CN101480877A - Ink-jet apparatus - Google Patents
Ink-jet apparatus Download PDFInfo
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- CN101480877A CN101480877A CNA2008100002054A CN200810000205A CN101480877A CN 101480877 A CN101480877 A CN 101480877A CN A2008100002054 A CNA2008100002054 A CN A2008100002054A CN 200810000205 A CN200810000205 A CN 200810000205A CN 101480877 A CN101480877 A CN 101480877A
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- ink
- discharge device
- feeding tube
- constriction
- position limiting
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Abstract
The invention discloses an ink-jet printing device which comprises a bearing body, an ink supply groove, a plurality of inking pipes, a seat body and a pivot device, wherein the bearing body is used for bearing a print head device, and can move in the ink-jet printing device in a reciprocating way. The ink supply groove is used for providing inks needed by the print head device. Both ends of each inking pipe are respectively connected with the ink supply groove and the print head device. The pivot device is provided with a restriction part, and can be arranged on the seat body in a rotatable mode. A part of the section between the both ends of each inking pipe is fixed at the restriction part. According to the ink-jet printing device, each inking pipe can maintain enough bend curvature radius to avoid the condition that flow resistance is too large, the process of reciprocating motion of the bearing body is more smooth, and the printing quality is more stable.
Description
Technical field
The present invention relates to a kind of ink discharge device, particularly relate to a kind of ink discharge device that comprises the project planning that is used for fixing ink-feeding tube.
Background technology
With reference to Figure 1A and Figure 1B, its be known head moisture from the schematic diagram of printer (HP 8250).As shown in the figure, printer comprises supporting body (carrier) 11, head device 12, ink feed slot 14 and flexible pipe 15 at least.
Wherein, supporting body 11 is used to carry head device 12, and can move back and forth along slideway 13 in printer, makes head device 12 can print work.Ink feed slot 14 is used to provide head device 12 required ink.Flexible pipe 15 has replaced four common ink-feeding tubes 152, just utilize flexible pipe 15 four ink-feeding tubes 152 to be combined (with reference to the enlarged diagram of a-a ' section among Figure 1A), and the two ends of flexible pipe 15 are connected to ink feed slot 14 and head device 12 respectively, the ink in the ink feed slot 14 can be directed to head device 12 thus.
In addition, printer also comprises first stiff end 16, second stiff end 17 and swinging mounting 18.Wherein, first stiff end 16 is arranged at the position of contiguous supporting body 11, is used for fixing the flexible pipe 15 of contiguous supporting body 11.Second stiff end 17 is arranged at a side of ink feed slot 14, is used for fixing the flexible pipe 15 of contiguous ink feed slot 14.The two ends of swinging mounting 18 are connected to ink feed slot 14 and flexible pipe 15.When supporting body 11 moves back and forth (can with reference to Figure 1A and Figure 1B), flexible pipe 15 can be swung and bend along with the shift position of supporting body 11, and this moment, swinging mounting 18 can be swung along with flexible pipe 15.By the setting of swinging mounting 18, can prevent flexible pipe 15 toward the subtends bending, and cause flexible pipe 15 excessive distortion and the situation damaged.
Yet there is following point in this printer (HP8250):
One, second stiff end and swinging mounting 18 are all independently element, fail to effectively integrate, and make and the increase of assembly cost and cause.
Two, the manufacturing cost of flexible pipe 15 is higher.
Three, (maintenance when supporting body 11 moves to limit on the right-right-hand limit, safeguard that (maintenance) locates), because the constraint of first and second stiff ends 16,17, the radius of curvature (R) of flexible pipe 15 bendings can become very little, and cause the increase of flow resistance when leading China ink, therefore printer needs another independent motors to drive to lead black function, rather than with ASF (Auto-sheet feeder) or have paper feed concurrently or drive supporting body 11 and wait the motor of other function to drive.
Four, in the process that flexible pipe 15 is swung along with the shift position of supporting body 11, because the constraint of first and second stiff ends 16,17, flexible pipe 15 can have the amplitude of fluctuation scope and bend radius of curvature (R) greatly.When the change of the bending radius of curvature (R) of flexible pipe 15 was big more, the strength of flexible pipe 15 supporting body that puts on 11 was more fixing, so supporting body 11 has the phenomenon of unbalance stress in moving process, and stability and print quality that influence is moved.
Five, in the process that flexible pipe 15 is swung along with moving to right of supporting body 11, flexible pipe 15 can constantly be patted ink feed slot 14, will cause the flexible pipe reduction in 15 service lifes thus.
So, how to improve or avoid the problems referred to above, real be the problem of the necessary solution of prior art institute.
Summary of the invention
One object of the present invention is that in the process that supporting body moves back and forth, the radius of curvature of ink-feeding tube when bending can be maintained within a certain range.
Another object of the present invention is to, move back and forth with ink-feeding tube at supporting body and lead in the process of China ink, can both keep the quite low black flow resistance of leading.
The process that another object of the present invention is to supporting body is moved back and forth is more stablized smooth and easy.
Another object of the present invention is to, each ink-feeding tube is fixed in the space of certain limit, make its unlikely at random being entangled with.
The invention provides a kind of ink discharge device, comprise supporting body, ink feed slot, many ink-feeding tubes, pedestal and project plannings.Wherein, supporting body is used to carry head device, can move back and forth in ink discharge device.The ink that provides head device required is provided ink feed slot.The two ends of every ink-feeding tube connect ink feed slot and head device respectively.Project planning has constriction, and is arranged at pedestal in rotating mode, and the part section between above-mentioned ink-feeding tube two ends is fixed in constriction.
According to ink discharge device of the present invention, wherein, an end of each bar ink-feeding tube is connected to ink feed slot, and the other end is connected to supporting body and moves back and forth in ink discharge device with supporting body.The project planning that is characterized as of the present invention is arranged on the pedestal, and can rotate with respect to pedestal.Project planning has constriction, and wherein, the part section between each bar ink-feeding tube two ends is fixed in constriction.
According to ink discharge device of the present invention, wherein, this constriction has through hole, and the part section of this ink-feeding tube is by this through hole.
According to ink discharge device of the present invention, wherein, the part section of this ink-feeding tube is horizontally arranged in this through hole.
According to ink discharge device of the present invention, wherein, the part section of this ink-feeding tube is vertically arranged in this through hole.
According to ink discharge device of the present invention, wherein, this constriction has a plurality of transversely arranged through holes, and the part section of each this ink-feeding tube of bar is by this through hole.
According to ink discharge device of the present invention, wherein, this constriction has the through hole of a plurality of vertical arrangements, and the part section of each this ink-feeding tube of bar is by this through hole.
According to ink discharge device of the present invention, wherein, this constriction also has first position limiting structure, is positioned at the first side of contiguous this through hole.
According to ink discharge device of the present invention, wherein, this constriction also has second position limiting structure, be positioned at the second side of contiguous this through hole, and this second side is positioned at the opposite of this first side.
According to ink discharge device of the present invention, wherein, joint between the joint between this first position limiting structure and this constriction, this second position limiting structure and this constriction, and the corner of contiguous this ink-feeding tube is the arc surface structure in this first position limiting structure and this second position limiting structure.
According to ink discharge device of the present invention, wherein, this supporting body axially moves back and forth along first, this first axial axis is 0 degree, the bearing of trend of this first position limiting structure and this first axial angle is essentially positive 45 degree, and the bearing of trend of this second position limiting structure is essentially negative 45 with this first axial angle and spends.
According to ink discharge device of the present invention, wherein, this supporting body axially moves back and forth along first, and this project planning is first axially vertical second axially be that the axle center rotates with this.
According to ink discharge device of the present invention, wherein, when this first axial axis is 0 when spending, the anglec of rotation of this project planning is about positive 45 degree between negative 45 degree.
About the advantages and spirit of the present invention, and more detailed embodiment can be further understood by following embodiment and accompanying drawing.
Description of drawings
By following detailed description in conjunction with the accompanying drawings, can understand the plurality of advantages of foregoing and this invention easily, wherein:
Figure 1A to Figure 1B is the schematic diagram of known printer;
Fig. 2 A to Fig. 2 E is the motion schematic diagram of ink discharge device of the present invention; And
Fig. 3 A to Fig. 3 E is the different embodiment of project planning of the present invention.
The specific embodiment
With reference to Fig. 2 A to Fig. 2 E, it is the motion schematic diagram of the ink discharge device of one embodiment of the invention.As shown in the figure, ink discharge device comprises supporting body 21, ink feed slot 24, many ink-feeding tubes 25, pedestal 30 and project plannings 29.Wherein, ink discharge device of the present invention can be similar devices such as multifunctional paper feeding machine with said modules, printer.
Supporting body 21 is used to carry head device 22, and moves back and forth along slideway 23 in ink discharge device, makes head device 22 can print work.Ink feed slot 24 is used to provide head device 22 required ink.The two ends of every ink-feeding tube 25 are connected to ink feed slot 24 and head device 22 respectively, with as the pipeline that the inks in the ink feed slot 24 is transferred to head device 22.Project planning 29 has constriction 291, and is arranged at pedestal 30 in rotating mode, and the part section between above-mentioned ink-feeding tube 25 two ends is fixed in constriction 291.
Therefore, by the relation that is provided with of above-mentioned each assembly, in the process that supporting body 21 moves back and forth along slideway 23, ink-feeding tube 25 can be followed moving of supporting body 21 and swing, and drives project planning 29 rotations.That is to say, in the swing process of ink-feeding tube 25, the part section of ink-feeding tube 25 will apply the constriction 291 that strength is given project planning 29, rotate along with the swing of ink-feeding tube 25 to order about project planning 29, and ink-feeding tube 25 just can be kept the bending radius of curvature of certain (bigger).
As shown in the figure, supporting body 21 moves back and forth along first axial (slideway 23 is provided with direction), and project planning 29 is axially be that the axle center rotates with first axially vertical second.In a preferred embodiment, when the first axial axis is 0 when spending, the anglec of rotation of project planning 29 be about positive 45 degree between negative 45 degree (shown in Fig. 2 A+θ and-θ).
In addition, with reference to Fig. 3 A, it is an embodiment of project planning 29 of the present invention, and project planning 29 has the root 295 that is connected with constriction 291, and this root 295 is arranged at pedestal 30 in rotating mode.It should be noted that pedestal 30 is the structures that are fixed on ink discharge device inside, can be arranged on according to the configuration in space ink discharge device inside above or below.As shown in Figure 3A, when pedestal 30 was arranged on the below of ink discharge device inside, the root 295 of project planning 29 was positioned at constriction 291 belows; When pedestal 30 was arranged on the top of ink discharge device inside, then project planning 29 presented the setting of turning upside down.
With reference to Fig. 3 A to Fig. 3 E, it is the different embodiment of project planning 29 of the present invention.The project planning 29 of each embodiment all has constriction 291 and root 295, and root 295 is arranged at pedestal 30 in rotating mode.The architectural feature of various embodiment is described below.
Fig. 3 A is first kind of embodiment of project planning 29, and its constriction 291 has through hole 292, and the lateral separation of this through hole 292 is bigger than fore-and-aft distance, and therefore the part section of above-mentioned ink-feeding tube 25 passes through this through hole 292 in the mode of level of approximation arrangement.
Fig. 3 B is second kind of embodiment of project planning 29, and its constriction 291 has through hole 292, and the fore-and-aft distance of this through hole 292 is bigger than lateral separation, and therefore the part section of above-mentioned ink-feeding tube 25 passes through this through hole 292 in the mode of near normal arrangement.
Fig. 3 C is the third embodiment of project planning 29, and its constriction 291 has a plurality of transversely arranged through holes 292, and the part section of each above-mentioned bar ink-feeding tube 25 is by each through hole 292.
Fig. 3 D is the 4th kind of embodiment of project planning 29, and its constriction 291 has the through hole 292 of a plurality of vertical arrangements, and the part section of each above-mentioned bar ink-feeding tube 25 is by each through hole 292.
The constriction 291 of the project planning 29 of the foregoing description has one first position limiting structure 293 at least, and first position limiting structure 293 is positioned at the first side of adjacent through-holes 292.
With reference to Fig. 2 A, Fig. 2 B to Fig. 2 C, it is supporting body 21 is moved to limit on the left (Fig. 2 C) by print zone central authorities (Fig. 2 A) a process successively.In the process that supporting body 21 is moved to the left, ink-feeding tube 25 is subjected to the drive of supporting body 21 and swings, and then orders about project planning 29 and rotate counterclockwise.Wherein, the rotation of project planning 29 except constriction 291 is subjected to the driving of ink-feeding tube 25, is replaced and the application of force to the first position limiting structure 293 in the time of also might being ink-feeding tube 25 swings, rotates and further order about project planning 29.
Therefore, supporting body 21 be moved to the left and ink-feeding tube 25 by in the processes that drive, ink-feeding tube 25 orders about project planning 29 simultaneously and rotates counterclockwise, ink-feeding tube 25 just can be kept enough big bending radius of curvature.
In addition, with reference to Fig. 2 C, when supporting body 21 moved to limit on the left, the ink-feeding tube 25 at contiguous project planning 29 places was subjected to supporting body 21 and drives and replace to first position limiting structure 293, and can't further bend again.At this moment, first position limiting structure 293 can be used to prevent that the bending radius of curvature of ink-feeding tube 25 is too small, and causes the excessive problem of flow resistance.That is to say that first position limiting structure 293 can be used to control ink-feeding tube 25 so that it can keep enough bending radius of curvature, and avoids the excessive situation of flow resistance.
In a preferred embodiment, the constriction 291 of project planning 29 also has second position limiting structure 294, and second position limiting structure 294 is positioned at the second side of adjacent through-holes 292, and the second side is positioned at the opposite of first side.
With reference to Fig. 2 A, Fig. 2 D to Fig. 2 E, it is supporting body 21 is moved to limit on the right-right-hand limit (Fig. 2 E) by print zone central authorities (Fig. 2 A) a process successively.In the process that supporting body 21 moves right, ink-feeding tube 25 is subjected to the drive of supporting body 21 and swings, and then orders about project planning 29 and clockwise rotate.Wherein, the rotation of project planning 29 except constriction 291 is subjected to the driving of ink-feeding tube 25, is replaced and the application of force to the second position limiting structure 294 in the time of also might being ink-feeding tube 25 swings, rotates and further order about project planning 29.
Therefore, supporting body 21 move right and ink-feeding tube 25 by in the processes that drive, ink-feeding tube 25 orders about project planning 29 simultaneously and clockwise rotates, ink-feeding tube 25 just can be kept enough big bending radius of curvature.
In addition, with reference to Fig. 2 E, when supporting body 21 moved to limit on the right-right-hand limit, the ink-feeding tube 25 at contiguous project planning 29 places was subjected to supporting body 21 and drives and replace to second position limiting structure 294, and can't further bend again.At this moment, second position limiting structure 294 can be used to prevent that the bending radius of curvature of ink-feeding tube 25 is too small, and causes the excessive problem of flow resistance.That is to say that second position limiting structure 294 can be used to control ink-feeding tube 25 so that it can keep enough bending radius of curvature, and avoids the excessive situation of flow resistance.
In a preferred embodiment, version about project planning 29, if supporting body 21 axially moves back and forth along first, and the first axial axis is set at 0 when spending, and the bearing of trend of first position limiting structure 293 and the first axial angle are essentially positive 45 degree; The bearing of trend of second position limiting structure 294 and the first axial angle are essentially negative 45 degree.
In addition, in each embodiment of above-mentioned project planning 29, the joint that the joint that first position limiting structure 293 and constriction are 291, second position limiting structure 294 and constriction are 291, and the corner of contiguous ink-feeding tube 25 all is to impel ink-feeding tube 25 to produce the version of bending easily in first position limiting structure 293 and second position limiting structure 294.
Therefore, with reference to Fig. 3 E, it is the top view of the project planning 29 of preferred embodiment.In above-mentioned each embodiment, can be with the joint of 291 of the joint of 291 of first position limiting structure 293 and constrictions, second position limiting structure 294 and constrictions, and the corner of contiguous ink-feeding tube 25 all is designed to arc surface structure 296 in first position limiting structure 293 and second position limiting structure 294.Such arc surface 296 can make the bending degree of ink-feeding tube 25 not too large, and ink-feeding tube 25 can be along arc surface 296 bendings, to reduce the flow resistance that causes because of ink-feeding tube 25 bendings.
Therefore, according to above-mentioned technical characterictic, ink discharge device of the present invention has following advantage:
One, the part section of each ink-feeding tube 25 is fixed in the through hole 292 of constriction 291 of above-mentioned project planning 29.Therefore, each ink-feeding tube 25 is fixed in the space of certain limit, and can not be entangled with because of moving back and forth of supporting body 21 is at random.
Two, above-mentioned project planning 29 is arranged on the pedestal 30 in rotating mode, and the anglec of rotation of project planning 29 be about positive 45 degree between negative 45 degree (wherein, supporting body 21 axially moves back and forth along first, project planning 29 is axially be that the axle center rotates with first axially vertical second, and with the first axial axis is 0 degree), so project planning of the present invention 29 has the free degree of a certain amount of anglec of rotation.
Therefore, in the process that supporting body 21 moves back and forth, will order about project planning 29 during ink-feeding tube 25 swings and rotate, the bending radius of curvature of ink-feeding tube 25 just can be controlled within the specific limits, and mainly is to adjust to bigger radius of curvature.
Three, from the above, project planning 29 of the present invention can be controlled the radius of curvature of ink-feeding tube 25 in when bending be maintained within a certain range (the bending radius of curvature is bigger).So in the process that supporting body 21 moves back and forth, the strength that ink-feeding tube 25 imposes on supporting body 21 makes it stressed comparatively even also within the specific limits.So the process that supporting body 21 moves back and forth is more smooth and easy, print quality is also more stable.
Four, similarly, because ink-feeding tube 25 has bigger bending radius of curvature.So, supporting body 21 move back and forth with ink-feeding tube 25 lead the China ink process in, can both keep the quite low black flow resistance of leading.So, do not need additionally to increase motor and drive and lead black function, can drive the transmission of ink by paper driving unit or the motor that drives supporting body simultaneously.
Five, project planning 29 of the present invention is applicable to a water separate type ink discharge device, is used for fixing ink-feeding tube, and rotatable, avoids ink-feeding tube 25 to produce flexural deformation because of moving back and forth of supporting body 21 thus.
Though the present invention illustrates as above with preferred embodiment, yet it is not to be used to limit spirit of the present invention and the invention entity only limits to the foregoing description.For those of ordinary skills, should understand and utilize other element or mode to produce identical effect easily according to the present invention.So the modification of being done in not breaking away from spirit of the present invention and scope all should be included in the following claim scope.
The main element symbol description
11,21: supporting body 12,22: head device
13,23: slideway 14,24: ink feed slot
15: flexible pipe 152,25: ink-feeding tube
17: the second stiff ends of 16: the first stiff ends
18: swinging mounting 29: project planning
291: constriction 292: through hole
294: the second position limiting structures of 293: the first position limiting structures
296: arc surface 295: root
30: pedestal.
Claims (10)
1. ink discharge device comprises:
Supporting body is used to carry head device, and described supporting body can move back and forth in described ink discharge device;
The ink that provides described head device required is provided ink feed slot;
Many ink-feeding tubes, two ends connect described ink feed slot and described head device respectively;
Pedestal; And
Project planning is arranged at described pedestal in rotating mode, and described project planning has constriction, and wherein, the part section between described ink-feeding tube two ends is fixed in described constriction.
2. ink discharge device according to claim 1, wherein, described constriction has through hole, and the part section of described ink-feeding tube is by described through hole.
3. ink discharge device according to claim 2, wherein, the part section of described ink-feeding tube is horizontally arranged in described through hole.
4. ink discharge device according to claim 2, wherein, the part section of described ink-feeding tube is vertically arranged in described through hole.
5. ink discharge device according to claim 2, wherein, described constriction also has first position limiting structure, is positioned at the first side of contiguous described through hole.
6. ink discharge device according to claim 5, wherein, described constriction also has second position limiting structure, be positioned at the second side of contiguous described through hole, and described second side is positioned at the opposite of described first side.
7. ink discharge device according to claim 6, wherein, joint between the joint between described first position limiting structure and described constriction, described second position limiting structure and described constriction, and the corner of contiguous described ink-feeding tube is the arc surface structure in described first position limiting structure and described second position limiting structure.
8. ink discharge device according to claim 6, wherein, described supporting body axially moves back and forth along first, the described first axial axis is 0 degree, the bearing of trend of described first position limiting structure and the described first axial angle are essentially positive 45 degree, and the bearing of trend of described second position limiting structure is essentially negative 45 with the described first axial angle and spends.
9. ink discharge device according to claim 1, wherein, described constriction has a plurality of transversely arranged through holes, and the part section of the described ink-feeding tube of each bar is by a described through hole.
10. ink discharge device according to claim 9, wherein, described constriction also has first position limiting structure, is positioned at the first side of contiguous described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100002054A CN101480877A (en) | 2008-01-07 | 2008-01-07 | Ink-jet apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100002054A CN101480877A (en) | 2008-01-07 | 2008-01-07 | Ink-jet apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101480877A true CN101480877A (en) | 2009-07-15 |
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ID=40878232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100002054A Pending CN101480877A (en) | 2008-01-07 | 2008-01-07 | Ink-jet apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101480877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450058A (en) * | 2019-05-29 | 2019-11-15 | 傅鹏 | A kind of refiner |
-
2008
- 2008-01-07 CN CNA2008100002054A patent/CN101480877A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110450058A (en) * | 2019-05-29 | 2019-11-15 | 傅鹏 | A kind of refiner |
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Open date: 20090715 |