Synchronous corona device for male die and female die of contact lens

Abstract

The utility model provides a synchronous corona device for male and female dies of contact lenses, and aims to solve the problems of complex electrode tip design, low production efficiency and difficulty in matching analysis of abnormal dies in the prior art. The device comprises a base, a guide rod, an upper sliding block, a lower sliding block, an upper electrode plate, a lower supporting plate, a carrier plate, an electrode bar and a supporting bar, all the components are matched to enable the electrode bar and a positioning hole to keep consistent axis alignment, and synchronous corona treatment of a male die and a female die is achieved. By adjusting the adjusting screws on the upper sliding block and the lower sliding block, the position of the electrode bar can be accurately adjusted, and it is ensured that the electrode bar and the surface of the die are kept aligned, so that the uniformity and stability of corona treatment are improved, and the production efficiency and the quality control capacity are improved. The device is suitable for the processing requirements of different mold sizes, the matching analysis difficulty of abnormal molds is effectively reduced, and more efficient and accurate corona process support is provided for the contact lens production process.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens production technical field, concretely is a kind of contact lens male, female mould synchronous corona device. BACKGROUND

[0002] In the production process of contact lens, the corona treatment of male mould and female mould is a crucial process step, especially in the preparation of contact lens, the adhesion and coating uniformity of mould surface need to be improved. Due to the complete difference of male mould and female mould processing area in traditional corona process, the difficulty of electrode head design increases, and at the same time, since the feeding area of male mould and female mould is usually not in the same process, the corona process is placed in different equipment and processes, which causes the problem that male mould and female mould cannot be one-to-one corresponding, so that the matching condition of abnormal mould cannot be quickly analyzed in subsequent processing process, thereby affecting production efficiency and quality control.

[0003] The existing corona treatment device usually adopts single electrode rod or fixed position design, which cannot be flexibly adjusted and is difficult to adapt to the change of different male mould and female mould sizes, resulting in uneven corona effect, and it is difficult to meet diversified production needs. In addition, the traditional corona process cannot effectively solve the stability problem of mould surface corona treatment, which may cause uneven corona or insufficient local corona effect in the processing process, thereby affecting the quality of final product. SUMMARY

[0004] In view of the above technical deficiencies, the utility model aims at providing a kind of contact lens male, female mould synchronous corona device, improves corona treatment efficiency.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of contact lens male, female mould synchronous corona device, it include:

[0007] Base, vertical fixed setting has guide rod on upper end surface;

[0008] Upper sliding block, slidably installed on guide rod;

[0009] Lower sliding block, slidably installed on guide rod, and located below upper sliding block;

[0010] Upper electrode plate, fixed on upper sliding block;

[0011] Lower support plate, fixed on lower sliding block, parallel with upper electrode plate;

[0012] Carrier plate, fixed on lower sliding block, parallel spaced apart setting above lower support plate;Carrier plate is provided with a plurality of positioning holes;Positioning hole is provided with carrier in it, carrier is provided with male shell mould and female shell mould in it;

[0013] The electrode rod is fixedly installed on the upper electrode plate, and the front end is arranged towards the positioning hole;

[0014] The support rod is fixedly installed on the lower support plate, and the upper end is abutted on the lower end surface of the carrier;

[0015] The axes of the electrode rod, the positioning hole and the support rod are on a straight line.

[0016] Preferably, the upper sliding block and the lower sliding block are provided with adjusting screws.

[0017] Preferably, the electrode rod is provided with a plurality of electrode rods matched with the positioning hole.

[0018] Preferably, the support rod is provided with a plurality of support rods matched with the electrode rod.

[0019] Preferably, the carriers are a plurality of groups, carriers in the same group support the same group of male shell molds or female shell molds, the carriers are an even number, and the male shell molds or female shell molds arranged on the carriers are combined and paired with each other.

[0020] Preferably, a quick release mechanism is arranged between the carrier and the carrier plate.

[0021] A use method of a contact lens male mold and female mold synchronous corona device, comprising the following steps:

[0022] Fix the base on the workbench surface, and install the upper sliding block and the lower sliding block through the guide rod, so that the upper sliding block and the lower sliding block can slide.

[0023] Install the carrier in the positioning hole, and place the contact lens male shell mold and the female shell mold in the carrier.

[0024] According to the size of the male mold and the female mold, adjust the adjusting screws on the upper sliding block and the lower sliding block, so that the axes of the electrode rod and the positioning hole are aligned.

[0025] Make the electrode rod contact the male shell mold and the female shell mold in the carrier, start the corona device, and perform synchronous corona treatment on the male mold and the female mold.

[0026] Support the lower end surface of the carrier by the support rod, and ensure the alignment stability of the electrode rod and the male mold and the female mold.

[0027] After the corona treatment is completed, remove the carrier and the mold, and perform subsequent production and processing operations.

[0028] Preferably, in the corona treatment step, the electrode rod matched with the mold in the positioning hole is selected according to the size of the mold, so that the electrode rod can match the mold in the positioning hole.

[0029] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0030] This device synchronously adjusts the positions of the electrode rod and the positioning hole to ensure precise alignment between the electrode rod and the mold surface, thereby effectively improving the uniformity and stability of the corona treatment of the male and female molds and ensuring consistent adhesion and quality of the surface coating material.

[0031] Because the device can process male and female molds simultaneously and reduce the switching between equipment, it reduces equipment downtime and operation steps in production, thereby improving overall production efficiency.

[0032] The adjustable design of the electrode rod and positioning hole allows the device to flexibly adapt to different mold sizes, meet the needs of mold size changes during production, and avoid the problem that the fixed electrode head design cannot be compatible with diverse molds.

[0033] The improved device structure ensures precise matching of male and female molds, which helps to quickly analyze the matching of abnormal molds and improves the quality control capabilities during the production process. Attached Figure Description

[0034] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0035] Fig. 2 This is a schematic diagram of the carrier plate in this utility model;

[0036] Fig. 3 This is a schematic diagram of the electrode rod and support rod in this utility model.

[0037] in:

[0038] 1. Guide rod; 2. Upper slider; 3. Lower slider; 4. Base; 5. Support rod; 6. Lower support plate; 7. Carrier plate; 8. Electrode rod; 9. Upper electrode plate; 10. Positioning hole; 11. Male shell mold; 12. Female shell mold. Detailed Implementation

[0039] The present invention will be further described below with reference to the accompanying drawings.

[0040] like Figs. 1 to 3 As shown, a device for simultaneous corona discharge of male and female contact lens molds includes:

[0041] The base 4 has a guide rod 1 vertically fixed on its upper surface;

[0042] The upper slider 2 is slidably mounted on the guide rod 1;

[0043] The lower slider 3 is slidably mounted on the guide rod 1 and is located below the upper slider 2;

[0044] The upper electrode plate 9 is fixed on the upper slider 2;

[0045] A lower support plate 6 is fixed on the lower sliding block 3 and parallel to the upper electrode plate 9.

[0046] A carrier plate 7 is fixed on the lower sliding block 3 and arranged in parallel and spaced apart above the lower support plate 6; a plurality of positioning holes 10 are arranged on the carrier plate 7; a carrier is arranged in the positioning hole 10, and a male mold 11 and a female mold 12 are arranged in the carrier;

[0047] An electrode rod 8 is fixedly installed on the upper electrode plate 9, and the front end is arranged towards the positioning hole 10;

[0048] A support rod 5 is fixedly installed on the lower support plate 6, and the upper end abuts against the lower end surface of the carrier;

[0049] The axes of the electrode rod 8, the positioning hole 10 and the support rod 5 are on a straight line.

[0050] Further, the upper sliding block 2 and the lower sliding block 3 are provided with adjusting screws.

[0051] Further, the electrode rod 8 is provided with a plurality of electrode rods matched with the positioning hole 10.

[0052] Further, the support rod 5 is provided with a plurality of support rods matched with the electrode rod 8.

[0053] A method for using a contact lens male and female mold synchronous corona device, comprising the following steps:

[0054] Fix the base 4 on the workbench, and install the upper sliding block 2 and the lower sliding block 3 through the guide rod 1, so that they can slide;

[0055] Install the carrier in the positioning hole 10, and place the contact lens male mold 11 and the female mold 12 in the carrier;

[0056] According to the size of the male and female molds, adjust the adjusting screws on the upper sliding block 2 and the lower sliding block 3 to align the axes of the electrode rod 8 and the positioning hole 10;

[0057] Make the electrode rod 8 contact the male mold 11 and the female mold 12 in the carrier, start the corona device, and perform synchronous corona treatment on the male and female molds;

[0058] Use the support rod 5 to support the lower end surface of the carrier to ensure the stable alignment of the electrode rod 8 and the male and female molds;

[0059] After the corona treatment is completed, remove the carrier and the mold for subsequent production and processing operations.

[0060] Further, in the corona treatment step, select the electrode rod 8 matched with the size of the mold to ensure that the electrode rod 8 can match the mold in the positioning hole 10.

[0061] Corona treatment operation:

[0062] Example 1:

[0063] a. Start the corona device, the electrode rod 8 starts to contact the male and female mold 11 and 12 surfaces, the high voltage corona on the electrode rod 8 generates an electric field effect, prompting the modification of the coating material on the mold surface.

[0064] b. Control the working time of the corona device to ensure that the time of corona treatment is sufficient to make the mold surface obtain the required corona effect.

[0065] c. Monitor the contact pressure of the electrode rod 8 and the mold surface to ensure uniform contact and avoid inconsistent corona effect due to insufficient or excessive pressure.

[0066] d. Observe the display screen or instrument interface of the corona device to confirm the stability and efficiency of the corona process.

[0067] After completing the corona treatment, remove the carrier and mold for subsequent production operations.

[0068] Example 2:

[0069] a. Start the corona device, the electrode rod 8 contacts the male and female mold 11 and 12 in the carrier, the high voltage electric field generated by the corona activates the mold surface to form a modified film layer with strong adhesion.

[0070] b. According to the properties of the mold material and the electrode rod 8 material, control the corona voltage and working time to ensure that the male and female mold surfaces obtain uniform modification effect.

[0071] c. During the corona treatment process, observe the contact state of the electrode rod 8 and the mold surface to ensure that the electrode rod 8 is in close contact with the mold surface to prevent uneven corona.

[0072] d. Monitor the discharge state of the electrode rod 8 surface to ensure stable corona discharge to ensure the continuity of the treatment effect.

[0073] After completing the corona treatment, remove the carrier and mold for subsequent production operations.

[0074] Advantages Summary

[0075] Precise positioning and adjustment:

[0076] The precise alignment of the electrode rod 8 and the positioning hole 10 ensures the uniformity and stability of the corona treatment, avoiding local corona defects caused by improper electrode position, thereby improving the adhesion and quality of the coating material on the mold surface.

[0077] Adapt to diverse mold sizes:

[0078] By adjusting the adjusting screws on the upper and lower sliders 2 and 3, the position of the electrode rod 8 can be flexibly adjusted, allowing the device to adapt to different sizes of male and female molds, avoiding the problem of fixed electrode design not being compatible with diversified molds.

[0079] Improving production efficiency:

[0080] The design of synchronously processing male and female molds reduces the alternating use of equipment, shortens the production cycle, reduces the downtime of equipment, improves the production efficiency and the degree of automation of the production line.

[0081] Reducing the difficulty of analyzing abnormal molds:

[0082] The improved device structure allows the male and female molds to be accurately paired, ensuring quick analysis and problem troubleshooting of abnormal mold pairing, improving the quality control ability and production stability during the production process.

[0083] Optimizing operation and maintenance costs:

[0084] The adjustable electrode rod 8 and support design reduce the complexity of equipment maintenance, reduce the technical requirements of operators, simplify the equipment operation and maintenance process, and save labor and equipment maintenance costs.

[0085] Improving product quality consistency:

[0086] Accurate and stable corona treatment helps to improve the adhesion strength and uniformity of the coating material on the mold surface, thereby ensuring the quality consistency of the final product.

[0087] Expanding production needs:

[0088] This device is suitable for various specifications and sizes of contact lenses molds, not only can improve the efficiency of corona treatment, but also can meet the diversified production needs, improve the flexibility of the production line.

Claims

1. A simultaneous corona device for male and female molds of contact lenses, characterized in that, The utility model relates to a kind of electrode holder, including: Base (4), upper end surface vertical fixedly arranged with guide rod (1); Upper sliding block (2), slidably installed on guide rod (1); Lower sliding block (3), slidably installed on guide rod (1), and located below upper sliding block (2); Upper electrode plate (9), fixed on upper sliding block (2); Lower support plate (6), fixed on lower sliding block (3), parallel with upper electrode plate (9); Carrier plate (7), fixed on lower sliding block (3), is arranged in parallel spaced apart above lower support plate (6);Carrier plate (7) is provided with multiple positioning holes (10);The positioning hole (10) is provided with carrier, the male shell mould (11) is arranged in the carrier, the female shell mould (12); Electrode rod (8), fixedly installed on upper electrode plate (9), front end is towards positioning hole (10) arrangement; Supporting stick (5), fixedly installed on lower support plate (6), upper end is abutted on the lower end surface of carrier; The axis of electrode rod (8), positioning hole (10) and supporting stick (5) is on a straight line.

2. The contact lens male and female mold synchronization corona apparatus of claim 1, wherein, The upper sliding block (2), lower sliding block (3) is provided with adjusting screw.

3. The contact lens male and female mold synchronization corona apparatus of claim 1, wherein, The electrode rod (8) is configured with multiple, and is adapted with the positioning hole (10).

4. The contact lens male and female mold synchronization corona apparatus of claim 3, wherein, The supporting stick (5) is configured with multiple, and is adapted with the electrode rod (8).

5. The contact lens male-female mold synchronization corona apparatus of claim 1, wherein, The carrier is multiple a group, and the carrier of same group supports same group male shell mould (11) or female shell mould (12), the carrier is even number, and male shell mould (11) or female shell mould (12) is arranged on carrier, and is combined and paired mutually.

6. The contact lens male-female mold synchronization corona apparatus of claim 1, wherein, Quick release mechanism is arranged between the carrier and carrier plate (7).

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