CN111842742B - Bevel gear driven single-ring roller rotary rolling mechanism - Google Patents
Bevel gear driven single-ring roller rotary rolling mechanism Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及旋压和轧制成型技术领域,特别是涉及一种锥齿轮传动的单环辊旋轧机构。The invention relates to the technical field of spinning and rolling, in particular to a single-ring roll spinning mechanism driven by a bevel gear.
背景技术Background technique
管筒形工件在工业中用量巨大,高端的管筒形工件大都采用旋压或者轧制来实现。现有旋压机和轧机多为变形模具的外表面与工件外表面接触,其旋轮或轧辊与管筒形工件的坯料接触变形区接触包角小,易产生纵向裂纹及表面产生明显波纹等缺陷。Tube-shaped workpieces are used in a huge amount in the industry, and most of the high-end tube-shaped workpieces are realized by spinning or rolling. In the existing spinning machines and rolling mills, the outer surface of the deformation die is mostly in contact with the outer surface of the workpiece. The contact angle of the rotary wheel or roller and the blank of the tubular workpiece is small, and the contact angle of the deformation area is small, which is prone to longitudinal cracks and obvious ripples on the surface. defect.
因此,设计一种环辊旋轧机构,使环辊内表面对管筒形工件进行接触和旋轧加工,从而与管筒形坯料接触变形区有更大的包角,材料有更小的周向变形和径向变形速率,同时有较大的金属轴向延伸率。Therefore, a ring roll spinning mechanism is designed to make the inner surface of the ring roll contact and spin the tubular workpiece, so that the deformation area in contact with the tubular blank has a larger wrap angle and the material has a smaller circumference. The radial deformation rate and the radial deformation rate are higher, and the metal axial elongation rate is larger at the same time.
发明内容SUMMARY OF THE INVENTION
本发明的目的是提供一种锥齿轮传动的单环辊旋轧机构,以解决上述现有技术存在的问题,能够送进角的调整与换辊传动的干涉和空间布局问题,使旋轧机的机构布局紧凑、节省空间且调整原理巧妙合理。The purpose of the present invention is to provide a bevel gear-driven single-ring roll rolling mechanism, so as to solve the above-mentioned problems in the prior art, and to be able to adjust the feeding angle and to interfere with the roll change transmission and the spatial layout problems, so as to make the rolling mill run smoothly. The mechanism layout is compact, space-saving and the adjustment principle is ingenious and reasonable.
为实现上述目的,本发明提供了如下方案:本发明提供一种锥齿轮传动的单环辊旋轧机构,包括:环辊组件,机架,底板座和传动组件;所述环辊组件安装于所述机架内;所述机架设置于所述底板座上方,并与所述底板座转动连接;所述传动组件固定设置于所述机架上;所述传动组件贯穿所述机架并与所述环辊组件的从动锥齿轮啮合;所述机架立面中心均开设有一机架圆孔。In order to achieve the above purpose, the present invention provides the following solution: the present invention provides a single ring roll rotating mechanism driven by bevel gears, comprising: a ring roll assembly, a frame, a base plate and a transmission assembly; the ring roll assembly is installed on the inside the frame; the frame is arranged above the base plate and is rotatably connected with the base plate; the transmission assembly is fixedly arranged on the frame; the transmission assembly penetrates the frame and It meshes with the driven bevel gear of the ring roller assembly; the center of the vertical surface of the frame is provided with a frame round hole.
优选的,本发明基于环辊的内表面与管筒形工件外表面进行接触和旋轧加工,从而与管筒形坯料接触变形区有更大的包角,材料有更小的周向变形和径向变形速率,同时有较大的金属轴向延伸率,是一种经济、快速成形薄壁回转体零件的技术;同时可以实现压下减薄量、轧辊偏转角和送进角的单独调整,通过主动锥齿轮轴与管筒形工件轴线的垂直布置,解决了轧辊传动装置与管筒形工件两端支撑、管筒形工件传动的干涉问题和送进角的调整问题,送进角的调整和主传动布局的问题。Preferably, the present invention is based on that the inner surface of the ring roll is in contact with the outer surface of the tubular workpiece and spin-rolled, so that the deformation zone in contact with the tubular blank has a larger wrap angle, and the material has smaller circumferential deformation and The radial deformation rate and the large axial elongation of the metal are an economical and rapid technology for forming thin-walled rotary parts; at the same time, it can realize the individual adjustment of the reduction reduction, the roll deflection angle and the feeding angle , Through the vertical arrangement of the driving bevel gear shaft and the axis of the tubular workpiece, the interference problem between the roller transmission device and the support at both ends of the tubular workpiece, the transmission of the tubular workpiece and the adjustment of the feeding angle are solved. Adjustment and main drive layout issues.
优选的,所述机架为矩形结构。Preferably, the rack has a rectangular structure.
所述环辊组件还包括环辊,环辊筒体,第一支撑轴承和支架;所述环辊为环筒形轧辊;所述环辊安装于所述环辊筒体内表面,所述从动锥齿轮安装于环辊筒体上,所述从动锥齿轮两侧各设置有一轴承。The ring roller assembly further includes a ring roller, a ring roller cylinder, a first support bearing and a bracket; the ring roller is a ring cylinder-shaped roller; the ring roller is installed on the inner surface of the ring roller cylinder, and the driven The bevel gear is mounted on the ring roller body, and a bearing is provided on both sides of the driven bevel gear.
优选的,所述环辊可安装于环辊筒体内表面或环辊筒体一端。Preferably, the ring roller can be installed on the inner surface of the ring roller cylinder or at one end of the ring roller cylinder.
所述环辊的内表面凸向环辊的中轴线,由弧形曲母线扫掠形成的环形曲面。The inner surface of the ring roller is convex toward the central axis of the ring roller, and is an annular surface formed by sweeping the arc-shaped curve generatrix.
所述支架上两相对侧面中心各开设有一第一圆孔;所述支架另外两侧面中心各向外形成有套筒;两所述第一圆孔通过所述轴承与所述环辊筒体相配合;两所述套筒分别安装在两所述机架圆孔内;所述第一圆孔和环辊筒体的中轴线重合。A first circular hole is formed in the center of the two opposite side surfaces of the bracket; a sleeve is formed outward from the center of the other two side surfaces of the bracket; the two first circular holes are connected to the ring roller body through the bearing. The two sleeves are respectively installed in the circular holes of the two frames; the first circular hole and the central axis of the ring roller body are coincident.
所述机架底部还设置有底板,所述底板包括中心部,置于所述中心部一侧的第一延长部;所述中心部中心底面向下形成有凸台,所述凸台安装于所述底板座上开设的第二圆孔内;所述第一延长部上固定设置有所述传动组件。The bottom of the frame is also provided with a bottom plate, and the bottom plate includes a center part and is placed on a first extension part on one side of the center part; The transmission assembly is fixedly arranged on the first extension part.
所述传动组件包括主动锥齿轮轴,马达和联轴器;所述联轴器上套设有两轴承,且所述联轴器完全贯穿所述套筒内腔;所述联轴器一端与所述主动锥齿轮轴键连接,另一端与所述马达的输出端传动连接;所述主动锥齿轮轴与所述从动锥齿轮啮合;所述主动锥齿轮轴,联轴器和套筒的中轴线重合。The transmission assembly includes a driving bevel gear shaft, a motor and a coupling; two bearings are sleeved on the coupling, and the coupling completely penetrates the inner cavity of the sleeve; one end of the coupling is connected to the inner cavity of the sleeve. The driving bevel gear shaft is connected with a key, and the other end is drivingly connected with the output end of the motor; the driving bevel gear shaft is meshed with the driven bevel gear; the driving bevel gear shaft, the coupling and the sleeve are connected. The central axis coincides.
优选的,将所述环辊的中轴线设为X1,将所述主动锥齿轮轴的中轴线设为X2,Preferably, the central axis of the ring roller is set as X1, and the central axis of the driving bevel gear shaft is set as X2,
优选的,主动锥齿轮轴的轴端滑键或者导向平键与联轴器连接;所述的主、从动锥齿轮垂直啮合,各自的分锥角α1和α2的顶点汇聚于环辊的轴向X1与主动锥齿轮轴的轴线X2的交点。Preferably, the shaft end feather key or guide flat key of the driving bevel gear shaft is connected with the coupling; the main and driven bevel gears are vertically meshed, and the vertices of their respective taper angles α1 and α2 converge on the shaft of the ring roller To the intersection of X1 and the axis X2 of the drive bevel gear shaft.
还设置有侧推调整顶丝和送进角调整顶丝;所述侧推调整顶丝设置于所述机架安装传动装置的两相对面;所述送进角调整顶丝设置于所述机架另两相对面;所述侧推调整顶丝和送进角调整顶丝均设置有若干个,且均贯穿其所属立面并与所述支架侧壁抵触。A side push adjusting jack wire and a feeding angle adjusting jack wire are also provided; the side push adjusting jack wire is arranged on two opposite surfaces of the rack-mounted transmission device; the feeding angle adjusting jack wire is arranged on the machine. The other two opposite surfaces of the frame are provided; a plurality of the side push adjustment jacks and the feed angle adjustment jacks are provided, and they all penetrate through the vertical surfaces to which they belong and are in conflict with the side walls of the bracket.
还设置有机架调整顶丝;所述底板座上表面边缘还形成有两立柱,两所述立柱关于所述第二圆孔中心对称;两立柱上均开设有相同的安装孔;所述机架调整顶丝设置有两个,安装在两所述立柱的安装孔内,且与所述送进角调整顶丝设置于同一侧,且分别贯穿所属立面并与所述支架侧壁抵触。A frame adjusting top wire is also provided; two uprights are also formed on the edge of the upper surface of the base plate, and the two uprights are symmetrical with respect to the center of the second circular hole; the two uprights are both provided with the same mounting holes; There are two frame adjusting jacks, which are installed in the mounting holes of the two uprights, and are arranged on the same side as the feeding angle adjusting jacks, respectively penetrating the respective vertical surfaces and colliding with the side walls of the brackets.
优选的机架调整顶丝,侧推调整顶丝和送进角调整顶丝对环辊位置进行调整,分别产生调整角γ,减薄量Δt,和送进角β,从而针对坯料根据不同要求进行成型旋轧。The preferred frame adjustment top wire, side push adjusting top wire and feeding angle adjusting top wire adjust the position of the ring roll, respectively generating the adjustment angle γ, the thinning amount Δt, and the feeding angle β, so that the blank can be adjusted according to different requirements. Forming spin rolling is performed.
本发明公开了以下技术效果:本发明反向利用了锥齿轮啮合原理,采用从动齿轮整体绕主动齿轮旋转的方法,将环辊支架的摆动与主、从动齿轮的啮合关系结合在一起,解决了送进角的调整与换辊传动的干涉和空间布局问题,使旋轧机的机构布局紧凑、节省空间且调整原理巧妙合理。The present invention discloses the following technical effects: the present invention reversely utilizes the meshing principle of bevel gears, adopts the method that the driven gear integrally rotates around the driving gear, and combines the swing of the ring roller support with the meshing relationship between the main and driven gears, It solves the problems of the adjustment of the feeding angle and the interference of the roller changing drive and the space layout, so that the mechanism layout of the spinning mill is compact, space-saving, and the adjustment principle is ingenious and reasonable.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.
图1是本发明结构示意图。Figure 1 is a schematic structural diagram of the present invention.
图2是本发明环辊组件示意图。Figure 2 is a schematic diagram of the ring roll assembly of the present invention.
图3是本发明环辊结构示意图。Figure 3 is a schematic view of the structure of the ring roll of the present invention.
图4是本发明机架结构等轴侧视图。Figure 4 is an isometric view of the frame structure of the present invention.
图5是本发明底板座结构示意图。FIG. 5 is a schematic diagram of the structure of the base plate seat of the present invention.
图6是本发明支架结构示意图。FIG. 6 is a schematic diagram of the structure of the stent of the present invention.
图7是本发明传动组件示意图。Figure 7 is a schematic diagram of the transmission assembly of the present invention.
其中,1-环辊组件;11-环辊;12-环辊筒体;13-从动锥齿轮;14-环形曲面;2-机架;21-机架圆孔,22-凸台;23-底板;24-第一延长部;3-底板座;31-第二圆孔;32-立柱;4-支架;41-第一圆孔;42-套筒;5-传动组件;51-主动锥齿轮轴;52-联轴器;53-马达;6-侧推调整顶丝;7-送进角调整顶丝;8-机架调整顶丝;9-管筒形工件;10-芯棒;X1-环辊中轴线;X2-主动锥齿轮轴中轴线;α-分锥角;γ-调整角;Δt-减薄量和β-送进角。Among them, 1- ring roller assembly; 11- ring roller; 12- ring roller body; 13- driven bevel gear; 14- annular surface; 2- frame; 21- frame hole, 22- boss; 23 - bottom plate; 24 - first extension part; 3 - bottom plate seat; 31 - second round hole; 32 - column; 4 - bracket; 41 - first round hole; 42 - sleeve; 5 - transmission assembly; 51 - active Bevel gear shaft; 52-coupling; 53-motor; 6-side push adjustment jack; 7-feed angle adjustment jack; 8-rack adjustment jack; 9-tube-shaped workpiece; 10-mandrel ; X1 - the central axis of the ring roller; X2 - the central axis of the driving bevel gear shaft; α - taper angle; γ - adjustment angle; Δt - thinning amount and β - feeding angle.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合附图和具体实施方式对本发明作进一步详细的说明。In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
本发明提供一种锥齿轮传动的单环辊旋轧机构,包括:环辊组件1,机架2,底板座3和传动组件5;环辊组件1安装在机架2内;机架2设置于底板座3上方,并与底板座3转动连接;传动组件5固定设置于机架2上;传动组件5贯穿机架2并与环辊组件1的从动锥齿轮13啮合;机架2立面中心均开设有一机架圆孔21。The present invention provides a bevel gear-driven single-ring roll rolling mechanism, comprising: a
环辊组件1还包括环辊11,环辊筒体12和支架4;环辊11为环筒形轧辊;环辊11安装于环辊筒体12内表面,从动锥齿轮13安装于环辊筒体12上,从动锥齿轮13两侧各设置有一轴承。The
环辊11的内表面凸向环辊11的中轴线,由弧形曲母线扫掠形成环形曲面14。The inner surface of the
支架4上两相对侧面中心各开设有一第一圆孔41;支架4另外两侧面中心各向外形成有套筒42;两第一圆孔41通过轴承与环辊筒体12相配合;两套筒42分别安装在两机架圆孔21内。A first circular hole 41 is formed in the center of the two opposite sides of the
机架2底部还设有底板23,底板23包括中心部,设置于中心部一侧的第一延长部24;中心部中心底面向下形成有凸台22,凸台22安装于底板座3上开设的第二圆孔31内;第一延长部24上固定设置有传动组件5。The bottom of the
传动组件5包括主动锥齿轮轴51,马达53和联轴器52;联轴器52上套设有两轴承,且联轴器52完全贯穿套筒42内腔;联轴器52一端与主动锥齿轮轴51键连接,另一端与马达53的输出端传动连接;主动锥齿轮轴51与从动锥齿轮13啮合;主动锥齿轮轴51,联轴器52和套筒42的中轴线重合。The
还设置有侧推调整顶丝6和送进角调整顶丝7;侧推调整顶丝6设置于机架2安装传动装置5的两相对面;送进角调整顶丝7设置于机架另两相对面;侧推调整顶丝6和送进角调整顶丝7均设置有若干个,且均贯穿其所属立面并与支架4侧壁抵触。It is also provided with a side push
还设置有机架调整顶丝8;底板座3上表面边缘还形成有两立柱32,两立柱32关于第二圆孔31中心对称;两立柱32上均开设有相同的安装孔;机架调整顶丝8设置有两个,安装在两安装孔内,且与送进角调整顶丝7设置于同一侧,且分别贯穿所属立面并与支架4侧壁抵触。A rack adjusting
本发明中,管筒形工件9旋轧加工过程为:管筒形工件9的内表面套于芯棒10的外表面,并沿着平行于轴线X1的方向穿过两机架圆孔21置于环辊11和环辊筒体12的中心孔并与环形曲面14接触;侧推调整顶丝6进行调整,将环辊11内表面的环形曲面14压入管筒形工件9的外表面,形成减薄量Δt,设压入点为A。调整送进角调整顶丝7,使环辊组件1绕X2轴转动,同时每个从动锥齿轮13在不改变与主动锥齿轮51啮合关系的同时整体绕主动锥齿轮51的轴线X2转动,使两个环辊11以压入点A为支撑点相对于X1轴发生偏转,形成送进角β。所述的机架调整顶丝8进行调整,使矩形机架绕着凸台22和第二圆孔31的共同回转中心线旋转,形成调整角γ,用以改变旋轧工艺参数如压下量和环辊与管筒形工件的接触角度。In the present invention, the spinning process of the
在本发明的一个实施例中,侧推调整顶丝6和送进角调整顶丝7均在一个立面上等间距均匀设置有四个。In an embodiment of the present invention, there are four side push adjusting
在本发明的另一个实施例中,为了便于安装,机架2和支架4可以剖分为上下两部分组装。In another embodiment of the present invention, in order to facilitate installation, the
在本发明的再一个实施例中,以加工坯料尺寸φ57mm的无缝钢管为例,调整设备结构,以达到加工要求。管筒形工件9坯料尺寸为:外径φ57mm,壁厚35mm;芯模10尺寸:内径φ50mm所述的管筒形工件9的内表面套于芯棒10的外表面。In yet another embodiment of the present invention, taking the processing of a seamless steel pipe with a blank size of φ57 mm as an example, the equipment structure is adjusted to meet the processing requirements. The blank size of the
具体调整组件过程如下:The specific adjustment process is as follows:
环辊11安装于环辊筒体12的内表面,送进角调整顶丝7运行,使两组支架4中的套筒42绕机架2中的机架圆孔21轴线X2转动,调整送进角β1=05°;机架调整顶丝8运行,推动机架2绕凸台22和第二圆孔31在轴线内转动,调整调整角γ=10°;管筒形工件9及芯模10沿轴线X1穿过另外两机架圆孔21和两组支架4的两第一圆孔41移动至与环形曲面14最低轴向位置处;调整侧推调整顶丝6,使两组环筒形轧辊11的环形曲面14与管筒形工件9坯料外表面接触,确定减薄量调整基点A,管筒形工件9退出,侧推调整顶丝6运行,使基点A向轴线X1方向移动调整减薄量,调整后减薄量分别为Δt=1.5mm。The
传动组件5运行,马达53分别安装于延长部24上;马达53运转时通过联轴器52带动主动锥齿轮轴51在套筒42中转动,带动从动锥齿轮13转动;从动锥齿轮13与环辊筒体12连接,并带动环辊筒体12在支架4的第一圆孔41中绕轴X2转动;环辊11安装于环辊筒体12内表面,随环辊筒体12转动。马达输入转速n=800rpm,锥齿轮减速比i=4,环辊输出转速n’=200rpm。The
坯料匀速送进,送进速度v=2mm/s,管筒形工件9坯料在环辊11转动加工下加均匀加工。The blank is fed at a constant speed, and the feeding speed is v=2mm/s. The blank of the
本发明公开了以下技术效果:本发明反向利用了锥齿轮啮合原理,采用从动齿轮整体绕主动齿轮旋转的方法,将环辊支架的摆动与主、从动齿轮的啮合关系结合在一起,解决了送进角的调整与换辊传动的干涉和空间布局问题,使旋轧机的机构布局紧凑、节省空间且调整原理巧妙合理。The present invention discloses the following technical effects: the present invention reversely utilizes the meshing principle of bevel gears, adopts the method that the driven gear integrally rotates around the driving gear, and combines the swing of the ring roller support with the meshing relationship between the main and driven gears, It solves the problems of the adjustment of the feeding angle and the interference of the roller changing drive and the space layout, so that the mechanism layout of the spinning mill is compact, space-saving, and the adjustment principle is ingenious and reasonable.
在本发明的描述中,需要理解的是,术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
以上所述的实施例仅是对本发明的优选方式进行描述,并非对本发明的范围进行限定,在不脱离本发明设计精神的前提下,本领域普通技术人员对本发明的技术方案做出的各种变形和改进,均应落入本发明权利要求书确定的保护范围内。The above-mentioned embodiments are only to describe the preferred modes of the present invention, but not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can make various modifications to the technical solutions of the present invention. Variations and improvements should fall within the protection scope determined by the claims of the present invention.
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