CN1239102C - Rice stirring device - Google Patents

Abstract

The present invention relates to a rice agitating device. Providing a rice agitating device which is used for uniformly and sufficiently mixing cooked rice until the cooked rice is dispersive and occupies little space is used as the problem of the present. The rice agitating device is provided with a conveying belt be used for placing rice which needs to be agitated and conveying the rice according to the prescribed direction, a first agitating vane and a second agitating vane with a plurality of agitating blades which are arranged on the downstream side of the conveying direction of the rice receiving position of the conveying belt and are provided with rotating shafts, wherein the agitating blades are projectively arranged on the rotating shafts in the mode of irradiation, every two of the rotating shafts are parallel to each other and are conplane, and the first agitating vane and the second agitating vane have a positive rotation direction rotating mechanism which makes the first agitating vane close to the rice receiving position convey out the rice along the direction of conveying the rice on the conveying belt, and a rotating mechanism which can freely change the rotation directions of the second agitating vane far away from the rice receiving position so as to make the agitating vane push the rice on the conveying belt towards the conveying direction or reversely push the rice against the conveying direction.

Description

The rice agitating device

Technical field

The present invention relates to the rice agitating device, for example relate to the rice with automatic well-done high temperature such as the system of cooking automatically, high humidity is stirred, looses into the rice agitating device of even and broken state fully on conveyer belt.

Background technology

Because well-done rice is in high temperature, the state of high temperature, so need be about on one side with its cool to room temperature, on one side when mixing with flavouring such as vinegar or other additives, can stir rice, make moisture dissipation, loose into the rice agitating device of even and broken state.

In the past, the rice agitating device of the system of cooking automatically as being suitable for packing into, in real public clear 57-1740 communique of Japan and Japanese kokai publication sho 61-199820 communique etc., introduced, but these original rice agitating devices, because the agitator arm that multistage is provided with is all to the direction rotation identical with the throughput direction of rice, so stirring can not be carried out fully, there is the shortcoming in the rice after block meal remains in stirring.In addition, in so original rice agitating device, if realize stirring fully and scattering uniformly, there is hop count, the requisite space that must the increase agitator arm such problem very greatly that becomes.

The present invention is used to solve the problem of above-mentioned original rice agitating device, is can evenly and fully scatter well-done rice and occupy the little rice agitating device in space as problem providing.

Summary of the invention

The result who studies repeatedly as being determined the above-mentioned problem of solution, the present inventor finds: by 2 agitator arms with many stirring vanes of radial protrusion from the rotating shaft are set at least, make this 2 mutual opposite spins of agitator arm, the rice of sending to throughput direction with the agitator arm of the throughput direction upstream side that is positioned at rice is promoted stirring rice in ground with the agitator arm that is positioned at downstream side to the opposite direction of throughput direction, rice can evenly and fully scatter on relatively shorter horizontal range, perhaps mix equably, thereby finished the present invention with vinegar or other dish sign indicating number etc.

Promptly, the present invention solves above-mentioned problem by following rice agitating device is provided, this rice agitating device has: can place in the above needs rice that stirs and the conveyer belt of carrying to prescribed direction, be in the rice receiving system on this conveyer belt conveyance direction downstream side have rotating shaft and the 1st and the 2nd agitator arm of many stirring vanes of radial protrusion from this rotating shaft, its rotating shaft separately is parallel to each other and is positioned on the same horizontal plane, in the 1st and the 2nd agitator arm, have: make near the 1st agitator arm of rice receiving position mechanism to the positive veer rotation that the rice on the conveyer belt is sent towards throughput direction, make the 2nd agitator arm of accepting the position away from rice the free mechanism of rotation on positive veer that throughput direction is sent and the anti-reverse directions that pushes away of the rice on the conveyer belt with switching.

In rice agitating device of the present invention, as mentioned above, because the rice of being sent to throughput direction by the 1st agitator arm is pushed back to throughput direction by the 2nd agitator arm, so, rice continues to stay mixing position up to fully being stirred, and inequality or block meal can remainingly not scatter.In addition, because rice stays on the identical position on the throughput direction usually and stirred, so on short horizontal range, also can stir fully, scatter and even rice and vinegar and other flavouring or dish sign indicating number etc. evenly and fully mix.When stirring, scatter and even mixes when fully carrying out, the 2nd agitator arm its direction of rotation of reversing, the same with the 1st agitator arm, to the direction rotation that rice is sent to throughput direction, the rice that stirred is sent to next one processing position.The switching of the direction of rotation of the 2nd agitator arm can fully be carried out the back with manually carrying out with Visual Confirmation stirring and mixing by operator, also can automatically switch through after the stipulated time with timer, can also monitor the temperature of the rice in the stirring, when the temperature of rice drops to uniform temperature when following, finish to stir, automatically switch.

The the 1st and the 2nd agitator arm, near the stirring vane helically of its rotating shaft terminal portion is protruded, it is to make the direction of rice near rotating shaft central authorities when the positive veer of sending rice on throughput direction is rotated that the direction of this spiral is preferably in the 1st agitator arm, in the 2nd agitator arm is to make the direction of rice near rotating shaft central authorities when the anti-reverse directions that pushes away rice is rotated on throughput direction.Because such formation, even stir continuously and mix rice, because rice is concentrated near the central authorities of the 1st agitator arm and the 2nd agitator arm, so the rice in not worrying stirring can be unrestrained from conveyer belt by the 1st agitator arm and the 2nd agitator arm.

In rice agitating device of the present invention, can be provided with in the conveyance direction downstream side of the 1st and the 2nd agitator arm and to have rotating shaft and the 3rd agitator arm of radial outstanding many stirring vanes from this rotating shaft.On the 3rd agitator arm, the mechanism that the reverse directions that setting makes the rice on the conveyer belt push back to throughput direction is rotated, when rice stirs, have to reverse directions and rotate, the rice of crossing the 2nd agitator arm and be transferred is pushed back, rice is accumulated in the locational function that stirs and mix by the 1st and the 2nd agitator arm, after stirring end, has function equally to the reverse directions rotation, have the rice that surpasses ormal weight that pushes away the rice that the stirring that mixes equably and even scattered sent from the 2nd agitator arm is over by counter, make to be discharged to the next unit interval equivalent of handling the rice of position and to keep constant function.In the 3rd agitator arm, preferably have in the move up mechanism of its rotating shaft of upper and lower, the above-below direction position of the rotating shaft by changing the 3rd agitator arm, can adjust the distance between agitator arm and the conveyer belt, can adjust the next amount of handling the rice of position that is discharged to, in addition, accompany therewith, can adjust the temperature of discharging rice.

At the throughput direction upstream side of the 1st and the 2nd agitator arm, the 4th agitator arm that has rotating shaft and protrude many stirring vanes from this rotating shaft radially can be set as required.The mechanism of rotating to the positive veer that rice is sent towards throughput direction is set on the 4th agitator arm, the same with the 1st agitator arm, have the rice that makes on the conveyer belt function, have the function that the rice that is transferred is scattered in advance and send into the 1st and the 2nd agitator arm to the positive veer rotation of sending towards throughput direction.

Have again, in rice agitating device of the present invention, carry the throughput direction of the conveyer belt of rice by counter-rotating, also can be transported to the opposition side of the 1st and the 2nd agitator arm, and be discharged to next the processing on the position same as before being placed on the rice that rice accepts on the conveyer belt of position.On the throughput direction of counter-rotating, accept at rice preferably to dispose at least one the 5th agitator arm on the position, downstream of position, thus, can more successfully carry out the discharge of rice.

Have again, in the rice agitating device of the present invention, the rotary speed of above-mentioned the 1st～the 5th agitator arm, preferably independent variable separately.For example, the velocity of discharge of the rice that is stirred and mixes can be controlled,, the amount of the rice of the unit interval of sending into the 1st and the 2nd agitator arm can be adjusted by changing the rotary speed of the 4th agitator arm by the rotary speed that changes the 3rd agitator arm.In addition,, mixing speed can be adjusted, the degree of the degree of scattering and mixing can be adjusted by changing the rotary speed of the 1st and the 2nd agitator arm, and the temperature of rice etc.

Rice agitating device of the present invention, basically existing the pot for cooking rice system of cooking automatically that order is cooked with advancing on conveyer belt as prerequisite, but do not limit to such mode of utilizing yet, can certainly be single or stir continuously and utilize when scattering well-done rice suitable.

Description of drawings

Fig. 1 is the vertical view of an example of expression rice agitating device of the present invention.

Fig. 2 is the side view of an example of expression rice agitating device of the present invention.

Fig. 3 is the skeleton diagram of the action of explanation rice agitating device of the present invention.

Fig. 4 is the skeleton diagram of the action of explanation rice agitating device of the present invention.

Fig. 5 is the side view of another example of expression rice agitating device of the present invention.

Fig. 6 is the side view of another example of expression rice agitating device of the present invention.

The specific embodiment

Following limit is with reference to accompanying drawing limit explanation embodiments of the invention, and certainly, the present invention is not limited to illustrated content.

Fig. 1 and Fig. 2 are respectively the attached view and the side views of an example of expression rice agitating device of the present invention.In Fig. 1 and Fig. 2, the 1st, for example the conveyer belt of annular such as guipure is driven by not shown drive unit, the direction conveying that the rice 2 that dots is represented with arrow A in figure.Be not limited to ready-made rice 2 is placed on the conveyer belt 1, for example, also can on conveyer belt 1, overturn not shown pot for cooking rice, inner rice is placed on the conveyer belt 1, can also locally be placed on the conveyer belt etc. of the rice that from pot for cooking rice, take out on the conveyer belt 1 at other with other.

3,4 is respectively the 1st and the 2nd agitator arm, has rotating shaft 5,5 respectively and from a plurality of stirring vanes 6,6 of the radial protrusion of this rotating shaft.Number for the stirring vane 6 that protrudes from an axial position of rotating shaft 5 has no particular limits, and can be spaced from each other 120 degree, amounts to 3, also can be spaced from each other 90 degree or 60 degree, is 4 or 6 altogether, can also be more than 7.In addition, also can be the radial protrusion that needn't separate angle same.

The 1st agitator arm 3 and the 2nd agitator arm 4, as shown in Figures 1 and 2, rotating shaft 5,5 separately is parallel to each other, and is configured to simultaneously be positioned on the same horizontal plane.Can being configured to about 1～5mm near the position and the distance h between the conveyer belt 1 of conveyer belt 1 of the top of stirring vane 6 preferably is configured to about 2～4mm.The 1st agitator arm 3 and the 2nd agitator arm 4, because the axial position that stirring vane 6,6 separately protrudes is configured to exist skew, so rotation that can accompanying rotation axle 5, the mode of the round part superposition that draws with the top of separately stirring vane 6,6 disposes the 1st agitator arm 3 and the 2nd agitator arm 4.Though needn't require the circle that the top of stirring vane 6,6 separately draws must part superposition, the rice of sending here for even stirring also makes it more satisfactory like this scattering.If the radius of a circle that draw on the top of stirring vane 6 is r, then the coincidence degree of the circle drawn of the top of stirring vane 6,6 separately should be about 1/5r～2/3r, preferably about 1/4r～1/2r, is preferably in the horizontal plane that rotating shaft 5,5 exists and overlaps.Have again, the position of stirring vane 6 that protrudes from the 1st agitator arm 3 and the stirring vane 6 that protrudes from the 2nd agitator arm 4 mutually, i.e. deviation mutually also can be identical.

From the stirring vane 6 of the 1st agitator arm 3 protrusions and the stirring vane 6 that protrudes from the 2nd agitator arm 4, near the spiral that forms in two ends that is preferably in rotating shaft 5,5 protrudes like that.The direction of this spiral, being to make the direction of rice near rotating shaft central authorities when sending just the changeing of rice 2 on throughput direction in the 1st agitator arm 3, is to make the direction of rice near rotating shaft central authorities when the anti-counter-rotating that pushes away rice 2 on throughput direction in the 2nd agitator arm 4.Because such formation, even stir continuously and mix rice 2 by the 1st agitator arm 3 and the 2nd agitator arm 4, because rice 2 is concentrated near the central authorities of the 1st agitator arm 3 and the 2nd agitator arm 4, so the rice 2 in not worrying stirring can be unrestrained from conveyer belt 1.In order to make stirring vane 6 near the both ends of rotating shaft 5, form spiral, near the protrusion position phase of the stirring vane 6 can the both ends of sequence offsets rotating shaft 5.In addition, stirring vane 6,6 is made tabular, on the direction of regulation, have the mode of angle with respect to the throughput direction of rice, stirring vane 6,6 band angles ground are protruded from rotating shaft 5,5 with its platen surface.

7 and 8 is respectively the 3rd and the 4th agitator arm, the same with the 1st agitator arm 3 and the 2nd agitator arm 4 in illustrated embodiment, has rotating shaft 5 and stirring vane 6.Be positioned at the 3rd agitator arm 7 of the conveyance direction downstream side of the 1st agitator arm 3 and the 2nd agitator arm 4, be configured with the mode of the 2nd agitator arm 4 with the round part superposition of the top picture of mutual stirring vane 6.On the other hand, be positioned at the 4th stirring vane 8 of the throughput direction upstream side of the 1st agitator arm 3 and the 2nd agitator arm 4, be configured to the 1st agitator arm 3 between the circle that draws of the top of stirring vane 6 do not overlap, vacate interval to a certain degree.The circle that the 3rd agitator arm 7 and the 2nd agitator arm 4 also can be configured to the top of mutual stirring vane 6 to draw does not overlap and leaves like that at interval, but, preferably be configured to the round part superposition of the top picture of mutual stirring vane 6 in order to give full play to by the 3rd agitator arm 7 anti-effects that push away rice.Have again, in illustrated embodiment, in the 1st～the 4th agitator arm 3,4,7,8, the radius of a circle that stirring vane 6 is drawn is all identical, so the rotating shaft 5,5,5,5 of the 1st～the 4th agitator arm 3,4,7,8 all is positioned on the same horizontal plane, the radius of a circle of drawing when stirring vane 6 not simultaneously, the rotating shaft 5,5,5,5 of the 1st～the 4th agitator arm 3,4,7,8 also can be on same horizontal plane.Have again, the 9,9,9, the 9th, rotation drives the motor of the rotating shaft 5,5,5,5 of the 1st～the 4th agitator arm 3,4,7,8, and 10,10,10,10, be their bearings separately. Motor 9,9,9,9 can positive and negatively rotate, and by the phase inverter control that figure does not show, its rotating speed also is variable.

Below, with Fig. 2～Fig. 4 the action of the rice agitating device of the present invention of Figure 1 and Figure 2 is described.

At first, as shown in Figure 2, when well-done rice 2 is placed on the conveyer belt 1 by the mechanism that schemes not show, motor 9,9,9,9 rotations, the the 1st～the 4th agitator arm 3,4,7,8 is rotated to the direction of arrow respectively, meanwhile, under the start of the drive unit that figure does not show, conveyer belt 1 direction of arrow A in figure moves, the conveying of beginning rice 2.

The rice 2 that is transferred is stirred by the 4th agitator arm 8, prepares and scatters, and becomes the amount of regulating according to the rotary speed of the 4th agitator arm 8 simultaneously, is sent to the 1st agitator arm 3.The rice 2 that is admitted to, release to throughput direction again by the 1st agitator arm 3, meanwhile, by with the 2nd agitator arm 4 of throughput direction reverse rotation to counter pushing away in the other direction, as shown in Figure 3, stay same position on one side, by 1st agitator arm 3 of mutual opposite spin and the stirring vane of 2nd agitator arm 4 continuously stir on one side.The speed that stirs can be regulated by the rotary speed of adjusting the 1st agitator arm 3 and the 2nd agitator arm 4.Have again, at this moment, if desired, moving of conveyer belt 1 temporarily slowed down until stopping.In addition, even some rice 2 is crossed the 2nd agitator arm 4, these rice 2 by with the 2nd agitator arm 4 equally to the 3rd agitator arm 7 of opposite spin to direction counter push away opposite with throughput direction, send into mixing position once more.At this moment drop into the dish sign indicating number by sprinkling flavouring limit such as vinegar in the never illustrated device in limit, can carry out the stirring of flavouring such as vinegar and dish sign indicating number etc. and rice and mix.

After stirring fully by the 1st agitator arm 3 and the 2nd agitator arm 4, as shown in Figure 4, switch the gyratory directions of the 2nd agitator arm 4, carry out and the equidirectional positive rotation of throughput direction, stir fully, the rice 2 that evenly mixes and even scatter is sent to the 3rd agitator arm 7.The switching of the direction of rotation of the 2nd agitator arm 4 can fully be carried out the back with manually carrying out with Visual Confirmation stirring and mixing by operator, also can automatically switch through after the stipulated time with timer, can also monitor the temperature of the rice 2 in the stirring, when the temperature of rice 2 drops to uniform temperature when following, finish to stir, automatically switch.

On the other hand, the 3rd agitator arm 7 is still to the opposite spin of throughput direction, the rice 2 that the stirring of sending here from the 2nd agitator arm 4 is over, the counter direction of pushing the 2nd agitator arm 4 to of part that surpasses ormal weight, have only the top of having passed through stirring vane 6 and the rice 2 in the space between the conveyer belt 1 to be passed through, so pass through the thickness H of the rice 2 of the 3rd agitator arm 7, be adjusted to the value of regulation usually.At this moment, by adjusting the rotary speed of the 3rd agitator arm 7, can control thickness H by the rice 2 of the 3rd agitator arm 7, perhaps move up and down the position of the rotating shaft 5 of the 3rd agitator arm 7, the top and the distance h between the conveyer belt 1 of stirring vane 6 are changed, also can adjust thickness H by the rice 2 of the 3rd agitator arm 7.

Fig. 5 is the figure of the example of expression when having the mechanism of position of rotating shaft 5 that direction up and down moves the 3rd agitator arm 7, as shown in Figure 5, the rotating shaft 5 of the 3rd agitator arm 7 can be moved up and down together with motor 9 by above-below direction travel mechanism 11, the position of the above-below direction of the rotating shaft 5 by changing the 3rd agitator arm 7 changes the top of stirring vane 6 and the distance h between the conveyer belt 1.Have no particular limits for above-below direction travel mechanism 11, as long as can be at the move up rotating shaft 5 of the 3rd agitator arm 7 of upper and lower, adopt any mechanism can, in addition, this driving also can be by operator with manually carrying out, also can accept control signal, rotating shaft 5 automatically be moved to the position of regulation from not shown control device.

Fig. 6 roughly is illustrated on the rice agitating device of the present invention shown in Fig. 1 and Fig. 2 the additional figure that is provided with when rice is sent to the next mechanism that handles the position same as before, the part use identical symbol identical with original part.That is, the 5th and the 6th agitator arm is set in the common throughput direction upstream of conveyer belt 1.These the 5th and the 6th impellers 12,13 can be identical with the 1st～the 4th agitator arm 3,4,7,8, also can be different with aspects such as shapes in the quantity of stirring vane.

In rice agitating device of the present invention shown in Figure 6, when being placed on that cooked rice 2 on the assigned position of conveyer belt 1 is not stirring fully and still being discharged under the situation of heat next when handling the position, conveyer belt 1 is moved to the direction shown in the arrow B opposite with common throughput direction, rice 2 is sent into the 5th and the 6th agitator arm 12,13.The the 5th and the 6th agitator arm 12,13 is discharged to the next position of handling to the rice of sending here 2 to the direction rotation identical with throughput direction shown in the arrow B in the same old way.Like this, rice agitating device of the present invention promptly is applicable to the situation that rice is fully stirred and evenly scatter, and also is applicable under the situation that keeps heat rice to be discharged to the next situation of handling the position.

As mentioned above, according to rice agitating device of the present invention,, can fully stir, evenly mix and even the ready-made rice that scatters to the 1st agitator arm of throughput direction rotation with between the 2nd agitator arm of the opposite spin of throughput direction.And, by the 3rd agitator arm of identical with the 2nd agitator arm reverse rotation to throughput direction is set in the downstream of the 2nd agitator arm, the counter once more mixing position that pushes back of the rice of crossing the 2nd agitator arm, can realize more uniform stirring, mix and scatter, simultaneously, when stirring the discharge of the rice after finishing, can remain the thickness of the rice of discharging constant usually.The 3rd agitator arm, preferably the position of the above-below direction of its rotating shaft can become, and thus, can suitably control the thickness of the rice of discharge.

Have again, the 4th agitator arm of rice being sent into the 1st agitator arm is set, can carry out the preparation stirring of rice or the speed of sending into of regulating rice by upstream side at the 1st agitator arm.So, rice agitating device of the present invention is the device that carries out unprecedented uniform stirring in unprecedented horizontal range, mix and scatter, and is the device with the little excellent results that can finish the work that takes up room.

Claims (6)

1. rice agitating device, have: the conveyance direction downstream side that can place the rice and the conveyer belt of carrying to prescribed direction that need to stir in the above, is in the rice receiving position on this conveyer belt have rotating shaft and the 1st and the 2nd agitator arm of many stirring vanes of radial protrusion from this rotating shaft, its rotating shaft separately is parallel to each other and is positioned on the same horizontal plane, it is characterized in that

In the 1st and the 2nd agitator arm, have: make near the 1st agitator arm of rice receiving position to the mechanism of the positive veer rotation that the rice on the conveyer belt is sent towards throughput direction, make the 2nd agitator arm of accepting the position away from rice in the mechanism that the rice on the conveyer belt freely is rotated on positive veer that throughput direction is sent and the anti-reverse directions that pushes away with switching

Near the rotating shaft terminal portion of the 1st and the 2nd agitator arm stirring vane helically protrudes, the direction of this spiral, in the 1st agitator arm, be when positive veer is rotated, to make the direction of rice near rotating shaft central authorities, in the 2nd agitator arm, be when reverse directions is rotated, to make the direction of rice near rotating shaft central authorities.

2. rice agitating device as claimed in claim 1, it is characterized in that, have: the conveyance direction downstream side that is in the 1st and the 2nd agitator arm have rotating shaft and from this rotating shaft the 3rd agitator arm of many stirring vanes of radial protrusion, also have: make the mechanism of the 3rd agitator arm to the reverse directions rotation that the rice on the conveyer belt is promoted to the opposite direction of throughput direction.

3. rice agitating device as claimed in claim 2 is characterized in that, this device has the mechanism that direction up and down moves the rotating shaft of the 3rd agitator arm.

4. as each described rice agitating device of claim 1～3, it is characterized in that, have: be in the 1st and the 2nd agitator arm the throughput direction upstream side have rotating shaft and from this rotating shaft the 4th agitator arm of many stirring vanes of radial protrusion, also have: make the mechanism of the 4th agitator arm to the positive veer rotation that the rice on the conveyer belt is sent towards throughput direction.

5. as each described rice agitating device of claim 1～4, have: make the mechanism of the throughput direction counter-rotating of conveyer belt, accept that the downstream side of position is locational to have rotating shaft and at least 1 the 5th agitator arm of many stirring vanes of radial protrusion from this rotating shaft being in rice on the throughput direction of this counter-rotating.

6. as each described rice device of claim 1～5, it is characterized in that the rotary speed of each agitator arm is an independent variable separately.

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