CN218646264U

CN218646264U - Measuring instrument

Info

Publication number: CN218646264U
Application number: CN202222597487.9U
Authority: CN
Inventors: 庞文明; 黄雄毅
Original assignee: Dongguan Unimetro Sunnyoo Precision Machinery Co ltd
Current assignee: Dongguan Unimetro Sunnyoo Precision Machinery Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-17
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a measuring instrument, include the base and install the moving platform on the base, carry out measuring detection mechanism to the article on the moving platform, detection mechanism includes the camera module and installs the surface light source, the backlight of setting in the base at the camera module lower extreme, the camera module passes through the flat board and installs on elevating system to be connected with the base through elevating system. The device's surface light source is through semi-transparent half mirror refraction with light to evenly shine on the surface of being surveyed the product, make illumination intensity even relatively, improve the definition of image, the backlight passes through a astigmatism section of thick bamboo with the light homodisperse back of a lamp section of thick bamboo, shines on being surveyed the product through the refractor again, with the profile image that shows being surveyed the product, makes the measurement more accurate. The mobile platform is used for adjusting the position of the measured product through the transverse adjusting assembly and the longitudinal adjusting assembly, and the lifting mechanism controls the camera assembly to control the light source and the focal length and improve the measurement effect of the measured product.

Description

Measuring instrument

Technical Field

The utility model relates to an image measuring instrument technical field specifically is a measuring apparatu.

Background

The image measuring instrument is popularized and applied in recent years, and image processing analysis and detection are carried out on a measured product by utilizing comprehensive subject technologies such as a sensor technology, an electronic technology, a software technology, optical CCD imaging and the like, so that uncertain influences of human factors on the product are effectively avoided, and the detection accuracy is improved. The existing image measuring instrument generally adopts an annular light source or a plurality of groups of light sources are added on the side edge, the illumination intensity is not uniform, the most clear image cannot be observed normally due to a plurality of characteristics of the product, and the measuring effect and the measuring precision are influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide a measuring instrument to solve the problems in the background art.

The utility model discloses the technical problem who solves adopts following technical scheme to realize: a measuring instrument comprises a base, a moving platform arranged on the base and a detection mechanism for measuring an article on the moving platform, wherein the detection mechanism comprises a camera component, a surface light source arranged at the lower end of the camera component and a backlight source arranged in the base, the camera component is arranged on a lifting mechanism through a flat plate and is connected with the base through the lifting mechanism, one side of the surface light source is fixedly connected with the flat plate through a support plate, the upper end and the lower end of the surface light source are provided with lenses corresponding to the camera component, the side end of the surface light source is provided with a lamp group, a semi-transparent and semi-reflective mirror is arranged between the two lenses of the surface light source so as to uniformly irradiate light on a measured product, the outer side end of the lamp group is provided with a heat dissipation plate, the backlight source comprises a light chamber, a lamp cylinder and a light diffusion cylinder which are arranged on one side of the light chamber and a refractor arranged in the light chamber so as to uniformly irradiate the light on the measured product, so that the camera component can accurately display the outline of the measured product, a transparent glass plate for placing the measured product is arranged on the moving platform, and the lower end of the transparent glass plate is of the moving platform is of the hollow structure.

As a further aspect of the utility model:

elevating system includes the riser and installs the lift seat in the riser upper end, the guide rail is installed to the outer end both sides of lift seat, and slidable mounting has the lifter plate on the guide rail, install first screw rod in the middle of the lift seat, threaded connection has first swivel nut on the first screw rod, first swivel nut one side and lifter plate fixed connection, and the upper end and the first motor drive of first screw rod are connected to it is rotatory to control first screw rod, dull and stereotyped one side fixed mounting is on the lifter plate to drive the subassembly lift removal of making a video recording through elevating system.

The camera shooting assembly comprises a camera and a zoom lens arranged at the lower end of the camera, and the surface light source is arranged at the lower end of the zoom lens.

As a further aspect of the present invention:

grating chi is installed to one side of lifter plate, and spacing sensor is installed to the opposite side, and grating chi is used for detecting the displacement distance of lifter plate, and the lifter plate corresponds spacing sensor and is equipped with the tablet, and spacing sensor is through detecting the tablet for the removal scope of restriction lifter plate.

As a further aspect of the utility model:

the mobile platform comprises a bottom plate, a laminate and a panel, wherein the laminate is slidably mounted on the bottom plate, the panel is slidably mounted on the laminate, the middle of the bottom plate, the laminate and the panel is of a hollow structure, a transparent glass plate is mounted at the upper end of the panel, one side of the laminate is connected with a transverse adjusting assembly through a first connecting plate, and one side of the panel is connected with a longitudinal adjusting assembly through a second connecting plate, so that a detected product on the transparent glass plate is subjected to position adjustment.

As a further aspect of the present invention:

the plywood is close to horizontal adjusting part one side and is equipped with the grating chi, and the panel is close to one side of vertical adjusting part and also is equipped with the grating chi for detect displacement distance, horizontal adjusting part includes second motor and the second screw rod of being connected with the second motor drive, and threaded connection has the second swivel nut on the second screw rod, first connecting plate fixed mounting is on the second swivel nut.

As a further aspect of the present invention:

the longitudinal adjusting component and the transverse adjusting component are consistent in structure.

Compared with the prior art, the beneficial effects of the utility model are that: the device's surface light source is through semi-transparent half mirror refraction with light to evenly shine on the surface of being surveyed the product, make illumination intensity even relatively, improve the definition of image, the backlight passes through a astigmatism section of thick bamboo with the light homodisperse back of a lamp section of thick bamboo, shines on being surveyed the product through the refractor again, with the profile image that shows being surveyed the product, makes the measurement more accurate. The mobile platform is used for adjusting the position of the measured product through the transverse adjusting assembly and the longitudinal adjusting assembly, and the lifting mechanism controls the camera shooting assembly to control the light source and the focal length and improve the measuring effect of the measured product.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the scraping structure of the present invention;

fig. 3 is a schematic structural view of the lifting mechanism of the present invention;

fig. 4 is a schematic structural view of the mobile platform of the present invention;

the following are marked in the figure: 1. a base; 2. a mobile platform; 3. a detection mechanism; 4. a surface light source; 5. a backlight source; 6. a lateral adjustment assembly; 7. a longitudinal adjustment assembly; 21. a transparent glass plate; 22. a base plate; 23. laminating the board; 24. a panel; 25. a first connecting plate; 26. a second connecting plate; 30. a first motor; 31. a camera assembly; 32. a flat plate; 33. a support plate; 34. a vertical plate; 35. a lifting seat; 36. a guide rail; 37. a lifting plate; 38. a first screw; 39. a first threaded sleeve; 41. a lamp group; 42. a semi-transparent semi-reflective mirror; 43. a heat dissipation plate; 51. an optical chamber; 52. a lamp barrel; 53. a light scattering cylinder; 54. a refractor; 61. a second motor; 62. a second screw; 63. a second threaded sleeve.

Detailed Description

In order to make the realization technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figure below.

As shown in figures 1 to 4 of the drawings,

the embodiment provides a measuring instrument, which comprises a base 1, a moving platform 2 installed on the base 1, and a detection mechanism 3 for measuring an article on the moving platform 2, wherein the detection mechanism 3 comprises a camera component 31, a surface light source 4 installed at the lower end of the camera component 31, and a backlight 5 arranged in the base 1, the camera component 31 is installed on a lifting mechanism through a flat plate 32 and is connected with the base 1 through the lifting mechanism, one side of the surface light source 4 is fixedly connected with the flat plate 32 through a support plate 33, the upper end and the lower end of the surface light source 4 are provided with lenses corresponding to the camera component 31, the side end of the surface light source 4 is provided with a lamp group 41, the surface light source 4 is arranged between the two lenses and is provided with a half-reflecting mirror 42 for uniformly irradiating light on a measured product, the outer side end of the lamp group 41 is provided with a heat dissipation plate 43, the backlight 5 comprises a light chamber 51, a lamp cylinder 52 and an astigmatism cylinder 53 installed at one side of the light chamber 51, and a hollow refraction mirror 54 arranged in the light chamber 51 for uniformly irradiating light on the measured product, so that the camera component 31 can accurately display the outline of the measured product, the moving platform 2, and the glass moving platform 2 is provided with a transparent glass moving plate 21, and the transparent glass moving platform 21.

Specifically, surface light source 4 refracts light through half-transmitting half-reflecting mirror 42 to evenly shine on the surface of being surveyed the product, make illumination intensity even relatively, improve the definition of image, backlight 5 passes through a diffuser 53 with the light homodisperse back of a lamp section of thick bamboo 52, shines on being surveyed the product through refractor 54 again, with the profile image of showing being surveyed the product, makes to measure more accurately.

In this embodiment, elevating system includes riser 34 and installs the lift seat 35 in riser 34 upper end, guide rail 36 is installed to the outer end both sides of lift seat 35, and slidable mounting has lifter plate 37 on guide rail 36, install first screw rod 38 in the middle of the lift seat 35, threaded connection has first swivel nut 39 on the first screw rod 38, first swivel nut 39 one side and lifter plate 37 fixed connection, and the upper end and the first motor 30 transmission of first screw rod 38 are connected to control first screw rod 38 rotatory, dull and stereotyped 32 one side fixed mounting is on lifter plate 37 to drive camera component 31 lift removal through elevating system. The camera assembly 31 includes a camera and a zoom lens installed at a lower end of the camera, and the surface light source 4 is installed at a lower end of the zoom lens. Grating chi is installed to one side of lifter plate 37, and spacing sensor is installed to the opposite side, and the grating chi is used for detecting lifter plate 37's displacement distance, and lifter plate 37 corresponds spacing sensor and is equipped with the tablet, and spacing sensor is through detecting the tablet for restriction lifter plate 37's moving range.

In this embodiment, the mobile platform 2 includes a bottom plate 22, a layer plate 23 slidably mounted on the bottom plate 22, and a panel 24 slidably mounted on the layer plate 23, the middle of the bottom plate 22, the layer plate 23, and the panel 24 is a hollow structure, the transparent glass plate 21 is mounted on the upper end of the panel 24, one side of the layer plate 23 is connected to the transverse adjusting assembly 6 through a first connecting plate 25, and one side of the panel 24 is connected to the longitudinal adjusting assembly 7 through a second connecting plate 26, so that the position of the product to be measured on the transparent glass plate 21 is adjusted. The plywood 23 is equipped with the grating chi near horizontal adjusting part 6 one side, and the panel 24 also is equipped with the grating chi near one side of vertical adjusting part 7 for detect displacement distance, horizontal adjusting part 6 includes second motor 61 and the second screw rod 62 of being connected with the transmission of second motor 61, and threaded connection has second swivel nut 63 on the second screw rod 62, first connecting plate 25 fixed mounting is on second swivel nut 63. The longitudinal adjusting assembly 7 is consistent with the structure of the transverse adjusting assembly 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof. It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a measuring apparatu, includes the base and installs moving platform on the base, carries out measuring detection mechanism to the article on the moving platform, its characterized in that: the detection mechanism comprises a camera shooting assembly, a surface light source and a backlight source, wherein the surface light source is arranged at the lower end of the camera shooting assembly, the backlight source is arranged in the base, the camera shooting assembly is arranged on a lifting mechanism through a flat plate and is connected with the base through the lifting mechanism, one side of the surface light source is fixedly connected with the flat plate through a support plate, the upper end and the lower end of the surface light source correspond to the camera shooting assembly and are provided with lenses, the side end of the surface light source is provided with a lamp group, a semi-transparent and semi-reflective mirror is arranged between the two lenses of the surface light source so as to uniformly irradiate light on a detected product, the outer side end of the lamp group is provided with a heat dissipation plate, the backlight source comprises a light chamber, a lamp barrel, a light diffusion barrel and a refractor, the lamp barrel is arranged on one side of the light chamber, the refractor is arranged in the light chamber so as to uniformly irradiate the light on the detected product, so that the camera shooting assembly can accurately display the outline of the detected product, the transparent glass plate is arranged on the moving platform, and the lower end of the transparent glass plate is of the moving platform is of a hollow structure.

2. A meter as claimed in claim 1, wherein: elevating system includes the riser and installs the lift seat in the riser upper end, the guide rail is installed to the outer end both sides of lift seat, and slidable mounting has the lifter plate on the guide rail, install first screw rod in the middle of the lift seat, threaded connection has first swivel nut on the first screw rod, first swivel nut one side and lifter plate fixed connection, and the upper end and the first motor drive of first screw rod are connected to it is rotatory to control first screw rod, dull and stereotyped one side fixed mounting is on the lifter plate to drive the subassembly lift removal of making a video recording through elevating system.

3. A meter as claimed in claim 2, wherein: the camera shooting assembly comprises a camera and a zoom lens arranged at the lower end of the camera, and the surface light source is arranged at the lower end of the zoom lens.

4. A meter as claimed in claim 2, wherein: grating chi is installed to one side of lifter plate, and spacing sensor is installed to the opposite side, and grating chi is used for detecting the displacement distance of lifter plate, and the lifter plate corresponds spacing sensor and is equipped with the tablet, and spacing sensor is through detecting the tablet for the range of motion of restriction lifter plate.

5. A meter as claimed in claim 1, wherein: the mobile platform comprises a bottom plate, a laminate and a panel, wherein the laminate is slidably mounted on the bottom plate, the panel is slidably mounted on the laminate, the middle of the bottom plate, the laminate and the panel is of a hollow structure, a transparent glass plate is mounted at the upper end of the panel, one side of the laminate is connected with a transverse adjusting assembly through a first connecting plate, and one side of the panel is connected with a longitudinal adjusting assembly through a second connecting plate so that a product to be measured on the transparent glass plate can be subjected to position adjustment.

6. A meter as claimed in claim 5, wherein: the plywood is close to horizontal adjusting part one side and is equipped with the grating chi, and the panel is close to one side of vertical adjusting part and also is equipped with the grating chi for detect displacement distance, horizontal adjusting part includes second motor and the second screw rod of being connected with the second motor drive, and threaded connection has the second swivel nut on the second screw rod, first connecting plate fixed mounting is on the second swivel nut.

7. A meter as claimed in claim 6, wherein: the longitudinal adjusting component and the transverse adjusting component are consistent in structure.