CN211085150U

CN211085150U - Two-way moving double-lens measuring instrument

Info

Publication number: CN211085150U
Application number: CN201922102898.4U
Authority: CN
Inventors: 黎志勇
Original assignee: Dongguan Yihui Optoelectronics Technology Co ltd
Current assignee: Dongguan Yihui Optoelectronics Technology Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-24
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a two-way moving double-lens measuring instrument, which comprises a frame, a left and a right driving mechanism, a transverse lens, a longitudinal lens and an annular light source, wherein the frame is provided with a horizontally-placed object placing table for placing a part to be measured; the transverse lens faces the rear surface of the part to be detected, the longitudinal lens faces the upper surface of the part to be detected, and the left and right driving mechanisms drive the transverse lens and the longitudinal lens to slide on the rack along the left and right directions; the transverse lens and the longitudinal lens are respectively sleeved with an annular light source. The bidirectional movement double-lens measuring instrument adopts the transverse lens and the longitudinal lens to image two side surfaces of the part to be measured respectively, can measure the two side surfaces of the part to be measured simultaneously, and improves the measuring efficiency.

Description

Two-way moving double-lens measuring instrument

Technical Field

The utility model relates to a technical field of measuring apparatu, in particular to two-way removal twin-lens measuring apparatu.

Background

The measuring instrument is used for imaging the outline of the part and measuring the size of the part. However, the existing measuring instrument can only image the upper surface of the part to be measured, and when the whole part is measured, the part to be measured needs to be adjusted to another measuring surface to be measured after one side surface is measured, so that the measuring efficiency is low.

In the prior art, patent document CN206656691U discloses a dual-lens optical image measuring instrument, which adopts two lenses to illuminate a part to be measured in order to improve the problem of low efficiency. However, the number of the double lenses in the double-lens optical image measuring instrument is only increased, the double lenses are both positioned above the part to be measured, the upper surface of the part to be measured is still only irradiated, and only two parts can be measured simultaneously.

Therefore, a bidirectional moving double-lens measuring instrument is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a two-way removal twin-lens measuring apparatu has two sides of the same part that awaits measuring of simultaneous measurement, advantage that measurement of efficiency is high.

In order to achieve the above object, the utility model provides a two-way moving double-lens measuring instrument, which comprises a frame, a left and right driving mechanism, a transverse lens, a longitudinal lens and an annular light source, wherein a horizontally placed object placing table for placing a part to be measured is arranged on the frame; the transverse lens faces the rear surface of the part to be detected, the longitudinal lens faces the upper surface of the part to be detected, and the left and right driving mechanisms drive the transverse lens and the longitudinal lens to slide on the rack along the left and right directions; the transverse lens and the longitudinal lens are respectively sleeved with the annular light source.

Preferably, the left and right driving mechanisms comprise a rotary driver, a coupler, a screw rod and a nut, the rotary driver and the screw rod are arranged along the horizontal direction, the input end of the coupler is connected with the output end of the rotary driver, the screw rod is connected with the output end of the coupler, and the nut is sleeved on the screw rod.

Preferably, the bidirectional-movement double-lens measuring instrument further comprises a first guide rail and a first sliding block; the first guide rail is arranged on the rack along the left-right direction, the first sliding block is fixed on the nut, the first sliding block slides on the first guide rail, and the transverse lens and the longitudinal lens are connected to the first sliding block.

Preferably, the transverse lens is arranged along the front-back direction, the longitudinal lens is arranged along the vertical direction, and the extension line of the transverse lens is intersected with the extension line of the longitudinal lens to form a 90-degree included angle.

Preferably, the two-way moving dual-lens measuring instrument further includes a first camera, a second camera and a host, the first camera is fixed above the longitudinal lens, the second camera is fixed behind the transverse lens, and the first camera and the second camera are both connected to the host.

Preferably, the two-way moving double-lens measuring instrument further comprises a patch grating ruler and a grating ruler reading head, the patch grating ruler is arranged on the rack along the sliding direction of the first sliding block, one side surface of the patch grating ruler is attached to the rack, the other outward side surface of the patch grating ruler is provided with scales, the grating ruler reading head is fixed on the first sliding block, and the grating ruler reading head is right at the scales of the patch grating ruler.

Preferably, the bidirectional-movement double-lens measuring instrument further comprises a photoelectric sensor, and the photoelectric sensor is arranged on the rack; the sensing end of the photoelectric sensor faces one side of the first guide rail.

Preferably, the bidirectional-movement twin-lens measuring instrument further comprises two left and right driving mechanisms; one of the left and right driving mechanisms drives the transverse lens to move along the left and right directions, and the other of the left and right driving mechanisms drives the longitudinal lens to move along the left and right directions.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a two-way removal twin-lens measuring apparatu adopts transverse lens and vertical camera lens to form images respectively to two sides of the part that awaits measuring, can measure simultaneously two sides of the part that awaits measuring, has improved measurement of efficiency.

Drawings

Fig. 1 is a perspective view of the two-way moving twin-lens measuring instrument according to the embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Fig. 1 is a perspective view of a bidirectional-movement two-lens meter 100 according to the present embodiment. The structure of the two-way moving dual-lens meter 100 is described in detail below with reference to fig. 1:

referring to fig. 1, the two-way moving dual-lens measuring instrument 100 of the present embodiment includes a frame 10, a left-right driving mechanism 20, a transverse lens 30a, a longitudinal lens 30b, and a ring light source 40. In this embodiment, the transverse lens 30a and the longitudinal lens 30b are adopted to image two side surfaces of the part to be measured respectively, so that the two side surfaces of the part to be measured can be measured simultaneously, and the measurement efficiency is improved. Preferably, the transverse lens 30a is arranged along the front-back direction, and the transverse lens 30a faces the rear surface of the part to be measured; the longitudinal lens 30b is arranged along the vertical direction, the longitudinal lens 30b faces the upper surface of the part to be measured, and the extension line of the transverse lens 30a is intersected with the extension line of the longitudinal lens 30b to form a 90-degree included angle.

Wherein, be equipped with one on the frame 10 and be used for placing the object placing table 11 that the level of the part that awaits measuring was placed, object placing table 11 can be for being fixed in the platform on frame 10, and object placing table 11 also can be in the left and right sides direction or/and vertical direction or/and fore-and-aft direction all can slide the platform on frame 10. Further, the left-right driving mechanism 20 drives the transverse lens 30a and the longitudinal lens 30b to slide on the frame 10 in the left-right direction. Specifically, the structure of the left-right driving mechanism 20 in the present embodiment is described in detail below:

the left and right driving mechanism 20 of this embodiment includes a rotary actuator 21, a coupler 22, a screw 23 and a nut 24, the rotary actuator 21 and the screw 23 are both arranged along the horizontal direction and connected to the output end, the input end of the coupler 22 is connected to the output end of the rotary actuator 21, the screw 23 is connected to the output end of the coupler 22, and the nut 24 is sleeved on the screw 23. When the rotary driver 21 rotates, the screw 23 is driven to rotate, the nut 24 and the screw 23 move relatively, and the nut 24 moves along the length direction of the screw 23.

Further, the two-way moving dual-lens measuring instrument 100 of the present embodiment further includes a guide rail 50 and a slider 60; the guide rail 50 is arranged on the frame 10 along the left-right direction, the slider 60 is fixed on the nut 24, the slider 60 slides on the guide rail 50, and the transverse lens 30a and the longitudinal lens 30b are both connected on the slider 60. Then, the nut 24 drives the slider 60 to slide on the guide rail 50 along the left-right direction, and the slider 60 can drive the transverse lens 30a and the longitudinal lens 30b to move along the left-right direction, so that the part to be measured can be quickly adjusted to the imaging range of the lens without adjusting the position of the part to be measured, and the measurement speed is higher.

Furthermore, the transverse lens 30a and the longitudinal lens 30b are respectively sleeved with an annular light source 40, and the annular light sources 40 respectively irradiate the corresponding surfaces of the part to be measured, so that the part to be measured forms a profile.

Referring to fig. 1, the bi-directional moving dual-lens measuring instrument 100 of the present embodiment further includes a first camera 70, a second camera (not shown) and a host (not shown), wherein the first camera 70 is fixed above the longitudinal lens 30b, the second camera is fixed behind the transverse lens 30a, and both the first camera 70 and the second camera are connected to the host. Then, the contour edge lines of the corresponding side of the part to be measured are imaged through the transverse lens 30a and the longitudinal lens 30b, the image is shot through the first camera 70 and the second camera and transmitted to the host, and the host can measure the geometric size of the contour of the part according to the imaged picture.

Further, the two-way moving dual-lens measuring instrument 100 of the embodiment further includes a patch grating ruler 80a and a grating ruler reading head 80b, the patch grating ruler 80a is fixedly disposed on the frame 10 along the sliding direction of the slider 60, one side surface of the patch grating ruler 80a is attached to the frame 10, the other outward side surface of the patch grating ruler 80a is provided with scales, the grating ruler reading head 80b is fixed on the slider 60, and the grating ruler reading head 80b is opposite to the scales of the patch grating ruler 80 a. The two-way moving double-lens measuring instrument 100 is suitable for measuring the size of a large-size part to be measured, and the moving displacement of the grating scale reading head 80b is the width size of the part to be measured.

Furthermore, the two-way moving dual-lens measuring instrument 100 of the present embodiment further includes a photo sensor (not shown), the photo sensor is disposed on the frame 10, and a sensing end of the photo sensor faces the side of the guide rail 50. The photoelectric sensor protects the sliding block 60 sliding on the guide rail 50, and the sliding block 60 is prevented from colliding with the machine frame 10.

In the above embodiment, the transverse lens 30a and the longitudinal lens 30b are driven by the same left-right driving mechanism 20, and the two lenses move left and right synchronously; the landscape lens 30a and the portrait lens 30b may be driven separately. The utility model also provides another two-way moving double-lens measuring instrument, which comprises two left and right driving mechanisms; one left-right driving mechanism drives the transverse lens to move along the left-right direction, and the other left-right driving mechanism drives the longitudinal lens to move along the left-right direction.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a two-way removal twin-lens measuring apparatu 100 adopts transverse lens 30a and vertical camera lens 30b to form images respectively to two sides of the part that awaits measuring, can measure simultaneously two sides of the part that awaits measuring, has improved measurement of efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bidirectional movement double-lens measuring instrument is characterized by comprising a rack, a left driving mechanism, a right driving mechanism, a transverse lens, a longitudinal lens and an annular light source, wherein a horizontally-placed object placing table for placing a part to be measured is arranged on the rack; the transverse lens faces the rear surface of the part to be detected, the longitudinal lens faces the upper surface of the part to be detected, and the left and right driving mechanisms drive the transverse lens and the longitudinal lens to slide on the rack along the left and right directions; the transverse lens and the longitudinal lens are respectively sleeved with the annular light source.

2. The bi-directional movement dual-lens measuring instrument according to claim 1, wherein the left and right driving mechanism comprises a rotary actuator, a coupling, a screw rod and a nut, the rotary actuator and the screw rod are both disposed along a horizontal direction, the input end of the coupling is connected to the output end of the rotary actuator, the screw rod is connected to the output end of the coupling, and the nut is sleeved on the screw rod.

3. The bi-directional movement dual-lens measuring instrument according to claim 2, further comprising a first guide rail and a first slider; the first guide rail is arranged on the rack along the left-right direction, the first sliding block is fixed on the nut, the first sliding block slides on the first guide rail, and the transverse lens and the longitudinal lens are connected to the first sliding block.

4. The bi-directional movement dual-lens measuring instrument according to claim 1, wherein the transverse lens is disposed in a front-back direction, the longitudinal lens is disposed in a vertical direction, and the transverse lens extension line intersects the longitudinal lens extension line to form a 90-degree included angle.

5. The bi-directional movement dual-lens measuring instrument according to claim 1, further comprising a first camera, a second camera and a host, wherein the first camera is fixed above the longitudinal lens, the second camera is fixed behind the transverse lens, and the first camera and the second camera are both connected to the host.

6. The two-way moving dual-lens measuring instrument according to claim 3, further comprising a patch grating ruler and a grating ruler reading head, wherein the patch grating ruler is fixedly disposed on the frame along the sliding direction of the first slider, one side surface of the patch grating ruler is attached to the frame, the other outward side surface of the patch grating ruler is provided with scales, the grating ruler reading head is fixed on the first slider, and the grating ruler reading head faces the scales of the patch grating ruler.

7. The bi-directional movement dual-lens measuring instrument according to claim 3, further comprising a photoelectric sensor, wherein the photoelectric sensor is disposed on the frame; the sensing end of the photoelectric sensor faces one side of the first guide rail.

8. The bi-directional movement twin-lens meter according to claim 2, further comprising two of said left and right driving mechanisms; one of the left and right driving mechanisms drives the transverse lens to move along the left and right directions, and the other of the left and right driving mechanisms drives the longitudinal lens to move along the left and right directions.