US3092238A - Tray for mixing mills - Google Patents

Tray for mixing mills Download PDF

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Publication number
US3092238A
US3092238A US840947A US84094759A US3092238A US 3092238 A US3092238 A US 3092238A US 840947 A US840947 A US 840947A US 84094759 A US84094759 A US 84094759A US 3092238 A US3092238 A US 3092238A
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US
United States
Prior art keywords
tray
carriage
rollers
mill
mixing
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
US840947A
Inventor
Preiss Werner
Fromandi Guido
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.)
Bayer AG
Original Assignee
Bayer AG
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Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
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Publication of US3092238A publication Critical patent/US3092238A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/44—Devices for emptying otherwise than from the top using reciprocating conveyors, e.g. jigging conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/584—Component parts, details or accessories; Auxiliary operations for mixers with rollers, e.g. wedges, guides, pressing means, thermal conditioning

Definitions

  • the present invention relates to an improved tray for mixing mills.
  • Trays are provided under the rolls of mixing mills, e.g. in the rubber and plastics industries, in order to collect the fillers falling through the nip during the mixing procedure.
  • the main work of the mill operator consists in sweeping these fillers forward together in the tray and to feed them again by means of a shovel.
  • This sweeping must be carried out while the operator is in a very stooped position and is consequently very tiring and time-wasting.
  • a so-called collector in the form of a wide conveyor belt which replaces the tray in collecting the fillers which have fallen through the nip and, conveys these fillers upwardly into the mill nip again at the back roll.
  • this arrangement has not proved satisfactory for various reasons and has not been exploited.
  • the present invention consists in that the tray of mixing mills is constructed as a vibratory conveyor and the fillers falling through the nip are constantly conveyed forwards into a collecting channel, from which they can easily be picked up by means of a shovel and re-fed.
  • the tray forms with the vibrator an assembly which can easily be moved in and out and which can be fixed in the operating position by clamping screws.
  • the current is supplied by cables and plugs.
  • the tray itself is advantageously made of polished stainless steel (V2A) sheeting.
  • FIG. '1 is an end elevation of the device.
  • FIG. 2 is a side elevation of the device.
  • the invention is illustrated in the acompanying diagrammatic drawing.
  • the tray 1 is set in vibration by means of a vibrator 2 and the fillers which have fallen through the mill nip 3 are conveyed into the collecting channel 4.
  • the assembly is locked in the operating position by the clamping screws 5, but can easily be moved out on the wheels 6 after releasing said screws.
  • a transversely extending tray mounted on a carriage for oscillatory movement with respect thereto, said tray and carriage being adapted to be inserted in the confined space directly beneath the rollers of said mixing mill, said tray having means defining a collecting channel at one end thereof, drive means for imparting oscillations to said tray causing it to carry out said oscillatory movements whereby material falling through the nip of said rollers is deposited on said tray and is conveyed therealong to said collecting channel for removal.

Description

June 4, 1963 w. PREISS ETAL TRAY FOR MIXING MILLS Filed Sept. 18, 1959 FIG. 7
FIG. 2
INVENTOR.
WERNER PRE/SS, GU/DO FROMANDI,
BY A2 ATTORNE Y6 United Sitates The present invention relates to an improved tray for mixing mills.
Trays are provided under the rolls of mixing mills, e.g. in the rubber and plastics industries, in order to collect the fillers falling through the nip during the mixing procedure. During the incorporation of fillers in powder form the main work of the mill operator consists in sweeping these fillers forward together in the tray and to feed them again by means of a shovel. This sweeping must be carried out while the operator is in a very stooped position and is consequently very tiring and time-wasting. For this reason, it has already been proposed to install under the rolls a so-called collector in the form of a wide conveyor belt which replaces the tray in collecting the fillers which have fallen through the nip and, conveys these fillers upwardly into the mill nip again at the back roll. However, this arrangement has not proved satisfactory for various reasons and has not been exploited.
The present invention consists in that the tray of mixing mills is constructed as a vibratory conveyor and the fillers falling through the nip are constantly conveyed forwards into a collecting channel, from which they can easily be picked up by means of a shovel and re-fed. The tray forms with the vibrator an assembly which can easily be moved in and out and which can be fixed in the operating position by clamping screws. The current is supplied by cables and plugs. The tray itself is advantageously made of polished stainless steel (V2A) sheeting.
FIG. '1 is an end elevation of the device.
FIG. 2 is a side elevation of the device.
atent ice The invention is illustrated in the acompanying diagrammatic drawing. The tray 1 is set in vibration by means of a vibrator 2 and the fillers which have fallen through the mill nip 3 are conveyed into the collecting channel 4. The assembly is locked in the operating position by the clamping screws 5, but can easily be moved out on the wheels 6 after releasing said screws.
We claim:
1. In a combination with a mixing mill having horizontally positioned mill rollers, a transversely extending tray mounted on a carriage for oscillatory movement with respect thereto, said tray and carriage being adapted to be inserted in the confined space directly beneath the rollers of said mixing mill, said tray having means defining a collecting channel at one end thereof, drive means for imparting oscillations to said tray causing it to carry out said oscillatory movements whereby material falling through the nip of said rollers is deposited on said tray and is conveyed therealong to said collecting channel for removal.
2. A combination according to claim 1, wherein said carriage is supported on Wheels.
*3. A combination according to claim 1, including means for maintaining said carriage in fixed position when in actual use.
4. A combination according to claim 3, wherein said fixing means are clamping screws.
5. A combination according to claim 1, wherein said tray is pivotally supported upon said carriage.
6. A combination according to claim 1, wherein said tray is connected to said carriage by means of rods, said rods being pivotally connected at one end thereof to said carriage and at the other end thereof to said tray.
References Cited in the file of this patent UNITED STATES PATENTS 1,820,239 Merz Aug. 25, 1931 2,342,116 EBroekhuysen 'Feb. 22, 1944 2,500,293 OConnor Mar. 14, 1950 2,725,984 Klemencic Dec. 6, 1955 2,859,853 Hermann Nov. 11, 1958

Claims (1)

1. IN A COMBINATION WITH A MIXING MILL HAVING HORIZONTALLY POSITIONED MILL ROLLERS, A TRANSVERSELY EXTENDING TRAY MOUNTED ON A CARRIAGE FOR OSCILLATORY MOVEMENT WITH RESPECT THERETO, SAID TRAY AND CARRIAGE BEING ADAPED TO BE INSERTED IN THE CONFINED SPACE DIRECTLY BENEATH THE ROLLERS OF SAID MIXING MILL, SAID TRAY HAVING MEANS DEFINING A COLLECTING CHANNEL AT ONE END THEREOF, DRIVE MEANS FOR IMPARTING OSCILLATIONS TO SAID TRAY CAUSING IT TO CARRY OUT SAID OSCILLATORY MOVEMENTS WHEREBY MATERIAL FALLING THROUGH THE NIP OF SAID ROLLERS IS DEPOSITED ON SAID TRAY AND IS CONVEYED THEREALONG TO SAID COLLECTING CHANNEL FOR REMOVAL.
US840947A 1958-10-27 1959-09-18 Tray for mixing mills Expired - Lifetime US3092238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF26903A DE1126588B (en) 1958-10-27 1958-10-27 Floor pan for mixing mills for processing rubber or plastics

Publications (1)

Publication Number Publication Date
US3092238A true US3092238A (en) 1963-06-04

Family

ID=7092208

Family Applications (1)

Application Number Title Priority Date Filing Date
US840947A Expired - Lifetime US3092238A (en) 1958-10-27 1959-09-18 Tray for mixing mills

Country Status (5)

Country Link
US (1) US3092238A (en)
DE (1) DE1126588B (en)
ES (1) ES252045A1 (en)
FR (1) FR1238187A (en)
GB (1) GB877287A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1820239A (en) * 1927-07-22 1931-08-25 Merz Karl Means for and method of compensating oscillating masses
US2342116A (en) * 1938-06-28 1944-02-22 Int Cigar Mach Co Vibrating feed for cigar machines
US2500293A (en) * 1944-06-09 1950-03-14 O Connor Patent Company Vibratory dump truck
US2725984A (en) * 1949-06-17 1955-12-06 Ludwig Binder & Co Vibratory conveyors
US2859853A (en) * 1955-05-25 1958-11-11 Herrmann Julius Loading device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR810266A (en) * 1935-12-04 1937-03-18 Dunlop Sa Further training in rolling mills and in particular in cylinder mixers used in the rubber industry

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1820239A (en) * 1927-07-22 1931-08-25 Merz Karl Means for and method of compensating oscillating masses
US2342116A (en) * 1938-06-28 1944-02-22 Int Cigar Mach Co Vibrating feed for cigar machines
US2500293A (en) * 1944-06-09 1950-03-14 O Connor Patent Company Vibratory dump truck
US2725984A (en) * 1949-06-17 1955-12-06 Ludwig Binder & Co Vibratory conveyors
US2859853A (en) * 1955-05-25 1958-11-11 Herrmann Julius Loading device

Also Published As

Publication number Publication date
ES252045A1 (en) 1960-01-01
DE1126588B (en) 1962-03-29
FR1238187A (en) 1960-08-05
GB877287A (en) 1961-09-13

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