CN115056578A - Thermal transfer printer and printing method - Google Patents
Thermal transfer printer and printing method Download PDFInfo
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- CN115056578A CN115056578A CN202210552030.8A CN202210552030A CN115056578A CN 115056578 A CN115056578 A CN 115056578A CN 202210552030 A CN202210552030 A CN 202210552030A CN 115056578 A CN115056578 A CN 115056578A
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- 238000007639 printing Methods 0.000 title claims abstract description 210
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 171
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims description 19
- 238000000429 assembly Methods 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 5
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 description 17
- 238000004040 coloring Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007651 thermal printing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0045—Guides for printing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0052—Digital printing on surfaces other than ordinary paper by thermal printing
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Abstract
The application relates to a thermal transfer printer and a printing method, comprising a shell, a feeding mechanism and a printing mechanism; the feeding mechanism and the printing mechanism are both arranged on the shell, the feeding mechanism comprises a material placing component and a transmission component, and the material placing component is positioned at one end of the shell; the printing mechanism comprises a mounting rack and a plurality of groups of ink ribbon supply components, the ink ribbon supply components are horizontally arranged, the mounting rack is arranged on the shell, and the ink ribbon supply components are arranged on the mounting rack; the ribbon supply assembly comprises a printing head, a heating element, a mounting seat, a tensioning seat and a third driving piece for driving the mounting seat to rotate, the printing head is matched with the mounting frame in a sliding mode, a printing channel is arranged between the printing head and the transmission assembly, the heating element is fixedly connected with the printing head, the tensioning seat and the mounting seat are respectively located on two sides of the printing head and are mounted on the mounting frame, and the third driving piece is fixedly connected with the mounting frame. The application has the effect of multicolor printing, expands the color application range of the thermal transfer printer and meets the personalized requirements of users.
Description
Technical Field
The application relates to the technical field of printing, in particular to a thermal transfer printer and a printing method.
Background
Compared with other types of printers, the thermal transfer printer has the advantages of high speed, low noise, clear printing, convenience in use and the like. The principle of the thermal transfer printer is that a semiconductor heating element is arranged on a printing head of the thermal transfer printer, the heating element is arranged in a square point or strip form, the printer carries out logic control to heat the printing head, and the printing head contacts the thermal transfer printing paper and can print required patterns after being selectively heated at the position of the thermal transfer paper.
In the related art, a thermal transfer printer includes a housing, a thermal paper feeding mechanism, and a thermal transfer printing mechanism, wherein the thermal paper feeding mechanism is disposed in the housing and used for feeding paper; the thermal transfer printing mechanism is arranged in the shell and positioned on one side of the thermal sensitive paper feeding mechanism and is used for printing black characters on paper. At present, a thermal transfer printer can only print for one color, and in practical application, the printing of a single color cannot meet the requirements of a large number of users.
In view of the above-mentioned related art, there is a drawback that the thermal transfer printer can print only for one color.
Disclosure of Invention
In order to overcome the defect that a thermal transfer printer can only print for one color, the application provides the thermal transfer printer and the printing method.
In a first aspect, the present application provides a thermal transfer printer, which adopts the following technical solution:
a thermal transfer printer includes a thermal transfer unit including,
a housing;
the feeding mechanism is arranged on the shell and comprises a material placing component for material installation and a transmission component for conveying materials, and the material placing component is positioned at one end of the shell;
the printing mechanism comprises a mounting rack and ribbon supply components, wherein the ribbon supply components are horizontally arranged in multiple groups, the mounting rack is mounted on the shell, and the ribbon supply components are mounted on the mounting rack; ribbon supply assembly including beat printer head, be used for heating the heating element who beats printer head, be used for installing the mount pad of color material book, with mount pad complex tensioning seat and drive mount pad pivoted third driving piece, beat printer head with the mount pad cooperation of sliding, beat printer head with the printing passageway that supplies the material to print has between the transmission assembly, heating element with beat printer head fixed connection, the tensioning seat with the mount pad is located respectively beat printer head both sides and install in the mount pad, the third driving piece with mount pad fixed connection.
By adopting the technical scheme, the material is positioned on the material placing assembly and is conveyed to the printing mechanism through the conveying assembly, the third driving piece drives the mounting seat to rotate to provide the color material belt, meanwhile, the heating element heats the printing head, the material is contacted with the printing head through the printing channel, and the heated printing head selectively heats the material at the position of the material to form a pattern to complete printing; the printer head that accomplishes the printing slides for the mounting bracket for the transmission assembly continues to convey the material and supplies the subassembly through the multiunit typewriter ribbon that the level set up, and multiunit colour seal area provides multiple color, and the material can accomplish polychrome and print with the printer head contact after the multiunit heating. Compared with the prior art, the multi-color thermal transfer printer has the advantages that the plurality of groups of coloring material supply assemblies are arranged, the multi-color printing effect is realized by the cooperation of the plurality of groups of coloring material supply assemblies and the transmission mechanism, the color application range of the thermal transfer printer is expanded, and the individual requirements of users are met.
Optionally, the printing mechanism further includes a lifting assembly for driving the ribbon supply assembly to move, the lifting assemblies are arranged in multiple groups and correspond to the ribbon supply assembly one by one, each lifting assembly includes a cam and a fourth driving member for driving the cam to rotate, the fourth driving member is fixedly connected to the housing, and the cam is located at an output end of the fourth driving member; the ribbon supply assembly further comprises a connecting rod, the connecting rod is fixedly connected with the printing head and is in sliding fit with the mounting frame, and the curved surface profile of the cam is in contact with and abuts against the connecting rod.
By adopting the technical scheme, the fourth driving part drives the cam to rotate, the cam is in contact with and abuts against the connecting rod, when the lowest point of the curved surface profile of the cam abuts against the connecting rod, the cam pushes the printing head to move towards the direction far away from the conveying assembly, the curved surface profile of the cam gradually enables the connecting rod to rise higher along with the rotation of the cam, so that the interval between the printing head and the conveying assembly is gradually increased, different pigment supply assemblies are selected according to use requirements to perform color separation printing, and the printing effect is prevented from being influenced by the unnecessary pigment supply assemblies; when the highest point of the cam curved surface profile is abutted against the connecting rod, the cam enables the printing head to move towards the direction close to the conveying assembly, so that the interval between the printing head and the conveying assembly is reduced, the printing head is contacted with the material to finish printing, and the application range of the printer is expanded.
Optionally, the ribbon supply assembly further includes a connecting plate, the connecting rod penetrates through the connecting plate and is fixedly connected with the connecting plate, the connecting plate is in sliding fit with the mounting frame, and the connecting plate is fixedly connected with the printing head.
Through adopting above-mentioned technical scheme, fourth drive rod spare drive cam rotates and supports the in-process that presses the connecting rod to go up and down, and the connecting plate also slides for the mounting bracket thereupon, and the drive beats printer head and goes up and down for the mounting bracket, and the connecting plate has enlarged the area of contact between printer head and the connecting rod, improves the installation stability who beats printer head.
Optionally, the lifting assembly further comprises a clamping plate, a stand column, a limiting block for limiting the ascending distance of the printing head, and a buffering member for buffering, the clamping plate is fixedly connected with the mounting frame, the stand column is in sliding fit with the clamping plate and is fixedly connected with the printing head, the limiting block and the buffering member are sleeved on the peripheral wall of the stand column, the limiting block is fixedly connected with one end of the stand column, one end of the buffering member is in contact with and abuts against the limiting block, the other end of the buffering member is in contact with and abuts against the clamping plate,
by adopting the technical scheme, in the process that the fourth driving rod piece drives the cam to rotate to press the connecting rod to lift, the printing head rises to drive the stand column to rise to the position limiting block to be in contact with the connecting plate and to be pressed, the printing head is limited to continue rising, the rising distance of the printing head is limited, the situation that the contact point of the connecting rod and the cam exceeds the highest point of the curved surface profile in the rotating process of the cam is reduced, the rising stability of the printing head is guaranteed, and the printing accuracy is improved.
Optionally, the tensioning seat is provided with a fixing plate, a positioning column, a positioning disc and a springback piece for driving the tensioning seat to return; fixed plate and mount pad fixed connection, the reference column with fixed plate fixed connection, the positioning disk with tensioning seat fixed connection, rebound spare cover establish with tensioning seat periphery wall, just rebound spare one end with the connection can be dismantled to the reference column, the other end with the connection can be dismantled to the positioning disk.
By adopting the technical scheme, the third driving piece drives the mounting seat to match with the descending distance of the printing head to discharge the color belt, the color belt drives the tensioning seat to rotate, and the printing head is contacted with the color belt and is pressed and heated to enable the rebound piece to be loosened and deform; the completion is printed the back and is beaten printer head and rise, thereby resilience force makes the tensioning seat reversal of original form production of resilience piece recovery, and used colouring material area utilizes the resilience force of resilience piece to carry out the rolling, and simple structure has practiced thrift the energy simultaneously.
Optionally, the positioning plate is provided with a plurality of positioning through holes for limiting the movement of the resilient member, and one end of the resilient member penetrates through the positioning through holes.
Through adopting above-mentioned technical scheme, resilience piece one end can be dismantled with the reference column and be connected, and the other end is through wearing to establish different positioning hole for the torsional force that resilience piece received is different, according to the colouring material area of the different length that the distance cooperation that beats the head lift was used, thereby the resilience force of the positioning hole adjustment resilience piece that the adjustment resilience piece other end was worn to establish accomplishes the rolling to the colouring material book, improves the tensile force that the colouring material was rolled up, reduces the influence that the colouring material area was printed the material.
Optionally, the printing mechanism further includes a detection assembly, the detection assembly includes a first sensor for detecting a working position of the printing head, a second sensor for detecting a standby position of the printing head, and a controller for controlling whether the printing head is activated, the first sensor is electrically connected to an input end of the controller and outputs an electrical signal indicating whether the printing head moves to the working position, and the second sensor is electrically connected to an input end of the controller and outputs an electrical signal indicating whether the printing head moves to the standby position.
By adopting the technical scheme, the cam rotates to drive the printing head to lift, when the printing head rises and moves to the standby position, the second sensor outputs an electric signal to the controller, and the controller controls the printing head not to start; when the printing head descends and moves to a working position, the second sensor outputs an electric signal to the controller, the controller controls the printing head to start, the material is printed, and the error rate of the printer in the printing process is reduced.
Optionally, the mounting bracket is provided with the rotary rod and supplies the rotary rod to wear to establish first connecting hole, the casing is provided with the cooperation the second connecting hole of rotary rod, the rotary rod wears to establish simultaneously first connecting hole and second connecting hole, the mounting bracket with the casing rotates to be connected.
Through adopting above-mentioned technical scheme, the mounting bracket drives typewriter ribbon supply subassembly and rotates for the casing for typewriter ribbon supply subassembly separates with the transmission assembly, enlarges and prints the passageway, and the change in the colour material area of being convenient for also is convenient for simultaneously look the maintenance and the maintenance of colour material supply subassembly and transportation assembly.
Optionally, put the material subassembly and include the mounting panel, be used for installing the material and roll up put material seat, lead screw and drive lead screw pivoted first driving piece, first driving piece with casing fixed connection, the lead screw is worn to establish the mounting panel and with mounting panel threaded connection, the mounting panel with the casing cooperation of sliding, put the material seat install in the mounting panel.
Through adopting above-mentioned technical scheme, first driving piece drive lead screw rotates, and the lead screw drives the direction motion of mounting panel along the lead screw, and the length adjustment that rolls up according to the material is put the material seat and is rolled up the distance of tip with the material, enlarges the suitability of printer, satisfies the more dimensional printing demands of material.
In a second aspect, the present application provides a thermal printing method, which adopts the following technical solutions:
a printing method of a thermal transfer printer is suitable for the thermal transfer printer and comprises the following steps:
mounting a material roll on the material placing seat;
mounting the color material roll on the mounting seat; wherein, the mounting frame is overturned, the pigment roll is arranged on the mounting seat, and one end of the pigment belt is wound on the tensioning seat;
the conveying roller conveys the material to the printing channel;
printing; the printing device comprises a heating element, a printing head and a printing head, wherein the printing head is used for printing in a single color, the printing color is judged, and the heating element is used for heating the printing head of the corresponding color material belt; the printing head moves to a working position, and the printing head corresponding to the color material belt is contacted with the material to complete printing; the printing head moves to a standby position, and the tensioning seat rotates to tighten the color material belt;
multi-color printing; the required colour material of heating multiunit takes beats printer head, and the multiunit beats printer head and moves to operating position and material contact completion printing in proper order, accomplishes and prints the back, beats printer head and moves to standby position, and corresponding tensioning seat gyration tightens up corresponding colour material area.
Through adopting above-mentioned technical scheme, according to the printing demand, the heating element of corresponding colouring material subassembly heats printer head, and printer head moves to operating position from standby position, and the material can accomplish the printing of different colours with the printer head contact after each heating, and the transmission subassembly conveys the material in proper order and supplies the subassembly through the multiunit typewriter ribbon that the level set up, accomplishes the polychrome and prints.
In summary, the present application includes at least one of the following beneficial technical effects:
1. compared with the prior art, the multi-color thermal transfer printer has the advantages that the plurality of groups of coloring material supply assemblies are arranged, the multi-color printing effect is realized by the cooperation of the plurality of groups of coloring material supply assemblies and the transmission mechanism, the color application range of the thermal transfer printer is expanded, and the individual requirements of users are met.
2. The cam is additionally arranged, the cam rotates to abut against different positions of the connecting rod, the distance between the printing head and the conveying assembly is adjusted, when the interval between the printing head and the conveying assembly is increased, different pigment supply assemblies are selected according to use requirements to perform color separation printing, and the influence of the unnecessary pigment supply assemblies on the printing effect is avoided; when the interval between the printing head and the conveying assembly is reduced, the printing head is contacted with the material to finish printing, and the application range of the printer is expanded.
3. Fourth drive lever spare drive cam rotates the in-process that supports and presses the connecting rod lift, beats printer head and rises to drive the stand and rise to stopper and connecting plate contact and support and press, limits the distance that printer head rises, has reduced the cam at the pivoted in-process, and the contact point of connecting rod and cam support has surpassed the situation of the peak of curved surface profile, has guaranteed to beat the stability that printer head rises, improves the accuracy of printing.
4. The third driving piece drives the mounting seat to match with the descending distance of the printing head to discharge the color belt, the color belt drives the tensioning seat to rotate, and the printing head is in contact with the color belt and is pressed against the color belt to heat so that the rebound piece is loosened to deform; the completion prints the back and beats printer head and rises, thereby resilience force makes the tensioning seat reversal of resilience piece recovery original form, and used colouring material area utilizes the resilience force of resilience piece to carry out the rolling, and simple structure has practiced thrift the energy simultaneously.
5. The cam rotates to drive the printing head to lift, when the printing head rises and moves to a standby position, the second sensor outputs an electric signal to the controller, and the controller controls the printing head not to start; when the printing head descends and moves to a working position, the second sensor outputs an electric signal to the controller, the controller controls the printing head to start, the material is printed, and the error rate of the printer in the printing process is reduced.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a thermal transfer printer according to an embodiment of the present disclosure;
FIG. 2 is a schematic view showing a part of a structure of a feeding mechanism according to an embodiment of the present application;
FIG. 3 is a schematic view of a highlight tape supply assembly according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a tensioning mount according to an embodiment of the present application;
FIG. 5 is a schematic view of the embodiment of the present application highlighting the construction of the lift assembly and the detection assembly;
FIG. 6 is a schematic view showing the structure of a highlighting cutting assembly according to an embodiment of the present application.
Description of reference numerals:
1. a housing; 11. a side wall; 12. a second connection hole; 2. a feeding mechanism; 21. a material placing component; 211. mounting a plate; 2111. connecting blocks; 2112. a load-bearing bar; 212. a material placing seat; 213. a screw rod; 214. a first driving member; 215. a first gear set; 216. a point contact switch; 22. a transmission assembly; 221. a first vertical plate; 222. a second vertical plate; 223. a conveying roller; 224. a press-fit roller; 225. a second driving member; 226. a first material passing channel; 3. a printing mechanism; 31. a mounting frame; 311. rotating the rod; 312. mounting a rod; 313. a first connection hole; 32. a ribbon supply assembly; 321. a print head; 322. a heating element; 323. a mounting seat; 324. a tensioning seat; 3241. a fixing plate; 3242. a positioning column; 3243. positioning a plate; 3244. positioning the through hole; 3245. a resilient member; 325. a third driving member; 326. a connecting rod; 327. a connecting plate; 33. a printing channel; 34. a lifting assembly; 341. a cam; 342. a fourth drive; 343. a clamping and connecting plate; 3431. a clamping groove; 344. a column; 345. a limiting block; 346. a buffer member; 347. a second gear set; 35. a detection component; 351. a first sensor; 352. a second sensor; 353. a rotating plate; 4. a cutting mechanism; 41. a first stopper; 411. accommodating grooves; 412. a slide rail; 42. a second stopper; 43. a second material passing channel; 44. cutting the assembly; 45. and a fifth driving member.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a thermal transfer printer and a printing method.
Referring to fig. 1, a thermal transfer printer includes a housing 1 for providing an installation base, a feeding mechanism 2 for supplying a material, a printing mechanism 3 for printing characters or patterns, and a cutting mechanism for cutting the printed material; feeding mechanism 2 and cutting mechanism all install in casing 1, and printing mechanism 3 is located feeding mechanism 2 tops, and has the material to be used for the printing passageway 33 of printing between printing mechanism 3 and the feeding mechanism 2, and the material is through having feeding mechanism 2 transportation, through printing passageway 33, and printing mechanism 3 has printed the printing to the material, and feeding mechanism 2 continues to transport the material of accomplishing the printing to cutting mechanism and cuts out.
The housing 1 is substantially rectangular and has a set of parallel side walls 11 and a bottom plate perpendicular to the side walls 11, and a gap is formed between the parallel side walls 11 for accommodating the feeding assembly and the printing assembly.
Referring to fig. 1 and 2, the feeding mechanism 2 includes a material placing assembly 21 for material installation and a conveying assembly 22 for conveying the material, the material placing assembly 21 and the conveying assembly 22 are both installed on the housing 1, and the material placing assembly 21 is located at one end of the housing 1.
The material placing assembly 21 comprises an installation plate 211, a material placing seat 212 for installing a material roll, a screw rod 213 and a first driving piece 214 for driving the screw rod 213 to rotate, the first driving piece 214 is fixedly connected with one side wall 11 of the shell 1, the screw rod 213 penetrates through the installation plate 211 and is in threaded connection with the installation plate 211, the installation plate 211 is in sliding fit with the shell 1, and the material placing seat 212 is installed on the installation plate 211. In this embodiment, a first gear set 215 is disposed between the first driving member 214 and the screw rod 213, and the driving member drives the first gear set 215 to rotate so as to drive the screw rod 213 to rotate.
The mounting plate 211 is provided in a substantially flat rectangular parallelepiped shape, and the mounting plate 211 is parallel to the side wall 11 of the housing 1. In this embodiment, two mounting plates 211 are arranged and parallel to each other, and a gap for mounting the material roll is formed between the two mounting plates 211; the material placing seat 212 is provided with two end surfaces which are respectively installed on the two installation plates 211. The first driving member 214 drives the first gear set 215 to rotate, so as to drive the screw rod 213 to rotate, the screw rod 213 drives the mounting plate 211 to move along the axial direction of the screw rod 213, and the distance between the material placing seat 212 and the end of the material roll is adjusted according to the length of the material roll, so that the two ends of the material roll are placed on the material placing seat 212.
In order to improve the mounting stability, the mounting plate 211 is provided with a connection block 2111 and a load-bearing bar 2112. In this embodiment, the connection blocks 2111 and the bearing rods 2112 are respectively provided in two numbers, the connection blocks 2111 are respectively located on the end surfaces of the two mounting plates 211, and are fixedly connected to the mounting plates 211, the bearing rods 2112 are respectively located on both sides of the axis of the screw rod 213, the axis of the bearing rods 2112 is parallel to the axis of the screw rod 213, and the bearing rods 2112 penetrate through the connection blocks 2111 and are fixedly connected to the connection blocks 2111.
Further, the material placing assembly 21 is provided with a point contact switch 216 for detecting whether the material roll is installed in place, the point contact switch 216 and the material placing base 212 are located on the same side of the mounting plate 211, and the point contact switch 216 is in contact with or away from the mounting plate 211. If the mounting plate 211 drives the point contact switch 216 to move to contact and press against the material roll, and at this time, the material roll is mounted on the material placing base 212, the point contact switch 216 transmits an electric signal to control the first driving member 214 to stop running.
Referring to fig. 1 and 2, the conveying assembly 22 includes a first vertical plate 221, a second vertical plate 222, a conveying roller 223 for conveying materials, a pressing roller 224 for pressing the materials flat, and a second driving member 225 for driving the conveying roller 223 to rotate; the first vertical plate 221, the second vertical plate 222, the conveying roller 223 and the stitching roller 224 are located between the two side walls 11 of the housing 1. Both ends of the first vertical plate 221 and the second vertical plate 222 are fixedly connected with the side wall 11 of the housing 1, and a first material passing channel 226 for passing materials is formed between the first vertical plate 221 and the second vertical plate 222; the conveying roller 223 and the stitching roller 224 are both inserted through the side wall 11, and the conveying roller 223 and the stitching roller 224 are both rotatably connected with the side wall 11 of the housing 1. In this embodiment, the conveying roller 223 is provided with four, the stitching roller 224 is provided with two, the stitching roller 224 is arranged above the conveying roller 223 at intervals, and the stitching roller 224 is matched with the conveying roller 223 to flatten the material. The material gets into first punishment in advance passageway 226 and is located transfer roller 223, and four transfer rollers 223 synchronous rotations of second driving piece 225 drive, and transfer roller 223 drives the pressfitting roller 224 rotation that corresponds, and transfer roller 223 and pressfitting roller 224 cooperate and flatten the material, improve follow-up printing quality.
Referring to fig. 1 and 3, the printing mechanism 3 includes a mounting frame 31, a ribbon supply assembly 32 for supplying a plurality of ribbons of color, and a lifting assembly 34 for moving the ribbon supply assembly 32; the mounting frame 31 and the lifting assembly 34 are mounted on the casing 1, the ribbon supply assembly 32 is mounted on the mounting frame 31, the ribbon supply assembly 32 is horizontally provided with a plurality of groups, and the lifting assembly 34 is also horizontally provided with a plurality of groups and corresponds to the ribbon supply assembly 32 one by one. In the present embodiment, the ribbon supply assembly 32 and the lift assembly 34 are provided in two sets. According to the printing requirement, the lifting component 34 drives the corresponding colorant supply component to lift, so as to print the material on the conveying roller 223.
The mounting frame 31 is located between the two side walls 11 of the housing 1, the mounting frame 31 has two vertical walls, the two vertical walls are arranged along the length direction, the mounting frame 31 is provided with a rotating rod 311, a mounting rod 312 for connecting the mounting frame 31 and the housing 1, and a first connecting hole 313 for the rotating rod 311 to penetrate through, the axes of the rotating rod 311 and the mounting rod 312 are perpendicular to the vertical walls, and the rotating rod 311 and the mounting rod 312 are located at two ends of the mounting frame 31 respectively; the housing 1 is provided with a second connecting hole 12 for matching with the rotating rod 311, the rotating rod 311 simultaneously penetrates through the first connecting hole 313 and the second connecting hole 12, and the mounting frame 31 is rotatably connected with the housing 1 through the rotating rod 311. The mounting bracket 31 drives the ribbon supply assembly 32 to rotate relative to the housing 1, so that the ribbon supply assembly 32 is separated from the transport assembly 22, the printing channel 33 is enlarged, replacement of the ribbon is facilitated, and maintenance and repair of the ribbon supply assembly and the transport assembly are facilitated.
Referring to fig. 3, the ribbon supply assembly 32 includes a connecting rod 326, a connecting plate 327, a print head 321, a heating element 322 for heating the print head 321, a mounting seat 323 for mounting the ribbon roll, a tension seat 324 engaged with the mounting seat 323, and a third driving member 325 for driving the mounting seat 323 to rotate. The connecting rod 326 is arranged on the mounting frame 31 in a penetrating way through the connecting plate 327, the connecting rod 326 is fixedly connected with the connecting plate 327, and the connecting rod 326 is in sliding fit with the mounting frame 31; the heating element 322 is positioned above the printing head 321, the heating element 322 is fixedly connected with the printing head 321, the connecting plate 327 is fixedly connected with the heating element 322, and a printing channel 33 for printing the material is arranged between the printing head 321 and the conveying roller 223; the tensioning seat 324 and the mounting seat 323 are respectively located at two sides of the print head 321 and mounted on the mounting frame 31, and the third driving member 325 is located on an end surface of the mounting frame 31 far away from the mounting seat 323 and fixedly connected to the mounting frame 31. In this embodiment, the third driving member 325 and the mounting seat 323 are transmitted by the gear and the rack. The third driving member 325 drives the mounting seat 323 to rotate to provide the color tape, and simultaneously the heating element 322 heats the printing head 321, the material contacts the printing head 321 through the printing channel 33, and the heated printing head 321 selectively heats at the position of the material to form a pattern to complete printing; the printing heads 321 which have finished printing slide relative to the mounting frame 31, so that the conveying assembly 22 continues to convey the material through the plurality of horizontally arranged ribbon supply assemblies 32, the plurality of ribbon supply assemblies provide a plurality of colors, and the material contacts the plurality of groups of heated printing heads 321 to finish multicolor printing.
Connecting plate 327 is the L shape setting, and connecting plate 327 is used for dodging tensioning seat 324 and mount pad 323 when being used for increasing installation stability, and connecting plate 327 and mounting bracket 31 cooperate of sliding, and connecting plate 327 lies in between tensioning seat 324 and the mount pad 323. In the present embodiment, there are four connecting plates 327, and each group of ribbon supply assemblies 32 has two connecting plates 327, and the two connecting plates 327 are located on two sides of the central axis of the mounting frame 31 along the length direction and are symmetrically arranged.
The printing head 321 has a standby state and an operating state, and when the printing head 321 is in the standby state, an interval is formed between the printing head 321 and the material; in the printing state, the print head 321 is in contact with the material.
Referring to fig. 4, the tensioning seat 324 is used for tensioning the color material belt, and the tensioning member is provided with a fixing plate 3241, a positioning column 3242, a positioning disc 3243 and a springback member 3245 for driving the tensioning seat 324 to return; fixed plate 3241 and mount pad 323 fixed connection, reference column 3242 and fixed plate 3241 fixed connection, positioning disk 3243 and tensioning seat 324 fixed connection, resilience piece 3245 cover establish with tensioning seat 324 periphery wall, and resilience piece 3245 one end can be dismantled with reference column 3242 and be connected, the other end can be dismantled with positioning disk 3243 and be connected. The third driving member 325 drives the mounting seat 323 to match the descending distance of the printing head 321 to discharge the color belt, the color belt drives the tensioning seat 324 to rotate, and the printing head 321 contacts with the color belt and presses against and heats the color belt to enable the rebound member 3245 to relax and deform; after printing, the print head 321 is raised, the resilient member 3245 returns to its original shape to generate a resilient force, so that the tension seat 324 is reversed, and the used toner ribbon is wound by the resilient force of the resilient member 3245.
Further, positioning disk 3243 is provided with a plurality of positioning hole 3244 that are used for restricting resilience piece 3245 motion, resilience piece 3245 one end can be dismantled with reference column 3242 and be connected, the other end is through wearing to establish different positioning hole 3244, make the torsional force that resilience piece 3245 received different, the colouring material area of different length that the distance cooperation that goes up and down according to printer head 321, thereby the resilience force of adjustment resilience piece 3244 that the positioning hole 3244 that the other end was worn to establish is adjusted resilience piece 3245, the completion is to the rolling of colouring material roll, improve the tensile force of colouring material roll, reduce the influence that the colouring material area printed the material.
Referring to fig. 3 and 5, the lifting assembly 34 includes a cam 341 and a fourth driving member 342 for driving the cam 341 to rotate, the fourth driving member 342 is fixedly connected to the housing 1, the cam 341 is located at an output end of the fourth driving member 342, and a curved profile of the cam 341 contacts and presses against the connecting rod 326. In this embodiment, a second gear set 347 is disposed between the cam 341 and the fourth driving member 342, the second gear set 347 includes a worm wheel and a worm, the worm wheel is connected to the side wall 11 of the casing 1 through a cross bar and is fixedly connected to the cross bar, the worm is fixedly connected to the output end of the fourth driving member 342, the cam 341 is coaxially connected to the worm wheel, and the cam 341 is fixedly connected to the cross bar and rotates synchronously with the worm wheel. The fourth driving part 342 drives the worm to rotate, the worm drives the worm wheel and the cam 341 to rotate, the cam 341 is in contact with and abuts against the connecting rod 326, when the lowest point of the curved surface profile of the cam 341 abuts against the connecting rod 326, the cam 341 rotates to push the printing head 321 to move towards the direction far away from the conveying roller 223, and along with the rotation of the cam 341, the curved surface profile of the cam 341 gradually enables the connecting rod 326 to ascend higher, so that the printing head 321 is in a standby state, and the influence of an unnecessary pigment supply component on the printing effect is avoided; when the highest point of the curved profile of the cam 341 is pressed against the connecting rod 326, the cam 341 rotates to enable the printing head 321 to move towards the direction close to the conveying roller 223, so that the interval between the printing head 321 and the conveying roller 223 is reduced, the printing head 321 is in an operating state, and the printing head 321 is in contact with the material to finish printing.
Referring to fig. 3, in order to secure stability of the rise of the print head 321, accuracy of printing is improved. The lifting assembly 34 further comprises a clamping plate 343, an upright 344, a limiting block 345 for limiting the ascending distance of the printing head 321, and a buffer 346 for buffering, the clamping plate 343 is fixedly connected with the mounting frame 31, the upright 344 is in sliding fit with the clamping plate 343 and is fixedly connected with the printing head 321, the limiting block 345 and the buffer 346 are sleeved on the outer peripheral wall of the upright 344, the limiting block 345 is fixedly connected with one end of the upright 344, one end of the buffer 346 is in contact with and abuts against the limiting block 345, and the other end of the buffer 346 is in contact with and abuts against the clamping plate 343. In the process that the fourth driving rod drives the cam 341 to rotate to press the connecting rod 326 to ascend and descend, the printing head 321 ascends to drive the upright column 344 to ascend to the limit block 345 to contact and press the connecting plate 327, so that the continuous ascending of the printing head 321 is limited, the ascending distance of the printing head 321 is limited, the situation that the contact point of the connecting rod 326 and the cam 341 exceeds the highest point of the curved surface profile in the rotating process of the cam 341 is reduced, and the printing head 321 is ensured to ascend to the standby position.
The clamping plate 343 is located in the mounting frame 31, and the two ends of the clamping plate 343 in the length direction are respectively fixedly connected with the mounting frame 31. The clamping plate 343 is provided with a clamping groove 3431 for accommodating the upright 344, and the upright 344 is detachably connected with the clamping plate 343 through the clamping groove 3431. In this embodiment, five clamping grooves 3431 are disposed at equal intervals on one side of the clamping plate 343; the upright posts 344 are provided with three and equally spaced in the catching grooves 3431. The elastic member is a compression spring.
Referring to fig. 5, further, the printing mechanism 3 further includes a detection assembly 35, the detection assembly 35 includes a first sensor 351 for detecting the working position of the print head 321, a second sensor 352 for detecting the standby position of the print head 321, a resistor sheet, and a controller for controlling whether the print head 321 is activated; the first sensor 351 is electrically connected to an input terminal of the controller and outputs an electric signal indicating whether the print head 321 is moved to the operating position, the second sensor 352 is electrically connected to an input terminal of the controller and outputs an electric signal indicating whether the print head 321 is moved to the standby position, and the resistor sheet is coaxially connected to the cam 341. In this embodiment, the first sensor 351 and the second sensor 352 are resistance sensors, the cam 341 rotates to drive the print head 321 to ascend and descend, and the resistance sheet also rotates, when the print head 321 ascends and moves to the standby position, the resistance sheet moves to the second sensor 352, the second sensor 352 outputs an electric signal to the controller, and the controller controls the print head 321 not to start; when the printing head 321 descends and moves to the working position, the resistor disc moves to the first sensor 351, the first sensor 351 outputs an electric signal to the controller, and the controller controls the printing head 321 to start to print the material.
Referring to fig. 1 and 6, the cutting mechanism includes a cutting assembly 44, a first block 41 for mounting the cutting assembly 44, a second block 42 matching with the first block 41, and a fifth driving member 45 for driving the cutting assembly 44 to move, wherein the first block 41, the second block 42, and the fifth driving member 45 are mounted on the housing 1, and the cutting assembly 44 is mounted on the first block 41.
The first block 41 and the second block 42 are both positioned in the shell 1, the first block 41 is positioned above the second block 42, two ends of the first block 41 and the second block 42 are respectively and fixedly connected with two side walls 11 of the shell 1, and a second material passing channel 43 for passing materials is arranged between the first block 41 and the second block 42; the first stopper 41 is provided with a receiving groove 411 for receiving the cutting assembly 44, a sliding rail 412 is arranged in the receiving groove 411, the length direction of the sliding rail 412 is consistent with the length direction of the receiving groove 411, and the length direction of the sliding rail 412 is perpendicular to the discharging direction of the material.
The cutting assembly 44 comprises a cutter and a pulley, the cutter is fixedly connected with the pulley, the pulley is located in the accommodating groove 411 and is matched with the sliding rail 412, the fifth driving piece 45 drives the pulley to move along the length direction of the sliding rail 412 to drive the cutter to move along with the pulley, and then the printed materials passing through the second material passing channel 43 are cut.
The implementation principle of the thermal transfer printer of the embodiment is as follows: one end of the material roll is arranged on the material placing seat 212, the first driving piece 214 drives the screw rod 213 to rotate, and the distance between the mounting plates 211 is adjusted according to the width of the material roll, so that two ends of the material roll are stably arranged on the material placing seat 212; the material is positioned on the conveying roller 223 through the first material passing channel 226, the second driving member 225 drives the conveying roller 223 to rotate, the pressing roller 224 cooperates with the conveying roller 223 to press the material, and the pressed material is conveyed to the printing mechanism 3 through the conveying roller 223; according to the requirement of printing color, the third driving member 325 in the corresponding ribbon supply assembly 32 drives the mounting seat 323 to rotate to provide the ribbon, and the heating element 322 heats the print head 321 at the same time; the fourth driving part 342 in the lifting assembly 34 corresponding to the ribbon supply assembly 32 drives the cam 341 to rotate, so that the printing head 321 is in an operating state, the material passes through the printing channel 33, and the printing head 321 is contacted with the material to heat and form a pattern to complete printing; the fourth driver 342 drives the cam 341 to rotate, so that the print head 321 that has finished printing is raised so that the print head 321 is in a standby state; the conveying roller 223 conveys the material to the adjacent conveying roller 223, the material is continuously conveyed to pass through the plurality of groups of horizontally arranged ribbon supply assemblies 32, and the material is contacted with the plurality of groups of heated printing heads 321 according to the printing requirement to complete multicolor printing; the printed materials pass through the second material passing channel 43, and the fifth driving member 45 drives the cutting assembly 44 to move so as to cut the printed materials.
The application discloses a thermal printing method suitable for the thermal transfer printer, which comprises the following steps:
and S1, mounting the material roll on the material placing seat 212.
S1-1, the first driving member 214 drives the screw rod 213 to rotate to drive the mounting plates 211 to move, and the distance between the two mounting plates 211 is adjusted according to the width of the material roll, so that the two ends of the material roll are stably mounted on the material placing base 212.
S1-2, the vertical plate drives the material placing seat 212 to move, one end of the material roll is contacted and pressed against the point contact switch 216, and the point contact switch 216 transmits an electric signal to control the first driving part 214 to stop running.
S2, mounting the color material roll on the mounting seat 323; the mounting frame 31 is turned over, the toner roll is mounted on the mounting base 323, and one end of the toner ribbon is wound on the tension base 324 through the lower part of the printing head 321.
S3, the conveying roller 223 conveys the material to the printing channel 33, the material enters the first material passing channel 226, and the material is flattened by the printing roller and the pressing roller 224 and conveyed to the printing channel 33. In some other embodiments, the order of S3 and S2 may be reversed.
And S4, printing.
S4-1, the heating element 322 heats the print head 321 corresponding to the ribbon that prints the desired color.
S4-2, the cam 341 is driven to rotate by the fourth driving part 342, the cam 341 presses against the connecting rod 326 to rotate, so that the printing head 321 moves to the working position, and the printing head 321 is contacted with the material to finish printing.
S4-3, the fourth driving member 342 drives the cam 341 to rotate, the cam 341 presses the connecting rod 326 to rotate, so that the print head 321 moves to the standby position, and the resilient member 3245 returns to deform to drive the tensioning seat 324 to rotate and tighten the color tape.
S4-4, the conveying roller 223 conveys the materials to pass through the next printing channel 33, and the multiple groups of printing heads 321 sequentially move to working positions to contact the materials to complete printing; after the printing is completed, the print head 321 moves to the standby position.
S5, the corresponding tensioning seat 324 rotates to tighten the corresponding toner band.
S6, cutting the printed material; the conveying roller 223 conveys the material through the second material passing channel 43, and the fifth driving member 45 drives the cutting assembly 44 to cut the material.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the present application in any way, wherein like reference numerals refer to like parts throughout, it being understood that the words "front", "back", "left", "right", "upper" and "lower" used in the description above refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of the particular part. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A thermal transfer printer, comprising,
a housing (1);
the feeding mechanism (2) is arranged on the shell (1) and comprises a material placing assembly (21) used for material installation and a conveying assembly (22) used for conveying materials, and the material placing assembly (21) is located at one end of the shell (1);
the printing mechanism (3) comprises a mounting rack (31) and ribbon supply assemblies (32), wherein the ribbon supply assemblies (32) are horizontally provided with a plurality of groups, the mounting rack (31) is installed on the shell (1), and the ribbon supply assemblies (32) are installed on the mounting rack (31); ribbon supply assembly (32) including printing head (321), be used for heating element (322) of printing head (321), mount pad (323) that are used for installing the color roll, with mount pad (323) complex tensioning seat (324) and drive mount pad (323) pivoted third driving piece (325), print head (321) with mounting bracket (31) cooperation of sliding, print head (321) with have between transmission assembly (22) and supply material printing's printing passageway (33), heating element (322) with print head (321) fixed connection, tensioning seat (324) with mounting bracket (323) are located respectively print head (321) both sides and install in mounting bracket (31), third driving piece (325) with mounting bracket (31) fixed connection.
2. The thermal transfer printer according to claim 1, wherein the printing mechanism (3) further comprises a plurality of sets of lifting assemblies (34) for moving the ribbon supply assembly (32), the lifting assemblies (34) are arranged in a one-to-one correspondence with the ribbon supply assembly (32), the lifting assemblies (34) comprise cams (341) and fourth driving members (342) for driving the cams (341) to rotate, the fourth driving members (342) are fixedly connected with the housing (1), and the cams (341) are located at output ends of the fourth driving members (342); the ribbon supply assembly (32) further comprises a connecting rod (326), the connecting rod (326) is fixedly connected with the printing head (321), the connecting rod (326) is in sliding fit with the mounting frame (31), and the curved surface profile of the cam (341) is in contact with and presses against the connecting rod (326).
3. The thermal transfer printer of claim 2, wherein the ribbon supply assembly (32) further comprises a connecting plate (327), the connecting rod (326) is disposed through the connecting plate (327) and is fixedly connected to the connecting plate (327), the connecting plate (327) is slidably engaged with the mounting frame (31), and the connecting plate (327) is fixedly connected to the print head (321).
4. The thermal transfer printer according to claim 2, wherein the lifting assembly (34) further comprises a clamping plate (343), a column (344), a limit block (345) for limiting the ascending distance of the printing head (321), and a buffer member (346) for buffering, the clamping plate (343) is fixedly connected with the mounting frame (31), the column (344) is in sliding fit with the clamping plate (343) and is fixedly connected with the printing head (321), the limit block (345) and the buffer member (346) are sleeved on the peripheral wall of the column (344), the limit block (345) is fixedly connected with one end of the column (344), one end of the buffer member (346) is in contact with and abuts against the limit block (345), and the other end of the buffer member (346) is in contact with and abuts against the clamping plate (343).
5. The thermal transfer printer according to claim 2, characterized in that the tensioning seat (324) is provided with a fixed plate (3241), positioning posts (3242), a positioning disc (3243) and a resilient member (3245) for driving the tensioning seat (324) to return; fixed plate (3241) and mount pad (323) fixed connection, reference column (3242) with fixed plate (3241) fixed connection, positioning disk (3243) with tensioning seat (324) fixed connection, rebound spare (3245) cover establish with tensioning seat (324) periphery wall, just rebound spare (3245) one end with connection can be dismantled in reference column (3242), the other end with connection can be dismantled in positioning disk (3243).
6. The printer according to claim 5, wherein said positioning plate (3243) is provided with a plurality of positioning through holes (3244) for limiting the movement of a resilient member (3245), said resilient member (3245) having one end penetrating said positioning through holes (3244).
7. The thermal transfer printer according to claim 2, wherein the printing mechanism (3) further comprises a detection assembly (35), the detection assembly (35) comprises a first sensor (351) for detecting the working position of the printing head (321), a second sensor (352) for detecting the standby position of the printing head (321), and a controller for controlling whether the printing head (321) is activated, the first sensor (351) is electrically connected with an input end of the controller and outputs an electric signal whether the printing head (321) is moved to the working position, and the second sensor (352) is electrically connected with an input end of the controller and outputs an electric signal whether the printing head (321) is moved to the standby position.
8. A thermal transfer printer according to claim 1, characterized in that said mounting frame (31) is provided with a rotary rod (311) and a first connection hole (313) for the rotary rod (311) to pass through, said casing (1) is provided with a second connection hole (12) for the rotary rod (311), said rotary rod (311) passes through said first connection hole (313) and said second connection hole (12) simultaneously, and said mounting frame (31) is rotatably connected with said casing (1).
9. The thermal transfer printer according to claim 1, wherein the material placing assembly (21) comprises a mounting plate (211), a material placing seat (212) for mounting a material roll, a screw rod (213) and a first driving member (214) for driving the screw rod (213) to rotate, the first driving member (214) is fixedly connected with the housing (1), the screw rod (213) penetrates through the mounting plate (211) and is in threaded connection with the mounting plate (211), the mounting plate (211) is in sliding fit with the housing (1), and the material placing seat (212) is mounted on the mounting plate (211).
10. A method of printing with a thermal transfer printer as claimed in any one of claims 1 to 9, comprising the steps of:
mounting a material roll on a material placing seat (212);
mounting the color material roll on a mounting seat (323); wherein, the mounting rack (31) is turned over, the pigment roll is arranged on the mounting seat (323), and one end of the pigment belt is wound on the tensioning seat (324);
a conveying roller (223) conveys the material to the printing channel (33);
printing; wherein, the monochrome printing is carried out, the printing color is judged, and the heating element (322) heats the printing head (321) of the corresponding color material belt; the printing head (321) moves to a working position, and the printing head (321) corresponding to the color material belt is contacted with the material to finish printing; the printing head (321) moves to a standby position, and the tensioning seat (324) rotates to tighten the color material belt;
multi-color printing; the printing heads (321) of the multiple groups of required color material belts are heated, the multiple groups of printing heads (321) sequentially move to working positions to be in contact with the materials to finish printing, after printing is finished, the printing heads (321) move to standby positions, and the corresponding tensioning seats (324) rotate to tighten the corresponding color material belts.
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| CN202210552030.8A CN115056578A (en) | 2022-05-20 | 2022-05-20 | Thermal transfer printer and printing method |
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| CN202210552030.8A CN115056578A (en) | 2022-05-20 | 2022-05-20 | Thermal transfer printer and printing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116100959A (en) * | 2022-12-30 | 2023-05-12 | 武汉精臣智慧标识科技有限公司 | Printer module |
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