A high-precision laser welding robot

Abstract

The present invention discloses a high-precision laser welding robot, including a robot body, a fixed block fixedly connected to the bottom of the robot body, a welding head movably connected to the front side of the fixed block, a clamping plate used in conjunction with the welding head fixedly connected to the bottom of the fixed block, a limit plate used in conjunction with the welding head rotatably connected to the bottom of the fixed block, and a connecting line fixedly connected to the top of the welding head. The present invention solves the problem that the existing high-precision laser welding robot is not convenient for convenient installation of the welding head and does not have the function of auxiliary positioning of the connecting line, which makes it inconvenient for users to use by setting the robot body, snap mechanism, positioning mechanism, fixed block, welding head, connecting line, limit plate, connecting block, clamping plate, clamping block, fastening pad, movable hole, movable groove, transmission plate, positioning groove, limit block, fixed rod, slider, slide groove and fixing bolt. It is suitable for welding process.

Description

Technical Field

[0001] The invention belongs to the technical field of high-precision laser welding robots, and in particular relates to a high-precision laser welding robot. Background Art

[0002] Welding robots are industrial robots that perform welding, cutting and spraying. According to the definition of the International Organization for Standardization, industrial robots belong to standard welding robots. Industrial robots are multi-purpose, reprogrammable automatic control manipulators with three or more programmable axes used in the field of industrial automation. In order to adapt to different uses, the mechanical interface of the robot's last axis is usually a connecting flange that can be connected to different tools or end effectors. The welding robot is an industrial robot with a welding tongs or welding gun connected to the end axis flange, enabling it to perform welding, cutting or thermal spraying.

[0003] High-precision laser welding robot is also a type of welding robot. Welding robots can reduce labor, increase welding efficiency and accuracy, and facilitate use. The welding robot uses a welding head for welding when needed, and the welding head needs to be installed between the welding robot. However, the existing high-precision laser welding robot is not convenient for convenient installation of the welding head, and does not have the function of assisting in positioning the connecting line, which makes it inconvenient for users to use. Therefore, this patent invents a method for convenient installation of the welding head and assisting in positioning the connecting line, which is convenient for users to use. Summary of the invention

[0004] In view of the problems existing in the prior art, the present invention provides a high-precision laser welding robot, which has the advantages of convenient installation of the welding head and auxiliary positioning of the connecting wire, making it convenient for users to use. It solves the problem that the existing high-precision laser welding robots are not convenient for easy installation of the welding head and do not have the function of auxiliary positioning of the connecting wire, making it inconvenient for users to use.

[0005] The present invention is achieved as follows: a high-precision laser welding robot comprises a robot body, a fixed block is fixedly connected to the bottom of the robot body, a welding head is movably connected to the front side of the fixed block, a clamping plate used in conjunction with the welding head is fixedly connected to the bottom of the fixed block, a limiting plate used in conjunction with the welding head is rotatably connected to the bottom of the fixed block, a connecting wire is fixedly connected to the top of the welding head, a side of the connecting wire away from the welding head is fixedly connected to the robot body, a buckle mechanism used in conjunction with the connecting wire is fixedly connected to the left side of the fixed block, a positioning mechanism is movably connected inside the limiting plate, two connecting blocks are fixedly connected to the left side of the welding head, and positioning grooves used in conjunction with the positioning mechanism are provided on opposite sides of the two connecting blocks.

[0006] As a preferred embodiment of the present invention, the snap mechanism includes two connecting plates, and the opposite sides of the two connecting plates are fixedly connected with mounting blocks, the right side of the mounting block is fixedly connected to the fixing block, and the left side of the connecting plate is fixedly connected with a buckle used in conjunction with the connecting line.

[0007] As a preferred embodiment of the present invention, the positioning mechanism includes two movable plates, springs are fixedly connected between opposite sides of the two movable plates, and a positioning block used in conjunction with the positioning groove is fixedly connected to the side of the movable plate away from the spring.

[0008] As a preferred embodiment of the present invention, a fixing bolt is fixedly connected to the left side of the mounting block, and the mounting block is fixedly connected to the fixing block via the fixing bolt.

[0009] As a preferred embodiment of the present invention, a transmission plate is fixedly connected to the left side of the movable plate, a movable groove is opened on the left side of the limiting plate, and the left side of the transmission plate passes through the movable groove and extends to the outside of the limiting plate.

[0010] As a preferred embodiment of the present invention, the front side and the rear side of the movable plate are fixedly connected with sliders, and the front side and the rear side of the inner wall of the fixed block are provided with sliding grooves used in conjunction with the sliders.

[0011] As a preferred embodiment of the present invention, movable holes are provided at the top and the bottom of the limiting plate, and the side of the positioning block away from the movable plate passes through the movable holes and extends to the inner cavity of the positioning groove.

[0012] As a preferred embodiment of the present invention, a fixing rod is fixedly connected to the bottom of the fixing block, the limiting plate is sleeved on the surface of the fixing rod, and a limiting block used in conjunction with the limiting plate is fixedly connected to the bottom of the fixing rod.

[0013] As a preferred embodiment of the present invention, a fastening pad used in conjunction with the welding head is fixedly connected to the inner wall of the clamping plate, and a clamping block used in conjunction with the clamping plate is fixedly connected to the right side of the welding head.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention solves the problem that the existing high-precision laser welding robot is not convenient for convenient installation of the welding head and does not have the function of auxiliary positioning of the connecting line, causing inconvenience for users by arranging the coordinated use of a robot body, a snap mechanism, a positioning mechanism, a fixing block, a welding head, a connecting line, a limit plate, a connecting block, a clamping plate, a clamping block, a fastening pad, a movable hole, a movable groove, a transmission plate, a positioning groove, a limit block, a fixing rod, a slider, a slide groove and a fixing bolt.

[0016] 2. The present invention effectively realizes the function of positioning the connecting wire by setting a buckle mechanism, thereby realizing the effect of protecting the connecting wire and facilitating the use of the user.

[0017] 3. The present invention provides a positioning mechanism. When the positioning block in the positioning mechanism moves to the inner cavity of the positioning groove through the elastic force of the spring, the positioning function between the limit plate and the connecting block is effectively realized, thereby preventing the movement of the limit plate, facilitating the positioning of the welding head by the limit plate in cooperation with the clamping plate, and facilitating the use of the user.

[0018] 4. The present invention fixes the mounting block and the fixing block by setting fixing bolts, thereby achieving the effect of fixing the mounting block, facilitating the positioning of the connecting line by the buckle mechanism, and facilitating the use of the user.

[0019] 5. The present invention sets a transmission plate, which is fixedly connected to the movable plate, thereby facilitating the movement of the movable plate, and further facilitating the user to control the movement of the positioning mechanism, and facilitating the positioning block to move to the inner cavity of the positioning groove for positioning, thereby facilitating the installation and fixation of the welding joint and facilitating the use of the user.

[0020] 6. The present invention sets a slider and a slide groove for use together. The slider slides inside the slide groove, thereby effectively increasing the stability of the movement of the movable plate and realizing the function of limiting the movable plate, thereby preventing the movable plate from deflecting when moving, thereby making the positioning mechanism move stably and facilitating the use of the user.

[0021] 7. The present invention provides a movable hole, which is used in conjunction with the positioning block to effectively avoid the friction between the positioning block and the limiting plate, thereby facilitating the movement of the positioning block and the use of the user.

[0022] 8. The present invention facilitates the rotation of the limit plate by setting a fixing rod, thereby facilitating the limit plate to fix the welding head in cooperation with the clamping plate. By setting a limit block, the limit plate is effectively limited, thereby preventing the limit plate from separating from the fixing rod.

[0023] 9. The present invention effectively increases the friction between the clamping plate and the welding head by setting a fastening pad, and realizes the protection of the welding head. By setting a clamping block, the welding head is effectively limited, which facilitates the installation of the welding head and the use of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram provided by an embodiment of the present invention;

[0025] Figure 2It is a three-dimensional diagram of a local structure provided by an embodiment of the present invention;

[0026] Figure 3 is a three-dimensional diagram of a fixing block and a buckle mechanism provided by an embodiment of the present invention;

[0027] Figure 4 It is a three-dimensional diagram of a fixing block, a limiting plate and a clamping plate provided by an embodiment of the present invention;

[0028] Figure 5 The embodiment of the present invention provides Figure 4 A partial enlarged view of the middle A;

[0029] Figure 6 is a stereogram of a welding head and a connecting block provided by an embodiment of the present invention;

[0030] Figure 7 is a left sectional view of a local structure provided by an embodiment of the present invention;

[0031] Figure 8 It is a partial left-side sectional view of a limiting plate provided in an embodiment of the present invention.

[0032] In the figure: 1. robot body; 2. snap mechanism; 201. buckle; 202. connecting plate; 203. mounting block; 3. positioning mechanism; 301. movable plate; 302. positioning block; 303. spring; 4. fixed block; 5. welding head; 6. connecting line; 7. limit plate; 8. connecting block; 9. clamping plate; 10. clamping block; 11. fastening pad; 12. movable hole; 13. movable groove; 14. transmission plate; 15. positioning groove; 16. limit block; 17. fixing rod; 18. slider; 19. slide groove; 20. fixing bolt. DETAILED DESCRIPTION

[0033] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0034] The structure of the present invention is described in detail below in conjunction with the accompanying drawings.

[0035] like Figures 1 to 8As shown, a high-precision laser welding robot provided by an embodiment of the present invention includes a robot body 1, a fixed block 4 is fixedly connected to the bottom of the robot body 1, a welding head 5 is movably connected to the front side of the fixed block 4, a clamping plate 9 used in conjunction with the welding head 5 is fixedly connected to the bottom of the fixed block 4, a limiting plate 7 used in conjunction with the welding head 5 is rotatably connected to the bottom of the fixed block 4, a connecting line 6 is fixedly connected to the top of the welding head 5, a side of the connecting line 6 away from the welding head 5 is fixedly connected to the robot body 1, a buckle mechanism 2 used in conjunction with the connecting line 6 is fixedly connected to the left side of the fixed block 4, a positioning mechanism 3 is movably connected inside the limiting plate 7, two connecting blocks 8 are fixedly connected to the left side of the welding head 5, and positioning grooves 15 used in conjunction with the positioning mechanism 3 are provided on the opposite sides of the two connecting blocks 8.

[0036] refer to Figure 3 The buckle mechanism 2 includes two connecting plates 202, and the opposite sides of the two connecting plates 202 are fixedly connected with mounting blocks 203, the right side of the mounting block 203 is fixedly connected to the fixing block 4, and the left side of the connecting plate 202 is fixedly connected with a buckle 201 used in conjunction with the connecting line 6.

[0037] The above solution is adopted: by providing the buckle mechanism 2, the function of positioning the connecting wire 6 is effectively achieved, thereby achieving the effect of protecting the connecting wire 6, and facilitating the use of the user.

[0038] refer to Figure 8 The positioning mechanism 3 includes two movable plates 301 , a spring 303 is fixedly connected between opposite sides of the two movable plates 301 , and a positioning block 302 used in conjunction with the positioning groove 15 is fixedly connected to the side of the movable plate 301 away from the spring 303 .

[0039] The above-mentioned scheme is adopted: by setting a positioning mechanism 3, when the positioning block 302 in the positioning mechanism 3 moves to the inner cavity of the positioning groove 15 through the elastic force of the spring 303, the positioning function between the limit plate 7 and the connecting block 8 is effectively realized, thereby preventing the movement of the limit plate 7, and facilitating the limit plate 7 to cooperate with the clamping plate 9 to position the welding head 5, which is convenient for the user to use.

[0040] refer to Figure 3 The left side of the mounting block 203 is fixedly connected with a fixing bolt 20 , and the mounting block 203 is fixedly connected to the fixing block 4 through the fixing bolt 20 .

[0041] The above solution is adopted: by setting the fixing bolt 20, the fixing bolt 20 fixes the mounting block 203 and the fixing block 4, thereby achieving the effect of fixing the mounting block 203, facilitating the positioning of the connecting line 6 by the buckle mechanism 2, and facilitating the use of the user.

[0042] refer to Figure 5 and Figure 8 The left side of the movable plate 301 is fixedly connected with a transmission plate 14 , the left side of the limiting plate 7 is provided with a movable groove 13 , and the left side of the transmission plate 14 passes through the movable groove 13 and extends to the outside of the limiting plate 7 .

[0043] The above scheme is adopted: by setting a transmission plate 14, the transmission plate 14 is fixedly connected to the movable plate 301, thereby facilitating the movement of the movable plate 301, and then facilitating the user to control the movement of the positioning mechanism 3, and facilitating the positioning block 302 to move to the inner cavity of the positioning groove 15 for positioning, thereby facilitating the installation and fixation of the welding head 5 and facilitating the use of the user.

[0044] refer to Figure 8 The front and rear sides of the movable plate 301 are fixedly connected with a slider 18 , and the front and rear sides of the inner wall of the fixed block 4 are provided with a slide groove 19 used in conjunction with the slider 18 .

[0045] The above scheme is adopted: by setting the slider 18 and the slide groove 19 for coordinated use, the slider 18 slides inside the slide groove 19, thereby effectively increasing the stability of the movement of the movable plate 301, and realizing the function of limiting the movable plate 301, preventing the movable plate 301 from deflecting when moving, thereby making the positioning mechanism 3 move stably, and facilitating the use of the user.

[0046] refer to Figure 5 and Figure 8 The top and bottom of the limiting plate 7 are both provided with movable holes 12 , and the side of the positioning block 302 away from the movable plate 301 passes through the movable hole 12 and extends to the inner cavity of the positioning groove 15 .

[0047] The above solution is adopted: by providing the movable hole 12, the movable hole 12 is used in conjunction with the positioning block 302, which effectively avoids the friction between the positioning block 302 and the limiting plate 7, thereby facilitating the movement of the positioning block 302 and facilitating the use of the user.

[0048] refer to Figure 7 The bottom of the fixed block 4 is fixedly connected with a fixing rod 17 , the limiting plate 7 is sleeved on the surface of the fixing rod 17 , and the bottom of the fixing rod 17 is fixedly connected with a limiting block 16 used in conjunction with the limiting plate 7 .

[0049] The above scheme is adopted: by setting the fixing rod 17, the rotation of the limit plate 7 is facilitated, thereby facilitating the limit plate 7 to cooperate with the clamping plate 9 to fix the welding head 5, and by setting the limit block 16, the limit plate 7 is effectively limited, preventing the limit plate 7 from separating from the fixing rod 17.

[0050] refer to Figure 2 and Figure 4A fastening pad 11 used in conjunction with the welding head 5 is fixedly connected to the inner wall of the clamping plate 9 , and a clamping block 10 used in conjunction with the clamping plate 9 is fixedly connected to the right side of the welding head 5 .

[0051] The above scheme is adopted: by setting the fastening pad 11, the friction between the clamping plate 9 and the welding head 5 is effectively increased, and the protection of the welding head 5 is achieved. By setting the clamping block 10, the limiting function of the welding head 5 is effectively achieved, which facilitates the installation of the welding head 5 and the use of the user.

[0052] Working principle of the present invention:

[0053] During use, when the user needs to install and fix the welding head 5, the user clamps the clamping block 10 of the welding head 5 on the clamping plate 9, and the user controls the movement of the transmission plate 14, the transmission plate 14 slides inside the movable groove 13, and the transmission plate 14 drives the movement of the movable plate 301, the movable plate 301 drives the slider 18 to slide inside the slide groove 19, and the movement of the movable plate 301 squeezes the spring 303, and the movement of the movable plate 301 drives the positioning block 302 to move to the inner cavity of the limit plate 7, the user controls the rotation of the limit plate 7, the limit plate 7 rotates on the surface of the fixing rod 17, the rotation of the limit plate 7 contacts with the welding head 5, and the limit plate 7 Contacting with the clamping plate 9, the limit plate 7 rotates to between the two connecting blocks 8, the user releases the force on the transmission plate 14, and the reset rebound of the spring 303 drives the positioning block 302 to move to the inner cavity of the positioning groove 15 for positioning through the movable plate 301, thereby realizing the function of positioning the connecting block 8, and then realizing the convenient fixation of the welding head 5, and the user puts the buckle 201 on the surface of the connecting line 6, and the buckle 201 drives the connecting plate 202, and the connecting plate 202 drives the mounting block 203, and the mounting block 203 is fixedly connected with the fixing block 4 through the fixing bolt 20, thereby realizing the effect of auxiliary positioning of the connecting line 6, which is convenient for the user to use.

[0054] To sum up: the high-precision laser welding robot solves the problem that the existing high-precision laser welding robot is not convenient for convenient installation of the welding head and does not have the function of auxiliary positioning of the connecting line, which makes it inconvenient for users to use, by setting the robot body 1, the snap mechanism 2, the positioning mechanism 3, the fixing block 4, the welding head 5, the connecting line 6, the limit plate 7, the connecting block 8, the clamping plate 9, the clamping block 10, the fastening pad 11, the movable hole 12, the movable groove 13, the transmission plate 14, the positioning groove 15, the limit block 16, the fixing rod 17, the slider 18, the slide groove 19 and the fixing bolt 20.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision laser welding robot, comprising a robot body (1), characterized in that: The bottom of the robot body (1) is fixedly connected to a fixed block (4), the front side of the fixed block (4) is movably connected to a welding head (5), the bottom of the fixed block (4) is fixedly connected to a clamping plate (9) used in conjunction with the welding head (5), the bottom of the fixed block (4) is rotatably connected to a limiting plate (7) used in conjunction with the welding head (5), the top of the welding head (5) is fixedly connected to a connecting line (6), the side of the connecting line (6) away from the welding head (5) is fixedly connected to the robot body (1), the left side of the fixed block (4) is fixedly connected to a buckle mechanism (2) used in conjunction with the connecting line (6), the inside of the limiting plate (7) is movably connected to a positioning mechanism (3), the left side of the welding head (5) is fixedly connected to two connecting blocks (8), and the opposite sides of the two connecting blocks (8) are each provided with a positioning groove (15) used in conjunction with the positioning mechanism (3); The buckle mechanism (2) comprises two connecting plates (202), the two connecting plates (202) are fixedly connected to mounting blocks (203) on opposite sides, the right side of the mounting blocks (203) is fixedly connected to the fixing block (4), and the left side of the connecting plate (202) is fixedly connected to a buckle (201) used in conjunction with the connecting line (6); The positioning mechanism (3) comprises two movable plates (301), a spring (303) being fixedly connected between opposite sides of the two movable plates (301), and a positioning block (302) for use with the positioning groove (15) being fixedly connected to a side of the movable plate (301) away from the spring (303); A fixing bolt (20) is fixedly connected to the left side of the mounting block (203), and the mounting block (203) is fixedly connected to the fixing block (4) via the fixing bolt (20); The left side of the movable plate (301) is fixedly connected to a transmission plate (14), the left side of the limit plate (7) is provided with a movable groove (13), and the left side of the transmission plate (14) passes through the movable groove (13) and extends to the outside of the limit plate (7); The front and rear sides of the movable plate (301) are both fixedly connected with a sliding block (18), and the front and rear sides of the inner wall of the fixed block (4) are both provided with a sliding groove (19) for use with the sliding block (18); The top and bottom of the limiting plate (7) are both provided with movable holes (12), and the side of the positioning block (302) away from the movable plate (301) passes through the movable hole (12) and extends to the inner cavity of the positioning groove (15); The bottom of the fixing block (4) is fixedly connected to a fixing rod (17), the limiting plate (7) is sleeved on the surface of the fixing rod (17), and the bottom of the fixing rod (17) is fixedly connected to a limiting block (16) used in conjunction with the limiting plate (7).

2. A high-precision laser welding robot as claimed in claim 1, characterized in that: A fastening pad (11) used in conjunction with the welding head (5) is fixedly connected to the inner wall of the clamping plate (9), and a clamping block (10) used in conjunction with the clamping plate (9) is fixedly connected to the right side of the welding head (5).

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