阅读说明：本技术 孔深测量机构及孔深测量装置 (Hole depth measuring mechanism and hole depth measurement device ) 是由 陶冶 吴年汉 陈领 赵武 邬豪 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种孔深测量机构及孔深测量装置,涉及孔深测量技术领域。该孔深测量机构包括基座、激光探测组件、位移测量组件以及驱动执行组件。驱动执行组件固定设置于基座且包括运动件,运动件与激光探测组件连接且带动激光探测组件沿第一方向滑动,位移测量组件包括滑动配合的定尺和动尺,定尺与基座固定连接,动尺与激光探测组件固定连接。激光探测组件包括激光发生组件和控制器,控制器与激光发生组件电连接。该孔深测量机构设计合理,操作方便,能够针对通孔和盲孔进行孔深的测量,误差小,精度高,且测量快速,适用于自动化生产线中使用,使用范围广。(The invention discloses a kind of hole depth measuring mechanism and hole depth measurement devices, are related to hole depth field of measuring technique.The hole depth measuring mechanism includes pedestal, laser acquisition component, displacement measurement component and driving executive module.Driving executive module is fixedly installed on pedestal and including movement parts, movement parts connect with laser acquisition component and laser acquisition component are driven to slide along first direction, displacement measurement component includes the scale being slidably matched and dynamic ruler, and scale is fixedly connected with pedestal, and dynamic ruler is fixedly connected with laser acquisition component.Laser acquisition component includes laser generating assembly and controller, and controller is electrically connected with laser generating assembly.The hole depth measuring mechanism reasonable design, easy operation can carry out the measurement of hole depth for through-hole and blind hole, and error is small, and precision is high, and measures quickly, uses suitable for automatic production line, use scope is wide.)

1. a kind of hole depth measuring mechanism, which is characterized in that including pedestal, laser acquisition component, displacement measurement component and driving Executive module；

The driving executive module is fixedly installed on the pedestal and including movement parts, the movement parts and the laser acquisition group Part connects and the laser acquisition component is driven to slide along first direction, and institute's displacement measurement component includes the scale being slidably matched With dynamic ruler, the scale is fixedly connected with the pedestal, and the dynamic ruler is fixedly connected with the laser acquisition component；

The laser acquisition component includes laser generating assembly and controller, and the controller is electrically connected with the laser generating assembly It connects.

2. hole depth measuring mechanism according to claim 1, which is characterized in that the laser acquisition component further includes frame body, The laser generating assembly includes laser generator, the first reflecting component, measuring probe, the second reflecting component and optical receiver；

The laser generator, first reflecting component and the measuring probe are fixedly installed on the frame body, and described Two reflecting components are fixedly installed in the through-hole of the measuring probe, and the optical receiver is set to the frame body and is located at described the The side away from second reflecting component of one reflecting component；

The laser generator can emit laser, and the laser injects the logical of the measuring probe by first reflecting component Hole is reflected into the optical receiver by second reflecting component, and the optical receiver is electrically connected with the controller.

3. hole depth measuring mechanism according to claim 2, which is characterized in that the frame body include the pedestal that is fixedly connected and Fixed body, the pedestal offer fixation hole；

The laser generator and first reflecting component are fixedly installed on the first side of the pedestal, and the measuring probe is worn In the fixation hole and positioned at second side of the pedestal, the optical receiver is fixedly installed on the fixed body close to the bottom The side of seat, the controller are fixedly installed on the side that the fixed body deviates from the pedestal, the side wall of the measuring probe Port is offered, second reflecting component is corresponding with the port.

4. hole depth measuring mechanism according to claim 3, which is characterized in that first reflecting component is reflective with first Face, shape angle at 45 ° between the central axis of the laser generator and first reflective surface；

It is provided with light-blocking partition in the through-hole of the measuring probe, through-hole is divided into the first unthreaded hole and the second unthreaded hole, described One reflective surface can reflection laser make it into first unthreaded hole.

5. hole depth measuring mechanism according to claim 4, which is characterized in that second reflecting component has reflective surface, institute Shape angle at 45 ° between the central axis of measuring probe and the reflective surface is stated, the light-blocking partition is reflective far from described first One end of part is bonded with second reflecting component, and the reflective surface is divided into the second reflective surface and laser light incident reflective surface；

After the laser passes through first unthreaded hole, it can reflect by second reflective surface and be projected from the port, warp Enter the laser light incident reflective surface after hole wall reflection, then enters the optical receiver by second unthreaded hole.

6. according to hole depth measuring mechanism described in claim 2-4 any one, which is characterized in that the optical receiver includes base Body, CCD charge coupled cell and focusing lens, described matrix, which is set to the fixed body and has, is embedded chamber, described to be embedded The central axial direction of chamber is consistent with the through-hole direction of the measuring probe；

The CCD charge coupled cell be embedded at it is described be embedded intracavitary, the focusing lens, which are fixedly installed on, described is embedded chamber Open end, the controller are provided with optical signal prosessing module, the optical signal prosessing module and the CCD charge coupled cell Electrical connection.

7. hole depth measuring mechanism according to claim 1, which is characterized in that the scale is capacitive grating scale, the dynamic ruler Ruler is moved for capacitive grating；

Institute's displacement measurement component further includes fixed frame and single-chip microcontroller, and the capacitive grating is moved ruler and slidably set by the fixed frame It is placed in the capacitive grating scale, the single-chip microcontroller is fixedly installed on the pedestal, and moves ruler with the capacitive grating and be electrically connected, the capacitive grating Dynamic ruler is slided with the laser acquisition component along first direction.

8. hole depth measuring mechanism according to claim 1, which is characterized in that the driving executive module further includes actuator And shaft coupling, the movement parts are ball screw assembly, the actuator is fixedly connected with the pedestal；

The ball screw assembly, includes lead screw and nut, and the lead screw is solid by the output shaft of the shaft coupling and the actuator Fixed connection, the nut are fixedly connected with the laser acquisition component, and the extending direction of the lead screw is the first direction.

9. hole depth measuring mechanism according to claim 1, which is characterized in that the pedestal include top cover, gauge head shell with And sliding inner casing, the sliding inner casing are slidably arranged in the gauge head shell by the driving executive module；

The sliding inner casing includes first connecting portion and second connecting portion, and the first connecting portion is fixedly connected with the dynamic ruler, The second connecting portion is fixedly connected with the movement parts, and institute's displacement measurement component and the driving executive module are set to institute It states in gauge head shell, and the scale is fixedly connected with the top cover.

10. a kind of hole depth measurement device, which is characterized in that including manipulator and hole depth described in any one of claim 1-9 Measuring mechanism, pedestal described in the manipulator clamping, makes the measuring probe in the laser acquisition component and the axis direction in hole Unanimously.

Technical field

The present invention relates to hole depth field of measuring technique, in particular to a kind of hole depth measuring mechanism and hole depth measurement dress It sets.

Background technique

Hole depth parameter measurement is to manufacture one of highly important link, the On-line testing of hole depth parameter in process It is a premise of the automatic process and assemble of pored component.

Such as: the automatic Drilling/Riveting assembly that material part is answered in aviation just needs the on-line automatic measuring technique of via depth as branch Support.However, automatic measurement of the brill riveting of the present part due to that can not carry out hole depth, needs manual measurement at present and chooses properly The rivet of length is riveted, and the main instrument of hand dipping through-hole has vernier caliper, depthometer etc., and precision is low, error Greatly, measurement efficiency is low and is not suitable for automatic production line.

Therefore, the self-operated measuring unit of effectively measurement hole depth is a technology difficulty urgently to be solved in current processing and manufacturing Topic.

Summary of the invention

The purpose of the present invention is to provide a kind of hole depth measuring mechanism, can fast and accurately device to hole depth dimensions into Row measurement, is suitable for using in automatic production line.

The object of the invention is also to provide a kind of hole depth measurement devices, have the advantages that hole depth measuring mechanism.

The embodiment of the present invention is achieved in that

Based on above-mentioned purpose, the embodiment provides a kind of hole depth measuring mechanisms, including pedestal, laser acquisition group Part, displacement measurement component and driving executive module；

The driving executive module is fixedly installed on the pedestal and visits including movement parts, the movement parts and the laser It surveys component connection and the laser acquisition component is driven to slide along first direction, institute's displacement measurement component includes being slidably matched Scale and dynamic ruler, the scale are fixedly connected with the pedestal, and the dynamic ruler is fixedly connected with the laser acquisition component；

The laser acquisition component includes laser generating assembly and controller, the controller and the laser generating assembly Electrical connection.

In addition, what embodiment according to the present invention provided, it can also have the following additional technical features:

In alternative embodiment of the invention, the laser acquisition component further includes frame body, the laser generating assembly packet Include laser generator, the first reflecting component, measuring probe, the second reflecting component and optical receiver；

The laser generator, first reflecting component and the measuring probe are fixedly installed on the frame body, institute It states the second reflecting component to be fixedly installed in the through-hole of the measuring probe, the optical receiver is set to the frame body and is located at institute State the side away from second reflecting component of the first reflecting component；

The laser generator can emit laser, and the laser injects the measuring probe by first reflecting component Through-hole, be reflected into the optical receiver by second reflecting component, the optical receiver is electrically connected with the controller.

In alternative embodiment of the invention, the frame body includes the pedestal and fixed body being fixedly connected, and the pedestal is opened Equipped with fixation hole；

The laser generator and first reflecting component are fixedly installed on the first side of the pedestal, the measuring probe It is arranged in the fixation hole and is located at second side of the pedestal, the optical receiver is fixedly installed on the fixed body close to institute The side of pedestal is stated, the controller is fixedly installed on the side that the fixed body deviates from the pedestal, the measuring probe Side wall offers port, and second reflecting component is corresponding with the port.

In alternative embodiment of the invention, first reflecting component has the first reflective surface, the laser generator Shape angle at 45 ° between central axis and first reflective surface；

It is provided with light-blocking partition in the through-hole of the measuring probe, through-hole is divided into the first unthreaded hole and the second unthreaded hole, institute State the first reflective surface can reflection laser make it into first unthreaded hole.

In alternative embodiment of the invention, second reflecting component has reflective surface, the central axis of the measuring probe Shape angle at 45 ° between line and the reflective surface, the one end of the light-blocking partition far from first reflecting component and described second Reflecting component fitting, is divided into the second reflective surface and laser light incident reflective surface for the reflective surface；

After the laser passes through first unthreaded hole, it can reflect by second reflective surface and be penetrated from the port Out, the laser light incident reflective surface is entered after hole wall reflects, then enters the optical receiver by second unthreaded hole.

In alternative embodiment of the invention, the optical receiver includes matrix, CCD charge coupled cell and focusing lens Head, described matrix, which is set to the fixed body and has, is embedded chamber, and the central axial direction for being embedded chamber and the gauge head are visited The through-hole direction of needle is consistent；

The CCD charge coupled cell be embedded at it is described be embedded intracavitary, the focusing lens are fixedly installed on described be embedded The open end of chamber, the controller are provided with optical signal prosessing module, the optical signal prosessing module and the CCD Charged Couple Element electrical connection.

In alternative embodiment of the invention, the scale is capacitive grating scale, and the dynamic ruler is that capacitive grating moves ruler；

Institute's displacement measurement component further includes fixed frame and single-chip microcontroller, and the capacitive grating moves ruler and passes through the fixed frame slidably Be set to the capacitive grating scale, the single-chip microcontroller is fixedly installed on the pedestal, and moves ruler with the capacitive grating and be electrically connected, described Capacitive grating is moved ruler and is slided with the laser acquisition component along first direction.

In alternative embodiment of the invention, the driving executive module further includes actuator and shaft coupling, the movement Part is ball screw assembly, and the actuator is fixedly connected with the pedestal；

The ball screw assembly, includes lead screw and nut, the output that the lead screw passes through the shaft coupling and the actuator Axis is fixedly connected, and the nut is fixedly connected with the laser acquisition component, and the extending direction of the lead screw is the first party To.

In alternative embodiment of the invention, the pedestal includes top cover, gauge head shell and sliding inner casing, the sliding Inner casing is slidably arranged in the gauge head shell by the driving executive module；

The sliding inner casing includes first connecting portion and second connecting portion, and the first connecting portion and the dynamic ruler are fixed and connected It connects, the second connecting portion is fixedly connected with the movement parts, institute's displacement measurement component and driving executive module setting In in the gauge head shell, and the scale is fixedly connected with the top cover.

The present invention also provides a kind of hole depth measurement device, including manipulator and hole depth measuring mechanism, the manipulator folder The pedestal is held, keeps the measuring probe in the laser acquisition component consistent with the axis direction in hole.

The beneficial effect of the embodiment of the present invention is: reasonable design, easy operation, can carry out hole depth for through-hole and blind hole Measurement, error is small, and precision is high, and measures quickly, uses suitable for automatic production line, use scope is wide.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 is the cross-sectional view at the first visual angle of hole depth measuring mechanism that the embodiment of the present invention 1 provides；

Fig. 2 is the cross-sectional view at the second visual angle of hole depth measuring mechanism；

Fig. 3 is the explosive view for the hole depth measuring mechanism that the embodiment of the present invention 1 provides；

Fig. 4 is the explosive view of pedestal in Fig. 3；

Fig. 5 is the structural schematic diagram of displacement measurement component in Fig. 3；

Fig. 6 is the structural schematic diagram that executive module is driven in Fig. 3；

Fig. 7 is the structural schematic diagram of laser acquisition component in Fig. 3；

Fig. 8 is the partial enlarged view of measuring probe part-structure；

Fig. 9 is the cross-sectional view of optical receiver in Fig. 7.

Icon: 1- hole depth measuring mechanism；2- pedestal；3- top cover；4- gauge head shell；5- slides inner casing；6- first connecting portion； 7- second connecting portion；8- fixed part；9- laser acquisition component；10- pedestal；11- controller；12- fixed body；13- laser occurs Device；The first reflecting component of 14-；15- measuring probe；The first unthreaded hole of 16-；The second unthreaded hole of 17-；The light-blocking partition of 18-；19- second is reflective Face；20- laser light incident reflective surface；21- optical receiver；22- matrix；23-CCD charge coupled cell；24- focusing lens；The end 25- Mouthful；26- displacement measurement component；27- capacitive grating scale；28- capacitive grating moves ruler；29- fixed frame；30- single-chip microcontroller；31- drives execution group Part；32- actuator；33- shaft coupling；34- ball screw assembly,；35- lead screw；36- nut.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.

Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing and retouch It states, is not understood to indicate or imply relative importance.

In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition In concrete meaning.

The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.