JPH07102074B2 - Crab demolition equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing a crab shell.

[0002]

2. Description of the Related Art In a conventional crab demolition device, a gear having a claw that engages with the shell of a crab is provided in a crawling transport path transported by a transport means, and the claw of the gear is used as a crab shell. With the method of engaging and peeling the shell by the rotating force of the gear, both legs of the crab are held by the transporting means, a kerf of a predetermined depth is made on the abdominal surface with a cutter, and then the crab is placed at a position that prevents the crab from advancing. A method is known in which a separation member disposed at an angle with respect to the advancing direction of the claw is engaged with the cut groove to divide the crab into two at the cut groove and to separate the shell.

It is known that a crab which has been subjected to decapitation is connected to the decapsulation device by means of an oil removing means for injecting water to remove the gills from the crab.

[0004]

However, in the method in which the claw of the gear is engaged with the shell of the crab to peel off the shell of the crab, the shell of the shell is damaged because the gear claw is directly hooked on the shell. The problem is that it loses its value. In addition, in the method using the separating member, since the joining force between the shell and the abdominal surface is different depending on the joining portion, the shell remains joined to one shoulder flesh divided by the separating member. There is a problem that peeling is not performed reliably.
In addition, there is a problem in that the gills removing means causes a large amount of sewage to be generated by spraying water so that the flesh is scattered with the gills from the abdominal cavity of the crab and filth is scattered around the device.

Therefore, the present invention solves these problems,
To provide a crab demolition device that keeps the crab shell in a good condition without damaging it and reliably separates the shell from the crab's abdominal surface, and also provides a means for removing gills that does not scatter filth around the device. With the goal.

According to the first aspect of the present invention, a pair of belt-shaped first conveying means arranged in parallel at a distance wider than the width of the body of the crab for conveying the crab, and a downstream side above the first conveying means. A plurality of rollers are wound in a substantially concave shape with a predetermined tension so as to surround a part of the edge from above and below, and are spaced at a position facing the first conveying means at a distance substantially equal to the above distance. A pair of belt-shaped second conveying means, which are arranged in parallel and hold the crab legs together with the first conveying means and invert the crab in the concave portion for conveyance, and a belt of the second conveying means, respectively .
The pressing member that presses the first conveying means side and the concave portion between the second conveying means are provided so as to engage the forehead region of the crab being conveyed from below and to separate the shell. A pair of third transports for holding the demolition means whose engaging portion is inclined with respect to the direction of the reversal and the crabs to be dechallenged, and transporting the crabs to a predetermined excavation position within the interval of the first transport means. And means.

According to a second aspect of the present invention, in the structure of the demolition apparatus according to the first aspect, the crab abdomen which is disposed between the first conveying means on the downstream side of the demolition means and has undergone the demolition treatment is disposed. The crab miso is scraped from the crab from which the vibration is applied to collect the crab miso and the second conveying means and which is arranged downstream of the vibration applying means.
It has an error removing means composed of a brush, and a cutting means arranged downstream of the error removing means between the second transfer means and for cutting the crab being transferred.

[0008]

The crab is placed with the shell on top and the forehead in the transport direction, with both legs on the first transport means and the body on the third transport means.
Both legs are held and transported from a predetermined position by the second transport means and the first transport means, and the shell is peeled off by the decapitulating means while being inverted. The crab from which the shell has been peeled off is vibrated by the vibration applying means, the crab miso is collected, the gills are scraped off, and the crab is cut into two.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. First, the crab will be described. (A) of FIG.
As shown in (b), the crab has eight walking legs 10, two scissors legs 11, a shell 12, a trailing edge 14, a forehead region 13,
It is formed by the side edge 15 and the abdominal surface 16 and the like. The shell 12 is formed of an outer skin that is harder than the outer skin of the walking leg 10, the abdominal surface 16 and the like, and is joined to the abdominal surface 16 having different hardness by the thin film of the side edge 15. The crab is covered by a hard, hard-crusted crust, and the edible part is inside the crust. Both the scissors leg 11 and the walking leg 10 are integrally formed on the abdominal surface 16. Life support organs and edible parts are accumulated inside the abdominal surface 16.
Therefore, the edible portion of the crab is collected by peeling off the shell 12. The reference numeral 18 indicates a protrusion of the forehead region 13.

1 to 5, a pair of first conveying means 1 are arranged side by side with an interval L that does not hinder the passage of the body of a crab, and have large diameter drive pulleys 1a and 1c and a driven pulley 1b. , 1d between the belts k
1 and k2. The interval L is set to be slightly wider than the width of the body of a crab having an average size to be subjected to decapitation. The drive pulleys 1a and 1c are fixed to the shaft C, respectively.

In FIG. 1, a motor 50 for driving the belts k1 and k2 is arranged on the lower right side of the first conveying means 1. The rotation of the motor 50 is performed by the motor 5 (see FIG. 2).
It is transmitted to the shaft A through the zero sprocket 51a, the chain 51c, and the sprocket 51b. A small diameter spur gear 52a is fixed to the shaft A, and the spur gear 52a meshes with a large diameter spur gear 52b fixed to the shaft B. Therefore, the axis B rotates in the opposite direction to the axis A at a low speed. A sprocket 53a is fixed to one end of the shaft B,
The driving force of the motor 50 transmitted to the shaft B is transmitted to the shaft C via the sprocket 53a, the chain 53c, and the sprocket 54a, and the large-diameter drive pulleys 1a and 1b fixed to the shaft C are rotationally driven. The belts k1 and k2 are each rotated in the arrow X direction. In FIG. 2, the belt k
Illustration of 1, k2, k3, and k4 is omitted.

Next, the second conveying means 2 will be described.
The second transport means 2 is a drive pulley 1a of the first transport means 1,
The belt k3 wound around the driven pulleys 2a and 2c, the tension rollers 2b and 2d, the driven pulleys 3b and 3d, and the drive pulleys 3a and 3c in a substantially concave shape so as to surround and surround 1c. , K4, the first
The first transporting means 1 and the first transporting means 1 are arranged in parallel with each other at a position facing the transporting means 1 at a distance substantially equal to the distance L of the first transporting means 1. Second transport means 2
Holds the crab's foot together with the first transfer means 1 and
The crab is inverted around the drive pulleys 1a and 1c and hereinafter referred to as a recess o to be conveyed.

As shown in FIG. 1, each of the bearings 12 of the tension rollers 2b and 2d is urged by a spring 13, and the belt k is urged by the urging force of the spring 13.
3 and k4 are tensioned with a predetermined tension. Driven pulley 2a,
2c is arranged on the entrance side with a distance Y wider than the thickness of the crab's leg 10 to facilitate the entry of the leg 10.

A pressing member 6 for pressing the belts k3 and k4 running on the lower surface further downward is arranged in the hollow portion on the downstream side with respect to the crab conveying direction of the driven rollers 2a and 2c of the second conveying means 2. Has been done. The pressing member 6 includes belts k3, k
A roller 7 for reducing frictional resistance is provided on the surface in contact with 4, and the roller 7 can be moved up and down about a fulcrum 8. A pressing spring 9 presses the belts k3 and k4 downward with a constant pressure.

A plurality of pressing members 6 for pressing the belts k1 and k2 further downward are arranged in the hollow portion on the downstream side in the crab conveying direction of the drive rollers 1a and 1c of the first conveying means 1. .

The belts k3 and k4 of the second conveying means 2 are the first
On the upper side of the conveying means 1, the pressing members 6 press the belts k1 and k2 of the first conveying means 1 respectively, and further, on the downstream side of the recess o, the belts k1 and k2 of the first conveying means 1 are The pressing members 6 press the belts k3 and k4 of the second conveying means 2 respectively. Therefore, the crab's leg 10 has the belts k1, k3.
Further, the pressing member 6 is sandwiched and conveyed between the belts k2 and k4.

As shown in FIGS. 1 and 2, the driving force of the motor 50 input to the shaft A is further transmitted to the sprocket 55b via the sprocket 55a fixed to the end of the shaft A and the chain 55c. To be done. Sprocket 55b
Are supported on the axis D. The axis D is the drive pulley 3a,
3c is supported and rotated by the rotation of the motor 50 to rotate the belts k3 and k4.

The number of teeth of the spur gear 32b and the diameter of the drive pulleys 1a, 1c are set so that the peripheral speeds of the drive pulleys 3a, 3c and the drive pulleys 1a, 1c are reversed at the same peripheral speed. . That is, the belts k1 and k3 and the belts k2 and k2 are provided on the facing surfaces of the first conveying means 1 and the second conveying means.
The k4 and the k4 travel at the same speed in the same direction. The motor 50 supplies a driving force having a strength to break the thin film of the side edge 15 connecting the crab shell 12 and the abdominal surface 16 to the first and second conveying means.

Next, the removing means 45 will be described. As shown in FIGS. 1 and 7, the decapsulation means 45 is used for the second transfer means 2
Is arranged in the recess o between the belts k3 and k4 with a predetermined inclination with respect to the direction of crab inversion. The decapsulating means 45 is composed of a claw 45a, which is a bifurcated engaging portion and serves as an engaging portion, and engages so as to enter both sides of the projecting portion 18 of the crab forehead region 13 from below. The distance between the tips of the claws 45a is set to be slightly wider than the size of the protrusion 18 having the average size to be subjected to the decapitation process. further,
The interval Z from the tip of the claw 45a to the imaginary line connecting the surfaces between the drive pulleys 1a and 1c is set to the thickness of the abdominal surface 16 of the crab of an average size to be debarked.

The crab has belts k1, k3 and k on both legs.
It is clamped by 2, k4 and advances in a predetermined direction, and the claws 45a of the demolition means 45 are engaged with both sides of the forehead region 13 of the crab in the recess o. At this time, since the crab's gait is held by the belts k1, k3 and the belts k2, k4, both legs try to proceed to the downstream side, but the shell 12 causes the claw 45 of the decapsulating means 45 to move.
The progress is hindered by a. Since the driving force of the motor 50 supplied to the first and second conveying means exceeds the strength of the thin film of the side edge 15 connecting the shell 12 and the abdominal surface 16, the crab has a film of the side edge 15 It is torn and the shell 12 is peeled off.

Next, the third conveying means will be described. As shown in FIGS. 1, 2, and 5, the third transport means includes a pair of first transport means.
The drive sprocket 31a, 31c fixed to the shaft C and the driven sprocket 31b, 31d fixed to the shaft E are provided up to the concave portion o within the interval L of the conveying means 1 and are constituted by a chain 31f. . A plurality of pins 32 that convey the crab shell 12 or the root of the leg while pushing the crab shell 12 or the roots of the crabs are provided at positions where the respective chains 31f face each other at a constant interval P. The interval P is set to be slightly longer than the average length from the forehead region 13 to the trailing edge 14 of the crab to be demolition-treated.

With respect to the pin 32, the leg portion of the crab is securely held between the belts k1, k3 and k2, k4 of the first conveying means 1 and the second conveying means 2 from the crab mounting position,
Help the crab's body advance until the crab is debarked. The rotational force of the motor 50 transmitted to the shaft C causes the drive sprockets 31a and 31c to rotate and the chain 3 to rotate at the same speed as the belts k1, k2 and k3, k4 of the first and second conveying means.
1f is advanced in a predetermined direction.

Next, the vibration applying means 60 will be described. First, the crab that has undergone demolition will be described here.
The inside of the abdominal cavity of the crab that has undergone the decapitation treatment is divided into a plurality of chambers 19 from the side edge 15 toward the center of the abdominal cavity by a thin diaphragm, as shown in FIG. Each room 1
9 has an opening 17 near the center of the abdominal cavity, the inside of which is filled with the meat of the crab. A crab miso 20 is connected to the opening 17 of each room 19. Reference numeral 21 indicates an error. The error 21 will be described later.

As shown in FIGS. 1 and 3, the vibration applying means 6
0 is arranged between the first conveying means 1 on the downstream side of the demolition means 45, and vibrates the abdominal surface 16 of the crab that has undergone demolition processing to drop the crab miso into the hopper 61. Vibration imparting means 6
0 is a contact plate 65 that contacts the abdominal surface 16 of the crab and applies an impact
An eccentric cam 6 having a support arm 62 for supporting the contact plate 65, and an eccentric shaft 63a for rotatably supporting the support arm 62.
3 and the eccentric cam 63 at one end and the drive pulley 64a at the other end.
And a shaft G for rotating the eccentric cam 63. The shaft G is rotationally driven by the motor 84. The drive transmission path from the motor 84 will be described later. The rotation speed of the shaft G is set so that the contact plate 65 is moved up and down several times while the body of the crab passes the lower surface of the contact plate 65. The crab that has been subjected to the decapitation process is conveyed downward, and the crab miso 20 is placed in the hopper 61 on the hopper 61 by being impacted several times by the vertical movement of the contact plate 65. Can be dropped.

Next, the error removing means 70 will be described. The error removing means 70, as shown in FIGS. 1 and 4, is between the second transfer means 2 and in the crab transfer direction.
The gills 20 are disposed on the downstream side of the vibration imparting means 60, and the gill 20 is scraped off from the crab from which the crab miso has been collected. The error removing means 70 is arranged between the belts k3 and k4 of the second conveying means 2 and is arranged on the hopper 72, and is constituted by the brush 71 fixed to the shaft F and the shaft H, respectively. The brush 71 is formed of a flexible member such as nylon. In order to diversify the direction of the scraping action of the gills 21, a reversing mechanism may be arranged at an appropriate place to rotate the shaft F and the shaft H in directions opposite to each other.

The shafts F and H are rotationally driven by the above-mentioned motor 84. The drive transmission path from the motor 84 will be described later. When the shaft F and the shaft H rotate, the gills 21 are scraped from the surface of the crab to which the brush 71 has been transferred, which has undergone the decapitation process, and are dropped into the hopper 72.

Next, the cutting means 80 will be described. As shown in FIGS. 1 and 5, the cutting means 80 is arranged between the second conveying means, is arranged on the downstream side of the error removing means 70 with respect to the crab conveying direction, and cuts the conveyed crab. To do. The cutting means 80 includes a disk-shaped cutter 81 and a cutter 81.
It is mainly configured by a shaft I that rotatably supports, a two-stage pulley 82 fixed to one end of the shaft I, and a motor 84 that supplies a driving force to the two-stage pulley 82 via a belt 83b.

A belt 73b is wound between the two-stage pulley 82 and a two-stage pulley 74b fixed to one end of the shaft H, and a pulley 74a fixed to one end of the shaft F is pressed against the belt 73b. Has been made. Further, the two-stage pulley 74b and the pulley 64 fixed to one end of the shaft G
A belt 66b is wound around a.

Therefore, the rotation of the motor 84 depends on the belt 83.
b, transmitted to the cutter 81 via the two-stage pulley 82 and the shaft I. The rotation of the motor 84 is applied to the error removing means 70.
From the two-step pulley 82 to the belt 73b, the pulley 74a, the shaft F, the brush 71, and further to the belt 73b and the two-step pulley 7
4b, the shaft H, and the brush 71, respectively. Furthermore,
The rotation of the motor 84 is transmitted to the vibration applying unit 60 to the two-stage pulley 74b, the belt 66b pulley 64a, and the shaft G.

Next, the process of processing a crab will be described. First, the crab has its legs spread out and the belt k of the first conveying means 1 is moved.
1, k2, the shell 12 downward, the forehead region 13 in the transport direction, and the root of the body or leg is attached to the pin 32 of the third transport means.
Be placed between. Crab pin 3 at the base of the torso or legs
It is pushed by 2, and both legs are conveyed downstream by belts k1 and k2. Both legs are held between the belts k3 and k4 of the second conveying means 2 and the belts k1 and k2 of the first conveying means 1 from a position slightly downstream of the central portion of the upper surface of the first conveying means 2.
As described above, the belts k3 and k are provided inside the second conveying means.
Since the pressing member 6 for pressing 4 is provided, both legs of the crab are securely held between the belts k1, k3 and k2, k4.

In the concave portion o, the crab is turned upside down and the claw 45a of the demolition means 45 is engaged so as to enter the forehead region 13 of the crab from below, and the shell is peeled off. The peeled shell 12 falls downward due to its own weight. After that, the crab that has undergone the dechambering treatment is conveyed to the vibration imparting means 60 with both legs thereof sandwiched between the belts k1, k3 and k2, k4 with the dechambered surface facing down, and the contact plate The abdominal surface 16 is impacted several times by 65, and the crab miso is collected. Further, the grab 21 of the crab is scraped out by the brush 71 from the surface that has been subjected to the decapitation process on the gills removing means 70. Next, the crab is cut by the cutting means 80 and discharged from the end of the second transport means 2 to the outside of the apparatus.

[0032]

As described above, according to the present invention,
It engages from below into the crab's forehead area, and the shell is peeled off by the demolition means with the engaging part inclined with respect to the direction of reversal, so the body of the crab remains intact without damaging the shell of the crab. Can be peeled off. Furthermore, the demolition-processed crab is subjected to an impact by a vibration applying means, whereby the crab miso can be collected. Further, since the error removing means is composed of a brush, the environment around the apparatus can be improved and the generation of dirty water can be reduced.

[Brief description of drawings]

FIG. 1 is a side view of a crab demolition device showing an embodiment of the present invention.

FIG. 2 is a right front view of the crab excavator shown in FIG. 1, with each belt omitted.

3 is a cross-sectional view taken along the line I-I of FIG.

FIG. 4 is a sectional view taken along the line II-II in FIG.

5 is a sectional view taken along the line III-III in FIG.

FIG. 6 (a) is a plan view of a crab to be demolition-treated, (b).
[Fig. 3] is a bottom view of the crab to be subjected to decapitation.

FIG. 7 is a top view of a main part of the crab removing device shown in FIG. 1, showing a state in which the crab is engaged with the removing mechanism.

FIG. 8 is a top view showing a crab that has undergone decapitation processing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st conveyance means 2 2nd conveyance means 3 3rd conveyance means 6 Pressing member 45 Excavation means 50,84 Motor 60 Vibration imparting means 70 Era removal means 71 Brush 80 Cutting means k1, k2, k3, k4 Belt o concave part

Claims (2)

[Claims] 1. A pair of belt-shaped first conveying means which are arranged in parallel at a distance wider than the width of the body of the crab and convey the crab, and a part of a downstream end on the upper side of the first conveying means is vertically moved. A plurality of rollers are wound in a substantially concave shape with a predetermined tension so as to be surrounded and surrounded, and are arranged side by side at a position facing the first conveying means at a distance substantially equal to the above distance.
A pair of belt-shaped second conveying means that holds the crab legs together with the conveying means and inverts the crabs in the recesses and conveys the belt of the second conveying means to the first conveying means side, respectively.
The engaging portion is provided in the concave portion between the pressing member and the second conveying means, and the engaging portion is engaged so as to enter the forehead region of the crab being conveyed from below and the shell is peeled off. Declawing of a crab having a demolition means inclined with respect to one another and a pair of third transfer means for holding the crab to be debarked and transferring it to a predetermined debarking position within the interval of the first transfer means apparatus. 2. The removing machine according to claim 1, wherein the removing machine is arranged between the first conveying means on the downstream side of the removing means,
The crab miso was sampled between the vibration imparting means for vibrating the abdomen of the decapitated crab to collect the crab miso and the second conveying means, downstream of the vibration imparting means. Destroying a crab, which has an eraser removing means consisting of a brush for scraping off the gills from the crab and a cutting means arranged between the second conveying means and on the downstream side of the above-mentioned gilder removing means for cutting the conveyed crab. apparatus.