CN101031428A

CN101031428A - Apparatus for regulating viscosity of ink

Info

Publication number: CN101031428A
Application number: CNA2005800332735A
Authority: CN
Inventors: 罗钟甲
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-30
Filing date: 2005-09-30
Publication date: 2007-09-05
Anticipated expiration: 2025-09-30
Also published as: CN100586726C; KR20060049646A

Abstract

Disclosed is an apparatus for regulating viscosity of ink, which is installed on a flow path of ink in a printing device for regulation of ink viscosity. The apparatus includes a housing installed on the flow path and having an introduction hole and a discharge hole through which ink is introduced and discharged; a rotary shaft installed in the housing and to which at least one rotating fan is coupled to rotate along with flow of the ink; a sensed member having a sensed body at one end thereof and coupled to the rotary shaft to rotate together with the rotary shaft; and a sensor for sensing the sensed body.

Description

Apparatus for regulating viscosity of ink

Technical field

The present invention relates to a kind of apparatus for regulating viscosity of ink, relate in particular to the device that uses in a kind of printing equipment, in preset range, regulate ink viscosity.

Background technology

For printing the printing equipment of big quantity of material, ink viscosity is extremely important.Because ink itself contains volatile solution, therefore As time goes on, it is more and more higher that its concentration can become.If aforesaid variation takes place ink viscosity, just can not expect to improve the quality of ink, and the fluid course in the printing equipment may cause equipment fault owing to ink blocks.Therefore, most of printing equipments all need a kind of ink viscosity to be remained on device in the preset range aptly.

A kind of traditional measuring method that depends on very much manual ink viscosity as shown in Figure 1.That is, after ink is full of the container 1 in hole 2 that the bottom has a certain size, measure the time of ink by hole 2 whole flow containers 1, thus the viscosity of calculating ink.Yet this method needs the plenty of time to measure, and because measurement should last till last melted ink of drippage, thereby be difficult to guarantee accurate measurement.Especially, owing to the viscosity of workman and discontinuous measurement and adjusting ink, therefore can not keep the viscosity of ink consistently.

In addition, the someone proposes a kind of method by the mechanical measurement device of installation on ink flow path and measures ink viscosity.Yet in this case, because ink has relatively large viscosity, the flow path of ink that therefore measurement device is installed often gets clogged, and this method does not allow the workman to take and clean measurement device at an easy rate apart.Therefore, often need with the old equipment of new equipment replacement, economical inadequately.

Summary of the invention

Technical problem

The present invention is used to solve the aforementioned problems in the prior, and therefore, the purpose of this invention is to provide a kind of device of regulating ink viscosity, and it is installed on the flow path of ink, with energy measurement at any time with regulate ink viscosity.

Another object of the present invention provides a kind of device of regulating ink viscosity, and this device can accurately be measured the viscosity of ink, and allows the user when flow path blocks owing to ink, at an easy rate it is taken and removes apart ink.

Technical scheme

To achieve these goals, the invention provides a kind of apparatus for regulating viscosity of ink, it is installed on the flow path in the printing equipment, to regulate ink viscosity.Described device comprises: be installed in the shell on the described flow path, described shell has entrance hole and the tap that ink supply water imports and discharges; Be installed in the rotating shaft in the described shell, being coupled with at least one on the described rotating shaft can be with the rotary fan that flows and rotate of ink; One end has the sensing element of inductor, and described sensing element is coupling on the described rotating shaft with therewith rotation; And the sensor that is used to detect described inductor.

In addition, this apparatus for regulating viscosity of ink comprises also and holds described rotatable rotary axle, and removably is coupling in holder in the described shell that described holder has import that is communicated with the described entrance hole of described shell and the outlet that is communicated with the described tap of described shell.

Preferably, described holder is provided with at least one ink passage member, has been formed uniformly a plurality of flow paths in the described ink passage member, is used for the direct ink linear flow.More preferably, described rotary fan and described ink passage member alternately are provided with.

According to the present invention, also comprise the ink flow rate modifier, be used for also discharging the flow velocity that the viscosity of the ink of holder changes ink subsequently according to importing holder.

Preferably, the ink flow rate modifier comprises: be installed on first discoid body of the described outlet of described holder, be formed with the through hole that a plurality of ink supply water flow through on described first discoid body; And and first discoid body between be separated with second discoid body of ink flow gap, be formed with a plurality of ink taps on described second discoid body, be used to discharge through the ink of ink by the hole.

As a kind of selection, the ink flow rate modifier comprises: first discoid body, and the described outlet of itself and described holder is coupled, and has the opening that ink can flow through; And second discoid body, it has a plurality of micropores, and the ink that flows through described first discoid body is discharged by described a plurality of micropores.

Preferably, described sensing element is exposed to described holder outside.

Also may comprise pressure regualtor for ink according to apparatus for regulating viscosity of ink of the present invention, be used to make the ink pressure that imports in the holder to keep constant.

Preferably, form the space that ink supply water flows through between the neighboring of described holder and the inner rim of described shell, and described pressure regualtor for ink makes ink pressure keep constant by the flow velocity that the control ink flows through described space.

Preferably, described pressure regualtor for ink comprises: tap hole, and the ink that the described space that forms between the neighboring by described shell and the inner rim of described holder imports is flowed out by described tap hole; Flexible member is used for optionally opening and closing described tap hole according to the ink outflow pressure.

Description of drawings

Fig. 1 is the schematic diagram that illustrates prior art ink inside viscosity measurement method;

Fig. 2 is the schematic diagram of employing according to the printing equipment of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 3 is the schematic diagram according to the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 4 is the upward view according to the shaft stool of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 5 is the schematic perspective view according to the ink passage member of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 6 is the part schematic perspective view according to the inflow unit of the holder of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 7 is the floor map according to the rotary fan of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Fig. 8 and 9 is the part sectional block diagrams when observing from the upper and lower respectively according to first discoid body of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Figure 10 is the part sectional block diagram when observing from the bottom according to second discoid body of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Figure 11 is the part sectional block diagram according to the pressure regualtor for ink of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention;

Figure 12 is the cross-sectional schematic of the apparatus for regulating viscosity of ink of another kind of preferred embodiment according to the present invention;

Figure 13 is the upward view of first discoid body that adopts of the apparatus for regulating viscosity of ink of the another kind of preferred embodiment according to the present invention; And

Figure 14 is the partial cross-sectional perspective view of second discoid body that adopts of the apparatus for regulating viscosity of ink of the another kind of preferred embodiment according to the present invention.

The specific embodiment

Fig. 2 is the schematic diagram of employing according to the printing equipment of the apparatus for regulating viscosity of ink of the preferred embodiment of the invention.

Be stored in ink in the holding vessel 10 under the driving force effect of driving pump 11, be transported to printing containers 13 by service duct 12.

Print roller 14 and the pressure roller 15 that contacts with print roller 14 and rotate are installed on the printing containers 13.

Yin Shua fabric 100 does not pass print roller 14 and pressure roller 15, at this moment dye the ink of print roller 14 in being contained in printing containers 13 wet, thereby carry out printing work.Ink in the printing containers 13 is got back to holding vessel 10 by recovery approach 16, thereby guarantees circulation.Label 17 expressions are used to stir the agitator of the ink in the holding vessel 10.

Apparatus for regulating viscosity of ink 200 according to the preferred embodiment of the invention is installed on the flow path of ink.Preferably, the entrance hole 201 of apparatus for regulating viscosity of ink 200 is connected with introduction channel 19, and introduction channel 19 is communicated with feed path 12, so ink imports by entrance hole 201, tap 202 is connected with discharge-channel 20 in holding vessel 10, so ink is discharged by tap 202.

In addition, be equipped with on the introduction channel 19 and import pump 18, thereby suck ink, then ink is offered apparatus for regulating viscosity of ink 200.

Apparatus for regulating viscosity of ink 200 is measured the viscosity of ink, if viscosity value of being above standard of ink is then imported solvent in addition.That is, by opening solvent supply valve 21, input to the flow path of ink with being contained in solvents 23 in the container 22.

Fig. 3 is the cross-sectional schematic according to the apparatus for regulating viscosity of ink of the preferred embodiment of the invention.

Referring to Fig. 3, apparatus for regulating viscosity of ink of the present invention comprises shell 210, is formed with entrance hole 201 and tap 202 in the shell 210, and entrance hole 201 is connected with introduction channel 19, and tap 202 is connected with discharge-channel 20.

Therefore shell 210 is cylindric, and the ink that imports can flow, and preferably, an end relative with entrance hole 201 of shell 210 is open, thereby can mount and dismount inner member.Particularly, lid 220 can be coupling in this open end separably.Preferably, an end of lid 220 is by hinge 221 and shell 210 couplings, and the other end has locking 222, optionally to be fixed to shell 210.

Preferably, shell 210 is made up of small diameter portion 211 and major diameter part 212, and small diameter portion 211 is for having relatively cylindrical than minor diameter, and major diameter part 212 is for extending from small diameter portion 211 and having the cylindrical of relatively large diameter.

Being used to hold the holder 230 of the rotating shaft 240 that rotate together with ink stream (its type of flow will be described below) and the small diameter portion 211 of shell 210 couples.Holder 230 comprises the cylindrical part 231 in the small diameter portion 211 that is contained in shell 210, and the extension 232 that 210 major diameter part 212 extends radially outwardly from cylindrical part 231 towards shell.At this, cylindrical part 231 is installed to be and makes the inner rim of small diameter portion 211 of its neighboring and shell separate predetermined space, thereby forms the space that ink can flow through between shell 210 and small diameter portion 211.As described below, this space is as regulating the passage that ink imports pressure.

The shaft stool 233 of supporting rotating shaft 240 is installed on the cylindrical part 231 of holder 230.Referring to Fig. 4, be formed with central through hole 233a on the shaft stool 233, so that rotating shaft 240 therefrom passes; Also be formed with the opening 233b that ink supply water flows through on the shaft stool 233.More preferably, the inner rim of the central through hole 233a of shaft stool 233 is processed to sharp-pointed shape, so that the contact area minimum of itself and rotating shaft 240, and like this when rotating shaft rotates, the frictional resistance minimum.

In addition, as shown in Figure 5, the Zone Full of the cylindrical part 231 of holder 230 top is equipped with a plurality of ink passage member 235, and ink passage member 235 is penetrated with a plurality of measure-alike and flow path 235a of being parallel to each other.Ink passage member 235 works to provide passage, so that the ink of inflow holder 230 becomes linearity, promptly has laminar flow.Ink passage member 235 is provided with at regular intervals, preferably, be arranged alternately and a plurality of rotary fans of rotating shaft 240 coupling between.In Fig. 5, label 235b represents the central through hole that confession rotating shaft 240 passes.

As shown in Figure 6, the import department from holder 230 is extended with a plurality of extension supports 236, axle Support bracket 237 and vertical connection of an end of extending support 236 in the longitudinal direction.Axle Support bracket 237 supports the end that is contained in the rotating shaft 240 in the holder 230 with the way of contact.

Preferably, extending between the support 236, also be provided with guiding trestle 238, guiding trestle 238 has the central through hole 238a that passes for rotating shaft 240, and supporting rotating shaft 240.More preferably, the inner rim of the central through hole 238a of guiding trestle 238 is processed to sharp-pointed shape, so that the contact area minimum of itself and rotating shaft 240, thereby when rotating shaft rotates, have minimum frictional resistance.

Though the detailed structure that is used to guide with supporting rotating shaft has been shown in the present embodiment, should be appreciated that the present invention is not limited to said structure, the various structures of existing supporting rotating shaft all can adopt.

According to the present invention, accommodate whirligig in the holder 230, this whirligig comprises rotating shaft 240, is coupled with at least one rotary fan 250 on the rotating shaft 240.

Rotating shaft 240 passes the central through hole 235b of the ink passage member 235 of the central through hole 233a of shaft stool 233 and holder 230, is rotatably mounted.One end 241 of rotating shaft 240 can be supported on the above-mentioned axle Support bracket 237 contiguously, and the other end can be supported in the ink flow rate modifier with extension 232 couplings of holder 230 contiguously.Preferably, rotating shaft 240 all is processed to tip shape with axle Support bracket 237 and the contacted two ends of ink flow rate modifier, with the resistance of reducing friction.

As shown in Figure 7, be coupled with at least one rotary fan 250 on the rotating shaft 240.Referring to Fig. 7, rotary fan 250 comprises a plurality of flabellums 251 and the wheel rim 252 that is connected flabellum 251 ends that radially extend.Ink is formed with opening 250a between the flabellum 251, so that can therefrom flow through.The size of fan and quantity can design suitably according to ink viscosity and measurement category.

According to the present invention, rotary fan 250 is preferably mounted between the ink passage member 235 in the holder 230.That is, rotary fan 250 and ink passage member 235 alternately are provided with.Like this,, when it flows through ensuing ink passage member 235, become the laminar flow of unanimity, so ink has stable flow velocity, thereby can measure its viscosity though the ink stream by rotary fan 250 is twisted or becomes disorderly.

In addition, as shown in Figure 6, be coupled with sensing element 260 on the rotating shaft 240 with rotating shaft 240 rotations.Sensing element 260 comprises branches 261 a plurality of and rotating shaft 240 couplings, is coupled with inductor 262 in each branch 261, to measure the speed of rotating shaft.Inductor 262 can be magnet or iron, preferably magnet.As a kind of selection, sensing element 260 can utilize the plastic magnet with magnetic integrally formed.

Preferably, sensing element 260 is designed to when rotated, has minimal friction forces between itself and the ink.Should be appreciated that the shape of branch, structure and quantity can have various variation in order to achieve this end.

In addition, the sensor 270 that is used to detect the inductor 262 that is installed on the sensing element 260 is installed on the outside of shell 210.According to a preferred embodiment of the invention, when sensing element 260 rotations, sensor 270 detects inductor 262, to measure the speed of rotating shaft.If inductor 262 has magnetic, can detect the variation in magnetic field.

According to the present invention, the ink flow rate modifier is installed in the outlet of holder 230, therefore can import and flow out the ink speed of holder 230 according to the viscosity-modifying of ink.Particularly, the ink flow rate modifier comprises first discoid body 290 and second discoid body 300.

Shown in Fig. 8 and 9, first discoid body 290 and the peripheral 230b that holder 230 exports promptly at an end of extension 232, removably are coupled, and are formed with a plurality of inks in it by hole 290a, so that ink can flow through these holes.Preferably, the upper surface of first discoid body 290 is formed with and is formed with a plurality of inks in first cannelure, 291, the first cannelures 291 by hole 290a.

In addition, second discoid body 300 is installed like this, makes it identical with " ink flow gap " with the space between first discoid body 290; Be formed with a plurality of ink tap 300a on second discoid body 300, the ink that therefore flows through first discoid body 290 can be discharged by the ink of hole 290a, as shown in figure 10.Preferably, it is concentric circles with first groove 291 that is formed on first discoid body 290 that the lower surface of second discoid body 300 is formed with second groove, 301, the second grooves 301, but the diameter difference is formed with a plurality of ink tap 300a on second groove 301.First groove 291 and second groove 301 provide a cushion space, and ink of being discharged by ink tap 300a and the ink by ink flow gap are collected and in this stop at cushion space.More preferably, second discoid body 300, also be formed with buffer groove 304 towards the ink of first discoid body 290 lower surface by hole 290a, can stop at this thereby flow through the ink of ink by hole 290a.

According to the present invention, the lower surface that the upper surface of first discoid body 290 is formed with space protrusion 292, the second discoid bodies 300 is formed with the spacing convave trough 302 that space protrusion 292 can be coupled with it.As a kind of selection, space protrusion and spacing convave trough can exchange.In addition, also can on holder 230, be formed with space protrusion 230c, on second discoid body 300, be formed with spacing convave trough 300b accordingly.Space protrusion and spacing convave trough make between first discoid body 290 and second discoid body 300 and maintain the gap, and the coupling position of definite holder 230 and discoid body 290,300, also isolate the flow path of ink that the flow path of ink that is used to measure ink viscosity and control import pressure simultaneously.

When space protrusion 292 and space protrusion 302 were coupled to each other, first discoid body 290 and second discoid body 300 were mutually positioning.At this moment, the distance that separates each other of the lower surface of the upper surface of first discoid body 290 and second discoid body 300 is identical with " ink flow gap " that ink flows through.

Employed term " ink flow gap " is corresponding with the gap between first discoid body 290 and second discoid body 300 in this specification and the appended claim, its role is to its flow velocity of viscosity-modifying according to ink.That is, if flow through the ink viscosity height of fixing ink flow gap, then flow velocity can be relatively slow, otherwise if ink viscosity is low, flow velocity can be very fast relatively.This ink flow gap and revocable particular value, but can correspondingly be provided with according to the kind of ink and the printing capability of viscosity or printing equipment.Therefore, though ink flow gap is not set at occurrence, those skilled in the art also can understand above-mentioned implication fully, and based on foregoing it are used, and therefore it can not be interpreted as unclear speech.

The ink of introducing holder 230 is flowed out by hole 290a by the ink of first discoid body 290, flow through between first discoid body, 290 upper surfaces and second discoid body, 300 lower surfaces (the two distance that separates is identical with " ink flow gap "), the tap 300a by second discoid body 300 discharges then.

Preferably, first discoid body, 290 middle parts are extended with central shaft 293.The middle part of second discoid body is formed with pillar 303, and pillar 303 has hole 303a, and central shaft 293 inserts and is supported in the 303a of hole.In addition, pillar 303 is by elastic device 310 fexible bias pressures, and therefore first and second discoid bodies 290,300 are pressed towards holder 230.Preferably, elastic device 310 can comprise the press member 311 that shape is corresponding with it, to apply stable elastic force.

According to the present invention, first and second discoid bodies 290,300 and holder 230 removably are coupled, thereby can easily dismantle, so that the inside of cleaning or processing holder 230.

Apparatus for regulating viscosity of ink of the present invention comprises pressure regualtor for ink, and it is used for when the ink pressure in the importing holder 230 is excessive, by ink being shunted the importing pressure that keeps ink.

As shown in Figure 3, pressure regualtor for ink comprises the flexible member 330 that is installed in tap hole 320, optionally opens and closes tap hole 320 to utilize elasticity.The ink that space between the inner rim by shell 210 and the neighboring of holder 230 imports flows out by tap hole 320.

More particularly, referring to Fig. 3,10 and 11, form the passage that ink supply water flows through between the neighboring of the inner rim of shell 210 and holder 230, this passage is communicated with a plurality of tap holes 320, the profile of second discoid body 300 of the outlet coupling of tap hole 320 formation and holder 230.

Be formed with seat 321 in the tap hole 320, after flexible member 330 is positioned on the seat 321, cylindrical coupling element 340 is set itself and seat 321 are coupled.Flexible member 330 is by metal material such as iron or have fabulous flexible elastomeric material and make, and is formed with a plurality of slits 331 of guaranteeing strain on it.

Therefore, if the pressure of the ink that is flowed out by tap hole 320 is lower, then have only the sub-fraction ink to flow out by the slit 331 that forms on the flexible member 330.On the other hand, if the pressure of the ink that is flowed out by tap hole 320 is higher, the flexible member 330 around the slit 331 is the outflow space of bending with further expansion ink, thereby makes more ink flow out.Therefore, can suitably regulate ink pressure by the elastic resistance of flexible member 330.

Though and show second discoid body and have tap hole and flexible member, the present invention is not limited thereto.That is, tap hole and/or flexible member optionally are located on any one of first discoid body, second discoid body and holder neighboring, also can be provided with discretely.

In addition, pressure regualtor for ink is not limited to the present embodiment, and various check-valves also can be used, when the ink pressure that flows out by tap hole during less than standard value, and the closure of check ring tap hole; When the ink pressure overgauge value that flowed out by tap hole, check-valves is opened tap hole.

The operation of the apparatus for regulating viscosity of ink of above-mentioned preferred embodiment according to the present invention is described below.

Printing equipment as shown in figure 12 in the course of the work, apparatus for regulating viscosity of ink 200 of the present invention is measured the viscosity of fluid in real time.More particularly, the ink that imports under the operation that imports pump 18 enters in the shell 210 of apparatus for regulating viscosity of ink 200 by introduction channel 19.

The inks that enter in the shell 210 flow into shown in arrow among Fig. 3 in the holder 230, and simultaneously, the part ink is mobile along the space that forms between the neighboring of the inner rim of shell 210 and holder 230.

At this moment, if the ink pressure that imports surpasses preset range, can regulate ink flow rate by the operation of the above-mentioned flexible member of preparing for tap hole 320 330.

Simultaneously, the ink that enters the cylindrical part 231 of holder 230 arrives rotary fan 250, and therefore, rotary fan 250 rotates on rotating shaft 240.

Flow through the flow path 235a of ink passage member 255 once more by the ink of rotary fan 250 so that the ink linear flow, the ink of discharging by flow path 235a once more with the rotary fan collision, to drive the rotary fan rotation.At this moment, in the ink flow process, bubble can be absorbed by ink passage member 235 or analog, but this absorption to bubble can be eliminated by the rotation of rotary fan 250.

Ink by holder 230 flows through the ink of first discoid body 290 by hole 290a, to fill first groove 291 and/or buffer groove 304.Then, ink flows through between first discoid body and 290 second discoid bodies 300 (the two distance that separates is identical with ink flow gap), arrives second groove 301 that is formed at second discoid body, 300 lower surfaces then.Afterwards, ink flows out by being formed in second groove 301 tap 300a, is discharged by discharge-channel 20 again.

In said process, rotating shaft 240 is owing to flowing of ink rotated, and at this moment, the sensing element 260 that is coupled on the rotating shaft 240 also rotates with the speed identical with rotary fan.Then, sensor 270 detects the inductor 262 that is installed on the sensing element 260, thereby measures speed.After measuring speed, can calculate ink viscosity according to the formula of hydraulic engineering.For example, if the viscosity of ink increases, the ink flow rate of the ink flow gap between first discoid body 290 and second discoid body 300 of then flowing through descends, and correspondingly the rotational frequency of rotating shaft reduces.This computational methods are being known in the art, and repeat no more herein.

If the viscosity of the ink of measuring surpasses preset range, this signal will be transmitted to the controller (not shown), and controller opens solvent supply valve 21 so that the solvent 23 that is loaded in the container 22 enters flow path of ink, thereby makes viscosity keep suitable then.

As mentioned above, apparatus for regulating viscosity of ink of the present invention can be measured and correct viscosity of ink in real time.

Apparatus for regulating viscosity of ink of the present invention even cleaning and maintenance also can bring remarkable effect.That is, owing to the adhesion of ink in the adjusting device needs cleaning or when cleaning, needs only uncap 220, this equipment just can be opened easily.Afterwards, from shell, take out first and second discoid bodies 290,300, then can whole taking-up holder 230, make cleanings, maintenance and replacing parts all very convenient like this.In addition, owing to outside sensing element 260 is exposed to, therefore can use solvent clean at an easy rate.These features of the present invention are cleaned and maintain all helpful to the facility of apparatus for regulating viscosity of ink, this equipment can be used for a long time.

Figure 12 shows the apparatus for regulating viscosity with ink flow rate modifier of the another kind of preferred embodiment according to the present invention.At this, represent components identical with number designation identical in the earlier figures.

In this embodiment, first discoid body 290 ' comprise the wheel rim 290c ' of a plurality of spoke 290b ' and the end that is connected each spoke 290b ' forms the opening 290a ' that ink supply water passes through between each spoke 290b '.

With first discoid body 290 ' a plurality of micropore 300a ' that discharge for the ink in the holders 230 of second discoid body 300 ' have of upper surface coupling.In addition, with identical in the previous embodiment, second discoid body 300 ' also have pressure-regulating device.

In this embodiment, the ink flow rate modifier be formed at second discoid body 300 ' on micropore 300a '.That is to say that if the ink viscosity that flows is bigger, the ink flow rate that flows through micropore 300a ' will descend.Micropore 300a ' can suitably be provided with according to the kind of use ink and the printing capability of viscosity and printing equipment.

In this embodiment, except the ink flow rate repacking was put, other operations were all identical with previous embodiments, do not repeat them here.

Industrial applicability

According to ink flow rate adjusting device of the present invention, the viscosity of the ink that can in printing process, circulate in the continuous measurement flow path of ink in real time.In addition, because ink viscosity is correspondingly calibrated immediately, therefore improved printing quality, and prolonged the service life of printing equipment.

In addition, apparatus for regulating viscosity of ink of the present invention is designed to can guarantee easily to assemble and dismantle, and allows to clean easily and maintain, and makes this equipment to use for a long time.

More than the present invention is described in detail.Yet, should be appreciated that detailed description and object lesson only provide by by way of example, are used to indicate the preferred embodiments of the invention, to those skilled in the art, it is conspicuous drawing the various distortion and the conversion that are included in the scope of the invention and the spirit from these are described in detail.

Claims

1, a kind of apparatus for regulating viscosity of ink, it is installed on the flow path of ink of printing equipment, is used to regulate ink viscosity, and this device comprises:

Be installed in the shell on the described flow path, described shell has entrance hole and the tap that ink supply water imports and discharges;

Be installed in the rotating shaft in the described shell, being coupled with at least one on the described rotating shaft can be with the rotary fan that flows and rotate of ink;

One end has the sensing element of inductor, and described sensing element is coupling on the described rotating shaft with therewith rotation; And

Be used to detect the sensor of described inductor.

2, apparatus for regulating viscosity of ink according to claim 1, comprise also and hold described rotatable rotary axle, and removably be coupling in holder in the described shell that described holder has import that is communicated with the described entrance hole of described shell and the outlet that is communicated with the described tap of described shell.

3, apparatus for regulating viscosity of ink according to claim 2, wherein, described holder is provided with at least one ink passage member, has been formed uniformly a plurality of flow paths in the described ink passage member, is used for the direct ink linear flow.

4, apparatus for regulating viscosity of ink according to claim 3, wherein, described rotary fan and described ink passage member alternately are provided with.

5, apparatus for regulating viscosity of ink according to claim 2 also comprises the ink flow rate modifier, is used for also discharging the flow velocity that the viscosity of the ink of holder changes ink subsequently according to importing holder.

6, apparatus for regulating viscosity of ink according to claim 5, wherein, described ink flow rate modifier comprises: be installed on first discoid body of the described outlet of described holder, be formed with the through hole that a plurality of ink supply water flow through on described first discoid body; And and first discoid body between be separated with second discoid body of ink flow gap, be formed with a plurality of ink taps on described second discoid body, be used to discharge through the ink of ink by the hole.

7, apparatus for regulating viscosity of ink according to claim 6, wherein said a plurality of inks through hole are formed in first groove of annular shape of described first discoid body, and

Wherein said a plurality of ink tap is formed in second groove of described second discoid body, and described second groove is and the different concentric circles of described first groove diameter.

8, apparatus for regulating viscosity of ink according to claim 6, be formed with space protrusion on one in wherein said first discoid body and second discoid body, be formed with spacing convave trough in described first discoid body and second discoid body another, thereby be coupled with described space protrusion

Thus, by the coupling between described space protrusion and described spacing convave trough, between described first discoid body and described second discoid body, form ink flow gap.

9, apparatus for regulating viscosity of ink according to claim 6, wherein said sensing element are exposed to described holder outside.

10, apparatus for regulating viscosity of ink according to claim 5, wherein said ink flow rate modifier comprises:

First discoid body, the described outlet of itself and described holder is coupled, and has the opening that ink can flow through; And

Second discoid body, it has a plurality of micropores, and the ink that flows through described first discoid body is discharged by described a plurality of micropores.

11, apparatus for regulating viscosity of ink according to claim 10, wherein, be formed with space protrusion on one in described first discoid body and second discoid body, be formed with spacing convave trough on another in described first discoid body and second discoid body, thereby be coupled with described interval is protruding

Thus, by the coupling between described space protrusion and described spacing convave trough, between described first discoid body and described second discoid body, form the gap.

12, apparatus for regulating viscosity of ink according to claim 10, wherein said sensing element is exposed to the outside of described holder.

13, apparatus for regulating viscosity of ink according to claim 2 also comprises pressure regualtor for ink, is used to make the ink pressure that imports in the holder to keep constant.

14, apparatus for regulating viscosity of ink according to claim 13 forms the space that ink supply water flows through between the neighboring of wherein said holder and the inner rim of described shell, and

Wherein said pressure regualtor for ink makes ink pressure keep constant by the flow velocity that the control ink flows through described space.

15, apparatus for regulating viscosity of ink according to claim 14, wherein said pressure regualtor for ink comprises:

Tap hole, the ink that the described space that forms between the neighboring by described shell and the inner rim of described holder imports is flowed out by described tap hole;

Flexible member is used for optionally opening and closing described tap hole according to the ink outflow pressure.

16, apparatus for regulating viscosity of ink according to claim 2 also comprises:

A plurality of extension supports that extend along its length from the import of described holder; And

Vertically extend shaft tray with the end that connects described extension support from described extension support, described shaft tray contacts with the end of described rotating shaft, to support described rotating shaft.

17, apparatus for regulating viscosity of ink according to claim 2, wherein said shell comprises: have relative small diameter portion than minor diameter, this part is formed with described entrance hole; And

Have the major diameter part of relatively large diameter, this part is formed with described tap; And

Wherein said holder comprises cylindrical part in the described small diameter portion that is contained in described shell and the extension that partly extends towards described major diameter from described cylindrical part in radial direction.

18, apparatus for regulating viscosity of ink according to claim 2, wherein said shell has the open end, and

Wherein, described device also comprise be removably installed on the described shell, to cover the lid of described open end.

19, apparatus for regulating viscosity of ink according to claim 1, wherein inductor is magnet or iron.

20, apparatus for regulating viscosity of ink according to claim 1 also comprises:

The container of solvent is housed; And

The solvent supply valve, when by the ink viscosity overgauge value of described sensor measurement, described solvent supply valve is operated, and gives described flow path of ink with the solvent supply that will be contained in the described container.