CN103253012A - Gap adjusting device, ink-jet printer and modification method thereo - Google Patents
Gap adjusting device, ink-jet printer and modification method thereo Download PDFInfo
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- CN103253012A CN103253012A CN2013101804301A CN201310180430A CN103253012A CN 103253012 A CN103253012 A CN 103253012A CN 2013101804301 A CN2013101804301 A CN 2013101804301A CN 201310180430 A CN201310180430 A CN 201310180430A CN 103253012 A CN103253012 A CN 103253012A
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- axis hole
- cam
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- gear
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Abstract
The invention provides a gap adjusting device, an ink-jet printer and a modification method of the ink-jet printer. The gap adjusting device comprises a guide rod, a cam and a gear are arranged on the end portions of the guide rod, a first shaft hole is formed in the middle portion of the cam, the end portion of the guide rod penetrates through the first shaft hole, the gear is arranged outside the cam, a second shaft hole is formed in the middle portion of the gear, and the end portion of the guide rod penetrates through the second shaft hole. The maximum distance between the outer edge of the cam and the center of the first shaft hole is larger than the radius of the root circle of the gear. The ink-jet printer is provided with the gap adjusting device. According to the modification method of the ink-jet printer, the cam is replaced to be arranged in the ink-jet printer. Adjusting of an imaging gap is achieved, an adjustable range is enlarged, and imaging can be smoothly carried out on flexible recording media and rigid recording media large in thickness.
Description
Technical field
The present invention relates to print imaging field, relate in particular to the ink outlet port of ink-jet printer and the adjusting device in the gap between the recording medium, and the ink-jet printer of this slack adjuster and the method for modifying of this ink-jet printer are installed.
Background technology
Printer is as common office equipment, for modern office provides great convenience.Existing printer mainly contains ink-jet printer, and ink-jet printer uses the print cartridge that accommodates ink to be installed on the word car and forms literal or the pattern that needs printing to recording mediums such as paper.
With reference to Fig. 1, existing a kind of ink-jet printer 1 has housing 11, with reference to Fig. 3, Fig. 3 is the exploded view of the ink-jet printer behind the dismounting housing 11, body frame 31 and paper feed frame 32 are installed in shell 11, paper feed frame 32 comprises a paper feed axle 321, and multi-disc paper feed rotating shaft sheet 322 is installed on the paper feed axle 321.
The two side of body frame 31 is respectively equipped with a guide hole 311, and two guide holes 311 are passed at the two ends of guide rod 312 respectively, and the two ends of guide rod 312 can move in 311 restricted portions of guide hole, is limited by the shape of guide hole 311 because falling the movement locus of bar 312.
At guide rod 312 word car 313 is installed, print cartridge 314 is installed on the word car 313, word car 313 can be along guide rod 312 back and forth movements.Be separately installed with cam 41 at the two ends of guide rod 312, as shown in Figure 4, offer an axis hole 411 at cam 41, axis hole 411 is the through hole of band tangent plane, and an end of guide rod 312 is inserted in the axis hole 411.The cam surface 412 that the outer rim side face of cam 41 constitutes, the shape of cam surface 412 are the non-just round shapes that form centered by the axis of axis hole 411.
Two ends at guide rod 312 also are separately installed with gear 51, and the middle part of gear 51 offers the axis hole 511 identical with axis hole 411 shapes, and guide rod 312 passes axis hole 411 and axis hole 511 successively.When gear 51 receives the external motivating force rotation, gear 51 will drive cams 41 by guide rod 312 and rotate, so cam 41 rotates synchronously with gear 51.
With reference to Fig. 2, Fig. 2 is the gap adjustment schematic diagram, be respectively equipped with a guide hole 311 in the two side of body frame 31, and on the outside of two side, be provided with support portion 315 respectively, guide hole 311 is passed at the two ends of guide rod 312 respectively, guide rod 312 two ends are passed cam 41 and gear 51 successively, and cam 41 and gear 51 all be positioned at the outside of body frame 31 two sides, and cam 41 is positioned at the top of support portion 315 and supports cam 41.
At guide rod 312 word car 313 is installed, accommodate print cartridge 314 on the word car 313, offer ink outlet port 316 in the bottom of word car, platen 317 is arranged below ink outlet port 316, be placed with the paper 2 as recording medium above platen 317, word car 313 utilizes along guide rod 312 back and forth movements by ink outlet port 316 printing character or image on paper 2.Because different recording mediums or paper have different thickness, in order to reach the best quality of prining, so need the distance P G of ink outlet port 316 and paper 2 be regulated, realize by transmitting gear 51 and regulate this distance P G.
With reference to Fig. 5 and Fig. 6, because the cam surface 412 of the periphery of cam 41 is being supported in support portion 315, when gear 51 drives cam 41 rotations, change over the contact point of support portion 315 and cam surface 412 among Fig. 6 to the distance L 2 at axis hole 411 centers of cam 41 by the contact point of support portion among Fig. 5 315 and cam surface 412 to the distance L 1 at axis hole 411 centers of cam 41, because cam surface 412 is different to the distance at axis hole 411 centers, thereby realize guide rod 312 in the movement of above-below direction along guide hole 311, realized then being installed in ink outlet port 316 on the guide rod 312 and the adjusting of the distance P G between the paper 2.
Yet above-mentioned ink-jet printer all is at the recording medium of flexibility such as paper, when needs are printed the recording medium of rigidity, because the thickness of the recording medium of rigidity is bigger, caused ink outlet port 316 and the recording medium of rigidity can't adjust to best imaging gap PG, have a strong impact on the quality of prining, because the thickness of the recording medium of rigidity is bigger, can't enter into paper pressing shaft 317 by paper feed rotating shaft sheet 322 simultaneously, thereby can't be embodied as picture, the user is caused great inconvenience.
Summary of the invention
First purpose of the present invention provides a kind of lash adjusting device that can adjust gap between ink outlet port and the recording medium.
Second purpose of the present invention provides a kind of ink-jet printer that can adjust the lash adjusting device in gap between ink outlet port and the recording medium that is equipped with.
The 3rd purpose of the present invention provides a kind of at the method for modifying that can adjust the ink-jet printer of the lash adjusting device in gap between ink outlet port and the recording medium is installed.
In order to realize first purpose of the present invention, the invention provides a kind of slack adjuster, it comprises guide rod, in the end of guide rod cam and gear is installed, and the middle part of cam offers first axis hole, first axis hole is passed in the end of guide rod, gear is positioned at the outside of cam, and the middle part of gear is provided with second axis hole, and second axis hole is passed in the end of guide rod, wherein, the ultimate range at cam outer rim and the first axis hole center is greater than the tooth root radius of a circle of gear.
By such scheme as seen, utilize the cam outer rim to arrive the ultimate range at axis hole center greater than gear member tooth root radius of a circle, increased the adjustable range in gap between ink outlet port and the recording medium effectively, make that the bigger rigidity recording medium of thickness can be successfully in its surperficial imaging, by adjusting suitable distance, improve the quality of prining.
Further scheme is, first axis hole docks with second axis hole.
Therefore, insert the axis hole of cam and the axis hole of gear by guide rod, make when cam rotates, utilize its cam surface can adjust this guide rod height, reach the gap of adjusting between ink outlet port and the recording medium, first axis hole docks with second axis hole and makes the slack adjuster structure more compact.
Further scheme is, the shape of first axis hole is identical with the shape of second axis hole.
Therefore the axis hole that shape is identical more is conducive to the simplified design of guide rod, needn't design difform end for different guide holes, saves operation.
In order to realize second purpose of the present invention, the invention provides a kind of ink-jet printer, it comprises housing, body frame is installed in the housing, body frame is respectively equipped with a guide hole in the two side, one guide rod passes two guide holes, the end of this guide rod is equipped with cam and gear, the middle part of cam offers first axis hole, and first axis hole is passed in the end of guide rod, and gear is positioned at the outside of cam, the middle part of gear is provided with second axis hole, second axis hole is passed in the end of guide rod, and wherein, the ultimate range at cam outer rim and the first axis hole center is greater than the tooth root radius of a circle of gear.
By such scheme as seen, utilize the cam outer rim to arrive the ultimate range at axis hole center greater than the Gear Root radius of a circle, increased the adjustable range in gap between ink outlet port and the recording medium effectively, make this ink-jet printer to adjust ink outlet port smoothly and have gap between the rigidity recording medium of big thickness, thereby improve the quality of prining to the rigidity recording medium.
In order to realize the 3rd purpose of the present invention, the invention provides a kind of method of modifying of ink-jet printer, this ink-jet printer comprises housing, body frame and paper feed frame are installed in the housing, body frame is respectively equipped with guide hole in the two side, the paper feed frame is equipped with the paper feed rotating shaft, the paper feed axle is provided with multi-disc paper feed axle sheet, one guide rod passes two guide holes, the end of guide rod is equipped with cam and gear, the middle part of cam offers first axis hole, and first axis hole is passed in the end of guide rod, and gear is positioned at the outside of cam, the middle part of gear is provided with second axis hole, second axis hole is passed in the end of guide rod, wherein, this method of modifying comprise cam part disassembled from guide rod after, new cam is installed to the end of guide rod, new cam middle part offers Triaxial hole, and insert in the Triaxial hole end of guide rod, and new cam part outer rim is to the ultimate range at the Triaxial hole center tooth root radius of a circle greater than gear.
By such scheme as seen, after original cam pulled down, change new cam, utilize new cam outer rim to arrive the ultimate range at axis hole center greater than geared parts tooth root radius of a circle, again paper feed rotating shaft sheet dismounting is existed so that the paper feed rotating shaft can rotate freely, by such method of modifying make this ink-jet printer can adjust ink outlet port smoothly with the rigidity recording medium with thickness greatly between the gap, improve the quality of prining, also have advantages such as recondition expense is low simultaneously.
Description of drawings
Fig. 1 is the structure chart of existing ink-jet printer.
Fig. 2 is existing ink-jet printer imaging gap adjustment schematic diagram.
Fig. 3 is the STRUCTURE DECOMPOSITION figure after existing ink-jet printer is removed shell.
Fig. 4 is the structure chart of existing ink-jet printer cam and gear.
Fig. 5 is existing ink-jet printer cam, geared parts and the support portion structure chart under first state.
Fig. 6 is existing ink-jet printer cam, geared parts and the support portion structure chart under second state.
Fig. 7 is the STRUCTURE DECOMPOSITION figure after ink-jet printer embodiment of the present invention removes shell.
Fig. 8 is the structure chart of slack adjuster embodiment cam of the present invention and gear.
Fig. 9 is ink-jet printer embodiment cam of the present invention, geared parts and the support portion structure chart under first state.
Figure 10 is ink-jet printer embodiment cam of the present invention, geared parts and the support portion structure chart under second state.
The invention will be further described below in conjunction with drawings and Examples.
The specific embodiment
With reference to Fig. 7, Fig. 7 is the STRUCTURE DECOMPOSITION figure after ink-jet printer embodiment of the present invention removes shell.Be provided with body frame 71 and paper feed frame 72 in the inkjet printing engine housing, paper feed frame 72 comprises a paper feed axle 721.
Be respectively equipped with a guide hole 711 in the two side of body frame 71, guide hole 711 is passed at the two ends of guide rod 712 respectively, and guide rod 712 can move in guide hole 711 restricted portions.
At guide rod 712 word car 713 is installed, a plurality of print cartridges 714 are installed on the word car 713, word car 713 can be along guide rod 712 back and forth movements.Be separately installed with a cam 81 at the two ends of guide rod 712, as shown in Figure 8, offer an axis hole 811 at the middle part of cam 81, axis hole 811 is the through hole of band tangent plane, and axis hole 811 is passed in the end of guide rod 712.The cam surface 812 that the outer rim side face of cam 81 constitutes, the shape of cam surface 812 are the non-just round shapes that form centered by the axis of axis hole 811.
Also be separately installed with a gear 91 at the two ends of guide rod 712 and in the outside of cam 81, offered the axis hole 911 identical with axis hole 811 shapes at the middle part of gear 91, the two ends of guide rod 712 are passed behind the guide hole 711 respectively successively by passing axis hole 811 and axis hole 911, and last formative gear 91, cam 81 and guide rod 712 rotate at same axis.From Figure 10 as seen, cam surface 812 is to the ultimate range L4 at axis hole 811 centers of cam 81 radius R greater than gear 91 root circles.
When gear 91 receives the external motivating force rotation, gear 91 will drive cams 81 by guide rod 712 and together rotate, so cam 81 rotates synchronously with gear 91.
With reference to Fig. 7, Fig. 9 and Figure 10, owing on the body frame two side of ink-jet printer, support portion 715 is installed also, support portion 715 contacts and supports cam 81 with cam surface 812, when receiving, gear 91 drives cam 81 rotations when external motivating force rotates, change over the contact point of support portion shown in Figure 10 715 and cam surface 812 to the distance L 4 at axis hole 811 centers of cam 81 by the contact point of support portion shown in Figure 9 715 and cam surface 812 to the distance L 3 at axis hole 411 centers of cam 41, and cam surface 812 arrives the ultimate range L4 at axis hole 811 centers greater than the radius R of gear 91 root circles.
In addition, existing ink-jet printer 1 can also be repacked into the ink-jet printer of the embodiment of the invention, method of modifying is as follows:
After at first the housing 11 of ink-jet printer 1 being disassembled, printer part is partly disassembled the back classification to be put well with anti-lost, afterwards paper feed frame 32 is separated with body frame 31, paper feed rotating shaft sheet 322 with paper feed frame 32 enterprising reels 321 disassembles again, in order to there is the bigger rigidity recording medium of thickness can pass through paper feed axle 321 smoothly through out-of-date, can not cause owing to paper feed rotating shaft sheet 322 blocks the imaging failure that the rigidity recording medium causes.
Subsequently the gear 51 that is positioned at the two side outside on the body frame 31 is disassembled with cam 41, afterwards cam 81 is overlapped the two ends of top guide bar 312 respectively, and then with the two ends of gear 51 cover top guide bars 312 and be positioned at the outside of cam 81.
After the part that ink-jet printer is pulled down connected again at last, the housing 11 and being fixed of closing just can be finished repacking according to above-mentioned method of modifying.
By such scheme as seen, by rotating cam 81, make the cam surface 812 of cam 81 change to the distance at axis hole 811 centers, and cam surface 812 arrives the ultimate range L4 at axis hole 811 centers greater than the radius R of gear 91 root circles, thereby realize imaging adjustable gaps and adjustable expanded range, then the no matter flexible recording medium bigger rigidity recording medium imaging smoothly that still is thickness.
It is emphasized that at last; except above-described embodiment; imaging device also can be arranged on print cartridge the word car position in addition in the ink-jet printer; utilize black liquid supply pipe to supply with this printer of ink outlet port the black liquid of this print cartridge; the shape of cam surface can arrange different shapes as required simultaneously; and the cam 81 of shape as shown in Figure 8 not necessarily, above-mentioned these are all in protection scope of the present invention.
Claims (10)
1. slack adjuster comprises
Guide rod, the end of described guide rod is equipped with cam and gear, the middle part of described cam offers first axis hole, described first axis hole is passed in the end of described guide rod, described gear is positioned at the outside of described cam, the middle part of described gear is provided with second axis hole, and described second axis hole is passed in the end of described guide rod;
It is characterized in that:
The ultimate range at described cam outer rim and the described first axis hole center is greater than the tooth root radius of a circle of described gear.
2. slack adjuster according to claim 1 is characterized in that:
Described first axis hole docks with described second axis hole.
3. slack adjuster according to claim 2 is characterized in that:
The shape of described first axis hole is identical with the shape of described second axis hole.
4. ink-jet printer comprises
Housing, in the described housing body frame is housed, described body frame is respectively equipped with a guide hole in the two side, one guide rod passes two described guide holes, and the end of described guide rod is equipped with cam and gear, and the middle part of described cam offers first axis hole, described first axis hole is passed in the end of described guide rod, described gear is positioned at the outside of described cam, and the middle part of described gear is provided with second axis hole, and described second axis hole is passed in the end of described guide rod;
It is characterized in that:
The ultimate range at described cam outer rim and the described first axis hole center is greater than the tooth root radius of a circle of described gear.
5. imaging device according to claim 4 is characterized in that:
Described first axis hole docks with described second axis hole.
6. slack adjuster according to claim 5 is characterized in that:
The shape of described first axis hole is identical with the shape of described second axis hole.
7. the method for modifying of ink-jet printer, described ink-jet printer comprises
Housing is equipped with body frame and paper feed frame in the described housing, described body frame is respectively equipped with guide hole in the two side, and described paper feed frame is equipped with the paper feed rotating shaft, and described paper feed axle is provided with multi-disc paper feed axle sheet;
One guide rod passes two described guide holes, the end of described guide rod is equipped with cam and gear, the middle part of described cam offers first axis hole, described first axis hole is passed in the end of described guide rod, described gear is positioned at the outside of described cam, the middle part of described gear is provided with second axis hole, and described second axis hole is passed in the end of described guide rod;
It is characterized in that: this method of modifying comprises
After described cam part disassembled from described guide rod, new cam is installed to the end of described guide rod, described new cam middle part offers Triaxial hole, insert in the described Triaxial hole end of described guide rod, and described new cam part outer rim arrives the ultimate range at described Triaxial hole center greater than the tooth root radius of a circle of described gear.
8. imaging device according to claim 7 is characterized in that:
After described new cam was installed, the described paper feed rotating shaft sheet that will be positioned at described paper feed frame disassembled.
9. according to claim 7 or 8 described imaging devices, it is characterized in that:
Described Triaxial hole docks with described second axis hole.
10. imaging device according to claim 9 is characterized in that:
The shape of described Triaxial hole is identical with the shape of described second axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101804301A CN103253012A (en) | 2013-05-15 | 2013-05-15 | Gap adjusting device, ink-jet printer and modification method thereo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101804301A CN103253012A (en) | 2013-05-15 | 2013-05-15 | Gap adjusting device, ink-jet printer and modification method thereo |
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| Publication Number | Publication Date |
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| CN103253012A true CN103253012A (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101804301A Pending CN103253012A (en) | 2013-05-15 | 2013-05-15 | Gap adjusting device, ink-jet printer and modification method thereo |
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| CN (1) | CN103253012A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818127A (en) * | 2014-02-19 | 2014-05-28 | 福建实达电脑设备有限公司 | Printing device capable of adapting to super-thick media automatically |
| CN107953686A (en) * | 2016-10-14 | 2018-04-24 | 东友科技股份有限公司 | Print head spacing adjustment device |
| CN119329187A (en) * | 2024-12-23 | 2025-01-21 | 浙江得沃科技有限公司 | Screen washing equipment and method of using the same |
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| CN1472077A (en) * | 2002-07-10 | 2004-02-04 | ������������ʽ���� | Recorder |
| US20040080553A1 (en) * | 2002-10-28 | 2004-04-29 | Samsung Electronics Co., Ltd. | Apparatus and method for adjusting gap of ink-jet print head |
| CN1535840A (en) * | 2003-04-03 | 2004-10-13 | ������������ʽ���� | Stable area detection device and recording device for platen gap |
| CN101318416A (en) * | 2007-06-07 | 2008-12-10 | 精工爱普生株式会社 | Gap adjusting device and image forming device |
| CN101905574A (en) * | 2009-06-08 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Ink box seat adjusting mechanism |
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2013
- 2013-05-15 CN CN2013101804301A patent/CN103253012A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472077A (en) * | 2002-07-10 | 2004-02-04 | ������������ʽ���� | Recorder |
| US20040080553A1 (en) * | 2002-10-28 | 2004-04-29 | Samsung Electronics Co., Ltd. | Apparatus and method for adjusting gap of ink-jet print head |
| CN1535840A (en) * | 2003-04-03 | 2004-10-13 | ������������ʽ���� | Stable area detection device and recording device for platen gap |
| CN101318416A (en) * | 2007-06-07 | 2008-12-10 | 精工爱普生株式会社 | Gap adjusting device and image forming device |
| CN101905574A (en) * | 2009-06-08 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Ink box seat adjusting mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818127A (en) * | 2014-02-19 | 2014-05-28 | 福建实达电脑设备有限公司 | Printing device capable of adapting to super-thick media automatically |
| CN103818127B (en) * | 2014-02-19 | 2015-11-11 | 福建实达电脑设备有限公司 | A kind of printing equipment of self adaptation super thick medium |
| CN107953686A (en) * | 2016-10-14 | 2018-04-24 | 东友科技股份有限公司 | Print head spacing adjustment device |
| CN107953686B (en) * | 2016-10-14 | 2019-07-05 | 东友科技股份有限公司 | Print head spacing adjustment device |
| CN119329187A (en) * | 2024-12-23 | 2025-01-21 | 浙江得沃科技有限公司 | Screen washing equipment and method of using the same |
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Application publication date: 20130821 |