JP6808663B2 - Weighing device - Google Patents

Description

The present invention relates to a weighing device for weighing various articles such as foods and confectionery by a predetermined amount, and more particularly to a weighing device suitable for mixing and weighing a wide variety of articles little by little.

As a weighing device for mixing and weighing a plurality of types of articles, for example, as shown in Patent Document 1, a measuring device using a combination scale is known.

Generally, in a combination scale, an article is supplied from a supply device that supplies an article to be weighed to a conical top cone of a dispersion feeder in the upper center of the combination scale, and the article is oscillated outward by the dispersion feeder to disperse. A large number of linear feeders arranged radially around the feeder further vibrate and convey outward, and supply the measuring units to a large number of measuring units arranged corresponding to each linear feeder.

Each measuring unit is provided with a supply hopper that temporarily holds and discharges articles from the linear feeder, and a weighing hopper that measures articles discharged from the supply hopper. In each weighing hopper, the weight of the supplied article is weighed by the weight sensor. Based on the weight of the article of the weighed weighing hopper, a combination calculation is performed to select an appropriate amount combination that is a combination of weighing hoppers within the allowable weight range based on the target combination weight, and the article is selected from the weighing hopper of the selected appropriate amount combination. Is discharged and put into a packaging machine or the like in the subsequent stage via a collecting chute.

JP 2012-237576

When performing mixed weighing of a plurality of types of articles, for example, three types of articles using such a combination scale, as shown in FIG. 1 (c) of Patent Document 1, a partition plate is used on the dispersion feeder. The circular region is divided into three along the circumferential direction, and articles of each type are supplied to each divided region.

However, when there are many varieties to be mixed and weighed, for example, 10 varieties, the articles of each varieties are divided into 10 according to the number of varieties along the circumferential direction of the circular dispersion feeder, and 10 units of each supply device. In addition, in order to ensure the combination accuracy, the number of measuring units in each division region is also required.

Therefore, in order to force the distribution feeder, it is necessary to increase the diameter of the dispersion feeder and increase the circumference of each division region divided along the circumferential direction, and to supply a linear feeder or supply around the larger diameter dispersion feeder. Since it is necessary to dispose of a hopper or the like, it has to be a very large one that spreads further to the outside of the circular dispersion feeder and requires a large occupied space, which is not realistic.

The present invention has been made in view of these points, and an object of the present invention is to provide a weighing device having a compact structure and capable of handling mixed weighing of various kinds of articles. Another object is to facilitate the replenishment of goods.

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

(1) The present invention is an article reception hopper that receives articles to be replenished by an operator, and includes a position switching mechanism for switching the article reception hopper to a high or low position, and the position switching mechanism is a stand. It is composed of a support bracket provided on the frame and a hole formed in the support bracket and for supporting the article receiving hopper via a pin .

According to the present invention, the article reception hopper can be lowered from the article supply position to a low position, the article can be easily replenished at the low article reception position, and then the article reception hopper can be lifted and set at the article supply position. The replenishment work becomes easier than when the replenishment container or the like is lifted up to the article reception hopper fixed at a high position to replenish.

( 2 ) In a preferred embodiment of the present invention, the high and low positions are the article supply position for supplying the article to the supply hopper for supplying the article to the measuring hopper for measuring the article and the article supply position for supplying the article to the supply hopper. It is a position lower than the supply position and is a position where the article reception hopper receives the article.

( 3 ) The present invention is an article receiving hopper that accepts articles, and includes a position switching mechanism for switching the article receiving hopper to a high or low position, and the position switching mechanism is a support provided on an underframe. It is composed of a bracket and a hole formed in the support bracket and for supporting the article receiving hopper via a pin, and the hole of the support bracket is an elongated hole extending in the vertical direction and the elongated hole. The article receiving hopper is slidably slid up and down along the elongated hole and rotatably supported along the bent hole via the pin.

( 4 ) In one embodiment of the present invention, the bent hole is bifurcated from the upper part of the elongated hole, and the article receiving hopper is provided along the elongated hole via the two pins. It is slidable up and down, and is rotatably supported along each of the bifurcated bending holes. The pins are in an upright posture supported by the ends of the bifurcated bent holes, and at the article receiving position, the pins are rotated from the upright posture, and the two pins are moved to the above-mentioned two pins. It takes a tilted posture located at the lowering limit of the long hole.

( 5 ) The weighing hopper of the present invention includes a supply hopper that holds and discharges the supplied article and a weighing hopper that holds and weighs the article discharged from the supply hopper. A plurality of measuring units to be provided and a supply unit for supplying the article to each of the plurality of supply hoppers are provided, and the plurality of measuring units are arranged in a row so that the supply hoppers are arranged in a straight line. The supply units are arranged in close proximity to each of the supply hoppers so as to face the plurality of stations of the measuring unit, and the supply units are arranged in any of the above (1) to ( 4 ). Equipped with an article reception hopper.

According to the present invention, the article reception hopper can be lowered from the article supply position to easily replenish the article at the low article reception position, and then the article reception hopper can be lifted and set at the article supply position. The replenishment work becomes easier than when the replenishment container or the like is lifted up to the article reception hopper fixed at a high position to replenish.

FIG. 1 is a front view of the weighing device with the supply unit on the front side removed. FIG. 2 is a side view of the weighing device. FIG. 3 is a side view of the weighing device in which the supply unit is separated and moved. FIG. 4 is a plan view of a weighing device in which some supply units are separated and moved. FIG. 5 is a control block diagram of the weighing device. FIG. 6 is a side view showing the measuring unit and the reject mechanism. FIG. 7 is a partially cutaway side view of the reject operating state. FIG. 8 is a side view showing a position switching structure of the storage hopper. FIG. 9 is a front view corresponding to FIG. 1 of another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a front view of a state in which the supply unit 4 on the front side of the weighing device according to the embodiment of the present invention is removed, FIG. 2 is a side view of the measuring device, and FIG. 3 is a supply unit 4. It is a side view of the weighing device which moved away, and FIG. 4 is a plan view of the weighing device which moved a part of supply units 4 apart.

The weighing device of this embodiment is for weighing various kinds of foods, confectionery, and the like, for example, 10 kinds of articles in combination in predetermined small amounts, and the floor surface on the upper floor where the worker W can go up and down. It is used for a packaging line in which the weighed articles installed in 2 are put into a packaging machine (not shown) installed downstairs and packed in bags.

In order to make the structure easier to understand, in the following description, the horizontal direction in FIG. 1, the front and back directions of the paper surface in FIGS. 2 and 3, and the vertical direction in FIG. 4 are referred to as horizontal directions, and the drawings are also shown. The front and back directions of the paper surface in 1, the lateral direction in FIGS. 2 and 3, and the left-right direction in FIG. 4 are referred to as front-back directions.

As shown in FIGS. 2 to 4, a center substrate 1 is fixedly arranged on the floor surface 2 via a support frame (not shown) at the center of the weighing device in the front-rear direction.

On each of the front side (left side of FIGS. 2 to 4) and the rear side (right side of FIGS. 2 to 4) of the center substrate 1, a plurality of measuring units 3 arranged in a row on the left and right are arranged. ing. In this example, as shown in FIGS. 1 and 4, 16 measuring units 3 in each row are arranged in a row, and a total of 32 measuring units 3 are provided in two rows in total. The number of stations constituting the plurality of stations is arbitrary, and may be a number according to the number of varieties of articles to be mixed.

Weighing is performed on the front side of the weighing unit 3 group on the front side (left side in FIGS. 2 to 4) and on the rear side (right side in FIGS. 2 to 4) of the measuring unit 3 group on the rear side. Supply units 4 for supplying various kinds of articles to the upper part of each measuring unit 3 arranged in a straight line are arranged close to each other facing the measuring unit group 3.

Each series of measuring units 3 includes a supply hopper 5 that temporarily holds and discharges the articles conveyed from the supply unit 4, a measuring hopper 6 for holding and weighing the articles discharged from the supply hopper 5. The structure is such that the memory hopper 7 for holding the article discharged from the measuring hopper 6 is arranged in a vertical column. Each of the hoppers 5, 6 and 7 of the measuring unit 3 is detachably attached to the center substrate 1 in the same manner as in the conventional case.

Although not shown, a weight sensor described later for detecting the weight of an article supplied to the supply hopper 5, the weighing hopper 6, the gate drive unit that opens and closes the discharge gate of the memory hopper 7, and the weighing hopper 6. Etc. are stored and supported in the center substrate 1. The center substrate 1 and each supply unit 4 are connected by a cable or the like (not shown).

Each weighing unit 3 is provided with the memory hopper 7 as described above, and the number of hoppers (effective hoppers) that can participate in the combination calculation can be increased.

In this embodiment, as shown in FIG. 1, the measuring unit 3 having 16 stations in each of the front and rear rows is composed of four partial stations divided into four groups adjacent to each other in the left-right direction, and is formed on the left and right outer sides. The two sub-strands are located higher than the two inner sub-strands.

Below the weighing hopper 6 and the memory hopper 7 in each partial series, a plurality of weighing hoppers 6 selected by a combination calculation so as to have a predetermined weight, or a first set for collecting articles discharged from the memory hopper 7. Shoot 8 is deployed.

Below each first set chute 8 corresponding to each partial series, a first gate 9 for opening and closing the discharge port of each first set chute 8 is provided, and articles collected by each first set chute 8 are provided. Can be temporarily received, held, and discharged. Further, below the plurality of first gates 9, a single second collective chute 10 and a second collective chute 10 that slide and guide the articles discharged from each first collective chute 8 and collect them in the lower center of the weighing unit 3 group. A second gate 11 is provided to open and close the central discharge port of the collecting chute 10. All kinds of articles weighed and collected by the three groups of the front and rear weighing units are collected in one place in the center of the second collecting chute 10, temporarily received and held by the second gate 11, and held in the second. 2 Gate 11 is opened and discharged to the lower packaging machine. The second gate 11 is open-controlled based on a discharge request command from the packaging machine side.

As described above, the hoppers 5, 6, 7 and the first set chute 8 and the first gate 9 of the left and right outer partial series are used, and the hoppers 5, 6, 7 and the first set chute 8 and the first set chute 8 of the inner partial series are used. When installed higher than the first gate 9, the inclination angles of the first set chute 8 and the second set chute 10 of the left and right outer partial series can be made steep, and the discharged article is required for the weighing cycle. At speed, it can slide down along the respective assembly gates 8 and 10.

The supply unit 4 corresponds to one for each of the two sub-reams, the outer sub-ream in the left-right direction and the inner sub-ream adjacent thereto, and each sub-ream is composed of four reams. The article is supplied to the measuring unit 3 for eight stations by the supply unit 4 of the table. Therefore, a total of four supply units 4 are arranged in parallel on the left and right, two in front of the three groups of measuring units in one row on the front side and two in the rear of the three groups of measuring units in one row on the rear side. ing.

The supply unit 4 directs four storage hoppers 13 having different heights for accommodating articles to the upper part of the underframe 12, a total of eight storage hoppers 13, and articles unwound from the lower end of each storage hopper 13 toward the weighing unit 3. It is configured to be equipped with a total of eight supply feeders 14, four each with different heights for vibrating and transporting.

Each supply feeder 14 separately vibrates and drives two first and second linear feeders 14a and 14b and linear feeders 14a and 14b arranged in a stepwise manner in a step-down manner along the transportation direction of the article. It is composed of vibration mechanisms 15a and 15b. By configuring the supply feeder 14 with the two first and second linear feeders 14a and 14b in this way, the transport distance for vibrating and transporting the article is lengthened, and the article is leveled and supplied little by little during that period. It is possible to measure a wide variety of products in small quantities.

Further, since the vibration intensity (amplitude) can be set for each of the linear feeders 14a and 14b, an appropriate vibration intensity can be set according to the type of the article.

The articles charged and supplied from the storage hopper 13 to the first linear feeder 14a on the upstream side in the transport direction are loosened while being vibrated and transported, transferred to the second linear feeder 14b on the downstream side, and vibrated by the second linear feeder 14b. It is conveyed and sent little by little to the supply hopper 5 of the measuring unit 3. Further, when the supply feeder 14 vibrates and conveys the article, the lump of the article is easily loosened by an appropriate drop impact at the step portion between the first linear feeder 14a and the second linear feeder 14b formed in the conveying path.

Above each supply feeder 14, for example, an article detection sensor 16 that detects the stacking height of articles near the end of the first linear feeder 14a on the upstream side by ultrasonic waves is provided, and the detection output thereof is Based on this, the vibration intensities and the like of the vibration mechanisms 15a and 15b are controlled by the control device described later, and the articles are supplied to the measuring unit 3 little by little.

Wheels 17 are provided at the lower four corners of the underframe 12 in the supply unit 4, and rails 18 for engaging and guiding the wheels 17 are laid along the front-rear direction on the floor surface 2. Each supply unit 4 can move approaching and separating along the rail 18 in a direction orthogonal to the measuring unit 3 group in the row direction.

That is, as shown in FIGS. 3 and 4, the supply unit 4 is largely separated outward from the supply position for supplying the article to the measuring unit 3, and the operator is placed between the supply unit 4 and the measuring unit 3. By leaving a space for the meter, the hoppers 5, 6 and 7 of the measuring unit 3 and the members of the supply unit 4 can be easily attached and detached for cleaning and inspection and maintenance.

When the supply unit 4 is moved closer to the measuring unit 3 group after cleaning work, inspection and maintenance, etc., it is supplied by moving the supply unit 4 closer to the stopper 19 projecting near the rail 18 until the underframe 12 comes into contact with the stopper 19. The end of the feeder 14 will be properly positioned with respect to the supply hopper 5. At this positioned supply position, the supply unit 4 is appropriately fixed by the locking means and the weighing operation is started.

In this embodiment, by moving one supply unit 4 apart, the front surface of the eight measuring units 3 can be opened, and one supply unit 4 faces the one measuring unit 3. Cleaning work, inspection and maintenance, etc. are easier than when deploying. If one supply unit 4 is arranged to face the three groups of measuring units in a row, in this example, 16 consecutive measuring units 3, the weight of the supply unit 4 becomes large and it becomes rather difficult to handle. ..

The supply feeder 14 that vibrates and conveys the article to the supply hopper 5 of the weighing unit 3 is provided on the underframe 12 of the supply unit 4, while the weight sensor that detects the weight of the article supplied to the weighing hopper 6 of the weighing unit 3 is provided. , That is, the weight sensor that detects the weight of the article and the supply feeder 14 that vibrates and conveys the article are provided in different housings 1 and 12, respectively. As a result, as in Patent Document 1, the distributed feeder and linear feeder that vibrate and convey the article to the supply hopper are placed on the center substrate, which is the same housing as the weight sensor that detects the weight of the article supplied to the measuring hopper. Compared with the configuration provided, the weight sensor can reduce the influence of vibration received from the feeder.

FIG. 5 is a control block diagram of the weighing device according to this embodiment.

The control device 41 that controls each unit is housed in, for example, the center substrate 1 and is connected to an operation setting display 42 that displays various settings such as operations for the measuring device, operation parameters, and measured values. .. The control device 41 is given the detection output of the article detection sensor 16 of the supply unit 4 and the weight signals from the plurality of weight sensors 40 housed in the center substrate 1. The control device 41 controls the drive of the linear feeders 14a and 14b of the supply unit 4, and also controls the opening and closing of the discharge gates of the hoppers 5, 6 and 7 and the first and second gates 9 and 11.

The control device 41 has a function as a calculation control unit 43 that performs a combination calculation based on the weights of the articles of the weighing hopper 6 and the memory hopper 7 and discharges the articles from the hoppers 6 and 7 selected for the appropriate amount combination. Then, when the weight of the article supplied to the weighing hopper 6 is an excess amount exceeding a predetermined weight range, the arithmetic control unit 43 controls the exit / exit operation of the reject chute 21 by the reject mechanism 20 as described later. And eliminate excess goods.

The control device 41 does not necessarily have to be composed of a single control device, but may be composed of a plurality of control devices that cooperate with each other to perform distributed control, and the center base 1 and the supply unit on the measuring unit 3 side. It may be provided in each of 4.

As shown in FIGS. 2 and 3, the underframe 12 of the supply unit 4 is provided with a reject mechanism 20 for discharging an excessive amount of articles supplied to the measuring hopper 6.

FIG. 6 is a side view showing the measuring unit 3 and the reject mechanism 20.

The lower end of the weighing hopper 6 is provided with an outer gate 6a and an inner gate 6b for discharging that can be independently opened and closed, and by swinging and opening only the outer gate 6a outward, the measured article can be released. It is sent directly to the lower first set chute 8 via the first delivery path (a), and by swinging and opening only the inner gate 6b inward, the weighed article is passed through the second delivery path (b). It is sent to the memory hopper 7 and temporarily held.

That is, the measuring hopper 6 can selectively discharge the held article in two different discharge directions, and the discharged article is the first delivery path (a) which is two routes, or It is transmitted to the first set chute 8 or the memory hopper 7 through the second transmission path (b).

When the weight of the article supplied to the measuring hopper 6 is an excess exceeding a predetermined weight range, the reject mechanism 20 for eliminating the excess article moves the reject chute 21 and the reject mechanism 20 in the front-rear and horizontal directions. An air cylinder 22 as a drive mechanism is provided, and a collection container 23 for collecting articles thrown into the reject chute 21 is provided.

The reject chute 21 is arranged so as to face the first delivery path (a) of the measuring hopper 6 from the outside. Normally, as shown in FIG. 6, the air cylinder 22 is shortened and the reject chute 21 is retracted to the outside of the first delivery path (a), and the article is associated with the opening of the outer gate 6a of the measuring hopper 6. Does not interfere with the discharge of the cylinder to the first assembly chute 8.

When the weight of the article weighed by the measuring hopper 6 is an excess amount exceeding a predetermined weight range, as shown in FIG. 7, the air cylinder 22 is extended and the reject chute 21 is moved to the first delivery path (a). ) Will be rejected. In this state, when the outer gate 6a is opened, the excess article in the measuring hopper 6 is discharged to the tubular reject chute 21 having the input port and the discharge port, and the excess article is discharged to the collection container 23. It is collected by flowing down. When the collection is completed, the reject chute 21 returns to the original position retracted from the first delivery path (a), and the outer gate 6a of the measuring hopper 6 is closed to prepare for the supply of the next article. The collection container 23 is provided so that an excess amount of articles can be collected for each variety so that articles of different varieties are not mixed. As a result, the recovered article can be efficiently re-weighed without waste.

A guide member 24 made of a plate material is provided at the tip of the reject chute 21. The guide member 24 is located at a position facing the first delivery path (a) from the outside when the reject chute 21 is retracted outward from the first delivery path (a), and is outside the measuring hopper 6. The gate 6a is opened to prevent the discharged articles from scattering to the outside by the guide member 24, so that the discharged articles are correctly guided to the first collective chute 8.

As shown in FIG. 1, since the storage hopper 13 provided in the supply unit 4 is arranged at a relatively high position for the operator, in order to easily replenish the article, the article supply position at the high position and the article supply position are set. It is convenient to configure it so that it can be moved up and down by switching to a low article supply position.

An example of the elevating structure of the storage hopper 13 is shown in FIG. In this example, the storage hopper 13 having the article supply port 13b at the upper corner slides up and down on the support bracket 31 provided on the underframe 12 via the vertical elongated holes 32 and the two pins 33a and 33b, and inside and outside. It is supported so that it can be reversed and rotated.

That is, a bifurcated bent hole portion is formed in the upper part of the elongated hole 32, and the pins 33a and 33b are supported by the end portions of the bent hole in a state where the storage hopper 13 is raised. As a result, the storage hopper 13 is stably held at the article supply position that stands upright on the starting end of the supply feeder 14. From this state, when the storage hopper 13 is rotated 90 degrees outward about the pin 33a and then pulled out slightly outward, both pins 33a and 33b are located at the straight portions of the vertical elongated holes 32. As a result, the storage hopper 13 in the posture of being turned outward can be lowered in the same posture by the guidance of both pins 33a and 33b and the vertical elongated holes 32.

The lowering limit becomes the article supply position at a low position, and the article supply port 13b of the storage hopper 13 can be easily supplied with articles and cleaned. Further, a telescopic damper 34 is erected over the storage hopper 13 and the lower part of the support bracket 31 to give an appropriate resistance to the rotation and lowering of the storage hopper 13 and to assist the hopper lifting operation. There is. The handle 13a used for the position switching operation of the storage hopper 13 is provided over two adjacent storage hoppers 13, and the position switching operation of the storage hopper 13 is performed by two units at a time.

In this way, after the storage hopper 13 is lowered and replenished easily at a low position, the storage hopper 13 can be set to a predetermined article supply position simply by lifting the storage hopper 13, for example, to a storage hopper fixed at a high position. Replenishment work becomes easier than when replenishing by lifting a replenishment container or the like.

In this embodiment, a large number of types, for example, 10 types of articles are mixed and weighed, and 32 units of measuring units 3 are previously used in consideration of the types and the like, for example, 4 types, 3 units, 2 units, and the like. The stations are appropriately assigned to each, and the operation setting display 42 is operated to register the stations for each type assigned to the control device 42. Articles of the corresponding type are stored in the storage hopper 13 of the supply unit 4 corresponding to each of the registered measuring units 3 and operated.

The calculation control unit 43 of the control device 41 performs a combination calculation based on the weights of the articles of each type of the weighing hopper 6 and the memory hopper 7 of the measuring unit 3 corresponding to the articles of each type. This combination operation is not particularly limited, and a conventionally known combination operation of mixed metric may be performed. For example, a hopper to be discharged is determined for nine types of articles from the first to ninth types in a predetermined weight range, and the weight added to the total weight of the nine types of articles sets the target combination weight as the lower limit. The hoppers of the tenth kind of articles that are within the permissible weight range are selected, and the hoppers of the nine kinds of articles determined and the hoppers of the selected tenth kind of articles are used as hoppers of an appropriate amount combination, and from the hoppers of the appropriate amount combination The article is discharged and put into the packaging machine through the first collecting chute 8, the first gate 9, the second collecting chute 10 and the second gate 11.

As a result, a mixed article in which 10 kinds of articles whose total weight is within the allowable weight range is mixed is packaged in the packaging machine.

As described above, according to the present embodiment, a plurality of measuring units 3 having a supply hopper 5 and a measuring hopper 6 in a series are arranged in a row so that the supply hoppers 5 are arranged in a straight line, and each supply is provided. Since the supply unit 4 for supplying the article to the hopper 5 is arranged close to each other so as to face the plurality of measuring units 3, for example, when the variety of the article to be supplied to the supply hopper 5 is diverse. If it is desired to increase the number of stations constituting the plurality of measuring units 3, the measuring units 3 and the supply units 4 arranged in a straight line may be added in a straight line, as in Patent Document 1 above. It is not necessary to increase the diameter of the distributed feeder to expand the occupied space in all directions around the distributed feeder, and the size is compact in a plane.

Further, since a plurality of stations of the measuring units 3 are provided on both sides of the center substrate 1 and the supply units 4 corresponding to each row are arranged close to each other of the measuring units 3 so as to face the plurality of stations, the same number of stations is used. The measuring unit 3 and the supply unit 4 can be arranged in an integrated manner by shortening the length in the row direction and effectively utilizing the plane space, as compared with the case where the above is composed of only one row.

[Other Embodiments]
(1) As shown in FIG. 9, the heights of the partial series located on the outer side and the inner side in the left-right direction may be the same. In FIG. 9, the number of stations in the left-right direction of the measuring unit 3 is reduced by two, and the total number of stations in the front-rear direction is reduced by four. The inner partial stations in the left-right direction are three stations, and the outer partial stations are four stations.

(2) In the above embodiment, the description has been made by applying to mixed weighing of a wide variety of articles, but the weighing device of the present invention is not limited to mixed weighing, for example, a single variety of articles with a reduced number of stations. It may be applied to combination weighing.

(3) In the above embodiment, the memory hopper 7 is provided in each measuring unit 3 to increase the number of effective hoppers that can participate in the combination calculation, but the memory hopper 7 may be omitted.

(4) In the above embodiment, the first gate 9 is provided in each first set chute 8 of each partial series so as to temporarily hold the article discharged from the hopper of each partial series. The gate 9 may be omitted, and the articles discharged from the hoppers of each partial series may be directly assembled by the second assembly chute 10.

1 Center base 3 Weighing unit 4 Supply unit 5 Supply hopper 6 Weighing hopper 7 Memory hopper 8 1st set chute 9 1st gate 10 2nd set chute 11 2nd gate 12 Underframe 13 Storage hopper 14 Supply feeder 14a 1st linear feeder 14b 2nd linear feeder 20 Reject mechanism 21 Reject chute 23 Collection container 41 Control device 43 Arithmetic control unit

Claims (5)

An article reception hopper that accepts articles replenished by workers
It is equipped with a position switching mechanism that switches the article reception hopper to each high and low position .
The position switching mechanism is an article reception hopper formed of a support bracket provided on the underframe and a hole formed in the support bracket for supporting the article reception hopper via a pin . The high and low positions are the article supply position for supplying the article to the supply hopper for supplying the article to the measuring hopper for measuring the article and the position lower than the article supply position. The article reception hopper according to claim 1, wherein the article reception hopper is a position for receiving the article. An article reception hopper that accepts articles
It is equipped with a position switching mechanism that switches the article reception hopper to each high and low position.
The position switching mechanism is composed of a support bracket provided on the underframe and a hole formed in the support bracket for supporting the article receiving hopper via a pin.
The holes of the support bracket are elongated holes extending in the vertical direction and bending holes connected to the elongated holes.
The article reception hopper is supported by the article reception hopper so as to be slidable up and down along the elongated hole and rotatably along the bending hole via the pin . The bent hole is bifurcated from the upper part of the elongated hole.
The article receiving hopper is slidable up and down along the elongated hole and rotatably supported along each of the bifurcated bent holes via the two pins. In the article receiving position, the article receiving hopper is in an upright posture in which the two pins are supported by the ends of the bifurcated bent holes, respectively, at the article receiving position. The article receiving hopper according to claim 3 , wherein the two pins rotate from the upright posture and are in a rotated posture located at the lowering limit of the elongated hole . A plurality of measuring units having a series of upper and lower measuring hoppers for holding and discharging the supplied articles and measuring the weight of the articles discharged from the supply hopper, and the plurality of measuring hoppers. A supply unit for supplying the article to each supply hopper of the series is provided.
The plurality of measuring units are arranged so that the supply hoppers are arranged in a straight line.
The supply unit is arranged so as to face the plurality of units of the measuring unit and to supply the article to each supply hopper.
The supply unit is a weighing device including the article receiving hopper according to any one of claims 1 to 4.

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