An inverted robot for airbag housing polishing

Abstract

The present application relates to the technical field of polishing processing of airbag housing, in particular to a turnover manipulator for polishing airbag housing, the front end of the first rotating roller and the second rotating roller is connected with a driven gear, the front end of the fixed side plate is provided with a half-tooth ring wheel driven by a driving motor, the half-tooth ring wheel is provided with gear teeth meshing with the driven gear on the half-circumferential arc surface, the beneficial effect is that: the flexible polishing abrasive belt and the folding airbag are matched, the expansion of the folding airbag makes the polishing abrasive belt closely adhere to the inner wall of the housing, the elastic band is adapted to different housing cavities, and then the interval meshing between the half-tooth ring wheel and the driven gear drives the polishing abrasive belt to circulate and pull back and forth, and then the polishing abrasive belt is rubbed and polished on the inner wall of the housing in a forward and backward circulation mode, the inner wall of the housing is polished sufficiently, and then the switching of the work station is realized through the turnover assembly, and the polishing processing efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of polishing of airbag housings, in particular to a turnover manipulator for polishing of airbag housings. BACKGROUND

[0002] Airbags are usually installed on vehicles to pop out when a collision occurs to protect the driver and reduce the impact of the collision.

[0003] In the prior art, the airbag is usually installed in a housing, and the housing is fixed inside the vehicle. The airbag is folded and stored inside the housing at ordinary times, and will rapidly expand to achieve the purpose of buffering when a collision occurs.

[0004] However, the existing airbag housings are mostly plastic supports, which are mostly made by injection molding process. Therefore, after molding, burrs or plastic flash are easily generated at the inner wall and corner positions, which can easily cause damage to the airbag. The airbag is mostly folded and pressed together inside the housing, and under the action of internal pressure or the impact of rapid expansion, the airbag is easily pierced and leaked. The airbag housing is concave, and the existing device needs to be manually polished and ground in the inner cavity, which is low in efficiency. SUMMARY

[0005] The present application aims to provide a turnover manipulator for polishing of airbag housings to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] A turnover manipulator for polishing of airbag housings, the turnover manipulator comprising:

[0008] A right-angle mechanical frame, a turnover assembly is arranged at the upper end of the horizontal plate of the right-angle mechanical frame, and polishing assemblies are arranged in parallel and at intervals on the inner side of the vertical plate of the right-angle mechanical frame;

[0009] The turnover assembly comprises a side frame, a connecting frame and an airbag housing, the side frame is vertically fixedly installed at the upper end of the horizontal plate of the right-angle mechanical frame, a turnover hinge seat driven by a turnover motor is rotatably installed on the side frame, one side of the connecting frame is installed on the turnover hinge seat, and the other side of the connecting frame is fixedly clamped to connect the airbag housing;

[0010] The polishing assembly comprises a fixed side plate, a first rotating roller and a second rotating roller, the fixed side plate is parallel to the vertical plate of the right-angle mechanical frame and has a space between the fixed side plate and the vertical plate, the other side of the fixed side plate is opposite to the inner cavity port of the airbag housing, a folded airbag controlled by an air pump is fixed and bonded on the side wall of the fixed side plate, the first rotating roller and the second rotating roller are symmetrically and rotatably installed at the upper and lower ends of the fixed side plate, the first rotating roller and the second rotating roller extend in parallel along the upper and lower sides of the airbag housing, traction belts with opposite winding directions are arranged on the first rotating roller and the second rotating roller, the free ends of the traction belts are connected with elastic bands, a polishing abrasive belt is connected between the elastic bands on the first rotating roller and the second rotating roller, the polishing abrasive belt is located between the folded airbag and the airbag housing, one side of the polishing abrasive belt is attached to the outer side wall of the folded airbag, and the polishing abrasive belt is attached to the inner wall of the inner cavity of the airbag housing under the extrusion of the folded airbag, the front ends of the first rotating roller and the second rotating roller are connected with driven gears, a half-toothed ring gear driven by a driving motor is arranged at the front end of the fixed side plate, and teeth are arranged on the half-circumferential arc surface of the half-toothed ring gear and engaged with the driven gears.

[0011] Preferably, one side of the connecting frame is provided with a rotating seat, and the other side of the connecting frame is provided with a pair of suction cups which are tightly adsorbed on the outer wall of the airbag housing under negative pressure.

[0012] Preferably, the lower end of the side frame is provided with a cleaning assembly which is located directly below the turnover hinge seat, and the cleaning assembly comprises a lower telescopic rod fixed on the upper end face of the horizontal plate of the right-angle mechanical frame, a fan is fixedly installed at the telescopic end of the lower telescopic rod, a hollow porous ball is connected to the output end of the fan, and a plurality of groups of through holes are arranged on the circular arc surface of the hollow porous ball.

[0013] Preferably, the air pump is fixedly installed on the side wall of the fixed side plate, the side of the fixed side plate close to the vertical plate of the right-angle mechanical frame is provided with a horizontally extending guide rail, a folding pipe is arranged in the guide rail, the folding pipe is communicated with the folded airbag, and a sliding block is bonded on the outer wall of the other end of the folding pipe and slidably installed on the guide rail.

[0014] Preferably, the fixed side plate and the vertical plate of the right-angle mechanical frame are fixedly connected through a pair of connecting rods, a guide plate is arranged at the port position of the guide rail, a scale rod is arranged on the sliding block and slidably penetrates through the guide plate and extends to the outside of the guide rail.

[0015] Preferably, a spring is sleeved on the scale rod, one end of the spring abuts against the sliding block, and the other end of the spring abuts against the guide plate.

[0016] Preferably, the fixed side plate is provided with a pair of fixed plates symmetrically distributed on the side wall of one side of the folding air bag, the fixed plates are located outside the folding air bag, and a plurality of groups of transversely sliding plug-in plates are mounted on the fixed plates and are plugged between adjacent folding gaps on the outer wall of the folding air bag.

[0017] Preferably, one end of the traction belt is fixed on the first rotating roller and the second rotating roller, the middle section of the traction belt is wound on the first rotating roller and the second rotating roller, and the free end of the traction belt is fixedly bonded with the elastic band.

[0018] Preferably, the end of the elastic band is provided with a clamping strip, the end of the polishing and grinding abrasive belt is plugged into the middle clamping groove of the clamping strip, and the end of the polishing and grinding abrasive belt is fastened and bound on the clamping strip by the sewing line penetrating the clamping groove. The length and width of the polishing and grinding abrasive belt are both greater than the outer contour size of the air bag shell.

[0019] Preferably, the front and rear sides of the fixed side plate are respectively provided with a front rotating support and a rear rotating support, the driven gear is rotatably installed on the front rotating support, and the first rotating roller and the second rotating roller are rotatably installed on the rear rotating support.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] By setting the flexible polishing and grinding abrasive belt and the folding air bag, the present application uses the expansion of the folding air bag to make the polishing and grinding abrasive belt closely fit the inner wall of the shell, uses the elastic band to adapt to different shell cavities, and then uses the interval meshing between the half-tooth ring gear and the driven gear to drive the polishing and grinding abrasive belt to circulate and pull forward and backward, so that the polishing and grinding abrasive belt is rubbed and polished on the inner wall of the shell in a forward and backward circulation manner, the inner wall of the shell is fully polished, the switching of the workstations is realized through the turnover assembly, and the polishing efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the present application;

[0023] Figure 2 is a front view of the present application;

[0024] Figure 3 is a three-dimensional structural schematic view of the traction belt mounted on the polishing assembly of the present application;

[0025] Figure 4 is a three-dimensional structural schematic view of the folding air bag mounted on the fixed side plate of the present application;

[0026] Figure 5 is a three-dimensional structural schematic view of the rotating roller mounted on the fixed side plate of the present application;

[0027] Figure 6It is a schematic diagram of the three-dimensional structure of the polishing assembly of the present invention;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the cleaning component of the present invention.

[0029] In the figure: 1. Right-angle mechanical frame; 2. Side frame; 3. Airbag housing; 4. Flip hinge; 5. Connecting frame; 6. Suction cup; 7. Rotating seat; 8. Folding airbag; 9. Lower telescopic rod; 10. Fan; 11. Hollow porous ball; 12. Fixed side plate; 13. Guide rail; 14. Slider; 15. Ruler rod; 16. Spring; 17. Front rotating frame; 18. First roller; 19. Second roller; 20. Traction belt; 21. Elastic belt; 22. Polishing sanding belt; 23. Connecting rod; 24. Driving motor; 25. Driven gear; 26. Half-tooth ring wheel; 27. Flip motor; 28. Folding tube; 29. ​​Card strip; 30. Rear rotating frame; 31. Fixed plate; 32. Insert plate; 33. Air pump; 34. Guide plate. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0031] See also Figures 1 to 7 , the present invention provides a technical solution:

[0032] Example 1: A turning robot for polishing an airbag housing, the turning robot comprising:

[0033] A right-angle mechanical frame 1, a flip assembly is provided on the upper end of the horizontal plate of the right-angle mechanical frame 1, and polishing assemblies are provided on the inner side of the vertical plate of the right-angle mechanical frame 1 in parallel and at intervals.

[0034] The flip assembly includes a side frame 2, a connecting frame 5 and an airbag housing 3. The side frame 2 is vertically fixedly mounted on the upper end of the horizontal plate of the right-angle mechanical frame 1. A flip hinge 4 driven by a flip motor 27 is rotatably mounted on the side frame 2. One side of the connecting frame 5 is mounted on the flip hinge 4, and the other side of the connecting frame 5 is fixedly clamped and connected to the airbag housing 3. A rotating seat 7 is provided on one side of the connecting frame 5, and a pair of suction cups 6 are provided on the other side of the connecting frame 5. The suction cups 6 are negatively pressure-fastened and adsorbed on the outer wall of the airbag housing 3, and the rotating seat 7 is sleeved on the flip hinge 4.

[0035] The work station switching on the circumferential angle of the connecting frame 5 is realized by reversing the driving of the motor 27, and the fixing and mounting of the airbag housing 3 is achieved by the negative pressure adsorption of the suction cup 6, so that the port of the airbag housing 3 is opposite to the folded airbag 8.

[0036] The polishing assembly comprises a fixed side plate 12, a first rotating roller 18 and a second rotating roller 19, the fixed side plate 12 is parallel to the vertical plate of the right-angle mechanical frame 1 and has a spacing between the fixed side plate 12 and the vertical plate, the other side of the fixed side plate 12 is opposite to the inner cavity port of the airbag housing 3, and the side wall of the fixed side plate 12 is fixedly bonded with the air pump 33 for controlling the air inlet of the folded airbag 8.

[0037] The air pump 33 is used to inflate the folded airbag 8.

[0038] The front and rear sides of the fixed side plate 12 are respectively provided with a front rotating frame 17 and a rear rotating frame 30, the driven gear 25 is rotatably installed on the front rotating frame 17, the first rotating roller 18 and the second rotating roller 19 are rotatably installed on the rear rotating frame 30, and the first rotating roller 18 and the second rotating roller 19 are symmetrically rotatably installed on the upper and lower ends of the fixed side plate 12.

[0039] The rear rotating frame 30 is used to rotatably install the first rotating roller 18 and the second rotating roller 19.

[0040] The first rotating roller 18 and the second rotating roller 19 extend along the upper and lower sides of the airbag housing 3, the first rotating roller 18 and the second rotating roller 19 are provided with traction belts 20 in opposite winding directions, the free ends of the traction belts 20 are connected with elastic belts 21, the elastic belts 21 on the first rotating roller 18 and the second rotating roller 19 are connected with a polishing abrasive belt 22, the polishing abrasive belt 22 is located between the folded airbag 8 and the airbag housing 3, one side of the polishing abrasive belt 22 is attached to the outer side wall of the folded airbag 8, and the polishing abrasive belt 22 is attached to the inner cavity inner wall of the airbag housing 3 under the inflation and extrusion of the folded airbag 8.

[0041] When the folded airbag 8 is inflated, the polishing abrasive belt 22 is laterally extruded, so that the middle of the polishing abrasive belt 22 extends to the inner cavity of the port of the airbag housing 3, at this time, the elastic belt 21 is stretched, and the polishing abrasive belt 22 is attached to the inner cavity inner wall of the airbag housing 3.

[0042] The front ends of the first rotating roller 18 and the second rotating roller 19 are connected with the driven gear 25, the front end of the fixed side plate 12 is provided with a half-tooth ring gear 26 driven by the driving motor 24, and the half-tooth ring gear 26 is provided with teeth meshing with the driven gear 25 on the half circumferential arc surface.

[0043] The rotation driving of the driving motor 24 drives the half-tooth ring wheel 26 to rotate, and then the tooth interval of the half-tooth ring wheel 26 is engaged with a pair of front and back symmetrical driven gears 25. When the driven gear 25 on the first rotating roller 18 is engaged, the first rotating roller 18 is driven to rotate, so that the corresponding position of the traction belt 20 is wound and stored, and then the polished abrasive belt 22 pressed and fitted is moved backward. When the driven gear 25 on the second rotating roller 19 is engaged, the half-tooth ring wheel 26 is disconnected with the first rotating roller 18, and the polished abrasive belt 22 is driven to move forward with the rotation winding of the second rotating roller 19. Then, under the continuous rotation of the half-tooth ring wheel 26, the polished abrasive belt 22 makes a small amplitude reciprocating sliding forward and backward, and then under the extrusion of the folding air bag 8, the polished abrasive belt 22 reciprocally rubs between the inner wall of the air bag shell 3, so as to achieve the polishing purpose.

[0044] In example 1, the lower end of the side frame 2 is provided with a cleaning assembly, which is located directly below the turnover hinge 4. The cleaning assembly includes a lower telescopic rod 9 fixed on the upper end surface of the horizontal plate of the right-angle mechanical frame 1. The telescopic end of the lower telescopic rod 9 is fixedly installed with a fan 10. The output end of the fan 10 is connected with a hollow porous ball 11. A plurality of through holes are arranged on the circular arc surface of the hollow porous ball 11.

[0045] When the polishing is completed, the burrs and flash gathered on the inner wall of the air bag shell 3 are rotated by the turnover assembly, so that the port of the air bag shell 3 is downward. The hollow porous ball 11 is driven to rise into the inner cavity of the air bag shell 3 by the lower telescopic rod 9. The air flow is dispersed and sprayed out along the through holes of the hollow porous ball 11 by the exhaust of the fan 10, so as to achieve the purpose of cleaning the inner wall and avoid the adhesion of the burrs and flash.

[0046] In example 1, the air pump 33 is fixedly installed on the side wall of the fixed side plate 12. The fixed side plate 12 is provided with a transversely extending guide rail 13 on the side close to the vertical plate of the right-angle mechanical frame 1. The guide rail 13 is provided with a folding pipe 28. The folding pipe 28 is in communication with the folding air bag 8. The other end of the folding pipe 28 is bonded with a sliding block 14 slidingly installed on the guide rail 13.

[0047] The folding pipe 28 and the sliding block 14 are arranged to reflect the internal pressure of the folding air bag 8.

[0048] The fixed side plate 12 and the vertical plate of the right-angle mechanical frame 1 are fixedly connected by a pair of connecting rods 23. The guide rail 13 is provided with a guide plate 34 at the port position. The sliding block 14 is provided with a scale rod 15. The scale rod 15 is slidingly penetrated through the guide plate 34 and extends to the outside of the guide rail 13. The scale rod 15 is sleeved with a spring 16. One end of the spring 16 abuts against the sliding block 14, and the other end of the spring 16 abuts against the guide plate 34.

[0049] By setting the scale rod 15, when the air pump 33 supplies air to the folding air bag 8, the folding pipe 28 expands, drives the sliding block 14 to slide, and further squeezes the spring 16. The internal pressure of the folding air bag 8 can be obtained by the length of the scale rod 15 and the elastic coefficient of the spring 16, which is convenient to adjust the extrusion force of the folding air bag 8 on the polishing abrasive belt 22, and avoid that the polishing abrasive belt 22 is difficult to slide laterally due to too large extrusion force.

[0050] In example 4, on the basis of example 3, a pair of fixed plates 31 are symmetrically distributed on the side wall of the folding air bag 8 on one side of the fixed side plate 12. The fixed plates 31 are located outside the folding air bag 8, and a plurality of groups of transversely sliding plug-in plates 32 are installed on the fixed plates 31. The plug-in plates 32 are plugged between adjacent folding gaps on the outer wall of the folding air bag 8.

[0051] By setting the plug-in plate 32 to limit the expansion range of the folding air bag 8, it is convenient to adjust the expansion range of the folding air bag 8 according to the volume of the inner cavity of the safety air bag shell 3.

[0052] In example 5, on the basis of example 1, one end of the traction belt 20 is fixed on the first rotating roller 18 and the second rotating roller 19, and the middle section of the traction belt 20 is wound on the first rotating roller 18 and the second rotating roller 19. The free end of the traction belt 20 is fixedly bonded with the elastic band 21. The end of the elastic band 21 is provided with a clamping strip 29. The end of the polishing abrasive belt 22 is plugged into the middle clamping groove of the clamping strip 29. The end of the polishing abrasive belt 22 is fastened and bound on the clamping strip 29 by the sewing line penetrating the clamping groove. The length and width of the polishing abrasive belt 22 are greater than the outer contour size of the safety air bag shell 3.

[0053] By setting the clamping strip 29, the polishing abrasive belt 22 and the elastic band 21 are fixedly connected. By limiting the size of the polishing abrasive belt 22, the purpose of sufficient polishing is achieved.

[0054] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An inverted robot for airbag housing polishing, characterized by: The turnover manipulator comprises: A right-angle mechanical frame (1), a turnover assembly is arranged on the upper end of the horizontal plate of the right-angle mechanical frame (1), and polishing assemblies are arranged in parallel and at intervals on the inner side of the vertical plate of the right-angle mechanical frame (1); The turnover assembly comprises a side frame (2), a connecting frame (5) and a safety air bag shell (3), the side frame (2) is vertically and fixedly installed on the upper end of the horizontal plate of the right-angle mechanical frame (1), a turnover hinge base (4) driven by a turnover motor (27) is rotatably installed on the side frame (2), one side of the connecting frame (5) is installed on the turnover hinge base (4), and the other side of the connecting frame (5) is fixedly clamped and connected with the safety air bag shell (3); The polishing assembly comprises a fixed side plate (12), a first rotating roller (18) and a second rotating roller (19), the fixed side plate (12) is parallel to the vertical plate of the right-angle mechanical frame (1) and has an interval between the fixed side plate (12) and the vertical plate, the other side of the fixed side plate (12) is opposite to the inner cavity port of the safety air bag shell (3), a folding air bag (8) controlled by an air pump (33) is fixedly bonded on the side wall of the fixed side plate (12), the first rotating roller (18) and the second rotating roller (19) are rotatably installed on the upper and lower ends of the fixed side plate (12) in a symmetrical manner, the first rotating roller (18) and the second rotating roller (19) extend in parallel along the upper and lower sides of the safety air bag shell (3), traction belts (20) with opposite winding directions are arranged on the first rotating roller (18) and the second rotating roller (19), free ends of the traction belts (20) are connected with elastic belts (21), a polishing abrasive belt (22) is connected between the elastic belts (21) on the first rotating roller (18) and the second rotating roller (19), the polishing abrasive belt (22) is located between the folding air bag (8) and the safety air bag shell (3), one side of the polishing abrasive belt (22) is attached to the outer side wall of the folding air bag (8), and the polishing abrasive belt (22) is attached to the inner wall of the inner cavity of the safety air bag shell (3) under the inflation extrusion of the folding air bag (8), front ends of the first rotating roller (18) and the second rotating roller (19) are connected with driven gears (25), a half-tooth ring wheel (26) driven by a driving motor (24) is arranged at the front end of the fixed side plate (12), and teeth are arranged on the half-circumferential arc surface of the half-tooth ring wheel (26) and mesh with the driven gears (25).

2. The inverted robot for polishing airbag housing according to claim 1, wherein: One side of the connecting frame (5) is provided with a rotating seat (7), and the other side of the connecting frame (5) is provided with a pair of suction cups (6), the suction cups (6) are tightly adsorbed on the outer wall of the safety air bag shell (3) under negative pressure, and the rotating seat (7) is sleeved on the turnover hinge base (4).

3. The inverted robot for polishing airbag housing according to claim 2, wherein: A cleaning assembly is arranged at the lower end of the side frame (2), the cleaning assembly is located directly below the turnover hinge base (4), and the cleaning assembly comprises a lower telescopic rod (9) fixed on the upper end face of the horizontal plate of the right-angle mechanical frame (1), a fan (10) is fixedly installed at the telescopic end of the lower telescopic rod (9), a hollow porous ball (11) is connected to the output end of the fan (10), and a plurality of groups of penetrating holes are arranged on the circular arc surface of the hollow porous ball (11).

4. The inverted robot of claim 1 wherein: The air pump (33) is fixedly installed on the side wall of the fixed side plate (12), the fixed side plate (12) is provided with a transversely extending guide rail (13) on the side close to the vertical plate of the right-angle mechanical frame (1), a folding pipe (28) is arranged in the guide rail (13), the folding pipe (28) is communicated with the folding air bag (8), and a sliding block (14) is attached to the outer wall of the other end of the folding pipe (28) and slidably installed on the guide rail (13).

5. The inverted robot for polishing airbag housing shells of claim 4 wherein: The fixed side plate (12) and the vertical plate of the right-angle mechanical frame (1) are fixedly connected through a pair of connecting rods (23), a guide plate (34) is arranged at the port position of the guide rail (13), a scale rod (15) is arranged on the sliding block (14), the scale rod (15) slidably penetrates through the guide plate (34) and extends to the outside of the guide rail (13).

6. The inverted robot for polishing airbag housing shells of claim 5 wherein: A spring (16) is sleeved on the scale rod (15), one end of the spring (16) abuts against the sliding block (14), and the other end of the spring (16) abuts against the guide plate (34).

7. The inverted robot of claim 1 wherein: A pair of fixed plates (31) symmetrically distributed in front and back are arranged on the side wall of the fixed side plate (12) on the side of the folding air bag (8), the fixed plates (31) are located outside the folding air bag (8), a plurality of groups of plug-in plates (32) are installed on the fixed plates (31) and slide transversely, and the plug-in plates (32) are plugged between adjacent folding gaps on the outer wall of the folding air bag (8).

8. The inverted robot of claim 1 wherein: One end of the traction belt (20) is fixed on the first rotating roller (18) and the second rotating roller (19), the middle section of the traction belt (20) is wound on the first rotating roller (18) and the second rotating roller (19), and the free end of the traction belt (20) is fixedly attached to the elastic band (21).

9. The inverted robot for polishing airbag housing shells of claim 8 wherein: The end of the elastic band (21) is provided with a clamping strip (29), the end of the polishing abrasive belt (22) is plugged into the middle clamping groove of the clamping strip (29), the end of the polishing abrasive belt (22) is fastened and bound on the clamping strip (29) through the sewing line penetrating the clamping groove, and the length and width of the polishing abrasive belt (22) are greater than the outer contour size of the safety air bag shell (3).

10. The inverted robot of claim 1 wherein: The front and rear sides of the fixed side plate (12) are respectively provided with a front rotating frame (17) and a rear rotating frame (30), the driven gear (25) is rotatably installed on the front rotating frame (17), and the first rotating roller (18) and the second rotating roller (19) are rotatably installed on the rear rotating frame (30).

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