US3889727A - Fitting device - Google Patents

Fitting device Download PDF

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Publication number
US3889727A
US3889727A US401713A US40171373A US3889727A US 3889727 A US3889727 A US 3889727A US 401713 A US401713 A US 401713A US 40171373 A US40171373 A US 40171373A US 3889727 A US3889727 A US 3889727A
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US
United States
Prior art keywords
guide
filling
shells
filling tube
hopper
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 - Lifetime
Application number
US401713A
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English (en)
Inventor
Willem Krul
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.)
HALK BV
Original Assignee
HALK 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 HALK BV filed Critical HALK BV
Application granted granted Critical
Publication of US3889727A publication Critical patent/US3889727A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/08—Methods of, or means for, filling the material into the containers or receptacles by vibratory feeders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves

Definitions

  • ABSTRACT [51] Int. Cl B65b 1/04; B65b 3/04 A bag filling tube having guide shell means for facilil l Field Of Search 31 l-313, tating fixing of the bag nozzle around the filling tube,
  • said guide shell means being adapted to perform a con- 53/255, 258, 261 verging movement below the nozzle of the filling tube by making a swivelling movement in combination with [56] References Clled a descending movement.
  • the invention relates to a device for fitting a valve bag onto a filling tube provided with operable clamping means adapted to clamp the bag around the filling tube in the filling position.
  • a drawback of the known devices of this type is that the rapid and tightly fitting application of the valve of a bag around the nozzle presents difficulties because in that case the opening of the bag may only be slightly larger than the outer circumference of the nozzle. When the valve of the bag is widened, there will be an increase in dust development and leaking of the filling material.
  • the device according to the invention is provided with oppositely disposed bag guide shells engaging the filling tube end, said shells being adapted to execute an interdependent movement consisting in a translation in axial direction of the filling tube and in a rotation in relatively opposite directions.
  • the bag valve which is only slightly wider than the outer circumference of the filling tube, can be easily slid over the closely spaced ends of the guide shells, after which said shells are forced to execute such a movement that, together with the bag valve, they can be brought in tight fit with the filling tube.
  • the valve bag In this retracted position of the guide shells, the valve bag can be clamped with known clamping means. Due to the close fit of the valve around the filling tube, no filling material is lost during filling, while also the development of dust is minimized.
  • the movement of the guide shells can be controlled by pin and groove guides, there being present for each shell two at least partly non-parallel guide grooves.
  • the invention also provides a vibratory mechanism which by vertical vibration prevents bridging in the material and is rationally constructed.
  • FIG. 1 is a front view of the device
  • FIG. 2 is a side view of the device shown in FIG. 1 and FIG. 3 is a side view of the device according to the invention provided with a vibratory mechanism in which the guide shells are not shown.
  • the drawing shows a base plate 1 provided with guide grooves 6 and 6' wherein slide pins 7 and 7 of two slide blocks 2 may slide.
  • two guide shells 3 which are fixedly connected with the slide blocks 2 by means of fixing pieces 8, can each perform only one specific movement which is indicated by dash lines 9.
  • the two guide shells 3 each rotate about the longitudinal axis of a slide pin 7, said pins 7 simultaneously performing a rectilinear movement perpendicular to their longitudinal axes parallel to the longitudinal axis of a filling tube 5.
  • the two guide shells shut off the bottom end of the filling tube 5, while the guide shells also form a downwardly tapering guide around which a valve of a valve bag can be easily slid.
  • a switch can then be operated which actuates for instance an air cylinder connected to the slide blocks 2 by means of a draw and push rod 4.
  • the bag guide shells will perform the specific movement consisting in a rotation and a translation, so that the valve of the valve bag is drawn closely fitting around the bottom end of the filling tube without damaging the valve or the bag.
  • valve In the retracted position of the guide shells shown by a dash line 10 the valve can be clamped against the shells by any suitable clamping means, such as a pair of pneumatic clamps shown schematically at 22 in the drawings after which the valve bag will be filled via the filling tube without escape of filling material or dust development.
  • any suitable clamping means such as a pair of pneumatic clamps shown schematically at 22 in the drawings after which the valve bag will be filled via the filling tube without escape of filling material or dust development.
  • the filling apparatus shown in FIG. 3 is provided with a hopper 11 and a filling tube 13 interconnected by means of a flexible sleeve 12. At the filling tube 13 there is provided a spout 14 to which a valve bag can be clamped, e.g., pneumatically.
  • a drive motor 16 is connected to the hopper 11 by means of a rigid plate, said plate being connected to filling tube 13 via parallelly guiding leaf springs 19.
  • the motor 16 can bring the filling tube 13 in axial movement relative to the hopper 11 by means of a crank 20 and a connecting rod 18.
  • an adjustable plate 15 In the hopper 11 there is disposed an adjustable plate 15, the adjustment of which depends on the nature of the filling material.
  • the filling apparatus is suspended by means of resilient rubber blocks 17.
  • a filling machine for filling valve bags with quantities of materials comprising a vertically disposed filling tube having a nozzle piece at the lower end thereof,
  • guide shell mounting means for guiding said guide shells in a movement that is both vertical and pivotal between a lower position wherein said shells are inclined relative to each other with their lower ends converging below said filling tube nozzle, and an upper position wherein said shells are in spaced, substantially parallel relation to each other and to said filling tube and closely encircle said tube.
  • said guide shell mounting means comprise a pair of nonparallel guide grooves for each of said guide shells, and a pair of pins operatively connected to each of said guide shells for guided movement in said guide grooves.
  • a filling machine as recited in claim 2 further comprising a hopper, means for flexibly connecting said hopper to said filling tube, and means for moving said filling tube with respect to said hopper, said means including a crank drive mechanism carried by said hopper.
  • a filling machine as recited in claim 1 further comprising clamping means for clamping a valve bag to said filling nozzle when said guide shells are in their upper position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
US401713A 1972-09-29 1973-09-28 Fitting device Expired - Lifetime US3889727A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7213194A NL7213194A (enExample) 1972-09-29 1972-09-29

Publications (1)

Publication Number Publication Date
US3889727A true US3889727A (en) 1975-06-17

Family

ID=19817036

Family Applications (1)

Application Number Title Priority Date Filing Date
US401713A Expired - Lifetime US3889727A (en) 1972-09-29 1973-09-28 Fitting device

Country Status (3)

Country Link
US (1) US3889727A (enExample)
BE (1) BE805337A (enExample)
NL (1) NL7213194A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6138723A (en) * 1999-01-08 2000-10-31 Binder & Co. Ag Filling arrangement
US20080023104A1 (en) * 2006-02-15 2008-01-31 Steinweg Paul S Funnel
CN107150828A (zh) * 2017-06-25 2017-09-12 湖北省鹤峰鑫农茶业有限公司 手工灌装茶叶使用的茶斗
CN112224546A (zh) * 2020-09-24 2021-01-15 安徽华宇机械制造有限公司 一种用于粮食装袋的支撑固定装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US632175A (en) * 1898-08-10 1899-08-29 David S Cook Bag or sack holder.
US1007358A (en) * 1911-02-02 1911-10-31 Pneumatic Scale Corp Bag or liner spreading device.
US3257040A (en) * 1964-07-09 1966-06-21 Carrier Mfg Co Counterbalanced vibratory hoppers
US3498344A (en) * 1965-06-05 1970-03-03 Haver & Boecker Apparatus for filling bags with preweighed quantities of material
US3750721A (en) * 1971-08-18 1973-08-07 Olinkraft Inc Expanding fill spout for bag filling machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US632175A (en) * 1898-08-10 1899-08-29 David S Cook Bag or sack holder.
US1007358A (en) * 1911-02-02 1911-10-31 Pneumatic Scale Corp Bag or liner spreading device.
US3257040A (en) * 1964-07-09 1966-06-21 Carrier Mfg Co Counterbalanced vibratory hoppers
US3498344A (en) * 1965-06-05 1970-03-03 Haver & Boecker Apparatus for filling bags with preweighed quantities of material
US3750721A (en) * 1971-08-18 1973-08-07 Olinkraft Inc Expanding fill spout for bag filling machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6138723A (en) * 1999-01-08 2000-10-31 Binder & Co. Ag Filling arrangement
US20080023104A1 (en) * 2006-02-15 2008-01-31 Steinweg Paul S Funnel
CN107150828A (zh) * 2017-06-25 2017-09-12 湖北省鹤峰鑫农茶业有限公司 手工灌装茶叶使用的茶斗
CN112224546A (zh) * 2020-09-24 2021-01-15 安徽华宇机械制造有限公司 一种用于粮食装袋的支撑固定装置

Also Published As

Publication number Publication date
BE805337A (nl) 1974-01-16
NL7213194A (enExample) 1974-04-02

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