Cold roll forming apparatus proceding for the exchange of rolls as a unit
AssigneeYutaka Morikoshi
InventorIsao Nogota
Life of this patent
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Abstract
An improved cold roll forming apparatus providing for the exchange of rolls as a unit is disclosed, wherein sets of rolls are provided easily and removably exchangeable between sets of stands by one process. A frame supports the rolls and is lifted up to position the rolls between the stands, and at least one or more springy compressible devices are provided on the roll axles to operate as buffers and as devices to accelerate unfastening the rolls from holders of the stands. The springy compressible device has a cylindrical housing, a cover plate, and a spring exerting a biassing force between the cover plate and housing.
Claims8
A cold roll forming apparatus providing for the exchange of rolls as a unit comprising:
- at least one pair of a fixed stand and a movable stand, each stand having two sockets having respectively a holder provided with a bore,
- at least one pair of rolls supported by said fixed and movable stands, and having axles with outwardly extended portions, each axle extended portion having an end thereof unrotatably received in said bore of one of said holders, each of the rolls having round end shoulders, the round end shoulders of the pair of rolls cooperating with each other to form an aperture for working between the rolls,
- a grooved wheel unslidably connected to the extended portion of each axle adjacent to the end shoulder,
- at least one springy compressible device carried by one of the extended portions of each axle for limited movement with respect to the axle, the springy compressible device comprising a cylindrical housing, a cover plate, and spring means for exerting a biasing force between the housing and the cover plate, and
- at least one driving means connected to at least one of said sockets of said stands for driving the rolls.
A cold roll forming apparatus providing for the exchange of rolls as a unit comprising:
- a pair of rolls, each roll having an axle with portions extending from ends thereof;
- a fixed stand and a movable stand for rotatably supporting the extending portions of the axles of the pair of rolls in spaced relationship, the pair of rolls having contoured surfaces cooperating with each other to form an aperture for working between the rolls, each of the stands having rotatable holders with bores formed therein for receiving ends of the axles of the rolls;
- means operatively associated with one of said holders for rotatably driving said holder to thereby drive the pair of rolls;
- and
- a springy compressible device carried by an axle of each roll comprising a first member movable with respect to the axle and engageable with a surface of one of the holders when the axle is received in the bore of said one holder, and means for exerting a biassing force on the first member so that the roll axle is urged out of the bore of said one holder by said springy compressible device.
Dependencies are inferred from the claim text.