Preparation method of mounting rack assembly in automobile seat

Abstract

The invention discloses a preparation method of an automobile seat inner mounting frame assembly. The preparation method comprises the steps that S1, a seat inner mounting plate is placed on a clamp located on a first feeding station through a first feeding mechanical arm; s2, the rotary table drives the clamp to rotate by 90 degrees, and the clamp loaded with the seat inner mounting plate is rotated to a second feeding station; s3, a second feeding mechanical arm places the nut plate on the seat inner mounting plate located on a second feeding station; s4, the rotating table rotates by 90 degrees again, and the clamp loaded with the seat inner mounting plate and the nut plate is rotated to the welding station; and S5, at the welding station, the seat inner mounting plate and the nut plate are welded through a welding device, and the automobile seat inner mounting frame assembly is formed. According to the preparation method of the automobile seat inner mounting frame assembly, through cooperation of the rotating table, the clamp, the feeding mechanical arm and the welding device, automatic assembly of the seat inner mounting plate and the nut plate can be achieved, and the automation degree is high.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile parts production technology, and in particular, relates to a method for preparing an automobile seat inner mounting frame assembly. Background Art

[0002] Cars are a ubiquitous means of transportation in life. People's travel is closely related to them. The demand for cars is also increasing. Each car is composed of many mechanisms and parts, such as car seats.

[0003] The existing automobile seat inner mounting frame assembly is composed of a seat inner mounting plate and a nut plate, on which nuts are arranged. The seat inner mounting plate and the nut plate are both sheet metal parts, and the seat inner mounting plate and the nut plate need to be welded during assembly.

[0004] The existing assembly method is to manually install the seat inner mounting plate and the nut plate on a welding fixture, and then weld the seat inner mounting plate and the nut plate. This assembly method requires many manual operation steps, has a low degree of automation, and leads to low production efficiency. Summary of the invention

[0005] The present invention provides a method for preparing an inner mounting frame assembly of an automobile seat, the purpose of which is to improve the degree of automation and production efficiency.

[0006] In order to achieve the above-mentioned object, the technical solution adopted by the present invention is: a method for preparing an inner mounting frame assembly of an automobile seat, comprising the steps of:

[0007] S1, the first loading manipulator places the seat inner mounting plate on the fixture located at the first loading station;

[0008] S2. The rotating table drives the fixture to rotate 90 degrees, and rotates the fixture loaded with the seat inner mounting plate to the second loading station;

[0009] S3, the second loading robot places the nut plate on the seat inner mounting plate located at the second loading station;

[0010] S4. The rotating table is rotated 90 degrees again, and the fixture loaded with the seat inner mounting plate and the nut plate is rotated to the welding station;

[0011] S5. At the welding station, the welding device welds the seat inner mounting plate and the nut plate to form an automobile seat inner mounting frame assembly;

[0012] S6. The rotating table rotates 90 degrees again, and the fixture loaded with the automobile seat inner mounting frame assembly is rotated to the unloading station.

[0013] The clamp comprises a bottom plate arranged on the rotating platform, a positioning mechanism arranged on the bottom plate and used for positioning the inner mounting plate of the seat, and a clamping mechanism arranged on the bottom plate and used for clamping the inner mounting plate of the seat.

[0014] The clamping mechanism comprises 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 inner mounting plate of the seat.

[0015] The clamping mechanism also includes a clamping plate arranged on the clamping arm and used for applying pressure to the inner mounting plate of the seat. A plurality of clamping plates are arranged, and the upper clamping block is arranged between two adjacent clamping plates.

[0016] The positioning mechanism includes a first pad block and a second pad block arranged on the base plate, a first positioning pin arranged on the first pad block, and a second positioning pin arranged on the second pad block. The first positioning pin is arranged to simultaneously position the inner mounting plate and the nut plate of the seat, and the second positioning pin is arranged to position the inner mounting plate of the seat.

[0017] One first positioning pin is provided, and a plurality of second positioning pins are provided.

[0018] There are four clamps in total, and all the clamps are evenly distributed along the circumferential direction.

[0019] The welding device comprises 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.

[0020] Two upper electrodes are provided.

[0021] The preparation method of the automobile seat inner mounting frame assembly of the present invention can realize the automatic assembly of the seat inner mounting plate and the nut plate through the cooperation of the rotating table, the clamp, the feeding manipulator and the welding device, and has a high degree of automation, thereby improving production efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] This specification includes the following drawings, which show the following contents:

[0023] Figure 1 It is a structural schematic diagram of the production equipment for the inner mounting frame assembly of the automobile seat;

[0024] Figure 2 It is a schematic diagram of the structure of the fixture;

[0025] Figure 3 It is a schematic diagram of the use status of the fixture;

[0026] Figure 4 It is a schematic diagram of the structure of the welding device;

[0027] Markings in the figure are: 1. Rotating table; 2. Clamp; 201. Clamping arm; 202. Upper clamping block; 203. Pressing plate; 204. Bottom plate; 205. Driver; 206. First pad; 207. Second pad; 208. First locating pin; 209. Second locating pin; 3. Welding device; 301. Upper electrode; 302. Lower electrode; 303. First driving mechanism; 304. Second driving mechanism; 305. Frame; 4. First loading robot; 5. Second loading robot; 6. Unloading plate; 7. Seat inner mounting plate; 8. Nut plate. DETAILED DESCRIPTION

[0028] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and facilitating its implementation.

[0029] like Figure 1 As shown, the present invention provides a method for preparing an inner mounting frame assembly of an automobile seat, using an inner mounting frame assembly production device for an automobile seat, and comprising the following steps:

[0030] S1, the first loading manipulator places the seat inner mounting plate on the fixture located at the first loading station;

[0031] S2. The rotating table drives the fixture to rotate 90 degrees, and rotates the fixture loaded with the seat inner mounting plate to the second loading station;

[0032] S3, the second loading robot places the nut plate on the seat inner mounting plate located at the second loading station;

[0033] S4. The rotating table is rotated 90 degrees again, and the fixture loaded with the seat inner mounting plate and the nut plate is rotated to the welding station;

[0034] S5. At the welding station, the welding device welds the seat inner mounting plate and the nut plate to form an automobile seat inner mounting frame assembly;

[0035] S6. The rotating table rotates 90 degrees again, and the fixture loaded with the automobile seat inner mounting frame assembly is rotated to the unloading station.

[0036] Specifically, if Figures 1 to 4As shown, the production equipment of the automobile seat inner mounting frame assembly includes a fixture 2 for clamping the seat inner mounting plate 7 and for positioning the seat inner mounting plate 7 and the nut plate 8, a rotating table 1 which can be rotatably arranged and used to drive the fixture 2 to switch between a first loading station, a second loading station, a welding station and an unloading station, a first loading robot 4 for placing the seat inner mounting plate 7 on the fixture 2 located at the first loading station, a second loading robot 5 for placing the nut plate 8 on the seat inner mounting plate 7 located at the second loading station, and a welding device 3 for welding the seat inner mounting plate 7 and the nut plate 8 at the welding station.

[0037] like Figure 1 As 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 rotating table 1 to rotate 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 clamp 2 is arranged on the top surface of the rotating table 1, and multiple clamps 2 are arranged. All clamps 2 are evenly distributed along the circumferential direction with the axis of the rotating table 1 as the center line. The first feeding manipulator 4, the second feeding manipulator 5 and the welding device 3 are distributed around the outer side of the fixed frame. The first feeding manipulator 4 is arranged at the first feeding station. The first feeding manipulator 4 is mainly composed of an industrial robot and a clamp arranged on the industrial robot. The clamp is used to grab the mounting plate 7 in the seat. The second feeding manipulator 5 is arranged at the second feeding station. The second feeding manipulator 5 is mainly composed of an industrial robot and a clamp arranged on the industrial robot. The clamp is used to grab the nut plate 8.

[0038] like Figures 1 to 3As shown, the fixture 2 includes a bottom plate 204 disposed on the rotating table 1, a positioning mechanism disposed on the bottom plate 204 and used to position the seat inner mounting plate 7, and a clamping mechanism disposed on the bottom plate 204 and used to clamp the seat inner mounting plate 7. The clamping mechanism includes a clamping arm 201 rotatably disposed on the bottom plate 204, a driver 205 disposed on the bottom plate 204 and used to control the clamping arm 201 to rotate, and an upper clamping block 202 disposed on the clamping arm 201 and used to apply pressure to the seat inner mounting plate 7. The bottom plate 204 is fixedly disposed 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 disposed on 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 to control the up and down rotation of the clamping arm 201. The clamping arm 201 is rotatably connected to the bottom plate 204 at a position between the two ends through a connecting rod. The driver 205 is a cylinder. The upper clamping block 202 is fixedly arranged on the clamping arm 201. The upper clamping block 202 is used to contact the bottom wall of the seat inner mounting plate 7. In the clamping state, the seat inner mounting plate 7 is in a horizontal state. The upper clamping block 202 is located above the bottom wall of the seat inner mounting plate 7 and is used to apply downward pressure to the bottom wall of the seat inner mounting plate 7 to achieve the clamping and fixing of the seat inner mounting plate 7.

[0039] like Figure 2 and Figure 3 As shown, the clamping mechanism also includes a clamping plate 203 disposed on the clamping arm 201 and used to apply pressure to the seat inner mounting plate 7. A plurality of clamping plates 203 are provided, and an upper clamping block 202 is provided between two adjacent clamping plates 203. The clamping plate 203 is used to apply downward pressure to the seat inner mounting plate 7 at both ends of the seat inner mounting plate 7 in the length direction, and the upper clamping block 202 is used to apply downward pressure to the seat inner mounting plate 7 at the middle position of the seat inner mounting plate 7 in the length direction. Through the cooperation of the upper clamping block 202 and the clamping plate 203, it can be ensured that the seat inner mounting plate 7 is fixed more firmly, and the seat inner mounting plate 7 is subjected to uniform force, so as to avoid deformation of the seat inner mounting plate 7 during welding, which is helpful to improve the quality of the product after welding.

[0040] like Figure 2 and Figure 3 As shown, in this embodiment, two clamping plates 203 are provided, and the upper clamping block 202 is located in the middle position of the two clamping plates 203 .

[0041] like Figures 1 to 3As shown, the positioning mechanism includes a first cushion block 206 and 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 inner seat mounting plate 7 and the nut plate 8, and the second positioning pin 209 is configured to position the inner seat mounting plate 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 arranged at the same end of the bottom plate 204, and 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 support the inner seat mounting plate 7.

[0042] like Figure 2 and Figure 3 As 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 support for the seat inner mounting plate 7 at both ends in the length direction of the seat inner mounting plate 7. The first cushion block 206 is used to provide support for the seat inner mounting plate 7 at the middle position in the length direction of the seat inner mounting plate 7. Each second cushion block 207 is located below a pressing plate 203, and each second cushion block 207 is 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 seat inner mounting plate 7, and a positioning hole for inserting the first positioning pin 208 is provided at the middle position in the length direction of the seat inner mounting plate 7. Through the cooperation of the first positioning pin 208 and the plurality of second positioning pins 209, the accurate positioning of the seat inner mounting plate 7 can be ensured.

[0043] like Figure 1 As shown, in this embodiment, four clamps 2 are provided, and all the clamps 2 are evenly distributed along the circumferential direction.

[0044] like Figure 1 and Figure 4As shown, the welding device 3 includes a frame 305, an upper electrode 301, a lower electrode 302, a first driving mechanism 303 arranged on the frame 305 and used to control the movement of the upper electrode 301, and a second driving mechanism 304 arranged 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 inner mounting plate 7 and the nut plate 8 of the seat together. The upper electrode 301 is located above the lower electrode 302, and the first driving mechanism 303 is used to control the upper electrode 301 to move in the vertical direction, and control the upper electrode 301 to contact and separate from the nut plate 8. The second driving mechanism 304 is used to control the lower electrode 302 to move in the vertical direction, and control the lower electrode 302 to contact and separate from the rotating table 1. The materials of the rotating table 1, the bottom plate 204, the first cushion block 206, the second cushion block 207, the inner mounting plate 7 of the seat, and the nut plate 8 are all metal and can conduct electricity. When the lower electrode 302 contacts the rotating table 1 and the upper electrode 301 contacts the nut plate 8, the seat inner mounting plate 7 and the nut plate 8 can be welded together after power is turned on to realize the assembly of the seat inner mounting plate 7 and the nut plate 8 to form the car seat inner mounting frame assembly.

[0045] like Figure 1 and Figure 4 As shown, in this embodiment, two upper electrodes 301 are provided. The first driving mechanism 303 mainly includes a first cylinder provided on a frame 305, the first cylinder is connected to the upper electrode 301, and the upper electrode 301 can be controlled to be lifted and lowered by the extension and contraction of the first cylinder. The second driving mechanism 304 mainly includes a second cylinder provided on the frame 305, the second cylinder is connected to the lower electrode 302, and the lower electrode 302 can be controlled to be lifted and lowered by the extension and contraction of the second cylinder.

[0046] In the above step S1, at the first loading station, the first loading robot 4 grabs a seat inner mounting plate 7 and places the seat inner mounting plate 7 on the fixture 2 located at the first loading station, and then the fixture 2 positions the seat inner mounting plate 7 and clamps the seat inner mounting plate 7.

[0047] In the above step S2, the rotating table 1 rotates 90 degrees, and the fixture 2 loaded with the seat inner mounting plate 7 is rotated to the second loading station, and an empty fixture 2 is rotated to the first loading station.

[0048] In the above step S3, at the second loading station, the second loading robot 5 grabs a nut plate 8 and places the nut plate 8 in the inner cavity of the seat inner mounting plate 7 located at the second loading station. The seat inner mounting plate 7 is a box-type structure, and the nut plate 8 is a rectangular plate structure. The first positioning pin 208 is inserted into the positioning hole at the center of the nut plate 8 to position the nut plate 8.

[0049] In the above step S4, the rotating table 1 is rotated 90 degrees again, and the fixture 2 loaded with the seat inner mounting plate 7 and the nut plate 8 is rotated to the welding station, and at the same time, the next fixture 2 loaded with the seat inner mounting plate 7 is rotated to the second loading station.

[0050] In the above step S5, at the welding station, the welding device 3 welds the seat inner mounting plate 7 and the nut plate 8 together to form an automobile seat inner mounting frame assembly.

[0051] In the above step S6, the rotating table 1 is then rotated 90 degrees again, and the fixture 2 loaded with the car seat inner mounting frame assembly is rotated to the unloading station, and the next fixture 2 loaded with the seat inner mounting plate 7 and the nut plate 8 is rotated to the welding station.

[0052] At the unloading station, after the clamp 2 releases the car seat inner mounting frame assembly, the operator at the unloading station takes out the car seat inner mounting frame assembly and places the car seat inner mounting frame assembly on the inclined unloading plate 6. The unloading plate 6 guides the car seat inner mounting frame assembly to the material frame below to achieve collection.

[0053] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A method for preparing an inner mounting frame assembly of an automobile seat, characterized in that: Includes steps: S1, the first loading manipulator places the seat inner mounting plate on the fixture located at the first loading station; S2, the rotating table drives the fixture to rotate 90 degrees, and rotates the fixture loaded with the seat inner mounting plate to the second loading station; S3, the second loading robot places the nut plate on the seat inner mounting plate located at the second loading station; S4. The rotating table is rotated 90 degrees again, and the fixture loaded with the seat inner mounting plate and the nut plate is rotated to the welding station; S5. At the welding station, the welding device welds the seat inner mounting plate and the nut plate to form an automobile seat inner mounting frame assembly; S6. The rotating table is rotated 90 degrees again to rotate the fixture loaded with the automobile seat inner mounting frame assembly to the unloading station.

2. The method for preparing the inner mounting frame assembly of a vehicle seat according to claim 1, characterized in that: The clamp comprises a bottom plate arranged on the rotating platform, a positioning mechanism arranged on the bottom plate and used for positioning the inner mounting plate of the seat, and a clamping mechanism arranged on the bottom plate and used for clamping the inner mounting plate of the seat.

3. The method for preparing the inner mounting frame assembly of a vehicle seat according to claim 2, characterized in that: The clamping mechanism comprises 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 inner mounting plate of the seat.

4. The method for preparing the inner mounting frame assembly of a vehicle seat according to claim 3, characterized in that: The clamping mechanism also includes a clamping plate arranged on the clamping arm and used for applying pressure to the inner mounting plate of the seat. A plurality of clamping plates are arranged, and the upper clamping block is arranged between two adjacent clamping plates.

5. The method for preparing the inner mounting frame assembly of a vehicle seat according to any one of claims 2 to 4, characterized in that: The positioning mechanism includes a first pad block and a second pad block arranged on the base plate, a first positioning pin arranged on the first pad block, and a second positioning pin arranged on the second pad block. The first positioning pin is arranged to simultaneously position the inner mounting plate and the nut plate of the seat, and the second positioning pin is arranged to position the inner mounting plate of the seat.

6. The method for preparing the inner mounting frame assembly of a vehicle seat according to claim 5, characterized in that: One first positioning pin is provided, and a plurality of second positioning pins are provided.

7. The method for preparing the inner mounting frame assembly of a vehicle seat according to any one of claims 1 to 6, characterized in that: There are four clamps in total, and all the clamps are evenly distributed along the circumferential direction.

8. The method for preparing the inner mounting frame assembly of a vehicle seat according to any one of claims 1 to 7, characterized in that: The welding device comprises 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 method for preparing the inner mounting frame assembly of a vehicle seat according to claim 8, characterized in that: Two upper electrodes are provided.

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