CN215335411U

CN215335411U - Telecentric field lens base capable of adjusting laser beam lifting

Info

Publication number: CN215335411U
Application number: CN202121667451.2U
Authority: CN
Inventors: 刘为海; 刘鹏程; 钟贻鼎; 唐鸣鸣
Original assignee: Rugao Haipeng Optical Technology Co ltd
Current assignee: Rugao Haipeng Optical Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-28
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of telecentric field lenses, in particular to a telecentric field lens holder capable of adjusting the lifting of laser beams, which comprises a base, wherein a motor is arranged in the base, a support column is arranged at the top of the base, a slide block is connected in the support column in a sliding way, a threaded rod is connected in the support column in a rotating way and in threaded connection with the slide block, a moving plate is arranged at the left end of the slide block, baffles are symmetrically arranged at the left side of the moving plate, a connecting block is arranged between the two baffles, a fixed block is arranged at the left end of the connecting block, two annular blocks are arranged at the central position of the fixed block, and a telecentric field lens body is arranged between the two annular blocks. So as to adapt to the requirements of different measuring heights and angles and further improve the measuring efficiency.

Description

Telecentric field lens base capable of adjusting laser beam lifting

Technical Field

The utility model relates to the technical field of telecentric field lenses, in particular to a telecentric field lens base capable of adjusting the lifting of a laser beam.

Background

Telecentric lenses are high-end industrial lenses, generally of superior image quality, particularly suitable for dimensional measurement applications, where the maximum field of view of a telecentric lens is directly related to the proximity of the lens' diaphragm, since the larger the lens size, the larger the field required, at a given working distance, the same magnification will be after refocusing. The telecentric measurement lens can provide superior image quality, has smaller distortion than the traditional fixed-focus lens, and the optical design makes the image surface more symmetrical and can be matched with software to carry out precise measurement.

Telecentric field lenses in the prior art are mostly fixed on the lens base in the use process, the height and the angle cannot be adjusted, inconvenience is caused in the measurement process, and the measurement efficiency is further influenced. In view of this, we propose a telecentric field lens holder that can adjust the elevation of the laser beam.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a telecentric field lens base capable of adjusting the lifting of a laser beam.

The technical scheme of the utility model is as follows:

the utility model provides a telecentric mirror base that adjustable laser beam goes up and down, includes the base, the internally mounted of base has the motor, the top middle part of base is equipped with the support column, the inside sliding connection of support column has the slider, seted up on the support column with slider sliding connection's spout, the inside rotation of spout is connected with the threaded rod, the upper end of threaded rod is passed the slider and rather than threaded connection, the left end of slider is passed spout and fixedly connected with movable plate, bilateral symmetry is equipped with the baffle around the movable plate is left, two be equipped with the connecting block between the baffle, the left end of connecting block is equipped with the fixed block, the central point of fixed block puts sliding connection department's annular piece that has two symmetric distributions, two swing joint has telecentric mirror body between the annular piece.

As a preferred technical scheme, an output shaft of the motor sequentially penetrates through the top of the base and the bottom of the supporting column and is coaxially connected with the threaded rod.

As a preferable technical scheme, the connecting block is rotatably connected with the baffle through a rotating shaft.

As a preferable technical scheme, a bearing plate is arranged at a position close to the front side on the left side of the moving plate, a motor is arranged above the bearing plate, and one end of one of the rotating shafts penetrates through the baffle and is coaxially connected with an output shaft of the motor.

As an optimized technical scheme, two one sides, away from mutually, of the annular blocks are provided with limiting blocks, one sides, away from the limiting blocks, of the annular blocks are provided with connecting rods, and one ends, away from the limiting blocks, of the connecting rods penetrate through the outer walls of the fixing blocks and are provided with round blocks.

As an optimized technical scheme, the limiting block is fixedly connected with the fixed block through a spring, and the spring is sleeved outside the connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the threaded rod is driven to rotate through the motor output shaft, so that the sliding block moves in the sliding groove, the fixing block, the telecentric field lens body and other components are driven to integrally move upwards, the height adjustment of the telecentric field lens body is realized, the rotating shaft and the connecting block are driven to rotate through the motor, the fixing block, the telecentric field lens body and other components swing, the angle adjustment of the telecentric field lens body is realized, the requirements on different measured heights and angles are met, and the measuring efficiency is improved.

2. The distance between the two annular blocks is adjusted, so that the telecentric field lens body is convenient to fix and disassemble, and the assembly and disassembly efficiency of the telecentric field lens body is convenient to improve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is a schematic partial structural breakdown of the present invention;

fig. 5 is a partial structural schematic view of the fixing block of the present invention after being cut.

In the figure:

a base 1; a support column 2; a chute 21; a threaded rod 22; a moving plate 23; a slider 231; a baffle 232; a bearing plate 233; a motor 24; a motor 3; a fixed block 4; a connecting block 41; a rotating shaft 411; a telecentric field lens body 5; a ring block 6; a stopper 61; a connecting rod 611; a spring 62; a circular block 63.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a telecentric field lens base capable of adjusting the lifting of laser beams comprises a base 1, a motor 3 is arranged inside the base 1, a placing groove capable of containing the motor 3 is arranged inside the base 1, a supporting column 2 is arranged in the middle of the top of the base 1, a sliding block 231 is connected inside the supporting column 2 in a sliding manner, a sliding groove 21 connected with the sliding block 231 in a sliding manner is arranged on the supporting column 2, the left side of the sliding groove 21 is communicated with the outside, the right side of the sliding block 231 is of a fillet structure, the contact area between the sliding block 231 and the sliding groove 21 is reduced, the friction force between the sliding block 231 and the sliding groove 21 is reduced, the sliding block 231 can move inside the sliding groove 21 conveniently, a threaded rod 22 is rotatably connected inside the sliding groove 21, the upper end of the threaded rod 22 penetrates through the sliding block 231 and is in threaded connection with the sliding groove 231, the left end of the sliding block 231 penetrates through the sliding groove 21 and is fixedly connected with a moving plate 23, baffle plates 232 are symmetrically arranged on the front side and the back side of the left side of the sliding block 23, a connecting block 41 is arranged between the two baffles 232, a fixed block 4 is arranged at the left end of the connecting block 41, two annular blocks 6 which are symmetrically distributed are slidably connected at the central position of the fixed block 4, and a telecentric field lens body 5 is movably connected between the two annular blocks 6.

As the preferred of this embodiment, the output shaft of motor 3 passes the top of base 1 and the bottom of support column 2 in proper order and with threaded rod 22 coaxial coupling, be convenient for drive threaded rod 22 through the output shaft of motor 3 and rotate.

Preferably, in this embodiment, the connecting block 41 is rotatably connected to the baffle 232 through the rotating shaft 411, the bearing plate 233 is disposed at a position on the left side of the moving plate 23 and near the front side, the motor 24 is disposed above the bearing plate 233, and one end of one of the rotating shafts 411 passes through the baffle 232 and is coaxially connected to an output shaft of the motor 24, so that the output shaft of the motor 24 drives the rotating shaft 411 and the connecting block 41 to rotate, and the fixing block 4 and other components swing along with the rotating shaft, thereby facilitating the adjustment of the angle of the telecentric field lens body 5.

Preferably, as this embodiment, one side that two ring segments 6 deviate from each other all is equipped with stopper 61, one side that ring segment 6 was kept away from to stopper 61 is equipped with connecting rod 611, the one end that stopper 61 was kept away from to connecting rod 611 passes the outer wall of fixed block 4 and is equipped with circular block 63, be convenient for drive the removal of parts such as connecting rod 611 and stopper 61 through pulling circular block 63, thereby adjust the distance between two ring segments 6, it is worth explaining, the corresponding side of two ring segments 6 all is equipped with the sheet rubber, make two ring segments 6 when carrying out the centre gripping fixed to telecentric field lens body 5, multiplicable and telecentric field lens body 5 outer wall's frictional force, thereby avoid the position of telecentric field lens body 5 to take place the skew, reducible wearing and tearing that cause telecentric field lens body 5 outer wall.

Preferably as this embodiment, through spring 62 fixed connection between stopper 61 and the fixed block 4, spring 62 cover is established in the outside of connecting rod 611, be convenient for reset parts such as stopper 61 through spring 62, in addition, set up on the fixed block 4 with stopper 61 sliding connection's recess, and spring 62 keeps away from the one end of stopper 61 and the bottom inner wall fixed connection of recess, when stopper 61 removed to the recess bottom, the outer wall of ring block 6 contacted with the inner wall of fixed block 4, at this moment, the distance between two ring blocks 6 reaches the biggest.

In the specific use process, the spring 62 supports the limiting block 61 in a normal state, so that the two annular blocks 6 are in contact with each other, and the telecentric field lens body 5 is clamped and fixed.

When the telecentric field lens holder capable of adjusting the lifting of the laser beam is used, the circular block 63 is pulled to one side far away from the annular block 6, so that the limiting block 61 approaches to the inside of the groove, the spring 62 is deformed after being stressed by the limiting block 61 in the moving process, the distance between the two annular blocks 6 is increased, then the telecentric field lens body 5 is placed between the two annular blocks 6, then the pulling of the circular block 63 is released, the limiting block 61 is reset through the resilience force of the spring 62, then the telecentric field lens body 5 is clamped and fixed through the two annular blocks 6, then the power supply of the motor 3 is connected and started, the output shaft of the motor 3 drives the threaded rod 22 to rotate, so that the sliding block 231 in threaded connection with the threaded rod 22 moves up and down in the chute 21, and the height adjustment of the telecentric field lens body 5 is realized, then, the output shaft of the motor 24 is used to drive the rotating shaft 411, the connecting block 41 and other components to swing, so that the telecentric field lens body 5 can realize angle adjustment along with the swing of the fixed block 4.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a telecardiogram lens base that adjustable laser beam goes up and down, includes base (1), its characterized in that: the novel motor-driven bicycle is characterized in that a motor (3) is mounted inside the base (1), a support column (2) is arranged in the middle of the top of the base (1), a sliding block (231) is connected to the inside of the support column (2) in a sliding manner, a sliding groove (21) which is connected with the sliding block (231) in a sliding manner is formed in the support column (2), a threaded rod (22) is connected to the inside of the sliding groove (21) in a rotating manner, the upper end of the threaded rod (22) penetrates through the sliding block (231) and is in threaded connection with the sliding block, the left end of the sliding block (231) penetrates through the sliding groove (21) and is fixedly connected with a movable plate (23), baffle plates (232) are symmetrically arranged on the left front side and the rear side of the movable plate (23), a connecting block (41) is arranged between the two baffle plates (232), a fixed block (4) is arranged at the left end of the connecting block (41), and two annular blocks (6) which are symmetrically distributed are slidably connected to the central position of the fixed block (4), a telecentric field lens body (5) is movably connected between the two annular blocks (6).

2. The adjustable laser beam lift telecentric field lens mount of claim 1, wherein: the output shaft of the motor (3) sequentially penetrates through the top of the base (1) and the bottom of the supporting column (2) and is coaxially connected with the threaded rod (22).

3. The adjustable laser beam lift telecentric field lens mount of claim 1, wherein: the connecting block (41) is rotatably connected with the baffle (232) through a rotating shaft (411).

4. A telecentric field lens mount for adjusting the elevation of a laser beam as recited in claim 3, wherein: a bearing plate (233) is arranged at the position, close to the front side, on the left side of the moving plate (23), a motor (24) is arranged above the bearing plate (233), and one end of one rotating shaft (411) penetrates through the baffle (232) and is coaxially connected with an output shaft of the motor (24).

5. The adjustable laser beam lift telecentric field lens mount of claim 1, wherein: two one side that annular piece (6) deviate from mutually all is equipped with stopper (61), stopper (61) are kept away from one side of annular piece (6) is equipped with connecting rod (611), the one end that stopper (61) were kept away from in connecting rod (611) passes the outer wall of fixed block (4) and is equipped with circular block (63).

6. The adjustable laser beam lift telecentric field lens mount of claim 5, wherein: the limiting block (61) is fixedly connected with the fixed block (4) through a spring (62), and the spring (62) is sleeved outside the connecting rod (611).