WO2020200310A1 - 一种数控机床的摆头安装结构 - Google Patents

一种数控机床的摆头安装结构 Download PDF

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Publication number
WO2020200310A1
WO2020200310A1 PCT/CN2020/083241 CN2020083241W WO2020200310A1 WO 2020200310 A1 WO2020200310 A1 WO 2020200310A1 CN 2020083241 W CN2020083241 W CN 2020083241W WO 2020200310 A1 WO2020200310 A1 WO 2020200310A1
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fixing
plate
ram
swing head
fixing frame
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PCT/CN2020/083241
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English (en)
French (fr)
Inventor
陈虎
杜长林
唐锐
郭翠娟
李少智
陈家逊
李昂
张国靖
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科德数控股份有限公司
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Publication of WO2020200310A1 publication Critical patent/WO2020200310A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports

Definitions

  • the invention relates to the technical field of machine tools, in particular to a swing head installation structure of a numerical control machine tool.
  • the invention provides a swing head installation structure of a numerical control machine tool, which includes a swing head, a ram, a sliding saddle, a guide rail, a first slider group, a second slider group, and a third slider group;
  • An accommodating groove is provided on one side of the sliding saddle, and the first, second, and third slider groups are provided on both inner side walls of the accommodating groove, and the ram is placed in the In the accommodating groove, rails are provided on the surfaces of the ram corresponding to the two inner side walls of the accommodating groove, and the guide rails are connected to the first, second, and third slider groups Connected, the swing head is provided on the side of the ram opposite to the saddle.
  • the ram is provided with a fixing table for fixing the swing head, and the fixing table includes: a first fixing plate, a second fixing plate, a third fixing plate, and a supporting plate;
  • the first fixing plate and the second fixing plate are parallel to each other, the first fixing plate and the second fixing plate are both perpendicular to the supporting plate, and the supporting plate is provided with a device for fixing the swing head Through holes, the third fixing plate is perpendicular to the first fixing plate, the second fixing plate and the support plate; the first fixing plate, the second fixing plate, and the third fixing plate.
  • the plate and the supporting plate are integrally formed, the third fixing plate is parallel to the ram, and the first fixing plate, the second fixing plate and the supporting plate are integrally formed with the ram.
  • the fixing table further includes: a first fixing frame, a second fixing frame, and a third fixing frame;
  • the first fixing frame and the second fixing frame are both parallel to the supporting plate and located above the supporting plate; the first fixing frame and the second fixing frame are connected to the ram, the Both the first fixing frame and the second fixing frame are provided with a shape matching the curvature of the through hole near the ram side; the third fixing frame penetrates the second fixing frame and Intersects the supporting plate and the first fixing frame, and the third fixing frame is perpendicular to the first fixing frame, the second fixing frame and the supporting plate
  • the support plate is the same height as the third sliding block group when the saddle is at the top end of the guide rail, and the third sliding block group is located at the first sliding block group and the first sliding block group. Below the second slider group.
  • the thickness of the ram located below the support plate gradually decreases downward.
  • the invention solves the problem that the distance between the mounting surface of the swing head and the lowermost pair of sliding blocks of the saddle is relatively large, so that the overhanging part of the ram is prone to large deformation, which is beneficial to improve the machining accuracy of the machine tool and effectively improves Productivity.
  • Figure 1 is a schematic view of the structure of the installation position of the swing head in the prior art
  • Figure 2 is a side view of the swing head installation structure of a numerical control machine tool of the present invention
  • FIG. 3 is a schematic diagram of a three-dimensional structure of a swing head installation structure of a numerical control machine tool of the present invention
  • FIG. 4 is a schematic diagram of the ram structure in the swing head installation structure of a numerical control machine tool of the present invention.
  • the invention provides a swing head installation structure of a numerical control machine tool, which includes a swing head, a ram, a sliding saddle, a guide rail, a first slider group, a second slider group, and a third slider group;
  • An accommodating groove is provided on one side of the sliding saddle, and the first, second, and third slider groups are provided on both inner side walls of the accommodating groove, and the ram is placed in the In the accommodating groove, rails are provided on the surfaces of the ram corresponding to the two inner side walls of the accommodating groove, and the guide rails are connected to the first, second, and third slider groups Connected, the swing head is provided on the side of the ram opposite to the saddle.
  • the ram is provided with a fixing table for fixing the swing head, and the fixing table includes: a first fixing plate, a second fixing plate, a third fixing plate, and a supporting plate;
  • the first fixing plate and the second fixing plate are parallel to each other, the first fixing plate and the second fixing plate are both perpendicular to the supporting plate, and the supporting plate is provided with a device for fixing the swing head Through holes, the third fixing plate is perpendicular to the first fixing plate, the second fixing plate and the support plate; the first fixing plate, the second fixing plate, and the third fixing plate.
  • the plate and the supporting plate are integrally formed, the third fixing plate is parallel to the ram, and the first fixing plate, the second fixing plate and the supporting plate are integrally formed with the ram.
  • the conventional swing head and ram structure as shown in Figure 1, the swing head is mounted on the lower end surface of the ram, and the distance between the mounting surface of the swing head and the bottom pair of sliders on the saddle is relatively short. Large, so that the deformation of the ram is greater, which in turn causes greater deformation of the tip point on the swing head;
  • the structure of the swing head and the ram of the present invention is provided with a receiving groove on one side of the saddle, and the first sliding block group is provided on both inner side walls of the receiving groove ,
  • the second sliding block group and the third sliding block group, the ram is placed in the accommodating groove, and the ram is provided with guide rails on the surfaces corresponding to the two inner side walls of the accommodating groove.
  • the swing head is arranged on a fixed table at the front end of the ram, and the guide rail is fixed to the rear end of the ram and Opposite to the fixed platform, the guide rail drives the ram and the swing head to slide up and down relative to the saddle.
  • the fixing table and the ram are integrally formed, and the fixing table includes the first fixing plate, the second fixing plate, the third fixing plate and the supporting plate.
  • the shape and size of the first fixing plate and the second fixing plate are the same, and they are arranged parallel to each other and both are perpendicular to the supporting plate, and the supporting plate is provided with a through hole for fixing the swing head;
  • the third fixing plate is perpendicular to the first fixing plate, the second fixing plate, and the supporting plate.
  • the third fixing plate is parallel to the side of the ram fixing the fixing table.
  • a fixed plate, the second fixed plate, the third fixed plate, and the support plate are integrally formed;
  • the fixed platform has a structure composed of a plurality of fixed plates, which improves the rigidity of the fixed platform and is more capable
  • the oscillating head is firmly supported so that the oscillating head is not easy to shake during work.
  • the fixing table further includes: a first fixing frame, a second fixing frame, and a third fixing frame;
  • the first fixing frame and the second fixing frame are both parallel to the supporting plate and located above the supporting plate; the first fixing frame and the second fixing frame are connected to the ram, the Both the first fixing frame and the second fixing frame are provided with a shape matching the curvature of the through hole near the ram side; the third fixing frame penetrates the second fixing frame and Intersect with the supporting plate and the first fixing frame, and the third fixing frame is perpendicular to the first fixing frame, the second fixing frame and the supporting plate.
  • the first fixing frame and the second fixing frame have the same shape and size, and the first fixing frame and the second fixing frame are rectangular and one side is an inwardly concave arc, and the arc of the arc is Matching with the curvature of the through hole of the supporting plate on the side close to the ram, the first fixing frame and the second fixing frame are both parallel to the supporting plate and located above the supporting plate, The second fixing frame is located between the supporting plate and the first supporting plate; the third fixing frame is rectangular, and its width is equal to the distance between the through hole of the supporting plate and the ram.
  • the third fixing frame is perpendicular to the first fixing frame, the second fixing frame, and the supporting plate, and the third fixing frame passes through the second fixing frame, the supporting plate, and the first fixing frame.
  • the fixing frames intersect, the first fixing frame, the second fixing frame and the third fixing frame are all integrally formed with the fixing table; the first fixing frame, the second fixing frame and the first fixing frame
  • the three fixing frames further stabilize the swing head, strengthen the stability of the swing head, increase the rigidity of the overall structure, and reduce the deformation of the ram.
  • the support plate is the same height as the third sliding block group when the saddle is at the top end of the guide rail, and the third sliding block group is located at the first sliding block group and the first sliding block group. Below the second slider group.
  • the support plate of the fixed platform has the same height as the third slider group, and the height is the height of the third slider group when the saddle is at the top end of the guide rail.
  • the height is the height at which the swing head is fixed by the fixed platform, and the height makes the distance between the mounting surface of the swing head and the third sliding block group on the saddle smaller, and the The deformation of the ram is small, so that the deformation of the tool tip point on the swing head is small, and the machining accuracy and work efficiency of the machine tool are improved.
  • the thickness of the ram located below the support plate gradually decreases downward.
  • the part of the ram located below the fixed platform is designed as a wedge-shaped structure with a gradually decreasing thickness a downwards, especially to reserve enough working space when the swing head is a double swing head.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

一种数控机床的摆头安装结构，包括摆头（1）、滑枕（2）、滑鞍（5）、导轨（3）、第一滑块组（4-1）、第二滑块组（4-2）及第三滑块组（4-3）。滑鞍一侧设置有容纳槽，容纳槽的两内侧壁上均设置有第一滑块组、第二滑块组及第三滑块组；滑枕置于容纳槽中，所述滑枕上与容纳槽的两内侧壁对应的面上均设有导轨，导轨与第一滑块组、第二滑块组及第三滑块组连接，滑枕上与滑鞍相对的一侧设有摆头。该结构解决了摆头的安装面与滑鞍的最下方的一对滑块距离较大，使得滑枕悬伸部分容易产生较大的变形等问题，有利于提高机床加工精度，提高了生产效率。

Description

一种数控机床的摆头安装结构 技术领域
本发明涉及机床技术领域，尤其涉及一种数控机床的摆头安装结构。
背景技术
数控机床加工与传统机床加工的工艺规程从总体上说是一致的，但也发生了明显的变化。用数字信息控制零件和刀具位移的机械加工方法是解决零件品种多变、批量小、形状复杂、精度高等问题和实现高效化和自动化加工的有效途径。高精度复合加工一直是数控机床加工的发展趋势。但是，现有的数控机床的摆头固定于滑枕的及导轨的端部，由于摆头重量较重，长时间工作会导致滑枕刚性受损易变形等问题的发生。
发明内容
本发明提供一种数控机床的摆头安装结构，包括，摆头、滑枕、滑鞍、导轨、第一滑块组、第二滑块组及第三滑块组；
所述滑鞍一侧设置有容纳槽，所述容纳槽的两内侧壁上均设置有所述第一滑块组、第二滑块组及第三滑块组，所述滑枕置于所述容纳槽中，所述滑枕上与所述容纳槽的两内侧壁对应的面上均设有导轨，所述导轨与所述第一滑块组、第二滑块组及第三滑块组连接，所述滑枕上与所述滑鞍相对的一侧设有所述摆头。
进一步地，所述滑枕设置有固定所述摆头的固定台，所述固定台包括：第一固定板、第二固定板、第三固定板及支撑板；
所述第一固定板与所述第二固定板相互平行，所述第一固定板与所述第二固定板均垂直于所述支撑板，所述支撑板设置有用于固定所述摆头的通孔，所述第三固定板与所述第一固定板、所述第二固定板及所述支撑板均垂直；所述第一固定板、所述第二固定板、所述第三固定板及所述支撑板一体成型，所述第三固定板与所述滑枕平行，所述第一固定板、所述第二固定板及所述支撑板与所述滑枕一体成型。
进一步地，所述固定台还包括：第一固定架、第二固定架及第三固定架；
所述第一固定架及所述第二固定架均与所述支撑板平行并位于所述支撑板上方；所述第一固定架及所述第二固定架与所述滑枕连接，所述第一固定架及所述第二固定架朝外一边均设置有与所述通孔靠近所述滑枕侧的弧度匹配的形状；所述第三固定架贯穿于所述第第二固定架并与所述支撑板及所述第一固定架相交，所述第三固定架与所述第一固定架、所述第二固定架及所述支撑板均垂直
进一步地，所述支撑板与所述滑鞍位于所述导轨的最顶端时的所述第三滑块组等高，所述第三滑块组位于所述第一滑块组及所述第二滑块组下方。
进一步地，位于所述支撑板下方的所述滑枕厚度向下逐渐减小。
本发明解决了摆头的安装面与滑鞍的最下方的一对滑块距离较大，使得滑枕悬伸部分容易产生较大的变形的问题，有利于提高机床加工精度，有效的提高了生产效率。
附图说明
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，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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。
图1为现有技术中摆头的安装位置结构示意图；
图2为本发明一种数控机床的摆头安装结构侧视图；
图3为本发明一种数控机床的摆头安装结构立体结构示意图；
图4为本发明一种数控机床的摆头安装结构中滑枕结构示意图。
其中，1、摆头，2、滑枕，3、导轨，4-1、第一滑块组，4-2、第二滑块组，4-3、第三滑块组，5、滑鞍，6、斜切面，7-1、第一固定板、7-2、第二固定板、7-3、第三固定板，8、支撑板，9-1、第一固定架，9-2、第二固定架，9-3、第三固定架。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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。
本发明提供一种数控机床的摆头安装结构，包括，摆头、滑枕、滑鞍、导轨、第一滑块组、第二滑块组及第三滑块组；
所述滑鞍一侧设置有容纳槽，所述容纳槽的两内侧壁上均设置有所述第一滑块组、第二滑块组及第三滑块组，所述滑枕置于所述容纳槽中，所述滑枕上与所述容纳槽的两内侧壁对应的面上均设有导轨，所述导轨与所述第一滑块组、第二滑块组及第三滑块组连接，所述滑枕上与所述滑鞍相对的一侧设有所述摆头。
进一步地，所述滑枕设置有固定所述摆头的固定台，所述固定台包括：第一固定板、第二固定板、第三固定板及支撑板；
所述第一固定板与所述第二固定板相互平行，所述第一固定板与所述第二固定板均垂直于所述支撑板，所述支撑板设置有用于固定所述摆头的通孔，所述第三固定板与所述第一固定板、所述第二固定板及所述支撑板均垂直；所述第一固定板、所述第二固定板、所述第三固定板及所述支撑板一体成型，所述第三固定板与所述滑枕平行，所述第一固定板、所述第二固定板及所述支撑板与所述滑枕一体成型。
具体而言，以往的摆头与滑枕的结构，如图1所示，将摆头安装在滑枕的下端面上，摆头的安装面距离滑鞍上最下方的一对滑块距离较大，这样滑枕的变形较大，进而使摆头上的刀尖点变形较大；
本发明的摆头与滑枕的结构，如图2及图3所示，所述滑鞍一侧设置有容纳槽，所述容纳槽的两内侧壁上均设置有所述第一滑块组、第二滑块组及第三滑块组，所述滑枕置于所述容纳槽中，所述滑枕上与所述容纳槽的两内侧壁对应的面上均设有导轨，所述导轨与所述第一滑块组、第二滑块组及第三滑块组连接，所述摆头设置于所述滑枕前端的固定台上，所述导轨固定于所述滑枕后端并与所述固定台相对，所述导轨带动所述滑枕及所述摆头相对所述滑鞍上下滑动。如图4所示，所述固定台与所述滑枕一体成型，所述固定台包括所述第一固定板、所述第二固定板、所述第三固定板及所述支撑板构成，所述第一固定板及所述第二固定板的形状及尺寸相同，二者相互平行 设置并均垂直于所述支撑板，所述支撑板设置有用于固定所述摆头的通孔；所述第三固定板与所述第一固定板、所述第二固定板及所述支撑板均垂直，所述第三固定板与所述滑枕固定所述固定台的一面平行，所述第一固定板、所述第二固定板、所述第三固定板及所述支撑板一体成型；所述固定台有多个固定板组合而成的结构提高了所述固定台的刚性，更能稳固的支撑所述摆头，使所述摆头在工作时不易晃动。
进一步地，所述固定台还包括：第一固定架、第二固定架及第三固定架；
所述第一固定架及所述第二固定架均与所述支撑板平行并位于所述支撑板上方；所述第一固定架及所述第二固定架与所述滑枕连接，所述第一固定架及所述第二固定架朝外一边均设置有与所述通孔靠近所述滑枕侧的弧度匹配的形状；所述第三固定架贯穿于所述第第二固定架并与所述支撑板及所述第一固定架相交，所述第三固定架与所述第一固定架、所述第二固定架及所述支撑板均垂直。
具体而言，所述第一固定架及所述第二固定架形状及尺寸相同，所述第一固定架及所述第二固定架为矩形一边为向内凹的圆弧，圆弧的弧度与所述支撑板的通孔靠近所述滑枕一侧的弧度相匹配，所述第一固定架及所述第二固定架均与所述支撑板相互平行，并位于所述支撑板上方，所述第二固定架位于所述支撑板及所述第一支撑板之间；所述第三固定架为矩形，其宽度与所述支撑板的通孔与所述滑枕距离相等，所述第三固定架与所述第一固定架、所述第二固定架及所述支撑板均垂直，所述第三固定架穿过所述第二固定架与所述支撑板及所述第一固定架相交，所述第一固定架、所述第二固定架及所述第三固定架均与所述固定台一体成型；所述第一固定架、所述第二固定架及所述第三固定架进一步的稳固了所述摆头，加固了所述摆头的稳定性，增加了整体结构的刚性，减小了所述滑枕的变形。
进一步地，所述支撑板与所述滑鞍位于所述导轨的最顶端时的所述第三滑块组等高，所述第三滑块组位于所述第一滑块组及所述第二滑块组下方。
具体而言，所述固定台的所述支撑板与所述第三滑块组等高，所述高度为当所述滑鞍位于所述导轨的最顶端时所述第三滑块组的高度，该高度即为所述固定台固定所述摆头的高度，该高度使得所述摆头的安装面距离所述滑鞍上的第三滑块组距离较小，进而在工作过程中所述滑枕的变形较小，使所 述摆头上的刀尖点变形较小，提高了机床加工精度及工作效率。
进一步地，位于所述支撑板下方的所述滑枕厚度向下逐渐减小。
具体而言，所述滑枕位于所述固定台下方的部分设计成厚度a向下逐渐减小的楔形结构，尤其为当所述摆头为双摆头时预留足够的工作空间。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (5)

  1. 一种数控机床的摆头安装结构，其特征在于，包括，摆头、滑枕、滑鞍、导轨、第一滑块组、第二滑块组及第三滑块组；
    所述滑鞍一侧设置有容纳槽，所述容纳槽的两内侧壁上均设置有所述第一滑块组、第二滑块组及第三滑块组，所述滑枕置于所述容纳槽中，所述滑枕上与所述容纳槽的两内侧壁对应的面上均设有导轨，所述导轨与所述第一滑块组、第二滑块组及第三滑块组连接，所述滑枕上与所述滑鞍相对的一侧设有所述摆头。
  2. 根据权利要求1所述的数控机床的摆头安装结构，其特征在于，所述滑枕设置有固定所述摆头的固定台，所述固定台包括：第一固定板、第二固定板、第三固定板及支撑板；
    所述第一固定板与所述第二固定板相互平行，所述第一固定板与所述第二固定板均垂直于所述支撑板，所述支撑板设置有用于固定所述摆头的通孔，所述第三固定板与所述第一固定板、所述第二固定板及所述支撑板均垂直；所述第一固定板、所述第二固定板、所述第三固定板及所述支撑板一体成型，所述第三固定板与所述滑枕平行，所述第一固定板、所述第二固定板及所述支撑板与所述滑枕一体成型。
  3. 根据权利要求2所述的数控机床的摆头安装结构，其特征在于，所述固定台还包括：第一固定架、第二固定架及第三固定架；
    所述第一固定架及所述第二固定架均与所述支撑板平行并位于所述支撑板上方；所述第一固定架及所述第二固定架与所述滑枕连接，所述第一固定架及所述第二固定架朝外一边均设置有与所述通孔靠近所述滑枕侧的弧度匹配的形状；所述第三固定架贯穿于所述第第二固定架并与所述支撑板及所述第一固定架相交，所述第三固定架与所述第一固定架、所述第二固定架及所述支撑板均垂直。
  4. 根据权利要求3所述的数控机床的摆头安装结构，其特征在于，所述支撑板与所述滑鞍位于所述导轨的最顶端时的所述第三滑块组等高，所述第三滑块组位于所述第一滑块组及所述第二滑块组下方。
  5. 根据权利要求4所述的数控机床的摆头安装结构，其特征在于，位于所述支撑板下方的所述滑枕厚度向下逐渐减小。
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