JP7366506B2 - weight sorter - Google Patents

Description

The present invention relates to a weight sorting machine that sorts articles into weight ranks according to their weights.

For example, as shown in Patent Document 1, a weight sorting machine sequentially measures the weight of an article while conveying it, and determines which weight rank among a plurality of weight ranks the weight value belongs to. There is a known method in which each article whose weight rank has been determined is distributed to each storage container at a predetermined distribution position corresponding to each weight rank outside the transport route.

Japanese Patent Application Publication No. 2010-247101

In such a weight sorter, it is desired that the storage containers can be easily placed at predetermined distribution positions, and that the storage containers can be easily and quickly replaced when they are full of articles. In addition, it is desirable to be able to easily set distribution specifications, such as sorting articles to both sides outside the conveyance route, or to only one side of both sides outside the conveyance route, according to user requests. It will be done.

The present invention has been made in view of these circumstances, and an object of the present invention is to provide a weight sorter that can quickly and easily attach and detach storage containers to predetermined distribution positions.

In order to achieve the above object, the present invention is configured as follows.

(1) The weight sorting machine according to the present invention measures the weight of articles on a weighing conveyor to determine a weight rank, and conveys the determined articles on a sorting conveyor to correspond to the determined weight rank. In the weight sorting machine that distributes to storage containers at the distribution position,
A pedestal that supports the sorting conveyor, a support member provided on the outer side of the pedestal and extending along the conveyance direction of the sorting conveyor, and a pedestal detachably attached to the support member. , the storage container is placed on the pedestal.

According to the present invention, since the storage container is placed on the cradle attached to the support member, it becomes easy to replace the storage container, and since the cradle itself is detachably attached to the support member, it is easy to sort. Easy location selection. In addition, by providing support members extending along the conveyance direction of the sorting conveyor on both outer sides sandwiching the conveyor of the frame that supports the sorting conveyor, or on one outer side, it is possible to Distribution positions can be provided on both sides or only on one side, and distribution specifications can be easily set or changed.

(2) In a preferred embodiment of the present invention, the cradle is provided with a container arranging part for positioning and supporting the storage container at its upper part, and at the upper end on the side of the sorting conveyor, the supporting member is attached from above. It has a hook portion for hooking and engaging.

According to this embodiment, the cradle can be easily attached to and detached from the support member by engaging and disengaging the hook portion from the support member without using any tools or the like. Furthermore, the storage container can be easily positioned and placed in the container placement portion above the pedestal.

(3) In another embodiment of the present invention, the support member includes engagement recesses for positioning the hook portions at a plurality of locations in the conveyance direction.

According to this embodiment, by engaging the hook portion of the cradle with the engagement recess of the support member extending along the conveyance direction, the cradle is correctly positioned and attached to a predetermined distribution position outside the conveyance path. I can do it.

(4) In still another embodiment of the present invention, the pedestal includes a contact portion that abuts the outer surface of the pedestal at its lower part, and the hook portion of the pedestal is hooked onto the support member. In the engaged state, it is abutted and supported by the pedestal in a constant posture via the abutting portion.

According to this embodiment, a predetermined cantilever protrudes outward from the conveyance path of the sorting conveyor by abutting the lower abutting portion of the pedestal, which is hooked and engaged with the support member at the upper part, with the pedestal. Can be held in position.

(5) In another embodiment of the present invention, the pedestal includes a lower hook portion that engages with a lower portion of the pedestal at a lower end portion on the side of the sorting conveyor.

According to this embodiment, by engaging the lower hook part of the lower end of the cradle with the lower part of the pedestal, it is possible to prevent the cradle from swinging outward about the hooking point of the upper end. can. As a result, when the storage container is removed, the cradle will not be dragged by the storage container and the storage container can be easily removed.

As described above, according to the present invention, storage containers can be quickly and easily attached to and removed from predetermined distribution positions. Further, it is easy to set or change the distribution specifications, such as sorting the articles to both sides or only to one side outside the conveyance path of the distribution conveyor. Furthermore, since the pedestal on which the storage container is placed is detachably attached to the support member, it is possible to easily accommodate changes in the number of ranks.

FIG. 1 is an overall perspective view of a weight sorter according to an embodiment of the present invention. FIG. 2 is a schematic plan view of the weight sorter of FIG. 1. FIG. 3 is a longitudinal sectional side view showing the mounting state of the cradle. FIG. 4 is a perspective view of the pedestal and the storage container. FIG. 5 is a perspective view of the mounting location of the pedestal. FIG. 6 is a perspective view of the mounting state of the pedestal. FIG. 7 is a side view showing the mounting state of the pedestal mount with the mounting height changed.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall perspective view of a weight sorter according to an embodiment of the present invention, and FIG. 2 is a schematic plan view of the weight sorter of FIG. 1.

The weight sorting machine of this embodiment includes a weighing and conveying device 1 that measures the weight of an article w while conveying it and determines its weight rank, and a weighing and conveying device 1 that measures the weight of an article w while conveying it and determines its weight rank. Sorting devices 2 for sorting into ranks are arranged in a column along the transport direction of the articles w.

The weighing and conveying device 1 performs various settings such as an incoming conveyor 3 on which the article w is loaded and carried in, a weighing conveyor 4 disposed downstream in the conveying direction, a boundary weight value for weight rank determination, and a weighing conveyor 3. A control box 5 having a touch panel operation setting display section 6 for displaying results and the like is mounted on a pedestal 7 placed on the floor.

In this weighing and conveying device 1, the article w supplied by the carry-in conveyor 3 is transferred to the weighing conveyor 4 and conveyed, and during this conveyance, the weight of the article w is measured, and the weight of the weighed article is It is determined which of a plurality of preset weight ranks the weight falls under.

The sorting device 2 receives the articles w from the weighing and conveying device 1, conveys them straight, and distributes the articles w to sorting positions corresponding to the weight ranks of the articles w. This sorting device 2 is constructed by mounting a long sorting conveyor 8 on a pedestal 9 installed on the floor. A plurality of (three on each side in this example) sorting arms 10 are arranged on both sides of the conveying path of the sorting conveyor 8 along the conveying direction.

Each sorting arm 10 is mounted on the upper surface of the drive case 11 so as to be horizontally swingable about a vertical fulcrum p on the downstream side in the conveyance direction. The distribution arm 10 is driven to reciprocate and swing by an air cylinder (not shown) housed in the drive case 11. As shown by the solid line in FIG. 2, the sorting arm 10 is transported in a retracted position to the side of the transport path, and in a retracted position that is deviated to the side of the transport path, as shown by the imaginary line in FIG. Switching control is performed to a discharge guiding posture in which the incoming article w is guided laterally outward and discharged from the conveyance path.

A discharge chute 12 is provided outside each distribution arm 10 to guide the articles w discharged from the conveyance path by the distribution arm 10 outward and downward. Further, a storage container 13 for receiving the article w slid down and guided by the discharge chute 12 is disposed so as to be supported by a pedestal 14.

In this example, three sorting arms 10 are provided only on one side of both sides of the sorting conveyor 8, so that the articles w can be sorted by weight in a maximum of three weight ranks. Further, from the terminal end of the sorting conveyor 8, it is possible to collect articles w of non-standard weight.

In the weight sorter of this embodiment, the storage container 13 is supported in the following manner.

FIG. 3 is a longitudinal side view showing how the pedestal 14 is attached, FIG. 4 is a perspective view of the pedestal 14 and the storage container 13, and FIG. 5 is a perspective view of the mounting location of the pedestal 14. , FIG. 6 is a perspective view of the pedestal 14 in an attached state.

At the upper part of the outer surface of the pedestal 9 that supports the sorting conveyor 8, that is, at the upper part of the outer surface of one of the two sides of the pedestal 9 that sandwiches the sorting conveyor 8, there is a supporting member 15 that is long along the conveying direction. are connected and fixed horizontally on the left and right. This support member 15 is made of a thick steel plate whose lower end is bent toward the conveyor side. As shown in FIG. 5, the support member 15 is bolted to the outer surface of the pedestal 9 through a spacer 16, so that the upper end of the support member 15 is fixed in a vertical position with a predetermined distance from the pedestal 9. ing.

The pedestal 14 of the storage container 13 is made of angle members assembled into a triangular side surface. This pedestal 14 is provided with a front plate 17 on the conveyor side, left and right side plates 18, and a rear side plate 19 at its upper end, and is used to position the storage container 13 in the front, rear, left and right directions so as to be fitted from above. will be held. The left and right side plates 18 and the rear side plate 19 have receiving surfaces 18a and 19a bent and extending inward from their lower ends, and these receiving surfaces 18a and 19a allow the left and right and outer ends of the container bottom of the storage container 13 to be connected to each other. A container placement section 20 is configured to receive the container in a horizontal position.

The front side plate 17 forming the container placement part 20 is made of a thick plate material, and its front extending portion is bent downward at a substantially right angle to form a hook part 21 having the same width as the left and right width of the pedestal 13. .

The distance between the front surface of the cradle 14 and the hook part 21 is set to be slightly larger than the thickness of the support member 15, and the support member 15 is provided with engaging parts having approximately the same width as the horizontal width of the hook part 21 at three locations in the longitudinal direction. A recess 22 is formed. By hooking the hook portion 21 of the pedestal 14 into the engagement recess 22 of the support member 15 from above, the pedestal 14 can be positioned at a predetermined distribution position in the transport direction and engaged and supported.

Further, a lower hook portion 23 formed by bending a plate having the same width as the horizontal width of the pedestal 14 is connected with a bolt to the lower front surface of the pedestal 14, that is, the lower portion of the pedestal 14 on the conveyor side. By engaging the lower hook portion 23 from above with the horizontal beam 24 installed on the outer lower part of the pedestal 9, the lower part of the pedestal 14 is prevented from floating outward.

Further, on the left and right sides of the front lower end of the pedestal 14, abutment bolts 25 protruding forward are provided as abutment portions for posture regulation. The amount of forward protrusion of this contact bolt 25 can be adjusted. By bringing the head of this contact bolt 25 into contact with the outer surface of the pedestal 9, the forward swinging of the pedestal 14, whose front end upper part is hooked and engaged with the support member 15, is restricted. Thereby, the pedestal 14 can be cantilevered rearward in a predetermined posture in which the container arrangement portion 20 is horizontal in the front and rear directions.

The storage container 13 is placed and supported as described above. Therefore, the storage container 13 can be easily attached to and removed from the container placement portion 20 of the pedestal 14 by holding the handles 26 provided on the left and right outer surfaces thereof. Furthermore, the pedestal 14 itself can be easily removed by lifting it up a little to disengage the support member 15 and the hook portion 21, and the horizontal beam 24 and the lower hook portion 23. Furthermore, by using the engagement recess 22 of the support member 15, the pedestal 14 can be positioned at a desired distribution position and engaged and mounted in a predetermined posture.

Note that the mounting height of the support member 15, the lower hook portion 23, and the abutment bolt 25 can be changed in multiple stages at the same pitch. Therefore, for example, as shown in FIG. 7, by lowering the support member 15 and attaching it to the pedestal 9, and raising the lower hook part 23 and the abutment bolt 25 by the same amount to attach it, the pedestal 14 can be lowered. It can be attached to the frame 9 in a predetermined posture. This allows a deeper storage container 13' to be placed.

[Other embodiments]
The present invention can also be implemented in the following forms.

(1) In the above embodiment, the front side plate 17 of the container placement part 20 is extended to form the hook part 21 having the same width as the left and right width of the pedestal 14. The hook portions may be attached to the front portion of the upper end of the pedestal 14 at a predetermined distance from each other.

(2) If the left and right side plates 18 and the rear side plate 19 that form the container placement portion 20 of the pedestal 14 are bent so that the upper half expands outward, the storage container 13 can be accessed from above into the container placement portion 20. It becomes easy to put in and take out.

(3) Set the rear side plate 19 of the container arrangement part 20 low, insert the storage container 13 into the container arrangement part 20 from the rear so as to go over the low rear side plate 19, and position it to the rear with the low rear side plate 19. You can also do it. According to this, when removing the heavy storage container 13 containing articles, there is no need to lift the storage container 13 significantly.

(4) The container arrangement part 20 is tilted slightly forward and downward, the rear side plate 19 is omitted, the storage container 13 is inserted into the container arrangement part 20 from the rear, and the front side plate 17 positions and abuts it, and the own weight of the storage container 13 moves backward. It may also be possible to prevent the user from escaping.

(5) The lower hook part 23 provided at the lower front end of the pedestal 14 engages with the horizontal crosspiece 24 of the pedestal 9, so that the pedestal 14 swings rearward when removing the storage container 13, etc. can be prevented. However, if the weight of the pedestal 14 is to some extent large and the pedestal 14 does not easily swing rearward around the upper hooking point, the lower hook portion 23 may be omitted.

(6) The shapes of the support member 15 and the hook portion 21 are not limited to the above embodiments, and may be any shape as long as they can be hooked and engaged.

(7) The storage container 13 may be replaced with a commercially available plastic box or the like.

1 Measuring and conveying device 2 Sorting device 8 Sorting conveyor 9 Frame 10 Sorting arm 13 Storage container 14 Receiver 15 Support member 20 Container arrangement portion 21 Hook portion 22 Engagement recess 23 Lower hook portion 25 Contact bolt (contact portion)
w Goods

Claims (5)

In a weight sorting machine, the weight of an article is weighed by a weighing conveyor to determine a weight rank, and the determined article is conveyed by a sorting conveyor and distributed to storage containers at a sorting position corresponding to the determined weight rank. ,
a pedestal that supports the sorting conveyor;
a support member provided on the outer side of the pedestal and extending along the conveyance direction of the sorting conveyor;
and a cradle that is detachably attached to the support member,
the storage container is placed on the pedestal;
A weight sorting machine characterized by: The cradle includes a container arranging part for positioning and supporting the storage container on the upper part thereof, and a hook part for hooking and engaging with the support member from above on the upper end part on the side of the sorting conveyor.
A weight sorter according to claim 1. The support member includes engagement recesses for positioning the hook portion at a plurality of locations in the conveyance direction.
A weight sorter according to claim 2. The pedestal includes a contact portion at a lower portion thereof that abuts an outer surface of the pedestal,
The pedestal is supported in contact with the pedestal in a constant posture via the abutment portion, with the hook portion being hooked and engaged with the support member.
A weight sorter according to claim 2 or 3. The pedestal includes a lower hook portion that engages with a lower portion of the pedestal at a lower end portion on the side of the sorting conveyor.
A weight sorter according to any one of claims 2 to 4.

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