WO2014180086A1 - Strand laying head main shaft component, strand laying head, and method for balancing dynamic imbalance in strand laying head - Google Patents
Strand laying head main shaft component, strand laying head, and method for balancing dynamic imbalance in strand laying head Download PDFInfo
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- WO2014180086A1 WO2014180086A1 PCT/CN2013/083381 CN2013083381W WO2014180086A1 WO 2014180086 A1 WO2014180086 A1 WO 2014180086A1 CN 2013083381 W CN2013083381 W CN 2013083381W WO 2014180086 A1 WO2014180086 A1 WO 2014180086A1
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- spinning
- spindle
- mass
- balance block
- main shaft
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000009987 spinning Methods 0.000 claims description 96
- 238000009434 installation Methods 0.000 claims description 12
- 230000020347 spindle assembly Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
- B21C47/10—Winding-up or coiling by means of a moving guide
- B21C47/14—Winding-up or coiling by means of a moving guide by means of a rotating guide, e.g. laying the material around a stationary reel or drum
- B21C47/143—Winding-up or coiling by means of a moving guide by means of a rotating guide, e.g. laying the material around a stationary reel or drum the guide being a tube
Definitions
- the existing methods for ensuring the dynamic balancing ability or reducing the vibration of the spinning machine are as follows: First, as described in the patent 200580005727. 8, the rotor in the laying machine adopts a magnetic bearing or a hydraulic damping bearing, and has a certain control. Or the setting of the bearing realizes the vibration reduction of the laying machine; secondly, as described in the patent 201110195390. 9, the dynamic balancing of the spinning head is corrected by the on-site dynamic balance meter.
- the bearing damping method adopted in the first method has complicated equipment and high bearing manufacturing cost; the method 2 uses the on-site dynamic balancing method, and generally requires double-sided dynamic balancing, and the balancing process is cumbersome, as described in the patent 201120121776.
- the rotor shaft of the laying head also requires complicated special tooling, resulting in long downtime. Regardless of the balance damping measures of Method 1 or Method 2, the vibration generation is not eliminated from the mechanism of the wire machine vibration. Instead, the vibration reduction bearing or the field dynamic balance is used to overcome the reduction. vibration.
- an object of the present invention is to provide a method for balancing the unbalanced spinning maneuver, a spinning machine spindle assembly and a laying machine to solve the eccentricity of the existing spinning machine due to its own mass.
- the resulting high vibration is a disadvantage, which in turn increases the operating speed of the laying head.
- a. Create a three-dimensional cylindrical coordinate system with the Z axis of the spindle axis of the laying machine as a three-dimensional coordinate, and denote the radial distance coordinate of the point in the three-dimensional cylindrical coordinate system from the point to the Z axis, and denote the three-dimensional cylindrical coordinate system by ⁇
- the azimuth coordinate of the point, and the coordinate of the point in the Z-axis direction of the three-dimensional cylindrical coordinate system with z find the coordinate position of the centroid of the spinning tube in the three-dimensional cylindrical coordinate system, and calculate the coordinates of the centroid of the silk tube (rl, ⁇ 1, zl); b.
- the main shaft is a hollow shaft, and the main shaft is fixedly provided with a spun pipe mounting device, the spun pipe mounting device includes a spiral mounting plate, and the edge of the spiral mounting plate is provided with a groove for fixing the laying pipe And a pipe clamp, the laying pipe is located in the groove and fixed by the pipe clamp.
- the spindle is further provided with a spindle balancer that balances the eccentric mass of the spinneret mounting device, and the line connecting the center of mass of the spinneret mounting device and the center of mass of the spindle balancer is perpendicular to the axis of the spindle Intersect.
- the laying head further includes a protective cover, and the portion of the laying pipe and the main shaft located outside the casing is in the protective cover.
- FIG. 1 is a perspective structural view of a spindle assembly of a spinning machine of the present invention
- Figure 3 is a schematic view showing the coordinate projection position of the centroid of the spinning tube 2 on the X Y plane;
- Fig. 4 is a schematic view showing the arrangement position of the balance tube and the adjusting balance block;
- the distance of the heart line, in this embodiment, the coordinates of the center of mass of the adjustment weight 4 are located on the wire balance weight 3, which facilitates the installation of the wire balance weight 3 and the adjustment weight 4.
- the adjusting balance block 4 can be set in advance according to different rolling stocks of different specifications, and when the rolling stock is replaced, the regulating weight 4 corresponding to the mass can be replaced, and the spinning can be reduced and even eliminated.
- the rolling of the tube causes the vibration of the laying machine.
- the improvement can conveniently and quickly adjust the vibration of the spinning machine caused by different rolling parts, and the balance adjustment effect is good and the utility is strong.
- the main shaft 1 is a hollow shaft, and the main shaft 1 is fixedly provided with a spun pipe mounting device, and the spun pipe mounting device includes a spiral mounting plate 5, and the spiral mounting plate 5 is disposed on an edge thereof There is a recess 51 for fixing the spinneret 2 and a tube clamp 6, which is located in the recess 51 and fixed by the tube clamp 6.
- the use of the structure to install the laying tube 2 can ensure the position of the spinning tube 2 during high-speed rotation The setting does not change, and the installation of the spinning tube 2 is convenient and simple.
- the spindle 1 is further provided with a spindle balancer 7 for balancing the eccentric mass of the spinneret mounting device, a line connecting the center of mass of the spinneret mounting device and the center of mass of the spindle balancer 7 with the spindle 1
- the axis lines intersect perpendicularly. Since the centroid of the pipe clamp 6 and the screw mounting plate 5 is also not on the axis of the main shaft 1, an unbalance amount is generated during the rotation and the spinning machine is vibrated, so that the provision of the spindle balance block 7 can be further reduced.
- the vibration of the laying machine is beneficial to increase the rotation speed of the spindle 1 and reduce the failure rate of the laying head.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
A method for balancing a dynamic imbalance in a strand laying head, a strand laying head main shaft component, and a strand laying head. The strand laying head main shaft component comprises a main shaft (1) and a strand laying tube (2) fixed on the main shaft. A strand laying tube balancing block (3) for balancing eccentric quality of the strand laying tube is disposed on the strand laying head main shaft. The strand laying head comprises a case body (8), a motor (9), a driving bevel gear (11) connected to a motor rotor through a coupling, and a driven bevel gear (12) fixed on the main shaft. The driven bevel gear meshes with the driving bevel gear, and the main shaft is installed on the case body through a bearing. The strand laying head has small vibrations during work, can increase the rotating speed of a main shaft of the strand laying head, lower a failure rate of the strand laying head, and increase a service life of the strand laying head.
Description
吐丝机主轴组件及吐丝机和平衡吐丝机动不平衡的方法 技术领域 本发明涉及一种轧钢机械， 特别涉及一种吐丝机。 背景技术 吐丝机是高速线材生产中将轧制的线材吐丝成卷以利收集的关键设备。轧件 由吐丝机前的夹送辊夹送， 进入高速旋转的吐丝机中， 经吐丝管受力变形， 将高 速直线运动的轧件变成近似静止的圆圈。 其中的吐丝机的转速可达到约 2200r/min, 且旋转直径大， 约 1070mm， 此时的轧制线速度能达到约 120m/s。 如 此高的转速的轧制工况， 必需要求吐丝机具有较高的动平衡能力， 以减小吐丝机 的振动。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolling mill, and more particularly to a laying machine. BACKGROUND OF THE INVENTION A wire laying machine is a key device for spinning a wire into a roll for high-speed wire production. The rolled piece is pinched by the pinch roller in front of the laying machine, enters the high-speed rotating wire laying machine, and is deformed by the spinning tube, and the high-speed linear moving piece becomes an almost stationary circle. The spinning speed of the spinning machine can reach about 2200 r/min, and the rotating diameter is large, about 1070 mm, and the rolling line speed at this time can reach about 120 m/s. For such high-speed rolling conditions, the laying machine must be required to have a high dynamic balance to reduce the vibration of the laying head.
现有保证动平衡能力或减小吐丝机振动的方法有： 一是， 如专利 200580005727. 8 所述， 所述的吐丝机内的转子采用磁力轴承或液压减振轴承， 通过一定的控制或轴承的设置实现吐丝机的减振；二是，如专利 201110195390. 9 所述， 通过现场动平衡仪， 进行吐丝头动平衡的校正。但方法一采用的轴承减振 方法， 装置复杂， 且轴承制造成本高； 方法二采用的现场动平衡方法， 且一般需 要双面动平衡， 平衡工艺繁琐， 如专利 201120121776. 0所述， 为平衡吐丝机的 转子轴， 还需要设置复杂的专用工装， 造成较长的停机时间。 且不管是方法一还 是方法二的平衡减振措施，都没有从吐丝机振动产生的机理上去消除解决振动的 产生， 而是采用减振轴承或现场动平衡被动的去克服减小已经产生的振动。 The existing methods for ensuring the dynamic balancing ability or reducing the vibration of the spinning machine are as follows: First, as described in the patent 200580005727. 8, the rotor in the laying machine adopts a magnetic bearing or a hydraulic damping bearing, and has a certain control. Or the setting of the bearing realizes the vibration reduction of the laying machine; secondly, as described in the patent 201110195390. 9, the dynamic balancing of the spinning head is corrected by the on-site dynamic balance meter. However, the bearing damping method adopted in the first method has complicated equipment and high bearing manufacturing cost; the method 2 uses the on-site dynamic balancing method, and generally requires double-sided dynamic balancing, and the balancing process is cumbersome, as described in the patent 201120121776. The rotor shaft of the laying head also requires complicated special tooling, resulting in long downtime. Regardless of the balance damping measures of Method 1 or Method 2, the vibration generation is not eliminated from the mechanism of the wire machine vibration. Instead, the vibration reduction bearing or the field dynamic balance is used to overcome the reduction. vibration.
分析吐丝机振动产生的机理主要是： 由于吐丝机中的关键部件，用于将连续 直型轧制产品形成线圈的吐丝管， 为了获得较平滑和小的曲率，其本身为非自平 衡的部件， 存在质量偏心， 当轧件在吐丝管内通过时， 这段在吐丝管内， 并与吐 丝管形状相同的轧件也就会存在质量偏心，而引起吐丝机的转子不平衡而形成振 动， 且轧件规格多， 范围宽， 轧件直径 可从 Φ 5mm〜 Φ 25mm， 偏心质量大， 难以进行现场动平衡，对于这种使用非自平衡吐丝管的吐丝机， 吐丝机振动主要 是过钢时在吐丝管内的轧件不平衡重量引起的。
发明内容 有鉴于此， 本发明的目的是提供一种平衡吐丝机动不平衡的方法、 一种吐丝 机主轴组件和一种吐丝机， 以解决现有吐丝机存在的因自身质量偏心导致的振动 大的缺点， 进而提高吐丝机的运行转速。 The mechanism for analyzing the vibration of the laying machine is mainly: Due to the key components in the laying machine, the laying pipe for forming the continuous straight rolled product into a coil is itself non-self in order to obtain a smoother and smaller curvature. Balanced parts, there is mass eccentricity. When the rolled piece passes through the spinning pipe, the section of the wire in the spinning pipe and the same shape as the laying pipe will have mass eccentricity, and the rotor of the laying head will not be caused. Balanced to form vibration, and the number of rolled parts is large, the range is wide, the diameter of the rolled parts can be from Φ 5mm to Φ 25mm, the eccentric mass is large, and it is difficult to carry out on-site dynamic balance. For such a laying machine using a non-self-balancing spinning tube, The wire machine vibration is mainly caused by the unbalanced weight of the rolled piece in the spinning pipe when passing through the steel. SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a method for balancing the unbalanced spinning maneuver, a spinning machine spindle assembly and a laying machine to solve the eccentricity of the existing spinning machine due to its own mass. The resulting high vibration is a disadvantage, which in turn increases the operating speed of the laying head.
本发明平衡吐丝机动不平衡的方法， 包括以下步骤： The method for balancing the unbalanced silk maneuvering of the present invention comprises the following steps:
a、 以吐丝机的主轴轴心线为三维坐标的 Z轴建立三维圆柱坐标系， 并以 r表 示三维圆柱坐标系中点到 Z轴的径向距离坐标、 以 Θ表示三维圆柱坐标系中点的 方位角坐标、 并以 z表示三维圆柱坐标系中点在 Z轴方向上的坐标， 找出吐丝管 的质心在三维圆柱坐标系中的坐标位置，并计吐丝管质心的坐标为（rl， Θ 1， zl); b、 在吐丝机的主轴外表面上设置吐丝管平衡块， 所述吐丝管平衡块质心的坐 标为 （r2， Θ 2, z2), 其中 θ 2= θ 1 + 180° ， z2=zl; a. Create a three-dimensional cylindrical coordinate system with the Z axis of the spindle axis of the laying machine as a three-dimensional coordinate, and denote the radial distance coordinate of the point in the three-dimensional cylindrical coordinate system from the point to the Z axis, and denote the three-dimensional cylindrical coordinate system by Θ The azimuth coordinate of the point, and the coordinate of the point in the Z-axis direction of the three-dimensional cylindrical coordinate system with z, find the coordinate position of the centroid of the spinning tube in the three-dimensional cylindrical coordinate system, and calculate the coordinates of the centroid of the silk tube (rl, Θ 1, zl); b. a spinner pipe balance block is disposed on the outer surface of the main shaft of the laying head, and the coordinates of the center of mass of the laying pipe balance block are (r2, Θ 2, z2), wherein θ 2 = θ 1 + 180° , z2=zl ;
c、 在吐丝管平衡块上设置平衡吐丝管中轧件的调节平衡块， 所述吐丝管平衡 块质心的坐标为 （r3， Θ 3， z3), 所述调节平衡块与吐丝管平衡块可拆分式固定 连接， 其中 Θ 3= Θ 2= Θ 1 + 180° ， z3= z2o c. Adjusting the balance weight of the rolling piece in the balanced spinning pipe on the balance pipe of the laying pipe, the coordinates of the center of mass of the wire balance pipe are (r3, Θ 3, z3), the adjusting balance block and the wire Pipe balance block detachable fixed connection, where Θ 3= Θ 2= Θ 1 + 180° , z3= z2o
进一步， 所述平衡吐丝机动不平衡的方法， 还包括步骤 d: 找出固定在吐丝机 主轴上的吐丝管安装装置的质心坐标 （r4， Θ 4， ζ4), 在吐丝机的主轴上设置 平衡吐丝管安装装置的主轴平衡块， 所述主轴平衡块的坐标为 （r5， Θ 5， z5), 其中 Θ 5= Θ 4 +180° ， z5= z4o Further, the method for balancing the unbalanced spinning maneuver includes the step d: finding the centroid coordinates (r4, Θ 4, ζ 4) of the laying pipe mounting device fixed on the spindle of the laying head, in the laying machine A spindle balance block of the balance spun pipe mounting device is disposed on the main shaft, and the coordinates of the main shaft balance block are (r5, Θ 5, z5), where Θ 5= Θ 4 +180° , z5= z4o
本发明吐丝机主轴组件， 包括主轴和固定在主轴上的吐丝管， 所述主轴上 设置有平衡吐丝管偏心质量的吐丝管平衡块，且过吐丝管平衡块质心和吐丝管 质心的直线与主轴的轴心线垂直相交。 The spindle assembly of the spinning machine of the present invention comprises a main shaft and a spinning pipe fixed on the main shaft, wherein the main shaft is provided with a wire balance pipe for balancing the eccentric mass of the spinning pipe, and the center of mass and the wire of the balance pipe of the laying pipe are over-wired The line of the centroid of the tube intersects perpendicularly to the axis of the spindle.
进一步， 所述吐丝管平衡块上设置有平衡吐丝管内轧件偏心质量的调节平 衡块， 所述调节平衡块和吐丝管平衡块可拆分式固定连接， 且过所述调节平衡 块质心和吐丝管质心的直线与主轴的轴心线垂直相交。 Further, the laying pipe balance block is provided with an adjusting balance block for balancing the eccentric mass of the rolling stock in the spinning pipe, and the adjusting balance block and the laying pipe balance block are detachably fixedly connected, and the adjusting balance block is passed The line of the centroid and the centroid of the spinning tube intersects perpendicularly to the axis of the spindle.
进一步， 所述主轴为空心轴， 主轴上固定设置有吐丝管安装装置， 所述吐 丝管安装装置包括螺旋安装板， 所述螺旋安装板的棱边上设置有固定吐丝管的 凹槽和管夹， 所述吐丝管位于凹槽中并通过管夹固定。 Further, the main shaft is a hollow shaft, and the main shaft is fixedly provided with a spun pipe mounting device, the spun pipe mounting device includes a spiral mounting plate, and the edge of the spiral mounting plate is provided with a groove for fixing the laying pipe And a pipe clamp, the laying pipe is located in the groove and fixed by the pipe clamp.
进一步，所述主轴上还设置有平衡吐丝管安装装置偏心质量的主轴平衡块， 连接吐丝管安装装置的质心和主轴平衡块的质心的直线与主轴的轴心线垂直
相交。 Further, the spindle is further provided with a spindle balancer that balances the eccentric mass of the spinneret mounting device, and the line connecting the center of mass of the spinneret mounting device and the center of mass of the spindle balancer is perpendicular to the axis of the spindle Intersect.
本发明具有吐丝机主轴组件的吐丝机， 包括箱体、 电机、 通过联轴器与电机 转子连接的主动锥齿轮和固定在主轴上的从动锥齿轮，所述从动锥齿轮与主动 锥齿轮啮合， 所述主轴通过轴承安装在箱体上。 The wire laying machine with the spindle assembly of the spinning machine comprises a casing, a motor, a driving bevel gear connected to the rotor of the motor through a coupling, and a driven bevel gear fixed on the main shaft, the driven bevel gear and the active The bevel gear meshes, and the main shaft is mounted on the casing through a bearing.
进一步， 所述吐丝机还包括保护罩， 所述吐丝管和主轴位于箱体外的部分 处于保护罩中。 Further, the laying head further includes a protective cover, and the portion of the laying pipe and the main shaft located outside the casing is in the protective cover.
本发明的有益效果： 本发明通过在主轴上设置平衡吐丝管、 吐丝管中轧件和 主轴偏心质量的平衡块， 并利用吐丝管过钢时， 位于吐丝管内各规格轧件的质心 坐标均相同不变、 且与吐丝管的质心坐标相同的特性， 从而在主轴上进行吐丝管 平衡块和调节平衡块的配置， 使吐丝机在工作时振动减小， 进而使吐丝机的主轴 转速可进一步提高， 能降低吐丝机故障率和提高吐丝机使用寿命； 通过设置的可 拆卸式调节平衡块， 当生产线更换轧制规格吐丝机停机时， 可快速更换上预先算 出的对应轧制规格轧件所需的调节平衡块质量， 相比现场采用动平衡仪和双面动 平衡等繁琐的平衡工艺， 平衡配置快速、 简单、 可靠， 容易实现吐丝机平衡或振 动的调节。 附图说明 图 1为本发明吐丝机主轴组件的立体结构示意图； Advantageous Effects of Invention According to the present invention, the present invention provides a balancing block for eccentric mass of a shaft, a rolled piece and a spindle eccentric mass on a main shaft, and when the steel is passed through a spinning pipe, the rolled parts of each specification are located in the spinning pipe. The centroid coordinates are the same, and the same as the centroid coordinate of the spinning tube, so that the silk pipe balance block and the adjustment balance block are arranged on the main shaft, so that the spinning machine reduces the vibration during operation, and then the spit The spindle speed of the wire machine can be further improved, which can reduce the failure rate of the laying machine and increase the service life of the laying machine. The detachable adjustment of the balance block can be quickly replaced when the production line is replaced with the rolling specification. The pre-calculated quality of the adjustment balance block required for the rolling specification of the rolling specification is faster, simpler and more reliable than the cumbersome balancing process of the dynamic balancer and double-sided dynamic balance in the field. It is easy to achieve the balance of the laying machine or Vibration adjustment. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective structural view of a spindle assembly of a spinning machine of the present invention;
图 2为吐丝管 2质心 ml在 Z向的坐标位置示意图； Figure 2 is a schematic view showing the coordinate position of the centroid of the spinning tube 2 in the Z direction;
图 3为吐丝管 2质心 ml在 X Y平面上的坐标投影位置示意图； 图 4为吐丝管平衡块和调节平衡块的布置位置示意图； Figure 3 is a schematic view showing the coordinate projection position of the centroid of the spinning tube 2 on the X Y plane; Fig. 4 is a schematic view showing the arrangement position of the balance tube and the adjusting balance block;
图 5为主轴平衡块的布置位置示意图； Figure 5 is a schematic view showing the arrangement position of the spindle balance block;
图 6为吐丝机的结构示意图。 具体实施方式 下面结合附图和实施例对本发明作进一步描述。 Figure 6 is a schematic view of the structure of the laying machine. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图所示， 本实施例平衡吐丝机动不平衡的方法， 包括以下步骤： As shown in the figure, the method for balancing the unbalanced spinning maneuver in the embodiment includes the following steps:
a、 以吐丝机的主轴 1轴心线为三维坐标的 Z轴建立三维圆柱坐标系， 并以 r 表示三维圆柱坐标系中点到 Z轴的径向距离坐标、 以 Θ表示三维圆柱坐标系中点
的方位角坐标、 并以 z表示三维圆柱坐标系中点在 Z轴方向上的坐标， 找出吐丝 管 2的质心在三维圆柱坐标系中的坐标位置，并计吐丝管质心的坐标为（rl， Θ 1， zl), 在具体实施中可通过三维仿真等方法算出吐丝管质心坐标的具体值； b、 在吐丝机的主轴外表面上设置吐丝管平衡块 3， 所述吐丝管平衡块质心的 坐标为 （r2， Θ 2， z2)， 其中 θ 2= θ 1 + 180° ， zl= ζ2。 在具体实施中， 吐丝 管的质量 ml和吐丝管平衡块的质量 m2满足： m2= ml Xrl/ τ2, r2为安装在 主轴 1上的吐丝管平衡块 3的质心到主轴 1轴心线的距离， r2的大小可根据具 体的安装需要设计和调整。 a. Create a three-dimensional cylindrical coordinate system with the Z axis of the spindle 1 axis of the laying head as a three-dimensional coordinate, and denote the radial distance coordinate of the point in the three-dimensional cylindrical coordinate system from the point to the Z axis, and represent the three-dimensional cylindrical coordinate system by Θ Midpoint The azimuth coordinate, and z represents the coordinate of the point in the Z-axis direction of the three-dimensional cylindrical coordinate system, find the coordinate position of the centroid of the spinning tube 2 in the three-dimensional cylindrical coordinate system, and calculate the coordinates of the centroid of the silk tube (rl, Θ 1, zl), in a specific implementation, the specific value of the centroid coordinate of the spinning tube can be calculated by a method such as three-dimensional simulation; b. a spinning pipe balance block 3 is disposed on the outer surface of the main shaft of the laying head, The coordinates of the center of mass of the wire balancer are (r2, Θ 2, z2), where θ 2 = θ 1 + 180° and zl = ζ 2. In a specific implementation, the mass ml of the spinning tube and the mass m2 of the laying pipe balance block satisfy: m2=ml Xrl/ τ2, r2 is the centroid of the laying pipe balance block 3 mounted on the main shaft 1 to the spindle 1 axis The distance of the line, the size of r2 can be designed and adjusted according to the specific installation needs.
通过本方法， 可准确的找到吐丝管平衡块的在主轴上的设置位置， 并确定出 吐丝管平衡块的质量， 进而减小和消除主轴 1转动时吐丝管 2偏心质量造成的振 动。 Through the method, the position of the laying pipe balance block on the main shaft can be accurately found, and the mass of the laying pipe balance block can be determined, thereby reducing and eliminating the vibration caused by the eccentric mass of the spinning pipe 2 when the main shaft 1 rotates. .
本平衡吐丝机动不平衡的方法还包括步骤 c:在吐丝管平衡块 3上设置平衡吐 丝管中轧件的调节平衡块 4， 所述吐丝管平衡块 4质心的坐标为 （r3， Θ 3， ζ3), 所述调节平衡块 4与吐丝管平衡块 3可拆分式固定连接， 其中 Θ 3= Θ 2,
ζ2ο 在具体实施中，调节平衡块 4的质量 m4和吐丝管中轧件的质量 m3满足： m4= m3 Xrl/ r3，r3为安装在主轴 1上的调节平衡块 4的质心到主轴 1轴心线的距离， 本实施例中， 调节平衡块 4质心的坐标位于吐丝管平衡块 3上， 便于吐丝管平 衡块 3和调节平衡块 4的安装设置。 The method for balancing the unbalanced spinning maneuver unbalances further comprises the step c: providing a regulating balance block 4 of the rolled piece in the balanced laying pipe on the laying pipe balance block 3, the coordinates of the centroid of the laying pipe balance block 4 being (r3) , Θ 3, ζ 3), the adjusting balance block 4 and the laying pipe balance block 3 are detachably fixedly connected, wherein Θ 3 = Θ 2, 具体2ο In a specific implementation, the mass m4 of the adjusting weight 4 and the mass m3 of the rolling stock in the laying pipe satisfy: m4=m3 Xrl/r3, r3 is the centroid of the adjusting weight 4 mounted on the main shaft 1 to the spindle 1 axis The distance of the heart line, in this embodiment, the coordinates of the center of mass of the adjustment weight 4 are located on the wire balance weight 3, which facilitates the installation of the wire balance weight 3 and the adjustment weight 4.
本方法利用吐丝管过钢时， 位于吐丝管 2内各规格轧件的质量偏心坐标均相 同不变、 且与吐丝管 2质心坐标相同的特性， 从而在主轴上的同一坐标处， 进行 调节平衡块的配置， 通过设置可拆卸式调节平衡块 4， 当生产线更换轧制规格吐 丝机停机时， 可快速更换上预先算出的对应轧制规格轧件所需的调节平衡块 4，相 比现场采用动平衡仪和双面动平衡等繁琐的平衡工艺， 平衡配置快速、 简单、 可 靠， 容易实现吐丝机平衡或振动的调节。 When the method uses the laying pipe to pass the steel, the mass eccentric coordinates of the rolled parts of the various specifications in the spinning pipe 2 are the same, and the same as the centroid coordinate of the spinning pipe 2, so that at the same coordinate on the main shaft, To adjust the balance block configuration, by setting the detachable adjustment balance block 4, when the production line replacement rolling specification wire laying machine is stopped, the pre-calculated adjustment balance block 4 required for the corresponding rolling specification rolling stock can be quickly replaced. Compared with the on-site balancing process such as dynamic balancer and double-sided dynamic balance, the balanced configuration is fast, simple and reliable, and it is easy to adjust the balance or vibration of the laying machine.
作为对本实施例的改进， 本平衡吐丝机动不平衡的方法， 还包括步骤 d: 找出 固定在吐丝机主轴 1上的吐丝管安装装置的质心坐标 （r4， Θ 4， z4), 在吐丝机 的主轴上设置平衡吐丝管安装装置的主轴平衡块 7， 所述主轴平衡块 7的坐标为 (r5， Θ 5， z5)， 其中 θ 5= θ 4 +180° ， ζ5= ζ4; 在具体实施中可通过三维仿 真等技术算出吐丝管安装装置的质心坐标的具体值， 同时主轴平衡块 7的质量 m6
与吐丝管安装装置的质量 m5的关系为： m6= m5 X r4/ r5 , r5为安装在主轴 1上 的主轴平衡块 7的质心到主轴 1轴心线的距离， r5的大小可根据具体的安装需要 设计和调整。本改进通过主轴平衡块 7可进一步降低主轴偏心质量产生的振动， 有利于提高主轴转速和延长吐丝机的使用寿命。 As an improvement to the embodiment, the method for balancing the unbalanced spinning maneuver further comprises the step of: finding the centroid coordinates (r4, Θ 4, z4) of the laying pipe mounting device fixed to the main shaft 1 of the laying head, A spindle balancer 7 of a balanced spinneret mounting device is disposed on the spindle of the laying head, and the coordinates of the spindle balancer 7 are (r5, Θ 5, z5), where θ 5 = θ 4 +180° , ζ 5 = Ζ4 ; In the specific implementation, the specific value of the centroid coordinate of the laying pipe installation device can be calculated by three-dimensional simulation and the like, and the mass m6 of the main shaft balancing block 7 The relationship with the mass m5 of the laying pipe installation device is: m6= m5 X r4/ r5 , r5 is the distance from the center of mass of the spindle balancer 7 mounted on the main shaft 1 to the spindle 1 axis, and the size of r5 can be determined according to the specific The installation requires design and adjustment. The improvement can further reduce the vibration generated by the eccentric mass of the spindle through the spindle balance block 7, which is beneficial to increase the spindle speed and extend the service life of the laying machine.
本实施例吐丝机主轴组件， 包括主轴 1和固定在主轴 1上的吐丝管 2， 所述 主轴 1上设置有平衡吐丝管偏心质量的吐丝管平衡块 3， 且过吐丝管平衡块质 心和吐丝管质心的直线与主轴 1的轴心线垂直相交。 The spinning machine spindle assembly of the embodiment comprises a main shaft 1 and a laying pipe 2 fixed on the main shaft 1. The main shaft 1 is provided with a laying pipe balance block 3 for balancing the eccentric mass of the spinning pipe, and the spun pipe is over-striped The line of the center of mass of the balance block and the centroid of the spinning tube intersects perpendicularly to the axis of the spindle 1.
由于吐丝管 2本身为非自平衡的部件， 其质量中心不在主轴的轴心线上， 存 在质量偏心， 因此在主轴 1旋转时， 吐丝管 2的偏心质量会使吐丝机产生很大的 振动， 这使吐丝机主轴 1的转速不能太高， 同时振动还会影响吐丝机的使用寿命。 本实施例通过在主轴 1上设置吐丝管平衡块 3， 可减小、甚至消除吐丝管 2因质 量偏心产生的动不平衡量， 减小吐丝机振动， 有利于提高吐丝机主轴的转速和 吐丝机的使用寿命。 Since the spinning tube 2 itself is a non-self-balancing component, the center of mass is not on the axis of the spindle, and there is mass eccentricity. Therefore, when the spindle 1 rotates, the eccentric mass of the spinning tube 2 causes the laying machine to generate a large amount. The vibration, which makes the speed of the spinning machine spindle 1 not too high, and the vibration will also affect the life of the laying machine. In this embodiment, by providing the laying pipe balance block 3 on the main shaft 1, the dynamic unbalance amount of the spinning pipe 2 due to mass eccentricity can be reduced or even eliminated, and the spinning machine vibration can be reduced, which is advantageous for improving the spindle of the spinning machine. Speed and life of the laying machine.
在具体实施中可通过前述平衡吐丝机动不平衡的方法找出在主轴 1 上设置 吐丝管平衡块 3的位置和确定出吐丝管平衡块 3的质量。 In a specific implementation, the position of the laying pipe balance block 3 on the main shaft 1 and the mass of the laying pipe balance block 3 can be found by the aforementioned method of balancing the spinning maneuver unbalance.
作为对本实施例的改进， 所述吐丝管平衡块 3上设置有平衡吐丝管内轧件 偏心质量的调节平衡块 4， 所述调节平衡块 4和吐丝管平衡块 3可拆分式固定 连接，且过所述调节平衡块质心和吐丝管质心的直线与主轴 1的轴心线垂直相 交。 本实施例中， 调节平衡块 4质心的坐标位于吐丝管平衡块 3上， 有利于调 节平衡块 4和吐丝管平衡块 3的安装设置； 当然在不同实施方式中， 调节平衡 块 4到主轴轴心线的距离还可根据具体的安装需要设计和调整。 As a modification of the embodiment, the laying pipe balance block 3 is provided with an adjusting balance block 4 for balancing the eccentric mass of the rolling stock in the spinning pipe, and the adjusting balance block 4 and the laying pipe balance block 3 are detachably fixed. The line connecting the center of mass of the balance weight and the centroid of the spinneret intersects perpendicularly to the axis of the spindle 1. In this embodiment, the coordinate of adjusting the center of mass of the balance block 4 is located on the pipe balance block 3, which is advantageous for adjusting the installation arrangement of the balance block 4 and the pipe balance block 3; of course, in different embodiments, the balance block 4 is adjusted to The distance of the spindle axis can also be designed and adjusted according to the specific installation needs.
在具体实施中，所述调节平衡块 4可预先根据所生产的不同规格的轧件设 置多个， 更换轧件时， 换上对应质量的调节平衡块 4， 即可减小和甚至消除吐 丝管中轧件所导致吐丝机的振动。本改进可方便快捷的不同轧件导致的调节吐 丝机振动， 调平衡效果好， 实用性强。 In a specific implementation, the adjusting balance block 4 can be set in advance according to different rolling stocks of different specifications, and when the rolling stock is replaced, the regulating weight 4 corresponding to the mass can be replaced, and the spinning can be reduced and even eliminated. The rolling of the tube causes the vibration of the laying machine. The improvement can conveniently and quickly adjust the vibration of the spinning machine caused by different rolling parts, and the balance adjustment effect is good and the utility is strong.
作为对本实施的改进， 所述主轴 1为空心轴， 主轴 1上固定设置有吐丝管 安装装置， 所述吐丝管安装装置包括螺旋安装板 5， 所述螺旋安装板 5的棱边上 设置有固定吐丝管 2的凹槽 51和管夹 6， 所述吐丝管 2位于凹槽 51中并通过 管夹 6固定。 采用本结构安装吐丝管 2， 可保证吐丝管 2在高速转动过程中位
置不会发生改变， 且使吐丝管 2的安装方便简单。 As a modification of the present embodiment, the main shaft 1 is a hollow shaft, and the main shaft 1 is fixedly provided with a spun pipe mounting device, and the spun pipe mounting device includes a spiral mounting plate 5, and the spiral mounting plate 5 is disposed on an edge thereof There is a recess 51 for fixing the spinneret 2 and a tube clamp 6, which is located in the recess 51 and fixed by the tube clamp 6. The use of the structure to install the laying tube 2 can ensure the position of the spinning tube 2 during high-speed rotation The setting does not change, and the installation of the spinning tube 2 is convenient and simple.
作为对本实施例的改进，所述主轴 1上还设置有平衡吐丝管安装装置偏心质 量的主轴平衡块 7， 连接吐丝管安装装置的质心和主轴平衡块 7的质心的直线 与主轴 1的轴心线垂直相交。由于管夹 6和螺旋安装板 5也存在的质心也不在 主轴 1的轴心线上， 在转动过程中也会产生不平衡量， 并导致吐丝机振动， 因 此设置主轴平衡块 7可进一步减小吐丝机的振动，有利于提高主轴 1的转速和 降低吐丝机的故障率。 As a modification of the embodiment, the spindle 1 is further provided with a spindle balancer 7 for balancing the eccentric mass of the spinneret mounting device, a line connecting the center of mass of the spinneret mounting device and the center of mass of the spindle balancer 7 with the spindle 1 The axis lines intersect perpendicularly. Since the centroid of the pipe clamp 6 and the screw mounting plate 5 is also not on the axis of the main shaft 1, an unbalance amount is generated during the rotation and the spinning machine is vibrated, so that the provision of the spindle balance block 7 can be further reduced. The vibration of the laying machine is beneficial to increase the rotation speed of the spindle 1 and reduce the failure rate of the laying head.
本实施具有吐丝机主轴组件的吐丝机， 包括箱体 8、 电机 9、 通过联轴器 10 与电机转子连接的主动锥齿轮 1 1和固定在主轴 1上的从动锥齿轮 12， 所述从 动锥齿轮 12与主动锥齿轮 11啮合， 所述主轴 1通过轴承安装在箱体 8上。 由 于本吐丝机具有了可调节平衡的吐丝机主轴组件， 因此其在生产过程中振动小， 其主轴旋转速度可以比现有吐丝机的主轴转速更高， 且其使用寿命更长， 故障率 更低。 The spinning machine of the spindle assembly of the spinning machine comprises a casing 8, a motor 9, a driving bevel gear 11 connected to the rotor of the motor through the coupling 10, and a driven bevel gear 12 fixed on the main shaft 1. The driven bevel gear 12 meshes with the driving bevel gear 11, and the main shaft 1 is mounted on the casing 8 by bearings. Because the laying machine has an adjustable balance of the spinning head spindle assembly, it has low vibration during the production process, and its spindle rotation speed can be higher than that of the existing spinning machine, and its service life is longer. The failure rate is lower.
作为对本实施例的改进， 本吐丝机还包括保护罩 13， 所述吐丝管 2和主轴 1位于箱体 8外的部分处于保护罩 13中； 保护罩 13可导向成圈轧件， 并将轧 机隔离， 起到安全生产的作用。 As an improvement to the embodiment, the laying machine further includes a protective cover 13, the portion of the laying pipe 2 and the main shaft 1 outside the casing 8 is in the protective cover 13; the protective cover 13 can be guided into a rolled piece, and Isolating the mill for safe production.
最后说明的是， 以上实施例仅用以说明本发明的技术方案而非限制， 尽管参 照较佳实施例对本发明进行了详细说明， 本领域的普通技术人员应当理解， 可以 对本发明的技术方案进行修改或者等同替换， 而不脱离本发明技术方案的宗旨和 范围， 其均应涵盖在本发明的权利要求范围当中。
The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to be limiting, and the present invention will be described in detail with reference to the preferred embodiments. Modifications or equivalents are intended to be included within the scope of the appended claims.
Claims
1、 平衡吐丝机动不平衡的方法， 其特征在于： 包括以下步骤： 1. A method for balancing unbalanced spinning machines, which is characterized by: including the following steps:
a、 以吐丝机的主轴轴心线为三维坐标的 Z轴建立三维圆柱坐标系， 并以 r表 示三维圆柱坐标系中点到 Z轴的径向距离坐标、 以 Θ表示三维圆柱坐标系中点的 方位角坐标、 并以 z表示三维圆柱坐标系中点在 Z轴方向上的坐标， 找出吐丝管 的质心在三维圆柱坐标系中的坐标位置，并计吐丝管质心的坐标为（r l， Θ 1， z l ) ; b、 在吐丝机的主轴外表面上设置吐丝管平衡块， 所述吐丝管平衡块质心的坐 标为 （r2， Θ 2 , z2 ) , 其中 θ 2= θ 1 + 180° ， z2=z l ; a. Establish a three-dimensional cylindrical coordinate system with the spindle axis line of the spinning machine as the Z-axis of the three-dimensional coordinates, and use r to represent the radial distance coordinate from the midpoint of the three-dimensional cylindrical coordinate system to the Z axis, and use Θ to represent the three-dimensional cylindrical coordinate system. The azimuth angle coordinates of the point, and use z to represent the coordinates of the midpoint of the three-dimensional cylindrical coordinate system in the Z-axis direction, find the coordinate position of the center of mass of the spinning tube in the three-dimensional cylindrical coordinate system, and calculate the coordinates of the center of mass of the spinning tube as (rl, Θ 1, zl); b. Set a spinning tube balance block on the outer surface of the spindle of the spinning machine. The coordinates of the center of mass of the spinning tube balance block are (r2, Θ 2, z2), where θ 2 = θ 1 + 180°, z2=zl ;
c、 在吐丝管平衡块上设置平衡吐丝管中轧件的调节平衡块， 所述吐丝管平衡 块质心的坐标为 （r3， Θ 3， z3 ) , 所述调节平衡块与吐丝管平衡块可拆分式固定 连接， 其中 Θ 3= Θ 2= Θ 1 + 180 ° ， z 3= z 2 o c. Set an adjustment balance block on the balance block of the spinning tube to balance the rolled parts in the spinning tube. The coordinates of the center of mass of the balance block of the spinning tube are (r3, Θ3, z3). The adjustment balance block and the spinning tube The pipe balance weight can be detachably fixedly connected, where Θ 3= Θ 2= Θ 1 + 180 °, z 3= z 2 o
2、 根据权利要求 1所述平衡吐丝机动不平衡的方法， 其特征在于： 还包括步 骤 d: 找出固定在吐丝机主轴上的吐丝管安装装置的质心坐标 （r4， Θ 4, z4)， 在吐丝机的主轴上设置平衡吐丝管安装装置的主轴平衡块，所述主轴平衡块的坐 标为 （r5， Θ 5， z5 )， 其中 Θ 5= Θ 4 + 180 ° ， z5= z4。 2. The method for balancing the unbalance of the spinning machine according to claim 1, characterized in that: it also includes step d: finding the center-of-mass coordinates (r4, Θ 4, z4), a spindle balance block for balancing the spinning tube installation device is provided on the spindle of the spinning machine. The coordinates of the spindle balance block are (r5, Θ5, z5), where Θ5= Θ4 + 180°, z5 =z4.
3、 吐丝机主轴组件， 包括主轴和固定在主轴上的吐丝管， 其特征在于： 所 述主轴上设置有平衡吐丝管偏心质量的吐丝管平衡块，且过吐丝管平衡块质心 和吐丝管质心的直线与主轴的轴心线垂直相交。 3. The spindle assembly of the spinning machine, including the spindle and the spinning tube fixed on the spindle, is characterized in that: the spindle is provided with a spinning tube balance block to balance the eccentric mass of the spinning tube, and passes through the spinning tube balance block The straight line between the center of mass and the center of mass of the spinning tube intersects perpendicularly with the axis line of the spindle.
4、 根据权利要求 3所述的吐丝机主轴组件， 其特征在于： 所述吐丝管平衡 块上设置有平衡吐丝管内轧件偏心质量的调节平衡块，所述调节平衡块和吐丝 管平衡块可拆分式固定连接，且过所述调节平衡块质心和吐丝管质心的直线与 主轴的轴心线垂直相交。 4. The spinning machine spindle assembly according to claim 3, characterized in that: the spinning tube balance block is provided with an adjusting balance block for balancing the eccentric mass of the rolled piece in the spinning tube, the adjusting balance block and the spinning tube The tube balance block is detachably fixedly connected, and a straight line passing through the center of mass of the adjustment balance block and the center of mass of the spinning tube intersects perpendicularly with the axis line of the spindle.
5、 根据权利要求 4所述的吐丝机主轴组件， 其特征在于： 所述主轴为空心 轴， 主轴上固定设置有吐丝管安装装置， 所述吐丝管安装装置包括螺旋安装板， 所述螺旋安装板的棱边上设置有固定吐丝管的凹槽和管夹，所述吐丝管位于凹 槽中并通过管夹固定。 5. The main shaft assembly of the spinning machine according to claim 4, characterized in that: the main shaft is a hollow shaft, and a spinning tube installation device is fixed on the main shaft, and the spinning tube installation device includes a spiral mounting plate, so The edge of the spiral mounting plate is provided with a groove and a pipe clamp for fixing the spinning pipe, and the spinning pipe is located in the groove and fixed by the pipe clamp.
6、 根据权利要求 5所述的吐丝机主轴组件， 其特征在于： 所述主轴上还设 置有平衡吐丝管安装装置偏心质量的主轴平衡块， 连接吐丝管安装装置的质心 和主轴平衡块的质心的直线与主轴的轴心线垂直相交。
6. The spinning machine spindle assembly according to claim 5, characterized in that: the spindle is also provided with a spindle balance block for balancing the eccentric mass of the spinning tube installation device, connecting the center of mass of the spinning tube mounting device and the spindle balance The straight line from the center of mass of the block intersects perpendicularly with the axis line of the main axis.
Ί、具有权利要求 4-6中任一所述吐丝机主轴组件的吐丝机， 其特征在于： 包 括箱体、 电机、通过联轴器与电机转子连接的主动锥齿轮和固定在主轴上的从 动锥齿轮， 所述从动锥齿轮与主动锥齿轮啮合， 所述主轴通过轴承安装在箱体 上。 Ί. A spinning machine with a spinning machine spindle assembly according to any one of claims 4 to 6, characterized in that: it includes a box, a motor, a driving bevel gear connected to the motor rotor through a coupling, and a driving bevel gear fixed on the main shaft. The driven bevel gear meshes with the driving bevel gear, and the main shaft is installed on the box through a bearing.
8、 根据权利要求 7所述的吐丝机， 其特征在于： 还包括保护罩， 所述吐丝 管和主轴位于箱体外的部分处于保护罩中。
8. The spinning machine according to claim 7, characterized in that: it further includes a protective cover, and the parts of the spinning tube and the main shaft located outside the box are in the protective cover.
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| CN201310166324.8A CN103230939B (en) | 2013-05-08 | 2013-05-08 | Silking machine spindle assembly, silking machine and method for balancing dynamic unbalance of silking machine |
| CN201310166324.8 | 2013-05-08 |
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| PCT/CN2013/083381 WO2014180086A1 (en) | 2013-05-08 | 2013-09-12 | Strand laying head main shaft component, strand laying head, and method for balancing dynamic imbalance in strand laying head |
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| WO (1) | WO2014180086A1 (en) |
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| CN112528438A (en) * | 2020-12-22 | 2021-03-19 | 广东省科学院智能制造研究所 | Laying head dynamic balance optimization design method |
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| CN103230939B (en) * | 2013-05-08 | 2015-02-25 | 中冶赛迪工程技术股份有限公司 | Silking machine spindle assembly, silking machine and method for balancing dynamic unbalance of silking machine |
| CN104588511B (en) * | 2014-12-10 | 2017-03-29 | 内蒙古包钢钢联股份有限公司 | The method of Fast Installation Laying head spinneret |
| CN105964726A (en) * | 2016-06-20 | 2016-09-28 | 江苏永钢集团有限公司 | Fixing device for loop laying tube of loop laying head |
| CN110399651A (en) * | 2019-07-06 | 2019-11-01 | 北京杜根鸿运科技发展有限公司 | A kind of customization spinneret dynamic balance analysis method |
| CN110303055A (en) * | 2019-07-24 | 2019-10-08 | 中冶赛迪技术研究中心有限公司 | A kind of Laying head optimization balanced structure and its method |
| CN110434182B (en) * | 2019-08-30 | 2021-06-01 | 广东韶钢松山股份有限公司 | Control method of wire coil shape |
| CN112872056B (en) * | 2020-12-31 | 2022-05-20 | 汉威广园(广州)机械设备有限公司 | Laying head |
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| CN103230939B (en) | 2015-02-25 |
| CN103230939A (en) | 2013-08-07 |
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