Welding equipment for automobile seat cross beam reinforcing structure

Abstract

The invention discloses welding equipment for an automobile seat cross beam reinforcing structure. Comprising a material frame, clamps, a rotating table used for driving the clamps to be switched among a first feeding station, a second feeding station, a welding station and a discharging station, and a first feeding mechanical arm used for placing a reinforcing box placed on the material frame on the clamp located on the first feeding station. The second feeding manipulator is used for placing a fixing plate on the reinforcing box located at the second feeding station; the welding device is used for welding the reinforcing box and the fixing plate; and the material rack comprises a rotary table which is rotatably arranged and a plurality of material frames which are arranged on the rotary table and are used for storing the reinforcing box. According to the welding equipment for the automobile seat cross beam reinforcing structure, through cooperation of the rotating table, the clamp, the feeding manipulator and the welding device, automatic assembling of the reinforcing box and the fixing plate can be achieved, the reinforcing box is stored through the material frame, automatic feeding is achieved through cooperation of the material frame and the feeding manipulator, the automation degree is high, and the production efficiency can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of automotive parts production equipment. Specifically, the present invention relates to a welding device for an automotive seat crossbeam reinforcement structure. Background Art

[0002] Automobiles are transportation tools that can be seen everywhere in life. People's travel is closely related to them, and the demand for automobiles is also increasing continuously. Each automobile is composed of numerous mechanisms and components. For example, the automotive seat is one of them.

[0003] The existing automotive seat crossbeam reinforcement structure is composed of a reinforcement box and a fixing plate. Nuts are provided on the fixing plate. Both the reinforcement box and the fixing plate are sheet metal parts, and the reinforcement box and the fixing plate need to be welded during assembly.

[0004] In the existing assembly method, during feeding, the reinforcement boxes are manually placed on the inclined feeding plate one by one. The feeding plate guides the reinforcement boxes to the feeding position, and then the feeding robot grabs and places the reinforcement boxes on the fixture. This feeding method has a low degree of automation, resulting in low production efficiency. Summary of the Invention

[0005] The present invention provides a welding device for an automotive seat crossbeam reinforcement structure, aiming to achieve automatic feeding of the reinforcement box and improve production efficiency.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows: A welding device for an automotive seat crossbeam reinforcement structure includes a material rack, a fixture for clamping the reinforcement box and positioning the reinforcement box and the fixing plate, a rotating table rotatably arranged and used for driving the fixture to switch between a first feeding station, a second feeding station, a welding station, and a blanking station, a first feeding manipulator for placing the reinforcement boxes placed on the material rack on the fixture at the first feeding station, a second feeding manipulator for placing the fixing plate on the reinforcement box at the second feeding station, and a welding device for welding the reinforcement box and the fixing plate at the welding station. A plurality of fixtures are provided. The material rack includes a rotatable turntable and a plurality of material frames arranged on the turntable and used for storing the reinforcement boxes.

[0007] The fixture includes a bottom plate arranged on the rotating table, a positioning mechanism arranged on the bottom plate and used for positioning the reinforcement box, and a clamping mechanism arranged on the bottom plate and used for clamping the reinforcement box.

[0008] The clamping mechanism includes a clamping arm rotatably arranged on the bottom plate and an upper clamping block arranged on the clamping arm and used for applying pressure to the reinforcement box.

[0009] The clamping mechanism further includes pressing plates disposed on the clamping arms and used for applying pressure to the reinforcement box. A plurality of pressing plates are provided, and the upper clamping block is disposed between two adjacent pressing plates.

[0010] The positioning mechanism includes a first cushion block and a second cushion block disposed on the bottom plate, a first positioning pin disposed on the first cushion block, and a second positioning pin disposed on the second cushion block. The first positioning pin is configured to simultaneously position the reinforcement box and the fixing plate, and the second positioning pin is configured to position the reinforcement box.

[0011] One first positioning pin is provided, and a plurality of second positioning pins are provided.

[0012] A total of four clamps are provided, and all the clamps are evenly distributed circumferentially.

[0013] The welding device includes a frame, an upper electrode, a lower electrode, a first driving mechanism disposed on the frame and used for controlling the movement of the upper electrode, and a second driving mechanism disposed on the frame and used for controlling the movement of the lower electrode.

[0014] Two upper electrodes are provided.

[0015] All the material boxes disposed on the turntable are evenly distributed circumferentially, and all the reinforcement boxes stored in the material boxes are in a stacked state.

[0016] The welding equipment for the reinforcing structure of the vehicle seat crossbeam according to the present invention can realize the automatic assembly of the reinforcement box and the fixing plate through the cooperation of the rotating table, the clamp, the loading manipulator and the welding device. Moreover, by providing a material rack to store the reinforcement boxes and cooperating with the loading manipulator to realize automatic loading, the degree of automation is high, thereby improving the production efficiency and product quality. Description of the Drawings

[0017] This specification includes the following drawings, and the shown contents are respectively:

[0018] Figure 1 is the welding equipment for the reinforcing structure of the vehicle seat crossbeam according to the present invention;

[0019] Figure 2 is a schematic structural view of the clamp;

[0020] Figure 3 is a schematic view of the use state of the clamp;

[0021] Figure 4 is a schematic structural view of the welding device;

[0022] The markings in the figure are: 1, rotating table; 2, fixture; 201, clamping arm; 202, upper clamping block; 203, pressing plate; 204, bottom plate; 205, driver; 206, first cushion block; 207, second cushion block; 208, first positioning pin; 209, second positioning pin; 3, welding device; 301, upper electrode; 302, lower electrode; 303, first driving mechanism; 304, second driving mechanism; 305, frame; 4, first loading manipulator; 5, second loading manipulator; 6, unloading plate; 7, reinforcing box; 8, fixing plate; 9, turntable; 10, material box. Detailed implementation mode

[0023] The following is a more detailed description of the specific implementation mode of the present invention by referring to the accompanying drawings and describing the embodiments, aiming to help those skilled in the art have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and facilitate its implementation.

[0024] As Figures 1 to 4 shown, the present invention provides a welding device for an automotive seat crossbeam reinforcement structure, including a material rack, a fixture 2 for clamping the reinforcing box 7 and positioning the reinforcing box 7 and the fixing plate 8, a rotatable rotating table 1 for driving the fixture 2 to switch between the first loading station, the second loading station, the welding station and the unloading station, a first loading manipulator 4 for placing the reinforcing box 7 placed on the material rack on the fixture 2 at the first loading station, a second loading manipulator 5 for placing the fixing plate 8 on the reinforcing box 7 at the second loading station, and a welding device 3 for welding the reinforcing box 7 and the fixing plate 8 at the welding station.

[0025] Specifically, as Figure 1 shown, the rotating table 1 is horizontally arranged, the axis of the rotating table 1 is a vertical line, the rotating table 1 is located above the fixed frame, and a driving mechanism for controlling the rotation of the rotating table 1 is arranged on the fixed frame. The driving mechanism mainly includes a driving motor, and the driving mechanism is connected to the rotating table 1 at the center of the rotating table 1. The fixture 2 is arranged on the top surface of the rotating table 1, and a plurality of fixtures 2 are provided. All the fixtures 2 are evenly distributed circumferentially with the axis of the rotating table 1 as the center line. The first loading manipulator 4, the second loading manipulator 5 and the welding device 3 are distributed around the outside of the fixed frame. The first loading manipulator 4 is arranged at the first loading station. The first loading manipulator 4 is mainly composed of an industrial robot and a gripper arranged on the industrial robot. The gripper is used to grab the reinforcing box 7 stored on the material rack. The second loading manipulator 5 is arranged at the second loading station. The second loading manipulator 5 is mainly composed of an industrial robot and a gripper arranged on the industrial robot. The gripper is used to grab the fixing plate 8 at the discharge port of the vibrating feeder. The vibrating feeder is used to store the fixing plate 8.

[0026] As Figure 1As shown in the figure, the rack includes a turntable 9 that is rotatably arranged and a plurality of bins 10 that are arranged on the turntable 9 and used for storing the reinforcement boxes. The turntable 9 is horizontally arranged, and all the bins 10 arranged on the turntable 9 are evenly distributed circumferentially with the axis of the turntable 9 as the center line. The axis of the turntable 9 is a vertical line, and the turntable 9 is connected to the motor at the center, and the motor drives the turntable 9 to rotate. The bin 10 is vertically arranged, and the bin 10 has an open top and a hollow interior structure, and all the reinforcement boxes stored in the bin 10 are in a stacked state. The rack with this structure can store a relatively large number of reinforcement boxes at one time. When loading, the first loading manipulator 4 grabs the reinforcement boxes in each bin 10 in turn, eliminating the need for manual loading one by one, with high automation, high efficiency, and reduced labor intensity.

[0027] As Figures 1 to 3 shown in the figure, the fixture 2 includes a bottom plate 204 arranged on the rotating table 1, a positioning mechanism arranged on the bottom plate 204 and used for positioning the reinforcement box 7, and a clamping mechanism arranged on the bottom plate 204 and used for clamping the reinforcement box 7. The clamping mechanism includes a clamping arm 201 rotatably arranged on the bottom plate 204, a driver 205 arranged on the bottom plate 204 and used for controlling the rotation of the clamping arm 201, and an upper clamping block 202 arranged on the clamping arm 201 and used for applying pressure to the reinforcement box 7. The bottom plate 204 is fixedly arranged on the top surface of the rotating table 1. The rotation center line of the clamping arm 201 is a horizontal line. One end of the clamping arm 201 in the length direction is rotatably connected to the driver 205, and the upper clamping block 202 is fixedly arranged at the other end of the clamping arm 201 in the length direction. The driver 205 is vertically arranged on the bottom plate 204. The driver 205 is used for controlling the up-and-down rotation of the clamping arm 201. The clamping arm 201 is rotatably connected to the bottom plate 204 through a connecting rod at a position between the two ends. The driver 205 is a cylinder. The upper clamping block 202 is fixedly arranged on the clamping arm 201, and the upper clamping block 202 is used for contacting the bottom wall of the reinforcement box 7. In the clamped state, the reinforcement box 7 is in a horizontal state, and the upper clamping block 202 is located above the bottom wall of the reinforcement box 7 and used for applying a downward pressure to the bottom wall of the reinforcement box 7 to realize the clamping and fixing of the reinforcement box 7.

[0028] As Figure 2 and Figure 3As shown, the clamping mechanism further includes a pressing plate 203 disposed on the clamping arm 201 and used to apply pressure to the reinforcing box 7. A plurality of pressing plates 203 are provided, and the upper clamping block 202 is disposed between two adjacent pressing plates 203. The pressing plate 203 is used to apply downward pressure to the reinforcing box 7 at both ends in the length direction of the reinforcing box 7, and the upper clamping block 202 is used to apply downward pressure to the reinforcing box 7 at the middle position in the length direction of the reinforcing box 7. Through the cooperation of the upper clamping block 202 and the pressing plate 203, it can be ensured that the fixing of the reinforcing box 7 is more reliable, and the force on the reinforcing box 7 is uniform, avoiding deformation of the reinforcing box 7 during the welding process, which helps to improve the quality of the welded product.

[0029] As Figure 2 and Figure 3 shown, in this embodiment, two pressing plates 203 are provided, and the upper clamping block 202 is located at the middle position between the two pressing plates 203.

[0030] As Figures 1 to 3 shown, the positioning mechanism includes a first cushion block 206, a second cushion block 207 disposed on the bottom plate 204, a first positioning pin 208 disposed on the first cushion block 206, and a second positioning pin 209 disposed on the second cushion block 207. The first positioning pin 208 is configured to simultaneously position the reinforcing box 7 and the fixing plate 8, and the second positioning pin 209 is configured to position the reinforcing box 7. One first positioning pin 208 is provided, and a plurality of second positioning pins 209 are provided. The first positioning pin 208 and the second positioning pin 209 are vertically arranged. The first cushion block 206 and the second cushion block 207 are fixedly disposed at the same end of the bottom plate 204, the first cushion block 206 and the second cushion block 207 are horizontally arranged, and the first cushion block 206 and the second cushion block 207 are used to carry the reinforcing box 7.

[0031] As Figure 2 and Figure 3 shown, in this embodiment, one first cushion block 206 is provided, and two second cushion blocks 207 are provided. The two second cushion blocks 207 are used to provide a supporting effect on the reinforcing box 7 at both ends in the length direction of the reinforcing box 7, and the first cushion block 206 is used to provide a supporting effect on the reinforcing box 7 at the middle position in the length direction of the reinforcing box 7. Each second cushion block 207 is respectively located below a pressing plate 203, and each second cushion block 207 is respectively provided with a second positioning pin 209. A positioning hole for inserting the second positioning pin 209 is provided at each end in the length direction of the reinforcing box 7, and a positioning hole for inserting the first positioning pin 208 is provided at the middle position in the length direction of the reinforcing box 7. Through the cooperation of the first positioning pin 208 and the plurality of second positioning pins 209, it can be ensured that the positioning of the reinforcing box 7 is accurate.

[0032] As Figure 1As shown, in this embodiment, a total of four jigs 2 are provided, and all the jigs 2 are evenly distributed circumferentially.

[0033] As Figure 1 and Figure 4 shown, the welding device 3 includes a frame 305, an upper electrode 301, a lower electrode 302, a first driving mechanism 303 provided on the frame 305 and used to control the movement of the upper electrode 301, and a second driving mechanism 304 provided on the frame 305 and used to control the movement of the lower electrode 302. The upper electrode 301 cooperates with the lower electrode 302 to weld the reinforcement box 7 and the fixing plate 8 together. The upper electrode 301 is located above the lower electrode 302. The first driving mechanism 303 is used to control the movement of the upper electrode 301 in the vertical direction to control the contact and separation of the upper electrode 301 and the fixing plate 8. The second driving mechanism 304 is used to control the movement of the lower electrode 302 in the vertical direction to control the contact and separation of the lower electrode 302 and the rotating table 1. The rotating table 1, the bottom plate 204, the first spacer 206, the second spacer 207, the reinforcement box 7, and the fixing plate 8 are all made of metal and can conduct electricity. When the lower electrode 302 contacts the rotating table 1 and at the same time the upper electrode 301 contacts the fixing plate 8, after being energized, the reinforcement box 7 and the fixing plate 8 can be welded together to realize the assembly of the reinforcement box 7 and the fixing plate 8, forming a reinforcement structure for the automotive seat crossbeam.

[0034] As Figure 1 and Figure 4 shown, in this embodiment, two upper electrodes 301 are provided. The first driving mechanism 303 mainly includes a first air cylinder provided on the frame 305. The first air cylinder is connected to the upper electrode 301, and the lifting of the upper electrode 301 can be controlled by the telescopic movement of the first air cylinder. The second driving mechanism 304 mainly includes a second air cylinder provided on the frame 305. The second air cylinder is connected to the lower electrode 302, and the lifting of the lower electrode 302 can be controlled by the telescopic movement of the second air cylinder.

[0035] As Figure 1As shown, at the first loading station, the first loading robot 4 grabs a reinforcement box 7 on the rack and places the reinforcement box 7 on the fixture 2 located at the first loading station. Then, the fixture 2 positions and clamps the reinforcement box 7. Then, the rotating table 1 rotates 90 degrees, rotating the fixture 2 loaded with the reinforcement box 7 to the second loading station, and at the same time, an empty fixture 2 rotates to the first loading station. At the second loading station, the second loading robot 5 grabs a fixing plate 8 and places the fixing plate 8 on the reinforcement box 7 located at the second loading station. The first positioning pin 208 is inserted into the positioning hole at the center of the fixing plate 8 to position the fixing plate 8. Then, the rotating table 1 rotates 90 degrees again, rotating the fixture 2 loaded with the reinforcement box 7 and the fixing plate 8 to the welding station, and at the same time, the next fixture 2 loaded with the reinforcement box 7 rotates to the second loading station. At the welding station, the welding device 3 welds the reinforcement box 7 and the fixing plate 8 together to form a reinforcement structure for the vehicle seat crossbeam. Then, the rotating table 1 rotates 90 degrees again, rotating the fixture 2 loaded with the reinforcement structure for the vehicle seat crossbeam to the unloading station, and at the same time, the next fixture 2 loaded with the reinforcement box 7 and the fixing plate 8 rotates to the welding station.

[0036] At the unloading station, after the fixture 2 releases the reinforcement structure for the vehicle seat crossbeam, the operator at the unloading station takes out the reinforcement structure for the vehicle seat crossbeam and places the reinforcement structure for the vehicle seat crossbeam on the inclined unloading plate 6. The unloading plate 6 guides the reinforcement structure for the vehicle seat crossbeam into the lower material box 10 to achieve collection.

[0037] The reinforcement structure for the vehicle seat crossbeam is arranged inside the vehicle seat crossbeam to improve the structural strength of the vehicle seat crossbeam. The reinforcement box is in a box structure and is used for fixedly connecting with the vehicle seat crossbeam. Nuts are arranged on the fixing plate.

[0038] The present invention has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner. As long as various non-substantial improvements are made by adopting the method concept and technical solution of the present invention; or without improvement, the above-mentioned concept and technical solution of the present invention are directly applied to other occasions, they are all within the protection scope of the present invention.

Claims

1. Welding equipment for the reinforcement structure of an automotive seat crossbeam, characterized in that: it includes a material rack, a fixture for clamping the reinforcement box and positioning the reinforcement box and the fixing plate, a rotating table rotatably arranged and used to drive the fixture to switch between a first loading station, a second loading station, a welding station and a unloading station, a first loading manipulator for placing the reinforcement boxes placed on the material rack on the fixture located at the first loading station, a second loading manipulator for placing the fixing plate on the reinforcement box located at the second loading station, and a welding device for welding the reinforcement box and the fixing plate at the welding station. Multiple fixtures are provided. The material rack includes a rotatable turntable and multiple material frames arranged on the turntable and used for storing the reinforcement boxes.

2. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to claim 1, characterized in that: the fixture includes a bottom plate arranged on the rotating table, a positioning mechanism arranged on the bottom plate and used for positioning the reinforcement box, and a clamping mechanism arranged on the bottom plate and used for clamping the reinforcement box.

3. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to claim 2, characterized in that: the clamping mechanism includes a clamping arm rotatably arranged on the bottom plate and an upper clamping block arranged on the clamping arm and used for applying pressure to the reinforcement box.

4. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to claim 3, characterized in that: the clamping mechanism further includes a pressing plate arranged on the clamping arm and used for applying pressure to the reinforcement box. Multiple pressing plates are provided, and the upper clamping block is arranged between two adjacent pressing plates.

5. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to any one of claims 2 to 4, characterized in that: the positioning mechanism includes a first cushion block, a second cushion block arranged on the bottom plate, a first positioning pin arranged on the first cushion block and a second positioning pin arranged on the second cushion block. The first positioning pin is arranged to simultaneously position the reinforcement box and the fixing plate, and the second positioning pin is arranged to position the reinforcement box.

6. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to claim 5, characterized in that: one first positioning pin is provided, and multiple second positioning pins are provided.

7. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to any one of claims 1 to 6, characterized in that: a total of four fixtures are provided, and all the fixtures are evenly distributed circumferentially.

8. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to any one of claims 1 to 7, characterized in that: the welding device includes a frame, an upper electrode, a lower electrode, a first driving mechanism arranged on the frame and used for controlling the movement of the upper electrode, and a second driving mechanism arranged on the frame and used for controlling the movement of the lower electrode.

9. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to claim 8, characterized in that: two upper electrodes are provided.

10. The welding equipment for the reinforcement structure of an automotive seat crossbeam according to any one of claims 1 to 9, characterized in that: all the material frames arranged on the turntable are evenly distributed circumferentially, and all the reinforcement boxes stored in the material frames are in a stacked state.

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