JPH0292B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a continuous summing machine that has a compact structure, can perform summing operations efficiently, and is easy to manufacture.

BACKGROUND ART Conventionally, there has been known a continuous watering machine in which a shaft rotates within a cylinder, and a feed section, a kneading section, and an extrusion section are formed from a material input port. In the case of this device, if the kneading section is to be sufficiently kneaded, the kneading section becomes long and the device becomes large, and if the kneading section is configured to be short, the internal structure of the cylinder becomes complicated and it takes time and effort to manufacture. There's a problem.

In addition, since the bulk of the material decreases from the initial stage of kneading as the kneading progresses, if the size of the passage is constant as in the kneading section of conventional equipment, the gap will gradually increase as kneading progresses. becomes larger, making it difficult to apply pressure to the material. It is necessary to apply pressure to the material in order to perform the shearing and turning actions efficiently, and if the gap becomes large and no pressure can be applied, it becomes difficult to perform the kneading action. Fine powder such as pigment is discharged without being kneaded in a secondary agglomerated state.

The present invention has been made to solve these conventional drawbacks, and the kneading section is shortened to miniaturize the apparatus, and the kneading can be carried out efficiently.

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a hopper, 1a is a quantitative feeder, 1c is a material supply port, and 4 is a cylinder. A rotating shaft 31 rotated by the drive device 2 is inserted into the cylinder 4, and a screw is formed on this rotating shaft 31 up to the tip. An extruded portion X is formed by the screw 59. Furthermore, rotating disks 6, 9, and 11 are installed at predetermined intervals between them, and a wide rotating disk 1
3 is placed on the tip side. rotating disk 6,
9 and 11, a kneading section K ₁ and a rotating disk 13 form a vent section V. A screw 10 is formed on the shaft between these rotating disks.

Between the cylinder 4 at the base and the cylinder 30 at the tip are annular members 14, 17, 20 corresponding to the rotating disks 6, 9, 11, and fixed disks 16, 18, 21 disposed between them. An annular member 22 having a vent hole 12 is overlapped and connected to the cylinders 4 and 30 by a tie rod 24. Further, a heater 5 is arranged on the outer peripheral surface of the cylinder. An axially continuous groove 8 is formed in the upper part of the interior of the cylinder 4, and as shown in FIG. 2, the end thereof communicates with a vent hole 7 that opens to the outside.

As shown in FIG. 3, the rotating disk 6 has a plurality of protrusions 32 circumferentially formed on its side surface, extending radially from the center, and a recess 43 is formed between them. This configuration is substantially the same on the opposite side of the rotating disk. The outer peripheral end of the protrusion 32 protrudes from the outer peripheral surface of the rotating disk 6 and extends spirally in the axial direction to form a screw on the outer peripheral surface of the rotating disk.
As shown in FIG. 4, on the surface of the fixed disk 16 facing the rotating disk 6, three recesses 39 in the circumferential direction and protrusions 29 are formed between the recesses 39. The protrusions 32 of the rotating disk 6 are slightly inclined from the radial direction, and the inclination direction is such that on the inlet side of the device, the phase lags with respect to the rotational direction toward the outer circumference, and in the opposite direction on the outlet side. Therefore, the internal material is sent from the gap between the screw and the cylinder to the outer circumferential direction through between the rotating disk and the fixed disk, and after passing over the outer circumferential surface of the rotating disk, it is sent to the opposite side of the rotating disk. It is arranged so that it is sent toward the center between the surface of the disk and the fixed disk. As shown in FIG. 5, the rotating disk 9 is formed with a large number of radially extending protrusions 32 and recesses 43 between them.
2 is further formed. Further, as shown in FIG. 6, the fixed disk 18 facing this is formed with a large number of radially extending protrusions 29 and recesses 39. Therefore, if the depth of the recess is constant, the space formed between them is the recess 43,
This means that the amount has decreased by the amount that the volume of 39 has decreased. Furthermore, as shown in FIG.
As shown in FIG.
8 more protrusions 29 and recesses 39 than in
is formed.

By sequentially reducing the volume of the recesses in this way, the flow path becomes narrower as kneading progresses. Note that in order to narrow the flow path, the number of protrusions may be increased and the depth of the recess may also be decreased. Further, the number of rotating discs and fixed discs, and the number and shape of protrusions and recesses may be arbitrarily set depending on the materials to be kneaded. Further, the annular member 17,
A plurality of grooves 23 extending in the axial direction are formed in the circumferential direction on the inner circumferential surfaces of 20 and 26, and by facing the outer circumferential surface of the rotating disk, the relationship between the rotating disk and the fixed disk is improved. Similarly, the protrusions and recesses alternately face each other. The outer circumferential surface of the rotating disk 13 and the inner circumferential surface of the annular member 22 are similarly configured, and the screw flight formed at the outer circumferential end of the protrusion 32 and the axial groove 23 are opposed to each other.

In this way, the kneading section has a complicated shape due to the stationary disk and rotating disk facing each other, but the stationary disk and the annular member interposed between them are independent members. Because of this, they can be easily processed, and their assembly is also easy because they only need to be tightened with tie rods. Therefore, the kneading section can be made relatively short, thereby making the apparatus more compact and easier to manufacture.

Next, the operation of this device will be explained. First, the rotating shaft 31 is rotated by the drive device 2, and the quantitative feeder 1a is operated to feed the material in the hopper 1 into the cylinder 4 in fixed amounts. Since the inside of the cylinder 4 is heated by the heater 5, the supplied material 6 is dried and sent toward the rotating disk 6. Gas generated during this time is discharged from the groove 8 through the vent hole 7. The material that has reached the base of the rotating disk 6 is conveyed in the circumferential direction by the relative movement of the opposing surfaces of the rotating disk and the stationary disk, and is subjected to compressive and shearing effects.
That is, as shown in FIGS. 10 and 11, the portion where the valleys 43 and 39 face each other is wide;
The portion where the ridge 3 and the ridge 29 face each other is slightly narrower, and the portion where the ridge 29 and the ridge 32 face each other has a very small gap. Therefore, when the rotating disk moves in the direction of arrow R, the distance L between the boundary lines 41 and 42 decreases, and the material inside is subjected to a strong compressive action. The material subjected to compression is valley 43
It is pushed out between the ridges 32 and 29, and is subjected to a strong shearing action between the ridges 32 and 29. Such an action is performed in the same manner in the circumferential direction, that is, the compression process P and the shearing process S are alternately repeated in the circumferential direction. On the other hand, looking at the radial direction of the disk, the ridges 29 of the fixed disk are inclined from the radial direction, and the ridges 29 and 32 gradually face each other from the center toward the outer periphery, so that the material At the same time as applying a circumferential force, a radial force is also applied, and the material is sent out in the circumferential direction. At the outer periphery, the screw flight formed by the extension of the protrusion 32 and the groove 49 face each other as described above, so that the material is sheared here as well, similar to the relationship between the fixed disk and the rotating disk. and is sent under compression. On the opposite side of the rotating disk, compression and shearing are repeated in the same way as shown in FIGS. 10 and 11, and the peaks of the stationary disk are inclined so that the material is sent toward the center. The material that has reached the screw 10 is sheared and compressed in the same way as described above due to the action of the screw flight and the axial groove 23 formed on the inner circumferential surface of the annular member 16, and then the material is subjected to the next rotation. It is sent to the disk 9 and the same action is performed thereafter. Since the flow path of the material is formed so that it becomes narrower toward the screw tip, even if the bulk of the material decreases as kneading progresses, sufficient pressure can be maintained on the material. The sauce and the above-mentioned kneading are performed well.
In particular, if the number of protrusions and recesses is increased sequentially as described above, the number of encounters between the protrusions and recesses of the fixed disk and rotating disk per one rotation of the rotating shaft, that is, the shearing process S and the compression process P Since the number of repetitions of is increased and a cutting action is also added to this, kneading can be done efficiently.

Even during the kneading action, moisture contained in the material is gasified, but this gas is discharged from the vent hole while passing through the outer circumference of the rotating disk 13. Since the rotating disk 13 is set to have a wider width in the axial direction than the rotating disks 9 and 11, the volume of the material passage becomes larger, and therefore gas can be easily discharged.

The material from which the gas has been completely removed after passing through the rotating disk 13 passes through the extrusion section X and is extruded from the tip.

As explained above, this invention has a feed section,
In a continuous mixer having a kneading section and an extrusion section, the kneading section has a compact structure, which allows efficient kneading, and the flow passages of the kneading section are structured to gradually narrow. Therefore, even if the bulk of the material decreases as the kneading progresses, sufficient kneading can be achieved.

[Brief explanation of drawings]

FIG. 1 is a central vertical cross-sectional view showing an embodiment of the invention, FIG. 2 is a cross-sectional view taken along the - line, and FIG.
Line sectional view, Figure 4 is a shape diagram of the opposing surface in Figure 3,
Figure 5 is a sectional view taken along the - line in Figure 1, and Figure 6 is a cross-sectional view of Figure 5.
Figure 7 is a cross-sectional view taken along the - line in Figure 1, Figure 8 is a diagram of the shape of the opposite face in Figure 7, Figure 9 is a diagram of the shape of the opposing surface in Figure 7,
The figures are a sectional view taken along the line -- in FIG. 1, FIG. 10 is a summation process diagram, and FIG. 11 is a summation mechanism diagram. 3...Screw, 4,30...Cylinder,
6, 9, 11, 13... rotating disk, 14, 17,
20... Annular member, 16, 18, 21... Fixed disk.

Claims (1)

[Claims] 1. A plurality of rotating disks are attached to a rotating shaft having a screw formed on the outer circumference so as to rotate within a cylinder and transfer fluid in the axial direction, and both sides of each rotating disk are attached to the rotating shaft. The mountains and valleys are formed in a radial pattern,
A fixed disk is provided on the cylinder coaxially facing both sides, and the fixed disk is also formed with alternating peaks and valleys in a radial manner, and the rotating disk and fixed disk are separated from each other between the rotating shaft and the inner surface of the cylinder. The boundaries between the peaks and valleys are aligned in the radial direction so that the material fed between the two passes through the outer peripheral surface of the rotating disk and is sent to the center between the rotating disk and the fixed disk on the opposite side. A continuous slendering machine characterized in that the crests and troughs are formed at an angle, and the ridges and troughs are formed such that the space formed between the rotating disk and the stationary disk becomes smaller toward the tip end of the cylinder. . 2. The continuous smoothing machine according to claim 1, characterized in that the number of peaks and valleys formed on the stationary disk and the rotating disk increases toward the tip end of the cylinder.