JP6242086B2 - Combination scale - Google Patents

Description

  The present invention relates to a combination weigher, and more particularly, to a combination weigher including a vibration feeder that conveys an article to be weighed by vibration and an article receiving cover that receives an article spilled from the vibration feeder.

  In the combination weigher, for example, as shown in Patent Document 1, articles that are objects to be weighed supplied from above the center are dispersed and conveyed radially by a vibration-driven dispersion feeder, and are arranged around the dispersion feeder. Is transferred to the linear feeder and is further vibrated and conveyed outward by the linear feeder. A plurality of supply hoppers are disposed below the conveyance ends of the plurality of linear feeders, and weighing hoppers are respectively disposed below the supply hoppers.

  The articles conveyed by each linear feeder are respectively loaded into the corresponding supply hoppers, and then supplied from the supply hoppers to the corresponding weighing hoppers. The weights of the articles supplied to the respective weighing hoppers are measured, and the respective weighing hoppers are measured. Various combinations of the weight values of the articles supplied to the weighing hopper are selected, a weighing hopper whose combined total weight value is within a predetermined weight range and closest to the target combination weight value is selected, and an article is selected from the selected weighing hopper. The discharged and discharged articles slide down the collecting chute and are discharged from a discharge port provided at the lower part of the collecting chute.

  For example, as shown in Patent Document 2, a vibrator for a distributed feeder and a vibrator for a straight feeder are attached to the center base body of the main body portion of the combination weigher to which the article receiving cover of the invention of the present application is attached. There is a dust-proof and waterproof full-coverage cover that covers the substrate. The dust-proof and waterproof full-surface covering cover plays the role of dust-proof and waterproof, and among the articles conveyed from the dispersion feeder to the linear feeder side, the articles spilled without being put into the tray do not spill on the vibrator or the substrate. It also plays the role of

JP 2010-96651 A Utility Model Registration No. 2547769

  In the combination weigher configured as described above, if the article to be weighed is, for example, fine or easily crushed, a part of the article that is vibrated and transferred from the dispersion feeder to the linear feeder spills, and the dispersion feeder and the linear feeder are removed. In the center substrate that is supported, that is, in Patent Document 2, there is a case where it accumulates as a residue on the dust-proof / waterproof full covering cover.

  When weighing food with a combination weigher, cleaning is often performed from a hygienic point of view. In this case, residues spilled on the center substrate are also removed. In the center of the upper surface, the connection part between the top cone and the vibration mechanism in the distributed feeder is exposed and installed, and in the surrounding area, the connection part between the trough and the vibration mechanism in many linear feeders is exposed and installed. In addition, it takes time and effort to clean the residue accumulated around the connecting portion group.

  Further, in a large combination weigher, the diameter of the center base is increased, making it difficult to reach the vicinity of the center of the center base, making it more difficult to remove the residue accumulated near the center.

  The present invention has been made paying attention to such a situation, and an object of the present invention is to make it possible to easily clean and remove the residue deposited on the center substrate.

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

(1) In the present invention, a dispersion feeder is installed at the center upper part of the center substrate, and a linear feeder is arranged around the dispersion feeder at the upper part of the center substrate, and articles conveyed by the linear feeder are placed around the center substrate. A combination weigher in which a supply hopper that temporarily stores and a weighing hopper that receives an article discharged from the supply hopper and measures the weight thereof are arranged,
There is provided an article receiving cover that has an opening through which the top cone connecting portion of the vibrating mechanism in the dispersion feeder and the trough connecting portion of the vibrating mechanism in the linear feeder are inserted, and is detachably mounted on the upper surface of the center base body. ,
The upper surface of the center substrate is formed of a waterproof cover that exposes a top cone connecting portion of the vibration exciting mechanism in the dispersion feeder and a trough connecting portion of the vibration exciting mechanism in the linear feeder in a watertight state through a seal member, The cover is detachably mounted on the upper surface of the waterproof cover .

  According to the present invention, the article receiving cover is placed on the upper surface of the center base, and the top cone of the dispersion feeder, the trough of the linear feeder, the supply hopper, and the weighing hopper are removed from the center base during the cleaning operation. By removing and removing the article receiving cover placed on the upper surface of the center substrate, most of the article residue spilled on the center substrate can be removed, and the cleaning operation can be performed easily and quickly.

  Further, in a large machine having a large center substrate, the residue deposited near the center can be easily removed while being received by the article receiving cover without reaching the center of the center substrate.

According to the present invention , since only the article receiving cover is detached while the waterproof cover of the center base is attached, the top cone connecting portion of the vibration mechanism in the dispersion feeder, even during the cleaning operation with the article receiving cover removed, and In addition, the trough connecting portion of the vibration mechanism in the linear feeder can always be maintained in an appropriate watertight state, so that no debris or washing water of articles enters the main part of each vibration mechanism during the cleaning operation.

( 2 ) In another embodiment of the present invention, the article receiving cover has a wall portion at a peripheral portion thereof and a peripheral portion of the opening.

  According to this embodiment, the wall portion provided on the peripheral portion makes it easy to remove the article receiving cover from the center base body without dropping the article residue accumulated on the article receiving cover, and the article on the article receiving cover. It is effective for shortening the cleaning time without dropping the residue around.

( 3 ) In still another embodiment of the present invention, the article receiving cover is composed of a divided cover body divided into a plurality along the peripheral edge portion, and each of the divided cover bodies is an upper surface of the center base body. Is detachably mounted.

  According to this embodiment, in the large combination weigher, the article receiving cover also has a large diameter depending on the diameter of the center base, but the article receiving cover is divided into easy-to-handle divided cover bodies. The cover can be easily attached and detached.

( 4 ) In another embodiment of the present invention, the article receiving cover has a handle.

  According to this embodiment, it becomes easier to lift and remove the article receiving cover from the center base.

( 5 ) In still another embodiment of the present invention, the divided cover body has a handle.

  According to this embodiment, it becomes easier to lift and remove the divided cover body from the center base body.

( 6 ) In another embodiment of the present invention, a regulation member for regulating detachment of the article receiving cover from the center base is provided,
The restriction member is constituted by a first engagement portion and a second engagement portion that engages with the first engagement portion,
The first engagement portion is provided on one side of the article receiving cover and the center base,
The second engaging portion is provided on the other side of the article receiving cover and the center base.

  According to this embodiment, the article receiving cover can be stably held on the center base body by the restricting member even when the drive vibration of the dispersion feeder or the rectilinear feeder is transmitted to the article receiving cover.

  As described above, according to the present invention, it is possible to easily remove the residue deposited and spilled on the center substrate, and easily remove the residue deposited near the center of the center substrate even in a large machine having a large center substrate diameter. Can be removed.

It is the front view which cut through a part of combination weigher concerning one embodiment of the present invention vertically. FIG. 2 is a perspective view of a main part in a state where one trough of the linear feeder of FIG. 1 is removed and removed. It is a vertical front view for demonstrating the attachment of the trough of a linear feeder, and the top cone of a dispersion feeder. It is a disassembled perspective view which shows the attachment state of an article | item receiving cover. It is a vertical front view of the principal part with which the article receiving cover of other embodiment of this invention was mounted | worn. It is a perspective view which shows the goods receiving cover of other embodiment of this invention. It is a perspective view of the principal part with which the article | item receiving cover of other embodiment of this invention was mounted | worn.

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

FIG. 1 shows a front view of a part of a combination weigher 100 according to an embodiment of the present invention, and FIG. 2 shows a perspective view of the main part thereof.

  This combination weigher 100 is for weighing articles, which are objects to be weighed, such as confectionery, by a predetermined amount, and is installed on an upper floor F of a frame that is assembled and erected in a bowl shape that allows an operator to go up and down. At the same time, it is used in a packaging line in which weighed articles are put into a packaging machine installed downstairs and packed in a bag.

  At the center of the combination weigher 100, a polygonal column-shaped center base 1 is supported via a plurality of legs 3 on a base 2 having a hollow structure with a large central portion that is vertically opened and opened. Dispersion feeders 5 are provided on the upper portion of the apparatus to disperse the articles, which are the objects to be weighed and dropped from the end of the supply device 4, radially by vibration. Further, around the dispersion feeder 5, a large number of rectilinear feeders 6 are provided radially to convey the articles that are dispersed and transported outwardly by vibrations. A hopper 7 and a weighing hopper 8 are provided corresponding to each other, and a multi-unit (8 to 24 stations) weighing module including the linear feeder 6, the supply hopper 7 and the weighing hopper 8 as a series is provided in the center base body 1. It is deployed in a circle around.

  Below each weighing hopper 8 arranged in a circle, a collecting chute 9 for collecting articles discharged from a plurality of weighing hoppers 8 selected and combined so as to have a predetermined weight is provided. Below the chute 9, a funnel-shaped collective funnel 10 that collects articles slipped from the collective chute 9 is fixedly arranged, and further below that, the articles guided along the collective funnel 10 are once received and stored. A collective hopper 11 that is opened based on a discharge request command from the packaging machine is disposed.

  The dispersion feeder 5 includes a cone-shaped top cone 12 and an electromagnetic vibration mechanism 13 that vibrates and drives the cone. The vibration mechanism 13 is provided on a support frame 14 disposed inside the center base 1. Mounted and supported in the center. As shown in FIG. 3, the top cone 12 is provided on the top cone connecting portion 13 a provided at the upper end of the vibration mechanism 13 by swinging up and down the buckle type operation lever 15 provided below the top cone 12. 12 can be detached.

  The rectilinear feeder 6 includes a trough-shaped trough (feeder pan) 16 directed inward and outward and an electromagnetic vibration mechanism 17 that vibrates and drives the trough (feeder pan). The vibration mechanism 17 is dispersed in the support frame 14. It is mounted and supported so as to surround the vibration mechanism 13 of the feeder 5. The trough 16 can be attached to and detached from the trough connecting portion 17 a provided at the upper end of the vibration mechanism 17 by swinging up and down the buckle type operation lever 18 provided below the trough 16. ing.

  Although not shown in the drawing, drive units such as a supply hopper 7 and a gate opening / closing device for the weighing hopper 8 are accommodated in the center base 1, and each weighing hopper 8 has an object to be weighed in the weighing hopper 8. A weight sensor such as a load cell for measuring the weight of the battery is provided, and this weight sensor is also housed in the center substrate 1 together with the drive unit.

  As shown in the exploded perspective view of FIG. 4, the upper end of the center base 1 is covered with a feeder cover 21 as a waterproof cover, and in the top cone connecting portion 13 a of the vibration mechanism 13 in the dispersion feeder 5 and in the linear feeder 6. A trough connecting portion 17 a of the vibration mechanism 17 is exposed through the feeder cover 21. Seal members 22 and 23 having a large amount of displacement absorption, such as bellows or diaphragm, are attached to the penetrating portion of the top cone connecting portion 13a and the penetrating portion of the trough connecting portion 17a in the feeder cover 21 in order to achieve a watertight state. Thus, entry of foreign matter and cleaning water into the center base 1 is prevented while allowing vibration displacement of the top cone connecting portion 13a and the trough connecting portion 17a.

  Thus, the feeder cover 21 is provided so that the top cone connecting portion 13a and the trough connecting portion 17a are in a watertight state via the seal members 22 and 23, and thus cannot be easily detached.

  The combination weigher 100 according to this embodiment includes an article receiving cover 24 that is placed on the feeder cover 21 and receives a part of the article that leaks when being oscillated and conveyed from the dispersion feeder 5 to the rectilinear feeder 6. Since the article receiving cover 24 is merely placed on the feeder cover 21, it can be easily detached. The article receiving cover 24 of this embodiment is formed in a flat plate shape using a thin metal plate material such as stainless steel, and has a large-diameter opening 25 through which the top cone connecting portion 13a protruding from the feeder cover 21 is inserted, and a number of troughs. A small-diameter opening 26 is formed through the connecting portion 17a.

(Effect of embodiment)
The article receiving cover 24 of the present embodiment has the following effects.

  (1) The article receiving cover 24 has openings 25 and 26 through which the top cone connecting portion 13a of the vibrating mechanism in the dispersion feeder 5 and the trough connecting portion 17a of the vibrating mechanism in the rectilinear feeder 6 are inserted. It is detachably mounted on the upper surface of the substrate 1.

  For this reason, the article receiving cover 24 is placed on the upper surface of the center substrate 1, and the top cone 12 of the dispersion feeder 5, the trough 16 of the rectilinear feeder 6, the supply hopper 7, and the metering are performed during the cleaning operation. By removing the hopper 8 from the center substrate 1 and removing the article receiving cover 24 mounted on the upper surface of the center substrate 1, most of the article residue spilled on the center substrate 1 can be removed, and the cleaning operation can be performed easily and quickly. Can be done.

  Further, in a large machine having a large center base 1, the residue accumulated near the center can be easily removed while being received by the article receiving cover 24 without reaching the center of the center base 1. it can.

  (2) The upper surface of the center substrate 1 is a feeder that exposes the top cone connecting portion 13a of the vibrating mechanism in the dispersion feeder 5 and the trough connecting portion 17a of the vibrating mechanism in the rectilinear feeder 6 through the seal member 22 in a watertight state. The cover 21 (waterproof cover) is configured, and the article receiving cover 24 is placed on the feeder cover 21.

  For this reason, since only the article receiving cover 24 is detached while the feeder cover 21 of the center base 1 is attached, the top cone connection of the vibration mechanism in the dispersion feeder 5 is possible even during the cleaning operation with the article receiving cover 24 removed. The portion 13a and the trough connecting portion 17a of the vibration mechanism in the linear feeder 6 can always be maintained in an appropriate watertight state. Wash water does not enter.

(Other embodiments)
The present invention includes embodiments other than the above-described embodiment. Hereinafter, the modification of the said embodiment as other embodiment of this invention is shown. The following modifications can be combined with each other.

  (1) In the article receiving cover 24 of the above embodiment (FIG. 4), as shown in FIG. 7, the peripheral edge of the article receiving cover 24 and the peripheral edges of the openings 25 and 26 formed in the cover 24. Each may have a wall portion 24b for preventing spillage. Thereby, it becomes easy to remove the article receiving cover 24 from the center base body 1 without dropping the article residue accumulated on the article receiving cover 24, and the article residue on the article receiving cover 24 can be dropped around and stained. This is effective for shortening the cleaning work time.

  (2) In the article receiving cover 24 of the above embodiment (FIG. 4), as shown in FIG. 7, the article receiving cover 24 is divided into a plurality of, for example, two parts in the circumferential direction along the peripheral edge portion. The cover bodies 241 and 242 may be configured, and each of the divided cover bodies 241 and 242 may be detachably attached to the center base body 1. Thereby, in the large combination weigher, the article receiving cover 24 also becomes a large one having a large diameter according to the diameter of the center base 1, but by dividing the divided cover bodies 241 and 242 having a size easy to handle, The detachment operation of the article receiving cover 24 can be facilitated.

  (3) In the article receiving cover 24 of the above embodiment (FIG. 4), as shown in FIG. 6, a handle 27 may be provided. As a result, the operation of lifting and removing the article receiving cover 24 from the center base body 1 becomes easier.

  (4) In the article receiving cover 24 of the above embodiment (FIG. 4), as shown in FIG. 5, the outer periphery of the article receiving cover 24 may be formed with a turn 24 a that fits to the outer periphery of the feeder cover 21. . As a result, the article receiving cover 24 can be positioned and held in a state in which a space remains between the opening 25 and the top cone connecting portion 13a and between the opening 26 and the trough connecting portion 17a.

  (5) The article receiving cover 24 of the above embodiment (FIG. 4) is merely placed on the center base 1, but the center base is formed by a buckle metal fitting or the like as a regulating member for restricting the article receiving cover 24. 1 may be firmly fixed.

  For example, a buckle fitting is provided on the center base 1 side, a hook portion for engaging the buckle fitting is provided on the article receiving cover 24 side, and the hook of the article receiving cover 24 placed on the center base 1 is placed on the center base 1 side. The buckle fitting may be engaged to restrict the removal of the article receiving cover 24 from the center base body 1.

  In this case, the buckling metal fitting and the hook portion as the first and second engaging portions constitute a restricting member that restricts the article receiving cover 24 from being detached from the center base body 1, and the buckle metal fitting as the first engaging portion is formed. The hook portion as the second engaging portion may be provided on either one of the center base 1 and the article receiving cover 24 on the other side.

  Thereby, even when the driving vibration of the dispersion feeder 5 and the linear feeder 6 is transmitted to the article receiving cover 24, the article receiving cover 24 can be stably held on the feeder cover 21 of the center base 1.

  (6) Since the article receiving cover 24 of the above embodiment (FIG. 4) is formed of a thin metal plate material such as stainless steel, it can be washed and used repeatedly, but the article receiving cover 24 is made of paper or the like. May be made inexpensively and disposable.

DESCRIPTION OF SYMBOLS 1 Center base | substrate 5 Dispersion feeder 6 Straight advance feeder 7 Supply hopper 8 Weighing hopper 12 Top cone 13 Excitation mechanism 13a Top cone connection part 16 Trough 17 Excitation mechanism 17a Trough connection part 21 Feeder cover (waterproof cover)
22 sealing member 23 sealing member 24 article receiving cover 241, 242 divided cover body 24b wall 25 opening 26 opening 27 handle

Claims (6)

A supply hopper that installs a dispersion feeder at the center upper portion of the center base body, arranges a rectilinear feeder surrounding the dispersion feeder at the upper portion of the center base body, and temporarily stores articles conveyed by the rectilinear feeder around the center base body, A combination weigher in which a weighing hopper for receiving an article discharged from a supply hopper and measuring its weight is disposed;
There is provided an article receiving cover that has an opening through which the top cone connecting portion of the vibrating mechanism in the dispersion feeder and the trough connecting portion of the vibrating mechanism in the linear feeder are inserted, and is detachably mounted on the upper surface of the center base body. ,
The upper surface of the center base is configured with a waterproof cover that exposes the top cone connecting portion of the vibrating mechanism in the dispersion feeder and the trough connecting portion of the vibrating mechanism in the linear feeder in a watertight state via a seal member,
The article receiving cover is detachably mounted on an upper surface of the waterproof cover.
A combination weigher characterized by that. The article receiving cover has a wall portion at a peripheral edge portion thereof and a peripheral edge portion of the opening.
The combination weigher according to claim 1. The article receiving cover is composed of a divided cover body divided into a plurality along the peripheral edge portion thereof,
Each of the divided cover bodies is detachably mounted on the upper surface of the center base body.
The combination weigher according to claim 1 or 2. The article receiving cover has a handle.
The combination weigher according to claim 1 or 2 . The divided cover body has a handle;
The combination weigher according to claim 3 . Comprising a regulating member for regulating detachment of the article receiving cover with respect to the center base body,
The restriction member is constituted by a first engagement portion and a second engagement portion that engages with the first engagement portion,
The first engagement portion is provided on one side of the article receiving cover and the center base,
The second engagement portion is provided on the other side of the article receiving cover and the center base body,
The combination weigher according to any one of claims 1 to 5 .

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