Contactless travel switch machine tool spindle directional parking device and parking method thereof
A technology of limit switch and machine tool spindle, which is applied in the direction of driving device, metal processing machinery parts, maintenance and safety accessories, etc. It can solve the problems of large error, poor reliability, unified starting position and stopping position of the spindle, etc., and achieves The effect of short working cycle, short working cycle time and high braking frequency
Inactive Publication Date: 2014-10-22
NINGBO DAHONGYING UNIV
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Problems solved by technology
[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide a non-contact travel switch machine tool spindle directional parking device and its parking method in the field, so that it can solve the problem of poor reliability and error when the existing similar devices brake the spindle. It is relatively large, and it is difficult to unify the starting and stopping positions of the spindle.
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[0016] The present invention will now be further described with reference to the drawings.
[0017] Such as Figure 1~3 As shown, the non-contact travel switch machine tool spindle directional parking device is installed on one side of the headstock 1, and one end of the spindle 2 extending out of the side of the headstock is fixedly connected to the disc 3, and the disc and the spindle rotate synchronously. The side of the spindle box is connected to the sector plate 5 by bolts 7. The sector plate is parallel to the disk, the inner side of the sector plate is opposite to the outer side of the disk, and the respective centers of the sector plate and the disk are located on the axis of the spindle. The disc surface is provided with two sets of screw holes 301 arranged circumferentially and connected to the armature piece 4. The two sets of screw holes have different circumferential radii. One set of screw holes is connected to the armature screw A401, and the other set of screw ho...
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The invention relates to a contactless travel switch machine tool spindle directional parking device and a parking method of the contactless travel switch machine tool spindle directional parking device. The contactless travel switch machine tool spindle directional parking device comprises a parking trigger assembly and a control circuit. The parking trigger assembly comprises a disc synchronously connected with a machine tool spindle and a sector board fixed to one side of a machine tool spindle box. The face of the disc is provided with two armature pieces which are not located on the same circle. The board face of the sector board is provided with two contactless travel switches sensing the armature pieces when the disc rotates. The parking method includes the steps that when forward rotation of a spindle motor is stopped, one contactless travel switch triggers the corresponding armature piece, and the control circuit controls the spindle motor to rotate reversely at a low speed; in the reverse rotation process of the spindle motor, the other contactless travel switch triggers the corresponding armature piece, the control circuit controls the spindle motor to conduct dynamic braking operation, and the braking function is achieved. The device is simple in structure and control mode, the problem that directional parking of an existing machine tool spindle is inconvenient is effectively solved, and the device is suitable for various machine tool spindles.
Description
Technical field [0001] The invention relates to a machine tool, in particular to a non-contact travel switch machine tool spindle directional parking device and a parking method thereof. Background technique [0002] The machine tool spindle is an axis used to drive the workpiece or tool to rotate on the machine tool. When using a machine tool, it is usually necessary for the machine tool spindle to be able to quickly stop after the machining process is completed. Especially in mass production, it is also required that the starting and stopping positions are as uniform as possible. However, the existing machine tool spindles often rely on hydraulic, pneumatic or braking technologies when they are stopped. Although these technologies can achieve rapid spindle stop, they do not strictly consider the inertial rotation of the spindle during braking. It is difficult to unify the tool position and the tool stop position. To this end, for example, the authorization announcement number...
Claims
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IPC IPC(8): B23Q11/00
CPCB23Q5/20
Inventor 刘春林
Owner NINGBO DAHONGYING UNIV