CN113770618B

CN113770618B - Robot welding system

Info

Publication number: CN113770618B
Application number: CN202110678565.5A
Authority: CN
Inventors: 陈进喜; 高爱勇
Original assignee: Zhangzhou Endexin Metal Products Co ltd
Current assignee: Zhangzhou Endexin Metal Products Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2023-03-31
Anticipated expiration: 2041-06-18
Also published as: CN113770618A

Abstract

The invention discloses a robot welding system which comprises a welding support, wherein a clamping mechanism, a fixing framework, a welding mechanism and an angle adjusting mechanism are arranged on the welding support, and the clamping mechanism comprises a base rod, a clamping rod and a worm which are arranged on one side of the welding support; the fixing mechanism comprises a fixing rod arranged on the welding bracket, and an extension plate is arranged on the end surface of one side of the abutting plate, which is far away from the welding bracket; the welding mechanism comprises a welding guide rail crossing the upper part of the welding bracket, a guide block horizontally arranged on the welding guide rail in a sliding manner, and a welding head vertically arranged on the guide block in a sliding manner; the angle adjusting assembly comprises sliding blocks symmetrically arranged on two sides of the welding support, and further comprises a locking bolt in threaded connection with the bottom of the welding guide rail.

Description

Robot welding system

Technical Field

The invention relates to the technical field of welding equipment, in particular to a robot welding system.

Background

With the development of machining technology, when welding metal pipes, a welding robot is generally used to improve the work efficiency.

The welding point positioning device of the welding robot, which is disclosed as CN108673032A in the prior art, structurally comprises a welding head, a robot forearm, a control cable, a supporting arm, a welding point positioning device, a workbench, a console and a workbench base, wherein the head end of the welding head is fixedly connected with the tail end of the robot forearm in a welding mode and is positioned above the workbench base.

The existing solutions described above have the following problems: the device can not diversely fix a position and correct to the panel welding, can not diversely carry out spot welding and full weld to the welding between panel and the panel.

Disclosure of Invention

The present invention is directed to a robot welding system to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a robot welding system comprises a welding support, wherein a clamping mechanism, a fixing mechanism, a welding mechanism and an angle adjusting mechanism are respectively arranged on the welding support, the clamping mechanism comprises a base rod, clamping rods and a worm, the base rod, the clamping rods and the worm are arranged on one side of the upper surface of the welding support, the clamping rods are symmetrically arranged at two ends of the length direction of the base rod, one ends of the clamping rods are rotatably connected with the base rod, and the worm is rotatably connected into the base rod and meshed with one ends of the clamping rods to drive the clamping rods to rotate; the fixing mechanism comprises a fixing rod which is arranged on the welding support and is opposite to the base rod, the fixing mechanism also comprises a resisting plate and an elastic assembly which drives the resisting plate to move towards one side of the base rod, an extending plate is arranged on the end surface of one side, away from the welding support, of the resisting plate, the extending plate extends towards one side of the base rod, and a fixing bolt for fixing a steel plate to be welded is arranged on the extending plate; the welding mechanism comprises a welding guide rail crossing the upper part of the welding bracket, a guide block horizontally arranged on the welding guide rail in a sliding manner, and a welding head vertically arranged on the guide block in a sliding manner; the angle adjusting assembly comprises sliders symmetrically arranged on two sides of the welding support, sliding chutes for the sliders to slide horizontally are formed in two sides of the welding support, two sides of the bottom of the welding guide rail are respectively connected with two sides of the sliders in a rotating mode, the angle adjusting assembly further comprises locking bolts in threaded connection with the bottom of the welding guide rail, and the locking bolts are in threaded connection with the sliders.

Preferably, a rotating groove is formed in the end face, close to the fixed rod, of one side of the base rod, a rotating rod is arranged in the rotating groove, a worm wheel meshed with the worm is arranged at one end of the clamping rod, the worm wheel is sleeved on the rotating rod, and the clamping rod is rotatably arranged in the rotating groove through the matching of the worm wheel and the rotating rod.

Preferably, a guide rod is arranged on the end face of one side, close to the fixed rod, of the abutting plate, one end, far away from the abutting plate, of the guide rod penetrates through the fixed rod and is in sliding connection with the fixed rod, and an anti-falling block is further arranged at one end, far away from the abutting plate, of the guide rod.

Preferably, the extension plates are symmetrically arranged at two ends of the abutting plate in the length direction, the fixing bolt penetrates through the extension plates and is in threaded connection with the extension plates, and a pressing plate used for pressing the to-be-welded dry plate is arranged at the bottom end of the fixing bolt.

Preferably, the elastic component comprises a pushing spring, and the pushing spring is sleeved on the part of the guide rod, which is located between the abutting plate and the fixing rod.

Preferably, the welding guide rail comprises a cross rod stretching over the welding support and vertical rods symmetrically arranged at two ends of the cross rod in the length direction, sliding grooves are longitudinally formed in the cross rod, clamping grooves are symmetrically formed in two sides of the guide block and are respectively connected to two side walls of the sliding grooves in a clamped mode, and the guide block is arranged on the cross rod in a sliding mode through the clamping grooves and the sliding grooves in a horizontal sliding mode.

Preferably, the welding head penetrates through the guide block and is arranged on the guide block in a vertically sliding mode, a dome is arranged at the top of the welding head, and a return spring is sleeved on the rod body part, located between the dome and the guide block, of the welding head.

Preferably, two the slide block has seted up on the relative side end face of keeping away from and has changeed the hole, change evenly to have seted up angle adjusting groove on the hole circumference inner wall, two be equipped with on the side end face that the montant is close to each other and be used for the card to go into the downthehole minor axis of commentaries on classics, be equipped with the angle adjusting lever that matches with angle adjusting groove on the minor axis outer wall.

Preferably, a first screw hole is formed in the vertical rod, a second screw hole axially coincident with the first screw hole is formed in the sliding block, and the locking bolt is screwed in the first screw hole and the second screw hole.

Compared with the prior art, the invention has the beneficial effects that:

the steel plate welding fixture can support steel plates to be welded, and clamp the outer sides of the two steel plates to be welded by rotating the clamping rods arranged on the two sides of the base rod; the action of the abutting plate and the pushing spring can be used for conveniently carrying out preliminary positioning on each side of the steel plate to be welded; the upper surface of the steel plate to be welded is conveniently compressed through the extension plate arranged on the abutting plate and the fixing bolt screwed on the extension plate, so that the steel plate to be welded is prevented from shaking or uneven placement; through setting up the welding track and with the slider that rotates the setting on the welding track, be convenient for adjust the welding angle of welding head on the welding slide rail, improve the welding precision and the quality of welding the steel sheet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the whole of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic view showing the mechanism of the present embodiment for highlighting the short axis.

In the drawings, the components represented by the respective reference numerals are listed below:

1. welding a bracket; 2. a base shaft; 3. a clamping bar; 4. a worm; 5. fixing the rod; 6. an extension plate; 7. fixing the bolt; 8. welding the guide rail; 9. a guide block; 10. welding a head; 11. a slider; 12. locking the bolt; 13. rotating the groove; 14. a rotating rod; 15. a worm gear; 16. a guide bar; 17. an anti-drop block; 18. pressing a plate; 19. a push spring; 20. a cross bar; 21. a vertical rod; 22. a sliding groove; 23. a card slot; 24. a dome; 25. a return spring; 26. hole turning; 27. an angle adjusting groove; 28. an angle adjusting rod; 29. a first screw hole; 30. a second screw hole; 31. a minor axis; 32. a resisting plate; 33. a chute.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a robot welding system comprises a welding support 1, wherein a clamping mechanism, a fixing mechanism, a welding mechanism and an angle adjusting mechanism are respectively arranged on the welding support 1, the clamping mechanism comprises a base rod 2, clamping rods 3 and a worm 4, the base rod 2, the clamping rods 3 and the worm 4 are arranged on one side of the upper surface of the welding support 1, the clamping rods 3 are symmetrically arranged at two ends of the length direction of the base rod 2, one ends of the clamping rods 3 are rotatably connected with the base rod 2, and the worm 4 is rotatably connected into the base rod 2 and meshed with one ends of the clamping rods 3 to drive the clamping rods 3 to rotate; the fixing mechanism comprises a fixing rod 5 which is arranged on the welding support 1 and is opposite to the base rod 2, the fixing mechanism further comprises a resisting plate 32 and an elastic assembly which drives the resisting plate 32 to move towards one side of the base rod 2, an extending plate 6 is arranged on the end face, away from the welding support 1, of one side of the resisting plate 32, the extending plate 6 extends towards one side of the base rod 2, and a fixing bolt 7 used for fixing a steel plate to be welded is arranged on the extending plate 6; the welding mechanism comprises a welding guide rail 8 which stretches across the upper part of the welding bracket 1, a guide block 9 which is horizontally arranged on the welding guide rail 8 in a sliding manner, and a welding head 10 which is arranged on the guide block 9 in a vertical sliding manner; the angle adjusting assembly comprises sliders 11 symmetrically arranged on two sides of the welding support 1, sliding grooves 33 for the sliders 11 to horizontally slide are formed in two sides of the welding support 1, two sides of the bottom of the welding guide rail 8 are rotatably connected with the sliders 11 on two sides respectively, the angle adjusting assembly further comprises locking bolts 12 in threaded connection with the bottom of the welding guide rail 8, and the locking bolts 12 are in threaded connection with the sliders 11.

Specifically, the rotating groove 13 has been seted up on base rod 2 is close to one side terminal surface of dead lever 5, is provided with bull stick 14 in the rotating groove 13, and the one end of clamping bar 3 is equipped with the worm wheel 15 with worm 4 looks meshing, and on bull stick 14 was located to worm wheel 15 cover, clamping bar 3 rotated through the cooperation of worm wheel 15 with bull stick 14 and set up in rotating groove 13, what need explain is: two ends of the length direction of the worm 4 can form a worm wheel 15 with the worm wheel 15, the worm 4 is meshed with the worm wheel 15, the rotating directions of the two ends of the worm 4 are two-way rotating directions, the worm wheel 15 can be driven to rotate by rotating the worm 4, and therefore the two clamping rods 3 are driven to rotate towards opposite or opposite directions, and the steel plates to be welded are clamped or loosened.

Specifically, a guide rod 16 is arranged on an end face of one side of the abutting plate 32 close to the fixing rod 5, one end of the guide rod 16 far away from the abutting plate 32 penetrates through the fixing rod 5 and is in sliding connection with the fixing rod 5, and an anti-falling block 17 is further arranged at one end of the guide rod 16 far away from the abutting plate 32.

Specifically, the extension plates 6 are symmetrically arranged at two ends of the support plate 32 in the length direction, the fixing bolts 7 penetrate through the extension plates 6 and are in threaded connection with the extension plates 6, the pressing plates 18 used for pressing the dry plates to be welded are arranged at the bottom ends of the fixing bolts 7, and when the support plate 32 slides to tightly abut against one side of the steel plates to be welded, the fixing bolts 7 can be rotated to drive the pressing plates 18 to tightly press the two steel plates to be welded, so that the welding flatness of the steel plates is improved, and the thermal deformation caused by high temperature is reduced.

Specifically, the elastic assembly comprises a pushing spring 19, the guide rod 16 is sleeved with the pushing spring 19, and the portion between the abutting plate 32 and the fixing rod 5 is located, so that the welded steel plate can be conveniently and preliminarily positioned.

It is specific, welding guide rail 8 sets up in the montant 21 at the length direction's of horizontal pole 20 both ends including spaning in the horizontal pole 20 and the symmetry of welding stent 1 top and constitutes, the groove 22 that slides has vertically been seted up on horizontal pole 20, draw-in groove 23 has been seted up to the bilateral symmetry of guide block 9, two draw-in grooves 23 joint respectively is on the both sides lateral wall in groove 22 that slides, guide block 9 sets up on horizontal pole 20 through draw-in groove 23 and the cooperation horizontal slip in groove 22 that slides, slip through guide block 9 can drive soldered connection 10 to assigned position, thereby treat the junction of welded steel board to two and weld.

Specifically, the welding head 10 penetrates through the guide block 9 and is arranged on the guide block 9 in a vertically sliding mode, the top of the welding head 10 is provided with the dome 24, and the rod body part, located between the dome 24 and the guide block 9, of the welding head 10 is sleeved with the return spring 25.

It is specific, the hole 26 has been seted up to changeing on the side end face that two sliders 11 kept away from relatively, angle adjustment groove 27 has evenly been seted up on changeing the hole 26 circumference inner wall, be equipped with on the side end face that two montants 21 are close to each other and be used for the card to go into to change minor axis 31 in the hole 26, be equipped with on the minor axis 31 outer wall with angle adjustment groove 27 assorted angle modulation pole 28, welding guide rail 8 forms the required rotation of angle modulation through minor axis 31 and the cooperation of changeing hole 26, through the cooperation of adjusting pole with the adjustment groove, certain precision positioning effect can carry out, slider 11 slides and sets up on welding support 1, treat the width of two steel sheets of welded different, can be through the slip of slider 11, can treat welded steel sheet junction with soldered connection 10 removal to two, weld again.

Specifically, seted up first screw 29 on the montant 21, seted up on the slider 11 with the second screw 30 of first screw 29 axial coincidence, locking bolt 12 spiro union is in first screw 29 and second screw 30, and what need explain is: the first screw hole 29 penetrates through the vertical rod 21, the second screw hole 30 penetrates through the sliding block 11, and after the angle and the horizontal position of the welding guide rail 8 are adjusted, the locking bolt 12 is rotated to abut against the inner end face of the sliding groove 33, so that the sliding of the sliding block 11 is limited, and the rotation of the vertical rod 21 can also be limited.

One specific application example of this embodiment is:

when the device is used, when two steel plates are horizontally welded, the resisting plate 32 is pulled, the resisting plate 32 compresses the pushing spring 19 to drive the guide rod 16 to slide outwards on the fixed rod 5, the two steel plates are attached and placed on the welding bracket 1, the resisting plate 32 is loosened, the pushing resisting plate 32 is pushed to preliminarily clamp the two steel plates under the action of the pushing spring 19, and two sides of the two steel plates are preliminarily fixed by the base rod 2 and the resisting plate 32; the worm 4 on the base rod 2 is rotated, and the worm 4 is meshed with the worm wheel 15 so as to drive the clamping rods 3 on the two sides to rotate towards the opposite inner sides, so that the other two sides of the steel plate to be welded are abutted; the fixing bolt 7 on the extension plate 6 is rotated to enable the two pressing plates 18 to respectively press the two steel plates, so that the whole positioning of the steel plates is completed; through the sliding block 11, the sliding block 11 slides to drive the welding guide rail 8 to slide, the welding head 10 is driven to be aligned to the splicing position of the two steel plates, the angle driving vertical rod 21 and the sliding block 11 rotate according to the requirement of the welding head 10 for welding the steel plates, after the adjustment is completed, the locking bolt 12 is rotated to be abutted against the inner wall of the sliding groove 33, so that the welding track is fixed, the guide block 9 is pushed to enable the guide block 9 to slide on the sliding groove 22, meanwhile, the welding head 10 is pushed downwards to enable the dome 24 to compress the return spring 25 to enable the welding head 10 to slide downwards, and therefore the splicing position of the two steel plates is welded.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like are used in the orientation or positional relationship indicated on the drawings only for the convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a welding system of robot, includes welding stent (1), be equipped with clamping machine structure, fixed establishment and welding mechanism and angle adjustment mechanism, its characterized in that on welding stent (1) respectively: the clamping mechanism comprises a base rod (2), clamping rods (3) and a worm (4), wherein the base rod (2), the clamping rods (3) and the worm (4) are arranged on one side of the upper surface of the welding support (1), the clamping rods (3) are symmetrically arranged at two ends of the length direction of the base rod (2), one ends of the clamping rods (3) are rotatably connected with the base rod (2), and the worm (4) is rotatably connected into the base rod (2) and meshed with one ends of the clamping rods (3) to drive the clamping rods (3) to rotate; the fixing mechanism comprises a fixing rod (5) which is arranged on the welding support (1) and is opposite to the base rod (2), the fixing mechanism further comprises a resisting plate (32) and an elastic component which drives the resisting plate (32) to move towards one side of the base rod (2), an extending plate (6) is arranged on the end surface of one side, away from the welding support (1), of the resisting plate (32), the extending plate (6) extends towards one side of the base rod (2), and a fixing bolt (7) used for fixing a steel plate to be welded is arranged on the extending plate (6); the welding mechanism comprises a welding guide rail (8) which stretches across the upper part of the welding bracket (1), a guide block (9) which is horizontally arranged on the welding guide rail (8) in a sliding manner, and a welding head (10) which is arranged on the guide block (9) in an up-and-down sliding manner; angle adjustment mechanism sets up slider (11) in the both sides of welding bracket (1) including the symmetry, spout (33) that supply slider (11) horizontal slip are seted up to the both sides of welding bracket (1), the both sides of welding guide rail (8) bottom respectively with both sides slider (11) rotate to be connected, angle adjustment mechanism still includes threaded connection in locking bolt (12) of welding guide rail (8) bottom, locking bolt (12) and slider (11) threaded connection.

2. A robotic welding system as claimed in claim 1, wherein: the base rod (2) is close to and has seted up on one side terminal surface of dead lever (5) turn trough (13), be provided with bull stick (14) in turn trough (13), the one end of clamping bar (3) is equipped with worm wheel (15) with worm (4) looks meshing, worm wheel (15) cover is located on bull stick (14), and clamping bar (3) rotate through the cooperation of worm wheel (15) and bull stick (14) and set up in turn trough (13).

3. A robotic welding system as defined in claim 1, wherein: the anti-falling device is characterized in that a guide rod (16) is arranged on the end face of one side, close to the fixing rod (5), of the abutting plate (32), one end, far away from the abutting plate (32), of the guide rod (16) penetrates through the fixing rod (5) and is in sliding connection with the fixing rod (5), and an anti-falling block (17) is further arranged at one end, far away from the abutting plate (32), of the guide rod (16).

4. A robotic welding system as claimed in claim 3, wherein: the extension plates (6) are symmetrically arranged at two ends of the resisting plate (32) in the length direction, the fixing bolts (7) penetrate through the extension plates (6) and form threaded connection with the extension plates (6), and the bottom ends of the fixing bolts (7) are provided with pressing plates (18) used for pressing plates to be welded.

5. A robotic welding system as claimed in claim 4, wherein: the elastic component comprises a pushing spring (19), and the pushing spring (19) is sleeved on the part, located between the abutting plate (32) and the fixing rod (5), of the guide rod (16).

6. A robotic welding system as defined in claim 1, wherein: welding guide rail (8) set up in montant (21) at the length direction's of horizontal pole (20) including spaning horizontal pole (20) and the symmetry in welding stent (1) top and constitute, vertically seted up on horizontal pole (20) and slided groove (22), draw-in groove (23) have been seted up to the bilateral symmetry of guide block (9), two draw-in groove (23) joint respectively on the both sides lateral wall of sliding groove (22), guide block (9) set up on horizontal pole (20) through draw-in groove (23) and the cooperation horizontal slip of sliding groove (22).

7. A robotic welding system as claimed in claim 6, wherein: the welding head (10) penetrates through the guide block (9) and is arranged on the guide block (9) in a vertically sliding mode, a dome (24) is arranged at the top of the welding head (10), and a return spring (25) is sleeved on a rod body portion, located between the dome (24) and the guide block (9), of the welding head (10).

8. A robotic welding system as claimed in claim 6, wherein: two seted up on the relative one side terminal surface of keeping away from of slider (11) and changeed hole (26), evenly seted up angle adjusting groove (27) on changeing hole (26) circumference inner wall, two be equipped with on the side terminal surface that is close to each other of montant (21) and be used for the card to go into minor axis (31) in changeing hole (26), be equipped with on minor axis (31) outer wall with angle adjusting groove (27) assorted angle modulation pole (28).

9. A robotic welding system as defined in claim 8, wherein: the vertical rod (21) is provided with a first screw hole (29), the sliding block (11) is provided with a second screw hole (30) axially coincident with the first screw hole (29), and the locking bolt (12) is screwed in the first screw hole (29) and the second screw hole (30).