CN101708502A - Method and device for designing screw-down structure of closed frame of double-roller cold pilger mill and device thereof - Google Patents
Method and device for designing screw-down structure of closed frame of double-roller cold pilger mill and device thereof Download PDFInfo
- Publication number
- CN101708502A CN101708502A CN200910219270A CN200910219270A CN101708502A CN 101708502 A CN101708502 A CN 101708502A CN 200910219270 A CN200910219270 A CN 200910219270A CN 200910219270 A CN200910219270 A CN 200910219270A CN 101708502 A CN101708502 A CN 101708502A
- Authority
- CN
- China
- Prior art keywords
- screw
- nut
- wedge
- supporting plate
- lower supporting
- 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.)
- Granted
Links
Images
Abstract
The invention belongs to the field of metallurgical equipment, and in particular relates to a method and a device for designing the screw-down structure of a closed frame of a double-roller cold pilger mill. The method and the device are characterized in that: the screw-down mechanism of the closed frame of the double-roller cold pilger mill comprises a first memorial archway, a second memorial archway, an upper roller and a lower roller which are arranged on the windows of the first and the second memorial archways respectively; the upper roller and the lower roller are arranged on the upper and lower sides respectively; the connecting line of the axis centers of the upper and the lower rollers is overlapped with a vertical line; a screw-down device is horizontally fixed over the upper roller and under the windows of the first and the second memorial archways; the screw-down device moves up and down along with the bearing block of the upper roller so as to adjust the roller gap and realize the screw-down adjustment of the rollers; and the central plane of the screw-down device is vertical to the plane of the windows of the memorial archway of the rolling mill. The invention provides the screw-down mechanism of the closed frame of the double-roller cold pilger mill, which has the advantages that: the reliability is strong; the precision of rolled tubes is ensured; the screw-down device can be simply and exactly adjusted; and the maintenance is convenient.
Description
Technical field
The invention belongs to field of metallurgical equipment, is a kind of structure, composition, the arrangement form of double-roller cold pilger mill, is a kind of method for designing and device of screw-down structure of closed frame of double-roller cold pilger mill exactly.
Background technology
The rolling-mill housing of cold pilger mill mostly is open type in the prior art, the top that is memorial archway is opening, connect by entablature, its strength and stiffness are little than closed frame, in the operation of rolling, whole pressure that pipe acts on roll are all born by frame at last, the generation distortion of the stressed back of frame is bigger, will directly have influence on the tube rolling precision, in addition, existing screwdown gear is to adopt each roll to depress separately, two screwdown gears of frame needs just can be finished and depress adjustment, and each screwdown gear is adjusted separately, can not guarantee the unanimity of left and right sides drafts, its drafts is difficult for accurately controlling, and adjusts inconvenient.
Summary of the invention
The method for designing and the device that the purpose of this invention is to provide a kind of screw-down structure of closed frame of double-roller cold pilger mill, its good reliability, assurance tube rolling precision, the screwdown gear adjustment is simply accurate, and is easy to maintenance.
The object of the present invention is achieved like this, a kind of method for designing of screw-down structure of closed frame of double-roller cold pilger mill and device is characterized in that: the closed frame screw-down of double-roller cold pilger mill comprises first memorial archway, second memorial archway, is arranged at first memorial archway, the topping roll and the bottom roll of second memorial archway window; Topping roll and bottom roll one on the other, topping roll and bottom roll axle center connecting line overlap with a vertical line, screwdown gear is horizontally fixed on the top of topping roll and the below of first memorial archway and second memorial archway window; Screwdown gear moves up and down the adjustment roll gap with the topping roll bearing block, realizes the adjustment of depressing of roll; The screwdown gear central plane is vertical with the mill housing window plane.
Described screwdown gear comprises: left wedge, right wedge, upper backup pad, lower supporting plate, left side nut, right nut and screw rod, upper backup pad makes two lateral surfaces parallel with lower supporting plate one on the other, lower supporting plate left end and right-hand member respectively have one section cammed surface, left side wedge and right wedge insert and corresponding cammed surface wedging with opposite direction from the left end and the right-hand member of the cavity of upper backup pad and lower supporting plate formation, there is an opening at the middle part that upper backup pad and lower supporting plate pass screw rod, respectively there is a nut embedded groove at the opening two ends, two nuts embed respectively in the groove of the left and right sides, lining packs in the support column holds level with both hands together with two support columns, support column is fixed in the opening, screw rod passes by the cavity of left wedge endoporus from upper backup pad and lower supporting plate formation, endoporus from the right wedge of the other end passes again, on the interior hole path of left wedge, left nut is arranged, on the interior hole path of right wedge, right nut is arranged, screw rod respectively with two nuts, left side nut is connected with right nut thread.
Described left nut and the right nut that is positioned at the cavity two ends of upper backup pad and lower supporting plate formation is that left-hand thread is arranged, screw rod advances, left side nut and right nut drive left wedge and move right, right wedge is moved to the left, because lower supporting plate cooperates with two topping roll bearing blocks, lower supporting plate can only move up and down the adjustment roll gap with the topping roll bearing block.
The adjustment amount of described adjustment roll gap is read by dial.
Useful result of the present invention is, it has improved the intensity and the rigidity of rolling-mill housing, and the rolling-mill housing distortion is little, has guaranteed rolling accuracy; Roll is depressed adjustment accurately and reliably, and it is simple and reliable for structure, and is easy to maintenance, improved rolling accuracy and quality.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is an embodiment of the invention rolling-mill housing schematic diagram;
Fig. 2 is a invention process illustration milling train screwdown gear schematic diagram;
Fig. 3 is the screwdown gear structural representation.
Among the figure: 1, first memorial archway; 2, second memorial archway; 3, topping roll; 4, bottom roll; 5, screwdown gear; 6, mill housing window plane; 7, left wedge; 8, left nut; 9, upper backup pad; 10, lower supporting plate; 11, screw rod; 12, right wedge; 13, right nut; 14, screwdown gear central plane; 15, nut; 16, support column; 17, lining; 18, opening.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of closed frame screw-down of double-roller cold pilger mill, comprise first memorial archway 1, second memorial archway 2, be arranged at the topping roll 3 and the bottom roll 4 of first memorial archway 1, second memorial archway, 2 windows, topping roll 3 and bottom roll 4 are one on the other, topping roll 3 and bottom roll 4 axle center connecting lines overlap with a vertical line, and screwdown gear 5 is horizontally fixed on the top of topping roll 3 and the below of first memorial archway 1 and second memorial archway, 2 windows.
As shown in Figure 3, screwdown gear 5 comprises: left wedge 7, right wedge 12, upper backup pad 9, lower supporting plate 10, left side nut 8, right nut 13 and screw rod 11, upper backup pad 9 makes two lateral surfaces parallel with lower supporting plate 10 one on the other, lower supporting plate 10 left ends and right-hand member respectively have one section cammed surface, left side wedge 7 and right wedge 12 insert and corresponding cammed surface wedging with opposite direction from the left end and the right-hand member of the cavity of upper backup pad 9 and lower supporting plate 10 formations, there is an opening 18 at the middle part that upper backup pad 9 and lower supporting plate 10 pass screw rod 11, respectively there are nut 15 embedded grooves at opening 18 two ends, two nuts 15 embed respectively in the groove of the left and right sides, lining 17 packs in the support column 16 holds level with both hands together with two support columns 16, support column 16 is fixed in the opening 18, screw rod 11 passes by the cavity of left wedge 7 endoporus from upper backup pad 9 and lower supporting plate 10 formations, endoporus from the right wedge 12 of the other end passes again, left nut 8 is arranged on the interior hole path of left wedge 7, right nut 13 is arranged on the interior hole path of right wedge 12, screw rod 11 respectively with two nuts 15, left side nut 8 and right nut 13 are threaded.
The left nut 8 and the right nut 13 that are positioned at the cavity two ends of upper backup pad 9 and lower supporting plate 10 formations are that left-hand thread is arranged, screw rod 11 advances, left side nut 8 and right nut 13 drive left wedge 7 and move right, right wedge 12 is moved to the left, because lower supporting plate 10 cooperates with two topping roll bearing blocks, lower supporting plate 10 can only move up and down the adjustment roll gap with the topping roll bearing block, thereby realizes the adjustment of depressing of roll, and adjustment amount is read by dial.Screwdown gear central plane 14 is vertical with mill housing window plane 6, and screwdown gear passes the window of two memorial archways, is arranged between mill housing window and the roll chock, promptly uses a screwdown gear just can finish the adjustment of depressing of two rolls.
First memorial archway 1, second memorial archway 2 have same structure, and first memorial archway 1, second memorial archway, 2 formation closed frames are not that crossbeam connects, and the frame stress deformation is little when rolling, has guaranteed the precision of finished product tubing, has strengthened the strength and stiffness of frame.
Claims (4)
1. the method for designing of the screw-down structure of closed frame of a double-roller cold pilger mill and device is characterized in that: the closed frame screw-down of double-roller cold pilger mill comprises first memorial archway (1), second memorial archway (2), is arranged at first memorial archway (1), the topping roll (3) of second memorial archway (2) window and bottom roll (4); Topping roll (3) and bottom roll (4) one on the other, topping roll (3) and bottom roll (4) axle center connecting line overlap with a vertical line, screwdown gear (5) is horizontally fixed on the top of topping roll (3) and the below of first memorial archway (1) and second memorial archway (2) window; Screwdown gear (5) moves up and down the adjustment roll gap with the topping roll bearing block, realizes the adjustment of depressing of roll; Screwdown gear central plane (14) is vertical with mill housing window plane (6).
2. the screw-down structure of closed frame of double-roller cold pilger mill according to claim 1, it is characterized in that: described screwdown gear (5) comprising: left wedge (7), right wedge (12), upper backup pad (9), lower supporting plate (10), left side nut (8), right nut (13) and screw rod (11), upper backup pad (9) makes two lateral surfaces parallel with lower supporting plate (10) one on the other, lower supporting plate (10) left end and right-hand member respectively have one section cammed surface, left side wedge (7) and right wedge (12) insert and corresponding cammed surface wedging with opposite direction from the left end and the right-hand member of the cavity of upper backup pad (9) and lower supporting plate (10) formation, there is an opening (18) at the middle part that upper backup pad (9) and lower supporting plate (10) pass screw rod (11), respectively there is a nut (15) embedded groove at opening (18) two ends, two nuts (15) embed respectively in the groove of the left and right sides, lining (17) packs in the support column (16) holds level with both hands together with two support columns (16), support column (16) is fixed in the opening (18), screw rod (11) passes by the cavity of left wedge (7) endoporus from upper backup pad (9) and lower supporting plate (10) formation, endoporus from the right wedge (12) of the other end passes again, left nut (8) is arranged on the interior hole path of left wedge (7), right nut (13) is arranged on the interior hole path of right wedge (12), screw rod (11) respectively with two nuts (15), left side nut (8) and right nut (13) are threaded.
3. the screw-down structure of closed frame of double-roller cold pilger mill according to claim 1, it is characterized in that: described left nut (8) and the right nut (13) that is positioned at the cavity two ends of upper backup pad (9) and lower supporting plate (10) formation is that left-hand thread is arranged, screw rod (11) advances, left side nut (8) and right nut (13) drive left wedge (7) and move right, right wedge (12) is moved to the left, because lower supporting plate (10) cooperates with two topping roll bearing blocks, lower supporting plate (10) can only move up and down the adjustment roll gap with the topping roll bearing block.
4. the screw-down structure of closed frame of double-roller cold pilger mill according to claim 1, it is characterized in that: the adjustment amount of described adjustment roll gap is read by dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102192700A CN101708502B (en) | 2009-12-07 | 2009-12-07 | Screw-down structure of closed frame of double-roller cold pilger mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102192700A CN101708502B (en) | 2009-12-07 | 2009-12-07 | Screw-down structure of closed frame of double-roller cold pilger mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708502A true CN101708502A (en) | 2010-05-19 |
| CN101708502B CN101708502B (en) | 2012-01-04 |
Family
ID=42401320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102192700A Active CN101708502B (en) | 2009-12-07 | 2009-12-07 | Screw-down structure of closed frame of double-roller cold pilger mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101708502B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553932A (en) * | 2011-12-31 | 2012-07-11 | 太原重工股份有限公司 | Two-roll tandem pipe mill and roll framework locking device thereof |
| CN103862253A (en) * | 2014-02-28 | 2014-06-18 | 攀钢集团攀枝花钢钒有限公司 | Universal rolling mill house installation tooling and installation method |
| CN109909301A (en) * | 2019-03-08 | 2019-06-21 | 贺云坤 | Indentation roll mill and the method for making thread metal using indentation roll mill |
-
2009
- 2009-12-07 CN CN2009102192700A patent/CN101708502B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553932A (en) * | 2011-12-31 | 2012-07-11 | 太原重工股份有限公司 | Two-roll tandem pipe mill and roll framework locking device thereof |
| CN103862253A (en) * | 2014-02-28 | 2014-06-18 | 攀钢集团攀枝花钢钒有限公司 | Universal rolling mill house installation tooling and installation method |
| CN103862253B (en) * | 2014-02-28 | 2016-06-29 | 攀钢集团攀枝花钢钒有限公司 | Universal mill memorial archway mounting tool and installation method |
| CN109909301A (en) * | 2019-03-08 | 2019-06-21 | 贺云坤 | Indentation roll mill and the method for making thread metal using indentation roll mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101708502B (en) | 2012-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102363156A (en) | Compact chuck type universal mill | |
| US7302820B2 (en) | Method for changing the configuration of a rolling mill and advanced rolling mill for carrying out said method | |
| CN201172057Y (en) | Universal mill | |
| US20130239638A1 (en) | Super large diameter longitudinal welded pipe forming machine set | |
| CN202174107U (en) | Three-roller pipe continuous mill | |
| CN101708502B (en) | Screw-down structure of closed frame of double-roller cold pilger mill | |
| CN102039316A (en) | Zero-point calibration method for hot continuous rolling machine frame | |
| CN205797991U (en) | A kind of short-stress path two horizontal skew rolling mill of roller | |
| CN201552176U (en) | Closed machine frame screw-down structure of two-roller cold pilgering mill | |
| CN203711480U (en) | Pre-stress mill | |
| CN102553932A (en) | Two-roll tandem pipe mill and roll framework locking device thereof | |
| CN102744266A (en) | Variable-deflection four-roller rolling machine | |
| CN106391700A (en) | Lower-drive type Y-shaped four-roller plate and strip rolling mill | |
| CN202824155U (en) | Variable deflection four-roller rolling mill with a plurality of screw down cylinders | |
| CN103920715B (en) | A kind of dual-support device suitable in pony roll footpath six-high cluster mill | |
| CN202343573U (en) | Roller rolling reduction adjusting mechanisms | |
| CN103658191B (en) | Side supporting device of working roll of cold rolling machine | |
| CN103433297B (en) | Tension stable control device for skin pass mill | |
| CN1042802C (en) | Four roller mill of roller group cross rolling | |
| CN101912905A (en) | A kind of plate coiling machine for long semicircular workpieces | |
| CN202655332U (en) | Ten-roll rolling mill for rolling sheet metal strip | |
| CN204866836U (en) | Divide posture cluster mill | |
| CN104190716A (en) | X-type roll system rolling mill used for producing ultra-thin and ultra-wide copper foil | |
| CN201179522Y (en) | Universal roller mill | |
| CN204974724U (en) | Make -up machine edger roll balancing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Patentee after: China National Heavy Machinery Research Institute Co., Ltd. Address before: 710032 Shaanxi city in Xi'an province Xin Jiamiao East yuan Road No. 209 Xi'an Heavy Machinery Research Institute Patentee before: China National Heavy Machinery Research Institute Co., Ltd. |