Recording medium processing apparatus and image forming system

Abstract

A recording medium processing apparatus that performs processing on a recording medium bundle includes an advancing member that advances from a side facing one surface of the recording medium bundle toward the recording medium bundle and presses the recording medium bundle; a transporter that transports the recording medium bundle to a downstream side in a direction of movement of the recording medium bundle so that a portion of the recording medium bundle that is being pressed by the advancing member moves ahead of other portions; and a processor configured to change at least one of an advancing velocity of the advancing member and a transport velocity at which the recording medium bundle is transported by the transporter on a basis of medium information, which is information on the recording medium bundle, and/or apparatus information, which is information on the recording medium processing apparatus.

What is claimed is: 
     
         1 . A recording medium processing apparatus that performs processing on a recording medium bundle, comprising:
 an advancing member that advances from a side facing one surface of the recording medium bundle toward the recording medium bundle and presses the recording medium bundle;   a transporter that transports the recording medium bundle to a downstream side in a direction of movement of the recording medium bundle so that a portion of the recording medium bundle that is being pressed by the advancing member moves ahead of other portions; and   a processor configured to change at least one of an advancing velocity of the advancing member and a transport velocity at which the recording medium bundle is transported by the transporter on a basis of medium information, which is information on the recording medium bundle, and/or apparatus information, which is information on the recording medium processing apparatus.   
     
     
         2 . The recording medium processing apparatus according to  claim 1 , wherein:
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is larger than a predetermined threshold value, make the advancing velocity higher and/or make the transport velocity lower than in a case where the number of recording media that constitute the recording medium bundle is not larger than the predetermined threshold value.   
     
     
         3 . The recording medium processing apparatus according to  claim 2 , wherein:
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is smaller than a second threshold value smaller than the predetermined threshold value, make the advancing velocity lower and/or make the transport velocity higher than in a case where the number of recording media that constitute the recording medium bundle is larger than the second threshold value.   
     
     
         4 . The recording medium processing apparatus according to  claim 1 , wherein:
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is smaller than a predetermined threshold value, make the advancing velocity lower and/or make the transport velocity higher than in a case where the number of recording media that constitute the recording medium bundle is larger than the predetermined threshold value.   
     
     
         5 . The recording medium processing apparatus according to  claim 1 , wherein:
 the processor is configured to:
 acquire, as the apparatus information, environmental information, which is information on an environment in a place where the recording medium processing apparatus is installed; and 
 change at least one of the advancing velocity of the advancing member and the transport velocity at which the recording medium bundle is transported by the transporter on a basis of the environmental information. 
   
     
     
         6 . The recording medium processing apparatus according to  claim 5 , wherein:
 the processor is configured to, in a case where humidity specified by the environmental information is higher than a predetermined threshold value, make the advancing velocity higher and/or make the transport velocity lower than in a case where the humidity specified by the environmental information is not higher than the predetermined threshold value.   
     
     
         7 . The recording medium processing apparatus according to  claim 1 , wherein:
 the processor is configured to:
 acquire, as the medium information, image information, which is information on an image formed on a recording medium that constitutes the recording medium bundle; and 
 change at least one of the advancing velocity and the transport velocity on a basis of the image information. 
   
     
     
         8 . The recording medium processing apparatus according to  claim 7 , wherein:
 the processor is configured to, in a case where an amount of image specified by the image information is larger than a predetermined threshold value, make the advancing velocity higher and/or make the transport velocity lower than in a case where the amount of image specified by the image information is smaller than the predetermined threshold value.   
     
     
         9 . The recording medium processing apparatus according to  claim 1 , wherein:
 the processor is configured to:
 acquire, as the medium information, information on whether or not binding processing is performed on the recording medium bundle; and 
 in a case where the binding processing is not performed on the recording medium bundle, make the advancing velocity higher and/or make the transport velocity lower than in a case where the binding processing is performed. 
   
     
     
         10 . The recording medium processing apparatus according to  claim 9 , wherein
 the processor is configured not to make the advancing velocity higher and make the transport velocity lower in a case where the number of recording media that constitute the recording medium bundle is smaller than a predetermined threshold value, even in a case where the binding processing is not performed on the recording medium bundle.   
     
     
         11 . A recording medium processing apparatus comprising:
 an advancing member that advances from a side facing one surface of a recording medium bundle toward the recording medium bundle and presses the recording medium bundle; and   a contact member that gives drag to the recording medium bundle by making contact with the recording medium bundle that moves so that a pressed portion thereof that is being pressed by the advancing member moves ahead of other portions, the contact member having a contact portion that makes contact with the recording medium bundle and is movable to a downstream side in a direction in which the recording medium bundle moves,   wherein an amount of movement of the contact portion that moves to the downstream side is changeable.   
     
     
         12 . The recording medium processing apparatus according to  claim 11 , further comprising a processor configured to set the amount of movement of the contact portion of the contact member. 
     
     
         13 . The recording medium processing apparatus according to  claim 12 , wherein
 the processor is configured to set the amount of movement of the contact portion on a basis of medium information, which is information on the recording medium bundle, and/or apparatus information, which is information on the recording medium processing apparatus.   
     
     
         14 . The recording medium processing apparatus according to  claim 13 , wherein
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is larger than a predetermined threshold value, make the amount of movement of the contact portion smaller than in a case where the number of recording media that constitute the recording medium bundle is smaller than the predetermined threshold value.   
     
     
         15 . The recording medium processing apparatus according to  claim 14 , wherein
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is smaller than a second threshold value smaller than the predetermined threshold value, set the amount of movement of the contact portion larger than in a case where the number of recording media that constitute the recording medium bundle is larger than the second threshold value.   
     
     
         16 . The recording medium processing apparatus according to  claim 13 , wherein
 the processor is configured to, in a case where the number of recording media that constitute the recording medium bundle is smaller than a predetermined threshold value, set the amount of movement of the contact portion larger than in a case where the number of recording media that constitute the recording medium bundle is larger than the predetermined threshold value.   
     
     
         17 . The recording medium processing apparatus according to  claim 11 , wherein
 the contact member is a rotary member that rotates and moves the recording medium bundle to a downstream side so that the pressed portion moves ahead of other portions;   when the recording medium bundle that is moved by being pressed by the advancing member makes contact with the rotary member, a moving velocity of the advancing member is higher than a circumferential velocity of the rotary member, and drag is given from the rotary member to the recording medium bundle that is moved by being pressed by the advancing member;   the rotary member is rotated by force received from the advancing member through the recording medium bundle; and   an amount of rotation by which the rotary member is rotated by the force received from the advancing member is changeable, and the amount of movement of the contact portion that moves to the downstream side changes in a case where the amount of rotation is changed.   
     
     
         18 . The recording medium processing apparatus according to  claim 17 , wherein
 a gear train that transmits driving force from a drive source to the rotary member is provided;   the gear train includes an interlocking gear that rotates in synchronization with the rotary member when the rotary member is rotated by the force received from the advancing member and a supply gear that is engaged with the interlocking gear and supplies driving force from the drive source to the interlocking gear; and   a center distance between the interlocking gear and the supply gear is changeable, and the amount of rotation of the rotary member is changed by changing the center distance.   
     
     
         19 . The recording medium processing apparatus according to  claim 17 , wherein
 a gear train that transmits driving force from a drive source to the rotary member is provided;   the gear train includes an interlocking helical gear that is a helical gear that rotates in synchronization with the rotary member when the rotary member is rotated by the force received from the advancing member and a supply helical gear that is a helical gear that is engaged with the interlocking helical gear and supplies driving force from the drive source to the interlocking helical gear;   the interlocking helical gear is movable in an axial direction of the interlocking helical gear; and   an amount of movement of the interlocking helical gear that moves in the axial direction when the interlocking helical gear rotates in synchronization with the rotary member is changeable, and the amount of rotation of the rotary member is changed by changing the amount of movement.   
     
     
         20 . An image forming system comprising:
 an image forming apparatus that forms an image on a recording medium; and   a recording medium processing apparatus that performs processing on a recording medium on which an image has been formed by the image forming apparatus,   wherein the recording medium processing apparatus includes the recording medium processing apparatus according to  claim 1 .