Centering mechanism for clamping device of cutting machine
A technology of clamping device and centering mechanism, which is used in positioning devices, clamping, metal processing mechanical parts, etc. Effect
Inactive Publication Date: 2012-05-02
浙江浙大网新环境工程有限公司
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Problems solved by technology
[0003] In order to overcome the problem of low centering precision of the original clamping device, the object of the present invention is to provide a centering mechanism of the clamping device of the cutting machine tool
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[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0012] As shown in Figure 1, the extension rod of the first oil cylinder 1 is hinged to the first connecting rod 10, the first clamping shoe is fixedly connected to one end of the first connecting rod 10 through the slide bar, and the other end of the first connecting rod 10 is connected to the first connecting rod 10. One end of the second connecting rod 2 is hinged, and the other end of the second connecting rod 2 is hinged with one end of the crank 3; The clip tile is fixedly connected to the other end of the third connecting rod 6 through a slide bar, and the other end of the fourth connecting rod 4 is hinged to the other end of the crank 3; the center of rotation of the crank 3 is located at the center of the crank 3; the second connecting rod 2 and The fourth connecting rod 4 is equal in length, while the second connecting rod 2 and the fourth con...
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The invention discloses a centering mechanism for a clamping device of a cutting machine. An extension bar of a first oil cylinder is hinged with a first connecting bar. A first clamping shoe is fixedly connected with one end of the first connecting bar through a sliding bar, and the other end of the first connecting bar is hinged with one end of a second connecting bar. The other end of the second connecting bar is hinged with one end of a crank. An extension bar of a second oil cylinder is respectively hinged with one end of a third connecting bar and one end of a fourth connecting bar. A second clamping shoe is fixedly connected with the other end of the third connecting bar through the sliding bar. The other end of the fourth connecting bar is hinged with the other end of the crank. Arotating center of the crank is positioned in the center of the crank. The length of the second connecting bar is equal to the length of the fourth connecting bar. In addition, the second connecting bar and the fourth connecting bar are centrosymmetric relative to the rotating center of the crank. The tail parts of the first oil cylinder and the second oil cylinder are respectively hinged with each fixed point of a machine frame. The mechanism is simple and forcefully ensures two oil cylinders in the same pace through mechanical connection, thereby effectively reducing central deviation due to the external deviation of a workpiece clamping part and improving the centering precision during clamping.
Description
technical field [0001] The invention relates to a clamping centering mechanism of a cutting machine tool, in particular to a centering mechanism of a clamping device of a cutting machine tool. Background technique [0002] At present, there are mainly two types of centering clamping devices for existing double oil cylinders. 1. Relying on the hydraulic system to supply oil to the two cylinders to ensure the synchronization of the two cylinders. Due to the difference in the internal leakage of the cylinders, the alignment accuracy cannot be guaranteed, and the hydraulic system is complicated; 2. One side is forced to position, and the other side Floating clamping is adopted, which requires high accuracy of the positioning edge of the workpiece, which limits the application of this method in cutting clamping. Contents of the invention [0003] In order to overcome the problem of low centering accuracy of the original clamping device, the object of the present invention is t...
Claims
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IPC IPC(8): B23Q3/00
Inventor 姜晓勇金尔巽童万恒李静镜
Owner 浙江浙大网新环境工程有限公司