JPS60244253A - Apparatus for taking out ovary of fish - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (Field of invention) This invention relates to a fish ovary removal device.

(Description of Prior Art) A conventional apparatus for extracting ovaries from fish, such as cod, will be described with reference to FIGS. 1 to 3. FIG. 1 shows a side view of the ovary extraction device, and FIG. 2 shows a front view of the main parts thereof.

As shown in FIG.
and the driven pulley 3, it travels in the direction of the arrow in FIG. 1 along the top side running track 4 and the bottom running track 5. As shown in FIG. 2, this running belt 1 is composed of two belts 1a and 1b that run parallel to each other, and the tail of the fish 6 is held between the belts 1a and 1b. There is. A sliding plate 7 for adjusting the attitude of the fish body 6 is provided from the periphery of the drive pulley 2 to the lower part of the lower traveling track 5. Further, an ovary extraction section 8 is provided below the 1; side traveling track 5. As shown in FIGS. 1 and 2, for example, this egg removal section 8 has a shaft 11 that is displaceable in the longitudinal direction of the slit 10 in a slit 10 of a support 9 provided on both left and right sides of the fish body passage. A suppression plate 12 is provided on the shaft 11 to support the shaft so that it does not rotate.

Both ends of the shaft 11 are urged in the direction F by a spring 13, and are appropriately displaced depending on the size and hardness of the fish body 6. A pair of left and right guides 14 are provided at positions closer to the running belt 1 than the pressing plate 12, if necessary, for preventing the fish body 6 from escaping upward. A chute 16 for receiving the ovary 15 is provided below the ovary removal section 8.

Next, the operation of this device will be explained.

The fish body 6 from which the head has been removed is held by the tail part on the upper running track 1, passes the drive pulley 2, and moves to the lower running track 5.
Then, the posture of the fish body 6 is adjusted by the sliding plate 7 so that the tail is in front of the head, and then the fish body 6 reaches the ovary extraction part 8. Here, the tip of the suppression plate 12 touches a part of the fish belly near the tail, and as the running belt 1 runs, the ovary 15
is pushed out from deep within the abdomen. At this time, the guide 14 is pressing the back part of the fish body 6, so the fish body (3) does not escape downward.The ovary 15 is pushed out and taken out onto the chute 16. The fish body 6 after being removed is transferred to the latter half of the lower running track 5,
There, the hold on the tail is released and it falls downward.

However, when this device is used, since the pelvic fin 17 of the fish 6 and the body around it are hard, the tip of the suppression plate 12- gets caught on the pelvic fin 17 as shown in FIG. There is a problem in that the fish body 6 may stagnate in that position due to slipping between the fish body and the tail, and this stagnation prevents smooth removal of the ovary 15. In order to prevent slipping between the tail part of the fish body 6 and the tail part of the fish body 6, it is necessary to
It would be better if the pressure on the tail of the fish 6 was increased or a large number of pins were protruded from the opposing surfaces (clamping surfaces) of the belts 1a, lb to force the bottle into the tail of the fish 6. If this is done, the problem arises that when the tip of the pressing plate 12 gets caught on the pelvic fin 17, the tail of the fish body 6 is pulled off, which also prevents smooth removal of the ovary 15.

A3: There is also a conventional device using an extruded egg plate instead of the press plate 12, but the same problem as in the case of using the press plate 12 described in -F occurs.

(Object of the Invention) The object of the present invention is to provide a fish ovary removal device "7" that allows smooth removal of ovaries.

(Description of Embodiments) The fish ovary removal device of the present invention has both pieces protruding from both sides of the rotating shaft at a predetermined opening angle with the rotating shaft interposed therebetween, and the distance between the tips of the both pieces being set in the fish body. an abdominal pressing body set to a size that allows the abdominal fin to be inserted in the longitudinal direction; a predetermined conveyance track 4 perpendicular to the rotational axis at a certain distance or at a prominent position from the rotational axis; a transport means for transporting the fish body by holding the tail part of the LC fish body and transporting the fish body in a posture such that the tail side is the head side and the belly is facing the abdominal suppressor body; and a spring member configured to rotate and bias the abdomen presser in a direction to press the abdomen of a fish traveling on a trajectory of the means from the tail toward the head, and one side piece of the abdomen presser presses the abdomen of the fish body from the tail toward the head. It rotates when pushed by the fin so that the other side of the abdominal presser bites into the vicinity of the anus of the fish.

An embodiment of the present invention will be explained using FIGS. 41 to 10. That is, in this embodiment, instead of the ovary extraction section 8 having the flat pressing plate 12 shown in FIG. 1, side pieces 18a and 1 are provided as shown in FIGS. 4 and 5.
Ovary extraction part 19 with suppression plate 18 with 8b
Use. This pressing plate 18 has both side pieces 18a.
, 18b are made to protrude at a predetermined opening angle on both sides of the rotating shaft 20 with the rotating shaft 20 in between. This both side pieces 18a,
The opening angle of the opening 18b is not particularly limited. For example, as shown in the drawing, the opening angle may be set at a right angle so that the cross section of the pressing plate 18 is L-shaped (or the opening angle may be set at an acute angle or an obtuse angle. The pressing plate 18 may have a V-shaped cross section.Also, the distance between the tips of the side pieces 18a, 18b is set slightly smaller than the length of the pelvic fin 17 of the fish body 6, so that the side pieces 18a, 18b The pressure plate 18 is configured so that the pelvic fin 17 can be inserted in the longitudinal direction between the two. For example, the slits 22 of the pillars 21 provided on both left and right sides of the
, the longitudinal direction and the vertical direction of the slit 22), and the rotating shaft itself is mounted so as to be rotatable around the axis. Further, if necessary, both ends of the rotating shaft 20 are urged upward by the spring 23 so that the pressing plate 18 can adjust the size of the fish body 6.

The structure is such that the abdomen of the fish body 6 is pushed upward with an appropriate force depending on its hardness and softness. Furthermore, the other side piece 1 of the suppression plate 18
A square spring 24 is attached to 8b to urge the suppression plate 1B to rotate in the direction of the arrow in FIG. 5 about the rotating shaft 20 as a fulcrum. In addition, when the fish body 6 is not carried into the ovary extraction section 19, the rotation of the pressing plate 18 in the direction of the arrow is performed so that the pressing plate 18 maintains the posture shown in FIG.
This is regulated by a stopper (not shown). The rest of the structure is the same as that of the conventional example, so the same parts are given the same reference numerals and the explanation thereof will be omitted.

Next, the operation of this device will be explained.

As shown in FIG. 5, the fish body 6 whose tail is held between the running belts 1 is adjusted in position by the sliding plate 7 so that the pressure side is in front of the head side, and then transported to the ovary removal section 19. When this happens, first, the pelvic fin 17 of the fish 6 gets caught on the tip of the one side piece 18a of the pressing plate 18 (the state shown in FIG. 5). In this case, since the pelvic fin 17 and the body in the vicinity of the fish 6 are hard, as the fish 6 is transported in the direction of arrow B by the running belt 1, the pelvic fin 17 is on one side as shown in FIG. Press the piece 18a to release the pressing plate 18.
rotates in the direction of arrow C about the rotating shaft 20 as a fulcrum, and after the pelvic fin 17 fits between the two side pieces 18a and 18b, the tip of the other side piece 18b touches the pelvic fin 17 as shown in FIG. It will bite into the soft part located at the back of the ovary 15 near the anus 25 located in front of the ovary 15. in this case,
Since the back of the fish body 6 is pushed by the pair of left and right guides 14, the fish body 6 does not fall upward.

Thereafter, as the fish body 6 continues to be transferred in the direction of arrow B, the pelvic fin 17 passes through the tip of the one side piece 18a as shown in FIG.
When the catch is released, the suppression plate 18
Due to the biasing force of the spring 24, the rotation axis 20 is rotated as a fulcrum in the order shown in FIGS.
8b pushes the abdomen of the fish body 6 from the tail to the head side and releases the ovary 1.
5 will be pushed out from the protrusion of the abdomen. In this case, since the abdomen of the fish body 6 is pushed twice by the other side piece 18b and the other side piece 18a, the ovary 1 is pushed by the first press by the other side piece 18b.
Even if 5 is not pushed out sufficiently, - side piece 18a
The second suppression by means of this ensures that the ovary 15 is pushed out. The ovary 15 thus pushed out falls onto the chute 16. Further, the fish body 6 from which the ovary 15 has been removed is transferred in the direction of arrow B in FIG. 10 and subjected to the following processing.

In this way, the pelvic fin 17 is attached to one side piece 1 of the pressing plate 18.
When caught by the fish 8a, the suppression plate 18 rotates around the rotating shaft 20, so that there is no possibility that the running of the fish 6 stops midway or that the tail part of the fish 6 is flailed as in the conventional case.

Also, due to the rotation of the pressing plate 18, the other side 18b
presses into the abdomen near the anus 25, and then the pressure brakes 1 to 18 return to rotation due to the action of the spring 24 and press the ovary 15.
Since the ovary 15 is pushed out, it can be reliably removed without damaging the ovary 15. In this way, the ovary 15 can be reliably removed without stalling the removal operation (without slowing down or damaging the ovary 15).

(Effects of the Invention) As explained above, according to the fish ovary removal device according to the present invention, it is possible to smoothly perform the ovary removal work without stagnation.

[Brief explanation of the drawing]

Fig. 1 is a side view of a conventional ovary retrieval device, Fig. 2 is a sectional view of its main parts from the front, Fig. 3 is a side view showing the state in which the suppression plate is caught on the pelvic fin, and Fig. 4 is FIGS. 5 to 10 are side views for explaining the functions of this embodiment. 1... Running belt, 6... Fish body, 15... Ovary,
17... Pelvic fin 1.18... Pressing plate, 18a
...-side piece, 18b...other side piece, 20...rotating shaft, -2/l...spring, 25...anal agent Patent attorney Keiji Yamamoto, patent attorney Shigeaki Yoshida, member Migita Hiro figure 4

Claims (1)

[Scope of Claims] Both side pieces are protruded at a predetermined opening angle on both sides of the rotation axis with the rotation axis in between, and the distance between the tips of the both side pieces allows the pelvic fin of the fish to be inserted in the longitudinal direction. The device has an abdominal pressing body set to a certain size, and a predetermined transport trajectory perpendicular to the rotation axis at a position a certain distance away from the rotation axis, and holds the tail of the fish body from which the head has been removed. a conveying means for conveying and covering a fish body in a posture such that the tail side is in front of the head side and the abdomen faces the abdomen presser; Rotate the abdominal presser in the direction of pressing from the tail toward the head (
A device for removing ovaries from a fish, comprising a spring member which is biased, and one side of the abdominal presser is pressed against the pelvic fin of the fish and rotated so that the loose side of the abdominal presser bites into the vicinity of the anus of the fish. .