CN218872907U - Triaxial contact type sphericity rapid measurement device - Google Patents

Abstract

The utility model provides a triaxial contact sphericity quick measuring device, includes fixed plate and the feeding module, detection module and the ejection of compact module that set gradually on it, detection module includes detecting element and bearing unit, and feeding module and ejection of compact module all can hand-over with bearing unit and accomplish the transportation work of globular material to accomplish sphericity detection work through detecting element, and detecting element is located the bearing unit outside, and it includes three sensor groups of group, sensor group includes two displacement sensor and two relative contacts that set up, and two relative contacts that set up can move in opposite directions to contact with globular material surface, and two displacement sensor set up to the displacement volume that can detect two contacts respectively, and the moving direction of contact is mutually perpendicular in arbitrary two sets of sensor groups to this diameter data who obtains mutually perpendicular's three direction does not have scanning time and measures the dead angle, has shortened the sphericity detection time of globular material, has effectively improved the detection precision of globular material.

Description

Triaxial contact type sphericity rapid measurement device

Technical Field

The utility model relates to a measuring device technical field specifically is a triaxial contact sphericity quick measurement device.

Background

The sphericity measuring method commonly used at present can measure the sphericity error with high precision by a circle measuring method, a laser interference method, a radial method and the like, can also be simplified to measure the maximum diameters of the spheres in three mutually perpendicular directions under the condition of low requirement, and can be obtained by calculating the deviation by utilizing three numerical values.

The traditional non-contact diameter mainly comprises a 3D laser scanning method and a 2D visual detection method, the main problems of the 3D laser scanning method are that the scanning time is long, the visual dead angle exists, the maximum diameter of a three-axis vertical ball cannot be measured, the 2D visual detection method is suitable for the condition that the diameter of the detected ball is not large, when the diameter of the ball is large, the single-pixel precision is low, the final measurement precision is poor, and the detection precision requirement on the sphericity cannot be met.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the above-mentioned background art, the utility model provides a triaxial contact sphericity quick measuring device.

The utility model discloses technical scheme as follows:

the utility model provides a triaxial contact sphericity quick measuring device, includes fixed plate and the feeding module, detection module and the ejection of compact module that set gradually on it, particularly, detection module includes detecting element and bearing unit, wherein the bearing unit plays main support fixed action to globular material, feeding module and ejection of compact module homoenergetic can accomplish the transportation work of globular material with the bearing unit handing-over, and feeding module can transport globular material to bearing unit promptly, and detection module detects the completion back, and ejection of compact module can transport the globular material that detects the completion out.

Furthermore, the detection unit is located outside the bearing unit and comprises three sensor groups, each sensor group comprises two displacement sensors and two contact elements which are arranged oppositely, the two contact elements which are arranged oppositely can move oppositely to contact with the surface of the spherical material, the two displacement sensors are arranged to be capable of detecting displacement of the two contact elements respectively, the moving directions of the contact elements in any two groups of sensor groups are perpendicular, when the detection unit works, six contact elements of the three sensor groups can move to be attached to the surface of the spherical material, diameter data of the spherical material in the three directions perpendicular to each other can be obtained through the displacement of the displacement sensors, scanning time and measuring dead angles do not exist, required data which can be obtained only through the movement of the displacement sensors and the detection of the moving amount of the displacement sensors can be obtained, the sphericity detection time of the spherical material is shortened, when the diameter of the spherical material is large or small, the detection unit is not influenced by the specification of the spherical material, high-precision and quick sphericity detection of the spherical material can be guaranteed, and the practicability and applicability are high.

As an optimized embodiment, the bearing unit comprises a rotary disc, a plurality of spherical material placing tables are circumferentially and uniformly distributed on the upper end of the rotary disc, when measurement is carried out, the rotary disc can rotate to a position to be detected, and sphericity detection of spherical materials on the placing tables is completed.

Furthermore, the moving directions of the contact elements all point to the center of the spherical material, and it should be noted that the center of the spherical material referred to herein refers to the center of the sphere of the spherical material in an ideal state, which ensures that the measurement data is the diameter data of the spherical material in three directions perpendicular to each other, thereby ensuring the accuracy of sphericity detection.

Further, place the bench still be equipped with the mouth of placing of globular material, be located place mouthful contact member below the plane, the limit height that its contact jaw rebound is less than the height of placing the mouth, prevents that globular material from falling out by the tight effect in top of contact member and places the mouth, guarantees that detection achievement can be orderly going on smoothly.

According to the triaxial contact type sphericity rapid measurement device, the feeding module and the discharging module both comprise the mechanical arm, the mechanical arm is provided with the clamping jaw capable of clamping spherical materials, the spherical materials can be accurately clamped to the placing opening or taken down from the placing opening under the clamping action of the clamping jaw, and the accuracy of transferring the spherical materials between the detection module and the feeding and discharging modules is guaranteed.

Furthermore, in order to ensure that the clamping jaw can smoothly complete the clamping work of the spherical materials, an anti-skid device is further arranged on the inner side of the clamping jaw.

Furthermore, antiskid includes the convex antiskid groove of the directional inboard of arc opening, just the circular arc radius in antiskid groove cooperatees with globular material radius, makes when carrying out centre gripping work, can play better clamping action to globular material through the structure in antiskid groove.

As a preferred embodiment, the manipulator is a PPU manipulator, so that the clamping operation can be more rapid and stable, and the installation and debugging of the PPU manipulator are simpler.

Further, feeding module and ejection of compact module all include material passageway, wherein ejection of compact module's material passageway is equipped with two, and one of them can set up to the certified products passageway, and another is the defective work passageway, and the globular material of different grades can be carried out by different passageways, accomplishes the classification work of globular material in proper order.

According to the triaxial contact type sphericity rapid measurement device, the height of the placing table and the size of the placing opening can be adjusted, so that the device can be suitable for sphericity detection work of spherical materials of different specifications, and the applicability of the device is further ensured.

The beneficial effects of the utility model reside in that: the utility model provides a triaxial contact sphericity quick measuring device, including the feeding module, detection module and ejection of compact module, its detecting element includes three sensor groups of group, when carrying out the measurement work, six contact homoenergetic of three sensor group can remove to laminate with globular material surface, and obtain the diameter data of mutually perpendicular's three direction through a plurality of displacement sensor, there is not scanning time and measurement dead angle, the required data that only can obtain through the displacement volume of contact, the sphericity check-out time of globular material has been shortened, the detection speed can reach 2s per pcs, and when globular material diameter is great or less, the device does not receive the influence of globular material specification, still can guarantee the sphericity detection work of high accuracy and quick completion globular material through the removal of contact, it can reach 20um to detect the precision, practicality and suitability are stronger, for enterprise's production, scientific experiment etc. field provides reliable detection technical support.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of a measuring apparatus in an embodiment;

FIG. 2 is a schematic view illustrating a manner of fitting the supporting unit and the detecting unit when the spherical material is detected according to the embodiment;

FIG. 3 is a schematic view of a fitting structure of the turntable and the placing table in the embodiment;

FIG. 4 is a schematic view of an embodiment of a mounting manner of the detection system on a mounting plate;

the components represented by the reference numerals in the figures are:

1. a fixing plate; 2. a feed module; 21. a feed channel; 22. a feeding manipulator; 23. a feed jaw; 24. a support; 25. mounting a plate; 3. a detection module; 31. a holding unit; 311. a base plate; 312. connecting columns; 313. a turntable; 314. a placing table; 32. a detection unit; 321. a fixed mount; 322. mounting a disc; 323. a support bracket; 324. a detection system; 3241. an electric cylinder; 3242. a contact member; 3243. a displacement sensor; 4. a discharging module; 41. a discharge channel; 411. a qualified product channel; 412. a defective product channel; 42. a discharging manipulator; 43. a discharging clamping jaw; 5. and (4) spherical materials.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

Examples

This embodiment provides a quick measuring device of triaxial contact sphericity, refer to fig. 1 and fig. 2, and this measuring device is used for the detection achievement of globular material 5, and it includes the fixed plate 1 that the level set up, fixed plate 1 upper end has set gradually feeding module 2, detection module 3 and ejection of compact module 4, specifically, detection module 3 includes detecting element 32 and bearing unit 31, wherein bearing unit 31 plays main support fixed action to globular material 5, feeding module 2 and ejection of compact module 4 all can accomplish the transportation achievement of globular material 5 with bearing unit 31 handing-over, and feeding module 2 can transport globular material 5 to bearing unit 31 promptly, and detection module 3 detects the completion back, and ejection of compact module 4 can transport the globular material 5 of accomplishing out, discusses in detail below.

In this embodiment, the supporting unit 31 is disposed in the middle of the fixing plate 1, the feeding module 2 includes a feeding channel 21 located above one end of the fixing plate 1, the feeding channel 21 includes a groove shape, the lower side of the feeding channel is connected to the fixing plate 1, and one end of the feeding channel extends to the outer side of the fixing plate 1, so as to transport the spherical material 5.

Further, the upper end rear side of fixed plate 1 still is equipped with support 24, the vertical mounting panel 25 that is equipped with in front side upper end of support 24, feeding module 2 still includes feeding manipulator 22, and it is close to the one end of feedstock channel 21 to locate mounting panel 25 front side, be equipped with the feeding clamping jaw 23 that can the globular material 5 of centre gripping on the feeding manipulator 22, feeding clamping jaw 23 can be pneumatic clamping jaw, through feeding clamping jaw 23's clamping effect can be close to the accurate centre gripping of the globular material 5 of bearing unit 31 one end with feedstock channel 21 to bearing unit 31 on, has guaranteed the accuracy of globular material 5 transporting between detection module 3 and feeding module 2.

As a preferred embodiment, the feeding manipulator 22 is a PPU manipulator, so that the clamping operation can be more rapid and stable, and the installation and debugging of the PPU manipulator are simpler, and as a technology with mature application, a person skilled in the art can completely select a suitable PPU manipulator to complete the transfer of the spherical materials 5 according to the actual needs of the application, and here, redundant description is not made on the structure of the PPU manipulator.

In this embodiment, referring to fig. 3, as a preferred embodiment, the supporting unit 31 includes a horizontally disposed rotating disc 313, and a plurality of placing tables 314 for the spherical materials 5 are uniformly distributed on the upper end of the horizontally disposed rotating disc 313, when performing measurement, the rotating disc 313 rotates to rotate the placing tables 314 to positions to be detected, and the sphericity detection work of the spherical materials 5 on the placing tables 314 is completed, and this multi-station detection manner meets the requirement of the detection unit 32 on the speed of detecting the beat, and further increases the sphericity detection efficiency of the measuring device.

Particularly, fixed plate 1 upper end middle part horizontally connected has bottom plate 311, bottom plate 311 upper end is vertical to be equipped with spliced pole 312, carousel 313 middle part is equipped with the connector and passes through the connector rotates the cover and establishes the outer lane at spliced pole 312, bearing unit 31 still includes first driving machine, first driving machine is connected and can drives carousel 313 rotation with carousel 313 transmission, carousel 313 outer lane circumference array has a plurality of bar detection mouths that link up from top to bottom, place the upper end middle part that platform 314 located bar detection mouth, it includes two curved tray, and two curved tray are relative locates the both sides of bar detection mouth, and form between the two curved tray and place the mouth, so that globular material 5 can be stable place on placing platform 314.

Further, when the diameter of the spherical material 5 deviates from the designated specification and is too much, the height of the placing table 314 and the size of the placing opening can be adjusted, for example, the height of the placing table 314 can be adjusted by adjusting the height of the turntable 313, the size of the placing opening can be adjusted by adjusting the distance between the two arc-shaped supporting blocks, the arc-shaped supporting blocks can also be detachably arranged, the requirements can be met by changing the specifications of different arc-shaped supporting blocks, no redundant limitation is made here, the three sets of displacement sensors 3243 need to be readjusted after adjustment to point and the high-precision standard spherical material 5 can be used compatibly after calibration, and the arrangement mode enables the device to be suitable for the sphericity detection work of the spherical materials 5 with different specifications, and further guarantees the applicability of the device.

In this embodiment, referring to fig. 4, the detecting unit 32 is located outside the supporting unit 31, and includes three sensor groups, where the sensor group includes two displacement sensors 3243 and two opposite contact elements 3242, the two opposite contact elements 3242 can move opposite to each other to contact with the surface of the spherical material 5, the two displacement sensors 3243 are configured to detect displacement amounts of the two contact elements 3242, directions of movement of the contact elements 3242 in any two sensor groups are perpendicular to each other, when performing a measurement operation, all six contact elements 3242 of the three sensor groups can move to be attached to the surface of the spherical material 5, diameter data of the spherical material 5 in three directions perpendicular to each other are obtained by the displacement amount of the displacement sensor 3243, there are no scanning time and no dead angle of measurement, and the required data can be obtained by only detecting the movement amount of the displacement sensor 3243, so that the sphericity detecting time of the spherical material 5 is shortened, and when the diameter of the spherical material 5 is larger or smaller, the device can still be compatible with the sphericity detecting operation of the spherical material 5, and has strong practicability and applicability.

Particularly, fixed plate 1 upper end rear side is equipped with mount 321, the vertical mounting disc 322 that is equipped with in mount 321 front side, every group the sensor group all includes two detecting system 324 of relative setting, monitoring system includes contact 3242, displacement sensor 3243 and electronic jar 3241, electronic jar 3241 is connected with mounting disc 322, contact 3242 passes through the connecting piece and connects in electronic jar 3241's transmission end, and can remove through electronic jar 3241 drive, displacement sensor 3243 links with mounting disc 322 and is located contact 3242 and keeps away from mounting disc 322 axle center one side.

As one of the embodiments, in this embodiment, the three sensor groups are a first axial sensor group, a second axial sensor group and a third axial sensor group, wherein the detecting systems 324 of the first axial sensor group and the second axial sensor group are uniformly distributed around the circumference of the mounting plate 322, the detecting unit 32 further includes a supporting bracket 323 located at the rear side of the mounting plate 322 and connected to the fixing plate 1, and the two detecting systems 324 of the third sensor group are arranged oppositely, one of the detecting systems is located at the upper end of the supporting bracket 323, and the other detecting system is located at the upper end of the connecting column 312.

Further, the moving directions of the contact elements 3242 all point to the center of the spherical material 5, taking the shape of the contact element 3242 in this embodiment as a column as an example, the axes of the contact elements 3242 of the first sensor group and the second sensor group are both intersected with and perpendicular to the axis of the mounting disc 322, the axis of the contact element 3242 of the third sensor group is overlapped with the axis of the mounting disc 322, the plurality of contact elements 3242 can move axially under the driving of the electric cylinder 3241, the middle part of the mounting disc 322 is provided with a detection port, so that the turntable 313 can smoothly carry the spherical material 5 to move between the plurality of detection systems 324, and the intersection of the axes of the contact elements 3242 of the first sensor group and the second sensor group is overlapped with the center of the spherical material 5 to complete the sphericity detection work.

Further, it should be noted that the contact end of the contact element 3242 located below the plane where the placing opening is located has a limit height moving upwards smaller than the height of the placing opening, so as to prevent the spherical material 5 from falling out of the placing opening under the pushing action of the contact element 3242, thereby ensuring that the detection work can be smoothly and orderly performed

In this embodiment, the discharging module 4 includes a discharging channel 41 located above one end of the fixing plate 1 far from the feeding module 2, the discharging channel 41 includes a groove shape, the lower side of the discharging channel is connected with the fixing plate 1, and one end of the discharging channel extends to the outer side of the fixing plate 1, so as to be used for discharging and transporting the spherical material 5.

Further, ejection of compact module 4 still includes ejection of compact manipulator 42, and it locates the one end that mounting panel 25 front side is close to discharging channel 41, be equipped with the ejection of compact clamping jaw 43 that can the globular material 5 of centre gripping on ejection of compact manipulator 42, ejection of compact clamping jaw 43 can be pneumatic clamping jaw, through the clamping effect of ejection of compact clamping jaw 43 can be with on bearing unit 31 detect the accurate centre gripping of the globular material 5 of accomplishing to discharging channel 41, guaranteed the accuracy of globular material 5 transporting between detection module 3 and ejection of compact module 4, here, ejection of compact manipulator 42 also can be the PPU manipulator.

Further, for guaranteeing that the clamping jaw can accomplish the centre gripping work with globular material smoothly the inboard of feeding clamping jaw 23 and ejection of compact clamping jaw 43 still is equipped with antiskid, antiskid includes the convex antiskid groove of the directional inboard of arc opening, just the circular arc radius in antiskid groove cooperatees with globular material 5 radius, makes when carrying out centre gripping work, can play better clamping effect to globular material 5 through the structure in antiskid groove.

It should be noted that, when the spherical material 5 on one of the placing ports reaches the detection position, the feeding manipulator 22 and the discharging manipulator 42 can just complete the transfer work of the spherical material 5 between the placing platforms 314 on the turntable 313, so as to ensure that the detection work can be performed in order according to the beat.

Further, the material passageway of ejection of compact module 4 is discharging channel 41, and it is equipped with two of parallel arrangement, and one of them can set up to certified products passageway 411, and another is certified products passageway 412, specifically, discharging channel 41 is close to bearing unit 31 one end and accomplishes the handing-over passageway of globular material 5 transportation work with bearing unit 31, and the handing-over passageway is kept away from bearing unit 31 one end and is equipped with feed divider, through control the pellet that feed divider's state can control handing-over passageway gets into certified products passageway 411 or certified products passageway 412, and the globular material 5 of different grades can be transported by different passageways, accomplishes the classification work of globular material 5 in proper order.

Claims (10)

1. A triaxial contact type sphericity rapid measurement device is characterized by comprising a fixed plate (1) and a feeding module (2), a detection module (3) and a discharging module (4) which are sequentially arranged on the fixed plate;

the detection module (3) comprises a detection unit (32) and a bearing unit (31), and the feeding module (2) and the discharging module (4) can be connected with the bearing unit (31) to complete the transfer work of the spherical materials (5);

the detection unit (32) is located on the outer side of the bearing unit (31) and comprises three groups of sensor groups, each sensor group comprises two displacement sensors (3243) and two opposite contact pieces (3242), the two opposite contact pieces (3242) can move oppositely to be in contact with the surface of the spherical material (5), the two displacement sensors (3243) can be arranged to be capable of respectively detecting the displacement of the two contact pieces (3242), and the moving directions of the contact pieces (3242) in any two groups of sensor groups are perpendicular to each other.

2. The three-axis contact type sphericity rapid measurement device according to claim 1, wherein said supporting unit (31) comprises a turntable (313), the upper end of which is circumferentially and uniformly distributed with a plurality of placing tables (314) for spherical materials (5).

3. The apparatus according to claim 2, wherein the contact elements (3242) are moved in a direction toward the center of the spherical material (5).

4. The triaxial contact sphericity rapid measurement device according to claim 3, wherein said placing table (314) is provided with a placing port for spherical materials (5), and a contact member (3242) located below the plane of said placing port has a limit height of upward movement of the contact end that is less than the height of the placing port.

5. The triaxial contact sphericity rapid measurement apparatus according to claim 4, wherein the height of the placing table (314) and the size of the placing opening are adjustable.

6. The triaxial contact type sphericity rapid measurement device according to claim 1, wherein the feeding module (2) and the discharging module (4) each comprise a manipulator, and the manipulator is provided with a clamping jaw capable of clamping spherical materials.

7. The apparatus of claim 6, wherein the manipulator is a PPU manipulator.

8. The triaxial contact sphericity rapid measurement device according to claim 6, wherein the feed module (2) and the discharge module (4) each comprise a material channel, wherein there are two material channels of the discharge module (4).

9. The triaxial contact type sphericity rapid measurement apparatus according to claim 6, wherein the clamping jaws are provided with anti-slip means on the inner sides thereof.

10. The apparatus according to claim 9, wherein the anti-slip means comprises an arc-shaped anti-slip groove with an arc-shaped opening pointing inward.

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