Nut fetching device
Installation auxiliary device technical field is the utility model is related to, more particularly to a kind of nut fetching device.
In acoustical device, the device with nut often draws nut installation using getter device, and this process exists a lot
Drawback.First, during nut is drawn, process of the nut in installation is likely to result in because suction is unstable for getter device
In drop, cause display alarm, it is necessary to release alarm and nut need to be drawn again, lose time, reduce operating efficiency；Two
It is that the nut drawn is placed into mould, causes nut to be positioned in mould because suction nozzle control is bad and forbidden to cause nut to put askew, have
Higher pressing mold risk.
Utility model content
For disadvantages described above, technical problem to be solved in the utility model is to provide a kind of nut fetching device, this spiral shell
Female fetching device effectively solves the caducous problem of nut in installation process, while improves the accurate positioning of nut
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of nut fetching device, including air valve device, the air valve device include cylinder and are arranged on the cylinder end
The valve in portion, it is characterised in that：Opening position on the cylinder close to the valve is provided with locking mechanism, is set in the cylinder
It is equipped with ejecting structure.
As an improvement the locking mechanism includes multiple steel balls installed in the cylinder the week side of boss, on the cylinder
The opening position of corresponding each steel ball is provided with mounting hole, and the diameter of the mounting hole is less than the bulb diameter of the steel ball, each institute
State the week side of boss that steel ball is arranged on the cylinder by same rubber ring.
As an improvement the opening position that the week side of boss of the cylinder corresponds to the steel ball is provided with the first annular groove,
The mounting hole is arranged on the bottom of first groove, and the steel ball corresponds to the mounting hole and is arranged on first groove
It is interior.
As an improvement the ejecting structure includes the slide bar being slidably mounted in the cylinder, the slide bar is close
One end of the locking mechanism is thinner, and the other end is thicker, and the accommodating chamber being adapted with the slide bar, institute are provided with the cylinder
The thinner end for stating slide bar can be slid through the locking mechanism.
As an improvement the thinner end of the slide bar is arranged with the first elastic component resetted for the slide bar, it is described
One end of first elastic component is against the relatively butt end of the slide bar, and the other end is against on the cylinder.
As an improvement the second groove that annular is relatively provided with butt end of the slide bar, second groove is interior to pacify
Equipped with oil sealing.
As an improvement the slide bar is internally provided with through hole, the bearing of trend of the through hole and the slide bar
Bearing of trend is consistent；The through hole is provided with the ejection for sliding through the locking mechanism close to one end of the locking mechanism
Bar, one end of the knock-pin are located in the cylinder, and the other end of the knock-pin is located in the through hole；The through hole
The other end is provided with locking member, and the second elasticity is provided with the through hole between the knock-pin and the locking member
As an improvement the opening position that second elastic component is corresponded on the slide bar is provided with steam vent, the row
Stomata and the perpendicular setting of the through hole.
As an improvement the locking member is lock-screw.
As an improvement end of the cylinder away from the valve is provided with the joint being connected with pneumatic shuttle.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Due to nut fetching device provided by the utility model, including air valve device, air valve device includes cylinder and setting
Opening position close to valve on the valve of barrel end, cylinder is provided with locking mechanism, and ejecting structure is provided with cylinder.
In use, the valve of air valve device is aligned into nut, press down on, or air valve device is motionless, nut is upward by thimble
Head into the valve of air valve device, by the locking mechanism on cylinder by nut check, so, nut moves in air valve device
Process would not be dropped, and after reaching specified location, the ejecting structure in cylinder is promoted by external force, will by ejecting structure
Nut is ejected to specified location from locking mechanism so that nut is smoothly installed to specified location, realizes the accurate peace of nut
Dress.By the above-mentioned course of work, nut fetching device provided by the utility model compared with prior art for, have it is following
First, solve the problems, such as that getter device suction shakiness during nut is drawn easily comes off in the prior art, takes off
Not only need to draw nut again after falling, and need to release monitor alarm, waste of time, after nut fetching device
Nut stably will not fall off, and reduce pressing mold risk, reduces repair a die cost and man-hour, improves production efficiency；
2nd, nut is installed using nut fetching device, nut is ejected to specified location by ejecting structure, makes nut
Installation positioning is more accurate, and yield carries 30%, and Production Gain is substantially improved.
In summary, the utility model nut fetching device, it is caducous effectively to solve the nut in installation process
Problem, while improve the locating accuracy of nut.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model nut fetching device；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the sectional view of B-B in Fig. 1；
In figure：1. cylinder, 11. first grooves, 12. mounting holes, 2. valves, 3. steel balls, 4. rubber rings, 5. slide bars, 51.
Second groove, 52. through holes, 53. steam vents, 6. first elastic components, 7. oil sealings, 8. knock-pins, 9. lock-screws, 10. second bullets
Property part, 13. joints.
With reference to the accompanying drawings and examples, the utility model is expanded on further.
The orientation being related in this specification is defined by orientation during the utility model nut fetching device normal work,
Orientation when its storage and transport is not limited, is only represented relative position relationship, is not represented absolute position relationship.
As shown in figure 1, nut fetching device, including air valve device and the pneumatic shuttle for driving air valve device, valve
Device includes cylinder 1 and is arranged on the valve 2 of the taper of the end of cylinder 1.
As shown in Fig. 2 the opening position of close valve 2 is provided with the locking knot for blocking the nut in valve 2 on cylinder 1
Structure, is provided with the ejecting structure for nut to be ejected out of locking device in cylinder 1, preferred ejecting structure in this real mode
Power set are pneumatic shuttle, and end of the cylinder 1 away from valve 2 is provided with the joint 13 being connected with pneumatic shuttle.
As shown in Figure 1 to Figure 3, locking mechanism includes the multiple steel balls 3 for being used to block nut installed in the week side of boss of cylinder 1,
Nut in present embodiment is by taking mobile phone nut as an example, while the steel ball 3 in present embodiment is preferably provided with three, three
Steel ball 3 is stuck in the groove of mobile phone nut；The opening position that each steel ball 3 is corresponded on cylinder 1 is respectively arranged with mounting hole 12, peace
The diameter for filling hole 12 is less than the bulb diameter of steel ball 3, and each steel ball 3 is arranged on the week side of boss of cylinder 1 by rubber ring 4.
As shown in Fig. 2 the week side of boss of cylinder 1 correspond to each steel ball 3 opening position be provided with annular the first groove 11, three
Mounting hole 12 is arranged on the bottom of the first groove 11, and the corresponding mounting hole 12 of steel ball 3 is arranged in the first groove 11.
As shown in Fig. 2 ejecting structure includes being slidably mounted on slide bar 5 in cylinder 1, slide bar 5 close to locking mechanism one
End is thinner, and the other end is thicker, and the accommodating chamber being adapted with slide bar 5 is provided with cylinder 1；Positioned at slide bar 5 compared with butt end cylinder 1 with
Pneumatic shuttle is connected, and the thinner end of slide bar 5 can be slid through locking mechanism and be used to eject nut；Covered on the thinner end of slide bar 5
Provided with the first elastic component 6 resetted for slide bar 5, preferably the first elastic component 6 is spring in present embodiment, the first elastic component 6
One end be against the relatively butt end of slide bar 5, the other end is against on cylinder 1；Slide bar 5 is relatively provided with the second recessed of annular on butt end
Groove 51, oil sealing 7 is installed in the second groove 51；Slide bar 5 is internally provided with through hole 52, bearing of trend and the slide bar 5 of through hole 52
Bearing of trend it is consistent；Through hole 52 is provided with the knock-pin 8 for sliding through locking mechanism, knock-pin close to one end of locking mechanism
8 one end is located in cylinder 1, and the other end of knock-pin 8 is located in through hole 52；The other end of through hole 52 is provided with locking member, this
The preferred locking member of embodiment is lock-screw 9, is located at, and second is provided with the through hole 52 between knock-pin 8 and lock-screw 9
Elastic component 10, present embodiment preferably the second elastic component 10 are also spring.
As shown in Fig. 2 the opening position of corresponding second elastic component 10 is provided with steam vent 53 on slide bar 5, steam vent 53 is with leading to
52 perpendicular setting of hole.
When in use, the valve 2 of air valve device is directed at nut, pressed down on, or air valve device is motionless, nut leads to
Cross thimble to head into upwards in the valve 2 of air valve device, blocked nut check, i.e. three steel balls 3 by the locking mechanism on cylinder 1
Enter in the groove of nut, nut is stuck in valve 2, so, nut would not drop in the process that air valve device moves.
After air valve device is moved to specified location, the ejecting structure in cylinder 1, i.e. gas are promoted by pneumatic shuttle
Pressure promotes the slide bar 5 in the cylinder 1 and the knock-pin 8 in slide bar 5, by knock-pin 8 by nut from locking mechanism
Middle ejection to pneumatic shuttle after specified location is died so that nut is smoothly installed to specified location, realizes the accurate peace of nut
Dress；Then slide bar 5 and knock-pin 8 reset under the elastic force effect of the first elastic component 6, wait for the installation of next nut.
When knock-pin 8 ejects nut, due to being provided with the in the through hole 52 between knock-pin 8 and lock-screw 9
Two elastic components 10, the opening position of corresponding second elastic component 10 is provided with and through hole 52 is perpendicular sets steam vent 53 on slide bar 5,
By the cushioning effect of the second elastic component 10, nut can be effectively protected and knock-pin 8 is injury-free, ensure that installation nut
Quality, while steam vent 53 drains the gas in through hole 52 in time, has ensured being normally carried out for installment work.
By the above-mentioned course of work, nut fetching device provided by the utility model compared with prior art for, solution
Getter device in the prior art of having determined in suction during drawing nut unstable the problem of easily coming off, not only needs after coming off
Again nut is drawn, and needs to release monitor alarm, waste of time, will not stably be taken off using nut fetching device back nut
Fall, reduce pressing mold risk, reduce repair a die cost and man-hour, improve production efficiency；Pacified simultaneously using nut fetching device
Loading nut, nut is ejected to specified location by ejecting structure, pneumatic shuttle is died, and makes the installation positioning of nut more accurate
Really, yield carries 30%, and Production Gain is substantially improved.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all falls within the scope of protection of the utility model.