CN201036798Y - Gas generating device closing in device - Google Patents

Gas generating device closing in device Download PDF

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Publication number
CN201036798Y
CN201036798Y CNU2007201196240U CN200720119624U CN201036798Y CN 201036798 Y CN201036798 Y CN 201036798Y CN U2007201196240 U CNU2007201196240 U CN U2007201196240U CN 200720119624 U CN200720119624 U CN 200720119624U CN 201036798 Y CN201036798 Y CN 201036798Y
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CN
China
Prior art keywords
gas generator
die
padding plate
closing
little
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2007201196240U
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Chinese (zh)
Inventor
杨权
师高伟
胡青林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
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BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CNU2007201196240U priority Critical patent/CN201036798Y/en
Application granted granted Critical
Publication of CN201036798Y publication Critical patent/CN201036798Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a mouth device of a gas generator, a middle upper base plate and a small upper base plate are in turn and fixedly connected with a big upper base plate; a middle lower base plate and a small lower base plate are in turn and fixedly with a big lower base plate; the small base plate is fixedly provided with a jig which can locate the gas generator; an upper die mold is provided with a first receiving cavity, a second receiving cavity and a third receiving cavity which are of a shape of frustum of a cone; the angles of the three receiving cavities are respectively 45 degrees, 90 degrees and 150 degrees; the center lines of the three receiving cavities are on the same plane; the upper die mold can be movably fixed on the small upper base plate, one end of the upper die mold is fixedly connected with a piston rod of a pressure cylinder fixed on the small upper base plate or the middle upper base plate; driven by the pressure cylinder, the three receiving cavities of the upper die mold can respectively correspond to the mouth positions of the gas generator positioned on the jig. Therefore, three times of mouth forming of the gas generator can be realized without changing the upper die mold, which improves the production efficiency greatly.

Description

A kind of gas generator closing device
Technical field
The utility model relates to a kind of gas generator process equipment, relates in particular to a kind of gas generator closing device.
Background technology
Gas generator is very important parts in the safe automobile air bag, and its primary structure is made up of metal shell and gunpowder, needs after when assembling, gunpowder was put into metal shell the housing processing of closing up.Therefore, in the gas generator process, wherein closing in processing is the also operation of danger close of a key, and when temperature or pressure reached certain value, gunpowder will explode.The closing in of gas generator processing is generally carried out on hydraulic press, is fixed with big upper padding plate on the piston rod of hydraulic press, upper padding plate and little upper padding plate in this big upper padding plate is fixing successively, fixing top die on this little upper padding plate; On the workbench of hydraulic press, be fixed with big lower bolster, fixing successively middle lower bolster and little lower bolster on this big lower bolster, but this little lower bolster is fixed with the tool of locating gas generator.In order to reach good closing in molding effect, successively with having the top die that angle is 150 °, 90 °, 45 ° circular cone shape host cavities, through three closing in moulding.The top die of existing three angles is separate, and in the closing in process, three different top dies are the replacings that do not stop by the workman, and production efficiency is low; Also will proofread and correct then, deviation occurs if place, after top die was depressed, gas generator will be scrapped even explode, and the workman can not separate fully with gas generator when working, and workman's safety can not get effective guarantor.
The utility model content
The utility model purpose promptly is to provide a kind of gas generator closing device that pressing mold just can be realized three closing in moulding to gas generator that need not replace with.
The purpose of this utility model is achieved through the following technical solutions:
A kind of gas generator closing device of the utility model comprises big upper padding plate, the top die on the piston rod that is fixedly connected on hydraulic press and is fixedly connected on big lower bolster on the workbench of hydraulic press; Upper padding plate and little upper padding plate in being fixedly connected sequentially on this big upper padding plate; Lower bolster and little lower bolster in being fixedly connected sequentially on this big lower bolster, but be fixed with the tool of locating gas generator on this little lower bolster, wherein, offer angle on the described top die and be respectively first, second and third host cavity of 45 °, 90 °, 150 ° circular cone shape, the center line of this first, second and third host cavity at grade; This top die is fixed on the described little upper padding plate slidably, and the one end is fixedly connected on the piston rod that is fixed on the pressure cylinder on this little upper padding plate or this middle upper padding plate; First, second and third host cavity of this top die can be respectively under the driving of this pressure cylinder be positioned at described tool on the gas generator mouth position corresponding.
In above-mentioned basis, wherein:
Be fixedly connected with guide rail on the described little upper padding plate, offer on the described top die and the corresponding chute of this guide rail, this slides the plane parallel at the center line place of poor and described first, second and third host cavity.
The cross section of described guide rail is the T font.
Described pressure cylinder is provided with first, second and third magnetic induction switch, this first, second and third magnetic induction switch can make the piston rod of described pressure cylinder flexible and stop respectively so that this first, second and third host cavity respectively be positioned at described tool on the gas generator mouth position corresponding.
It also comprises Programmable Logic Controller and the photoelectric sensor switch that is electrically connected with this Programmable Logic Controller; Described first, second and third magnetic induction switch is electrically connected with this Programmable Logic Controller; This photoelectric sensor switch is arranged on a side of described tool, and the signal that Programmable Logic Controller is sensed described top die punching press gas generator oral area and return according to this photoelectric sensor switch is controlled the conducting and the disconnection of this first, second and third magnetic induction switch respectively.
The piston rod that described Programmable Logic Controller is sensed the signal controlling hydraulic press of described top die punching press gas generator oral area according to described photoelectric sensor switch stops to stretch out and return; And this Programmable Logic Controller stretches out according to the piston rod of the signal controlling hydraulic press that described first, second and third magnetic induction switch disconnects.
Be fixed with limited post on the described little lower bolster, the height of this limited post makes the pressure of described top die punching press gas generator oral area be no more than safe pressure.
The one side that contacts with the people at hydraulic press is equipped with a sliding door, and this sliding door is pulled on when hydraulic press is worked, and can push this sliding door open when changing workpiece.
The bottom of described tool is provided with permanent magnet.
The utility model compared with prior art, because a kind of gas generator closing device of the utility model, owing to offer first, second and third host cavity that angle is respectively 45 °, 90 °, 150 ° circular cone shape on top die, the center line of first, second and third host cavity at grade; Top die is fixed on the little upper padding plate slidably, and the one end is fixedly connected on the piston rod that is fixed on the pressure cylinder on this little upper padding plate or this middle upper padding plate; First, second and third host cavity of this top die can be respectively under the driving of this pressure cylinder be positioned at described tool on the gas generator mouth position corresponding.Therefore, need not replace with pressing mold and just can realize three closing in moulding, improve production efficiency greatly gas generator.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the generalized section of a kind of gas generator closing device of the utility model.
Fig. 2 is that schematic diagram is looked on the left side of a kind of gas generator closing device of the utility model.
Fig. 3 is that the A-A of Fig. 2 is to generalized section.
Fig. 4 be a kind of gas generator closing device of the utility model the left side of guide rail look schematic diagram.
The specific embodiment
See also Fig. 1, a kind of gas generator closing device of the utility model comprises big upper padding plate 8, middle upper padding plate 9, little upper padding plate 10, guide rail 11, top die 12, pressure cylinder 5, first, second and third magnetic induction switch 51,52,53, limited post 4, tool 13, little lower bolster 3, middle lower bolster 2 and big lower bolster 1.
Big upper padding plate 8 is fixedly connected on the piston rod of hydraulic press, and hydraulic press adopts common 50T four-column hydraulic press.Middle upper padding plate 9 and little upper padding plate 10 are fixedly connected sequentially at this big upper padding plate 8; Be fixedly connected with guide rail 11 on this little upper padding plate 10, as shown in Figure 4, the cross section of this guide rail 11 is the T font.As shown in Figures 2 and 3, offer the guide rail 11 corresponding T font chutes 20 with this T font on the top die 12, this top die 12 is connected on the guide rail 11 of this T font slidably; One end of top die 12 offers and connects screw 25; Offer angle on this top die and be respectively first, second and third host cavity 21,22,23 of 45 °, 90 °, 150 ° circular cone shape, the center line of this first, second and third host cavity 21,22,23 at grade; The plane parallel at the center line place of this chute 20 and first, second and third host cavity 21,22,23; Add man-hour in the closing in of carrying out gas generator, angle was the oral area of 150 ° the 3rd host cavity 23 punching press gas generators before this, be the oral area of 90 ° second host cavity, 22 further punching press gas generators then with angle, finish oral area punching press to gas generator with first host cavity 21 that with angle is 45 ° at last, the closing in operation is finished.
See also Fig. 1 again, on the upper padding plate 9 of an end that is arranged in guide rail 11, be fixed with pressure cylinder installing rack 7, be fixedly connected with pressure cylinder 5 on this pressure cylinder installing rack 7, the piston rod of this pressure cylinder 5 is screwed onto in the connection screw 25 that is opened in top die 12 1 ends, and this pressure cylinder 5 can drive this top die 12 and slide along guide rail 11.This pressure cylinder 5 is provided with first, two, three magnetic induction switches 51,52,53, first, two, three magnetic induction switches 51,52,53 are electrically connected with the Programmable Logic Controller (not shown), this Programmable Logic Controller can according to the signal that the photoelectric sensor switch of mentioning is later sensed top die 12 punching press gas generator oral areas and return control respectively this first, two, three magnetic induction switches 51,52,53 conducting and disconnection, thereby the piston rod of controlled pressure cylinder 5 stretches and stops, so that first, two, three host cavities 21,22,23 respectively be positioned at described tool 13 on the gas generator mouth position corresponding, to realize the closing in punching operation.Certainly, this pressure cylinder installing rack 7 also can be fixedly connected on and be fixed on the little upper padding plate 11.
Be provided with the photoelectric sensor switch (not shown) of the signal that can respond to top die 12 punching press gas generator oral areas and return in a side of tool 13, this photoelectric sensor switch is given Programmable Logic Controller with the signal feedback of sensing.The piston rod that Programmable Logic Controller is sensed the signal controlling hydraulic press of described top die 12 punching press gas generator oral areas according to photoelectric sensor switch stops to stretch out and return; And this Programmable Logic Controller stretches out according to the piston rod of the signal controlling hydraulic press of the disconnection of described first, second and third magnetic induction switch 51,52,53.
Lower bolster 2 and little lower bolster 3 in being fixedly connected sequentially on the big lower bolster 1, but be fixed with the tool 13 of locating gas generator on this little lower bolster 3.Set off an explosion in order to prevent that pressure is excessive, be fixed with limited post 4 on little lower bolster 3, the height of this limited post 4 makes the pressure of top die 12 punching press gas generator oral areas be no more than safe pressure.Take up when preventing that gas generator is by top die 12 backhauls in the closing in process, at the bottom of tool 13 fixed permanent magnet 14.Blast in the process and injure the operative employee, the one side that contacts with the people at hydraulic press is equipped with a sliding door, and this sliding door is pulled on when hydraulic press is worked, and can push this sliding door open when changing workpiece, with protection operator's safety.

Claims (9)

1. gas generator closing device comprises big upper padding plate, the top die on the piston rod that is fixedly connected on hydraulic press and is fixedly connected on big lower bolster on the workbench of hydraulic press; Upper padding plate and little upper padding plate in being fixedly connected sequentially on this big upper padding plate; Lower bolster and little lower bolster in being fixedly connected sequentially on this big lower bolster, but be fixed with the tool of locating gas generator on this little lower bolster, it is characterized in that: offer first, second and third host cavity that angle is respectively 45 °, 90 °, 150 ° circular cone shape on the described top die, the center line of this first, second and third host cavity at grade; This top die is fixed on the described little upper padding plate slidably, and the one end is fixedly connected on the piston rod that is fixed on the pressure cylinder on this little upper padding plate or this middle upper padding plate; First, second and third host cavity of this top die can be respectively under the driving of this pressure cylinder be positioned at described tool on the gas generator mouth position corresponding.
2. a kind of gas generator closing device according to claim 1, it is characterized in that: be fixedly connected with guide rail on the described little upper padding plate, offer and the corresponding chute of this guide rail the plane parallel at the center line place of this chute and described first, second and third host cavity on the described top die.
3. a kind of gas generator closing device according to claim 2, it is characterized in that: the cross section of described guide rail is the T font.
4. a kind of gas generator closing device according to claim 1, it is characterized in that: described pressure cylinder is provided with first, second and third magnetic induction switch, this first, second and third magnetic induction switch can make the piston rod of described pressure cylinder flexible and stop respectively so that this first, second and third host cavity respectively be positioned at described tool on the gas generator mouth position corresponding.
5. a kind of gas generator closing device according to claim 4 is characterized in that: it also comprises Programmable Logic Controller and the photoelectric sensor switch that is electrically connected with this Programmable Logic Controller; Described first, second and third magnetic induction switch is electrically connected with this Programmable Logic Controller; This photoelectric sensor switch is arranged on a side of described tool, and the signal that Programmable Logic Controller is sensed described top die punching press gas generator oral area and return according to this photoelectric sensor switch is controlled the conducting and the disconnection of this first, second and third magnetic induction switch respectively.
6. a kind of gas generator closing device according to claim 5 is characterized in that: the piston rod that described Programmable Logic Controller is sensed the signal controlling hydraulic press of described top die punching press gas generator oral area according to described photoelectric sensor switch stops to stretch out and return; And this Programmable Logic Controller stretches out according to the piston rod of the signal controlling hydraulic press that described first, second and third magnetic induction switch disconnects.
7. according to each described a kind of gas generator closing device in the claim 1 to 6, it is characterized in that: be fixed with limited post on the described little lower bolster, the height of this limited post makes the pressure of described top die punching press gas generator oral area be no more than safe pressure.
8. according to each described a kind of gas generator closing device in the claim 1 to 5, it is characterized in that: the one side that contacts with the people at hydraulic press is equipped with a sliding door, and this sliding door is pulled on when hydraulic press is worked, and can push this sliding door open when changing workpiece.
9. according to each described a kind of gas generator closing device in the claim 1 to 5, it is characterized in that: the bottom of described tool is provided with permanent magnet.
CNU2007201196240U 2007-04-18 2007-04-18 Gas generating device closing in device Expired - Lifetime CN201036798Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201196240U CN201036798Y (en) 2007-04-18 2007-04-18 Gas generating device closing in device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201196240U CN201036798Y (en) 2007-04-18 2007-04-18 Gas generating device closing in device

Publications (1)

Publication Number Publication Date
CN201036798Y true CN201036798Y (en) 2008-03-19

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317034A (en) * 2012-03-19 2013-09-25 沈阳飞机工业(集团)有限公司 Bushing closing-up processing method
CN104647038A (en) * 2015-01-05 2015-05-27 河南科技大学 Compound plastic forming equipment, die transposition mechanism thereof and positioning method for die transposition mechanism
CN104785665A (en) * 2014-01-16 2015-07-22 大连新钢液压管件有限公司 High-efficiency closing compactor at filter bowl filter screen end of vehicle engine oil strainer
CN106270279A (en) * 2016-08-18 2017-01-04 陕西庆华汽车安全系统有限公司 A kind of gas generator shaped device and forming method
CN108188232A (en) * 2018-01-09 2018-06-22 伟业精密科技(惠州)有限公司 Air-cushion inflator drawing closing in moulding process
CN108213141A (en) * 2017-12-07 2018-06-29 中国航发贵州黎阳航空动力有限公司 A kind of manual flange closing in tool of the band limiting of micro parts

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317034A (en) * 2012-03-19 2013-09-25 沈阳飞机工业(集团)有限公司 Bushing closing-up processing method
CN103317034B (en) * 2012-03-19 2015-05-20 沈阳飞机工业(集团)有限公司 Bushing closing-up processing method
CN104785665A (en) * 2014-01-16 2015-07-22 大连新钢液压管件有限公司 High-efficiency closing compactor at filter bowl filter screen end of vehicle engine oil strainer
CN104647038A (en) * 2015-01-05 2015-05-27 河南科技大学 Compound plastic forming equipment, die transposition mechanism thereof and positioning method for die transposition mechanism
CN106270279A (en) * 2016-08-18 2017-01-04 陕西庆华汽车安全系统有限公司 A kind of gas generator shaped device and forming method
CN106270279B (en) * 2016-08-18 2018-02-09 陕西庆华汽车安全系统有限公司 A kind of gas generator shaped device and forming method
CN108213141A (en) * 2017-12-07 2018-06-29 中国航发贵州黎阳航空动力有限公司 A kind of manual flange closing in tool of the band limiting of micro parts
CN108188232A (en) * 2018-01-09 2018-06-22 伟业精密科技(惠州)有限公司 Air-cushion inflator drawing closing in moulding process

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Granted publication date: 20080319