TWI409006B - Assembling device - Google Patents

Abstract

The present invention relates to an assembling device. The assembling device includes a loading plate, a substrate, a first elastic element, four sliding blocks and two second elastic elements connected to the corresponding sliding blocks. The loading plate has at least one locating rod which is used for supporting a reflector plate and a light guide plate. The loading plate has two opposite first side walls and two opposite second side walls respectively. The first side wall defines two holes thereon. Two pressures respectively protrude from the second side walls. The substrate defines a groove thereon and one end of the first elastic element are received in the groove while the other end of the first elastic element resists on a bottom surface of the loading plate. One end of the sliding block locates in the substrate, while the other end of the sliding block locates in the hole.

Description

Assembly fixture

The invention relates to an assembly jig.

Most light guides need to be coated with a reflective sheet on the back to improve the utilization of light. As shown in FIG. 1 , the upper surface 110 of the light guide plate 100 is provided with an asymmetric first through hole 111 and a second through hole 112 , and the upper surface 210 of the reflective sheet 200 and the first through hole 111 and The third through hole 211 and the fourth through hole 212 are respectively disposed at positions corresponding to the second through holes 112. The reflective sheet 200 has four separate flaps 220 coated with glue. A gap 222 is formed at the intersection of the adhesive portion and the non-adhesive portion of the upper surface 210 of the reflective sheet 200. At the time of assembly, the upper surface 210 of the reflective sheet 200 is placed upward, and then the light guide plate 100 is placed on the reflective sheet 200, and the third through hole 211 and the fourth through hole 212 of the reflective sheet 200 are disposed. Aligning with the first through hole 111 and the second through hole 112 of the light guide plate 100 respectively, and then bending and folding the four flaps 220 on the reflective sheet 200 to the corresponding side edges 113 of the light guide plate 100 Just fine.

Since the position of the through hole on the light guide plate is asymmetrical, in the process of sticking the reflective sheet to the light guide plate, the reflective sheet is often placed in the wrong direction, and the worker spends a lot of time corresponding to the through hole on the light guide plate and the reflective sheet. The through holes are aligned, and the reflective sheet may be stuck on the light guide plate during the pasting process. Seriously affected product yield.

In view of this, it is necessary to provide an assembly jig that can effectively improve the yield of the product.

An assembly jig includes a carrier plate, a base, a first elastic member, two pairs of oppositely disposed sliders and a second elastic member connected to the slider. The carrier plate is configured to place a reflective sheet and a light guide plate. A first groove is disposed in the middle of the upper surface of the carrier plate, and at least one positioning post is disposed on the bottom of the first groove. The carrier plate includes a first sidewall opposite to the first sidewall and a second sidewall adjacent to the first sidewall. The first sidewall is respectively provided with a notch, and the outer side of the second sidewall extends outwardly from a pressing plate. . A second groove is disposed on the base, and one end of the first elastic member abuts against a bottom surface of the carrier plate, and the other end is received in the second groove. One end of the slider is received in the base, and the other end is received in the notch.

In the assembly jig of the invention, when the carrier plate is pressed, the second elastic member is deformed, so that the lateral distance between the two sliders is shortened, so that the oppositely disposed two sliders simultaneously press the light guide plate to make the reflective sheet and the guide The light board is more firmly attached.

100‧‧‧Light guide plate

110‧‧‧ upper surface

111‧‧‧First through hole

112‧‧‧Second through hole

113‧‧‧ side

200‧‧‧reflector

210‧‧‧ upper surface

211‧‧‧ third through hole

212‧‧‧4th through hole

220‧‧‧Flap

222‧‧‧ crease

300‧‧‧Assembled fixtures

310‧‧‧ carrying board

311‧‧‧First groove

313‧‧‧First cylinder

314‧‧‧second cylinder

315‧‧‧First side wall

316‧‧ ‧ gap

317‧‧‧second side wall

318‧‧‧ pressure plate

319‧‧‧End

302‧‧‧ bottom

320‧‧‧Base

321‧‧‧second groove

322‧‧‧ third side wall

323‧‧‧容容

324‧‧‧Sinking

326‧‧‧fourth side wall

327‧‧‧ slotting

328‧‧‧First bulge

329‧‧‧ screw holes

306‧‧‧Bolts

330‧‧‧First elastic parts

331‧‧‧ one end

332‧‧‧The other end

340‧‧‧ Slider

341‧‧‧Slide end

342‧‧‧The other end of the slider

350‧‧‧Second elastic parts

360‧‧‧Top cover

361‧‧‧ first through slot

362‧‧‧ fifth side wall

364‧‧‧second bulge

365‧‧‧ screw hole

363‧‧‧ sixth side wall

366‧‧‧Second pass

303‧‧‧ tablet

304‧‧‧First blind hole

305‧‧‧Second blind hole

1 is a schematic view of a conventional light guide plate and a reflective sheet; FIG. 2 is an exploded view of the assembly jig and the light guide plate and the reflective sheet provided by the embodiment of the present invention; FIG. 3 is a schematic view of the bottom surface of the carrier plate of the assembly jig of FIG. ; 4 is a first partial combination diagram of the assembly fixture of FIG. 1 and the light guide plate and the reflection sheet; FIG. 5 is a second partial combination diagram of the assembly fixture of FIG. 1 and the light guide plate and the reflection sheet; FIG. FIG. 7 is a cross-sectional view taken along line VI-VI of FIG. 6; FIG. 8 is a schematic view showing the state of use of the assembly jig, the light guide plate and the reflection sheet in FIG.

Please refer to FIG. 2 , which is an exploded view of the assembly fixture 300 , the light guide plate 100 , and the reflection sheet 200 according to an embodiment of the present invention. The assembly jig 300 is used to assemble the light guide plate 100 and the reflection sheet 200. The structure of the light guide plate 100 and the reflective sheet 200 is the same as that of FIG. 1 and will not be described herein. The assembly fixture 300 includes a carrier plate 310, a base 320, four first elastic members 330, four sliders 340, two second elastic members 350 and an upper cover 360.

A first groove 311 is disposed in the middle of the carrier plate 310. The first groove 311 is configured to carry the light guide plate 100 and the reflective sheet 200. The bottom portion 312 of the first recess 311 is provided with a first positioning post 313 and a second positioning post 314, and the first positioning post 313 and the second positioning post 314 are respectively connected to the first pass on the light guide plate 100 of FIG. The hole 111 and the second through hole 112, the third through hole 211 and the fourth through hole 212 of the reflective sheet 200 correspond to the positioning of the light guide plate 100 and the reflection sheet 200, and can be ensured in mass production. The worker does not place the reflective sheet 200 on the light guide plate 100 in a wrong position, and the trouble of aligning the reflective sheet 200 with the light guide plate 100 during assembly can be omitted, thereby effectively improving production efficiency. The first groove 311 includes two opposite first sidewalls 315 and The first sidewall 315 is adjacent to the two opposite second sidewalls 317. The flaps 220 corresponding to the reflective sheet 200 on the first side wall 315 are respectively provided with four rectangular notches 316 for accommodating the slider 340. A pressure plate 318 is outwardly extended from the outer side of the second side wall 317 for carrying an external force during assembly to avoid contamination caused by direct application of force on the light guide plate 100. In addition, the end portion 319 of the pressure plate 318 is provided with a curved chamfer to ensure that the worker does not cut the finger due to improper application when using the device. As shown in FIG. 3, two protruding arched pressing pieces 303 are symmetrically disposed on the bottom surface 302 of the carrying plate 310 for respectively resisting the two second elastic members 350. Four circular first blind holes 304 are respectively defined at four corners of the bottom surface 302 of the carrying plate 310 for respectively receiving the first elastic members 330. It can be understood that the bottom surface 302 of the carrying board 310 may not open the first blind hole 304, and the first elastic member 330 may directly abut the bottom surface 302 of the carrying board 310. The pressing piece 303 can also be omitted. When the carrying plate 310 is pressed down, the carrying plate 310 can directly abut the second elastic member 350. The first recess 311 may not be opened, but the first positioning post 313 and the second positioning post 314 are required to realize the positioning of the light guide plate 100 and the reflective sheet 200. The first positioning post 313 or the second positioning post 314 may be disposed on the carrying board 310. However, the first recess 311 is required to realize the positioning of the light guide plate 100 and the reflective sheet 200.

The base 320 is a rectangular parallelepiped structure having a second recess 321 therebetween, and includes two opposite third sidewalls 322 and two fourth sidewalls 326 adjacent to the third sidewall 322. The base 320 is used to place the carrier plate 310, the first elastic member 330, the slider 340 and the second elastic member 350. The second groove Four accommodating cavities 323 are respectively disposed at the bottom of the 321 near the third side wall 322. The accommodating cavities 323 respectively correspond to the notches 316 on the carrier plate 310, and are disposed opposite to each other. The bottom of the second recess 321 is perpendicular to the third sidewall 322, and two rectangular slots 324 respectively communicating with the two receiving cavities 323 are respectively disposed for receiving the two second elastic members 350 respectively. . Four circular blind holes 305 corresponding to the first blind holes 304 are opened at four corners of the bottom of the second recess 321 , and the second blind holes 305 are respectively used for accommodating the first Elastic member 330. Two slots 327 are defined in the fourth sidewall 326 of the base 320, and the slots 327 are used for receiving the pressure plate 318. Two outer protrusions 328 extend outwardly from the outer sides of the two second side walls 322 of the base 320. The first protrusions 328 are provided with screw holes 329, and the screw holes 329 are used for The upper cover 360 is fixed to the base 320 by bolts 306. It can be understood that the bottom of the groove 320 may not open the second blind hole 305, and accommodate the cavity 323, the sinking groove 324 and the slot 327.

One end 331 of the first elastic member 330 is received in the first blind hole 304, and the other end 332 is received in the second blind hole 305. It can be understood that, after the assembly action of assembling the light guide plate to the reflective sheet is completed once, the first elastic member 330 can automatically return the carrier plate 110 to the initial position to facilitate the next assembly operation. Since the elastic member is easily deformed when the biasing force is excessively large, the first elastic member 330 of the present embodiment is a conical spring.

One end 341 of the slider 340 is respectively received in the four accommodating cavities 323 of the base 320, and the other ends 342 of the four sliders 340 are respectively corresponding to the four accommodating plates 310. Rectangular notch 316. It can be understood that the sliding The block 340 can slide in a small extent along the fourth sidewall 326 of the base 320 in the accommodating cavity 323 and the notch 316.

The two second elastic members 350 are disposed in the two sinking grooves 324 of the base 320, and connect two opposite sliders 340 respectively located on opposite sides of the sinking groove 324. As shown in FIG. 7, the two second elastic members 350 are respectively abutted by the two arched pressing pieces 303.

The upper cover 360 is a rectangular parallelepiped structure with a first through slot 361. The upper cover 360 includes two opposite fifth side walls 362 and two sixth side walls 363 adjacent to the fifth side wall 362. The first through slot 361 corresponds to the second recess 321 of the base 320, that is, the length of the first through slot 361 along the fifth sidewall 362 and the second recess 321 along the third sidewall 322 The length of the first through slot 361 is the same as the length of the second recess 321 along the direction of the fourth sidewall 326, so that the upper cover 360 can be secured after being covered. The assembly work of the light guide plate 100 and the reflection sheet 200 is performed. Two second protrusions 364 extend outwardly from the fifth side wall 362 corresponding to the first protrusions 328 of the base 320. The second protrusions 364 are provided with screw holes 365 for The upper cover 360 is locked to the base 320 by bolts 306. A second through slot 366 is defined in the sixth sidewall 362 for receiving the pressure plate 318. It can be understood that the upper cover 360 can also be omitted.

As shown in FIG. 2, FIG. 4 and FIG. 5, in the process of assembling the assembly jig 300, the sliders 340 are respectively placed in the accommodating cavity 323, and the first elastic members 330 are respectively respectively. Placed in the second blind hole 305, using the second elastic member 350 The oppositely disposed sliders 340 are respectively connected, and then the carrier plate 310 is placed on the base 320. At this time, the pressing plate 318 is aligned with the slot 327 of the base 320, and the other end 342 of the slider 340 is received. In the notch 316 of the carrier plate 310, the end surface of the other end 324 of the slider 340 is on the same plane as the bottom 312 of the groove 311, and then the upper cover 360 is screwed to the base 320. The platen 318 is received in the second through slot 366 of the upper cover 360 at this time.

As shown in FIG. 7 and FIG. 8 , during the assembly process of the light guide plate 100 and the reflection sheet 200 by using the assembly jig 300, the reflection sheet 200 is first placed on the carrier plate 310, and then the guide is placed. The light plate 100 is correspondingly disposed on the reflective sheet 200. The third through hole 211 and the first through hole 111 are passed through the first positioning post 313, and the fourth through hole 212 and the second through hole are 112 is passed through the second positioning post 314. When the carrier plate 310 is moved downward, the other ends 342 of the sliders 340 respectively protrude from the corresponding notches 316 of the carrier plate 310, and the four flaps 220 of the reflective sheet 200 are respectively folded. Bending to the four sides 113 of the light guide plate 100, the two pressing pieces 303 at the bottom of the carrying plate 310 deform the two second elastic members 350 to make the two sliders 340 The lateral distance is shortened, so that the oppositely disposed two sliders 340 simultaneously press the light guide plate 100, so that the four flaps 220 on the reflective sheet 200 are more firmly adhered to the light guide plate 100. When the assembly operation is completed, the first elastic member 330 automatically returns the carrier plate 110 to the initial position, so that the next assembly operation can be performed.

The assembly fixture of the present invention has two light guide plates on the carrier plate The positioning post corresponding to the through hole can effectively prevent the reflective sheet from being mislabeled on the light guide plate. When the carrier plate is pressed, the second elastic member is deformed, so that the lateral distance between the two sliders is shortened, so that the oppositely disposed two sliders simultaneously press the light guide plate, so that the reflective sheet and the light guide plate are adhered more firmly.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Light guide plate

110‧‧‧ upper surface

111‧‧‧First through hole

112‧‧‧Second through hole

113‧‧‧ side

200‧‧‧reflector

210‧‧‧ upper surface

211‧‧‧ third through hole

212‧‧‧4th through hole

220‧‧‧Flap

222‧‧‧ crease

300‧‧‧Assembled fixtures

310‧‧‧ carrying board

311‧‧‧First groove

313‧‧‧First cylinder

314‧‧‧second cylinder

315‧‧‧First side wall

316‧‧ ‧ gap

317‧‧‧second side wall

318‧‧‧ pressure plate

319‧‧‧End

302‧‧‧ bottom

320‧‧‧Base

321‧‧‧second groove

322‧‧‧ third side wall

323‧‧‧容容

324‧‧‧Sinking

326‧‧‧fourth side wall

327‧‧‧ slotting

328‧‧‧First bulge

329‧‧‧ screw holes

306‧‧‧Bolts

330‧‧‧First elastic parts

331‧‧‧ one end

332‧‧‧The other end

340‧‧‧ Slider

341‧‧‧Slide end

342‧‧‧The other end of the slider

350‧‧‧Second elastic parts

360‧‧‧Top cover

361‧‧‧ first through slot

362‧‧‧ fifth side wall

364‧‧‧second bulge

365‧‧‧ screw hole

363‧‧‧ sixth side wall

366‧‧‧Second pass

305‧‧‧Second blind hole

Claims (13)

An assembly fixture includes a carrier plate, a base, at least three first elastic members, a plurality of sliders and at least one second elastic member, wherein the carrier plate is used for placing a reflective sheet and a light guide plate. a first groove is disposed in the middle of the upper surface of the carrier plate, and at least one positioning post is disposed on the bottom of the first groove, the carrier plate includes two opposite first sidewalls and adjacent to the first sidewall a plurality of notches on the first side wall, a plurality of notches are symmetrically formed on the first side wall, and a pressing plate is outwardly extended on the outer side of the second side wall, and a second groove is formed on the base, the first One end of the elastic member abuts against the bottom surface of the carrier plate, and the other end is received in the second recess, one end of the slider is received in the second recess, and the other end is received The sliders are disposed opposite to each other in the gap of the carrier plate, and the second elastic member connects the two opposite sliders. The assembly jig of claim 1, wherein the four corners of the bottom surface of the carrier plate are respectively provided with four first blind holes, and one end of the first elastic member is received in the first blind hole. Inside. The assembly jig of claim 2, wherein four corners of the bottom of the second groove are provided with four second blind holes, and the other end of the first elastic member is accommodated in the second Inside the blind hole. The assembly jig of claim 1, wherein the second groove includes two opposite third sidewalls and two fourth sidewalls adjacent to the third sidewall, the The bottom of the two grooves is respectively symmetric near the two third side walls A plurality of accommodating cavities corresponding to the notches on the carrier plate are disposed, and one end of the slider is received in the accommodating cavity of the base. The assembly jig of claim 4, wherein the fourth side wall of the second groove defines a slot, and the pressure plate is received in the slot. The assembly jig of claim 4, wherein the bottom of the second groove is provided with at least one sinking groove connecting two opposite receiving cavities, and the second elastic member is accommodated in the sinking Inside the slot. The assembly jig of claim 5, wherein the assembly jig further comprises a cover attached to the base. The assembly jig of claim 7, wherein the upper cover has a first through groove corresponding to the second groove. The assembly jig of claim 7, wherein the upper cover has two second through slots respectively corresponding to the slots of the base for receiving the pressure plate. The assembly jig of claim 1, wherein the end of the pressure plate on the carrier plate is provided with a curved chamfer. The assembly jig of claim 1, wherein the first elastic member is a conical spring. The assembly jig of claim 1, wherein the bottom surface of the carrier plate is provided with at least one pressing piece that abuts against the second elastic member. The assembly jig of claim 12, wherein the tablet is an arched tablet.