JP2001314999A - Cylindrical wringing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cylindrical wringing technique capable of wringing again a separated solid (secondary drawing) in addition to a wringing action (primary wringing) that a wringing stock is pressed and forced to pass through minute holes and increasing the passing resistance of the wringing stock to improve the wringing efficiency and further, preventing abration of wringing cylindrical bodies and prevent the minute holes from being clogged. SOLUTION: A number of minute holes 11 are formed in at least one of a pair of right and left wringing cylindrical bodies 1, 1 paralelly installed in the axial direction. A wringing stock is pressed between both wringing cylindrical bodies by rotating so as to move the opposite sides from the upward side to the downward side and make the separated liquid flow through the minute holes into the wringing cylindrical body (porous cylinder). The separated solid sent out downward through between the both cylindrical bodies is received in a accumulating part 5 which communicates with a constracted passage 51 formed to impart a pressing force to the accumulated solid separated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention is mainly used for the production of tofu, used for squeezing to obtain soymilk (liquid content) by separating okara (solid content) from go (raw material),
The present invention relates to a cylindrical squeezing machine used for squeezing oil, fruit juice, etc., or for solid-liquid separation such as squeezing for separating mud from sludge.

[0002]

2. Description of the Related Art Conventionally, as a drawing machine for soymilk, a screw-type drawing machine in which a screw shaft is provided inside a drawing cylinder having a large number of fine holes formed in a cylinder wall is known. This screw-type squeezing machine squeezes the kure as a squeezing raw material supplied into the squeezing cylinder by a feeding action of a screw shaft, so that soy milk as a separated liquid component is passed through the fine holes to form the squeezing cylinder. On the other hand, okara as a separated solid content was discharged from the tip of the throttle cylinder.

[0003] Also, left and right 1 arranged side by side with the axial direction parallel.
2. Description of the Related Art There is known a cylindrical drawing machine in which one of a pair of drawing cylinders is formed as a porous cylinder having a large number of fine holes, and the other is formed as a rubber roller. This cylindrical squeezing machine rotates the porous cylindrical body and the rubber roller with the opposing sides facing downward from above, thereby squeezing the go that is received between the porous cylindrical body and the rubber roller with the rubber roller, and converting the soymilk. On the other hand, okara adheres to the outer peripheral surface of the porous cylindrical body, and is then removed by being scraped off by a scraper and discharged.

[0004]

However, both the former screw-type drawing machine and the latter-type cylindrical drawing machine are designed to separate soy milk by squeezing go and passing it through a fine hole. Okara, which is a separated solid content, is configured to be discharged as it is. As described above, conventionally, there is only a so-called one-pass squeezing function in which the squeezing action of squeezing the go and passing it through the fine holes is performed only once, and there is no function of squeezing okara, which is a separated solid content, again. There was a problem that efficiency could not be improved.

In the case of the latter cylindrical drawing machine, since the drawing operation is such that the go is sandwiched and pressed between the porous cylinder and the rubber roller, the rubber roller is pressed against the outer peripheral surface of the porous cylinder in order to increase the drawing efficiency. Then, it is necessary to increase the passage resistance of Kure. For this reason, abrasion occurs between the porous cylindrical body and the rubber roller, and the service life is shortened. Further, the use of the rubber roller is hardly preferable in terms of hygiene, and the porous cylindrical body is a single body. Similarly to the above, there is only a one-pass squeezing function, and there is no function of squeezing okara, which is a separated solid content, again, so that there has been a problem that the squeezing efficiency is poor.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems.
In addition to the squeezing action (primary squeezing) of pressing and squeezing the squeezed raw material, the separated solids can be squeezed again (secondary squeezing), and the squeezing efficiency is improved by increasing the passage resistance of the squeezed raw material. Another object of the present invention is to provide a cylindrical drawing technique capable of preventing wear of the drawing cylinder and preventing clogging of fine holes.

[0007]

In order to solve the above-mentioned problems, a cylindrical drawing machine according to the present invention (Claim 1) comprises a pair of left and right drawing cylinders arranged in parallel with the axial direction. At least one is formed in a porous cylindrical body in which a number of micropores are formed, and both of the narrowing cylinders rotate from the top to the bottom on the opposite sides, so that the drawn raw material received between the pair of improved side surfaces is reduced. (Eg, gou) is squeezed between the two squeezing cylinders so that the separated liquid (eg, soy milk) flows into the squeezing cylinder (porous cylinder) through the fine holes. A scraper of a separated solid content (for example, okara) is provided in the middle of the opposed lower surface of the cylinder, and the scraper and the opposed lower surface portion from the opposed central portion of both the throttle cylinders to both scrapers are provided. A stagnation portion of the separated solid is formed so as to be surrounded, and in this stagnation portion, The throttle passage formed so as to apply a pressing pressure to the retained separated solids was connected to the throttle.

For example, when using this cylindrical squeezing machine to squeeze soy milk accompanying tofu production, the two squeezing cylinders are opposed to each other while the go is supplied between the opposite side of the two squeezing cylinders. The sides rotate from top to bottom with respect to each other,
Kure is squeezed while being sandwiched between both drawing cylinders.
By this squeezing, soy milk flows into the squeezing cylinder (porous cylinder) through the fine holes, and this becomes the primary squeezing, while okara passes between the squeezing cylinders and is sent downward. .

Next, as described above, the okara which has been sent downward between the two throttle cylinders is peeled off from the outer peripheral surface of the throttle cylinder (perforated cylinder) by a scraper. Accepted in the detention section. The throttle passage communicating with the stagnant portion is formed so that the discharge amount is smaller than the receiving amount so as to give a pressing pressure to the stagnated separated solids. It is possible to squeeze the okara received in the stagnant section. As described above, since okara is squeezed in the stagnation portion, soy milk flows into the squeezing cylinder (porous cylinder) through the fine holes in the opposing lower side surfaces of the two squeezing cylinders forming the stagnation portion, This is the secondary aperture. On the other hand, the okara after the primary throttling is continuously received in the staying portion, so that the okara after the secondary throttling is continuously pushed out from the throttling passage by the pressure from above and discharged. Thereby, the internal pressure of the stagnation portion is kept constant, and a stable throttle action can be performed.

Therefore, in the cylindrical diaphragm machine according to the present invention, the diaphragm is not limited to one-pass by one pass, but is restricted by two passes of the primary diaphragm and the secondary diaphragm, so that the diaphragm efficiency can be improved. In addition, the provision of the stagnation part increases the resistance of the go through the primary drawing,
There is no need to press the two throttle cylinders against each other, and wear of the throttle cylinder can be prevented while improving the aperture efficiency of the primary throttle. In addition, it is not necessary to press the two throttle cylinders together,
From the viewpoint of improving the aperture efficiency, it is desirable that both aperture cylinders are juxtaposed as close to each other as possible (zero gap state).

[0011] In this cylindrical squeezing machine, soymilk flows from the outer peripheral surface of the squeezing cylinder (porous cylinder) to the inside through the fine holes.
That is, it adheres to the outer peripheral surface of the throttle cylinder (porous cylinder). The attached okara can be removed by a scraper, and the clogged fine holes can be shaken off by the centrifugal force generated by the rotation of the throttle cylinder (perforated cylinder). In particular, in the present invention, since the stagnation portion is provided, the squeezing pressure is applied to the fine holes in the stagnation portion, and the squeezing pressure is rapidly released after passing through the stagnation portion. Therefore, the so-called respiration, in which the press-in by the compression and the discharge by the pressure release are repeated in the fine holes each time the fine holes pass, and the okara clogged in the fine holes by the discharge by the pressure release can be removed.

Further, in the cylindrical expansion machine of the present invention, there is a mode (claim 2) in which both a pair of left and right expansion cylinders are formed in a porous cylindrical body. As described above, when both of the squeezing cylinders are formed in the porous cylinder, the squeezing can be performed so that the soymilk flows into the two squeezing cylinders (porous cylinders), respectively. The aperture efficiency can be improved. In addition, one of the pair of left and right drawing cylinders may be formed as a porous cylinder, and the other may be formed as a normal cylinder or a normal roll in which fine holes are not formed. Regarding the size (diameter) of both drawing cylinders, the diameter is the same regardless of whether both of the drawing cylinders are formed in the porous cylinder or one of the drawing cylinders is formed in the porous cylinder. And may be formed in different diameters. In addition, the axial length of the throttle cylinder can be appropriately determined.

Further, in the cylindrical expansion machine according to the present invention, there is a mode in which both the expansion cylinders rotate at the same peripheral speed. As described above, when the two throttle cylinders are rotated at the same peripheral speed, the two throttle cylinders do not rub against each other, thereby preventing wear. In addition, it is not denied that there is a difference in the peripheral speed between the two throttle cylinders. If a difference is made in the peripheral speed, an action of scraping the throttle raw material sandwiched between the two throttle cylinders occurs. In addition, clogging of micropores due to solid content can be prevented.

Further, in the cylindrical diaphragm machine according to the present invention, there is a mode in which one or both of the diaphragm cylinders are urged in a facing direction by a spring. In the cylindrical drawing machine according to the present invention, both the drawing cylinders are brought into the closest possible state (zero gap state).
However, when the internal pressure of the stagnation portion rises to a predetermined pressure or more, if the restricting cylinder is urged in the opposite direction as described above, the urging by the spring is opposed. Since the distance between the squeezing cylinders can be increased, it is possible to stabilize the squeezing pressure by suppressing excessive supply to the stagnation section,
It is possible to prevent troubles caused by forcibly sandwiching between the throttle cylinders, for example, abrasion of the throttle cylinder and clogging of fine holes. In this case, the urging force may be adjusted according to the type and state (solid content concentration, viscosity, etc.) of the squeezed raw material.

Further, in the cylindrical expansion machine of the present invention, there is a mode (claim 5) in which the discharge port of the expansion passage is formed so that the opening area can be adjusted according to the internal pressure of the staying portion. The compression pressure (internal pressure) in the stagnant portion is also affected by the opening area of the discharge port of the throttle passage, and when this opening area is fixed to a constant value, when the internal pressure of the stagnant portion rises above a predetermined pressure. , This cannot be missed, causing trouble. Therefore, for example, a lid biased in a direction to close the discharge port is provided at the discharge port of the throttle passage, and the opening area of the discharge port is adjusted according to the internal pressure of the stagnant portion by adjusting the opening of the lid. When the internal pressure of the stagnation portion rises above a predetermined pressure, the lid opens the discharge port against the urging, so that the excessive internal pressure applied to the stagnation portion is released. And the pressing pressure in the stagnant portion can be stabilized. In addition, it is not denied that the discharge port of the throttle passage is fixed to a certain opening area, and in the case where the throttle raw material has a uniform concentration without unevenness, and the pressing pressure in the stagnation portion is stably constant. It is also possible to fix the outlet of the throttle passage to a fixed opening area.

In the cylindrical drawing machine of the present invention, there is a mode (claim 6) in which the drawing cylinder (porous cylinder) is provided so as to be immersed in the drawing raw material. As described above, if the squeezing cylinder (porous cylinder) is immersed in the squeezed raw material, the separated solids caught at the inlet of the micropores are softened by the squeezed raw material. It can be easily removed by the centrifugal force due to the rotation of the cylinder (porous cylinder) and the respiration by pushing and discharging at the stagnant portion. When both of the drawing cylinders are formed into a porous cylinder, both of the drawing cylinders (porous cylinders) are immersed in the drawing raw material. In such a case, only one of the drawing cylinders (porous cylinder) may be immersed in the raw material for drawing, or one of the drawing cylinders (porous cylinder) and the other of the drawing cylinder (normal cylinder or Both squeezed raw materials may be immersed in the raw material. In this way, when both the throttle cylinders are immersed in the raw material, the squeezing action can be performed in the raw material, so that oxidation can be prevented.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a sectional view of a cylindrical drawing machine according to an embodiment of the present invention. In this embodiment,
A cylindrical squeezing machine used as a soy milk squeezing machine for producing tofu will be described.

In the drawing, reference numerals 1 and 1 denote a pair of left and right diaphragm cylinders which are provided side by side in parallel in the axial direction. In this case, a large number of fine holes 11 are formed in both diaphragm cylinders 1 and 1. It is formed in a perforated cylindrical body. The squeezing cylinder 1 uses a base cylinder 1a in which a large number of punching holes 10 are formed in a thick plate as a reinforcing member. On the outer peripheral surface of the base cylinder 1a, a large number of fine holes 11 are formed in a thin-walled cylinder wall. It is formed by overlapping mesh tubes 1b. In addition, one of the drawing cylinders 1 is formed in a porous cylinder in which the fine holes 11 are formed,
The other drawing cylinder 1 may be formed as a normal cylinder or a normal roll in which the fine holes 11 are not formed.

The two throttle cylinders 1 and 1 are formed to have the same diameter (different diameters), and their opposite sides rotate from top to bottom (in the direction of arrow A) at the same peripheral speed. It is supported by. In this case, the mounting position of one diaphragm cylinder 1 is fixed, and the other diaphragm cylinder 1 is movably supported in the opposing direction and is urged in the opposing direction by the spring 12. The throttle bodies 1 and 1 are juxtaposed as close as possible so that the gap between the two throttle cylinders 1 and 1 is zero by being locked by the stopper 13. Also, although not shown,
The two throttle cylinders 1, 1 are erected in a state of being slightly inclined in the axial direction, and a narrow passage for soymilk (separated liquid) is formed on the end face on the lower side of the slant, soymilk discharged from the narrow passage is formed. ,
They are collected in a soymilk tank via a pipe. still,
The throttle cylinders 1 and 1 do not necessarily need to be inclined, and may be installed horizontally.

The two drawing cylinders 1 and 1 are fitted in the left and right casings 3 and 3 from the upper end to the middle of the opposed lower surface through the opposed and opposite surfaces while maintaining the gaps 2 and 2. It is supported by. As a result, between the upper ends of the left and right casings 3, 3, the pair of improved side surfaces 1 of the throttle cylinders 1, 1 are arranged.
Opened so as to face 5 and 15, this is formed as a supply port 30 for Kure G (drawing raw material), and both drawing cylinders 1 and 1 are immersed in Kure G.

Opposite lower side surfaces 16, 1 of both drawing cylinders 1, 1
A scraper 4, 4 is provided in the middle of 6 and an opposing lower side surface portion 16 from the opposing central portion 17 of both the drawing cylinders 1, 1 to the scrapers 4, 4 is provided.
a, 16a, so that it is surrounded by okara (separated solids)
The stagnation passage 5 is formed by narrowing the passage so as to apply a pressing pressure to the stayed okara and reduce the discharge amount so as to make the discharge amount smaller than the reception amount.
0 is formed. In this case, a cover 53 urged by a spring 52 in a direction to close the discharge port 51 is provided at the discharge port 51 of the throttle passage 50, and the cover 53 discharges according to the internal pressure of the stagnation section 5. The opening area of the outlet 51 can be adjusted.

Next, the operation of the cylindrical expansion machine will be described. In this cylindrical squeezing machine, both squeezing cylinders 1 and 1 are rotated in the direction of arrow A with each other, while supplying gou G as a squeezing raw material to the supply port 30. Wu G received between the pair of improving side surfaces 15 of the pair 1, 1 is compressed while being sandwiched between the two drawing cylinders 1, 1. The squeezing causes soy milk to flow into the squeezing cylinders 1 and 1 through the fine holes 11 and 11 to serve as a primary squeezer. The soy milk flowing into the squeezing cylinders 1 and 1 is supplied to a soy milk tank (not shown). On the other hand, okara is sent downward through the space between both the throttle cylinders 1 and 1.

In this manner, the okara which has been sent downward between the two throttle cylinders 1 and 1 is sent to the scrapers 4 and
While being stripped off from the outer peripheral surface of the drawing cylinders 1, 1 by the diaphragm 4, it is received by the retaining section 5. Since the throttle passage 50 of the stagnation portion 5 is formed by narrowing the passage so as to make the discharge amount smaller than the receiving amount, an internal pressure is generated in the stagnation portion 5 and the okara received by the stagnation portion 5 Can be squeezed. As described above, since okara is squeezed in the stagnation portion 5, soy milk is passed through the fine holes 11, 11 in the opposed lower side portions 16 a, 16 a of the squeezing cylinders 1, 1 forming the stagnation portion 5, so that the soymilk is squeezed. It flows into the bodies 1, 1 and this becomes the secondary throttle. On the other hand, since the okara after the primary restriction is continuously received in the retaining portion 5, the okara after the secondary restriction is continuously pushed out from the discharge port 51 of the restriction passage 50 by the pressure from above and discharged. . Thereby, the internal pressure of the stagnation section 5 is kept constant, and a stable throttle action can be performed.

Therefore, in this cylindrical diaphragm machine, the diaphragm is not limited to one-pass by one pass, but is restricted by two passes of the primary diaphragm and the secondary diaphragm, so that the diaphragm efficiency can be improved. In addition, by providing the stagnation section 5,
Since the passage resistance of Kure G at the time of the primary drawing is increased, there is no need to press the two drawing cylinders 1 and 1 against each other, thereby preventing the wearing of the drawing cylinders 1 and 1 while improving the drawing efficiency of the primary drawing. The aperture can be reduced by using both (two) aperture cylinders 1 and 1, so that the aperture efficiency can be improved while having a compact configuration.

Okara adhering to the outer peripheral surface of the drawing cylinders 1 and 1 can be removed from the scraper 4 and 4, and clogging of the fine holes 11 and 11 can be removed from the drawing cylinders 1 and 1. Okara can be shaken off by the centrifugal force of the rotation of 1,1. In particular, in the stagnation portion 5, the fine holes 11
When the pressing pressure is applied to the squeezed portion 5 and the squeezed portion 5 is passed, the pressing pressure is rapidly released. Therefore, the so-called respiration, in which the press-in by the compression and the discharge by the pressure release are repeated in the micro-hole 11 every time it passes through the stagnant portion 5, occurs, and the okara clogged in the micro-hole 11 by the discharge by the pressure release can be removed. . Also, since the squeezing cylinders 1 and 1 were immersed in Kure G as the squeezing raw material, the okara caught at the inlet of the fine hole 11 was softened by the gusset G and became soft. The centrifugal force due to the rotation and the breathing by pushing and discharging at the stagnant portion 5 can easily remove the squeezing action, and the squeezing action can be performed in the gou G, so that the oxidation of the soymilk can be prevented.

Since the two throttle cylinders 1 and 1 are rotated at the same peripheral speed, the two throttle cylinders 1 and 1 do not rub against each other, thereby preventing wear. Also, the drawing cylinder 1,
1 is urged in the opposing direction, so that when the internal pressure of the stagnation portion 5 rises above a predetermined pressure, the interval between the throttle cylinders 1 and 1 can be expanded against the urging by the spring 12. The compression pressure can be stabilized by suppressing excessive supply to the retaining portion 5, and the abrasion and fine pores of the throttle cylinders 1, 1 caused by being forcedly sandwiched between the throttle cylinders 1, 1 can be suppressed. 11
Troubles such as clogging can be prevented.

Further, a cover 53 biased in a direction to close the discharge port 51 is provided at the discharge port 51 of the throttle passage 50,
Since the opening area of the discharge port 51 is formed so as to be adjustable according to the pressing pressure of the okara retained in the retaining section 5, when the internal pressure of the retaining section 5 rises above a predetermined pressure, the cover 53 is The discharge port 51 is opened against the bias of the spring 52. Therefore, an excessive internal pressure generated in the retaining section 5 can be released, and the pressing pressure in the retaining section 5 can be stabilized.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration is not limited to this. For example, in addition to being used as a soy milk squeezing machine, the cylindrical squeezing machine of the present invention can be used as a squeezing machine for sake, oil, fruit juice, etc., or a squeezing machine for separating mud from sludge. Applicable to squeezing machines used for liquid separation. Further, regarding the material and fine holes of the cylindrical wall of the drawing cylinder, a mesh plate or a punching plate in which fine holes are formed in a metal such as iron or stainless steel, a plastic material or a rubber material, or a sponge material, a porous rubber material, or a cloth. Materials can be used.

[0029]

As described above, in the cylindrical drawing machine according to the present invention, the stagnation portion is provided, so that the drawing material is squeezed and passed through the fine holes (primary drawing). Therefore, since the second solidification of re-squeezing the separated solid content (secondary squeezing) can be performed, the squeezing efficiency can be improved. In addition, the stagnation portion can increase the passage resistance of the squeezed raw material to improve the squeezing efficiency of the primary squeezing, and it is not necessary to press the two squeezing cylinders against each other. As a result, the service life can be improved. In addition, the centrifugal force generated by the rotation of the squeezing cylinder and the respiration caused by the provision of the stagnant portion can remove solids used in the micropores, prevent the micropores from being clogged, and provide continuous operation for a long time. Driving becomes possible.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a cylindrical drawing machine according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drawing cylinder 1a Base cylinder 1b Mesh cylinder 10 Punching hole 11 Micro hole 12 Spring 13 Stopper 15 Improved side 16 Opposite lower side 16a Opposed lower side part 17 Opposite center part 2 Void 3 Casing 30 Supply port 4 Scraper 5 Retaining part Reference numeral 50 throttle passage 51 discharge port 52 spring 53 lid body G Kure (drawing raw material)

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Koichiro Nakagawa 18-Year, Zenwa, Ube-shi, Yamaguchi 18-Yanagiya Co., Ltd. F-term (reference) 4B020 LB18 LP09 LP12 4D059 AA09 BE15 BE27 BE51

Claims (6)

[Claims] At least one of a pair of left and right diaphragm cylinders arranged side by side with their axial directions parallel to each other is formed in a porous cylinder having a large number of fine holes formed therein. By rotating the opposite sides from top to bottom, the squeezed raw material received between the pair of improved side surfaces is squeezed between the two squeezing cylinders, and the separated liquid is finely divided into squeezed cylinders that become porous cylinders. The scraper is formed so as to flow through the hole, and a scraper of separated solid is provided in the middle of the opposed lower side surfaces of both the throttle cylinders, and the scraper and the scraper from the opposite center portion of the both throttle cylinders to both scrapers are provided. A stagnant portion of the separated solid is formed so as to be surrounded by the opposing lower side surface portion, and a throttle passage formed to apply a pressing pressure to the stagnated separated solid is communicated with the stagnant portion. Cylindrical drawing machine. 2. The cylindrical drawing machine according to claim 1, wherein
A cylindrical drawing machine in which both a pair of left and right drawing cylinders are formed in a perforated cylindrical body. 3. The cylindrical expansion machine according to claim 1, wherein both of the expansion cylinders rotate at the same peripheral speed. 4. The cylindrical expansion machine according to claim 1, wherein one or both of the expansion cylinders are urged in the opposite direction by a spring. 5. The cylindrical expansion machine according to claim 1, wherein the discharge port of the expansion passage is formed such that the opening area can be adjusted according to the internal pressure of the stagnation portion. . 6. The cylindrical drawing machine according to claim 1, wherein the drawing cylinder, which is a porous cylinder, is provided so as to be immersed in a drawing raw material. .