Folding device for automobile safety air bag production and using method of folding device

Abstract

The invention discloses a folding device for automobile safety air bag production and a using method of the folding device, and relates to the technical field of safety air bag production.The folding device for automobile safety air bag production comprises an operation table; the first folding plates are arranged at the upper end of the operation table, the two first folding plates are symmetrically arranged on the left side and the right side of the upper end of the operation table, the second folding plates are arranged at the upper end of the operation table, and the two second folding plates are symmetrically arranged on the front side and the rear side of the upper end of the operation table; a circular groove is formed in the surface of the upper end of the operation table, a circular ring is movably arranged in the circular groove, a safety air bag is placed at the upper end of a folding plate, the periphery of the safety air bag can be folded by overturning the folding plate, meanwhile, a limiting rod is arranged to limit the folding position of the safety air bag, and the folding position of the safety air bag is limited; and meanwhile, the limiting rod is driven by the electric push rod to do telescopic movement, and the limiting rod can retreat from the folding part of the safety air bag after being folded.

Description

Technical Field

[0001] The invention relates to the technical field of airbag production, in particular to a folding device for automobile airbag production and a use method thereof. Background Art

[0002] Airbag is an auxiliary safety system and a passive safety protection device. It can inflate quickly when a car collides, providing additional protection for the driver and passengers, especially for the head and neck. The airbag needs to be folded after production to facilitate the placement of the airbag in the airbag frame.

[0003] Usually, the folding of airbags is done manually and then placed in the airbag frame, which is inefficient and the manual folding method easily leads to inconsistent folded shapes of the airbags. The airbags are easily affected by the folding method when they are opened. Therefore, we provide a folding device for automobile airbag production and a method for using the same. Summary of the invention

[0004] The object of the present invention is to provide a folding device for automobile airbag production and a method of using the same, so as to solve the problem in the above background technology that the folding of airbags is performed manually and then placed in an airbag frame, which is inefficient and the manual folding method easily leads to the folded shape of the airbag being unable to remain consistent, and the airbag is easily affected by the folding method when it is opened.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a folding device for automobile airbag production, comprising an operating table;

[0006] Also includes:

[0007] A first folding plate is arranged at the upper end of the operating table, and there are two first folding plates which are symmetrically arranged on the left and right sides of the upper end of the operating table; a second folding plate is arranged at the upper end of the operating table, and there are two second folding plates which are symmetrically arranged on the front and back sides of the upper end of the operating table; a circular groove is arranged on the upper end surface of the operating table, a circular ring is movably arranged inside the circular groove, and the circular ring rotates inside the circular groove; a second electric push rod is arranged at the upper end of the circular ring, and there are two second electric push rods; a limit rod is arranged at the front end of the second electric push rod, the limit rod is driven by the electric push rod to move telescopically, and the limit rod is located above the first folding plate and the second folding plate.

[0008] Preferably, a gear is provided on one side of the inner part of the operating table, teeth are provided on the outer edge of the ring, and the gears are meshed with the teeth for transmission, a motor is provided at the bottom of the operating table, and the motor and the gears are connected by a rotating rod.

[0009] Preferably, side frames are symmetrically arranged on both sides of the upper end of the operating table, a top plate is arranged on the upper end of the side frames, a cylinder is arranged in the middle of the upper end of the top plate, a first telescopic rod is arranged below the cylinder, and the first telescopic rod extends to the bottom of the top plate, and a pressure plate is arranged at the bottom of the first telescopic rod.

[0010] Preferably, a first limit plate is symmetrically arranged on the left and right sides below the pressure plate, a second limit plate is symmetrically arranged on the front and back sides below the pressure plate, a first electric push rod is arranged above the pressure plate, and four first electric push rods are arranged and are respectively connected to the first limit plate and the second limit plate, the first electric push rod is connected to the first limit plate and the second limit plate through a second telescopic rod, and locking grooves are symmetrically arranged around the bottom of the pressure plate, and the first limit plate and the second limit plate are respectively locked in the inside of the locking grooves.

[0011] Preferably, a through groove is provided on the upper end surface of the operating table, and the through groove connects the upper and lower ends of the operating table. The pressure plate is located directly above the through groove, and the first folding plate and the second folding plate are respectively located around the through groove. A locking frame is provided at the bottom of the operating table, and the through groove is connected to the inside of the locking frame.

[0012] Preferably, the second electric push rod is connected and fixed to the ring via a connecting frame.

[0013] Preferably, a driving frame is provided at the bottom of the first folding plate and the second folding plate, the outer sides of the first folding plate and the second folding plate are connected by a connecting piece, and the driving frame is fixed between the two groups of connecting pieces, a stepping motor is provided on the outer side of the connecting piece, and the stepping motor controls the driving frame to drive the first folding plate and the second folding plate to rotate.

[0014] Preferably, the driving frame is connected to the first folding plate and the second folding plate via a folding member, and the first folding plate and the second folding plate are swung at the upper end of the driving frame via the folding member.

[0015] Preferably, a method for using a folding device for producing an automobile airbag comprises the following steps:

[0016] Step 1: Lay the airbag flat on the upper ends of the first folding plate and the second folding plate. At this time, the two sets of second electric push rods are respectively located on the outer sides of the first folding plate. Start the second electric push rods to extend the limit rods and respectively locate them above the left and right sides of the airbag;

[0017] Step 2: driving the stepper motor to rotate the driving frame of the first folding plate, so that the first folding plate is turned vertically, and under the action of inertia and the folding member, the first folding plate is folded inward after being vertically turned, so that the left and right sides of the airbag are folded;

[0018] Step 3: After the left and right sides of the airbag are folded, the second electric push rod drives the limit rod to retract, so that the limit rod is separated from the surface of the airbag, and then the first electric push rod drives the first limit plates on the left and right sides to descend and fit on the folded surfaces of the left and right sides of the airbag, so as to limit the folded surfaces on the left and right sides of the airbag to prevent the left and right sides of the airbag from flipping and resetting;

[0019] Step 4: The motor drives the gear to rotate, driving the ring to rotate 90 degrees, so that the second electric push rod rotates to the outside of the second folding plates on the front and rear sides, and then drives the limit rod to extend and extend to the top of the front and rear sides of the airbag, and folds the front and rear sides of the airbag through the second folding plate. After folding, the limit rod is driven to retract and exit the surface of the airbag;

[0020] Step 5: driving the first telescopic rod to lower the second limiting plates on the front and rear sides and fit them above the front and rear sides of the airbag for limiting;

[0021] Step six: Place the airbag frame into the locking frame, start the cylinder to drive the pressure plate to descend, and while the pressure plate descends, the first electric push rod synchronously retracts the first limit plate and the second limit plate upwards until the first limit plate and the second limit plate are retracted into the locking groove, and the first electric push rod stops driving, and the pressure plate continues to descend to push the airbag downward, through the through groove and into the airbag frame, so that the airbag can be folded and assembled into the airbag frame.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention arranges a first folding plate and a second folding plate, places the airbag on the upper ends of the first folding plate and the second folding plate, and drives the folding plate to flip so as to fold the four sides of the airbag. At the same time, a limit rod is arranged to limit the folding position of the airbag, so that the folding position of the airbag is restricted. At the same time, the limit rod is driven by an electric push rod to move telescopically. After folding, the limit rod can be withdrawn from the folding position of the airbag. At the same time, the limit rod can be moved by rotating a ring, so that after the left and right sides of the auxiliary airbag are folded, the limit rod is moved to the folding position of the front and rear sides of the airbag by rotating the ring, and the front and rear sides of the auxiliary airbag are folded again.

[0024] 2. A pressure plate is provided at the upper end of the airbag and a locking frame is provided at the bottom of the operating table, and the airbag frame for storing the airbag is placed inside the locking frame. At the same time, a through groove is provided on the surface of the operating table. After being folded, the airbag can be directly pushed downward by the pressure plate and can directly enter the airbag frame after passing through the through groove, so that the airbag can be directly stored. At the same time, a limit plate is provided at the bottom of the pressure plate. The limit plate can limit the folded airbag to prevent the folded airbag from flipping and resetting without external force limitation, thereby eliminating the steps of manual folding and storage, saving time, and improving efficiency. At the same time, the folded position of the airbag can be kept consistent. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is the overall structural front view of the present invention;

[0027] Figure 3 It is a schematic diagram of the folding structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the airbag insertion structure of the present invention;

[0029] Figure 5 is a side cross-sectional view of the teeth and gear of the present invention;

[0030] Figure 6 A side view showing the connection between the drive frame and the folding plate of the present invention;

[0031] Figure 7 It is an enlarged view of the structure at A of the present invention;

[0032] In the figure: 1. operating table; 2. top plate; 3. cylinder; 4. circular groove; 5. circular ring; 6. side frame; 7. pressure plate; 8. first telescopic rod; 9. first electric push rod; 10. first limit plate; 11. second telescopic rod; 12. engaging groove; 13. second electric push rod; 14. limit rod; 15. first folding plate; 16. through groove; 17. second folding plate; 18. second limit plate; 19. engaging frame; 20. motor; 21. gear; 22. rotating rod; 23. teeth; 24. connecting frame; 25. stepping motor; 26. connecting piece; 27. folding piece; 28. driving frame. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] See also Figure 1-7, an embodiment provided by the present invention: a folding device for automobile airbag production, comprising an operating table 1;

[0035] Also includes:

[0036] A first folding plate 15 is arranged at the upper end of the operating table 1, and two first folding plates 15 are provided and symmetrically arranged on the left and right sides of the upper end of the operating table 1. A second folding plate 17 is arranged at the upper end of the operating table 1, and two second folding plates 17 are provided and symmetrically arranged on the front and back sides of the upper end of the operating table 1. A circular groove 4 is arranged on the upper end surface of the operating table 1, and a circular ring 5 is movably arranged inside the circular groove 4, and the circular ring 5 rotates inside the circular groove 4. A second electric push rod 13 is arranged at the upper end of the circular ring 5, and two second electric push rods 13 are provided. A limit rod 14 is arranged at the front end of the second electric push rod 13. The limit rod 14 is driven by the electric push rod to move telescopically, and the limit rod 14 is located above the first folding plate 15 and the second folding plate 17.

[0037] The airbag is placed on the upper end of the folding plate, and the folding plate is driven to flip to fold the four sides of the airbag. At the same time, a limit rod 14 is set to limit the folding part of the airbag so that the folding position of the airbag is restricted. At the same time, the limit rod 14 is driven by an electric push rod to move telescopically. After folding, the limit rod 14 can be withdrawn from the folding part of the airbag.

[0038] See also Figure 5 A gear 21 is provided on one side of the inner part of the operating table 1, and teeth 23 are provided on the outer edge of the ring 5, and the gear 21 is meshed with the teeth 23 for transmission. A motor 20 is provided at the bottom of the operating table 1, and the motor 20 and the gear 21 are connected by a rotating rod 22 for driving the ring 5 to rotate.

[0039] See also Figure 1 Side frames 6 are symmetrically arranged on both sides of the upper end of the operating table 1, a top plate 2 is arranged on the upper end of the side frames 6, a cylinder 3 is arranged in the middle of the upper end of the top plate 2, a first telescopic rod 8 is arranged below the cylinder 3, and the first telescopic rod 8 extends to the bottom of the top plate 2, and a pressing plate 7 is arranged at the bottom of the first telescopic rod 8, which can drive the pressing plate 7 to descend and push the folded airbag into the airbag frame below.

[0040] See also Figure 4A first limiting plate 10 is symmetrically arranged on the left and right sides below the pressing plate 7, a second limiting plate 18 is symmetrically arranged on the front and rear sides below the pressing plate 7, a first electric push rod 9 is arranged above the pressing plate 7, and four first electric push rods 9 are arranged and respectively connected with the first limiting plate 10 and the second limiting plate 18, the first electric push rod 9 is connected to the first limiting plate 10 and the second limiting plate 18 through a second telescopic rod 11, and a clamping groove 12 is symmetrically arranged around the bottom of the pressing plate 7, and the first limiting plate 10 and the second limiting plate 18 are respectively clamped in the inside of the clamping groove 12, the limiting plate can limit the edge of the folded airbag to prevent the folded airbag from flipping and resetting without external force limiting.

[0041] See also Figure 2 A through groove 16 is provided on the upper end surface of the operating platform 1, and the through groove 16 connects the upper and lower ends of the operating platform 1. The pressing plate 7 is located directly above the through groove 16, and the first folding plate 15 and the second folding plate 17 are respectively located around the through groove 16. A snap-fit ​​frame 19 is provided at the bottom of the operating platform 1, and the through groove 16 is connected to the inside of the snap-fit ​​frame 19, so that the airbag frame can be placed in the snap-fit ​​frame 19 to store the airbag.

[0042] See also Figure 5 The second electric push rod 13 and the ring 5 are connected and fixed by a connecting frame 24, so that a distance is left between the second electric push rod 13 and the surface of the operating table 1 to prevent the second electric push rod 13 from rubbing against the surface of the operating table 1 when rotating.

[0043] See also Figure 6-7 A driving frame 28 is provided at the bottom of the first folding plate 15 and the second folding plate 17. The outer sides of the first folding plate 15 and the second folding plate 17 are connected by a connecting piece 26, and the driving frame 28 is fixed between the two groups of connecting pieces 26. A stepping motor 25 is provided on the outer side of the connecting piece 26, and the stepping motor 25 controls the driving frame 28 to drive the first folding plate 15 and the second folding plate 17 to rotate, so as to drive the folding plates to swing.

[0044] See also Figure 6 The driving frame 28 is connected to the first folding plate 15 and the second folding plate 17 through the folding piece 27, and the first folding plate 15 and the second folding plate 17 are swung at the upper end of the driving frame 28 through the folding piece 27, so that the folding plates will not be blocked by the limit rod 14 when swinging and folding, and the two sides of the airbag can be folded conveniently.

[0045] See also Figure 1-7 A method for using a folding device for producing an automobile airbag comprises the following steps:

[0046] Step 1: Lay the airbag flat on the upper ends of the first folding plate 15 and the second folding plate 17. At this time, the two sets of second electric push rods 13 are respectively located on the outer sides of the first folding plate 15. Start the second electric push rods 13 to extend the limit rods 14 and place them above the left and right sides of the airbag respectively.

[0047] Step 2: Drive the stepper motor 25 to rotate the driving frame 28 of the first folding plate 15, so that the first folding plate 15 turns vertically, and under the action of inertia and the folding member 27, the first folding plate 15 folds inward after being vertical, so that the left and right sides of the airbag are folded;

[0048] Step 3: After the left and right sides of the airbag are folded, the second electric push rod 13 drives the limit rod 14 to retract, so that the limit rod 14 is separated from the surface of the airbag, and then the first electric push rod 9 drives the first limit plates 10 on the left and right sides to descend and fit on the folded surfaces of the left and right sides of the airbag, so as to limit the folded surfaces on the left and right sides of the airbag to prevent the left and right sides of the airbag from flipping and resetting;

[0049] Step 4: The motor 20 drives the gear 21 to rotate, driving the ring 5 to rotate 90 degrees, so that the second electric push rod 13 rotates to the outside of the second folding plates 17 on the front and rear sides, and then drives the limit rod 14 to extend and extend to the top of the front and rear sides of the airbag, and folds the front and rear sides of the airbag through the second folding plates 17. After folding, the limit rod 14 is driven to retract and exit the surface of the airbag;

[0050] Step 5: Drive the first telescopic rod 8 to make the second limiting plates 18 on the front and rear sides descend and fit above the front and rear sides of the airbag for limiting;

[0051] Step six: Place the airbag frame into the locking frame 19, start the cylinder 3 to drive the pressure plate 7 to descend, and while the pressure plate 7 descends, the first electric push rod 9 synchronously retracts the first limit plate 10 and the second limit plate 18 upwards, until the first limit plate 10 and the second limit plate 18 are retracted into the locking groove 12, the first electric push rod 9 stops driving, and the pressure plate 7 continues to descend to push the airbag downward, pass through the through groove 16 and enter into the airbag frame, so that the airbag can be folded and assembled into the airbag frame.

[0052] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A folding device for automobile airbag production, comprising an operating table (1); Features: Also includes: A first folding plate (15) is arranged at the upper end of the operating table (1), and two first folding plates (15) are arranged and symmetrically arranged on the left and right sides of the upper end of the operating table (1); a second folding plate (17) is arranged at the upper end of the operating table (1), and two second folding plates (17) are arranged and symmetrically arranged on the front and rear sides of the upper end of the operating table (1); a circular groove (4) is arranged on the upper end surface of the operating table (1); a circular ring (5) is movably arranged inside the circular groove (4), and the circular ring (5) rotates inside the circular groove (4); a second electric push rod (13) is arranged at the upper end of the circular ring (5), and two second electric push rods (13) are arranged; a limit rod (14) is arranged at the front end of the second electric push rod (13); the limit rod (14) is driven by the electric push rod to move telescopically, and the limit rod (14) is located above the first folding plate (15) and the second folding plate (17).

2. A folding device for automobile airbag production according to claim 1, characterized in that: A gear (21) is arranged on one side of the interior of the operating table (1), teeth (23) are arranged on the outer edge of the ring (5), and the gear (21) and the teeth (23) are meshed and transmitted, and a motor (20) is arranged at the bottom of the operating table (1), and the motor (20) and the gear (21) are connected via a rotating rod (22).

3. The folding device for automobile airbag production according to claim 2, characterized in that: Side frames (6) are symmetrically arranged on both sides of the upper end of the operating table (1); a top plate (2) is arranged on the upper end of the side frames (6); a cylinder (3) is arranged in the middle of the upper end of the top plate (2); a first telescopic rod (8) is arranged below the cylinder (3); the first telescopic rod (8) extends to the bottom of the top plate (2); and a pressing plate (7) is arranged at the bottom of the first telescopic rod (8).

4. The folding device for automobile airbag production according to claim 3, characterized in that: A first limit plate (10) is symmetrically arranged on the left and right sides below the pressure plate (7), and a second limit plate (18) is symmetrically arranged on the front and rear sides below the pressure plate (7). A first electric push rod (9) is arranged above the pressure plate (7), and four first electric push rods (9) are arranged and are respectively connected to the first limit plate (10) and the second limit plate (18). The first electric push rod (9) is connected to the first limit plate (10) and the second limit plate (18) through a second telescopic rod (11). The bottom of the pressure plate (7) is symmetrically provided with a clamping groove (12), and the first limit plate (10) and the second limit plate (18) are respectively clamped in the inside of the clamping groove (12).

5. The folding device for automobile airbag production according to claim 1, characterized in that: The upper surface of the operating table (1) is provided with a through groove (16), the through groove (16) is connected to the upper and lower ends of the operating table (1), the pressing plate (7) is located directly above the through groove (16), and the first folding plate (15) and the second folding plate (17) are respectively located around the through groove (16), and the bottom of the operating table (1) is provided with a snap-fit ​​frame (19), and the through groove (16) is connected to the inside of the snap-fit ​​frame (19).

6. The folding device for automobile airbag production according to claim 1, characterized in that: The second electric push rod (13) and the ring (5) are connected and fixed via a connecting frame (24).

7. The folding device for automobile airbag production according to claim 1, characterized in that: A driving frame (28) is provided at the bottom of each of the first folding plate (15) and the second folding plate (17); the outer sides of the first folding plate (15) and the second folding plate (17) are connected via a connecting piece (26); the driving frame (28) is fixed between the two groups of connecting pieces (26); a stepping motor (25) is provided on the outer side of the connecting piece (26); and the stepping motor (25) controls the driving frame (28) to drive the first folding plate (15) and the second folding plate (17) to rotate.

8. The folding device for automobile airbag production according to claim 7, characterized in that: The driving frame (28) is connected to the first folding plate (15) and the second folding plate (17) via a folding member (27), and the first folding plate (15) and the second folding plate (17) swing at the upper end of the driving frame (28) via the folding member (27).

9. A method for using a folding device for automobile airbag production, based on the folding device for automobile airbag production according to claims 1-8, characterized in that: The following steps are involved: Step 1: Lay the airbag flat on the upper ends of the first folding plate (15) and the second folding plate (17), and at this time, the two sets of second electric push rods (13) are respectively located on the outer sides of the first folding plate (15), and the second electric push rods (13) are started to extend the limit rods (14) and respectively be located above the left and right sides of the airbag; Step 2: driving the stepper motor (25) to rotate the driving frame (28) of the first folding plate (15), so that the first folding plate (15) turns vertically, and under the action of inertia and the folding member (27), the first folding plate (15) folds inward after being vertically turned, so that the left and right sides of the airbag are folded; Step 3: After the left and right sides of the airbag are folded, the second electric push rod (13) drives the limit rod (14) to be retracted, so that the limit rod (14) is separated from the surface of the airbag, and then the first electric push rod (9) drives the first limit plates (10) on the left and right sides to descend and fit on the folded surfaces of the left and right sides of the airbag, thereby limiting the folded surfaces of the left and right sides of the airbag to prevent the left and right sides of the airbag from turning over and resetting; Step 4: The motor (20) drives the gear (21) to rotate, driving the ring (5) to rotate 90 degrees, so that the second electric push rod (13) rotates to the outside of the second folding plates (17) on the front and rear sides, and then drives the limit rod (14) to extend and extend to the top of the front and rear sides of the airbag, and folds the front and rear sides of the airbag through the second folding plates (17). After folding, the limit rod (14) is driven to retract and exit the surface of the airbag; Step 5: driving the first telescopic rod (8) to make the second limiting plates (18) on the front and rear sides descend and fit above the front and rear sides of the airbag for limiting; Step 6: Place the airbag frame into the locking frame (19), start the cylinder (3) to drive the pressure plate (7) to descend, and while the pressure plate (7) descends, the first electric push rod (9) synchronously retracts the first limit plate (10) and the second limit plate (18) upwards, until the first limit plate (10) and the second limit plate (18) are retracted into the locking groove (12), the first electric push rod (9) stops driving, and the pressure plate (7) continues to descend to push the safety airbag downward, pass through the through groove (16) and enter into the airbag frame, so that the safety airbag can be folded and assembled into the airbag frame.

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