Round lens multi-size automatic rotation type positioning fixture for ink coating machine

Abstract

The utility model belongs to the field of accessories of an automatic inking machine in the optical field, and particularly relates to a multi-size automatic rotary positioning fixture for a circular lens for an inking machine, which comprises a base (1), a circular lens positioning fixture (2) and a driving motor (7), the cross section of the circular lens positioning fixture (2) is square; a circular positioning hole (4) is formed in one end of the base (1); positioning grooves (3) are symmetrically formed in each side of the positioning fixture (2); and the central area of the circular lens positioning fixture (2) is connected with the outer edge part of the circular positioning hole (4) and is fixedly connected with the end part of an output shaft of a driving motor (7). The device is accurate in positioning, saves working time, can be flexibly adjusted and automatically switched, and avoids equipment abrasion.

Description

Technical Field

[0001] The utility model belongs to the field of automatic ink coating machine accessories in the field of optics, and particularly relates to a multi-size automatic rotating positioning fixture for circular lenses used in ink coating machines. Background Art

[0002] Applying matte paint on the side of the optical lens plays an important role in eliminating stray light in the optical imaging system. The circular lens of the automatic ink coating machine is fixed by a vacuum rotating suction head, and then positioned by two symmetrical structure fixtures and adsorbed and rotated. The coating hand applies ink to obtain a uniform coating layer. In order to accurately locate the center of the circular lens of different sizes when rotating, a flexible and accurate positioning fixture is essential.

[0003] The existing positioning fixtures for circular lenses of different sizes on the market need to be replaced manually, which is not sufficiently automated, increases equipment wear and reduces work efficiency. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a multi-size automatic rotating positioning fixture for circular lenses of an ink coating machine, which has accurate positioning, high working efficiency, flexible adjustment and automatic switching, and avoids equipment wear.

[0005] To solve the above technical problems, the utility model is implemented as follows:

[0006] A multi-size automatic rotating positioning fixture for a circular lens used in an ink coating machine comprises a base, a circular lens positioning fixture and a driving motor; the circular lens positioning fixture has a square cross-section; a circular positioning hole is provided at one end of the base; positioning grooves are symmetrically provided on each side of the circular lens positioning fixture; the central area of ​​the circular lens positioning fixture is connected to the outer edge of the circular positioning hole and is fixedly connected to the end of the output shaft of the driving motor.

[0007] Furthermore, the circular positioning hole of the utility model adopts a circular positioning convex through-hole structure; a cylindrical groove is provided in the central area of ​​the circular lens positioning fixture corresponding to the circular positioning hole; and the outer edge of the circular positioning hole is plugged into the inner wall of the cylindrical groove.

[0008] Furthermore, the utility model provides several rows of fixture positioning through holes at the other end of the base.

[0009] Furthermore, the extension line of the angular bisector of the positioning groove of the utility model passes through the geometric center of the circular lens positioning fixture.

[0010] Furthermore, the base of the utility model is fixedly sleeved with the output shaft of the driving motor through a circular positioning hole; the output shaft of the driving motor is fixedly connected with the circular lens positioning fixture through a nut.

[0011] The utility model has accurate positioning, saves working time, can be flexibly adjusted and automatically switched, and avoids equipment wear. Compared with the prior art, the utility model has the following characteristics:

[0012] (1) The circular lens positioning fixture can be designed with positioning grooves of various sizes. The automatic switching of this fixture can replace the manual switching method of the traditional single-size positioning fixture, reducing equipment wear and ensuring the consistency of the inking effect.

[0013] (2) The nut positioning structure design enables the motor shaft to drive the circular lens positioning fixture to rotate, and multiple fixtures can be replaced at the same time.

[0014] (3) When the circular lens positioning fixture does not have a positioning groove of non-standard size, the front and rear fine-tuning can be performed through the fixture positioning through hole to reduce processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the circular lens positioning fixture structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the stepping motor of the utility model.

[0019] In the figure: 1. base; 2. circular lens positioning fixture; 3. positioning groove; 4. circular positioning hole; 5. cylindrical groove; 6. positioning through hole; 7. drive motor; 8. drive motor output shaft. Specific embodiments

[0020] The present invention will be described in detail below through specific examples. These examples are provided in order to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art. As mentioned throughout the specification and claims, "including" or "comprising" is an open term and is interpreted as "including but not limited to". The subsequent description of the specification is a preferred embodiment of the present invention, but the description is for the purpose of the general principles of the specification and is not intended to limit the scope of the present invention. The scope of protection of the present invention shall be determined by the definition of the attached claims.

[0021] like Figure 1 and Figure 2As shown, the circular lens multi-size automatic rotating positioning fixture for ink coating machine comprises a base 1, a circular lens positioning fixture 2 and a driving motor 7; the circular lens positioning fixture 2 has a square cross section; a circular positioning hole 4 is provided at one end of the base 1; positioning grooves 3 are symmetrically provided on each side of the circular lens positioning fixture 2; the central area of ​​the circular lens positioning fixture 2 is connected to the outer edge of the circular positioning hole 4 and is fixedly connected to the end of the output shaft of the driving motor 7. Figure 2 and Figure 3 As shown, the circular positioning hole 4 of the utility model adopts a circular positioning convex through-hole structure; a cylindrical groove 5 is provided at the central area of ​​the circular lens positioning fixture 2 corresponding to the circular positioning hole 4; the outer edge of the circular positioning hole 4 is plugged into the inner wall of the cylindrical groove 5. Figure 4 As shown, the utility model is provided with several rows of fixture positioning through holes 6 at the other end of the base 1. Figure 1 and Figure 3 As shown, the extended line of the angular bisector of the positioning groove 3 passes through the geometric center of the circular lens positioning fixture 2. The base 1 of the utility model is fixedly sleeved with the output shaft 8 of the driving motor through the circular positioning hole 4; the output shaft 8 of the driving motor is fixedly connected with the circular lens positioning fixture through a nut.

[0022] The base 1 of the utility model is fixed on the pneumatic device of the automatic ink coating machine through the circular positioning hole 4. The base 1 has a circular positioning convex through hole for connecting the output shaft of the driving motor and the circular lens positioning fixture 2. The driving motor adopts 90° stepping, and the 4 sizes of fixtures are switched automatically, and the installation position has four locking threads for easy fixation.

[0023] like Figure 1 and Figure 3 As shown, the circular lens positioning fixture 2 can be upgraded with positioning grooves of more sizes according to actual needs. The design principle is: the 3-angle bisector of the positioning groove can pass through the geometric center of the circular lens positioning fixture 2, and the automatic rotation of the fixture can be achieved by matching a customized drive motor.

[0024] Two "automatic rotating positioning fixtures for circular lenses of multiple sizes" of the utility model are symmetrically installed on the pneumatic device of the automatic ink coating machine with the original vacuum rotating suction head of the ink coating machine (that is, two "automatic rotating positioning fixtures for circular lenses of multiple sizes" are required to be used at the same time), and the "circular lens positioning fixture" is rotated by controlling the number of steps per revolution of the "stepping motor". The two circular lens positioning fixtures are rotated at the same time to switch positioning grooves of various specifications, and then the two circular lens positioning fixtures are pushed forward by the pneumatic device of the automatic ink coating machine, so that the positioning grooves on the two circular lens positioning fixtures clamp and position the circular lenses at the same time, and the circular lenses are adsorbed after being positioned, and the ink coating machine performs ink coating operation on the positioned circular lenses.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-size automatic rotating positioning fixture for circular lenses used in ink coating machines, characterized in that: The invention comprises a base (1), a circular lens positioning fixture (2) and a driving motor (7); the circular lens positioning fixture (2) has a square cross section; a circular positioning hole (4) is provided at one end of the base (1); positioning grooves (3) are symmetrically provided on each side of the circular lens positioning fixture (2); the central area of ​​the circular lens positioning fixture (2) is connected to the outer edge of the circular positioning hole (4) and is fixedly connected to the end of the output shaft of the driving motor (7).

2. The multi-size automatic rotating positioning fixture for circular lenses for ink coating machines according to claim 1, characterized in that: The circular positioning hole (4) adopts a circular positioning convex through-hole structure; a cylindrical groove (5) is provided in the central area of ​​the circular lens positioning fixture (2) at a position corresponding to the circular positioning hole (4); and the outer edge of the circular positioning hole (4) is plugged into the inner wall of the cylindrical groove (5).

3. The multi-size automatic rotating positioning fixture for circular lenses used in ink coating machines according to claim 2, characterized in that: Several rows of fixture positioning through holes (6) are provided at the other end of the base (1).

4. The multi-size automatic rotating positioning fixture for circular lenses used in ink coating machines according to claim 3, characterized in that: The extension line of the angular bisector of the positioning groove (3) passes through the geometric center of the circular lens positioning fixture (2).

5. The multi-size automatic rotating positioning fixture for circular lenses used in ink coating machines according to claim 4, characterized in that: The base (1) is fixedly sleeved with the output shaft (8) of the driving motor via a circular positioning hole (4); the output shaft (8) of the driving motor is fixedly connected with the circular lens positioning fixture via a nut.

Images