TWM624568U - Printer inkjet head cleaning system with partition plate - Google Patents

Abstract

The disclosure is related to a printer inkjet head cleaning system with a partition plate for capping and cleaning an inkjet head. The inkjet head includes a plurality of inkjet holes, and the cleaning system includes a base, a platform, a driving element, and a partition plate mechanism. The platform is arranged on the base, and includes a capping portion spatially corresponding to the inkjet head. The driving element is disposed on the base, and configured to drive the platform to attach to or separate away from the inkjet head. The partition plate mechanism is disposed on the base and includes a partition plate and an actuating element. The partition plate is spatially corresponding to and located between the capping portion and the inkjet head, and includes a partition portion and a hollow portion. The actuating element selectively moves the partition plate. When the driving element drives the platform to attach to the inkjet head, the partition portion is at least partially sandwiched between the capping portion and the inkjet head, and a part of the plurality of inkjet holes are covered by the partition portion, and the rest part of the plurality of inkjet holes are in fluid communication with the capping portion through the hollow portion.

Description

Printer inkjet head cleaning system with baffle plate

This case is about an inkjet head cleaning system of a printing machine, especially a printing inkjet head cleaning system with a blocking plate, so as to improve the effect of dredging the nozzle holes and reduce the consumption and loss of ink.

In recent years, the requirements for printing quality of inkjet printers have been increasing day by day. Although ink dots are getting smaller as resolution increases, inkjet printers still need to meet the demands of high-speed printing. In this case, the cleaning of the spray head is significantly more important. The main function of the cleaning mechanism (Clean System) is to clean and protect the nozzles to maintain the printing quality of the inkjet printer.

When the nozzles of the inkjet printer are cleaned, the surface of the nozzles needs to be covered by the head structure of the cleaning system, and then pumped by the motor to discharge the ink from the nozzle holes of the nozzles. The blocked nozzle holes can be unclogged under the powerful extraction action of the motor.

However, a plurality of nozzle holes are arranged on the surface of the nozzle. When a few nozzle holes are dredged by motor suction, a large amount of ink will flow out from the other nozzle holes, which consumes a lot of ink. On the other hand, when the motor is pumping, the ink will preferentially flow out from the unclogged nozzle holes, and the blocked nozzle holes will share a smaller pumping force, reducing the effect of cleaning and dredging.

Therefore, how to develop an inkjet head cleaning system with a blocking plate to improve the effect of dredging the nozzle holes and reduce the consumption and loss of ink, and to solve the problems faced by the prior art, is an urgent problem to be solved in the art.

The purpose of the present application is to provide an inkjet head cleaning system with a barrier plate. In the inkjet head cleaning system of the printer, the number of nozzle holes of the nozzle can be selectively covered or exposed by the movement control of the blocking plate, so as to block the nozzle holes to reduce the outflow of ink, or reduce the number of outflow nozzle holes and increase the suction force. And achieve the purpose of dredging the blocked nozzle. Since a plurality of nozzle holes of the print head can know the distribution area of the blocked nozzle holes through the printing test, the blocking part and the hollow part on the blocking plate can be respectively controlled and displaced to correspond to the unclogged nozzle area and the blocked nozzle holes. area. Thereby, when the capping part covers the nozzle through the blocking plate and cleans it by suction, the unclogged nozzle area is covered by the blocking part, which can reduce the number of nozzles through which the ink flows out, and at the same time increase the suction force for the blocked nozzles. , to further improve the efficiency of cleaning operations.

Another object of the present application is to provide a printing inkjet head cleaning system with a blocking plate. For the cleaning system with dual nozzle design, the blocking part and the hollow part are alternately arranged to form a circular blocking plate, and the nozzle holes in different areas can be selectively covered or exposed by rotating the blocking plate. The blocking part is made of, for example, an EPDM (Ethylene Propylene Diene Monomer, EPDM) film, sandwiched between the cover sealing part and the nozzle, which can effectively cover the nozzle hole so as not to communicate with the cover sealing part. When the blocked orifice area is connected to the cover through the hollow part, and the unclogged orifice area is covered by the blocking part, then during the cleaning operation, the outflow of ink from the unclogged orifice can be reduced, and the blockage of the nozzle can be increased. The suction force of the hole further improves the efficiency of the cleaning operation.

In order to achieve the aforementioned purpose, the present application provides an inkjet head cleaning system for a printer, which is used to cover and clean at least one nozzle, at least one nozzle includes a plurality of nozzle holes, and the printer inkjet head cleaning system includes a base, a stack , drive and baffle plate mechanism. The platform is arranged on the base, and includes at least one cover and sealing portion relative to at least one spray head in space. The driver is arranged on the base, and the assembled driving platform is close to or away from at least one spray head. The blocking plate mechanism is arranged on the base and includes a blocking plate and an actuating member. The blocking plate is relatively spatially located between the at least one cover portion and the at least one nozzle, and includes a blocking portion and a hollow portion. The actuating member selectively moves the blocking plate, so that when the driver drives the platform to approach the at least one spray head, the blocking portion is at least partially sandwiched between the at least one cover portion and the at least one spray head, and a part of the plurality of spray holes is blocked The other parts of the plurality of spray holes are connected to at least one cover and sealing part through the hollow part.

In one embodiment, the printer inkjet head cleaning system further includes a suction device connected to the at least one capping portion, and when the blocking portion is at least partially sandwiched between the at least one capping portion and the at least one nozzle, Perform a cleaning operation by suction.

In one embodiment, at least one cover sealing portion includes a first cover sealing portion and a second cover sealing portion, which are arranged in parallel with each other, wherein at least one spray head includes a first spray head and a second spray head, respectively opposite to the first spray head. The cover sealing part and the second cover sealing part, wherein the blocking plate is circular and includes a rotating shaft, the rotating shaft is arranged in the center of the first cover sealing part and the second cover sealing part, the blocking part and the hollow part surround the rotating shaft and are arranged staggered with each other .

In one embodiment, the blocking plate mechanism further includes a gear set pivotally connected to the platform and connected to the rotating shaft of the blocking plate, and the actuating member drives the blocking plate to rotate around the rotating shaft through the gear set, so as to drive the platform by the driver. When approaching the first spray head and the second spray head, the blocking portion is at least partially sandwiched between the first cover sealing portion and the first spray head and/or between the second cover sealing portion and the second spray head.

In one embodiment, the rotating shaft includes a meshing member, the outer peripheral wall of the rotating shaft protrudes outward in the radial direction, and the gear set includes an accommodating portion and a meshing groove, and the accommodating portion is spatially opposite to the rotating shaft and is assembled and accommodated. The rotating shaft is placed, and the engaging groove is arranged on the accommodating portion, and the engaging groove is spatially opposite to the engaging piece. When the rotating shaft is accommodated in the accommodating portion, the engaging piece and the engaging groove are detachably connected and engaged.

In one embodiment, the blocking plate mechanism further includes an elastic member disposed between the rotating shaft and the accommodating portion, and providing an elastic force when the rotating shaft is accommodated in the accommodating portion.

In one embodiment, when the blocking plate is in an initial position, the blocking portion is dislocated from the first cover sealing portion and the second cover sealing portion. When the platform is close to the first spray head and the second spray head, the blocking part is at least partially sandwiched between the first cover sealing part and the first spray head and/or between the second cover sealing part and the second spray head.

In one embodiment, the plurality of nozzle holes are arranged in one direction, the blocking portion and the hollow portion are alternately arranged in the direction, and the actuating member selectively moves the blocking plate in the direction.

In one embodiment, when the blocking plate is in an initial position, the blocking portion and the at least one cover sealing portion are dislocated. When the actuating member drives the blocking plate to displace in a direction and the driver drives the platform to be close to the at least one nozzle, the blocking portion is at least one of the nozzles. The part is sandwiched between at least one cover sealing part and at least one spray head.

In one embodiment, the blocking portion of the blocking plate is formed of an EPDM (Ethylene Propylene Diene Monomer, EPDM) film.

Some typical embodiments embodying the features and advantages of the present case will be described in detail in the description of the latter paragraph. It should be understood that this case can have various changes in different aspects, all of which do not depart from the scope of this case, and the descriptions and drawings therein are essentially for illustration purposes, rather than for limiting this case. For example, if the following content of the present disclosure describes that a first feature is disposed on or above a second feature, it means that it includes an embodiment in which the first feature and the second feature are in direct contact, Also included are embodiments in which additional features may be placed between the first and second features, so that the first and second features may not be in direct contact. Additionally, repeated reference symbols and/or labels may be used in different embodiments of the present disclosure. These repetitions are for the purpose of simplicity and clarity, and are not intended to limit the relationships between the various embodiments and/or the appearance structures. Furthermore, for convenience in describing the relationship of one component or feature to another (plural) component or (plural) feature in the drawings, spatially relative terms such as "under", "below", "Lower", "upper", "upper" and similar terms, and the like. In addition to the orientation depicted in the figures, spatially relative terms are used to encompass different orientations of the device in use or operation. The device may also be otherwise oriented (eg, rotated 90 degrees or at other orientations) and the description of the spatially relative terms used interpreted accordingly. Also, when an element is referred to as being "connected" or "coupled to" another element, it can be directly connected or coupled to the other element or intervening elements may be present. Notwithstanding that the numerical ranges and parameters of the broad scope of the disclosure are approximations, the numerical values are set forth as precisely as possible in the specific examples. In addition, it will be understood that although terms such as "first", "second", "third", etc. may be used in the scope of the patent application to describe various components, these components should not be limited by these terms , these components correspondingly described in the embodiments are represented by different component symbols. These terms are used to distinguish different components. For example, a first component could be termed a second component, and similarly, a second component could be termed a first component without departing from the scope of the embodiments. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Except in operating/working examples, or unless expressly stated otherwise, all numerical ranges, amounts, values, and percentages disclosed herein (eg, those percentages of angles, time durations, temperatures, operating conditions, amount ratios, and the like) etc.) should be understood to be modified by the word "about" or "substantially" in all examples. Accordingly, unless indicated to the contrary, the numerical parameters set forth in the present disclosure and the appended claims are approximations that may vary as desired. For example, each numerical parameter should be construed in light of at least the number of significant digits stated and by applying ordinary rounding principles. A range may be expressed herein as from one endpoint to the other or between the two endpoints. All ranges disclosed herein include endpoints unless otherwise specified.

FIG. 1 is a schematic diagram showing the structure of a printer including a baffle plate cleaning system according to the first embodiment of the present application. FIG. 2 and FIG. 3 are schematic diagrams showing the structure of the cleaning system with the baffle plate and the corresponding print head of the printing machine according to the first embodiment of the present application. FIG. 4 and FIG. 5 are exploded views showing the cleaning system with the barrier plate according to the first embodiment of the present application. FIG. 6 is a perspective view showing the blocking plate mechanism of the first embodiment of the present application. In this embodiment, the printer inkjet head cleaning system 2 (hereinafter referred to as the cleaning system) is, for example, applied to clean the inkjet system 3 of the printer 1 to cover at least one nozzle 11a, 11b of the inkjet system 3 Afterwards, the cleaning of the plurality of nozzle holes 111a and 111b is performed by means of suction. It should be emphasized that the cleaning system 2 of the present application is not limited to the inkjet system 3 of the printer 1, and the multi-orifice nozzles that can be selectively capped by the cleaning system 2 of the present application are all applicable to the technology of the present application.

In this embodiment, the cleaning system 2 is, for example, constructed on the frame 9 of the printer 1 to correspond to at least one nozzle 11 a and 11 b on the inkjet system 3 . In this embodiment, at least one nozzle 11a, 11b is, for example, a printing nozzle of the ink cartridge 10a, 10b, carried on an ink carriage 30, and includes a plurality of nozzle holes 111a, 111b arranged along the Y-axis direction. The ink carriage seat 30 is slidably arranged on a slide rail 31 . The ink carriage 30 slides, for example, along the X-axis direction. The at least one nozzle 11a, 11b includes, for example, a plurality of nozzles 11a, 11b arranged side by side along the X-axis direction and exposed on the bottom surface of the ink carriage 30. In this embodiment, the cleaning system 2 includes a base 20 , a platform 21 , a driver 22 and a blocking plate mechanism 4 . The stacking platform 21 is, for example, an ink stack, which is disposed on the base 20 and includes a first capping portion 21a and a second capping portion 21b, and the first capping portion 21a and the second capping portion 21b are in space They are respectively opposite to the first nozzle 11a and the second nozzle 11b. It should be noted that the number and corresponding arrangement positions of the first nozzle 11a, the second nozzle 11b, the plurality of nozzle holes 111a, 111b, and the first and second cover parts 21a and 21b can be adjusted according to actual application requirements. Not limited to this.

In this embodiment, the driver 22 is, for example, a stepper motor, which is arranged on the base 20 and is connected to the pallet 21 through a gear set (not shown), so as to be assembled and driven to move the pallet 21 in the Z-axis direction, so that the pallet is moved. The first cover sealing portion 21a and the second cover sealing portion 21b on 21 are close to or away from the first spray head 11a and the second spray head 11b. In this embodiment, the blocking plate mechanism 4 is disposed on the base 20 and includes a blocking plate 41 , a gear set 42 , an elastic member 43 and an actuating member 44 . The blocking plate 41 is, for example, circular, and is spatially located between the first capping portion 21a and the first shower head 11a and between the second capping portion 21b and the second shower head 11b. The blocking plate 41 includes a blocking portion 411 , a hollow portion 412 , and a rotating shaft 413 . The blocking portion 411 and the hollow portion 412 surround the rotating shaft 413 and are staggered. In this embodiment, the rotating shaft 413 of the blocking plate 41 is disposed at the center of the first cover sealing portion 21 a and the second cover sealing portion 21 b , so that the first cover sealing portion 21 a and the second cover sealing portion 21 b fall on the baffle plate 41 . covered. Therefore, when the driver 22 drives the platform 21 to approach the first nozzle 11a and the second nozzle 11b, the blocking plate 41 can be selectively rotated, so that the blocking portion 411 is at least partially sandwiched between the first cover portion 21a and the first nozzle 11a between and/or the second capping portion 21b and the second spray head 11b. A part of the plurality of nozzle holes 111a of the first nozzle 11a and the plurality of nozzle holes 111b of the second nozzle 11b are covered by the blocking part 411, and the plurality of nozzle holes 111a of the first nozzle 11a and the plurality of nozzle holes 111b of the second nozzle 11b The rest of the spray holes 111b communicate with the first cover sealing portion 21a and the second cover sealing portion 21b through the hollow portion 412 .

In this embodiment, the gear set 42 is, for example, pivotally connected to the pallet 21 and connected to the rotating shaft 413 of the blocking plate 41 , and the actuating member 44 drives the blocking plate 42 to rotate around the rotating shaft 413 through the gear set 42 , so as to drive the driver 22 to rotate. When the platform 21 is driven to be close to the first spray head 11a and the second spray head 11b, the blocking portion 411 is at least partially sandwiched between the first cover sealing portion 21a and the first spray head 11a and/or the second cover sealing portion 21b and the second cover sealing portion 21b. between the nozzles 11b. In addition, in this embodiment, the rotating shaft 413 includes an engaging member 414, the outer peripheral wall of the rotating shaft 413 protrudes radially outward, and the gear set 42 includes an accommodating portion 421, an engaging groove 422 and a screw 423 for accommodating The accommodating portion 421 is spatially opposite to the rotating shaft 413 and is configured to accommodate the rotating shaft 413 . The engaging groove 422 is disposed on the accommodating portion 421 , and the engaging groove 422 is spatially opposite to the engaging member 414 on the rotating shaft 413 . The screw 423 pivots the gear set 42 to the pallet 21 through the accommodating portion 421 . When the rotating shaft 413 is accommodated in the accommodating portion 421 , the engaging member 414 and the engaging groove 422 are detachably connected and engaged. In this embodiment, the blocking plate mechanism 4 further includes an elastic member 43 , such as a telescopic spring, disposed between the rotating shaft 413 and the accommodating portion 421 to provide an elastic force when the rotating shaft 413 is accommodated in the accommodating portion 421 . , so that the engaging piece 414 and the engaging groove 422 are engaged with each other, and provide a buffer force during the cover sealing operation. Matching the shape of the guide groove of the engaging groove 422 , when the rotating shaft 413 is accommodated in the accommodating portion 421 and the blocking plate 41 rotates to a set angle, the elastic force of the elastic member 43 makes the engaging member 414 engage with the engaging groove 422 . During the cover sealing operation, the elastic force of the elastic member 43 acts more between the blocking plate 41 and the gear set 42 . In this embodiment, when the driver 22 drives the platform 21 to be close to the first nozzle 11a and the second nozzle 11b to perform the capping operation, the first capping portion 21a is in contact with the first nozzle 11a and the second capping portion 21b is in contact with the first nozzle 11a. After the two nozzle heads 11b contact each other, they will interfere with each other to generate a compression stroke. For example, a compression stroke of about 2 mm is generated in the Z-axis direction, so as to ensure that the first cover sealing part 21a completely covers the first nozzle head 11a and the second cover sealing part 21b completely covers The second nozzle 11b is sealed to facilitate the cleaning operation. If the first capping portion 21a is in contact with the first nozzle 11a and the second capping portion 21b and the second nozzle 11b are displaced from each other in the Z-axis direction, they will not interfere with each other, and the elastic force of the elastic member 43 makes the engaging member 414 Engaged with the engagement groove 422, the compression stroke is not performed. On the other hand, the compression stroke may affect the engagement of the engagement piece 414 with the engagement groove 422. Therefore, the shape of the guide groove designed for the engagement groove 422 can provide enough space in the Z-axis direction to ensure that the engagement piece 414 and the engagement groove 422 are engaged after the compression stroke. remain engaged with each other. When the capping operation is completed, the first capping part 21a is in contact with the first nozzle 11a and the second capping part 21b and the second nozzle 11b are separated from each other, the elastic force of the elastic member 43 resets the blocking plate 41, and the structure compresses the stroke and engages The member 414 and the engaging groove 422 are engaged with each other, and the actuating member 44 can drive the blocking plate 41 to rotate around the rotating shaft 413 . Of course, in other embodiments, the compression stroke may be adjusted according to actual application requirements. In other words, in this embodiment, the blocking plate 41 of the blocking plate mechanism 4 can also provide a compression structure through the combination of the rotating shaft 413, the engaging member 414, the accommodating portion 421, the engaging groove 422 and the elastic member 43, and synchronize after engaging. rotating structure. In one embodiment, the gear set 42 can be omitted, and the blocking piece 41 can be directly rotated by the actuating member 44 to achieve the effect of selectively moving the blocking piece 41 . In other embodiments, the manner in which the actuating member 44 selectively moves the blocking sheet 41 can be adjusted according to actual application requirements, which is not limited in this case.

FIG. 7A shows a top view of the cleaning system of the first embodiment of the present application when it operates in an initial position. FIG. 7B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 7A. FIG. 8A shows a top view of the blocking plate in FIG. 7 after being rotated by an angle counterclockwise. FIG. 8B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 8A. FIG. 9A shows a top view of the blocking plate in FIG. 7 after being rotated by an angle clockwise. FIG. 9B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 9A. In this embodiment, as shown in FIG. 7A , when the blocking plate 41 is in an initial position, the blocking portion 411 and the first cover sealing portion 21 a and the second cover sealing portion 21 b are all misaligned, and the first cover sealing portion 21 a and the The first nozzle 11a, the second cover portion 21b and the second nozzle 11b are opposite to the hollow portion 412 . When the driver 22 drives the first capping portion 21a, the first nozzle head 11a and the second capping portion 21b on the platform 21 to be close to the first nozzle head 11a and the second nozzle head 11b to perform the capping operation, the number of complex numbers of the entire area of the first nozzle head 11a Each nozzle hole 111a communicates with the first cover sealing portion 21a through the hollow portion 412, and the plurality of nozzle holes 111b in the entire area of the second nozzle 11b communicates with the second cover sealing portion 21b through the hollow portion 412, as shown in FIG. 7B. In one embodiment, as shown in FIG. 8A , when the actuating member 44 drives the blocking plate 41 to rotate from the initial position with the rotation shaft 413 as the center, an angle, such as counterclockwise 60∘, is obtained. When the driver 22 drives the first capping part 21a, the first nozzle 11a and the second capping part 21b on the platform 21 to be close to the first nozzle 11a and the second nozzle 11b to perform the capping operation, the upper half area of the first nozzle 11a is closed. The plurality of nozzle holes 111a communicate with the first cover sealing portion 21a through the hollow portion 412, and the plurality of nozzle holes 111b in the lower half region of the second nozzle 11b communicate with the second cover seal portion 21b through the hollow portion 412, as shown in FIG. 8B Show. In another embodiment, as shown in FIG. 9A , when the actuating member 44 drives the blocking plate 41 to rotate from the initial position with the rotation shaft 413 as the center, for example, 60∘ clockwise. When the driver 22 drives the first capping part 21a, the first nozzle 11a and the second capping part 21b on the platform 21 to be close to the first nozzle 11a and the second nozzle 11b to perform the capping operation, the lower half area of the first nozzle 11a is closed. The plurality of nozzle holes 111a communicate with the first cover sealing portion 21a through the hollow portion 412, and the plurality of nozzle holes 111b in the upper half region of the second nozzle 11b communicate with the second cover seal portion 21b through the hollow portion 412, as shown in FIG. 9B Show. In other embodiments, the area and proportion covered by the blocking portion 411 and the hollow portion 412 can be adjusted according to actual application requirements, which is not limited in this application. It is worth noting that by selectively moving the blocking plate 41 through the actuating member 44, when the driver 22 drives the platform 21 to approach the first nozzle 11a and the second nozzle 11b, the blocking portion 411 can be at least partially sandwiched between the first cover seal between the portion 21a and the first shower head 11a and/or between the second capping portion 21b and the second shower head 11b.

In this embodiment, the cleaning system 2 further includes a suction device 5, which is connected to the first cover sealing part 21a and the second cover sealing part 21b, and the blocking part 41 is at least partially sandwiched between the first cover sealing part 21a and the second cover sealing part 21b. Between a nozzle 11a and/or between the second cover portion 21b and the second nozzle 11b, the suction device 5 can perform the cleaning operation of the first nozzle 11a and the second nozzle 11b by suction. FIG. 10 is a schematic diagram showing that the blocking plate is partially covered and cleaned. For example, the blocking portion 411 is at least partially sandwiched between the second capping portion 21b and the second spray head 11b. Refer to Figures 9A, 9B, and 10. When the printing test shows that the plurality of nozzle holes 111b in the upper half area of the second nozzle 11b are blocked by the ink sticks 101, the blocking plate 41 is formed by interlacing the blocking portion 411 and the hollow portion 412 with each other to form a circular blocking plate 41. The blocking plate 41 selects the plurality of nozzle holes 111b covering the lower half of the second nozzle 11b, so that the plurality of nozzle holes 111b in the upper half of the second nozzle 11b can communicate with the second cover portion 21b through the hollow portion 412 . In the present embodiment, the blocking portion 411 is formed of, for example, an ethylene propylene propylene diene monomer (EPDM) film. When sandwiched between the second capping portion 21b and the second nozzle 11b, the blocking portion 411 can effectively cover the lower portion of the film. The plurality of injection holes 111b in the half area are not communicated with the second capping portion 21b. Since the plurality of nozzle holes 111b in the upper half area where the ink sticks 101 are located are communicated to the second cover portion 21b through the hollow part 412, and the plurality of nozzle holes 111b in the lower half area are covered by the blocking part 411, suction is performed during the cleaning operation. At this time, the outflow of the ink 100 from the plurality of orifices 111b in the unblocked lower half area can be reduced, and the suction force for the plurality of orifices 111b in the upper half area where the ink stick 101 is located can be increased, thereby further improving the cleaning efficiency.

In addition, it should be noted that when the driver 22 drives the stage 21 to be close to the first nozzle 11a and the second nozzle 11b, the blocking plate 41 can be selectively moved by the actuating member 44, so that the blocking portion 411 and the hollow portion 412 can be in different proportions It is sandwiched between the first cover sealing portion 21a and the first shower head 11a and between the second cover sealing portion 21b and the second shower head 11b. In this embodiment, after the blocking plate 41 is rotated 60 degrees clockwise or counterclockwise from the initial position, 50% of the plurality of nozzle holes 111a of the first nozzle hole 11a and the plurality of nozzle holes 111b of the second nozzle head are respectively blocked. The part 411 is covered, and 50% is exposed through the hollow part 412 . In other implementations, the plurality of nozzle holes 111 a of the first nozzle hole 11 a and the plurality of nozzle holes 111 b of the second nozzle head can be changed by adjusting the arrangement of the blocking portion 411 and the hollow portion 412 in the blocking sheet 41 or the rotation angle of the blocking sheet 41 . The proportion covered by the blocking part 411 and the proportion exposed through the hollow part 412 . This case is not limited to this and will not be repeated here.

FIG. 11 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in the first state. FIG. 12 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in the second state. FIG. 13 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in a third state. FIG. 14 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in a fourth state. FIG. 15 is a schematic diagram showing that the barrier plate mechanism with the barrier plate cleaning system according to the second embodiment of the present application operates in a fifth state. In this embodiment, the cleaning system 2 a is similar to the cleaning system 2 shown in FIGS. 1 to 5 , and the same component numbers represent the same components, structures and functions, which will not be repeated here. In this embodiment, the plurality of nozzle holes 111a of the first nozzle 11a and the plurality of nozzle holes 111b of the second nozzle 11b are arranged in one direction, for example, along the Y-axis direction. The blocking portions 411 a and the hollow portions 412 a of the first blocking sheet 41 a are staggered in the same direction (ie, the Y-axis direction), are elongated, and are spatially opposite to the first cover sealing portion 21 a. The blocking portion 411b and the hollow portion 412b of the second blocking sheet 41b are staggered in the same direction (ie, the Y-axis direction), are elongated, and are spatially opposite to the first capping portion 21a. Different from the rotating actuation of the blocking piece 41 in the previous embodiment, in this embodiment, the first blocking piece 41a and the second blocking piece 41b are disposed separately, and can be displaced in the Y-axis direction when actuated by the actuating member 44a . As shown in FIG. 11, in an initial position, the first blocking portion 411a and the first capping portion 21a are dislocated, and the second blocking portion 411b and the second capping portion 21b are dislocated. At this time, the first cover sealing portion 21a communicates with the first spray hole 11a through the hollow portion 412a for cleaning operation; and the second cover sealing portion 21b communicates with the second spray hole 11b through the hollow portion 412b for cleaning operation.

As shown in FIG. 12, when the actuator 44a drives the first blocking plate 41a to displace along the Y-axis direction, and the driver 22 drives the platform 21 to be close to the first nozzle 11a and the second nozzle 11b, the first blocking plate 41a can be moved The blocking portion 411a is at least partially sandwiched between the first capping portion 21a and the first spray head 11a. At this time, only the lower half of the first cover sealing portion 21a is communicated with the first nozzle 11a through the hollow portion 412a for cleaning operation; while the second cover sealing portion 21b is communicated with the second nozzle 11b through the hollow portion 412b for cleaning operation .

In one embodiment, as shown in FIG. 13, when the actuator 44a drives the first blocking plate 41a to displace in the reverse Y-axis direction, and the driver 22 drives the platform 21 to approach the first nozzle 11a and the second nozzle 11b, it can be The blocking portion 411a of the first blocking sheet 41a is at least partially sandwiched between the first capping portion 21a and the first shower head 11a. At this time, only the upper half of the first cover sealing portion 21a is communicated with the first nozzle 11a through the hollow portion 412a for cleaning operation; while the second cover sealing portion 21b is communicated with the second nozzle head 11b through the hollow portion 412b for cleaning operation .

In an embodiment as shown in FIG. 14, when the actuator 44a drives the second blocking plate 41b to displace along the Y-axis direction, and the driver 22 drives the platform 21 to be close to the first nozzle 11a and the second nozzle 11b, the The blocking portion 411b of the second blocking sheet 41b is at least partially sandwiched between the second capping portion 21b and the second shower head 11b. At this time, the first cover sealing portion 21a is connected to the first nozzle 11a through the hollow portion 412a for cleaning operation; and only the upper half of the second cover sealing portion 21b is connected to the second nozzle 11b through the hollow portion 412b for cleaning operation.

In one embodiment, as shown in FIG. 15, when the actuator 44a drives the second blocking plate 41b to displace in the reverse Y-axis direction, and the driver 22 drives the platform 21 to approach the first nozzle 11a and the second nozzle 11b, it can be The blocking portion 411b of the second blocking sheet 41b is at least partially sandwiched between the second capping portion 21a and the second shower head 11b. At this time, the first cover portion 21a communicates with the first nozzle 11a through the hollow portion 412a for cleaning operation; and only the lower half of the second cover portion 21b communicates with the second nozzle 11b through the hollow portion 412b for cleaning.

In one embodiment, as shown in FIG. 16, when the actuating member 44a drives the first blocking plate 41a and the second blocking plate 41b to displace in the Y-axis direction respectively, and the driver 22 drives the platform 21 to approach the first nozzle 11a and the first nozzle 11a and the second blocking plate 41b respectively. When there are two shower heads 11b, the barrier portion 411a of the first barrier sheet 41a can be at least partially sandwiched between the first cover portion 21a and the second shower head 11a, and the barrier portion 411b of the second barrier sheet 41b can be at least partially sandwiched between Between the second capping portion 21b and the second head 11b. At this time, only the lower half of the first cover sealing portion 21a is connected to the first nozzle 11a through the hollow portion 412a for cleaning operation; and only the lower half of the second cover sealing portion 21b is connected to the second nozzle 11b through the hollow portion 412b for cleaning. Carry out cleaning work.

In one embodiment, as shown in FIG. 17, when the actuating member 44a drives the first blocking plate 41a and the second blocking plate 41b to displace in the opposite Y-axis direction, respectively, and the driver 22 drives the platform 21 to approach the first nozzle 11a and the When the second shower head 11b is used, the barrier portion 411a of the first barrier sheet 41a can be at least partially sandwiched between the first cover portion 21a and the second shower head 11a, and the barrier portion 411b of the second barrier sheet 41b can be at least partially sandwiched. between the second cover portion 21b and the second spray head 11b. At this time, only the upper half of the first cover sealing portion 21a is connected to the first nozzle 11a through the hollow portion 412a for cleaning operation; and only the upper half of the second cover sealing portion 21b is connected to the second nozzle 11b through the hollow portion 412b for cleaning. Carry out cleaning work.

In this embodiment, the actuating member 44a may be, for example, any actuating device that can selectively move the first blocking plate 41a and the second blocking plate 41b to displace along the Y-axis direction, which is not limited in this application. Since the first baffle plate 41a and the second baffle plate 41b are disposed separately, the positions of the first baffle plate 41a and the second baffle plate 41b in the Y-axis direction are controlled by the actuating member 44a to selectively cover or expose the first nozzle. The number of nozzle holes 11a and the second nozzle 11b can block the nozzle holes 111a, 111b to reduce the outflow of the ink 110, and also help to increase the suction force to achieve the purpose of clearing the nozzle holes 111a, 111b blocked by the ink stick 101, and further improve the cleaning performance of work. Of course, this case is not limited to this.

To sum up, the present application provides an inkjet head cleaning system of a printing machine with a barrier plate. In the inkjet head cleaning system of the printer, the number of nozzle holes of the nozzle can be selectively covered or exposed by the movement control of the blocking plate, so as to block the nozzle holes to reduce the outflow of ink, or reduce the number of outflow nozzle holes and increase the suction force. And achieve the purpose of dredging the blocked nozzle. Since a plurality of nozzle holes of the print head can know the distribution area of the blocked nozzle holes through the printing test, the blocking part and the hollow part on the blocking plate can be respectively controlled and displaced to correspond to the unclogged nozzle area and the blocked nozzle holes. area. Thereby, when the capping part covers the nozzle through the blocking plate and cleans it by suction, the unclogged nozzle area is covered by the blocking part, which can reduce the number of nozzles through which the ink flows out, and at the same time increase the suction force for the blocked nozzles. , to further improve the efficiency of cleaning operations. In addition, for the cleaning system designed with dual nozzles, the blocking part and the hollow part are alternately arranged to form a circular blocking plate, and the nozzle holes in different areas can be selectively covered or exposed by rotating the blocking plate. The blocking part is made of, for example, an EPDM film, which is sandwiched between the cover sealing part and the nozzle, which can effectively cover the nozzle hole and prevent it from communicating with the cover sealing part. When the blocked orifice area is connected to the cover through the hollow part, and the unclogged orifice area is covered by the blocking part, then during the cleaning operation, the outflow of ink from the unclogged orifice can be reduced, and the blockage of the nozzle can be increased. The suction force of the hole further improves the efficiency of the cleaning operation.

This case can be modified by a person who is familiar with this technology, and all kinds of modifications can be made without departing from the protection of the scope of the patent application attached.

1: Printer 10a, 10b: Ink cartridge 11a: The first nozzle 11b: The second nozzle 111a, 111b: nozzle holes 100: ink 101: ink sticks 2: Cleaning the system 20: Pedestal 21: Pallet 21a: The first cover sealing part 21b: Second cover sealing part 22: Drive 3: Inkjet system 30: Ink carriage 31: Slide rail 4: Blocking plate mechanism 41: Barrier plate 41a: first barrier plate 41b: Second barrier plate 411, 411a, 411b: blocking part 412, 412a, 412b: hollow part 413: Spindle 414: Engagement pieces 42: Gear Set 421: accommodating part 422: Engagement slot 423: Screw 43: Elastic 44: Actuator 5: Suction device 9: Frame X, Y, Z: axis

FIG. 1 is a schematic diagram showing the structure of a printer including a baffle plate cleaning system according to the first embodiment of the present application. FIG. 2 is a schematic diagram showing the structure of the cleaning system with a barrier plate and its corresponding print head from the top view according to the first embodiment of the present application. FIG. 3 is a schematic diagram showing the structure of the cleaning system with a barrier plate and the corresponding print head of the printer according to the first embodiment of the present application from a lower perspective. FIG. 4 is an exploded view of the cleaning system with a barrier plate according to the first embodiment of the present application from a top view. FIG. 5 is an exploded view of the cleaning system with a barrier plate according to the first embodiment of the present application from a lower perspective. FIG. 6 is a perspective view showing the blocking plate mechanism of the first embodiment of the present application. FIG. 7A shows a top view of the cleaning system of the first embodiment of the present application when it operates in an initial position. FIG. 7B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 7A. FIG. 8A shows a top view of the blocking plate in FIG. 7 after being rotated by an angle counterclockwise. FIG. 8B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 8A. FIG. 9A shows a top view of the blocking plate in FIG. 7 after being rotated by an angle clockwise. FIG. 9B is a bottom view showing the nozzle of the first embodiment of the present application corresponding to the cleaning system shown in FIG. 9A. FIG. 10 is a schematic diagram showing that the blocking plate is partially covered and cleaned. FIG. 11 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in the first state. FIG. 12 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in the second state. FIG. 13 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in a third state. FIG. 14 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in a fourth state. FIG. 15 is a schematic diagram showing that the barrier plate mechanism with the barrier plate cleaning system according to the second embodiment of the present application operates in a fifth state. FIG. 16 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system of the second embodiment of the present application in a sixth state. FIG. 17 is a schematic diagram illustrating the operation of the baffle plate mechanism with the baffle plate cleaning system according to the second embodiment of the present application in a seventh state.

1: Printer

10a, 10b: Ink cartridge

2: Cleaning the system

20: Pedestal

21: Pallet

21a: The first cover sealing part

21b: Second cover sealing part

22: Drive

3: Inkjet system

30: Ink carriage

31: Slide rail

4: Blocking plate mechanism

5: Suction device

X, Y, Z: axis

Claims (10)

An inkjet head cleaning system for a printer is used to cover and clean at least one nozzle, the at least one nozzle includes a plurality of nozzle holes, and the printer inkjet head cleaning system includes: a base; a platform, disposed on the base, and comprising at least one cover and sealing portion relative to the at least one spray head in space; a driver, disposed on the base, configured to drive the platform to approach or leave the at least one spray head; and A blocking plate mechanism is arranged on the base and includes: a blocking plate, located between the at least one cover part and the at least one nozzle in space, and comprising a blocking part and a hollow part; and an actuator for selectively moving the blocking plate, so that when the driver drives the platform to approach the at least one spray head, the blocking portion is at least partially sandwiched between the at least one cover sealing portion and the at least one spray head, and A portion of the plurality of injection holes is covered by the blocking portion, and the rest of the plurality of injection holes communicates with the at least one cover portion through the hollow portion. The inkjet head cleaning system for a printer according to claim 1, further comprising a suction device connected to the at least one capping part, the blocking part is at least partially sandwiched between the at least one capping part and the at least one capping part Between a nozzle, a cleaning operation is performed by suction. The inkjet head cleaning system of claim 1, wherein the at least one capping portion includes a first capping portion and a second capping portion, which are arranged in parallel with each other, wherein the at least one nozzle includes a A first spray head and a second spray head are respectively opposite to the first cover sealing part and the second cover sealing part, wherein the blocking plate is circular and includes a rotating shaft, the rotating shaft is arranged on the first cover sealing part and In the center of the second cover sealing portion, the blocking portion and the hollow portion surround the rotating shaft and are arranged staggered with each other. The inkjet head cleaning system for a printer as claimed in claim 3, wherein the blocking plate mechanism further comprises a gear set pivotally connected to the pallet and connected to the rotating shaft of the blocking plate, the actuating member passing through the The gear set drives the blocking plate to rotate around the rotating shaft, so that when the driver drives the platform to be close to the first spray head and the second spray head, the blocking part is at least partially sandwiched between the first cover sealing part and the second spray head. between the first nozzles and/or between the second cover and the second nozzle. The inkjet head cleaning system for a printer as claimed in claim 4, wherein the rotating shaft includes a meshing member protruding radially outward from the outer peripheral wall of the rotating shaft, and the gear set includes an accommodating portion and an engaging groove , the accommodating part is spatially relative to the rotating shaft, and is configured to accommodate the rotating shaft; In the accommodating portion, the engaging piece and the engaging groove are detachably connected and engaged. The inkjet head cleaning system of claim 5, wherein the blocking plate mechanism further comprises an elastic member disposed between the rotating shaft and the accommodating portion, when the rotating shaft is accommodated in the accommodating portion , providing an elastic force. The inkjet head cleaning system of claim 4, wherein when the blocking plate is in an initial position, the blocking portion is misaligned with the first capping portion and the second capping portion, and when the actuation The device drives the blocking plate to rotate at an angle around the shaft, and when the driver drives the platform to be close to the first spray head and the second spray head, the blocking portion is at least partially sandwiched between the first cover portion and the second spray head. between the first nozzles and/or between the second cover and the second nozzle. The inkjet head cleaning system of claim 1, wherein the plurality of nozzle holes are arranged along a direction, the blocking portion and the hollow portion are staggered along the direction, and the actuating member selectively moves in the direction the baffle. The inkjet head cleaning system of claim 8, wherein when the blocking plate is in an initial position, the blocking portion and the at least one capping portion are displaced, and when the actuating member drives the blocking plate in this direction Displacement, and when the driver drives the platform to approach the at least one spray head, the blocking portion is at least partially sandwiched between the at least one cover portion and the at least one spray head. The inkjet head cleaning system of claim 1, wherein the blocking portion of the blocking plate is formed of an EPDM film.

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