CN217585703U

CN217585703U - Screw detecting and positioning device

Info

Publication number: CN217585703U
Application number: CN202220907144.5U
Authority: CN
Inventors: 孙丰; 张宝峰; 吴斌; 刘斌
Original assignee: Suzhou Secote Precision Electronic Co Ltd
Current assignee: Suzhou Secote Precision Electronic Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-10-14
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to an automatic technical field relates to a screw detects positioning device. After the first detection mechanism and the second detection mechanism detect the pose of the screw on the screwdriver, the power part drives the screwdriver to screw a processing workpiece on the positioning mechanism, so that the detection of the position of the screw is more accurate, the misjudgment rate of the pose of the screw is reduced, and the product assembly quality guaranteed while the detection efficiency is improved; meanwhile, the first detection mechanism and the second detection mechanism form a vertical detection mechanism, so that the screws which are skewed and damaged and taken out by a screwdriver can be quickly filtered, the screws which are positioned normally are ensured, and the screwing efficiency and accuracy are improved.

Description

Screw detecting and positioning device

Technical Field

The utility model relates to an automatic technical field relates to a screw detects positioning device.

Background

On the automatic assembly line electron production line of electronic product, the screw is fixed to more common technology, in order to improve the packaging efficiency of article, generally adopts the automatic screwdriver of machine to beat the screw technology, but behind the screwdriver got the screw, does not have good mode to judge whether the screw that the screwdriver was taken out levels perpendicularly, if the screw is crooked and damaged appear, can cause to beat the screw failure in the equipment, probably damages the product, is unfavorable for the enterprise production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a reduce the misjudgment rate of screw position appearance, can filter the screw that crooked and damage that the screwdriver took out fast, guarantee to fix a position the screw detection positioning device of normal screw.

In order to solve the technical problem, the utility model provides a technical scheme that its technical problem adopted is:

a screw detection and positioning device comprises a screwdriver, a first detection mechanism, a second detection mechanism and a positioning mechanism for placing a machined workpiece, wherein the screwdriver is connected with a drive, the first detection mechanism is arranged below the screwdriver, the second detection mechanism is perpendicular to the first detection mechanism, and after the pose of a screw on a screwdriver is detected by the first detection mechanism and the second detection mechanism, a power part drives the screwdriver to screw the machined workpiece on the positioning mechanism;

first detection mechanism includes annular light source, detection support and first camera, first camera through first support with detect the leg joint, annular light source passes through light source support and detects the leg joint, annular light source sets up first camera top, the center pin of first camera with the center pin of screwdriver is on the same straight line.

Furthermore, the second detection mechanism comprises a second camera, the second camera is arranged on the fixing frame, the detection support is provided with a light source frame, the light source frame is provided with a bar-shaped light source, the second camera is arranged opposite to the bar-shaped light source, and a central shaft of the second camera is perpendicular to a central shaft of the first camera.

Furthermore, the light source support is provided with an adjusting groove, the adjusting groove is provided with a first bolt, and the light source support is connected with the detection support through the first bolt.

Furthermore, an adjusting groove is formed in the first support, a second bolt is arranged on the adjusting groove, and the first support is connected with the detection support through the second bolt.

Further, the light source frame includes first board and second board, be provided with waist type groove on the first board, be provided with the third bolt on the waist type groove, the first board pass through the third bolt with detect leg joint, be provided with the guide way on the second board, wear to be equipped with the fourth bolt on the guide way, the second board pass through the fourth bolt with the first board is connected.

Further, the power part includes the drive frame, be provided with first driver on the drive frame, first driver and mounting panel drive are connected, be provided with the second driver on the mounting panel, the second driver is connected with the lifter plate drive, be provided with the third driver on the lifter plate, the third driver with the screwdriver drive is connected.

Further, positioning mechanism is including adjusting seat and locating rack, the locating rack sets up adjust on the seat, be provided with the jacking cylinder on the locating rack, jacking cylinder piston rod end is connected with the jacking frame, be provided with the tool that is used for placing the processing work piece on the jacking frame, the locating rack top is provided with the mounting bracket, the mounting bracket sets up the tool top, through the processing work piece that the jacking cylinder drove on the tool supports tightly on the mounting bracket.

Further, the jacking frame includes jacking board and two risers, and two riser symmetries set up the jacking board both sides, be provided with the sliding block on the riser, be provided with the slip track on the locating rack, the sliding block is slided and is established on the slip track, be provided with the lifter plate on the riser, the tool sets up on the lifter plate, the lift groove has been seted up on the lifter plate, the locating rack is worn to establish on the lift groove.

Further, the mounting bracket includes two branches, and two branches symmetry sets up the locating rack both sides, distance between two branches is less than the width of processing work piece, be provided with limit stop on the branch, limit stop with the jacking frame sets up relatively, makes the jacking frame can't be followed break away from on the locating rack.

Furthermore, the adjusting base comprises a first substrate, a first moving module is arranged on the first substrate, a second substrate is arranged on the first moving module, a second moving module is arranged on the second substrate, a third substrate is arranged on the second moving module, an electric rotating table is arranged on the third substrate, and the positioning frame is arranged on a rotating table surface of the electric rotating table.

The utility model has the advantages that:

after the first detection mechanism and the second detection mechanism detect the pose of the screw on the screwdriver, the power part drives the screwdriver to screw a processing workpiece on the positioning mechanism, so that the detection of the position of the screw is more accurate, the misjudgment rate of the pose of the screw is reduced, and the product assembly quality guaranteed while the detection efficiency is improved; meanwhile, the first detection mechanism and the second detection mechanism form a vertical detection mechanism, so that the skew and damaged screws taken out by a screwdriver can be quickly filtered, the screws which are positioned normally are ensured, and the screwing efficiency and accuracy are improved.

Drawings

Fig. 1 is a schematic view of the screw detecting and positioning device of the present invention.

Fig. 2 is a schematic view of a second detection mechanism of the present invention.

Fig. 3 is a schematic view of the positioning mechanism of the present invention.

The reference numbers in the figures illustrate: 1. a driving frame; 11. a first driver; 12. a second driver; 13. a third driver; 14. a screwdriver; 2. detecting the bracket; 21. a first camera; 22. an annular light source; 23. a light source holder; 24. an adjustment groove; 25. a first bracket; 26. an adjustment groove; 3. a fixed mount; 31. a second camera; 32. a strip light source; 33. a first plate; 34. a second plate; 35. a waist-shaped groove; 36. a guide groove; 4. a positioning mechanism; 41. a positioning frame; 42. jacking a cylinder; 43. a jacking plate; 44. a vertical plate; 45. a slide rail; 46. a lifting plate; 47. a jig; 48. a strut; 49. a limit stop block; 491. a first substrate; 492. a second substrate; 493. a third substrate; 494. a first moving module; 495. a second moving module; 496. provided is an electric rotating platform.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1-3, a screw detecting and positioning device includes a screwdriver 14, a first detecting mechanism, a second detecting mechanism, and a positioning mechanism 4 for placing a workpiece to be processed, the screwdriver 14 is connected with a drive, the first detecting mechanism is disposed below the screwdriver 14, the second detecting mechanism is disposed perpendicular to the first detecting mechanism, and after the position and the attitude of a screw on the screwdriver 14 are detected by the first detecting mechanism and the second detecting mechanism, a power component drives the screwdriver 14 to screw the workpiece to be processed on the positioning mechanism 4;

the first detection mechanism comprises an annular light source 22, a detection support 2 and a first camera 21, the first camera 21 is connected with the detection support 2 through a first support 25, the annular light source 22 is connected with the detection support 2 through a light source support 23, the annular light source 22 is arranged above the first camera 21, and the central shaft of the first camera 21 and the central shaft of the screwdriver 14 are on the same straight line.

The utility model discloses a first detection mechanism and second detection mechanism carry out the position appearance after the screw on 14 screw knives detects, and power part drives 14 screwdriver to beat the screw to the processing work piece on the positioning mechanism 4, can make the detection of screw position more accurate, has reduced the erroneous judgement rate of screw position appearance, has improved the product assembly quality of guaranteeing when detection efficiency; meanwhile, the first detection mechanism and the second detection mechanism form a vertical detection mechanism, so that the skew and damaged screws taken out by a screwdriver can be quickly filtered, the screws which are positioned normally are ensured, and the screwing efficiency and accuracy are improved.

The second detection mechanism comprises a second camera 31, the second camera 31 is arranged on the fixing frame 3, a light source frame is arranged on the detection support 2, a strip-shaped light source 32 is arranged on the light source frame, the second camera 31 and the strip-shaped light source 32 are arranged oppositely, and the central shaft of the second camera 31 is perpendicular to the central shaft of the first camera 21.

The first camera 21, the second camera 31 and the screws are perpendicular to each other to form the camera perpendicular detection positioning mechanism 4, so that the pose of the screws can be detected in all directions, the screws which are skewed and damaged and taken out by a screwdriver can be filtered out quickly, and the accuracy of screwing is guaranteed.

The light source support 23 is provided with an adjusting groove 24, the adjusting groove 24 is provided with a first bolt, and the light source support 23 is connected with the detection support 2 through the first bolt.

The light source support 23 adjusts the position of the light source through the adjusting groove 24, so that the detection precision is improved, and the detection accuracy is ensured.

An adjusting groove 26 is formed in the first support 25, a second bolt is arranged on the adjusting groove 26, and the first support 25 is connected with the detection support 2 through the second bolt.

The first support 25 adjusts the position of the first camera 21 by adjusting the first camera 21, so that the detection precision is improved, the first camera 21 can detect the pose of the screw more comprehensively, and the detection accuracy is ensured.

The light source frame includes first board 33 and second board 34, be provided with waist type groove 35 on the first board 33, be provided with the third bolt on the waist type groove 35, first board 33 pass through the third bolt with it connects to detect support 2, be provided with guide way 36 on the second board 34, wear to be equipped with the fourth bolt on the guide way 36, the second board 34 pass through the fourth bolt with first board 33 is connected.

By adopting the structure, the first camera 21, the second camera 31 and the annular light source 22 are all adjustable, the most appropriate photographing position can be found, and the positioning precision is ensured.

The power part comprises a driving frame 1, a first driver 11 is arranged on the driving frame 1, the first driver 11 is in driving connection with a mounting plate, a second driver 12 is arranged on the mounting plate, the second driver 12 is in driving connection with a lifting plate 46, a third driver 13 is arranged on the lifting plate 46, and the third driver 13 is in driving connection with a screwdriver 14.

Specifically, first driver 11, second driver 12 and third driver 13 are any one of straight line module, cylinder, linear electric motor, hydro-cylinder, drive screwdriver 14 through first driver 11, second driver 12 and third driver 13 and remove in the space, snatch the screw, shoot and beat the screw operation, simple structure, efficient.

Refer to fig. 3, positioning mechanism 4 is including adjusting seat and locating rack 41, locating rack 41 sets up adjust on the seat, be provided with jacking cylinder 42 on the locating rack 41, jacking cylinder 42 piston rod end is connected with jacking rack, be provided with tool 47 that is used for placing the processing work piece on the jacking rack, the 41 top of locating rack is provided with the mounting bracket, the mounting bracket sets up tool 47 top, through jacking cylinder 42 drives the processing work piece on the tool 47 and supports tightly on the mounting bracket, avoid beating screw in-process processing work piece and appear rocking, guarantee to beat the screw precision.

The jacking frame includes jacking board 43 and two risers 44, and two risers 44 symmetry sets up jacking board 43 both sides, be provided with the sliding block on the riser 44, be provided with slip track 45 on the locating rack 41, the sliding block is slided and is established on the slip track 45, be provided with lifter plate 46 on the riser 44, tool 47 sets up on the lifter plate 46, the lift groove has been seted up on the lifter plate 46, locating rack 41 wears to establish on the lift groove.

The mounting bracket includes two branches 48, and two branches 48 symmetry sets up locating rack 41 both sides, distance between two branches 48 is less than the width of processing work piece, be provided with limit stop 49 on the branch 48, limit stop 49 with the jacking frame sets up relatively, makes the jacking frame can't be followed break away from on the locating rack 41.

The adjusting base comprises a first substrate 491, a first moving module 494 is disposed on the first substrate 491, a second substrate 492 is disposed on the first moving module 494, a second moving module 495 is disposed on the second substrate 492, a third substrate 493 is disposed on the second moving module 495, a motorized rotary table 496 is disposed on the third substrate 493, and the positioning frame 41 is disposed on a rotary table top of the motorized rotary table 496.

Application process

After the first driver 11, the second driver 12 and the third driver 13 drive the screwdriver 14 to grab a screw, the screw moves to a photographing position, the screw on the screwdriver 14 is driven by the screwdriver 14 to rotate 360 degrees, meanwhile, the first camera 21 photographs the screw to detect, if the screw on the screwdriver 14 is detected to be skewed and out of range or damaged, automatic material throwing can be performed, if the screw is in a normal range, the second camera 31 photographs and positions the screw under the cooperation of the annular light source 22, after the first camera 21 and the second detection mechanism perform pose detection on the screw on the screwdriver 14, the first moving module 494, the second moving module 495 and the electric rotating table 496 adjust the relative positions of the jig 47 and the screwdriver 14, the jacking cylinder 42 drives a processing workpiece on the jig 47 to abut against the supporting rod 48 to achieve positioning of the processing workpiece, and the first driver 11, the second driver 12 and the third driver 13 drive the screwdriver 14 to perform screw striking operation on the processing workpiece on the positioning mechanism 4.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitution or transformation made by the technical personnel in the technical field on the basis of the utility model is within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A screw detection and positioning device is characterized by comprising a screwdriver, a first detection mechanism, a second detection mechanism and a positioning mechanism for placing a machined workpiece, wherein the screwdriver is connected with a driver, the first detection mechanism is arranged below the screwdriver, the second detection mechanism is perpendicular to the first detection mechanism, and after the position and pose of a screw on a screwdriver are detected through the first detection mechanism and the second detection mechanism, a power part drives the screwdriver to drive the machined workpiece on the positioning mechanism to screw;

2. The screw detecting and positioning device according to claim 1, wherein the second detecting mechanism includes a second camera, the second camera is disposed on the fixing frame, a light source rack is disposed on the detecting bracket, a bar-shaped light source is disposed on the light source rack, the second camera is disposed opposite to the bar-shaped light source, and a central axis of the second camera is perpendicular to a central axis of the first camera.

3. The screw detecting and positioning device of claim 1, wherein the light source bracket is provided with an adjusting groove, the adjusting groove is provided with a first bolt, and the light source bracket is connected with the detecting bracket through the first bolt.

4. The screw detecting and positioning device of claim 1, wherein the first bracket is provided with an adjusting groove, the adjusting groove is provided with a second bolt, and the first bracket is connected with the detecting bracket through the second bolt.

5. The screw detecting and positioning device according to claim 2, wherein the light source frame comprises a first plate and a second plate, a waist-shaped groove is formed in the first plate, a third bolt is arranged on the waist-shaped groove, the first plate is connected with the detecting support through the third bolt, a guide groove is formed in the second plate, a fourth bolt penetrates through the guide groove, and the second plate is connected with the first plate through the fourth bolt.

6. The screw detecting and positioning device of claim 1, wherein the power component comprises a drive frame, a first driver is disposed on the drive frame and drivingly connected to a mounting plate, a second driver is disposed on the mounting plate and drivingly connected to a lifter plate, and a third driver is disposed on the lifter plate and drivingly connected to the screwdriver.

7. The screw detecting and positioning device according to claim 1, wherein the positioning mechanism includes an adjusting seat and a positioning frame, the positioning frame is disposed on the adjusting seat, a jacking cylinder is disposed on the positioning frame, a rod end of a piston rod of the jacking cylinder is connected with the jacking frame, a jig for placing a workpiece to be machined is disposed on the jacking frame, a mounting frame is disposed on a top of the positioning frame, the mounting frame is disposed above the jig, and the jacking cylinder drives the workpiece to be machined on the jig to abut against the mounting frame.

8. The screw detecting and positioning device of claim 7, wherein the jacking frame comprises a jacking plate and two vertical plates, the two vertical plates are symmetrically arranged on two sides of the jacking plate, sliding blocks are arranged on the vertical plates, a sliding track is arranged on the positioning frame, the sliding blocks are slidably arranged on the sliding track, a lifting plate is arranged on the vertical plates, the jig is arranged on the lifting plate, a lifting groove is formed in the lifting plate, and the positioning frame is arranged on the lifting groove in a penetrating manner.

9. The screw detecting and positioning device according to claim 7, wherein the mounting frame comprises two support rods, the two support rods are symmetrically arranged on two sides of the positioning frame, the distance between the two support rods is smaller than the width of the processing workpiece, limit stoppers are arranged on the support rods, and the limit stoppers are arranged opposite to the jacking frame, so that the jacking frame cannot be separated from the positioning frame.

10. The screw detecting and positioning apparatus of claim 7, wherein the adjusting base comprises a first substrate, a first moving module is disposed on the first substrate, a second substrate is disposed on the first moving module, a second moving module is disposed on the second substrate, a third substrate is disposed on the second moving module, a motorized rotating table is disposed on the third substrate, and the positioning frame is disposed on a rotating table top of the motorized rotating table.