JP2019014254A5 - Recording device, circulation device, and control method of recording device - Google Patents

Recording device, circulation device, and control method of recording device Download PDF

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JP2019014254A5
JP2019014254A5 JP2018129324A JP2018129324A JP2019014254A5 JP 2019014254 A5 JP2019014254 A5 JP 2019014254A5 JP 2018129324 A JP2018129324 A JP 2018129324A JP 2018129324 A JP2018129324 A JP 2018129324A JP 2019014254 A5 JP2019014254 A5 JP 2019014254A5
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本発明は、記録装置、循環装置、および記録装置の制御方法に関する。 The present invention relates to a recording device, a circulation device, and a method for controlling the recording device.

本発明は、上記課題に鑑み、記録ヘッドとタンクの間でインクを循環する構成においてＦＰＯＴを短縮することが可能な記録装置、循環装置、および記録装置の制御方法を提供することを目的とする。 In view of the above problems, it is an object of the present invention to provide a recording device, a circulation device, and a control method of the recording device capable of shortening the FPOT in a configuration in which ink is circulated between the recording head and the tank. ..

本発明の一態様に係る記録装置は、液体を吐出する記録ヘッドへ供給される液体を収容するタンクと、前記タンクから前記記録ヘッドに液体を流す第１の流路と、前記記録ヘッドから前記タンクへと液体を流す第２の流路と、前記タンク、前記第１の流路、前記記録ヘッドおよび前記第２の流路を含む循環経路において、液体を循環させる循環ユニットと、を有し、前記循環ユニットは、前記循環経路内の液体を第１の流量で循環させることと、前記循環経路内の液体を前記第１の流量と異なる第２の流量で循環させることと、が可能であることを特徴とする。 The recording device according to one aspect of the present invention includes a tank for accommodating a liquid supplied to a recording head that discharges a liquid, a first flow path for flowing the liquid from the tank to the recording head, and the recording head to the recording head. It has a second flow path for flowing a liquid to the tank, and a circulation unit for circulating the liquid in a circulation path including the tank, the first flow path, the recording head, and the second flow path. The circulation unit can circulate the liquid in the circulation path at a first flow rate and circulate the liquid in the circulation path at a second flow rate different from the first flow rate. It is characterized by being.

Claims (36)

液体を吐出する記録ヘッドへ供給される液体を収容するタンクと、
前記タンクから前記記録ヘッドに液体を流す第１の流路と、
前記記録ヘッドから前記タンクへと液体を流す第２の流路と、
前記タンク、前記第１の流路、前記記録ヘッドおよび前記第２の流路を含む循環経路において、液体を循環させる循環ユニットと、を有し、
前記循環ユニットは、前記循環経路内の液体を第１の流量で循環させることと、前記循環経路内の液体を前記第１の流量と異なる第２の流量で循環させることと、が可能であることを特徴とする記録装置。 A tank that houses the liquid supplied to the recording head that discharges the liquid, and
A first flow path for flowing a liquid from the tank to the recording head,
A second flow path for flowing liquid from the recording head to the tank,
It has a circulation unit for circulating a liquid in a circulation path including the tank, the first flow path, the recording head, and the second flow path.
The circulation unit can circulate the liquid in the circulation path at a first flow rate and circulate the liquid in the circulation path at a second flow rate different from the first flow rate. A recording device characterized in that. 前記循環ユニットは、前記第１の流路に配される供給ポンプを含むことを特徴とする請求項１に記載の記録装置。 The recording device according to claim 1, wherein the circulation unit includes a supply pump arranged in the first flow path. 前記循環ユニットは、前記第２の流路に配される回収ポンプを含むことを特徴とする請求項１または２に記載の記録装置。 The recording device according to claim 1 or 2, wherein the circulation unit includes a recovery pump arranged in the second flow path. 前記循環ユニットは、前記タンク、前記第１の流路、前記記録ヘッド、前記第２の流路の順で、液体を循環させることを特徴とする請求項１から３のいずれか１項に記載の記録装置。 The invention according to any one of claims 1 to 3, wherein the circulation unit circulates a liquid in the order of the tank, the first flow path, the recording head, and the second flow path. Recording device. 前記記録ヘッドは、吐出口と、液体を吐出するためのエネルギーを生成する記録素子と、前記記録素子と面する空間である圧力室と、を有し、前記吐出口は前記圧力室を介して供給される液体を吐出し、前記循環経路は前記圧力室を含むことを特徴とする請求項１から４のいずれか１項に記載の記録装置。 The recording head has a discharge port, a recording element that generates energy for discharging a liquid, and a pressure chamber that is a space facing the recording element, and the discharge port passes through the pressure chamber. The recording device according to any one of claims 1 to 4, wherein the supplied liquid is discharged, and the circulation path includes the pressure chamber. 前記循環ユニットは、前記循環経路内の液体の循環を開始してから所定時間が経過するまで、前記第２の流量で前記循環経路内の液体を循環させることを特徴とする請求項５に記載の記録装置。 The fifth aspect of claim 5, wherein the circulation unit circulates the liquid in the circulation path at the second flow rate from the start of circulation of the liquid in the circulation path until a predetermined time elapses. Recording device. 前記記録ヘッドは、ブラックインクとカラーインクとを吐出可能であり、
モノクロモードの記録動作を行うときは前記ブラックインクのみを循環し、カラーモードの記録動作を行うときは前記ブラックインクと前記カラーインクを循環し、
前記モノクロモードの記録動作の後に前記カラーモードの記録動作を行う場合は、前記循環ユニットが前記循環経路内の液体を前記第２の流量で循環させる時間を前記所定時間よりも長くすることを特徴とする請求項６に記載の記録装置。 The recording head is capable of ejecting black ink and color ink.
When performing the monochrome mode recording operation, only the black ink is circulated, and when performing the color mode recording operation, the black ink and the color ink are circulated.
When the color mode recording operation is performed after the monochrome mode recording operation, the time for the circulation unit to circulate the liquid in the circulation path at the second flow rate is longer than the predetermined time. The recording device according to claim 6. 前記記録ヘッドは、前記第１の流路と接続され前記圧力室に液体を供給するための共通供給流路と、前記第１の流路及び前記第２の流路と接続され前記圧力室から液体を回収するための共通回収流路と、前記第１の流路と前記共通供給流路との間に設けられ負圧を制御する第１の負圧制御手段と、前記第１の流路と前記共通回収流路との間に設けられ負圧を制御する第２の負圧制御手段と、を有することを特徴とする請求項６または７に記載の記録装置。 The recording head is connected to the first flow path and is connected to a common supply flow path for supplying a liquid to the pressure chamber, and is connected to the first flow path and the second flow path from the pressure chamber. A common recovery flow path for recovering a liquid, a first negative pressure control means provided between the first flow path and the common supply flow path to control a negative pressure, and the first flow path. The recording device according to claim 6 or 7, further comprising a second negative pressure control means for controlling the negative pressure, which is provided between the common recovery flow path and the common recovery flow path. 前記所定時間は、前記第１の負圧制御手段と前記第２の負圧制御手段との間に所定の差圧が生じるまでの時間であることを特徴とする請求項８に記載の記録装置。 The recording device according to claim 8, wherein the predetermined time is a time until a predetermined differential pressure is generated between the first negative pressure control means and the second negative pressure control means. .. 前記記録ヘッドによる記録動作中に、前記循環ユニットが前記第１の流量で液体を循環させることを特徴とする請求項１から９のいずれか１項に記載の記録装置。 The recording device according to any one of claims 1 to 9, wherein the circulation unit circulates a liquid at the first flow rate during a recording operation by the recording head. 前記記録動作の指示が入力された場合、前記循環ユニットによる液体の循環が開始されることを特徴とする請求項１０に記載の記録装置。 The recording device according to claim 10, wherein when the instruction of the recording operation is input, the circulation of the liquid by the circulation unit is started. 前の記録動作終了からの経過時間に応じて、前記循環ユニットが前記循環経路内の液体を前記第２の流量で循環させる時間を変更することを特徴とする請求項１０または１１に記載の記録装置。 The recording according to claim 10 or 11, wherein the circulation unit changes the time for circulating the liquid in the circulation path at the second flow rate according to the elapsed time from the end of the previous recording operation. Device. 前記循環経路内に、容積可変であるバッファ室が設けられることを特徴とする請求項１から１２のいずれか１項に記載の記録装置。 The recording device according to any one of claims 1 to 12, wherein a buffer chamber having a variable volume is provided in the circulation path. 前記バッファ室は、前記循環経路内を液体が循環している状態の容積が、前記循環経路内を液体が循環していない状態の容積よりも小さいことを特徴とする請求項１３に記載の記録装置。 The record according to claim 13, wherein the volume of the buffer chamber in a state where the liquid circulates in the circulation path is smaller than the volume in the state where the liquid does not circulate in the circulation path. Device. 前記記録ヘッドは、インクを吐出して画像を形成することを特徴とする請求項１から１４のいずれか１項に記載の記録装置。 The recording device according to any one of claims 1 to 14, wherein the recording head ejects ink to form an image. 液体を吐出する記録ヘッドに液体を供給する供給部と、
液体を収容するタンクから前記供給部を経由して前記記録ヘッドへ、また、前記記録ヘッドから前記タンクへ、と液体が流れるように循環させる駆動ユニットと、を有し、
前記駆動ユニットは、液体を第１の流量で循環させることと、液体を前記第１の流量と異なる第２の流量で循環させることと、が可能であることを特徴とする循環装置。 A supply unit that supplies liquid to the recording head that discharges liquid,
It has a drive unit that circulates the liquid from the tank containing the liquid to the recording head via the supply unit and from the recording head to the tank so that the liquid flows.
The drive unit is a circulation device capable of circulating a liquid at a first flow rate and circulating a liquid at a second flow rate different from the first flow rate. 前記駆動ユニットは、ポンプを含むことを特徴とする請求項１６に記載の循環装置。 The circulation device according to claim 16, wherein the drive unit includes a pump. 液体を吐出する記録ヘッドへ供給される液体を収容するタンクと、
前記タンクから前記記録ヘッドへと液体を流す第１の流路と、
前記記録ヘッドから前記タンクへと液体を流す第２の流路と、
前記タンク、前記第１の流路、前記記録ヘッドおよび前記第２の流路を含む循環経路において液体を循環させる循環ユニットと、を有する記録装置の制御方法であって、
第１の流量で液体を循環させる工程と、前記第１の流量と異なる第２の流量で液体を循環させる工程と、を有することを特徴とする記録装置の制御方法。 A tank that houses the liquid supplied to the recording head that discharges the liquid, and
A first flow path for flowing liquid from the tank to the recording head,
A second flow path for flowing liquid from the recording head to the tank,
A method for controlling a recording device having a tank, a first flow path, a recording head, and a circulation unit for circulating a liquid in a circulation path including the second flow path.
A method for controlling a recording device, which comprises a step of circulating a liquid at a first flow rate and a step of circulating a liquid at a second flow rate different from the first flow rate. 前記循環ユニットは、前記第１の流路に配される供給ポンプを含むことを特徴とする請求項１８に記載の記録装置の制御方法。 The method for controlling a recording device according to claim 18, wherein the circulation unit includes a supply pump arranged in the first flow path. 前記循環ユニットは、前記第２の流路に配される回収ポンプを含むことを特徴とする請求項１８または１９に記載の記録装置の制御方法。 The method for controlling a recording device according to claim 18 or 19, wherein the circulation unit includes a recovery pump arranged in the second flow path. 前記循環ユニットは、前記タンク、前記第１の流路、前記記録ヘッド、前記第２の流路の順で、液体を循環させることを特徴とする請求項１８から２０のいずれか１項に記載の記録装置の制御方法。 The one according to any one of claims 18 to 20, wherein the circulation unit circulates a liquid in the order of the tank, the first flow path, the recording head, and the second flow path. How to control the recording device. 前記記録ヘッドは、吐出口と、液体を吐出するためのエネルギーを生成する記録素子と、前記記録素子と面する空間である圧力室と、を有し、前記吐出口は前記圧力室を介して供給される液体を吐出し、前記循環経路は前記圧力室を含むことを特徴とする請求項１８から２１のいずれか１項に記載の記録装置の制御方法。 The recording head has a discharge port, a recording element that generates energy for discharging a liquid, and a pressure chamber that is a space facing the recording element, and the discharge port passes through the pressure chamber. The control method for a recording device according to any one of claims 18 to 21, wherein the supplied liquid is discharged, and the circulation path includes the pressure chamber. 前記循環ユニットは、前記循環経路内の液体の循環を開始してから所定時間が経過するまで、前記第２の流量で前記循環経路内の液体を循環させることを特徴とする請求項２２に記載の記録装置の制御方法。 22. How to control the recording device. 前記記録ヘッドは、ブラックインクとカラーインクとを吐出可能であり、
モノクロモードの記録動作を行うときは前記ブラックインクのみを循環し、カラーモードの記録動作を行うときは前記ブラックインクと前記カラーインクを循環し、
前記モノクロモードの記録動作の後に前記カラーモードの記録動作を行う場合は、前記循環ユニットが前記循環経路内の液体を前記第２の流量で循環させる時間を前記所定時間よりも長くすることを特徴とする請求項２３に記載の記録装置の制御方法。 The recording head is capable of ejecting black ink and color ink.
When performing the monochrome mode recording operation, only the black ink is circulated, and when performing the color mode recording operation, the black ink and the color ink are circulated.
When the color mode recording operation is performed after the monochrome mode recording operation, the time for the circulation unit to circulate the liquid in the circulation path at the second flow rate is longer than the predetermined time. The control method of the recording device according to claim 23. 前記記録ヘッドは、前記第１の流路と接続され前記圧力室に液体を供給するための共通供給流路と、前記第１の流路及び前記第２の流路と接続され前記圧力室から液体を回収するための共通回収流路と、前記第１の流路と前記共通供給流路との間に設けられ負圧を制御する第１の負圧制御手段と、前記第１の流路と前記共通回収流路との間に設けられ負圧を制御する第２の負圧制御手段と、を有することを特徴とする請求項２３または２４に記載の記録装置の制御方法。 The recording head is connected to the first flow path and is connected to a common supply flow path for supplying a liquid to the pressure chamber, and is connected to the first flow path and the second flow path from the pressure chamber. A common recovery flow path for recovering a liquid, a first negative pressure control means provided between the first flow path and the common supply flow path to control a negative pressure, and the first flow path. The control method for a recording device according to claim 23 or 24, wherein the second negative pressure control means for controlling the negative pressure is provided between the common recovery flow path and the common recovery flow path. 前記所定時間は、前記第１の負圧制御手段と前記第２の負圧制御手段との間に所定の差
圧が生じるまでの時間であることを特徴とする請求項２５に記載の記録装置の制御方法。 The recording device according to claim 25, wherein the predetermined time is a time until a predetermined differential pressure is generated between the first negative pressure control means and the second negative pressure control means. Control method. 前記記録ヘッドによる記録動作中に、前記循環ユニットが前記第１の流量で液体を循環させることを特徴とする請求項１８から２６のいずれか１項に記載の記録装置の制御方法。 The control method for a recording device according to any one of claims 18 to 26, wherein the circulation unit circulates a liquid at the first flow rate during a recording operation by the recording head. 前記記録動作の指示が入力された場合、前記循環ユニットによる液体の循環が開始されることを特徴とする請求項２７に記載の記録装置の制御方法。 The control method for a recording device according to claim 27, wherein when the instruction for the recording operation is input, the circulation of the liquid by the circulation unit is started. 前の記録動作終了からの経過時間に応じて、前記循環ユニットが前記循環経路内の液体を前記第２の流量で循環させる時間を変更することを特徴とする請求項２７または２８に記載の記録装置の制御方法。 28. The recording according to claim 27 or 28, wherein the circulation unit changes the time for circulating the liquid in the circulation path at the second flow rate according to the elapsed time from the end of the previous recording operation. How to control the device. 前記循環経路内に、容積可変であるバッファ室が設けられることを特徴とする請求項１８から２９のいずれか１項に記載の記録装置の制御方法。 The control method for a recording device according to any one of claims 18 to 29, wherein a buffer chamber having a variable volume is provided in the circulation path. 前記バッファ室は、前記循環経路内を液体が循環している状態の容積が、前記循環経路内を液体が循環していない状態の容積よりも小さいことを特徴とする請求項３０に記載の記録装置の制御方法。 The record according to claim 30, wherein the volume of the buffer chamber in a state where the liquid circulates in the circulation path is smaller than the volume of the state in which the liquid does not circulate in the circulation path. How to control the device. 前記記録ヘッドは、インクを吐出して画像を形成することを特徴とする請求項１８から３１のいずれか１項に記載の記録装置の制御方法。 The method for controlling a recording device according to any one of claims 18 to 31, wherein the recording head ejects ink to form an image. 液体を吐出する吐出口と、液体を吐出するためのエネルギーを生成する記録素子と、前記記録素子と面する空間である圧力室と、を有し、前記圧力室を介して供給される液体を前記吐出口から吐出する記録ヘッドと、
前記圧力室の外部から前記圧力室の内部へ、また、前記圧力室の内部から前記圧力室の外部へ、と液体の循環を行う循環ユニットを有し、
前記循環ユニットは、液体を第１の流量で循環させることと、液体を前記第１の流量と異なる第２の流量で循環させることと、が可能であることを特徴とする記録装置。 A discharge port for discharging a liquid, a recording element for generating energy for discharging the liquid, and a pressure chamber which is a space facing the recording element, and the liquid supplied through the pressure chamber is provided. A recording head that discharges from the discharge port and
It has a circulation unit that circulates a liquid from the outside of the pressure chamber to the inside of the pressure chamber and from the inside of the pressure chamber to the outside of the pressure chamber.
The circulation unit is a recording device capable of circulating a liquid at a first flow rate and circulating a liquid at a second flow rate different from the first flow rate. 記録ヘッドの圧力室の外部から前記圧力室の内部へ、また、前記圧力室の内部から前記圧力室の外部へ、と液体の循環を行う循環ユニットを有し、
前記圧力室は、液体を吐出するエネルギーを生成する記録素子と面し、前記記録ヘッドは、前記圧力室を介して供給される液体を吐出口から吐出するものであって、
前記循環ユニットは、液体を第１の流量で循環させることと、液体を前記第１の流量と異なる第２の流量で循環させることと、が可能であることを特徴とする循環装置。 It has a circulation unit that circulates a liquid from the outside of the pressure chamber of the recording head to the inside of the pressure chamber, and from the inside of the pressure chamber to the outside of the pressure chamber.
The pressure chamber faces a recording element that generates energy for discharging a liquid, and the recording head discharges the liquid supplied through the pressure chamber from a discharge port.
The circulation unit is a circulation device characterized in that it is possible to circulate a liquid at a first flow rate and to circulate a liquid at a second flow rate different from the first flow rate. 前記圧力室に液体を供給する供給部を有することを特徴とする請求項３４に記載の循環装置。 The circulation device according to claim 34, further comprising a supply unit for supplying a liquid to the pressure chamber. 液体を吐出する吐出口と、液体を吐出するためのエネルギーを生成する記録素子と、前記記録素子と面する空間である圧力室と、を有し、前記圧力室を介して供給される液体を前記吐出口から吐出する記録ヘッドと、
前記圧力室の外部から前記圧力室の内部へ、また、前記圧力室の内部から前記圧力室の外部へ、と液体の循環を行う循環ユニットを有する記録装置の制御方法であって、
第１の流量で液体を循環させる工程と、前記第１の流量と異なる第２の流量で液体を循環させる工程と、を有することを特徴とする記録装置の制御方法。 A discharge port for discharging a liquid, a recording element for generating energy for discharging the liquid, and a pressure chamber which is a space facing the recording element, and the liquid supplied through the pressure chamber is provided. A recording head that discharges from the discharge port and
A control method for a recording device having a circulation unit that circulates a liquid from the outside of the pressure chamber to the inside of the pressure chamber and from the inside of the pressure chamber to the outside of the pressure chamber.
A method for controlling a recording device, which comprises a step of circulating a liquid at a first flow rate and a step of circulating a liquid at a second flow rate different from the first flow rate.
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