WO2006073087A1 - 組合せ秤 - Google Patents
組合せ秤 Download PDFInfo
- Publication number
- WO2006073087A1 WO2006073087A1 PCT/JP2005/023885 JP2005023885W WO2006073087A1 WO 2006073087 A1 WO2006073087 A1 WO 2006073087A1 JP 2005023885 W JP2005023885 W JP 2005023885W WO 2006073087 A1 WO2006073087 A1 WO 2006073087A1
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- WIPO (PCT)
- Prior art keywords
- combination
- hopper
- chambers
- weighing
- discharge
- Prior art date
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/387—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value
- G01G19/393—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for combinatorial weighing, i.e. selecting a combination of articles whose total weight or number is closest to a desired value using two or more weighing units
Definitions
- the present invention relates to a combination weigher for feeding a weighed object to a packaging machine or the like.
- Fig. 18 (a) is a schematic schematic view of a cross section of a conventional combination weigher also viewed from the side
- Fig. 18 (b) is a schematic view of the weighing hopper and collecting chute of the combination weigher also viewed from above. It is a schematic diagram.
- a conical dispersion feeder 1 that disperses the object to be weighed supplied from an external supply device radially by vibration is provided on the upper portion of the center substrate 9, and around the dispersion feeder 1,
- a linear feeder 2 is provided for feeding an object to be weighed sent from the dispersion feeder 1 to each supply hopper 3 by vibration.
- a plurality of supply hoppers 3 and weighing hoppers 4 are provided correspondingly, and are arranged in a circle around the center base 9.
- Each weighing hopper 4 is provided with a weight sensor 41 for measuring the weight of the object to be weighed in the weighing hopper 4.
- two collecting chutes 6A and 6B are arranged to collect the objects to be discharged from the weighing hopper 4 and discharge them from the discharge ports 6a and 6b. This is below the combination weigher are arranged, for example two packaging machine, each outlet 6a, objects to be weighed which have been discharged from 6b is put into inlet of the packaging machine 0
- the control unit 80 controls the operation of the entire combination weigher. In addition, the control unit 80 performs a combination operation based on the measurement value (measurement value by the weight sensor 41) of the weighing hono 4 of the group G1 disposed above corresponding to the collection shot 6A, and also performs the collection chute. Combined calculation is performed based on the weighing value of weighing hono 4 of group G2 arranged above 6B, and the total weighing value of weighing hopper 4 is allowed for the target weight in each group Gl, G2. Select the weighing hopper 4 with the optimum combination within the range, and discharge the object to be weighed from the selected weighing hopper 4. The objects to be weighed from the weighing hopper 4 of group G1 are collected.
- Patent Document 1 Japanese Patent Laid-Open No. 60-161530
- Patent Document 2 Japanese Patent Laid-Open No. 4-204330
- Patent Document 3 Japanese Patent Application Laid-Open No. 64-12229
- Patent Document 4 Japanese Patent Publication No. 3-61895
- Each of the present invention is a combination weigher having a plurality of discharge ports through which the objects to be weighed are discharged based on the combination calculation results. It aims at providing the combination scale which can aim at improvement of. Means for solving the problem
- the combination weigher includes a combination hopper chamber row in which the combination hopper chambers into which the objects to be weighed are placed are arranged in a row.
- a plurality of basic groups each consisting of a plurality of combination hopper chamber forces, and one or a plurality of adjustment unit groups each existing between adjacent ones of the combination hopper chambers.
- a plurality of outlets corresponding to each of the basic groups are provided in the lower part, and correspond to at least each of the outlets from each of the outlets.
- the combination hopper chamber force of the basic group is combined and discharged, and the object to be discharged from the combination hopper chamber of the adjustment unit group is The force of each of the two outlets corresponding to each of the two basic groups arranged on both sides of the adjustment unit group is adjusted so as to be selectively discharged.
- the basic group and the adjustment unit group are regrouped into a plurality of discharge groups including a plurality of combination hopper chambers each including one basic group and continuously arranged.
- the total weight of the objects to be weighed is allowed for the target weight.
- a combination process for obtaining the combination hopper chamber of a combination that is within a range and has the smallest difference from the target weight, and the discharge path switching chute The object to be weighed discharged from the combination hopper chamber of the adjustment unit group is discharged so that the discharge port force corresponding to the basic group included in the discharge group to which the adjustment unit group belongs is discharged.
- Control means for performing a discharge path switching process for switching the discharge path and a discharge process for discharging the object to be weighed for the combination of the combination hobba chambers required for each discharge group! I have.
- the adjustment unit group force is discharged.
- the adjustment unit group force is also discharged so that the force of each of the two outlets corresponding to each of the basic groups arranged on both sides can be selectively discharged.
- the discharge route of the measured objects to be measured can be switched, and each discharge group is obtained by combining the adjustment unit group with one of the basic groups on both sides. It is one set of candidates that exist in multiple sets. In other words, compared to the case where the combination hopper chambers constituting each discharge group without adjustment unit groups are always the same (in the case of the conventional example), even if the total number of combination hopper chambers is the same, there are multiple sets of candidates. Since one set of candidates can be selected as multiple emission groups, it is possible to improve the weighing accuracy of the combination in each emission group as a whole.
- the combination processing performed by the control means is performed by combining the adjustment unit group with! On either side of the adjustment unit group, and the basic group of any one of the adjustment unit groups. Regrouped into multiple discharge candidate groups that include the basic group and have multiple hopper chambers arranged in series And a plurality of re-grouped emission candidate groups as one emission candidate group set, and a process performed for each emission candidate group in the emission candidate group set. Therefore, by performing a combination calculation based on the weight of the objects to be weighed in the combination hopper chamber in the discharge candidate group, the total weight of the objects to be weighed becomes the target weight.
- the combination hopper chamber of the combination that is within the allowable range and has the smallest difference from the target weight is obtained, and the total weight of the objects to be weighed in the combination hopper chamber of this combination is determined as the optimum for the discharge candidate group.
- the adjustment unit group force can be selectively discharged from each of the two discharge ports corresponding to each of the basic groups arranged on both sides. In this way, it is possible to switch the discharge route of discharged objects to be measured, and each discharge group has a plurality of units determined by combining the adjustment unit group with one of the basic groups on both sides.
- the number of groups of the adjustment unit groups arranged between the basic groups is k (k is an integer of 1 or more), and the first process in the combination process performed by the control means is For each basic group, the combination hopper chambers are arranged in a row.
- m adjustment unit groups existing on the first column direction side (m is an arbitrary integer from 0 to k) are combined and reverse to the first column direction.
- the series including the first process is regrouped into the emission candidate groups. The value of m may be changed each time the process is repeated.
- the discharge path switching chute is disposed below all the basic groups and the adjustment unit dulls, and a plurality of discharge ports corresponding to the basic groups are provided in the lower part, and at least each of the Combined hopper chamber force of the basic group corresponding to the discharge port Collecting chute for collecting discharged objects to be discharged and discharging the discharge loci, and discharging from the combination hopper chamber of the adjustment unit group To separate the object to be weighed on the collective chute and to move the position to selectively move the objects to be weighed to each of the two outlets corresponding to the basic group on both sides of the adjustment unit group
- the control unit may be configured to perform the discharge path switching process by controlling the movable plate.
- the discharge path switching chute is disposed below all the basic groups and the adjustment unit dulls, and a plurality of discharge ports corresponding to the basic groups are provided in the lower part, and at least each of the The hopper chamber force for the combination of the basic group corresponding to the discharge port is provided below the adjustment unit group on the collective chute and a collective chute for collecting the discharged objects to be collected and discharging the discharge loca.
- the workpiece to be weighed discharged from the combination hopper chamber of the adjustment unit group is received at the upper opening force and discharged at the lower end, and the delivery port corresponds to the basic group on both sides of the adjustment unit group.
- a movable chute that is movable so as to selectively face each of the two discharge ports, and the control means controls the movable chute. It may be configured to perform the discharge path switching process by.
- the discharge path switching chute is disposed below all the basic groups and adjustment unit drapes, and the opening provided in the lower part is combined with the objects to be weighed discharged by the combination hopper chamber force.
- the upper chute for delivering force and the outlet corresponding to each of the basic groups are provided in the lower part, at least for the combination of the basic groups
- the hopper chamber force has a plurality of funnel regions for receiving the objects to be weighed and discharged from the opening of the upper chute, and discharging the discharge loci, and each of the funnel regions is a row of the plurality of combination hopper chambers.
- a lower chute in which the plurality of funnel regions are integrally movable so as to move along a direction of forming an object, and an object to be discharged from the combination hopper chamber of the adjustment unit group, from above the upper chute, A guide plate for feeding into the funnel area provided with the discharge port corresponding to the basic group included in the discharge group to which the adjustment unit group belongs, and the control means controls the lower chute
- the discharge path switching process may be performed.
- the guide plate is fixed to the upper chute, and the adjustment hopper chamber force of the adjustment unit group is guided to the predetermined unit of the opening of the upper chute to discharge the object to be weighed. It may be configured to be a partition plate that divides a passing area of the upper chute of the objects to be weighed discharged from the combination hopper chambers of the group.
- the guide plate is fixed on the boundary of the funnel region of each of the lower chutes, extends from the boundary to the upper chute, and moves along with the funnel region to move to the chute surface of the upper chute. It is good also as a structure which is a partition plate for partitioning the passage route in the said upper shout of the said to-be-measured object discharged
- the combination hopper chamber may be configured as the weighing chamber of the weighing hobba provided with only one weighing chamber in which the weight of the object to be weighed is weighed.
- the two hopper chamber rows for combination are arranged vertically, and the hopper chamber for combination in the upper hopper chamber row is a weighing chamber in which the weight of the object to be weighed is measured.
- the weighing chamber of the weighing hopper with only one, and the lower hopper chambers for combination of the yarn and knitting chambers are respectively provided corresponding to the weighing chambers and are weighed in the weighing chamber.
- the storage chamber of the memory hot bar having only one storage chamber into which a sample is put, and the measurement chamber can selectively discharge the sample to the corresponding storage chamber and the discharge path switching chute
- the adjustment unit group corresponds to the corresponding It may be composed of one or a plurality of sets composed of a measuring chamber and the storage chamber.
- the two hopper chamber rows for combination are arranged horizontally, and the hopper chambers for combination of the two hopper chamber rows for combination are arranged in pairs.
- the combination hopper chambers forming a pair of two combination hopper chamber rows are the two storage chambers of the memory hopper provided with two storage chambers, and above the two storage chambers of the respective memory hoppers,
- the weighing chamber of the weighing hobba having only one weighing chamber capable of selectively discharging the weighing object to each of the two storage chambers is arranged while the weight of the weighing object to be fed is weighed.
- the adjustment unit group may be composed of one or a plurality of sets including the two storage chambers of the memory hot bar. Further, the two hopper chamber rows for combination are arranged horizontally.
- the combination hopper chambers of the two combination hopper chamber rows are arranged so as to make a pair, and the combination hopper chambers forming the respective pairs of the two combination hopper chamber rows are inserted.
- the two weighing chambers of the weighing hot bar with two weighing chambers to be weighed, and the adjustment unit group is composed of the two weighing chambers of the weighing hot bar 1 or It may be composed of a plurality of sets.
- the two hopper chamber rows for combination are arranged horizontally, and the hopper chambers for combination of the two hopper chamber rows for combination are arranged in pairs.
- the combination hopper chambers forming a pair of two combination hopper chamber rows are the two storage chambers of the memory hopper provided with two storage chambers, and above the two storage chambers of the respective memory hoppers,
- Each of the weighing hobbies provided with two weighing chambers corresponding to each of the storage chambers, each of which weighs an object to be weighed and discharges the weighing object into the corresponding storage chamber.
- One measuring chamber may be provided, and the adjusting unit group force may be composed of one or a plurality of yarns composed of the two storage chambers of the memory hot bar.
- the combination hopper chamber row forms a pair for each of the two adjacent combination hopper chambers
- the combination hopper chambers that form a pair are the two storage chambers of the memory hopper having two storage chambers.
- the weight of the object to be weighed is weighed, and in front of a weighing hot bar equipped with only one weighing chamber that can selectively discharge the object to be measured into each of the two storage chambers.
- a measuring chamber may be provided, and the adjustment unit group may consist of one storage chamber of the memory hot bar! /.
- the combination hopper chamber row forms a pair for each of the two adjacent combination hopper chambers, and each of the pair of hopper chambers forming a pair has two weights to be weighed.
- the two weighing chambers of the weighing hot bar provided with the weighing chamber, and the adjustment unit group may be one weighing chamber force of the weighing hot bar.
- the combination hopper chamber row forms a pair for each of the two adjacent combination hopper chambers
- the combination hopper chambers that form a pair are the two storage chambers of the memory hopper having two storage chambers.
- the weights of the objects to be weighed are respectively weighed and applied to the corresponding storage chambers.
- the two weighing chambers of the weighing hot bar provided with two weighing chambers capable of discharging the weighing object may be provided, and the adjustment unit group may also serve as one storage chamber force of the memory hot bar.
- the two hopper chamber rows for combination are arranged vertically, and the hopper chamber for combination in the upper hopper chamber row is a weighing chamber in which the weight of the object to be weighed is measured.
- the weighing chamber of the weighing hopper with only one, and the lower hopper chambers for combination of the yarn and knitting chambers are respectively provided corresponding to the weighing chambers and are weighed in the weighing chamber.
- the storage chamber of the memory hot bar having only one storage chamber into which a sample is put, and the measurement chamber can selectively discharge the sample to the corresponding storage chamber and the discharge path switching chute
- the adjustment unit group is composed of one or a plurality of sets composed of the corresponding weighing chamber and the storage chamber, and is arranged above the weighing hob corresponding to each weighing hopper, The meter of the corresponding weighing hotspot
- the means obtains a combination hopper chamber that is a combination calculation target scheduled to be weighed in at the time of performing the combination calculation in the next combination process after the discharge process, and sets the target weight And the number of the combination hopper chambers that are scheduled for the combination calculation, each discharge group is determined, and then each of the determined combinations until the combination calculation in the next combination process is completed.
- the discharge route switching process may be performed in accordance with the discharge group, and the combination calculation in the next combination process may be performed for each of the determined discharge duplications.
- the total number of combination hopper chambers is the same as in the case where the combination hopper chambers constituting each discharge group without adjustment unit groups are always the same (in the case of the conventional example). Even in such a case, one set of candidates can be selected as a plurality of emission groups from among a plurality of candidates, so that it becomes possible to improve the measurement accuracy of the combination in each emission group as a whole.
- the one-chamber weighing hobba and the one-chamber memory hot bar are paired, and the two hot-bar chambers that make up this pair are selected as a combination at the same time, the storage chamber of the memory hot bar is used at the time of the next combination calculation.
- the target weight and the next combination By determining each discharge group based on the number of combination hopper chambers to be included in the calculation, it becomes possible to improve the measurement accuracy of the combination in each discharge group as a whole. For example, if the target weight is the same, the discharge group should be determined so that the number of combination hopper chambers to be combined in each discharge group is the same or approximately the same.
- the two hopper chamber rows for combination are arranged horizontally, and the hopper chambers for combination of the two hopper chamber rows for combination are arranged in pairs.
- the combination hopper chambers forming a pair of two combination hopper chamber rows are the two storage chambers of the memory hopper provided with two storage chambers, and above the two storage chambers of the respective memory hoppers,
- the weighing object to be put in is weighed and one weighing chamber that can selectively discharge the weighing object to each of the two storage chambers.
- the adjustment unit group is composed of one or a plurality of sets including the two storage chambers of the memory hot bar, and each of the weighing chambers of the weighing hot bar is provided.
- the combination processing in the present combination process and the combination calculation in the next combination process until the next combination calculation are performed.
- the object to be weighed can be put into only one of the two storage chambers, and the control means performs the combination processing in the next combination process after performing the discharge process.
- the combination hopper chamber scheduled for combination calculation is calculated and the target weight and the number including the combination hopper chamber scheduled for combination calculation are calculated.
- Each of the emission groups is determined based on the above, and then the above-described emission path switching process is performed according to each of the determined emission groups until the combination calculation in the next combination process is completed.
- a combination calculation in the next combination process may be performed for each of the emission groups.
- the target weight and the next By determining each discharge group based on the number of combination hopper chambers to be targeted in the combination calculation, it becomes possible to improve the measurement accuracy of the combination in each discharge group as a whole. For example, if the target weight is the same, the discharge group should be determined so that the number of combination hopper chambers included in each discharge group is the same or nearly the same!
- the two hopper chamber rows for combination are arranged horizontally, and the hopper chambers for combination of the two hopper chamber rows for combination are arranged in pairs.
- the combination hopper chambers that form a pair of two combination hopper chamber rows are the two weighing chambers of the weighing hobba provided with two weighing chambers in which the weights of the objects to be weighed are measured,
- the adjustment unit group is composed of one or a plurality of sets composed of the two weighing chambers of the weighing hopper, and the weighing hopper is associated with each of the weighing hoppers.
- a plurality of objects to be weighed can be introduced into only one of the two weighing chambers of the corresponding weighing hotspot from the combination operation in the present combination process to the combination operation in the next combination process.
- the control means after performing the discharge process, the combination calculation target schedule combination in which the object to be weighed is scheduled to be added at the time of performing the combination calculation in the next combination process And determining each discharge group based on the target weight and the number of combination hopper chambers that are scheduled for combination calculation.
- the discharge route switching process is performed in accordance with each determined discharge group until the combination calculation in each combination process is completed, and the next combination process is performed on each determined discharge group. You may comprise so that a combination calculation may be performed.
- the weighing object is not put into one of the weighing chambers at the time of the next combination calculation, and the weighing The room is not the target of the next combination calculation (cannot participate in the combination), and after the discharge process, the target weight and the combination hopper room that will be the target for the next combination calculation
- the discharge duplication may be determined so that the number of combination hopper chambers to be combined for calculation included in each discharge group is the same or substantially the same.
- the two hopper chamber rows for combination are arranged horizontally, and the hopper chambers for combination of the two hopper chamber rows for combination are arranged in pairs.
- the combination hopper chambers forming a pair of two combination hopper chamber rows are the two storage chambers of the memory hopper provided with two storage chambers, and above the two storage chambers of the respective memory hoppers, Corresponding to each of the storage chambers, the weight of the object to be weighed is measured and discharged to the corresponding storage chamber.
- the two weighing chambers of the weighing hot bar with two weighing chambers are arranged, and the adjusting unit group force is composed of one or a plurality of sets composed of the two receiving chambers of the memory hot bar,
- the weighing object is disposed above the weighing hot bar corresponding to the weighing hot bar, and an object to be weighed is selectively introduced into each of the two weighing chambers of the corresponding weighing hot bar.
- V of the two weighing chambers of the weighing hobba corresponding to the difference between the combination calculation in the current combination process and the next combination calculation in the combination process.
- a plurality of supply means that can input an object to be weighed only, and the control means performs a combination operation in the next combination process after performing the discharge process.
- the discharge group switching process is performed according to each determined discharge group until the combination calculation in the next combination process is completed, and the determined each discharge group is determined. You may comprise so that the combination calculation in the said next combination process may be performed with respect to a dull.
- the memory hopper will be shifted at the time of the next combination calculation.
- the containment chamber is not subject to the next combination calculation (cannot participate in the combination).
- the overall weighing accuracy of the combination in each discharge group should be improved. Is possible. For example, if the target weights are the same, the discharge groups may be determined so that the number of combination hopper rooms to be combined and included in each discharge group is the same or substantially the same.
- the combination hopper chamber row forms a pair for each of the two adjacent combination hopper chambers
- the combination hopper chambers that form a pair are each the two of the hoppers having two chambers.
- the adjustment unit group is one chamber force of the hot bar and the adjustment unit group is one combination operation or continuous in the combination process. Any one of the two chambers of the hot bar between the time when the two chambers of the hot bar are selected at the same time by the combination operation in the two combined processes and the time when the combination operation in the next combination process is performed.
- the control means has a configuration in which only one of the objects to be weighed is input, and after the discharge process, the control means has already input the object to be measured at the time of performing the combination calculation in the next combination process.
- the combination hopper chambers scheduled for combination calculation are determined, and each of them is determined based on the target weight and the number of the combination hopper chambers scheduled for combination calculation.
- the discharge group is determined, and then the discharge route switching process is performed in accordance with each determined discharge group until the combination calculation in the next combination process is completed. You may comprise so that the combination calculation in the said next combination process may be performed with respect to an emission group.
- the adjustment unit group is composed of one chamber of Hotsuba, compared to Hotba with two chambers.
- the two-chamber weighing hopper and the two-chamber memory hopper are paired, and the two storage chambers of the two-chamber memory hopper are selected as a combination at the same time, or two of the two-chamber weighing hopper are selected.
- the weighing chamber is selected as a combination at the same time, or when the two-chamber type weighing hobba and the two-chamber type memory hob are paired and the two chambers of the memory hobba are selected as the combination twice in succession, etc.
- control means may be configured to perform the discharge process simultaneously on all the discharge groups.
- the objects to be weighed are discharged simultaneously from the combination hopper chambers obtained by the combination calculation in each discharge group.
- the combination hopper chamber row may be configured such that the combination hopper chambers are arranged in a circle.
- the combination hopper chamber row may be configured such that the combination hopper chambers are arranged in a straight line.
- the target weights of the objects to be weighed discharged from the respective discharge ports of the discharge path switching chute are different, and the respective weights of the respective objects according to the size of the target weights of the objects to be weighed discharged by the respective discharge port forces are different.
- the number of the combination hopper chambers constituting the basic group corresponding to the discharge port may be increased or decreased.
- it may be configured to discharge to the input ports of a plurality of packaging machines each corresponding to the discharge port.
- Each of the discharge paths switching chute is provided at each of the discharge ports, and after storing the objects to be discharged, the discharge objects are discharged to the same input port of the packaging machine.
- a plurality of collective hobbies for controlling, and the control means sequentially selects each of the plural collective hobbies and discharges the objects to be weighed to the input port of the packaging machine.
- the objects to be weighed which are also discharged by the respective discharge group forces, are stored in the respective collecting hobbies, and the objects to be weighed are sufficiently solidified, and then the collecting hono Therefore, it is possible to shorten the discharge time of each discharge from each collective hot bar and shorten the discharge cycle, thereby enabling high-speed operation. Therefore, it can be used for high-speed packaging machines.
- the definition of “difference” is defined as follows. For example, when a and b are arbitrary numbers, the difference between a and b means the absolute value of the value obtained by subtracting b from a, or the absolute value of the value obtained by subtracting a from b. Therefore, “difference” is always a value greater than or equal to 0, and “sum of differences” is always greater than or equal to 0. In the present invention, the difference between the total weight of the objects to be weighed and the target weight, the sum of the differences between the optimum combination weight and the target weight, etc. The definition applies.
- the present invention can improve the weighing accuracy in a combination weigher having the above-described configuration and having a plurality of discharge ports from which measured objects are discharged based on the combination calculation results. If you can!
- FIG. 1 is a schematic schematic view of a cross section of a combination weigher of a configuration example of Embodiment 1 of the present invention in which the lateral force is also viewed, and Fig. 1 (b) is the same as FIG.
- FIG. 6 is a schematic diagram of the collective chute and the collective funnel of the combination weigher viewed upward.
- Fig. 2 is a schematic schematic view of a cross section of the combination weigher of one configuration example of the first embodiment of the present invention as viewed from a side force different from Fig. 1 (a).
- FIG. 3 is a flowchart showing the operation of the combination weigher according to the first embodiment of the present invention.
- FIG. 4 (a) is a schematic schematic view of a cross section of the combination weigher of the first configuration example of the second embodiment of the present invention, in which the lateral force is also viewed, and FIG. 4 (b) is the same combination.
- FIG. 3 is a schematic diagram of the collective chute, collective funnel, and the like of the scale as viewed upward.
- Fig. 5 is a schematic diagram of the collective chute, the collective funnel, and the like of the combination weigher of the second configuration example according to the second embodiment of the present invention when viewed upward.
- FIG. 6 is a schematic schematic view of a cross section of the combination weigher of the first configuration example according to the third embodiment of the present invention, and also shows the side force, and Fig. 6 (b) is the same combination.
- FIG. 3 is a schematic diagram of the collective chute, collective funnel, and the like of the scale as viewed upward.
- FIG. 7 (a) is a schematic schematic view of a cross section of the combination weigher of the second configuration example of the third embodiment of the present invention, in which the lateral force is also viewed, and FIG. 7 (b) is the same combination
- FIG. 3 is a schematic diagram of the collective chute, collective funnel, and the like of the scale as viewed upward.
- FIG. 8 is a schematic diagram showing another example of the hot bar used in the combination weigher of the embodiment of the present invention.
- Fig. 9 shows another example of the hot bar used in the combination weigher of the embodiment of the present invention. It is a schematic diagram.
- FIG. 10 is a schematic diagram showing another example of the hot bar used in the combination weigher according to the embodiment of the present invention.
- FIG. 11 is a schematic diagram showing another example of a hot bar used in the combination weigher of the embodiment of the present invention.
- Fig. 12 is a schematic schematic view of an assembly chute, an assembly funnel, and the like of a combination weigher showing an example of a configuration using a weighing hopper having two chambers according to an embodiment of the present invention.
- FIG. 13 is a schematic schematic view of a cross section of the combination weigher as viewed from the side force, showing an example of a configuration in which a collecting hopper is added in the embodiment of the present invention.
- FIG. 14 (a) is a schematic schematic view of the combination weigher of one configuration example of Embodiment 4 of the present invention as viewed from above, and FIG. 14 (b) is the side of the combination weigher. It is a schematic diagram of the cross section which also looked at direction
- FIG. 15 (a) is a schematic diagram of a combination weigher of a configuration example of Embodiment 5 of the present invention as viewed from above
- FIG. FIG. 16 (a) is a schematic schematic view of the combination weigher of the first configuration example of Embodiment 6 of the present invention as viewed from above
- 16 (b) is a schematic schematic view of a cross section viewed from the side of the combination weigher
- FIG. 16 (c) is a schematic schematic view of a cross section of the assembly funnel of the combination weigher and its vicinity. .
- FIG. 17 (a) is a schematic schematic view of the combination weigher of the second configuration example of Embodiment 6 of the present invention viewed from above, and FIG. 17 (b) is the side of the combination weigher.
- FIG. 17 (c) is a schematic schematic diagram of a cross section of the combination funnel of the combination weigher and its vicinity.
- FIG. 18 (a) is a schematic schematic view of a cross section of a conventional combination weigher also viewed from the side
- FIG. 18 (b) is a view of the weighing hopper and collective chute of the same combination weigher as well. It is a schematic diagram.
- FIG. 1 (a) is a schematic diagram of a cross section viewed from the side force of the combination weigher of one configuration example of Embodiment 1 of the present invention
- FIG. 1 (b) is a collective chute of the combination weigher
- FIG. 3 is a schematic view of the collective funnel and the like viewed from above.
- this combination weigher has a center substrate (body) 9 supported at the center of the apparatus, for example, supported by four legs (not shown).
- a conical dispersion feeder 1 that disperses the object to be weighed supplied from the supply device radially by vibration is provided.
- a linear feeder 2 is provided for feeding an object to be weighed sent from the dispersion feeder 1 to each supply hopper 3 by vibration.
- a plurality of supply hoppers 3 and weighing hoppers 4 are provided correspondingly, and are arranged in a circle around the center substrate 9.
- FIG. 1 (b) shows the dispersion feeder 1, the linear feeder 2, the supply hopper 3 and the center base 9!
- a collective chute 6 having a substantially inverted truncated cone shape is arranged below the weighing hoppers 4 arranged in a circle, and the objects to be weighed that fall from the collective chute 6 are collected under the collective chute 6.
- Two collective funnels 7A and 7B that discharge from the outlets 7a and 7b are attached.
- the collective funnels 7A and 7B are funnels each having a semicircular opening at the top and discharge openings 7a and 7b each having a circular opening at the bottom.
- a movable plate 10 that partitions the collective chute 6 is provided.
- Fig. 2 is a schematic diagram of a cross section of the assembly panel 7A side (left side of Fig. 1 (b)), also viewed.
- a fixed shaft 11 fixed vertically is provided between both ends of the upper boundary of the collective funnels 7A and 7B and the bottom surface of the center base 9, and a movable plate 10 is rotatably attached to each fixed shaft 11 by a hinge or the like.
- the movable plate 10 is rotated around the fixed shaft 11 by the operation of the air cylinder 12 controlled by the control unit 20. Since the movable plate 10 rotates in this way, as shown in FIG.
- the chute portions 6a and 6b in the range in which each movable plate 10 rotates are formed to slightly bulge outward.
- the air cylinder 12 is attached and fixed to the bottom surface of the center base 9, and at the connecting portion 15 between the piston rod of the air cylinder 12 and the movable plate 10, the piston rod of the air cylinder 12 is in the horizontal direction with respect to the movable plate 10.
- the connecting portion 15 is configured to be slidable in the horizontal direction along the plate surface of the movable plate 10. With such a configuration, the movable plate 10 is rotated about the fixed shaft 11 as the piston rod moves forward and backward. In FIG.
- the position of the movable plate 10 when the piston rod is in the retracted position is indicated by a solid line
- the position of the movable plate 10 when it is in the forward position is indicated by a broken line.
- the position of the movable plate 10 determines whether the object to be weighed in the weighing hopper 4 of the adjustment unit group CGI, CG2 is discharged to the collecting funnel 7A or the collecting funnel 7B.
- the fixed shaft 11, the movable plate 10, and the air cylinder 12 are not shown.
- the weighing hoppers 4 arranged in a circle are grouped into a plurality of basic groups FG1, FG2 and adjustment unit groups CGI, CG2 between them.
- Basic group FG1 is a group of weighing hono 4 where discharged objects pass through collective funnel 7A
- basic group FG 2 is a weighing hopper 4 where discharged objects pass through collective funnel 7B. It is a group.
- the adjustment unit group CGI, CG2 is a group of the weighing hopper 4 through which the discharged objects to be weighed pass through the collective funnel 7A or the collective funnel 7B depending on the position of the movable plate 10.
- each adjustment unit group is provided between each of the basic groups FG1 and FG2, and a plurality of adjustment unit groups may be provided.
- the movable plate 10 Is controlled so that it can be moved and stopped for each adjustment unit group.
- each adjustment unit group CGI, CG2 can be configured to be composed of a plurality of weighing hoppers 4 which are continuously arranged with a force constituted by one weighing hopper 4. For example, when two weighing hoppers 4 are used as one adjustment unit group, the movable plate 10 is controlled so that it can move and stop for each of the two weighing hoppers 4.
- the control unit 20 controls the operation of the entire combination weigher and performs combination processing that will be described in detail later.
- the adjustment unit groups CGI and CG2 are combined with one of the basic groups FG1 and FG2 on either side of them, so that each of the weighing hoppers includes one basic group and is arranged continuously.
- the combination calculation (optimal combination) to be discharged is determined from the weighing hoppers 4 belonging to each discharge group.
- an emission group including the basic group FG1 (hereinafter referred to as emission group A) and an emission group including the basic group FG2 (hereinafter referred to as emission group B) are determined, and the emission group A and emission group are determined.
- the movable plate 10 is moved to the boundary position with B.
- Fig. 1 (b) Assuming that the movable plate 10 has moved to the boundary between output group A and discharge group B, discharge group A consists of basic group FG1 and adjustment unit group CG1, and discharge group B includes basic group FG2. It is decided to become a unit of adjustment unit CG2.
- Objects to be weighed discharged from the weighing hopper 4 of the optimal combination of the discharge group A are collected in the collecting funnel 7A and discharged from the discharge port 7a, and discharged from the weighing hopper 4 of the optimal combination of the discharging group B. Are collected in the collecting funnel 7B and discharged from the outlet 7b.
- Two packaging machines (not shown) are arranged below the combination weigher, and the objects to be weighed discharged from the discharge port 7a of one collecting funnel 7A are fed into one packaging machine, and the other set is assembled.
- the objects to be weighed discharged from the outlet 7b of the funnel 7B are put into the other packaging machine.
- the exhaust chute 6, the funnels 7A and 7B, and the movable plates (10, 11, 12) constitute an exhaust path switching chute.
- the collective funnels are arranged so that the objects discharged from the weighing hoppers 4 of the discharge groups A and B and sliding down the collective chute 6 do not jump into the collective funnels of different discharge groups.
- the partition plate 8 is arranged on the upper boundary between 7A and 7B.
- FIG. 3 is a flowchart showing the operation of the combination weigher of the present embodiment. The combination processing is performed in steps S1 to S5. It is processing of.
- control unit 20 has a built-in memory, and information necessary for the combination process (which weighing hot bar is used to configure the basic group, adjustment unit group, emission candidate group, and emission group described later). Information, the information indicating the weighing hopper of the optimum combination, the information of the optimum combination weight, the difference obtained in step S4 and the difference Total information etc.) is stored in memory.
- the repeat step S1 repeats the processes of the following steps S2 to S4, thereby obtaining the sum of differences described later for each of all the emission candidate group sets.
- step S2 all basic groups and adjustment unit groups are arranged consecutively, including one basic group by combining the adjustment unit group with! / On either side of the adjustment unit group. Re-group into multiple discharge candidate groups consisting of multiple weighing hoppers 4 and make this multiple discharge candidate group into one discharge candidate group.
- step S3 processing is performed for each emission candidate group in the emission candidate group set, and is input to the weighing hopper 4 in the emission candidate group to perform a combination calculation based on the weight of the objects to be weighed.
- the weighing hopper 4 of one combination (optimal combination) in which the total weight of the objects to be weighed is within the allowable range with respect to the target weight and the difference from the target weight is the smallest is obtained.
- the sum of the weighing values of weighing hopper 4 of the optimum combination is the optimum combination weight.
- step S4 for each emission candidate group in the emission candidate group set, the difference between the optimum combined weight and the target weight is obtained, and the sum of the differences obtained for each emission candidate group is calculated.
- steps S2 to S4 By repeating the processes in steps S2 to S4 a plurality of times, the sum of the differences in each of all emission candidate group sets in which at least two emission candidate groups are different from each other is obtained.
- the process in the repeated steps S1 (S2 to S4) is the same even if all emission candidate group sets are obtained first and steps S3 and S4 are performed for each emission candidate group set.
- all the emission candidate group sets may be stored in advance in the memory in the control unit 20, and step S3 and step S4 may be performed for each emission candidate group set!
- each emission candidate group set consists of a first emission candidate group including the basic group FG1 and a second emission candidate group including the basic group FG2. Is required. That is, the first emission candidate group covers only basic group FG1, and the second emission candidate group becomes basic group FG2. And the two adjustment unit groups CGI, CG2, and the powerful emission candidate group set, the first emission candidate group is the basic group FG 1, and the adjustment unit group CG 1, and the second emission candidate group is the basic group FG2.
- first emission candidate group is basic group FG1 and adjustment unit double CG2
- second emission candidate group is basic group FG2 and adjustment unit Emission candidate group set consisting of dull CG1 and the first emission candidate group are the basic dull FG1 and two adjustment unit groups CGI and CG2, and the second emission candidate group is the basic group FG2.
- step S5 one emission candidate group set that minimizes the sum of the differences obtained in step S4 is selected from all emission candidate group sets, and all emission candidate groups in the emission candidate group set are selected. Decide on an emission group.
- step S6 the discharge path of the weighing object to be discharged is switched according to the discharge group determined in step S5. That is, the discharge route is switched so that the objects to be weighed discharged from the weighing hopper 4 of the adjustment unit group also discharge the discharge locus corresponding to the discharge group to which the adjustment unit group belongs.
- the discharge path is switched by moving the position of the movable plate 10.
- the first discharge candidate group is the basic group FG1 and the adjustment unit group.
- each movable plate 10 is moved to the position indicated by the solid line in FIG. 1 (b). In addition, when it exists in the said position previously, naturally the movable plate 10 remains stopped.
- step S7 the optimal combination of weighing hono 4 gates in all emission groups Open at the same time to discharge the object to be weighed.
- the weighing hopper 4 with the smallest total difference between the weighing values of the weighing hopper 4 and the target weight is selected as the weighing hopper 4 with the optimum combination. If the allowable range is greater than or equal to the target weight, the value obtained by subtracting the target weight from the optimum combined weight can be obtained as the difference. In addition, when the value smaller than the target weight is set as the lower limit value of the allowable range and the value larger than the target weight is set as the upper limit value of the allowable range, the optimal combination weight is larger than the target weight!
- the value obtained by subtracting the target weight from the weight is the above difference, and if the optimum combination weight is smaller than the target weight, the value obtained by subtracting the optimum combination weight from the target weight may be obtained as the above difference.
- require as said difference.
- step S3 calculate the difference between the total weight of the objects to be weighed and the target weight when the weighing hopper 4 of the optimum combination is obtained. The difference is the smallest! The combination is optimal. Although it is a combination, the difference calculated in this case is the same as above, and is 0 or a positive value.
- each movable plate 10 can be changed as appropriate. For example, in order to prevent the object to be weighed from entering the collective funnel of another discharge group, it is necessary to rotate about the fixed shaft 11 and the portion 10a near the collective chute 6 from the alternate long and short dash line shown in Fig. 2 The necessary holding portion and the connecting portion between the piston rod of the air cylinder 12 and the necessary force may be left without the central portion excluding these portions.
- the movable plate 10 is rotated using the air cylinder 12, but this is only an example, and other configurations may be used.
- the fixed shaft 11 is replaced with a rotating shaft, the rotating shaft and the movable plate 10 are fixed, a bearing is provided below the rotating shaft, and a motor (stepping motor) is provided above the rotating shaft.
- the movable plate 10 can be operated in the same manner by connecting to the motor shaft and rotating the rotation shaft with the motor.
- the motor may be fixed by being attached to the bottom surface of the center substrate 9, for example.
- the weighing hopper 4 is divided into a basic group and an adjustment unit group, and a discharge group is determined by combining the adjustment unit group with either of the basic groups on either side of the adjustment group.
- the movable plate 10 By moving the movable plate 10 according to the discharge group to which the unit group belongs, it is possible to selectively discharge the objects to be discharged from the weighing hopper 4 of the adjustment unit group to the two collective funnels 7A and 7B. .
- the total of the weighing hopper 4 Even if the number is the same, select one set that has the smallest difference between the optimal combination weight and the target weight in each set, and select that set as multiple discharge groups. Therefore, it is possible to improve the weighing accuracy of the combination in each emission group as a whole.
- the allowable range in the combination calculation is a range equal to or greater than the target weight, as described above, a set having the smallest difference between the optimum combination weight and the target weight is defined as a plurality of discharge groups. Therefore, the total weight of the optimum combination weight can be reduced, and the consumption of the objects to be weighed can be reduced.
- FIG. 4 (a) is a schematic diagram of a cross section viewed from the side force of the combination weigher of the first configuration example of Embodiment 2 of the present invention
- FIG. 4 (b) is the same combination weigher.
- FIG. 3 is a schematic view of the collective chute, the collective funnel, and the like viewed from above.
- the same components as those in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.
- a movable chute 21 is provided instead of the movable plate 10 in the first embodiment.
- This movable chute 21 is also a square cylindrical tube member, for example, provided on the collective chute 6 below the weighing hopper 4 of the adjustment unit groups CG1 and CG2, and the upper opening force adjustment unit group CG1, CG2
- the objects to be weighed discharged from the weighing hopper 4 are received and sent to the collecting funnels 7A and 7B from the lower end opening (sending port).
- the movable chute 21 is rotated by, for example, a motor 23 so that the direction of the delivery port can be switched between the collecting funnel 7A side and the collecting funnel 7B side.
- the upper surface of the movable chute 21 is connected to the motor shaft 22, and the mounting portion 24 to the collective chute 6 is provided on the lower surface of the movable chute 21 on the extension line of the motor shaft 22.
- the movable chute 21 is attached to the collective chute 6 in a rotatable configuration.
- a short shaft may be provided on the lower surface of the movable chute 21 on the extended line of the motor shaft 22 so as to protrude toward the collective chute 6, and a bearing portion or a shaft hole for receiving the shaft may be provided in the collective shunt 6.
- the upper surface of the movable chute 21 except for the portion necessary for the connection of the motor shaft 22, if the object to be weighed does not jump out, it will not be affected even if it is opened.
- FIG. 1 A flowchart showing the operation of the combination weigher of the present embodiment is shown in FIG.
- the difference in operation from the first embodiment is only a specific operation by the processing in step S6, and the other operations are the same as those in the first embodiment. That is, since the movable chute 21 is provided instead of the movable plate 10 in the first embodiment, the control unit 20 controls the motor 23 to control the movable chute in switching the discharge path in step S6 in the present embodiment. This is done by rotating 21.
- emission group A discharged to collective funnel 7A determined in step S5 includes adjusted unit group CG1 (emission group B discharged to collective funnel 7B does not include adjusted unit group CG1):
- emission group A discharged to collective funnel 7A determined in step S5 includes adjusted unit group CG1 (emission group B discharged to collective funnel 7B does not include adjusted unit group CG1):
- the outlet of the movable chute 21 below the adjustment unit group CG1 is turned so that it faces the collecting panel 7A, and the discharge unit A does not include the adjustment unit group CG1 (the discharge unit B has the adjustment unit group CG1 )
- FIG. 5 shows a second configuration example of the second embodiment of the present invention.
- FIG. 5 shows a second configuration example of the second embodiment of the present invention.
- FIG. 5 is a schematic diagram of the combination chute, the collective funnel, and the like of the combination weigher of the second configuration example of Embodiment 2 of the present invention as viewed from above, and a schematic cross-sectional view of the combination weigher as viewed from the side force.
- the schematic diagram is the same as FIG. 4A when the movable shute 21 is replaced with a movable chute 21A.
- Fig. 5 shows a configuration example in which two adjustment unit groups (CG11, CG12) and (CG21, CG22) are provided between the basic groups FG1 and FG2, and the two adjustment unit groups CG11, A movable chute 21A is placed under CG12, and two adjustment unit groups CG 21, A movable chute 21B is placed below CG22.
- the movable chutes 21A and 21B are made of a cylindrical member, and are provided with attachment portions 24 to the collective chutes 6 on the lower surfaces of the movable chutes 21A and 21B.
- the upper surface is connected to the motor shaft 22 and is rotated by the motor 23. This configuration is the same as the movable chute 21 in FIG.
- the movable chute of this example for example, the movable chute 21A arranged below the two adjustment unit groups CG11, CG12, is placed in the center so that the objects to be weighed discharged from each adjustment unit group CG11, CG12 do not mix.
- a partition plate 21 c is provided, and the passage of the object to be weighed is separated into two.
- the object to be weighed discharged from one adjustment unit group CGI 1 passes through one passage and is sent out from the outlet 21a, while the object to be weighed from the other adjustment unit group CG12 passes through the other passage. It is sent from street outlet 21b.
- the movable chute 21B arranged below the two adjustment unit groups CG21 and CG22 has the same configuration. On the upper surface of these movable chutes 21A and 2IB, except for the part necessary for the connection of the motor shaft 22, if the object to be weighed does not pop out, it may be opened!
- emission group A including basic group FG1 and emission group B including basic group FG2 determined in step S5 of the combination process ( Figure 3).
- emission group A and B are determined as emission candidate groups in the selected set.
- Each emission candidate group set consists of a first emission candidate group including the basic group FG 1 and a second emission candidate group including the basic group FG2.
- the nine emission candidate group sets do not include the adjustment unit group in the first emission candidate group, and include all adjustment unit groups CG11, CG12, CG21, CG22 in the second emission candidate group.
- the first emission candidate group includes one adjustment unit group CG11
- the second emission candidate group includes three adjustment unit groups CG12, CG21, and CG22
- the first emission candidate group includes One adjustment unit group CG21
- the second emission candidate group includes the three adjustment unit groups CG11, CG12, CG22, the emission candidate group set
- the first emission candidate group includes the two adjustment unit groups CGI 1, CG12
- the second emission candidate group includes two adjustment unit groups CG21 and CG22
- the first emission candidate group includes two adjustment unit dulls.
- Group CG21 and CG22, the second emission candidate group includes two adjustment unit groups C Gil and CG12
- the first emission candidate group includes two adjustment unit groups CG11 and CG21.
- the second emission candidate group includes two adjustment unit groups CG12 and CG22
- the first emission candidate group includes three adjustment unit groups CG11, CG21 and CG22, and the second emission candidate.
- One adjustment unit group in the group Emission candidate group set including CG12, three adjustment unit groups in the first emission candidate group CG11, CG12, CG21, one adjustment unit group in the second emission candidate group An emission candidate group set that includes CG22, the first emission candidate group that includes all adjustment unit groups CG11, CG12, CG21, and CG22, and the second emission candidate group that does not include an adjustment unit group Complementary group set.
- the discharge candidate group is a group composed of a plurality of weighing hoppers 4 arranged in succession.
- the basic group FG 1 and the adjustment unit group Such a combination group that includes CG 12 and does not include the adjustment unit group CG 11 between them is not an emission candidate group (emission group).
- the control unit 20 controls each motor 23 to rotate each movable chute 21A, 21B to a desired position.
- the discharge route is switched in S6.
- emission group A includes adjustment unit group CGI 1
- emission group B includes adjustment unit group CG12
- the discharge unit A includes the adjustment unit groups CG11 and CG12
- the outlets 21a and 21b of the movable chute 21A are connected to the collective funnel.
- the discharge unit A does not include the adjustment unit groups CG11 and CG12 (when the discharge group B does not include the adjustment unit groups CG11 and CG12), it is turned to the 7A side. Rotate 21a and 21b so as to face the collecting funnel 7B. The same applies to the other movable chute 21B.
- a movable chute 21, ( 21A, 21B), and the same effects as in the first embodiment can be obtained.
- FIG. 6 (a) is a schematic diagram of a cross section viewed from the side force of the combination weigher of the first configuration example of Embodiment 3 of the present invention, and FIG. 6 (b) is the same combination weigher.
- FIG. 3 is a schematic view of the collective chute, the collective funnel, and the like viewed from above.
- Fig. 6 (a) shows a cross section taken along line I-I in Fig. 6 (b).
- the same components as those in FIGS. 1 and 2 are denoted by the same reference numerals, and the description thereof is omitted.
- each adjustment unit group force is also formed on the exclusive passage path ⁇ joint chute 6 for the discharged objects to be weighed.
- the main difference from the first embodiment is that the partition plate 31 is fixed on the joint chute 6 and the two collective funnels 7A and 7B are configured to be rotatable.
- the motor shaft 32 in order to rotate the collective funnels 7A and 7B, is connected to the center thereof and is rotated by the motor 33.
- the motor 33 is attached and fixed to the bottom surface of the center substrate 9.
- the number of adjustment unit groups arranged between the basic groups is the same number (k).
- step S2 uses one value m (n), and each time it is repeated in iteration step S1, the value of m (n) is changed and all values from 0 to k are changed. If the value (integer value) is used for m, then repeat step S1 ends.
- k l
- the first column direction is the XI direction
- the second column direction is the X2 direction
- the weighing hoppers 4 are arranged in a circle, and all basic groups FG1 and FG2 have adjustment unit groups on both sides.
- the basic group FG1 Combining 0 adjustment unit groups on the XI direction side and 1 adjustment unit group CG2 on the X2 direction side gives an emission candidate group consisting of the basic group FG1 and the adjustment unit group CG2.
- basic group FG2 and adjustment unit group CG1 are combined.
- An additional emission candidate group is obtained. In this way, the above two emission candidate groups are obtained in the first step S2, and set as the first emission candidate group set.
- a candidate group consisting of the basic group FG1 and the adjustment unit groups CG21 and CG22 can be obtained.
- the basic group FG2 is combined with 0 adjustment unit groups on the XI direction side and the two adjustment unit groups CG11 and CG12 on the X2 direction side are combined, the basic group FG2 and the adjustment unit group CG11, Emission candidate groups can be obtained that are also powerful with CG12. In this way, the above two emission candidate groups are obtained in the first step S2, and set as the first emission candidate group set.
- the discharge candidate group is a group composed of a plurality of weighing hoppers 4 arranged in series, as described above, one adjustment unit group on the XI direction side combined with the basic group FG1 is
- the adjustment unit group CGI 1 adjacent to the basic group FG1 is limited to one adjustment unit group in the X2 direction, and is also limited to the adjustment unit group CG21 adjacent to the basic group FG1.
- basic group FG2 and adjustment unit group CG22 An emission candidate group consisting of CG12 is obtained.
- the above two emission candidate groups are obtained and set as the second emission candidate group set.
- the processing of the repeated steps S1 is performed by first obtaining all emission candidate group sets, and for each emission candidate group set, step S3 and step S4.
- all emission candidate group sets are stored in advance in the memory in the control unit 20, and step S3 and step S4 are performed for each emission candidate group set. You can do it!
- step S2 is the same as in the first embodiment except that the processing in step S2 is partially different from that in the first embodiment and the specific operation by the processing in step S6 is different.
- the discharge path is switched by the control unit 20 by controlling the motor 33 and rotating the collective funnels 7A and 7B.
- the adjustment unit group CG1 Rotate so that the collective funnel 7A is located at the outlet 31a below and the collective funnel 7B is located at the outlet 31b below the adjustment unit group CG2 (indicated by the solid line in Fig. 6 (b)) . If emission group A includes adjustment unit group CG2 and emission group B includes adjustment unit group CG1, collective funnel 7B is located at outlet 31a below adjustment unit group CG1, and adjustment unit group CG2 It is rotated so that the collecting funnel 7A is positioned at 3 lb below the delivery port (the state shown by the broken line in FIG.
- the collective funnels 7A and 7B are rotated so that the discharge ports 7a and 7b are also moved.
- the input ports of the packaging machines disposed below are widened according to the respective movement ranges.
- a small chute may be provided according to the force to be placed and the movement range of each discharge port 7a, 7b, and the object to be weighed that passes through each chute may be input to the input port of each packaging machine.
- FIG. 7 (a) is a schematic diagram of a cross section of the combination weigher according to the second configuration example of Embodiment 3 of the present invention viewed from the side force
- FIG. 7 (b) is a collective chute of the combination weigher.
- FIG. 3 is a schematic view of the assembly funnel and the like viewed from above.
- Figure (a) shows a cross section taken along line II in Figure 7 (b).
- FIG. 7 the same components as those in FIG.
- the configuration is such that the assembly funnels 7A and 7B are rotated by the motor 33.
- the configuration is the same as the configuration example of FIG. 6.
- a partition plate 31 is placed on the collection chute 6 as shown in FIG. Without being provided, a movable plate 34 that partitions the collective chute 6 is fixed to both sides of the partition plate 8 provided on the boundary of the collective funnels 7A and 7B.
- the partition plate 8 and the two movable plates 34 together with the collective funnels 7A and 7B rotate in a body-like manner.
- the shape such as the width of the movable plate 34 including the force reinforcing plate 35 and the partition plate 8 that fix each movable plate 34 to the motor shaft 32 by the reinforcing plate 35 may be appropriately changed. .
- control unit 20 in this configuration example are the same as those in the configuration example of FIG. Same as the case. As described above, the only difference in operation is that the two movable plates 34 rotate together with the collective funnels 7A and 7B.
- this embodiment reduces the number of emission candidate group sets required to select an emission group. Overall, it is possible to improve the weighing accuracy of the combination in each emission group.
- a plurality of adjustment unit groups may be provided between each of the basic groups.
- a plurality of adjustment unit groups arranged in succession may be provided.
- the weighing hopper 4 may be configured. It is also possible to have a configuration with three or more basic groups.
- the number of the weighing hono 4 included in each basic group is not necessarily the same. .
- Each discharge group force Depending on the target weight to be discharged, the number of weighing hoppers 4 included in each basic group (the number of measurement values to be combined) may be assigned.
- the basic group constituting the large target weight V ⁇ (small ⁇ ) discharge group may be configured so that the number of weighing hoppers 4 is allocated (small).
- the shape of the collective funnels 7A, 7B arranged corresponding to each basic group is changed according to the number of weighing hotspots in each basic group, and the movable plate 10, movable chutes 21, 21A, The mounting position of 21B, partition plate 31 and the like is also changed.
- the memory hopper 5 is provided obliquely below each weighing hopper 4. You may be allowed to participate in the combination.
- the weighing hopper 4 is configured to selectively discharge the objects to be weighed to the collecting chute 6 and the memory hopper 5.
- the memory hopper 5 is empty, the object to be weighed is fed from the weighing hopper 4.
- one adjustment unit group can be configured for each pair of weighing hoppers 4 and memory hoppers 5 corresponding to each other, and one or a plurality of pairs of weighing hoppers 4 and memory hoppers 5 arranged in succession are arranged.
- each emission group is required by the combination process by the control unit 20, and each A combination of hot hoppers in which the intermediate force of the weighing hoppers 4 and the memory hoppers 5 in the discharge group also has the optimum combined weight is required, and the objects to be weighed are discharged onto the collecting chute 6 from the hoppers corresponding to the combination.
- the weight of the measured item in the memory hopper 5 used in the combination calculation is the weight when weighed in the weighing hopper 4 above it.
- each basic group A to D can be equipped with three weighing hoppers 4 and three memory hoppers 5. Half the number of weight sensors 41 that are more expensive.
- each memory hopper 5 may be provided directly under the weighing hopper 4 and have two storage chambers 5a and 5b.
- the weighing hopper 4 is configured to selectively discharge the objects to be weighed to the storage chamber 5a and the storage chamber 5b of the memory hopper 5, and is not discharged from the weighing hopper 4 onto the collecting chute 6.
- the two storage chambers 5a and 5b of the memory hopper 5 are configured to discharge the objects to be weighed separately.
- one adjustment unit group can be composed of two storage chambers 5a, 5b of one memory hopper 5, or a plurality of storage chambers 5a, 5b of a plurality of memory hoppers 5 arranged in succession,
- the combination calculation is performed using, for example, the weight of the objects to be weighed in the storage chambers 5a and 5b of each memory hopper 5, and each of the storage chambers 5a and 5b takes part in the combination, and the weighing hopper 4 takes part in the combination. Don't hesitate.
- the weight when weighed in the weighing hopper 4 thereabove is used as the weight of the objects to be weighed in each of the storage chambers 5a and 5b.
- each weighing hopper 4 and one of the storage chambers 5a, 5b of the corresponding memory hopper 5 are selected at the same time is valid, and the weighing hopper 4 can also participate in the combination.
- the corresponding weighing hopper 4 and the storage chamber 5a of the memory hopper 5 are selected at the same time, the objects to be weighed in the weighing hopper 4 pass through the storage chamber 5a and are discharged onto the collecting chute 6.
- the weighing hopper 4 is also included in the adjustment unit group.
- each measuring hono 4 may have two measuring chambers 4a and 4b.
- the supply hopper 3 can selectively discharge the objects to be weighed into the weighing chamber 4a and the weighing chamber 4b of the weighing hopper 4, and the two weighing chambers 4a and 4b of the weighing hopper 4 are separately covered. It is a configuration that can discharge the weighing object.
- one adjustment unit group is 1 It can consist of two weighing chambers 4a, 4b of one weighing hopper 4 or a plurality of weighing chambers 4a, 4b arranged in series. This is done using the weight of the objects to be weighed in chambers 4a and 4b, and each weighing chamber 4a and 4b participates in the combination.
- each weighing hopper 4 having two weighing chambers 4a and 4b
- the weight of the weighing object in the weighing chamber 4a is the weight sensor. Weighed by 41. Further, when an object to be weighed is supplied to the other weighing chamber 4b, the total weight of the objects to be weighed in the two weighing chambers 4a and 4b is weighed by the weight sensor 41.
- the control unit 20 subtracts the weight of the objects to be weighed in the weighing chamber 4a from the total weight of the objects to be weighed in the two weighing chambers 4a and 4b. Calculate the weight of the sample and perform combination calculation.
- each weighing hono 4 has two weighing chambers 4a and 4b, and further, below each weighing hopper 4, there are two housings corresponding to the weighing chambers 4a and 4b of the weighing hopper 4.
- a memory hopper 5 having chambers 5a and 5b may be provided.
- the supply hopper 3 is configured to selectively discharge an object to be weighed into the weighing chamber 4a and the weighing chamber 4b of the weighing hopper 4.
- the objects to be weighed in the weighing chamber 4a of the weighing hopper 4 are sent to the storage chamber 5a of the memory hopper 5, and the objects to be weighed in the weighing chamber 4b of the weighing hopper 4 are sent to the storage chamber 5b of the memory hopper 5.
- one adjustment unit group can be composed of two storage chambers 5a, 5b of one memory hopper 5 or a plurality of storage chambers 5a, 5b of a plurality of memory hoppers 5 arranged in succession,
- the combination calculation is performed using, for example, the weight of the objects to be weighed in the storage chambers 5a and 5b of each memory hopper 5, and each of the storage chambers 5a and 5b participates in the combination, and the weighing hopper 4 does not participate in the combination.
- the weight measured and calculated in each of the weighing chambers 4a and 4b of the weighing hopper 4 thereabove is used as the weight of the objects to be weighed in each of the storage chambers 5a and 5b.
- each weighing chamber 4a, 4b of the weighing hopper 4 participate in the combination, with only the combination in which the weighing chambers 4a, 4b and the corresponding storage chambers 5a, 5b are simultaneously selected valid.
- the weighing chambers 4a and 4b of the weighing hopper 4 are also included in the adjustment unit group.
- the two storage chambers 5a and 5b of each memory hopper 5 are duplicated.
- the number of memory hoppers 5 arranged in the direction perpendicular to the direction in which the memory hoppers 5 are aligned (the circular radial direction in which the memory hoppers 5 are arranged) They may be arranged side by side in the arrangement direction.
- the two weighing chambers 4a and 4b of each weighing hopper 4 are arranged in a direction perpendicular to the arrangement direction of the plurality of weighing hoppers 4 (the circular diameter direction in which the weighing hoppers 4 are arranged). Forces placed side by side
- the two weighing chambers 4a, 4b may be arranged side by side in the direction in which the multiple measuring honos 4 are arranged!
- each weighing hopper 4 when each weighing hopper 4 is provided with two weighing chambers 4a and 4b and the weighing chambers 4a and 4b are allowed to participate in the combination, a plurality of weighing hoppers 4 are arranged in the arrangement direction as described above.
- each weighing chamber 4a and 4b can be a constituent unit of an adjustment unit group (one or more weighing chambers can be combined into one adjustment unit group). it can).
- each weighing hopper 4 has two weighing chambers 4a and 4b, and the two weighing chambers 4a and 4b are arranged side by side in the arrangement direction of the plurality of weighing horns 4 to form a basic group.
- Weighing chambers 4a and 4b of weighing hopper 4 other than FG1 and FG2 are set as adjustment unit groups CGI 1, CGI 2, CG21 and CG22, respectively. Therefore, the movable plate 10 can be moved for each weighing chamber (4a, 4b).
- the emission group A including the basic group FG1 and the emission group B including the basic group FG2 determined in step S5 ( Figure 3) of the combination process are the same as in the case of FIG. One of them is selected, and emission group A and B are determined as emission candidate groups in the selected set.
- each of the storage chambers 5a and 5b can be a constituent unit of the adjustment unit group (one or a plurality of storage chambers can be used). Can be one adjustment unit group). In this case, for example, in the configuration of FIG.
- the weighing hopper 4 is replaced with the memory hopper 5 and the weighing chambers 4a and 4b are replaced with the storage chambers 5a and 5b (the weighing hopper 4 in this case is located above the memory hopper 5). To be placed).
- the weighing chambers 4a and 4b also correspond to the storage chambers 5a and 5b. Arranged in the direction of hopper 4 alignment.
- the configuration of the first embodiment is used as the discharge path switching chute, the configuration of the second embodiment or the third embodiment may be used.
- the configuration of the third embodiment is used, the possible combinations of the emission groups A and B are limited as described above.
- the objects to be weighed which also discharge the collective funnels 7A and 7B, are put into two packaging machines arranged in correspondence with each other. You may comprise so that it may throw into a packaging machine.
- the configuration in this case is shown in FIG. Collecting hoppers 13A and 13B are provided at the discharge ports of the collecting funnels 7A and 7B, and below them, the weighing objects that also discharge the two collecting hoppers 13A and 13B are put into a single packaging machine (not shown).
- a lower chute 14 is provided. Even if the lower chute 14 is not provided, the lower chute 14 may not be provided if the objects to be weighed from the two collecting hoppers 13A and 13B can be put into one packaging machine.
- the control unit 20 sequentially selects one collective hopper (13A, 13B) each time a charging command signal from a packaging machine is input, for example, and opens the gate of the selected collective hobber to thereby remove the collective hobber from the collective hobber.
- the object to be weighed is discharged and put into the packaging machine.
- each time an input command signal is input from the packaging machine an object to be weighed with the optimum combined weight for each discharge group is discharged.
- the order of opening the gates of the collecting hoppers 13A and 13B may be determined in advance. In this way, by configuring it so that it can be loaded into one packaging machine, it can be discharged at twice the speed compared to loading into two packaging machines, making it compatible with packaging machines that operate at high speed. it can.
- the force provided with the dispersion feeder 1, the linear feeder 2 and the supply hopper 3 is not limited to these configurations, and the type of the object to be weighed (powder)
- a means for supplying an object to be weighed to the weighing hopper 4 may be provided depending on the granular material or the lump-like article.
- Embodiments 1 to 3 a combination weigher having a configuration in which weighing hoppers and the like are arranged in a circle has been described, but in the following Embodiments 4 to 6, weighing hoppers and the like are arranged in a straight line. A combination weigher! I will explain in a moment. (Embodiment 4)
- FIG. 14 (a) is a schematic diagram of the combination weigher of one configuration example of the fourth embodiment of the present invention in which the upward force is also viewed
- FIG. 14 (b) is a cross section in which the lateral force of the combination weigh is also viewed FIG.
- This combination weigher has a configuration in which a plurality of supply hoppers 3 and weighing hoppers 4 that are arranged correspondingly are arranged in a straight line, and the supply hopper 3 and the weighing hopper 4 are substantially rectangular parallelepiped base bodies.
- the drive unit (a supply hopper 3, a gate opening / closing device of the weighing hopper 4) and the like are accommodated in the base 50.
- each weighing hopper 4 is equipped with a weight sensor 41 such as a load cell for measuring the weight of an object to be weighed in the weighing hopper 4, and the weight sensor 41 is also housed in the base body 50 together with a drive unit. .
- the supply hopper 3 is not shown, but is arranged immediately above each weighing hopper 4.
- the upper surface of the base body 50 above the collecting chute 51 is opened, and the supply hopper 3 is arranged in the vicinity of the opening.
- the feeder force is also arranged in a straight line so that the object to be weighed is supplied to each supply hopper 3.
- An inverted square frustum-shaped collecting chute 51 is arranged below the weighing hopper 4, and below the collecting chute 51, the objects to be weighed that fall from the collecting chute 51 are collected and discharged from the discharge ports 52a and 52b.
- Two collective funnels 52A and 52B are provided.
- the collective funnels 52A and 52B are funnels having discharge ports 52a and 52b each having a square opening at the top and a circular opening force at the bottom.
- a movable plate 53 that partitions the inside of the collective chute 51 is provided.
- a fixed shaft 54 is provided on the upper boundary between the collective funnels 52A and 52B, and a movable plate 53 is rotatably attached to the fixed shaft 54 by a hinge or the like.
- the movable plate 53 is rotated around the fixed shaft 54 by the operation of the air cylinder 12 controlled by the control unit 70.
- the air cylinder 12 is fixed inside the base 50, and the piston rod of the air cylinder 12 can swing vertically with respect to the movable plate 53 at the connecting portion 55 between the piston rod of the air cylinder 12 and the movable plate 53.
- the connecting portion 55 is configured to be slidable in the vertical direction along the plate surface of the movable plate 53.
- the movable plate 53 is rotated about the fixed shaft 54 by the piston rod moving forward and backward.
- Fig. 14 (b) the position of the movable plate 53 when the piston rod is in the retracted position is indicated by a solid line, and the movable plate 53 is movable when in the forward position.
- the position of the plate 53 is indicated by a broken line.
- the position of the movable plate 53 determines whether the object to be weighed in the weighing hopper 4 of the adjustment unit group CG1 is discharged to the collecting funnel 52A or the collecting funnel 52B.
- the weighing hoppers 4 arranged in a straight line are grouped into a plurality of basic groups FG1, FG2 and an adjustment unit group CG1 between them.
- Basic group FG1 is a group of weighing hono 4 where discharged objects pass through collective funnel 52A
- basic group FG 2 is a group of weighing hopper 4 where discharged objects pass through collective funnel 52B. It is a group.
- Adjustment unit group CG1 is a group of weighing hono 4 in which discharged objects pass through collective funnel 52A or collective funnel 52B depending on the position of movable plate 53. When the movable plate 53 is at the position indicated by the solid line in Fig.
- the objects to be weighed discharged from the weighing hopper 4 of the adjustment unit group CG1 pass through the collecting funnel 52B and are indicated by the broken line. When in position, it passes through collective funnel 52A.
- the adjustment unit group CG1 can be configured to include a plurality of weighing hoppers 4 arranged in succession. For example, in the case where two weighing honos 4 are used as one adjustment unit group, the movable plate 53 is controlled so that it can be moved and stopped for each of the two weighing hoppers 4.
- the control unit 70 controls the overall operation of the combination weigher and performs the same combination processing as in the first embodiment.
- the adjustment unit group CG1 is combined with one of the basic groups FG1 and FG2 on both sides of the adjustment unit group CG1 to each of the weighing hoppers 4 including one basic group and arranged continuously.
- the measured value of the weighing hopper 4 belonging to that discharge group (the weight of the object in the weighing hopper 4 measured by the weight sensor 41)
- the combination of hot hoppers to be discharged is determined from the weighing hoppers 4 belonging to each discharge group.
- the emission group including the basic group FG1 (hereinafter referred to as emission group A)
- the discharge group including group FG2 (hereinafter referred to as discharge group B) is determined, and the movable plate 53 is moved to the boundary position between discharge group A and discharge group B.
- discharge group A consists of only basic group FG1
- discharge group B The basic group FG2 and the adjustment unit group CG1 are determined to be powerful.
- the objects to be weighed discharged from the weighing hopper 4 of the optimal combination of the discharge group A are collected in the collecting panel 52A, discharged from the discharge port 52a, and discharged from the weighing hopper 4 of the optimal combination of the discharge group B Objects are collected in the collecting funnel 52B and discharged from the outlet 52b.
- the combination weigher Two packaging machines (not shown) are arranged below the combination weigher, and the objects to be weighed discharged from the discharge port 52a of one collecting funnel 52A are fed into one packaging machine, and the other collecting funnel.
- the object to be weighed discharged from the outlet 52b of 52B is put into the other packaging machine.
- the collecting chute 51, the collecting funnels 52A and 52B, the movable plate and the like (53, 54, 12) constitute a discharge path switching chute.
- the operation of the combination weigher according to the present embodiment is shown in the flowchart of FIG.
- the switching of the discharge path by the process of step S6 in FIG. 3 is performed by the control unit 70 controlling the air cylinder 12 and rotating the movable plate 53.
- the force that causes the movable plate 53 to rotate by the air cylinder 12 is merely an example, and other configurations may be used.
- the fixed shaft 54 is replaced with a rotating shaft, the rotating shaft and the movable plate 53 are fixed, a bearing is provided at one end of the rotating shaft, and the other end of the rotating shaft is connected to a motor (
- the movable plate 53 can be operated in the same manner by connecting to the motor shaft of the stepping motor and rotating the rotating shaft with the motor.
- the configuration using the movable plate 10 in the first embodiment is applied to a combination weigher in which the weighing hopper 4 is linearly arranged, and the same as in the first embodiment. An effect is obtained.
- FIG. 15 (a) is a schematic view of a combination weigher of a configuration example of Embodiment 5 of the present invention viewed from above.
- FIG. 15 (b) is a schematic diagram of a cross section of the combination weigher when viewed from the side force. 15 that are the same as those in FIG. 14 are given the same reference numerals, and descriptions thereof are omitted.
- a main difference from the fourth embodiment is that a movable chute 56 is provided instead of the movable plate 53 in the fourth embodiment.
- the movable chute 56 is formed of, for example, a rectangular tube-shaped cylindrical member, and is provided in the collective chute 51 below the weighing hopper 4 of the adjustment unit group CG1, and the upper opening force adjustment unit group CG1 of the weighing hono 4 force discharge.
- the taken object is received and sent to the collecting funnels 52A and 52B from the opening (outlet) at the lower end.
- the movable chute 56 is rotated by, for example, the motor 23 so that the direction of the delivery port can be switched between the collecting funnel 52A side and the collecting funnel 52B side.
- one side of the movable chute 56 is connected to the motor shaft 57, and a mounting portion 58 for the collective chute 51 is provided on the other side of the movable chute 56 on the extension line of the motor shaft 57.
- the movable chute 56 is attached in a rotatable configuration.
- a short shaft may be provided on the other side of the movable chute 56 on the extension line of the motor shaft 57 so as to protrude toward the collective chute 51, and a bearing portion or a shaft hole for receiving the shaft may be provided in the collective chute 51. .
- FIG. 3 A flowchart showing the operation of the combination weigher of the present embodiment is shown in FIG. 3 which is the same as in the first, second and fourth embodiments.
- the difference in operation from the fourth embodiment is only a specific operation by the processing in step S6, and the other operations are the same as in the fourth embodiment. That is, since the movable chute 56 is provided instead of the movable plate 53 in the fourth embodiment, the control unit 70 controls the motor 23 to switch the discharge path in step S6 in the present embodiment. This is done by rotating 56.
- emission group A discharged to collective funnel 52A determined in step S5 includes adjusted unit group CG1 (if emission group B discharged to collective funnel 52B does not include adjusted unit group CG1)
- Adjustment unit group CG1 is moved so that the outlet of movable chute 56 below CG1 is turned to the assembly panel 52A side, and adjustment group group CG1 is not included in discharge group A (discharge group B includes adjustment unit group If CG1 is included), rotate the movable shout 56 so that it is directed toward the exit port ⁇ of the combined funnel 52B.
- the configuration using the movable chute 21 in the second embodiment is applied to a combination weigher in which the weighing hono 4 is linearly arranged, and the same effect as in the second embodiment is obtained. can get.
- FIG. 16 (a) is a schematic diagram of the combination weigher according to the first configuration example of Embodiment 6 of the present invention viewed from above, and FIG. 16 (b) is a side view of the combination weigher.
- FIG. 16 (c) is a schematic schematic diagram of a collective funnel of the same combination weigher viewed from a direction different from FIG. 16 (b) and a cross section in the vicinity thereof.
- the same components as those in FIG. 14 are denoted by the same reference numerals, and the description thereof is omitted.
- each adjustment unit group force is also formed in the exclusive passage path ⁇ joint chute 51 of the discharged object to be weighed.
- the partition plates 59a and 59b are fixedly provided in the joint chute 51, and the two collective funnels 52A and 52B are configured to be movable in the direction in which the weighing honn 4 is arranged (row direction).
- the collective funnels 52A and 52B are attached to the opposite side surfaces with roller bearings 60 so as to be movable on the rail 64, and the collective funnels 52A and 52B.
- a rack (linear tooth-shaped gear) 61 is attached to one side of the rack. Then, a spur gear 62 fitted with the rack 61 is attached to the shaft of the motor 63 fixed by a fixing means (not shown), and the spur gear 62 is rotated or reversely rotated by the motor 63 so that the rack 63 Together with 61, the collective funnels 52A and 52B move in the direction in which the measuring hono 4 is arranged.
- the motor 63 is controlled by the control unit 70.
- the combination processing by the control unit 70 in the present embodiment is the same as the combination processing by the control unit 20 in the third embodiment. Therefore, regardless of whether there are two basic groups or three or more basic groups as shown in Fig. 16, the number of adjustment unit groups arranged between each basic group is the same number (k).
- the process of step S2 is partially different. That is, when performing the process of step S2, the same number (m: m is 0) of the adjustment unit groups existing on the side of the first row direction in which the plurality of weighing hoppers 4 form a row in each basic group.
- each emission candidate group is obtained and The emission candidate group set.
- step S2 uses one value m (n), and each time it is repeated in iteration step S1, the value of m (n) is changed and all values from 0 to k are changed. If the value (integer value) is used for m, the iteration step S1 ends.
- each basic group FG1, FG2, and FG3 there are three basic groups FG1, FG2, and FG3. Between the basic groups FG1 and FG2, there are two adjustment unit groups CG1 and CG2, and between the basic groups FG2 and FG3. Suppose that there are two adjustment unit groups CG3 and CG4. In this case, three emission groups, each including a basic group, are determined, Each discharge group force Three collective funnels that receive discharged objects are arranged, and each packaging machine is arranged below each collective funnel.
- each group is arranged linearly in the order of F Gl, CG1, CG2, FG2, CG3, CG4, FG3, and the direction toward FG3 from the FG1 force is the Y1 direction in the first row direction,
- the opposite direction is the Y2 direction of the second column direction.
- the above three emission candidate groups are obtained and set as the first emission candidate group set.
- one adjustment unit group CG3 on the Y1 direction side is combined with basic group FG2
- one adjustment unit group CG2 on the Y2 direction side is combined, basic group FG2 and adjustment unit group are combined.
- An emission candidate group consisting of CG2 and CG3 is obtained.
- the basic group FG1 is Since there are no adjustment unit groups existing in the Y2 direction by combining the two adjustment unit groups CG1 and CG2 on the Yl direction side, an emission candidate group consisting of the basic group FG1 and the adjustment unit groups CG1 and CG2 is obtained. It is done.
- the two adjustment unit groups CG3 and CG4 on the Y1 direction side are combined with the basic group FG2 and 0 adjustment unit groups on the Y2 direction side are combined, the basic group FG2 and the adjustment unit group An emission candidate group consisting of CG 3 and CG4 is obtained.
- step S2 is the same as that of the fourth embodiment except that the processing is partially different from that of the fourth embodiment and the specific operation by the processing of step S6 is different.
- the specific operation by the process of step S6, that is, the switching of the discharge path in step S6 in the configuration shown in FIG. 16 of the present embodiment, is performed by the control unit 70 controlling the motor 63 to move the collective funnels 52A and 52B. Is done by letting When the emission group A discharged to the collective funnel 52A determined in step S5 includes the adjustment unit group CG1, the collective funnel 52A, the boundary between the collective funnels 52A and 52B is located directly below the partition plate 59a. 5 Move 2B (state shown in Fig. 16 (b)).
- the collective funnels 52A and 52B are moved so that the boundary between the collective funnels 52A and 52B is located immediately below the partition plate 59b. .
- the discharge ports 52a and 52b also move.
- the input ports of the packaging machines arranged below are widened. Or, install a small chute that matches the range of movement of each outlet 52a, 52b, and throw the objects to be weighed that passed through each chute into the inlet of each packaging machine.
- FIG. 17 (a) is a schematic diagram of the combination weigher according to the second configuration example of Embodiment 6 of the present invention viewed from above, and FIG. 17 (b) is a side view of the combination weigher.
- FIG. 17 (c) is a schematic diagram of a cross section in which force is also viewed, and FIG. 17 (c) shows a collective funnel of the same combination weigher viewed from a different direction from FIG. It is a schematic schematic diagram of the cross section of the vicinity.
- the same components as those in FIG. 16 are denoted by the same reference numerals, and the description thereof is omitted.
- the configuration in which the collective funnels 52A and 52B are moved by the motor 63 is the same as the configuration example of FIG.
- a movable plate 65 that divides the inside of the collective chute 51 is fixedly provided on the boundary of the collective funnels 52A and 52B.
- the movable plate 65 moves physically together with the collecting funnels 52A and 52B.
- control unit 70 in this configuration example are exactly the same as those in the configuration example of FIG.
- the movable plate 65 moves with the collective funnels 52A and 52B only in operation.
- the first configuration example of the present embodiment is a configuration in which the fixing plate 31 of the first configuration example in the third embodiment is provided to rotate the collective funnels 7A and 7B, and the weighing hopper 4 is linear.
- the second configuration example of the present embodiment is provided with the movable plate 35 of the second configuration example of the third embodiment and is rotated together with the collective funnels 7A and 7B. This configuration is applied to a combination weigher in which weighing hoppers 4 are arranged in a straight line. Therefore, in the present embodiment, the same effect as in the third embodiment can be obtained.
- the processing of repeated steps SI is performed first to obtain all emission candidate group sets.
- Step S3 and step S4 may be performed for each emission candidate group set, or all emission candidate group sets are stored in advance in the memory in the control unit 70, and each emission candidate is set.
- Step S3 and step S4 may be performed for the group set.
- a plurality of adjustment unit groups may be provided between the basic groups.
- one adjustment unit group may be configured to include a plurality of weighing hoppers 4 arranged in succession.
- a configuration having three or more basic groups may also be used.
- each group power is included in each basic group according to the target weight to be discharged.
- a configuration may be adopted in which the number of quantity hoppers 4 (the number of measurement values to be combined) is assigned.
- each weighing hopper 4 is provided with two weighing chambers 4a and 4b, and each weighing chamber 4a and 4b is joined to the combination.
- each measuring chamber 4a and 4b can be a constituent unit of an adjustment unit group.
- each of the storage chambers 5a and 5b can be a constituent unit of the adjustment unit group.
- a collecting hopper is provided at each of the discharge ports 52a and 52b of the collecting funnels 52A and 52B so as to be put into one packaging machine. Good.
- Embodiments 1 to 6 above when the hopper configuration shown in FIGS. 8 to 10 is used, depending on the combination of hoppers or chambers selected in the combination calculation, the hopper that cannot be the target of the next combination calculation Or a chamber is generated.
- the configuration of FIG. 8 when the weighing hopper 4 and the memory hopper 5 that are paired up and down are simultaneously selected as a combination and discharged, the weighing hopper 4 is removed from the supply hopper 3 at the time of the next combination calculation. Force to be weighed and subject to combination calculation Memory hopper 5 is empty, cannot participate in combination, and is not subject to combination calculation. If the weighing hopper 4 is not allowed to participate in the combination in the configuration shown in FIG.
- both the storage chambers 5a and 5b of the memory hopper 5 are selected as a combination at the same time, and the discharge process is performed.
- One storage chamber (for example, storage chamber 5a) is subject to combination calculation since the object to be weighed is input from the weighing hopper 4, but the other storage chamber 5b is empty and cannot participate in the combination. It is not subject to combinatorial operations.
- 4a is the combination calculation because the object to be weighed is supplied from the supply hopper 3.
- the other measuring chamber 4b is empty, cannot participate in the combination, and is not subject to the combination calculation.
- both storage chambers 5a and 5b of the memory hopper 5 are simultaneously selected as a combination and the discharge process is performed, at the time of the next yarn combination operation, Both weighing chambers 5a and 5b are loaded with objects to be weighed from both weighing chambers 4a and 4b of weighing hopper 4 and are subject to combinational calculation.
- one weighing chamber for example, weighing chamber 4a
- an object to be weighed is supplied from the supply hopper 3, but the other weighing chamber 4b is empty.
- the one storage chamber 5a further includes a weighing chamber 4a at the time of the next combination calculation. Since the object to be weighed is put in and the force to be subjected to the combination calculation, the storage chamber 5b corresponding to the above-mentioned empty measurement chamber 4b is empty, cannot participate in the combination, and is not subject to the combination calculation. This is because, in FIGS. 9 and 11, the two storage chambers 5a and 5b of each memory hopper 5 are arranged side by side in the direction in which the plurality of memory hoppers 5 are arranged. The same applies to the case where the two weighing chambers 4a and 4b of the weighing hono 4 are arranged side by side in the direction in which the plurality of weighing hono 4 are arranged.
- the discharge group in the combination process may be determined as follows. In this case, after the discharge process is performed, the target weight and the number of hoppers or rooms that will be the target in the next combination calculation (the number of measurement values scheduled to participate in the next combination calculation) Each emission group is determined on the basis of this, and then the emission route switching process is performed according to each of the determined emission groups until the combination calculation in the next combination process is completed. However, a combination operation in the next combination process may be performed.
- each discharge group it is only necessary to determine each discharge group so that the number of measurement values scheduled to participate in the next combination calculation is assigned according to the target weight to be discharged from each discharge group. .
- the target weight to be discharged is the same for each emission group, the emission group will have the same or approximately the same number of measurement values that can be participated in the next combination calculation in each emission group.
- This is all the emission candidate groups mentioned above. From the loop set, select one emission candidate group set that has the same or nearly the same number of metric values that are expected to participate in the next combination calculation in each emission candidate group, and configure that emission candidate group set.
- a plurality of emission candidate groups should be determined as emission duplication.
- the discharge process is performed immediately after the combination calculation is completed. Is possible. Therefore, in the above-described operation shown in FIG. 3, the time for switching the discharge route of the adjustment unit group after completion of the combination process can be omitted, and the discharge cycle can be shortened.
- control unit 20 in Embodiments 1 to 3 and the control unit 70 in Embodiments 4 to 6 are not necessarily configured with a single control device, and a plurality of control devices are distributed and arranged! Thus, they may be configured to work together to control the operation of the combination weigher.
- the combination weigher according to the present invention is useful as a combination weigher that puts an object to be weighed into a plurality of packaging machines or a packaging machine operated at high speed.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Sorting Of Articles (AREA)
- Chutes (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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CN2005800457355A CN101095035B (zh) | 2005-01-06 | 2005-12-27 | 组合秤 |
EP05822711.7A EP1845348B1 (en) | 2005-01-06 | 2005-12-27 | Combination weigher |
US11/813,422 US7538280B2 (en) | 2005-01-06 | 2005-12-27 | Combination weigher |
JP2006550790A JP4847345B2 (ja) | 2005-01-06 | 2005-12-27 | 組合せ秤 |
CA2592988A CA2592988C (en) | 2005-01-06 | 2005-12-27 | Combination weigher |
AU2005324317A AU2005324317B2 (en) | 2005-01-06 | 2005-12-27 | Combination weigher |
Applications Claiming Priority (2)
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JP2005001069 | 2005-01-06 | ||
JP2005-001069 | 2005-01-06 |
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WO2006073087A1 true WO2006073087A1 (ja) | 2006-07-13 |
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PCT/JP2005/023885 WO2006073087A1 (ja) | 2005-01-06 | 2005-12-27 | 組合せ秤 |
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US (1) | US7538280B2 (ja) |
EP (1) | EP1845348B1 (ja) |
JP (1) | JP4847345B2 (ja) |
CN (1) | CN101095035B (ja) |
AU (1) | AU2005324317B2 (ja) |
CA (1) | CA2592988C (ja) |
TW (1) | TWI273220B (ja) |
WO (1) | WO2006073087A1 (ja) |
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EP3882588A1 (en) | 2020-03-19 | 2021-09-22 | Ishida Co., Ltd. | Combination weighing apparatus |
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JP4880321B2 (ja) * | 2005-12-13 | 2012-02-22 | 勝三 川西 | 組合せ秤及びそれを用いた計量装置 |
WO2012056503A1 (ja) * | 2010-10-29 | 2012-05-03 | 大和製衡株式会社 | ホッパゲート開閉機構 |
EP2634546B1 (en) * | 2010-10-29 | 2019-05-08 | Yamato Scale Co., Ltd. | Combination scale |
JP2012141294A (ja) * | 2010-12-13 | 2012-07-26 | Ishida Co Ltd | 計量装置 |
JP5670581B2 (ja) * | 2011-10-27 | 2015-02-18 | 大和製衡株式会社 | 組合せ秤の被計量物集合排出装置及びこれを用いた組合せ秤 |
JP5819167B2 (ja) * | 2011-11-14 | 2015-11-18 | 大和製衡株式会社 | 組合せ秤 |
JP5714766B1 (ja) * | 2014-12-03 | 2015-05-07 | 大和製衡株式会社 | 組合せ秤 |
JP6537347B2 (ja) * | 2015-05-14 | 2019-07-03 | 大和製衡株式会社 | 組合せ秤 |
US11137280B2 (en) * | 2017-04-28 | 2021-10-05 | Shozo Kawanishi | Weighing apparatus including rough-charge weigher and combination weigher |
JP6723675B2 (ja) * | 2017-04-28 | 2020-07-15 | 川西 勝三 | 計量装置 |
WO2019012639A1 (ja) * | 2017-07-13 | 2019-01-17 | 大和製衡株式会社 | 組合せ計量装置 |
TWI653434B (zh) | 2017-08-25 | 2019-03-11 | 藍泓運 | 材料計量裝置及材料計量方法 |
US10723492B2 (en) * | 2017-09-21 | 2020-07-28 | Yamato Corporation | Depositor apparatus |
CN113353648B (zh) * | 2021-08-09 | 2021-11-02 | 北京建工资源循环利用投资有限公司 | 定量给料方法 |
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EP0269785A1 (en) | 1980-11-18 | 1988-06-08 | Kabushiki Kaisha Ishida Koki Seisakusho | Combinatorial weighing system |
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JP2563093B2 (ja) * | 1995-04-10 | 1996-12-11 | 株式会社イシダ | 組合せ計量装置における計量物の収集方法及び装置 |
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JPS60178320A (ja) * | 1984-02-24 | 1985-09-12 | Yamato Scale Co Ltd | 組合せ秤 |
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JPH0452657Y2 (ja) * | 1986-12-26 | 1992-12-10 | ||
JPS6412229U (ja) | 1987-07-07 | 1989-01-23 | ||
JP2574676B2 (ja) * | 1987-07-13 | 1997-01-22 | アンリツ株式会社 | 組合せ計量装置 |
JP3537772B2 (ja) * | 2001-01-19 | 2004-06-14 | 株式会社イシダ | 組合せ計量装置 |
US6825424B2 (en) * | 2001-12-13 | 2004-11-30 | Ishida Co., Ltd. | Combination weighing apparatus |
-
2005
- 2005-12-27 JP JP2006550790A patent/JP4847345B2/ja active Active
- 2005-12-27 EP EP05822711.7A patent/EP1845348B1/en active Active
- 2005-12-27 WO PCT/JP2005/023885 patent/WO2006073087A1/ja active Application Filing
- 2005-12-27 AU AU2005324317A patent/AU2005324317B2/en active Active
- 2005-12-27 CN CN2005800457355A patent/CN101095035B/zh active Active
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- 2005-12-27 TW TW094146677A patent/TWI273220B/zh active
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EP0269785A1 (en) | 1980-11-18 | 1988-06-08 | Kabushiki Kaisha Ishida Koki Seisakusho | Combinatorial weighing system |
JPH0361895B2 (ja) | 1984-01-25 | 1991-09-24 | Yamato Scale Co Ltd | |
JPS60161530A (ja) | 1984-02-01 | 1985-08-23 | Yamato Scale Co Ltd | 組合せ秤 |
JPH081395B2 (ja) * | 1985-10-17 | 1996-01-10 | 株式会社石田衡器製作所 | 組合せ計量装置における計量物の収集方法及び装置 |
EP0261406A2 (en) | 1986-08-25 | 1988-03-30 | Package Machinery Company | Combination weighing method and apparatus using multi-bin scales |
JPS6412229A (en) | 1987-07-03 | 1989-01-17 | Anritsu Corp | Combination weighing apparatus |
JPH04204330A (ja) | 1990-11-30 | 1992-07-24 | Nitto Seiko Co Ltd | 部品組合せ計数装置の部品組合せ計数方法および部品組合せ計量装置の部品組合せ計量方法 |
JP2563093B2 (ja) * | 1995-04-10 | 1996-12-11 | 株式会社イシダ | 組合せ計量装置における計量物の収集方法及び装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3882588A1 (en) | 2020-03-19 | 2021-09-22 | Ishida Co., Ltd. | Combination weighing apparatus |
Also Published As
Publication number | Publication date |
---|---|
CA2592988A1 (en) | 2006-07-13 |
EP1845348A4 (en) | 2011-02-09 |
TWI273220B (en) | 2007-02-11 |
AU2005324317B2 (en) | 2009-01-22 |
CA2592988C (en) | 2010-02-09 |
JPWO2006073087A1 (ja) | 2008-06-12 |
AU2005324317A1 (en) | 2006-07-13 |
US7538280B2 (en) | 2009-05-26 |
CN101095035B (zh) | 2010-08-04 |
CN101095035A (zh) | 2007-12-26 |
TW200639376A (en) | 2006-11-16 |
US20080093129A1 (en) | 2008-04-24 |
JP4847345B2 (ja) | 2011-12-28 |
EP1845348B1 (en) | 2018-10-31 |
EP1845348A1 (en) | 2007-10-17 |
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