JPH0626913A - Weighed material processing device for electronic force balance - Google Patents

Abstract

PURPOSE:To relax the limitation of the installation place, and aim an the smooth weighing and filling by arranging an annular gutter member under each weighing hopper, and forming a discharge hole at a part thereof, and providing a belt conveyor, which is rotated along the gutter member and toward the discharge hole, in the bottom surface of the gutter member. CONSTITUTION:An umbrella-like material 22 is provided in the upper part of the central part of an electronic force balance main body 21, and multiple gutters 23 are provided radially in the surrounding of the main body 21, and hoppers 24 are arranged annularly under the tips of the gutters 23. Each hopper 24 is provided with a shutter 25 to be opened and closed by the command of a computer. A gutter member 26 having a groove-like cross section is arranged annularly under the hoppers 24, and supports the main body 21 through brackets 27. Furthermore, an endless conveyor belt 28 is provided in the bottom surface of the gutter member 26, and both ends thereof are supported by pulleys 30, 31 provided with a space of a discharge hole 29 formed at a part of the gutter member 26. A motor 32 is connected to a shaft of one pulley 30. The belt 28 is rotated along the annular gutter member 26 by the motor 32, and when the belt 28 receives an article from the hopper 24, the article is discharged from the discharge hole 29 and filled in a bag 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for centrally processing a weighed article in an electronic scale for computer processing the weight of the article.

[0002]

2. Description of the Related Art In a conventional scale of this type, as shown in FIG. 10, for example, about 10 to 20 weighing hoppers (2) and (2) are annularly arranged around a main body (1) and a bucket is used. Items transported from below by the conveyor (3) are
Discharge it to the top of (4) and disperse it in all directions, guide the article that slides down the slope of the umbrella shape (4) into the gutter (5) (5), and further gutter.
The vibration of (5) is used to supply little by little into the weighing hopper (2). Then, the weight of each of the articles in each weighing hopper (2) is calculated by the load cell, while the computer selects an appropriate number of weighing hoppers with a small total weighing error from the large number of weighing hoppers (2). The selected appropriate number of weighing hoppers (2) open the shutter (6) by a command signal from the bagging machine (11), and the released articles are concentrated hoppers.
The bag (8) is filled through the (7).

[0003]

However, the central hopper (7) in the electronic scale described above has a size such that the diameter of the upper part (9) thereof covers all the weighing hoppers (2). , The height (10) becomes larger according to the diameter. As a result, the hopper is concentrated at the height of the lower bagging machine (11).
Since the height of (7) is added, the height of the entire device is more than 5 meters, and it may not be possible to install it in an existing building. Also, since the released articles concentrate on the exit (12) of the centralized hopper, the exit or the second hopper (13) below
However, there is a defect that the articles are easily lost in the inside. Therefore, the present invention improves the centralized hopper to eliminate the above-mentioned drawbacks.

[0004]

According to the first aspect of the present invention, in order to achieve the above-mentioned object, the weight of each article fed into a large number of annularly arranged weighing hoppers is measured, and each of these articles is measured. In the electronic scales in which the weight measurement values are electrically input to the computer and calculated, and a part of the weighing hoppers selected from the respective weighing hoppers are opened at a specified time interval to discharge the articles, the above-mentioned annularly arranged electronic scales are arranged. An annular gutter is disposed below the weighing hopper, a discharge hole is formed in a part of the gutter, and the bottom of the gutter rotates along the gutter and toward the discharge hole. It is configured by providing a belt conveyor.

According to the third aspect of the present invention, the weight of each article supplied to each of a large number of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation. Then, in an electronic balance that discharges articles by opening a part of the weighing hoppers selected from each weighing hopper at a specified time interval, an annular gutter member is arranged below each of the annularly arranged weighing hoppers. A discharge hole is formed in a part of the gutter material, and a scraping plate that rotates along the gutter material and toward the discharge hole is provided inside the gutter material.

According to a fifth aspect of the present invention, the weight of each article supplied to each of a large number of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation. In an electronic scale that discharges articles by opening some of the weighing hoppers selected from each weighing hopper at specified time intervals, a turntable that rotates in one direction is arranged below each of the annularly arranged weighing hoppers. At the same time, a discharge hole is formed in the center of the turntable, and a large number of spiral guide plates are provided on the turntable in the direction of rotation of the turntable to concentrate on the discharge hole. It is a thing.

[0007]

When the weighing hopper selected in response to the command from the computer in the electronic scale is opened, the articles in the weighing hopper are discharged into the annular gutter material below the weighing hopper. And by the rotation of the belt conveyor provided in the gutter,
The article is transported along the gutter and discharged through a discharge hole formed in a part of the gutter.

According to the third aspect of the invention, when the selected weighing hopper is opened by a command from a computer in the electronic scale, the articles in the weighing hopper are discharged into the annular gutter material below the weighing hopper. The pushing force of the sweeping plate that rotates in the gutter material causes it to be scraped into the discharge hole.

Further, according to the invention of claim 5, a part of the weighing hoppers selected by a command from the computer is opened,
When the article is ejected between the spiral guide plates on the turntable, the article is concentrated and ejected along the spiral guide plate to the central ejection hole by the rotation of the turntable.

[0010]

[Example] As shown in FIG. 1, an umbrella-shaped member (22) is provided in the upper center of a main body (21) of an electronic scale supported by a proper number of supporting legs (20), and the umbrella-shaped member (22) is surrounded by the umbrella-shaped member (22). A large number of gutters (23) are provided radially, and weighing hoppers (24) are installed below the tips of the gutter members (23) as shown in FIG. 2 so that the weighing hoppers are annularly arranged. The (24) is provided with a shutter (25) that opens and closes according to an instruction from a computer in the main body. Further, a gutter member (26) having a groove-shaped cross section is annularly arranged on the lower side of each of the weighing hoppers (24), and each gutter member (26) is supported by the main body through a bracket (27). 4, a bottom end of the gutter material (26) is provided with a folded endless conveyor belt (28), and both ends of the belt (28) are formed in a part of the gutter material as shown in FIG. The belt conveyor is constructed by supporting the pulleys (30) and (31) installed apart from each other and connecting the motor (32) to the pulley shaft on one side. The belt (28) is rotated along the ring-shaped gutter (26) by the power of the motor (32), and the three or four weighing hoppers (24) are simultaneously instructed by a command from the lower bagger. When the articles are discharged, the articles are received in the gutter member (26), sequentially conveyed on the belt (28) in an annular shape, and then discharged from the discharge hole (29), and the hopper (33). And is filled into the packaging bag (34) via the. As shown in FIG. 5, a plurality of belts (35) are provided on the bottom of the gutter (26).
By providing (36) and rotating these belts (35) and (36) in opposite directions toward the discharge hole (29) by separate motors (37) and (38), the discharge time of the article can be shortened. .

FIGS. 6 and 7 show an embodiment different from the conveyance of articles by a belt conveyor, in which an annular gutter (2
The outer peripheral surface of 6) is supported on the supporting leg (20) supporting the main body of the electronic scale via the bracket (40), and the motor centering on the gutter material is used.
The two arms (42) and (43) are rotated in opposite directions by the (41), and the scraping plates (44) and (45) fixed to the respective tips of the respective arms are attached to the discharge holes. It is configured to rotate along the inside of the gutter (26) toward the (29).

Further, in another embodiment shown in FIG. 8, a circular turntable (50) is arranged below a large number of annularly arranged weighing hoppers, and the turntable is constantly rotated in the direction of arrow (51). And the discharge hole (52) is formed at the center of the turntable. This Turntable (50)
The plate may be a flat plate, but as shown in FIG.
Make a gentle slope toward 2). Further, a large number of guide plates (55) are hung from the lower surface of the main body (54) supported by the legs (53) toward the upper surface of the turntable (50). Each of the guide plates (55) has a discharge hole (52) toward the rotation direction (51) of the turntable (50).
It is formed in a spiral shape so that it concentrates on. Then, from some of the weighing hoppers selected and opened by the computer, the article (56) is discharged between the guide plates (55), and the article (56) is guided by the turning force of the turntable (50). Board (5
It moves toward the discharge hole (52) along 5), and the bag below is filled from the discharge hole (52). In this case, the article (56) rubs against the guide plate (55) and the turntable (50), causing a slight time delay in the movement of each article. The cause of is canceled.

[0013]

The present invention discharges articles from a large number of annularly arranged weighing hoppers into an annular gutter provided below the weighing hoppers, or discharges articles from each weighing hopper onto a turntable. After the article is conveyed in the plane direction along the gutter or turntable, it is discharged from the discharge hole formed in the gutter or turntable.First, since the gutter or turntable can be formed in a plane, Compared to conventional electronic scales, the height is shorter and the restrictions on installation location are alleviated.In addition, the framework of the electronic scale is downsized, while the articles discharged from the weighing hopper are vertically oriented like conventional centralized hoppers. Since it does not flow into the outlet and is not concentrated at the outlet and is discharged with a time lag on a flat surface, there is an effect that the article does not become clogged and smooth metering and filling can be performed.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a plan view of the previous figure.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is a IV-IV line view in the previous figure.

FIG. 5 is an explanatory view of another embodiment of the same portion as the previous figure.

FIG. 6 is an explanatory view of another embodiment.

FIG. 7 is a view taken along line VII-VII in the previous figure.

FIG. 8 is a plan view of another embodiment.

FIG. 9 is a front sectional view of the above.

FIG. 10 is an explanatory diagram of a conventional example.

[Explanation of symbols]

 (24)… Weighing hopper (26)… Gutter (28)… Belt (29)… Eject hole (50)… Turntable (52)… Eject hole (55)… Guide plate

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[Procedure amendment]

[Submission date] June 3, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 5

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be amended] Detailed explanation of the invention

[Correction method] Change

[Correction content]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for centrally processing a weighed article in an electronic scale for computer processing the weight of the article.

[0002]

2. Description of the Related Art In a conventional scale of this type, as shown in FIG. 10, for example, about 10 to 20 weighing hoppers (2) and (2) are annularly arranged around a main body (1) and a bucket is used. Items transported from below by the conveyor (3) are
Discharge it to the top of (4) and disperse it in all directions, guide the article that slides down the slope of the umbrella shape (4) into the gutter (5) (5), and further gutter.
By the vibration of (5), supply little by little into the weighing hopper (2). Then, the weight of each of the articles in each weighing hopper (2) is calculated by the load cell, while the computer selects an appropriate number of weighing hoppers with a small total weighing error from the large number of weighing hoppers (2). The selected appropriate number of weighing hoppers (2) open the shutter (6) by a command signal from the bagging machine (11), and the released articles are concentrated hoppers.
The bag (8) is filled through the (7).

[0003]

However, the central hopper (7) in the electronic scale described above has a size such that the diameter of the upper part (9) thereof covers all the weighing hoppers (2). , The height (10) becomes larger according to the diameter. As a result, the hopper is concentrated at the height of the lower bagging machine (11).
Since the height of (7) is added, the height of the entire device is more than 5 meters, and it may not be possible to install it in an existing building. Also, since the released articles concentrate on the exit (12) of the centralized hopper, the exit or the second hopper (13) below
However, there is a defect that the articles are easily lost in the inside. Therefore, the present invention improves the centralized hopper to eliminate the above-mentioned drawbacks.

[0004]

According to the first aspect of the present invention, in order to achieve the above-mentioned object, the weight of each article fed into a large number of annularly arranged weighing hoppers is measured, and each of these articles is measured. In the electronic scales in which the weight measurement values are electrically input to the computer and calculated, and a part of the weighing hoppers selected from the respective weighing hoppers are opened at a specified time interval to discharge the articles, the above-mentioned annularly arranged electronic scales are arranged. An annular gutter is disposed below the weighing hopper, a discharge hole is formed in a part of the gutter, and the bottom of the gutter rotates along the gutter and toward the discharge hole. It is configured by providing a belt conveyor.

According to the third aspect of the present invention, the weight of each article supplied to each of a large number of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation. Then, in an electronic balance that discharges articles by opening a part of the weighing hoppers selected from each weighing hopper at a specified time interval, an annular gutter member is arranged below each of the annularly arranged weighing hoppers. A discharge hole is formed in a part of the gutter material, and a scraping plate that rotates along the gutter material and toward the discharge hole is provided inside the gutter material.

According to a fifth aspect of the present invention, the weight of each article supplied to each of a large number of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation. In an electronic scale that discharges articles by opening some of the weighing hoppers selected from each weighing hopper at specified time intervals, a turntable that rotates in one direction is arranged below each of the annularly arranged weighing hoppers. At the same time, a discharge hole is formed in the center of the turntable, and a large number of spiral guide plates are provided on the turntable in the direction of rotation of the turntable to concentrate on the discharge hole. It is a thing.

[0007]

When the weighing hopper selected in response to the command from the computer in the electronic scale is opened, the articles in the weighing hopper are discharged into the annular gutter material below the weighing hopper. And by the rotation of the belt conveyor provided in the gutter,
The article is transported along the gutter and discharged through a discharge hole formed in a part of the gutter.

According to the third aspect of the invention, when the selected weighing hopper is opened by a command from a computer in the electronic scale, the articles in the weighing hopper are discharged into the annular gutter material below the weighing hopper. The pushing force of the sweeping plate that rotates in the gutter material causes it to be scraped into the discharge hole.

Further, according to the invention of claim 5, a part of the weighing hoppers selected by a command from the computer is opened,
When the article is ejected between the spiral guide plates on the turntable, the article is concentrated and ejected along the spiral guide plate to the central ejection hole by the rotation of the turntable.

[0010]

[Example] As shown in FIG. 1, an umbrella-shaped member (22) is provided in the upper center of a main body (21) of an electronic scale supported by a proper number of supporting legs (20), and the umbrella-shaped member (22) is surrounded by the umbrella-shaped member (22). A large number of gutters (23) are provided radially, and weighing hoppers (24) are installed below the tips of the gutter members (23) as shown in FIG. 2 so that the weighing hoppers are annularly arranged. The (24) is provided with a shutter (25) that opens and closes according to an instruction from a computer in the main body. Further, a gutter member (26) having a groove-shaped cross section is annularly arranged on the lower side of each of the weighing hoppers (24), and each gutter member (26) is supported by the main body through a bracket (27). 4, a bottom end of the gutter material (26) is provided with a folded endless conveyor belt (28), and both ends of the belt (28) are formed in a part of the gutter material as shown in FIG. The belt conveyor is constructed by supporting the pulleys (30) and (31) installed apart from each other and connecting the motor (32) to the pulley shaft on one side. The belt (28) is rotated along the ring-shaped gutter (26) by the power of the motor (32), and the three or four weighing hoppers (24) are simultaneously instructed by a command from the lower bagger. When the articles are discharged, the articles are received in the gutter member (26), sequentially conveyed on the belt (28) in an annular shape, and then discharged from the discharge hole (29), and the hopper (33). And is filled into the packaging bag (34) via the. As shown in FIG. 5, a plurality of belts (35) are provided on the bottom of the gutter (26).
By providing (36) and rotating these belts (35) and (36) in opposite directions toward the discharge hole (29) by separate motors (37) and (38), the discharge time of the article can be shortened. .

FIGS. 6 and 7 show an embodiment different from the conveyance of articles by a belt conveyor, in which an annular gutter (2
The outer peripheral surface of 6) is supported on the supporting leg (20) supporting the main body of the electronic scale via the bracket (40), and the motor centering on the gutter material is used.
The two arms (42) and (43) are rotated in opposite directions by the (41), and the scraping plates (44) and (45) fixed to the respective tips of the respective arms are attached to the discharge holes. It is configured to rotate along the inside of the gutter (26) toward the (29).

Further, in another embodiment shown in FIG. 8, a circular turntable (50) is arranged below a large number of annularly arranged weighing hoppers, and the turntable is constantly rotated in the direction of arrow (51). And the discharge hole (52) is formed at the center of the turntable. This Turntable (50)
The plate may be a flat plate, but as shown in FIG.
Make a gentle slope toward 2). Further, a large number of guide plates (55) are hung from the lower surface of the main body (54) supported by the legs (53) toward the upper surface of the turntable (50). Each of the guide plates (55) has a discharge hole (52) toward the rotation direction (51) of the turntable (50).
It is formed in a spiral shape so that it concentrates on. Then, from some of the weighing hoppers selected and opened by the computer, the article (56) is discharged between the guide plates (55), and the article (56) is guided by the rotating force of the turntable (50). Board (5
It moves toward the discharge hole (52) along 5), and the bag below is filled from the discharge hole (52). In this case, the article (56) rubs against the guide plate (55) and the turntable (50), causing a slight time delay in the movement of each article. The cause of is canceled.

[0013]

The present invention discharges articles from a large number of annularly arranged weighing hoppers into an annular gutter provided below the weighing hoppers, or discharges articles from each weighing hopper onto a turntable. After the article is conveyed in the plane direction along the gutter or turntable, it is discharged from the discharge hole formed in the gutter or turntable.First, since the gutter or turntable can be formed in a plane, Compared to conventional electronic scales, the height is shorter and the restrictions on installation location are alleviated.In addition, the framework of the electronic scale is downsized, while the articles discharged from the weighing hopper are vertically oriented like conventional centralized hoppers. Since it does not flow into the outlet and is not concentrated at the outlet and is discharged with a time lag on a flat surface, there is an effect that the article does not become clogged and smooth metering and filling can be performed.

Claims (5)

[Claims] 1. The weight of each article supplied to a large number of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation, and the weights are output from the respective weighing hoppers. In an electronic balance that discharges articles by opening a part of the selected weighing hoppers at specified time intervals, an annular gutter member is arranged below each of the annularly arranged weighing hoppers, and one of the gutter members is An apparatus for processing weighing articles, wherein a discharge hole is formed in the portion, and a belt conveyor is provided on the bottom surface of the gutter material, the belt conveyor rotating along the gutter material and toward the discharge hole. 2. The apparatus for treating weighing articles according to claim 1, wherein the belt conveyor is divided into a plurality of parts, and each of the divided belt conveyors is rotated from the facing direction toward the discharge hole. 3. The weight of each article supplied to each of a large number of annularly arranged weighing hoppers (5) is measured, and the respective weight measurement values are electrically inputted to a computer for calculation to calculate the respective weights. In an electronic balance that discharges articles by opening a part of weighing hoppers selected from hoppers at specified time intervals, an annular gutter is arranged below each of the annularly arranged weighing hoppers, and the gutter is An apparatus for treating weighing articles, wherein a discharge hole is formed in a part of the above, and a scraping plate that rotates along the gutter material and toward the discharge hole is provided inside the gutter material. 4. The processing apparatus for weighing articles according to claim 3, wherein a plurality of scraping plates are arranged inside the gutter material, and both of the scraping plates are rotated from opposite directions toward the discharge hole. 5. The weight of each article supplied to each of a plurality of annularly arranged weighing hoppers is measured, and the respective weight measurement values are electrically input to a computer for calculation, and the weights are output from the respective weighing hoppers. In an electronic scale that discharges articles by opening a part of the selected weighing hoppers at specified time intervals, a turntable that rotates in one direction is arranged under each of the annularly arranged weighing hoppers, and An apparatus for processing weighing articles, wherein a discharge hole is formed at the center of the table, and a plurality of spiral guide plates are provided on the turntable in the direction of rotation of the turntable and concentrated in the discharge hole.