JP6146810B2 - Equine carcass shoulder joint tendon cutting device - Google Patents

Description

The present invention relates to a device for automatically cutting a tendon of a poultry carcass shoulder joint.

Prior to the work of separating the chest and wings from the upper half of the edible carcass with the head removed and the internal organs removed, a pair of left and right cuff bones of the left and right shoulder joints of the upper half of the edible carcass The operation | work which cut | disconnects the left-right several pairs of tendons which connect an upper end part and a left-right paired humerus upper-end part is performed. The above work has been performed manually.

An object of the present invention is to provide an apparatus for automatically cutting a plurality of pairs of left and right tendons at the left and right shoulder joints of a poultry carcass in order to improve the efficiency of dismantling the poultry carcass.

In order to solve the above-mentioned problems, in the present invention, the upper half of the edible carcass is moved up and down by fitting it into the chest cavity of the upper half of the edible carcass whose head has been excised and the internal part removed. The right and left supporting members that cut in the left and right tendons that connect the upper and lower left and right shoulder joints of the upper and lower shoulder joints and the left and right upper humerus upper ends of the pair of left and right humerus Two pairs of cutting blades, and after the pair of left and right first cutting blades cut the dorsal or thoracic tendon in the plurality of pairs of left and right tendons, the pair of left and right second cutting blades in the pairs of left and right tendons The first cutting blade is a rotary blade, the second cutting blade is a rectilinear blade, and the upper half neck and left and right shoulder joints supported by the upper and lower support members The anti-rotation device is equipped with an anti-rotation device that prevents the upper half of the poultry carcass from rotating about the vertical axis by contacting the left and right shoulders between the second cutting blade and the second cutting blade. Cut the tendon at the shoulder joint of the upper half of the poultry carcass that has been prevented from rotating around the vertical axis by positioning, the vertical support member moves in a predetermined direction, and the anti-rotation device interlocks with the movement of the vertical support member A rotating disc that rotates and the abutment with the shoulder of the poultry carcass is a recess formed in the outer periphery of the rotating disc, and the first cutting blade is interlocked with the movement of the upper and lower support members. The first interlocking mechanism for approaching and separating from the shoulder joint of the upper half of the poultry carcass and the second cutting blade approaching and separating from the shoulder joint of the upper half of the poultry carcass in conjunction with the movement of the upper and lower support members And a second interlocking mechanism to provide a edible carcass carcass shoulder joint tendon cutting device.

A device that automatically cuts the tendon of the poultry carcass shoulder joint can be formed by the upper and lower support members and the cutting blade.
When the first cutting blade cuts the dorsal or thoracic tendon in the plurality of tendons connecting the upper end of the calcaneus and the upper end of the humerus, the humerus is pulled by the remaining thoracic or dorsal tendon. In the vicinity of the cut tendon, the mouth opens. Next, the second cutting blade is guided by the mouth opening portion and enters the shoulder joint portion to cut the remaining tendon. As a result, all of the plurality of pairs of tendons in the shoulder joint are cut.
When the first cutting blade is a rotary blade, not only dorsal or thoracic tendons in a plurality of pairs of tendons that connect the upper end of the costal bone and the upper end of the humerus, but also skin and meat near the tendon. Cut shallow and relatively long. As a result, the vicinity of the cut tendon surely opens. It is preferable that the second cutting blade guided by the mouth opening portion and enters the shoulder joint portion to cut the remaining tendon advances straight.
When cutting the tendon at the shoulder joint part of the poultry carcass with the second cutting blade that goes straight, the upper and lower parts of the upper half of the poultry carcass are inserted in order to ensure that the second cutting blade enters the mouth opening of the shoulder joint part. It is necessary to prevent rotation around the axis. The upper and lower axes of the upper half of the poultry carcass by the anti-rotation device coming into contact with the left and right shoulders between the neck and the left and right shoulder joints of the upper half of the poultry carcass supported by the upper and lower support members Around rotation can be prevented.
When cutting the tendon of the shoulder joint of the upper half of a large number of edible carcass, a number of vertical support members supporting the upper half of the edible carcass are arranged at predetermined intervals and moved in a predetermined direction, It is preferable to sequentially process the upper half of the poultry carcass passing through the predetermined work station. In this case, the anti-rotation device is a rotating disc that rotates in conjunction with the movement of the upper and lower support members, and the contact portion with the shoulder of the upper half of the poultry carcass is a recess formed in the outer peripheral portion of the rotating disc. The first cutting blade and the second cutting blade are preferably moved closer to and away from the shoulder joint of the upper half of the poultry carcass in conjunction with the movement of the upper and lower support members.

In the preferable aspect of this invention, the contact part with the poultry carcass shoulder part of the rotation prevention apparatus forms the convex curved part upward along the shoulder part external shape.
The length of the abutting portion between the anti-rotation device and the poultry carcass shoulder is formed by forming the convex portion of the anti-rotation device and the poultry carcass shoulder at the upper portion along the shoulder outline. The rotation prevention function of the rotation prevention device is improved.
In a preferred aspect of the present invention, the poultry carcass shoulder joint tendon cutting device is disposed on the upstream side of the first cutting blade in the movement direction of the upper and lower support members and is supported by the upper and lower support members. A push-in device is provided that abuts the shoulder of the upper half from above and pushes the shoulder to a predetermined height.
The outside fitting operation of the upper half of the poultry carcass to the upper and lower support members is performed manually by an operator, but the upper half of the poultry carcass is sequentially removed from the upper and lower support members to which one worker moves. Since they are fitted, the working time per bird cannot be sufficiently taken, and the upper half of the poultry carcass cannot be sufficiently pushed into the upper and lower support members. Therefore, it is necessary to dispose a device that pushes the upper half of the edible carcass into the upper and lower support members by contacting the shoulder of the upper half of the edible carcass with the thoracic cavity fitted to the upper and lower support members from above. There is. The pushing device pushes the shoulder portion of the upper half of the poultry carcass to a predetermined height suitable for engagement with the cutting blade and engagement with the concave portion of the rotating disk forming the rotation preventing device.

It is a schematic diagram of the tendon of a poultry carcass shoulder joint part. 1 is an overall view of a poultry carcass shoulder joint tendon cutting device according to an embodiment of the present invention. (A) is a side view, (b) is a top view, and (c) is a cc arrow view of (a). It is a lineblock diagram of the 1st cutting blade with which a poultry carcass shoulder joint part tendon cutting device concerning an example of the present invention is provided. (A) is a side view, (b) is a top view, and (c) is a cc arrow view of (a). It is a top view of the upper half part of a poultry carcass which shows the effect of dorsal tendon cutting by the first cutting blade. (A) shows the state before cutting the dorsal tendon, and (b) shows the state after cutting the dorsal tendon. It is a lineblock diagram of a rotation prevention device with which a poultry carcass shoulder joint part tendon cutting device concerning an example of the present invention is provided. (A) is a side view, (b) is a bb arrow line view of (a). It is a figure which shows the action | operation of the 2nd cutting blade with which the poultry carcass shoulder joint part tendon cutting device which concerns on the Example of this invention is provided. (A) is a side view, (b) is a bb arrow line view of (a).

A poultry carcass shoulder joint tendon cutting device according to an embodiment of the present invention will be described.

As shown in FIG. 1, in the pair of left and right shoulder joints of the upper half 100 of the poultry carcass, the pair of left and right rib upper ends and the pair of left and right humerus upper ends are a pair of left and right dorsal tendons, It is connected with a pair of left and right upper tendons and a pair of left and right chest tendons. Prior to the work of separating the chest and wings from the upper half of the poultry carcass whose head has been removed and the internal part removed, the pair of left and right dorsal tendons of the pair of left and right shoulder joints and the pair of left and right The upper tendon and a pair of left and right thoracic tendons are cut. Using the poultry carcass shoulder joint tendon cutting device according to the present embodiment, the pair of left and right dorsal tendons of the pair of left and right shoulder joints, the pair of left and right upper tendons, and the pair of left and right chest tendons Can be cut automatically.
In the following description, the directions of arrows I, II, III, IV, V, and VI in FIGS. 1 to 6 are referred to as front, rear, left, right, upper, and lower.

As shown in FIG. 2, the poultry carcass shoulder joint tendon cutting device A has a large number of triangular pyramid shapes in which the upper traveling part is fixed at equal intervals to the endless belt conveyor 1 that travels in the direction of arrow α. The upper and lower support members 2 are provided. The poultry carcass shoulder joint tendon cutting device A is further disposed above the upper traveling portion of the endless belt conveyor 1 and sequentially from the upstream side to the downstream side in the traveling direction of the upper end traveling portion of the endless belt conveyor 1. A push-in device 3, a shoulder joint position detection device 4, a first cutting blade 5, a rotation prevention device 6, and a second cutting blade 7 are provided.
An endless belt conveyor 1 is located upstream of the pushing device 3 with respect to the traveling direction of the upper traveling section, and an operator holds the upper half part 100 of the poultry carcass with the head removed and the built-in part removed, and the endless belt conveyor. The chest cavity of the upper half part 100 of the poultry carcass is externally fitted from above to the upper and lower support members 2 projecting upward from the upper running portion 1 with the back side or the chest side facing forward. 1 to 6 and the following description, for the sake of convenience, it is assumed that the upper half part 100 of the poultry carcass is externally fitted to the upper and lower support members 2 with the back side facing forward.

As can be seen from FIG. 2, the pushing device 3 includes a pair of left and right driven rotating disks 3a that are rotatably supported by shafts extending in the left-right direction.
Since the upper half part 100 of the edible carcass is sequentially fitted outside the upper and lower support members 2 to which one worker moves, the working time per bird cannot be taken sufficiently, The half part 100 cannot be pushed into the upper and lower support members 2 sufficiently.
A pair of left and right driven rotating disks 3a of the pushing device 3 abuts against a pair of left and right shoulders of the upper half of the poultry carcass 100 from above, and engages with cutting blades 5 and 7 described later and a rotation prevention device 6. The pair of left and right shoulders are pushed down to a predetermined height suitable for engagement with the concave portion of the rotating disk forming the.
The pushing device 3 sequentially pushes the shoulders of the upper half 100 of the poultry carcass arriving one after another.

The shoulder joint position detection device 4 includes a pair of left and right arm members 4a that can rotate about a left and right axis and a vertical axis, and a left and right pair that urges the arm member 4a so that the front end of the arm member 4a moves downward. (Not shown), a pair of left and right stoppers (not shown) that define the lowermost position of the front end of the arm member 4a, and a pair of left and right not shown (not shown) that detect the vertical distance from the upper running portion of the conveyor 1 at the front end of the arm member 4a. 1 detection device and a pair of left and right detection devices (not shown) for detecting the horizontal distance from the upper traveling portion of the conveyor 1 at the front end of the arm member 4a.
The shoulder joint position detection device 4 presses the vicinity of the front end of the arm member 4a biased downward by a spring from above to the shoulder joint vicinity of the moving poultry carcass 100 from above, and the upper end of the humerus or the hip bone The vicinity of the front end of the arm member 4a is moved to the recess of the shoulder joint along the roundness of the upper end, and the downward projection of the front end of the arm member 4a contacts the recess of the shoulder joint of the moving poultry carcass 100. The vertical distance and the horizontal distance from the traveling part on the upper side of the conveyor 1 at the front end of the arm member 4a when it is ridden are detected. The detected vertical distance and horizontal distance are the vertical distance and horizontal distance from the upper traveling portion of the conveyor 1 at the shoulder joint.
The shoulder joint position detection device 4 sequentially detects the shoulder joint position of the upper half part 100 of the poultry carcass that arrives one after another.
Details of the structure of the shoulder joint position detection device 4 are disclosed in Japanese Patent Application Laid-Open No. 2011-177096.

As shown in FIG. 3, the first cutting blade 5 includes a pair of left and right rotating blades 5a, a pair of left and right motors 5b that rotationally drive the pair of left and right rotating blades 5a, and a pair of left and right rotating blades 5a. ) And a pair of left and right swing urging devices (not shown) that swing around the vertical axis, and the left and right rotary blades 5a at the left and right shoulder joint positions detected by the shoulder joint position detection device 4. And a rotary blade positioning device (not shown) for automatically positioning the blade.
Before the poultry carcass upper half 100 arrives at the rotary blade 5a, the rotary blade positioning device receives the detection signal of the shoulder joint position detection device 4, and the rotary blade positioning device converts the left and right rotary blades 5a into the left and right shoulder joint portion positions. Position to.
A contact-type displacement sensor 8 including a coil 8a and a movable iron core 8b is disposed immediately behind the first cutting blade 5, in other words, immediately upstream of the first cutting blade 5 with respect to the traveling direction of the upper end traveling portion of the endless belt conveyor 1. It is installed. When the tip of the movable iron core 8b comes in contact with the shoulder of the upper half 100 of the poultry carcass that moves forward, the upper half 100 of the poultry carcass has arrived at the position where the first cutting blade 5 is disposed. The contact type displacement sensor 8 detects. The pair of left and right motors 5b are started in response to the detection signal of the contact displacement sensor 8, and the pair of rotating left and right rotating blades 5a contact the back side of the pair of left and right shoulder joints of the upper half 100 of the poultry carcass. The pair of left and right dorsal tendons and a part of the dorsal side of the upper tendon are cut, and the skin and meat near the tendons are cut shallowly and relatively long. Immediately after the cutting, the pair of left and right swinging urging devices are operated to swing the pair of left and right rotary blades 5a forward and leftward and left from the upper half part 100 of the poultry carcass. When the poultry carcass upper half 100 moves forward and leaves the first cutting blade placement position, the pair of left and right rotary blades 5a swing back and return to the shoulder joint position.
The rotary blade 5a sequentially cuts the dorsal tendon of the shoulder joint part and the part of the dorsal side of the upper tendon of the poultry carcass upper half 100 that arrives one after another.

As shown in FIG. 4, the rotary blade 5a of the first cutting blade 5 connects the upper end of the calcaneus and the upper end of the humerus, the upper tendon, the dorsal tendon in the thoracic tendon and the back of the upper tendon. When part of the side is cut, the humerus is pulled by the remaining thoracic tendon, and the vicinity of the cut tendon opens.
The rotary blade 5a shallows not only the dorsal side of the dorsal side of the plurality of tendons and the dorsal side of the upper tendon, but also the skin and meat in the vicinity of the tendon, which connect the upper end of the calcaneus and the upper end of the humerus. And since it cuts comparatively long, the vicinity part of the cut tendon opens reliably.

As shown in FIGS. 2 and 5, the rotation preventing device 6 includes a pair of left and right rotating disks 6 a. The anti-rotation device 6 further operates the sprocket 6b operatively engaged with the drive chain 1a of the upper traveling portion of the belt conveyor 1, and the rotation shaft 6c of the sprocket 6b and the rotation shaft 6d of the rotation disk 6a at a predetermined rotation speed ratio. A rotating disk drive device 6f including an endless chain 6e to be engaged is provided. Three concave portions 6g are formed on the outer peripheral portion of the rotating disk 6a at equal intervals in the circumferential direction. The shape of the recess 6g is a curved shape along the outer shape of the shoulder of the upper half of the poultry carcass. By the rotating disk drive device 6f, the pair of left and right rotating disks 6a are interlocked with the movement of the upper and lower support members 2 and eventually in conjunction with the movement of the upper half 100 of the edible carcass, FIG. Rotate in the direction indicated by the double arrow in 5 (a), and receive the pair of left and right shoulders of the poultry carcass upper half 100 into the pair of left and right recesses 6g, between the neck and the pair of left and right shoulder joints A pair of left and right recesses 6g abut on the pair of left and right shoulders from above, and cooperate with the upper and lower support members 2 to prevent rotation of the upper half 100 of the poultry carcass about the vertical axis. The recess 6g formed in the outer peripheral portion of the rotating disk 6a that rotates in conjunction with the movement of the upper and lower support members 2 can be reliably engaged with the shoulder portion of the upper half 100 of the poultry carcass.
Three recesses 6g formed on the outer peripheral portion of the rotating disk 6a at equal intervals in the circumferential direction are sequentially brought into contact with the shoulders of the upper half portion 100 of the poultry carcass that arrives one after another. Rotation of the upper half 100 around the vertical axis is prevented. It is possible to continuously support the plurality of edible carcass upper halves 100 by one rotation of the rotating disk 6a, and the consumption of the rotating disk 6a is suppressed.
Since the concave portion 6g is a curved shape along the outer shape of the shoulder portion of the upper half of the poultry carcass, the length of the contact portion with the poultry carcass shoulder portion is large, and the rotation preventing function is excellent.
Since the forward movement of the vertical support member 2 and the rotation of the rotating disk 6a are simple movements, they can be accurately linked by the above-described mechanical interlocking mechanism.

  Three sensor dogs 9a are fixed to the outer peripheral edge of the disk fixed to the rotating shaft 6d of the rotating disk 6a at equal intervals in the circumferential direction. The sensor dog 9a and the concave portion 6g are disposed so as to be shifted from each other by 60 degrees in the circumferential direction. A proximity sensor 9b is disposed directly opposite the sensor dog 9a at the uppermost position. When any recess 6g of the rotating disk 6a is in contact with the shoulder of the poultry carcass 100 from above, the sensor dog 9a spaced 180 degrees from the recess 6g in the circumferential direction is at the uppermost position, and the proximity sensor 9b Detects the approach of the sensor dog 9a, and the recess 6g of the rotating disc 6a abuts on the shoulder of the upper half of the poultry carcass 100 from above to rotate around the upper and lower axes of the upper half 100 of the poultry carcass. Detects that it is preventing.

As shown in FIGS. 2A and 6, the second cutting blade 7 includes a pair of left and right straight blades 7a, a straight blade driving device (not shown) that drives the straight blade 7a up and down, and a shoulder joint position detection device 4. A straight blade positioning device (not shown) for positioning the straight blade 7a above the detected left and right shoulder joint positions is provided. Before the poultry carcass upper half 100 arrives at the position where the rectilinear blade 7a is disposed, the rectilinear blade positioning device receives the detection signal of the shoulder joint position detecting device 4, and the left and right rectilinear blades 7a are Position above the shoulder joint position. Upon receipt of the detection signal from the proximity sensor 9b, the straight blade driving device is activated, and the pair of left and right straight blades 7a approach the pair of left and right shoulder joints of the upper half of the poultry carcass from above, and the pair of left and right rotations The pair of left and right shoulders formed by the blade 5a are guided by the opening portions of the left and right shoulders to enter the pair of left and right shoulder joints, and the remaining tendons left by the pair of left and right rotary blades 5a are cut. Since the rotation of the upper half 100 of the poultry carcass around the vertical axis is prevented, the rectilinear blade 7a can surely enter the mouth opening of the shoulder joint, and the remaining tendon can be cut reliably. Can do. As a result, the pair of left and right dorsal tendons, upper tendon, and thoracic tendon of the pair of left and right shoulder joints are completely cut. Immediately after the tendon is cut, the rectilinear blade 7a moves upward and moves away from the upper half 100 of the poultry carcass.
The rectilinear blade 7a sequentially cuts the remaining tendons of the shoulder joints of the upper half 100 of the edible carcass arriving one after another.

  In the above embodiment, the upper side of the edible carcass carcass 100 is externally fitted to the upper and lower support members 2 with the back side facing forward, but the upper side of the edible carcass body with the chest side facing forward. The portion 100 may be fitted outside the upper and lower support members 2.

INDUSTRIAL APPLICATION This invention can be widely utilized for the operation | work which cut | disconnects the tendon of a poultry carcass shoulder joint part.

DESCRIPTION OF SYMBOLS 1 Endless belt conveyor 2 Vertical support member 3 Pushing device 4 Shoulder joint position detection device 5 1st cutting blade 6 Anti-rotation device 7 2nd cutting blade 8 Contact-type displacement sensor 9a Sensor dog 9b Proximity sensor

Claims (3)

A vertical support member that fits from below into the chest cavity of the upper half of the edible carcass with the head removed and the internal part removed, and supports the upper half of the edible carcass vertically, and the edible carcass A pair of left and right cutting blades for cutting a plurality of left and right tendons for connecting a pair of left and right heel bone upper ends of the left and right shoulder joints of the upper half and a pair of left and right humerus upper ends; after 1 cutting blade has cut the dorsal or breast side of the tendon in tendon of the left and right pairs, second cutting blade pair disconnects the remaining tendon in tendon of the left and right pairs, first cutting blade It is a rotary blade, the second cutting blade is a rectilinear blade, and abuts from above on the left and right shoulders between the neck of the upper half of the poultry carcass supported by the upper and lower support members and the left and right shoulder joints. The anti-rotation device prevents rotation of the upper half of the poultry carcass around the vertical axis, and the second cutting blade is prevented from rotating around the vertical axis by the anti-rotation device. Cut the tendon at the shoulder joint of the upper half of the carcass, the upper and lower support members move in a predetermined direction, and the anti-rotation device comprises a rotating disc that rotates in conjunction with the movement of the upper and lower support members. The contact portion with the shoulder is a recess formed in the outer peripheral portion of the rotating disk, and the first cutting blade is moved to the shoulder joint portion of the upper half of the poultry carcass in conjunction with the movement of the upper and lower support members. A first interlocking mechanism for approaching and separating and a second interlocking mechanism for causing the second cutting blade to approach and separate from the shoulder joint of the upper half of the poultry carcass in conjunction with the movement of the upper and lower support members. Equine carcass shoulder joint tendon cutting device. 2. The poultry carcass shoulder joint according to claim 1, wherein the contact portion of the anti-rotation device with the poultry carcass shoulder forms an upwardly curved portion along the shoulder outline. Tendon cutting device. Pushing which is arranged on the upstream side of the first cutting blade with respect to the moving direction of the upper and lower support members and presses the shoulder portion to a predetermined height by contacting the shoulder portion of the upper half of the poultry carcass supported by the upper and lower support members from above The apparatus for tendon cutting of a poultry carcass shoulder joint according to claim 1, comprising an apparatus.

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