CN217303854U

CN217303854U - Vision measuring device based on double telecentric lens

Info

Publication number: CN217303854U
Application number: CN202221103949.0U
Authority: CN
Inventors: 黄忠辉; 陈威年; 黄鸿雁
Original assignee: Shenzhen Dehong Vision Technology Co ltd
Current assignee: Shenzhen Dehong Vision Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-08-26
Anticipated expiration: 2032-05-09

Abstract

The utility model relates to a vision measuring device technical field especially relates to a vision measuring device based on two telecentric mirror heads. It mainly can not stably install in the outer lane of camera lens to current device annular light source, and the camera lens uses the problem of highly inconvenient adjustment, proposes following technical scheme: the novel optical fiber laser lens installing device comprises a stand column, installation mechanism is installed to one side of stand column, installation mechanism is including the installation piece, installation hoop is installed to one side of installation piece, annular light source board is installed to the outer lane of installation hoop, two telecentric mirror head bodies are installed to installation hoop clamp. The utility model discloses novel structure is compact, and annular light source is located the outer lane of camera lens all the time, improves measuring stability and accuracy nature, and annular light source convenient to detach or installation, uses in a flexible way, and the measuring distance is convenient for adjust, and the rigidity of rigidity is high, is fit for stable accurate measurement and uses, mainly is applied to the visual measurement of mill's production line and laboratory.

Description

Vision measuring device based on double telecentric lens

Technical Field

The utility model relates to a vision measuring device technical field especially relates to a vision measuring device based on two telecentric mirror heads.

Background

Telecentric lenses are mainly designed for correcting the parallax of the traditional industrial lenses, the chief rays of the telecentric lenses are parallel to the light source of the lenses, object-side telecentric and image-side telecentric are respectively realized according to the classification design principle of telecentric light paths, and bilateral telecentric is a double function of integrating the object-side telecentric and the image-side telecentric and is used for better imaging effect and imaging precision in the fields of vision detection and measurement. A double telecentric lens is the most accurate type of telecentric lens because its field of view is completely unaffected by changes caused by changes in object position or sensor position. The market at present needs a high-precision measuring device which is convenient to move, suitable for factory production lines and laboratories and capable of quickly measuring; the patent CN205664783U provides a vision measuring device based on double telecentric lenses, and the parallel light source in the proposal fully ensures the authenticity of the outline projection of the object to be measured, and is suitable for rapid and high-precision measurement of small, special-shaped, flexible and other parts in industrial production fields and laboratories.

However, the device cannot be used for mounting and dismounting the light source, the annular light source cannot be stably mounted on the outer ring of the lens, and meanwhile, the adjustment stability of the use position of the lens is poor, so that the device cannot be suitable for measuring parts at different positions and distances; in view of this, we propose a vision measuring device based on a double telecentric lens.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the current device annular light source that exists can not stably be installed in the outer lane of camera lens among the background art, and the service position adjustment poor stability of camera lens simultaneously can not adapt to the spare part measuring problem of different positions and distance, provides a vision measuring device based on two telecentric mirror heads.

The technical scheme of the utility model: the utility model provides a vision measuring device based on two telecentric mirror heads, includes the stand, installation mechanism is installed to one side of stand, installation mechanism is including the installation piece, installation hoop is installed to one side of installation piece, annular light source board is installed to the outer lane of installation hoop, two telecentric mirror head bodies are installed to installation hoop clamp, one side of installation piece is equipped with the adjustment mechanism who installs in the stand, adjustment mechanism includes the cylinder, the output of cylinder is connected with the connecting rod, the locating lever is installed along its direction of height to one side of connecting rod, the rotation motor is installed to the bottom of connecting rod, the output of rotating the motor is connected with the rolling wheel.

Preferably, an installation cavity is formed in the stand column, one side of the air cylinder is detachably connected with the inner wall of the installation cavity, and a lifting hole formed in the stand column is formed in one side of the installation cavity.

Preferably, a guide rod is installed in the lifting hole, one side of the installation block is connected with a slide rod, a first through hole is formed in the slide rod, and the guide rod penetrates through the first through hole and is in sliding connection with the inner wall of the first through hole.

Preferably, the bottom of the first through hole is connected with a spring, the other end of the spring is connected with the inner wall of the bottom of the lifting hole, and the spring is sleeved on the outer ring of the guide rod.

Preferably, a positioning groove is formed in one side of the sliding rod, the positioning rod is installed in a manner of being matched with the positioning groove, a connecting belt is connected to the bottom of the sliding rod, and the other end of the connecting belt is fixedly coiled on the outer ring of the winding wheel.

Preferably, the installation hoop passes through bolted connection with the installation piece, the inner circle of installation hoop is connected with the outer lane chucking of two telecentric mirror head bodies, the outer lane fixedly connected with connector link of installation hoop, the inner circle fixedly connected with installation of annular light source board is detained.

Preferably, the mounting buckle is connected with the connecting buckle in an adaptive buckle mode, the mounting buckle is rotatably provided with a bolt, a threaded hole is formed in the connecting buckle, and the bolt is mounted with the threaded hole in an adaptive mode.

Preferably, the display screen is installed to one side of stand, top one side of stand is provided with the camera body that is located two telecentric mirror head body tops, the below of two telecentric mirror head bodies is provided with the loading board, parallel light source is installed to the below of loading board.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the utility model discloses a setting up of installation piece, installation hoop and annular light source board makes the stable outer lane of installing at the installation hoop of annular light source board when installing the inner circle at the installation hoop with two telecentric mirror head bodies, makes annular light source board be annular light source all the time and remain at the outer lane of two telecentric mirror head bodies all the time, provides the light source for the measurement of two telecentric mirror head bodies for guarantee the accuracy of measurement, through the setting up of connector link and installation buckle make annular light source board can with the operation such as installation hoop dismantlement separation maintenance change, the convenience in the use improves;

2. the utility model discloses a rolling pulling of installation piece one side installation is pulled in the setting of adjustment mechanism for the use height of two telecentric mirror head bodies is adjusted for the part of placing on the loading board, and through the setting of cylinder, connecting rod and locating lever, the height after the adjustment of slide bar is fixed, makes the use height of installation piece and installation hoop stable fixed, improves the flexibility of use and the stability after two telecentric mirror head bodies are adjusted;

3. to sum up, the utility model discloses novel structure is compact, and annular light source is located the outer lane of camera lens all the time, improves measuring stability and accuracy nature, and annular light source convenient to detach or installation, uses in a flexible way, and measuring distance is convenient for adjust, and the rigidity of rigidity is high, is fit for stable accurate measurement and uses.

Drawings

FIG. 1 is a front view of a vision measuring device based on a double telecentric lens;

FIG. 2 is a schematic view of the mounting block and annular light source plate of FIG. 1;

FIG. 3 is a schematic view of the exploded structure of FIG. 2;

fig. 4 is a schematic front view of a part of the structure of the column in fig. 1.

Reference numerals: 1. a column; 2. carrying a plate; 3. a collimated light source; 4. a camera body; 5. an installation mechanism; 51. mounting blocks; 52. installing a hoop; 53. a connecting buckle; 54. an annular light source plate; 55. installing a buckle; 56. a slide bar; 6. a double telecentric lens body; 7. an adjustment mechanism; 71. a cylinder; 72. a connecting rod; 73. positioning a rod; 74. rotating the motor; 75. a winding wheel; 76. a connecting belt; 77. a guide bar; 78. a spring; 8. and a display screen.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, the utility model provides a vision measuring device based on double telecentric lens, which comprises a column 1, a display screen 8 is installed on one side of the column 1, a camera body 4 positioned on the top of the double telecentric lens body 6 is arranged on one side of the top of the column 1, data connection is provided between the camera body 4 and the display screen 8, a bearing plate 2 is arranged below the double telecentric lens body 6, the bearing plate 2 is a transparent glass plate, a parallel light source 3 is installed below the bearing plate 2, an installation mechanism 5 is installed on one side of the column 1, the installation mechanism 5 comprises an installation block 51, an installation hoop 52 is installed on one side of the installation block 51, an annular light source plate 54 is installed on the outer ring of the installation hoop 52, the double telecentric lens body 6 is installed on the installation hoop 52 by a clamp, a clamping groove is arranged on the middle section position of the double telecentric lens body 6, the clamping groove is used for corresponding to the installation hoop 52, the installation hoop 52 is connected with the installation block 51 through a bolt, the inner ring of the installation hoop 52 is connected with the outer ring of the double-telecentric lens body 6 in a clamping manner, the outer ring of the installation hoop 52 is fixedly connected with a connecting buckle 53, the inner ring of the annular light source plate 54 is fixedly connected with an installation buckle 55, the installation buckle 55 is connected with the connecting buckle 53 in an adaptive manner, the installation buckle 55 is rotatably provided with a bolt, a threaded hole is formed in the connecting buckle 53, the bolt is mounted in an adaptive manner with the threaded hole, the connection tightness between the installation buckle 55 and the connecting buckle 53 is improved by the bolt and the threaded hole, one side of the installation block 51 is provided with an adjusting mechanism 7 installed in the upright post 1, the adjusting mechanism 7 comprises an air cylinder 71, the output end of the air cylinder 71 is connected with a connecting rod 72, one side of the connecting rod 72 is provided with a positioning rod 73 along the height direction, the bottom of the connecting rod 72 is provided with a rotating motor 74, and the output end of the rotating motor 74 is connected with a winding wheel 75.

Place the part of awaiting measuring in this embodiment at the central point position of loading board 2, through corresponding the draw-in groove of installing hoop 52 and two telecentric mirror head body 6 outer lanes, make between installation hoop 52 and the installation piece 51 with bolt installation, make two telecentric mirror head body 6 and the position installation of installation hoop 52, it corresponds the buckle with the connector link 53 of installation hoop 52 outer lane to buckle the installation of the installation buckle 55 of annular light source board 54 inner lane simultaneously, rotate the bolt and make the bolt correspond the installation with the screw hole in the connector link 53 simultaneously, it is stability to improve annular light source board 54 and the installation of hoop 52 installation, combine annular light source board 54 and the light source of parallel light source 3, make the data of two telecentric mirror head body 6 collections more accurate, shoot the image of two telecentric mirror head body 6 collections through camera body 4 and transmit to display screen 8 and handle, obtain required measurement size data.

Example two

As shown in fig. 1-4, compared with the first embodiment, the present invention further includes a stand column 1, a mounting cavity is formed in the stand column 1, a lifting hole formed on the stand column 1 is formed on one side of the mounting cavity, a guide rod 77 is installed in the lifting hole, an installation mechanism 5 is installed on one side of the stand column 1, the installation mechanism 5 includes an installation block 51, a slide rod 56 is connected to one side of the installation block 51, a first through hole is formed on the slide rod 56, the guide rod 77 penetrates through the first through hole and is slidably connected to an inner wall of the first through hole, the first through hole is used for providing a guide sliding space for the lifting movement of the slide rod 56 along the guide rod 77, a spring 78 is connected to the bottom of the first through hole, the other end of the spring 78 is connected to the inner wall of the bottom of the lifting hole, the spring 78 is sleeved on an outer ring of the guide rod 77, the spring 78 is used for providing a certain supporting force for the lifting movement of the slide rod 56, the installation hoop 52 is installed on one side of the installation block 51, the annular light source plate 54 is installed on the outer ring of the installation hoop 52, the double telecentric lens body 6 is installed on the installation hoop 52 in a clamping mode, the adjusting mechanism 7 installed in the upright post 1 is arranged on one side of the installation block 51, the adjusting mechanism 7 comprises an air cylinder 71, one side of the air cylinder 71 is detachably connected with the inner wall of the installation cavity through a bolt, the output end of the air cylinder 71 is connected with a connecting rod 72, a positioning rod 73 is installed on one side of the connecting rod 72 along the height direction of the connecting rod, a rotating motor 74 is installed at the bottom of the connecting rod 72, the output end of the rotating motor 74 is connected with a winding wheel 75, a positioning groove is formed in one side of the sliding rod 56, the positioning rod 73 is installed in a matching mode with the positioning groove, the position of the sliding rod 56 is clamped and fixed, the bottom of the sliding rod 56 is connected with a connecting belt 76, the other end of the connecting belt 76 is fixedly coiled and connected to the outer ring of a winding wheel 75, and the rotating motor 74 is a forward and reverse rotating motor.

In this embodiment, when the usage height of the double telecentric lens body 6 is adjusted, the adjusting mechanism 7 is started, the output end of the air cylinder 71 is pushed, so that the connecting rod 72 and the positioning rod 73 move to the side away from the sliding rod 56, the positioning rod 73 is separated from the positioning groove, at this time, the rotating motor 74 starts the output end to rotate the winding wheel 75, so that the winding wheel 75 rotates and winds the connecting band 76, the sliding rod 56 is pulled while the connecting band 76 is wound, so that the sliding rod 56 is pulled downwards through the guidance of the first through hole and the guide rod 77, the spring 78 receives the compression deformation of the sliding rod 56, the output end of the air cylinder 71 is pulled after reaching the adjustment position, the positioning rod 73 is correspondingly installed with the positioning groove at one end of the sliding rod 56, the height of the sliding rod 56 is clamped and fixed, so that the height of the sliding rod 56 is fixed, thereby the usage height of the double telecentric lens body 6 is fixed, and the adjustment is convenient and quick, the height of the double telecentric lens body 6 is increased, and the height of the slide bar 56 is rebounded and lifted by combining the spring 78 through unreeling of the winding wheel 75.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a vision measuring device based on two telecentric mirror heads, includes stand (1), its characterized in that: installation mechanism (5) are installed to one side of stand (1), installation mechanism (5) are including installation piece (51), installation hoop (52) is installed to one side of installation piece (51), annular light source board (54) are installed to the outer lane of installation hoop (52), two telecentric lens bodies (6) are installed to installation hoop (52) clamp, one side of installation piece (51) is equipped with adjustment mechanism (7) of installing in stand (1), adjustment mechanism (7) include cylinder (71), the output of cylinder (71) is connected with connecting rod (72), locating lever (73) are installed along its direction of height to one side of connecting rod (72), rotation motor (74) are installed to the bottom of connecting rod (72), the output of rotating motor (74) is connected with wind-up wheel (75).

2. The vision measuring device based on the double telecentric lens according to the claim 1, wherein a mounting cavity is formed in the upright post (1), one side of the cylinder (71) is detachably connected with the inner wall of the mounting cavity, and one side of the mounting cavity is provided with a lifting hole formed on the upright post (1).

3. The vision measuring device based on the double-telecentric lens system according to claim 2, wherein a guide rod (77) is installed in the lifting hole, a slide rod (56) is connected to one side of the installation block (51), a first through hole is formed in the slide rod (56), and the guide rod (77) penetrates through the first through hole and is slidably connected with an inner wall of the first through hole.

4. The vision measuring device based on the double telecentric lens system according to claim 3, wherein a spring (78) is connected to the bottom of the first through hole, the other end of the spring (78) is connected to the inner wall of the bottom of the lifting hole, and the spring (78) is sleeved on the outer ring of the guide rod (77).

5. The vision measuring device based on the double-telecentric lens system according to claim 3, wherein a positioning groove is formed in one side of the sliding rod (56), the positioning rod (73) is installed in a manner of being matched with the positioning groove, a connecting band (76) is connected to the bottom of the sliding rod (56), and the other end of the connecting band (76) is fixedly coiled on an outer ring of the winding wheel (75).

6. The vision measuring device based on the double telecentric lens system according to the claim 1, wherein the mounting hoop (52) is connected with the mounting block (51) through a bolt, the inner ring of the mounting hoop (52) is connected with the outer ring of the double telecentric lens system body (6) in a clamping manner, the outer ring of the mounting hoop (52) is fixedly connected with a connecting buckle (53), and the inner ring of the annular light source plate (54) is fixedly connected with a mounting buckle (55).

7. The vision measuring device based on the double telecentric lens system according to claim 6, wherein the mounting buckle (55) is in adaptive snap connection with the connecting buckle (53), a bolt is rotatably mounted on the mounting buckle (55), a threaded hole is formed in the connecting buckle (53), and the bolt is in adaptive installation with the threaded hole.

8. The vision measuring device based on the double telecentric lens system according to the claim 1, wherein a display screen (8) is installed on one side of the upright column (1), a camera body (4) is installed on one side of the top of the upright column (1), a bearing plate (2) is installed below the double telecentric lens body (6), and a parallel light source (3) is installed below the bearing plate (2).