JPS6033453B2 - Fish cutting processing automation equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a fish cutting device in a quick canning factory.

Traditionally, the cutting process of fish at quick canning factories uses a rotary cutting cutter with a fixed position, and the worker manually aligns the posture of the fish and determines the cutting position.

Cutting operations using such equipment require a lot of manpower and are carried out in a hostile environment due to water and bad odors.Furthermore, the yield of processed fish meat parts varies, and there are There were drawbacks such as contamination. This invention eliminates the above-mentioned drawbacks and improves the productivity of fish cutting, reduces processing costs, shortens the processing time, improves processing speed, stabilizes the quality of processed products, and relieves work in adverse environments. The aim is to provide an automated fish cutting processing device that is effective for such purposes.

The present invention will be explained below based on the drawings.

FIG. 1 is a side view schematically showing an automated fish cutting apparatus according to an embodiment of the present invention, and FIG. 2 is a plan view of the same.
In the figure, reference numeral 1 denotes a supply chute, and the fish to be cut is inputted from the supply chute, slides down, is placed on a carry-in conveyor 2 connected to the supply chute 1, and then proceeds in the direction of a bucket conveyor 3 for transporting fish. The solid arrow in the figure indicates the direction in which the fish are moving. The fish on the carry-in conveyor 2 are placed one by one into a bucket 4 installed on a bucket conveyor 3 manually by an operator. Figure 3 is a perspective view of the bucket 4, which has a protrusion 4a at one end of the bottom plate, which serves as an operating dog for a proximity switch or photoelectric switch, and a plurality of comb teeth 4b with a concave central part on the bottom plate. It is provided upright and has a comb shape, 4c is a reference line, and a fish is placed in the recessed part of the teeth 4b of the comb. Furthermore, it is convenient that the bucket 4 is made of black or white in order to increase the contrast between light and dark with the fish. This manual process requires only the head, tail, back, and belly of the fish to be placed in the specified direction. Thus, each fish is placed in bucket 4.
and is carried in the direction of the solid line arrow to the sensor box 5.
leading to. Inside the sensor box 5 there is a bucket position sensor 6, for example a proximity switch or a photoelectric switch.
A television camera 7 and a strobe illuminator 8 are built in as imaging means, and both are connected to a control device 9. When the bucket 4 loaded with fish is carried by the bucket conveyor 3 and enters the sensor box 5, the bucket position sensor 6 is activated by the protrusion 4a of the bucket 4, and at the same time, the strobe illuminator 8 is turned on. This lighting time is short and the image of the fish that enters the television camera 7 is temporarily in a still state to establish a video signal. If the bucket conveyor 3 moves in steps, it is also possible to configure the bucket conveyor 3 without providing the strobe illuminator 8 and to use the television camera 7 to take pictures only when the bucket conveyor 3 is stationary. The video signal from the television camera 7 is sent to the control device 9, which measures the body length of the fish, and calculates position control signals for each rotary cutting cutter based on the body length of the fish. Rotary cutter 10 for cutting the tail, rotating cutter 11 for cutting the head,
Then, it is sent to a rotary cutter 2 for cutting the same part. The rotary cutter 10 for cutting the tail, the rotary cutter 11 for cutting the head, and the rotary cutter 12 for cutting the body are each equipped with a servo drive mechanism whose position can be moved by a signal from the control device 9, and can be moved. When the position control signal is sent, the servo drive mechanism is driven, and the rotary cutter 10 for cutting the tail, the rotary cutter 1 for cutting the head, and the rotary cutter 12 for cutting the chest move in accordance with the signals and reach predetermined cutting positions. Set. The direction of movement is the width direction of the bucket conveyor, that is, the direction of the dashed arrow shown in FIG. (The control device 9 will be described later.) In this state, the bucket 4 loaded with the fish is further conveyed by the bucket conveyor 3 to the rotary cutter 1 for cutting the tail, where the tail of the fish is cut off. Ru. The severed tail portion is transferred to the tail discharge chute 13 and discharged, and the fish portion of the fish is further conveyed along with the bucket 4 by the bucket conveyor 3, and reaches the rotary cutter 1 for cutting the head, where the head portion of the heron is removed. severed,
The severed head portion moves to the head discharge chute 14 and is discharged. When cutting the tail and head of a fish, reduce the adhesion of meat to the tail and head, and also make sure that part of the tail and head does not get mixed into the same part, and that internal organs are not mixed with the head. The rotary cutter 10 for cutting the tail and the rotary cutter 1 for cutting the head are placed in the most appropriate cutting position such that the cutter 10 is discharged.
1 is set by the control device 9. The Tsukioka part of the fish, from which the tail and head have been cut off, is further conveyed by the bucket conveyor 3 together with the bucket 4, and reaches the rotary cutter 13 for cutting the chest, where the body part is cut into predetermined sizes. Bucket conveyor 3
It is transferred to a carry-out conveyor 15 disposed on the carry-out side of the machine and sent to the next process. Next, the control device 9 will be explained based on the block diagram shown in FIG. In the figure, bucket conveyor 3
A television camera 7 takes a picture of the fish, and the video signal of the fish enters the amplification circuit 17 of the control device 9, where it is amplified and then converted from an analog quantity to a digital quantity by a digitization circuit 18. An image of the fish is established on a digital plane, and then the body length measurement circuit 19 and the reference length measurement circuit 201 are entered. Since the digital values of the video image of the fish and other areas are quite different, by counting the number of TV scanning lines until this digital value changes, the body length and position of the fish can be detected. The measurement circuit 19 measures the total length 1 of the fish shown in FIG. 5 based on this digital quantity, and the latter reference length measurement circuit 2
At 0, a reference length lb indicating the position of the fish in FIG. 5 is measured based on this digital quantity. This fifth
The figure is a plan view showing the relationship between the position of the fish to be cut, the reference line of the bucket, and the cutting position of the fish, where 4c is the reference line of the bucket 4 (see Figure 3 above), and lb is the reference line 4c.
This is the standard length that indicates the position of the tip of the fish. 10A
12A and 128 indicate the cutting position of the tail, 12A and 128 indicate the cutting position of the same part, and 11A indicates the cutting position of the head.The total length of the fish is expressed by 1, and the length from the tip of the head to the tail cutting position is shown. lcl, the length of the head portion is expressed as lc2, and the lengths of the three body parts are expressed as lc3, lc4, -c5, respectively.

After the total length 1 of the fish is measured by the body length measuring circuit 19, the cutting position is determined according to the size of the total length 1 of the fish based on the ratio of the cutting position of the fish to the total length 1 set in the setting circuit 21. In other words, since the fish are monomorphic, the length lcl from the tip of the fish's head to the tail cutting position 10A is proportional to the total length 1, so the ratio (n%) is set in the setting circuit 21, and I
CI=product oxl is calculated by the female calculation circuit 22. Also, since the length ls from the tip of the fish's head to the sea bream 16 is proportional to the total length 1, its ratio (m%) is simulated by the setting circuit 2. IS = band o
xl, and the appropriate length to the head cutting position 11A is lc2, which is the length to the sea bream IS'. IC2 = high o x 115 is calculated by the calculation circuit 22. Chest part lc to be cut at the same ear cutting position 12A
The length of 3 is also calculated by the calculation circuit 22 using the same method as above,
Further, the length of the head portion lc2 is added to the length of this lc3, but the length of the monthly portion lc4 is not calculated and is a predetermined length. That is, the two blades of the rotary cutter 2 for cutting the trunk are fixed at a pitch lc4.
In this way, the respective dimensions lcl, lc2, lc2 and lc3 from the tip of the fish's head to the tail cutting position 10A, head cutting position 11A, and ear cutting position 12A are determined, and are determined by the digital addition circuits 23, 24, and 25 in the next step. The reference length lb from the reference line 4c to the tip of the fish's head is added,
This is the position setting value for the cutter for cutting each part. That is, the digital addition circuit 23 adds lb+lcl to obtain the position from the reference line 4c to the tail cutting position 10A, and the digital addition circuit 24 adds lb+lc2 to obtain the reference line 4c.
The digital addition circuit 25 adds lb+lc2+lc3 to determine the position from the reference line 4c to the head cutting position 12A. The position of the trunk cutting position 12B is determined automatically once the trunk cutting position 12A is determined because the two blades of the rotating cutter 2 for cutting the trunk 2 are fixed as described above.
The position setting value signal is input to a correction circuit consisting of shift register circuits 23A, 24A, and 25A in the next step. Each shift register circuit 23A, 24A, 25A is configured to be shifted by a bucket position signal from the bucket position sensor 6, and each shift register circuit 2
The number of stages 3A, 24A, 25A is determined by the number of buckets 4 that can be located within the distance between the sensor box 5 and each cutter 10, 11, 12. With this configuration, when the fish photographed by the sensor box 5 is transported to each cutter 10, 11, 12, a layer control signal is output to each cutter 0, 11, 12. It is possible to correct the time delay between photographing and actual cutting. After this, the signal is sent to the servo drive circuit 10c,
11c and 12c, and further enters the respective servo drive mechanisms of the rotary cutter 10 for cutting the tail, the rotary cutter 1 for cutting the head, and the rotary cutter 2 for cutting the trunk. Here, each servo drive mechanism is driven to move and set each rotary cutting cutter to a predetermined position. If the blade of each rotary cutting cutter is set so that it comes to the comb teeth 4b of the bucket 4, the blade will be damaged during cutting, so the blades are controlled so that they do not come to the comb teeth. The servo drive mechanism of each rotary cutting cutter is provided with a cutter blade position dangerous zone setting. According to the above-mentioned method, the fish cutting process does not require manual work by the operator each time, and the cutting position of the fish is automatically set and cut, which improves the productivity of fish cutting process, reduces processing costs, It is possible to provide an automated fish cutting processing device that is effective for short-time processing, improved yield, stable processed product quality, and relief from work under adverse environments.

In addition to cutting fish, this device can also be used to cut large quantities of fruits and vegetables such as cucumbers and eggplants in pickle factories.

[Brief explanation of the drawing]

Fig. 1 is a side view schematically showing an automated fish cutting device according to an embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is a perspective view of the bucket, and Fig. 4 is a block diagram of the control device. , 5th
The figure is a plan view showing the relationship between the position where the fish to be cut is placed, the reference line of the bucket, and the cutting position of the fish. 1: Supply chute, 2: Loading conveyor, 3: Bucket conveyor, 4: Bucket, 5: Seso box, 6: Bucket position sensor, 7: Television camera, 8: Strobe illuminator, 8c, 10c, 12c: Servo drive circuit ,9
: Control device, 10: Rotary cutter for cutting the tail, 11: Rotary cutter for cutting the neck, 12: Rotating cutter for cutting the neck, 1
3: Tail transport chute, 14: Head transport chute, 15
: Unloading conveyor, 17: Increase circuit, 18: Digitization circuit, 19: Body length measurement circuit, 20: Reference length measurement circuit, 2
1: Setting circuit, 22: Arithmetic circuit, 23, 24, 25: Digital addition circuit, 23A, 24A, 25A: Shift register circuit. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] 1. The carry-in side is connected to a carry-in conveyor connected to a supply chute, the carry-out side is connected to a carry-out conveyor, and both sides are connected to a tail discharge chute, a head discharge chute, and a bucket conveyor for transporting fish, and a predetermined conveyor. A bucket position sensor is installed at a certain position and detects the moving bucket and transmits a bucket position signal, and the fish detected by the position sensor is imaged in synchronization with the bucket position signal to identify the fish. It has an imaging means for transmitting an image signal, and a servo drive mechanism that is installed closer to the carry-out conveyor than the installation position of the bucket position sensor and that can move in a direction perpendicular to the moving direction of the bucket conveyor. Calculates the cutting position of the fish by inputting the rotary cutter for cutting the tail, the rotating cutter for cutting the head, and the rotating cutter for cutting the body, the bucket position signal, and the image signal, and drives the cutters to the cutting position. A control device that controls positioning by a mechanism, and the control device includes a digitization circuit that converts an image signal transmitted from the imaging means from an analog quantity to a digital quantity, and measures the body length of the fish based on the digital quantity. body length measuring means; a reference length measuring means for measuring a reference length from a reference position in the bucket to the position of the tip of the fish's head based on the digital quantity; a calculation means for calculating a position setting value; and a time delay corresponding to the distance between the position imaged by the imaging means and the installation point of each cutter based on the bucket position signal from the bucket position sensor. An automated fish cutting processing apparatus comprising: a correction means for outputting position setting values of each of the cutters to the servo drive mechanism. 2. In the automated fish cutting processing device according to claim 1, the calculation means includes a setting circuit for setting a ratio of the cut portion of the fish to the total length, and a ratio between the body length of the fish and the ratio set by the setting circuit. and an addition circuit that calculates the position setting value of each cutter by adding the reference length to each dimension calculated by this calculation circuit. A fish cutting processing automation device featuring: