CN216373143U - Forming die for light incident sawteeth of light guide plate - Google Patents
Forming die for light incident sawteeth of light guide plate Download PDFInfo
- Publication number
- CN216373143U CN216373143U CN202122810180.8U CN202122810180U CN216373143U CN 216373143 U CN216373143 U CN 216373143U CN 202122810180 U CN202122810180 U CN 202122810180U CN 216373143 U CN216373143 U CN 216373143U
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- Prior art keywords
- rod
- mold
- die
- guide plate
- light guide
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- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of mold forming, in particular to a forming mold for light-guide plate light-incidence sawteeth, which comprises a base, wherein four corners of the top of the base are provided with support columns, the top of each support column is provided with a top plate, the middle of the top of the base is provided with a cylinder, the top of an output shaft of the cylinder is provided with a bottom mold, the top of the bottom mold is provided with a mold cavity, the left side and the right side of the bottom mold are both provided with a material injection channel, the bottom of the inner wall of the mold cavity is provided with a fixed groove, the bottom of the inner wall of the fixed groove is connected with a guide rod in a penetrating way, the guide rod comprises an upper fixed rod and a lower fixed rod, the bottom of the fixed rod above is provided with a threaded rod, the top of the fixed rod above is provided with a stop block, the distance between the bottom of the top mold and the bottom of the inner wall of the mold cavity can be adjusted by moving an adjusting ring up and down, the length of the guide rod is adjusted by rotating the threaded rod, so that the stop block can be completely inserted into the fixed groove, the function of manufacturing light guide plates with different thicknesses can be realized.
Description
Technical Field
The utility model belongs to the technical field of the mould shaping, specifically be a forming die who is used for light guide plate to go into light sawtooth.
Background
The light guide plate is made of optical acrylic/PC board, then high-tech material with high refractive index and no light absorption is used, light guide points are printed on the bottom surface of the optical acrylic board by laser engraving, V-shaped cross grid engraving and UV screen printing technology, and side light sources are converted into surface light sources and uniformly emit light through the light guide points with various densities and sizes. The existing light guide plate with the light incident sawteeth is generally formed by injection molding through a mold, but the existing mold can only be used for manufacturing the light guide plate with single thickness, when the light guide plates with different thicknesses are manufactured, the mold needs to be replaced, the requirement of daily production cannot be met, and inconvenience is brought to the daily production; after molding, when the light guide plate is ejected, the gate cannot be automatically cut off, and a subsequent gate cutting process needs to be added, so that time and labor are wasted, and the production efficiency is low. Therefore, the utility model provides a forming mold for light incident sawteeth of a light guide plate, which can solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a forming die for light guide plate goes into light sawtooth can be used to the light guide plate of preparation different thickness, can cut off the runner automatically to solve the above-mentioned problem that present mould appears that proposes.
The technical scheme that this practicality was adopted is specifically as follows:
a forming mold for light incident sawteeth of a light guide plate comprises a base, wherein four corners of the top of the base are provided with supporting columns, the top of the pillar is provided with a top plate, the middle of the top of the base is provided with a cylinder, the top of the cylinder output shaft is provided with a bottom die, the top of the bottom die is provided with a die slot, the left side and the right side of the bottom die are both provided with a material injection channel, the bottom of the inner wall of the die cavity is provided with a fixed groove, the bottom of the inner wall of the fixed groove is connected with a guide rod in a penetrating way, the guide rod comprises an upper fixing rod and a lower fixing rod, a threaded rod is arranged at the bottom of the upper fixing rod, a stop block is arranged at the top of the upper fixing rod, the bottom of the top plate is provided with two connecting rods, the bottom of each connecting rod is provided with a top die, the outer ring of each top die is sleeved with an adjusting ring, the bottom of adjusting the circle inserts the inner chamber in die cavity, the sprue has all been seted up to the left and right sides of adjusting the circle.
Preferably, the bottom of the guide rod is fixed on the top of the base, and the bottom of the threaded rod penetrates through the top of the fixing rod below the guide rod.
Preferably, the size and the shape of the adjusting ring are the same as those of the fixing groove, and the bottom of the stop block is attached to the bottom of the inner wall of the fixing groove.
Preferably, the bottom of the adjusting ring is attached to the bottom of the inner wall of the die cavity, and the inlet of the injection port is attached to the outlet of the injection channel.
Preferably, the outer ring of the adjusting ring is connected with a plurality of fixing bolts in a penetrating manner, and one side of each fixing bolt, which is close to the connecting rod, is attached to the outer ring of the top die.
Preferably, a plurality of salient points are uniformly arranged at the bottom of the top die.
The technical effect that this practicality was gained does:
1. the utility model discloses a forming die for light guide plate goes into optical sawtooth, before the use, through reciprocating the regulation circle, the distance between the bottom of adjustable top mould and the bottom of die cavity inner wall, accessible rotary threaded rod adjusts the length of guide bar simultaneously to make the dog get into completely in the fixed slot after, the bottom of regulation circle can laminate with the bottom of die cavity inner wall mutually, so can realize the function of the different thickness light guide plates of preparation, offer convenience for daily production.
2. The utility model discloses a forming die for light guide plate goes into optical sawtooth, the completion back of moulding plastics, and the air emits in the cylinder, and its output shaft drives the die block downstream, and the dog can upwards ejecting in by the die cavity with the light guide plate this moment, and the while regulation circle can be cut off the runner of notes feed inlet department is automatic, saves the follow-up process of cutting the runner, and labour saving and time saving can improve production efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural view of the bottom mold of the present invention;
FIG. 4 is a schematic structural view of the top mold of the present invention;
FIG. 5 is a schematic view of a guide bar according to the present invention;
fig. 6 is an enlarged view of the utility model at a in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a pillar; 3. a top plate; 4. a cylinder; 5. bottom die; 51. a die cavity; 52. a material injection channel; 53. fixing grooves; 6. a guide bar; 61. fixing the rod; 62. a threaded rod; 63. a stopper; 7. a connecting rod; 8. carrying out top die; 9. an adjusting ring; 91. a material injection port; 10. fixing the bolt; 11. and (4) bumps.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following examples. It is to be understood that the following text is only intended to describe one or several particular embodiments of the utility model, and does not strictly limit the scope of the claims to which this invention pertains.
As shown in the figures 1-3 of the drawings, 5 and 6 show, a forming die for light guide plate income light sawtooth, including base 1, the four corners at base 1 top all is provided with pillar 2, the top of pillar 2 is provided with roof 3, the centre at base 1 top is provided with cylinder 4, the top of 4 output shafts of cylinder is provided with die block 5, die cavity 51 has been seted up at die block 5's top, notes material passageway 52 has all been seted up to die block 5's the left and right sides, fixed slot 53 has been seted up to the bottom of die cavity 51 inner wall, the bottom through connection of fixed slot 53 inner wall has guide arm 6, guide arm 6 includes upper and lower two dead levers 61, the bottom of the dead lever 61 that is located the top is provided with threaded rod 62, the top of the dead lever 61 that is located the top is provided with dog 63, the bottom of guide arm 6 is fixed in base 1's top, the bottom of threaded rod 62 runs through the top of the dead lever 61 that is located the below, dog 63 bottom is laminated with the bottom of fixed slot 53 inner wall mutually.
As shown in fig. 1, 2, 4 and 6, the bottom of roof 3 is provided with two connecting rods 7, the bottom of connecting rod 7 is provided with top mould 8, the outer lane cover of top mould 8 is equipped with regulation ring 9, the inner chamber of die cavity 51 is inserted to the bottom of regulation ring 9, sprue 91 has all been seted up to the left and right sides of regulation ring 9, the size and the shape of regulation ring 9 are the same with the size and the shape of fixed slot 53, the bottom of regulation ring 9 is laminated with the bottom of die cavity 51 inner wall mutually, the entry of sprue 91 is laminated with the export of notes material passageway 52 mutually, the outer lane through connection of regulation ring 9 has a plurality of fixing bolt 10, one side that fixing bolt 10 is close to connecting rod 7 is laminated with the outer lane of top mould 8 mutually, the bottom of top mould 8 is even is provided with a plurality of bumps 11.
The working principle of the utility model is as follows: when the light guide plate is injection molded, air is filled in the cylinder 4, the output shaft of the cylinder drives the bottom die 5 to move upwards, when the stop block 63 enters the fixed groove 53 and blocks the bottom die 5, the bottom of the adjusting ring 9 is just attached to the bottom of the inner wall of the die groove 51, the injection port 91 is communicated with the injection channel 52 at the moment, plastic melt can be injected into the die groove 51 through the injection channel 52 and the injection port 91, the formed light guide plate can be obtained after the melt is cooled, the top (namely the light incident surface) of the light guide plate can form a saw-tooth shape by the convex points 11, after the injection molding is finished, the air in the cylinder 4 is discharged, the output shaft of the cylinder drives the bottom die 5 to move downwards, the stop block 63 can push the light guide plate upwards out of the die groove 51, meanwhile, the adjusting ring 9 can automatically cut off a sprue at the injection port 91, before the use, the fixing bolt 10 can be unscrewed, and the adjusting ring 9 can move upwards and downwards to manufacture the thickness of the light guide plate according to needs, adjust the distance (the degree of depth of moulding plastics chamber) between the bottom of top mould 8 and the bottom of die cavity 51 inner wall, the accessible rotary threaded rod 62 simultaneously, the length of adjusting guide arm 6 to when making die block 5 reach the highest point, dog 63 can get into fixed slot 53 completely, and the bottom of adjusting ring 9 can laminate with the bottom of die cavity 51 inner wall simultaneously.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated in the present application are generally implemented in the art by conventional means without specific recitation or limitation.
Claims (6)
1. The utility model provides a forming die for light guide plate goes into optical sawtooth, includes base (1), its characterized in that: the four corners at the top of the base (1) are provided with pillars (2), the top of each pillar (2) is provided with a top plate (3), the middle of the top of the base (1) is provided with a cylinder (4), the top of an output shaft of the cylinder (4) is provided with a bottom die (5), the top of the bottom die (5) is provided with a die cavity (51), the left side and the right side of the bottom die (5) are provided with material injection channels (52), the bottom of the inner wall of the die cavity (51) is provided with a fixing groove (53), the bottom of the inner wall of the fixing groove (53) is connected with a guide rod (6) in a penetrating manner, the guide rod (6) comprises an upper fixing rod (61) and a lower fixing rod (61), the bottom of the fixing rod (61) above is provided with a threaded rod (62), the top of the fixing rod (61) above is provided with a stop block (63), and the bottom of the top plate (3) is provided with two connecting rods (7), the bottom of connecting rod (7) is provided with top mould (8), the outer lane cover of top mould (8) is equipped with regulation circle (9), the inner chamber of die cavity (51) is inserted to the bottom of regulation circle (9), sprue (91) have all been seted up to the left and right sides of regulation circle (9).
2. The mold for molding a light incident serration for a light guide plate according to claim 1, wherein: the bottom of the guide rod (6) is fixed on the top of the base (1), and the bottom of the threaded rod (62) penetrates through the top of the fixing rod (61) located below.
3. The mold for molding a light incident serration for a light guide plate according to claim 1, wherein: the size and the shape of the adjusting ring (9) are the same as those of the fixing groove (53), and the bottom of the stop block (63) is attached to the bottom of the inner wall of the fixing groove (53).
4. The mold for molding a light incident serration for a light guide plate according to claim 1, wherein: the bottom of adjusting ring (9) is laminated with the bottom of die cavity (51) inner wall, the entry of sprue (91) is laminated with the export of notes material passageway (52) mutually.
5. The mold for molding a light incident serration for a light guide plate according to claim 1, wherein: the outer ring of the adjusting ring (9) is connected with a plurality of fixing bolts (10) in a penetrating mode, and one side, close to the connecting rod (7), of each fixing bolt (10) is attached to the outer ring of the top die (8).
6. The mold for molding a light incident serration for a light guide plate according to claim 1, wherein: the bottom of the top die (8) is uniformly provided with a plurality of salient points (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122810180.8U CN216373143U (en) | 2021-11-17 | 2021-11-17 | Forming die for light incident sawteeth of light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122810180.8U CN216373143U (en) | 2021-11-17 | 2021-11-17 | Forming die for light incident sawteeth of light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216373143U true CN216373143U (en) | 2022-04-26 |
Family
ID=81252882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122810180.8U Expired - Fee Related CN216373143U (en) | 2021-11-17 | 2021-11-17 | Forming die for light incident sawteeth of light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216373143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489080A (en) * | 2022-09-29 | 2022-12-20 | 合茂电子元件（吴江）有限公司 | Automatic plastic injection mold of die sinking |
-
2021
- 2021-11-17 CN CN202122810180.8U patent/CN216373143U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489080A (en) * | 2022-09-29 | 2022-12-20 | 合茂电子元件（吴江）有限公司 | Automatic plastic injection mold of die sinking |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |