Laser welding machine

By designing a laser welding machine containing a complex clamping mechanism, the problems of complex structure and inconvenient operation of the existing welding fixtures are solved, and precise positioning and high-quality welding of various components of the automobile wheel cover connection device are realized.

CN119952257AInactive Publication Date: 2025-05-09WEIFANG XIANGHE SHEET METAL CO LTD
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Patent Information

Application Number
CN202510330083.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2025-05-09
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing welding fixtures have complex structures and inconvenient operation, which cannot accurately position the components of the automobile wheel cover connection device, affecting the product quality after welding.

Method used

A laser welding machine is designed, including a base plate, a positioning frame, a welding mechanism, a console, a connector, a welding machine, a support plate, a guide rod and a clamping mechanism. The clamping mechanism realizes precise positioning and clamping of materials of different specifications through long plates, U-shaped plates, clamping plates and control units.

Benefits of technology

Through the use of this laser welding machine, precise positioning and stable clamping of various components of the automobile wheel cover connection device are achieved, and the operation convenience and product quality of the welding process are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automobile welding, in particular to a laser welding machine which comprises a bottom plate. The positioning frame is fixedly arranged on the bottom plate, and the cross section of the positioning frame is in a square shape; a welding mechanism; the welding device is fixedly arranged on the bottom plate and is used for welding materials placed on the device; the console is fixedly arranged on the bottom plate and is used for adjusting the operation of the welding mechanism; the connector is rotationally connected to the upper end of the console; the speed reducer is started to enable the rotating shaft fixedly arranged at the output end of the speed reducer to rotate, the rotating rotating shaft controls the rotating disc to rotate, the rotating rotating disc can control the long plate to move through the connecting plate, and the moving long plate controls the clamping plate fixedly arranged on the peripheral face of the long plate to move to clamp and fix an object. And in the moving process of the long plate, supporting blocks are pushed to move through an L-shaped extrusion plate, the vertical height can be adjusted in the moving process of the two supporting blocks, and accurate positioning of materials of different specifications is achieved.
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Description

Technical Field

[0001] The invention relates to the technical field of automobile welding, in particular to a laser welding machine. Background Art

[0002] The rear wheel cover is a very important part of the car body. It is installed on the car body sheet metal above the rear wheel and is concentric with the wheel. It not only decorates the wheel, but also prevents stones and mud from splashing onto the car body and causing damage to the body sheet metal. It also plays a role in sound absorption and noise reduction.

[0003] The automobile wheel cover assembly is welded by a laser welding machine. The automobile wheel cover assembly is installed on the body through a connecting device. The connecting device is mainly composed of a connecting plate, a bracket, a reinforcing plate and a nut mounting plate. The nut mounting plate is located between the connecting plate and the reinforcing plate. The connecting plate is used to connect with the automobile body and the wheel cover assembly. The bracket, the nut mounting plate and the reinforcing plate are welded to the connecting plate. During welding, the various components of the automobile wheel cover connecting device need to be clamped by a welding fixture. The existing welding fixture has a complex structure and is inconvenient to operate. It cannot achieve accurate positioning of the various components of the automobile wheel cover connecting device, which affects the quality of the product after welding.

[0004] Therefore, it is necessary to provide a laser welding machine to solve the above problems.

[0005] It should be noted that the above information disclosed in this background technology section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute the prior art. Summary of the invention

[0006] Based on the above-mentioned problems existing in the prior art, the problem to be solved by the present application is: the bracket, the nut mounting plate and the reinforcement plate are welded and connected with the connecting plate. During welding, the various components constituting the automobile wheel cover connecting device need to be clamped by a welding fixture. The existing welding fixture has a complex structure and is inconvenient to operate. It cannot achieve precise positioning of the various components constituting the automobile wheel cover connecting device, which affects the quality of the product after welding.

[0007] The technical solution adopted by the present application to solve the technical problem is: a laser welding machine, comprising: Base plate; A positioning frame, fixedly arranged on the bottom plate, and the cross section of the positioning frame is arranged in a square shape; Welding mechanism; fixedly arranged on the bottom plate, used for welding materials placed on the device; A control console, fixedly disposed on the bottom plate, for adjusting the operation of the welding mechanism; A connector, rotatably connected to the upper end of the console; A welder, rotatably connected to the connector, for welding the material to be processed; A support plate, fixedly arranged on the bottom plate, and two support plates are arranged parallel to each other; A guide rod, fixedly connected between the support plate and the positioning frame, and the two guide rods are arranged parallel to each other; The clamping mechanism is slidably arranged on the guide rod and is used for clamping and fixing the object to be processed.

[0008] Preferably, four mutually parallel support columns are fixedly arranged on the bottom plate, and the four support columns are evenly distributed at each corner of the bottom plate, and an anti-sliding block is fixedly arranged on the bottom end of each support column.

[0009] Preferably, the clamping mechanism includes a long plate slidably arranged on the guide rod, a U-shaped plate is fixedly arranged on the long plate, a clamping plate is fixedly arranged on the top of the U-shaped plate, and the clamping plates arranged on both sides of the positioning frame are mirror-arranged, and a control unit for controlling the movement of the clamping plate is provided on the bottom plate.

[0010] Preferably, the clamping plate is arranged in a funnel shape with a smaller end close to the U-shaped plate and a larger end away from the U-shaped plate.

[0011] Preferably, the control unit includes two mutually parallel support frames fixedly arranged on the base plate, and a reducer is fixedly arranged on one of the support frames, a rotating shaft is rotatably arranged on the support frame, the rotating shaft is fixedly connected to the output end of the reducer, a disc is fixedly arranged on the other end of the rotating shaft, an axis body is eccentrically arranged on the side wall of the disc, a turntable is fixedly arranged on the axis body, the turntable, the disc and the rotating shaft are coaxially arranged, a connecting plate is eccentrically arranged on the turntable, and the connecting plate is movably connected to the long plate.

[0012] Preferably, a slide groove is provided on the positioning frame, a slide plate is slidably provided on the slide groove, a support block is fixedly provided on the upper end surface of the slide plate, and a transmission unit for controlling the movement of the support block is provided on the long board.

[0013] Preferably, the supporting surface of the supporting block is arranged in an arc shape.

[0014] Preferably, the transmission unit includes a guide plate fixedly arranged inside the positioning frame, a guide groove is formed on the guide plate, a slide rod is slidably arranged in the guide groove, the guide groove is inclined upward, and an L-shaped extrusion plate is fixedly arranged on the long plate.

[0015] Preferably, a telescopic column is slidably provided on the upper end surface of the clamping plate, an air bag is fixedly provided on the long plate, an air pipe is fixedly provided on the air bag, and the other end of the air pipe is fixedly connected to the upper end of the clamping plate.

[0016] Preferably, the clamping surface of the clamping plate is roughened.

[0017] The beneficial effects of the present application are as follows: a laser welding machine provided by the present application, through a clamping mechanism arranged on the bottom plate, enables the staff to first move the device to a suitable position when using the device, the staff first places the object to be processed on the support block of the device, starts the reducer to rotate the rotating shaft fixed on the output end of the reducer, the rotating shaft controls the rotation of the turntable, the rotating turntable can control the movement of the long plate through the connecting plate, the moving long plate controls the clamping plate fixed on its outer peripheral surface to move and clamp the fixed object, and in the process of the long plate moving, the support block is pushed to move by the L-shaped extrusion plate, and the vertical height of the two support blocks can be adjusted during the movement to achieve precise positioning of materials of different specifications.

[0018] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle; Figure 3 It is a schematic diagram of the welding mechanism structure of the present invention; Figure 4 It is a schematic diagram of the structure of the clamping mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of a control unit of the present invention; Figure 6 It is a partial structural schematic diagram of the present invention; Figure 7 It is a schematic diagram of the support block structure of the present invention; Figure 8 It is a schematic diagram of the clamping plate structure of the present invention.

[0020] In the figure: 1, bottom plate; 11, support column; 12, anti-sliding block; 2, positioning frame; 3, welding mechanism; 31, control console; 32, connector; 33, welder; 4, support plate; 41, guide rod; 5, clamping mechanism; 51, long plate; 52, U-shaped plate; 53, clamping plate; 6, control unit; 61, support frame; 62, reducer; 63, rotating shaft; 64, disc; 65, shaft body; 66, turntable; 67, connecting plate; 7, slide groove; 71, slide plate; 72, support block; 73, transmission unit; 731, guide plate; 732, guide groove; 733, slide rod; 734, extrusion plate; 8, telescopic column; 81, air bag; 82, air pipe. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0022] In order to enable those skilled in the art to better understand the solution of the present application, the following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0023] Reference Figure 1-3 A laser welding machine includes: a base plate 1; a positioning frame 2, which is fixedly arranged on the base plate 1, and the cross-section of the positioning frame 2 is arranged in a square shape; a welding mechanism 3, which is fixedly arranged on the base plate 1 and is used for welding materials placed on the device; a control console 31, which is fixedly arranged on the base plate 1 and is used to adjust the operation of the welding mechanism 3; a connector 32, which is rotatably connected to the upper end of the control console 31; a welder 33, which is rotatably connected to the connector 32 and is used for welding the material to be processed; a support plate 4, which is fixedly arranged on the base plate 1, and the two support plates 4 are arranged parallel to each other; a guide rod 41, which is fixedly connected between the support plate 4 and the positioning frame 2, and the two guide rods 41 are arranged parallel to each other; a clamping mechanism 5, which is slidably arranged on the guide rod 41 and is used to clamp and fix the object to be processed.

[0024] Reference Figure 1 , 4and 5. Four mutually parallel support columns 11 are fixedly arranged on the base plate 1, and the four support columns 11 are evenly distributed at the corners of the base plate 1. An anti-slip block 12 is fixedly arranged on the bottom end of each support column 11. The four support columns 11 arranged on the base plate 1 can realize the support function of the entire device. At the same time, each support column 11 is arranged at the corner of the base plate 1 to ensure that the force on each support column 11 is uniform, and the device is prevented from being damaged due to uneven force on the support column 11 for a long time. At the same time, the anti-slip block 12 arranged on the bottom end of the support column 11 can increase the friction between the device and the ground, and prevent the device from slipping during use.

[0025] Reference Figure 4-6 The clamping mechanism 5 includes a long plate 51 slidably arranged on the guide rod 41, a U-shaped plate 52 is fixedly arranged on the long plate 51, a clamping plate 53 is fixedly arranged on the top of the U-shaped plate 52, and the clamping plates 53 arranged on both sides of the positioning frame 2 are mirror-imaged, and a control unit 6 for controlling the movement of the clamping plate 53 is provided on the bottom plate 1. By means of the U-shaped plate 52 arranged on the long plate 51 and the clamping plate 53 fixedly arranged on the U-shaped plate 52, the material is clamped and fixed when it is placed between the clamping plates 53.

[0026] Reference Figure 4-6 The clamping plate 53 is funnel-shaped with a small end close to the U-shaped plate 52 and a large end away from the U-shaped plate 52. By setting the clamping plate 53 to be funnel-shaped with one end small and the other end large, effective fixed clamping of the round material can be achieved.

[0027] Reference Figure 5-7 The control unit 6 includes two mutually parallel support frames 61 fixedly arranged on the bottom plate 1, and a reducer 62 is fixedly arranged on one of the support frames 61, a rotating shaft 63 is rotatably arranged on the support frame 61, and the rotating shaft 63 is fixedly connected to the output end of the reducer 62, a disk 64 is fixedly arranged on the other end of the rotating shaft 63, a shaft body 65 is eccentrically arranged on the side wall of the disk 64, a rotating disk 66 is fixedly arranged on the shaft body 65, the rotating disk 66, the disk 64 and the rotating shaft 63 are coaxially arranged, and the rotating disk 66 is eccentrically arranged on the rotating disk A connecting plate 67 is provided, and the connecting plate 67 is movably connected to the long plate 51. Through the reducer 62 arranged on the support frame 61, when the staff starts the reducer 62 when using the device, the rotating shaft 63 fixedly connected to the output end of the reducer 62 rotates, so that the turntable 66 fixedly arranged on the rotating shaft 63 rotates, and the rotating turntable 66 controls the movement of the long plate 51 through the connecting plate 67, and the moving long plate 51 controls the movement of the clamping plate 53 fixedly arranged on the long plate 51 to clamp and fix materials of different specifications.

[0028] Reference Figure 5-7A slide groove 7 is provided on the positioning frame 2, a slide plate 71 is slidably provided on the slide groove 7, a support block 72 is fixedly provided on the upper end surface of the slide plate 71, and a transmission unit 73 for controlling the movement of the support block 72 is provided on the long board 51. The slide groove 7 provided on the positioning frame 2 can realize the control of the moving direction of the support block 72.

[0029] Reference Figure 6-8 The supporting surface of the support block 72 is arranged in an arc shape. By arranging the supporting surface of the support block 72 in an arc shape, the contact area between the support block 72 and the wheel cover is increased, thereby improving the stability of the clamping device.

[0030] Reference Figure 4-6 The transmission unit 73 includes a guide plate 731 fixedly arranged inside the positioning frame 2, a guide groove 732 is opened on the guide plate 731, a slide bar 733 is slidably arranged in the guide groove 732, and the guide groove 732 is arranged upwardly and inclined, and an L-shaped extrusion plate 734 is fixedly arranged on the long board 51. Through the guide plate 731 arranged on the positioning frame 2, when the staff controls the long board 51 to move, the moving long board 51 pushes the extrusion plate 734 to move, and the extrusion plate 734 pushes the slide bar 733 to move, and the guide groove 732 opened on the guide plate 731 makes the slide bar 733 adjustable in both the horizontal and vertical directions.

[0031] Reference Figure 6-8 A telescopic column 8 is slidably provided on the upper end surface of the clamping plate 53, an airbag 81 is fixedly provided on the long plate 51, and an air pipe 82 is fixedly provided on the airbag 81. The other end of the air pipe 82 is fixedly connected to the upper end of the clamping plate 53. Through the telescopic column 8 provided on the clamping plate 53 and the airbag 81 fixedly provided on the long plate 51, the airbag 81 is attached to and squeezed against the side wall of the positioning frame 2 during the movement of the long plate 51. At this time, the gas in the airbag 81 is transported to the clamping plate 53 through the air pipe 82, thereby controlling the extension of the telescopic column 8 and increasing the stability of the device.

[0032] Reference Figure 2-4 The clamping surface of the clamping plate 53 is roughened, and the clamping stability of the device is improved by setting the clamping surface of the clamping plate 53 to be roughened.

[0033] The specific solution is as follows: when the staff uses the device, they first move the device to a suitable position, and use the four support columns 11 set on the bottom plate 1 to support the entire device. At the same time, each support column 11 is set at the corner of the bottom plate 1 to ensure that the force on each support column 11 is uniform, and to avoid damage to the device due to uneven force on the support column 11 for a long time. At the same time, the anti-sliding block 12 set on the bottom end of the support column 11 can increase the friction between the device and the ground to avoid the device from slipping during use. The U-shaped plate 52 set on the long plate 51 and the clamping plate 53 fixed on the U-shaped plate 52 can achieve the clamping and fixing of the material when the material is placed between the clamping plates 53. The reducer 62 set on the support frame 61 is used to achieve When the staff starts the reducer 62 when using the device, the rotating shaft 63 fixedly connected to the output end of the reducer 62 rotates, so that the turntable 66 fixedly set on the rotating shaft 63 rotates, and the rotating turntable 66 controls the movement of the long board 51 through the connecting plate 67. The moving long board 51 controls the movement of the clamping plate 53 fixedly set on the long board 51 to clamp and fix materials of different specifications. The sliding groove 7 provided on the positioning frame 2 is used to control the moving direction of the support block 72. The guide plate 731 provided on the positioning frame 2 is used to realize that when the staff controls the movement of the long board 51, the moving long board 51 pushes the extrusion plate 734 to move, and the extrusion plate 734 pushes the slide bar 733 to move, and the guide groove 732 provided on the guide plate 731 allows the slide bar 733 to be adjusted in both the horizontal and vertical directions.

[0034] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary, and within the spirit of the present invention, the technical features in the above embodiments or in different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0035] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A laser welding machine, characterized in that: include: Bottom plate (1); A positioning frame (2) is fixedly arranged on the bottom plate (1), and the cross section of the positioning frame (2) is arranged in a square shape; A welding mechanism (3); fixedly arranged on the base plate (1), and used for welding materials placed on the device; A control console (31) fixedly connected to the base plate (1) and used for adjusting the operation of the welding mechanism (3); A connector (32) rotatably connected to the upper end of the console (31); A welder (33) rotatably connected to the connector (32) and used for welding the material to be processed; A support plate (4) is fixedly arranged on the bottom plate (1), and the two support plates (4) are arranged parallel to each other; A guide rod (41) fixedly connected between the support plate (4) and the positioning frame (2), and the two guide rods (41) are arranged parallel to each other; The clamping mechanism (5) is slidably disposed on the guide rod (41) and is used to clamp and fix the object to be processed.

2. A laser welding machine according to claim 1, characterized in that: Four mutually parallel support columns (11) are fixedly arranged on the bottom plate (1), and the four support columns (11) are evenly distributed at each corner of the bottom plate (1), and an anti-sliding block (12) is fixedly arranged on the bottom end of each support column (11).

3. A laser welding machine according to claim 1, characterized in that: The clamping mechanism (5) comprises a long plate (51) slidably arranged on the guide rod (41), a U-shaped plate (52) being fixedly arranged on the long plate (51), a clamping plate (53) being fixedly arranged on the top of the U-shaped plate (52), and the clamping plates (53) arranged on both sides of the positioning frame (2) are arranged in a mirror image, and a control unit (6) for controlling the movement of the clamping plate (53) is provided on the bottom plate (1).

4. A laser welding machine according to claim 3, characterized in that: The clamping plate (53) is arranged in a funnel shape with a smaller end close to the U-shaped plate (52) and a larger end away from the U-shaped plate (52).

5. A laser welding machine according to claim 3, characterized in that: The control unit (6) comprises two mutually parallel support frames (61) fixedly arranged on the bottom plate (1), and a reducer (62) is fixedly arranged on one of the support frames (61). A rotating shaft (63) is rotatably arranged on the support frame (61), and the rotating shaft (63) is fixedly connected to an output end of the reducer (62). A disk (64) is fixedly arranged on the other end of the rotating shaft (63). A shaft body (65) is eccentrically arranged on the side wall of the disk (64), and a rotating disk (66) is fixedly arranged on the shaft body (65). The rotating disk (66), the disk (64) and the rotating shaft (63) are coaxially arranged. A connecting plate (67) is eccentrically arranged on the rotating disk (66), and the connecting plate (67) is movably connected to the long plate (51).

6. A laser welding machine according to claim 5, characterized in that: The positioning frame (2) is provided with a slide groove (7), a slide plate (71) is slidably arranged on the slide groove (7), a support block (72) is fixedly arranged on the upper end surface of the slide plate (71), and a transmission unit (73) for controlling the movement of the support block (72) is provided on the long board (51).

7. A laser welding machine according to claim 6, characterized in that: The supporting surface of the supporting block (72) is arranged in an arc shape.

8. A laser welding machine according to claim 6, characterized in that: The transmission unit (73) comprises a guide plate (731) fixedly arranged inside the positioning frame (2), a guide groove (732) being provided on the guide plate (731), a slide rod (733) being slidably arranged in the guide groove (732), the guide groove (732) being arranged obliquely upward, and an L-shaped extrusion plate (734) being fixedly arranged on the long plate (51).

9. A laser welding machine according to claim 3, characterized in that: A telescopic column (8) is slidably provided on the upper end surface of the clamping plate (53), an air bag (81) is fixedly provided on the long plate (51), an air supply pipe (82) is fixedly provided on the air bag (81), and the other end of the air supply pipe (82) is fixedly connected to the upper end of the clamping plate (53).

10. The laser welding machine according to claim 3, characterized in that: The clamping surface of the clamping plate (53) is rough.