CN204382804U - A kind of two pressure print head assembly - Google Patents
A kind of two pressure print head assembly Download PDFInfo
- Publication number
- CN204382804U CN204382804U CN201420796241.7U CN201420796241U CN204382804U CN 204382804 U CN204382804 U CN 204382804U CN 201420796241 U CN201420796241 U CN 201420796241U CN 204382804 U CN204382804 U CN 204382804U
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- Prior art keywords
- motor
- rotating shaft
- printhead
- press head
- rubber roller
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Abstract
The utility model discloses a kind of two pressure print head assembly, comprise printhead, printing rubber roller, rotating shaft and press head motor; Described rotating shaft both sides are equipped with described press head motor, and described rotating shaft drives described printhead under the driving of press head motor described in both sides, and described printhead and described printing rubber roller extrude and arrange; Described press head motor is brake motor; Also comprise two strong plates, described printhead, printing rubber roller and rotating shaft are located between two strong plates, and described rotating shaft is connected with the described press head motor of both sides through strong plate.The utility model by all arranging press head motor in rotating shaft both sides, solves existing printhead rotating shaft when only having side motor, the phenomenon such as cause pressure in printhead lateral extent uneven; Select brake motor, ensure that press head motor stabilizing runs, thus impel to beat and between head and printing rubber roller, keep constant pressure, solve traditional torque motor and easily cannot ensure to beat pressure between head and printing rubber roller by multifactor impact.
Description
Technical field
The utility model belongs to printer technology field, in particular to a kind of two pressure print head assembly.
Background technology
Existing printhead rotating shaft is provided with machine operation in order to provide the pressure between printhead and printing rubber roller in side, when printhead rotating shaft only has side to have a motor, the phenomenon such as cause pressure in printhead lateral extent uneven is more outstanding to wide cut printhead especially.To printing effect, printing precision etc. cause bad impact.
Summary of the invention
Goal of the invention: in order to ensure better printing effect and printing precision, the utility model provides a kind of two pressure print head assembly.
Technical scheme: two pressure print head assembly described in the utility model, comprises printhead, printing rubber roller, rotating shaft and press head motor; Described rotating shaft both sides are equipped with described press head motor, and described rotating shaft drives described printhead under the driving of press head motor described in both sides, and described printhead and described printing rubber roller extrude and arrange; Described press head motor is brake motor.By all arranging press head motor in rotating shaft both sides, and press head motor adopts brake motor, in print procedure, the rotating shaft of press head driven by motor rotates the constant pressure ensureing printhead extruding printing rubber roller, ensure whole print procedure stable operation, to avoid occurring in printhead lateral extent the phenomenons such as pressure is uneven, print this phenomenon in wide cut especially more outstanding, cause causing bad impact to printing effect, printing precision etc.
Further, the utility model also comprises two strong plates, and described printhead, printing rubber roller and rotating shaft are located between two strong plates, and described rotating shaft is connected with the described press head motor of both sides through strong plate.Ensure that rotating shaft and press head motor are installed by strong plate more stable.
Described strong plate is provided with the through hole one installing described printhead and the through hole two installing described printing rubber roller.
Described press head motor is energising brake motor or power interruption braking motor.More preferably, described press head motor is power interruption braking motor.
Beneficial effect: compared with prior art, advantage of the present utility model: by all arranging press head motor in rotating shaft both sides, solve existing printhead rotating shaft when only having side motor, the phenomenon such as cause pressure in printhead lateral extent uneven, more outstanding to wide cut printhead especially, bad impact is caused on printing effect, printing precision etc.Select brake motor, ensure that press head motor stabilizing runs, thus impel beat keep constant pressure between head and printing rubber roller, solve traditional torque motor be easily subject to multifactor impact thus cannot ensure to beat pressure between head and printing rubber roller, and there is the problems such as the printing effect unstable in running, printer cannot be ensured in traditional torque motor.The utility model is by optimizing structure simultaneously, makes printing rubber roller and beat head to install more convenient more firm, ensures the stability of printing effect further.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model projects from left side.
Fig. 2 is the structural representation of the utility model from rightmost projection.
Detailed description of the invention
Below by accompanying drawing, technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
embodiment 1:two pressure print head assemblies as shown in accompanying drawing 1,2, comprise printhead 2, printing rubber roller 3, rotating shaft 1, press head motor 4 and strong plate 5; The quantity of strong plate 5 is two, and printhead 2, printing rubber roller 3, rotating shaft 1 are located between two strong plates 5, and strong plate 5 is provided with the through hole 1 installing rotating shaft 1 and the through hole 27 installing printing rubber roller 3, and rotating shaft 1 is connected with the press head motor 4 of both sides through through hole 1; Press head motor 4 is power interruption braking motor.
Printhead 2, printing rubber roller 3, rotating shaft 1, press head motor 4 are arranged on after on strong plate 5, start press head motor 4, be power interruption braking motor due to what adopt, start steadily, stable output in running, ensure that printhead 2 compresses the pressure stability of printing rubber roller 3, thus can ensure frictional force in print procedure between printing rubber roller 3 and print media constant and stable provide constant tractive force to print media, avoid fold and the skidding of print media.Power interruption braking motor can not start suddenly because of press head motor 4 or variable effect by environment temperature and input voltage cause more greatly power output unstable, causes the non-constant of pressure between printhead 2 and printing rubber roller 3.The inconstant problem of solution pressure that the utility model is fine, avoids non-constant print media fold or the skidding effect diagram of causing of pressure as print quality.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (5)
1. a two pressure print head assembly, is characterized in that: comprise printhead, printing rubber roller, rotating shaft and press head motor; Described rotating shaft both sides are equipped with described press head motor, and described rotating shaft drives described printhead under the driving of press head motor described in both sides, and described printhead and described printing rubber roller extrude and arrange; Described press head motor is brake motor.
2. two pressure print head assembly according to claim 1, it is characterized in that: also comprise two strong plates, described printhead, printing rubber roller and rotating shaft are located between two strong plates, and described rotating shaft is connected with the described press head motor of both sides through strong plate.
3. two pressure print head assembly according to claim 2, is characterized in that: described strong plate is provided with the through hole one installing described printhead and the through hole two installing described printing rubber roller.
4. two pressure print head assembly according to claim 1, is characterized in that: described press head motor is energising brake motor or power interruption braking motor.
5. two pressure print head assembly according to claim 4, is characterized in that: described press head motor is power interruption braking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796241.7U CN204382804U (en) | 2014-12-15 | 2014-12-15 | A kind of two pressure print head assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796241.7U CN204382804U (en) | 2014-12-15 | 2014-12-15 | A kind of two pressure print head assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204382804U true CN204382804U (en) | 2015-06-10 |
Family
ID=53355554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796241.7U Active CN204382804U (en) | 2014-12-15 | 2014-12-15 | A kind of two pressure print head assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204382804U (en) |
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2014
- 2014-12-15 CN CN201420796241.7U patent/CN204382804U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |