JP2013124180A - Suction roll - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent increase in air volume to be sucked even when an anti-heating countermeasure is applied.SOLUTION: The suction roll includes: a rotary roll body 12 opened with a large number of suction holes 13c; and a seal/suction circular region adjusting tool 14 internally fitted to a cylindrical portion 13 and in which a curved sealed portion 14a facing a seal circular region M of the cylindrical portion 13 and an opening 14b facing a suction circular region Q of an inner periphery 13a and an exhaust path 15 is formed thereinside. A sealing tool 17 is provided to each of long edges 14a-1, 14a-1 adjacent to the opening 14b of the curved sealed portion 14a of the seal/suction circular region adjusting tool 14, the seal tool 17 includes a flexible seal rod 19 provided to the seal/suction circular region adjusting tool 14 and advanceable/retreatable to/from the inner periphery 13a of the cylindrical portion 13, and a pressing tool 20 provided between the seal/suction circular region adjusting tool 14 and seal rod 19, and a sealing face 19c of the seal rod 19 is brought into slidable press-contact with the inner periphery 13a of the cylindrical portion 13.

Description

  The present invention is a suction roll that forcibly sucks a sheet-like substrate such as a plastic film or a metal foil onto the outer peripheral surface of the roll so that the high-temperature sheet-like substrate that has come out of the heat treatment apparatus or the like can be subjected to forced suction. Related to improvements.

  As shown in FIGS. 6A and 6B, the conventional suction roll 1 includes a rotatable rotary roll body 2 having a plurality of suction holes 3c opened to the inner and outer peripheral surfaces 3a and 3b of the cylindrical portion 3, A curved seal portion 4a that is fitted in the cylindrical portion 3 and faces the seal arc region M on the inner peripheral surface 3a of the cylindrical portion 3 and an opening portion 4b that faces the suction arc region Q on the inner peripheral surface 3a are formed. And a fixed seal / suction arc region adjuster 4 having an exhaust passage 5 formed therein (Patent Document 1). This suction roll 1 is intended for a sheet-like base material W that does not reach a high temperature, and is provided with an exhaust passage 5 inside a non-rotating seal / suction arc region adjuster 4 connected to an exhaust fan (not shown). By sucking into a negative pressure state, the suction arc region Q of the rotating rotating roll body 2 is brought into a suction state, and the sheet-like substrate W wound around the suction arc region Q is moved to the outer peripheral surface of the cylindrical portion 3. It will be made to drive | work, adhering to 3b by suction.

Japanese Utility Model Publication No. 5-15613

  By the way, the suction roll 1 is installed at the outlet of the base material heat treatment apparatus or the like, and the high temperature sheet-like base material W coming out of the base material heat treatment apparatus is sucked and adhered to the outer peripheral surface 3 b of the cylindrical portion 3. There are uses that you want to run. The suction roll 1 of this application is a high-temperature sheet-like base material that has come out of the base material heat treatment apparatus during operation from the normal temperature state that is the same as the ambient temperature of the installation location before the start of operation when the change in temperature is seen. It will be heated by the contact of W and will be heated up to a high temperature state. As this temperature rises, the curved seal portion 4a that does not rotate of the seal / suction arc region adjusting tool 4 is adjacent to the opening 4b, and both longitudinal edge portions 4a along the roll longitudinal direction (direction in which the roll rotation center line E extends). Since the temperatures of -1 and 4a-1 are higher than the temperature of the longitudinal central portion 4a-2 facing the opening 4b, as shown in FIGS. 7A and 7B, the longitudinal edges 4a-1 and 4a Including −1, thermal deformation is generated that bends along the length of the roll. This thermal deformation has an arcuate shape in which the amount of deformation gradually increases from both ends of each longitudinal edge 4a-1 toward the center. On the other hand, the cylindrical portion 3 of the rotating roll body 2 does not cause a temperature difference in the entire circumferential direction due to the rotation, so that a large amount of thermal deformation does not occur along the longitudinal direction of the roll due to the temperature rise.

  Therefore, the suction roll 1 that changes from the normal temperature state to the high temperature state has a large deformation amount of heat in the curved seal portion 4a of the non-rotating seal / suction arc region adjuster 4 as shown in FIGS. A curved seal of the seal / suction arc region adjusting tool 4 is provided so that the cylindrical portion 3 that does not cause thermal deformation with a large amount of rotation is not brought into contact with the deformed longitudinal edge portions 4a-1, 4a-1. It is necessary to take a heating measure to make the outer diameter of the portion 4a considerably smaller than the inner diameter of the cylindrical portion 3.

  However, in the case where the above-mentioned heating countermeasure is taken, a gap between each longitudinal edge portion 4a-1 of the seal / suction arc region adjuster 4 and the inner and outer peripheral surfaces 3a of the cylindrical portion 3 shown in FIGS. Since the dimension of G gradually increases from the center of each longitudinal edge 4a-1 toward both ends due to the bow-shaped deformation of each longitudinal edge 4a-1 accompanying the temperature rise, it is necessary to take measures against heating. Compared with the case where there is no air flow, the amount of air sucked through the exhaust passage 5 becomes large, which causes the problem that the exhaust fan for suction becomes larger and the drive energy of the exhaust fan increases.

  In order to solve the above-described problem, an object of the present invention is to provide a suction roll that does not increase the amount of air sucked even if measures against heating are taken.

  As shown in FIGS. 1 and 2, the means employed by the present invention according to the first aspect of the present invention in order to prevent the increase in the amount of air sucked even if measures against heating are employed, is open to the inner and outer peripheral surfaces 13 a and 13 b of the cylindrical portion 13. A rotary roll body 12 having a suction hole 13c formed therein, a curved seal portion 14a which is fitted in the cylindrical portion 13 and faces the seal arc region M on the inner peripheral surface 13a of the cylindrical portion 13, and the inner peripheral surface 13a. In the suction roll 11 provided with a seal / suction arc region adjuster 14 having an opening 14b facing the suction arc region Q and having an exhaust passage 15 formed therein, the seal / suction arc region adjuster 14 is provided. Of the curved seal portion 14a, the longitudinal edge portion 14a-1 and the inner circumference of the cylindrical portion 13 are adjacent to both the longitudinal edge portions 14a-1 and 14a-1 along the roll longitudinal direction adjacent to the opening portion 14b. 13a is provided, and each sealing tool 17 is provided on the sealing / suction arc region adjusting tool 14 side, and is flexible so as to advance and retreat toward the inner peripheral surface 13a of the cylindrical portion 13. And a pressing tool 20 provided between the seal / suction arc region adjusting tool 14 and the seal bar 19, and the seal surface 19 c of the seal bar 19 slides on the inner peripheral surface 13 a of the cylindrical portion 13. The suction roll is characterized in that it is capable of being in pressure contact.

  In the present invention according to claim 1, in order to cope with heating of the sheet-like substrate W in a high temperature state wound around the suction arc region Q, a seal fitted inside the cylindrical portion 13 of the rotary roll body 12. In the state where the outer diameter dimension of the curved seal portion 14a of the suction arc region adjuster 14 is made considerably smaller than the inner diameter dimension of the cylindrical portion 13 and a heating measure is taken to ensure the rotation of the rotary roll body 12, the seal / suction arc Each of the longitudinal edges 14a-1, 14a-1 of the region adjuster 14 is in a state where it is not thermally deformed before heating and is thermally deformed so as to bend along the roll longitudinal direction by heating. By pressing the flexible sealing rod 19 of the sealing tool 17 disposed in 14a-1 with the pressing tool 20 and pressing the sealing surface 19c slidably against the inner peripheral surface 13a of the cylindrical portion 13, Each longitudinal edge 14 Between the inner peripheral surface 13a of -1 and the cylindrical portion 13 will be is sealed, there is no possible to suction a large amount of outside air to the exhaust passage 15 from the suction hole 13c of the sealing arc region M. The seal rod 19 is deformed along the roll longitudinal direction so as to correspond to the deformation of the longitudinal edge portion 14a-1 due to its flexibility, and the entire area of the seal surface 19c in the roll longitudinal direction is the inner circumference of the cylindrical portion 13. By being slidably pressed against the surface 13a, the space between each longitudinal edge portion 14a-1 and the inner peripheral surface 13a of the cylindrical portion 13 can be reliably sealed.

  The means adopted by the present invention according to claim 2 is that the seal members 17 are attached to the seal / suction arc region adjuster 14 in an airtight state so that the seal with the seal rod is reliably performed. The seal rod 19 held by the retainer 18 protrudes from the retainer 18 so as to freely advance and retract, and a plurality of the seal rods 19 are provided between the retainer 18 and the seal rod 19 at appropriate intervals along the roll longitudinal direction. The suction roll according to claim 1, wherein the pressing tools 20 are arranged.

  In the present invention according to claim 2, the seal rod 19 held by the holding tool 18 is dispersed and pressed by the plurality of pressing tools 20, so that the longitudinal direction of the seal / suction arc region adjusting tool 14 is rolled. The seal rod 19 is protruded from the holder 18 in accordance with the amount of deflection of the thermal deformation along the seal 18, and the seal surface 19 c of the seal rod 19 is securely slidably pressed against the inner peripheral surface 13 a of the cylindrical portion 13. Can do.

  As shown in FIG. 4, the means employed by the present invention according to the third aspect of the present invention to ensure that the assembling operation of the suction roll can be carried out reliably is as follows. As shown in FIG. 4, one of the divided pieces 18a and the other divided piece 18b can be divided. A part of the pressing tool 20 is fitted into the pressing tool holding recess 18e formed in one of the divided pieces 18a, and a retaining collar 18d is formed between the two divided pieces 18a and 18b. Both split pieces 18a and 18b are fitted in the retaining recess groove 18c so that the retaining bulging portion 19b opposite to the sealing surface 19c of the stick body 19a of the sealing rod 19 is movably fitted. The fixing screws 21 inserted into the fixing screw insertions 18f, 18f of both the divided pieces 18a, 18b are screwed to the female screws 14c provided in the seal / suction arc region adjusting tool 14, and both the divided pieces 18a, 18b are inserted. 8b is a suction roll according to claim 2 linked to.

  According to the third aspect of the present invention, the sealing / suction arc region adjusting tool 14 provided with the holding tool 18 that does not drop the pressing tool 20 and the seal rod 19 is made smooth with respect to the cylindrical portion 13 of the rotary roll body 12. Can be fitted inside.

  The suction roll according to the first aspect of the present invention can provide a seal / suction arc even if a countermeasure against heating is applied to make the outer diameter of the curved seal portion of the seal / suction arc adjustment tool considerably smaller than the inner diameter of the cylindrical portion. Since the space between each longitudinal edge of the area adjuster and the inner and outer peripheral surfaces of the cylindrical part is sealed with a seal, a large amount of outside air is not sucked into the exhaust path from the suction hole in the seal arc area. Compared to the case where there is no exhaust fan, it is not necessary to increase the size of the exhaust fan for suction, and the drive energy of the exhaust fan is not increased.

  In the suction roll according to the second aspect of the present invention, the seal surface of the seal rod is securely slidably pressed against the inner peripheral surface of the cylindrical portion so that the seal with the seal rod is surely performed.

  Since the suction roll according to the third aspect of the present invention can smoothly fit the seal / suction arc region adjustment tool into the cylindrical portion of the rotary roll body without dropping the pressing tool and the seal rod, the assembly work of the suction roll can be performed. Certainly and easily.

FIG. 2 is a longitudinal sectional view showing the suction roll according to the present invention (hereinafter referred to as “the present invention suction roll”) in the middle of the left and right sides, and is a cross-sectional view taken along line C1-C1 in FIG. It is a thing. 1A is a cross-sectional view enlarged by sectioning along line C2-C2 in FIG. 1, and FIG. 2B is an enlarged view of a portion surrounded by a chain line m in FIG. FIG. 3 is a longitudinal sectional view taken along line C3-C3 in FIG. FIG. 2A is an exploded perspective view showing members in the vicinity of the sealing tool 17, and FIG. 2B is a perspective view showing the vicinity of the assembled sealing tool 17. Fig. (A) is a cross-sectional view of the cylindrical portion 13 of the rotary roll body 12 of the suction roller 11 of the present invention heated by heating, and is a cross-sectional view at the center in the longitudinal direction. Fig. (B) is surrounded by a chain line n in Fig. (A). FIG. Fig. (A) is a longitudinal sectional view of a conventional suction roll 1 for a sheet-like substrate W that does not reach a high temperature, and Fig. (B) is a transverse sectional view taken along line C6-C6 in Fig. (A). is there. FIG. (A) shows a state in which the conventional suction roll 1 is heated and the seal / suction arc region adjustment tool 4 is bent and deformed along the longitudinal direction of the roll with a high-temperature sheet-like base material W. FIG. 5B is a longitudinal sectional view taken along line C7A-C7A in FIG. 5B, and FIG. 5B is a transverse sectional view taken along line C7B-C7B in FIG.

  The present invention suction roll 11 according to the embodiment shown in FIGS. 1 to 4 includes a rotary roll body 12 having a large number of suction holes 13c opened to inner and outer peripheral surfaces 13a and 13b of a cylindrical portion 13, and a rotary roll body. 12 is formed in the cylindrical portion 13, and a curved seal portion 14 a facing the seal arc region M on the inner peripheral surface 13 a of the cylindrical portion 13 and an opening portion 14 b facing the suction arc region Q on the inner peripheral surface 13 a are formed. In addition, a seal / suction arc region adjuster 14 having an exhaust passage 15 formed therein, a hollow vent rod 22 fitted in the seal / suction arc region adjuster 14, and left and right screws engaged with the hollow vent rod 22. Among the bent width adjusting plates 23 and 23 and the curved seal portion 14a of the seal / suction arc region adjuster 14, adjacent to the opening 14b, along the roll longitudinal direction (direction in which the roll rotation center line E extends). And a seal device 17, 17 disposed between the inner peripheral surface 13a of the square of the longitudinal edges 14a-1 and 14a-1 of each cylindrical portion 13. The left and right ventilation width adjusting plates 23, 23 can be omitted when the winding position of the sheet-like substrate W in the longitudinal direction of the rotary roll body 12 and the left-right width dimension of the sheet-like substrate W are constant. It is.

  As shown in FIG. 1, the support structure on the left side of the suction roll 11 of the present invention is configured such that a bearing tool 26 is disposed on a left fixed frame 24 via a rotation lock tool 25, and a hollow ventilation is provided to the bearing tool 26 via a bearing 27. The left hollow shaft portion 28 of the rod 22 is pivotally supported, and the bearing tool 26 supports the left hollow shaft portion 32 of the seal / suction arc region adjusting tool 14 and the bearing tool 26 and the left hollow shaft portion 32 rotate integrally. In this way, the left side bearing portion 38 of the rotary roll body 12 is rotatably supported by the left side hollow shaft portion 32 of the seal / suction arc adjustment tool 14 via the bearing 37. Yes. The hollow vent rod 22 has a sprocket 43 attached to the left end of the left hollow shaft portion 28, and receives a rotation operation of a rotary operation tool (not shown) connected to the sprocket 43 via a chain (not shown). The position along the roll longitudinal direction of the ventilation width adjusting plates 23, 23 can be changed. The seal / suction arc region adjustment tool 14 unlocks the rotation lock tool 25, rotates the exposed portion of the left hollow shaft portion 32 with a wrench, etc., and then locks the rotation lock tool 25, thereby rotating the opening 14b. The roll body 12 can be rotated and moved to a position facing the changed seal arc region M. The left hollow shaft portion 32 of the seal / suction arc region adjuster 14 is screwed with a bearing press nut 41 and is covered with a cover 42 attached to the left bearing portion 38 of the rotary roll body 12. It has been broken.

  As shown in FIG. 1, the right support structure of the suction roll 11 according to the present invention is such that the right shaft portion 40 of the rotary roll body 12 is pivotally supported by a bearing tool 45 attached to the right fixed frame 44 via a bearing 46. The right hollow shaft portion 33 of the seal / suction arc region adjuster 14 is pivotally supported by the right bearing portion 39 of the rotary roll body 12 via a bearing 48, and the right hollow shaft portion 33 is hollow via bearings 49, 49. The right shaft portion 29 of the ventilation rod 22 is pivotally supported. A bearing press nut 51 is screwed to the right shaft portion 40 of the rotary roll body 12 via a collar 50. A bearing retainer nut 52 is screwed onto the right hollow shaft portion 33 of the seal / suction arc region adjuster 14. A bearing retainer nut 54 is screwed onto the right shaft portion 29 of the hollow vent rod 22 with a collar 53 interposed between the bearings 49 and 49.

  As shown in FIG. 1, the rotary roll body 12 has a left bearing portion 38 coupled to the left end portion of the cylindrical portion 13, and a right bearing portion 39 and a right shaft portion 40 coupled to the right end portion of the cylindrical portion 13, The right shaft 40 is driven to rotate through an input tool 56 such as a pulley attached to the keyed input shaft 40a at the right end of the right shaft 40. In the rotary roll body 12, as shown in FIG. 2A, the area around which the sheet-like base material W is wound becomes a suction arc area Q that makes the suction hole 13c of the cylindrical portion 13 in a suction state. A region where the substrate W is not wound becomes a seal arc region M where the suction hole 13c is not in a suction state. When the position along the circumferential direction of the suction arc region Q and the seal arc region M is changed with the change of the winding position of the sheet-like substrate W, the seal / suction arc region adjustment tool 14 is rotated and stopped to bend. The positions of the seal part 14a and the opening part 14b are changed, the position facing the opening part 14b after the position change is the suction arc area Q, and the position facing the curved seal part 14a after the position change is the seal arc area M Become.

  As shown in FIG. 1 and FIG. 2 (A), the seal / suction arc region adjuster 14 includes a notch cylinder portion 34 in which the bent seal portion 14a and the opening portion 14b are formed, and a notch cylinder portion 34. A left hollow shaft portion 32 connected to the left end portion and a right hollow shaft portion 33 connected to the right end portion of the notched tube portion 34 are provided.

  As shown in FIG. 1, the hollow vent rod 22 includes a porous cylindrical portion 30 having a large number of air holes 30a, a left hollow shaft portion 28 connected to the left end of the porous cylindrical portion 30, and a porous cylindrical portion. 30 and a right shaft portion 29 connected to the right end portion. When the hollow vent rod 22 is exhausted by the exhaust fan 59 via the suction pipe 58 connected to the left vent hole portion 28b of the left hollow shaft portion 28, the sealing / suction arc region via the numerous air holes 30a. The exhaust passage 15 inside the adjustment tool 14 is brought into a uniform suction state along the longitudinal direction of the roll, and the rotary roll main body 12 is connected via the opening 14b communicating with the exhaust passage 15 of the seal / suction arc region adjustment tool 14. The suction arc region Q (see FIG. 2A) is brought into a uniform suction state along the longitudinal direction of the roll.

  As shown in FIGS. 3 and 2A, the left ventilation width adjusting plate 23 is screwed to a male screw portion 28a formed on the left hollow shaft portion 28 of the hollow ventilation rod 22 to adjust the seal / suction arc region. A base 23 a that fits in the bent seal portion 14 a of the tool 14, and a protrusion 23 b that is screw-coupled 23 c to the base 23 a and fits into the opening 14 b of the seal / suction arc region adjusting tool 14. The right ventilation width adjusting plate 23 is screwed into a male screw portion 29 a formed on the right hollow shaft portion 29 of the hollow ventilation rod 22, and is a base portion that fits inside the curved seal portion 14 a of the seal / suction arc region adjuster 14. 23a, and a projection 23b that is screw-connected 23c to the base 23a and fits into the opening 14b of the seal / suction arc region adjuster 14. As the hollow ventilation rod 22 rotates, the left and right ventilation width adjusting plates 23 and 23 move so that they are separated or approached in the left and right width area of the opening 14b of the seal / suction arc area adjustment tool 14. The suction width dimension of the suction arc region Q (see FIG. 2A) of the rotary roll body 12 is made to correspond to the width of the sheet-like substrate W by adjusting the suction width of the opening 14b.

  As shown in FIGS. 2 and 4, the pair of seal tools 17, 17 are opened in both of the long edge portions 14 a-1, 14 a-1 of the curved seal portion 14 a of the seal / suction arc region adjuster 14. It is provided so as to seal between the longitudinal edge portion 14 a-1 of the portion 14 b and the inner peripheral surface 13 a of the cylindrical portion 13. Each sealing tool 17 includes a flexible sealing rod 19 provided in the sealing / suction arc region adjusting tool 14 and capable of moving forward and backward toward the inner peripheral surface 13a of the cylindrical portion 13 along the roll radial direction, and a sealing / suction arc. An area adjusting tool 14 and a pressing tool 20 provided between the seal rod 19 are provided, and the seal surface 19 c of the seal rod 19 is slidably pressed against the inner peripheral surface 13 a of the cylindrical portion 13. Each seal 17 includes a holder 18 attached to the seal / suction arc area adjuster 14 in an airtight manner and extending in the longitudinal direction of the roll. The seal rod is held in an airtight manner so as not to drop off. 19 is protruded from the holder 18 along the roll radial direction so as to freely advance and retreat, and a pressing tool 20 composed of a plurality of compression coil springs or the like is provided between the holder 18 and the seal rod 19 at appropriate intervals along the roll longitudinal direction. It is arranged.

  As shown in FIG. 4, the seal bar 19 is composed of a flexible rod main body portion 19 a that is formed from a heat-resistant synthetic resin material (for example, heat-resistant polyamide) and can be bent and deformed along the longitudinal direction. One end side of the rod main body 19a is used as a seal surface 19c, and bulging portions 19b and 19b for retaining are provided on the other end side. The seal rod 19 pressed by the pressing tool 20 toward the inner peripheral surface 13a of the cylindrical portion 13 is flexible so as to be deformed so as to correspond to the deformation of the long edge portion 14a-1, and the seal surface. The entire length of 19c can be slidably pressed against the inner peripheral surface 13a of the cylindrical portion 13.

  The holding tool 18 is composed of one divided piece 18a and the other divided piece 18b that can be divided in order to easily obtain a structure that does not cause the seal rod 19 to fall off, and a press formed in one divided piece 18a. A part of the pressing tool 20 is fitted into the tool holding recess 18e, and the other end side of the bar body 19a of the seal bar 19 is inserted into the retaining groove 18c formed between the two split pieces 18a and 18b. The two split pieces 18a and 18b are aligned so that the bulging portion 19b on the opposite side of the seal surface 19c is movably fitted, and then inserted into the fixing screw insertion holes 18f and 18f of the split pieces 18a and 18b. The fixed screw 21 is screwed onto a female screw 14c provided at each longitudinal edge portion 14a-1 of the seal / suction arc region adjuster 14, and the two split pieces 18a and 18b are connected to each other. The seal / suction arc region adjuster 14 having the holder 18 assembled so as not to drop the seal bar 19 is smoothly inserted into the cylindrical portion 13 of the rotary roll body 12 without dropping the seal bar 19. Can be fitted. Since the suction roll 11 according to the present invention can smoothly fit the seal / suction arc region adjusting tool 14 into the cylindrical portion 13 of the rotary roll body 12 without dropping the pressing tool 20 and the seal rod 19, the assembling work of the suction roll can be surely performed. Easy to do.

  As shown in FIG. 5, the suction roll 11 of the present invention is configured such that the outer diameter size of the curved seal portion 14 a of the seal / suction arc region adjuster 14 fitted inside the cylindrical portion 13 of the rotary roll body 12 is the inner diameter size of the cylindrical portion 13. In a state in which a heat countermeasure is adopted such that the gap fit is made considerably smaller than that, both longitudinal edge portions 14a-1 and 14a-1 of the seal / suction arc region adjuster 14 are linearly shaped so as not to be thermally deformed before heating. In any state that has been heated and deformed so as to be bent in an arcuate shape so as to protrude toward the inner peripheral surface 13a of the cylindrical portion 13 along the lengthwise direction of the roll by heating from the above state, the longitudinal edge portion 14a- 1 and 14a-1, the flexible sealing rod 19 of the sealing device 17 is pressed by the pressing device 20 so that the sealing surface 19c can slide on the inner peripheral surface 13a of the cylindrical portion 13. Sealed by pressure welding It will be reliably sealed between the inner circumferential surface 13a of the suction arc sections adjuster respective longitudinal edges 14a-1 and the cylindrical portion 13 of 14. As a result, the suction roll 11 of the present invention does not suck a large amount of outside air from the suction hole 13c in the seal arc region M of the rotary roll main body 12 to the exhaust passage 15, and is more suitable for suction than in the case where no measures against heating are taken. It is not necessary to increase the size of the exhaust fan 59, and the drive energy of the exhaust fan 59 is not increased. Further, the suction roll 11 according to the present invention reliably seals between the long edge portions 14 a-1 of the seal / suction arc region adjuster 14 and the inner peripheral surface 13 a of the cylindrical portion 13 with the seal tool 17. The suction pressure generated in the suction hole 13c in the suction arc region Q of the cylindrical portion 13 of the main body 12 can be made uniform throughout the circumferential direction and the roll longitudinal direction of the suction arc region Q, and the outer peripheral surface 13b of the cylindrical portion 13 and the sheet-like base material No slip occurs with W.

DESCRIPTION OF SYMBOLS 11 ... Invention suction roll, 12 ... Rotating roll main body, 13 ... Cylindrical part, 13a ... Inner peripheral surface, 13b ... Outer peripheral surface, 13c ... Suction hole, 14 ... Seal / suction arc area adjusting tool, 14a ... Curved seal part, 14a-1 ... longitudinal edge, 14b ... opening, 14c ... female screw, 15 ... exhaust passage, 17 ... sealing tool, 18 ... holding tool, 18a ... one divided piece, 18b ... other divided piece, 18c ... extraction Stop groove portion, 18d ... collar portion, 18e ... depression for holding pressing tool, 18f ... insertion hole for fixing screw, 19 ... seal rod, 19a ... rod body portion, 19b ... bulge portion for retaining, 19c ... seal surface, 20 DESCRIPTION OF SYMBOLS ... Pressing tool, 21 ... Fixing screw, 22 ... Hollow ventilation rod, 23 ... Ventilation width adjusting plate, 23a ... Base part fitted in the curved seal part 14a, 23b ... Protrusion part fitted in the opening part 14b, 23c ... Screw connection, 24 ... left fixed frame, 25 ... times Locking tool, 26 ... bearing tool, 27 ... bearing, 28 ... left hollow shaft portion of hollow vent rod 22, 28a ... male screw portion, 28b ... vent hole portion, 29 ... right shaft portion of hollow vent rod 22, 29a ... male Threaded portion, 30 ... porous tube portion of hollow vent rod 22, 32 ... left hollow shaft portion of seal / suction arc region adjuster 14, 33 ... right hollow shaft portion of seal / suction arc region adjuster 14, 34 ... seal / Notch tube portion of suction arc region adjuster 14, 35 ... connecting screw, 37 ... bearing, 38 ... left side bearing portion of rotating roll body 12, 39 ... right side bearing portion of rotating roll body 12, 40 ... of rotating roll body 12 Right shaft part, 41 ... Bearing presser nut, 42 ... Cover, 43 ... Sprocket, 44 ... Right fixing frame, 45 ... Bearing, 46 ... Bearing, 48 ... Bearing, 49 ... Bearing, 50 ... Collar, DESCRIPTION OF SYMBOLS 1 ... Bearing press nut, 52 ... Bearing press nut, 53 ... Collar, 54 ... Bearing press nut, 56 ... Input tool, 58 ... Suction pipe, 59 ... Exhaust fan, E ... Roll rotation center line, G ... Gap, M ... Seal arc region, Q ... Suction arc region, W ... Sheet-like substrate

Claims (3)

  A rotating roll body having a plurality of suction holes opened to the inner and outer peripheral surfaces of the cylindrical portion, a curved seal portion that is fitted in the cylindrical portion and faces a seal arc region on the inner peripheral surface of the cylindrical portion, and the inner In a suction roll provided with a seal / suction arc region adjustment tool having an opening facing the suction arc region on the peripheral surface and having an exhaust passage formed therein, a curved seal portion of the seal / suction arc region adjustment tool Of each of the longitudinal edges adjacent to the opening along the roll longitudinal direction is provided with a sealing device for sealing between the longitudinal edge and the inner peripheral surface of the cylindrical portion, , A flexible seal rod provided on the seal / suction arc area adjustment tool side and capable of moving back and forth toward the inner peripheral surface of the cylindrical portion, and a press provided between the seal / suction arc area adjustment tool and the seal bar And the seal surface of the seal rod is cylindrical Suction roll, characterized in that so as to slidably in pressure contact with the inner peripheral surface of the.   Each of the sealing tools includes a holder that is attached to the seal / suction arc region adjuster in an airtight state and extends in the roll longitudinal direction, and the seal rod held by the holder is protruded from the holder so as to freely advance and retract. The suction roll according to claim 1, wherein a plurality of the pressing tools are arranged at appropriate intervals along the lengthwise direction of the roll between the holder and the seal rod.   The holding tool is composed of one divided piece and the other divided piece that can be divided, and a part of the pressing tool is fitted into the pressing tool holding recess formed in one of the divided pieces, and is formed between the two divided pieces. Both split pieces are combined so that the retaining bulge portion on the opposite side of the seal surface of the stick body of the seal rod is movably fitted in the retaining groove portion with the retaining collar portion to be The suction roll according to claim 2, wherein both of the divided pieces are connected by screwing a fixing screw inserted into the fixing screw insertion of both of the divided pieces into a female screw provided in a seal / suction arc region adjusting tool.

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