KR101205573B1 - Fixed quantity supply device - Google Patents

Abstract

Provided is a fixed-quantity supply device that can prevent the object to be transported in the pocket of the valve. In addition, it is possible to prevent the solidification of the conveyed object in the gap space between the valve and the casing, and to provide a fixed quantity supply device capable of keeping the rotation of the valve satisfactorily.
The fixed-quantity supply device includes a valve having a cylindrical casing, a valve having a pocket in which the conveyed object is introduced, rotatably provided with an axis of rotation provided in the casing in a cylindrical axis direction of the casing, and the casing; A pair of seatings fitted on both sides of the tubular direction of the cylindrical shaft and fitted in close contact with the valve, and the valve is rotated so that the object to be fed from the one end side of the casing is fixed, A fixed amount supply device for discharging from the other end side of the casing, the valve is a blade for collecting the object to be transported into the gap space of the valve and the casing, and the object to be collected by the blade in the pocket It has an inlet to introduce.

Description

Metering device {FIXED QUANTITY SUPPLY DEVICE}

The present invention relates to a fixed-quantity supply device that supplies only a predetermined amount of a conveyed object (for example, powder or the like) to a pipe of a transportation path from a supply device such as a hopper, for example, in a chemical plant, a food plant, or the like. will be.

A conventional fixed-quantity supply device, comprising: a valve having a cylindrical casing, a valve having a pocket in which a rotary object is introduced, the rotary shaft being provided to intersect in the cylindrical axis direction of the casing, and into which the object to be fed is introduced; It is known to have a pair of seatings fitted and inserted into both sides in the cylindrical direction, and the valve includes a pair of side plates for closing the cylindrical portion, both ends of the cylindrical portion, and a cylinder. The opening part formed in the main surface of a part is provided. In the above conventional fixed-quantity supply device, the to-be-feeded object injected from one end of the casing is discharged from the other end of the casing by a fixed amount by rotating the valve (see, for example, Patent Document 1). ).

(Patent Document 1) JP3872445 B

However, in the fixed-quantity supply apparatus described in Patent Document 1, when a highly viscous to-be-conveyed object (for example, sewage sludge or the like) is treated, the to-be-contained object is fixed in the pocket of the valve, and the processing capacity thereof is reduced. There was a possibility of deterioration. Moreover, although a vibration and an impact are given to a valve as a means of peeling the to-be-transferred object fixed in a pocket, it is not suitable for the valve which is always rotating.

Moreover, in the fixed-quantity supply apparatus described in the said patent document 1, when a valve rotates, the to-be-transferred object might enter into the space | interval space of a valve and a casing, and may solidify, and the rotation of a valve may be hindered. It is also conceivable to separately provide a member to fill the gap space so that the object to be fed does not enter the gap space, but eventually, the object to be transported enters and solidifies between the member and the valve. It didn't work.

The present invention has been made to solve such a problem. A first object of the present invention is to provide a fixed quantity supply device which can prevent the object to be transported from being stuck in the pocket of the valve.

Further, a second object of the present invention is to provide a fixed-quantity supply device which can prevent the object to be conveyed in the gap space between the valve and the casing, and can maintain the rotation of the valve satisfactorily.

The said 1st object of this invention is achieved by the following structures.

(1) A valve having a cylindrical casing, a valve having a pocket in which a to-be-feeded object is introduced, rotatably provided with an axis of rotation provided in the casing with a rotational axis intersecting in the cylindrical axis direction of the casing, and both sides in the cylindrical axis direction of the casing; And a pair of seat rings which are inserted into and fitted in close contact with the valve, and are sealed by rotating the valve to discharge the conveyed object introduced from one end of the casing from the other end of the casing by a fixed amount. A fixed amount supply device, provided with a scraper device for scraping and dropping a workpiece to be introduced into the pocket in the pocket of the valve, wherein the scraper device is inserted into the valve rotation shaft concentrically, one end of which is fixed to the casing side; An arm portion supported by the shaft portion, and a scraper portion fixed to the tip portion of the arm portion.

(2) The scraper device is a fixed quantity supply device according to (1), wherein a rotation allowance mechanism is further provided between the shaft portion and the arm portion to allow rotation when a predetermined load or more is applied to the arm portion.

(3) The scraper portion is disposed behind the rotational direction of the valve from the seating ring disposed on the discharge side of the casing and within the range of the rotational direction forward of the valve from the seating ring disposed on the inlet side of the casing (1) Or (2).

The said 2nd objective of this invention is achieved by the following structures.

(4) Both sides of a cylindrical casing, a valve having a pocket in which a to-be-feeded object is inserted, rotatably provided with an axis of rotation in the casing, the axis of rotation provided intersecting in the cylindrical axis direction of the casing, and the casing in the cylindrical axis direction; And a pair of seat rings which are inserted into and fitted in close contact with the valve, and are sealed by rotating the valve to discharge the conveyed object introduced from one end of the casing from the other end of the casing by a fixed amount. A metering supply device, wherein the valve has a blade for collecting the workpiece to be inserted into the gap space between the valve and the casing, and an inlet for introducing the workpiece to be collected by the blade into the pocket.

(5) The valve has a cylindrical portion, a pair of side plates for closing both ends of the cylindrical portion, and an opening formed in the outer circumferential surface of the cylindrical portion, wherein the blade and the inlet are provided in at least one of the pair of side plates. A fixed-quantity supply device according to (4), characterized in that

(6) The fixed-quantity supply device according to (4) or (5), wherein the blade is concave toward the rear of the valve in the rotational direction and provided in an arc shape so as to be continuous to the opening edge of the inlet.

(7) The fixed-quantity supply device according to any one of (4) to (6), wherein the blade and the inlet are disposed near an end edge of the valve opening in front of the rotational direction of the valve.

According to the fixed-quantity supply device of the present invention, since a scraper device for scraping and dropping the object to be introduced into the pocket is provided in the pocket of the valve, the object to be conveyed in the pocket can be discharged quickly without sticking. Thereby, it can reliably prevent that a to-be-transferred object adheres to the pocket of a valve.

In addition, according to the fixed-quantity supply device of the present invention, the scraper device is inserted into the valve rotation shaft concentrically, one end portion of which is fixed to the casing side, the arm portion supported by the shaft portion, and the scraper fixed to the tip of the arm portion. And a rotation allowance mechanism for allowing rotation when a predetermined load or more is applied to the arm portion between the shaft portion and the arm portion, for example, between the inner surface of the valve and the arm portion and the scraper portion. Even if the conveyed object is jammed, the arm portion and the scraper portion rotate together with the clamped conveyed object like the valve. Thereby, since the stop of the valve by which the to-be-transferred object gets stuck is avoided, the whole work line provided with the fixed quantity supply apparatus can be prevented from stopping unexpectedly.

Moreover, according to the fixed-quantity supply apparatus of this invention, the scraper apparatus which scrapes and drops the to-be-transmitted object introduce | transduced in the pocket in the pocket of a valve is provided, The scraper apparatus penetrates concentrically to a valve rotation shaft, and one end part is a casing side. A shaft portion fixed to the shaft portion, an arm portion supported on the shaft portion, and a scraper portion fixed to the distal end portion of the arm portion, wherein the scraper portion is rearward of the valve from the seat ring disposed on the discharge side of the casing, Since it is arrange | positioned in the range of the front direction of a valve from the seat ring arrange | positioned at the inside, the to-be-collected object collected by the scraper part can be discharged | emitted efficiently from the opening part of a valve. As a result, the processing capacity of the metering device can be kept constant.

According to the fixed-quantity supply device of the present invention, since the valve has a blade for collecting the workpiece to be inserted into the gap space between the valve and the casing, and an introduction port for introducing the workpiece to be collected by the blade into the pocket, For example, even if the object to be conveyed enters the gap space between the valve and the casing, the object to be conveyed is quickly collected by the blade and introduced into the pocket through the introduction port. As a result, the solidification of the conveyed object in the gap space between the valve and the casing can be prevented, so that the rotation of the valve can be maintained satisfactorily.

In addition, according to the fixed-quantity supply device of the present invention, the blade is concave toward the rear of the rotational direction of the valve and is provided in an arc shape so as to be continuous to the opening edge of the inlet port, so that the blood to be fed into the gap space between the valve and the casing is transferred. Water can be efficiently collected along the blade and quickly introduced into the pocket.

Further, according to the fixed-quantity feeding device of the present invention, since the blade and the inlet are arranged near the end edges of the valve opening in front of the valve in the rotational direction, the object to be collected by the blade can be quickly moved into the pocket using gravity. Can be introduced.

1 is a cross-sectional view of a portion for explaining the metering supply device according to the present invention.
2 is a cross-sectional view of a portion of the dosing device as viewed from the arrow A direction of FIG.
3 is a cross-sectional view of principal parts for explaining the valve and the scraper device shown in FIG. 1;
4 is a perspective view for explaining the valve and the scraper device shown in FIG.
5 is a cross-sectional view taken along line BB of FIG. 3.
Fig. 6 is a view for explaining the valve shown in Fig. 1, (a) is a sectional view in the axial direction of the valve, (b) is a sectional view taken along line CC of (a), and (c) is a direction of the arrow D in (a). Cross section viewed from.
7 is a view for explaining a first modification of the valve, (a) is a cross-sectional view of the valve axial direction, (b) is a cross-sectional view taken along the line EE of (a), (c) is a F arrow of (a) Sectional view from the direction.
8 is a view for explaining a second modification of the valve, (a) is a cross-sectional view of the valve axial direction, (b) is a cross-sectional view taken along the line GG of (a), (c) is an arrow H of (a) Sectional view from the direction.

EMBODIMENT OF THE INVENTION Hereinafter, one Embodiment of the fixed quantity supply apparatus which concerns on this invention is described in detail with reference to drawings. In addition, in this embodiment, it demonstrates taking a fixed quantity supply apparatus which targets powder as an object to be conveyed as an example.

As shown in FIG. 1 and FIG. 2, the fixed quantity supply device 10 of the present embodiment is provided with a cylindrical casing 20 and a casing 20 intersected in the tubular direction of the casing 20. As long as the valve 30 and the casing 20 are rotatably fitted to both sides of the tubular direction of the casing 20 to be rotatably provided with the first and second rotation shafts 35 and 36 as the axial center, and are sealed in close contact with the valve 30. It is provided with a pair of seat ring 40 and the drive device 50 which is connected to the 1st rotating shaft 35 of the valve 30, and rotates the valve 30. As shown in FIG.

The casing 20 is joined to the first cylindrical portion 21, which is a conveyance path of the powder, and the middle portion of the first cylindrical portion 21 so as to be orthogonal to the cylindrical axis direction of the first cylindrical portion 21. The first bonnet plate 23 and the second cylindrical part 22, one end of the second cylindrical part 22 (the right end part in FIG. 1) are closed and screwed to the second cylindrical part 22, and the second. The second bonnet plate 24, the first cylindrical portion 21, and the second cylindrical portion which are closed at the other end of the cylindrical portion 22 (the left end in FIG. 1) and are joined to the second cylindrical portion 22. It is formed in the part which 22 crosses, and has the valve accommodating part 25 which accommodates the valve 30.

Moreover, the flange part 26 is respectively joined to the both ends of the 1st cylindrical part 21, In this embodiment, supply apparatuses, such as a hopper of a plant, are connected to the upper flange part 26, and The pipe for transportation is connected to the flange part 26.

The valve 30 is a drum-type valve, as shown in FIG. 3, a pair of side plates 32 and a cylindrical portion 31 for closing the cylindrical portion 31, both ends of the cylindrical portion 31. The opening 33 is formed in the main surface of the), and the pocket 34 into which the conveyed object is introduced is formed in the valve 30. Further, the opening 33 has an end edge in the rotational direction forward of the valve 30 in a straight line shape, and an end edge in the rear of the rotational direction of the valve 30 in a substantially "V" shape. The valve 30 is made of stainless steel (SUS304 or the like) and is subjected to hard chrome plating (HCR) on its surface. In addition, in this embodiment, the valve 30 is rotated in the clockwise direction in FIG.

Moreover, the 1st rotating shaft 35 connected to the drive device 50 protrudes in the center of the side plate 32 of the one side (right side of FIG. 3) of the valve 30, and the other side (left side of FIG. 3). At the center of the side plate 32 is a second rotary shaft 36 which is rotatably supported by the second bonnet plate 24 by a bearing cover 24a screwed to the center. In addition, a sliding bearing 24b is interposed between the second rotary shaft 36 and the bearing cover 24a. On the other hand, the first and second rotary shafts 35 and 36 are arranged on the same axis.

As shown in FIG. 1 and FIG. 2, the seat ring 40 is a cylindrical member having an outer diameter dimension that can be fitted into both ends of the first cylindrical portion 21, and at one end of the valve 30. A contact surface 41 is formed in close contact with the outer circumferential surface of the cylindrical portion 31.

In addition, two rows of outer circumferential grooves 42 and 42 are formed in the outer circumferential surface of the seat ring 40, and the inner circumferential surface of the first cylindrical portion 21 and the seat ring 40 are formed in the outer circumferential grooves 42 and 42. O-rings, not shown, which maintain the sealing property between the outer circumferential surfaces thereof are mounted.

In addition, the sealing property (adhesive force) with respect to the valve 30 of the seat ring 40 is adjusted by the adhesion force adjustment mechanism 60 arrange | positioned at the radially symmetrical position of the both ends of the casing 20, and the adhesion force adjustment The mechanism 60 is fixed to the support piece 61 fixed to the main surface of the 1st cylindrical part 21, and the outer peripheral surface of the seat ring 40, as shown to FIG. 1 and FIG. 2, and a 1st cylindrical part The pressing piece 62 protruding to the outside through the groove hole 21a formed in the outer circumferential surface of the 21 and the two leg portions 62a which are screwed to the support piece 61 and formed at the tip of the pressing piece 62. A connecting member 63 passing through the), a fixing nut 64 for fastening the connecting member 63 to the support piece 61, a plurality of dish springs 65 inserted into the connecting member 63, The adjusting nut 66 is screwed to the end of the connecting member 63 so as to sandwich the plurality of dish springs 65 between the two leg portions 62a of the pressing piece 62. And the sealing property by the adhesion force adjustment mechanism 60 is performed by rotating the adjustment nut 66, and adjusting the pressing force of the some dish spring 65. FIG.

In this embodiment, as shown in FIGS. 1 to 4, a scraper device 70 is provided in the pocket 34 of the valve 30 to scrape off the workpiece to be introduced into the pocket 34. The scraper device 70 includes a pair of shaft portions 71 inserted into the second rotary shaft 36 of the valve 30 concentrically, a pair of arm portions 72 supported by the shaft portion 71, and a pair of pairs. The scraper portion 73 fixed to the distal end portion of the arm portion 72 of the arm portion 72 and the one end portion (the right end portion in FIG. 3) of the shaft portion 71 and externally fitted to the base portion of the first rotating shaft 35. It is attached to the sliding bearing 74 internally fitted into the support hole 35a formed in the center, and the cut-out part 71a formed in the other end part (left end part of FIG. 3) of the axial part 71, and is bearing cover 24a. It is provided with a fixed plate 75 is screwed to).

The scraper portion 73 is made of stainless steel (SUS304 or the like) and is subjected to hard chrome plating (HCR) on its surface. In addition, in this embodiment, although the cross-sectional shape of the scraper part 73 is rectangular, it is not limited to this, A triangle, a trapezoid, a circle, an ellipse, an oblong shape, etc. may be sufficient, The shape is arbitrary. Moreover, you may form a some blade part along the edge of the edge part of the back of the valve 30 of the scraper part 73 in the rotation direction. The scraper portion 73 may be made of synthetic resin.

In addition, in this embodiment, as shown in FIGS. 3-5, when rotation more than predetermined load acts on the arm part 72 (scraper part 73) to the base end part of the arm part 72, Clamp portion 80, which is a rotation permitting mechanism, is provided. The clamp portion 80 includes a cutout portion 81 formed along the axis of the shaft portion 71 at the proximal end of the arm portion 72 and a pair of clamping portions 82 formed by the cutout portion 81. And a clamping surface 83 of approximately the same diameter as the shaft portion 71 formed on the opposing surfaces of the pair of clamping portions 82 and the pair of clamping portions 82, respectively, to clamp the clamping surface 83. The bolt 84 which pinches the shaft part 71 between is provided.

In addition, in this embodiment, as shown in FIG. 2, the scraper part 73 is a rotational direction of the valve 30 from the seat ring 40 arrange | positioned at the discharge side (lower side of FIG. 2) of the casing 20. As shown in FIG. At the same time, it is disposed within the range of the forward direction of the valve 30 from the seat ring 40 disposed on the input side (upper side in FIG. 2) of the casing 20.

Moreover, in this embodiment, as shown to FIGS. 1-3 and 6, the pair of side plates 32 and the pair of side plates 32 of the valve 30 are made to the pair of side plates 32 of the valve 30. FIG. The collection blade 91 for collecting the workpiece to be transported into the gap space S of the first and second bonnet plates 23 and 24, and the workpiece to be collected by the collection blade 91 in the pocket 34. A circular introduction port 92 to be introduced is provided.

As shown in FIG. 6, the collecting blade 91 is concave toward the rear in the rotational direction of the valve 30 and is formed in an arc shape so as to be continuous to the opening edge of the introduction port 92. In addition, the collecting blade 91 is formed along the opening edge of the circular inlet 92.

In addition, in this embodiment, as shown in FIG. 6, the collection blade 91 and the inlet port 92 are arrange | positioned near the edge of the rotation direction front of the valve 30 of the opening part 33. As shown in FIG. In addition, although only one set is provided with respect to the side plate 32 of the valve 30, the collection blade 91 and the introduction port 92 are not limited to this, You may provide multiple sets.

In addition, the collection blade 91 is made of stainless steel (SUS304 or the like), and is subjected to hard chrome plating (HCR) on its surface. On the other hand, in this embodiment, although the collection blade 91 is fixed to the side plate 32 of the valve 30 by welding, it is not limited to this, You may fix by screwing together, In this case, a synthesis It may be made of resin. Furthermore, the collecting blade 91 may be integrally formed by a mold. In addition, in this embodiment, although the introduction port 92 is formed circularly, it is not limited to this, A triangle, a square, a trapezoid, an ellipse, an oval shape, etc. may be sufficient, The shape is arbitrary.

In the fixed-quantity supply device 10 configured as described above, first, the object to be fed into the seat ring 40 from the upper opening of the first cylindrical portion 21 is located above the opening 33 of the rotating valve 30. While the seat ring 40 is in communication, a certain amount is introduced into the pocket 34 by gravity. Subsequently, the conveyed object introduced into the pocket 34 has the lower seat ring 40 by gravity while the valve 30 rotates and the opening 33 and the lower seat ring 40 communicate with each other. A certain amount is derived in the φ) and discharged from the lower end opening of the first cylindrical portion 21. At this time, since the object to be conveyed in the pocket 34 is scraped off by the scraper device 70 and collected at the same time, it is not fixed in the pocket 34 and is discharged quickly. For example, even if the object to be conveyed is fixed in the pocket 34, the object to be conveyed by the scraper device 70 is crushed and collected, so that the object to be conveyed is quickly discharged.

Further, for example, even if a workpiece is sandwiched between the inner surface of the valve 30 and the arm portion 72 and the scraper portion 73, the clamp portion when a predetermined load or more acts on the arm portion 72. 80 permits the rotation of the arm portion 72, and the arm portion 72 and the scraper portion 73 rotate together with the valved object in the same manner as the valve 30, thereby causing the object to be pinched. Stopping of the valve 30 is avoided.

In addition, by rotating the valve 30, the object to be transferred enters the gap space S between the pair of side plates 32 and the first and second bonnet plates 23 and 24 of the valve 30. However, the conveyed object is quickly collected by the collecting blade 91 of the valve 30 and introduced into the pocket 34 through the inlet 92. Thereby, since solidification of the to-be-transferred object in clearance gap S is prevented, rotation of the valve 30 is favorably supported.

As explained above, according to the fixed-quantity supply apparatus 10 of this embodiment, in the pocket 34 of the valve 30, the scraper apparatus 70 which scrapes off the to-be-transmitted object introduced into the pocket 34 is dropped. In this case, the object to be conveyed in the pocket 34 can be quickly discharged without being fixed. Thereby, it can prevent reliably that the to-be-transferred object adheres to the pocket 34 of the valve 30. FIG.

Moreover, according to the fixed quantity supply apparatus 10 of this embodiment, the scraper apparatus 70 is inserted concentrically by the 2nd rotating shaft 36 of the valve 30, and the one end part is fixed to the bearing cover 24a. An arm portion 72 including a shaft portion 71, a pair of arm portions 72 supported by the shaft portion 71, and a scraper portion 73 fixed to the tip portion of the pair of arm portions 72. Since the clamp part 80 which allows rotation when a predetermined load or more is applied to the arm part 72 is provided in the base end of the arm part, the inner surface of the valve 30, the arm part 72 and the scraper are, for example. Even if the workpiece is sandwiched between the portions 73, the clamp portion 80 allows the arm portion 72 to rotate by applying a predetermined load or more to the arm portion 72. The arm portion 72 and the scraper portion 73 rotate together with the valve 30 together. Thereby, since the stop of the valve 30 by the pinched object to be conveyed is avoided, it can prevent that the whole work line in which the fixed quantity supply apparatus 10 is equipped is stopped unexpectedly.

Moreover, according to the fixed-quantity supply apparatus 10 of this embodiment, the scraper part 73 is a back direction of rotation of the valve 30 from the seat ring 40 arrange | positioned at the discharge side of the casing 20, and the casing Since it is arrange | positioned in the range of the front of the rotation direction of the valve 30 from the seat ring 40 arrange | positioned at the inlet side of 20, the to-be-transported object collect | collected by the scraper part 73 makes the opening part of the valve 30 ( 33) can be discharged efficiently. As a result, the processing capacity of the metering device 10 can be kept constant.

Moreover, according to the metering-supply apparatus 10 of this embodiment, the valve 30 is the collection blade 91 which collects the to-be-feeded object which entered the clearance space S of the valve 30 and the casing 20, and And the inlet 92 for introducing the object to be collected collected by the collecting blade 91 into the pocket 34, for example, the clearance space S between the valve 30 and the casing 20. Even if the object to be conveyed has entered, the object to be conveyed is quickly collected by the collecting blade 91 and introduced into the pocket 34 through the inlet 92. Thereby, since the object to be conveyed in the clearance gap S between the valve 30 and the casing 20 can be prevented, the rotation of the valve 30 can be maintained satisfactorily.

In addition, according to the metering-feeding apparatus 10 of this embodiment, the collection blade 91 is concave toward the rear of the rotation direction of the valve 30, and it is arc-shaped so that it may be continued to the opening edge of the introduction port 92. Since it is provided, the to-be-transmitted object which entered the clearance gap S of the valve 30 and the casing 20 can be collected efficiently along the collection blade 91, and can be introduce | transduced into the pocket 34 quickly. .

Moreover, according to the metering-feeding apparatus 10 of this embodiment, the collection blade 91 and the inlet port 92 are arrange | positioned near the edge of the valve 30 opening direction 33 ahead of the valve 30 rotation direction. As a result, the conveyed object collected by the collecting blade 91 can be quickly introduced into the pocket 34 using gravity.

Moreover, as a 1st modification of the valve 30 of this embodiment, as shown in FIG. 7, the pair of side plates 32 of the valve 30 instead of the collection blade 91 and the inlet port 92. As shown in FIG. ), A plurality of stirring blades 93 for stirring the object to be fed into the gap space S of the pair of side plates 32 and the first and second bonnet plates 23 and 24 of the valve 30. You may provide it. This stirring blade 93 is a shape which protrudes toward the front of the rotation direction of the valve 30, and is formed in substantially "V" shape when seen from the axial direction.

According to this modification, since the to-be-transferred object which entered the clearance space S of the valve 30 and the casing 20 is always stirred by the some stirring blade 93, the to-be-transported object in the clearance space S is carried out. Solidification of water can be prevented and rotation of the valve 30 can be kept favorable.

In addition, as a 2nd modification of the valve 30 of this embodiment, as shown in FIG. 8, instead of the collection blade 91 and the inlet port 92, the pair of side plates 32 of the valve 30 are shown. ), To be discharged to the outer circumferential surface of the valve 30 to be transferred to the gap space (S) of the pair of side plates 32 and the first and second bonnet plates (23, 24) of the valve (30). The discharge blade 94 may be provided. The discharge blade 94 protrudes toward the front of the valve 30 in the rotational direction and is formed in an arc shape.

According to this modification, the to-be-transported object which entered the clearance gap S of the valve 30 and the casing 20 is discharged | emitted to the outer peripheral surface of the valve 30 by the discharge blade 94, and the discharged to-be-transmitted object is carried out. Since water is drawn out in the lower seat ring 40 with the rotation of the valve 30, it is possible to prevent solidification of the conveyed object in the gap space S, and to maintain the rotation of the valve 30 satisfactorily. have.

In addition, this invention is not limited to what was illustrated in the said embodiment, It is possible to change suitably in the range which does not deviate from the summary of this invention.

For example, in the above embodiment, the quantitative supply apparatus processed the powder as a conveyed object, but is not limited to this, and it is also possible to process a particulate or slurry state, specifically, an organic powder, It is possible to process metal powder, resin powder, resin pellets, glass beads, wood chips, wood chips, wood fibers, activated flux, activated carbon, limestone, ash and sludge.

10 Metering device
20 casing
21 first cylinder
22 2nd cylindrical part
23 first bonnet board
24 second bonnet board
25 valve receptacle
26 flange
30 valve
31 cylinder
32 side panels
33 opening
34 pockets
35 1st rotating shaft
36 2nd rotating shaft
40 seating
41 contact surface
42 Outer Side Grooves
50 drive
60 Adhesion Adjustment Mechanism
70 Scraper Unit
71 shaft
72 arm parts
73 scraper
80 Clamp (Rotating Allowance)
91 collecting blade
92 inlet
93 stirring blade
94 ejection blade
S gap space

Claims (4)

Casing of the tubular shape,
A valve having a pocket in the casing, rotatably provided with an axis of rotation intersecting in the tubular direction of the casing, and having a pocket into which the object to be fed is fed;
A pair of seating rings fitted to both sides of the casing in the tubular direction and tightly sealed to the valve,
It is a fixed-quantity supply apparatus which discharges the to-be-feeded object which injected from the one end side of the said casing by fixed amount by the fixed amount from the other end side of the said casing by rotating the said valve,
And the valve has a blade for collecting the object to be transported into the gap space between the valve and the casing, and an introduction port for introducing the object to be transported by the blade into the pocket. The method of claim 1,
The valve, the cylindrical portion,
A pair of side plates for closing both ends of the cylindrical portion,
An opening formed in a main surface of the cylindrical portion,
The blade and the introduction port, characterized in that provided in at least one of the pair of side plates. The method of claim 1,
And the blade is concave toward the rear in the rotational direction of the valve and is provided in an arc shape so as to be continuous with the opening edge of the inlet. 4. The method according to any one of claims 1 to 3,
The blade and the introduction port, characterized in that disposed in the vicinity of the end edge of the front of the valve in the rotational direction of the valve opening.

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