CN-122027744-A - Recording medium conveying device and image forming apparatus

Abstract

A recording medium conveying device includes a belt member that conveys a recording medium attached to an outer peripheral surface of the belt member while circulating, a projection that projects from the outer peripheral surface of the belt member and is provided in a linear shape and is disposed in an inclined state with respect to a moving direction of the belt member, and a removing member that is disposed in contact with the outer peripheral surface of the belt member and removes an attached matter attached to the outer peripheral surface.

Inventors

• Nakajima Hangpei
• MIYOSHI NORIYUKI
• Fuda Hirohira
• Shinozaki Kingo

Assignees

• 富士胶片商业创新有限公司

Dates

Publication Date

20260512

Application Date

20250425

Priority Date

20241111

Claims (8)

1. 1. A recording medium transfer device is provided with: A belt member that performs a circulating movement and conveys a recording medium attached to an outer peripheral surface of the belt member; a protrusion protruding from the outer peripheral surface of the belt member and provided in a linear shape and arranged in an inclined state with respect to a moving direction of the belt member, and And a removing member which is disposed in contact with the outer peripheral surface of the belt member and removes the adhering matter adhering to the outer peripheral surface.
2. 2. The recording medium transfer apparatus according to claim 1, wherein, A heating device is provided on a downstream side or an upstream side of the belt member in a conveying direction of the recording medium based on the belt member, the heating device heating the recording medium, The removing member is in contact with a portion of the belt member located on a side opposite to the heating device side.
3. 3. The recording medium transfer apparatus according to claim 2, wherein, The heating device is provided on a downstream side of the belt member in a conveying direction of the recording medium based on the belt member, The belt member is provided with: A driving member for driving the belt member to rotate and applying a driving force for moving the belt member, and A driven rotation member disposed upstream of the driving rotation member in a transport direction of the recording medium, configured to receive a force from the belt member and rotate in response to the force from the belt member, The removing member is pressed against the driven rotating member via the belt member.
4. 4. The recording medium conveying apparatus according to any one of claims 1 to 3, wherein, A 2 nd protrusion is further provided, the 2 nd protrusion being different from the 1 st protrusion which is the protrusion arranged in an inclined state, and being provided in a linear shape and having an inclination angle with respect to the moving direction different from the 1 st protrusion.
5. 5. The recording medium transport apparatus according to claim 4, wherein, The 1 st projection is provided in plurality and is provided to extend toward a common direction, The 2 nd protruding portion is provided in plurality and is provided to extend toward a direction different from the extending direction of the 1 st protruding portion and toward a common direction, By providing the 1 st projection and the 2 nd projection having different extending directions, respectively, a grid-like projection is provided on the outer peripheral surface of the belt member.
6. 6. The recording medium conveying apparatus according to claim 4 or 5, wherein, The 1 st protruding portion is inclined so as to be close to one end side in the width direction of the belt member as it is directed to the downstream side in the conveying direction of the recording medium, The 2 nd projection is inclined so as to be close to the other end side in the width direction of the belt member as it is directed to the downstream side in the conveying direction of the recording medium.
7. 7. The recording medium conveying apparatus according to any one of claims 1 to 6, wherein, The plurality of protruding parts are arranged in a state of being inclined relative to the moving direction and are arranged in a grid shape, The band member is provided with a hole portion for passing air from the outer peripheral surface side toward the inner peripheral surface side of the band member, The hole is surrounded by a projection located around the hole among the plurality of projections arranged in a grid shape.
8. 8. An image forming apparatus includes: an image forming unit that forms an image on a recording medium; A heating device for heating the recording medium with the image formed by the image forming part, and A recording medium conveyance device that conveys the recording medium on which the image is formed by the image forming section to the heating device or conveys the recording medium that has passed through the heating device, The recording medium transfer device has the structure of any one of claims 1 to 7.

Description

Recording medium conveying device and image forming apparatus Technical Field The present invention relates to a recording medium conveying apparatus and an image forming apparatus. Background Patent document 1 discloses a structure in which a through hole penetrating in the thickness direction and a convex portion protruding in the thickness direction on the belt conveying surface side are provided in a belt main body. Patent document 1 Japanese patent laid-open No. 2002-137840 Disclosure of Invention Dirt adheres to the belt member that conveys the recording medium. Accordingly, cleaning of the surface of the belt member is required. Here, in cleaning in relation to the surface of the belt member, it is generally necessary to clean the entire surface. In cleaning the entire surface of the belt member, an uncleaned portion is likely to occur, and the reliability of cleaning is likely to be lowered. The present invention aims to improve the reliability of cleaning of a belt member for conveying a recording medium, compared with a structure in which a protrusion is not provided on the surface of the belt member for conveying the recording medium. The invention described in claim 1 is a recording medium conveying apparatus comprising a belt member that moves in a circulating manner and conveys a recording medium attached to an outer peripheral surface of the belt member, a projection that projects from the outer peripheral surface of the belt member and is provided in a linear shape and is disposed in an inclined state with respect to a moving direction of the belt member, and a removing member that is disposed in contact with the outer peripheral surface of the belt member and removes an attached matter attached to the outer peripheral surface. In the invention described in claim 2, in the recording medium conveying apparatus described in claim 1, a heating device that heats the recording medium is provided on a downstream side or an upstream side of the belt member in a conveying direction of the recording medium based on the belt member, and the removing member is in contact with a portion of the belt member on a side opposite to the heating device side. The invention described in claim 3 is the recording medium conveying apparatus according to claim 2, wherein the heating device is provided downstream of the belt member in the conveying direction of the recording medium based on the belt member, a driving rotation member configured to rotate and apply a driving force for movement of the belt member to the belt member is provided inside the belt member, and a driven rotation member configured to be disposed upstream of the driving rotation member in the conveying direction of the recording medium, configured to receive a force from the belt member and rotate in response to the belt member, and the removing member is pressed against the driven rotation member via the belt member. The invention described in claim 4 is the recording medium conveying apparatus according to any one of claims 1 to 3, further comprising a2 nd protrusion, wherein the 2 nd protrusion is different from the 1 st protrusion which is the protrusion arranged in an inclined state, and is provided in a linear shape and has an inclination angle with respect to the moving direction different from the 1 st protrusion. The invention described in claim 5 is the recording medium conveying device described in claim 4, wherein the 1 st projection is provided in plural and extends in a common direction, the 2 nd projection is provided in plural and extends in a direction different from the extending direction of the 1 st projection and in a common direction, and the plurality of 1 st projections and the 2 nd projections having different extending directions are provided, respectively, and the outer peripheral surface of the belt member is provided with a grid-like projection. The invention described in claim 6 is the recording medium conveying apparatus described in claim 4 or 5, wherein the 1 st protruding portion is inclined so as to be closer to one end side in the width direction of the belt member as it is directed to the downstream side in the conveying direction of the recording medium, and the 2 nd protruding portion is inclined so as to be closer to the other end side in the width direction of the belt member as it is directed to the downstream side in the conveying direction of the recording medium. The invention described in claim 7 is the recording medium conveying apparatus according to any one of claims 1 to 6, wherein a plurality of the protruding portions are provided in a state of being inclined with respect to the moving direction, and the belt member is provided with a hole portion for passing air from an outer peripheral surface side toward an inner peripheral surface side of the belt member, and the hole portion is surrounded by protruding portions located around the hole portion among the plurality of protruding portions arra