JPS60176556A - Apparatus for producing bread crumb - Google Patents

Abstract

PURPOSE:To produce homogeneously mixed high-quality bread crumb, by rotating a pair of mutually intermeshed screws of a twin-screw extruder to the same directions, thereby performing the heat-generation, texturization and swelling of a bread crumb composition in a short time. CONSTITUTION:The objective apparatus for producing bread crumb from a material composed mainly of wheat flour, is furnished with a barrel 2 having a cavity with cocoon-shaped cross-section. The raw material feed port 6 is opened near one end of the barrel, and the dies 7, 7' to extrude the product are attached to the other end of the barrel. A pair of parallel rotary shafts 1, 1' having mutually intermeshed spiral surfaces 3, 3', 5, 5' are inserted into the cavity of the barrel. Each spiral screw has the pitch and shape varying along the length of the shaft. A jacket 9 for heating or cooling is attached to the outer circumference of the barrel 2. Since the heat-generation, texturization and swelling of the bread crumb composition can be carried out in a short time, high-quality bread crumb having stable quality can be produced.

Description

[Detailed description of the invention] industrial application field) The present invention relates to an apparatus for producing bread crumbs.

Prior art) Bread flour has traditionally been produced using wheat flour as its main ingredient, adding various additives and yeast, and going through the steps of molding, layer aging, baking, cooling, pulverizing, and drying. This conventional manufacturing apparatus has the disadvantages of requiring a large factory area and requiring long hours of work.

The bread crumb manufacturing device of the present invention is an application of a twin-screw extrusion molding machine, which does not require a large area of equipment and can shorten the process. This is a new device that can be manufactured in a fraction of the time and has unprecedented effects.

Conventional shaft-type extrusion molding machines are widely used in the plastic manufacturing field, and are also known for use in the food manufacturing field. However, there are many restrictions on its use, and it is only effective under special conditions. For example, there are limitations on water addition meters, it is impossible to supply interest with high oil and fat content, and it is difficult to maintain constant manufacturing conditions, making it difficult to maintain product quality at a constant level. there were. Another limitation is that the feed composition to be supplied must be mixed in advance at a certain ratio.

OBJECT OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a novel bread crumb manufacturing apparatus that utilizes a twin-screw extrusion molding machine and has unprecedented effects.

The device of the present invention imparts compression and shearing forces to the material by rotating the biaxial spiral surfaces in the same direction, and at the same time converts wheat flour starch, the main ingredient in bread crumb production, into alpha-alpha, and at the same time removes additives such as fats, oils, and sugar.
Vegetable protein, salt, etc. can be mixed completely and uniformly. Furthermore, (2) powder production requires an appropriate amount of water in addition to the above additives, but there is no need to mix and stir the above additives in advance; instead, they can be directly injected into the material introduction section of this device. The mixture is completely mixed within the spiral plane that rotates in the same direction. - In a axial extrusion molding machine, it is difficult to transport the material downstream unless the space between the helical surface and the barrel is filled with material, and therefore it is impossible to inject useful ingredients in the middle of the axial barrel. In the device of the invention, the actions of conveying, mixing, squeezing, shearing, etc. of the materials are all performed while the spiral surfaces rotate in the same direction, so there is no need for the barrel to be filled with grit. Therefore, ingredients useful for producing bread crumbs can be injected or supplied at any position in the barrel.

The present invention is characterized by <j, which is a feature of a twin-screw extruder, in that the spiral surfaces inserted into the machine rotate in the same direction to cause heat generation, organization, and swelling of the bread crumb composition in a short period of time, resulting in homogeneous mixing. It can produce high quality bread crumbs.

Configuration of the Invention) The configuration of the present invention will be explained below with reference to the drawings. 1st
The figures are longitudinal cross-sectional views of the bread crumb manufacturing apparatus of the present invention. Figure 1 is a cross-sectional view taken from
FIG.

In the figure, / and /7 are two rotating shafts that are supported parallel to each other in the barrel 2, which has a cavity with a cross-section shaped like a pair of glasses. Helical surfaces 3 and 3' having different pitches are installed along the action areas, that is, the conveying area A1 and the high pressure area BK, and the braking area C at the most downstream part has a helical direction in the opposite direction so as to have a braking effect. A helical surface j, , j provided with a window is attached. The rotating shafts /, /' are synchronously rotated in the same direction by a drive device (not shown). A raw material supply port t is provided near the upstream end of the barrel 2.
A hole is provided facing the meshing part of the mixing part 3.3', and a discharge die 7.7' is provided on the downstream end face of the shaft/discharge die 7.7'.
, /1 are fixed concentrically. Further, a plurality of small holes for injecting water, oil, etc. are provided in the downstream part of the conveying area A of the barrel l.

Around the outside of Balerno's pressure high area B and braking area C,
The enclosure shall be provided with heating or cooling means. As the heating means, an induction heating method that allows accurate temperature control is suitable, and as the cooling means, a water-cooled Jafut is suitable.

action of the invention) The operation of the apparatus configured as described above will be explained below.

The powder mixture of flour, sugar, vegetable protein, salt, etc., which is the raw material for bread crumb production, is charged from raw material supply 0 B and enters the conveying area A, which consists of a spiral with the widest pitch, and continuously increases the pressure downstream. It is transferred to area B, but on the way, necessary water, oil, seasonings, etc. are injected through the pores. In the high pressure region B, the pitch of the spiral gradually becomes narrower. Under the force of compression and shearing of these mutually meshing spiral surfaces, the starch of the wheat flour is alpha-ized and other additives are mixed uniformly. Furthermore, when the braking zone C is reached, it is braked and the material is pushed back in the opposite direction. Within this damping region, the helical surface has a window aperture, the size and spacing of which is determined appropriately, and moves gradually in the direction of the selective f dia, 77, as the texture of the old material progresses. The bread crumbs can be made into strips on a die to form a product, or they can be stretched into edges on a conveyor (not shown) to form a bread crumb product with a different texture. When bread crumbs are produced using this device, they are extruded through a die disposed at the downstream end of the barrel and easily expanded by heating due to friction and shear between the crumbs within the spiral plane, as well as external heating by the surrounding body.

This is due to the heating of the material. This is because a product satisfying the texture of flour can be obtained.

Furthermore, the apparatus of the present invention can be used for producing bread crumb bases, and bread crumbs with different textures can be produced by stretching and extruding the material into noodle shapes, and passing through steps such as cooling, cutting, crushing, and drying. In that case, swelling of the material can be prevented by water cooling with a jacket surrounding the barrel.

Effect of the invention) According to the present invention, the following effects not found in the prior art can be obtained.

(b) The site area is small because there is no need for equipment such as the complete + 4 mixing process of raw materials and additives as in the conventional method.) Multi-functional effects are achieved in one process, and energy is used effectively. Therefore, the energy saving effect is significant.

c) Since the bread crumb composition can be heated, organized, and swelled in a short time, stable and high-quality bread crumbs can be obtained.

Although the above explanation has been made regarding the production of bread crumbs, the apparatus of the present invention can also be used for producing other foods such as snacks, structured bread crumbs,
It can also be used in the production of pasta, dairy products, instant foods, etc.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional view of the bread crumb production stomach of the present invention, FIG. 2 is a cross sectional view taken from ■-■ in FIG. 7, and FIG. 3 is a cross-sectional view taken from FIG. /, /': Rotation axis 1. ! Two barrels, 3.3': spiral surface,
41.: window, evening, t9m spiral surface, t: raw material supply port, 7.
7': die, g: pore, 9: enclosure. A: Conveying area, B: High pressure area, C: Braking area. Patent applicant Mitsubishi Kakoki Co., Ltd.

Claims (1)

[Claims] /) An apparatus for producing bread crumbs from a material whose main component is wheat flour, in which a raw material supply port is provided near one end surface and a die for discharging the product is fixed to the other end surface. A barrel having a cavity with a spectacle-shaped cross section, and a barrel having mutually interlocking spiral surfaces having different pitches and shapes along the longitudinal direction of the shaft, which are mounted in the cavity of the barrel and are pivoted in parallel to each other. A bread crumb manufacturing device characterized by having two rotating shafts. 2) The bread crumb manufacturing apparatus according to claim 1, characterized in that a heating or cooling enclosure is provided around the outer periphery of the barrel.