CN202343573U - Roller rolling reduction adjusting mechanisms - Google Patents
Roller rolling reduction adjusting mechanisms Download PDFInfo
- Publication number
- CN202343573U CN202343573U CN2011204842443U CN201120484244U CN202343573U CN 202343573 U CN202343573 U CN 202343573U CN 2011204842443 U CN2011204842443 U CN 2011204842443U CN 201120484244 U CN201120484244 U CN 201120484244U CN 202343573 U CN202343573 U CN 202343573U
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- leading screw
- roll
- guide
- guide pillar
- adjustment
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Abstract
The utility model relates to roller rolling reduction adjusting mechanisms. The roller rolling reduction adjusting mechanisms are respectively arranged corresponding to three rollers, each roller rolling reduction adjusting mechanism mainly comprises an adjusting screw rod (1), an adjusting screw rod fixing base (2), a guide sleeve (10) and a guide post (8), wherein the guide posts (8) provided with middle cavities are connected to supporting plates (5); the supporting plates (5) are connected with roller bearing bases (6); the guide posts (8) are positioned in the guide sleeves (10) fixedly arranged in rolling machine frames (9); the upper parts of the guide posts (8) extend out of the guide sleeves (10) and are positioned in cavities formed in the adjusting screw rod fixing bases (2); the adjusting screw rods (1) in screw-thread fit with the adjusting screw rod fixing bases (2) are positioned in the guide posts (8); and the upper parts of the adjusting screw rods (1) extend out of the guide posts (8). The rollers are vertically adjusted through the action of the adjusting screw rods, and the roller rolling reduction adjusting mechanisms are respectively arranged corresponding to the three rollers, so that a hole cavity formed by the three rollers meets the requirement.
Description
Technical field
The utility model relates to the adjustment of roll pass, relates generally to a kind of roll drafts guiding mechanism.
Background technology
The roll drafts of three-roll cross rolling mill is a very important parameter; The adjustment precision of its drafts and rigidity directly influence the diameter tolerance and the outer surface quality of production tube; The precision and the good rigidity of its drafts adjustment; Can reduce the fluctuation of the ovality and the roll-force of product, reduce and roll card accident and rolling noise.In minor diameter seamless steel tube production, because the pass that adopts stationary core rod and roll to form comes rolling seamless steel pipe, the precision and the rigidity requirement of its drafts guiding mechanism are higher, must guarantee the relation between roll and the plug when rolling; The drafts guiding mechanism that three-high mill is commonly used in the prior art is to match through feed screw nut to carry out the drafts adjustment, and the precision of this drafts guiding mechanism is not high.
Summary of the invention
The purpose of the utility model is to propose a kind of roll drafts guiding mechanism, makes its drafts that can accurately adjust roll, thereby accurately adjusts three formed cavitys of roll.
The utility model for the technical scheme of accomplishing the employing of foregoing invention purpose is:
A kind of roll drafts guiding mechanism, corresponding three rolls are provided with roll drafts guiding mechanism respectively; Described roll drafts guiding mechanism mainly comprises adjustment leading screw, adjustment leading screw holder, guide pin bushing and guide pillar; Guide pillar with cavities is connected on the supporting plate, and described supporting plate links to each other with roll chock; Described guide pillar is positioned at the guide pin bushing that is fixed on rolling-mill housing, and the top of guide pillar is stretched out guide pin bushing and is positioned at the cavity that adjustment leading screw holder is set; Be positioned at guide pillar with the adjustment leading screw of adjustment leading screw holder threaded engagement and guide pillar is stretched out on its top; The lower end of adjustment leading screw has thrust bearing and makes thrust bearing be positioned at the stepped hole that guide pillar has, and is fixed by round nut.
Described adjustment leading screw, adjustment leading screw holder, guide pin bushing and guide pillar be to overlap with respect to roll center line symmetrically arranged two, and wherein two guide pillars are connected to the two ends of supporting plate, and are symmetrical set with respect to the cross central line of supporting plate.
In order to adjust the drafts of roll more accurately, be provided with the support leading screw in the bilateral symmetry of adjusting leading screw, the lower end of described support leading screw is corresponding with the two ends of supporting plate, and on rolling-mill housing, is fixed with and supports the support leading screw holder of leading screw threaded engagement.
A kind of roll drafts guiding mechanism that the utility model proposes, through the action of adjustment screw mandrel, breaker roll carries out up-down adjustment, and corresponding three rolls are provided with roll drafts guiding mechanism respectively, and three formed vestibules of roll are met the requirements; In order to adjust the drafts of roll more accurately, in the bilateral symmetry of putting in order leading screw the support leading screw is set, support leading screw and play prestressed effect, increased the rigidity of screw-down, control the adjustment of drafts comparatively accurately.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the another kind of structural representation of the utility model.
Fig. 3 is the third structural representation of the utility model.
Among the figure: 1, adjustment leading screw, 2, adjustment leading screw holder, 3, support leading screw, 4, support the leading screw holder, 5, supporting plate, 6, roll chock, 7, roll, 8, guide pillar, 9, rolling-mill housing, 10, guide pin bushing.
The specific embodiment
In conjunction with accompanying drawing and specific embodiment the utility model is explained:
As shown in Figure 1, a kind of roll drafts guiding mechanism, corresponding three rolls are provided with roll drafts guiding mechanism respectively; Described roll drafts guiding mechanism mainly comprises adjustment leading screw 1, adjustment leading screw holder 2, guide pin bushing 10 and guide pillar 8; Guide pillar 8 with cavities is connected on the supporting plate 5, and described supporting plate 5 links to each other with the roll chock that is used for back-up roll 76; Described guide pillar 8 is positioned at the guide pin bushing 10 that is fixed on rolling-mill housing 9, and the top of guide pillar 8 is stretched out guide pin bushing 10 and is positioned at the cavity that adjustment leading screw holder 2 is set; Wherein, on described rolling-mill housing 9, have the cavity that is welded by steel plate, described guide pin bushing 10 is positioned at above-mentioned cavity, and its upper end is stretched out cavity and is fixed on the rolling-mill housing 9, in order to positioning guide column; Be positioned at guide pillar 8 with the adjustment leading screw 1 of adjustment leading screw holder 2 threaded engagement and guide pillar 8 is stretched out on its top; The lower end of adjustment leading screw 1 has thrust bearing and makes thrust bearing be positioned at the stepped hole that guide pillar 8 is had; And fix by round nut; Among this embodiment; Described adjustment leading screw 1, adjustment leading screw holder 2, guide pin bushing 10 and guide pillar 8 are a cover, and wherein said guide pillar 8 is connected the center of supporting plate 5.
During use, through the action of adjustment leading screw 1, breaker roll 7 carries out up-down adjustment, and the contour structures of three formed vestibules of roll and plug is matched.
The another kind of structural representation that provides the utility model as shown in Figure 2; Among this embodiment; Described adjustment leading screw 1, adjustment leading screw holder 2, guide pin bushing 10 and guide pillar 8 be to overlap with respect to roll center line symmetrically arranged two; Wherein two guide pillars 8 are connected to the two ends of supporting plate 5, and are symmetrical set with respect to the cross central line of supporting plate 5; During use, through the action of two adjustment leading screws 1, breaker roll 7 carries out up-down adjustment, and the contour structures of three formed vestibules of roll and plug is matched.
The third structural representation that provides the utility model as shown in Figure 3; Among this embodiment; In order to adjust the drafts of roll more accurately; Bilateral symmetry at adjustment leading screw 1 is provided with support leading screw 3, and the lower end of described support leading screw 3 is corresponding with the two ends of supporting plate 5, and on rolling-mill housing 9, is fixed with and supports the support leading screw holder 4 of leading screw 3 threaded engagement; During use, through the action of adjustment leading screw 1, breaker roll 7 carries out up-down adjustment, and the contour structures of three formed vestibules of roll and plug is matched; Be pressed on downwards on the supporting plate 5 through supporting leading screw 3 then, be used to carry roll-force.
Claims (3)
1. roll drafts guiding mechanism, corresponding three rolls are provided with roll drafts guiding mechanism respectively; It is characterized in that: described roll drafts guiding mechanism mainly comprises adjustment leading screw (1), adjustment leading screw holder (2), guide pin bushing (10) and guide pillar (8); Guide pillar (8) with cavities is connected on the supporting plate (5), and described supporting plate (5) links to each other with roll chock (6); Described guide pillar (8) is positioned at the guide pin bushing (10) that is fixed on rolling-mill housing (9), and the top of guide pillar (8) is stretched out guide pin bushing (10) and is positioned at the cavity that adjustment leading screw holder (2) is set; Be positioned at guide pillar (8) with the adjustment leading screw (1) of adjustment leading screw holder (2) threaded engagement and guide pillar (8) is stretched out on its top; The lower end of adjustment leading screw (1) has thrust bearing and makes thrust bearing be positioned at the stepped hole that guide pillar (8) is had, and is fixed by round nut.
2. roll drafts guiding mechanism according to claim 1; It is characterized in that: described adjustment leading screw (1), adjustment leading screw holder (2), guide pin bushing (10) and guide pillar (8) are for overlapping with respect to roll center line symmetrically arranged two; Wherein two guide pillars are connected to the two ends of supporting plate (5), and are symmetrical set with respect to the cross central line of supporting plate.
3. roll drafts guiding mechanism according to claim 1; It is characterized in that: the bilateral symmetry at adjustment leading screw (1) is provided with support leading screw (3); The lower end of described support leading screw (3) is corresponding with the two ends of supporting plate (5), and on rolling-mill housing (9), is fixed with and supports the support leading screw holder (4) of leading screw (3) threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204842443U CN202343573U (en) | 2011-11-29 | 2011-11-29 | Roller rolling reduction adjusting mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204842443U CN202343573U (en) | 2011-11-29 | 2011-11-29 | Roller rolling reduction adjusting mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202343573U true CN202343573U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204842443U Expired - Fee Related CN202343573U (en) | 2011-11-29 | 2011-11-29 | Roller rolling reduction adjusting mechanisms |
Country Status (1)
| Country | Link |
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| CN (1) | CN202343573U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084406A (en) * | 2013-03-06 | 2013-05-08 | 重庆钢铁(集团)有限责任公司 | Four-roll reversible type rolling mill pressure head installing structure |
| CN105363787A (en) * | 2015-11-16 | 2016-03-02 | 中国兵器工业第二一三研究所 | Double-station cantilever type floatable supporting mechanism for cutting rope rollers |
| CN105583233A (en) * | 2016-01-11 | 2016-05-18 | 长安大学 | Rolling mill system with automatic adjusting function |
| CN105934287A (en) * | 2013-11-29 | 2016-09-07 | Sms集团有限公司 | Device for adjusting roll in roll stand |
| CN114406007A (en) * | 2022-04-01 | 2022-04-29 | 承德建龙特殊钢有限公司 | Seamless steel pipe tracking production system one by one |
-
2011
- 2011-11-29 CN CN2011204842443U patent/CN202343573U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084406A (en) * | 2013-03-06 | 2013-05-08 | 重庆钢铁(集团)有限责任公司 | Four-roll reversible type rolling mill pressure head installing structure |
| CN105934287A (en) * | 2013-11-29 | 2016-09-07 | Sms集团有限公司 | Device for adjusting roll in roll stand |
| CN105363787A (en) * | 2015-11-16 | 2016-03-02 | 中国兵器工业第二一三研究所 | Double-station cantilever type floatable supporting mechanism for cutting rope rollers |
| CN105583233A (en) * | 2016-01-11 | 2016-05-18 | 长安大学 | Rolling mill system with automatic adjusting function |
| CN114406007A (en) * | 2022-04-01 | 2022-04-29 | 承德建龙特殊钢有限公司 | Seamless steel pipe tracking production system one by one |
| CN114406007B (en) * | 2022-04-01 | 2022-06-03 | 承德建龙特殊钢有限公司 | Seamless steel pipe tracking production system one by one |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LUOYANG DINGRUI MATERIALS + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LUOYANG ZHANGTAI FEIBIAO MACHINERY CO., LTD. Effective date: 20140423 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140423 Address after: 471003 Henan city of Luoyang province high tech Zone Fenghua Road, Science Park Patentee after: Luoyang Dingrui Materials & Technology Co., Ltd. Address before: Bai Ying high tech Development Zone 471003 Henan province Luoyang city substation West Patentee before: Luoyang Zhangtai Feibiao Machinery Co., Ltd. |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20150213 Granted publication date: 20120725 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150813 Granted publication date: 20120725 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20151009 Granted publication date: 20120725 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160409 Granted publication date: 20120725 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20151129 |