Forming tool for air bag restraint system controller shell

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to a forming tool for a safety air bag controller shell, which comprises a base and a control panel, and a clamping mechanism is arranged between a machining table and the base; the clamping mechanism comprises a transmission assembly, fixing clamps and limiting stoppers, the transmission assembly is embedded in the middle of the base and corresponds to the circle center of the machining table, and the limiting stoppers are in one-to-one correspondence with the fixing clamps in number and position; the transmission assembly comprises a motor and a gear set, the gear set comprises a hollow wheel body and a plurality of telescopic teeth, an inner cavity is formed in the middle of the hollow wheel body, the telescopic teeth comprise elastic telescopic rods and meshing teeth, the elastic telescopic rods are arranged in the inner cavity, and the output shaft keeps actively stretching out in the initial state; the meshing teeth are in sliding connection with the wheel body and are connected with an output shaft of the elastic telescopic rod; the fixing clamps are in sliding connection with the fixing pieces on the corresponding sides and matched with the gear sets in a meshed mode, movable grooves are formed in the machining table, the fixing clamps stretch out of the movable grooves, and the limiting stoppers are fixedly connected with the base and connected with the corresponding fixing clamps in a matched mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamp, concretely relates to a forming tool of safety air bag controller shell. BACKGROUND

[0002] The safety air bag mechanism is one of important safety component parts in the current automobile, is mainly installed in the cab, the copilot and the child seat in the automobile, when the carrier collides, the controller in the safety air bag mechanism can control the safety air bag to start, to protect the safety of the driver and the passenger, the controller of the safety air bag is as central control part, is basically composed of ACU assembly, shell and interface, in the controller production process, will install ACU assembly and interface to the shell and form a complete controller, and because of the irregularity of ACU assembly and the external nature of interface, the controller mostly does not present the rectangular structure of common controller rule, but is asymmetric or presents the irregular structure, therefore, in the assembling process, the conventional forming tool clamp needs to install the edge detector or set up the single edge clamping unit for adapting the irregular controller clamping needs when clamping the shell, but like this then causes the operation of tool equipment to be cumbersome, and too many independent units and detectors also easily cause the cost and maintenance difficulty of equipment to increase. SUMMARY

[0003] The utility model aims at providing a forming tool of safety air bag controller shell, which solves the problems mentioned in the background.

[0004] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0005] A forming tool of safety air bag controller shell, comprising a base and a control panel, the base upper end is equipped with a machining table, and a clamping mechanism is arranged between the machining table and the base;

[0006] The clamping mechanism comprises a transmission assembly, a fixed clamp and a stopper, the transmission assembly is embedded in the middle part of the base and corresponds to the center of the machining table, the number of the fixed clamp is four, and the four fixed clamps are vertically staggered and distributed in two groups around the center of the transmission assembly, and the number of the stopper corresponds to the number and position of the fixed clamp one by one.

[0007] The transmission assembly comprises a motor and a gear set, the motor is embedded in the base, the gear set is concentrically connected with the output shaft of the motor, the gear set comprises a hollow wheel body and a plurality of telescopic teeth, an inner cavity is formed in the middle part of the hollow wheel body, a plurality of telescopic teeth are evenly arranged in the inner cavity and extend out of the inner cavity, the telescopic teeth comprise an elastic telescopic rod and a meshing tooth, the elastic telescopic rod is arranged in the inner cavity and the output shaft is actively extended in the initial state, and the meshing tooth is slidingly connected with the wheel body and connected with the output shaft of the elastic telescopic rod.

[0008] The fixed clamp is in sliding connection with the corresponding fixing part and is in meshing matching with the gear set, the processing table is provided with a movable slot, the fixed clamp extends out of the movable slot, and the position limiter is in fixed connection with the base and is in matching connection with the corresponding fixed clamp.

[0009] The fixed clamp comprises a rack and a clamping plate, the rack is in sliding connection with the adjacent fixing part, the clamping plate is fixedly arranged at the end of the rack and located at the rear end of the clamping forward direction of the rack, and the clamping plate is in T-shaped structure and abuts against the upper end surface of the processing table.

[0010] The clamping end of the clamping plate is provided with an antiskid pad.

[0011] The position limiter comprises a liquid storage cylinder, a piston, a connecting rod and a hose, the liquid storage cylinder is in fixed connection with the base through a support, the piston is in sliding sealing arrangement in the liquid storage cylinder, the connecting rod is connected with the piston and extends out of the liquid storage cylinder and is connected with one end of the rack relative to the clamping plate, the hose is connected with the other end of the liquid storage cylinder, the hose is in communication with an external liquid storage container and is provided with an electric control valve.

[0012] Compared with the prior art, the present application has at least the following advantages:

[0013] Through the cooperation of the gear set and the fixed clamp, when the irregular airbag controller shell is clamped and fixed, a transmission assembly can drive multiple fixed clamps, and the fixed clamps can be self-adapted to the clamping position of the corresponding side of the shell, so that the self-adaptation degree of the equipment is effectively provided, the clamping stability is improved, the deformation damage caused by clamping of the shell is reduced, the setting of the single-sided detection element and the setting of the independent control unit are reduced, and the equipment is simplified and more convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application can be further illustrated by the non-limiting embodiments shown in the accompanying drawings.

[0015] Figure 1 It is a structural schematic view of the tooling of the present application.

[0016] Figure 2 It is another angle structural schematic view of the present application.

[0017] Figure 3 It is a structural sectional view of the present application.

[0018] Figure 4 It is another angle structural sectional view of the present application.

[0019] Figure 5 It is Figure 4 It is an enlarged schematic view of the position A.

[0020] Base 1, processing table 11, movable slot 12, motor 2, hollow wheel body 3, inner cavity 31, elastic telescopic rod 32, meshing teeth 33, rack 4, clamping plate 41, liquid storage cylinder 42, piston 43, connecting rod 44. DETAILED DESCRIPTION

[0021] In order to make the technical personnel in the art can better understand the utility model, the following will be combined with the drawings and examples of the utility model technical scheme further explanation.

[0022] As Figures 1-5 Indicated, a safety air bag controller housing forming tool, including base 1 and control panel, base 1 upper end is equipped with processing table 11, processing table 11 and base 1 between being equipped with clamping mechanism;

[0023] Clamping mechanism includes transmission assembly, fixed clamp and stopper, transmission assembly is embedded in the middle part of base 1 and with the center of processing table 11 corresponding, the number of fixed clamp is four and is distributed vertically staggered around the center of transmission assembly two by two, the number of stopper and the number and position of fixed clamp one-to-one corresponding;

[0024] Transmission assembly includes motor 2 and gear set, motor 2 is embedded in base 1, gear set is concentrically connected with the output shaft of motor 2, gear set includes hollow wheel body 3 and several telescopic teeth, hollow wheel body 3 middle part is opened with inner cavity 31, several telescopic teeth are evenly arranged in inner cavity 31 and extend out of inner cavity 31, telescopic teeth include elastic telescopic rod 32 and meshing teeth 33, elastic telescopic rod 32 is arranged in inner cavity 31 and in initial state output shaft keeps driving to extend, meshing teeth 33 are slidingly connected with wheel body and are connected with the output shaft of elastic telescopic rod 32.

[0025] Fixed clamp and corresponding side fixed piece slidingly connected and with gear set engagement matching, processing table 11 is opened with movable slot 12, fixed clamp extends out of movable slot 12, stopper is fixedly connected with base 1 and is connected with corresponding fixed clamp matching.

[0026] When the controller housing is assembled and formed, the external mechanical arm clamps the controller component A, such as the bottom plate, to the machining table 11, and then the control panel starts the clamping mechanism to fix the component A. At this time, the motor 2 in the transmission assembly starts to drive the gear set to rotate, which simultaneously drives the four fixed clamps. The four fixed clamps move towards the component A until the fixed clamps clamp the component A stably. After completion, the position limiter starts to limit the fixed clamps to keep their positions relatively stable. The telescopic teeth in the gear set will shrink due to the presence of the elastic telescopic rod 32 when the fixed clamps are blocked by the gear set, i.e., when the fixed clamps abut against the controller housing. The elastic telescopic rod 32 will shrink due to the blocking of the meshing teeth 33. The contact surfaces of the meshing teeth 33 and the fixed clamps are rounded to ensure that the components can move under this condition without being stuck. At this time, the meshing teeth 33 rotate to bypass the fixed clamps. The position of the fixed clamps is fixed, but it does not affect the continuous rotation of the gear set. This can better meet the clamping needs of the irregular structure of the airbag controller. Through a single transmission assembly, multiple clamping structures can be driven simultaneously, and the clamping contact point needs of different positions can be adapted.

[0027] The fixed clamp includes a rack 4 and a clamping plate 41. The rack 4 is in sliding connection with the adjacent fixed part. The clamping plate 41 is fixedly arranged at the end of the rack 4 and located at the rear end of the rack 4 in the clamping forward direction. The clamping plate 41 is in T-shaped structure and abuts against the upper end surface of the machining table 11. The rack 4 cooperates with the gear set to achieve meshing transmission under normal driving. The clamping plate 41 is used to cooperate with the clamping and fixing of the housing.

[0028] The clamping end of the clamping plate 41 is provided with a non-slip pad.

[0029] The position limiter includes a liquid storage cylinder 42, a piston 43, a connecting rod 44, and a hose. The liquid storage cylinder 42 is fixedly connected with the base 1 through a support. The piston 43 is slidingly and sealingly arranged in the liquid storage cylinder 42. The connecting rod 44 is connected with the piston 43 and extends out of the liquid storage cylinder 42 to be connected with one end of the rack 4 relative to the clamping plate 41. The other end of the liquid storage cylinder 42 is connected with the hose. The hose is in communication with an external liquid storage container and is provided with an electric control valve.

[0030] In order to ensure the stable position of the shell during processing, avoid the movement of the fixing clamp itself, when the rack 4 of the fixing clamp is driven to displace along with the gear set, the electric control valve of the soft tube in the position limiter is kept open, at this time, the pushing action of the connecting rod 44 to the piston 43 will make the liquid in the liquid storage cylinder 42 be squeezed into the external liquid storage container or the liquid in the external liquid storage container be sucked into the liquid storage cylinder 42, when the position stability of the fixing clamp is needed, only the electric control valve at the soft tube is closed, the liquid path is cut off, therefore the position of the fixing clamp can be kept relatively stable due to the almost incompressibility of the liquid, meanwhile, due to the relative installation position and clamping direction of the four fixing clamps, the soft tubes of the position limiters of the four fixing clamps can be communicated with each other, finally the soft tube is communicated with the external liquid storage container, so only one electric control valve can control the on-off of the liquid path of the four position limiters, the equipment is more simplified.

[0031] The above embodiments only exemplarily illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

Claims

1. A forming tool for airbag controller housing, comprising a base and a control panel, the upper end of the base is provided with a processing platform, the processing platform and the base are provided with a clamping mechanism, the clamping mechanism comprises a transmission assembly, a fixed clamp and a stopper, the transmission assembly is embedded in the middle of the base and corresponds to the center of the processing platform, the number of the fixed clamp is four, and each two of the fixed clamp is vertically staggered around the center of the transmission assembly, the number of the stopper corresponds to the number and position of the fixed clamp, the transmission assembly comprises a motor and a gear set, the motor is embedded in the base, the gear set is connected with the output shaft of the motor, the gear set comprises a hollow wheel body and a plurality of telescopic teeth, the middle of the hollow wheel body is provided with an inner cavity, a plurality of telescopic teeth are evenly arranged in the inner cavity and extend out of the inner cavity, the telescopic teeth comprise a telescopic rod and a meshing tooth, the telescopic rod is arranged in the inner cavity and the output shaft is actively extended in the initial state, the meshing tooth is slidingly connected with the wheel body and connected with the output shaft of the telescopic rod, the fixed clamp is slidingly connected with the fixed part on the corresponding side and matched with the gear set, the processing platform is provided with a movable slot, the fixed clamp extends out of the movable slot, the stopper is fixedly connected with the base and matched with the corresponding fixed clamp, the fixed clamp comprises a rack and a clamping plate, the rack is slidingly connected with the adjacent fixed part, the clamping plate is fixedly arranged at the end of the rack and located at the rear end of the clamping direction of the rack, the clamping plate is T-shaped and abuts against the upper end surface of the processing platform, the clamping end of the clamping plate is provided with a non-slip pad, the stopper comprises a liquid storage cylinder, a piston, a connecting rod and a hose, the liquid storage cylinder is fixedly connected with the base through a support, the piston is slidingly and sealingly arranged in the liquid storage cylinder, the connecting rod is connected with the piston and extends out of the liquid storage cylinder and connected with one end of the rack relative to the clamping plate, the other end of the hose is connected with the liquid storage cylinder, the hose is connected with an external liquid storage container and provided with an electric control valve. A table, characterized in that: ​ ​ ​ ​ ​ ​ ​

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