CN217144704U

CN217144704U - Positioning device for contact lens mold

Info

Publication number: CN217144704U
Application number: CN202220212792.9U
Authority: CN
Inventors: 李凡; 赵铭柱
Original assignee: Suzhou Tianqun Precision Machinery Co ltd
Current assignee: Suzhou Tianqun Precision Machinery Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-09
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a positioning device of a contact lens mould, which comprises a base, wherein a slide seat is slidably arranged on the upper side of the base, a lower mould seat is arranged on the upper side of the slide seat, a vertical frame is arranged on the upper side of one end of the base, a hydraulic cylinder is arranged on the lower side of one end of the vertical frame, an upper mould seat is arranged on the lower side of the hydraulic cylinder through a support, the upper mould seat is clamped on the upper side of the lower mould seat, a first injection mould cavity and a second injection mould cavity are arranged between the lower mould seat and the upper mould seat, one side of the first injection mould cavity and one side of the second injection mould cavity are provided with injection moulding openings, and a locking mechanism is arranged on the lower side of the slide seat, the lower side of the slide seat is slidably connected with the base through the slide seat, so that the lower mould seat can be conveniently disassembled, and the locking mechanism is arranged on the lower side of the slide seat, thereby the slide seat can be locked on the lower side of a slide rail and the stability of the installation and positioning of the lower mould seat can be conveniently improved, is favorable for improving the injection molding precision.

Description

Positioning device for contact lens mold

Technical Field

The utility model relates to a contact lens mould technical field specifically is a positioner of contact lens mould.

Background

Contact lenses are very popular in the market because they are more portable and more aesthetically pleasing than frame lenses, especially some colored contact lenses (e.g., american pupils) have patterns of various colors on their iris portions, which have the effect of enlarging the pupil and are very popular with the general public. Injection molds are required in the production of contact lenses. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes.

The existing positioning device for the contact lens mold is inconvenient for disassembling, assembling, positioning and demolding the lower mold base, and poor in stability of installing and positioning the mold base, so that the injection molding precision of the mold is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner of contact lens mould to solve and be not convenient for carry out dismouting location demolding among the prior art to the die holder and handle, the stability of die holder installation location is relatively poor moreover, thereby influences the problem of mould injection-molded machining's precision.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioner of contact lens mould, includes the base, base upside slidable mounting has the slide, and the slide upside installs the die holder, the grudging post is installed to base one end upside, the pneumatic cylinder is installed to grudging post one end downside, the pneumatic cylinder downside has the upper die base through linking bridge mounting, the upper die base card is established at the die holder upside, and is provided with first chamber and the second chamber of moulding plastics between die holder and the upper die base, the mouth of moulding plastics has been seted up to first chamber and the second chamber of moulding plastics one side, locking mechanical system is installed to the slide downside.

Furthermore, a positioning groove is formed in the upper side of the lower die base, and the lower side of the upper die base is clamped in the positioning groove through a clamping base.

Furthermore, a heat dissipation groove is formed in the upper side of the upper die base, and heat dissipation fins are installed on the outer side of the heat dissipation groove.

Furthermore, slide rails are installed on two sides of the upper end of the base, and the slide seat is slidably clamped outside the slide rails.

Furthermore, locking mechanical system is including setting up the lower carriage in slide middle part downside, the cylinder is installed to the lower carriage downside, location briquetting is installed to cylinder one end.

Furthermore, anti-skidding sawtooth is installed to location briquetting one side, and anti-skidding sawtooth adopts rubber construction.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses because the die holder downside passes through slide and base sliding connection for be convenient for carry out dismouting location demolding to the die holder and handle, install locking mechanical system through the slide downside moreover, locking mechanical system's cylinder drive location briquetting removes to adjust to press and establishes in the slide rail outside, makes can lock the slide at the slide rail downside, is convenient for improve the stability of die holder erection site, is favorable to improving the precision of moulding plastics.

2. The utility model discloses and set up the constant head tank that has through the die holder upside, the upper die base downside passes through the joint seat joint in the constant head tank for be convenient for fix a position the accurate joint of upper die base at the die holder upside, be favorable to improving the precision of moulding plastics, be provided with first chamber and the second chamber of moulding plastics through being provided with between die holder and the upper die base moreover, make a plurality of contact lens products of moulding plastics simultaneously, be favorable to improving injection-molded machining's efficiency.

3. The utility model discloses a radiating groove has been seted up to the upper die base upside, radiating fin is installed in the radiating groove outside for be convenient for carry out heat conduction radiating treatment to the upper die base outside, the radiating effect is better.

Drawings

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

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a base; 2. a lower die holder; 3. a slide base; 4. erecting a frame; 5. a hydraulic cylinder; 6. connecting a bracket; 7. an upper die holder; 8. a first injection molding cavity; 9. positioning a groove; 10. a heat sink; 11. a heat dissipating fin; 12. an injection molding port; 13. a second injection molding cavity; 14. a lower bracket; 15. a cylinder; 16. positioning a pressing block; 17. anti-skid sawteeth; 18. a slide rail; 19. a clamping seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a positioning device for a contact lens mold comprises a base 1, a slide seat 3 is slidably mounted on an upper side of the base 1, and a lower mold seat 2 is mounted on an upper side of the slide seat 3, so as to facilitate the disassembling, positioning and mold unloading of the lower mold seat 2, a stand 4 is mounted on an upper side of one end of the base 1, a hydraulic cylinder 5 is mounted on a lower side of one end of the stand 4, an upper mold seat 7 is mounted on a lower side of the hydraulic cylinder 5 through a connecting bracket 6, the upper mold seat 7 is clamped on an upper side of the lower mold seat 2, and a first injection molding cavity 8 and a second injection molding cavity 13 are disposed between the lower mold seat 2 and the upper mold seat 7, so that a plurality of contact lens products can be simultaneously injected, which is beneficial to improve the injection molding efficiency, an injection molding opening 12 is formed on one side of the first injection molding cavity 8 and the second injection molding cavity 13, a locking mechanism is mounted on a lower side of the slide seat 3, so that the slide seat 3 can be locked on a lower side of a slide rail 18, the stability of the installation and the positioning of the lower die holder 2 is convenient to improve, and the injection molding precision is favorably improved.

Preferably, constant head tank 9 has been seted up to 2 upsides of die holder, and the joint seat 19 joint is passed through to upper die base 7 downside in constant head tank 9 for be convenient for fix a position the accurate joint of upper die base 7 in 2 upsides of die holder, be favorable to further improving the precision of moulding plastics.

Preferably, radiating groove 10 has been seted up to upper die base 7 upside, and radiating fin 11 is installed in the radiating groove 10 outside for be convenient for carry out heat conduction heat dissipation to the upper die base 7 outside and handle, the radiating effect is better.

Preferably, the slide rails 18 are installed on two sides of the upper end of the base 1, and the slide carriage 3 is slidably clamped outside the slide rails 18, so that the slide carriage 3 is slidably installed on the upper end of the base 1.

Preferably, locking mechanical system is including setting up the lower carriage 14 at slide 3 middle part downside, and cylinder 15 is installed to lower carriage 14 downside, and location briquetting 16 is installed to 15 one end of cylinder, and 16 removal regulation pressures of cylinder 15 drive location briquetting are established in the slide rail 18 outside for can lock slide 3 in slide rail 18 downside, be convenient for improve the stability of die holder 2 installation and location, be favorable to improving the precision of moulding plastics.

Preferably, the anti-skidding sawtooth 17 is installed to location briquetting 16 one side, and anti-skidding sawtooth 17 adopts rubber construction for location briquetting 16 one side has good anti-skidding performance, is favorable to improving the stability that location briquetting 16 pressed and held the location.

The utility model discloses a theory of operation and use flow: because slide rail 18 sliding connection of slide 3 and base 1 upside is passed through to lower bolster 2 downside for be convenient for carry out dismouting location demolding to lower bolster 2 and handle, install locking mechanical system through slide 3 downside moreover, locking mechanical system's 15 drive location briquetting 16 removal regulation pressures of cylinder are established in the 18 outsides of slide rail, make and to lock slide 3 at slide 18 downside, be convenient for improve the stability of lower bolster 2 erection site, be favorable to improving the precision of moulding plastics.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for contact lens molds, comprising a base (1), characterized in that: base (1) upside slidable mounting has slide (3), and slide (3) upside installs die holder (2), grudging post (4) are installed to base (1) one end upside, pneumatic cylinder (5) are installed to grudging post (4) one end downside, upper die base (7) are installed through linking bridge (6) to pneumatic cylinder (5) downside, upper die base (7) card is established at die holder (2) upside, and is provided with first injection molding chamber (8) and second between die holder (2) and upper die base (7) and moulds plastics chamber (13), first injection molding chamber (8) and second are moulded plastics chamber (13) one side and have been seted up and are moulded plastics mouthful (12), locking mechanical system is installed to slide (3) downside.

2. The positioning device for a contact lens mold according to claim 1, wherein: the upper side of the lower die base (2) is provided with a positioning groove (9), and the lower side of the upper die base (7) is clamped in the positioning groove (9) through a clamping base (19).

3. The positioning device for a contact lens mold according to claim 1, wherein: the upper die base (7) is provided with a heat dissipation groove (10) on the upper side, and heat dissipation fins (11) are installed on the outer side of the heat dissipation groove (10).

4. The positioning device for a contact lens mold according to claim 1, wherein: slide rails (18) are installed on two sides of the upper end of the base (1), and the slide seat (3) is slidably clamped on the outer sides of the slide rails (18).

5. The positioning device for a contact lens mold according to claim 1, wherein: the locking mechanism comprises a lower support (14) arranged on the lower side of the middle of the sliding seat (3), an air cylinder (15) is installed on the lower side of the lower support (14), and a positioning pressing block (16) is installed at one end of the air cylinder (15).

6. The positioning device for contact lens molds according to claim 5, wherein: anti-skidding sawtooth (17) are installed to location briquetting (16) one side, and anti-skidding sawtooth (17) adopt rubber construction.