DE102008043545A1 - Bulk goods-bagging device for bagging preset bulk goods-charging weights in transport drums, particularly in bags, has balance and control device, where bagging adapter of bagging carousel is provided with pneumatics for attaching bag - Google Patents

Abstract

The bulk goods-bagging device has a balance (1) and a control device (8), which delivers preset bulk goods-filling quantity from a balance container (6) into transport drums (21). A bagging adapter of a bagging carousel is provided with pneumatics for attaching a bag, which has a retractable hand operated lever valve or a foot switch.

Description

The The invention relates to a bulk bagging device for Sagging of given bulk material filling weights in Transport containers, in particular in sacks, with a balance and a control device, which predetermined bulk load quantities discharges a weighing container into transport containers.

Next The classic transport packages are known in the field of so-called Packaging industry specialized filling and packaging equipment for consumer packs. As a rule, fill quantities are of a few hundred grams, at most a few kg created. 5-10 kg weights are usually perceived as the upper limit. The size is adjusted for easy handling for sale and consumer, or from the shop to the end user, for example in the kitchen. transport containers are mainly used for transport from a processing plant to the next. In the classic case of the mill to the bakery. The weight of transport containers, mostly adjusted to male employees, is between 20 and 100 kg.

• – automatische Portionenbereitstellung Anhängen und Verschliessen des Sackes von Hand
• – automatische Portionenbereitstellung Anhängen der Säcke von Hand vollautomatische Verschliessung der Säcke
• – automatische Portionenbereitstellung vollautomatische Sackanhängung und Sackverschliessung

In practice, three levels of automation were developed for the filling of transport bags, according to the specific requirements:

• - Automatic portion supply Attaching and closing the bag by hand
• - Automatic portioning Attaching the bags by hand fully automatic closing of the bags
• - Automatic portioning fully automatic bag attachment and bag closing

from that It can be seen that in any case the portion provision is the basis for all automation levels. The core problem lies in it, in a small period of time bulk portions to form and weigh precisely. One and the same Bulk material can behave differently, whether the good during the transport could mix with air and one more or get less fluid-like behavior has, or if extreme conditions such as heat or cold also the machine elements and the resulting adhesive forces disturb between bulk material and wall parts.

in the The bag contents are compared to the dimensions of storage silos small portions. Nevertheless arise for the sizing from filling devices, for example, from intermediate depots big dimensions. When assuming room heights of 3 to 4 m The bagging facilities take 1-2 floors in Claim.

To the bulk scale is usually a scale dump trimming used so that the full balance contents in front of the bag in a funnel is caught, which also requires height.

opposite the practice of the past two decades, the sack by tank and to replace bulk container transport, is now again a reverse tendency to small transport container, so the bag. In many countries, professional associations require one Reducing the bag weight from, for example, 50 to 25 kg, which at the same Ausstosgestage doubling the number of bags brings with it. Therefore, increasingly bagging stations with a asked for very high unit performance. For special Fine industrial products such as cement, lime, plastics, etc. are the so-called valve bags most widespread. The Product comes with a beak-like filler neck through a correspondingly small valve opening of the bag filled. After reaching the desired weight Can the sack opening through prepared paper folds immediately be closed.

Of the huge advantage is that the product is very little with Air is mixed. The main disadvantage of this system lies in the limited operational capability. Cereals, semolina, Flour, bran and feed, etc. are known to have very different bulk densities, so that in the same bag size with different products different weights are filled.

at the classic flour sacks disturbs a little Amount of white space in the precipitated, closed paper or On the other hand, no plastic bag, because this bag after filling, be it with a sewing machine or with glue, tightly closed becomes.

• – O-Tarierung des Wägebehälters
• – Grobdosierung
• – Feindosierung
• – Stillstand
• – Kontrolle der Abfüllmenge bzw. des Sollgewichtes
• – evtl. Korrektur des Grobstrom- und/oder des Feinstromabschaltpunktes

The bag is suitable for a simple transport of goods over long distances and is in many ways a convenient unit for optimal "handling". Depending on the specific good special criteria, such as hygiene issues, dust-free, full bag filling, in the foreground. In almost all cases, the customer demands exact filling weight of each individual bag. But only by a high degree of automation can be cost-effective to fill a large number of bags per hour weight. Legislators generally have to follow certain methodological rules of the game in so-called net bagging scales via calibration regulations. The following weighing procedure results for the creation of a predefined filling quantity:

• - O-taring of the weighing container
• - coarse dosage
• - fine dosage
• - standstill
• - Control of the filling quantity or the target weight
• - If necessary, correction of coarse flow and / or Feinstromabschaltpunktes

• – der Pralldruck des Grob- und Feinstromes
• – der Dopplereffekt
• – der Nachstrom des Grob- und Feinstromes
• – die unterschiedliche Fallhöhe bei unterschiedlichen Absackgewichten.

At higher bagging capacities, O-tare and the control of the filling quantity and, as a result, correction of the fine-flow cut-off point, can only take place cyclically, ie, for example, at every 20th filling. The following weighing factors are also to be considered:

• - The impact pressure of coarse and fine flow
• - the Doppler effect
• - The wake of coarse and fine flow
• - The different fall height at different bagging weights.

about Decades developed for the special task the so-called bagging scale, most widely used as a net bagging scale. In the bagging scale itself, the predetermined portion weight Weighing precision prepared, which after attachment an empty sack to a sack in the shortest possible time is bottled in the bag. On This way, from several 100 to over 1000 servings deployed per hour and the product in the appropriate number Bottled sacks. In many uses Today, much greater benefits are required, for Example up to 2000 servings per hour.

From the EP 348 610 A2 a bagging plant is known, which is suitable for the packaging of multicomponent mixtures, wherein the individual components are weighed, dosed and packaged. For this purpose, individual filling stations of the bagging system are equipped with combined discharge, weighing and transfer devices, which treat the individual components individually.

From the EP 288 415 A2 is a bagging device for gravimetric filling of bulk quantities from a reservoir via a coarse metering system and a Feindosiersystem known.

In both known bagging devices ( EP 348 61 A2 and EP 288 415 A2 ), the bulk material is filled in a separate weighing container until the measured weight of bulk material in the container filled exactly one bag filling in a bag. During this time, the discharge of the bulk material from the stock in the weighing container is stopped.

The EP 348 077 A1 shows a bagging device in which the bulk material is filled directly into a bag and weighed there. It is filled while until the weight of the bulk material in the bag corresponds to the desired Sackfüllgewicht. Then the filling is stopped, the filled bag is suspended, a new bag attached and only then the whole process repeated.

All The aforementioned bagging devices belong to the genus the Nettabsackwaagen, which have the disadvantages described below exhibit.

in the Article "Gravimetric dosing - with a belt scale or differential scale" of the journal "Carts and dosing", No. 6, Nov. 1989 , the manual "Handbook of Weighing", Manfred Kochsiek, Friedr. Vieweg & Sohn, 1985, pp. 335-339 , and the company brochures "Continuous Weighing and Feeding Equipment", F 9100 e such as "Peser et doser en continu", F 9100 f of the company Schenk a differential metering scale is described, which discharges bulk material by means of a discharge from a weighing container. The output depends on the weight loss of the bulk quantity per unit time in the weighing container. This process is known in the relevant literature under the term "differential metering weighing". The aim of such differential dosing scales is to continuously produce a predetermined, temporally constant quantity of bulk material - a continuous stream of bulk material. To generate this continuous flow, the weighing container must be recharged cyclically with bulk material. Since during the reload time no weight decrease of the bulk material in the weighing container can be measured, the differential metering scale switches over to a volumetric discharge. For this purpose, the discharge device is further controlled for a short time at the same speed which was previously determined during the differential metering weighing.

The WO 86 05 875 shows a device for automatically detecting a continuous bulk material throughput by means of a continuous scale, consisting of a weighing container and an adjustable closure member for adjusting the outlet cross-section of the weighing container. This device continuously detects the time-varying amount of passing or passing bulk material.

Net bagging scales empty the filling weight suddenly and with very high performance. This creates some serious problems. The bag inflates greatly due to the air displacement through the filling and additionally loads the bag material. In addition, the bed receives a considerable amount of air during emptying of powdery products, so that the venting of the sack is another known problem. The sack must also be for the sake of a optimum venting and rapid filling be chosen as large as possible. To achieve high performance, a high degree of automation is required and therefore an automatic bag trailer is used. However, large bag sockets considerably impair the functional reliability of a mechanical sack container. For products that can be reduced in volume by compaction elements to reduce prepackage or to save expensive bag material, the compaction time increases due to the strong fluidization of the product and reduces the bagging performance.

When Connecting the scale to the sack becomes a scale debris hopper used. Affect the appearance of hangings in this funnel on the one hand the weight accuracy of the pack and on the other the hygiene very negative. Especially for products that are very sticky tend to frequent cleaning especially the hopper inevitable.

Also known is a bagging device according to EP-B-522102 in which the quantities of bulk material discharged from a weighing container into a transport container are determined gravimetrically via a differential weight decrease of the weighing container and the quantity discharge is controlled to the given bulk filling weight, whereby the device can also be designed as a bagging carousel.

aim The invention is now the reduction of the burden of bag handling.

Of the Invention was the object in particular, the known Disadvantages as far as possible to fix the packing process to shorten and simplify Sackstutzen.

The Invention solves this problem by the subject of the claim 1.

By Switched ram valves will be the sack-tube pneumatics simplified.

For this is on each bag neck preferred a resettable hand lever valve or a foot switch provided, the / the ejector cylinder or is electrically operated.

Prefers the ejection cylinder presses directly on the plunger valve.

Farther is preferably at each bag neck a (small) tank for provided an air supply.

in the The following are the terms Differential weighing and Differentialdosierverwiegung be clearly distinguished.

at The differential weighing will only be one weight loss tracked starting weight. To the weighing container is filled with approx known quantity of bulk filled and the weight of the weighing container, including bulk material. Subsequently, as long as bulk material from the weighing container discharged until the difference of the present weight from weighing container and bulk material to takeoff weight exactly a given bulk filling weight equivalent. It does not matter what amount of weight within a certain period of time. So, for example initially a very large amount of bulk within a short time be discharged. Subsequently, the slower the the greater the difference in weight the given bulk filling weight approaches.

at on the other hand, a differential dosing weighing is per unit of time continuously discharging a certain weight of bulk material, For example, 10 kg of bulk material per second.

• – Pralldruck des Grob- und Feinstromes
• – Dopplereffekt
• – Nachstrom des Grob- und Feinstromes
• – variierende Fallhöhe
• – Waagenschütttrimelle und entsprechende Staubzone
• – keine Wechselstutzen

Significant disruptive effects are based on the EP B 522 102 no longer available, for example:

• - Impact pressure of coarse and fine flow
• - Doppler effect
• - Afterflow of coarse and fine flow
• - varying drop height
• - Scale shake trimmer and corresponding dust zone
• - no exchange nozzle

• – es tritt nur noch eine minimale Fluidisierung auf
• – der Aufwand für die Verdichtung des Schüttgutes im Sack und die Notwendigkeit der Sackrüttelung ist minimiert
• – Verkleinerung des Sackstutzens

Other sources of interference could be drastically reduced in their influence:

• - There is only a minimal fluidization
• - The cost of the compaction of the bulk material in the bag and the need for Sackrüttelung is minimized
• - Reduction of the sack neck

The Filling portions are made by controlling the discharge a differential bagging scale on the determination of the Differential weight provided cyclically and over a sack nozzle filled directly into bags become.

To The differential weighing system has a differential weighing container with bulk material dosing and a controlled product discharge as well as computer means, which of weight values of the weighing system both the bag and the weighing container filling process Taxes.

It takes place cyclically, alternately after each or after several refills, refill the differential weighing container. It is provided in the differential scale from 1.5 to a maximum of 5 times, preferably 1.5 to 3 times a portion, from which transport bags of 10 to 100 kg weight can be filled.

A Bulk bagging device is with a scale and a Control device provided, which predetermined bulk material quantities from a weighing container in transport container discharges, wherein the balance is designed as a controlled differential balance, which from the weighing container into the transport container each discharged bulk quantities over a differential weight loss of the weighing container detected gravimetrically and thereby the bulk material discharge to the specified bulk filling weight controls.

In order to not just the whole filling device easier, lower and more hygienic, but allows one enormous automation step, so that too the goal of doubling the bagging performance is achievable without disadvantages.

The device may be further equipped. Thus, in a preferred embodiment, the product discharge of the differential bagging scale ( 1 ) directly into a flow filler neck of a sack hitch. The weighing process can be improved by arranging a controllable closing device at the end of the discharge area of the differential bagging scale.

For Products with unfavorable flow behavior, the device an upright scale container, a speed controllable Discharge screw with a substantially horizontally directed Discharge from the balance container, as well as a Überleitstück of the balance container to the discharge screw and differential weighing elements exhibit, whereby the discharge over the gravity directly flows into the bag neck. Preferably, in this case, the differential bag scale Both a coarse and a fine dosage on, with the coarse and the fine discharge as controlled Zwangsaustragselemente, preferably Discharge screws are formed. For free-flowing On the other hand, products are suggested that the product discharge device is designed as a dosage with controllable Dosierschiebern.

at In another embodiment, the differential bagging scale is a Bag carousel assigned and passes in the cycle of the baggage carousel the respective predetermined portions via a bagging nozzle, respectively, flow filling nozzle for bagging.

For The training of highest bagging services will be in a plant preferably two or more differential bagging scales for a flowing filling nozzle of a bagging carousel assigned. It can be either in tandem or the portions provided for a short time with twice the hourly output become.

When It has proven to be particularly advantageous if the flow filler neck a free passage cross section, which is smaller or about the Cross-section of the product discharge from the balance container corresponds, has. This measure also allows an increase automation, since a small sock neck is easier to handle to go through the rapid mechanical movements of the bag trailer. In addition, for a large range of, for example, 20 up to 100 kg bags of the same Absackstutzen be used.

The High-performance bagging stations have two roughing scales as well a Feinosierwaage with associated computer means and the baggage carousel 3-6 (8) Flow fillers on.

These Constellation allows programs for exact control to create the product shift, so for example after a certain amount of product that needs to be bagged, nowhere Product remains remain. Also, you can use the same bagging device Product changes are prepared and carried out faster.

In the result is the invention of embodiments explained in more detail.

It show the:

1 schematically a Einfachabsackstation with a differential bag scale;

2 differential weighing in conjunction with a bagging carousel;

2a the run-off of the main sagging movement;

3 . 3a Weighing principle of a net bagging scale;

4 a weight-time diagram of a net bagging scale of the prior art;

5 a weight-time diagram of the new differential bagging scale;

6 a disposable for high-performance bagging, for example, for 1200 bags per hour;

6a represents the movement of the 6 is analogous 2a ;

7 a solution analogous to the 1 however with bag packing machine;

8th a 4-neck bagging carousel for pourable bulk solids;

9 a differential bagging scale for heavy goods on a larger scale;

10 a scheme of a sack pneumatics with four sack sockets

11 a sack shaker.

It will now be on the 1 Referenced. A differential scale 1 is over pillars 2 , a platform 3 and weight sensing elements 4 supported, respectively on the ceiling 5 suspended.

The differential scale 1 consists essentially of a weighing container 6 , a crossover piece 7 and a forced discharge screw 8th that of a drive motor 9 via a gearbox 10 powered and from a calculator 11 is controlled. The coarse and fine flow metering can be carried out with a metering screw with 2 speeds or the fine flow metering via a separately driven, not shown, fine flow screw.

So from the supply 8th no uncontrollable wake arises, the outlet is 16 over a flap 15 about the calculator 11 controllably opened and closed. A bagging head 17 , which is independent of the differential scale 1 on the ground 18 is supported, has a Absackstutzen 19 and a bag holder 20 on which in 1 A sack 21 held tight. The of the product in the bag 21 displaced air may have an aspiration 22 escape. About a rubber membrane 23 is a product feed head 24 Dust-tight with the weighing container 6 connected. In the feed head 24 opens a product feed conveyor 25 , which via a drive motor 9 cyclically from the computer 11 , Respectively according to the scale signal, is controlled.

In the 2 is a differential scale 1 directly above a baggage carousel 31 shown, on which bag neck 32 . 321 . 32 '' are visible. It is also important that the bag, especially with pleated bags, evenly filled with product from bottom to top. A compaction system, for example a side packer 33 , compacts the product in the bag by shaking and oscillating movements very efficiently during coarse and fine dosing equally intensively from bottom to top. Depending on the problem can also be a second side packer 33 be used, this behind a bagging neck 32 ' or 32 '' , After completion of the bag filling and Sackrüttelung the bag is on a conveyor belt 34 deposited and by a closing station 35 guided and provided for the way transport.

In the 2a is a time schedule, for example, a baggage carousel after the 2 shown with four sacks. The curve 36 gives the time course of the product refill N in the differential scale 1 at. The curve 37 represents the course of the product discharge from the differential scale 1 where G is the coarse flow, F is the fine flow and B is the settling time for the balance. The line 38 represents the time course of the step movement of the carousel; S means the time for a step movement of a blind neck by 90 '. In the curve 39 the shaking time R is shown while the side packer 33 compacted the product.

The 3 . 3a and 4 serve the explanation of the technical terms. Here mean product in the weighing container, P = impact pressure, D = Doppler effect, N Nachstrom, FH = fall height.

The 3 and 3a show that the amount of tail stream (dotted) depends on the height of fall. In the 3a is the downstream smaller than in the 3 , With increasing drop height, the falling speed of the bulk material increases. The narrower the cross section of the weighing vessel, the faster the level of bulk material in the weighing vessel increases. The upward growth of the column of bulk material in the scale against the falling product flow creates an analogous phenomenon as when two cars collide. The impact force is greater in both cases, compared to the impact on a stationary body. In weighing technology this is called the Doppler effect. The effective final weight can only be determined when the backflow in the weighing container has settled and the balance has calmed down. These and other confounding factors must be taken into account in every bulkhead weigher, for example by appropriate time delays. In the weighing technique is a weight-time diagram according to 4 known.

In the 5 a weight-time diagram is shown in the differential bulk scale according to the new solution. In the example shown, an interplay between filling the balance and filling the bag is shown.

It takes about 1-2 seconds to refill the differential bulk scale until a weight of approx. 25 kg is reached. Quite essential here is that for the refill with the exception of the last bag quantities does not have to be refilled to an exact predefined weight, as determined after refilling the standstill determination the exact weight in the differential bulk and sent to a computer. After that For example, the filling weight is discharged to a predefined weight (FA) with the differential weighing system, first as coarse flow and then as fine flow. The filling weight is reached within approx. 4 seconds. It is particularly interesting that with the closing of the Austragsdosierorgane the differential bulk scale, respectively the moment of leaving the last crumb of the bulk material from the weighing, immediately the exact actual weight measurement in the balance applies. The afterglow is already balanced. Doppler effects, impact pressure, etc. have noticeably no influence on the creation of the filling weight, as they take place outside, and afterwards after weighing. All confounding factors listed above have been dispelled from the filling phase and transferred to the refilling phase and thus made harmless for bag filling and weight production.

In the 6 schematically a complete bagging plant is shown. At the same time, the sacks are picked up by a trailer 40 to the flow filling nozzle 32 of the baggage carousel 31 attached. The bag filling is alternately from the bulk scale 1 , Revisited I 'created, with refill filling takes place alternately. The fine dosage is via a computer 41 controlled and a corresponding dosing order to a fine dosing, which is also equipped as a differential dosing, given. About the calculator 41 can also be bulk dosing via metering screw 43 . 43 ' , perspective 43 '' from a distributor 44 out. The baggage carousel is designed as a 6-branch carousel, wherein the sixth, 321 , intended for attachment of sacks by hand.

In the 6a is the coordinated operation of the 6 shown bagging device shown analogous to 2a , Where K = carousel; MWBC-GI = differential bagging scale, coarse flow I; MWBC-GII = differential bagging scale, coarse flow II; MWBC-F = differential bagging scale, fine flow; R = vibrator.

In the 7 is a further, more comfortable embodiment of a so-called bagging machine shown, which is a Einzelabsackstutzen. A single bag 21 becomes analogous to the 1 attached, wherein a telescopic sock performs a vertical movement V, which in the bag 21 Any dust formation can be avoided. The filling takes place here via a driven filling screw 50 , The vertical movement takes place via a pneumatic cylinder 51 , This known as a bag packing machine bagging here is about a support 53 supported on the ground, analogous to the 1 , For the movements of the operator via an input device, the desired data are specified. A bagging game then runs in the sequence via a control unit 54 , respectively, the corresponding balance control 55 from.

In the 8th is in place of the differential scale 1 of the 1 with forced discharge a differential scale 60 for free-flowing goods with adjustable discharge dosing slide 61 . 61 ' shown. It is possible to use pneumatic cylinders 62 as well as the balance control 63 Different dosing positions are selected to obtain a quick yet optimal filling of the bags. There are now some very interesting combinatorial effects. A catching funnel 64 is as a unit with the sack neck 32 educated. Both parts are like a feed head 65 over a support 66 on the floor 18 firmly supported. The weighing container 6 points up and down in the area of rubber cuffs 67 , perspective 68 Cross-section equality also with the solid transition pieces on. Via an air balance tube 69 Now all the air displaced in the bottom of the sack is directed upwards in a large cross-section, so that there are no dust or differential pressure problems between the top and the bottom.

In the feedhead 65 is under a trimelle 70 a controllable slider 71 arranged, which via a pneumatic cylinder 72 is pressed. The balance electronics are directly connected to a control box 73 connected, from which the main work instructions are given, so also to a semi-automatic bag clamping device 74 ,

In the episode will now be on the 9 Referenced. The production flow PI occurs vertically in a differential scale 1 for low-flow goods at the top, and leaves them again below as P2. The flow meter has a feed head 102 on that with a platform 103 via consoles 104 firmly connected and on the ground 105 is supported. An inlet pipe 106 as well as a discharge pipe 107 are stationary. The weighing part 108 is opposite the feed head 102 as well as opposite the discharge tube 107 each with a flexible rubber boot 109 dustproof connected. The weighing part 108 consists of an upright balance container 110 , which in the lower part a slight conical rejuvenation 110 ' having. The scale container 110 and the conical taper are designed as a round tube shape. Between the balance tank 110 and a discharge screw 111 is a transitional piece 112 arranged, which is the transition from the upright tube shape of the balance tank 110 in a horizontal tube shape of the discharge screw 111 optimally ensures product flow. Like in the 1 has the transition piece 112 from top to bottom has an approximately constant cross section, and in the embodiment has a shape from round to rectangular. The weighing part 108 is circumferentially on, for example, three weight transducers 113 at the platform 103 suspended. Very interesting the suspension of the whole car part 108 including a drive motor 114 so that the drive motor 114 and the discharge screw 111 in each case an opposite direction over the weighing part 108 protrude, and to some extent with respect to a central axis 115 keep each other's balance. Immediately to the inlet pipe 106 there is a Vorbunker 116 from a pneumatic cylinder 117 and a bottom flap 118 via an electronic control 119 , Respectively a pneumatic signal conversion 120 controllable by selectable program, with setpoints for the product discharge from an external computer 121 and the actual weight signals from the weight transducer 113 be won.

The Vorbunker has less than 50% of the maximum capacity of the balance tank 110 preferably about 30% to 90%. But this is quite deliberately deviated from the conventional application of a differential scale here, as for the filling of the balance container only a part is vorspeicherbar so that the feed weighing technology is also detected, which is important for the detection of a production flow, if not additional control devices for the Inflow still to be accepted.

Of the Waagenbehälter has about twice its height Diameter, wherein the diameter can be 0.3 to 0.6 m. The tube screw has for this purpose a diameter of 1,100 to 0,250 m on, giving an average ratio of scale container cross section to tube cross section of about 1:10 is formed.

In the 9 is yet another, particularly interesting design idea represented by the drive motor 114 with or without flanged discharge auger shaft 122 about an excerpt 123 Drawer-like in the direction of the axis 124 the discharge screw 111 is extendable. This allows very high standards to meet the purity of the product route.

In the upright balance container 110 If the product steadily lowers in a vertical direction, it becomes with the transfer part 112 directly in the feeder of the discharge screw shaft 122 guided and horizontally from the balance tank 110 discharged and again vertically above the discharge pipe 7 , metrologically newly controlled, steadily released.

10 shows a schematic of a pneumatics for bagging 32 a baggage carousel.

At every outlet 32 (only one of which is explicitly shown) is a resettable hand lever valve 206 arranged, which by means of a discharge cylinder (Kurzhubzylinder) 201 is pressed. This presses on a plunger valve 202 , The solenoid valve 203 controls the ejection cylinder and by means of hand lever valve 206 the pneumatic cylinders 204 ,

A common maintenance unit 205 ensures the reliability of the air supply.

Thereby a simple, easy-to-maintain pneumatic system is made possible, which also has only a small size.

11 shows a side packer (Sackrüttler) 33 with a striking plate 210 that a chimney 211 covers. The beat rust 211 is set in motion by means of a three-phase motor, whereby only positive amplitudes of the motor-driven eccentric are used for compression strokes. This allows a much higher compression of the bag contents. An aspiration connection is also planned 213 on the strike plate 210 , as well as an adjustment 212 the impact plate to adapt to different Sackstutzendurchmesser ua

1, 1 ', 60, 108

Differential scales

2

columns

3

platform

4, 113

Differential balance elements

5

blanket

6 110

weighing

7, 112

Überleitstück

8th, 111

Control device (forced discharge screw)

9 114

drive motor

10

transmission

11 15

Closing device (computer)

15

flap

16

outlet opening

17

Absackkopf

18 105

ground

19 32, 32 ', 32' '

bagging

20

bag holder

21

transport containers (Bag)

22

aspiration

23

rubber membrane

24

Product feed head

25

Product feed conveyor

31

Absackkarussell

33

page packer

34

conveyor belt

35

sealing station

36 37, 39

Curve

38

line

40

attachments Machine

43 43 ', 43' '

dosing screw

44

distributor

50

screw feeder

51 62, 72, 117, 204

pneumatic cylinder

53 66

support

54

control unit

55, 63

scale control

61, 61 '

Austragdosierschieber

64

receiving hopper

65, 102

feed head

67, 109

rubber sleeves

68

Cross-cut tie

69

Air balance pipe

70

Trimelle

71

pusher

73

control box

74

Bag clamp

103

platform

104

console

106

supply pipe

107

drain pipe

110

Weigh Hopper

110 '

conical rejuvenation

111, 122

discharge screw

115

central axis

116

Vorbunker

118

bottom flap

119

control

120

signal conditioning

121

computer

123

abstract

124

axis

201

ejecting cylinder

201

Short stroke

202

plunger valve

203

solenoid valves

205

maintenance unit

206

manual valve

210

impact plate

211

beat Rost

212

adjustment

213

aspiration

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - EP 348610 A2 [0013]
• EP 288415 A2 [0014, 0015]
• - EP 34861 A2 [0015]
• EP 348077 A1 [0016]
• WO 8605875 [0019]
• - EP 522102 B [0022, 0033]

Cited non-patent literature

• - Article "Gravimetric dosing - with a belt scale or differential scale" of the journal "Wagen und Dosieren", no. 6, Nov. 1989 [0018]
• - "Handbook of Weighing", Manfred Kochsiek, Friedr. Vieweg & Sohn, 1985, pp. 335-339 [0018]
• - "Continuous Weighing and Feeding Equipment", F 9100 e [0018]
• - "Peser et doser en continu", F 9100 f of Schenk [0018]

Claims (14)

Bulk bagging device with a scale ( 1 . 1' . 108 ) and a control device, which predetermined bulk load quantities from a weighing container ( 6 . 110 ) in transport containers ( 21 ), whereby the balance ( 1 . 1' . 108 ) as a controlled differential scale ( 1 . 1' . 108 ) is designed, which from the weighing container ( 6 . 110 ) in the transport containers ( 21 ) each discharged bulk quantities via a differential weight loss of the weighing container ( 6 . 110 ) is detected gravimetrically, thereby controlling the bulk material discharge to the specified bulk material filling weight ( 8th . 11 . 61 . 111 . 121 ) and as a baggage carousel ( 31 ), characterized in that the sack neck ( 32 ) of the bagging carousel ( 31 ) is provided with a pneumatic for attaching a bag, which has at least one resettable hand lever valve or a foot switch. Bagging device according to claim 1, characterized in that the differential scale ( 1 . 108 ) for transferring predetermined proportions via the sack nozzle or flow fillers ( 32 . 32 ' . 32 '' ) in the cycle of the bagging carousel ( 31 ) is designed. Bagging device according to claim 2, characterized in that a flow-filling nozzle position two differential scales ( 1 . 1' ) assigned. Bagging device according to one of claims 1 to 3, characterized in that a further flow-Füllstutzenposition another controlled differential scale ( 1 ) assigned. Bagging device according to claim 4, characterized in that the at least two differential scales ( 1 . 1' ) are matched to one another in such a way that they contain two portions which add to the specified bulk filling weight in the transport container ( 21 ), where the first portion is discharged as coarse flow (GI, GII) and the second as fine flow (GF). Bagging device according to one of claims 1 to 5, characterized in that the control device ( 8th . 11 . 61 . 111 . 121 ) at least one controllable slide ( 61 . 61 ' ) having. Bagging device according to one of claims 1 to 5, characterized in that the control device ( 8th . 11 . 61 . 111 . 121 ) Forced discharge elements ( 8th ), in particular delivery screws ( 8th ). Bagging device according to one of claims 1 to 7, characterized in that the output ( 16 ) of the stone device ( 8th . 11 . 61 . 111 . 121 ) in the formed as flow filling nozzle Absackstutzen ( 31 . 32 ' . 32 '' ) a sack hitch ( 20 . 40 . 74 ) opens. Bagging device according to claim 8, characterized in that the flow filler neck ( 32 . 32 ' . 32 '' ) has a free passage cross section, which is approximately the cross section of the output ( 16 ) of the control device ( 8th . 11 . 61 . 111 . 121 ) or less. Bagging device according to one of claims 7 to 9, characterized in that at the output ( 16 ) of the control device ( 8th . 11 . 61 . 111 . 121 ) a closure device ( 11 . 15 ) is arranged. Bagging device according to one of claims 1 to 10, characterized in that it is designed for filling products with unfavorable flow behavior, wherein a) the differential scale ( 1 . 108 ) an upright weighing container ( 6 . 110 ) with differential weighing elements ( 4 . 113 ); b) the control device ( 8th . 11 . 61 ) a substantially horizontally oriented, speed controllable discharge screw ( 8th . 111 ) with a in the Absackstutzen ( 17 . 19 . 32 . 32 ' . 32 '' ) opening output ( 16 ); and c) between weighing containers ( 6 . 110 ) and discharge screws ( 8th . 111 ) a transition piece ( 112 ) is arranged. Bagging device according to one of claims 1 to 4, characterized in that the hand lever valve, an ejection cylinder ( 201 ), to which a valve stem ( 202 ) follows. Bagging device according to claim 1, characterized in that a side packer ( 33 ) with a blower grate ( 211 ) is provided, which is driven by means of a three-phase motor, with only positive amplitudes on the swirl grate ( 211 ) are effective. Bagging device according to claim 1, characterized that the foot switch with an electric switch and / or a Pneumatic valve is provided.