JP2015078868A - Weight measurement system in grade classification apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To disclose a weight measurement system in a grade classification apparatus, first, in which processing capability per unit time is enhanced, and second, in which delivery trouble of an object is prevented.SOLUTION: A weight measurement system 9 is used in a grade classification apparatus 10 measuring a weight of an object A, and classifying a grade by measured weight. The weight measurement system 9 is provided between a first conveyor 11 sequentially continuously conveying and supplying the objects A and a second conveyor 12 in which grade classification is performed while sequentially continuously conveying the objects A. The weight measurement system 9 includes: a weight scale 14 having a reception part 13; and a delivery mechanism 15 disposed between the first conveyor 11 and the reception part 13 of the weight scale 14. The delivery mechanism 15 includes: a fixed arm 16 transferring and holding the object A conveyed and supplied by the first conveyor 11; and a moving arm 17 taking up the object A from the fixed arm 16 and conveying the object A to the reception part 13 of the weight scale 14.

Description

  The present invention relates to a weight measuring system for a grade sorting device. That is, the present invention relates to a weight measurement system that measures the weight of an object in a class sorting device that measures the weight of the object and classifies the object according to weight.

《Technical background》
In many cases, chrysanthemums and other grooms are sorted and shipped as follows. First, the weight is measured, the grades are classified according to the measured weights, and the selected groups are bound and shipped to the market.
That is, prior to shipment, chrysanthemums and other florets are conveyed by a conveyor, and a series of operations such as length alignment, leaf dropping, weight measurement, grade selection, bundling, and collection are continuously performed.

<Conventional technology>
FIG. 9 is used to explain the prior art and shows a conventional example of the weight measuring system 2 and the conveyor 3 of the grade sorting device 1. In the general examples of FIGS. 7 and 8 to be described later, this conventional weight measurement system 2 is also shown in the figure.
As shown in the figure, in this type of conventional example, a weighing scale 4 of the weight measuring system 2 is disposed under the downstream end of the conveyor 3 that conveys and supplies the object A such as chrysanthemums and other florets. It was. The object A that has been conveyed by the conveyor 3 was dropped and supplied directly onto the receiving portion 5 of the weighing scale 4 from the downstream end of the conveyor 3.
The weight of the object A was measured after such delivery and transfer, and grade selection or the like was performed based on the measured weight.
When the object A is a groom or the like, the weighing scale 4 is required to be stably positioned on the receiving portion 5 and is conventionally completely separated from the conveyor 3 and is disposed at a lower level. It was. Then, the object A is delivered and transferred from the downstream end of the higher conveyor 3 toward the receiving portion 5 of the lower weighing scale 4 by flying in the air and naturally falling.
In the figure, 6 is a sprocket for driving the conveyor 3, 7 is an endless chain, and 8 is an endless belt with protrusions. B indicates the transport direction, and C indicates the vertical direction.

Examples of such conventional examples include those disclosed in the following Patent Documents 1, 2, and 3.
JP 11-29112 A Japanese Patent Laid-Open No. 11-278650 JP-A-11-285314

By the way, the following subject was pointed out about such a prior art.
<First problem>
First, problems have been pointed out in the processing capacity per unit time. In the weight measuring system 2 of the conventional grade sorting device 1, as described above, the object A such as chrysanthemum or other flower buds is naturally dropped in the air directly from the conveyor 3 toward the receiving unit 5 of the lower scale 4. It was handed over by the fall and transferred.
Therefore, the drop impact of the object A causes vibration in the receiving part 5 of the weighing scale 4, and the fall state and the drop position vary depending on the weight, size, shape, etc. of the object A, and change. Thus, it takes time to attenuate the vibration of the receiving portion 5 of the weight scale 4 and it takes time to stop the object A at an appropriate position on the receiving portion 5. It took time for the receiving unit 5 and the object A to stabilize to reach a weight-measurable state and reach equilibrium.
In the prior art, as described above, it takes time to measure the weight of the object A by the weight measuring system 2, and thus it is considered difficult to further speed up the entire class sorting device 1. The problem was pointed out in the processing capacity of.
For example, in the conventional grade sorting apparatus 1 using chrysanthemums as the object A, the processing capacity of 3,000 pieces / hour has been the limit.

<< Second problem >>
Secondly, it has been pointed out that there are many troubles of delivery of the object A. As described above, in the weight measuring system 2 of the conventional grade sorting apparatus 1, the object A such as chrysanthemum or other flower buds is naturally dropped or directly dropped from the conveyor 3 onto the receiving portion 5 of the lower scale 4. It was handed over and transferred.
At that time, the object A is not supplied onto the weighing scale 4 receiving part 5 and the object A passes through the receiving part 5 and falls to the floor or the ground. The trouble that is not supplied on the receiving part 5 was easy to occur.
The reason for this is that the drop impact of the object A, the vibration of the weighing scale 4 receiving portion 5 and the weight, size, and shape of the object A are the same as described above with respect to the first processing capability. Differences, changes, etc. of the fall state or fall position of the object A due to the above can be considered.
In any case, due to the occurrence of such troubles, problems have been pointed out in the stability and reliability of the conventional weight measuring system 2 and the grade sorting device 1.

<< About the present invention >>
In view of such a situation, the weight measuring system of the grade sorting device of the present invention is made to solve the above-mentioned problems of the prior art.
A first object of the present invention is to propose a weight measuring system for a grade sorting device, in which the processing capacity per unit time is improved and, second, the problem of delivery of an object is prevented.

<About each claim>
The technical means of the present invention for solving such a problem is as follows, as described in the claims.
About Claim 1, it is as follows.
The class selection device according to claim 1 measures the weight of an object and classifies the object according to the measured weight. A weight measurement system is provided between the first conveyor that sequentially conveys and supplies the objects and the second conveyor that performs grade selection while sequentially conveying the objects. Yes.
The weight measuring system includes a weight scale, and a delivery mechanism disposed between the first conveyor and the weight scale receiving portion. The object consists of chrysanthemums, roses, other flower buds, or burdock, long onion, and other long vegetables, and is transported, delivered, and measured in a posture oriented in the left-right direction with respect to the front-rear direction, which is the transport direction. It is characterized by.

About Claim 2, it is as follows.
The weight measuring system for a grade sorting device according to claim 2, wherein the delivery mechanism includes a fixed arm that transfers and holds the object conveyed and supplied by the first conveyor, and the object And a moving arm that picks up the carrier from the fixed arm and conveys it to the weighing scale receiving portion.
About Claim 3, it is as follows.
According to a weight measuring system for a grade sorting device according to a third aspect, in the second aspect, the fixed arm of the delivery mechanism is fixed at least two pairs on the left and right below the downstream end of the conveying path of the first conveyor. The object dropped from the first conveyor can be placed and held between each other.
The moving arm of the delivery mechanism is capable of reciprocating between the fixed arm and the weighing scale receiving part, and at least two pairs of left and right are in one set, and the object is placed between each other during forward movement. Can be placed and held.
The weighing scale receiving portion is composed of at least two left and right receiving arms, and can hold the object placed between them.

About Claim 4, it is as follows.
In a weight measuring system for a grade sorting device according to a fourth aspect, in the third aspect, the moving arm of the delivery mechanism picks up and picks up the object held on the fixed arm. The weighing scale scoops the object carried by the moving arm by scooping the moving arm down.
In addition, at least two pairs of left and right picking arms attached to the second conveyor pick up the measured object held on the weighing scale receiving part by lifting and pick it up for use in conveyance. It is characterized by this.
About Claim 5, it is as follows.
In a weight measuring system for a grade sorting device according to a fifth aspect of the present invention, in the fourth aspect, the weighing scale comprises a load cell. A plurality of sets of moving arms of the delivery mechanism are used, and each set is rotationally driven about a horizontal drive shaft.
About Claim 6, it is as follows.
In a weight measuring system for a grade sorting device according to a sixth aspect, in the fifth aspect, the object is made of a flower bud. The first conveyor sequentially positions, aligns, cuts, and leaves the leaves one by one while conveying the object. In the weight measurement system, the objects are sequentially held, moved, and measured one by one.
In addition, the objects that have been graded one by one on the second conveyor sequentially are bundled and collected for each sorting group.

<About the action>
Since the present invention comprises such means, the following is achieved.
(1) The grade sorting device measures the weight of the objects while sequentially and sequentially conveying the objects, and sorts the grades by weight.
(2) And the 1st conveyor, the weight measurement system, and the 2nd conveyor are provided in order.
(3) The first conveyor performs position alignment, length alignment cutting, leaf removal, and the like of the object.
(4) Then, the object conveyed by the first conveyor is dropped and supplied onto the fixed arm of the delivery mechanism.
(5) Then, the object is carried from the fixed arm onto the weighing scale receiving portion by the moving arm of the delivery mechanism. The moving arm is driven to rotate around a horizontal drive shaft, for example, and reciprocates between the fixed arm and the weight-measuring unit, and carries the object during the forward movement.
(6) The transfer of the object by such a delivery mechanism is typically performed by scooping up by moving arm up or scooping down.
(7) And the weight of the object carried on the weighing scale receiver is measured by the weighing scale. The measured object is picked up by the take-up arm of the second conveyor.
(8) Then, the object is classified and classified by the measured weight while being conveyed on the second conveyor, and then bundled and collected for each selected group.
(9) Now, in the present invention, by providing a delivery mechanism between the first conveyor and the weighing scale, the object can be smoothly transferred without impact.
(10) That is, since it is not transfer by direct fall, generation of vibration due to drop impact is avoided, and the occurrence of a change due to a difference in fall state or drop position is also avoided. Therefore, it does not require time for vibration damping or stationary, and it is stabilized so that it can be weighed in a short time and reaches equilibrium, so that the measurement time is shortened.
(11) Furthermore, by providing the delivery mechanism, the object can be reliably transferred without any trouble. Falling to the floor or ground and catching of branches and leaves are avoided.
(12) Now, the weight measuring system for the grade sorting device of the present invention exhibits the following effects.

<< First effect >>
First, the processing capacity per unit time is improved. The weight measuring system of the grade sorting apparatus of the present invention employs a target delivery mechanism.
And by providing a delivery mechanism between the first conveyor and the weigh scale, objects such as chrysanthemums, other flower buds, long onions, and other long vegetables can be smoothly transferred without impact. Become.
As in the above-described prior art in which the object is directly dropped, the occurrence of vibration at the weighing scale receiving part due to the drop impact is avoided. Further, it is also possible to avoid the drop state and the drop position from changing depending on the weight, size, shape, etc. of the object. Therefore, time is not taken for the vibration attenuation of the weighing scale receiving part and the stationary of the object.
Therefore, the weight measurement of the object is speeded up, and the processing capacity per unit time of the weight measurement system and the grade sorting device is greatly improved. For example, when a chrysanthemum is used as an object, a processing capacity of 4,000 pieces / hour to 5,000 pieces / hour can be exhibited (in the conventional example, the limit was 3,000 pieces / hour). .

<< Second effect >>
Secondly, the problem of delivery of the object is also prevented. The weight measuring system of the grade sorting apparatus of the present invention employs a target delivery mechanism.
And by providing a delivery mechanism between the first conveyor and the weigh scale, the objects made of chrysanthemums, other flower buds, long onions, and other long vegetables can be reliably transferred without any trouble. Become.
As in the above-described prior art in which an object is dropped directly, troubles in which the object falls on the floor or the ground and troubles in which branches and leaves are caught on other parts are avoided. Therefore, the stability and reliability of the weight measuring system and grade sorting device are also excellent.
As described above, the effects exerted by the present invention are remarkably large, such as all the problems existing in this type of prior art are solved.

About the weight measuring system of the grade selection apparatus which concerns on this invention, it uses for description of the form for inventing. And (1) figure is front explanatory drawing, such as a 1st conveyor and a weight measurement system, and (2) figure is perspective explanatory drawings, such as a 1st conveyor and a measurement system. It uses for description of the form for implementing this invention, and is front explanatory drawing of a 1st conveyor and a weight measurement system. (1) shows the first step, and (2) shows the second step. It uses for description of the form for implementing this invention, and is front explanatory drawing of a 1st conveyor and a weight measurement system. (1) shows the third step, and (2) shows the fourth step. It uses for description of the form for implementing this invention, and is front explanatory drawing of a 1st conveyor and a weight measurement system. And the fifth step is shown. An example of the rotation mechanism of the moving arm of the delivery mechanism will be described for explanation of the embodiment for carrying out the invention. And (1) figure is a perspective view, (2) figure is a longitudinal cross-sectional view of the principal part. It serves for description of the form for implementing this invention. (1) is a photograph of the weight measurement system, and (2) is a photograph of the first conveyor and the weight measurement system. It is a front explanatory view showing the whole general example of a grade sorting device. It is a plane explanatory view showing the whole general example of the grade sorting device. It is a front explanatory drawing of the conveyor and the weight measuring system for explanation of the class sorting device concerning this kind of prior art.

Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
<< Outline of the Invention >>
First, an outline of the present invention will be described.
The weight measuring system 9 of the present invention is a grade sorting device 10 that measures the weight of chrysanthemums, other flower buds, long onions, and other long vegetables as the object A, and classifies them according to the measured weights. Used in.
The grade sorting device 10 has a total length of about 5 m, a height of 2 m, and a width of about 3 m, and includes a first conveyor 11, a weight measuring system 9, a second conveyor 12, and the like in order.
The weight measurement system 9 is provided between the first conveyor 11 that sequentially conveys and supplies the object A and the second conveyor 12 that performs grade selection while sequentially conveying the object A. It has been.
The weight measurement system 9 includes a weight scale 14 and a delivery mechanism 15. That is, it has a weighing scale 14 provided with a receiving portion 13 and a delivery mechanism 15 arranged between the first conveyor 11 and the receiving portion 13 of the weighing scale 14.
The delivery mechanism 15 of the weight measurement system 9 includes a fixed arm 16 that transfers and holds the object A transported and supplied by the first conveyor 11, and picks up the object A from the fixed arm 16 and receives the weight A 14. And a moving arm 17 to be carried to the section 13.
The outline of the present invention is as described above. Hereinafter, the present invention will be described in detail.

<< About the object A and the 1st conveyor 11 >>
First, the object A and the 1st conveyor 11 are demonstrated with reference to the general example of FIG. 7, FIG. First, the grade sorting apparatus 10 includes a first conveyor 11 that sequentially and continuously conveys and supplies the object A.
In the 1st conveyor 11, position alignment, length alignment cutting | disconnection, leaf dropping, etc. are performed one by one, conveying the target object A one by one.
The object A is made of chrysanthemums, roses, other flower buds, burdock, long onion, and other long vegetables, and is transported and delivered in a posture directed in the left-right direction D with respect to the front-rear direction, which is the transport direction B. Measured.

Such an object A and the first conveyor 11 will be further described in detail. The object A is made of chrysanthemums in the illustrated example, but other flower buds such as roses, lilies, carnations, and the like are also possible. Also, burdock, long onion, and other long vegetables are possible.
And the target object A is conveyed in the attitude | position orient | assigned to the left-right direction D orthogonal to the conveyance direction B (front-back direction). In the illustrated example, the flower is transported in such a posture that the flower head of the tip or the flower head is directed to the left side (upper side in the drawing) and the root and base end of the stem is directed to the right side (lower side in the drawing).
(The same posture is used for delivery in a weight measurement system 9 described later, transport in the second conveyor 12, transport in the transport mechanism 21, etc.)

The 1st conveyor 11 consists of a circulation travel type conveyor. In the illustrated conveyor 11, a pair of left and right travel drive sprockets 23 are arranged on the front and rear sides, and an endless chain 24 is spanned between the front and rear sprockets 23 corresponding to the left side or the right side. ing.
An endless belt 25 is attached between the left and right endless chains 24, and a number of protruding pieces 26 protrude from the endless belt 25 at a predetermined front and rear pitch. Chrysanthemums of the object A are placed one by one on the endless belt 25 on the front side of the protruding piece 26 at the upstream end of the conveyor.
The first conveyor 11 is provided with a position aligning means 27, a length aligning and cutting means 28, a leaf dropping means 29, and the like in order from the upstream side to the downstream side of the conveyor. Perform the process.
The position aligning means 27 contacts the front end of the object A to be transported, and aligns the front end position on a certain line along the transport direction B. In the illustrated example, the flower head positions are aligned on a certain line.
The length alignment cutting means 28 cuts the base end of the object A whose front end positions are aligned, so that the lengths of all the objects A are evenly aligned. In the illustrated example, the root of the stem is cut.
The leaf drop means 29 removes the leaf on the base end side of the object A. In the illustrated example, the root leaves of the stem are removed.
The first conveyor 11, the position aligning means 27, the length aligning and cutting means 28, the leaf dropping means 29, and the like described above are based on, for example, those described in Patent Documents 1, 2, and 3 described above. It is no different from technology.
The object A and the first conveyor 11 are as described above.

<About the weight measurement system 9>
Next, the weight measurement system 9 will be described with reference to FIGS. The grade sorting device 10 includes a weight measuring system 9 together with the first conveyor 11 and the second conveyor 12 described later.
The weight measuring system 9 is provided between the first conveyor 11 and the second conveyor 12, and holds, moves, and measures the objects A one by one. That is, it is provided between the 1st conveyor 11 which conveys and supplies the target object A sequentially sequentially, and the 2nd conveyor 12 in which grade selection is performed, conveying the target object A sequentially continuously.
The weight measuring system 9 includes a weigh scale 14 and a delivery mechanism 15. That is, it has a weighing scale 14 provided with a receiving portion 13 and a delivery mechanism 15 arranged between the first conveyor 11 and the receiving portion 13 of the weighing scale 14.
The delivery mechanism 15 is employed for the first time in the present invention, and includes a fixed arm 16 and a moving arm 17.

Such a weight measurement system 9 will be further described in detail. First, the fixed arm 16 of the delivery mechanism 15 transfers and holds the object A conveyed by the first conveyor 11.
That is, the fixed arm 16 is fixed on the stationary part at least in a pair of left and right two below the downstream end of the conveyance path of the first conveyor 11, and the object A dropped and supplied from the first conveyor 11 sequentially One by one can be placed and held between each other. In the illustrated example, the chrysanthemum of the object A that has been dropped is placed and held between a pair of left and right fixed arms 16 that are substantially V-shaped.

Next, the moving arm 17 of the delivery mechanism 15 picks up the object A from the fixed arm 16 and carries it to the receiving part 13 of the weighing scale 14. The object A held on the fixed arm 16 is picked up without impact by scooping up and is carried to the receiving part 13 of the weighing scale 14.
That is, the moving arm 17 can reciprocate between the fixed arm 16 and the receiving portion 13 of the weighing scale 14, and at least a pair of left and right is in one set, and the object A is placed between the two at the time of forward movement. It is possible to carry them one by one while sequentially holding them. A plurality of sets are used, and each set is driven to rotate about the horizontal drive shaft 20.
In the illustrated example, three sets of two pairs of moving arms 17 each having a substantially V shape are used, and each set is rotationally driven around a common horizontal drive shaft 20.
Then, each set of the moving arms 17 is in the first, second, third, fourth, and fifth steps (1), (2), and (1) in FIG. ) (See FIGS. 2 (2) and 4), the chrysanthemum of the object A is picked up from above the fixed arm 17 in the process of rising and passing, and the receiving portion 13 of the weighing scale 14 It comes to carry it up.

Next, the receiving part 13 of the weighing scale 14 scoops the object A carried by the moving arm 17 as described above without impact by the lowering of the moving arm 17. The weighing scale 14 is fixed on the non-moving portion, and the receiving portion 13 includes at least a pair of receiving arms 18 on the left and right sides, and can hold the objects A one by one sequentially between them. .
In the illustrated example, the moving arm 17 descends and passes the chrysanthemum of the object A carried by the moving arm 17 between a pair of left and right receiving arms 18 that form a substantially V shape of the receiving portion 13. Pick up and hold between the receiving arms 18.
In the illustrated example, a load cell is used as the weigh scale 14, and the weight of the chrysanthemum of the object A is measured, converted into a corresponding electric signal, and transmitted to a control unit (not shown). The control unit stores the measured weight of each object A. Note that the load cell is provided for each of the receiving arms 18 or is provided in common for each of the receiving arms 18.
The weight measurement system 9 is as described above.

<< Rotating mechanism 30 >>
Here, the rotation mechanism 30 used for the moving arm 17 of the delivery mechanism 15 of the weight measurement system 9 described above will be described with reference to FIG.
That is, as described above, the moving arm 17 is rotationally driven about the horizontal drive shaft 20 and thus reciprocates between the fixed arm 16 and the receiving portion 13 of the weighing scale 14. Therefore, an example of the rotation mechanism 30 that rotationally drives the moving arm 17 in this way will be described.
Of course, such a rotating mechanism not based on the illustrated example is also possible, for example, by using guides 31 and 31 ′ as in the second conveyor 12 described later.

The rotation mechanism 30 shown in FIG. 5 includes a motor 32 and a horizontal drive shaft 20 that is integrally connected to the drive shaft of the motor 32. The horizontal drive shaft 20 is welded and fixed to fixing holes 34 projecting from the center of both vertical walls of the case 33.
The case 33 has a hollow, substantially triangular shape, and is provided with thin-walled bearings 35 on both vertical walls at each corner, and an arm shaft 36 is inserted therethrough. The movable arm 17 is welded and fixed to one end of the arm shaft 36 protruding from the case 33, and the position movable sprocket 37 is welded and fixed to the other end.
(In FIG. 5, only one moving arm 17, arm shaft 36, position movable sprocket 37, etc. are shown. The other moving arms 17 are not shown.)
Reference numeral 38 denotes a base plate erected from the stationary portion, and a position fixing sprocket 39 is fixed to the base plate 38 by welding. A bearing 40 and a bearing 41 are respectively provided in the central portion of the base plate 38 and the position fixing sprocket 39, and the horizontal drive shaft 20 connected to the motor 32 described above is inserted therethrough.
An endless chain 43 is stretched between the position movable sprocket 37 and the position fixed sprocket 39. In addition, you may make it accommodate the position movable sprocket 37, the position fixed sprocket 39, the endless chain 43, etc. in the case 33 irrespective of the example of illustration.

The rotation mechanism 30 has such a configuration. Therefore, when the motor 32 is rotationally driven, the horizontal drive shaft 20 rotates about its own axis, and the case 33 rotates about the horizontal drive shaft 20 as a rotation center (for example, counterclockwise) Take the posture of rotating and moving).
→ Accordingly, the position-movable sprocket 37 also rotates around the horizontal drive shaft 20 as the center of rotation (for example, takes a position rotated in the counterclockwise direction). At the same time, the position-movable sprocket 37 rotates around its own axis by an amount corresponding to the rotational movement (for example, rotates clockwise around the axis).
In connection with this, the endless chain 43 travels a distance corresponding to the rotational movement, that is, the distance corresponding to the rotation around the shaft. The fixed position sprocket 39 does not rotate (position does not move) and does not rotate about its own axis.
As a result of such an operation, the movable movable sprocket 37 does not change its posture, and its upper point maintains the upper point as it is. Regardless of the rotational movement described above, the upper point, the left and right points, the lower point, etc. retain their positions.
Accordingly, the moving arm 17 also rotates and moves via the arm shaft 36, like the position movable sprocket 37, but its posture is not changed. The moving arm 17 of the delivery mechanism 15 is rotationally driven with the horizontal drive shaft 20 as the center of rotation, but its posture does not change. In the illustrated example, the substantially V-shaped moving arm 17 always maintains an upward posture regardless of rotational movement.
The rotating mechanism 30 is as described above.

<< About the second conveyor 12 etc. >>
Next, the 2nd conveyor 12 grade | etc., Is demonstrated with reference to the general example of FIG. 7, FIG. The grade sorting device 10 includes a second conveyor 12 and the like together with the first conveyor 11 and the weight measuring system 9 described above.
In the 2nd conveyor 12, the class selection according to weight is performed, conveying the target object A sequentially sequentially.
The second conveyor 12 has at least two attached left and right take-up arms 19 that impact the object A after weight measurement held on the receiving portion 13 of the weighing scale 14 by scooping up the object. Take it up and use it for transportation.

Such 2nd conveyor 12 grade | etc., Is further explained in full detail. The 2nd conveyor 12 consists of a circulation travel type conveyor.
In the second conveyor 12 in the illustrated example (see FIG. 7), a pair of left and right traveling drive sprockets 44 are disposed in the front and rear and top and bottom, respectively. At the same time, an endless chain 45 is spanned between the sprockets 44 sequentially corresponding to the left side or the right side.
A large number of shafts 46 are spanned between the left and right endless chains 45 at a predetermined front-rear pitch, and at least two pairs of left and right take-up arms 19 are attached and fixed to each shaft 46. The take-up arm 19 is provided with a substantially V-shaped portion capable of holding the object A at the tip, and is rotatable about a shaft 46.
Reference numerals 31 and 31 ′ denote guides which are fixedly disposed so as to face each other so as to be adjacent to the outside or the inside of the traveling take-up arm 19. The guide 31 has a plate shape, and the guide 31 'has a round bar shape. Thus, the take-up arm 19 is held by the guide 31 on the upper and lower sides of the conveyor and takes a horizontal posture, and on the side of the weighing scale 14 of the weight measuring system 9, that is, on the side of the conveyor, the guide 31 ′ Takes a horizontal projecting posture.

The chrysanthemum of the object A after the weight measurement held on the receiving part 13 of the weighing scale 14 is scooped up one by one as the take-up arm 19 taking the horizontally projecting posture moves up. Then, it is held by the take-up arm 19 and is conveyed on the upper side of the conveyor from the left side to the right side in the drawing as it travels.
Then, first, alignment is performed by the alignment means 47 on the upstream side of the conveyor (see FIG. 8). This alignment is in accordance with the alignment means 27 of the first conveyor 11 described above.
By the way, as described above, the weight of each object A measured by the weighing scale 14 is stored in the control unit and is ranked in, for example, three grades of “heavy”, “medium”, and “light”. Yes.
Therefore, if the measured weight is object A "heavy" is conveyed, based on the saving instruction signal from the control unit, corresponding guide 31 _1, to the operation of the saving lateral or downward (see Figure 7 ). Thus, the “heavy” object A is held downward, and the take-up arm 19 rotates downward about the shaft 46, so that there is nothing to hold and falls downward.
The object A whose measurement weight is “medium” or “light” and the corresponding guides 31 ₂ and 31 ₃ are also in accordance with the dropping of the “heavy” object A and the operation of the guide 31 ₁ . These guides 31 ₁ , 31 ₂ , 31 ₃ , as well as an assembly of the take-up arm 19, the shaft 46, the control unit, etc. constitute a grade selection means 48.

In this way, the object A automatically classifies, sorts, and falls according to, for example, “heavy”, “medium”, and “light” weights. S is a light emitting / receiving sensor that measures the number of objects A falling by weight.
Then, corresponding left and right conveyors 12 ′ are individually provided at the “heavy”, “medium”, and “light” drop points, and the graded object A falls. Each of the left and right conveyors 12 'for "heavy", "medium", and "light" has a predetermined plural number (for example, 10) as a result of the number of the objects A that have been classified and dropped and accumulated measured by the sensor S. ) Will be carried out to the side.
Now, the objects A that have been graded by the second conveyor 12 in this way are bundled and collected for each of the “heavy”, “medium”, and “light” sorting groups. That is, each sorting group bundle of the object A is transported by the transport mechanism 21, and the base end portion is bound by a string from the side by the binding means 49, and then transported and dropped to the graded collection unit 50. , Recovered.
Regarding the second conveyor 12, the position aligning means 47, the grade selecting means 48, the bundling means 49, the collecting unit 50, etc. described above, for example, according to the place described in Patent Documents 1, 2, and 3 mentioned above, It is no different from conventional technology.
The second conveyor 12 and the like are as described above.

《Action etc.》
The weight measuring system 9 of the grade sorting device 10 of the present invention is configured as described above. Therefore, it becomes as follows.
(1) The grade sorting device 10 measures the weight in a flow operation while sequentially conveying the florets and long vegetables of the object A sequentially, and sorts the grades according to the measured weight.

  (2) And the 1st conveyor 11, the weight measurement system 9, and the 2nd conveyor 12 are provided in order.

  (3) First, the first conveyor 11 sequentially and continuously conveys the object A, and performs position alignment, length alignment cutting, leaf dropping, and the like (see FIG. 8).

  (4) Next, the measurement system 9 includes a delivery mechanism 15 and a weighing scale 14 (see FIG. 1). Then, the object A transported and supplied by the first conveyor 11 is first transferred and held on the fixed arm 16 of the delivery mechanism 15 by dropping supply (FIG. 2 (1) to FIG. 2). (2) See figure).

(5) Then, the object A is sequentially transported and transferred from the fixed arm 16 to the receiving portion 13 of the weighing scale 14 by the moving arm 17 of the delivery mechanism 15 (FIG. 3 (1) to FIG. 3). (2) Refer to FIG. 4 and FIG.
The movable arm 17 in the illustrated example can be reciprocated between the fixed arm 16 and the receiving portion 13 of the weighing scale 14 by being rotationally driven about the horizontal drive shaft 20, and the object A can be moved in the forward movement. It is designed to be carried while being held (see FIGS. 1 to 4).

(6) The transfer of the object A by such a delivery mechanism 15 is typically performed as follows.
That is, picking up from the fixed arm 16 to the moving arm 17 is performed by scooping up by moving the moving arm 17 (see FIG. 2 (2) to FIG. 3 (1)). From the moving arm 17 to the receiving portion 13 of the weighing scale 14, the scavenging of the receiving portion 13 due to the lowering of the moving arm 17 is carried out (see FIGS. 3 (2) to 4).

  (7) The weight of the object A thus scooped and transferred on the receiving portion 13 is sequentially measured by a weight meter 14 such as a load cell (see FIG. 4). Then, the object A whose weight has been measured is sequentially picked up and removed by scooping up by the lifting arm 19 of the second conveyor 12 (see FIG. 7).

(8) Then, the object A is sequentially and continuously conveyed by the second conveyor 12 and is classified according to the weight measured as described above by the grade sorting means 48 (see FIG. 7).
The objects A are sequentially bundled and collected for each grade-selected group (see FIG. 8).

  (9) Now, the weight measuring system 9 of the grade sorting device 10 according to the present invention is provided with the delivery mechanism 15 between the first conveyor 11 and the receiving portion 13 of the weighing scale 14 as described above. The object A can be smoothly transferred from the first conveyor 11 to the receiving unit 13 without impact. In particular, it can be transferred smoothly by scooping up and scooping down.

(10) That is, the object A is not transferred from the first conveyor 11 onto the receiving portion 13 of the weighing scale 14 by being dropped directly, but is transferred through the delivery mechanism 15 in the present invention.
Therefore, it is avoided that vibration is generated in the receiving portion 13 of the weighing scale 14 due to the drop impact of the object A. Further, it is also possible to avoid the drop state and the drop position from changing depending on the weight, size, shape, etc. of the object A.
Therefore, in the present invention, no time is taken for the vibration attenuation of the receiving portion 13 of the weight scale 14 or the stationary object A. The receiving unit 13 and the object A are stabilized to a state where the weight can be measured and reach equilibrium in a very short time. Therefore, according to the present invention, the time for measuring the weight of the object A is shortened.

(11) Moreover, the weight measuring system of the grade sorting apparatus 10 according to the present invention is provided with the delivery mechanism 15 between the first conveyor 11 and the receiving portion 13 of the weighing scale 14, so that the object A is The first conveyor 11 can be reliably transferred to the receiving unit 13 without any trouble.
That is, the occurrence of trouble that the object A is not transferred to the receiving unit 13 and falls to the floor or the ground as in the case of transferring directly from the first conveyor 11 to the receiving unit 13 of the weighing scale 14 by dropping is avoided. The In addition, the occurrence of trouble that the object A cannot be transferred to the receiving unit 13 due to the branches and leaves being caught by others is also avoided.
In the present invention, the delivery mechanism 15 intervenes and supports the reliable transfer of the object A without dropping the object A directly from the first conveyor 11 onto the receiving part 13 of the weighing scale 14.
The operation of the present invention is as described above.

A Object B Transport direction C Vertical direction D Horizontal direction S Sensor 1 Grade sorting device (conventional example)
2 Weight measurement system (conventional example)
3 Conveyor (conventional example)
4 Weigh scale (conventional example)
5 Receiver (conventional example)
6 Sprocket (conventional example)
7 Endless chain (conventional example)
8 Endless belt (conventional example)
9 Weight measurement system (present invention)
10 grade sorting device (present invention)
11 1st conveyor 12 2nd conveyor 12 'Left-right conveyor 13 Reception part (this invention)
14 Weigh scale (present invention)
DESCRIPTION OF SYMBOLS 15 Delivery mechanism 16 Fixed arm 17 Moving arm 18 Reception arm 19 Lifting arm 20 Horizontal drive shaft 21 Conveyance mechanism 23 Sprocket 24 Endless chain 25 Endless belt 26 Projection piece 27 Positioning means 28 Length alignment cutting means 29 Leaf dropping means 30 Rotation Mechanism 31 Guide 31 ₁ Guide 31 ₂ Guide 31 ₃ Guide 31 'Guide 32 Motor 33 Case 34 Center fixed hole 35 Bearing 36 Arm shaft 37 Position movable sprocket 38 Base plate 39 Position fixed sprocket 40 Bearing 41 Bearing 43 Endless chain 44 Sprocket 45 Endless Chain 46 Shaft 47 Alignment means 48 Grade selection means 49 Bundling means 50 Collection unit

Claims (6)

In the grade sorting apparatus 10 that measures the weight of the object A and classifies the object A according to the measured weight.
A weight measurement system 9 is provided between the first conveyor 11 that sequentially conveys and supplies the object A and the second conveyor 12 that performs grade selection while sequentially conveying the object A. Provided,
The weight measuring system 9 includes a weighing scale 14 and a delivery mechanism 15 disposed between the first conveyor 11 and the receiving portion 13 of the weighing scale 14.
The object A is made of chrysanthemums, roses, other flower buds, burdock, long onion, and other long vegetables, and is transported and delivered in a posture directed in the left-right direction D with respect to the front-rear direction, which is the transport direction B. A weight measuring system for a grade sorting device, characterized by being measured.   In Claim 1, the delivery mechanism 15 picks up the object A transferred and supplied by the first conveyor 11 and holds the object A, and picks up the object A from the fixed arm 16. A weight measuring system for a grade sorting device, characterized by having a moving arm 17 for carrying the weighing scale 14 to the receiving portion 13. In claim 2, the fixed arm 16 of the delivery mechanism 15 is fixed to at least two pairs on the left and right below the downstream end of the transport path of the first conveyor 11, and is dropped and supplied from the first conveyor 11. Further, the object A can be placed and held between each other,
The moving arm 17 of the delivery mechanism 15 is capable of reciprocating between the fixed arm 16 and the receiving portion 13 of the weighing scale 14, and at least a pair of left and right is in one set, and they are mutually connected during forward movement. The object A can be placed and held between them,
The weight measuring system for the grade sorting device is characterized in that the receiving portion 13 of the weighing scale 14 is composed of at least two pairs of receiving arms 18 on the left and right sides and can hold the object A between them. . In claim 3, the moving arm 17 of the delivery mechanism 15 picks up the object A held on the fixed arm 16 by lifting it,
The receiving part 13 of the weighing scale 14 scoops the object A carried by the moving arm 17 by the lowering of the moving arm 17,
In addition, at least two pairs of left and right uptake arms 19 attached to the second conveyor 12 pick up the object A after measurement held on the receiving part 13 of the weighing scale 14 by lifting. A weight measuring system for a grade sorting device, characterized in that it is used for transportation.   5. The weight meter according to claim 4, wherein the weighing scale is composed of a load cell, and a plurality of sets of moving arms 17 of the delivery mechanism 15 are used, and each set is rotationally driven around a horizontal drive shaft 20. , Weight measuring system for grade sorting device. 6. The measurement system according to claim 5, wherein the object A is composed of a flower bud, and the first conveyor 11 sequentially aligns, cuts the length of the object, and leaves a leaf while conveying the object A. 9, the objects A are sequentially held, moved and measured one by one,
A weight measuring system for a grade sorting device, wherein the objects A that have been graded one by one on the second conveyor 12 are bundled and collected for each sorting group.