CN204843929U - A rotating and fixing device for an adjustable spectacle frame - Google Patents

Abstract

The utility model discloses a rotary fixing device of adjustable spectacle-frame, including the base, with the reduction gear of base fixed connection, with the U-shaped bent axle of reduction gear output shaft transmission connection, link firmly a pair of spectacle-frame anchor clamps to U-shaped bent axle, spectacle-frame anchor clamps include the movable fixture head, connecting block, forked tail rectangular seat and the cylinder that set gradually from top to bottom, still include the pull rod that runs through spectacle-frame anchor clamps, movable fixture head includes four movable blocks that are the components of a whole that can function independently setting, the utility model discloses a movable assembly together of a pair of spectacle-frame anchor clamps along the rectangular hole direction of forked tail rectangular seat, can be according to the distance regulation distance of two spectacle-frames; the side surface of the inverted trapezoidal table is matched with the inclined surface of the concave pit to drive the four movable blocks to move outwards in a separating way, so that the size of the glasses frame can be adjusted; the whole glasses frame clamp is arranged on a U-shaped crankshaft of the speed reducer, and the direction of the glasses frame can be adjusted to facilitate processing.

Description

A rotating and fixing device for an adjustable spectacle frame

technical field

The utility model belongs to the field of glasses processing devices, in particular to a rotating and fixing device for adjustable glasses frames.

Background technique

In the process of processing glasses, the glasses factory needs to use fixtures to fix the glasses frames to facilitate processing. Because there are many styles of glasses, the shapes and sizes of each glasses frame are different. Since the fixtures cannot be used universally, the glasses factory must provide each It is necessary to develop special fixtures for different spectacle frames, which will cause high production costs for spectacle manufacturers. In addition, during the processing process, the orientation and angle of the spectacle frames need to be rotated to facilitate processing. The current fixtures do not have the rotation function.

Utility model content

In order to overcome the deficiencies in the prior art, the utility model provides a rotatable universal adjustable spectacle frame rotation fixing device.

The utility model solves the problems of the technologies described above through the following technical solutions:

A rotating and fixing device for an adjustable spectacle frame is used to fix and rotate the spectacle frame, including a base, a reducer fixedly connected to the base, a U-shaped crankshaft connected to the output shaft of the reducer, and a U-shaped crankshaft fixedly connected to the U-shaped crankshaft. For the spectacle frame fixture, the spectacle frame fixture includes a movable fixture head, a connecting block, a dovetail strip seat and an air cylinder arranged in sequence from top to bottom, and also includes a pull rod that runs through the spectacle frame fixture, and the movable fixture head includes four The split movable block, the pull rod is inserted between the four movable blocks, the top of the pull rod is located in the middle of the four movable blocks, and an inverted trapezoidal table is arranged to drive the four movable blocks for outward separation movement, and the U The crankshaft is fixed between the dovetail strip seat and the cylinder, and the telescoping head of the cylinder is connected with the pull rod.

More specifically, the movable fixture head is provided with a pit that cooperates with the inverted trapezoidal table, and the side of the inverted trapezoidal table cooperates with the slope of the pit to drive the four movable blocks to perform outward separation.

More specifically, the movable clamp head is provided with an annular closed spring that hoops the four movable blocks.

More specifically, the dovetail bar seat is provided with two through elongated holes, and the pull rod passes through the elongated holes, and the pair of spectacle frame clamps are along the length of the dovetail bar seat. Assembled together movable in the direction of the bar hole.

The beneficial effect of the utility model is that a pair of spectacle frame clamps of the utility model are movable and assembled together along the direction of the long hole of the dovetail strip seat, and the distance can be adjusted according to the distance between the two spectacle frames; The slope of the pit cooperates to drive the four movable blocks for outward separation movement, which can adjust the size of the spectacle frame; the entire spectacle frame fixture is installed on the U-shaped crankshaft of the reducer, and the orientation of the spectacle frame can be adjusted to facilitate processing. In summary, this The device has more powerful and rich functions than ordinary fixtures.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the decomposed structure of the spectacle frame clamp of the present invention.

Detailed ways

The preferred embodiments of the utility model are given below in conjunction with the accompanying drawings to describe the technical solution of the utility model in detail.

As shown in Figure 1, a rotating and fixing device for an adjustable spectacle frame is used to fix and rotate the spectacle frame, including a base 1, a reducer 2 fixedly connected to the base 1, and a U-shaped crankshaft 3 connected to the output shaft of the reducer 2 , a pair of spectacle frame clamps 4 that are fixedly connected to the U-shaped crankshaft 3, and the spectacle frame clamps 4 include a movable clamp head 41, a connecting block 42, a dovetail strip seat 43 and a cylinder 44 that are sequentially arranged from top to bottom, and also include Through the pull rod 45 of the spectacle frame clamp 4, the movable clamp head 41 includes four movable blocks 410 arranged separately, the pull rod 45 is inserted between the four movable blocks 410, and the top of the pull rod 45 is located at the four In the middle of the movable block 410, there is an inverted trapezoidal platform 450 that drives the four movable blocks 410 to move outwards. The U-shaped crankshaft 3 is fixed between the dovetail strip seat 43 and the cylinder 44. Pull rod 45 is connected.

The movable fixture head 41 is provided with a pit 411 that cooperates with the inverted trapezoidal platform 450 , and the side of the inverted trapezoidal platform 450 cooperates with the slope of the concave pit 411 to drive the four movable blocks 410 to perform outward separation.

The movable clamp head 41 is provided with an annular closed spring that hoops the four movable blocks 410 .

The dovetail strip seat 43 is provided with two through strip holes 430, the pull rod 45 passes through the strip holes 430, and the pair of spectacle frame clamps 4 are arranged along the strip holes 430 of the dovetail strip seat. Orientation activities are assembled together.

working principle:

A pair of spectacle frame clamps 4 are movable and assembled together in the direction of the elongated hole 430 of the dovetail elongated seat 43, and the distance can be adjusted in the length direction of the elongated hole 430 according to the actual distance between the two spectacle frames to match glasses with different distances. Frame; when the pull rod 45 moves downward, the four movable blocks 410 can be driven to separate outwards by matching the sides of the inverted trapezoidal table 450 with the slope of the pit 411, expanding the area of the movable clamp head 41 to match the larger area. When the pull rod 45 moves upwards, the annular closed spring that hoops the four movable blocks 410 will drive the four movable blocks 410 to reset to match the smaller area of the spectacle frame; a pair of spectacle frame clamps 4 are installed on the reducer The U-shaped crankshaft 3 can adjust the orientation of the spectacle frame to facilitate processing.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present utility model, but these changes and modifications all fall within the protection scope of the present utility model.

Claims (4)

1. A rotating and fixing device for an adjustable spectacle frame, which is used to fix and rotate the spectacle frame, is characterized in that it includes a base, a reducer fixedly connected to the base, a U-shaped crankshaft connected to the output shaft of the reducer, and a fixed A pair of spectacle frame clamps to the U-shaped crankshaft. The spectacle frame clamps include a movable clamp head, a connecting block, a dovetail strip seat and an air cylinder that are sequentially arranged from top to bottom, and also include a pull rod that runs through the spectacle frame clamp. The movable The fixture head includes four movable blocks arranged separately, the pull rod is inserted between the four movable blocks, the top of the pull rod is located in the middle of the four movable blocks, and an inverted drive for driving the four movable blocks to move outward is provided. The trapezoidal platform, the U-shaped crankshaft is fixed between the dovetail strip seat and the cylinder, and the telescoping head of the cylinder is connected with the pull rod. 2. The rotation fixing device for adjustable spectacle frames according to claim 1, characterized in that, the movable fixture head is provided with a pit that cooperates with the inverted trapezoidal table, and the side of the inverted trapezoidal table is matched with the slope of the pit Drive four movable blocks for outward separation movement. 3. The rotation fixing device of adjustable spectacle frame according to claim 1, characterized in that, the movable clamp head is provided with an annular closed spring that hoops four movable blocks. 4. The rotation fixing device of adjustable spectacle frame according to claim 1, characterized in that, The dovetail strip seat is provided with two through strip holes, the pull rod passes through the strip holes, and the pair of spectacle frame clamps are movable and assembled together along the direction of the strip holes of the dovetail strip seat .