CN203727008U - Printing head distance adjustment device - Google Patents
Printing head distance adjustment device Download PDFInfo
- Publication number
- CN203727008U CN203727008U CN201420064552.4U CN201420064552U CN203727008U CN 203727008 U CN203727008 U CN 203727008U CN 201420064552 U CN201420064552 U CN 201420064552U CN 203727008 U CN203727008 U CN 203727008U
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- China
- Prior art keywords
- printhead
- printing head
- base
- slide
- adjusting device
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- 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.)
- Expired - Lifetime
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- 238000005259 measurement Methods 0.000 claims description 26
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a printing head distance adjustment device. The printing head distance adjustment device comprises a foundation, wherein the foundation is provided with a measuring assembly. The printing head distance adjustment device is characterized in that the foundation is provided with a moving assembly for supporting a printing head, the moving assembly comprises a sliding seat and a supporting column which is fixed at one end of the sliding seat and is provided with a vertical fixing hole, a bottom portion of the sliding seat is provided with a pressure board and a first hook board, the first hook board is connected with one end of a spring, and the other end of the spring is connected with a second hook board fixed on the foundation. According to the data displayed by the measuring assembly, distances among a distance roller on the printing head, a printing head needle face and a roller separation blade can be conveniently, rapidly, reliably and accurately adjusted to be setting values, distance accuracy of the printing head is guaranteed, so the printing head is convenient to mount in a printer, printing quality is further guaranteed, and service life of the printing head and a color band is further effectively prolonged. The printing head distance adjustment device is an ideal device for distance adjusting, correction and examination on printing heads.
Description
technical field
The utility model relates to a kind of adjustment frock of needle type print head, belongs to printer technology field.
background technology
Existing impact printer printhead used, its print needle maximum goes out needle gage from shorter, by ensureing can clearly to print content in flying print process, printhead must be gone out to distance control between dial and print media within the specific limits, conventionally require error to be no more than positive and negative 0.15mm.If distance is bigger than normal, when printing, print needle goes out pin completely and is also difficult to contact with print media, causes printing unsuccessfully; If distance is less than normal, after print needle narrowing still with colour band close together, when print media occurs warpage or when uneven, in the process that print media moves forward and backward or printhead moves horizontally, salient position and colour band produce friction, cause surface of print media to occur stain, affect print quality, also can shorten because of wearing and tearing the service life of printhead and colour band simultaneously.Prior art only coordinates to carry out spacing by what adjust spacing roller and roller catch, because each part exists mismachining tolerance, distance is controlled must be accurate to positive and negative 0.15mm, so,, while assembling printing head assembly, all to repeatedly adopt clearance gauge or special gauge block to compare, adjust spacing roller to assigned position at every turn, not only complex operation, waste time and energy, and accuracy be difficult to ensure, even exceed tolerance band.Therefore, be necessary prior art to be improved.
summary of the invention
For stablizing, accurately, fast adjust printhead spacing, ensure print quality, avoid human factor to cause the problem of printhead and colour band shortening in service life, the utility model provides a kind of printhead spacing adjusting device.
The utility model completes by following technical proposal: a kind of printhead spacing adjusting device, comprise base, be located at the measurement assembly on base, it is characterized in that base is provided with the moving assembly of printhead support, to make supported printhead matched with measurement assembly by moving assembly, thereby whether put in place by the spacing of measuring assembly 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, slide bottom is connected with pressing plate and the first hook plate through the chute on base, the first hook plate is connected with spring one end, the spring other end is connected with the second hook plate being fixed on base, so that printhead is placed on the pillar of slide one end, and insert fixing printing head in the vertical fixing hole on pillar by bolt, thereby pass through first under spring action, the second hook plate make printhead with slide along the chute catatrepsis on base, by the rotation of eccentric shaft, printhead is oppositely moved with slide 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 passes through split washer fixed eccentric shaft, slide on base.
Described the second hook plate is bolted on base.
Described pressing plate and the first hook plate are bolted on slide.
Described measurement assembly comprises lever indicator, the measurement piece matched with lever indicator, and lever indicator and measure piece be installed on the support being connected with base.
Described support outer panel upper end is provided with fixing hole, inner side column is provided with longitudinal slotted eye, longitudinally in slotted eye, be provided with pin, column upper end is provided with the horizontal through hole being communicated with longitudinal slotted eye, so that by the screw truck dead lever dial gauge in fixing hole and the fixing hole of outer panel upper end, then by the horizontal through hole fixation measuring piece of column upper end.
Described measurement piece is provided with vertical groove, this measurement piece 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, vertically groove is placed on the pin in the longitudinal slotted eye of column, and between pin and vertical groove, return spring is set, so that printhead moves to and measures after piece touching with slide, promotion measurement piece moves to the contact of lever indicator and contacts, whether correctly can read the distance value of printhead by the pointer of lever indicator, adjust printhead as incorrect, until its distance value is correct, afterwards under return spring effect, make three to measure piece return, prepare against DATA REASONING next time, show, ensure measurement accuracy.
Described lever indicator is made as three, level is fixed on support outer panel upper end side by side, measure piece correspondence and be made as three, point upper, middle and lower are longitudinally arranged in the horizontal through hole of column upper end inside support, and one end of three measurement pieces goes out dial with spacing roller, the printhead of printhead respectively and roller catch is matched, the other end is matched with the contact of three lever indicators respectively, obtaining respectively spacing roller, printhead goes out dial and three mutual distance values of roller catch.
Inside described support, column is provided with fixed card, these fixed card two ends are respectively equipped with the brace with fixing hole on it, direction recess is established in brace and upper end, the connecting plate that fixing hole is established at middle part is 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, complete the adjustment of printhead spacing.
The utility model compared with prior art has following advantages and effect: adopt such scheme, the data that can show according to lever indicator, spacing roller, printhead convenient, fast, that reliably, accurately adjust on printhead go out dial and the mutual extremely setting value of distance of roller catch, ensure that printhead spacing is accurate, to pack into after printer, can ensure print quality, effectively improve the service life of printhead and colour band simultaneously.Real is the desirable adjustment of printhead spacing, correction, verifying attachment.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
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 utility model is described further.
The printhead spacing adjusting device that the utility model provides, comprises base 1, is located at the measurement assembly on base 1, and base 1 is provided with the moving assembly of printhead support 13, described moving assembly comprises slide 17, be fixed on the pillar which is provided with vertical fixing hole 20 of slide 17 left ends, slide 17 right-hand members are provided with eccentric shaft 14, these eccentric shaft 14 lower ends are 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, slide 17 bottoms are connected with the pressing plate 19 and the first hook plate 18 that are positioned on base 1 outside chute 28 through the chute 28 on base 1, the first hook plate 18 is connected with spring 23 right-hand members, spring 23 left ends are connected with the second hook plate 24 being fixed on base 1, so that printhead 13 is placed on the pillar 20 of slide 17 left ends, and insert fixing printing head 13 in the vertical fixing hole on pillar 20 by bolt, thereby pass through first under spring 23 effects, the second hook plate 18, 24 make printhead 13 be moved to the left along base 1 chute 28 with slide 17, can printhead 13 be moved right along base 1 chute 28 with slide 17 by the rotation of eccentric shaft 14 afterwards, described the second hook plate 24 is bolted on base 1, described pressing plate 19 and the first hook plate 18 are bolted on slide 17 bottoms, described measurement assembly comprises lever indicator 4, the measurement piece 9 matched with lever indicator 4, and lever indicator 4 and measurement piece 9 are installed on the support 2 being connected with base 1, outer panel 3 upper ends of this support 2 are provided with fixing hole, inner side column 8 is provided with longitudinal slotted eye, longitudinally in slotted eye, be provided with pin 6, column 8 upper ends, inner side are provided with the horizontal through hole being communicated with longitudinal slotted eye, so that by the screw truck dead lever dial gauge 4 in fixing hole and the fixing hole of outer panel upper end, then by the horizontal through hole fixation measuring piece 9 of inner side column 8 upper ends, described measurement piece 9 is provided with vertical groove, this measurement piece 9 extends to both sides through the horizontal through hole of support 2 inner side column 8 upper ends, wherein right-hand member and printhead 13 connect, the contact 5 of left end and lever indicator 4 connects, vertically groove is placed on the pin 6 in the longitudinal slotted eye of inner side column 8, and between pin 6 and vertical groove, return spring 7 is set, so that printhead 13 is moved to the left and measures after piece 9 touchings with slide 17, promotion measurement piece 9 moves to the contact 5 of lever indicator 4 and contacts, whether correctly can read the distance value of printhead 13 by the pointer of lever indicator 4, adjust printhead 13 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, measure piece 9 under return spring 7 effects, move right return and depart from and connect with the contact 5 of lever indicator 4, prepare against DATA REASONING next time, show, ensure measurement accuracy, described lever indicator 4 is made as three, level is fixed on support 2 outer panel 3 upper ends side by side, measure piece 9 correspondences and be made as three, point upper, middle and lower are longitudinally arranged in the horizontal through hole of support 2 inner side column 8 upper ends, and the right-hand member of three measurement pieces 9 goes out dial 11 with spacing roller 10, the printhead of printhead 13 respectively and roller catch 12 is matched, and left end is matched with the contact 5 of three lever indicators 4 respectively, obtaining respectively spacing roller 10, printhead goes out dial 11 and three mutual distance values of roller catch 12, as shown in Figure 1, Figure 2.
Described support 2 inner side columns 8 are provided with fixed card 25, these fixed card 25 two ends are respectively equipped with the brace 22 with fixing hole on it, brace 22 is established direction recess 27 with upper end, the connecting plate 26 that fixing hole is established at middle part is connected, and by the screw fixed link plate 26 in fixing hole on brace 25, as Fig. 3, with by the direction recess 27 of connecting plate 26 upper ends, accurately, the screw of Quick fastening printhead 13 sides, complete printhead 13 spacing adjustment.
Adjustment process is: first spacing roller 10 and roller catch 12 use screws are assembled on printhead 13, but screw is not exclusively tightened, play certain precompressed effect, to can 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 pass through screw fixing printing head 13 on pillar 20, under spring 23 effects, pass through first, the second hook plate 18, 24 make printhead 13 be moved to the left and measure after piece 9 touchings along the chute 28 on base 1 with slide 17, promotion measurement piece 9 is moved to the left with the contact 5 of lever indicator 4 and contacts, whether correctly can read the distance value of printhead 13 by the pointer of lever indicator 4, adjust printhead 13 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, measure piece 9 under return spring 7 effects simultaneously, move right return and depart from and connect with the contact 5 of lever indicator 4, prepare against DATA REASONING next time, show, ensure measurement accuracy.
Claims (8)
1. a printhead spacing adjusting device, comprise base, be located at the measurement assembly on base, it is characterized in that base is provided with the moving assembly of printhead support, described moving assembly comprises slide, is fixed on the pillar which is provided with vertical fixing hole of slide one end, and slide bottom is connected with pressing plate and the first hook plate through the chute on base, the first hook plate is connected with spring one end, and the spring other end is connected with the second hook plate being fixed on base.
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 fixes by split washer.
3. printhead spacing adjusting device according to claim 1, is characterized in that described the second hook plate is bolted on base; Described pressing plate and the first hook plate are bolted on slide.
4. printhead spacing adjusting device according to claim 1, is characterized in that described measurement assembly comprises lever indicator, the measurement piece matched with lever indicator, and lever indicator and measure piece be installed on the support being connected with base.
5. printhead spacing adjusting device according to claim 4, is characterized in that described support outer panel upper end is provided with fixing hole, and inner side column is provided with longitudinal slotted eye, longitudinally in slotted eye, is provided with pin, and column upper end is provided with the horizontal through hole being communicated with longitudinal slotted eye.
6. printhead spacing adjusting device according to claim 4, it is characterized in that described measurement piece is provided with vertical groove, this measurement piece 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, vertically groove is placed on the pin in the longitudinal slotted eye of column, and between pin and vertical groove, return spring is set.
7. printhead spacing adjusting device according to claim 4, it is characterized in that described lever indicator is made as three, level is fixed on support outer panel upper end side by side, measure piece correspondence and be made as three, point upper, middle and lower are longitudinally arranged in the horizontal through hole of column upper end inside support, and one end of three measurement pieces goes out dial with spacing roller, the printhead of printhead respectively and roller catch is matched, and 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 that column is provided with fixed card, these fixed card two ends are respectively equipped with the brace with fixing hole on it, direction recess is established in brace and upper end, the connecting plate that fixing hole is established at middle part is connected, and by the screw fixed link plate in fixing hole on brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064552.4U CN203727008U (en) | 2014-02-13 | 2014-02-13 | Printing head distance adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064552.4U CN203727008U (en) | 2014-02-13 | 2014-02-13 | Printing head distance adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203727008U true CN203727008U (en) | 2014-07-23 |
Family
ID=51197111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420064552.4U Expired - Lifetime CN203727008U (en) | 2014-02-13 | 2014-02-13 | Printing head distance adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203727008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753973A (en) * | 2014-02-13 | 2014-04-30 | 云南南天电子信息产业股份有限公司 | Determined distance adjustment device of printing head |
| CN107953686A (en) * | 2016-10-14 | 2018-04-24 | 东友科技股份有限公司 | Printhead spacing regulator |
-
2014
- 2014-02-13 CN CN201420064552.4U patent/CN203727008U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753973A (en) * | 2014-02-13 | 2014-04-30 | 云南南天电子信息产业股份有限公司 | Determined distance adjustment device of printing head |
| CN107953686A (en) * | 2016-10-14 | 2018-04-24 | 东友科技股份有限公司 | Printhead spacing regulator |
| CN107953686B (en) * | 2016-10-14 | 2019-07-05 | 东友科技股份有限公司 | Print head spacing regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |