US3536038A - Apparatus for removing excess coating material from strip edges - Google Patents

Apparatus for removing excess coating material from strip edges Download PDF

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Publication number
US3536038A
US3536038A US779581A US3536038DA US3536038A US 3536038 A US3536038 A US 3536038A US 779581 A US779581 A US 779581A US 3536038D A US3536038D A US 3536038DA US 3536038 A US3536038 A US 3536038A
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US
United States
Prior art keywords
strip
coating material
excess coating
strip edges
edges
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
US779581A
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English (en)
Inventor
James E Lecroy
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.)
United States Steel Corp
Original Assignee
United States Steel Corp
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 United States Steel Corp filed Critical United States Steel Corp
Application granted granted Critical
Publication of US3536038A publication Critical patent/US3536038A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D1/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
    • B23D1/20—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
    • B23D1/26—Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines for planing edges or ridges or cutting grooves

Definitions

  • I provide a beam extending across the path of the strip at a suitable point and mount for traversing movement along the beam a pair of carriages.
  • Each carriage has a guide roller thereon. adapted to engage a strip edge, and a cutting knife, carried on a counterweighted crank, eflective to remove excess coating material when brought against the strip edges.
  • Each carriage has a fluid-pressure cylinder and piston for moving it to its normal effective position and retracting it therefrom.
  • a pneumatic fragmentdisposal system has inlets adjacent the knives whereby whiskers removed from the strip edges are conducted to a collection receptacle.
  • FIG. I is a plan view and FIG. 2 is an elevation, of a portion of an electrolytic tinning line between the coating section and the melting section;
  • FIG. 3 is an elevation, from the right on FIG. 2;
  • FIG. 4 is an enlargement of a portion of FIG. 3;
  • FIG. 5 is a plan view corresponding to FIG. 4;
  • FIG. 6 is an elevation such as would be projected on the plane ofline Vl-Vl of FIG. 4;
  • FIG. 7 is a partial section taken along the line of plane such as would be seen by looking 7, VII-VII of FIG. 5.
  • strip S which has passed through the coating section of an electrolytic tinning line of known design, is delivered therefrom over an inspection roll 10 and downwardly past a guide roll I], both journaled in bearings (10a and Ila, respectively) columns.
  • a fabricated beam 13a rests on platform 13 and extends transversely of the path of strip S.
  • the beam has a web 14 and flanges l5.
  • Rails 16 extend along the outer surfaces of the flanges parallel to web 14.
  • a pair of spaced similar carriages 17 are adapted to travel along rails 16.
  • Each carriage includes a base plate 18 having a post 19 upstanding thereon.
  • Flanges 20 depending from opposite sides of the base plate have horizontal guide rollers 21 joumaled thereon for engaging the upper and lower edges of rails 16 and vertical rollers 22 for engaging the outer lateral faces of the rails.
  • a fluid-pressure cylinder and piston 23 resting on spaced angle bars 24 bridging flanges 15 of beam 13a, has its piston rod pivoted to an angle bracket 25 depending from the undersurface of base plate 18.
  • tube 32 has a pair of blocks 36, of suitable material, such as a phenol-formaldehyde resin, clamped thereto by screws 37 extending through holes in one and threaded into tapped holes in the other.
  • the adjacent faces of the blocks are recessed to accommodate the end of tube 31 and further to provide a slot 38 and a tool socket 39 (see FIGS. 4, 5 and 7) communicating therewith. It wiil be observed from FIGS. 4 and 7 that socket 39 is also in directly communicating relation to the adjacent open end of tube 31.
  • Blocks 36 as will shortly appear, form a tool-holding head at the inner end oftube 31.
  • a crank shaft 40 is journaled in the blocks 36 and has a crank arm 41 on which a counterweight 42 is slidably adjustable.
  • a stop pin 42a limits rotation of shaft 40 under the torque exerted by the counterweight.
  • a tool-holder block 43 extends downwardly from shaft 40 in socket 39 and has a cutting knife 44 secured thereto for engagement with the edge of Strip S under the pressure resulting from the torque applied to shaft 40 by the counterweight. Excess material scraped from the strip edge by knife 44 is highly fragmented and is readily picked up in the airstream entering the end of tube 32.
  • Brackets 45 depending from blocks 36 support a shaft 46 bridging them and a roller 47 joumaled on the shaft is adapted to engage the strip edge, as shown in FIG. 4, as the carriage is moved toward it. It will be understood that when the strip is traveling between posts 12 and over rolls I0 and II, the carriages may be moved into cooperative relation with the strip edges (FIG. 3) by controlling the admission and exhaust of power fluid to and from cylinders 23. If lateral weave of the strip is substantial, known means may be provided to cause the carriages to maintain continuously the proper cooperative relation with the strip edges.
  • the invention provides simple yet effective means for scraping excess coatremoved, pneumatically to a suitable point of collection.
  • An apparatus for removing excess coating material from an edge of a strip which travels along a predetermined path comprising a support extending in a direction parallel with the width of the strip and adjacent to the path thereof, a carriage mounted on said support and movable toward and away from the strip path, a yoke mounted on said strip path, a head supported adapted to receive the'edge of the strip, a knife movably mounted on said head for engagement with the edge of the strip, means connected with said knife urging it towards the edge of the strip and said exhaust tube being positioned adjacent said knife whereby to receive the excess coating material removed by the knife.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Coating With Molten Metal (AREA)
  • Paper (AREA)
US779581A 1968-11-27 1968-11-27 Apparatus for removing excess coating material from strip edges Expired - Lifetime US3536038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77958168A 1968-11-27 1968-11-27

Publications (1)

Publication Number Publication Date
US3536038A true US3536038A (en) 1970-10-27

Family

ID=25116889

Family Applications (1)

Application Number Title Priority Date Filing Date
US779581A Expired - Lifetime US3536038A (en) 1968-11-27 1968-11-27 Apparatus for removing excess coating material from strip edges

Country Status (6)

Country Link
US (1) US3536038A (xx)
BE (1) BE742072A (xx)
DE (1) DE1955722A1 (xx)
FR (1) FR2024358A1 (xx)
GB (1) GB1262536A (xx)
LU (1) LU59889A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685484A (en) * 1971-02-23 1972-08-22 United States Steel Corp Apparatus for removing excess coating material from strip edges
US3687103A (en) * 1971-01-28 1972-08-29 Youngstown Sheet And Tube Co Controlled-width fluid doctor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3687103A (en) * 1971-01-28 1972-08-29 Youngstown Sheet And Tube Co Controlled-width fluid doctor
US3685484A (en) * 1971-02-23 1972-08-22 United States Steel Corp Apparatus for removing excess coating material from strip edges

Also Published As

Publication number Publication date
DE1955722A1 (de) 1970-06-11
BE742072A (xx) 1970-05-21
GB1262536A (en) 1972-02-02
FR2024358A1 (xx) 1970-08-28
LU59889A1 (xx) 1970-01-26

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