JP2005318983A - Agitator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enlarge a variable range of an attachment angle of a connecting rod by improving attachment strength between a joint body and the connecting rod constituting a joint in the joint connecting between a driving shaft and an agitating rod of an agitator agitating a food material. <P>SOLUTION: The joint is constituted of a base plate 28, the joint body 26 having a set of two holding plates 29 in the upper surface of the base plate 28 and a set of two fixing plates 30 in the lower surface of the base plate 28, and the connecting rod detachably attached to the joint body 26. The base plate 28 is formed with a shaft hole 31 for inserting a driven shaft of a rotation driving part and a connecting rod angle adjusting hole 32 for inserting the connecting rod, the connecting rod is inserted in the connecting rod angle adjusting hole 32 of the base plate 28, the upper part of the connecting rod is attached by being clamped between the holding plates 29 and the fixing plates 30 and the agitating rod is detachably attached to the lower part of the connecting rod. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a stirrer for mixing ingredients such as knead, cream, jam, curry roux, sauce, soup, boiled food, and fried food while heating with a heating kettle, and in particular, rotatably supports a stirrer bar of the stirrer. It relates to the joint structure.

FIG. 5 shows a main part of a conventional stirrer of this type.
In FIG. 5, the code | symbol 1 shows a joint main body. The joint body 1 is configured by fixing the three connecting rods 2, 2, 2 at their base ends, and has a shade-like appearance, and a drive shaft 3 is inserted in the center thereof. It has been fixed. The connecting rod 2 is attached to the drive shaft 3 in an inclined manner and has a divergent shape.

Further, the drive shaft 3 is inclined with respect to the vertical line, and meshed with an angle bevel gear 8 fixed to the main rotating shaft 7 of the drive unit 6 via an angle bevel pinion 5 fixed to the upper portion thereof. The rotation of the main rotation shaft 7 of the drive unit 6 causes rotation and revolving around the main drive shaft 7, and the joint body 1 also rotates and revolves.
The drive unit 6 includes a motor 9 and a reduction gear 10 with a clutch that conducts the rotational force from the motor 9 to the main drive shaft 8.

  Further, a stirring rod (not shown) is detachably attached to the tip of the connecting rod 2 so as to rotate as the joint body 1 rotates and revolves. The stirring rod has a built-in coil spring, and its length in the longitudinal direction can be freely expanded and contracted, and is always urged downward. In addition, a stirring blade made of fluororesin or the like is attached to the tip of the stirring rod.

  With this structure, the stirring rod revolves, the joint body 1 revolves, and since the drive shaft 3 is inclined and the stirring rod is inclined at the same time, the stirring rod rotates with a wide and complicated rotation locus. The agitating blade attached to the tip of the agitation rod is agitated so that the ingredients put in a heating kettle (not shown) can be agitated and mixed uniformly.

In such a conventional stirrer, the joint has the following problems, and improvement is desired.
First, since the joint body 1 and the connecting rod 2 are mounted by one bolt, the mounting strength is insufficient and it is not suitable for high load agitation.
Moreover, although the attachment angle of the connecting rod 2 can be varied, the variable range is narrow, and the rotation region of the stirring rod cannot be widened.
For example, the following are known as prior art relating to such a stirrer for food.
Japanese Patent No. 2950509 JP 2001-275835 A

  Therefore, the subject in this invention is that the attachment intensity | strength of a joint main body and a connecting rod is high, and exists in widening the variable range of the attachment angle of a connecting rod.

To solve this problem,
The invention according to claim 1 is a stirrer provided with a joint that individually supports one or more stirring rods at the tip thereof, and that rotates the stirring rods, and a drive unit that rotationally drives the joints,
The rotational drive unit includes a main drive shaft that is rotationally driven by a power source, and a slave drive shaft that is driven by the main drive shaft. The main drive shaft is parallel to the vertical line, and the slave drive shaft is relative to the vertical line. Is inclined,
A joint body composed of a base plate, one or two gripping plates projecting on the upper surface of the base plate, and a set of two fixing plates projecting on the lower surface of the base plate; It consists of a connecting rod that is detachably attached to the joint body,
The base plate is formed with a shaft hole through which the driven shaft extending from the drive unit is inserted, and a connecting rod angle adjusting hole through which the connecting rod is inserted,
The upper part of the connecting rod is inserted into the connecting plate angle adjusting hole of the base plate, and the upper part of the connecting rod is sandwiched between the gripping plate and the fixing plate and attached.
The connecting rod is a stirrer characterized in that a stirring rod is detachably attached to a lower portion thereof.

The invention according to claim 2 is the stirrer according to claim 1, wherein the upper portion of the connecting rod and the grip plate are rotatably attached by pin coupling.
The invention according to claim 3 is the stirrer according to claim 1, wherein a stirrer is detachably attached to the tip of the driven shaft inserted through the base plate via an adapter.

  In the invention according to claim 4, the two or more connecting rods attached to the base plate are attached so that the attachment angles thereof are different, and thereby the rotation trajectories of the two or more stirring rods are different from each other. The stirrer according to claim 1, wherein

In the stirrer of the present invention, the connecting rod can be fixed in a state of being sandwiched between the holding plate and the fixing plate of the joint main body, so that the connecting rod is firmly fixed to the joint main body and both have high mounting strength. It becomes.
In addition, in the case where the upper part of the connecting rod is attached to the grip plate by pin connection, the connecting rod can be rotated around the pin, and the variable range of the attachment angle is wide.

  Further, in the case where two or more connecting rods attached to the base plate are attached so that their attachment angles are different, the rotation trajectories of the two or more stirring rods are rotated so that the objects to be stirred are It can be uniformly stirred and can be prevented from being burnt.

Hereinafter, specific examples of the present invention will be described in detail with reference to the drawings.
1 to 3 show an example of a stirrer according to the present invention. In these drawings, reference numeral 11 denotes a base. A column 12 is erected at one corner of the base 11. A rotation drive unit 13 is fixed to the upper end portion of the column 12. The rotation drive unit 13 includes a gantry 14 fixed to the upper end of the support column 12 and a gear motor 17 in which a motor 15 on the gantry 14 and a reduction gear 16 are directly connected. The rotation of the motor 15 is decelerated, In addition, the rotation axis direction is changed and transmitted to the main drive shaft 18.

On the other hand, hook support legs 19, 19 are fixed on the base 11, and a heating pot 20 is swingably attached to the hook support legs 19, 19, and the heating pot 20 is tilted as necessary. The food in the heating pot 20 can be taken out.
The heating pot 20 is arranged so that the center thereof and the position of the main drive shaft 18 of the rotary drive unit 13 coincide.

The main drive shaft 18 of the rotation drive unit 13 extends downward in the vertical direction, and a sun gear 21 is attached to the main drive shaft 18. The sun gear 21 is meshed with a planetary gear 23 attached to the base end portion of the driven shaft 22, and the distal end portion of the driven shaft 22 protrudes from the gear case 24 to which the joint 25 is attached. Yes.
The front end of the main drive shaft 18 is attached to a gear case 24. The front end of the main drive shaft 18, the sun gear 21, the driven shaft 22, and the planetary gear 23 are accommodated in the gear case 24. The portion of the gear case 24 through which the main drive shaft 18 passes is rotatably attached to the main drive shaft 18 via a bearing.

By adopting such a structure, the rotation of the main drive shaft 18 causes the gear case 25 to rotate, the slave drive shaft 22 revolves around the main drive shaft 18 and rotates.
The slave drive shaft 22 is inclined about 10 to 30 degrees with respect to the vertical line, and the sun gear 21 and the planetary gear 23 are angle bevel gears.

The joint 25 is for transmitting the rotation of the driven shaft 22 to a stirring rod (not shown). As shown in FIG. 2, the joint body 26 and a connecting rod 27 detachably attached to the joint body 26. It consists of and.
The joint body 26 is generally configured by a base plate 28, a grip plate 29, and a fixed plate 30.
The base plate 28 is a plate member made of stainless steel having a rectangular planar shape and a slightly thicker thickness. A shaft hole 31 with a key groove is formed at the center thereof, and a boss is formed around the shaft hole 31. Is provided.

  The base plate 28 is formed with two connecting rod angle adjusting holes 32 and 32 with the shaft hole 31 as the center of symmetry. The planar shape of the connecting rod angle adjusting hole 32 is rectangular. On the both sides in the longitudinal direction of the connecting rod angle adjusting hole 32, a pair of gripping plates 29, 29,... , 30 .. are welded and erected. Each of the holding plates 29, 29,... Is formed with pin insertion holes 33, 33,. Further, screw holes 34, 34 are formed in any of the fixing plates 30, 30,. The length in the longitudinal direction of the connecting rod angle adjusting hole 32 is larger than the length in the longitudinal direction of the flat base end portion of the connecting rod 27 (described later) inserted therethrough.

As shown in FIG. 3, the connecting rod 27 has a round bar shape, and a connecting pin 35 is driven into the outer peripheral surface thereof. Moreover, the base end part is flat form, the pin insertion hole 36 is formed, and the end surface is made hemispherical.
The connecting rod 27 is inserted into the connecting rod angle adjusting hole 32 of the base plate 28 until it reaches the holding plate 29 from the fixed plate 30 side, and is formed on the holding plate 29 and the connecting rod 27. Pins are inserted into the pin insertion holes 33 and 36. As a result, the connecting rod 27 is attached to the base plate 28 so as to be inclined, and the inclination angle is variable, and the inclination angle is different for each connecting rod 27.

  Furthermore, a push screw is screwed into the connecting rod 27 in this state from the screw hole 34 of the fixing plate 30 so that the connecting rod 27 can be prevented from rotating, whereby the connecting rod 27 has a predetermined inclination angle. It can be fixed with. Usually, this inclination angle is 5 to 20 degrees with respect to the axial direction of the driven shaft 22.

Further, the connecting rod 27 is detachably attached by inserting a proximal end portion of a stirring rod (not shown) at the distal end thereof and engaging with the coupling pin 35 of the connecting rod 27. Yes. The stir bar has a stirrer blade made of fluororesin or the like attached to the tip of the stir bar, and is provided with an urging means such as a coil spring so that it can be expanded and contracted. ing.
The stirring rod is arranged so that the stirring blade is in contact with the inner bottom portion of the heating kettle 20, and uniformly stirs the food charged in the heating kettle 20.

  In the stirrer having such a structure, when the connecting rod 27 is attached to the joint body 26, the upper portion of the connecting rod 27 is sandwiched between the gripping plate 29 and the fixed plate 30, so that the connecting rod 27 is attached. Strength will be high. For this reason, the attachment strength with respect to the joint 25 of a stirring rod becomes high as a result, and endures high load.

Further, since the upper part of the connecting rod 27 is rotatably attached to the grip plate 29 by pin coupling, the variable range of the inclination angle of the connecting rod 27 becomes wide, and the inclination angle of each connecting rod 27 can be adjusted. It can be different from each other. For this reason, the rotation trajectories of the stirring rods attached to the connecting rod 27 are different from each other, and the ingredients in the heating pot 20 can be uniformly agitated as a whole, which prevents the ingredients from being burnt or poorly stirred. be able to.
Furthermore, since the rotation of the connecting rod 27 is prevented by screwing the push screw 38 into the screw hole 34 of the fixed plate 30, the attachment angle of the connecting rod 27 once determined does not change carelessly.

FIG. 4 shows another example of the joint body 26 in the stirrer of the present invention. The joint body 26 in this example is a three-hanging type to which three connecting rods 27, 27, 27 can be attached.
The joint body 26 has a three-plane shape of the base plate 28, and a shaft hole 31 is formed at the center thereof. The joint body 26 is located at a position 120 degrees away from the shaft hole 31 in the circumferential direction. Three connecting rod angle adjusting holes 32, 32, 32 are formed. The rest is the same as the joint body 26 described above.

  The method for attaching the connecting rod 27 to the joint body 26 is the same as in the previous example. Also in this example, the same effects as those described above are obtained.

In the stirrer of the present invention, the driven shaft 22 is inserted through the shaft hole 31 of the joint body 26, an adapter is screwed to the tip of the driven shaft 22 extending from the shaft hole 31, and the stirring rod is attached to the adapter. You may make it attach so that attachment or detachment is possible.
This adapter is in the shape of a round bar, a screw hole is formed at the tip, and a connecting pin corresponding to the connecting pin 35 of the connecting rod 27 is driven into the outer peripheral part. The screw at the tip of the drive shaft 22 is screwed through the screw hole of this adapter, and the base end portion of the stirring rod is inserted to engage with the coupling pin.
In this embodiment, one stirring bar can be attached to the center of the joint 25.

It is the front view which carried out the partial cross section which shows the example of the stirrer of this invention. It is a perspective view which shows the example of the joint main body in the stirrer of this invention. It is a perspective view which shows the example of the connecting rod in the stirrer of this invention. It is a top view which shows the other example of the joint main body in the stirrer of this invention. It is the front view which carried out the partial cross section which shows the principal part of the conventional stirrer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 13 ... Rotation drive part, 22 ... Drive shaft, 25 ... Joint, 26 ... Joint main body, 27 ... Connecting rod, 28 ... Base plate, 29 ... Grip plate, 30 ..Fixing plate, 31 ... shaft hole, 32 ... connecting rod angle adjusting hole, 33,36 ... pin insertion hole

Claims (4)

A stirrer that includes one or more stirring rods individually supported at the tip thereof, a joint that rotates the stirring rods, and a rotation driving unit that rotationally drives the joints,
The rotational drive unit includes a main drive shaft that is rotationally driven by a power source, and a slave drive shaft that is driven by the main drive shaft. The main drive shaft is parallel to the vertical line, and the slave drive shaft is parallel to the vertical line. Is inclined,
The joint has a base plate, a joint body having one or two sets of holding plates protruding from the upper surface of the base plate, and a pair of fixing plates protruding from the lower surface of the base plate; Consists of a connecting rod detachably attached to the joint body,
The base plate is formed with a shaft hole through which the driven shaft extending from the rotation drive unit is inserted, and a connecting rod angle adjusting hole through which the connecting rod is inserted,
The upper part of the connecting rod is inserted into the connecting plate angle adjusting hole of the base plate, and the upper part of the connecting rod is sandwiched between the gripping plate and the fixing plate and attached.
The stirrer is characterized in that the connecting rod is detachably attached to the lower portion of the connecting rod.   The stirrer according to claim 1, wherein the upper portion of the connecting rod and the grip plate are rotatably attached by pin coupling.   The stirrer according to claim 1, wherein a stirrer is detachably attached to a tip of a driven shaft inserted through the base plate via an adapter. The two or more connecting rods attached to the base plate are attached so as to have different attachment angles, whereby the rotation trajectories of the two or more stirring rods are different from each other. The stirrer according to 1.

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