Silica hydrogel contact lens injection molding equipment

By designing an automated silicone hydrogel contact lens molding machine, which utilizes rack and pinion meshing with gears and adjustable motors, automated molding is achieved, solving the problems of product inconsistency and time waste caused by manual operation and improving production efficiency.

CN223456388UActive Publication Date: 2025-10-21CHANGZHOU JINGLI OPTICAL TECH CO LTD
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Patent Information

Application Number
CN202422463595.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-10-21
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

Existing contact lens injection molding equipment requires manual operation, resulting in inconsistent product molding effects, consuming a lot of manpower and material resources, and increasing working time.

Method used

A silicone hydrogel contact lens injection molding device was designed, comprising a body, an electric push rod, a fixed plate, a rotating shaft, gears, a rotating disk, a fixed rod, an adjusting seat, an adjusting motor, and a hydraulic cylinder. The device achieves automated injection by meshing the rack and pinion with the gears and cooperating with the adjusting seat and the adjusting motor, ensuring that the injection mold box and the injection mold plate are aligned, and improving efficiency through a transmission belt and a collection platform.

Benefits of technology

It reduces manual labor, improves injection molding efficiency, and ensures consistency in injection molding results and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The silica hydrogel contact lens injection molding equipment comprises a machine body, an electric push rod, a fixing plate, a rotating shaft, a gear, a rotating disc, a fixing rod, an adjusting base, an adjusting motor and a hydraulic cylinder, the fixing plate is arranged on the inner wall of the machine body, the electric push rod is arranged on the fixing plate, and a rack frame is arranged at the end, away from the fixing plate, of the electric push rod; a rotating shaft is arranged in the machine body, a gear is arranged at the position, corresponding to the rack frame, of the rotating shaft, the gear is meshed with the rack frame, the size of the gear is matched with the size of the rack frame, a rotating disc is arranged at the end, away from the rack frame, of the rotating shaft, and a fixing rod is arranged at the eccentric position of the rotating disc. An adjusting seat is arranged at the end, away from the rotating disc, of the fixing rod. The injection molding device is simple in structure, the workload of manual operation of workers is reduced, and the injection molding efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens production technical field, concretely is a kind of silicon hydrogel contact lens injection molding equipment. BACKGROUND

[0002] Silicon hydrogel is a kind of organic polymer material, has hydrophilic, has the double-phase material framework, namely possesses fluorine silicon and two kinds of channels of hydrogel, is often used to make high-grade contact lenses, and silicon hydrogel contact lens is produced, silicon hydrogel material is injected into corresponding mould, the basic shape of lens is formed, then mould is placed into high-temperature oven, heating and solidification are carried out, so that lens has certain strength and oxygen permeability, so the production quality of silicon hydrogel contact lens is mainly determined by the quality of raw material, i.e.the precision of forming mould, and the most time-consuming and laborious step in production is also injection molding.

[0003] The existing contact lens injection molding equipment, when working, most processes still need to be operated by manual, as manual auxiliary operation, product forming effect is different due to personnel difference, and manual operation cooperation, a large amount of manpower and material resources are consumed, increase the time required for work, so the utility model provides a kind of silicon hydrogel contact lens injection molding equipment to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of silicon hydrogel contact lens injection molding equipment to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of silicon hydrogel contact lens injection molding equipment, including machine body, electric push rod, fixed plate, pivot, gear, rotating disc, fixed rod, adjusting seat, adjusting motor and hydraulic cylinder, fixed plate is equipped on the inner wall of machine body, electric push rod is equipped on the fixed plate, rack frame is equipped on the one end of electric push rod away from fixed plate, pivot is equipped in the machine body, gear is equipped on the pivot corresponding to rack frame, gear and rack frame are mutually engaged, and the size of gear and the size of rack frame are adapted, the one end of pivot away from rack frame is equipped with rotating disc, fixed rod is equipped at the eccentric position of rotating disc, adjusting seat is equipped on the one end of fixed rod away from rotating disc.

[0006] Preferably, the side of the adjusting seat is equipped with adjusting motor, the shaft end of the adjusting motor is equipped with screw rod, the screw rod extends into the adjusting seat, the position close to the screw rod in the adjusting seat is equipped with guide rod.

[0007] Preferably, the screw is sleeved with a sliding seat on the guide rod, the sliding seat is provided with a supporting column, the adjusting seat is provided with an adjusting groove at a position corresponding to the supporting column, and the size of the adjusting groove is matched with the size of the supporting column.

[0008] Preferably, the supporting column is provided with a supporting seat at an end away from the sliding seat, the supporting seat is provided with a hydraulic cylinder, the lower side of the hydraulic cylinder is provided with a mold injection box, the lower side of the mold injection box is provided with a plurality of mold injection pipes, and the size of the plurality of mold injection pipes is matched with the size of the mold injection box.

[0009] Preferably, the two sides of the machine body adjacent to the rotating disc are both provided with a fixed frame, the two fixed frames are both provided with a plurality of mounting plates, the plurality of mounting plates are both provided with a rotating motor, and the shaft end of the rotating motor is provided with a transmission shaft.

[0010] Preferably, the plurality of transmission shafts are both provided with a driving wheel at an end away from the rotating motor, the plurality of driving wheels are both provided with a transmission belt, the transmission belt is provided with a driven wheel at a position away from the driving wheel, the transmission belt is provided with a plurality of mold injection plates, the plurality of mold injection plates are provided with a mold injection groove, and the machine body is provided with a collection platform close to the transmission belt.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model has simple structure, reduces the workload of manual operation of the staff, greatly improves the mold injection efficiency, ensures that the rotation of the rotating disc is only in a certain angle range through the rack frame and the gear, avoids that the position of the mold injection box exceeds the position of the mold injection plate, ensures that the positions of the mold injection box and the mold injection plate can be aligned through the adjusting seat and the adjusting motor, and greatly improves the mold injection efficiency through the transmission belt and the collection platform. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the utility model;

[0013] Figure 2 It is a top view structure schematic view of the utility model;

[0014] Figure 3 It is a sectional view structure schematic view of the utility model;

[0015] Figure 4 It is a rack frame structure schematic view of the utility model.

[0016] In the figure: 1, the body; 2, electric push rod; 3, fixed plate; 4, rotating shaft; 5, gear; 6, rotating disc; 7, fixed rod; 8, adjusting seat; 9, adjusting motor; 10, hydraulic cylinder; 11, rack frame; 12, sliding seat; 13, support column; 14, adjusting groove; 15, support seat; 16, injection mold box; 17, injection mold pipe; 18, fixed frame; 19, mounting plate; 20, rotating motor; 21, transmission belt; 22, injection mold plate; 23, injection mold groove; 24, collection platform. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0018] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "vertical", "upper", "lower", "horizontal" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0019] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0020] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of silicon hydrogel contact lens injection molding equipment, including body 1, electric push rod 2, fixed plate 3, pivot 4, gear 5, rotating disc 6, fixed rod 7, adjusting seat 8, adjusting motor 9 and hydraulic cylinder 10, fixed plate 3 is equipped on the inner wall of body 1, electric push rod 2 is equipped on fixed plate 3, one end of electric push rod 2 away from fixed plate 3 is equipped with rack frame 11, pivot 4 is equipped in body 1, gear 5 is equipped on the position corresponding with rack frame 11 of pivot 4, gear 5 and rack frame 11 are mutually engaged, and the size of gear 5 is compatible with the size of rack frame 11, one end of pivot 4 away from rack frame 11 is equipped with rotating disc 6, fixed rod 7 is equipped on the eccentric position of rotating disc 6, one end of fixed rod 7 away from rotating disc 6 is equipped with adjusting seat 8.

[0021] In the embodiment, the adjusting seat 8 is provided with an adjusting motor 9 on one side, a screw rod is provided at the shaft end of the adjusting motor 9, the screw rod extends into the adjusting seat 8, and a guide rod is provided in the adjusting seat 8 close to the screw rod.

[0022] In the embodiment, a sliding seat 12 is sleeved on the screw rod and the guide rod, a supporting column 13 is provided on the sliding seat 12, an adjusting groove 14 is provided on the adjusting seat 8 in a position corresponding to the supporting column 13, and the size of the adjusting groove 14 is compatible with the size of the supporting column 13.

[0023] In the embodiment, a supporting seat 15 is provided on one end of the supporting column 13 away from the sliding seat 12, a hydraulic cylinder 10 is provided on the supporting seat 15, an injection molding box 16 is provided on the lower side of the hydraulic cylinder 10, a plurality of injection molding pipes 17 are provided on the lower side of the injection molding box 16, and the size of the plurality of injection molding pipes 17 is compatible with the size of the injection molding box 16.

[0024] In the embodiment, two fixed frames 18 are provided on the body 1 on two sides adjacent to the rotating disc 6, a plurality of mounting plates 19 are provided on the two fixed frames 18, a rotating motor 20 is provided on the plurality of mounting plates 19, and a transmission shaft is provided at the shaft end of the rotating motor 20.

[0025] In the embodiment, a driving wheel is provided on one end of the plurality of transmission shafts away from the rotating motor 20, a transmission belt 21 is provided on the plurality of driving wheels, a driven wheel is provided in the transmission belt 21 away from the driving wheel, a plurality of injection molding plates 22 are provided on the transmission belt 21, an injection molding groove 23 is provided on the plurality of injection molding plates 22, and a collection platform 24 is provided on the body 1 close to the transmission belt 21.

[0026] Working principle: the staff will be placed on the plurality of injection mold plate 22 transmission belt 21, and then through the electric push rod 2, so that the rack frame 11 and gear 5 relative movement, in turn, so that the rotating shaft 4 rotation, and then make the adjustment seat 8 in a certain angle range repeated movement, and then through the adjustment motor 9, so that the screw rotation, and make the slide seat 12 with support seat 15 move along with it, and make the injection mold box 16 and injection mold plate 22 alignment, injection tube 17 and injection groove 23 alignment, and then through the hydraulic cylinder 10, complete the injection molding work, and then through the rotating motor 20, so that the rotating shaft rotation, thereby making the driving wheel with transmission belt 21 operation, and the injection molding work completed the injection mold plate 22 to the collection platform 24 can be moved to.

[0027] It is worth noting that: the whole device is controlled by the total control button, since the control button matching device is commonly used device, belongs to the existing mature technology, here no longer repeat its electrical connection relationship and specific circuit structure.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A silicone hydrogel contact lens injection molding apparatus, characterized by, The utility model relates to a kind of adjustable hydraulic moulding machine, including body (1), electric push rod (2), fixed plate (3), pivot (4), gear (5), rotating disc (6), fixed rod (7), adjusting seat (8), adjusting motor (9) and hydraulic cylinder (10), the inner wall of the body (1) is equipped with fixed plate (3), the fixed plate (3) is equipped with electric push rod (2), the electric push rod (2) is equipped with rack frame (11) on the end away from fixed plate (3), the body (1) is equipped with pivot (4) inside, the pivot (4) is equipped with gear (5) on the position corresponding with rack frame (11), gear (5) and rack frame (11) are engaged with each other, and the size of gear (5) and the size of rack frame (11) are adapted, the pivot (4) is equipped with rotating disc (6) on the end away from rack frame (11), the rotating disc (6) is equipped with fixed rod (7) on the eccentric position, the fixed rod (7) is equipped with adjusting seat (8) on the end away from rotating disc (6).

2. A silicone hydrogel contact lens injection molding apparatus as defined in claim 1, wherein: The side of the adjusting seat (8) is equipped with adjusting motor (9), the shaft end of the adjusting motor (9) is equipped with screw rod, the screw rod extends into adjusting seat (8), the position close to screw rod in the adjusting seat (8) is equipped with guide rod.

3. A silicone hydrogel contact lens injection molding apparatus as defined in claim 2, wherein: The screw rod and guide rod are sleeved with sliding seat (12) on it, the sliding seat (12) is equipped with support column (13), the adjusting seat (8) is equipped with adjusting groove (14) on the position corresponding with support column (13), the size of adjusting groove (14) and the size of support column (13) are adapted.

4. A silicone hydrogel contact lens injection molding apparatus as defined in claim 3, wherein: The end away from sliding seat (12) on the support column (13) is equipped with support seat (15), the support seat (15) is equipped with hydraulic cylinder (10), the lower side of the hydraulic cylinder (10) is equipped with injection moulding box (16), the lower side of the injection moulding box (16) is equipped with multiple injection moulding pipes (17), the size of multiple injection moulding pipes (17) and the size of injection moulding box (16) are adapted.

5. A silicone hydrogel contact lens injection molding apparatus as defined in claim 1, wherein: The two sides of the body (1) adjacent to rotating disc (6) are equipped with fixed frame (18), the two fixed frame (18) are equipped with multiple mounting plates (19), the multiple mounting plates (19) are equipped with rotating motor (20), the shaft end of the rotating motor (20) is equipped with transmission shaft.

6. A silicone hydrogel contact lens injection molding apparatus as defined in claim 5, wherein: The end away from rotating motor (20) on multiple transmission shafts is equipped with driving wheel, multiple driving wheels are equipped with transmission belt (21), the position away from driving wheel in the transmission belt (21) is equipped with driven wheel, the transmission belt (21) is equipped with multiple injection moulding plates (22), multiple injection moulding plates (22) are equipped with injection moulding groove (23), the position close to transmission belt (21) on the body (1) is equipped with collection platform (24).