JPH0231804A - Filter press - Google Patents

Abstract

PURPOSE:To remove effectively filter residue having stuck to a filter cloth by spreading a pair of filter cloths toward outside from the inside of the filter cloths attached to before and behind a filter plate, and exerting vibration to said filter cloths. CONSTITUTION:Feed liquid is filtered by feeding the liquid to between a pair of confronting filter cloths 5, 5 between adjacent filter plates 1, 1. After completing a filtration stage, the filter plate 1 is moved to a specified position, then a rotating rod 10 is rotated manually or by a vibrating means. Thus, oscillating rods 11, 12 connected by arms 7, 7 are rotated between the pair of filter cloths 5, 5 counterclockwise. The oscillating rods 11, 12 hit the inside surface of the filter cloths 5, 5 to spread the filter cloths 5 by expanding them from inside toward outside, and vibration is exerted on the filter cloths 5, 5. When a distance between the filter cloths 5, 5 is increased in the forward and backward direction by the expansion of the filter cloths 5, 5, a filter cloth rod 2 is also moved upward and downward. As the result, the filter cloths 5, 5 are swayed almost vertically and almost horizontally, permitting thus effective removal of filter residue having clogged the mesh of the filter cloths 5.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a filter press that applies vibration to a filter cloth to remove filter residue adhering to the filter cloth.

BACKGROUND OF THE INVENTION Conventionally, filter presses of various types are known. For example, a vibration device movable in the front and back direction is placed above a large number of filter plates arranged between the front and rear stands, and when the filter plates are opened, the vibration device is positioned above the opened filter plates. Then, the filter cloth hanging rod supported by the filter plate is struck down by the vibrating plate of the vibrating device, and the filter cloth suspended and supported by the filter cloth hanging rod is vibrated to peel off the filter residue adhering to the filter cloth. There is something configured like this.

Problems to be Solved by the Invention However, with the structure described above, the filter cloth only swings in the vertical direction due to the vibration device.
There is a drawback that, depending on the properties of the filter residue, it may not be possible to remove the filter residue that has entered the mesh of the filter cloth from the filter cloth.

Therefore, an object of the present invention is to provide a filter press that can effectively remove filter sludge that has gotten into the holes of the filter cloth, in order to solve the above problems.

Means for Solving the Problems In order to achieve the above object, the present invention provides a method of applying vibration to a pair of filter cloths disposed before and after a filter plate while expanding the filter cloths outward from the inside of the filter cloths. The filter was configured to remove filter residue adhering to the filter cloth. That is, a filter cloth is suspended and supported between adjacent filter plates by a filter cloth hanging member, and after filtering the stock solution using the filter cloth, the filter plate is opened along the front-rear direction and vibration is applied to the filter cloth. In a filter press designed to remove filter residue adhering to a filter cloth, the filter press is rotatably supported by the filter plate, and is placed between the pair of filter cloths arranged before and after the filter plate, and is operated manually or by vibration. A rotating member that is rotationally driven by a driving means, and a swinging member that is fixed to the rotating member and that contacts the inner surface of the upper g2 filter cloth and expands the filter cloth from the inside to the outside. Configured to prepare.

In the above configuration, the rotating member includes a rotating rod rotatably supported by the filter plate, and the swinging member is fixed to the rotating rod via a pair of arms and rotates integrally with the rotating rod. It can also be constructed from a swinging rod.

Further, in the above configuration, the rotating member is a rotating rod, and the swinging member is integrally fixed to an intermediate portion of the rotating rod, and is eccentric from the center of rotation of the rotating rod, and is attached to the filter cloth. It can also be configured to include a swinging part that contacts the inner surface and expands the filter cloth from the inside to the outside.

Moreover, in the said structure, the said rotating member can also be comprised so that it may be supported by the said filter plate so that it may be arrange|positioned above the said filter plate.

Further, in the above configuration, the rotating member may be disposed within the filtration portion of the filter plate, and the swinging member may be configured to contact the inner surface of the filtration portion of the filter cloth.

Furthermore, in the above configuration, an automatic filter plate feeding device for feeding each of the filter plates in the front-back direction is provided, and the vibration driving means is attached to the filter plate feeding device and removably connected to the rotating member. It can also be configured as

Effect of the Invention In the above configuration, after the stock solution is filtered through each filter cloth and the filter plate is moved to a predetermined position, the rotating member is rotated manually or by a vibration driving means, and the swinging member fixed to the rotating member is rotated. Rotate the member around the center of rotation of the rotating member. By this rotation, the swinging member is brought into contact with the inner surface of each filter cloth and vibrates while expanding the filter cloth from the inside to the outside,
The filter cloth is swung in a downward direction on the road and in a substantially front-to-back direction to remove filter residue adhering to the filter cloth. In the case where the swinging member is disposed above the filter plate, the swinging member contacts the inner surface of the filter cloth located above the filter plate, causes vibration in the filter cloth, and causes the filter cloth to Remove the filter residue.

Further, in the case where the rocking member is disposed in the filtering portion of the filter plate, the rocking member contacts the inner surface of the filtering portion of the filter cloth located in the filtering portion of the filter plate, causing vibration in the filter cloth. Shime, I from the filter cloth! ! Remove residue. The filter residue removal operation can also be performed while the filter plate is moving to a predetermined opening position.

Effects of the Invention According to the above configuration, the filter cloth is expanded by the swinging member so as to swell from the inside to the outside, and vibration is applied to the filter cloth, so that the filter residue clogged in the holes of the filter cloth is also removed. The expansion and vibration action of the swinging member causes the filter sludge that is thrown outward and clogged in the holes of the filter cloth to be effectively removed, thereby improving the filter sludge removal efficiency.

Further, in the above configuration, if the rotating member is arranged in the filtration part of the filter plate and the swinging member is configured to contact the inner surface of the filtration part of the filter cloth, the filtration part of the filter cloth can be directly Since the swinging member expands the filter cloth so that it swells from the inside to the outside, it becomes easier to remove the filter residue attached to the filtration part of the filter cloth, and the filter residue can be removed more effectively. The rate can be further improved.

EXAMPLES Below, examples according to the present invention will be described in detail based on FIGS. 1 to 12.

The schematic structure of the filter press according to this example is as follows.
As shown in the figure. The filter press has a large number of filter plates l, . A filter cloth hanging rod 2 is provided as a filter cloth hanging member that suspends and supports the filter cloths 5, 5, respectively, and a movable plate is moved to hang the filter cloths 1. . . , 1 is closed, and the stock solution is supplied between a pair of filter cloths 5, 5 between each filter plate 1, 1 to perform filtration. On the other hand, the movable plate is moved in the opposite direction to the filter plate automatic feeding device 2.
5, the filter plate 1. . . , the filter plate 1.1 is opened, the filter residue held between the pair of filter cloths 5, 5 between the filter plates 1.1 is removed, and the vibration driving device 14 as a vibration driving means causes vibration to be applied to each of the filter cloths. 5 and removes filter residue adhering to the filter cloth 5.

Each of the filter plates 1 has a frame tb, and handles 1a projecting laterally on both sides of the upper end of the frame 1b.
.

A fixing rod 1d is fixed to the lower end of each of the filter cloths 5, and the fixing rod 1d is locked between support fittings 1c and 1a fixed to both sides of the lower part of the frame 1b of the filter plate l.

A cylindrical support 3.3 is fixed to a predetermined location on the upper surface of both handles 1a, Ia of each of the filter plates 1 so as to project upward, and a guide rod 8 is erected on the top of each support 3. A coil spring 9 is fitted to the outside of the guide rod 8, a shaft support member 6 is fixed to the upper end of the coil spring 9, and the shaft support member 6 is attached to the guide rod 8 so as to be movable along the axial direction thereof. . One end of the filter cloth hanging rod 2 is fixed to this shaft support member 6, and the filter cloth hanging rod 2 is guided by the guide rod 8.8 in the vertical direction against the biasing force of the coil spring 9.9. Make it possible to move.

A swinging mechanism 30 is rotatably mounted between the supports 3.3 above the filter plate l and between a pair of filter cloths 5.5 facing each other with the filter plate l in between.

The swinging mechanism 30 includes a rotating member and a swinging member. Said rotating member consists of a rotating rod 10 rotatably mounted on each intermediate part of said support 3.3. The swinging members include arms 7.7 whose central parts are fixed at both ends of the rotating rod 10 and near the support body, and swinging members fixedly or rotatably attached to the tips of each arm 7. Bar 11
, 12. One end of the rotary rod 10 passes through the support 3, and a clutch lever 21 is fixed to the end surface thereof. The clutch lever 21 is constituted by a lever fixed to the end surface of the rotary rod 10 in a direction orthogonal to the axis. on the other hand,
The other end of the rotary rod 10 passes through the support 3 and has a lever 27 fixed to its end surface, and the lever 27 and the handle 1
A coil spring 28 is stretched between the rotary rod 10 and the rotary rod 10, and the coil spring 28 constantly applies a downward biasing force to the rotary rod 10, so that the rotary rod 10 rotates stably.

The biasing force of the coil spring 28 is such that it does not inhibit the rotation of the rotary rod IO, and when the lever 27 rotates together with the rotary rod 10, the coil spring 28 repeatedly expands and contracts. This rotation of the rotary rod 10 causes the swing rod 11. +2 rotates around the center of rotation of the rotating rod 10, and the swinging rod 11
．． 12 is in contact with the inner surface of the filter cloth 5.5, and the filter cloth 5.5
While inflating and expanding the filter cloth 5 from the inside to the outside.
Apply vibration to ゜5.

On the other hand, the guide members 4, 4 are respectively installed on both sides between the front and rear stands of the filter press.

The main body 4C of each guide member 4 has an angular shape in longitudinal section, and a protrusion 4b extending in the front-rear direction and having a rectangular cross-section is fixed to the outer surface along the vertical direction, and the upper surface of the protrusion 4b has a rectangular cross-section. Fix the guide rail 4a.

In both guide rails 4a, 4a, the above-mentioned known filter plate automatic feeding devices 25, 25 move synchronously in the front and rear directions, respectively, and engage the handles 1a, 1a of the filter plate 1, respectively, when the frame is opened. The filter plates L are fed one by one in the front and back direction to the open frame position. The vibration drive device 14 is attached to one of the automatic feed devices 25 . That is, this vibration drive device 14 is
A support frame 24 having a “T” shape in vertical section is attached to the automatic feeding device 25.
is fixed, a motor 23 is fixed to the outer surface of the support frame 24,
The lower end is provided with rollers 26, 26 that run on the upper surface of the lower end of the main body 4c of the guide member 4. Therefore, when the automatic feeding device 25.25 travels in the front and back direction guided by the guide members 4, 4, the vibration drive device 14 attached to one automatic feeding device 25 is guided by the rollers 26, 26 to move the automatic feeding device 25. It moves in the front-back direction together with the feeding device 25. On the other hand, a clutch operating air cylinder 18 is rotatably attached to the upper end of the support frame 24, and a locking piece 20 is fixed to the tip of the piston 18a of the air cylinder I8. The air cylinder 18 has a pulley 15 fixed to the outer circumferential surface of the part of the support frame 24 that protrudes toward the inner surface, and a pulley 16 that is fixed to the drive shaft of the motor 23 that protrudes toward the inner surface of the support frame 24. 15,
The belt 17 is hooked between 16 and 16, and the air cylinder I8 is rotated with respect to the support frame 24 through the pulley 16, belt 17, and pulley 15 by the drive of the motor 23, so that the locking piece 20 is rotated. Make it. The locking piece 20 fixes a lever in a direction perpendicular to the axial direction of the piston 18a, and has raised locking portions at both ends of the lever, and forms a clutch with the thalassotile lever 2I. Therefore, the locking portion of the locking piece 20 is connected to the clutch lever 21.
The rotational force of the locking piece 20 is transmitted to the rotating rod 10.

In FIG. 1, 19 is an air supply pipe that supplies air to the air cylinder 18, and 22 is a power distribution line connected to the motor 23.

According to the above configuration, filtration is performed by supplying the stock solution between a pair of opposing filter cloths 5, 5 between adjacent filter plates 1.1. When this filtration step is completed, the automatic feeder 25.25 is synchronously driven to move along the guide member 4.4, and the filter plates 1 are moved one by one in the mold opening direction. Do the frame. At this time, the filter plate l is temporarily stopped slightly before the predetermined frame opening position by the automatic feeding device 25.25, and the air cylinder 18 of the vibration drive device 14 is driven to move the locking piece 20 toward the clutch lever 21 side. to a position where it can be engaged. Then, the motor 23 is driven to rotate the air cylinder 18 relative to the support frame 24, and the rotary rod 10 is rotated via the locking piece 20 and clutch lever 21. When this rotary rod 10 rotates, as shown in FIGS. 3(a) to 3(e), the swinging rod 11. +2
is rotated counterclockwise between a pair of filter cloths 5.5. As a result, both the swing rods 11. +2 hits the inner surface of the filter cloth 5.5, and applies vibration to the filter cloth 5.5 while inflating and expanding the filter cloth 5 from the inside to the outside. Both swing rods 1 above
1.12, when the filter cloths 5, 5 bulge outward and the gap between the filter cloths 5, 5 is widened in the front-rear direction, the filter cloth hanging rod 2 resists the biasing force of the coil spring 9.9 and moves toward the shaft. Support member 6
．． 6 is lowered, and the filter cloth hanging rod 2 also moves up and down. As a result, the filter cloth 5.5 swings below the road and in substantially both forward and backward directions, and the filter residue adhering to the filter cloth 5 is shaken off.

According to the above embodiment, each filter cloth 5 is
2, the filter cloths 5 are inflated and expanded from the inside to the outside while being vibrated, so that the filter residue stuck in the holes of the filter cloths 5 is removed by the rotation of the rocking rods 11 and 12. The filter sludge that is thrown outward and clogged in the filter cloth 5 can also be effectively removed, and the efficiency of filter sludge removal can be improved. By adjusting the length of the arm 7.7, the rotation speed of the swing mechanism 30, the rotation range of the swing rods 11, 12, etc., the filter residue removal effect can be adjusted as desired.

Note that the present invention is not limited to the above embodiments,
It can be implemented in various other ways.

For example, when opening the filter plate, while the automatic feeding device 2525 is feeding the filter plate l to the opening position, the vibration driving device 14 may rotate the rotary rod 10 to vibrate the filter cloths 5, 5. You may also do so. In this way, the filter residue can be removed from the filter cloth 5 within the feeding time of the filter plate 1, and the operating efficiency of the entire filter press can be improved.

Further, the coil spring 9.9 is provided at the bottom of the filter plate 1,
When the filter cloth 5.5 is vibrated by the swinging mechanism 30, the lower end of the filter cloth 5 may rise against the biasing force of the coil spring 9.9.

Moreover, although the filter plate 1 is constructed of the frame body 1b, it is not limited thereto, and may have any structure such as one having a well-known filter bed.

Further, the locking piece 20 and the clutch lever 21 may be configured using levers combined in a cross shape, and the present invention is not limited to this, and a known clutch mechanism may be used.

Further, although it is preferable that the lower end of the filter cloth 5 is locked as shown in the figure, the present invention is not limited to this, and the lower end of the filter cloth 5 may be formed at a free end without being fixed to the filter plate 1.

Further, as shown in FIG. 4.5, the swing mechanism 30 may be replaced by another swing mechanism 37 using a crank mechanism. That is, to the handles 1a and la of the filter plate 1, instead of the support 3.3, a support 31.31 bent outward with respect to the filter plate 1 is fixed, and a coil spring 32.32 is attached to the upper end of the support 31.31. A filter cloth suspension string, for example a wire 33, is stretched through the filter cloth 5.5, and the filter cloth 5.5 is suspended and supported from the wire 33. Between the supports 31.31 and between the filter cloths 5.5, a crank rod 34 having a bent middle portion with respect to both ends is rotatably attached to the supports 31.31. Both end portions of the crank rod 34 function as rotating members, and an intermediate portion thereof functions as a swinging portion 34c as a swinging member. Above crank rod 3
One end of 4 passes through the support 31 and is provided with a connecting portion 34a having a rectangular cross section on the end surface.

On the other hand, in the vibration drive device 14, a fitting portion 36 that removably fits the connecting portion 34a is fixed to the piston 18a of the air cylinder 18, and the clutch is operated by the connecting portion 34a and the fitting portion 36. Configure. Above crank rod 3
The other end of 4 passes through the support 31, and then a manual lever 35 is attached to the end 34b, and the crank rod 34 can be manually rotated to impart swing to the filter cloths 5, 5. Configure it so that you can.

The operation of the filter cloth 5.5 according to this embodiment is shown in FIG.

The filter cloth 5.5 is driven by the swinging mechanism 37 or manually so that the swinging portion 34c of the crank rod 34 is rotated (a) in the figure.
) to (i), the crank rod 34 is repeatedly swung within a downward range of 180 degrees around the shafts at both ends of the crank rod 34,
While inflating and stretching the filter cloth 5.5 from the inside to the outside, vibrations are applied to the filter cloth 5.5 to remove filter residue from the filter cloth 5.5. The filter cloth 5.5 is connected to the coil spring 3.
By bending the wire 33 against the biasing force of 2°32, it freely swings below the road and along substantially both front and rear directions.

According to this configuration, the structure is simpler than the filter press shown in FIGS. 1 to 3 above, and it can be manufactured at low cost.

Furthermore, as another modification, the vibration drive device 1
4 may be arranged so as to move in the front-rear direction independently of the automatic feeding device 25.

Further, the swinging mechanism 30 may be arranged in the space tr of the filtering portion of the filter plate l so that the swinging member contacts the inner surface of the filtering portion of the filter cloth 5.

That is, as shown in FIGS. 7 to 11, the rotary rod IO is arranged in the space tr inside the frame of the filter plate l, and its both ends are connected to the bearings inside the frame 1b in parts 1e and Ie. Rotatably supported. The rotating rod 10 is composed of a cylindrical portion 10b and a shaft portion 10c fitted into one end of the cylindrical portion 10b, and both are fixed with bolts 45 so as to rotate integrally.

The cylindrical part tob is arranged on the frame ib so as to straddle the space tr, and as shown in FIG. Ru. The portion 1e of each bearing has a circular recess th, into which the cylindrical portion 10b is rotatably fitted, and a cylindrical seal member 40 is placed between the cylindrical portion tab and the recess 1h.
and the stopper 41 prevents the seal member 40 from being removed.

This sealing member 40 is for preventing filter residue and the like from entering the recess 1h, and does not interfere with the rotation of the rotary rod 10. In the one bearing portion 1e, a through hole 1g having a smaller diameter than the recess 1h is formed at the bottom of the recess 1h. This through hole 1g is formed to also penetrate the frame 1b. In this through hole 1g, the above rotating rod 1.0
The shaft part 1 is fitted and fixed in one end of the cylindrical part tab of
0c is rotatably inserted to expose its end to the outside of the filter plate. A ball 44°44 is attached to the inner peripheral surface of the end of the through hole 1g.
The shaft portion 10c is rotatably supported by a bearing constituted by a holding portion 42 and a holding portion 42. A connecting portion 10a having a square cross section is formed at the end of this shaft portion 10c. In this embodiment as well, the vibration drive device 14 is arranged so as to be movable back and forth along the guide member 4, and its air cylinder 18
The connecting portion 10a is removed and the removably fitting fitting portion 36 is fixed to the piston 18a of the connecting portion 10a.
and the fitting portion 36 constitute a clutch. Note that a manual lever is attached to the one end of the rotary rod 10 in the same way as in the above embodiment, so that the rotary rod 10 can be manually rotated to impart swinging to the filter cloth 5.5. You may. The mounting structure of the filter plate and filter cloth in the embodiment shown in FIGS. 7 to 12 above is the same as that in the embodiment shown in FIG. 4 above. Further, in the figure, 5a is an opening of the filter cloth 5 for supplying the stock solution.

This configuration performs substantially the same function as the above embodiment, but since the swinging mechanism 30 is disposed in the filtering portion of the filter plate l, the arm 7.7 is moved by the rotation of the rotating rod 10. The swinging rods If and 12 rotate around the center of the rotating shaft of the rotating rod 10, and the swinging rods 11 and 12 touch the inner surface of the filtering portion of the filter cloth 5.5 located in the filtering portion of the filter plate 1, respectively. In contact with the filter cloth 5
．． 5 to generate vibration and remove the filter residue from the filter cloth 5.5. In this case, the rocking rod 11. +2 contacts from its inner surface, and swings the rocking rod 1 so that each filter cloth 5 swells from the inside to the outside.
1. Since the filter cloth 5.5 is expanded by +2 and vibration is applied to the filter cloth 5.5, the aa stuck in the holes of the filter cloth 5.5 is also blown outward by the expansion and vibration action of the rocking rods 11 and 12. , the filter residue clogged in the mesh of the filter cloth 5.5 can be effectively removed,
The removal efficiency of filter residue can be further improved.

In addition, in the embodiment shown in FIGS. 7 to II above, the 12th
As shown in the figure, if a groove 10d is formed near the end of the shaft portion 10c of the rotating rod 10, and the semicircular pressing plate 42 is fitted into the groove 10d, the shaft portion 10c It is possible to stop the extraction along the axial direction. Furthermore, if this retaining structure is applied to both ends of the rotary rod 10, both ends of the rotary rod 10 are exposed to the outside of the filter plate from the frame 1b, and the retaining plates 42 and 42 prevent the rotary rod from being pulled out. By holding the rotating rod 10 in place, it is possible to prevent the rotating rod 10 from being pulled out on both sides in the axial direction, and at the same time, the frame 1b is tightened from both sides, so that when filtration pressure is applied, the two-legged frame 1b
can be prevented from expanding along the axial direction of the rotating rod [0].

[Brief Description of the Drawings] Figures 1 and 2 are a front view of a filter plate of a filter press according to an embodiment of the present invention and a side view of essential parts of the filter press, respectively;
FIG. 3 is an explanatory view showing the movement of the filter cloth of the filter press, FIGS. 4 and 5 are front views and side views of the filter plate of the filter press according to other embodiments, and
The figure is an explanatory diagram showing the movement of the filter cloth of the filter press, and Figures 7 to 7 are front views and side views of essential parts of the filter plate of the filter press according to other embodiments, and the arm is in the state shown in Figure 8. An explanatory diagram showing the movement of the filter cloth when rotated by 90 degrees, a front view of the filter plate main body, and an enlarged sectional view of the main part of the support part of the rotating rod. FIG. 12 shows a modification of the embodiment shown in FIG. 11. FIG. 1... Filter plate, La... Handle, 2... Filter cloth hanging member, 3
...Support body, 4...Filter plate guide member, 4a...Rail, 4b...Protrusion part, 5...Filter cloth, 6...Shaft support member, 7...Arm, 8 ... Guide rod, 9 ... Coil spring, 10 ... Rotating rod, 11.12 ... Rocking rod,
14... Vibration device, 15.16... Pulley, 17.
... Belt, 18 ... Air cylinder, 19 ... Air supply pipe, 20 ... Locking piece, 21 ... Clutch lever
122... Distribution line, 23... Motor, 24... Support frame, 25... A-board automatic feeder, 26... Roller, 27... Lever, 28... Coil spring, 30...・
- Swing mechanism, 31... Support body, 32... Support coil spring, 34... Swing rod, 34a... Connection portion, 34c
... Swinging part, 35... Manual lever, 36... Fitting part, 37... Swinging mechanism, 40... Seal member, 41
...Stopper, 42...Press plate, 43.45...
・Bolt, 44...ball. Patent Applicant: Kurita Machinery Co., Ltd. Agent Patent Attorney: Aohaku Ao and 2 others Figure 2 ゛ 1d 31 (b) (C) Figure 5 (d) (e) Figure 1 ↑

Claims (6)

[Claims] (1) A filter cloth (5) is suspended between adjacent filter plates (1, 1) by a filter cloth hanging member (2), and after filtering the stock solution through the filter cloth (5), the filter cloth (5) is suspended between adjacent filter plates (1, 1). 1, in a filter press in which 1) is opened along the front-rear direction to apply vibration to the filter cloth (5) to remove filter residue adhering to the filter cloth (5), the filter plate (1) is rotated. A rotary member that is freely supported and arranged between the pair of filter cloths (5, 5) arranged before and after the filter plate (1), and is rotationally driven manually or by a vibration drive means (14). 10, 34), and the rotating member (
a rocking member (11, 12, 34c) that is fixed to the filter cloth (5) and expands the filter cloth (5) from the inside to the outside by contacting the inner surface of the filter cloth (5); A filter press characterized by comprising: (2) The rotating member includes a rotating rod (10) rotatably supported by the filter plate (1), and the swinging member includes a pair of arms (7, 7) attached to the rotating rod (10). A swinging portion (1
1, 12) The filter press according to claim 1, comprising: 1, 12). (3) The rotating member includes a rotating rod (34), and the swinging member is integrally fixed to an intermediate portion of the rotating rod (34), and is eccentric from the center of rotation of the rotating rod (34). and a swinging portion (5) that contacts the inner surface of the filter cloth (5) and expands the filter cloth (5) from the inside to the outside.
34c) The filter press according to claim 1, comprising: (4) The filter press according to any one of claims 1 to 3, wherein the rotating member is supported by the filter plate so as to be disposed above the filter plate. (5) the rotating member is disposed within the filtering section of the filter plate;
The filter press according to any one of claims 1 to 3, wherein the swinging member contacts the inner surface of the filtering portion of the filter cloth. (6) An automatic filter plate feeding device (25) for feeding each of the filter plates (1) in the front-rear direction is provided, and the vibration drive means (1)
4) The filter according to any one of claims 1 to 5, wherein the filter plate is attached to the feeding device (25) and removably connected to the rotating member (10, 34). press.