阅读说明：本技术 隐形眼镜注液成型机及其注液成型方法 (Contact lens liquid injection forming machine and liquid injection forming method thereof ) 是由 周志宏 于 2020-05-28 设计创作，主要内容包括：隐形眼镜注液成型机及其注液成型方法属于隐形眼镜制备技术领域,包括支撑机构、设置在支撑机构上部的空气过滤系统、设置在支撑机构一侧的固化成型系统以及设置在支撑机构内部的凹模具供料系统、旋转控制系统、注液系统、凸模具压合系统和下料系统。由于隐形眼镜注液成型机需要各工序配合旋转控制系统进行统一加工,为提高工作效率,本发明对部分工序进行了改进,减少了加工耗时较多的部分工位的加工时间,从而对整体的加工效率进行了提升,注液成型的质量也得到了进一步的提高。(The liquid injection molding machine for the contact lenses and the liquid injection molding method thereof belong to the technical field of contact lens preparation, and comprise a supporting mechanism, an air filtering system arranged at the upper part of the supporting mechanism, a curing molding system arranged at one side of the supporting mechanism, a female mold feeding system, a rotation control system, a liquid injection system, a male mold pressing system and a discharging system which are arranged in the supporting mechanism. Because the contact lens liquid injection molding machine needs all processes to be matched with the rotation control system for unified processing, in order to improve the working efficiency, partial processes are improved, and the processing time of partial stations which consumes more time for processing is reduced, so that the overall processing efficiency is improved, and the liquid injection molding quality is further improved.)

1. The liquid injection molding machine for the contact lenses is characterized in that: comprises a supporting mechanism (1), an air filtering system (2) arranged at the upper part of the supporting mechanism, a curing and forming system (3) arranged at one side of the supporting mechanism (1), a female mould feeding system (4), a rotation control system (5), a liquid injection system (6), a male mould pressing system (7) and a blanking system (8) which are arranged in the supporting mechanism (1),

the air filtering system (2) is communicated with the inside of the supporting mechanism (1); the female die feeding system (4) is connected with the rotary control system (5); the liquid injection head of the liquid injection system (6) injects liquid into the female die on the rotary control system (5); the male die pressing system (7) is pressed with the female die on the rotary control system (5); and the blanking system (8) transmits the female die on the rotary control system (5) to the curing and forming system (3).

2. The contact lens injection molding machine of claim 1, wherein: the female die feeding system (4) comprises a feeding disc (401), a female die dust removal base (402), a grabbing dust removal device moving assembly (403), a female die grabbing dust removal device (404), a feeding disc clamping jaw (405), a feeding slide rail (406) and a feeding disc taking clamping jaw (407); the upper part of the feeding disc (401) bears the female die, and the lower part of the feeding disc (401) is connected with a feeding slide rail (406) in a sliding manner; the side part of the feeding slide rail (406) is sequentially provided with a feeding disc clamping jaw (405), a female die dust removal base (402) and a feeding disc taking clamping jaw (407) along the slide rail direction; the grabbing and dust removing device moving assembly (403) is fixedly connected with the female die grabbing and dust removing device (404), and the grabbing and dust removing device moving assembly (403) is fixedly installed on one side of the female die dust removing base (402).

3. The contact lens injection molding machine of claim 1, wherein: the rotary control system (5) comprises a rotary disc (501), a rotary disc power device (502) and a mould operation station (503); the die operation station (503) is arranged on the upper edge of the rotating disc (501), and the middle position of the lower part of the rotating disc (501) is rotationally connected with the rotating disc power device (502).

4. The contact lens injection molding machine of claim 1, wherein: the liquid injection system (6) comprises a liquid injection pipe fixing mechanism (601), a liquid injection head (602), a liquid injection pump set (603) and a liquid injection pipe moving mechanism (604); the upper part of the liquid injection pipe fixing mechanism (601) is fixedly arranged with a liquid injection pump set (603), and one side of the middle part of the liquid injection pipe fixing mechanism (601) is movably connected with a liquid injection pipe moving mechanism (604); the liquid injection head (602) is fixedly connected with the liquid injection pipe moving mechanism (604), and the liquid injection head (602) is connected with the liquid injection pipe of the liquid injection pump group (603).

5. The contact lens injection molding machine of claim 1, wherein: the male die pressing system (7) comprises a male die separating device (701), a male die conveying guide rail (702), a jacking air cylinder (703), a male die conveying pressing device (704) and a male die feeding vibration disc (705); a male die feeding port of the male die feeding vibration disc (705) is fixedly connected with a male die conveying guide rail (702); a male die separating device (701) is arranged at the upper part of the male die conveying guide rail (702); the male die conveying and pressing device (704) is positioned above the male die separating device (701); the jacking cylinder (703) is arranged below the male die conveying guide rail (702), and the blowing head of the jacking cylinder (703) corresponds to the separation groove of the male die separation device (701) and the pressing head of the male die conveying pressing device (704) in a one-to-one mode and has the same distance.

6. The contact lens injection molding machine of claim 1, wherein: the blanking system (8) comprises a blanking clamping jaw front-and-back moving device (801), a blanking clamping jaw left-and-right moving device (802), a blanking clamping jaw cylinder (803) and a blanking picking clamping jaw (804); the blanking clamping jaw front-and-back moving device (801) comprises a fixing piece I positioned at the upper part and a moving piece I positioned at the lower part, the upper part of the fixing piece I is fixedly connected with the supporting mechanism (1), and the lower part of the fixing piece I is in sliding connection with the moving piece I through a slideway; the blanking clamping jaw left-right moving device (802) comprises a fixed piece II positioned at the upper part and a moving piece II positioned at the lower part, the upper part of the fixed piece II is fixedly connected with the lower part of the moving piece I, and the lower part of the fixed piece II is in sliding connection with the moving piece II through a slide way; the upper part of the blanking clamping jaw cylinder (803) is fixedly connected with the lower part of the moving piece II, and the lower part of the blanking clamping jaw cylinder (803) is fixedly connected with the blanking picking clamping jaw (804).

7. The contact lens injection molding machine of claim 1, wherein: the curing and forming system (3) comprises a conveyor belt (302), an oven (301) and a receiving device (303), one end of the conveyor belt (302) is connected with a blanking picking clamping jaw (804), the other end of the conveyor belt (302) is connected with the receiving device (303), and the middle of the conveyor belt (302) penetrates through the lower portion of the oven (301).

8. The method for injection molding a contact lens injection molding machine according to claim 1, wherein: comprises the following steps which are sequentially carried out,

step one, feeding the female die

After filling the female die with the feeding disc (401), putting the feeding disc on a feeding disc clamping jaw (405), conveying the feeding disc (401) to a station where a female die grabbing and dust removing device (404) is located by a feeding slide rail (406), carrying out dust removal on the female die to be processed by the female die grabbing and dust removing device (404), grabbing and conveying the dust-removed female die to a die operation station (503) on a rotary control system (5), rotating the rotary control system (5) to convey the dust-removed female die to the position below a liquid injection head (602) of a liquid injection system (6) for injection,

after all the female dies on the feeding disc (401) are conveyed, the empty feeding disc (401) is conveyed to a feeding disc material taking clamping jaw (407) by a feeding slide rail (406) to be collected in a centralized way;

step two, injecting liquid into the female die

The female die is conveyed to the lower part of a liquid injection head (602) of a liquid injection system (6), liquid injection processing is carried out on the female die through a liquid injection pump set (603), and the female die after liquid injection is rotated to a male die pressing system (7) by a rotation control system (5);

step three, pressing the male die and the female die

The male dies enter a male die conveying guide rail (702) after being arranged through a male die feeding vibration disc (705), the male die conveying guide rail (702) blows air through an air blowing pipe arranged in the male die feeding vibration disc (705), the male dies are moved to a specified position, meanwhile, a limiting mechanism on the male die conveying guide rail (702) is lowered to prevent the male dies from being separated from the male die conveying guide rail (702) in the air blowing process, a male die separating device (701) separates the male dies into equal intervals matched with a male die conveying pressing device (704), the male die conveying pressing device (704) removes dust, conveys and presses, and a jacking cylinder (703) below a rotary control system (5) jacks up when the male die conveying pressing device (704) presses, so that the balance of the rotary control system (5) is guaranteed;

step four, blanking transfer

The rotary control system (5) rotates the die combination processed by the male die pressing system (7) to a station of the blanking system (8), the blanking pickup clamping jaw (804) clamps the processed die combination, and the clamping die combination is moved to a conveying belt of the curing and forming system (3) through the blanking clamping jaw front-and-back moving device (801) and the blanking clamping jaw left-and-right moving device (802) and is subjected to curing and forming operation;

step five, curing and forming

The mould combination gets into and through oven box stoving shaping via the conveyer belt of solidification molding system (3), and rethread conveyer belt gets into collection device and collects in unison.

9. The injection molding method for a contact lens injection molding machine according to claim 8, wherein: during the steps one to four, air purification is continuously performed by the air filtration system (2).

10. The injection molding method for a contact lens injection molding machine according to claim 8, wherein: the curing and forming system (3) is a drying system, and the drying system comprises a conveyor belt, an oven and a receiving device; in the fourth step, the die assembly obtained in the third step is discharged and transferred onto a conveyor belt of a curing and forming system (3) through a discharging system (8); in the fifth step, a conveyor belt of the curing and molding system (3) conveys the received mold assembly into the oven for heating and curing, and the cured and molded mold assembly is collected by the receiving device; wherein the conveyor belt carries the mold assembly to pass from the head of the oven to the tail of the oven;

the female die feeding system (4) comprises a female die conveying device and a female die gripping device which are connected, wherein the female die conveying device comprises a feeding disc (401), a female die dust removing base (402), a feeding disc clamping jaw (405), a feeding slide rail (406) and a feeding disc taking clamping jaw (407), the feeding slide rail (406) is fixedly arranged on the supporting mechanism (1), and the female die gripping device comprises a gripping dust removing device moving assembly (403) and a female die gripping dust removing device (404);

the liquid injection system (6) comprises a liquid injection pipe fixing mechanism (601), a liquid injection head (602), a liquid injection pump set (603) and a liquid injection pipe moving mechanism (604), wherein the liquid injection head (602) is connected with the liquid injection pump set (603), the liquid injection head (602) is fixed through the liquid injection pipe fixing mechanism (601), and the liquid injection pipe moving mechanism (604) is connected with the liquid injection pipe fixing mechanism (601) and drives the liquid injection head (602) to move up and down;

the male die pressing system (7) comprises a male die separating device (701), a male die conveying guide rail (702), a jacking air cylinder (703), a male die conveying pressing device (704) and a male die feeding vibration disc (705), wherein the male die conveying guide rail (702) is arranged at an outlet of the male die feeding vibration disc (705), the male die conveying guide rail (702) is sleeved on a male die conveying belt supporting structure, the male die conveying belt supporting structure is connected with a supporting mechanism (1), the male die separating device (701) is connected with the male die conveying belt supporting structure, and the male die conveying pressing device (704) is connected with the supporting mechanism (1);

the rotary control system (5) comprises a rotary disc (501), a rotary disc power device (502) and a mould operation station (503), wherein an operation plate is arranged on the rotary disc (501), and the mould operation station (503) is arranged on the operation plate;

the blanking system (8) comprises a blanking clamping jaw front-and-back moving device (801), a blanking clamping jaw left-and-right moving device (802), a blanking clamping jaw air cylinder (803) and a blanking picking clamping jaw (804), wherein the blanking clamping jaw left-and-right moving device (802) is fixed at the lower part of the blanking clamping jaw front-and-back moving device (801), the blanking clamping jaw front-and-back moving device (801) and the blanking clamping jaw left-and-right moving device (802) are linked to realize front-and-back and left-and-right moving of the blanking picking clamping jaw (804), and the blanking clamping jaw air cylinder (803.

Technical Field

The invention belongs to the technical field of contact lens preparation, and particularly relates to a contact lens liquid injection forming machine and a liquid injection forming method thereof.

Background

Today, with the popularization of electronic products and the change of modern work entertainment modes, people increasingly demand work entertainment equipment such as computers and mobile phones, the equipment also has different degrees of influence on the eyesight of people, and the eyesight problem becomes a problem to be faced by most people. With the occurrence of vision problems, the number of people wearing the contact lenses is gradually increased, the contact lenses are more concealed compared with the traditional contact lenses, the influence on the external image is avoided, and the contact lenses are gradually accepted and favored by more and more people.

In the prior liquid injection molding machine for contact lenses, each procedure has unreasonable design, which causes unstable conditions in the equipment processing process, and the overall processing speed is influenced because the processing speed of part of procedures is slower than that of other procedures.

Therefore, there is a need in the art for a new solution to solve this problem.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the contact lens liquid injection molding machine and the liquid injection molding method thereof are provided for solving the technical problems that unreasonable design exists in the contact lens liquid injection molding machine in the prior art, and unstable conditions exist in the equipment processing process.

The contact lens liquid injection molding machine comprises a supporting mechanism, an air filtering system arranged at the upper part of the supporting mechanism, a curing molding system arranged at one side of the supporting mechanism, a female mold feeding system, a rotation control system, a liquid injection system, a male mold pressing system and a discharging system which are arranged in the supporting mechanism,

the air filtering system is communicated with the inside of the supporting mechanism; the female die feeding system is connected with the rotary control system; the liquid injection head of the liquid injection system injects liquid into the concave mould on the rotary control system; the male die pressing system is pressed with the female die on the rotary control system; and the blanking system transmits the female die on the rotary control system to the curing and forming system.

The female die feeding system comprises a feeding disc, a female die dust removal base, a grabbing dust removal device moving assembly, a female die grabbing dust removal device, a feeding disc clamping jaw, a feeding slide rail and a feeding disc material taking clamping jaw; the upper part of the feeding disc bears the concave die, and the lower part of the feeding disc is connected with the feeding slide rail in a sliding manner; the side part of the feeding slide rail is sequentially provided with a feeding disc clamping jaw, a female die dust removal base and a feeding disc material taking clamping jaw along the slide rail direction; the grabbing and dust removing device moving assembly is fixedly connected with the female die grabbing and dust removing device, and the grabbing and dust removing device moving assembly is fixedly installed on one side of the female die dust removing base.

The rotary control system comprises a rotary disc, a rotary disc power device and a mould operation station; and the middle position of the lower part of the rotating disc is rotationally connected with a rotating disc power device.

The liquid injection system comprises a liquid injection pipe fixing mechanism, a liquid injection head, a liquid injection pump set and a liquid injection pipe moving mechanism; the upper part of the liquid injection pipe fixing mechanism is fixedly installed with the liquid injection pump set, and one side of the middle part of the liquid injection pipe fixing mechanism is movably connected with the liquid injection pipe moving mechanism; the liquid injection head is fixedly connected with the liquid injection pipe moving mechanism, and the liquid injection head is connected with the liquid injection pipe of the liquid injection pump set.

The male die pressing system comprises a male die separating device, a male die conveying guide rail, a jacking air cylinder, a male die conveying pressing device and a male die feeding vibration disc; a male die feeding port of the male die feeding vibration disc is fixedly connected with a male die conveying guide rail; the upper part of the male die conveying guide rail is provided with a male die separating device; the male die conveying and pressing device is positioned above the male die separating device; the jacking cylinder is arranged below the male die conveying guide rail, and the blowing head of the jacking cylinder corresponds to the separation groove of the male die separation device and the press head of the male die conveying press-fit device in a one-to-one mode and the distances between the blowing head and the press head are the same.

The blanking system comprises a blanking clamping jaw front-and-back moving device, a blanking clamping jaw left-and-right moving device, a blanking clamping jaw air cylinder and a blanking pickup clamping jaw; the blanking clamping jaw front-and-back moving device comprises a fixing piece I positioned at the upper part and a moving piece I positioned at the lower part, the upper part of the fixing piece I is fixedly connected with the supporting mechanism, and the lower part of the fixing piece I is in sliding connection with the moving piece I through a slideway; the blanking clamping jaw left-right moving device comprises a fixed piece II positioned at the upper part and a moving piece II positioned at the lower part, the upper part of the fixed piece II is fixedly connected with the lower part of the moving piece I, and the lower part of the fixed piece II is connected with the moving piece II in a sliding manner through a slide way; the upper part of the blanking clamping jaw cylinder is fixedly connected with the lower part of the moving piece II, and the lower part of the blanking clamping jaw cylinder is fixedly connected with the blanking pickup clamping jaw.

The curing and forming system comprises a conveyor belt, an oven and a receiving device, one end of the conveyor belt is connected with the blanking pickup clamping jaw, the other end of the conveyor belt is connected with the receiving device, and the middle of the conveyor belt penetrates through the lower portion of the oven.

The liquid injection molding method of the contact lens liquid injection molding machine comprises the following steps which are sequentially carried out,

step one, feeding the female die

The feeding disc is placed on the feeding disc clamping jaw after being filled with the female die, the feeding disc is conveyed to a station where a female die grabbing and dust removing device is located by a feeding slide rail, the female die grabbing and dust removing device removes dust of the female die to be processed and grabs and conveys the female die subjected to dust removal to a die operation station on a rotary control system, the rotary control system rotates to convey the female die subjected to dust removal processing to the lower part of a liquid injection head of a liquid injection system for injection,

after the female dies on the feeding disc are completely conveyed, the empty feeding disc is conveyed to the feeding disc to take out the material clamping jaws by the feeding slide rail for centralized collection;

step two, injecting liquid into the female die

The female die is conveyed to the position below a liquid injection head of a liquid injection system, liquid injection processing is carried out on the female die through a liquid injection pump group, and the female die after liquid injection is rotated to the male die pressing system through the rotation control system;

step three, pressing the male die and the female die

The male die is arranged through a male die feeding vibration disc and then enters a male die conveying guide rail, the male die conveying guide rail blows air through an air blowing pipe arranged on the male die feeding vibration disc, the male die is moved to a designated position, meanwhile, a limiting mechanism on the male die conveying guide rail is lowered to prevent the male die from being separated from the male die conveying guide rail in the air blowing process, the male die is separated into equal intervals matched with the male die conveying pressing device through a male die separating device, the male die conveying pressing device carries out dust removal, conveying and pressing, and a jacking cylinder under a rotary control system jacks up when the male die conveying pressing device presses, so that the balance of the rotary control system is ensured;

step four, blanking transfer

The rotary control system rotates the die combination processed by the male die pressing system to a station of the blanking system, the blanking pickup clamping jaw clamps the processed die combination, and the clamping die combination is moved to a conveyor belt of the curing and forming system through the blanking clamping jaw front-and-back moving device and the blanking clamping jaw left-and-right moving device and is subjected to curing and forming operation;

step five, curing and forming

The mould combination gets into and through oven box stoving shaping via the conveyer belt of solidification molding system, and rethread conveyer belt gets into collection device and collects in unison.

And in the process of performing the first step to the fourth step, continuously performing air purification through an air filtering system.

The curing and forming system is a drying system, and the drying system comprises a conveyor belt, an oven and a receiving device; in the fourth step, the die assembly obtained in the third step is discharged and transferred to a conveyor belt of a curing and forming system through a discharging system; in the fifth step, a conveyor belt of the curing and molding system conveys the received mold assembly into the oven for heating and curing, and the cured and molded mold assembly is collected by the receiving device; wherein the conveyor belt carries the mold assembly to pass from the head of the oven to the tail of the oven;

the female die feeding system comprises a female die conveying device and a female die gripping device which are connected, wherein the female die conveying device comprises a feeding disc, a female die dust removing base, a feeding disc clamping jaw, a feeding slide rail and a feeding disc material taking clamping jaw;

the liquid injection system comprises a liquid injection pipe fixing mechanism, a liquid injection head, a liquid injection pump set and a liquid injection pipe moving mechanism, wherein the liquid injection head is connected with the liquid injection pump set and is fixed by the liquid injection pipe fixing mechanism;

the male die pressing system comprises a male die separating device, a male die conveying guide rail, a jacking air cylinder, a male die conveying pressing device and a male die feeding vibration disc, wherein the male die conveying guide rail is arranged at an outlet of the male die feeding vibration disc, the male die conveying guide rail is sleeved on a male die conveying belt supporting structure, the male die conveying belt supporting structure is connected with a supporting mechanism, the male die separating device is connected with the male die conveying belt supporting structure, and the male die conveying pressing device is connected with the supporting mechanism;

the rotary control system comprises a rotary disc, a rotary disc power device and a mould operation station, wherein an operation plate is arranged on the rotary disc, and the mould operation station is arranged on the operation plate;

the blanking system comprises a blanking clamping jaw front-and-back moving device, a blanking clamping jaw left-and-right moving device, a blanking clamping jaw air cylinder and a blanking picking clamping jaw, wherein the blanking clamping jaw left-and-right moving device is fixed at the lower part of the blanking clamping jaw front-and-back moving device, the blanking clamping jaw front-and-back moving device and the blanking clamping jaw left-and-right moving device are linked to realize front-back and left-and-right movement of a blanking picking clamping jaw, and the blanking.

Through the design scheme, the invention can bring the following beneficial effects:

because the contact lens liquid injection molding machine needs all processes to be matched with the rotation control system for unified processing, in order to improve the working efficiency, partial processes are improved, and the processing time of partial stations which consumes more time for processing is reduced, so that the overall processing efficiency is improved, and the liquid injection molding quality is further improved.

In the invention, in order to improve the overall efficiency and quality, a vibration disc is not used for feeding the female die, but a mechanical structure consisting of a feeding disc, a feeding slide rail and a female die grabbing and dust removing device is adopted as a brand-new female die feeding system, the feeding disc is conveyed to a station matched with the female die grabbing and dust removing device, the female die grabbing and dust removing device removes dust of a die to be processed, the female die after dust removal is conveyed to a rotary control system and enters a liquid injection system, the step of die separation is omitted, and the operation time of the process is further saved.

Different from the prior art, when the male die and the female die are pressed, in order to simplify the process, improve the production efficiency and reduce the operation time, the process of turning the die as die carrying is cancelled, and the dust removal and the pressing are uniformly carried out by the die conveying and pressing device, so that the aims of improving the production efficiency and reducing the operation time are fulfilled.

Drawings

The invention is further described with reference to the following figures and detailed description:

FIG. 1 is a schematic structural view of a contact lens injection molding machine according to the present invention;

FIG. 2 is a schematic view of the internal structure of the supporting mechanism of the contact lens injection molding machine according to the present invention;

FIG. 3 is a schematic view of a part of the structure of a female mold feeding system of the contact lens injection molding machine of the present invention;

FIG. 4 is a schematic diagram of a portion of the injection system of the injection molding machine for contact lenses of the present invention;

FIG. 5 is a schematic view of a portion of a male mold pressing system of the contact lens injection molding machine of the present invention;

FIG. 6 is a schematic view of a part of the structure of the blanking system of the contact lens injection molding machine of the present invention;

FIG. 7 is a schematic diagram of a portion of the rotational control system of the contact lens injection molding machine of the present invention;

fig. 8 is a schematic view of a part of the solidification molding system of the contact lens injection molding machine according to the present invention.

In the figure, 1-supporting mechanism, 2-air filtering system, 3-curing molding system, 301-oven, 302-conveyor belt, 303-receiving device, 4-female die feeding system, 401-feeding disc, 402-female die dedusting base, 403-grabbing dedusting device moving assembly, 404-female die grabbing dedusting device, 405-feeding disc clamping jaw, 406-feeding slide rail, 407-feeding disc taking clamping jaw, 5-rotation control system, 501-rotating disc, 502-rotating disc power device, 503-die operation station, 6-liquid injection system, 601-liquid injection pipe fixing mechanism, 602-liquid injection head, 603-liquid injection pump set, 604-liquid injection pipe moving mechanism, 7-male die pressing system, 701-male die separating device, and the like, 702-a male die conveying guide rail, 703-a jacking cylinder, 704-a male die conveying and pressing device, 705-a male die feeding vibration disc, 8-a blanking system, 801-a blanking clamping jaw front-and-back moving device, 802-a blanking clamping jaw left-and-right moving device, 803-a blanking clamping jaw cylinder and 804-a blanking picking clamping jaw.

Detailed Description

The invention is further described with reference to the following figures and examples, but the scope of protection of the invention is not limited to the examples in any way and is not limited thereto. In other instances, well-known elements, circuits, and methods of use have not been described in detail in order to not unnecessarily obscure the present invention.

As shown in the figure, the contact lens liquid injection molding machine comprises a supporting mechanism 1, an air filtering system 2 arranged at the upper part of the supporting mechanism, a curing molding system 3 arranged at one side of the supporting mechanism 1, a female mold feeding system 4 arranged in the supporting mechanism 1, a rotation control system 5, a liquid injection system 6, a male mold pressing system 7 and a blanking system 8,

the air filtering system 2 is communicated with the inside of the supporting mechanism 1; the female die feeding system 4 is connected with the rotary control system 5; the liquid injection head of the liquid injection system 6 injects liquid into the female die on the rotary control system 5; the male die pressing system 7 is pressed with the female die on the rotary control system 5; the blanking system 8 transmits the female die on the rotary control system 5 to the curing and forming system 3.

The female die feeding system 4 comprises a feeding disc 401, a female die dedusting base 402, a grabbing and dedusting device moving assembly 403, a female die grabbing and dedusting device 404, a feeding disc clamping jaw 405, a feeding slide rail 406 and a feeding disc taking clamping jaw 407; the upper part of the feeding disc 401 bears the female die, and the lower part of the feeding disc 401 is connected with a feeding slide rail 406 in a sliding manner; the side part of the feeding slide rail 406 is sequentially provided with a feeding disc clamping jaw 405, a female die dust removal base 402 and a feeding disc taking clamping jaw 407 along the slide rail direction; the grabbing and dust removing device moving assembly 403 is fixedly connected with the female die grabbing and dust removing device 404, and the grabbing and dust removing device moving assembly 403 is fixedly installed on one side of the female die dust removing base 402.

The rotary control system 5 comprises a rotary disc 501, a rotary disc power device 502 and a mould operating station 503; the upper edge of the rotating disc 501 is provided with a mould operating station 503, and the middle position of the lower part of the rotating disc 501 is rotationally connected with a rotating disc power device 502.

The liquid injection system 6 comprises a liquid injection pipe fixing mechanism 601, a liquid injection head 602, a liquid injection pump group 603 and a liquid injection pipe moving mechanism 604; the upper part of the liquid injection pipe fixing mechanism 601 is fixedly installed with a liquid injection pump group 603, and one side of the middle part of the liquid injection pipe fixing mechanism 601 is movably connected with a liquid injection pipe moving mechanism 604; the liquid injection head 602 is fixedly connected with the liquid injection pipe moving mechanism 604, and the liquid injection head 602 is connected with the liquid injection pipe of the liquid injection pump set 603.

The male die pressing system 7 comprises a male die separating device 701, a male die conveying guide rail 702, a jacking air cylinder 703, a male die conveying pressing device 704 and a male die feeding vibration disc 705; a male die feeding port of the male die feeding vibration disc 705 is fixedly connected with a male die conveying guide rail 702; a male die separation device 701 is arranged at the upper part of the male die conveying guide rail 702; the male die conveying and pressing device 704 is positioned above the male die separating device 701; the jacking cylinder 703 is arranged below the male die conveying guide rail 702, and the blowing head of the jacking cylinder 703 corresponds to the separation groove of the male die separating device 701 and the press head of the male die conveying press-fit device 704 in a one-to-one mode and has the same distance.

The blanking system 8 comprises a blanking clamping jaw front-and-back moving device 801, a blanking clamping jaw left-and-right moving device 802, a blanking clamping jaw air cylinder 803 and a blanking picking clamping jaw 804; the blanking clamping jaw front-and-back moving device 801 comprises a fixing piece I positioned at the upper part and a moving piece I positioned at the lower part, wherein the upper part of the fixing piece I is fixedly connected with the supporting mechanism 1, and the lower part of the fixing piece I is connected with the moving piece I in a sliding manner through a slide way; the blanking clamping jaw left-right moving device 802 comprises a fixed piece II positioned at the upper part and a moving piece II positioned at the lower part, the upper part of the fixed piece II is fixedly connected with the lower part of the moving piece I, and the lower part of the fixed piece II is connected with the moving piece II in a sliding manner through a slide way; the upper part of the blanking clamping jaw cylinder 803 is fixedly connected with the lower part of the moving member II, and the lower part of the blanking clamping jaw cylinder 803 is fixedly connected with the blanking picking clamping jaw 804.

The curing and molding system 3 comprises a conveyor belt 302, an oven 301 and a receiving device 303, wherein one end of the conveyor belt 302 is connected with a blanking picking clamping jaw 804, the other end of the conveyor belt 302 is connected with the receiving device 303, and the middle part of the conveyor belt 302 penetrates through the lower part of the oven 301.

The liquid injection molding method of the contact lens liquid injection molding machine utilizes the contact lens liquid injection molding machine, and comprises the following steps: comprises the following steps which are sequentially carried out,

step one, feeding the female die

The feeding disc 401 is placed on a feeding disc clamping jaw 405 after filling the female die, the feeding disc 401 is conveyed to a station where a female die grabbing and dust removing device 404 is located by a feeding slide rail 406, the female die grabbing and dust removing device 404 removes dust of the female die to be processed and grabs and conveys the dust-removed female die to a die operation station 503 on a rotary control system 5, the rotary control system 5 rotates to convey the dust-removed female die to the position below a liquid injection head 602 of a liquid injection system 6 for liquid injection,

after the female molds on the feeding tray 401 are completely conveyed, the empty feeding tray 401 is conveyed to the feeding tray material taking clamping jaws 407 by the feeding slide rails 406 to be collected in a centralized manner;

step two, injecting liquid into the female die

The female die is conveyed to the position below a liquid injection head 602 of a liquid injection system 6, liquid injection processing is carried out on the female die through a liquid injection pump group 603, and the female die after liquid injection is rotated to a male die pressing system 7 through a rotation control system 5 after the liquid injection processing is finished;

step three, pressing the male die and the female die

After the rotary control system 5 conveys the female die subjected to liquid injection processing by the liquid injection system 6 to the male die pressing system, the male die enters the male die conveying guide rail 702 after being arranged by the male die feeding vibration disc 705, the male die conveying guide rail 702 blows air through an air blowing pipe arranged in the male die feeding vibration disc 705 to move the male die to a specified position, meanwhile, a limiting mechanism on the male die conveying guide rail 702 is lowered to prevent the male die from being separated from the male die conveying guide rail 702 in the air blowing process, the male die is separated into equal intervals matched with the male die conveying pressing device 704 by the male die separating device 701, after the male die is separated by the male die separating device 701, the male die conveying pressing device 704 is used for dust removal, conveying and pressing, the pressing cylinder 703 under the rotary control system 5 is pressed and lifted at the same time of pressing by matching with the male die conveying pressing device 704, to ensure the balance of the rotating control system 5;

step four, blanking transfer

The rotary control system 5 rotates the die combination processed by the male die pressing system 7 to a station of the blanking system 8, the blanking pickup clamping jaw 804 clamps the processed die combination, and the blanking pickup clamping jaw 804 clamping the die combination is moved to a conveying belt of the curing and molding system 3 through the blanking clamping jaw forward-backward moving device 801 and the blanking clamping jaw left-right moving device 802 to perform curing and molding operation;

step five, curing and forming

Unloading system 8 presss from both sides the mould combination clamp and gets and transport back on the conveyer belt of solidification system 3, and the mould combination gets into and passes through the oven box via solidification system 3's conveyer belt, through oven box mould combination drying and shaping, and rethread conveyer belt gets into collection device and unifies and collect.

During the execution of the steps one to four, air purification is continuously performed by the air filtration system 2.

The curing and forming system 3 is a drying system, and the drying system comprises a conveyor belt 302, an oven 301 and a receiving device 303; in the fourth step, the mold assembly obtained in the third step is discharged and transferred to the conveyor belt 302 of the curing and molding system 3 through the discharging system 8; in the fifth step, the conveyor belt 302 of the curing and molding system 3 conveys the received mold assembly into the oven 301 for heating and curing, and the cured and molded mold assembly is collected by the receiving device 303; wherein the conveyor belt carries the mold assembly to pass from the head of the oven 301 to the tail of the oven 301;

the female die feeding system 4 comprises a female die conveying device and a female die gripping device which are connected, wherein the female die conveying device comprises a feeding disc 401, a female die dedusting base 402, a feeding disc clamping jaw 405, a feeding slide rail 406 and a feeding disc taking clamping jaw 407, the feeding slide rail 406 is fixedly arranged on the supporting mechanism 1, and the female die gripping device comprises a gripping dedusting device moving assembly 403 and a female die gripping dedusting device 404;

the liquid injection system 6 comprises a liquid injection pipe fixing mechanism 601, a liquid injection head 602, a liquid injection pump set 603 and a liquid injection pipe moving mechanism 604, wherein the liquid injection head 602 is connected with the liquid injection pump set 603, the liquid injection head 602 is fixed by the liquid injection pipe fixing mechanism 601, and the liquid injection pipe moving mechanism 604 is connected with the liquid injection pipe fixing mechanism 601 to drive the liquid injection head 602 to move up and down;

the male die pressing system 7 comprises a male die separating device 701, a male die conveying guide rail 702, a jacking air cylinder 703, a male die conveying pressing device 704 and a male die feeding vibration disc 705, wherein the male die conveying guide rail 702 is arranged at an outlet of the male die feeding vibration disc 705, the male die conveying guide rail 702 is sleeved on a male die conveying belt supporting structure, the male die conveying belt supporting structure is connected with the supporting mechanism 1, the male die separating device 701 is connected with the male die conveying belt supporting structure, and the male die conveying pressing device 704 is connected with the supporting mechanism 1;

the rotary control system 5 comprises a rotary disc 501, a rotary disc power device 502 and a mould operation station 503, wherein an operation plate is arranged on the rotary disc 501, and the mould operation station 503 is arranged on the operation plate;

the blanking system 8 comprises a blanking clamping jaw front-and-back moving device 801, a blanking clamping jaw left-and-right moving device 802, a blanking clamping jaw air cylinder 803 and a blanking picking clamping jaw 804, wherein the blanking clamping jaw left-and-right moving device 802 is fixed at the lower part of the blanking clamping jaw front-and-back moving device 801, the blanking clamping jaw front-and-back moving device 801 and the blanking clamping jaw left-and-right moving device 802 are linked to realize front-and-back and left-and-right movement of the blanking picking clamping jaw 804, and the blanking. In the invention, in order to improve the overall efficiency and quality, a mechanical structure consisting of a feeding disc 401, a feeding slide rail 406 and a female die grabbing and dust removing device 404 is adopted as a brand-new female die feeding system 4 instead of using a vibrating disc for feeding female dies, the feeding disc 401, the feeding slide rail 406 and the female die grabbing and dust removing device 404 are mutually matched, the feeding disc 401 carries dies, the feeding slide rail 406 is connected with the feeding disc 401, the feeding disc 401 is conveyed to a station matched with the female die grabbing and dust removing device 404, the feeding disc 401 is conveyed to a feeding disc taking and clamping jaw 407 for taking up the feeding disc after feeding is finished, the female die grabbing and dust removing device 404 removes dust of the dies to be processed after the feeding disc 401 enters the matched station, the dust-removed female dies are conveyed to a rotary control system 5 and enter a liquid injection system 6, the step of separating the die is omitted, and the working time of the working procedure is further saved.

In the invention, in the process of pressing the male mold and the female mold, the male mold pressing system 7 is composed of a male mold separating device 701, a male mold conveying guide rail 702, a jacking cylinder 703, a male mold conveying pressing device 704 and a male mold feeding vibration disc 705, the male mold feeding vibration disc 705 and the male mold conveying guide rail 702 are composed of a male mold conveying device, and the male mold conveying guide rail 702 is connected with the male mold separating device 701 and the male mold conveying pressing device 704. The male dies enter the male die conveying guide rail 702 after being arranged through the male die feeding vibration discs 705, the male die conveying guide rail 702 blows air through an air blowing pipe, the male dies are moved to an appointed position, meanwhile, a limiting mechanism on the male die conveying guide rail 702 is lowered, the male dies are placed in the air blowing process, due to the fact that the air blowing pipe blows air, the male dies are separated from the male die conveying guide rail 702 and moved to the appointed position, the male die separating device 701 separates the male dies into equal intervals matched with the male die conveying pressing device 704, after the male dies are separated through the male die separating device 701, the male die conveying pressing device 704 carries out dust removal, conveying and pressing, and a jacking air cylinder 703 under the rotary control system 5 can be jacked while being matched with the pressing of the male die conveying pressing device 704, so that the balance of the rotary control system 5 is guaranteed. Different from the prior art, when the male die and the female die are pressed, in order to simplify the process, improve the production efficiency and reduce the operation time, the process of turning the die as die carrying is cancelled, and the dust removal and the pressing are uniformly carried out by the die conveying and pressing device, so that the aims of improving the production efficiency and reducing the operation time are fulfilled.