Patents Assigned to Bobst (Shanghai) Ltd
-
Publication number: 20240167337Abstract: A die cutting machine has a mobile stair (14), the mobile stair (14) being able to assume a retracted position and an extended position, wherein in the extended position the mobile stair (14) is accessible by an operator. The mobile stair (14) is configured to be pushed into the retracted position by a transport rack (16) and pulled into the extended position when the transport rack (16) is pulled in the opposite direction. A coupling mechanism (30) is arranged on the mobile stair (14) that is configured to couple the transport rack (16) to the mobile stair (14) to pull the mobile stair (14) from the retracted into the extended position and to decouple the transport rack (16) from the mobile stair (14) when the transport rack (16) is moved from the die cutting machine (12) beyond the extended position of the mobile stair (14).Type: ApplicationFiled: November 17, 2023Publication date: May 23, 2024Applicant: BOBST (SHANGHAI) LTDInventors: Kyle ZHANG, Marco YU
-
Patent number: 11981045Abstract: The present invention relates to an advance shaft transition apparatus for sheet processing equipment, which comprising: a plurality of advance shafts for feeding foils, the plurality of advance shafts being arranged along a horizontal direction; an advance shaft supporting frame, the advance shaft supporting frame supporting the ends of the advance shafts so that the advance shafts can freely rotate; and a lifting means, the lifting means is provided with a driving means and a transmission mechanism, the lifting means is connected to the advance shaft supporting frame to enable the advance shafts to move between a first position and a second position, at the first position, the advance shafts is operably rotated to feed the foil, and at the second position, the advance shafts being lifted up from the first position to leave a position where the foil can be fed.Type: GrantFiled: March 4, 2019Date of Patent: May 14, 2024Assignee: Bobst (Shanghai) LtdInventors: Jean-Claude Rebeaud, Peicong Qi, Haoming Song
-
Patent number: 11660774Abstract: The invention relates to a device (310) for holding a sheet-like element (10) during the stage of introducing it into a workstation (200, 300, 400) of a forming machine (1), such as a waste-ejection station (300), the said holding device (310) comprising a suction member (320) configured so as to partially retain each sheet (10) by its rear part during the stage when the said sheet (10) is introduced into the said workstation (200, 300, 400), characterized in that the suction member (320) has at least two motorized fans (13) with propellers (14) installed transversely at the entrance to the workstation (200, 300, 400), beneath the plane (P) along which the sheet-like elements move, the axes of rotation (A) of the propellers (14) of the fans (13) being substantially parallel to one another and perpendicular to the plane (P) along which the sheet-like elements move, the direction of rotation and the inclination of the propellers (14) being configured so as to generate a flow of air capable of applying suction tType: GrantFiled: December 21, 2017Date of Patent: May 30, 2023Assignee: Bobst (Shanghai) LtdInventors: Michael Cochard, Qiang Fang, Nicolas Panchaud, Mingliang Zhou
-
Publication number: 20230057628Abstract: A device for storing a sheet pile in a converting machine (10) comprises a transfer mechanism (28) for delivering sheets (22) into a piling area (26) of the device (22), and a sampling plate (44) which is adjustable between a sampling position and an access position, wherein the top of the piling area (26) is covered by the sampling plate (44) when the sampling plate (44) is in the sampling position and the top of the piling area (26) is free when the sampling plate (44) is in the access position.Type: ApplicationFiled: January 28, 2021Publication date: February 23, 2023Applicant: BOBST (SHANGHAI) LTDInventors: Shelly LIU, Justing ZHAI, John WANG, Chao SUN
-
Patent number: 11331902Abstract: The present invention relates to a blowing means unit and a hot foil stamping and die-cutting device. The blowing means unit fora hot foil stamping device, comprising: a blowing means having a blowing part configured to inject a gas stream to a location of foil material to separate foil and a supporting part for supporting the blowing part; supporting means supporting the blowing means; and lifting means connected to the supporting means for moving the blowing means between a first position and a second position, in the first position, the blowing part of the blowing means is at a working level, and in the second position, the blowing means is at a non-working level to give access to an operation area.Type: GrantFiled: March 4, 2019Date of Patent: May 17, 2022Assignee: Bobst (Shanghai) LtdInventors: Peicong Qi, Haoming Song
-
Patent number: 11052651Abstract: The invention relates to a mobile window apparatus and a hot foil stamping device including the apparatus. The mobile window apparatus comprises at least one first window portion, the first window portion movable in a first direction; at least one second window portion movable in a second direction different from the first direction; and an actuating means configured to move the first window and the second window, respectively; wherein said actuating means moves said first window portion and said second window portion between a closed position and an open position, in said open position, said first window portion and said second window portion being spaced apart from each other to form an access opening, and in said closed position, the first window portion and the second window portion are close to each other so as to substantially shield the access opening and to keep a gap between the first window portion and the second window portion for passing through a sheet material for processed.Type: GrantFiled: March 21, 2019Date of Patent: July 6, 2021Assignee: Bobst (Shanghai) Ltd.Inventor: Roy Yan
-
Patent number: 11001464Abstract: The present invention discloses gripper bar locking apparatus and sheet processing device. In particular, the present invention discloses a gripper bar locking apparatus, which is configured to lock and adjust a position of a gripper bar, comprising: a supporting plate having a distal end and a proximal end; a lever portion, a distal end of which is pivotally mounted on the proximal end of the supporting plate; a cartridge movably mounted on a proximal end of the lever portion and provided with a gripper bar abutment; and an adjusting means provided on the cartridge and configured to adjust a position of the cartridge with respect to the lever portion. Further, the present invention relates to the sheet processing device including the gripper bar. By using the gripper bar locking apparatus, the adjustment of the position of the gripper bar is facilitated.Type: GrantFiled: December 19, 2017Date of Patent: May 11, 2021Assignee: BOBST (SHANGHAI) LTDInventors: Xiao Yan, Ludovic Gortais
-
Publication number: 20200406491Abstract: The present invention relates to an advance shaft transition apparatus for sheet processing equipment, which comprising: a plurality of advance shafts for feeding foils, the plurality of advance shafts being arranged along a horizontal direction; an advance shaft supporting frame, the advance shaft supporting frame supporting the ends of the advance shafts so that the advance shafts can freely rotate; and a lifting means, the lifting means is provided with a driving means and a transmission mechanism, the lifting means is connected to the advance shaft supporting frame to enable the advance shafts to move between a first position and a second position, at the first position, the advance shafts is operably rotated to feed the foil, and at the second position, the advance shafts being lifted up from the first position to leave a position where the foil can be fed.Type: ApplicationFiled: March 4, 2019Publication date: December 31, 2020Applicant: Bobst (Shanghai) LtdInventors: Jean-Claude REBEAUD, Peicong QI, Haoming SONG
-
Publication number: 20200406606Abstract: The present invention relates to a blowing means unit and a hot foil stamping and die-cutting device. The blowing means unit fora hot foil stamping device, comprising: a blowing means having a blowing part configured to inject a gas stream to a location of foil material to separate foil and a supporting part for supporting the blowing part; supporting means supporting the blowing means; and lifting means connected to the supporting means for moving the blowing means between a first position and a second position, in the first position, the blowing part of the blowing means is at a working level, and in the second position, the blowing means is at a non-working level to give access to an operation area.Type: ApplicationFiled: March 4, 2019Publication date: December 31, 2020Applicant: Bobst (Shanghai) LtdInventors: Peicong QI, Haoming SONG
-
Publication number: 20190367305Abstract: The present invention discloses gripper bar locking apparatus and sheet processing device. In particular, the present invention discloses a gripper bar locking apparatus, which is configured to lock and adjust a position of a gripper bar, comprising: a supporting plate having a distal end and a proximal end; a lever portion, a distal end of which is pivotally mounted on the proximal end of the supporting plate; a cartridge movably mounted on a proximal end of the lever portion and provided with a gripper bar abutment; and an adjusting means provided on the cartridge and configured to adjust a position of the cartridge with respect to the lever portion. Further, the present invention relates to the sheet processing device including the gripper bar. By using the gripper bar locking apparatus, the adjustment of the position of the gripper bar is facilitated.Type: ApplicationFiled: December 19, 2017Publication date: December 5, 2019Applicant: BOBST (SHANGHAI) LTDInventors: Xiao YAN, Ludovic GORTAIS
-
Publication number: 20190308338Abstract: The invention relates to a device (310) for holding a sheet-like element (10) during the stage of introducing it into a workstation (200, 300, 400) of a forming machine (1), such as a waste-ejection station (300), the said holding device (310) comprising a suction member (320) configured so as to partially retain each sheet (10) by its rear part during the stage when the said sheet (10) is introduced into the said workstation (200, 300, 400), characterized in that the suction member (320) has at least two motorized fans (13) with propellers (14) installed transversely at the entrance to the workstation (200, 300, 400), beneath the plane (P) along which the sheet-like elements move, the axes of rotation (A) of the propellers (14) of the fans (13) being substantially parallel to one another and perpendicular to the plane (P) along which the sheet-like elements move, the direction of rotation and the inclination of the propellers (14) being configured so as to generate a flow of air capable of applying suction tType: ApplicationFiled: December 21, 2017Publication date: October 10, 2019Applicant: Bobst (Shanghai) LtdInventors: Michael COCHARD, Qiang FANG, Nicolas PANCHAUD, Mingliang ZHOU