CN211425503U

CN211425503U - Visual measuring instrument for precision parts

Info

Publication number: CN211425503U
Application number: CN202020220962.9U
Authority: CN
Inventors: 汤一凡
Original assignee: Wuxi Chuangshixin Photoelectric Technology Co ltd
Current assignee: Wuxi Chuangshixin Photoelectric Technology Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-09-04
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a visual measurement appearance for precision part relates to visual measurement technical field, for solving the fixed inconvenient and lower problem of whole flexibility of current measuring device to the part. The part main part has been placed to the upper end of part locating plate, the negative pressure adsorption tank is installed to the centre of part locating plate lower extreme, the internally mounted of negative pressure adsorption tank has vacuum negative pressure pump me, first negative pressure vacuum tube is installed to one side of negative pressure adsorption tank, second negative pressure vacuum tube is installed to the opposite side of negative pressure adsorption tank, the inside of part locating plate is all embedded in to first negative pressure vacuum tube and second negative pressure vacuum tube, first cylinder is installed in the place ahead of negative pressure adsorption tank, install articulated piece between first cylinder and the part locating plate, the stabilizer blade is all installed to the edge of part locating plate lower extreme, install the spring between stabilizer blade and the part locating plate, the upper end of part locating plate is provided with a plurality of negative pressure adsorption holes.

Description

Visual measuring instrument for precision parts

Technical Field

The utility model relates to a technical field is measured to the vision, specifically is a vision measuring apparatu for precision part.

Background

In various electronic systems, electrical connectors are essential elements for electrical connection and signal transmission between devices, assemblies and modules, and systems, and thus form a complete system. With the development of aerospace engineering and electronic communication engineering, the electric connector is used as a basic element for transmitting electric signals and electric energy and is applied to systems more and more widely. The electric connector industry in China is very weak in the aspects of common technology basic research such as quality inspection standards, reliability screening test methods, key part raw materials and key part processing technologies, so that the quality and reliability of domestic electric connectors with the same type spectrum are still different from those of foreign famous brands, machine vision measurement is a new measurement means developed in recent years, and the electric connector industry is rapidly developed in recent years and is gradually applied to various industrial productions. The machine vision detection method can greatly improve the production efficiency and the production automation degree, and the machine vision is easy to realize information integration, thereby being a basic technology for realizing computer integrated manufacturing.

However, the existing measuring device is inconvenient to fix parts and low in overall flexibility, so that the existing requirements are not met, and the visual measuring instrument for the precision parts is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a visual measuring instrument for precision part to solve the fixed inconvenient and lower problem of whole flexibility of current measuring device who provides among the above-mentioned background art to the part.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a visual measuring instrument for precision part, includes the part locating plate, the part main part has been placed to the upper end of part locating plate, the negative pressure adsorption tank is installed to the centre of part locating plate lower extreme, the internally mounted of negative pressure adsorption tank has vacuum negative pressure pump my, first negative pressure vacuum tube is installed to one side of negative pressure adsorption tank, second negative pressure vacuum tube is installed to the opposite side of negative pressure adsorption tank, first negative pressure vacuum tube and second negative pressure vacuum tube all imbed the inside of part locating plate, first cylinder is installed in the place ahead of negative pressure adsorption tank, install articulated piece between first cylinder and the part locating plate, the stabilizer blade is all installed at the edge of part locating plate lower extreme, install the spring between stabilizer blade and the part locating plate, the upper end of part locating plate is provided with a plurality of negative pressure adsorption holes.

Preferably, the roof is installed to the top of part locating plate, the second cylinder is installed to the centre of roof upper end, the regulating plate is installed to the lower extreme of second cylinder, measuring mechanism is installed to the lower extreme of regulating plate, measuring mechanism's lower extreme is provided with CCD camera unit, all install the guide bar between both sides of roof lower extreme and the part locating plate, and the guide bar runs through the regulating plate, and guide bar and regulating plate sliding connection.

Preferably, the curb plate is all installed to the both sides of regulating plate lower extreme, and curb plate and regulating plate set up to the integrated into one piece structure, step motor is installed in the outside of curb plate, the lead screw is installed to step motor's one end, the lead screw runs through measuring mechanism, measuring mechanism and regulating plate sliding connection.

Preferably, the lower end of the side plate is provided with an auxiliary illuminating lamp, and a plurality of LED light sources are arranged in the auxiliary illuminating lamp.

Preferably, the auxiliary illuminating lamp is connected with the side plate through a damping rotating shaft.

Preferably, the spring, the supporting leg and the part positioning plate are connected through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an inside negative pressure vacuum pump work of negative pressure adsorption tank takes out the part locating plate to vacuum state through first negative pressure vacuum tube and second negative pressure vacuum tube, when treating to carry out the upper end that the part locating plate was arranged in to the part of measuring, adsorbs the hole through the negative pressure and is adsorbed in the upper end of part locating plate, need not clamping device and carries out the centre gripping and can remain stable, can carry out comprehensive measurement action to the part to improve measurement accuracy.

2. The utility model discloses a corresponding action that receive and releases is done with the extension to the shrink of first cylinder, drives the spring, can adjust the angle of part locating plate, carries out angle modulation to the part main part promptly, has avoided the measuring error because of factors such as observation angle out of plumb or light change cause, has improved holistic flexibility and has further improved measurement accuracy.

3. The utility model discloses a step motor work can drive the lead screw and rotate to the realization drives the regulating plate through the second cylinder and slides along the guide bar to the horizontal position control of CCD camera unit, realizes the high position control to CCD camera unit, can change the position of CCD camera unit for the part main part, can make CCD camera unit be in best measurement position, has further improved the flexibility and the measurement accuracy of device.

4. The utility model discloses an auxiliary lighting lamp carries out auxiliary lighting to the part main part, makes the part main part have abundant illumination to improve the data acquisition precision of CCD camera unit, further improved the measurement accuracy to the part promptly.

Drawings

Fig. 1 is an overall front view of a vision measuring instrument for precision parts according to the present invention;

fig. 2 is a top view of the component positioning plate of the present invention;

fig. 3 is a connection relationship diagram of the side plate and the auxiliary illuminating lamp of the present invention.

In the figure: 1. a part positioning plate; 2. a part body; 3. a negative pressure adsorption tank; 4. a first negative pressure vacuum tube; 5. a second negative pressure vacuum tube; 6. a support leg; 7. a spring; 8. a first cylinder; 9. a hinged block; 10. a top plate; 11. a second cylinder; 12. an adjusting plate; 13. a side plate; 14. a measuring mechanism; 15. a CCD camera unit; 16. a screw rod; 17. a guide bar; 18. an auxiliary lighting lamp; 19. an LED light source; 20. a damping rotating shaft; 21. a negative pressure adsorption hole; 22. a stepper motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a visual measuring instrument for precision parts comprises a part positioning plate 1, a part main body 2 is placed at the upper end of the part positioning plate 1, a negative pressure adsorption tank 3 is installed in the middle of the lower end of the part positioning plate 1, a vacuum negative pressure pump is installed in the negative pressure adsorption tank 3, a first negative pressure vacuum tube 4 is installed at one side of the negative pressure adsorption tank 3, a second negative pressure vacuum tube 5 is installed at the other side of the negative pressure adsorption tank 3, the first negative pressure vacuum tube 4 and the second negative pressure vacuum tube 5 are both embedded in the part positioning plate 1, a first air cylinder 8 is installed in front of the negative pressure adsorption tank 3, a hinge block 9 is installed between the first air cylinder 8 and the part positioning plate 1, support legs 6 are all installed at the corners of the lower end of the part positioning plate 1, springs 7 are installed between the support legs 6 and the part positioning plate 1, a plurality of negative pressure adsorption holes 21 are formed in, the inside negative pressure vacuum pump work of negative pressure adsorption tank 3, takes out part positioning plate 1 to vacuum state through first negative vacuum tube 4 and second negative vacuum tube 5, when waiting to carry out measuring part main part 2 and arrange part positioning plate 1's upper end in, adsorbs the hole 21 through the negative pressure and is adsorbed in part positioning plate 1's upper end, need not clamping device and carry out the centre gripping and can remain stable, can carry out comprehensive measurement action to part main part 2.

Further, roof 10 is installed to the top of part locating plate 1, second cylinder 11 is installed to the centre of roof 10 upper end, regulating plate 12 is installed to the lower extreme of second cylinder 11, measuring mechanism 14 is installed to the lower extreme of regulating plate 12, measuring mechanism 14's lower extreme is provided with CCD camera unit 15, all install guide bar 17 between both sides and the part locating plate 1 of roof 10 lower extreme, and guide bar 17 runs through regulating plate 12, and guide bar 17 and regulating plate 12 sliding connection, second cylinder 11 drives regulating plate 12 and slides along guide bar 17, the realization is to the height position control of CCD camera unit 15.

Further, curb plate 13 is all installed to the both sides of regulating plate 12 lower extreme, and curb plate 13 sets up to the integrated into one piece structure with regulating plate 12, and step motor 22 is installed in the outside of curb plate 13, and lead screw 16 is installed to step motor 22's one end, and lead screw 16 runs through measuring mechanism 14, and measuring mechanism 14 and regulating plate 12 sliding connection, and step motor 22 work can drive lead screw 16 and rotate to the realization is to the horizontal position adjustment of CCD camera unit 15.

Further, auxiliary illuminating lamp 18 is installed to the lower extreme of curb plate 13, and auxiliary illuminating lamp 18's inside is provided with a plurality of LED light sources 19, and auxiliary illuminating lamp 18 carries out auxiliary lighting to part main part 2, makes part main part 2 have abundant illumination to improve CCD camera unit 15's data acquisition precision.

Further, the auxiliary illuminating lamp 18 is connected with the side plate 13 through the damping rotating shaft 20, so that the angle of the auxiliary illuminating lamp 18 can be adjusted, and the flexibility of the auxiliary illuminating lamp is improved.

Further, spring 7 all passes through the screw connection with stabilizer blade 6 and part locating plate 1, and simple structure does benefit to the maintenance.

The working principle is as follows: when the device is used, the part main body 2 is placed at the upper end of the part positioning plate 1, the negative pressure vacuum pump in the negative pressure adsorption box 3 works, the part positioning plate 1 is pumped to a vacuum state through the first negative pressure vacuum tube 4 and the second negative pressure vacuum tube 5, when the part main body 2 to be measured is placed at the upper end of the part positioning plate 1, the part main body is adsorbed at the upper end of the part positioning plate 1 through the negative pressure adsorption hole 21, the part positioning plate can be kept stable without being clamped by a clamping device, the part main body 2 can be comprehensively measured, the spring 7 is driven to do corresponding retraction and extension actions through the contraction and extension of the first air cylinder 8, the angle of the part positioning plate 1 can be adjusted, namely the part main body 2 is angularly adjusted, the measurement error caused by the observation angle being not vertical or the light change and other factors is avoided, the stepping motor 22 works to drive the screw rod 16 to rotate, thereby realizing the horizontal position adjustment of the CCD camera unit 15, drive regulating plate 12 through second cylinder 11 and slide along guide bar 17, the realization is to the high position control of CCD camera unit 15, can change CCD camera unit 15 for the position of part main part 2, can make CCD camera unit 15 be in best measuring position, the flexibility and the measurement accuracy of device have further been improved, auxiliary lighting lamp 18 carries out auxiliary lighting to part main part 2, make part main part 2 have abundant illumination, thereby improve CCD camera unit 15's data acquisition precision, the measurement accuracy to part main part 2 has further been improved promptly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a vision measuring apparatu for precision part, includes part locating plate (1), its characterized in that: a part main body (2) is placed at the upper end of the part positioning plate (1), a negative pressure adsorption tank (3) is installed in the middle of the lower end of the part positioning plate (1), a vacuum negative pressure pump is installed inside the negative pressure adsorption tank (3), a first negative pressure vacuum tube (4) is installed on one side of the negative pressure adsorption tank (3), a second negative pressure vacuum tube (5) is installed on the other side of the negative pressure adsorption tank (3), the first negative pressure vacuum tube (4) and the second negative pressure vacuum tube (5) are both embedded into the part positioning plate (1), a first air cylinder (8) is installed in front of the negative pressure adsorption tank (3), a hinge block (9) is installed between the first air cylinder (8) and the part positioning plate (1), supporting legs (6) are installed at the corners of the lower end of the part positioning plate (1), and springs (7) are installed between the supporting legs (6) and the part positioning plate (1), the upper end of the part positioning plate (1) is provided with a plurality of negative pressure adsorption holes (21).

2. The visual measuring instrument for precision parts according to claim 1, wherein: roof (10) is installed to the top of part locating plate (1), second cylinder (11) are installed to the centre of roof (10) upper end, regulating plate (12) are installed to the lower extreme of second cylinder (11), measuring mechanism (14) are installed to the lower extreme of regulating plate (12), the lower extreme of measuring mechanism (14) is provided with CCD camera unit (15), all install guide bar (17) between both sides of roof (10) lower extreme and part locating plate (1), and guide bar (17) run through regulating plate (12), and guide bar (17) and regulating plate (12) sliding connection.

3. The visual measuring instrument for precision parts according to claim 2, wherein: curb plate (13) are all installed to the both sides of regulating plate (12) lower extreme, and curb plate (13) set up to the integrated into one piece structure with regulating plate (12), step motor (22) are installed in the outside of curb plate (13), lead screw (16) are installed to the one end of step motor (22), measurement mechanism (14) is run through in lead screw (16), measurement mechanism (14) and regulating plate (12) sliding connection.

4. A visual measuring instrument for precision parts according to claim 3, characterized in that: the lower end of the side plate (13) is provided with an auxiliary illuminating lamp (18), and a plurality of LED light sources (19) are arranged inside the auxiliary illuminating lamp (18).

5. The visual measuring instrument for precision parts according to claim 4, wherein: the auxiliary illuminating lamp (18) is connected with the side plate (13) through a damping rotating shaft (20).

6. The visual measuring instrument for precision parts according to claim 1, wherein: the spring (7) is connected with the support leg (6) and the part positioning plate (1) through screws.