FIELD: process engineering.
SUBSTANCE: invention relates to pipe rolling, particularly, to pipe cold rolling mill stand. Mill stand comprises stationary bed, moving housing with vertical working rolls arranged therein and rolls rack drive with gears and racks. Bottom racks is secured at stationary bed while top rack is attached to tip-up crossbar. Note here that mill stand is equipped with frame bolted to stationary bed lateral sides. Said frame end faces are attached to said bed by wedge joints. Tip-up crossbar is fitted in the frame of axle fitted in two bearings and locked by wedge. Said wedge is drive by hydraulic cylinder while crossbar has extra hydraulic cylinder with its casing articulated therewith. Rod cylinder is articulated with the frame. Note also that mill stand is equipped with protective means to cover bed working space composed of cover articulated with stationary bed to cover it and cases arranged at bed sides and end faces. Note here that said cover is provided with lifting hydraulic cylinders mounted at bed sides. Sumps are arranged at side casings while oil throwers are arranged at said cover.
EFFECT: higher operating performances and reliability.
10 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| COLD PIPE ROLLING MILL STAND | 2015 |
|
RU2601724C1 |
| WORKING STAND OF COLD ROLLING MILL OF PIPES | 2019 |
|
RU2720330C1 |
| TUBE COLD-ROLLING MILL STAND | 2012 |
|
RU2487771C1 |
| MILL FOR COLD ROLLING OF PIPES | 2009 |
|
RU2380180C1 |
| ROLLING MILL | 0 |
|
SU1724400A1 |
| PIPE COLD-ROLLING MILL | 2009 |
|
RU2397033C1 |
| TUBE COLD ROLLING MILL | 2013 |
|
RU2532214C1 |
| COLD TUBE-ROLLING MILL ROLL STAND | 0 |
|
SU727244A1 |
| FOUR-HIGH STAND OF SLANT ROLLING MILL | 2010 |
|
RU2433006C1 |
| PILGER-STEP ROLLING MILL | 0 |
|
SU1437117A1 |
