Laser welding device

Abstract

The utility model discloses a laser welding device which relates to the technical field of laser welding and comprises a laser welding device body, a containing cavity is formed in the laser welding device body, a lifting plate is installed in the containing cavity, and lifting assemblies are symmetrically installed between the upper end of the lifting plate and the interior of the containing cavity. The laser welding device body is fixedly connected with a connecting power line, the other end of the connecting power line is fixedly connected with a welding gun, and a welding gun head is installed at the upper end of the welding gun. By the adoption of the structure, it can be avoided that in the welding process, the device moves or shakes, welding position deviation is caused, and welding quality is affected, the laser welding device can be kept at the stable position, and therefore the precision in the welding process is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser welding technical field, especially relate to a laser welding device. BACKGROUND

[0002] The laser welding device, also known as laser welding machine or laser welding machine, is a kind of machine that utilizes high-energy laser pulse to locally heat in a small area of material, so that the energy of laser radiation is diffused to the interior of the material by heat conduction, thereby melting the material to form a specific molten pool to achieve the purpose of welding.The working principle of laser welding is to use high-energy laser pulse to locally heat in a small area of product, and the laser is diffused to the interior of the product by heat conduction, and the product material is melted to form a specific molten pool and rapidly cooled to complete the welding process.

[0003] The utility model discloses a kind of multifunctional laser welding devices, including laser welding device body and the power cord of the laser welding device body rear end position;One end of the power cord is connected to welding gun;Welding gun top is equipped with welding torch head;The right side wall of laser welding device body is equipped with connection hanger;The top of welding gun is also equipped with metal shaping hose;Metal shaping hose can be bent to any angle and keep its form;The top of metal shaping hose is connected to a connecting shaft column body;The top of connecting shaft column body is connected to a mounting protective cover;The mounting protective cover can be rotated by connecting shaft column body, by metal shaping hose arbitrarily adjusting its position and angle, by the utility model improvement can reduce the light heat generated when welding to cause influence to user, and the adjustable shape of protective structure makes that user can be adjusted according to actual demand, to effectively increase the overall practicability of laser welding device.

[0004] Although the above-mentioned utility model can reduce the light heat generated when welding to cause influence to user after improvement, and the adjustable shape of protective structure makes that user can be adjusted according to actual demand, to effectively increase the overall practicability of laser welding device, but in the welding process, if the universal wheel at the bottom end of laser welding device body suddenly moves, it will cause the position deviation of laser welding device during welding, thereby affecting the positioning accuracy of welding, and the inaccuracy of welding positioning will further cause the deviation of weld, such as welding deviation, weld interruption or uneven thickness, etc., which will seriously reduce the quality and reliability of weld. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the purpose of the utility model is to provide a laser welding device to solve the problem that the laser welding device body bottom end suddenly moves during the welding process, which causes the laser welding device to deviate during the welding process, thereby affecting the positioning accuracy of welding, and the inaccuracy of welding positioning further causes the weld to deviate, such as welding deviation, weld interruption or uneven thickness, etc., which seriously reduces the quality and reliability of the weld.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A laser welding device comprises a laser welding device body, a containing cavity is formed in the laser welding device body, a lifting plate is installed in the containing cavity, lifting assemblies are symmetrically installed between the upper end of the lifting plate and the inside of the containing cavity, moving wheels are symmetrically installed near the chamfered portion at the bottom end of the lifting plate, the laser welding device body is fixedly connected with a connecting power cord, the other end of the connecting power cord is fixedly connected with a welding gun, and a welding gun head is installed on the upper end of the welding gun.

[0008] The lifting assembly comprises a driving motor, a first screw rod, a connecting rod, a second screw rod, a guide rod, a moving block and a hinged plate, the laser welding device body is installed with the driving motor at one end, the driving motor output end extends to the inside of the containing cavity and is fixedly connected with the first screw rod, the other end of the first screw rod is fixedly connected with the second screw rod, the other end of the second screw rod is rotatably connected with one end of the containing cavity, the moving block is sleeved on the outside of the first screw rod, the second screw rod and the guide rod, the bottom end of the moving block is symmetrically hinged with the hinged plate, the other end of the hinged plate is hinged with the upper end of the lifting plate, the moving block on the outside of the first screw rod is threadedly connected with the first screw rod, the moving block on the outside of the second screw rod is threadedly connected with the second screw rod, and the guide rod is slidably connected with the moving block, which can prevent the welding position from deviating, affecting the welding quality and ensuring the stability of the laser welding device during the welding process.

[0009] As a preferred technical scheme, T-shaped grooves are symmetrically formed in the upper end of the containing cavity, T-shaped blocks are symmetrically fixedly connected with the upper end of the moving block, the T-shaped blocks are slidably connected with the T-shaped grooves, and the cooperation between the T-shaped blocks and the T-shaped grooves can effectively limit the shaking and deviation of the moving block during the movement process, thereby ensuring the stability of the moving block during the movement process.

[0010] As a preferred technical scheme, through grooves are symmetrically formed near the chamfered portion at the bottom end of the laser welding device body, the through grooves are in communication with the inside of the containing cavity, and the through grooves are slidably connected with the moving wheels, so that the moving wheels can be retracted into the containing cavity and extended out of the bottom end of the base through the through grooves.

[0011] As a preferred technical scheme, the upper end of the laser welding device body is provided with a lifting groove, the bottom end of the lifting groove is symmetrically provided with an electric push rod, the telescopic end of the electric push rod is fixedly connected with a lifting frame, one end of the lifting frame is provided with a mounting groove, the mounting groove is fixedly connected with a protective glass, one end of the lifting frame is provided with an operation opening, and the lifting frame and the lifting groove are in sliding connection, which can effectively block laser radiation and protect the eyes of the operator from injury, and can ensure that the operator clearly observes the welding area during the welding process, thereby ensuring the accuracy and safety of operation.

[0012] As a preferred technical scheme, the lifting groove is symmetrically fixedly connected with a limiting block at both ends, the lifting frame is symmetrically provided with a limiting groove at both ends, the limiting groove and the limiting block are in sliding connection, and the cooperation between the limiting block and the limiting groove can effectively limit the shaking and deviation of the lifting frame during movement, thereby ensuring the stability of the lifting frame during movement.

[0013] As a preferred technical scheme, the upper end of the laser welding device body is provided with a control display screen, and the upper end of the laser welding device body is symmetrically provided with a control button, so that the control display screen and the control button can significantly improve the convenience, welding precision and efficiency of operation, and enhance the reliability and safety of the equipment.

[0014] As a preferred technical scheme, one end of the laser welding device body is fixedly connected with a hanging frame, and the hanging frame is clamped with the welding gun, so that the welding gun can be conveniently stored and fixed when no welding operation is performed.

[0015] In summary, the utility model mainly has the following beneficial effects

[0016] In the utility model, the laser welding device body is pushed to the required position through the moving wheel, the driving motor is started, the first screw rod drives the connecting rod and the second screw rod to rotate, the first screw rod and the second screw rod are respectively screwed with the moving block, so that the moving block is controlled to move, the moving block is limited to slide on the outside of the guide rod during movement, the moving block drives the lifting plate to lift through the hinged plate, the lifting plate drives the moving wheel to retract into the accommodating cavity through the through groove, the bottom end of the laser welding device body is in contact with the ground for support, the welding position deviation caused by movement or shaking of the device during welding can be prevented, the welding quality is affected, the laser welding device can be kept in a stable position, and the precision during the welding process is ensured. ACCURACY

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is the A part enlarged view of the utility model; Figure 1

[0019] ​Figure 3 is a sectional view three-dimensional structure schematic diagram of the utility model;

[0020] Figure 4 is a lifting assembly three-dimensional structure schematic diagram of the utility model.

[0021] Sign: 1, laser welding device body; 2, containing cavity; 3, lifting plate; 4, moving wheel; 5, through slot; 6, control display screen; 7, control button; 8, connecting power cord; 9, welding gun; 10, welding gun head; 11, hanger; 12, lifting assembly; 121, drive motor; 122, first screw; 123, connecting rod; 124, second screw; 125, guide rod; 126, moving block; 127, hinged plate; 13, T-shaped slot; 14, T-shaped block; 15, lifting groove; 16, lifting frame; 17, electric push rod; 18, mounting groove; 19, protective glass; 20, operation port; 21, limit block; 22, limit groove. DETAILED DESCRIPTION

[0022] EMBODIMENT

[0023] REFERENCE Figures 1 to 4 The laser welding device described in the embodiment, including laser welding device body 1, laser welding device body 1 inside is set up with containing cavity 2, containing cavity 2 inside is installed with lifting plate 3, lifting plate 3 upper end with containing cavity 2 inside between symmetry installs lifting assembly 12, lifting plate 3 bottom end close to chamfered portion all symmetry installs moving wheel 4, laser welding device body 1 fixedly connected with connecting power cord 8, connecting power cord 8 other end fixedly connected with welding gun 9, welding gun 9 upper end installs welding gun head 10;

[0024] The lifting assembly 12 comprises a driving motor 121, a first lead screw 122, a connecting rod 123, a second lead screw 124, a guide rod 125, a moving block 126 and a hinged plate 127, the driving motor 121 is installed at one end of the laser welding device body 1, the output end of the driving motor 121 extends to the inside of the containing cavity 2 and is fixedly connected with the first lead screw 122, the other end of the first lead screw 122 is fixedly connected with the second lead screw 124, the other end of the second lead screw 124 is rotatably connected with one end in the inside of the containing cavity 2, the outer sides of the first lead screw 122, the second lead screw 124 and the guide rod 125 are all sleeved with the moving block 126, the bottom end of the moving block 126 is symmetrically hinged with the hinged plate 127, the other end of the hinged plate 127 is hinged with the upper end of the lifting plate 3, the moving block 126 on the outer side of the first lead screw 122 is in threaded connection with the first lead screw 122, the moving block 126 on the outer side of the second lead screw 124 is in threaded connection with the second lead screw 124, the guide rod 125 is in sliding connection with the moving block 126, the laser welding device body 1 is pushed to the required position through the moving wheel 4, the driving motor 121 is started, the first lead screw 122 drives the connecting rod 123 and the second lead screw 124 to rotate, the first lead screw 122 and the second lead screw 124 are respectively in threaded rotation with the moving block 126, so that the moving block 126 is controlled to move, the moving block 126 is limited to slide on the outer side of the guide rod 125 when moving, the moving block 126 drives the lifting plate 3 to lift and lower through the hinged plate 127, so that the lifting plate 3 drives the moving wheel 4 to retract into the inside of the containing cavity 2 through the through slot 5, and the bottom end of the laser welding device body 1 is in contact with the ground for support.

[0025] With reference to Figure 4 , T-shaped grooves 13 are symmetrically formed in the upper end of the inside of the containing cavity 2, T-shaped blocks 14 are symmetrically fixedly connected with the upper end of the moving block 126, and the T-shaped blocks 14 are in sliding connection with the T-shaped grooves 13, so that the moving block 126 drives the T-shaped blocks 14 to slide in the T-shaped grooves 13 when the moving block 126 moves.

[0026] With reference to Figure 3 , through slots 5 are symmetrically formed in the bottom end of the laser welding device body 1 close to the chamfers, the through slots 5 are in communication with the inside of the containing cavity 2, and the through slots 5 are in sliding connection with the moving wheel 4, so that the moving wheel 4 is in sliding connection with the through slots 5 when the moving block 126 drives the lifting plate 3 to lift and lower through the hinged plate 127.

[0027] With reference to Figure 3The upper end of the laser welding device body 1 is provided with a lifting groove 15, the inside bottom of the lifting groove 15 is symmetrically provided with an electric push rod 17, the telescopic end of the electric push rod 17 is fixedly connected with a lifting frame 16, one end of the lifting frame 16 is provided with a mounting groove 18, the inside of the mounting groove 18 is fixedly connected with a protective glass 19, one end of the lifting frame 16 is provided with an operation port 20, the lifting frame 16 and the inside of the lifting groove 15 are in sliding connection, the electric push rod 17 is started, the lifting frame 16 is controlled to lift, the lifting frame 16 slides in the lifting groove 15, the protective glass 19 can effectively block the laser radiation, and the eyes of the operator are protected from being hurt, and the operator can perform welding operation through the operation port 20.

[0028] Reference Figure 2 The inside of the lifting groove 15 is symmetrically fixedly connected with a limiting block 21, the two ends of the lifting frame 16 are symmetrically provided with a limiting groove 22, the limiting groove 22 and the limiting block 21 are in sliding connection, the lifting frame 16 is controlled to lift, and when the lifting frame 16 slides in the lifting groove 15, the lifting frame 16 drives the limiting groove 22 to slide outside the limiting block 21.

[0029] Reference Figure 1 The upper end of the laser welding device body 1 is provided with a control display screen 6, and the upper end of the laser welding device body 1 is symmetrically provided with a control button 7, the running data of the laser welding device body 1 can be observed through the control display screen 6, and the running or shutdown of the laser welding device body 1 can be controlled through the control button 7.

[0030] Reference Figure 2 One end of the laser welding device body 1 is fixedly connected with a hanging frame 11, the hanging frame 11 is clamped with the welding gun 9, and the welding gun 9 can be fixed through the hanging frame 11 when welding operation is not performed.

[0031] Principle and advantages: first, the laser welding device body 1 is pushed to the required position through the moving wheel 4, the driving motor 121 is started, the first lead screw 122 drives the connecting rod 123 and the second lead screw 124 to rotate, the first lead screw 122 and the second lead screw 124 are respectively in threaded rotation with the moving block 126, so that the moving block 126 is controlled to move, the moving block 126 slides and is limited outside the guide rod 125 during movement, the lifting plate 3 is driven to lift through the hinged plate 127, the lifting plate 3 drives the moving wheel 4 to retract into the containing cavity 2 through the through groove 5, the bottom end of the laser welding device body 1 is in contact with the ground for support, then the electric push rod 17 is started, the lifting frame 16 is controlled to lift, the lifting frame 16 slides in the lifting groove 15, the protective glass 19 can effectively block the laser radiation during welding, the eyes of the operator are protected from being hurt, and the operator can perform welding operation through the operation port 20;

[0032] The utility model discloses can prevent in the welding process, the device moves or the shake, the welding position offset caused by, influence welding quality, can make laser welding device can keep the stable position to ensure the precision in the welding process.

Claims

1. A laser welding device, comprising a laser welding device body, characterized in that: The laser welding device body is provided with an accommodating cavity, a lifting plate is installed in the accommodating cavity, a lifting assembly is symmetrically installed between the upper end of the lifting plate and the interior of the accommodating cavity, and moving wheels are symmetrically installed near the chamfers at the bottom end of the lifting plate. The laser welding device body is fixedly connected to a connecting power cord, and the other end of the connecting power cord is fixedly connected to a welding gun, and a welding gun head is installed at the upper end of the welding gun; The lifting assembly includes a drive motor, a first screw rod, a connecting rod, a second screw rod, a guide rod, a moving block and a hinge plate. A drive motor is installed at one end of the laser welding device body, and the output end of the drive motor extends into the interior of the accommodating cavity and is fixedly connected to the first screw rod. The other end of the first screw rod is fixedly connected to the second screw rod, and the other end of the second screw rod is rotatably connected to one end inside the accommodating cavity. The outsides of the first screw rod, the second screw rod and the guide rod are all sleeved with a moving block, and the bottom end of the moving block is symmetrically hinged with a hinge plate, and the other end of the hinge plate is hinged to the upper end of the lifting plate.

2. A laser welding device according to claim 1, characterized in that: The moving block outside the first screw rod is threadedly connected to the first screw rod, the moving block outside the second screw rod is threadedly connected to the second screw rod, and the guide rod is slidably connected to the moving block.

3. The laser welding device according to claim 1, characterized in that: A T-shaped groove is symmetrically provided on the upper end of the accommodating cavity, and a T-shaped block is symmetrically fixedly connected to the upper end of the moving block, and the T-shaped block and the T-shaped groove are slidably connected.

4. The laser welding device according to claim 1, characterized in that: The bottom end of the laser welding device body is symmetrically provided with through grooves near the chamfers. The through grooves are communicated with the interior of the accommodating cavity, and the through grooves are slidably connected to the moving wheels.

5. The laser welding device according to claim 1, characterized in that: A lifting slot is provided at the upper end of the laser welding device body, an electric push rod is symmetrically installed at the bottom end of the lifting slot, the telescopic end of the electric push rod is fixedly connected to a lifting frame, one end of the lifting frame is provided with a mounting slot, a protective glass is fixedly connected to the mounting slot, one end of the lifting frame is provided with an operating port, and the lifting frame is slidably connected to the inside of the lifting slot.

6. The laser welding device according to claim 5, characterized in that: The two ends of the lifting slot are symmetrically fixedly connected with limiting blocks, and the two ends of the lifting frame are symmetrically provided with limiting slots, and the limiting slots and the limiting blocks are slidably connected.

7. The laser welding device according to claim 1, characterized in that: A control display screen is installed on the upper end of the laser welding device body, and control buttons are symmetrically installed on the upper end of the laser welding device body.

8. The laser welding device according to claim 1, characterized in that: One end of the laser welding device body is fixedly connected with a hanging bracket, and the hanging bracket is clamped to the welding gun.

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