JPH0269133A - Method for cutting fish body - Google Patents

Abstract

PURPOSE:To obtain slices of nearly uniform apparent size by greatly rotating the tail side of a fish body around the center line in parallel with the feeding direction and cutting the fish body with a cutting blade moving in a tilted plane. CONSTITUTION:A fish body 1 is placed on a carrier table 2 so as to place the longitudinal direction to the direction of a rotation center line 4 and the head side on the side of a feeding bar 14. The table 2 is rotated through a motor 8, a small gear 10 and a large gear 6 around the center line 4 in the direction of an arrow (B) to a prescribed angle. A portal frame 26 is tilted through a motor 30, a small gear 32 and a large gear 28 around a rocking center line 24 until a prescribed tilting angle is attained and a cutting blade 36 is then moved in a tilted plane (Z) having a prescribed tilting angle. A motor 20 is subsequently rotated and driven to move the feed bar 14 through a sprocket 18 and a chain 16 on the table 2 in the direction of the center line 4. The fish body 1 is intermittently moved through a prescribed travel in the direction of the center line 4 with the bar 14. The cutting blade 36 is then rotated in the direction of an arrow (E) with the motor 38 and simultaneously in the direction of an arrow (F). The fish body 1 is cut with the cutting blade 36 moving in the tilted plane (Z).

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for cutting a fish body so that the apparent size of the fish body is substantially uniform.

[Prior art] The shape of the fish body gradually becomes thinner toward the tail, and if fillets were simply cut to have the same weight, it would be difficult to display and sell them at large retail stores. In some cases, the sizes of the fillets were uneven, which caused problems. Therefore, conventionally, in order to make the sizes of the fillets uniform, for example, as described in Japanese Patent Publication No. 52-42717, a plate on which a fish body is placed is moved in sequential directions along a guide curved according to a predetermined curve. The fish was transferred intermittently while changing over, and when the fish stopped, the fish body was cut with a cutting blade so that the length and weight of the fillets were equal to each other.

[Problems to be Solved by the Invention] However, in these conventional cutting methods, the plate is intermittently transferred along a guide curved according to a predetermined curve, so the shape of the fish fillet is determined by the shape of the guide. However, the shapes of fish bodies vary, so cutting along a guide of a fixed shape may not have been possible.
There was a problem in that the sizes of the fillets were not necessarily the same, and in order to make them the same, the curve of the guide had to be changed.

Therefore, the present invention aims to solve the above problems,
To provide a new method for cutting fish bodies that can easily cut fish bodies of various shapes into fillets of substantially uniform size.

[Means for Solving Problem 1] In order to achieve the above object, the present invention takes the following method to solve the problem. That is, while feeding the fish body intermittently in the longitudinal direction, the fish body is largely rotated on the thick side of the fish body around a center line parallel to the feeding direction, and the fish body is rotated largely around a center line parallel to the feeding direction. This method is characterized in that the fish body is cut by moving a cutting blade within an inclined plane tilted at a predetermined angle around a center line that intersects with the fish body, thereby obtaining fillets of approximately uniform size.

[Function] In the fish body cutting method of the above method, when cutting the fish body, the thick part side is largely rotated around a center line parallel to the feeding direction, and the center line that intersects with the feeding direction is Around the line 1
The cutting blade is moved within a rotated inclined plane of a predetermined angle to cut the fish body and obtain fillets.

Therefore, the cutting length becomes longer on the thicker side of the fish body, and the size of the fillet becomes approximately uniform.

〔Example] Embodiments of the present invention will be described in detail below based on the drawings.

FIG. 1 is a schematic diagram of a fish body cutting device to which a fish body cutting method according to an embodiment of the present invention is applied. 1 is a fish whose head and tail have been cut off and cut into half. This fish body 1 is placed on a mounting table 2, and the mounting table 2 is supported so as to be rotatable in the directions of arrows A and B in the figure around a rotation center line 4 that includes a ridgeline at one end. A large gear 6 is fixed integrally coaxially with the rotation center line 4. A small gear 10 fixed to the rotating shaft of the motor 8 is meshed with the large gear 6, and an encoder 12 that detects the amount of rotation of the rotating shaft of the motor 8 is integrally attached to the rear of the motor 8. It is being

A feed bar 14 extending in a direction perpendicular to the rotation center line 4 is arranged on the mounting table 2 so as to be movable in the rotation center line 4 direction. A chain 16 is attached to the end of this feed bar 14.
are engaged, and the chain 1G is stretched between two sprockets 18 (only one is shown). One Subro gunt 18 is fitted onto the rotating shaft of the motor 20, and an encoder 22 that detects the amount of rotation of the rotating shaft of the motor 20 is integrally attached to the rear of the motor 20.

On the other hand, a gate-shaped frame 26 is disposed on the edge of a swing center line 24 that intersects with the swing center line 4 and is supported so as to be swingable in the directions of arrows C and D in the figure. A large gear 28 is integrally attached coaxially with the swing center line 24 of the gate-shaped frame 2G, and a small gear 32 fixed to the rotating shaft of a motor 30 is meshed with this large gear 28. ing. An encoder 34 that detects the amount of rotation of the rotating shaft of the motor 30 is integrally attached to the rear part of the motor 30.

Further, the gate-shaped frame 26 includes a disc-shaped cutting blade 36.
is rotatably supported in the direction of arrow E in the figure, and is supported so as to be movable in the direction of arrow F in the figure. This cutting blade 3G is configured to be rotated and moved by a motor 38 attached to the concave frame 26. An encoder 40 that detects the amount of rotation of the rotating shaft of the motor 38 is integrally attached to the rear of the motor 38 .

Next, the operation of the fish body cutting HB of this embodiment will be explained together with the fish body cutting method.

First, the fish 1 is placed on the mounting table 2 with the longitudinal direction of the fish 1 facing the rotation center line 4 direction of the mounting table 2 and with the head side of the fish 1 facing the feed bar 14 side. placed. Further, the motor 8 is rotationally driven, and the small gear 10 and the large gear 6 are rotated.
, the mounting table 2 is rotated twice around the rotation center line 4 in the direction of arrow B, and is rotated until the encoder 12 detects that the predetermined angle has been reached. As a result, the entire fish body 1 is rotated around the rotation center line 4 at a predetermined angle.

On the other hand, the motor 30 is rotationally driven to swing the portal frame 26 around the swing center line 24 in the direction of arrow C or D via the small gear 32 and the large gear 2, and the encoder 3
4 until a predetermined tilt angle is detected. As a result, the cutting blade 36 moves within the slope Z having the predetermined slope angle.

Next, the motor 20 is driven to rotate, and the Subrokent 1B
, the feed bar 14 is moved along the rotation center line 4 on the mounting table 2 via the chain 1G.

As a result, the feed bar 14 is processed and the fish body 1
mosquito? i It is fed in the four directions of the moving center line of the mounting table 2.

When the rotation amount of the motor 20 is detected by the encoder 22 and the corresponding movement amount of the feed bar 14 reaches a predetermined amount, the rotation of the motor 20 is stopped and the fish 1 are fed intermittently.

The cutting blade 3G, which is rotationally driven by the motor 38, is rotated in the direction of the arrow E and moved in the direction of the arrow F, and the tail side of the fish 1 is : Cut as shown by the dotted chain line.

When the cutting is completed, the motor 8 is driven to rotate, and the mounting table 2 is rotated around the rotation center line 4 in the direction indicated by the arrow, so that the angle of the mounting table 2 is slightly reduced. Next, the motor 20 is driven to rotate and the feed bar 14 is moved by a predetermined amount along the rotation center line 1 to intermittently feed the fish 1. Then, the cutting blade 36, which is rotationally driven by the motor 38, moves within the inclined surface Z and cuts the fish body 1 as shown by the dotted chain line.

In this way, the above-mentioned operation is repeated and the fish body 1
Rotation center line 4: Every time the
The angle is gradually reduced, and the angle is large according to the pressure law of fish body 1, and as it goes toward the head of fish body 1, the angle is decreased and fish body 1 is cut one after another. Ru. By rotating and cutting the fish body 1 around the rotation center line 4, the cut length becomes longer in the thick portion HBg of the fish 1$1, and the cut length becomes shorter on the head side of the fish body 1. In addition, when the shape of the half-fish body 1 is the shape of the opposite hand (this is,
It is preferable to provide the rotation center line 4 on the opposite side of the mounting table 2 so that the mounting table 2 can be rotated in the opposite direction.

As mentioned above, in the fish body cutting method of the wooden embodiment, the fish body is largely rotated on the tail side around the rotation center line 4 parallel to the feeding direction, and the pivot center line 4 that is parallel to the feeding direction is The cutting blade 3G is moved at a predetermined angle (within the middle ear surface Z) tilted around the line 24 to cut the fish body 1 to obtain a fillet.

Therefore, each fillet of the cut fish body 1 has a radius a1 to a5 and a fillet length b, as shown in FIG.
1 to b5 are approximately equal. Therefore, the width a of this fillet
The size (aXb) obtained by multiplying by the length b becomes approximately uniform, and the apparent size of the fillet after cutting 1 dollar of fish becomes approximately uniform. In this way, the fish body 1 is rotated around the rotation center line 4.
By rotating the fillets, the apparent size of the fillets can be made almost uniform. In addition, when the shape of the fish body 1 changes, the cutting length can be adjusted according to the shape of the fish body 1 by simply changing the rotation angle around the rotation center line 4. Depending on the shape, the apparent size of the fillet can be made almost uniform.

Next, the fish body cutting i of the second embodiment to which the wooden fish body cutting method is applied is explained.
! The f device will be explained with reference to FIG.

The mounting table 52 on which the fish body 1 is placed has a horizontal flat surface H354 at its central portion, and both ends on the side of the cutting blade 36 are raised to form inclined portions 56 and 58. Further, the inclined portions 56 and 58 are configured so that the angle of the middle ear can be changed by a motor or cylinder (not shown).

In addition, the size of the inclined portions 56 and 58 to be lifted, that is, the size of the triangular surface (100), can be changed so that it can be configured to correspond to the size of various fish bodies, etc. The fish body 1 is intermittently fed in the direction of arrow G by this feed bar 60 having a notch corresponding to the middle ear part 56,58. The tail side of the fish body 1 is connected to the inclined part 5G or 58.
Then, place the head side on the flat part 54.

The fish body 1 is intermittently fed by a feeding bar 60, and the fish body 1 is cut into fillets. As a result, only the tail side of the fish body 1 is rotated around the center line parallel to the feeding direction of the arrow G, and is cut as shown by the dashed dotted line. The reason why only the tail side of the fish body 1 is cut while being rotated is because the shape of the fish body 1 is thicker and wider on the head side. However, as it gets closer to the tail, the thickness becomes thinner and the radius becomes narrower, so by cutting only the tail while rotating, it is possible to cut fillets of approximately uniform apparent size with a simple configuration. You can get the equipment you can get. Incidentally, when the shape of the half-fish It 1 is on the opposite side, it is sufficient to place the pressure part on the other inclined part 58.

This simplifies the configuration of the mounting table 2, and in order to make the apparent size of the fillets almost uniform, only the pressure part of the fish body 1 that is particularly necessary is rotated at a predetermined angle at the cutting position. This allows you to obtain fillets with approximately uniform apparent size.

It should be noted that the present invention is not equally limited to such embodiments, and may be implemented in various forms without departing from the gist of the present invention.

[Effects of the Invention] As described in detail above, the fish body cutting method of the present invention has the fish body in a state where the tail side is largely rotated around a center line parallel to the feeding direction, and the fish body is cut by a cutting blade that moves within an inclined plane. Since it is cut, it is possible to obtain fillets with approximately uniform apparent size, and even with fish bodies of various shapes, it is possible to easily obtain fillets by changing the rotation angle around the center line parallel to the feeding direction. This has the effect of making it possible to obtain fillets with approximately uniform apparent size.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram of a fish cutting device to which the fish cutting method of the present invention is applied, Fig. 2 is an explanatory diagram of a fish fillet cut by the fish cutting method of the present invention, and Fig. 3 is a second embodiment of the present invention. 2 is a schematic configuration diagram of a fish body cutting device as shown in FIG. 1... Fish body 4... Rotation center line 24... Rocking center line 36... Cutting blade

Claims (1)

[Claims] While feeding the fish body intermittently in the longitudinal direction, the fish body is largely rotated on the tail side of the fish body around a center line parallel to the feeding direction, and the fish body is rotated largely around a center line parallel to the feeding direction, and the fish body is rotated largely around a center line parallel to the feeding direction. A method for cutting a fish body, characterized in that the fish body is cut by moving a cutting blade within an inclined plane tilted at a predetermined angle around a line to obtain fillets of substantially uniform size.