Laser welding positioning assembly

Abstract

The laser welding positioning assembly comprises a bottom plate, a supporting rod is fixedly connected to the top of one end of the bottom plate, a connecting rod is fixedly connected to the side wall of the top end, close to one end of the bottom plate, of the supporting rod, a lifting electric push rod is arranged at the bottom of one side of the connecting rod, and the output end of the lifting electric push rod faces the bottom. The output end of the lifting electric push rod is fixedly connected with a U-shaped plate. A fixed plate is matched with a clamping plate to clamp a welding workpiece, then a linear motor drives a lifting electric push rod to move and adjust the position, then the lifting electric push rod is started to drive a U-shaped plate to move and adjust the height, and then a stepping motor is started to be matched with a rotating shaft to drive a laser positioner to rotate; therefore, the laser positioner is driven to position welding positions at different angles, the laser welding positioning accuracy is improved, meanwhile, positioning of workpiece welding faces at different angles is improved, and the welding efficiency and the welding yield are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a laser welding positioning component. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. It is mainly used for welding thin-walled materials and low-speed welding. The welding process is a heat conduction type, that is, the laser radiation heats the surface of the workpiece, and the surface heat diffuses to the inside through heat conduction. By controlling the width, energy, peak power and repetition frequency of the laser pulse, the workpiece is melted to form a specific molten pool. Due to its unique advantages, it has been successfully applied to the precision welding of micro and small parts.

[0003] However, in the prior art, most laser welding devices are not equipped with a positioning device, which reduces the accuracy of laser welding of workpieces, thereby reducing the efficiency of laser welding and the welding yield rate. Utility Model Content

[0004] The purpose of the utility model is to provide a laser welding positioning component, which tightens the welding workpiece through a fixed plate cooperating with a clamping plate, and then drives the lifting electric push rod to move and adjust the position through a linear motor, and then drives the U-shaped plate to move and adjust the height through the lifting electric push rod, and then starts the stepper motor and cooperates with the rotating shaft to drive the laser positioner to rotate, thereby driving the laser positioner to position the welding positions at different angles, improving the accuracy of laser welding positioning, and at the same time, improving the positioning of the welding surfaces of the workpieces at different angles, improving the welding efficiency and the welding yield rate, so as to solve the problem raised in the above background technology that in the prior art, most laser welding devices do not have a positioning device, thereby reducing the accuracy of laser welding of the workpiece, thereby reducing the efficiency of laser welding and the welding yield rate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser welding positioning assembly, comprising a base plate, a support rod is fixedly connected to the top of one end of the base plate, a connecting rod is fixedly connected to the top side wall of the support rod near one end of the base plate, a lifting electric push rod is arranged at the bottom of one side of the connecting rod, the output end of the lifting electric push rod is arranged toward the bottom, the output end of the lifting electric push rod is fixedly connected to a U-shaped plate, the U-shaped plate is arranged toward one end of the base plate with a notch, a laser locator is arranged inside the U-shaped plate, both end side walls of the laser locator are fixedly connected to a rotating shaft, and the two ends of the rotating shafts are respectively away from the laser locators and are rotatably connected to the inner wall of the U-shaped plate, one end of the U-shaped plate is fixedly connected to a stepper motor, the output end of the stepper motor is rotatably connected to the U-shaped plate, and the output end of the stepper motor is fixedly connected to the side wall of the rotating shaft after passing through the U-shaped plate.

[0006] As a further solution of the utility model: a movable inner cavity is provided inside the connecting rod, a through groove is provided through the bottom of the connecting rod located at the bottom end of the movable inner cavity, and a linear motor is movably connected inside the movable inner cavity.

[0007] As a further solution of the utility model: the outer diameter of the lifting electric push rod is smaller than the inner diameter of the bottom of the through-slot, the top of the lifting electric push rod is movably connected to the through-slot, and the top of the lifting electric push rod is fixedly connected to the bottom of the linear motor.

[0008] As a further solution of the utility model: the top of the bottom plate away from one end of the support rod is fixedly connected to two fixing plates, and a clamping plate is arranged at one end of the two fixing plates close to each other.

[0009] As a further solution of the utility model: the side walls of the two fixing plates away from one end of the support rod are threadedly connected with a screw rod, and the screw rod passes through one end of the fixing plate and is rotatably connected to the side wall of the clamping plate through a bearing.

[0010] As a further solution of the utility model: an anti-slip pad is fixedly connected to the bottom of the base plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, the welding workpiece is tightened by the fixed plate in cooperation with the clamping plate, and then the lifting electric push rod is driven by the linear motor to move and adjust the position, and then the lifting electric push rod is started to drive the U-shaped plate to move and adjust the height, and then the stepper motor is started and cooperated with the rotating shaft to drive the laser locator to rotate, thereby driving the laser locator to locate the welding positions at different angles, improving the positioning accuracy of laser welding, and at the same time, improving the positioning of the welding surfaces of workpieces at different angles, improving the welding efficiency and welding yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of a laser welding positioning assembly of the utility model;

[0013] Figure 2 It is an enlarged schematic diagram of the cross-sectional structure of a connecting rod in a laser welding positioning assembly of the utility model;

[0014] Figure 3 This utility model is a laser welding positioning component Figure 2 A schematic diagram of the structure enlargement at the center A;

[0015] Figure 4 This utility model is a laser welding positioning component Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0016] In the figure: 1. Base plate; 2. Anti-slip pad; 3. Fixed plate; 4. Clamping plate; 5. Screw; 6. Support rod; 7. Connecting rod; 8. Lifting electric push rod; 9. Movable inner cavity; 10. Linear motor; 11. Through slot; 12. U-shaped plate; 13. Laser locator; 14. Rotating shaft; 15. Stepping motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0019] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figures 1 to 4In the embodiment of the utility model, a laser welding positioning assembly includes a base plate 1, a support rod 6 is fixedly connected to the top of one end of the base plate 1, a connecting rod 7 is fixedly connected to the top side wall of the support rod 6 near one end of the base plate 1, a lifting electric push rod 8 is arranged at the bottom of one side of the connecting rod 7, the output end of the lifting electric push rod 8 is arranged toward the bottom, and the output end of the lifting electric push rod 8 is fixedly connected to a U-shaped plate 12, the U-shaped plate 12 is arranged toward one end of the base plate 1 with a notch, a laser locator 13 is arranged inside the U-shaped plate 12, and the side walls of both ends of the laser locator 13 are fixedly connected to a rotating shaft 14, and the ends of the two rotating shafts 14 are respectively away from the laser locator 13 and are rotatably connected to the inner wall of the U-shaped plate 12, and a stepping motor 15 is fixedly connected to one end of the U-shaped plate 12, and the output end of the stepping motor 15 is rotatably connected to the U-shaped plate 12, and the output end of the stepping motor 15 is fixedly connected to the side wall of the rotating shaft 14 after passing through the U-shaped plate 12.

[0022] Preferably, in this embodiment, a plurality of control buttons are provided on one side wall of the support rod 6, and an indicator light is also provided on the top of the support rod 6. The internal circuit can be controlled by the control buttons, and the working status of the equipment can be indicated by the indicator light.

[0023] An active inner cavity 9 is provided inside the connecting rod 7 , a through groove 11 is provided through the bottom of the connecting rod 7 at the bottom end of the active inner cavity 9 , and a linear motor 10 is movably connected inside the active inner cavity 9 .

[0024] The outer diameter of the lifting electric push rod 8 is smaller than the inner diameter of the bottom of the through slot 11 , the top of the lifting electric push rod 8 is movably connected to the through slot 11 , and the top of the lifting electric push rod 8 is fixedly connected to the bottom of the linear motor 10 .

[0025] Preferably, in the present embodiment, the linear motor 10 drives the lifting electric push rod 8 to move, and then the height of the U-shaped plate 12 is adjusted by the lifting electric push rod 8 to improve the welding positioning accuracy.

[0026] Two fixing plates 3 are fixedly connected to the top of the bottom plate 1 at one end away from the support rod 6 , and a clamping plate 4 is provided at one end of the two fixing plates 3 close to each other.

[0027] The side walls of the two fixing plates 3 away from the end of the support rod 6 are threadedly connected with a screw rod 5, and one end of the screw rod 5 passes through the fixing plate 3 and is rotatably connected to the side wall of the clamping plate 4 through a bearing.

[0028] The bottom of the base plate 1 is fixedly connected with an anti-skid pad 2 .

[0029] The working principle of the utility model is: place the equipment in the working position, connect the external power supply line with the internal line, then place the workpiece between the clamping plate 4 and the fixed plate 3, rotate the screw 5 to drive the clamping plate 4 to move, cooperate with the fixed plate 3 to clamp the workpiece, and then drive the lifting electric push rod 8 to move through the linear motor 10, start the lifting electric push rod 8, drive the U-shaped plate 12 to adjust the height, according to the welding angle of the parts, choose whether to start the stepping motor 15, cooperate with the bearing 14 to drive the laser locator 13 to rotate, adjust the angle of the laser locator 13, thereby improving the accuracy of laser welding of the workpiece.

[0030] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0031] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A laser welding positioning assembly, comprising a base plate (1), characterized in that: A support rod (6) is fixedly connected to the top of one end of the bottom plate (1), a connecting rod (7) is fixedly connected to the top side wall of the support rod (6) close to one end of the bottom plate (1), a lifting electric push rod (8) is arranged at the bottom of one side of the connecting rod (7), the output end of the lifting electric push rod (8) is arranged toward the bottom, and a U-shaped plate (12) is fixedly connected to the output end of the lifting electric push rod (8), the U-shaped plate (12) is arranged with a notch toward one end of the bottom plate (1), and a laser positioning device is arranged inside the U-shaped plate (12). The laser locator (13) is provided with a rotating shaft (14) fixedly connected to the side walls at both ends of the laser locator (13); one end of the two rotating shafts (14) away from the laser locator (13) is rotatably connected to the inner wall of the U-shaped plate (12); one end of the U-shaped plate (12) is fixedly connected to a stepper motor (15); the output end of the stepper motor (15) is rotatably connected to the U-shaped plate (12); the output end of the stepper motor (15) passes through the U-shaped plate (12) and is fixedly connected to the side wall of the rotating shaft (14).

2. A laser welding positioning assembly according to claim 1, characterized in that: The connecting rod (7) has an active inner cavity (9) formed inside, and a through groove (11) is formed through the bottom of the connecting rod (7) at the bottom end of the active inner cavity (9). The active inner cavity (9) is movably connected to a linear motor (10).

3. A laser welding positioning assembly according to claim 1, characterized in that: The outer diameter of the lifting electric push rod (8) is smaller than the inner diameter of the bottom of the through slot (11), the top of the lifting electric push rod (8) is movably connected to the through slot (11), and the top of the lifting electric push rod (8) is fixedly connected to the bottom of the linear motor (10).

4. The laser welding positioning assembly according to claim 1, characterized in that: Two fixing plates (3) are fixedly connected to the top of one end of the bottom plate (1) away from the support rod (6), and a clamping plate (4) is provided at one end of the two fixing plates (3) close to each other.

5. A laser welding positioning assembly according to claim 4, characterized in that: A screw rod (5) is threadedly connected through the side wall of the two fixing plates (3) away from one end of the support rod (6); one end of the screw rod (5) passes through the fixing plate (3) and is rotatably connected to the side wall of the clamping plate (4) through a bearing.

6. The laser welding positioning assembly according to claim 1, characterized in that: An anti-slip pad (2) is fixedly connected to the bottom of the base plate (1).

Images