CN211765402U

CN211765402U - Novel folding device of main driving airbag

Info

Publication number: CN211765402U
Application number: CN202020206895.5U
Authority: CN
Inventors: 刘金舟; 蒋斌
Original assignee: Changzhou Changrui Automobile Parts Co ltd
Current assignee: Changzhou Changrui Automobile Parts Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-27
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to a novel folding device of a main driving airbag, which comprises a frame, a load disc, a compression mechanism and a top plate; the load disc is driven by a jacking cylinder; the compression mechanism comprises a plurality of first compression cylinders and a plurality of second compression cylinders with the same number; the first compression air cylinder and the second compression air cylinder are arranged at intervals in a circulating manner; the top plate is an arc plate, the circle center of the top plate is overlapped with the circle center of the load disc, the top plate is opened and closed through a turnover mechanism, and the turnover mechanism comprises a turnover motor, a rotating shaft and a connecting rod; one end of the connecting rod is fixedly connected to the top plate, and the other end of the connecting rod is arranged on the rotating shaft; the rotating shaft is driven by a turnover motor. The device has simple structure, does not need to replace a tool, and can compress air bags with different diameters or produce compressed air bags with different diameters; the airbag folding process is simple, the production efficiency is high, and the full-automatic folding of the main driving airbag is realized.

Description

Novel folding device of main driving airbag

Technical Field

The utility model belongs to the folding field of gasbag, concretely relates to novel folding device of main driving gasbag.

Background

In recent years, with the increasing number of automobiles, traffic accidents are increasing, and the traffic safety is threatening the life safety of people, and the airbag is increasingly emphasized as an auxiliary arrangement for the passive safety of the automobile body. There are 5 main types of airbags used in automobiles: the airbag is mounted in a dedicated cavity and is inflated and expanded to protect passengers when the automobile is in danger.

The existing folding process of the main driving seat airbag is usually produced in an ordered folding mode, the process requirement is complex, and the folding process can be completed only by matching a plurality of devices; different tooling jigs need to be replaced when producing air bags with different diameters, and the application range is narrow. The existing folding process has the advantages of complex requirements, various tool and fixture, completion of combination of multiple devices, long time consumption, labor cost increase and low production efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects, the utility model provides a novel folding device for a main driving airbag, which has simple equipment structure, does not need to replace tooling jigs, and can compress airbags with different diameters or produce compressed airbags with different diameters; the device is used for the folding simple process of gasbag, and multiple spot is extruded folding many times, and production efficiency is high, can realize the full-automatic folding of main driving gasbag.

The utility model provides a technical scheme that its technical problem adopted as follows: a novel folding device for a main driving airbag comprises a rack, wherein the rack comprises a base and an operation platform arranged on the base, a load disc, a compression mechanism and a top plate; the load disk is arranged on an operation platform, the operation platform is provided with a first circular through hole, and the diameter of the load disk is not larger than that of the first circular through hole; the load disc is driven by a jacking cylinder;

the compression mechanism comprises a plurality of first compression cylinders and a plurality of second compression cylinders with the same number; the first compression air cylinder and the second compression air cylinder are arranged at intervals in a circulating manner; the ends of the first compression cylinder and the second compression cylinder form concentric circles, and the circle centers of the concentric circles are overlapped with the circle center of the load disc;

the top plate is an arc plate, the circle center of the top plate is overlapped with the circle center of the load disc, the top plate is opened and closed through a turnover mechanism, and the turnover mechanism comprises a turnover motor, a rotating shaft and a connecting rod; one end of the connecting rod is fixedly connected to the top plate, and the other end of the connecting rod is arranged on the rotating shaft; the rotating shaft is driven by a turnover motor; and a second circular through hole is coaxially arranged on the top plate, and the diameter of the second circular through hole is not less than that of the load disc. The novel folding device is simple in structure, eliminates a tool, can be used for compressing and folding air bags with different diameters, can also be used for producing the folding air bags with different diameters, and is convenient to use; the airbag is changed into an ordered form by a star-shaped folding mode and a disordered folding mode, is folded into a polygonal shape from a primary expansion form, and is finally extruded into a cylinder, so that the airbag can be completed on the same equipment, and the equipment can be matched conveniently; the arrangement of the top plate can effectively prevent the air bag from expanding upwards when being folded, and the folded and compressed air bag has high quality; the folded air bag can be automatically ejected out, so that the full-automatic production of folding the air bag is realized, the labor cost is reduced, and the production efficiency is improved.

Further, the piston head of the first compression cylinder is of a conical structure; the piston head of the second compression cylinder is of an arc-shaped platform structure, the piston head of the second compression cylinder is internally provided with the miniature clamping cylinder, and the miniature clamping cylinder is arranged in the second compression cylinder to clamp the edge of the air bag when the air bag is placed into the load disc, so that the air bag is effectively prevented from being separated during folding, and the folding stability of the air bag is improved.

Furthermore, first compression cylinder and second compression cylinder have 8 respectively, and the gasbag after the control is tentatively folded is the octagon, can guarantee the aesthetic property of multiple spot multiple folding compression, telescopic motion influence each other when avoiding too much first compression cylinder and second compression cylinder overall arrangement again.

Furthermore, a first color block detector is arranged on the first compression cylinder, and a second color block detector is arranged on the second compression cylinder. By adopting the first color block detector and the second color block detector, whether the airbag to be folded and compressed is placed in place can be monitored on line, the accuracy and the yield of the airbag during subsequent compression are improved, and the production efficiency is further improved.

Furthermore, a rotary pressing cylinder is arranged on the periphery of the top plate; an angle sensor is arranged on the rotating shaft. The rotary pressing cylinder is arranged, when the top plate is covered, the top plate is pressed through the upper pressing plate, the first compression cylinder and the second compression cylinder are prevented from being stressed and turned over when the air bags are folded, when the top plate needs to be unfolded, the rotary pressing cylinder is released upwards, the rear pressing head rotates to make room, the top plate is convenient to unfold, and the stability of the air bags during folding can be improved; the angle sensor who sets up can detect the sky board angle of opening and shutting, detects whether the sky board is placed in place.

Further, the first compression cylinders are respectively and independently controlled by corresponding first electromagnetic valves, and the second compression cylinders are respectively and independently controlled by corresponding second electromagnetic valves. Every first compression cylinder and second compression cylinder adopt corresponding first solenoid valve and second solenoid valve independent control respectively, and residual pressure is to the influence of compression cylinder uniformity when can avoiding the solenoid valve to admit and exhaust, guarantees first compression cylinder and second compression cylinder's steady output.

Furthermore, the lifting mechanism further comprises a control system, the control system is electrically connected with the jacking cylinder, the compression mechanism, the overturning motor and the rotary pressing cylinder, and the control system is arranged on the rack. The arranged control system can realize on-line monitoring or remote control, simplify the operation and realize automatic production.

Furthermore, a support rod is arranged on one side of the rack close to the rotating shaft, the support rod is vertically fixed, a limiting plate is further arranged on the upper plane of the support rod, and the limiting plate is parallel to the operating platform. The bracing piece is used for supporting the sky board after the upset to the limiting plate through the level setting carries out vertical direction spacing, reduces the bearing capacity of pivot, improves the life of device.

The airbag is folded by adopting the novel folding device of the main driving airbag, and the folding process comprises the following steps:

s1, the air bag is put in, whether the top plate is in an opened state or not is checked, the air bag to be folded is put into the load disc after the top plate is opened, and the peripheral edge of the air bag is correspondingly plugged into the grooves on the inner sides of the first compression cylinder and the second compression cylinder; the air bag plugging position is detected by a first color block detector and a second color block detector;

s2, covering the top plate, wherein after the first color block detector and the second color block detector detect that the air bags are placed at the appointed positions, the control system controls the overturning motor to rotate, the top plate is covered on the upper planes of the first compression cylinder and the second compression cylinder, and the angle sensor detects the covering state of the top plate;

s3, compressing and folding the air bag, and controlling each first electromagnetic valve to simultaneously input and output air by the control system, so as to control the first compression cylinder to simultaneously move towards the circle center and initially fold the air bag to be folded into an octagonal shape; the control system controls each second electromagnetic valve to simultaneously enter and exit air so as to control the second compression cylinder to simultaneously move towards the circle center, and the octagonal air bag is folded and extruded into a cylinder;

s4, ejecting the folded air bag, controlling the jacking cylinder to move upwards by the control system, ejecting the air bag compressed into a cylinder on the load disc from the second through hole on the top plate, and transferring by using a carrying device;

and S5, the top plate is unfolded, the control system controls the turnover motor to turn over, the top plate is unfolded and conveyed to the supporting rod for suspension, the angle sensor detects that the top plate is completely unfolded, and the air bag is folded.

Further, when the S2 ceiling plate is closed, the control system controls the rotary compacting cylinder to rotate, and the upper pressing plate of the rotary compacting cylinder locks the ceiling plate; when the S5 sky board is opened, the control system controls the rotary compaction cylinder to loosen and rotate, and the upper pressure plate of the rotary compaction cylinder is far away from the upper surface of the sky board.

This kind of novel folding simple process of driving gasbag owner adopts the multiple spot to extrude many times folding, does not have the residual pressure when folding and influences first compression cylinder and second compression cylinder motion, and production product quality is good, and production efficiency is high, can realize the full-automatic folding of driving the gasbag owner.

The utility model has the advantages that:

1. the novel folding device is simple in structure, eliminates a tool, can be used for compressing and folding air bags with different diameters, can also be used for producing the folding air bags with different diameters, and is convenient to use; the airbag is changed into an ordered form by a star-shaped folding mode and a disordered folding mode, is folded into a polygonal shape from a primary expansion form, and is finally extruded into a cylinder, so that the airbag can be completed on the same equipment, and the equipment can be matched conveniently; the arrangement of the top plate can effectively prevent the air bag from expanding upwards when being folded, and the folded and compressed air bag has high quality; the folded air bag can be automatically ejected out, so that the full-automatic production of folding the air bag is realized, the labor cost is reduced, and the production efficiency is improved; the air bag after the primary folding is controlled to be octagonal, so that the attractiveness of multi-point multi-time folding and compression can be ensured, and the mutual influence of telescopic motion when the first compression cylinder and the second compression cylinder are arranged excessively is avoided; by adopting the first color block detector and the second color block detector, whether the airbag to be folded and compressed is placed in place can be monitored on line, the accuracy and the yield of the airbag during subsequent compression are improved, and the production efficiency is further improved; each first compression cylinder and each second compression cylinder are respectively and independently controlled by a corresponding first electromagnetic valve and a corresponding second electromagnetic valve, so that the influence of residual pressure on the consistency of the compression cylinders when the electromagnetic valves supply air or discharge air can be avoided, and the stable output of the first compression cylinders and the second compression cylinders is ensured; the supporting rod is used for supporting the turned top plate and limiting the top plate in the vertical direction through the horizontally arranged limiting plate, so that the bearing force of the rotating shaft is reduced, and the service life of the device is prolonged; the rotatory cylinder that compresses tightly that sets up compresses tightly the sky board through the top board during the sky board lid, and the atress is turned over when preventing the folding gasbag of first compression cylinder and second compression cylinder, and when the sky board need be opened, the rotatory cylinder that compresses tightly upwards loosens, and the space is dodged in the rotation of back hold-down head, and the sky board of being convenient for is opened, can improve the stability when the gasbag is folded.

2. This kind of novel folding simple process of driving gasbag owner adopts the multiple spot to extrude many times folding, does not have the residual pressure when folding and influences first compression cylinder and second compression cylinder motion, and production product quality is good, and production efficiency is high, can realize the full-automatic folding of driving the gasbag owner.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic view of the structure of the ceiling plate of the present invention when it is covered;

FIG. 2 is a schematic structural view of the top plate of the present invention when opened;

FIG. 3 is a schematic view of the hidden rack structure of FIG. 2;

wherein: 1 is the frame, 11 is the base, 12 is operation platform, 13 is first circular through-hole, 2 is the load dish, 21 is the jacking cylinder, 3 is compressing mechanism, 31 is first compression cylinder, 32 is the second compression cylinder, 33 is first colour block detector, 34 is the second colour block detector, 35 is first solenoid valve, 36 is the second solenoid valve, 4 is the day board, 41 is the upset motor, 42 is the pivot, 43 is the connecting rod, 44 is the second through-hole, 45 is the bracing piece, 46 is the limiting plate, 47 is rotatory compressing cylinder, 48 is angle sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a novel folding device for a main driving airbag comprises a frame 1, a load disc 2, a compression mechanism 3 and a top plate 4; the frame 1 comprises a base 11 and an operating platform 12 arranged on the base 11, the load disk 2 is arranged on the operating platform 12, the operating platform 12 is provided with a first circular through hole 13, and the diameter of the load disk 2 is not more than that of the first circular through hole 13; the load disk 2 is driven by a jacking cylinder 21; the compression mechanism 3 comprises 8 first compression cylinders 31 and 8 second compression cylinders 32; the first compression cylinder 31 and the second compression cylinder 32 are arranged alternately in a circulating manner; the ends of the first and

second compression cylinders

31 and 32 form concentric circles, the centers of which overlap with the center of the load tray 2; the piston head of the first compression cylinder 31 has a tapered structure; the piston head of the second compression cylinder 32 is of an arc-shaped table structure, and a micro clamping cylinder (not shown in the figure) is arranged in the piston head of the second compression cylinder 32; a first color block detector 33 is arranged on the first compression cylinder 31, and a second color block detector 34 is arranged on the second compression cylinder 32; the first compression cylinders 31 are respectively and independently controlled by corresponding first electromagnetic valves 35, and the second compression cylinders 32 are respectively and independently controlled by corresponding second electromagnetic valves 36; the top plate 4 is an arc plate, the circle center of the top plate 4 is overlapped with the circle center of the load disk 2, the top plate 4 is opened and closed through a turnover mechanism, and the turnover mechanism comprises a turnover motor 41, a rotating shaft 42 and a connecting rod 43; one end of the connecting rod 43 is fixedly connected to the top plate 4, and the other end is arranged on the rotating shaft 42; the rotating shaft 42 is driven by the overturning motor 41, and an angle sensor 48 is arranged on the rotating shaft 42; a second circular through hole 44 is coaxially arranged on the top plate 4, and the diameter of the second circular through hole 44 is not smaller than that of the load disk 2; a support rod 45 is arranged on one side, close to the rotating shaft 42, of the rack 1, the support rod 45 is vertically fixed, a limiting plate 46 is further arranged on the upper plane of the support rod 45, the limiting plate 46 is parallel to the operating platform 12, two rotary pressing cylinders 47 are arranged on the periphery of the top plate 4, the rotary pressing cylinders 47 are arranged on the operating platform 12, and the two rotary pressing cylinders 47 are uniformly distributed at two ends, parallel to the rotating shaft 42, of each other; the automatic control device further comprises a control system, the control system is electrically connected with the jacking cylinder 21, the compression mechanism 3, the overturning motor 41 and the rotary pressing cylinder 47, the control system is arranged on the rack 1, and the control system can be arranged on the rack 1 according to specific requirements or is provided with a control console independently, so that the control system is not shown in the figure.

The novel folding device is simple in structure, eliminates a tool, can be used for compressing and folding air bags with different diameters, can also be used for producing the folding air bags with different diameters, and is convenient to use; adopt the folding mode of star type, adopt unordered folding mode to become the orderly form with the gasbag, fold into the polygon from preliminary inflation form, extrude into the cylinder at last, can accomplish on same equipment, it is convenient that the cooperation between the equipment.

s1, the air bag is put in, whether the top plate 4 is in an opened state or not is checked, the air bag to be folded is put into the load disc 2 after the top plate 4 is opened, and the peripheral edge of the air bag is correspondingly plugged into the grooves on the inner sides of the first compression air cylinder 31 and the second compression air cylinder 32; the air bag insertion position is detected by a first color patch detector 33 and a second color patch detector 34;

s2, covering the top plate, and after the first color block detector 33 and the second color block detector 34 detect that the air bags are placed at the appointed positions, controlling the overturning motor 41 to rotate by the control system to cover the top plate 4 on the upper planes of the first compression cylinder 31 and the second compression cylinder 32; the angle sensor 48 detects the covering state of the top plate 4, the control system controls the rotary pressing cylinder 47 to rotate, and the top pressing plate of the rotary pressing cylinder 47 locks the top plate 4;

s3, compressing and folding the air bag, wherein the control system respectively controls each first electromagnetic valve 35 to simultaneously enter and exit air, so as to control the first compression cylinder 31 to simultaneously move towards the circle center, and initially fold the air bag to be folded into an octagon; the control system controls each second electromagnetic valve 36 to simultaneously enter and exit air, so that the second compression air cylinder 32 is controlled to simultaneously move towards the circle center, and the octagonal air bag is folded and extruded into a cylinder;

s4, ejecting the folded air bag, controlling the jacking air cylinder 21 to move upwards by the control system, ejecting the air bag compressed into a cylinder on the load disc 2 from the second through hole 44 on the top plate 4, and transferring by using a carrying device;

and S5, the top plate is unfolded, the control system controls the overturning motor 41 to overturn, the top plate 4 is unfolded and conveyed to the supporting rod 45 to pause, the control system controls the rotary pressing cylinder 47 to loosen and rotate, the upper pressing plate of the rotary pressing cylinder 47 is far away from the upper surface of the top plate 4, the angle sensor 48 detects that the top plate 4 is completely unfolded, and the folding of the air bag is completed.

When the main driving airbag is folded, when the upper plate 4 is covered, the control system controls the output torque of the overturning motor 41, the front section shows that the driving torque drives the upper plate to cover and start, the rear section output torque is the resisting torque in the covering direction of the upper plate 4, and the covering stage of the upper plate 4 is slow starting, accelerating and slow decelerating until the upper plate is completely covered; when the top plate 4 is opened, the overturning motor 41 outputs driving torque, the output torque is gradually reduced, the torque is gradually reduced from the maximum state until no torque is output, the top plate 4 is ensured to be smoothly closed and opened without impact, and the appearance of parts of the top plate is protected from being changed; wherein adopt the multiple spot to extrude folding many times, do not have first solenoid valve 35 and second solenoid valve 36 and advance when gas residual pressure to first compression cylinder 31 and the motion of second compression cylinder 32 influence during folding, it is good to produce product quality, and production efficiency is high, can realize the full-automatic folding of main driving gasbag, simple process, low in production cost.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a novel folding device of main driving gasbag, includes frame (1), including base (11) and operation platform (12) of setting on base (11) on frame (1), its characterized in that: the device also comprises a load disc (2), a compression mechanism (3) and a top plate (4); the load disk (2) is arranged on an operation platform (12), the operation platform (12) is provided with a first circular through hole (13), and the diameter of the load disk (2) is not larger than that of the first circular through hole (13); the load disc (2) is driven by a jacking cylinder (21);

the compression mechanism (3) comprises a plurality of first compression cylinders (31) and a plurality of second compression cylinders (32) with the same number; the first compression cylinder (31) and the second compression cylinder (32) are arranged alternately in a circulating way; the ends of the first compression cylinder (31) and the second compression cylinder (32) form concentric circles, and the centers of the concentric circles are overlapped with the center of the load disc (2);

the top plate (4) is an arc plate, the circle center of the top plate (4) is overlapped with the circle center of the load disc (2), the top plate (4) is opened and closed through a turnover mechanism, and the turnover mechanism comprises a turnover motor (41), a rotating shaft (42) and a connecting rod (43); one end of the connecting rod (43) is fixedly connected to the top plate (4), and the other end of the connecting rod is arranged on the rotating shaft (42); the rotating shaft (42) is driven by a turnover motor (41); and a second circular through hole (44) is coaxially arranged on the top plate (4), and the diameter of the second circular through hole (44) is not less than that of the load disc (2).

2. A novel folding device for a main driving airbag according to claim 1, characterized in that: the piston head of the first compression cylinder (31) is of a conical structure; the piston head of the second compression cylinder (32) is of an arc-shaped table structure, and a micro clamping cylinder is arranged in the piston head of the second compression cylinder (32).

3. A novel folding device for a main driving airbag according to claim 2, characterized in that: the first compression cylinder (31) and the second compression cylinder (32) are respectively provided with 8 compression cylinders.

4. A novel folding device for a main driving airbag according to claim 3, characterized in that: and a first color block detector (33) is arranged on the first compression cylinder (31), and a second color block detector (34) is arranged on the second compression cylinder (32).

5. A novel folding device for a main driving airbag according to claim 1, wherein; a rotary pressing cylinder (47) is arranged on the periphery of the top plate (4), and the rotary pressing cylinder (47) is arranged on the operating platform (12); an angle sensor (48) is arranged on the rotating shaft (42).

6. A novel folding device for a main driver airbag according to any one of claims 1 to 5, characterized in that: the first compression cylinders (31) are individually controlled by corresponding first solenoid valves (35), and the second compression cylinders (32) are individually controlled by corresponding second solenoid valves (36).

7. A novel folding device for a main driving airbag according to claim 6, characterized in that: the automatic lifting device is characterized by further comprising a control system, wherein the control system is electrically connected with the jacking cylinder (21), the compression mechanism (3), the overturning motor (41) and the rotary pressing cylinder (47), and the control system is arranged on the rack (1).

8. A novel folding device for a main driving airbag according to claim 7, characterized in that: a supporting rod (45) is arranged on one side, close to the rotating shaft (42), of the rack (1), the supporting rod (45) is vertically fixed, a limiting plate (46) is further arranged on the upper plane of the supporting rod (45), and the limiting plate (46) is parallel to the operating platform (12).