CN202411088U - All-hydraulic roll gap adjustment short stress path rolling mill - Google Patents
All-hydraulic roll gap adjustment short stress path rolling mill Download PDFInfo
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- CN202411088U CN202411088U CN2012200398513U CN201220039851U CN202411088U CN 202411088 U CN202411088 U CN 202411088U CN 2012200398513 U CN2012200398513 U CN 2012200398513U CN 201220039851 U CN201220039851 U CN 201220039851U CN 202411088 U CN202411088 U CN 202411088U
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- roll gap
- bearing block
- hydraulic
- rolling mill
- stress path
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Abstract
The utility model discloses an all-hydraulic roll gap adjustment short stress path rolling mill. The all-hydraulic roll gap adjustment short stress path rolling mill comprises a frame, a roller system, a roll gap adjuster and a bearing block which is arranged on the frame, wherein two ends of the roller system are sleeved in the bearing block; the roller system comprises an upper roller and a lower roller; the bearing block comprises an upper bearing block and a lower bearing block which are arranged corresponding to the upper roller and the lower roller; the roll gap adjuster comprises a cylinder and a pull rod which is fixedly supported in the frame; the upper bearing block and the lower bearing block are sleeved on the pull rod, and are movably matched with the pull rod in the axial direction; the cylinder is fixedly connected with the bearing block; a piston which is matched with the cylinder is arranged on the pull rod; and the cylinder and the piston form a hydraulic cylinder structure. The all-hydraulic roll gap adjustment short stress path rolling mill adjusts roll gaps by adopting hydraulic force, has high roll gap adjustment accuracy and high response speed, provides a greater rolling pressure, and can realize automation easily.
Description
Technical field
The utility model relates to a kind of milling train, and concrete is that a kind of all-hydraulic roll gap is regulated short stress path rolling mill.
Background technology
It is shorter that short stress path rolling mill is compared its line of tension of memorial archway milling train of same specification, thereby its strain is little, mill stiffness is high, has obtained extensive use in the production of online bar.But also there is following defective in existing short stress path rolling mill:
1) adopt the mode of nut screw mandrel transmission to regulate roll gap, degree of regulation is poor, and the rolled products precision is low;
2) adopt the manual adjustment roll gap, efficient is low;
3) when steel rolling, be difficult to regulate automatically according to the quick response of rolling operating mode realization roll gap, automaticity is low;
4) existing roll gap adjusting nut also is difficult to bear big draught pressure, and the life-span is short, and often specification is less to make existing short stress path rolling mill, in big products rolling, can't substitute large-scale memorial archway formula milling train.
Like application number is that the Chinese patent of CN 201110178169.2 discloses a kind of short stress path rolling mill; The roll-separating mechanism of this short stress path rolling mill still adopts the mode of threaded screw rod to adjust roll gap, does not overcome roll gap adjustment low precision, efficient is low and automaticity is low defective.
Given this; The utility model is intended to explore a kind of all-hydraulic roll gap and regulates short stress path rolling mill; This all-hydraulic roll gap is regulated short stress path rolling mill and roll gap is regulated with downward hydraulic coupling through adopting upwards; The roll gap degree of regulation is higher, speed responsive is faster, and bigger draught pressure can be provided and easily be automated.
Summary of the invention
The technical problem that the utility model will solve is to propose a kind of all-hydraulic roll gap to regulate short stress path rolling mill; It is not only simple in structure that this all-hydraulic roll gap is regulated short stress path rolling mill, and have that the roll gap degree of regulation is high, speed responsive is fast, easily be automated control and the advantage of bigger draught pressure can be provided.
Realize above-mentioned technical purpose; The all-hydraulic roll gap of the utility model is regulated short stress path rolling mill, comprises frame, roller system, roll gap adjusting device and is installed in the bearing block on the said frame, and the two ends that said roller is all are sleeved in the said bearing block; Said roller is to comprise topping roll and bottom roll; Said bearing block comprises top chock and the step with said topping roll and the corresponding setting of bottom roll, and said roll gap adjusting device comprises cylinder body and the pull bar that is fixedly supported in the said frame, and said top chock and step are sleeved on the said pull bar; And said top chock and step and said pull bar movable cooperation on axial direction; Said cylinder body is sleeved on the said pull bar, and said pull bar is provided with the piston that cooperates with said cylinder body, said cylinder body and piston composition hydraulic cylinder structure.
Further, link to each other through two pull bars that are parallel to each other between said top chock and the step;
Further, be provided with the cushion block that is positioned on the said bearing block between said cylinder body and the said bearing block;
Further, the contact-making surface of said cushion block and said cylinder body is a sphere.
The beneficial effect of the utility model is:
The all-hydraulic roll gap of the utility model is regulated short stress path rolling mill and is connected top chock and step through pull bar is set, and through cylinder body and the piston that cooperatively interacts is set on bearing block and pull bar, can realize adopting hydraulic coupling to top chock to pressing down and to step pressure upwards; Can realize adopting hydraulic coupling to regulate roll gap; Degree of regulation is higher, speed responsive is faster, and bigger draught pressure can be provided and easily be automated, in addition; Also can be easily through changing piston stroke and cylinder body size; Be easy to realize big draught pressure, wide roll gap adjustable range realizes the rolling of wideer range of product size;
The stressing conditions of the all-hydraulic roll gap adjusting short stress path rolling mill of the utility model is following: the hydraulic coupling that is positioned at the hydraulic cylinder generation on the top chock acts on top chock and the pull bar simultaneously; The hydraulic coupling that is positioned at the hydraulic cylinder generation on the step acts on step and the pull bar simultaneously; Making that pull bar is stressed reaches balanced, and top chock and step receive also that simultaneously the reaction force of workpiece reaches stress equalization, and promptly the all-hydraulic roll gap adjusting short stress path rolling mill of the utility model has been realized the transfer mode of the power of short-stress path; Its stressed internal force that finally becomes between bearing block and the pull bar; Make frame not bear big draught pressure, the physical dimension of frame can correspondingly reduce, weight saving; The characteristics that line of tension through utilizing the short-stress path principle is short, rigidity is high; Make rolling mill structure compact, alleviate milling train weight, reduce cost.
Description of drawings
Fig. 1 is the structural representation that the all-hydraulic roll gap of the utility model is regulated short stress path rolling mill embodiment;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the stereogram that the all-hydraulic roll gap of present embodiment is regulated short stress path rolling mill.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the utility model.
As shown in Figure 1, be the structural representation of the all-hydraulic roll gap adjusting of the utility model short stress path rolling mill embodiment; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the A-A cutaway view of Fig. 1; Fig. 4 is the stereogram that the all-hydraulic roll gap of present embodiment is regulated short stress path rolling mill.
The all-hydraulic roll gap of present embodiment is regulated short stress path rolling mill; Comprise frame 1, roller system, roll gap adjusting device and be installed in the bearing block on the said frame, the two ends that said roller is all are sleeved in the said bearing block, and said roller is to comprise topping roll 2 and bottom roll 3; Said bearing block comprises the top chock 4 and step 5 with said topping roll 2 and bottom roll 3 corresponding settings; Said roll gap adjusting device comprises cylinder body 6 and the pull bar 7 that is fixedly supported in the said frame 1, and said top chock 4 all is sleeved on the said pull bar 7 with step 5, and said top chock 4 and step 5 and said pull bar 7 movable cooperation on axial direction; Said cylinder body 6 is positioned on the described bearing block; And be sleeved on the pull bar 7, said pull bar 7 is provided with the piston 8 that cooperates with said cylinder body 6, and cylinder body 6 is formed hydraulic cylinder structure with piston 8.
As shown in the figure; Topping roll 2 is supported on the frame 1 by two top chocks 3 and step 4 respectively with bottom roll 3; And top chock 3 can slide up and down on frame 1 with step 4, and the two ends of each bearing block are respectively equipped with the through hole that is used to install pull bar 7, and two pull bars 7 extend through the through hole that is positioned on top chock 4 and the step 5 respectively top chock 4 and step 5 are coupled together; Promptly; Link to each other through two pull bars that are parallel to each other 7 between said top chock 4 and the step 5, adopt two pull bars to connect top chock 4 and can make top chock 4 and step 5 stress equalizations with step 5, motion steadily.
The all-hydraulic roll gap of present embodiment is regulated short stress path rolling mill and is connected top chock 4 and step 5 through pull bar 7 is set; And through the cylinder body 6 and piston 8 that cooperatively interacts is set on bearing block and pull bar 7; Can realize adopting hydraulic coupling to top chock 4 to pressing down and step 5 upwards being pressed, can realize adopting hydraulic coupling to regulate roll gap.
The stressing conditions of the all-hydraulic roll gap adjusting short stress path rolling mill of present embodiment is following: the hydraulic coupling that is positioned at the hydraulic cylinder generation on the top chock 4 acts on top chock 4 and the pull bar 7 simultaneously; The hydraulic coupling that is positioned at the hydraulic cylinder generation on the step 5 acts on step 5 and the pull bar 7 simultaneously; Making that pull bar 7 is stressed reaches balanced, and top chock 4 also receives simultaneously that with step 5 reaction force of workpiece reaches stress equalization, and promptly the all-hydraulic roll gap of present embodiment is regulated the transfer mode that short stress path rolling mill has been realized the power of short-stress path; Its stressed internal force that finally becomes between bearing block and the pull bar 7; Make frame 1 not bear big draught pressure, the physical dimension of frame 1 can correspondingly reduce, weight saving; The characteristics that line of tension through utilizing the short-stress path principle is short, rigidity is high; Make rolling mill structure compact, alleviate milling train weight, reduce cost.
The all-hydraulic roll gap of present embodiment regulate short stress path rolling mill simple in structure, reliable, in light weight, be easy to make, adopt hydraulic pressure to depress and press to exert pressure and realize that roll gap regulates, compare existing nut screw mandrel mode; Degree of regulation is high, and response is fast, cooperates sensors such as corresponding displacement, pressure again; And AGC control system etc.; Can realize the dynamic adjustments of roll gap, automatic control etc., be easy to improve the automaticity of milling train, alleviate workman's the amount of labour; And the milling train steel-fastening in the minimizing operation of rolling, improve rolling efficiency; Also can pass through to change cylinder diameter and pull bar diameter, and the stroke of piston etc., being easy to realize big draught pressure, wide roll gap adjustable range realizes the rolling of wideer range of product size.
Further, be provided with cushion block 9 between said cylinder body 6 and the said bearing block, prevent rigid collision between cylinder body 6 and top chock 4 and the step 5.Preferably, said cushion block 9 is a sphere with the contact-making surface of said cylinder body 6, so that under draught pressure, alleviate or avoid the damage to hydraulic cylinder 6 or bearing block.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (4)
1. an all-hydraulic roll gap is regulated short stress path rolling mill; Comprise frame, roller system, roll gap adjusting device and be installed in the bearing block on the said frame; It is characterized in that: the two ends of said roller system all are sleeved in the said bearing block, and said roller system comprises that topping roll and bottom roll, said bearing block comprise top chock and the step with said topping roll and the corresponding setting of bottom roll; Said roll gap adjusting device comprises cylinder body and the pull bar that is fixedly supported in the said frame; Said top chock and step are sleeved on the said pull bar, and said top chock and step and said pull bar movable cooperation on axial direction, and said cylinder body is sleeved on the said pull bar; And said pull bar is provided with the piston that cooperates with said cylinder body, and said cylinder body and piston are formed hydraulic cylinder structure.
2. all-hydraulic roll gap according to claim 1 is regulated short stress path rolling mill, it is characterized in that: link to each other through two pull bars that are parallel to each other between said top chock and the step.
3. all-hydraulic roll gap according to claim 1 is regulated short stress path rolling mill, it is characterized in that: be provided with the cushion block that is positioned on the said bearing block between said cylinder body and the said bearing block.
4. all-hydraulic roll gap according to claim 3 is regulated short stress path rolling mill, and it is characterized in that: the contact-making surface of said cushion block and said cylinder body is a sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200398513U CN202411088U (en) | 2012-02-08 | 2012-02-08 | All-hydraulic roll gap adjustment short stress path rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200398513U CN202411088U (en) | 2012-02-08 | 2012-02-08 | All-hydraulic roll gap adjustment short stress path rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411088U true CN202411088U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200398513U Expired - Lifetime CN202411088U (en) | 2012-02-08 | 2012-02-08 | All-hydraulic roll gap adjustment short stress path rolling mill |
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| CN (1) | CN202411088U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553911A (en) * | 2012-02-08 | 2012-07-11 | 中冶赛迪工程技术股份有限公司 | Full-hydraulic roll gap adjusting short-stress-path rolling mill |
| CN108043880A (en) * | 2017-11-30 | 2018-05-18 | 中冶南方工程技术有限公司 | For the equipment and pressure balance method of band roll-in |
| CN109013707A (en) * | 2018-09-29 | 2018-12-18 | 天津天重中直科技工程有限公司 | Bar jointing structure in short stress path rolling mill |
-
2012
- 2012-02-08 CN CN2012200398513U patent/CN202411088U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102553911A (en) * | 2012-02-08 | 2012-07-11 | 中冶赛迪工程技术股份有限公司 | Full-hydraulic roll gap adjusting short-stress-path rolling mill |
| CN108043880A (en) * | 2017-11-30 | 2018-05-18 | 中冶南方工程技术有限公司 | For the equipment and pressure balance method of band roll-in |
| CN108043880B (en) * | 2017-11-30 | 2020-02-14 | 中冶南方工程技术有限公司 | Device for rolling strip and pressure balancing method |
| CN109013707A (en) * | 2018-09-29 | 2018-12-18 | 天津天重中直科技工程有限公司 | Bar jointing structure in short stress path rolling mill |
| CN109013707B (en) * | 2018-09-29 | 2024-03-19 | 中重科技(天津)股份有限公司 | Pull rod connecting structure in short stress line rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |