CN205058836U - Ink -jet head and ink -jet recording apparatus - Google Patents
Ink -jet head and ink -jet recording apparatus Download PDFInfo
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- CN205058836U CN205058836U CN201520762295.6U CN201520762295U CN205058836U CN 205058836 U CN205058836 U CN 205058836U CN 201520762295 U CN201520762295 U CN 201520762295U CN 205058836 U CN205058836 U CN 205058836U
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Abstract
The utility model discloses an ink gun has: first main part, for the drive control IC, radiator, cap spare and intermediate member. First main part has formed the printing ink room of accomodating printing ink and with printing ink room intercommunication and spit the nozzle of printing ink. IC driving head main part for the drive control spits printing ink from the nozzle. The radiator is fixed with IC for the drive control. IC's mode is fixed in the radiator to cap spare for the drive control in order to cover. The intermediate member disposes in for the drive control between IC and the cap spare, is connected with IC and cap spare for the drive control are hot respectively.
Description
Technical field
The utility model relates to a kind of ink gun of ink-jet recording apparatus, and adopts the ink-jet recording apparatus of this ink gun.
Background technology
Ink-jet recording apparatus generally comprises the transport platform providing recording medium, and information is printed ink gun on the recording medium, and provides the ink feeder of ink for ink gun, and the recording medium after type information is discharged by discharge portion.
Wherein, ink gun, by spuing to record-paper by ink from the nozzle of head main body, prints record-paper.Head main body is driven by drived control IC.
In recent years, along with the increase of lettering rate and the increase of print speed, the load for drived control IC also increases, and the heating of drived control IC also increases.The heat transfer that drived control IC produces by present ink gun is to radiator and distribute.
Along with the increase of the heat that drived control produces with IC, create following method, that is, make the area of dissipation of radiator increase, improve the cooling effectiveness of ink gun.But if the outer deformation of ink gun is large, so bring impact to the size of ink-jet recording apparatus, therefore, the profile of ink gun is limited.If the temperature of drived control IC exceedes the heat resisting temperature (hot boundary) of drived control IC, so, drived control IC is likely caused to damage.
Utility model content
The ink gun that this Novel domestic embodiment relates to, possesses:
Head main body, is formed with the ink chamber of storage ink and is communicated with described ink chamber and the nozzle of the described ink that spues;
Drived control IC, drives described head main body, is spued by described ink from described nozzle;
Radiator, fixes described drived control IC;
Cover, is fixed on described radiator in the mode covering described drived control IC; And
Intermediate member, is configured between described drived control IC and described cover, respectively with described drived control with IC and described cover is hot is connected.
The ink-jet recording apparatus that the utility model embodiment relates to, possesses,
Transport platform, conveying recording medium;
Ink gun, is injected into ink on described recording medium;
Ink feeder, for described ink gun provides ink;
Described ink gun comprises further:
Head main body, is formed with the ink chamber of storage ink and is communicated with described ink chamber and the nozzle of the described ink that spues;
Drived control IC, drives described head main body, is spued by described ink from described nozzle;
Radiator, fixes described drived control IC;
Cover, is fixed on described radiator in the mode covering described drived control IC; And
Intermediate member, is configured between described drived control IC and described cover, respectively with described drived control with IC and described cover is hot is connected.
The heat that drived control is produced with IC by intermediate member by the utility model, is directly passed on cover, then is distributed to outside, improves the radiating effect of whole ink gun.
Accompanying drawing explanation
Fig. 1 is the profile schema diagram of the overall structure example of the printer representing the first embodiment;
Fig. 2 is the stereogram after being decomposed by the ink gun of the printer of the first embodiment;
Fig. 3 is the stereogram after being decomposed by the ink gun of the first embodiment further;
Fig. 4 is the ground plan after a part for the ink gun of the first embodiment being blocked;
Fig. 5 is the profile of the cutting line A1-A1 in Fig. 4;
Fig. 6 is the profile of the side of the ink gun of the first embodiment;
Fig. 7 is the enlarged drawing in the A2 portion in Fig. 6;
Fig. 8 is the stereogram after being decomposed by the ink gun of the second embodiment;
Fig. 9 is the profile of the side of the ink gun of the second embodiment;
Figure 10 is the front view of the pressing panel beating of the ink gun of the second embodiment;
Figure 11 is the top view of the pressing panel beating of the ink gun of the second embodiment;
Figure 12 is the enlarged drawing in the A3 portion in Fig. 9.
Detailed description of the invention
(the first embodiment)
Below, with reference to accompanying drawing, the printer of embodiment is described.
As shown in Figure 1, such as, while the record-paper P as recording medium carried by the printer 1 of present embodiment, the various process such as image formation are carried out.Printer 1 has: casing 10, paper feeding cassette 11, discharge tray 12, maintaining roller (drum) 13, conveying device (delivery section) 14, holding device 15, image processing system 16, except electric stripping off device 17, inversion set 18, cleaning device 19 and control part 20.
Paper feeding cassette 11 receives multiple record-paper P, is configured in casing 10.
Discharge tray 12 is positioned at the top of casing 10.The record-paper P having been carried out image formation by printer 1 is discharged to discharge tray 12.
Conveying device 14 has: along multiple guiding element and multiple conveying roller of the path configurations of feeding recordable paper P.This conveying roller is driven by a motor rotation, thus, record-paper P is delivered to discharge tray 12 from paper feeding cassette 11 via ink gun 25 described later.
Maintaining roller 13 has: the framework of the cylindrical shape formed by conductor; And be formed in the thin insulating barrier on surface of this framework.Described frame ground (grounding connection).Maintaining roller 13 rotates with the state of the paper P that holds the record in its surface, thus, and feeding recordable paper P.
Holding device 15 will be adsorbed from the record-paper P that paper feeding cassette 11 exports by conveying device 14 and remain on the surface (outer peripheral face) of maintaining roller 13.Record-paper P by being pressed in after on maintaining roller 13, by based on charged electrostatic force, is adsorbed on maintaining roller 13 by holding device 15 by record-paper P.
Image processing system 16, on the record-paper P of outside being remained on maintaining roller 13 by holding device 15, forms image.Image processing system 16 has multiple ink guns 25 on the surface in the face of maintaining roller 13.Such as, multiple ink gun 25 can be arranged on balladeur train movably, and relative record paper P moves.Such as, the ink of blue-green, magenta, yellow, this four look of black spues on record-paper P by multiple ink gun 25 respectively, thus, forms image.
The detailed description of ink gun 25 describes below.
Except electric stripping off device 17 is by carrying out the record-paper P defining image, except electricity, peeling off from maintaining roller 13.Except electric stripping off device 17 supplies electric charge, record-paper P is carried out except electricity.Except electric stripping off device 17 inserts pawl between record-paper P and maintaining roller 13.Thus, from maintaining roller 13, record-paper P is peeled off.The record-paper P peeled off from maintaining roller 13 passes through conveying device 14, is delivered to discharge tray 12 or inversion set 18.
Cleaning device 19 pairs of maintaining rollers 13 clean.Cleaning device 19 is arranged in the downstream except electric stripping off device 17 of the direction of rotation of maintaining roller 13.Cleaning device 19 makes cleaning member 19a abut the surface of the maintaining roller 13 rotated, and cleans the surface of the maintaining roller 13 rotated.
The positive and negative of the record-paper P peeled off from maintaining roller 13 reverses by inversion set 18, is again supplied on the surface of maintaining roller 13 by this record-paper P.Such as, record-paper P, along the specific reversing paths feeding recordable paper P reversed by record-paper P fore-and-aft direction, thus, reverses by inversion set 18.
These maintaining rollers 13, conveying device 14, holding device 15, image processing system 16, to be controlled by control part 20 except electric stripping off device 17, inversion set 18 and cleaning device 19.
As shown in Figures 2 and 3, ink gun 25 has: head main body 26, first drived control IC (IntegratedCircuit) 27A and the second drived control IC27B, the first radiator (radiator) 28A and the second radiator (radiator) 28B, the first cover (cover) 29A and the second cover (cover) 29B, heat radiation thin slice (intermediate member) 30A, 30B and datum plate (reference component) 31.
In present embodiment, the structure of the first radiator 28A and the second radiator 28B is identical.Therefore, about the structure of the first radiator 28A, for numeral or digital and English lower case interpolation English capitalization " A ", about the structure of the correspondence of the second radiator 28B, represent after identical numeral or numeral and English lower case interpolation English capitalization " B ".Thus, the repetitive description thereof will be omitted.Also be same about the first drived control IC27A and the second drived control IC27B, the first cover 29A and the second cover 29B etc.
Such as, recess 28aB, the 28bB of recess 28aA, the 28bA of the first radiator 28A, breach 28cA and the second radiator 28B, breach 28cB are identical structures.
As shown in Figures 4 and 5, head main body 26 has: base substrate 35, nozzle plate 36, framework 37 and manifold 38.The space that base substrate 35, nozzle plate 36 and framework 37 surround becomes ink chamber 40.
Such as, the film that nozzle plate 36 is manufactured by polyimides is formed.
Nozzle plate 36 is formed multiple nozzle 36a.Nozzle 36a is formed in the hole on nozzle plate 36.
Nozzle plate 36 has first jet group 36aA and second nozzle group 36aB, that is, as multiple nozzle 36a, be arranged in multiple nozzle 36a that orientation (first direction) X is formed.Second nozzle group 36aB offsets Y in the vertical direction relative to first jet group 36aA, vertical direction Y respectively with along the ink that spues from nozzle 36a towards the direction Z and orientation X that spues vertical.
Each nozzle 36a of first jet group 36aA and each nozzle 36a of second nozzle group 36aB configures at orientation X deviation post.That is, in orientation X, between a pair nozzle 36a adjacent on the orientation X of first jet group 36aA, the nozzle 36a of configuration second nozzle group 36aB.
Such as, base substrate 35 is the sheet material formed by the pottery being similar to aluminium oxide.Base substrate 35 has installed surface 35a, defines multiple supply hole 35b and multiple tap 35c.The through base substrate 35 of supply hole 35b and tap 35c, in installed surface 35a upper shed.
Multiple supply hole 35b, in the central portion of base substrate 35, arranges along orientation X.Supply hole 35b is to ink chamber 40 opening.Ink is supplied to ink chamber 40 from supply hole 35b.
Multiple tap 35c, to clip the mode of the supply hole 35b formed a line, lines up two row along orientation X.Tap 35c is to ink chamber 40 opening.The ink of ink chamber 40 is discharged from tap 35c.
To be spaced from each other and to bond a pair piezoelectric part 42 along the mode that orientation X extends on installed surface 35a in ink chamber 40.Such as, a pair piezoelectric part 42 is two pieces of piezoelectric boards that the lead zirconate titanate (PZT) of fitting manufactures.Piezoelectric part 42 is between the row and the row of tap 35c of supply hole 35b.
Piezoelectric part 42 is formed multiple groove 42a.Groove 42a is Y extension in the vertical direction respectively.Multiple groove 42a arranges on orientation X.To supply and the ink being accommodated in ink chamber 40 is supplied to multiple groove 42a from supply hole 35b.This ink, by groove 42a, is discharged from tap 35c.
The inner face of multiple groove 42a is covered by not shown electrode respectively.The part being respectively formed at the wall-like of the piezoelectric part 42 between multiple groove 42a is separately formed the electrode clamping of adjacent groove 42a.Thus, the part of the wall-like of piezoelectric part 42 plays a role as piezoelectric element.
Above-mentioned nozzle plate 36 is arranged on base substrate 35 by framework 37, relative with base substrate 35.Nozzle plate 36 also bonds with piezoelectric part 42.
Multiple nozzle 36a respectively to multiple groove 42a opening, and is communicated with ink chamber 40.In groove 42a, pressurized ink spues from the nozzle 36a of correspondence.
Framework 37 is formed as frame-shaped.Framework 37 is formed by such as nickel alloy.Framework 37 is between nozzle plate 36 and base substrate 35.
On manifold 38, form inking stream 38a and ink discharge duct 38b.An end of inking stream 38a is connected with multiple supply hole 35b.An end of ink discharge duct 38b is connected with multiple tap 35c.Ink discharge duct 38b is connected, at branched halfway in order to the multiple tap 35c comprised in arranging with two.
Inking pipe 44 shown in inking stream 38a and Fig. 3 connects.Ink discharge duct 38b is connected with ink discharge pipe 45.Pipe 44,45 and not shown, receive ink in inside ink tank; And the pump to be sent by the ink in ink tank connects.Such as, ink tank and pump are arranged at the printer main body 21 (with reference to Fig. 1) formed by metallic plate etc.
As depicted in figs. 3 and 5, base substrate 35, nozzle plate 36, framework 37 and manifold 38 are while orientation X extends, overlapping at the direction Z that spues.
The overall masked plate 47 in side of head main body 26 covers.
As shown in Figure 3, datum plate 31 is formed as the tabular in orientation X extension.The both ends of the orientation X of datum plate 31 become fastening part 31a by forming through hole etc.The fastening part 31a of datum plate 31 is fixed on printer main body 21 by screw component etc.
Datum plate 31 and head main body 26 by screw component 48 is screwed onto be formed in head main body 26 not shown female screw division on or binding agent etc. be fixed.
As shown in Figure 3 and Figure 6, radiator 28A, 28B is formed as respectively along the tabular that orientation X and the direction Z that spues extends.Radiator 28A, 28B are to configure datum plate 31 mode that Y clamps in the vertical direction.
First radiator 28A in the vertical direction datum plate 31 side of Y face and with the face of datum plate 31 opposition side of vertical direction Y on form recess 28aA, 28bA respectively.On the face of datum plate 31 side of the vertical direction Y of the first radiator 28A, at the first side Z1 of the direction Z that spues, form breach 28cA in end.Breach 28cA is communicated with recess 28aA.Radiator 28A, 28B are used aluminium and are formed by metal die casting (die casting).
As shown in Figure 2, the first drived control IC27A, at the first side Z1 of the direction Z that spues of recess 28bA, in end, lines up one at orientation X and configures over the ground.A pair first drived control IC27A are configured in the position close with head main body 26 in recess 28bA.At the second side Z2 of the direction Z that spues of recess 28bA, end is configured with electric connector 50A.A pair first drived control IC27A and electric connector 50A are equipped on wiring film 53A, are electrically connected with wiring film 53A.
Such as, wiring film 53A is the coated material by being formed by polyimides, by multiple for the heart yearn formed by metals such as copper coated forming that be arranged.As shown in Figure 7, wiring film 53A is configured at the side (first cover 29A side) contrary with the first radiator 28A of relative first drived control IC27A and configures.
The each electrode closing on side with the first drived control IC27A in wiring film 53A and a pair piezoelectric part 42 is electrically connected.As shown in Figure 6, wiring film 53A bends along the first radiator 28A and head main body 26.
Wiring film 57A shown in electric connector 50A and Fig. 8 connects.First drived control IC27A is fixed with the recess 28bA of the first radiator 28A by binding agent etc.
If by a pair first drived control IC27A driving head main bodys 26, so, to spue ink from multiple nozzle 36a of first jet group 36aA.
As shown in Figure 3, datum plate 31 fixes by screw component 60 is screw-coupled to the not shown female screw division be formed on datum plate 31 with radiator 28A, 28B.At this moment, the edge of the recess 28aA of the first radiator 28A contacts with the edge of the recess 28aB of the second radiator 28B.As shown in Figure 6, the recess 28aA of the first radiator 28A and the recess 28aB of the second radiator 28B are to be separated from each other and relative mode configures.
As shown in Figures 2 and 6, cover 29A, 29B is formed as respectively along the tabular that orientation X and the direction Z that spues extends.Cover 29A, 29B configure in the mode clipping radiator 28A, 28B.First cover 29A is configured in the relative first drived control IC27A side contrary with the first radiator 28A.
The face of the first cover 29A first radiator 28A side of Y in the vertical direction forms recess 29aA.Cover 29A, 29B are formed in the same manner as radiator 28A, 28B.
As shown in Figure 2, the first radiator 28A and the first cover 29A fixes by screw component 62 is bolted in the female screw division 28dA be formed on the first radiator 28A.First cover 29A is fixed on the first radiator 28A in the mode covering the first drived control IC27A.
As shown in Figure 6, in the space formed by the recess 28bA of the first radiator 28A and the recess 29aA of the first cover 29A, be configured with electric connector 50A, wiring film 57A, the first drived control IC27A and heat radiation thin slice 30A etc.
As shown in Figures 2 and 6, the thin slice 30A that dispels the heat is formed as flake by resins such as having flexible silicon.It is preferred that in resin, comprise the particle formed by the large copper of the pyroconductivity than resin or pottery.The pyroconductivity of heat radiation thin slice 30A is more than the pyroconductivity of wiring film 53A.By making the outside of heat radiation thin slice 30A become, there is viscosity, even if be not coated with new binding agent etc., also heat radiation thin slice 30A can be remained between wiring film 53A and the first cover 29A.Heat radiation thin slice 30A recovers shape in elastic deformation.
As shown in Figure 7, the thin slice 30A that dispels the heat is configured between the first drived control IC27A and the first cover 29A.Heat radiation thin slice 30A respectively with the first drived control with IC27A and the first cover 29A is hot is connected.Refer in this so-called hot connection, between not air entrainment layer, between the parts that formed by the solid such as resin or metal to contact with each other connection.Specifically, in the first radiator 28A side of the vertical direction Y of heat radiation thin slice 30A, heat radiation thin slice 30A contacts with wiring film 53A, and wiring film 53A contacts with the first drived control IC27A.First drived control IC27A contacts with the first radiator 28A.In the first cover 29A side of the vertical direction Y of heat radiation thin slice 30A, heat radiation thin slice 30A contacts with the first cover 29A.
When forming ink gun 25, sometimes such as between the first drived control IC27A and wiring film 53A, be mixed into micro-air.But if at least one of the first drived control IC27A and wiring film 53A contacts, so, they become hot connection.
Heat radiation thin slice 30A in the vertical direction Y is compressed.Due to the reaction force based on this, heat radiation thin slice 30A makes wiring film 53A contact (pinning) first drived control IC27A, while making the first drived control IC27A contact first radiator 28A, and contact first cover 29A.
About the second radiator 28B, the second drived control IC27B, form in the same manner as the first radiator 28A, the first drived control IC27A.
That is, the second drived control IC27B is fixed on the second radiator 28B.If by a pair second drived control IC27B driving head main bodys 26, so, to spue ink from multiple nozzle 36a of second nozzle group 36aB.
As shown in Figure 2, on radiator 28A, 28B and cover 29A, 29B, top cover 55 is configured with.Top cover 55 is formed with through hole 55a, the 55b for being inserted by pipe 44,45; And elongated hole 55c, the 55d for wiring film 57A, 57B are inserted.Wiring film 57A, 57B, by not shown electric connector, are connected with control part 20.
The not shown female screw division be formed on radiator 28A, 28B fixes by making screw component 61 be bolted in for radiator 28A, 28B and cover 29A, 29B and top cover 55.
Then, action during running to printer 1 configured as described above is described.
If printer 1 starts, so, control part 20 makes pump work.If pump work, the ink so in ink chamber 40 flows out from the tap 35c of base substrate 35.This ink is discharged by the ink discharge duct 38b of manifold 38 and ink discharge pipe 45, by ink tank, and inflow pump.
Ink by inking pipe 44 and inking stream 38a, is supplied to supply hole 35b by pump.This ink is supplied to ink chamber 40 from supply hole 35b.The ink being supplied to ink chamber 40 is supplied in multiple groove 42a of piezoelectric part 42.
The surface of maintaining roller 13 will be held in from the record-paper P that paper feeding cassette 11 exports by conveying device 14.
In order to the specific ink that spues, control part 20 sends the index signal representing instruction to ink gun 25 by cable.This index signal is sent to drived control IC27A, 27B via wiring film 57A, 57B, 53A, 53B.
Drived control IC27A, 27B apply drive singal by wiring diagram to electrode based on this index signal, driving head main body 26.
If drived control IC27A, 27B apply drive singal to electrode, so, a part for the ink in groove 42a is spued from the nozzle 36a of nozzle group 36aA, 36aB by piezoelectric part 42.The ink do not spued, by groove 42a, is discharged from tap 35c.The ink be discharged is inhaled into pump again via ink tank.So, ink circulates between ink gun 25 and ink tank and pump.
By the ink spued from the nozzle 36a of the ink gun 25 of answering with each Color pair, to record-paper P printing images.Record-paper P after printing, by except electric stripping off device 17 is after maintaining roller 13 stripping, by conveying device 14, is delivered to discharge tray 12.
Drived control with IC27A, 27B apply drive singal time etc. heating.A part for the heat that first drived control IC27A produces conducts to the first radiator 28A, dispels the heat to outside from the outside etc. of the orientation X of the first radiator 28A.
Other parts of the heat that first drived control produces with IC27A are dispelled the heat to outside from the outside etc. of the first cover 29A by wiring film 53A and heat radiation thin slice 30A.That is, the heat of the first drived control IC27A generation is from the first side being configured at the vertical direction Y relative with the first drived control IC27A, and the first radiator 28A of hot connection dispels the heat.And then by being configured at second side of the vertical direction Y relative with the first drived control IC27A, and the wiring film 53A of mutual hot connection, heat radiation thin slice 30A and the first cover 29A dispel the heat.
Because the edge of the recess 28aA of the first radiator 28A contacts with the edge of the recess 28aB of the second radiator 28B, thus conduct to the first radiator 28A heat so that after conducting to the second radiator 28B, heat radiation is to outside.
About the heat that the second drived control produces with IC27B, too.
As described above, by ink gun 25 and the printer 1 of present embodiment, the heat that first drived control produces with IC27A, not only from the first radiator 28A, is also externally dispelled the heat by wiring film 53A, the heat radiation thin slice 30A and the first cover 29A of mutual hot connection.Therefore, the heat produced with IC27A by the first drived control, not only from the first radiator 28A, externally can also be dispelled the heat from the first cover 29A efficiently.
Heat radiation thin slice 30A uses silicones to be formed as flake.Therefore, the thin slice 30A that dispels the heat can easily be configured between wiring film 53A and the first cover 29A.
The edge of the recess 28aA of the first radiator 28A contacts with the edge of the recess 28aB of the second radiator 28B.Therefore, it is possible to after the heat conducting to the first radiator 28A is conducted to the second radiator 28B further, externally dispel the heat.
(the second embodiment)
Then, be described the second embodiment of the present invention, the position identical with described embodiment marks identical label, and the description thereof will be omitted, is only described difference.
As can be seen from figures 8 and 9, the ink gun 70 of present embodiment replaces heat radiation thin slice 30A, 30B of the ink gun 25 of the first embodiment, has pressing panel beating (intermediate member) 71A, 71B.
The face of the second radiator 28B side of the second cover 29B forms a pair protuberance 29bB.A pair protuberance 29bB is formed side by side at orientation X.Female screw division 29cB is formed between a pair protuberance 29bB.
As shown in Figures 10 and 11, press panel beating 71B and there is installation portion 72B, sheet metal main body 73B and a pair arm 74B.In addition, Tu11Zhong, uses two-dot chain line to represent the shape of the nature of a pair arm 74B, makes the shape of a pair arm 74B indicated by the solid line after elastic deformation.
Installation portion 72B is formed the circular hole 72aB and the elongated hole 72bB that insert a pair protuberance 29bB.No matter the pitch being formed at a pair protuberance 29bB of the second cover 29B offsets how many, can insert the mode of circular hole 72aB and elongated hole 72bB with a pair protuberance 29bB, forms elongated hole 72bB at installation portion 72B.
Between circular hole 72aB in installation portion 72B and elongated hole 72bB, form through hole 72cB.
Sheet metal main body 73B extends from the central portion of the orientation X of installation portion 72B to the first side Z1 of the direction Z that spues.At the central portion of the direction Z that spues of sheet metal main body 73B, sheet metal main body 73B, in order to bend close to the second radiator 28B, thus, forms section portion 73aB.In the end of the first side Z1 of sheet metal main body 73B, a pair above-mentioned arm 74B extends in the direction be separated from each other of orientation X.Under the nature that arm 74B does not act in external force, along with arm 74B is separated from sheet metal main body 73B, just to tilt close to the mode of the second radiator 28B.Each arm 74B with the end of sheet metal main body 73B opposition side, formed towards the second radiator 28B become convex, be formed as curved press section 74aB.
Installation portion 72B, sheet metal main body 73B and a pair arm 74B, by carrying out stamping processing and punch process to the sheet material with flexible metal manufacture of copper, stainless steel etc., are integrally formed.
Pressing panel beating 71B, on a pair protuberance 29bB of the second cover 29B, makes the circular hole 72aB of installation portion 72B and elongated hole 72bB insert.
As shown in figure 12, pressing panel beating 71B is spirally connected by the female screw division 29cB of the screw component 64 and the second cover 29B that make the through hole 72cB inserting installation portion 72B and fixes on the second cover 29B.
The ink gun 70 of formation like this, by a pair elastic deformation of arm 74B in the second cover 29B side, makes the second drived control IC27B from the second cover 29B towards the second radiator 28B direction contact.
During a pair arm 74B elastic deformation, observe from vertical direction Y, the press section 74aB of arm 74B is configured at the central portion of the second drived control IC27B (with reference to Figure 10).By being configured at the press section 74aB of the central portion of the second drived control IC27B, can with stable state contact second drived control IC27B.
As described above, by the ink gun 70 of present embodiment, by the elasticity of pressing panel beating 71B, pressing panel beating 71B presses flexible printing wiring 53B.Similarly, flexible printing wiring 53B presses the second drived control IC27B, and the second drived control IC27B presses the second radiator 28B.
Press the thermal resistance of panel beating 71B and flexible printing wiring 53B contact portion, flexible printing wiring 53B and the second drived control thermal resistance of IC27B contact portion and the thermal resistance of the second drived control IC27B and the second radiator 28B contact portion to reduce.Heat trnasfer to the second radiator 28B that second drived control produces with IC27B and pressing panel beating 71B, therefore, it is possible to dispel the heat the heat that the second drived control IC27B produces efficiently.
In addition, in described first embodiment and the second embodiment, on nozzle plate 36, Y shape becomes this two row nozzle group of first jet group 36aA and second nozzle group 36aB in the vertical direction.But the nozzle group that nozzle plate 36 is formed can be row.
When using the first drived control IC27A to control a row nozzle group, when not possessing the second drived control IC27B, this ink gun can not possess the second radiator 28B and the second cover 29B.
By at least one embodiment described above, possess intermediate member 30A, 71A, intermediate member 30A, 71A are configured between the first drived control IC27A and the first cover 29A, respectively with the first drived control with IC27A and the first cover 29A is hot is connected.Thereby, it is possible to the heat that the first drived control IC27A produces more effectively is dispelled the heat.
Although the description of several embodiment of the present utility model, but these embodiments are propose as an example, are not intended to limit scope of the present utility model.These new embodiments, can implement in other various modes, in the scope of main idea not departing from utility model, can carry out various omission, displacement, combination and change.These embodiments and its distortion are all contained in scope of the present utility model and main idea, and in the utility model be contained in described in claims and equivalency range thereof.
Claims (10)
1. an ink gun, is characterized in that, possesses:
Head main body, is formed with the ink chamber of storage ink and is communicated with described ink chamber and the nozzle of the described ink that spues;
Drived control IC, drives described head main body, is spued by described ink from described nozzle;
Radiator, fixes described drived control IC;
Cover, is fixed on described radiator in the mode covering described drived control IC; And
Intermediate member, is configured between described drived control IC and described cover, respectively with described drived control with IC and described cover is hot is connected.
2. ink gun according to claim 1, is characterized in that,
Described intermediate member is formed as flake by silicones.
3. ink gun according to claim 1, is characterized in that,
The sheet material that described intermediate member is manufactured by metal is formed, by described drived control IC from described cover towards the direction contact of described radiator.
4. ink gun according to claim 3, is characterized in that,
Described intermediate member comprises:
Sheet metal main body;
Arm, is elastic arc platy structure, is connected with described sheet metal main body, at the two ends of described arm away from the side of described sheet metal main body, is provided with press section corresponding with described drived control IC position respectively;
Installation portion, is connected with described sheet metal main body, described sheet metal main body to be a little fixed with pre-fixing.
5. ink gun according to claim 1, is characterized in that,
As described radiator, there is the first radiator and the second radiator that configure in the mode mutually contacted at least partially.
6. an ink-jet recording apparatus, is characterized in that, possesses,
Transport platform, conveying recording medium;
Ink gun, is injected into ink on described recording medium;
Ink feeder, for described ink gun provides ink;
Described ink gun comprises further:
Head main body, is formed with the ink chamber of storage ink and is communicated with described ink chamber and the nozzle of the described ink that spues;
Drived control IC, drives described head main body, is spued by described ink from described nozzle;
Radiator, fixes described drived control IC;
Cover, is fixed on described radiator in the mode covering described drived control IC; And
Intermediate member, is configured between described drived control IC and described cover, respectively with described drived control with IC and described cover is hot is connected.
7. ink-jet recording apparatus according to claim 6, is characterized in that,
Described intermediate member is formed as flake by silicones.
8. ink-jet recording apparatus according to claim 6, is characterized in that,
The sheet material that described intermediate member is manufactured by metal is formed, by described drived control IC from described cover towards the direction contact of described radiator.
9. ink-jet recording apparatus according to claim 8, is characterized in that,
Described intermediate member comprises:
Sheet metal main body;
Arm, is elastic arc platy structure, is connected with described sheet metal main body, at the two ends of described arm away from the side of described sheet metal main body, is provided with press section corresponding with described drived control IC position respectively;
Installation portion, is connected with described sheet metal main body, described sheet metal main body to be a little fixed with pre-fixing.
10. ink-jet recording apparatus according to claim 6, is characterized in that,
As described radiator, there is the first radiator and the second radiator that configure in the mode mutually contacted at least partially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762295.6U CN205058836U (en) | 2015-09-29 | 2015-09-29 | Ink -jet head and ink -jet recording apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762295.6U CN205058836U (en) | 2015-09-29 | 2015-09-29 | Ink -jet head and ink -jet recording apparatus |
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| CN205058836U true CN205058836U (en) | 2016-03-02 |
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| CN201520762295.6U Expired - Fee Related CN205058836U (en) | 2015-09-29 | 2015-09-29 | Ink -jet head and ink -jet recording apparatus |
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| CN (1) | CN205058836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018167476A (en) * | 2017-03-30 | 2018-11-01 | ブラザー工業株式会社 | Liquid discharge head |
| JP2018183928A (en) * | 2017-04-26 | 2018-11-22 | セイコーエプソン株式会社 | Liquid jetting head and liquid jetting device |
| JP2018202819A (en) * | 2017-06-09 | 2018-12-27 | コニカミノルタ株式会社 | Inkjet head and inkjet recording device |
| JPWO2017183389A1 (en) * | 2016-04-18 | 2019-02-28 | コニカミノルタ株式会社 | Ink jet head, head module, and ink jet recording apparatus |
-
2015
- 2015-09-29 CN CN201520762295.6U patent/CN205058836U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2017183389A1 (en) * | 2016-04-18 | 2019-02-28 | コニカミノルタ株式会社 | Ink jet head, head module, and ink jet recording apparatus |
| JP2018167476A (en) * | 2017-03-30 | 2018-11-01 | ブラザー工業株式会社 | Liquid discharge head |
| JP2018183928A (en) * | 2017-04-26 | 2018-11-22 | セイコーエプソン株式会社 | Liquid jetting head and liquid jetting device |
| JP2018202819A (en) * | 2017-06-09 | 2018-12-27 | コニカミノルタ株式会社 | Inkjet head and inkjet recording device |
| JP7019973B2 (en) | 2017-06-09 | 2022-02-16 | コニカミノルタ株式会社 | Inkjet head and inkjet recording device |
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