CN215060529U

CN215060529U - Automatic welding line focusing device based on CCD vision

Info

Publication number: CN215060529U
Application number: CN202023093635.0U
Authority: CN
Inventors: 许明; 黄金; 方坤; 万佳龙
Original assignee: Jiangsu Huachen Laser Intelligent Equipment Co ltd
Current assignee: Jiangsu Huachen Laser Intelligent Equipment Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-12-07
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an automatic welding seam focusing device based on CCD vision, concretely relates to focusing device technical field, comprises a workbench, the preceding tip of workstation is provided with the singlechip, and is provided with the curb plate in the both sides end outside of workstation all along vertical direction, the bottom outer wall of curb plate is close to the tip outside of workstation and installs first servo motor, the inboard that first servo motor's rotor portion is located the curb plate is connected with the live-rollers, the external connection of live-rollers has first gear, and the one end fixedly connected with of live-rollers rotates the post, the internal connection that the one end of rotating the post extended to the workstation has the gyro wheel, the outside that the outer wall of workstation corresponds the gyro wheel is provided with the roll groove on the horizontal direction, the outer wall of workstation is located the below fixedly connected with fixed plate of live-rollers. The utility model has the advantages of reasonable design, convenience safe in utilization can conveniently focus the device and carry out vertical, horizontal and vertical ascending position control of side to the weld position.

Description

Automatic welding line focusing device based on CCD vision

Technical Field

The utility model relates to a focusing technical field, more specifically say, the utility model relates to an automatic welding seam focusing device based on CCD vision.

Background

The automatic focusing is a method that utilizes the principle of object light reflection, reflected light is received by a sensor CCD on a camera, and an electric focusing device is driven to focus through computer processing, namely, the automatic focusing is called, and the method is divided into two types: one is active and the other is passive.

The existing automatic welding line focusing device based on CCD vision is poor in structural design, and the welding line position is inconvenient to be adjusted in the longitudinal direction, the transverse direction and the vertical direction by the focusing device in the using process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an automatic weld focusing device based on CCD vision can make things convenient for focusing device to carry out vertical, horizontal and vertical ascending position control of side to the weld position to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic welding line focusing device based on CCD vision comprises a workbench, wherein a single chip microcomputer is arranged at the front end part of the workbench, side plates are arranged at the outer sides of two side ends of the workbench in the vertical direction, a first servo motor is installed at the outer side of the end part, close to the workbench, of the outer wall of the bottom of the side plate, a rotor part of the first servo motor is connected with a rotating roller at the inner side of the side plate, a first gear is connected to the outer part of the rotating roller, a rotating column is fixedly connected to one end of the rotating roller, a roller wheel is connected to the inner part, extending to the workbench, of one end of the rotating column, a rolling groove is formed in the outer wall of the workbench in the horizontal direction corresponding to the outer part of the roller wheel, a fixed plate is fixedly connected to the lower part of the rotating roller, teeth meshed with the first gear are arranged on the upper surface of the fixed plate, and a top plate is fixedly connected between the inner walls of the tops of the two side plates, a screw rod is connected between the inner walls of the tops of the two side plates and below the top plate, one end of the screw rod extends to the outer side of the side plates and is connected with a stepping motor, a screw rod nut seat is connected to the outside of the screw rod, a T-shaped sliding block is arranged at the top end of the screw rod nut seat and at the bottom of the top plate, a telescopic hydraulic cylinder is fixedly connected to the bottom end of the screw rod nut seat, a mounting frame is fixedly connected to the end part of a bottom piston rod of the telescopic hydraulic cylinder, a welding gun head is installed at the bottom end of the mounting frame, and focusing assemblies are installed on the two outer walls of the mounting frame and at the positions of the two sides of the welding gun head;

the focusing subassembly includes fixed connection at the mounting panel of mounting bracket outer wall, install visual sensor on the mounting panel, visual sensor and mounting panel slope set up, and visual sensor's tip is provided with infrared emitter, be provided with the focusing wheel that is used for focus regulation on the visual sensor, the outside meshing of focusing wheel is connected with the second gear, the middle part of second gear is connected with the axis of rotation, the top outer wall connection that the one end of axis of rotation extends to the mounting panel has second servo motor.

In a preferred embodiment, the bottom of the first servo motor and the bottom of the stepping motor are both provided with a support seat, and the support seat is fixedly connected with the outer wall of the side plate through a bolt.

In a preferred embodiment, the fixing plate is welded or fixedly connected with the outer wall of the workbench through bolts.

In a preferred embodiment, the bottom of the top plate is provided with a T-shaped sliding groove in the horizontal direction corresponding to the outside of the T-shaped sliding block.

In a preferred embodiment, a bearing seat is installed on the inner wall of the side plate corresponding to the end position of the screw rod.

In a preferred embodiment, the top of the telescopic hydraulic cylinder is fixedly connected with the bottom of the screw nut seat through a bolt, and the mounting frame is fixedly connected with the end part of the bottom piston rod of the telescopic hydraulic cylinder through a bolt.

In a preferred embodiment, the mounting plate is welded or fixedly connected with the outer wall of the mounting frame through bolts, and the second servo motor is fixedly connected with the outer wall of the mounting plate through bolts.

The utility model has the advantages that: the utility model has the advantages of reasonable design, convenience safe in utilization, can make things convenient for focusing device to carry out position control on the butt weld position in vertical, horizontal and vertical direction, during the use, at first drive first gear through controlling the operation of first servo motor and rotate, it is stable to drive the gyro wheel in the inside of rolling groove and move in the first gear rotation process, first gear meshes with the tooth of bottom in the rotation process, because tooth is fixed structure, make first gear can roll above tooth, and then drive the curb plate and carry out longitudinal movement, make things convenient for focusing device to carry out longitudinal position control to the butt weld position; the operation of the stepping motor is controlled, so that the screw rod is conveniently driven to rotate, the screw rod nut seat can horizontally move outside the screw rod, and the T-shaped sliding block arranged at the top of the screw rod nut seat can stably slide at the bottom of the top plate, so that the stability of the screw rod nut seat in moving outside the screw rod is improved, and the focusing device can conveniently adjust the transverse position of a welding seam; the telescopic hydraulic cylinder that sets up is used for adjusting the position of welding gun head and focusing device's the vertical side, and after position control, rotates through control second servo motor's rotor, conveniently drives the second gear and rotates, and then is convenient for rotate the focusing wheel that is used for adjusting the focus on the vision sensor and adjusts.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a schematic structural diagram of the middle fixing plate of the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 1 according to the present invention.

The reference signs are: 1. a work table; 2. a single chip microcomputer; 3. a side plate; 4. a first servo motor; 5. a rotating roller; 6. a first gear; 7. rotating the column; 8. a roller; 9. a rolling groove; 10. a fixing plate; 11. teeth; 12. a top plate; 13. a screw rod; 14. a stepping motor; 15. a lead screw nut seat; 16. a T-shaped slider; 17. a telescopic hydraulic cylinder; 18. a mounting frame; 19. a focusing assembly; 20. welding gun heads; 191. mounting a plate; 192. a vision sensor; 193. an infrared emitter; 194. a focusing wheel; 195. a second gear; 196. a rotating shaft; 197. a second servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached figures 1-4, the automatic welding line focusing device based on CCD vision comprises a workbench 1, a single chip microcomputer 2 of AT89C51 type is arranged AT the front end part of the workbench 1, side plates 3 are arranged on the outer sides of the two side ends of the workbench 1 along the vertical direction, a first servo motor 4 is arranged on the outer side of the bottom part of the side plate 3 close to the outer side of the end part of the workbench 1, a rotor part of the first servo motor 4 is arranged on the inner side of the side plate 3 and connected with a rotating roller 5, a first gear 6 is connected to the outer part of the rotating roller 5, a rotating column 7 is fixedly connected to one end of the rotating roller 5, one end of the rotating column 7 extends to the inner part of the workbench 1 and is connected with a roller 8, a rolling groove 9 is arranged on the outer wall of the workbench 1 corresponding to the outer part of the roller 8 along the horizontal direction, a fixing plate 10 is fixedly connected to the outer wall of the workbench 1 below the rotating roller 5, teeth 11 meshed with the first gear 6 are arranged on the upper surface of the fixing plate 10, a top plate 12 is fixedly connected between the inner walls of the tops of the two side plates 3, a lead screw 13 is connected between the inner walls of the tops of the two side plates 3 and below the top plate 12, one end of the lead screw 13 extends to the outer side of the side plates 3 and is connected with a stepping motor 14, a lead screw nut seat 15 is connected to the outside of the lead screw 13, a T-shaped slider 16 is arranged at the top end of the lead screw nut seat 15 and at the bottom of the top plate 12, a telescopic hydraulic cylinder 17 is fixedly connected to the bottom end of the lead screw nut seat 15, an installation frame 18 is fixedly connected to the end part of a bottom piston rod of the telescopic hydraulic cylinder 17, a welding gun head 20 is installed at the bottom end of the installation frame 18, and focusing assemblies 19 are installed at positions, located at two sides of the welding gun head 20, on two outer walls of the installation frame 18;

the focusing assembly 19 comprises a mounting plate 191 fixedly connected to the outer wall of the mounting frame 18, a visual sensor 192 is mounted on the mounting plate 191, the visual sensor 192 and the mounting plate 191 are obliquely arranged, an infrared emitter 193 is arranged at the end of the visual sensor 192, a focusing wheel 194 used for adjusting the focal length is arranged on the visual sensor 192, a second gear 195 is meshed and connected to the outer side of the focusing wheel 194, a rotating shaft 196 is connected to the middle of the second gear 195, and a second servo motor 197 is connected to the outer wall of the top of the rotating shaft 196, which extends to the mounting plate 191.

As shown in fig. 1, the bottom of the first servo motor 4 and the bottom of the stepping motor 14 are both provided with a support base, and the support base is fixedly connected with the outer wall of the side plate 3 through a bolt, so that the first servo motor 4 and the stepping motor 14 can be conveniently installed and fixed.

As shown in fig. 1-2, the fixing plate 10 is welded or fixedly connected to the outer wall of the working platform 1 by bolts, so as to facilitate the installation and fixation of the fixing plate 10.

As shown in fig. 1, a T-shaped sliding groove is formed in the bottom of the top plate 12 in the horizontal direction corresponding to the outside of the T-shaped sliding block 16, so that the T-shaped sliding block 16 can stably slide on the bottom of the top plate 12, and the movement of the screw and nut seat 15 is limited.

As shown in fig. 1, a bearing seat is installed at a position of the inner wall of the side plate 3 corresponding to the end of the screw rod 13, so as to facilitate stable rotation of the screw rod 13.

As shown in fig. 1, the top of the telescopic hydraulic cylinder 17 is fixedly connected with the bottom of the screw nut seat 15 through a bolt, and the mounting frame 18 is fixedly connected with the bottom piston rod end of the telescopic hydraulic cylinder 17 through a bolt, so that the telescopic hydraulic cylinder 17 and the mounting frame 18 can be conveniently connected and fixed.

As shown in fig. 4, the mounting plate 191 is welded or fixedly connected to the outer wall of the mounting frame 18 through bolts, and the second servo motor 197 is fixedly connected to the outer wall of the mounting plate 191 through bolts, so that the second servo motor 197 can be mounted and fixed.

The utility model discloses the theory of operation: when the utility model is used, the first gear 6 is driven to rotate by controlling the operation of the first servo motor 4, the roller 8 is driven to stably move in the rolling groove 9 during the rotation of the first gear 6, the first gear 6 is meshed with the teeth 11 at the bottom during the rotation, the first gear 6 can roll above the teeth 11 due to the fixed structure of the teeth 11, and further the side plate 3 is driven to longitudinally move, the longitudinal position adjustment of the welding seam position by the focusing device is facilitated, and the lead screw 13 is conveniently driven to rotate by controlling the operation of the stepping motor 14, so that the lead screw nut seat 15 can horizontally move outside the lead screw 13, the T-shaped slider 16 arranged at the top of the lead screw nut seat 15 can stably slide at the bottom of the top plate 12, thereby improving the stability of the lead screw nut seat 15 when the lead screw 13 moves outside the lead screw 13, and then make things convenient for focusing device to carry out horizontal position control to the welding seam position, the telescopic pneumatic cylinder 17 that sets up is used for adjusting the position of welding gun head 20 and focusing device on the vertical direction, and after position control, rotates through the rotor of control second servo motor 197, conveniently drives second gear 195 and rotates, and then is convenient for rotate the regulation to the focusing wheel 194 that is used for adjusting the focus on the vision sensor 192.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic welding seam focusing device based on CCD vision, includes workstation (1), its characterized in that: the front end part of the workbench (1) is provided with a single chip microcomputer (2), the outer sides of the two side ends of the workbench (1) are provided with side plates (3) along the vertical direction, the outer side of the bottom part of each side plate (3) close to the outer side of the end part of the workbench (1) is provided with a first servo motor (4), the inner side of a rotor part of each first servo motor (4) located on each side plate (3) is connected with a rotating roller (5), the outer part of each rotating roller (5) is connected with a first gear (6), one end of each rotating roller (5) is fixedly connected with a rotating column (7), one end of each rotating column (7) extends to the inner part of the workbench (1) and is connected with a roller (8), the outer part of the workbench (1) corresponding to the roller (8) is provided with a rolling groove (9) along the horizontal direction, the outer wall of the workbench (1) is located below the rotating rollers (5) and is fixedly connected with a fixing plate (10), the upper surface of the fixed plate (10) is provided with teeth (11) meshed with the first gear (6), a top plate (12) is fixedly connected between the inner walls of the tops of the two side plates (3), a lead screw (13) is connected between the inner walls of the tops of the two side plates (3) and below the top plate (12), one end of the lead screw (13) extends to the outer side of the side plates (3) and is connected with a stepping motor (14), a lead screw nut seat (15) is connected to the outer portion of the lead screw (13), a T-shaped sliding block (16) is arranged at the top end of the lead screw nut seat (15) and at the bottom end of the top plate (12), a telescopic hydraulic cylinder (17) is fixedly connected to the bottom end of the lead screw nut seat (15), an installation frame (18) is fixedly connected to the end of a piston rod at the bottom of the telescopic hydraulic cylinder (17), and a welding gun head (20) is installed at the bottom end of the installation frame (18), focusing assemblies (19) are arranged on the two outer walls of the mounting rack (18) at the positions of the two sides of the welding gun head (20);

focusing subassembly (19) are including mounting panel (191) of fixed connection at mounting bracket (18) outer wall, install visual sensor (192) on mounting panel (191), visual sensor (192) and mounting panel (191) slope set up, and the tip of visual sensor (192) is provided with infrared emitter (193), be provided with focusing wheel (194) that are used for focus regulation on visual sensor (192), the outside meshing of focusing wheel (194) is connected with second gear (195), the middle part of second gear (195) is connected with axis of rotation (196), the top wall connection that the one end of axis of rotation (196) extends to mounting panel (191) has second servo motor (197).

2. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: the bottom of the first servo motor (4) and the bottom of the stepping motor (14) are both provided with a supporting seat, and the supporting seat is fixedly connected with the outer wall of the side plate (3) through bolts.

3. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: the fixed plate (10) is welded or fixedly connected with the outer wall of the workbench (1) through bolts.

4. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: and a T-shaped sliding groove is formed in the bottom of the top plate (12) along the horizontal direction corresponding to the outer part of the T-shaped sliding block (16).

5. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: and a bearing seat is arranged on the inner wall of the side plate (3) corresponding to the end part of the screw rod (13).

6. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: the top of the telescopic hydraulic cylinder (17) is fixedly connected with the bottom of the screw nut seat (15) through bolts, and the mounting frame (18) is fixedly connected with the end part of a bottom piston rod of the telescopic hydraulic cylinder (17) through bolts.

7. The CCD vision-based automatic weld focusing device according to claim 1, characterized in that: the outer wall of mounting panel (191) and mounting bracket (18) between the welding or through bolt fixed connection, pass through bolt fixed connection between the outer wall of second servo motor (197) and mounting panel (191).