CN216267465U

CN216267465U - Mould assembly for hot-pressing plastic optical lens

Info

Publication number: CN216267465U
Application number: CN202122700109.4U
Authority: CN
Inventors: 官晟文
Original assignee: Jiangxi Jianlong Optical Element Co ltd
Current assignee: Jiangxi Jianlong Optical Element Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to a die assembly for hot-pressing plastic optical lenses, which comprises a base, wherein a die seat is arranged at the top of the base, an upper die and a lower die are arranged at the top of the die seat, die inserts are arranged in the upper die and the lower die and are in sliding connection with the upper die and the lower die through guide strips, a supporting plate is arranged at the rear side of the die seat, pressing pieces are symmetrically arranged at the front side of the supporting plate and are in sliding connection with the supporting plate, a fixing frame is arranged at the top of the front side of the supporting plate, a hydraulic telescopic rod is arranged at the bottom of the fixing frame, the bottom end of the hydraulic telescopic rod is connected with the upper die insert through a connecting frame, and a pouring gate and an ejection mechanism are arranged on the die insert.

Description

Mould assembly for hot-pressing plastic optical lens

Technical Field

The utility model relates to a die assembly for hot-pressing plastic optical lenses, and belongs to the technical field of hot-pressing dies.

Background

Some optical lenses are subjected to glue injection hot press molding by using a molding die. In order to achieve a specific imaging effect, the conventional plastic lenses need to be injection-molded with two different plastic materials. At present, to the lens that has two kinds of different plastic materials, in its manufacturing process, can use two sets of moulds to carry out twice injecting glue shaping usually, however, when the lens shifts to another set of mould from one of them set of mould, positional deviation's problem can appear, and heat exchange efficiency is poor, influences production efficiency, ejecting trouble scheduling problem.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a mold assembly for hot-pressing plastic optical lenses, which can be separated from an upper mold and a lower mold by arranging a mold core, so that hot-pressing operation is convenient, meanwhile, the mold assembly can be conveniently replaced to meet the production of different lenses, the mold can be conveniently cooled by arranging a heat dissipation cavity, the heat dissipation efficiency is improved, the production efficiency is improved, the mold core can be heated by arranging a heating pipe, so that the hot-pressing procedure is ensured, the product can be conveniently ejected by arranging an ejection mechanism, the manual taking is replaced, the labor is saved, the production efficiency is improved, and the problems in the background technology can be effectively solved.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a hot pressing plastics optical lens's mould subassembly, includes the base, the base top is provided with the mould seat, mould seat top is provided with mould and bed die, install mould benevolence in last mould and the bed die, just through gib block sliding connection between mould benevolence and last mould, the bed die, mould seat rear side is provided with the backup pad, backup pad front side symmetry is provided with the pressing piece, just sliding connection between pressing piece and the backup pad, backup pad front side top is provided with the mount, the mount bottom is provided with hydraulic telescoping rod, just the hydraulic telescoping rod bottom is passed through the link and is connected with upside mould benevolence, be provided with sprue gate and ejection mechanism on the mould benevolence.

Further, the upper die and the lower die are connected with the guide rod through matched guide grooves.

Further, a heat dissipation cavity is arranged in the upper die and the lower die, cooling liquid is filled in the heat dissipation cavity, an inlet pipe and a discharge pipe are respectively arranged on the outer side of the heat dissipation cavity, a heating pipe is arranged in the inner side wall of the heat dissipation cavity, heat conduction plates are arranged on the inner side and the outer side of the die core, and a heat conduction piece is connected between the heat conduction plates.

Furthermore, the supporting plate is symmetrically provided with sliding grooves matched with the pressing piece, and a pressing telescopic rod is further installed between the rear end of the pressing piece and the supporting plate.

Furthermore, the contact position of the die core is provided with a hot pressing groove, and the sprue gate is arranged on the upper die core and communicated with the hot pressing groove.

Further, the ejection mechanism is arranged on the lower die core and comprises an ejection rod, an ejection plate is mounted at the top end of the ejection rod, and the ejection plate is arranged at the bottom of the hot pressing groove.

The utility model has the beneficial effects that:

1. the mold core can be separated from the upper mold and the lower mold by arranging the mold core, so that hot pressing operation is convenient to carry out, and meanwhile, the mold core is convenient to replace to meet the requirements of different lens production;

2. the die is convenient to radiate heat by arranging the radiating cavity, the radiating efficiency is improved, and the production efficiency is improved;

3. through setting up ejection mechanism, can make things convenient for the product ejecting, replace the manual work to take out, use manpower sparingly, improve production efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a schematic view of a mold assembly for hot-pressing plastic optical lenses according to the present invention.

FIG. 2 is a cross-sectional view of a mold insert of a mold assembly for hot pressing plastic optical lenses according to the present invention.

FIG. 3 is a cross-sectional view of a mold assembly cavity for hot pressing a plastic optical lens according to the present invention.

FIG. 4 is a cross-sectional view of the heat-conducting plate of the mold assembly for hot-pressing a plastic optical lens according to the present invention.

Reference numbers in the figures: 1. a base; 2. a mold base; 3. an upper die; 4. a lower die; 5. a mold core; 6. a support plate; 7. a pressing member; 8. a fixed mount; 9. a hydraulic telescopic rod; 10. a pouring gate; 11. an ejection mechanism; 12. a guide groove; 13. a guide bar; 14. a heat dissipation cavity; 15. cooling liquid; 16. an inlet pipe; 17. a discharge pipe; 18. heating a tube; 19. a heat conducting plate; 20. a heat conductive member; 21. a chute; 22. hot pressing the groove; 23. ejecting the rod; 24. and ejecting the plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

As shown in fig. 1-4, a mold assembly for hot-pressing plastic optical lenses comprises a base 1, a mold base 2 is arranged on the top of the base 1, an upper mold 3 and a lower mold 4 are arranged on the top of the mold base 2, a mold core 5 is arranged in the upper mold 3 and the lower mold 4, the mold core 5 is connected with the upper mold 3 and the lower mold 4 in a sliding manner through a guide strip, and can be separated from the upper mold 3 and the lower mold 4, so that hot-pressing operation can be conveniently performed, and replacement can be conveniently performed to meet production requirements of different lenses, a support plate 6 is arranged on the rear side of the mold base 2, pressing pieces 7 are symmetrically arranged on the front side of the support plate 6, the pressing pieces 7 are connected with the support plate 6 in a sliding manner, a fixed frame 8 is arranged on the top of the front side of the support plate 6, a hydraulic telescopic rod 9 is arranged at the bottom of the fixed frame 8, and the bottom end of the hydraulic telescopic rod 9 is connected with the upper mold core 5 through a connecting frame, be provided with sprue gate 10 and ejection mechanism 11 on mould benevolence 5, can make things convenient for the product ejecting, replace artifical the taking out, use manpower sparingly, improve production efficiency.

As shown in fig. 1, sliding grooves 21 matched with the pressing piece 7 are symmetrically arranged on the supporting plate 6, a pressing telescopic rod is further installed between the rear end of the pressing piece 7 and the supporting plate 6, and the pressing piece 7 is driven to ascend and descend, so that the upper die 3 is conveniently pressed and fixed.

As shown in fig. 2, the upper mold 3 and the lower mold 4 are connected with a guide rod 13 through a matched guide groove 12, a hot pressing groove 22 is formed in a contact position of the mold core 5, the sprue gate 10 is arranged on the upper mold core 5 and communicated with the hot pressing groove 22, the ejection mechanism 11 is arranged on the lower mold core 5, the ejection mechanism 11 comprises an ejection rod 23, an ejection plate 24 is arranged at the top end of the ejection rod 23, the ejection plate 24 is arranged at the bottom of the hot pressing groove 22, so that a product can be ejected conveniently, and an ejection telescopic rod is arranged at the bottom of the ejection mechanism 11.

As shown in fig. 3, be provided with heat dissipation chamber 14 in last mould 3 and the bed die 4, just heat dissipation chamber 14 intussuseption is filled with coolant liquid 15, can make things convenient for the mould to dispel the heat, improves the radiating efficiency to improve production efficiency, the heat dissipation chamber 14 outside is provided with admission pipe 16 and discharge pipe 17 respectively, be provided with heating pipe 18 in the heat dissipation chamber 14 inside wall, can heat mould benevolence 5, thereby guarantee going on of hot pressing procedure, the inside and outside both sides of mould benevolence 5 all are provided with heat-conducting plate 19, be connected with heat-conducting piece 20 between the heat-conducting plate 19, conduct the heat, conveniently heat and dispel the heat.

The working principle of the utility model is as follows: when processing, heating pipe 18 preheats the device, and the raw materials is pour through sprue gate 10, then carries out the hot pressing to the product through mould benevolence 5, then lets in coolant liquid 15 and carries out quick cooling, promotes upside mould benevolence 5 when taking out, and ejection mechanism 11 is ejecting with the product.

The above embodiments are preferred embodiments of the present invention, and those skilled in the art can make variations and modifications to the above embodiments, therefore, the present invention is not limited to the above embodiments, and any obvious improvements, substitutions or modifications made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A mould subassembly of hot pressing plastics optical lens, includes base (1), its characterized in that: the top of the base (1) is provided with a mould seat (2), the top of the mould seat (2) is provided with an upper mould (3) and a lower mould (4), a mold core (5) is arranged in the upper mold (3) and the lower mold (4), the die core (5) is connected with the upper die (3) and the lower die (4) in a sliding way through the guide strips, a supporting plate (6) is arranged at the rear side of the die seat (2), pressing pieces (7) are symmetrically arranged at the front side of the supporting plate (6), the pressing piece (7) is connected with the supporting plate (6) in a sliding way, the top of the front side of the supporting plate (6) is provided with a fixed frame (8), the bottom of the fixed frame (8) is provided with a hydraulic telescopic rod (9), the bottom end of the hydraulic telescopic rod (9) is connected with the upper die core (5) through a connecting frame, the die core (5) is provided with a pouring gate (10) and an ejection mechanism (11).

2. A mold assembly for hot-pressing plastic optical lenses according to claim 1, wherein: the upper die (3) and the lower die (4) are connected with a guide rod (13) through a matched guide groove (12).

3. A mold assembly for hot-pressing plastic optical lenses according to claim 1, wherein: the mold is characterized in that a heat dissipation cavity (14) is formed in the upper mold (3) and the lower mold (4), cooling liquid (15) is filled in the heat dissipation cavity (14), an inlet pipe (16) and an outlet pipe (17) are respectively arranged on the outer side of the heat dissipation cavity (14), a heating pipe (18) is arranged in the inner side wall of the heat dissipation cavity (14), heat-conducting plates (19) are arranged on the inner side and the outer side of the mold core (5), and a heat-conducting part (20) is connected between the heat-conducting plates (19).

4. A mold assembly for hot-pressing plastic optical lenses according to claim 1, wherein: the supporting plate (6) is symmetrically provided with sliding grooves (21) matched with the pressing piece (7), and a pressing telescopic rod is further installed between the rear end of the pressing piece (7) and the supporting plate (6).

5. A mold assembly for hot-pressing plastic optical lenses according to claim 1, wherein: the contact position of mould benevolence (5) is provided with hot pressing groove (22), sprue gate (10) set up on upside mould benevolence (5), and with hot pressing groove (22) intercommunication.

6. The mold assembly for hot-pressing plastic optical lenses according to claim 5, wherein: the ejection mechanism (11) is arranged on the lower die core (5), the ejection mechanism (11) comprises an ejection rod (23), an ejection plate (24) is mounted at the top end of the ejection rod (23), and the ejection plate (24) is arranged at the bottom of the hot pressing groove (22).