JPH0732668B2 - Fish processing machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to a fish processing machine for cutting the abdomen of a fish body to remove internal organs, ribs and the like in the abdominal cavity.

2. Description of the Related Art A typical prior art is disclosed, for example, in JP-A-63-141540 (Japanese Patent Publication No. 3-20215). In this prior art, when the abdomen-opening fish body is conveyed to the scraping member by the abdomen pressing guide rollers arranged on both sides of the scraping portion of the scraping member as the processing member, The resistance of the removing member prevents the abdomen of the fish body from escaping.

However, in such a prior art, the outer peripheral surface of the guide roller abutting on the outer surface of the abdomen of the fish body,
Since it cannot be deformed in accordance with the thickness of the abdominal skin of the fish body, when the thickness of the back portion of the fish body increases, the abdomen pressing guide roller along with the conveyor belt and its belt guide roller are separated from each other. Will be displaced. Further, when the abdominal skin is thinned, the conveyor belts and the belt guide rollers cannot be displaced in a direction in which they approach each other beyond the thickness of the back of the fish body, so that the outer surface of the abdomen is entirely covered. There is a problem that it is not possible to press uniformly across the skin, which causes a portion where the inner surface of the abdominal cavity cannot come into contact with the scraping member, and the internal organs or black skin cannot be reliably removed. .

Accordingly, the object of the present invention is to provide a treatment operation for surely removing the internal organs and the black skin by contacting the treatment member such as the scraping member over the entire surface in the abdominal cavity. It is an object of the present invention to provide a fish processing machine that can be reliably performed.

Means for Solving the Problems The present invention is directed to a pair of conveyor belts that sandwich a fish body from both sides in the thickness direction and convey the fish body in the conveyance direction, and the abdomen of the fish body that is conveyed by each conveyance belt. An abdominal cutting blade for cutting in a direction, provided on the downstream side of the abdominal cutting blade in the transport direction, and rotationally driven so that the rotation direction of the insertion portion in the abdominal cavity is opposite to the transport direction, In a fish processing machine provided with a scraping roller for removing internal organs, on both sides of the scraping roller, an upper end is rotatably supported around a vertical rotation axis,
And a pair of rotating shafts that are biased by springs in a direction in which they approach each other, a pair of belt guide rollers that are coaxially provided at the lower ends of the rotating shafts, and that each conveyor belt fits into, and a pair of belt guide rollers. A pair of side pressure rollers that are provided coaxially under the rollers and that contact the abdominal skin of the fish sandwiched between the pair of conveyor belts from both sides are provided, and each side pressure roller is a pair of belt guide rollers. A metal roller body that is coaxially connected to each other, and a cover body that is fitted to the roller body, is made of a flexible and elastic material, and has a tapered outer peripheral surface that is a truncated cone. It is a fish body processing machine characterized by including.

Action According to the present invention, the fish body is sandwiched by the pair of transport rollers from both sides in the thickness direction and is transported in the transport direction. The abdomen of the fish body conveyed by each conveyor belt is cut head-to-tail by the abdomen cutting blade, and then a scraping roller is fitted into the abdominal cavity of the fish body to scrape off internal organs and the like. . On both sides of such a scraping roller, a pair of belt guide rollers into which the respective conveyor belts are fitted and side pressure rollers are provided coaxially below the respective belt guide rollers, and each side pressure roller is made of metal. A roller body and a cover body made of a flexible and elastic material,
The outer peripheral surface of the cover body is formed in a truncated cone shape that is tapered toward the lower side. By providing such a cover body, even if the respective conveyor belts and the respective belt guide rollers are displaced in the direction in which they approach or separate from each other in accordance with the thickness of the fish body, the respective cover bodies will not stick to the abdominal skin of the fish body. Accordingly, it is elastically deformed and brought into a state of constant contact, and the inner surface of the abdominal cavity is evenly contacted with the scraping roller, whereby the internal organs and black skin in the abdominal cavity can be reliably removed.

First Embodiment FIG. 1 is a system diagram showing a simplified overall configuration of an embodiment of the present invention. Note that the front side conveyor belt is omitted in FIG. An endless conveyor belt 3 is wound around and stretched around a starting end side pulley 1 and an ending end side pulley 2 which are driven to rotate around a vertical straight line. The conveyor belt 3 wound around the pair of pulleys 1 and 2 is also provided on the front side with respect to the paper surface of FIG.

The headless fish F fed from the starting end pulley 1 side between the respective conveyor belts 3 has the head side as the conveying direction A downstream side, the tail side as the conveying direction upstream side and the back side as upward, and the abdomen Fa. Is conveyed toward the downstream side of the conveyance direction A in a posture in which is downward. In this way, the fish body F, which is conveyed by the pair of conveyor belts 3 toward the downstream side in the conveying direction A, is rotationally driven around a horizontal axis of rotation that intersects vertically with respect to the conveying direction A, for abdomen cutting. The abdomen Fa is cut in the head-to-tail direction by the round blade 5.

As shown in FIG. 2, belt guide rollers 6a, 6b that are driven to rotate about a vertical axis are provided near the rotary blade 5 for cutting the abdomen. This belt guide roller 6
The conveyor belts 3a and 3b are fitted and supported on the a and 6b, respectively. The upper ends of the shafts 7a and 7b of the belt guide rollers 6a and 6b are rotatably supported by bearings 8a and 8b around vertical rotation axes, and the bearings 8a and 8b are supported by springs 9. Then, the springs are biased toward each other. As a result, the fish body F is elastically clamped from both sides by the stretched portions 3a1 and 3b1 of the conveyor belts 3a and 3b that are close to each other and face each other. Therefore, when the abdomen Fa is cut by the rotary abdominal cutting rotary blade 5, the fish F does not have to be displaced between the stretched portions 3a1 and 3b1, and the rotary agitator 5 ensures that the fish F is not displaced. Then, the abdomen Fa can be cut in the cranio-caudal direction. Further, even when the size or shape of the fish body F is different due to the above-mentioned stretched portions 3a1 and 3b1 being biased in the direction of approaching each other, the The stretched portions 3a1 and 3b1 can be reliably sandwiched.
In this way, the fish body F whose abdomen Fa has been cut by the abdomen cutting rotary blade 5 is transported to the downstream side in the transport direction A.

FIG. 3 is a sectional view taken along section line III-III in FIG. A gathering pulley 9 which is a scraping roller is provided in the vicinity of the downstream side of the rotary cutting blade 5 for cutting the abdomen in the transport direction A. This gating pulley 9 is fixed to a rotary shaft 11 that is driven to rotate about a horizontal rotary axis, and a direction B that opposes the carrying direction A in the moving path of the fish body F that is close between the carrying belts 3a and 3b. That is, the gating pulley 9 inserted into the abdominal cavity 18 is rotationally driven so that the rotating direction of the inserting portion is opposite to the conveying direction A.

On both sides of the gating pulley 10 in the rotation axis direction, a pair of side pressure rollers 1 are provided close to the conveyor belts 3a and 3b.
2a and 12b are provided. Each side pressure roller 12a, 12b is attached to the lower end of a rotary shaft 14a, 14b driven by each conveyor belt 3a, 3b and driven to rotate about a vertical rotation axis. Also, belt guide rollers 13 in which the respective conveyor belts 3a and 3b are fitted on the upper side in the vertical axis direction.
a and 13b are provided coaxially. The upper ends of the rotary shafts 14a, 14b are rotatably supported by bearings 15a, 15b about a vertical rotary axis. The bearings 15a and 15b are spring-biased by springs 16 in the direction of approaching each other. The side pressure roller 12
The a and 12b have frustoconical outer peripheral surfaces 17a and 17b. With the gating pulley 10 fitted in the abdominal cavity 18 of the fish body F, the abdominal skins Fb1 and Fb2 of the fish body F are extruded outward, so that the abdominal skins Fb1 and Fb2 are opened outward. I will try.
The outer side surfaces 19a, 19b are elastically urged in a direction in which the lower outer peripheral surfaces 17a, 17b of the side pressure rollers 12a, 12b are in close contact with each other while being in contact with each other. Therefore, abdominal skin Fb1,
The inner surface of the Fb2 can be brought into contact with the gating pulley 10 substantially evenly, and in this state, the gating pulley 10 is rotationally driven in the direction of arrow B, so that the internal organs in the abdominal cavity 18 are removed. Be scraped off.

FIG. 4 is an enlarged cross-sectional view of one side pressure roller 12a of the pair of side pressure rollers 12a and 12b and its vicinity. The side pressure roller 12 (subscripts a and b are omitted when generically referred to) includes a roller body 21 made of metal such as stainless steel or aluminum, and a cover body 22 fitted to the roller body 21. The cover body 22 is made of a flexible and elastic material such as foamed synthetic resin or soft rubber, and can be transformed into a shape corresponding to the shape of the outer side surface 19 of the fish body F. By providing such a cover body 22, even if the thickness of the abdominal skin Fb of the fish body F is different, the outer peripheral surface 17 of the roller 12 is arranged in the vertical direction in FIG. 4 in correspondence with the outer surface 19 of the fish body. It can be in a contacted state. Therefore, even when the gathering pulley 20 is inserted in the abdominal cavity 18, there is no risk that the abdominal skin Fb will unnecessarily spread to both sides, and the gathering pulley 10 can be securely attached to the inner surface of the abdominal cavity 18. The scraping operation can be performed in a state where the outer peripheral surfaces of the are in contact with each other. As a result, the internal organs and the black skin in the abdominal cavity 18 can be reliably removed. The fish body F from which the internal organs and the black skin have been removed in this way is conveyed by the conveyor belts 3a, 3b.
It is conveyed to the downstream side in the conveying direction A while being sandwiched between the inside bones, and the inside bones are removed by the scraping member 25 for removing the inside bones, which is arranged close to the downstream side in the conveying direction A of the gating pulley 10.
Fc is removed.

5 is a sectional view taken along section line V-V in FIG. 1, and FIG. 6 is a sectional view taken along section line VI-VI in FIG. In addition, in FIG. 6, rotary round blades 26a, 26 for removing inner bones
b is omitted. The fish body F that has been conveyed downstream in the conveyance direction A while being sandwiched between the conveyance belts 3a and 3b.
Is a rotary round blade 26a, 26b for removing the middle bone between the guide rollers 27a, 27b.
Therefore, the middle bone Fc and the rib Fd are cut out from the abdominal cavity.

The rotation axes of the rotary blades 26a, 26b form an angle θ1 with each other, and the blade tips of the rotary blades 26a, 26b are closer to the transportation path of the fish F,
That is, they are inclined so as to come closer to each other as they go upward in FIG. The guide rollers 27a, 27b are fixed to the axially lower ends of rotary shafts 28a, 28b rotatable about a vertical rotary axis, and the upper ends of the rotary shafts 28a, 28b are supported by bearings 29a, 29b. It is rotatably supported around each rotation axis. The bearings 29a, 29b are spring biased by springs 30 in the direction toward each other, whereby the guide rollers
The springs 27a and 27b are biased toward each other to bias the stretched portions 3a1 and 3a2 arranged inside the transport belts 3a and 3b toward each other.

Below the guide rollers 27a, 27b, the pressing rods 31a, 3
1b; 32a, 32b; 33a, 33b are provided in pairs. Fish body F
Push rods 31a, 32a, which are arranged on one side with respect to the transport path of
The shaft 33a is axially supported by a shaft bar 34a having a vertical axis at intervals in the vertical direction, and the base end of the shaft bar 34a is fixed to a fixed position such as a machine body of the apparatus. The pressing rods 31a to 33a pivotally supported by the shaft rod 34a can be angularly displaced around the axis of the shaft rod 34a. Each of the pressing rods 31a to 33a has a pressing portion 35a to 37a that is smoothly curved inward toward the downstream side in the transport direction A of the fish body F, and is opposite to the pressing portions 35a to 37a with respect to the shaft rod 34a. One ends of the tension springs 38a to 40a are respectively locked to the ends of the. The other ends of the tension springs 38a to 40a are respectively locked to the machine body of the device. Similarly, the other tension springs 38b to 40b are also locked to the pressing rods 31b to 33b, and the pressing portions 3 of the pressing rods 31a to 33b; 31b to 33b are also pressed.
The springs 5a to 37a and 35b to 37b are biased toward each other. These pressing portions 35a to 37a; 35b to 37b press the abdomen Fb of the fish body F protruding downward from the respective conveyor belts 3a and 3b to prevent the fish F from spreading outward.

The scraping member 25 is disposed in the vicinity of the downstream side in the transport direction A of the closest portion P of the rotary bone cutting blades 26a, 26b. The cross section of the scraping member 25 in the vicinity of the tip of the scraping member 25, which is perpendicular to the axis perpendicular to the conveying direction A, is formed in a substantially inverted V shape, and is cut off near the tip P of the rotary round blades 26a, 26b. The bone Fc and the ribs Fd are scraped by the transportation of the fish body F to the downstream side in the transportation direction A. At this time, the abdominal skins Fb of the fish body F are pressed by the pressing portion 35 of the shaft rod 34 in the directions in which they approach each other, so that the abdominal skins Fb1 and Fb2 are on both side plates 41 of the scraping member 25.
It is in a state of being elastically pressed by the a and 41b, whereby the mid-bone Fc and rib Fd cut by the rotary round blades 26a and 26b are reliably scraped off as described above. It should be noted that above the scraping member 25, that is, above FIG. 5, there is provided a pressing means realized by a roller or the like that elastically presses the back of the fish body F downward. Cage,
The floating of the fish body is prevented during cutting by the rotary round blades 26a, 26b and during the scraping operation by the scraping member 25.

As described above, the abdominal part cutting rotary blade 5 as the processing member, the gating pulley 10, the mid-bone removing rotary blades 26a, 26
b and the side of the scraping member 25 in close proximity to the side pressure roller 6
a, 6b, 12a, 12b, 31a to 33a; 31b to 33b are provided, and the outer surfaces 19a and 19b of the fish body F are elastically pressed in the directions in which they approach each other, so that the fish body F is conveyed to the conveyor belts 3a and 3b. Even if the abdominal skins Fb1 and Fb2 are sandwiched by the processing members, there is no fear that the abdominal skins Fb1 and Fb2 will open in the directions in which they separate from each other, and the fish body processing operation can be reliably performed by the processing member.

As another embodiment of the present invention, the side pressure rollers 6a, 6b; 12a,
Although the 12b and the pressing rods 31a to 33a; 31b to 33b are urged by springs in the directions in which they approach each other, only one of them is urged in the direction in which they approach the other with respect to the conveyance path of the fish body F. Alternatively, the structure may be fixedly provided at a fixed position.

EFFECTS OF THE INVENTION According to the present invention, a pair of belt guide rollers and a side pressure roller are provided on both sides of the scraping roller, and each side pressure roller is a cover made of a metal roller body made of a flexible and elastic material. The body is fitted and configured, and the outer peripheral surface of this cover body is
Since it is formed in the shape of a truncated cone that is tapered downward, the cover body is always brought into contact with the abdomen of the fish body regardless of the displacement of each of the conveyor belts and the belt guide rollers in the direction of approaching / separating from each other. The internal surface of the abdominal skin of the abdomen can be brought into close contact with the outer peripheral surface of the scraping roller, which ensures the internal organs and black skin of the abdominal cavity. It is possible to improve the processing quality of the fish body.

[Brief description of drawings]

1 is a simplified system diagram of an embodiment of the present invention, FIG. 2 is a sectional view taken along section line II-II of FIG. 1, and FIG. 3 is section line III- of FIG. Sectional view seen from III, FIG. 4 is an enlarged sectional view near one side pressure roller 12a, FIG.
The drawing is a sectional view taken along the section line V-V in FIG. 1, and FIG. 6 is the sectional view taken along the section line VI-VI in FIG. 3a, 3b ... conveyor belt, 5 ... rotary round blade for cutting abdomen, 6a, 6b, 1
2a, 12b ... Side pressure roller, 10 ... Gutting pulley, 17 ... Outer peripheral surface, 18 ... Abdominal surface, 19 ... Outer surface, 25 ... Scraping member for removing middle bones, 26a, 26b ... Rotary blade for removing middle bones, 31a ~ 33a; 31b ~ 33b
... Pressing rod, F ... Fish body, Fa ... Abdomen, Fb ... Abdomen, Fc ... Medium bone,
Fd ... ribs

Claims (1)

[Claims] 1. A pair of conveyor belts for sandwiching a fish body from both sides in the thickness direction and conveying the fish body in the conveying direction, and an abdomen cutting for cutting the abdomen of the fish body conveyed by the respective conveyor belts in a caudal-caudal direction. A blade, which is provided on the downstream side of the abdomen cutting blade in the transport direction, is rotationally driven so that the rotation direction of the insertion portion in the abdominal cavity is opposite to the transport direction, and scrapes to remove the internal organs in the abdominal cavity. In a fish processing machine provided with a roller, on both sides of the scraping roller, an upper end is rotatably supported around a vertical rotation axis,
And a pair of rotating shafts that are biased by springs in a direction in which they approach each other, a pair of belt guide rollers that are coaxially provided at the lower ends of the rotating shafts, and that each conveyor belt fits into, and a pair of belt guide rollers. A pair of side pressure rollers that are provided coaxially under the rollers and that contact the abdominal skin of the fish sandwiched between the pair of conveyor belts from both sides are provided, and each side pressure roller is a pair of belt guide rollers. A metal roller body that is coaxially connected to each other, and a cover body that is fitted to the roller body, is made of a flexible and elastic material, and has a tapered outer peripheral surface that is a truncated cone. A fish body processing machine comprising: