Laser welding spot polishing device

Abstract

A laser welding spot polishing device comprises a conveying mechanism, a pair of portal frames are symmetrically arranged on cross beams on the two sides of a rack of the conveying mechanism, a polishing area is arranged between the pair of portal frames, a longitudinal walking driving assembly is arranged at the upper end of one portal frame, and a guide column is arranged on the other portal frame; a walking beam is arranged between the longitudinal walking driving assembly and the guide column in a sliding mode, a transverse walking driving assembly is arranged on the walking beam, a walking frame is arranged below the walking beam, the walking frame and the transverse walking driving assembly are arranged in a sliding mode, a lifting frame is arranged on the walking frame, and the lifting frame moves up and down on the walking frame through a lifting driving assembly. A grinding mechanism is arranged on the lifting frame, and clamping mechanisms are arranged on the two sides of the grinding area. The device is simple and reasonable in structure, low in production cost, high in automation degree in use, time-saving, labor-saving, high in reliability and good in operation continuity, and the working efficiency and the product quality are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a laser welding point grinding device. 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 commonly used processing methods in modern industry. At present, most welds are processed manually, that is, the welds are polished and cleaned by hand-held sandpaper or grinding equipment. This cleaning method is relatively primitive, with poor cleaning efficiency and high labor costs; some are processed by grinding devices. The existing grinding devices are cumbersome to operate, with poor operation continuity and low automation.

[0003] In view of the above reasons, a laser welding spot grinding device is now developed. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a laser welding spot grinding device with a simple and reasonable structure, low production cost, high degree of automation during use, time and labor saving, high reliability, and good operation continuity, thereby greatly improving work efficiency and product quality.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a laser welding spot grinding device, including a conveying mechanism, a pair of gantries are symmetrically arranged on the cross beams on both sides of the frame of the conveying mechanism, a grinding area is set between the pair of gantries, a longitudinal walking drive assembly is arranged on the upper end of one of the gantry frames, a guide column is arranged on the other gantry frame, a walking beam is slidably arranged between the longitudinal walking drive assembly and the guide column, the longitudinal walking drive assembly drives the walking beam to move left and right, a transverse walking drive assembly is arranged on the walking beam, a walking frame is arranged below the walking beam, a walking frame is slidably arranged between the walking frame and the transverse walking drive assembly, the transverse walking drive assembly drives the walking frame to move forward and backward, a lifting frame is arranged on the walking frame, the lifting frame moves up and down on the walking frame through the lifting drive assembly, a grinding mechanism is arranged on the lifting frame, and clamping mechanisms are arranged on both sides of the grinding area.

[0006] Furthermore, the grinding mechanism includes a grinding motor, a grinding shaft, and a grinding wheel, and a dust cover is provided at the lower end of the outer circumference of the grinding shaft.

[0007] Furthermore, a dust suction nozzle is arranged on the dust cover, and the dust suction nozzle is connected to the dust suction motor through a bellows.

[0008] Furthermore, the longitudinal walking drive assembly and the transverse walking drive assembly both include a walking motor and a ball screw, one end of the ball screw is correspondingly connected to the walking motor, the walking motor of the longitudinal walking drive assembly is arranged at the upper end of a column of a gantry, the ball screw of the longitudinal walking drive assembly is arranged on the crossbeam of the gantry, and the two ends of the walking beam are respectively connected to the ball screw and the guide column through sliders; the walking motor of the transverse walking drive assembly is arranged at one end of the walking beam, the ball screw of the transverse walking drive assembly is arranged in the walking beam, and the upper end of the walking frame is correspondingly connected to the ball screw of the transverse walking drive assembly through a slider.

[0009] Furthermore, the lifting drive assembly includes a lifting motor arranged on the lifting frame, a lifting gear arranged on the rotating shaft of the lifting motor, and a rack arranged vertically on the traveling frame and meshing with the lifting gear.

[0010] Furthermore, the clamping mechanism includes a clamping plate arranged on the cross beams on both sides of the frame of the conveying mechanism, a cylinder arranged below the clamping plate, and a push plate is arranged at the end of the piston rod of the cylinder.

[0011] Furthermore, the transmission mechanism adopts a powered roller conveyor.

[0012] The beneficial effects of the utility model are as follows: after the detection head in the grinding area detects the workpiece, the cylinder is started, and the piston rod of the cylinder drives the push plate to move upward to lift the workpiece and then fix the workpiece together with the clamping plate, the longitudinal travel drive component drives the travel beam to move to the specified position, the transverse travel drive component drives the travel frame to move to the specified position, the lifting drive component drives the grinding mechanism to move downward through the lifting frame to grind the welding point position of the workpiece, the dust suction nozzle sucks away the dust generated during grinding, and after the grinding of the current welding point position is completed, the lifting drive component drives the grinding mechanism to rise, and the above steps are repeated until all the welding points on the workpiece are polished; the utility model has a simple and reasonable structure, low production cost, high degree of automation during use, time and labor saving, high reliability, and good operation continuity, which greatly improves work efficiency and product quality; the parts not described in detail in the utility model are existing common technologies. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings:

[0014] Figure 1 It is a top view of the structure;

[0015] Figure 2 It is a schematic diagram of the left-view structure;

[0016] Figure 3 It is a front view of the structure;

[0017] In the figure: conveying mechanism 1, gantry 2, walking beam 3, walking frame 4, clamping plate 5, cylinder 6, lifting frame 7, grinding mechanism 8, dust cover 9, longitudinal walking drive assembly 10, transverse walking drive assembly 11, lifting drive assembly 12. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0019] like Figure 1-Figure 3 As shown, a laser welding spot grinding device includes a conveying mechanism 1, a pair of gantries 2 are symmetrically arranged on the cross beams on both sides of the frame of the conveying mechanism 1, a grinding area is set between the pair of gantries 2, a longitudinal walking drive component 10 is arranged on the upper end of one of the gantry frames 2, a guide column is arranged on the other gantry frame 2, a walking beam 3 is slidably arranged between the longitudinal walking drive component 10 and the guide column, the longitudinal walking drive component 10 drives the walking beam 3 to move left and right, a transverse walking drive component 11 is arranged on the walking beam 3, a walking frame 4 is arranged below the walking beam 3, and the walking frame 4 is connected to the walking frame 4. A lateral walking drive assembly 11 is slidingly arranged between them, and the lateral walking drive assembly 11 drives the walking frame 4 to move forward and backward. A lifting frame 7 is arranged on the walking frame 4, and the lifting frame 7 moves up and down on the walking frame 4 through a lifting drive assembly 12. A grinding mechanism 8 is arranged on the lifting frame 7, and clamping mechanisms are arranged on both sides of the grinding area; the grinding mechanism 8 includes a grinding motor, a grinding shaft, and a grinding wheel, and a dust cover 9 is arranged at the lower end of the outer periphery of the grinding shaft; a dust suction nozzle is arranged on the dust cover 9, and the dust suction nozzle is connected to the dust suction motor through a bellows.

[0020] The longitudinal walking drive assembly 10 and the transverse walking drive assembly 11 both include a walking motor and a ball screw. One end of the ball screw is correspondingly connected to the walking motor. The walking motor of the longitudinal walking drive assembly 10 is arranged at the upper end of a column of a gantry 2, and the ball screw of the longitudinal walking drive assembly 10 is arranged on the crossbeam of the gantry 2. The two ends of the walking beam 3 are respectively connected to the ball screw and the guide column through sliders; the walking motor of the transverse walking drive assembly 11 is arranged at one end of the walking beam 3, and the ball screw of the transverse walking drive assembly 11 is arranged in the walking beam 3. The upper end of the walking frame 4 is correspondingly connected to the ball screw of the transverse walking drive assembly 11 through a slider.

[0021] The lifting drive assembly 12 includes a lifting motor arranged on the lifting frame 7, a lifting gear arranged on the rotating shaft of the lifting motor, and a rack arranged vertically on the traveling frame 4 and meshing with the lifting gear.

[0022] The clamping mechanism comprises a clamping plate 5 arranged on the cross beams on both sides of the frame of the conveying mechanism 1, a cylinder 6 arranged below the clamping plate 5, and a push plate is arranged at the end of the piston rod of the cylinder 6.

[0023] The conveying mechanism 1 adopts a powered roller conveyor.

[0024] The above are only specific implementations of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A laser welding spot grinding device, comprising a transmission mechanism (1), characterized in that: A pair of gantries (2) are symmetrically arranged on the cross beams on both sides of the frame of the conveying mechanism (1), and a grinding area is arranged between the pair of gantries (2). A longitudinal travel drive assembly (10) is arranged on the upper end of one of the gantries (2), and a guide column is arranged on the other gantry (2). A walking beam (3) is slidably arranged between the longitudinal travel drive assembly (10) and the guide column, and the longitudinal travel drive assembly (10) drives the walking beam (3) to move left and right. A transverse travel drive assembly (11) is arranged on the walking beam (3), and a walking frame (4) is arranged below the walking beam (3). The walking frame (4) is slidably arranged between the walking frame (4) and the transverse travel drive assembly (11), and the transverse travel drive assembly (11) drives the walking frame (4) to move forward and backward. A lifting frame (7) is arranged on the walking frame (4), and the lifting frame (7) moves up and down on the walking frame (4) through a lifting drive assembly (12). A grinding mechanism (8) is arranged on the lifting frame (7), and clamping mechanisms are arranged on both sides of the grinding area.

2. A laser welding spot grinding device according to claim 1, characterized in that: The grinding mechanism (8) comprises a grinding motor, a grinding shaft and a grinding wheel, and a dust cover (9) is provided at the lower end of the outer circumference of the grinding shaft.

3. A laser welding spot grinding device according to claim 2, characterized in that: The dust cover (9) is provided with a dust suction nozzle, and the dust suction nozzle is connected to the dust suction motor through a bellows.

4. The laser welding spot grinding device according to claim 1, characterized in that: The longitudinal travel drive assembly (10) and the transverse travel drive assembly (11) both comprise a travel motor and a ball screw, one end of the ball screw being correspondingly connected to the travel motor, the travel motor of the longitudinal travel drive assembly (10) being arranged at the upper end of a column of a gantry (2), the ball screw of the longitudinal travel drive assembly (10) being arranged on a crossbeam of the gantry (2), and the two ends of the travel beam (3) being correspondingly connected to the ball screw and the guide column respectively through sliders; the travel motor of the transverse travel drive assembly (11) being arranged at one end of the travel beam (3), the ball screw of the transverse travel drive assembly (11) being arranged in the travel beam (3), and the upper end of the travel frame (4) being correspondingly connected to the ball screw of the transverse travel drive assembly (11) through sliders.

5. The laser welding spot grinding device according to claim 1, characterized in that: The lifting drive assembly (12) comprises a lifting motor arranged on the lifting frame (7), a lifting gear arranged on the rotating shaft of the lifting motor, and a rack arranged vertically on the walking frame (4) and meshing with the lifting gear.

6. The laser welding spot grinding device according to claim 1, characterized in that: The clamping mechanism comprises a clamping plate (5) arranged on the cross beams on both sides of the frame of the conveying mechanism (1), a cylinder (6) arranged below the clamping plate (5), and a push plate is arranged at the end of the piston rod of the cylinder (6).

7. The laser welding spot grinding device according to claim 1, characterized in that: The conveying mechanism (1) adopts a powered roller conveyor.

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