CN113523563B

CN113523563B - Automatic spacing laser-beam welding machine

Info

Publication number: CN113523563B
Application number: CN202110894620.4A
Authority: CN
Inventors: 黄家兴; 胡继红; 邹云朋
Original assignee: Shenzhen Linxinda Intelligent Equipment Co ltd
Current assignee: Shenzhen Linxinda Intelligent Equipment Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2023-01-10
Anticipated expiration: 2041-08-05
Also published as: CN113523563A

Abstract

The invention belongs to the technical field of welding equipment, and particularly relates to an automatic limiting laser welding machine, aiming at the problem that the welding machine is difficult to weld plates with uneven surfaces, the automatic limiting laser welding machine comprises a workbench, wherein an outer rod is connected onto a welding machine body, a movable groove is formed in the bottom of the outer rod, a spring is fixed in the movable groove, an inner rod is fixed at the bottom of the spring, a positioning plate is fixed at the bottom of the inner rod, a welding head is fixed in the middle of the positioning plate, rollers are rotatably connected to two sides of the bottom of the positioning plate, two limiting grooves are formed in two sides of the movable groove, limiting blocks are connected in the limiting grooves in a sliding mode, and the two limiting blocks are respectively and fixedly connected with the inner rod. According to the invention, the welding head moves linearly, when the welding head moves to the concave position on the plate, the inner rod moves downwards to drive the positioning plate and the welding head to move downwards, and when the welding head moves to the convex position on the plate, the welding head moves upwards, so that the welding head is kept in contact with the surface of the plate and is welded.

Description

Automatic spacing laser-beam welding machine

Technical Field

The invention relates to the technical field of welding equipment, in particular to an automatic limiting laser welding machine.

Background

Laser welding machines, also known as laser welding machines and laser welding machines, are machines for laser material processing. Its degree of automation is high, welding process flow is simple, divide into laser mould welding machine, automatic laser-beam welding machine, laser spot welder, optical fiber transmission laser-beam welding machine etc. according to working method, can weld the figure and have: point, straight line, circle, square or any planar graph drawn by AUTOCAD software. The laser welding machine utilizes high-energy laser pulses to locally heat materials in a micro area, the energy of laser radiation is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool so as to achieve the purpose of welding.

Laser welding has that the welding seam width is little, the deformation is little, welding speed is fast, the welding seam levels advantages such as, consequently by wide use in welding operation, but current laser-beam welding machine generally only is applicable to the comparatively level and smooth plate in welded surface, is difficult to weld processing to the plate of surperficial unevenness, and during the welding, the quality is difficult to guarantee, consequently, makes corresponding improvement to this problem.

Disclosure of Invention

The invention provides an automatic limiting laser welding machine based on the technical problem that a welding machine is difficult to weld plates with uneven surfaces.

The invention provides an automatic limiting laser welding machine which comprises a workbench, wherein a welding machine body is installed at the top of the workbench, a baffle is fixed on one side of the top of the workbench through a bolt, an outer rod is connected onto the welding machine body, a movable groove is formed in the bottom of the outer rod, a spring is fixed in the movable groove through the bolt, an inner rod is fixed at the bottom of the spring through the bolt, the inner rod is arranged in the movable groove, a positioning plate is fixed at the bottom of the inner rod through the bolt, the cross section of the positioning plate is arranged in a U shape, a welding head is fixed in the middle of the positioning plate through the bolt, two sides of the bottom of the positioning plate are rotatably connected with rollers through bearings, two limiting grooves are symmetrically formed in two sides of the movable groove, and limiting blocks are connected in a sliding mode and fixedly connected with corresponding positions of the inner rod respectively.

Preferably, a plurality of ball grooves which are evenly distributed are formed in the side wall of the limiting groove, balls are movably connected in the ball grooves, and the surfaces of the balls are in parallel contact with the limiting block.

Preferably, a first sliding groove is formed in the top of the workbench, a first sliding block is connected in the first sliding groove in a sliding mode, a first screw rod is connected to the first sliding block in a penetrating mode through threads, the inner side of the first screw rod is rotatably connected with the inner wall of the first sliding groove through a bearing, and a clamping plate is fixed to the top of the first sliding block through bolts.

Preferably, a second sliding groove is formed in the clamping plate in a penetrating mode, a second sliding block is connected to the second sliding groove in a sliding mode, a second screw rod is connected to the second sliding block in a penetrating mode through threads, the second screw rod and the inner wall of the second sliding groove are connected through a bearing in a rotating mode, a worm wheel is fixedly arranged on the second screw rod in a sleeved mode, a connecting rod is fixedly arranged on the inner side of the second sliding block through bolts, the connecting rod is arranged to incline downwards towards one side of the baffle, a pressing block is fixedly arranged at the bottom of the connecting rod through bolts, and a transmission mechanism is arranged on the first screw rod.

Preferably, the transmission mechanism is sleeved with and fixed with a hand wheel on the first screw rod, the outer wall of the circumference of the hand wheel is fixed with a plurality of blocking blocks distributed in an annular array through bolts, the blocking blocks are arranged into a peanut shell structure, the top of the inner wall of the second chute is fixed with a first supporting rod through bolts, the bottom of the first supporting rod is connected with a worm through a bearing in a rotating mode, the worm is meshed with the worm wheel and connected with the worm, the outer wall of the circumference of the worm is fixed with a plurality of pushing blocks distributed in an annular array through bolts, and the pushing blocks are arranged into a sickle shape.

Preferably, the bottom of the pressing block is provided with a plurality of pressing grooves, and the cross sections of the pressing grooves are arranged in a V shape.

Preferably, the outer wall of the circumference of the roller is welded with a plurality of tooth blocks distributed in an annular array mode, a second supporting rod is fixed at the rear end of the positioning plate through bolts, the bottom of the inner side of the second supporting rod is rotatably connected with a gear through a bearing, the gear is meshed with the roller and is connected with the inner side of the gear, and a fan is fixed on the inner side of the gear through bolts.

Preferably, a plurality of extrusion blocks distributed in an annular array are welded on the circumferential outer wall of the roller, the sections of the extrusion blocks are arranged in a mushroom shape, a third supporting rod is fixed at the rear end of the positioning plate through a bolt, an air bag is bonded at the bottom of the third supporting rod, and an air bag nozzle is arranged to be opposite to the welding head.

Compared with the prior art, the invention provides an automatic limiting laser welding machine, which has the following beneficial effects:

1. the utility model provides an automatic spacing laser-beam welding machine, through setting up the gyro wheel, it leans on tight baffle to align two plates that need carry out the welding, utilize one hand to press the plate, start the welding machine body, make the soldered connection remove to the starting point of welding position, gyro wheel and plate surface contact compress tightly this moment, the drive soldered connection carries out rectilinear movement, the gyro wheel rolls along the straight line on the plate surface, when the soldered connection removes the sunk position on the plate, because the elastic action of spring, pole downwardly moving in promoting, then drive locating plate and soldered connection downwardly moving, when the soldered connection removes the bellying position on the plate, the soldered connection can the rebound, thereby make the soldered connection keep and plate surface contact and weld, thereby be convenient for carry out welding process to the plate of surperficial unevenness, the cooperation of spacing groove and stopper, can improve the stability of pole moving process in, it is further, be provided with ball groove and ball, can make ball and stopper carry out rolling friction, thereby reduce the moving resistance of pole, thereby make the moving process of soldered connection more nimble, thereby improve welding quality.

2. This automatic spacing laser-beam welding machine, through setting up the briquetting, rotate first screw rod, make first slider slide along first spout, then drive splint and remove to baffle one side, then fix the welded plate, thereby replace and fix with the hand, thereby improve stability and security when welding, furthermore, the rotation of first screw rod drives the hand wheel and rotates, then drive the resistance block and rotate, the pivoted resistance block strikes the push block in proper order, make push block and worm rotate, the worm meshing drives the worm wheel and rotates, then drive the second screw rod and rotate, make the second slider move down along the second spout, thereby drive connecting rod and briquetting move down and push down the top of plate and push down, thereby further improve fixed effect, furthermore, the push block sets up sickle form, the resistance block sets up peanut shell structure, can improve the transmission cooperation between resistance block and the push block, furthermore, a plurality of indent have been seted up to the briquetting bottom, the indent cross-section sets up V-arrangement, can effectively improve the roughness of briquetting, thereby further improve fixed effect.

3. This automatic spacing laser-beam welding machine, through setting up the fan, the gyro wheel rotates and makes the tooth piece rotate, and then the meshing drives the gear rotation, drives the fan rotation then, and the pivoted fan drives the air current and flows to the solidification of welding liquid with higher speed, thereby improve the welding effect.

4. This automatic spacing laser-beam welding machine, through setting up the extrusion piece, the gyro wheel rotates and makes the extrusion piece rotate, the extrusion piece extrudees the gasbag one by one, the gasbag receives the extrusion back, from the nozzle with the air blowout, then under the elastic action of self, the reconversion, breathe in, the air-jet all drives the air current with inspiratory process and flows, thereby the solidification of welding fluid accelerates, thereby improve welding effect, the extrusion piece cross-section sets up to the mushroom form, can improve extrusion effect, and effectively reduce the wearing and tearing to the gasbag.

Drawings

FIG. 1 is a schematic diagram of an automatic limiting laser welding machine according to the present invention;

FIG. 2 is a schematic view of an internal structure of an outer rod of the laser welding machine with automatic limiting function according to the present invention;

fig. 3 is a schematic view of an internal structure of a workbench of an automatic limiting laser welding machine according to embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of an automatic limiting laser welding machine according to embodiment 2 of the present invention;

fig. 5 is a schematic structural diagram of an automatic limiting laser welding machine according to embodiment 3 of the present invention;

fig. 6 is a schematic structural diagram of an automatic limiting laser welding machine according to embodiment 4 of the present invention.

In the figure: 1, a workbench; 2. a baffle plate; 3. an outer rod; 4. an inner rod; 5. a movable groove; 6. a spring; 7. a limiting groove; 8. a limiting block; 9. a ball groove; 10. a ball bearing; 11. positioning a plate; 12. a roller; 13. welding a head; 14. a first chute; 15. a first slider; 16. a first screw; 17. a splint; 18. a second chute; 19. a second slider; 20. a connecting rod; 21. briquetting; 22. pressing a groove; 23. a worm gear; 24. a first support bar; 25. a worm; 26. a push block; 27. a hand wheel; 28. blocking; 29. a tooth block; 30. a second support bar; 31. a gear; 32. a fan; 33. extruding the block; 34. an air bag; 35. and a third support rod.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, an automatic limiting laser welding machine comprises a workbench 1, a welding machine body is arranged at the top of the workbench 1, a baffle 2 is fixed at one side of the top of the workbench 1 through a bolt, an outer rod 3 is connected to the welding machine body, a movable groove 5 is arranged at the bottom of the outer rod 3, a spring 6 is fixed in the movable groove 5 through a bolt, an inner rod 4 is fixed at the bottom of the spring 6 through a bolt, the inner rod 4 is arranged in the movable groove 5, a positioning plate 11 is fixed at the bottom of the inner rod 4 through a bolt, the cross section of the positioning plate 11 is arranged in a U shape, a welding head 13 is fixed at the middle position of the positioning plate 11 through a bolt, two sides of the bottom of the positioning plate 11 are rotatably connected with rollers 12 through bearings, two limiting grooves 7 are symmetrically arranged at two sides of the movable groove 5, limiting blocks 8 are slidably connected to the limiting grooves 7, the two limiting blocks 8 are respectively fixedly connected with the corresponding positions of the inner rod 4, the two plates to be welded are aligned and then tightly pressed against the baffle 2, the plates are pressed by one hand, the welding machine body is started, so that the welding head 13 moves to the beginning of the welding position, at this time, the roller 12 contacts and presses the surface of the plate, drives the welding head 13 to move linearly, the roller 12 rolls linearly on the surface of the plate, when the welding head 13 moves to the recessed position on the plate, due to the elastic action of the spring 6, the inner rod 4 is pushed to move downwards, and then the positioning plate 11 and the welding head 13 are driven to move downwards, when the bonding head 13 is moved to the position of the projection on the plate, the bonding head 13 is moved upward, thereby make and keep soldered connection 13 and plate surface contact and weld to be convenient for weld process to the plate of surperficial unevenness, the stability of pole 4 removal process can be improved to spacing groove 7 and stopper 8's cooperation.

According to the invention, the side wall of the limiting groove 7 is provided with a plurality of ball grooves 9 which are uniformly distributed, the ball 10 is movably connected in the ball grooves 9, and the surface of the ball 10 is in parallel contact with the limiting block 8, so that the ball 10 and the limiting block 8 can perform rolling friction, the moving resistance of the inner rod 4 is reduced, the moving process of the welding head 13 is more flexible, and the welding quality is improved.

During the use, lean on tight baffle 2 after aligning two plates that need to carry out the welding, utilize one hand to press the plate, start the welding machine body, make soldered connection 13 remove the starting point to the welding position, gyro wheel 12 and plate surface contact compress tightly this moment, drive soldered connection 13 and carry out rectilinear movement, gyro wheel 12 rolls along the straight line on the plate surface, when soldered connection 13 removes the sunken position on the plate, because spring 6's elastic action, promote interior pole 4 and move down, then drive locating plate 11 and soldered connection 13 and move down, when soldered connection 13 removes the protruding position on the plate, soldered connection 13 can the rebound, thereby make soldered connection 13 keep and plate surface contact and weld, thereby be convenient for carry out welding process to the plate of surperficial unevenness, spacing groove 7 and stopper 8's cooperation, can improve the stability of interior pole 4 moving process, it is further, be provided with ball groove 9 and ball 10, can make ball 10 and stopper 8 carry out rolling friction, thereby reduce interior pole 4's moving resistance, thereby make the moving process of soldered connection 13 more nimble, thereby improve welding quality.

Example 2

Referring to fig. 1-4, an automatic spacing laser welding machine, first spout 14 has been seted up at 1 top of workstation, sliding connection has first slider 15 in first spout 14, it has first screw rod 16 to run through threaded connection on first slider 15, rotate through the bearing between 16 inboard of first screw rod and the 14 inner wall of first spout and connect, there is splint 17 at 15 tops of first slider through the bolt fastening, rotate first screw rod 16, make first slider 15 slide along first spout 14, then drive splint 17 and remove to 2 one sides of baffle, then fix welded plate, thereby replace and fix with the hand, thereby security when improving stability and welding.

According to the invention, a second sliding groove 18 penetrates through the clamping plate 17, a second sliding block 19 is connected in the second sliding groove 18 in a sliding manner, a second screw rod is connected on the second sliding block 19 in a penetrating and threaded manner, the second screw rod is rotatably connected with the inner wall of the second sliding groove 18 through a bearing, a worm wheel 23 is fixedly sleeved on the second screw rod, a connecting rod 20 is fixedly arranged on the inner side of the second sliding block 19 through a bolt, the connecting rod 20 is arranged to incline downwards towards one side of the baffle plate 2, a pressing block 21 is fixedly arranged at the bottom of the connecting rod 20 through a bolt, and a transmission mechanism is arranged on the first screw rod 16.

According to the invention, a hand wheel 27 is fixedly sleeved on a first screw 16 of a transmission mechanism, a plurality of blocking blocks 28 distributed in an annular array are fixed on the circumferential outer wall of the hand wheel 27 through bolts, the blocking blocks 28 are arranged in a peanut shell structure, a first support rod 24 is fixed on the top of the inner wall of a second chute 18 through bolts, the bottom of the first support rod 24 is rotatably connected with a worm 25 through a bearing, the worm 25 is meshed with a worm wheel 23, a plurality of pushing blocks 26 distributed in an annular array are fixed on the circumferential outer wall of the worm 25 through bolts, the pushing blocks 26 are arranged in a sickle shape, the hand wheel 27 is driven to rotate by the rotation of the first screw 16, the blocking blocks 28 are driven to rotate, the rotating blocking blocks 28 sequentially impact the pushing blocks 26, the pushing blocks 26 and the worm 25 rotate, the worm 25 is meshed with the worm wheel 23 to rotate, the second screw is driven to rotate, the second slide block 19 moves downwards along the second chute 18, and the connecting rod 20 and the pressing block 21 are driven to move downwards to press the top of a plate, so that the fixing effect is further improved.

In the invention, the bottom of the pressing block 21 is provided with a plurality of pressing grooves 22, and the cross sections of the pressing grooves 22 are arranged in a V shape, so that the roughness of the pressing block 21 can be effectively improved, and the fixing effect is further improved.

During the use, rotate first screw rod 16, make first slider 15 slide along first spout 14, then drive splint 17 and move to baffle 2 one side, then fix welded plate, thereby replace and fix with the hand, thereby improve stability and security when welding, furthermore, the rotation of first screw rod 16 drives hand wheel 27 and rotates, then drive and hinder the piece 28 and rotate, pivoted hinders piece 28 strikes ejector pad 26 in proper order, it rotates to make ejector pad 26 and worm 25 rotate, worm 25 meshes and drives worm wheel 23 and rotate, then drive the second screw rod and rotate, it moves down along second spout 18 to make second slider 19, thereby drive connecting rod 20 and briquetting 21 and move down and push down the top of plate, thereby further improve fixed effect, furthermore, ejector pad 26 sets up to the hook form, hinder piece 28 sets up to peanut shell structure, can improve the transmission cooperation between hindering piece 28 and ejector pad 26, furthermore, a plurality of indent 22 have been seted up to briquetting 21 bottom, indent cross-section 22 sets up to the V-shaped, can effectively improve the roughness of briquetting 21, thereby further improve fixed effect.

Example 3

Referring to fig. 1-5, an automatic spacing laser welding machine, the outer wall welding of gyro wheel 12 circumference has a plurality of annular array distribution's tooth piece 29, and locating plate 11 rear end is fixed with second branch rod 30 through the bolt, and the inboard bottom of second branch rod 30 is connected with gear 31 through the bearing rotation, and gear 31 and gyro wheel 12 meshing are connected, and the inboard of gear 31 is fixed with fan 32 through the bolt.

When the welding device is used, the roller 12 rotates to enable the tooth block 29 to rotate, then the gear 31 is driven to rotate through meshing, then the fan 32 is driven to rotate, the rotating fan 32 drives airflow to flow, and therefore solidification of welding liquid is accelerated, and welding effect is improved.

Example 4

Referring to fig. 1-4 and 6, in the automatic limiting laser welding machine, a plurality of extrusion blocks 33 distributed in an annular array mode are welded on the outer wall of the circumference of a roller 12, the sections of the extrusion blocks 33 are arranged in a mushroom mode, a third supporting rod 35 is fixed to the rear end of a positioning plate 11 through bolts, an air bag 34 is bonded to the bottom of the third supporting rod 35, and the position of a nozzle of the air bag 34 is arranged to be opposite to a welding head 13.

During the use, gyro wheel 12 rotates and makes extrusion piece 33 rotate, and extrusion piece 33 extrudees gasbag 34 one by one, and gasbag 34 receives the extrusion back, from the nozzle with the air blowout, then under the elastic action of self, the reconversion, breathes in, and the air current flow is all driven with the process of breathing in to the solidification of welding liquid is accelerated, thereby improves welding effect, and extrusion piece 33 cross-section sets up to the mushroom-shaped, can improve extrusion effect, and effectively reduces the wearing and tearing to gasbag 34.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The automatic limiting laser welding machine comprises a workbench (1), wherein a welding machine body is installed at the top of the workbench (1), a baffle (2) is fixed on one side of the top of the workbench (1) through a bolt, and the automatic limiting laser welding machine is characterized in that an outer rod (3) is connected onto the welding machine body, a movable groove (5) is formed in the bottom of the outer rod (3), a spring (6) is fixed in the movable groove (5) through a bolt, an inner rod (4) is fixed at the bottom of the spring (6) through a bolt, the inner rod (4) is arranged in the movable groove (5), a positioning plate (11) is fixed at the bottom of the inner rod (4) through a bolt, the cross section of the positioning plate (11) is U-shaped, a welding head (13) is fixed at the middle position of the positioning plate (11) through a bolt, two sides of the bottom of the positioning plate (11) are rotatably connected with idler wheels (12) through bearings, two limiting grooves (7) are symmetrically formed in two sides of the movable groove (5), limiting blocks (8) are slidably connected in the limiting grooves (7), and the two limiting blocks (8) are fixedly connected with the corresponding positions of the inner rod (4) respectively;

a first sliding groove (14) is formed in the top of the workbench (1), a first sliding block (15) is connected in the first sliding groove (14) in a sliding mode, a first screw (16) is connected to the first sliding block (15) in a penetrating and threaded mode, the inner side of the first screw (16) is rotatably connected with the inner wall of the first sliding groove (14) through a bearing, and a clamping plate (17) is fixed to the top of the first sliding block (15) through a bolt;

a second sliding groove (18) penetrates through the clamping plate (17), a second sliding block (19) is connected in the second sliding groove (18) in a sliding mode, a second screw rod is connected to the second sliding block (19) in a penetrating mode through threads, the second screw rod is rotatably connected with the inner wall of the second sliding groove (18) through a bearing, a worm wheel (23) is fixedly sleeved on the second screw rod, a connecting rod (20) is fixedly arranged on the inner side of the second sliding block (19) through a bolt, the connecting rod (20) is arranged to incline downwards towards one side of the baffle plate (2), a pressing block (21) is fixedly arranged at the bottom of the connecting rod (20) through a bolt, and a transmission mechanism is arranged on the first screw rod (16);

the utility model discloses a peanut shell structure, including drive mechanism, hand wheel (27), block (28), second spout (18) inner wall top, first branch (24) are fixed with through the bolt fastening to hand wheel (27) circumference outer wall, block (28) set to the peanut shell structure, first branch (24) are connected with through bearing rotation in first branch (24) bottom, worm (25) and worm wheel (23) meshing are connected, worm (25) circumference outer wall has ejector pad (26) that a plurality of annular array distribute through the bolt fastening, ejector pad (26) set to the sickle form.

2. The laser welding machine with the automatic limiting function according to claim 1, wherein the side wall of the limiting groove (7) is provided with a plurality of ball grooves (9) which are uniformly distributed, balls (10) are movably connected in the ball grooves (9), and the surfaces of the balls (10) are in parallel contact with the limiting block (8).

3. The automatic limiting laser welding machine according to claim 1, wherein a plurality of pressure grooves (22) are formed in the bottom of the pressing block (21), and the cross sections of the pressure grooves (22) are arranged in a V shape.

4. The laser welding machine with the automatic limiting function according to claim 1, wherein a plurality of tooth blocks (29) distributed in an annular array are welded on the outer circumferential wall of the roller (12), a second supporting rod (30) is fixed to the rear end of the positioning plate (11) through bolts, a gear (31) is rotatably connected to the bottom of the inner side of the second supporting rod (30) through a bearing, the gear (31) is meshed with the roller (12), and a fan (32) is fixed to the inner side of the gear (31) through bolts.

5. The laser welding machine with the automatic limiting function according to claim 1, characterized in that a plurality of extruding blocks (33) distributed in an annular array are welded on the outer circumferential wall of the roller (12), the sections of the extruding blocks (33) are arranged in a mushroom shape, a third supporting rod (35) is fixed at the rear end of the positioning plate (11) through bolts, an air bag (34) is bonded at the bottom of the third supporting rod (35), and the nozzle of the air bag (34) is arranged to be opposite to the welding head (13).