Self-locking tool
A self-locking and cutting tool technology, applied in the direction of cutting tools for lathes, cutting tools for shearing machines, positioning devices, etc., can solve the problems of insufficient flexibility and firmness of tool fixing and locking, complex and inaccurate movement and positioning, etc.
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[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0012] refer to figure 1 , The self-locking tool of the present invention includes a tool body 1, the peripheral surface of one end of the tool body 1 is a conical surface 2, and a spherical groove is provided on the peripheral surface of the tool body 1. It also includes a knife handle 3, which is provided with an axial center hole, and the outer circumference of the knife handle is provided with a radial hole 3a penetrating through the center hole, and the radial hole is small at both ends and large in the middle. The step hole is slidably matched with a positioning pin 4 and a spring 5 in the radial hole. The spring 5 is sleeved on the positioning pin 4. The inner ring of the spring 5 is fixedly connected with the circumferential surface of the positioning pin 4. The two parts of the spring 5 pass through the steps respectively. T...
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