CN219154019U

CN219154019U - Piezoelectric nozzle and suction nozzle positioning system of ink-jet printer

Info

Publication number: CN219154019U
Application number: CN202120928034.2U
Authority: CN
Inventors: 揭晶
Original assignee: Wuhan Shenlan Hengye Digital Technology Co ltd
Current assignee: Wuhan Shenlan Hengye Digital Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2023-06-09
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a piezoelectric spray head and suction nozzle positioning system of an ink-jet printer, which comprises a positioning connecting piece, a spray head fixing plate and a suction nozzle fixing plate, wherein a high-precision mounting surface is arranged on the positioning connecting piece, and through the high-precision mounting surface, the spray head fixing plate and the suction nozzle fixing plate can be ensured to have certain dimensional precision relative to the surface in the direction vertical to the surface, so that the purpose of positioning is achieved.

Description

Piezoelectric nozzle and suction nozzle positioning system of ink-jet printer

Technical Field

The utility model relates to the technical field of ink-jet printing equipment, in particular to a piezoelectric nozzle and suction nozzle positioning system of an ink-jet printer.

Background

The ink-jet printer is widely applied to the market in terms of vivid printing performance, wherein the piezoelectric nozzle printer and the nozzle are durable, and the piezoelectric nozzle has extremely high ink type inclusion, so that the ink-jet printer is widely applied to different fields, especially the printing field of wide range and special materials.

The piezoelectricity shower nozzle is crooked through electric drive piezoceramics board to realize extruding the ink way, realize the inkjet printing, consequently the export on ink way is contact with the external world all the time, if stop working for a long time, the easy solidification of ink of exit, shutoff ink way, in order to guarantee the normal work of piezoelectricity shower nozzle, need regularly clear up piezoelectricity shower nozzle.

The existing cleaning mode is that the nozzle is adopted to adsorb, the nozzle is provided with a sealed cavity, the solidified ink at the nozzle is sucked out, and therefore the purpose of cleaning the nozzle is achieved, so that in order to ensure the effectiveness of cleaning, a sealed cavity needs to be formed between the nozzle and the nozzle, and the corresponding nozzle and nozzle are required to be in position correspondence with certain precision.

At present, for positioning treatment of a single nozzle and a suction nozzle, a hole structure with a certain movement allowance is arranged on an installation panel of the piezoelectric nozzle and the suction nozzle, and the purposes of adjustment and positioning are achieved by adjusting the installation position between the piezoelectric nozzle and the hole structure; for the multi-nozzle and the suction nozzle, a transition plate structure is generally added, a plurality of nozzles and suction nozzles are respectively arranged on the surface of the transition plate, the transition plate structure is arranged on a corresponding fixed plate, hole structures with a certain movement allowance are respectively arranged on the corresponding transition plate and the fixed plate, coarse adjustment is realized by adjusting the position of the transition plate relative to the fixed plate, and finally, fine adjustment is performed on the position of each nozzle or suction nozzle relative to the transition plate.

The addition of the transition plate can obviously reduce systematic errors, but the independent adjustment of the multiple spray heads and the suction nozzles needs to consume a great deal of time, the adjustment process is complex, the efficiency is low, and the repeated adjustment of the bolt structure also easily causes abrasion to the hole structure, so that the subsequent maintenance is not facilitated, and the service life of equipment is also reduced.

Disclosure of Invention

The utility model aims to provide a positioning system capable of accurately positioning and fixing a single or a plurality of piezoelectric spray heads and suction nozzles of an ink-jet printer, which is characterized in that a square structure with one accurate processing surface is adopted to be respectively and tightly aligned with the accurate processing surfaces on the corresponding sides of a spray head fixing plate and a suction nozzle fixing plate, so that the spray heads and the suction nozzles are aligned and positioned in the direction perpendicular to the accurate processing surfaces, and then the positions of the spray heads and the suction nozzles are aligned and positioned from the other direction by a positioning system of printing equipment, so that the accurate alignment and positioning between the spray heads and the suction nozzles can be realized by the accurate positioning in two different directions.

The utility model provides a piezoelectric nozzle and suction nozzle positioning system of an ink-jet printer, which solves the technical problems.

The scheme for solving the technical problems is as follows:

the utility model relates to a piezoelectric spray head and suction nozzle positioning system of an ink-jet printer, which comprises: the positioning connecting piece comprises a first fine grinding surface;

the spray head fixing plate comprises a second fine grinding surface and a spray head mounting surface, the second fine grinding surface is perpendicular to the spray head mounting surface, and the second fine grinding surface is mounted on the first fine grinding surface in a fitting manner;

the suction nozzle fixing plate comprises a third fine grinding surface and a suction nozzle mounting surface, the third fine grinding surface is perpendicular to the suction nozzle mounting surface, the third fine grinding surface is mounted on the first fine grinding surface in a fitting mode, and the suction nozzle mounting surface is parallel to the spray nozzle mounting surface;

the novel grinding machine comprises a machine body, and is characterized by further comprising a spray head and a suction nozzle, wherein the spray head is fixedly arranged on a spray head mounting surface, the suction nozzle is fixedly arranged on a suction nozzle mounting surface, and the distance from the spray head to a first fine grinding surface is the same as the distance from the suction nozzle to the first fine grinding surface.

The beneficial effects of the utility model are as follows: the utility model converts the position positioning of the spray head and the suction nozzle into the relative position control of the spray head relative to the fine grinding surface, the suction nozzle relative to the fine grinding surface and the three fine grinding surfaces, and the control of the relative positions among the three surfaces can be realized through simple mechanical processing precision, in fact, the plane fine grinding treatment and the simple linear distance control are relatively difficult to realize, the accurate point positioning in the plane is difficult to ensure, the processing and forming size of the die is difficult to ensure, and the scheme of the utility model can avoid the problems of low part production precision and accumulated error after the part is matched in the prior art, thereby improving the positioning efficiency and accuracy.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the number of the spray heads and the number of the suction nozzles are the same and are not less than two, and the arrangement mode of the spray heads is the same as that of the suction nozzles.

The beneficial effects of adopting the further scheme are as follows: compared with a single-nozzle and suction nozzle structure, the multi-nozzle and suction nozzle structure has higher precision control difficulty, not only needs to ensure the relative position relation, but also needs to adjust the point correspondence between each nozzle and the corresponding unknown suction nozzle, the adjustment between the multiple groups needs to be mutually independent, and the workload is huge.

Further, the positioning connecting piece is further provided with an alignment surface, the alignment surface is perpendicular to the first accurate grinding surface, the nozzle mounting surface is parallel to the alignment surface, and the nozzle mounting surface is parallel to the nozzle mounting surface.

The beneficial effects of adopting the further scheme are as follows: the alignment surface is utilized to align and position the spray nozzle mounting surface and the suction nozzle mounting surface, so that the two mounting plates are parallel to each other, and the later alignment mounting and position alignment are facilitated.

Further, the spray head comprises first positioning protrusions, the first positioning protrusions are vertically and fixedly arranged on the spray head mounting surface, at least two first positioning holes are formed in the surface of the spray head, the size of the first positioning protrusions is the same as that of the first positioning holes, and the spray head is matched, positioned and mounted with the corresponding number of the first positioning protrusions through the at least two first positioning holes.

The beneficial effects of adopting the further scheme are as follows: the positioning bulge and the positioning hole are positioned, the positioning mode is simple, quick positioning and simple position fixing can be performed, subsequent connection fastening operation is convenient, and position errors in the connection fastening process are avoided.

Further, the suction nozzle further comprises second positioning protrusions, the second positioning protrusions are fixedly arranged on the surface of the suction nozzle, at least two second positioning holes are formed in the mounting surface of the suction nozzle, the size of the second positioning protrusions is the same as that of the second positioning holes, and the suction nozzle is matched, positioned and mounted with the corresponding number of second positioning holes through the at least two second positioning protrusions.

Further, the suction nozzle also comprises a base, an elastic support piece and a suction head, wherein the base is of a cavity structure with an opening at the upper end, the elastic support piece is arranged in the base, the suction head is arranged at the opening of the base, the bottom of the suction head is fixedly connected with the elastic support piece, the elastic support piece can be preferably of a spring structure, and the elastic support piece drives the suction head to move in a direction far away from the base.

The beneficial effects of adopting the further scheme are as follows: when the nozzle is aligned with the suction nozzle and pressed down simultaneously, the elastic support piece is arranged in the suction nozzle, so that a certain movement allowance space is reserved between the suction nozzle and the nozzle, and meanwhile, the elastic support piece can also ensure that the suction nozzle and the nozzle are tightly propped against each other, so that a better adsorption cleaning effect is realized.

Further, the first fine grinding surface is provided with a long round through hole, the second fine grinding surface is provided with a first mounting hole, the third fine grinding surface is provided with a second mounting hole, and bolts penetrate through the long round through hole to be respectively and tightly connected with the first mounting hole and the second mounting hole so as to tightly connect the positioning connecting piece with the spray head fixing plate and the suction nozzle fixing plate.

The beneficial effects of adopting the further scheme are as follows: the positioning connecting piece, the spray head fixing plate and the suction nozzle fixing plate are fastened in an optional fastening connection mode, so that convenience is brought to early positioning and later installation.

Further, the number of the long round through holes, the first mounting holes and the second mounting holes is the same and at least two, and the distance between every two adjacent long round through holes, the distance between every two adjacent first mounting holes and the distance between every two adjacent second mounting holes are the same.

The beneficial effects of adopting the further scheme are as follows: the positioning connecting piece, the spray head fixing plate and the suction nozzle fixing plate can be guaranteed to be stable in position through the multiple mounting hole structures.

Further, still include the location boss, one side array that the shower nozzle fixed plate is close to the face of alignment is provided with a plurality of bosss, the first bolt hole has all been seted up to the position corresponding with the boss on the face of alignment, and the face of alignment runs through first bolt hole and with boss fastening connection through the bolt.

The beneficial effects of adopting the further scheme are as follows: the boss structure facilitates rapid determination of the parallel relationship between the alignment surface and the spray head mounting surface.

The application also provides a mounting method of the piezoelectric spray head and suction nozzle positioning system of the ink-jet printer, which comprises the following steps:

the method comprises the steps that firstly, a spray head fixing plate and a suction nozzle fixing plate are respectively and fixedly arranged on a first fine grinding surface of a positioning connecting piece through a second fine grinding surface and a third fine grinding surface;

step two, integrally moving a positioning connecting piece provided with a spray head fixing plate and a suction nozzle fixing plate to a printing trolley, and fixedly mounting the spray head fixing plate on the printing trolley;

thirdly, moving the positioning connecting piece to the upper part of the ink stack, and fixedly connecting the suction nozzle fixing plate with the ink stack;

and fourthly, respectively detaching the spray head fixing plate and the suction nozzle fixing plate from the positioning connecting piece to finish positioning and installation.

The mounting method has the beneficial effects that the mounting positions of each spray nozzle and each suction nozzle can be repeatedly adjusted by a professional technician, and the positioning can be completed by one-time mounting.

Further, a plurality of first operation through holes are formed in the alignment surface in an array mode, a plurality of second operation through holes are formed in the nozzle mounting surface in an array mode, a plurality of second bolt holes are formed in the nozzle mounting surface in an array mode, the positions of the first operation through holes, the second operation through holes and the second bolt holes correspond to each other, and the axes of the first operation through holes, the second operation through holes and the second bolt holes are overlapped.

The beneficial effects of adopting the further scheme are as follows: through the operation through-hole structure of seting up, be convenient for later stage with corresponding shower nozzle fixed plate and suction nozzle fixed plate installation to its working position.

Further, the diameter of the first operation through hole is larger than the diameters of the second operation through hole and the second bolt hole.

The beneficial effects of adopting the further scheme are as follows: the subsequent installation operation is carried out through the first operation through hole, so that the size of the first operation through hole is designed to be larger, and the operation is convenient.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is an isometric view of a piezoelectric nozzle tip and nozzle positioning system for an ink jet printer according to an embodiment of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an exploded view of the other view of FIG. 1;

FIG. 4 is an isometric view of a positioning connection member in a piezoelectric nozzle and nozzle positioning system of an ink jet printer according to an embodiment of the present utility model;

FIG. 5 is an isometric view of a connection between a nozzle and a nozzle plate in a piezoelectric nozzle and nozzle positioning system of an ink jet printer according to an embodiment of the present utility model;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a front cross-sectional view of FIG. 5;

FIG. 8 is an isometric view of a nozzle and nozzle mounting plate connection in a piezoelectric nozzle and nozzle positioning system of an ink jet printer according to an embodiment of the present utility model;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is a front cross-sectional view of fig. 8.

In the drawings, the list of components represented by the various numbers is as follows:

1. positioning the connecting piece; 11. an alignment surface; 12. a first finely ground surface; 111. a first bolt hole; 112. a first operation through hole; 121. a oblong through hole; 2. a nozzle fixing plate; 21. a second finely ground surface; 22. a spray head mounting surface; 211. a first mounting hole; 23. a second bolt hole; 3. a suction nozzle fixing plate; 31. third finely grinding the surface; 32. a suction nozzle mounting surface; 311. a second mounting hole; 321. A second positioning hole; 33. a second bolt hole; 4. a spray head; 41. a first positioning hole; 5. a suction nozzle; 51. a base; 52. an elastic support; 53. a suction head; 6. a first positioning protrusion; 7. and a second positioning protrusion.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1-10, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-10, the present utility model provides a piezoelectric nozzle and nozzle positioning system of an ink jet printer, which includes a positioning connector 1, a nozzle fixing plate 2 and a nozzle fixing plate 3, wherein the nozzle fixing plate 2 is used for positioning and fixing and installing a nozzle 4, the nozzle fixing plate 3 is used for positioning and fixing and installing a nozzle 5, the positioning connector 1 includes a first fine grinding surface 12 which is processed by fine machining, the surface flatness of the first fine grinding surface 12 is higher, one end portion of the nozzle fixing plate 2 has a second fine grinding surface 21, one end portion of the nozzle fixing plate 3 has a third fine grinding surface 31, the nozzle fixing plate 2 is tightly attached to the first fine grinding surface 12 through the second fine grinding surface 21 to realize high-precision positioning with the positioning connector 1, and in a specific embodiment, the nozzle fixing plate 2 and the positioning connector 1 are fixedly connected through fasteners such as bolts, and the nozzle fixing plate 3 is tightly attached to the first fine grinding surface 12 through the third fine grinding surface 31 to realize high-precision positioning with the positioning connector 1.

Furthermore, the positioning connector 1 is also provided with an alignment surface 11, and the alignment surface 11 is mutually perpendicular to the first finish grinding surface 12; the nozzle fixing plate 2 is also provided with a nozzle mounting surface 22, and the nozzle mounting surface 22 is perpendicular to the second fine grinding surface 21; the nozzle fixing plate 3 further has a nozzle mounting surface 32, and the nozzle mounting surface 32 is perpendicular to the third finish grinding surface 31. The head mounting surface 22 is adjustable to be parallel to the alignment surface 11, and the nozzle mounting surface 32 is adjustable to be parallel to the alignment surface 11, so that it is also parallel to the head mounting surface.

The technical solution of the piezoelectric nozzle and nozzle positioning system of the inkjet printer provided in the foregoing embodiment, through precise adjustment and positioning of the nozzle fixing plate 2 and the nozzle fixing plate 3, accurate positioning of the nozzle 4 correspondingly mounted on the nozzle fixing plate 2 and the nozzle 5 mounted on the nozzle fixing plate 3 is achieved, the first fine grinding surface 12 can ensure that the second fine grinding surface 21 and the third fine grinding surface 31 are aligned along the plane of the first fine grinding surface 12, and since the corresponding nozzle mounting surface 22 and nozzle mounting surface 32 are perpendicular to the second fine grinding surface 21 and the third fine grinding surface 31, respectively, the structures mounted on the nozzle mounting surface 22 and the nozzle mounting surface 32 can achieve alignment along the direction perpendicular to the first fine grinding surface 12, specifically, only the distance from the corresponding mounting structure to the second fine grinding surface 21 or the third fine grinding surface 31 needs to be controlled to be the same or corresponding, for example, when the distance from the nozzle 4 to the second fine grinding surface 21 is the same as the distance from the nozzle 5 to the third fine grinding surface 31, if the nozzle fixing plate 2 and the nozzle fixing plate 3 are controlled to move along the straight line intersecting the first fine grinding surface 12 and the second fine grinding surface 21, the nozzle 4 and the nozzle 5 can be overlapped at a specific position at the moment, and in actual operation of the inkjet printer, the print carriage of the load nozzle 4 can also reciprocate along the straight line intersecting the first fine grinding surface 12 and the second fine grinding surface 21, and the nozzle 5 can be stopped by controlling the print carriage to move to the nozzle 4 along the same vertical direction with the nozzle 5 through an external mechanical control device, so that the nozzle 5 can accurately suck ink for cleaning the nozzle 4.

Preferably, in one embodiment of the present utility model, as shown in fig. 5 and 8, the nozzle 4 is fixedly mounted on the nozzle mounting surface 22, the nozzle 5 is fixedly mounted on the nozzle mounting surface 32, and the distance from the nozzle 4 to the first fine grinding surface 12 is the same as the distance from the nozzle 5 to the first fine grinding surface.

Based on the above technical solution, it should be understood that the fastening and mounting method may specifically be a snap connection or a bolt fastening connection, where the corresponding bolt holes are formed in the nozzle mounting surface 22 and the nozzle mounting surface 32, and the corresponding bolt holes are also formed in the nozzle 4 and the nozzle 5, and the bolts penetrate through the bolt holes at the corresponding positions and are screwed, so that the fastening connection can be achieved.

Specifically, as shown in fig. 5-6 and fig. 8-9, the number of the nozzles and the nozzles 5 is the same and not less than two, and the arrangement mode of the plurality of nozzles 4 is the same as the arrangement mode of the nozzles 5.

In the above embodiment, compared with the printer conventionally adopting the single spray head 4 and the single suction nozzle 5, the positioning verification work of the multiple spray heads 4 and the multiple suction nozzles 5 is more complicated, in order to ensure that the multiple spray heads 4 and the suction nozzles 5 are accurately positioned, installation adjustment allowance is arranged between each single spray head 4 and the spray head mounting plate and between the suction nozzles 5 and the suction nozzle mounting plate, for example, screw holes for installation alignment are designed into a groove structure, so that the first-stage position adjustment is convenient, a transition plate is further arranged, the second-stage position adjustment is realized between the transition plate and the mounting plate, the two-stage position adjustment can respectively realize the position adjustment in different directions, so that the accurate positioning is realized, the adjustment mode is relatively low, the multiple spray heads 4 and the suction nozzles 5 are integrally aligned, and each spray head 4 and each suction nozzle 5 are required to be adjusted, so that the difficulty and the workload are huge. In the above embodiment, alignment is performed on another fine grinding surface after fine grinding treatment is performed on one mounting surface, and then the distance between the nozzle 4 and the suction nozzle 5 and the aligned plane is controlled, so that alignment of the whole position can be realized, and the positions of the nozzle 4 and the suction nozzle 5 relative to each other and the positions of the fine grinding surfaces can be controlled, so that accurate positioning is realized.

Specifically, as shown in fig. 5-7, the shower nozzle further includes a first positioning protrusion 6, the first positioning protrusion 6 is vertically and fixedly installed on the shower nozzle installation surface 22, at least two first positioning holes 41 are formed in the surface of the shower nozzle 4, the size of the first positioning protrusion 6 is the same as that of the first positioning holes 41, and the shower nozzle 4 is installed in a matched positioning manner with the corresponding number of first positioning protrusions 6 through the at least two first positioning holes 41.

As another preferred embodiment, the first positioning protrusion 6 may be further vertically and fixedly installed on the surface of the nozzle 4, and the nozzle mounting surface 22 is provided with a first positioning hole 41, where the positions of the first positioning protrusion 6 and the first positioning hole 41 are corresponding to each other.

As the most preferred embodiment, two first positioning holes 41 are formed in each spray head, one of the first positioning holes 41 is a round hole, the other positioning hole 41 is a waist round hole, the diameters of the two corresponding first positioning protrusions 6 are slightly larger than the inner diameter of the first positioning hole of the round hole, at this time, the first positioning protrusions 6 are in interference fit with the round hole, the length direction of the waist round hole is parallel to the second finish grinding surface 21, and the first positioning hole 41 of the other waist round hole can adapt to certain machining production errors.

In the above embodiment, most of the conventional spray heads 4 are fixedly connected with the spray head mounting surface 22 or the corresponding spray head transition plates through bolts, the positioning effect is determined by the relative position relationship between the bolts and the corresponding bolt holes during mounting, so that the positioning uncertainty is high, the positioning effect needs to be manually adjusted multiple times, in the application, the spray heads 4 can be directly mounted on the spray head mounting surface 22 according to the fixed requirement due to the fact that the accurate positioning can be realized through the mode of pre-processing and the operation of later mechanical equipment, and particularly, the positioning is performed through the first positioning protrusions 6 and the first positioning holes 41, the positioning mode is simple, the positioning mounting is rapid, in order to achieve the accurate positioning effect, the size of the first positioning protrusions 6 is matched with the size of the first positioning holes 41, and in order to further achieve the better fastening mounting effect, the spray heads 4 can be fixedly mounted on the spray head mounting surface 22 through the mode of bolting.

Specifically, as shown in fig. 8-10, the suction nozzle further comprises a second positioning protrusion 7, the second positioning protrusion 7 is fixedly mounted on the surface of the suction nozzle 5, at least two second positioning holes 321 are formed in the suction nozzle mounting surface 32, the size of the second positioning protrusion 7 is the same as that of the second positioning holes 321, and the suction nozzle 5 is mounted in a matched positioning manner with the corresponding number of the second positioning holes 321 through the at least two second positioning protrusions 7.

As another preferred embodiment, the second positioning protrusion 7 is fixedly installed on the suction nozzle installation surface 32, the surface of the suction nozzle 5 is provided with the second positioning hole 321, and the positions and sizes of the second positioning protrusion 7 and the second positioning hole 321 are corresponding to each other.

In the above embodiment, the second positioning protrusion 7 may also facilitate accurate positioning and mounting of the suction nozzle 5 on the suction nozzle mounting surface 32, similarly to the function of the first positioning protrusion 6, while the mounting is convenient and quick, and it should be understood that the size of the second positioning protrusion 7 is the same as the size of the second positioning hole 321, and in order to further improve the fastening and mounting effect, the suction nozzle 5 may also be fastened and mounted on the suction nozzle mounting surface 32 by a bolt.

As an optimal implementation mode, each suction nozzle 5 is provided with two second positioning protrusions 7, two corresponding second positioning holes 321 are formed in the suction nozzle mounting surface, one second positioning hole 321 is a round hole, the other second positioning hole 321 is a waist round hole, the corresponding two second positioning protrusions 7 are cylindrical, the diameter of each second positioning hole is slightly larger than the inner diameter of the corresponding second positioning hole 321 of the round hole, when the second positioning protrusions 7 are embedded into the second positioning holes 321 of the round hole, a certain fixing and accurate positioning effect is achieved through interference fit, the other second positioning protrusions 7 are matched with the second positioning holes 321 of the waist round hole, the length direction of the waist round hole is parallel to that of the third fine grinding surface 31, and the waist round hole can adapt to a certain machining error.

Preferably, in one embodiment of the present utility model, as shown in fig. 1 to 4, the first fine grinding surface 12 is provided with a long circular through hole 121, the second fine grinding surface 21 is provided with a first mounting hole 211, the third fine grinding surface 31 is provided with a second mounting hole 311, and the long circular through hole 121 is penetrated by a bolt and is respectively fastened with the first mounting hole 211 and the second mounting hole 311 so as to fasten and connect the positioning connector 1 with the nozzle fixing plate 2 and the nozzle fixing plate 3.

In the above embodiment, the nozzle fixing plate 2 and the nozzle fixing plate 3 are selectively installed on the positioning connector 1, and the positions of the corresponding nozzle fixing plate 3 and nozzle fixing plate 2 also need to be adjusted according to different devices or different use requirements, so that the oblong through hole 121 is respectively matched with the first mounting hole 211 on the second fine grinding surface 21 and the second mounting hole 311 on the third fine grinding surface 31, and the mounting positions of the second fine grinding surface 21 and the third fine grinding surface 31 can be changed by the oblong through hole 121.

Preferably, in one embodiment of the present utility model, as shown in fig. 2 to 4, the number of the oblong through holes 121, the first mounting holes 211 and the second mounting holes 311 is the same and at least two, and the distance between two adjacent oblong through holes 121, the distance between two adjacent first mounting holes 211 and the distance between two adjacent second mounting holes 311 are the same.

In the above embodiment, the fixing of the positions of the nozzle fixing plate 2 and the nozzle fixing plate 3 cannot be ensured by fastening and connecting the nozzle fixing plate 2 and the nozzle fixing plate 3 by a through hole and a corresponding bolt structure, so that, as a preferable scheme, the number of the corresponding oblong through holes 121, the first mounting holes 211 and the second mounting holes 311 is set to be a plurality of, and the distances between the adjacent holes are the same, so that the positioning accuracy and the fixing of the positions of the nozzle fixing plate 2 and the nozzle fixing plate 3 can be ensured, and meanwhile, the relative parallel mounting of the nozzle fixing plate 2 and the nozzle fixing plate 3 can be assisted by at least two holes because the distances between the adjacent holes are the same.

Preferably, in an embodiment of the present utility model, the shower nozzle fixing plate further includes a positioning boss 8, a plurality of bosses 8 are disposed on a side of the shower nozzle fixing plate 2, which is close to the alignment surface 11, and first bolt holes 111 are disposed on positions on the alignment surface 11 corresponding to the bosses 8, and the alignment surface 11 penetrates through the first bolt holes 111 through bolts and is fixedly connected with the bosses 8.

In the above embodiment, the positioning boss 8 can be convenient for adjust the parallel of the relative alignment face 11 of the shower nozzle fixing plate 2, through with alignment face 11 fastening connection, can simplify the fixed mounting between shower nozzle 4 and the print dolly in fact, can realize the quick installation of shower nozzle 4 through directly installing the positioning system of this scheme on the print dolly.

In the above embodiment, the suction nozzle 5 further includes a base 51, an elastic support 52 and a suction nozzle 53, the base 51 is a cavity structure with an opening at an upper end, the elastic support 52 is installed in the base 51, the suction nozzle 53 is disposed at the opening of the base 51, the bottom of the suction nozzle 53 is fixedly connected with the elastic support 52, and a second positioning hole 321 is disposed on a surface of the base 51 away from the suction nozzle 53.

Preferably, in one embodiment of the present utility model, as shown in fig. 2, a plurality of first operation through holes 112 are formed in an array on the alignment surface 11, a plurality of second operation through holes 23 are formed in an array on the nozzle mounting surface 22, a plurality of second bolt holes 33 are formed in an array on the nozzle mounting surface 32, positions of the first operation through holes 112, the second operation through holes 23 and the second bolt holes 33 are corresponding to each other, and axes of the first operation through holes 112, the second operation through holes 23 and the second bolt holes 33 are coincident.

In the above embodiment, the positions of the second fine grinding surface 21 and the third fine grinding surface 31 are not limited, and the second fine grinding surface 21 may be any one of the four end side surfaces of the head fixing plate 2, and the third fine grinding surface 31 may be any one of the four end side surfaces of the nozzle fixing plate 3, respectively.

In the above embodiment, the positioning system of the present embodiment, in use,

firstly, the positioning connection piece 1, the nozzle fixing plate 2 and the nozzle fixing plate 3 are positioned and fixed, so that the nozzle 4, the nozzle 5 and other structures which are installed on the corresponding fixing plates can be positioned accurately, then the nozzle fixing plate 2 and the nozzle fixing plate 3 can be installed on the corresponding structures in a repositioning way respectively (namely, the nozzle fixing plate 2 is assembled with a printer trolley at first, then the distance and the parallelism between the nozzle fixing plate 2 and a printing platform are adjusted, and the distance between the nozzle fixing plate 2 and the printing platform is controlled, because the distance is one of key elements of good printing effect and bad printing effect), the positioning can be realized, the nozzle fixing plate 2 and the nozzle fixing plate 3 which are installed on the corresponding fixing plates are conveniently transferred to other structures from the positioning connection piece 1 in a later period, and the positioning accuracy is ensured.

Preferably, in one embodiment of the present utility model, the diameter of the first operation through hole 112 is larger than the diameters of the second operation through hole 23 and the second bolt hole 33.

In the above embodiment, since the positioning connector 1 is used as an auxiliary tool and the head fixing plate 2 and the nozzle fixing plate 3 are mainly operated in the positioning transfer mounting process, the diameter of the first operation through hole 112 needs to be larger, thereby facilitating the operation.

The specific working principle and the using method of the utility model are as follows:

the second fine grinding surface 21 and the third fine grinding surface 31 are firstly adhered to the first fine grinding surface 12, and then preliminary horizontal positioning is carried out through the positioning boss 8 or the long round through hole 121 and the positions between the first mounting hole 211 and the second mounting hole 311, it should be understood that the horizontal positioning method can also be realized in other existing feasible modes, the nozzle fixing plate 2 and the nozzle fixing plate 3 can be relatively parallel through horizontal positioning, so that excessive errors are not generated between the nozzle fixing plate 2 and the nozzle fixing plate 3 and the corresponding printing trolley or ink stack in the later mounting process, the horizontal positions are kept through the clamping structure, the first fine grinding surface 12, the second fine grinding surface 21 and the third fine grinding surface 31 are all adhered to each other, the first long round through hole 121 and the corresponding first bolt hole 111 are respectively penetrated through bolts, the fixing between the positioning connecting piece 1, the nozzle fixing plate 2 and the nozzle fixing plate 3 is realized, and then the nozzle positioning system is installed on the printing trolley, and the specific installation method is that the nozzle fixing plate 2 is installed on the printing trolley, at the moment, the whole nozzle positioning system is fixed along with the nozzle fixing plate 2, the position of the printing trolley is adjusted to the installation position of the nozzle 5, the second bolt hole 33 is operated through the first operation through hole 112, so that the nozzle fixing plate 3 is installed to the corresponding working position under the condition that the holding position of the nozzle fixing plate 3 corresponds, such as an ink stack, at the moment, the positions of the nozzle 4 on the printing trolley and the nozzle 5 on the ink stack on the horizontal plane perpendicular to the moving direction of the printing trolley correspond to each other, when the printing trolley moves, the nozzle 4 can be selectively and accurately butted with the nozzle 5, at the moment, if the nozzle 4 moves to the position right above the nozzle 5, the spray head 4 can be adsorbed and cleaned by driving the ink stack to be up, and after the spray head is mounted, the positioning connecting piece 1 is dismounted from the spray head fixing plate 2 and the suction nozzle fixing plate 3.

In fact, in the scheme, the adjustment and positioning of a single spray head and a suction nozzle are not needed, only the adhesion of three accurate grinding surfaces is needed, the relative positions between the corresponding spray head 4 and the suction nozzle 5 and the distance between the spray head 4 and the accurate grinding surface on the corresponding mounting plate of the suction nozzle 5 are the same, under the condition that the machining precision of the accurate grinding surface can be ensured, the corresponding mounting position can be determined, so that the positioning effect can be ensured, and the positioning process only needs to ensure that the machining precision of the parts reaches the standard.

In other embodiments, the positioning connector 1 may be fixed first, and then the nozzle fixing plate 2 and the nozzle fixing plate 3 are operated through the first operation through hole 112, so that the two fixing plates are respectively mounted to corresponding mounting positions, such as a print carriage and an ink stack, to achieve the purpose of positioning and mounting.

It should be understood that when the first fine grinding surface 21, the second fine grinding surface 31 and the first fine grinding surface 12 are tightly attached, bolts may be used at the first oblong through holes 121, and locking structures such as spring plates or hold-down springs with a tightening effect may be used as the bolt structure, and any structure for locking in threaded engagement that may be used in the prior art may be implemented herein, and parallel positioning between the nozzle fixing plate 2 and the nozzle fixing plate 3 may be performed by using the existing positioning bosses 8, or may be performed by using an alignment method that may be used in the prior art.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. A piezoelectric nozzle and nozzle positioning system for an inkjet printer, comprising:

the positioning connecting piece (1), wherein a first fine grinding surface (12) is arranged on the positioning connecting piece (1);

the spray head fixing plate (2), the spray head fixing plate (2) comprises a second fine grinding surface (21) and a spray head mounting surface (22), the second fine grinding surface (21) is perpendicular to the spray head mounting surface (22), and the second fine grinding surface (21) is mounted on the first fine grinding surface (12) in a bonding mode;

the suction nozzle fixing plate (3), suction nozzle fixing plate (3) include third smart mill face (31) and suction nozzle installation face (32), and third smart mill face (31) are mutually perpendicular with suction nozzle installation face (32), and third smart mill face (31) laminating is installed on first smart mill face (12).

2. The piezoelectric nozzle and nozzle positioning system of an ink jet printer according to claim 1, further comprising a nozzle (4) and a nozzle (5), wherein the nozzle (4) is fixedly mounted on a nozzle mounting surface (22), the nozzle (5) is fixedly mounted on a nozzle mounting surface (32), and the distance from the nozzle (4) to the first fine grinding surface (12) is the same as the distance from the nozzle (5) to the first fine grinding surface (12).

3. The piezoelectric nozzle and nozzle positioning system of an ink jet printer according to claim 1, wherein the positioning connector (1) is further provided with an alignment surface (11), the alignment surface (11) is perpendicular to the first finish grinding surface (12), the nozzle mounting surface (22) is parallel to the alignment surface (11), and the nozzle mounting surface (32) is parallel to the nozzle mounting surface (22).

4. The piezoelectric nozzle and nozzle positioning system of an ink jet printer according to claim 2, wherein the number of the nozzles (4) and the number of the nozzles (5) are equal to or more than two, and the arrangement of the plurality of nozzles (4) is equal to the arrangement of the plurality of nozzles (5).

5. The piezoelectric nozzle and suction nozzle positioning system of an ink jet printer according to claim 2, further comprising a first positioning protrusion (6), wherein the first positioning protrusion (6) is vertically and fixedly installed on the nozzle installation surface (22), at least two first positioning holes (41) are formed in the surface of the nozzle (4), the size of the first positioning protrusion (6) is the same as the size of the first positioning holes (41), and the nozzle (4) is installed in a matched positioning manner with the corresponding number of first positioning protrusions (6) through the at least two first positioning holes (41).

6. The piezoelectric nozzle and nozzle positioning system of the ink-jet printer according to claim 2, further comprising a second positioning protrusion (7), wherein the second positioning protrusion (7) is fixedly installed on the surface of the nozzle (5), at least two second positioning holes (321) are formed in the nozzle installation surface (32), the size of the second positioning protrusion (7) is the same as the size of the second positioning holes (321), and the nozzle (5) is installed in a matched positioning manner through the at least two second positioning protrusions (7) and the corresponding number of second positioning holes (321).

7. The piezoelectric nozzle and suction nozzle positioning system of the ink-jet printer according to claim 2, wherein the suction nozzle (5) further comprises a base (51), an elastic supporting piece (52) and a suction nozzle (53), the base (51) is of a cavity structure with an open upper end, the elastic supporting piece (52) is installed in the base (51), the suction nozzle (53) is arranged at the opening of the base (51), and the bottom of the suction nozzle (53) is fixedly connected with the elastic supporting piece (52).

8. A piezoelectric nozzle and suction nozzle positioning system for an ink jet printer according to claim 3, wherein the first fine grinding surface (12) is provided with a long round through hole (121), the second fine grinding surface (21) is provided with a first mounting hole (211), the third fine grinding surface (31) is provided with a second mounting hole (311), and the long round through hole (121) is respectively and tightly connected with the first mounting hole (211) and the second mounting hole (311) through bolts so as to tightly connect the positioning connecting piece (1) with the nozzle fixing plate (2) and the suction nozzle fixing plate (3).

9. The system according to claim 8, wherein the number of the oblong through holes (121), the first mounting holes (211) and the second mounting holes (311) is the same and at least two, and the distance between two adjacent oblong through holes (121), the distance between two adjacent first mounting holes (211) and the distance between two adjacent second mounting holes (311) are the same; a plurality of first operation through holes (112) are formed in the alignment surface (11) in an array mode, a plurality of second operation through holes (23) are formed in the nozzle mounting surface (22) in an array mode, a plurality of second bolt holes (33) are formed in the nozzle mounting surface (32) in an array mode, the positions of the first operation through holes (112), the second operation through holes (23) and the second bolt holes (33) correspond to each other, and the axes of the first operation through holes (112), the second operation through holes (23) and the second bolt holes (33) are located to coincide.