Automatic off-line tool for automobile seat
By designing automatic off-line tooling and utilizing a variety of fixing mechanisms and PU material blocks, the problems of low robot automation and seat damage were solved, and the automated transfer of rear seats and a safe and efficient off-line process were achieved.
Patent Information
- Application Number
- CN202422788918.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-15
AI Technical Summary
The existing robots at the car rear seat off-line workstations have a low degree of automation and require manual operation. In addition, the clamping method may damage the seat surface or not clamp tightly enough, causing the seat to slip.
An automatic off-line tooling has been designed, which includes an off-line robot and a shipping line tooling. It uses a photo detection mechanism, multiple fixing mechanisms and PU material blocks to achieve automatic positioning, clamping and adaptation of seats of different models to avoid scratches.
It realizes the automatic transfer and automatic offline of the rear seats, improves production safety and efficiency, adapts to different types of seats, eliminates the need for manual operation, and reduces the risk of seat damage.
Smart Images

Figure CN223356809U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of automatic unloading of automobile seats, and in particular relates to an automatic unloading tool for automobile seats. Background Art
[0002] At present, some of the rear seat off-line workstations in automobiles have been replaced by robots. However, the existing robots are not automated enough and still need to cooperate with manual operation to complete the off-line of the seats, which affects production safety and efficiency. In addition, the existing clamping method either damages the seat surface when clamping the seat, or does not clamp the seat tightly enough, causing the seat to slip. Utility Model Content
[0003] In order to solve the above problems existing in the prior art, the utility model provides an automatic off-line tooling for automobile seats, which can automatically transfer the rear finished seats to the shipping line, and the shipping line automatically flows to the docking point to realize automatic off-line and automatic shipping functions.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic off-line tooling for automobile seats, including an off-line robot and a shipping line tooling, the shipping line tooling including a shipping line and a shipping line conveyor plate, tooling plate stacking fixing pins are provided on the four corners of the shipping line conveyor plate, a number of seat front fixing blocks are provided on one side of the shipping line conveyor plate, and a number of seat rear fixing blocks are provided on the other side.
[0005] Furthermore, a rear-row whole-chair fixture is set at the top of the offline robot, and the rear-row whole-chair fixture includes a photo detection mechanism, a fixture mounting part, a backrest fixing mechanism, a backrest front fixing mechanism, a seat cushion lower fixing mechanism and a seat cushion upper fixing mechanism. The top of the offline robot is connected to the middle of the top of the fixture mounting part, the photo detection mechanism is fixed to the lower back of the fixture mounting part, the backrest fixing mechanism is fixed to the front of the upper part of the fixture mounting part, the backrest front fixing mechanism is fixed to the front of the lower middle part of the fixture mounting part, the seat cushion lower fixing mechanism is fixed to the rear of the bottom of the fixture mounting part, and the seat cushion upper fixing mechanism is fixed to the middle of the middle part of the fixture mounting part.
[0006] Furthermore, the backrest fixing mechanism includes two cylinders, four flanges, shafts, gears, bevel gears, a rear backrest fixing part and a micro cylinder. One end of the two cylinders is fixed on both sides of the clamp mounting part, and the other end of the two cylinders is fixed to one end of the flange. The two flanges are fixed on both sides of the other end of the cylinder. The clamp mounting part is provided with obliquely upward protruding arms on both sides, and the shaft passes through the two protruding arms. The other end of the flange is sleeved on the shaft, and the gear is fixedly sleeved on the middle part of the shaft. The two ends of the shaft are fixed at the two ends of the rear backrest fixing part. The middle part of the rear backrest fixing part is passed through and fixed by the shaft. The rear backrest fixing part is claw-shaped and adapted to the length of the seat. The front side of the clamp mounting part is fixed with an upward micro cylinder, and one end of the bevel gear is fixed to the top of the micro cylinder, and the other end of the bevel gear is overlapped on the gear surface.
[0007] Furthermore, the seat cushion fixing mechanism includes two seat cushion retraction cylinders, two connecting blocks, four buffer adjusters, four rotating blocks and two seat cushion pressing blocks. The two seat cushion retraction cylinders are fixed on both sides of the middle part of the clamp mounting member, the bottom surface of the seat cushion retraction cylinder is fixed with the connecting block, the two sides of the connecting block are rotatably connected to the rotating block, the two buffer adjusters are fixed in a connecting block front and back, and the top of the seat cushion pressing block is vertically connected to the bottom surface of the rotating block.
[0008] Furthermore, a thread is provided on the upper portion of the buffer adjuster, a spring is provided in the bottom portion, and the bottom surface is in contact with the seat cushion pressure block.
[0009] Furthermore, the front fixing mechanism of the backrest includes two backrest retraction cylinders, six backrest pressure blocks, four bearing seats, two concentric shafts, two tripods and two tension springs. The two backrest retraction cylinders are horizontally fixed on both sides of the front middle part of the clamp mounting part, and a backrest pressure block is fixed at the front end of the backrest retraction cylinder. Two bearing seats are fixed on the left and right sides of the lower part of the clamp mounting part. Both ends of the concentric shaft are movably connected to the bearing seats. One end of the tripod is located in the middle of the concentric shaft and rotates around the concentric shaft. The other two ends of the tripod are in the same vertical plane and fixed with two backrest pressure blocks. One end of the tension spring is fixed on the front middle part of the clamp mounting part, and the other end is fixed on the tripod.
[0010] Furthermore, a hook is fixed to the rear portion of the bottom surface of the clamp mounting piece, and a plurality of circular grooves adapted to the circular tube at the bottom of the seat are provided at the front bend of the hook.
[0011] Furthermore, the surfaces of the backrest pressing block and the seat cushion pressing block that contact the seat surface are rounded and made of PU material, and the circular groove is also made of PU material.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention can automatically move the finished rear seats to the shipping line, and the shipping line automatically flows to the docking station, playing the role of automatic offline and automatic shipping. Under normal operation, no manual operation is required, and the degree of automation is high, which improves industrial safety and work efficiency. The present invention positions the four sides of the seat, and the upper and lower front and back positioning forces of the seat are balanced, and it is firmly fixed. It can also adapt to different models of rear seats without replacing the rear chair fixture. The surfaces of the backrest pressure block and the seat cushion pressure block in the present invention that contact the seat surface are rounded and made of PU material, and the round groove material is also PU material, which will not scratch the seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the rear seat fixture structure of the utility model Figure 1 ;
[0015] Figure 3For this utility model Figure 2 Enlarged view of point A in the middle;
[0016] Figure 4 This is a schematic diagram of the rear seat fixture structure of the utility model Figure 2 ;
[0017] Figure 5 This is a schematic diagram of the fixing mechanism structure behind the backrest of the utility model;
[0018] Figure 6 This is a schematic diagram of the structure of the fixing mechanism on the seat cushion of the utility model;
[0019] Figure 7 For this utility model Figure 6 Enlarged view of point B in the middle;
[0020] Figure 8 This is a schematic diagram of the front fixing mechanism of the backrest of the utility model;
[0021] Figure 9 This is a schematic diagram of the structure of the delivery line conveyor plate of the utility model. DETAILED DESCRIPTION
[0022] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1 、 9 The utility model provides an automatic off-line tooling for automobile seats, including an off-line robot 1 and a shipping line tooling 2. The shipping line tooling 2 includes a shipping line 21 and a shipping line conveyor plate 22. Tooling plate stacking fixing pins 221 are provided on the four corners of the shipping line conveyor plate 22. Several seat front fixing blocks 222 are provided on one side of the shipping line conveyor plate 22, and several seat rear fixing blocks 223 are provided on the other side.
[0024] In this embodiment, when the rear seats arrive at the off-line station along the assembly line, the off-line robot 1 automatically clamps the rear seats and moves them to the shipping line conveyor plate 22 on the shipping line 21, and then flows to the docking station along the shipping line 21, realizing the automatic off-line and automatic shipping functions. Under normal working conditions, no manual operation is required, the degree of automation is high, industrial safety is improved, and work efficiency is improved; when the shipping line conveyor plate 22 is not needed, the shipping line conveyor plates 22 are stacked one by one by the tooling plate stacking fixing pins 221, so as not to damage the seat front fixing block 222 and seat rear fixing block 223 thereon, and stacking space can also be saved; when the shipping line conveyor plate 22 is in use, the bottom of the front and rear ends of the rear seats are placed on the seat front fixing block 222 and the seat rear fixing block 223, so as to facilitate circulation on the shipping line 21;
[0025] There are generally four seat front fixing blocks 222 and four seat rear fixing blocks 223, with two seat front fixing blocks 222 placing 40% of the rear seat portion, and the other two seat front fixing blocks 222 placing 60% of the rear seat portion; the same is true for the seat rear fixing blocks 223.
[0026] For details, please refer to Figure 2-4 A rear-row chair fixture is set at the top of the arm of the offline robot 1. The rear-row chair fixture includes a photo detection mechanism 3, a fixture mounting part 4, a backrest fixing mechanism 5, a backrest front fixing mechanism 6, a seat cushion lower fixing mechanism 7 and a seat cushion upper fixing mechanism 8. The top of the offline robot 1 is connected to the middle of the top of the fixture mounting part 4. The photo detection mechanism 3 is fixed to the lower back of the fixture mounting part 4, the backrest fixing mechanism 5 is fixed to the front of the top of the fixture mounting part 4, the backrest front fixing mechanism 6 is fixed to the front of the lower middle part of the fixture mounting part 4, and the seat cushion lower fixing mechanism 7 is fixed to the fixture mounting part 4. At the rear part below, the seat cushion fixing mechanism 8 is fixed in the middle of the clamp mounting part 4, wherein the photo detection mechanism 3 will automatically take photos for detection to detect whether the seat is in the specified position and whether it is in the specified state; the backrest fixing mechanism 5 will be pressed against the back of the backrest, the front backrest fixing mechanism 6 will be pressed against the left and right sides of the backrest, the seat cushion fixing mechanism 7 will be in contact with the round tube under the seat, and the seat cushion fixing mechanism 8 will be pressed against the left and right sides of the seat cushion. In this way, the seat is positioned on all four sides, and the seat is positioned up and down, front and back with balanced force, firmly fixed, and can also adapt to different models of seats.
[0027] For details, please refer to Figure 4-5, the backrest fixing mechanism 5 includes two cylinders 51, four flanges 52, a shaft 53, a gear 54, a bevel gear 55, a backrest fixing part 56 and a micro cylinder 57. One end of the two cylinders 51 is fixed to both sides of the clamp mounting part 4, and the other end of the two cylinders 51 is fixed to one end of the flange 52. The two cylinders 51 are obliquely upward in the direction of the rear seat, and the two flanges 52 are fixed on both sides of the other end of the cylinder 51. The two cylinders 51 are equipped with four flanges 52. The clamp mounting part 4 is provided with obliquely upward protruding arms 41 on both sides, and the two protruding arms 41 are penetrated by the shaft 53. The other end of the flange 52 is sleeved on the shaft 53, and the gear 54 is fixedly sleeved on the middle part of the shaft 53. The gear 54 will not rotate around the shaft 53. The two ends of the shaft 53 are fixed in the two ends of the rear backrest fixing part 56. The middle part of the rear backrest fixing part 56 is passed through and fixed by the shaft 53. The rear backrest fixing part 56 is claw-shaped and adapted to the length of the seat. The rear backrest fixing part 56 can be adapted to different types of rear seats. The front side of the clamp mounting part 4 is fixed with a micro cylinder 57 facing upward, and the top of the micro cylinder 57 is fixed with one end of the bevel gear 55, and the other end of the bevel gear 55 is overlapped on the surface of the gear 54.
[0028] In this embodiment, when the backrest fixing mechanism 5 is pressed against the backrest, it is pushed out simultaneously by the cylinders 51 on the left and right sides. The cylinders 51 drive the flanges 52 on both sides to rotate upward synchronously, and at this time drive the shaft 53 and the rear backrest fixing part 56 fixed to the shaft 53 to rotate counterclockwise. At the same time, the shaft 53 also drives the gear 54 to rotate counterclockwise. When the cylinder 51 reaches the stroke, the rear backrest fixing part 56 also presses against the backrest. At the same time, the bevel gear 55 and the gear 54 are bitten and locked; when the micro cylinder 57 extends upward, it drives the bevel gear 55 to move up and away from the gear 54, which is unlocked. As the cylinder 51 contracts, the rear backrest fixing part 56 can be retracted.
[0029] For details, please refer to Figure 4 、 6 -7, the seat cushion fixing mechanism 8 includes two seat cushion retraction cylinders 81, two connecting blocks 82, four buffer regulators 83, four rotating blocks 84 and two seat cushion pressing blocks 85. The two seat cushion retraction cylinders 81 are fixed on both sides of the middle part of the clamp mounting part 4, the bottom surface of the seat cushion retraction cylinder 81 is fixed with the connecting block 82, and the two sides of the connecting block 82 are rotatably connected to the rotating blocks 84. The two buffer regulators 83 are fixed in the front and back of one connecting block 82, and the left and right connecting blocks 82 are equipped with four buffer regulators 83. The top of the seat cushion pressing block 85 is vertically connected to the bottom surface of the rotating block 84. When the rotating block 84 rotates, it drives the seat cushion pressing block 85 to rotate.
[0030] Specifically, the buffer adjuster 83 is provided with a thread on the upper part, a spring is provided in the bottom, and the bottom surface is in contact with the seat cushion pressure block 85. Since the seat surface is not horizontal, when the seat cushion pressure block 85 touches the seat surface, it will rotate and adjust according to the angle of the seat surface. When the seat cushion pressure block 85 rotates, the thread on the buffer adjuster 83 is slightly compressed, and the seat cushion pressure block 85 drives the rotating block 84 to rotate together. In addition, a spring is provided in the bottom of the buffer adjuster 83 to act as a buffer during the downward pressure of the seat cushion pressure block 85.
[0031] In this embodiment, when the seat cushion fixing mechanism 8 is pressed against the left and right sides of the seat cushion, the left and right seat cushion contraction cylinders 81 are pushed out simultaneously to press the left and right seat cushion pressing blocks 85 toward the seat cushion surface. Since the seat cushion surface is inclined, the two seat cushion pressing blocks 85 are inclined to adapt to the seat cushion surface. At this time, the two buffer adjusters 83 on the seat cushion pressing block 85 control the rotation angle of the seat cushion pressing block 85, and in the process of pressing down, the spring at the bottom of the buffer adjuster 83 acts as a buffer. Finally, the left and right seat cushion pressing blocks 85 press the seat cushion surface.
[0032] For details, please refer to Figure 4 、 8 The backrest front fixing mechanism 6 includes two backrest retraction cylinders 61, six backrest pressure blocks 62, four bearing seats 63, two concentric shafts 64, two tripods 65 and two tension springs 66. The two backrest retraction cylinders 61 are respectively fixed horizontally on both sides of the front of the middle part of the clamp mounting part 4. A backrest pressure block 62 is fixed at the front end of the backrest retraction cylinder 61. Two bearing seats 63 are fixed on the left and right sides of the lower part of the clamp mounting part 4. The two ends of a concentric shaft 64 are movably connected to the two bearing seats 63 on one side. The tripod 65 is fixed to the front end of the backrest retraction cylinder 61. The end is located in the middle of the concentric axis 64 and rotates around the concentric axis 64. The other two ends of the tripod 65 are in the same vertical plane and fixed with two backrest pressure blocks 62. The rotation of the tripod 65 can drive the two backrest pressure blocks 62 thereon to rotate synchronously. One end of the tension spring 66 is fixed to the front of the middle part of the clamp mounting part 4 and the other end is fixed to the tripod 65. A tension spring 66 is fixed between the tripod 65 and the clamp mounting part 4 on both sides. The tension spring 66 can pull the tripod 65 and the backrest pressure block 62 thereon to prevent sagging.
[0033] In this embodiment, when the front fixing mechanism 6 of the backrest is pressed against the left and right sides of the backrest, the two backrest pressure blocks 62 are pushed out by the two backrest retraction cylinders 61 on the left and right sides, and the two backrest pressure blocks 62 are close to the upper front position of the backrest. At this time, the backrest pressure block 62 below the tripod 65 first presses against the front of the backrest, and then the tripod 65 rotates around the concentric axis 64, driving the backrest pressure block 62 above the tripod 65 to press against the front of the backrest, so that the two backrest pressure blocks 62 are close to the middle and lower part of the backrest.
[0034] For details, please refer to Figure 4A hook 71 is fixed to the rear part of the bottom surface of the clamp mounting part 4, and a number of circular grooves 72 are provided at the front bend of the hook 71 to match the circular tube at the bottom of the seat. The under-seat fixing mechanism 7 is positioned by placing the circular tube under the seat in the circular groove 72 on the hook 71, and then cooperates with the upper fixing mechanism 8 on the seat cushion to press on the left and right sides of the seat cushion to achieve the upper and lower side fixation of the seat.
[0035] Specifically, the surfaces of the backrest pressure block 62 and the seat cushion pressure block 85 that contact the seat surface are rounded and made of PU material, and the circular groove 72 is also made of PU material to prevent the backrest pressure block 62 and the seat cushion pressure block 85 from scratching the seat and to prevent the circular groove 72 from scratching the circular tube under the seat.
[0036] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. An automatic off-line tooling for automobile seats, comprising an off-line robot (1) and a shipping line tooling (2), characterized in that: The shipping line tooling (2) comprises a shipping line (21) and a shipping line conveyor plate (22), wherein tooling plate stacking fixing pins (221) are provided on four corners of the shipping line conveyor plate (22), and a plurality of seat front fixing blocks (222) are provided on one side of the shipping line conveyor plate (22), and a plurality of seat rear fixing blocks (223) are provided on the other side.
2. The automatic off-line tooling for automobile seats according to claim 1, characterized in that: A rear-row chair fixture is provided at the top of the offline robot (1), and the rear-row chair fixture includes a photo detection mechanism (3), a fixture mounting part (4), a backrest fixing mechanism (5), a backrest front fixing mechanism (6), a seat cushion lower fixing mechanism (7), and a seat cushion upper fixing mechanism (8). The top of the offline robot (1) is connected to the middle of the upper part of the fixture mounting part (4). The photo detection mechanism (3) is fixed to the lower rear part of the fixture mounting part (4), the backrest fixing mechanism (5) is fixed to the front of the upper part of the fixture mounting part (4), the backrest front fixing mechanism (6) is fixed to the front of the lower middle part of the fixture mounting part (4), the seat cushion lower fixing mechanism (7) is fixed to the rear part of the lower part of the fixture mounting part (4), and the seat cushion upper fixing mechanism (8) is fixed to the middle of the middle part of the fixture mounting part (4).
3. The automatic off-line tooling for automobile seats according to claim 2, characterized in that: The backrest fixing mechanism (5) includes two cylinders (51), four flanges (52), a shaft (53), a gear (54), a bevel gear (55), a backrest fixing member (56) and a micro cylinder (57). One end of the two cylinders (51) is fixed to both sides of the upper part of the clamp mounting member (4). The other end of the two cylinders (51) is fixed to one end of the flange (52). The two flanges (52) are fixed to both sides of the other end of the cylinder (51). The upper part of the clamp mounting member (4) is provided with obliquely upward protruding arms (41). The two protruding arms (41) are penetrated by the shaft (53). The other end of the flange (52) is sleeved on the shaft (53), the gear (54) is fixedly sleeved on the middle part of the shaft (53), the two ends of the shaft (53) are fixed in the two ends of the rear backrest fixing member (56), the middle part of the rear backrest fixing member (56) is passed through and fixed by the shaft (53), the rear backrest fixing member (56) is claw-shaped and adapted to the length of the seat, the front side of the clamp mounting member (4) is fixed with an upward micro cylinder (57), the top end of the micro cylinder (57) is fixed with one end of the bevel gear (55), and the other end of the bevel gear (55) is overlapped on the surface of the gear (54).
4. The automatic off-line tooling for automobile seats according to claim 3, characterized in that: The seat cushion fixing mechanism (8) includes two seat cushion retraction cylinders (81), two connecting blocks (82), four buffer regulators (83), four rotating blocks (84) and two seat cushion pressing blocks (85). The two seat cushion retraction cylinders (81) are fixed on both sides of the middle part of the clamp mounting member (4). The bottom surface of the seat cushion retraction cylinder (81) is fixed to the connecting block (82). The two sides of the connecting block (82) are rotatably connected to the rotating block (84). The two buffer regulators (83) are fixed in a connecting block (82) at the front and rear. The top surface of the seat cushion pressing block (85) is vertically connected to the bottom surface of the rotating block (84).
5. The automatic off-line tooling for automobile seats according to claim 4, characterized in that: The buffer adjuster (83) is provided with a thread on the upper portion, a spring is provided in the bottom portion, and the bottom surface is in contact with the seat cushion pressing block (85).
6. The automatic off-line tooling for automobile seats according to claim 5, characterized in that: The backrest front fixing mechanism (6) includes two backrest retraction cylinders (61), six backrest pressure blocks (62), four bearing seats (63), two concentric shafts (64), two tripods (65) and two tension springs (66), the two backrest retraction cylinders (61) are respectively fixed horizontally on both sides of the front middle part of the clamp mounting member (4), a backrest pressure block (62) is fixed at the front end of the backrest retraction cylinder (61), two bearing seats (63) are fixed on the left and right sides of the lower front part of the clamp mounting member (4), the two ends of the concentric shaft (64) are respectively movably connected to the bearing seats (63), one end of the tripod (65) is located in the middle of the concentric shaft (64) and rotates around the concentric shaft (64), the other two ends of the tripod (65) are in the same vertical plane and fix the two backrest pressure blocks (62), one end of the tension spring (66) is fixed to the front middle part of the clamp mounting member (4), and the other end is fixed to the tripod (65).
7. The automatic off-line tooling for automobile seats according to claim 6, characterized in that: A hook (71) is fixed to the rear portion of the bottom surface of the clamp mounting member (4), and a plurality of circular grooves (72) adapted to the circular tube at the bottom of the seat are provided at the front bend of the hook (71).
8. The automatic off-line tooling for automobile seats according to claim 7, characterized in that: The surfaces of the backrest pressing block (62) and the seat cushion pressing block (85) in contact with the seat surface are rounded and made of PU material, and the circular groove (72) is also made of PU material.