Inkjet recording system and recording method

Abstract

To provide an inkjet recording system and a recording method which can prevent a device from enlarging, suppress the number of components from increasing, and suppress electric power consumed by a heater.SOLUTION: An inkjet recording system is provided with a conveying mechanism, a recording mechanism and an inverting mechanism. The conveying mechanism comprises a temperature adjusting / conveying cylinder that conveys a recording medium to the recording mechanism while adjusting a temperature of the recording medium. The recording mechanism comprises a temperature adjusting / recording cylinder that conveys the recording medium conveyed by the conveying mechanism, while adjusting the temperature of the recording medium, and further the recording mechanism has a processing part that coats one surface of the recording medium with ink to record an image thereon. The inverting mechanism has a processing part that inverts the surface of the recording medium whose one surface is coated with the ink and then delivers the recording medium to the conveying mechanism, and further has a processing part that determines whether the recording medium coated with the ink should be ejected or inverted.SELECTED DRAWING: Figure 1

Claims

1. An inkjet recording system comprising a recording medium supply device, a recording device, and an output device, The recording device comprises a transport mechanism, a recording mechanism, and an inversion mechanism. The aforementioned discharge device includes a discharge mechanism, The transport mechanism includes a temperature-controlled transport cylinder that transports the recording medium to the recording mechanism while adjusting its temperature. The recording mechanism includes a temperature-controlled recording cylinder that transports the recording medium transported from the transport mechanism while adjusting its temperature, and the recording mechanism also includes a process section that applies ink to one side of the recording medium to record an image. The reversing mechanism has a process section that reverses the surface of the recording medium on which the ink is applied to one side, and then transfers it to the transport mechanism, and the discharge mechanism is provided upstream of the reversing mechanism in the transport direction of the recording medium. The process unit for switching the transport path is the process unit that determines whether to transport the ink-coated recording medium to the discharge mechanism or to the reversing mechanism. An inkjet recording system characterized by the following features.

2. The conveying mechanism includes one or more conveying cylinders other than the temperature-controlled conveying cylinder, and the temperature-controlled conveying cylinder is located downstream of the aforementioned conveying cylinder in the conveying direction. The inkjet recording system according to feature 1.

3. The recording medium, which has been inverted by the inversion mechanism, is directly transferred to the temperature-controlled transport cylinder. The inkjet recording system according to claim 1 or 2, characterized by the features described above.

4. In the transport mechanism, position A is defined as the location where the recording medium is directly transferred from a transport cylinder other than the temperature-controlled transport cylinder to the temperature-controlled transport cylinder, or the location where the recording medium is directly transferred from the supply device to the temperature-controlled transport cylinder. When the recording medium is transferred from the reversing mechanism to the transport mechanism, the point at which the recording medium is directly transferred from the body of the reversing mechanism to the temperature-controlled transport body is defined as position B. When the point where the recording medium is directly transferred from the temperature-controlled transport cylinder to the temperature-controlled recording cylinder is defined as position C, Positions B and C are located downstream of position A in the transport direction, and position B is located between position A and position C. The inkjet recording system according to feature 3.

5. The thermal conductivity of the material used in the part of the cylinder of the reversing mechanism that comes into contact with the recording medium is smaller than the thermal conductivity of the material used in the part of the temperature-controlled transport cylinder that comes into contact with the recording medium. The inkjet recording system according to feature 1.

6. The transport mechanism, the recording mechanism, and the reversing mechanism are each provided on a body that has a plurality of openable and closable claw devices that hold the front end of the recording medium in the transport direction when closed, From the time that the recording medium has ink applied to at least one side of the recording medium by the recording mechanism until the ink is applied to the other side, as the recording medium is transported along the following three transport paths, a claw device provided on the upstream side of the transport body opens and a claw device provided on the downstream side of the transport body closes, thereby sequentially transferring the front end of the recording medium in the transport direction from the upstream side of the transport body to the downstream side of the transport body, and transporting it. The inkjet recording system according to feature 1. Transport path (1) The path for transporting the recording medium from the recording mechanism to the inversion mechanism. Transport path (2) The path for transporting the recording medium from the reversing mechanism to the transport mechanism. Transport route (3) The route for transporting the recording medium from the transport mechanism to the recording mechanism.

7. The reversing mechanism includes a cylinder that rotates at the same speed as the linear velocity of the cylinder and the recording medium loading surface of the temperature-controlled recording cylinder of the transport mechanism, and a cylinder that rotates at a different speed. The inkjet recording system according to feature 6.

8. The aforementioned ink is an active-ray curing ink. The recording mechanism includes an ink curing and drying device. The inkjet recording system according to feature 1.

9. The recording mechanism includes the ink curing and drying device facing the recording medium being transported by the temperature-controlled recording cylinder, The curing and drying of the ink by the aforementioned ink curing and drying apparatus is performed at a location upstream in the transport direction from the location of the process section that switches the transport path. The inkjet recording system according to feature 8.

10. The ink comprises a solid component containing a colorant and a solvent component, The recording mechanism includes a drying device for evaporating the solvent component. The inkjet recording system according to feature 1.

11. The recording mechanism includes the drying device facing the recording medium being transported by the temperature-controlled recording cylinder, The evaporation of the solvent component by the drying apparatus is performed at a location upstream in the transport direction from the location of the process section that switches the transport path. The inkjet recording system according to feature 10.

12. The aforementioned ink is a phase-changing ink, and this phase change occurs before and after the ink is recorded on the recording medium. The inkjet recording system according to feature 1.

13. The inkjet recording system according to claim 1, characterized in that the circumference of the temperature-controlled transport cylinder is twice or more the maximum length in the transport direction of the single-wafer recording medium.

14. An inkjet recording method comprising a recording medium supply step, a first transport step, a first recording step, an inversion step, a second transport step, a second recording step, and an ejection step, The supply process involves supplying the recording medium from the supply device to the recording device. The first transport step involves transporting the recording medium supplied in the supply step to a temperature-controlled recording cylinder while heating it with a temperature-controlled transport cylinder. The first recording step involves transporting the recording medium transported in the first transport step while heating it with the temperature-controlled recording cylinder, and applying ink to the first surface of the recording medium to record an image. The inversion step involves inverting the surface of the recording medium on which the ink has been applied to the first surface. The second transport step involves transporting the recording medium, which has been inverted in the inversion step, to the temperature-controlled recording cylinder while heating it with the temperature-controlled transport cylinder. The second recording step involves transporting the recording medium transported in the second transport step while heating it with the temperature-controlled recording cylinder, and applying ink to the second surface of the recording medium to record an image. The discharge step discharges the recording medium on which ink has been applied to the first surface and the second surface. An inkjet recording method characterized by the following.

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