JP5470176B2 - Drum dryer and maintenance method of drum dryer - Google Patents

Description

  The present invention relates to a drum dryer for drying an object to be dried disposed on an outer peripheral surface of a drying drum, and a maintenance method for the drum dryer.

For example, as shown in Patent Documents 1 and 2, the drum-type dryer described above was printed and applied in a printing recording apparatus that performs printing and coating on the surface of a long base material such as continuous paper. It is used when the substrate is dried.
The drum-type dryer includes a drying drum that rotates about an axis, a drying chamber that is disposed to face at least a part of the outer peripheral surface of the drying drum, a dryer main body that accommodates the drying drum and the drying chamber, It has. The drying drum is configured such that its outer peripheral surface is heated by a heater disposed therein, and the drying chamber is configured to blow warm air to the outer peripheral surface of the drying drum.

  Here, in the drum dryer described above, the drying chamber is movable in the axial direction of the drying drum. First, with the drying chamber retracted from the drying drum, an object to be dried (long substrate) is wound around the drying drum so that the object to be dried continuously moves on the outer peripheral surface of the drying drum. Thereafter, the drying chamber is moved to a position facing the outer peripheral surface of the drying drum, and drying is started. Then, the to-be-dried material wound around the drying drum is dried by heating from the inside of the drying drum and hot air from the drying chamber.

JP 2001-141364 A JP 2007-196513 A

By the way, in the above-described drum type dryer, it is necessary to perform maintenance and the like by removing the drying chamber and the drying drum from the outside of the dryer body.
Conventionally, a plate is placed in the main body of the dryer, a bedding is placed on the plate, the drying chamber and the drying drum are disassembled and removed on the bedding, and then pulled out with the bedding. It was carried out of the main body.

Here, since the drying chamber and the drying drum are relatively large and heavy, a large amount of labor is required when carrying out the dryer main body to the outside. Further, when carrying out the drying chamber and the drying drum, these components may collide and be damaged.
Furthermore, since the operation is complicated and the drying chamber and the drying drum cannot be easily removed, the maintenance operation cannot be performed quickly, and the operating rate of the equipment may be reduced.

  The present invention has been made in view of the above-described situation, and a drum-type dryer and a maintenance method for the drum-type dryer that can easily and reliably take out components such as a drying chamber from the dryer body. The purpose is to provide.

  In order to solve this problem, a drum-type dryer according to the present invention includes a drying drum that rotates about an axis and has an object to be dried disposed on an outer peripheral surface, and at least a part of the outer peripheral surface of the drying drum. A drum-type dryer including a drying chamber disposed opposite to each other, and a dryer main body in which the drying drum and the drying chamber are accommodated, and an inner rail portion extending in parallel to the axis in the dryer main body The drying chamber has a slide member guided by the inner rail portion, and is configured to move in the axial direction along the inner rail portion. Is formed with an opening that opens toward one side in the axial direction, and an external rail connected to the inner rail and extending in the extending direction of the inner rail is attached to and detached from the opening. Possible It is arranged, in a state in which is disposed the outer rail section, the drying chamber, is characterized in that it is configured to move from the inner rail section to the outer rail side.

  In the drum type dryer having this configuration, the drying chamber has an inner rail portion for moving the drying chamber in the axial direction of the drying drum, and the outer rail is connected to the opening portion of the dryer main body so as to be connected to the inner rail portion. Therefore, the drying chamber can be easily taken out of the dryer main body by moving the drying chamber along the inner rail portion and the outer rail portion. Moreover, since the external rail part is made detachable, it can be attached and used only during maintenance. Further, since the drying chamber can be easily taken out by disposing the external rail portion in the opening of the dryer main body, the maintenance work can be performed quickly.

  Here, a drum carriage for transporting the drying drum is detachably disposed on the outer rail portion, and the drum carriage has a drum receiving portion for receiving the drying drum, and a drum receiving portion for receiving the drying drum. An elevating mechanism for elevating and a slide member guided by the inner rail portion and the outer rail portion, and the drum carriage moves in the axial direction along the outer rail portion and the inner rail portion. And it is preferable that it is set as the structure inserted into a dryer main body through the said opening part.

In this case, the drum carriage is disposed on the outer rail portion, and the drum carriage is moved along the outer rail portion and the inner rail portion so that the drum carriage is moved to the dryer main body through the opening. Will be inserted. And since the drum trolley is provided with the raising / lowering mechanism which raises / lowers a drum receiving part, it becomes possible to remove a drying drum from a dryer main body in the state which supported the drying drum by raising a drum receiving part. The drying drum removed from the dryer main body moves along the inner rail portion and the outer rail portion while being placed on the drum carriage, and is taken out of the dryer main body. Therefore, it is possible to reliably carry out the outside of the dryer main body without damaging the drying drum.
In addition, as described above, the drum carriage is provided with a lifting mechanism that raises and lowers the drum receiving portion. Therefore, the drum carriage is inserted into the dryer body with the drying drum mounted in the dryer body. At this time, the drum receiving portion is prevented from interfering with the drying drum.

Moreover, it is preferable that the opening part of the said main-body part is provided with the position guide part which guides the height position and width direction position of the said external rail part.
In this case, the height position and the width direction position of the outer rail portion are guided by the position guide portion, and the connection with the inner rail portion can be smoothly performed. Therefore, the above-described drying chamber and drum carriage can be reliably moved between the inner rail portion and the outer rail portion. In addition, the mounting work of the external rail portion is simplified, and the maintenance work can be performed more quickly.

Furthermore, it is preferable that a height adjusting mechanism is provided on the external rail portion.
In this case, even if there is an inclination or unevenness on the floor or the like at a position away from the opening of the dryer body, the external rail can be kept horizontal by adjusting the height of the external rail. The above-described drying chamber can be smoothly slid.

Moreover, it is preferable that the vertical position is fixed when the slide member is positioned on the inner rail portion.
In this case, the vertical position of the drying chamber is stabilized inside the dryer main body, and collision with other components inside the dryer main body is prevented.

  A maintenance method for a drum-type dryer according to the present invention includes a drying drum that rotates about an axis and has a material to be dried disposed on an outer peripheral surface thereof, and a dryer that is disposed to face at least a part of the outer peripheral surface of the drying drum. A drum-type dryer maintenance method comprising a chamber and a dryer main body in which the drying drum and the drying chamber are housed, wherein the dryer main body includes an inner rail portion extending in parallel to the axis. The drying chamber has a slide member guided by the inner rail portion, and is configured to move in the axial direction along the inner rail portion. An opening that opens toward one side in the axial direction is formed, and in this opening, an outer rail portion that is connected to the inner rail portion and extends in the extending direction of the inner rail portion The drying chamber is detachably disposed, and the drying chamber is moved from the inner rail portion to the outer rail portion side in a state where the outer rail portion is disposed in the opening of the dryer body. It is characterized by being taken out of the machine body.

  According to the maintenance method of the drum type dryer configured as described above, an external rail portion is disposed in the opening of the dryer body, and the drying chamber is moved from the internal rail portion to the external rail portion side. Since it can be taken out of the main body of the dryer by moving, the removal operation of the drying chamber can be performed easily and reliably. Therefore, the maintenance work can be performed quickly.

  Further, the maintenance method for the drum dryer according to the present invention includes a drying drum that rotates about the axis and has an object to be dried disposed on an outer peripheral surface thereof, and is disposed opposite to at least a part of the outer peripheral surface of the drying drum. A drum-type dryer having a drying chamber and a dryer main body in which the drying drum and the drying chamber are housed, wherein the dryer main body includes an inner rail portion extending in parallel to the axis. The drying chamber has a slide member guided by the inner rail portion, and is configured to move in the axial direction along the inner rail portion. Is formed with an opening that opens toward one side in the axial direction. The opening is connected to the inner rail portion and extends in the extending direction of the inner rail portion. The drum section is detachably disposed, and the outer rail section is detachably disposed with a drum carriage for transporting the drying drum. The drum carriage receives a drum receiver for receiving the drying drum. And a slide mechanism guided by the inner rail portion and the outer rail portion, and using the drum carriage, the outside of the dryer main body is provided. The drying drum is taken out.

  According to the maintenance method of the drum type dryer configured as described above, an external rail portion is disposed in the opening of the dryer body, and a drum carriage is disposed in the external rail portion, thereby Since the drying drum can be taken out of the dryer main body using the carriage, the removal operation of the drying drum can be easily and reliably performed. Therefore, the maintenance work can be performed quickly.

  ADVANTAGE OF THE INVENTION According to this invention, components, such as a drying chamber, can be taken out easily and reliably from a dryer main body, and the maintenance method of a drum dryer can be provided.

It is a figure which shows an example of the printing recording apparatus provided with the drum type dryer which is this embodiment. It is a schematic explanatory drawing of the drum type dryer which is embodiment of this invention. It is a top surface explanatory view of the drum type drier shown in FIG. It is side surface explanatory drawing of the drum-type dryer shown in FIG. It is explanatory drawing which shows the engagement state of a slide member and an internal rail part. It is a front view of the cart for drums arranged in the drum type dryer which is an embodiment of the present invention. It is a top surface explanatory view of the drum trolley and the external rail part shown in FIG. It is side surface explanatory drawing of the trolley for drums shown in FIG. 6, and an external rail part.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
A drum dryer 10 according to the present embodiment is provided in a printing recording apparatus 1 as shown in FIG. 1 and continuously applies a long base material (continuous paper P in the present embodiment) on which printing, coating, or the like has been performed. It is used for drying.

A printing recording apparatus 1 illustrated in FIG. 1 includes a paper feeding unit 2 that supplies continuous paper P, a printing unit 3 that performs printing on the continuous paper P, and a drying unit 4 that dries the printed continuous paper P. And a discharge unit 5 for discharging the dried continuous paper P to the outside.
As the printing unit 3, for example, various printing machines such as an electrophotographic printing machine, an offset printing machine, an inkjet, and a water-based glue coating machine can be applied. That is, what is necessary is just to apply printing ink etc. on the surface of the continuous paper P.

The drum dryer 10 according to the present embodiment is used as the drying unit 4 disposed in the subsequent stage of the printing unit 3.
In the print recording apparatus 1 having such a configuration, the continuous paper P is supplied from the paper supply unit 2 to the printing unit 3, and the printing unit 3 performs printing on the continuous paper P. Then, the printed continuous paper P is continuously dried in the drying unit 4 (drum dryer 10), and then discharged to the outside through the discharge unit 5.

  As shown in FIG. 2, the drum dryer 10 according to the present embodiment is arranged so as to face the drying drum 20 rotated around the axis O and at least a part of the outer peripheral surface of the drying drum 20. And a drying chamber 30 provided. In the present embodiment, the drying drum 20 and the drying chamber 30 are accommodated in the dryer body 11 as shown in FIGS. 1 and 2. In addition, in this dryer main body 11, the opening part 12 opened toward the axis line O direction one side is provided.

The drying drum 20 is pivotally supported by a drum receiving arm 13 extending from the main body frame 11 </ b> A of the dryer main body 11. The drum receiving arm 13 is detachable from the main body frame 11A.
Further, the drying drum 20 is provided with a heater (not shown) in the inside thereof, and is configured to heat the outer peripheral surface of the drying drum 20.

  The drying chamber 30 is disposed so as to face at least a part of the outer peripheral surface of the drying drum 20, and in this embodiment, as shown in FIG. 2, only the portion through which the drum receiving arm 13 passes is cut out. It is assumed to have a shape. In addition, the space between the drying chamber 30 and the drying drum 20 has a size that allows the continuous paper P to pass therethrough. The drying chamber 30 is provided with a blower (not shown) that supplies hot air toward the outer peripheral surface of the drying drum 20 and an exhaust (not shown) that discharges air containing moisture.

As shown in FIGS. 3 and 4, the drying chamber 30 includes a bracket 31 on the other end side in the axis O direction of the drying chamber 30 (left side in FIGS. 3 and 4).
A slide member 33 is fixed to the side walls of the drying chamber 30 and the bracket 31. As shown in FIG. 2, the slide members 33 are respectively disposed on the upper and lower portions of the drying chamber 30 when viewed from the direction along the axis O. As shown in FIG. 4, in the bracket 31, the slide member 33 is disposed at the same height as the slide member 33 disposed in the lower portion of the drying chamber 30. That is, in the drying chamber 30 and the bracket 31, as shown in FIG. 4, three slide members 33 are disposed on one side wall surface.

  As shown in FIG. 4, the slide member 33 includes two upper wheels 34, two lower wheels 35, and a plate member 36 that supports the upper wheel 34 and the lower wheel 35. As shown in FIG. 5, the upper wheel 34 and the lower wheel 35 are provided with annular grooves 37 having a V-shaped cross section on the circumferential surfaces thereof, and circumferential surface portions 38 are defined on both sides of the annular grooves 37. ing.

  As shown in FIG. 3, in the main body frames 11 </ b> A, 11 </ b> B, 11 </ b> C, and 11 </ b> D of the dryer main body 11, an inner rail extending in parallel to the axis O is provided at a portion where the side walls of the drying chamber 30 and the bracket 31 are opposed. A portion 15 is provided. As shown in FIGS. 3 and 4, the inner rail portion 15 is provided at a position where the slide member 33 disposed at the lower portion of the side wall surface of the drying chamber 30 and the bracket 31 is engaged. Further, the main body frames 11A, 11B, 11C, and 11D of the dryer main body 11 are provided with an auxiliary rail portion 16 that extends in parallel with the inner rail portion 15. The auxiliary rail portion 16 is provided on the side of the drying chamber 30. The slide member 33 disposed on the upper surface of the wall surface is engaged. As shown in FIG. 4, the length of the auxiliary rail portion 16 is shorter than the length of the inner rail portion 15.

  Here, as shown in FIG. 5, the inner rail portion 15 and the auxiliary rail portion 16 are fixed by a seat plate 17 and a support plate 18 fixed to the main body frame 11 </ b> A. Further, the inner rail portion 15 and the auxiliary rail portion 16 are configured such that the upper surface portion gradually decreases in the cross section perpendicular to the extending direction, and the width gradually decreases as the lower surface portion decreases downward. It is configured as follows. The upper surface portion and the lower surface portion are configured to engage with the annular grooves 37 of the upper wheel 34 and the lower wheel 35 of the slide member 33 described above.

  The drying chamber 30 moves in the direction of the axis O when the upper wheel 34 and the lower wheel 35 of the slide member 33 roll along the inner rail portion 15. When the continuous paper P is wound around the drying drum 20, it is positioned on the other side in the axis O direction (left side in FIGS. 3 and 4) so as to retract from the drying drum 20. On the other hand, when the continuous paper P is dried, the continuous paper P is moved to a position facing the outer peripheral surface of the drying drum 20.

  And in the opening part 12 of the dryer main body 11, the external rail part 40 connected in the above-mentioned internal rail part 15 and extended in the extension direction of the internal rail part 15 is arrange | positioned so that attachment or detachment is possible. As shown in FIG. 4, the rail surface (upper surface) of the outer rail portion 40 is positioned below the inner rail portion 15 described above. Specifically, the lower position of the lower wheel 35 of the slide member 33 is positioned below the inner rail portion 15 so that the lower rail 35 is the rail surface of the outer rail portion 40. In the present embodiment, the outer rail portion 40 is made of a lightweight steel such as L-shaped steel, and is lightweight and easy to handle.

  The opening 12 of the dryer main body 11 is provided with a position guide pin 11E that protrudes upward. By inserting the position guide pin 11E through a guide hole provided at one end of the outer rail portion 40, the height position and the width direction position of the outer rail portion 40 are guided. In the present embodiment, as shown in FIG. 4, the inner rail portion 15 and the outer rail portion 40 are partially overlapped with each other.

The external rail portion 40 is set to be longer than the total length of the drying chamber 30 and the bracket 31 in the direction of the axis O, and includes a plurality of support leg portions 41 spaced in the extending direction. The support leg portion 41 is provided with a height adjusting mechanism so that the height position of the external rail portion 40 can be adjusted.
In addition, two outer rail portions 40 are arranged with a gap in the width direction, and the horizontal rail 42 connecting the two outer rail portions 40 has a gap in the extending direction of the outer rail portion 40. A plurality are arranged.

A contact member 43 and a stopper member 44 are disposed at one end (the right end in FIGS. 3 and 4) of the external rail portion 40. The abutting member 43 abuts on a member that moves the external rail portion 40 and guides the position in the axis O direction. In addition, the stopper member 44 protrudes and protrudes with respect to the rail surface of the outer rail portion 40 and is configured to fix one of the lower wheels 35 of the slide member 33.
The outer rail portion 40 is provided with a guide rail 45 that guides the position in the width direction. The guide rail 45 is disposed at the end of the rail surface in the width direction, and is disposed so as to contact the side surface of the lower wheel 35 of the slide member 33.

As shown in FIGS. 6 to 8, a drum carriage 50 for transporting the drying drum 20 is detachably disposed on the external rail portion 40.
The drum carriage 50 includes a carriage main body 51, a drum receiver 52 provided above the carriage main body 51 to support the drying drum 20, a slide member 53 provided on the side wall of the carriage main body 51, and a drum receiver. An elevating mechanism 57 that elevates and lowers the portion 52 and a lock member 58 that fixes the position of the carriage main body 51 in the axis O direction are provided.
The slide member 53 has the same structure as that provided in the drying chamber 30 and the bracket 31 described above, and includes an upper wheel 54, a lower wheel 55, and a plate member 56. In the present embodiment, as shown in FIG. 8, four slide members 53 are arranged, move on the rail surface of the outer rail portion 40, and engage with the inner rail portion 15 to be the main body of the dryer. 11 is configured to be inserted into 11.

Next, a maintenance method of the drum dryer 10 having such a configuration will be described.
First, the drying chamber 30 and the bracket 31 are taken out of the dryer body 11. An external rail portion 40 is disposed in the opening 12 of the dryer body 11. At this time, the position guide pin 11 </ b> E formed in the opening 12 is inserted into the guide hole of the external rail 40. Thereby, the height position and the width direction position of the external rail part 40 are guided. Further, the height adjustment mechanism provided on the support leg portion 41 of the outer rail portion 40 is adjusted so that the rail surface of the outer rail portion 40 is horizontal.

  Then, the drying chamber 30 and the bracket 31 are moved toward one side in the axis O direction. The slide member 33 that has moved along the inner rail portion 15 has the lower wheel 35 of the slide member 33 placed on the rail surface of the outer rail portion 40. Then, the lower wheel 35 rolls on the rail surface of the outer rail portion 40, and the drying chamber 30 and the bracket 31 move along the outer rail portion 40. Thereby, the drying chamber 30 and the bracket 31 are taken out of the dryer main body 11. In addition, the drying chamber 30 and the bracket 31 are fixed on the outer rail portion 40 by bringing the drying chamber 30 into contact with the contact member 43 and fixing the lower wheel 35 with the stopper member 44.

Then, the drying chamber 30 and the bracket 31 are removed from the external rail portion 40 by a conveyor such as a crane, and a drum carriage 50 is disposed instead.
The drum carriage 50 is moved along the outer rail portion 40 and the inner rail portion 15, inserted into the dryer main body 11, disposed below the drying drum 20, and fixed by the lock member 58. Next, the drum receiver 52 of the drum carriage 50 is raised by the lifting mechanism 57 and brought into contact with the drying drum 20.

  In this state, the drum receiving arm 13 supporting the drying drum 20 is removed, and the drying drum 20 is separated from the dryer main body 11. Then, as shown in FIGS. 7 and 8, the drying drum 20 placed on the drum carriage 50 is moved along the inner rail portion 15 and the outer rail portion 40, and is carried out of the dryer main body 11. . Since the drum carriage 50 is provided with a slide member 53 having the same structure as the slide member 33 provided in the drying chamber 30 and the bracket 31 described above, the drum carriage 50 extends from the inner rail portion 15 to the outer rail portion 40. It is possible to move smoothly.

  In this way, the drying chamber 30 and the bracket 31 and the drying drum 20 carried out of the dryer main body 11 are used for the dryer main body 11 by using the external rail portion 40 after necessary maintenance is performed. It will be carried in.

According to the drum dryer 10 and the maintenance method of the drum dryer 10 according to the present embodiment configured as described above, the opening 12 of the dryer main body 11 is connected to the internal rail portion 15, And since the external rail part 40 extended in the extension direction of the internal rail part 15 is arrange | positioned and the slide member 33 is set as the structure which rolls the rail surface of this external rail part 40, it is the drying chamber 30 and a bracket. 31 can be moved from the inner rail portion 15 to the outer rail portion 40, and the drying chamber 30 and the bracket 31 can be easily carried out of the dryer main body 11.
Moreover, since the external rail part 40 is made removable, it can be attached and used only at the time of a maintenance. Furthermore, since the drying rail 30 and the bracket 31 can be pulled out by disposing the external rail portion 40, the drying chamber 30 and the bracket 31 can be reliably carried out of the dryer main body 11 with a simple operation.

Further, a drum carriage 50 for transporting the drying drum 20 is detachably disposed on the external rail portion 40. The drum carriage 50 is a slide provided in the drying chamber 30 and the bracket 31 described above. Since the slide member 53 having the same structure as the member 33 is provided, the drum carriage 50 can be moved along the outer rail portion 40 and the inner rail portion 15 and inserted into the dryer main body 11.
The drum carriage 50 includes a drum receiver 52 that supports the drying drum 20 and an elevating mechanism 57 that raises and lowers the drum receiver 52. With the drying drum 20 supported by 52, the drum receiving arm 13 that supports the drying drum 20 can be disassembled. Further, as described above, the drum carriage 50 includes the lifting mechanism 57 that raises and lowers the drum receiver 52, so that the drum carriage 50 is dried with the drying drum 20 mounted in the dryer body 11. The drum receiver 52 is prevented from interfering with the drying drum 20 when inserted into the machine main body 11.

Then, the drying drum 20 separated from the dryer body 11 can be carried out to the outside of the dryer body 11 using the drum carriage 50.
As described above, according to the drum dryer 10 and the maintenance method of the drum dryer 10 according to the present embodiment, the dryer drum 20 can be reliably carried out to the outside without damaging the dryer drum 20. It becomes.

  Further, since the opening 12 of the dryer body 11 is provided with a position guide pin 11E protruding upward, the position guide pin 11E is inserted into a guide hole provided at one end of the external rail portion 40. By doing so, the height position and the width direction position of the external rail part 40 will be guided, and the internal rail part 15 and the continuous connection can be performed smoothly. Therefore, the drying chamber 30 and the bracket 31 and the drum carriage 50 described above can reliably move between the inner rail portion 15 and the outer rail portion 40. In addition, the mounting work of the external rail portion 40 is simplified, and the maintenance work can be performed more quickly.

  Further, since the height adjustment mechanism is provided on the support leg 41 in the external rail portion 40, even if there is an inclination or unevenness on the floor surface or the like at a position away from the opening 12 of the dryer body 11. By adjusting the height of the outer rail portion 40, the outer rail portion 40 can be kept horizontal, and the above-described drying chamber 30, the bracket 31, and the drum carriage 50 can be smoothly slid. It becomes possible.

  In addition, the slide member 33 provided in the drying chamber 30 and the bracket 31 and the drum carriage 50 includes an upper wheel 34 and a lower wheel 35, and the inner rail portion 15 includes the upper wheel 34 and the lower wheel 35. Therefore, when moving along the inner rail portion 15, the vertical position of the slide member 33 is fixed. Accordingly, the vertical position of the drying chamber 30, the bracket 31, and the drum carriage 50 is stabilized inside the dryer main body 11, and it is prevented from colliding with other components inside the dryer main body 11. The drying chamber 30, the bracket 31, and the drum carriage 50 can be slid and moved reliably.

  In this embodiment, the upper wheels 34 and 54 and the lower wheels 35 and 55 disposed on the slide members 33 and 53 have the annular groove 37, and the upper surface and the lower surface of the inner rail portion 15 are associated with the annular groove 37. Since it is set as the structure to match, the relative width direction position of the inner rail part 15 and the slide members 33 and 53 will be stabilized. Further, when moving from the outer rail portion 40 side to the inner rail portion 15 side, the inner rail portion 15 and the slide members 33 and 53 are smoothly engaged. Therefore, the drying chamber 30, the bracket 31, and the drum carriage 50 can be moved smoothly.

Furthermore, in this embodiment, since the stopper member 44 is provided in the external rail part 40, the drying chamber 30 and the bracket 31 and the drum carriage 50 are fixed on the external rail part 40 to perform maintenance. be able to.
Moreover, since the drying chamber 30, the bracket 31, and the drum carriage 50 are placed on the rail surface of the external rail portion 40, they can be easily carried out and carried in by a transporter such as a crane.
Furthermore, in this embodiment, since the outer rail part 40 is comprised with lightweight type steels, such as L-shaped steel, and it is lightweight and is easy to handle, the attachment or detachment work to the opening part 12 of the dryer main body 11 is compared. Can be done easily.

As described above, the drum dryer and the maintenance method of the drum dryer according to the embodiment of the present invention have been described. However, the present invention is not limited thereto, and may be appropriately selected without departing from the technical idea of the present invention. It can be changed.
For example, the slide member has four wheels and has been described as a configuration in which the inner rail portion and the outer rail portion roll. However, the present invention is not limited to this, and a rolling wheel is provided in the inner rail portion and the outer rail portion. The slide member may be moved along these rolling wheels.
Further, although the drum type dryer provided in the printing recording apparatus shown in FIG. 1 has been described, the present invention is not limited to this, and any drum type dryer having a drying drum, a drying chamber, and an inner rail portion may be used. That's fine.

DESCRIPTION OF SYMBOLS 10 Drum type dryer 11 Dryer main body 12 Opening part 15 Internal rail part 20 Drying drum 30 Drying chamber 33 Slide member 40 External rail part 41 Support leg part (height adjustment mechanism)
50 Drum Cart 52 Drum Receiver 53 Slide Member 57 Elevating Mechanism

Claims (7)

A drying drum that rotates about the axis and in which an object to be dried is disposed on the outer peripheral surface, a drying chamber that is disposed to face at least a part of the outer peripheral surface of the drying drum, and the drying drum and the drying chamber are accommodated. A drum dryer having a dryer body,
The dryer main body is provided with an inner rail portion extending parallel to the axis,
The drying chamber has a slide member guided by the inner rail portion, and is configured to move in the axial direction along the inner rail portion.
The dryer body is formed with an opening that opens toward one side in the axial direction. The opening is connected to the inner rail and extends in the extending direction of the inner rail. The outer rail part is detachably arranged,
A drum-type dryer, wherein the drying chamber is configured to move from the inner rail portion to the outer rail portion side in a state where the outer rail portion is disposed. A drum carriage for transporting the drying drum is detachably disposed on the outer rail portion,
The drum carriage includes a drum receiver that receives the drying drum, an elevating mechanism that raises and lowers the drum receiver, and a slide member that is guided by the inner rail and the outer rail.
The drum carriage is configured to move in the axial direction along the outer rail portion and the inner rail portion, and to be inserted into a dryer main body through the opening. Item 4. The drum dryer according to Item 1.   The drum type according to claim 1 or 2, wherein a position guide part for guiding a height position and a width direction position of the external rail part is provided in the opening of the dryer main body. Dryer.   The drum-type dryer according to any one of claims 1 to 3, wherein a height adjustment mechanism is provided on the outer rail portion.   The drum-type dryer according to any one of claims 1 to 4, wherein when the slide member is positioned on the inner rail portion, a vertical position is fixed. A drying drum that rotates about the axis and in which an object to be dried is disposed on the outer peripheral surface, a drying chamber that is disposed to face at least a part of the outer peripheral surface of the drying drum, and the drying drum and the drying chamber are accommodated. A maintenance method for a drum dryer having a dryer body,
The dryer main body is provided with an inner rail portion extending in parallel with the axis, and the drying chamber has a slide member guided by the inner rail portion, and the inner rail portion extends along the inner rail portion. It is configured to move in the axial direction,
The dryer body is formed with an opening that opens toward one side in the axial direction. The opening is connected to the inner rail and extends in the extending direction of the inner rail. The outer rail part is detachably arranged,
With the outer rail portion disposed in the opening of the dryer body, the drying chamber is taken out of the dryer body by moving from the inner rail portion to the outer rail portion side. The maintenance method of the drum type dryer characterized by the above. A drying drum that rotates about the axis and in which an object to be dried is disposed on the outer peripheral surface, a drying chamber that is disposed to face at least a part of the outer peripheral surface of the drying drum, and the drying drum and the drying chamber are accommodated. A maintenance method for a drum dryer having a dryer body,
The dryer main body is provided with an inner rail portion extending in parallel with the axis, and the drying chamber has a slide member guided by the inner rail portion, and the inner rail portion extends along the inner rail portion. It is configured to move in the axial direction,
The dryer body is formed with an opening that opens toward one side in the axial direction. The opening is connected to the inner rail and extends in the extending direction of the inner rail. The outer rail part is detachably arranged,
A drum carriage for transporting the drying drum is detachably disposed on the outer rail portion, and the drum carriage includes a drum receiving portion that receives the drying drum and an elevating and lowering that moves the drum receiving portion. A mechanism, and a slide member guided to the inner rail portion and the outer rail portion,
A maintenance method for a drum dryer, wherein the drum is taken out of the dryer body by using the drum carriage.

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