CN217255002U

CN217255002U - Workpiece surface profile online inspection device for numerical control machine tool

Info

Publication number: CN217255002U
Application number: CN202123314531.2U
Authority: CN
Inventors: 王锡峰; 黄振国; 李大铭
Original assignee: Jiangsu Suling Precision Machinery Co ltd
Current assignee: Jiangsu Suling Precision Machinery Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-23
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses an online verifying attachment of work piece surface profile for digit control machine tool relates to work piece inspection technical field, including the mount pad, the activity of mount pad bottom is provided with the electric telescopic handle that is the crisscross distribution of symmetry, and the electric telescopic handle output is provided with the gyro wheel distancer, installs the inspection wheel on the gyro wheel distancer, and the mount pad is inside to be provided with the inspection unit, still is provided with the rotary unit between electric telescopic handle and the gyro wheel distancer. The utility model discloses a being the inspection that the inspection wheel of symmetry staggered distribution is constituteed and examining the work piece, improved the efficiency of inspection, and can effectually prevent and the produced vibration influence inspection result's of the produced vibration of friction between the work piece accuracy nature, extend away a set of crisscross inspection wheel that distributes through electric telescopic handle simultaneously, then rethread rotary unit makes the inspection wheel rotatory ninety degrees, can measure the narrower department of work piece, adaptability when improving the inspection wheel inspection.

Description

Workpiece surface profile online inspection device for numerical control machine tool

Technical Field

The utility model relates to a work piece inspection technical field specifically is a workpiece surface profile online inspection device for digit control machine tool.

Background

After a workpiece is machined by the numerical control machine tool, the workpiece needs to be taken down and inspected, and micro geometric errors caused by tool marks left by cutting of a tool, plastic deformation during chip separation, high-frequency vibration in a process system, friction between the tool and the surface of the part and the like in the machining process of the surface of the workpiece are prevented.

According to the surface profile on-line inspection apparatus disclosed in publication No. CN214237390U, although it is intended to provide a surface profile on-line inspection apparatus that can perform on-line measurement of a workpiece without removing the workpiece from a machine tool, it is found in an actual inspection process that the inspection path is linear, the inspection of the workpiece surface in a wide range is not possible, the efficiency is low and the adaptability is poor, and the probe vibrates due to friction with the workpiece surface when the workpiece surface moves, and the inspection result is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an online verifying attachment of work piece surface profile for digit control machine tool to solve the current verifying attachment that proposes among the above-mentioned background art and can't carry out inspection on a large scale to the work piece surface, the probe can be because of the problem that the friction with the work piece surface takes place the vibration when the work piece surface removes simultaneously.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pair of online verifying attachment of workpiece surface profile for digit control machine tool, which comprises a mounting bas, the activity of mount pad bottom is provided with the electric telescopic handle who is the crisscross distribution of symmetry, the electric telescopic handle output is provided with the gyro wheel distancer, install the inspection wheel on the gyro wheel distancer, the inside inspection unit that is provided with of mount pad, electric telescopic handle with still be provided with the rotary unit between the gyro wheel distancer.

Preferably, the inspection unit comprises a movable plate, the outer tube of the electric telescopic rod is of an elliptical structure, the top end of the outer tube of the electric telescopic rod is inserted into an oil cavity formed in the mounting seat, the movable plate is mounted at the top end of the outer tube of the electric telescopic rod, and a hydraulic medium is arranged between the movable plate and the inner wall of the oil cavity.

Preferably, the inspection unit further comprises an elastic member disposed between the movable plate and the inner wall of the oil chamber.

Preferably, the inspection unit further comprises an oil pipe and a hydraulic sensor, one end of the oil pipe is communicated with the oil cavity, and the hydraulic sensor is communicated with the other end of the oil pipe.

Preferably, the inspection unit further comprises a control board electrically connected to the roller distance meter and the hydraulic sensor.

Preferably, the rotary unit includes the revolving stage, the revolving stage install in gyro wheel distancer top, pole coupling in electric telescopic handle in the revolving stage top, and extend to inside the revolving stage.

Preferably, the rotating unit further includes a motor installed inside the rotating table.

Preferably, the rotating unit further comprises a worm, and the worm is mounted at the output end of the motor.

Preferably, the rotating unit further comprises a worm wheel, the worm wheel is mounted on a port of the inner rod of the electric telescopic rod, which extends to the inside of the rotating table, and is connected to the worm in a meshing manner.

Preferably, the top of the mounting seat is provided with a mounting plate.

Compared with the prior art, the above one or more technical schemes have the following beneficial effects:

the utility model discloses a being the inspection that the inspection wheel of symmetry staggered distribution is constituteed and examining the work piece, improved the efficiency of inspection, and can effectually prevent and the produced vibration influence inspection result's of the produced vibration of friction between the work piece accuracy nature, extend away a set of crisscross inspection wheel that distributes through electric telescopic handle simultaneously, then rethread rotary unit makes the inspection wheel rotatory ninety degrees, can measure the narrower department of work piece, adaptability when improving the inspection wheel inspection.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

In the drawings:

fig. 1 is a schematic perspective top view of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic view of a partial sectional structure of the inspection unit of the present invention;

fig. 4 is a schematic view of the partial cross-sectional structure of the rotating unit of the present invention.

In the figure:

100. a mounting seat; 110. an electric telescopic rod; 120. a roller rangefinder; 130. a checking wheel; 140. an oil chamber; 150. assembling a plate;

200. a checking unit; 210. a movable plate; 220. an elastic member; 230. an oil pipe; 240. a hydraulic pressure sensor; 250. a control panel;

300. a rotation unit; 310. a rotating table; 320. a motor; 330. a worm; 340. a worm gear.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 to 4, the present invention provides an online inspection device for workpiece surface profile for a numerical control machine, including a mounting base 100, wherein a mounting plate 150 is installed on the top of the mounting base 100 for installing the mounting base 100 on a robot arm, so that the robot arm can operate the mounting base 100 to move on a workpiece, an electric telescopic rod 110 is movably arranged at the bottom of the mounting base 100, the electric telescopic rod 110 is symmetrically and alternately distributed, a roller distance meter 120 is arranged at the output end of the electric telescopic rod 110, an inspection wheel 130 is installed on the roller distance meter 120, the inspection wheel 130 is symmetrically and alternately distributed for making an inspection surface complete, thereby preventing the gap between the inspection wheels 130 from affecting the accuracy of inspection when large-area inspection is performed on the workpiece surface, an inspection unit 200 is arranged inside the mounting base 100 for recording the fluctuation parameters of the unevenness of the workpiece surface when the inspection wheel 130 moves to the unevenness of the workpiece surface, and simultaneously recording the distance parameters measured by the roller distance meter 120, the rotating unit 300 is further arranged between the electric telescopic rod 110 and the roller distance meter 120, and is used for extending out a group of staggered inspection wheels 130 through the electric telescopic rod 110 when measuring narrow parts of a workpiece, and then enabling the inspection wheels 130 to rotate ninety degrees through the rotating unit 300, so that the adaptability of the inspection wheels 130 during inspection is improved.

As further shown in fig. 3, the inspection unit 200 includes a movable plate 210, an elastic member 220, an oil pipe 230, a hydraulic sensor 240 and a control plate 250, the outer tube of the electric telescopic rod 110 is an elliptical structure, the top end of the outer tube of the electric telescopic rod 110 is inserted into the oil cavity 140 formed in the mounting base 100, the movable plate 210 is mounted at the top end of the outer tube of the electric telescopic rod 110, and a hydraulic medium is disposed between the inner wall of the oil cavity 140 and the movable plate 210, the elastic member 220 is disposed between the movable plate 210 and the inner wall of the oil cavity 140, one end of the oil pipe 230 is connected to the oil cavity 140, the hydraulic sensor 240 is connected to the other end of the oil pipe 230, the control plate 250 is electrically connected to the roller distance meter 120 and the hydraulic sensor 240, the above structure is designed to enable the electric telescopic rod 110 to drive the movable plate 210 to move in the oil cavity 140 when the inspection wheel 130 inspects the uneven surface of the workpiece, and apply an acting force to the hydraulic medium inside the elastic member 220 and the oil cavity 140, so that after the hydraulic pressure medium triggered the hydraulic pressure sensor 240, the amount of the hydraulic pressure medium was recorded by the control board 250 to know the unevenness value, and the data of the roller distance meter 120 at this time was recorded.

During inspection, firstly, the mounting seat 100 is moved to the side of a workpiece through the mechanical arm, then the inspection wheel 130 is abutted against the workpiece, the inspection wheel 130 is forced to drive the electric telescopic rod 110 to move towards the direction of the mounting seat 100, the movable plate 210 presses the elastic part 220 to press a hydraulic medium into the hydraulic sensor 240 connected with the oil pipe 230, at this time, the control plate 250 receives a signal transmitted by the hydraulic sensor 240 and records the signal as an intermediate value, when the mechanical arm drives the inspection wheel 130 to move to an uneven position on the workpiece, if the signal is convex, the inspection wheel 130 drives the electric telescopic rod 110 to move towards the direction of the mounting seat 100, and the movable plate 210 presses the elastic part 220 to press the hydraulic medium into the hydraulic sensor 240 connected with the oil pipe 230, at this time, the control plate 250 records the signal transmitted by the hydraulic sensor 240, and simultaneously records the mileage of the roller distance meter 120 at this time, if the elastic part is concave, the movable plate 210 drives the inspection wheel 130 on the electric telescopic rod 110 to move in a direction away from the mounting base 100 under the action of the elastic member 220 recovering deformation, and enables the hydraulic medium inside the hydraulic sensor 240 to enter the oil cavity 140 connected with the oil pipe 230, at the moment, the control plate 250 records the signal transmitted by the hydraulic sensor 240, and records the mileage of the roller distance meter 120 at the moment, so that the position of an uneven part and the uneven value bucket can be recorded when the surface of a workpiece is inspected in a large area, and the inspection work of a subsequent worker is facilitated.

As further shown in fig. 3, the rotating unit 300 includes a rotating platform 310, a motor 320, a worm 330 and a worm gear 340, the rotating platform 310 is installed on the top of the roller distance measuring device 120, the rod in the electric telescopic rod 110 is coupled to the top of the rotating platform 310 and extends into the rotating platform 310, the motor 320 is installed in the rotating platform 310, the worm 330 is installed at the output end of the motor 320, the worm gear 340 is installed at a port of the rod in the electric telescopic rod 110 extending into the rotating platform 310 and is engaged with the worm 330, and the above-mentioned structure is designed to enable the worm 330 to drive the rotating platform 310, on which the motor 320 is installed, to rotate by the worm gear 340 with the coupling of the rod in the electric telescopic rod 110 as a rotating axis when the checking direction of the checking wheel 130 needs to be adjusted and the motor 320 drives the worm 330 to rotate.

When the workpiece is inspected on the concave part with the width smaller than that of the mounting seat 100, the electric telescopic rod 110 extends a group of inspection wheels 130 distributed in a staggered mode to the outer sides of other inspection wheels 130, then the motor 320 drives the worm 330 to rotate, the worm 330 drives the motor 320 and the rotating platform 310 to rotate due to the fact that the worm gear 340 is fixed, after the rotating platform 310 rotates ninety degrees, the mounting seat 100 can be transversely placed into the concave part of the workpiece through the mechanical arm, and the narrow part of the workpiece is inspected through the group of inspection wheels 130.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a workpiece surface profile on-line inspection device for digit control machine tool which characterized in that: including mount pad (100), mount pad (100) bottom activity is provided with electric telescopic handle (110) that is the crisscross distribution of symmetry, electric telescopic handle (110) output is provided with gyro wheel distancer (120), install inspection wheel (130) on gyro wheel distancer (120), mount pad (100) inside is provided with inspection unit (200), electric telescopic handle (110) with still be provided with between gyro wheel distancer (120) rotary unit (300).

2. The on-line inspection apparatus for the surface profile of a workpiece for a numerical control machine according to claim 1, wherein: the inspection unit (200) comprises a movable plate (210), the outer tube of the electric telescopic rod (110) is of an elliptical structure, the top end of the outer tube of the electric telescopic rod (110) is inserted into an oil cavity (140) formed in the mounting seat (100), the movable plate (210) is mounted at the top end of the outer tube of the electric telescopic rod (110), and a hydraulic medium is arranged between the movable plate and the inner wall of the oil cavity (140).

3. The on-line inspection apparatus for the surface profile of a workpiece for a numerical control machine according to claim 2, wherein: the inspection unit (200) further comprises an elastic member (220), and the elastic member (220) is disposed between the movable plate (210) and the inner wall of the oil chamber (140).

4. The on-line inspection apparatus for the surface profile of a workpiece for a numerical control machine according to claim 2, wherein: the inspection unit (200) further comprises an oil pipe (230) and a hydraulic sensor (240), one end of the oil pipe (230) is communicated with the oil cavity (140), and the hydraulic sensor (240) is communicated with the other end of the oil pipe (230).

5. The on-line inspection apparatus of the surface profile of a workpiece for a numerical control machine according to claim 4, wherein: the inspection unit (200) further comprises a control board (250), the control board (250) being electrically connected to the roller rangefinder (120) and the hydraulic sensor (240).

6. The on-line inspection apparatus of the surface profile of a workpiece for a numerical control machine according to claim 1, wherein: the rotating unit (300) comprises a rotating table (310), the rotating table (310) is installed at the top of the roller distance measuring instrument (120), and the rod in the electric telescopic rod (110) is connected to the top of the rotating table (310) in a shaft mode and extends to the inside of the rotating table (310).

7. The on-line inspection apparatus of the surface profile of a workpiece for a numerical control machine according to claim 6, wherein: the rotation unit (300) further comprises a motor (320), the motor (320) being mounted inside the rotation stage (310).

8. The on-line inspection apparatus of the surface profile of a workpiece for a numerical control machine according to claim 7, wherein: the rotating unit (300) further comprises a worm (330), and the worm (330) is mounted at the output end of the motor (320).

9. The on-line inspection apparatus for the surface profile of a workpiece for a numerical control machine tool according to claim 8, wherein: the rotating unit (300) further comprises a worm wheel (340), the worm wheel (340) is installed on a port of the electric telescopic rod (110), the inner rod of the electric telescopic rod extends to the inside of the rotating platform (310), and the worm wheel is connected to the worm (330) in a meshed mode.

10. The on-line inspection apparatus of the surface profile of a workpiece for a numerical control machine according to claim 1, wherein: and an assembling plate (150) is arranged at the top of the mounting seat (100).