CN102463654A

CN102463654A - Nut sinking device

Info

Publication number: CN102463654A
Application number: CN2010105318493A
Authority: CN
Inventors: 陈逸儒
Original assignee: Shenzhen Yuzhan Precision Technology Co ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Yuzhan Precision Technology Co ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-11-04
Filing date: 2010-11-04
Publication date: 2012-05-23

Abstract

The invention provides a nut sinking device, which is provided for sinking a nut in a nut hole of a workpiece. The device comprises a substrate and at least an ejection assembly, wherein the ejection assembly is fixed on the substrate. The ejection assembly comprises: a fixation bush, wherein the fixation bush is fixed on the substrate and forms an accommodation space; an ejection bush arranged inside the accommodation space, wherein the ejection bush is provided with a middle hole, and has an ejection component; an ejector sleeve pin, wherein the nut can be assembled on one end of the ejector sleeve pin after the end penetrates through the middle hole. According to the present invention, when the relative positioning of the ejector sleeve pin and the nut hole is performed, the ejection bush moves along the ejector sleeve pin with the external force effect, and the ejection component ejects the nut into the nut hole.

Description

Bury nut apparatus

Technical field

The device of nut is installed when the present invention relates to a kind of in-mould injection, is related in particular to a kind of device of placing a plurality of nuts simultaneously.

Background technology

A plurality of nuts are installed, so that the connector when assembling on plasthetics such as the phone housing as mobile phone.Yet mostly in-mould injection section injection moulding nut is it all is through manual placement at present.Because the size of nut is less and the mould inner nut near other structures are arranged, cause placement speed slow, the position of placement is not accurate enough, production efficiency is low and scald operating personnel's hand easily.

Summary of the invention

In view of this, be necessary to provide a kind of device that nut is installed.

The present invention provides a kind of nut apparatus that buries; This device is used for nut is embedded in the nut bore of workpiece; This device comprises a substrate and at least one ejection assembly; This at least one ejection assembly is fixed on this substrate, and this ejection assembly comprises: a fixed muffle, this fixed muffle are fixed on the aforesaid substrate and form a receiving space; One is arranged at the sleeve that ejects in the above-mentioned receiving space, and this ejects sleeve and offers an interstitial hole and have an ejection part; One ejector pin, after this ejector pin one end passed above-mentioned interstitial hole, this nut can be assemblied on this end; When ejector pin and nut bore relative positioning, this ejects sleeve and moves along ejector pin under external force, and said ejection part heads into nut in the nut bore.

Use this to bury nut apparatus, work once can accurately be placed the nut bore of a plurality of nuts in workpiece, compares manual placement nut and has tangible advantage.

Description of drawings

Fig. 1 buries the stereogram of nut apparatus for the present invention's one preferred embodiments.

Fig. 2 is the part explosive view that buries nut apparatus shown in Figure 1.

Fig. 3 is the cross section view on the direction III-III shown in Figure 1.

Fig. 4 is a cross section view on the substrate IV-IV direction shown in Figure 2.

Fig. 5 buries the plane of nut apparatus ejector pin shown in being.

The main element symbol description

Bury nut apparatus	1
		Substrate	10
Fixing hole	11
		Locating hole	12
Accepting hole	13
		Pipeline	14
Joint	15
		Connecting plate	20
Ejection assembly	30
		Fixed muffle	31
First end	311
		The second end	312
First hole	313
		Second hole	314
The shaft shoulder	315
		The threaded portion	316
Sealing ring	32
		Eject sleeve	33
Flange part	331

Ejection part	332
		Connecting portion	333
Interstitial hole	334
		Elastic component	34
Ejector pin	35
		Head	351
Bar portion	352
		The tapering	353
Elastic component	36
		Abutment sleeve	37
Knock-pin	38
		Workpiece	2
Nut bore	A
		Nut	3
Screwed hole	B

The specific embodiment

See also Fig. 1 and Fig. 2, bury the stereogram of nut apparatus 1 for the present invention's one preferred embodiments.This device 1 is used for nut 3 is embedded in the nut bore A of workpiece 2, and wherein this nut 3 has a screwed hole B.This device 1 comprises a substrate 10, a plate 20, several ejection assemblies 30 and several alignment pins 40.In the middle of this embodiment, the quantity of said ejection assembly 30 and alignment pin is four.This ejection assembly 30 is fixed on the aforesaid substrate 10, and its position that is positioned on the substrate 10 is corresponding with the nut bore A position of workpiece 2.

Please consult figure Fig. 3 in the lump, this substrate 10 is writing board shape.This substrate 10 roughly offers four fixing holes 11 and four locating holes 12 near four drift angles.This fixing hole 11 is for having the blind hole of internal thread, and its bottom is offered an accepting hole 13 (with reference to Fig. 5) and constituted a ladder pore structure.These substrate 10 inside offer the pipeline 14 that is communicated with each fixing hole 11, and this pipeline 14 is communicated with exterior line through a connector 15, like fluid pressure line, pneumatic circuit etc.

This connecting plate 20 is fixedly connected on the back of substrate 10, and this connecting plate 20 is fixed on the drive unit (scheming not shown).This drive unit is used to drive connecting plate 20 and drives this device 1 relative workpiece 2 motions.

This ejection assembly 30 comprises that a fixed muffle 31, a sealing ring 32, eject sleeve 33 1 elastic components 34, an ejector pin 35 and another elastic component 36.

This fixed muffle 31 roughly is cylindrical shape, and it comprises first end 311 and the second end 312.Offered first hole 313 on this first end 311, these 313 coaxial second holes 314 that offer, the second end 312 relative first holes.This first hole 313 and second hole 314 are interconnected and form the receiving space of a stairstepping.Because the radius in first hole 313 less than the radius in second hole 314, makes its common junction form a ring-like shaft shoulder 315 (as shown in Figure 5).These the second end 312 outer walls have a threaded portion 316 are arranged, and this fixed muffle 31 is fixed on the fixing hole 11 of substrate 10 through this threaded portion 316.Sealing circle 32 is sheathed on the threaded portion 316 of fixed muffle 31, is used for fixing hole 11 is isolated with extraneous each other.

This ejects sleeve 33 and is arranged at slidably in the receiving space of

first hole

313 and 314 formation of second hole.This ejects sleeve 33 and comprises an interconnected flange part 331, a junction 333 and an ejection part 332, and this flange part 331 is connected on two opposite ends of connecting portion 333 with ejection part 332.The radius of this connecting portion 333 is slightly less than the radius in above-mentioned first hole 313, and these flange part 331 radiuses are between the radius in above-mentioned first hole 313 and second hole 314.The radius value of this ejection part 332 is less than the radius of this connecting portion 333.This ejects sleeve 33 centre positions and offers an interstitial hole 334, and this interstitial hole 334 is for running through the through hole of flange part 331 and ejection part 332.This ejects sleeve 33 and is arranged at slidably in the receiving space of

first hole

313 and 314 formation of second hole, and wherein ejection part 332 passes this first hole 313.

In the middle of this embodiment, this elastic component 34 is a coil type spring.This elastic component 34 is sheathed on and ejects on the sleeve 33, and two ends are replaced the flange part 331 and the shaft shoulder 315 respectively.

Please with reference to Fig. 4, this ejector pin 35 is the stock shape.This ejector pin 35 comprises a head 351 and a bar portion 352, and wherein the end of this bar portion 352 is formed with a tapering 353.Wherein the radius value of this bar portion 352 is slightly larger than the radius of nut 3 screwed hole B, and this tapering 353 is from bar portion 352 that smaller angle α tilt to extend and radius value reduces gradually.In the middle of this embodiment, the tilt angle alpha in this tapering 353 is 5 °.This bar portion 352 is arranged in the interstitial hole 334 that ejects sleeve 33, and this head 351 is arranged in the accepting hole 13 of substrate 10, and this tapering 353 passes the ejection part 332 that ejects sleeve 33.

This elastic component 36 is identical with the shape of elastic component 34, is provided with in the accepting hole 13 to its compression.

These four alignment pin 40 respective fixation are in four locating holes 12 of substrate 10.When being used to realize this device 1 with workpiece 2 relative motions, this alignment pin 40 accurately locatees.

It is as shown in Figure 5 when assembling is accomplished.During work, nut 3 is sheathed on this tapering 353, this connecting plate 20 drives the tapering 353 of this device 1 and aligns with the nut bore A of workpiece 2 under the driving of drive unit, simultaneously compression elastic piece 36.At this moment, open the air pressure or the hydraulic means that are connected with joint 15, make liquid or gas 14 flow in the fixing hole 11 by the road.Under the promotion of liquid or gas pressure, this ejects sleeve 33 and heads in the nut bore A along the nut 3 that ejector pin 35 moves on will fixing this tapering 353.

In the middle of another embodiment, this ejection assembly 30 also comprises a location sleeve 37 and a knock-pin 38.This abutment sleeve 37 is arranged in second hole 314 of fixed muffle 31, and this knock-pin 38 is arranged between this ejector pin 35 and the knock-pin 38.So make this ejector pin 35 when compression elastic piece 36, its center can not departed from.This knock-pin 38 is used for transmission fluid pressure or atmospheric pressure, and under it promoted, this ejected sleeve 33 and can slide along ejector pin 35.

Claims

1. one kind is buried nut apparatus, is used for nut is embedded in the nut bore of workpiece, and this device comprises a substrate and at least one ejection assembly, and this at least one ejection assembly is fixed on this substrate, and this ejection assembly comprises:

One fixed muffle, this fixed muffle are fixed on the aforesaid substrate and form a receiving space;

One is arranged at the sleeve that ejects in the above-mentioned receiving space, and this ejects sleeve and offers an interstitial hole and have an ejection part;

One ejector pin, after this ejector pin one end passed above-mentioned interstitial hole, this nut can be assemblied on this end;

When ejector pin and nut bore relative positioning, this ejects sleeve and moves along ejector pin under external force, and said ejection part heads into nut in the nut bore.

2. the nut apparatus that buries according to claim 1 is characterized in that: this device comprises that also one is fixed in the connecting plate on the substrate, and this connecting plate is connected with a drive unit, and this drive unit is used to drive this connecting plate and drives the relative workpiece motion s of this device.

3. the nut apparatus that buries according to claim 1 is characterized in that: this device also comprises and is fixed at least one alignment pin on the substrate, is used to realize this device and workpiece location.

4. the nut apparatus that buries according to claim 1; It is characterized in that: this ejection assembly is offered at least one fixing hole with internal thread; This at least one fixed muffle one end forms the threaded portion, and this threaded portion and fixing hole screw togather and make fixed muffle be fixed on the substrate.

5. the nut apparatus that buries according to claim 4; It is characterized in that: this fixing hole comprises first hole and second hole that is interconnected; Wherein form a shaft shoulder between first hole and second hole; This ejects sleeve and also comprises an a junction and a flange part, and this flange part and the shaft shoulder are used to prevent to eject sleeve and fixing hole breaks away from.

6. the nut apparatus that buries according to claim 5; It is characterized in that: this substrate comprises that also the pipeline and that is communicated with fixing hole is connected the joint of hydraulic pressure or pneumatic compression devices; When hydraulic pressure or pneumatic compression devices unlatching; Liquid or gas flow in the fixing hole, and then promote to eject the nut that sleeve will be fixed on the ejector pin and head in the nut bore.

7. the nut apparatus that buries according to claim 6, it is characterized in that: this ejection assembly also comprises the sealing ring that is sheathed on the threaded portion, is used for fixing hole is isolated with extraneous each other.

8. the nut apparatus that buries according to claim 5, it is characterized in that: this ejection assembly also comprises the elastic component that is sheathed on the connecting portion, when ejecting after sleeve ejects nut, this ejects this elastic component effect sleeve and slides back original position along ejector pin.

9. the nut apparatus that buries according to claim 5; It is characterized in that: an accepting hole is formed on this fixing hole bottom, and this ejector pin comprises a head and a bar portion, and this head is contained in this accepting hole; The terminal tapering that forms of this bar portion, said nut sleeve is located on this tapering.

10. the nut apparatus that buries according to claim 9 is characterized in that: this ejection assembly also comprises another elastic component that is arranged between accepting hole and this head.