JP6370034B2 - Uneven seaweed bundle removal device - Google Patents

Description

The present invention relates to a non-uniform seaweed bundle removing apparatus that eliminates a non-uniform seaweed bundle from a line during conveyance of a seaweed bundle in which a plurality of flat seaweeds are stacked.

  In the laver production line, the laver that is transported one by one from the laver drying device is inspected for quality by the inspection device and selected the acceptable products, and then multiple (usually 10) laver are stacked on the alignment device. Bundle them together to make a seaweed bundle, transport the seaweed bundle to a folding device, fold it into two, collect multiple folded seaweed bundles into a bundle, bundle this bundle with paper tape using a binding device, and ship it in a box doing.

  When transporting a laver bundle with a pile of flat seaweed, as shown in FIG. 4, when the flat seaweed n of the laver bundle N is shifted in the front-rear direction or the left-right direction and is loaded into the folding device in an irregular state. However, there is a problem that the product is rejected by being folded in half.

  Therefore, a laver bundle transport device has been proposed that can sort out and remove irregularly rejected products from the alignment device to the folding device and carry only the accepted products into the folding device. (See Patent Document 1).

  In Patent Document 1, as shown in FIG. 3, a laver bundle 30 is conveyed between an alignment device 31 that aligns the laver bundle 30 and a folding device 32 that folds the laver bundle 30 in two. The conveyor 33, the second conveyor 34, and the third conveyor 35 are sequentially arranged.

  A gate-shaped frame 36 is installed on the entry side of the first conveyor 33, and a first sensor 37 that detects seaweed projecting from the first conveyor 33 to both sides is provided on both sides of the upper surface of the frame 36. A pair of second sensors 38 are provided in the upper center of the frame 36 for detecting a shift in the transport direction.

If the irregularity of the laver bundle 30 conveyed by the first conveyor 33 is detected, the second conveyor 34 is rotated upward to switch the conveyance path of the laver bundle 30 to the collection box 39 side. Is transferred to a lower collection box 39, and a laver bundle conveying device is described in which only a good laver bundle 30 whose posture is not collapsed is sent to a folding device 32 by a third conveyor 35.

Japanese Patent Laid-Open No. 08-002748

  In the transport device described in Patent Document 1, a belt conveyor that transports a laver bundle is divided into a plurality of first to third conveyors, and each of the three conveyors drives a frame and a conveyor constituting the conveyor. A transmission system such as a motor is required for each of the three conveyors. The second conveyor is not only a transmission system for driving the conveyor but also for transferring rejected products to a collection box. A mechanism for tilting the conveyor in the forward and reverse directions is required.

  Furthermore, since a collection box for collecting rejected products must be placed under the belt conveyor, it is necessary to raise the level of the belt conveyor or to adjust the level with the front and rear processing equipment in order to secure space for it. It becomes.

  For these reasons, the conveyance device described in Patent Document 1 not only has a complicated structure and drive mechanism, but also requires three new belt conveyors, and almost always uses an existing belt conveyor. There is a disadvantage that it can not.

  Therefore, the present invention provides an uneven laver bundle removing device that can eliminate an uneven laver bundle during conveyance without dividing the conveyor into a plurality of parts and without being tiltable.

In the invention of claim 1 of the present application, a deviation in the vertical direction and / or the horizontal direction is detected by the deviation detection device among the laver bundles being conveyed while being carried between the pair of belts of the laver bundle conveyor belt conveyor that conveys the laver bundles. A laver bundle discharging device that discharges the irregular laver bundle to the outside of the laver bundle conveyor belt conveyor and is fixed to a rotary shaft so as to be rotatable in a direction orthogonal to the laver bundle conveying direction, and the laver bundle discharging device In the uneven seaweed bundle removing device for removing the uneven seaweed bundle from the belt conveyor, which is disposed so as to fit under the belts on both sides of the bundle transport belt conveyor, the deviation detecting device is configured to A lateral deviation detection sensor for detecting a lateral deviation of the laver bundle provided at a laver bundle carry-in entrance, and disposed before and after the uneven laver bundle removal apparatus in the transport direction, The rotary shaft is configured by a vertical shift sensor that detects a vertical shift of the laver bundle, and one end of the rotary shaft to which the discharge plate is fixed is coupled to a disc of the rotary shaft of the motor, and the other end is a tension coil spring. A sprocket that rotates with a chain connected to the belt is fixed, and the discharge plate is disposed between the pair of belts and below the pair of belts, and according to a detection signal of the deviation detection device, By rotating the disk of the motor, the pair of belts is lifted to support and lift the uneven laver bundle on the pair of belts from below, and then raised by the outward rotation of the laver bundle conveyor belt conveyor. releasing the irregular seaweed bundle to the outside of the seaweed bundle conveying belt conveyor, a disc of the motor is laid down to the standby position by the reverse rotation by the tension coil spring with one rotation Is irregular laver bundle displacement apparatus, characterized in that the output plate.

  In the present invention, the conveyor for transporting the laver bundle from the flat laver aligning device to the laver bundle bending device is composed of a continuous transport conveyor without being divided, so the control and structure of the conveyor as compared with the divided conveyor Is simple and reduces the number of parts.

  In the present invention, when the lateral deviation detection sensor 6 and the vertical deviation detection sensor 7 are arranged on the laver bundle conveying belt conveyor, they are arranged on the lower side without exceeding the level of the laver bundle conveyed by the belt conveyor, When the worker goes beyond the conveyance path, the detection sensors 6 and 7 do not get in the way of crossing the conveyance path or do not need to make a detour.

  In the present invention, since the uneven laver bundle discharging device is arranged independently independently without being connected to the transfer conveyor, it is possible to use the existing transfer device without newly providing a plurality of transfer devices. .

  Maintenance inspection can be easily performed by pulling out the uneven laver bundle discharging device from under the conveyor.

It is a plane which shows the uneven laver bundle exclusion apparatus of this invention. The operation | movement of the discharge plate of the uneven laver bundle discharging apparatus of this invention is shown, (a) is a figure which shows the state which the discharge plate is waiting, (b) is a figure which shows the state which the discharge plate is rising, (c) ) Is a view showing a state in which the discharge plate is rotated. It is a figure which shows the conveying apparatus of the cited reference 1. The state where the seaweed has shifted is shown, (a) shows a state where the seaweed is shifted in the vertical direction, (b) a state where the seaweed is shifted in the horizontal direction, and (c) a state where it is shifted in both directions.

  An embodiment of the present invention will be described with reference to FIGS.

  The uneven seaweed bundle removing device of the present invention is disposed between belt conveyors that convey a seaweed bundle in a seaweed production line. For example, as shown in FIG. 1, the uneven seaweed bundle removing device 1 is a next step of folding a seaweed bundle discharged from an aligning device 2 into a seaweed bundle by converging and aligning flat seaweed in a seaweed production line. It is arranged on a laver bundle conveyor belt conveyor 4 that conveys it to the laver bundle bending device 3.

  The laver bundle conveying belt conveyor 4 is composed of belt-like or string-like belts 5 arranged in parallel at intervals, and both sides of the laver bundle are supported and conveyed.

  The uneven seaweed bundle removing device 1 is disposed so as to be fitted under the belt 5 on both sides of the nori bundle conveying belt conveyor 4.

  The detection sensor for detecting the deviation of the laver bundle is composed of, for example, a lateral deviation detection sensor 6 for detecting the lateral deviation of the laver bundle and a vertical deviation sensor 7 for detecting the vertical deviation (conveying direction) of the laver bundle. The Each sensor is not particularly limited as long as it can detect a deviation by an optical method or a contact method, and can output the detected electrical signal to the miscellaneous seaweed bundle removing device, and a known sensor should be used. Can do.

  In this embodiment, a contact-type detecting device that detects a lateral shift by a contact attached to a gate-shaped gate 8 provided at a gate-shaped gate 8 provided at a laver bundle entrance of a laver bundle conveyor belt conveyor. A lateral deviation detection sensor 6 is arranged.

  The vertical deviation detection sensor 7 is arranged in the front and rear in the conveying direction of the laver bundle removing apparatus 1 with uneven optical sensors, and when the laver bundle exceeds the front and rear sensors, a vertical deviation is detected.

In addition, when the laver bundle bending device stops functioning due to a malfunction, the laver bundle accumulates on the line, but when the vertical deviation detection sensor detects it, it sends a signal to the inspection device and laver automatic drying device, Can be automatically stopped to prevent the passed seaweed bundle from being fed and damaged.

  Further, when the lateral deviation detection sensor 6 and the vertical deviation detection sensor 7 are arranged on the laver bundle conveying belt conveyor, the detection sensors 6 and 7 are arranged below the conveyance path level of the laver bundle so that the operator can convey the conveyance path. When going to the other side, the detection sensors 6 and 7 do not get in the way of crossing the conveyance path or do not need to go around.

  When a deviation is detected in the laver bundle, a detection signal is output and transmitted to the control unit of the uneven laver bundle removing apparatus 1. In the control unit, the irregular laver bundle is stored, and a timing for driving a discharge plate 10 to be described later that is rotated to release the irregular laver bundle is calculated.

  As shown in FIG. 2, the uneven seaweed bundle removing device 1 includes a non-uniform seaweed bundle discharging device 9 in which a discharge plate 10 that rotates in a direction perpendicular to the conveying direction of the seaweed bundle is rotatably fixed to a rotating shaft 11. Yes.

The discharge plate 10 receives the laver bundle N on the belt 5 from the lower side, lifts the laver bundle by rotation, rotates it, releases it to the outside of the belt, and collects it in the collection box 17.

  The discharge plate 10 rotates the sprocket 14 fixed to the rotary shaft 11 by pulling a chain 13 having one end coupled to the disc of the rotary shaft of the motor 12.

A tension coil spring 15 is connected to the other end of the chain 13. When the motor disk 16 rotates once, the chain 13 is returned to the opposite direction by the tension coil spring 15 and the discharge plate 10 that has stood up rotates in the reverse direction. Lie down and return to the horizontal standby position.

  The operation of removing the uneven seaweed bundle by the uneven seaweed bundle removing apparatus of this embodiment will be described.

  When the laver bundle N discharged from the aligning device 2 and transported by the laver bundle conveyor 4 passes through the gate 8, if there is a lateral shift, the flat laver that protrudes laterally contacts the lateral shift sensor 6. A deviation is detected upon contact with the child, and a detection signal is output and transmitted to the control unit of the uneven laver bundle removing apparatus 1. The control unit recognizes the laver bundle in which the lateral deviation is detected, calculates the rotation timing of the discharge plate 10, and when the laver bundle N reaches the discharge plate 10, as shown in FIGS. 2 (a) to 2 (c). , The discharge plate 10 rises between the pair of belts 5 of the belt conveyor 4 to support and lift the uneven laver bundle N on the belt 5 from below, and then rotates toward the outside of the belt conveyor 4 to shift the uneven laver bundle. N is discharged into the collection box 17.

The laver bundle conveyed by the laver bundle conveyor 4 reaches the vertical deviation detection sensor 7, and when there is a deviation in the vertical direction, the vertical deviation sensor 7 detects the vertical deviation of the vertically aligned laver bundle, and the detection signal is 2 is output and transmitted to the control unit of the uneven seaweed bundle removing device 1 to calculate the rotation timing of the discharge plate 10, and when the seaweed bundle reaches the discharge plate 10, as described above, as shown in FIGS. ), The discharge plate 10 is lifted between the pair of belts 5 of the belt conveyor 4 to support and lift the irregular seaweed bundle N on the belt 5 from below, and then rotated toward the outside of the belt conveyor 4. The misaligned laver bundle N which is vertically shifted is discharged into the collection box 17.

  Thus, if there is a lateral shift or a vertical shift in the laver bundle, it can be detected by the shift detection sensors 6 and 7 and excluded from the production line, and can be prevented from being conveyed to the next process.

1: Unequalized laver bundle removing device 2: Aligning device 3: Nori bundle bending device 4: Nori bundle conveying belt conveyor 5: Belt 6: Horizontal displacement detection sensor 7: Vertical displacement detection sensor 8: Gate-shaped gate 9: Uneven laver bundle Discharge device 10: Discharge plate 11: Rotating shaft 12: Motor 13: Chain 14: Sprocket 15: Tension coil spring 16: Disc 17: Collection box N: Nori bundle 30: Nori bundle 31: Alignment device 32: Bending device 33 : First conveyor 34: Second conveyor 35: Third conveyor 36: Frame 37: First sensor 38: Second sensor 39: Collection unit

Claims (1)

Among the laver bundles that are being transported on a pair of belts of the laver bundle conveyor belt conveyor that conveys the laver bundles, the laver bundles in which the misalignment laver bundles whose longitudinal and / or lateral deviations are detected by the misalignment detector are detected. A discharge plate that discharges to the outside of the conveyor belt conveyor is provided with an uneven laver bundle discharge device that is fixed to a rotating shaft so as to be rotatable in a direction orthogonal to the transport direction of the laver bundle, and belts on both sides of the laver bundle conveyor belt conveyor In the uneven seaweed bundle removing device that is arranged to fit in the lower side and excludes the uneven seaweed bundle from the belt conveyor,
The deviation detection device is arranged in front and rear in the conveyance direction of the laver bundle conveying device, and a lateral deviation detection sensor for detecting a lateral deviation of the laver bundle provided in a laver bundle carry-in entrance of the laver bundle conveyance belt conveyor. Is constituted by a vertical deviation sensor that detects a vertical deviation of the laver bundle,
The rotating shaft to which the discharge plate is fixed is fixed with a sprocket that rotates with a chain having one end coupled to the disk of the rotating shaft of the motor and the other end connected to a tension coil spring,
The discharge plate is disposed between the pair of belts and below the pair of belts, and is raised between the pair of belts by rotation of the motor disk in response to a detection signal of the deviation detection device. The uneven seaweed bundle on the pair of belts is supported and lifted from below, and then raised by rotating the nori bundle conveying belt conveyor in the outer direction to release the uneven seaweed bundle to the outside of the nori bundle conveying belt conveyor. The uneven laver bundle removing device, wherein the disc of the motor is a discharge plate that reversely rotates by the tension coil spring and falls to a standby position when the disk rotates once.

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