Contact lens mold pairing and closing device

Abstract

The utility model relates to the technical field of contact lens automatic production, in particular to a contact lens mold pairing and closing device which comprises an upper mold guide mechanism, a lower mold guide mechanism and a mold closing mechanism, the upper die material guide mechanism receives materials from the multiple upper dies and moves the materials to the feeding position of the upper dies, and the lower die material guide mechanism receives materials from the multiple lower dies and moves the materials to the feeding position of the lower dies; the mold closing mechanism moves the lower mold from the feeding position of the lower mold into the mold carrier, then the mold closing mechanism moves the upper mold from the feeding position of the upper mold to the mold carrier, and the upper mold is placed in the lower mold with the same degree or model as the upper mold, so that pairing mold closing of the multiple upper molds and the lower mold is achieved; according to the utility model, feeding of the upper die and the lower die which are integrated is realized, and die turnover paths are reduced; and the upper die and the lower die are quickly matched and closed by arranging the die closing mechanism, further turnover conveying is reduced, quick die closing and matching are completed, the time cost, the economic cost and the labor cost brought by long-distance turnover are integrally saved, and the overall production and machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact lens automation production technical field, specifically to a contact lens mold pairing die closing 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 injection molding machine are placed respectively, and the upper mold and the lower mold injected are put into the tray for circulation, the overall equipment occupies large space, the trays for circulation are needed, the storage space is also needed, which increases the production cost of the manufacturer. UTILITY MODEL CONTENT

[0004] The utility model discloses a high integration, whole volume is small, can realize the mold pairing die closing device of quick die closing.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A contact lens mold pairing die closing device, including upper die material guiding mechanism, lower die material guiding mechanism and die closing mechanism.

[0007] The upper die material guiding mechanism connects and moves a plurality of upper molds to the feeding position of the upper mold, and the lower die material guiding mechanism connects and moves a plurality of lower molds to the feeding position of the lower mold;The lower mold is moved to the mold carrier by the die closing mechanism from the feeding position of the lower mold, and then the upper mold is moved to the mold carrier by the die closing mechanism from the feeding position of the upper mold, and the upper mold is placed in the lower mold with the same power or model, to realize the pairing die closing of a plurality of upper molds and lower molds.

[0008] Further, the upper die material guiding mechanism, the lower die material guiding mechanism and the die closing mechanism are all installed on the die closing support;The die closing support includes a front frame, a rear frame and a die closing cross frame erected on the top of the front frame and the rear frame;The upper die material guiding mechanism is installed on the front frame, the lower die material guiding mechanism is installed on the rear frame, and the die closing mechanism is installed on the die closing cross frame.

[0009] Further, the upper die material guiding mechanism includes an upper mold connecting assembly for receiving the upper mold and an upper mold moving assembly for moving the upper mold to the feeding position.

[0010] After the upper mold connecting assembly connects the upper mold, the upper mold moving assembly moves the upper mold from the upper mold connecting assembly to the feeding position of the upper mold.

[0011] Further, the upper mold connecting assembly includes an upper mold receiving tool, an upper mold turnover drive for driving the upper mold receiving tool to overturn and an upper mold lifting drive installed on the front frame for pushing the upper mold turnover drive to descend.

[0012] The upper die turnover drive rotates the orientation of the upper die receiving tool to the upper die material, after the upper die receiving tool receives the material and fixes the upper die, the upper die turnover drive rotates the orientation of the upper die receiving tool to the upper die moving assembly, the upper die lifting drive drives the upper die turnover drive to descend, and the upper die receiving tool places the upper die in the upper die material receiving assembly;

[0013] Further, the upper die moving assembly comprises an upper die jig for placing the upper die and an upper die linear drive for driving the movement of the upper die jig;

[0014] When the upper die material receiving assembly receives the upper die material, the upper die linear drive drives the upper die jig to the upper die receiving tool of the upper die material receiving assembly to wait for the loading of the upper die, and after the upper die material receiving assembly loads the upper die, the upper die linear drive drives the upper die jig to the upper die material;

[0015] Further, the lower die material guiding mechanism comprises a lower die material receiving assembly for receiving the lower die and a lower die moving assembly for moving the lower die to the material;

[0016] Further, the die closing mechanism comprises a die closing linear drive, a die closing connecting frame installed at the execution end of the die closing linear drive, and two die closing lifting drives installed on the die closing connecting frame, and the execution end of each die closing lifting drive is installed with a die closing tool;

[0017] The die closing linear drive drives the movement of the die closing connecting frame, and in turn drives one of the die closing lifting drives and the die closing tool to reciprocate between the upper die material guiding mechanism and the mold carrier, and drives the other die closing lifting drive and the die closing tool to reciprocate between the lower die material guiding mechanism and the mold carrier;

[0018] The die closing lifting drive pushes the die closing tool to ascend and descend to pick up the upper die and the lower die at the upper die material guiding mechanism or the lower die material guiding mechanism, and then drives the die closing lifting drive to the upper die or the lower die in the mold carrier by the die closing linear drive; the die closing lifting drive pushes the die closing tool to ascend and descend to place the lower die in the mold carrier or the upper die in the lower die, and completes the die closing;

[0019] Further, the material inlet of the upper die material guiding mechanism and the lower die material guiding mechanism is provided with an injection molding device for forming the mold to be closed;

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0021] In actual use, the material receiving and transferring of the upper mold is carried out by the upper mold material guiding mechanism and the lower mold material guiding mechanism, and a plurality of molds can be operated simultaneously in a single material receiving and transferring; after the upper mold and the lower mold are transferred to the feeding position by the upper mold material guiding mechanism and the lower mold material guiding mechanism, the lower mold is first placed in the mold carrier by the mold closing mechanism, and then the upper mold is placed in the lower mold, thereby completing the paired mold closing; the placement position of the mold on the mold carrier corresponds to the distribution position of the mold picked up by the execution end of the upper mold material guiding mechanism, the lower mold material guiding mechanism and the mold closing mechanism.

[0022] The paired mold closing device for the contact lens mold has a simplified overall structure, realizes integrated feeding of the upper mold and the lower mold, reduces the mold circulation path, and further reduces the mold closing pairing by the mold closing mechanism, thereby saving the time, economic and labor costs caused by long-distance circulation, and improving the overall production and processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a top view schematic diagram of the present application;

[0024] Fig. 2 is a schematic diagram of the overall structure of the present application. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0026] Referring to Figs. 1-2 As shown in the figure, a paired mold closing device for a contact lens mold includes an upper mold material guiding mechanism 320, a lower mold material guiding mechanism 330 and a mold closing mechanism 340.

[0027] The upper mold material guiding mechanism 320 receives and moves a plurality of upper molds to the feeding position of the upper mold, and the lower mold material guiding mechanism 330 receives and moves a plurality of lower molds to the feeding position of the lower mold; the mold closing mechanism 340 moves the lower mold from the feeding position of the lower mold to the mold carrier 200, and then the mold closing mechanism 340 moves the upper mold from the feeding position of the upper mold to the mold carrier 200, and places the upper mold in the lower mold with the same power or model, so as to realize the paired mold closing of a plurality of upper molds and lower molds.

[0028] The utility model discloses in actual use, by upper die guide mechanism 320 and lower die guide mechanism 330 carry out the material receiving and transfer of upper die, single material receiving and transfer, can realize the simultaneous operation of multiple moulds;Upper die guide mechanism 320 and lower die guide mechanism 330 simultaneously transport upper die and lower die to the feeding position, and the distribution position of the pick-up mould of the execution end of the mould closing mechanism 340 is corresponded with the placement position of the upper die of the mould carrier 200, first, the lower die is placed in the mould carrier 200, and then the upper die is placed in the lower die, and the matching mould closing is completed;

[0029] The contact lens mould matching mould closing device has a compact overall structure, realizes feeding of the upper die and the lower die in an integrated mode, reduces the mould circulation path, quickly matches the upper die and the lower die through the mould closing mechanism, further reduces circulation and conveying, completes rapid matching mould closing, saves time, economic and manpower costs caused by long-distance circulation, and improves overall production and processing efficiency.

[0030] In the embodiment, the upper die guide mechanism 320, the lower die guide mechanism 330 and the mould closing mechanism 340 are all installed on the mould closing support 310;The mould closing support 310 includes a front support 312, a rear support 313 and a mould closing cross support 311 arranged at the top ends of the front support 312 and the rear support 313;The upper die guide mechanism 320 is installed on the front support 312, the lower die guide mechanism 330 is installed on the rear support 313, and the mould closing mechanism 340 is installed on the mould closing cross support 311;The front support 312, the rear support 313 and the mould closing cross support 311 are profile supports, which have low modification costs and can be quickly adjusted and built in length and height as required;The upper die guide mechanism 320, the lower die guide mechanism 330 and the mould closing mechanism 340 have a linear layout structure and can be double-end fed, further reducing circulation costs.

[0031] The upper die guide mechanism 320 includes an upper die receiving assembly 321 for receiving the upper die and an upper die moving assembly 322 for moving the upper die to the feeding position;After the upper die receiving assembly 321 receives the upper die, the upper die moving assembly 322 moves the upper die from the upper die receiving assembly 321 to the upper die feeding position;

[0032] The upper die receiving assembly 321 includes an upper die receiving tool 3213, an upper die turnover drive 3212 for driving the upper die receiving tool 3213 to turn over and an upper die lifting drive 3211 installed on the front support 312 and used for pushing the upper die turnover drive 3212 to descend;

[0033] The upper die moving assembly 322 includes an upper die jig 3222 for placing the upper die and an upper die linear drive 3221 for driving the upper die jig 3222 to move;

[0034] The upper mold turnover drive 3212 rotates the orientation of the upper mold receiving tool 3213 to the upper mold incoming material position. After the upper mold receiving tool 3213 receives and fixes the upper mold, the upper mold turnover drive 3212 rotates the orientation of the upper mold receiving tool 3213 to the upper mold moving assembly 322. The upper mold lifting drive 3211 drives the upper mold turnover drive 3212 to descend, and the upper mold receiving tool 3213 places the upper mold in the upper mold moving assembly 322.

[0035] When the upper mold receiving assembly 321 receives the upper mold incoming material, the upper mold linear drive 3221 drives the upper mold jig 3222 to the upper mold receiving tool 3213 of the upper mold receiving assembly 321 to wait for the upper mold loading. After the upper mold receiving assembly 321 loads the upper mold, the upper mold linear drive 3221 drives the upper mold jig 3222 to the upper mold incoming material position.

[0036] The upper mold receiving assembly 321 is used to receive the upper mold that needs to be clamped, and places the upper mold in the upper mold moving assembly 322, and transports the upper mold to the incoming material position. The number of turnovers is reduced, and the actions of receiving and moving are combined.

[0037] Preferably, the upper mold turnover drive 3212 is a rotary cylinder, the upper mold lifting drive 3211 is a slide cylinder, and the upper mold receiving tool 3213 is a suction cup or a clamping jaw that can pick up and place the mold.

[0038] In this embodiment, the lower mold guiding mechanism 330 includes a lower mold receiving assembly 331 for receiving the lower mold and a lower mold moving assembly 332 for moving the lower mold to the incoming material position. The structural features of the lower mold guiding mechanism 330 are the same as those of the upper mold guiding mechanism 320, except that the object implemented by the technical solution is the lower mold.

[0039] In this embodiment, the clamping mechanism 340 includes a clamping linear drive 341, a clamping connecting frame 342 installed at the execution end of the clamping linear drive 341, and two clamping lifting drives 343 installed on the clamping connecting frame 342. The execution end of each clamping lifting drive 343 is installed with a clamping tool 344.

[0040] The clamping linear drive 341 drives the clamping connecting frame 342 to move, thereby driving one of the clamping lifting drives 343 and the clamping tool 344 to reciprocate between the upper mold guiding mechanism 320 and the mold carrier 200, and the other clamping lifting drive 343 and the clamping tool 344 reciprocate between the lower mold guiding mechanism 330 and the mold carrier 200.

[0041] The mold clamping lifting drive 343 pushes the mold clamping tool 344 to lift the upper mold and the lower mold at the upper mold material guiding mechanism 320 or the lower mold material guiding mechanism 330, and then the mold clamping linear drive 341 drives the mold clamping lifting drive 343 to the upper mold or the lower mold in the mold carrier 200; the mold clamping lifting drive 343 pushes the mold clamping tool 344 to lift the lower mold in the mold carrier 200 or the upper mold in the lower mold, and completes mold clamping

[0042] Preferably, the mold clamping linear drive 341 is a linear motor, the mold clamping lifting drive 343 is a slide table air cylinder, and the mold clamping tool 344 is a suction cup or a clamping jaw which can pick up and place the mold.

[0043] In the embodiment, the injection molding equipment for forming the mold to be clamped is arranged at the material inlet of the upper mold material guiding mechanism and the lower mold material guiding mechanism.

[0044] The seamless connection of the material is achieved, the redundant material tray or other turnover means is reduced, the cost is reduced, and the efficiency is improved; the mold ejection mechanical arm 111 is arranged on the upper mold injection molding equipment 110 and the lower mold injection molding equipment 120, the execution end of the mold ejection mechanical arm 111 is provided with the mold ejection suction cup 112, the suction position of the mold ejection suction cup 112 corresponds to the suction position of the upper mold receiving suction cup 323 and the lower mold receiving suction cup 333, the smooth handover is achieved; corresponding to different mold clamping and ejection requirements, only the mold ejection suction cup 112 needs to be replaced to complete the debugging and adaptation of the production line

[0045] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model 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 utility model.

Claims

1. A contact lens mold pairing and fitting device, characterized in that, It includes an upper mold guiding mechanism (320), a lower mold guiding mechanism (330), and a mold closing mechanism (340); The upper mold guiding mechanism (320) receives multiple upper molds and moves them to the upper mold loading point, while the lower mold guiding mechanism (330) receives multiple lower molds and moves them to the lower mold loading point. The mold closing mechanism (340) moves the lower mold from the lower mold loading point to the mold carrier (200), and then the mold closing mechanism (340) moves the upper mold from the upper mold loading point to the mold carrier (200) and places the upper mold in the lower mold with the same degree or model as the upper mold, so as to realize the pairing and mold closing of multiple upper molds and lower molds.

2. The contact lens mold matching and molding device according to claim 1, characterized in that, The upper mold guiding mechanism (320), the lower mold guiding mechanism (330), and the mold closing mechanism (340) are all mounted on the mold closing bracket (310); the mold closing bracket (310) includes a front frame (312), a rear frame (313), and a mold closing cross frame (311) mounted on the top of the front frame (312) and the rear frame (313); the upper mold guiding mechanism (320) is mounted on the front frame (312), the lower mold guiding mechanism (330) is mounted on the rear frame (313), and the mold closing mechanism (340) is mounted on the mold closing cross frame (311).

3. The contact lens mold matching and molding device according to claim 2, characterized in that, The upper mold guiding mechanism (320) includes an upper mold receiving component (321) for receiving material from the upper mold and an upper mold moving component (322) for moving the upper mold to the feeding position. After the upper mold receiving component (321) receives the upper mold, the upper mold moving component (322) moves the upper mold from the upper mold receiving component (321) to the upper mold feeding point.

4. The contact lens mold matching and molding device according to claim 3, characterized in that, The upper mold receiving assembly (321) includes an upper mold receiving fixture (3213), an upper mold flipping drive (3212) for driving the upper mold receiving fixture (3213) to flip, and an upper mold lifting drive (3211) mounted on the front frame (312) for pushing the upper mold flipping drive (3212) to descend. The upper mold flipping drive (3212) rotates the orientation of the upper mold receiving fixture (3213) to the upper mold receiving point. After the upper mold receiving fixture (3213) receives the material and fixes the upper mold, the upper mold flipping drive (3212) rotates the orientation of the upper mold receiving fixture (3213) to the upper mold moving assembly (322). The upper mold lifting drive (3211) drives the upper mold flipping drive (3212) to descend, and the upper mold receiving fixture (3213) places the upper mold inside the upper mold moving assembly (322).

5. The contact lens mold matching and molding device according to claim 3, characterized in that, The upper mold moving assembly (322) includes an upper mold fixture (3222) for placing the upper mold and an upper mold linear drive (3221) for driving the upper mold fixture (3222) to move. When the upper mold receiving assembly (321) receives the upper mold material, the upper mold linear drive (3221) drives the upper mold fixture (3222) to the upper mold receiving assembly (3213) to wait for the upper mold to be loaded. After the upper mold receiving assembly (321) loads the mold, the upper mold linear drive (3221) drives the upper mold fixture (3222) to the upper mold loading point.

6. The contact lens mold pairing and fitting device according to claim 2, characterized in that, The lower die guiding mechanism (330) includes a lower die receiving component (331) for receiving the lower die and a lower die moving component (332) for moving the lower die to the loading position.

7. The contact lens mold matching and molding device according to claim 1, characterized in that, The mold closing mechanism (340) includes a mold closing linear drive (341), a mold closing frame (342) mounted on the execution end of the mold closing linear drive (341), and two mold closing lifting drives (343) mounted on the mold closing frame (342). Each of the mold closing lifting drives (343) has a mold closing fixture (344) mounted on its execution end. The mold closing linear drive (341) drives the mold closing frame (342) to move, which in turn drives one of the mold closing lifting drives (343) and the mold closing fixture (344) to reciprocate between the upper mold guiding mechanism (320) and the mold carrier (200), and the other mold closing lifting drive (343) and the mold closing fixture (344) to reciprocate between the lower mold guiding mechanism (330) and the mold carrier (200); The mold closing lifting drive (343) pushes the mold closing fixture (344) to lift and lower to pick up the upper mold and lower mold at the upper mold guiding mechanism (320) or the lower mold guiding mechanism (330), and then the mold closing linear drive (341) drives the mold closing lifting drive (343) to the upper mold or lower mold in the mold carrier (200); the mold closing lifting drive (343) pushes the mold closing fixture (344) to lift and lower to place the lower mold in the mold carrier (200) or place the upper mold in the lower mold to complete the mold closing.

8. The contact lens mold matching and molding device according to claim 1, characterized in that, The upper mold guiding mechanism (320) and the lower mold guiding mechanism (330) are equipped with injection molding equipment for forming the mold to be closed.

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