CA1260443A - Universal equipment for filling valve bags - Google Patents

Universal equipment for filling valve bags

Info

Publication number
CA1260443A
CA1260443A CA000499184A CA499184A CA1260443A CA 1260443 A CA1260443 A CA 1260443A CA 000499184 A CA000499184 A CA 000499184A CA 499184 A CA499184 A CA 499184A CA 1260443 A CA1260443 A CA 1260443A
Authority
CA
Canada
Prior art keywords
filling
bag
equipment
erecting
beak
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000499184A
Other languages
French (fr)
Inventor
Loek J. Dekker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BATES CEPRO BV
Original Assignee
BATES CEPRO BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BATES CEPRO BV filed Critical BATES CEPRO BV
Application granted granted Critical
Publication of CA1260443A publication Critical patent/CA1260443A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/262Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks opening of valve bags

Abstract

A B S T R A C T

Equipment for erecting, filling and sealing valve bags, particular-ly for dangerous materials, with which no personnel has to come near the machine, having a filling device which is provided with an obliquely mounted turntable carrying an even number of filling tubes diametrally to the centre line, each extending substantially horizontally in the erected position and substantially vertically in the filling position.

Description

~260443 The present invention relates to universal equipment for erecting, filling and sealing valve bags, comprising a bag storage magazine, a bag supply device, a device provided with a beak for opening and forming the valve, an erecting device for 5 transferring the empty bag off the beak to a filling tube of a filling device,and a sealing device for sealing the valve.

The present invention provides equipment for completely automatically filling and sealing both paper and plastic valve bags in various embodiments, i.e. sealed, as well as glued, block bottom and sowed, and with various filling systems, both induced by gravity (filling tube), with air transport or mechanical transport (e.g. a propeller). ~y applying single or multi-walled sealed plastic valve bags, so-called sole-bags or pinch-bottom valve bags respectively, a completely sealing packing is obtained, complying with Bundesbahn, UN specifications respec-tively, for granular or powered products up to hazard class 8 (Caustic soda NaOH and the like). Particularly the fact that during fllling no personnel has to come near the machine is an important advantage of the present invention.

According to the present invention there is provided equipment for erecting and filling valve bags, comprising a bag supply device, a device provided with a beak for opening and forming the valve, and an erecting clamp for transferring the empty bag from the beak to a filling tube of a filling device, in which the beak is supported in a beak frame and is displaceable ln three mutually perpendicular planes in order to transfer the bag to the erecting clamp which is reciprocable in an erecting clamp vertical plane, the filling device is provided wlth a : turntable which can be rotated by a filling tube position-chang-ing device about a centre line being at an angle in the order of 45 to the horizontal in a filling tube vertical plane of the equipment, said turntable carrying two or a multiple of two fill-~: 35 ing tubes mounted diametrally to the center line each filling A tube extending substantially horizontally in the erected position , ..

. ~ .
~ . ;
: :
, -and substantially vertically in the filling position, and a seal-ing device is provided for sealing the valve.
Thus, accordingly the present invention provides ~ - la -:. .

' '~

~260~43 tha~ tho fill~ng ~v ~c is previdcdwi~h a turntable which can be rotated by a a filling tube position-changing device about a centre line enclosing an angle in the order of 45 to the horizon-tal in a filling tube perpendicular plane of the equipment, said turntable carrying two or a multiple of ~wo filling tubes, each fillng tube extending substantially horizontally in the erected position and substantially vertically in the filling position.

With said measure, a gain o time is obtained in the working of the equipment, since it is as if an interim station has been put between erecting and filling. In view of processing substances which are health-hazardous, it is also of major importance that the filling opening is as good as only open if a bag is suspended from the filling tube. In the invented equipment, this moment only occurs when the bag is released and the moment when the turntable rotates, during which it is of major importance that the filling opening is sealed by the disc.

Preferably the turntable and a substantially equally large stationary disc are rollingly associated and adjacent to a supply tube a seal has been applied in the stationary disc which fric-tionally engages the turntable.

The beak of the erecting device in plan view is adapted to follow a substantially rectangular path, wherein it remains constantly parallel to itself. m is can be attained due to the fact that the beak has been unted in a beak frame and is displaceable in three mutually perpendicular planes in order to transfer the bag to the erection clamp which is reciprocable in the erection clamp perpen-dicular plane.

Preferably the sealing device is provided with a sealing memberhaving a discharge valve. m e filling device can also be provided with a bag seat, the bottom of which encloses an angle to the lZ60~
horizontal, and if the discharge valve slopes downwardly towards a bag discharge chute, a shunting hill-resembling device ls obtained which causes the filled bags to come out on account of the gravity.

In an efficient embodiment the filllng tube perpendicu-lar plane encloses an angle of about 30 to an erection clamp perpendicular plane of the erecting device. With thls measure, space-saving of the entire equipment is obtained.
The present invention will be further illustrated by way of the accompanying drawing, in which a number of embodiments of equlpment accordlng to the invention is shown, and in which:-Fig. 1 illustrates a schematic slde view of the equip-ment except for the sealing device;

Flg. 2 illustrates a schematic plan view of the equip-ment of Fig. 1 but then inclusive of the sealing device;
Fig. 3 shows a cross-section accordlng to the line III-III of Fig.s 2 and 4;
I

Fig. 4 illustrates a cross-section according to the line IV-IV of Flg. 3;

Flg. 5 illustrates a cross-section according to the line V-V of Fig. 4;

Fig.s 6A and B illustrate a slde view of two embodi-ments of the filling device; and Fig. 7 illustrates a view of the sealing dcvice in the directlon of the arrows VII-VII of Fig. 2.

: ' ' , ' .,, ' .
' "' ' ' - . ' '' The e~uipment shown in the drawlng consists of a bag supply device 100 for supplying empty bags from a bag storage magazine, a device 200 for opening and forming the bag, an erecting device 300 for transferring an empty bag to a filling device 400, a sealing device 500 for sealing the valve of a filled bag, and a bag-ejecting device.

The bag supply device 100 is generally illustrated by figures 1 and
2, while a few details have been made visable in a larger scale in figures 3 and 4.
In figures 1 and 2 the empty bags are supplied from a roll R, but this can also be replaced by another known supply of empty bags, e.g. a supply in packages. Since this is not important to the invention, the matter has not been entertained any further.
m e bag supply device 100 is provided with a supply upper belt 1 and a supply lower belt 6 between which the empty bags in figures 1 - 3 are supplied from the left to the right and in fig. 4 from the top to the bottom.
The supply upper belt 1 is supported in the lower section by a slidlng table 5 and moves about a turning roller 3 and a hold-down roller 3 loaded by a hold-down cylinder 2.

The hold-down cylinder 2 through a cylinder hinge 8 rests on a frame 7 also supporting a linear cylinder unit 9 and a straigh-guide 10 of the device 200 for opening and forming the valve.

The supply lower belt 6 moves according to fig. 3 about a turning driving roll driven by for example an electro motor 22. m is puts the empty bags on a table 21, with which they are guided by a guiding means 23, and a photo cell 12 situated above the table 21 is activated.

, . .

126044;~

In the table 21, a stationary vacuum bowl 20 has been incorpo-rated which can cooperate with a movable upper vacuum bowl 14 being connected to a cylinder 13 for reciprocating said vacuum bowl. This is operated by the photo cell 12 mentioned before.

The device 200 for opening and forming the valve substantially consists of a beak 19 mounted ona supporting frame 17. The beak 19 is reciprocable by a beak cylinder 15 along vertical straight guides 18 in the supporting frame 17. The supporting frame 17 itself is reciprocable in a straight line in the direction of the side centre line of the equipment through a straight guide/
drive 16 (fig. 3).

So the beak 19 is stuck into the valve of the bag and subsequently moves from the left to the right over the straight guide 10.

The erection device 300 consists in figures 4 and 5 of an erection clamp 24 having been mounted on a straight guide/drive 25 in order to transfer the bag in an erection clamp perpendicular plane A ~fig. 2 and 4) to a filling tube 31/32 of the filling device 400, wherein a curve roll 27 connected to the erection clamp and a curve t~ack 26 attached to the frame 7 cooperate in order to twist the valve before it is stuck onto the filling pipe. The erection clamp 24 consists of a bag support or underframe 28 supporting the bag during the erection movement and which is provided with a drive 29 for performing its sealing movement. The upper portion of the erection clamp is provided with a similar drive 30.

The filling device 400 shown in fi.g 6A has two filling tubes 31 and 32 which through connecting flanges 33 are connected to a turntable 38 to be rotated by a drive 40, said turntable being rollingly associated to a s~ationary disc 37 which has been connected to a chute tube flange 35. A seal (not shown) has been ..
,~.

.~".

, ~26044~1 mounted about the outlet of the chute tube, said outlet fric-tionally engaging the turntable 38. The chute tube flange 35 can be connected through a corresponding flar.ge 36 to any chute tube 39.
It is also possible to connect the stationary disc 37 through a connecting option 34 indicated by a dotted line to another filling system 45.

The filling tubes 31and32 point, due to a filling tube position-changing device ~not shown) alternately substantially horizontally ln the erection position and substantially vertically in the filling position. The fact that there are two filling tubes results in a gain of time during filling. Also the passage through the stationary disc 37 and the turntable 38 is as good as only open if a bag is suspended from the filling tube 31 and 32. This is a matter of switch technology which is not further elucidated in this application.

m e rotation centre line L of the turntable 38 lies in fig. 6A in a perpendicular plane B ~fig. 2) and encloses an angle with respect to the horlzontal H. The angle preferably is in the order of 45. In the straight filling tubesoffig. 6A the filling tube perpen-dicular plane B will coincide with the erection clamp perpendicular plane A of the erection device 300.

of an embodiment in which the filling tube clamp plane B encloses an angle in the order of 30 to the erection clamp perpendicular plane A ~fig. 2), it can be expected that it will render some space-saving for the equipment as a whole. Then it is necessary to execute the filling tubes 31/32 in the manner shown in fig. 6B.
In fig. 6B the filling tube 31/32 is connected through a rubber bellows with a ring clamp 42 and on the portion between the ring clamp 42 and the connecting flange 33 a branch conduct 43 for the bellows and a suction conduit is connected.

~26044-:3 The closing device 500 shown in fig. 7 consists of a vibrating unit 46 being mounted under a bottom 47 of a bag seat Z which supports the bag in a bag seat frame 52 during filling through the filling tube 31/32.
s m e bag seat z furthermore has a side 49 and a bag bottom support 50 and the entire construction is reciprocable by means of straight guide/drive 48. During its descent the bag, and thus also the valve thereof, is cleared from the filling tube. In order to be able ta automatically empty the bag in case of wrong filling, a cylinder 51hasbeen mounted which operates the bottom lid of the bag seat.

A transport clamp 57 with pertaining drive cylinder 56 and straight guide 58 transfers the filled bag to a sealing member S, where the valve can be sealed in any manner, e.g. ultrasonic welding, heatsealing or hotmelt.

A plate 47a prevents a filled and sealed bag to slide back into the bag seat Z after said bag has been released by the transport clamp 57.
I

In fig. 7 the sealing part S consists of a welding horn/anvil 59 with pertaining cutting device, welding unit 61 respectively. The sealed bag then rests on a discharge valve 54 of a bag ejecting device which is tiltable by a discharge valve 53 in the direction of a bag discharge chute 60. When processing health-ha7ardous substances it is useful to cover the sealing part S by a protective plate 55.
m us thesealing deviceSOOhas between the bag seat Z and the sealing partS a shunting hill-resembling devicecausing thesealedbags to come out on account of the gravity.

Claims (5)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. Equipment for erecting and filling valve bags, com-prising a bag supply device, a device provided with a beak for opening and forming the valve, and an erecting clamp for trans-ferring the empty bag from the beak to a filling tube of a fill-ing device, in which the beak is supported in a beak frame and is displaceable in three mutually perpendicular planes in order to transfer the bag to the erecting clamp which is reciprocable in an erecting clamp vertical plane, the filling device is provided with a turntable which can be rotated by a filling tube position-changing device about a centre line being at an angle in the order of 45° to the horizontal in a filling tube vertical plane of the equipment, said turntable carrying two or a multiple of two filling tubes mounted diametrally to the center line each filling tube extending substantially horizontally in the erected position and substantially vertically in the filling position, and a sealing device is provided for sealing the valve.
2. Equipment as in claim 1, in which the turntable is supported by means of rollers in relation to a substantially equally large stationary disc and adjacent to a supply tube a seal is provided in the stationary disc which frictionally engages the turntable.
3. Equipment as in claim 1, in which the sealing device is provided with a sealing portion having a discharge valve.
4. Equipment as in claim 3, in which the filling device is provided with a bag seat, the bottom of which is at an angle to the horizontal, and the discharge drop door slopes down-wardly towards a bag discharge chute when in its discharging position.
5. Equipment as in claim 1, 2 or 3, in which the fill-ing tube vertical plane is at an angle of about 30° to an erec-tion clamp vertical plane of the erecting device.
CA000499184A 1985-01-10 1986-01-08 Universal equipment for filling valve bags Expired CA1260443A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8500052 1985-01-10
NL8500052A NL8500052A (en) 1985-01-10 1985-01-10 UNIVERSAL INSTALLATION FOR FILLING VALVE BAGS.

Publications (1)

Publication Number Publication Date
CA1260443A true CA1260443A (en) 1989-09-26

Family

ID=19845347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000499184A Expired CA1260443A (en) 1985-01-10 1986-01-08 Universal equipment for filling valve bags

Country Status (8)

Country Link
EP (1) EP0187689B1 (en)
JP (1) JPS61164901A (en)
AT (1) ATE33234T1 (en)
CA (1) CA1260443A (en)
DE (1) DE3660110D1 (en)
DK (1) DK158082C (en)
NL (1) NL8500052A (en)
NO (1) NO161548C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63248603A (en) * 1987-03-26 1988-10-14 四国化工機株式会社 Liquid filler
ATE394214T1 (en) * 2001-02-15 2008-05-15 Greif Velox Maschf Gmbh METHOD AND DEVICE FOR FORMING AND/OR CLOSING A PACKAGING UNIT
AT7676U1 (en) * 2003-06-11 2005-07-25 Wolfgang Ing Lindner MOBILE BAG FILLING AND METHOD OF OPERATION

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2056678A1 (en) * 1970-11-18 1972-05-25 Haver & Boecker, 4740 Oelde Filling device with vertical downpipe
DE2332845A1 (en) * 1973-06-28 1975-01-23 Mahlkuch Greif Werk Ernst Sack filling machine with vertical filling nozzle - to which empty sacks can be readily presented
JPS5394314A (en) * 1977-01-27 1978-08-18 Kyoto Ceramic Method of obtaining sintered silicon carbide of high density from polycarbosilane
JPS5721510U (en) * 1980-07-08 1982-02-04
FR2504494B1 (en) * 1981-04-24 1985-10-18 Bates Ventilsaekke APPARATUS FOR POSITIONING VALVE BAGS ON A FILLER
DK153679C (en) * 1981-11-30 1988-12-27 Smidth & Co As F L PROCEDURE FOR FILLING POWDER-SHAPED MATERIAL IN VALVE BAGS AND MACHINE FOR EXERCISING THE PROCEDURE

Also Published As

Publication number Publication date
EP0187689B1 (en) 1988-03-30
NL8500052A (en) 1986-08-01
NO860044L (en) 1986-07-11
DE3660110D1 (en) 1988-05-05
ATE33234T1 (en) 1988-04-15
JPS61164901A (en) 1986-07-25
NO161548C (en) 1989-08-30
EP0187689A1 (en) 1986-07-16
DK158082B (en) 1990-03-26
DK158082C (en) 1990-09-10
JPH0536281B2 (en) 1993-05-28
NO161548B (en) 1989-05-22
DK12786A (en) 1986-07-11
DK12786D0 (en) 1986-01-10

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Legal Events

Date Code Title Description
MKEX Expiry