Contact lens mold carrier rotating device

By designing a rotating device for contact lens mold carriers and adopting dual unidirectional conveyor lines and connecting components, the problems of large equipment footprint and high cost in mold production were solved, enabling rapid rotation and circulation of mold carriers and improving production efficiency.

CN223687453UActive Publication Date: 2025-12-19SIGMA SQUARES (BEIJING) TECH CO LTD
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Patent Information

Application Number
CN202520048046.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-19
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

The current contact lens mold production process requires large equipment space, extensive warehousing, and high production costs, and the mold turnover process is time-consuming and labor-intensive.

Method used

Design a rotating device for contact lens mold carrier, which adopts a material conveying unit and an empty conveying unit, and is equipped with first and second connecting components to realize the rapid rotation and flow of the mold carrier. By closing the link of the dual unidirectional conveying lines, unnecessary flow steps are reduced.

Benefits of technology

It enables rapid rotation and circulation of mold carriers, reducing equipment footprint and production costs, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223687453U_ABST
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Abstract

The utility model relates to the technical field of contact lens automatic production, in particular to a contact lens mold carrier rotating device which comprises a material carrying conveying unit, a no-load conveying unit, a first connection assembly and a second connection assembly. The material carrying and conveying unit drives the mold carrier carrying the mold to move, and when the mold carrier moves to the second connection assembly, the second connection assembly carries the no-load mold carrier at the discharging end of the material carrying and conveying unit to the feeding end of the no-load conveying unit. The first connection assembly carries the no-load mold carrier at the discharging end of the no-load conveying unit to the feeding end of the material carrying conveying unit, the no-load mold carrier waits for loading in the first connection assembly, and the mold carrier enters the material carrying conveying unit again to achieve rotary conveying. According to the utility model, the rapid ferrying and switching of the mold carrier between the two conveying lines are realized, the link closing of the double conveying lines is completed, the rapid rotation and circulation of the mold assembly are realized, the redundant mold circulation and carrying steps are reduced, and the overall production and processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens automation production technical field, specifically is a contact lens mold carrier rotation device. BACKGROUND

[0002] In the production and processing of contact lens mold, the upper mold and the lower mold of the contact lens are respectively made by injection molding machine.

[0003] In the prior art, the upper mold and the lower mold of the contact lens are placed separately, and the upper mold and the lower mold injected are placed in the tray for circulation, the overall equipment occupies a large space, a large number of trays need to be circulated, a large storage space is required, which increases the production cost of the manufacturer; during the process of mold closing and sorting and placing, the carrier also needs to be circulated and transferred, the conventional carrier circulation needs to occupy a large planar space, and needs to be matched with a circulation personnel or other trolley, and the overall time process and cost consumption are also large. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a contact lens mold carrier rotation device which saves space, circulates, and can hover at a designated point as needed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A contact lens mold carrier rotation device, the carrier transmission unit includes a carrier conveying unit for conveying the mold carrier in one direction and an empty conveying unit, and a first connection assembly and a second connection assembly for connecting the mold carrier;

[0007] The carrier conveying unit drives the mold carrier with the mold to move, when the mold carrier moves to the second connection assembly, the second connection assembly carries the mold carrier without load at the discharge end of the carrier conveying unit to the inlet end of the empty conveying unit, the first connection assembly carries the mold carrier without load at the discharge end of the empty conveying unit to the inlet end of the carrier conveying unit, the empty mold carrier waits for loading in the first connection assembly, after loading is completed, the mold carrier enters the carrier conveying unit again and waits for mold loading, realizing rotation conveying.

[0008] Further, the first connection assembly includes a first feeding mechanism, a second discharging mechanism and a first material conveying mechanism, the second connection assembly includes a second feeding mechanism, a first discharging mechanism and a second material conveying mechanism, the first feeding mechanism and the second feeding mechanism are arranged at the inlet end of the carrier conveying unit and the empty conveying unit, the first discharging mechanism and the second discharging mechanism are arranged at the discharge end of the carrier conveying unit and the empty conveying unit, and the first material conveying mechanism and the second material conveying mechanism are used to move the mold carrier.

[0009] The first and second feeding mechanisms send the mold carriers into the loaded carrier conveying unit and the unloaded carrier conveying unit from the first and second carrier conveying mechanisms; the first and second discharging mechanisms send the mold carriers into the first and second carrier conveying mechanisms from the loaded carrier conveying unit and the unloaded carrier conveying unit.

[0010] Further, the first feeding mechanism comprises a first feeding push plate, a first feeding rack plate and a first feeding drive;

[0011] The first feeding rack plate is installed on one side of the loaded carrier conveying unit, the first feeding drive is installed on the first feeding rack plate, and the first feeding drive drives the first feeding push plate to push the mold carrier into the loaded carrier conveying unit from the first carrier conveying mechanism.

[0012] Further, the second discharging mechanism comprises a second discharging push plate, a second discharging drive, a second discharging blocking block, a second blocking drive and a second discharging rack plate;

[0013] The second discharging rack plate is installed on one side of the unloaded carrier conveying unit, the second discharging drive and the second blocking drive are both installed on the second discharging rack plate; the second discharging drive drives the second discharging push plate to push the unloaded mold carrier into the first carrier conveying mechanism; the second blocking drive drives the second discharging blocking block to block the mold carrier to be conveyed.

[0014] Further, the first carrier conveying mechanism comprises a carrier supporting plate for supporting the mold carrier and a carrier conveying mechanism for driving the carrier supporting plate to move; the carrier supporting plate is sleeved on the moving rack body in the form of a sliding sleeve; the execution end of the carrier conveying mechanism penetrates through the moving rack body to connect the carrier supporting plate; during the conveying process, the carrier conveying mechanism drives the carrier supporting plate to move, thereby driving the mold carrier to move from the outlet end of the unloaded carrier conveying unit to the inlet end of the loaded carrier conveying unit.

[0015] Further, the loaded carrier conveying unit is further provided with a plurality of carrier positioning mechanisms; the carrier positioning mechanism comprises a positioning assembly for blocking the mold carrier, a jacking assembly for jacking the blocked mold carrier, and a blocking assembly for blocking the mold carrier that has not been jacked;

[0016] The mold carrier loaded with the mold is transmitted to the processing station, the mold carrier to be processed is positioned and blocked by the jacking assembly, and the mold carrier to be processed is jacked by the jacking assembly, waiting for processing; the mold carrier in the loaded carrier conveying unit that has not been jacked is blocked by the blocking assembly;

[0017] Further, the positioning assembly and the jacking assembly are hoisted on the loaded carrier conveying unit in the form of a first mounting plate; the blocking assembly is hoisted on the loaded carrier conveying unit in the form of a second mounting plate.

[0018] Further, the positioning assembly comprises a positioning baffle and a positioning drive for driving the positioning baffle to lift; the jacking assembly comprises a jacking frame plate and a jacking drive for driving the jacking frame plate to lift; the blocking assembly comprises a blocking vertical plate and a blocking drive for driving the blocking vertical plate to lift; the positioning drive and the jacking drive are installed on the first mounting plate, and the blocking drive is installed on the second mounting plate.

[0019] Further, the load conveying unit is stacked above the empty conveying unit, and the load conveying unit is arranged in the reverse direction of the conveying direction of the empty conveying unit.

[0020] Compared with the prior art, the utility model has the advantages of the following:

[0021] In actual use, the load conveying unit and the empty conveying unit are one-way mold conveying lines, and in the process of rotating the mold carrier alone, the mold carrier carrying the mold enters the load conveying unit from the first connecting assembly; the mold of the mold carrier is empty when conveyed to the discharge end of the load conveying unit, enters the second connecting assembly, and is moved to the feeding end of the empty conveying unit by the second connecting assembly; the empty mold carrier is transported to the discharge end of the empty conveying unit, enters the first connecting assembly, and is carried to the feeding end of the load conveying unit by the first connecting assembly, waits for loading, and after loading is completed, the mold carrier enters the load conveying unit again and waits for mold loading, realizing rotary conveying; preferably, a plurality of mold carriers are rotated on the load conveying unit and the empty conveying unit and undergo the above-mentioned rotary process.

[0022] The utility model has the advantages of simple overall structure, linear layout of the two one-way conveying lines, realization of quick transfer switching of the mold carrier between the two conveying lines through the first connecting assembly and the second connecting assembly, completion of link closure of the double conveying lines, realization of quick rotary circulation of the mold carrier, reduction of redundant mold circulation and carrying steps, and improvement of overall production and processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is the overall schematic view of the utility model;

[0024] Fig. 2 It is the structure schematic view of the second blanking mechanism of the utility model;

[0025] Fig. 3 It is the structure schematic view of the carrier positioning mechanism of the utility model. DETAILED DESCRIPTION

[0026] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment.

[0027] Reference Figs. 1-3 As shown in the figure, a contact lens mold carrier rotation device, the carrier conveying unit 400 includes a one-way conveying mold carrier 200 and an empty conveying unit 420, and a first docking assembly and a second docking assembly for docking the mold carrier 200;

[0028] The carrier conveying unit 410 drives the mold-loaded mold carrier 200 to move, and when the mold carrier 200 moves to the second docking assembly, the second docking assembly carries the unloaded mold carrier 200 at the discharge end of the carrier conveying unit 410 to the inlet end of the empty conveying unit 420, and the first docking assembly carries the unloaded mold carrier 200 at the discharge end of the empty conveying unit 420 to the inlet end of the carrier conveying unit 410, and the unloaded mold carrier 200 waits for loading in the first docking assembly, and after loading is completed, the mold carrier enters the carrier conveying unit 410 again and waits for mold loading, realizing rotation conveying.

[0029] In actual use, the carrier conveying unit 410 and the empty conveying unit 420 are one-way mold conveying lines, and in the rotation process of the separate mold carrier 200, the mold-loaded mold carrier 200 enters the carrier conveying unit 410 from the first docking assembly; the mold of the mold carrier 200 is unloaded when conveyed to the discharge end of the carrier conveying unit 410, enters the second docking assembly, and is moved by the second docking assembly to the inlet end of the empty conveying unit 420, the unloaded mold carrier 200 is transported to the discharge end of the empty conveying unit 420, enters the first docking assembly, the first docking assembly carries the unloaded mold carrier 200 at the discharge end of the empty conveying unit 420 to the inlet end of the carrier conveying unit 410, waits for loading, and after loading is completed, the mold carrier enters the carrier conveying unit 410 again and waits for mold loading, realizing rotation conveying;

[0030] Preferably, a plurality of mold carriers 200 are circulated on the carrier conveying unit 410 and the empty conveying unit 420, and undergo the above-mentioned rotation process;

[0031] The contact lens mold carrier rotation device has a compact overall structure, a linear layout of double one-way conveying lines, realizes rapid ferry switching of the mold carrier between the two conveying lines by being equipped with the first docking assembly and the second docking assembly, completes link closure of the double conveying lines, realizes rapid rotation circulation of the mold carrier, reduces redundant mold circulation and carrying steps, and improves overall production and processing efficiency.

[0032] In the embodiment, the first connection assembly comprises a first feeding mechanism 430, a second discharging mechanism 470 and a first material conveying mechanism 500; the second connection assembly comprises a second feeding mechanism 450, a first discharging mechanism 460 and a second material conveying mechanism 800;

[0033] The first feeding mechanism 430 and the second feeding mechanism 450 are arranged at the feeding end of the material conveying unit 410 and the empty conveying unit 420; the first discharging mechanism 460 and the second discharging mechanism 470 are arranged at the discharging end of the material conveying unit 410 and the empty conveying unit 420; the first material conveying mechanism 500 and the second material conveying mechanism 800 are used to move the mold carrier 200;

[0034] By equipping the first feeding mechanism 430 and the second feeding mechanism 450, and the corresponding first discharging mechanism 460 and the second discharging mechanism 470, a rapid feeding and discharging line of the mold carrier 200 is realized, and the redundant mold circulation and carrying steps are reduced.

[0035] The material conveying unit 410 drives the mold carrier 200 carrying the mold to move, when the mold carrier 200 moves to the second material conveying mechanism 800, the mold on the mold carrier 200 is classified, the mold carrier 200 is sent into the second material conveying mechanism 800 by the first discharging mechanism 460; the empty mold carrier 200 at the discharging end of the material conveying unit 410 is carried to the feeding end of the empty conveying unit 420 by the second material conveying mechanism 800, the mold carrier 200 is sent into the empty conveying unit 420 by the second feeding assembly 450 for conveying; the mold carrier 200 moves to the discharging end of the empty conveying unit 420, the mold carrier 200 is sent into the first material conveying mechanism 500 by the second discharging assembly 470, and the empty mold carrier 200 is carried to the feeding end of the material conveying unit 410 by the first material conveying mechanism 500.

[0036] In the embodiment, the first feeding mechanism 430 comprises a first feeding push plate 431, a first feeding rack plate 433 and a first feeding drive 432.

[0037] The first feeding rack plate 433 is installed on one side of the material conveying unit 410, the first feeding drive 432 is installed on the first feeding rack plate 433, and the first feeding drive 432 drives the first feeding push plate 431 to push the mold carrier 200 into the material conveying unit 410 from the first material conveying mechanism 500.

[0038] Preferably, the first feeding drive 432 is a pneumatic cylinder, which drives the first feeding push plate 431 to push the mold carrier 200.

[0039] In this embodiment, the second feeding mechanism 450 is a separately installed air cylinder, and the execution end of the air cylinder is connected to a push rod; the second feeding mechanism 450 drives the push rod of the execution end to send the empty mold carrier 200 from the second material conveying assembly 800 into the empty conveying unit 420.

[0040] In this embodiment, the first feeding mechanism 460 and the second feeding mechanism 470 have the same structural features, and the difference is only that the installation positions are different. The first feeding mechanism 460 operates and implements objects located at the empty mold carrier at the outlet end of the load conveying unit 410.

[0041] In this embodiment, the second feeding mechanism 470 includes a second feeding push plate 471, a second feeding drive 472, a second feeding blocking block 475, a second blocking drive 474, and a second feeding rack plate 473. The second feeding rack plate 473 is installed on one side of the empty conveying unit 420. The second feeding drive 472 and the second blocking drive 474 are both installed on the second feeding rack plate 473. The second feeding drive 472 drives the second feeding push plate 471 to push the empty mold carrier 200 into the first material conveying assembly 500. The second blocking drive 474 drives the second feeding blocking block 475 to block the mold carrier 200 to be conveyed.

[0042] When the mold carrier 200 is about to enter the first material conveying assembly 500 from the outlet end of the empty conveying unit 420, the second blocking drive 474 drives the second feeding blocking block 475 to lift and block other mold carriers 200 ready to flow out of the empty conveying unit 420, so as to avoid interference and collision of other mold carriers 200 with the mold carrier 200 to be conveyed. The second feeding drive 472 drives the second feeding push plate 471 to push the mold carrier 200 to be conveyed into the first material conveying assembly 500.

[0043] In this embodiment, the first material conveying mechanism 500 can be a mechanical hand or a lifting structure that meets the material conveying function. Preferably, the first material conveying mechanism 500 includes a carrier support plate 510 for carrying the mold carrier 200 and a material conveying drive 530 for driving the carrier support plate 510 to move. The carrier support plate 510 is sleeved on the material conveying rack body 550 by a sliding sleeve 540. The execution end of the material conveying drive 530 penetrates through the material conveying rack body 550 and is connected to the carrier support plate 510. During the material conveying process, the material conveying drive 530 drives the carrier support plate 510 to move, and then drives the mold carrier 200 to move, so as to move the mold carrier from the outlet end of the empty conveying unit 420 to the inlet end of the load conveying unit 410. The carrier support plate 510 is also provided with a carrier roller 520.

[0044] The material conveying driving 530 is a cylinder, which can change the height of the carrier pallet 510, and ensure that the height of the carrier pallet 510 is consistent with the height of the material conveying unit 410 and the empty conveying unit 420; the carrier roller 520 is provided, and the mold carrier 200 can slide into or out of the carrier pallet 510 through the carrier roller, so as to realize rapid feeding and discharging.

[0045] In the embodiment, the structure of the second material conveying mechanism 500 is consistent with that of the first material conveying mechanism 500, and the difference is only that the installation positions are different.

[0046] In the embodiment, the carrier conveying unit 400 further comprises a carrier positioning mechanism 440, which comprises a positioning assembly 441 for blocking the mold carrier 200, a jacking assembly 442 for jacking the blocked mold carrier 200, and a blocking assembly 443 for blocking the mold carrier 200 that is not jacked; the mold carrier 200 loaded with the mold is conveyed to the tray arranging position, the jacking assembly 442 is used to position and block the mold carrier 200 to be processed, the jacking assembly 442 is used to jack the mold carrier 200 to be processed, and the tray arranging mechanical arm 600 is used to arrange the tray; the blocking assembly 443 is used to block the mold carrier 200 in the material conveying unit 410 that is not jacked.

[0047] The carrier positioning mechanism 440 is used to position and jack the mold carrier 200 at a specified position of the material conveying unit 410, so as to facilitate the tray arranging mechanical arm 600 to arrange the tray, and the mold carrier 200 is jacked, which can avoid the vibration and other problems caused by the material conveying unit 410 when only the blocking action is performed; the positioning assembly 441 is used to block and position the mold carrier 200 that needs to be jacked, and the jacking assembly 442 is used to lift the mold carrier 200, so as to facilitate the subsequent equipment to operate.

[0048] In the embodiment, the positioning assembly 441 and the jacking assembly 442 are hoisted on the material conveying unit 410 by the first mounting plate 444; the blocking assembly 443 is hoisted on the material conveying unit 410 by the second mounting plate 445; the positioning assembly 441 comprises a positioning baffle 4411 and a positioning driving 4412 for driving the positioning baffle 4411 to ascend and descend; the jacking assembly 442 comprises a jacking frame plate 4421 and a jacking driving 4422 for driving the jacking frame plate 4421 to ascend and descend; the blocking assembly 443 comprises a blocking vertical plate 4432 and a blocking driving 4431 for driving the blocking vertical plate 4432 to ascend and descend; the positioning driving 4412 and the jacking driving 4422 are mounted on the first mounting plate 444, and the blocking driving 4431 is mounted on the second mounting plate 445.

[0049] The positioning baffle 4411 is pushed up by the positioning drive 4412 to block and position the mold carrier 200 which needs to be jacked up, and after being blocked, the jacking frame plate 4421 is pushed by the jacking drive 4422 to lift up the mold carrier 200, so that the mold carrier 200 is stable and convenient for subsequent equipment operation; wherein the blocking drive 4431 pushes the blocking vertical plate 4432 to block the mold carrier 200 which is not jacked up in the material loading and conveying unit 410, so as to avoid the influence of the mold carrier 200 which is being operated.

[0050] In the embodiment, the material loading and conveying unit 410 is stacked above the empty loading and conveying unit 420, and the conveying directions of the material loading and conveying unit 410 and the empty loading and conveying unit 420 are reversely arranged.

[0051] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the range defined by the spirit of the present application.

Claims

1. A contact lens mold carrier rotation device, characterized by, The mold carrying conveying unit (410) and the empty carrying conveying unit (420) include a one-way conveying mold carrier (200), and a first and a second connecting assembly for connecting the mold carrier (200); The mold carrying conveying unit (410) moves the mold carrier (200) loaded with the mold, when the mold carrier (200) moves to the second connecting assembly, the second connecting assembly carries the mold carrier (200) unloaded at the outfeed end of the mold carrying conveying unit (410) to the infeed end of the empty carrying conveying unit (420), the first connecting assembly carries the mold carrier (200) unloaded at the outfeed end of the empty carrying conveying unit (420) to the infeed end of the mold carrying conveying unit (410), the unloaded mold carrier (200) waits for loading in the first connecting assembly, and after the loading is completed, the mold carrier (200) enters the mold carrying conveying unit (410) again to realize the rotary conveying.

2. A contact lens mold carrier rotation device according to claim 1, wherein The first connecting assembly includes a first feeding mechanism (430), a second unloading mechanism (470) and a first material conveying mechanism (500), and the second connecting assembly includes a second feeding mechanism (450), a first unloading mechanism (460) and a second material conveying mechanism (800).

3. A contact lens mold carrier turn around apparatus as in claim 2, wherein, The first feeding mechanism (430) and the second feeding mechanism (450) are arranged at the infeed end of the mold carrying conveying unit (410) and the empty carrying conveying unit (420), the first unloading mechanism (460) and the second unloading mechanism (470) are arranged at the outfeed end of the mold carrying conveying unit (410) and the empty carrying conveying unit (420), and the first material conveying mechanism (500) and the second material conveying mechanism (800) are used for moving the mold carrier (200).

4. A contact lens mold carrier turn around apparatus as in claim 2, wherein, The first feeding mechanism (430) includes a first feeding push plate (431), a first feeding rack plate (433) and a first feeding drive (432). The first feeding rack plate (433) is mounted on one side of the mold carrying conveying unit (410), the first feeding drive (432) is mounted on the first feeding rack plate (433), and the first feeding drive (432) drives the first feeding push plate (431) to push the mold carrier (200) into the mold carrying conveying unit (410) from the first material conveying mechanism (500).

5. A contact lens mold carrier turn around apparatus as in claim 2, wherein, The second unloading mechanism (470) includes a second unloading push plate (471), a second unloading drive (472), a second unloading blocking block (475), a second blocking drive (474) and a second unloading rack plate (473). The second unloading rack plate (473) is mounted on one side of the empty carrying conveying unit (420), the second unloading drive (472) and the second blocking drive (474) are both mounted on the second unloading rack plate (473), the second unloading drive (472) drives the second unloading push plate (471) to push the unloaded mold carrier (200) into the first material conveying mechanism (500), and the second blocking drive (474) drives the second unloading blocking block (475) to block the mold carrier (200) to be carried.

6. A contact lens mold carrier turn around apparatus as in claim 2, wherein, The first material conveying mechanism (500) comprises a carrier pallet (510) for carrying the mold carrier (200), and a material conveying mechanism (530) for driving the carrier pallet (510) to move; the carrier pallet (510) is sleeved on a moving frame body (550) by a sliding sleeve (540); the execution end of the material conveying mechanism (530) is connected to the carrier pallet (510) through the moving frame body (550); during the carrying process, the material conveying mechanism (530) drives the carrier pallet (510) to move, and drives the mold carrier (200) to move from the outlet end of the empty carrier conveying unit (420) to the inlet end of the material carrier conveying unit (410).

7. A contact lens mold carrier turn around apparatus as in claim 1, wherein, The material carrier conveying unit (410) is further provided with a plurality of carrier positioning mechanisms (440), and the carrier positioning mechanism (440) comprises a positioning assembly (441) for blocking the mold carrier (200), a jacking assembly (442) for jacking the blocked mold carrier (200), and a blocking assembly (443) for blocking the mold carrier (200) that is not jacked. The mold carrier (200) carrying the mold is transmitted to the processing station, the mold carrier (200) to be processed is positioned and blocked by the jacking assembly (442), and the mold carrier (200) to be processed is jacked by the jacking assembly (442) to wait for processing; the mold carrier (200) that is not jacked in the material carrier conveying unit (410) is blocked by the blocking assembly (443).

8. A contact lens mold carrier turn around apparatus as in claim 7, wherein, The positioning assembly (441) and the jacking assembly (442) are hoisted on the material carrier conveying unit (410) by a first mounting plate (444); the blocking assembly (443) is hoisted on the material carrier conveying unit (410) by a second mounting plate (445).

9. A contact lens mold carrier turn around apparatus as in claim 7, wherein, The positioning assembly (441) comprises a positioning baffle (4411) and a positioning drive (4412) for driving the positioning baffle (4411) to lift; the jacking assembly (442) comprises a jacking frame plate (4421) and a jacking drive (4422) for driving the jacking frame plate (4421) to lift; the blocking assembly (443) comprises a blocking vertical plate (4432) and a blocking drive (4431) for driving the blocking vertical plate (4432) to lift; the positioning drive (4412) and the jacking drive (4422) are mounted on the first mounting plate (444), and the blocking drive (4431) is mounted on the second mounting plate (445).

10. The contact lens mold carrier turn around apparatus of claim 1, wherein, The material carrier conveying unit (410) is stacked above the empty carrier conveying unit (420), and the material carrier conveying unit (410) is arranged in the opposite direction of the transmission direction of the empty carrier conveying unit (420).