rubber roller.

[0012] In a possible implementation, the transmission assembly includes a plurality of intermeshing gears, the driving end of the motor is connected with one gear of the transmission assembly, and the rubber roller and the material collecting shaft are respectively connected with other gears of the transmission assembly.

[0013] In a possible implementation, the casing is provided with a fixing frame, and the transmission assembly and the motor are arranged on the fixing frame.

[0014] In a possible implementation, the casing is provided with a first support, the fixing frame is provided with a first fixed shaft, one end of the first support is rotatably sleeved on the first fixed shaft, and the rubber roller is rotatably arranged at the other end of the first support.

[0015] In a possible implementation, a torsional spring is further sleeved on the first fixed shaft, the upper end of the torsional spring is connected with the first support, and the lower end of the torsional spring is connected with the fixing frame.

[0016] In a possible implementation, the casing is provided with a second support, the fixing frame is provided with a second fixed shaft, one end of the second support is rotatably sleeved on the second fixed shaft, and the heat-generating body is rotatably arranged at the other end of the second support.

[0017] In a possible implementation, the fixing frame is provided with a blocking plate, one end of the blocking plate is sleeved on the second fixed shaft, and the blocking plate and the second support have an included angle therebetween, an elastic member is arranged between the blocking plate and the second support, and two ends of the elastic member respectively abut against the blocking plate and the second support.

[0018] In a possible implementation, the fixing frame is provided with a third fixed shaft, a rotating shaft is rotatably sleeved on the third fixed shaft, the lower end of the rotating shaft is connected with one gear of the transmission assembly, the material collecting shaft is sleeved on the rotating shaft, and the inner side wall of the material collecting shaft is clamped with the outer side wall of the rotating shaft.

[0019] In a possible implementation, the top end of the material receiving shaft is provided with an anti-reverse protrusion, and the upper wall surface of the paper roll box is provided with an elastic protrusion corresponding to the anti-reverse protrusion.

[0020] Compared with the prior art, the label printer has the beneficial effects that when the label printer operates, the motor drives the rubber roller and the material receiving shaft to rotate, the rubber roller and the material receiving shaft drive the label paper and the carbon tape to move respectively, the wave spring is arranged to apply appropriate pressure to the carbon tape roll, so that the carbon tape is always in a taut state, the problem that the carbon tape is prone to folding and wrinkling and upward and downward deviation during movement is solved, and the printing quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the heat transfer type label printer of the utility model;

[0022] Figure 2 It is an exploded schematic view of the heat transfer type label printer of the utility model;

[0023] Figure 3 It is an exploded schematic view of the paper roll box in the heat transfer type label printer of the utility model;

[0024] Figure 4 It is a structural schematic view of the material receiving shaft and the rotating shaft in the heat transfer type label printer of the utility model;

[0025] Figure 5 It is a structural schematic view of the heat transfer type label printer of the utility model after the upper cover and the box cover are hidden;

[0026] Figure 6 It is a structural schematic view of the box cover in the heat transfer type label printer of the utility model;

[0027] Figure 7 It is a structural schematic view of the fixing frame in the heat transfer type label printer of the utility model;

[0028] Figure 8 It is a structural schematic view of the fixing frame in the heat transfer type label printer of the utility model from another perspective.

[0029] In the drawings:

[0030] 100, the shell; 101, the upper cover; 102, the middle frame; 103, the lower cover; 104, the fixing frame; 105, the first fixed shaft; 106, the second fixed shaft; 107, the third fixed shaft;

[0031] 200, paper roll box; 201, box cover; 202, box body; 203, first cylinder; 204, second cylinder; 205, material receiving shaft; 206, label paper; 207, carbon tape; 208, wave spring; 209, guide column; 210, rotating shaft; 211, anti-reverse protrusion; 212, elastic protrusion; 213, limiting groove;

[0032] 300, motor; 301, transmission assembly;

[0033] 400, rubber roller; 401, first support; 402, torsion spring;

[0034] 500, heating body; 501, second support; 502, blocking plate; 503, elastic member;

[0035] 600, circuit board; 601, battery; 602, switch button. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely 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 of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0037] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directionality indications also change accordingly.

[0038] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed by the present application.

[0039] As Figures 1-8The hot transfer label printer shown comprises a casing 100, a paper roll box 200, a motor 300, a rubber roller 400, a heating body 500 and a circuit board 600; the paper roll box 200 is arranged in the casing 100, the paper roll box 200 is provided with a first cylinder 203, a second cylinder 204 and a material collecting shaft 205, the label paper 206 is rotatably sleeved on the first cylinder 203, the carbon ribbon 207 is rotatably sleeved on the second cylinder 204, the wave spring 208 is also sleeved on the second cylinder 204, one end of the wave spring 208 is in contact with the carbon ribbon 207, the other end of the wave spring 208 is in contact with the upper wall of the paper roll box 200, the material collecting shaft 205 is rotatably arranged relative to the paper roll box 200, and the material collecting shaft 205 is used for collecting the used carbon ribbon 207; the rubber roller 400 is arranged in the casing 100 and is rotatably arranged relative to the casing 100; the motor 300 is arranged in the casing 100, and the driving end of the motor 300 is connected with the rubber roller 400 and the material collecting shaft 205; the heating body 500 is arranged in the casing 100 and is arranged opposite to the rubber roller 400, and the label paper 206 and the carbon ribbon 207 pass between the heating body 500 and the rubber roller 400; the circuit board 600 is arranged in the casing 100, and the motor 300 and the heating body 500 are electrically connected with the circuit board 600. It should be noted that the casing 100 is composed of an upper cover 101, a middle frame 102 and a lower cover 103, so as to facilitate the installation of the parts of the printer, and the lower cover 103 is rotatably connected with the middle frame 102, so as to facilitate the user to open the lower cover 103; the paper roll box 200 is composed of a box body 202 and a box cover 201, the box cover 201 is detachably connected with the box body 202, so as to facilitate the user to open the box cover 201 to replace the label paper 206 and the carbon ribbon 207; the motor 300 can drive the rubber roller 400 and the material collecting shaft 205 to rotate at the same time, so that the rubber roller 400 drives the label paper 206 to move, and the material collecting shaft 205 drives the carbon ribbon 207 to move; the casing 100 is further provided with a battery 601, the battery 601 is used for supplying power for the motor 300 and the circuit board 600, the battery 601 and the motor 300 are electrically connected with the circuit board 600, and the upper cover 101 of the casing 100 is provided with a switch button 602, the circuit board 600 is provided with a key position corresponding to the switch button 602, the user only needs to press the switch button 602 to start or stop the label printer, the circuit board 600 is further provided with a charging interface and an indicator, the charging interface is used for connecting an external power supply to charge the battery 601, and the indicator can prompt the user; in addition, the inner wall of the box cover 201 of the paper roll box 200 is provided with an annular limiting groove 213, and the wave spring 208 is arranged in the limiting groove 213 to limit the wave spring 208 and avoid accidental movement of the wave spring 208.

[0040] The utility model discloses beneficial effect lies in: label printer operation, motor 300 drives rubber roller 400 and material receiving shaft 205 rotation, rubber roller 400 and material receiving shaft 205 drive label paper 206 and carbon tape 207 movement respectively, and the setting of wave spring 208 can play the pressure to the carbon tape 207 roll up properly, thereby make carbon tape 207 always be in the state of taut, solved the problem that carbon tape 207 is easy to appear to fold wrinkle, up and down deviation in the movement process, be favorable to improving the printing quality.

[0041] Please refer to Figure 3 And Figure 5 In a possible implementation, a plurality of guide columns 209 are arranged in the paper roll box 200, the plurality of guide columns 209 are arranged at different positions to form a label paper path and a carbon tape path, the label paper 206 moves along the label paper path, the carbon tape 207 moves along the carbon tape path, and the label paper path and the carbon tape path coincide between the heating body 500 and the rubber roller 400. It should be noted that the guide columns 209 can guide the label paper 206 and the carbon tape 207, so that the label paper 206 and the carbon tape 207 move stably along the path. In addition, the machine shell 100 is provided with a paper outlet, the label paper 206 is driven by the rubber roller 400 to move along the label paper path and extend out of the machine shell 100 from the paper outlet, and the carbon tape 207 is driven by the material receiving shaft 205 to move along the carbon tape path and be collected by the material receiving shaft 205.

[0042] Please refer to Figure 8 In a possible implementation, the transmission assembly 301 includes a plurality of gears that mesh with each other, the driving end of the motor 300 is connected to one gear of the transmission assembly 301, and the rubber roller 400 and the material receiving shaft 205 are respectively connected to other gears of the transmission assembly 301. It should be noted that the end of the rubber roller 400 and the material receiving shaft 205 is provided with a gear to mesh with the gear of the transmission assembly 301, so that the motor 300 can drive the rubber roller 400 and the material receiving shaft 205 at the same time. In addition, the transmission assembly 301 is composed of a plurality of gears that mesh with each other, and the gear transmission has the characteristics of high transmission efficiency, accurate transmission ratio, long service life, large transmission power, large speed ratio range, high transmission precision, compact structure, etc. Therefore, by adjusting the transmission ratio of the motor 300 and the rubber roller 400 through the transmission assembly 301, the service life and stability of the label printer can be improved.

[0043] Please refer to Figure 2 In a possible implementation, the machine shell 100 is provided with a fixing frame 104, and the transmission assembly 301 and the motor 300 are arranged on the fixing frame 104. It should be noted that the fixing frame 104 can provide a mounting basis for each part of the printer, which is beneficial to improve the stability of the whole printer.

[0044] Please refer toFigure 7 In a possible implementation, the first support 401 is arranged in the casing 100, the first fixed shaft 105 is arranged on the fixed frame 104, one end of the first support 401 is rotatably sleeved on the first fixed shaft 105, and the rubber roller 400 is rotatably arranged at the other end of the first support 401. It should be noted that the first fixed shaft 105 is arranged to rotatably mount the first support 401 on the fixed frame 104, and the first support 401 is arranged to provide a mounting basis for the rubber roller 400, so that the rubber roller 400 can rotate smoothly.

[0045] Please refer to Figure 7 In a possible implementation, the torsional spring 402 is further sleeved on the first fixed shaft 105, the upper end of the torsional spring 402 is connected with the first support 401, and the lower end of the torsional spring 402 is connected with the fixed frame 104. It should be noted that the rubber roller 400 needs to be closely attached to the label paper 206, and therefore the rubber roller 400 needs to be in contact with the heat body 500, so that the label paper 206 and the carbon tape 207 are tightly clamped between the rubber roller 400 and the heat body 500, thereby completing the printing work, and the arrangement of the torsional spring 402 can drive the first support 401 to rotate, so that the rubber roller 400 arranged at the other end of the first support 401 is close to the heat body 500.

[0046] Please refer to Figure 7 In a possible implementation, the second support 501 is arranged in the casing 100, the second fixed shaft 106 is arranged on the fixed frame 104, one end of the second support 501 is rotatably sleeved on the second fixed shaft 106, and the heat body 500 is rotatably arranged at the other end of the second support 501. It should be noted that the second fixed shaft 106 is arranged to rotatably mount the second support 501 on the fixed frame 104, and the second support 501 is arranged to provide a mounting basis for the heat body 500.

[0047] Please refer to Figure 8 In a possible implementation, the blocking plate 502 is arranged on the fixed frame 104, one end of the blocking plate 502 is sleeved on the second fixed shaft 106, and the blocking plate 502 and the second support 501 have an included angle therebetween, the elastic member 503 is arranged between the blocking plate 502 and the second support 501, and the two ends of the elastic member 503 are in contact with the blocking plate 502 and the second support 501 respectively. It should be noted that the heat body 500 needs to be closely attached to the carbon tape 207, and therefore the heat body 500 needs to be in contact with the rubber roller 400, so that the label paper 206 and the carbon tape 207 are tightly clamped between the rubber roller 400 and the heat body 500, thereby completing the printing work, the elastic member 503 is a spring, and the arrangement of the elastic member 503 can provide an elastic force to the second support 501, so that the second support 501 rotates, thereby making the heat body 500 arranged on the second support 501 close to the rubber roller 400.

[0048] Please refer to Figure 7 In a possible implementation, the fixing frame 104 is provided with a third fixed shaft 107, and a rotating shaft 210 is rotatably sleeved on the third fixed shaft 107. The lower end of the rotating shaft 210 is connected with a gear in the transmission assembly 301. The material collecting shaft 205 is sleeved on the rotating shaft 210, and the inner side wall of the material collecting shaft 205 is clamped with the outer side wall of the rotating shaft 210. It should be noted that the third fixed shaft 107 provides a mounting base for the rotating shaft 210. The material collecting shaft 205 is connected with the transmission assembly 301 through the rotating shaft 210, so that the motor 300 can indirectly drive the material collecting shaft 205 to rotate. In addition, the inner side wall of the material collecting shaft 205 and the outer side wall of the rotating shaft 210 are both provided with strip-shaped protrusions. The strip-shaped protrusions on the material collecting shaft 205 and the strip-shaped protrusions on the rotating shaft 210 are staggered with each other, so as to clamp the material collecting shaft 205 and the rotating shaft 210.

[0049] Please refer to Figure 4 and Figure 6 In a possible implementation, the top end of the material collecting shaft 205 is provided with anti-reverse protrusions 211, and the upper wall surface of the paper roll box 200 is provided with elastic protrusions 212 corresponding to the anti-reverse protrusions 211. It should be noted that the anti-reverse protrusions 211 are in the shape of right-angled triangle, and the number of the anti-reverse protrusions 211 is multiple, which are arranged in a ring shape and uniformly spaced. The inclined surface of the elastic protrusion 212 is in contact with the inclined surface of the anti-reverse protrusion 211. When the material collecting shaft 205 rotates normally, the elastic protrusion 212 will be elastically deformed, and will be up and down in the process of being in contact with the anti-reverse protrusion 211. When the material collecting shaft 205 reverses unexpectedly, the straight surface of the elastic protrusion 212 will be in contact with the straight surface of the anti-reverse protrusion 211, so as to avoid the reverse rotation of the material collecting shaft 205, and to improve the rotation stability of the material collecting shaft 205.

[0050] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.

Claims

1. A heat transfer label printer characterized by comprising: The machine shell, the paper roll box, the motor, the rubber roller, the heating body and the circuit board are included. The paper roll box is arranged in the machine shell, and the first cylinder, the second cylinder and the material collecting shaft are arranged in the paper roll box. The rubber roller is arranged in the machine shell and rotatably arranged relative to the machine shell. The motor is arranged in the machine shell, and the driving end of the motor is connected with the rubber roller and the material collecting shaft. The heating body is arranged in the machine shell and arranged opposite to the rubber roller, and the label paper and the carbon tape pass between the heating body and the rubber roller. The circuit board is arranged in the machine shell, and the motor and the heating body are electrically connected with the circuit board.

2. The heat transfer label printer of claim 1, wherein, The paper roll box is provided with a plurality of guide columns arranged at different positions to form a label paper path and a carbon tape path.

3. The heat transfer label printer of claim 1, wherein, The transmission assembly includes a plurality of gears, the driving end of the motor is connected with one gear of the transmission assembly, and the rubber roller and the material collecting shaft are connected with other gears of the transmission assembly.

4. The heat transfer label printer of claim 3, wherein, The machine shell is provided with a fixing frame, and the transmission assembly and the motor are arranged on the fixing frame.

5. The heat transfer label printer of claim 4, wherein, The machine shell is provided with a first support, the fixing frame is provided with a first fixed shaft, one end of the first support is rotatably arranged on the first fixed shaft, and the rubber roller is rotatably arranged at the other end of the first support.

6. The heat transfer label printer of claim 5, wherein, The first fixed shaft is further provided with a torsion spring, the upper end of the torsion spring is connected with the first support, and the lower end of the torsion spring is connected with the fixing frame.

7. The heat transfer label printer of claim 4, wherein, The machine shell is provided with a second support, the fixing frame is provided with a second fixed shaft, one end of the second support is rotatably arranged on the second fixed shaft, and the heating body is rotatably arranged at the other end of the second support.

8. The heat transfer label printer of claim 7, wherein, The fixing frame is provided with a blocking plate, one end of the blocking plate is arranged on the second fixed shaft, and the blocking plate and the second support have an included angle therebetween.

9. The heat transfer label printer of claim 4, wherein, The fixing frame is provided with a third fixed shaft, a rotating shaft is rotatably arranged on the third fixed shaft, the lower end of the rotating shaft is connected with one gear of the transmission assembly, the material collecting shaft is arranged on the rotating shaft, and the inner side wall of the material collecting shaft is clamped with the outer side wall of the rotating shaft.

10. The heat transfer label printer of claim 1, wherein, The top end of the material collecting shaft is provided with an anti-reverse protrusion, and the upper wall surface of the paper roll box is provided with an elastic protrusion corresponding to the anti-reverse protrusion.

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