CN102991146B - A kind of plane marking roll of impact printer - Google Patents
A kind of plane marking roll of impact printer Download PDFInfo
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- CN102991146B CN102991146B CN201210463964.0A CN201210463964A CN102991146B CN 102991146 B CN102991146 B CN 102991146B CN 201210463964 A CN201210463964 A CN 201210463964A CN 102991146 B CN102991146 B CN 102991146B
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Abstract
The invention discloses a kind of plane marking roll of impact printer, it comprises support, and support two ends are along its length connected with the back shaft be fixed on by support installing on printer support, and supporting the tip of the axis is special-shaped installed surface; Described cradle top is provided with draw-in groove portion, draw-in groove portion is injected with flexible glue layer, and the median surface of flexible glue layer is horizontal plane, and two sides are inclined plane.Location is installed convenient, accurate between the present invention and frame; Flexible glue layer not easily gets loose from support, and median surface is horizontal plane, makes print job face identical with the distance between printhead, ensure that the ink marks that printhead prints on paper is even, improves print quality; In addition, this structure can guarantee the thinner thickness of flexible glue layer, ensure that the spacing of printer in the temperature range of regulation between print job face and printhead only has few change, effectively can improve print quality in extreme temperature conditions.
Description
Technical field
The present invention relates to a kind of plane marking roll of impact printer.
Background technology
For impact printer, immediately below printhead, position all can be provided with marking roll usually, and the print needle of printhead falls to clashing into marking roll and be printed on paper by ink marks.Marking roll in conventional art comprises one and is fixed on center circular shaft on printer support, on the circular shaft of center, gluing is bonded with the rubber layer of whole circle, the thickness of rubber layer generally reaches more than 5mm, in the printer course of work, marking roll rotates, the end face of this marking roll and print job face are the periphery of rubber layer, this makes distance between print job face to printhead not etc., present the state that centre is near, both sides are far away, the ink marks that printhead is imprinted on paper is uneven, thus affects to print quality; In addition, be bonded on the circular shaft of center because rubber layer is whole circle gluing, make the total quality of marking roll heavier, waste raw material; Meanwhile, rubber layer thickness is thicker, due to effect of expanding with heat and contract with cold in the printer course of work, makes the distance between print job face and printhead occur changing because of variations in temperature, especially in extreme temperatures, may affect the print quality of printer.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of plane marking roll of impact printer, it has, and use raw material are few, quality is light, noise reduction effect good, print quality is high, Applicable temperature scope wide, can be applicable to the features such as extreme temperature conditions.
The technical solution adopted for the present invention to solve the technical problems is:
A plane marking roll for impact printer, it comprises support, and support two ends are along its length connected with the back shaft be fixed on by support installing on printer support, and supporting the tip of the axis is special-shaped installed surface; Described cradle top is provided with draw-in groove portion, draw-in groove portion is injected with flexible glue layer, and the median surface of flexible glue layer is horizontal plane, and two sides are inclined plane.
As the improvement of technique scheme, described support two ends are along its length provided with axis hole, back shaft be circular shaft and interference fit in the axis hole of support, the hole of axis hole is along being provided with air discharge duct.
As the further improvement of technique scheme, in the axis hole of described support, be filled with sound-absorbing filler.
Further, described back shaft is circular shaft and is welded in support two ends along its length.
Preferably, the thickness of the median surface of described flexible glue layer is below 2.0mm.
Further, described special-shaped installed surface is a D shape face.
The invention has the beneficial effects as follows: the present invention, by being provided with special-shaped installed surface at support the tip of the axis, makes to install location between marking roll and frame conveniently, accurately; Cradle top is provided with draw-in groove portion, draw-in groove portion is injected with flexible glue layer, the median surface of flexible glue layer is horizontal plane, two sides are inclined plane, flexible glue layer can not be got loose from support, and median surface is horizontal plane, makes print job face identical with the distance between printhead, ensure that the ink marks that printhead prints on paper is even, improve print quality; In addition, this structure can guarantee the thinner thickness of flexible glue layer, to be bonded on the circular shaft of Zheng Gen center relative to gluing in conventional art and the thicker rubber layer of thickness, ensure that the spacing of printer in the temperature range of regulation between print job face and printhead only has few change, effectively can improve print quality in extreme temperature conditions.The present invention is simple and reasonable, use raw material are few, quality is light, noise reduction effect good, print quality is high, can be applicable to extreme temperature conditions.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is another angled arrangement schematic diagram of the present invention's (hiding flexible glue layer);
Fig. 3 is medium-height trestle of the present invention front view along its length.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 3, the plane marking roll of a kind of impact printer of the present invention, it comprises support 1, support 1 two ends are along its length connected with the back shaft 3 be fixed on by support 1 on printer support, support 1 and back shaft 3 adopt stainless steel or aluminum alloy materials, preferably described support 1 two ends are along its length provided with axis hole 11, back shaft 3 be circular shaft and interference fit in the axis hole 11 of support 1, the hole of axis hole 11 is along being provided with air discharge duct 12, bracing frame 3 is arranged to circular shaft and is convenient to processing, clamping, inspection, assembling and positioning and precision is higher, by back shaft 3 interference fit in the axis hole 11 of support 1, ensure that back shaft 3 and support 1 in the course of the work relative motion can not occur, the air in axis hole 11 is discharged in the hole of axis hole 11 when the air discharge duct 12 that place is arranged is then and is pressed in axis hole 11 for back shaft 3, alleviate air drag, be convenient to install.
Certainly, also described back shaft 3 can be set to circular shaft and be welded in support 1 two ends along its length.
The end of described back shaft 3 is provided with special-shaped installed surface 31, printer support is provided with corresponding irregularly-shaped hole to coordinate special-shaped installed surface 31, and preferred described special-shaped installed surface 31 is a D shape face, guarantees the print job face level of flexible glue layer 4.Certainly, special-shaped installed surface 31 also can be hexagonal surfaces etc.
Described support 1 top is provided with draw-in groove portion 13, draw-in groove portion 13 is injected with flexible glue layer 4, the median surface of flexible glue layer 4 is horizontal plane, two sides are inclined plane, support 1 and draw-in groove portion 13 can adopt an aluminium alloy extrusion molding, have the advantages such as technique is simple, use raw material are few, quality is light, with low cost.Flexible glue layer 4 can select PU glue-line, the median surface of flexible glue layer 4 is the print job face of plane marking roll, and print job face is horizontal plane, makes print job face identical with the distance between printhead, ensure that the ink marks that printhead prints on paper is even, improve print quality; It is that paper forward position directly abuts with print job face and makes the curling generation paper jam phenomenon of paper in order to avoid when paper feed that inclined plane is arranged in the two sides of flexible glue layer 4.By flexible glue layer 4 injection moulding in draw-in groove portion 13, avoid and adopt gluing bonding mode flexible glue layer to be bonded in mode on support 1, make flexible glue layer 4 can not loose or dislocation in the printer course of work.In addition, the marking roll of this structure can guarantee the thinner thickness of flexible glue layer 4, the thickness of the median surface of flexible glue layer 4 is below 2.0mm, be preferably 1.5mm, to be bonded on the circular shaft of Zheng Gen center relative to gluing in conventional art and thickness at the rubber layer of more than 5.0mm, the varied in thickness that flexible glue layer 4 occurs because expanding with heat and contract with cold is less, ensure that the spacing of printer in the temperature range of regulation between print job face and printhead only has few change, Applicable temperature scope is wide, effectively can improve print quality in extreme temperature conditions.
As the improvement of above-mentioned embodiment, axis hole 11 is provided with at described support 1 two ends along its length, back shaft 3 is circular shaft and the structure of interference fit in the axis hole 11 of support 1, sound-absorbing filler can be filled with in the axis hole 11 of described support 1, sound-absorbing filler can be the material such as sponge, silica gel, the vibration produced during to absorb printhead impact marking roll, reduces further and prints noise.
The above, just preferred embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches technique effect of the present invention with any same or similar means, all should fall within protection scope of the present invention.
Claims (4)
1. a plane marking roll for impact printer, is characterized in that: comprise support, and support two ends are along its length connected with the back shaft be fixed on by support installing on printer support, and supporting the tip of the axis is special-shaped installed surface; Described cradle top is provided with draw-in groove portion, draw-in groove portion is injected with flexible glue layer, and the median surface of flexible glue layer is horizontal plane, and two sides are inclined plane; Described support two ends are along its length provided with axis hole, back shaft be circular shaft and interference fit in the axis hole of support, the hole of axis hole is along being provided with air discharge duct; Sound-absorbing filler is filled with in the axis hole of described support.
2. the plane marking roll of a kind of impact printer according to claim 1, is characterized in that: described back shaft is circular shaft and is welded in support two ends along its length.
3. the plane marking roll of a kind of impact printer according to any one of claim 1 ~ 2, is characterized in that: the thickness of the median surface of described flexible glue layer is below 2.0mm.
4. the plane marking roll of a kind of impact printer according to claim 3, is characterized in that: described special-shaped installed surface is a D shape face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463964.0A CN102991146B (en) | 2012-11-16 | 2012-11-16 | A kind of plane marking roll of impact printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463964.0A CN102991146B (en) | 2012-11-16 | 2012-11-16 | A kind of plane marking roll of impact printer |
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| Publication Number | Publication Date |
|---|---|
| CN102991146A CN102991146A (en) | 2013-03-27 |
| CN102991146B true CN102991146B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210463964.0A Active CN102991146B (en) | 2012-11-16 | 2012-11-16 | A kind of plane marking roll of impact printer |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107685547A (en) * | 2017-09-14 | 2018-02-13 | 航天信息股份有限公司 | A kind of printing roll structure of intelligent card printer |
| CN109318607A (en) * | 2018-11-14 | 2019-02-12 | 安徽宁国天嘉橡塑制品有限公司 | A kind of plane marking roll |
| CN109367258A (en) * | 2018-11-14 | 2019-02-22 | 安徽宁国天嘉橡塑制品有限公司 | A kind of novel planar marking roll |
| CN112297658B (en) * | 2020-11-17 | 2022-09-20 | 珠海市阿斯特科技有限公司 | Printing roller structure of stylus printer |
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| CN201446778U (en) * | 2009-06-05 | 2010-05-05 | 广东江裕中鼎橡胶制品有限公司 | Envelope printing roller |
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| CN2259224Y (en) * | 1996-03-27 | 1997-08-13 | 孙洪 | Damping noise-reducing combined roller |
| JP2001293917A (en) * | 2000-04-17 | 2001-10-23 | Nidec Copal Corp | Recorder using line thermal head |
| US20030038990A1 (en) * | 2001-08-24 | 2003-02-27 | Scitex Vision Ltd | Convex printing table |
| CN202267825U (en) * | 2011-10-26 | 2012-06-06 | 珠海天威飞马打印耗材有限公司 | Developing roller |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102361Y (en) * | 2007-09-30 | 2008-08-20 | 厦门精芯科技有限公司 | Improved structure for printer core rubber roll |
| CN201240117Y (en) * | 2008-07-21 | 2009-05-20 | 湖北中烟工业有限责任公司 | Smoking paper print glue roller and print glue roller support |
| CN201446777U (en) * | 2009-06-02 | 2010-05-05 | 广东江裕中鼎橡胶制品有限公司 | Note printer rubber roll |
| CN201446778U (en) * | 2009-06-05 | 2010-05-05 | 广东江裕中鼎橡胶制品有限公司 | Envelope printing roller |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102991146A (en) | 2013-03-27 |
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