JP7061821B1 - Frame opening device for paper machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and quickly move a movable frame from between upper and lower frames in a frame opening device of a paper machine, and to make it possible to form an open space between the upper and lower frames. SOLUTION: In a frame opening device 100 of a paper machine 1, an actuator 40 for driving the movable frame 13 is provided, and the actuator 40 opens the movable frame 13 while the upper frame 11 is lifted. It is built into the space A so as to be stretched at the built-in completion position P1 between the upper and lower frames 11 and 12, and the stretched state is eliminated so that the space A can be detached from the built-in completion position P1 to the outside of the open space A. The movable frame 13 detached from the assembly completion position P1 in the open space A can be positioned at the detachment completion position P2 outside the tool attachment / detachment work area B facing the open space A. [Selection diagram] Fig. 7

Description

The present invention relates to a frame opening device for a paper machine for replacing endless circular tools such as wires and felt used in a wire part or a press part of the paper machine.

In the frame opening device of a conventional paper machine, as described in Patent Document 1, a movable frame (block) provided between the upper and lower frames of the paper machine is moved from between the upper and lower frames, and the upper and lower frames thereof are moved. An open space is formed between the frames, and endless circular tools used in the paper machine can be attached to and detached from the open space inside and outside the frames above and below them.

The frame opening device of the paper machine described in Patent Document 1 lifts the upper frame by a hydraulic jack, and then lifts the movable frame from the upper surface of the lower frame by further jacking up the hydraulic jack to float it between the upper and lower frames. In this state, the movable frame is rotated 90 degrees, the movable frame is moved outward from between the upper and lower frames to form an open space between the frames, and then the movable frame is moved to the open space by a hydraulic jack. Lower the tool to the outside of the work area for attaching and detaching the equipment. The tools are taken in and out of the upper and lower frames from the tool attachment / detachment work area via the open space, and the tools are exchanged.

Jitsukaihei 5-35897 Gazette

The frame opening device of the paper machine described in Patent Document 1 lifts the upper frame and then moves the movable frame from between the upper and lower frames to the outside of the tool attachment / detachment work area that does not interfere with the tool change by the hydraulic jack. Yes, labor can be saved.

However, in the frame opening device of the paper machine described in Patent Document 1, the movable frame is lifted from the upper surface of the lower frame prior to rotating the movable frame 90 degrees between the upper and lower frames and moving the movable frame outward. Must float between the upper and lower frames. Therefore, the steps required to move the movable frame from between the upper and lower frames and to form an open space between the upper and lower frames are complicated.

An object of the present invention is to make it possible to easily and quickly move a movable frame from between the upper and lower frames and form an open space between the upper and lower frames in a frame opening device of a paper machine.

The invention according to claim 1 is to move a movable frame provided between the upper and lower frames of the paper machine from between the upper and lower frames to form an open space between the upper and lower frames of the paper machine. In a frame opening device of a paper machine that allows an endless circular tool used in a paper machine to be attached to and detached from the open space inside and outside the upper and lower frames, the actuator has an actuator for driving the movable frame. With the frame lifted, the movable frame is assembled into the open space so as to be stretched at the assembly completion position between the upper and lower frames, and the tension state is eliminated to eliminate the tension from the assembly completion position. The movable frame that can be detached from the open space and is detached from the built-in completion position in the open space can be positioned at the detachment completion position outside the tool attachment / detachment work area facing the open space. The frame consists of a first link in which one end is connected to each of both sides of one of the upper and lower frames to form a pair, and a second link in which one end is connected to the other ends of both first links to form a pair. It is composed of a frame member which is configured to have a connecting link which is connected so as to be bridged between the other ends of both second links and which can be expanded and contracted up and down. It is configured to be switched between the built-in completion position where the frame is stretched between the frames and the detachment completion position outside the open space .

The invention according to claim 2 is the invention according to claim 1, further, the frame member of the movable frame has the connecting link seated on the other of the upper and lower frames at the assembly completion position, and each first. One end of the link and one of the frames above and below them are abutted in the vertical direction, the other end of each first link and one end of each second link are abutted in the vertical direction, and each second link is abutted. By abutting the other end portion of the above and the connecting link in the vertical direction, a compressive load carrying means for carrying the compressive load between the upper and lower frames thereof is provided .

According to the third aspect of the present invention, a movable frame provided between the upper and lower frames of the paper making machine is moved from between the upper and lower frames to form an open space between the upper and lower frames of the paper making machine. In the frame opening device of the paper making machine that allows the endless circular tool used in the above to be attached and detached from the open space to the inside and outside of the upper and lower frames, the actuator has an actuator for driving the movable frame. With the frame lifted, the movable frame is assembled into the open space so as to be stretched at the mounting completion position between the upper and lower frames, and the stretched state is eliminated from the mounting completion position. The movable frame that can be detached from the open space can be detached from the built-in completion position in the open space, and the movable frame can be positioned at the detachment completion position outside the tool attachment / detachment work area facing the open space. The frame is composed of a frame member that can be moved up and down by an actuator supported on one of the upper and lower frames and can be expanded and contracted in the horizontal direction orthogonal to the vertical direction, and the upper and lower frames in the open space by the actuator. It is set to switch between the built-in completion position where the frame is stretched between the frames and the detachment completion position outside the open space .

The invention according to claim 4 further relates to the invention according to claim 3 , wherein the frame member of the movable frame is locked to a locking portion provided on both the upper and lower frames at the assembly completion position. It is provided with a load-carrying means for carrying both a tensile load and a compressive load between the upper and lower frames .

(Claims 1 , 3 )
(a) The operation of incorporating / detaching the movable frame into the open space formed between the upper and lower frames is performed depending on whether or not the movable frame is stretched between the upper and lower frames. It is simple and quick because it is not intended to move the movable frame in and out between the upper and lower frames by rotating the movable frame 90 degrees while floating the movable frame from the upper surface of the lower frame.

(b) The actuator stretches the movable frame between the upper and lower frames and incorporates it into the open space, eliminates the stretched state so that it can be detached from the open space, and further detaches from the open space. Allows the frame to be positioned outside the tool attachment / detachment work area.

Therefore, the operation of detaching the movable frame from the open space by the actuator and the operation of positioning the detached movable frame outside the tool attachment / detachment work area can be continuously performed, which is simple and quick.

Further, the operation of incorporating the movable frame from outside the tool attachment / detachment work area by the actuator into the open space can be continuously performed, which is simple and quick.

(Claim 1 )
(c) The switching operation from the movable frame assembly complete position to the detachment complete position by the expansion / contraction operation from the movable frame assembly complete position to the detachment complete position by the actuator is simple and quick due to the simple mechanical structure. Will be done.

In addition, by expanding / contracting the movable frame from the detachment complete position to the assembly complete position by the actuator, the switching setting operation from the detachment complete position of the movable frame to the assembly complete position can be easily and quickly performed by the simple mechanical structure. Will be done.

(Claim 2 )
(d) The frame member of the movable frame seats the connecting link on the other of the upper and lower frames at the assembly completion position, and abuts one end of each first link and one of the upper and lower frames in the vertical direction. By abutting the other end of each first link and one end of each second link in the vertical direction, and abutting the other end of each second link and the connecting link in the vertical direction. A compression load carrying means for carrying a compressive load between the upper and lower frames is provided. As a result, when the movable frame is incorporated in the open space between the upper and lower frames, the upper and lower frames and the movable frame are integrated in the compression direction, and the rigidity of the entire frame consisting of these three is integrated. It is possible to easily and surely carry the compressive load between the upper and lower frames.

(Claim 3 )
(e) A simple machine that switches from the movable frame assembly complete position to the detachment complete position by the lateral expansion / contraction operation from the movable frame assembly complete position to the detachment complete position and the elevating operation by the actuator. The structure makes it simple and quick.

In addition, by moving the movable frame from the detachment complete position to the assembly complete position by the actuator and expanding / contracting in the lateral direction, the switching setting operation from the detachment complete position of the movable frame to the assembly complete position is a simple mechanical operation. The structure makes it simple and quick.

(Claim 4 )
(f) The frame member of the movable frame is locked to the locking portions provided on both the upper and lower frames at the assembly completion position, and carries both the tensile load and the compressive load between the upper and lower frames. A carrying means is provided. As a result, when the movable frame is incorporated in the open space between the upper and lower frames, the upper and lower frames and the movable frame are integrated in the tensile and compressive directions, and the entire frame consisting of these three members is integrated. The rigidity of the frame can be improved, and the tensile load and the compressive load between the upper and lower frames can be easily and surely supported.

1A and 1B show a main part of a paper machine, FIG. 1A is a side view showing a state in which a movable frame is incorporated, and FIG. 1B is a side view showing a state in which the movable frame is detached. 2A and 2B show a main part of a paper machine, FIG. 2A is a front view showing a state in which a movable frame is incorporated, and FIG. 2B is a front view showing a state in which the movable frame is detached. FIG. 3 is a cross-sectional view of a main part showing a cantilever pressing device. FIG. 4 is a schematic perspective view showing a state in which a movable frame is incorporated by an actuator. FIG. 5 is a schematic perspective view showing a state in which the movable frame is detached by the actuator. FIG. 6 is a schematic side view showing a state in which a movable frame is incorporated by an actuator. FIG. 7 is a schematic side view showing a state in which the movable frame is detached by the actuator. FIG. 8 is a schematic front view showing a state in which a movable frame is incorporated by an actuator. FIG. 9 is a schematic front view showing a state in which the movable frame is detached by the actuator. FIG. 10 is a schematic side view showing a state in which a movable frame is incorporated by an actuator. FIG. 11 is a schematic side view showing a state in which the movable frame is attached to and detached from the built-in position by the actuator. FIG. 12 is a schematic side view showing a state in which the movable frame is detached by the actuator.

1 and 2 schematically show the main parts of the wire part (or press part) 2 of the paper machine 1, and are supported by the drive side frame 3 and the operation side frame 4 installed on the floor surface. A tool transport section 2A made of a large number of rolls or the like is provided on the gantry 5, and an endless circular tool W such as a wire (or felt) is stretched around the tool transport section 2A.

In the present specification, the traveling direction of the wire W circulating in the press part 2 of the paper machine 1 on the tool transporting portion 2A is the front, and the opposite direction is the rear. Further, the plate width direction of the wire W orthogonal to the circumferential direction of the wire W in the wire part 2 of the paper machine 1 is defined as the left-right direction.

The paper machine 1 is configured to include an operation-side frame 4 including upper and lower frames 11 and 12 and a movable frame 13 that is temporarily detachable from between the upper and lower frames 11 and 12. Has been done. The movable frame 13 is composed of a frame member that can be incorporated in a stretched state between the lower portion of the upper frame 11 and the upper portion of the lower frame 12 when the operation side frame 4 is configured together with the upper and lower frames 11 and 12. Has been done.

When the old and new tools W are replaced, the paper machine 1 eliminates the tension state of the movable frame 13 provided between the upper and lower frames 11 and 12 of the operation side frame 4 from between the upper and lower frames 11 and 12. It is separated to form an open space A between the upper and lower frames 11 and 12, and the endless circular tool W is attached to and detached from the open space A inside and outside the upper and lower frames 11 and 12, and thus the tool. W can be replaced around the tool transport unit 2A.

The paper machine 1 is provided with a cantilever 6 that is horizontally connected to the drive side frame 3 and the upper frame 11 of the operation side frame 4 in a penetrating manner, and the end portion of the cantilever 6 that projects from the drive side frame 3 to the drive side. The overhanging side end of the cantilever 6 can be pushed down by the pressing device 8 provided on the fixed frame 7 erected around the cantilever. As shown in FIG. 3, the pressing device 8 rotates the feed screw 8C screwed into the fixing nut 7A provided on the fixed frame 7 via the speed reducer 8B or the like to rotate the feed screw 8C by rotating the rotational force of the motor 8A. A pushing force is applied to the pressed portion 6A provided on the upper surface of the overhanging side end portion of the cantilever 6 by the tip pressing portion 8D of the 8C. As a result, the cantilever 6 can lift the operation side end portion with the drive side frame 3 as a fulcrum, and the upper frame 11 of the operation side frame 4 connected to the operation side end portion of the cantilever 6 can be easily lifted without manual operation. A gap is formed between the upper frame 11 and the movable frame 13 so that the movable frame 13 can be detached from between the upper and lower frames 11 and 12 as described above.

Hereinafter, the frame opening device 100 for easily and quickly detaching the movable frame 13 from between the upper and lower frames 11 and 12 will be described in detail.

As shown in FIGS. 4 to 9, the frame opening device 100 has a first movable frame 20 that is vertically displaced in a pair of upper and lower frames and a pair of left and right frames that are displaced in the horizontal direction between the upper and lower frames 11 and 12. The second movable frame 30 is provided, and these first and second movable frames 20 and 30 are referred to as the above-mentioned movable frame 13.

The frame opening device 100 has an actuator 40 that moves the first and second movable frames 20, 30. The actuator 40 is installed inside the upper frame 11. The actuator 40 has an open space A between the upper and lower frames 11 and 12, respectively, with the first movable frame 20 and the second movable frame 30 under the state where the pressing device 8 lifts the upper frame 11 via the cantilever 6. On the other hand, it is assembled so as to be stretched at the assembly completion positions P1 and P1 (FIGS. 4, 6 and 8) between the upper and lower frames 11 and 12, and the tension state is eliminated to complete the assembly position. It is possible to leave P1 and P1 outside the open space A. Further, the actuator 40 is a tool attachment / detachment work in which each of the first and second movable frames 20 and 30 separated from the assembly completion position P1 in the open space A faces the open space A from the horizontal direction to the outside. It is possible to position it at the departure completion positions P2 and P2 (FIGS. 7 and 9) outside the region B (upper in the present embodiment).

(Structure of the first movable frame 20)
Specifically, as shown in FIGS. 4 to 7, the first movable frame 20 is composed of a frame member 20F swingably pin-coupled to one of the upper and lower frames 11 and 12 (upper frame 11 in this embodiment). , The assembly complete position P1 (FIGS. 4 and 6) stretched between the upper and lower frames 11 and 12 in the open space A by the actuator 40, and the detachment complete position P2 (FIGS. 5 and 7) outside the open space A. It is switched to.

The frame member 20F of the first movable frame 20 is configured to have front and rear plate-shaped links 21 and 21 in which upper end portions are connected to each of the front and rear side portions of the lower portion of the upper frame 11 to form a pair.

At this time, the actuator 40 is composed of a cylinder device 41 supported by the upper frame 11, and one end of a pair of front and rear drive links 22 is pin-coupled to each of the front and rear side portions of the mounting head 42 provided at the tip of the piston rod. , The intermediate portion in the length direction of each of the plate-shaped links 21 is pin-coupled to the other end of those drive links 22. As a result, when the actuator 40 changes from the contracted state to the extended state, as shown in FIG. 6, the plate-shaped link 21 of the frame member 20F is outward to the open space A between the upper and lower frames 11 and 12 via the drive link 22. (The lower end of the plate-shaped link 21 abuts on the upper part of the lower frame 12 to be in a stretched state), and the plate-shaped link 21 is set to the assembly completion position P1. When the actuator 40 changes from the extended state to the contracted state, as shown in FIG. 7, the plate-shaped link 21 is swung so as to be detached outward from the open space A between the upper and lower frames 11 and 12, and the detached complete position P2. Is set to.

The frame member 20F of the first movable frame 20 is provided with an engaging hole 23A constituting the tensile load supporting means 23 on the lower end side of each plate-shaped link 21. The tensile load supporting means 23 (engagement hole 23A) of the first movable frame 20 is a locking portion protruding outward from both front and rear portions of the upper end portion of the lower frame 12 at the assembly completion position P1 shown in FIG. Locked to 24, it makes it possible to carry a tensile load acting between the frames 11 and 12 above and below them.

(Structure of the second movable frame 30)
Specifically, as shown in FIGS. 4, 5, 8 and 9, the second movable frame 30 is pin-coupled to one of the upper and lower frames 11 and 12 (upper frame 11 in the present embodiment) and is vertically connected to the upper and lower frames. It consists of a frame member 30F that can be expanded and contracted, and has an assembly completion position P1 (FIGS. 4 and 8) that is stretched between the upper and lower frames 11 and 12 in the open space A by an actuator 40, and a detachment completion position P2 (FIG. 4) outside the open space A. It is switched and set to 5 and FIG. 9).

The frame member 30F of the second movable frame 30 has left and right plate-shaped first links 31 and 31 in which the upper ends are pin-coupled to each of the left and right side portions of the lower portion of the upper frame 11, and both first links. A plate-like structure in which one end is connected to the other ends of 31 and 31 to form a pair of left and right second links 32 and 32, and the other ends of both second links 32 and 32 are connected so as to be bridged. It is configured to have a connecting link 33 of the above.

At this time, the actuator 40 pin-couples one end of a pair of left and right drive links 34, 34 to each of the left and right side portions of the mounting head 42 provided at the tip of the piston rod, and other than those drive links 34, 34. The connecting portion of the first link 31 and the second link 32 is pin-bonded to the end portion. As a result, when the actuator 40 changes from the contracted state to the extended state, as shown in FIG. 8, the first link 31 and the second link 32 of the frame member 30F are outside the open space A between the upper and lower frames 11 and 12. It is swung so as to be incorporated inward from the side (the first and second links 31 and 32 are arranged in a straight line with each other, and the connecting link 33 is in a stretched state in which the connecting link 33 is seated on the upper part of the lower frame 12). , Is set to the installation completion position P1. When the actuator 40 changes from the extended state to the contracted state, as shown in FIG. 9, the first link 31 and the second link 32 of the frame member 30F are outwardly separated from the open space A between the upper and lower frames 11 and 12. It is swung to and set to the departure completion position P2.

The frame member 30F of the second movable frame 30 has a compressive load supporting means 35. That is, in the frame member 30F, as shown in FIG. 8, when the first link 31 and the second link 32 are arranged in a straight line at the assembly completion position P1 and the connecting link 33 is seated on the upper part of the lower frame 12. , The upper end abutting portion 31a of the first link 31 and the abutting portion 11a of the upper frame 11 are abutted in the vertical direction around their connecting pins a, and the lower end abutting portion 31b of the first link 31 and the second The upper end abutting portion 32b of the link 32 is abutted in the vertical direction around the connecting pin b, and the lower end abutting portion 32c of the second link 32 and the abutting portion 33c of the connecting link 33 are abutted with their connecting pins. Around c, they are abutted in the vertical direction, and as a result, the compressive load acting between the upper and lower frames 11 and 12 can be carried.

The operation of the frame opening device 100 using the first and second movable frames 20 and 30 is as follows.

(1) When the actuator 40 is in the extended state, the frame members 20F and 30F of the first and second movable frames 20 and 30 are set at the assembly completion position P1 and are set between the upper and lower frames 11 and 12. It carries a tension and a tensile and compressive load acting between the upper and lower frames 11 and 12.

At this time, in the paper machine 1, the drive-side frame 3 and the operation-side frame 4 (the drive-side frame 3 and the operation-side frame 4 ( It is supported by the upper and lower frames 11, 12 and the movable frame 13) and is normally operated.

(2) When the actuator 40 is in the contracted state, the frame members 20F and 30F of the first and second movable frames 20 and 30 are switched from the assembly completion position P1 to the detachment completion position P2, and the upper and lower frames are set. The tension state between 11 and 12 is eliminated, an open space A is formed, and a tool attachment / detachment work area B facing the open space A is formed outside the open space A in the horizontal direction.

At this time, in the paper machine 1, the old and new wires W are attached and detached from the tool attachment / detachment work area B through the open space A to the inside and outside of the upper and lower frames 11 and 12, and around the tool transfer portion 2A in the wire part 2. Will be replaced with.

The actuator 40 for expanding and contracting the frame members 20F and 30F of the first and second movable frames 20 and 30 is composed of a motor-driven feed screw device or the like instead of the cylinder device 41, and is a screw of the feed screw device. The drive links 22 and 34 of the frame members 20F and 30F may be connected to a mounting head provided on a rod or the like.

Therefore, according to the frame opening device 100, the following effects are obtained.
(a) The operation of incorporating / detaching the movable frame 13 (first and second movable frames 20 and 30) with respect to the open space A formed between the upper and lower frames 11 and 12 causes the movable frame 13 to be incorporated / detached from the movable frame 13. This is performed depending on whether or not the movable frame 13 is stretched between the upper and lower frames 11 and 12, and the movable frame 13 is rotated 90 degrees with the movable frame 13 floating from the upper surface of the lower frame 12, and the movable frame 13 is rotated. Since it is not moved in and out between the upper and lower frames 11 and 12, it is simple and quick.

(b) The actuator 40 stretches the movable frame 13 between the upper and lower frames 11 and 12 to be incorporated in the open space A, and eliminates the stretched state so that the movable frame 13 can be detached from the open space A. The movable frame 13 detached from the open space A can be positioned outside the tool attachment / detachment work area B.

Therefore, the operation of detaching the movable frame 13 from the open space A by the actuator 40 and the operation of positioning the detached movable frame 13 outside the tool attachment / detachment work area B can be continuously performed, which is simple and quick.

Further, the operation of incorporating the movable frame 13 from the outside of the tool attachment / detachment work area B into the open space A by the actuator 40 can be continuously performed, and is simple and quick.

(c) By swinging the first movable frame 20 from the assembly complete position P1 to the detachment complete position P2 by the actuator 40, the switching setting operation from the assembly complete position P1 of the first movable frame 20 to the detachment complete position P2 can be performed. The simple mechanical structure makes it easy and quick.

Further, by the swing operation from the detachment completion position P2 of the first movable frame 20 to the assembly completion position P1 by the actuator 40, the switching setting operation from the detachment completion position P2 of the first movable frame 20 to the assembly completion position P1 can be performed. The simple mechanical structure makes it easy and quick.

(d) The frame member 20F of the first movable frame 20 is locked to the locking portion provided on the other side of the upper and lower frames 11 and 12 at the assembly completion position P1, and is between the upper and lower frames 11 and 12. A tensile load supporting means 23 for supporting a tensile load is provided. As a result, when the first movable frame 20 is incorporated in the open space A between the upper and lower frames 11 and 12, the upper and lower frames 11 and 12 and the first movable frame 20 are integrated in the tensile direction. It becomes a thing, the rigidity of the whole frame composed of those three is improved, and the tensile load between the frames 11 and 12 above and below them can be easily and surely supported.

(e) By expanding / contracting the second movable frame 30 from the assembly complete position P1 to the detachment complete position P2 by the actuator 40, the switching setting operation from the assembly complete position P1 of the second movable frame 30 to the detachment complete position P2 can be performed. The simple mechanical structure makes it easy and quick.

Further, by the expansion / contraction operation from the detachment completion position P2 of the second movable frame 30 to the assembly completion position P1 by the actuator 40, the switching setting operation from the detachment completion position P2 of the second movable frame 30 to the assembly completion position P1 can be performed. The simple mechanical structure makes it easy and quick.

Hereinafter, an embodiment in which the first and second movable frames 20 and 30 constituting the movable frame 13 of the frame opening device 100 described above are changed to the movable frame 50 will be described. At this time, the frame opening device 100 has an actuator 60 for driving the movable frame 50. The actuator 60 is installed inside the upper frame 11.

The actuator 60 uses the movable frame 50 with respect to the open space A between the upper and lower frames 11 and 12 while the pressing device 8 lifts the upper frame 11 via the cantilever 6. It is assembled so as to be stretched at the built-in completion position P1 (FIG. 10) in between, and the stretched state is eliminated so that the built-in complete position P1 is separated from the open space A (FIG. 11). Further, the actuator 60 is outside the tool attachment / detachment work area B (upper in the present embodiment) in which the movable frame 60 detached from the assembly completion position P1 in the open space A faces the open space A from the outside in the horizontal direction. It is possible to position it at the detachment completion position P2 (FIG. 12).

Specifically, the movable frame 50 is composed of a frame member 50F that can be moved up and down by an actuator 60 supported by the upper frame 11 and can be expanded and contracted in the lateral direction (front-back direction) orthogonal to the vertical direction. By 60, the assembly complete position P1 (FIG. 10) stretched between the upper and lower frames 11 and 12 in the open space A and the detachment complete position P2 (FIG. 12) outside the open space A are switched and set.

The frame member 50F of the movable frame 50 is provided along each of the front and rear (left and right) side portions in the lower part of the upper frame 11 and the upper part of the lower frame 12, and forms a pair of front and rear (left and right) plates. It is configured to have links 51 and 51.

At this time, the actuator 60 is composed of a cylinder device 61 supported by the upper frame 11 and vertically arranged, and a pair of upper and lower drive links 52 are provided on both front and rear portions of the upper portion of the mounting head 62 provided at the tip of the piston rod. One end of each plate-shaped link 51 is pin-coupled to the other end of the upper drive link 52, and the upper intermediate portion of each plate-shaped link 51 is pin-coupled. Further, one end of a pair of front and rear lower drive links 53 is pin-coupled to each of the front and rear side portions in the lower portion of the mounting head 62, and the lower end intermediate portion of each plate-shaped link 51 is connected to the other end of the lower drive link 53. Is pin-bonded. The front side plate-shaped link 51, drive link 52, drive link 53 and mounting head 63 form a front side parallelogram link 54, and are mounted with each rear side plate-shaped link 51, drive link 52, drive link 53. The head 62 forms a rear parallelogram link 54. The front and rear parallelogram links 54 have the same shape, and the plate-shaped links 51 constituting the frame member 50F always maintain a vertical posture.

Further, when the mounting head 62 of the actuator 60 is rotated around the mounting pins e and e with the mounting head 62, the front and rear lower drive links 53 in the frame member 50F of the movable frame 50 are rotated at two front and rear positions on the lower surface. A horizontal maintenance stopper 62A that abuts with the lower surface of the lower drive link 53 is provided so as to prevent the end portion of the lower drive link 53 near the plate-shaped link 51 from being displaced below the horizontal. When the upper and lower drive links 52 and 53, which are lifted to the side of the upper frame 11 by the actuator 60 in the contracted state and are pin-coupled to the mounting head 61 of the cylinder device 61, are rotated by the weight of the plate-shaped link 51, they are lowered. The drive link 53 abuts on the above-mentioned horizontal maintenance stopper 62A and is held in a horizontal position (FIGS. 11 and 12).

The frame member 50F of the movable frame 50 is provided with a lowering limit stopper 51A at the lower part of the side surface of the plate-shaped link 51 on the front side facing the inside of the open space A. When the actuator 60 extends and the frame member 50F descends in the vertical direction, the lowering limit stopper 51A of the plate-shaped link 51 hits the upper part of the lower frame 12, and then the actuator 60 further expands, the frame member 50 becomes this. The mounting head 62 that descends by means of the upper and lower drive links 52 and 53 keeps the plate-shaped links 51 on both sides in the vertical position and contracts the distance between them inward in the lateral direction (front-back direction). As a result, the plate-shaped links 51 on both sides are attracted to the inside of the open space A, and eventually are incorporated into the assembly completion position P1 inside the open space A. When the plate-shaped links 51 on both sides are set at the assembly completion position P1, their spacing is narrowed to W1 (FIG. 10).

On the other hand, when the actuator 60 contracts and the mounting head 52 rises up and down from the state where the plate-shaped links 51 on both sides are at the assembly completion position P1, the lowering limit stopper 51A of the plate-shaped links 51 slides on the upper part of the lower frame 12. In the frame member 50F, the mounting head 62 raised by the mounting head 62 is interposed via the upper and lower drive links 52 and 53, and keeps the plate-shaped links 51 on both sides in the vertical position, and keeps their distances outward in the lateral direction (front-back direction). Expand toward.

The distance W2 between the plate-shaped links 51 on both sides when the actuator 60 is in the extended state, whereas the distance W2 between the plate-shaped links 51 on both sides when the actuator 60 contracts and the plate-shaped link 51 is set at the detachment completion position P2. Is W1 <W2 (FIG. 12).

The frame member 50F of the movable frame 50 narrows the distance between the plate-shaped links 51 on both sides to the above-mentioned W1 when the assembly completion position P1 is set as described above. At this time, the plate-shaped link 51 of the frame member 50F includes a load-carrying means 63 that carries both a tensile load and a compressive load between the upper and lower frames 11 and 12. The load-carrying means 63 is composed of engagement holes 63A and 63B provided above and below the plate-shaped link 51, and has open spaces in the upper and lower convex locking portions 11A and 12A provided on both the upper and lower frames 11 and 12. You can disengage from the outside of A. When the upper and lower engaging holes 63A and 63B of the plate-shaped link 51 engage with the locking portions 11A and 12A of the upper and lower frames 11 and 12, the tensile load and the compressive load acting between the upper and lower frames 11 and 12 are applied. It is possible to support both of them.

The operation of the frame opening device using the movable frame 50 is as follows.
(1) When the actuator 60 is in the extended state, the frame member 50F of the movable frame 50 is set at the assembly completion position P1 and stretches between the upper and lower frames 11 and 12, and acts between the upper and lower frames 11 and 12. Carry a tensile load and a compressive load.

At this time, in the paper machine 1, the drive side frame 3 and the operation side frame 4 (upper and lower) are provided with a pedestal 5 provided with a tool transport portion 2A or the like on which the wire W replaced with the wire part 2 is stretched. It is supported by the frames 11 and 12 of the above and the movable frame 13) and is normally operated.

(2) When the actuator 60 is in the contracted state, the frame member 50F of the movable frame 50 is set to switch from the assembly completion position P1 to the detachment completion position P2, and the tension state between the upper and lower frames 11 and 12 is eliminated. The open space A is formed, and the tool attachment / detachment work area B facing the open space A is formed at the outer side in the horizontal direction with respect to the open space A.

At this time, in the paper machine 1, the old and new wires W are attached and detached from the tool attachment / detachment work area B through the open space A to the inside and outside of the upper and lower frames 11 and 12, and are replaced around the wire part 2A.

The actuator 60 for expanding and contracting the frame member 50F of the movable frame 50 may be a motor-driven feed screw device or the like, as in the above embodiment.

Therefore, according to the frame opening device 100, the following effects are obtained.
(a) In the operation of incorporating / detaching the movable frame 13 (movable frame 50) into the open space A formed between the upper and lower frames 11 and 12, the movable frame 13 is placed between the upper and lower frames 11 and 12. This is done depending on whether or not the movable frame 13 is stretched, and the movable frame 13 is rotated 90 degrees with the movable frame 13 floating from the upper surface of the lower frame, and the movable frame 13 is moved inside and outside between the upper and lower frames 11 and 12. It is simple and quick because it is not moved to.

(b) The actuator 60 stretches the movable frame 13 between the upper and lower frames 11 and 12 to be incorporated in the open space A, and eliminates the stretched state so that the movable frame 13 can be detached from the open space A. The movable frame 13 separated from the open space A can be positioned outside the tool attachment / detachment work area B.

Therefore, the actuator 60 can continuously perform the operation of separating the movable frame 13 from the open space A and the detached movable frame 13 to the outside of the tool attachment / detachment work area B, which is simple and quick.

Further, the operation of incorporating the movable frame 13 from the outside of the tool attachment / detachment work area B into the open space A by the actuator 60 can be continuously performed, and is simple and quick.

(c) Switching setting from the assembly complete position P1 of the movable frame 50 to the detachment complete position P2 by lateral expansion / contraction and elevating operation from the assembly complete position P1 of the movable frame 50 to the detachment complete position P2 by the actuator 60. The operation is simple and quick due to the simple mechanical structure.

Further, a switching setting operation from the detachment completion position P2 of the movable frame 50 to the assembly completion position P1 by moving up and down from the detachment completion position P2 of the movable frame 50 to the assembly completion position P1 by the actuator 60 and expanding / contracting in the lateral direction. However, the simple mechanical structure makes it simple and quick.

(d) The frame member 50F of the movable frame 50 is locked to the locking portions 11A and 12A provided on both the upper and lower frames 11 and 12 at the assembly completion position P1, and is between the upper and lower frames 11 and 12. The load-carrying means 63 (engagement holes 63A, 63B) for carrying both the tensile load and the compressive load of the above are provided. As a result, when the movable frame 50 is incorporated in the open space A between the upper and lower frames 11 and 12, the upper and lower frames 11 and 12 and the movable frame 50 are integrated in the tensile and compressive directions. Therefore, the rigidity of the entire frame composed of these three can be improved, and the tensile load and the compressive load between the frames 11 and 12 above and below them can be easily and surely supported.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like within a range not deviating from the gist of the present invention. Included in the present invention.

According to the present invention, in a frame opening device of a paper machine, a movable frame can be easily and quickly moved from between the upper and lower frames, and an open space can be formed between the upper and lower frames.

1 Paper machine 11 Upper frame 12 Lower frame 12L Connecting link 13 Movable piece 20 First movable frame 20F Frame member 21 Plate-shaped link 23 Tension load supporting means 30 Second movable frame 30F Frame member 31 First link 32 Second link 33 Connecting Link 35 Compressed load supporting means 40 Actuator 50 Movable frame 50F Frame member 51 Plate-shaped link 60 Actuator 63 Load supporting means A Open space B Tool attachment / detachment work area P1 Installation completion position P2 Detachment completion position

Claims (4)

A movable frame provided between the upper and lower frames of the paper machine is moved from between the upper and lower frames to form an open space between the upper and lower frames, and an endless circular tool used in the paper machine. In the frame opening device of the paper machine that allows the paper machine to be attached and detached from the open space to the inside and outside of the upper and lower frames.
It has an actuator to drive the movable frame and has an actuator.
The actuator is
In the state where the upper frame is lifted, the movable frame is assembled so as to be stretched in the open space at the assembly completion position between the upper and lower frames, and the tension state is eliminated to eliminate the assembly completion position. Allows you to leave from outside the open space
The movable frame detached from the assembly completion position in the open space can be positioned at the detachment completion position outside the tool attachment / detachment work area facing the open space .
The movable frame has a first link in which one end is connected to each of both side portions of one of the upper and lower frames to form a pair, and a pair in which one end is connected to the other ends of both first links. It is composed of two links and a connecting link that is connected so as to be bridged between the other ends of both second links, and is composed of a frame member that can be expanded and contracted up and down. A frame opening device for a paper machine, characterized in that it is switched between a built-in completion position in which the upper and lower frames are stretched and a detachment completion position outside the open space . The frame member of the movable frame seats the connecting link on the other of the upper and lower frames at the assembly completion position, and one end of each first link and one of the upper and lower frames thereof are vertically oriented. Abutment is performed so that the other end of each first link and one end of each second link are abutted in the vertical direction, and the other end of each second link and the connecting link are abutted in the vertical direction. The frame opening device for a papermaking machine according to claim 1, further comprising a compressive load carrying means for carrying a compressive load between the upper and lower frames . A movable frame provided between the upper and lower frames of the paper machine is moved from between the upper and lower frames to form an open space between the upper and lower frames, and an endless circular tool used in the paper machine. In the frame opening device of the paper machine that allows the paper machine to be attached and detached from the open space to the inside and outside of the upper and lower frames.
It has an actuator to drive the movable frame and has an actuator.
The actuator is
In the state where the upper frame is lifted, the movable frame is assembled so as to be stretched in the open space at the assembly completion position between the upper and lower frames, and the tension state is eliminated to eliminate the assembly completion position. Allows you to leave from outside the open space
The movable frame detached from the assembly completion position in the open space can be positioned at the detachment completion position outside the tool attachment / detachment work area facing the open space.
The movable frame is composed of a frame member that can be moved up and down by an actuator supported on one of the upper and lower frames and can be expanded and contracted in the lateral direction orthogonal to the vertical direction, and the movable frame is supported by the actuator in the open space. A frame opening device for a papermaking machine, characterized in that it is switched between a built-in completion position that stretches between the upper and lower frames and a detachment completion position outside the open space . The frame member of the movable frame is locked to the locking portions provided on both the upper and lower frames at the assembly completion position, and carries both the tensile load and the compressive load between the upper and lower frames. The frame opening device for a paper machine according to claim 3 , further comprising a load-bearing means .

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