EP3378661B1 - Printing apparatus and transporting method - Google Patents
Printing apparatus and transporting method Download PDFInfo
- Publication number
- EP3378661B1 EP3378661B1 EP18162067.5A EP18162067A EP3378661B1 EP 3378661 B1 EP3378661 B1 EP 3378661B1 EP 18162067 A EP18162067 A EP 18162067A EP 3378661 B1 EP3378661 B1 EP 3378661B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- tension
- printing apparatus
- transport
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007639 printing Methods 0.000 title claims description 154
- 238000000034 method Methods 0.000 title claims description 7
- 230000032258 transport Effects 0.000 claims description 90
- 230000009471 action Effects 0.000 claims description 54
- 238000005259 measurement Methods 0.000 claims description 53
- 238000012937 correction Methods 0.000 claims description 24
- 239000000853 adhesive Substances 0.000 description 90
- 230000001070 adhesive effect Effects 0.000 description 90
- 230000007246 mechanism Effects 0.000 description 21
- 230000008859 change Effects 0.000 description 19
- 238000005406 washing Methods 0.000 description 13
- 230000007723 transport mechanism Effects 0.000 description 12
- 239000004417 polycarbonate Substances 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 241000251131 Sphyrna Species 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- -1 clothes Substances 0.000 description 4
- 239000004753 textile Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241000754983 Paphia textile Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/192—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/007—Conveyor belts or like feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
Definitions
- the present invention relates to a printing apparatus and a transporting method.
- a type of printing apparatus that includes a transport belt for transporting a medium and prints images onto the medium that is transported by the transport belt has been disclosed.
- Such a printing apparatus including the transport belt for transporting a medium typically has a type of transport belt that extends around a plurality of rollers.
- JP-A-2006-267487 discloses an image forming apparatus (printing apparatus) in which an elastic transfer belt (transport belt) extends around two rolls (rollers) and a correction roll is provided.
- the tension of the transport belt may change for reasons such as the transport belt elongating over time.
- the traveling rate of the transport belt may change, and thereby the transporting rate of a medium may deviate from a desired value.
- the tension of the elastic transfer belt can be adjusted by using the correction roll.
- an adjustment operation for adjusting the tension to a desired value requires not only experience and skill, but also a considerable amount of time and effort.
- EP 2,037,329 A2 discloses an image forming apparatus for forming an image on a recording medium includes belt unit.
- the belt unit includes a belt configured to travel rotationally and looped around at least two rotary support members, a driven rotary member disposed facing at least one of the rotary support members via the belt and configured to rotate with the belt, and a controller.
- the controller is configured to minimize fluctuation in one of a travel velocity and a travel distance of the belt by controlling the travel of the belt based on one of a rotational angular displacement and a rotational angular velocity of each of the rotary support member and the driven rotary member.
- An advantage of some aspects of the invention is that a change in traveling rate of the transport belt, which is caused by a change in tension of a transport belt that extends around a plurality of rollers, is suppressed in a simple manner.
- the printing apparatus accepts input of the belt tension and is able to perform the transport action in accordance with the correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of the transport belt in conjunction with a change in tension of the transport belt without performing an adjustment operation for adjusting the tension to a desired value.
- the printing apparatus includes the tension measurement section that measures the belt tension, and the control section accepts input of the measurement result from the tension measurement section and is able to control the transport action accordingly.
- the printing apparatus can measure the belt tension easily without providing a tension measurement section separately.
- the tension measurement section measures the belt tension in accordance with frequencies of sound waves detected by the microphone capable of detecting sound waves generated by causing the transport belt to vibrate.
- the belt tension can be measured with high accuracy.
- control section provide an instruction to perform an alarm action when the belt tension that has been input is beyond a range covered by the correction table.
- the printing apparatus is able to perform an alarm action if the belt tension is beyond the range covered by the correction table. If the traveling rate of the transport belt is changed from a desired traveling rate (i.e., if the traveling rate cannot be recovered to the desired value), the printing action can be prevented.
- the printing apparatus include a tension-adjusting section capable of changing the belt tension.
- the printing apparatus further includes the tension-adjusting section capable of changing the belt tension.
- the printing apparatus can adjust the belt tension into the range of the correction table.
- the printing apparatus can thereby easily suppress a change in traveling rate of the transport belt caused by a change in tension of the transport belt.
- the transport belt has a joint portion at which one end and the other end of the transport belt in a circumferential direction thereof are joined to each other. It is preferable that the control section be able to accept a measurement instruction to measure the belt tension and that upon accepting the measurement instruction, the control section move the joint portion to a position that is not included in one of span regions in which the belt tension is measured, where the span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt.
- the joint portion can be a factor for generating an error in measuring the belt tension.
- the printing apparatus can measure the belt tension when the joint portion is moved to a position that is not included in the span region in which the belt tension is measured. This enables high accuracy-measurement of the belt tension.
- a position at which the belt tension is measured be included in one of span regions that opposes the printing section, where the span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt.
- the belt tension can be measured at a position that is included in the span region that opposes the printing section, which provides easy access to the transport belt and thereby facilitates belt tension measurement. This enables easy measurement of the belt tension.
- the microphone be disposed in the printing section.
- the microphone is disposed in the printing section that is located near the transport belt.
- the belt tension can be measured near the transport belt, which enables high-accuracy measurement of the belt tension.
- the tension measurement section include a hammer that causes the transport belt to vibrate.
- the tension measurement section includes a hammer that causes the transport belt to vibrate, which eliminates the necessity of separately providing an instrument that causes the transport belt to vibrate and thereby enables easy measurement of the belt tension.
- the printing apparatus accepts input of the belt tension and is able to perform the transport action in accordance with the correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of the transport belt in conjunction with a change in tension of the transport belt without performing an adjustment operation for adjusting the tension to a desired value.
- Example 1 (see Fig. 1 to Fig. 5)
- Fig. 1 is a side view schematically illustrating a printing apparatus 1 according to the present example.
- the printing apparatus 1 of the present example includes a supply section 2, a transport mechanism 3, a printing mechanism 4, a washing mechanism 15, and a winding mechanism 28.
- the supply section 2 is capable of supplying a roll R1 of medium P for printing (i.e., medium P on which printing is performed).
- the transport mechanism 3 is a mechanism that transports a medium P in a transport direction A by using an adhesive belt 10 (a transport belt constituted by an endless belt) that has a support surface F.
- the support surface F to which an adhesive is applied, supports the medium P.
- the printing mechanism 4 includes a printing section that prints an image on a medium P.
- the printing section is constituted by components, such as a printing head 7 and a carriage 16 on which the printing head 7 is mounted.
- the printing mechanism 4 is a mechanism that prints an image (i.e., that ejects ink) onto a medium P such that the carriage 16 having the printing head 7 that ejects ink is caused to perform reciprocal scanning (reciprocal movement) in the scanning direction B that intersects the transport direction A of a medium P.
- the washing mechanism 15 is a mechanism for washing the adhesive belt 10.
- the winding mechanism 28 is a mechanism that has a winding shaft 17 for winding up a medium P. Note that "scanning" means that the carriage 16 is caused to move in the scanning direction B. For example, during printing, the carriage 16 is caused to move in the scanning direction B while the printing head 7 ejects ink.
- Textile materials to be printed on can serve as a medium P.
- Textile materials to be printed on include pieces of cloth, clothes, and other products to be used for textile printing.
- Cloth includes woven fabric, knitted fabric, or nonwoven fabric that are made of natural fibers, such as cotton, linen, silk, and wool, or synthetic fibers, such as nylon, or composite fibers in which the above materials are combined in various ways.
- clothes and other products include sewn products, such as T-shirts, handkerchiefs, scarfs, towels, cloth bags, curtains, sheets, or bedcovers, as well as materials such as pieces of cloth in the state of parts before sewing.
- paper for ink jet printers such as standard paper, high-quality paper, and glossy paper
- materials that can also be used as a medium P include, for example, plastic films that are not surface treated for use in inkjet printing (i.e., no ink-absorbing layer is formed), and substrates, of which paper is an example, that are coated with plastic or that have a plastic film adhering thereto.
- plastic includes, but is not limited to, polyvinyl chloride, polyethylene terephthalate, polycarbonate, polystyrene, polyurethane, polyethylene, or polypropylene.
- the supply section 2 includes a rotation shaft 5 that serves as a setting position at which a roll R1 of medium P is installed for printing.
- the supply section 2 is formed so as to be able to supply a medium P from the roll R1 set on the rotation shaft 5 toward the transport mechanism 3 via idler rollers 6 and 30. Note that the rotation shaft 5 rotates in a rotational direction C when the medium P is supplied to the transport mechanism 3.
- the transport mechanism 3 includes the adhesive belt 10, a drive roller 8, and an idler roller 9.
- the adhesive belt 10 transports the medium P that is supplied from the supply section 2 and placed on the adhesive belt 10, and the drive roller 8 moves the adhesive belt 10 in a direction E.
- the adhesive belt 10 extends around the drive roller 8 and the idler roller 9.
- the drive roller 8 and the idler roller 9 are aligned horizontally, and thus the span direction G of the adhesive belt 10 corresponds to the horizontal direction (see Fig. 3 ).
- the medium P is placed on the adhesive belt 10 such that a pressing roller 12 presses the medium P against the support surface F of the adhesive belt 10 and causes the medium P to adhere thereto. Note that the drive roller 8 rotates in the rotational direction C when transporting the medium P.
- the endless belt serving as the transport belt is not limited to the adhesive belt.
- an endless belt capable of electrostatic adsorption may be used.
- a support portion 19 capable of supporting the adhesive belt 10 is provided in a region that is under the adhesive belt 10 of the present example. The support portion 19 opposes the pressing roller 12 with the adhesive belt 10 sandwiched therebetween. When the adhesive belt 10 travels, the adhesive belt 10 may vibrate. The vibration can be reduced by the support portion 19 that supports the adhesive belt 10. If the pressing roller remains in contact with the medium P at the same location for a certain amount of time, a contact mark may be left on the medium P by the pressing roller. To prevent a contact mark from being formed on the medium P, the pressing roller 12 of the present example is formed so as to be able to move reciprocally (to move back and forth) in the transport direction A. The pressing roller 12, however, is not limited to this construction.
- the printing mechanism 4 includes a carriage operating section 29 (see Fig. 2 ) that can cause the carriage 16 with the printing head 7 thereon to move reciprocally in the scanning direction B.
- the scanning direction B is the direction perpendicular to the image of Fig. 1 .
- the carriage 16 with the printing head 7 thereon is caused to perform reciprocal scanning.
- the transport mechanism 3 stops transporting the medium P. In other words, during printing, reciprocal scanning of the carriage 16 and transport of the medium P are performed alternately.
- the transport mechanism 3 transports the medium P (i.e., moves the adhesive belt 10) intermittently in synchronization with reciprocal scanning of the carriage 16.
- a microphone 18 is attached to the carriage 16, which will be described below.
- the washing mechanism 15 for the adhesive belt 10 includes a washing brush 13 constituted by a plurality of washing rollers that are connected to each other in the direction of the rotation shaft.
- the washing mechanism 15 also includes a tray 14 that contains detergent for washing the washing brush 13.
- the winding mechanism 28 is a mechanism that winds up the medium P that is transported, after printing, from the transport mechanism 3 via an idler roller 11.
- the medium P can be wound around a paper tube or the like that is set on the winding shaft 17, thereby forming a roll R2 of medium P.
- Fig. 1 illustrates a state in which the printing apparatus 1 uses a roll R1 in which the outside surface of the medium P is the surface for printing, and the medium P is wound up such that the printed surface becomes the outside surface of the roll R2.
- both of the rotation shaft 5 and the winding shaft 17 rotate in the rotational direction C.
- the printing apparatus 1 of the present example can use a roll R1 in which the inside surface of the medium P is the surface for printing, and the medium P can be wound up such that the printed surface faces inward. Accordingly, either or both of the rotation shaft 5 and the winding shaft 17 can rotate in a direction opposite to the rotational direction C.
- FIG. 2 is a block diagram illustrating a printing apparatus 1 of the present example.
- a control section 31 is a control unit for controlling the printing apparatus 1.
- the control section 31 includes an I/F (interface) 32, a CPU 33, a storage unit 45, and so forth.
- the I/F 32 is provided for transmission and reception of data, such as print data, to and from a PC 46 serving as an external device.
- the CPU 33 is a processing unit for controlling the entire printing apparatus 1 in response to input signals from detection devices 47 including a microphone 18.
- the storage unit 45 includes a ROM that stores various control programs to be executed by the CPU 33.
- the storage unit 45 also includes a RAM, an EEPROM, and the like, which provide areas for temporarily storing a program to be executed by the CPU 33, work areas for the program, and so forth.
- CPU 33 controls, via a control circuit 44, actuation of the drive roller 8, the carriage operating section 29, the printing head 7, and other devices (not shown).
- the drive roller 8 moves the adhesive belt 10 in the transport direction A.
- the carriage operating section 29 moves the carriage 16 with the printing head 7 thereon in the scanning direction B, and the printing head 7 ejects ink onto a medium P.
- the control section 31 of the present example can control a printing action (including a transport action for transporting a medium P and an ejection action for ejecting ink from the printing head 7) for forming images on a medium P.
- transport action for transporting a medium P is an action in which a medium P is transported in the transport direction A.
- the adhesive belt 10 extends around a plurality of rollers (drive roller 8 and idler roller 9), which thereby imparts tension to the adhesive belt 10. This tension is referred to as "belt tension”.
- the microphone 18 serves as a tension measurement section that can measure the belt tension.
- the microphone 18 can detect sound waves that are generated by causing the adhesive belt 10 to vibrate by using a hammer 27 (see Fig. 5 ) or the like, which will be described below, and can be used to measure the belt tension on the basis of frequencies of detected sound waves.
- the storage unit 45 stores a correction table in which the belt tension and the traveling rate of the adhesive belt 10 corresponding to the belt tension correlate with each other.
- the printing apparatus 1 of the present example includes the adhesive belt 10 that is formed as a loop and capable of supporting a medium P, the drive roller 8 that rotates the adhesive belt 10 and thereby transports the medium P in the transport direction, the printing head 7 that prints images onto the medium P, and the control section 31 that controls the transport action for transporting the medium P.
- the adhesive belt 10 extends around a plurality of rollers (including the drive roller 8 and the idler roller 9).
- the control section 31 accepts input of belt tension, which results from the adhesive belt 10 extending around a plurality of the rollers.
- the control section 31 controls the transport action in accordance with a correction table in which the belt tension and traveling rate of the adhesive belt 10 corresponding to the belt tension correlate with each other.
- the printing apparatus 1 of the present example is formed so as to be able to accept input of the belt tension and perform the transport action in accordance with the correction table in which the belt tension and traveling rate of the adhesive belt 10 corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of the adhesive belt 10 in conjunction with a change in tension of the adhesive belt 10 without performing an adjustment operation for adjusting the tension to a desired value.
- the printing apparatus 1 of the present example includes the adhesive belt 10 that is formed as a loop and capable of supporting the medium P, the drive roller 8 that rotates the adhesive belt 10 and thereby transports the medium P in a transport direction, and the printing head 7 that prints images onto the medium P, the adhesive belt 10 extending around a plurality of rollers including the drive roller 8.
- a transporting method of transporting a medium P can be executed by way of accepting input of the belt tension and in accordance with the correction table in which the belt tension and the traveling rate of the adhesive belt 10 corresponding to the belt tension correlate with each other.
- the printing apparatus 1 of the present example includes the microphone 18 serving as the tension measurement section that is used to measure the belt tension, and the control section 31 can accept measurement results of the microphone 18 and control the transport action in accordance with the measurement results.
- the printing apparatus 1 of the present example can measure the belt tension easily without having a tension measurement section separately.
- the printing apparatus 1 of the present example includes the microphone 18, as the tension measurement section, that can be used to detect sound waves generated by causing the adhesive belt 10 to vibrate. Accordingly, the printing apparatus 1 can measure the belt tension on the basis of frequencies of sound waves that have been detected by the microphone 18. With this configuration, the belt tension can be measured with high accuracy.
- the microphone 18 is disposed in the carriage 16 in which the printing head 7 is disposed.
- the carriage 16, which constitutes the printing section, is disposed at a position close to the adhesive belt 10.
- the microphone 18, which is thereby provided at a position close to the adhesive belt 10, can be used to measure the belt tension near the adhesive belt 10, which enables high-accuracy measurement of the belt tension.
- Regions between a plurality of rollers (i.e., between the drive roller 8 and the idler roller 9) in each of which the adhesive belt 10 is present are referred to as "span regions". More specifically, the span regions include two regions, in other words, an upper span region (that opposes the printing head 7) and a lower span region (that does not oppose the printing head 7) between the drive roller 8 and the idler roller 9.
- the adhesive belt 10 of the present example is formed to be able to move in the direction E in response to rotation of the drive roller 8 in the rotational direction C.
- the adhesive belt 10 has a joint portion 26 at which one end of the adhesive belt 10 and the other end of the adhesive belt 10 in the circumferential direction thereof are joined to each other (see Fig. 1 ).
- the position 42 at which the belt tension is measured is a position included in one of the span regions that opposes the printing head 7 (i.e., the upper span region).
- the belt tension can be measured in the span region that opposes the printing head 7, which provides easy access to the adhesive belt 10 and thereby facilitates belt tension measurement.
- the printing apparatus 1 of the present example can measure the belt tension with high accuracy.
- the control section 31 is ready to accept a measurement instruction to measure the belt tension. Upon receiving the measurement instruction, the control section 31 moves the joint portion 26 to the span region that is not opposing the printing head 7 (i.e., the lower span region).
- the joint portion 26 can be a factor for generating an error in measuring the belt tension.
- the printing apparatus 1 of the present example is formed so as to be able to measure the belt tension after the joint portion 26 is moved to a position that is not included in the span region in which the belt tension is measured. This enables the printing apparatus 1 of the present example to measure the belt tension with high accuracy.
- the belt tension may be measured at a position that is not included in the span region that opposes the printing head 7.
- the position to which the joint portion 26 is moved may be any position, preferably provided that it is not included in the span region in which the belt tension is measured.
- the control section 31 of the present example can issue an instruction to perform an alarm action that causes, for example, an alarm to sound from a speaker (not shown) or an alert to be displayed on a monitor screen (not shown) of the printing apparatus 1 or the PC 46.
- the printing apparatus 1 of the present example can perform an alarm action if the belt tension is beyond the range covered by the correction table, so that the printing action can be suppressed in the case that the traveling rate of the adhesive belt 10 is changed from a desired traveling rate (i.e., if the traveling rate cannot be recovered to a desired value).
- the printing apparatus 1 of the present example includes a tension-adjusting section 21 (see Fig. 3 and Fig. 4 ) that can adjust the belt tension in the case that, for example, the belt tension is beyond the range of the correction table. Accordingly, even if the belt tension is beyond the range of the correction table, the printing apparatus 1 of the present example can adjust the belt tension to fall within the range of the correction table. Thus, the printing apparatus 1 can easily suppress a change in traveling rate of the adhesive belt 10 caused by a change in tension of the adhesive belt 10.
- Fig. 3 is a side view illustrating the transport mechanism 3 including the tension-adjusting section 21, which is a principal part of the printing apparatus 1 of the present example.
- Fig. 4 is a side view illustrating the region X in Fig. 3 .
- the transport mechanism 3 of the present example includes the tension-adjusting section 21 on the side thereof near the idler roller 9 in the span direction G.
- the tension-adjusting section 21 can adjust the position of the idler roller 9 in the span direction G.
- the tension-adjusting section 21 includes a base portion 22, an urging portion 24, a motor mechanism 23, and a guide portion 25.
- the base portion 22 supports the idler roller 9, and the urging portion 24 urges the base portion 22 in a direction G1, which is one direction of the span direction G.
- the motor mechanism 23 can change the position of the urging portion 24 in the span direction G.
- the guide portion 25 guides the movement of the base portion 22 in the span direction G in conjunction with the movement of the urging portion 24 in the span direction G.
- the tension that is imparted due to the adhesive belt 10 extending around the idler roller 9 applies a force to the base portion 22 in a direction G2 (i.e., toward the urging portion 24), which is the other direction of the span direction G.
- the belt tension can be adjusted by actuating a motor of the motor mechanism 23 and thereby adjusting the position of the urging portion 24 (i.e., base portion 22) in the span direction G.
- a transport belt that extends around a plurality of rollers, such as the adhesive belt 10 of the present example, may elongate due to aging, leading to a change in tension.
- the tension (belt tension) of the transport belt changes, the traveling rate of the transport belt may change (in general, the smaller the belt tension becomes due to elongation of the transport belt, the smaller the traveling rate of the transport belt tends to be). Consequently, the transporting rate of the medium P may deviate from a desired value.
- the printing apparatus 1 of the present example is thus formed so that even if the adhesive belt 10 elongates due to aging, the printing apparatus 1 is able to perform the transport action (or more specifically, to adjust the rotation rate of the drive roller 8) in accordance with the correction table stored in the storage unit 45.
- the adhesive belt 10 may elongate more than a predetermined range and deviate from the range of the correction table.
- the position of the idler roller 9 i.e., base portion 22
- the microphone 18, which is the tension measurement section of the present example, is capable of detecting sound waves that are generated by causing the adhesive belt 10 to vibrate.
- any method can be used provided that the adhesive belt 10 is caused to vibrate.
- the hammer 27 is constituted by a hammerhead 34, which is brought into contact with the adhesive belt 10, and a grip 35. A user can vibrate the adhesive belt 10 by using the hammer 27 shaped as illustrated in Fig. 5 .
- a user when measuring the belt tension of the adhesive belt 10, a user first inputs, from the PC 46, an instruction to execute a measurement mode for measuring the belt tension. Next, under the control of the control section 31, the position of the adhesive belt 10 is adjusted (i.e., the joint portion 26 is moved to the lower side) and a message is displayed on the monitor of the PC 46 to prompt the user to vibrate the adhesive belt 10 or the like. The user subsequently vibrates the adhesive belt 10 by using the hammer 27 and enters, via the PC 46, information that the adhesive belt 10 has been vibrated. Next, under the control of the control section 31, the carriage 16 is caused to move in the scanning direction B and the microphone 18 is caused to detect sound waves.
- the printing apparatus 1 does not perform any impeding actions that impede measurement of the belt tension. More specifically, such impeding actions include a transport action of the transport mechanism 3 (i.e., the drive roller 8 moving the adhesive belt 10), a washing action of the washing mechanism 15 that washes the adhesive belt 10, an action of a fan disposed in the printing apparatus 1 (for example, a suction action of a suction fan or an exhaust action of an exhaust fan), and the like. During such actions, the belt tension may not be measured accurately.
- the printing apparatus 1 is formed so as to stop such impeding actions in the case that the impeding actions are being performed when the instruction to execute the measurement mode for measuring the belt tension is entered.
- the belt tension is measured while the impeding actions are not performed.
- the printing apparatus 1 may be formed such that when the belt tension is measured, not all the impeding actions but some of the impeding actions are stopped.
- the printing apparatus 1 of the present example includes the microphone 18 serving as the tension measurement section and does not include the hammer 27 (this is not an element of the printing apparatus 1).
- the printing apparatus 1 is not limited to this configuration.
- the entire tension measurement section may be formed as a separate element that is not included in the printing apparatus 1, and the printing apparatus 1 may be formed such that the control section 31 is capable of accepting the belt tension via the PC 46 or the like.
- the printing apparatus 1 may include the microphone 18 and the hammer 27, both of which serve as the tension measurement section.
- Example 2 see Fig. 6 to Fig. 11 )
- Fig. 6 is a side view schematically illustrating a printing apparatus 1 according to the present example.
- Fig. 6 corresponds to Fig. 1 that illustrates the printing apparatus 1 according to Example 1.
- Figs. 7 to 11 are side views schematically illustrating a hammer 20 that serves as the tension measurement section included by the printing apparatus 1 of the present example. Note that components similar to those in Example 1 are denoted by the same numerals, and duplicated description will be omitted.
- the printing apparatus 1 of the present example includes the hammer 20, in addition to the microphone 18, as the tension measurement section. Except this, the printing apparatus 1 of the present example is formed so as to be the same as the printing apparatus 1 according to Example 1.
- the printing apparatus 1 of the present example includes, as the tension measurement section, the hammer 20 that causes the adhesive belt 10 to vibrate.
- the printing apparatus 1 of the present example can measure the belt tension easily without separately providing an instrument for causing the adhesive belt 10 to vibrate.
- the hammer 20 of the present example is constituted by a pressing member 36 and a rotating member 37.
- the pressing member 36 has a hammerhead portion 41 that hits the support surface F of the adhesive belt 10 and a hook portion 38.
- the rotating member 37 is formed so as to be able to rotate in the rotational direction C relative to a rotation shaft 39.
- the rotating member 37 has three abutting portions 40.
- the pressing member 36 is urged in a direction D1 (in a direction toward the adhesive belt 10) by an urging member (not shown).
- an abutting portion 40 abuts the hook portion 38 and causes the pressing member 36 to move in a direction D2 (in a direction away from the adhesive belt 10). Further rotation of the rotating member 37 in the rotational direction C unhooks the hook portion 38 from the abutting portion 40, causing the pressing member 36 to move in the direction D1 and the hammerhead portion 41 to hit the support surface F of the adhesive belt 10.
- Fig. 8 illustrates a state in which the hook portion 38 is unhooked from an abutting portion 40.
- the hammerhead portion 41 is positioned at a contact position S1 at which the hammerhead portion 41 is in contact with the support surface F of the adhesive belt 10.
- Fig. 9 illustrates a state at the moment when an abutting portion 40 touches the hook portion 38. While the rotating member 37 rotates in the rotational direction C from the state in Fig. 9 , the pressing member 36 moves in the direction D2.
- Fig. 10 illustrates a state in which the pressing member 36 has moved to a space-keeping position S2 by rotating the rotating member 37 in the rotational direction C from the state in Fig. 9 .
- the space-keeping position S2 illustrated in Fig. 10 is the home position of the pressing member 36 (home position when the vibration action of the adhesive belt 10 is not performed, such as when the printing action is performed).
- Fig. 11 illustrates a state in which the vibration action of (process for vibrating) the adhesive belt 10 has been started and the pressing member 36 has moved to a striking-start position S3 by rotating the rotating member 37 in the rotational direction C from the state in Fig. 10 .
- the rotating member 37 rotates in the rotational direction C from the state in Fig. 11 , and the hook portion 38 is unhooked from an abutting portion 40, causing the pressing member 36 to move in the direction D1 and the hammerhead portion 41 to hit the support surface F of the adhesive belt 10 (returning to the state in Fig. 8 ).
- the hammer 20 of the present example is thus formed (three abutting portions 40 are disposed on the rotating member 37 with an equal spacing therebetween). Accordingly, a vibration action of the adhesive belt 10 can be executed by rotating the rotating member 37 each one-third of a rotation. The position of the rotating member 37 in the rotational direction C can be detected by a sensor (not shown).
- a user first inputs, from the PC 46, an instruction to execute the measurement mode for measuring the belt tension.
- the printing apparatus 1 adjusts the position of the adhesive belt 10 (i.e., moves the joint portion 26 to the lower side).
- the printing apparatus 1 subsequently rotates the rotating member 37 in the rotational direction C and thereby moves the pressing member 36 consecutively from the state in Fig. 10 to the state in Fig. 11 , the state in Fig. 8 , the state in Fig. 9 , and then back to the state in Fig. 10 .
- the hammerhead portion 41 thus hits the support surface F of the adhesive belt 10 and causes the adhesive belt 10 to vibrate.
- the printing apparatus 1 subsequently moves the carriage 16 in the scanning direction B and causes the microphone 18 to detect sound waves. It is preferable to vibrate the adhesive belt 10 multiple times (for example, an average result of multiple trials is adopted). It is also preferable to detect sound waves at multiple positions in the scanning direction B.
- the printing apparatus 1 does not perform any impeding actions that impede measurement of the belt tension.
- such impeding actions include a transport action of the transport mechanism 3 (i.e., the drive roller 8 moving the adhesive belt 10), a washing action of the washing mechanism 15 that washes the adhesive belt 10, an action of a fan disposed in the printing apparatus 1 (for example, a suction action of a suction fan or an exhaust action of an exhaust fan), and the like.
- the belt tension may not be measured accurately.
- the printing apparatus 1 is formed so as to stop such impeding actions in the case that the impeding actions are being performed when the instruction to execute the measurement mode for measuring the belt tension is entered.
- the belt tension is measured while the impeding actions are not performed.
- the printing apparatus 1 may be formed such that when the belt tension is measured, not all the impeding actions but some of the impeding actions are stopped.
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Ink Jet (AREA)
- Handling Of Continuous Sheets Of Paper (AREA)
- Controlling Sheets Or Webs (AREA)
- Advancing Webs (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Description
- The present invention relates to a printing apparatus and a transporting method.
- Various types of printing apparatuses have been used. Among such printing apparatuses, a type of printing apparatus that includes a transport belt for transporting a medium and prints images onto the medium that is transported by the transport belt has been disclosed. Such a printing apparatus including the transport belt for transporting a medium typically has a type of transport belt that extends around a plurality of rollers. For example,
JP-A-2006-267487 - In the printing apparatus including the transport belt that extends around a plurality of rollers, however, the tension of the transport belt may change for reasons such as the transport belt elongating over time. When the tension of the transport belt changes, the traveling rate of the transport belt may change, and thereby the transporting rate of a medium may deviate from a desired value. According to the configuration proposed in
JP-A-2006-267487 -
EP 2,037,329 A2 discloses an image forming apparatus for forming an image on a recording medium includes belt unit. The belt unit includes a belt configured to travel rotationally and looped around at least two rotary support members, a driven rotary member disposed facing at least one of the rotary support members via the belt and configured to rotate with the belt, and a controller. The controller is configured to minimize fluctuation in one of a travel velocity and a travel distance of the belt by controlling the travel of the belt based on one of a rotational angular displacement and a rotational angular velocity of each of the rotary support member and the driven rotary member. - An advantage of some aspects of the invention is that a change in traveling rate of the transport belt, which is caused by a change in tension of a transport belt that extends around a plurality of rollers, is suppressed in a simple manner.
- According to a first aspect of the invention there is provided a printing apparatus according to
claim 1. - According to this configuration, the printing apparatus accepts input of the belt tension and is able to perform the transport action in accordance with the correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of the transport belt in conjunction with a change in tension of the transport belt without performing an adjustment operation for adjusting the tension to a desired value.
- According to this configuration, the printing apparatus includes the tension measurement section that measures the belt tension, and the control section accepts input of the measurement result from the tension measurement section and is able to control the transport action accordingly. Thus, the printing apparatus can measure the belt tension easily without providing a tension measurement section separately.
- With this configuration, the tension measurement section measures the belt tension in accordance with frequencies of sound waves detected by the microphone capable of detecting sound waves generated by causing the transport belt to vibrate. With this configuration, the belt tension can be measured with high accuracy.
- It is preferable that in the printing apparatus, the control section provide an instruction to perform an alarm action when the belt tension that has been input is beyond a range covered by the correction table.
- According to this configuration, the printing apparatus is able to perform an alarm action if the belt tension is beyond the range covered by the correction table. If the traveling rate of the transport belt is changed from a desired traveling rate (i.e., if the traveling rate cannot be recovered to the desired value), the printing action can be prevented.
- It is preferable that the printing apparatus include a tension-adjusting section capable of changing the belt tension.
- According to this configuration, the printing apparatus further includes the tension-adjusting section capable of changing the belt tension. Thus, even if the belt tension is beyond the range of the correction table, the printing apparatus can adjust the belt tension into the range of the correction table. The printing apparatus can thereby easily suppress a change in traveling rate of the transport belt caused by a change in tension of the transport belt.
- In the printing apparatus, the transport belt has a joint portion at which one end and the other end of the transport belt in a circumferential direction thereof are joined to each other. It is preferable that the control section be able to accept a measurement instruction to measure the belt tension and that upon accepting the measurement instruction, the control section move the joint portion to a position that is not included in one of span regions in which the belt tension is measured, where the span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt.
- The joint portion can be a factor for generating an error in measuring the belt tension. With this configuration, the printing apparatus can measure the belt tension when the joint portion is moved to a position that is not included in the span region in which the belt tension is measured. This enables high accuracy-measurement of the belt tension.
- It is preferable that in the printing apparatus, a position at which the belt tension is measured be included in one of span regions that opposes the printing section, where the span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt.
- With this configuration, the belt tension can be measured at a position that is included in the span region that opposes the printing section, which provides easy access to the transport belt and thereby facilitates belt tension measurement. This enables easy measurement of the belt tension.
- It is preferable that in the printing apparatus, the microphone be disposed in the printing section.
- According to this configuration, the microphone is disposed in the printing section that is located near the transport belt. Thus, the belt tension can be measured near the transport belt, which enables high-accuracy measurement of the belt tension.
- It is preferable that in the printing apparatus, the tension measurement section include a hammer that causes the transport belt to vibrate.
- According to this configuration, the tension measurement section includes a hammer that causes the transport belt to vibrate, which eliminates the necessity of separately providing an instrument that causes the transport belt to vibrate and thereby enables easy measurement of the belt tension.
- According to a second aspect of the invention there is provided a transporting method according to
claim 8. - According to this configuration, the printing apparatus accepts input of the belt tension and is able to perform the transport action in accordance with the correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of the transport belt in conjunction with a change in tension of the transport belt without performing an adjustment operation for adjusting the tension to a desired value.
- Embodiments of the invention will now be described by way of example only with reference to the accompanying drawings, wherein like numbers reference like elements.
-
Fig. 1 is a side view schematically illustrating a printing apparatus according to Example 1 of the invention. -
Fig. 2 is a block diagram illustrating a printing apparatus according to Example 1 of the invention. -
Fig. 3 is a side view illustrating a principal part of the printing apparatus according to Example 1 of the invention. -
Fig. 4 is a side view illustrating a principal part of the printing apparatus according to Example 1 of the invention. -
Fig. 5 is a perspective view schematically illustrating a hammer that can be used in the printing apparatus according to Example 1 of the invention. -
Fig. 6 is a side view schematically illustrating a printing apparatus according to Example 2 of the invention. -
Fig. 7 is a side view schematically illustrating a principal part of the printing apparatus according to Example 2 of the invention. -
Fig. 8 is a side view schematically illustrating a principal part of the printing apparatus according to Example 2 of the invention. -
Fig. 9 is a side view schematically illustrating a principal part of the printing apparatus according to Example 2 of the invention. -
Fig. 10 is a side view schematically illustrating a principal part of the printing apparatus according to Example 2 of the invention. -
Fig. 11 is a side view schematically illustrating a principal part of the printing apparatus according to Example 2 of the invention. - An example of a printing apparatus according to the invention will be described in detail with reference to the accompanying drawings.
- First, the printing apparatus according to Example 1 of the invention will be outlined.
Fig. 1 is a side view schematically illustrating aprinting apparatus 1 according to the present example. - The
printing apparatus 1 of the present example includes asupply section 2, atransport mechanism 3, aprinting mechanism 4, awashing mechanism 15, and a windingmechanism 28. Thesupply section 2 is capable of supplying a roll R1 of medium P for printing (i.e., medium P on which printing is performed). Thetransport mechanism 3 is a mechanism that transports a medium P in a transport direction A by using an adhesive belt 10 (a transport belt constituted by an endless belt) that has a support surface F. The support surface F, to which an adhesive is applied, supports the medium P. Theprinting mechanism 4 includes a printing section that prints an image on a medium P. The printing section is constituted by components, such as aprinting head 7 and acarriage 16 on which theprinting head 7 is mounted. Theprinting mechanism 4 is a mechanism that prints an image (i.e., that ejects ink) onto a medium P such that thecarriage 16 having theprinting head 7 that ejects ink is caused to perform reciprocal scanning (reciprocal movement) in the scanning direction B that intersects the transport direction A of a medium P. Thewashing mechanism 15 is a mechanism for washing theadhesive belt 10. The windingmechanism 28 is a mechanism that has a windingshaft 17 for winding up a medium P. Note that "scanning" means that thecarriage 16 is caused to move in the scanning direction B. For example, during printing, thecarriage 16 is caused to move in the scanning direction B while theprinting head 7 ejects ink. - Note that a textile material to be printed on can serve as a medium P. Textile materials to be printed on include pieces of cloth, clothes, and other products to be used for textile printing. Cloth includes woven fabric, knitted fabric, or nonwoven fabric that are made of natural fibers, such as cotton, linen, silk, and wool, or synthetic fibers, such as nylon, or composite fibers in which the above materials are combined in various ways. Moreover, clothes and other products include sewn products, such as T-shirts, handkerchiefs, scarfs, towels, cloth bags, curtains, sheets, or bedcovers, as well as materials such as pieces of cloth in the state of parts before sewing.
- In addition to the textile materials to be printed on, paper for ink jet printers, such as standard paper, high-quality paper, and glossy paper, can be used as medium P. Moreover, materials that can also be used as a medium P include, for example, plastic films that are not surface treated for use in inkjet printing (i.e., no ink-absorbing layer is formed), and substrates, of which paper is an example, that are coated with plastic or that have a plastic film adhering thereto. For example, such plastic includes, but is not limited to, polyvinyl chloride, polyethylene terephthalate, polycarbonate, polystyrene, polyurethane, polyethylene, or polypropylene.
- The
supply section 2 includes arotation shaft 5 that serves as a setting position at which a roll R1 of medium P is installed for printing. Thesupply section 2 is formed so as to be able to supply a medium P from the roll R1 set on therotation shaft 5 toward thetransport mechanism 3 viaidler rollers rotation shaft 5 rotates in a rotational direction C when the medium P is supplied to thetransport mechanism 3. - The
transport mechanism 3 includes theadhesive belt 10, adrive roller 8, and an idler roller 9. Theadhesive belt 10 transports the medium P that is supplied from thesupply section 2 and placed on theadhesive belt 10, and thedrive roller 8 moves theadhesive belt 10 in a direction E. Theadhesive belt 10 extends around thedrive roller 8 and the idler roller 9. In theprinting apparatus 1 of the present example, thedrive roller 8 and the idler roller 9 are aligned horizontally, and thus the span direction G of theadhesive belt 10 corresponds to the horizontal direction (seeFig. 3 ). The medium P is placed on theadhesive belt 10 such that apressing roller 12 presses the medium P against the support surface F of theadhesive belt 10 and causes the medium P to adhere thereto. Note that thedrive roller 8 rotates in the rotational direction C when transporting the medium P. However, the endless belt serving as the transport belt is not limited to the adhesive belt. For example, an endless belt capable of electrostatic adsorption may be used. Asupport portion 19 capable of supporting theadhesive belt 10 is provided in a region that is under theadhesive belt 10 of the present example. Thesupport portion 19 opposes thepressing roller 12 with theadhesive belt 10 sandwiched therebetween. When theadhesive belt 10 travels, theadhesive belt 10 may vibrate. The vibration can be reduced by thesupport portion 19 that supports theadhesive belt 10. If the pressing roller remains in contact with the medium P at the same location for a certain amount of time, a contact mark may be left on the medium P by the pressing roller. To prevent a contact mark from being formed on the medium P, the pressingroller 12 of the present example is formed so as to be able to move reciprocally (to move back and forth) in the transport direction A. Thepressing roller 12, however, is not limited to this construction. - The
printing mechanism 4 includes a carriage operating section 29 (seeFig. 2 ) that can cause thecarriage 16 with theprinting head 7 thereon to move reciprocally in the scanning direction B. Note that the scanning direction B is the direction perpendicular to the image ofFig. 1 . During printing, thecarriage 16 with theprinting head 7 thereon is caused to perform reciprocal scanning. During reciprocal scanning (during the movement of the carriage 16) for printing, thetransport mechanism 3 stops transporting the medium P. In other words, during printing, reciprocal scanning of thecarriage 16 and transport of the medium P are performed alternately. During printing, thetransport mechanism 3 transports the medium P (i.e., moves the adhesive belt 10) intermittently in synchronization with reciprocal scanning of thecarriage 16. Note that amicrophone 18 is attached to thecarriage 16, which will be described below. - The
washing mechanism 15 for theadhesive belt 10 includes awashing brush 13 constituted by a plurality of washing rollers that are connected to each other in the direction of the rotation shaft. Thewashing mechanism 15 also includes atray 14 that contains detergent for washing thewashing brush 13. - The winding
mechanism 28 is a mechanism that winds up the medium P that is transported, after printing, from thetransport mechanism 3 via anidler roller 11. The medium P can be wound around a paper tube or the like that is set on the windingshaft 17, thereby forming a roll R2 of medium P.Fig. 1 illustrates a state in which theprinting apparatus 1 uses a roll R1 in which the outside surface of the medium P is the surface for printing, and the medium P is wound up such that the printed surface becomes the outside surface of the roll R2. Thus, both of therotation shaft 5 and the windingshaft 17 rotate in the rotational direction C. However, theprinting apparatus 1 of the present example can use a roll R1 in which the inside surface of the medium P is the surface for printing, and the medium P can be wound up such that the printed surface faces inward. Accordingly, either or both of therotation shaft 5 and the windingshaft 17 can rotate in a direction opposite to the rotational direction C. - Next, an electrical configuration of the
printing apparatus 1 of the present example will be described.Fig. 2 is a block diagram illustrating aprinting apparatus 1 of the present example. A control section 31 is a control unit for controlling theprinting apparatus 1. The control section 31 includes an I/F (interface) 32, aCPU 33, a storage unit 45, and so forth. The I/F 32 is provided for transmission and reception of data, such as print data, to and from aPC 46 serving as an external device. TheCPU 33 is a processing unit for controlling theentire printing apparatus 1 in response to input signals fromdetection devices 47 including amicrophone 18. The storage unit 45 includes a ROM that stores various control programs to be executed by theCPU 33. The storage unit 45 also includes a RAM, an EEPROM, and the like, which provide areas for temporarily storing a program to be executed by theCPU 33, work areas for the program, and so forth. -
CPU 33 controls, via a control circuit 44, actuation of thedrive roller 8, thecarriage operating section 29, theprinting head 7, and other devices (not shown). Thedrive roller 8 moves theadhesive belt 10 in the transport direction A. Thecarriage operating section 29 moves thecarriage 16 with theprinting head 7 thereon in the scanning direction B, and theprinting head 7 ejects ink onto a medium P. - The control section 31 of the present example, which is configured as above, can control a printing action (including a transport action for transporting a medium P and an ejection action for ejecting ink from the printing head 7) for forming images on a medium P. Note that "transport action for transporting a medium P" is an action in which a medium P is transported in the transport direction A. The
adhesive belt 10 extends around a plurality of rollers (driveroller 8 and idler roller 9), which thereby imparts tension to theadhesive belt 10. This tension is referred to as "belt tension". Themicrophone 18 serves as a tension measurement section that can measure the belt tension. More specifically, themicrophone 18 can detect sound waves that are generated by causing theadhesive belt 10 to vibrate by using a hammer 27 (seeFig. 5 ) or the like, which will be described below, and can be used to measure the belt tension on the basis of frequencies of detected sound waves. In addition, the storage unit 45 stores a correction table in which the belt tension and the traveling rate of theadhesive belt 10 corresponding to the belt tension correlate with each other. - In summary, the
printing apparatus 1 of the present example includes theadhesive belt 10 that is formed as a loop and capable of supporting a medium P, thedrive roller 8 that rotates theadhesive belt 10 and thereby transports the medium P in the transport direction, theprinting head 7 that prints images onto the medium P, and the control section 31 that controls the transport action for transporting the medium P. In addition, theadhesive belt 10 extends around a plurality of rollers (including thedrive roller 8 and the idler roller 9). The control section 31 accepts input of belt tension, which results from theadhesive belt 10 extending around a plurality of the rollers. The control section 31 controls the transport action in accordance with a correction table in which the belt tension and traveling rate of theadhesive belt 10 corresponding to the belt tension correlate with each other. Theprinting apparatus 1 of the present example is formed so as to be able to accept input of the belt tension and perform the transport action in accordance with the correction table in which the belt tension and traveling rate of theadhesive belt 10 corresponding to the belt tension correlate with each other. This can easily suppress a change in traveling rate of theadhesive belt 10 in conjunction with a change in tension of theadhesive belt 10 without performing an adjustment operation for adjusting the tension to a desired value. - Put another way, the
printing apparatus 1 of the present example includes theadhesive belt 10 that is formed as a loop and capable of supporting the medium P, thedrive roller 8 that rotates theadhesive belt 10 and thereby transports the medium P in a transport direction, and theprinting head 7 that prints images onto the medium P, theadhesive belt 10 extending around a plurality of rollers including thedrive roller 8. By using theprinting apparatus 1, a transporting method of transporting a medium P can be executed by way of accepting input of the belt tension and in accordance with the correction table in which the belt tension and the traveling rate of theadhesive belt 10 corresponding to the belt tension correlate with each other. According to this configuration, by accepting input of the belt tension and performing the transport action in accordance with the correction table in which the belt tension and the traveling rate of theadhesive belt 10 corresponding to the belt tension correlate with each other, a change in traveling rate of theadhesive belt 10 caused by a change in tension of theadhesive belt 10 can be easily suppressed without performing an adjustment operation for adjusting the tension to a desired value. - As described above, the
printing apparatus 1 of the present example includes themicrophone 18 serving as the tension measurement section that is used to measure the belt tension, and the control section 31 can accept measurement results of themicrophone 18 and control the transport action in accordance with the measurement results. As a result, theprinting apparatus 1 of the present example can measure the belt tension easily without having a tension measurement section separately. - In addition, the
printing apparatus 1 of the present example includes themicrophone 18, as the tension measurement section, that can be used to detect sound waves generated by causing theadhesive belt 10 to vibrate. Accordingly, theprinting apparatus 1 can measure the belt tension on the basis of frequencies of sound waves that have been detected by themicrophone 18. With this configuration, the belt tension can be measured with high accuracy. - As illustrated in
Fig. 1 , in theprinting apparatus 1 of the present example, themicrophone 18 is disposed in thecarriage 16 in which theprinting head 7 is disposed. Thecarriage 16, which constitutes the printing section, is disposed at a position close to theadhesive belt 10. Themicrophone 18, which is thereby provided at a position close to theadhesive belt 10, can be used to measure the belt tension near theadhesive belt 10, which enables high-accuracy measurement of the belt tension. - Regions between a plurality of rollers (i.e., between the
drive roller 8 and the idler roller 9) in each of which theadhesive belt 10 is present are referred to as "span regions". More specifically, the span regions include two regions, in other words, an upper span region (that opposes the printing head 7) and a lower span region (that does not oppose the printing head 7) between thedrive roller 8 and the idler roller 9. Theadhesive belt 10 of the present example is formed to be able to move in the direction E in response to rotation of thedrive roller 8 in the rotational direction C. Theadhesive belt 10 has ajoint portion 26 at which one end of theadhesive belt 10 and the other end of theadhesive belt 10 in the circumferential direction thereof are joined to each other (seeFig. 1 ). As illustrated inFig. 1 , in theprinting apparatus 1 of the present example, the position 42 at which the belt tension is measured is a position included in one of the span regions that opposes the printing head 7 (i.e., the upper span region). By adopting this arrangement, the belt tension can be measured in the span region that opposes theprinting head 7, which provides easy access to theadhesive belt 10 and thereby facilitates belt tension measurement. Thus, theprinting apparatus 1 of the present example can measure the belt tension with high accuracy. During measurement, the control section 31 is ready to accept a measurement instruction to measure the belt tension. Upon receiving the measurement instruction, the control section 31 moves thejoint portion 26 to the span region that is not opposing the printing head 7 (i.e., the lower span region). In other words, the control section 31, which has accepted the measurement instruction, moves thejoint portion 26 to a position that is not included in the span region in which the belt tension is measured. Thejoint portion 26 can be a factor for generating an error in measuring the belt tension. Theprinting apparatus 1 of the present example is formed so as to be able to measure the belt tension after thejoint portion 26 is moved to a position that is not included in the span region in which the belt tension is measured. This enables theprinting apparatus 1 of the present example to measure the belt tension with high accuracy. Note that the belt tension may be measured at a position that is not included in the span region that opposes theprinting head 7. Also note that the position to which thejoint portion 26 is moved may be any position, preferably provided that it is not included in the span region in which the belt tension is measured. - If a belt tension that the
microphone 18 serving as the tension measurement section has measured and sent to the control section 31 is beyond the range covered by the correction table that is stored in the storage unit 45, the control section 31 of the present example can issue an instruction to perform an alarm action that causes, for example, an alarm to sound from a speaker (not shown) or an alert to be displayed on a monitor screen (not shown) of theprinting apparatus 1 or thePC 46. Thus, theprinting apparatus 1 of the present example can perform an alarm action if the belt tension is beyond the range covered by the correction table, so that the printing action can be suppressed in the case that the traveling rate of theadhesive belt 10 is changed from a desired traveling rate (i.e., if the traveling rate cannot be recovered to a desired value). - Note that the
printing apparatus 1 of the present example includes a tension-adjusting section 21 (seeFig. 3 andFig. 4 ) that can adjust the belt tension in the case that, for example, the belt tension is beyond the range of the correction table. Accordingly, even if the belt tension is beyond the range of the correction table, theprinting apparatus 1 of the present example can adjust the belt tension to fall within the range of the correction table. Thus, theprinting apparatus 1 can easily suppress a change in traveling rate of theadhesive belt 10 caused by a change in tension of theadhesive belt 10. - The tension-adjusting
section 21, which is a principal part of theprinting apparatus 1 of the present example, will be described below.Fig. 3 is a side view illustrating thetransport mechanism 3 including the tension-adjustingsection 21, which is a principal part of theprinting apparatus 1 of the present example.Fig. 4 is a side view illustrating the region X inFig. 3 . - As illustrated in
Fig. 3 , thetransport mechanism 3 of the present example includes the tension-adjustingsection 21 on the side thereof near the idler roller 9 in the span direction G. The tension-adjustingsection 21 can adjust the position of the idler roller 9 in the span direction G. - As illustrated in
Fig. 4 , the tension-adjustingsection 21 includes abase portion 22, an urgingportion 24, amotor mechanism 23, and aguide portion 25. Thebase portion 22 supports the idler roller 9, and the urgingportion 24 urges thebase portion 22 in a direction G1, which is one direction of the span direction G. Themotor mechanism 23 can change the position of the urgingportion 24 in the span direction G. Theguide portion 25 guides the movement of thebase portion 22 in the span direction G in conjunction with the movement of the urgingportion 24 in the span direction G. The tension that is imparted due to theadhesive belt 10 extending around the idler roller 9 applies a force to thebase portion 22 in a direction G2 (i.e., toward the urging portion 24), which is the other direction of the span direction G. With this configuration, the belt tension can be adjusted by actuating a motor of themotor mechanism 23 and thereby adjusting the position of the urging portion 24 (i.e., base portion 22) in the span direction G. - A transport belt that extends around a plurality of rollers, such as the
adhesive belt 10 of the present example, may elongate due to aging, leading to a change in tension. When the tension (belt tension) of the transport belt changes, the traveling rate of the transport belt may change (in general, the smaller the belt tension becomes due to elongation of the transport belt, the smaller the traveling rate of the transport belt tends to be). Consequently, the transporting rate of the medium P may deviate from a desired value. Theprinting apparatus 1 of the present example is thus formed so that even if theadhesive belt 10 elongates due to aging, theprinting apparatus 1 is able to perform the transport action (or more specifically, to adjust the rotation rate of the drive roller 8) in accordance with the correction table stored in the storage unit 45. However, theadhesive belt 10 may elongate more than a predetermined range and deviate from the range of the correction table. In this case, the position of the idler roller 9 (i.e., base portion 22) can be adjusted so as to cause the belt tension to return to within the range covered by the correction table. - The
microphone 18, which is the tension measurement section of the present example, is capable of detecting sound waves that are generated by causing theadhesive belt 10 to vibrate. For this purpose, any method can be used provided that theadhesive belt 10 is caused to vibrate. However, it is preferable, for example, to use ahammer 27 as illustrated inFig. 5 . As illustrated inFig. 5 , thehammer 27 is constituted by ahammerhead 34, which is brought into contact with theadhesive belt 10, and agrip 35. A user can vibrate theadhesive belt 10 by using thehammer 27 shaped as illustrated inFig. 5 . More specifically, for example, when measuring the belt tension of theadhesive belt 10, a user first inputs, from thePC 46, an instruction to execute a measurement mode for measuring the belt tension. Next, under the control of the control section 31, the position of theadhesive belt 10 is adjusted (i.e., thejoint portion 26 is moved to the lower side) and a message is displayed on the monitor of thePC 46 to prompt the user to vibrate theadhesive belt 10 or the like. The user subsequently vibrates theadhesive belt 10 by using thehammer 27 and enters, via thePC 46, information that theadhesive belt 10 has been vibrated. Next, under the control of the control section 31, thecarriage 16 is caused to move in the scanning direction B and themicrophone 18 is caused to detect sound waves. It is preferable to vibrate theadhesive belt 10 multiple times (for example, an average result of multiple trials is adopted). It is also preferable to detect sound waves at multiple positions in the scanning direction B. In addition, when the belt tension of theadhesive belt 10 is measured, it is preferable that theprinting apparatus 1 does not perform any impeding actions that impede measurement of the belt tension. More specifically, such impeding actions include a transport action of the transport mechanism 3 (i.e., thedrive roller 8 moving the adhesive belt 10), a washing action of thewashing mechanism 15 that washes theadhesive belt 10, an action of a fan disposed in the printing apparatus 1 (for example, a suction action of a suction fan or an exhaust action of an exhaust fan), and the like. During such actions, the belt tension may not be measured accurately. For this reason, theprinting apparatus 1 is formed so as to stop such impeding actions in the case that the impeding actions are being performed when the instruction to execute the measurement mode for measuring the belt tension is entered. The belt tension is measured while the impeding actions are not performed. Thus, the belt tension can be measured with high accuracy. Theprinting apparatus 1 may be formed such that when the belt tension is measured, not all the impeding actions but some of the impeding actions are stopped. - As described above, the
printing apparatus 1 of the present example includes themicrophone 18 serving as the tension measurement section and does not include the hammer 27 (this is not an element of the printing apparatus 1). However, theprinting apparatus 1 is not limited to this configuration. For example, the entire tension measurement section may be formed as a separate element that is not included in theprinting apparatus 1, and theprinting apparatus 1 may be formed such that the control section 31 is capable of accepting the belt tension via thePC 46 or the like. Alternatively, theprinting apparatus 1 may include themicrophone 18 and thehammer 27, both of which serve as the tension measurement section. Example 2 (seeFig. 6 to Fig. 11 ) - Next, the
printing apparatus 1 according to Example 2, which includes both themicrophone 18 and thehammer 20 as the tension measurement section, will be described with reference to the accompanied drawings.Fig. 6 is a side view schematically illustrating aprinting apparatus 1 according to the present example.Fig. 6 corresponds toFig. 1 that illustrates theprinting apparatus 1 according to Example 1. In addition,Figs. 7 to 11 are side views schematically illustrating ahammer 20 that serves as the tension measurement section included by theprinting apparatus 1 of the present example. Note that components similar to those in Example 1 are denoted by the same numerals, and duplicated description will be omitted. Theprinting apparatus 1 of the present example includes thehammer 20, in addition to themicrophone 18, as the tension measurement section. Except this, theprinting apparatus 1 of the present example is formed so as to be the same as theprinting apparatus 1 according to Example 1. - As illustrated in
Fig. 6 , theprinting apparatus 1 of the present example includes, as the tension measurement section, thehammer 20 that causes theadhesive belt 10 to vibrate. Thus, theprinting apparatus 1 of the present example can measure the belt tension easily without separately providing an instrument for causing theadhesive belt 10 to vibrate. - Next, the
hammer 20 according to the present example will be described in detail. As illustrated inFig. 7 , thehammer 20 of the present example is constituted by a pressingmember 36 and a rotatingmember 37. The pressingmember 36 has ahammerhead portion 41 that hits the support surface F of theadhesive belt 10 and ahook portion 38. The rotatingmember 37 is formed so as to be able to rotate in the rotational direction C relative to arotation shaft 39. The rotatingmember 37 has three abuttingportions 40. The pressingmember 36 is urged in a direction D1 (in a direction toward the adhesive belt 10) by an urging member (not shown). While the rotatingmember 37 rotates in the rotational direction C, an abuttingportion 40 abuts thehook portion 38 and causes the pressingmember 36 to move in a direction D2 (in a direction away from the adhesive belt 10). Further rotation of the rotatingmember 37 in the rotational direction C unhooks thehook portion 38 from the abuttingportion 40, causing the pressingmember 36 to move in the direction D1 and thehammerhead portion 41 to hit the support surface F of theadhesive belt 10. -
Fig. 8 illustrates a state in which thehook portion 38 is unhooked from an abuttingportion 40. As illustrated inFig. 8 , in the state in which thehook portion 38 is unhooked from an abuttingportion 40, thehammerhead portion 41 is positioned at a contact position S1 at which thehammerhead portion 41 is in contact with the support surface F of theadhesive belt 10. -
Fig. 9 illustrates a state at the moment when an abuttingportion 40 touches thehook portion 38. While the rotatingmember 37 rotates in the rotational direction C from the state inFig. 9 , the pressingmember 36 moves in the direction D2. -
Fig. 10 illustrates a state in which the pressingmember 36 has moved to a space-keeping position S2 by rotating the rotatingmember 37 in the rotational direction C from the state inFig. 9 . Note that the space-keeping position S2 illustrated inFig. 10 is the home position of the pressing member 36 (home position when the vibration action of theadhesive belt 10 is not performed, such as when the printing action is performed). -
Fig. 11 illustrates a state in which the vibration action of (process for vibrating) theadhesive belt 10 has been started and the pressingmember 36 has moved to a striking-start position S3 by rotating the rotatingmember 37 in the rotational direction C from the state inFig. 10 . In subsequent execution of the vibration action of theadhesive belt 10, the rotatingmember 37 rotates in the rotational direction C from the state inFig. 11 , and thehook portion 38 is unhooked from an abuttingportion 40, causing the pressingmember 36 to move in the direction D1 and thehammerhead portion 41 to hit the support surface F of the adhesive belt 10 (returning to the state inFig. 8 ). - The
hammer 20 of the present example is thus formed (three abuttingportions 40 are disposed on the rotatingmember 37 with an equal spacing therebetween). Accordingly, a vibration action of theadhesive belt 10 can be executed by rotating the rotatingmember 37 each one-third of a rotation. The position of the rotatingmember 37 in the rotational direction C can be detected by a sensor (not shown). - For example, when the belt tension of the
adhesive belt 10 is measured by using theprinting apparatus 1 of the present example, a user first inputs, from thePC 46, an instruction to execute the measurement mode for measuring the belt tension. Next, under the control of the control section 31, theprinting apparatus 1 adjusts the position of the adhesive belt 10 (i.e., moves thejoint portion 26 to the lower side). Under the control of the control section 31, theprinting apparatus 1 subsequently rotates the rotatingmember 37 in the rotational direction C and thereby moves the pressingmember 36 consecutively from the state inFig. 10 to the state inFig. 11 , the state inFig. 8 , the state inFig. 9 , and then back to the state inFig. 10 . Thehammerhead portion 41 thus hits the support surface F of theadhesive belt 10 and causes theadhesive belt 10 to vibrate. Under the control of the control section 31, theprinting apparatus 1 subsequently moves thecarriage 16 in the scanning direction B and causes themicrophone 18 to detect sound waves. It is preferable to vibrate theadhesive belt 10 multiple times (for example, an average result of multiple trials is adopted). It is also preferable to detect sound waves at multiple positions in the scanning direction B. In addition, when the belt tension of theadhesive belt 10 is measured, it is preferable that theprinting apparatus 1 does not perform any impeding actions that impede measurement of the belt tension. More specifically, such impeding actions include a transport action of the transport mechanism 3 (i.e., thedrive roller 8 moving the adhesive belt 10), a washing action of thewashing mechanism 15 that washes theadhesive belt 10, an action of a fan disposed in the printing apparatus 1 (for example, a suction action of a suction fan or an exhaust action of an exhaust fan), and the like. During such actions, the belt tension may not be measured accurately. For this reason, theprinting apparatus 1 is formed so as to stop such impeding actions in the case that the impeding actions are being performed when the instruction to execute the measurement mode for measuring the belt tension is entered. The belt tension is measured while the impeding actions are not performed. Thus, the belt tension can be measured with high accuracy. Theprinting apparatus 1 may be formed such that when the belt tension is measured, not all the impeding actions but some of the impeding actions are stopped. - It should be understood that the invention is not limited to the examples described above and various modifications can be made, and thereby included, within the scope of the invention set forth in the claims.
Claims (8)
- A printing apparatus (1), comprising:a transport belt (10) that is formed as a loop and is capable of supporting a medium (P);a drive roller (8) configured to rotate the transport belt and thereby transport the medium in a transport direction;a printing section (4) configured to print an image onto the medium; anda control section (31) configured to control a transport action for transporting the medium, whereinthe transport belt extends around a plurality of rollers (8,9) that include the drive roller,wherein the printing apparatus further comprises a tension measurement section configured to measure the belt tension, where the belt tension is a tension generated due to the transport belt extending around a plurality of the rollers, the tension being imparted to the transport belt,wherein the control section is configured to accept input of belt tension by accepting input of a measurement result from the tension measurement section, andthe control section is configured to control the transport action in accordance with a correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other, andcharacterized in that:the tension measurement section includes a microphone (18) that can detect sound waves generated by causing the transport belt to vibrate, andthe tension measurement section is configured to measure the belt tension in accordance with frequencies of sound waves that have been detected by the microphone (18).
- The printing apparatus according to Claim 1, wherein the control section is configured to provide an instruction to perform an alarm action when the belt tension that has been input is beyond a range covered by the correction table.
- The printing apparatus according to Claim 1 or Claim 2, further comprising a tension-adjusting section (21) capable of changing the belt tension.
- The printing apparatus according to any one of the preceding claims, wherein
the transport belt has a joint portion (26) at which one end and the other end of the transport belt in a circumferential direction thereof are joined to each other,
when span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt, the control section can accept a measurement instruction to measure the belt tension, and
upon accepting the measurement instruction, the control section is configured to move the joint portion to a position that is not included in one of the span regions in which the belt tension is measured. - The printing apparatus according to any one of the preceding claims, wherein when span regions denote a plurality of regions between a plurality of the rollers, each of the regions including the transport belt, a position at which the belt tension is measured is included in one of the span regions that opposes the printing section.
- The printing apparatus according to any one of the preceding claims, wherein the microphone is disposed in the printing section.
- The printing apparatus according to any one of the preceding claims, wherein the tension measurement section includes a hammer (20) that causes the transport belt to vibrate.
- A transporting method, comprising:providing a printing apparatus (1) that includesa transport belt (10) that is formed as a loop and capable of supporting a medium (P),a drive roller (8) that rotates the transport belt and thereby transports the medium in a transport direction, anda printing section (4) that prints an image onto the medium,the transport belt extending around a plurality of rollers (8,9) including the drive roller,detecting sound waves, generated by causing the transport belt to vibrate, by a microphone (18) included in a tension measurement section,measuring belt tension by the tension measurement section in accordance with frequencies of sound waves that have been detected by the microphone, the belt tension is a tension generated due to the transport belt extending around a plurality of the rollers, the tension being imparted to the transport belt,accepting input of the belt tension by accepting input of a measurement result from the tension measurement section, andtransporting the medium in accordance with a correction table in which the belt tension and traveling rate of the transport belt corresponding to the belt tension correlate with each other.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017054072A JP6930162B2 (en) | 2017-03-21 | 2017-03-21 | Printing equipment and transportation method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3378661A1 EP3378661A1 (en) | 2018-09-26 |
EP3378661B1 true EP3378661B1 (en) | 2021-02-24 |
Family
ID=61683688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18162067.5A Active EP3378661B1 (en) | 2017-03-21 | 2018-03-15 | Printing apparatus and transporting method |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3378661B1 (en) |
JP (1) | JP6930162B2 (en) |
CN (1) | CN108621554B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109264458B (en) * | 2018-10-23 | 2024-06-18 | 恒银金融科技股份有限公司 | Paper medium processing device convenient for double-sided printing and scanning |
CN110039924A (en) * | 2019-03-14 | 2019-07-23 | 广州精陶机电设备有限公司 | A kind of docking production line realizes the Method of printing and its printer of continuous production |
JP7354612B2 (en) * | 2019-06-26 | 2023-10-03 | ブラザー工業株式会社 | printing device |
JP2021194897A (en) * | 2020-06-18 | 2021-12-27 | セイコーエプソン株式会社 | Recording device and control method in recording device |
JP2023064873A (en) | 2021-10-27 | 2023-05-12 | セイコーエプソン株式会社 | Conveyer, recording device |
JP2023075500A (en) * | 2021-11-19 | 2023-05-31 | セイコーエプソン株式会社 | Carrier device and liquid discharge device |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08114963A (en) * | 1994-10-17 | 1996-05-07 | Fuji Xerox Co Ltd | Color image forming device |
JP4622610B2 (en) * | 2005-03-23 | 2011-02-02 | 富士ゼロックス株式会社 | Image forming apparatus |
JP2008260168A (en) * | 2007-04-10 | 2008-10-30 | Canon Inc | Recorder and conveyance control method |
US8295733B2 (en) * | 2007-09-13 | 2012-10-23 | Ricoh Company, Ltd. | Image forming apparatus, belt unit, and belt driving control method |
CN101585457A (en) * | 2008-05-22 | 2009-11-25 | 上海精翔实业有限公司 | Detect the apparatus and method of eccentricity of stock coil |
US7857414B2 (en) * | 2008-11-20 | 2010-12-28 | Xerox Corporation | Printhead registration correction system and method for use with direct marking continuous web printers |
CN101603244B (en) * | 2009-07-28 | 2012-05-30 | 武汉科技学院 | Non-contact tension detection and feedback control mesh belt winding device |
JP5936416B2 (en) * | 2012-03-29 | 2016-06-22 | 株式会社Screenホールディングス | Method for correcting misalignment in inkjet printing apparatus and inkjet printing apparatus |
JP2014041864A (en) * | 2012-08-21 | 2014-03-06 | Fuji Mach Mfg Co Ltd | Substrate working machine |
US9182300B2 (en) * | 2012-10-10 | 2015-11-10 | Bosch Automotive Service Solutions Inc. | Method and system for measuring belt tension |
JP6170945B2 (en) * | 2012-12-12 | 2017-07-26 | バンドー化学株式会社 | Natural frequency measurement device, belt tension calculation program and method, and belt natural frequency calculation program and method |
CN103213408A (en) * | 2013-05-15 | 2013-07-24 | 济南优诺思喷印设备有限公司 | Tension-adjustable rubber covered roller conveyer |
TWI582033B (en) * | 2013-08-12 | 2017-05-11 | 亞智科技股份有限公司 | Transfer device and transfer method |
JP2015058987A (en) * | 2013-09-17 | 2015-03-30 | 大日本印刷株式会社 | Chopper folding adjustment system, chopper folding adjustment method, and chopper folder |
JP2015203484A (en) * | 2014-04-16 | 2015-11-16 | セイコーエプソン株式会社 | recording device |
CN103950771A (en) * | 2014-05-04 | 2014-07-30 | 杭州电子科技大学 | Tension control unit and control method thereof in thin film production |
JP2016057455A (en) * | 2014-09-09 | 2016-04-21 | 株式会社リコー | Image forming apparatus |
JP6424591B2 (en) * | 2014-11-27 | 2018-11-21 | 株式会社リコー | Transport apparatus, motor control method, image reading apparatus and image forming apparatus |
JP2017019624A (en) * | 2015-07-10 | 2017-01-26 | セイコーエプソン株式会社 | Printer |
JP6547482B2 (en) * | 2015-07-21 | 2019-07-24 | セイコーエプソン株式会社 | Liquid discharge device |
JP6705140B2 (en) * | 2015-09-11 | 2020-06-03 | セイコーエプソン株式会社 | Printer |
CN205620064U (en) * | 2016-03-11 | 2016-10-05 | 贤科茗(上海)精密仪器有限公司 | Belt tension tester |
CN205739639U (en) * | 2016-06-30 | 2016-11-30 | 云南恩典科技产业发展有限公司 | A kind of double forming paper rewinding machine |
CN106163121A (en) * | 2016-08-29 | 2016-11-23 | 广州炬森自动化设备有限公司 | A kind of volume to volume is detecting device integrated |
CN106400455B (en) * | 2016-12-01 | 2018-06-26 | 辽宁博联过滤有限公司 | Bead cutter and its application method are sealed with the ultrasonic wave of automatic drawing-off and video deviation-correcting function |
-
2017
- 2017-03-21 JP JP2017054072A patent/JP6930162B2/en active Active
-
2018
- 2018-03-06 CN CN201810181323.3A patent/CN108621554B/en active Active
- 2018-03-15 EP EP18162067.5A patent/EP3378661B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
JP6930162B2 (en) | 2021-09-01 |
CN108621554A (en) | 2018-10-09 |
EP3378661A1 (en) | 2018-09-26 |
JP2018154071A (en) | 2018-10-04 |
CN108621554B (en) | 2021-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3378661B1 (en) | Printing apparatus and transporting method | |
US11027563B2 (en) | Printing apparatus and medium conveyance method | |
US11141972B2 (en) | Liquid ejecting device and a method for correcting landing position deviation of liquid | |
JP4821337B2 (en) | Inkjet recording device | |
EP1235690B1 (en) | Belt driven media transport in a printer | |
JP5859675B2 (en) | Printing method and printing apparatus for long strips | |
JPH1058661A (en) | Ink jet printer | |
JP2018150099A (en) | Printer | |
JP4412227B2 (en) | Recording device and production management system | |
US20020071017A1 (en) | Belt driven media transport in a printer | |
JP2018149706A (en) | Liquid discharge device and setting method of discharge range | |
JP2003201665A (en) | Printing apparatus | |
JP4226202B2 (en) | Inkjet recording device | |
JP2009527434A (en) | Feeding system for image forming machine | |
JP7326955B2 (en) | Image forming device, sheet conveying device | |
JP2020131486A (en) | Printer, and method for indicating set position of medium in printer | |
JP2021049736A (en) | Liquid discharge device and conveying method of conveying belt | |
JP6988163B2 (en) | Carriage and liquid discharge device | |
CN220947252U (en) | Conveying device, liquid ejecting apparatus, and detecting apparatus | |
EP3686137B1 (en) | Transport device, printing apparatus, and method for adjusting feeding unit | |
US20210197596A1 (en) | Recording device | |
JPH10195784A (en) | Apparatus for ink jet printing of fabric | |
JP2004142418A (en) | Roll-paper feeding mechanism for recorder | |
JP3236884B2 (en) | Batch-up rolls for printing machines | |
JP2022049899A (en) | Liquid discharge device, and method for correcting impact position deviation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190318 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20200924 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1363961 Country of ref document: AT Kind code of ref document: T Effective date: 20210315 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602018012853 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20210224 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210525 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210524 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210624 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210524 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 1363961 Country of ref document: AT Kind code of ref document: T Effective date: 20210224 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210624 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602018012853 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20210331 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210331 Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210315 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210315 Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210331 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
26N | No opposition filed |
Effective date: 20211125 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210624 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210331 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20220315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20180315 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210224 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240130 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20240212 Year of fee payment: 7 Ref country code: FR Payment date: 20240213 Year of fee payment: 7 |