CN215784999U

CN215784999U - All-round nut detection device

Info

Publication number: CN215784999U
Application number: CN202122301499.8U
Authority: CN
Inventors: 宋德旺; 李红达; 孙萍
Original assignee: Tianjin Ronnietech Technology Co ltd
Current assignee: Tianjin Ronnietech Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-11
Anticipated expiration: 2031-09-23

Abstract

The utility model provides an all-round nut detection device, which comprises two groups of rotary tables, wherein the two groups of rotary tables are connected through a turnover mechanism, a visual detection machine is arranged above the two groups of rotary tables, a nut can fall from the rotary table to the turnover mechanism after being detected by the first group of visual detection machine and is turned over for 180 degrees and then is transmitted to the other group of rotary table for detection, the all-round nut detection device realizes all-round automatic detection of the nut, improves the detection precision of the nut, can automatically separate qualified nuts from unqualified nuts, and improves the detection efficiency.

Description

All-round nut detection device

Technical Field

The utility model relates to the field of nut processing detection, in particular to an all-dimensional nut detection device.

Background

Electronic products such as cell-phone or notebook etc. often use one of a fastener when its part is connected and be the nut, after the nut is produced, in order to ensure its quality, must can detect its outward appearance, for example external diameter, internal diameter, height, tooth number etc. generally can adopt visual detection equipment, arrange the nut that will wait to detect according to certain order a position in proper order, detect one by one, but present testing process in can only image to a direction of nut, or adopt transparent carousel to carry out upper and lower face detection to the nut, but transparent carousel has certain refracting index, can influence the accuracy of testing result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an all-directional nut detection device aiming at the defects of the prior art so as to realize all-directional rapid detection of nuts and classify the nuts according to different results.

In order to achieve the purpose, the omnibearing nut detection device comprises two groups of turntables, wherein the two groups of turntables are connected through a turnover mechanism, a vision detection machine is arranged above each of the two groups of turntables, each turntable comprises an upper material plate and a lower material plate which are coaxially arranged from top to bottom, the upper material plate is rotationally connected with the lower material plate, the bottom of the lower material plate is fixed through a support leg, the upper material plates are rotated through a rotating motor arranged at the axis, a plurality of circular accommodating holes are distributed in the circumferential array of the upper material plates, the radius of each accommodating hole is consistent with the radius of an excircle circle of a nut to be detected, the vertical height from the top surface of each upper material plate to the top surface of the lower material plate is less than half of the height of the nut, and the lower material plates are provided with lower material holes; the turnover mechanism comprises a turnover assembly and a conveying assembly, the conveying assembly comprises a conveying belt, one end of the conveying belt is in lap joint with a blanking channel, the other end of the conveying belt is in lap joint with a rotary table through a connecting plate arranged obliquely, the turnover assembly comprises a rotatable circular first turnover plate and a rotatable circular second turnover plate which are vertically arranged, the first turnover plate and the second turnover plate are respectively arranged on the front side and the rear side of the conveying belt, the vertical distance between the first turnover plate and the second turnover plate is smaller than the outer diameter of a nut, the outer edges of the first turnover plate and the second turnover plate are respectively provided with a U-shaped clamping groove which is distributed in an annular array mode and used for clamping the nut, and the first turnover plate and the second turnover plate are realized through a turnover motor.

Specifically, still be provided with the unloading channel of downward sloping below the unloading hole, the one end that the conveyer belt was kept away from to the unloading channel and the output shaft interference fit of unloading motor, the other end and conveyer belt overlap joint, unloading motor and visual detection machine electric connection.

Specifically, the vision inspection machine comprises four CCD detection units, including a first CCD detection unit for detecting the outer diameter of the nut, a second CCD detection unit for detecting the inner diameter of the nut, a third CCD detection unit for detecting the size of the thread of the nut, and a fourth CCD detection unit for detecting the eccentricity of the nut.

An all-round nut detection device who obtains through above-mentioned technical scheme, its beneficial effect is: the comprehensive detection of the nut is realized through the cooperation of the two groups of turntables and the turnover mechanism, the rotatable blanking plate is arranged, and the classification of qualified products and unqualified products is realized.

Drawings

Fig. 1 is a schematic structural view of the all-directional nut detection device of the present invention.

Fig. 2 is a plan view of the all-directional nut detection device according to the present invention.

Fig. 3 is a schematic structural diagram of the novel rotary disc and the blanking disc.

In the figure, 1, a turntable; 11. feeding a material plate; 11a, a containing hole; 12. discharging a material tray; 12 a; a blanking hole; 13. a support leg; 14. a rotating electric machine; 2. a turnover mechanism; 21. a turnover assembly; 21a, a first turnover plate; 21b, a second turnover plate; 21c, a turnover motor; 22. a transfer assembly; 22a, a conveyor belt; 3. a blanking channel; 4. a blanking motor; 5. a qualified product collection box; 6. a disqualified product collection box; 7. a connecting plate; 8. a visual inspection machine.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely illustrative of some, but not all, embodiments of the utility model.

Referring to the attached drawings, the omnibearing nut detection device comprises two groups of rotary discs 1, wherein one group of rotary discs 1 connected with a vibration disc is higher than the other group of rotary discs 1, the two groups of rotary discs 1 are connected through a turnover mechanism 2, the turnover mechanism 2 is used for realizing the turnover and transportation of nuts, a vision detection machine 8 is respectively arranged above the two groups of rotary discs 1, each rotary disc 1 comprises an upper material disc 11 and a lower material disc 12 which are coaxially arranged up and down, the upper material disc 11 is rotatably connected with the lower material disc 12, the bottom of the lower material disc 12 is fixed through supporting legs 13, the upper material disc 11 is rotated through a rotating motor 14 arranged at the axis, the rotating motor 14 is fixed on the lower surface of the lower material disc 12, a plurality of circular accommodating holes 11a are distributed in a circumferential array manner on the upper material disc 11, the radius of the accommodating holes 11a is consistent with the radius of an excircle of a nut to be detected, and the vertical height from the top surface of the upper material disc 11 to the top surface of the lower material disc 12 is less than half of the height of the nut, be provided with unloading hole 12a on the lower charging tray 12, unloading hole 12a below is provided with the unloading channel 3 of downward sloping, and 3 one end of unloading channel and the output shaft interference fit of unloading motor 4 can realize rotatoryly under the drive of unloading motor 4, unloading motor 4 and visual detection machine 8 electric connection to the realization is to the separately unloading of nut certified products and defective work.

The vision inspection machine 8 comprises four CCD detection units, including a first CCD detection unit for detecting the outer diameter of the nut, a second CCD detection unit for detecting the inner diameter of the nut, a third CCD detection unit for detecting the size of the thread of the nut, and a fourth CCD detection unit for detecting the eccentricity of the nut,

when the first group of visual inspection machines 8 detects qualified products, the other end of the blanking channel 3 rotates to the position above the turnover mechanism 2, and the nuts fall on the turnover mechanism 2 and then turn over to continuously fall on the other group of rotary tables 1; when unqualified products are detected, the other end of the blanking channel 3 rotates to the position above the unqualified product collection box 6; when the second group of visual inspection machines 8 detect qualified products, the other end of the blanking channel 3 rotates to the position above the qualified product collecting box 5, and when unqualified products are detected, the other end of the blanking channel 3 rotates to the position above the other unqualified product collecting box 6.

Specifically, the turnover mechanism 2 comprises a turnover component 21 and a conveying component 22, wherein the turnover component 21 is positioned above the conveying component 22, the turnover component 21 is used for turning the nut by 180 degrees, and the conveying component 22 is used for transferring the nut from one turntable 1 to the other turntable 1; the conveying assembly 22 comprises a conveying belt 22a, one end of the conveying belt 22a is in lap joint with the blanking channel 3, the other end of the conveying belt 22a is in lap joint with the rotary table 1 through a connecting plate 7 which is obliquely arranged, and the conveying belt 22a realizes transmission through a driving wheel, a driven wheel and a conveying motor; the turnover assembly 21 comprises a first rotary plate 21a and a second rotary plate 21b which are vertically arranged and can rotate in a circular shape, the first rotary plate 21a and the second rotary plate 21b are respectively positioned on the front side and the rear side of the conveyor belt 22a, the vertical distance between the first rotary plate 21a and the second rotary plate 21b is smaller than the outer diameter of the nut, the outer edges of the first rotary plate 21a and the second rotary plate 21b are correspondingly provided with U-shaped clamping grooves which are distributed in an annular array and used for clamping the nut, and the first rotary plate 21a and the second rotary plate 21b are realized through a turnover motor 21 c.

The nuts qualified through the first-time machine vision detection assembly are detected, fall onto the conveying assembly 22 from the blanking channel 3, the conveying assembly 22 conveys the nuts into the U-shaped clamping grooves of the first turnover plate 21a and the second turnover plate 21b, the nuts rotate along with the first turnover plate 21a and the second turnover plate 21b under the matching of the first turnover plate 21a and the second turnover plate 21b, fall onto the conveying assembly 22 again after rotating for 180 degrees, and then are conveyed to the next group of turntables 1 for detection.

In conclusion, the nuts which are orderly arranged fall into the containing holes 11a of the upper tray 11 from the vibrating tray, rotate along with the upper tray 11, continue to rotate after being detected by the visual detection machine 8 for a plurality of items, when the containing holes 11a coincide with the discharging holes 12a, the nuts fall onto the discharging channel 3, the unqualified products fall into the unqualified product collecting box 6, the qualified products fall onto the conveyor belt 22a, the turning component 21 turns the nuts by 180 degrees, then fall onto the next group of turntables 1 along with the conveyor belt 22a again for detection, the unqualified products fall into the other unqualified product collecting box 6, the qualified products fall into the qualified product collecting box 5, the omnibearing detection of the nuts is realized by arranging the two groups of turntables 1 and the visual detection machine 8 and arranging the turning mechanism 2 between the two groups of turntables 1, the detection precision of the nuts is improved, and the qualified and unqualified products are sorted, the automation of nut detection is realized.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. An omnibearing nut detection device is characterized by comprising two groups of turntables, wherein the two groups of turntables are connected through a turnover mechanism, a vision detection machine is arranged above each of the two groups of turntables respectively, each turntable comprises an upper material plate and a lower material plate which are coaxially arranged up and down, the upper material plate is rotationally connected with the lower material plate, the bottom of the lower material plate is fixed through a support leg, the upper material plates realize rotation through a rotating motor arranged at the axis, a plurality of circular accommodating holes are distributed in the circumferential array of the upper material plates, the radius of each accommodating hole is consistent with the radius of an excircle circle of a nut to be detected, the vertical height from the top surface of each upper material plate to the top surface of the lower material plate is less than half of the height of the nut, and the lower material plate is provided with a lower material hole; the turnover mechanism comprises a turnover assembly and a conveying assembly, the conveying assembly comprises a conveying belt, one end of the conveying belt is in lap joint with a blanking channel, the other end of the conveying belt is in lap joint with a rotary table through a connecting plate arranged obliquely, the turnover assembly comprises a rotatable circular first turnover plate and a rotatable circular second turnover plate which are vertically arranged, the first turnover plate and the second turnover plate are respectively arranged on the front side and the rear side of the conveying belt, the vertical distance between the first turnover plate and the second turnover plate is smaller than the outer diameter of a nut, the outer edges of the first turnover plate and the second turnover plate are respectively provided with a U-shaped clamping groove which is distributed in an annular array mode and used for clamping the nut, and the first turnover plate and the second turnover plate are realized through a turnover motor.

2. The all-directional nut detection device according to claim 1, wherein a downward-inclined blanking channel is further arranged below the blanking hole, one end of the blanking channel, which is far away from the conveyor belt, is in interference fit with an output shaft of a blanking motor, and the blanking motor is electrically connected with the vision detection machine.

3. The omnibearing nut detection device according to claim 1, wherein the vision inspection machine comprises four CCD detection units, including a first CCD detection unit for detecting the outer diameter of the nut, a second CCD detection unit for detecting the inner diameter of the nut, a third CCD detection unit for detecting the size of the thread of the nut, and a fourth CCD detection unit for detecting the eccentricity of the nut, respectively.