JPH0320217B2 - - Google Patents

Description

[Detailed description of the invention] Industrial applications TECHNICAL FIELD The present invention relates to a fish body blood and meat removal device.

Prior Art In many types of fish, there is an oily layer called subcutaneous fat on the inner side of the epidermis of the fish body, and further inside the oily layer is reddish meat called blood meat. . This blood meat rots more easily than normal meat, and it doesn't taste as good when eaten. Therefore, when using fish meat for fish paste products such as kamaboko, it has been conventional practice to remove this blood-combined meat. At the joint between the blood meat and normal meat, which occupies most of the fish body, there is a thin layer made of a different tissue from other parts, and the blood meat and normal meat can be easily separated.

FIG. 9 shows a conventional fish body blood and meat removal device 1.
FIG. The blood and meat removing device 1 is provided with a pair of pressing members 2 and 3 formed in the shape of rollers, and recesses 4 and 5 are formed on the outer peripheral surfaces of the pressing members 2 and 3 over the entire circumference. . The pressing members 2 and 3 are
The gears 6, 7, and 8 rotate the rotating shafts 9, 10 about their axes in opposite directions. The fish body 11 with its head and tail cut off is guided by a guide member (not shown) into the gap 12 formed in a substantially elliptical shape by the recesses 4 and 5, and is guided by the rotation of the pressing members 2 and 3. It gets pinched and pressed. Therefore, as shown in FIG. 10, the normal flesh part 13 of the fish body 11
is pushed outward.

Problems to be Solved by the Invention In the prior art as described above, since the fish body is sandwiched and pressed into the approximately elliptical gap, for example, in the case of a small fish body, the entire fish body may fit into the gap. I get tired. Therefore, the pressing member 2 has recesses 4 and 5 depending on the size of the fish body,
3 must be prepared, which increases costs.
In addition, when processing a fish body, it is necessary to change the pressure member to the most suitable one depending on the size of the fish body, resulting in a problem of poor workability.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and provide a fish blood and meat removing device that can reliably remove blood and meat from fish regardless of its size.

Means for Solving the Problems The present invention involves the use of a device for removing meat and blood by cutting open the abdomen in the longitudinal direction, transporting the fish with the head cut off, and removing the meat and blood. It has a clamping surface that has elasticity,
A pair of endless conveying bodies that convey the fish body along its longitudinal direction; and a pressing member that is provided along the conveying path and presses the respective clamping surfaces of the conveying bodies so that they approach or come into contact with each other. This is a device for removing meat and blood from a fish body.

A preferred embodiment is a fish blood and meat removing device characterized in that a means for cutting open the back of the fish is provided upstream of the pressing member with respect to the conveyance path.

Function According to the present invention, a fish body is conveyed while being held between a pair of endless belts having elastic holding surfaces, and a pressing member presses the holding surfaces of the belts in a direction in which they approach each other.

Embodiment FIG. 1 shows a blood and meat removing device 2 according to an embodiment of the present invention.
FIG. A pair of endless conveyor belts 2
1 and 22 are start end measuring pulleys 23 and 24, respectively.
It is wound around pulleys 25 and 26 on the terminal end side and stretched. The pulley 25 is rotationally driven by a driving means (not shown) in the direction indicated by arrow A1 in FIG.
Pulleys 25 and 26 each have a vertical axis. The pulley 26 is rotationally driven in the direction of arrow A2,
The conveyor belts 21 and 22 are made of elastic rubber or the like. Therefore, the clamping surfaces 44a and 44b of the belts 21 and 22 that clamp the fish body 27 are formed as clamping surfaces having elasticity, and the belts 21 and 22 run at the same speed. The fish body 27 is held between the conveyor belts 21 and 22, and the fish body 27 is held in the direction indicated by the arrow A3 in FIG.
conveyed in the direction.

The blood and meat removal device 20 includes, along the conveyance direction, a rotary round blade for cutting the back (hereinafter referred to as a back opening blade) 28, a plurality of sets of opposing roller devices 29,
30, and a plurality of sets of rotating brushes 31a, 31b which have brushes all around the outer circumferential surface and which face each other in the vertical direction.
are arranged in sequence. The back opening blade 28 is used to open the fish body 2.
It is provided to cut open the epidermis of the back of the patient 7, and has a rotation axis in a direction perpendicular to the conveyance direction.

FIG. 2 is an exploded perspective view of the roller device 29.
The roller device 29 includes a pressing roller 32, a connecting member 33, a supporting member 34, an engaging screw 35, and an adjusting portion 36. The pressing roller 32 is mounted so as to be angularly displaceable around the axis of a support shaft 33a extending vertically downward from near the end of the connecting member 33.
Further, the pressing roller 32 and the connecting member 33 are supported so as to be angularly displaceable around the axis of a support shaft 34a of a cylindrical support member 34. The engagement screw 35 is screwed into a screw hole 37 provided in the connecting member 33, and the engagement hole 38 on the free end side engages with a coil spring 39 as described later.

The adjustment section 36 includes an adjustment screw 40 and a fixing member 41, and adjusts the stopping position of the connecting member 33 and the pressing roller 32 in the angular displacement direction. The fixing member 41 includes a base 42 extending in the conveyance direction of the conveyor belts 21 and 22.
The fixing member 41 has an insertion hole 43.
will be provided. An internal thread is formed on the inner circumferential surface of the insertion hole 43, into which the adjustment screw 40 is screwed. The end 40a of the adjusting screw 40 in the spiral direction comes into contact with the free end side surface 33b of the connecting member 33. Therefore, the connecting member 33 and the pressing roller 32 are prevented from being displaced in the direction indicated by arrow A4 in FIG. Further, the stopping position can be adjusted by screwing the adjusting screw 40 forward or backward. The roller device 30 has the same configuration as the roller device 29, and corresponding members are given the subscript a. The blood and meat removal operation of the blood and meat removing device 20 having the above configuration will be described below.

FIG. 3 is a sectional view taken along the section line in FIG. 1 with the fish body 27 held between them, and FIG. 4 is a sectional view taken along the section line in FIG. 1 with the fish body 27 held between them.
FIG. 5 is a sectional view taken along the cutting plane line in FIG. 1 with a fish body 27 held between them. The fish body 27 has its head cut off and its abdomen cut open, and these operations are performed by other processing devices.

The fish body 27 is carried into the apparatus 20 with the directionality set in advance so that the back part is on the upper side and the abdomen is on the lower side. The fish body 27 that has been brought in is first
8, the epidermis 27a of the back is incised.

When the fish body 27 is further conveyed, the roller devices 29 and 30 are urged toward each other by a spring 39 via the elastic conveyor belts 21 and 22, as shown in FIG. Therefore, the fish body 27 is compressed in the left-right direction in FIG. As explained in the prior art section, the normal flesh part 27 of the fish body 27
The clamping surfaces 44 of the conveyor belts 21 and 22 are easily separated from the flesh and blood portion 27c and have elasticity.
a, 44b are pressed by the roller devices 29, 30, so that only the normal flesh portion 27b, which occupies most of the fish body 27, is pushed outward as shown in the fourth figure, and the skin 27a and blood-combined flesh 27c are pushed out. , bone 27
d remains between the clamping surfaces 44a and 44b.

Normal flesh part 2 pushed outward as described above
Since the ends of the brush 7b often remain connected to the skin 27a, the upper rotating brush 31a and the lower rotating brush 3 are removed as shown in FIG.
1b rotates in the directions of arrows A5 and A6, the normal flesh portion 27b moves along the conveyor belt 21,
It is rubbed off from the skin 27a which is being held between the skins 27a and 22, and is dispersed in the directions of arrows A7 and A8. The discrete normal meat portions 27b are stored in the saucer 48. The skin 27a, blood and flesh 27c, and bones 27d that are still being held between the conveyor belts 21 and 22 are placed on the holding surface 44.
The tray 4 is placed at the end position in the conveyance direction where a and 44b are separated.
It is discharged at 9. In this way, only the normal flesh portion 27b can be taken out from the fish body 27, and the intended purpose can be achieved.

FIG. 6 is a plan view of essential parts of a blood and meat removing device 50 according to a second embodiment of the present invention, and FIG. 7 is a sectional view taken along the section line BB in FIG. 6. The blood and flesh removing device 50 of this embodiment is basically the same as the blood and flesh removing device 20 of the first embodiment, and corresponding parts are given the same reference numerals.

The pressing rollers 32 and 32a of the present device 50 are connected by connecting members 51 and 52 along the fish transport direction (arrow B1 direction in FIG. 6).
Both ends 51a, 51b of 1, 52; 52a, 52
b is the fixing screw 54a, 5 on the base 53 of the device 50.
4b, 54c, and 54d.
The fish body 27 being conveyed by the conveyor belts 21 and 22 passes through the portions pressed by the pressure rollers 32 and 32a, so that the normal flesh part 27b is removed as in the first embodiment. being pushed towards The extruded normal meat part 27b is scraped off by the rotating brushes 31a and 31b and transported to another place by the receiving tray 48 for processing, and the outer skin 27
a, the blood and meat part 27c, and the bones 27d are transported to another location and processed.

FIG. 8 is a plan view of a fish processing device 61 including a blood and meat removing device 60 according to still another embodiment of the present invention. The fish body 27 is carried on a conveyor belt 62 whose conveyance surface is a horizontal plane, and is conveyed in the direction of arrow A10. In addition, the fish body 27 is cut in the head cutting device 63.
The head is cut by the rotary round blade 64 for cutting the head and falls into the chute 65. The fish body 27 that has fallen into the chute 65 is conveyed in the direction of arrow A11 while being held between conveyor belts 66 and 67 in an upright state with its abdomen facing downward and its back facing upward.

Thereafter, the abdomen of the fish body 27 is cut open by a rotary abdominal cutting blade 69 in the abdominal black skin removal device 68, and the internal organs and black skin are removed by the black skin removal pulley 70. Flesh and blood removal is performed by this method.

In the first and second embodiments described above, the conveyor belts 21 and 22 clamp and convey the fish body 27 in the vertical direction, but this is only an example of the present invention, and the conveyor belts 21 and 22 convey the fish body 27 in the horizontal direction. It goes without saying that the effects of the present invention can be achieved even if the method is adopted.

FIG. 9 shows still another embodiment of the blood and meat removing device 1.
00 is a simplified front view, and FIG.
FIG. 11 is a cross-sectional view taken along the section line XI-XI in FIG. 9 with a fish body 27 held between them, and FIG. 12 is a cross-sectional view with a fish body 27 held between them. FIG. 3 is a cross-sectional view taken along plane line XII-XII.

The configuration of this embodiment is similar to the previous embodiment, and only the differences will be described below.

In this embodiment, a plurality of clamping members 101a, 101b made of a soft synthetic resin material are fixed to a pair of conveyance chains 102a, 102b in place of the conveyor belts 21, 22 of the previous embodiment. The conveyor chains 102a and 102b each have a pair of sprockets 103 having horizontal axes.
a, 103b; suspended from 104a, 104b,
They are driven to travel at the same speed. Further, the holding surfaces 105a and 105b of the fish body 27 are pressed in a direction toward each other by the pressing means 106, and the fish body 27 is transported in a horizontal state.

For example, a large fish body 27 is transported, and the fish body 27
In the case where the frictional force between the conveyor belts 21 and 22 made of rubber is used in the above-described embodiment, there is a risk that the so-called shaky phenomenon may occur in which the running speeds differ intermittently when the frictional force between the conveyor belts 21 and 22 made of rubber is large. , in this embodiment, the conveyance chain 102
a, 102b, it is possible to smoothly move around the fish body while performing the blood and flesh removal operation without causing the above-mentioned sagging phenomenon.

In the present invention, the fish body 27 is
A locking protrusion or the like may be provided to securely hold the rotating brushes 31a, 31b.
It may be a pair.

Effects As described above, according to the present invention, the fish body is held between the conveyor belts having elastic holding surfaces, and the pressing member presses the holding surfaces in a direction in which they approach each other. Blood and meat can be reliably removed without being subject to any restrictions depending on the size of the blood, and the workability is greatly improved.

[Brief explanation of the drawing]

FIG. 1 shows a blood and meat removing device 2 according to an embodiment of the present invention.
0, FIG. 2 is an exploded perspective view of the roller device 29, FIG. 3 is a cross-sectional view of the fish body 27 as seen from the cutting plane line in FIG.
FIG. 5 is a sectional view taken from the cutting plane line in FIG. 1 with a fish body 27 held between them, and FIG. 6 is a sectional view taken from the cutting plane line in FIG. A plan view of essential parts of a blood and meat removing device 50 according to a second embodiment of the invention, FIG. 7 is a cross-sectional view taken from the section line BB in FIG. 6, and FIG. 8 is a plan view of a fish processing device 61. , FIG. 9 is a simplified front view of a blood and meat removing device 100 according to another embodiment, FIG. 10 is a partially enlarged view of FIG. 9, and FIG. 11 is a state in which a fish body 27 is clamped. Sectional view taken from section line XI-XI, 1st
Figure 2 shows the cutting plane line XII-XII with the fish body 27 held between the legs.
FIG. 13 is a sectional view of a conventional blood and meat removing device 1, and FIG. 14 is a sectional view of a main part of the blood and meat removing device 1 with a fish body 11 sandwiched therebetween. 20,50,60...blood and flesh removal device, 21,
22... Conveyor belt, 23, 24, 25, 26...
... Pulley, 27 ... Fish body, 28 ... Rotating round blade for back incision, 29, 30 ... Roller device, 31a, 3
1b... Rotating brush, 32, 32a... Pressing roller, 34... Supporting member, 35... Engaging screw, 3
3, 33a, 51, 52... Connection member.

Claims (1)

[Scope of Claims] 1. An apparatus for removing flesh and blood from a fish body by transporting the fish body with the abdomen cut open in the longitudinal direction and the head cut off. has a surface,
A pair of endless conveying bodies that convey the fish body along its longitudinal direction; and a pressing member that is provided along the conveying path and presses the respective clamping surfaces of the conveying bodies so that they approach or come into contact with each other. A device for removing meat and blood from a fish body. 2. An apparatus for removing meat and blood from a fish body, characterized in that a means for cutting open the back of the fish body is provided upstream of the pressing member with respect to the conveyance path.