JPH067763Y2 - Filter cloth frame for filter press - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a filter cloth hanging frame for spreading filter cloth on both front and rear surfaces of a filter plate of a filter press.

(Prior Art) In a filter press in which a large number of filter plates are slidably suspended on a pair of left and right guide rails extending in the front-rear direction by handles protruding from the left and right sides of the filter rails, The lower ends of two upwardly extending link arms are connected to each other by a widthwise connecting pin so as to be swingable back and forth, and the upper end of one of the two link arms is connected to the upper end of the link arm of the front filter plate and the other end. The upper end of the filter arm is connected to the upper end of the link arm of the rear filter plate, and the filter cloth hanging rod is attached between the upper end connecting parts of the left and right link arms. A filter cloth hanging frame in which filter cloths for side filter plates are hung is known (Jitsuko Sho 38-2).
1094, etc.).

(Problems to be solved by the invention) However, in the conventional filter cloth hanging frame, since the lower ends of the left and right link arms are attached to a part of the filter plate by the connecting pin,
A tool such as a wrench is required to attach / detach the connecting pin, and the attaching / detaching work is troublesome.Therefore, there is a problem that the work is troublesome when the link arm is broken or the link arm is replaced for changing the length. It was

The present invention provides a filter cloth hanging frame that can be easily attached to and detached from a filter plate, and that the link arm can be opened and closed in the same manner as in the past by feeding the filter plate.

(Means for Solving the Problem) As shown in FIG. 1, a filter cloth hanging frame of a filter press according to the present invention comprises a pair of left and right side plates 1 extending in the above-mentioned direction, and a plurality of filter plates 2 between them. Suspended slidably by the grips 3 projecting on the left and right sides, and swinging back and forth with the two sets of left and right link arms 4 and 5 above and below the grip 3 of the filter plate 2 as the fulcrum. In the filter press in which the filter cloth F is hung freely between the upper ends of the left and right link arms 4 and 5 via the filter cloth hanging rod 13, the handle 3
Further, the elevating frame 8 including four legs 6 located at the front, rear, left and right of the intersection of the side plates 1 and slidable up and down, and a connecting block 7 connecting the upper ends of the four legs 6 is provided. Filter plate 2
And the lower ends of the link arms 4 and 5 are connected to the connection block 7 by fulcrum pins 9.

The lifting frame 8 has the connecting block 7 connected to the filter plate 2.
It may be simply placed on the handle 3 and attached, or the crosspiece 6a in the width direction may be fixed between the two legs 6 and 6 on the front side and between the two legs 6 and 6 on the rear side. It may be mounted slidably on the side plate 1. Of the two sets of link arms 4 and 5, one of the upper ends may be connected to the upper end of the link arm of the front filter plate and the other upper end may be connected to the upper end of the link arm of the rear filter plate. One of the link arms of the set may be stopped forward by the other, and the other may be stopped backward by the stoppers.

(Operation) In the filter cloth hanging frame of the present invention, the front, rear, left and right legs 6 of the elevating frame 8 are sandwiched from above at the intersection of the handle 3 and the side plate 1, and the handle 3 is sandwiched between the front and rear legs 6, 6 and left and right. The lifting plate 8 is attached to the filter plate 2 by sandwiching the side plate 1 between the legs 6, 6.
Be removed by pulling it up. Then, when the filter plate 2 slides back and forth, the elevating frame 8 moves forward and backward together with the filter plate 2, and the link arms 4 and 5 open and close with this forward and backward movement.

(Example) In FIGS. 2 and 3, 1 is a side plate, 2 is a filter plate, 3
Is a handle, and 8 is an elevating frame. In this embodiment, the elevating frames 8 are provided on the left and right of each filter plate 2. As shown in FIG. 1, the elevating frame 8 is composed of a rectangular connecting block 7 and four downward legs 6 fixed to the four corners thereof. Two legs 6, 6
The crosspieces 6a are fixed between them, and the crosspieces 6a are slidably placed on the side plate 1. The lower end of the outer link arm 4 and the lower end of the inner link arm 5 are swingably connected to the outside of the connecting block 7 in the width direction and to the inside by a connecting pin 9, respectively. Then, the upper end of the outer link arm 4 is adjacent to the upper end of the inner link arm 5 of the filter plate 2 adjacent on the front side (left side in FIG. 3), and the upper end of the inner link arm 5 is adjacent to the rear side of the filter plate 2. The upper end of the outer link arm 4 is connected to the upper end of each of the left and right pins 11, 11 via the coil springs 12 and the filter cloth hanging rod 1 in the width direction.
3 is hung, and the filter cloth hanging rod 13 is attached to the front filter plate 2
The filter cloth F and the connection portion of the filter cloth F of the rear filter plate 2 are hooked. Therefore, when the filter plate 2 is opened and closed during the filtering operation, the link arms 4 and 5 stand up or incline depending on the distance between the front and rear filter plates 2 and 2.

In the embodiment shown in FIGS. 4 and 5, the elevating frames 8 are arranged every other filter plate 2. The outer link arm 4 connected to the connection block 7 is made longer than the inner link arm 5, and is provided between the upper ends of the left and right outer link arms 4, 4 and between the upper ends of the left and right inner link arms 5, 5, respectively. The filter cloth hanging rod 13 is directly attached, and the connecting portions of the front and rear filter cloths F, F are hooked on the filter cloth hanging rod 13. As shown in FIG. 5, the shaft of the filter cloth hanging rod 13 is inserted into the U-shaped receiving portions 4a and 5a at the tips of the link arms 4 and 5, and is fixed with a set screw. ing.
Then, a tension coil splink 14 is hung between the upper ends of the outer link arm 4 and the inner link arm 5 to urge the link arms 4 and 5 in a direction to draw them and to arrange the elevating frame 8 on the filter plate. Two stop pins 15 and 16 are laterally provided on the left and right side surfaces of the filter plate 2, and the filter plate 2 is opened. With this, the link arms 4 and 5 are opened against the elasticity of the tension coil sprinkle 14. At this time, the front stop pin 15 locks the outer link arm 4 and the rear stop pin 16 locks the inner link arm 5 to limit the opening angle of the link arms 4 and 5. In this embodiment, an elevating frame 8 is attached to every other filter plate 2, and the other link arms 4 and 5 are attached to the upper ends of the link arms 4 and 5, respectively.
Since the filter cloth hanging rod 13 is attached without connecting the upper ends of the link arms 5, the number of the link arms 4, 5 is halved as compared with the embodiment of FIGS. 2 and 3, and the attachment and detachment thereof are further facilitated. .

FIG. 6 shows another example of the elevating frame 8, in which the front two legs 6,
The upper end of 6 and the upper ends of the two legs 6 on the rear side are integrally formed by a front plate 6b and a rear plate 6c, respectively, and these front plate 6b and rear plate 6c are the lower part of the connection block 7, respectively. Fixed to the front and rear surfaces of the piece 7b,
The outer link arm 4 and the inner link arm 5 are connected to the outer surface of the upper piece 7a of the connection block 7 by a connecting pin 9. The upper piece 7a and the lower piece 7b of the connection block 7 are integrally formed. Further, the lower edges of the front plate 6b and the rear plate 6c are located at the same height as the lower bar 6a of FIG. 1, and are slidably mounted on the upper edge of the side plate 1.

(Effect of the Invention) The filter cloth hanging frame of the present invention forms an elevating frame with four legs and a connecting block connecting the upper ends of these legs, and the lower end of the link arm is swingable by a pin on the connecting block. Since they are connected, a filter cloth hanging frame is attached by inserting the legs of the lifting frame into the intersection of the filter plate handle and the side plate, and the lifting cloth is pulled up to filter the cloth. Since the hanging frame can be removed, a tool is not required for attaching and detaching the filter cloth hanging frame, and the work of replacing the link arm and the work of assembling the filter press can be performed extremely efficiently.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of an embodiment of the present invention, FIG. 2 is a front view of the above embodiment, FIG. 3 is a side view of FIG. 2, and FIG. 4 is a front view of another embodiment. FIG. 5 is a side view of FIG. 4, and FIG. 6 is a perspective view showing another example of the elevating frame. 1: side plate, 2: filter plate, 3: grip, 4, 5: link arm, 6: leg, 7: connection block, 8: elevating frame, 9: pin constituting fulcrum of link arm, F: filter cloth.

Claims (1)

[Scope of utility model registration request] 1. A large number of filter plates are slidably suspended between a pair of left and right side plates extending in the front-rear direction by handles provided on both left and right sides thereof, and two sets of left and right links are provided above the handles of the filter plates. In the filter press in which the arm is provided vertically and swingably back and forth with its lower end serving as a fulcrum, and the filter cloth is hung between the upper ends of the left and right link arms via the filter cloth hanging rod, And an elevating frame composed of four legs located at the front, rear, left and right of the intersection of the side plates and slidable up and down, and a connecting block connecting the upper ends of the four legs to the left and right of the filter plate. A filter cloth hanging frame for a filter press, characterized in that the lower end of the link arm is connected to the connecting block by a pin for a fulcrum thereof.