Quick change conveyor roll sleeve assembly and method

• US 9,193,532 B2
• Filed: 11/18/2014
• Issued: 11/24/2015
• Est. Priority Date: 03/24/2009
• Status: Expired due to Fees

• Current Assignee: Pyrotek Incorporated
• Original Assignee: Pyrotek Incorporated
• Inventors: March, Timothy D., Pokrzyk, John A. Jr., Hasco, Daryll A., Bright, Mark
• Primary Examiner(s): Walters, Ryan J
• Application Number:
  US14/546,474
• Publication Number:
  US 20150072846A1
• Time in Patent Office: 371 Days
• US Class Current: 1/1
• CPC Class Codes: B65G 39/02 Adaptations of individual rollers and supports therefor
• CPC Class Codes: B65G 39/07 Other adaptations of sleeves
• CPC Class Codes: C03B 35/16 by roller conveyors
• CPC Class Codes: C03B 35/181 Materials, coatings, loose coverings or sleeves thereof
• CPC Class Codes: C03B 35/183 specially adapted for thermal adjustment of the rollers, e.g. insulating, heating, cooling thereof
• CPC Class Codes: C03B 35/186 End caps, end fixtures or roller end shape designs
• CPC Class Codes: C23C 2/00344 Means for moving substrates, e.g. immersed rollers or immersed bearings
• CPC Class Codes: C25D 17/00 Constructional parts, or assemblies thereof, of cells for electrolytic coating
• CPC Class Codes: C25D 7/0664 Isolating rolls
• CPC Class Codes: F27D 3/026 transport or conveyor rolls for furnaces; roller rails conveyor rolls in general B65G
• CPC Class Codes: Y10T 29/49545 Repairing or servicing
• CPC Class Codes: Y10T 29/49549 Work contacting surface element assembled to core
• CPC Class Codes: Y10T 29/49554 Work contacting surface having annular axial sections
• CPC Class Codes: Y10T 29/4973 Replacing of defective part

Abstract

A quick change conveyor roll assembly for metal or glass processing comprising an inner roll shaft having a rigid and elongated cylindrical surface supported and rotationally driven by an associate rotor mean. At least one removable spool having a cylindrical body with a first diameter, a hollow interior therethrough and a collar rigidly adapted at a first end, the collar having a second diameter whereby the second diameter is greater than the first diameter. At least one removable and replaceable insulated roll sleeve being slidably mounted over at least a portion of said removable spool and abutting said collar, the insulated roll sleeve including at least one layer of an insulation material and a securing means operably adjustable to hold said roll sleeve about said removable spool at a second end in a predetermined location on said inner roll shaft.

Claims

1. A method for processing glass comprising:

(i) providing a conveyor roll comprised of an inner roll shaft having an elongated cylindrical surface, a removable spool comprised of steel and having a cylindrical body including a first diameter and an interior passage sized to accommodate said inner roll shaft and a collar at a first end;

a removable and replaceable insulated roll sleeve comprised of a refractory material slidably mounted over at least a portion of said spool and abutting said collar, said insulated roll sleeve including at least one layer of insulation material; and

a releasable securing element retaining said spool on said inner roll shaft; and

wherein said insulated roll sleeve is held under compression between said collar and a compression member at a second end and said insulated roll sleeve remains under compression when the spool is removed from the inner roll shaft;

(ii) disposing said conveyor roll in an oven and transporting a ribbon of glass through said oven using said conveyor roll.

2. The method of claim 1, wherein the collar abuts a plate secured to an end of the inner roll shaft.

3. The method of claim 1, wherein the securing element comprises a locking unit threadedly engaging the inner roll shaft.

4. The method of claim 1, wherein said compression member comprises a combination of a locking collar and a snap ring.

5. The method of claim 1, wherein said insulated roll sleeve comprises a ceramic material.

6. The method of claim 5, wherein the said ceramic material comprises one of silica and alumina.

7. The method of claim 5, wherein said ceramic material includes fibers of different lengths in a mat form.

8. The method of claim 1, wherein said elongated surface of the inner roll shaft is at least substantially cylindrical and wherein the body of said spool is at least substantially cylindrical and wherein the interior passage of said body is at least substantially cylindrical.