CN103753973B - Determined distance adjustment device of printing head - Google Patents
Determined distance adjustment device of printing head Download PDFInfo
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- CN103753973B CN103753973B CN201410050043.0A CN201410050043A CN103753973B CN 103753973 B CN103753973 B CN 103753973B CN 201410050043 A CN201410050043 A CN 201410050043A CN 103753973 B CN103753973 B CN 103753973B
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- printhead
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Abstract
The invention provides a determined distance adjustment device of a printing head. The device comprises a base and a measurement assembly arranged on the base. The device is characterized in that a moving assembly supporting the printing head is arranged on the base and comprises a sliding seat and a supporting column, the supporting column is fixed to one end of the sliding seat and is provided with a vertical fixing hole, a pressing plate and a first hooking plate are arranged at the bottom of the sliding seat, the first hooking plate is connected with one end of the spring, and the other end of the spring is connected with a second hooking plate fixed to the base. The determined distance adjustment device can conveniently, quickly, reliably and precisely adjust distances between a determined distance idle wheel, a printing head needle feeding face and an idle wheel stopping piece on the printing head to set values according to data displayed on the measurement assembly, accurate distance determining of the printing head is achieved, printing quality can be guaranteed after the printing head is assembled into a printing machine, and the service life of the printing head and the service life of a colored tape are prolonged effectively. The determined distance adjustment device is an ideal printing head determined distance adjustment, checking and verifying device.
Description
Technical field
The present invention relates to a kind of adjustment frock of needle type print head, belong to printer technology field.
Background technology
Existing impact printer printhead used, its print needle maximum go out needle gage from shorter, by ensureing clearly can to print content in flying print process, printhead must be gone out distance controlling between dial and print media within the specific limits, usually requiring that error is no more than positive and negative 0.15mm.If apart from bigger than normal, during printing, print needle goes out pin completely and is also difficult to contact with print media, causes printing unsuccessfully; If apart from less than normal, print needle narrowing after still with colour band close together, when there is warpage or be uneven in print media, in the process that print media moves forward and backward or printhead moves horizontally, salient position and colour band produce and rub, cause surface of print media to occur stain, affect print quality, also can shorten the service life of printhead and colour band simultaneously because of wearing and tearing.Prior art carries out spacing by means of only coordinating of adjustment spacing roller and roller catch, because each part exists mismachining tolerance, distance controlling must be accurate to positive and negative 0.15mm, so, during each assembling printing head assembly, clearance gauge or special gauge block all will be repeatedly adopted to come comparison, adjustment spacing roller to assigned position, not only complex operation, waste time and energy, and accuracy is difficult to ensure, even exceedes tolerance band.Therefore, be necessary to be improved prior art.
Summary of the invention
For stablizing, accurately, fast adjusting printhead spacing, ensure print quality, avoid human factor to cause the problem of printhead and colour band shortening in service life, the invention provides a kind of printhead spacing adjusting device.
The present invention is completed by following technical proposal: a kind of printhead spacing adjusting device, comprise base, be located at the measurement components on base, it is characterized in that base is provided with the moving assembly of printhead support, with made by moving assembly by the printhead that supports and measurement components matched, thus whether put in place by the spacing of measurement components reflection printhead, and then the spacing of printhead is adjusted.
Described moving assembly comprises slide, be fixed on the pillar which is provided with vertical fixing hole of slide one end, hook plate through the chute on base with pressing plate and first bottom slide to be connected, first hooks plate is connected with spring one end, the spring other end be fixed on second on base and hook plate and be connected, so that printhead is placed on the pillar of slide one end, and fixing printing head in the vertical fixing hole on pillar is inserted by bolt, thus under the action of the spring by first, second hooks plate makes printhead with slide along the chute catatrepsis on base, make printhead with slide oppositely movement by the rotation of eccentric shaft again.
The described slide other end is provided with eccentric shaft, and this eccentric shaft lower end is connected with spacer through through hole corresponding on slide and base, and by split washer fixed eccentric shaft, slide on base.
Described second hooks plate is bolted on base.
Described pressing plate and first hooks plate and is bolted on slide.
Described measurement components comprises lever indicator, the survey mass matched with lever indicator, and lever indicator and survey mass are installed on the support that is connected with base.
Described stent outer plate upper end is provided with fixing hole, inner side column is provided with longitudinal slot, pin is provided with in longitudinal slot, column upper end is provided with the horizontal through hole be communicated with longitudinal slot, so that by the screw truck dead lever dial gauge in the fixing hole of outer panel upper end and fixing hole, then by the horizontal through hole fixation measuring block of column upper end.
Described survey mass is provided with vertical groove, this survey mass extends to both sides through the horizontal through hole of column upper end inside support, wherein one end and printhead connect, the contact of the other end and lever indicator connects, vertical groove is placed on the pin in column longitudinal slot, and return spring is set between pin and vertical groove, so that after printhead moves to touch with survey mass with slide, promotion survey mass moves to and contacts with the contact of lever indicator, whether correctly the distance value of printhead can be read by the pointer of lever indicator, as incorrect, adjust printhead, until its distance value is correct, afterwards under return spring effect, make three pieces of survey mass returns, prepare against DATA REASONING next time, display, ensure measurement accuracy.
Described lever indicator is set to three, horizontal alignment is fixed on stent outer plate upper end, survey mass correspondence is set to three pieces, point upper, middle and lower are longitudinally arranged in the horizontal through hole of column upper end inside support, and one end of three pieces of survey mass respectively with the spacing roller of printhead, printhead goes out dial and roller catch is matched, the other end is matched with the contact of three lever indicators respectively, to obtain spacing roller respectively, printhead goes out dial and roller catch is mutual three distance values.
Inside described support, column is provided with fixing card, these fixing card two ends are respectively equipped with the brace it being with fixing hole, direction recess is established in brace and upper end, middle part establishes the connecting plate of fixing hole to be connected, and by the screw fixed link plate in fixing hole on brace, with by the direction recess of connecting plate upper end, accurately, the screw of Quick fastening printhead side, the adjustment of printhead spacing is completed.
The present invention compared with prior art has following advantages and effect: adopt such scheme, can according to the data of lever indicator display, convenient, fast, reliably, accurately adjust spacing roller on printhead, printhead goes out dial and roller catch is mutual distance is to setting value, ensure that printhead spacing is accurate, so that after loading printer, can print quality be ensured, effectively improve the service life of printhead and colour band simultaneously.Be desirable printhead spacing adjustment, correction, verifying attachment in fact.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the profilograph of Fig. 1;
Fig. 3 is the rearview of Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Printhead spacing adjusting device provided by the invention, comprise base 1, be located at the measurement components on base 1, base 1 is provided with the moving assembly of printhead support 13, described moving assembly comprises slide 17, be fixed on the pillar 20 which is provided with vertical fixing hole of slide 17 left end, slide 17 right-hand member is provided with eccentric shaft 14, this eccentric shaft 14 lower end is connected with spacer 16 through through hole corresponding on slide 17 and base 1, and by split washer 15 fixed eccentric shaft 14, slide 17 is on base 1, hook plate 18 through the chute 28 on base 1 with the pressing plate 19 base 1 is positioned at outside chute 28 and first bottom slide 17 to be connected, first hooks plate 18 is connected with spring 23 right-hand member, spring 23 left end be fixed on second on base 1 and hook plate 24 and be connected, so that printhead 13 is placed on the pillar 20 of slide 17 left end, and fixing printing head 13 in the vertical fixing hole on pillar 20 is inserted by bolt, thus by first under spring 23 acts on, second hooks plate 18, 24 make printhead 13 be moved to the left along base 1 chute 28 with slide 17, rotation afterwards by eccentric shaft 14 makes printhead 13 move right along base 1 chute 28 with slide 17, described second hooks plate 24 is bolted on base 1, described pressing plate 19 and the first hook plate 18 are bolted on bottom slide 17, described measurement components comprises lever indicator 4, the survey mass 9 matched with lever indicator 4, and lever indicator 4 and survey mass 9 are installed on the support 2 that is connected with base 1, outer panel 3 upper end of this support 2 is provided with fixing hole, inner side column 8 is provided with longitudinal slot, pin 6 is provided with in longitudinal slot, column 8 upper end, inner side is provided with the horizontal through hole be communicated with longitudinal slot, so that by the screw truck dead lever dial gauge 4 in the fixing hole of outer panel upper end and fixing hole, then by the horizontal through hole fixation measuring block 9 of inner side column 8 upper end, described survey mass 9 is provided with vertical groove, this survey mass 9 extends to both sides through the horizontal through hole of column 8 upper end inside support 2, wherein right-hand member and printhead 13 connect, the contact 5 of left end and lever indicator 4 connects, vertical groove is placed on the pin 6 in column 8 longitudinal slot of inner side, and return spring 7 is set between pin 6 and vertical groove, so that after printhead 13 is moved to the left touches with survey mass 9 with slide 17, promotion survey mass 9 moves to and contacts with the contact 5 of lever indicator 4, whether correctly the distance value of printhead 13 can be read by the pointer of lever indicator 4, then printhead 13 is adjusted as incorrect, until its distance value is correct, after printhead 13 being moved right by the rotation of eccentric shaft 14 with slide 17 afterwards, survey mass 9 is under return spring 7 acts on, the return and departing from of moving right connects with the contact 5 of lever indicator 4, prepare against DATA REASONING next time, display, ensure measurement accuracy, described lever indicator 4 is set to three, horizontal alignment is fixed on support 2 outer panel 3 upper end, survey mass 9 correspondence is set to three pieces, point upper, middle and lower are longitudinally arranged in the horizontal through hole of column 8 upper end inside support 2, and the right-hand member of three pieces of survey mass 9 respectively with the spacing roller 10 of printhead 13, printhead goes out dial 11 and roller catch 12 is matched, and left end is matched with the contact 5 of three lever indicators 4 respectively, to obtain spacing roller 10 respectively, printhead goes out dial 11 and mutual three distance values of roller catch 12, as shown in Figure 1, Figure 2.
Inside described support 2, column 8 is provided with fixing card 25, these fixing card 25 two ends are respectively equipped with the brace 22 it being with fixing hole, direction recess 27 is established in brace 22 and upper end, middle part establishes the connecting plate 26 of fixing hole to be connected, and by the screw fixed link plate 26 in fixing hole on brace 25, as Fig. 3, with the direction recess 27 by connecting plate 26 upper end, accurately, the screw of Quick fastening printhead 13 side, complete the adjustment of printhead 13 spacing.
Adjustment process is: be first assembled on printhead 13 by spacing roller 10 and roller catch 12 screw, but screw is not exclusively tightened, play certain precompressed effect, to carry out position adjustment by applying a little external force, after printhead 13 parts have been pre-installed, printhead 13 is positioned on pillar 20, and by screw fixing printing head 13 on pillar 20, then under spring 23 acts on, pass through first, second hooks plate 18, 24 make printhead 13 be moved to the left with slide 17 touch along the chute 28 on base 1 with survey mass 9 after, promotion survey mass 9 is moved to the left and contacts with the contact 5 of lever indicator 4, whether correctly the distance value of printhead 13 can be read by the pointer of lever indicator 4, then printhead 13 is adjusted as incorrect, until spacing roller 10, printhead goes out dial 11 and mutual three distance values of roller catch 12 are correct, by the rotation of eccentric shaft 14, printhead 13 is moved right along the chute 28 on base 1 with slide 17 afterwards, survey mass 9 is under return spring 7 acts on simultaneously, the return and departing from of moving right connects with the contact 5 of lever indicator 4, prepare against DATA REASONING next time, display, ensure measurement accuracy.
Claims (8)
1. a printhead spacing adjusting device, comprise base, be located at the measurement components on base, it is characterized in that base is provided with the moving assembly of printhead support, described moving assembly comprises slide, be fixed on the pillar which is provided with vertical fixing hole of slide one end, hook plate through the chute on base with pressing plate and first bottom slide to be connected, first hooks plate is connected with spring one end, the spring other end be fixed on second on base and hook plate and be connected, by drive moving assembly make by the printhead that supports and measurement components matched, thus whether put in place by the spacing of measurement components reflection printhead, and then the spacing of printhead is adjusted.
2. printhead spacing adjusting device according to claim 1, is characterized in that the slide other end is provided with eccentric shaft, and this eccentric shaft lower end is connected with spacer through through hole corresponding on slide and base, and is fixed by split washer.
3. printhead spacing adjusting device according to claim 1, is characterized in that described second hook plate is bolted on base; Described pressing plate and first hooks plate and is bolted on slide.
4. printhead spacing adjusting device according to claim 1, is characterized in that described measurement components comprises lever indicator, the survey mass matched with lever indicator, and lever indicator and survey mass are installed on the support that is connected with base.
5. printhead spacing adjusting device according to claim 4, it is characterized in that described stent outer plate upper end is provided with fixing hole, inner side column is provided with longitudinal slot, is provided with pin in longitudinal slot, and column upper end is provided with the horizontal through hole be communicated with longitudinal slot.
6. printhead spacing adjusting device according to claim 4, it is characterized in that described survey mass is provided with vertical groove, this survey mass extends to both sides through the horizontal through hole of column upper end inside support, wherein one end and printhead connect, the contact of the other end and lever indicator connects, vertical groove is placed on the pin in column longitudinal slot, and arranges return spring between pin and vertical groove.
7. printhead spacing adjusting device according to claim 4, it is characterized in that described lever indicator is set to three, horizontal alignment is fixed on stent outer plate upper end, survey mass correspondence is set to three pieces, point upper, middle and lower are longitudinally arranged in the horizontal through hole of column upper end inside support, and one end of three pieces of survey mass respectively with the spacing roller of printhead, printhead goes out dial and roller catch is matched, the other end is matched with the contact of three lever indicators respectively.
8. printhead spacing adjusting device according to claim 4, it is characterized in that inside described support, column is provided with fixing card, these fixing card two ends are respectively equipped with the brace it being with fixing hole, direction recess is established in brace and upper end, middle part establishes the connecting plate of fixing hole to be connected, and by the screw fixed link plate in fixing hole on brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050043.0A CN103753973B (en) | 2014-02-13 | 2014-02-13 | Determined distance adjustment device of printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410050043.0A CN103753973B (en) | 2014-02-13 | 2014-02-13 | Determined distance adjustment device of printing head |
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| Publication Number | Publication Date |
|---|---|
| CN103753973A CN103753973A (en) | 2014-04-30 |
| CN103753973B true CN103753973B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410050043.0A Active CN103753973B (en) | 2014-02-13 | 2014-02-13 | Determined distance adjustment device of printing head |
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| CN (1) | CN103753973B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106737320B (en) * | 2016-12-27 | 2019-01-15 | 苏州虹贯精益智能科技有限公司 | Printer gratings strips spring leaf assembly fixture |
| CN107042708B (en) * | 2017-06-01 | 2018-08-17 | 福建实达电脑设备有限公司 | A kind of needle type print head microspur adjusting apparatus and method |
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| DE3641044C1 (en) * | 1986-12-01 | 1988-05-11 | Nixdorf Computer Ag | Device for holding a matrix print head |
| JP2880627B2 (en) * | 1993-06-25 | 1999-04-12 | 東芝テック株式会社 | Print gap adjustment device |
| US5570959A (en) * | 1994-10-28 | 1996-11-05 | Fujitsu Limited | Method and system for printing gap adjustment |
| JP3655345B2 (en) * | 1995-04-12 | 2005-06-02 | シチズン時計株式会社 | Gap adjustment device for impact dot printer |
| KR200153526Y1 (en) * | 1996-12-04 | 1999-08-02 | 윤종용 | Head gap controller following paper thickness for ink jet printer |
| JP3488366B2 (en) * | 1997-07-18 | 2004-01-19 | スター精密株式会社 | Printer |
| JPH1177985A (en) * | 1997-09-05 | 1999-03-23 | Canon Inc | Image recording device |
| JP4008387B2 (en) * | 2002-08-02 | 2007-11-14 | セイコーエプソン株式会社 | Droplet ejection device, electro-optical device manufacturing method, electro-optical device, and electronic apparatus |
| KR100492118B1 (en) * | 2003-01-21 | 2005-06-01 | 삼성전자주식회사 | Adjusting apparatus for a head gap in an inkjet printer and adjusting method for the same |
| JP2007237705A (en) * | 2006-03-13 | 2007-09-20 | Seiko Epson Corp | Measuring method, adjusting method and measuring device |
| CN201140577Y (en) * | 2008-01-14 | 2008-10-29 | 厦门顶尖电子有限公司 | Fine tuning mechanism for vehicle-unit gap of printer |
| CN100558558C (en) * | 2008-08-19 | 2009-11-11 | 新会江裕信息产业有限公司 | A kind of automatic checking and regulating device at printing interval of printer |
| CN101342826B (en) * | 2008-08-28 | 2010-08-18 | 旭丽电子(广州)有限公司 | Printing head gap adjustment structure |
| CN201353907Y (en) * | 2009-02-19 | 2009-12-02 | 福建实达电脑设备有限公司 | Printer capable of adapting to medium thickness |
| CN101830117A (en) * | 2009-03-13 | 2010-09-15 | 李解平 | Equipment for determining position of printing head according to thickness of print record carrier |
| CN203727008U (en) * | 2014-02-13 | 2014-07-23 | 云南南天电子信息产业股份有限公司 | Printing head distance adjustment device |
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2014
- 2014-02-13 CN CN201410050043.0A patent/CN103753973B/en active Active
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