JP6557117B2 - Live fish alive device - Google Patents

Description

  The present invention relates to a live fish alive device capable of killing live fish such as skipjack, tuna, yellowtail, amberjack and salmon accurately and efficiently with a knife.

  Conventionally, live fish have been revitalized by cutting or destroying the medulla between the eyeball and the swine in the head of the live fish with a cutter or the like. In order to revitalize sequentially, the medullary part of the head of the live fish needs to be opposed to the lower side of a cutter such as a cutter arranged to be movable up and down above the processing table. In the alive device, a stopper for receiving the head of the live fish is provided on the processing table, and when the live fish is supplied on the processing table, the tip of the head is brought into contact with the stopper to Positioning is performed.

  For example, Patent Document 1 discloses a processing table for receiving live fish, a head guide plate for positioning live fish supplied on the processing table, a press plate for pressing live fish on the processing table, and the head There is described a live fish alive device provided with a live knives cutter that is provided so as to be movable up and down above the processing table on the upstream side of the guide plate, and when the live fish is supplied onto the processing table The head is brought into contact with the guide plate, and the live fish is pressed onto the processing table by the pressing plate to perform positioning, and the medullary portion of the live fish is cut by lowering the cutter in this state. .

  Similarly, Patent Document 2 includes an inclined guide having a bottom plate for placing a live fish that can be opened and closed downward, a positioning plate for positioning the head of the live fish provided at the lower inclined end of the inclined guide, A live fish alive device comprising a side plate for sandwiching a positioned live fish and a blade that pierces the medullary part existing between the positioned live fish's eyes and gills is described. The head is brought into contact with and received by the positioning plate, and the live fish is held by sandwiching the live fish with the side plate, and in this state, the blade is moved toward the head side of the live fish. It is configured to cut the medullary part of live fish.

JP-A-6-153775 JP 2003-319748 A

  However, according to the live fish raising device described above, as a means for positioning the live fish at the live raising position, a guide plate or a positioning plate that abuts and receives the head end (mouth tip) of the live fish is used. Therefore, depending on the weight (size) of live fish, the cutting position of the cutter (blade) may vary more than 60 mm in the length direction of the head relative to the medullary portion to be cut, and the spinal cord portion will be accurately There is a problem that a situation occurs in which it becomes impossible to cut.

  The present invention has been made in view of such problems, and the object of the present invention is that the distance from the chest fin of the live fish to the medullary part is almost constant even if the weight and size of the live fish are different. Based on this, we set the position of the knife that cuts the medullary part of live fish based on the chest fins of live fish, and even if there is a variation in the size of live fish, the live fish live fish can be alive reliably and efficiently To provide a device.

  In order to achieve the above object, a live fish alive device according to the present invention includes, as described in claim 1, an inclined plate that receives live fish, and a front end portion of the inclined plate that is the lower inclined end side of the inclined plate. A stopper member that is disposed on the inclined plate and receives a head of live fish supplied in a lying state on the inclined plate, and is movable up and down above the rear portion of the inclined plate that is the upper inclined end side of the inclined plate. The live fish holding plate, the live fish breast fin locking member disposed above the center of the inclined plate, and the stopper member are moved toward the breast fin locking member to remove the live fish breast fin. A push-back means for locking the chest fin locking member, and a chest fin locking member as a reference. And a knife for cutting the medulla part.

  In the live fish alive device constructed as described above, the invention according to claim 2 is characterized in that the live fish breast fin locking member is formed of a horizontally long rectangular thin plate curved in an arch shape, and the breast fin locking member is Inclined downward in the length direction from the rear edge toward the upstream side of the live fish supply direction toward the front edge toward the downstream side from the rear edge toward the width direction of the inclined plate orthogonal to the live fish supply direction In this state, it is disposed above the inclined plate with a space through which the live fish can pass from the inclined plate, and the chest fin locking member is elastically pressed onto the trunk of the live fish. Means are provided.

  According to a third aspect of the present invention, the urging means for press-contacting the breast fin locking member on the live fish body protrudes from both ends in the length direction of the breast fin locking member, and the protruding ends of the inclined plate are An arm piece pivotally attached to both end portions, a lever piece projecting upward at the end portion of the arm piece, and an arm connected between the projecting end portion of the lever piece and the inclined plate It is characterized by comprising a spring that constantly urges the chest fin locking member downward through a piece.

  The invention according to claim 4 is a preferable structure of the stopper member for receiving the head of the live fish, which is inclined in a direction away from each other from the front end toward the rear end, and the head of the live fish is formed by the opposed inclined surface. It is characterized in that it is formed in a flat trapezoidal frame composed of left and right inclined side plates for holding the plate and end face plates connecting the front end surfaces of these inclined side plates.

  The invention according to claim 5 is characterized in that the pushing-back means of the stopper member comprises an air cylinder having its piston rod connected to an end face plate of the stopper member.

  According to a sixth aspect of the present invention, the air cylinder as the stopper member pushing-back means in the fifth aspect is a first air cylinder connected to the stopper member, and a second air cylinder connected in series with the first air cylinder. It is characterized by comprising.

  According to a seventh aspect of the invention, the rear end, which is the upper inclined end portion side of the inclined plate, is pivotally attached to the support shaft, and the inclined plate is rotated downward about the support shaft. An air cylinder is provided.

  The invention according to claim 8 is characterized in that a switch member that is turned on when live fish A is supplied to start the live fish A is provided on the inclined plate.

  According to the invention which concerns on Claim 1, the stopper member which receives the head of a live fish is arrange | positioned in the downward sloping end side of an inclination board, and the breast fin locking member of a live fish above the center part of the said inclination board Furthermore, push-back means for moving the stopper member toward the breast fin locking member is provided, and the live fish is located above the chest fin locking member at a predetermined distance from the front. Since the knife for cutting the medullary part is arranged so as to be movable up and down, when the live fish is supplied on the inclined plate with its head facing downstream and lying on its side, the live fish is stopped by the inclination of the inclined plate. From the chest fin locking member, the chest fin that faces upward while sliding the torso of the live fish against the lower surface of the breast fin inclined member disposed on the way Pass it downstream and strike its head It can be a state of being catch the path member.

  Furthermore, since the push-back means for pushing back the stopper member toward the upstream side (rear) is provided, the stopper member is moved toward the breast fin locking member by the push-back means to push the whole live fish back to the upstream side. The breast fin of the live fish that has been passed through the breast fin locking member can be retracted toward the breast fin locking member and the breast fin locking member can be easily and reliably locked to the breast fin locking member. In this state, it can be fixed by a live fish holding plate.

  At this time, the position of the medulla between the eyeball and the swine in the head of the live fish is about a few millimeters at the maximum distance from the chest fin to the medulla depending on the weight and size of the live fish. In some cases, a variation of about 7mm may occur, but it will be located at a distance where there is almost no hindrance to revitalization. By lowering the knife, regardless of the weight and size of the live fish, the medulla can be cut reliably and efficiently to perform the revitalization process.

  According to a second aspect of the present invention, the live fish breast fin locking member is formed of a horizontally long rectangular thin plate curved in an arch shape, and the length direction of the breast fin locking member is perpendicular to the live fish supply direction. Passing live fish from the inclined plate in a state inclined obliquely downward from the rear edge toward the upstream side in the feed direction of the live fish toward the front edge toward the downstream side toward the upstream side of the live fish supply direction A biasing means for elastically pressing the breast fin locking member on the trunk of the live fish is provided at an interval above the inclined plate with a possible interval. The breast fin is received while securely receiving the live fish in the rear end portion of the breast fin locking member that is expanded and elastically pressing the torso of the live fish with the lower surface of the front end portion of the breast fin locking member. It can be passed smoothly from the locking member to the downstream side, and the live fish can be When pushed back by the rear end of the upper member toward the upstream side, the body of the live fish is in sliding contact with the lower surface of the front end portion of the breast fin locking member and tilted upward from the base toward the front end. The chest fin can be accurately locked to the locking member up to its base while the chest fin being moved is moved toward the upstream side on the front end portion of the locking member.

  According to the invention of claim 3, the urging means for pressing the fin fin locking member on the trunk of the live fish protrudes at both ends in the length direction of the fin fin locking member, and the protruding ends thereof are An arm piece pivotally attached to both end portions of the inclined plate, a lever piece projecting upward from the end portion of the arm piece, and a connection between the protruding end portion of the lever piece and the inclined plate Since it consists of a spring that constantly biases the chest fin locking member downward through the arm piece, even if the thickness of the trunk differs depending on the weight of the live fish, The chest fin locking member can always be elastically pressed against the trunk of the live fish by a spring force, and when pushing back by the stopper member, the breast fin of the live fish whose head is received by the stopper member is locked. The member can be securely locked.

  According to the invention of claim 4, the stopper member for receiving the head of the live fish is composed of left and right inclined side plates that are inclined in a direction away from each other from the front end toward the rear end. The space between the rear ends of the fish is formed in the receiving port for live fish, and the inclined inner surface that faces is formed on the head supporting surface of the live fish, so the size of the head of the live fish supplied on the inclined plate Even if the heads are slightly different from each other, the head can be securely held by the opposing inclined inner surfaces of the left and right inclined side plates, and the live fish together with the breast fin locking member that elastically presses the trunk of the live fish It is possible to hold the fish without reluctance, and to push the stopper member back while maintaining the holding state, thereby placing the live fish at a predetermined live-up processing position.

  According to the fifth aspect of the present invention, the pushing-back means for the stopper member is composed of an air cylinder having the piston rod connected to the end face plate of the stopper member. The chest fin can be reliably locked to the locking member by being pushed back by operation.

  Furthermore, according to the invention which concerns on Claim 6, as a pneumatic cylinder which pushes back the stopper member in the said Claim 5, the 1st air cylinder connected with the stopper member, and the 2nd air cylinder connected with this 1st air cylinder in series Therefore, by sequentially extending the piston rods of the first air cylinder and the second air cylinder, the live fish whose head is received by the stopper member can be moved smoothly and quickly to the upstream side, so that Can be locked to the locking member. At this time, it is configured so that the fin of the live fish is securely locked to the locking member by the extension of the piston rod of the second air cylinder. However, the extension of the piston rod of the second air cylinder depends on the size of the live fish. Even if the amount becomes larger than necessary, the piston rod of the first air cylinder contracts while absorbing the excessive extension, and the fin of the live fish is locked to the locking member with a predetermined locking force. Thus, the revitalization process can be performed with the knife.

  According to the seventh aspect of the present invention, the rear end, which is the upper inclined end portion side of the inclined plate, is pivotally supported by the support shaft, and the inclined plate is rotated downward with the support shaft as a fulcrum. Since the air cylinder to be moved is arranged, the live fish on the inclined plate that has been alive can be discharged while sliding on the inclined plate that rotates downward by operating this air cylinder, After discharging, the inclined plate can be returned to its original state to prepare for the next live fish.

  According to the invention which concerns on Claim 8, since the switch member which turns on by the supply of the live fish A and starts the live fish of the live fish A is arrange | positioned to the said inclination board, the live fish A is supplied on an inclination board. Each time, the action of locking the live fish with the fin fin locking member by the operation of the stopper member, the medullary cutting operation with a knife, and the discharge of the live fish by rotating the inclined plate downward are performed sequentially and continuously. Automation of vitalization can be achieved.

The vertical side view of the live-fishing device of this invention live fish. The plan view. The front view seen from the XX line in FIG. The vertical side view of a chest fin locking member part. The vertical side view of the state which supplied the live fish and supported the head on the stopper member. The plan view. The longitudinal cross-sectional side view of the state which pushed the live fish back for a short distance toward the upstream. The plan view. The vertical side view of the state which pushed the live fish until the breast fin latched to the latching member. The plan view. A longitudinal side view of a state where live fish is held. The longitudinal side view of the state which stabbed the knife in the medullary part of live fish. The vertical side view of the state which is discharging the live fish which was alive.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, a specific embodiment of the present invention will be described. In FIGS. 1 to 3, reference numeral 1 denotes a machine frame, and the right and left columns 1a, 1a are vertically opposed to each other. The horizontal frame portions 1b and 1c are arranged and fixed in parallel with each other at a predetermined interval, and between these left and right horizontal frame portions 1b and 1c, the supply side of the live fish A to be alive is the rear side. On the rear part side, there is disposed a rectangular plate 2 for placing live fish, which is long in the front-rear direction and is inclined downward from the rear end which is the upstream side of the live fish supply toward the front end which is the downstream side, A stopper member 3 for receiving and holding the head A1 of the live fish A is disposed on the front end of the inclined plate 2.

  The stopper member 3 is inclined in a direction away from each other from the front end to the rear end, and left and right inclined side plates 3a and 3b that hold the head A1 of the live fish A in a sandwiched state by the opposed inner surfaces thereof, It is formed in a flat trapezoidal frame composed of an end face plate 3c integrally connecting the front ends of the inclined side plates 3a, 3b, and the lower end surface of the stopper member 3 is fully open downward. The rear end side of the opening that is widened in a flat trumpet shape that is the head receiving side of the live fish A is directed rearward, and the lower end opening end (left and right inclined side plate 3a) The lower end surface of 3b is placed in sliding contact or close proximity.

  Further, when the head A1 of the live fish A is received in the stopper member 3, the stopper member 3 is pushed back toward the breast fin locking member 6 to be described later, so that the breast fin a1 of the live fish A is fixed to the locking member 5. Push-back means 4 comprising an air cylinder to be locked is disposed.

  Specifically, the push-back means 4 is fixed on the front end of the machine frame 1 and the first air cylinder 4a connecting the bottom surface of the cylinder tube to the front surface of the end face plate 3c of the stopper member 3. The piston rod comprises a second air cylinder 4b in which the tip of the piston rod is connected in series with the piston rod of the first air cylinder 4a. The second air cylinder 4b has a larger air than the first air cylinder 4a. A cylinder is used.

  Further, the rear half (lower half) of the trunk A2 of the live fish A, which is supplied onto the inclined plate 1 and held at the stopper member 3 above the rear portion, which is the upper inclined end side of the inclined plate 2. The live fish holding plate 5 for fixing the live fish A on the inclined plate 2 by pressing the portion) is disposed so as to be movable up and down. This live fish holding plate 5 is curved in a circular arc shape downward from the center in the width direction toward both side ends, and presses the trunk A2 of the live fish A supplied on the inclined plate 2 on the inclined plate 2 on its lower surface. It is made by extending and contracting the piston rods of the air cylinders 11 and 12 connecting the upper frame portion 1d of the machine frame 1 and the center portion of the upper surface of the live fish holding plate 5 to each other. It is configured to advance and retract toward the plate 2.

  A breast fin locking member 6 for locking the breast fin a1 of the live fish A is disposed above the central portion in the length direction of the inclined plate 2 in the vicinity of the front end of the live fish holding plate 5. This chest fin locking member 6 is made of a horizontally-long rectangular thin strip steel plate curved in an arch shape, and its length direction is oriented in a direction orthogonal to the front-rear direction, which is the supply direction of live fish A, and also shown in FIG. As shown, the interval through which the live fish A can be passed upward from the inclined plate 2 is inclined obliquely downward from the rear edge consisting of one long edge toward the front edge consisting of the other long edge. Further, biasing means 7 is provided for elastically pressing the front end edge of the trunk A2 facing upward on the live fish A supplied in a lying state on the inclined plate 2. Yes.

  As shown in FIGS. 2 and 4, the urging means 7 has a specific structure in which both ends of the chest fin locking member 6 in the length direction are refracted downward so as to be parallel to each other. The arm pieces 7a, 7a projecting forward at the lower ends of both end portions, and the projecting end portions of the arm pieces 7a, 7a project upward from the left and right side edges of the inclined plate 2. Shafts 7b, 7b pivotably attached to both side walls 2a, 2a having a certain height, and lever pieces 7c, 7c projecting upward from the tip portions of the arm pieces 7a, 7a And tension springs 7d and 7d, one end of which is supported at appropriate positions on both side wall plates 2a and 2a of the inclined plate 2 and the other end connected to the upper ends of the lever pieces 7c and 7c. The chest fin locking member 6 is urged by the springs 7d and 7d in a direction to rotate downward. In addition, the chest fin locking member 6 is configured so that both ends thereof are received by the upper end surface of the inclined plate 2 and the like, and is not further rotated downward.

  A position at a predetermined interval forward from the breast fin locking member 6, specifically, the root of the breast fin a <b> 1 of the live fish A locked to the breast fin locking member 6 with reference to the breast fin locking member 6. The knife 8 that cuts the medullary part a2 of the live fish A is arranged so as to be movable up and down on a line orthogonal to the inclined plate 2 above the front position at a distance corresponding to the distance from the medullary part A2 to the live medullary part A2. Has been established. The knife 8 is attached to the lower end of a piston rod facing downward of the air cylinder 13 fixed to the upper frame portion 1d of the machine frame 1.

  Further, the inclined plate 2 has its rear end on the upper inclined end portion side and the vertical direction by a support shaft 9 whose both ends are supported between the rear end portions of the left and right horizontal frame portions 1b and 1c of the machine frame 1. The tilt plate 2 is pivotally attached to the center of the lower surface of the inclined plate 2 and the bottom of the machine frame 1 by an air cylinder 10 and the piston rod of the air cylinder 10 is contracted. Is pivoted downward from the state in which the front end thereof is close to or in contact with the lower surface of the stopper member 3 with the support shaft 9 as a fulcrum, and the shoot 16 while sliding the live fish A alive on the inclined plate 2 It is configured to be sent to the side and discharged.

  On the lower surface of the front center of the inclined plate 2, a switch member 14 for starting the activating device configured as described above is mounted. An open / close switch piece 14a of the switch member 14 protrudes upward from the upper surface of the inclined plate 2 through a hole 15 elongated in the front-rear direction provided in the front center of the inclined plate 2 from the lower surface of the inclined plate 2. However, when it is placed on the switch piece 14a, the switch member 14 is turned on by tilting toward the hole 15 side.

  Next, the operation of the live fish A alive device configured as described above will be described. The live fish A is supplied on the inclined plate 2 with its head A1 facing forward and in a recumbent state. The supply of the live fish A onto the inclined plate 2 may be performed manually by an operator, or travels in a direction perpendicular to the longitudinal direction of the machine frame 1 along the rear end of the machine frame 1. A conveyor may be provided, and the live fish A conveyed by the conveyor may be sequentially supplied onto the inclined plate 2 by pushing means or the like.

  The live fish A supplied on the inclined plate 2 moves toward the lower inclined end of the inclined plate 2 while sliding on the inclined plate 2 through the lower space portion of the live fish holding plate 5, and is arranged in the course of the movement. When the lower space portion of the arch-curved chest fin locking member 6 is passed from the head A1 side to the front half of the trunk A2 having the chest fin a1, the head A1 passes through the stopper member 3. As shown in FIGS. 5 and 6, the left and right sides of the stopper member 3 are opposed to the inclined side plates 3a and 3b. The head A1 is received in a clamped state by the inclined inner surface and stops at that position.

  The arch-shaped curved fin locking member 6 is made of a thin steel strip, and is inclined obliquely downward from a rear edge consisting of one long edge toward a front edge consisting of the other long edge. The front half of the trunk A2 having the chest fin a1 of the live fish A is the chest fin locking member because the biased means 7 having the spring 7d is biased in the tilted direction. When passing through 6, it smoothly enters from the head A 1 side into the rear end portion of the chest fin locking member 6 that is widened obliquely upward toward the rear, and is inclined obliquely downward. The chest fin locking member 6 is pivoted against the biasing force of the biasing means 7 by pressing the upper surface of the body A2 facing upward against the lower surface of the front edge of the chest fin locking member 6. As a fulcrum and the upper surface of the torso A2 is lifted by the elastic force of the biasing means 7. The pectoral a1 chest fin locking member 6 while sliding on the lower surface of the front end edge portion of the locking member 6 can be smoothly passed toward the downstream side.

  When the head A1 of the live fish A is received in the stopper member 3, the lower surface of the front end portion of the trunk A2 of the live fish A is provided on the inclined plate 2 side as shown in FIGS. The lower surface of the front end of the trunk A2 of the live fish A reaches the switch piece 14a, and the switch piece 14a is moved downward by the lower surface to turn on (close) the switch member 14, and the push-back means 4 of the stopper member 3 1 The air cylinder 4a is actuated to extend its piston rod, and the stopper member 3 is moved to the upstream side by a small distance so that the whole live fish A reaches its front vicinity of the breast fin locking member 6 Retreat until. At this time, since the head A1 of the live fish A is held (accepted) by the stopper member 3, it can be accurately pushed back to the upstream side without causing left-right movement.

  Next, the second air cylinder 4b of the push-back means 4 is actuated to extend its piston rod, and the stopper member 3 is further pushed back via the first air cylinder 4a, as shown in FIGS. The chest fin a1 of the live fish A is locked to the chest fin locking member 6.

  At this time, as described above, the chest fin locking member 6 is inclined downward from the rear edge side toward the front edge side and is urged downward by the spring 7d of the urging means 7. The edge is always pressed against the trunk A2 of the live fish A by the spring force, and the live fish A moves backward while sliding the trunk A2 against the lower surface of the front edge of the breast fin locking member 6, while Since a1 is inclined upward in the direction away from the body A2 from the root side toward the tip, the upper surface of the breast fin locking member 6 is formed from the front edge of the chest fin locking member 6 made of a thin steel plate. It can be locked to the front end edge of the chest fin locking member 6 up to its base while riding on.

  Further, the extension amount of the piston rod of the second air cylinder 4b is set to an extension amount more than necessary in order for the fin fin a1 of the live fish A to be securely locked to the breast fin locking member 6. When the breast fin a1 of the live fish A is engaged with the breast fin engaging member 6 by the extension of the piston rod, the piston rod of the first air cylinder 4a contracts while functioning like an air cushion, and the second The excessive extension amount of the piston rod of the air cylinder 4b can be absorbed, and the fish fin a1 of the live fish A can be reliably locked to the chest fin locking member 6 with a predetermined locking force.

  As described above, when the chest fin a1 of the live fish A is locked to the front edge of the chest fin locking member 6, the spinal cord portion a2 on the head side portion at a predetermined interval from the root of the breast fin a1 to the front is obtained. , Located below the knife 8 for cutting the medullary part, and when this state is reached, the live fish holding plate 5 is moved downward by the extension of the piston rods of the air cylinders 11 and 12, as shown in FIG. The live fish A is fixed by pressing the rear half of the trunk A2 of the live fish A on the rear side from the A fin fillet locking member 6 side onto the inclined plate 2.

  Subsequent to the downward movement of the live fish holding plate 5, the lifting / lowering air cylinder 10 of the knife 8 is actuated, and the piston rod is extended so that the knife 8 is lowered as shown in FIG. The live fish A is lived up by piercing a2 to a predetermined depth and cutting the spinal cord portion a2.

  After cutting the spinal cord portion a2 of the live fish A, the knife 8 immediately rises to its original position, and after that rise, the piston rods of the first and second air cylinders 4a, 4b of the push-back means 4 contract and the stopper member 3 is moved. While returning to the original position, the live fish holding plate 5 is also raised to the original position by the contraction of the piston rods of the air cylinders 11 and 12, and then, as shown in FIG. The piston rod contracts, and the inclined plate 2 is further tilted downward with the support shaft 9 as a fulcrum, and the live fish A slides down on the inclined plate 2 by this tilt and is discharged onto the chute 16.

  After the exhausted live fish A is discharged, the piston rod of the operating air cylinder 10 of the inclined plate 2 extends to return the inclined plate 2 to its original position, and prepares for the next live fish A live processing. .

1 Machine frame 2 Inclined plate 3 Stopper member
3a, 3b Left and right inclined side plates
3c End plate 4 Push-back means
4a First air cylinder
4b 2nd air cylinder 5 Live fish holding plate 6 Breast fin locking member 7 Energizing means 8 Knife
10-13 Air cylinder
14 Switch member

Claims (8)

  An inclined plate that receives live fish, and a stopper member that is disposed on the front end portion of the inclined plate on the lower inclined end side of the inclined plate and receives the head of the live fish that is supplied in a lying state on the inclined plate A live fish presser plate that is vertically movable above the rear part of the inclined plate that is the upper inclined end side of the inclined plate, and a fish fin locking member that is disposed above the central part of the inclined plate And a pushing-back means for moving the stopper member toward the breast fin locking member to lock the live fish fin fin on the breast fin locking member, and the breast fin locking member based on the breast fin locking member. And a knife for cutting the medullary portion of the live fish, which is arranged to be movable up and down above the position at a predetermined interval from the front.   The fish fin locking member is made of a horizontally long rectangular thin plate that is curved in an arch shape. The chest fin locking member is oriented with its length direction in the width direction of the inclined plate orthogonal to the live fish supply direction and The upper edge of the inclined plate with an interval through which live fish can pass from the inclined plate in a state inclined obliquely downward from the rear edge toward the upstream side in the supply direction toward the front edge toward the downstream side 2. The live fish alive device according to claim 1, further comprising a biasing means that elastically presses the breast fin locking member on the live fish body. .   The urging means for pressing the fin fin locking member on the body of the live fish protrudes at both ends in the length direction of the fin fin locking member, and the projecting ends thereof are freely rotatable at both side end portions of the inclined plate. An arm piece pivotally attached, a lever piece projecting upward at the end of the arm piece, and the chest fin engagement member connected between the protruding end of the lever piece and the inclined plate via the arm piece 3. The live fish alive device according to claim 1, comprising a spring that constantly urges the stop member downward.   The stopper member for receiving the head of the live fish is inclined in a direction away from each other from the front end toward the rear end, and the left and right inclined side plates that hold the head of the live fish by the opposed inclined surfaces, and the front ends of these inclined side plates 2. The live fish alive device according to claim 1, wherein the live fish alive device is formed in a flat trapezoidal frame composed of end plates connected between surfaces.   5. The live fish raising apparatus according to claim 1, wherein the stopper member pushing back means comprises an air cylinder having a piston rod connected to an end face plate of the stopper member.   The air cylinder as a pushing-back means for the stopper member comprises a first air cylinder connected to the stopper member and a second air cylinder connected in series with the first air cylinder. 5. A live-fishing device for live fish according to 5.   The rear end, which is the upper inclined end side of the inclined plate, is pivotally mounted by a support shaft, and an air cylinder is provided for rotating the inclined plate downward with the support shaft as a fulcrum. The live fish alive device according to claim 1.   2. The live fish revitalizing apparatus according to claim 1, wherein a switch member that is turned on by supplying live fish A and starts alive live fish is disposed on the inclined plate.

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