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JP-7855851-B2 - Recording material processing device and image forming system

JP7855851B2JP 7855851 B2JP7855851 B2JP 7855851B2JP-7855851-B2

Inventors

  • 上兼 拓巳
  • 中村 光宏
  • 松本 匡史
  • 内山 隆幸
  • 物江 智子

Assignees

  • 富士フイルムビジネスイノベーション株式会社

Dates

Publication Date
20260511
Application Date
20211119
Priority Date
20210427

Claims (11)

  1. A first tooth used for binding bundles of recording materials, A second tooth moves toward the first tooth and presses the recording material bundle located between the first tooth and the second tooth, A guide unit that guides the interlocking part that is linked to the second tooth, A guided portion is provided in the aforementioned interlocking portion and is guided by the guide portion, Equipped with, One of the guide portion and the guided portion is made up of a hole, and the other is made up of a rod-shaped portion that extends along the direction of movement of the interlocking portion and contacts the inner surface of the hole. As the second tooth moves toward the first tooth, the contact area between the guide and the guided portion increases. Recording material processing device.
  2. The recording material processing apparatus according to claim 1, wherein the hole extends along the direction of movement of the interlocking portion.
  3. The recording material processing apparatus according to claim 1, wherein each of the guide portion and the guided portion is provided in multiple locations.
  4. The guided portion provided in the interlocking portion is the rod-shaped portion, The recording material processing apparatus according to claim 1, wherein the guide portion is the hole that guides the outer surface of the rod-shaped portion.
  5. The linked portion is provided with at least two guided portions: a first guided portion and a second guided portion. The recording material processing apparatus according to claim 1, wherein the second tooth is located on the side of the second guided portion that is closer to the first guided portion than the first guided portion, and is located on the side of the first guided portion that is closer to the second guided portion than the second guided portion.
  6. A first tooth used for binding bundles of recording materials, A second tooth moves toward the first tooth and presses the recording material bundle located between the first tooth and the second tooth, A guide unit that guides the interlocking part that is linked to the second tooth, A guided portion is provided in the aforementioned interlocking portion and is guided by the guide portion, Equipped with, One of the guide portion and the guided portion is made up of a hole, and the other is made up of a rod-shaped portion that extends along the direction of movement of the interlocking portion and contacts the inner surface of the hole. A connecting member is further provided, which is connected to the aforementioned interlocking portion and applies a load to the interlocking portion to move the second tooth. The connecting member is positioned on the perpendicular bisector of the line segment connecting one end and the other end of the second tooth, along the longitudinal direction of the second tooth. The distance between the second tooth and the connecting member on the perpendicular bisector is less than or equal to the size of the margin at the corner of the recording material constituting the recording material bundle. Recording material processing device.
  7. In the first tooth and the second tooth, the protrusions are arranged in a line in one direction. When a load is applied to the load-receiving portion of the interlocking part, the second tooth moves toward the first tooth. The recording material processing apparatus according to claim 1, wherein the installation location of the load-receiving portion in the intersecting direction, which is the direction in which the convex portions are aligned, is different from the installation locations of the first tooth and the second tooth in the said intersecting direction.
  8. The recording material processing apparatus according to claim 7 , wherein at least a portion of the inner surface of the hole facing the intersecting direction is provided with a surface having curvature and bulging in a direction away from the axis of the hole.
  9. The recording material processing apparatus according to claim 8, wherein at least a portion of the outer surface of the rod-shaped portion that faces the intersecting direction, the portion facing the bulging surface, is provided with a surface that has curvature and bulges in a direction away from the axis of the rod-shaped portion.
  10. In the first tooth and the second tooth, the protrusions are arranged in a line in one direction. A gap is provided between the inner surface of the hole and the outer surface of the rod-shaped portion. The recording material processing apparatus according to claim 1, wherein the size of the gap in one direction is smaller than the thickness of the maximum number of recording material bundles that can be bound by the recording material processing apparatus.
  11. An image forming system comprising an image forming apparatus for forming an image on a recording material, and a recording material processing apparatus for performing a binding process on a bundle of recording materials consisting of a plurality of recording materials on which an image has been formed by the image forming apparatus, wherein the recording material processing apparatus is configured as the recording material processing apparatus described in any one of claims 1 to 10 .

Description

This invention relates to a recording material processing apparatus and an image forming system. Patent Document 1 discloses a sheet processing device equipped with a fixing means for fixing a second tooth shape, which has been moved to a position where it meshes with a first tooth shape, to a second support means. Patent Document 2 discloses a paper binding device having a first link member whose one end is rotatably connected to a movable crimping member, and a second link member whose one end is rotatably connected to a fixed member fixed to the device body. Japanese Patent Publication No. 2015-229262Japanese Patent Publication No. 2014-148398 This diagram shows the overall configuration of the image forming system.This diagram illustrates the configuration of the first post-processing device.This is a diagram showing the paper stacking section viewed from above.This figure shows the view of the second binding processing device from the direction indicated by arrow IV in Figure 3.This is a view of the second binding processing device from the direction of arrow V in Figure 4.This figure shows another configuration example of the second binding processing device.This is a cross-sectional view of the second binding device along the line VII-VII in Figure 4.This figure shows a cross-section of the second stapling device along the line VIII-VIII in Figure 5.This figure shows another configuration example of the second binding processing device.This is another example of the configuration of the second binding processing device, showing the interlocking parts and the like from the direction indicated by arrow X in Figure 5.This figure shows another configuration example of the second binding processing device.This is a longitudinal cross-sectional view of the screw member.This is a perspective view showing another configuration example of the second binding processing device.(A) and (B) are perspective views of the upper support member provided in the second binding processing device.This is a perspective view of the lower support member.This is a perspective view of the second binding device from below, showing the state of the second binding device with the large-diameter gear removed.This figure shows the through-hole and the rod-shaped member inserted into it, viewed from the direction indicated by arrow XVII in Figure 14.Figure 17 shows a cross-sectional view along the line XVIII-XVIII.This figure shows another configuration example of the second binding processing device.Figures (A) and (B) show the second binding processing device, etc., viewed from above.This figure shows another configuration example of the second binding processing device.This is a longitudinal cross-sectional view of the second binding device at the location where the rod-shaped member is installed, showing the state in which the stack of paper is being pressed by the first binding teeth and the second binding teeth.Figure 22 is a cross-sectional view of the second binding processing device along the line XXIII-XXIII.This diagram shows a frontal view of part of the first and second stenting teeth.This is a cross-sectional view of the second binding processing device. Embodiments of the present invention will be described in detail below with reference to the attached drawings. Figure 1 shows the overall configuration of the image forming system 1. The image forming system 1 shown in Figure 1 comprises an image forming apparatus 2 that forms an image on a sheet of paper P, which is an example of a recording material, and a paper processing apparatus 3 that performs predetermined processing on the sheet of paper P on which the image has been formed by the image forming apparatus 2. Here, the image forming apparatus 2 forms an image on the paper P using an electrophotographic method or an inkjet method. As an example of a recording material processing apparatus, the paper processing apparatus 3 is equipped with a transport device 10 that transports the paper P output from the image forming apparatus 2 to the downstream side, and a paper supply device 20 that supplies interleaving paper such as cardboard or windowed paper P to the paper P transported by the transport device 10. Furthermore, the paper processing device 3 is equipped with a folding device 30 that performs folding processes such as inward tri-fold (C-fold) or outward tri-fold (Z-fold) on the paper P transported from the transport device 10. Furthermore, the paper processing device 3 is equipped with a first post-processing device 40 located downstream of the folding device 30, which performs functions such as punching holes, edge binding, and saddle stitching on the paper P. Furthermore, downstream of the folding device 30, there is a first post-processing device 40 that performs processing on a stack of multiple sheets of paper P on which images have been formed by the image forming device 2 (an example of a recording material stack), or performs processing on each indiv