CN201565785U - Two-dimensional numerical control workbench - Google Patents

Two-dimensional numerical control workbench Download PDF

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Publication number
CN201565785U
CN201565785U CN200920350224XU CN200920350224U CN201565785U CN 201565785 U CN201565785 U CN 201565785U CN 200920350224X U CN200920350224X U CN 200920350224XU CN 200920350224 U CN200920350224 U CN 200920350224U CN 201565785 U CN201565785 U CN 201565785U
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China
Prior art keywords
motor
upper
upper layer
sleeve
table
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CN200920350224XU
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Chinese (zh)
Inventor
倪素环
崔贺君
张弛
杨雪
石建玲
陈强
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河北科技大学
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Priority to CN200920350224XU priority Critical patent/CN201565785U/en
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Publication of CN201565785U publication Critical patent/CN201565785U/en

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Abstract

The utility model relates to a two-dimensional numerical control workbench, which consists of an upper layer and a lower layer of driving mechanisms with orthometric moving directions, wherein each layer of driving mechanism comprises a guide rail, a screw rod, a screw, a base and a motor, and after improvement, the upper layer of driving mechanism is also provided with a support rack, a motor rack, a slide rail, a slide sleeve and a workbench, the support rack and the motor rack are respectively fixed on the base at the lower layer, the motor at the upper layer is supported by the motor rack, one end of the screw rod at the upper layer is in transmission connection with the motor at the upper layer, the other end is supported by the support rack, the slide rail is orthogonally arranged with the guide rail at the upper layer, both ends of the slide rail are fixedly connected with the workbench, the slide sleeve is matched with the slide rail in a sliding mode, and the slide sleeve is fixedly connected with the screw at the upper layer. The utility model relieves the burden of the motor at the lower layer, increases the dynamic response characteristic of the system, and helps to reduce the requirements on a servo system. The utility model has the characteristics of good applicability, quick positioning and the like, and is suitable for underloading quick movement.

Description

一种二维数控工作台 A two-dimensional numerical table

技术领域 FIELD

[0001] 本实用新型涉及一种机械加工设备工作台,特别是用于精密零件加工的二维数控工作台,属机械设备技术领域。 [0001] The present invention relates to a machining apparatus table, in particular a two-dimensional numerical table used for precision processing, belongs to the field of machinery and equipment.

背景技术 Background technique

[0002] 数控工作台被广泛应用于半导体加工、精密制造、光学工程等领域的实际生产中, 用以提高加工精度,制造出体积更小、能耗更低、精度更高、功能更强的产品。 [0002] The NC table are widely used in semiconductor processing, precision manufacturing, etc. Optical Engineering actual production, to improve machining accuracy, a manufacturing smaller, lower power consumption, higher precision and more powerful product. 数控工作台是数控机床的重要组成部分,它能根据数控系统指令控制执行部件的运动速度与位移,或者控制几个执行部件按一定规律运动合成所需要的运动轨迹。 NC table is an important part of the CNC machine, capable of controlling the movement velocity and displacement of the member performing numerical control system according to the instruction, or control the trajectory of the motion means according to a certain law required for the synthesis of several execution. 发展高性能的数控系统,就必须发展高性能的数控进给伺服系统,这是因为数控进给伺服系统在很大程度上决定了数控系统的加工精度、表面质量和生产效率。 The development of high-performance numerical control system, we must develop high-performance CNC feed servo system, because the CNC feed servo system largely determines the machining accuracy, surface quality and productivity of CNC systems. 目前国内外有很多科研院所或生产厂家都在研究各种数控工作台,其研究工作基本上可以归纳为两种:精密定位型和经济型。 There are a lot of domestic and foreign research institutes or manufacturers are studying various CNC table, its research work can be summarized as basically two types: type precision positioning and economy. 精密定位型数控工作台可以具有很高的稳定性、快速性和准确性,但是价格昂贵;经济型数控工作台价格便宜,但是其静态特性和动态特性往往不尽如人意。 CNC precision positioning table can have a high stability, fast and accurate, but expensive; economical CNC table cheap, but its static and dynamic characteristics are often unsatisfactory. 综上,研制一种具有高动态特性的经济型数控工作台成为诸多科研院所的攻关内容。 In summary, the development of an economically highly dynamic CNC table of contents to become research and many research institutes.

实用新型内容 SUMMARY

[0003] 本实用新型用于克服上述已有技术之缺陷而提供一种通过改进机械部分结构从而提高动态特性的二维数控工作台。 [0003] The present invention for a two-dimensional numerical overcome the drawbacks of the prior art described above and to provide an improved through the partial structure to improve the mechanical dynamic characteristics of the stage.

[0004] 本实用新型所称问题是通过以下技术方案解决的: [0004] The present invention mentioned problem is solved by the following technical solutions:

[0005] 一种二维数控工作台,由上下两层运动方向正交的驱动机构组成,所述各层驱动机构分别包括导轨、丝杠、丝母、底座和电机,其特别之处是:所述上层驱动机构还设有支撑架、电机架、滑轨、滑套和工作台,所述支撑架、电机架分别固定在下层底座上,上层电机由电机架支撑,上层丝杠一端与上层电机传动连接、另一端由支撑架支撑,所述滑轨与上层导轨正交设置,其两端与工作台固连,所述滑套、滑轨滑动配合,滑套固接上层丝母。 [0005] A two-dimensional numerical table, the drive mechanism perpendicular to the movement direction of upper and lower layers composed of said layers respectively comprising a driving mechanism rails, screw, nut, and a motor base, which is special: the upper layer also has a support frame drive mechanism, motor frame, rails, and the table sleeve, the support bracket, the motor bracket are fixed to the lower base, an upper frame supported by the motor the motor, with the upper end of the upper screw motor drive is connected, the other end of the support bracket, the guide rail and the upper rail orthogonally disposed, both ends thereof secured to the table, said sleeve, with the slide rail, the upper sleeve secured to the nut.

[0006] 上述二维数控工作台,所述滑套与上层丝母间设有滑套连接件,所述滑轨两端与工作台间设有滑轨连接件。 [0006] the two-dimensional numerical table, between the sleeve and the nut is provided with upper connector sleeve, between the rail ends to the table rail connecting member is provided.

[0007] 本实用新型针对现有二维数控工作台下层伺服驱动系统负载大、动态性能不易保证的问题进行了改进,通过增加滑轨、滑套、电机架、支撑架等部件使下层机构运动时上层机构在丝杠、电机不动的情况下实现一维方向的运动。 [0007] The present invention for a large two-dimensional numerical table underlying conventional servo drive system load, difficult to guarantee the dynamic performance problems were improved by increasing the slide, bushes, motor frame, cage like member moving mechanism of the lower layer when the upper mechanism implemented in one-dimensional direction of the screw, the case where the motor does not move the motion. 该设计只有工作台、上层导轨压在下层驱动机构上,因而大大减轻了下层机构负载,提高了系统的动态响应特性,并有助于降低对伺服系统要求。 Only the design stage, the upper rail is pressed against the lower driver mechanism, thus greatly reducing the load of the underlying mechanism, the improved dynamic response characteristics of the system, and helps reduce the servo system requirements. 本实用新型具有设计合理,结构简单、外形紧凑、适用性强、能够快速定位、适合轻载快速运动等特点。 The present invention has reasonable design, simple structure, compact, applicability to quickly locate, light load for fast motion and so on.

附图说明 BRIEF DESCRIPTION

[0008] 图1是本实用新型结构示意图;[0009] 图2是上层驱动机构结构示意图; [0008] FIG. 1 is a structural diagram of the present invention novel; [0009] FIG. 2 is a schematic view of an upper driving mechanism structure;

[0010] 图3是下层驱动结构示意图; [0011] 图4是带上层底座的下层驱动结构示意图。 [0010] FIG. 3 is a schematic view of a lower driving structure; [0011] FIG. 4 is a schematic view of the lower driver with the upper base.

[0012] 附图中标号如下:1.上层电机,2.电机架,3.下层电机,4.下层导轨,5.上层导轨,6.滑轨,7.滑套,8.支撑架,9.上层丝杠,10.上层丝母,11.滑套连接件,12.滑轨连接件,13.工作台,14.上层底座,15.下层底座,16.联轴器,17.上层轴承座,18.上层滑块, 19.上层垫块,20.下层轴承座,21.下层电机架,22.下层联轴器,23.下层丝杠,24.下层滑块,25.下层丝母座,26.下层丝母,27.下层垫块。 [0012] reference numerals are as follows:..... The upper motor 1, motor frame 2, the lower the motor 3, the lower rails 4, upper rails 5, 6 slide, sliding sleeve 7, the support bracket 8, 9... The upper lead screw, 10 upper screw nut, 11 connected to sleeve member 12. The slide connection member 13 the table, 14 The upper base 15 lower base 16 coupling 17 upper bearing seat 18 the upper slider 19. The upper pad 20. lower bearing seat 21 the lower motor frame, 22 lower coupling 23. lower screw, 24 the lower slider 25. lower nut seat 26. lower nut, 27 a lower spacer.

具体实施方式 Detailed ways

[0013] 参看图1,本实用新型由上下两层运动方向正交的驱动机构组成。 [0013] Referring to Figure 1, the drive mechanism of the present invention perpendicular to the direction of movement of the upper and lower layers composition. 从减轻下层机构负重,提高其机械传动的动态特性,并有助于降低系统对伺服系统要求的目的出发,本实用新型对上层驱动机构的结构进行了重要改进。 From the lower layer means reduce weight, improve the dynamic characteristics of the mechanical transmission, and helps reduce the system requirements for the purposes of starting the servo system, the configuration of the present invention, the upper drive mechanism will be important improvement.

[0014] 参看图1、图2,所述上层驱动机构包括上层导轨5、上层丝杠9、上层丝母10、工作台13、上层电机1、上层底座14、支撑架8、电机架2、滑轨6、滑套7,其中支撑架、电机架分别固定在下层底座15上,上层电机1由电机架支撑8,上层丝杠9 一端经联轴器16与上层电机传动连接、另一端由支撑架8上的轴承座17支撑,所述滑轨为圆柱形滑轨,它与上层导轨5正交设置,其两端与经滑轨连接件12与工作台13固连,滑轨由滑套中穿过,二者滑动配合,滑套7经滑套连接件11固接上层丝母10。 [0014] Referring to FIG. 1, FIG. 2, the upper drive mechanism includes an upper rail 5, the upper spindle 9, the upper nut 10, table 13, the upper motor 1, the upper chassis 14, the support frame 8, the motor holder 2, slide 6, the sliding sleeve 7, wherein the support frame, the motor bracket are fixed to the lower base 15, an upper machine frame 1 is supported by the motor 8, an upper end connected to the upper spindle 9 by the motor drive coupling 16, the other end support frame 17 supports the bearing housing, the cylindrical slide rail, which is provided with an upper layer orthogonal to the guide rail 5, and both ends thereof are connected via the rail 12 and 8 on the table 13 is fixedly connected to the slide rail through the sleeve, both sliding fit, the sliding sleeve 7 is connected via the sleeve member 11 is fixed to the upper nut 10. 上层导轨5与上层底座14固定,上层底座与下层丝母固定、并与下层导轨4滑动连接。 5 and the upper rail fixed to the upper chassis 14, the upper base and the lower fixing nut, and the guide rail 4 and the lower sliding connection. 由于上层驱动机构的丝杠、丝母、电机、电机等部件的重量都直由下层底座承担,仅上层工作台和上层导轨的负重由下层驱动机构承担上,从而大大降低了下层驱动机构的负载。 Due to the weight of the upper part of the screw drive mechanism, the nut, motors, linear motors, etc. are borne by the lower base, the upper table and only the upper guide rail of the load borne by the lower driving means, thereby greatly reducing the load of the drive mechanism of the lower .

[0015] 本实用新型工作时,上层电机1带动上层丝杠9旋转,使上层丝母10轴向移动,上层丝母经滑套、滑轨带动工作台13移动,实现工作台一维方向移动;下层驱动机构工作时, 由下层电机3带动下层丝杠旋转,使下层丝母轴向移动,同时上层底座14、上层导轨5、工作台13随动,滑套7在滑轨6上滑动,实现工作台另一方向的一维移动,此状态时上层电机、 联轴器16、上层丝杠9等部件并不移动。 [0015] When working the present invention, an upper drive motor 9 rotates the screw top, so that the upper nut 10 to move axially through the upper sleeve nut, driven slide table 13 is moved to achieve a dimensional movement direction of the table ; lower work when the drive mechanism, the lower layer 3 underlying motor driven screw rotation, so that the lower nut to move axially, while the upper base 14, upper guide rail 5, with the movable table 13, the sliding sleeve 7 on the rail 6, achieve a dimensional movement in the other direction of the table, this state the upper motor, coupling 16, the upper screw member 9 and the like is not moved.

Claims (2)

  1. 一种二维数控工作台,由上下两层运动方向正交的驱动机构组成,所述各层驱动机构分别包括导轨、丝杠、丝母、底座和电机,其特征在于:所述上层驱动机构还设有支撑架(8)、电机架(2)、滑轨(6)、滑套(7)和工作台(13),所述支撑架、电机架分别固定在下层底座(15)上,上层电机(1)由电机架支撑,上层丝杠(9)一端与上层电机传动连接、另一端由支撑架支撑,所述滑轨(6)与上层导轨(5)正交设置,其两端与工作台(13)固连,所述滑套、滑轨滑动配合,滑套固接上层丝母(10)。 A two-dimensional numerical table, the drive mechanism perpendicular to the movement direction of upper and lower layers composed of said layers respectively comprising a driving mechanism rails, screw, nut, and a motor base, wherein: the top drive mechanism There is also a support frame (8), the motor carrier (2), rails (6), the sliding sleeve (7) and the table (13), the support frame, the motor bracket are fixed to the lower base (15), upper motor (1) is supported by a motor frame, the upper spindle (9) is connected to the upper end of the drive motor, the other end of the support bracket, the guide rail (6) with the upper guide rail (5) is provided perpendicular to its ends and the table (13) fixedly connected to the sleeve, with the slide rail, the upper sleeve secured to the nut (10).
  2. 2.根据权利要求1所述的二维数控工作台,其特征在于:所述滑套与上层丝母间设有滑套连接件(11),所述滑轨两端与工作台间设有滑轨连接件(12)。 The two-dimensional numerical table according to claim 1, wherein: said sleeve between the nut and the upper sleeve is provided with connection (11) between the rail ends is provided with a table rail connecting member (12).
CN200920350224XU 2009-12-30 2009-12-30 Two-dimensional numerical control workbench CN201565785U (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102310332A (en) * 2011-03-31 2012-01-11 龙梅 Travelling-direction control module for numerical-control translation stage
CN102494096A (en) * 2011-11-30 2012-06-13 济南德佳玻璃机器有限公司 Circular and linear motion mechanism
CN102502304A (en) * 2011-09-05 2012-06-20 河北科技大学 Stripped marker based soft material positioning device and positioning method
CN102649232A (en) * 2011-02-28 2012-08-29 鸿富锦精密工业(深圳)有限公司 Linear motion platform
CN102829988A (en) * 2012-08-13 2012-12-19 清华大学 Testing device for vertical and continuous loading at optional position of numerical control moving table
CN103050151A (en) * 2012-12-24 2013-04-17 南京航空航天大学 X-Y workbench with two degrees of freedom
CN103157745A (en) * 2011-12-09 2013-06-19 苏州工业园区高登威科技有限公司 Hydraulic machine platform calibration structure
CN103273328A (en) * 2013-05-08 2013-09-04 武汉科技大学 Large-stroke micro-drive precise two-dimensional worktable
CN103388725A (en) * 2013-07-29 2013-11-13 吴江迈为技术有限公司 Single-layer X-Y direction adjustment platform
CN104469225A (en) * 2014-12-12 2015-03-25 上海仪电电子股份有限公司 Slide rail type mobile lens door applied to laser television projector
CN106272275A (en) * 2015-05-11 2017-01-04 河北科技大学 A kind of combination type ultraprecise linear motion workbench
CN106996504A (en) * 2017-04-21 2017-08-01 广州雅隆自动化设备有限公司 A kind of television support structure

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102649232A (en) * 2011-02-28 2012-08-29 鸿富锦精密工业(深圳)有限公司 Linear motion platform
CN102649232B (en) * 2011-02-28 2014-07-02 鸿富锦精密工业(深圳)有限公司 Linear motion platform
CN102310332A (en) * 2011-03-31 2012-01-11 龙梅 Travelling-direction control module for numerical-control translation stage
CN102502304B (en) * 2011-09-05 2014-07-30 河北科技大学 Stripped marker based soft material positioning device and positioning method
CN102502304A (en) * 2011-09-05 2012-06-20 河北科技大学 Stripped marker based soft material positioning device and positioning method
CN102494096A (en) * 2011-11-30 2012-06-13 济南德佳玻璃机器有限公司 Circular and linear motion mechanism
CN103157745A (en) * 2011-12-09 2013-06-19 苏州工业园区高登威科技有限公司 Hydraulic machine platform calibration structure
CN102829988B (en) * 2012-08-13 2015-04-15 清华大学 Testing device for vertical and continuous loading at optional position of numerical control moving table
CN102829988A (en) * 2012-08-13 2012-12-19 清华大学 Testing device for vertical and continuous loading at optional position of numerical control moving table
CN103050151A (en) * 2012-12-24 2013-04-17 南京航空航天大学 X-Y workbench with two degrees of freedom
CN103273328A (en) * 2013-05-08 2013-09-04 武汉科技大学 Large-stroke micro-drive precise two-dimensional worktable
CN103273328B (en) * 2013-05-08 2015-11-18 武汉科技大学 Large-stroke micro-drive precise two-dimensional worktable
CN103388725A (en) * 2013-07-29 2013-11-13 吴江迈为技术有限公司 Single-layer X-Y direction adjustment platform
CN103388725B (en) * 2013-07-29 2016-03-02 吴江迈为技术有限公司 Individual layer X-Y direction adjustment platform
CN104469225A (en) * 2014-12-12 2015-03-25 上海仪电电子股份有限公司 Slide rail type mobile lens door applied to laser television projector
CN106272275A (en) * 2015-05-11 2017-01-04 河北科技大学 A kind of combination type ultraprecise linear motion workbench
CN106996504A (en) * 2017-04-21 2017-08-01 广州雅隆自动化设备有限公司 A kind of television support structure

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