CN211595987U

CN211595987U - Sewing device for safety air bag

Info

Publication number: CN211595987U
Application number: CN201922194156.9U
Authority: CN
Inventors: 董文杰
Original assignee: Shanghai Yinchin Automation Technology Co ltd
Current assignee: Shanghai Yinchin Automation Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-29
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an air bag's sewing machine, wherein air bag's sewing machine includes an at least controllable sewing machine, an at least fixing device and an at least adjusting device, wherein fixing device is set up can fix at least an air bag of waiting to make up, wherein adjusting device is set up can be through the adjustment quilt fixing device is fixed wait to make up the peripheral edge that need be made up on the air bag different positions extremely make up the district, so that the peripheral edge quilt that needs of waiting to make up air bag were made up controllable sewing machine is made up.

Description

Sewing device for safety air bag

Technical Field

The utility model relates to a sewing machine especially relates to an air bag's sewing machine.

Background

Airbags are widely provided in vehicles, particularly, in cars, to cushion the driver and passengers of the vehicle when the vehicle is in a dangerous condition, so as to protect the driver and passengers. The airbag is formed by sewing at least one sheet. The sheet forms an inflatable cavity.

However, in actual use, the airbag has a different shape. Typically, the edges of the airbag need to be sewn so that the airbag can form a predetermined shape after inflation. Since the shape of the airbag varies, the peripheral edge position of the airbag to be sewn is not fixed. Therefore, in the prior art, the airbag is usually sewn by using a sewing machine. However, in the prior art, when the airbag is sewn by using a sewing machine, the airbag can be sewn only by using a manual sewing method. This not only results in inefficient operation, but also results in reduced airbag yield due to instability of manual operation.

On the other hand, when the airbag is sewn by using the sewing machine in the prior art, the airbag needs to be fixed, and the sewing machine head needs to be moved through the gantry structure, so that the airbag is sewn. This inevitably results in a bulky overall structure and installation. In addition, the sewing machine head of the sewing machine can only move two shafts and at most three shafts under the common condition, the moving amplitude and direction are fixed, and once the sewing machine head is used for sewing the air bag with the arc-shaped peripheral edge, errors are inevitably caused, and the requirement of precise sewing cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air bag's sewing machine, wherein air bag's sewing machine is suitable for making the gasbag of various different shapes, is particularly suitable for making the peripheral edge for curved air bag.

Another object of the present invention is to provide an airbag sewing apparatus, wherein the airbag sewing apparatus can satisfy the requirement of precision sewing.

Another object of the present invention is to provide an airbag sewing apparatus, wherein the airbag sewing apparatus can automatically sew the airbag according to the set mode, and further avoid the error caused by manual operation.

In order to realize the utility model discloses above at least one purpose, the utility model provides an air bag's sewing machine for make up at least an air bag that waits to make up, wherein air bag's sewing machine includes:

at least one controllable sewing machine, said controllable sewing machine forming a sewing zone;

at least one fixing device, wherein the fixing device is arranged to fix at least one airbag to be sewn; and

at least one adjusting device, wherein the adjusting device is arranged to adjust different positions of the peripheral edge to be sewn on the airbag to be sewn fixed by the fixing device to the sewing area, so that the peripheral edge to be sewn of the airbag to be sewn is sewn by the controllable sewing machine.

According to an embodiment of the invention, the sewing device of the airbag comprises a programmable controller, the adjusting device and the controllable sewing machine being controllably connected to the programmable controller, respectively.

According to an embodiment of the present invention, the fixing device comprises at least one clamping member and a connecting member, wherein the clamping member comprises an upper clamping member and a lower clamping member, one side of the upper clamping member is fixedly connected to the lower clamping member by a pivotable positioning, a clamping space is formed between the upper clamping member and the lower clamping member for clamping the airbag to be sewn, wherein the connecting member is disposed at the top of the upper clamping member, wherein the adjusting device is connected to the connecting member after being controlled by the programmable controller.

According to an embodiment of the present invention, the clamping member includes a torsion spring configured to urge the upper clamping member and the lower clamping member to be disposed apart from each other between the upper clamping member and the lower clamping member.

According to an embodiment of the present invention, the airbag sewing device includes a table, the controllable sewing machine is disposed in the table, the fixing device is supported in the table, the table includes a movable platform and a fixed platform, the controllable sewing machine and the adjusting device are disposed in the fixed platform, the fixing device is supported in the movable platform, the sewing machine head of the controllable sewing machine is supported to a predetermined height from the fixed platform, and the fixed platform is formed with the sewing area, the movable platform includes a movable platform main body and at least one driving unit, the movable platform main body is drivably connected to the driving unit, the driving unit is controllably connected to the programmable controller, wherein the connecting piece supported on the upper clamping member of the movable platform main body is aligned to the adjusting device along with the movable platform main body is driven And the device is used for being fixed on the adjusting device.

According to an embodiment of the present invention, the adjusting device includes a connecting arm and an adjusting base, the adjusting base is implemented as a base movable in three axes, the connecting arm has a connecting end, the adjusting base is set in the table, the connecting arm is rotatably set in the adjusting base and is supported to a distance a predetermined height of the table, the adjusting base is controllably connected to the programmable controller, wherein the connecting end of the connecting arm is butt-jointed to the connecting piece from top to bottom.

According to the utility model discloses an embodiment, air bag's sewing machine includes an attitude detector, attitude detector is set up can detect and is fixed in fixing device treat make up air bag with whether relative position between the fixing device accords with predetermined benchmark value.

According to another aspect of the present invention, in order to achieve at least one of the above objects of the present invention, the present invention provides a method of operating an airbag sewing machine, wherein the method of operating the airbag sewing machine comprises the steps of:

butting a connecting arm of an adjusting device on a clamping piece for fixing an air bag to be sewn;

adjusting the peripheral edge to be sewn of the airbag to be sewn to a sewing area formed by a controllable sewing machine; and

the controllable sewing machine sews the peripheral edge to be sewn of the airbag to be sewn, which is located in the sewing area.

According to an embodiment of the present invention, a connecting arm of an adjusting device is butted against a holder for fixing an airbag to be sewn, including:

the air bag to be sewn is pressed against a connecting piece on the upper clamping component of the clamping piece from top to bottom, so that the air bag to be sewn is clamped in a clamping space between the upper clamping component and a lower clamping component of the clamping piece.

According to an embodiment of the present invention, the method of operating the sewing apparatus for an airbag includes the steps of:

and detecting whether the relative position between the airbag to be sewn and the clamping piece in the clamping space meets a preset reference value or not, and controlling the adjusting device to stop working when the relative position does not meet the preset reference value.

Drawings

Fig. 1 is a perspective view showing the overall structure of the sewing device of the airbag of the present invention.

Figure 2 shows a side view of the sewing apparatus of the airbag of the present invention.

Fig. 3 is a perspective view showing a partial structure of a sewing device of an airbag according to the present invention.

Fig. 4 shows a schematic view of a clamping member of the sewing device of the airbag of the present invention clamping an airbag to be sewn.

Figure 5 shows a perspective view of the clamp of the sewing device of the airbag of the invention.

Fig. 6 is a block diagram showing a structure of a sewing device portion of the airbag of the present invention.

Detailed Description

The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

An airbag sewing apparatus 100 according to the present invention will be described in detail below with reference to fig. 1 to 6 of the specification, wherein the airbag sewing apparatus 100 includes a controllable sewing machine 10, an adjusting device 20, and a fixing device 30. The controllable sewing machine 10 forms a sewing zone 101. The fixing device 30 is configured to fix at least one airbag 800 to be sewn, wherein the adjusting device 20 is configured to adjust different positions of the peripheral edge of the airbag 800 to be sewn corresponding to the sewing zones 101 by adjusting the fixing device 30, so that the peripheral edge of the airbag 800 to be sewn can be sewn by the controllable sewing machine 10.

The sewing device 100 of the airbag further comprises a programmable controller 40. The adjusting device 20 and the controllable sewing machine 10 are each controllably connected to the programmable controller 40. The programmable controller 40 can be preset with a control signal so that the programmable controller 30 can move according to the movement track corresponding to the set control signal.

It can be understood by those skilled in the art that when the sewing line formed at the peripheral edge of the airbag 800 to be sewn has a different shape after the airbag 800 to be sewn is fixed to the fixing device 30, the airbag formed correspondingly has a different shape after being inflated. The airbag 800 to be sewn is fixed to the fixing device 30, and when the peripheral edge of the airbag 800 to be sewn, which is adjusted by the adjusting device 20 and moved to the sewing region 101 with different moving tracks by the controllable sewing machine 10, is sewn, different shapes of sewing lines are formed on the peripheral edge of the airbag 800 to be sewn.

In other words, the operator may set the control signal in advance, and the sewing device 100 capable of controlling the airbag sews the airbag having a different shape under inflation.

The sewing apparatus 100 of the airbag includes a table 50. The controllable sewing machine 100 is provided to the table 50. The fixing device 30 is carried on the worktable 50 for being adjusted by the adjusting device 20 to the sewing area 101 for sewing.

In particular, the fixing device 30 comprises at least one clamping member 31 and a connecting member 32. The clamping member 31 includes an upper clamping member 311 and a lower clamping member 312. One side of the upper clamp member 311 is pivotally positionally fixedly connected to the lower clamp member 312. A clamping space 3101 is formed between the upper clamping member 311 and the lower clamping member 312 for accommodating the airbag 800 to be sewn. After the airbag 800 to be sewn is clamped in the clamping space 3101, the peripheral edge of the airbag 800 to be sewn is just exposed for sewing by the controllable sewing machine 10.

The connecting member 32 is disposed on the top surface of the upper clamping mechanism 311 for being connected to the adjusting device 20.

The controllable sewing machine 10 is fixed to the table 50, and forms the sewing region 101 on the table 50. The adjusting device 20 is installed on the workbench 50, and can be connected to the connecting member 32 of the fixing device 30 to drive the clamping member 31 to move according to a moving track corresponding to the preset control signal, so that the peripheral edge of the airbag 800 to be sewn clamped to the clamping member 31 moves to the sewing area 101. The controllable sewing machine 10 is controlled by the programmable controller 40 to automatically sew the peripheral edge of the airbag 800 to be sewn fed into the sewing zone 101. Preferably, the working platform 50 comprises a movable platform 51 and a fixed platform 52. The controllable sewing machine 10 and the adjusting device 20 are disposed on the fixed platform 52. The fixing device 30 is carried on the movable platform 51. The sewing head of the controllable sewing machine 10 is supported to a predetermined height from the fixed platform 52 to form the sewing region 101 on the fixed platform 52.

In a preferred embodiment of the present invention, the movable platform 51 comprises a movable platform main body 511 and at least one driving unit 512. The movable platform body 511 is drivably connected to the driving unit 512. The drive unit 512 is controllably connected to the programmable controller 40. The programmable controller 40 can drive the driving unit 512 and the adjusting device 20 in a coordinated manner so that the adjusting device 20 can be aligned and connected with the connecting member 32 on the movable platform body 511.

Preferably, the clamping member 31 includes a torsion spring 313. In the present invention, the upper clamping member 311 and the lower clamping member 312 are respectively provided in a sheet shape. The torsion spring 313 is disposed between the upper grip member 311 and the lower grip member 312 such that the upper grip member 311 and the lower grip member 312 tend to be separated from each other. As can be appreciated by those skilled in the art, since the upper clamp member 311 and the lower clamp member 312 are kept separated from each other, the clamping space 3101 is always kept at the maximum installation volume, thereby facilitating a worker to place the airbag 800 to be sewn in the clamping space 3101.

The connecting element 32 is configured as a connecting cylinder for the fixed connection of the adjusting device 20. The adjusting device 20 includes a connecting arm 21 and an adjusting base 22. The adjustment base 22 is provided to the table 50. The connecting arm 21 is rotatably provided to the adjustment base 22 and is supported to a predetermined height from the table 50. Preferably, the adjustment base 22 is implemented as a three-axis movable base. The adjustment base 22 is controllably connected to the programmable controller 40. It is understood that the adjustment base 22 may be implemented as a multi-joint electromechanical brake.

The connecting arm 21 has a connecting end 211. After the adjustment base 22 is activated by the programmable controller 40, the connecting end 211 of the connecting arm 21 presses the connecting element 32 of the fixing device 30 from top to bottom and keeps fixed with the connecting element 32. Subsequently, the clamping piece 31 of the fixing device 30 will move together with the connecting arm 21.

First, the airbag 800 to be sewn is held by the holding member 31 fixed to the connecting arm 21, and the airbag 800 to be sewn is moved to the sewing region 101. The clamping member 31 is driven by the connecting arm 21 to adjust the relative position of the peripheral edge of the airbag 800 to be sewn clamped to the clamping member 31 and the sewing region 101. The connecting arm 21 sequentially drives the peripheral edge of the airbag 800 to be sewn, which is not sewn, to the workbench 50 below the sewing head of the controllable sewing machine 10, so as to be sewn by the controllable sewing machine 10.

Specifically, the adjustment base 22 includes a lifting base 221 and a moving base 222. The elevating base 221 is mounted on the fixed platform 52. The movable base 222 is installed to the lifting base 221 to be lifted up and down, so that the connecting arm 21 can move up and down when the movable base 222 is lifted up and down. The movable base 222 includes a first movable base 2221, a second movable base 2222, a first base driving unit 2223, and a second base driving unit 2224. The first moving seat 2221 is swingably mounted on the top of the lifting seat 221 by the first seat driving unit 2223. The second movable holder 2222 is swingably mounted on the top of the first movable holder 2221 by the second holder driving unit 2224. The connecting arm 21 is disposed at the bottom of the second movement housing 2222, and the connecting end 211 of the connecting arm 21 faces downward toward the table 50.

Those skilled in the art will appreciate that the first housing driving unit 2223 and the second housing driving unit 2224 may be implemented to include a motor, a cylinder, etc. The present invention is not limited in this respect.

The lifting seat 221, the first seat driving unit 2223 and the second seat driving unit 2224 are respectively controllably connected to the programmable controller 40, so that the controllable controller 40 can control the lifting seat 221, the first moving seat 2221 and the second moving seat 2222 to move according to a moving track corresponding to the control signal.

As can be understood by those skilled in the art, the sewing device 100 of the airbag can be used to sew the airbag having different shapes after inflation because the peripheral edge of the airbag can be correspondingly sewn in advance by setting a corresponding control signal according to the shape of the airbag after inflation.

In addition, since the sewing device 100 of the airbag automatically positions and sews when sewing the airbag 800 to be sewn, and the sewing head of the controllable sewing machine does not need to move during sewing, the sewing device 100 of the airbag has high sewing accuracy, and the volume of the controllable sewing machine 10 in the whole sewing device 100 of the airbag can be reduced to a great extent.

Further, the sewing apparatus 100 of the airbag further includes a posture detector 60, wherein the posture detector 60 is provided to the table 50. Preferably, the attitude detector 60 is provided to the stationary platform 52. The posture detector 60 is provided to be able to detect whether or not the relative position between the airbag 800 to be sewn held by the holder 31 and the holder 31 meets a predetermined reference value.

It will be appreciated by those skilled in the art that the gesture detector 60 may be implemented as an optical sensor. The attitude sensor 60 is electrically connected to the programmable controller 40. When the posture detector 60 detects that the relative position between the airbag 800 to be sewn and the clamp 31 clamped in the clamping space 3101 of the clamp 31 does not conform to a predetermined reference value, a part of the peripheral edge of the airbag 800 to be sewn is not exposed or the exposed part does not conform to the reference value of sewing. Accordingly, the programmable controller 40 will automatically control the adjustment device 20 and the movable platform 51 to stop working.

Further, the sewing apparatus 100 of the airbag further includes an operating device 70, wherein the operating device 70 is electrically connected to the programmable controller 40. The operator can start and stop the programmable controller 40 by operating the operating device 70. The operating device 70 may be embodied as an operating handle, an operating display screen, or the like.

The sewing apparatus 100 of the airbag includes a frame 80, and the table 50 is mounted to the frame 80 such that the table 50 is supported to a predetermined height from the ground. The frame body 80 forms a window 801, wherein an operator can fix the airbag 800 to be sewn to the holding space 3101 of the holding member 31 through the window 801.

Preferably, the frame body 80 of the airbag sewing apparatus 100 is provided at the bottom thereof with a plurality of rollers 90, wherein the rollers are rotatably provided at the bottom of the frame body 80, so that an operator can move the entire airbag sewing apparatus 100.

According to another aspect of the present invention, the present invention also discloses a method of operating the sewing apparatus 100 for an airbag, wherein the method of operating the sewing apparatus 100 for an airbag comprises the steps of:

abutting the connecting arm 21 of the adjusting device 20 to the clamp 31 for fixing the airbag 800 to be sewn;

adjusting a peripheral edge to be sewn of the airbag 800 to be sewn to the sewing zone 101 formed by the controllable sewing machine 10; and

the controllable sewing machine 10 sews the peripheral edge to be sewn of the airbag 800 to be sewn at the sewing region 101.

Further, abutting the connecting arm 21 of the adjusting device 20 to the clamp 31 for fixing the airbag 800 to be sewn includes:

the connecting piece 32 on the upper clamping member 311 of the clamping piece 31 is pressed from top to bottom, so that the airbag 800 to be sewn is clamped in the clamping space 3101 between the upper clamping member 311 and the lower clamping member 312.

The operation method of the sewing device 100 for an airbag includes the steps of:

detecting whether the relative position between the airbag 800 to be sewn and the clamp 31 in the clamping space 3101 meets a predetermined reference value, and controlling the adjusting device to stop working if the relative position does not meet the reference value.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. An airbag sewing apparatus for sewing at least an airbag to be sewn, wherein the airbag sewing apparatus comprises:

2. An airbag sewing apparatus according to claim 1 wherein the airbag sewing apparatus includes a programmable controller to which the adjustment means and the controllable sewing machine are respectively controllably connected.

3. The sewing apparatus for an airbag according to claim 2, wherein the fixing means comprises at least one of a clamp and a connector, wherein the clamp comprises an upper clamp member and a lower clamp member, one side of the upper clamp member is pivotally and fixedly connected to the lower clamp member to form a clamping space between the upper clamp member and the lower clamp member for clamping the airbag to be sewn, wherein the connector is provided on a top portion of the upper clamp member, and wherein the adjusting means is connected to the connector after being controlled by the programmable controller.

4. The sewing device of an airbag according to claim 3, wherein the clamp includes a torsion spring configured to urge the upper clamp member and the lower clamp member to be disposed between the upper clamp member and the lower clamp member apart from each other.

5. The airbag sewing apparatus according to claim 3 or 4, wherein the airbag sewing apparatus includes a table on which the controllable sewing machine is provided, the fixing device being carried on the table, the table including a movable table and a fixed table on which the controllable sewing machine and the adjusting device are provided, the fixing device being carried on the movable table, the sewing machine head of the controllable sewing machine being supported to a predetermined height from the fixed table and forming the sewing zone on the fixed table, the movable table including a movable table main body and at least one driving unit, the movable table main body being drivably connected to the driving unit, the driving unit being controllably connected to the programmable controller, wherein the connector carried on the upper clamp member of the movable table main body follows the movable table main body Is driven to be aligned with the adjusting device and is fixed on the adjusting device.

6. The sewing device of an airbag according to claim 5, wherein the adjusting means includes a connecting arm and an adjusting base, the adjusting base is implemented as a base movable in three axes, the connecting arm has a connecting end, the adjusting base is provided to the table, the connecting arm is rotatably provided to the adjusting base and supported to a predetermined height from the table, the adjusting base is controllably connected to the programmable controller, wherein the connecting end of the connecting arm is butted against the connecting member from top to bottom.

7. The sewing device of an airbag according to claim 6, wherein the adjustment base includes a lifting base and a plane moving base, the lifting seat is arranged on the fixed platform, the plane moving seat is arranged on the lifting seat in a lifting way, the plane moving seat comprises a first moving seat body, a second moving seat body, a first seat body driving unit and a second seat body driving unit, the first movable seat body is swingably mounted on the top of the lifting seat by the first seat body driving unit, the second movable seat is swingably mounted on the top of the first movable seat by the second seat driving unit, the connecting arm is disposed at a bottom of the second movable base, and the lifting base, the first base driving unit and the second base driving unit are respectively controllably connected to the programmable controller.

8. The airbag sewing apparatus according to claim 7, wherein the airbag sewing apparatus includes an operating device, wherein the operating device is electrically connected to the programmable controller.

9. The sewing apparatus of an airbag according to claim 8, wherein the sewing apparatus of an airbag includes a frame body, the table is mounted to the frame body and supported to a predetermined height from the ground, and wherein the operating device is mounted to the frame body.

10. The sewing device of an airbag according to claim 1, wherein the sewing device of an airbag includes a posture detector provided to be able to detect whether a relative position between the airbag to be sewn fixed to the fixing means and the fixing means meets a predetermined reference value.