JP5046082B2 - Sorting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sorting device capable of enhancing a sorting processing efficiency by performing an accurate processing operation in the case of mounting objects to be sorted one by one and metering and sorting them for each plate while carrying them in sorting plates in a form with a narrow width in a carrying direction, whose object is thin and long objects to be sorted such as long vegetables. <P>SOLUTION: Between a supply conveyor 1 and a sorting conveyor 3, a distributing and metering apparatus 4 for receiving the supplied objects to be sorted and alternately distributing them one by one to the front and back and mounting the respective distributed objects to be sorted on the respective sorting plates 2 at the front and back on the sorting conveyor 3 while metering them is provided. The metered objects to be sorted are alternately received at the front and back on the respective sorting plates 2 on the sorting conveyor 3. The object to be sorted dropped and supplied from a front side position is received on the sorting plate 2 immediately before or immediately after the sorting plate 2 which receives the object to be sorted dropped and supplied from a back side position and the respective sorting plates 2 are carried in a densely mounted state in the state without an empty plate. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention relates to a sorting conveyor in which a large number of sorting dishes are connected endlessly and rotated and conveyed. The present invention relates to a sorting device that alternately supplies the sorting dishes. It is suitable as a sorting device for potatoes, root vegetables, fruits, seafood, etc., and is particularly suitable for sorting long vegetables such as asparagus, buffalo and burdock.

  A number of sorting dishes are connected endlessly to the transport chain and rotated and transported, while the objects to be sorted are supplied and placed on each sorting dish, and they are weighed in the middle of the transportation and transported to the sorting position. A sorting conveyor technology is known in which the sorting tray is turned over to discharge the objects to be sorted to a predetermined sorting position.

  In the sorter-like sorter conveyor as described above, each sorter plate is configured to carry the items to be sorted one by one, and in particular, the conveyance direction for narrow items to be sorted such as long vegetables In the case of a narrow sorter, when placing an object to be sorted or weighing and sorting each dish while being transported, it is difficult to perform an accurate processing operation, and the sorting efficiency Can not increase.

The invention according to claim 1 is supplied from the supply conveyor 1 with the partition piece 5 for feeding and transporting the objects to be sorted W in a state of being partitioned between the front and rear partition pieces 5, and the supply conveyor 1. A sorting valve that receives and feeds the sorting object supplied for each partition between the sorting conveyor 3 that receives the sorting object W on the sorting tray 2 and discharges it to the sorting position while transporting it. 6 and the sorting object guided and supplied by the distribution valve 6 are alternately distributed and dropped onto the respective measuring instruments 7 before and after each one while being partitioned and rotated, and further on the sorting tray 2 of the sorting conveyor 3 A pair of feeding blade plates 8 before and after feeding out, a feeding guide plate 9 along the rotational peripheral surface of these feeding blade plates 8, and the measuring device 7 for receiving and weighing an object to be weighed guided by the feeding guide plate 9. It consists of weighing receiving plate 10 Prefecture, the supply con (A) receiving the objects to be sorted W supplied from 1 and distributing them alternately to the front A and the rear B, and feeding the sorted objects W to the feeding guide plate 9 to measure the terminal portion. The sorting device is configured to be placed on the sorting plates 2A and 2B before and after the sorting conveyor 3 while receiving and weighing by the receiving plate 10.

Wherein the supply conveyor 1 with partition piece 5, transport supplies put the object to be sorted matter W Te one addressed between the partition pieces 5 of the front and rear. The sorting objects W that are partitioned and supplied continuously one by one are forwarded by the sorting valve 6 that rotates in the sorting and weighing device 4 under a fixed interlocking timing with the feeding operation of the partition piece 5. A and B are alternately distributed one by one, and the sorting object W is guided to the front A side, then guided to the rear B side, and then to the front A side. The to-be-sorted objects W continuously fed from the supply conveyor 1 are alternately guided to the front A and the rear B one by one . These sorted articles W to be sorted are alternately supplied to the rotation regions of the feeding blade plates 8A and 8B which are arranged at the front and rear lower portions of the sorting valve 6 and rotate along the inner peripheral surface of the feeding guide plate 9. Is done. In each feeding blade plate 8, the sorting object W is supplied to the blade spacing portion 20 between the feeding blade plates 8 before and after the rotation direction, and the blade spacing portion 20 has a rotational phase ranging from the upper position to the lower position. Due to the movement, the object to be sorted W received by the feeding blade plate 8 is guided to the surface of the feeding guide plate 9 of the rotating peripheral surface portion, and is guided to drop to the lower weighing receiving plate 10. The to-be-sorted object W received by the weighing plate 10 is measured by the measuring device 7. The to-be-sorted object W received and weighed on the upper surface of the weighing receiving plate 10 is scraped by the rotation of the feeding blade plate 8 and dropped and supplied to the sorting tray 2 of the sorting conveyor 3 which is transported below. . The sorting tray 2B supplied by the rear feeding blade plate 8B is performed every other dish, and the empty sorting plate 2A to which the sorting object W is not supplied is sorted by the front feeding blade plate 8A. The supply and supply of the objects W are performed , and the continuous weighing and conveyance of the objects to be sorted W is performed so that the sorting tray 2 does not become empty . Since the weight of the sorting object W on each sorting tray 2 supplied by the sorting weighing device 4 has already been weighed in this way, the sorting conveyor 3 moves the weight to a predetermined sorting position based on this weighing. By carrying, each sorting tray 2 is overturned, and the sorting object W is sorted and discharged.

The invention according to claim 2, wherein sorting the weighing device 4, along the rotating outer periphery of the front and rear of each feeding vane plate 8, a feeding guide plate 9 along the rotation downward stroke section, the lower bottom A semi-cylindrical shape is formed by forming a weighing receiving plate 10 that is interlocked with the weighing instrument 7 and a feeding port 33 that is viewed on the sorting tray 2 of the sorting conveyor 3 at the end of the weighing receiving plate 10. As a configuration of the above, the object to be sorted W guided and supplied by the distribution valve 6 is received by the blade spacing portion 20 between the feeding blade plates 8 and dropped onto the weighing receiving plate 10 one by one while being partitioned and rotated. and out repeatedly onto sorting tray 2 of the sorting conveyor 3 from the feeding port 33 to meter receiving the sorted matter W guided by the feeding guide plates 9, placed in succession sorting tray 2 before and after.

The objects W to be sorted alternately forward and backward by the rotation of the distribution valve 6 are arranged at the front and rear lower portions of the distribution valve 6 and are respectively along the inner peripheral surface of the semi-cylindrical feed guide plate 9. The rotating blades 8A and 8B that rotate are alternately supplied to the rotation region. In each feeding blade plate 8, the sorting object W is supplied to the blade spacing portion 20 between the feeding blade plates 8 before and after the rotation direction, and the blade spacing portion 20 has a rotational phase ranging from the upper position to the lower position. By the downward movement, the object W received by the feeding blade plate 8 is guided to the feeding guide plate 9 surface of the rotating peripheral surface portion, and is guided to drop to the lower weighing receiving plate 10. The to-be-sorted object W received by the weighing receiving plate 10 falls faster than the rotational speed of the feeding blade plate 8 around the blade interval portion 20 and is received by the weighing receiving plate 10 at the lowermost end, and the feeding blade plate. 8 is used as a time required for measurement (measurement interval), and the measurement by the measuring device 7 is performed at this measurement interval. The object to be sorted W received and weighed on the upper surface of the weighing receiving plate 10 is scraped from the outlets 33A and 33B on the terminal end side by the rotation of the feeding blade plate 8, and is transferred to the lower side. 3 is dropped and supplied to the sorting tray 2. The sorting tray 2B supplied by the rear feeding blade plate 8B is performed every other dish, and the empty sorting plate 2A to which the sorting object W is not supplied is sorted by the front feeding blade plate 8A. The supply and supply of the objects W are performed , and the continuous weighing and conveyance of the objects to be sorted W is performed so that the sorting tray 2 does not become empty .

According to the first aspect of the present invention, the sorting objects W that are continuously supplied by the supply conveyor 1 are sorted by the sorting and weighing device 4 alternately in front A and rear B one by one. The sorting object W is guided by the feeding guide plate 9 while being rotated in a state of being partitioned by the rotational drive of each feeding blade plate 8, and is fed onto each weighing receiving plate 10 to perform the weighing action for each sorting object W , Further, the feeding blades 8 are arranged so that the sorting objects W respectively weighed at the front A and rear B positions are alternately received by the sorting trays 2 of the sorting conveyor 3 rotating under these. It is supplied by Ri good timing in the rotation interlocking. For this reason, even if conveyance of the to-be-sorted material W conveyed by the supply conveyor 1 is continuous, the weighing operation for weighing the to-be-sorted material W distributed to the front A and the back B and the supply operation for supplying to the sorting tray Therefore, accurate weighing and feeding to the sorting tray 2 can be performed, and feeding to the sorting tray 2 and sorting operation can be performed efficiently.

Further, the sorting object W received and fed out between the partitioning pieces 5 of the supply conveyor 1 is distributed to the front A and the rear B by the sorting valve 6 at each partitioning interval, and further to the sorted sorting. due to the divided maintained objects W by the feeding blades 8, the rotation of the pay-out vane 8, continuously sent to be sorted matter W can one addressed correctly distribute coming from the supply conveyor 1, Even if the object W is small or thin, the object W can be accurately distributed back and forth to one, accurately and efficiently weighed, and supplied to each sorting tray 2.

According to the second aspect of the present invention, each of the feeding blades 8 </ b> A in which the sorting object W that is alternately distributed between the front A and the rear B by the rotation of the distribution valve 6 is disposed at the front and rear lower portions of the distribution valve 6. In each feeding blade plate 8 that is alternately supplied to the rotation region of 8B and rotates along the inner peripheral portion of the feeding guide plate 9 in the semi-cylindrical form, the blade interval between the feeding blade plates 8 before and after the rotation. In the blade spacing portion 20, the object W received by the feeding blade plate 8 is moved downward in the rotational phase from the upper position to the lower position of the rotation of the blade spacing portion 20. and guided to the nine planes, it falls guiding the measuring receiving plate 10 the upper surface of the lower Tansoko side. The object to be sorted W received by the weighing receiving plate 10 drops faster than the rotational speed of the feeding blade plate 8 on the rear side of the blade interval portion 20 and is received by the weighing receiving plate 10 at the lowermost end, and the feeding blade A measuring interval that does not receive a feeding action by the plate 8 or a feeding resistance or the like is provided, and accurate weighing by the measuring device 7 can be performed at this measuring interval. The object to be sorted matter W which is metered received in the weighing receiving plate 10, by rotation of the vane 8 out該繰by scraping from the metering receiving plate 10 before the front end of Repetitive outlet 33, selected by a conveyor to be transported to the lower side 3 is dropped and supplied to each sorting tray 2, and the sorting tray 2B supplied by the rear feeding blade plate 8B is carried out every other dish. In addition, since the feed W of the sorting object W is fed by the front feeding blade plate 8A, the feeding speed by the front and rear feeding blade plates 8 can be moderated, and the series of the feeding blades 8 along the outer periphery of the rotation. In order to guide the workpiece W to the surface of the feeding guide plate 9 and the surface of the weighing receiving plate 10 formed on the semi-cylindrical curved surface, it is possible to perform accurate weighing while smoothly dropping and guiding the object W to be sorted. 2 can be supplied accurately and stably

  An example of a sorting device that sorts harvested asparagus vegetables based on the drawings is shown. On the machine base 15, a sorting object W, which is a long vegetable such as asparagus, is placed at the rear end. A replenishing conveyor 16 with a lug to be conveyed is provided, and on this front side, there is a partition piece 5 with which the workpiece W from the replenishing conveyor 16 is inherited and conveyed between the front and rear partition pieces 5. The supply conveyor 1 is provided so as to rotate in conjunction with each other, and a cutter 12 that cuts the length of the object W to be sorted is provided on the terminal end of the supply conveyor 1. Below the front end portion of the supply conveyor 1, a sorting conveyor 3 having a large number of sorting dishes 2 arranged endlessly is stretched in the front-rear direction and driven endlessly. The sorting tray 2 that is pivotably supported by a support shaft 18 extending between a pair of left and right chains 17 is formed with a narrow front-back width and a long left-right lateral width so that it can easily support a long object. When the object to be sorted W is discharged at the sorting position in the transporting process of the sorting conveyor 3, the sorting dish 2 is turned down around the support shaft 18 so as to be received by the sorting dish 2. The sorting object W is configured to be discharged to the sorting position based on the sorting instruction from the weighing device 7 and the controller. Below the sorting conveyor 3, a discharge chute 19 or a discharge hopper for picking up the items dropped from the sorting tray 2 is arranged. Between the lower part of the front end of the supply conveyor 1 and the upper part of the rear end start end of the sorting conveyor 3, the articles W to be sorted conveyed from the supply conveyor 1 are received, and alternately forward A and rear B. While being guided so as to be distributed, the distribution weighing device 4 is configured to measure and feed the powder to the lower sorting tray 2.

  Here, the sorting apparatus according to the present invention includes a supply conveyor 1 for loading and transporting the object to be sorted W, and a sorting position while receiving and transporting the object to be sorted W supplied by the supply conveyor 1 to the sorting dish 2. In response to the sorting conveyor 3 to be discharged, the sorting object W supplied from the supply conveyor 1 is received and distributed alternately to the front A and the rear B, and each sorted sorting W is weighed. On the other hand, the sorting device is provided with a sorting and weighing device 4 that is placed on each of the sorting plates 2A and 2B before and after the sorting conveyor 3. The objects W to be continuously supplied by the supply conveyor 1 are distributed one by one alternately in the front A and the rear B in the distribution weighing device 4, and the weighing action is applied to each of the objects W to be distributed. Furthermore, the objects to be sorted W weighed at the front and rear positions A and B are alternately supplied to and received by the sorting trays 2A and 2B of the sorting conveyor 3 rotating under these. It is done. For this reason, the sorting object 2A that has been supplied from the front position A is received by the sorting dish 2A that immediately follows or immediately after the sorting dish 2B that has received the sorting object W that is supplied from the rear position B. The sorting tray 2 can be transported in a dense state without an empty pan. Since the weight of the sorting object W on each sorting tray 2 supplied by the sorting weighing device 4 has already been weighed in this way, based on this weighing, a predetermined sorting is performed by the conveyance of the sorting conveyor 3. Each sorting tray 2 is tumbled by being conveyed to the position, and the sorting object W is sorted and discharged.

  In addition, the supply conveyor 1 is provided with a partition piece 5 for partitioning and placing the articles to be sorted W one by one, and the sorting and weighing device 4 receives the articles to be sorted W supplied for each partition before and after. A distribution valve 6 that rotates and distributes is provided. The object to be sorted W is placed on the supply conveyor 1 between the front and rear partition pieces 5 and supplied. It is conveyed to the front side by the rotation of the supply conveyor 1, and the articles W to be sorted between the partition pieces 5 are fed out one by one. When the sorting object 5 is fed and the sorting valve 6 rotates back and forth based on the feeding operation of the partition piece 5 and at a certain timing, the sorting W is guided to the front A side. Next, in order to guide to the rear B side, and then to the front A side, the objects W to be sorted continuously fed from the supply conveyor 1 are alternately switched to the front A and the rear B one by one. Can guide the distribution.

  In addition, the sorting and weighing device 4 receives the sorting object W guided and supplied by the sorting valve 6 and drops it onto the weighing machines 7A and 7B one by one while rotating and separating, and further, the sorting dish of the sorting conveyor 3 2, the feeding blade plates 8A and 8B fed upward, the feeding guide plate 9 along the rotational peripheral surface of the feeding blade plate 8, and the weighing instrument for receiving and weighing the object to be sorted W guided by the feeding guide plate 9. 7 is provided with a weighing plate 10. The sorting objects W that are alternately distributed between the front A and the rear B by the rotation of the distribution valve 6 are arranged at the lower part of the front A and the rear B of the distribution valve 6 to rotate the feeding blade plates 8A and 8B. Alternately supplied. In each feeding blade plate 8, the feeding blade plate is supplied to the blade interval portion 20 between the rotation blade plates 8 before and after the rotation, and the blade interval portion 20 moves by a rotational phase from the upper position to the lower position of the rotation. 8 is guided to the surface of the feeding guide plate 9 of the rotating peripheral surface and guided to drop onto the upper surface of the weighing receiving plate 10 on the lower side. The to-be-sorted object W received by the weighing plate 10 falls at a higher speed than the rotation speed of the feeding blade plate 8 positioned before and after the rotation direction and is received by the weighing plate 10 at the lowermost end. Sometimes, there is a time measurement interval that does not receive the feeding action by the subsequent feeding blade plate 8. The weighing by the weighing device 4 is performed at this time measurement interval. The to-be-sorted object W received and weighed by the weighing receiving plate 10 is scraped by the rotation of the subsequent feeding blade plate 8 and dropped and supplied to the sorting tray 2 which is transported below. The sorting tray B supplied by the rear B-side feeding blade 8B is performed every other plate, and the front A-side feeding blade 8A is used for the empty sorting tray 2A to which the article W is not supplied. Thus, the supply of the workpiece W is performed.

  Furthermore, on the supply conveyor 1, an alignment roller 11 that receives the bottom surface of the object to be sorted W and rotates to one side, and a cutter that cuts one side end of the object to be sorted W aligned by the aligning roller 11 12 is provided. When the object to be sorted W to be supplied between the partitioning pieces 5 of the supply conveyor 1 is a long object, the bottom surface of the object to be sorted W is contacted by the aligning roller 11 rotating during the conveyance, It is moved to the side and aligned. At this time, the object to be sorted W is positioned between the valleys between the front and rear partitioning pieces 5 and is guided to move along the partitioning pieces 5, so that even if the friction force by the aligning roller 11 is received, The conveying posture of the object W is not disturbed. And the one end part of this aligned to-be-sorted object W is made to act on the cutter 12, and is cut | disconnected by fixed length. In the case where the aligning roller 11 is set to be inclined upward in the conveying direction, the rotational peripheral surface of the aligning roller 11 is accurately positioned on the bottom surface even if the object to be sorted W is curved. It is possible to perform an accurate aligning action by sliding on the surface.

  Further, the replenishing conveyor 16 is formed in a pair of left and right, two-strip form with an appropriate interval, is spanned between the front and rear sprocket shafts 21, and is driven by a motor M1. Further, the supply conveyor 1 on the front side is stretched over the front and rear sprocket shafts 22 and is driven by the motor M1 together with the replenishing conveyor 16, the sorting conveyor 3, the feeding blade plate 8, and the like. A sprocket shaft 48 that spans the chain 17 of the sorting conveyor 3 is transmitted by the motor M1, and the sprocket shaft 23, the crankshaft 28, the sprocket shafts 21, 22 and the like are transmitted from the sprocket shaft 48 to the chain. The blade shaft 32 of the front and rear feeding blade plates 8 is transmitted from the sprocket shaft 23 to a chain. This supply conveyor 1 is configured by arranging bowl-shaped receiving plates 42 at regular intervals on the outer peripheral portion of a pair of left and right tennes 41 spanned between the front and rear sprocket shafts 22. A partition piece 5 having an appropriate height is formed from the receiving bottom 43 to form a wave conveyor. Moreover, it is comprised so that the base part of the long thing to-be-sorted object W and the front-end | tip side may be received over between the receiving plates 42 of this left and right two-way conveyor 1. The cutter 12 provided on the front end portion of the supply conveyor 1 is driven by a motor M2, and is closer to the root of the conveyor width of the conveyor so that the base side portion of the asparagus as the sorting object W is trimmed to a predetermined length. Is arranged. Further, the aligning roller 11 is installed in parallel between the left and right conveyors in the left and right conveyor intervals while the supply conveyor 1 is being conveyed. The roller shaft 24 of the aligning roller 11 is aligned with the conveying direction, and is inclined in a forwardly rising form. It is formed in an upwardly inclined shape toward the front. The aligning roller 11 is driven by a motor M3, and rotates so that the object to be sorted W is pushed and moved to the tip side of the object to be sorted W on the side opposite to the cutter 12 side. A guide plate 25 that slidably guides the front end of the object to be sorted W along the side opposite to the cutter 12 side of the supply conveyor 1 can be adjusted to move left and right, and the cutting length can be adjusted. it can. Further, a presser roller 44 is provided at the cutting position by the cutter 12 so as to press the workpiece W to be cut against the surface of the receiving base 43, and is fixed so as not to move the workpiece W when cutting. Make a proper cut. The presser roller 44 is made of a sponge rubber material or the like, and is provided at the distal end portion of a support arm 46 that is swingable up and down around the support shaft 45 with respect to the base 15 frame. Each time the workpiece W is pressed, the presser roller 44 can be pressed with an appropriate pressure while absorbing the position of the presser height by the elasticity of the presser roller 44 or the vertical movement. A piece cut by the cutter 12 is discharged to the outside by a discharge shooter 47 provided on the lower side.

  A guide plate 26 is provided at the front end portion of the supply conveyor 1 so as to cover the rotating peripheral portion of the partition piece 5 so as to guide the sorting object W so as not to jump out to the front side. The distribution valve 6 is supported on the lower end portion of the guide plate 26 so as to be rotatable around the valve shaft 27 in the lateral direction, and the crank rod 29 is rotated by the rotation of the crank shaft 28 interlocked with the supply conveyor 1 and the like. Is driven to rotate. A long hole 30 is formed in the front end portion of the crank rod 29, and the long hole 30 is fitted to an engaging pin 31 protruding from the side end portion of the distribution valve 6. At the swing end portion of the crank rod 29 in the front-rear direction, the engagement pin 31 is engaged by the rear end and the front end of the long hole 30 to make the distribution valve 6 comfortable. When the distribution valve 6 is rotated to the rear side, the sorting object W dropped from the upper supply conveyor 1 side can be guided to drop to the front A side of the distribution valve 6. When the valve 6 is rotated to the front side, the workpiece W is conversely guided to the rear B side. The distribution valve 6 is rotated in synchronization with the rotation of the partitioning piece 5 and the like of the supply conveyor 1, and the continuously supplied articles W are alternately distributed back and forth one by one and guided to fall. The distribution valve 6 may be provided with a toggle spring that maintains a pivot position that is pivoted back and forth, so that the crank rod 29 pivots against the toggle spring.

  In this way, a pair of front and rear feeding blade plates 8A and 8B are arranged below the front and rear sorting position by the sorting valve 6. Each of these feeding blade plates 8 is formed around the transverse blade shaft 32 in a substantially quadrant angle position in a substantially radial direction, and rotates in synchronization with the supply conveyor 1 while maintaining a certain phase difference. Interlock to rotate. These front and rear feeding blade plates 8 </ b> A and 8 </ b> B are arranged at symmetrical positions with respect to the distribution valve 6. A semi-cylindrical feeding guide plate 9 is provided along the rotational outer periphery of each feeding blade plate 8 over the lower side of the rotating side. A measurement receiving plate 10 having the same cylindrical extension is provided at the bottom of the lower end of the feeding guide plate 9. The front and rear weighing receiving plates 10A and 10B are supported by weighing devices 7A and 7B composed of front and rear load cells, and the weights of the objects to be sorted (weighed items) W placed on the weighing receiving plates 10A and 10B are measured. To be configured. The outlets 33A and 33B at the front ends of the front and rear weighing receiving plates 10A and 10B are opposed to the front and rear sorting dishes 2A and 2B. And if the to-be-sorted object W fed out from the rear outlet 33B is supplied to the sorting tray 2B, the to-be-sorted object W fed out from the front outlet 33A is not supplied from the outlet 33B. To the empty sorting tray 2A. The sorting conveyor 3 having the sorting tray 2 is driven at a certain interlocking timing with each of the feeding blades 8 and the supply conveyor 1 to supply the sorting object W to each sorting tray 2. Let it be done accurately.

  The sorting conveyor 3 is provided with guide rails 36 for guiding and sliding the sorting tray 2 in the conveying posture, and guide pins 37. The guide pins 37 provided on the lateral ends of the sorting tray 2 are arranged on the base 15 side. It is possible to convey the object to be sorted W in a posture in which it is supported by the guide rail 36 provided in the sliding guide and slidably guided. An open / close guide 38 is disposed at a midway selection position of the guide rail 36. Based on the measurement of the weighing instrument 7, the sorting position is determined via the controller, the electromagnetic switch 50 at the sorting position is output, the opening / closing guide 38 is opened, and the support sliding guide of the guide pin 37 is provided. Can be removed. By opening the opening / closing guide 38, the sorting tray 2 is rotated and turned around the support shaft 18, and the object W to be sorted is discharged to the chute 19 at a predetermined sorting position.

  One article W to be transported by the replenishing conveyor 16 is supplied to one piece between the front and rear partition pieces 5 of the supply conveyor 1. When this sorting object W is a long product such as asparagus, it is placed in a lateral orientation along the valley bottom plate 43 between the partitioning pieces 5. When transported by the rotation of the supply conveyor 1, the bottom surface of the object to be sorted W rides on the rotating aligning roller 11. The portion is pressed against the guide plate 25 on one side of the conveyor 1 and aligned. At this time, even if the long sorting object W is in a curved shape and partially lifted from the bottom plate 43, the sorting row 11 is inclined, so that the sorting object W is sequentially placed in accordance with the conveyance. 11, and the feed roller 11 is surely aligned to the guide plate 25 side by the aligning roller 11. The objects to be sorted W that are aligned by pressing the tip portion against the guide plate 25 in this way are cut at the roots at the rotational position of the cutter 12, and the lengths of the long objects to be sorted W are made uniform.

  Thus, the to-be-sorted item W conveyed to the front end portion of the supply conveyor 1 is guided by the guide plate 26 and dropped from the lower end portion. Each time the partition piece 5 is rotated in the dropping portion, the sorting valve 6 is rotated to the front side or the rear side, and the sorting object W is dropped to the front A side by the sorting valve 6. And the drop guidance is alternately carried out to the rear B side. At this time, the distribution valve 6 is rotated through the elongated hole 30 of the crank rod 29 due to the rotation of the crankshaft 28 and the engagement pin 31 engaged therewith. The rotation stop time of the distribution valve 6 can be maintained long, and the distribution drop guide of the object W to be sorted by the distribution valve 6 is accurately performed.

  The to-be-sorted object W guided to drop by the rotation of the distribution valve 6 is alternately supplied to the front and rear feeding blade plates 8A and 8B. The object to be sorted W supplied to each blade spacing portion 20 is received by these feeding blade plates 8, and with this rotation, the tip of the lower feeding blade plate 8 surface and the feeding guide plate 9. When the blade spacing part 20 reaches the weighing receiving plate 10 at the bottom, the object to be sorted W stops on the weighing receiving plate 10 even if the feeding blade 8 rotates. In this stop time interval, it is measured by the measuring instrument 7. When the weighing is finished, the sorting object W on the weighing receiving plate 10 is scraped to the feeding port 33 side by the rotation of the feeding blade plate 8 at the rear side of the blade interval portion 20. In this way, the object to be sorted W placed on the weighing plate 10 is placed in a state of being separated from the contact of the feeding blade plate 8 on the front side and the rear side of the same blade interval portion 20, so that the weighing by the measuring device 7 is performed. Can be done accurately.

  The side view of a distribution metering apparatus part.   The top view and side view of the whole sorting apparatus.   The rear view of the supply conveyor part.   The side view of the alignment roller part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Supply conveyor 2 (2A, 2B) Sorting plate 3 Sorting conveyor 4 Sorting metering device 5 Partition piece 6 Sorting valve 7 (7A, 7B) Weighing instrument 8 (8A, 8B) Feeding blade board 9 Feeding guide board 10 (10A) 10B) Weighing receiving plate 11 Alignment roller 12 Cutter

Claims (2)

A supply conveyor (1) with a partition piece (5) for feeding and transporting the objects to be sorted in a state of being partitioned between the front and rear partition pieces (5), and a selection object supplied from the supply conveyor (1) The sorting conveyor (3) that receives and transports the goods to the sorting tray (2) and discharges them to the sorting position. The valve (6) and the object to be sorted guided by the distribution valve (6) are received and distributed and rotated alternately onto the respective measuring instruments (7) before and after each one, and further sorted. A pair of front and rear feeding blade plates (8) to be fed onto the sorting tray (2) of the conveyor (3), a feeding guide plate (9) along the rotational peripheral surface of these feeding blade plates (8), and this feeding guide plate (9) of the measuring instrument (7) for receiving and weighing the object to be weighed Becomes because the amount receiving plate (10), along with distributed alternately one each before and after undergoing the sorted matter supplied from the supply conveyor (1), the each of the sorted matter is the distributed feeding guide plate (9) The distribution weighing device (4) for placing on the sorting trays (2) before and after the sorting conveyor (3) while being guided and fed by the weighing plate (10) at the end is measured. Characteristic sorting device.   The distribution metering device (4) is formed along the rotation outer peripheral portion of each of the pair of front and rear feeding blade plates (8), along the feeding guide plate (9) along the rotation lowering step portion, and along the bottom portion of the lower end. And a weighing receptacle (10) interlocked with the weighing instrument (7), and a delivery port (33) that is viewed on the sorting tray (2) of the sorting conveyor (3) at the end of the weighing receptacle (10). As a configuration of a semi-cylindrical form formed, one object is received while being guided and supplied by the distributing valve (6) to the blade interval portion (20) between the feeding blade plates (8) while rotating the partition. While dropping onto each weighing receiving plate (10), it is fed from the feeding outlet (33) onto the sorting tray (2) of the sorting conveyor (3) and continuously placed on the preceding and following sorting trays (2). The sorting apparatus according to claim 1, wherein the sorting apparatus is characterized.

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