CN219336815U - A multi-position workpiece positioning device for a numerically controlled machine tool - Google Patents
A multi-position workpiece positioning device for a numerically controlled machine tool Download PDFInfo
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Abstract
本实用新型公开了一种数控机床的多工位工件定位装置,包括:基板;胀紧套,设在基板上;多个定位靠肩,安装在基板上,多个定位靠肩间隔设在胀紧套的周侧,且定位靠肩与胀紧套之间设有可放置工件的工位;胀紧调节机构,与胀紧套连接,并调节胀紧套沿径向朝向定位靠肩膨胀以夹紧工件或远离定位靠肩收缩以松开工件。本实用新型的定位装置可实现对多个工位的夹紧定位,且不过度占用空间,同时具有结构简单的特点。
The utility model discloses a multi-station workpiece positioning device for a numerically controlled machine tool, which comprises: a base plate; On the peripheral side of the tight sleeve, there is a station for placing workpieces between the positioning shoulder and the expansion sleeve; the expansion adjustment mechanism is connected with the expansion sleeve, and adjusts the expansion sleeve to expand radially toward the positioning shoulder to Clamp the workpiece or retract away from the positioning shoulder to release the workpiece. The positioning device of the utility model can realize the clamping and positioning of a plurality of work stations, does not occupy excessive space, and has the characteristics of simple structure.
Description
技术领域technical field
本实用新型涉及数控机床技术领域,尤其涉及一种数控机床的多工位工件定位装置。The utility model relates to the technical field of numerical control machine tools, in particular to a multi-station workpiece positioning device for numerical control machine tools.
背景技术Background technique
在数控机床对工件进行加工的过程中,工件能够紧固在特定位置是至关重要的,因此,目前常用定位装置对工件进行定位和夹紧,以免工件在加工的过程中发生位移、倾斜等而使残次品率提高。为了提高数控机床对工件加工的效率,现有的定位装置一般为多工位工件定位装置,从而一个定位装置可以对多个工件进行夹紧定位,以实现多个工件的同时加工。然而,现有的多工位工件定位装置的多个工位大多沿横向和/或纵向排列,每个工位适配一个夹紧装置,结构复杂,同时相邻工位之间具有较大间距,使得工位的数量受限,且定位装置的尺寸较大,不适宜大范围推广使用。In the process of machining the workpiece by the CNC machine tool, it is very important that the workpiece can be fastened at a specific position. Therefore, the positioning device is currently used to position and clamp the workpiece to prevent the workpiece from being displaced, tilted, etc. during processing. And make the defective product rate increase. In order to improve the efficiency of CNC machine tools for workpiece processing, the existing positioning devices are generally multi-station workpiece positioning devices, so that one positioning device can clamp and position multiple workpieces to realize simultaneous processing of multiple workpieces. However, the multiple stations of the existing multi-station workpiece positioning device are mostly arranged horizontally and/or vertically, each station is equipped with a clamping device, the structure is complex, and there is a large distance between adjacent stations , so that the number of stations is limited, and the size of the positioning device is relatively large, which is not suitable for widespread use.
实用新型内容Utility model content
为了克服上述现有技术所述的至少一种缺陷,本实用新型提供一种数控机床的多工位工件定位装置,可实现对多个工位的夹紧定位,且不过度占用空间,同时具有结构简单的特点。In order to overcome at least one defect described in the above-mentioned prior art, the utility model provides a multi-station workpiece positioning device for a numerically controlled machine tool, which can realize clamping and positioning of multiple stations without excessively occupying space, and has The characteristics of simple structure.
本实用新型为解决其问题所采用的技术方案是:The technical scheme that the utility model adopts for solving its problem is:
一种数控机床的多工位工件定位装置,包括:A multi-station workpiece positioning device for a numerically controlled machine tool, comprising:
基板;Substrate;
胀紧套,设在基板上;The expansion sleeve is arranged on the base plate;
多个定位靠肩,安装在基板上,多个定位靠肩间隔设在胀紧套的周侧,且定位靠肩与胀紧套之间设有可放置工件的工位;A plurality of positioning shoulders are installed on the base plate, and the plurality of positioning shoulders are arranged at intervals on the peripheral side of the expansion sleeve, and there is a station for placing workpieces between the positioning shoulders and the expansion sleeve;
胀紧调节机构,与胀紧套连接,并调节胀紧套沿径向朝向定位靠肩膨胀以夹紧工件或远离定位靠肩收缩以松开工件。The expansion adjustment mechanism is connected with the expansion sleeve, and adjusts the expansion sleeve to expand radially toward the positioning shoulder to clamp the workpiece or shrink away from the positioning shoulder to loosen the workpiece.
进一步地,胀紧调节机构包括调节螺丝、旋紧螺母和弹性件,弹性件套设在胀紧套的顶部外周,胀紧套设有轴向贯穿且与调节螺丝相适配的通孔,通孔沿竖直方向贯穿基板,调节螺丝自上而下穿过通孔并可上下运动,旋紧螺母设在基板的底部并可与调节螺丝螺纹连接。Further, the expansion adjustment mechanism includes an adjustment screw, a tightening nut and an elastic member. The elastic member is sleeved on the outer periphery of the top of the expansion sleeve. The hole runs through the base plate in the vertical direction, the adjusting screw passes through the through hole from top to bottom and can move up and down, and the tightening nut is arranged at the bottom of the base plate and can be threadedly connected with the adjusting screw.
进一步地,胀紧调节机构还包括设在基板底部的拉伸装置,拉伸装置通过旋紧螺母与调节螺丝连接。Further, the tension adjusting mechanism also includes a stretching device arranged at the bottom of the base plate, and the stretching device is connected with the adjusting screw by tightening a nut.
进一步地,拉伸装置包括驱动部、输出轴和基座,输出轴与驱动部的输出端连接并向下延伸,基座套设在输出轴上,且基座与输出轴垂直设置,基座设有可供调节螺丝贯穿的孔,调节螺丝通过旋紧螺母与基座连接,且调节螺丝的轴向与输出轴的轴向平行。Further, the stretching device includes a driving part, an output shaft and a base, the output shaft is connected to the output end of the driving part and extends downward, the base is sleeved on the output shaft, and the base is perpendicular to the output shaft, the base There is a hole through which the adjusting screw can go through, the adjusting screw is connected with the base through a tightening nut, and the axial direction of the adjusting screw is parallel to the axial direction of the output shaft.
进一步地,驱动部电性连接有控制机构。Further, the driving part is electrically connected with a control mechanism.
进一步地,驱动部与基板的底部固定连接,基座的顶部设有隔件,隔件为弹性结构。Further, the driving part is fixedly connected to the bottom of the base plate, and the top of the base is provided with a spacer, and the spacer is an elastic structure.
进一步地,定位靠肩和胀紧套与工位相对应的侧部的形状均与工件的侧部相适配。Further, the shape of the side portion of the positioning shoulder and the expansion sleeve corresponding to the work station is adapted to the side portion of the workpiece.
进一步地,在水平方向上,定位靠肩、工件和胀紧套的中心在一条直线上。Further, in the horizontal direction, the centers of the positioning shoulder, the workpiece and the expansion sleeve are on a straight line.
进一步地,定位靠肩和胀紧套均与基板可拆卸连接。Further, both the positioning shoulder and the expansion sleeve are detachably connected to the base plate.
进一步地,工位设有多个支撑件,多个支撑件间隔且均匀分布以支撑工件。Further, the work station is provided with a plurality of supports, and the plurality of supports are spaced apart and evenly distributed to support the workpiece.
有益效果:Beneficial effect:
本实用新型的定位装置,通过胀紧套以及在胀紧套周侧设置多个定位靠肩,以在胀紧套的周侧形成多个放置工件的工位,在保证了多工位的同时极大地节省了空间,使得定位装置具有较小的尺寸。并且,本实用新型的定位装置通过一个或多个胀紧套和一组胀紧调节机构的配合即可实现对胀紧套周侧的多个工件夹紧定位,结构简单紧凑、操作方便,同时提高了多个工件的定位效率。The positioning device of the utility model, through the expansion sleeve and a plurality of positioning shoulders on the peripheral side of the expansion sleeve, forms a plurality of stations for placing workpieces on the peripheral side of the expansion sleeve, while ensuring multi-station Great space saving results in smaller dimensions of the positioning device. Moreover, the positioning device of the present invention can realize the clamping and positioning of multiple workpieces on the peripheral side of the expansion sleeve through the cooperation of one or more expansion sleeves and a group of expansion adjustment mechanisms. The structure is simple and compact, and the operation is convenient. The positioning efficiency of multiple workpieces is improved.
附图说明Description of drawings
图1为实施例中多工位工件定位装置的分解图;Fig. 1 is an exploded view of a multi-station workpiece positioning device in an embodiment;
图2为实施例中多工位工件定位装置的结构示意图;Fig. 2 is the structural representation of multi-station workpiece positioning device in the embodiment;
图3为实施例中未放置工件的多工位工件定位装置的部分结构示意图。Fig. 3 is a partial structural schematic diagram of a multi-station workpiece positioning device in which no workpiece is placed in the embodiment.
其中,附图标记含义如下:Among them, the reference signs have the following meanings:
1、基板;2、胀紧套;21、通孔;3、定位靠肩;4、工件;5、工位;6、调节螺丝;7、旋紧螺母;8、弹性件;9、支撑件;10、拉伸装置;11、隔件;12、紧固环。1. Substrate; 2. Expansion sleeve; 21. Through hole; 3. Positioning shoulder; 4. Workpiece; 5. Station; 6. Adjusting screw; 7. Tightening nut; 8. Elastic part; 9. Support ; 10, stretching device; 11, spacer; 12, fastening ring.
具体实施方式Detailed ways
为了更好地理解和实施,下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述。For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
在本实用新型的描述中,需要说明的是,术语“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实用新型和简化描述,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实用新型的限制。In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.
除非另有定义,本文所使用的所有的技术和科学术语与属于本实用新型的技术领域的技术人员通常理解的含义相同。本文中在本实用新型的说明书中所使用的术语只是为了描述具体的实施例的目的,不是旨在限制本实用新型。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model.
本实施例公开了一种数控机床的多工位工件定位装置,以通过该定位装置对需要数控机床加工的多个工件4进行夹紧定位。参阅图1,该定位装置包括基板1,基板1的顶面安装有可膨胀伸缩的至少一个胀紧套2,以图1为例,基板1上间隔安装有两个胀紧套2,实际应用中,胀紧套2的数量可根据需定位的工件4的数量进行调整。胀紧套2为类圆柱形结构,其轴向与基板1垂直,每个胀紧套2的周侧间隔设有多个定位靠肩3,定位靠肩3安装在基板1上,且每个定位靠肩3与其对应的胀紧套2之间均设有间距,该间距的大小不小于工件4的径向尺寸,从而在定位靠肩3与胀紧套2之间形成工位5(参阅图3),工位5处可放置工件4,从而通过胀紧套2的径向膨胀以由胀紧套2和定位靠肩3夹紧工件4并进行定位。本实施例的定位装置,通过胀紧套2以及在胀紧套2周侧设置多个定位靠肩3,以在胀紧套2的周侧形成多个放置工件4的工位5,在保证了多工位的同时极大地节省了空间,使得定位装置具有较小的尺寸。This embodiment discloses a multi-station workpiece positioning device for a numerically controlled machine tool, so as to clamp and position
为了实现工件4的稳定夹紧定位,定位靠肩3和胀紧套2与工位5相对应的侧部的形状均与工件4的侧部相适配。以圆柱形工件4为例,该结构的工件4的加工位置一般为其两个圆形端部,因此,工件4放置在工位5时,工件4的轴向与基板1垂直,定位靠肩3和胀紧套2朝向工件4的侧部为圆弧结构,该圆弧结构的弧度与工件4的侧部弧度相适配,且定位靠肩3和胀紧套2的圆弧结构的圆心的连线穿过工件4的圆形端部的圆心。由此,定位靠肩3和胀紧套2可实现对多个工件4的精准定位。In order to achieve stable clamping and positioning of the
进一步地,定位靠肩3和胀紧套2均与基板1可拆卸连接,从而可根据工件4的形状更换相对应的定位靠肩3和胀紧套2,以提高该定位装置的适用范围。本实施例的定位靠肩3与基板1的可拆卸连接是通过螺栓螺母组件实现的。Furthermore, both the
参阅图1和图2,本实施例的胀紧套2的收缩膨胀是通过胀紧调节机构实现的,以通过该胀紧调节机构调节胀紧套2沿径向朝向定位靠肩3膨胀以夹紧工件4或远离定位靠肩3收缩以松开工件4。由此,本实施例的定位装置通过一个或多个胀紧套2和一组胀紧调节机构的配合可实现对该胀紧套2周侧的多个工件4夹紧定位,结构简单紧凑、操作方便,同时提高了多个工件4的定位效率。Referring to Fig. 1 and Fig. 2, the contraction and expansion of the
具体地,胀紧调节机构包括调节螺丝6、旋紧螺母7和弹性件8,弹性件8套设在胀紧套2的顶部外周,胀紧套2设有轴向贯穿且与调节螺丝6相适配的通孔21,并且通孔21沿竖直方向贯穿基板1,调节螺丝6自上而下穿过通孔21并可上下运动,调节螺丝6向下运动可使膨胀套2膨胀且弹性件8被撑开伸长,调节螺丝6向上运动,弹性件8回弹以使胀紧套2收缩,旋紧螺母7设在基板1的下方并可与调节螺丝6螺纹连接,旋紧螺母7旋转的角度不同,其对调节螺丝6的预紧力不同。当需要对工件4进行夹紧定位时,下拉调节螺丝6至所需位置并被旋紧螺母7锁紧,以使胀紧套2膨胀并与定位靠肩3夹紧工件4,从而实现对多个工件4的同时夹紧定位。Specifically, the expansion adjustment mechanism includes an
参阅图1和图2,调节螺丝6的下拉是通过拉伸装置10实现的,拉伸装置10设在基板1的下方,拉伸装置10包括驱动部101、输出轴102和基座103,输出轴102与驱动部101的输出端连接并向下延伸,基座103套设在输出轴102上,且基座103与输出轴102垂直设置,基座103设有可供调节螺丝6贯穿的孔,调节螺丝6通过旋紧螺母7余基座103连接,且调节螺丝6的轴向与输出轴的轴向平行。具体地,每个调节螺丝6对应两个旋紧螺母7,且两个旋紧螺母7的转动方向相反,以实现调节螺丝6预紧力的改变。驱动部101驱动输出轴102向下伸长,带动基座103向下移动,调节螺丝6被下拉,以使胀紧套2膨胀并与定位靠肩3夹紧工件4,从而实现对多个工件4的同时夹紧定位,此时弹性件8被撑开;当需要松开工件4时,驱动部101驱动输出轴102向上收缩,带动基座103向上移动,调节螺丝6向上回位,弹性件8收缩回弹,从而胀紧套2收缩松开工件4。本实施例通过设置拉伸装置10,可通过拉伸装置10实现对多个调节螺丝6同时下拉,从而实现对多个胀紧套2周侧的多个工件4同时夹紧定位,效率高。Referring to Fig. 1 and Fig. 2, the pull-down of
本实施例的驱动部101可为液压泵或气缸等,对应的输出轴102为其活塞杆或伸缩杆等。The driving
进一步地,驱动部101可电性连接有控制机构,控制机构可为数控机床控制机构,从而通过控制机构自动实现调节螺丝6的下拉长度,以及旋紧螺母7对调节螺丝6的预紧力,以适配不同工件4。Further, the driving
参阅图1,驱动部101固定在基板1的底部,基座103的顶部设有隔件11,隔件11为弹性结构,具有缓冲作用,从而可避免输出轴102向上收缩时对驱动部101的冲击过大而对基板1产生较大冲击力。Referring to Fig. 1, the driving
此外,工位5设有多个支撑件9,该多个支撑件9均匀分布在工件4的底部,从而可通过多个支撑件9支撑工件4,以使工件4与基板1存在间隙,从而在工件4加工后,方便对切屑进行清理。In addition, the
本实施例的定位装置的工作过程如下:The working process of the positioning device of the present embodiment is as follows:
1)加工前,在定位装置上安装与需加工工件4的相适配的定位靠肩3和胀紧套2,调节螺丝6穿过通孔21和基座103的孔并被旋紧螺母7锁紧,胀紧套2的顶部外周套设有紧固环12,以避免胀紧套2膨胀;1) Before processing, install the
2)通过机床将工件4上料放置在工位5,且工件4被支撑件9所支撑,并保证定位靠肩3和胀紧套2的圆弧结构的圆心的连线穿过工件4的圆心;2) Place the
3)启动拉伸装置10,驱动部101驱动输出轴102向下伸长,带动基座103向下运动,同时将多个调节螺丝6下拉至指定位置后,根据工件4需要,通过旋紧螺母7以所需的预紧力锁紧调节螺丝6,此时胀紧套2膨胀并与定位靠肩3夹紧工件4,且弹性件8被撑开处于拉长状态;3) Start the stretching
4)数控机床对工件4进行加工;4) The CNC machine tool processes the
5)加工完成后,关闭拉伸装置10,输出轴102向上收缩,带动基座103向上运动,多个调节螺丝6向上回位,且弹性件8收缩回弹以使胀紧套2收缩,从而松开工件4以便于机床下料。5) After the processing is completed, close the stretching
本实用新型方案所公开的技术手段不仅限于上述实施方式所公开的技术手段,还包括由以上技术特征任意组合所组成的技术方案。应当指出,对于本技术领域的普通技术人员来说,在不脱离本实用新型原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本实用新型的保护范围。The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.
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Effective date of registration: 20250418 Address after: 313011 First and Second Floors of Building 2, No. 6599 Huxun Avenue, Jiuguan Street, Nanxun District, Huzhou City, Zhejiang Province (self declared) Patentee after: Zhejiang Quanzhun Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 215127 south of unit e, plant 1, No. 275, Xinglong Street, Suzhou Industrial Park, Suzhou, Jiangsu Province Patentee before: QUANZHUN CNC EQUIPMENT (SUZHOU) Co.,Ltd. Country or region before: China |