JPH066326U - Distributed feeder - Google Patents

Abstract

(57) [Summary] [Purpose] In a distributed feeding device that feeds articles to be distributed to a plurality of linear feeders and carries them out from each of the linear feeders, scattered articles enter the vibrator of each feeder. To prevent cleaning work. [Structure] The dispersion table 42 of the dispersion feeder 41 is vibrated and driven by a vibrator 43 housed in a first cover body 60, and the articles on the table are arranged on respective rectilinear feeders 71 arranged along a peripheral edge 42b thereof. Carry out. The carrier table 72 of each linear feeder 71 is vibrated and driven by a vibrator 75 housed in the second cover body 90.
The articles are supplied to the intermediate hopper 3, respectively. The first and second cover bodies 60 and 90 cover the outer surfaces of the vibrators 43 and 75, and are supported by the cover legs 65 and 95 so as to be separated from the upper surface 1a of the housing 1. Therefore, the scattered articles fall on the housing 1 without entering the inside of the vibrator, and the first and second cover bodies 6 are blown by the air blow.
It can be excluded from the gap between 0 and 90 and the housing 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a dispersion supply device that receives articles that are dropped and supplied from above by a dispersion feeder, receives articles that are discharged from the dispersion feeder by a plurality of straight advance feeders, and supplies the articles from the respective straight advance feeders.

[0002]

[Prior art]

 For example, in a combination weighing device that discharges the items weighed by a plurality of weighing units in a combined amount for a target weight, a distributed supply device is used to supply an appropriate amount of the products to each weighing unit.

FIG. 6 shows a conventional distributed supply device 10 provided on the upper surface 1 a of the casing 1 of the combination weighing device.

This dispersion supply device 10 vibrates a conical dispersion table 12 of a dispersion feeder 11 arranged at the center of the upper surface 1 a of the casing 1 up and down by a vibrator 13 to produce an article W on the dispersion table 12. Is dispersed from the top portion 12a to the peripheral portion 12b.

The vibrator 13 intermittently attracts a vibrating table 16 supported by a plurality of inclined leaf springs 15 above the vibrating base 14 with an electromagnet 17 and is fixed to a column 18 of the vibrating table 16. The dispersing table 12 being vibrated is vibrated up and down like twisting.

A plurality of radially advancing linear feeders 21, 21, ..., 21 are arranged on the peripheral portion 12 b of the dispersion table 12.

Each of the rectilinear feeders 21 receives the articles from the dispersion table 12 on a carrier 22 and vibrates the carrier 22 in a direction of an arrow A by a vibrator 23 for a predetermined time, so that the carrier 22 a of the carrier 22 is moved. The articles are conveyed while being guided by the guide distribution tables 22b on both sides thereof, and are supplied to the plurality of intermediate hoppers 3 mounted on the side surface 1a of the housing 1 in appropriate amounts.

The vibrator 23 intermittently attracts one of the leaf springs 25 and 26 attached to the front and rear of the vibrating base 24 so as to oppose to the upper end of both leaf springs 25 and 26. The vibrating table 28 supported at the front and rear and the carrier table 22 fixed to the support column 29 of the vibrating table 28 are vibrated in the arrow A direction. The articles fed from the straight-line feeders 21 to the intermediate hoppers 3 are fed to the weighing hoppers 4 to weigh their weights. Among the weighed articles, a combination within the target weight range is selected, and the selected articles are discharged from the weighing hopper to a packaging machine (not shown) or the like.

The vibrators 13 and 23 have spring legs 19 and 30, respectively, so as not to transmit vibrations that hinder measurement to the housing 1, and the spring legs 19 and 30 are respectively included in the housing 1. It is inserted into each engaging hole 2 and is supported so as not to be laterally displaced. Therefore, at the time of maintenance or the like, it is possible to easily remove the dispersion feeder 11 and the linear feeders 21 from the top of the housing 1 simply by lifting them upward.

[0010]

[Problems to be solved by the device]

 However, in such a conventional dispersion supply device, articles that are dropped and supplied from above onto the dispersion feeder 11 are scattered in all directions, and the insides of the vibrators 13 and 23 and the gaps between the bar legs 19 and 30 are separated. It is easy to get into the space, and articles in such a space cannot be completely cleaned by blowing air.

Therefore, the articles remaining in the vibrator and the like are rotted and various bacteria propagate, corroding the vibrator, significantly reducing the durability of the device, and causing a serious problem in hygiene. An object of the present invention is to provide a distributed supply device that solves this problem.

[0012]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, a dispersion feeder of the present invention is a base and a vibration which is disposed on the base and receives articles supplied from above by a dispersion table and supports the dispersion table from below. Dispersing feeders for driving articles on the dispersion table to the peripheral edge by driving a container, and a plurality of dispersion feeders arranged on the base along the peripheral edge of the dispersion table and carried out from the peripheral edge of the dispersion feeder. Distributing and feeding device for receiving the conveyed articles on their respective conveyors and driving a vibrator for supporting the conveyors from below to convey the articles on the conveyors in a predetermined direction. In, the vibrator of the dispersion feeder and the vibrators of the plurality of linear feeders are housed in a plurality of cover bodies that respectively cover the outer surfaces of the vibrators independently, and the bottom portions of the plurality of cover bodies are Basis And it is supported at a position spaced from the upper surface.

[0013]

[Action]

 With such a configuration, in the distributed feeder of the present invention, the outer surface of the vibrator of each feeder is independently covered by the plurality of cover members supported so that the bottom portion is separated from the upper surface of the base. For this reason, the scattered articles do not remain in the gaps between the vibrators and the spring legs, almost fall onto the base, and can be reliably cleaned by blowing air.

[0014]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view in which a part of a distributed feeding device 40 of an embodiment, which is based on the upper surface 1a of a casing 1 of a combination weighing device similar to the above, is omitted, and FIG. The plan views, FIG. 3 and FIG. 4 are cross-sectional views showing the inside of the main part.

In these drawings, the dispersion table 42 of the dispersion feeder 41 is formed in a flat disc shape so as to prevent the articles dropped and supplied from above from scattering as much as possible, and is vertically moved by the vibrator 43. It is driven by reciprocating rotation of a certain angle accompanied by vibration and conveys the article from the central portion 42a to the peripheral portion 42b.

Four notches 45 are provided at equal intervals on the outer circumference of the vibration base 44 of the vibrator 43 on the upper surface 44 a side, and the lower ends 46 a of the inclined leaf springs 46 are respectively provided on the inner walls 45 a thereof. It is fixed. Similar to the vibration base 44, four notches 48 are provided at equal intervals on the outer periphery of the vibration base 47 arranged above the vibration base 44, and the leaf springs are provided on the inner wall 48a of each notch 48. The upper end 46 b of 46 is fixed, and the vibrating base 47 is supported above the vibrating base 44 by four leaf springs 46. An electromagnet 49 is fixed to the center of the upper surface 44a of the vibration base 44, and the vibration table 47 is intermittently attracted downward by the electromagnet 49 and is reciprocally rotated with vertical vibration and twisted. .

The dispersion table 42 is screwed to a column 50 attached to the center of the upper surface 47 a of the vibrating table 47. Spring legs 51 are attached to the lower surface 44 b of the vibration base 44. A positioning shaft 51a fixed to the lower surface 44b of the vibration base 44 is inserted through the center of the spring leg 51, and the vibrator 43 uses the positioning shaft 51a as the bottom plate 63 of the first cover body 60. It is inserted into the hole 64 and positioned so that it will not be displaced laterally.

The first cover body 60 is composed of a cover main body 61 formed of rubber in a tubular shape with an open lower surface, and a bottom plate 63 closing the lower surface of the cover main body 61. A column hole 62 is provided in the center of the upper surface 61a of the cover body 61, and the column 50 of the vibrator 43 penetrates the column hole 62 without any gap.

A plurality of cylindrical cover legs 65 having a predetermined length are attached to the lower surface 63 a of the bottom plate 63, and the tips 65 a of the cover legs 65 engage with the engagement holes 2 of the housing 1. It is in agreement. Therefore, the first cover body 60 is supported with the bottom plate 63 thereof floating above the housing 1 by a predetermined distance.

As described above, since the vibrator 43 of the dispersion feeder 41 is entirely covered by the first cover body 60, even if an article is scattered, the vibrator 43 does not enter the vibrator 43 and remains on the housing 1. To fall. Further, since the upper surface 61a of the cover body 61 is inclined downward toward the outside and vibrates together with the support column 50, the articles scattered on the upper surface 61a also fall onto the housing 1.

The linear feeders 71 are arranged radially around the dispersion feeder 41. Each of the linear feeders 71 vibrates the carrier table 72 in the direction of the arrow B by the vibrator 75, and conveys the articles carried from the dispersion table 42 to the conveying surface 72a while guiding the guide portions 72b on both sides. , To each intermediate hopper 3. An L-shaped locking plate 73 that engages with a rear end of a support plate 82, which will be described later, and a hook 74 for a patch lock 83, which will be described later, are attached to the rear end portion and the intermediate portion of the lower surface 72c of the carrier table 72. Has been.

The lower ends 77 a and 78 a of parallel leaf springs 77 and 78 are screwed to the front and rear of the vibration base 76 of the vibrator 75. A vibrating table 79 is disposed above the vibrating base 76 in parallel with the vibrating base 76.

A front end 79a and a rear end 79b of the vibrating table 79 are bent downward in parallel with both springs 77 and 78, and upper ends 77b and 78b of both leaf springs 77 and 78 are screwed respectively.

A support plate 80 is fixed to the upper surface 79c of the vibrating table 79, and two support posts 81 of the same length are provided up and down in front of and behind the support plate 80.

A horizontal portion 82 a of an L-shaped support plate 82 that supports the carrier table 72 so that the carrier 72 can be detached from the vibrator 75 with one touch is fixed to the upper end of each column 81.

A patch lock 83 is attached to the bent portion 82 b of the support plate 82, and a pad plate lock 83 is attached to the support plate 82 in a state where the rear end of the horizontal portion 82 a of the support plate 82 is locked to the locking plate 73 of the carriage 72. The carriage 72 is supported by fixing the frame 83a of the chin lock 83 to the hook 74.

An electromagnet 85 that intermittently attracts one of the leaf springs 77 and vibrates and drives the carrier table 72 is attached to the front upper surface 76 a of the vibration base 76 of each vibrator 75. A plurality of spring legs 86 are attached to the lower surface 76b of the vibration base 76. A positioning shaft 86a fixed to the lower surface of the vibration base 76 is inserted through the center of the spring leg 86, and the vibrator 75 uses the positioning shaft 86a of the bottom plate 93 of the second cover body 90. It is inserted into the hole 94 and positioned so as not to shift laterally.

The second cover body 90 independently covering the outer surface of each vibrator 75 includes a cover main body 91 formed of a resin in a box shape so as to cover the side surface and the upper surface of the vibrator 75, and the cover main body 91. A bottom plate 93 that covers the bottom surface of the cover main body 91 is provided with a support hole 92 through which each support 81 of the vibrator 75 is inserted.

The bottom plate 93 is provided with an engagement hole 94 for inserting the positioning shaft 86 a of the vibrator 75 to determine the position of the vibrator 75, and the lower surface 93 a of the bottom plate 93 has the same cylindrical shape. A long cover leg 95 is attached. The tip 95a of each cover leg 95 is engaged with the engagement hole 2 of the upper surface 1a of the housing 1, and the second cover body 90 is fixed from the upper surface 1a of the housing 1 by this cover leg 95. It is supported so that it does not slip laterally at a distance. The gap between each column hole 92 of the cover body 91 and each column 81 is covered with a bellows tube 96 made of rubber, and a waterproof packing 97 is provided at the joint between the cover body 91 and the bottom plate 93. ing.

Thus, the outer surface of the vibrator 75 of each straight feeder 71 is independently covered by the second cover body 90, and each second cover body 90 itself also floats from the upper surface 1 a of the housing 1. Since the articles are supported in the open state, even if the articles are scattered, they fall onto the upper surface 1a of the housing 1, so that these articles can be cleaned by air blowing.

Next, the operation of the dispersion supply device 40 will be described.

As shown in FIG. 5A, the product W dropped and supplied onto the dispersion table 42 from above is conveyed to the peripheral edge portion 42 b of the dispersion table 42 by driving the vibrator 43. Each of the linear feeders 71 respectively conveys the goods carried out from the dispersion table 42 to the conveyor table 72 by driving the vibrator 75, and supplies a predetermined amount of goods to the intermediate hopper 3. Each of the articles supplied to the intermediate hopper 3 is discharged into the weighing hopper 4 to be weighed, and a combination close to the target amount is selected and discharged.

When the number of articles on the distribution table 42 decreases while these operations are intermittent, the articles are supplied again from above and the weighing operation is continuously performed.

Since the dispersion table 42 is flat, the scattering of the articles is small at the time of supplying the articles. However, the slight scattered articles may cause a gap between the dispersion table 42 and the conveyor 72 of the straight feeder 71 and the conveyor 72. Enter from the gap between them.

However, most of these scattered articles do not enter the vibrators 43 and 75 covered with the first and second cover bodies 60 and 90, and most of them are shown in (b) of FIG. As shown, it falls on the upper surface 1a of the housing 1.

Therefore, when the air blowing device 100 blows air onto the upper surface 1a of the casing 1 when the metering operation is completed, these articles are provided with the first and second cover bodies 60, 90. It does not pass through the space underneath or between the covers and is discharged to the outside of the machine, so that it does not remain on the casing 1 and cleaning is extremely easy.

Further, since the cover legs 65 and 95 of the first and second cover bodies 60 and 90 are only engaged with the engagement holes 2 of the upper surface 1a of the housing 1, the cover body is moved upward. By simply lifting, each feeder can be removed from the housing, and maintenance work can be performed independently for each feeder.

In this embodiment, a dispersion table having a flat conveying surface is used in order to reduce the scattering at the time of supplying the articles, but this does not limit the present invention, and the conventional conical shape is used. You may use the distribution table of. Further, the material and shape of each cover body can be variously modified without departing from the scope of the present invention.

Further, in the above-mentioned embodiment, the dispersion supply device in which a plurality of straight advance feeders are arranged in a radial pattern centering on the dispersion feeder has been described. However, a plurality of straight advance feeders are arranged in parallel and dispersed at one end side thereof. The present invention can be similarly applied to a distributed feeder having a feeder.

[0040]

[Effect of device]

 As described above, in the distributed feeder of the present invention, the dispersion feeder and the vibrators of the rectilinear feeders are housed in the respective independent cover bodies to cover the outer surface of each vibrator, and each cover body is used as a base. Since it floats above the table and supports it, scattered articles do not enter the inside of each vibrator or the gap between the spring legs, and the gap created between the cover and the base is used. As a result, the residual articles on the base can be easily eliminated, so that the durability is not deteriorated due to corrosion and the sanitary problems due to the propagation of various bacteria are eliminated.

[Brief description of drawings]

FIG. 1 is a side view of an embodiment of the present invention.

FIG. 2 is a plan view of an example.

FIG. 3 is a cross-sectional view showing an internal structure of a main part of one embodiment.

FIG. 4 is a cross-sectional view showing an internal structure of a main part of one embodiment.

FIG. 5 is a side view for explaining the operation and cleaning work of the embodiment.

FIG. 6 is a side view of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Casing 40 Dispersion feeder 41 Dispersion feeder 42 Dispersion table 43 Vibrator 60 First cover body 63 Bottom plate 65 Cover leg 71 Straight feeder 72 Transfer table 75 Vibrator 90 Second cover body 93 Bottom plate 95 Cover leg

Claims (1)

[Scope of utility model registration request] 1. A base and an article on the dispersion table, which is arranged on the base and receives articles supplied from above by a dispersion table, and drives a vibrator which supports the dispersion table from below. And a plurality of disperse feeders for conveying to the peripheral portion, and a plurality of disperse feeders are arranged on the base along the peripheral portion of the dispersion table, and the articles conveyed from the peripheral portion of the dispersal feeder are received by the respective conveyors. In a dispersion supply device provided with a rectilinear feeder that drives the vibrators that respectively support the articles from below, and conveys the article on the conveyor in a predetermined direction, each of the vibrator of the dispersion feeder and the plurality of rectilinear feeders. The vibrator is housed in a plurality of cover bodies that respectively cover the outer surface of the vibrator independently, and the plurality of cover bodies are supported at positions where their bottoms are separated from the upper surface of the base. Distributor supply device.