EP3733417B1 - Alimentation en encre et système d'impression d'essai - Google Patents

Alimentation en encre et système d'impression d'essai Download PDF

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Publication number
EP3733417B1
EP3733417B1 EP19172317.0A EP19172317A EP3733417B1 EP 3733417 B1 EP3733417 B1 EP 3733417B1 EP 19172317 A EP19172317 A EP 19172317A EP 3733417 B1 EP3733417 B1 EP 3733417B1
Authority
EP
European Patent Office
Prior art keywords
fluid
distribution
return
socket
fluid channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19172317.0A
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German (de)
English (en)
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EP3733417A1 (fr
Inventor
Andreas Franke
Gerald Bank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Artech GmbH Design and Production in Plastic
Original Assignee
Artech GmbH Design and Production in Plastic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to EP19172317.0A priority Critical patent/EP3733417B1/fr
Priority to ES19172317T priority patent/ES2941500T3/es
Publication of EP3733417A1 publication Critical patent/EP3733417A1/fr
Application granted granted Critical
Publication of EP3733417B1 publication Critical patent/EP3733417B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • B41J2/17566—Ink level or ink residue control
    • 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
    • B41J2/18—Ink recirculation systems
    • 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
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17576—Ink level or ink residue control using a floater for ink level indication
    • 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
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17583—Ink level or ink residue control using vibration or ultra-sons for ink level indication

Definitions

  • the present invention relates to an ink feed and a test printing system with such an ink feed.
  • the invention is based on the technical problem of specifying a device and a system for cost-effective and efficient testing of new print heads and/or inks.
  • the technical problem described above is solved by a fluid supply according to claim 1 and a test printing system according to claim 18. Further refinements of the invention result from the dependent claims and the following description.
  • EP1955853 discloses a conventional fluid supply for a printing system.
  • the invention relates to a fluid supply for a test printing system, with a first fluid channel for supplying a first print head, with a second fluid channel for supplying a second print head, with a distribution device for connecting the first fluid channel to the second fluid channel and for separating the first fluid channel from the second fluid channel, wherein the distribution device is set up so that in a first operating state of the distribution device a fluid transfer takes place between the first fluid channel and the second fluid channel and wherein the distribution device is set up such that in a second operating state of the distribution device no liquid transfer takes place between the first fluid channel and the second fluid channel.
  • the fluid supply therefore enables the fluid channels to be coupled to one another or separated from one another as required.
  • the fluid channels can be fed, for example, via a single shared liquid or ink reservoir.
  • the first fluid channel is coupled to an ink reservoir, so that cleaning liquid and/or ink is sucked in from the reservoir via the first fluid channel and distributed via the distribution device to the second fluid channel.
  • the first fluid channel and the second fluid channel and a first and second print head can be fed via a common reservoir in a simple and efficient manner.
  • the fluid channels can be operated autonomously and independently of one another.
  • the distribution device is in the second operating state, so that no liquid transfer takes place between the first fluid channel and the second fluid channel.
  • this operating state there is therefore no fluid connection between the first fluid channel and the second fluid channel, in contrast to the first operating state.
  • the first fluid channel and the second fluid channel can each be fed independently of one another via a separate liquid or ink reservoir.
  • a first ink reservoir with a be associated with the first color of the first fluid channel, so that the first printhead is supplied with the first color of the first ink reservoir.
  • the second fluid channel can be coupled to a second ink reservoir in which a second color is stored, so that the second printhead is supplied with the second ink, which is different from the first ink and has a different color than the first ink.
  • the fluid supply therefore enables the assigned print heads to be supplied flexibly.
  • the possibility of interconnecting the fluid channels with the aid of the distribution device in the first operating state also has the advantage that the fluid channels can be cleaned together. If the fluid channels are connected to one another via the distribution device in the first operating state, a liquid container or a reservoir with cleaning liquid stored therein can be assigned to a fluid channel, with the cleaning liquid being routed via the first fluid channel to the first print head and via the distribution device also to the second fluid channel and is thus conveyed to the second print head.
  • the first fluid channel, the first print head, the second fluid channel and the second print head and the associated hose lines can be cleaned efficiently by supplying a cleaning liquid a single liquid reservoir.
  • the fluid supply is not is set up only to supply a first and second print head, but also to supply a third, fourth, fifth or sixth print head, the fluid supply can in turn be set up in such a way that all print heads can be interconnected in order to have a common supply of one ink or one to allow cleaning fluid.
  • one of the fluid channels is connected to a supply line for removing liquid from a reservoir and in the event that the distribution device is in the first operating state, the other fluid channel is connected to the supply line via the distribution device is. Consequently, the supply line establishes a connection between a fluid channel and a liquid reservoir, with the supply line being in particular a suction line for sucking liquid from the reservoir.
  • liquid can therefore be distributed from a single reservoir to both fluid channels, or if more than two fluid channels are provided, to three, four or more fluid channels.
  • each of the fluid channels is connected to a separate supply line for removing liquid from a separate fluid channel-specific reservoir and, in the event that the distribution device is in the second operating state, a separate fluid supply for each fluid channel is provided. Accordingly, each of the fluid channels is self-sufficient and can be connected separately to an associated reservoir independently of the other fluid channels, so that each fluid channel together with the associated print head can be fed separately. In this way, individual fluid channels and/or print heads can be supplied with different colors or cleaned separately or independently of one another, provided a cleaning liquid is stored in the connected reservoir.
  • the fluid channels are set up for the circulation of fluid via the respective associated print head, with each fluid channel having a supply line for supplying fluid to the respective print head and a return line for returning fluid from the respective print head. Unused, excess ink can therefore be fed back into a separate residual ink reservoir or into the original ink tank via the return line in order to keep ink consumption low.
  • one of the fluid channels is connected to a return line for returning liquid to a reservoir, and if the distribution device is in the first operating state, the other fluid channel is connected to the return line via the distribution device connected is.
  • the first fluid channel can be connected both to the supply line for removing liquid from a reservoir and to the return line for returning liquid to the same reservoir, with the aid of the distribution device the liquid taken from the reservoir also circulates via the flow and return of the second fluid channel and thus via the second print head, so that both the first print head and the second print head are supplied with ink or liquid circulating via the assigned flows and returns will.
  • the first and the second fluid channel can be fed via a common cleaning liquid reservoir, but the return line can be routed into a container separate from the cleaning liquid container, which serves as a waste reservoir for storing used cleaning liquid. Accordingly, the cleaning liquid flows from the cleaning liquid reservoir via the first fluid channel, the distribution device, the second fluid channel to the print heads and via the print heads back into the reservoir for receiving used cleaning liquid.
  • each of the fluid channels is connected to a separate return line for returning liquid to a separate fluid channel-specific reservoir and, in the event that the distribution device is in the second operating state, a separate fluid return is provided for each fluid channel is.
  • each fluid channel can be independently supplied with circulating ink or cleaning liquid from a fluid channel-specific reservoir e.g. towards the first printhead and returned to the same reservoir from the first printhead.
  • a second ink or liquid reservoir can be associated with the second fluid channel and the associated second print head in order to return a fluid via the second fluid channel to the second print head and from the second print head via the return into the same second container.
  • fluids are in particular inks or cleaning liquids that are liquid at room temperature and under ambient pressure, ie in particular liquids.
  • the above statements can therefore be transferred equally to the coupling of three, four or more fluid channels with associated print heads, so that for example three, four or more fluid channels are fed via a common reservoir, including any circulation of liquid provided via a flow and return, or the fluid channels can be operated separately from one another.
  • a first and a second printhead can be fed from a first reservoir and a third and a fourth printhead can be fed from another common reservoir.
  • two or more print heads can be interconnected or separated from one another as required.
  • the interconnection or connection and disconnection of the fluid channels takes place via a controllable valve block, so that the fluid channels can be connected to one another or separated from one another with the aid of an electronic controller.
  • the distribution device of the fluid supply has a modular system with distribution sockets and distribution plugs, the distribution sockets and distribution plugs being set up to mechanically connect the fluid channels to one another in order to mechanically connect them using the distribution plugs or mechanically from one another to separate.
  • the distribution plugs therefore have line sections in order, depending on the application, to connect fluid channels to one another or to separate fluid channels from one another. Adding and removing the distribution plugs thus corresponds to adding and removing line sections between the fluid lines in order to create or separate fluid connections between the fluid lines.
  • each fluid channel is assigned a distribution bushing, with each distribution bushing having four separate bushings, namely a first feed bushing, a first return bushing, a second feed bushing and a second return bushing, the first feed bushing having one respective distribution socket is connected to the flow of the associated fluid channel and the first return socket of a respective distribution socket is connected to the return of the allocated fluid channel, the second flow sockets of the distribution sockets being connected to one another and the second return sockets of the distribution sockets being connected to one another.
  • the second flow bushings and the second return bushings accordingly form switchable connections between the fluid channels, which can also be referred to as a bypass between the fluid channels. If no distribution plug is attached to the distribution sockets, the first flow sockets are separated from the second flow sockets, so that the second flow sockets are separated from the flow, and the second return sockets are separated from the first return sockets, so that the second return sockets are separated from the respectively assigned return are separated.
  • a further embodiment of the fluid supply is characterized by first distribution plugs, which are plugged onto the distribution sockets to provide the first operating state, with a respective first distribution plug establishing a fluid connection between the first advance bushing and the second advance bushing respective distribution socket in order to connect the flows of the fluid channels with one another, with a respective first distribution plug producing a fluid connection between the first return socket and the second return socket of a respective distribution socket in order to connect the returns of the fluid channels with one another, with one of the first distribution plugs being connected to the supply line and wherein one of the first distribution plugs is connected to the return line.
  • one and the same distribution plug can be connected both to the supply line and to the return line. It can be provided that all other first distribution plugs have no connection to a supply or return line, i. H. no direct connection, but only connections to the adjacent fluid channels or the adjacent fluid channel.
  • the relevant first distribution plugs, to which neither a supply line nor a return line is directly connected, are therefore only indirectly connected to the supply line and the return line, namely via the distribution system and that distribution plug that is connected to the supply line or return line.
  • a further embodiment of the fluid supply is characterized by second distribution plugs, which are plugged onto the distribution sockets to provide the second operating state, with a respective second distribution plug not establishing a fluid connection between the first supply socket and the second supply socket of a respective distribution socket and the supply lines of the fluid channels are separated from one another , wherein a respective second distribution plug establishes no fluid connection between the first return socket and the second return socket of a respective distribution socket and the returns of the fluid channels are separated from one another, wherein each of the second distribution plugs is connected to the respective separate supply line and wherein each of the second distribution plugs is connected to the respective separate return line is connected.
  • the second distribution plugs therefore enable autonomous operation of each individual fluid channel and associated print head, so that separate and independent fluid circulation can take place for a respective print head, without fluid transfer taking place between the fluid channels.
  • a further embodiment of the fluid supply is characterized in that the supply line and the return line are accommodated within a lance, the lance being set up for insertion into a reservoir, one of the first distribution plugs being connected both to the supply line and to the return line, wherein the lance is connected to this first distribution plug and wherein the lance forms a separately manageable unit together with the supply line, the return line and the first distribution plug.
  • the lance is inserted into the reservoir and screwed to the reservoir, for example, so that the reservoir is sealed in particular in a dust-tight and airtight manner.
  • the first distribution plug can be connected to a distribution socket in order to establish a fluid connection, for example of the first fluid channel and the first print head, to the reservoir.
  • an ink supply of a print head can be specified in a simple and efficient manner, the ink being circulated from the reservoir via the forward flow, the print head and the return flow, with the print head being supplied with ink.
  • an adjacent fluid line or the adjacent fluid lines is assigned a first distributor plug which is not directly connected to a supply or return line, but is only indirectly connected to the reservoir via the distributor device.
  • the supply line and the return line of a respective fluid channel are each accommodated within a lance, with the respective lance being set up for insertion into the respective separate, fluid channel-specific reservoir, with the lance being connected to the respective second distribution plug and wherein each lance forms a separately manageable unit together with the supply line, the return line and the respective second distribution plug.
  • each fluid channel is therefore assigned a separate unit consisting of a lance supply line, return line and second distribution plug, so that each fluid channel can be self-sufficient with its associated print head Circulation of liquid is set up via the inlet, the printhead and the return.
  • the supply line is accommodated within a lance, with the lance being set up for insertion into a first reservoir, with one of the first distribution plugs being connected both to the supply line and to the return line, the lance is connected to this first distribution plug, the return line being set up for insertion into a second reservoir, and the lance forming a separately manageable unit together with the supply line, the return line and the first distribution plug.
  • Dividing the supply line and the return line into two separate reservoirs can be useful, for example, when rinsing or cleaning the fluid supply and the associated print head, in which used cleaning fluid can be fed into a separate reservoir as a waste product.
  • the lance has at least one fill level sensor for detecting a fill level in a reservoir, such as a float switch, an ultrasonic sensor or the like, with the distribution plug having an electrical sensor line and associated plug connector, which are connected to the fill level sensor.
  • the level in a reservoir can be measured and be transferred to a controller. This can be useful for both an ink reservoir and a cleaning fluid reservoir to avoid air being sucked in.
  • a fill level sensor can be assigned to a reservoir for receiving used cleaning liquid in order to prevent the collection container from overflowing.
  • the distribution plug that is connected to the lance has a device for identifying the distribution plug and/or the lance. In this way, information can be given to a controller as to whether a first distribution plug, a second distribution plug, a lance with an integrated supply and return line or with a separate return line is plugged in, in order to enable appropriate control of the test printing or cleaning process.
  • the identification can take place, for example, via hard-wired bit lines, RFID codes, barcodes or non-volatile memories that are accommodated in the connector.
  • data on the type, color and origin of an ink can be stored in a non-volatile memory of the distribution plug.
  • a respective first or second distribution plug can be a device for Have identification of the distribution plug and alternatively or additionally have a non-volatile data memory to provide the aforementioned information.
  • the first and second distribution plugs can be, for example, heavy industrial plugs that can be modularly equipped with electrical connections with fluid connections or electrical plug connections.
  • the heavy industrial plugs can have a lock so that they cannot be accidentally removed when plugged in, with a mechanical lock, for example, holding the plug positively and non-positively on the intended socket.
  • all components of the fluid supply that are in contact with the ink are designed to be inert to the ink and consist of, for example, polypropylene, nylon or stainless steel. Provision can be made for the sockets of the distribution sockets and/or the distribution plugs to have self-closing valves which prevent ink from escaping when they are not plugged in.
  • a further embodiment of the fluid supply is characterized by evaluation electronics and a controller with control software.
  • the distribution sockets are connected to the evaluation electronics.
  • the electronic evaluation unit collects information on the assignment or non-assignment of the distribution sockets, on the type of distribution plugs, i.e. whether a first or second plug is connected with or without a supply and/or return line, on the fill level of a reservoir or several reservoirs and on the inks or cleaning liquids stored in the reservoir or reservoirs.
  • the evaluation electronics can be set up to read out the non-volatile data memory of the distribution plugs.
  • the evaluation unit can be connected to the controller via an interface, such as USB, Ethernet, fieldbus or the like.
  • the controller can be a PLC or IPC controller or the like.
  • the control software of the controller receives the data from the evaluation electronics.
  • the control software is set up to output various maintenance or error messages or to display actual states via a graphical user interface, such as the presence of distribution plugs on distribution sockets or the absence of distribution plugs on distribution sockets, as well as recognizing certain types of plugs and lances for a test print.
  • the control software is used to control a test printing process based on the connected reservoirs and connectors.
  • the controller can specify that if a first plug is used without a connected supply or return line, at least one plug with a connected supply and return line must be provided or with a connected lance.
  • a fluid channel can only be emptied in the event that the supply line is not immersed in an ink level in a canister.
  • the fluid supply can only be flushed if a flushing liquid is stored in a reservoir. Furthermore, it can be specified that the fluid supply can only be flushed if a reservoir for collecting used game fluid is not full, in order to avoid overflowing.
  • the invention relates to a test printing system with a fluid supply according to the invention, with a first print head and with a second print head, the first print head being coupled to the first fluid channel and the second print head to the second fluid channel.
  • the test printing system can have a modular structure and can be equipped with different print head modules from different industrial printing devices.
  • a test printing system can thus be specified, with a base station and with a first print head module, namely a print head module with a support structure which is set up for mechanically fastening the print head module (6) to the base station of the test printing system, with a print head of an industrial printing device which is connected to is attached to the support structure, with the print head being usable independently and separately from the support structure in the industrial printing device, with a network interface for connecting a power supply for the print head, with a control interface for connecting a controller for controlling the print head and with a fluid interface for connecting the print head to an ink reservoir, the first print head module being mechanically attached to the base station, the network interface of the print head module being connected to a power supply unit of the base station, the control interface of the print head module being connected to a controller the base station is connected and wherein the fluid interface of the print head module with a Ink reservoir of the base station is connected and wherein the fluid supply as part of the base station provides the ink supply to the print head.
  • the printhead module is individualized in particular printhead-specifically, while the base station has a universal design and can be used with different printhead modules that have different printheads.
  • a further embodiment of the test printing system is characterized by a second print head module according to the invention, the print head of the first print head module being set up for use in a first industrial printing device and the print head of the second print head module being set up for use in a second industrial printing device.
  • Each of the print head modules can be supplied with the fluid supply of the base station, so that the base station can be used universally and the print head modules are individualized specific to the print head.
  • the first print head is structurally different from the second print head and the first printing device is structurally different from the second print head device.
  • FIG 1 shows a schematic representation of a fluid supply 2 for a test printing system.
  • the fluid supply 2 has a first fluid channel 4 for supplying a first print head 6.
  • the fluid supply 2 has a second fluid channel 8 for supplying a second print head 10.
  • the fluid supply 2 has a distribution device 12 for connecting the first fluid channel 4 to the second fluid channel 8 and for separating the first fluid channel 4 from the second fluid channel 8.
  • the distribution device 12 is set up so that in a first operating state of the distribution device 12 a fluid transfer takes place between the first fluid channel 4 and the second fluid channel 8 .
  • the distribution device 12 is further set up so that in a second operating state Distribution device 12 no fluid transfer between the first fluid channel 4 and the second fluid channel 8 takes place.
  • FIG 1 describes the second operating state of the distribution device 12, with the fluid channels 4, 8 each being operated autonomously and independently of one another, with the first fluid channel 4 being coupled to a first ink reservoir 14 and the second fluid channel 8 being coupled to a second ink reservoir 16.
  • Each of the fluid channels 4, 8 is therefore connected to a separate supply line 18, 20 for removing liquid from the associated reservoir 14, 16, so that each fluid channel 4, 8 has a fluid channel-specific reservoir 14, 16.
  • the fluid channels 4, 8 are set up for the circulation of fluid via the associated print head 6,10, each fluid channel 4, 8 having a feed 20, 22 for supplying fluid to the respective print head 6, 10 and a return 24, 26 for returning of fluid from the respective print head 6,10.
  • each of the fluid channels 4, 8 is connected to a separate return line 28, 30, which leads into the respective assigned, fluid channel-specific reservoir 14, 16, so that the fluid, starting from the respective reservoir 14, 16 via the assigned flow 20, 22, associated printhead 6,10 and associated return 24,26 back to associated reservoir 14,16.
  • the fluid supply 2 can have three, four or more print heads, as indicated by way of example by the print head 32 additionally shown.
  • the printhead 32 is assigned a further fluid channel 34, which in the manner described above also has a flow and a return and can be connected to the fluid channels 4.8 or can be operated separately from them.
  • the distribution device 12 is presently designed as a modular system with distribution sockets 36, 38 and distribution plugs 40, 42, with the distribution sockets 36, 38 and the distribution plugs 40, 42 being set up to mechanically connect the fluid channels 4, 8 to one another and these with the aid of the distribution plugs 40, 42 to be mechanically connected or to be mechanically separated from one another.
  • the distribution bushing 36 is assigned to the fluid channel 4 and the distribution bushing 38 is assigned to the fluid channel 8 .
  • Each of the distribution bushings 36, 38 has four separate bushings - namely a first forward bushing 44, a first return bushing 46, a second forward bushing 48 and a second return bushing 50.
  • the first advance bushing 44 of a respective distribution bushing 36, 38 is connected to the respective advance 20, 22 of the associated fluid channel 4, 8.
  • the first return socket 46 of the respective distribution socket 36, 38 is connected to the respective return 24, 26 of the associated fluid channel 4.8.
  • the second flow bushings 48 and the second return bushings 50 of the fluid channels 4, 8 are connected to one another.
  • the respective second distributor plugs 40, 42 do not establish a fluid connection between the respective first advance bushing 44 and the respective second advance bushing 48 of the respective distribution bushing 36, 38, so that the advances 20, 22 of the fluid channels 4, 8 are separated from one another and in the present case there is no fluid connection between the heats 20, 22 consists.
  • the respective second distribution plugs 40, 42 do not establish a fluid connection between the respective first return bushing 46 and the respective second return bushing 50 of the respective distribution bushing 36, 38, so that the returns 24, 26 of the fluid channels 4, 8 are separated from one another and in the present case there is no fluid connection between the returns 24, 26 consists.
  • Each of the second distribution plugs 40, 42 is therefore connected to the respectively associated separate supply line 18, 20 and the respectively associated separate return line 28, 30 in order to close the fluid circuit to the fluid channel-specific reservoir 14, 16.
  • the supply line 18 and the return line 28 are presently housed within a lance, the lance being inserted into the reservoir 14 .
  • the lance (not shown) is connected to the distribution plug 40 and, together with the supply line 18 , the distribution plug 40 and the return line 28 , forms a manageable unit that can be detached from the reservoir 14 and the distribution socket 36 .
  • the supply line 20 and the return line 30 of the fluid channel 8 are within one
  • the lance (not shown), the lance being inserted into the fluid channel-specific reservoir 16 and the lance being connected to the distribution plug 42 and together with the supply line 20, the return line 30 and the distribution plug 42 forming a separately manageable unit which is Distribution sleeve 40 can be removed and removed from the reservoir 16.
  • FIG 2 shows the fluid supply 2 figure 1 , A first distribution plug 52 now being attached to the distribution socket 36 .
  • the first distributor plug 52 bridges the first advance bushing 44 and the second advance bushing 48 so that a fluid connection between the first advance bushing 44 and the second advance bushing 48 of the distributor bushing 36 is established.
  • first distribution plug 52 bridges the first return bushing 46 of the distribution bushing 36 and the second return bushing 50 of the distribution bushings 36, so that a fluid connection is formed between the first return bushing 46 and the second return bushing 50 of the first of the distribution bushings 36.
  • the supply line 18 is routed into the fluid canister 14 , in which rinsing liquid is received in the present case in order to clean the print head 6 .
  • the rinsing liquid is fed via a return line 44 into a container 56 in order to receive the used rinsing liquid.
  • figure 3 is analogous to figure 2 constructed, wherein a first distributor plug 58 is additionally plugged onto the distributor bushing 38 in order to bridge the first flow bushing 44 and the second flow bushing 48 and to establish a fluid connection between them and also to bridge the first return bushing 46 and the second return bushing 50 of the second distribution bushing 38 and establish a fluid connection.
  • a fluid connection between the first flow 20 and the first flow 22 is established by the first distribution plug 58 now being attached to the socket 38 .
  • the fluid channels 4, 8 are therefore connected to one another on the inflow side.
  • a fluid connection between the return 24 of the first fluid channel 4 and the return 26 of the second fluid channel 8 is now established by the first distributor plugs 52 , 58 plugged onto the sockets 36 , 38 .
  • the print heads 6, 10 can accordingly be fed via a common reservoir 14.
  • the print head 32 could also be fed together with the print heads 6 and 10 via a common reservoir 14 .

Landscapes

  • Ink Jet (AREA)
  • Pens And Brushes (AREA)

Claims (18)

  1. Alimentation en fluide pour un système d'impression d'essai,
    - comportant un premier canal de fluide (4) permettant d'alimenter une première tête d'impression (6),
    - comportant un second canal de fluide (8) permettant d'alimenter une seconde tête d'impression (10),
    - comportant un dispositif de distribution (12) permettant de relier le premier canal de fluide (4) au second canal de fluide (8) et permettant de séparer le premier canal de fluide (4) du second canal de fluide (8),
    - dans lequel le dispositif de distribution (12) est conçu de telle sorte que, dans un premier état de fonctionnement du dispositif de distribution, un transfert de fluide entre le premier canal de fluide (4) et le second canal de fluide (8) est effectué et
    - dans lequel le dispositif de distribution (12) est conçu de telle sorte que, dans un second état de fonctionnement du dispositif de distribution, aucun transfert de fluide entre le premier canal de fluide (4) et le second canal de fluide (8) n'est effectué.
  2. Alimentation en fluide selon la revendication 1,
    caractérisée en ce que
    - l'un des canaux de fluide (4) est relié à une conduite d'alimentation (18) pour le retrait de liquide d'un réservoir (14) et
    - dans le cas où le dispositif de distribution est dans le premier état de fonctionnement, l'autre canal de fluide (8) est relié à la conduite d'alimentation (18) par l'intermédiaire du dispositif de distribution (12).
  3. Alimentation en fluide selon la revendication 1,
    caractérisée en ce que
    - chacun des canaux de fluide (4, 8) est relié à une conduite d'alimentation (18, 20) séparée pour le retrait de liquide d'un réservoir (14, 16) séparé spécifique à un canal de fluide et
    - dans le cas où le dispositif de distribution (12) est dans le second état de fonctionnement, un approvisionnement en fluide séparé est fourni pour chaque canal de fluide (4, 8).
  4. Alimentation en fluide selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    - les canaux de fluide (4, 8) sont conçus pour faire circuler le fluide par l'intermédiaire de la tête d'impression (6, 10) respectivement associée,
    - dans laquelle chaque canal de fluide (4, 8) comprend un départ (20, 22) permettant d'alimenter la tête d'impression (6, 10) respective en fluide et un retour (24, 26) permettant de remettre en circulation le fluide depuis la tête d'impression (6, 10) respective.
  5. Alimentation en fluide selon la revendication 2 et la revendication 4,
    caractérisée en ce que
    - l'un des canaux de fluide (4) est relié à une conduite de remise en circulation (54) permettant de remettre en circulation le liquide vers un réservoir (56) et
    - dans le cas où le dispositif de distribution est dans le premier état de fonctionnement, l'autre canal de fluide (8) est relié à la conduite de remise en circulation (54) par l'intermédiaire du dispositif de distribution (12).
  6. Alimentation en fluide selon la revendication 3 et la revendication 4,
    caractérisée en ce que
    - chacun des canaux de fluide (4, 8) est relié à une conduite de remise en circulation (28, 30) séparée permettant de remettre en circulation le liquide vers un réservoir (14, 16) séparé spécifique à un canal de fluide et
    - dans le cas où le dispositif de distribution est dans le second état de fonctionnement, une remise en circulation de fluide séparé est fournie pour chaque canal de fluide (4, 8).
  7. Alimentation en fluide selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    - au moins trois canaux de fluide (4, 8, 34) peuvent être reliés les uns aux autres et séparés les uns des autres par l'intermédiaire du dispositif de distribution.
  8. Alimentation en fluide selon l'une quelconque des revendications précédentes,
    caractérisée en ce que
    - le dispositif de distribution comporte un système modulaire comportant des douilles de distribution (36, 38) et des fiches de distribution (40, 42, 52, 58),
    - dans laquelle les douilles de distribution (36, 38) et les fiches de distribution (40, 42, 52, 58) sont conçues pour interconnecter mécaniquement les canaux de fluide (4, 8) afin de les relier mécaniquement ou de les séparer les uns des autres mécaniquement à l'aide des fiches de distribution (40, 42, 52, 58).
  9. Alimentation en fluide selon la revendication 4 et la revendication 8,
    caractérisée en ce que
    - à chaque canal de fluide (4, 8), une douille de distribution (36, 38) est respectivement associée,
    - dans laquelle une douille de distribution (36, 38) respective comprend quatre douilles (44, 46, 48, 40) séparées, à savoir une première douille de départ (44), une première douille de retour (46), une seconde douille de départ (48) et une seconde douille de retour (50),
    - dans laquelle la première douille de départ (44) d'une douille de distribution (36, 38) respective est reliée au départ (20, 22) du canal de fluide (4, 8) associé et la première douille de retour (46) d'une douille de distribution (4, 8) respective est reliée au retour (24, 26) du canal de fluide associé,
    - dans laquelle les secondes douilles de départ (48) des douilles de distribution (36, 38) sont reliées entre elles et les secondes douilles de retour (50) des douilles de distribution (36, 38) sont reliées entre elles.
  10. Alimentation en fluide selon les revendications 5 et 9,
    caractérisée par
    - les premières fiches de distribution (52, 58), lesquelles sont enfichées sur les douilles de distribution (36, 38) pour la fourniture du premier état de fonctionnement,
    - dans laquelle une première fiche de distribution (52, 58) respective établit une liaison fluidique entre la première douille de départ (44) et la seconde douille de départ (48) d'une douille de distribution (36, 38) respective afin de relier les départs (20, 22) des canaux de fluide (4, 8) entre eux,
    - dans laquelle une première fiche de distribution (52, 58) respective établit une liaison fluidique entre la première douille de retour (46, 50) et la seconde douille de retour (46, 50) d'une douille de distribution (36, 38) respective afin de relier les retours (24, 26) des canaux de fluide (4, 8) entre eux,
    - dans laquelle l'une des premières fiches de distribution (52) est reliée à la conduite d'alimentation (18) et
    - dans laquelle l'une des premières fiches de distribution (52) est reliée à la conduite de remise en circulation (54).
  11. Alimentation en fluide selon la revendication 6 et la revendication 9,
    caractérisée par
    - les secondes fiches de distribution (40, 42), lesquelles sont enfichées sur les douilles de distribution (36, 38) pour la fourniture du second état de fonctionnement,
    - dans laquelle une seconde fiche de distribution (40, 42) respective n'établit pas de liaison fluidique entre la première douille de départ (44) et la seconde douille de départ (48) d'une douille de distribution (36, 38) respective et les départs (20, 22) des canaux de fluide (4, 8) sont séparés les unes des autres,
    - dans laquelle une seconde fiche de distribution (40, 42) respective n'établit pas de liaison fluidique entre la première douille de retour (46) et la seconde douille de retour (50) d'une douille de distribution (36, 38) respective et les retours (24, 26) des canaux de fluide (4, 8) sont séparés les uns des autres,
    - dans laquelle chacune des secondes fiches de distribution (40, 42) est reliée à la conduite d'alimentation (18, 20) séparée respective et
    - dans laquelle chacune des secondes fiches de distribution (40, 42) est reliée à la conduite de remise en circulation (28, 30) séparée respective.
  12. Alimentation en fluide selon la revendication 10,
    caractérisée en ce que
    - la conduite d'alimentation et la conduite de remise en circulation sont logées à l'intérieur d'une lance,
    - dans laquelle la lance est conçue pour être insérée dans un réservoir,
    - dans laquelle l'une des premières fiches de distribution est reliée à la conduite d'alimentation et à la conduite de remise en circulation,
    - dans laquelle la lance est reliée à ladite première fiche de distribution et
    - dans laquelle la lance forme, conjointement avec la conduite d'alimentation, la conduite de remise en circulation et la première fiche de distribution, une unité pouvant être manipulée séparément.
  13. Alimentation en fluide selon la revendication 11,
    caractérisée en ce que
    - la conduite d'alimentation (12, 20) et la conduite de remise en circulation (28, 30) d'un canal de fluide (4, 8) respectif sont respectivement logées à l'intérieur d'une lance,
    - dans laquelle la lance respective est conçue pour être insérée dans le réservoir (14, 16) séparé spécifique à un canal de fluide respectif,
    - dans laquelle la lance est reliée à la seconde fiche de distribution (40, 42) respective et
    - dans laquelle chaque lance forme, conjointement avec la conduite d'alimentation (12, 20), la conduite de mise en circulation (12, 20) et la seconde fiche de distribution (40, 42) respective, une unité pouvant être manipulée séparément.
  14. Alimentation en fluide selon la revendication 10,
    caractérisée en ce que
    - la conduite d'alimentation est logée à l'intérieur d'une lance,
    - dans laquelle la lance est conçue pour être insérée dans un premier réservoir,
    - dans laquelle l'une des premières fiches de distribution est reliée à la conduite d'alimentation et à la
    conduite de remise en circulation,
    - dans laquelle la lance est reliée à ladite première fiche de distribution,
    - dans laquelle la conduite de remise en circulation est conçue pour être insérée dans un second réservoir et
    - dans laquelle la lance forme, conjointement avec la conduite d'alimentation, la conduite de remise en circulation et la première fiche de distribution, une unité pouvant être manipulée séparément.
  15. Alimentation en fluide selon l'une quelconque des revendications 12 à 14,
    caractérisée en ce que
    - la lance comporte au moins un capteur de niveau de remplissage permettant de détecter un niveau de remplissage dans un réservoir, tel qu'un interrupteur à flotteur, un capteur à ultrasons ou similaire,
    - dans laquelle la fiche de distribution comporte des conduites de capteur électriques et des connecteurs enfichables associés, lesquels sont reliés au capteur de niveau de remplissage,
    et/ou
    - la fiche de distribution comporte un dispositif d'identification de la fiche de distribution et/ou de la lance
    et/ou
    - la fiche de distribution comporte une mémoire de données non volatile.
  16. Alimentation en fluide selon l'une quelconque des revendications précédentes 9 à 15,
    caractérisée en ce que
    - les douilles comprennent des soupapes à fermeture automatique.
  17. Alimentation en fluide selon l'une quelconque des revendications précédentes,
    caractérisée par
    - une électronique d'évaluation et une commande comportant un logiciel de commande.
  18. Système d'impression d'essai,
    - comportant une alimentation en fluide selon l'une quelconque des revendications précédentes,
    - comportant une première tête d'impression et comportant une seconde tête d'impression,
    - dans lequel la première tête d'impression est couplée au premier canal de fluide et la seconde tête d'impression est couplée au second canal de fluide.
EP19172317.0A 2019-05-02 2019-05-02 Alimentation en encre et système d'impression d'essai Active EP3733417B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19172317.0A EP3733417B1 (fr) 2019-05-02 2019-05-02 Alimentation en encre et système d'impression d'essai
ES19172317T ES2941500T3 (es) 2019-05-02 2019-05-02 Suministro de tinta y sistema de prueba de impresión

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19172317.0A EP3733417B1 (fr) 2019-05-02 2019-05-02 Alimentation en encre et système d'impression d'essai

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EP3733417A1 EP3733417A1 (fr) 2020-11-04
EP3733417B1 true EP3733417B1 (fr) 2023-01-25

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Publication number Priority date Publication date Assignee Title
CN115416405A (zh) * 2022-10-08 2022-12-02 杭州爱新凯科技有限公司 一种印刷墨路分配板及打印喷头组件

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1955853B1 (fr) * 2007-02-08 2010-04-07 Mimaki Engineering Co., Ltd. Imprimante

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833491A (en) * 1988-06-15 1989-05-23 Xerox Corporation Thermal ink jet printer adapted to operate in monochrome, highlight or process color modes
US20090021542A1 (en) * 2007-06-29 2009-01-22 Kanfoush Dan E System and method for fluid transmission and temperature regulation in an inkjet printing system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1955853B1 (fr) * 2007-02-08 2010-04-07 Mimaki Engineering Co., Ltd. Imprimante

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EP3733417A1 (fr) 2020-11-04

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