WO2018098619A1 - 鼓状工件夹紧装置 - Google Patents

鼓状工件夹紧装置 Download PDF

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Publication number
WO2018098619A1
WO2018098619A1 PCT/CN2016/107674 CN2016107674W WO2018098619A1 WO 2018098619 A1 WO2018098619 A1 WO 2018098619A1 CN 2016107674 W CN2016107674 W CN 2016107674W WO 2018098619 A1 WO2018098619 A1 WO 2018098619A1
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WIPO (PCT)
Prior art keywords
drum
shaped workpiece
clamping device
pneumatic mechanism
claw
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PCT/CN2016/107674
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English (en)
French (fr)
Inventor
黄孝如
Original Assignee
黄孝如
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Publication date
Application filed by 黄孝如 filed Critical 黄孝如
Priority to PCT/CN2016/107674 priority Critical patent/WO2018098619A1/zh
Publication of WO2018098619A1 publication Critical patent/WO2018098619A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

Definitions

  • the utility model relates to a tooling, in particular to a clamping device for clamping a drum-shaped workpiece.
  • drum-shaped workpieces which include an upper disc portion, a lower disc portion, and a joint therebetween, wherein the upper surface of the upper disc portion
  • the lower surface of the lower disc portion is also a curved surface having a certain curvature, and when the upper surface of the upper disc portion or the lower surface of the lower disc portion is machined (or other shape), The drum-shaped workpiece needs to be firmly fixed.
  • a conventional fixing method is a positioning jig, which includes a first positioning block and a second positioning block, the second positioning block being combined with the first positioning block under the action of the cylinder, and a space for positioning the connection portion is formed therebetween. Since the upper disc portion and the lower disc portion are not positioned, the positioning effect is poor only by positioning the connecting portion, and the workpiece may be slightly deflected during the machining process, which affects the processing quality of the workpiece.
  • the technical problem to be solved by the present invention is to provide a drum-like workpiece clamping device capable of firmly drum-like workpieces, thereby overcoming the deficiencies of the prior art.
  • a drum-shaped workpiece clamping device comprising:
  • Parallel opening and closing pneumatic mechanism wherein two ends of the parallel opening and closing pneumatic mechanism are respectively connected with at least one claw, and the claw is used for hooking the edge of the upper mouth portion of the drum-shaped workpiece, and is driven by the parallel opening and closing pneumatic mechanism Lower, the claws move in parallel or outward;
  • a vacuum adsorption mechanism comprising: a base body for placing a workpiece, the base body comprising an adsorption surface, the adsorption surface is provided with a plurality of suction holes, and the air passage is opened inside the base body, the ventilation The track is for connection to an external vacuum device that matches the inner surface of the lower mouth portion of the drum-shaped workpiece.
  • the claw includes a hook portion for hooking an edge of the upper mouth portion of the drum-shaped workpiece.
  • the two ends of the parallel opening and closing pneumatic mechanism are respectively connected with two claws.
  • the upper and lower sides of the parallel opening and closing pneumatic mechanism are connected to the lifting mechanism.
  • the lifting mechanism adopts a mechanical arm or a lifting cylinder that moves in the Z-axis direction.
  • the drum-shaped workpiece clamping device provided by the utility model is in operation, firstly, the vacuum adsorption machine
  • the bottom portion of the drum-like workpiece is sucked, and then the parallel opening and closing pneumatic mechanism moves horizontally inward, thereby driving the jaws to hook the upper mouth portion of the drum-shaped workpiece, so that the drum-shaped workpiece can be firmly clamped.
  • the purpose is to facilitate the accurate machining of the drum-shaped workpiece.
  • FIG. 1 is a schematic structural view of a drum-shaped workpiece disclosed in an embodiment of the present invention
  • Figure 2 is a front elevational view of the drum-shaped workpiece clamping device disclosed in the embodiment of the present invention.
  • Figure 3 is a front elevational view of the vacuum suction mechanism disclosed in the embodiment of the present invention.
  • the embodiment of the present invention is designed for a drum-shaped workpiece.
  • the drum-shaped workpiece includes an upper disc portion K1, a lower disc portion K3, and a connecting portion K2 therebetween, wherein the upper disc The portion K1 has an upper mouth portion, and the lower disk portion K3 has a lower mouth portion.
  • an embodiment of the present invention discloses a drum-shaped workpiece clamping device, including:
  • Parallel opening and closing pneumatic mechanism 11 two ends of the parallel opening and closing pneumatic mechanism 11 are respectively connected with at least one claw 12, and the claw 12 is used for hooking the edge of the upper mouth portion of the drum-shaped workpiece, and the pneumatic mechanism 11 is opened and closed in parallel. Under the driving, the claws 12 move in parallel or outward;
  • the vacuum adsorption mechanism includes a base body 13 for placing a workpiece.
  • the base body 13 includes an adsorption surface 131.
  • the adsorption surface 131 is provided with a plurality of air suction holes.
  • the base body 13 is internally provided with an air passage, and the air passage is used for the air passage. Connected to the external vacuum device, the adsorption surface 131 matches the inner surface of the lower mouth portion of the drum-shaped workpiece.
  • the claw 12 includes a hook portion for hooking the edge of the upper mouth portion of the drum-shaped workpiece.
  • two ends of the parallel opening and closing pneumatic mechanism 11 are respectively connected to the two claws 12.
  • the lifting mechanism 14 is connected above the parallel opening and closing pneumatic mechanism 11. Further, the lifting mechanism 14 employs a robot arm or a lifting cylinder that moves in the Z-axis direction.
  • the vacuum suction mechanism sucks the lower mouth portion of the drum-shaped workpiece, and then the lifting mechanism 14 drives the entire drum-shaped workpiece.
  • the clamping device descends and is close to the drum-shaped workpiece K.
  • the parallel opening and closing pneumatic mechanism 11 moves horizontally inward, thereby driving the claw 12 to hook the upper mouth portion of the drum-shaped workpiece K, so that the drum-like workpiece can be realized.
  • the purpose of the firm clamping is to facilitate the precise machining of the drum-shaped workpiece.

Abstract

一种鼓状工件夹紧装置，包括：平行开闭气动机构（11），所述平行开闭气动机构（11）的两端分别连接至少一个卡爪（12），所述卡爪（12）用于卡勾住鼓状工件的上口部的边缘，在平行开闭气动机构（11）的带动下，所述卡爪（12）向内或向外平行运动；真空吸附机构，所述真空吸附机构包括用于放置工件的基体（13），所述基体（13）包括一个吸附面（131），所述吸附面上开设有多个吸气孔，该基体（13）内部开设有通气道，所述通气道用于与外部真空装置相连，所述吸附面（131）与鼓状工件的下口部的内表面相匹配。该装置能够实现鼓状工件牢固夹紧的目的，从而方便精确加工鼓状工件。

Description

鼓状工件夹紧装置 技术领域
本实用新型涉及一种工装，具体涉及到一种用于夹紧鼓状工件的夹紧装置。
背景技术
在金属加工行业中，会出现各种形状的产品需要进行加工，例如鼓状工件，其包括上圆盘部、下圆盘部以及两者之间的连接部，其中上圆盘部的上表面为具有一定弧度的弧面，下圆盘部的下表面也为具有一定弧度的弧面，在于上圆盘部的上表面或下圆盘部的下表面进行加工孔(或其他形状)时，需将鼓状工件进行牢固的固定。常规的固定方式为定位夹具，其包括第一定位块和第二定位块，第二定位块在气缸的作用下与第一定位块合并，且两者之间形成用于定位连接部的空间。由于上圆盘部和下圆盘部没进行定位，仅仅靠定位连接部，定位效果差，在加工过程中工件可能出现轻微偏转的现象，影响工件的加工质量。
实用新型内容
本实用新型所要解决的技术问题是提供一种鼓状工件夹紧装置，其能够牢固地鼓状工件，从而克服了现有技术的不足。
为达到上述目的，本实用新型的技术方案如下：
一种鼓状工件夹紧装置，包括：
平行开闭气动机构，所述平行开闭气动机构的两端分别连接至少一个卡爪，所述卡爪用于卡勾住鼓状工件的上口部的边缘，在平行开闭气动机构的带动下，所述卡爪向内或向外平行运动；
真空吸附机构，所述真空吸附机构包括括用于放置工件的基体，所述基体包括一个吸附面，所述吸附面上开设有多个吸气孔，该基体内部开设有通气道，所述通气道用于与外部真空装置相连，所述吸附面与鼓状工件的下口部的内表面相匹配。
优选的，所述卡爪包括一勾部，所述勾部用于勾住鼓状工件的上口部的边缘。
优选的，所述平行开闭气动机构的两端分别连接两个卡爪。
优选的，所述平行开闭气动机构的上方连接升降机构。
进一步的，所述升降机构采用Z轴方向运动的机械臂或升降气缸。
通过以上技术方案，本实用新型提供的鼓状工件夹紧装置在工作时，首先，真空吸附机
构将鼓状工件的下口部吸附住，接着，平行开闭气动机构水平向内侧运动，从而带动夹爪将鼓状工件的上口部卡勾住，如此可以实现鼓状工件牢固夹紧的目的，从而方便精确加工鼓状工件。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对现有技术和实施例描述中所需要使用的附图作简单地介绍。
图1为本实用新型实施例公开的鼓状工件的结构示意图；
图2为本实用新型实施例公开的鼓状工件夹紧装置的主视图；
图3为本实用新型实施例公开的真空吸附机构的主视图。
具体实施方式
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。
本实用新型实施例是针对鼓状工件而设计，参见图1所示，该鼓状工件包括上圆盘部K1、下圆盘部K3以及两者之间的连接部K2，其中，上圆盘部K1具有上口部，下圆盘部K3具有下口部。
参见图2-3所示，本实用新型实施例公开了一种鼓状工件夹紧装置，包括：
平行开闭气动机构11，平行开闭气动机构11的两端分别连接至少一个卡爪12，卡爪12用于卡勾住鼓状工件的上口部的边缘，在平行开闭气动机构11的带动下，卡爪12向内或向外平行运动；
真空吸附机构，真空吸附机构包括括用于放置工件的基体13，基体13包括一个吸附面131，吸附面131上开设有多个吸气孔，该基体13内部开设有通气道，通气道用于与外部真空装置相连，吸附面131与鼓状工件的下口部的内表面相匹配。
优选的，卡爪12包括一勾部，勾部用于勾住鼓状工件的上口部的边缘。
优选的，平行开闭气动机构11的两端分别连接两个卡爪12。
优选的，平行开闭气动机构11的上方连接升降机构14。进一步的，升降机构14采用Z轴方向运动的机械臂或升降气缸。
本实用新型提供的鼓状工件夹紧装置的工作原理如下：
首先，真空吸附机构将鼓状工件的下口部吸附住，接着，升降机构14带动整个鼓状工件 夹紧装置下行，并靠近鼓状工件K，此时，平行开闭气动机构11水平向内侧运动，从而带动卡爪12将鼓状工件K的上口部卡勾住，如此可以实现鼓状工件牢固夹紧的目的，从而方便精确加工鼓状工件。
对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本实用新型的精神或范围的情况下，在其它实施例中实现。因此，本实用新型将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (5)

  1. 一种鼓状工件夹紧装置，其特征在于，包括：
    平行开闭气动机构，所述平行开闭气动机构的两端分别连接至少一个卡爪，所述卡爪用于卡勾住鼓状工件的上口部的边缘，在平行开闭气动机构的带动下，所述卡爪向内或向外平行运动；
    真空吸附机构，所述真空吸附机构包括括用于放置工件的基体，所述基体包括一个吸附面，所述吸附面上开设有多个吸气孔，该基体内部开设有通气道，所述通气道用于与外部真空装置相连，所述吸附面与鼓状工件的下口部的内表面相匹配。
  2. 根据权利要求1所述的鼓状工件夹紧装置，其特征在于，所述卡爪包括一勾部，所述勾部用于勾住鼓状工件的上口部的边缘。
  3. 根据权利要求1所述的鼓状工件夹紧装置，其特征在于，所述平行开闭气动机构的两端分别连接两个卡爪。
  4. 根据权利要求1所述的鼓状工件夹紧装置，其特征在于，所述平行开闭气动机构的上方连接升降机构。
  5. 根据权利要求4所述的鼓状工件夹紧装置，其特征在于，所述升降机构采用Z轴方向运动的机械臂或升降气缸。
PCT/CN2016/107674 2016-11-29 2016-11-29 鼓状工件夹紧装置 WO2018098619A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112189861A (zh) * 2020-09-07 2021-01-08 祁东县农业发展有限公司 一种黄花菜清洗除杂装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060251755A1 (en) * 2005-05-09 2006-11-09 Manfred Geiss Apparatus for machining a formed thermoplastic plate
CN103302522A (zh) * 2012-03-14 2013-09-18 发那科株式会社 使用工件夹紧夹具的工件加工方法以及工件夹紧夹具
CN105382741A (zh) * 2015-12-31 2016-03-09 上海理工大学 薄壁框类零件的气压柔性装夹装置及其装夹方法
CN105798811A (zh) * 2016-05-30 2016-07-27 苏州赛腾精密电子股份有限公司 一种定位夹紧治具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060251755A1 (en) * 2005-05-09 2006-11-09 Manfred Geiss Apparatus for machining a formed thermoplastic plate
CN103302522A (zh) * 2012-03-14 2013-09-18 发那科株式会社 使用工件夹紧夹具的工件加工方法以及工件夹紧夹具
CN105382741A (zh) * 2015-12-31 2016-03-09 上海理工大学 薄壁框类零件的气压柔性装夹装置及其装夹方法
CN105798811A (zh) * 2016-05-30 2016-07-27 苏州赛腾精密电子股份有限公司 一种定位夹紧治具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112189861A (zh) * 2020-09-07 2021-01-08 祁东县农业发展有限公司 一种黄花菜清洗除杂装置

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