CN111176212B

CN111176212B - Two-dimensional displacement tracking mechanism

Info

Publication number: CN111176212B
Application number: CN201911355931.2A
Authority: CN
Inventors: 杜熊; 谢文武
Original assignee: Wuhan Heatking Machine Electrical Equipment Co ltd
Current assignee: Wuhan Heatking Machine Electrical Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2021-06-01
Anticipated expiration: 2039-12-25
Also published as: CN111176212A

Abstract

The invention discloses a two-dimensional displacement tracking mechanism, and relates to the technical field of heat treatment mechanical equipment. The mounting plate comprises a mounting plate, first fixed plate and second fixed plate are fixed respectively to the mounting panel both sides, be equipped with displacement measurement subassembly, duplex cylinder on first fixed plate and the second fixed plate respectively, first fixed plate and second fixed plate and mounting panel vertical fixation, two displacement measurement subassembly is 90 contained angles and arranges, and is connected with duplex cylinder drive. The invention can realize high-precision measurement of the deformation of the long shaft, can meet the severe working conditions, and has the advantages of lower cost compared with a comparable optical sensor and the like.

Description

Two-dimensional displacement tracking mechanism

Technical Field

The invention belongs to the technical field of heat treatment mechanical equipment, and particularly relates to a two-dimensional displacement tracking mechanism.

Background

In the demand of a numerical control quenching machine tool, when the machine tool is quenched, a long-axis workpiece needs to be heated and cooled, at the moment, the workpiece is bent and deformed due to the fact that the workpiece is heated, and the workpiece can be heated unevenly if the inductor scans and quenches according to the original track, so that a mechanism capable of detecting the bending direction and the deformation of the workpiece is needed to feed back the bending direction and the deformation of the workpiece to a numerical control system, the horizontal two-dimensional direction of the inductor is adjusted by servo axes in the XY two directions, the circle center of the inductor is guaranteed to be concentric with the workpiece all the time, and the uniformity of a quenched layer of the workpiece.

In addition, because the working condition of use is relatively severe, the interior of the machine tool has more oil smoke and hot water vapor, the problems of interference and the like on a general laser sensor are solved, and limited conditions such as damage and the like cannot be caused on the sensor in advance when the machine tool is used for loading and unloading, the prior art is a simple laser sensor, and the mechanism needs to be withdrawn from a loading position when the machine tool is used; in addition, the range of deformation is generally smaller, and high-precision measurement and monitoring cannot be guaranteed.

Disclosure of Invention

The present invention is directed to solve the above-mentioned drawbacks of the background art, and provides a two-dimensional displacement tracking mechanism.

The technical scheme adopted by the invention is as follows: the utility model provides a two-dimentional displacement tracking mechanism, includes the mounting panel, first fixed plate and second fixed plate are fixed respectively to the mounting panel both sides, be equipped with displacement measurement subassembly, duplex cylinder on first fixed plate and the second fixed plate respectively, first fixed plate and second fixed plate and mounting panel vertical fixation, two displacement measurement subassembly is 90 contained angles and arranges, and is connected with duplex cylinder drive.

In a further preferred structure, the displacement measuring assembly comprises a floating guide rod, a floating guide sleeve, a directional rod, a protective sleeve, a tail end cover, a detecting head, a spring and a displacement sensor; the detecting head is axially connected with the floating guide rod through a nut, the protecting sleeve is axially connected with the floating guide sleeve, the floating guide rod is located in the floating guide sleeve, the displacement sensor is located in the protecting sleeve, the rear end of the floating guide rod is limited by the orienting rod and the floating guide sleeve, the tail end of the floating guide rod is in contact connection with the displacement sensor through a spring, and the tail end of the protecting sleeve is provided with a tail end cover for sealing.

In a further preferred structure, the two displacement measurement assemblies are connected with the first fixing plate and the second fixing plate through clamping blocks, the clamping blocks are fixed on the first fixing plate and the second fixing plate, and the two displacement measurement assemblies penetrate through mounting holes in the clamping blocks.

In a further preferred structure, the clamping block comprises an upper part and a lower part, and the upper part and the lower part enclose a mounting hole for the displacement measurement assembly to pass through.

In a further preferred structure, switch brackets are fixedly connected to two sides of the mounting plate.

The invention can measure the workpiece when the workpiece of metal long shaft class is scanned and quenched, then feed back the measured deformation, and cooperate with the servo system of numerical control XY axle two directions, the inductor that adjusts the heat treatment changes synchronously along with the deformation curve track of the workpiece, let the centre of a circle of the inductor concentric function with centre of a circle of the workpiece, in this way, can prevent after the workpiece is out of shape, the inductor can also be heated a kind of intelligent numerical control monitoring system of the inhomogenous workpiece. The field can be applied to various industries needing monitoring functions, such as heat treatment equipment, mechanical processing equipment, automobiles and the like.

The invention can realize high-precision measurement of the deformation of the long shaft, can meet the severe working conditions, and has the advantages of lower cost compared with a comparable optical sensor and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is another angular side view of the present invention;

FIG. 4 is a schematic view of a displacement measuring assembly;

FIG. 5 is a cross-sectional view taken at A-A in FIG. 4;

FIG. 6 is an assembly view of the displacement measuring assembly.

The device comprises a 1-mounting plate, a 2-first fixing plate, a 3-second fixing plate, a 4-backing plate, a 5-clamping block, a 6-displacement measuring assembly (6-1-floating guide rod, 6-2-floating guide sleeve, 6-3-directional ring, 6-4-directional rod, 6-5-pressure washer, 6-6-protective sleeve, 6-7-tail end cover, 6-8-nut, 6-9-probe, 6-10-spring, 6-11-displacement sensor, 6-12-hexagonal cone end fastening screw, 6-13-shaft elastic retainer ring), a 7-switch bracket and an 8-duplex cylinder.

Detailed Description

The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.

As shown in fig. 1-3, the present invention includes a mounting plate 1, a first fixing plate 2 and a second fixing plate 3 are respectively fixed on two sides of the mounting plate 1, displacement measuring assemblies 6 and a duplex cylinder 8 are respectively arranged on the first fixing plate 2 and the second fixing plate 3, the first fixing plate 2 and the second fixing plate 3 are vertically fixed with the mounting plate 1, and the two displacement measuring assemblies 6 are arranged at an included angle of 90 ° and are in driving connection with the duplex cylinder 8. Two displacement measurement subassembly 6 passes through clamp splice 5 and is connected with first fixed plate 2 and second fixed plate 3, clamp splice 5 is fixed in on first fixed plate 2 and the second fixed plate 3, two displacement measurement subassembly 6 passes the mounting hole on the clamp splice 5. The clamping block comprises an upper part and a lower part, and the upper part and the lower part enclose a mounting hole for the displacement measuring assembly 6 to pass through. And switch brackets 7 are fixedly connected to two sides of the mounting plate 1.

As shown in fig. 4-6, the displacement measuring assembly 6 comprises a floating guide rod 6-1, a floating guide sleeve 6-2, an orientation rod 6-4, a protective sleeve 6-6, a tail end cover 6-7, a probe head 6-9, a spring 6-10 and a displacement sensor 6-11; the probe 6-9 is axially connected with a floating guide rod 6-1 through a nut 6-8, the protecting sleeve 6-6 is axially connected with a floating guide sleeve 6-2, the floating guide rod 6-1 is positioned in the floating guide sleeve 6-2, the displacement sensor 6-11 is positioned in the protecting sleeve 6-6, the rear end of the floating guide rod 6-1 is limited with the floating guide sleeve 6-2 through a directional rod 6-4, the tail end of the floating guide rod 6-1 is in contact connection with the displacement sensor 6-11 through a spring 6-10, and the tail end of the protecting sleeve 6-6 is provided with a tail end cover 6-7 for sealing. And a pressure gasket 6-5 is arranged between the displacement sensor 6-11 and the protective sleeve 6-6.

The invention adopts a contact type high-precision displacement sensor, is matched with a copper alloy protective sleeve with high protection level, is provided with a group of pneumatic linear motion mechanisms (duplex cylinders) in two directions respectively, drives the displacement sensors in the two directions to extend and retract, can retract when not detected, protects the safety of the detection system, and can retract and avoid when interference obstacles exist during processing. Two sets of straight line mechanisms are 90-degree included angles in two directions, and can manually adjust the axial distance of the displacement sensor and detect shaft workpieces with different diameters.

Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides a two-dimentional displacement tracking mechanism, includes the mounting panel, first fixed plate and second fixed plate are fixed respectively to the mounting panel both sides, its characterized in that: the first fixing plate and the second fixing plate are respectively provided with a displacement measuring assembly and a duplex cylinder, the first fixing plate and the second fixing plate are vertically fixed with the mounting plate, and the two displacement measuring assemblies are arranged at an included angle of 90 degrees and are in driving connection with the duplex cylinder;

the displacement measurement assembly comprises a floating guide rod, a floating guide sleeve, a directional rod, a protective sleeve, a tail end cover, a detection head, a spring and a displacement sensor; the detecting head is axially connected with the floating guide rod through a nut, the protecting sleeve is axially connected with the floating guide sleeve, the floating guide rod is located in the floating guide sleeve, the displacement sensor is located in the protecting sleeve, the rear end of the floating guide rod is limited by the orienting rod and the floating guide sleeve, the tail end of the floating guide rod is in contact connection with the displacement sensor through a spring, and the tail end of the protecting sleeve is provided with a tail end cover for sealing.

2. The two-dimensional displacement tracking mechanism of claim 1, wherein: the two displacement measurement assemblies are connected with the first fixing plate and the second fixing plate through clamping blocks, the clamping blocks are fixed on the first fixing plate and the second fixing plate, and the two displacement measurement assemblies penetrate through mounting holes in the clamping blocks.

3. The two-dimensional displacement tracking mechanism of claim 2, wherein: the clamping block comprises an upper part and a lower part, and the upper part and the lower part enclose a mounting hole for the displacement measurement assembly to pass through.

4. The two-dimensional displacement tracking mechanism of claim 1, wherein: and switch supports are fixedly connected to the two sides of the mounting plate.