Automatic ironing tool for surface of automobile seat and machining method of automatic ironing tool

Abstract

The invention belongs to the field of automobile seat surface ironing, and particularly relates to an automatic ironing tool for the surface of an automobile seat and a machining method thereof.The tool comprises an off-line tool fixing clamp and an automatic ironing robot which are located on the two sides of an assembly line correspondingly; a fixing mechanism is arranged on the upper portion of the off-line tool fixing clamp, and an ironing mechanism and an industrial camera are arranged on the top of the automatic ironing robot. According to the tool, a robot is adopted for automatic ironing and detection, the number of operators is reduced, the operation safety is improved, and the specific machining method comprises the steps that after a seat reaches a station, an off-line tool fixing clamp fixes a positioning tool, then an iron starts to iron the seat, a flying image is deeply analyzed through a visual algorithm, a wrinkled part is found, and the position of the seat is detected. And then ironing the wrinkled parts one by one by the iron.

Description

Technical Field

[0001] The invention belongs to the field of ironing the surface of automobile seats, and in particular relates to an automatic ironing tool for the surface of automobile seats and a processing method thereof. Background Art

[0002] At present, in the process of manufacturing car seats, the seat cover needs to be covered on the foam part and sewn to form the seat body. However, due to sewing problems or the extrusion of the foam part, the seat cover and the foam part are not tightly fitted, resulting in wrinkles on the cover. Such car seats cannot meet factory requirements.

[0003] In the prior art, the wrinkled areas on the seat surface need to be ironed manually to make the foam part and the seat cover fit tightly. However, during the manual ironing process, the seat is heavy and requires the cooperation of multiple people. It also requires water and electricity supply. The iron temperature is high and the movable space is small, which is easy to cause burns. In addition, after ironing, the seat is manually inspected to see if it is qualified, which is highly subjective and may lead to misjudgment and the outflow of defective products. Summary of the invention

[0004] In order to solve the above problems existing in the prior art, the present invention provides an automatic ironing tool for the surface of a car seat and a processing method thereof, which adopts a robot for automatic ironing and detection, reduces the number of operators and improves operational safety.

[0005] To achieve the above-mentioned objectives, on the one hand, the present invention provides an automatic ironing tool for the surface of a car seat, an automatic ironing tool for the surface of a car seat, comprising an off-line tool fixing fixture and an automatic ironing robot, the off-line tool fixing fixture and the automatic ironing robot are respectively located on both sides of the assembly line, a fixing mechanism is arranged on the upper part of the off-line tool fixing fixture, and an ironing mechanism and an industrial camera are arranged on the top of the automatic ironing robot.

[0006] Furthermore, the fixing mechanism includes a base plate, a gear-slotting mounting plate, four gears, a contraction cylinder, two guide rails and two sliders. Two gears are fixed on both sides of the bottom surface of the base plate, two guide rails are fixed on both sides of the top of the base plate, sliders are slidably connected on the guide rails, the sliders are fixed on the bottom surface of the gear-slotting mounting plate, two gears are fixed on both sides of the top of the gear-slotting mounting plate, the bottom surface of the contraction cylinder is fixed in the middle of the rear of the base plate, and the end of the upper movable part of the contraction cylinder is connected to the gear-slotting mounting plate.

[0007] Furthermore, strip holes are provided at the front and rear parts of both sides of the upper surface of the spline mounting plate, and screws are passed through the strip holes to fix the spline.

[0008] Furthermore, a mounting plate 1 is fixed on the side of the industrial camera, and the mounting plate 1 is connected to the top of the automatic ironing robot. The ironing mechanism includes a mounting plate 2 and an iron. The mounting plate 2 is fixed on both sides of the mounting plate 1 and the mounting plate 2 is located below the top of the automatic ironing robot. The iron is fixed on the bottom surface of the mounting plate 2.

[0009] Furthermore, two connecting rods are connected to the left and right sides of one side in the middle of the second mounting plate, and springs are sleeved on the connecting rods. A rotating block is provided on the lower part of the second mounting plate close to the connecting rod, and the rotating block is connected to the lower part of the second mounting plate through an axis. A rotating rod is provided on the lower part of the side of the second mounting plate away from the rotating block, and a spring is sleeved on the rotating rod. Rollers are connected on both sides of the bottom of the rotating rod. A connecting plate is provided at the bottom of the second mounting plate, and the bottom surface of the connecting plate is fixed to the iron, and one side of the top of the connecting plate is fixed to the bottom surface of the rotating block, and the roller on the other side contacts with the top of the connecting plate.

[0010] Furthermore, a solenoid valve is fixed on the side of the industrial camera, the solenoid valve is located below the mounting plate, and the solenoid valve is connected to the iron.

[0011] Furthermore, a light source is arranged on the bottom surface of the industrial camera.

[0012] In another aspect, the present invention provides a method for automatically ironing the surface of a car seat, which is implemented by using any of the above-mentioned automatic ironing tools for the surface of a car seat. The processing method comprises the following steps: S1: When the equipment senses that the seat positioning tooling has arrived at the workstation along the assembly line with the seat, it sends an arrival signal to the host computer, and the off-line tooling fixture automatically extends the slotted teeth to support the seat positioning tooling; S2: The host computer sends a signal to the automatic ironing robot, and the automatic ironing robot retrieves the corresponding seat program according to the seat model; S3: The automatic ironing robot automatically irons the seat; S4: The automatic ironing robot controls the industrial camera to take pictures of the seats and find wrinkles; S5: The automatic ironing robot controls the ironing mechanism to iron all the wrinkle positions one by one; S6: The automatic ironing robot controls the industrial camera to take photos of the ironed seats again and feeds the information back to MES. S7: If the automatic ironing robot determines that it is "OK", MES will store the information and then flow to the next workstation; if the automatic ironing robot determines that it is "NG", MES will store the information and record it, flow to the next workstation and mark the unqualified items, and then automatically flow the seat into the rework area at the rework location.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adopts an automatic ironing robot to automatically visually search for wrinkles and automatically iron the corresponding positions, thereby reducing the number of operators and replacing labor costs with fixed costs. At the same time, the robot search and ironing can archive the result pictures of the ironed products, facilitating subsequent product quality traceability, improving quality consistency, and avoiding the outflow of defective products caused by subjective misjudgment of inspectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of ironing seats on the assembly line of the present invention; Figure 2 This is a schematic diagram of the structure of the off-line tooling fixing fixture of the present invention; Figure 3 This is a schematic diagram of the structure of the automatic ironing robot of the present invention; Figure 4 It is a schematic diagram of the structure of the ironing mechanism of the present invention; Figure 5 This is a schematic diagram of the internal structure of the industrial camera of the present invention; Figure 6 This is a schematic diagram of the bottom structure of the industrial camera of the present invention; Figure 7 It is the work flow chart of the present invention. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] See also Figure 1 , 3 On the one hand, the present invention provides an automatic ironing tool for the surface of a car seat, comprising an off-line tool fixing fixture 1 and an automatic ironing robot 2, the off-line tool fixing fixture 1 and the automatic ironing robot 2 are respectively located on both sides of the assembly line, the off-line tool fixing fixture 1 is located on the back side of the seat, and the automatic ironing robot 2 is located on the front side of the seat, and a fixing mechanism is arranged on the upper part of the off-line tool fixing fixture 1. When the seat reaches the automatic ironing station after the seat positioning tool follows the assembly line, the fixing mechanism fixes the seat positioning tool so that the seat and the seat positioning tool will not shake left and right. An ironing mechanism 21 and an industrial camera 22 are arranged on the top of the automatic ironing robot 2. After the ironing mechanism 21 irons the entire seat, the industrial camera 22 takes a picture, and then the automatic ironing robot 2 analyzes and checks the wrinkled parts, and the ironing mechanism 21 irons the wrinkled parts again.

[0017] For details, please refer to Figure 2 The fixing mechanism includes a base plate 11, a spline mounting plate 12, four splines 13, a retracting cylinder 14, two guide rails 15 and two sliders 16. Two splines 13 are fixed on both sides of the bottom surface of the base plate 11, and two guide rails 15 are fixed on both sides of the top of the base plate 11. The sliders 16 are slidably connected on the guide rails 15. The sliders 16 are fixed to the bottom surface of the spline mounting plate 12. The sliders 16 can slide on the guide rails 15, so that the spline mounting plate 12 slides on the guide rails 15 along with the sliders 16. Two splines 13 are fixed on both sides of the spline mounting plate 12. The bottom surface of the retracting cylinder 14 is fixed in the middle of the rear of the base plate 11. The end of the upper movable part of the retracting cylinder 14 is connected to the spline mounting plate 12. The spline mounting plate 12 is pushed and pulled by the retracting cylinder 14, so that the two splines 13 on the spline mounting plate 12 are retracted. When the splines 13 are extended, the splines 13 press the seat positioning tooling, so that the seat positioning tooling and the seat will not shake left and right.

[0018] Specifically, strip holes 121 are provided at the front and rear parts of both sides of the slotted gear mounting plate 12, and screws pass through the strip holes 121 to fix the slotted gear 13. The slotted gear 13 can be adjusted left and right on the slotted gear mounting plate 12 according to different tooling.

[0019] For details, please refer to Figure 4-5 A mounting plate 221 is fixed on the side of the industrial camera 22, and the mounting plate 221 is connected to the top of the automatic ironing robot 2. The automatic ironing robot 2 controls the industrial camera 22 to fly and acquire images, and then uses a visual algorithm to perform a depth analysis on the image to find out the wrinkled parts. The ironing mechanism 21 includes a mounting plate 211 and an iron 212. The mounting plate 211 can drive the iron 212 to rotate flexibly under the control of the automatic ironing robot 2, so as to facilitate ironing different curved parts. The mounting plates 211 are fixed on both sides of the mounting plate 221 and are located below the top of the automatic ironing robot 2. The iron 212 is fixed on the bottom of the mounting plate 211.

[0020] Specifically, two connecting rods 2112 are connected to one side of the middle of the second mounting plate 211, and a spring 2111 is sleeved on the connecting rod 2112. The arrangement of the connecting rod 2112 and the spring 2111 makes the second mounting plate 211 stretch up and down with specific elasticity, thereby driving the iron 212 to stretch up and down for good ironing. A rotating block 2114 is arranged on the lower part of the second mounting plate 211 near the connecting rod 2112. The rotating block 2114 is connected to the lower part of the second mounting plate 211 through an axis. The rotating block 2114 can rotate around the axis, thereby driving the rotating block 2114 and the iron 212 below it to rotate together. The second mounting plate 211 is far away from the mounting plate 211. A rotating rod 2115 is provided at the lower part of one side away from the rotating block 2114, and a spring 2111 is sleeved on the rotating rod 2115. Rollers 2113 are connected to both sides of the bottom of the rotating rod 2115. The rotating rod 2115 and the rollers 2113 cooperate with the rotating block 2114 to slightly rotate together, so that the iron 212 rotates together, which is convenient for ironing different curved surfaces. A connecting plate 2116 is provided at the bottom of the second mounting plate 211, and the bottom surface of the connecting plate 2116 is fixed to the iron 212, and one side of the upper surface of the connecting plate 2116 is fixed to the bottom surface of the rotating block 2114, and the roller 2113 on the other side contacts with the upper surface of the connecting plate 2116.

[0021] Specifically, a solenoid valve 222 is fixed on the side of the industrial camera 22 , and the solenoid valve 222 is located below the mounting plate 221 . The solenoid valve 222 is connected to the iron 212 , and the solenoid valve 222 supplies air to and exhausts air from the iron 212 .

[0022] For details, please refer to Figure 6 A light source 223 is provided on the bottom surface of the industrial camera 22. When taking pictures, the light source 223 is projected onto the seat cover, so that the industrial camera 22 can clearly capture the image.

[0023] The movement principle of the present invention is: when the seat moves on the seat positioning tooling along the assembly line, the seat flows to the ironing station. At this time, the off-line tooling fixing fixture 1 extends the inserting gear 13 under the action of the contraction cylinder 14 to press the seat positioning tooling, so that the seat positioning tooling and the seat will not shake left and right. The automatic ironing robot 2 starts to control the iron 212 to iron the seat cover. After ironing is completed, the automatic ironing robot 2 controls the industrial camera 22 to take pictures to acquire images, and then performs in-depth analysis through the visual algorithm to find the wrinkled part. After finding it, the information is given to the automatic ironing robot 2, and the automatic ironing robot 2 controls the iron 212 to automatically iron the part.

[0024] In another aspect, the present invention provides a method for automatically ironing the surface of a car seat, which is implemented by using any of the above-mentioned automatic ironing tools for the surface of a car seat. The processing method comprises the following steps: S1: When the equipment senses that the seat positioning tooling has arrived at the workstation along the assembly line with the seat, it sends an arrival signal to the host computer, and the off-line tooling fixing fixture 1 automatically extends the slotting gear 13 to support the seat positioning tooling; S2: The host computer sends a signal to the automatic ironing robot 2, and the automatic ironing robot 2 retrieves the corresponding seat program according to the seat model; S3: The automatic ironing robot 2 automatically irons the seat; S4: The automatic ironing robot 2 controls the industrial camera 22 to take a picture of the seat and find wrinkles; S5: the automatic ironing robot 2 controls the ironing mechanism 21 to iron all wrinkle positions one by one; S6: The automatic ironing robot 2 controls the industrial camera 22 to take photos of the ironed seats again for inspection, and feeds the information back to the MES; S7: If the automatic ironing robot 2 determines that it is "OK", MES stores the information and then flows to the next workstation; if the automatic ironing robot 2 determines that it is "NG", MES stores the information and records it, flows to the next workstation and calibrates the unqualified items, and then automatically flows the seat into the rework area at the rework location.

[0025] Finally, it should be noted that the above are only 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 can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic ironing tool for the surface of a car seat, comprising an off-line tool fixing fixture (1) and an automatic ironing robot (2), characterized in that: The off-line tool fixing fixture (1) and the automatic ironing robot (2) are respectively located on both sides of the assembly line; a fixing mechanism is provided on the top of the off-line tool fixing fixture (1), and an ironing mechanism (21) and an industrial camera (22) are provided on the top of the automatic ironing robot (2).

2. The automatic ironing tool for the surface of a car seat according to claim 1, characterized in that: The fixing mechanism comprises a base plate (11), a tooth-slotting mounting plate (12), four tooth-slotting gears (13), a retracting cylinder (14), two guide rails (15) and two sliders (16); two tooth-slotting gears (13) are fixed on both sides of the bottom surface of the base plate (11); two guide rails (15) are fixed on both sides of the top surface of the base plate (11); sliders (16) are slidably connected on the guide rails (15); the sliders (16) are fixed on the bottom surface of the tooth-slotting mounting plate (12); two tooth-slotting gears (13) are fixed on both sides of the top surface of the tooth-slotting mounting plate (12); the bottom surface of the retracting cylinder (14) is fixed in the middle of the rear of the base plate (11); and the upper movable portion end of the retracting cylinder (14) is connected to the tooth-slotting mounting plate (12).

3. The automatic ironing tool for the surface of a car seat according to claim 2, characterized in that: The front and rear parts of both sides of the insert gear mounting plate (12) are provided with strip holes (121), and screws pass through the strip holes (121) to fix the insert gear (13).

4. The automatic ironing tool for the surface of a car seat according to claim 3, characterized in that: A mounting plate 1 (221) is fixed on the side of the industrial camera (22), and the mounting plate 1 (221) is connected to the top of the automatic ironing robot (2). The ironing mechanism (21) comprises a mounting plate 2 (211) and an iron (212). The mounting plate 2 (211) is fixed on both sides of the mounting plate 1 (221) and the mounting plate 2 (211) is located below the top of the automatic ironing robot (2). The iron (212) is fixed on the bottom surface of the mounting plate 2 (211).

5. The automatic ironing tool for the surface of a car seat according to claim 4, characterized in that: Two connecting rods (2112) are connected to the left and right sides of one side of the middle part of the second mounting plate (211), and a spring (2111) is sleeved on the connecting rod (2112). A rotating block (2114) is provided at the lower part of the second mounting plate (211) close to the connecting rod (2112), and the rotating block (2114) is connected to the lower part of the second mounting plate (211) through an axis. A rotating rod (2111) is provided at the lower part of the second mounting plate (211) away from the rotating block (2114). 5), a spring (2111) is sleeved on the rotating rod (2115), rollers (2113) are connected to both sides of the bottom of the rotating rod (2115), a connecting plate (2116) is provided at the bottom of the second mounting plate (211), the bottom surface of the connecting plate (2116) is fixed to the iron (212), one side of the top of the connecting plate (2116) is fixed to the bottom surface of the rotating block (2114), and the roller (2113) on the other side contacts the top of the connecting plate (2116).

6. The automatic ironing tool for the surface of a car seat according to claim 5, characterized in that: A solenoid valve (222) is fixed on the side of the industrial camera (22), the solenoid valve (222) is located below the first mounting plate (221), and the solenoid valve (222) is connected to the iron (212).

7. The automatic ironing tool for the surface of a car seat according to claim 6, characterized in that: A light source (223) is provided on the bottom surface of the industrial camera (22).

8. A method for automatically ironing the surface of a car seat, characterized in that: The method is implemented by using an automatic ironing tool for the surface of a car seat as claimed in any one of claims 1 to 7, The processing method comprises the following steps: S1: When the device senses that the seat positioning tooling has arrived at the workstation along the assembly line with the seat, a signal of arrival is sent to the host computer, and the off-line tooling fixing fixture (1) automatically extends the inserting gear (13) to support the seat positioning tooling; S2: the upper computer sends a signal to the automatic ironing robot (2), and the automatic ironing robot (2) retrieves a corresponding seat program according to the seat model; S3: the automatic ironing robot (2) automatically irons the seat; S4: the automatic ironing robot (2) controls the industrial camera (22) to take a picture of the seat and find wrinkles; S5: the automatic ironing robot (2) controls the ironing mechanism (21) to iron all wrinkle positions one by one; S6: the automatic ironing robot (2) controls the industrial camera (22) to take photos of the ironed seat again for inspection, and feeds the information back to the MES; S7: If the automatic ironing robot (2) determines that it is "OK", the MES stores the information and then transfers it to the next workstation; if the automatic ironing robot (2) determines that it is "NG", the MES stores the information and records it, transfers it to the next workstation and marks the unqualified items, and then automatically transfers the seat to the rework area at the rework location.

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