CN2645906Y - Dredging machine for printing head of large-scale printer - Google Patents
Dredging machine for printing head of large-scale printer Download PDFInfo
- Publication number
- CN2645906Y CN2645906Y CN 200320101474 CN200320101474U CN2645906Y CN 2645906 Y CN2645906 Y CN 2645906Y CN 200320101474 CN200320101474 CN 200320101474 CN 200320101474 U CN200320101474 U CN 200320101474U CN 2645906 Y CN2645906 Y CN 2645906Y
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- China
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- way valve
- valve
- printer
- dredging machine
- printhead
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Abstract
The utility model discloses a dredging machine for printing head of large-scale printer which is designed to solve the problem of the absence of the printing dredging machine of printer. The utility model comprises a pressure supplying structure and a dredging structure connected with the pressure supplying structure, wherein, the pressure supplying structure comprises an air pump, a reducing valve, a two-position four-way valve and two return orifice check valves, the air pump, the reducing valve and the two-position four-way valve are connected in series, the two return orifice check valves are respectively connected with two outlets of the two-position four-way valve, the return orifice check valves output gas through a pipeline, the dredging structure comprises a two-position three-way valve, a reducing valve, an air cylinder, a needle tube, a non return valve, an ink bottle, an ink discharging box and an ink importing head, the air cylinder and the needle tube share one cylinder rod, and the needle of the needle tube is respectively connected with the ink bottle and a dredging head through the two non return valves with opposite limited directions. The utility model is mainly used for the dredging of the printing head and has the advantages of convenient use and good cleaning effect.
Description
Technical field
The utility model relates to a kind of dredging machine that is used for large-scale printer port of printer.
Background technology
Ink-jet printer is an equipment, particularly some large-scale printers relatively commonly used, for example HP5000 etc.The quality of large-scale printing of inkjet printer effect generally depends on printhead, if printhead stops up or goes out Mo Buchang, the printer effect is just poor, at this moment, must change printhead.The printhead of large-scale printer is generally relatively more expensive, and each for general color printer, has 6 printheads up to nearly 1,000 yuan, if it is just more high all to change price.The printhead self structure is more special, and easy-maintaining does not generally all directly more renew.
Summary of the invention
At above-mentioned large-scale printer port of printer easy-maintaining not, the purpose of this utility model provides a kind of easy to use, dredging machine that is used for large-scale printer port of printer that cleaning performance is good.
The purpose of this utility model is achieved in that a kind of dredging machine that is used for large-scale printer port of printer, include a voltage supply structure and at least one group of mediation structure that is connected between this voltage supply structure, described voltage supply structure comprises air pump, pressure-reducing valve, two-position four-way valve and two one-way throttle valves, described air pump, pressure-reducing valve and two-position four-way valve serial connection; Two one-way throttle valves are connected with two delivery outlets of described two-position four-way valve respectively, and described one-way throttle valve is outwards exported gas by pipeline; Described mediation structure comprises two position three-way valve, pressure-reducing valve, cylinder, needle tubing, check valve, China ink bottle, lets out black case and inking head, the shared piston rod of cylinder and needle tubing, the syringe needle of needle tubing is connected with China ink bottle and mediation head respectively by two check valves, and the spacing direction of this two check valve is opposite; With also be connected in parallel to two position three-way valve on the pipeline that the inking head is connected, this two position three-way valve other end is connected with lets out black case; Two chambers of described cylinder are connected to the output channel of two one-way throttle valves, wherein also are connected with two position three-way valve on the pipeline of lower chambers; With also be connected with a gas transmission head on the output channel that upper chamber is connected by two position three-way valve, pressure-reducing valve.
Further, be connected with filter between described air pump and the pressure-reducing valve.
Further, this dredging machine also comprises the rack of putting described voltage supply structure and mediation structure.
Further, be equiped with wheel bottom the described rack.
Further, this dredging machine also comprises the clamp portion of clamping printhead.
Further, described clamp portion includes black groove, black groove lid, back-up block, locating piece, locking member, aeroscopic plate and gripper shoe, and two back-up blocks of clamping printhead are fixed on the gripper shoe, also are provided with the locating piece of being close to back-up block on the described gripper shoe; Described gripper shoe places in the described black groove; Can place aeroscopic plate and gripper shoe on the back-up block to be rotationally connected, be sky in the middle of the described aeroscopic plate, and its medial surface also is provided with the passage that can blow to the printhead that is clamped between back-up block; Described aeroscopic plate and black groove are provided with the locking member that can be mutually locked; Also be provided with air inlet on the described aeroscopic plate, black bottom land also is provided with the ink entrance corresponding with printhead.
Further, described back-up block, locating piece, ink entrance can be provided with many groups as required.
The utility model adopts pneumatic shuttle that printhead is dredged, and utilizes voltage supply structure, cylinder and needle tubing blotting, and with institute's blotting liquid printhead is cleaned.The utility model also at the concrete structure of printhead, has designed clamp portion, with the printhead clamping good after, the ink-feeding hole that the inking head is directly inserted printhead gets final product, and gas pipeline is received clamp portion the corresponding interface just can begin cleaning, and is very convenient and practical.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model;
Fig. 2 is the perspective view of the utility model clamp portion.
The specific embodiment:
The utility model comprises voltage supply structure and at least one group of mediation structure that is connected between this voltage supply structure, as shown in Figure 1, mediation structure of the present utility model is six groups, the voltage supply structure comprises air pump 24, pressure-reducing valve 23, two-position four-way valve 22 and two one- way throttle valves 20,21, and air pump 24, pressure-reducing valve 23 are connected in series with two-position four-way valve 22; Two one- way throttle valves 20,21 are connected with two delivery outlets of two-position four-way valve 22 respectively, and two one- way throttle valves 20,21 are drawn the pipeline of two outside output gases respectively; The mediation structure comprises two position three- way valve 27,32,42, pressure-reducing valve 43, cylinder 28, needle tubing 29, check valve 30,31, China ink bottle 1, lets out black case 2 and inking head 14, cylinder 28 is connected by a piston rod with needle tubing 29, the syringe needle of needle tubing 29 is connected with inking head 14 and China ink bottle 1 respectively by two check valves 30,31, and the current limliting direction of check valve 30,31 is opposite; Between check valve 30 and the inking head 14 also and be connected to two position three-way valve 32, these two position three-way valve 32 other ends with let out black case 2 and be connected; The upper and lower chamber of cylinder 28 is connected with the gas pipeline that one- way throttle valve 21,20 is drawn respectively, wherein is connected with two position three-way valve 27 between the gas pipeline that lower chambers and one-way throttle valve 20 are drawn; Be connected with on the output channel of upper chamber and also be serially connected with two position three-way valve 42, another pressure-reducing valve 43 successively, and be connected with gas transmission 48; The number of gas transmission 48 is identical with inking head 14, is 6 groups.
For making the cleaning gas Du Genggao in the voltage supply structure, also be provided with the filter 41 that is connected with air pump 24; For adjusting the gas pressure of pressure system and gas transmission 48 more easily, be connected with between pressure-reducing valve 23 and the two-position four-way valve 22 between Pressure gauge 25, pressure-reducing valve 43 and the gas transmission 48 and be connected with Pressure gauge 26.(filter 41, pressure-reducing valve 23, Pressure gauge 25 are formed the so-called pneumatic triple piece of pneumatics personnel.)
The utility model is like this work: inking head 14 is filled in the ink-feeding hole of printhead 12, and gas transmission 48 is placed the switch hole top of printhead 12.Open air pump 24, adjust the spool of two-position four-way valve 22, at this moment, gas enters one-way throttle valve 21 through two-position four-way valve 22, and enters the upper chamber of cylinder 28, under the thrust gas effect, piston rod moves down, and needle tubing 29 upper chamber pressure reduce and since with pipeline that inking head 14 is connected on the obstruct of check valve 30 is arranged, the upper chamber that atmospheric pressure is compressed into needle tubing 29 with ink by another check valve 31 is forced into the cylinder bottom of cylinder 28 up to piston rod; Can regulate the gas pressure of output by Pressure gauge 25 and pressure-reducing valve 23, to reach required cleaning pressure.At this moment, air pump 24 works on.Though gas transmission 48 also is connected on the air flue that is connected with cylinder 28,, just do not have the air communication mistake because two position three-way valve 42 is closed.Change the spool of two-position four-way valve 22, gas flows into through one-way throttle valve 20, by the two position three-way valve 27 that is connected with cylinder 28 lower chambers, enter cylinder 28 lower chambers, and move on the promotion piston rod, but because the ink passage that advances of printhead 12 is not opened, China ink can not enter in the passage of printhead 12; At this moment, open two position three-way valve 42, and with the switch hole of gas transmission 48 align printhead 12, and regulate the gas pressure of these paths, to reach the pressure of the switch hole of opening printhead 12 by pressure-reducing valve 43, Pressure gauge 26; After advancing the ink passage unlatching, the ink of certain pressure enters the printhead ink-containing chamber continuously, constantly flows out by print hole from ink-containing chamber fast again simultaneously, washes away the plug-hole particulate, ejects the purpose that the air in the ink-containing chamber cleans, dredges to reach.
After cleaning finishes, open two position three-way valve 32 and carry out release, ink enters lets out black case 2, printhead 12 is taken off to get final product then.
For cooperating the mediation of printhead 12, the anchor clamps that are exclusively used in the clamping printhead have also been designed, as shown in Figure 2, it comprises black groove 8, black groove lid 9, back-up block 13, locating piece 15, locking member 16,17, aeroscopic plate 11 and gripper shoe 10, two back-up blocks 13 of clamping printhead 12 are fixed on the gripper shoe 10, also are provided with the locating piece of being close to back-up block 13 15 on the gripper shoe 10; Gripper shoe 10 places in the black groove 8; Can place the aeroscopic plate 11 on the back-up block 13 to be rotationally connected with gripper shoe 10, be sky in the middle of the aeroscopic plate 11, and its internal layer also is provided with the passage that can ventilate to the printhead 12 that is clamped in 13 of back-up blocks, and this passage is corresponding with the hole on the printhead 12; Aeroscopic plate 11 is provided with the locking member of condensation mutually, i.e. the combination of check lock lever 16 and snap close 17 with black groove 8; Also be provided with air inlet 19 on the aeroscopic plate 11,8 ends of black groove, also be provided with the ink entrance 18 corresponding with printhead 12.
The utility model can place rack, moves for making things convenient for it, is provided with wheel in the rack bottom.
Claims (7)
1, a kind of dredging machine that is used for large-scale printer port of printer, it is characterized in that, include a voltage supply structure and at least one group of mediation structure that is connected between this voltage supply structure, described voltage supply structure comprises air pump, pressure-reducing valve, two-position four-way valve and two one-way throttle valves, described air pump, pressure-reducing valve and two-position four-way valve serial connection; Two one-way throttle valves are connected with two delivery outlets of described two-position four-way valve respectively, and described one-way throttle valve is outwards exported gas by pipeline; Described mediation structure comprises two position three-way valve, pressure-reducing valve, cylinder, needle tubing, check valve, China ink bottle, lets out black case and inking head, the shared piston rod of cylinder and needle tubing, the syringe needle of needle tubing is connected with China ink bottle and mediation head respectively by two check valves, and the spacing direction of this two check valve is opposite; With also be connected in parallel to two position three-way valve on the pipeline that the inking head is connected, this two position three-way valve other end is connected with lets out black case; Two chambers of described cylinder are connected to the output channel of two one-way throttle valves, wherein also are connected with two position three-way valve on the pipeline of lower chambers; With on the output channel that upper chamber is connected also by two position three-way valve, pressure-reducing valve be connected with a gas transmission head.
2, the dredging machine that is used for large-scale printer port of printer as claimed in claim 1 is characterized in that, is connected with filter between described air pump and the pressure-reducing valve.
3, the dredging machine that is used for large-scale printer port of printer as claimed in claim 1 is characterized in that, this dredging machine also comprises the rack of putting described voltage supply structure and mediation structure.
4, the dredging machine that is used for large-scale printer port of printer as claimed in claim 3 is characterized in that, described rack bottom is equiped with wheel.
5, the dredging machine that is used for large-scale printer port of printer as claimed in claim 1 is characterized in that, this dredging machine also comprises the clamp portion of clamping printhead.
6, the dredging machine that is used for large-scale printer port of printer as claimed in claim 5, it is characterized in that, described clamp portion includes black groove, black groove lid, back-up block, locating piece, locking member, aeroscopic plate and gripper shoe, two back-up blocks of clamping printhead are fixed on the gripper shoe, also are provided with the locating piece of being close to back-up block on the described gripper shoe; Described gripper shoe places in the described black groove; Can place aeroscopic plate and gripper shoe on the back-up block to be rotationally connected, be sky in the middle of the described aeroscopic plate, and its medial surface also is provided with the passage that can blow to the printhead that is clamped between back-up block; Described aeroscopic plate and black groove are provided with the locking member that can be mutually locked; Also be provided with air inlet on the described aeroscopic plate, black bottom land also is provided with the ink entrance corresponding with printhead.
7, the dredging machine that is used for large-scale printer port of printer as claimed in claim 6 is characterized in that, described back-up block, locating piece, ink entrance can be provided with many groups as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320101474 CN2645906Y (en) | 2003-10-21 | 2003-10-21 | Dredging machine for printing head of large-scale printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320101474 CN2645906Y (en) | 2003-10-21 | 2003-10-21 | Dredging machine for printing head of large-scale printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2645906Y true CN2645906Y (en) | 2004-10-06 |
Family
ID=34304955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320101474 Expired - Fee Related CN2645906Y (en) | 2003-10-21 | 2003-10-21 | Dredging machine for printing head of large-scale printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2645906Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198841A (en) * | 2017-03-31 | 2019-09-03 | 惠普发展公司，有限责任合伙企业 | Filling device for print head |
-
2003
- 2003-10-21 CN CN 200320101474 patent/CN2645906Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198841A (en) * | 2017-03-31 | 2019-09-03 | 惠普发展公司，有限责任合伙企业 | Filling device for print head |
| US11446932B2 (en) | 2017-03-31 | 2022-09-20 | Hewlett-Packard Development Company, L.P. | Primers for print heads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |