CN206948733U

CN206948733U - A kind of surface mount device for being used to produce LED flexible PCBs

Info

Publication number: CN206948733U
Application number: CN201720941630.8U
Authority: CN
Inventors: 谭凤林; 冯发强
Original assignee: Xiangneng Hualei Optoelectrical Co Ltd
Current assignee: Xiangneng Hualei Optoelectrical Co Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2018-01-30
Anticipated expiration: 2027-07-31

Abstract

The utility model provide it is a kind of be used to producing the surface mount devices of LED flexible PCBs, including cover plate setting up and down and bottom plate, for by FPC fixed settings T-shaped latch on the cover board, the positioning hole, registration holes and the multiple bar shaped ventilating openings that are arranged on cover plate and the locating dowel being arranged on bottom plate and multiple bar shaped support blocks；The position of the positioning hole and locating dowel corresponds to and is connected up and down, the position of the ventilating opening and support block up and down correspond to and with the position correspondence of the pin to be welded of component on FPC, the upper surface of support block is provided with high temperature resistant silicon rubber cushion, the registration holes and the position correspondence of FPC spacing holes and the inwall of registration holes is provided with magnet, the T-shaped latch is ferronickel material and through FPC spacing holes and inserted from top to bottom in registration holes.Described device is simple in construction and is applied to the production and processing of flexible PCB, support and good fixing effect to FPC, also follow-up solder reflow operation will not be caused to hinder.

Description

A kind of surface mount device for being used to produce LED flexible PCBs

Technical field

Semiconductor lamp production technical field is the utility model is related to, in particular it relates to which a kind of be used to produce LED flexible electricals The surface mount device of road plate.

Background technology

With the fast development that LED technology is applied, the market demand of LED lamp is increasing, and what is thus derived is all kinds of Unconventional light fixture also more and more welcomed by the people, such as water-proof lamp strip, large-scale light bar, it not only have outstanding hot spot and Light effects, and it is more extensive compared to traditional tube, purposes.Because the LED lamp of lamp bar or light bar type uses FPC (Flexible Printed Circui, flexible PCB) is used as lamp plate, have Distribution density is high, in light weight, thickness of thin, The advantages of bending property is good, can courageously be designed according to the lighting demand of indoor and outdoor.

The production process of above-mentioned light fixture is as follows：Tin cream is smeared on the FPC of blank first, then in the position for having smeared tin cream Put and place the components such as LED and capacitor and inductor respectively, then FPC is transferred in solder reflow device, pass through high temperature melting Melt tin cream and cool and solidify so that each component is firmly welded on FPC surface.Due to the flexible natures of FPC in itself, make It is placed in which can not be flattened, therefore easily there is the phenomenon being uneven, even off normal comes off in component, in addition lamp bar or Component number in light bar is numerous and is difficult to be discovered, and the product after welding, which inevitably exists, attaches off normal or sealing-off The defects of dead lamp, product quality is influenceed, damage company's interest.

Utility model content

The purpose of this utility model be to provide it is a kind of it is simple in construction, welded suitable for processing flexibility circuit board, component The good mounting device of effect, to solve the problems, such as to propose in background technology.

It is a kind of to be used to producing the surface mount devices of LED flexible PCBs, including cover plate setting up and down and bottom plate, be used for The T-shaped latch that FPC is fixedly installed on the cover plate, the positioning hole being arranged on the cover plate, registration holes and it is multiple mutually Parallel bar shaped ventilating opening and the locating dowel being arranged on the bottom plate and multiple bar shaped support blocks being parallel to each other；It is described The position of positioning hole and locating dowel corresponds to and is connected up and down, the position of the ventilating opening and support block correspond to up and down and with The position correspondence of the position correspondence of the upper components of FPC pin to be welded, the registration holes and FPC spacing holes, the T-shaped latch by On down through FPC spacing holes and inserting in the registration holes.

Preferably, resistant to elevated temperatures silicagel pad is additionally provided with the upper surface of the support block, FPC is bonded more flat It is whole.

Preferably, the cover plate and bottom plate are spliced by polylith substrate level, are consolidated between the substrate by connection sheet Even, and in addition to outermost two pieces of substrates, remaining every piece of substrate comprises at least a ventilating opening or support block.

Referring to Fig. 1, LED flexible PCBs production when use layout technique, i.e., be designed with one piece of FPC multiple lamp bars or Light bar, therefore can be by increasing and decreasing the number of substrates of the surface mount device so that the quantity and reality of ventilating opening and supporting table Production requirement matches, and applicability is good.

Preferably, the T-shaped latch is ferronickel material, and the inwall of the registration holes is provided with magnet, so as to realize To FPC fixation.

Technical scheme provided by the utility model has the advantages that：

The surface mount device is simple in construction, easy to use, can meet the LED or lamp bar of different dimensions Processing scheme, by setting T-shaped latch and supporting table to play good support and fixation to FPC, make LED and related first device Part attaches and well, solves the bad problem of quality that LED or lamp bar occur in attachment manufacture process, but also logical Cross and set ventilating opening to improve the quality of product to ensure being smoothed out for follow-up solder reflow operation.

Brief description of the drawings

, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model The accompanying drawing to be used is briefly described, it should be apparent that, drawings discussed below is only some implementations of the present utility model Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Other accompanying drawings are obtained, wherein：

Fig. 1 is the structural representation of LED flexible PCBs；

Fig. 2 is the overall structure diagram of surface mount device described in the utility model；

Fig. 3 is the structural representation of the cover plate of surface mount device shown in Fig. 2；

Fig. 4 is the structural representation of the bottom plate of surface mount device shown in Fig. 2；

Fig. 5 is the vertical cross-section schematic diagram of surface mount device shown in Fig. 2.

In figure：01FPC, 02 component, 03FPC spacing holes, 1 cover plate, 2 bottom plates, 3T type latches, 4 positioning holes, 5 registration holes, 6 ventilating openings, 7 locating dowels, 8 support blocks, 9 silicagel pads, 10 connection sheets.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The all other embodiment obtained, belong to the scope of the utility model protection.

Embodiment 1

Refering to Fig. 2-Fig. 5, a kind of surface mount device for being used to produce LED flexible PCBs, including lid setting up and down Plate 1 with bottom plate 2, for T-shaped latch 3 that FPC is fixedly installed on the cover plate 1 and for being fixedly connected with the cover plate 1 With the locating dowel 7 of bottom plate 2.

The bottom of the locating dowel 7 is fixedly installed on the bottom plate 2, is provided with the correspondence position of the cover plate 1 For inserting the positioning hole 4 on the top of locating dowel 7；Registration holes 5 and multiple bars being parallel to each other are additionally provided with the cover plate 1 Shape ventilating opening 6, the position correspondence in the registration holes 5 and FPC upper limits hole and is provided with magnetic on the inwall of the registration holes 5 Iron, the T-shaped latch 3 are ferronickel material and pass through FPC spacing holes from top to bottom and insert in the registration holes 5.

Multiple bar shaped support blocks 8 being parallel to each other, the support block 8 and ventilating opening 6 are additionally provided with the bottom plate 2 Position up and down correspond to and with the position correspondence of the pin to be welded of component on FPC, be additionally provided with the upper surface of the support block 8 Resistant to elevated temperatures silicagel pad 9, makes FPC be bonded more smooth.

In the present embodiment, the cover plate 1 and bottom plate 2 are spliced by polylith substrate level, pass through between the substrate Connection sheet 10 is connected, and in addition to outermost two pieces of substrates, remaining every piece of substrate comprises at least a ventilating opening 6 or support Block 8.

The course of work of the surface mount device is as follows：

Cover plate 1 and bottom plate are fixed about 2 first, now in the corresponding insertion positioning hole 4 of locating dowel 7 and support block 8 In corresponding insertion ventilating opening 6, the FPC of blank is then placed on cover plate 1, and cause the Pin locations and limit to be welded on FPC Position hole 03 is aligned with ventilating opening 6 and the position of registration holes 5 respectively, and T-shaped latch 3 is then passed through to FPC spacing hole 03 from top to bottom And insert in registration holes 5, due to suction-operated of the magnet to T-shaped latch 3, FPC position is fixed and stress drawout comes, this When FPC bottom surface be bonded with the upper surface (or silicagel pad) of support block 8, so as to being played a supporting role to FPC, then in FPC Upper smearing tin cream simultaneously places related component, finally removes bottom plate 2, cover plate 1 is connected into FPC is transferred to solder reflow device together In, due to being provided with ventilating opening 6 below position to be welded on FPC, hot blast can directly contact with FPC, therefore will not be to rear Continuous welding process causes to hinder.

Embodiment of the present utility model is the foregoing is only, not thereby limits scope of patent protection of the present utility model, Every equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, directly or indirectly use In other related technical fields, similarly it is included in scope of patent protection of the present utility model.

Claims

1. a kind of surface mount device for being used to produce LED flexible PCBs, it is characterised in that including cover plate setting up and down (1) and bottom plate (2), for FPC (01) is fixedly installed on the cover plate (1) T-shaped latch (3), be arranged at the cover plate (1) positioning hole (4), registration holes (5) and multiple bar shaped ventilating openings (6) being parallel to each other on and it is arranged at the bottom plate (2) On locating dowel (7) and multiple bar shaped support blocks (8) being parallel to each other；Above and below the position of the positioning hole (4) and locating dowel (7) The position of corresponding and mating connection, the ventilating opening (6) and support block (8) is corresponding and to be welded with component on FPC (02) up and down Connect the position correspondence of the position correspondence of pin, the registration holes (5) and FPC spacing holes (03), the T-shaped latch (3) on toward Under through FPC spacing holes (03) and insert in the registration holes (5).

2. surface mount device according to claim 1, it is characterised in that also set in the upper surface of the support block (8) Resistant to elevated temperatures silicagel pad (9) is equipped with, FPC is bonded more smooth.

3. surface mount device according to claim 2, it is characterised in that the cover plate (1) and bottom plate (2) are by polylith Substrate level is spliced, and is connected between the substrate by connection sheet (10), and in addition to outermost two pieces of substrates, its complementary basis Every piece of plate comprises at least a ventilating opening (6) or support block (8).

4. the surface mount device according to any one in claims 1 to 3, it is characterised in that the T-shaped latch (3) For ferronickel material, and the inwall of the registration holes (5) is provided with magnet, so as to realize the fixation to FPC (01).