CN218984224U

CN218984224U - Grinding device is used in processing of free form surface lens

Info

Publication number: CN218984224U
Application number: CN202223416167.5U
Authority: CN
Inventors: 张玉宁; 祁春宝; 韩刘军
Original assignee: Nanjing Changming Photoelectric Technology Co ltd
Current assignee: Nanjing Changming Photoelectric Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a grinding device for processing a free-form surface lens, which comprises a grinding table and an adjusting frame, wherein the adjusting frame is arranged on one side above the grinding table, the adjusting frame consists of an adjusting vertical plate and an adjusting transverse plate, one end of the adjusting vertical plate is rotationally connected with one end of the adjusting transverse plate through a rotating shaft, a first electric push rod is arranged below the adjusting vertical plate, the adjusting vertical plate is fixedly connected with the push rod end of the first electric push rod, the first electric push rod is fixedly connected with the grinding table through a screw, a second electric push rod is rotationally arranged on one side of the adjusting vertical plate, the push rod end of the second electric push rod is rotationally connected with the adjusting transverse plate, and a third electric push rod is fixedly arranged on one side of the adjusting transverse plate. The polishing wheel adjusting device achieves the capability of adjusting the position of the polishing wheel, so that the problem that the polishing quality of the edge of a lens is affected due to poor polishing wheel adjusting capability during polishing is solved.

Description

Grinding device is used in processing of free form surface lens

Technical Field

The utility model relates to the technical field of polishing devices, in particular to a polishing device for processing a free-form surface lens.

Background

The free-form surface lens is turned and manufactured by means of an advanced numerical control ultra-precise machine, the optical surface shape of the free-form surface lens can be formed by optionally combining asymmetric, irregular and complex free-form surfaces, the surface precision can be made higher, the application of the free-form surface lens can obviously improve the visual field, the possibility is provided for personalized design, flaws can exist on the edge due to the influence of processing in the processing process of the free-form surface lens, and a polishing device is needed to polish the edge of the free-form surface lens;

for example, patent publication CN209954370U (a polishing device for lens processing): the novel anti-theft device comprises a base and a top cover, wherein an annular chute is formed in the middle of the side wall of the periphery of the base, a mounting groove is formed in the annular chute, an arc-shaped sliding block is arranged in the annular chute, a supporting plate is welded on one side wall of the arc-shaped sliding block, and a T-shaped sliding block is arranged in the middle of the upper end of the supporting plate;

although the lens can be clamped stably in the prior art, the polishing wheel is influenced by the adjusting rod and can only move radially leftwards and rightwards, so that the polishing wheel has poor adjustment capability when polishing, and only one circle of fixed position on the side edge of the lens can be polished, thereby influencing the polishing quality of the edge of the lens; therefore, the market is urgently required to develop a polishing device for processing free-form surface lenses to help people solve the existing problems.

Disclosure of Invention

The utility model aims to provide a polishing device for processing a free-form surface lens, which solves the problems that in the prior art, when polishing, the polishing wheel has poor adjustment capability and the polishing quality of the edge of the lens is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a grinding device for processing free-form surface lenses comprises a grinding table,

the adjusting frame is arranged on one side above the polishing table and consists of an adjusting vertical plate and an adjusting transverse plate, one end of the adjusting vertical plate is rotationally connected with one end of the adjusting transverse plate through a rotating shaft, a first electric push rod is arranged below the adjusting vertical plate and fixedly connected with the push rod end of the first electric push rod, the first electric push rod is fixedly connected with the polishing table through a screw, a second electric push rod is rotationally arranged on one side of the adjusting vertical plate, the push rod end of the second electric push rod is rotationally connected with the adjusting transverse plate, and a third electric push rod is fixedly arranged on one side of the adjusting transverse plate;

the power box is arranged on one side of the third electric push rod, the power box is fixedly connected with the push rod end of the third electric push rod, the grinding wheel is rotatably arranged below the power box, and a motor is arranged inside the power box.

Preferably, the middle of polishing platform top is fixed mounting has a fixed section of thick bamboo, the both sides of fixed section of thick bamboo all are provided with fixed pole setting, and fixed pole setting passes through screw fixed connection with the polishing platform, the top fixed mounting of fixed pole setting has the roof.

Preferably, the middle of roof below is provided with the lifter, the both sides of lifter symmetry fixed mounting respectively has the guide block, the inside of guide block is provided with the sliding through hole, the below of guide block is provided with the guide bar, the guide bar runs through the guide block and with roof fixed connection through the sliding through hole.

Preferably, a lifting screw is rotatably arranged above the top plate, and penetrates through the top plate and is in threaded connection with the lifting block.

Preferably, a rotating block is rotatably arranged below the lifting block, an upper pressure head is fixedly arranged below the rotating block, and an upper rubber pad is adhered below the upper pressure head.

Preferably, a lower pressure head is fixedly arranged above the fixed cylinder, a lower rubber pad is adhered above the lower pressure head, and a motor is fixedly arranged inside the fixed cylinder.

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

1. according to the utility model, through the arrangement of the first electric push rod, the second electric push rod and the third electric push rod, the three electric push rods are arranged on the adjusting transverse plate and the adjusting vertical plate, so that the adjusting transverse plate and the adjusting vertical plate can be lifted and rotated through the starting of the three electric push rods, the grinding wheel can be moved left and right, and the angle position of the grinding wheel can be adjusted when the edge of the free-form surface lens is ground, and the grinding quality of the free-form surface lens is improved.

2. According to the utility model, through the arrangement of the guide blocks and the guide rods, the guide blocks are arranged on both sides of the lifting block, so that when the lifting screw is screwed, the lifting block cannot rotate along with the lifting screw under the limitation of the guide blocks and the guide rods, the lifting block can lift and move, and the moving stability of the lifting block is improved.

Drawings

FIG. 1 is a front view of a grinding device for free-form surface lens machining of the present utility model;

FIG. 2 is a cross-sectional view of the utility model at location A;

fig. 3 is a cross-sectional view of the B site of the present utility model.

In the figure: 1. a grinding table; 2. a first electric push rod; 3. adjusting the vertical plate; 4. a second electric push rod; 5. adjusting the transverse plate; 6. a third electric push rod; 7. a power box; 8. grinding wheel; 9. fixing the vertical rod; 10. a top plate; 11. lifting screw rods; 12. a lifting block; 13. a rotating block; 14. an upper ram; 15. a lower ram; 16. a fixed cylinder; 17. an upper rubber pad; 18. a lower rubber pad; 19. a motor; 20. a guide block; 21. a guide rod; 22. and a sliding through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the utility model provides a grinding device is used in free-form surface lens processing, including polishing platform 1, the alignment jig, it sets up in one side of polishing platform 1 top, the alignment jig comprises adjusting riser 3 and adjusting diaphragm 5, and the one end of adjusting riser 3 is rotated through the pivot with the one end of adjusting diaphragm 5 and is connected, first electric putter 2 is installed to the below of adjusting riser 3, and adjusting riser 3 and the push rod end fixed connection of first electric putter 2, first electric putter 2 passes through screw fixed connection with polishing platform 1, second electric putter 4 is installed in one side rotation of adjusting riser 3, and the push rod end and the adjusting diaphragm 5 rotation of second electric putter 4 are connected, one side fixed mounting of adjusting diaphragm 5 has third electric putter 6, through the setting of three electric putter, thereby the position angle of adjusting grinding wheel 8 is convenient for be adjusted, the flexibility of polishing free-form surface lens has been improved; the power box 7 is arranged on one side of the third electric push rod 6, the power box 7 is fixedly connected with the push rod end of the third electric push rod 6, the grinding wheel 8 is rotatably arranged below the power box 7, a motor is arranged in the power box 7, the output end of the motor is fixedly connected with the grinding wheel 8, the grinding wheel 8 can stably rotate, and then grinding work is carried out.

Referring to fig. 1, a fixing cylinder 16 is fixedly installed in the middle of the upper part of the polishing table 1, fixing uprights 9 are respectively arranged on two sides of the fixing cylinder 16, the fixing uprights 9 are fixedly connected with the polishing table 1 through screws, a top plate 10 is fixedly installed above the fixing uprights 9, and the fixing uprights 9 and the top plate 10 form a fixing frame similar to an inverted U shape, so that stability of the lifting block 12 is facilitated.

Referring to fig. 1 and 3, a lifting block 12 is arranged in the middle of the lower portion of the top plate 10, guide blocks 20 are symmetrically and fixedly mounted on two sides of the lifting block 12 respectively, sliding through holes 22 are formed in the guide blocks 20, guide rods 21 are arranged below the guide blocks 20, the guide rods 21 penetrate through the guide blocks 20 through the sliding through holes 22 and are fixedly connected with the top plate 10, and the lifting block 12 can be limited due to the arrangement of the guide blocks 20 and the guide rods 21, so that the moving stability of the lifting block 12 is improved.

Referring to fig. 1, a lifting screw 11 is rotatably installed above a top plate 10, a holding rod is arranged above the lifting screw 11, the convenience of rotation of the lifting screw 11 is improved, the lifting screw 11 penetrates through the top plate 10 and is in threaded connection with a lifting block 12, and a threaded cavity is formed in the lifting block 12, so that the lifting block 12 can lift through rotation of the lifting screw 11.

Referring to fig. 1 and 2, a rotating block 13 is rotatably installed below a lifting block 12, and by means of the rotation installation mode of the rotating block 13, a free-form surface lens can stably rotate during polishing, an upper pressing head 14 is fixedly installed below the rotating block 13, an upper rubber pad 17 is adhered to the lower side of the upper pressing head 14, the upper pressing head 14 can be prevented from directly contacting with the free-form surface lens by the arrangement of the upper rubber pad 17, pressure is reduced, and the protection capability on the surface of the free-form surface lens is improved.

Referring to fig. 1 and 2, a lower pressing head 15 is fixedly installed above the fixed cylinder 16, a lower rubber pad 18 is adhered above the lower pressing head 15, the lower rubber pad 18 is arranged to prevent the lower pressing head 15 from directly contacting with the free-form surface lens and reduce pressure, the protection capability of the surface of the free-form surface lens is improved, a motor 19 is fixedly installed inside the fixed cylinder 16, and the output end of the motor 19 is fixedly connected with the lower pressing head 15, so that the motor 19 can drive the lower pressing head 15 to rotate, and the polishing convenience of the free-form surface lens is improved.

Working principle: when the device is used, the free-form surface lens is placed on the lower pressure head 15, then the lifting screw 11 is screwed, the lifting block 12 moves downwards under the limiting and guiding actions of the guide block 20 and the guide rod 21, so that the upper pressure head 14 presses the upper surface of the free-form surface lens, the free-form surface lens is fixed in position, then the motor 19 is started, the lower pressure head 15 is driven to drive the free-form surface lens to slowly rotate, the adjusting vertical plate 3 is driven to move up and down through starting the first electric push rod 2, the grinding wheel 8 can move up and down, the adjusting transverse plate 5 can rotate through starting the second electric push rod 4, the grinding wheel 8 can rotate, the angle is changed, the power box 7 can move left and right through starting the third electric push rod 6, the grinding wheel 8 can move left and right, the grinding wheel 8 is driven to rotate, and the position angle of the grinding wheel 8 can be adjusted through starting the first electric push rod 2, the second electric push rod 4 and the third electric push rod 6 respectively, and the edge of the free-form surface lens can be ground.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Grinding device is used in free-form surface lens processing, including polishing platform (1), its characterized in that:

the adjusting frame is arranged on one side above the polishing table (1), the adjusting frame is composed of an adjusting vertical plate (3) and an adjusting transverse plate (5), one end of the adjusting vertical plate (3) is rotationally connected with one end of the adjusting transverse plate (5) through a rotating shaft, a first electric push rod (2) is installed below the adjusting vertical plate (3), the adjusting vertical plate (3) is fixedly connected with the push rod end of the first electric push rod (2), the first electric push rod (2) is fixedly connected with the polishing table (1) through a screw, a second electric push rod (4) is rotationally installed on one side of the adjusting vertical plate (3), the push rod end of the second electric push rod (4) is rotationally connected with the adjusting transverse plate (5), and a third electric push rod (6) is fixedly installed on one side of the adjusting transverse plate (5).

The power box (7) is arranged on one side of the third electric push rod (6), the power box (7) is fixedly connected with the push rod end of the third electric push rod (6), the grinding wheel (8) is rotatably arranged below the power box (7), and a motor is arranged inside the power box (7).

2. The polishing device for free-form surface lens processing according to claim 1, wherein: the middle fixed mounting of platform (1) top has fixed section of thick bamboo (16), the both sides of fixed section of thick bamboo (16) all are provided with fixed pole setting (9), and fixed pole setting (9) pass through screw fixed connection with platform (1) of polishing, the top fixed mounting of fixed pole setting (9) has roof (10).

3. The polishing device for free-form surface lens processing according to claim 2, wherein: the middle of roof (10) below is provided with elevating block (12), the both sides of elevating block (12) symmetry fixed mounting respectively has guide block (20), the inside of guide block (20) is provided with sliding through-hole (22), the below of guide block (20) is provided with guide bar (21), guide bar (21) run through guide block (20) and with roof (10) fixed connection through sliding through-hole (22).

4. A grinding device for free-form surface lens machining according to claim 3, wherein: the lifting screw (11) is rotatably arranged above the top plate (10), and the lifting screw (11) penetrates through the top plate (10) and is in threaded connection with the lifting block (12).

5. The polishing device for free-form surface lens processing according to claim 4, wherein: the lower part of the lifting block (12) is rotatably provided with a rotating block (13), the lower part of the rotating block (13) is fixedly provided with an upper pressure head (14), and the lower part of the upper pressure head (14) is adhered with an upper rubber pad (17).

6. The polishing device for free-form surface lens processing according to claim 5, wherein: the upper part of the fixed cylinder (16) is fixedly provided with a lower pressure head (15), a lower rubber pad (18) is adhered to the upper part of the lower pressure head (15), and the inside of the fixed cylinder (16) is fixedly provided with a motor (19).