CN214292700U

CN214292700U - Special fixture for contact lens forming mold

Info

Publication number: CN214292700U
Application number: CN202022105153.6U
Authority: CN
Inventors: 李凡; 赵铭柱
Original assignee: Suzhou Tianqun Precision Machinery Co ltd
Current assignee: Suzhou Tianqun Precision Machinery Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-09-28
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses a special clamp for a contact lens forming die, which comprises a base, wherein a rotating shaft is rotatably arranged above the base, a rotary disc is fixed at the upper end of the rotating shaft, cavities are respectively arranged at the two inner sides of the rotary disc, a driven gear is rotatably arranged inside the cavities, the internal thread of the driven gear is connected with a threaded rod, the lower end of the threaded rod is fixed with a pneumatic finger, one side of the driven gear is engaged with a driving gear, a second motor for driving the driving gear to rotate is arranged below the driving gear, a gear seat is fixed at the lower surface of the driven gear, the gear seat is rotatably connected with the cavities through a bearing, the threaded rod is rotatably connected with the gear seat through a thread, the utility model is provided with two pneumatic fingers which can alternately clamp the contact lens to ensure that the clamping efficiency is higher, the utility model discloses the spring has been set up to reduce the vibrations of getting, guarantee to press from both sides the stability of getting.

Description

Special fixture for contact lens forming mold

Technical Field

The utility model relates to an anchor clamps technical field specifically is a contact lens forming die special fixture.

Background

Patent application No. 201420014190.8 discloses a special clamp for contact lens forming mold, which is low in clamping efficiency when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contact lens forming die special fixture to solve the contact lens forming die special fixture among the prior art, during its use, press from both sides the lower problem of efficiency of getting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a contact lens forming die special fixture, includes the base, the top of base is rotated and is installed the pivot, the upper end of pivot is fixed with the carousel, the cavity has all been seted up to the inside both sides of carousel, driven gear is installed in the internal rotation of cavity, driven gear's internal thread is connected with the threaded rod, the lower extreme of threaded rod is fixed with pneumatic finger, driven gear's one side meshing has the driving gear, the below of driving gear is installed and is used for driving gear pivoted second motor.

Preferably, driven gear's lower fixed surface has the gear seat, and rotates through the bearing between gear seat and the cavity and be connected, rotate through the screw thread between threaded rod and the gear seat and be connected.

Preferably, a top plate is fixed at the upper end of the threaded rod.

Preferably, guide rods are fixed on two sides of the position, corresponding to the top plate, of the upper surface of the rotating disc, and the guide rods penetrate through the top plate.

Preferably, the upper end of the guide rod is fixed with a limiting plate, and a spring is sleeved outside a cylinder of the guide rod below the top plate.

Preferably, a first motor for driving the rotating shaft to rotate is installed inside the base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with two pneumatic fingers which can alternately perform clamping operation, so that the clamping efficiency is higher;

2. the utility model discloses the spring has been set up to reduce the vibrations of getting, guarantee to press from both sides the stability of getting.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the turntable of the present invention.

In the figure: 1. a base; 2. a rotating shaft; 3. a turntable; 4. a threaded rod; 5. a pneumatic finger; 6. a limiting plate; 7. a top plate; 8. a guide bar; 9. a driving gear; 10. a driven gear; 11. a gear seat; 12. a bearing; 13. a second motor; 14. a cavity; 15. A spring; 16. a first motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a special fixture for a contact lens forming mold includes a base 1, a rotating shaft 2 is rotatably installed above the base 1, a rotating plate 3 is fixed at an upper end of the rotating shaft 2, a first motor 16 for driving the rotating shaft 2 to rotate is installed inside the base 1, and the rotating plate 3 can be driven to rotate when the rotating shaft 2 rotates;

referring to fig. 1 and 2, cavities 14 are formed in both sides of the inside of the turntable 3, a driven gear 10 is rotatably installed inside the cavities 14, a driving gear 9 is engaged with one side of the driven gear 10, a second motor 13 for driving the driving gear 9 to rotate is installed below the driving gear 9, and the second motor 13 can drive the driving gear 9 to rotate so that the driven gear 10 rotates;

continuing to refer to fig. 1 and 2, the internal thread of the driven gear 10 is connected with a threaded rod 4, the threaded rod 4 can be driven to move up and down when the driven gear 10 rotates, a pneumatic finger 5 is fixed at the lower end of the threaded rod 4, the pneumatic finger 5 can also move up and down when the threaded rod 4 moves up and down, and the pneumatic finger 5 can clamp the contact lens mold;

as shown in fig. 2, a gear seat 11 is fixed on the lower surface of the driven gear 10, the gear seat 11 is rotatably connected with the cavity 14 through a bearing 12, the threaded rod 4 is rotatably connected with the gear seat 11 through a thread, the gear seat 11 is locked inside the cavity 14 through the bearing 12, so that the gear seat 11 can be prevented from moving up and down, and the driven gear 10 can be prevented from moving up and down;

as shown in fig. 1, the upper end of threaded rod 4 is fixed with roof 7, and the position both sides that the upper surface of carousel 3 corresponds with roof 7 all are fixed with guide bar 8, and guide bar 8 is used for leading for threaded rod 4 and avoids threaded rod 4 to take place to rotate, and guide bar 8 passes roof 7, and the upper end of guide bar 8 is fixed with limiting plate 6, and the outside cover of cylinder that guide bar 8 is located roof 7 below is equipped with spring 15, and spring 15 plays the cushioning effect.

The utility model discloses a theory of operation and use flow: when the device is used, the rotating shaft 2 is driven to rotate by the first motor 16, the rotating shaft 2 can drive the rotating disc 3 to rotate, the rotating disc 3 can drive the two threaded rods 4 to do circular motion with the rotating shaft 2 as a circle when rotating so as to adjust the position of the pneumatic finger 5, the driving gear 9 is driven to rotate by driving the second motor 13, and then the driven gear 10 rotates, the gear seat 11 is locked inside the cavity 14 by the bearing 12, the gear seat 11 can be prevented from moving up and down, and further the driven gear 10 can be prevented from moving up and down, when the driven gear 10 rotates, the threaded rods 4 can move up and down, when the threaded rods 4 move up and down, when the pneumatic finger 5 reaches the upper part of the conveying belt, the threaded rods 4 drive the pneumatic finger 5 to move down, and then the pneumatic finger 5 can clamp a mold, the guide rod 8 penetrates through the top plate 7, the limiting plate 6 is fixed at the upper end of the guide rod 8, the spring 15 is sleeved outside the cylinder of the guide rod 8 located below the top plate 7, the spring 15 plays a buffering role, and the pneumatic finger 5 carrying the mold is transferred to another position by the rear turntable 3 to carry out next operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A special fixture for a contact lens forming mold comprises a base (1), and is characterized in that: the top of base (1) is rotated and is installed pivot (2), the upper end of pivot (2) is fixed with carousel (3), cavity (14) have all been seted up to the inside both sides of carousel (3), driven gear (10) are installed to the internal rotation of cavity (14), the internal thread connection of driven gear (10) has threaded rod (4), the lower extreme of threaded rod (4) is fixed with pneumatic finger (5), one side meshing of driven gear (10) has driving gear (9), install below of driving gear (9) and be used for driving gear (9) pivoted second motor (13).

2. The jig special for contact lens forming molds according to claim 1, wherein: the lower fixed surface of driven gear (10) has gear seat (11), and rotates through the bearing between gear seat (11) and cavity (14) and be connected, rotate through the screw thread between threaded rod (4) and gear seat (11) and be connected.

3. The jig special for contact lens forming molds according to claim 1, wherein: therefore, the top plate (7) is fixed at the upper end of the threaded rod (4).

4. The jig for a contact lens forming mold as set forth in claim 3, wherein: and guide rods (8) are fixed on two sides of the position, corresponding to the top plate (7), of the upper surface of the rotary table (3), and the guide rods (8) penetrate through the top plate (7).

5. The jig for contact lens forming molds according to claim 4, wherein: a limiting plate (6) is fixed to the upper end of the guide rod (8), and a spring (15) is sleeved outside a cylinder, located below the top plate (7), of the guide rod (8).

6. The jig special for contact lens forming molds according to claim 1, wherein: the base (1) is internally provided with a first motor (16) for driving the rotating shaft (2) to rotate.