CN219532893U

CN219532893U - Optical test platform

Info

Publication number: CN219532893U
Application number: CN202320278351.3U
Authority: CN
Inventors: 刘伟生; 朱文强; 彭峻
Original assignee: Shenzhen Heils Zhongcheng Technology Co ltd
Current assignee: Shenzhen Heils Zhongcheng Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-15
Anticipated expiration: 2033-02-13

Abstract

The utility model is suitable for the field of visual detection equipment, and discloses an optical test platform, which comprises a base, a camera fixing member, a bearing table for bearing an object to be tested and a light source fixing member for fixing a light source for polishing the object to be tested, wherein the bearing table, the light source fixing member and the camera fixing member are connected to the base; the camera fixing component comprises a camera fixing component and a lens clamping component, the camera fixing component comprises a camera bracket, the camera bracket is used for fixing a camera for photographing an object to be tested, the camera fixing component comprises a first clamping piece, a second clamping piece and a bidirectional screw rod, the first clamping piece and the second clamping piece are connected to two ends of the bidirectional screw rod, and are driven by the bidirectional screw rod to move in opposite directions or back directions along the axial direction of the bidirectional screw rod so as to be used for clamping the camera or releasing the camera; the lens clamping component is arranged below the camera bracket and used for clamping and installing the lens of the camera. The camera support provided by the utility model has universality.

Description

Optical test platform

Technical Field

The utility model relates to the field of visual detection equipment, in particular to an optical test platform.

Background

The optical test platform is mainly used for detecting the size, defects, dirt and the like of the product. In the related art, various camera holders are required to be configured for fixing the corresponding cameras, so that the versatility of the camera holders is low, and the structure of the test platform is complex and inconvenient to use.

Disclosure of Invention

The first objective of the present utility model is to provide an optical test platform, which aims to solve the technical problem that a camera bracket cannot be commonly used.

In order to achieve the above purpose, the utility model provides the following scheme: the optical test platform comprises a base, a bearing table, a light source fixing member and a camera fixing member, wherein the bearing table, the light source fixing member and the camera fixing member are connected to the base, the bearing table is used for bearing an object to be tested, and the light source fixing member is used for fixing a light source for polishing the object to be tested; the camera fixing member includes:

the camera fixing assembly comprises a camera bracket, wherein the camera bracket is used for fixing a camera for photographing the object to be tested and comprises a first clamping piece, a second clamping piece and a bidirectional screw rod, the first clamping piece and the second clamping piece are connected to two ends of the bidirectional screw rod, and are driven by the bidirectional screw rod to move in opposite directions or back directions along the axial direction of the bidirectional screw rod so as to be used for clamping the camera or releasing the camera;

the lens clamping assembly is arranged below the camera support and used for clamping and installing the lens of the camera.

According to the optical test platform provided by the utility model, the first clamping piece and the second clamping piece are arranged, so that the camera is clamped between the first clamping piece and the second clamping piece, and the camera is fixed; through setting up two-way lead screw, first holder and second holder are connected in the both ends of two-way lead screw, because the screw thread direction at two ends of two-way lead screw is opposite to make first holder and second holder move in opposite directions or back to the back, when first holder and second holder move in opposite directions, the interval between them reduces, can the fixed camera of centre gripping, and when first holder and second holder moved in opposite directions, the interval between them was increased, can release the camera of centre gripping. The distance between the first clamping piece and the second clamping piece can be adaptively adjusted when the first clamping piece and the second clamping piece move in opposite directions, so that the camera support can clamp cameras with different fixed sizes, the types of the cameras clamped and fixed by the camera support are enlarged, the universality of the camera support is improved, and the structure of the optical test platform is simplified.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an optical test platform according to an embodiment of the present utility model configured with a camera, lens and display at one viewing angle;

FIG. 2 is a schematic diagram of an optical test platform with another view angle of a camera, lens and display according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an optical test platform according to an embodiment of the present utility model configured with a camera, lens and display at a further viewing angle;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural view of a first light source fixing assembly according to an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a second light source fixing assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

100. an optical test platform; 10. a base; 11. a base; 111. a receiving chamber; 12. a work table; 20. a carrying platform; 30. a light source fixing member; 31. a first light source fixing assembly; 311. a first bearing plate; 312. a second angle adjusting member; 313. a first light source support; 314. a first light source fixing member; 32. a second light source fixing assembly; 321. a second bearing plate; 322. a second light source support; 323. a light source connector; 324. a second light source fixing member; 33. perforating; 40. a camera fixing member; 41. a camera fixing assembly; 411. a camera mount; 4111. a first clamping member; 4112. a second clamping member; 4113. a two-way screw rod; 4114. a camera mount; 412. a first angle adjuster; 4121. an angle adjusting body; 4122. an angle connector; 42. a lens clamping assembly; 43. a camera support assembly; 431. a camera support; 432. a first camera connection; 433. a second camera connection; 50. a power mechanism; 60. a display stand; 70. a touch screen; 200. a camera; 300. a lens; 400. a display.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, an optical test platform 100 provided by an embodiment of the present utility model includes a base 10, a carrying platform 20, a light source fixing member 30 and a camera fixing member 40, where the carrying platform 20, the light source fixing member 30 and the camera fixing member 40 are all connected to the base 10, the carrying platform 20 is used for carrying an object to be tested, the light source fixing member 30 is used for fixing a light source for polishing the object to be tested, and the camera fixing member 40 is used for fixing a camera 200 for photographing the object to be tested. In practical application, the object to be measured is placed on the carrying platform 20, the light source is fixed on the light source fixing member 30 to shine the object to be measured, and the camera 200 is fixed on the camera fixing member 40 to photograph the object to be measured. Through integrating light source fixing member 30 and camera fixing member 40 in optical test platform 100, need not set up fixed part in addition and fix light source and/or camera 200, make optical test platform 100 design as an organic whole, it is more convenient to use, improves user's use experience.

As an embodiment, referring to fig. 1 and 4, the camera fixing member 40 includes a camera fixing assembly 41 and a lens clamping assembly 42, the camera fixing assembly 41 is used for fixing a camera 200 for photographing an object to be measured, and the lens clamping assembly 42 is disposed below the camera fixing assembly 41 for clamping a lens 300 mounted on the camera 200. In practical applications, the lenses 300 used in different optical tests are different, and in some tests, some lenses 300 with larger weights are used, for example: the telecentric lens with large visual field, the linear scanning lens with high multiplying power and the like, because the lens 300 is heavier, the lens 300 is singly connected with the lens 300 through the camera 200, the connection firmness is unreliable, the lens 300 shakes or shakes when a light person happens, the pictures collected by the test are blurred, and even the lens 300 can fall down, so that the loss is caused. By arranging the lens clamping assembly 42 to clamp and fix the lens 300, the firmness of connection between the lens 300 and the camera 200 is improved, and further the situations that the lens 300 shakes, shakes or even falls are avoided.

As an embodiment, referring to fig. 4, the camera fixing assembly 41 includes a camera bracket 411, the camera bracket 411 is used for fixing a camera 200 for photographing an object to be measured, and the lens clamping assembly 42 is disposed below the camera bracket 411. The camera stand 411 includes a first clamping member 4111, a second clamping member 4112 and a bi-directional screw 4113, wherein the first clamping member 4111 and the second clamping member 4112 are connected to two ends of the bi-directional screw 4113, and are driven by the bi-directional screw 4113 to move in opposite directions along an axial direction of the bi-directional screw 4113 or move in opposite directions, so as to clamp the camera 200 or release the camera 200. The screw directions of the two ends of the bi-directional screw rod 4113 are opposite, the first clamping member 4111 and the second clamping member 4112 are respectively connected to the two ends of the bi-directional screw rod 4113, and under the action of the bi-directional screw rod 4113, the distance between the two clamping members can be reduced for clamping and fixing the camera 200, and the distance between the two clamping members can be increased for releasing the clamped camera 200. For different types of cameras 200, the sizes of the two cameras are different, and because the distance between the first clamping member 4111 and the second clamping member 4112 is not constant, the distance between the first clamping member 4111 and the second clamping member 4112 is adaptively adjusted when the first clamping member 4111 and the second clamping member 4112 move towards each other, so that the cameras 200 with different sizes can be clamped and fixed. Therefore, the camera stand 411 provided in the present embodiment enlarges the types of the clamped and fixed camera 200, and improves the versatility of the camera stand 411.

As an embodiment, referring to fig. 4, the camera bracket 411 further includes a camera mount 4114, the first clamping member 4111 and the second clamping member 4112 are slidably connected to the camera mount 4114, and the bidirectional screw rod 4113 is rotatably connected to the camera mount 4114.

As an embodiment, referring to fig. 1 and 4, the camera fixing assembly 41 further includes a first angle adjustment member 412 connected to the camera bracket 411; the first angle adjusting member 412 is used for driving the camera bracket 411 to rotate under the action of an external force, so as to drive the camera 200 fixed on the camera bracket 411 to rotate. During rotation of the camera 200, the angle of the camera facing the object to be measured can be adjusted, which is helpful for obtaining a picture with higher definition. In a specific application, the first angle adjusting member 412 is connected to the camera mount 4114.

As an embodiment, referring to fig. 1 and 4, the camera fixing member 40 further includes a camera support assembly 43, and the camera support assembly 43 is slidably coupled to the base 10 in a first horizontal direction; the camera fixing assembly 41 and the lens clamping assembly 42 are both connected to the camera supporting assembly 43 and are movable relative to the camera supporting assembly 43 along a vertical direction and a second horizontal direction, wherein the second horizontal direction is perpendicular to the first horizontal direction. In this way, when the camera support assembly 43 slides along the first horizontal direction, the camera fixing assembly 41 and the lens clamping assembly 42 are driven to move along the first horizontal direction, so as to realize the movement of the camera fixing assembly 41 and the lens clamping assembly 42 along the first horizontal direction; meanwhile, the camera fixing assembly 41 and the lens clamping assembly 42 can move along the vertical direction and the second horizontal direction relative to the camera supporting assembly 43, and the first horizontal direction is perpendicular to the second horizontal direction, so that the camera fixing assembly 41 and the lens clamping assembly 42 can move along the horizontal direction and the vertical direction, the distance between the camera 200 and an object to be detected can be adjusted, and the object to be detected can be located in the focal length of the camera 200, so that a picture with higher definition can be obtained.

As an embodiment, referring to fig. 1 and 4, the camera support assembly 43 includes a camera support frame 431, a first camera connecting member 432 and a second camera connecting member 433, the first camera connecting member 432 and the second camera connecting member 433 extend along a second horizontal direction and are slidably connected to the camera support frame 431 along a vertical direction, the first camera connecting member 432 is disposed above the second camera connecting member 433, the camera fixing assembly 41 is movably connected to the first camera connecting member 432, and the lens clamping assembly 42 is movably connected to the second camera connecting member 433. The first camera connecting piece 432 is arranged above the second camera connecting piece 433, the camera fixing component 41 is connected to the first camera connecting piece 432, and the lens clamping component 42 is connected to the second camera connecting piece 433, so that the camera fixing component 41 is arranged above the lens clamping component 42; the first camera link 432 and the second camera link 433 each extend in the second horizontal direction, the camera fixing assembly 41 is movably coupled to the first camera link 432 such that the camera fixing assembly 41 can move in the second horizontal direction, and the lens clamping assembly 42 is movably coupled to the second camera link 433 such that the lens clamping assembly 42 can move in the second horizontal direction; the first camera connecting piece 432 and the second camera connecting piece 433 are both connected to the camera support frame 431 in a sliding manner along the vertical direction, the sliding of the first camera connecting piece 432 along the vertical direction drives the movement of the camera fixing assembly 41 along the vertical direction, and the sliding of the second camera connecting piece 433 along the vertical direction drives the movement of the lens clamping assembly 42 along the vertical direction.

As one embodiment, referring to fig. 4, the first angle adjuster 412 includes an angle adjusting body 4121 and an angle connector 4122 connected to the angle adjusting body 4121; the camera fixing frame 4114 is connected to the angle adjusting body 4121, and the angle adjusting body 4121 drives the camera fixing frame 4114 to rotate around an axis parallel to the first horizontal direction under the action of external force, so as to drive the camera 200 to rotate around an axis parallel to the first horizontal direction; the angle connector 4122 is rotatably connected to the first camera connector 432, so that the angle connector 4122 can rotate around an axis parallel to the second horizontal direction, and further drive the camera stand 411 and the camera 200 to rotate around an axis parallel to the second horizontal direction; thus, multi-angle rotation of the camera 200 is achieved.

As an embodiment, referring to fig. 2, the light source fixing member 30 includes a first light source fixing assembly 31 provided above the stage 20 and a second light source fixing assembly 32 provided below the stage 20. In practical application, the light source fixed on the first light source fixing component 31 lights the object to be tested from above the object to be tested, and the light source fixed on the second light source fixing component 32 lights the object to be tested from below the object to be tested, and lights the object to be tested from above and below respectively, so that the definition of the test picture is improved.

As an embodiment, referring to fig. 5 and 6, the first light source fixing assembly 31 includes a first bearing plate 311 for bearing a light source, and the second light source fixing assembly 32 includes a second bearing plate 321 for bearing a light source; the first carrier plate 311 and the second carrier plate 321 are provided with a plurality of through holes 33, so that when the light source is carried on the first carrier plate 311 or the second carrier plate 321, the light source is fixed on the first carrier plate 311 or the second carrier plate 321 by penetrating the through holes 33 through a rope-shaped component (not shown). In practical application, different types of light sources can be used, in the related technology, the light sources are fixed by screws, and the positions of screw holes are different, so that the bearing parts for bearing the light sources are different in structure and cannot be commonly used; the first carrier plate 311 and the second carrier plate 321 provided in this embodiment fix the light source on the first carrier plate 311 and/or the second carrier plate 321 by passing the rope-shaped member such as the tie through the perforation 33, and the fixation of the light source is not limited by the type of the light source, thereby improving the versatility of the first carrier plate 311 and the second carrier plate 321.

In one embodiment, the perforations 33 are elongated, and a plurality of perforations 33 are arranged in parallel and side-by-side relationship. This arrangement facilitates the string-like member to be passed through the perforations 33 to secure the light source. Of course, in practical applications, the shape of the perforation 33 is not limited to an elongated shape, and may be circular, arc-shaped, or elliptical, for example.

As an embodiment, referring to fig. 5, the first light source fixing assembly 31 further includes a second angle adjusting member 312, where the second angle adjusting member 312 is used to drive the first bearing plate 311 to rotate under the action of external force, so as to drive the light source fixed on the first bearing plate 311 to rotate. In the rotating process of the light source, the irradiation angle of the light source can be adjusted, and the picture with higher definition can be obtained.

As an embodiment, referring to fig. 1 and 5, the first light source fixing assembly 31 further includes a first light source support 313 slidably coupled to the base 10 in a first horizontal direction, and the first bearing plate 311 is slidably coupled to the first light source support 313 in a vertical direction. The first light source support 313 slides along the first horizontal direction to drive the first bearing plate 311 to move along the first horizontal direction, so as to drive the light source fixed on the first bearing plate 311 to move along the first horizontal direction; the first bearing plate 311 is slidably connected to the first light source support 313 along the vertical direction, so that the first bearing plate 311 can move along the vertical direction, and further, the light source fixed on the first bearing plate 311 is driven to move along the vertical direction; the light source fixed on the first bearing plate 311 moves along the first horizontal direction and the vertical direction to change the distance from the light source to the object to be measured, and the light brightness of the object to be measured is adjusted by changing the distance from the light source to the object to be measured, so that the camera 200 can take pictures with better quality.

As an embodiment, referring to fig. 5, the first light source fixing assembly 31 further includes a first light source fixing member 314 extending along a second horizontal direction, two ends of the first light source fixing member 314 are respectively connected to a second angle adjusting member 312, the second angle adjusting member 312 is slidably connected to the first light source supporting member 313 along a vertical direction, and the first bearing plate 311 is fixedly disposed on the first light source fixing member 314. In this way, the first bearing plate 311 is slidably connected to the first light source support 313 in the vertical direction, and the second angle adjuster 312 is used to drive the first bearing plate 311 to rotate under the action of external force.

As one embodiment, the number of the first light source fixing assemblies 31 is two, and the two first light source fixing assemblies 31 are respectively provided at both sides of the camera fixing member 40 in the first horizontal direction. The structure is succinct, can ensure simultaneously that camera 200 has the light source that shines for the article of awaiting measuring along the both sides of first horizontal direction. In addition, the light source has various types, such as an annular light source, a linear light source, a bar-shaped light source, and the like, and by disposing a first light source fixing assembly 31 on each side of the camera fixing member 40 along the first horizontal direction, when the light source supported on the first supporting plate 311 is a linear light source or a bar-shaped light source, the object to be measured can be irradiated with light having higher brightness. Of course, in practical applications, the number of the first light source fixing assemblies 31 may be not limited to two, such as three or four or five, or the like, as an alternative embodiment.

As an embodiment, referring to fig. 1 and 6, the second light source fixing assembly 32 further includes a second light source support 322 and a light source connector 323; the second light source support 322 is slidably connected to the base 10 along the first horizontal direction, one end of the light source connection member 323 is slidably connected to the second light source support 322 along the vertical direction, and the other end of the light source connection member 323 is rotatably connected to the second carrier plate 321. Thus, the second carrier plate 321 is moved along the first horizontal direction and the vertical direction, and the light source fixed on the second carrier plate 321 is driven to move along the first horizontal direction and the vertical direction; the light source fixed on the second bearing plate 321 moves along the first horizontal direction and the vertical direction to change the distance between the light source and the object to be measured, and the light brightness of the object to be measured is adjusted by changing the distance between the light source and the object to be measured, so that the camera 200 can take pictures with better quality. The other end of the light source connecting piece 323 is rotatably connected to the second bearing plate 321, so that the second bearing plate 321 can rotate, and the light source fixed on the second bearing plate 321 can be driven to rotate; in the rotating process of the light source, the irradiation angle of the light source can be adjusted, and the picture with higher definition can be obtained.

As an embodiment, referring to fig. 6, the second light source fixing assembly 32 further includes a second light source fixing member 324, the second carrier plate 321 is fixedly disposed on the second light source fixing member 324, and the light source connecting member 323 is rotatably connected to the second light source fixing member 324. In this way, the second carrier plate 321 is rotatably coupled to the light source connecting member 323.

As an embodiment, referring to fig. 1, the carrying table 20 is slidably mounted on the base 10 along a first horizontal direction. In this way, the object to be tested carried on the carrying table 20 can move along the first horizontal direction along with the carrying table 20, so that the optical test platform 100 provided in this embodiment can be applied to not only the polishing test of the area array camera, but also the line scanning camera polishing test, and the application performance of the optical test platform 100 is enlarged.

As an embodiment, referring to fig. 2, the optical test platform 100 further includes a power mechanism 50, where the power mechanism 50 is configured to drive the stage 20 to reciprocate along the first horizontal direction. In practice, the power mechanism 50 is an electric motor. Of course, the power mechanism 50 is not limited to the motor, and the power mechanism 50 may be a power member such as a cylinder.

As one embodiment, the carrier 20 is made of a light transmissive material, including but not limited to glass. In this way, the light source arranged below the bearing table 20 can polish the object to be measured borne on the bearing table 20.

As an embodiment, referring to fig. 1 and 2, the base 10 includes a base 11 and a table 12 disposed above the base 11, the base 11 has a receiving cavity 111, the second light source fixing assembly 32 is received in the receiving cavity 111, the stage 20, the camera fixing member 40 and the first light source fixing assembly 31 are all mounted on the table 12, and the stage 20 covers the receiving cavity 111.

As an embodiment, the table 12 is made of marble material. The marble material has high strength and is not easily deformed, so that the movement performance of the loading table 20, the camera fixing member 40 and the first light source fixing assembly 31 is more stable.

As one embodiment, and with reference to fig. 1, the optical test platform 100 further includes a display stand 60. Thus, the display 400 such as a computer can be directly placed on the optical test platform 100, which is helpful for checking the test results.

As one embodiment, and referring to fig. 1, the optical bench 100 further comprises a touch screen 70. So set up, the operating personnel of being convenient for input operation instruction for equipment is more intelligent.

In one embodiment, the optical bench 100 further comprises a controller (not shown), and the power mechanism 50, the display 400, and the touch screen 70 are electrically connected to the controller.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The optical test platform is characterized by comprising a base, a bearing table, a light source fixing member and a camera fixing member, wherein the bearing table, the light source fixing member and the camera fixing member are all connected to the base, the bearing table is used for bearing an object to be tested, and the light source fixing member is used for fixing a light source for polishing the object to be tested; the camera fixing member includes:

2. The optical bench of claim 1 wherein said camera mounting assembly further comprises a first angle adjuster coupled to said camera support;

the first angle adjusting piece is used for driving the camera support to rotate under the action of external force so as to drive the camera fixed on the camera support to rotate.

3. The optical bench of claim 1 or 2 wherein said camera securing member further comprises a camera support assembly slidably coupled to said base in a first horizontal direction;

the camera fixing assembly and the lens clamping assembly are both connected to the camera supporting assembly and can move relative to the camera supporting assembly along a vertical direction and a second horizontal direction, wherein the second horizontal direction is perpendicular to the first horizontal direction.

4. The optical test platform of claim 1, wherein the light source fixing member comprises a first light source fixing assembly disposed above the carrying platform and a second light source fixing assembly disposed below the carrying platform, the first light source fixing assembly comprising a first carrying plate for carrying the light source, the second light source fixing assembly comprising a second carrying plate for carrying the light source;

the first bearing plate and the second bearing plate are respectively provided with a plurality of through holes in a penetrating mode, so that the light source is fixed on the first bearing plate or the second bearing plate through the through holes when the light source is borne on the first bearing plate or the second bearing plate through the rope-shaped parts.

5. The optical bench of claim 4 wherein said perforations are elongated and a plurality of said perforations are disposed in parallel side-by-side relationship.

6. The optical bench of claim 4 or 5 wherein said first light source fixing assembly further comprises a second angle adjusting member for driving said first bearing plate to rotate under the action of external force to drive said light source fixed to said first bearing plate to rotate.

7. The optical bench of claim 6 wherein said first light source fixing assembly further comprises a first light source support slidably coupled to said base in a first horizontal direction, said first carrier plate being slidably coupled to said first light source support in a vertical direction; and/or the number of the groups of groups,

the number of the first light source fixing assemblies is two, and the two first light source fixing assemblies are respectively arranged on two sides of the camera fixing member along the first horizontal direction.

8. The optical bench of claim 4 or 5 wherein said second light source fixture assembly further comprises a second light source support and a light source connector;

the second light source support piece is connected to the base in a sliding mode along the first horizontal direction, one end of the light source connecting piece is connected to the second light source support piece in a sliding mode along the vertical direction, and the other end of the light source connecting piece is connected to the second bearing plate in a rotating mode.

9. The optical bench of claim 1 wherein said carrying platform is slidably mounted to said base in a first horizontal direction.

10. The optical bench of claim 9 further comprising a power mechanism for driving the carrying platform to reciprocate in the first horizontal direction.