CN116278400A - Multifunctional ink supply device for ink-jet printing and printing method thereof - Google Patents
Multifunctional ink supply device for ink-jet printing and printing method thereof Download PDFInfo
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- CN116278400A CN116278400A CN202310545785.XA CN202310545785A CN116278400A CN 116278400 A CN116278400 A CN 116278400A CN 202310545785 A CN202310545785 A CN 202310545785A CN 116278400 A CN116278400 A CN 116278400A
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- ink
- box
- mounting plate
- printing head
- manual valve
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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
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/1752—Mounting within the printer
- B41J2/17523—Ink connection
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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
- B41J2/17—Ink jet characterised by ink handling
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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
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17513—Inner structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- Ink Jet (AREA)
Abstract
The invention discloses a multifunctional ink supply device for ink-jet printing and a printing method thereof, wherein the multifunctional ink supply device for ink-jet printing comprises an ink box, wherein an ink cavity for containing ink liquid is arranged in the ink box, and the ink cavity of the ink box is connected with a printing head; the ink box is assembled and butted with the printing head through the printing head mounting plate; the ink box is provided with an ink box ink through hole connected with the ink cavity, the printing head mounting plate is provided with a mounting plate ink through hole, and the mounting plate ink through hole is connected with the ink box ink through hole and the printing head to form an ink supply passage; and a manual valve component for switching on and off the ink supply passage is arranged on the ink box in a penetrating way. According to the multifunctional ink supply device for ink-jet printing and the printing method thereof, disclosed by the invention, the ink-jet quality and effect of the ink-jet printing head can be improved by changing the structure of the ink-jet printing head, so that the convenience and stability of printing are further improved.
Description
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to a multifunctional ink supply device for ink-jet printing and a printing method thereof.
Background
In the current ink jet printing for liquid crystal display panels, fine black or color ink is supplied to an ink jet printing head and ejected from the head, thereby realizing ink jet printing.
The traditional ink-jet printing head is characterized in that an ink box is connected with the ink-jet printing head from the outside by an ink-passing hose, a flow control valve is added at the position of the ink-passing hose to control the flow rate of ink, and the ink-jet printing head component is complex in structure, increases the use of space, has multiple connection interfaces and increases the risk of ink leakage. When the traditional printing head is replaced, the ink in the ink box is required to be firstly discharged cleanly, and then the printing head is replaced, so that the waste of the ink is caused, and the production cost is increased; and when the accessories are replaced or the whole is replaced, the operation is complex.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides the multifunctional ink supply device for the ink-jet printing and the printing method thereof, which can improve the ink-jet quality and effect of the ink-jet printing head by changing the structure of the ink-jet printing head, thereby improving the convenience and stability of printing.
In order to achieve the above purpose, the invention adopts the following technical scheme: the multifunctional ink supply device for ink jet printing comprises an ink box, wherein an ink cavity for containing ink is arranged in the ink box, and the ink cavity of the ink box is connected with a printing head; the ink box is assembled and butted with the printing head through the printing head mounting plate; the ink box is provided with an ink box ink through hole connected with the ink cavity, the printing head mounting plate is provided with a mounting plate ink through hole, and the mounting plate ink through hole is connected with the ink box ink through hole and the printing head to form an ink supply passage; and a manual valve component for switching on and off the ink supply passage is arranged on the ink box in a penetrating way.
In a preferred embodiment of the invention, the ink through holes of the ink box and/or the ink through holes of the mounting plate are/is provided with a manual valve component for switching on/off an ink supply passage; the manual valve assembly is provided with an on-off structure which can rotate relative to the ink through hole of the mounting plate and the ink through hole of the ink box on a section positioned in the ink box; the other section of the manual valve assembly is at least partially threaded out of the ink cartridge.
In a preferred embodiment of the invention, the manual valve assembly comprises a manual valve shaft which is arranged on the ink box in a penetrating way, one end of the manual valve shaft is arranged in a passage of the ink through hole of the ink box in a penetrating way, and an on-off structure which can be displaced relative to the ink supply passage is arranged.
In a preferred embodiment of the invention, the on-off structure comprises a valve body passage penetrating through the manual valve shaft, a shaft sleeve is sleeved on the manual valve shaft, and a through hole corresponding to the valve body passage is formed in the shaft sleeve; and the manual valve shaft is rotated to change the rotation angle of the valve body passage on the manual valve shaft relative to the ink box, and the ink supply passage is opened and closed.
In a preferred embodiment of the invention, the on-off structure comprises a valve body passage penetrating through the manual valve shaft; the other end of the manual valve shaft is provided with an external thread screwed on the ink box, and the manual valve shaft is rotated to change the screwing angle of the valve body passage on the manual valve shaft relative to the ink box and switch the ink supply passage.
In a preferred embodiment of the invention, the ink box is also provided with a plurality of positive and negative pressure switching joints connected with the positive and negative pressure cylinders and an ink pipe joint connected with the ink supply mechanism.
In a preferred embodiment of the invention, a floating ball for monitoring the liquid level is arranged in the ink cavity; or/and the leading-in end of the printing head is inserted into the printing head mounting plate and is in butt joint communication with the ink through hole of the mounting plate; or/and, the ink box is installed on one side of the printing head mounting plate, the connector mounting piece is installed on the other side of the printing head mounting plate, and the cable connector which is connected with the external control mechanism is arranged on the connector mounting piece.
In a preferred embodiment of the invention, the ink cartridge and/or the print head mounting plate are provided with a plurality of heating rods and thermocouples.
In a preferred embodiment of the present invention, a printing method of a multifunctional ink supply device for ink jet printing includes the steps of: the ink box is assembled and butted with the printing head through the printing head mounting plate, and the manual valve assembly penetrating through the ink box rotates or displaces relative to the ink box, the printing head mounting plate and the ink supply passage in the printing head to realize the on-off of the ink supply passage.
In a preferred embodiment of the present invention, a printing method of a multifunctional ink supply device for ink jet printing includes the steps of: the ink cavity and the ink in the ink box are heated by the heating rod and the thermocouple which are inserted into the ink cavity on the ink box, and the printing head in the printing head mounting plate is heated by the heating rod and the thermocouple which are inserted into the printing head mounting plate; heating and constant temperature of the ink supply passage are realized by heating the ink cartridge and the print head mounting plate.
The invention solves the defects existing in the technical background, and has the beneficial technical effects that:
according to the multifunctional ink supply device for ink-jet printing and the printing method thereof, disclosed by the invention, the ink-jet quality and effect of the ink-jet printing head can be improved by changing the structure of the ink-jet printing head, so that the convenience and stability of printing are further improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of an isometric view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of an axial structure of the present invention;
FIG. 3 is a schematic view of a manual valve assembly according to a first embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 5 is a schematic illustration of a portion of a first embodiment of the present invention in which a manual valve assembly is docked with an ink cartridge;
FIG. 6 is a schematic illustration of a portion of a manual valve assembly interfacing with an ink cartridge according to a first embodiment of the present invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of a second embodiment of the present invention;
FIG. 8 is a schematic diagram of a cross-sectional structure of a third embodiment of the invention;
FIG. 9 is a schematic cross-sectional view of a printhead interfacing with an ink cartridge through a printhead mounting plate in an embodiment of the invention;
FIG. 10 is a schematic view of an enlarged partial structure of a printhead interfacing with an ink cartridge through a printhead mounting plate according to an embodiment of the present invention;
FIG. 11 is a schematic view of a part of a manual valve assembly of a second embodiment of the present invention installed in an ink cartridge;
FIG. 12 is a schematic illustration of a portion of a manual valve assembly in accordance with a second embodiment of the present invention;
FIG. 13 is a schematic illustration of a portion of a manual valve assembly according to a second embodiment of the present invention;
the ink cartridge comprises a 1-ink cartridge, a 2-cover, a 3-floating ball, a 4-positive and negative pressure switching connector, a 5-ink pipe connector, a 6-heating rod, a 7-thermocouple, an 8-overheat sensor, a 9-sensor mounting piece, a 10-printing head mounting plate, an 11-cable connector, a 12-connector mounting piece, a 13-printing head, a 14-manual valve assembly, a 141-manual valve shaft, a 142-sealing ring I, a 143-sealing washer, a 144-abutting ball, a 145-valve body passage, a 146-shaft sleeve, a 15-sealing ring II, a 16-sealing ring III, a 17-sealing ring IV, an 18-plug, a 19-ink cartridge ink through hole and a 20-mounting plate ink through hole.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
It should be noted that, if a directional indication (such as up, down, bottom, top, etc.) is involved in the embodiment of the present invention, the directional indication is merely used to explain the relative positional relationship between the components, the movement situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is correspondingly changed. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-10, a multifunctional ink supply device for ink jet printing comprises an ink box 1, wherein an ink cavity for containing ink is arranged in the ink box 1, a cover 2 for sealing the ink cavity is arranged at the top of the ink box 1, and a sealing ring III 16 is embedded at the joint of the cover 2 and the ink box 1 for sealing and connecting. The ink box 1 is assembled and butted with the printing head 13 through the printing head mounting plate 10; the ink box 1 is provided with an ink box ink through hole 19 connected with the ink cavity, the printing head mounting plate 10 is provided with a mounting plate ink through hole 20, the mounting plate ink through hole 20 is connected with the ink box ink through hole 19 and the printing head 13 to form an ink supply passage, and the leading-in end of the printing head 13 is inserted into the printing head mounting plate 10 and is in butt joint communication with the mounting plate ink through hole 20; the ink through holes 20 of the mounting plate are in sealing connection with the ink through holes 19 of the ink box through embedding the second sealing ring 15, and the connecting parts of the ink through holes 20 of the mounting plate and the printing head 13 after being spliced are in sealing connection through embedding the fourth sealing ring 17. The ink chamber of the ink cartridge 1 is connected to the print head 13 through an ink supply path. The ink cartridge 1 is mounted on one side of the print head mounting board 10, the connector mounting member 12 is mounted on the other side of the print head mounting board 10, and the connector mounting member 12 is provided with a cable connector 11 interconnected with an external control mechanism. The installation datum plane A, the installation datum plane B and the installation datum plane C of the printing head installation plate 10 are installation datum planes of the spray heads, the printing head 13 is locked by installing locking screws after being contacted with the installation datum plane A, the installation datum plane B and the installation datum plane C of the printing head installation plate 10, the sealing ring IV 17 on the printing head 13 is in interference fit with the printing head installation plate 10 after being locked, a sealing structure is formed, and meanwhile, a gap is reserved between the installation datum plane D of the printing head installation plate 10 and the printing head 13 so as to prevent the printing head 13 from being damaged. The lower part of the ink box 1 is also provided with a discharge hole communicated with the ink cavity, and a plug 18 for plugging is arranged in the discharge hole. The ink cartridge 1 is discharged by pulling out the plug 18 during the whole discharging process. Further, a sensor mount 9 is further provided on the print head mounting plate 10, and an overheat sensor 8 for detecting the ink supply temperature of the print head 13 is provided on the sensor mount 9.
Specifically, the ink box 1 is also provided with a plurality of positive and negative pressure switching joints 4 connected with positive and negative pressure cylinders and an ink pipe joint 5 connected with an ink supply mechanism, and a floating ball 3 for monitoring the liquid level of ink is arranged in an ink cavity of the ink box 1. The ink cartridge 1 and the print head mounting plate 10 are respectively provided with a heating rod 6 and a thermocouple 7 for detecting temperature.
Specifically, the ink cartridge 1 is provided with a manual valve assembly 14 for opening and closing an ink supply path. The manual valve assembly 14 includes a manual valve shaft 141 provided with a passage for opening and closing ink supply, the manual valve shaft 141 penetrating into a flow passage formed in the ink cartridge 1 by the ink cartridge ink passage hole 19 in the ink cartridge 1. The section of the manual valve assembly 14 positioned in the ink box 1 is provided with an on-off structure which can rotate relative to the mounting plate ink through hole 20 and the ink box ink through hole 19; the other section of the manual valve assembly 14 is at least partially threaded out of the ink cartridge 1. One end of the manual valve shaft 141 is inserted into the passage of the ink cartridge through hole 19 and is provided with an on-off structure capable of being displaced relative to the ink supply passage. The on-off structure comprises a sealing gasket 143 movably embedded in the ink box 1 and an abutting ball 144 abutting against the end part of a manual valve shaft 141 in the ink box 1, and the manual valve shaft 141 drives the abutting ball 144 to drive the sealing gasket 143 to be displaced and on-off relative to the ink supply passage; the other end of the manual valve shaft 141 is provided with an external thread screwed on the ink cartridge 1, and the manual valve shaft 141 is rotated to change the screwing depth of the manual valve shaft 141 relative to the ink cartridge 1 and to switch on and off the ink supply passage. The sealing gasket 143 is a teflon gasket and the abutment ball 144 is a stainless steel ball.
Further, as shown in fig. 3-10, the first sealing ring 142 is buckled in the groove of the manual valve shaft 141, and the first sealing ring 142 is in interference fit with the hinge hole of the ink cartridge 1 to form a sealing structure, so as to prevent ink from leaking out of the ink cartridge 1. The sealing washer 143 is in transition fit with the hinged hole of the ink box 1, the abutting ball 144 is in clearance fit with the hinged hole of the ink box 1, the manual valve shaft 141 rotates leftwards, the abutting ball 144 and the sealing washer 143 fall off, the ink is immersed into the periphery of the abutting ball 144 from the ink box 1 and communicated with the spray head, and the flowing direction is shown in fig. 5 and 6. The manual valve shaft 141 is screwed right against the ball 144 and the sealing washer 143, and the ball 144 blocks the flow of ink.
Example two
As shown in fig. 1, 2 and 11-13, the multifunctional ink supply device for ink jet printing comprises an ink box 1, wherein an ink cavity for containing ink is arranged in the ink box 1, a cover 2 for sealing the ink cavity is arranged at the top of the ink box 1, and a sealing ring III 16 is embedded at the joint of the cover 2 and the ink box 1 for sealing. The ink box 1 is assembled and butted with the printing head 13 through the printing head mounting plate 10; the ink box 1 is provided with an ink box ink through hole 19 connected with the ink cavity, the printing head mounting plate 10 is provided with a mounting plate ink through hole 20, the mounting plate ink through hole 20 is connected with the ink box ink through hole 19 and the printing head 13 to form an ink supply passage, and the leading-in end of the printing head 13 is inserted into the printing head mounting plate 10 and is in butt joint communication with the mounting plate ink through hole 20; the ink through holes 20 of the mounting plate are in sealing connection with the ink through holes 19 of the ink box through embedding the second sealing ring 15, and the connecting parts of the ink through holes 20 of the mounting plate and the printing head 13 after being spliced are in sealing connection through embedding the fourth sealing ring 17. The ink chamber of the ink cartridge 1 is connected to the print head 13 through an ink supply path. The ink cartridge 1 is mounted on one side of the print head mounting board 10, the connector mounting member 12 is mounted on the other side of the print head mounting board 10, and the connector mounting member 12 is provided with a cable connector 11 interconnected with an external control mechanism. Further, the print head mounting plate 10 is further provided with a sensor mounting member 9, and the sensor mounting member 9 is provided with an overheat sensor 8 for detecting the ink supply temperature of the print head 13.
Specifically, the ink box 1 is also provided with a plurality of positive and negative pressure switching joints 4 connected with positive and negative pressure cylinders and an ink pipe joint 5 connected with an ink supply mechanism, and a floating ball 3 for monitoring the liquid level of ink is arranged in an ink cavity of the ink box 1. The ink cartridge 1 and the print head mounting plate 10 are respectively provided with a heating rod 6 and a thermocouple 7 for detecting temperature.
Specifically, the ink cartridge 1 is provided with a manual valve assembly 14 for opening and closing an ink supply path. The manual valve assembly 14 includes a manual valve shaft 141 provided with a passage for opening and closing ink supply, the manual valve shaft 141 penetrating into a flow passage formed in the ink cartridge 1 by the ink cartridge ink passage hole 19 in the ink cartridge 1. The section of the manual valve assembly 14 positioned in the ink box 1 is provided with an on-off structure which can rotate relative to the mounting plate ink through hole 20 and the ink box ink through hole 19; the other section of the manual valve assembly 14 is at least partially threaded out of the ink cartridge 1. The outer sleeve of one end of the manual valve shaft 141 penetrating through the ink hole 19 of the ink box is provided with a shaft sleeve 146, the shaft sleeve 146 is embedded and fixed in the ink hole 19 of the ink box, the manual valve shaft 141 is provided with a valve body passage 145 penetrating through, the valve body passage 145 corresponds to the through hole correspondingly formed in the shaft sleeve 146, and one end of the manual valve shaft 141 positioned in the ink box 1 is further sleeved with a first sealing ring 142 for sealing. The relative positions of the valve body passage 145 and the through holes correspondingly formed in the shaft sleeve 146 are changed by rotating the manual valve shaft 141 relative to the shaft sleeve 146, so that the ink supply passage is switched on and off.
Example III
On the basis of the first embodiment, as shown in fig. 1 to 10, a printing method of a multi-functional ink supply device for ink jet printing includes the steps of:
during printing, ink is led in through an ink pipe joint 5 on the ink box 1, and a positive and negative pressure switching joint 4 arranged on the ink box 1 controls the air pressure in an ink cavity of the ink box 1 and controls the leading-out and the recovery of the ink.
The ink cartridge 1 is assembled and butted with the printing head 13 through the printing head mounting plate 10, and the ink supply passage is turned on and off by utilizing the rotary displacement of the manual valve assembly 14 penetrating the ink cartridge 1 relative to the ink supply passage in the printing head mounting plate 10 and the printing head 13. Specifically, the manual valve shaft 141 is rotated, the manual valve shaft 141 rotates relative to the ink cartridge 1 through the setting track of the external thread, the rotation angle of the manual valve shaft 141 is adjusted, the rotation setting depth of the manual valve shaft 141 relative to the ink cartridge 1 is changed, the manual valve shaft 141 drives the abutting ball 144 to drive the sealing gasket 143 to displace relative to the ink supply passage, and the sealing blocking of the ink supply passage and the outward withdrawal of the ink supply passage are realized, so that the ink supply passage is conducted.
The ink cavity and the ink in the ink box are heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the ink cavity on the ink box 1, and the printing head 13 in the printing head mounting plate 10 is heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the printing head mounting plate 10; heating and constant temperature of the ink supply path are achieved by heating the ink cartridge 1 and the head mounting plate 10.
Example IV
On the basis of the second embodiment, as shown in fig. 1, 2, and 11 to 13, a printing method of a multifunctional ink supply device for inkjet printing includes the steps of:
during printing, ink is led in through an ink pipe joint 5 on the ink box 1, and a positive and negative pressure switching joint 4 arranged on the ink box 1 controls the air pressure in an ink cavity of the ink box 1 and controls the leading-out and the recovery of the ink.
The ink cartridge 1 is assembled and butted with the printing head 13 through the printing head mounting plate 10, and the ink supply passage is turned on and off by utilizing the rotary displacement of the manual valve assembly 14 penetrating the ink cartridge 1 relative to the ink supply passage in the printing head mounting plate 10 and the printing head 13. Specifically, one end of the manual valve shaft 141 is provided in the passage of the ink cartridge through-hole 19 and is provided with a valve body passage that is displaceable relative to the ink supply passage. The valve body passage is arranged on the manual valve shaft 141 in a penetrating way; the manual valve shaft 141 is rotated, the manual valve shaft 141 rotates relative to the ink cartridge 1, the relative position of the valve body passage 145 on the manual valve shaft 141 relative to the through hole on the shaft sleeve 146 is changed, the ink supply passage is conducted when the valve body passage is communicated with the ink cartridge ink through hole 19 in a straight line, the valve body passage is not in a straight line with the ink cartridge ink through hole 19, and the ink supply passage is blocked when the valve body passage is not communicated with the ink cartridge ink through hole 19. Further, the other end of the manual valve shaft 141 is provided with an external thread screwed to the ink cartridge 1.
The ink cavity and the ink in the ink box are heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the ink cavity on the ink box 1, and the printing head 13 in the printing head mounting plate 10 is heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the printing head mounting plate 10; heating and constant temperature of the ink supply path are achieved by heating the ink cartridge 1 and the head mounting plate 10.
Working principle:
as shown in fig. 1 to 13, a multifunctional ink supply device for inkjet printing and a printing method thereof can improve the inkjet quality and effect of an inkjet printhead by changing the structure of the inkjet printhead, thereby improving the convenience and stability of printing. During printing, ink is led in through an ink pipe joint 5 on the ink box 1, and a positive and negative pressure switching joint 4 arranged on the ink box 1 controls the air pressure in an ink cavity of the ink box 1 and controls the leading-out and the recovery of the ink. The invention realizes the liquid level sensing of the ink, and is convenient for the heating, temperature sensing and overheat protection of the ink and the printing head 13; the connection structure between the printing head 13 and the ink box 1 is more compact for ink on-off and positive and negative pressure control. When the printing head 13 is replaced, the ink flow between the ink box 1 and the printing head 13 is cut off, so that the leakage of the ink can be effectively prevented, and the maintenance and the quick replacement of the printing head 13 are facilitated.
The ink cartridge 1 is assembled and butted with the printing head 13 through the printing head mounting plate 10, and the ink supply passage is turned on and off by utilizing the rotary displacement of the manual valve assembly 14 penetrating the ink cartridge 1 relative to the ink supply passage in the printing head mounting plate 10 and the printing head 13. The ink cavity and the ink in the ink box are heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the ink cavity on the ink box 1, and the printing head 13 in the printing head mounting plate 10 is heated and detected by the heating rod 6 and the thermocouple 7 which are inserted into the printing head mounting plate 10; the ink supply path is heated by heating the ink cartridge 1 and the head mounting plate 10, and the ink supply path is kept at a constant temperature. In addition, when the print head 13 is replaced alone, the replacement operation of the print head 13 attached to the print head mounting board 10 alone can be performed by turning the manual valve assembly 14 to block the ink in the ink cartridge 1.
The above specific embodiments are specific support for the solution idea provided by the present invention, and are not limited to the scope of the present invention, and any equivalent changes or equivalent modifications made on the basis of the technical solution according to the technical idea provided by the present invention still belong to the scope of the technical solution protection of the present invention.
Claims (10)
1. The multifunctional ink supply device for ink jet printing comprises an ink box (1), wherein an ink cavity for containing ink is arranged in the ink box (1), and the ink cavity of the ink box (1) is connected with a printing head (13); the method is characterized in that: the ink box (1) is assembled and butted with the printing head (13) through the printing head mounting plate (10); the ink box (1) is provided with an ink box ink through hole (19) connected with the ink cavity, the printing head mounting plate (10) is provided with a mounting plate ink through hole (20), and the mounting plate ink through hole (20) is connected with the ink box ink through hole (19) and the printing head (13) to form an ink supply passage; and a manual valve component (14) for switching on and off the ink supply passage is arranged on the ink box (1).
2. The multi-functional ink supply device for ink jet printing according to claim 1, wherein: a manual valve assembly (14) for switching on and off the ink supply passage is arranged on the ink cartridge ink through hole (19) or/and the mounting plate ink through hole (20);
the manual valve assembly (14) is provided with an on-off structure which can rotate relative to the mounting plate ink through hole (20) and the ink through hole (19) of the ink box on a section positioned in the ink box (1); the other section of the manual valve assembly (14) at least partially penetrates out of the ink box (1).
3. The multi-functional ink supply device for ink jet printing according to claim 2, wherein: the manual valve assembly (14) comprises a manual valve shaft (141) penetrating through the ink box (1), and one end of the manual valve shaft (141) penetrates through a passage of the ink box ink through hole (19) and is provided with an on-off structure capable of being displaced relative to the ink supply passage.
4. A multi-functional ink supply for ink jet printing as claimed in claim 3, wherein: the on-off structure comprises a sealing gasket (143) movably embedded in the ink box (1) and an abutting ball (144) abutted against the end part of the manual valve shaft (141) in the ink box (1), and the manual valve shaft (141) drives the abutting ball (144) to drive the sealing gasket (143) to be shifted and on-off relative to the ink supply passage;
the other end of the manual valve shaft (141) is provided with external threads screwed on the ink box (1), the manual valve shaft (141) is rotated, the screwing depth of the manual valve shaft (141) relative to the ink box (1) is changed, and the ink supply passage is opened and closed.
5. A multi-functional ink supply for ink jet printing as claimed in claim 3, wherein: the on-off structure comprises a valve body passage (145) penetrating through the manual valve shaft (141), a shaft sleeve (146) is sleeved on the manual valve shaft (141), and a through hole corresponding to the valve body passage (145) is further formed in the shaft sleeve (146); the manual valve shaft (141) is rotated to change the rotation angle of the valve body passage on the manual valve shaft (141) relative to the ink box (1) and the ink supply passage is opened and closed.
6. The multi-functional ink supply device for ink jet printing according to claim 1, wherein: the ink box (1) is also provided with a plurality of positive and negative pressure switching joints (4) connected with positive and negative pressure cylinders and an ink pipe joint (5) connected with the ink supply mechanism.
7. The multi-functional ink supply device for ink jet printing according to claim 1, wherein: a floating ball (3) for monitoring the liquid level is arranged in the ink cavity;
or/and, the leading-in end of the printing head (13) is inserted into the printing head mounting plate (10) and is in butt joint communication with the mounting plate ink through hole (20);
or/and, one side of the printing head mounting plate (10) is provided with the ink box (1), the other side of the printing head mounting plate (10) is provided with a connector mounting piece (12), and the connector mounting piece (12) is provided with a cable connector (11) which is interconnected with an external control mechanism.
8. The multi-functional ink supply device for ink jet printing according to claim 2, wherein: the ink box (1) or/and the printing head mounting plate (10) is/are provided with a plurality of heating rods (6) and thermocouples (7) in a penetrating way.
9. A printing method of a multifunctional ink supply device for ink jet printing, characterized by: the multi-functional ink supply device for inkjet printing according to any one of claims 1 to 8, the printing method comprising the steps of:
the ink box (1) is assembled and butted with the printing head (13) through the printing head mounting plate (10), and the manual valve assembly (14) penetrating through the ink box (1) rotates or displaces relative to the ink box (1), the printing head mounting plate (10) and the ink supply passage in the printing head (13) to realize the on-off of the ink supply passage.
10. The printing method of a multi-functional ink supply device for ink jet printing according to claim 9, wherein: the ink cavity and the ink in the ink box (1) are heated through a heating rod (6) and a thermocouple (7) which are inserted into the ink cavity on the ink box (1), and a printing head (13) in the printing head mounting plate (10) is heated through the heating rod (6) and the thermocouple (7) which are inserted into the printing head mounting plate (10);
heating and constant temperature of the ink supply passage are realized by heating the ink cartridge (1) and the print head mounting plate (10).
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| CN202310545785.XA CN116278400B (en) | 2023-05-16 | 2023-05-16 | Multifunctional ink supply device for ink-jet printing and printing method thereof |
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| CN116278400B CN116278400B (en) | 2023-09-01 |
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|---|---|
| CN116278400B (en) | 2023-09-01 |
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