US3503532A - Apparatus for mixing and automatically emptying cases of fibers or textile materials - Google Patents

Apparatus for mixing and automatically emptying cases of fibers or textile materials Download PDF

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Publication number
US3503532A
US3503532A US706862A US3503532DA US3503532A US 3503532 A US3503532 A US 3503532A US 706862 A US706862 A US 706862A US 3503532D A US3503532D A US 3503532DA US 3503532 A US3503532 A US 3503532A
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US
United States
Prior art keywords
apron
case
carriage
textile materials
fibers
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
US706862A
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English (en)
Inventor
Pierre Hubert Marie Jos Bouhon
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.)
Societe Anonyme des Ateliers Houget Duesberg Bosson
Original Assignee
Societe Anonyme des Ateliers Houget Duesberg Bosson
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 Societe Anonyme des Ateliers Houget Duesberg Bosson filed Critical Societe Anonyme des Ateliers Houget Duesberg Bosson
Application granted granted Critical
Publication of US3503532A publication Critical patent/US3503532A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G7/00—Breaking or opening fibre bales
    • D01G7/04—Breaking or opening fibre bales by means of toothed members
    • 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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for

Definitions

  • This invention relates to an apparatus for mixing and automatically emptying cases of fibers or textile materials.
  • textile materials areof course stored together in cases into which they are usually introduced by a pneumatic conveying device terminating in a simple pipe, such as a cyclone, an autogyrator or other dispersing devices.
  • a pneumatic conveying device terminating in a simple pipe, such as a cyclone, an autogyrator or other dispersing devices.
  • the purpose of the cases is either to obtain a homogeneous mixture of various constituents of a lot by transference of materials from one case to another, or to store the materials while awaiting the next operation. Since the material is originally deposited on the case in horizontal layers, in order for the material to be intimately mixed it is important that they be removed in vertical layers.
  • the emptying is often carried out by operating personnel. They use a fork to empty the case and throw the material into a suction inlet; the materal is conveyed to the required place via an assembly comprising a tube and a fan.
  • Another apparatus is also used in which for emptying the material, the apron forming the bottom of the case moves synchronously with the rear back wall so as to push the material against a vertical spiked apron.
  • the apron is driven upwards, so that it can remove the material vertically;
  • disposed above the apron is a detaching roller or comb which takes the material off the spikes and sends it on its way to the pneumatic conveying system.
  • the known apparatus therefore satisfactorily achieves its aim-i.e., to remove the material in vertical layersbut it has the disadvantage of being extremely expensive, since the whole construction of the case must be subordinated to this aim.
  • the apparatus according to the invention is mainly characterized in that it is formed by a vertical or substantially vertical spiked apron with which a comb or detaching cylinder cooperates, and the assembly is mounted on a carriage or moving frame which moves forward into the case as the case is emptied by the apron.
  • FIG. 1 is a diagrammatic elevation view showing the whole apparatus
  • FIGS. 2 and 3 are a diagrammatic elevation and plan views respectively showing an apparatus for removing material from between the apron and the side walls of the case;
  • FIG. 4 is a section on an enlarged scale of the front right-hand corner of FIG. 3;
  • FIGS. 5 and 6 are diagrammatic views showing various mechanical drives, inter alia for driving the apron and moving the carriage, and
  • FIG. 7 shows a variant in which the carriage can move laterally.
  • the apparatus according to the invention is formed by a spiked endless apron 4 which is slightly inclined from the the vertical and is mounted on a mobile frame 5 moving by means of wheels 6 over rails 7 (FIG. 1).
  • the apron 4 which is slightly narrower than the case to be emptied, is driven upwardly at the side of the material via a step-down gearing 11 (FIG. 5).
  • the speed of the apron can if necessary be altered by changing the chain wheel on the step-down gearing 11.
  • the apparatus moves slowly into the case with its front to meet the material.
  • the spiked apron removes the material in vertical layers, thus mixing the various components together.
  • the carriage is moved forward via a step-down gearing 16 (FIGS. 5 and 6), which controls via a crank and rod device 17 a pawl wheel 18 connected via a chain to the train of wheels 6 of the carriage 5 or mobile frame.
  • the number of teeth engaging with the pawl wheel 18 determines the speed of forward movement of the carriage.
  • a double clutch 19 (forward travel)20 backward travel) (FIG. 6) automatically reverses the direction of movement of the carriage to return it at increased speed to its starting position.
  • the forward travel pawl wheel is then disengaged, while the rapid return drive (2 meters per minute) of the carriage is engaged.
  • the direction of movement of the carriage can be reversed at any time during its movement through the case, by means of a manual control button disposed on the rear of the carriage.
  • a regulatable spring device 23 mounted in the pawl rod 17 of the device for forward movement acts as a mechanical safeguard in case the material should exert abnormal pressure on the rising apron. At such a time, the pawl for forward movement would remain in place and cause no displacement; the drive rod would be lengthened to compress the spring.
  • the material is removed from the apron by a comb or detaching cylinder 8 (FIG. 2) driven via a pulley-beltchain system and a chain wheel 12 (FIG. 6) from a separate motor 13 (FIG. 5); the material drops through a funnel 9 onto a transverse collecting apron 14 driven via a step-down gearing 15; the speed of the apron can be varied by changing the chain wheel on the step-down gearing 15.
  • the apron 14 conveys the material to a suction inlet 3 (FIG. 1) connected via telescopic or resilient and fiexible passage 10 (FIG. 1) to the conduit 30 for evacuating the material.
  • a sheet metal plate 25 which is inclined like the apron 4 and disposed along its two edges acts as a scraper which brings the maximum material from the walls 31 (FIG. 4) to the spikes of the apron 4 (FIG. 4).
  • suction pipe 26 transversely reciprocating (FIG. 2) over the entire width of the case and which is connected to the suction inlet 3 (FIG. 1).
  • FIG. 3 shows the resulting transverse sweeping zone Z.
  • a further feature of the apparatus according to the invention which affords corresponding advantages is that the apparaus can move laterally and thus be used for emptying a number of cases.
  • the cases are closed by a wall which is removed or opened when the emptying apparatus is to go into action.
  • An apparatus for mechanically emptying a stationaly case containing textile materials which are stored therein, in horizontal layers comprising a movable carriage positioned to advance into said case and to be withdrawn therefrom, a spiked endless apron occupying a substantially vertical position mounted on said carriage for penetrating into the textile materials and removing vertical layers thereof, a detaching member mounted on said carriage at the upper portion of said apron for cooperating with the apron to remove the material therefrom, evacuating means on said carriage beneath the detaching member for receiving the textile materials therefrom, means for progressively moving the carriage into the case, clutching means for reversing the direction of movement of the carriage, and means carried on said carriage proximate said apron for removing material between the apron and the side Walls of the case during advance of the carriage into the case.
  • said means for removing material between the apron and the side walls of the case comprises a pair of plates which are inclined in the same plane as the apron and disposed between the side walls and the apron to constitute scrapers to bring material from the walls of the case to the spikes of the apron, and a suction channel behind each scraper and parallel therewith and having slots for pneumatically evacuating textile material sticking to the sides of the case.
  • An apparatus comprising a suction pipe behind the spiked inclined apron and adapted for transverse reciprocal movement for removing the material remaining on the bottom of the case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
US706862A 1967-02-20 1968-02-20 Apparatus for mixing and automatically emptying cases of fibers or textile materials Expired - Lifetime US3503532A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE39991 1967-02-20

Publications (1)

Publication Number Publication Date
US3503532A true US3503532A (en) 1970-03-31

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US706862A Expired - Lifetime US3503532A (en) 1967-02-20 1968-02-20 Apparatus for mixing and automatically emptying cases of fibers or textile materials

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US (1) US3503532A (is")
BE (1) BE694327A (is")
NL (1) NL6705591A (is")

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117571A (en) * 1977-02-18 1978-10-03 Prather Jimmy F Method of feeding cotton to a gin
US4202079A (en) * 1977-02-18 1980-05-13 Prather Jimmy F Cotton gin feeding system
EP0213795A3 (en) * 1985-08-10 1988-01-07 Haigh-Chadwick Limited Control method and apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854099A (en) * 1931-02-20 1932-04-12 Proctor & Schwartz Inc Voluminal feeder for fibrous materials
US2700478A (en) * 1947-08-29 1955-01-25 Int Harvester Co Ensilage removing mechanism for mechanized dairy establishments
US3166797A (en) * 1962-09-18 1965-01-26 Jr Mayer Mayer Fiber bale opener and blender

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854099A (en) * 1931-02-20 1932-04-12 Proctor & Schwartz Inc Voluminal feeder for fibrous materials
US2700478A (en) * 1947-08-29 1955-01-25 Int Harvester Co Ensilage removing mechanism for mechanized dairy establishments
US3166797A (en) * 1962-09-18 1965-01-26 Jr Mayer Mayer Fiber bale opener and blender

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117571A (en) * 1977-02-18 1978-10-03 Prather Jimmy F Method of feeding cotton to a gin
US4202079A (en) * 1977-02-18 1980-05-13 Prather Jimmy F Cotton gin feeding system
EP0213795A3 (en) * 1985-08-10 1988-01-07 Haigh-Chadwick Limited Control method and apparatus
US4827424A (en) * 1985-08-10 1989-05-02 Haigh-Chadwick Limited Method and apparatus for controlling the operation of a spiked sheet advancing relatively to a compactable mass

Also Published As

Publication number Publication date
BE694327A (is") 1967-07-31
NL6705591A (is") 1968-08-21

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