CN210907639U

CN210907639U - Die for punching processing of safety airbag gas generator tube

Info

Publication number: CN210907639U
Application number: CN201921344004.6U
Authority: CN
Inventors: 樊庆雷
Original assignee: Huzhou Shengwei Precision Technology Co ltd
Current assignee: Huzhou Shengwei Precision Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-07-03
Anticipated expiration: 2029-08-19

Abstract

The utility model belongs to the technical field of safety airbags, and discloses a die for punching processing of a safety airbag gas generator tube, which comprises a bracket, wherein a hydraulic cylinder is arranged at the bottom end of the inner wall of the bracket, the bottom of the hydraulic cylinder is fixedly connected with an upper template through a hydraulic rod, a male die is welded in the middle of the bottom of the upper template, a lower die holder is arranged below the male die, a cavity groove is arranged inside the lower die holder, a punching platform is arranged at the bottom end inside the cavity groove, grooves are respectively arranged at two sides of the inner part of the lower die holder close to the cavity groove, and first springs are respectively fixed on the inner walls of the two grooves. Thereby can effectual ejecting die, simple structure, convenient operation simultaneously.

Description

Die for punching processing of safety airbag gas generator tube

Technical Field

The utility model relates to an air bag technical field, concretely relates to air bag gas generator pipe mould for punching a hole processing.

Background

The safety air bag is a passive safety protection system, it uses with the seat belt cooperation, can provide effectual collision avoidance for the passenger, when the car collided, car safety air bag can make the head injury rate reduce 25%, facial injury rate reduces about 80%, and gas generator can aerify safety air bag, gas generator's body and diffuser body generally are through punching press stretch forming, need punch a hole on the tensile body blank of punching press, consequently, a mould for safety air bag gas generator pipe punching hole processing has appeared.

In chinese patent with patent No. CN201520905372.9, a die for punching processing of an airbag gas generator tube is disclosed, which aims to prolong the service life of a punching die, and realizes automatic ejection of a product of a female die after punching through parts such as a female die fixing block, a positioning stripping block, a nut and a push rod spring, but the ejection effect of the female die is poor during actual use, and parts are complex in operation, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an air bag gas generator pipe mould for processing that punches a hole to solve the ejecting effect of the die that provides among the above-mentioned background art relatively poor and complicated loaded down with trivial details, and do not set up the problem that improves the stable structure when the terrace die punches a hole.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a die for punching processing of an air bag gas generator tube, which comprises a bracket, wherein a hydraulic cylinder is arranged at the bottom end of the inner wall of the bracket, the bottom of the hydraulic cylinder is fixedly connected with an upper template through a hydraulic rod, a male die is welded in the middle of the bottom of the upper template, a lower die holder is arranged below the male die, a cavity groove is arranged inside the lower die holder, a punching platform is arranged at the bottom end inside the cavity groove, grooves are arranged at two sides of the inner part of the lower die holder close to the cavity groove, first springs are fixed on the inner walls of the two grooves, a slider is arranged at one end of the first spring far away from the inner wall of the groove, a slide rod is fixed at one end of the slider far away from the first spring, fixed dead rods are hinged with one ends of the two slide rods extending to the inner part of the cavity groove, and a, and one end of the female die, which is far away from the fixed rod, extends to the outside of the lower die holder.

Preferably, the support plates are mounted on two sides of the inner wall of the support, the support blocks are fixed to the bottoms of the two support plates, one ends, far away from the support plates, of the support blocks are connected with the lower die holder, sliding grooves matched with the upper die plate are formed in the side walls of the support plates, a second spring is mounted on one side, close to the support plates, of the tops of the support blocks, a pressing plate is fixed to the tops of the second springs, and one end, extending to the inside of the support plates, of the pressing plate is connected with the sliding.

Preferably, telescopic cylinders are mounted at two ends of the inner portion of the cavity groove, close to one side of the stamping platform, and the telescopic cylinders are located at positions below the fixing rods.

Preferably, the inner wall of the sliding groove is provided with a backing plate, and the outer wall of the backing plate is provided with a sliding groove.

Preferably, the outer wall of the sliding block is provided with a rubber pad, and the outer wall of the rubber pad is provided with anti-skid convex lines.

Preferably, the bottom of the lower die base is provided with a foot pad, and the outer wall of the foot pad is provided with a protrusion.

(III) advantageous effects

The utility model provides a die for punching processing of an air bag gas generator tube. The method has the following beneficial effects:

(1) the utility model discloses a die drives the dead lever downstream, and then in the dead lever promoted the slide bar and gets into the recess, make the slide bar drive the first spring of slider extrusion, after punching a hole, make the die displacement that makes progress under the rebound effect of first spring to can effectual ejecting die, simple structure, convenient operation simultaneously.

(2) The utility model discloses a both ends of cope match-plate pattern slide on the spout in the fagging, and then cope match-plate pattern and clamp plate laminating make the one end of clamp plate move down along the spout, and the second spring plays the effect of supporting with the buffering this moment, and then makes the terrace die descend level and smooth stable to the stability ability of structure has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1-a scaffold; 2-a hydraulic cylinder; 3, mounting a template; 4-a male die; 5-a lower die holder; 6-cavity groove; 7-a stamping table; 8-a groove; 9-a first spring; 10-a slide block; 11-a slide bar; 12-a fixation rod; 13-a female die; 14-a support plate; 15-a support block; 16-a chute; 17-a second spring; 18-a platen; 19-a telescopic cylinder; 20-a backing plate; 21-rubber pad; 22-foot pad.

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 embodiments. 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, the present invention provides the following technical solutions: a die for punching an air bag gas generator tube comprises a support 1, a hydraulic cylinder 2 is installed at the bottom end of the inner wall of the support 1, the hydraulic cylinder 2 adopts an MOB light hydraulic cylinder, and the rated pressure is 70KG/CM²Resistance to compression of 110KG/CM²The bottom of the hydraulic cylinder 2 is fixedly connected with an upper template 3 through a hydraulic rod, a male die 4 is welded in the middle of the bottom of the upper template 3, the male die 4 on the upper template 3 is driven to move downwards through the work of the hydraulic cylinder 2, so that the male die 4 can enter a female die 13 to complete punching, a lower die holder 5 is installed below the male die 4, a cavity groove 6 is formed in the lower die holder 5, and the bottom end of the inside of the cavity groove 6 is provided with a cavity groove 6A punching table 7 is installed, the punching table 7 can play a role in limiting and fixing, two sides of the inner part of the lower die holder 5, which are close to the cavity groove 6, are respectively provided with a groove 8, the inner walls of the two grooves 8 are respectively fixed with a first spring 9, one end of the first spring 9, which is far away from the inner wall of the groove 8, is provided with a slide block 10, one end of the slide block 10, which is far away from the first spring 9, is fixed with a slide rod 11, one end of the two slide rods 11, which extends to the inner part of the cavity groove 6, is hinged with a fixed rod 12, a concave die 13 is movably connected between one ends of the two fixed rods 12, which are far away from the slide rods 11, and one end of the concave die 13, which is far away from the fixed rod 12, is driven by the concave die 13 to move downwards, then the fixed rod 12 pushes the slide rods 11 to enter the grooves 8, so that, thereby can effectual ejecting die 13, simple structure, convenient operation simultaneously.

Further, the support plates 14 are mounted on two sides of the inner wall of the support 1, the support blocks 15 are fixed at the bottoms of the two support plates 14, one ends, far away from the support plates 14, of the support blocks 15 are connected with the lower die holder 5, sliding grooves 16 matched with the upper die plate 3 are formed in the side wall of the support plates 14, second springs 17 are mounted on one sides, close to the support plates 14, of the tops of the support blocks 15, pressing plates 18 are fixed at the tops of the second springs 17, one ends, extending to the inside of the support plates 14, of the pressing plates 18 are connected with the sliding grooves 16, the sliding grooves 16 in the support plates 14 slide through the two ends of the upper die plate 3, the upper die plate 3 is attached to the pressing plates 18, one ends of the pressing plates 18 move downwards along the sliding grooves 16, at the moment, the second springs 17 play a supporting and.

Further, a telescopic cylinder 19 is installed at one side of two ends of the inner portion of the cavity groove 6, which is close to the stamping platform 7, and the telescopic cylinder 19 can play a role in supporting and protecting when the fixing rod 12 descends, so that the stability of the structure is further enhanced, and the telescopic cylinder 19 is located at a position below the fixing rod 12. ,

further, a backing plate 20 is mounted on the inner wall of the sliding groove 16, the backing plate 20 enables the upper template 3 to better slide in the sliding groove 16, and a sliding groove is formed in the outer wall of the backing plate 20.

Specifically, a rubber pad 21 is mounted on the outer wall of the slider 10, the rubber pad 21 plays a role of anti-skidding, the slider 10 can be tightly attached to the inner wall of the groove 8, and anti-skidding convex lines are arranged on the outer wall of the rubber pad 21.

Specifically, the bottom of the lower die base 5 is provided with a foot pad 22, and the outer wall of the foot pad 22 is provided with a protrusion.

The working principle is as follows: when the utility model is used, firstly, a product to be punched is placed in the female die 13, then the male die 4 on the upper die plate 3 is driven to move downwards through the work of the hydraulic cylinder 2, the two ends of the upper die plate 3 slide on the sliding grooves 16 in the supporting plate 14, then the upper die plate 3 is attached with the pressing plate 18, one end of the pressing plate 18 moves downwards along the sliding grooves 16, at the moment, the second spring 17 plays a role in supporting and buffering, and further the male die 4 is smoothly and stably descended, thereby the stability of the structure is improved, then the male die 4 extrudes the product to drive the female die 13 to enter the cavity groove 6, the fixed rod 12 is driven to move downwards through the female die 13, then the fixed rod 12 pushes the sliding rod 11 to enter the groove 8, the sliding rod 11 drives the sliding block 10 to extrude the first spring 9, thereby the female die 13 is abutted to the punching table 7, the male die 4 is punched, after the punching is finished, the female die 13 is moved upwards under, therefore, the female die 13 can be effectively ejected, meanwhile, the structure is simple, the operation is convenient, and the repeated operation can be carried out after the product is taken out.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a die for punching processing of air bag gas generator tube which characterized in that: the die comprises a support (1), a hydraulic cylinder (2) is installed at the bottom end of the inner wall of the support (1), an upper die plate (3) is fixedly connected to the bottom of the hydraulic cylinder (2) through a hydraulic rod, a male die (4) is welded in the middle of the bottom of the upper die plate (3), a lower die holder (5) is installed below the male die (4), a cavity groove (6) is formed in the lower die holder (5), a stamping table (7) is installed at the bottom end of the cavity groove (6), grooves (8) are formed in two sides, close to the cavity groove (6), of the lower die holder (5), first springs (9) are fixed to the inner walls of the two grooves (8), a sliding block (10) is installed at one end, far away from the inner wall of the groove (8), of the sliding block (10), a sliding rod (11) is fixed to one end, extending to the inside of the cavity groove (6), of the two sliding blocks (11) are hinged with a fixing rod (12), and a female die (13) is movably connected between one ends of the two fixing rods (12) far away from the sliding rod (11) through a rotating shaft, and one end of the female die (13) far away from the fixing rods (12) extends to the outside of the lower die holder (5).

2. The die for punching an airbag gas generator tube according to claim 1, characterized in that: backup pads (14) are installed on two sides of the inner wall of the support (1), two supporting blocks (15) are fixed to the bottoms of the two supporting plates (14), one ends, far away from the supporting plates (14), of the supporting blocks (15) are connected with the lower die holder (5), sliding grooves (16) matched with the upper die plate (3) are formed in the side wall of the supporting plates (14), second springs (17) are installed on one sides, close to the supporting plates (14), of the tops of the supporting blocks (15), pressing plates (18) are fixed to the tops of the second springs (17), and one ends, extending to the inner portions of the supporting plates (14), of the pressing plates (18) are connected with the sliding grooves (16).

3. The die for punching an airbag gas generator tube according to claim 1, characterized in that: and one side of each of two ends of the cavity groove (6) close to the stamping platform (7) is provided with a telescopic cylinder (19), and the telescopic cylinders (19) are positioned at the positions below the fixing rods (12).

4. The die for punching an airbag gas generator tube according to claim 2, characterized in that: a backing plate (20) is installed on the inner wall of the sliding groove (16), and a sliding groove is formed in the outer wall of the backing plate (20).

5. The die for punching an airbag gas generator tube according to claim 1, characterized in that: the outer wall of the sliding block (10) is provided with a rubber pad (21), and the outer wall of the rubber pad (21) is provided with anti-skid convex lines.

6. The die for punching an airbag gas generator tube according to claim 1, characterized in that: foot pads (22) are installed at the bottom of the lower die base (5), and bulges are arranged on the outer walls of the foot pads (22).