JP6674897B2 - Peeling device and recording system - Google Patents

Description

  The present invention relates to a peeling device that peels a long sheet material adhered to an adhesive section provided in a transport section from the adhesive section, and a recording system.

  Techniques relating to a peeling device have been proposed. For example, Patent Literature 1 discloses an inkjet printing apparatus. The inkjet printing apparatus prints a fabric. The ink jet printing apparatus includes an endless belt, an upstream drive roller and a downstream drive roller, a winding roller, and a peeling roller. The endless belt has an adhesive surface to which the fabric is attached, and conveys the fabric from upstream to downstream. The upstream drive roller and the downstream drive roller drive the endless belt. The take-up roller is installed downstream of the downstream drive roller and takes up the fabric. The peeling roller is provided between the downstream drive roller and the winding roller, and peels the fabric from the endless belt.

  Patent Document 2 discloses a printing apparatus. The printing device includes a printing unit and a tension roll. The printing unit is a unit that draws a picture or a character on a fabric by a continuous discharge charge control type inkjet system. The printing unit has a plurality of line heads. The tension roll applies tension to the fabric that has been subjected to the print processing in the printing section, downstream of the printing section. Along with this, the fabric is peeled off from the conveyor belt.

JP 2009-256812 A JP-A-9-239968

  In a predetermined apparatus or system, when a long sheet material is continuously conveyed, a conveyance unit may be used. The transport unit may be provided with an adhesive unit. In this case, in the transport unit, the long sheet material is transported with the back surface of the sheet material adhered to the adhesive portion. Therefore, a peeling device is used together with the transport unit. The peeling device peels the sheet material from the adhesive section. At this time, the peeling device pulls the sheet material in a state where the peeling portion is in contact with the back surface of the sheet material.

  In the transport section, the back surface of the sheet material attached to the adhesive section may become dirty. For example, it is assumed that the transport unit is a device included in a recording device in the recording system. In this case, an image is recorded by the recording agent on the surface of the sheet material conveyed by the conveyance unit. At this time, the recording agent reaches the back surface of the sheet material, and the back surface of the sheet material may be stained. In the peeling device, as described above, the sheet material is pulled by the peeling unit. Therefore, the back surface of the sheet material is pressed against the outer peripheral surface of the peeling portion. When the back surface of the sheet material is soiled, it is conceivable that contaminants on the back surface of the sheet material adhere to the outer peripheral surface of the peeling portion in contact with the back surface. Based on the recording system, for example, the recording agent becomes a contaminant. It is also assumed that the adhesive in the adhesive portion becomes a contaminant. The outer peripheral surface of the peeling portion is stained by the attachment of contaminants. The contaminants adhering to the outer peripheral surface of the peeling part may further adhere to the back surface of the sheet material during peeling. As a result, contaminants also adhere to the back surface of the sheet material where the back surface is not contaminated, and the back surface of the clean sheet material may become dirty.

  An object of the present invention is to provide a peeling device and a recording system that can suppress contamination of the back surface of a long sheet material to be peeled when peeling from an adhesive portion.

One aspect of the present invention is a state in which the back surface of the sheet material, which is opposite to the front surface of the long sheet material on which an image is recorded, is attached to an adhesive portion provided in a transport unit of the recording apparatus. Transported in the transport direction along the longitudinal direction of the sheet material by the transport unit, an image is recorded on the surface by a recording agent by a recording unit of the recording device, and transported in the transport direction through the recording unit The sheet material is pulled in a state where the outer peripheral surface is in contact with the back surface of the sheet material, and a peeling unit that peels the sheet material from the adhesive portion, and the outer peripheral surface of the peeling unit is separated from the back surface of the sheet material. A cleaning section that cleans an outer peripheral surface of the peeling section with a cleaning liquid in a region where the peeling section is driven, by a driving force from a driving section, a driving roller that rotates in a direction corresponding to the transport direction. Separated from the drive roller. A driven roller that is arranged and rotatably supported, and is bridged between the driving roller and the driven roller, contacts a back surface of the sheet material at a part of the outer peripheral surface, and rotates with the rotation of the driving roller. And an endless annular peeling belt, wherein the driven roller rotates following the peeling belt that rotates with the rotation of the driving roller, and the cleaning unit rotates as the outer peripheral surface of the peeling unit. A peeling device for cleaning an outer circumferential surface of a peeling belt with a cleaning liquid in a region where an outer circumferential surface of the peeling belt is separated from a back surface of the sheet material .

  According to this stripping apparatus, the contaminants attached to the outer peripheral surface of the stripping section can be cleaned by the cleaning section. The outer peripheral surface of the peeling portion can be kept clean. Washing fluid is widely interpreted. That is, the cleaning liquid may be any liquid that can clean contaminants attached to the outer peripheral surface of the peeling belt. The cleaning liquid includes, for example, a solution containing water or a predetermined cleaning agent.

Further, by forming the outer peripheral surface of the peeling portion with the outer peripheral surface of the peeling belt, the circumferential length of the outer peripheral surface of the peeling portion can be set to a desired length. The degree of freedom in design can be increased with respect to the arrangement of the cleaning unit with respect to the peeling unit. The range in the circumferential direction of the outer peripheral surface of the peeling belt (the outer peripheral surface of the peeling portion) that can be cleaned can be appropriately set. For example, it is easy to lengthen the range described above. When a predetermined position on the outer peripheral surface of the peeling belt is used as a reference, a time interval until the reference position contacts the back surface of the sheet material again can be set as appropriate. For example, it is easy to extend the bus a time interval mentioned above. The time interval that extend bus, it is possible to extend the time available for cleaning. The outer peripheral surface of the peeling belt can be kept clean.

  The drive roller may be in contact with a part of an inner peripheral surface of the peeling belt opposite to a part of an outer peripheral surface of the peeling belt that is in contact with the back surface of the sheet material. According to this configuration, the peeling belt can be rotated at a position where the outer peripheral surface of the peeling belt is in contact with the back surface of the sheet material. The driving force can be applied directly to the portion of the peeling belt that contacts the back surface of the sheet material.

  The cleaning unit includes a discharge unit that discharges a cleaning liquid to the outer peripheral surface of the peeling belt, and a liquid removing unit that removes the cleaning liquid from the outer peripheral surface of the peeling belt, and the liquid removing unit is more than the discharging unit. The peeling belt may be provided on a traveling side in a rotating direction. According to this configuration, the cleaning liquid can be supplied to the outer peripheral surface of the peeling belt. The cleaning liquid can be removed from the outer peripheral surface of the peeling belt wet by the cleaning liquid.

  The cleaning unit includes a wiping unit that contacts an outer peripheral surface of the peeling belt and wipes an outer peripheral surface of the peeling belt. The wiping unit includes the discharging unit and the liquid removing unit in a direction in which the peeling belt rotates. , May be provided between them. According to this configuration, the outer peripheral surface of the peeling belt can be wetted with the cleaning liquid before the wiping. The outer peripheral surface of the peeling belt wetted by the cleaning liquid can be wiped by the wiping unit. Thereafter, the cleaning liquid can be removed from the wiped outer peripheral surface of the peeling belt.

  Another aspect of the present invention is a recording system including a supply device, a recording device, any of the above-described peeling devices, and a collection device, wherein the supply device is configured to set a long sheet material. Supplying the set sheet material to the recording device, the recording device is provided with an adhesive portion, the sheet material supplied from the supply device, the surface of the sheet material on which an image is recorded, Is a conveyance unit that conveys the sheet material in a conveyance direction along a longitudinal direction of the sheet material in a state where the back surface of the sheet material on the opposite side is attached to the adhesive portion, and the sheet conveyed by the conveyance unit. A recording unit that records an image with a recording material on the surface of the material, wherein the recovery device recovers the sheet material that has been peeled off from the adhesive unit by the peeling device and has passed through the peeling device. Is

  According to this recording system, a high-definition image is recorded on the front surface of the sheet material, and an image formed product of a long sheet material in which the back surface of the sheet material is maintained in a clean state can be manufactured.

  The recording unit may include a line-type inkjet head that discharges ink as a recording agent on a surface of the sheet material. According to this configuration, the recording speed can be increased, and the image can be recorded at a high speed. When the image recording speed increases, the conveying speed of the sheet material by the conveying unit also increases. Even in such a case, the outer peripheral surface of the peeling portion can be smoothly cleaned.

  Still another aspect of the present invention is a state in which the back surface of the sheet material, which is opposite to the surface of the long sheet material, is attached to an adhesive portion provided in a conveyance unit, and A peeling unit that pulls the sheet material conveyed in a conveyance direction along a longitudinal direction of the sheet material in a state where an outer peripheral surface is in contact with a back surface of the sheet material, and peels the sheet material from the adhesive portion; A cleaning unit that cleans the outer peripheral surface of the peeling unit with a cleaning liquid in a region where the outer peripheral surface of the unit is separated from the back surface of the sheet material, wherein the peeling unit is driven by a driving force from a driving unit. A driving roller that rotates in a direction corresponding to the transport direction, a driven roller that is disposed separately from the driving roller and that is rotatably supported, and that is bridged between the driving roller and the driven roller, On the back of the sheet material And an endless annular peeling belt that rotates with the rotation of the driving roller, and the driven roller rotates following the peeling belt that rotates with the rotation of the driving roller, and the cleaning unit rotates. A peeling device that cleans an outer peripheral surface of the peeling belt with a cleaning liquid in a region where an outer peripheral surface of the peeling belt as an outer peripheral surface of the peeling section is separated from a back surface of the sheet material.

According to this peeling device, by forming the outer peripheral surface of the peeling portion with the outer peripheral surface of the peeling belt, the circumferential length of the outer peripheral surface of the peeling portion can be set to a desired length. The degree of freedom in design can be increased with respect to the arrangement of the cleaning unit with respect to the peeling unit. The range in the circumferential direction of the outer peripheral surface of the peeling belt (the outer peripheral surface of the peeling portion) that can be cleaned can be appropriately set. For example, it is easy to lengthen the range described above. When a predetermined position on the outer peripheral surface of the peeling belt is used as a reference, a time interval until the reference position contacts the back surface of the sheet material again can be set as appropriate. For example, it is easy to extend the bus a time interval mentioned above. The time interval that extend bus, it is possible to extend the time available for cleaning. Contaminants attached to the outer peripheral surface of the peeling belt can be cleaned by the cleaning unit. The outer peripheral surface of the peeling belt can be kept clean. The interpretation of the washing solution is as described above.

  ADVANTAGE OF THE INVENTION According to this invention, the peeling apparatus and recording system which can suppress the contamination of the back surface of the long sheet material which is a peeling object at the time of peeling from an adhesion part can be obtained.

FIG. 2 is a partial cross-sectional front view illustrating an example of a recording system. FIG. 3 is a partial cross-sectional perspective view showing an example of a peeling device. It is a fragmentary perspective view showing other examples of a peeling device.

  An embodiment for carrying out the present invention will be described with reference to the drawings. The present invention is not limited to the configurations described below, and various configurations can be adopted with the same technical idea. For example, some of the configurations described below may be omitted or replaced with another configuration or the like. Other configurations may be included.

<Recording system>
The recording system 1 will be described with reference to FIG. In FIG. 1, an arc arrow shown inside or outside a predetermined roller included in the recording system 1 indicates the rotation direction of the roller. For some of the rollers, the illustration of the arrow indicating the rotation direction is omitted. The recording system 1 includes a supply device 10, a recording device 20, a peeling device 40, and a collection device 80. In the recording system 1, an image is recorded on the sheet material 3 using the long sheet material 3 having a predetermined width as a recording medium. As the long sheet material 3, a long cloth is exemplified. The fabric is a fiber fabric made of various materials.

  In the recording system 1, the sheet material 3 is sent from the supply device 10 to the collection device 80 in correspondence with the recording of the image. A feed roller 9 is appropriately provided at a predetermined position between the supply device 10 and the collection device 80. In the embodiment, one feed roller 9 is provided between the supply device 10 and the recording device 20, and one feed roller 9 is provided between the peeling device 40 and the collection device 80. The number and arrangement of the feed rollers 9 are appropriately set in consideration of various conditions. The sheet material 3 is fed from the supply device 10 and passes through the transport unit 21 of the recording device 20, the peeling device 40, and the plurality of feed rollers 9 before being collected by the collection device 80. That is, in the recording system 1, a path through which the sheet material 3 passes is formed by the transport unit 21, the peeling device 40, and the plurality of feed rollers 9. The sheet material 3 is conveyed along this path in a direction along the longitudinal direction of the sheet material 3. In the embodiment, a direction along the longitudinal direction of the sheet material 3 on which the sheet material 3 is conveyed is referred to as a “conveying direction”. The direction orthogonal to the transport direction on the horizontal plane is referred to as the “transverse direction” according to the lateral direction of the sheet material 3. The short direction corresponds to the width direction of the sheet material 3.

  The supply device 10 supplies the sheet material 3 to the recording device 20. For example, the sheet material 3 wound in a roll shape is set in the supply device 10. The supply device 10 feeds out the sheet material 3 to the recording device 20 side. After being fed from the supply device 10, the sheet material 3 is transported in the transport direction. The sheet material 3 passes through the feed roller 9 before reaching the recording device 20.

  The recording device 20 includes a transport unit 21, a pressing roller 27, and a recording unit 30. In the embodiment, it is assumed that the recording device 20 is an ink jet recording device. The ink colors used for recording the image are four colors of yellow, magenta, cyan, and black. In the recording device 20, a full-color image can be recorded on the sheet material 3 with high definition using these four color inks. Ink ejection is controlled according to image data. That is, in the recording device 20, ink is ejected according to the image data, and an image corresponding to the input image data is recorded on the sheet material 3. In the embodiment, the surface of the sheet material 3 on which an image is recorded is referred to as “front surface 4”, and the surface of the sheet material 3 opposite to the surface 4 of the sheet material 3 is referred to as “back surface 5”.

  The transport unit 21 transports the sheet material 3 supplied from the supply device 10. The sheet material 3 passes through the recording unit 30 while being transported by the transport unit 21. The transport unit 21 is a belt conveyor. The transport unit 21 includes a pair of transport rollers 22 and 23 and a transport belt 24, similarly to a known belt conveyor. The transport roller 22 is provided downstream of the recording unit 30 in the transport direction. The transport roller 23 is provided upstream of the recording unit 30 in the transport direction. The transport belt 24 is an annular endless belt. The transport belt 24 is stretched over the transport rollers 22 and 23 under tension. When the transport belt 24 is stretched over the transport rollers 22 and 23, the outer peripheral surface of the transport belt 24 is in a horizontal state between the transport rollers 22 and 23.

  A drive unit is connected to the transport roller 22. The drive unit is, for example, a motor. This drive unit rotates the transport roller 22 in a direction corresponding to the transport direction. The transport belt 24 rotates in a direction corresponding to the transport direction as the transport roller 22 rotates. The transport roller 23 rotates in a direction corresponding to the transport direction following the rotation of the transport belt 24. In the example shown in FIG. 1, the rotation direction of the transport rollers 22 and 23 is clockwise. In FIG. 1, the illustration of the drive unit connected to the transport roller 22 is omitted. The transport section 21 is provided with an adhesive section 25. The adhesive portion 25 is provided on the outer peripheral surface of the transport belt 24. For example, an adhesive portion 25 is formed on the outer peripheral surface of the transport belt 24 over the entire circumference. The adhesive portion 25 is formed of, for example, a known adhesive tape or adhesive.

  The pressing roller 27 is provided at an upstream end of the transport unit 21 in the transport direction. The pressing roller 27 is provided at the position described above, with the outer peripheral surface of the pressing roller 27 facing the outer peripheral surface of the transport belt 24. The pressing roller 27 is a roller having a dimension corresponding to the width of the transport belt 24 in the short direction. For example, the width of the pressing roller 27 is equal to or larger than the width of the transport belt 24. The pressing roller 27 is urged downward by the urging portion 28 in the vertical direction. In the embodiment, the urging unit 28 is an air cylinder. The biasing portion may be a spring, a weight, or an actuator different from an air cylinder. The pressing roller 27 presses the sheet material 3 supplied from the supply device 10 against the outer peripheral surface of the transport belt 24. The sheet material 3 is attached to the adhesive portion 25 and fixed to the outer peripheral surface of the transport belt 24. The sheet material 3 is transported in the transport direction in a fixed state. In the embodiment in which an image is recorded on the front surface 4 of the sheet material 3, the sheet material 3 is in a state where the back surface 5 is attached to the adhesive portion 25.

  The recording unit 30 is provided above the transport unit 21. The recording unit 30 includes inkjet heads 31Y, 31M, 31C, 31K and a carriage 32. The inkjet head 31Y is an inkjet head that discharges yellow ink. The inkjet head 31M is an inkjet head that ejects magenta ink. The inkjet head 31C is an inkjet head that ejects cyan ink. The inkjet head 31K is an inkjet head that discharges black ink. The ink of each color is stored in an ink tank of each color, flows through the ink flow path of each color, and is supplied to each of the inkjet heads 31Y, 31M, 31C, and 31K. In FIG. 1, illustration of the ink tanks of each color and the ink flow paths of each color is omitted.

  The inkjet heads 31Y, 31M, 31C, 31K are line-type inkjet heads. In the line type inkjet heads 31Y, 31M, 31C and 31K, a plurality of nozzles are arranged in the short direction. The region in the short direction in which the plurality of nozzles are arranged is a range corresponding to the width of the sheet material 3. For example, a region in the short direction in which a plurality of nozzles are arranged is a range equal to or larger than the width of the sheet material 3.

  The inkjet heads 31Y, 31M, 31C, 31K are mounted on the carriage 32. The inkjet heads 31Y, 31M, 31C, 31K are arranged adjacent to each other in the transport direction. In the embodiment, the inkjet head 31Y, the inkjet head 31M, the inkjet head 31C, and the inkjet head 31K are arranged in this order based on the transport direction. The arrangement order of the inkjet heads 31Y, 31M, 31C, and 31K in the transport direction may be different from the order described above. The order of these arrangements is appropriately determined in consideration of various conditions.

  The peeling device 40 is provided downstream of the recording unit 30 in the transport direction. The peeling device 40 peels the sheet material 3 conveyed in the conveyance direction after passing through the recording unit 30 from the adhesive unit 25. Other descriptions of the peeling device 40 will be described later. The recovery device 80 is provided downstream of the peeling device 40 in the transport direction. The collecting device 80 collects the sheet material 3 that has been separated from the adhesive portion 25 by the separating device 40 and has passed through the separating device 40 and the feed roller 9. For example, the sheet material 3 is wound and collected in a roll shape. The sheet material 3 collected by the collection device 80 may be subjected to a predetermined operation in the next step. As the next step, a coloring step is exemplified.

  The recording system 1 may be provided with, for example, a drying device in addition to the devices described above. The drying device is provided between the peeling device 40 and the collecting device 80 in the transport direction. After passing through the peeling device 40, the sheet material 3 further transported in the transport direction passes through the drying chamber of the drying device. The drying device dries ink forming an image recorded on a portion of the sheet material 3 being conveyed in the conveyance direction in the drying chamber. In FIG. 1, the illustration of the drying device is omitted. The drying device is a known device. That is, the drying device may be employed in a known recording system that records an image on the surface of a long sheet material. Other descriptions regarding the drying device are omitted.

<Peeling device>
The peeling device 40 will be described with reference to FIGS. In FIG. 2, the sheet material 3 is illustrated by an imaginary line (two-dot chain line). The peeling device 40 includes a peeling unit 41, a cleaning unit 50, and a liquid receiving tank 60. The peeling section 41 is a main body of the peeling device 40. That is, the peeling unit 41 peels the sheet material 3 on which the image is recorded on the front surface 4 by the recording unit 30 and which is conveyed in the conveying direction after passing through the recording unit 30 from the adhesive unit 25. The peeling unit 41 includes a driving roller 42, a driving unit 43, a first driven roller 44, a second driven roller 45, and a peeling belt 46.

  The drive roller 42 rotates in a direction corresponding to the transport direction. The drive unit 43 is connected to the drive roller 42 (see FIG. 2). The drive unit 43 is a drive source that rotates the drive roller 42 in a direction corresponding to the transport direction. The drive unit 43 is, for example, a motor. That is, the driving roller 42 rotates in a direction corresponding to the transport direction by the driving force from the driving unit 43. The first driven roller 44 is disposed separately from the driving roller 42. The first driven roller 44 is rotatably supported. The second driven roller 45 is disposed separately from the driving roller 42 and the first driven roller 44. The second driven roller 45 is rotatably supported.

  The peeling belt 46 is stretched around the driving roller 42, the first driven roller 44, and the second driven roller 45 under tension. In the embodiment, two tension rollers 49 are provided. The two tension rollers 49 are in contact with the outer peripheral surface 47 of the peeling belt 46 stretched over the driving roller 42, the first driven roller 44, and the second driven roller 45. The peeling belt 46 is pressed against the inner peripheral surface 48 of the peeling belt 46 by two tension rollers 49. The outer peripheral surface 47 of the peeling belt 46 is formed of a material capable of generating a high gripping force between the peeling belt 46 and an object with which the peeling belt 46 comes into contact. That is, the outer peripheral surface 47 of the peeling belt 46 is in a state where a frictional force can be generated between the outer peripheral surface 47 and the back surface 5 of the sheet material 3. For example, the peeling belt 46 is in a state where the outer peripheral surface of a fibrous base material is covered with a silicon material. In this case, the outer peripheral surface 47 of the peeling belt 46 is formed of a silicon material. The outer peripheral surface 47 of the peeling belt 46 is in a smooth state. The inner peripheral surface 48 of the peeling belt 46 is the surface of the peeling belt 46 opposite to the outer peripheral surface 47.

  In the peeling unit 41, the driving roller 42 rotates in a direction corresponding to the transport direction with the rotation of the driving unit 43. When the driving roller 42 rotates in the above-described direction, the peeling belt 46 also rotates in the same direction. The first driven roller 44 and the second driven roller 45 follow the rotation of the peeling belt 46 and rotate in the same direction as the driving roller 42 and the peeling belt 46. In the embodiment, the rotation in the direction corresponding to the transport direction is clockwise rotation (see FIG. 1). In FIG. 2, the arrow described as “rotation direction” on the outer peripheral surface 47 of the peeling belt 46 indicates the direction in which the peeling belt 46 rotates, and the “progressing side” described at the tip of the arrow indicates this direction. Shows the advancing side of the direction.

  The peeling belt 46 is in contact with the back surface 5 of the sheet material 3 at a part of the outer peripheral surface 47. In the peeling section 41, a partial area of the outer peripheral surface 47 of the peeling belt 46 that is in contact with the back surface 5 of the sheet material 3 is provided at a predetermined position different from the reference plane in the vertical direction. The reference surface is a horizontal surface of the outer peripheral surface of the transport belt 24 on the side of the recording unit 30 where the sheet material 3 is transported in the transport direction. In the embodiment, a part of the outer peripheral surface 47 of the peeling belt 46 that is in contact with the back surface 5 of the sheet material 3 is provided vertically above the reference plane (see FIG. 1). The drive roller 42 contacts the inner peripheral surface 48 of the peeling belt 46 in a region of the peeling belt 46 including a part of the outer peripheral surface 47 of the peeling belt 46 that is in contact with the back surface 5 of the sheet material 3. That is, the drive roller 42 contacts a part of the inner peripheral surface 48 of the peeling belt 46 which is on the opposite side to the part of the outer peripheral surface 47 of the peeling belt 46 that contacts the back surface 5 of the sheet material 3.

  When the peeling belt 46 rotates in the direction corresponding to the transport direction, a frictional force is generated between the outer peripheral surface 47 of the peeling belt 46 and the back surface 5 of the sheet material 3. Therefore, in the peeling unit 41, the sheet material 3 on which the image is recorded on the front surface 4 by the recording unit 30 and which is conveyed in the conveying direction after passing through the recording unit 30 is pulled upward. Thereby, the sheet material 3 is peeled off from the adhesive portion 25.

  The cleaning unit 50 cleans the outer peripheral surface of the peeling unit 41 in a region where the outer peripheral surface of the peeling unit 41 is separated from the back surface 5 of the sheet material 3. Here, the outer peripheral surface of the peeling portion 41 is formed by the outer peripheral surface 47 of the peeling belt 46. Therefore, the cleaning unit 50 cleans the outer peripheral surface 47 of the peeling belt 46 in a region where the outer peripheral surface 47 of the peeling belt 46 is separated from the back surface 5 of the sheet material 3. The cleaning unit 50 includes a discharge unit 51, a wiping unit 52, and a liquid removing unit 53. The discharge unit 51, the wiping unit 52, and the liquid removing unit 53 are provided to face the outer peripheral surface 47 of the peeling belt 46. The discharging unit 51, the wiping unit 52, and the liquid removing unit 53 are arranged in the order of the discharging unit 51, the wiping unit 52, and the liquid removing unit 53 based on the direction in which the peeling belt 46 rotates. That is, the liquid removing section 53 is provided on the advancing side in the direction in which the peeling belt 46 rotates with respect to the discharge section 51 and the wiping section 52. The wiping unit 52 is provided between the discharge unit 51 and the liquid removing unit 53 in the direction in which the peeling belt 46 rotates.

  The discharge unit 51 discharges the cleaning liquid to the outer peripheral surface 47 of the peeling belt 46. The discharge unit 51 is connected to a liquid supply device. The cleaning liquid discharged from the discharge unit 51 is supplied to the discharge unit 51 from the liquid supply device. 1 and 2, the illustration of the liquid supply device is omitted. The outer peripheral surface 47 of the peeling belt 46 is in a wet state by the cleaning liquid discharged from the discharge unit 51. As the cleaning liquid, water is exemplified. When the ink is a water-based ink, water is employed as the cleaning liquid. The water used as the cleaning liquid is, for example, clean water or industrial water. However, the cleaning liquid may be a solution containing a predetermined cleaning agent. The cleaning liquid to be used is appropriately selected in consideration of the type of contaminants attached to the outer peripheral surface 47 of the peeling belt 46. For example, the cleaning liquid is appropriately selected according to the type of ink used for recording an image.

  The wiping unit 52 comes into contact with the outer peripheral surface 47 of the peeling belt 46 wet with the cleaning liquid, and wipes the outer peripheral surface 47 of the peeling belt 46. As the wiping unit 52, for example, a brush is used. When the wiping unit 52 is a brush, the brush may be rotated. The direction in which the brush is rotated is a direction opposite to the direction corresponding to the traveling direction of the peeling belt 46 passing through the position of the wiping unit 52, or the direction corresponding to the traveling direction. In the embodiment, the traveling direction of the peeling belt 46 passing through the position of the wiping unit 52 is from the upper side to the lower side in the vertical direction (see FIGS. 1 and 2). Accordingly, with respect to the direction in which the brush is rotated, the direction opposite to the direction corresponding to the traveling direction is the same direction as the direction in which the driving roller 42 rotates, and the direction corresponding to the traveling direction is the direction in which the driving roller 42 rotates. Is in the opposite direction. The rotation of the brush may be performed by connecting a drive unit to the brush. That is, the drive unit rotates, for example, the brush in a direction opposite to the direction corresponding to the traveling direction. However, the driving unit may rotate the brush in a direction corresponding to the traveling direction. The drive unit is, for example, a motor. The brush may be rotatably supported, and the brush may rotate following the peeling belt 46. In this case, the brush rotates in a direction corresponding to the traveling direction.

  In the peeling device 40, a receiving portion 70 is provided on the inner peripheral surface 48 side of the peeling belt 46. The position of the inner peripheral surface 48 of the peeling belt 46 where the receiving portion 70 is provided is an area opposite to the outer peripheral surface 47 of the peeling belt 46 to which the wiping portion 52 faces. The receiving portion 70 regulates the position of the peeling belt 46 in the thickness direction in the above-described region. As the receiving portion 70, a member called a counter plate and a counter roll are exemplified. In the embodiment, a counter plate is employed as the receiving unit 70. The thickness direction is a direction from the outer peripheral surface 47 of the peeling belt 46 to the inner peripheral surface 48. The receiving portion 70 allows the wiping portion 52 to perform wiping in a state where the wiping portion 52 is in contact with the outer peripheral surface 47 of the peeling belt 46 and the wiping portion 52 is pressed against the outer peripheral surface 47 of the peeling belt 46.

  The liquid removing unit 53 removes the cleaning liquid from the outer peripheral surface 47 of the peeling belt 46 wiped by the wiping unit 52. The liquid removing section 53 includes a blade 54 and a liquid absorbing roll 55. In the embodiment, the liquid removing unit 53 is configured by alternately arranging three blades 54 and three liquid absorbing rolls 55. Both the blade 54 and the liquid absorbing roll 55 are in contact with the outer peripheral surface 47 of the peeling belt 46. The blade 54 wipes off the cleaning liquid attached to the outer peripheral surface 47 of the peeling belt 46. The liquid absorbing roll 55 absorbs the cleaning liquid attached to the outer peripheral surface 47 of the peeling belt 46. By making the outer peripheral surface 47 of the peeling belt 46 smooth, the cleaning liquid attached to the outer peripheral surface 47 of the peeling belt 46 can be removed smoothly.

  In the peeling device 40, receiving portions 71, 72, 73 and 74 are provided on the inner peripheral surface 48 side of the peeling belt 46. The position of the inner peripheral surface 48 of the peeling belt 46 provided with the receiving portions 71, 72, 73, 74 is determined by the outer peripheral surface 47 of the peeling belt 46, where the plurality of blades 54 and the plurality of suction rolls 55 face the liquid removing portion 53. Is the area on the opposite side. The receiving portions 71, 72, 73, 74 regulate the position of the peeling belt 46 in the thickness direction in the above-described region. As the receiving portions 71, 72, 73, 74, similarly to the receiving portion 70, a counter plate and a counter roll are exemplified. In the embodiment, a counter plate is employed as the receiving portion 71. As the receiving portions 72, 73, 74, counter rolls are employed.

  The receiving portions 71, 72, 73, 74 enable the following operations. That is, the blades 54 can be wiped off by the blades 54 in a state where the plurality of blades 54 are in contact with the outer peripheral surface 47 of the peeling belt 46 and the plurality of blades 54 are pressed against the outer peripheral surface 47 of the peeling belt 46, respectively. Become. The plurality of liquid absorbing rolls 55 are brought into contact with the outer peripheral surface 47 of the peeling belt 46, and the plurality of liquid absorbing rolls 55 are pressed against the outer peripheral surface 47 of the peeling belt 46, respectively. Liquid is possible.

  The liquid receiving tank 60 accommodates a portion of the peeling section 41 corresponding to the cleaning section 50. In other words, the peeling section 41 is provided in a state where a portion corresponding to the cleaning section 50 is housed in the liquid receiving tank 60. The bottom surface of the liquid receiving tank 60 is inclined. In the embodiment, the bottom surface of the liquid receiving tank 60 is an inclined surface that is high on the upstream side in the transport direction and low on the downstream side in the transport direction. A drain port 61 is provided at a portion of the bottom surface of the liquid receiving tank 60 where the height in the vertical direction is the lowest. A drain pipe is connected to the drain port 61. The cleaning liquid discharged from the discharge unit 51 or discharged in the liquid discharging unit 53 flows out from the drain port 61 to the drain pipe. Thereafter, the cleaning liquid flows through the drain pipe and is discharged. 1 and 2, the illustration of the drainage pipe is omitted. The liquid receiving tank 60 is placed on a carriage 62. Thereby, the peeling device 40 can be moved to another place.

<Effects of Embodiment>
According to the embodiment, the following effects can be obtained.

  (1) In the recording system 1, the peeling unit 40 is provided with a peeling unit 41 and a cleaning unit 50 (see FIGS. 1 and 2). The peeling unit 41 includes a driving roller 42, a first driven roller 44, a second driven roller 45, and a peeling belt 46. In the peeling section 41, a driving section 43 is connected to the driving roller 42. The drive roller 42 rotates in a direction corresponding to the transport direction by a driving force from the drive unit 43. The first driven roller 44 and the second driven roller 45 are provided at predetermined positions separated from the driving roller 42, respectively. The peeling belt 46 is stretched over the driving roller 42, the first driven roller 44, and the second driven roller 45. The peeling belt 46 is in contact with the back surface 5 of the sheet material 3 at a part of the outer peripheral surface 47, and rotates in the same direction as the driving roller 42 with the rotation of the driving roller 42. The cleaning unit 50 cleans the outer peripheral surface 47 of the peeling belt 46 with a cleaning liquid in a region where the outer peripheral surface 47 of the peeling belt 46 is separated from the back surface 5 of the sheet material 3.

Therefore, the contaminants adhering to the outer peripheral surface 47 of the peeling belt 46 can be cleaned by the cleaning unit 50. As the contaminants, ink reaching the back surface 5 of the sheet material 3 is exemplified. It is also assumed that the adhesive in the adhesive portion 25 adheres as a contaminant. By forming the outer peripheral surface of the peeling portion 41 by the outer peripheral surface 47 of the peeling belt 46, the circumferential length of the outer peripheral surface of the peeling portion 41 can be set to a desired length. Regarding the arrangement of the cleaning unit 50 with respect to the peeling unit 41, the degree of freedom in design can be increased. The range in the circumferential direction of the outer peripheral surface 47 of the peeling belt 46 that can be cleaned can be appropriately set. For example, it is easy to lengthen the range described above. When a predetermined position of the outer peripheral surface 47 of the peeling belt 46 is set as a reference, a time interval until the reference position contacts the back surface 5 of the sheet material 3 again can be appropriately set. For example, it is easy to extend the bus a time interval mentioned above. The time interval that extend bus, it is possible to extend the time available for cleaning. The outer peripheral surface 47 of the peeling belt 46 can be kept clean. An image-formed product having a high-definition image recorded on the surface 4 of the sheet material 3 can be manufactured. It is possible to form an image formed product in which the back surface 5 of the sheet material 3 is kept clean.

  (2) The drive roller 42 contacts a part of the inner peripheral surface 48 of the peeling belt 46 which is on the opposite side to the part of the outer peripheral surface 47 of the peeling belt 46 that contacts the back surface 5 of the sheet material 3 (see FIGS. 2). Therefore, the peeling belt 46 can be rotated at a position where the outer peripheral surface 47 of the peeling belt 46 is in contact with the back surface 5 of the sheet material 3. The driving force of the driving unit 43 can be directly applied to the portion of the peeling belt 46 that is in contact with the back surface 5 of the sheet material 3.

  (3) In the peeling device 40, the discharge unit 51, the wiping unit 52, and the liquid removing unit 53 are provided in the cleaning unit 50 (see FIGS. 1 and 2). The discharge unit 51 discharges the cleaning liquid to the outer peripheral surface 47 of the peeling belt 46. The wiping unit 52 comes into contact with the outer peripheral surface 47 of the peeling belt 46 and wipes the outer peripheral surface 47 of the peeling belt 46. The liquid removing section 53 removes the cleaning liquid from the outer peripheral surface 47 of the peeling belt 46. The liquid removing unit 53 is provided on the traveling side in the direction in which the peeling belt 46 rotates with respect to the discharging unit 51 and the wiping unit 52. The wiping unit 52 is provided between the discharge unit 51 and the liquid removing unit 53 in the direction in which the peeling belt 46 rotates. Therefore, the cleaning liquid can be supplied to the outer peripheral surface 47 of the peeling belt 46 by the discharge unit 51. The outer peripheral surface 47 of the peeling belt 46 wet by the cleaning liquid can be wiped by the wiping unit 52. The cleaning liquid can be removed from the wiped outer peripheral surface 47 of the peeling belt 46 by the liquid removing section 53.

<Modification>
Embodiments can also be as follows. Some of the configurations of the modifications described below may be appropriately combined and adopted. Hereinafter, points different from the above will be described, and description of the same points will be appropriately omitted.

  (1) The recording apparatus 20 in the recording system 1 is an inkjet recording apparatus including the recording unit 30 including the line type inkjet heads 31Y, 31M, 31C, and 31K (see FIG. 1). The recording device may be a different type of recording device. For example, the recording apparatus may be a serial-type inkjet recording apparatus that records an image while reciprocating a recording unit using the inkjet head for each color in the short direction. In addition, the recording device may be a screen printing machine.

  The transport unit 21 is a belt conveyor including a pair of transport rollers 22 and 23 and a transport belt 24. The transport unit 21 may be a transport unit of a type different from a belt conveyor. For example, the transport unit may be a transport drum. When a transport drum is used as the transport unit, the sheet material 3 is placed on the outer peripheral surface of the transport drum. The transport drum is rotated to one side in the circumferential direction by the drive unit. The rotation direction of the transport drum is the same as that of the transport roller 22 described above. Along with this, the sheet material 3 is transported in the transport direction along the longitudinal direction of the sheet material 3. The sheet material 3 transported by the transport drum passes through the recording unit 30 during transport. The recording unit 30 is provided to face the outer peripheral surface of the transport drum. An adhesive portion 25 is provided on the outer peripheral surface of the transport drum. For example, the adhesive portion 25 is formed on the entire outer circumference of the transport drum. The sheet material 3 is conveyed while being attached to the adhesive portion 25. The transport drum is a known transport unit. A recording device including a transport drum is also a known recording device. Therefore, other explanations regarding the transport drum and the recording apparatus including the transport drum will be omitted.

  The peeling device 40 can be employed in a system different from the recording system 1. That is, the peeling device 40 may be provided in combination with the transport unit 21 provided with the adhesive unit 25 and transporting the long sheet material 3 in a state of being attached to the adhesive unit 25 or the transport unit using the transport drum described above. it can.

  (2) In the peeling section 41 of the peeling device 40, a peeling belt 46 is wound around the driving roller 42, the first driven roller 44, and the second driven roller 45 (see FIGS. 1 and 2). In the peeling section 41, the peeling belt 46 contacts the back surface 5 of the sheet material 3 at a part of the outer peripheral surface 47. As shown in FIG. 3, the peeling section 41 of the peeling device 40 may have a configuration in which a peeling roller is provided at the same position as the position where the drive roller 42 is provided. In the description of this modified example based on FIG. 3, in order to clarify the correspondence with the above-described embodiment based on FIG. 1 and FIG. In FIG. 3, the sheet material 3 is illustrated by an imaginary line (a two-dot chain line). In the description of this modified example, the peeling roller constituting the peeling section 41 is referred to as a “peeling roller 90”. In the peeling device 40 shown in FIG. 3, the peeling section 41 includes a peeling roller 90 and a driving section 92. Part of the outer peripheral surface 91 of the peeling roller 90 contacts the back surface 5 of the sheet material 3. The outer peripheral surface 91 of the peeling roller 90 forms the outer peripheral surface of the peeling section 41.

  The peeling roller 90 rotates in a direction corresponding to the transport direction, similarly to the drive roller 42, by a driving force from a driving unit 92 connected to the peeling roller 90. The drive unit 92 is a drive source that rotates the peeling roller 90 in a direction corresponding to the transport direction. The drive unit 92 is, for example, a motor. In the recording system 1, when the sheet material 3 is transported as shown in FIG. 1, the direction corresponding to the transport direction is clockwise rotation as described above. An arc arrow shown inside the peeling roller 90 in FIG. 3 indicates the rotation direction of the peeling roller 90. When the peeling roller 90 rotates in a direction corresponding to the transport direction, a frictional force is generated between the outer peripheral surface 91 of the peeling roller 90 and the back surface 5 of the sheet material 3. Therefore, in the same manner as described above, even in the peeling section 41 by the peeling roller 90 shown in FIG. 3, the image is recorded on the front surface 4 by the recording section 30, and the sheet material 3 conveyed in the transport direction after passing through the recording section 30 Pulled by. Thereby, the sheet material 3 is peeled off from the adhesive portion 25.

  3, the cleaning unit 50 also cleans the outer peripheral surface 91 of the peeling roller 90 in a region where the outer peripheral surface 91 of the peeling roller 90 is separated from the back surface 5 of the sheet material 3. That is, the discharge unit 51, the wiping unit 52, and the liquid removing unit 53 are provided facing the outer peripheral surface 91 of the peeling roller 90 in the region of the outer peripheral surface 91 of the peeling roller 90 which is separated from the back surface 5 of the sheet material 3. Can be The arrangement of the discharge unit 51, the wiping unit 52, and the liquid removing unit 53 based on the direction in which the peeling roller 90 rotates is the same as described above. That is, the liquid removing unit 53 is provided on the advancing side in the direction in which the peeling roller 90 rotates with respect to the discharge unit 51 and the wiping unit 52. The wiping unit 52 is provided between the discharge unit 51 and the liquid removing unit 53 in the direction in which the peeling roller 90 rotates.

  The outer peripheral surface 91 of the peeling roller 90 is wetted by the cleaning liquid by the discharge unit 51 similarly to the outer peripheral surface 47 of the peeling belt 46 described above. The wiping unit 52 comes into contact with the outer peripheral surface 91 of the peeling roller 90 wet with the cleaning liquid, and wipes the outer peripheral surface 91 of the peeling roller 90. When the wiping unit 52 is a brush, the brush may be rotated as described above. The liquid removing unit 53 removes the cleaning liquid from the outer peripheral surface 91 of the peeling roller 90 wiped by the wiping unit 52. The liquid removing unit 53 is configured by alternately arranging blades 54 and liquid absorbing rolls 55, for example, as described above. However, the number of the blades 54 and the number of the liquid absorbing rolls 55 are appropriately set in consideration of various conditions. The liquid removing unit 53 may be formed by one of the blade 54 and the liquid absorbing roll 55. In the case of the peeling device 40 shown in FIG. 3, the receiving portion 70 corresponding to the wiping portion 52 and the receiving portions 71, 72, 73, 74 corresponding to the liquid removing portion 53 may be omitted.

  (3) The cleaning unit 50 includes a discharge unit 51, a wiping unit 52, and a liquid removing unit 53 (see FIGS. 1 to 3). In the cleaning unit 50, for example, the wiping unit 52 may be omitted. In this case, the discharge unit discharges the high-pressure cleaning liquid to the outer peripheral surface 47 of the peeling belt 46 or the outer peripheral surface 91 of the peeling roller 90. The liquid removing section may be constituted by one of a blade and a liquid absorbing roll. The liquid removing unit may be a device that blows compressed air. In this case, the cleaning liquid attached to the outer peripheral surface 47 of the peeling belt 46 or the outer peripheral surface 91 of the peeling roller 90 is blown off by the compressed air.

  (4) In the peeling section 41, the driving roller 42 is provided at a position where the outer peripheral surface 47 of the peeling belt 46 is in contact with the back surface 5 of the sheet material 3 (see FIGS. 1 and 2). The drive roller may be provided at a position different from the position where the outer peripheral surface 47 of the peeling belt 46 is in contact with the back surface 5 of the sheet material 3. For example, in the above description, a driving roller may be provided at a position where the first driven roller 44 is provided. A drive roller may be provided at a position where the second driven roller 45 is provided. In this case, the first driven roller or the second driven roller is provided at the position where the driving roller 42 is provided in the above. The number of driven rollers in the peeling section may be one or three or more.

  (5) In the peeling device 40, a receiving portion 70 using a counter plate is provided as a receiving portion corresponding to the wiping portion 52 using a brush (see FIGS. 1 and 2). In the peeling device 40, receiving portions 71, 72, 73, and 74 are provided as receiving portions corresponding to the liquid removing portion 53 by the plurality of blades 54 and the plurality of liquid absorbing rolls 55 (see FIGS. 1 and 2). The receiving portion 71 is a counter plate. The receiving portions 72, 73, 74 are counter rolls. The number of receiving portions corresponding to the wiping portion 52 may be different from the above. The number of receiving parts corresponding to the liquid removing part 53 may be different from the above. Whether the receiving part in each of the wiping part 52 or the liquid removing part 53 is a counter plate or a counter roll is appropriately determined in consideration of various conditions. The receiving portion may be a member different from the counter plate or the counter roll. The receiving portion may have any configuration as long as it can regulate the position of the peeling belt 46.

  When each of the wiping unit 52 and the liquid removing unit 53 has a plurality of receiving units including both a counter plate and a counter roll, the arrangement order of the counter plate and the counter roll in the direction in which the peeling belt 46 rotates depends on various conditions. Is appropriately determined in consideration of In the peeling device 40, the receiving portions 72, 73, and 74 formed by the counter rolls are provided on the traveling side in the direction in which the peeling belt 46 rotates relative to the receiving portion 71 formed by the counter plate (see FIGS. That is, the arrangement order of the counter plates and the counter rolls based on the rotation direction of the peeling belt 46 is an example.

Reference Signs List 1 recording system, 3 sheet material, 4 front surface, 5 back surface 9 feed roller, 10 supply device, 20 recording device 21 transport unit, 22, 23 transport roller, 24 transport belt 25 adhesive unit, 27 pressing roller, 28 urging unit, Reference Signs List 30 recording unit 31Y, 31M, 31C, 31K inkjet head 32 carriage, 40 peeling device, 41 peeling unit 42 driving roller, 43 driving unit, 44 first driven roller 45 second driven roller, 46 peeling belt, 47 outer peripheral surface 48 Peripheral surface, 49 tension roller, 50 cleaning section 51 discharge section, 52 wiping section, 53 liquid removing section, 54 blade 55 liquid absorbing roll, 60 liquid receiving tank, 61 drain port, 62 cart 70, 71, 72, 73, 74 Receiving part, 80 Recovery device 90 Peeling roller, 91 Outer peripheral surface, 92 Drive part

Claims (7)

In the state where the back surface of the sheet material opposite to the front surface of the long sheet material on which an image is recorded is attached to an adhesive portion provided in a conveyance unit of a recording device, the sheet is conveyed by the conveyance unit. The sheet material conveyed in the conveyance direction along the longitudinal direction of the material, the image is recorded on the surface by a recording agent by the recording unit of the recording device, and is conveyed in the conveyance direction through the recording unit, A peeling unit that pulls the outer peripheral surface in contact with the back surface of the sheet material and peels the sheet material from the adhesive portion,
In a region where the outer peripheral surface of the peeling unit is separated from the back surface of the sheet material, a cleaning unit that cleans the outer peripheral surface of the peeling unit with a cleaning liquid ,
The peeling section,
A driving roller that rotates in a direction corresponding to the transport direction by a driving force from a driving unit,
A driven roller that is disposed apart from the driving roller and is rotatably supported;
An endless annular peeling belt that is bridged between the drive roller and the driven roller, contacts the back surface of the sheet material at a part of the outer peripheral surface, and rotates with the rotation of the drive roller.
The driven roller rotates following the peeling belt that rotates with the rotation of the driving roller,
The peeling device, wherein the cleaning unit cleans an outer peripheral surface of the peeling belt with a cleaning liquid in a region where an outer peripheral surface of the peeling belt as an outer peripheral surface of the peeling unit is separated from a back surface of the sheet material . 2. The peeling device according to claim 1 , wherein the drive roller contacts a part of an inner peripheral surface of the peeling belt which is on a side opposite to a part of an outer peripheral surface of the peeling belt contacting a back surface of the sheet material. 3. The washing unit includes:
A discharge unit that discharges a cleaning liquid to the outer peripheral surface of the peeling belt,
A liquid removing unit that removes a cleaning liquid from the outer peripheral surface of the peeling belt,
The liquid removal unit, the more the discharge portion, the peeling belt is provided in the traveling side of the direction of rotation, peeling device according to claim 1 or claim 2. The cleaning unit includes a wiping unit that contacts an outer peripheral surface of the peeling belt and wipes an outer peripheral surface of the peeling belt.
The peeling device according to claim 3 , wherein the wiping unit is provided between the discharge unit and the liquid removing unit in a direction in which the peeling belt rotates. A recording system comprising a supply device, a recording device, a peeling device according to any one of claims 1 to 4 , and a collection device,
The feeding device is configured to set a long sheet material, and to supply the set sheet material to the recording device,
The recording device,
An adhesive portion is provided, and the sheet material supplied from the supply device is in a state where the back surface of the sheet material opposite to the surface of the sheet material on which an image is recorded is attached to the adhesive portion. A conveying unit that conveys the sheet material in a conveying direction along a longitudinal direction thereof,
A recording unit that records an image with a recording agent on the surface of the sheet material being conveyed by the conveyance unit,
The recording system, wherein the recovery device recovers the sheet material that has been peeled off from the adhesive portion by the peeling device and has passed through the peeling device. The recording system according to claim 5 , wherein the recording unit includes a line-type inkjet head that discharges ink as a recording agent on a surface of the sheet material. With the back surface of the sheet material opposite to the front surface of the long sheet material adhered to the adhesive portion provided in the conveyance unit, the conveyance unit transports the sheet material in the longitudinal direction. Peeling the sheet material conveyed in the direction, pulling the sheet material in a state where the outer peripheral surface is in contact with the back surface of the sheet material, peeling the sheet material from the adhesive portion,
In a region where the outer peripheral surface of the peeling unit is separated from the back surface of the sheet material, a cleaning unit that cleans the outer peripheral surface of the peeling unit with a cleaning liquid,
The peeling section,
A driving roller that rotates in a direction corresponding to the transport direction by a driving force from a driving unit,
A driven roller that is disposed apart from the driving roller and is rotatably supported;
An endless annular peeling belt that is bridged between the drive roller and the driven roller, contacts the back surface of the sheet material at a part of the outer peripheral surface, and rotates with the rotation of the drive roller.
The driven roller rotates following the peeling belt that rotates with the rotation of the driving roller,
The peeling device, wherein the cleaning unit cleans an outer peripheral surface of the peeling belt with a cleaning liquid in a region where an outer peripheral surface of the peeling belt as an outer peripheral surface of the peeling unit is separated from a back surface of the sheet material.

Images