CN218496051U

CN218496051U - Measurement fixture applied to optical inspection

Info

Publication number: CN218496051U
Application number: CN202222941699.4U
Authority: CN
Inventors: 刘志昊; 窦岩丽; 周云团; 黄奥博
Original assignee: Zhengzhou New Asia Superhard Material Composite Co ltd
Current assignee: Zhengzhou New Asia Superhard Material Composite Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-02-17
Anticipated expiration: 2032-11-05

Abstract

The utility model discloses a be applied to optical inspection's measurement fixture, including measuring fixture, it has a plurality of fixed recesses according to the sequence arrangement subsection on the fixture to measure, both ends are equipped with the inclined plane around the fixed recess, fixed recess one side is equipped with the location baseline, the inboard bottom of fixed recess is equipped with magnet, fixed recess bilateral symmetry is equipped with the guide rail, the inside screw rod that is equipped with of guide rail, screw rod connection have the slider, the slider top links together with measurement fixture, the guide rail front end is equipped with the motor, motor output end and screw rod link together, have solved current measurement fixture in the product inspection process because the product is unmatched with the fixed recess of measuring the draw-in groove reason, cause the product dress card difficulty easily, fixed not firm problem, can lead to being surveyed the product and rock in the measurement process, influence the problem of measuring rate of accuracy.

Description

Measurement fixture applied to optical inspection

Technical Field

The utility model relates to an optical measurement technical field specifically is a be applied to optical inspection's measurement fixture.

Background

The optical image measuring instrument amplifies the measured object by an optical amplifying system, acquires the image characteristics by a CCD camera system and sends the image characteristics to a computer, and can efficiently detect the contour, the surface shape, the size, the angle and the position of various complex and precise parts, and perform microscopic detection and quality control. In the aspect of optical inspection of diamond compacts, the optical image measuring instrument currently used for measuring the product size is mainly used for detecting the external dimension and the chamfer angle of the product, and the traditional measuring method is to place the product in a fixing groove of a measuring fixture and then control an optical influence measuring instrument to measure the product. And because the product is unmatched with the fixed recess reason of measuring the draw-in groove in the product testing process, cause the product to adorn the card difficulty easily, fixed not firm problem, can lead to being surveyed the product and rock in the measurement process, influence the measuring rate of accuracy, consequently the applicant provides a measurement fixture who is applied to optical inspection to solve and appear measuring fixture and adorn the card difficulty and fixed not firm problem to the product in the testing process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to optical inspection's measurement fixture aims at improving current measurement fixture because the unmatched reason of product and measurement draw-in groove's fixed recess causes the product to adorn the card difficulty easily, fixed not firm problem in the product testing process, can lead to being surveyed the product and rock in the measurement process, influences the problem of measuring rate of accuracy.

The utility model discloses a realize like this:

the utility model provides a be applied to optical inspection's measurement fixture, including measuring fixture, it has a plurality of fixed recesses according to the sequence arrangement subsection on the fixture to measure, both ends are equipped with the inclined plane around the fixed recess, and fixed recess one side is equipped with the location baseline, the inboard bottom of fixed recess is equipped with magnet, and fixed recess bilateral symmetry is equipped with the guide rail, the inside screw rod that is equipped with of guide rail, the screw rod is connected with the slider, the slider top links together with measuring fixture, the guide rail front end is equipped with the motor, motor output end and screw rod link together. The measuring clamp is convenient for bearing the product, and further facilitates the detection of the product by the optical influence detector. The fixed recess conveniently places the product, and the inclined plane at both ends is convenient for hold and spacing not unidimensional product around the fixed recess. Magnet is convenient for adsorb the location to the product, makes things convenient for the product to stabilize inside fixed recess. The guide rail and the screw are matched to drive the sliding block conveniently, so that the sliding block can move conveniently to drive the measuring clamp to move. The motor is convenient for drive screw rod rotatory to make the screw rod can drive the slider and remove.

Preferably, the bottom surface of the fixed groove is provided with a mounting groove, and the front end surface and the rear end surface of the mounting groove are provided with guide grooves. The mounting groove is convenient for install magnet, and magnet can adjust its position in the mounting groove is inside.

Preferably, the guide way is convenient for cooperate magnet spacing to magnet, makes things convenient for the block that magnet can be stable inside the mounting groove, also makes things convenient for ferromagnetic stable to remove along the mounting groove. The top ends of the two sides of the measuring clamp are provided with connecting edges, and the connecting edges are provided with a plurality of counter bores. The matching of the connecting edge and the counter bore can ensure that the measuring clamp is connected together by utilizing the bolt and the sliding block.

Preferably, the magnet arc surface is symmetrically provided with telescopic grooves, limit plugs are arranged in the telescopic grooves, and the limit plugs and the telescopic grooves are connected together through telescopic springs. The flexible groove makes things convenient for the flexible of spacing plug to make things convenient for spacing plug card inside the guide way, make things convenient for the stability of magnet. The telescopic spring is convenient for the limit plug to automatically reset after not receiving extrusion force.

Preferably, the guide rail upper surface is equipped with the spout, and both ends are equipped with the bearing around the guide rail, and the screw rod is equipped with the inserting groove towards the one end of motor. The chute cooperates with the slider to move stably therein. The bearing is convenient for matching the screw rod to rotate. The inserting groove is convenient for connecting the output section of the motor with the screw rod.

Preferably, the bottom of one side surface of the guide rail facing the outside is provided with a fixing strip, and the fixing strip is provided with a plurality of fixing holes. The cooperation of fixed strip closes the fixed orifices, conveniently utilizes the bolt to fix the guide rail above optical image detects.

Preferably, the middle part of the sliding block is provided with a threaded hole, the top end of the sliding block is provided with a connecting plate, and the connecting plate is provided with a plurality of connecting grooves. The threaded hole facilitates the sliding block and the screw rod to be connected together in a threaded mode, and therefore the sliding block is conveniently driven to move through rotation of the screw rod. The cooperation of connecting plate and spread groove conveniently utilizes the bolt to link together measuring fixture and slider.

Compared with the prior art, the beneficial effects of the utility model are that: 1. through improving the structure of measuring fixture fixed groove, establish the inclined plane of certain angle with fixed recess front and back both ends face to the convenience just can be placed inside fixed groove to not unidimensional product, and is equipped with magnet bottom fixed groove. The product can be firmly fixed by the adsorption force generated by the magnet on the product, and the product is ensured not to shake in the detection process. 2. Through install guide rail, slider and motor complex structure additional in measuring fixture both sides, can drive whole measuring fixture and follow the guide rail round trip movement when the product can not be detected completely at the detection port of shadow influence detector conveniently, and then reach optics and influence the detector cooperation and measure fixture and can high efficiency detect the product.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the measuring fixture of the present invention;

FIG. 3 is a schematic view of a partially cut-away structure of the magnet of the present invention;

fig. 4 is a schematic structural view of the guide rail of the present invention;

fig. 5 is a schematic diagram of the slider structure of the present invention.

In the figure: 1. measuring a fixture; 11. fixing the groove; 12. mounting grooves; 13. a guide groove; 14. positioning a base line; 15. a connecting edge; 16. a counter bore; 2. a magnet; 21. a telescopic groove; 22. a limiting plug; 23. a tension spring; 3. a guide rail; 31. a chute; 32. a bearing; 33. a screw; 34. inserting grooves; 35. a fixing strip; 36. a fixing hole; 4. a slider; 41. a connecting plate; 42. a threaded hole; 43. connecting grooves; 5. an electric motor.

The specific implementation mode is as follows:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following further description is made with reference to the accompanying drawings and specific examples:

the utility model provides a be applied to optical inspection's measurement fixture, as shown in fig. 1, fig. 2 and fig. 4, including measuring fixture 1, it has a plurality of fixed recesses 11 to arrange the subsection according to the order on fixture 1, both ends are equipped with the inclined plane around fixed recess 11, and fixed recess 11 one side is equipped with location baseline 14, the inboard bottom of fixed recess 11 is equipped with magnet 2, and fixed recess 11 bilateral symmetry is equipped with guide rail 3, the inside screw rod 33 that is equipped with of guide rail 3, screw rod 33 is connected with slider 4, the slider 4 top links together with measuring fixture 1, the guide rail 3 front end is equipped with motor 5, the output of motor 5 links together with screw rod 33. The measuring clamp 1 is convenient for supporting the product, and further facilitates the detection of the product by the optical influence detector. Fixed recess 11 conveniently places the product, and the inclined plane at both ends is convenient for hold and spacing not unidimensional product around fixed recess 11. Magnet 2 is convenient for adsorb the location to the product, makes things convenient for the product to stabilize inside fixed recess 11. The matching of the guide rail 3 and the screw 33 is convenient for driving the sliding block 4, and further convenient for the sliding block 4 to move so as to drive the measuring clamp 1 to move. The motor 5 is convenient for driving the screw 33 to rotate, so that the screw 33 can drive the sliding block 4 to move.

As shown in fig. 2, the bottom surface of the fixing groove 11 is provided with a mounting groove 12, and the front and rear end surfaces of the mounting groove 12 are provided with guide grooves 13. The mounting groove 12 facilitates mounting of the magnet 2, and the position of the magnet 2 can be adjusted inside the mounting groove 12. Guide way 13 is convenient for cooperate magnet 2 spacing to magnet 2, makes things convenient for the block that magnet 2 can be stable inside mounting groove 12, also makes things convenient for ferromagnetic stable to remove along mounting groove 12. The top ends of the two sides of the measuring clamp 1 are provided with connecting edges 15, and the connecting edges 15 are provided with a plurality of counter bores 16. The cooperation of the connecting edge 15 and the counter bore 16 enables the measuring fixture 1 to be connected together by means of the bolted sliding block 4.

As shown in fig. 3, the magnet 2 is symmetrically provided with telescopic slots 21 on the circular arc surface, a limit plug 22 is arranged in the telescopic slot 21, and the limit plug 22 and the telescopic slots 21 are connected together through a telescopic spring 23. The telescopic slot 21 facilitates the telescopic movement of the limit plug 22, so that the limit plug 22 is convenient to be clamped in the guide slot 13, and the magnet 2 is convenient to be stable. The telescopic spring 23 facilitates the automatic resetting of the limit plug 22 after the limit plug is not subjected to extrusion force.

As shown in fig. 4, the upper surface of the guide rail 3 is provided with a sliding groove 31, the front and rear ends of the guide rail 3 are provided with bearings 32, and one end of the screw 33 facing the motor 5 is provided with an insertion groove 34. The runner 31 is engaged in the slider 4 for stable movement therein. Bearing 32 facilitates rotation of mating screw 33. The insertion groove 34 is convenient for connecting the output section of the motor 5 and the screw 33 together. The bottom of one side surface of the guide rail 3 facing the outside is provided with a fixing strip 35, and the fixing strip 35 is provided with a plurality of fixing holes 36. The cooperation of the fixing strip 35 and the fixing hole 36 facilitates the fixing of the guide rail 3 above the optical image detection by using bolts.

As shown in fig. 5, a threaded hole 42 is formed in the middle of the slider 4, a connecting plate 41 is formed at the top end of the slider 4, and a plurality of connecting grooves 43 are formed in the connecting plate 41. The threaded hole 42 facilitates the threaded connection of the sliding block 4 and the screw 33, so that the sliding block 4 can be conveniently driven to move by the rotation of the screw 33. The cooperation of the connecting plate 41 and the connecting groove 43 facilitates the use of bolts to connect the measuring fixture 1 and the slider 4 together.

The utility model discloses a theory of operation: when the product was carrying out optical detection, place the product in fixed recess 11 department, one side of product withstands location baseline 14, it is fixed to rely on the magnetic force of product below magnet 2 to adsorb the product, it rocks the influence testing result because inertia produces to have avoided the product in the testing process, lead to the condition of product retest, later alright detect the product with controlling optical image measuring apparatu, the in-process of detection can control motor 5 to drive and measure fixture 1 back-and-forth movement if optical image measuring apparatu's detection head can not carry out the omnidirectional detection to the product on measuring fixture 1, thereby reach the purpose of carrying out whole short-term test to the product on measuring fixture 1. Compare with current optical image measuring apparatu's measurement fixture 1, the utility model discloses a structure to measuring fixture 1 fixed recess 11 improves, establishes into the inclined plane of certain angle with fixed recess 11 front and back both ends face to the convenience just can be placed inside fixed recess 11 to unidimensional product, and is equipped with magnet 2 bottom fixed recess 11. The product can be firmly fixed by the adsorption force generated by the magnet 2 on the product, and the product is ensured not to shake in the detection process.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 be applied to optical inspection's measurement fixture, includes measurement fixture (1), it has a plurality of fixed recesses (11) according to the sequence arrangement subsection on fixture (1), its characterized in that, both ends are equipped with the inclined plane around fixed recess (11), fixed recess (11) one side is equipped with location baseline (14), fixed recess (11) inboard bottom is equipped with magnet (2), fixed recess (11) bilateral symmetry is equipped with guide rail (3), inside screw rod (33) that is equipped with of guide rail (3), screw rod (33) are connected with slider (4), slider (4) top links together with measurement fixture (1), guide rail (3) front end is equipped with motor (5), motor (5) output and screw rod (33) link together.

2. The measuring fixture for optical inspection according to claim 1, wherein the bottom surface of the fixing groove (11) is provided with a mounting groove (12), and the front end surface and the rear end surface of the mounting groove (12) are provided with guide grooves (13).

3. A measuring fixture for optical examinations according to claim 2 characterized in that the measuring fixture (1) is provided with connecting edges (15) at both top ends, and that the connecting edges (15) are provided with a number of counter bores (16).

4. The measuring clamp applied to optical inspection according to claim 1, wherein the magnet (2) is symmetrically provided with telescopic grooves (21) on the arc surface, a limit plug (22) is arranged in each telescopic groove (21), and the limit plug (22) and the telescopic grooves (21) are connected together through a telescopic spring (23).

5. A measuring fixture for optical examinations according to claim 1 characterized in that the upper surface of the guide rail (3) is provided with a slide groove (31), the front and back ends of the guide rail (3) are provided with bearings (32), and the end of the screw (33) facing the motor (5) is provided with a plug-in groove (34).

6. A measuring fixture for optical examinations according to claim 5, characterized in that the bottom of the side of the guide rail (3) facing outwards is provided with a fixing strip (35), and the fixing strip (35) is provided with a plurality of fixing holes (36).

7. Measuring fixture for optical examinations according to any one of claims 1-6, characterized in that the slider (4) is provided with a threaded hole (42) in the middle and a connection plate (41) at the top of the slider (4), said connection plate (41) being provided with a number of connection slots (43).