JPH07236404A - Stirrer - Google Patents

Abstract

PURPOSE:To provide a stirrer improved in stirring performance, capable of reducing the time required for stirring materials to be stirred, easy to take out the stirred materials from the mixing tank and also easy to clean the inside of the mixing tank. CONSTITUTION:This stirrer is equipped with a mixing tank 12 in which plural concave-shaped parts 12A respectively having a circular-arc-shaped cross-section are formed at the lower part, plural agitating blades 16 arranged parallel to each other leaving a little space between the circular locus of the top of each blade and the inside surface of each concave-shaped part 12A in the lower part of the mixing tank 12 and a rotational mechanism for the agitating blades 16 having a primary drive. In this stirrer, the respective agitating blades 16 have a porch shape and a rotary shaft 15 is connected to the outside of the basal part of each agitating blade 16. The circular locus of the top part of each agitating blade 16 passes near the centerline of rotation of the adjacent agitating blade 16 and the respective agitating blades 16 perform a synchronous rotation in the same direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stirrer, and more specifically, it can shorten the stirring time of an object to be stirred and improve the stirring property, and can easily take out the stirred object from the stirring container. The present invention relates to a stirrer device that can easily clean the inside of a stirrer container.

[0002]

2. Description of the Related Art Conventionally, as a stirring device for kneading bread dough, for example, a horizontally long stirring container with a lower portion protruding like a hump and a pair of stirring blades for stirring the bread dough arranged in parallel in the lower portion of the stirring container. A structure including a structure and a rotation mechanism of a stirring blade structure having a drive motor is known.

Each stirring blade structure is formed by fixing gate-shaped stirring blades projecting equiangularly in three directions around a rotary shaft horizontally installed in the stirring vessel. The directions of rotation were opposite so that the bread dough was rolled up between them.

[0004]

However, when the bread dough is actually kneaded by using such a conventional stirring device, the stirring rod of each stirring blade is located away from the center of the stirring blade. The dough in the vicinity was hard to be stirred and adhered to the rotating shaft without being sufficiently kneaded.
This causes unevenness in the stirring property of the dough, and when taking out the kneaded dough, it is troublesome to remove the sticky dough from the rotary shaft.

Also, like the conventional stirring device, if the rotating direction of the stirring blades arranged in the same direction is set to the same direction as shown by the arrow, it seems that the stirring property is improved at first glance. It was found that a very good stirring property could not be obtained.

The present invention has been made in view of the above circumstances, and it is possible to shorten the stirring time of a kneaded material and improve the stirring property, and it is easy to take out the stirred kneaded material from the stirring container and to clean the inside of the stirring container. The object is to provide an easy stirring device.

[0007]

A method according to the above-mentioned object.
The stirring device described is a stirring container in which a plurality of concave portions having an arcuate cross section are formed in the lower portion, and a slight gap between the trajectory circle of the blade tip and the inner surface of each of the concave portions in the lower portion of the stirring container. And a plurality of stirring blades arranged in parallel with each other and a rotating mechanism of the stirring blade having a drive source, each stirring blade having a gate shape, and a base portion of the stirring blade. A rotation shaft is connected to the outside, the tip locus circles of the respective stirring blades are near the rotation center line of the adjacent stirring blades, and the respective stirring blades are configured to rotate synchronously in the same direction. Has been done.

A stirring device according to a second aspect is the stirring device according to the first aspect, wherein the gate-shaped stirring blade has plate-shaped connecting arms on both sides and a stirring rod having a circular cross section.
Further, the side portion in the rotation direction of the connecting arm is configured to constitute a scraping portion for scraping the material to be stirred attached to the side plate of the stirring container by the inclined cut. Further, claim 3
The stirrer described is the stirrer according to claim 1 or 2, wherein the power transmission system of the rotating mechanism is configured to rotate the respective stirring blades from the left and right sides in synchronization via gears. Furthermore, in the agitating device according to claim 4, in the agitating device according to claim 1 or 2, the power transmission system of the rotating mechanism has left and right independent motors in which rotational position detecting means of the agitating blades are provided. Then, the stirring blades are synchronously rotated from the left and right sides.

[0009]

In the stirrer according to any one of claims 1 to 4, when an object to be stirred is put in a stirring container and a stirring blade is rotated by a drive source, adjacent tips do not come into contact with each other, and the tip loci of each other are circled. Since they rotate in the vicinity of the rotation center lines of the stirring blades so that they intersect with each other, the kneaded material in the vicinity of the rotation center portion of the gate-shaped stirring blade is also well stirred by the adjacent stirring blades. Moreover, since the adjacent stirring blades rotate in the same direction, the stirring property of the paste is further improved. When the kneaded product is taken out of the stirring container after stirring, the rotating shaft is not laterally placed in the center of the stirring blade as in the conventional case. Easy to clean the inside of the container.

Particularly, in the agitator according to claim 2,
While the stirring blade is rotating, the scraped-off scraping portion of the connecting arm scrapes off the material to be stirred adhering to the side plate of the stirring container, so that the material to be stirred can be thoroughly stirred. Further, in the agitating device according to the third and fourth aspects, since each of the gate-shaped agitating blades is synchronously rotated from the left and right sides by using a motor having a gear and a rotational position detecting means in a power transmission system of a rotating mechanism, Even if the blade has a relatively weak shape such as a portal shape, the stirring blade does not deform and can be stirred well.

[0011]

Embodiments of the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. In the examples, a stirring device that stirs bread dough, which is an example of a paste, will be described as an example. 1 is a perspective view of a stirring device according to a first embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of a main part of the rotating mechanism, and FIG. 3 is an enlarged perspective view including a partial cross-sectional view of the stirring container. FIG. 4 is an enlarged cross-sectional view of the stirring container,
FIG. 5 is an enlarged sectional view of a bearing portion of the stirring blade, and FIG. 6 is an enlarged plan view of a main portion of the stirring blade of the stirring device according to the second embodiment of the present invention.

First, the first aspect of the present invention will be described with reference to FIGS.
The stirrer according to the embodiment will be described. As shown in FIG. 1, a stirring device 10 according to a first embodiment of the present invention includes a horizontally long stirring container 1 between upper parts of left and right mounting boxes 11.
2 is rotatably attached to the shaft, and a pair of stirring blade structures 13 for stirring bread dough are rotatably arranged in parallel in the lower portion of the stirring container 12. In addition, in the lower portion of the stirring container 12, a pair of concave portions 12 having an arcuate cross section are formed so as to project downward.
A is formed, and one stirring blade structure 13 is arranged in each recess 12A. The lower parts of the left and right mounting boxes 11 are connected by a connecting box 11A, and the control unit 14 is mounted on one of the mounting boxes 11.

As shown in FIG. 3, each stirring blade structure 13 has a pair of gate-shaped stirrings at the tips of a pair of rotating shafts 15 projecting from both side plates 12a of the stirring container 12 into the container. The blades 16 are the stirring blades 1 of the adjacent stirring blade structure 13.
It is fixed at an angle of 10 to 75 degrees, preferably 50 to 75 degrees so that it can be stirred well without coming into contact with each other. The stirring blade structure 13 is arranged so that there is a slight gap between the locus circle of the blade tip of each stirring blade 16 and the inner surface of each recess 12A.

Each of the rotating shafts 15 protrudes only by a width capable of fixing the stirring blades 16 in the stirring container 12, and the stirring blades 16 are inclined and cut at the side in the rotation direction into a scraper shape. It has a pair of connecting arms 17 (see FIG. 5) and a stirring rod 18 connected between the connecting arms 17. Moreover, as shown in FIG. 4, the respective stirring blade structures 13 are arranged at positions where the rotating stirring blades 16 interfere with each other without causing the rotating stirring blades 16 to contact each other. Here, the rotating stirring rod 18 is arranged so as to pass substantially around the rotation center of the stirring blade 16.
Next, the rotation mechanism 19 of the stirring blade 16 will be described with reference to FIGS.

As shown in FIG. 2, the rotating mechanism 19 is arranged in the mounting casings 11 on both sides. Less than,
The mechanical portion housed in the one mounting casing 11 will be described. As shown in FIG. 5, each rotating shaft 15
The root part of the base plate projects into the mounting casing 11 via the bearing 20. The side plate 21 of the casing 11 is formed with an arcuate notch 22 into which the bearing 20 is inserted so that the stirring container 12 can be rotated without any hindrance when the stirring container 12 is rotated. A gear 25 is fixed to each of the rotating shafts 15 protruding into the mounting casing 11. In addition,
The bearing 20 includes a pair of oil seals 23 at both ends of the inner peripheral surface.
Is disposed, and a pair of bearings 24 are fixed inside thereof.

As shown in FIGS. 2 and 4, a rotary shaft 27 projecting into the mounting casing 11 is fixed to both side plates 12a of the stirring container 12 via fixing metal fittings 26.
A substantially central portion of the rotating shaft 27 is pivotally supported by a bearing 29 provided on an upper portion of a plate 28 extending upward from the bottom surface of the mounting casing 11. A double gear 30 having two gears integrally fixed thereto is rotatably mounted between the fixing fitting 26 of the rotary shaft 27 and the bearing 29 via a bearing. A worm wheel 32 meshed with the worm 31 is fixed to the tip portion of 27.
As shown in FIG. 1, the worm 31 is fixed with an operation shaft 33 that extends outward through the front plate of the mounting casing 11, and a handle 34 is fixed to the tip of the operation shaft 33. When the operator rotates the handle 34, the rotation shaft 27 rotates via the worm gears 31 and 32, and the stirring container 12 rotates.

One gear 30a of the double gear 30 is meshed with a gear 25 fixed to both rotary shafts 15, and the other gear 30b is provided with a U-shaped bracket 35.
The gear 36 is meshed with a gear 36 axially mounted on the plate 28. The gear 36 is meshed with a large-diameter gear 37 axially attached to the center of the plate 28 via a bracket 35. The gear 37 is a long synchronous shaft 38 axially attached to the lower portion of the plate 29. It is meshed with a gear 39 fixed to the. The synchronizing shaft 38 is rotatably mounted between the plates 28 provided in the mounting casings 11 on both sides through the connecting box 11A.

A drive motor 40, which is an example of a drive source, is attached to the bottom surface of the connection box 11A, and a sprocket 41 is fixed to the shaft of the drive motor 40. Further, sprockets 42 are fixed near both ends of the synchronous shaft 38, and a chain 43 is stretched between the sprockets 40 and 41. When the drive motor 40 rotates, the synchronous shaft 38 rotates via the chain 43, and in the respective mounting casings 11, via the gears 39, 37, 36, 30b, 30a, 25,
By rotating each rotating shaft 15, each stirring blade 16 rotates synchronously from the left and right sides. As described above, since the respective stirring blades 16 rotate synchronously from the left and right sides, the stirring blades 16 are less likely to be twisted, and the stirring blades 16 can be prevented from being damaged due to the twisting. At this time, the rotation directions of the respective stirring blades 16 are the same.

Next, the operation of the stirring device 10 according to the first embodiment of the present invention will be described. As shown in FIG. 3, when the wheat flour which is the material of the bread dough P and an appropriate amount of water are put in the stirring container 12 and the drive motor 40 is rotated, the respective rotation shafts 15 rotate in a predetermined direction, and each stirring is performed. The blades 16 rotate in the same direction so that the stirring blades 16 of the adjacent stirring blade structures 13 do not come into contact with each other and interfere with each other in their rotation loci. As a result, the ingredients of the bread dough P are kneaded into the bread dough P by the stirring rods 18 which are horizontally installed on the respective stirring blades 16. At this time, the gate-shaped stirring blade 16
Since the bread dough P in the vicinity of the center of rotation is kneaded by the stirring blade 16 of the adjacent stirring blade structure 13, good stirring properties can be obtained over the entire bread dough P and the stirring time can be shortened. Further, since the stirring blades 16 of the adjacent stirring blade structures 13 rotate in the same direction, the bread dough P
The stirring property of is further improved. Then, the bread dough P attached to the side plate 12a of the stirring container 12 is scraped off by the inclined cut scraper portion of the connecting arm 17 while the stirring blade 16 is rotating, so that the bread dough P can be thoroughly stirred (Fig. 5).

Further, in the stirring device 10 of the first embodiment, the rotary mechanism 19 for transmitting the power of the drive motor 40 to the stirring blade structure 13 employs a gear type power transmission system, and each gate is used. Since the stirrer blade 16 of the shape is rotated synchronously from the left and right sides, even if the stirrer blade 16 has a relatively weak shape such as a gate shape, the stirrer blade 16 is not deformed and is excellent. It can be stirred.

When the bread dough P is taken out from the stirring container 12 after stirring, as shown in FIG. 1, the handle 34 is rotated to rotate the rotating shaft 27 through the worm gears 31 and 32.
The dough P is taken out from the downward opening of the stirring container 12 by rotating the stirring container 12 in the direction indicated by the arrow in FIG. At this time, unlike the conventional case, since the rotating shaft is not laterally provided in the center of the stirring blade, the operator does not need to peel off the bread dough P attached to the rotating shaft, and the stirred bread dough P is stirred. It is easy to take out from 12, and since there is no rotating shaft, the stirring container 1
The entire area of 2 can be cleaned well.

Next, a stirring device according to a second embodiment of the present invention will be described with reference to FIG. In the stirring device 50 of the second embodiment of the present invention, one stirring blade 52 is arranged in each stirring blade structure 51, and the center portion of the other stirring blade structure 13 adjacent to the stirring blade 53 is provided by the stirring rod 53. In order to be able to directly stir the dough P in
The second connecting arm 54 is extended, and the connecting arm 54
The tip end of the is bent and formed so as to avoid the rotating shaft 15 of the other stirring blade structure 13. In this way, the dough P at the center of the stirring blade structure 13 is
Since the dough can be directly stirred, the stirring property of the bread dough P is further improved.

The present invention has been described above with reference to the drawings. However, the present invention is not limited to this embodiment, and the present invention includes a design change and the like within a range not departing from the gist. For example, in the examples, bread dough is shown as the object to be agitated, but not limited to this, for example, noodle dough, pasta dough, food dough such as kamaboko material, cement, adhesive, etc. Any other type may be used.

Further, in the embodiment, as the stirring container, a horizontally long container having a lower portion protruding in the shape of two humps is shown. However, the stirring container is not limited to this, and may be a simple rectangular container.
Furthermore, in the embodiment, one or two stirring blades are arranged in each stirring blade structure, but the number of stirring blades is not limited to this and may be three or more.

Furthermore, three or more stirring blades may be arranged in parallel and each may be rotated by a rotating mechanism. Also in this case, the respective stirring blades must be arranged at positions where the adjacent ones interfere with each other without causing contact with each other, and the rotation directions of the respective stirring blades must be the same. The shape of the stirring blade is not limited to the shape of the embodiment, and may be any shape as long as it is a gate shape.

Further, the rotating mechanism is not limited to the structure of the embodiment, but may be of any driving type. For example, the power transmission system of the rotating mechanism may use the paired motors having the rotational position detecting means to synchronously rotate the gate-shaped stirring blades from the left and right sides. Further, the positions of the adjacent stirring blades are not limited as long as the adjacent stirring blades are arranged at positions where the adjacent stirring blades interfere with each other without causing contact with each other.

[0027]

According to the agitating device of the present invention, when the agitating object is put in the agitating container and the agitating blades are rotated in this way, the tips of the adjoining objects do not come into contact with each other, As the circles rotate in the vicinity of the rotation center lines of the stirring blades so that the circles intersect, the objects to be stirred near the rotation center of the gate-shaped stirring blades are stirred by the adjacent stirring blades. The property can be improved and the stirring time can be shortened. Moreover, since the rotation directions of the adjacent stirring blades are not the opposite directions as in the conventional case but the same direction, the stirring property of the object to be stirred is further improved. Further, unlike the conventional case, since the rotating shaft that does not get in the way is not horizontally installed in the center of the stirring blade,
After stirring, the object to be stirred can be easily taken out from the stirring container and the inside of the stirring container can be easily cleaned.

Particularly, in the agitating device according to the second aspect of the present invention, while the agitating blade is rotated, the agitating scraping portion of the connecting arm scrapes off the agitated object adhering to the side plate of the agitating container. It is possible to stir the object to be agitated thoroughly.
Further, in the stirring device according to the third and fourth aspects, since the respective gate-shaped stirring blades are synchronously rotated from the left and right sides, even if the stirring blades have a relatively weak shape such as a gate-shaped stirring blade, the stirring blades. Can be stirred well without causing deformation.

[Brief description of drawings]

FIG. 1 is a perspective view of a stirring device according to a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a main part of the rotating mechanism.

FIG. 3 is an enlarged perspective view including a partial cross-sectional view of the stirring container.

FIG. 4 is an enlarged cross-sectional view of the stirring container.

FIG. 5 is an enlarged sectional view of a bearing portion of the stirring blade.

FIG. 6 is an enlarged plan view of an essential part of a stirring blade of a stirring device according to a second embodiment of the present invention.

[Explanation of symbols]

 10 Stirring Device 11 Mounting Box 11A Connection Box 12 Stirring Container 12a Side Plate 12A Recess 13 Stirring Blade Structure 14 Controller 15 Rotating Shaft 16 Stirring Blade 17 Connecting Arm 18 Stirring Bar 19 Rotating Mechanism 20 Bearing 21 Side Plate 22 Notch 23 Oil Seal 24 Bearing 25 Gear 26 Fixing bracket 27 Rotating shaft 28 Plate 29 Bearing 30 Double gear 30a Gear 30b Gear 31 Worm 32 Worm wheel 33 Operating shaft 34 Handle 35 Bracket 36 Gear 37 Gear 38 Synchronous shaft 39 Gear 40 Drive motor 41 Sprocket 42 Sprocket 43 chain 50 stirrer 51 stirrer blade structure 52 stirrer blade 53 connecting arm 54 stirrer bar P dough

Claims (4)

[Claims] 1. A stirring container having a plurality of recesses having an arcuate cross section formed in a lower portion thereof, and a slight gap is provided in a lower portion of the stirring container between a locus circle of blade tips and an inner surface of each of the recesses. An agitator provided with a plurality of agitating blades arranged parallel to each other and a rotating mechanism of the agitating blade having a drive source, wherein the agitating blades are gate-shaped, and the agitator blade has an outer side of a base portion. A rotation shaft is connected to the stirring blade, the tip locus circles of the respective stirring blades are near the rotation center line of the adjacent stirring blades, and the respective stirring blades rotate synchronously in the same direction. Stirrer to do. 2. The gate-shaped stirring blade has plate-shaped connecting arms on both sides and a stirring rod having a circular cross section, and the side portion in the rotation direction of the connecting arm is inclined to cut the stirring container. The stirrer according to claim 1, wherein the stirrer comprises a scraping portion for scraping an object to be stirred attached to the side plate. 3. The stirring device according to claim 1, wherein the power transmission system of the rotating mechanism rotates the respective stirring blades synchronously from the left and right sides via gears. 4. The power transmission system of the rotating mechanism has left and right independent motors provided with rotation position detecting means for the stirring blades, and synchronously rotates the stirring blades from the left and right sides. The stirring device according to claim 1 or 2, which is characterized.