Rapid clamping device capable of adjusting installation length of cylindrical workpiece again
A clamping device and a technology for adjusting cylinders, which are applied in positioning devices, metal processing machinery parts, clamping, etc., can solve the problems of inconvenient installation station adjustment, uneven force on spring clamps, and non-repeatable clamping, etc., to achieve The effect of overcoming the difficulty of clothing pinching
Pending Publication Date: 2021-12-31
BEIJING UNIV OF TECH
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Problems solved by technology
However, when double tops are used as the process benchmark, the workpiece cannot be clamped repeatedly during one-time processing; when the 3R fixture is used as the process benchmark with the cooperation of a single top, the 3R fixture is likely to cause a large installation of the workpiece due to the uneven force of the spring clamp. error, causing difficulties in clamping
In addition, because the tailstock is generally installed in a fixed way on the CNC machine tool, when the length of the workpiece is at the limit installation position, it is not convenient to adjust the installation position
Method used
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following implementation manners, and all technologies realized based on the contents of the present invention belong to the scope of the present invention.
[0020] Such as figure 1 Shown is a quick clamping device for readjusting the installation length of a cylindrical workpiece. The clamping device is divided into two parts, namely the quick clamping structure of the workpiece and the adjustable installation length of the cylindrical workpiece. The fast clamping structure of the workpiece mainly includes the collet frame 5 (pneumatic pallet 1, end face positioning screw 2, radial positioning and clamping screw 3, flat top tip 4, centering reference 6, ER spring clip 7, nut 8) , tailstock (Morse taper top 10, sl...
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The invention discloses a rapid clamping device capable of adjusting the installation length of a cylindrical workpiece again. According to the rapid clamping device, rapid installation of the cylindrical workpiece is achieved through a chuck frame and a tailstock; and the installation length of the cylindrical workpiece can be adjusted again through a tailstock base body, a positioning base and an auxiliary clamping device. In the clamping process, the workpiece is rapidly positioned and clamped through double tips and a 3R clamp, and the positioning and clamping devices can achieve clamping repeatability and are high in positioning precision; and when the length of the workpiece exceeds the preset clamping length, the clamping length of the workpiece can be adjusted again through rapid positioning of the positioning base and the tailstock base body. According to the rapid clamping device capable of adjusting the installation length of the cylindrical workpiece again, the workpiece clamping efficiency is improved, high-precision repeated installation of the workpiece is achieved, and the installation length can be adjusted again.
Description
technical field [0001] The invention relates to the field of tooling for milling cylindrical workpieces of numerical control machine tools, in particular to a quick clamping device for readjusting the installation length of cylindrical workpieces. Background technique [0002] In the process of processing cylindrical workpieces, double tops or 3R fixtures are often used as a process benchmark with a single top. However, when double tops are used as the process benchmark, the workpiece cannot be clamped repeatedly during one-time processing; when the 3R fixture is used as the process benchmark with the cooperation of a single top, the 3R fixture is likely to cause a large installation of the workpiece due to the uneven force of the spring clamp. Errors cause difficulties in clamping. In addition, since the tailstock is generally installed in a fixed way on the CNC machine tool, it is not convenient to adjust the installation position when the length of the workpiece is at th...
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IPC IPC(8): B23B23/00B23Q3/06
CPCB23B23/00B23Q3/06
Inventor 石照耀冯志鹏
Owner BEIJING UNIV OF TECH