CN216992920U

CN216992920U - Optical lens injection mold without water gap

Info

Publication number: CN216992920U
Application number: CN202123297361.1U
Authority: CN
Inventors: 潘少平
Original assignee: Kunshan Mingku Electronics Co ltd
Current assignee: Kunshan Mingku Electronics Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-19
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a water-gap-free optical lens injection mold which comprises a lower mold, wherein an upper mold is arranged on the upper surface of the lower mold, a first flow channel is formed in the upper surface of the upper mold, second flow channels communicated with the first flow channel are symmetrically formed in the upper surface of the lower mold, a first groove is formed in the front side surface of the lower mold, a sliding plate is movably connected to the inner side of the first groove, a fixed plate is fixedly connected to the position, below the sliding plate, of the inner side of the first groove, and a rotating motor is fixedly installed on the position, behind the fixed plate, of the inner side of the first groove. According to the utility model, a user starts the rotating motor, drives the screw rod to rotate clockwise and anticlockwise through the rotating motor, can repeatedly move the sliding ring left and right, and simultaneously drives the sliding plate to move, so that the pressed optical lens can be quickly demoulded, the operation is simple and convenient, the working efficiency is improved, and the practicability is improved.

Description

Optical lens injection mold without water gap

Technical Field

The utility model relates to the technical field of injection molds, in particular to an optical lens injection mold without a water gap.

Background

The mold is a tool for realizing molded articles in industrial production, the injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and specifically, the heated and melted plastic is injected into a mold cavity at high pressure by an injection molding machine, and a molded plastic part is obtained after cooling and solidification.

Chinese patent "a no water gap optical lens injection mold" (patent No. 202120189510.3) can effectively lead the melting plastic to the cavity benevolence in the die lifting hole through first water conservancy diversion piece, after accomplishing moulding plastics, the lift post rises to make first water conservancy diversion piece support in compressing tightly the groove, thereby effectively eliminate the intercommunication between two die lifting holes, can not form the water gap piece between the optical lens after injection moulding, the optical lens that the shaping breaks away from the back and obtains need not to cut processing, however, the injection mold in the above-mentioned patent can not carry out quick drawing of patterns to the optical lens, waste time and energy, and reduced work efficiency, lead to the problem that drawing of patterns efficiency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a non-nozzle injection mold for optical lenses, and aims to solve the problems that the existing injection mold in the background art generally needs manual demolding on the optical lenses, is complex and tedious in operation, wastes time and labor, easily causes accidental injury to operators when manual demolding is carried out on the optical lenses, and reduces the practicability.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a no water gap's optical lens injection mold, includes the lower mould, the upper surface of lower mould is provided with the mould, first runner has been seted up to the upper surface of last mould, the second runner that link up mutually with first runner is seted up to the upper surface symmetry of lower mould, first recess has been seted up to the front side surface of lower mould, the inboard swing joint of first recess has the sliding plate, the inboard of first recess is located the below fixedly connected with fixed plate of sliding plate, the inboard rear side fixed mounting that is located the fixed plate of first recess has the rotating electrical machines, the transmission end fixedly connected with screw rod of rotating electrical machines, be connected through first roller bearing between screw rod and the fixed plate, the outside surface swing joint of screw rod has the slip ring, be connected through the connecting rod between sliding plate and the slip ring.

Preferably, the upper surface symmetry of lower mould has seted up the draw-in groove, the equal fixedly connected with slot of the position department that the upper surface of going up the mould is located two draw-in grooves is convenient for carry out the block to lower mould and last mould, increases precision.

Preferably, the inner side surface of the first groove is symmetrically provided with first sliding grooves, two ends of the sliding plate are fixedly connected with sliding blocks matched with the two first sliding grooves, and the upper surface of the sliding plate is provided with female dies at positions of the two second runners, so that the pressed optical lens can be rapidly demolded.

Preferably, the inner side surface of the sliding ring is provided with a first internal thread meshed with the screw rod, the inner diameter of the sliding ring is matched with the diameter of the screw rod, a user opens the rotating motor, drives the screw rod to rotate clockwise and anticlockwise through the rotating motor, can move the sliding ring left and right repeatedly, and drives the sliding plate to move simultaneously.

Preferably, the second recess has all been seted up on the both sides surface of lower mould, and the equal swing joint in inboard of two second recesses has the supporting legs, all is connected through a plurality of spring between two supporting legs and two second recesses, compresses the spring through the lower mould, makes the spring be compression state, can carry out effectual buffering to the lower mould, strengthens the stability of lower mould.

Preferably, two supporting legss all adopt stainless steel to make, and two supporting legss all are convex structure, and the equal fixedly connected with of lower surface of two supporting legss protects and fills up, and two protection fill up and all adopt the rubber material to make, and the protection fills up the frictional force that can increase the supporting legs, strengthens the stability of lower mould.

Preferably, the upper surface of going up the mould is located four edges and has all seted up the spread groove, and four spread grooves all are connected with outside hydraulic stem, are convenient for break away from last mould.

Preferably, the upper surface of the lower die is fixedly connected with a liquid inlet pipe at the position of the first flow channel, so that molten plastic can be conveniently injected into the liquid inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, a user starts the rotating motor, drives the screw rod to rotate clockwise and anticlockwise through the rotating motor, can repeatedly move the sliding ring left and right, and simultaneously drives the sliding plate to move, so that the pressed optical lens can be quickly demoulded, the operation is simple and convenient, the working efficiency is improved, and the practicability is improved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an internal structural view of the upper mold of FIG. 1 according to the present invention;

FIG. 3 is an internal structure view of the first groove of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a left side view of the upper mold of FIG. 1 according to the present invention;

fig. 6 is an enlarged structural view of the present invention at B in fig. 5.

In the figure: 1. a lower die; 2. an upper die; 3. a first flow passage; 4. a first groove; 5. a sliding plate; 6. a female die; 7. a second flow passage; 8. a fixing plate; 9. a rotating electric machine; 10. a screw; 11. a slip ring; 12. a second groove; 13. supporting legs; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an optical lens injection mold without a water gap comprises a lower mold 1, an upper mold 2 is arranged on the upper surface of the lower mold 1, clamping grooves are symmetrically formed in the upper surface of the lower mold 1, and the upper surface of the upper mold 2 is fixedly connected with the two clamping grooves, so that the lower mold 1 and the upper mold 2 can be clamped conveniently, and the precision is improved;

the upper surface of the upper die 2 is provided with connecting grooves at four corners, the four connecting grooves are connected with an external hydraulic rod, so that the upper die 2 can be conveniently separated, the upper surface of the upper die 2 is provided with a first flow channel 3, and the upper surface of the lower die 1 is fixedly connected with a liquid inlet pipe at the position of the first flow channel 3, so that molten plastic can be conveniently injected into the first flow channel 3;

the upper surface of the lower die 1 is symmetrically provided with second flow channels 7 communicated with the first flow channels 3, the front side surface of the lower die 1 is provided with a first groove 4, the inner side of the first groove 4 is movably connected with a sliding plate 5, the inner side surface of the first groove 4 is symmetrically provided with first sliding chutes, two ends of the sliding plate 5 are fixedly connected with sliding blocks matched with the two first sliding chutes, and the upper surface of the sliding plate 5 at the positions of the two second flow channels 7 is provided with a female die 6, so that the pressed optical lens can be rapidly demolded;

the inner side of the first groove 4 is positioned below the sliding plate 5 and is fixedly connected with a fixed plate 8, the inner side of the first groove 4 is positioned at the rear side of the fixed plate 8 and is fixedly provided with a rotating motor 9, the transmission end of the rotating motor 9 is fixedly connected with a screw rod 10, the screw rod 10 is connected with the fixed plate 8 through a first rolling shaft, the outer side surface of the screw rod 10 is movably connected with a sliding ring 11, the inner side surface of the sliding ring 11 is provided with a first internal thread meshed with the screw rod 10, the inner diameter of the sliding ring 11 is matched with the diameter of the screw rod 10, a user starts the rotating motor 9, the screw rod 10 is driven by the rotating motor 9 to rotate clockwise and counterclockwise, the sliding ring 11 can be repeatedly moved left and right, the sliding plate 5 is driven to move, and the sliding plate 5 is connected with the sliding ring 11 through a connecting rod;

second recess 12 has all been seted up on the both sides surface of lower mould 1, the equal swing joint in inboard of two second recesses 12 has supporting legs 13, two supporting legs 13 all adopt stainless steel material to make, two supporting legs 13 all are convex structure, the equal fixedly connected with protection of the lower surface of two supporting legs 13 fills up, and two protection fill up and all adopt the rubber material to make, the protection fills up the frictional force that can increase supporting legs 13, strengthen the stability of lower mould 1, all be connected through a plurality of spring 14 between two supporting legs 13 and two second recesses 12, compress spring 14 through lower mould 1, make spring 14 be compression state, can carry out effectual buffering to lower mould 1, strengthen the stability of lower mould 1.

The working principle is as follows: at first, go up mould 2 and 1 looks block of lower mould, it is connected with the feed liquor pipe to mould plastics outside, it is inboard to get into die 6 with second runner 7 through first runner 3, the inboard melting plastic cooling shaping of die 6, the user opens rotating electrical machines 9, drive screw rod 10 through rotating electrical machines 9 and go forward, anticlockwise rotation, can control the slip ring 11 and remove about repeatedly, drive sliding plate 5 simultaneously and remove, can carry out the quick drawing of patterns with the optical lens piece that the suppression was accomplished, moreover, the steam generator is simple in operation, and is convenient, the work efficiency is improved, compress spring 14 through lower mould 1, make spring 14 be compression state, can carry out effectual buffering to lower mould 1, strengthen the stability of lower mould 1, and the practicability is improved.

In conclusion: according to the utility model, a user starts the rotating motor 9, drives the screw rod 10 to rotate clockwise and anticlockwise through the rotating motor 9, can repeatedly move the sliding ring 11 left and right, and simultaneously drives the sliding plate 5 to move, so that the pressed optical lens can be quickly demoulded, the operation is simple and convenient, the working efficiency is improved, and the practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optical lens injection mold of no water gap, includes lower mould (1), its characterized in that: an upper die (2) is arranged on the upper surface of the lower die (1), a first flow passage (3) is formed in the upper surface of the upper die (2), a second flow passage (7) communicated with the first flow passage (3) is symmetrically formed in the upper surface of the lower die (1), a first groove (4) is formed in the front side surface of the lower die (1), a sliding plate (5) is movably connected to the inner side of the first groove (4), a fixed plate (8) is fixedly connected to the inner side of the first groove (4) and located below the sliding plate (5), a rotating motor (9) is fixedly installed on the inner side of the first groove (4) and located on the rear side of the fixed plate (8), a screw rod (10) is fixedly connected to the transmission end of the rotating motor (9), the screw rod (10) is connected with the fixed plate (8) through a first rolling shaft, and a sliding ring (11) is movably connected to the outer side surface of the screw rod (10), the sliding plate (5) is connected with the sliding ring (11) through a connecting rod.

2. The injection mold for an optical lens without a water gap of claim 1, wherein: the upper surface of the lower die (1) is symmetrically provided with clamping grooves, and the upper surface of the upper die (2) is fixedly connected with the slots at the positions of the two clamping grooves.

3. The injection mold for an optical lens without a water gap as claimed in claim 1, wherein: first chutes are symmetrically formed in the inner side surface of the first groove (4), sliding blocks matched with the two first chutes are fixedly connected to the two ends of the sliding plate (5), and concave dies (6) are formed in the positions, located on the two second runners (7), of the upper surface of the sliding plate (5).

4. The injection mold for an optical lens without a water gap of claim 1, wherein: the inner side surface of the sliding ring (11) is provided with a first internal thread meshed with the screw rod (10), and the inner diameter of the sliding ring (11) is matched with the diameter of the screw rod (10).

5. The injection mold for an optical lens without a water gap of claim 1, wherein: second grooves (12) are formed in the surfaces of the two sides of the lower die (1), supporting legs (13) are movably connected to the inner sides of the two second grooves (12), and the two supporting legs (13) are connected with the two second grooves (12) through a plurality of springs (14).

6. The injection mold for an optical lens without a water gap of claim 1, wherein: the two supporting legs (13) are made of stainless steel materials, the two supporting legs (13) are of convex structures, the lower surfaces of the two supporting legs (13) are fixedly connected with protective pads, and the two protective pads are made of rubber materials.

7. The injection mold for an optical lens without a water gap of claim 1, wherein: the upper surface of the upper die (2) is positioned at four corners and is provided with connecting grooves, and the four connecting grooves are connected with an external hydraulic rod.

8. The injection mold for an optical lens without a water gap of claim 1, wherein: the upper surface of the lower die (1) is fixedly connected with a liquid inlet pipe at the position of the first flow channel (3).