CN213792567U

CN213792567U - Precision fine-tuning mechanism for optical film coating

Info

Publication number: CN213792567U
Application number: CN202022525564.0U
Authority: CN
Inventors: 曹余庆; 何海棠; 成涵
Original assignee: WUXI ADVANCE SYSTEMS Inc
Current assignee: WUXI ADVANCE SYSTEMS Inc
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-07-27
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an accurate fine-tuning of blooming coating belongs to blooming coating machine spare part field, and its technical scheme main points are including mounting panel, curb plate, roof, bottom plate, preceding backup pad and back backup pad, and wherein curb plate, roof, bottom plate, preceding backup pad and back backup pad constitute the box structure, and box structrual installation rotates in the mounting panel and is connected with the lead screw in the box structure, threaded connection has the nut on the lead screw, and the nut has lower wedge through the fix with screw, and the box is structural to move about and is provided with wedge, go up the lower inclined plane of wedge and lower wedge and go up the inclined plane and contact, the utility model has the advantages of can high accuracy on-line adjustment die head clearance.

Description

Precision fine-tuning mechanism for optical film coating

Technical Field

The utility model relates to an optical film coating machine spare part field, in particular to accurate fine-tuning of optical film coating.

Background

The application of optical films began in the 30's of the 20 th century. Optical films have been widely used in the optical and optoelectronic arts to manufacture various optical instruments. The coating machine is mainly used for the surface coating process production of films, paper and the like, and the coating machine is used for coating a layer of glue, paint or ink with a specific function on a coiled substrate, drying and then rolling. The coating machine adopts a special multifunctional coating head, can realize the generation of surface coating in various forms, is provided with a full-speed automatic film receiving mechanism for winding and unwinding, and is automatically controlled by a PLC program tension closed loop. The gap between the coating head and the back roll has great influence on the coating effect, most of the existing coating machines adopt a screw direct-jacking mode or a mode that a wedge block is driven by a screw to adjust the gap between the die head and the back roll, the precision is poor, and the online adjustment of the gap is difficult to realize due to the large friction coefficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a precision fine-tuning of blooming coating constructs, its advantage is in can the high accuracy online adjustment die head clearance.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a precision fine-tuning of blooming coating, includes mounting panel, curb plate, roof, bottom plate, preceding backup pad and back backup pad, and wherein curb plate, roof, bottom plate, preceding backup pad and back backup pad constitute the box structure, and box structural mounting is on the mounting panel, and swivelling joint has the lead screw in the box structure, threaded connection has the nut on the lead screw, and the nut has lower wedge through the fix with screw, and the box is structural to move about and is provided with wedge, the lower inclined plane of going up wedge contacts with lower wedge upper inclined plane.

Furthermore, a plurality of first needle bearings are arranged at the contact positions of the upper wedge block and the lower wedge block.

Furthermore, a first spring is sleeved on the screw rod and abuts against the lower wedge block.

Furthermore, a plurality of second springs are arranged between the upper wedge block and the top plate.

Furthermore, one end of the screw rod extends out of the front support plate and is fixed with a handle.

Furthermore, a plurality of second needle roller bearings are mounted on the bottom plate and are in contact with the bottom surface of the lower wedge block.

To sum up, the utility model discloses following beneficial effect has:

1. when the die head is used, the handle is rotated to drive the screw rod to rotate, the nut drives the lower wedge block to move left and right, the upper wedge block is driven to move up and down, the upper die head of the upper wedge block is driven to move up and down, the function of adjusting the distance is achieved, and high-precision die head gap adjustment can be achieved;

2. the transmission part is rolling friction, so that the friction force is small, and the obstruction to the die head movement is reduced;

3. the structure is compact, the volume is small, the occupied working space is small, and the installation and the use in the optical film coating equipment are convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of a fine tuning mechanism for optical film coating;

fig. 2 is a schematic sectional structure view of a fine adjustment mechanism for optical film coating.

In the figure, 1, mounting plate; 2. a handle; 3. a side plate; 4. a top plate; 5. a rear support plate; 6. a front support plate; 7. a base plate; 8. a first needle bearing; 9. a lower wedge block; 10. a nut; 11. a screw rod; 12. a first spring; 13. an upper wedge block; 14. a second spring; 15. a die head; 16. and a second needle bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): the utility model provides a precision fine-tuning of blooming coating, combines shown in fig. 1 and fig. 2, includes mounting panel 1, curb plate 3, roof 4, bottom plate 7, preceding backup pad 6 and back backup pad 5, and wherein curb plate 3, roof 4, bottom plate 7, preceding backup pad 6 and back backup pad 5 constitute the box structure, and the box structure is installed on mounting panel 1.

As shown in fig. 2, a plurality of second needle bearings 16 are mounted on the inward-facing surface of the base plate 7.

As shown in fig. 2, a screw rod 11 is rotatably connected in the box structure, a nut 10 is connected to the end portion of the screw rod 11 located in the box through a thread, the nut of the screw rod 11 has a self-locking function, the other end of the rod extends out of the front support plate 6 and is fixed with a handle 2, and the screw rod 11 is driven to rotate through rotating the handle 2. The screw rod 11 is sleeved with a first spring 12.

As shown in fig. 2, a lower wedge 9 capable of moving left and right is installed in the box structure, the bottom surface of the lower wedge 9 contacts with the second needle bearing, the lower wedge 9 is fixed with a nut 10 by a screw, and the lower wedge 9 abuts against a first spring 12. During work, the rotating handle 2 drives the screw rod 11 to rotate, the nut 10 is driven to move left and right along the axial direction of the screw rod 11, the first spring 12 is in a compression state and has a rebound movement trend, and the lower wedge block 9 is convenient to reset.

As shown in fig. 2, an upper wedge 13 is installed in the box structure, a truncated cone-shaped die head 15 is arranged at the top of the upper wedge 13, the lower inclined surface of the upper wedge 13 is in contact with the upper inclined surface of the lower wedge 9, and the upper wedge 13 is driven to move up and down when the lower wedge 9 moves left and right. A plurality of first needle roller bearings 8 are arranged at the contact positions of the upper wedge block 13 and the lower wedge block 9, the first needle roller bearings 8 are mainly used for reducing the frictional resistance of the upper wedge block 13 and the lower wedge block 9, and the first needle roller bearings 8 and the second needle roller bearings 16 are matched to reduce the part loss.

As shown in fig. 2, a plurality of second springs 14 are arranged between the upper wedge block 13 and the top plate 4, the second springs 14 are pressed when the upper wedge block 13 moves upwards, and when the upper wedge block 13 moves downwards, the second springs 14 rebound to drive the upper wedge block 13 to reset rapidly.

The specific implementation process comprises the following steps: when the wedge-shaped adjusting device is used, the rotating handle 2 drives the screw rod 11 to rotate, the nut 10 drives the lower wedge-shaped block 9 to move left and right, the upper wedge-shaped block 13 is driven to move up and down, then the upper wedge-shaped block 13 is driven to move up and down, the function of adjusting the distance is achieved, and micron-sized precision adjustment can be achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The precise fine adjustment mechanism for coating the optical film is characterized in that: the box structure comprises a mounting plate (1), side plates (3), a top plate (4), a bottom plate (7), a front supporting plate (6) and a rear supporting plate (5), wherein the side plates (3), the top plate (4), the bottom plate (7), the front supporting plate (6) and the rear supporting plate (5) form the box structure, the box structure is mounted on the mounting plate (1), a lead screw (11) is rotatably connected in the box structure, a nut (10) is in threaded connection with the lead screw (11), the nut (10) is fixedly provided with a lower wedge block (9) through a screw, an upper wedge block (13) is movably arranged on the box structure, the top of the upper wedge block (13) is provided with a die head (15), and the lower inclined surface of the upper wedge block (13) is in contact with the upper inclined surface of the lower wedge block (9).

2. The optical film coated precision fine tuning mechanism of claim 1, wherein: and a first needle bearing (8) is arranged at the contact position of the upper wedge block (13) and the lower wedge block (9).

3. The optical film coated precision fine tuning mechanism of claim 1, wherein: the lead screw (11) is sleeved with a first spring (12), and the first spring (12) is abutted to the lower wedge block (9).

4. The optical film coated precision fine tuning mechanism of claim 1, wherein: a plurality of second springs (14) are arranged between the upper wedge block (13) and the top plate (4).

5. The optical film coated precision fine tuning mechanism of claim 1, wherein: one end of the screw rod (11) extends out of the front support plate (6) and is fixed with a handle (2).

6. The optical film coated precision fine tuning mechanism of claim 1, wherein: and a plurality of second needle roller bearings (16) are arranged on the bottom plate (7), and the second needle roller bearings (16) are contacted with the bottom surface of the lower wedge block (9).