JP2002350220A - Combined balance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve work efficiency of cleaning, maintenance and inspection by precisely judging the replacement time of components of a combined balance. SOLUTION: A plurality of rectilinear feeders 4, supply hoppers 6, metering hoppers 10, and auxiliary hoppers 12 (hereinafter referred to as components) are removably fitted in the respective mounting positions of a mounting part 3. These are the same to have interchangeability. Driving units 8 are provided corresponding to the respective mounting positions in the mounting part 3. To identify the respective components, the components are fitted with identifiers 16, 20, 24, 28. The mounting part 3 is provided with reading means 18, 22, 26, 30. The control part 14 counts the number of times of operation of the respective components. The number of times of operation is determined depending on the driving frequency of the driving units 8 for driving the respective components determined according to the reading results of the identifiers 16, 20, 24, 28 by the reading means 18, 22, 26, 30. The control part 14 creates an information signal when the count value of the number of times of operation becomes equal to or larger than the allowable limit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a combination weigher,
In particular, it relates to maintenance and inspection of each component included in the combination weigher.

[0002]

2. Description of the Related Art A combination weigher combines various weights of articles weighed by a plurality of weighers, and selects a combination equal to or close to a target weight from these combinations. As a component of the combination weigher, there is a component using a plurality of linear feeders, a plurality of supply hoppers, a plurality of weighing hoppers, a plurality of auxiliary hoppers, and the like. These components seem to be all operating the same way, for example, weighing hoppers. However, in the case of a weighing hopper, for example, the operations of receiving, weighing, and discharging the articles to be weighed are selectively performed. Since this operates stochastically, the operation frequency differs for each weighing hopper. This difference in operation frequency also occurs in the supply hopper, the auxiliary hopper, and the straight feeder. The greater the premise of seeking the best weighing accuracy, the greater the difference in operating frequency. Each of these components has a consumable part. For example, there are a gate of each hopper, a gate center pin, a metal supporting the gate center pin, a pin serving as a fulcrum of each link, and the like. In addition, a driving unit that drives these gates and the like includes a motor, a cam, a cam roller,
Metal and the like are consumable parts. In the case of the straight feeder, it is a portion fixed to the vibration portion of the tray.

Therefore, the frequency of use (the number of times of use or the number of times of operation) is stored for each component, and the number of times of effective use is set in advance for each component. It has been proposed that it be determined that it has been reached and replaced. This is described, for example, in JP-A-59-157517 and JP-A-59-157518.
In the case where the life of the opening and closing mechanism of each hopper and the life of each hopper are made uniform by the technology disclosed in
This is done to solve the drawbacks of the simultaneous replacement of each component, the large cost temporarily, and the long replacement time. Alternatively, in order to prevent an accident, all of the same components that have been worn out or damaged the fastest may be replaced, but this is uneconomical. In addition, if it is replaced after it is broken, the broken piece may be mixed into the object to be weighed.

[0004]

As a component of the combination weigher, foods and the like are sometimes used as articles to be weighed. In this case, it is frequently removed and cleaned from a sanitary viewpoint. Alternatively, components may be removed for maintenance. The same type of component, for example, a weighing hopper, can be mounted anywhere on the mounting position of the weighing hopper of the combination weigher. In the technique of storing the use frequency as described above, it is necessary that each component is surely attached to the position where it was originally attached. Otherwise, the use frequency of each component cannot be accurately stored. For this reason, the same reference numerals are given to the respective mounting positions and components attached to the mounting positions, so that the components can be surely mounted at predetermined positions. However, each time cleaning or maintenance is performed, it is troublesome to mount each component while confirming where to attach each component, and the work efficiency is reduced.

According to the present invention, the replacement time of the components of the combination weigher can be accurately determined, and even if the components are attached to or detached from the components by cleaning, maintenance, or the like, the same type of components can be used. Therefore, an object of the present invention is to provide a combination weigher that can be mounted at any mounting position and has improved work efficiency.

[0006]

In one aspect of the combination weigher according to the present invention, components of the combination weigher are detachably attached to a plurality of predetermined attachment positions of the attachment portion. These combination weighing components each have a movable part and are compatible with each other. The combination weighing component includes, for example, a weighing hopper, a supply hopper, an auxiliary hopper, and a linear feeder. Driving means is provided in the mounting portion corresponding to each of the mounting positions. These drive means drive the combination weighing component at the corresponding mounting position. Different identification bodies are attached to the respective combination weighing components so as to identify the respective combination weighing components. Reading means are provided on the mounting portion, and these read the identification bodies provided in the combination weighing components attached to the mounting positions. As the identification body, for example, an identification body on which identification information such as a barcode is described can be used. Combination weigher component operation number counting means is provided for each combination weigher component. The counting means counts the number of operations of the corresponding combination weighing component. The number of times of operation of the combination weighing component is determined based on the number of times of driving of the driving unit that drives each combination weighing component determined according to the result of reading of the identification body by each of the reading units. Display means for displaying this count value may be provided, or when the count value of the combination weigher component operation number counting means becomes equal to or more than the allowable limit value of the combination weigher component operation number value, One notification means may generate a notification signal. Note that the combination weighing component provided with the identification body may be, for example, all of a straight-ahead feeder, a supply hopper, a weighing hopper, and an auxiliary hopper, or a part appropriately selected from these.

[0007] In the combination weigher configured as described above, the component attached to each mounting position can be identified by the identification body regardless of the mounting position of the component. Therefore, by displaying the count value or comparing the count value with the allowable limit value, the driving means for driving each component can also be specified.
Regardless of which mounting position each component is attached to, the number of operations of each component can be counted by the counting device from the number of times the driving device is driven. Therefore, the life of each component can be accurately confirmed by displaying the count value or comparing it with the allowable limit value. It is not necessary to confirm each position, and the efficiency of operations such as cleaning and maintenance inspection can be improved.

In another embodiment of the combination weigher according to the present invention, identification information for identifying each of the combination weigher components and the number of times of driving of the combination weigher component up to now are stored in place of the identification body. A storage means can be provided for each component. In this case, reading means for reading the identification information from the storage means provided in the combination weighing component attached to each attachment position of the attachment portion is provided, and the read drive count value is read each time the component operates. Updating means is provided for increasing the number of updates. Display means for displaying an updated drive count value, or second notification means for generating a notification signal when the updated drive count value is equal to or greater than a predetermined drive count allowable value is provided. Can be. Writing means for writing the updated drive count value to the storage means is provided.

[0009] In the case of such a configuration, the life of each component can be accurately confirmed in the same manner as described above, and at the time of cleaning or the like, the mounting position of each component is confirmed one by one. It is not necessary to perform the cleaning, and the efficiency of the cleaning operation can be improved.

In the above two embodiments, a driving means operation number counting means may be further provided corresponding to the driving means. These counting means count the number of operations of the corresponding driving means. Display means for displaying the count value may be provided, or third notification means for generating a notification signal when the count value of the driving means operation number counting means has exceeded the allowable limit of the driving means operation number value may be provided. can do.

By providing these driving means operation number counting means, it is possible to easily and accurately know when to replace the driving means.

Further, a plurality of combination weighers of the above-described embodiments can be provided. In this case, in each combination weigher, each component is mutually interchangeable.

With this configuration, the life of each component of the plurality of combination weighers can be accurately confirmed, and even if the respective components of the plurality of combination weighers are simultaneously cleaned,
There is no need to check the mounting position of each component one by one,
The efficiency of the cleaning operation can be improved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A combination weigher 1 according to a first embodiment of the present invention has one dispersion feeder 2 as shown in FIG. The dispersion feeder 2 is provided at a central portion 3 of the mounting portion 3.
a. A plurality of, for example, ten linear feeders 4, which are one of the components of the combination weigher, are provided on a peripheral portion 3b of the mounting portion 3 around the dispersion feeder 2. These rectilinear feeders 4 are mounted at predetermined mounting positions for, for example, ten distributed feeders. Each of the straight feeders 4 has a movable part, for example, a trough 4a, and further has a driving means for driving these troughs 4a, for example, a driving unit 4b. The trough 4a is detachable from the drive unit 4b, and can be attached to any drive unit 4b. That is,
The troughs 4a are mutually compatible. The reason why it is detachable is to facilitate cleaning, maintenance and inspection. Further, the trough 4a has a life because it has a movable part.

Below each of these linear feeders 4,
A plurality of, for example, ten supply hoppers 6 are provided as components of the combination weigher. The articles to be weighed are supplied to the supply hoppers 6 from the corresponding linear feeders 4. The supply hoppers 6 are detachably attached to, for example, ten supply hopper attachment positions on the peripheral portion 3 b of the attachment portion 3. Therefore, cleaning and the like can be easily performed. Each of these supply hoppers 6 has the same configuration, and can be attached to any of the supply hopper attachment positions. These supply hoppers 6 have, for example, gates 6a as movable parts. When the gate 6a is opened, the supply hopper 6 is supplied to the weighing hopper 10 described later.
The articles to be weighed are supplied. Furthermore, these gates 6
A link, a pin, and the like for driving a are also provided as movable parts. The gate 6a is driven by a plurality of, for example, ten drive units 8 provided in the peripheral portion 3b corresponding to the respective supply hoppers. In the drive unit 8, a drive means for opening and closing the gate 6a, for example, an air cylinder is provided.

Below each supply hopper 6, a plurality of, for example, ten weighing hoppers 10 are provided as components of a combination weigher.
Is provided. These supply hoppers 10 are attached to the mounting section 3.
Are detachably attached to predetermined 10 weighing hopper attachment positions, for example, on the peripheral portion 3b. Therefore, cleaning and the like can be easily performed. These weighing hoppers 10
Have the same configuration, and can be mounted at any of the weighing hopper mounting positions. When these weighing hoppers 10 are attached to the weighing hopper mounting positions, they are connected to weighing means, for example, a load cell (not shown) provided in each drive unit 8 in correspondence with each weighing hopper 10,
The articles to be weighed supplied from the supply hopper 6 to the weighing hopper 10 are weighed. In addition, the weighing hopper 10 has, for example, gates 10a and 10b that are opened on both sides as movable parts. These gates 10a are for supplying the articles to be weighed in the weighing hopper 10 to an auxiliary hopper 12 described later, and the gates 10b are for discharging the articles to be weighed in the weighing hopper 10 into the collecting chute 11. Things. The weighing hopper 10 also has links and pins for driving the gates 10a and 10b as movable parts. In each drive unit 8, two drive means for opening and closing the gates 10a and 10b of the corresponding weighing hopper 10 are provided.
For example, two air cylinders are provided.

A plurality of auxiliary hoppers 12 as components of the combination weigher, for example, 10 so as to accommodate the articles to be weighed discharged through the gate 10b of each weighing hopper 10,
A table is provided. These auxiliary hoppers 12 are attached to the mounting portion 3.
Are detachably attached to, for example, ten predetermined auxiliary hopper attachment positions on the peripheral edge of the hopper. Each of these auxiliary hoppers 12 has the same configuration, and can be mounted at any of the auxiliary hopper mounting positions. These auxiliary hoppers 1
2 has a gate 12a as a movable part. These gates 12 a discharge the articles to be weighed in the auxiliary hopper 12 to the collecting chute 11. The auxiliary hopper 12 also has a link, a pin, and the like for driving the gate 12a as a driving unit. In each drive unit 8, a drive means for opening and closing the gate 12a of the corresponding auxiliary hopper 12, for example, an air cylinder is provided.

As described above, each of the supply hopper 6 and the weighing hopper 8
The auxiliary hopper 12 has movable parts, and these movable parts are driven by an air cylinder, so that they have a life.
Each drive unit 8 is also detachably attached to a predetermined attachment position on the peripheral portion 3b of the attachment portion 3.

The control of each drive unit 8 is performed by a control section 14 provided in the central portion 3a of the mounting section 3.
By this control, the articles to be weighed are discharged to the collecting chute 11 from the auxiliary hopper 12 and the weighing hopper 10 that house the articles to be weighed, which constitute a combination equal to or close to a predetermined weight, as is well known.

An identification body 16 on which identification information for identifying each of the troughs 4a is described is attached to the trough 4a of each of the rectilinear feeders 4. As the identification information, for example, a bar code representing a different numerical value for each trough 4a can be used. Each straight feeder 4
A reading unit that can read the identification information of the identification body 16, for example, a bar code reader 18
Is provided. These bar code readers 18 are attached to the mounting positions of the troughs 4a of the respective linear feeders 4, ie,
It is provided for each b.

Similarly, each supply hopper 6 has an identifier 20 on which identification information for identifying each supply hopper 6 is described.
Is attached. As the identification information, a barcode representing a different numerical value for each supply hopper 6 can be used. In the vicinity of the mounting position of each supply hopper 6, reading means for reading the identification information of the identification body 20 of the supply hopper 6 mounted at the mounting position, for example, a bar code reader 22 is provided. These barcode readers 22 are provided for each mounting position of each supply hopper 6.

Similarly, each weighing hopper 10 is provided with an identification body 24 on which identification information for identifying each weighing hopper 10 is described. As the identification information, a barcode representing a different numerical value for each weighing hopper 10 can be used. In the vicinity of the mounting position of each weighing hopper 10, the weighing hopper 1 mounted at the mounting position is located.
A reading means for reading the identification information of the identification body 24 of 0, for example, a bar code reader 26 is provided. These bar code readers 26 are provided for each mounting position of each weighing hopper 10.

Similarly, each auxiliary hopper 12 is provided with an identification body 28 on which identification information for identifying each auxiliary hopper 12 is described. As the identification information, a barcode representing a different numerical value for each auxiliary hopper 12 can be used. In the vicinity of the mounting position of each auxiliary hopper 12, the auxiliary hopper 1 mounted at the mounting position is located.
A reading means for reading the identification information of the second identification body 28, for example, a bar code reader 30 is provided. The barcode reader 30 is provided for each mounting position of each auxiliary hopper 12.

Each of these bar code readers 18, 22, 2
The identification information read by the control units 6 and 30 is transmitted to the control unit 14.
Supplied to The control unit 14 includes at least a CPU and a storage unit, for example, a semiconductor memory. The bar code readers 18, 22, 26, and 30 correspond to the mounting position of the drive unit 4b of each linear feeder, the mounting position of each supply hopper, the mounting position of each weighing hopper, and the mounting position of each auxiliary hopper. Accordingly, the supply hopper 6, the weighing hopper 10, and the auxiliary hopper 12 with any identification information are attached to the respective supply hopper mounting positions, the respective weighing hopper mounting positions, and the respective auxiliary hopper mounting positions. Part 4
b, the bar code readers 18, 22, 2, and 3 indicate which identification information is attached to the trough 4a.
It can be recognized by reading by 6, 30.

In the memory of the control section 14, an integration area is formed as shown in FIG. That is, ten integration areas FB corresponding to the air cylinders for driving the gates 6a of the respective supply hoppers 6 are provided corresponding to the respective mounting positions of the supply hoppers. Ten accumulation areas WBI corresponding to the respective air cylinders for driving the gates 10a of the respective weighing hoppers 10 are provided corresponding to the mounting positions of the respective weighing hoppers 10, and the accumulation areas WBI corresponding to the air cylinders for driving the gates 10b of the respective weighing hoppers 10 are provided. Ten areas WBO are provided corresponding to the respective weighing hopper mounting positions. Similarly, ten integrated areas MB corresponding to the air cylinders for driving the gates 10a of the auxiliary hoppers 10 are provided corresponding to the mounting positions of the auxiliary hoppers. These integration areas FB, WBI, WBO, M
The integrated value at B is increased by one each time the corresponding air cylinder is driven once. That is, the operation number counting means is formed for each air cylinder.

The allowable limit value of the number of times of operation of each air cylinder, for example, the life standard is determined by the gate 6a of the supply hopper 6.
, Gate 10a of weighing hopper 10, Gate 10b
For the gate 12a of the auxiliary hopper 12,
The values are stored in advance in the allowable number-of-operations storage area, for example, the life reference storage areas FB, WBI, WBO, and MB as 100,000, 10,000,000, and 25,000,000 times.

The controller 14 compares the life reference value of the life reference area FB with the accumulation value of each accumulation area FB every time the accumulation is performed, and calculates the accumulation area FB having an integral value equal to or longer than the life reference value. Is generated, it is notified which air cylinder corresponding to the integration area is an air cylinder for opening and closing the gate of the supply hopper 6 at which mounting position. This notification is performed, for example, by displaying on a display unit provided in a combination weigher (not shown). Other accumulation areas WB
Similarly, the integrated values of I, WBO, and MB are compared with the corresponding life reference values of the corresponding life reference regions WIO, WBO, and MB, and when the comparison result is equal to or greater than the corresponding life reference value, the same applies. Display is performed. That is, a notifying unit for a driving unit such as an air cylinder is provided.

Further, the gate 6a of the supply hopper 6 and the gates 10a, 10
b, an accumulation area is also provided corresponding to the gate 12a of the auxiliary hopper 12. The integrated area FB1 of the gate 6a of each supply hopper 6 corresponds to one position corresponding to the mounting position of each supply hopper 6.
There are zero. Gate 10a of each weighing hopper 10
The ten accumulation regions WBI1 are provided corresponding to the mounting positions of the respective weighing hoppers 10. Ten integrated areas WBO1 of the gate 10b of each weighing hopper 10 are provided corresponding to the mounting positions of the weighing hoppers 10. Auxiliary hopper 1
The accumulation area MB1 of the second gate 12a is
Are provided corresponding to the respective mounting positions.

In addition to the above, as shown in FIG. 3, the identification information assigned to each of the supply hoppers 6, the weighing hoppers 10, and the auxiliary hoppers 12, and the gates of the supply hoppers 6 to which the identification information is attached. 6a, the number of times the gates 10a and 10b of the weighing hopper 10 have been driven, and the number of times the gate 12a of each auxiliary hopper 12 has been driven correspond to a table in the memory. It is remembered.

Then, for example, for cleaning or the like, the supply hoppers 6, the weighing hoppers 10, and the auxiliary hoppers 12 are removed from the respective mounting positions, and the respective supply hoppers 6 are arbitrarily mounted again at the mounting positions of the respective supply hoppers. Assume that each weighing hopper 10 is arbitrarily attached to the mounting position of each weighing hopper 10, and the auxiliary hopper 12 is arbitrarily attached to the mounting position of each auxiliary hopper. A barcode reader 22 at each mounting position,
26 and 30 read the barcode, the control unit 14 reads the number of times of driving corresponding to the barcode from the table, and reads the barcode readers 22, 26,
30, the integration areas FB1, WBI1, WBO1,
Transfer to MB1. Therefore, each integration area FB1, WB
I1, WBO1, and MB1 have the number of times the gate 6a of the supply hopper 6 has been driven so far, the number of times the gate 10a of the weighing hopper 10 has been driven, and the number of times the gate 10b has been mounted. And the number of times the gate 12a of the auxiliary hopper 12 has been driven so far is stored. These integration areas FB1, WBI1, WBO
1. The integrated value at MB1 is 1 for the corresponding air cylinder.
Each time it is driven, it is incremented by one. That is, the operation number counting means determines whether each gate 6a, 10a, 10
b, 12a.

Then, the allowable number of operation times of each hopper,
For example, the life criterion is, for example, 10 million times for the gate 6 a of the supply hopper 6, for the gate 10 a of the weighing hopper 10, for the gate 10 b, and for the gate 12 a of the auxiliary hopper 12,
8 million times, 8 million times, and 20 million times, the operation count allowable limit storage area, for example, the life reference storage area FB
1, WBI1, WBO1, and MB1 are stored in advance.

The controller 14 compares the life reference value of the life reference region FB1 with the accumulation value of each accumulation region FB1 every time the accumulation is performed, and calculates the accumulation region having a value equal to or longer than the life reference value. When the FB1 occurs, the supply hopper 6 corresponding to the integration area is notified of the installation position of the supply hopper 6. This notification is also performed in the same manner as the notification to the air cylinder. Each of the other accumulation areas WBI1,
Similarly, for the integrated values of WBO1 and MB1, each time the integration is performed, the corresponding life reference area WIO1, WB
A comparison is made with the life reference values of O1 and MB1, and a similar display is made when the comparison result is equal to or longer than the corresponding life reference value. That is, a notification unit for each hopper is provided. Note that each of these integration areas FB1, WBI
The integrated values of 1, WBO1, and MB1 are transferred to an integrated area having the corresponding identification information on the table by operating an appropriate operation switch before, for example, cleaning is performed.

Although the description has been omitted above, the life of the driving unit and the life of the trough are similarly determined for the trough 4a and the driving unit 4b of each straight feeder 4.
Therefore, the one corresponding to the above-described integration area and table is provided in the memory.

Since the combination weigher is constructed as described above,
After the supply hoppers 6 are detached for cleaning, maintenance and inspection, etc., regardless of which supply hopper is attached to the supply hopper 6, the number of times of operation is determined based on the bar code read by the bar code reader. Since the data is read from the table and the integration is performed on it, the number of times of driving can be accurately calculated. The same applies to other weighing hoppers, auxiliary hoppers, and troughs. Therefore,
At the time of mounting after cleaning, maintenance, and the like, it is not always necessary to mount them at the original mounting position, and work after cleaning, maintenance, and inspection can be performed more efficiently.

As shown in FIG. 4, the combination weigher of the second embodiment includes a plurality of, for example, three combination weighers 1a to 1c having the same configuration as the combination weigher of the first embodiment. ing. The control units 14 of the combination weighers 1a to 1c are configured to be able to communicate with each other via a LAN or the like. Each supply hopper (FB) 6 is compatible with the supply hopper (FB) 6 of another combination weigher. Weighing hopper (W
B) 10, auxiliary hopper (MB) 12, straight feeder (L)
The same applies to the trough 4a of the FP) 4. ACU6
Indicates a drive unit. And each control unit 14
Or the supply hopper 6 and the weighing hopper 1 of all the combination weighers 1a to 1c in the host computer (HC) 32 provided separately from each control unit 14.
0, gates 6a, 10a, 10b, 1 of auxiliary hopper 12
2b, the number of times of driving and the number of times of driving are calculated for each of the air cylinders that drive them, using the table and the accumulation area, as in the first embodiment. And
If it is determined that something has been driven or driven over the life reference value, it indicates which supply hopper, weighing hopper, auxiliary hopper, linear feeder of any combination weigher, or air for driving these Displays whether the cylinder is a cylinder. Therefore, even when cleaning and maintenance and inspection of a plurality of combination weighers are performed at the same time, even if the supply hopper, for example, after cleaning and maintenance and inspection is attached to any of the combination weighers, the life is accurately measured. The same applies to other components. Therefore, the supply hopper and the like can be mounted without being conscious of the mounting position, and thus the efficiency of the mounting work after cleaning and maintenance can be further improved.

In the combination weigher according to the first and second embodiments, the trough 4a of the linear feeder 4, the supply hopper 6, the weighing hopper 10, and the auxiliary hopper 12 are provided with identification members 16, 20,
Only 24 and 28 are provided. Therefore, the trough 4a, the supply hopper 6,
When removing the weighing hopper 10 and the auxiliary hopper 12, the table is stored with the number of times of driving so far corresponding to each of the identification bodies 16, 20, 24, and 28, and the trough 4a, the supply hopper 6, the weighing hopper 10, when the auxiliary hopper 12 is attached, the bar code readers 18, 22, 26, 30
, The number of times of driving corresponding to the read bar code information is transferred to the integration area corresponding to each bar code reader 18, 22, 26, 30. Therefore, the control unit 14 or the host computer 32 needs to search the table.

This point is improved by the combination weigher according to the third embodiment. In this embodiment, the identification objects 16, 2
Instead of 0, 24, and 28, a readable and writable storage unit, for example, a magnetic storage type storage unit is provided. In these storage units, a storage area for storing identification information is provided, and a storage area for storing the number-of-driven times information indicating the number of times of driving, such as the supply hopper 6 provided with this storage unit, is also provided. Is provided. And barcode reader 1
Instead of 8, 22, 26, and 30, read / write means capable of reading and writing to the storage unit is provided. Other configurations are almost the same as those of the combination weigher of the first embodiment, and thus detailed description is omitted.

When the operation of the combination weigher is started, the identification information and the number of times of driving of the storage section of the constituent elements (trough, supply hopper, weighing hopper, auxiliary hopper) are
The data is read by the read / write means provided corresponding to each mounting position, and is transferred to the integration area (see FIG. 2) corresponding to each read / write means. In each integration area, every time the air cylinder for the corresponding combination component operates,
The number of times of driving is increased (updated) by one. Each time the operation of the combination weigher ends or stops, the number of times of driving of the integration area is overwritten by the read / write means in the number of times of driving storage area of the corresponding storage unit. Of course, while the combination weigher is operating, if the value of a certain integration area becomes equal to or greater than the corresponding life reference value, any combination weigher component (trough, supply hopper, The display indicates whether the weighing hopper and the auxiliary hopper have exceeded their life.

As described above, in the storage section provided for each combination weighing component, in addition to the identification information of the component,
Since the number of times of driving is stored, the control unit of the combination weigher is mounted at an arbitrary mounting position when the component is removed from the mounting position and is mounted again, for example, for cleaning. Even if this is the case, the number of times of driving up to now, which is stored in the storage unit, is transferred to the corresponding integration area at the start of operation. Therefore, the combination component can be attached to an arbitrary position, and there is no need to provide the control unit 14 with a table or a search unit using this table.

As in the second embodiment, a plurality of combination weighers according to the third embodiment are provided, the control units are connected to each other via a LAN, and the integration is performed by one of the control units or the host computer. It can also be done. In each of the above embodiments, the linear weighing feeder, the supply hopper, the weighing hopper, and the auxiliary hopper are used as the components of the combination weigher. Some are removed. Further, in the above combination weigher, all the combination weigher components can be mounted at any mounting position of the same type of component. However, for example, any of the linear feeder, the supply hopper, the weighing hopper, and the auxiliary hopper It is also possible that only the one selected in (1) can be mounted at an arbitrary mounting position. In the above embodiments, the service life of the supply hopper driving air cylinder, the weighing hopper gate driving air cylinder, and the auxiliary hopper gate driving air cylinder are also measured. Can also be removed. Further, in the above embodiment, the count value of each integration area is compared with the corresponding allowable limit value. However, each count value may be displayed on the display unit without performing the comparison.

[0041]

As described above, according to the present invention, after the combination weighing component is removed from the mounting position for cleaning or maintenance and inspection, the combination weighing component is placed at an arbitrary mounting position when the combination weighing component is mounted. In addition to being able to be attached, the efficiency of cleaning and maintenance work can be improved, the life of each component can be accurately grasped.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a combination weigher according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a configuration of an integration area used in a control unit of the combination weigher of FIG. 1;

FIG. 3 is a diagram showing a configuration of a table used in a control unit of the combination weigher of FIG. 1;

FIG. 4 is a schematic configuration diagram of a combination weigher according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1a to 1c Combination weigher 3 Attachment part 4 Straight feeder 6 Supply hopper 8 Drive part 10 Supply hopper 12 Auxiliary hopper

Claims (8)

[Claims] 1. A combination weighing component is detachably attached to a plurality of predetermined attachment positions of an attachment portion, and the combination weigher components are interchangeable with each other. Driving means are provided corresponding to the positions, and these driving means are combination weighers for driving the combination weighing components at the corresponding mounting positions, and each of the combination weighing components is identified so as to identify each of the combination weighing components. Different identifiers attached to the components, reading means provided on the attachment portion and reading the identifiers provided in the respective combination weighing components attached to the respective attachment positions, and the respective combination weigher components The number of operations of the corresponding combination weighing component is counted, and the number of operations of the combination weighing component is determined by the reading unit. A combination weigher component operation number counting means that is determined based on the number of times of driving of the combination means that drives each combination weigher component determined according to the result of reading the identification object. 2. A combination weigher component is detachably attached to a plurality of predetermined attachment positions of an attachment portion, and the combination weigher components are interchangeable with each other. Driving means are provided corresponding to the positions, and these driving means are combination weighers that drive the combination weighing components at the corresponding mounting positions, and are provided on the combination weighing components, and the combination weighing components are provided. Storage means for storing identification information for identifying the combination weighing component and the number of drive times of the combination weighing component up to now, and the storage means provided for the combination weighing component attached to each mounting position of the mounting portion. Reading means for reading identification information; updating means for increasing and reading the read drive count value each time the component operates; and updating the drive count value Combination weigher and writing means for writing the value in the storage means comprises. 3. The combination weigher according to claim 1, further comprising a driving means operation number counting means provided corresponding to said driving means and counting the number of operation times of the opposing driving means. Scale. 4. The combination weigher according to claim 1, wherein said combination weigher component is a weighing hopper for storing articles to be weighed, and said driving means discharges the articles from said weighing hopper. Scale. 5. The combination weigher according to claim 1, wherein said combination weigher component is a supply hopper for supplying articles to a weighing hopper, and said driving means weighs said articles from said supply hopper. Combination weigher supplied to hopper. 6. The combination weigher according to claim 1, wherein said combination weigher component is an auxiliary hopper for storing articles discharged from said weighing hopper, and said driving means is configured to control said articles from said auxiliary hopper. Combination weigher that discharges. 7. The combination weigher according to claim 1, wherein said combination weigher component is a linear feeder for supplying a supplied article to a corresponding article storage tank, and said driving means is a linear feeder. Combination weigher that transports goods to 8. A combination weigher comprising a plurality of combination weighers according to claim 1, 2 or 3, wherein the components of each combination weigher are interchangeable.