CN-117922162-B - Ink jet recording apparatus

Abstract

The invention provides an inkjet recording apparatus. The ink jet recording apparatus includes a recording head, a waste toner container, and a suction mechanism for sucking gas from the waste toner container, wherein the waste toner container includes a suction port connected to the suction mechanism, a first receiving port for receiving toner, a porous absorbing member, and a first air passage formed by a space where the absorbing member is not present and connecting the first receiving port and the suction port, and the waste toner container further includes a partition member having a lower air permeability than the absorbing member, and the partition member is disposed on a path from the first receiving port, through the inside of the absorbing member, and to the suction port without passing through the first air passage.

Inventors

• AIICHIRO OTANA

Assignees

• 京瓷办公信息系统株式会社

Dates

Publication Date

20260512

Application Date

20231023

Priority Date

20221024

Claims (6)

1. 1. An inkjet recording apparatus includes: A recording head that records an image on a sheet by discharging ink; A waste toner container having a storage area inside, in which the toner that is discharged from the recording head but is not used in recording of the image is stored, and A suction mechanism that sucks gas from the waste toner container, The waste toner container has: A suction port connected to the suction mechanism; a first receiving port that receives the ink discharged from the recording head; a porous absorbing member disposed in the storage region and absorbing the ink, and A first air passage formed by a space in the storage area where the absorbing member is not present, the first air passage connecting the first receiving port and the suction port and allowing a suction air flow generated by driving the suction mechanism to pass therethrough, The waste toner container further has a partition member having lower air permeability than the absorbing member, The partition member is disposed on a path from the first receiving port to the suction port through the inside of the absorbing member without passing through the first air passage, The first receiving port and the suction port are arranged at a distance from each other in a first direction as viewed from the opening direction of the first receiving port, The partition member is disposed on the shortest path from the first receiving port to the suction port in the first direction, The first air path is formed to bypass the shortest path.
2. 2. The ink jet recording apparatus as claimed in claim 1, wherein, The partition member is disposed between the first receiving port and the first direction of the suction port so as to extend in a second direction intersecting the first direction when viewed from the opening direction, An end portion of the partition member on one side in the second direction as viewed from the opening direction protrudes further toward the one side than an end portion of the first receiving port on the one side, An end portion of the partition member on the other side in the second direction as viewed from the opening direction protrudes further toward the other side than an end portion of the first receiving opening on the other side.
3. 3. The ink jet recording apparatus according to claim 1 or 2, wherein, The partition member extends in an opening direction of the first receiving port to a range including the first air passage.
4. 4. The ink jet recording apparatus according to claim 1 or 2, wherein, The waste toner container further has: A plurality of second receiving ports for receiving the ink discharged from the recording head, and A plurality of second air passages formed by a space in the storage area where the absorbing member is not present, connecting each of the plurality of second receiving ports with the suction port, passing a suction air flow generated by driving of the suction mechanism, The first air path has a shape different from the plurality of second air paths, The plurality of second air passages have the same shape as each other.
5. 5. The ink jet recording apparatus according to claim 1 or 2, wherein, The waste toner container further has: A second receiving port for receiving the ink discharged from the recording head, and A second air passage formed by a space in the storage area where the absorbing member is not present, the second air passage connecting the second receiving port and the suction port and allowing a suction air flow generated by driving the suction mechanism to pass therethrough, The first air path has a shape different from the second air path, The pressure loss of the first air passage is the same as the pressure loss of the second air passage.
6. 6. The ink jet recording apparatus according to claim 1 or 2, wherein, The blocking member is a member that does not absorb the ink.

Description

Ink jet recording apparatus Technical Field The present invention relates to an inkjet recording apparatus. Background In the conventional inkjet recording apparatus, a waste toner container storing a predetermined amount of waste toner is mounted. In the related art, a porous absorbing member that absorbs ink is disposed in a waste ink container. Disclosure of Invention First, the technical problem to be solved For example, there is a case where a suction mechanism is connected to the waste ink container and ink is sucked from the recording head to the waste ink container. In this case, if the absorbing member in the waste toner container is porous, the suction air flow may pass through the inside of the absorbing member (pores in the absorbing member that are present from the raw material). As a result, a suction force according to the design may not be obtained, and there is a possibility that insufficient suction of the ink may occur. In this case, the ink is scattered in the machine, and the pollution in the machine increases. The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an inkjet recording apparatus capable of suppressing insufficient suction of ink from a recording head to a waste ink container. (II) technical scheme In order to achieve the above object, an inkjet recording apparatus of the present invention includes a recording head that records an image on a sheet by discharging ink, a waste ink container having a storage area inside, in which ink that is discharged from the recording head but is not used in recording of the image is stored, and a suction mechanism that sucks gas from the waste ink container. The waste toner container includes a suction port connected to the suction mechanism, a first receiving port that receives toner discharged from the recording head, a porous absorbing member disposed in the storage area that absorbs toner, and a first air path formed by a space in the storage area where the absorbing member does not exist, the first receiving port being connected to the suction port, and passing a suction airflow generated by driving the suction mechanism. The waste toner container further has a partition member having lower air permeability than the absorbing member. The blocking member is disposed on a path from the first receiving port, through the inside of the absorbing member, and to the suction port without passing through the first air passage. (III) beneficial effects In the structure of the present invention, insufficient suction of ink from the recording head to the waste ink container can be suppressed. Drawings Fig. 1 is a schematic diagram of an inkjet recording apparatus according to an embodiment. Fig. 2 is a plan view of a recording portion of the ink jet recording apparatus according to the embodiment. Fig. 3 is a block diagram of an inkjet recording apparatus according to an embodiment. Fig. 4 is a plan view of a conveyor belt of the inkjet recording apparatus according to the embodiment. Fig. 5 is a schematic view of the periphery of a conveyor belt of the inkjet recording apparatus of the embodiment. Fig. 6 is a perspective view schematically showing the periphery of the conveyance belt of the inkjet recording apparatus according to the embodiment (a view showing a state in which all waste toner containers are mounted). Fig. 7 is a perspective view schematically showing the periphery of a conveyor belt of the inkjet recording apparatus according to the embodiment (a view showing a state in which a part of the waste toner container is removed). Fig. 8 is a schematic diagram showing a storage area of a waste ink container of the inkjet recording apparatus of the embodiment. Fig. 9 is a schematic view corresponding to a section along the line A-A of fig. 8. Fig. 10 is a diagram for explaining a path of the suction air flow in the case where the partition member is omitted from the waste toner container shown in fig. 8. Detailed Description An inkjet recording apparatus according to an embodiment of the present invention will be described below by taking as an example a printer that records (prints) an image on a sheet as a recording medium. As the sheet, paper is mainly used. Other sheets such as OHP sheets can be used. (Structure of Printer) As shown in fig. 1, a printer 100 (corresponding to an "inkjet recording apparatus") of the present embodiment includes a first conveying unit 1 and a second conveying unit 2. The first conveying portion 1 conveys the sheet S set in the sheet cassette CA toward a recording position. In the print job of the printer 100, recording (printing) of an image is performed on the sheet S passing through the recording position. The second conveying portion 2 conveys the recording-completed sheet S. The second conveying portion 2 discharges the recording-completed sheet S to the discharge tray ET. The first conveying section 1 includes a plurality of