EP3075689A1 - Imprimante à jet d'encre - Google Patents

Imprimante à jet d'encre Download PDF

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Publication number
EP3075689A1
EP3075689A1 EP16162138.8A EP16162138A EP3075689A1 EP 3075689 A1 EP3075689 A1 EP 3075689A1 EP 16162138 A EP16162138 A EP 16162138A EP 3075689 A1 EP3075689 A1 EP 3075689A1
Authority
EP
European Patent Office
Prior art keywords
roll type
medium
type medium
parts
support shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16162138.8A
Other languages
German (de)
English (en)
Other versions
EP3075689B1 (fr
Inventor
Masaru Ohnishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mimaki Engineering Co Ltd
Original Assignee
Mimaki Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mimaki Engineering Co Ltd filed Critical Mimaki Engineering Co Ltd
Publication of EP3075689A1 publication Critical patent/EP3075689A1/fr
Application granted granted Critical
Publication of EP3075689B1 publication Critical patent/EP3075689B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/30—Supports; Subassemblies; Mountings thereof
    • B65H2402/32—Sliding support means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/214—Inclination
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/27—Other problems
    • B65H2601/272—Skewing of handled material during handling

Definitions

  • the disclosure relates to an inkjet printer for performing printing on a roll type medium which is a roll type print medium.
  • Patent Literature 1 for instance
  • the inkjet printer disclosed in Patent Literature 1 has medium unwinding means, a recording unit, and winding means.
  • the medium unwinding means has a pair of first holders for holding both end parts of a roll type medium such that the medium is rotatable.
  • Each first holder has a shaft part configured to be fit into a core opening of a roll core of a roll type medium, and a flange part configured to be able to come into contact with an end of the roll type medium.
  • a temporarily placing table where a roll type medium is temporarily placed before the roll type medium is fit on the first holders, and a lifting unit configured to lift the roll type medium temporarily placed on the temporarily placing table in order to fit the roll type medium on the first holders.
  • an inkjet printer of the disclosure includes: medium setting parts where a roll type medium which is a roll type print medium is set; and medium mounting parts where the roll type medium is mounted in order to set the roll type medium in the medium setting parts, wherein, at the medium mounting parts, inclined surfaces are formed to be inclined such that the roll type medium moves toward the medium setting parts, and the medium mounting parts have stoppers which regulate movement of the roll type medium toward the medium setting parts.
  • the inkjet printer of the disclosure includes the medium mounting parts where a roll type medium is mounted in order to set the roll type medium in the medium setting parts.
  • the inclined surfaces are formed to be inclined such that a roll type medium moves toward the medium setting parts, and the medium mounting parts have stoppers for regulating movement of a roll type medium toward the medium setting parts. Therefore, in the disclosure, if a roll type medium is mounted on the medium mounting parts, whereby the roll type medium is moved along the inclined surfaces to positions where movement is regulated by the stoppers, it becomes possible to correct the inclination of the roll type medium by the stoppers. Therefore, in the disclosure, it becomes possible to set the roll type medium having the corrected inclination in the medium setting parts.
  • the inclined surfaces should be inclined such that the roll type medium moves toward the medium setting parts due to the weight of the roll type medium. According to this configuration, since it becomes possible to automatically move a roll type medium along the inclined surfaces, it becomes possible to further simplify user's work for setting a roll type medium.
  • the stoppers should be configured to be movable between regulation positions for regulating movement of the roll type medium toward the medium setting parts and open positions for allowing movement of the roll type medium toward the medium setting parts. According to this configuration, in a case of setting a roll type medium subjected to movement regulation by the stoppers in the medium setting parts, a user does not need to perform work such as lifting up of the roll type medium. Therefore, it is possible to further simplify user's work for setting a roll type medium.
  • the stoppers are configured to be movable between the regulation positions where they protrude upward from the inclined surfaces, thereby regulating movement of the roll type medium, and the open positions where they retract downward from the inclined surfaces, thereby allowing movement of the roll type medium.
  • the roll type medium is fit on a support shaft to rotate together with the roll type medium or to support the roll type medium such that the roll type medium is rotatable, and end parts of the support shaft protrude outward from both end surfaces of the roll type medium, respectively, and at the medium mounting parts, the two inclined surfaces are formed such that the end parts of the support shaft protruding outward from both end surfaces of the roll type medium are mounted on the inclined surfaces, respectively.
  • the roll type medium should be fit on a support shaft to rotate together with the roll type medium or to support the roll type medium such that the roll type medium is rotatable, and end parts of the support shaft should protrude outward from both end surfaces of the roll type medium, respectively, and the medium mounting parts should have the two stoppers, and the two stoppers at the regulation positions should be able to come into contact with the end parts of the support shaft protruding outward from both end surfaces of the roll type medium, respectively.
  • the stoppers do not come into contact with the roll type medium. Therefore, it becomes possible to prevent a roll type medium from being damaged or stained due to contact with the stoppers.
  • guide walls should be formed to guide the roll type medium toward the medium setting parts in the axial direction. According to this configuration, since the roll type medium is moved along the inclined surface to the positions where movement is regulated by the stoppers, it becomes possible to correct the position of the roll type medium in the axial direction of the support shaft by the guide walls. Therefore, it becomes possible to set a roll type medium, which is in a state where the position of the roll type medium in the axial direction of the support shaft has been corrected, in the medium setting parts.
  • FIG. 1 is a perspective view illustrating the whole of an inkjet printer 1 according to an embodiment of the disclosure.
  • FIG. 2 is a plan view of a rear end side part of the inkjet printer 1 shown in FIG. 1 .
  • FIG. 3 is a side view of a medium lifting/lowering mechanism 4 shown in FIG. 2 .
  • the inkjet printer 1 (hereinafter, referred to as the "printer 1") of the present embodiment is a large-sized printer for performing printing a roll type medium 2 which is a roll type print medium.
  • the printer 1 includes a main printer body 3, and the medium lifting/lowering mechanism 4 for lifting and lowering a roll type medium 2 to be set in the main printer body 3.
  • the main printer body 3 includes a printing unit 6 for performing printing on a roll type medium 2, two supporting members 7 for supporting the printing unit 6, and two medium holding members 8 for holding a roll type medium 2. Also, in FIG. 1 , the medium lifting/lowering mechanism 4 is not shown.
  • a roll type medium 2 is fit on a support shaft 9 for supporting the roll type medium 2 such that the roll type medium is rotatable.
  • the roll type medium 2 is fit on the support shaft 9 such that the roll type medium is rotatable with bearings interposed therebetween.
  • the support shaft 9 is formed in an elongated columnar shape. Both end parts 9a of the support shaft 9 protrude outward from both end surfaces of the roll type medium 2. In other words, both end parts 9a of the support shaft 9 protrude outward from both end surfaces of the roll type medium 2 in the axial direction of the roll type medium 2 (the axial direction of the support shaft 9), respectively.
  • the printing unit 6 includes an inkjet head (not shown) for ejecting ink toward a roll type medium 2.
  • the movement direction of the inkjet head that is, a main scan direction or the Y direction of the drawings such as FIG. 1
  • a direction (the X direction of the drawings such as FIG. 1 ) perpendicular to a vertical direction (an upward and downward direction or the Z direction of the drawings such as FIG. 1 ) and the left-right direction will be referred to as the front-rear direction.
  • the X1 direction side and the X2 direction side will be referred to as the front side and the rear side from the below, respectively.
  • the supporting members 7 are installed on a floor.
  • the two supporting members 7 support both end sides of the printing unit 6 in the left-right direction, respectively, and the printing unit 6 is attached to the upper ends of the supporting members 7.
  • the medium holding members 8 are formed almost in an elongated cuboidal rod shape.
  • the two medium holding members 8 are fixed to the two supporting members 7, respectively, such that the longitudinal directions of the medium holding members 8 are aligned in the front-rear direction.
  • the interval between the two medium holding members 8 in the left-right direction is set to be wider than the width of a roll type medium 2 (the width in the axial direction of a roll type medium 2).
  • winding-side holding parts 10 for holding a roll type medium 2 subjected to printing by the printing unit 6 are provided.
  • a recess 11 is formed downward from the top surface of the corresponding medium holding members 8, and the winding-side holding parts 10 are configured by the two recesses 11.
  • the recesses 11 are formed, for example, such that their shapes as seen from the left-right direction become almost a U shape.
  • both end parts 9a of the support shaft 9 are disposed, whereby the support shaft 9 is disposed such that the axial direction of the support shaft is aligned in the left-right direction.
  • feeding side holding parts 12 for holding a roll type medium 2 to be printed by the printing unit 6, and medium mounting parts 13 where a roll type medium 2 is mounted in order to set a roll type medium 2 in the feeding side holding parts 12.
  • the feeding side holding parts 12 in the present embodiment are medium setting parts where a roll type medium 2 is set. The detailed configurations of the feeding side holding parts 12 and the medium mounting parts 13 will be described below.
  • the medium lifting/lowering mechanism 4 includes a main body part 15, and two lifting/lowering members 16 which are held on the main body part 15 such that they can move up and down.
  • the main body part 15 is joined with a slide mechanism (not shown) for sliding the main body part 15 in the front-rear direction, and thus can be automatically or manually moved in the front-rear direction.
  • rollers 17 are attached so as to be rotatable.
  • a roll type medium 2 to be mounted on the medium mounting parts 13 is mounted.
  • each pair of rollers 17 are disposed so as to be adjacent to each other in the left-right direction. In other words, on the upper end side of the main body part 15, four rollers 17 are attached.
  • the four rollers 17 are attached on the upper end side of the main body part 15 such that a roll type medium 2 mounted on the rollers 17 can move in the left-right direction. Also, the axial directions of the rotating shafts of each pair of rollers 17 are inclined downward as they go inward in the front-rear direction (refer to FIG. 3 ), such that a roll type medium 2 mounted on the rollers 17 is positioned in the front-rear direction.
  • the lifting/lowering members 16 are formed almost in an elongated, rectangular, and flat plate shape.
  • the lifting/lowering members 16 are disposed such that the longitudinal directions of the lifting/lowering members 16 are aligned in the front-rear direction.
  • the lifting/lowering members 16 are disposed such that the rear end side parts of the lifting/lowering members 16 protrude from the main body part 15 toward the rear side.
  • the two lifting/lowering members 16 are disposed with the four rollers 17 interposed therebetween in the left-right direction, as seen from the upward and downward direction. In other words, the two lifting/lowering members 16 are disposed with a predetermined interval in the left-right direction.
  • the interval between the two lifting/lowering members 16 in the left-right direction is set to be narrower than the width of a roll type medium 2 (the width in the axial direction).
  • the thicknesses of the rear end parts of the lifting/lowering members 16 gradually decrease as they go toward the rear side.
  • the two lifting/lowering members 16 are joined with a driving mechanism (not shown) for lifting and lowering the lifting/lowering members 16 automatically or manually.
  • FIG. 4 is a side view illustrating a rear end side part of a medium holding member 8 as seen from a direction E-E of FIG. 2 .
  • FIGs. 5(A) and 5(B) are views for explaining the operation of a stopper 23 shown in FIG. 4 .
  • a recess 19 is formed downward from the top surface of the corresponding medium holding member 8.
  • the feeding side holding parts 12 are configured by the two recesses 19.
  • the recesses 19 are formed, for example, such that their shapes as seen from the left-right direction become almost a U shape. Also, the recesses 19 are formed in predetermined ranges on the outer sides from the inner surfaces of the medium holding members 8 in the left-right direction.
  • a recess 19 is formed in a predetermined range on the right side from the left surface of the medium holding member 8, and in a medium holding member 8 to be disposed on the left side, a recess 19 is formed in a predetermined range on the left side from the right surface of the medium holding member 8.
  • both end parts 9a of the support shaft 9 are disposed, whereby the support shaft 9 is disposed such that the axial direction of the support shaft is arranged in the left-right direction.
  • the left-right direction is the axial direction of the support shaft 9 when a roll type medium 2 has been set in the feeding side holding parts 12.
  • the medium mounting parts 13 are disposed on the rear sides of the feeding side holding parts 12 (that is, the rear sides of the recesses 19).
  • inclined surfaces 20 are formed to be inclined such that a roll type medium 2 moves toward the feeding side holding parts 12.
  • the planar inclined surfaces 20 are formed, respectively, to be inclined downward as they go toward the front side, such that a roll type medium 2 moves toward the two recesses 19.
  • the inclined surfaces 20 are inclined such that a roll type medium 2 moves toward the feeding side holding parts 12 due to the weight of the roll type medium.
  • the inclined surfaces 20 are formed to be connected directly to the recesses 19.
  • the front ends of the inclined surfaces 20 are connected directly to the recesses 19.
  • the two inclined surfaces 20 are disposed at positions overlapping each other in the front-rear direction.
  • the recesses 19 are deeper than the front ends of the inclined surfaces 20.
  • the interval between the two medium holding members 8 in the left-right direction is set to be wider than the width of a roll type medium 2, and in a case of setting a roll type medium 2 on the feeding side holding parts 12, both end parts 9a of the support shaft 9 (that is, the end parts 9a of the support shaft 9 protruding outward from both end surfaces of the roll type medium 2, respectively) are mounted on the two inclined surfaces 20, respectively, as will be described below.
  • the medium mounting parts 13 have the two inclined surfaces 20 where both end parts 9a of the support shaft 9 are mounted, respectively.
  • horizontal surfaces 21 are formed to be connected to the rear ends of the inclined surfaces 20, and guide walls 22 are formed in the left-right direction so as to guide a roll type medium 2 to the feeding side holding parts 12.
  • Each horizontal surface 21 is formed in a planar shape perpendicular to the vertical direction (the upward and downward direction).
  • the guide walls 22 are formed in planar shapes rising up from the inclined surfaces 20.
  • the guide walls 22 are formed on the outer sides of the inclined surfaces 20 in the left-right direction.
  • a guide wall 22 is formed on the right side of the inclined surface 20 in the medium holding member 8 to be disposed on the right side
  • a guide wall 22 is formed on the left side of the inclined surface 20.
  • the two guide walls 22 are inclined inward in the left-right direction as they go toward the front side.
  • the front ends of the guide walls 22 are connected to the outer side surfaces of the recesses 19 in the left-right direction.
  • protrusions for preventing a roll type medium 2 from falling to the rear side may be formed to rise up from the rear end parts of the horizontal surfaces 21.
  • the horizontal surfaces 21 may not be formed.
  • horizontal surfaces may be formed in planar shapes perpendicular to the vertical direction.
  • the medium mounting parts 13 have stoppers 23 for regulating movement of a roll type medium 2 toward the feeding side holding parts 12 due to the weight of the roll type medium.
  • the stoppers 23 are disposed on the front end parts of the two inclined surfaces 20, respectively.
  • the medium mounting parts 13 have two stoppers 23.
  • the stoppers 23 are formed, for example, in an elongated columnar shape, and are disposed such that the longitudinal directions of the stoppers 23 are aligned in the upward and downward direction. Also, the two stoppers 23 are disposed at positions overlapping each other in the front-rear direction.
  • the stoppers 23 are joined to a lifting/lowering mechanism (not shown) for lifting and lowering the stoppers 23 automatically or manually.
  • the stoppers 23 are configured to be movable between regulation positions 23A (the position shown in FIG. 5 (A) ) for regulating movement of a roll type medium 2 toward the feeding side holding parts 12 due to the weight of the roll type medium, and open positions 23B (the position shown in FIG. 5(B) ) for allowing movement of a roll type medium 2 toward the feeding side holding parts 12 due to the weight of the roll type medium.
  • the stoppers 23 are configured to be able to move up and down between the regulation positions 23A where they protrude upward from the inclined surfaces 20, thereby regulating movement of a roll type medium 2, and the open positions 23B where they retract downward from the inclined surfaces 20, thereby allowing movement of a roll type medium 2, and are configured to be able to protrude and retract from the top surface sides of the inclined surfaces 20.
  • the stoppers 23 move up and down between the regulation positions 23A and the open positions 23B, for example, by pressing an operation button (not shown).
  • the two stoppers 23 at the regulation positions 23A can come into contact with both end parts 9a of the support shaft 9, respectively.
  • the roll type medium 2 is mounted on the main body part 15 of the medium lifting/lowering mechanism 4. Specifically, first, in a state where the main body part 15 has been slid to the rear side and the lifting/lowering members 16 have been lowered to the lower limit, a user mounts the roll type medium 2 on the rear end parts of the two lifting/lowering members 16 from the rear sides of the lifting/lowering members 16. Since the interval between the two lifting/lowering members 16 in the left-right direction is narrower than the width of the roll type medium 2 as described above, on the two lifting/lowering members 16, the roll type medium 2, not the support shaft 9, is placed. Thereafter, the lifting/lowering members 16 are lifted, whereby the roll type medium 2 is moved on the lifting/lowering members 16 toward the front side. As a result, the roll type medium 2 is mounted on the rollers 17.
  • both end parts 9a of the support shaft 9 are mounted on the two inclined surfaces 20 from the upper sides of the medium holding members 8, respectively.
  • the stoppers 23 are disposed at the regulation positions 23A. Therefore, if both end parts 9a of the support shaft 9 are mounted on the inclined surfaces 20, the roll type medium 2 moves along the inclined surfaces 20 due to the weight of the roll type medium until both end parts 9a of the support shaft 9 come into contact with the two stoppers 23.
  • both end parts 9a of the support shaft 9 come into contact with the two stoppers 23, the stoppers 23 are moved to the open positions 23B. If the stoppers 23 move to the open positions 23B, the roll type medium 2 moves along the inclined surfaces 20 again due to the weight of the roll type medium, whereby both end parts 9a of the support shaft 9 are fit into the recesses 19. If both end parts 9a of the support shaft 9 are fit into the recesses 19, setting of the roll type medium 2 in the feeding side holding parts 12 is completed.
  • the inclined surfaces 20 are formed at the medium mounting parts 13 so as to be inclined such that a roll type medium 2 moves toward the feeding side holding parts 12 due to the weight of the roll type medium, and the stoppers 23 are configured to be able to move between the regulation positions 23A and the open positions 23B. Also, in the present embodiment, when a roll type medium 2 is mounted on the medium mounting parts 13, the stoppers 23 are disposed at the regulation positions 23A, and if both end parts 9a of the support shaft 9 come into contact with the two stoppers 23, the stoppers 23 are moved to the open positions 23B.
  • the present embodiment it becomes possible to prevent an inclined roll type medium 2 from being set in the feeding side holding parts 12, and it becomes possible to make it unnecessary to perform correction on the inclination of the roll type medium 2 in the feeding side holding parts 12. Therefore, in the present embodiment, it becomes possible to simplify user's work for setting a roll type medium 2. Also, in the present embodiment, since the inclined surfaces 20 are inclined such that a roll type medium 2 moves toward the feeding side holding parts 12 due to the weight of the roll type medium, it becomes possible to automatically move a roll type medium 2 along the inclined surfaces 20. Therefore, in the present embodiment, it becomes possible to further simplify user's work for setting a roll type medium 2.
  • the stoppers 23 can move between the regulation positions 23A and the open positions 23B, in a case of setting a roll type medium 2, subjected to movement regulation by the stoppers 23, in the feeding side holding parts 12, the user does not need to lift up the roll type medium 2. Therefore, in the present embodiment, it is possible to further simplify user's work for setting a roll type medium 2.
  • the medium mounting parts 13 have the guide walls 22 formed in the left-right direction so as to guide a roll type medium 2 to the feeding side holding parts 12, for example, even if a roll type medium 2 is mounted on the medium mounting parts 13 in a state where the roll type medium is out of place in the left-right direction with respect to the feeding side holding parts 12 as shown in FIG. 7(A) , it becomes possible to automatically correct the deviation of the roll type medium 2 in the left-right direction by the guide walls 22, and then automatically set the roll type medium 2 subjected to correction on the deviation in the left-right direction, in the feeding side holding parts 12, as shown in FIG. 7 (B) .
  • the present embodiment it becomes possible to set the roll type medium 2, which is in a state where the position of the roll type medium in the left-right direction has been corrected, in the feeding side holding parts 12.
  • the stoppers 23 at the regulation positions 23A come into contact with both end parts 9a of the support shaft 9. In other words, in the present embodiment, the stoppers 23 do not come into contact with a roll type medium 2. For this reason, in the present embodiment, it becomes possible to prevent a roll type medium 2 from being damaged or stained due to contact with the stoppers 23.
  • the inclined surfaces 20 are inclined such that a roll type medium 2 moves toward the feeding side holding parts 12 due to the weight of the roll type medium.
  • the inclined surfaces 20 may be inclined such that a roll type medium 2 cannot move toward the feeding side holding parts 12 due to the weight of the roll type medium.
  • the inclination angle of the inclined surfaces 20 may be such a gentle angle that a roll type medium 2 does not move toward the feeding side holding parts 12 due to the weight of the roll type medium. In this case, the user may apply little force to a roll type medium 2, thereby moving the roll type medium 2 along the inclined surfaces 20.
  • a roll type medium 2 is fit on the support shaft 9 for supporting the roll type medium 2 such that the roll type medium is rotatable.
  • a roll type medium 2 is fixed to the support shaft 9 to rotate together with the roll type medium 2.
  • bearings 30 are fit on both end parts 9a of the support shaft 9, respectively, and the bearings 30 are fit into the recesses 19 constituting the feeding side holding parts 12.
  • the two bearings 30 are mounted on the two inclined surfaces 20, respectively.
  • rollers 31 for supporting the support shaft 9 such that the support shaft is rotatable may be disposed in the recesses 19.
  • the feeding side holding parts 12 may have the rollers 31 for supporting the support shaft 9 such that the support shaft is rotatable.
  • both end parts 9a of the support shaft 9 disposed on the upper sides of the medium holding members 8 are mounted on the inclined surfaces 20 as they are.
  • passing grooves 33 may be formed in the medium holding members 8 so as to pass both end parts 9a of the support shaft 9 from the lower sides of the medium holding members 8 to the upper sides of the medium holding members 8.
  • movable lids 34 for blocking the upper ends of the passing grooves 33 are disposed on the upper end sides of the passing grooves 33.
  • the movable lids 34 are configured to be rotatable around support shafts 35.
  • the top surfaces of the movable lids 34 constitute parts of the inclined surfaces 20.
  • the support shaft 9 disposed on the lower sides of the medium holding members 8 is lifted until both end parts 9a of the support shaft 9 pass through the passing grooves 33 and the movable lids 34 lifted by both end parts 9a of the support shaft 9 having passed through the passing grooves 33 return to their original states, the support shaft 9 is lowered, whereby both end parts 9a of the support shaft 9 are mounted on the inclined surfaces 20.
  • components identical to those in the above described embodiment are denoted by the same reference symbols.
  • the stoppers 23 are joined to the lifting/lowering mechanism for lifting and lowering the stoppers 23 automatically or manually.
  • the stoppers 23 may be joined with a rotating mechanism for rotating the stoppers 23 automatically or manually.
  • the stoppers 23 rotate between the regulation positions 23A where they protrude upward from the inclined surfaces 20, thereby regulating movement of a roll type medium 2, and the open positions 23B where they retract downward from the inclined surfaces 20, thereby allowing movement of a roll type medium 2.
  • the stoppers 23 may be joined with a slide mechanism for automatically or manually sliding the stoppers 23 in the left-right direction.
  • the stoppers 23 slide between regulation positions where they protrude inward from the guide walls 22 in the left-right direction, thereby regulating movement of a roll type medium 2, and open positions where they retreat outward from the guide walls 22 in the left-right direction, thereby allowing movement of a roll type medium 2.
  • the stoppers 23 are configured to be movable between the regulation positions 23A and the open positions 23B.
  • the stoppers 23 may be fixed at the regulation positions 23A.
  • the stoppers 23 may be protrusions which protrude upward from the inclined surfaces 20, thereby regulating movement of a roll type medium 2.
  • the stoppers 23 since it becomes possible to correct the inclination of a roll type medium 2 by the stoppers 23, it becomes possible to set the roll type medium 2 having the corrected inclination in the feeding side holding parts 12.
  • the user may lift up a roll type medium 2 subjected to movement regulation by the stoppers 23, and set the roll type medium in the feeding side holding parts 12.
  • a roll type medium 2 is fit on one support shaft 9.
  • a roll type medium 2 may be fit on two support shafts separated in the left-right direction. In this case, end parts of each of the two support shafts protrude outward from both end surfaces of the roll type medium 2, respectively.
  • the guide walls 22 are formed at the medium mounting parts 13. However, the guide walls 22 may not be formed at the medium mounting parts 13.
  • the interval between the two lifting/lowering members 16 in the left-right direction is set to be narrower than the width of a roll type medium 2, and a roll type medium 2 is mounted on the two lifting/lowering members 16.
  • the interval between the two lifting/lowering members 16 in the left-right direction may be set to be wider than the width of a roll type medium 2, and both end parts 9a of the support shaft 9 may be mounted on the two lifting/lowering members 16, respectively.
  • the main body part 15 is divided into two parts in the left-right direction. Also, in this case, as shown in FIG.
  • the printer 1 may include a medium lifting/lowering mechanism 44 shown in FIG. 13 or 14 , in place of the medium lifting/lowering mechanism 4.
  • the medium lifting/lowering mechanism 44 includes a pillar main body part 45 which is disposed such that the longitudinal direction thereof is aligned in the upward and downward direction, a lifting/lowering member 46 which is held by the main body part 45 so as to be movable up and down, and wheels 47 for moving the main body part 45.
  • the lifting/lowering member 46 is joined with a driving mechanism for manually lifting and lowering the lifting/lowering member 46, and if a handle 48 is rotated, the lifting/lowering member 46 moves up or down.
  • a roll type medium 2 is mounted on the lifting/lowering member 46, and in the example shown in FIG. 14 , both end parts 9a of the support shaft 9 are mounted on the lifting/lowering member 46.

Landscapes

  • Unwinding Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Ink Jet (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
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Cited By (1)

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CN108528063A (zh) * 2018-04-24 2018-09-14 山东海邦达机电科技有限公司 一种喷墨打印机挂板结构

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JP2024082751A (ja) * 2022-12-09 2024-06-20 キヤノン株式会社 シート供給装置及び記録装置

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JPH1179492A (ja) * 1997-09-03 1999-03-23 Fuji Photo Film Co Ltd プリント用紙のロール受け台装置
JP2007031127A (ja) * 2005-07-29 2007-02-08 Fujifilm Holdings Corp 分離供給装置及び製品ストック装置
EP2184244A2 (fr) * 2008-11-05 2010-05-12 Voith Patent GmbH Dispositif d'enroulement et de déroulement de tambour
US20110206439A1 (en) * 2010-02-24 2011-08-25 Seiko Epson Corporation Roll medium feeding apparatus and recording apparatus
JP2012153456A (ja) 2011-01-24 2012-08-16 Seiko Epson Corp 記録装置、ロール媒体持ち上げ装置
US20130271543A1 (en) * 2012-04-16 2013-10-17 Seiko Epson Corporation Medium loading device and recording apparatus

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JP3553366B2 (ja) * 1998-04-28 2004-08-11 三菱重工業株式会社 親巻搬送設備
JP3943918B2 (ja) * 2001-12-03 2007-07-11 三菱重工業株式会社 親巻ロールの自動搬送装置

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Publication number Priority date Publication date Assignee Title
JPH1179492A (ja) * 1997-09-03 1999-03-23 Fuji Photo Film Co Ltd プリント用紙のロール受け台装置
JP2007031127A (ja) * 2005-07-29 2007-02-08 Fujifilm Holdings Corp 分離供給装置及び製品ストック装置
EP2184244A2 (fr) * 2008-11-05 2010-05-12 Voith Patent GmbH Dispositif d'enroulement et de déroulement de tambour
US20110206439A1 (en) * 2010-02-24 2011-08-25 Seiko Epson Corporation Roll medium feeding apparatus and recording apparatus
JP2012153456A (ja) 2011-01-24 2012-08-16 Seiko Epson Corp 記録装置、ロール媒体持ち上げ装置
US20130271543A1 (en) * 2012-04-16 2013-10-17 Seiko Epson Corporation Medium loading device and recording apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108528063A (zh) * 2018-04-24 2018-09-14 山东海邦达机电科技有限公司 一种喷墨打印机挂板结构
CN108528063B (zh) * 2018-04-24 2024-03-05 山东海邦达机电科技有限公司 一种喷墨打印机挂板结构

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