CN206833096U - For assembling the assembly fixture of liquid crystal module - Google Patents

Abstract

It the utility model is related to the technical field of liquid crystal module, provide a kind of assembly fixture for being used to assemble liquid crystal module, liquid crystal module includes front frame, front frame includes three mouldings sequentially connected, it is characterized in that, assembly fixture includes substrate and three support bars being connected on substrate, and three support bars correspond setting of aliging respectively with three mouldings；Each support bar is respectively provided with the fitting recess for placing moulding, and each fitting recess, which extends out section including two and is connected to two, extends out interlude between section, and it is in the tapered arrangement of groove width to extend out section from the external port of fitting recess to interlude.It is compared with the prior art, assembly fixture provided by the utility model, its accurate assembling can be ensured when moulding dimensional accuracy can not accomplish sets requirement in place, Product Assembly precision is higher, and final assembly segment difference or gap are smaller, and product quality is higher.

Description

For assembling the assembly fixture of liquid crystal module

Technical field

The technical field of liquid crystal module is the utility model is related to, more particularly, to a kind of assembling for being used to assemble liquid crystal module Tool.

Background technology

With the progressively appearance of the boundless mount structure of LCD TV, Rimless LCD TV is increasingly favored by market, Today that full-automatic mounting technology is not yet popularized, Rimless LCD TV module part is assembled into a problem.Current nothing Frame LCD TV module assembly method is also in groping and improve the stage.Some is assembled from below to up using self-localization method, I.e. first by backboard as on workbench, then optical element (light guide plate, diaphragm etc.) is put, then put surface frame to optical element, finally Surface frame and backboard are fixed by screw, realize that module assembles by simple eye-observation positioning method.Such a method assembling Because without being accurately positioned, efficiency of assembling is very low.Influenceed simultaneously by part foozle, Product Assembly precision is relatively low, causes whole Machine assembles segment difference or gap is excessive, influences product quality.Another method uses automatic assembly line, using high-tech positioning side Case, by high definition captured by camera part dimension and position, pass to intelligence system driving execution part crawl product parts and be put into Predetermined location, reach the precise positioning purpose of part.The method accurate positioning, production efficiency is high, but production equipment is put into It is larger, to realize that flexibility assembling needs improvement cost higher.

Utility model content

The purpose of this utility model is to provide a kind of assembly fixture for being used to assemble liquid crystal module, to solve prior art Present in due to the error in moulding size, Product Assembly precision is relatively low, causes final assembly segment difference or gap excessive, influences Product quality technical problem.

To achieve the above object, the technical solution adopted in the utility model is：There is provided a kind of for assembling liquid crystal module Assembly fixture, the liquid crystal module include front frame, and the front frame includes three mouldings sequentially connected, and the assembly fixture includes Substrate and connection three support bars on the substrate, three support bars and three mouldings correspond pair respectively It is neat to set；Each support bar is respectively provided with the fitting recess for placing the moulding, and each fitting recess includes outside two Expand section and be connected to two and extend out interlude between section, described to extend out section tapered in groove width from the external port of fitting recess to interlude Arrangement.

Further, the restricted moulding is set between the support bar and the moulding in the support bar extension side Upwards relative to the location structure of support bar movement.

Further, the location structure includes locating dowel of the projection on the support bar and is opened in the moulding Positioning hole that is upper and being slid in and out for the locating dowel.

Further, multiple locating dowels are provided with the support bar, multiple locating dowels are prolonged along the support bar Stretch direction interval setting；Multiple positioning holes, multiple positioning holes and multiple locating dowels are offered on the moulding Correspond respectively.

Further, the shape of cross section of the locating dowel is circle；Multiple positioning holes are respectively circular hole and/or waist Shape hole.

Further, the fitting recess have be used for the first cell wall for being abutted with the moulding inner surface and for institute The second cell wall of moulding outer surface abutting is stated, first cell wall and second cell wall are oppositely arranged.

Further, three mouldings are respectively the first moulding, the second moulding and for being connected to first frame The 3rd moulding article between second moulding；Three support bars are respectively first corresponding with first moulding Stay, the second support bar corresponding with second moulding and the 3rd support bar corresponding with the 3rd moulding, described One support bar and second support bar are parallel to each other；The assembly fixture also includes being used for the carrier strip for supporting optical component, The carrier strip is located between first support bar and second support, and the carrier strip and the 3rd support bar that This is parallel.

Further, the optical component includes diffusion barrier sheet, light guide plate and reflector plate.

Further, the assembly fixture also includes being used to moulding compressing piece under pressure on the substrate, the base The fixed part for fixing the piece under pressure is convexly equipped with plate.

Further, the substrate is rectangular slab, and the fixed position is on the corner of the substrate.

Be compared with the prior art, it is provided by the utility model to be used to assembling the assembly fixture of liquid crystal module, including substrate and The support bar being connected on substrate, support bar are respectively provided with the fitting recess for placing moulding, and fitting recess includes by fitting recess External port extends out section to interlude in the tapered arrangement of groove width, so, can not accomplish sets requirement in moulding dimensional accuracy When ensures it, and accurately in place, Product Assembly precision is higher, and final assembly segment difference or gap are smaller, and product quality is higher for assembling.

Brief description of the drawings

Fig. 1 is the schematic front view for the assembly fixture that the utility model embodiment provides；

Fig. 2 is A portions enlarged drawing in Fig. 1；

Fig. 3 is the schematic perspective view for the liquid crystal module that the utility model embodiment provides；

Fig. 4 is B portions enlarged drawing in Fig. 3；

Fig. 5 is the decomposing schematic representation for the liquid crystal module that the utility model embodiment provides；

Fig. 6 is C portions enlarged drawing in Fig. 5；

Fig. 7 is the schematic front view of the assembly fixture that the utility model embodiment provides and front frame；

Fig. 8 is D portions enlarged drawing in Fig. 7；

Fig. 9 is the assembly fixture that the utility model embodiment provides and the decomposing schematic representation of front frame；

Figure 10 is E portions enlarged drawing in Fig. 9.

Main element symbol description

200：Liquid crystal module 201：Front frame

202：Moulding 203：Optical component

204：Backboard 202a：First moulding

202b：Second moulding 202c：3rd moulding

205：Positioning hole

100：Assembly fixture 10：Substrate

20：Support bar 21：Fitting recess

211：Extend out section 212：Interlude

213：First cell wall 214：Second cell wall

20a：First support bar 20b：Second support bar

20c：3rd support bar 22：Locating dowel

23：Carrier strip 24：Fixed part

Embodiment

In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with Lower combination drawings and Examples, the utility model is further elaborated.It should be appreciated that described embodiment is this The part of the embodiment of utility model, rather than whole embodiments.Based on described embodiment of the present utility model, ability The every other embodiment that domain those of ordinary skill is obtained on the premise of without creative work, belongs to the utility model The scope of protection.

In order that those skilled in the art more fully understands the technical solution of the utility model, with reference to specific accompanying drawing Realization of the present utility model is described in detail.

For sake of convenience, hereinafter alleged " preceding " " rear " " left side " " right side " " on " " under " and accompanying drawing in itself it is forward and backward, left, Right, upper and lower does not play restriction effect to consistent to structure of the present utility model.

Unless otherwise defined, technical term or scientific terminology used herein are should be in the utility model art The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims " first ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish Different parts.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents exist at least One.

It is a preferred embodiment provided by the utility model as shown in Fig. 1 to 10.

The assembly fixture 100 for being used to assemble liquid crystal module 200 that the present embodiment provides, liquid crystal module 200 include front frame 201, front frame 201 includes three mouldings 202 sequentially connected, and assembly fixture 100 includes substrate 10 and connected on the substrate 10 Three support bars 20, three support bars 20 and three mouldings 202 align setting respectively；Each support bar 20 is respectively provided with For placing the fitting recess 21 of moulding 202, each fitting recess 21 extends out section 211 and be connected to two including two extends out section 211 Between interlude 212, it is in the tapered arrangement of groove width to extend out section 211 from the external port of fitting recess 21 to interlude 212.

The above-mentioned assembly fixture 100 for being used to assemble liquid crystal module 200, for assembling the assembly fixture of liquid crystal module 200 100, including substrate 10 and connection support bar 20 on the substrate 10, support bar 20 be respectively provided with the assembling for placing moulding 202 Groove 21, fitting recess 21 include extending out section 211 in the tapered arrangement of groove width from the external port of fitting recess 21 to interlude 212, this Sample, its accurate assembling can be ensured when the dimensional accuracy of moulding 202 can not accomplish sets requirement in place, Product Assembly precision compared with Height, final assembly segment difference or gap are smaller, and product quality is higher.

As shown in Fig. 1 to 10, the assembly fixture 100 of the present embodiment offer, mainly for assembling liquid crystal module 200, liquid crystal Module 200 includes front frame 201, optical component 203 and backboard 204, and optical component 203 includes diffusion barrier sheet, light guide plate, reflection Piece, the front frame 201 substantially " Jiong " font, including three mouldings 202 sequentially connected, three mouldings 202 are respectively left frame bar (the right side moulding 202 in diagram, unites below for (the left side moulding 202 in diagram, be referred to as the first moulding 202a below), right moulding Claim the second moulding 202b) and for being connected to the upper frame bar between the first moulding 202a and the second moulding 202b (in diagram Upside moulding 202, it is referred to as the 3rd moulding 202c below).

As shown in Fig. 1 to 10, assembly fixture 100 includes three support bars 20 of substrate 10 and connection on the substrate 10, base Plate 10 is rectangular slab, and three support bars 20 and three mouldings 202 align setting respectively, and each support bar 20 is respectively provided with For placing the fitting recess 21 of moulding 202, each fitting recess 21 extends out section 211 and be connected to two including two extends out section 211 Between interlude 212, it is in the tapered arrangement of groove width to extend out section 211 from the external port of fitting recess 21 to interlude 212, in the present embodiment In, three mouldings 202 are respectively first support bar 20a corresponding with the first moulding 202a, corresponding with the second moulding 202b the Two support bar 20b and threeth support bar 20c corresponding with the 3rd moulding 202c, the first support bar 20a and the second support bar 20b It is parallel to each other, it is necessary to which explanation, because fitting recess 21 has groove width is gradually wealthy to extend out section 211 in each support bar 20, makes dress The end of slot allocation 21 is in horn-like grading structure；For extending out section 211, the second support bar 20b on the upside of the first support bar 20a Upside extend out the support bar 20c of section 211 and the 3rd left and right extend out section 211 for, can be in the 3rd moulding 202c or first When moulding 202a and the second moulding 202b dimensional accuracy can not accomplish sets requirement, as length is long or too short, ensure other Structure can be assembled accurately in place；For extending out section 211 on the downside of the first support bar 20a, extending out on the downside of the second support bar 20b , can be overall long in backboard 204 or too short when exceed setting accuracy for section 211, guarantee final assembly structure is not by its shadow Ring, it is accurate still to assemble.

Referring to Fig. 1 to 10, each fitting recess 21 have be used for the first cell wall 213 for being abutted with the inner surface of moulding 202 and For the second cell wall 214 abutted with the outer surface of moulding 202, the first cell wall 213 and the second cell wall 214 are oppositely arranged, and second Cell wall 214 has the cambered surface that matches with the outer surface of moulding 202, by set the first cell wall 213, the second cell wall 214 and The bottom surface of fitting recess 21, pre-determined bit can be carried out to moulding 202, so that moulding 202 can quickly load in corresponding fitting recess 21, carried High packaging efficiency.

Referring to Fig. 1 to 10, limitation moulding 202 is provided between support bar 20 and moulding 202 in the bearing of trend of support bar 20 The location structure that upper relative support bar 20 moves.In the present embodiment, location structure includes projection the positioning on support bar 20 Post 22 and the positioning hole 205 for being opened on moulding 202 and being slid in and out for locating dowel 22.

Specifically, multiple locating dowels 22, bearing of trend of multiple locating dowels 22 along support bar 20 are provided with support bar 20 It is arranged at intervals；Offer multiple positioning holes 205 on moulding 202, a pair of multiple positioning holes 205 and multiple locating dowels 22 difference 1 Should.The shape of cross section of locating dowel 22 is circle；In multiple positioning holes 205, at least a positioning hole 205 is circular hole, and remaining is waist Shape hole.Positioned it is noted that being coordinated by locating dowel 22 with circular positioning hole 205, moulding 202 and support bar can be made 20 are accurately positioned, and using kidney-shaped positioning hole 205, can be ensured that locating dowel 22 is formed with kidney-shaped positioning hole 205 in assembling and be held Poor location fit.

Referring to Fig. 1 to 10, assembly fixture 100 also includes being used for the carrier strip 23 for supporting optical component 203, carrier strip 23 Between the supports of the first support bar 20a and second, and carrier strip 23 and the 3rd support bar 20c are parallel to each other, in the present embodiment, The top end face of carrier strip 23 is higher than the top surface of support bar 20, and the top end face edge of carrier strip 23 uses rounding corner structure, carrying Bar 23 is used to hold up the optical component 203 for including diffusion barrier sheet, light guide plate and reflector plate, ensures optical component in assembling process 203 is smooth, ensures assembling quality.

Referring to Fig. 1 to 10, assembly fixture 100 also includes being used to (scheme the piece under pressure that moulding 202 compresses on the substrate 10 not Show), the fixed part 24 for fixing piece under pressure is convexly equipped with substrate 10, in the present embodiment, the quantity of fixed part 24 is but not Four are confined to, four fixed parts 24 are respectively on the corner of substrate 10, and piece under pressure is band cap screw, and fixed part 24 is ribbon supply The stud that the threaded portion of cap screw is inserted and is threadedly coupled, the piece under pressure positioned at corner are used for when moulding 202 is because processing or transporting When process causes to deform and can not assemble, combined with pushing up solid portion to push down front frame 201, ensure normal assembling.

The assembling process of liquid crystal module 200 for the assembly fixture 100 that 1 to 10 pair of the present embodiment provides is made detailed below in conjunction with the accompanying drawings Describe in detail bright：

First the reverse side of each moulding 202 of front frame 201 is kept flat on assembly fixture 100 in corresponding fitting recess 21, then by before Frame 201 is accurately positioned by circular locating openings 205 and kidney-shaped positioning hole 205 with the locating dowel 22 in assembly fixture 100, if Front frame 201 is deformed, and the fixed part 24 that can have been stayed in advance by the corner of assembly fixture 100 is pushed down with piece under pressure, then is sequentially placed into Diffusion barrier sheet, light guide plate and reflector plate, then the backboard 204 containing LED light bar (not shown) is covered into optical component 203 and front frame On 201, backboard 204 is connected with front frame 201 with screw, diaphragm press strip is further compressed into optical component 203, with screw and film Piece press strip (not shown) is connected with the bottom of backboard 204, completes the assembling of LCD TV backlight module.

The assembly fixture 100 that the present embodiment provides also has the advantages that：

The use of this assembling fixture can ensure and high Product Assembly precision, can allow enough front frames 201 and the back of the body The foozle of plate 204, front frame 201 can also be overcome to produce certain deformation to influence caused by overall assemble, due to using bar Shape holds up structure, and diaphragm can farthest avoid deforming, and this key characteristic of backlight module is guaranteed.Compared to traditional Hand assembled efficiency and assembly precision are greatly improved, and compared to automated production, are almost put into without equipment and place, and Production it is flexible stronger, the compatible production for more sizes of production line creates condition.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modification, equivalent substitution or improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of assembly fixture for being used to assemble liquid crystal module, the liquid crystal module includes front frame, and the front frame includes sequentially connecting Three mouldings connect, it is characterised in that the assembly fixture includes substrate and connection three support bars on the substrate, and three The individual support bar corresponds setting of aliging respectively with three mouldings；Each support bar is respectively provided with for placing institute The fitting recess of moulding is stated, each fitting recess, which extends out section including two and is connected to two, extends out interlude between section, described It is in the tapered arrangement of groove width that section, which is extended out, from the external port of fitting recess to interlude.

2. the assembly fixture according to claim 1 for being used to assemble liquid crystal module, it is characterised in that the support bar and institute State the positioning knot for setting the restricted moulding to be moved on the support bar bearing of trend relative to the support bar between moulding Structure.

3. the assembly fixture according to claim 2 for being used to assemble liquid crystal module, it is characterised in that the location structure bag Include locating dowel of the projection on the support bar and be opened on the moulding and determine for what the locating dowel slid in and out Position hole.

4. the assembly fixture according to claim 3 for being used to assemble liquid crystal module, it is characterised in that set on the support bar Multiple locating dowels are equipped with, bearing of trend of multiple locating dowels along the support bar is arranged at intervals；Offered on the moulding Multiple positioning holes, multiple positioning holes correspond respectively with multiple locating dowels.

5. the assembly fixture according to claim 4 for being used to assemble liquid crystal module, it is characterised in that the horizontal stroke of the locating dowel Cross sectional shape is circle；Multiple positioning holes are respectively circular hole and/or mounting hole.

6. the assembly fixture according to claim 1 for being used to assemble liquid crystal module, it is characterised in that the fitting recess has For the first cell wall abutted with the moulding inner surface and the second cell wall for being abutted with the moulding outer surface, institute State the first cell wall and second cell wall is oppositely arranged.

7. the assembly fixture according to claim 1 for being used to assemble liquid crystal module, it is characterised in that three mouldings point Wei not the first moulding, the second moulding and the 3rd moulding for being connected between first moulding and second moulding； Three support bars are respectively the first support bar corresponding with first moulding, corresponding with second moulding second Stay and the 3rd support bar corresponding with the 3rd moulding, first support bar are put down each other with second support bar OK；The assembly fixture also includes being used for supporting the carrier strip of optical component, the carrier strip be located at first support bar and Between second support, and the carrier strip and the 3rd support bar are parallel to each other.

8. the assembly fixture according to claim 7 for being used to assemble liquid crystal module, it is characterised in that the optical component bag Include diffusion barrier sheet, light guide plate and reflector plate.

9. the assembly fixture according to claim 1 for being used to assemble liquid crystal module, it is characterised in that the assembly fixture is also Including for moulding to be compressed into piece under pressure on the substrate, being convexly equipped with the substrate for fixing consolidating for the piece under pressure Determine portion.

10. the assembly fixture according to claim 9 for being used to assemble liquid crystal module, it is characterised in that the substrate is square Shape plate, the fixed position is on the corner of the substrate.