WO2012056495A1 - ホッパ及びそれを用いた組合せ秤 - Google Patents
ホッパ及びそれを用いた組合せ秤 Download PDFInfo
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- WO2012056495A1 WO2012056495A1 PCT/JP2010/006341 JP2010006341W WO2012056495A1 WO 2012056495 A1 WO2012056495 A1 WO 2012056495A1 JP 2010006341 W JP2010006341 W JP 2010006341W WO 2012056495 A1 WO2012056495 A1 WO 2012056495A1
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- WIPO (PCT)
- Prior art keywords
- hopper
- weighing
- side wall
- weighed
- weighing hopper
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- 238000005303 weighing Methods 0.000 claims description 163
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
- G01G19/393—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value using two or more weighing units
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/22—Weigh pans or other weighing receptacles; Weighing platforms
Definitions
- the present invention relates to a hopper used for a combination weigher and a combination weigher using the same.
- a combination weigher has, for example, a plurality of weighing hoppers supported by a load cell for weighing the objects to be weighed and weighing the objects to be weighed. Is provided with a supply hopper for supplying an object to be weighed to each weighing hopper.
- Each of the weighing hopper and the supply hopper has a square horizontal cross section (see, for example, Patent Documents 1 and 2).
- FIG. 6A is a plan view showing the shape and arrangement of a conventional hopper (feed hopper or weighing hopper) of a combination weigher
- FIG. 6B is an enlarged view of a part of FIG. 6A. is there.
- a hopper (rectangular hopper) 52 having a horizontal cross-sectional shape is arranged in a circle around the center base 51.
- a discharge hopper serving as a lid for a lower opening is attached to a cylindrical hopper main body having upper and lower openings.
- the discharge gate and the like are not illustrated.
- the hopper such as the weighing hopper and the supply hopper used in the combination weigher has a discharge gate attached to a cylindrical hopper body.
- the hopper body needs to have a certain degree of rigidity in order to hold the supplied object to be weighed.
- the horizontal cross-sectional shape of the hopper body is square, the thickness of the hopper body is increased and the hopper itself is heavier.
- the combination weigher is often used for weighing food, and it is necessary to clean the hopper for hygiene purposes. The hopper is cleaned after the operator removes the hopper from the combination scale.
- the burden on the operator increases.
- a weighing hopper In the case of a weighing hopper, it is supported by a load cell, but the weighing section from the load cell to the weighing hopper can be considered as a cantilever, so if the tare weight of the weighing hopper is heavy, the natural frequency of the weighing section will be low. Therefore, there arises a problem that the responsiveness is lowered.
- the present invention has been made to solve the above-described problems, and is a hopper used in a combination weigher, which can reduce the weight and reduce the burden on an operator who performs attachment / detachment, cleaning, and the like. It is an object of the present invention to provide a hopper that can be used and a combination weigher using the hopper.
- Another object of the present invention is to provide a combination weigher capable of improving the responsiveness of a weighing unit including a load cell that supports a weighing hopper.
- the hopper of the present invention is used in a combination weigher for obtaining a combination of objects to be weighed in which the total weight is within a predetermined weight range, and discharging the objects to be weighed in the combination.
- a cylindrical hopper body to which an object to be combined is supplied through the upper opening, and a discharge gate for opening and closing the lower opening of the hopper body.
- the hopper body is composed of a cylindrical body in which four or more side walls are connected in an annular shape, and the horizontal cross-sectional shape thereof is configured to form a contour that is a convex region other than a square.
- An angle between a first imaginary plane in contact with the one adjacent side wall and a second imaginary plane in contact with the other side wall at a boundary portion of all the adjacent side walls, Territory supplied Angle side is configured to be 90 degrees or more.
- the thickness of the hopper body can be reduced to reduce the weight of the hopper. Therefore, it is possible to reduce the burden on the operator who attaches / detaches and cleans the hopper mounted on the combination weigher.
- the hopper body may be configured such that the horizontal cross-sectional shape forms a contour of a convex polygon having five or more sides.
- the hopper main body is constituted by five or more flat (planar) side walls and each side wall constituting the hopper main body is flat, processing when the hopper main body is manufactured is easy.
- the combination weigher of the present invention includes a plurality of the hoppers of the present invention.
- the combination weigher of the present invention is arranged in a circle around the casing, and is provided with a plurality of weighing hoppers composed of the hopper of the present invention, respectively, and is disposed inside the casing and penetrates the casing.
- a plurality of load cells that support the weighing hopper via a connecting member, and in any one of the weighing hoppers, a side wall adjacent to the other weighing hopper has a flat plate shape, and the surface and the plurality of load cells
- the center of the circle which is the arrangement shape of the weighing hopper is included in substantially the same plane.
- the side wall adjacent to the other weighing hopper has a flat plate shape, and the surface thereof and the center of a circle which is an arrangement shape of the plurality of weighing hoppers are substantially in the same plane.
- the gap between adjacent weighing hoppers can be reduced, the outer radius of the weighing hopper arrangement area can be reduced, and the center of gravity of the weighing hopper can be brought closer to the load cell in the housing. it can.
- the combination weigher can be made compact.
- the combination weigher of the present invention is arranged in a circle around the casing, and is provided with a plurality of weighing hoppers composed of the hopper of the present invention, respectively, and is disposed inside the casing and penetrates the casing.
- a plurality of load cells that support the weighing hopper via connecting connecting members, and one of the weighing hoppers and the other of the weighing hoppers are adjacent to the other weighing hopper of the one weighing hopper.
- the side wall and the side wall adjacent to the one weighing hopper of the other weighing hopper are configured to be substantially parallel to each other.
- This configuration can reduce the weight of the weighing hopper. Therefore, it is possible to reduce the burden on the operator who attaches / detaches and cleans the hopper mounted on the combination weigher. Further, in one weighing hopper and the other weighing hopper adjacent to each other, a side wall adjacent to the other weighing hopper of one weighing hopper and a side wall adjacent to the one weighing hopper of the other weighing hopper are substantially By configuring in parallel, the gap between adjacent weighing hoppers can be reduced, the outer radius of the weighing hopper placement area can be reduced, and the center of gravity of the weighing hopper can be brought closer to the load cell in the housing. Can do.
- the combination weigher can be made compact.
- the side walls of the one weighing hopper adjacent to the other weighing hopper and the side wall of the other weighing hopper adjacent to the one weighing hopper pass between these side walls, and the plurality of weighing hoppers You may be comprised along the virtual line which goes to the center of the circle
- the horizontal cross-sectional shape of the side wall of the weighing hopper opposite to the housing may be configured to be an arc shape.
- convex region is defined as follows. When a line segment connecting two arbitrary points in a region D on a certain plane is considered, if all points on the line segment are included in the region D, the region D is called a convex region.
- the present invention provides a hopper that has the above-described configuration, can be reduced in weight, can reduce the burden on an operator who performs attachment / detachment, cleaning, and the like, and a combination weigher using the hopper. There is an effect that can be done.
- the present invention has an effect that it is possible to provide a combination weigher that can improve the responsiveness of a weighing unit including a load cell that supports a weighing hopper.
- FIG. 1 is a schematic diagram illustrating an example of a schematic configuration of the combination weigher according to the first embodiment of the present invention.
- FIG. 2 is a plan view showing a schematic configuration of an example of a supply hopper used in the combination weigher of the first embodiment.
- FIG. 3A, FIG. 3B, and FIG. 3C are plan views showing other examples of the hopper body used in the supply hopper and the weighing hopper in the first embodiment, respectively.
- Fig.4 (a) is a top view which shows the shape and arrangement
- FIG.4 (b) is the figure which expanded a part of Fig.4 (a).
- FIG.5 (a) is a top view which shows an example of the hopper main body of the weighing hopper in 2nd Embodiment
- FIG.5 (b), FIG.5 (c), FIG.5 (d) each shows 2nd It is a top view which shows the other example of the hopper main body of the weighing hopper in embodiment.
- FIG. 6A is a plan view showing the shape and arrangement of a hopper of a conventional combination weigher
- FIG. 6B is an enlarged view of a part of FIG. 6A.
- FIG. 1 is a schematic diagram illustrating an example of a schematic configuration of the combination weigher according to the first embodiment of the present invention.
- a center base 17 (housing) supported by, for example, four legs (not shown) is disposed at the center thereof.
- the center base body 17 has a substantially cylindrical or regular polygonal outer shape, and a dispersion feeder 11 and a linear feeder 12 are disposed on the upper surface thereof, and a supply hopper 13 and a weighing hopper 14 are disposed around the side surface. Is arranged.
- the supply hopper 13 is supported by the center base body 17, and the weighing hopper 14 is supported by the load cell 15 fixed inside the center base body 17 via the connecting member 20.
- an actuator (not shown) of discharge gates 13G and 14G of the supply hopper 13 and the weighing hopper 14 is provided inside the center base body 17.
- the dispersion feeder 11 has a conical shape at the center thereof in order to disperse the objects to be weighed supplied from an external supply device (not shown) radially by vibration.
- linear feeders 12 are provided for feeding the objects to be weighed sent from the dispersion feeder 11 to the respective supply hoppers 13 by vibration.
- a plurality of supply hoppers 13 and a plurality of weighing hoppers 14 are provided corresponding to each other and arranged in a circular shape.
- the supply hopper 13 is provided with a discharge gate 13G in a cylindrical hopper main body 13B, temporarily holds an object to be weighed sent from the linear feeder 12, and opens the discharge gate 13G so as to dispose the weighing hopper 14 disposed below it. The object to be weighed is discharged.
- the weighing hopper 14 is provided with a discharge gate 14G on a cylindrical hopper main body 14B, temporarily holds the objects to be supplied from the supply hopper 13 thereabove, and collects the objects to be measured by opening the discharge gate 14G. Discharge to the chute 16.
- the weighing hopper 14 is supported by a load cell 15 as a load detector via a connecting member 20 that penetrates the center base body 17.
- the connecting member 20 is connected to the weighing hopper 14 and the load cell 15 through a through hole (not shown) provided in the center base body 17.
- the load signal (electric signal) output from each load cell 15 is input to the control device 18.
- a substantially inverted frustoconical collective chute 16 is disposed, and the objects to be weighed discharged from the weighing hopper 14 slide down on the collective chute 16 and below it. For example, it is discharged from a discharge port 16a to a packaging machine (not shown).
- the control device 18 includes a CPU, a microcontroller including a ROM and RAM memory in which the CPU operation program and operation parameters are stored, and the CPU executes the operation program stored in the ROM.
- the control device 18 controls the vibration amplitude and the operation time of the dispersion feeder 11 and the linear feeder 12.
- the actuator for opening and closing the discharge gate 13G of the supply hopper 13 and the discharge gate 14G of the weighing hopper 14 is controlled.
- the control device 18 receives a load signal output from the load cell 15 that supports the weighing hopper 14, and calculates a weight of an object to be weighed held by the weighing hopper 14 based on the load signal. Function as. Furthermore, it functions as combination means for performing combination processing. In this combination processing, a combination calculation is performed based on the calculated weight of the objects to be measured, and one combination of objects to be weighed whose total weight falls within a predetermined weight range determined in advance is set as a discharge combination. .
- the control device 18 discharges the object to be weighed from the weighing hopper 14 by opening and closing the discharge gate 14G of the weighing hopper 14 holding the object to be weighed selected as the discharge combination at a predetermined timing.
- the object to be weighed is supplied from the supply hopper 13 above the weighing hopper 14 which has been emptied by discharging the object to be weighed.
- the object to be weighed is supplied to the empty supply hopper 13 from the linear feeder 12 above.
- control device 18 does not necessarily need to be configured as a single control device, and a plurality of control devices may be arranged in a distributed manner so that they cooperate to control the operation of the combination weigher. Good.
- FIG. 2 is a plan view showing a schematic configuration of an example of the supply hopper 13 used in the combination weigher of the present embodiment.
- the supply hopper 13 is supported by the center base 17 by attaching the mounting bracket 19 fixed to the hopper body 13 ⁇ / b> B of the supply hopper 13 to a hopper holding portion (not shown) provided on the center base 17.
- the discharge gate of the supply hopper 13 and the hopper holding portion are not shown.
- the hopper body 13B of the supply hopper 13 includes eight side walls W1 to W8, and is configured in a cylindrical shape having an upper opening and a lower opening. Further, the horizontal cross-sectional shape of the hopper main body 13B has an octagonal outline by eight side walls W1 to W8. The planar shape of the upper opening of the hopper body 13B is also an octagon.
- the lower opening of the hopper body 13B is opened and closed by a discharge gate 13G (FIG. 1). When the discharge gate 13G is closed and the lower opening is closed, the object to be weighed is supplied through the upper opening. When the discharge gate 13G is opened, the lower opening is opened and the object to be weighed is discharged. .
- the configuration of the weighing hopper 14 is the same as the configuration of the supply hopper 13 described above with reference to FIG.
- a mounting bracket 19 (see FIG. 2) fixed to the hopper body 14 ⁇ / b> B is attached to a hopper holding portion (not shown) provided on the connecting member 20 to be supported by the load cell 15. Is done.
- the horizontal cross-sectional shape of the conventional square-shaped hopper 52 forms a rectangular or square-shaped outline
- the supply hopper 13 and the weighing hopper 14 are configured such that the hopper bodies 13B and 14B each have eight side walls, and the horizontal cross-sectional shape forms an octagonal outline.
- the thickness of the side walls of the hopper main bodies 13B and 14B can be reduced, and the weight of the supply hopper 13 and the weighing hopper 14 can be reduced.
- the weight in this way it is possible to reduce the burden on the operator when performing operations such as cleaning by removing the supply hopper 13 and the weighing hopper 14.
- the horizontal cross-sectional shape of the hopper main bodies 13B and 14B has an octagonal outline, and all the internal angles of the octagons exceed 90 degrees (that is, all the angles formed by adjacent side walls exceed 90 degrees). Therefore, compared to the conventional rectangular hopper 52, there is an effect that the powder of the object to be weighed is not easily collected at the corner and cleaning is easy.
- the weighing unit from the load cell 15 to the weighing hopper 14 can be considered as a cantilever beam, by reducing the weight of the weighing hopper 14, the natural frequency of the weighing unit can be increased and the response can be improved. Can do. This also makes it possible to improve the weighing speed of the combination weigher.
- 3 (a), 3 (b), and 3 (c) are plan views showing other examples of the hopper body used in the supply hopper 13 and the weighing hopper 14 in the present embodiment, respectively.
- the hopper main body HB1 shown in FIG. 3 (a) is configured by five side walls W11 to W15, and the horizontal cross-sectional shape thereof is configured to form a pentagonal contour composed of convex regions.
- the angle formed between the side wall W11 and the side wall W15 and the angle formed between the side wall W14 and the side wall W15 are 90 degrees, but the angle formed between the other adjacent side walls exceeds 90 degrees.
- the effect that the powder of the object to be weighed is not easily collected at the corner and is easy to clean is obtained.
- the hopper body HB2 shown in FIG. 3 (b) is composed of six side walls W21 to W26, and the horizontal cross-sectional shape is a hexagonal outline made up of convex areas.
- the hopper body HB3 shown in FIG. 3 (c) is configured by four side walls W31 to W34, and the horizontal cross-sectional shape thereof forms the contour of the convex region.
- one side wall W32 is formed in a curved surface shape (the horizontal section is an arc shape). Also by being formed into a curved surface in this way, the cross-sectional secondary moment can be improved and the rigidity can be increased.
- the side wall 34 may be formed in a curved surface.
- a hopper (memory hopper) that temporarily holds and discharges an object to be weighed discharged from the weighing hopper 14 is provided obliquely below each weighing hopper 14.
- the object to be weighed may be selectively discharged to the hopper and the collecting chute 16.
- the memory hopper can be configured in the same manner as the supply hopper 13 and the weighing hopper 14 to reduce the weight.
- the supply hopper 13 and the weighing hopper 14 in the present embodiment are not only used in a combination weigher in which these hoppers are arranged in a circle, but are arranged in a shape other than a circle. It can also be used for combination weighers. For example, a combination weigher in which the hopper is arranged in a straight line or a combination weigher in which the hopper is arranged in another shape can be used.
- FIG. 4 (a) is a plan view showing the shape and arrangement of the weighing hopper in the present embodiment
- FIG. 4 (b) is an enlarged view of a part of FIG. 4 (a).
- 4 (a) and 4 (b) only the hopper body of the weighing hopper 14 is illustrated, and the discharge gate and the mounting bracket fixed to the hopper body are not illustrated.
- FIG. 5A is a plan view showing an example of a hopper body of the weighing hopper in the present embodiment, and FIGS. 5B, 5C, and 5D are respectively shown in the present embodiment. It is a top view which shows the other example of the hopper main body of the measurement hopper in.
- the weighing hopper 14 shown in FIGS. 4 (a) and 4 (b) has a hopper body HB4 having six side walls W41 to W46, as shown in FIG. 5 (a). It is comprised by the cylinder shape which has. Further, the horizontal cross-sectional shape of the hopper body HB4 is configured to form the contour of a convex region. In this case, the side wall W42 facing the outside of the combination weigher is formed in a curved surface shape (the horizontal section is an arc shape). Also, as shown in FIG.
- each weighing hopper 14 in each weighing hopper 14, the extension lines (L1 to L4, etc.) along the wall surfaces of the side walls W41 and W43 adjacent to the adjacent weighing hoppers 14 are the arrangement shape of the weighing hoppers 14. It is configured to pass through the center O of the circle.
- each weighing hopper 14 is configured such that the surfaces of the flat side walls W41 and W43 adjacent to the weighing hoppers 14 adjacent to each other and the center O of the circle are included in substantially the same plane.
- the supply hopper 13 is configured in the same manner as the weighing hopper 14.
- the center of gravity of the weighing hopper 14 can be brought closer to the load cell 15, so that the natural frequency of the weighing section is increased and the response is increased. It is possible to further improve the performance. This also makes it possible to further improve the weighing speed of the combination weigher.
- the diameter of the circle that is the arrangement shape of the plurality of weighing hoppers 14 is reduced, and similarly the diameter of the circle that is the arrangement shape of the plurality of supply hoppers 13 is also reduced. Can be made compact.
- 5 (b), 5 (c), and 5 (d) are plan views showing other examples of the hopper body used in the supply hopper 13 and the weighing hopper 14 in the present embodiment, respectively.
- the hopper body HB5 shown in FIG. 5 (b) has a configuration in which the curved side wall W42 of the hopper body HB4 shown in FIG. 5 (a) is replaced with three planar side walls W52 to W54.
- W58 is configured such that its horizontal cross-sectional shape forms an octagonal outline consisting of a convex region.
- the hopper body HB6 shown in FIG. 5 (c) has a configuration in which the side walls W44 and W46 are not provided in the hopper body HB4 shown in FIG. 5 (a).
- the hopper body HB6 includes four side walls W61 to W64.
- the cross-sectional shape is configured to form a contour having a convex region.
- the hopper body HB7 shown in FIG. 5 (d) has a configuration in which the curved side wall W62 of the hopper body HB6 shown in FIG. 5 (c) is replaced with three planar side walls W72 to W74, and the six side walls W71 to W74.
- W76 is configured such that the horizontal cross-sectional shape forms a hexagonal outline made of a convex region.
- each weighing hopper 14 the extension lines (L1 to L4, etc.) along the wall surfaces of the side walls W41 and W43 adjacent to both the weighing hoppers 14 are weighed.
- the adjacent weighing hoppers 14 may be configured such that adjacent side walls are substantially parallel to each other.
- a part of the space Ws (see FIG. 6B) between the conventional rectangular hoppers 52 is used in the area of the weighing hopper 14 and compared with the gravity center position G2 of the conventional rectangular hopper 52.
- the center of gravity of the weighing hopper 14 can be brought closer to the housing 17.
- the three weighing hoppers 14 shown in FIG. 4B are sequentially labeled from left to right 14L, 14M, 14R, the side wall W41 of the left weighing hopper 14L and the central weighing hopper 14M
- the side wall W43 of the center weighing hopper 14M and the side wall W43 of the right weighing hopper 14R are substantially parallel to each other.
- the side wall W41 of the left weighing hopper 14L and the side wall W43 of the central weighing hopper 14M pass between these side walls at the center O of the circle as the arrangement shape of the plurality of weighing hoppers 14.
- a side wall W41 of the center weighing hopper 14M and a side wall W43 of the right side weighing hopper 14R pass through these side walls toward the center O of the circle. It is preferable if the hopper body HB4 is configured along L12, since the hopper body HB4 is symmetric. The same applies to the hopper bodies HB5 to HB7 shown in FIGS. 5 (b) to 5 (d).
- a hopper (memory hopper) that temporarily holds and discharges an object to be weighed discharged from the weighing hopper 14 is provided obliquely below each weighing hopper 14.
- the object to be weighed may be selectively discharged to the hopper and the collecting chute 16.
- the memory hopper can be configured in the same manner as the supply hopper 13 and the weighing hopper 14 to reduce the weight.
- Each hopper body of all the weighing hoppers and supply hoppers exemplified in the first and second embodiments is formed of a cylindrical body in which four or more side walls are connected in an annular shape, and the horizontal sectional shape thereof is a convex region other than a square. It is comprised so that the outline of the shape to become may be made. Further, the hopper body has an angle formed by a first virtual plane in contact with one adjacent side wall and a second virtual plane in contact with the other side wall at the boundary portion of all adjacent side walls, The angle ( ⁇ ) on the region side where the object is supplied is configured to be 90 degrees or more. This will be described below.
- the angle ⁇ 2 on the region side where the object to be weighed is supplied is 90 degrees or more.
- the adjacent side walls are both planar, the above angle ⁇ is equal to the angle formed by the two adjacent side walls.
- the angles ⁇ 3 to ⁇ 6 of B6 are all 90 degrees or more.
- the horizontal cross-sectional shape of the hopper main body has a contour that forms a convex region
- the angle ⁇ is 180 degrees or less
- the adjacent side walls When both are planar, the angle ⁇ is less than 180 degrees.
- all the wall surfaces of the hopper body are flat (flat), that is, when the horizontal cross-sectional shape of the hopper main body is a polygon composed of five or more sides, the horizontal cross-sectional shape becomes a convex polygon.
- the above-mentioned angles ⁇ formed by adjacent wall surfaces are all less than 180 degrees.
- the detailed configurations of the discharge gates 13G and 14G (FIG. 1) of the supply hopper 13 and the weighing hopper 14 are omitted, but the discharge gates 13G and 14G are omitted. It is designed appropriately according to the shape of the hopper body so that the objects to be weighed can be stored in the hopper when the discharge gates 13G and 14G are closed, and the objects to be weighed in the hopper are discharged when opened. That's fine.
- the discharge gates 13G and 14G may be constituted by two gates as shown in FIG. 1 or may be constituted by one gate.
- the present invention is useful as a hopper that can be reduced in weight and can reduce the burden on an operator who performs attachment / detachment, cleaning, and the like, and a combination weigher using the hopper.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
Abstract
Description
図1は、本発明の第1の実施形態の組合せ秤の概略構成の一例を示す模式図である。
第2の実施形態における組合せ秤の概略構成は、第1の実施形態で説明した図1に示す組合せ秤と同様である。
13B ホッパ本体
13G 排出ゲート
14 計量ホッパ
14B ホッパ本体
14G 排出ゲート
15 ロードセル
16 集合シュート
17 センター基体
18 制御装置
20 連結部材
HB1~HB7 ホッパ本体
W1~W8 側壁
W11~W15 側壁
W21~W26 側壁
W31~W34 側壁
W41~W46 側壁
W51~W58 側壁
W61~W64 側壁
W71~W76 側壁
B1~B6 隣合う側壁の境界部分
F1~F4 仮想平面
L11,L12 仮想ライン
Claims (7)
- 合計重量が所定重量範囲内となる被計量物の組合せを求めて、その組合せの被計量物を排出する組合せ秤に用いられ、上部開口部及び下部開口部を有し、前記上部開口部を通じて前記組合せの対象となる予定の被計量物が供給される筒状のホッパ本体と、前記ホッパ本体の下部開口部を開閉する排出ゲートとを有するホッパであって、
前記ホッパ本体は、
4つ以上の側壁が環状につながってなる筒体からなり、その水平断面形状が、方形以外の凸領域となる形状の輪郭をなすように構成されるとともに、
全ての隣合う前記側壁の境界部分において、前記隣合う一方の前記側壁と接する第1の仮想平面と他方の前記側壁と接する第2の仮想平面とのなす角度であって、被計量物が供給される領域側の角度が90度以上であるように構成された、ホッパ。 - 前記ホッパ本体は、その水平断面形状が、5辺以上の辺を有する凸多角形の輪郭をなすように構成された、請求項1に記載のホッパ。
- 請求項1または請求項2に記載のホッパを複数備えた、組合せ秤。
- 筐体の周囲に円状に配置され、請求項1に記載のホッパからなる複数の計量ホッパと、
それぞれ、前記筐体の内部に配設され、前記筐体を貫通する連結部材を介して前記計量ホッパを支持する複数のロードセルとを備え、
任意の一の前記計量ホッパにおいて、他の前記計量ホッパと隣接する側壁は、平板状であり、かつその表面と前記複数の計量ホッパの配置形状である円の中心とが実質的に同一平面内に含まれるように構成された、組合せ秤。 - 筐体の周囲に円状に配置され、請求項1に記載のホッパからなる複数の計量ホッパと、
それぞれ、前記筐体の内部に配設され、前記筐体を貫通する連結部材を介して前記計量ホッパを支持する複数のロードセルとを備え、
互いに隣接する一方の前記計量ホッパと他方の前記計量ホッパとにおいて、前記一方の計量ホッパの前記他方の計量ホッパと隣接する側壁と、前記他方の計量ホッパの前記一方の計量ホッパと隣接する側壁とが実質的に平行となるように構成された、組合せ秤。 - 前記一方の計量ホッパの前記他方の計量ホッパと隣接する側壁と、前記他方の計量ホッパの前記一方の計量ホッパと隣接する側壁とが、これらの側壁の間を通って前記複数の計量ホッパの配置形状である円の中心に向う仮想ラインに沿うように構成された、請求項5に記載の組合せ秤。
- 前記計量ホッパの前記筐体とは反対側の側壁の水平断面形状が円弧状となるように構成された、請求項4~6のいずれかに記載の組合せ秤。
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US13/881,138 US9459133B2 (en) | 2010-10-27 | 2010-10-27 | Hopper and combination weigher using hopper |
PCT/JP2010/006341 WO2012056495A1 (ja) | 2010-10-27 | 2010-10-27 | ホッパ及びそれを用いた組合せ秤 |
ES10858887T ES2862582T3 (es) | 2010-10-27 | 2010-10-27 | Tolva y balanza combinada que utiliza la misma |
EP10858887.2A EP2634545B1 (en) | 2010-10-27 | 2010-10-27 | Hopper and combination scale using same |
JP2012540542A JP5406380B2 (ja) | 2010-10-27 | 2010-10-27 | 組合せ秤 |
CN201080068499.XA CN103026188B (zh) | 2010-10-27 | 2010-10-27 | 组合秤 |
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US9459133B2 (en) | 2016-10-04 |
ES2862582T3 (es) | 2021-10-07 |
JP5406380B2 (ja) | 2014-02-05 |
JPWO2012056495A1 (ja) | 2014-02-24 |
US20130292191A1 (en) | 2013-11-07 |
EP2634545A1 (en) | 2013-09-04 |
EP2634545B1 (en) | 2021-01-20 |
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