CN220903892U

CN220903892U - Lens milling handle device

Info

Publication number: CN220903892U
Application number: CN202322544619.6U
Authority: CN
Inventors: 周杨; 俞灿强
Original assignee: Xiamen Tanuo Optical Technology Co ltd
Current assignee: Xiamen Tanuo Optical Technology Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-07
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a lens handle milling device, which comprises a base, a female die and a cutter assembly; the female die is rotatably arranged on the base through a rotating mechanism and comprises a left die clack and a right die clack which move relatively, a lens groove for placing a lens is formed between the left die clack and the right die clack, and the left die clack and the right die clack are close to or far away from each other so that the diameter of the lens groove is reduced or enlarged to clamp or unclamp the lens; the cutter assembly comprises a cutter head and a lifting mechanism, the lifting mechanism drives the cutter head to descend to the periphery of the lens, and the cutter head is matched with the rotation of the female die to mill the lens. The movable mold halves clamp and fix the lens without additional pressing blocks, so that the damage or scratch of the surface of the lens by the pressing blocks can be effectively avoided, the product quality is improved, and the rejection rate of the product is reduced; the lifting tool bit is matched with the rotatable female die, so that the milling handle time can be shortened, and the production efficiency is improved.

Description

Lens milling handle device

Technical Field

The utility model relates to the technical field of lens processing, in particular to a lens handle milling device.

Background

Various lenses such as a sunglass lens, a myopia lens, a presbyopic lens and the like are formed by injection molding through a mold, so that the lenses are not scratched when the lenses are taken out after the mold is opened, and the lenses are convenient to clamp when the lenses are subjected to reinforced dyeing subsequently, and the lens mold is provided with a handle structure during design. Therefore, the lens formed by injection molding inevitably has a handle, and after a series of production processes are completed on the lens, the redundant handle structure needs to be removed, so that the lens needs to be subjected to handle milling.

In the prior art, the lens is milled and held by directly fixing the lens, then the cutter is cut from the position above which is aligned with the handle, namely, the lens is firstly placed into a female die with a fixed size, then the center of the lens is pressed down by a top pressing block, so that the lens is fixed, and then the cutter is driven to move downwards, so that the lens handle is cut.

The handle cutting mode has the following problems:

Because the briquetting is direct to the lens surface, if the pressure is too big then cause the pressure to the lens surface very easily, and if the tool bit is than the handle hour, need remove the tool bit and just can get rid of the handle structure completely, increased adjustment time, simultaneously because the rotation about probably because rotatory dynamics causes the lens to rotate and produce frictional force to produce the grinding with between the briquetting, the lens surface is injured in the grinding, causes the lens outward appearance quality bad, and then leads to the disability rate of too high.

Disclosure of utility model

The utility model aims to provide a lens handle milling device which has higher production efficiency, is not easy to damage the surface of a lens, improves the quality of products and reduces the rejection rate of the products.

To achieve the above object, the solution of the present utility model is: a lens milling handle device comprises a base, a female die and a cutter assembly;

the female die is rotatably arranged on the base through a rotating mechanism and comprises a left die clack and a right die clack which move relatively, a lens groove for placing a lens is formed between the left die clack and the right die clack, and the left die clack and the right die clack are close to or far away from each other so that the diameter of the lens groove is reduced or enlarged to clamp or unclamp the lens;

The cutter assembly comprises a cutter head and a lifting mechanism, the lifting mechanism drives the cutter head to descend to the periphery of the lens, and the cutter head is matched with the rotation of the female die to mill the lens.

Further, a handle groove for accommodating the handle of the lens is formed between the left die and the right die, and the handle groove is communicated with the lens groove.

Further, a milling handle groove is formed at the joint of the periphery of the lens groove and the handle groove, and the cutter head descends into the milling handle groove.

Further, at least one of the left and right petals is a moving petal, the other is a fixed petal, and the moving petal is moved toward or away from the fixed petal to clamp or unclamp the lens.

Further, the bottom of die is equipped with clamping mechanism, clamping mechanism carries on rotary mechanism, and clamping mechanism includes fixing base and linear drive motor, and the fixed die lamella is fixed to be set up at the fixing base, and the removal die lamella is connected with linear drive motor's output, is close to or keeps away from the fixed die lamella by linear drive motor drive.

Further, the rotating mechanism is a servo motor, the servo motor is fixed on the base, and the output end of the servo motor is connected with the female die so as to drive the female die to rotate.

Further, the lifting mechanism comprises a lifting cylinder, and the output end of the lifting cylinder is connected with the cutter head and drives the cutter head to lift.

After the scheme is adopted, the beneficial effects of the utility model are as follows:

The utility model designs the concave die into a movable left die and a movable right die, the lens is placed into the concave die, the die moves to press and buckle the periphery of the lens, so that the lens is fixed in the concave die, the concave die is rotatably arranged on the base, the cutter assembly is started, the cutter head moves downwards to the periphery of the lens, and meanwhile, the rotating mechanism drives the concave die to rotate, so that the lens rotates around the cutter head, and the handle structure of the lens is completely removed, so that the milling handle has higher production efficiency.

The movable mold halves clamp and fix the lens without additional pressing blocks, so that the damage or scratch of the surface of the lens by the pressing blocks can be effectively avoided, the product quality is improved, and the rejection rate of the product is reduced; the lifting tool bit is matched with the rotatable female die, so that the milling handle time can be shortened, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of a lens stem milling device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a lens stem milling device according to an embodiment of the present utility model;

FIG. 3 is a front view of the structure of a female mold of a lens stem milling device according to an embodiment of the present utility model;

FIG. 4 is a perspective view of the structure of a female die of a lens stem milling device according to an embodiment of the present utility model;

Fig. 5 is a schematic view of an unclamped lens structure according to an embodiment of the utility model.

Description of the reference numerals:

1. a base; 2. a female die; 21. a lens slot; 22. a handle groove; 23. milling a handle groove; 3. left mould flap; 4. a right die segment; 4. a cutter assembly; 41. a cutter head; 42. a lifting mechanism; 5. a rotation mechanism; 6. a clamping mechanism; 61. a fixing seat; 62. a linear driving motor; 7. a lens; 71. a handle.

Detailed Description

The utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a lens handle milling device, which is shown in figures 1 and 2 and comprises a base 1, a female die 2, a cutter assembly 4, a lifting mechanism 42, a rotating mechanism 5 and a clamping mechanism 6.

As shown in fig. 3 and 4, the female mold 2 includes a left mold half 3 and a right mold half 4 which are relatively moved, a lens groove 21 in which the lens 7 is placed is formed between the left mold half 3 and the right mold half 4, and the left mold half 3 and the right mold half 4 are moved toward or away from each other, so that the lens groove 21 is contracted or expanded to clamp or unclamp the lens 7 in the lens groove 21. The diameter of the lens slot 21 is universal to match the size of the conventional lens 7. As shown in fig. 5, is an unclamped lens 7. The female die 2 is rotatably arranged on the base 1 through the rotating mechanism 5, the cutter assembly 4 is positioned above the female die 2, is driven by the lifting mechanism 42, and is matched with the rotation of the female die 2 to mill the handle of the lens 7 below.

In order to allow the diameter of the lens groove 21 to be varied, at least one of the left and right petals 3, 4 is a moving petal, the other is a fixed petal, and the moving petal is moved toward or away from the fixed petal to clamp or unclamp the lens 7. After the lens 7 needing to be milled is clamped by the left die and the right die 4, the lens cannot move, and an additional pressing block is not needed for pressing and fixing, so that the surface of the lens 7 can be prevented from being damaged and scratched.

The bottom of the female die 2 is provided with a clamping mechanism 6, the clamping mechanism 6 is carried on the rotating mechanism 5, the clamping mechanism 6 comprises a fixed seat 61 and a linear driving motor 62, a fixed die is fixedly arranged on the fixed seat 61, a movable die is connected with the output end of the linear driving motor 62 and is driven by the linear driving motor 62 to approach or separate from the fixed die. In this embodiment, the left die 3 is a movable die, the right die 4 is a fixed die, and the output end of the linear driving motor 62 is connected to the left die 3 and drives the left die 3 to approach the right die 4, thereby clamping the lens 7. Alternatively, the left mold half 3 and the right mold half 4 may be respectively connected to a linear driving motor 62, so that the left mold half 3 and the right mold half 4 simultaneously move inward to clamp the lens 7, referring to fig. 1.

The rotating mechanism 5 may be any motor capable of driving an object to rotate, in this embodiment, a servo motor is used, the servo motor is fixed on the base 1, and an output end of the servo motor is connected with the female die 2, so as to drive the female die 2 to rotate.

The cutter assembly 4 comprises a cutter head 41 and a lifting mechanism 42, the lifting mechanism 42 comprises a lifting cylinder, the output end of the lifting cylinder is connected with the cutter head 41 and drives the cutter head 41 to lift, and the cutter head is matched with the rotation of the female die 2 to mill the handle of the lens 7, and reference is made to fig. 2.

Referring to fig. 1 and 2, a stem groove 22 for receiving a stem 71 of the lens 7 is formed between the left and right mold halves 3 and 4, and the stem groove 22 communicates with the lens groove 21. Since the female die 2 has the handle groove 22, when the lens 7 with the handle 71 is placed on the female die 2, the handle 71 can be embedded in the handle groove 22 instead of being suspended outside the female die 2, and when the cutter assembly 4 cuts the handle, the handle 7 is supported by the wall of the handle groove 22, so that slippage is not easy to occur, and the cutting is more accurate. A milling shank groove 23 is formed at the joint between the outer periphery of the lens groove 21 and the shank groove 22, and the cutter head 41 descends into the milling shank groove 23 to cut the shank 71 of the lens 7 in cooperation with the rotation of the die 2.

The lifting mechanism 42, the clamping mechanism 6 and the rotating mechanism 5 of the lens milling handle device are all connected with and controlled by a control system.

The working process of the lens handle milling device is as follows:

First, the left die 3 and the right die 4 are in an initial state, i.e., an unclamped state, the lens 7 with the handle 71 is placed in the female die 2 (refer to the state of fig. 1), the left die 3 is driven by the linear driving motor 62 to approach the right die 4, the periphery of the lens 7 is clamped, thereby fixing the lens 7 in the lens groove 21 of the female die 2, the lifting mechanism 42 is started, the lifting cylinder drives the cutter head 41 to move down into the handle milling groove 23, and simultaneously the rotating mechanism 5 drives the female die 2 to rotate, so that the lens rotates around the cutter head 41, and the lens handle structure is completely removed (refer to the state of fig. 2).

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

Meanwhile, the directions of front, rear, left, right, etc. in this embodiment are merely references to one direction, and do not represent directions in actual use. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above embodiments are only preferred embodiments of the present utility model, and are not limited to the present utility model, and all equivalent changes made according to the design key of the present utility model fall within the protection scope of the present utility model.

Claims

1. A lens mills handle device which characterized in that: comprises a base, a female die and a cutter assembly;

2. A lens stem milling apparatus as defined in claim 1, wherein: and a handle groove for accommodating the handle of the lens is formed between the left die and the right die, and the handle groove is communicated with the lens groove.

3. A lens stem milling apparatus as defined in claim 2, wherein: a milling handle groove is formed at the joint of the periphery of the lens groove and the handle groove, and the cutter head descends into the milling handle groove.

4. A lens stem milling apparatus as defined in claim 1, wherein: at least one of the left die and the right die is a movable die, the other is a fixed die, and the movable die approaches to or away from the fixed die so as to clamp or unclamp the lens.

5. A lens holder assembly as defined in claim 4, wherein: the bottom of die is equipped with clamping mechanism, clamping mechanism carries on rotary mechanism, and clamping mechanism includes fixing base and linear drive motor, and the fixed die lamella is fixed to be set up at the fixing base, and the removal die lamella is connected with linear drive motor's output, is driven by linear drive motor, is close to or keeps away from the fixed die lamella.

6. A lens stem milling apparatus as defined in claim 1, wherein: the rotating mechanism is a servo motor, the servo motor is fixed on the base, and the output end of the servo motor is connected with the female die so as to drive the female die to rotate.

7. A lens stem milling apparatus as defined in claim 1, wherein: the lifting mechanism comprises a lifting cylinder, the output end of the lifting cylinder is connected with the cutter head, and the cutter head is driven to lift.