CN115193913B - Cold rolling device and method for stainless steel strip - Google Patents
Cold rolling device and method for stainless steel strip Download PDFInfo
- Publication number
- CN115193913B CN115193913B CN202210841375.5A CN202210841375A CN115193913B CN 115193913 B CN115193913 B CN 115193913B CN 202210841375 A CN202210841375 A CN 202210841375A CN 115193913 B CN115193913 B CN 115193913B
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- fixed
- sliding
- stainless steel
- brackets
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 52
- 239000010935 stainless steel Substances 0.000 title claims abstract description 52
- 238000005097 cold rolling Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/021—Twin mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a cold rolling device and a cold rolling method for a stainless steel belt, wherein the cold rolling device comprises a base, a plurality of groups of symmetrical gantry-type brackets are fixedly distributed on the base, fixed blocks are fixed at the bottoms of the brackets, sliding blocks are arranged in the middle of the brackets in a vertically sliding mode, fixed press rollers are jointly and rotatably arranged between the two fixed blocks of each group of brackets, sliding press rollers are rotatably arranged between the two sliding blocks, each fixed press roller is respectively connected with a driving motor fixed in the base, the tops of each group of brackets are connected together through a connecting plate, eccentric wheels capable of controlling the heights of the sliding blocks are arranged on the connecting plate, and clamping assemblies are respectively arranged on one sides, closest to and farthest from the outer sides of the two groups of brackets at one feeding end. Compared with the prior art, the stainless steel strip rolling device has the advantages that the thickness of each sliding compression roller for rolling the stainless steel strip can be quickly and uniformly changed, and the stainless steel strip can be subjected to step rolling with different thicknesses.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a cold rolling device and method for a stainless steel strip.
Background
The stainless steel strip is processed by a cold rolling device during production and processing, the stainless steel strip is cold rolled into the stainless steel strip with a certain thickness through the press rollers with a certain distance in the prior art, each press roller is required to be adjusted one by one during rolling of the steel strip with different thickness, time is wasted, the efficiency is low, adjustment uniformity is difficult to guarantee, and the precision is low. And when the rolling quantity is large, the stainless steel belt can generate larger reaction force on the press roller, so that the deformation of the press roller affects the precision.
Accordingly, there is a need for a cold rolling apparatus and method for stainless steel strip that solves the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cold rolling device for stainless steel strip, includes the base, fixed distribution has the planer-type support of multiunit symmetry on the base, the support bottom is fixed with the fixed block, the support middle part is equipped with the sliding block with sliding from top to bottom, rotationally is equipped with fixed compression roller, two between the sliding block of every group support between two fixed blocks jointly, every fixed compression roller connects a driving motor who fixes in the base respectively, and the top of every group support is connected together through the connecting plate, be equipped with the eccentric wheel that can control the sliding block height on the connecting plate, be close to and furthest from two groups of supports of feeding one end outside one side respectively is equipped with the centre gripping subassembly.
Further, preferably, guide shafts are fixed on two sides of the sliding block, the guide shafts are connected to one sliding shaft together, the sliding shaft penetrates through the upper portion of the support, a connecting rod is hinged to the upper portion of the sliding shaft, and the other end of the connecting rod is rotatably connected to the eccentric wheel at the position deviating from the circle center.
Further, preferably, the eccentric wheels corresponding to each group of brackets are fixedly connected together through a rotating shaft, the rotating shaft is rotatably connected into the connecting plate, and a gear is also fixed in the rotating shaft.
Further, preferably, a sliding groove is fixed above each bracket, a rack is slidably arranged in the sliding groove, the rack is meshed with each gear, and one end of the rack is connected with the sliding groove through a servo hydraulic rod.
Further, preferably, two guide shafts in the same support jointly penetrate through the guide plate, the sliding shaft is fixed in the guide plate, threads are formed on the outer wall of the guide shaft, nuts sleeved in each guide shaft are rotatably arranged in the guide plate, and the nuts are in threaded connection with the guide shafts.
Further, preferably, one end of the guide shaft penetrating out of the top of the bracket is connected with the bracket through a spring, and the spring provides upward elastic force.
Further, as the preference, the clamping assembly includes the fixed strip of fixing between two supports of same group, fixed strip both sides slidably run through two bolts, the bolt top is fixed with the holding strip parallel with the fixed strip jointly, just the holding strip still links together with the fixed strip through the centre gripping cylinder, the upper surface of fixed strip is in same horizontal plane with the last tangent line of fixed compression roller.
A method for using a cold rolling device for stainless steel strips comprises
S1, rotating nuts in each group of brackets, wherein the distance between a fixed compression roller and a sliding compression roller in each group of brackets is gradually decreased from front to back;
s2, adjusting the initial length of the servo hydraulic rod to enable the distance between the fixed press roller and the sliding press roller in the rearmost group of brackets to be equal to the thickness of the finished stainless steel belt;
S3, enabling the stainless steel strip to be processed to pass through the clamping assembly at the front end and enter between the fixed compression roller and the sliding compression roller, starting each driving motor to enable the fixed compression roller to rotate at a constant speed, and driving the stainless steel strip to pass through each fixed compression roller and each sliding compression roller in sequence to roll in steps with different thicknesses;
S4, in the rolling process, the stainless steel belt is clamped through the clamping assembly, so that the stainless steel belt and the fixed compression roller are in sliding friction, meanwhile, the servo hydraulic rod is enabled to stretch back and forth and is not shorter than the initial length, and the sliding compression roller can be enabled to squeeze the stainless steel belt back and forth.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the connecting rod can drive the sliding shaft to lift by rotating the eccentric wheel, so that the sliding block and the sliding press roller can move to different heights, and the stainless steel belt rolling device is suitable for rolling stainless steel belts with different thicknesses. The rack can synchronously drive each gear to rotate through the extension and contraction of the servo hydraulic rod, so that each sliding press roll is driven to synchronously change the height, and the thickness of the stainless steel strip rolled by each sliding press roll can be quickly and uniformly changed.
According to the invention, the nut is rotated to drive the guide shaft to move up and down, so that the initial height of the sliding block is adjusted, the initial heights of the sliding press rollers corresponding to each group of brackets are different, the stainless steel strip can be subjected to step rolling with different thicknesses, and the reaction force born by each sliding press roller is reduced.
According to the invention, in the rolling process, the stainless steel belt is clamped by the clamping assembly, so that the stainless steel belt and the fixed press roller are in sliding friction, and meanwhile, the servo hydraulic rod is enabled to stretch back and forth and is not shorter than the initial length, so that the sliding press roller can be enabled to squeeze the stainless steel belt back and forth, the rolling efficiency is improved, and the influence on the thickness precision of the stainless steel belt caused by the elastic deformation of the fixed press roller and the sliding press roller can be reduced.
Drawings
FIG. 1 is a schematic view of a cold rolling apparatus for stainless steel strip;
FIG. 2 is a schematic view of the structure of the inside of a set of brackets;
In the figure: 1. a base; 2. a bracket; 3. a fixed block; 31. fixing a compression roller; 32. a driving motor; 4. a sliding block; 41. sliding press rolls; 5. a guide shaft; 51. a guide piece; 52. a nut; 53. a spring; 6. a sliding shaft; 7. a connecting rod; 8. an eccentric wheel; 81. a connecting plate; 82. a rotating shaft; 83. a gear; 9. a clamping assembly; 91. a fixing strip; 92. clamping strips; 93. a plug pin; 94. a clamping cylinder; 10. a chute; 11. a rack; 12. a servo hydraulic rod.
Detailed Description
Referring to fig. 1 and 2, in an embodiment of the present invention, a cold rolling apparatus for stainless steel strips includes a base 1, a plurality of symmetrical gantry brackets 2 are fixedly distributed on the base 1, fixed blocks 3 are fixed at the bottom of the brackets 2, sliding blocks 4 are slidably disposed in the middle of the brackets 2 up and down, a fixed press roller 31 is rotatably disposed between the two fixed blocks 3 of each bracket 2, a sliding press roller 41 is rotatably disposed between the two sliding blocks 4, each fixed press roller 31 is respectively connected with a driving motor 32 fixed in the base 1, the tops of each bracket 2 are connected together through a connecting plate 81, eccentric wheels 8 capable of controlling the heights of the sliding blocks 4 are disposed on the connecting plate 81, and clamping assemblies 9 are disposed on the sides, closest to and farthest from the two brackets 2 at one feeding end, respectively.
In this embodiment, guide shafts 5 are fixed on two sides of the sliding block 4, the guide shafts 5 are connected to a sliding shaft 6 together, the sliding shaft 6 penetrates through the support 2, a connecting rod 7 is hinged above the sliding shaft 6, and the other end of the connecting rod 7 is rotatably connected to the eccentric wheel 8 at the position deviating from the circle center. That is, the connecting rod 7 can drive the sliding shaft 6 to lift by rotating the eccentric wheel 8, so that the sliding block 4 and the sliding press roll 41 can be moved to different heights to adapt to rolling stainless steel belts with different thicknesses.
In this embodiment, the eccentric wheels 8 corresponding to each group of brackets 2 are fixedly connected together through a rotating shaft 82, the rotating shaft 82 is rotatably connected to the connecting plate 81, and a gear 83 is also fixed in the rotating shaft 82.
In this embodiment, a chute 10 is fixed above each bracket 2, a rack 11 is slidably disposed in the chute 10, the rack 11 is engaged with each gear 83, and one end of the rack 11 is connected with the chute 10 through a servo hydraulic rod 12. The rack 11 can synchronously drive each gear 83 to rotate through the extension and contraction of the servo hydraulic rod 12, so that each sliding press roll 41 is driven to synchronously change the height, and the thickness of the stainless steel strip rolled by each sliding press roll 41 can be quickly and uniformly changed.
In this embodiment, two guide shafts 5 in the same support 2 jointly penetrate through the guide plate 51, the sliding shaft 6 is fixed in the guide plate 51, threads are formed on the outer wall of the guide shaft 5, a nut 52 sleeved in each guide shaft 5 is rotatably arranged in the guide plate 51, and the nut 52 is in threaded connection with the guide shaft 5. The nut 52 can be rotated to drive the guide shaft 5 to move up and down, so that the initial height of the sliding block 4 is adjusted, the initial heights of the sliding press rollers 41 corresponding to each group of brackets 2 can be different, the stainless steel belt can be subjected to step rolling with different thicknesses, and the reaction force born by each sliding press roller 41 is reduced.
In this embodiment, the end of the guide shaft 5 extending out of the top of the bracket 2 is connected to the bracket 2 through a spring 53, and the spring 53 provides an upward elastic force. The spring 53 can reduce the weight force of the sliding block 4 and the sliding compression roller 41, which is required for the guide shaft 5 to move up and down, so that the process of adjusting the guide shaft 5 to move up and down by rotating the nut 52 is smoother.
In this embodiment, the clamping assembly 9 includes a fixing strip 91 fixed between two brackets 2 in the same group, two pins 93 slidably penetrate through two sides of the fixing strip 91, a clamping strip 92 parallel to the fixing strip 91 is fixed above the pins 93, the clamping strip 92 is further connected to the fixing strip 91 through a clamping cylinder 94, and an upper surface of the fixing strip 91 and an upper tangent line of the fixing press roller 31 are in the same horizontal plane. That is, the stainless steel belt passing between the fixing strip 91 and the clamping strip 92 can be clamped or unclamped by the extension and contraction of the clamping cylinder 94.
A method for using a cold rolling device for stainless steel strips comprises
S1, rotating nuts 52 in each group of brackets 2, wherein the distance between the fixed compression roller 31 and the sliding compression roller 41 in each group of brackets 2 is gradually decreased from front to back;
S2, adjusting the initial length of the servo hydraulic rod 12 to enable the distance between the fixed compression roller 31 and the sliding compression roller 41 in the rearmost group of brackets 2 to be equal to the thickness of a finished stainless steel belt;
S3, the stainless steel strip to be processed passes through the clamping assembly 9 at the front end and enters between the fixed press roller 31 and the sliding press roller 41, and each driving motor 32 is started to enable the fixed press roller 31 to rotate at a constant speed so as to drive the stainless steel strip to pass through each fixed press roller 31 and each sliding press roller 41 in sequence to perform step rolling with different thicknesses;
S4, in the rolling process, the stainless steel belt is clamped through the clamping assembly 9, so that the stainless steel belt and the fixed press roller 31 are in sliding friction, meanwhile, the servo hydraulic rod 12 is enabled to stretch back and forth and is not shorter than the initial length, the sliding press roller 41 can be enabled to squeeze the stainless steel belt back and forth, rolling efficiency is improved, and the influence on the thickness precision of the stainless steel belt due to elastic deformation of the fixed press roller 31 and the sliding press roller 41 can be reduced.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a cold rolling device for stainless steel strip, includes base (1), its characterized in that, fixedly distributed has multiunit symmetrical planer-type support (2) on base (1), support (2) bottom is fixed with fixed block (3), support (2) middle part is equipped with slider (4) with sliding up and down, be equipped with fixed compression roller (31) jointly rotatable between two fixed blocks (3) of every group support (2), be equipped with sliding compression roller (41) rotatably between two slider (4), every fixed compression roller (31) connect respectively one driving motor (32) of fixing in base (1), the top of every group support (2) is connected together through connecting plate (81), be equipped with eccentric wheel (8) that can control slider (4) height on connecting plate (81), be equipped with centre gripping subassembly (9) respectively closest to and furthest from the outside one side of two groups support (2) of feeding one end;
Guide shafts (5) are fixed on two sides of the sliding block (4), the guide shafts (5) are connected into one sliding shaft (6) together, the sliding shaft (6) penetrates through the support (2), a connecting rod (7) is hinged above the sliding shaft (6), and the other end of the connecting rod (7) is rotatably connected to the eccentric wheel (8) deviating from the circle center;
The eccentric wheels (8) corresponding to each group of brackets (2) are fixedly connected together through a rotating shaft (82), the rotating shaft (82) is rotatably connected into a connecting plate (81), and a gear (83) is also fixed in the rotating shaft (82);
A sliding groove (10) is commonly fixed above each bracket (2), a rack (11) is slidably arranged in each sliding groove (10), the rack (11) is meshed with each gear (83), and one end of the rack (11) is connected with the sliding groove (10) through a servo hydraulic rod (12);
Two guide shafts (5) in the same support (2) jointly penetrate through the guide plates (51), the sliding shafts (6) are fixed in the guide plates (51), threads are formed on the outer walls of the guide shafts (5), nuts (52) sleeved in each guide shaft (5) are rotatably arranged in the guide plates (51), and the nuts (52) are in threaded connection with the guide shafts (5).
2. Cold rolling device for stainless steel strips according to claim 1, characterized in that the end of the guiding shaft (5) extending beyond the top of the stand (2) is connected to the stand (2) by means of a spring (53), said spring (53) providing an upward spring force.
3. Cold rolling device for stainless steel strips according to claim 1, characterized in that the clamping assembly (9) comprises a fixing strip (91) fixed between two brackets (2) of the same group, two bolts (93) are slidably penetrated on two sides of the fixing strip (91), clamping strips (92) parallel to the fixing strip (91) are jointly fixed above the bolts (93), and the clamping strips (92) are connected with the fixing strip (91) through a clamping cylinder (94), and the upper surface of the fixing strip (91) and the upper tangent line of the fixing press roll (31) are in the same horizontal plane.
4. A method of using a cold rolling apparatus for stainless steel strip according to any one of claims 1 to 3, comprising
S1, rotating nuts (52) in each group of brackets (2), wherein the distance between a fixed compression roller (31) and a sliding compression roller (41) in each group of brackets (2) is gradually decreased from front to back;
S2, adjusting the initial length of the servo hydraulic rod (12) to enable the distance between the fixed press roller (31) and the sliding press roller (41) in the rearmost group of brackets (2) to be equal to the thickness of the finished stainless steel belt;
s3, enabling the stainless steel strip to be processed to pass through a clamping assembly (9) at the front end and enter between a fixed press roller (31) and a sliding press roller (41), and starting each driving motor (32) to enable the fixed press roller (31) to rotate at a constant speed so as to drive the stainless steel strip to pass through each fixed press roller (31) and each sliding press roller (41) in sequence to be rolled in steps with different thicknesses;
S4, in the rolling process, the stainless steel belt is clamped through the clamping assembly (9), so that the stainless steel belt and the fixed pressing roller (31) are in sliding friction, meanwhile, the servo hydraulic rod (12) is enabled to stretch back and forth and is not shorter than the initial length, and the sliding pressing roller (41) can be enabled to squeeze the stainless steel belt back and forth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210841375.5A CN115193913B (en) | 2022-07-18 | 2022-07-18 | Cold rolling device and method for stainless steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210841375.5A CN115193913B (en) | 2022-07-18 | 2022-07-18 | Cold rolling device and method for stainless steel strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115193913A CN115193913A (en) | 2022-10-18 |
| CN115193913B true CN115193913B (en) | 2024-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210841375.5A Active CN115193913B (en) | 2022-07-18 | 2022-07-18 | Cold rolling device and method for stainless steel strip |
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| Country | Link |
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| CN (1) | CN115193913B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373369B (en) * | 2023-02-21 | 2023-08-29 | 潜江除尘设备有限公司 | Full-automatic tile press |
| CN117102239B (en) * | 2023-08-01 | 2024-02-13 | 杭州富阳立利冷轧有限公司 | Cold rolling mill capable of automatically compensating cold rolling thickness |
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| CN208555569U (en) * | 2018-07-04 | 2019-03-01 | 杭州中原机械厂 | Cold-bending forming machine |
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| Publication number | Publication date |
|---|---|
| CN115193913A (en) | 2022-10-18 |
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