Anti-loose clamping chuck structure
A loose clamping and collet technology, which is applied in the direction of clamping, manufacturing tools, metal processing machinery parts, etc., can solve the problems of collet damage and collapse, and achieve the effect of not easy loosening and high clamping force
Active Publication Date: 2021-09-17
OUNI WORLD IND CO LTD
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Problems solved by technology
[0004] However, although the above-mentioned patent can rotate the rotating cover in the direction of locking (LOCK) to control the brake block to block the gear ring of the central shaft and prevent loosening, it is found in practice that the operator often replaces the tool. During the process, if you forget to rotate the rotating cover in the direction of UNLOCK until it is unlocked first, then use a tool to dismantle the rear sleeve, and the rear sleeve is forcibly rotated, resulting in the collapse of the brake block and the gear ring in the stuck state. bad, causing the entire chuck to be damaged
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[0032] In order to illustrate the central idea of the present invention in the column of the above-mentioned content of the invention, it is now expressed in specific embodiments. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for illustration, rather than drawn according to the proportions of actual components, which are described first.
[0033] see Figure 1 to Figure 11 As shown, the present invention provides a chuck structure 100 for anti-loosening clamping, which includes a connecting shaft 10, a clamp 20, a damping member 30, a plurality of rollers 40, a pivot sleeve 50 and a one-way mechanism 60, of which:
[0034]The connecting shaft 10 has an end portion 11 and a first disc portion 12 adjacent to the end portion 11 , and the first disc portion 12 is arranged around the connecting shaft 10 in a radial direction. In this embodiment, the connecting shaft 10 is connected to a handle 13 at an end d...
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The invention provides an anti-loose clamping chuck structure, which includes a connecting shaft, a clamp, a damping element, a plurality of rollers, a pivot sleeve and a one-way mechanism. The pivoting sleeve is arranged on the outside of the connecting shaft and is connected to the clamp to be rotatable. When the pivoting sleeve rotates to make the clamp clamp the tool, the disk part is pre-pressed at the abutment to form a frictional resistance, and then tightened to make the two The disc part is tightened twice due to compression deformation at the gap and increases the frictional resistance. The one-way mechanism is connected between the pivot sleeve and the damping member in a one-way driving manner. Only when the pivot sleeve rotates in the direction of unscrewing, the one-way mechanism drives the damper to rotate, so as to successively release the secondary pressing and damping parts. Pre-tightening force until the friction resistance is released, so as to achieve the effect of easy driving and high clamping force when clamping the tool.
Description
technical field [0001] The invention relates to a collet used for a processing machine tool, in particular to an anti-loosening clamping collet structure. Background technique [0002] The collet of the tool bar of the existing machine tool is rotated by the rear sleeve to drive the jaws to generate a clamping torque for the tool. After the rear sleeve presses the ball on the connecting seat, the connecting seat and the body It is generated by contacting two opposite faces, and the torque reaches the maximum at the moment of compression. However, although pressing with face contact can produce a tight effect, the vibration of the machine tool operation or the reverse moment of inertia generated at the moment of stop after the rapid rotation of the tool bar may cause the connection seat or the body to loosen, resulting in resistance. Then the pressing failure will cause the tool to loosen on the jaw, so further improvement is needed. [0003] Such as China Taiwan Patent Ann...
Claims
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IPC IPC(8): B23Q3/00
CPCB23Q3/00
Inventor 林原禾林昆贤林昆葆
Owner OUNI WORLD IND CO LTD