JP3200044U - Hopper and combination scale equipped with the same - Google Patents

Abstract

The present invention relates to a hopper that stores and discharges an object to be weighed and a combination weigher including the hopper, and provides a hopper and a combination weigher that do not require replacement of the entire hopper and reduce maintenance management costs. A connecting shaft 37 for connecting a pair of support portions 33c and 33d extending so as to face each other from a hopper main body 31 is engaged with a receiving portion provided on a driving portion side for opening and closing a gate 32. A hopper to be supported, and a connecting shaft 37 is detachably attached to the pair of support portions 33c and 33d. When the connecting shaft 37 is worn, only the connecting shaft 37 is replaced. [Selection] Figure 7

Description

  The present invention relates to a hopper that stores and discharges an object to be weighed, and a combination weigher provided with the hopper.

  In general, a combination weigher is configured to distribute and convey the objects to be weighed radially by a dispersion feeder, and the conveyed objects to be weighed linearly outward by a plurality of linear feeders arranged around the dispersion feeder. And supply to a plurality of supply hoppers facing the end of conveyance of each linear feeder. Each supply hopper temporarily stores the objects to be weighed, opens the gate and supplies it to a plurality of weighing hoppers located below the gate, and various combinations of the weights of the objects weighed by the plurality of weighing hoppers A combination calculation is performed to select a combination of weighing hoppers whose weight falls within a predetermined weight range. The gate of the weighing hopper selected by this combination calculation is opened, and the object to be weighed is discharged to a lower packaging device or the like via a collecting chute or the like.

  In combination weighers that process food, regular cleaning operations are indispensable for food hygiene. In addition, a cleaning operation is required every time the type of food is changed. Therefore, in a combination weigher, it is desirable that hoppers be easily removed from the combination weigher body and cleaned.

  Therefore, for example, as shown in FIGS. 3 and 4 of Patent Document 1, two shafts 15 and 16 are connected between a pair of brackets 14a extending from the hopper body 13, and both the shafts are connected. 15 and 16 are engaged and supported by the hopper mounting member 26 on the combination weigher body side, so that the hopper can be easily attached to and detached from the hopper mounting member 26 on the combination weigher body side.

Japanese Utility Model Publication No.59-54826

  The pair of shafts 15 and 16 described above are members for engagement with the hopper mounting member 26 and also function as stays for connecting the pair of brackets 14 to ensure the rigidity of the brackets 14. The shafts 15 and 16 are fixed by welding.

  Since the weight of the hopper itself and the weight of the object to be weighed stored in the hopper act as load loads at the engagement position between the hopper mounting member 26 and the shafts 15 and 16, they are engaged by vibration accompanying the gate opening / closing operation. A minute rubbing occurs at the location, and this rubbing causes local wear on the shaft. In particular, when the metering speed is high and the gate is opened and closed at a high speed, the tendency becomes remarkable. When wear increases, the hopper posture and position change, which adversely affects weighing accuracy, and the relative positional relationship between the gate opening / closing link mechanism provided on the hopper and the driving mechanism on the combination weigher body changes. In addition, the gate opening / closing operation may be hindered.

  In order to avoid such a situation, it is necessary to replace the entire hopper with a new one before the wear of the shaft welded and fixed to the bracket of the hopper body becomes large, and the maintenance management cost becomes high.

  The present invention has been made paying attention to such a situation, and an object thereof is to eliminate the need to replace the entire hopper and to reduce maintenance management costs.

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

  (1) A hopper according to the present invention includes a hopper body that is open at the top and bottom, a gate that opens and closes a lower opening of the hopper body, and a pair of support portions that are extended to face the hopper body. And a hopper that engages and supports a connecting shaft that connects the pair of support portions with a receiving portion that is provided on a drive portion side that opens and closes the gate, and the connection shaft is connected to the pair of support portions. Is detachably attached.

  According to the hopper according to the present invention, the connecting shaft that is engaged and supported by the receiving portion provided on the drive portion side is detachably attached to the pair of support portions extended from the hopper body. When local wear occurs on the connecting shaft due to vibrations associated with the opening and closing operation of the gate, the connecting shaft can be removed from the pair of support parts and replaced with a new connecting shaft while the wear is small. Thus, it is not necessary to replace the entire hopper as described above, thereby reducing the maintenance management cost.

  (2) In a preferred embodiment of the present invention, the length of the connecting shaft is the same as the distance between the pair of opposing support parts, and each screw member inserted from the outside of each support part is connected The connecting shaft is attached to the support portion by being screwed into screw holes formed at both ends of the shaft.

  According to this embodiment, both ends of the connecting shaft in which the screw holes are formed are firmly connected to each of the pair of support portions by screw members such as bolts, and the connecting shaft is provided on the drive portion side. In addition to being a member that is engaged with and supported by the receiving portion, it also functions as a reinforcing member that connects the pair of support portions to prevent bending deformation of the support portions.

  (3) A hopper according to the present invention has a hopper body that is open at the top and bottom, a gate that opens and closes a lower opening of the hopper body, and a pair of support portions that are extended to face the hopper body. And a hopper that engages and supports a connecting shaft that connects the pair of support portions with a receiving portion provided on a drive portion side that opens and closes the gate, and engages with the receiving portion of the connecting shaft. A collar is detachably attached to the portion to be detached from the outer periphery.

  According to the hopper according to the present invention, since the collar is detachably attached to the portion that engages with the receiving portion of the connecting shaft, the wear caused by the vibration associated with the opening and closing operation of the gate occurs only in the collar. Thus, while the wear is small, it is only necessary to replace the collar, which is an inexpensive and light member, and it is not necessary to replace the entire hopper as in the prior art, which is effective in reducing maintenance management costs.

  (4) In a preferred embodiment of the present invention, the collar has an arc shape that can be deformed to expand in diameter, and the collar is fitted and attached from an outer periphery to an annular groove formed on the outer periphery of the connecting shaft.

  According to this embodiment, the worn collar can be removed and a new collar can be easily and quickly attached, and the maintenance time can be shortened.

  (5) In the embodiment of the above (4), the outer diameter of the collar mounted in the annular groove may be the same as the outer diameter of the portion of the connecting shaft where the annular groove is not formed.

  According to this embodiment, since the outer diameter of the collar mounted in the annular groove is the same as the outer diameter of the connecting shaft, it is not necessary to change the specification of the receiving part provided on the drive part side.

  (6) In the embodiment of the above (3), the collar is a split collar composed of a pair of halved members, and the halved members externally fitted to the connecting shaft from the outer periphery are tightened with connecting screws. It may be attached and attached.

  According to this embodiment, the divided collar is firmly fixed to the connecting shaft, and the divided collar is not rotated by vibration or the like.

(7) A combination weigher according to the present invention is provided with a plurality of combination hoppers for temporarily holding and discharging supplied objects to be weighed, and arranged under the plurality of combination hoppers, and selected by combination calculation. A combination weigher comprising a set hopper that collects and puts the objects to be discharged from the combination hopper, stores the input objects to be weighed, and discharges the objects to the lower side.
The collecting hopper is the hopper according to any one of (1) to (6).

  In the collective hopper, the weight of the object to be weighed in combination with the hopper weight acts as a large load on the engagement portion between the connecting shaft and the receiving portion, and the collective hopper is compared with other hoppers. The frequency of opening and closing operations is high. Therefore, the connecting shaft engaged and supported by the receiving portion is likely to be locally worn. However, according to the combination weigher of the present invention, the connecting shaft itself or the connecting shaft can be used with little wear. It is only necessary to replace the collar mounted on the, and it is not necessary to replace the entire hopper as in the conventional case, so that the maintenance management cost can be reduced.

  Thus, according to the present invention, even if wear occurs, it is not necessary to replace the entire hopper, and the maintenance management cost can be reduced.

FIG. 1 is a longitudinal front view showing a schematic configuration of a combination weigher according to an embodiment of the present invention. FIG. 2 is a perspective view of the combination weigher of FIG. FIG. 3 is a perspective view showing an assembled state of the collecting hopper. FIG. 4 is a plan view showing an assembled state of the collecting hopper. FIG. 5 is a partially cutaway side view showing the assembled hopper attached. FIG. 6 is a perspective view showing a state where the collecting hopper is detached. FIG. 7 is a perspective view showing the attachment structure of the connecting shaft in the collecting hopper. FIG. 8 is a partially cutaway front view showing the main part of FIG. FIG. 9 is a perspective view showing a collective hopper according to another embodiment. FIG. 10 is a partially cutaway front view showing the main part of FIG. FIG. 11 is a perspective view showing a collective hopper according to another embodiment. FIG. 12 is a partially cutaway front view showing the main part of FIG.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a longitudinal front view showing a schematic configuration of a combination weigher according to an embodiment of the present invention, and FIG. 2 is a perspective view of the combination weigher of FIG.

  The combination weigher of this embodiment is used for a packaging line or the like that weighs a predetermined amount of items to be weighed such as confectionery and other foods, puts them in a packaging device (not shown), and packs them in a bag.

  In the center of the combination weigher, as shown in FIG. 1, a center base body 1 formed in a hollow column shape is placed on a rectangular base 2 having a large central portion and opened vertically through a plurality of legs 3. The base 2 is supported and installed on the floor surface F.

  Disposed on the upper portion of the center substrate 1 is a dispersion feeder 5 that disperses the objects to be weighed and dropped from the end of the supply device 4 radially by vibration. Around the dispersion feeder 5, a plurality of linear feeders 6 that radially convey the object to be weighed and conveyed outwardly by vibration are provided. Further, a supply hopper 7 that temporarily stores and discharges the objects to be weighed from the respective linear feeders 6 on the outer peripheral portion of the center base body 1, and stores the objects to be weighed discharged from the supply hopper 7 to measure the weight. Weighing hoppers 8 are respectively provided. The weighing, weighing, and discharging of the objects to be weighed are performed by a series of weighing modules including the linear feeder 6, the supply hopper 7, and the weighing hopper 8.

  Each weighing hopper 8 is provided with a pair of inner and outer discharge gates 8a and 8b which can be individually discharged, so that the weighed objects can be selected and discharged inward or outward. It has become. In this embodiment, a combination calculation is performed to select a combination of weighing hoppers 8 to discharge the objects to be weighed. Specifically, the weights of the objects to be weighed of the weighing hoppers 8 that are the combination hoppers are variously combined, and the combined weight that is the total weight is equal to the target combination weight or the predetermined weight closest to the target combination weight A combination of the weighing hoppers 8 as a range is selected, and the objects to be weighed in the weighing hoppers 8 selected for the combination are alternately discharged inward or outward. The objects to be weighed discharged inward or outward from the weighing hopper 8 are gathered and guided toward the lower center of the combination weigher 1 by the gathering chutes 10a and 10b arranged in an inner and outer double.

  Further, below the collective chutes 10a and 10b, two collective funnels 11A and 11B for collecting the objects to be weighed from the collective chutes 10A and 10B are arranged, and collected at the lower ends of the collective funnels 11A and 11B. A pair of collective hoppers 12A and 12B are arranged that temporarily receive and store the received objects to be weighed and perform a discharge operation based on a discharge request command from the packaging device side.

  A charging funnel 15 is provided below the discharge port in the supply device 4, and a scattering prevention member 16 in which a soft resin sheet with a slit is formed in a tubular shape is suspended from the discharge portion. As shown in FIG. 2, the input funnel 15 is connected and supported by a support frame 18 fixedly arranged above the dispersion feeder 5 via a support column 17 erected from the center base 1.

  As shown in FIG. 1, the dispersion feeder 5 includes a conical dispersion tray 19 and an electromagnetic vibration mechanism 20 that vibrates and drives the tray. The vibration mechanism 20 is installed at the center of a frame plate 21 provided inside the center base body 1. The vibration mechanism 20 is supported on the frame plate 21 via the weight sensor 22, and the weight of the object to be weighed on the dispersion feeder 5 is detected by the weight sensor 22. The detected information is given to a control device (not shown), and the control device controls on / off of the supply device 4 based on the detected information, so that the weight to be weighed within the set range is always measured on the dispersion feeder 5. Goods are being supplied.

  The linear feeder 6 includes a bowl-shaped transport trough (feeder pan) 23 directed inward and outward, and an electromagnetic vibration mechanism 24 that vibrates this. The vibration mechanism 24 is disposed on the frame plate 21 so as to surround the vibration mechanism 20 of the dispersion feeder 5.

  On the outer periphery of the center base body 1, a motor for opening and closing the supply hopper 7 and the weighing hopper 8 (not shown), a weight sensor (not shown) for measuring the weight of an object to be weighed in the weighing hopper 8, etc. Is mounted, and the supply hopper 7 and the weighing hopper 8 are detachably mounted and supported by a hook method at an outwardly exposed portion of the drive unit 25. A drive unit 27 incorporating a gate and a motor for opening and closing is mounted on a support frame 26 extending downward from the base 2, and a pair of collective hoppers 12 </ b> A and 12 </ b> B is attached to and detached from the drive unit 27. Engagement support is possible.

  Next, a description will be given of a mounting structure in which the collecting hoppers 12A and 12B are arranged on the drive unit 27 and are detachably engaged.

  3 is a perspective view showing the mounting state of the collecting hoppers 12A and 12B, FIG. 4 is a plan view showing the mounting state of the collecting hoppers 12A and 12B, and FIG. 5 is a partially cut view showing the mounting state of the collecting hopper 12A. FIG. 6 is a perspective view showing a removed state of the collecting hopper 12A. Hereinafter, for convenience of explanation, the parallel direction of the collective hoppers 12A and 12B is referred to as the left-right direction, and the direction orthogonal to the horizontal direction is referred to as the front-rear direction.

  Both the collection hoppers 12A and 12B are configured symmetrically, and both the collection hoppers 12A and 12B are a gate that swings and opens a cylindrical hopper body 31 that is open at the top and bottom and a lower opening of the hopper body 31. 32. Support frames 33a, 33b, 33c, and 33d made of thick plates are welded and fixed to the four circumferences of the hopper body 31 so as to surround the hopper body 31 from the front and rear and from the left and right.

  A gate 32 is pivotally supported by the front and rear support frames 33a and 33b so as to be swingable around a fulcrum a in the front-rear direction.

  As shown in the perspective view of FIG. 7, the rear support frame 33 b includes an operation arm 35 that is pivotally supported by the support frame 33 b around a fulcrum b, and the operation arm 35 and the gate 32. A link mechanism 34 for opening and closing the gate is provided. By rotating the operation arm 35 of the link mechanism 34 forward and backward, the gate 32 is swingably opened and closed.

  Referring to FIGS. 3 to 6 again, the left and right support frames 33c and 33d as a pair of opposing support portions extend in an inverted L shape rearward and downward, and above and below the extension portion. A connecting shaft 37 that connects the left and right support frames 33c and 33d is connected to two places.

  On the other hand, on the front surface of the drive unit 27 that engages and supports the collecting hoppers 12A and 12B, a connecting frame 38 for supporting the collecting hopper is attached in parallel on the left and right.

  The connecting frame 38 is configured by bending a thick plate material into a forward U-shape in plan view, and the support frame 33c, on the upper and lower sides of a pair of side portions 38a extending forward from the left and right. Receiving portions 39a and 39b for the upper and lower connecting shafts 37 connected to 33d are formed.

  As shown in FIG. 5, the upper receiving portion 39a is formed as an upward stepped portion on which the upper connecting shaft 37 is placed and abutted and supported from the rear, and the lower receiving portion 39b is formed as a lower portion. The connecting shaft 37 is formed as a downward step portion that abuts and supports the connecting shaft 37 from behind.

  A support shaft 41 is pivotally supported by the upper portions of the left and right side portions 38a of the connecting frame 38 so as to be rotatable. A pair of left and right lock arms 42 facing forward are fixed to the support shaft 41, and a torsion spring 43 that rotationally biases the lock arm 42 downward is externally attached to the support shaft 41.

  The lock arm 42 is biased and engaged with the connecting shaft 37 engaged and supported by the upper receiving portion 39a from above, and prevents the connecting shaft 37 from being detached from the receiving portion 39a. A release lever 44 is fixed to one outer end of the support shaft 41, and the lock arm 42 is turned by rotating the support shaft 41 by lifting the release lever 44 upward. It can be turned upward (in the unlocking direction) against the force.

  In addition, the outer width of the left and right side portions 38a of the connecting frame 38 is set to a dimension corresponding to the inner width of the left and right support frames 33c and 33d, and inward from the upper and lower portions of the left and right side portions 38a. The guide pieces 38b, 38c which are inclined in the direction are extended obliquely forward. Therefore, when the removed collecting hoppers 12A and 12B are brought close to the connection frame 38 from the front and the upper connection shaft 37 is pushed forward with the guide piece 38b of the connection frame 38 mounted thereon, the left and right support frames 33c, 33d is guided by the guide pieces 38b and 38c and guided to the outside of the left and right side portions 38a of the connecting frame 38. At this time, the tip inclined portion of the lock arm 42 in the free posture is in the moving path of the upper connecting shaft 37, and the lock arm 42 resists the rotational biasing force by contact with the connecting shaft 37 moving rearward. Then it is pushed up and turned.

  The left and right support frames 33c and 33d are fitted so as to embrace the left and right side portions 38a of the connecting frame 38 from the outside, and the upper and lower connecting shafts 37 are respectively connected to the upper and lower receiving portions 39a and 39b. When correctly received and engaged, the lock arm 42 is rotated downward by the rotation biasing force, and a locked state in which the lock arm 42 is engaged with the upper connecting shaft 37 is brought about. That is, the self-lock is applied with the engagement of the hopper.

  As shown in FIG. 6, a drive arm 45 linked to a motor built in the drive unit 27 is provided at the front portion of the connecting frame 38 so as to be able to rotate forward and backward about a longitudinal axis c. Has been. When the collecting hoppers 12A and 12B are engaged with the connecting frame 38 from the front as described above, the engaging recess 35a of the operation arm 35 in the gate closed state shown in FIG. The free end roller 45 a of the drive arm 45 is engaged, and the operation arm 35 is linked to the drive arm 45.

  When removing the collecting hoppers 12 </ b> A and 12 </ b> B from the connection frame 38, the release lever 44 is rotated upward to forcibly rotate the lock arm 42 against the rotational biasing force to lock the connection shaft 37. The collective hoppers 12A and 12Bb can be pulled out forward and removed from the connecting frame 38 while maintaining the state where the release is maintained.

  In a state where the collective hoppers 12A and 12B are engaged and supported by the connecting frame 38 of the driving unit 27 on the driving unit side, the weight of the hopper and the weight of the object to be weighed are the upper connecting shaft 37 and the receiving portion. 39a acts as a load load, and downward hopper turning power around the upper connecting shaft 37 acts as a load load on the lower connecting shaft 37 and the receiving portion 39b. As described above, when the operation is performed in a state in which a load is applied, vibrations generated during the gate opening / closing operation cause fine rubbing at the contact portion between the connecting shaft 37 and the receiving portions 39a and 39b. Local wear occurs.

  The present embodiment is configured as follows so that only the connecting shaft 37 in which wear has occurred can be replaced.

  That is, as shown in FIGS. 7 and 8, the length of the connecting shaft 37 is the same as the inner width of the left and right support frames 33 c and 33 d, and screw holes 37 a are formed at both ends of the connecting shaft 37. Through holes 46 smaller in diameter than the connecting shaft 37 are formed in the support frames 33c and 33d, and bolts 47 as screw members inserted into the through holes 46 from the outside are screwed into both ends of the connecting shaft 37 and tightened. Thus, the support frames 33 c and 33 d can be connected by the connecting shaft 37. In this case, the connecting shaft 37 is a connecting member for mounting the hopper, and also functions as a stay that firmly connects the support frames 33c and 33d to ensure the rigidity.

  When the outer peripheral portion near the end of the connecting shaft 37 is worn to some extent by rubbing with the receiving portions 39a and 39b, the bolt 47 is removed and replaced with a new connecting shaft 37.

  In the collective hoppers 12A and 12B, the weight of the object to be weighed in combination with the hopper weight acts as a large load load at the engagement portion between the connecting shaft 37 and the receiving portions 39a and 39b, and the collective hoppers 12A and 12B 12B has a higher frequency of opening and closing operations than the supply hopper 7 and the like. Therefore, local wear is likely to occur on the connecting shaft 37 engaged and supported by the receiving portions 39a and 39b.

  According to the present embodiment, the connection shaft 37 that has been worn out by removing the bolt 47 is replaced with a new connection shaft 37 while the wear is low. As a result, it is not necessary to replace the entire hopper with a new one as in the prior art, and maintenance management costs can be reduced.

[Other Embodiments]
The present invention can also be implemented in the following forms.

  (1) As shown in FIGS. 9 and 10, an annular groove 37b is formed at an engagement position of the connecting shaft 37 welded and fixed over the left and right support frames 33c and 33d with respect to the receiving portions 39a and 39b, and is expanded. It is also possible to implement the collar 50 made of stainless steel or the like having an arc shape capable of diameter, specifically, a larger arc shape than a semicircle, and press-fitted into the annular groove 37b from the outer periphery. According to this, it is only necessary to replace the collar 50 worn by friction with the receiving portions 39a and 39b.

  In this case, the outer diameter of the collar 50 is made to coincide with the outer diameter of the connecting shaft 37, and the receiving portions 39a and 39b in the connecting frame 38 may be the same as the specification in which the connecting shaft 33 is directly engaged and supported. .

  (2) As shown in FIGS. 11 and 12, a pair of halved members 51a and 51b are provided at the engagement positions of the connecting shaft 37 welded and fixed over the left and right support frames 33c and 33d with respect to the receiving portions 39a and 39b. The split collar 51 is split and attached from the outer periphery, and the half-split members 51a and 51b are fastened together with the connecting screw 52, and the split collar 51 is fastened and fixed to the connecting shaft 37. You can also. In this case as well, it is only necessary to replace the divided collar 51 worn by friction with the receiving portions 39a, 39b.

  However, in the case of this embodiment, the engaging portions with respect to the receiving portions 39a and 39b have a large diameter, and accordingly, the specifications of the receiving portions 39a and 39b need to be changed accordingly.

  (3) Although the collective hoppers 12 </ b> A and 12 </ b> B have been described in the above embodiment, the present invention can also be applied to the supply hopper 7 and the weighing hopper 8. Further, in the case where a memory hopper is provided as a combination hopper that is disposed below the weighing hopper 8 and stores and discharges an object to be weighed from the weighing hopper 8, the present invention can be applied to the memory hopper. Good.

5 Dispersion Feeder 6 Linear Feeder 7 Supply Hopper 8 Weighing Hopper 12A, 12B Collecting Hopper 27 Drive Unit 31 Hopper Body 32 Gate 33c Support Frame 33d Support Frame 37 Connection Shaft 37b Annular Groove 38 Connection Frame 39a Receiving Part 39b Receiving Part 47 Bolt 50 Color 51 Split collar 51a Half member 51b Half member 52 Connecting screw

Claims (7)

It has a hopper body that is open at the top and bottom, a gate that opens and closes the lower opening of the hopper body, and a pair of support portions that extend so as to face the hopper body, and connects the pair of support portions A hopper that engages and supports a connecting shaft that is engaged with a receiving portion provided on a driving portion side that opens and closes the gate,
The connecting shaft is detachably attached to the pair of support portions.
A hopper characterized by that. The length of the connecting shaft is the same as the distance between the pair of opposing support portions, and each screw member inserted from the outside of each support portion is inserted into each screw hole formed at both ends of the connecting shaft. Screwed and the connecting shaft is attached to the support,
The hopper according to claim 1. It has a hopper body that is open at the top and bottom, a gate that opens and closes the lower opening of the hopper body, and a pair of support portions that extend so as to face the hopper body, and connects the pair of support portions A hopper that engages and supports a connecting shaft that is engaged with a receiving portion provided on a driving portion side that opens and closes the gate,
A collar is detachably attached to the portion of the connecting shaft that engages with the receiving portion from the outer periphery.
A hopper characterized by that. The collar has an arc shape that can be expanded and deformed, and the collar is fitted and attached from an outer periphery to an annular groove formed on the outer periphery of the connecting shaft.
The hopper according to claim 3. The outer diameter of the collar mounted in the annular groove is the same diameter as the outer diameter of the portion of the connecting shaft where the annular groove is not formed.
The hopper according to claim 4. The collar is a split collar composed of a pair of halved members, and the halved members that are externally fitted to the connecting shaft from the outer periphery are attached by being tightened and connected with a connecting screw.
The hopper according to claim 3. A plurality of combination hoppers for temporarily holding and discharging supplied objects to be weighed;
The objects to be weighed that are arranged below the plurality of combination hoppers and discharged from the combination hopper selected by the combination calculation are gathered and thrown in, and the thrown-in weighing objects are temporarily stored A combination weigher comprising a collecting hopper for discharging downward,
The collecting hopper is the hopper according to any one of claims 1 to 6.
A combination weigher characterized by that.

Images