WO2012155852A1 - Adjustment device for rolling mill roll - Google Patents
Adjustment device for rolling mill roll Download PDFInfo
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- WO2012155852A1 WO2012155852A1 PCT/CN2012/075650 CN2012075650W WO2012155852A1 WO 2012155852 A1 WO2012155852 A1 WO 2012155852A1 CN 2012075650 W CN2012075650 W CN 2012075650W WO 2012155852 A1 WO2012155852 A1 WO 2012155852A1
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- Prior art keywords
- rolling mill
- spring
- assembly
- bearing block
- disposed
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- 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
- B21B31/203—Balancing rolls
Definitions
- the invention relates to a rolling mill device, in particular to an adjusting device for a rolling mill roll.
- the processing of wire rods is mostly made by rolling mills.
- the rolling mill can be divided into a arch-type frame, a cantilever frame or a profile-welded frame-type frame according to its structure.
- the adjustment and control of the roll spacing directly leads to the size of the product to be rolled, and the product to be rolled
- the dimensional accuracy is dependent on the overall rigidity of the mill stand and rolls, the accuracy of the rolls and the material selection.
- the patent document entitled "The roll gap adjustment system of the frameless rolling stand” (Publication No. CN1108975A) comprises an upper left-handed threaded section 22a, an intermediate cylindrical section 22b and a lower right-handed threaded section 22c.
- the screw 12, the adjacent first and second bearing block assemblies are connected to each other by a pair of identically configured screws 12, and the cylindrical section 22b in the middle of the screw 12 is axially fixed relative to the frame member 28 and is journaled so as to be in the frame member.
- the frame member 28 itself is supported on the base 30, and the upper left-handed threaded section 22a and the lower right-handed threaded section 22c are respectively connected to the first and second bearing housing assemblies, in fact, the first and second bearing housing assemblies are simultaneously Approach or separate motion to achieve adjustment of the roll gap.
- the disadvantage of this solution is that when the screw 12 is subjected to the tensile force, the entire length of the rod is elongated and deformed, and the rigidity thereof is poor; the lower end of the screw 12 is drooping, and the second roller 14 on the second bearing housing assembly is subjected to the line during rolling.
- An adjustment device for a roll of a rolling mill characterized in that: a lower pressure cylinder for pushing the two to be separated is disposed between the upper beam and the second bearing block assembly, wherein the first and second bearing block assemblies are adjacent to each other and between the opposite end faces Set the spring that pushes the two apart.
- the second bearing block assembly that is, the bearing block assembly located at the upper portion, is defined by the guide groove disposed on the column along the longitudinal direction of the column to define the axial position of the roller and can move in the vertical direction in the guide groove, and is pressed downward.
- the pressing action of the cylinder and the spring supporting action realize the position limitation of the second bearing block assembly, thereby determining the position of the upper roll, determining the roll gap of the two rolls by adjusting the upper roll, and ensuring the rolling precision
- the pressing action of the lower pressure cylinder is driven by the hydraulic control module, and the upward balance elastic force provided by the spring increases or decreases with the deformation amount, so that the position adjusted roller is reliably at the position.
- Figure 1 is a schematic view of the structure of the present invention
- FIG. 2 and 3 are partial enlarged views of Fig. 1, respectively.
- the rolling precision depends not only on the resistance to deformation of the roll, that is, the rigidity, but also the reliability of the fixed structure of the roll frame to the roll. In view of the wear, the roll gap needs to be properly adjusted in real time.
- the invention relates to a new and effective solution for the fixed structure and adjustment of the frame to the roll. The details are as follows.
- the rolling mill adjusting device includes first and second rolls 30A disposed on the first and second bearing housing assemblies 30, 40. 40A, one end of the column 20 is connected to the rolling stand 10, and the other end is connected to the upper beam 50, and the first bearing block assembly 30 is composed of the column 20 and/or the rolling stand 10 Forming a limiting mechanism that defines displacement of the first bearing block assembly 30 in the up and down direction, in the axial direction of the roll or in the direction of travel of the rolled material; the upper beam 50 and the second bearing block assembly 40 There is disposed a lower pressure cylinder 80 for pushing the two to separate, and the first and second bearing housing assemblies 30, 40 are adjacent to each other and a spring 70 for pushing the separation therebetween is provided between the opposite end faces.
- the first bearing block assembly 30 is realized by the column 20, the rolling mill stand 10 or independently or cooperatively.
- the corresponding degree of freedom constraints, such a direct through the column 20, the rolling mill stand 10 to the first bearing block assembly 30 solution has the advantages of simple structure, convenient and reliable positioning, and large binding force.
- Second housing assembly 40 It is placed between the lower cylinder 80 and the spring 70, so the constraint in the up and down direction is also simple and reliable, so that the positions of the first and second rolls 30A, 40A are reliably determined.
- the end face of the first bearing block assembly 30 has an inverted shape, that is, the view in the axial direction is represented as an inverted convex shape, and the rolling stand 10
- the upper concave region constitutes a limiting mechanism that limits the movement of the first bearing block assembly in the direction of travel of the rolled material. This is through the first bearing block assembly 30 and the mill stand 10 The cooperation achieves positional positioning along the direction of travel of the rolled material.
- the above structure is to realize the first bearing block assembly 30
- the displacement of the upper and lower, left and right, and front and rear directions and the rotation of the corresponding direction realize the reliable positioning of the first bearing block assembly 30.
- the first bearing block assembly 30 is reliably positioned to provide a prerequisite for the adjustment of the roll gap.
- the first and second bearing block assemblies 30, 40 are adjacent to each other and the spring 70 disposed between the opposite end faces is a disc spring, and the upper beam 50
- the lower pressure cylinder 80 that drives the two bearing housing assembly 40 is disposed, and the spring 70 cooperates with the lower pressure cylinder 80 to form the first and second bearing housing assemblies 30, 40. Adjustment mechanism for the pitch.
- the upper section of the column 20 is provided with a cylindrical section 23 between the cylindrical thread section 21 and the square column section 22, and the cylindrical section 23
- the holes are matched with the holes on the upper beam 50, and the column legs 22 of the middle section of the column 20 are provided with rail grooves 24 arranged along the longitudinal direction of the column 20, and the second bearing block assembly 40 Located in the slot of the rail slot 24.
- the groove bottoms of the two rail slots 24 at the same end of the second bearing block assembly 40 form a pair of second housing assemblies 40 Along the limit in the direction of travel of the rolled material, the walls of the groove form a limit on the axial direction of the second chock assembly 40, thus achieving the second chock assembly 40 along the rail groove 24
- the defined direction is the displacement in the longitudinal direction of the column.
- the spring 70 includes first and second disc springs disposed perpendicular to the adjacent end faces of the first and second bearing block assemblies 30, 40. 71, 72, two disc springs 71, 72 The stiffness is different and superimposed.
- the first and second disc springs 71 and 72 have different spring constants and a spring with a small spring constant 72 When subjected to the downforce, the first rapid contraction deformation is performed to achieve a coarse adjustment.
- the two springs 71, 72 are contracted and deformed into position, so that the second bearing block assembly 40 Positioned by the upper lowering cylinder and the lower spring 70, the structure provides a substantially rigid fixation to securely position the second bearing block assembly 40, ensuring the first and second housing assemblies 30, 40 The spacing is constant so that the rolling accuracy can be ensured.
- a stepped counterbore or a blind hole 31 is disposed on the upper end surface of the first retainer assembly 30, and the sleeve is provided with a sleeve 32 and a blind hole 31.
- Two stepped cavities formed by the large and small apertures from the top and bottom of the sleeve 32 are used for accommodating the first and second disc springs 71, 72, and the first and second disc springs 71, 72 are sleeved on the step shaft Guide bar 33
- the upper end of the guide rod 33 is attached to the lower end surface of the second bearing housing assembly 40.
- the large diameter section of the upper section of the above-mentioned guide rod 33 and the first disc spring 71 With the sleeve fit, the middle diameter section of the middle section is fitted with the second disc spring 72.
- the two ends of the first disc spring 71 are located between the head of the guide rod 33 and the first step of the upper portion of the blind hole 31, and the second disc spring 72 The two ends are located between the middle step of the guiding rod 33 and the second step of the middle of the blind hole 31.
- the lower end of the guiding rod 33 is disposed on the lower end of the second disc spring 72, and a round nut 34 is provided.
- the first and second disc springs 71, 72 can be prevented from being separated from the guide rod 33 during assembly, which facilitates assembly and disassembly operations.
- the upper end surface of the second bearing block assembly 40 is provided with a plate-shaped spacer 90 for pressing the piston rod 81 of the cylinder 80.
- the end of the block is pressed against the central plate surface of the spacer 90, so that the force of the second bearing block assembly 40 is uniform, and the lower pressure cylinder 80 is provided at both ends of the roller.
- a buffer disc spring 100 is disposed between the cylinder head 82 of the lower pressure cylinder 80 on the side of the piston rod 81 and the spacer 90, and the disc spring 100
- the sleeve 110 is sleeved and placed in a sleeve-shaped socket 120.
- the construction of the buffer disc spring 100 can be referred to the assembly principle of the first and second disc springs 71, 72.
- Buffer disc spring 100 The function of ensuring the occurrence of oil leakage or other failures of the lower pressure cylinder 80, the elastic force of the first and second disc springs 71, 72 is rapidly released, and the impact and collision phenomenon occur between the relevant components, firstly by the buffer disc spring 100 The force is deformed to avoid the impact and collision phenomenon.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Disclosed is an adjustment device for a rolling mill roll used in steel rolling equipment. A downward pressure oil cylinder (80) capable of pushing apart an upper crossbeam (50) and a second bearing chock assembly (40) is disposed between the two. A spring (70) capable of pushing apart the first bearing chock assembly (30) and the second bearing chock assembly is disposed between opposing and adjacent end faces of the two chock assemblies. The adjustment device secures the position of the bearing chock assembly, is easy to assemble and can reduce radial vibrations.
Description
技术领域 Technical field
本发明涉及轧钢设备，具体讲就是轧机轧辊的调整装置。 The invention relates to a rolling mill device, in particular to an adjusting device for a rolling mill roll.
背景技术 Background technique
现有技术中
线棒材的加工，多是采用轧机轧制而成的。而轧机就其结构来分一般可分为牌坊式机架、悬臂式机架或由型材焊接为牌坊式机架，轧辊间距的调节和控制直接导致待轧制产品的尺寸，待轧制产品的尺寸精度又依赖轧机机架和轧辊的整体刚性、轧辊的精度和选材。 Prior art
The processing of wire rods is mostly made by rolling mills. The rolling mill can be divided into a arch-type frame, a cantilever frame or a profile-welded frame-type frame according to its structure. The adjustment and control of the roll spacing directly leads to the size of the product to be rolled, and the product to be rolled The dimensional accuracy is dependent on the overall rigidity of the mill stand and rolls, the accuracy of the rolls and the material selection.
名称为《高速轧机线材生产》（冶金工业出版社，《
高速轧机线材生产》编写组编著，中国版本图书馆CIP数据核字（95）第15831号，1995年11月第1版，1996年9月第4次印刷）的第9章'高速线材轧机的主机与辅机'（P427～430页）对轧辊径向调整的原因、原理、原则及基本方案进行了说明。概括来讲就是丝杆螺母构成调整机构为基本方案。 The name is "High Speed Roller Wire Production" (Metallurgical Industry Press, "
High-speed rolling mill wire production" compiled by the Chinese version of the library CIP data nuclear (95) No. 15831, November 1995 first edition, September 1996, the fourth printing) Chapter 9 'High-speed wire mill The main engine and auxiliary machine's (P427-430) explain the reasons, principles, principles and basic schemes of the radial adjustment of the rolls. In summary, the screw nut constitutes the adjustment mechanism as the basic solution.
名称为'支撑辊辊身带有液压下压装置的钢板轧机'（公开号CN101658862A）的专利文献，该方案中虽涉及液压下压装置，但该技术方案只适用于板材轧机的支撑辊辊身上。
The patent document entitled 'Steel Rolling Mill with Supporting Roller Body with Hydraulic Lowering Device' (Publication No. CN101658862A), which relates to the hydraulic pressing device, but the technical solution is only applicable to the supporting roller of the plate rolling mill. .
名称为'无机架轧机机座的辊缝调节系统'（公开号CN1108975A）的专利文献，其结构中包括一上部的左旋螺纹段22a、一中间的圆柱段22b及一下部的右手螺纹段22c的螺杆12，相邻的第一、二轴承座组件由一对构造完全相同的螺杆12相互连接，螺杆12中间的圆柱段22b相对于架件28沿轴向固定并且作成轴颈从而在架件28内转动，架件28本身支撑在基座30上，上部的左旋螺纹段22a和下部的右手螺纹段22c分别于第一、二轴承座组件相连，实际上第一、二轴承座组件是同时作接近或分离运动来实现辊缝的调节的。该方案的缺陷在于：螺杆12受拉力作用时其整个杆长范围均伸长变形，其刚度差；螺杆12的下端呈下垂状，第二轴承座组件上的第二轧辊14轧制时受到线棒材行走方向的冲击载荷时，螺杆12的下端也压弯曲变形，导致第一、二轧辊的过年工作位置发生位移，严重影响轧制精度。该方案实际是属于蜗轮蜗杆传动机构，该机构适于在停机或换辊时进行调节，无法实现在线调节。
The patent document entitled "The roll gap adjustment system of the frameless rolling stand" (Publication No. CN1108975A) comprises an upper left-handed threaded section 22a, an intermediate cylindrical section 22b and a lower right-handed threaded section 22c. The screw 12, the adjacent first and second bearing block assemblies are connected to each other by a pair of identically configured screws 12, and the cylindrical section 22b in the middle of the screw 12 is axially fixed relative to the frame member 28 and is journaled so as to be in the frame member. Rotating within 28, the frame member 28 itself is supported on the base 30, and the upper left-handed threaded section 22a and the lower right-handed threaded section 22c are respectively connected to the first and second bearing housing assemblies, in fact, the first and second bearing housing assemblies are simultaneously Approach or separate motion to achieve adjustment of the roll gap. The disadvantage of this solution is that when the screw 12 is subjected to the tensile force, the entire length of the rod is elongated and deformed, and the rigidity thereof is poor; the lower end of the screw 12 is drooping, and the second roller 14 on the second bearing housing assembly is subjected to the line during rolling. When the impact load of the bar travels, the lower end of the screw 12 is also bent and deformed, which causes the displacement of the first and second rolls to be displaced, which seriously affects the rolling precision. The solution is actually a worm gear transmission mechanism, which is suitable for adjustment during stop or roll change, and online adjustment cannot be realized.
发明内容 Summary of the invention
本发明的目的是提供一种对轴承座组件实施可靠定位、方便装配且能有效减少径向振动的轧机 轧辊的调整装置
。 SUMMARY OF THE INVENTION It is an object of the present invention to provide an adjustment device for a rolling mill roll that reliably positions the bearing housing assembly, facilitates assembly, and can effectively reduce radial vibration.
.
为实现上述发明目的，本发明采用了以下技术方案：一种
轧机轧辊的调整装置，其特征在于：上横梁与第二轴承座组件之间设置有推动两者分离的下压油缸，所述的第一、二轴承座组件彼此相邻且相对的端面之间设置推动两者分离的弹簧。 In order to achieve the above object, the present invention adopts the following technical solutions:
An adjustment device for a roll of a rolling mill, characterized in that: a lower pressure cylinder for pushing the two to be separated is disposed between the upper beam and the second bearing block assembly, wherein the first and second bearing block assemblies are adjacent to each other and between the opposite end faces Set the spring that pushes the two apart.
由上述技术方案可知，第二轴承座组件即位于上部的轴承座组件是由立柱上设置沿立柱长度方向布置的导槽限定轧辊的轴向位置且可以在导槽内上下方向移动，通过下压油缸的下压动作和弹簧支撑作用来实现第二轴承座组件的位置限定，从而确定了上轧辊的位置，通过对上轧辊的调整来确定两轧辊的辊缝，确保轧制精度的实现，上述技术方案中，下压油缸的下压动作是由液压控制模块来驱动的，弹簧提供的向上的平衡弹力随其变形量而增减，这样位置调整好的轧辊便可靠地处于该位置处。
According to the above technical solution, the second bearing block assembly, that is, the bearing block assembly located at the upper portion, is defined by the guide groove disposed on the column along the longitudinal direction of the column to define the axial position of the roller and can move in the vertical direction in the guide groove, and is pressed downward. The pressing action of the cylinder and the spring supporting action realize the position limitation of the second bearing block assembly, thereby determining the position of the upper roll, determining the roll gap of the two rolls by adjusting the upper roll, and ensuring the rolling precision, In the technical solution, the pressing action of the lower pressure cylinder is driven by the hydraulic control module, and the upward balance elastic force provided by the spring increases or decreases with the deformation amount, so that the position adjusted roller is reliably at the position.
附图说明 DRAWINGS
图1是本发明的结构示意图； Figure 1 is a schematic view of the structure of the present invention;
图2、3分别是图1中的局部放大图。 2 and 3 are partial enlarged views of Fig. 1, respectively.
具体实施方式 detailed description
线棒板材加工时，轧制精度不仅依赖于轧辊的抗变形能力即刚性，同时也需要轧机机架对轧辊的固定结构的可靠性，鉴于磨损的原因还需要实时对辊缝做适当调整。本发明就是涉及机架对轧辊的固定结构及调整提出了新的且效果显著的方案。以下具体说明。
When processing the bar sheet, the rolling precision depends not only on the resistance to deformation of the roll, that is, the rigidity, but also the reliability of the fixed structure of the roll frame to the roll. In view of the wear, the roll gap needs to be properly adjusted in real time. The invention relates to a new and effective solution for the fixed structure and adjustment of the frame to the roll. The details are as follows.
如图1所示， 轧机轧辊的调整装置包括设置于第一、二轴承座组件 30 、 40 上的第一、二轧辊 30A
、 40A ，立柱 20 的一端与轧机机座 10 相连、另一端与上横梁 50 相连，第一轴承座组件 30 由立柱 20 和 / 或轧机机座 10
构成限定第一轴承座组件 30 上下方向位移、沿轧辊轴向或沿轧制物料行进方向移动的限位机构；上横梁 50 与第二轴承座组件 40
之间设置有推动两者分离的下压油缸 80 ，所述的第一、二轴承座组件 30 、 40 彼此相邻且相对的端面之间设置推动两者分离的弹簧 70 。 As shown in Fig. 1, the rolling mill adjusting device includes first and second rolls 30A disposed on the first and second bearing housing assemblies 30, 40.
40A, one end of the column 20 is connected to the rolling stand 10, and the other end is connected to the upper beam 50, and the first bearing block assembly 30 is composed of the column 20 and/or the rolling stand 10
Forming a limiting mechanism that defines displacement of the first bearing block assembly 30 in the up and down direction, in the axial direction of the roll or in the direction of travel of the rolled material; the upper beam 50 and the second bearing block assembly 40
There is disposed a lower pressure cylinder 80 for pushing the two to separate, and the first and second bearing housing assemblies 30, 40 are adjacent to each other and a spring 70 for pushing the separation therebetween is provided between the opposite end faces.
上述方案中由立柱 20 、轧机机座 10 或独立或配合实现对第一轴承座组件 30
的相应自由度的约束，这种直接通过立柱 20 、轧机机座 10 对第一轴承座组件 30 方案具有结构简单、定位方便可靠、约束力大的显著优点。第二轴承座组件 40
置于下压油缸 80 和弹簧 70 之间，因此其上下方向受到的约束也是简单而可靠的，这样第一、二轧辊 30A 、 40A 的位置就被可靠的确定了。 In the above solution, the first bearing block assembly 30 is realized by the column 20, the rolling mill stand 10 or independently or cooperatively.
The corresponding degree of freedom constraints, such a direct through the column 20, the rolling mill stand 10 to the first bearing block assembly 30 solution has the advantages of simple structure, convenient and reliable positioning, and large binding force. Second housing assembly 40
It is placed between the lower cylinder 80 and the spring 70, so the constraint in the up and down direction is also simple and reliable, so that the positions of the first and second rolls 30A, 40A are reliably determined.
所述的第一轴承座组件 30 的端面形状为倒凸形，就是轴向方向的视图表示为倒凸形，且与所述的轧机机座 10
上开设的凹形区域构成限制所述的第一轴承座组件沿轧制物料行进方向移动的限位机构。这是通过第一轴承座组件 30 与轧机机座 10
的配合实现了沿轧制物料行进方向的位置定位。 The end face of the first bearing block assembly 30 has an inverted shape, that is, the view in the axial direction is represented as an inverted convex shape, and the rolling stand 10
The upper concave region constitutes a limiting mechanism that limits the movement of the first bearing block assembly in the direction of travel of the rolled material. This is through the first bearing block assembly 30 and the mill stand 10
The cooperation achieves positional positioning along the direction of travel of the rolled material.
上述结构就是实现了第一轴承座组件 30
上下、左右、前后方向的位移及相应方向的转动，从而实现了第一轴承座组件 30 的可靠定位。第一轴承座组件 30 被可靠定位为辊缝的调整提供前提保证。 The above structure is to realize the first bearing block assembly 30
The displacement of the upper and lower, left and right, and front and rear directions and the rotation of the corresponding direction realize the reliable positioning of the first bearing block assembly 30. The first bearing block assembly 30 is reliably positioned to provide a prerequisite for the adjustment of the roll gap.
所述的第一、二轴承座组件 30 、 40 彼此相邻且相对的端面之间设置的弹簧 70 为碟簧，上横梁 50
上设置驱动所述的二轴承座组件 40 移动的下压油缸 80 ，所述的弹簧 70 与下压油缸 80 配合构成第一、二轴承座组件 30 、 40
间距的调节机构。 The first and second bearing block assemblies 30, 40 are adjacent to each other and the spring 70 disposed between the opposite end faces is a disc spring, and the upper beam 50
The lower pressure cylinder 80 that drives the two bearing housing assembly 40 is disposed, and the spring 70 cooperates with the lower pressure cylinder 80 to form the first and second bearing housing assemblies 30, 40.
Adjustment mechanism for the pitch.
所述的立柱 20 的上段为圆柱螺纹段 21 与方柱段 22 之间设置有圆柱段 23 ，该圆柱段 23
与上横梁 50 上的孔配合插接，所述的立柱 20 中段的方柱段 22 彼此相对的柱面上设置有沿立柱 20 长度方向布置的导轨槽 24 ，第二轴承座组件 40
位于该导轨槽 24 槽内。 The upper section of the column 20 is provided with a cylindrical section 23 between the cylindrical thread section 21 and the square column section 22, and the cylindrical section 23
The holes are matched with the holes on the upper beam 50, and the column legs 22 of the middle section of the column 20 are provided with rail grooves 24 arranged along the longitudinal direction of the column 20, and the second bearing block assembly 40
Located in the slot of the rail slot 24.
位于第二轴承座组件 40 同一端的两个导轨槽 24 的槽底构成对第二轴承座组件 40
沿轧制物料行进方向上的限位，槽壁则构成对第二轴承座组件 40 沿轧辊轴向的限位，这样就实现了第二轴承座组件 40 沿导轨槽 24
限定的方向即立柱的长度方向上的位移。 The groove bottoms of the two rail slots 24 at the same end of the second bearing block assembly 40 form a pair of second housing assemblies 40
Along the limit in the direction of travel of the rolled material, the walls of the groove form a limit on the axial direction of the second chock assembly 40, thus achieving the second chock assembly 40 along the rail groove 24
The defined direction is the displacement in the longitudinal direction of the column.
优选方案是：所述的弹簧 70 包括垂直于第一、二轴承座组件 30 、 40 相邻端面布置的第一、二碟簧
71 、 72 ，两碟簧 71 、 72 刚度相异且叠加放置。第一、二碟簧 71 、 72 的弹性系数大小各异，弹性系数小的弹簧 72
受到下压力时首先快速收缩变形实现粗调，随着下压油缸 80 的下压动作，两个弹簧 71 、 72 均收缩变形到适当位置，这样第二轴承座组件 40
就被上部的下压油缸和下部的弹簧 70 定位了，该结构可以提供基本刚性的固定可靠地定位着第二轴承座组件 40 ，确保了第一、二轴承座组件 30 、 40
的间距的恒定，从而可以确保轧制精度。 Preferably, the spring 70 includes first and second disc springs disposed perpendicular to the adjacent end faces of the first and second bearing block assemblies 30, 40.
71, 72, two disc springs 71, 72 The stiffness is different and superimposed. The first and second disc springs 71 and 72 have different spring constants and a spring with a small spring constant 72
When subjected to the downforce, the first rapid contraction deformation is performed to achieve a coarse adjustment. As the depression cylinder 80 is depressed, the two springs 71, 72 are contracted and deformed into position, so that the second bearing block assembly 40
Positioned by the upper lowering cylinder and the lower spring 70, the structure provides a substantially rigid fixation to securely position the second bearing block assembly 40, ensuring the first and second housing assemblies 30, 40
The spacing is constant so that the rolling accuracy can be ensured.
所述的第一承座组件 30 的上端面上设置台阶状沉孔或盲孔 31 ，该孔口处设置有套管 32 ，盲孔 31
与套管 32 自上而下两段孔径由大变小构成的两段台阶状孔腔用于容纳第一、二碟簧 71 、 72 ，第一、二碟簧 71 、 72 套设在台阶轴状的导向杆 33
的杆身上，导向杆 33 的上端杆头顶贴在第二轴承座组件 40 的下端面上。上述导向杆 33 的上段的大直径段与第一碟簧 71
穿套配合，中段的中直径段与第二碟簧 72 穿套配合，第一碟簧 71 的两端位于导向杆 33 的杆头和盲孔 31 上部的第一台阶之间，第二碟簧 72
的两端位于导向杆 33 中部台阶与盲孔 31 中部的第二台阶之间，导向杆 33 的下端杆身上且位于第二碟簧 72 的下端设置圆螺母 34 ，圆螺母 34
装配时可以避免第一、二碟簧 71 、 72 与导向杆 33 分离，有利于装配与拆卸操作。 A stepped counterbore or a blind hole 31 is disposed on the upper end surface of the first retainer assembly 30, and the sleeve is provided with a sleeve 32 and a blind hole 31.
Two stepped cavities formed by the large and small apertures from the top and bottom of the sleeve 32 are used for accommodating the first and second disc springs 71, 72, and the first and second disc springs 71, 72 are sleeved on the step shaft Guide bar 33
On the rod body, the upper end of the guide rod 33 is attached to the lower end surface of the second bearing housing assembly 40. The large diameter section of the upper section of the above-mentioned guide rod 33 and the first disc spring 71
With the sleeve fit, the middle diameter section of the middle section is fitted with the second disc spring 72. The two ends of the first disc spring 71 are located between the head of the guide rod 33 and the first step of the upper portion of the blind hole 31, and the second disc spring 72
The two ends are located between the middle step of the guiding rod 33 and the second step of the middle of the blind hole 31. The lower end of the guiding rod 33 is disposed on the lower end of the second disc spring 72, and a round nut 34 is provided.
The first and second disc springs 71, 72 can be prevented from being separated from the guide rod 33 during assembly, which facilitates assembly and disassembly operations.
所述的第二轴承座组件 40 的上端面上设置有板体状的垫块 90，下压油缸 80 的活塞杆 81
的端头抵压在垫块 90 的中部板面上，这样可以保证第二轴承座组件 40 的受力均匀，并且在轧辊的两端均设置下压油缸 80 垫块 90
，这样就保证轧辊的均匀平移，实现轧辊的精确调整；另外，活塞杆 81 旁侧的下压油缸 80 的缸盖 82 与垫块 90 之间设置有缓冲碟簧 100，碟簧 100
套设在导杆110 上并置于套管形的管座120 内。该缓冲碟簧 100 的构造可以参见第一、二碟簧 71、 72 的装配原理。缓冲碟簧 100
的作用就是保证一旦下压油缸80 出现漏油或其他故障，第一、二碟簧 71、 72 的弹力迅速释放时相关部件之间出现冲击、碰撞现象，首先由缓冲碟簧100
受力变形，避免所述的冲击、碰撞现象发生。 The upper end surface of the second bearing block assembly 40 is provided with a plate-shaped spacer 90 for pressing the piston rod 81 of the cylinder 80.
The end of the block is pressed against the central plate surface of the spacer 90, so that the force of the second bearing block assembly 40 is uniform, and the lower pressure cylinder 80 is provided at both ends of the roller.
In this way, the uniform translation of the rolls is ensured, and the precise adjustment of the rolls is ensured. In addition, a buffer disc spring 100 is disposed between the cylinder head 82 of the lower pressure cylinder 80 on the side of the piston rod 81 and the spacer 90, and the disc spring 100
The sleeve 110 is sleeved and placed in a sleeve-shaped socket 120. The construction of the buffer disc spring 100 can be referred to the assembly principle of the first and second disc springs 71, 72. Buffer disc spring 100
The function of ensuring the occurrence of oil leakage or other failures of the lower pressure cylinder 80, the elastic force of the first and second disc springs 71, 72 is rapidly released, and the impact and collision phenomenon occur between the relevant components, firstly by the buffer disc spring 100
The force is deformed to avoid the impact and collision phenomenon.
Claims (6)
- 一种轧机轧辊的调整装置，其特征在于：上横梁（50）与第二轴承座组件（40）之间设置有推动两者分离的下压油缸（80），所述的第一、二轴承座组件（30）、（40）彼此相邻且相对的端面之间设置推动两者分离的弹簧（70）。 An adjusting device for a rolling mill roll, characterized in that: a lower pressing cylinder (80) for pushing the two to separate between the upper beam (50) and the second bearing block assembly (40), the first and second bearings The seat assemblies (30), (40) are disposed adjacent to each other and between the opposite end faces are provided with springs (70) that push the two apart.
- 根据权利要求1所述的轧机轧辊的调整装置，其特征在于：所述的第一、二轴承座组件（30）、（40）彼此相邻且相对的端面之间设置的弹簧（70）为碟簧，上横梁（50）上设置驱动所述的二轴承座组件（40）移动的下压油缸（80），所述的弹簧（70）与下压油缸（80）配合构成第一、二轴承座组件（30）、（40）间距的调节机构。The adjusting device for a rolling mill roll according to claim 1, wherein said first and second bearing housing assemblies (30), (40) are adjacent to each other and a spring (70) disposed between opposite end faces is a disc spring, the upper cross member (50) is provided with a lower pressure cylinder (80) for driving the movement of the two bearing housing assembly (40), and the spring (70) and the lower pressure cylinder (80) cooperate to form the first and second Adjustment mechanism for the bearing housing assembly (30), (40).
- 根据权利要求1或2所述的轧机轧辊的调整装置，其特征在于：所述的立柱（20）的上段为圆柱螺纹段（21）与方柱段（22）之间设置有圆柱段（23），该圆柱段（23）与上横梁（50）上的孔配合插接，所述的立柱（20）中段的方柱段（22）彼此相对的柱面上设置有沿立柱（20）长度方向布置的导轨槽（24），第二轴承座组件（40）位于该导轨槽（24）槽内。The adjusting device for a rolling mill roll according to claim 1 or 2, characterized in that the upper portion of the upright column (20) is provided with a cylindrical section between the cylindrical threaded section (21) and the square column section (22) (23). The cylindrical section (23) is mated with the hole in the upper beam (50), and the cylinder section (22) of the middle section of the column (20) is provided with a length along the column (20) opposite to each other. A rail slot (24) is disposed in the direction, and the second bearing block assembly (40) is located in the slot of the rail slot (24).
- 根据权利要求1或2所述的轧机轧辊的调整装置，其特征在于：所述的弹簧（70）包括垂直于第一、二轴承座组件（30）、（40）相邻端面布置的第一、二碟簧（71）、（72），两碟簧（71）、（72）刚度相异且叠加放置。The apparatus for adjusting a roll of a rolling mill according to claim 1 or 2, wherein said spring (70) comprises a first one disposed perpendicular to an adjacent end surface of the first and second bearing block assemblies (30), (40) Two disc springs (71), (72), two disc springs (71), (72) have different stiffness and are placed in superposition.
- 根据权利要求4所述的轧机轧辊的调整装置，其特征在于：所述的第一承座组件（30）的上端面上设置台阶状沉孔或盲孔（31），该孔口处设置有套管（32），盲孔（31）与套管（32）自上而下两段孔径由大变小的两段台阶孔腔用于容纳第一、二碟簧（71）、（72），第一、二碟簧（71）、（72）套设在台阶轴状的导向杆（33）的杆身上，导向杆（33）的上端杆头顶贴在第二轴承座组件（40）的下端面上。The adjusting device for a rolling mill roll according to claim 4, wherein the upper end surface of the first socket assembly (30) is provided with a stepped counterbore or a blind hole (31), and the opening is provided with The sleeve (32), the blind hole (31) and the sleeve (32) are two-stage stepped holes with large and small apertures from top to bottom for accommodating the first and second disc springs (71), (72) The first and second disc springs (71) and (72) are sleeved on the rod of the stepped shaft-shaped guide rod (33), and the upper end of the guide rod (33) is attached to the second bearing housing assembly (40). On the lower end face.
- 根据权利要求4所述的轧机轧辊的调整装置，其特征在于：所述的第二轴承座组件（40）的上端面上设置有板体状的垫块（90），下压油缸（80）的活塞杆（81）的端头抵压在垫块（90）的中部板面上，活塞杆（81）旁侧的下压油缸（80）的缸盖（82）与垫块（90）之间设置有缓冲碟簧（100），碟簧（100）套设在导杆（110）上并置于套管形的管座（120）内。The adjusting device for a rolling mill roll according to claim 4, wherein the upper end surface of the second bearing block assembly (40) is provided with a plate-shaped spacer (90) and a lower pressing cylinder (80). The end of the piston rod (81) is pressed against the middle plate surface of the block (90), and the cylinder head (82) and the block (90) of the lower pressure cylinder (80) on the side of the piston rod (81) A buffer disc spring (100) is disposed therebetween, and the disc spring (100) is sleeved on the guide rod (110) and placed in the sleeve-shaped socket (120).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110129231.9 | 2011-05-18 | ||
| CN201110129231A CN102310085A (en) | 2011-05-18 | 2011-05-18 | Adjustment device of rolling mill roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012155852A1 true WO2012155852A1 (en) | 2012-11-22 |
Family
ID=45423871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2012/075650 WO2012155852A1 (en) | 2011-05-18 | 2012-05-17 | Adjustment device for rolling mill roll |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102310085A (en) |
| WO (1) | WO2012155852A1 (en) |
Cited By (6)
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| CN108772421A (en) * | 2018-07-10 | 2018-11-09 | 江苏华光双顺机械制造有限公司 | PCCP bellmouths are sleeping to found dual-purpose edging mill |
| CN112658036A (en) * | 2020-12-31 | 2021-04-16 | 安徽高德铝业有限公司 | Aluminum alloy machine-shaping equipment |
| CN113102514A (en) * | 2021-04-06 | 2021-07-13 | 广西钢铁集团有限公司 | Balancing device for transmission shaft bracket of rolling mill |
| CN115076170A (en) * | 2022-06-14 | 2022-09-20 | 安徽工业大学 | High-frequency impact rolling device suitable for composite part |
| CN115121673A (en) * | 2022-07-20 | 2022-09-30 | 南京工业大学 | Trapezoidal corrugated structure processing device applied to metal plate |
| CN115076170B (en) * | 2022-06-14 | 2024-06-04 | 安徽工业大学 | High-frequency impact rolling device suitable for composite part |
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| CN102310085A (en) * | 2011-05-18 | 2012-01-11 | 合肥市百胜科技发展股份有限公司 | Adjustment device of rolling mill roller |
| CN104289522B (en) * | 2014-08-18 | 2015-12-09 | 重庆钢铁(集团)有限责任公司 | A kind of cogging mill upper roll adjusting method for leveler |
| CN105436266B (en) * | 2016-01-15 | 2017-08-29 | 陈代忠 | Cold-bending forming machine roll spacing adjusting device |
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| CN102310085A (en) | 2012-01-11 |
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