CN218396819U

CN218396819U - Stepping press-fit equipment for automobile instrument panel air bag frame

Info

Publication number: CN218396819U
Application number: CN202222394605.6U
Authority: CN
Inventors: 李秦
Original assignee: Southern Faurecia Auto Parts Co ltd
Current assignee: Southern Faurecia Auto Parts Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-31
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to the technical field of pressing equipment, in particular to stepping pressing equipment for an automobile instrument panel and an airbag frame, which comprises a frame, wherein a lower template is fixedly arranged on the inner bottom surface of the frame, the top surface of the lower template is provided with a plurality of stoppers for supporting an instrument panel and a die holder for accommodating the airbag frame, a main cylinder is fixedly arranged on the inner top surface of the frame, and the end part of a piston rod of the main cylinder is fixedly connected with a stepping pressing mechanism; the substep pressing mechanism includes the upper die frame with the piston rod rigid coupling of master cylinder, fixed mounting has a plurality of substep cylinders that arrange and independent each other along vertical direction in the upper die frame, the piston rod of each substep cylinder stretches out the upper die frame down, the bottom surface rigid coupling of upper die frame has the upper die base, a plurality of chambeies that hold have been seted up to the upper die base, each holds the intracavity and all is equipped with the profile modeling briquetting, the piston rod of each substep cylinder wears to the intracavity that holds that corresponds and the profile modeling briquetting rigid coupling that corresponds, the problem that the crimping did not target in place in the past has been solved.

Description

Stepping press-fit equipment for automobile instrument panel air bag frame

Technical Field

The utility model relates to a lamination equipment technical field, concretely relates to header board gasbag frame lamination equipment step by step.

Background

An air bag frame of an automobile instrument panel relates to air bag blasting and belongs to a safety item part. The process requires that all the clamping pins of the air bag frame are clamped and installed in place in the assembling process. Due to the fact that the structural design of part of the air bag frame is complex, the stress point of each clamping pin at each position is different, and therefore the clamping pins cannot be pressed in place at one time. The air bag frame press-fitting equipment in the prior art adopts one-step press-fitting work, namely, a plurality of clamping pins of the air bag frame are synchronously pressed down on an instrument board at one time, and the press-fitting mode is easy to cause the situation that one or part of the clamping pins are clamped in place, so that potential safety hazards are brought to products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough among the prior art, and provide a header board gasbag frame lamination equipment step by step, adopt this equipment can solve the problem that gasbag frame card foot does not the joint target in place.

The purpose of the utility model is realized through the following technical scheme: the application provides stepping press-fit equipment for an automobile instrument panel and an air bag frame, which comprises a rack, wherein a lower template is fixedly arranged on the inner bottom surface of the rack, a plurality of limiting blocks for supporting an instrument panel and air bag seats for containing the air bag frame are arranged on the top surface of the lower template, a main cylinder is fixedly arranged on the inner top surface of the rack, and a stepping press-fit mechanism is fixedly connected to the end part of a piston rod of the main cylinder; the substep pressing mechanism includes the last framed with the piston rod rigid coupling of main cylinder, goes up framed internal fixation and installs a plurality of substep cylinders that arrange and independent each other along vertical direction, and the piston rod of each substep cylinder stretches out last framed downwards, and the bottom surface rigid coupling of going up framed has an upper die base, and a plurality of chambeies that hold have been seted up to the upper die base, and each holds the intracavity and all is equipped with the profiling briquetting, and the piston rod of each substep cylinder wears to the intracavity that holds that corresponds and the profiling briquetting rigid coupling that corresponds.

Wherein, the piston rod end of the master cylinder is fixedly connected with an upper bottom plate, and the upper bottom plate is detachably connected with the upper mold frame.

The upper die frame comprises a top plate, a bottom plate and a plurality of side plates, the side plates are vertically arranged and are arranged at the bottom of the top plate in an enclosing mode, the bottom plate is fixedly connected to the bottom of each side plate, and the step-by-step cylinders are fixedly installed on the top end face of the bottom plate.

The four step-by-step cylinders are arranged on the top end face of the bottom plate in a rectangular shape.

Wherein, the bottom surface rigid coupling of bottom plate has L type support that just the interval set up relatively in pairs, has erect the connecting plate between two L type supports, and upper die base fixed mounting just is located between two L type supports at the bottom surface of connecting plate.

The rack is arranged in a C shape, so that the rack forms an accommodating cavity for mounting the lower template and the main cylinder.

Wherein, hold the chamber and be provided with a plurality of safe gratings, a plurality of safe grating interval equipartitions are in the border department around the holding chamber.

Wherein, the lower template is fixedly connected with the frame through a bolt.

The utility model discloses a header board gasbag frame lamination equipment that divides step has following beneficial effect:

(1) Through setting up substep pressing mechanism, the independent and substep briquetting that corresponds of a plurality of substep cylinders of substep pressing mechanism carries out work, and the pressfitting order and the movement interval time of each profiling briquetting can freely be adjusted, can be applicable to the pressure equipment of the gasbag frame of various different grade type and use, have stronger suitability.

(2) The lower template and the substep pressing mechanism can be changed fast to be applicable to the pressure equipment of various instrument boards and gasbag frames, easy operation, convenient to use is swift.

(3) The substep lamination equipment adopts on the substep pressfitting card foot card of gasbag frame advances the instrument board, under the basis that the master cylinder provided enough crimping holding power, each substep cylinder applys the crimping effort to a card foot or a small part card foot alone to guarantee that each card foot can install completely in place, reduced the part that leads to the fact in the gasbag frame pressfitting process and scrapped and reprocessed, practice thrift manufacturing cost greatly, guarantee the stability and the crimping quality of gasbag frame crimping, improve the security of product, make the product more reliable.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

Fig. 1 is a schematic structural diagram of a step-by-step press-fitting device for an airbag frame of an automobile instrument panel in the embodiment.

Fig. 2 is a schematic structural view of the lower template in this embodiment.

Fig. 3 is a schematic structural view of the step-and-press mechanism in the embodiment.

Fig. 4 is an exploded view of the step-and-press mechanism in the present embodiment.

Fig. 5 is a schematic structural view of the upper mold frame after hiding the top plate in this embodiment.

Reference numerals are as follows: the device comprises a frame 1, a safety grating 11, a lower template 2, a limiting block 21, an air bag seat 22, an instrument panel 23, an air bag frame 24, a main air cylinder 3, an upper bottom plate 31, a step-by-step pressing mechanism 4, an upper mold frame 40, a top plate 41, a bottom plate 42, a side plate 43, an L-shaped support 44, a connecting plate 45, an upper mold seat 46, an accommodating cavity 461, a copying pressing block 47 and a step-by-step air cylinder 48.

Detailed Description

The invention will be further described with reference to the following examples.

The utility model discloses a header board gasbag frame lamination equipment's embodiment step by step, as shown in figure 1, including frame 1. In this embodiment, the frame 1 is arranged in a C-shape, so that the frame 1 forms a receiving cavity for receiving each component or assembly. In order to improve the use safety of equipment, the holding chamber is provided with a plurality of safety gratings 11, a plurality of safety gratings 11 are evenly distributed at the peripheral edge of the holding chamber at intervals, the safety level of the safety gratings 11 is four levels, and double-loop safety connection is adopted, so that potential safety hazards caused by the fact that personnel intrude into a working area in the movement process of the equipment are prevented, namely, the safety gratings 11 are electrically connected with a controller of the equipment, in the operation process of the equipment, if one of the safety gratings 11 detects that an abnormal object enters the detection range of the abnormal object, the safety gratings 11 can feed back corresponding electric signals to the controller, and the controller can control the whole equipment to stop according to the electric signals, so that the safety of operators is ensured.

In this embodiment, the lower template 2 is fixedly mounted on the inner bottom surface of the frame 1. Specifically, the inner bottom surface of the rack 1 is fixedly connected with a rectangular support, and the lower template 2 is fixedly connected with the rectangular support of the rack 1 through bolts, so that the structure can be quickly assembled and disassembled, and the lower template 2 is convenient to replace and maintain. It should be noted that, with reference to fig. 2, the top surface of the lower template 2 is provided with a plurality of limiting blocks 21 for supporting the instrument panel 23 and an airbag seat 22 for accommodating the airbag frame 24, before the device works, an operator can place the airbag frame 24 in the airbag seat 22 in advance, then place the instrument panel 23 on each limiting block 21, and each limiting block 21 limits the instrument panel 23, so that the clamping feet of the airbag frame 24 are aligned with the clamping positions of the instrument panel 23.

As an improvement, with reference to fig. 1 and 3, a main cylinder 3 is fixedly mounted on the inner top surface of the frame 1, a step press-fit mechanism 4 is fixedly connected to the end of a piston rod of the main cylinder 3, and the step press-fit mechanism 4 includes an upper mold frame 40. In order to facilitate the quick replacement of the step-by-step press mechanism 4, the end of the piston rod of the master cylinder 3 is fixedly connected with an upper base plate 31, the upper base plate 31 is detachably connected with the upper mold frame 40, and the detachable connection can be realized through a threaded connection mode of bolts. Upper part of

With reference to fig. 3 to 5, the mold frame includes a top plate 41, a bottom plate 42 and a plurality of side plates 43, the plurality of side plates 43 are vertically disposed and surround the bottom of the top plate 41, and the bottom plate 42 is fixedly connected to the bottom of each side plate 43. A plurality of step cylinders 48 which are arranged along the vertical direction and are independent from each other are fixedly installed in the upper mold frame 40, piston rods of the step cylinders 48 downwards extend out of the upper mold frame 40 (the bottom plate 42), and the step cylinders 48 are all fixedly installed on the top end face of the bottom plate 42 of the upper mold frame 40. The bottom surface rigid coupling of going up framed 40 has upper die base 46, and upper die base 46 has been seted up a plurality ofly and has been held the chamber 461, all is equipped with profiling briquetting 47 in each holds the chamber 461, and the piston rod of each stepping cylinder 48 wears to the chamber 461 that holds that corresponds in with the profiling briquetting 47 rigid coupling that corresponds.

As a preferable scheme, referring to fig. 5, the number of the step cylinders 48 of the step pressing mechanism 4 of the present embodiment is four, the four step cylinders 48 are arranged on the top end surface of the bottom plate 42 in a rectangular shape, the four step cylinders 48 are divided into two groups, which are respectively an up-down symmetric group and a left-right symmetric group, and the two groups of step cylinders 48 are uniformly distributed in a cross shape, the layout of the step cylinders 48 can be suitable for crimping of various air bag frames 24, and the arrangement of the four step cylinders 48 is reasonable and simple, after each step cylinder 48 is connected with the corresponding profiling pressing block 47, the plurality of profiling pressing blocks 47 can cover the clamping legs of all the air bag frames 24, thereby ensuring the stability of the crimping operation.

In this embodiment, combine fig. 3 and fig. 4, in order to make things convenient for carry out quick replacement to the die holder, reduce manufacturing cost, the bottom surface rigid coupling of bottom plate 42 has L type support 44 in pairs and the interval relative setting, has erect connecting plate 45 between two L type supports 44, and upper die base 46 fixed mounting just is located between two L type supports 44 at the bottom surface of connecting plate 45. It should be noted that a sliding slot is formed between the two L-shaped brackets 44, and the connecting plate 45 is clamped into the sliding slot to realize the installation limit. In the actual installation process, the upper die base 46 is installed on the bottom surface of the connecting plate 45 in advance, the middle part of the upper die base 46 is provided with a bolt hole penetrating through the connecting plate 45, after the connecting plate 45 with the upper die base 46 slides into the sliding groove, the connecting plate 45 and the bottom plate 42 can be locked by penetrating the bolt hole through the bolt, then each copying press block 47 is placed into each accommodating cavity 461 of the upper die base 46, each copying press block 47 is fixedly connected with the piston rod of the corresponding step-by-step air cylinder 48 through a screw, and the assembly of the step-by-step pressing mechanism 4 can be completed, so that the maintenance and the repair of the step-by-step pressing mechanism 4 are facilitated, the lower die bases and the copying press blocks 47 with different specifications can be rapidly replaced, and when facing different types of air bag frames 24 or different instrument panels 23, a plurality of sets of step-by-step pressing mechanisms 4 do not need to be prepared, and only a plurality of lower die bases and corresponding copying press blocks 47 need to be prepared, and the manufacturing cost is greatly saved.

The working process of the automobile instrument panel air bag frame step pressing device in the embodiment is as follows: in the beginning stage of production, the air bag frame 24 and the instrument panel 23 to be pressed are manually placed on the lower template 2 respectively, and part sensors are distributed on the lower template 2 to detect whether parts are placed in place. If the part is in place, the relevant information can be displayed on the touch screen of the device, and at the moment, the operator can press the start button to start the device. When the equipment starts to work, the main air cylinder 3 drives the whole step-by-step pressing mechanism 4 to move downwards to a station to be pressed, and then each step-by-step air cylinder 48 drives the corresponding profiling pressing block 47 to press the air bag frame 24 into the instrument panel 23 step by step. Before crimping, the movement sequence and the interval time of mutual movement of each stepping cylinder 48 can be set by the touch screen of the device, so as to meet different process requirements of different product structures. The bottom end (working face) of each copying press block 47 is made of nylon material, so that the copying press blocks 47 can be prevented from scratching the instrument panel 23 or the air bag frame 24. After the step pressing operation is completed, the main cylinder 3 applies downward holding pressure to the step pressing mechanism 4 again, provides greater pressure and maintains the pressure for a period of time to ensure that the clamping pins of the airbag frame 24 are completely pressed onto the instrument panel 23 and do not rebound, thereby completing the whole crimping process.

According to the automobile instrument panel air bag frame step-by-step press-fit equipment, the step-by-step press-fit mechanism 4 is arranged, the multiple step-by-step air cylinders 48 of the step-by-step press-fit mechanism 4 independently control the corresponding copying pressing blocks 47 step by step to work, the press-fit sequence and the movement interval time of each copying pressing block 47 can be freely adjusted, the equipment can be suitable for press-fitting of air bag frames 24 of various types, and the equipment has strong applicability, so that the effect of ensuring that all clamping pins are accurately assembled in place is achieved. In addition, the lower template 2 and the step-by-step pressing mechanism 4 can be replaced quickly, so that the press fitting device is suitable for press fitting of various instrument boards 23 and air bag frames 24, the operation is simple, the use is convenient and quick, the die change time of the whole set of die can be controlled within three minutes, and the requirement of frequent die change in the lean production process of the automobile industry is met. Through the structure that the four stepped cylinders 48 are driven, the final pressing effect can be controlled by adjusting the motion sequence of each stepped cylinder 48 and the extension amount of the profiling block in the pressing process of the air bag frame 24, even if the size of a part (the air bag frame 24) fluctuates in the later period, qualified products can be produced through simple adjustment of the motion sequence and time delay of the cylinders, the process adjusting window in the pressing process of the air bag frame 24 is greatly increased, the stability of finished products is improved, part scrapping and repairing caused in the pressing process of the air bag frame 24 are reduced, and the production cost is greatly saved.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The stepping press-fit equipment for the air bag frame of the automobile instrument panel is characterized by comprising a rack, wherein a lower template is fixedly installed on the inner bottom surface of the rack, a plurality of limiting blocks for supporting the instrument panel and air bag seats for containing the air bag frame are arranged on the top surface of the lower template, a main air cylinder is fixedly installed on the inner top surface of the rack, and a stepping press-fit mechanism is fixedly connected to the end part of a piston rod of the main air cylinder;

the step-by-step press-fit mechanism comprises an upper die frame fixedly connected with a piston rod of the main cylinder, a plurality of step-by-step cylinders which are arranged in the vertical direction and are independent from one another are fixedly installed in the upper die frame, the piston rod of each step-by-step cylinder extends downwards out of the upper die frame, an upper die base is fixedly connected to the bottom surface of the upper die frame, a plurality of accommodating cavities are formed in the upper die base, profiling pressing blocks are arranged in the accommodating cavities, and the piston rod of each step-by-step cylinder penetrates into the corresponding accommodating cavity to be fixedly connected with the corresponding profiling pressing block.

2. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 1, characterized in that: an upper bottom plate is fixedly connected to the end of a piston rod of the main cylinder, and the upper bottom plate is detachably connected with the upper mold frame.

3. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 2, characterized in that: the upper die frame comprises a top plate, a bottom plate and a plurality of side plates, the side plates are vertically arranged and are arranged at the bottom of the top plate in an enclosing mode, the bottom plate is fixedly connected to the bottom of each side plate, and the step-by-step cylinders are fixedly installed on the top end face of the bottom plate.

4. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 3, wherein: the four step-by-step air cylinders are arranged on the top end face of the bottom plate in a rectangular mode.

5. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 3, wherein: the bottom surface rigid coupling of bottom plate has L type support in pairs and the interval sets up relatively, two erect the connecting plate between the L type support, upper die base fixed mounting just is located between two L type supports in the bottom surface of connecting plate.

6. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 1, characterized in that: the rack is arranged in a C shape, so that an accommodating cavity for installing the lower template and the main cylinder is formed in the rack.

7. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 6, wherein: the holding cavity is provided with a plurality of safety gratings, and the safety gratings are uniformly distributed at the periphery of the holding cavity at intervals.

8. The stepping laminating device for the airbag frame of the automobile instrument panel according to claim 1, characterized in that: the lower template is fixedly connected with the rack through bolts.