CN208342380U

CN208342380U - Tool wear on-line measuring device

Info

Publication number: CN208342380U
Application number: CN201820996084.2U
Authority: CN
Inventors: 吴雪峰; 牟澳磊; 尹海亮; 刘亚辉
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2018-06-27
Filing date: 2018-06-27
Publication date: 2019-01-08
Anticipated expiration: 2028-06-27

Abstract

This application provides a kind of tool wear on-line measuring devices, including pedestal, turntable, the first detection zone, the second detection zone, array light source, two-sided effect lid based on molding cooperation.Tool wear on-Line Monitor Device provided by the present application, in the case where not needing disassembly cutter in Milling Processes, abrasion or the distress condition figure of cutter are directly shot using the first detection zone and the second detection zone, realize the effect of on-line real time monitoring tool wear, and the detection zone of the detection device larger is tried out in cutter of different shapes.

Description

Tool wear on-line measuring device

Technical field

The utility model belongs to mechanical automation testing equipment field, and in particular to fills to a kind of tool wear on-line checking It sets.

Background technique

Since numerically-controlled machine tool is universal, the detection of cutter real-time status becomes an important research of numerical control processing industry Project, although many mechanicians study the detection of the cutting-tool wear state in milling or turning process by various methods, Due to various reasons, most of detection method is not suitable for current increasingly mature numerical control processing industry, tool wear monitoring It also needs to develop to more intelligent, unitized direction.

Currently, tool wear is mainly detected in terms of directly or indirectly two.Wherein, indirect method is to pass through sensing Machine tool wear signal in NC Machining Process is input in computer system by device, or the surface by measuring workpiece The case where roughness and scale error etc. are inferred to tool wear indirectly；And direct method is exactly that pass through various effective ways straight It connects and information collection, such as contact wear detecting method, abrasion image-pickup method etc. is carried out to cutter itself.

It is compared to direct method, information obtained by indirect method is not necessarily accurate, and there are certain contingency；And direct method compared to There are imeliness problems for indirect method, and there are certain problems during reaching real-time detection.

Therefore, a great problem how to solve the above problems as current numerical control processing industry.

Summary of the invention

In view of this, the purpose of the utility model is to provide a kind of tool wear on-line measuring device, it is above-mentioned for solving The problem of the direct Detection Method timeliness deficiency of tool wear monitoring, in order to achieve the object, technology provided by the utility model Scheme is as follows:

A kind of tool wear on-line measuring device, including pedestal, two cameras, two detection zones, secondary light source, lids Body；Wherein:

Pedestal, top are equipped with turntable；

Two cameras are separately positioned in two detection zones, with relative to cutter, vertically and horizontally both direction detects knife Has state of wear；

Light source is welded in two detection zone intersections；

Lid is connected by two hinges with the first detection zone.

In one example, the pedestal is designed as can be very good to be fixed on numerically-controlled machine tool based on the pedestal of molding cooperation On operating platform.

In one example, the camera is ccd industrial camera, is equipped with led annular tunable light source around camera.

In one example, the secondary light source is set as array secondary light source, is welded in the intersection of two detection zones.

In one example, the lid is two-sided effect lid, and inside is equipped with mirror surface and helps burnt group, and outside is equipped with anti-dandruff group of high pressure Row.

In conclusion a kind of tool wear on-line measuring device provided by the utility model, structure is relatively simple, cost It is lower, it is easy installation, cutting-tool wear state and image procossing etc. are detected based on machine vision, for the straight of tool wear monitoring In the problem for connecing detection method timeliness deficiency, it can be detected in processing bout gap, reach real-time prison without disassembly Survey the purpose of cutting-tool wear state.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model

Fig. 2 is first working state schematic representation of the utility model

Fig. 3 is second working state schematic representation of the utility model

Fig. 4 is the off working state schematic diagram of the utility model

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

It should be strongly noted that structure, ratio, color etc. that the utility model institute attached drawing is drawn, are only used for cooperating Content illustrated by specification, so that others skilled in the art understand and read, the not necessarily determination of actual device Condition, modification, adjustment in any structure should all fall in this reality in the case where not influencing function that the utility model is realized In the range of novel revealed technology contents covering.

Fig. 1 is a kind of tool wear on-line measuring device schematic diagram of the utility model.

As shown in Figure 1, the tool wear on-line measuring device includes pedestal, two cameras, two detection zones, fill-in lights Source, lid；

In this example, turntable 2 is installed, whole device can adjust 3 He of lid by turntable rotation above pedestal 1 The position of second detection zone 10；

In this example, two cameras 8 are separately positioned in the first detection zone 7 and the second detection zone 10, relative to knife Vertically and horizontally both direction detects cutting-tool wear state to tool, and two cameras use ccd industrial camera, set around camera There is led annular tunable light source, guarantees the quality of image by adjusting light source；

In this example, secondary light source 9 is set as array secondary light source and is welded in two detection zone intersections；

In this example, lid 3 is set as two-sided effect lid, and inside is equipped with mirror surface and helps burnt group 4, and outside is equipped with anti-dandruff group of high pressure Row 5；Lid is connected by two hinges 6 with the first detection zone 7.

As tool wear on-line measuring device is fixed on numerical control by the pedestal based on molding cooperation by Fig. 2, Fig. 3 and Fig. 4 On the processing platform of lathe.

Fig. 2 is first working state schematic representation of the utility model.

As shown in Fig. 2, process tool runs numerically-controlled machine tool program after often covering a process in numerical-controlled machine tool machining process Cutter abrasion detection device of the clamping on processing platform is moved to below process tool, at this time the two-sided effect lid of device In closed state, cutter is located at the top of device and is directed at anti-dandruff group of row of high pressure, cleans the remaining chips of cutter, prevents Influence the collection of tool wear image.

Fig. 3 is second working state schematic representation of the utility model.

As shown in figure 3, process tool, after anti-dandruff cleaning process, two-sided effect lid around hinge is rotated to shown in Fig. 3 Position, control process tool prolong machine coordinates axis z-axis and are moved downward to the first detection zone and the second detection zone juncture area, open Array secondary light source, the position for adjusting lid make mirror surface help burnt group alignment process tool side edge, reach optimal observation effect.

The point of a knife of process tool and the eroded area of side edge are carried out by ccd industrial camera and led annular tunable light source Image Acquisition, and collected abrasion image is uploaded into cloud to carry out subsequent image processing, state of wear detection and mill Damage life prediction.

Fig. 4 is the off working state schematic diagram of the utility model.

As shown in figure 4, tool wear on-line measuring device is moved into the position Fig. 4 after the completion of tool wear image collection, and Two-sided effect lid around hinge is rotated to position shown in Fig. 4.

It rotates turntable and device is gone into position of the lid towards workpieces processing, prevent the calving clast generated in process It flies into inside device, is effectively protected two detection zones, camera, secondary light source and mirror surface and helps burnt group.

In conclusion process tool state of wear in numerical-controlled machine tool machining process can by wear image collection, Handle and compare and etc. detect, the tool wear on-line measuring device that the utility model is proposed can apply to reasonably The collection phase for wearing image helps the burnt position organized and led light by adjusting mirror surface under conditions of not having to disassembly process tool The intensity in source clearly collects the grinding away over time image of process tool, is then input in cloud and carries out abrasion detection, in time Ground will test result feedback into numerically-controlled machine tool system, can be effectively avoided because the abrasion of cutter is to the surface quality of workpiece Caused by influence.

Claims

1. a kind of tool wear on-line measuring device, which is characterized in that including pedestal, two cameras, two detection zones, auxiliary Light source, lid；Wherein:

The pedestal, top are equipped with turntable；

Two camera is separately positioned in two detection zones, with relative to cutter, vertically and horizontally both direction detects knife Has state of wear；

The light source is welded in two detection zone intersections；

The lid is connected by two hinges with the first detection zone.

2. tool wear on-line measuring device according to claim 1, which is characterized in that the pedestal be designed as based at The pedestal of type cooperation, can be very good to be fixed on numerical tool operation platform.

3. tool wear on-line measuring device according to claim 1, which is characterized in that the camera is ccd industry Camera is equipped with led annular tunable light source around camera.

4. tool wear on-line measuring device according to claim 1, which is characterized in that the secondary light source is set as array Secondary light source, the intersection of weldering and two detection zones.

5. tool wear on-line measuring device according to claim 1, which is characterized in that the lid is two-sided effect Lid, inside are equipped with mirror surface and help burnt group, and outside is equipped with anti-dandruff group of row of high pressure.