Inner expansion clamping mechanism
A clamping mechanism and internal expansion technology, applied in the direction of the chuck, etc., can solve the problems of inaccurate clamping and positioning, spring chuck damage, batch scrapping of workpieces, etc., so as to reduce the damage of machine tool parts and reduce the attached iron filings , The effect of short supporting axial extension distance
Inactive Publication Date: 2011-04-13
浙江陀曼智能科技股份有限公司
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Problems solved by technology
[0002] In the existing industrial production, the clamping mechanism for clamping workpieces with spring chucks is widely used. Spring chucks are generally divided into external expansion and internal expansion. These two clamping mechanisms are widely used on automatic lathes. It is used to quickly clamp the workpiece and improve production efficiency, but in the process of clamping the workpiece internally, if there are iron filings on the outer surface of the spring chuck, support, etc., or the workpiece has burrs, etc., the clamping and positioning of the workpiece will be inaccurate , will cause batch scrapping of workpieces, damage to parts such as spring chucks, etc., which will increase costs
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[0011] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0012] As shown in Figure 1, the present invention comprises collet 1, and support 11 is fixedly connected on the chuck seat 10, and spring collet 1 passes through the inner cavity of support 11 and is threaded on the collet seat 10, and chuck seat 9 is fixed Connected to the collet seat 10, the nut 4 is fixedly connected in the hollow cavity of the collet seat 10, the tension screw 3 is set in the hollow cavity of the nut 4, and the tension screw 2 passes through the cavity of the spring collet 1 Threaded on the tension screw 3, the other end of the chuck seat 9 is provided with an air inlet sleeve 8, and the top pull shaft 7 passes through the hollow inner cavity of the air inlet sleeve 8 and the chuck seat 9 and is threaded on the nut 4; The chuck seat 9, the chuck seat 10, and the support 11 are all provided with interconnected long slots ...
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The invention relates to the field of mechanical processing equipment, in particular to an inner expansion clamping mechanism of a clamping workpiece. During the clamping process of the inner expansion, if the spare parts or workpieces have scrap iron, burr, and the like, the clamping location of the workpiece is not accurate and batch scrap is caused. The invention discloses the inner expansion clamping mechanism which comprises a spring collet, and the like, wherein a chuck seat and a bearing are fixedly connected to a collet seat, the spring collet passes through an inner cavity of the bearing and is connected to the collet seat by threads, a screw nut is fixedly connected into the inner cavity of the collet seat, a taut bolt is sleeved in the inner cavity of the screw nut, a taut screw thread is connected to the taut bolt, the other end of the chuck seat is provided with an air inlet sleeve, and a top pull shaft passes through the air inlet sleeve and is connected to the screw nut together with the inner cavity screw thread of the chuck seat; and the chuck seat, the collet seat and the bearing are all provided with elongated slots mutually communicated, and the elongated slots are used for introducing compressed air. By using the invention, the clamping accuracy is improved, and when the clamping is in disorder, detection prompt alarm can be carried out automatically, and the production cost is lowered.
Description
technical field [0001] The invention relates to the field of mechanical processing equipment, in particular to an internal expansion clamping mechanism for clamping workpieces. Background technique [0002] In the existing industrial production, the clamping mechanism for clamping workpieces with spring chucks is widely used. Spring chucks are generally divided into external expansion and internal expansion. These two clamping mechanisms are widely used on automatic lathes. It is used to quickly clamp the workpiece and improve production efficiency, but in the process of clamping the workpiece internally, if there are iron filings on the outer surface of the spring chuck, support, etc., or the workpiece has burrs, etc., the clamping and positioning of the workpiece will be inaccurate , It will cause batch scrapping of workpieces, damage to parts such as spring chucks, etc., which will increase costs. Contents of the invention [0003] The purpose of the present invention ...
Claims
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Inventor 俞朝杰刘罡
Owner 浙江陀曼智能科技股份有限公司