CN2636602Y

CN2636602Y - Conductive spring connector with stable pilot capacity

Info

Publication number: CN2636602Y
Application number: CN 03206358
Authority: CN
Inventors: 吕垚村
Original assignee: YINCI CO Ltd
Current assignee: YINCI CO Ltd
Priority date: 2003-07-24
Filing date: 2003-07-24
Publication date: 2004-08-25
Anticipated expiration: 2013-07-24

Abstract

The utility model relates to an electric conduction flexible connector with steady correcting capability, which is made as an hourglass-shaped spiral pressure spring component, the surface of the component is provide with an electric conduction treatment, the width of the diameter of the top part of the component is smaller than the width at the bottom part, the width of the diameter of the waist of the component is smaller than the width at the top part and the bottom part, thus the component is provided with a self-correcting capability in a strip installing groove, to make a convenience of sticking a seal when strip installing and accepting the steady absorbing of a suction nozzle on a processing equipment, and the component is carried to the processed goods to stick on, to form the electric conduction flexible connector on the processed goods, meanwhile, the component which is stuck on the processed goods can accept the absorbing of a suction nozzle, the component is compressed and the absorbing distance between the suction nozzle and the surface of the processed goods is reduced, to improve the firmness and the stability of the absorbing working during moving the processed goods.

Description

Conductive elastic connector with stable correcting ability

Technical field

The utility model relates to a kind of conductive elastic connector with stable correcting ability, a kind of helical compression spring assembly of making the hourglass form particularly is provided, it is applied on the process equipment that is provided with suction nozzle, by suction nozzle this assembly sticking is moved to machining object and to be sticked together, and utilize this assembly and make machining object can stablize sticking and the transport operation of accepting suction nozzle, and the transmission of electric signal.

Background technology

In the utility model, censure the process equipment that is provided with suction nozzle, (be also referred to as in the streets) between general work is to be found in surface-mount device (Surface Mounted Device, hereinafter to be referred as SMD) on, in SMD, has utilization surface mount technology (Surface Mounted Technology, hereinafter to be referred as SMT) processing machine, establish the tool suction nozzle on it, has the negative pressure sorptive force, energy sticking work package or machining object, the operation of moving of the row-coordinate formula of going forward side by side is processed assembly or machining object in SMD.Yet this assembly is to can be wait for to peg graft or stick together electronic building brick on machining object, the conductive elastic connector of discussing such as the utility model or be other resistance, electric capacity, transistor ... or the like, and this machining object can be printed circuit board (PCB) (PrintedCircuit Board is hereinafter to be referred as PCB); In other words, the relation between this assembly and the machining object, the electric signal contact structure that can be contained in various electronic products is loaded onto.

And it is known, in the streets to conduct electricity the formula elastomeric connector as the structure arrangement, and utilize suction nozzle on the SMT processing machine, with this assembly sticking and stick together technology on the PCB machining object, seen the technology that has United States Patent (USP) to be taken off for No. 6239393, this technology discloses contact operation tool and the device thereof between a kind of PCB of being applicable to and the SMD, include a spring that sticks together on PCB, and another is installed with the suction nozzle on the SMT processing machine, when when being undertaken that by SMD spring assembly sticked together processing operation on the PCB surface, can be by the collocation between spring assembly and suction nozzle structure, and make the sticking carrying and stick together the operation of processing more smooth.

But, suction nozzle that above-mentioned patented technology is taken off and spring assembly, because of belonging to special requirement, and processing cost is higher, so use up to now not general in the streets; Moreover the diameter difference of the top and bottom of this spring assembly is excessive, causes spring assembly easy run-off the straight phenomenon in band dress (Reel) groove, is unfavorable for the sticking of suction nozzle on the SMT processing machine; Long because of the height of this spring assembly simultaneously, behind the pressurized, the spacing that forces suction nozzle and PCB surface to form is excessive, is unfavorable for suction function sticking PCB in the suction nozzle, influences the stability of sticking accepting the suction nozzle sticking on the PCB, so SMD processing operation is caused obstruction.

Summary of the invention

The purpose of this utility model is exactly the defective that overcomes above-mentioned prior art, and a kind of conductive elastic connector with stable correcting ability is provided, and particularly this connector is a helical compression spring conductive component of making the hourglass form.

The purpose of this utility model realizes by following technical proposals, conductive elastic connector with stable correcting ability of the present utility model, include one and be beneficial to the assembly of accepting suction nozzle sticking on the process equipment, and this assembly can processed equipment be moved and is sticked together to another machining object fixingly, becomes the conductive elastic connector on this machining object; Wherein has air flue in this suction nozzle, and the exit, bottom that air flue extends to suction nozzle is to make the oblique cone shape suction inlet, tool negative pressure confinement capabilities, it is characterized by: this assembly is made hourglass shape helical compression spring form, and the width of top diameter is less than the diameter width of bottom, the waist diameter width of this assembly is less than the diameter width of top and bottom simultaneously, and this assembly is can be by sticking in the oblique cone shape suction inlet of said suction nozzle.

Said modules can with process equipment on have an oblique cone shape suction inlet suction nozzle match, make this assembly stable by the suction nozzle sticking.

The top diameter of said modules is less than base diameter, makes each independent assembly central point is stable when mobile in band dress (Reel) groove can not tilt, so the ability of the self-correcting of tool.

Said modules surface tool conduction (now being gold-plated) is handled, and is attached on the conductive junction point of machining object bottom the assembly, uses as the Elecrical connector on the machining object.

Said modules has a necking down shape waist, and its diameter width is less than the assembly top and bottom, therefore on the machining object by after cemented, have splendid compression performance, be beneficial to the stability when improving suction nozzle sticking machining object and carrying.

For adding again in detail structure of the present utility model is described in detail, and gives and enumerate a preferable enforcement and be elaborated in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the front view of connector of the present utility model;

Fig. 2 be connector of the present utility model in the band tankage and above the cut-away view of suction nozzle;

Fig. 3 is that connector of the present utility model is separately by the cut-away view of suction nozzle sticking;

Fig. 4 is that connector of the present utility model sticks together the schematic diagram on machining object;

Fig. 5 is the amplification cut-away view of the utility model by connector on the suction nozzle sticking crop.

The explanation of member numbering

1 assembly; 1 top; 12 waists; 13 bottoms; 2 machining object; 21 contacts;

3 process equipments; 31 interfaces; 4 suction nozzles; 41 air flues; 42 suction inlets; 5 band tankages;

51 cell walls; D1, D2, D3 width; H0, H1 height; The H2 distance.

Embodiment

At first referring to shown in Figure 1, it is the front view of the utility model conductive elastic connector assembly 1, knows the assembly 1 that constitutes connector as seen from the figure, makes the spiral conduction stage clip form of hourglass shape, has top 11, waist 12 and bottom 13.And 11 to the top in the waist 12 of this assembly 1 is to be reeled by spring base to form inverted cone-shaped, and is extended between the bottom 13 by waist 12 and to form the normal cone shape by the spring base coiling.

The external diameter width D 1 at said modules top 11, it is external diameter width D 3 (as figure one) less than its bottom 13, therefore lead (as Fig. 2) when holding when assembly 1 being put in the band tankage 5 of conveying equipment acceptance, assembly top 11 just can be close to 51 of the bilateral cell walls that retaining leans against band tankage 5, make its central point can not stablize, so the ability of tool oneself correcting, in the time of will helping the suction nozzle 4 of the process equipment 3 of aftermentioned embodiment to come sticking groove inner assembly 1, can be more accurate.

Moreover, the external diameter width D 2 of said modules waist 12 is less than the external diameter width D 1 at top 11 and the external diameter width D 3 (as Fig. 1) of bottom 13, so this assembly 1 has splendid compressibility, in other words, the normality height H 0 of assembly 1 is greater than the height H 1 (as Fig. 5) after being subjected to the external force pressure holding when assembly 1.

In Fig. 2, disclose and on a process equipment 3, be provided with cuing open of suction nozzle 4 and show state; This process equipment 3 can be the SMT processing machine or other has the displacement device of negative pressure source of the gas on the implementation, yet this suction nozzle 4 is negative pressure gas source interface 31 places that are fixed on process equipment 3.

Have an air flue 41 in this suction nozzle 4 and be connected, and the exit, bottom that this air flue 41 extends to suction nozzle 4 is to make oblique cone shape suction inlet 42 (as Fig. 2) with the negative pressure gas source interface 31 of above-mentioned process equipment 3.By by suction nozzle 4, be can be in the band tankage 5 with the assembly 1 of self-correcting accurately sticking in oblique cone shape suction inlet 42 in, hang and hold (as Fig. 3), and suction nozzle 4 also can be by the precise displacement ability of process equipment 3 (for example being the SMT processing machine), and assembly 1 is moved conductive junction point 21 positions to machining object 2, and weld the processing of sticking together such as glutinous or deadlocked, make assembly 1 be fixed on (as Fig. 4) on the machining object 2, wherein this assembly 1 is handled because of the surface applies conduction (now for gold-plated), so tool conductivity, therefore with after conductive junction point 21 is connected, this assembly 1 promptly uses as the conduction formula elastomeric connector on the machining object 2.

Above-mentioned machining object 2 can be the contact structure dress of printed circuit board (PCB) (PCB) or other electronic product, the assembly 1 of lifting as will the utlity model has conductivity and elastic force sticks together at great majority and is provided with on the electronic product of battery case, connector as circuit in battery cathode contact and the box uses, and these structure dresses all belong to range of application of the present utility model.

What is more, after the above-mentioned dress of structure (promptly having sticked together fixing) assembly 1 is on machining object 2, and desire to move machining object 2 and carry out other processing during operation, suction nozzle 4 on the process equipment 3, be once more that sticking is fixed on the assembly 1 on the machining object 2, and by the external diameter width D 2 of assembly waist 12 factor (as Fig. 1) less than the external diameter width D 3 of the external diameter width D 1 at top 11 and bottom 13, after making fixing assembly 1 be subjected to the negative pressure sticking, present pressurized and reduce the state (as Fig. 5) of the height H 1 of top 11 to bottom 13, under this state, to help to reduce suction nozzle 4 to the distance H 2 between machining object 2 surfaces, make the surface of going sticking machining object 2 that negative-pressure suckings in the suction nozzle 4 can be easier and more firm, use the stability when strengthening machining object 2 and being moved by sticking.

From the above, the utility model is made the connector assembly 1 of hourglass shape helical compression spring form, using except the ability that has self-correcting at band in the tankage 5 and as the Elecrical connector on the machining object 2, also can be by the necking down design of assembly waist 12, and represent bigger compressible distances, and then improve suction nozzle 4 elasticity sticking machining object 2 and stablize the abilities of moving, in addition, assembly of the present utility model still has handling ease, low cost, high durability, high stability, and be beneficial to and tear the convenience repaiied of assembling open, so can save complicated expensive structural design and assembling.

Claims

1, a kind of conductive elastic connector with stable correcting ability, it includes one and is beneficial to the assembly of accepting suction nozzle sticking on the process equipment, and this assembly can processed equipment be moved and is sticked together to another machining object fixingly, becomes the conductive elastic connector on this machining object; Wherein have air flue in this suction nozzle, and the exit, bottom that air flue extends to suction nozzle makes the oblique cone shape suction inlet, tool negative pressure confinement capabilities is characterized by:

This assembly is to be made for hourglass shape helical compression spring form, and the width of top diameter is less than the diameter width of bottom, and the waist diameter width of this assembly is less than the diameter width of top and bottom simultaneously, and this assembly is can be by sticking in the oblique cone shape suction inlet of said suction nozzle.

2, the conductive elastic connector with stable correcting ability according to claim 1, wherein this process equipment is that surface mount technology (SMT) processing machine in the device (SMD) is inlayed on the surface.

3, the conductive elastic connector with stable correcting ability according to claim 1, wherein this machining object is a printed circuit board (PCB).

4, the conductive elastic connector with stable correcting ability according to claim 1, wherein this machining object is the contact structure dress of electric signal on the electronic product.

5, the conductive elastic connector with stable correcting ability according to claim 1, wherein this assembly self-correcting in the band tankage separately.

6, the conductive elastic connector with stable correcting ability according to claim 1 after wherein this assembly is fixed on the machining object, can be accepted suction nozzle sticking and pressurized, with the distance between reduction suction nozzle bottom surface and machining object surface.