Multi-point precision thread adjusting clamping mechanism

Abstract

The invention discloses a multi-point precision thread adjusting clamping mechanism. According to the technical scheme, to-be-detected parts are glued on a displacement actuator, and the displacementactuator is fixed on a bottom plate, and the bottom plate is fixed on an optical platform; and a base plate is connected with stand columns through screws and is fixed on the optical platform throughthe stand columns. The mechanism is characterized in that a multi-point mounting nut hole plate is arranged, and the multi-point mounting nut hole plate and the base plate are connected together through cementation, and a detection sensor is inserted into a hollow core adjusting screw rod, the hollow core adjusting screw rod is screwed into a nut hole of the multi-point mounting nut hole plate; agroove line is machined around each nut hole to form a C-shaped opening form, and a clamping screw is installed on the side surface; and a cross long groove is radially formed in the threaded part ofthe hollow core adjusting screw rod, the clamping screw is tightened to enable the nut hole to deform and hold the hollow core adjusting screw rod, and the clamping screw is further tightened to enable the hollow core adjusting screw rod to hold the detection sensor so as to enable the three to be combined into a whole. The mechanism can be applied to aspects such as a multi-point detection probeand a multi-point active support. A new solution is provided for where a multi-point up-down adjustment part needs to be installed on the face and must be reliably locked.

Description

technical field [0001] The invention relates to a multi-point precision thread adjustment and clamping mechanism, which is composed of thread fittings and the like. After the screw rod is adjusted up and down, it can be locked at the adjusted position, and the axial drift is small. Its outstanding feature is that the multi-point nut holes are processed on one part, and each nut hole is designed with a C-shaped opening, which has a clamping function. When the nut hole is clamped, no axial force is generated on the screw rod, so the screw rod is not easy to generate axial displacement. This solution can be applied to the installation of multi-point detection probes and multi-point active supports. Background technique [0002] The multi-point precision thread adjustment mechanism is usually designed as figure 1 As shown, the hollow adjusting screw 6 is adjusted up and down so that the distance between the detection surface (lower end surface) of the detection sensor 7 and th...

AI Technical Summary

Problems solved by technology

For such occasions that require precise adjustment, the disadvantage of this mechanism is that due to the existence of thread fit clearance, under the action of the locking force of the outer hexagon nut 5, the adjustment screw 6 will move up a small amount; similarly, if the outer hexagon nut 5 is installed On the lower side of the fixed plate 3, the adjusting screw 6 will move down a small amount

This small amount is the axial clearance of the thread fit. In order to reduce the axial clearance of the thread fit, there is a way to improve the precision of the thread fit, which will inevitably increase the processing cost; moreover, this lock nut method is When tightening the outer hexagon nut 5, one hand should hold the hollow adjusting screw 6 to prevent it from rotating, which is very inconvenient to operate

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