CN219901862U - Lens clamping mechanism and lens laminating device - Google Patents

Abstract

The utility model belongs to the technical field of lenses, and discloses a lens clamping mechanism and a lens laminating device, wherein the lens clamping mechanism comprises: a support part; a driving member disposed on the supporting portion; and the clamping ends of the clamping pieces are provided with inwardly concave contact parts. According to the lens clamping mechanism, the two clamping pieces are driven to move relatively through the driving piece so as to clamp the side edges of the lens, and the inward concave contact parts are arranged at the clamping ends of the clamping pieces, so that the stability of clamping the side edges of the lens can be ensured, and the influence on the 3D curved surface and the active surface of the lens is avoided.

Description

Lens clamping mechanism and lens laminating device

Technical Field

The utility model relates to the technical field of lenses, in particular to a lens clamping mechanism and a lens attaching device.

Background

As shown in fig. 1, a schematic structure of a raw material lens is shown, in which one surface is an active surface, and the other surface is a 3D curved surface, and in which the active surface is a plane, that is, a bonding surface, generally used for contact bonding with other components, so that during the processing and transferring process of the lens, the surface is a non-contact surface, and the 3D curved surface is a functional surface, for example, an enlarging effect, a shrinking effect, etc., so that the raw material lens cannot be used as an operation surface, that is, an acting force cannot be applied to the active surface and the 3D curved surface of the raw material lens.

In order to guarantee the effort of centre gripping, among the prior art fixture can generally apply force above-mentioned active surface and 3D curved surface, accomplish the centre gripping action, for example chinese patent (CN 218575798U) discloses a lens fixture to specifically disclose "including bottom plate and clamping lever, the upper surface of bottom plate is close to the position of both sides and is vertical two curb plates of being fixed with respectively, and the opposite face of two curb plates is fixed with the fixed column, and the fixed column has been kept away from the one end of curb plate and has been seted up the rotary tank, and the inside rotation in rotary tank has the dwang, and the side of dwang is provided with location structure, and one side and fixed column of location structure keep away from a side swing joint of curb plate, and one side that the dwang kept away from the fixed plate has been seted up the movable tank, and the inside activity of movable tank has the movable lever, is provided with fixed structure on the movable lever, and one side and the inner wall swing joint of fixed structure, and the movable lever is kept away from the terminal surface of movable lever and is kept away from the lens", and above-mentioned lens fixture mainly keeps away from the two opposite faces of lens through two opposite clamping lever and carries out the active surface and 3D curved surface to cause the damage to the follow-up lens, and the subsequent active surface to cause easily.

Disclosure of Invention

The utility model aims to provide a lens clamping mechanism and a lens laminating device, which can clamp the side edge of a lens to complete clamping action.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a lens clamping mechanism, comprising:

a support part;

a driving member disposed on the supporting portion;

and the clamping ends of the clamping pieces are provided with inwardly concave contact parts.

Preferably, the contact portion has a V-shaped cross section.

Preferably, the clamping end of the clamping piece is provided with a glue wrapping layer.

Preferably, the support part includes a base and a main support located below the base, and the main support is connected to the base through a linear bearing and a moving shaft so as to be movable up and down with respect to the base.

Preferably, an elastic piece is arranged on the moving shaft, and two ends of the elastic piece are respectively abutted against the base and the main support piece.

Preferably, the lens clamping mechanism further comprises an adjusting part arranged on the supporting part to adjust the maximum unfolding distance between the two clamping pieces.

Preferably, the adjusting section includes:

the abutting piece is positioned on the clamping piece;

the adjusting support is connected with the supporting part;

the adjusting piece is arranged on the adjusting support and corresponds to the clamping pieces one by one, the adjusting piece can move relative to the adjusting support so as to adjust the distance between the adjusting piece and the driving piece, and the abutting piece can move along with the clamping pieces and abut against the adjusting piece so as to reach the maximum unfolding distance of the clamping pieces.

Preferably, the adjusting member is an adjusting screw, and the adjusting member is in threaded connection with the adjusting support.

Preferably, the lens holding mechanism further comprises:

the lamp support is connected with the support part, and the adjusting support is arranged on the lamp support;

and the backlight lamp is arranged on the lamp support and is positioned below the driving piece, and the clamping piece is provided with an avoidance space for placing the backlight lamp.

The utility model also discloses a lens attaching device which comprises the lens clamping mechanism.

The utility model has the beneficial effects that:

according to the lens clamping mechanism, the two clamping pieces are driven to move relatively through the driving piece so as to clamp the side edges of the lens, and the inward concave contact parts are arranged at the clamping ends of the clamping pieces, so that the stability of clamping the side edges of the lens can be ensured, and the influence on the 3D curved surface and the active surface of the lens is avoided.

Drawings

FIG. 1 is a schematic view of a lens structure in the background art;

FIG. 2 is a schematic view of a lens holding mechanism according to the present utility model;

FIG. 3 is a schematic view of another view of the lens holding mechanism according to the present utility model.

In the figure:

100. a lens;

1. a support part; 101. a base; 102. a main support;

2. a driving member;

3. a clamping member; 301. a contact portion;

4. a linear bearing;

5. a movable shaft;

6. an adjusting section; 601. a stopper; 602. adjusting the support; 603. an adjusting member;

7. a lamp support;

8. a backlight.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

Referring to fig. 2-3, a lens holding mechanism is disclosed in this embodiment, comprising: the device comprises a supporting part 1, a driving piece 2 and a clamping piece 3, wherein the supporting part 1 is used for bearing other parts and can be connected with external equipment in a matching way; the driving member 2 is disposed on the supporting portion 1, more specifically, the driving member 2 is fixedly connected to the supporting portion 1; the two clamping members 3 in this embodiment include two clamping members 3, and the two clamping members 3 are connected to the driving member 2, and can perform relative movement by driving of the driving member 2 to clamp the lens 100 or release the lens 100, that is, it can be understood that when the two clamping members 3 move in opposite directions, the lens 100 can be clamped, and when the two clamping members 3 move in opposite directions, the lens 100 can be released. The clamping end of the clamping member 3 has an inwardly concave contact portion 301, and it can be appreciated that since the cross section of the lens 100 is generally circular, the side edge of the lens is also arc-shaped, and the contact portion 301 can enable the lens 100 to obtain a larger contact area with the clamping end of the clamping member 3, so as to improve the clamping stability.

In the lens clamping mechanism in this embodiment, the driving member 2 can drive the two clamping members 3 to move back to back in advance, so that the distance between the two clamping members 3 can accommodate the lens 100, then the lens clamping mechanism can enable the clamping members 3 to approach the lens 100 through an external device, the driving member 2 drives the two clamping members 3 to move back to back so as to clamp the side edge of the lens 100, then the lens clamping mechanism is transferred to the attaching processing area through the external device, and the driving member 2 drives the two clamping members 3 to move back to back so as to release the lens 100, so that the whole clamping action is completed.

In the lens clamping mechanism of the present embodiment, the driving member 2 drives the two clamping members 3 to move relatively so as to clamp the side edge of the lens 100, and since the clamping end of the clamping member 3 is provided with the contact portion 301 recessed inwards, the stability of clamping the side edge of the lens 100 can be ensured, thereby avoiding affecting the 3D curved surface and the active surface of the lens 100.

Specifically, in the present embodiment, the cross section of the contact portion 301 is V-shaped, and since the size of the contact portion 301 is generally determined, and there is uncertainty in the size of the lens 100, by arranging the cross section of the contact portion 301 in V-shape and arranging the contact portion in arc-shaped recess, the lens 100 with different sizes can be adapted as much as possible, and the processing is easier.

Specifically, in this embodiment, the clamping end of the clamping member 3 is provided with a glue coating layer. It can be appreciated that by providing the glue wrapping layer at the clamping end of the clamping member 3, damage to the lens 100 can be reduced as much as possible, and the yield can be improved.

Specifically, in the present embodiment, the support portion 1 includes a base 101 and a main support 102, the main support 102 being located below the base 101, the main support 102 being connected to the base 101 through a linear bearing 4 and a moving shaft 5 so as to be movable up and down with respect to the base 101. More specifically, the base 101 may be provided with a connection groove, and preferably, the connection groove may have a circular cross section, so that the entire rotation action of the mechanism can be achieved when the docking with an external device is performed; illustratively, the circumferential sides of the main support 102 may be provided with a number of weight-loss channels to facilitate movement of the main support itself relative to the base 101. By providing the linear bearing 4 and the moving shaft 5, the main support 102 can obtain a certain degree of freedom. The linear bearing 4 and the movable shaft 5 are configured in the prior art, and therefore, a more specific configuration will not be described here.

Preferably, the movable shaft 5 is provided with an elastic member (not shown in the figure), and the elastic member is sleeved on the movable shaft 5, and two ends of the elastic member respectively abut against the base 101 and the main support 102. It can be understood that when the lens holding mechanism releases the lens 100 to the fitting area, the lens 100 may bear upward force due to the movement of the lens holding mechanism from top to bottom, and by providing the elastic member, the force can be transmitted to the elastic member when the lens 100 is stressed, so as to provide a certain buffering effect for the lens 100.

Specifically, in the present embodiment, the lens holding mechanism further includes an adjusting portion 6, and the adjusting portion 6 is provided on the supporting portion 1 to adjust the maximum deployment distance between the two holding members 3. It will be appreciated that by providing the adjustment portion 6, the clip 3 is enabled to accommodate lenses 100 of different sizes, thereby improving the breadth of applicability.

More specifically, the adjusting part 6 includes an abutment member 601, an adjusting support 602, and an adjusting member 603, wherein the abutment member 601 is located on the clamping member 3 and is fixedly connected with the clamping member 3; the adjustment support 602 is connected to the main support 102 so as to be able to move synchronously with the main support 102; the adjusting members 603 are arranged on the adjusting support 602 and are in one-to-one correspondence with the clamping members 3, the adjusting members 603 can relatively adjust the distance between the adjusting members 603 and the driving member 2 so as to adjust the distance between the adjusting members 603 and the driving member 2, and the abutting members 601 can move along with the clamping members 3 and abut against the adjusting members 603 so as to achieve the maximum unfolding distance of the clamping members 3. That is, it can be understood that the two clamps 3 move in opposite directions under the driving of the driving member 2, and when the abutting member 601 on the clamps 3 abuts the adjusting member 603, the two clamps 3 move to the maximum deployment distance.

Preferably, the adjusting member 603 is an adjusting screw, and the adjusting member 603 is in threaded connection with the adjusting support 602, and it can be known that the adjusting member is adjusted by the adjusting screw, so that the adjusting member is simple to install, is beneficial to processing, and is easier to operate and adjust.

Specifically, in this embodiment, the lens clamping mechanism further includes a lamp support 7 and a backlight 8, the lamp support 7 is connected to the main support 102, and the adjusting support 602 may also be disposed on the lamp support 7; the backlight 8 is arranged on the lamp support 7 and is positioned below the driving member 2, and the clamping member 3 has a avoiding space for placing the backlight 8, that is, the backlight 8 can cover the lens 100 clamped by the clamping member 3. It will be appreciated that by providing the backlight 8, the external CCD device can be used to position the lens 100 to facilitate the clamping action. The holding members 3 may have a shape of corresponding to each other so as to form a space for accommodating the backlight 8.

Example two

The present embodiment discloses a lens 100 attaching device, which includes the lens clamping mechanism of the first embodiment. The base 101 of the first embodiment can be connected to an external moving device to clamp the lens 100 by the lens clamping mechanism to complete the transferring operation of the lens 100.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A lens holding mechanism, comprising:

a support (1);

a driving member (2), the driving member (2) being disposed on the supporting portion (1);

the clamping pieces (3) are connected with the driving pieces (2), the two clamping pieces (3) can clamp the lens or release the lens through relative movement of the driving pieces (2), and the clamping ends of the clamping pieces (3) are provided with inwards concave contact parts (301).

2. The lens holding mechanism according to claim 1, wherein the contact portion (301) is V-shaped in cross section.

3. Lens clamping mechanism according to claim 1, characterized in that the clamping end of the clamping member (3) is provided with a glue coating.

4. The lens clamping mechanism according to claim 1, wherein the support (1) comprises a base (101) and a main support (102), the main support (102) being located below the base (101), the main support (102) being connected to the base (101) by means of a linear bearing (4) and a displacement shaft (5) so as to be movable up and down with respect to the base (101).

5. Lens clamping mechanism according to claim 4, characterized in that the moving shaft (5) is provided with an elastic element, and two ends of the elastic element are respectively abutted against the base (101) and the main support (102).

6. Lens clamping mechanism according to any of claims 1-5, further comprising an adjustment portion (6), said adjustment portion (6) being arranged on said support portion (1) for adjusting the maximum deployment distance between two of said clamping members (3).

7. The lens clamping mechanism according to claim 6, wherein the adjustment portion (6) comprises:

a stop (601), the stop (601) being located on the clamp (3);

an adjustment support (602), the adjustment support (602) being connected to the support (1);

the adjusting piece (603), adjusting piece (603) set up on adjusting support (602), and with clamping piece (3) one-to-one, adjusting piece (603) can be relative adjusting support (602) activity, with adjust its own relative distance of driving piece (2), support piece (601) can follow clamping piece (3) motion and butt adjusting piece (603), in order to reach clamping piece (3) maximum expansion distance.

8. The lens clamping mechanism according to claim 7, wherein the adjustment member (603) is an adjustment screw, the adjustment member (603) being threadedly connected to the adjustment support (602).

9. The lens holding mechanism of claim 7 or 8, wherein the lens holding mechanism further comprises:

a lamp support (7), the lamp support (7) being connected to the support (1), the adjustment support (602) being arranged on the lamp support (7);

the backlight (8), backlight (8) set up on lamp support (7) and be located the below of driving piece (2), holder (3) have the space of dodging that supplies backlight (8) to place.

10. A lens fitting device comprising a lens holding mechanism as claimed in any one of claims 1 to 9.