CN110497698B - An integrated nozzle module structure for inkjet printing - Google Patents
An integrated nozzle module structure for inkjet printing Download PDFInfo
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- CN110497698B CN110497698B CN201910757729.6A CN201910757729A CN110497698B CN 110497698 B CN110497698 B CN 110497698B CN 201910757729 A CN201910757729 A CN 201910757729A CN 110497698 B CN110497698 B CN 110497698B
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- 238000007641 inkjet printing Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims description 81
- 238000001816 cooling Methods 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/07—Ink jet characterised by jet control
- B41J2/125—Sensors, e.g. deflection sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/145—Arrangement thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/377—Cooling or ventilating arrangements
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- Ink Jet (AREA)
- Coating Apparatus (AREA)
Abstract
本发明属于喷墨打印设备相关技术领域，并公开了一种集成式喷头模组结构，其呈现由多个板状组件共同封闭而成的框架式模组形式，并且在其内部设置有墨水喷头及其配套的喷头附件，其中底板组件用于精确定位及安装墨水喷头，后板组件用于喷头模组的自动快速外接电气接口，前板组件用于喷头模组的稳定提升，顶板组件用于灌装墨液及拿取模组，封板组件用于封闭模组及散热等。通过本发明，在获得便捷组装、通用性强的喷头模组结构的同时，还便于实现XYZ三轴方向上的自由调节，动态实时地调整喷头的高精度位姿，同时可自动快速地与外部电气接头相连等，因而尤其适用于喷墨打印柔性器件制造之类的应用场合。
The invention belongs to the technical field of inkjet printing equipment, and discloses an integrated nozzle module structure, which is in the form of a frame-type module that is jointly closed by a plurality of plate-shaped components, and is provided with an ink nozzle inside. and its matching nozzle accessories, the bottom plate assembly is used for precise positioning and installation of ink nozzles, the rear plate assembly is used for the automatic and fast external electrical interface of the nozzle module, the front plate assembly is used for the stable lifting of the nozzle module, and the top plate assembly is used for Filling the ink and taking the module, the sealing plate assembly is used to seal the module and dissipate heat. Through the present invention, while obtaining a nozzle module structure with convenient assembly and strong versatility, it is also convenient to realize free adjustment in the XYZ three-axis directions, dynamically adjust the high-precision posture of the nozzle in real time, and at the same time, it can automatically and quickly communicate with the outside world. It is especially suitable for applications such as inkjet printing flexible device manufacturing.
Description
Technical Field
The invention belongs to the technical field related to ink-jet printing equipment, and particularly relates to an integrated type spray head module structure for ink-jet printing.
Background
The ink-jet printing technology has wide application prospects in multiple manufacturing fields of information, energy, medical treatment, national defense and the like, and is increasingly applied to the fields of flexible devices such as OLED, RFID, thin-film solar cells, wearable flexible equipment, PCB, intelligent skin and the like.
In practical application, it is found that the mounting mode, the adjustment precision, the specific structural form and the like of the nozzle structure, which is one of the cores of the ink-jet printing technology, have a great influence on the ink-jet printing effect. In an inkjet printing apparatus, the control system of the ejection head and the ink supply system need to be integrated together to work effectively. However, how to design a more compact and reasonable showerhead module structure to realize the integrated design of the showerhead and its accessories, and especially to meet the requirements of manufacturing occasions such as flexible devices, the critical technical requirements to be solved in the field of structural cost are urgent.
Disclosure of Invention
In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides an integrated nozzle module structure for inkjet printing, wherein a plurality of base plate assemblies are used to jointly construct a frame-type compact module structure, and further, specific structures and arrangement modes of a plurality of key assemblies, such as the base plate assemblies and the back plate assemblies, are specifically optimized and improved, so that the nozzle module structure with convenient assembly and strong versatility is obtained, meanwhile, the free adjustment in the directions of three axes of XYZ and z is facilitated, the high-precision position and posture of the nozzle can be dynamically adjusted in real time, and the nozzle module structure can be automatically and rapidly connected with an external electrical connector, and the like, thereby being particularly suitable for the application occasions of manufacturing flexible inkjet printing devices.
Accordingly, according to the present invention, there is provided an integrated head module structure for inkjet printing, wherein the integrated head module structure is in the form of a frame module formed by a plurality of plate-shaped components, namely, a bottom plate component (100), a rear plate component (200), a front plate component (300), a top plate component (400), a left sealing plate component (500) and a right sealing plate component (600), which are sealed together, and an ink head (102) and a head accessory (700) matched with the same are disposed therein, wherein:
the bottom plate assembly (100) is used for installing the ink nozzle (102) and performing accurate positioning adjustment on the position and the angle of the ink nozzle during installation; the bottom plate assembly (100) comprises a bottom plate (101), an adapter plate (108), a spray head control card (115), a first positioning pin (104), a second positioning pin (105), a first micrometer caliper (111) and a first spring (113) which are used in a set, a second micrometer caliper (112) and a second spring (114) which are used in a set, a bottom cover plate (103), a heating plate (109) and a bottom plate sensor (110);
the ink nozzle (102) is fixed on the lower side of the bottom plate (101) and is arranged on the adapter plate (108), and is in signal communication with the nozzle control card (115); the first positioning pin (104) and the second positioning pin (105) are arranged on the bottom plate (101) in a diagonal line mode and are used for preliminarily determining the placement position of the ink spray head (102) and guiding the linear motion of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction; the micrometer screw (111) and the spring (113) are correspondingly arranged on the side surface of the ink spray head (102) and are used for continuously and finely adjusting the angular deviation of the ink spray head after the ink spray head is placed in place, and the micrometer screw (112) and the spring (114) are correspondingly arranged in the length direction of the ink spray head (102) and are used for continuously and finely adjusting the position deviation of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction; in addition, the bottom cover plate (103) is used for sealing the ink nozzle and the nozzle accessory (700) matched with the ink nozzle, the heating sheet (109) is used for heating the ink nozzle to the required temperature, and the bottom plate sensor (110) is used for detecting whether the position and the angle of the mounted ink nozzle are accurately positioned;
the rear plate component (200) is used for realizing the installation of an external electrical interface required by the sprayer module and simultaneously executing the linear motion of the sprayer module along the X-axis direction, namely the horizontal longitudinal direction; the rear plate component comprises a rear plate (201), an electric connector female head (202), an air pipe interface (204), a tensioning block (205) and a rear plate sensor (203), wherein the electric connector female head (202) and the air pipe interface (204) are respectively arranged on the upper part of the rear plate (201) and are respectively used for the external electric connection and the air circuit connection of the ink jet head; the tensioning block (205) is arranged at the lower part of the rear plate and is connected with the ink nozzle, thereby being used for driving the ink nozzle to move linearly along the X-axis direction, namely the horizontal transverse direction, and simultaneously clamping or loosening the ink nozzle; the rear plate sensor (203) is used for detecting whether the ink nozzle moves in place in the X-axis direction;
the front plate assembly (300) is used for realizing the linear motion of the spray head module along the Z-axis direction, namely the vertical direction, and simultaneously preventing the influence caused by shaking; the top plate assembly (400) is used for providing an ink filling hole for supplying ink to the spray head module; the left sealing plate assembly (500) and the right sealing edge assembly (600) are respectively provided with a heat dissipation hole and used for dissipating heat generated by the nozzle module and other accessory elements; in addition, the showerhead attachment (700) is used to supply ink and gas to the showerhead module.
As a further preference, for the above-mentioned base plate assembly (100), the base plate (101) is preferably further provided with a first surface (101-2), a second surface (101-3), a first visual positioning element (106) and a second visual positioning element (107), and during the process of placing the spray head module into its seat, the following operation is preferably performed:
firstly, the first positioning pin (104) and the second positioning pin (105) which are arranged on the bottom plate (101) through diagonal lines are matched with the first surface, the second surface and the positioning pin holes on the base, so that the placement position of the spray head module is preliminarily determined; and then, further adjusting the placement position of the spray head module by identifying the characteristic points on the first visual positioning piece (106) and the second visual positioning piece (107).
Further preferably, a nozzle mounting datum (102-1) is preferably arranged on the ink nozzle (102), and a reference datum feature (101-1) is correspondingly arranged on the bottom plate (101); during the installation process of the ink nozzle (102), the installation position precision is continuously adjusted preferably by adopting the following modes:
firstly, respectively rotating a first spiral micrometer (111) and a first spring (113) and a second spiral micrometer (112) and a second spring (114) which are used in a set, so that the parallelism and the like of the spray head installation datum (102-1) and the reference datum feature (101-1) meet requirements; then, the deviation between the nozzle installation datum (102-1) and the reference datum feature (101-1) is amplified and measured in real time by using a CCD camera, and then fine adjustment is continued so that the deviation is controlled within a design requirement range.
As a further preferred, the combination of the two sets of micrometer screws and springs described above preferably performs fine adjustment of the position and angle of the ink jet head in the following manner:
the second micrometer screw (112) is abutted against the position adjusting surface of the ink spray head (102), the second spring (114) is correspondingly abutted against the adjusting surface along the length direction of the ink spray head (102), a certain spring force is exerted on the ink spray head, and meanwhile, the micrometer screw is rotated to exert an abutting force on the ink spray head, so that the position deviation of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction, is finely adjusted through mutual matching; in addition, the micrometer screw (111) and the spring (113) are correspondingly arranged on the side surface of the ink jet head (102) in an inclination angle with the Y-axis direction, namely the horizontal transverse direction, and accordingly, the angular deviation of the ink jet head in the X-axis direction, namely the horizontal longitudinal direction is continuously finely adjusted in the same manner.
As a further preference, the above-mentioned back plate assembly (200) preferably effects automatic electrical docking/undocking and linear movement of the ink jet head in the X-axis direction, i.e. the horizontal longitudinal direction, in the following manner:
when the sprayer module is placed in place, an external force can be applied to the rear part of the rear plate (201), the external force enables the sprayer module to move along the positive direction of the X-axis direction through the tensioning block (205), when the rear plate sensor (203) detects that the sprayer module moves in place, the sprayer module is clamped through the tensioning block (205), and meanwhile, the female connector (202) of the electric connector and the air pipe interface (204) are automatically inserted and butted with an external circuit and an air circuit; when the sprayer module needs to be detached, the insertion butt joint with an external circuit and an air path is disconnected, a reverse external force is applied to the tensioning block (205) to loosen the sprayer module, and then the sprayer module moves along the negative direction of the X-axis direction until the female connector (202) of the electric connector and the air pipe interface (204) are automatically separated.
As a further preference, the front plate assembly (300) comprises a front plate (301), support blocks (302) and front plate pins (303), wherein the support blocks (302) are symmetrically arranged on the front plate (301), and the front plate pins (303) are respectively mounted on the support blocks; the front plate (301) is also provided with a first hook slotted hole (301-1) and a second hook slotted hole (301-2) which are used for being matched with the front plate pin (303) and driving the spray head module to do linear motion along the Z-axis direction, namely the vertical direction, by means of an external transfer device; in addition, the front plate (301) is provided with a long slot hole (301-3) for inserting a stabilizing head, thereby reducing the shaking amplitude of the spray head module during the movement process in the Z-axis direction.
As a further preference, the top plate assembly (400) preferably comprises a top plate (401), a handle (402), an ink injection hole (403) and a hole cover (404), wherein the handle (402) is mounted on the top plate (401) for manually taking the spray head module; the ink injection hole (403) is used for injecting ink into the spray head module, and the hole cover (404) is covered after the injection is finished to prevent the ink from volatilizing.
As a further preferred feature, the left sealing plate assembly (500) preferably comprises a left sealing plate (501) and a first heat dissipation fan (502), wherein the left sealing plate (501) has heat dissipation holes, and the first heat dissipation fan (502) is installed at one side, so as to effectively dissipate heat generated by the ink ejection head and the ejection head attachment (700); the right sealing plate assembly (600) preferably comprises a right sealing plate (601) and a second cooling fan (602), wherein the right sealing plate (601) is provided with cooling holes, and the second cooling fan (602) is installed on one side and is used for effectively cooling the control card of the sprayer.
Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:
1. the invention redesigns the whole structure composition and spatial layout of the integrated nozzle module structure, wherein not only a plurality of bottom plate components are adopted to jointly construct a frame type compact module structure design basis, but also special optimization improvement is made on the specific structures and arrangement modes of a plurality of key components, such as the bottom plate components, the rear plate components and the like, so that the nozzle module structure with convenient assembly and strong universality can be obtained correspondingly, and meanwhile, the free adjustment in the direction of three axes of XYZ is convenient to realize;
2. the invention also further carries out research and design on structural components related to the installation, position and angle deviation of the ink spray head, adjustment procedures thereof and the like, wherein the micrometer screw and the spring are respectively propped against the corresponding adjustment surfaces of the spray head, the micro-motion precision of the micrometer screw and the spring force of the spring can be fully utilized, the installation position of the spray head can be conveniently and rapidly finely adjusted, and the spray head can be finely adjusted from two directions by adopting two sets of structures; in addition, with the assistance of the CCD vision camera, the deviation between the reference datum characteristic and the spray head installation datum can be dynamically adjusted in real time, and the angle deviation and the position deviation of the spray head can be easily adjusted to be within a design range through a fine adjustment structure; after the spray head device moves in place, the spray head device is accurately placed in place through the primary positioning of the diagonal positioning pins and the corresponding slotted holes and the identification of the feature points through the upward-looking camera, so that a precision basis is provided for the subsequent horizontal movement;
3. the invention further optimizes the structural components and operation aspects of the spray head module which are related to the fast and automatic external butt joint electricity/gas, enables the spray head device to horizontally slide through external force, adopts design schemes such as an insertion force electric connector and the like, solves the problem that the spray head module device is automatically connected with external electricity/gas, and has the advantages of rapidness, simplicity and good effect; in addition, the hook is adopted to hook the spray head device, so that the spray head module can be ensured to realize stable transfer in the Z-axis direction, and meanwhile, collision caused by shaking is prevented;
4. the integrated nozzle module has reasonable overall structure layout, is convenient to realize free adjustment in the directions of XYZ three axes, can dynamically adjust the high-precision pose of the nozzle in real time, can be automatically and quickly connected with an external electrical connector, and the like, and is particularly suitable for application occasions such as manufacturing of ink-jet printing flexible devices.
Drawings
FIG. 1 is an exploded view of the overall construction of an integrated printhead module structure for inkjet printing constructed in accordance with the present invention;
FIGS. 2a and 2b are schematic structural views of a base plate assembly according to a preferred embodiment of the present invention;
FIG. 3 is a diagram illustrating an example of a related structure for fine tuning an ink jet head according to the present invention;
FIG. 4 is a schematic structural view of a back plate assembly in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic illustration of the construction of a front plate assembly in accordance with a preferred embodiment of the present invention;
FIG. 6 is a schematic structural view of a top plate assembly in accordance with a preferred embodiment of the present invention;
figure 7 is a schematic illustration of the construction of the left and right closure plate assemblies in accordance with a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is an exploded view of the overall construction of an integrated head module structure for inkjet printing constructed according to the present invention. As shown in fig. 1, the integrated head module structure takes the form of a frame module enclosed by a plurality of plate-shaped members, i.e., a bottom plate member 100, a rear plate member 200, a front plate member 300, a top plate member 400, a left sealing plate member 500, and a right sealing plate member 600, and has an ink head 102 and a head accessory 700 associated therewith disposed therein, and the functional elements will be described and explained in detail below.
As one of the key modifications of the present invention, the bottom plate assembly 100 is mainly used for mounting the ink nozzle 102 and performing precise positioning adjustment of the position and angle thereof during mounting. As shown in more detail in fig. 2a and 2b, the base plate assembly may include a base plate 101, an adapter plate 108, a showerhead control card 115, a first alignment pin 104, a second alignment pin 105, a first set of a first micrometer screw 111 and a first spring 113, a second set of a second micrometer screw 112 and a second spring 114, a bottom cover plate 103, a heater chip 109, a base plate sensor 110, and the like.
More specifically, the ink nozzle 102 is fixed on the lower side of the bottom plate 101 and is installed on the adapter plate 108, and is in signal communication with the nozzle control card 115; the first positioning pin 104 and the second positioning pin 105 are installed on the bottom plate 101 in a diagonal line, for example, and are used for preliminarily determining the placement position of the ink jet head 102 and guiding the linear motion of the ink jet head in the X-axis direction, i.e., the horizontal longitudinal direction; the first micrometer screw 111 and the first spring 113 are correspondingly arranged on the side surface of the ink nozzle 102 and are used for continuously and finely adjusting the angular deviation of the ink nozzle after the ink nozzle is placed in position, and the second micrometer screw 112 and the second spring 114 are correspondingly arranged in the length direction of the ink nozzle 102 and are used for continuously and finely adjusting the position deviation of the ink nozzle in the X-axis direction, namely the horizontal longitudinal direction; in addition, the bottom cover plate 103 is used to seal the ink ejection head and the associated head accessory 700, the heater chip 109 is used to heat the ink ejection head to a desired temperature, and the bottom plate sensor 110 is used to detect whether the position and angle of the mounted ink ejection head are accurately positioned.
According to a preferred embodiment of the present invention, as shown in fig. 3, the nozzle adjustment-related structure may include an adjustment structure for angular and positional deviations of the nozzle, which is a combination of two sets of micrometers and springs. Specifically, the micrometer screw is abutted against the adjusting surface of the spray head, the spring is abutted against the adjusting surface corresponding to the spray head, certain spring force is applied to the spray head when the spring is installed, when the micrometer screw is rotated to apply ejecting force to the spray head, the installation position of the spray head can be adjusted under the spring force action of the spring, meanwhile, the installation deviation of the spray head can be adjusted slightly by utilizing the precision of the micrometer screw, and the adjustment precision can be in the same precision grade as that of the micrometer screw.
In accordance with another preferred embodiment of the present invention, after the ink jet head 102 is mounted on the base plate 101, the head needs to be finely adjusted by an adjustment mechanism. The corresponding nozzle can have a nozzle installation standard 102-1, a reference standard feature 101-1 is arranged on the bottom plate 101, two sets of micrometer screws are respectively rotated by taking the reference standard feature 101-1 as a standard, and the requirements of parallelism and the like of the nozzle installation standard 102-1 and the reference standard feature 101-1 are adjusted to be qualified, so that the installation precision of the ink nozzle 102 meets the design requirement. After the spray head is installed, the spray head can be placed on an auxiliary adjusting base firstly, the deviation between the installation standard 102-1 of the spray head and the reference standard characteristic 101-1 can be observed and measured, in order to easily observe the measured deviation and the practicability of operation, a CCD camera can be preferably added on the characteristic to amplify the deviation between the two standards, the deviation can be measured in real time, and the deviation is controlled within the range of the design requirement by finely adjusting an adjusting mechanism according to the comparison between the measured deviation data and the design requirement.
Furthermore, according to still another preferred embodiment of the present invention, it is necessary to ensure the placement accuracy when the head unit is placed on the base and to ensure that the head unit is easily slid horizontally. Accordingly, in the present invention, the first side 101-2 and the second side 101-3 may be provided on the base plate 101 for supporting and sliding, and the head is placed, and is stably placed on the base through the two sides. The first positioning pin 104 and the second positioning pin 105 which are arranged in a diagonal line are matched with the positioning pin holes in the base in the process of being placed on the base, and the placement position of the spray head device is determined. Meanwhile, the upward-looking camera can automatically finely adjust the transfer device by automatically identifying the characteristic points of the first visual positioning piece 106 and the second visual positioning piece 107, so that the position precision of the spray head placed on the base can meet the design requirement.
As another key improvement of the present invention, the back plate assembly 200 is used to mount the showerhead module requiring an external electrical interface, and simultaneously perform a linear motion of the showerhead module along the X-axis direction, i.e., the horizontal longitudinal direction.
More specifically, as shown in fig. 4, the back plate assembly preferably includes a back plate 201, a female electrical connector 202, an air pipe interface 204, a tensioning block 205 and a back plate sensor 203, wherein the female electrical connector 202 and the air pipe interface 204 are respectively disposed on the upper portion of the back plate 201 and are respectively used for external electrical connection and air circuit connection of the showerhead module; the tension block 205 is disposed at a lower portion of the rear plate and coupled to the showerhead module, thereby serving to move the showerhead module linearly in an X-axis direction, i.e., a horizontal longitudinal direction, while clamping or releasing the showerhead module; the back plate sensor 203 is used for detecting whether the nozzle module moves in place in the X-axis direction.
According to a preferred embodiment of the present invention, the nozzle assembly is preferably designed to automatically electrically/pneumatically interface with the outside after being placed on the base, and is fast and accurate, without contact failure, air leakage, etc., and also requires automatic connection to an external power/gas circuit when the nozzle assembly is removed.
Correspondingly, after the shower nozzle module is placed, an external force is arranged at the rear part of the back plate 201, the external force pulls the shower nozzle module to move along the horizontal direction through the tensioning block 205, meanwhile, the back plate sensor 203 detects the horizontal moving distance, after the movement is detected in place, the shower nozzle module is tensioned, and the female connector 202 and the male connector of the electric connector with the optimal zero insertion force are automatically inserted and butted, rotationally locked, electrically communicated, the synchronous air pipe connector 204 is butted with an external air passage, and the air passage is communicated. When the nozzle module needs to be detached, the power/air is cut off firstly, the butted zero insertion force electric connector is reversely rotated and released, the female head and the male head of the zero insertion force electric connector are automatically cut off, a reverse external force is applied to the tensioning block 205, so that the nozzle module moves along the horizontal reverse direction, and the electric/air interface of the nozzle module is automatically separated from the outside.
In addition, the front plate assembly 300 is used to realize the linear motion of the nozzle module along the Z-axis direction, i.e., the vertical direction, and simultaneously prevent the influence caused by shaking; the top plate assembly 400 is used to provide an ink injection hole for providing ink injection to the head module; the left sealing plate assembly 500 and the right sealing plate assembly 600 are respectively provided with heat dissipation holes and are used for dissipating heat generated by the ink nozzle and other accessory elements; the showerhead attachment 700 is used to supply ink and gas to the showerhead module.
More specifically, as shown in fig. 5, the front plate assembly 300 may preferably include a front plate 301, a support block 302, and front plate pins 303, the assembly being mounted to the showerhead module through the front plate 301. The support block 302 may be mounted on one side of the front plate and the front plate pin 303 may be mounted on the support block 302. The spray head module can be accurately placed on the base through Z-direction transfer. The front plate 301 is provided with a first hook slot hole 301-1 and a second hook slot hole 301-2, hooks on the transfer device respectively penetrate through the first hook slot hole 301-1 and the second hook slot hole 301-2 to be hooked on the front plate pin 303, and the transfer device drives the spray head device to perform Z-direction transfer through the front plate pin 303. The spray head module can not shake in left and right/front and back in the process of Z-direction transfer to avoid influencing the placement precision and collision of the spray head module, the front plate 301 is provided with the long slotted hole 301-3, the stabilizing head is inserted into the long slotted hole 301-3 and matched with the long slotted hole 301-3, and the left and right shaking amplitude of the spray head module in the Z-direction transfer process is reduced. After the hook is hooked on the pin to lift the sprayer device, the bottom of the sprayer module can incline outwards, and the jacking block on the transfer device jacks the outer side surface of the front plate 301, so that the sprayer module can be prevented from inclining.
As shown in fig. 6, the ceiling assembly 400 preferably includes a ceiling 401, a handle 402, an ink filling hole 403, a hole cover 404, and the like. Wherein the assembly is mounted to the spray head device by a top plate 401. The handle 402 is mounted on the top plate 401 and used for manually taking the nozzle module, the injector 405 can fill ink into the ink system in the nozzle module through the ink injection hole 403, and after filling, the cover 404 is covered to prevent the ink from volatilizing.
In addition, as shown in fig. 7, the left sealing plate assembly 500 mainly includes a left sealing plate 501 and a first cooling fan 502, wherein the left sealing plate 501 has cooling holes, and the first cooling fan 502 is installed at one side and mainly used for cooling heat generated by the ink nozzle and the nozzle attachment 700 to keep the ink nozzle and the nozzle attachment in a designed working temperature environment; the right sealing plate assembly 600 mainly comprises a right sealing plate 601 and a second cooling fan 602, wherein the right sealing plate is provided with cooling holes, the second cooling fan 602 is installed on one side and corresponds to the nozzle control card, and the second cooling fan is mainly used for cooling the nozzle control card and preventing the control system from overheating to influence the ink jet effect of the nozzle.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An integrated nozzle module structure for inkjet printing, characterized in that the integrated nozzle module structure is in a frame-type module form formed by a plurality of plate-like components, namely, a bottom plate component (100), a rear plate component (200), a front plate component (300), a top plate component (400), a left sealing plate component (500) and a right sealing edge component (600), and an ink nozzle (102) and a nozzle attachment (700) matched with the ink nozzle (102) are arranged inside the frame-type module, wherein:
the bottom plate assembly (100) is used for installing the ink nozzle (102) and performing accurate positioning adjustment on the position and the angle of the ink nozzle (102) during installation; the bottom plate assembly (100) comprises a bottom plate (101), an adapter plate (108), a spray head control card (115), a first positioning pin (104), a second positioning pin (105), a first micrometer caliper (111) and a first spring (113) which are used in a set, a second micrometer caliper (112) and a second spring (114) which are used in a set, a bottom cover plate (103), a heating plate (109) and a bottom plate sensor (110);
the ink nozzle (102) is fixed on the lower side of the bottom plate (101) and is arranged on the adapter plate (108), and is in signal communication with the nozzle control card (115); the first positioning pin (104) and the second positioning pin (105) are arranged on the bottom plate (101) in a diagonal line mode and are used for preliminarily determining the placement position of the ink spray head (102) and guiding the linear motion of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction; the micrometer screw (111) and the spring (113) are correspondingly arranged on the side surface of the ink spray head (102) and are used for continuously and finely adjusting the angular deviation of the ink spray head after the ink spray head is placed in place, and the micrometer screw (112) and the spring (114) are correspondingly arranged in the length direction of the ink spray head (102) and are used for continuously and finely adjusting the position deviation of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction; in addition, the bottom cover plate (103) is used for sealing the ink nozzle and the nozzle accessory (700) matched with the ink nozzle, the heating sheet (109) is used for heating the ink nozzle to a required temperature, and the bottom plate sensor (110) is used for detecting whether the position and the angle of the mounted ink nozzle are accurately positioned;
the rear plate component (200) is used for realizing the installation of an external electrical interface required by the sprayer module and simultaneously executing the linear motion of the sprayer module along the X-axis direction, namely the horizontal longitudinal direction; the rear plate component comprises a rear plate (201), an electric connector female head (202), an air pipe interface (204), a tensioning block (205) and a rear plate sensor (203), wherein the electric connector female head (202) and the air pipe interface (204) are respectively arranged on the upper part of the rear plate (201) and are respectively used for the external electric connection and the air circuit connection of the sprayer module; the tensioning block (205) is arranged at the lower part of the rear plate and is connected with the sprayer module in a maintaining way, so that the sprayer module is driven to move linearly along the X-axis direction, namely the horizontal longitudinal direction, and the sprayer module is clamped or loosened at the same time; the rear plate sensor (203) is used for detecting whether the spray head module moves in place in the X-axis direction;
the front plate assembly (300) is used for realizing the linear motion of the spray head module along the Z-axis direction, namely the vertical direction, and simultaneously preventing the influence caused by shaking; the top plate assembly (400) is used for providing an ink filling hole for supplying ink to the spray head module; the left sealing plate assembly (500) and the right sealing edge assembly (600) are respectively provided with a heat dissipation hole and used for dissipating heat generated by the nozzle module and other accessory elements; further, the head attachment (700) is used for supplying ink and gas to the ink head.
2. The integrated showerhead module construction according to claim 1, wherein for the bottom plate assembly (100), the bottom plate (101) further comprises a first face (101-2), a second face (101-3), a first visual locator (106) and a second visual locator (107), and wherein the showerhead module is positioned in the base of the showerhead module by:
firstly, the first positioning pin (104) and the second positioning pin (105) which are arranged on the bottom plate (101) through diagonal lines are matched with the first surface, the second surface and the positioning pin holes on the base, so that the placement position of the spray head module is preliminarily determined; and then, further adjusting the placement position of the spray head module by identifying the characteristic points on the first visual positioning piece (106) and the second visual positioning piece (107).
3. The integrated showerhead module structure according to claim 2, wherein a showerhead mounting datum (102-1) is disposed on the ink showerhead (102), and a reference datum feature (101-1) is correspondingly disposed on the base plate (101); during the installation process of the ink nozzle (102), continuously adjusting the installation position precision of the ink nozzle (102) by adopting the following modes:
firstly, respectively rotating a first spiral micrometer (111) and a first spring (113) and a second spiral micrometer (112) and a second spring (114) which are used in a set, so that the parallelism of the spray head installation datum (102-1) and the reference datum feature (101-1) meets the requirement; then, the deviation between the nozzle installation datum (102-1) and the reference datum feature (101-1) is amplified and measured in real time by using a CCD camera, and then fine adjustment is continued so that the deviation is controlled within a design requirement range.
4. The integrated showerhead module according to claim 3, wherein two sets of the micrometer screw and spring combination perform fine adjustment of the position and angle of the ink showerhead in the following manner:
the second micrometer screw (112) is abutted against the position adjusting surface of the ink spray head (102), the second spring (114) is correspondingly abutted against the adjusting surface along the length direction of the ink spray head (102), a certain spring force is exerted on the ink spray head, and meanwhile, the micrometer screw is rotated to exert an abutting force on the ink spray head, so that the position deviation of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction, is finely adjusted through mutual matching; in addition, the micrometer screw device I (111) and the spring I (113) are correspondingly arranged on the side surface of the ink spray head (102) in an inclination angle with the Y-axis direction, namely the horizontal transverse direction, and are used for continuously finely adjusting the angle deviation of the ink spray head in the X-axis direction, namely the horizontal longitudinal direction after the ink spray head is placed in position.
5. The integrated type head module structure according to any one of claims 1 to 4, wherein the back plate assembly (200) performs automatic electrical docking/undocking and linear movement of the ink jet head in the X-axis direction, i.e., the horizontal longitudinal direction, in the following manner:
when the sprayer module is placed in place, an external force can be applied to the rear part of the rear plate (201), the external force enables the sprayer module to move along the positive direction of the X-axis direction through the tensioning block (205), when the rear plate sensor (203) detects that the sprayer module moves in place, the sprayer module is clamped through the tensioning block (205), and meanwhile, the female connector (202) of the electric connector and the air pipe interface (204) are automatically inserted and butted with an external circuit and an air circuit; when the sprayer module needs to be detached, the insertion butt joint with an external circuit and an air path is disconnected, a reverse external force is applied to the tensioning block (205) to loosen the sprayer module, and then the sprayer module moves along the negative direction of the X-axis direction until the female connector (202) of the electric connector and the air pipe interface (204) are automatically separated.
6. The integrated showerhead module structure according to any of claims 1 to 4, wherein the front plate assembly comprises a front plate (301), support blocks (302) and front plate pins (303), wherein the support blocks (302) are symmetrically disposed on the front plate (301), the front plate pins (303) being mounted on the support blocks, respectively; the front plate (301) is also provided with a first hook slotted hole (301-1) and a second hook slotted hole (301-2) which are used for being matched with the front plate pin (303) and driving the spray head module to do linear motion along the Z-axis direction, namely the vertical direction, by means of an external transfer device; in addition, the front plate (301) is provided with a long slot hole (301-3) for inserting a stabilizing head, thereby reducing the shaking amplitude of the spray head module during the movement process in the Z-axis direction.
7. The integrated showerhead module structure according to any of claims 1 to 4, wherein the top plate assembly (400) comprises a top plate (401), a handle (402), an ink injection hole (403), and a hole cover (404), wherein the handle (402) is mounted on the top plate (401) for manually handling the showerhead module; the ink injection hole (403) is used for injecting ink into the spray head module, and the hole cover (404) is covered after the injection is finished to prevent the ink from volatilizing.
8. The integrated showerhead module structure according to any of claims 1-4, wherein the left sealing plate assembly (500) comprises a left sealing plate (501) and a first heat dissipation fan (502), wherein the left sealing plate (501) has heat dissipation holes, the first heat dissipation fan (502) is installed at one side for effectively dissipating heat generated from the ink showerhead and the showerhead attachment (700); the right sealing edge assembly (600) comprises a right sealing plate (601) and a second cooling fan (602), wherein the right sealing plate (601) is provided with cooling holes, and the second cooling fan (602) is installed on one side and is used for effectively cooling the control card of the spray head.
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| CN111572201B (en) * | 2020-05-12 | 2022-01-28 | 广东思谷智能技术有限公司 | Bearing mechanism for spray head module for printing display |
| CN111716921B (en) * | 2020-07-27 | 2024-11-08 | 无锡市宸豪科技有限公司 | A nozzle angle adjustable mechanism based on inkjet printing |
| CN113619283A (en) * | 2021-07-15 | 2021-11-09 | 浙江工平智能设备有限公司 | Array type spray head system and spray head installation method |
| CN114261204B (en) * | 2021-12-08 | 2022-09-30 | 北京中电元德科技有限责任公司 | Ink-jet printing device |
| CN115782418B (en) * | 2022-12-26 | 2023-06-13 | 武汉国创科光电装备有限公司 | Ink-jet printing large-size substrate posture correction and transfer system |
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