Contact lens mold rotating and transferring mechanism

Abstract

The utility model discloses a contact lens mold rotating and transferring mechanism which comprises a base, four mounting blocks are arranged on the upper surface of the base, a plurality of mold grooves are formed in the upper surfaces of the mounting blocks, mold bodies are arranged in the mold grooves, rotating cylinders are arranged on the two sides of the four mounting blocks, pressing plates are fixedly arranged on the outer surfaces of the rotating cylinders, and the pressing plates are arranged on the upper surface of the base. Fixing blocks are fixed to the positions, located at the two ends of the rotary drum, of the upper surface of the base. According to the mold, the mounting block, the mold groove, the rotating cylinders and the pressing plate are arranged, the two rotating cylinders rotate relatively to drive the pressing plate to rotate towards the mounting block, and the mold body can be pushed to move downwards so that the mold body can be completely inserted into the mold groove to be matched with the mold groove; the pressing plate extrudes the die body to fix the position of the die body, and the die body is not affected by centrifugal force generated by rotation of the rotating plate.

Description

Technical Field

[0001] The utility model relates to the technical field of contact lens processing, in particular to a contact lens mold rotation transfer mechanism. Background Art

[0002] Contact lenses, also called contact lenses or contact glasses, are lenses worn on the cornea of ​​the eyeball to correct vision or protect the eyes. According to the hardness of the material, they include hard, semi-hard, and soft. Contact lenses not only bring great improvements in appearance and convenience to patients with refractive errors such as myopia, hyperopia, and astigmatism.

[0003] In the production process of contact lenses, the mold is usually placed on the mold slot, and the mold is moved by the mold transfer mechanism to participate in the production process of the contact lenses. For example, Chinese patent publication number CN215100465U discloses a contact lens mold rotation transfer mechanism, which fixes the mold by the mold slot and the hook tongue, so that the mold moves with the rotation of the turntable. However, when the mold is inserted into the mold slot with the hook tongue, it is often necessary to manually adjust the placement of the mold, and the rotation of the turntable generates centrifugal force, which makes the mold easily thrown out through the slot opening, affecting the production quality. Utility Model Content

[0004] The utility model aims to provide a contact lens mold rotation transfer mechanism to solve the problem that mold installation in the prior art mostly requires manual adjustment and placement of the mold, and the rotation of the turntable generates centrifugal force, which makes the mold easily thrown out through the slot opening, affecting the production quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a contact lens mold rotation transfer mechanism, comprising a base, four mounting blocks are provided on the upper surface of the base, a plurality of mold grooves are opened on the upper surface of the mounting blocks, a mold body is provided inside the mold groove, rotating cylinders are provided on both sides of the four mounting blocks, a pressure plate is fixed on the outer surface of the rotating cylinder, and fixed shafts are fixed at both ends of the rotating cylinder, fixed blocks are fixed on the upper surface of the base at both ends of the rotating cylinder, the outer surface of the fixed shaft is rotatably connected to the fixed block, and a second drive assembly is provided on the side of the fixed block away from the rotating cylinder, and the second drive assembly is used to drive the two rotating cylinders to rotate relative to each other.

[0006] Preferably, the second driving assembly includes a driving gear and a driven gear respectively fixedly sleeved on the outer surfaces of the two fixed shafts, a motor is fixedly provided on the upper surface of the base at a position on one side of the driving gear, and the power output end of the motor is fixedly connected to one end of the fixed shaft.

[0007] Preferably, the outer surface of the mold body fits with the inner wall of the mold groove.

[0008] Preferably, the base comprises a rotating plate fixedly connected to the mounting block, and a bracket is fixedly connected to a side of the rotating plate away from the mounting block.

[0009] Preferably, the bracket is provided with a first driving assembly, and the first driving assembly can drive the rotating plate to rotate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model is provided with a mounting block, a mold groove, a rotating drum and a pressing plate. The two rotating drums rotate relative to each other to drive the pressing plate to rotate toward the mounting block, which can push the mold body downward so that the mold body is completely inserted into the mold groove to achieve a fit. When the rotating plate rotates to drive the mold body to rotate and transfer, the pressing plate squeezes the mold body to fix the position of the mold body and will not be affected by the centrifugal force generated by the rotation of the rotating plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a front view of the utility model;

[0014] Figure 2 It is a top view of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the installation block of the utility model.

[0016] In the figure: 100, base; 110, rotating plate; 120, bracket; 130, first driving assembly; 210, mounting block; 220, mold slot; 300, mold; 410, fixing block; 420, rotating drum; 430, fixing shaft; 440, pressing plate; 500, second driving assembly; 510, driving gear; 520, driven gear; 530, motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-2In an embodiment of the utility model, a contact lens mold rotation transfer mechanism includes a base 100, four mounting blocks 210 are provided on the upper surface of the base 100, a plurality of mold grooves 220 are opened on the upper surface of the mounting blocks 210, a mold body 300 is provided inside the mold groove 220, and the mold groove 220 is used to place the mold body 300. The arrangement of the four mounting blocks 210 enables the mold body 300 located in the mold groove 220 to rotate with the mounting blocks 210 and enter different processing steps in sequence.

[0019] See also Figure 1-3 , a rotating cylinder 420 is provided on both sides of the four mounting blocks 210, a pressing plate 440 is fixed on the outer surface of the rotating cylinder 420, and a fixed shaft 430 is fixed at both ends of the rotating cylinder 420, and a fixed block 410 is fixed at the position at both ends of the rotating cylinder 420 on the upper surface of the base 100, and the outer surface of the fixed shaft 430 is rotatably connected with the fixed block 410. The relative rotation of the two rotating cylinders 420 drives the pressing plate 440 to rotate toward the mounting block 210, which can push the mold body 300 to move downward so that the mold body 300 is completely inserted into the mold groove 220 to achieve fit. At the same time, the first driving assembly 130 drives the rotating plate 110 to rotate, that is, drives the mold body 300 in the mold groove 220 to rotate and transfer. At this time, the pressing plate 440 squeezes the mold body 300 so that the position of the mold body 300 is fixed during the rotation transfer, and will not be affected by the centrifugal force generated by the rotation of the rotating plate 110.

[0020] See also Figure 1-3 A second driving assembly 500 is provided on the side of the fixed block 410 away from the rotating drum 420. The second driving assembly 500 is used to drive the two rotating drums 420 to rotate relative to each other. The second driving assembly 500 includes a driving gear 510 and a driven gear 520 respectively fixedly sleeved on the outer surfaces of the two fixed shafts 430. A motor 530 is fixedly provided on the upper surface of the base 100 at a position on one side of the driving gear 510. The power output end of the motor 530 is fixedly connected to one end of the fixed shaft 430. The starting motor 530 drives one of the fixed shafts 430 to rotate, and then the driving gear 510 rotates and generates a meshing force with the driven gear 520 to drive the driven gear 520 to rotate in the opposite direction, thereby realizing the relative rotation of the two rotating drums 420.

[0021] See also Figure 3 The outer surface of the mold body 300 fits with the inner wall of the mold groove 220 , and the fitting arrangement enables the mold body 300 to stably exist in the mold groove 220 .

[0022] See also Figure 1 The base 100 includes a rotating plate 110 fixedly connected to the mounting block 210. The rotating plate 110 rotates to drive the mold body 300 on its surface to rotate. A bracket 120 is fixedly connected to the side of the rotating plate 110 away from the mounting block 210. The bracket 120 is used to support the rotating plate 110.

[0023] See also Figure 1 In order to realize the rotation of the rotating plate 110 , a first driving assembly 130 is provided on the bracket 120 . The first driving assembly 130 drives the rotating plate 110 to rotate, that is, drives the mold body 300 in the mold groove 220 to rotate and transfer.

[0024] The working principle and use process of the utility model are as follows: when in use, the mold body 300 is placed in batches in the mold groove 220 by a machine, but the simple placement action cannot make the mold body 300 completely inserted into the mold groove 220, and the lower surface of the mold body 300 cannot fit with the bottom of the mold groove 220 to achieve a fit, and the motor 530 is started to drive one of the fixed shafts 430 to rotate, and then the driving gear 510 rotates and generates a meshing force with the driven gear 520 to drive the driven gear 520 to rotate in the opposite direction, so that the two rotating drums 42 0's relative rotation, the two rotating cylinders 420 rotate relative to each other and drive the pressing plate 440 to rotate toward the mounting block 210, which can push the mold body 300 downward so that the mold body 300 is completely inserted into the mold slot 220 to achieve fit. At the same time, the first driving assembly 130 drives the rotating plate 110 to rotate, that is, drives the mold body 300 in the mold slot 220 to rotate and transfer. At this time, the pressing plate 440 squeezes the mold body 300 so that the mold body 300 is fixed in position during the rotation transfer and will not be affected by the centrifugal force generated by the rotation of the rotating plate 110.

[0025] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A contact lens mold rotation transfer mechanism, comprising a base (100), characterized in that: Four mounting blocks (210) are provided on the upper surface of the base (100), a plurality of mold grooves (220) are opened on the upper surface of the mounting blocks (210), a mold body (300) is provided inside the mold grooves (220), rotating cylinders (420) are provided on both sides of the four mounting blocks (210), a pressing plate (440) is fixed on the outer surface of the rotating cylinder (420), and fixed shafts (430) are fixed at both ends of the rotating cylinder (420), fixed blocks (410) are fixed at positions on the upper surface of the base (100) at both ends of the rotating cylinder (420), the outer surface of the fixed shaft (430) is rotatably connected to the fixed block (410), and a second driving assembly (500) is provided on the side of the fixed block (410) away from the rotating cylinder (420), and the second driving assembly (500) is used to drive the two rotating cylinders (420) to rotate relative to each other.

2. A contact lens mold rotation transfer mechanism according to claim 1, characterized in that: The second driving assembly (500) comprises a driving gear (510) and a driven gear (520) which are respectively fixedly sleeved on the outer surfaces of the two fixed shafts (430); a motor (530) is fixedly arranged on the upper surface of the base (100) at a position on one side of the driving gear (510); and a power output end of the motor (530) is fixedly connected to one end of the fixed shaft (430).

3. A contact lens mold rotation transfer mechanism according to claim 1, characterized in that: The outer surface of the mold body (300) fits with the inner wall of the mold groove (220).

4. A contact lens mold rotation transfer mechanism according to claim 1, characterized in that: The base (100) comprises a rotating plate (110) fixedly connected to the mounting block (210), and a bracket (120) is fixedly connected to a side of the rotating plate (110) away from the mounting block (210).

5. A contact lens mold rotation transfer mechanism according to claim 4, characterized in that: The bracket (120) is provided with a first driving assembly (130), and the first driving assembly (130) is capable of driving the rotating plate (110) to rotate.

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