CN204672685U - A kind of milling train - Google Patents
A kind of milling train Download PDFInfo
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- CN204672685U CN204672685U CN201520203684.5U CN201520203684U CN204672685U CN 204672685 U CN204672685 U CN 204672685U CN 201520203684 U CN201520203684 U CN 201520203684U CN 204672685 U CN204672685 U CN 204672685U
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- 238000003801 milling Methods 0.000 title claims abstract description 49
- 230000001105 regulatory effect Effects 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000009434 installation Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 20
- 239000010959 steel Substances 0.000 description 20
- 210000000515 tooth Anatomy 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model discloses a kind of milling train, comprise frame, roll, roll gap adjustment device, roll gap adjustment device comprises regulating sleeve and is connected with regulating sleeve, for adjusting the adjusting rod of regulating sleeve position, the two ends of one group of roll are set in regulating sleeve respectively, and the two ends of roll can circumference be arranged in the installing hole of frame rotationally by regulating sleeve.Milling train provided by the utility model by internal sleeve is had roll, be directly placed on frame for the regulating sleeve driving roll to carry out roll gap adjustment, compared with prior art, adopt the dual-gripper mode at roll two ends, and be arranged in the installing hole of frame, the installation good stability of roll; Decrease the connector of roll, can regard as and directly be connected with frame, intermediate structure part is few, and overall structure is simple, and easily ensure the accuracy of manufacture of milling train, the gap between parts is few, and the rigidity of all-in-one-piece frame is high, and rolling mill structure is compact.
Description
Technical field
The utility model relates to steel rolling equipment technical field, particularly a kind of milling train.
Background technology
Milling train is as the capital equipment on steel production line, shaping for being rolled by blank, as the rolling for spiral, round steel, the isometric material types of steel of band steel.Due to the final molding instrument that milling train is steel product, the performance of its milling train is good and bad by the quality of direct influence of rolled product.As the rigidity of milling train and bouncing distortion can the precision of direct influence of rolled product.At present, for the milling train of rolling bar, mainly contain two types: one is short stress path rolling mill, the type milling train feature is supported in bearing block by top and bottom rolls, during rolling by four pull bars, the roll-force of top and bottom rolls is delivered to pull bar by bearing block, formation rod stress is cancelled out each other, and the transfer route of power is short, and line of tension is short, distortion spring is little, so be called short stress path rolling mill; Another kind is the milling train of memorial archway version, to be top and bottom rolls to be supported in memorial archway in rectangular frame by bearing block the type milling train feature, the roll-force of top and bottom rolls is delivered to memorial archway by bearing block and screw-down, and the internal force that upper and lower roll-force forms memorial archway is cancelled out each other.The milling train of this two type is compared, under equal mill stiffness and spring require situation, because the power transfer route of short stress path rolling mill is short, directly bear roll-force by four pull bars, compare memorial archway milling train, construction weight significantly alleviates, cost of investment significantly reduces, and it is easy to maintenance, thus be widely applied gradually in rolling bar is produced, but, when the higher mill stiffness of needs, rigidity is improved by the pull bar size increasing short stress path rolling mill, short stress path rolling mill huge structure can be made, roll changes etc. are difficult in maintenance, and the material of pull bar is generally excellent special steel, also cost is made significantly to increase, and unrealistic, be generally used for roll-force and require little and that required precision is not high occasion.Thus, now, often adopt memorial archway formula milling train, higher rolling rigidity is provided, memorial archway is generally integral cast steel material, but rolling mill structure bulky dimensions, weight is large, adds the difficulty such as manufacture, installation, maintenance, and precision is low, and due to its huge structure, make it be not suitable for high-speed rolling, be generally used for the large roll-force operating mode of low speed.
During current iron and steel is produced, because market situation is unsatisfactory, steel production enterprise is badly in need of to be transformed by technology upgrading, improve the quality of products reduction production cost, enhance competitiveness and earn a profit, in addition, the standard of country also requires that the quality of steel products is more and more higher, as, according to " steel industry adjustment and development planning " " (six) adjustment rolling shapes structure, improve the quality of products " in about " amendment relevant design specification, eliminate intensity 335MPa and following hot rolled ribbed bars, accelerate to promote the use of intensity 400MPa and above reinforcing bar, promote the upgrading of structural steel.These market conditions make the key tool of these Rolling Production existing, can not meet the production requirement in iron and steel enterprise's future completely.Steel strength as higher in rolling, need the milling train of higher rigidity, and then can control to obtain higher Product Precision, to improve the quality of products and to reduce costs, existing, a kind of short stress path rolling mill of improvement, mill stiffness is improved by shortening the body of roll, what achieve product subtracts fixed diameter rolling, to improve the rolling accuracy of product, intensity and quality etc., but, for reducing production cost further, produce and require again to pass through multi-segmentation, as four cut, the rolling mill practices such as five cuttings realize many and Rolling Production at a high speed simultaneously, reduce energy consumption cost, improve output, or reduce roll change number of times etc., but now need again that barrel length is longer meets splitting rolling demand, make to there is larger contradiction between this tool of production and Production requirement.
Most of milling train of the prior art can not meet the Production requirement of iron and steel enterprise completely, the steel strength that rolling is higher and quality, need the milling train of higher rigidity and precision, and then can control to obtain higher Product Precision, and improve the quality of products, reduce costs.
Therefore, how ensureing the rigidity of milling train and improve rolling accuracy, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of milling train, and meet the process requirements that iron and steel is produced, milling train possesses high rigidity and mill speed, light weight of equipment, low production maintenance cost and cost of investment.
For achieving the above object, the utility model provides following technical scheme:
A kind of milling train, comprise frame, roll, roll gap adjustment device, described roll gap adjustment device comprises regulating sleeve and is connected with described regulating sleeve, for adjusting the adjusting rod of described regulating sleeve position, described in one group, the two ends of roll are set in described regulating sleeve respectively, and the two ends of described roll can circumference be arranged in the installing hole of described frame rotationally by described regulating sleeve.
Preferably, described regulating sleeve is tube-in-tube structure part, and the cylindrical of described regulating sleeve and inner circle are eccentric structure.
Preferably, described frame comprises fore side frame and transmission side frame, is also provided with guide beam between described fore side frame and described transmission side frame.
Preferably, the cylindrical of described regulating sleeve is provided with worm-gear toothing, described adjusting rod is provided with worm tooth, described worm-gear toothing is meshed with described worm tooth.
Preferably, described roll comprises the first roll and the second roll, the worm-gear toothing rotation direction be set on the described regulating sleeve outside described first roll is contrary with the worm-gear toothing rotation direction of the described regulating sleeve be set in outside described second roll, and on described adjusting rod, the worm tooth rotation direction of corresponding described first roll is contrary with the described worm tooth rotation direction of corresponding described second roll.
Preferably, at least two described adjusting rods are comprised.
Preferably, connected between all described adjusting rods by steering gear, described steering gear is for controlling all described adjusting rod synchronous axial system.
Preferably, described adjusting rod is the segmented poles removably connected.
Milling train provided by the utility model compared with prior art structure is simple, because roll passes through regulating sleeve dual-gripper in the installing hole of rolling-mill housing, rolling-mill housing is processed with regulating sleeve installing hole, window in the rectangle comparing existing memorial archway formula rolling-mill housing, when the rigidity of frame is high, rolling works, distortion is less, and physical dimension is little, lightweight, manufacture simple, easily ensure the high accuracy of manufacture; And under same weight and dimensional conditions, compare the short stress path rolling mill of existing Tiebar structure, mill stiffness significantly improves, and structure is more simple, and intermediate structure part is few, and between parts, gap is few, and precision is high, low cost of manufacture.Simultaneously due to the high stiffness characteristics of frame itself, thus the problem that the body of roll rigidity lengthened for bringing during splitting rolling reduces, roll spring increases can be made up.
These features both ensure that meeting iron and steel produced following process requirements, again because rolling mill structure size is little, directly can replace the short stress path rolling mill on existing production line, facilitate technology upgrading to transform, with rolling high-strength degree and high-quality steel, and reduce investment and cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 provides by the utility model the structural representation of milling train specific embodiment;
Fig. 2 provides by the utility model the structural representation of milling train specific embodiment mid frame assembly;
Fig. 3 provides by the utility model the structural representation of roll gap adjustment device and roll in milling train specific embodiment;
Fig. 4 provides by the utility model the sectional structure schematic diagram of milling train specific embodiment;
Fig. 5 provides by the utility model the structural representation of milling train specific embodiment regulating sleeve.
Wherein, 1 is frame, and 2 is roll gap adjustment device, and 3 is roll, and 101 is fore side frame, 102 is transmission side frame, and 103 is installing hole, and 104 is pull bar, and 105 is guide beam, and 201 is regulating sleeve, 202 is adjusting rod, and 203 is steering gear, and 301 is the first roll, and 302 is the second roll.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Core of the present utility model is to provide a kind of milling train, and this milling train has higher rigidity.
Please refer to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5 be respectively the utility model the structural representation of the structural representation of the structural representation of the structural representation of milling train specific embodiment, housing assembly, roll gap adjustment device and roll, sectional structure schematic diagram and regulating sleeve is provided.
Wherein, 1 is frame, and 2 is roll gap adjustment device, and 3 is roll, and 101 is fore side frame, 102 is transmission side frame, and 103 is installing hole, and 104 is pull bar, and 105 is guide beam, and 201 is regulating sleeve, 202 is adjusting rod, and 203 is steering gear, and 301 is the first roll, and 302 is the second roll.
The milling train that the present embodiment provides, primary structure comprises frame 1, roll 3, roll gap adjustment device 2.
Frame 1 comprises fore side frame 101 and transmission side frame 102, is also provided with pull bar 104 and guide beam 105 between fore side frame 101 and transmission side frame 102.Guide beam 105 is fixed in frame, for installing the parts of fixed guide fittings device.Frame 1 is for being provided with the frame of installing hole 103, roll 3 is divided into the first roll 301 and the second roll 302, first roll 301 and the second roll 302 can upper and lower horizontal parallel be arranged under normal circumstances, further, the two ends of the first roll 301 and the second roll 302 are installed in the installing hole 103 of frame 1 respectively.
Optionally, the arrangement of two rolls 3 is not limited to the situation of above-mentioned upper and lower horizontal parallel, can adjust as the case may be, such as, vertically place etc.
Roll gap adjustment device 2 comprises regulating sleeve 201 and adjusting rod 202.Regulating sleeve 201 is barrier parts of a similar sleeve, and its inner circle and cylindrical are eccentric structure, and the cylindrical of regulating sleeve 201 is provided with worm-gear toothing.Adjusting rod 202 is rod-like structure part, and the periphery of adjusting rod 202 is provided with the worm tooth be meshed with the worm-gear toothing of above-mentioned regulating sleeve 201, and the two passes through engaged transmission.
Adjusting rod 202 is connected with a joggle with regulating sleeve 201, and its effect is exactly adjustment regulating sleeve 201 position and angle, and make regulating sleeve 201 when rotating, the coordinate position of inner circle changes.
One group of corresponding roll 3 used is set in regulating sleeve 201, and the two ends of one group of roll 3 all can be arranged on to axial rotation in the installing hole 103 of frame 1 by regulating sleeve 201.
Can be obtained by said structure, when adjusting rod 202 rotates, regulating sleeve 201 vertical is with it rotated by engaged transmission, and the regulating sleeve 201 of eccentric structure is when rotating, the roll 3 be set in its inner circle can be driven to move, thus affect the movement of roll 3 by the rotation of adjusting rod 202.
Optionally, in the above-described embodiments, the cylindrical of regulating sleeve 201 is provided with worm-gear toothing, adjusting rod 202 is provided with worm tooth, worm-gear toothing is meshed with worm tooth, be not limited to the transmission of above-mentioned worm and gear about regulating sleeve 201 and the connected mode of adjusting rod 202, other modes that can be used for a transmission also all can as the scheme of the present embodiment.
Optionally, roll 3 comprises the first roll 301 and the second roll 302, the worm-gear toothing rotation direction be set on the regulating sleeve 201 outside the first roll 301 is contrary with the worm-gear toothing rotation direction of the regulating sleeve 201 be set in outside the second roll 302, and on adjusting rod 202, the worm tooth rotation direction of corresponding first roll 301 is contrary with the worm tooth rotation direction of corresponding second roll 302.
Specifically please refer to Fig. 3 and Fig. 4, two adjusting rods 202 have two sections of worm tooths respectively, be rigidly connected by shaft coupling, synchronous axial system is arranged on after in frame 1, two sections of worm tooths engage with the worm-gear toothing on regulating sleeve 201 respectively, because the worm tooth rotation direction on same adjusting rod 202 is contrary, the first roll 301 and the second roll 302 then can be driven to carry out the contrary rotation of rotation direction, as shown in Figure 4, when making and installation, need the rotational angle first adjusting two regulating sleeves 201 consistent, ensure that the inner circle position of upper and lower two groups of regulating sleeves 201 is corresponding.During work, regulating sleeve 201 starts to rotate, the inner circle of upper and lower two groups of regulating sleeves 201 does the motion of approximate minute surface, can drive and be set in the first roll 301 in two regulating sleeves 201 and the second roll 302 does the motion of approximate minute surface, in the vertical direction, the two does in opposite directions or opposing motion simultaneously, realizes the adjustment of mill roll-gap.
The milling train that the present embodiment provides due to roll 3 by regulating sleeve 201 dual-gripper in the installing hole 103 of rolling-mill housing, rolling-mill housing is processed with regulating sleeve installing hole, window in the rectangle comparing existing memorial archway formula rolling-mill housing, the rigidity of frame 1 is high, during rolling work, distortion is less, decrease the connector of roll 3, can regard as and directly be connected with frame 1, intermediate structure part is few, the rigidity of milling train is high, overall structure is simple, the accuracy of manufacture of easy guarantee milling train, gap between parts is few, and the rigidity of frame is high, rolling mill structure is compact, size is little.And under same weight and dimensional conditions, compare the short stress path rolling mill of existing Tiebar structure, mill stiffness significantly improves, and structure is more simple, and intermediate structure part is few, and precision is high, low cost of manufacture.Simultaneously due to the high stiffness characteristics of frame itself, thus the problem that the body of roll rigidity lengthened for bringing during splitting rolling reduces, roll spring increases can be made up.
The method of two adjusting rods 202 corresponding one group of regulating sleeve respectively that utilizes described in the present embodiment has the following advantages: roll gap adjustment is simple, and regulated quantity is large, and milling train maintenances, roll change etc. facilitate.
These features had both ensured the process requirements meeting iron and steel production, and again because rolling mill structure is compact, size is little, directly can replace the short stress path rolling mill on existing production line, facilitate technology upgrading to transform, with rolling high-strength degree and high-quality steel, and reduce investment and cost.
Optionally, at least two adjusting rods 202 are comprised.Can use two, three adjusting rods 202, even more adjusting rod 202 drives two rolls 3 simultaneously, or uses the adjusting rod 202 being provided with many group worm tooths to drive the many groups roll 3 be arranged in parallel simultaneously.Such mode can economize energy effectively, utilizes milling train inner space better, reduces costs.
Optionally, connected between all adjusting rods 202 by steering gear 203, steering gear 203 is for controlling all adjusting rod 202 synchronous axial system.
Steering gear 203 can be the transmission devices such as reducer of turbodrill, and can arrange hydraulic motor equal power device above, for being connected by the adjusting rod 202 of both sides, realizes the synchronous axial system under automatically controlling.
Optionally, the segmented poles of adjusting rod 202 for removably connecting, conveniently installs and is connected adjustment.
In order to realize convenient installation, adjusting rod 202 drives the different segmentations of different roll 3 separately to manufacture, and realizes dismountable connection, as internal and external threads connection, key connection etc., or connect with shaft coupling and realize synchronous axial system, detachable assembling according to demand can be realized.
Optionally, bearing is provided with between roll 3 and regulating sleeve 201.
Optionally, the turbo tooth on regulating sleeve 201 cylindrical can not be whole circle.The utility model provide the structure of other each several parts of milling train to please refer to prior art, repeat no more herein.
Above milling train provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (8)
1. a milling train, comprise frame (1), roll (3), roll gap adjustment device (2), it is characterized in that, described roll gap adjustment device (2) comprises regulating sleeve (201) and is connected with described regulating sleeve (201), for adjusting the adjusting rod (202) of described regulating sleeve (201) position, described in one group, the two ends of roll (3) are set in described regulating sleeve (201) respectively, and the two ends of described roll (3) can circumference be arranged in the installing hole of described frame (1) rotationally by described regulating sleeve (201).
2. milling train according to claim 1, is characterized in that, described regulating sleeve (201) is tube-in-tube structure part, and the cylindrical of described regulating sleeve (201) and inner circle are eccentric structure.
3. milling train according to claim 2, it is characterized in that, described frame (1) comprises fore side frame (101) and transmission side frame (102), is also provided with guide beam (105) between described fore side frame (101) and described transmission side frame (102).
4. milling train according to claim 3, is characterized in that, the cylindrical of described regulating sleeve (201) is provided with worm-gear toothing, and (202) are provided with worm tooth with described adjusting rod, and described worm-gear toothing is meshed with described worm tooth.
5. milling train according to claim 4, it is characterized in that, described roll (3) comprises the first roll (301) and the second roll (302), the worm-gear toothing rotation direction be set on the described regulating sleeve (201) in described first roll (301) outside is contrary with the worm-gear toothing rotation direction of the described regulating sleeve (201) being set in described second roll (302) outside, and the worm tooth rotation direction of upper corresponding described first roll (301) of described adjusting rod (202) is contrary with the described worm tooth rotation direction of corresponding described second roll (302).
6. milling train according to claim 5, is characterized in that, comprises at least two described adjusting rods (202).
7. milling train according to claim 6, it is characterized in that, connected by steering gear (203) between all described adjusting rods (202), described steering gear (203) is for controlling all described adjusting rod (202) synchronous axial system.
8. milling train according to claim 7, is characterized in that, described adjusting rod (202) segmented poles for removably connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203684.5U CN204672685U (en) | 2015-04-07 | 2015-04-07 | A kind of milling train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203684.5U CN204672685U (en) | 2015-04-07 | 2015-04-07 | A kind of milling train |
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| CN204672685U true CN204672685U (en) | 2015-09-30 |
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| CN201520203684.5U Active CN204672685U (en) | 2015-04-07 | 2015-04-07 | A kind of milling train |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690089A (en) * | 2015-04-07 | 2015-06-10 | 冯宗茂 | Rolling mill |
| CN106040742A (en) * | 2016-05-23 | 2016-10-26 | 北京京诚瑞信长材工程技术有限公司 | Rolling mill |
| CN110303054A (en) * | 2019-08-06 | 2019-10-08 | 中冶赛迪技术研究中心有限公司 | A kind of mill roll-gap automatic regulating apparatus and its application method |
-
2015
- 2015-04-07 CN CN201520203684.5U patent/CN204672685U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690089A (en) * | 2015-04-07 | 2015-06-10 | 冯宗茂 | Rolling mill |
| CN106040742A (en) * | 2016-05-23 | 2016-10-26 | 北京京诚瑞信长材工程技术有限公司 | Rolling mill |
| CN106040742B (en) * | 2016-05-23 | 2018-07-17 | 北京京诚瑞信长材工程技术有限公司 | A kind of milling train |
| CN110303054A (en) * | 2019-08-06 | 2019-10-08 | 中冶赛迪技术研究中心有限公司 | A kind of mill roll-gap automatic regulating apparatus and its application method |
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Effective date of registration: 20160308 Address after: 400030 C 4-1, University City Education and technology promotion center, 1 University Town South Road, Shapingba District, Chongqing Patentee after: CHONGQING MAITUO TECHNOLOGY CO., LTD. Address before: 400038, No. 10, Fung Tin Road, Shapingba District, Chongqing, 1, 20-3 Patentee before: Feng Zongmao |
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Effective date of registration: 20200119 Address after: 243000 building 3, No. 669, Chaoshan West Road, Ma'anshan economic and Technological Development Zone (Demonstration Park), Ma'anshan City, Anhui Province Patentee after: Anhui Sinosteel Nuotai Engineering Technology Co., Ltd Address before: 400030 C 4-1, University City Education and technology promotion center, 1 University Town South Road, Shapingba District, Chongqing Patentee before: CHONGQING MAITUO TECHNOLOGY CO., LTD. |
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