JP2527366B2 - Bean polishing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention has a drive unit, a supply unit, and a polishing cylinder that stand from the bottom to the top, and a spiral body for lifting beans in the outer polishing cylinder. The present invention relates to a legume polishing machine which feeds legumes into the polishing cylinder and polishes the legumes while lifting them.

[Prior Art] Japanese Patent Laid-Open Publication No.
As disclosed in Japanese Laid-Open Patent Publication No. 64-75044, rice husks and rice bran, etc. are added and mixed as an abrasive for beans and stirred, and then, in order to separate beans from rice husks and rice bran, it is selected by air separation. There is a way. Further, as disclosed in JP-A-64-85144, there is a method in which beans are pressed with a cleaning belt to wash them while rotating them, and then the beans are dried by a drying device.

[Problems to be Solved by the Invention] In the conventional technology, even if rice husks and rice bran are added and mixed and stirred, the polishing state of beans may not be constant depending on the mixing ratio of beans and rice husks and rice bran, After the polishing, the rice husk and rice bran were separated from the beans again by wind selection, and when polishing new beans, the rice husk and the rice bran had to be mixed again, which was a troublesome polishing operation. Thus, when rice husks and rice bran were mixed and stirred, the polishing state was unstable, re-separation after polishing, and only a certain amount could be processed in one operation.

Even with the method of cleaning the beans by pressing them with a cleaning belt while rotating the beans, it is a troublesome method of washing the beans that are in a dry state with water, etc., and then drying them again. Even if a certain bean is washed with water or the like, if the dried state is unstable thereafter, there is a problem that the quality is further deteriorated with time as compared with the bean before the washing.

The present invention, when polishing beans, without adding any additive, continuously supplying beans, by polishing while smoothly lifting, and after polishing, without reprocessing at all An object of the present invention is to provide a polishing machine for beans, which maintains a polished state, improves work efficiency, can process a large amount of beans at one time, and has stable quality.

[Means for Solving the Problems] In order to achieve the above object, in the device of the present invention, a supply hopper for supplying unpolished beans and a storage tank for storing the beans after polishing are erected. Prepared outside the body, a base is fixed inside the shell, a drive unit and a supply unit are attached to the base, a polishing cylinder is erected on the supply unit, and a spiral body for lifting beans in the polishing cylinder is provided. Fitted, a fixed partition plate is provided on the outer periphery of the upper part of the polishing cylinder, the polishing cylinder and the spiral are provided so as to be reciprocally reciprocal at different rotational speeds, and beans are brought into contact with the inner wall of the polishing cylinder. However, it is configured such that it can be fried and polished. Then, a sliding surface was provided between the partition plate and the annular body provided at the upper end of the polishing cylinder.

The supply part is composed of an outer cylinder and an inner cylinder, the outer cylinder is fixed, and the inner cylinder fitted into the outer cylinder engages with the polishing cylinder and rotates in the same direction to form an annular partition on the inner wall of the outer cylinder. The beans provided from the supply hopper are provided in the body, and the beans are supplied to the annular partition body, and a supply port for supplying the grain-lifting spiral body is formed on the peripheral surface of the inner cylinder, and the scratches fixed to the supply port are provided. By supplying the beans to the spiral wing located at a position away from the bottom of the fried helix by means of a blade, in the method of supplying beans to the bottom of the fried helix, the starting end of the fried helix hits the beans and the skin of the beans cracks. It had the drawback of causing damage and damage. Therefore, it is possible to prevent the skin from being cracked or damaged by supplying it onto the spiral blade at a position away from the bottom of the levitation spiral body, and it is effective to improve the supply amount by directly supplying onto the spiral blade.

In addition, in order to polish the beans in the fried grain, the blade of the levitation spiral body has an elastic body attached to both sides of the spiral wing and the outer peripheral surface of the spiral cylinder in the polishing section, and a flat surface is formed on the inner wall surface of the polishing cylinder. Elastic bodies are adhered, or at least one kind of small projections, irregularities, continuous or discontinuous ridges arranged at random in at least one direction are provided, or the elastic body is provided with a group of several kinds. By adhering, the beans are brought into contact with the inner wall of the polishing cylinder while being ground, and the beans being fried are flipped to be contact-polished, and when the discharging blade is fixed on the circumference of the spiral cylinder at the discharging part, polishing and discharging are carried out. Is effective in.

Between the lower end of the discharging blade and the upper end of the polishing cylinder,
By providing a space, the polishing cylinder, which rotates by engaging with the inner cylinder, can always engage with the inner cylinder and rotate even if the polishing cylinder moves upward during contact polishing or movement.

When the elastic body attached to the inner wall surface of the polishing cylinder is worn, at least the portion of the polishing cylinder to which the elastic body is attached is divided in the longitudinal direction so that the elastic body can be easily replaced. It is possible and the inspection of the spiral is easy.

The elastic bodies on the upper and lower surfaces of the spiral blade are attached so as to project from the peripheral edge of the spiral blade, and at least the gap between the elastic body and the inner wall surface of the polishing cylinder is such that beans cannot easily pass through. Spaced.

[Operation] When the bean polishing apparatus configured as described above is activated, the supplied beans are first supplied to the annular partition provided on the inner wall of the outer cylinder, and then the circumference of the inner cylinder. It is supplied to the grain-lifting spiral from the supply port by a scraping blade fixed to the supply port having a surface provided with the supply port. In this way, by not supplying the beans to the bottom of the fried spiral, but supplying them to the spiral wing located away from the bottom of the fried spiral, it is possible to prevent cracking and damage of the epidermis of the beans, and to prevent the beans from directly on the spiral wing. It is effective to improve the supply amount by being supplied to. Further, by providing a sliding surface between a partition plate fixed to the outer periphery of the upper part of the polishing cylinder and an annular body provided at the upper end of the polishing cylinder, the polishing cylinder maintains an equilibrium state and performs stable rotation.

Then, in the polishing section, the polishing cylinder and the helix for lifting beans have different rotation directions and different rotational speeds, and by sticking an elastic body to the inner wall surface of the polishing cylinder, the beans being fried by friction are removed. After polishing, the spiral blade of the levitation spiral body has elastic bodies attached to the upper surface and the lower surface of the spiral blade and the outer peripheral surface of the spiral cylinder in the polishing section, so that the inner wall of the polishing cylinder and the outer peripheral surface of the spiral cylinder have elasticity. The beans are friction-polished by contact with the body. The elastic body attached to the inner wall surface of the polishing cylinder may be a flat elastic body, or may be a random arrangement, or small projections, irregularities, continuous or discontinuously arranged at intervals in at least one direction. It is preferable to provide a group of at least one kind or a plurality of kinds of the ridges, and to adhere the elastic body to the beans so as to invert the beans and to perform contact friction polishing.

Furthermore, in the discharging part, by fixing the discharging blades on the circumference of the spiral cylinder that also functions as a grain lifting function, at the time of discharging, the partition plate fixed to the outer periphery of the upper part of the polishing cylinder and the beans on the discharge port are discharged. It can be discharged closer to the tip of the storage tank, and by storing the beans from the tip of the storage tank, the inside of the storage tank is increased.

In addition, the blade of the lifted-spiral body has elastic bodies attached to both surfaces of the spiral blade in the polishing section, and the elastic bodies on the upper surface and the lower surface of the spiral blade protrude from the outer peripheral edge of the spiral blade and are attached to the lifted-grain blade. There is an effect that the cracking and damage of the epidermis caused by pressing the beans on the outer peripheral edge of the spiral blade can be prevented. In this way, the sticking is made so as to project from the outer peripheral edge of the spiral blade, so that it is highly elastic and can flexibly cope with beans to be fried.

Furthermore, the gap between the elastic body that sticks out from the outer peripheral end of the spiral blade and the inner wall of the polishing cylinder is set to a level that does not allow beans to easily pass, so that the spiral blade can be lifted without dropping beans. Has the effect of graining.

Then, by at least dividing the polishing cylinder of the portion to which the elastic body is adhered into in the vertical direction, it is possible to easily replace the worn adhered elastic body and inspect the lifted-up spiral body.

[Embodiment] An embodiment will be described with reference to the drawings. In FIG. 1, reference numeral 1 is a bean polishing apparatus, and this bean polishing apparatus 1 supplies unpolished beans to the outside of a shell 2. The hopper 3 and the storage tank 4 for storing beans after polishing are provided outside the shell, and the base 22 is fixed to the inside and bottom of the shell.
A drive unit 5 is attached to the lower part of 22 and a supply unit 6 is attached to the upper part thereof, a polishing cylinder 7 is erected on the supply unit 6, and a spiral body 8 for lifting beans is housed in the polishing cylinder. The supply unit 6 is composed of an outer cylinder 9 and an inner cylinder 10. The outer cylinder 9 is fixed on the base 22, and the inner cylinder 10 fitted in the outer cylinder 9 is absent from the polishing cylinder 7. It engages with the protrusion 10a that engages with the engagement hole 7a and rotates in the same direction. An annular partition body 11 is provided on the inner wall of the outer cylinder 9. The beans supplied from the supply hopper 3 are first supplied onto the annular partition body 11 and then supplied to the peripheral surface of the inner cylinder 10. By the scraping blades 13 fixed to the supply ports 12 and 12 having the ports 12 and 12, the lifting helix 8 is fed from the supply ports 12 and 12.
Is supplied to.

That is, the beans are supplied onto the spiral wing 14 located at a position away from the bottom of the fried helix 8. By thus supplying onto the spiral wing 14 at a position away from the bottom of the levitation spiral body 8 and directly supplying onto the spiral wing, the start end of the levitation spiral body 8 does not hit beans and This is effective because cracking and damage can be prevented, and competition of beans at the starting end of the fried grain spiral body 8 is eliminated and the supply amount increases.

Then, the beans on the blade 14 of the lifted-up spiral body 8 move to the polishing section in which the planar elastic body 16 is attached to the inner wall surface 15 of the polishing cylinder 7, and the spiral blade 14 in the polishing section The spiral wing
In the polishing section in which the elastic body 18 is attached to the upper surface 14a, the lower surface 14b of 14 and the peripheral surface of the spiral cylinder 17, the planar elastic body 16 on the inner wall surface 15 of the polishing cylinder 7 or a random arrangement or at least one The upper surface 14a and the lower surface of both surfaces of the spiral wing 14 are formed by adhering elastic bodies by providing a group consisting of at least one kind or several kinds of small projections, unevenness, continuous or discontinuous ridges arranged at intervals in the direction. 14b and the outer peripheral surface of the spiral cylinder 17 are polished while being sandwiched by the elastic body 18. In the embodiment, the elastic body 16 and the elastic body 18 are made of felt material.

After polishing, the beans move to the discharge section, which is separated from the polishing section,
It is stored in the storage tank 4 by the discharge vanes 19, 19 fixed on the circumference of the spiral cylinder 17.

As shown in FIG. 4, on the outer periphery of the upper part of the polishing cylinder 7,
A fixed partition plate is provided, a sliding surface is provided between the upper surface of the partition plate and the annular body 23 provided at the upper end of the polishing cylinder, and the lower ends of the discharge blades 19, 19 and the upper end of the polishing cylinder 7 are provided. A space L is provided between the parts. In the embodiment, the distance L is 3 mm to 4 mm, and even if the polishing cylinder 7 moves upward during contact polishing or moving, it hits the lower ends of the discharge blades 19 and 19 and can always keep the polishing state at a stable position.

The blade 14 of the spiral portion 8 has elastic bodies 18 attached to the upper surface 14a, the lower surface 14b of the spiral blade and the outer peripheral surface of the spiral cylinder 17 in the polishing section. The elastic body 20 is attached so as to project from the outer peripheral edge of the spiral blade. By sticking so as to project from the outer peripheral edge of the spiral blade, it is possible to prevent cracking or damage of the skin caused by pressing beans to be lifted by the outer peripheral edge of the spiral blade. In addition, since it is attached so as to project from the outer peripheral end of the spiral blade, it has a high elasticity and can flexibly deal with beans that are fried. A felt material is used as the material of the elastic body 20 like the elastic bodies 16 and 18.

The elastic body 20 is attached to the upper surface 14a and the lower surface 14b of the spiral blade 14 so as to project from the outer peripheral edge of the spiral blade, but the elastic body is attached to the lower surface of the spiral blade 14 by attaching the elastic body 20 to the upper surface of the spiral blade 14. It is possible to prevent cracking and damage of the epidermis of fried beans by sticking 20. However, in consideration of the polishing effect, it was stuck on both sides of the spiral wing 14.

The elastic body 20 and the planar elastic body 16 adhered to the inner wall surface 15 of the polishing cylinder 7, or randomly arranged as shown in FIG. 6 or small in size arranged at intervals in at least one direction. Protrusions 16a, 16b, irregularities 16c, 16d, and a group of at least one kind of continuous or discontinuous ridges are provided to provide an interval such that beans cannot easily pass through the gap between the elastic bodies 16e and 16f. As a result, the spiral wing reliably lifts the grains without dropping the beans. In the embodiment shown in FIG. 5, the gap between the elastic body 20 and the planar elastic body 16 is set to 2 mm.
In the embodiment, an elastic body having an uneven surface having a grain size of at least half of the beans is attached to the inner wall surface 15 of the polishing cylinder 7, and the beans are contact-polished while being inverted, so that the spiral blade outer peripheral end portion is formed. Polishing was performed while the beans on the polishing cylinder side were replaced.

Further, the discharging blades 19, 19 in the discharging portion are provided on the outer circumference of the upper part of the polishing cylinder 7 at the time of discharging by fixing the discharging blades on the circumference of the spiral cylinder 17 of the spiral body 8 which also functions as a grain lifting function. The beans on the partition plate can be discharged to the vicinity of the tip of the storage tank 4 by the discharge port 24, and the beans are stored from the tip of the storage tank 4, which has the effect of increasing the storage amount in the storage tank. The material of the discharge vanes 19 and 19 is a soft rubber plate for the purpose of preventing cracking and damage of the skin.

It is considered that the elastic body adhered to the inner wall surface 15 of the polishing cylinder 7 is worn out for a long period of time, and the spiral body can be easily inspected. The elastic body of the polishing cylinder 7 can be easily replaced by making it possible to divide into the vertical axis. The polishing cylinder 7 and the spiral body 8 have different rotational speeds and are provided so as to be mutually reversible.

[Advantages of the Invention] The present invention is a legume polishing machine for levying and polishing unpolished beans, and in the feeding section, by feeding the beans on a spiral wing located at a position away from the bottom of the levitation spiral, It is possible to prevent cracking and damage of the epidermis of beans, and it is effective to improve the supply amount by directly supplying it to the spiral blade.

Further, by providing a sliding surface between the partition plate provided on the outer periphery of the upper part of the polishing cylinder and the annular body fixedly provided on the outer periphery of the upper end of the polishing cylinder, the polishing cylinder maintains an equilibrium state and performs stable rotation. .

Further, by providing a space L between the lower end portion of the discharging blade and the upper end portion of the polishing cylinder, the polishing cylinder comes into contact with the lower end portion of the discharging blade even when the polishing cylinder moves upward during contact polishing or movement, and is always in a stable position. Can maintain the polished state.

The inner wall surface of the polishing cylinder is made of at least one kind or a plurality of kinds of flat elastic bodies, random arrangement, or small projections, irregularities, continuous or discontinuous projections arranged at intervals in at least one direction. There is a case where the beans are contact-polished while reversing the beans by sticking the elastic body to each other, and in the levitation spiral, the elastic body is stuck to both sides of the spiral blade and the outer peripheral surface of the spiral cylinder in the polishing section. As a result, the polishing effect is increased by polishing while the beans are in contact with the inner wall of the polishing cylinder and the inner wall surface of the polishing cylinder. Then, by fixing a plurality of discharge blades on the circumference of the spiral cylinder in the discharge part, the beans on the partition plate provided on the outer circumference of the upper part of the polishing cylinder can be discharged from the discharge port to the vicinity of the tip of the storage tank. Is stored from the tip of the storage tank, the effect of increasing the storage amount in the storage tank is obtained.

Further, in the blade of the spiral body, elastic bodies are adhered to the upper and lower surfaces of the spiral blade and the outer peripheral surface of the spiral cylinder in the polishing section, and the elastic bodies on the upper surface and the lower surface of the spiral blade are protruded and adhered from the outer peripheral edge of the spiral blade. As a result, it is possible to prevent cracking or damage of the skin caused by pressing the beans to be lifted by the outer peripheral edge of the spiral blade, and obtain the effect of increasing the polishing action. In addition, since it sticks so as to protrude from the outer peripheral edge of the spiral wing, it is rich in elasticity and can flexibly respond to fried beans.
By making the gap between the elastic body protruding from the outer peripheral end of the spiral blade and the inner wall surface of the polishing cylinder such that beans cannot easily pass through, the spiral blade reliably lifts the beans without dropping the beans. The effect is obtained.

Then, by at least dividing the polishing cylinder of the portion to which the elastic body is adhered into in the vertical direction, it is possible to easily replace the worn adhered elastic body and inspect the lifted-up spiral body.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a legume polishing apparatus showing the configuration. FIG. 2 is a perspective view showing the structures of a polishing cylinder and a supply unit. FIG. 3 is a spiral showing one embodiment of the present invention. FIG. 4 is a partial view of FIG. Fifth
The figure is a partial cross-sectional view of a spiral to which an abrasive cylinder and an elastic body are attached, showing an embodiment of the present invention. FIG. 6 is a polishing cylinder showing an embodiment of the present invention. 1 ... Bean polishing device, 3 ... Supply hopper 4 ... Storage tank, 7 ... Polishing cylinder 8 ... Spiral body, 9 ... Outer cylinder 10 ... Inner cylinder, 11 ... Annular partition 17 ... … Spiral cylinder, 18 …… Elastic body around the circumference of spiral cylinder 19 …… Ejection blade, 23 …… Annular body provided at the upper end of polishing cylinder

Claims (9)

(57) [Claims] 1. A hopper for supplying unpolished beans and a storage tank for storing beans after polishing are provided outside the shell, and a base is fixed to the inner and lower parts of the shell, and a drive unit is provided on the base. A supply unit is attached, a polishing cylinder is erected on the supply unit, a spiral body for lifting beans is housed in the polishing cylinder, and a fixed partition plate is provided on the outer periphery of the upper part of the polishing cylinder. A sliding surface is provided between the upper surface of the partition plate and an annular body fixed to the outer periphery of the upper end of the polishing cylinder, and the polishing cylinder and the spiral body are provided so as to be mutually reversible at different rotational speeds, A legume polishing machine characterized in that it is capable of lifting and polishing grains while contacting the inner wall of the polishing cylinder. 2. The supply unit comprises an outer cylinder and an inner cylinder, the outer cylinder is fixed, and the inner cylinder fitted into the outer cylinder is engaged with the polishing cylinder so as to be rotatable in the same direction. The inner wall of the cylinder is provided with an annular partitioning body for receiving the beans supplied from the supply hopper, the inner cylinder is provided with a plurality of supply ports, and the beans are supplied to the supply port. 2. The legume polishing machine according to claim 1, wherein a plurality of scraping blades that can be supplied onto a spiral blade located at a position away from the bottom of the levitation spiral body are fixed to each other. 3. The legume polishing machine according to claim 1, wherein a planar elastic body is attached to the inner wall surface of the polishing cylinder. 4. Small protrusions randomly arranged on the inner wall of the polishing cylinder or arranged at intervals in at least one direction,
The legume polishing machine according to claim 1 or 2, wherein a group of at least one kind or a plurality of kinds of unevenness, continuous or discontinuous ridges is provided and the elastic body is attached. 5. The blade of the lifting spiral body has an elastic body attached to the upper and lower surfaces of the spiral blade in the polishing section and to the outer peripheral surface of the spiral tube, and a plurality of discharge tubes are provided on the circumference of the spiral tube in the discharge section. 5. The legume polishing machine according to claim 1, wherein the blade is fixed. 6. A gap is provided between the lower end of the plurality of discharge blades of the levitation spiral and the upper end of the polishing cylinder. Beans polishing machine. 7. The legume polishing machine according to claim 1, wherein the elastic bodies on both sides of the spiral blade are attached so as to project from the outer peripheral edge of the spiral blade. 8. The method according to claim 1, wherein the polishing cylinder of at least the portion to which the elastic body is adhered can be divided in the direction of the longitudinal axis to fix the spiral body. Bean polishing machine. 9. The wing of the lifted-up spiral body comprises:
7. The gap between the elastic body attached to the inner wall surface of the polishing cylinder and the outer peripheral end of the spiral is provided at least with a distance such that beans cannot easily pass therethrough. ,
The bean grinder according to 7 or 8.