JP7113043B2 - inkjet printer - Google Patents

Description

The present invention relates to inkjet printers.

2. Description of the Related Art Conventionally, an inkjet printer is known that includes a platen on which a recording medium is placed, an ink head that ejects ink onto the recording medium placed on the platen, and a transport mechanism that transports the recording medium. For example, Japanese Patent Application Laid-Open No. 2002-200000 discloses a medium pressing portion that is used to suppress lifting of both ends of a conveyed recording medium in the width direction perpendicular to the conveying direction.

JP 2016-68420 A

By the way, in the medium pressing portion described in Patent Document 1, the user grips a pair of gripping portions so that the medium pressing portion can be moved in the width direction with respect to the medium supporting portion. In other words, the position of the medium pressing portion can be changed according to the length in the width direction of the recording medium placed on the medium supporting portion. However, in the medium holding portion of Patent Document 1, the structure around the grip portion is complicated, so there is a risk of an increase in cost.

SUMMARY OF THE INVENTION An object of the present invention is to provide an inkjet printer capable of suppressing floating of a recording medium with a simpler structure.

An inkjet printer according to the present invention includes a platen having a mounting surface on which a recording medium is mounted; an ink head that ejects ink onto the recording medium and is provided movably in a main scanning direction; a transport mechanism for transporting the recording medium in a sub-scanning direction orthogonal to the scanning direction; and a restraining member that The suppressing member includes a first plate portion positioned above the placement surface and suppressing the lifting of the recording medium, and a first plate portion extending downward from one end of the first plate portion in the sub-scanning direction. a second plate portion that extends and a part of which is located below the mounting surface; and the first plate that is held between the platen and the second plate portion. a holding member for holding one end of the portion in the sub-scanning direction on the platen.

According to the inkjet printer of the present invention, since the holding member holds the one end of the first plate portion in the sub-scanning direction on the platen, the first plate portion arranged above the recording medium prevents the recording medium from floating. Suppressed.

According to the present invention, it is possible to provide an inkjet printer capable of suppressing floating of a recording medium with a simpler structure.

1 is a front view of a printer according to one embodiment; FIG. 3 is a front view of an ink head unit and a cutting head unit; FIG. 3 is a front view of an ink head unit and a cutting head unit; FIG. 3 is a block diagram of the control system of the printer according to one embodiment; FIG. FIG. 3 is a plan view showing a structure around a platen according to one embodiment; FIG. 4 is a perspective view showing part of the structure around the platen according to one embodiment; It is a side view which shows a part of structure around the platen which concerns on one Embodiment. It is a side view which shows a part of structure around the platen which concerns on one Embodiment. It is a perspective view of the suppression member which concerns on one Embodiment. 1 is a perspective view of a plate member according to one embodiment; FIG. FIG. 4 is a perspective view of a retaining member according to one embodiment; It is a front view of the holding member which concerns on one Embodiment. FIG. 4 is a front view of the holding member according to the embodiment, showing a state in which the arms are elastically deformed upward; FIG. 11 is a side view showing a state in which a suppressing member according to one embodiment is placed on a platen; It is a side view which shows the state which lifted the suppression member which concerns on one Embodiment from the platen.

An inkjet printer 100 with a cutting head (hereinafter referred to as printer 100) according to one embodiment will be described below with reference to the drawings. As shown in FIG. 1, the printer 100 according to the present embodiment is a so-called print & cut machine capable of printing and cutting a recording medium 5 . It should be noted that the embodiments described herein are, of course, not intended to specifically limit the present invention. Further, members and portions having the same function are denoted by the same reference numerals, and overlapping descriptions are appropriately omitted or simplified.

In the following description, left, right, top, and bottom refer to left, right, top, and bottom, respectively, as seen from the user in front of printer 100 . Also, the direction closer to the user from the printer 100 is defined as the front, and the direction away from the printer 100 is defined as the rear. Symbols F, Rr, L, R, U, and D in the drawings represent front, rear, left, right, up, and down, respectively. Symbol Y in the drawing represents the main scanning direction. In this embodiment, the main scanning direction Y is the horizontal direction. Reference character X in the drawings indicates the sub-scanning direction. The sub-scanning direction X is a direction intersecting the main scanning direction Y (for example, a direction intersecting perpendicularly in plan view). In this embodiment, the sub-scanning direction X is the front-rear direction. Further, the rear side corresponds to the upstream side in the sub-scanning direction X, and the front side corresponds to the downstream side in the sub-scanning direction X. However, the above direction is merely determined for convenience and should not be construed as limiting.

The recording medium 5 is, for example, formed long and wound into a roll for use. The recording medium 5 may be in the form of a sheet which is obtained by cutting a roll into a predetermined length. The recording medium 5 is, for example, recording paper. However, the recording medium 5 is not limited to recording paper. For example, the recording medium 5 includes a sheet made of a resin material such as polyvinyl chloride (PVC) or polyester, a sealing material made of a backing paper and a release paper laminated on the backing paper and coated with an adhesive, and the like. be The recording medium 5 of this embodiment is, for example, a polyvinyl chloride sheet material. The polyvinyl chloride sheet material is composed of, for example, a backing paper (base material) made of plain paper, a release paper made of polyvinyl chloride, and an adhesive interposed between the backing paper and the release paper. ing. Ink ejected from the ink head 22 (see FIG. 2A) is fixed on the release paper. Materials for the mount and release paper are not limited to those described above, but the substrate and release paper are typically made of different materials. In this specification, the terms “cutting” and “cutting” refer to cutting the entire thickness of the recording medium 5 (for example, cutting both the mount and the release paper of the sealing material) and cutting the thickness of the recording medium 5 . A case where part of the direction is cut (for example, a case where only the release paper is cut without cutting the mount of the sealing material) is included.

As shown in FIG. 1, the printer 100 includes a base member 12, legs 11, a platen 16 (see also FIG. 4) on which the recording medium 5 is placed, an ink head unit 20, a cutting head unit 30, A carriage movement mechanism 40 , a medium transport mechanism 55 , and a control device 90 are provided. The legs 11 support the base member 12 and are provided on the lower surface of the base member 12 . The base member 12 extends in the main scanning direction Y. As shown in FIG. The base member 12 is provided with a casing 12a extending in the main scanning direction Y. As shown in FIG.

The platen 16 supports the recording medium 5 when printing on the recording medium 5 and cutting the recording medium 5 . A recording medium 5 is placed on the platen 16 . As shown in FIG. 4, the platen 16 has a mounting surface 16P on which the recording medium 5 is mounted. The mounting surface 16P is formed flat. The platen 16 is an example of a mounting table. Printing on the recording medium 5 and cutting of the recording medium 5 are performed on the platen 16 . The platen 16 extends in the main scanning direction Y and the sub scanning direction X. As shown in FIG. The length of the platen 16 in the main scanning direction Y is longer than the length in the sub scanning direction X. As shown in FIG. The platen 16 is provided on the base member 12 (see FIG. 1). A platen 16 is provided in the central portion of the base member 12 .

As shown in FIG. 6, the platen 16 is formed with a first guide groove 16A into which a part of the holding member 76 (here, a projecting portion 76C described later) is fitted. The first guide groove 16A is located below the mounting surface 16P. The first guide groove 16A is formed on the lower surface of the front end portion of the platen 16. As shown in FIG. The first guide groove 16A is recessed upward. The first guide groove 16A extends in the main scanning direction Y. As shown in FIG. The first guide groove 16A is formed over the entire main scanning direction Y of the platen 16 .

As shown in FIG. 6, the platen 16 is formed with a second guide groove 16B into which a part of the plate-like member 72 described later (here, a locking portion 74 described later) is fitted. The second guide groove 16B is formed on the mounting surface 16P. The second guide groove 16B is recessed downward from the mounting surface 16P. The second guide groove 16B extends in the main scanning direction Y. As shown in FIG. The second guide groove 16B is formed over the entire main scanning direction Y of the platen 16 . The second guide groove 16B is located behind the first guide groove 16A. The second guide groove 16B is positioned forward of a grit roller 57, which will be described later. The second guide groove 16B is formed with a locking protrusion 16E to which a portion of the plate-like member 72 (here, the locking portion 74) is locked. The locking projection 16E extends rearward. The locking protrusion 16E extends in the main scanning direction Y. As shown in FIG. The locking protrusion 16E is located below the mounting surface 16P. The locking projection 16E is formed over the entire main scanning direction Y of the platen 16. As shown in FIG.

As shown in FIG. 6, the printer 100 has guide members 19 . The guide member 19 is arranged forward of the platen 16 . The guide member 19 is supported by the base member 12 (see FIG. 1). The guide member 19 guides the recording medium 5 conveyed from the platen 16 when the recording medium 5 moves from the upstream side in the sub-scanning direction X to the downstream side. An upper surface 19A of the guide member 19 is inclined downward from the rear toward the front. The upper surface 19A is formed in a substantially arc shape when viewed from the main scanning direction Y. As shown in FIG. An upper surface 19A of the guide member 19 is located below the mounting surface 16P.

As shown in FIG. 1, the printer 100 has a central wall 14 extending in the main scanning direction Y and in the vertical direction. A central wall 14 is supported by the base member 12 . Central wall 14 is positioned above platen 16 . A gap through which the recording medium 5 can pass is formed between the central wall 14 and the platen 16 . The printer 100 has guide rails 15 . The guide rail 15 extends in the main scanning direction Y. As shown in FIG. A guide rail 15 is provided on the central wall 14 . The guide rail 15 is arranged above the platen 16 .

As shown in FIG. 2A, the ink head unit 20 has a first carriage 21 and a plurality of ink heads 22 . The first carriage 21 is engaged with the guide rail 15 . The first carriage 21 is configured to be movable in the main scanning direction Y along the guide rail 15 . The ink head 22 has nozzles (not shown) that eject ink onto the recording medium 5 placed on the platen 16 . The ink head 22 prints a predetermined image on the recording medium 5 . The ink head 22 is mounted on the first carriage 21 . The ink head 22 is configured to be movable in the main scanning direction Y as the first carriage 21 moves. Here, five ink heads 22 are mounted on the first carriage 21 . However, the number of ink heads 22 is not limited to five.

As shown in FIG. 2A, the cutting head unit 30 comprises a second carriage 31 and a cutting head 38. As shown in FIG. The cutting head 38 has a solenoid 32 and a cutter 33 . The second carriage 31 is engaged with the guide rail 15 . The second carriage 31 is arranged on the side (left side in this case) of the first carriage 21 with respect to the main scanning direction Y. As shown in FIG. The second carriage 31 is configured to be movable in the main scanning direction Y along the guide rail 15 . A cutting head 38 is mounted on the second carriage 31 . A cutter 33 cuts the recording medium 5 placed on the platen 16 . The solenoid 32 is controlled by a controller 90 (see FIG. 1). When the solenoid 32 is turned on/off, the cutter 33 moves up and down to contact or separate from the recording medium 5 . The cutter 33 is configured to be movable in the main scanning direction Y as the second carriage 31 moves.

The carriage movement mechanism 40 is a mechanism for moving the first carriage 21 of the ink head unit 20 and the second carriage 31 of the cutting head unit 30 relative to the recording medium 5 placed on the platen 16 in the main scanning direction Y. is. The carriage movement mechanism 40 moves the first carriage 21 and the second carriage 31 in the main scanning direction Y. As shown in FIG. Note that the configuration of the carriage moving mechanism 40 is not particularly limited. As shown in FIG. 1 , the carriage moving mechanism 40 includes a first pulley 41 , a second pulley 42 , an endless belt 43 and a carriage motor 44 . The first pulley 41 is provided on the left end side of the guide rail 15 . The second pulley 42 is provided on the right end side of the guide rail 15 . The belt 43 is wound around the first pulley 41 and the second pulley 42 . The belt 43 is fixed to the upper back surface of the second carriage 31 (see FIG. 2A). A carriage motor 44 is connected to the second pulley 42 . However, the carriage motor 44 may be connected to the first pulley 41 . Here, the belt 43 runs between the first pulley 41 and the second pulley 42 by driving the carriage motor 44 and rotating the second pulley 42 . As a result, the second carriage 31 moves in the main scanning direction Y. As shown in FIG. That is, the carriage motor 44 moves the second carriage 31 in the main scanning direction Y. As shown in FIG. As will be described later, the first carriage 21 moves in the main scanning direction Y as the second carriage 31 moves. The carriage motor 44 indirectly moves the first carriage 21 in the main scanning direction Y via the second carriage 31 . The carriage motor 44 is controlled by a control device 90 (see FIG. 1).

As shown in FIG. 2A, the left side portion of the first carriage 21 is provided with a first connecting member 24 made of a magnet. A second connecting member 34 made of a magnet is fixed to the right portion of the second carriage 31 . The first connecting member 24 is detachably connected to the second connecting member 34 . In this embodiment, the first connecting member 24 and the second connecting member 34 utilize magnetic force. However, the first connecting member 24 and the second connecting member 34 are not limited to those utilizing magnetic force, and may be provided with other configurations such as engaging members. An L-shaped first bracket 25 is provided on the right side of the first carriage 21 .

As shown in FIG. 2A, a left side frame 7L and a right side frame 7R are arranged on the left and right sides of the platen 16, respectively. A lock device 35 for locking the ink head unit 20 at the standby position is provided on the right side frame 7R. The locking device 35 includes a second receiving metal fitting 36 hooked on the first receiving metal fitting 25, and a locking device for moving the second receiving metal fitting 36 between a locking position (see FIG. 2B) and an unlocking position (see FIG. 2A). and a solenoid 37 (see FIG. 3). The locking solenoid 37 is controlled by the controller 90 .

As shown in FIG. 2A, when printing a predetermined image on the recording medium 5 with the ink head 22, the second receiving fitting 36 is set to the unlocked position. When the second carriage 31 of the cutting head unit 30 moves to the right and the second connecting member 34 and the first connecting member 24 come into contact with each other, the second carriage 31 and the first carriage 21 are connected. As a result, the ink head unit 20 can move in the main scanning direction Y together with the cutting head unit 30 . That is, the first carriage 21 and the second carriage 31 are moved in the main scanning direction Y by driving the carriage motor 44 . On the other hand, when cutting the recording medium 5 with the cutter 33, as shown in FIG. 2B, the ink head unit 20 is positioned at the standby position, and the second receiving metal fitting 36 of the lock device 35 is set at the lock position. As a result, movement of the ink head unit 20 in the main scanning direction Y is blocked. When the second carriage 31 moves to the left, the second connecting member 34 and the first connecting member 24 are separated, and the connection between the second carriage 31 and the first carriage 21 is released. As a result, only the cutting head unit 30 can move in the main scanning direction Y while the ink head unit 20 is waiting at the waiting position. That is, only the second carriage 31 moves in the main scanning direction Y by driving the carriage motor 44 .

The medium transport mechanism 55 transports the recording medium 5 placed on the platen 16 in the sub-scanning direction X with respect to the ink head 22 and the cutting head 38 . Here, the medium transport mechanism 55 transports the recording medium 5 placed on the platen 16 in the sub-scanning direction X. As shown in FIG. The medium transport mechanism 55 is an example of a transport mechanism. As shown in FIG. 1, the media transport mechanism 55 includes a plurality of grit rollers 57, a feed motor 58 (see FIG. 3), a plurality of pinch roller units 60, a holding shaft 45, and a lever 46. there is

As shown in FIG. 4, the grit roller 57 is provided on the platen 16. As shown in FIG. The grit roller 57 is embedded in the platen 16 so that the upper portion of the grit roller 57 is exposed to the outside. In this embodiment, printer 100 includes eight grit rollers 57 . Note that the number of grit rollers 57 is not limited to eight. The grit rollers 57 are arranged in parallel in the main scanning direction Y. As shown in FIG. The grit roller 57 sandwiches the recording medium 5 between itself and a pinch roller 62 (see FIG. 5), which will be described later. A feed motor 58 (see FIG. 3) is connected to the grit roller 57 . The feed motor 58 is controlled by a controller 90 (see FIG. 1). When the feed motor 58 is driven to rotate the grit roller 57 while the recording medium 5 is sandwiched between the grit roller 57 and the pinch roller 62, the recording medium 5 is conveyed in the sub-scanning direction X. In this embodiment, the recording medium 5 moves from the upstream side to the downstream side or from the downstream side to the upstream side while being sandwiched between the grit roller 57 and the pinch roller 62 .

As shown in FIG. 6 , the pinch roller unit 60 includes pinch rollers 62 and support members 64 . The pinch roller unit 60 is arranged above the platen 16 . The pinch roller 62 presses the recording medium 5 from above. The pinch roller 62 is configured to be arranged above the grit roller 57 so as to face the grit roller 57 in the vertical direction. A support member 64 rotatably supports the pinch roller 62 . The support member 64 supports the pinch roller 62 so as to be vertically movable. The support member 64 is rotatably supported by a holding shaft 45 (see FIG. 1) extending in the main scanning direction Y. As shown in FIG.

As shown in FIG. 1, the holding shaft 45 is arranged below the guide rail 15 . The holding shaft 45 is arranged above the platen 16 . A lever 46 is connected to the right end of the holding shaft 45 . Depressing the lever 46 rotates the holding shaft 45 to bring the pinch roller 62 closer to the grit roller 57 . On the other hand, by pushing up the lever 46 , the holding shaft 45 rotates and the pinch roller 62 can be separated from the grit roller 57 .

As shown in FIG. 4, a frame member 13 extending in the sub-scanning direction X is provided on the right side of the platen 16 . As shown in FIG. 7, the frame member 13 overlaps a part of the guide member 19, a part of the later-described plate-like member 72, and the grit roller 57 in a side view. The frame member 13 does not overlap the mounting surface 16P of the platen 16. As shown in FIG.

As shown in FIG. 4, the printer 100 includes a restraining member 70 that restrains the recording medium 5 placed on the platen 16 from rising. The restraining member 70 includes a right restraining member 70R that restrains the right edge of the recording medium 5 from being lifted, and a left restraining member 70L that restrains the left edge of the recording medium 5 from being lifted. Since the right restraint member 70R and the left restraint member 70L have the same configuration except that they are symmetrical with respect to a straight line extending in the sub-scanning direction X in plan view, the right restraint member 70R will be described below. The right restraint member 70R is provided slidably with respect to the platen 16. As shown in FIG. The right restraint member 70R is provided movably in the main scanning direction Y. As shown in FIG. That is, the right suppressing member 70R is configured to be able to change its position with respect to the platen 16 according to the length of the recording medium 5 in the main scanning direction Y (the length in the width direction). As shown in FIG. 5, a portion of the right restraining member 70R is arranged above the recording medium 5. As shown in FIG. The right restraint member 70R is provided so as not to be detachable from the platen 16 .

As shown in FIG. 8, the right suppressing member 70R includes a plate-like member 72 that suppresses the recording medium 5 from floating, a holding member 76 that holds the plate-like member 72 on the platen 16, and a back surface of the plate-like member 72. and a height adjustment member 85 . Although the plate member 72 and the holding member 76 are formed separately in this embodiment, they may be formed integrally.

As shown in FIG. 8, the plate member 72 extends in the sub-scanning direction X. As shown in FIG. The plate member 72 is made of, for example, a metal material. The plate member 72 is formed, for example, by bending a metal plate. The plate member 72 includes a first plate portion 72A extending in the sub-scanning direction X and a second plate portion 72B extending downward from the front end of the first plate portion 72A. The first plate portion 72A extends in the sub-scanning direction X. As shown in FIG. The first plate portion 72A is located above the mounting surface 16P of the platen 16. As shown in FIG. The first plate portion 72A prevents the recording medium 5 from floating. The first plate portion 72A is provided with a left side portion 72AL spaced apart from the mounting surface 16P, and a height adjusting member 85. The first plate portion 72A is mounted on the mounting surface 16P of the platen 16 via the height adjusting member 85. and a right side portion 72AR. The left side portion 72AL does not contact the mounting surface 16P. That is, a gap through which the recording medium 5 can pass is formed between the left side portion 72AL and the mounting surface 16P. A rear end of the left side portion 72AL is provided with a first inclined portion 73R that extends upward toward the rear. The first inclined portion 73R is formed by bending, for example. The front end of the left side portion 72AL is provided with a second inclined portion 73F that extends upward toward the front. The second inclined portion 73F is formed by bending, for example. A height adjusting member 85 is provided on a portion of the back surface of the right side portion 72AR. The height adjusting member 85 is in surface contact with the mounting surface 16P. That is, the recording medium 5 cannot pass between the height adjusting member 85 and the mounting surface 16P. The height adjustment member 85 is thicker than the recording medium 5 . An engaging portion 74 is formed at the rear end of the right side portion 72AR to engage with the second guide groove 16B (see FIG. 6) formed in the platen 16. As shown in FIG. The locking portion 74 is locked to the locking projection 16E (see FIG. 6) of the second guide groove 16B. The locking portion 74 is formed by bending, for example. A front end of the right side portion 72AR is connected to the second plate portion 72B. A portion of the second plate portion 72B is located below the mounting surface 16P. The second plate portion 72B includes a first portion 72BL extending in the vertical direction, a second portion 72BM extending rearward from the lower end of the first portion 72BL, and a third portion 72BN extending upward from the rear end of the second portion 72BM. include. The first portion 72BL, the second portion 72BM, and the third portion 72BN form a recess 72BD (see also FIG. 9) in which the holding member 76 is locked. In this embodiment, an arm portion 76B of the holding member 76, which will be described later, is held in the concave portion 72BD. As shown in FIG. 7, part of the second plate portion 72B overlaps the frame member 13 in a side view.

As shown in FIG. 6, the holding member 76 is positioned at the front end of the plate member 72 . The holding member 76 is positioned below the mounting surface 16P of the platen 16 . The holding member 76 is held between the platen 16 and the second plate portion 72B of the plate-like member 72 . The holding member 76 holds the front end of the first plate portion 72A of the plate-like member 72 on the platen 16 . At least a portion of the holding member 76 is elastically deformable. The holding member 76 is made of, for example, a resin material. As shown in FIG. 10, the holding member 76 includes a holding portion 76A extending in the main scanning direction Y, an arm portion 76B extending diagonally downward to the right from the left end of the holding portion 76A, and an arm portion 76B extending upward from the holding portion 76A. and a projecting portion 76C. The holding portion 76A is held by the platen 16 . The holding portion 76A holds the plate member 72 . A notch portion 76AL for holding the plate member 72 is formed in the holding portion 76A. The notch portion 76AL is formed on the right side of the holding portion 76A. In this embodiment, as shown in FIG. 8, the holding portion 76A holds the second plate portion 72B of the plate-like member 72. As shown in FIG. More specifically, the holding portion 76A holds the first portion 72BL of the second plate portion 72B. As shown in FIGS. 11 and 12, the arm portion 76B is arranged so that the separation distance (here, vertical distance) from the holding portion 76A gradually increases as it goes rightward from the left end of the holding portion 76A toward the right end. Extend. The arm portion 76B is configured to be elastically deformable in the vertical direction. That is, the arm portion 76B is elastically deformed in the vertical direction with respect to the holding portion 76A. The arm portion 76B biases the second plate portion 72B of the plate-like member 72 . The arm portion 76B is held by the second plate portion 72B. In the present embodiment, as shown in FIG. 13, the arm portion 76B held in the recess 72BD urges the second plate portion 72B downward, thereby causing the first plate portion 72A to move downward toward the platen 16. is energized by That is, since the holding member 76 biases the second plate portion 72B, the floating of the recording medium 5 is suppressed by the first plate portion 72A. As shown in FIG. 7, a portion of the arm portion 76B overlaps the frame member 13 in side view. As shown in FIG. 10, the projecting portion 76C is provided at the rear portion of the holding portion 76A. The projecting portion 76C extends in the main scanning direction Y. As shown in FIG. As shown in FIG. 13, the projecting portion 76C is fitted into the first guide groove 16A of the platen 16. As shown in FIG. The projecting portion 76C is guided by the first guide groove 16A. The holding member 76 is configured to be movable in the main scanning direction Y along the first guide groove 16A.

As shown in FIG. 13, when the restraining member 70 is attached to the platen 16, the arm portion 76B of the holding member 76 biases the second plate portion 72B of the plate member 72 downward. As a result, the first plate portion 72A connected to the second plate portion 72B is urged downward toward the platen 16. As shown in FIG. At this time, the height adjustment member 85 provided on the back surface of the right side portion 72AR of the first plate portion 72A contacts the mounting surface 16P of the platen 16, but the left side portion 72AL of the first plate portion 72A (see FIG. 8) ) does not contact the mounting surface 16P, the recording medium 5 can pass between the left side portion 72AL and the mounting surface 16P. Since the first plate portion 72A is urged downward toward the platen 16 by the holding member 76, the left side portion 72AL of the first plate portion 72A can prevent the recording medium 5 from floating.

As shown in FIG. 14, when changing the position of the suppressing member 70, the user lifts the second inclined portion 73F of the first plate portion 72A. Since the arm portion 76B of the holding member 76 is elastically deformed upward, the height adjusting member 85 is separated from the mounting surface 16P of the platen 16. As shown in FIG. That is, the position of the suppressing member 70 can be changed while the first plate portion 72A (for example, the height adjusting member 85) is appropriately separated from the mounting surface 16P. The plate member 72 is moved in the main scanning direction Y in this state. That is, the plate member 72 is moved along the second guide groove 16B, and the holding member 76 is moved along the first guide groove 16A. At this time, the plate member 72 and the holding member 76 move together. After moving the plate-like member 72 to a desired position on the platen 16, the first plate portion 72A is lowered so that the arm portion 76B urges the second plate portion 72B of the plate-like member 72 downward. As a result, the first plate portion 72A is biased toward the platen 16, and the height adjusting member 85 comes into contact with the mounting surface 16P.

As described above, according to the printer 100 of the present embodiment, the holding member 76 causes the platen 16 to hold one end (here, the rear end) of the first plate portion 72A in the sub-scanning direction X. The first plate portion 72A arranged above the recording medium 5 prevents the recording medium 5 from floating. In the present embodiment, the holding member 76 is positioned below the mounting surface 16P, so that it does not interfere with the recording medium 5. As shown in FIG. Therefore, the degree of freedom in the configuration of the holding member 76 is increased. For example, since the holding member 76 is positioned below the mounting surface 16P, the attachment/detachment workability is inferior to the case where the holding member 76 is positioned above the mounting surface 16P. By doing so, it is possible to make it easy to handle, and improvement of the workability of the attachment/detachment work is realized.

According to the printer 100 of this embodiment, at least a portion of the holding member 76 is configured to be elastically deformable, and by urging the second plate portion 72B (for example, urging the second plate portion 72B downward), The floating of the recording medium 5 is suppressed by the first plate portion 72A. Since at least a portion of the holding member 76 is elastically deformable, the user can lift a portion of the plate member 72, for example. That is, the suppressing member 70 can be moved in the main scanning direction Y while the first plate portion 72A of the plate-like member 72 is separated from the recording medium 5 placed on the platen 16 . Thereby, interference between the first plate portion 72A and the end portion of the recording medium 5 in the sub-scanning direction X can be suppressed. By lowering the first plate portion 72A to a desired position on the platen 16, the first plate portion 72A can be easily arranged above the recording medium 5 according to the size of the recording medium 5. FIG.

According to the printer 100 of this embodiment, the holding member 76 and the plate-like member 72 are formed separately, the holding member 76 is made of a resin material, and the plate-like member 72 is made of a metal material. By forming the holding member 76 from a resin material, it is possible to easily impart an elastic force to the holding member 76 while suppressing an increase in the size of the holding member 76 . Further, since the plate-like member 72 is made of a metal material, it can be easily processed.

According to the printer 100 of the present embodiment, the holding member 76 extends in the main scanning direction Y and includes a holding portion 76A held by the platen 16 and a right end of the holding portion 76A from the left end to the right end in the main scanning direction Y. and is held by the second plate portion 72B so as to be elastically deformable with respect to the holding portion 76A. and an arm portion 76B that biases 72B. As a result, the positional relationship between the plate member 72 and the holding member 76 is determined, and since the arm portion 76B biases the second plate portion 72B, the first plate portion 72A can prevent the recording medium 5 from floating.

According to the printer 100 of the present embodiment, the holding member 76 includes a projecting portion 76C that extends upward from the holding portion 76A in the main scanning direction Y and is guided by the first guide groove 16A formed in the platen 16. . Since the holding member 76 is guided by the first guide groove 16A, the suppressing member 70 can be easily (smoothly) moved along the main scanning direction Y. As shown in FIG.

The printer 100 of this embodiment includes a frame member 13 that is provided to the right of the platen 16 and overlaps a part of the plate member 72 (here, the second plate portion 72B) in side view. When the suppressing member 70 is moved toward the frame member 13, the second plate portion 72B of the plate-like member 72 contacts the frame member 13, so that the movement of the suppressing member 70 can be restricted. In addition, since the arm portion 76B extends obliquely downward from the left end portion of the holding portion 76A toward the right end portion, the arm portion 76B is extended to the left ( longer).

According to the printer 100 of this embodiment, the rear end of the first plate portion 72A is provided with the engaging portion 74 that engages with the second guide groove 16B formed in the mounting surface 16P of the platen 16. As shown in FIG. Thereby, the suppressing member 70 can be easily (smoothly) moved along the main scanning direction Y. As shown in FIG. In addition, the first plate portion 72A can more reliably prevent the recording medium 5 from floating.

According to the printer 100 of this embodiment, the suppressing member 70 is provided on the rear surface of the first plate portion 72A and includes the height adjusting member 85 that can come into contact with the platen 16 . As a result, it is possible to smoothly convey the recording medium 5 in the sub-scanning direction X while suppressing the floating of the recording medium 5 .

According to the printer 100 of the present embodiment, the rear end of the first plate portion 72A is provided with the first inclined portion 73R that extends upward toward the rear. Due to the provision of the first inclined portion 73R, when the recording medium 5 is conveyed from the upstream side to the downstream side in the sub-scanning direction X, interference between the rear end of the first plate portion 72A and the recording medium 5 is suppressed.

According to the printer 100 of the present embodiment, the front end of the first plate portion 72A is provided with the second inclined portion 73F that extends upward toward the front. Since the second inclined portion 73F has a shape that is easy for the user to grasp, the user can lift the plate-like member 72 more easily.

The preferred embodiments of the present invention have been described above. However, the above-described embodiments are merely examples, and the present invention can be embodied in various other forms.

In the above-described embodiment, the platen 16 is provided with the first guide groove 16A, and the holding member 76 is configured to move along the first guide groove 16A. It does not have to be formed.

In the above-described embodiment, the arm portion 76B of the holding member 76 extends obliquely downward to the right from the left end of the holding portion 76A, but the present invention is not limited to this. The arm portion 76B may extend obliquely downward to the left from the right end of the holding portion 76A.

In the embodiment described above, the holding member 76 was positioned at the front end of the plate-like member 72, but it is not limited to this. The holding member 76 may be positioned at the rear end of the plate member 72 .

In the above-described embodiment, the arm portion 76B of the holding member 76 is configured to be elastically deformable, but the present invention is not limited to this. For example, the second plate portion 72B of the plate-like member 72 may be configured to be elastically deformable (for example, the second plate portion 72B expands and contracts by elastically deforming in the vertical direction).

In the above-described embodiment, the right suppressing member 70R and the left suppressing member 70L are symmetrical with respect to the straight line extending in the sub-scanning direction X in plan view, but the present invention is not limited to this. For example, the first plate portion 72A, which is positioned above the mounting surface 16P and prevents the recording medium 5 from floating up, is arranged on one side and the other side of the second plate portion 72B, which is partly positioned below the mounting surface 16P. It may be provided on both sides. As a result, the left restraining member 70L and the right restraining member 70R can have the same shape, so that both members can be used in common. Further, the first plate portion 72A may have a portion similar to the left portion 72AL on the right side of the right portion 72AR placed on the placement surface 16P of the platen 16 via the height adjustment member 85. FIG. That is, with respect to the main scanning direction Y, on both sides of the portion of the platen 16 that is placed on the placement surface 16P via the height adjustment member 85, the platen 16 is spaced apart from the placement surface 16P and prevents the recording medium 5 from floating. A suppressing portion may be provided.

16 platen (mounting table)
22 ink head 55 medium transport mechanism (transport mechanism)
70 Suppressing member 70L Left suppressing member 70R Right suppressing member 72 Plate member 72A First plate portion 72B Second plate portion 73F Second inclined portion 73R First inclined portion 74 Locking portion 76 Holding member 76A Holding portion 76B Arm portion 76C Projection Shaped portion 85 Height adjusting member 100 Printer (inkjet printer with cutting head)

Claims (12)

a platen having a mounting surface on which a recording medium is mounted;
an ink head that ejects ink onto the recording medium and is movable in a main scanning direction;
a transport mechanism that transports the recording medium in a sub-scanning direction orthogonal to the main scanning direction;
a suppressing member provided slidably in the main scanning direction with respect to the platen and suppressing lifting of the recording medium placed on the platen;
The suppressing member is
a first plate portion positioned above the placement surface to prevent the recording medium from floating; a plate-shaped member having a second plate portion whose portion is located below the mounting surface;
a holding member that is held between the platen and the second plate and causes the platen to hold one end of the first plate in the sub-scanning direction;
An inkjet printer, wherein the holding member and the plate-like member are formed separately . a platen having a mounting surface on which a recording medium is mounted;
an ink head that ejects ink onto the recording medium and is movable in a main scanning direction;
a transport mechanism that transports the recording medium in a sub-scanning direction orthogonal to the main scanning direction;
a suppressing member provided slidably in the main scanning direction with respect to the platen and suppressing lifting of the recording medium placed on the platen;
The suppressing member is
a first plate portion positioned above the placement surface to prevent the recording medium from floating; a plate-shaped member having a second plate portion whose portion is located below the mounting surface;
a holding member that is held between the platen and the second plate and causes the platen to hold one end of the first plate in the sub-scanning direction;
The second plate portion includes a first portion extending in the vertical direction, a second portion extending from the lower end of the first portion to the other side in the sub-scanning direction, and the other end side of the second portion in the sub-scanning direction. and a recess formed by said first portion, said second portion and said third portion in which said retaining member is retained. The holding member is made of a resin material,
2. The inkjet printer according to claim 1 , wherein said plate member is made of a metal material. The holding member and the plate member are formed separately,
The holding member is made of a resin material,
3. The inkjet printer according to claim 2 , wherein said plate member is made of a metal material. The holding member is
a holding portion that extends in the main scanning direction and is held by the platen;
extending from one end of the holding portion in the main scanning direction toward the other end so that the separation distance from the holding portion gradually increases toward the other end; 5. The inkjet according to claim 3 , further comprising an arm portion held by a plate portion, configured to be elastically deformable with respect to the holding portion, and biasing the second plate portion. printer. The platen is formed with a first guide groove positioned below the mounting surface, recessed upward, and extending in the main scanning direction,
The holding member is
6. The inkjet printer according to claim 5 , further comprising a projecting portion extending upward from said holding portion in said main scanning direction and guided by said first guide groove. 7. The holding member according to claim 1, wherein at least a portion of said holding member is elastically deformable, and by urging said second plate portion, said first plate portion suppresses floating of said recording medium . An inkjet printer according to any one of the preceding paragraphs . The ink jet printer according to any one of claims 1 to 7 , further comprising a frame member provided on the other side of the platen in the main scanning direction and overlapping a portion of the plate member in a side view. A second guide groove recessed downward and extending in the main scanning direction is formed on the mounting surface of the platen,
9. The apparatus according to any one of claims 1 to 8 , wherein an end portion of the first plate portion on the other side in the sub-scanning direction is provided with an engaging portion that engages with the second guide groove. inkjet printer. The suppressing member is
10. The inkjet printer according to any one of claims 1 to 9 , further comprising a height adjusting member provided on the back surface of said first plate portion and capable of coming into contact with said platen. 11. The first plate portion according to any one of claims 1 to 10 , wherein a first slant portion is provided at an upstream end portion of the first plate portion in the sub-scanning direction, the first inclined portion being inclined upward toward the upstream side in the sub-scanning direction. 1. The inkjet printer according to item 1. 12. The end portion of the first plate portion on the downstream side in the sub-scanning direction is provided with a second slanted portion that slopes upward toward the downstream side in the sub-scanning direction. 1. The inkjet printer according to item 1.

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