Thermal transfer card printer

Abstract

The utility model discloses a thermal transfer card printer, which comprises a supporting seat, a paper feeding channel, a printing head, a thermal transfer ribbon box driven shaft, a thermal transfer ribbon box driving shaft and a movable shaft driving piece, the printing head is arranged on the supporting base and located above the paper feeding channel. The printing head is used for printing cards on the paper feeding channel. The thermal transfer ribbon box driven shaft penetrates through the supporting seat, the thermal transfer ribbon box driven shaft is rotationally arranged on the supporting seat, and one end of the thermal transfer ribbon box driven shaft is used for installing an unwinding mechanism of the thermal transfer ribbon box; the fixed end of the movable shaft driving part is arranged on the supporting seat, the output end of the movable shaft driving part is connected with the thermal transfer ribbon box driving shaft, and the thermal transfer ribbon box driving shaft is used for installing a winding mechanism of the thermal transfer ribbon box; the movable shaft driving part can drive the thermal transfer ribbon box driving shaft to rotate so as to drive the winding mechanism to collect thermal transfer ribbons passing through the space between the printing head and the paper feeding channel; the thermal transfer certificate card printer can complete the automatic take-up work, the problems of line breakage and fuzziness in the printing process are avoided, and the printing quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a thermal transfer card printer. Background Art

[0002] Most existing thermal press printers use a fixed print head design and lack the function of lifting the print head. Although this design simplifies the structure of the printer to a certain extent, it also brings some inconveniences:

[0003] During printing, when the thickness of the print media exceeds the adaptability of the print head, the contact between the print head and the media may be uneven, resulting in uneven ink distribution, ghosting, broken lines, or color desaturation of the printed content. In addition, the fixed height of the print head may also make it difficult for the printer to adapt to print media of different thicknesses. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a thermal transfer card printer with an adjustable print head height.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Thermal transfer card printer, including horizontal support base, lifting plate and vertical support base, paper path, print head

[0007] The horizontal support seat and the vertical support seat are vertically connected to each other;

[0008] The paper feeding channel is arranged on the transverse support seat;

[0009] The print head is fixedly connected to the lifting plate;

[0010] The vertical support seat is provided with a groove, and the lifting plate is slidably arranged in the groove;

[0011] The thermal transfer card printer also includes a print head lifting drive;

[0012] The fixed end of the print head lifting drive component is fixedly connected to the transverse support seat; the output end of the print head lifting drive component is connected to the lifting plate.

[0013] The thermal transfer card printer as described above further includes a fixing frame, a drive screw and a vertical slide rail;

[0014] The fixing frame is fixedly arranged on a side of the vertical support seat facing away from the paper feeding passage;

[0015] The output end of the printing head lifting drive member is slidably connected downwardly to the transmission screw;

[0016] There are two vertical slide rails, both ends of which are fixed on the fixing frame and arranged on both sides of the transmission screw rod;

[0017] The lifting plate is slidably connected to the transmission screw rod and the vertical slide rail.

[0018] In the thermal transfer card printer as described above, the lifting plate includes a vertical end arranged perpendicular to the vertical support seat and a parallel end arranged parallel to the vertical support seat;

[0019] The vertical end is fixedly connected to the print head, and the parallel end is slidably connected to the transmission screw and the vertical slide rail;

[0020] Also includes a slider and a spring;

[0021] The slider is disposed between the parallel end and the print head lifting drive member, and is slidably connected to the transmission screw and the vertical slide rail;

[0022] The spring is sleeved on the vertical slide rail, one end of the spring abuts against the slide block, and the other end abuts against the parallel end.

[0023] The thermal transfer card printer as described above, the carbon ribbon cartridge passive shaft, the carbon ribbon cartridge active shaft and the active shaft driving member;

[0024] The print head is arranged on the vertical support seat and is located above the paper feeding channel, and the print head is used to print the card on the paper feeding channel;

[0025] The carbon ribbon box passive shaft is arranged through the vertical support seat, and the rotation of the carbon ribbon box passive shaft is arranged on the vertical support seat;

[0026] The fixed end of the dynamic shaft driving member is arranged on the vertical support seat, and the output end of the dynamic shaft driving member is connected to the driving shaft of the carbon ribbon box.

[0027] In the thermal transfer card printer as described above, the other end of the passive shaft of the carbon ribbon cartridge is fixedly connected to a metering turntable, and a plurality of through holes are equidistantly arranged along the circumference of the metering turntable;

[0028] The support seat is provided with a photoelectric sensor, and the photoelectric sensor is arranged on both sides of the axial direction of the metering turntable.

[0029] The thermal transfer card printer as described above further includes a card bin and a card output height limiting mechanism;

[0030] The card output height limiting mechanism comprises a support plate, a threaded knob and a limiting plate fixedly connected to the vertical support seat; a threaded groove is provided on the support plate, the threaded knob is threadedly connected to the threaded groove, and one end of the threaded knob is connected to the limiting plate;

[0031] Rotating the threaded knob can cause the limiting plate to rise and fall relative to the lateral support seat.

[0032] In the thermal transfer card printer as described above, the limiting plate is provided with a guide groove, the supporting plate is provided with a limiting column, and the limiting column is movably arranged in the guide groove.

[0033] The thermal transfer card printer as described above, wherein the card bin is further provided with a width limiting component;

[0034] The width limiting assembly is composed of a left baffle, a right baffle, a first rack, a second rack, a width limiting guide rail and a gear;

[0035] The transverse support seat is provided with a transverse through groove;

[0036] The width-limiting guide rail is fixedly arranged at the bottom of the transverse support seat;

[0037] The left baffle plate and the right baffle plate are partially arranged above the transverse support seat, and the left baffle plate and the right baffle plate pass through the transverse through slot and are slidably connected to the width-limiting guide rail;

[0038] The left baffle is fixedly connected to the first rack;

[0039] The right baffle is fixedly connected to the second rack;

[0040] The gear is meshed with the first rack and the second rack to adjust the width of the card bin.

[0041] In the thermal transfer card printer as described above, an ultra-high frequency card reader is provided between the card bin and the print head.

[0042] In the thermal transfer card printer as described above, a card outlet is provided at the end of the paper feeding passage.

[0043] The beneficial effects of the utility model are:

[0044] By setting a print head lifting drive to drive the print head to rise and fall relative to the paper feeding channel, the print head can be lifted and lowered relative to the paper feeding channel, providing the print head with the ability to adjust in the vertical direction, so that the thermal transfer card printer can adapt to printing cards of different thicknesses; and no manual adjustment is required, the adjustment accuracy is high, and the printing quality is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0046] Figure 1 It is a schematic diagram of the assembly structure of the thermal transfer card printer and the carbon ribbon box in the utility model;

[0047] Figure 2 This is one of the structural schematic diagrams of the thermal transfer card printer in the utility model;

[0048] Figure 3 This is the second structural schematic diagram of the thermal transfer card printer in the utility model;

[0049] Figure 4 The third structural diagram of the thermal transfer card printer in the utility model;

[0050] Figure 5 A schematic diagram of the structure of the thermal transfer card printer of the present invention without the lateral support seat;

[0051] Figure 6 The fourth structural diagram of the thermal transfer card printer in the utility model;

[0052] The markings of the various parts in the accompanying drawings are as follows:

[0053] 1. Support seat; 1. Horizontal support seat; 12. Lifting plate; 121. Vertical end; 122. Parallel end; 13. Vertical support seat; 131. Groove; 2. Paper feed channel; 31. Print head; 32. Print head lifting drive; 33. Fixed frame; 34. Transmission screw; 35. Vertical slide rail; 36. Slider; 37. Spring; 41. Ribbon cartridge passive shaft; 42. Ribbon cartridge active shaft; 43. Drive shaft drive ; 44. Measuring turntable; 441. Through hole; 45. Photoelectric sensor; 51. Card magazine; 6. Card output height limit mechanism; 61. Support plate; 612. Limit column; 62. Threaded knob; 63. Limit plate; 631. Guide groove; 7. Width limit assembly; 71. Left baffle; 72. Right baffle; 74. First rack; 75. Second rack; 76. Width limit guide rail; 77. Gear; 8. Card output nozzle; 9. Carbon ribbon box. DETAILED DESCRIPTION

[0054] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0055] Reference Figure 1 , Figure 2 , Figure 4 , a thermal transfer card printer, comprising a support base 1, a paper feeding channel 2, a print head 31, a carbon ribbon cartridge passive shaft 41, a carbon ribbon cartridge active shaft 42 and a dynamic shaft driving member 43;

[0056] The print head 31 is disposed on the support base 1 and is located above the paper feed channel 2. The print head 31 is used to print the card on the paper feed channel 2.

[0057] The carbon ribbon cassette driven shaft 41 is arranged through the support seat 1, the rotation of the carbon ribbon cassette driven shaft 41 is arranged on the support seat 1, and one end of the carbon ribbon cassette driven shaft 41 is used for the installation of the unwinding mechanism of the carbon ribbon cassette;

[0058] The fixed end of the dynamic shaft driving member 43 is arranged on the support seat 1, and the output end of the dynamic shaft driving member 43 is connected to the carbon ribbon cassette driving shaft 42, and the carbon ribbon cassette driving shaft 42 is used for installing the winding mechanism of the carbon ribbon cassette;

[0059] The driving shaft driving member 43 can drive the carbon ribbon cassette driving shaft 42 to rotate, thereby driving the winding mechanism to receive the carbon ribbon passing between the print head 31 and the paper feeding channel 2 .

[0060] The carbon ribbon cassette is fixed by the carbon ribbon cassette passive shaft and the carbon ribbon cassette active shaft, wherein the carbon ribbon cassette passive shaft is used for installing the carbon ribbon cassette unwinding mechanism, and the carbon ribbon cassette active shaft is used for installing the carbon ribbon cassette rewinding mechanism; when the carbon ribbon is printed, the paper feed roller on the support seat 1 rotates to transmit the card, refer to Figure 1 The carbon ribbon is located at A between the print head and the paper feed channel. The print head transfers the toner on the carbon ribbon to the card on the paper feed channel to complete printing. A dynamic shaft driving member is provided to drive the active shaft of the carbon ribbon box to rotate, and the winding mechanism is driven to collect the carbon ribbon passing between the print head and the paper feed channel to complete the automatic winding work, thereby avoiding the problems of broken wires and blur during the printing process and improving the printing quality.

[0061] Furthermore, the other end of the carbon ribbon cartridge driven shaft 41 is fixedly connected to a metering turntable 44, and a plurality of through holes 441 are equidistantly arranged along the circumference of the metering turntable 44;

[0062] The support seat 1 is fixedly provided with a photoelectric sensor 45 , and the photoelectric sensor 45 is arranged on both sides of the metering turntable 44 .

[0063] Since the metering turntable 44 is provided with a plurality of through holes 441, the photoelectric sensor 45 is provided on one side of the metering turntable 44, and the sensing point of the photoelectric sensor 45 is located in the radial direction of the metering turntable 44, as the winding mechanism rotates, the unwinding mechanism will also rotate synchronously, so the rotation of the unwinding mechanism will drive the carbon ribbon box passive shaft 41, thereby driving the metering turntable 44 fixedly connected to the carbon ribbon box passive shaft 41 to rotate, and the photoelectric sensor 45 is fixedly set on the support seat 1, so when the metering turntable 44 rotates, the photoelectric sensor 45 can count the through holes 441 passing through the photoelectric sensor 45, so as to determine the rotation path of the metering turntable 44; by determining the rotation path of the metering turntable 44, the usage of the carbon ribbon in the carbon ribbon box can be calculated, so as to facilitate the timely replacement of the carbon ribbon.

[0064] Furthermore, the support seat 1 includes a transverse support seat 11, a lifting plate 12 and a vertical support seat 13;

[0065] The horizontal support seat 11 and the vertical support seat 13 are vertically connected to each other;

[0066] The paper feeding channel 2 is arranged on the transverse support seat 11;

[0067] The print head 31 is fixedly connected to the lifting plate 12;

[0068] The vertical support seat 13 is provided with a groove 131, and the lifting plate 12 is slidably disposed in the groove 131;

[0069] The thermal transfer card printer also includes a print head lifting drive 32;

[0070] The fixed end of the print head lifting drive member 32 is fixedly connected to the transverse support seat 11 ; the output end of the print head lifting drive member 32 is connected to the lifting plate 12 .

[0071] The transverse support seat 11 and the vertical support seat 13 are vertically connected to each other, which can enhance the stability of the support seat 1 structure; the lifting plate 12, the groove 131 and the print head lifting drive 32 cooperate with each other, so that the print head 31 can be lifted and lowered relative to the paper feeding channel 2, providing the print head 31 with the ability to adjust in the vertical direction, so that the thermal transfer card printer can adapt to printing cards of different thicknesses; and no manual adjustment is required, the adjustment accuracy is high and the error is small.

[0072] Further, the lifting plate 12 includes a vertical end 121 disposed perpendicular to the vertical support seat 13 and a parallel end 122 disposed parallel to the vertical support seat 13;

[0073] The vertical end 121 is fixedly connected to the print head 31, and the parallel end 122 is slidably connected to the transmission screw 34 and the vertical slide rail 35;

[0074] It also includes a slider 36 and a spring 37;

[0075] The slider 36 is disposed between the parallel end 122 and the print head lifting drive member 32, and is slidably connected to the transmission screw 34 and the vertical slide rail 35;

[0076] The spring 37 is sleeved on the vertical slide rail 35 , and one end of the spring 37 abuts against the slider 36 , and the other end abuts against the parallel end 122 .

[0077] When in use, the print head lifting drive member 32 drives the transmission screw 34 to rotate, so that the slider 36 moves toward the parallel end 122. Since the spring 37 is against the parallel end 122, the lifting plate 12 and the print head 31 are driven to move toward the paper feeding channel 2 by compressing the spring 37. Due to the setting of the spring 37, the print head 31 can be elastically against the horizontal support seat 11. The print head 31 can automatically adjust the distance from the card according to the thickness of the card to maintain consistent contact between the print head and the card, which helps to improve the printing accuracy and clarity.

[0078] Reference Figure 3 Specifically, it also includes a fixing frame 33, a transmission screw 34 and a vertical slide rail 35;

[0079] The fixing frame 33 is fixedly arranged on a side of the vertical support seat 13 facing away from the paper feeding channel 2;

[0080] The output end of the print head lifting drive member 32 is slidably connected downwardly to the transmission screw rod 34;

[0081] There are two vertical slide rails 35, and the head and tail ends of the vertical slide rails 35 are fixed on the fixing frame 33 and are arranged on both sides of the transmission screw rod 34;

[0082] The lifting plate 12 is slidably connected to the transmission screw 34 and the vertical slide rail 35 .

[0083] The print head lifting drive 32 drives the transmission screw 34 to rotate, thereby driving the lifting plate 12 to slide along the vertical slide rail 35. There are two vertical slide rails 35, which can improve the stability of the lifting plate 12 when sliding, and avoid vibration and deviation of the print head 31 during sliding, which affects the printing quality.

[0084] Specifically, the print head lifting drive component 32 is a motor.

[0085] Furthermore, the support seat 1 includes a transverse support seat 11 and a vertical support seat 13;

[0086] The paper feeding channel 2 is arranged on the transverse support seat 11;

[0087] The support base 1 also includes a card bin 51 and a card output height limiting mechanism 6;

[0088] The card output height limiting mechanism 6 comprises a support plate 61, a threaded knob 62 and a limiting plate 63 fixedly connected to the vertical support seat 13; a threaded groove is provided on the support plate 61, the threaded knob 62 is threadedly connected to the threaded groove, and one end of the threaded knob 62 is connected to the limiting plate 63;

[0089] Rotating the threaded knob 62 can lift the limit plate 63 relative to the lateral support seat 11, thereby adjusting the distance between the limit plate 63 and the lateral support seat 11 and controlling the number of cards output from the card bin 51; and the height limiting structure in the device requires few parts, has a simple structure, and is easy to assemble and maintain.

[0090] Reference Figure 4 Specifically, a guide groove 631 is provided on the limit plate 63, and a limit column 612 is provided on the support plate 61. The limit column 612 is movably arranged in the guide groove 631. When the threaded knob 62 is rotated, the limit plate 63 moves, and the limit column 612 is used to limit the highest point and the lowest point of the limit plate 63.

[0091] Specifically, there are two guide grooves 631, and they are arranged in a direction perpendicular to the transverse support seat 11; there are also two limit columns 612; the two guide grooves 631 and the two limit columns 612 jointly determine the moving direction of the limit plate 63, which can ensure the smooth movement of the limit plate 63.

[0092] Specifically, the card bin 51 is also provided with a width limiting component 7;

[0093] The width limiting assembly is composed of a left baffle 71, a right baffle 72, a first rack 74, a second rack 75, a width limiting guide rail 76 and a gear 77;

[0094] The transverse support seat 11 is provided with a transverse through slot 110;

[0095] The width limiting guide rail 76 is fixedly arranged at the bottom of the transverse support seat 11;

[0096] The left baffle plate 71 and the right baffle plate 72 are partially disposed above the transverse support seat 11, and the left baffle plate 71 and the right baffle plate 72 partially pass through the transverse through slot 110 and are slidably connected to the width-limiting guide rail 76;

[0097] The left baffle 71 is fixedly connected to the first rack 74;

[0098] The right baffle 72 is fixedly connected to the second rack 75;

[0099] The gear 77 is meshed with the first rack 74 and the second rack 75 to adjust the width of the card bin 51 .

[0100] The width limiting component 7 can assist in fixing cards of different widths in the card bin 51; when the width limiting component 7 needs to be adjusted, the left baffle 71 or the right baffle 72 is pushed in the reverse direction, and the first rack 74 can be driven to slide in the reverse direction with the first rack 74 under the action of the gear 77, thereby realizing synchronous adjustment of the left baffle 71 and the right baffle 72.

[0101] Specifically, an ultra-high frequency card reader is provided between the card bin 51 and the print head 31. Specifically, the ultra-high frequency card reader is a UHF ultra-high frequency card reader; the ultra-high frequency card reader can read the chip or magnetic stripe information on the card to ensure that only authorized cards can be read and printed.

[0102] More specifically, the print head 31 is a flat-pressure print head. When printing on a card, the flat-pressure print head can apply uniform pressure to the paper, thereby improving the clarity and quality of printing; and the flat-pressure print head has a larger contact area with the carbon ribbon and the card, which helps to increase the printing speed.

[0103] More specifically, a card outlet nozzle 8 is provided at the end of the paper feeding channel 2, and the card outlet nozzle 8 is provided at an end away from the card bin 51; the setting of the card outlet nozzle 8 can ensure that the printed cards are output in an orderly manner from the thermal transfer card printer, and can reduce the external dust from falling into the thermal transfer card printer.

[0104] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. Thermal transfer card printer, characterized by: It comprises a transverse support seat (11), a lifting plate (12), a vertical support seat (13), a paper feeding channel (2), and a print head (31). The transverse support seat (11) and the vertical support seat (13) are vertically connected to each other; The paper feeding channel (2) is arranged on the transverse support seat (11); The print head (31) is fixedly connected to the lifting plate (12); The vertical support seat (13) is provided with a groove (131), and the lifting plate (12) is slidably arranged in the groove (131); The thermal transfer card printer also includes a print head lifting drive member (32); The fixed end of the print head lifting drive member (32) is fixedly connected to the transverse support seat (11); and the output end of the print head lifting drive member (32) is connected to the lifting plate (12).

2. The thermal transfer card printer according to claim 1, wherein: It also includes a fixed frame (33), a transmission screw (34) and a vertical slide rail (35); The fixing frame (33) is fixedly arranged on a side of the vertical support seat (13) facing away from the paper feeding channel (2); The output end of the printing head lifting drive member (32) is slidably connected downwardly to the transmission screw rod (34); There are two vertical slide rails (35), and the head and tail ends of the vertical slide rails (35) are fixed on the fixed frame (33) and arranged on both sides of the transmission screw rod (34); The lifting plate (12) is slidably connected to the transmission screw rod (34) and the vertical slide rail (35).

3. The thermal transfer card printer according to claim 2, wherein: The lifting plate (12) comprises a vertical end (121) arranged perpendicular to the vertical support seat (13) and a parallel end (122) arranged parallel to the vertical support seat (13); The vertical end (121) is fixedly connected to the print head (31), and the parallel end (122) is slidably connected to the transmission screw (34) and the vertical slide rail (35); It also includes a slider (36) and a spring (37); The slider (36) is arranged between the parallel end (122) and the print head lifting drive member (32), and is slidably connected to the transmission screw (34) and the vertical slide rail (35); The spring (37) is sleeved on the vertical slide rail (35), one end of the spring (37) abuts against the slider (36) and the other end abuts against the parallel end (122).

4. The thermal transfer card printer according to claim 1, wherein: A carbon ribbon cartridge passive shaft (41), a carbon ribbon cartridge active shaft (42) and a dynamic shaft driving member (43); The print head (31) is arranged on the vertical support seat (13) and is located above the paper feeding channel (2), and the print head (31) is used to print the card on the paper feeding channel (2); The carbon ribbon box passive shaft (41) is arranged through the vertical support seat (13), and the rotation of the carbon ribbon box passive shaft (41) is arranged on the vertical support seat (13); The fixed end of the dynamic shaft driving member (43) is arranged on the vertical support seat (13), and the output end of the dynamic shaft driving member (43) is connected to the carbon ribbon box driving shaft (42).

5. The thermal transfer card printer according to claim 4, characterized in that: The other end of the carbon ribbon box driven shaft (41) is fixedly connected to a metering turntable (44), and a plurality of through holes (441) are equidistantly arranged along the circumference of the metering turntable (44); The support seat (1) is provided with a photoelectric sensor (45), and the photoelectric sensor (45) is arranged on both axial sides of the metering turntable (44).

6. The thermal transfer card printer of claim 1, wherein: It also includes a card bin (51) and a card output height limiting mechanism (6); The card-out height limiting mechanism (6) comprises a support plate (61) fixedly connected to the vertical support seat (13), a threaded knob (62) and a limiting plate (63); the support plate (61) is provided with a threaded groove, the threaded knob (62) is threadedly connected to the threaded groove, and one end of the threaded knob (62) is connected to the limiting plate (63); Rotating the threaded knob (62) can cause the limiting plate (63) to rise and fall relative to the transverse support seat (11).

7. The thermal transfer card printer of claim 6, wherein: The limiting plate (63) is provided with a guide groove (631), the supporting plate (61) is provided with a limiting column (612), and the limiting column (612) is movably arranged in the guiding groove (631).

8. The thermal transfer card printer of claim 6, wherein: The card bin (51) is also provided with a width limiting component (7); The width limiting assembly is composed of a left baffle (71), a right baffle (72), a first rack (74), a second rack (75), a width limiting guide rail (76) and a gear (77); The transverse support seat (11) is provided with a transverse through groove (110); The width-limiting guide rail (76) is fixedly arranged at the bottom of the transverse support seat (11); The left baffle (71) and the right baffle (72) are partially disposed above the transverse support seat (11), and the left baffle (71) and the right baffle (72) partially pass through the transverse through slot (110) and are slidably connected to the width-limiting guide rail (76); The left baffle (71) is fixedly connected to the first rack (74); The right baffle (72) is fixedly connected to the second rack (75); The gear (77) is meshed with the first rack (74) and the second rack (75) to adjust the width of the card bin (51).

9. The thermal transfer card printer of claim 6, wherein: An ultra-high frequency card reader is provided between the card bin (51) and the print head (31).

10. The thermal transfer card printer of claim 9, wherein: A card outlet nozzle (8) is provided at the end of the paper feeding channel (2).

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