CN110014293B - Automatic assembly equipment of air bag igniter - Google Patents
Automatic assembly equipment of air bag igniter Download PDFInfo
- Publication number
- CN110014293B CN110014293B CN201910399535.3A CN201910399535A CN110014293B CN 110014293 B CN110014293 B CN 110014293B CN 201910399535 A CN201910399535 A CN 201910399535A CN 110014293 B CN110014293 B CN 110014293B
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- igniter
- gasket
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- assembling
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- 239000000463 material Substances 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims description 103
- 239000000523 sample Substances 0.000 claims description 26
- 230000007306 turnover Effects 0.000 claims description 25
- 210000000078 claw Anatomy 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention relates to the technical field of automobile safety airbag gas generator assembly equipment, and particularly discloses automatic assembly equipment of an airbag igniter, which comprises an igniter material taking device (1), a gasket material taking device (2), a first assembly device (3), a second assembly device (4) and a shell moving device (5); the igniter extracting device (1) is used for moving the igniter (6) to the assembling seat (14); the gasket material taking device (2) is used for transferring gaskets (7) to the first assembling device (3); -said first assembly means (3) for assembling said gasket (7) to said igniter (6); the shell moving device (5) is used for clamping and fixing the shell (8); the second assembly device (4) is used for assembling the igniter (6) and the gasket (7) into the shell (8). The invention can realize the efficient and automatic assembly of the igniter, the gasket and the shell.
Description
Technical Field
The invention relates to the technical field of automobile air bag gas generator assembly equipment, in particular to automatic assembly equipment of an air bag igniter.
Background
The igniter is a key component of a gas generator of an automobile airbag, and in the process of assembling the gas generator, the igniter needs to be assembled into a shell of the gas generator, and a gasket is assembled between the igniter and the shell of the gas generator. Because the two probes of the ignition tool are easy to explode after static electricity is generated by friction, the existing assembly mode is mostly manual or semi-automatic assembly, the assembly efficiency is low, and potential safety hazards exist.
In view of the above drawbacks, the present inventors have finally achieved the present invention through long-time studies and practices.
Disclosure of Invention
In order to solve at least one aspect of the technical defects, the invention adopts the technical scheme that the automatic assembly equipment of the airbag igniter comprises an igniter material taking device, a gasket material taking device, a first assembly device, a second assembly device and a shell moving device;
The igniter extracting device comprises an igniter discharging mechanism, an assembling seat and an igniter clamping jaw for moving an igniter from the discharging mechanism to the assembling seat;
the gasket material taking device comprises a gasket material distributing mechanism and a gasket switching mechanism, wherein the gasket switching mechanism is used for transferring gaskets from the gasket material distributing mechanism to the first assembling device;
the first assembling means includes a washer assembling mechanism for assembling the washer to the igniter of the assembling seat;
the shell moving and taking device is used for clamping and fixing the shell;
The second assembling means is for picking up the intermediate assembly of the assembled igniter and the gasket from the assembling seat and assembling it into the housing.
Optionally, the igniter extracting device further includes a first stop assembly, the first stop assembly includes a first material distributing rod and a first stop rod, the igniter discharging mechanism includes an igniter material channel, when an outlet of the igniter material channel is free of material, the first stop rod stops at the outlet of the igniter material channel, and the first material distributing rod is lifted; when the igniter moves to the outlet of the igniter channel, the first material distributing rod is pressed down to block the igniter in the igniter channel from moving continuously, and the first stop rod moves away from the outlet of the igniter channel.
Optionally, the gasket material distributing mechanism comprises a gasket material channel, a second material distributing rod and a baffle, when the outlet of the gasket material channel is free of materials, the baffle is blocked at the outlet of the gasket material channel, and the second material distributing rod is lifted; when the gasket moves to the outlet of the gasket material channel, the second material dividing rod presses down to stop the gasket in the gasket material channel from moving continuously, and the baffle plate moves away from the outlet of the gasket material channel.
Optionally, the packing ring material way includes the saddle and covers the apron of saddle top, the saddle is equipped with the material mouth, packing ring changeover mechanism includes the chuck, the jack catch of chuck can stretch into the material mouth picks up the packing ring.
Optionally, the gasket switching mechanism further comprises a push plate, the first assembling device comprises a gasket assembling mechanism, the gasket assembling mechanism comprises an assembling head and a pressing plate, the push plate is used for pushing the gasket from the clamping jaw to the assembling head, and the pressing plate is used for pressing the gasket to the ignition tool in the assembling seat.
Optionally, the assembly head is provided with a probe hole for accommodating a probe of the igniter.
Optionally, the second assembling device includes a turnover mechanism for clamping the intermediate assembly from the assembling base and turning over, and a rotating jig for clamping the intermediate assembly from the turnover mechanism and rotating.
Optionally, tilting mechanism includes the upset clamping jaw, the upset clamping jaw is equipped with the upset clamp finger, the rotation clamp includes the assembly chuck, the assembly chuck is equipped with the opening, the opening is used for holding the upset clamp finger.
Optionally, the shell moving device comprises a shell clamp, wherein the shell clamp comprises a shell clamping jaw and a limiting cylinder with a through hole in the center.
Optionally, the second assembling device further comprises a jacking mechanism, wherein the jacking mechanism comprises a jacking head and a second buffer spring connected with the jacking head.
Compared with the prior art, the invention has the beneficial effects that: the invention can realize the efficient and automatic assembly of the igniter, the gasket and the shell.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of the structure of an igniter, gasket and housing of an airbag;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a block diagram of an igniter pick-up device of the present invention;
FIG. 4 is a block diagram of the discharge mechanism and first stop assembly of the igniter of the present invention;
FIG. 5 is a block diagram of an igniter lane of the present invention;
FIG. 6 is a block diagram of the igniter jaw of the invention;
FIG. 7 is a block diagram of the mount of the present invention;
FIG. 8 is a block diagram of a gasket extraction device of the present invention;
FIG. 9 is a block diagram of a gasket dispensing mechanism of the present invention;
FIG. 10 is a block diagram of a gasket lane of the present invention;
FIG. 11 is a block diagram of a gasket switching mechanism of the present invention;
FIG. 12 is a block diagram of a first mounting device of the present invention;
FIG. 13 is a block diagram of a gasket assembly mechanism of the present invention;
FIG. 14 is a block diagram of a second mounting device of the present invention;
FIG. 15 is a block diagram of the tilting mechanism of the present invention;
FIG. 16 is a block diagram of the flip jaw of the present invention;
FIG. 17 is a block diagram of a rotary clamp of the present invention;
FIG. 18 is a block diagram of a toggle plate and an assembly collet of the rotary clamp of the present invention;
FIG. 19 is a cross-sectional view at A-A of FIG. 18;
FIG. 20 is a block diagram of the visual inspection mechanism of the present invention;
FIG. 21 is a block diagram of a jack mechanism of the present invention;
FIG. 22 is a block diagram of a housing removal device of the present invention;
FIG. 23 is a block diagram of a housing clamp of the present invention;
FIG. 24 is a top view of the pressure plate and clamping jaw of the present invention;
fig. 25 is a cross-sectional view at B-B of fig. 24.
Reference numerals illustrate:
1. Igniter pick-up device 11, igniter discharge mechanism 111, igniter feed channel 1111, igniter feed port 1112, jaw receiving port 112, first photo sensor 12, first stop assembly 121, first divider rod 122, first stop rod 123, first stop cylinder 13, igniter jaw 131, igniter jaw cylinder 132, igniter clamp finger 1321, clamp finger profile 14 mounting seat 141, relief port 15, first displacement mechanism
2. Gasket take-out device 21, gasket feed-out mechanism 211, gasket feed channel 2111, cover plate 2112, saddle 2113, take-out port 212, second photo sensor 213, second feed rod 214, baffle 215, second stop cylinder 22, chuck 221, jaw 222, chuck body 23, push plate cylinder 25, second displacement mechanism
3. First assembly means 31, third displacement mechanism 32, washer assembly mechanism 321, assembly head 3211, probe aperture 322, first buffer spring 323, pressure plate 324, pressure plate cylinder
4. Second assembly device 41, tilting mechanism 411, tilting jaw 4111, tilting finger 412, tilting drive mechanism 413, tilting jaw displacement mechanism 42, rotary clamp 422, toggle plate cylinder 423, toggle plate 424, rotary motor 425, assembly jaw 4251, stop 4252, shaft 4253, clamp head 4254, clamping spring 4255, gap 43, visual inspection mechanism 431, visual camera 432, fine adjustment slide 433, aperture 44, jacking mechanism 441, jacking head 4411, inner bore 442, second buffer spring 443, proximity switch 444, jacking cylinder 45, fourth displacement mechanism
5. The housing displacement device 51, the fifth displacement mechanism 52, the housing clamp 521, the housing clamp 522, the housing clamp cylinder 523, the connecting plate 524, the limiting cylinder 5241, the flange 525 and the assembly hole
6. Ignition tool
7. Gasket ring
8. Housing 81. Mounting hole
Detailed Description
To facilitate an understanding of the present invention, before starting the description of the embodiments, each component to be assembled will be described first. Referring to fig. 1, the igniter 6, the gasket 7 and the housing 8 are components of a gas generator of an automobile airbag. The igniter 6 is provided with two metal probes, the gasket 7 is a circular ring, and the gasket 7 is assembled on the outer wall of the igniter 6, which is close to one end of each probe. The center of the housing 8 has a mounting hole 81, and the mounting hole 81 is a through hole for mounting the igniter 6 and the gasket 7. The assembly function to be completed by the invention is as follows: the grommet 7 is first fitted to the igniter 6, and then the igniter 6 fitted with the grommet 7 is fitted into the mounting hole 81 of the housing 8. For convenience of the following description, the igniter 6 equipped with the gasket 7 is hereinafter named as an intermediate assembly, to be distinguished from the igniter 6 without the gasket 7 mounted thereto.
In addition, in the embodiments of the present invention, directional indications (such as up, down, left, right, front, rear … …) are mentioned as being merely used to explain the relative positional relationship, movement conditions, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture is changed, the directional indications are correspondingly changed.
If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
The above and further technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
As shown in fig. 2, the automatic assembling apparatus of the airbag igniter includes an igniter extracting device 1, a gasket extracting device 2, a first assembling device 3, a second assembling device 4, and a housing moving device 5. The first assembly means 3 are used for assembling the gasket 7 with the igniter 6 to obtain an intermediate assembly, and the second assembly means 4 are used for assembling the intermediate assembly into the mounting hole 81 of the housing 8.
As shown in fig. 3, the igniter pick-up device 1 includes an igniter discharge mechanism 11, a mounting seat 14, and an igniter jaw 13 for moving the igniter 6 from the igniter discharge mechanism 11 to the mounting seat 14. The igniter pick-up device 1 further comprises a first displacement mechanism 15, the first displacement mechanism 15 being adapted to drive the movement of the igniter jaw 13 in horizontal and vertical directions. The first displacement mechanism 15 comprises a plurality of horizontally and vertically mounted air or electric cylinders.
As shown in connection with fig. 3, 4 and 5, the igniter output mechanism 11 includes an igniter lane 111, a first stop assembly 12 and a first photo sensor 112. A channel for the igniter 6 to pass through is arranged in the igniter material channel 111, a profiling structure matched with the shape of the igniter 6 is arranged in the channel, and a long and narrow gap is arranged above the channel for accommodating the probe of the igniter 6 to pass through. Because the two probes of the igniter 6 are easy to generate static electricity due to friction and detonate explosive substances in the generator, the probes of the igniter 6 face upwards in the feeding process. The front end of the igniter pocket 111 is provided with an igniter pocket 1111, the igniter pocket 1111 being adapted for the igniter jaw 13 to grip the igniter 6 therefrom. The first photo sensors 112 are installed at both sides of the igniter pocket 1111 for detecting whether the igniter 6 is present in the igniter pocket 1111. The two sides of the ignition tool material opening 1111 are also provided with clamping jaw accommodating openings 1112, and the clamping jaw accommodating openings 1112 are grooves recessed relative to the front end surface of the ignition tool material channel 111, and the grooves are communicated with the ignition tool material opening 1111. A blocking hole is arranged at the top of the ignition tool material channel 111. The first stop assembly 12 includes a first material distributing rod 121 and a first stop rod 122, and the first material distributing rod 121 and the first stop rod 122 are both connected to a first stop cylinder 123. The first stopping cylinder 123 is used for driving the first distributing rod 121 and the first stopping rod 122 to lift or descend. The first stop rod 122 can be stopped at the front end outlet of the igniter feed hole 1111 under the driving action of the first stop cylinder 123. The first distributor rod 121 can be lowered into the retaining opening by the actuation of the first retaining cylinder 123, so that the subsequent ignition tool 6 is prevented from entering the ignition tool opening 1111.
As shown in fig. 6, the igniter jaw 13 includes an igniter jaw finger 132 and an igniter jaw cylinder 131 connected to the igniter jaw finger 132, and the igniter jaw cylinder 131 is used to drive the igniter jaw finger 132 to clamp or unclamp. The ignition tool clamping finger 132 is provided with a clamping finger profiling structure 1321, the clamping finger profiling structure 1321 is matched with the shape of the ignition tool 6 and can support the ignition tool 6 from below, so that the clamping force can be effectively reduced, and the ignition tool 6 is prevented from being damaged.
As shown in fig. 7, the mount 14 is fixedly mounted on a support table. The assembling seat 14 is internally provided with a simulated cavity matched with the shape of the igniter 6. The top of the assembly seat 14 is provided with a yielding port 141, and when the igniter clamp jaw 13 places the igniter 6 into the assembly seat 14, the yielding port 141 can provide a containing space for the igniter clamp finger 132, so that the igniter 6 can be placed stably.
The material taking process of the ignition tool clamping jaw 13 is as follows: at the beginning, the first stop lever 122 is blocked at the front end of the igniter feed hole 1111, after the igniter 6 enters the igniter feed hole 1111, the first material distributing rod 121 descends to block the igniter 6 at the back from moving towards the igniter feed hole 1111, then the igniter clamping jaw 13 clamps the igniter 6, then the first stop lever 122 is lifted, and the igniter clamping jaw 13 transfers the igniter 6 into the assembly seat 14; at the same time, the first bar 122 descends and the first distributing bar 121 lifts up.
As shown in fig. 8, the gasket extracting device 2 includes a gasket dispensing mechanism 21 and a gasket transferring mechanism for transferring the gasket 7 from the gasket dispensing mechanism 21 to the first assembling device 3. The gasket switching mechanism includes a chuck 22, a push plate 23, and a second displacement mechanism 25 for driving the chuck 22 and the push plate 23 to move in the horizontal and vertical directions. The second displacement mechanism 25 may comprise one or more air or electric cylinders for effecting horizontal and/or vertical displacement of the chuck 22 and the pusher plate 23.
As shown in fig. 9 and 10, the gasket feed mechanism 21 includes a gasket feed passage 211, a second feed bar 213, and a baffle 214. One end of the gasket material channel 211 is connected with a storage device of the gasket 7, and the other end is an outlet of the gasket 7. The outlet of the gasket material channel 211 is provided with a second photoelectric sensor 212, the second photoelectric sensor 212 can be a correlation type photoelectric sensor, and the second photoelectric sensor 212 is used for detecting whether the gasket 7 exists at the outlet of the gasket material channel 211.
The baffle 214 is used for blocking the outlet of the gasket material channel 211, and the second distributing rod 213 is used for blocking the gasket 7 in the gasket material channel 211. Both the baffle 214 and the second feed dividing bar 213 are connected to a second stop cylinder 215. The second stopping cylinder 215 is used for driving the baffle 214 and the second distributing rod 213 to ascend or descend.
The gasket channel 211 includes a tray 2112 and a cover plate 2111 covering over the tray 2112, leaving a gap between the cover plate 2111 and the tray 2112 high enough to allow the gasket 7 to pass. The cover plate 2111 is provided with a material pressing hole, and the material pressing hole is a through hole penetrating through the cover plate 2111 and vertically corresponds to the second material distributing rod 213. The front end of the saddle 2112 is provided with a material taking port 2113. The take-out port 2113 is a notch with an arc-shaped edge, and the notch penetrates through the upper surface to the lower surface of the tray table 2112. The front end of the material taking opening 2113 vertically corresponds to the baffle 214. When the second stopping cylinder 215 drives the baffle 214 and the second distributing rod 213 to descend, the baffle 214 may block the front end of the material taking port 2113, and the second distributing rod 213 may extend into the material pressing hole on the cover plate 2111 and press one of the washers 7 located behind the washer 7 in the material taking port 2113 or block between the washer 7 in the material taking port 2113 and the washer 7 behind it.
As shown in fig. 11, the chuck 22 includes a three-jaw 221 and a chuck body 222 coupled to the jaw 221. The push plate 23 is provided with a through hole, and the claw 221 is arranged in the through hole and is coaxial with the through hole. The push plate 23 is fixedly connected with a push plate cylinder 25, and the push plate cylinder 25 can drive the push plate 23 to ascend or descend along the clamping jaws 221.
The gasket-taking device 2 operates in such a manner that after the gasket 7 moves to the taking port 2113, the second distributing lever 213 presses down the gasket behind the taking port 2113, and the shutter 214 is lifted. At the same time, the claw 221 is driven by the second displacement mechanism 25 to move below the material taking hole 2113 and extend into the central hole of the gasket 7 in the material taking hole 2113, and after the gasket 7 is sleeved on the claw 221, the claw 221 horizontally moves out of the material taking hole 2113, so that one gasket 7 is taken away.
As shown in fig. 12, the first fitting device 3 includes a washer fitting mechanism 32 and a third displacement mechanism 31 for driving the washer fitting mechanism 32 to move horizontally and vertically, the washer fitting mechanism 32 being for fitting the washer 7 on the pawl 221 to the igniter 6 of the fitting seat 14.
As shown in fig. 13, the gasket fitting mechanism 32 includes a fitting head 321 and a pressing plate 323. The pressing plate 323 is provided with a through hole coaxial with the assembly head 321 in the middle. The platen 323 is connected with a platen air cylinder 324, and the platen air cylinder 324 is used for driving the platen 323 to move along the assembly head 321. The bottom surface of the assembly head 321 is provided with a probe hole 3211 matched with the probe of the igniter 6, and the probe hole 3211 is used for accommodating the probe of the igniter 6, i.e. the probe of the igniter 6 can extend into the probe hole 3211. The assembly head 321 is connected with a fixed block, and a first buffer spring 322 is arranged at the top of the assembly head 321, and the first buffer spring 322 is used for buffering the assembly head 321.
The assembly process of the gasket 7 and the clamp 6 is as follows: the third displacement mechanism 31 drives the fitting head 321 and the pressing plate 323 to above the chuck 22, and the fitting head 321 is coaxially aligned with the claws 221, that is, the top surface of the claws 221 are in contact with the bottom surface of the fitting head 321, and at the same time, the claws 221 Zhang Kaizhi are in a state of equal diameter or slightly larger than the diameter of the fitting head 321. The washer 7 is pushed up by the push plate 23 until the washer 7 is removed from the claw 221 and sleeved on the assembly head 321, and the washer 7 is shaped and flattened under the condition that the push plate 23 is pressed against both sides of the pressing plate 323. Finally, the third displacement mechanism 31 drives the assembly head 321 and the pressing plate 323 to be above the assembly seat 14, the assembly head 321 presses down against the igniter 6 on the assembly seat 14, and the probe of the igniter 6 penetrates into the probe hole 3211. The pressing plate 323 presses down the cushion ring 7 until it is fitted over the outer wall of the igniter 6. Thus, the assembly of the igniter 6 and the gasket 7 is completed, and an intermediate assembly is obtained.
In this embodiment, the probe holes 3211 are provided to effectively protect the probes of the igniter, and the assembly head 321 is connected with the first buffer spring 322 to facilitate protecting the main body of the igniter 6 from being crushed.
As shown in fig. 14, the second assembling means 4 is for picking up the intermediate assembly of the assembled igniter 6 and the washer 7 from the assembling seat 14 and assembling it into the housing 8. The second assembling device 4 includes a turning mechanism 41, a rotary jig 42, a fourth displacement mechanism 45 for driving the rotary jig 42 to move horizontally and vertically, a visual inspection mechanism 43, and a jacking mechanism 44. The turnover mechanism 41 is used for clamping and turnover the intermediate assembly from the assembly seat 14, and the rotary clamp 42 is used for clamping and rotating the intermediate assembly from the turnover mechanism 41 and assembling with the shell 8.
As shown in fig. 15, the flipping mechanism 41 includes a flipping jaw displacement mechanism 413, and the flipping jaw displacement mechanism 413 may include a cylinder that is horizontally and vertically displaced. The output end of the turnover clamping jaw shifting mechanism 413 is fixedly provided with a turnover driving mechanism 412, and the turnover driving mechanism 412 is a rotary cylinder. The rotating output shaft of the turnover driving mechanism 412 is fixedly connected with a turnover clamping jaw 411, and the turnover driving mechanism 412 is used for realizing 180-degree turnover of the turnover clamping jaw 411.
As shown in fig. 16, the turning clamping jaw 411 is provided with two turning clamping fingers 4111, opposite surfaces of the two turning clamping fingers 411 are provided with profiling structures matched with the middle assembly, and the width of the turning clamping fingers 411 on the horizontal plane is slightly smaller than the width of the yielding port 141 of the assembly seat 14.
As shown in fig. 17, the rotary jig 42 includes a fitting collet 425 and a dial 423, and the fitting collet 425 passes through a through hole in the dial 423.
The assembly collet 425 is fixedly connected with the rotary motor 424, and the rotary motor 424 can drive the assembly collet 425 to rotate. The pulling plate 423 is fixedly connected with the pulling plate cylinder 422, and the pulling plate 423 can open the assembling clamp 425 under the driving of the pulling plate cylinder 422. The toggle plate cylinder 422 and the rotary motor 424 are fixedly connected with the fourth displacement mechanism 45.
As shown in fig. 18 and 19, the fitting collet 425 includes a stopper 4251, a spindle 4252, a grip head 4253, a grip spring 4254, and a notch 4255. The limiting portion 4251 is provided with a cavity in which the intermediate assembly can be accommodated. A notch 4255 for accommodating the turnover clamping finger 4111 is arranged between the limiting parts 4251. Two symmetrical clamping heads 4253 are arranged around the cavity of the limiting part 4251, and the clamping heads 4253 are hinged with the assembling clamp 425 through rotating shafts 4252. The inner side of the top of the clamping head 4253 (towards the side of the axle center of the middle assembly) is in contact with the clamping spring 4254, and the outer side of the top of the clamping head 4253 is provided with a convex outer edge which can be in contact with the pulling plate 423. When the pulling plate 423 moves up under the driving of the pulling plate cylinder 422, the pulling plate 423 abuts against the clamping head 4253, the pulling plate 423 rotates around the rotation shaft 4252, the clamping spring 4254 is pressed, and the assembly chuck 425 is in an open state.
As shown in fig. 20, the visual detection mechanism 43 is located directly below the assembly collet 425, and can detect whether the angle of the intermediate component in the assembly collet 425 is correct, if there is a deviation, the rotating motor 424 drives the assembly collet 425 to rotate until the intermediate component reaches the target position. The vision detection mechanism 43 includes a vision camera 431 and an aperture 433, the vision camera 431 is fixedly mounted on a fine adjustment sliding table 432, and the fine adjustment sliding table 432 can realize fine adjustment of the position of the vision camera 431.
As shown in fig. 21, the jacking mechanism 44 includes a jacking head 441, a second buffer spring 442 connected to the jacking head 441, and a jacking cylinder 444 for driving the jacking head 441 to jack up, and a proximity switch 443 for detecting the vertical position of the jacking head 441. The jacking head 441 is provided with a hollow inner hole 4411, the inner hole 4411 is communicated with the top surface of the jacking head 4411, and the inner hole 4411 is used for accommodating and protecting the probe of the igniter 6. The second buffer spring 442 is connected to the lower portion of the jack 441, so as to effectively buffer the pressure of the jack.
As shown in fig. 22, the housing moving device 5 includes a housing jig 52 and a fifth displacement mechanism 51 for driving the housing jig 52 to be displaced horizontally and vertically. The fifth displacement mechanism 51 may include one or more of a horizontal displacement cylinder and a vertical displacement cylinder for effecting the driving of the housing clamp 52 to grasp the housing 8 from the station of the previous process to the station of the present process.
As shown in fig. 23, 24 and 25, the housing clamp 52 includes a housing jaw 521 for clamping the housing 8, a housing jaw cylinder 522, a connection plate 523, and a stopper cylinder 524. The housing jaw 521 is fixedly connected to a housing jaw cylinder 522, and the housing jaw cylinder 522 is used to drive the opening and clamping of the housing jaw 521. A connecting plate 523 is arranged above the shell clamping jaw 521, a through hole is arranged on the connecting plate 523, a limiting cylinder 524 is arranged in the through hole, and a through hole is arranged in the center of the limiting cylinder 524.
The bottom of the limiting cylinder 524 is provided with a pressing edge 5241, the pressing edge 5241 is of a cylindrical structure, the pressing edge 5241 can be abutted against the upper surface of the shell 8, and the limiting cylinder 524 is matched with the shell clamping jaw 521, so that effective fixation of the shell 8 can be realized.
The assembly process of the intermediate assembly and the shell 8 is as follows:
the first step: the turnover mechanism 41 clamps the intermediate assembly from the assembly seat 14, when clamping, the turnover clamping fingers 4111 firstly extend into the yielding ports 141, then clamp the intermediate assembly and remove, and finally the turnover mechanism 41 turns the intermediate assembly 180 degrees.
And a second step of: the rotating clamp 42 moves to above the intermediate assembly, the turning clamp finger 4111 is positioned in the notch 4255 of the assembly clamp 425, after the clamping head 4253 clamps the intermediate assembly, the rotating clamp 42 moves to above the vision camera 431, and the intermediate assembly is rotated to the target position according to the angle deviation detected by the vision camera 431.
And a third step of: the housing clamp 52 moves the housing 8 to above the jacking mechanism 44, and the mounting hole 81 of the housing 8 is opposite to the jacking head 441; at the same time, the rotary jig 42 moves the intermediate assembly to above the housing 8 with the probe of the igniter 6 facing the mounting hole 81 and the inner bore 4411 of the jacking head 441.
Fourth step: the jacking head 441 is lifted to support the igniter 6, and the probe of the igniter 6 extends into the inner hole 4411 of the jacking head 441. The rotary jig 42 moves down in synchronization with the jacking head 441 until the intermediate assembly is put into the mounting hole 81 of the housing 8, and the rotary jig 42 releases the intermediate assembly.
The foregoing description of the preferred embodiment of the invention is merely illustrative of the invention and is not intended to be limiting. It will be appreciated by persons skilled in the art that many variations, modifications, and even equivalents may be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The automatic assembly equipment of the safety airbag igniter is characterized by comprising an igniter material taking device (1), a gasket material taking device (2), a first assembly device (3), a second assembly device (4) and a shell moving device (5);
The igniter extracting device (1) comprises an igniter discharging mechanism (11), an assembling seat (14) and an igniter clamping jaw (13) for moving an igniter (6) from the igniter discharging mechanism (11) to the assembling seat (14);
The gasket material taking device (2) comprises a gasket material distributing mechanism (21) and a gasket switching mechanism, wherein the gasket switching mechanism is used for transferring gaskets (7) from the gasket material distributing mechanism (21) to the first assembling device (3);
The first assembly device (3) comprises a gasket assembly mechanism (32), the gasket assembly mechanism (32) being used for assembling the gasket (7) onto the igniter (6) of the assembly seat (14);
The shell moving device (5) is used for clamping and fixing the shell (8);
-said second assembly means (4) for picking up from said assembly seat (14) the intermediate assembly of the assembled igniter (6) and the gasket (7) and assembling it inside said casing (8);
The second assembling device (4) comprises a turnover mechanism (41) and a rotary clamp (42), wherein the turnover mechanism (41) is used for clamping the intermediate assembly from the assembling seat (14) and turning over, and the rotary clamp (42) is used for clamping the intermediate assembly from the turnover mechanism (41) and rotating;
The turnover mechanism (41) comprises turnover clamping jaws (411), the turnover clamping jaws (411) are provided with turnover clamping fingers (4111), the rotary clamp (42) comprises an assembly clamp head (425), the assembly clamp head (425) is provided with a notch (4255), and the notch (4255) is used for accommodating the turnover clamping fingers (4111);
The ignition tool discharging mechanism (11) comprises an ignition tool material channel (111), a first stop component (12) and a first photoelectric sensor (112), a channel for the ignition tool (6) to pass through is arranged in the ignition tool material channel (111), a profiling structure matched with the shape of the ignition tool (6) is arranged in the channel, and a long and narrow gap is formed above the channel and used for accommodating the probe of the ignition tool (6) to pass through.
2. The automatic assembly device of an airbag igniter of claim 1, wherein the igniter pick-up device (1) further comprises a first stop assembly (12), the first stop assembly (12) comprises a first material dividing rod (121) and a first stop lever (122), the igniter discharge mechanism (11) comprises an igniter material channel (111), and when an outlet of the igniter material channel (111) is free, the first stop lever (122) stops at the outlet of the igniter material channel (111), and the first material dividing rod (121) is lifted; when the igniter (6) moves to the outlet of the igniter channel (111), the first material distributing rod (121) is pressed down to block the igniter (6) in the igniter channel (111) from moving continuously, and the first stop rod (122) moves away from the outlet of the igniter channel (111).
3. An automatic assembly device of an airbag igniter as defined in claim 1 wherein said gasket dispensing mechanism (21) comprises a gasket channel (211), a second dispensing lever (213) and a baffle (214), said baffle (214) being stopped at an outlet of said gasket channel (211) when an outlet of said gasket channel (211) is empty, said second dispensing lever (213) being raised; when the gasket (7) moves to the outlet of the gasket material channel (211), the second material distributing rod (213) presses down to stop the gasket (7) in the gasket material channel (211) from moving continuously, and the baffle plate (214) moves away from the outlet of the gasket material channel (211).
4. An automatic assembly device for an airbag igniter as defined in claim 3 wherein said gasket magazine (211) comprises a pallet (2112) and a cover plate (2111) covering said pallet (2112), said pallet (2112) being provided with a take-out opening (2113), said gasket transfer mechanism comprising a chuck (22), said jaws (221) of said chuck (22) being capable of extending into said take-out opening (2113) to pick up said gasket (7).
5. An automatic assembly device of an airbag igniter according to claim 4, characterized in that the first assembly means (3) comprises a gasket assembly mechanism (32), the gasket assembly mechanism (32) comprising an assembly head (321) and a press plate (323), the gasket transfer mechanism further comprising a push plate (23), the push plate (23) being adapted to push the gasket (7) from the claw (221) onto the assembly head (321), the press plate (323) being adapted to press-fit the gasket (7) onto the igniter (6) in the assembly seat (14).
6. An automatic assembly device of an airbag igniter according to claim 5, characterized in that the assembly head (321) is provided with a probe hole (3211), the probe hole (3211) being adapted to receive a probe of the igniter (6).
7. An automatic assembly device for an airbag igniter according to claim 1, wherein the housing moving means (5) comprises a housing jig (52), and the housing jig (52) comprises a housing jaw (521) and a stopper cylinder (524) having a through hole in the center.
8. An automatic assembly device of an airbag igniter according to claim 7, wherein the second assembly means (4) further comprises a lifting mechanism (44), the lifting mechanism (44) comprising a lifting head (441) and a second buffer spring (442) connected to the lifting head (441).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399535.3A CN110014293B (en) | 2019-05-14 | 2019-05-14 | Automatic assembly equipment of air bag igniter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910399535.3A CN110014293B (en) | 2019-05-14 | 2019-05-14 | Automatic assembly equipment of air bag igniter |
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| CN110014293A CN110014293A (en) | 2019-07-16 |
| CN110014293B true CN110014293B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910399535.3A Active CN110014293B (en) | 2019-05-14 | 2019-05-14 | Automatic assembly equipment of air bag igniter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111745507A (en) * | 2020-07-08 | 2020-10-09 | 内蒙航天动力机械测试所 | Special tool for polishing and pressurizing engine assembly |
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| CN110014293A (en) | 2019-07-16 |
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Address after: 315000 building 4, No. 99, Qingyi Road, high tech Zone, Ningbo City, Zhejiang Province Applicant after: Ningbo Junpu Intelligent Manufacturing Co.,Ltd. Address before: 315040 025 025 Ju Xian Road, hi tech Zone, Ningbo, Zhejiang. Applicant before: NINGBO PIA AUTOMATION Co.,Ltd. |
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