CN103472558A - Multifunctional optical lens device clamping tool - Google Patents

Abstract

This invention discloses a multifunctional optical lens clamping tool, comprising a base, a tension spring, a replaceable clamping head, and a pressure arm. The middle part of the pressure arm is hinged to the base via a pivot, and one end of the pressure arm has a pressure head. The replaceable clamping head is detachably inserted into the base and is provided with a positioning part that cooperates with the pressure head to clamp the optical lens. One end of the tension spring is connected to the base, and the other end of the tension spring is connected to the pressure arm. This invention can clamp lenses of various shapes and sizes, improving its versatility, providing uniform clamping, and saving costs.

Description

Multifunctional optical lens device holding tool

technical field

The invention relates to a multifunctional optical lens device clamping tool.

Background technique

At present, in the production and manufacture of lasers, many tiny lenses with different shapes and sizes are commonly used, and the commonly used ones are mainly cylindrical lenses and square lenses. When using these tiny lenses, a lot of tiny fixtures are often used. According to different uses in the R&D and production stages, it is often necessary to process special clamping tools of various sizes and shapes to realize the clamping and positioning of tiny lenses. If there is a universal multifunctional standard fixture, it will greatly reduce the number of fixture processing, thereby saving processing costs and improving production efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art, and provide a multifunctional optical lens device clamping tool, which can clamp lenses of various shapes and sizes, improve its versatility, and compress evenly, save costs.

The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: a multifunctional optical lens device clamping tool, which includes a base body, a tension spring, an interchangeable clamp head and a pressing arm, the middle part of the pressing arm is hinged on the base body through a rotating shaft, One end of the arm has a pressure head, and the interchangeable fixture head is detachably inserted on the base body, and the replaceable fixture head is provided with a positioning part, which cooperates with the pressure head to clamp the optical lens, and one end of the tension spring is connected On the base, the other end of the extension spring is connected to the pressing arm.

Further, the pressing head of the pressing arm has a circular arc surface structure, and the pressing head has a pressing contact line.

Further, the positioning part of the replaceable clamp head is a V-shaped groove structure.

Further, the groove direction of the positioning portion of the V-shaped groove structure is parallel to or perpendicular to the axial direction of the rotating shaft.

Further, the positioning part of the replaceable clamp head is a planar structure.

Further, the lower spring hanging pin is installed on the base, the upper tension spring hanging pin is installed on the pressing arm, one end of the extension spring is connected to the upper extension spring hanging pin, and the extension spring The other end is attached to the lower hanger pin.

Further, the base body is provided with an insertion hole for inserting the replaceable fixture head, and the base body is also provided with a locking split groove communicating with the insertion hole, and the base body is also threaded with a locking screw. The tightening screw passes through the locking splitting slot. When the locking screw is tightened, the locking splitting slot narrows, and at the same time the insertion hole shrinks radially to lock the replaceable fixture head. When the locking screw is loosened, the locking splitting The empty slot is widened, and the inserting hole is radially enlarged to loosen the replaceable clamp head.

Furthermore, the pressing arm is threadedly connected with two limit screws whose bottom ends can be abutted against the base body, and the two limit screws are respectively located on both sides of the rotating shaft.

After adopting above-mentioned technical scheme, the present invention has following beneficial effect:

1. The present invention adopts the tension of the extension spring as the pre-tightening force, and through the rotating shaft as the center hinge fulcrum, the compression effect on the optical lens is achieved under the tension of the extension spring, which can ensure that the pressure is consistent every time. Uniform pressing force;

2. The present invention adopts a replaceable fixture head structure, which is convenient for clamping optical lenses of various shapes and sizes, and can be used flexibly in the process of research and development or production;

3. The present invention adopts an indenter with a circular arc surface structure and has a pressure contact line to ensure that the pressing effect of any point of the indenter is a line contact, thereby avoiding over-positioning and reducing the clamping stress on the optical lens; The invention provides three structures of the pressure head of the interchangeable fixture head, which can realize the positioning mode of three points or one point and one side.

4. The present invention is also provided with two limit screws. The uppermost rotation position of the press arm relative to the base can be limited by the limit screw arranged on the pressing part of the press arm. The lowermost rotational position of the base.

Description of drawings

Fig. 1 is the structural representation of multifunctional optical lens device clamping tool of the present invention;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the perspective view of multifunctional optical lens device holding tool of the present invention;

Fig. 4 is the assembly explosion diagram of multifunctional optical lens device holding tool of the present invention;

Fig. 5 is a working principle diagram of the multifunctional optical lens device holding tool of the present invention;

Fig. 6 is a structural schematic diagram of the first structure of the replaceable clamp head of the present invention;

Fig. 7 is a structural schematic diagram of the second structure of the replaceable clamp head of the present invention;

Fig. 8 is a structural schematic diagram of the third structure of the replaceable clamp head of the present invention.

Detailed ways

In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

As shown in Figures 1 to 8, a multifunctional optical lens device clamping tool includes a base body 1, a tension spring 2, a replaceable clamp head 3 and a pressing arm 4, and the middle part of the pressing arm 4 is hinged on the base body 1 through a rotating shaft 6. Above, one end of the pressing arm 4 has a pressing head 4-1, the replaceable clamp head 3 is detachably inserted on the substrate 1, and the replaceable clamp head 3 is provided with a positioning part 3-1, and the positioning part 3- 1 cooperates with the pressure head 4-1 to clamp the optical lens, one end of the tension spring 2 is connected to the base 1, and the other end of the tension spring 2 is connected to the pressure arm 4. The present invention adopts the pulling force of the extension spring 2 as the pre-tightening force, and through the rotating shaft 6 as the center hinged fulcrum, under the pulling force of the extension spring 2, the optical lens can be compressed to ensure that the pressure is consistent every time. The pressing force is uniform; the present invention adopts the replaceable fixture head 3 structure, which is convenient for clamping optical lenses of various shapes and sizes, and can be used flexibly in the process of research and development or production;

As shown in Figure 1, the pressure head 4-1 of the pressure arm 4 has a circular arc surface structure, and the pressure head 4-1 has a pressure contact line. In this way, it can be ensured that the pressing action of the indenter 4-1 at any point is in line contact, thereby avoiding over-positioning and reducing the clamping stress on the optical lens.

As shown in Figure 4, the lower spring hanging pin 7 is installed on the base body 1, the upper tension spring hanging pin 8 is installed on the pressing arm 4, one end of the extension spring 2 is connected on the upper extension spring hanging pin 8, and the other end of the extension spring Connected on the lower spring hanger pin 7.

As shown in Figure 4, the substrate 1 is provided with an insertion hole 1-1 for inserting the replaceable fixture head 3, and the substrate 1 is also provided with a locking split groove 1-3 communicating with the insertion hole. Also be connected with locking screw 5 by screw thread, this locking screw 5 passes through locking and splitting hollow groove 1-3, when tightening locking screw 5, locking and splitting hollow groove 1-3 narrows, and inserting hole 1 simultaneously -1 shrinks radially to lock the interchangeable fixture head 3, when the locking screw 5 is loosened, the locking split groove 1-3 is widened, and at the same time the insertion hole 1-1 is radially enlarged to loosen the interchangeable fixture head 3.

As shown in FIG. 4 , the pressing arm 4 is threadedly connected with two limit screws 9 whose bottom ends can be abutted against the base body 1 , and the two limit screws 9 are respectively located on both sides of the rotating shaft 6 . The uppermost rotation position of the pressing arm 4 relative to the base 1 can be limited by the limit screw 9 arranged on the pressing part of the pressing arm 4, and the lower limit rotation of the pressing arm 4 relative to the base 1 can be limited by another limit screw 9 Location.

As shown in FIG. 6 , the positioning portion 3 - 1 of the replaceable clamp head 3 may be a V-shaped groove structure, and the groove direction of the positioning portion 3 - 1 of the V-shaped groove structure is parallel to the axial direction of the rotating shaft 6 . As shown in FIG. 7 , the positioning portion 3 - 1 of the replaceable clamp head 3 may be a V-shaped groove structure, and the groove direction of the positioning portion 3 - 1 of the V-shaped groove structure is perpendicular to the axial direction of the rotating shaft 6 . As shown in Figure 8, the positioning part 3-1 of the replaceable fixture head 3 can be a planar structure; the above three structures can realize the positioning method of three points or one point and one side of the present invention, but the structure of the positioning part 3-1 Not limited to the above three.

Work process of the present invention is as follows:

1. There are threaded holes 1-2 at the back of the base body 1, and the threaded holes 1-2 at the back of the base body 1 are used to connect with other adjustment frames;

2. The rear end of the pressing arm 4 is provided with a handle 4-2, press the handle A by hand, and lift the pressing arm 4;

3. Put the required optical lens into the positioning part 3-1 (V-shaped groove or plane), then gently put down the pressing arm 4, under the tension of the tension spring 2, the pressing arm 4 will press the used optical lens tightly ;

4. Adjust the optical lens device in the optical path by adjusting the adjustment frame.

The specific embodiments described above have further described the technical problems, technical solutions and beneficial effects solved by the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. a multifunctional optical lens device clamping device, it is characterized in that: it comprises matrix (1), extension spring (2), interchangeable clamp head (3) and pressure arm (4), the middle part of pressure arm (4) is hinged on matrix (1) by rotating shaft (6), one end of pressure arm (4) has pressure head (4-1), interchangeable clamp head (3) is inserted on matrix (1) removably, and be provided with location division (3-1) on interchangeable clamp head (3), this location division (3-1) coordinates in order to clamp optical lens with pressure head (4-1), one end of extension spring (2) is connected on matrix (1), the other end of extension spring (2) is connected on pressure arm (4).

2. multifunctional optical lens device clamping device according to claim 1 is characterized in that: the pressure head (4-1) of described pressure arm (4) is the arc surface structure, and has on pressure head (4-1) to press and touch line.

3. multifunctional optical lens device clamping device according to claim 1 and 2 is characterized in that: the location division (3-1) of described interchangeable clamp head (3) is V-type groove structure.

4. multifunctional optical lens device clamping device according to claim 3, it is characterized in that: the groove of the location division (3-1) of described V-type groove structure is to the axially parallel with rotating shaft (6) or vertical.

5. multifunctional optical lens device clamping device according to claim 1 and 2 is characterized in that: the location division (3-1) of described interchangeable clamp head (3) is planar structure.

6. multifunctional optical lens device clamping device according to claim 1 and 2, it is characterized in that: tension spring is installed on described matrix (1) and hangs pin (7), extension spring is installed on described pressure arm (4) and hangs pin (8), one end of described extension spring (2) is connected to extension spring and hangs pin (8) above, and the other end of described extension spring is connected to tension spring and hangs on pin (7).

7. multifunctional optical lens device clamping device according to claim 1 and 2, it is characterized in that: the plug-in opening (1-1) that has the interchangeable clamp head of plug-in mounting (3) on described matrix (1), also have the locking be communicated with plug-in opening on matrix (1) and split dead slot (1-3), also be threaded connection lock-screw (5) on matrix (1), this lock-screw (5) is split dead slot (1-3) through locking, when tightening lock-screw (5), locking is split dead slot (1-3) and is narrowed, plug-in opening (1-1) radial shrinkage is in order to lock interchangeable clamp head (3) simultaneously, when unscrewing lock-screw (5), locking is split dead slot (1-3) and is relaxed, plug-in opening (1-1) radially amplifies in order to unclamp interchangeable clamp head (3) simultaneously.

8. multifunctional optical lens device clamping device according to claim 1 and 2, it is characterized in that: be threaded connection two bottoms on described pressure arm (4) and can be connected to the stop screw (9) on matrix (1), and two stop screws (9) lay respectively at the both sides of rotating shaft (6).

Images