CN213140412U

CN213140412U - Circumference detection device for cylindrical object

Info

Publication number: CN213140412U
Application number: CN202021572789.5U
Authority: CN
Inventors: 郁彬; 于洋; 周佳
Original assignee: Kunshan Aodelu Automation Technology Co ltd
Current assignee: Kunshan Aodelu Automation Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-07
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to the technical field of detection of columnar products, and discloses a circumference detection device for cylindrical objects, which comprises a conveying mechanism, an image acquisition mechanism and a driving mechanism, wherein the conveying mechanism is configured to convey a plurality of cylindrical objects simultaneously; the image acquisition mechanism is configured to continuously photograph a plurality of the cylindrical objects conveyed therebelow; the driving mechanism is configured to drive a plurality of cylindrical objects located below the image acquisition mechanism to rotate continuously for one circle. Utilize a plurality of cylindrical objects that are located image acquisition mechanism below of actuating mechanism drive to rotate a week in succession, by the continuous picture of image acquisition mechanism to a plurality of cylindrical objects of rotation to thereby splice the picture of shooing and obtain the circumference expansion image of cylindrical object, avoided the dead angle position that can not shoot in the testing process, and detection efficiency and precision are high.

Description

Circumference detection device for cylindrical object

Technical Field

The utility model relates to a detection technology field of column product especially relates to a circumference detection device of cylindrical object.

Background

At present, the circumference detection method for rod products such as bearings, rollers and the like generally arranges laser detection equipment on a production line, and detects the circumference of each cylindrical finished product produced on the production line by using laser. However, laser detection equipment is structurally complex and not easy to install, and after long-time use, looseness may occur between parts of the laser detection equipment, and since laser is sensitive, when the position of the laser detection equipment changes, the detection precision of the circumference of a bar can be influenced, and meanwhile, when a cylindrical object is conveyed, the object needs to be manually rotated for one circle to be detected, so that the precision of a manual rotation mode is low, a detection dead angle can be caused, and the detection efficiency is also low.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a novel cylindrical object circumference detection device, so that the device has industrial application value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circumference detection device of cylindrical object can detect the circumference of cylindrical object high-efficiently and accurately.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a circumference detection device of cylindrical object, includes conveying mechanism, image acquisition mechanism and actuating mechanism, wherein:

the conveying mechanism is configured to convey a plurality of the cylindrical objects simultaneously;

the image acquisition mechanism is configured to continuously photograph a plurality of the cylindrical objects conveyed therebelow;

the driving mechanism is configured to drive a plurality of cylindrical objects located below the image acquisition mechanism to rotate continuously for one circle.

As a preferable scheme of the circumference detecting device for a cylindrical object, the conveying mechanism includes two parallel chains, a plurality of rollers rotatably connecting the two chains, and a first driving assembly driving the two chains to rotate, and a distance between two adjacent rollers is smaller than an outer diameter of the cylindrical object.

As a preferable solution of the above circular cylindrical object circumference detecting device, the first driving assembly includes two sprocket seats respectively in transmission connection with the two corresponding ends of the two chains, and a servo motor in transmission connection with one of the sprocket seats.

As a preferable solution of the above circular detecting device for cylindrical objects, the driving mechanism includes a supporting base, a plurality of idle wheels rotatably connected to the supporting base and distributed in parallel, and a second driving assembly for driving each idle wheel to drive a plurality of rollers located above the idle wheel to rotate.

As a preferable embodiment of the circumference detecting device for cylindrical objects, the supporting seat is provided with a plurality of connecting grooves corresponding to two ends of each idle wheel, the connecting grooves are provided with connecting shafts, the connecting shafts are sleeved with springs, a shaft rod is connected between the two opposite connecting shafts, two ends of the shaft rod are connected with the two corresponding springs, and the idle wheel is rotatably connected to the shaft rod.

As a preferable scheme of the circumference detection device for the cylindrical object, the second driving assembly includes a speed-regulating motor and a driving wheel in transmission connection with the speed-regulating motor, the driving wheel is in transmission connection with a driven wheel through a circular belt, and the circular belt presses against the idle wheels.

As a preferable embodiment of the above circular detection device for a cylindrical object, the image capturing mechanism includes a bracket located at a side of the chain, a CCD camera and a light source arranged on the bracket from top to bottom.

As a preferable mode of the above circular cylindrical object circumference detecting device, the light source includes a first light source and a second light source which are sequentially arranged from top to bottom, an irradiation angle of the second light source can cover a plurality of cylindrical objects to be detected, and the first light source is configured to compensate for the second light source.

As a preferable mode of the above-described circumference detecting device for a cylindrical object, the CCD camera, the first light source, and the second light source are movable in a height direction of the carriage.

As a preferable mode of the above-mentioned circumference detecting device for cylindrical objects, it further includes a positioning component configured to define a position of each of the cylindrical objects on each of the rollers.

The utility model has the advantages that: utilize a plurality of cylindrical objects that are located image acquisition mechanism below of actuating mechanism drive to rotate a week in succession, by the continuous picture of image acquisition mechanism to a plurality of cylindrical objects of rotation to thereby splice the picture of shooing and obtain the circumference expansion image of cylindrical object, avoided the dead angle position that can not shoot in the testing process, and detection efficiency and precision are high.

Drawings

Fig. 1 is a schematic structural diagram of a circumference detection device for a cylindrical object according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a driving mechanism in a circumference detecting device for a cylindrical object according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an image capturing mechanism in a circumference detecting device for a cylindrical object according to an embodiment of the present invention.

In the figure: 100-conveying mechanism, 110-chain, 120-roller, 130-chain wheel seat, 140-servo motor, 200-image acquisition mechanism, 210-bracket, 220-CCD camera, 231-first light source, 232-second light source, 300-driving mechanism, 310-supporting seat, 311-connecting groove, 312-connecting shaft, 313-spring, 314-shaft rod, 320-idle wheel, 330-speed regulating motor, 340-driving wheel, 350-round belt, 360-driven wheel, 400-cylindrical object and 500-baffle.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 3, the circumference detecting device for a cylindrical object of the present invention includes a conveying mechanism 100, an image acquiring mechanism 200, and a driving mechanism 300. Wherein the conveying mechanism 100 is configured to convey a plurality of cylindrical objects 400 simultaneously; the image taking mechanism 200 is configured to take continuous photographs of the plurality of cylindrical objects 400 conveyed therebelow; the driving mechanism 300 is configured to drive a plurality of cylindrical objects 400 located below the image capturing mechanism 200 to rotate continuously for one revolution. Utilize actuating mechanism 300 drive a plurality of cylindrical object 400 that are located image acquisition mechanism 200 below to rotate a week in succession, by image acquisition mechanism 200 take a picture in succession a plurality of cylindrical object 400 of rotation to thereby splice the photograph of taking and obtain cylindrical object 400's circumference expansion image, avoided the dead angle position that can not shoot in the testing process, and detection efficiency and precision are high.

Specifically, the conveying mechanism 100 includes two parallel chains 110, a plurality of rollers 120 rotatably connecting the two chains 110, and a first driving assembly for driving the two chains 110 to rotate, and a distance between two adjacent rollers 120 is smaller than an outer diameter of the cylindrical object 400. The utility model discloses in, two chains 110 all are the annular setting, and each gyro wheel 120 evenly distributed is between two chains 110, and chain 110 moves around the annular route, drives each gyro wheel 120 and removes to the cylindrical object 400 of placing on gyro wheel 120 of drive removes. In this embodiment, every three cylindrical objects 400 are grouped into one group, and the feeding, the detecting and the discharging are performed simultaneously.

In addition, the first driving assembly includes two chain wheel holders 130 respectively in driving connection with the two corresponding ends of the two chains 110 and a servo motor 140 in driving connection with one of the chain wheel holders 130. That is, the sprocket of the sprocket seat 130 is engaged with the chain 110, and the servo motor 140 drives the sprocket to rotate, so that the chain 110 can move around the circular path.

In order to make the driving mechanism 300 be able to drive the 3 cylindrical objects 400 at the corresponding positions to rotate around their respective axes for a circle, the driving mechanism 300 of the present invention includes a supporting base 310, a plurality of idlers 320 rotatably connected to the supporting base 310 and distributed in parallel, and a second driving assembly for driving each idler 320 to drive the plurality of rollers 120 above the second driving assembly. Specifically, a plurality of connecting grooves 311 corresponding to two ends of each idler wheel 320 are arranged on the supporting seat 310, the connecting grooves 311 are provided with connecting shafts 312, the connecting shafts 312 are sleeved with springs 313, a shaft rod 314 is connected between two opposite connecting shafts 312, two ends of the shaft rod 314 are connected with the two corresponding springs 313, and the idler wheels 320 are rotatably connected to the shaft rod 314; the second driving assembly comprises a speed regulating motor 330 and a driving wheel 340 in transmission connection with the speed regulating motor 330, the driving wheel 340 is in transmission connection with a driven wheel 360 through a round belt 350, and the round belt 350 abuts against each idle wheel 320. The cylindrical object 400 is conveyed to the lower part of the image acquisition mechanism 200 through the chain 110, the idler 320 on the driving structure 300 below the chain 110 is jacked up through the spring 313 and pressed with the roller 120 on the chain 110, the friction force between the roller 120 and the idler 320 is enhanced through the round belt 350, the speed regulating motor 330 is started, the round belt 350 drives the roller 120 and the idler 320 to rotate, so that the cylindrical object 400 on the roller 120 is driven to rotate, and the rotating speed of the speed regulating motor 330 is controlled to ensure that the cylindrical object 400 continuously rotates for one circle. Of course, when the adjustable speed motor 330 is in operation, the servo motor 140 stops operating until the cylindrical object 400 rotates for one circle continuously, the servo motor 140 continues to start, and the adjustable speed motor 330 stops operating.

The image capturing mechanism 200 of the present invention includes a bracket 210 located at the side of the chain 110, a CCD camera 220 and a light source arranged on the bracket 210 from top to bottom. Specifically, the light source includes a first light source 231 and a second light source 232 arranged in sequence from top to bottom, the illumination angle of the second light source 232 can cover the plurality of cylindrical objects 400 to be detected, and the first light source 231 is configured to compensate the second light source 232. In order to facilitate the adjustment of the positions of the CCD camera 220 and the light source, the CCD camera 220 can photograph the cylindrical object 400 at the optimal position, and the CCD camera 220, the first light source 231 and the second light source 232 can move along the height direction of the bracket 210. It is a common technical means to provide the CCD camera 220, the first light source 231 and the second light source 232 as movable structures, and the detailed description thereof is omitted.

As a preferred embodiment of the present invention, the circumference detecting device of the cylindrical object further includes a positioning component, the positioning component is configured to limit the position of each cylindrical object 400 on each roller 120, and prevent each cylindrical object 400 from shifting during the transportation of each cylindrical object 400, which affects the photographing detection or the blanking. Specifically, the locating component includes the relative baffle 500 that sets up of multiunit, and when the off tracking in cylindrical object 400 position, the baffle 500 that corresponds can be kept out with the tip contact of cylindrical object 400.

To sum up, the utility model discloses a circumference detection device of cylindrical object can detect the circumference of cylindrical object high-efficiently and accurately.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A circumference detecting apparatus of a cylindrical object, comprising a conveying mechanism (100), an image acquiring mechanism (200), and a driving mechanism (300), wherein:

the conveying mechanism (100) is configured to convey a plurality of the cylindrical objects (400) simultaneously;

the image acquisition mechanism (200) is configured to take a continuous photograph of the plurality of cylindrical objects (400) conveyed therebelow;

the driving mechanism (300) is configured to drive a plurality of cylindrical objects (400) located below the image acquisition mechanism (200) to rotate continuously for one circle.

2. The cylindrical object circumference detecting device according to claim 1, wherein the conveying mechanism (100) comprises two parallel chains (110), a plurality of rollers (120) rotatably connecting the two chains (110), and a first driving assembly for driving the two chains (110) to rotate, and a distance between two adjacent rollers (120) is smaller than an outer diameter of the cylindrical object (400).

3. The cylindrical object circumference detecting device according to claim 2, wherein the first driving assembly comprises two sprocket seats (130) respectively in transmission connection with the two corresponding ends of the two chains (110) and a servo motor (140) in transmission connection with one of the sprocket seats (130).

4. The cylindrical object circumference detecting apparatus according to claim 2, wherein the driving mechanism (300) comprises a supporting base (310), a plurality of idle wheels (320) rotatably connected to the supporting base (310) and distributed in parallel, and a second driving assembly for driving each idle wheel (320) to rotate a plurality of rollers (120) located above the idle wheel.

5. The circumference detection device of a cylindrical object according to claim 4, wherein the supporting seat (310) is provided with a plurality of connecting grooves (311) respectively corresponding to two ends of each idle wheel (320), each connecting groove (311) is provided with a connecting shaft (312), each connecting shaft (312) is sleeved with a spring (313), a shaft lever (314) is connected between two opposite connecting shafts (312), two ends of each shaft lever (314) are respectively connected with two corresponding springs (313), and the idle wheels (320) are rotatably connected with the shaft levers (314).

6. The cylindrical object circumference detecting device according to claim 4, wherein the second driving assembly comprises an adjustable speed motor (330) and a driving wheel (340) in transmission connection with the adjustable speed motor (330), the driving wheel (340) is in transmission connection with a driven wheel (360) through a circular belt (350), and the circular belt (350) presses against each idle wheel (320).

7. The circumferential detecting apparatus of a cylindrical object according to claim 2, wherein the image capturing mechanism (200) comprises a bracket (210) located at a side of the chain (110), a CCD camera (220) disposed at the bracket (210) from top to bottom, and a light source.

8. The cylindrical object circumference detecting device according to claim 7, wherein the light source comprises a first light source (231) and a second light source (232) arranged in sequence from top to bottom, the second light source (232) has an illumination angle capable of covering a plurality of cylindrical objects (400) to be detected, and the first light source (231) is configured to compensate the second light source (232).

9. The cylindrical object circumference detecting apparatus according to claim 8, wherein the CCD camera (220), the first light source (231) and the second light source (232) are movable in a height direction of the support (210).

10. The cylindrical object circumference detection apparatus according to any of claims 2-9, further comprising a positioning assembly configured to define a position of each cylindrical object (400) on each roller (120).