JP2000500830A - Press equipment in papermaking machines - Google Patents

Abstract

(57) Abstract: A press (10) for a paper machine for pressing a web (12) is disclosed. The device (10) has a frame (14) and a wide nip module (16) detachably connected to the frame (14). A backing roll (18) is located below the module (16) and is removably connected to the frame (14). A backing roll (18) cooperates with the modules (16) to form a long press nip (20) between them through the web (12). The felt (22) passes through the press nip (20) and receives water released from the web (12) while the web (12) and the felt (22) pass through the nip (20). The looped bearing blanket (24) passes around the module (16) so that the blanket (24) is positioned between the module (16) and the felt (22) while passing through the nip (20). Has become. Positioning means (26) is disposed above module (16) and is selectively coupled to module (16) near first position (28). When the positioning means (26) is connected to the module (16), the module (16) can be removed from the backing roll (18). Link means (30) selectively extends between the frame (14) and the second position (32). The first position and the second position are separated from each other. When the positioning means (26) is connected to the module (16) in the first position and the link means (30) extends between the frame (14) and the second position, the module (16) is Pressed against a backing roll (18) to form a press nip (20). When the positioning means (26) is in the second configuration and the linking means (30) extends between the frame (14) and the second position (32), the module (16) can be mounted on the backing roll (18). ) To facilitate removal and installation of the felt (22). When the link means (30) is disconnected from the second position and the positioning means (26) is in the third configuration, the module (16) is disconnected from the first position and the module (16) is positioned. Suspended by means (26) facilitates removal and installation of the bearing blanket (24). When the positioning means (26) is disconnected from the first position, removal and installation of the module (16) is facilitated. When the positioning means (26) is in the second configuration and the link means (30) extends between the frame (14) and the second position (32) and the felt (22) is removed, the backing roll (18) Removal and installation becomes easier.

Description

DETAILED DESCRIPTION OF THE INVENTION                        Press equipment in papermaking machines 〔Technical field〕   This application is a provisional application filed on Aug. 6, 1996, USSN 60/0240. 95 complete applications.   The present invention relates to a press device for a papermaking machine.   More specifically, the invention relates to felts, bearing blankets, wide nip models. Joules and backing rolls can be selectively removed and attached To a press machine. (Background technology)   The wide nip press can remove a large amount of water from the formed web, followed by Reduce the need for thermal energy in web drying operations.   The press device according to the present invention is an inverted wide nip cooperating with a backing roll. It has a loop module. Its configuration enables sliding inside the wide nip module An arranged load press shoe cooperates with the backing roll and the web between them. And a wide press nip through which the felt passes.   By providing a wide press nip in this way, the web Increases the amount of time that water is present compared to a normal roll-to-roll press. Removed from the web.   Since the wide nip module and backing roll are huge, Removal and installation, and the press felt and loop Provide very special equipment for removing and installing the ring blanket is necessary. The press device to which the present invention is applied is equivalent to the size of a three-story house. It is an enemy.   The invention relates to press felts, bearing blankets, wide nip modules And unique equipment to facilitate selective removal and installation of blanket rolls. Is provided.   Therefore, the main object of the present invention is to provide press felt, bearing blanket, wide Selectively remove at least one of the nip module and backing roll An object of the present invention is to provide a press device that facilitates this.   Other objects and advantages of the present invention will be set forth in the following detailed description taken in conjunction with the accompanying drawings. Will be apparent to those skilled in the art. [Disclosure of the Invention]   The present invention relates to a press device in a paper machine used for pressing a web. About.   The apparatus according to the invention comprises a frame and a widespread removably connected to the frame. And a width nip module. Below the module, the frame A backing roll detachably connected to the backing roll. Same backing The roll cooperates with the module to form a wide press nip through which the web passes are doing.   Felt is used to receive water removed from the web while passing with the web. Through the press nip.   A looped bearing blanket passes around the module During the press nip, the blanket is It is configured to be placed between the racks.   Positioning means is provided above the module, and a first Selectively connected near the location. The positioning means is connected to the module Then, the module can be removed from the backing roll.   Link means selects between the frame and a second location near the module Is growing. The first position and the second position are spaced from each other. The positioning means is coupled to the module and is in a first configuration; and When the link means extends between the frame and the second position, The module is pressed against the backing roll and press nip between them To form   The positioning means is at the second position, and the link means is When extending between the second positions, the module is mounted on the backing roll. To facilitate removal and installation of the felt.   The link means is selectively disconnected from the second position; When the positioning means is in the third position, the module is moved by the positioning means. To facilitate removal and installation of the bearing blanket.   When the positioning means is selectively disconnected from the first position, the module Removal and installation of the tool.   The positioning means is in the second configuration, and the link means is If the felt extends between the second position and the second position and the felt has already been removed The removal and attachment of the backing roll is facilitated.   Many modifications and variations of this invention will become apparent to those skilled in the art from the following detailed description, taken in conjunction with the accompanying drawings. It will be obvious. Such modifications and alterations are intended to cover the scope of the present invention as set forth in the appended claims. It is included in the box. [Brief description of drawings]   FIG. 1 is a side view of a press device according to an embodiment of the present invention, and It is a side view arranged in arrangement.   FIG. 1A shows a press apparatus according to another embodiment of the present invention having a hydraulic press shoe. It is a side view.   FIG. 2 is a side view similar to FIG. 1 when the positioning means is in the second arrangement.   FIG. 3 is a side view similar to FIG. 1 when the positioning means is in the third arrangement.   FIG. 4 is a side view similar to FIG. 1 with the wide nip module removed. .   Fig. 5 shows the case where the backing roll is removed after the press felt is removed. FIG. 2 is a side view similar to FIG.   FIG. 6 is a side view when the press device of FIG. 1 is viewed from the opposite side. [Best mode for carrying out the invention]   In the accompanying drawings, like reference numerals indicate like parts.   Figures 1 to 5 show a press arrangement in a paper machine used to press a web. FIG.   As shown in FIG. 1, the press device 10 includes a frame 14 and a frame. A wide nip module 16 removably connected to the system 14. Mo A backing roll 18 is provided below the joule 16 and is attached to the frame 14. It is detachably connected. The backing roll 18 passes the web 12 Cooperates with the module 16 to form a wide press nip 20.   Felt 22, which is a kind of press felt, runs through press nip 20 While the web 12 and the felt 22 pass through the press nip 20. 12 to receive the released or removed water.   Looped with a smooth surface or with grooves or blind holes An extended bearing blanket 24 extends around module 16. B While the blanket 24 passes through the press nip 20, the blanket 24 It is configured to be disposed between the screw 16 and the felt 22.   Positioning means 26 is disposed above the module 16, and is located near the first position 28. And selectively connected to the module 16. The positioning means 26 is shown in FIG. When connected to module 16 as described, backing module 16 It can be removed from the roll 18.   Link means 3 between the frame 14 and a second position 32 near the module 16 0 is selectively extended. The first position 28 and the second position 32 are shown in FIG. So that they are separated from each other.   The positioning means 26 is connected to the module 16 and the first arrangement shown in FIG. In addition, the link means 30 is connected to the frame 14 as shown in FIG. When extended between stations 32, module 16 presses against backing roll 18. A press nip 20 is provided between the two.   As shown in FIG. 2, the positioning means 26 is in the second position in FIG. The link means 30 extends between the frame 14 and the second position 32 as shown in FIG. When the module 16 is separated from the backing roll 18 The detachment and attachment of the port 22 are facilitated. In FIG. 2, the press felt 22 is already Has been removed.   As shown in FIG. 3, the linking means 30 selectively fetches from the second position 32. When the positioning means 26 is removed and the positioning means 26 is in the third arrangement of FIG. 6 is suspended by the positioning means 26, and the bearing blanket 24 is removed. And facilitate installation.   As shown in FIG. 4, the positioning means 26 is selectively connected from the first position 28. The connection is removed and the link means 30 is removed from the module 16 as shown in FIG. This makes it easy to remove and attach the module 16.   As shown in FIG. 5, the positioning means 26 is moved to the second arrangement shown in FIGS. And the link means 30 is positioned at the second position with the frame 14 as shown in FIGS. When the felt 22 is removed as shown in FIG. Removal and attachment of the locking roll 18 are facilitated.   In one embodiment of the present invention, the wide nip module 16 comprises the wide press shoe 3. Four.   In another embodiment of the present invention, as shown in FIG. Joule 16A has a hydrostatic shoe 34A.   As shown in FIGS. 1 and 6, the backing rolls 18 cross each other. It has first and second bearing journals 36, 38 spaced in the thin direction. . FIG. 6 is a side view of the press device 10 of the present invention viewed from the opposite side to FIG.   More specifically, the first bearing housing 40 and the second bearing housing 42 The first bearing journal 36 and the second bearing journal 38 are rotatably received. Have been. The first bearing housing 40 has another bearing housing 44. Similarly, the second bearing housing 42 has a support 46 as shown in FIG. ing.   A felt roll 48 extends between the another bearing housing 44 and the support 46. You. The felt roll 48 is used to guide the felt 22 so as to guide the separate bearing housing. The support 44 is rotatably supported by the ring 44 and the support 46.   The felt 22 is disposed between the bearing blanket 24 and the web 12 .   In one embodiment of the present invention, the bearing blanket 24 includes a press blank. Lubricant to lubricate the movement of the blanket against the A closed blanket included in the blanket 50.   As is well known in the art, the bearing blanket 24 has grooves or blind holes. It may be a perforated vented blanket.   The positioning means 26 is provided with a home position communicating with the fluid pressure source 54 as shown in FIG. It has a double acting fluid pressure cylinder 52.   As shown in FIGS. 1 and 6, the positioning means 26 is a first hydraulic cylinder. 52 and a second hydraulic cylinder 58. The first fluid pressure cylinder 52 is It has an end 60 and a second end 62.   The second hydraulic cylinder 58 has a first end 64 and a second end 66. This first The end 60 and the first end 64 are rotatably connected to the frame 14. 2nd end 62 And second end 66 are selectively coupled to module 16 near first location 28. You.   When removing and attaching the blanket 24, the second end 62 is moved from the first position 28. Removed.   When removing and installing module 16, both first ends 62 and 66 are first. From the device 28.   The link means 30 has a first link 68 and a second link 70. First phosphorus The hook 68 has a first end 72 and a second end 74. The second link 70 has a first end 76 And a second end 78. Each first end 72 and 76 of links 68 and 70 is a frame 14 is rotatably connected.   Each second end 74 and 78 of the links 68 and 70 is selectively connected to the second position 32. ing.   Each second end 74 and 78 of the links 68 and 70 is connected to the second position 32 when The second position 32 is rotatably connected to the second position 32.   As shown in FIGS. 1 and 6, the pressing device includes a first yoke 80 and a second And a work piece 82.   The guide roll 84 guides the felt 22. Remove and remove felt 22 When attaching, the guide roll 84 is disposed in the first yoke 80 and the second yoke 82. And is supported rotatably, and the press felt 22 is removed and attached. So that the tension of the press felt 22 is reduced.   In the operation of the press according to the invention, before closing the nip, a vertical The damper preloads the link by applying retraction pressure to the first cylinder step. Should be given. The pressure offsets the weight of module 16 and 1000 to 1200 psi which is sufficient to preload the workpiece.   Closed wide nip press is in close mode and press drive is stopped The cylinder retraction pressure is reduced to 200-300 psi. This Such an arrangement is such that the link means 30 is in a compressed state when the device is activated. To do that. If the cylinder pressure is high, i.e. 1000-12 At a pressure of 00 psi, the link means 30 undergoes tension and compression depending on the drive load, It will cause vibration problems.   During installation and removal of the blanket, horizontal members (st ringer) supports the front of the module 16 and, in the case of a blanket mounting, Before the leveler supports the front of the module 16, it is well known in the art. The blanket should be placed on its horizontal.   The invention of this application is for mounting and removing parts of an inverted wide nip press. Provides a unique configuration for removal.

────────────────────────────────────────────────── ─── Continuation of front page    (81) Designated countries EP (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, L U, MC, NL, PT, SE), OA (BF, BJ, CF) , CG, CI, CM, GA, GN, ML, MR, NE, SN, TD, TG), AP (GH, KE, LS, MW, S D, SZ, UG, ZW), UA (AM, AZ, BY, KG) , KZ, MD, RU, TJ, TM), AL, AM, AT , AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CU, CZ, DE, DK, EE, ES, F I, GB, GE, GH, HU, IL, IS, JP, KE , KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, M X, NO, NZ, PL, PT, RO, RU, SD, SE , SG, SI, SK, SL, TJ, TM, TR, TT, UA, UG, UZ, VN, YU, ZW [Continuation of summary] It is selectively growing during (32). The first position and the second position Separated from each other. The positioning means (26) is 6) connected to the first position and the link means (30) If it extends between the frame (14) and the second position, The joule (16) is pressed against the backing roll (18) Forming a Lesnip (20). Positioning means (26) And the link means (30) is a frame (14) When extending between the second position (32) and the module (1 6) is removed from the backing roll (18) and felt (22) Removal and installation becomes easier. Link means (30) Disconnecting from the second position and positioning means (26) Is in the third position, module (16) is in the first position The module (16) is disconnected from the positioning means (26). Therefore, it is suspended and the bearing blanket (24) is removed. It is easy to install. Positioning means (26) is first When the module (16) is disconnected from the Installation becomes easy. Positioning means (26) in second position And the link means (30) is in the frame (14) and the second position. If the felt (22) has been removed while extending between (32), Easy removal and installation of the backing roll (18) You.

Claims (1)

[Claims] 1. Frame (14);     A wide nip module (16) detachably connected to the frame (14);     It is disposed below the module (16) and detached from the frame (14). Connected to the module (16) so as to pass through the web (12). Backing row cooperating with said module (16) to form a press nip (20) (18);     Water released from the web (12) while passing through the press nip (20) with the web Felt (22) passing through said press nip (20) to receive;     While passing through the press nip, the module (16) and the felt (22) A looped loop passing around said module (16) so as to be located between Alling blanket (24);     The module (16) is disposed above the module (16) and has a first It can be selectively connected near the position (28), and when connected to the module (16), Positioning to allow the joules (16) to be removed from the backing roll (18) Means (26); and     Maintain spacing from the first position near the frame (14) and the module (16). Link means (30) selectively extending between the laid second position (32);   Has,   1) the positioning means (26) is connected to the module (16) and is in a first configuration; And the link means (30) extends between the frame (14) and the second position (32). The module (16) is pressed against the backing roll (18). Forming a press nip (20) between them,   2) The positioning means (26) is connected to the module (16) and the second And the link means (30) is located between the frame (14) and the second position (32). When the module (16) extends between the felt (22) and the Removed from the backing roll (18) for easy installation,   3) while the link means (36) is selectively disconnected from the second position; ,     When the positioning means (26) is connected to the module (16) and is in the third arrangement The module (16) can be removed and removed by removing the bearing blanket (24). Suspended by the positioning means (26) for easy attachment,   4) when said positioning means (26) is selectively disconnected from said first position The removal and installation of said module (16) is facilitated,   5) The positioning means (26) is connected to the module (16) and the In the two positions, and the link means (30) is connected to the frame (14) and the second position (3 2) and the felt (22) has been removed, The removal and installation of the roll (18) is facilitated,   Used to press the web, characterized in that it is configured as Press machine for a paper machine (10). 2. The wide nip module (16) has a wide press shoe (34). The press device according to claim 1, characterized in that: 3. The wide nip module (16) has a hydraulic shoe (34A). The press device according to claim 1, wherein 4. The backing rolls (18) are spaced apart from each other in the cross-machine direction. It has a bearing journal (36) and a second bearing journal (38). The press device according to claim 1. 5. Rotating the first bearing journal (36) and the second bearing journal (38) respectively A first bearing housing (40) and a second bearing housing (42) for possible reception 5. A press according to claim 4, wherein said press is mounted on said frame (14). Equipment. 6. Said first bearing housing (40) further comprises another bearing housing (44);     Said second bearing housing (42) has a support (46);     Feltrow extending between the another bearing housing (44) and the support (46) The felt roll (48) has another shaft for guiding the felt (22). It is rotatably supported by a receiving housing (44) and the support (46). The press device according to claim 5, wherein 7. The felt (22) is placed between the bearing blanket (24) and the web (12). The press device according to claim 1, wherein the press device is disposed. 8. The blanket (24) is a closed blanket (50). 3. The press device according to range 1. 9. The returning hydraulic cylinder (52) in which the positioning means (26) is connected to a hydraulic pressure source (54). The press device according to claim 1, further comprising: Ten. The positioning means (26) comprises a first hydraulic syringe having a first end (60) and a second end (62). Da (52);     A second hydraulic cylinder (58) having a first end (64) and a second end (66);   The first end (60) and the first end (64) are rotatably connected to the frame (14). The second end (62) and the second end (66) are connected to the module near the first position (28). 2. The press according to claim 1, wherein the press is selectively connected to a table (16). Equipment. 11． During removal and installation of the blanket (24), the second end (62) is 11. The structure according to claim 10, wherein the connection is disconnected from the first position (28). Press equipment. 12． During removal and installation of the module (16), the second end (62) and the second 11. The end of claim 10, wherein said end is disconnected from said first position. The press device as described. 13. Said link means (30) comprises a first link (68) having a first end (72) and a second end (74); A second link (70) having a first end (76) and a second end (78), in front of said first link (68); The first end (72) and the first end (76) of the second link (70) rotate on the frame (14). And the second end (74) of the first link (68) is connected to the second link (70). The second ends (78) are each selectively connected to the second position (32). The press device according to claim 1, wherein 14. The second end (74) of the first link (68) and the second end (7 8) is rotatably connected to the second position (32) when the second position (32) is connected to the second position (32). The press device according to claim 13, wherein the pressing is performed. 15． A first yoke (80) and a second yoke (82);     A guide roll (84) for guiding the felt (22);     During removal and installation of the felt (22), the guide roll (84) It is arranged in the first yoke (80) and the second yoke (82) and rotatably supported. The press device according to claim 1, wherein