KR101754096B1 - Large screw kneader method and large screw kneading - Google Patents

Abstract

The present invention relates to a method for manufacturing a large-sized kneading screw, in which a plurality of screw pieces cut to a predetermined thickness from one side of a kneading screw to be manufactured are successively joined to an outer circumferential surface of a rotating shaft, Thereby making it possible to easily manufacture a large kneading screw and to provide a large kneading screw size to a user in a desired size so as to improve the productivity of the kneading screw and to improve the productivity of the kneading screw So that the twist angle of the screw can be adjusted.

Description

[0001] The present invention relates to a method for manufacturing a large kneading screw,

More particularly, the present invention relates to a method for manufacturing a large-sized kneading screw, and more particularly, to a method of manufacturing a large-sized kneading screw by combining a plurality of screw pieces cut into a predetermined thickness sequentially from one side of a kneading screw to be manufactured, It is possible to easily manufacture a large kneading screw by using a screw knife, and also it is possible to manufacture a large kneading screw in a size desired by the user, thereby improving the productivity of the kneading screw, And more particularly, to a method of manufacturing a large-sized kneading screw in which the twist angle of the screw can be adjusted by forming the angles of the keyways formed on the knives to be different from each other.

In general, kneading means kneading kneading water for producing foods such as cold noodles or noodles, and is now widely used for kneading industrial kneading materials such as viscous clay or viscous synthetic resin.

The kneading apparatus for kneading the kneaded product includes a body portion having a motor rotated by using an external power source, as disclosed in Korean Utility Model Registration No. 0460637; A hopper having a pair of kneading screws mounted on an upper surface of the body so as to knead the kneaded product; And a pair of discharge screws installed between the body and the hopper and capable of discharging the kneaded material kneaded by the kneading screw to the outside.

The pair of kneading screws mounted inside the hopper receives the rotational force of the motor and kneads the kneaded product into the hopper while rotating in opposite directions.

A spur gear is coupled to the rotary shaft of the kneading screw so that the kneading screw can be rotated in opposite directions in the hopper, and is installed on one of the two rotary shafts so as to be positioned at the rear end of the spur gear.

At this time, the spur gears provided on the rotating shafts are configured to be engaged with each other.

The driving gear provided in the motor and the connecting gear provided on the rotating shaft are connected by a chain so that the chain which receives the rotating force of the motor rotates the connecting gear axially installed on the rotating shaft, and the rotating shaft, which receives the rotating force of the connecting gear, The kneading screw provided inside the hopper is rotated in the opposite direction to knead the kneaded product put into the hopper.

The kneaded dough is kneaded by a kneading screw provided inside the hopper, and the kneaded product is introduced into the discharge housing through an outflow hole provided in a bottom surface of the hopper.

At this time, the outlet hole maintains the closed state while the kneading screw kneads the kneaded product, and it is revealed that the kneading screw is opened when the kneaded product is finished.

The kneaded product introduced into the discharge housing through the outlet hole is discharged to the outside while being moved to the front end of the discharge housing by rotation of the discharge screw.

The discharge screw installed in the discharge housing also receives rotational force of the motor as a kneading screw and rotates in opposite directions to move the kneaded product to the front end of the discharge housing.

Accordingly, a pair of spur gears are provided on the rotating shaft provided in the discharge housing, and a connecting gear connected to the motor is installed on one of the pair of rotating shafts so as to be positioned at the rear end of the spur gear.

Then, the driving gear and the connecting gear provided in the motor are connected by a chain.

The operation of the discharge screw is described as follows. The chain, which receives the rotational force of the motor, transmits the rotational force of the motor to the connecting gear provided on the rotating shaft of the discharging screw. The rotary shaft is rotated in opposite directions by the spur gear provided on the rotary shaft, and the pair of discharge screws coupled to the inside of the discharge housing rotate in the opposite direction, The kneaded kneaded water is discharged to the outside of the kneading apparatus.

However, since the conventional kneading screw is manufactured by molding the kneading screw provided inside the hopper, it is not easy to manufacture the kneading screw of 1M or more and the manufacturing cost is increased.

That is, since the size of the kneading screw mounted inside the conventional hopper is made less than 1M, the molding process is processed at a small cost. In order to manufacture the kneading screw of 1M or more, Sized kneading screw, it is not easy to manufacture the kneading screw for large kneading, and the manufacturing cost is increased.

Also, in order to manufacture kneading screws of 1M, 1.2M, 1.5M or more according to the user's demand, the molds must also be manufactured in sizes of 1M, 1.2M, 1.5M and so on or more. It is not easy to manufacture a suitable large kneading screw and the productivity of the large kneading screw is lowered due to an increase in production cost and the size of the kneading screw is not easily changed .

Accordingly, in order to solve the above problems, the present invention is characterized in that a plurality of screw pieces cut to a predetermined thickness from one side of a kneading screw to be manufactured are sequentially joined to an outer circumferential surface of a rotary shaft, It is possible to easily manufacture the large kneading screw and to provide the size of the large kneading screw to the size desired by the user so that the productivity of the kneading screw can be improved and the productivity of the kneading screw The thickness of the screw pieces constituting the portion where the twist angle of the kneading screw is large is smaller than the thickness of the screw pieces constituting the portion having a small twist angle, A plurality of screw pieces are welded together to facilitate the polishing process One is for the purpose of providing a method of manufacturing the screw so that the large dough.

According to an aspect of the present invention,

A method for manufacturing a large-sized kneading screw,

A first step of forming a shaft having a key part;

A plurality of screw pieces formed to be symmetrical with respect to the center of the kneading surface at both ends,

The screw-

A second step of sequentially cutting the kneading screw into a predetermined thickness from one side of the kneading screw to be manufactured;

A shaft hole having a key groove into which a key part is fitted is formed at the center of the screw,

A third step of forming a shape of the key groove so as to be inclined in a clockwise or counterclockwise direction corresponding to a twist angle of the kneading screw, with reference to a position of a key groove formed in a screw piece constituting both ends of the kneading screw;

A fourth step of sequentially fitting a plurality of prepared screw pieces to the shaft;

And a fifth step of welding the surfaces of the screw pieces joined to the shaft by welding and polishing the surface.

According to the present invention, there is provided a method of manufacturing a large-sized kneading screw, and more particularly, to a method of manufacturing a large-sized kneading screw by combining a plurality of screw pieces cut to a predetermined thickness from one side of a kneading screw to be manufactured, Therefore, it is possible to easily manufacture a large-sized kneading screw by using a screw piece coupled to a shaft, and to provide a large-sized kneading screw to a user in a desired size, thereby improving the productivity of the kneading screw The effect can be expected.

Further, the angles of the keyways formed in the screw pieces may be different from each other to adjust the twist angle of the screw.

The thickness of the screw pieces constituting the portion of the kneading screw having a large twist angle is formed to be smaller than the thickness of the screw pieces constituting the portion having a small twist angle so that the plurality of screw pieces coupled to the shaft can be welded and then polished The effect can be expected.

In addition, since a large kneading screw is manufactured by coupling a plurality of screw knives to a shaft, it is possible to expect an effect of facilitating the production of kneading screws of various sizes to meet the needs of users.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a state in which a large kneading screw of the present invention is installed inside a hopper; Fig.
FIG. 2 is an exploded perspective view of a large kneading screw of the present invention. FIG.
FIG. 3 is a perspective view showing a combined kneading screw of the present invention. FIG.
4 is a cross-sectional view taken along line A-A 'of the present invention;
5 is a cross-sectional view taken along line B-B 'of the present invention;
6 is a cross-sectional view taken along line C-C 'of the present invention;
7 is a cross-sectional view taken along line D-D 'of the present invention.
8 is a sectional view showing a section of G1 of the present invention.
9 is a sectional view showing a section of G2 of the present invention.
10 is a sectional view showing another state of a screw for a large kneading of the present invention.
11 is a block diagram of a method for manufacturing a large-sized kneading screw of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to FIGS. 1 to 11 as follows

According to the drawings,

A method for manufacturing a large-sized kneading screw,

A first step (S1) of forming a shaft (10) provided with a key part (11);

A plurality of screw pieces (30) having kneading surfaces (31) formed symmetrically at both ends about the center are formed,

The screw pieces (30)

A second step (S2) of making the dough screw (20) to be cut in a predetermined thickness sequentially from one side of the kneading screw (20) to be manufactured;

A shaft hole (32) having a key groove (33) in which a key part (11) is fitted is formed at the center of a screw piece (30)

The position of the key groove 33 is determined based on the position of the key groove 33 formed in the screw piece 30 constituting the both ends of the kneading screw 20 in correspondence with the twist angle of the kneading screw 20 Or a counterclockwise direction (S3);

A fourth step (S4) of sequentially fitting a plurality of prepared screw pieces (30) to the shaft (10);

And a fifth step (S5) of welding the surfaces between the screw pieces (30) coupled to the shaft (10) by welding.

As shown in FIG. 1, the present invention relates to a method for manufacturing a large-sized kneading screw of at least 1M installed in a hopper 100 and a large-sized kneading screw manufactured using the manufacturing method.

The large kneading screw comprises a shaft 10 and a kneading screw 20 coupled to the shaft 10 as shown in Fig.

The kneading screw 20 is manufactured by grinding a plurality of screw pieces 30 in a state of being coupled to the shaft 10.

In order to manufacture the large kneading screw 20 as described above, the shaft 10 having the key portion 11 formed in the longitudinal direction is formed as shown in FIG. 2,

And a plurality of screw pieces 30 having a shaft hole 32 penetratingly connected to the shaft 10 at the center are coupled.

The screw pieces 30 are sequentially cut to a predetermined thickness from one side of a kneading screw 20 to be manufactured.

That is, when a kneading screw 20 having a size of 2M is to be manufactured in accordance with a user's request, a plurality of screw pieces 30 having a predetermined thickness are formed on the outer peripheral surface of the shaft 10, It is a sequential combination.

At this time, in order to facilitate the engagement of the screw pieces 30 formed from P1 to Pn in order to the outer circumferential surface of the shaft 10, the order of joining to the surface of the screw body 30a is represented by a symbol or a small number of Arabic numerals .

As shown in FIGS. 4 to 7, the plurality of screw pieces 30, which are sequentially coupled to the shaft 10, are formed with kneading surfaces 31 symmetrically at both ends around the center of the screw body 30a, A shaft hole 32 penetrating the shaft 10 is formed at the center of the screw body 30a of the screw piece 30 provided with the shaft 31.

The kneading surface 31 formed symmetrically on both ends of the screw piece 30 is formed by a first guiding surface 31a for moving the kneaded material introduced into the hopper 10 to the center of the screw body 30a, And a second guiding surface 31b which can move the kneaded material moved to the center of the screw piece 30 to both ends of the screw body 30a is curved on the outer surface.

Therefore, the kneaded product introduced into the hopper 100 is kneaded while moving the first guide surface 31a and the second guide surface 31b to the center or both ends of the screw piece 30.

The key groove 33 in which the key portion 11 protruding from the shaft 10 is inserted is formed at the center of the screw piece 30 provided at the both ends of the kneading surface 31 in such a manner as to communicate with the shaft hole 32 Are formed in the respective screw bodies 30a.

The key groove 33 formed at the center of the screw piece 30 is formed in the screw body 30a so as to form a predetermined angle in the clockwise or counterclockwise direction of the shaft 10, The plurality of screw pieces 30 coupled to the shaft 10 are bent so as to be symmetrically twisted toward both ends about the center of the shaft 10 as shown in FIG.

4 (a), the key groove 33 of the screw piece 30, which is first engaged with the outer circumferential surface of the shaft 10, is formed vertically from the center of the shaft hole 32 as shown in FIG. 4 (b) The kneading surface 31 provided on the screw body 30a for coupling the screw body 30a formed with the screw shaft 33 to one end of the shaft 10 forms the same vertical line as the key portion 31. [

5 (a), the cross-section of the screw piece 30 coupled with the shaft 10 is formed with a screw body 30a provided with a clockwise sloped key groove 33 as shown in FIG. 5 (b) When the screw body 30a is coupled to the shaft 10, the kneading surfaces 31 provided at both ends of the screw body 30 are engaged with the key portion 11 of the shaft 10, As shown in (c) of FIG.

As shown in FIG. 6 (a), the cross-section of the screw body 30a of the screw piece 30 coupled to the shaft 10 is as shown in FIG. 6 (b) Since the screw body 30a provided with the key groove 33 is coupled to the shaft 1, the screw piece 30 is inclined to the outer circumferential surface of the shaft 10 as shown in FIG. 6 (c) Lt; / RTI >

7 (a), the cross section of the screw piece 30 coupled to the other end of the shaft 10 is shown in Fig. 4 (b), which is initially engaged with one end of the shaft 10, A screw body 30a having a key groove 33 at the same position is coupled to the outer peripheral surface of the shaft 10. [

The cross section of the screw piece 30 shown in Figs. 4 to 6 of the present invention is a cross section cut from the cross section of the screw piece 30 joined from the left side of the shaft 10 to the center of the shaft 10, A cross section of the screw piece 30 coupled from the right end to the center which is the other end of the shaft 10 is not shown in the figure but a key groove 33 formed clockwise from the left end to the center of the shaft 10 Symmetrically.

Accordingly, a plurality of screw pieces 30, which are bent and coupled to the outer circumferential surface of the shaft 10, are screwed together as shown in Fig.

5 (b) and 5 (c), the screw body 30b, which is coupled to the shaft 10, is formed by connecting the screw piece 30 having one short end to the outer peripheral surface of the shaft 10, The kneaded material kneaded on the upper surface of the kneading screw 20 by the discharge groove 40 is not shown in the figure but flows out through the outflow groove provided on the bottom surface of the hopper 100 .

The fixing nut 50 is fixed to the threaded portion 13 formed at both ends of the shaft 10 so as to fix the plurality of screw pieces 30 that are coupled to the outer circumferential surface of the shaft 10 by the key groove 33, And the plurality of screw pieces 30, which are bent and joined together, are welded together.

3 (a), the screw pieces 30 are joined to the shaft 10 so as to be curved, so that the curved portions are subjected to a line drawing process and a polishing process, Thereby producing the smooth kneading screw 20.

As shown in FIGS. 8 and 9, the screw pieces 30, which form a part of the kneading screw 20 having a large twist angle, are formed on the surfaces of the plurality of welded screw pieces 30, Is smaller than a thickness (T2) of the screw piece (30) forming a portion having a small twist angle.

The thickness T2 of the screw piece 30 is varied according to the twist angle of the kneading screw 20. The screw piece 33 is screwed to the shaft 10 The screw pieces 30 are coupled to the outer circumferential surface of the shaft 10 by the key groove 33 provided in the screw body 30a.

Therefore, as shown in FIG. 8 (a), the linear portion coupled to P1-P3 and Pn-2 at G1 portions has a large twist angle, so that the curvature between the screw pieces 30 and the screw pieces 30 is largely formed Which causes a lot of curved portions to be polished,

As shown in FIG. 9 (a), since the curved portion coupled to the G2 portion P4 or P13 or Pn-3 to P-12 has a small twist angle, the curvature between the screw piece 30 and the screw piece 30 is made small And therefore, the curved small portion must be polished.

8 (a), the thickness T1 of the screw member 30 is formed to be larger than the thickness T2 of the screw member 30 as shown in FIG. 9 (b) Thereby facilitating the grinding process.

Since the large kneading screw is manufactured by coupling a plurality of screw pieces 30 to the outer circumferential surface of the shaft 10, it is possible to easily manufacture a large kneading screw, The size of the screw pieces 30 can be adjusted according to the user's demand.

Since the twist angle of the screw piece 30 which is coupled to the shaft 1 in a direction of being twisted is formed in accordance with the tilting angle of the key groove 33 provided in the shaft hole 32, Can be easily manufactured.

And the thicknesses T1 and T2 of the screw pieces 30 are formed differently according to the angle of twist to facilitate the surface processing of the kneading screw.

10 shows another form of the screw 10 which passes through the shaft 10 and the shaft 10. A key groove 12 is formed in the shaft 10 and a key groove 12 is formed in the key groove 12. [ It is possible to form the shaft fixing hole 34 in the inner peripheral surface of the shaft hole 32 so as to protrude.

10: Axis, 11: Chivu,
12: keyway, 13: threaded portion,
20: kneading screw, 30: screw knife,
30a, 30b: screw body, 31: kneading surface,
31a: first guiding surface, 31b: second guiding surface,
32: shaft hole, 33: keyway,
34: shrinking portion, 40: exhaust groove,
50: Fixing nut,

Claims (3)

A method for manufacturing a large-sized kneading screw,
A first step (S1) of forming a shaft (10) provided with a key part (11);
A plurality of screw pieces (30) having kneading surfaces (31) formed symmetrically at both ends about the center are formed,
The screw pieces (30)
A second step (S2) of making the dough screw (20) to be cut in a predetermined thickness sequentially from one side of the kneading screw (20) to be manufactured;
A shaft hole (32) having a key groove (33) in which a key part (11) is fitted is formed at the center of a screw piece (30)
The position of the key groove 33 is determined based on the position of the key groove 33 formed in the screw piece 30 constituting the both ends of the kneading screw 20 in correspondence with the twist angle of the kneading screw 20 Or a counterclockwise direction (S3);
A fourth step (S4) of sequentially fitting a plurality of prepared screw pieces (30) to the shaft (10);
And a fifth step (S5) of welding the surfaces between the screw pieces (30) coupled to the shaft (10) by welding, and polishing the surface,
The thickness T1 of the screw pieces 30 constituting the portion where the twist angle of the kneading screw 20 is large is formed to be smaller than the thickness T2 of the screw pieces 30 constituting the portion having a small twist angle A method of manufacturing a screw for a large dough.
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