CN112658117B - Processing technology of air guide sleeve for safety airbag - Google Patents
Processing technology of air guide sleeve for safety airbag Download PDFInfo
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- CN112658117B CN112658117B CN202011566372.2A CN202011566372A CN112658117B CN 112658117 B CN112658117 B CN 112658117B CN 202011566372 A CN202011566372 A CN 202011566372A CN 112658117 B CN112658117 B CN 112658117B
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Abstract
The invention relates to the technical field of safety airbag component processing, in particular to a processing technology of a flow guide cover for a safety airbag; the method comprises the following steps: selecting a circular metal plate with proper thickness, and inwards stretching along the circle center to stretch a cover plate main body and a top cover; step two: bending the bottom of the cover plate main body to form a main plate of the connecting seat; the connecting seat is used for being connected with an air outlet mechanism of the safety air bag; step three: setting a pre-cut according to the allowance size on the main board of the connecting seat, and positioning and shaping; step four: side punching is carried out on the cover plate main body, and a plurality of air outlet holes are formed; the air outlet is used for being communicated with a bag body air path of the safety air bag; step five: trimming along the pre-cut, and adjusting the size of the main board of the connecting seat; the invention aims to provide a processing technology of a flow guide cover for an air bag, aiming at the defects in the prior art, and the stability is improved.
Description
Technical Field
The invention relates to the technical field of airbag part processing, in particular to a processing technology of a flow guide cover for an airbag.
Background
An auxiliary occupant protection System (SRS), also called an airbag, is equipped for the current safety of a vehicle, and when a collision accident occurs to the vehicle, the SRS inflates the airbag in a short time by rapidly inflating the airbag, so as to ensure that an occupant gets a buffer space during the collision and reduce the injury caused by the collision.
At present, an inflating device used by an automobile safety airbag generates high-temperature and high-pressure gas by igniting gas generating tablets, the high-temperature and high-pressure gas is mixed with low-temperature and high-pressure gas in a gas cylinder and then is guided into the safety airbag, and a flow guide cover is required to be arranged between the safety airbag and the gas cylinder for flow guide.
The air guide sleeve in the prior art usually adopts a machining process mode of welding after stamping, so that the welding position of the air guide sleeve is easily damaged in the using process to cause danger, and meanwhile, the machining process is complicated and the production efficiency is low.
In view of the above problems, the present designer is based on practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is engaged with the application of scholars, and researches and innovations are actively made, so as to design the processing technology of the air guide sleeve for the safety airbag, and the integrated forming technology is adopted, so that the processing flow is simplified, the production efficiency is improved, the strength of the product is improved, and the air guide sleeve is not easy to damage and has better safety.
Disclosure of Invention
The invention aims to provide a processing technology of a flow guide cover for an air bag, aiming at the defects in the prior art, and the processing technology adopts an integrated forming technology, so that the processing flow is simplified, the production efficiency is improved, the strength of a product is improved, the product is not easy to damage, and the safety is better.
In order to achieve the purpose, the invention adopts the technical scheme that:
the method comprises the following steps:
the method comprises the following steps: selecting a circular metal plate with proper thickness, and inwards stretching along the circle center to stretch a cover plate main body and a top cover;
step two: bending the bottom of the cover plate main body to form a main plate of the connecting seat; the connecting seat is used for being connected with an air outlet mechanism of the safety air bag;
step three: setting a pre-cut on a main board of the connecting seat according to the allowance size, and positioning and shaping;
step four: side punching is carried out on the cover plate main body, and a plurality of air outlet holes are formed; the air outlet is used for being communicated with a bag body air passage of the safety air bag;
step five: trimming along the pre-cut, and adjusting the size of the main board of the connecting seat;
step six: flanging the main board of the connecting seat inwards to form a main board of the locking tooth;
step seven: bending the middle part of the main board of the locking tooth inwards to enable the locking tooth to be abutted against an air outlet mechanism of the safety air bag for fixing and locking;
step eight: and (5) shaping, and performing quality detection by adopting ultrasonic flaw detection.
Furthermore, after the mainboard of the connecting seat is formed in the second step, levelness correction is carried out on the mainboard of the connecting seat.
Further, the air outlet holes in the fourth step are uniformly distributed on the cover plate main body.
Furthermore, the air outlet holes are arranged in a plurality of rows in a staggered manner, and the air outlet holes in each row are staggered with each other, so that the gas entering the bag body of the safety air bag is uniformly dispersed to four sides.
Further, before the flanging treatment in the sixth step, small-amplitude pre-flanging treatment is performed according to the size of the air outlet mechanism of the air bag.
Furthermore, a connecting thread is arranged at the matching position of the locking tooth and the air outlet mechanism of the safety air bag.
Further, an air cavity is arranged inside the cover plate main body; the air cavity discharges the internal air from the air outlet hole and enters the airbag body of the safety airbag; the air cavity comprises an air inlet; the air inlet is communicated with the air outlet mechanism of the safety air bag.
Further, the air cavity further comprises a buffer area; the buffer area is arranged between the air inlet and the air outlet.
Furthermore, a streamline air groove is formed in the end portion of the buffer area, and air flow entering the air outlet hole is buffered.
Further, a protection plate is arranged at the joint of the top cover and the cover plate main body; the protection shield is the arc structure of buckling.
Through the technical scheme of the invention, the following technical effects can be realized:
by adopting the integrated forming technology, the processing flow is simplified, the production efficiency is improved, the strength of the product is improved, and the product is not easy to damage and has higher safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also possible for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a plate material of a processing technology of a deflector for an airbag according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the process of manufacturing the air guide sleeve for an airbag according to the embodiment of the present invention while being stretched;
FIG. 3 is a schematic diagram of a main plate of a connecting seat formed by bending according to a processing technique of a dome for an airbag in an embodiment of the present invention;
fig. 4 is a schematic view of the airbag deflector according to the embodiment of the present invention after bending is completed;
FIG. 5 is a schematic diagram of a pre-cut structure of a process for manufacturing a deflector for an airbag according to an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of an air outlet of the airbag deflector according to the embodiment of the present invention;
FIG. 7 is a cut-away schematic view of a process for manufacturing a pod for an airbag according to an embodiment of the present invention;
FIG. 8 is a schematic view of a pre-cuff of the process for manufacturing the air guide sleeve for an airbag according to the embodiment of the present invention;
FIG. 9 is a schematic view showing a cuff of an airbag according to the process of manufacturing the air guide sleeve of the embodiment of the present invention;
fig. 10 is a schematic view illustrating a central portion of a main plate of a locking tooth bent inward according to a process of manufacturing a deflector for an airbag according to an embodiment of the present invention;
FIG. 11 is a schematic view showing a finished product of a process for manufacturing a deflector for an airbag according to an embodiment of the present invention;
fig. 12 is an internal structural view of a finished product of a process for manufacturing a deflector for an airbag in an embodiment of the present invention;
reference numerals are as follows: the cover plate comprises a cover plate main body 1, a top cover 2, an air outlet hole 3, a connecting seat 4, a connecting thread 5, an air cavity 6, a precut 7, a protective plate 21, a locking tooth 41, an air inlet 61 and a buffer area 62.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A processing technology of a diversion cover for an air bag is disclosed, as shown in figures 1 to 12,
the method comprises the following steps:
the method comprises the following steps: selecting a circular metal plate with proper thickness, and drawing inwards along the circle center to draw a cover plate main body 1 and a top cover 2;
step two: bending the bottom of the cover plate main body 1 to form a main plate of the connecting seat 4; the connecting seat 4 is used for being connected with an air outlet mechanism of the safety air bag;
step three: a pre-cut 7 is arranged on the main board of the connecting seat 4 according to the allowance size for positioning and shaping;
step four: side punching is carried out on the cover plate main body 1, and a plurality of air outlet holes 3 are formed; the air outlet 3 is used for being communicated with a bag body air passage of the safety air bag;
step five: trimming is carried out along the pre-cut 7, and the size of the main board of the connecting seat 4 is adjusted;
step six: flanging the main board of the connecting seat 4 inwards to form a main board of the locking tooth 41;
step seven: bending the middle part of the main board of the locking tooth 41 inwards to enable the locking tooth 41 to abut against an air outlet mechanism of the safety airbag to be fixed and locked;
step eight: and (5) shaping treatment and quality detection by adopting ultrasonic flaw detection.
Specifically, a circular metal plate is adopted, and the machining process is simplified and the production efficiency is improved in an integrated forming mode. Firstly, drawing a circular metal plate inwards along the circle center to draw a cover plate main body 1 and a top cover 2, then bending the bottom of the cover plate main body 1 to slightly fold out a main plate of a connecting seat 4, arranging a pre-cut 7 on the connecting seat 4 according to the size of an air outlet mechanism of the airbag, then punching the side of the cover plate main body 1 to form a plurality of air outlet holes 3, then cutting edges along the pre-cut 7, and adjusting the size of the main plate of the connecting seat 4; in order to lock the air outlet mechanism of the safety air bag, the main board of the connecting seat 4 needs to be flanged inwards to form the main board of the locking tooth 41, and finally the main board is shaped and processed, and the quality detection is carried out by adopting ultrasonic flaw detection.
As a preferred example of the above embodiment, as shown in fig. 1 to 12, after the main board of the connecting socket 4 is formed in the second step, levelness calibration is performed on the main board of the connecting socket 4.
As a preferable example of the above embodiment, as shown in fig. 1 to 12, the air outlet holes 3 in the fourth step are uniformly distributed on the mask main body 1.
As shown in fig. 1 to 12, preferably, the air outlet holes 3 are arranged in a plurality of staggered rows, and each row of the air outlet holes 3 is staggered with respect to each other, so that the gas entering the bag body of the airbag is uniformly diffused in four directions.
Specifically, set up a plurality of ventholes 3 on cover plate main part 1, divide into the crisscross setting of a plurality of rows with venthole 3, each row dislocation each other between the venthole 3 for the gaseous of entering air bag's utricule evenly disperses to the four sides, and the effectual emergence that prevents the too fast too big condition of air current has guaranteed safety when improving stability.
As shown in fig. 1 to 12, before the flanging process in the sixth step, a small-scale pre-flanging process is performed according to the size of the air outlet mechanism of the airbag.
Specifically, the small-amplitude pre-flanging treatment is performed firstly, so that the subsequent size modification is facilitated, and the precision of the connecting seat 4 is ensured.
As shown in fig. 1 to 12, a connection thread 5 is preferably provided at a matching position of the locking tooth 41 and the air outlet mechanism of the airbag.
As a preferred example of the above embodiment, as shown in fig. 1 to 12, an air cavity 6 is provided inside the cover plate main body 1; the air cavity 6 discharges the internal air from the air outlet 3 and enters the airbag body of the safety airbag; the air cavity 6 comprises an air inlet 61; the air inlet 61 is communicated with an air outlet mechanism connecting air passage of the safety air bag.
As a preference of the above embodiment, as shown in fig. 1 to 12, the air cavity 6 further includes a buffer area 62; the buffer zone 62 is disposed between the inlet 61 and the outlet 3.
As a preferred example of the above embodiment, as shown in fig. 1 to 12, a streamline air groove is disposed at an end of the buffer area 62 to buffer the air flow entering the air outlet 3.
Specifically, the end of the buffer area 62 is provided with a streamline air groove, so that the airflow slides along the streamline air groove and then enters the air outlet 3, the airflow path is extended, and the buffer is realized.
As a preferable example of the above embodiment, as shown in fig. 1 to 12, a protective plate 21 is provided at a connection portion of the top cover 2 and the cover plate main body 1; the protection plate 21 has a bent arc structure.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A processing technology of a flow guide cover for an air bag is characterized by comprising the following steps:
the method comprises the following steps: selecting a circular metal plate with proper thickness, and drawing inwards along the circle center to draw a cover plate main body (1) and a top cover (2);
step two: bending the bottom of the cover plate main body (1) to form a main plate of the connecting seat (4); the connecting seat (4) is used for being connected with an air outlet mechanism of the safety air bag;
step three: a pre-cut (7) is arranged on the main board of the connecting seat (4) according to the allowance size, and positioning and shaping are carried out;
step four: performing side punching on the cover plate main body (1) and forming a plurality of air outlet holes (3); the air outlet (3) is used for being communicated with a bag body air passage of the safety air bag;
step five: trimming is carried out along the pre-cut (7), and the size of the main board of the connecting seat (4) is adjusted;
step six: flanging the main board of the connecting seat (4) inwards to form a main board of a locking tooth (41);
step seven: bending the middle part of the main plate of the locking tooth (41) inwards to enable the locking tooth (41) to be abutted against an air outlet mechanism of the air bag for fixing and locking;
step eight: and (5) shaping treatment and quality detection by adopting ultrasonic flaw detection.
2. The processing technology of the air guide sleeve for the air bag according to claim 1, wherein after the main plate of the connecting seat (4) is formed in the second step, levelness correction is performed on the main plate of the connecting seat (4).
3. The process for manufacturing a deflector for an airbag according to claim 1, wherein the vent holes (3) in the fourth step are uniformly distributed on the panel body (1).
4. The manufacturing process of the air guide sleeve for the safety airbag according to claim 3, wherein the air outlet holes (3) are arranged in a plurality of staggered rows, and the air outlet holes (3) in each row are staggered with each other, so that the air entering the bag body of the safety airbag is uniformly dispersed to four sides.
5. The process for processing the air guide sleeve for the air bag according to claim 1, wherein before the flanging treatment in the sixth step, a small-amplitude pre-flanging treatment is performed according to the size of an air outlet mechanism of the air bag.
6. The processing technology of the air guide sleeve for the safety airbag is characterized in that a connecting thread (5) is arranged at the matching part of the locking tooth (41) and an air outlet mechanism of the safety airbag.
7. The process for manufacturing the air guide sleeve for the air bag according to claim 1, wherein an air cavity (6) is arranged inside the cover plate main body (1); the air cavity (6) discharges the internal air from the air outlet (3) and enters the airbag body of the safety airbag; the air cavity (6) comprises an air inlet (61); and the air inlet (61) is communicated with an air outlet mechanism connecting air passage of the safety air bag.
8. The process for manufacturing a pod for an airbag according to claim 7, wherein the air chamber (6) further comprises a buffer area (62); the buffer area (62) is arranged between the air inlet (61) and the air outlet (3).
9. The process for manufacturing the air guide sleeve for the air bag according to claim 8, wherein a streamline air groove is formed at the end of the buffer area (62) to buffer the air flow entering the air outlet hole (3).
10. The processing technology of the air guide sleeve for the air bag according to the claim 1 is characterized in that a protective plate (21) is arranged at the joint of the top cover (2) and the cover plate main body (1); the protection plate (21) is of a bent arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011566372.2A CN112658117B (en) | 2020-12-25 | 2020-12-25 | Processing technology of air guide sleeve for safety airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011566372.2A CN112658117B (en) | 2020-12-25 | 2020-12-25 | Processing technology of air guide sleeve for safety airbag |
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| Publication Number | Publication Date |
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| CN112658117A CN112658117A (en) | 2021-04-16 |
| CN112658117B true CN112658117B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011566372.2A Active CN112658117B (en) | 2020-12-25 | 2020-12-25 | Processing technology of air guide sleeve for safety airbag |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114226538B (en) * | 2021-12-27 | 2024-04-26 | 江苏浩峰汽车附件有限公司 | Air bag guide sleeve and forming method thereof |
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| CN104815923A (en) * | 2015-04-28 | 2015-08-05 | 中山鑫辉精密技术股份有限公司 | Stamping procedure for automobile seal cover |
| JP2015208769A (en) * | 2014-04-28 | 2015-11-24 | 日立オートモティブシステムズ株式会社 | Manufacturing method for metal member |
| CN106734725A (en) * | 2016-12-28 | 2017-05-31 | 江苏浩峰汽车附件有限公司 | A kind of production technology of air bag medicine glass |
| CN107600027A (en) * | 2017-09-08 | 2018-01-19 | 常州工利精机科技有限公司 | Suitable for the gas generator assembly of safe automobile air bag |
| CN109664857A (en) * | 2018-12-26 | 2019-04-23 | 宁波保税区艾尔希汽车有限公司 | A kind of hybrid gas generator for side air bag |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4476913B2 (en) * | 2004-12-13 | 2010-06-09 | ジヤトコ株式会社 | Method and apparatus for forming cup-shaped member |
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- 2020-12-25 CN CN202011566372.2A patent/CN112658117B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015208769A (en) * | 2014-04-28 | 2015-11-24 | 日立オートモティブシステムズ株式会社 | Manufacturing method for metal member |
| CN104815923A (en) * | 2015-04-28 | 2015-08-05 | 中山鑫辉精密技术股份有限公司 | Stamping procedure for automobile seal cover |
| CN106734725A (en) * | 2016-12-28 | 2017-05-31 | 江苏浩峰汽车附件有限公司 | A kind of production technology of air bag medicine glass |
| CN107600027A (en) * | 2017-09-08 | 2018-01-19 | 常州工利精机科技有限公司 | Suitable for the gas generator assembly of safe automobile air bag |
| CN109664857A (en) * | 2018-12-26 | 2019-04-23 | 宁波保税区艾尔希汽车有限公司 | A kind of hybrid gas generator for side air bag |
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| CN112658117A (en) | 2021-04-16 |
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