CN102501112B - Quick repeated positioning device for machining - Google Patents
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- CN102501112B CN102501112B CN 201110341528 CN201110341528A CN102501112B CN 102501112 B CN102501112 B CN 102501112B CN 201110341528 CN201110341528 CN 201110341528 CN 201110341528 A CN201110341528 A CN 201110341528A CN 102501112 B CN102501112 B CN 102501112B
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- 238000003754 machining Methods 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 230000003252 repetitive effect Effects 0.000 abstract description 3
- 238000007514 turning Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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Abstract
本发明公开了一种机加工用快换重复定位装置，其结构包括开设有中心孔并安装于机床主轴或工作台面上的卡盘基座以及通过拉钉定位安装于卡盘基座上方的托盘支座；所述卡盘基座内部设置有油缸或气缸以及与油缸或气缸连通的油道或气道；所述油缸或气缸结构包括活塞及活塞下方连接的压簧，所述油缸或气缸内腔与卡盘基座中心孔连通，在活塞上开设球形槽，在拉钉上开设环形槽，所述球形槽和环形槽通过油缸或气缸内腔与卡盘基座中心孔连通的连通孔之间设置有锁紧钢球。本发明用于各种加工中心、车削中心等金属加工机床的专用工装快速切换及生产线的快速换型、消除了工装调整时间。克服现有夹具重复定位精度低的缺陷，达到提高加工效率，降低成本的效果。
The invention discloses a quick-change repeat positioning device for machining, the structure of which comprises a chuck base provided with a central hole and installed on the main shaft of a machine tool or a working table, and a tray positioned above the chuck base by pulling nails Support; the inside of the chuck base is provided with an oil cylinder or cylinder and an oil passage or air passage communicated with the oil cylinder or cylinder; the structure of the oil cylinder or cylinder includes a piston and a compression spring connected under the piston, and the inside of the oil cylinder or cylinder The cavity is connected with the center hole of the chuck base, and a spherical groove is set on the piston, and an annular groove is set on the pull nail. There are locking steel balls between them. The invention is used for fast switching of special tooling of various machining centers, turning centers and other metal processing machine tools and quick changeover of production lines, eliminating the time for tooling adjustment. The defect of low repetitive positioning accuracy of the existing fixture is overcome, and the effect of improving processing efficiency and reducing cost is achieved.
Description
技术领域 technical field
本发明涉及定位装置，具体地说是一种机加工用快换重复定位装置。 The invention relates to a positioning device, in particular to a quick-change repeat positioning device for machining.
背景技术 Background technique
在机械加工中，技术人员都希望有一种重复定位精度高的夹具，既要便于装卸，又要保持高的定位精度，因为传统的孔轴配合定心，棱形销定向的方式很难保证0.01mm以内的精度，无法实现工装快换（或作随行夹具），工装调试时间长，降低了生产效率，无法满足现代加工工艺要求，所以很有必要开发一种机加工用快换重复定位装置。 In mechanical processing, technicians hope to have a fixture with high repeat positioning accuracy, which is not only convenient for loading and unloading, but also maintains high positioning accuracy, because it is difficult to guarantee 0.01 in the traditional way of centering with hole axis and prismatic pin orientation. Accuracy within mm cannot realize quick change of tooling (or as accompanying fixture), long tooling debugging time reduces production efficiency, and cannot meet the requirements of modern processing technology, so it is necessary to develop a quick change and repeat positioning device for machining.
发明内容 Contents of the invention
本发明的目的是针对现有技术存在的缺陷，提供一种机加工用快换重复定位装置。克服现有夹具重复定位精度低的缺陷，达到提高加工效率，降低成本的效果。用于各种加工中心、车削中心等金属加工机床的专用工装快速切换及生产线的快速换型、消除了工装调整时间。 The object of the present invention is to provide a quick-change repeat positioning device for machining in view of the defects in the prior art. The defect of low repetitive positioning accuracy of the existing fixture is overcome, and the effect of improving processing efficiency and reducing cost is achieved. It is used for fast switching of special tooling of various machining centers, turning centers and other metal processing machine tools and quick changeover of production lines, eliminating the time for tooling adjustment.
本发明解决其技术问题所采用的技术方案是：一种机加工用快换重复定位装置，其结构包括开设有中心孔并安装于机床主轴或工作台面上的卡盘基座以及通过拉钉定位安装于卡盘基座上方的托盘支座；所述卡盘基座内部设置有油缸或气缸以及与油缸或气缸连通的油道或气道；所述油缸或气缸结构包括活塞及活塞下方连接的压簧，所述油缸或气缸内腔与卡盘基座中心孔连通，在活塞上开设球形槽，在拉钉上开设环形槽，所述球形槽和环形槽通过油缸或气缸内腔与卡盘基座中心孔连通的连通孔之间设置有锁紧钢球。 The technical solution adopted by the present invention to solve the technical problem is: a quick-change repeat positioning device for machining. The tray support installed above the chuck base; the inside of the chuck base is provided with an oil cylinder or cylinder and an oil passage or air passage communicated with the oil cylinder or cylinder; the structure of the oil cylinder or cylinder includes a piston and a Compression spring, the oil cylinder or the inner cavity of the cylinder communicates with the center hole of the chuck base, a spherical groove is set on the piston, and an annular groove is set on the pull nail, and the spherical groove and the annular groove are connected to the chuck through the inner cavity of the oil cylinder or cylinder. Locking steel balls are arranged between the connecting holes connected to the central hole of the base.
所述托盘支座开设有定位孔和连接孔，定位孔中安装用来定位工装的定位销；连接孔中安装用来连接固定工装的联接螺栓。 The pallet support is provided with positioning holes and connecting holes, positioning pins for positioning tooling are installed in the positioning holes; connecting bolts for connecting and fixing tooling are installed in the connecting holes.
所述卡盘基座和托盘支座之间设置有弹性定位板，所述弹性定位板安装在托盘支座上，再通过拉钉的螺纹旋紧固定于托盘支座上。 An elastic positioning plate is arranged between the chuck base and the tray support, and the elastic positioning plate is installed on the tray support, and then screwed and fixed on the tray support by the screw thread of the pull rivet.
所述压簧安装在压簧套内并用安装于压簧套内的压簧座进行调紧。 Described stage clip is installed in the stage clip cover and is adjusted and tightened with the stage clip seat installed in the stage clip cover.
所述油道或气道的口部设置有闷塞或螺塞。 The mouth of the oil passage or the air passage is provided with a stuffy plug or a screw plug.
所述卡盘基座上有4个径向分布的棱面定位块组成一个十字架。 There are four radially distributed facet positioning blocks on the chuck base to form a cross.
所述托盘支座上有4条径向分布的弹性槽组成空心十字槽。 There are four radially distributed elastic grooves on the tray support to form a hollow cross groove.
本发明的一种机加工用快换重复定位装置和现有技术相比，具有以下有益效果： Compared with the prior art, a quick-change repeat positioning device for machining of the present invention has the following beneficial effects:
本发明用于各种加工中心、车削中心等金属加工机床的专用工装快速切换及生产线的快速换型、消除了工装调整时间。克服现有夹具重复定位精度低的缺陷，达到提高加工效率，降低成本的效果。 The invention is used for fast switching of special tooling of various machining centers, turning centers and other metal processing machine tools and quick changeover of production lines, eliminating the time for tooling adjustment. The defect of low repetitive positioning accuracy of the existing fixture is overcome, and the effect of improving processing efficiency and reducing cost is achieved.
附图说明： Description of drawings:
图1为本发明实施例的结构示意图。 Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
图中：闷塞1、卡盘基座2、螺塞3、托盘支座4、联接螺栓5、拉钉6、弹性定位板7、活塞8、锁紧钢球9、压簧10、压簧套11、压簧座12。
In the figure:
具体实施方式： Detailed ways:
接下来参照说明书附图对本发明的一种机加工用快换重复定位装置作以下详细地说明。 Next, a quick-change repeat positioning device for machining according to the present invention will be described in detail below with reference to the accompanying drawings.
一种机加工用快换重复定位装置，其结构包括开设有中心孔并安装于机床主轴或工作台面上的卡盘基座以及通过拉钉定位安装于卡盘基座上方的托盘支座；所述卡盘基座内部设置有油缸或气缸以及与油缸或气缸连通的油道或气道；所述油缸或气缸结构包括活塞及活塞下方连接的压簧，所述油缸或气缸内腔与卡盘基座中心孔连通，在活塞上开设球形槽，在拉钉上开设环形槽，所述球形槽和环形槽通过油缸或气缸内腔与卡盘基座中心孔连通的连通孔之间设置有锁紧钢球。所述托盘支座开设有定位孔和连接孔，定位孔中安装用来定位工装的定位销；连接孔中安装用来连接固定工装的联接螺栓。所述卡盘基座和托盘支座之间设置有弹性定位板，所述弹性定位板安装在托盘支座上，再通过拉钉的螺纹旋紧固定于托盘支座上。所述压簧安装在压簧套内并用安装于压簧套内的压簧座进行调紧。所述油道或气道的口部设置有闷塞1或螺塞3。所述卡盘基座上有4个径向分布的棱面定位块组成一个十字架。所述托盘支座上有4条径向分布的弹性槽组成空心十字槽。
A quick-change repeat positioning device for machining, the structure of which includes a chuck base provided with a central hole and installed on the main shaft of a machine tool or a work table, and a tray support positioned above the chuck base by pulling nails; The inside of the chuck base is provided with an oil cylinder or a cylinder and an oil passage or an air passage communicated with the oil cylinder or the cylinder; the structure of the oil cylinder or the cylinder includes a piston and a compression spring connected under the piston, and the inner chamber of the oil cylinder or the cylinder is connected to the chuck The central hole of the base is connected, a spherical groove is provided on the piston, and an annular groove is provided on the pull nail. A lock is arranged between the spherical groove and the annular groove through the communication hole that communicates with the central hole of the chuck base through the oil cylinder or the inner cavity of the cylinder. Tighten the steel ball. The pallet support is provided with positioning holes and connecting holes, positioning pins for positioning tooling are installed in the positioning holes; connecting bolts for connecting and fixing tooling are installed in the connecting holes. An elastic positioning plate is arranged between the chuck base and the tray support, and the elastic positioning plate is installed on the tray support, and then screwed and fixed on the tray support by the screw thread of the pull rivet. Described stage clip is installed in the stage clip cover and is adjusted and tightened with the stage clip seat installed in the stage clip cover. The mouth of the oil passage or air passage is provided with a
工作时，先将将卡盘基座2固定安装在机床主轴或工作台面上，卡盘基座2左面螺纹孔安装上气路或者油路，卡盘基座2右面螺纹孔安装上气路；更换工装时，将工装上的定位销安放于托盘支座4的定位销孔内，用联接螺栓5将工装固定于托盘支座4上；然后将托盘支座4组合件通过拉钉6放入到卡盘基座2的中心孔内进行定位，在定位进行过程中，卡盘支座2的棱面定位块嵌入到托盘支座4弹性槽内，迫使弹性定位板7就位，使卡盘基座2的棱面定位块十字架与托盘支座4空心十字弹性槽无间隙密合，从而实现水平面上的定位，托盘支座4组合件继续前行直到，压簧10压紧活塞8向上运动挤压锁紧钢球9从活塞8上的孔内沿锁紧钢球孔向卡盘基座2的中心孔移动，当活塞8的外径顶住锁紧钢球9的外径时，锁紧钢球9正好位于拉钉6的锁紧槽内并将拉钉6锁紧于卡盘基座2的中心孔内，此时支承块端面与卡盘基座上的支承平面贴合，弹性定心板作微量变形，从而实现托盘支座4组合件垂直方向上的定位。即可进行零件的装夹加工，当需要进行更换零件装夹工装时，打开卡盘基座2的左侧的气路或者油路，压缩活塞8向下运行，托盘支座4组合件在弹性定位板7的弹性作用下向上运行，锁紧钢球9在拉钉6的作用下移向活塞8上的孔内，此时即可将托盘支座4组合件卸下进行更换，断开卡盘基座2的左侧气路或者油路，重复上面安装时的动作完成更换。如果卡盘基座2和托盘支座4的结合面有铁屑等杂物时，打开卡盘基座2右侧的气路即可进行吹净。
When working, first fix the
以上所述实施例，只是本发明较优选的具体的实施方式的一种，本领域的技术人员在本发明技术方案范围内进行的通常变化和替换都应包含在本发明的保护范围内。 The above-described embodiments are only one of the more preferred specific implementation modes of the present invention, and the usual changes and replacements performed by those skilled in the art within the scope of the technical solutions of the present invention shall be included in the protection scope of the present invention. the
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| CN 201110341528 CN102501112B (en) | 2011-11-02 | 2011-11-02 | Quick repeated positioning device for machining |
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| CN103600250B (en) * | 2013-11-21 | 2015-11-04 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of blade self adaptation clamping and positioning device |
| CN103894856B (en) * | 2014-04-02 | 2016-06-29 | 广西玉柴机器股份有限公司 | Arc machining localization method installed by diesel engine single body pump |
| CN104476218B (en) * | 2014-11-03 | 2017-06-16 | 宁波海天精工股份有限公司 | A kind of positioning and clamping mechanism of horizontal Machining centers workbench |
| CN108145495A (en) * | 2016-12-06 | 2018-06-12 | 江西昌河航空工业有限公司 | A kind of tooling that can be achieved to be processed five face of workpiece |
| CN108381260A (en) * | 2018-04-27 | 2018-08-10 | 苏州金世博精密机电有限公司 | A kind of quick locking locator |
| CN108818518B (en) * | 2018-09-03 | 2024-01-02 | 杭州程天科技发展有限公司 | Baffle device capable of automatically locking |
| CN111015313A (en) * | 2019-12-28 | 2020-04-17 | 无锡市瑞可特科技有限公司 | Oil pressure quick positioning device |
| CN112605686A (en) * | 2020-12-30 | 2021-04-06 | 南通诚弘精密机械有限公司 | Machining tool for four-axis CNC machining equipment and working method of machining tool |
| CN113681330A (en) * | 2021-10-27 | 2021-11-23 | 湖南中大创远数控装备有限公司 | Rivet actuating device |
| CN114310407A (en) * | 2022-01-25 | 2022-04-12 | 明德润和机械制造(天津)有限公司 | A precision repeater |
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| US4804301A (en) * | 1988-02-24 | 1989-02-14 | Gte Valenite Corporation | Central drawbar coupling actuating mechanism |
| CN201815983U (en) * | 2010-06-09 | 2011-05-04 | 薛传玖 | Precision fixture |
| CN102032238B (en) * | 2011-01-17 | 2012-12-19 | 江阴市洪腾机械有限公司 | External control type self-locking hydraulic cylinder |
| CN201960392U (en) * | 2011-02-21 | 2011-09-07 | 上海三一精机有限公司 | Attachment head tensioning device |
| CN201934423U (en) * | 2011-02-22 | 2011-08-17 | 张家口长城液压油缸有限公司 | Mechanical positioning and locking cylinder |
| CN202317779U (en) * | 2011-11-02 | 2012-07-11 | 山东常林机械集团股份有限公司 | Quick-change repeated positioning device for machining |
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