CN112297645A - Thermal printer core - Google Patents
Thermal printer core Download PDFInfo
- Publication number
- CN112297645A CN112297645A CN202011326250.6A CN202011326250A CN112297645A CN 112297645 A CN112297645 A CN 112297645A CN 202011326250 A CN202011326250 A CN 202011326250A CN 112297645 A CN112297645 A CN 112297645A
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- CN
- China
- Prior art keywords
- rubber roller
- printing head
- frame
- assembly
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007639 printing Methods 0.000 claims abstract description 42
- 238000007651 thermal printing Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
Landscapes
- Electronic Switches (AREA)
Abstract
A thermal printer movement comprises a frame, a printing head assembly and a rubber roller assembly, and is characterized in that shaft grooves for rotating two ends of the rubber roller assembly are formed in two sides of the frame, a rotating plate is rotatably arranged on the frame and comprises a connecting part arranged in parallel with a printing head bracket and a swinging part arranged at one side of the connecting part, and the swinging part is close to the shaft grooves of the frame; the connecting part is positioned on one side of the printing head bracket and is provided with an elastic part between the connecting part and the back surface of the printing head bracket, and the elastic part always forces the thermal printing head to be close to the rubber roller component. The connecting portion of rotor plate replaces the mounting panel of original installation elastic component, utilizes the elastic component to realize the restoration of rotor plate simultaneously, combines the restoration of the design that compresses tightly of printhead subassembly and rotor plate, and the structure is compacter, does benefit to the assembly.
Description
Technical Field
The present invention relates to a printer apparatus, and more particularly, to a portable thermal printer.
Background
The existing Thermal printer generally comprises a frame, a motor, a transmission gear assembly, a printing Head assembly and a rubber roll which can be rotatably arranged on the frame, wherein a power input end of the transmission gear assembly is meshed with an active output gear of the motor, a power output end of the transmission gear assembly is meshed with the rubber roll gear arranged at the end part of the rubber roll, the rubber roll is used for driving printing paper to move, a paper feeding channel is arranged between the rubber roll and the printing Head assembly, the printing Head assembly generally comprises a printing Head (TPH for short, Thermal Print Head), a printing Head support, a pressure spring and a pressure spring support frame, the printing Head is arranged on the printing Head support, two ends of the frame are arranged at two ends of the pressure spring support frame, two ends of the pressure spring. When the printing paper is loaded or corrected, the printing paper is generally loaded or corrected by disassembling the rubber roller, two bearings are generally arranged at two ends of the rubber roller, a shaft groove for arranging the bearings is formed in the rack, the shaft groove is semicircular, and the bearings are always positioned in the shaft groove in a working state; when needing to feed paper, the rubber roller communicating bearing can be easily separated from the shaft groove. But has the following disadvantages: the bearing has larger range of play in the shaft groove, which influences the normal operation of the rubber roller.
Therefore, an improved structure is disclosed in the prior art, and the improved structure refers to the chinese utility model patent with patent number ZL200520130017.5, namely miniature heat medium printer movement (with the number of grant publication being CN2725292Y), wherein a door opening pressing sheet and a return elastic sheet are additionally arranged in the improved structure, and the pressure of the return elastic sheet acts on the door opening pressing sheet, so as to ensure that the rubber roller is stably positioned in the positioning groove. The door opening pressing piece is an unconventional part, so that the process difficulty is improved, and the manufacturing cost is increased.
On this basis, the applicant has developed a novel rubber roll detachable construction, see chinese utility model patent No. ZL201120357824.6 frame and rubber roll assembly structure and applied the thermal printer that has this assembly structure (the grant bulletin number is CN202271666U), the shaft inslot of frame is located through the jump ring of a special shape system to the bearing in this patent for the assembly of rubber roll is shirked easily swiftly, and simultaneously, in the use, the bearing can not take place the drunkenness by the effect of the spacing portion of elasticity hardly, guarantees the normal stable operation of rubber roll.
Further, the applicant develops an improved structure, see chinese patent invention of rubber roller assembly mounting structure (publication No. CN107284048B) with patent No. ZL201710535434.5, which realizes a detachable design through a shaft lever, a first rotating shaft, a second rotating shaft, a swinging member and a wrench, but the whole design is complicated, the assembly has certain difficulty, and the detached rubber roller assembly can be completely ejected from the rack, one ejected rubber roller assembly is not easy to control, and the other rubber roller assembly brings certain inconvenience for re-installation.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a thermal printer core with compact design and convenient assembly in view of the above technical situation.
The second technical problem to be solved by the invention is to provide a thermal printer core which is easy to control after the rubber roller component is disengaged.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a thermal printer movement comprises a frame, a printing head assembly and a rubber roller assembly, wherein the printing head assembly is arranged on the frame, the rubber roller assembly can be rotatably arranged on the frame and is close to the printing head assembly, the thermal printer movement is characterized in that shaft grooves for rotatably arranging two ends of the rubber roller assembly are formed in two sides of the frame, the printing head assembly comprises a printing head bracket and a thermal printing head arranged on the printing head bracket, and two ends of the printing head bracket can be movably arranged on the frame; the frame is rotatably provided with a rotating plate, the rotating plate comprises a connecting part arranged in parallel with the printing head bracket and at least one swinging part arranged on one side of the connecting part, and the swinging part is arranged close to a shaft groove of the frame; the connecting part is positioned on one side of the printing head bracket, an elastic part is arranged between the connecting part and the back surface of the printing head bracket, and the elastic part always forces the thermal printing head to be close to the rubber roller component; the front end of the swinging part is provided with a limiting part for limiting the end part of the rubber roller assembly to be separated from the shaft groove and a driving part for driving the end part of the rubber roller assembly to be separated from the shaft groove, a groove is formed between the limiting part and the driving part, and the swinging part is laterally extended outwards with a pressing part which can enable the rotating plate to rotate after being pressed;
in the initial state, two ends of the rubber roller component can be rotatably arranged on the shaft groove, and the limiting part limits the end part of the rubber roller component in the shaft groove; after pressing the splenium and pressing the atress, the rotor plate rotates, and the spacing to rubber roll subassembly tip is relieved in the upset of restriction portion, and drive division acts on rubber roll subassembly tip and orders about rubber roll subassembly and breaks away from the axle groove, and simultaneously, the elastic component takes place deformation in the twinkling of an eye.
Preferably, the connecting portion is provided with a swing portion on each side thereof, each swing portion is formed with a restricting portion and a driving portion, and at least one of the swing portions has a pressing portion.
Preferably, the swing portion is rotatably provided inside the frame via a connecting shaft.
Further, the frame include bottom plate portion and the shaping in the installation department of bottom plate portion both sides, the connecting axle set up on the installation department, beat printer head support both sides and locate the installation department inboard through the connecting pin can rotate, and, beat printer head support at least one end and transversely extend and have the extension, correspondingly, the installation department shaping has the spacing hole that supplies aforementioned extension to stretch into, aforementioned extension can be spacing downthehole activity and obtain.
Preferably, the connecting portion, the swinging portion and the pressing portion are an integral piece, or are separately designed and then integrally connected and assembled.
Further, the port of the shaft groove is arranged obliquely upwards. The rubber roller component can smoothly enter the shaft groove.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the rubber roller component can be rotatably arranged on the rubber roller bracket, and two ends of the rubber roller bracket are rotatably connected with the rack. After the rubber roller assembly is separated from the printing paper, the rubber roller support is automatically driven to overturn, so that the rubber roller support cannot bounce greatly under the constraint of the rubber roller support, the control is easy, after printing paper is assembled, the operation is convenient as long as the rubber roller support is pressed.
Further, a paper guide plate is obliquely arranged at the paper feeding end of the rack, pin shaft portions extend from two sides of the paper guide plate respectively, and correspondingly, strip-shaped shaft holes matched with the pin shaft portions are formed in two ends of the rubber roll support respectively. The round pin axial region can be in bar shaft hole the inside lateral shifting, does benefit to and improves rubber roll subassembly and opens range, is convenient for adorn paper or arrange in order and beat the printing paper operation.
Compared with the prior art, the invention has the advantages that: the connecting portion of rotor plate replaces the mounting panel of original installation elastic component, utilizes the elastic component to realize the restoration of rotor plate simultaneously, combines the restoration of the design that compresses tightly of printhead subassembly and rotor plate, and the structure is compacter, does benefit to the assembly.
Drawings
FIG. 1 is a schematic structural diagram of the embodiment
Fig. 2 is an exploded view of the embodiment.
Fig. 3 is a schematic view of another structure in accordance with the present embodiment.
FIG. 4 is an assembly view of the rubber roll holder and the paper guide plate in the embodiment
FIG. 5 is a state diagram after the rubber roller assembly is released in the embodiment.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, 2 and 3, the thermal printer movement in this embodiment includes a frame 1, a motor 6, a transmission gear set 61, a print head assembly 3 and a rubber roller assembly 2, the print head assembly 3 is disposed on the frame 1, the rubber roller assembly 2 is rotatably disposed on the frame 1 and is disposed close to the print head assembly 3, an input gear 211 is disposed at one end of the rubber roller assembly 2, and the motor 6 drives the rubber roller assembly 2 to rotate through the transmission gear set 61.
The two sides of the frame 1 are provided with shaft grooves 14 for the two ends of the rubber roll component 2 to rotate, and the ports of the shaft grooves 14 are arranged obliquely upwards. The print head assembly 3 comprises a print head support 32 and a thermal print head 31 arranged on the print head support 32, and two ends of the print head support 32 can be movably arranged on the frame 1.
A rotating plate 4 is rotatably arranged on the frame 1, the rotating plate 4 comprises a connecting part 42 arranged in parallel with the print head bracket 32 and at least a swinging part 41 arranged on one side of the connecting part 42, and the swinging part 41 is arranged close to the shaft groove 14 of the frame 1; the connecting part 42 is arranged at one side of the print head bracket 32 and is provided with an elastic part 35 between the back of the print head bracket 32 and the connecting part, the elastic part 35 always forces the thermal print head 31 to be close to the rubber roller component 2, and the elastic part 35 in the embodiment adopts a tower-shaped spring; the front end of the swinging part 41 is provided with a limiting part 411 for limiting the end part of the rubber roller assembly 2 to be separated from the shaft groove 14 and a driving part 412 for driving the end part of the rubber roller assembly 2 to be separated from the shaft groove 14, a groove is formed between the limiting part 411 and the driving part 412, and the swinging part 41 is laterally extended outwards to form a pressing part 43 which can enable the rotating plate 4 to rotate after being pressed; the connecting portion 42 in this embodiment is provided with swing portions 41 on both sides thereof, each swing portion 41 is formed with a restricting portion 411 and a driving portion 412, and one of the swing portions 41 has a pressing portion 43. The swing portion 41 is rotatably provided inside the frame 1 via the connecting shaft 33.
The connecting portion 42, the swinging portion 41, and the pressing portion 43 in the present embodiment are an integral piece, and are strong and easy to manufacture.
The frame 1 in this embodiment includes a bottom plate portion 12 and mounting portions 11 formed on both sides of the bottom plate portion 12, a connecting shaft 33 is disposed on the mounting portions 11, both sides of a print head holder 32 are rotatably disposed inside the mounting portions 11 through connecting pins, and at least one end of the print head holder 32 extends transversely to form an extension portion 34, and correspondingly, the mounting portions 11 are formed with limiting holes 13 into which the extension portion 34 extends, and the extension portion 34 can move in the limiting holes 13 and is limited. The connecting shaft and the connecting pin in this embodiment share one member. A touch switch 1a is arranged on one side of the mounting part 11, a touch head of the touch switch 1a is arranged close to the rubber roller assembly 2, and when the rubber roller assembly 2 is disconnected, a signal is triggered to cut off a circuit.
Referring to fig. 4, the rubber roller assembly 2 in this embodiment is rotatably disposed on the shaft hole 222 of the rubber roller bracket 22, and two ends of the rubber roller bracket 22 are rotatably connected to the frame 1, specifically, the paper feeding end of the frame 1 is obliquely disposed with a paper guide plate 5, two sides of the paper guide plate 5 are respectively extended with a pin shaft portion 51, and correspondingly, two ends of the rubber roller bracket 22 are respectively provided with a strip-shaped shaft hole 221 matched with the pin shaft portion 51.
As shown in fig. 1, in the initial state, both ends of the rubber roller assembly 2 are rotatably disposed on the shaft groove 14, and the limiting portion 411 limits the end of the rubber roller assembly 2 in the shaft groove 14; as shown in fig. 5, after the pressing portion 43 is pressed and stressed, the rotating plate 4 rotates, the limiting portion 411 turns over to release the limitation on the end portion of the rubber roller assembly 2, the driving portion 412 acts on the end portion of the rubber roller assembly 2 and drives the rubber roller assembly 2 to be separated from the shaft groove 14, the rubber roller bracket 22 turns over, the strip-shaped hole 221 of the rubber roller bracket 22 slides down to the other end along the shaft pin portion, and further the rubber roller assembly 2 is separated from the frame 1. Meanwhile, the elastic member 35 is instantaneously deformed, the printing head assembly 3 is turned over and the compression to the printing paper is instantaneously weakened, and at this time, paper can be loaded or printing paper can be tidied up.
In the thermal printer core in the past, the design that compresses tightly of printhead assembly adopts an elastic component to offset the realization with a mounting panel of frame, shirk the mechanism and adopt the torsional spring to realize reseing, and this embodiment then does not have the mounting panel, also does not have the torsional spring, and replace the mounting panel with the connecting portion of rotor plate, utilize the elastic component to realize reseing of rotor plate simultaneously, the structure is compacter, do benefit to the assembly, and simultaneously, rubber roll subassembly breaks away from the back, the automatic rubber roll support that drives overturns, consequently, the restraint of receiving the rubber roll support can not bounce very greatly, easy control, beat printing paper assembly back, as long as press the rubber roll support can, the.
Claims (8)
1. A thermal printer movement comprises a frame (1), a printing head assembly (3) and a rubber roller assembly (2), wherein the printing head assembly (3) is arranged on the frame (1), and the rubber roller assembly (2) can be rotatably arranged on the frame (1) and is arranged close to the printing head assembly (3), and is characterized in that shaft grooves (14) for rotatably arranging two ends of the rubber roller assembly (2) are formed in two sides of the frame (1), the printing head assembly (3) comprises a printing head bracket (32) and a thermal printing head (31) arranged on the printing head bracket (32), and two ends of the printing head bracket (32) can be movably arranged on the frame (1); the printing head support is characterized in that a rotating plate (4) is rotatably arranged on the rack (1), the rotating plate (4) comprises a connecting part (42) arranged in parallel with the printing head support (32) and at least one swinging part (41) arranged on one side of the connecting part (42), and the swinging part (41) is arranged close to a shaft groove (14) of the rack (1); the connecting part (42) is positioned on one side of the printing head bracket (32) and is provided with an elastic piece (35) between the connecting part and the back surface of the printing head bracket (32), and the elastic piece (35) always forces the thermal printing head (31) to be close to the rubber roller component (2); the front end of the swinging part (41) is provided with a limiting part (411) for limiting the end part of the rubber roller assembly (2) to be separated from the shaft groove (14) and a driving part (412) for driving the end part of the rubber roller assembly (2) to be separated from the shaft groove (14), a groove is formed between the limiting part (411) and the driving part (412), and a pressing part (43) which can enable the rotating plate (4) to rotate after being pressed extends outwards in the side direction of the swinging part (41);
in the initial state, both ends of the rubber roller component (2) are rotatably arranged on the shaft groove (14), and the limiting part (411) limits the end part of the rubber roller component (2) in the shaft groove (14); after the pressing part (43) is pressed and stressed, the rotating plate (4) rotates, the limiting part (411) overturns to release the limit on the end part of the rubber roller component (2), the driving part (412) acts on the end part of the rubber roller component (2) and drives the rubber roller component (2) to be separated from the shaft groove (14), and meanwhile, the elastic part (35) deforms instantly.
2. A thermal printer movement according to claim 1, characterised in that the connection portion (42) is provided on each side with a swinging portion (41), each swinging portion (41) is formed with a restricting portion (411) and a driving portion (412), and at least one of the swinging portions (41) has a pressing portion (43).
3. A thermal printer movement according to claim 2, characterised in that the oscillating portion (41) is rotatably arranged inside the frame (1) by means of a connecting shaft (33).
4. The thermal printer movement according to claim 3, wherein the frame (1) includes a bottom plate (12) and mounting portions (11) formed on both sides of the bottom plate (12), the connecting shaft (33) is disposed on the mounting portions (11), both sides of the print head holder (32) are rotatably disposed inside the mounting portions (11) by connecting pins, and at least one end of the print head holder (32) extends transversely to form an extension portion (34), and correspondingly, the mounting portions (11) are formed with limiting holes (13) into which the extension portions (34) extend, and the extension portions (34) are movable in the limiting holes (13) to be limited.
5. A thermal printer movement according to claim 1, characterised in that the glue roller assembly (2) is rotatably mounted on a glue roller holder (22), the two ends of the glue roller holder (22) being rotatably connected to the frame (1).
6. A thermal printer movement according to claim 5, characterised in that the feed end of the frame (1) is provided obliquely with a paper guide (5), the two sides of the paper guide (5) are extended with a pin shaft (51), correspondingly, the two ends of the rubber roller holder (22) are provided with a strip-shaped shaft hole (221) matching with the pin shaft (51).
7. A thermal printer movement according to claim 1, characterised in that the connecting portion (42), the swinging portion (41) and the pressing portion (43) are made of one piece or are separately designed and then integrally connected and assembled.
8. A thermal printer cartridge according to claim 1, characterised in that the port of the axle slot (14) is arranged obliquely upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011326250.6A CN112297645A (en) | 2020-11-24 | 2020-11-24 | Thermal printer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011326250.6A CN112297645A (en) | 2020-11-24 | 2020-11-24 | Thermal printer core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112297645A true CN112297645A (en) | 2021-02-02 |
Family
ID=74335595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011326250.6A Pending CN112297645A (en) | 2020-11-24 | 2020-11-24 | Thermal printer core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112297645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752706A (en) * | 2021-10-13 | 2021-12-07 | 厦门仕旺慧节能科技有限公司 | Support structure of thermal printing head |
| CN116674304A (en) * | 2023-06-09 | 2023-09-01 | 珠海恒茂电子科技有限公司 | Printer core and printer with balanced pressing force |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263021A (en) * | 1996-03-29 | 1997-10-07 | Fujitsu Takamizawa Component Kk | Thermal printer |
| CN203780051U (en) * | 2014-03-28 | 2014-08-20 | 山东新北洋信息技术股份有限公司 | Printing device |
| CN204547356U (en) * | 2015-01-29 | 2015-08-12 | 珠海正芯电子科技有限公司 | Bill printer core |
| CN214056959U (en) * | 2020-11-24 | 2021-08-27 | 宁波精芯科技有限公司 | Thermal printer core |
-
2020
- 2020-11-24 CN CN202011326250.6A patent/CN112297645A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263021A (en) * | 1996-03-29 | 1997-10-07 | Fujitsu Takamizawa Component Kk | Thermal printer |
| CN203780051U (en) * | 2014-03-28 | 2014-08-20 | 山东新北洋信息技术股份有限公司 | Printing device |
| CN204547356U (en) * | 2015-01-29 | 2015-08-12 | 珠海正芯电子科技有限公司 | Bill printer core |
| CN214056959U (en) * | 2020-11-24 | 2021-08-27 | 宁波精芯科技有限公司 | Thermal printer core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752706A (en) * | 2021-10-13 | 2021-12-07 | 厦门仕旺慧节能科技有限公司 | Support structure of thermal printing head |
| CN113752706B (en) * | 2021-10-13 | 2022-07-26 | 厦门仕旺慧节能科技有限公司 | Support structure of thermal printing head |
| CN116674304A (en) * | 2023-06-09 | 2023-09-01 | 珠海恒茂电子科技有限公司 | Printer core and printer with balanced pressing force |
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