CN205467932U - Ink feed mechanism of shower nozzle is printed in inkjet - Google Patents

Abstract

The utility model discloses an ink feed mechanism of shower nozzle is printed in inkjet, its lower surface are printing the unsmooth mating surface of shower nozzle upper surface meshing with the inkjet, unsmooth mating surface divide into a plurality of independent meshing zones side by side, independent meshing zone is equipped with respectively and forms the sealed recess that independently supplies black cavity with the ink -covered area meshing of independently supplying that the shower nozzle was printed in the inkjet, be equipped with a plurality of generals respectively in the ink feed mechanism the recess with the runner of ink is introduced in the confession of ink feed mechanism upper surface intercommunication, the buffering thin layer has been laid in the recess respectively. The buffering thin layer is in independently supplying can effectively slow down in the black cavity side -to -side movement of ink, reducing the shock range of ink, avoid the ink to form the torrent, prevent that the bubble from producing, still can block the bubble and make bubble breakage simultaneously, the confession china ink of avoiding the bubble to print the shower nozzle from the inkjet mouthful gets into, avoids appearing the smooth and disconnected black phenomenon of inkjet, and then can improve the print quality.

Description

The ink-feeding device of ink jet printing head

Technical field

This utility model belongs to printer apparatus field, is specifically related to the ink supply dress of a kind of ink jet printing head Put.

Background technology

Fig. 1 show the ink jet printing head 1 of a kind of printer, and ink jet printing head 1 upper surface sets There are six independences for keeping in ink side by side for ink-covered area 101, the independent centre position for ink-covered area 101 It is provided with the ink supply port 102 of protrusion；Ink jet printing head 1 lower surface centre position is downwardly projecting and is provided with Print surface, print surface is provided with the spray orifice that six rows connect respectively with six ink supply ports 102；Ink can Enter through ink supply port 102 and then pass through ink jet printing head 1 and flow to print surface and printed by spray orifice Dye.Independence confession ink-covered area 101 can be installed print cartridge or other ink-feeding devices filling ink；Print cartridge or Other ink-feeding devices of person can engage and be formed six independent ink supply skies closed with independent for ink-covered area 101 Chamber.During owing to printing, ink jet printing head 1 ceaselessly left and right is the most mobile, the ink in independent ink supply cavity Water there will be concussion, easily forms turbulent flow and produces bubble, when bubble enters from ink supply port 102, then warp Print surface flows out, and part spray orifice ink droplet injection smooth even appearance injection now may be caused to interrupt (disconnected Ink) phenomenon, affect print quality.

Utility model content

Therefore, easily there is gas for independence ink supply cavity ink inside when printing in prior art in this utility model The technical problem of bubble, it is therefore intended that provide one can prevent bubble from producing and preventing bubble from entering inkjet printing The ink-feeding device of the ink jet printing head of the ink supply port of shower nozzle.

The lower surface of the ink-feeding device of ink jet printing head of the present utility model is can be with ink jet printing head The concavo-convex field of conjugate action of upper surface engagement, the described concavo-convex field of conjugate action is divided into some independent engagement districts side by side, institute State independent engagement district to be respectively equipped with and can become the only of sealing with the independence of ink jet printing head for ink-covered area engaging The groove of vertical ink supply cavity；It is provided with some respectively by described groove and described ink supply dress in described ink-feeding device Put the runner for introducing ink of upper surface connection；Buffer layer it is equipped with respectively in described groove.Described Buffer layer plays cushioning effect, and the left and right that can slow down the ink in described independent ink supply cavity is shaken, anti- Only bubble produces.

Described runner penetrates described ink-feeding device vertically upward and continues up and extend in described ink-feeding device Upper surface on formed protrude for connect ink delivery hose pipeline connection mouth.

In a preferred embodiment of the present utility model, described groove is the rectangular groove of fillet, accordingly The horizontal stroke of the described independent ink supply cavity that the independence of described groove and described ink jet printing head is formed for ink-covered area Cross section is fillet rectangle, and the fillet that the profile of described buffer layer is set to described groove matches is rectangular Shape, can fully reduce the described independent ink supply cavity of partition with buffer layer this described, can effectively slow down ink Side-to-side movement in described independent ink supply cavity, reduces the shock range of ink, it is to avoid ink forms rapids Stream, prevents bubble from producing, reaches preferably to buffer anti-foaming effect.

In a preferred embodiment of the present utility model, described buffer layer is covered with said minuscule hole, and ink can be through Described said minuscule hole passes through described buffer layer.Described said minuscule hole can be square, rhombus, circle Or the said minuscule hole of other shapes, the said minuscule hole of the non-arc-shaped edges such as the most square, rhombus, with described in this Hole has sharp-pointed corner, bubble can be made to be easier to absorption through described said minuscule hole and rupture.

Described buffer layer can be reticulate body, it is easier to make the bubbles burst of generation.

Described buffer layer can be selected for non-woven fabrics, sponge, plastic sheet, metal gauze or other materials Thin layer, preferably non-woven fabrics or sponge, non-woven fabrics or sponge has more preferably buffering effect, can be more effective Prevent foaming output.

Positive progressive effect of the present utility model is: described ink-feeding device is nibbled with described ink jet printing head Form independent ink supply cavity during conjunction, described buffer layer in described independent ink supply cavity floatability described On the ink water surface in independent ink supply cavity or close to the ink water surface, independent confession can be slowed down to a certain extent The side-to-side movement of ink cavity ink inside, reduces the shock range of ink, it is to avoid ink turbulization, prevents A large amount of foamings；On the other hand, the ink supply port of described ink jet printing head can be covered by described buffer layer, Even if owing to ink concussion creates a small amount of bubble, described buffer layer also can stop bubble and make bubble break Split, it is to avoid bubble enters from described ink supply port, it is to avoid the not smooth and disconnected ink phenomenon of ink-jet occurs, and then can carry High print quality.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of a kind of ink jet printing head.

Fig. 2 is the schematic perspective view of ink-feeding device of the present utility model.

Fig. 3 is the schematic perspective view of the buffer layer in Fig. 2.

Fig. 4 is the schematic perspective view of the ink-feeding device without buffer layer in Fig. 2.

Fig. 5 is the generalized section of the ink-feeding device of Fig. 2.

Fig. 6 is ink-feeding device and the schematic perspective view of ink jet printing head of engagement.

Fig. 7 is ink-feeding device and the generalized section of ink jet printing head of engagement in Fig. 6.

Detailed description of the invention

Below with reference to specific embodiments and the drawings, this utility model is further described.

Fig. 2 show the ink-feeding device 2 of preferred embodiment of the present utility model, ink-feeding device 2 lower surface For the concavo-convex field of conjugate action that can engage with ink jet printing head 1 upper surface, it is divided into six independent engagement side by side District 201, each independent engagement district 201 is respectively provided with a rectangular groove of fillet, is equipped with slow in groove Ironing layer 202.The structure of buffer layer 202 is as it is shown on figure 3, its profile and independent engagement district 201 Groove kissing is combined into fillet rectangle, and is covered with tiny square hole above, and buffer layer 3 can be selected for nothing Spin the thin layer of cloth, sponge, plastic sheet, steel wire or other materials.As shown in Figures 4 and 5, ink supply It is provided with six in device 2 groove and ink-feeding device 2 upper surface in six independent engagement districts 201 to be connected respectively Logical runner 203, runner 203 penetrates ink-feeding device 2 vertically upward and continues up and extend in ink supply dress Put the pipeline connection mouth forming protrusion on the upper surface of 2.

When ink-feeding device 2 engages with ink jet printing head 1 as shown in Figure 6, independently the nibbling of ink-feeding device 2 The corresponding independence closing district 201 and ink jet printing head 1 forms, for ink-covered area 101 is engageable, the independence sealed Ink supply cavity 204, as shown in Figure 7.During printing, the pipeline connection mouth of ink-feeding device 2 upper surface can connect Connect ink delivery hose, by ink delivery hose, the ink of different colours each led into six runners In 203, ink can enter also through ink supply port 102 after runner 203 injects independent ink supply cavity 204 It flow to print surface 102 through ink jet printing head 1 print and dye.

Buffer layer 3 in independent ink supply cavity 204 floatability at the ink water surface or close to the ink water surface, Ink supply port 102 can be covered simultaneously.When quickly moving when about ink jet printing head, buffer layer 3 can Slow down ink side-to-side movement to a certain extent, reduce the shock range of ink, it is to avoid ink turbulization, Prevent bubble from producing；On the other hand, even if ink oscillation on small scale creates a small amount of bubble, buffer layer 3 Also can stop bubble and make bubbles burst, it is to avoid bubble enters from ink supply port 102, it is to avoid occurring that ink-jet is not Smooth and disconnected ink phenomenon, and then print quality can be improved.

Claims (6)

1. the ink-feeding device of an ink jet printing head, it is characterised in that described ink-feeding device lower surface For the concavo-convex field of conjugate action that can engage with ink jet printing head upper surface, if the described concavo-convex field of conjugate action is divided into dry doubling The independent engagement district of row, described independent engagement district is respectively equipped with can be with the independence of ink jet printing head for ink-covered area Engagement forms the groove of the independent ink supply cavity sealed；It is provided with some respectively by described in described ink-feeding device The runner for introducing ink that groove connects with described ink-feeding device upper surface；Lay respectively in described groove There is buffer layer.

2. the ink-feeding device of ink jet printing head as claimed in claim 1, it is characterised in that described Runner penetrates described ink-feeding device vertically upward and continues up the upper surface extending in described ink-feeding device The upper pipeline connection mouth for connecting ink delivery hose forming protrusion.

3. the ink-feeding device of ink jet printing head as claimed in claim 1, it is characterised in that described Groove is the rectangular groove of fillet, and the profile of described buffer layer is the fillet matched with described groove Rectangle.

4. the ink-feeding device of ink jet printing head as claimed in claim 3, it is characterised in that described Buffer layer is covered with said minuscule hole.

5. the ink-feeding device of ink jet printing head as claimed in claim 3, it is characterised in that described Buffer layer is reticulate body.

6. the ink-feeding device of the ink jet printing head as described in any one of Claims 1 to 5, its feature exists In, described buffer layer is non-woven fabrics or sponge.