CN216210375U

CN216210375U - Imaging focusing Z-axis module

Info

Publication number: CN216210375U
Application number: CN202122781103.4U
Authority: CN
Inventors: 肖扬明
Original assignee: Dongguan Maiju Medical Technology Co ltd
Current assignee: Dongguan Maiju Medical Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-05
Anticipated expiration: 2031-11-15

Abstract

The utility model belongs to the technical field of automatic detection, and particularly relates to a Z-axis module for imaging and focusing, which comprises a Z-axis motor assembly, a Z-axis sliding table, a Z-axis auxiliary sliding table and a camera assembly. When the device is used, the Z-axis motor assembly drives the Z-axis sliding table to move up and down, so that the lens cone is driven to move up and down, the lens cone moves up and down to drive the Z-axis auxiliary sliding table to move up and down, the whole device is simple in structure, the straightness of the camera moving in the Z-axis direction and the levelness of the camera can be guaranteed through the driving of the motor, meanwhile, the movement precision is high, and a better imaging focusing effect can be achieved. In addition, the Z-axis auxiliary sliding table can also play a better role in fixing the lens barrel, so that the straightness and the levelness of the camera are further guaranteed.

Description

Imaging focusing Z-axis module

Technical Field

The utility model belongs to the technical field of automatic detection, and particularly relates to a Z-axis module for imaging and focusing.

Background

In the field of automatic detection at present, in order to realize imaging focusing, the imaging focusing is generally realized by manually adjusting a focusing button of a lens, and the imaging focusing mode is difficult to realize a one-time focusing image effect on a high-precision image with micron-scale characteristics. Therefore, a structure for manually adjusting a lens to realize a focusing function is generally used for imaging and focusing of an image with low requirements on image quality and a relatively large characteristic size.

For the imaging focusing of an image with high image quality requirement and small size, an electronic focusing shaft is needed, but the existing electronic focusing shaft is difficult to ensure the straightness of a Z axis and the levelness of a camera, and the movement precision is insufficient, so that the optimal imaging focusing effect is difficult to achieve during imaging.

In view of this, the present invention provides an imaging and focusing Z-axis module, which can ensure the linearity of the camera moving in the Z-axis direction and the levelness of the camera through a reasonable structural design, and has high movement precision, so as to achieve a better imaging and focusing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the Z-axis module is designed reasonably, so that the straightness of the camera moving in the Z-axis direction and the levelness of the camera can be guaranteed, the movement precision is high, and the imaging focusing effect of a better image can be achieved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a Z axle module of formation of image focus, includes supplementary slip table of Z axle motor element, Z axle slip table, Z axle and camera subassembly, from last to down, camera subassembly includes camera, lens cone and camera lens, Z axle motor element can drive Z axle slip table reciprocates along the Z axle, the lens cone through first connecting plate with Z axle slip table connects, the lens cone still through the second connecting plate with the supplementary slip table of Z axle is connected.

As an improvement of the Z-axis module for imaging and focusing, the Z-axis motor assembly comprises a Z-axis motor, a screw rod and a screw rod nut, and an output shaft of the Z-axis motor is connected with the screw rod.

As an improvement of the imaging focusing Z-axis module, the Z-axis sliding table comprises a movable sliding table, a first guide rail and a sliding table base, the screw rod is connected with the movable sliding table through the screw rod nut, the first guide rail is arranged on the sliding table base, a first sliding groove matched with the first guide rail is arranged on the movable sliding table, and the movable sliding table is further connected with the first connecting plate.

As an improvement of the imaging and focusing Z-axis module, the first connecting plate includes a first vertical plate and a first transverse plate connected to the first vertical plate, the first vertical plate is connected to the movable sliding table, and the first transverse plate is provided with a first hole through which the lens barrel can pass.

As an improvement of the Z-axis module for imaging and focusing, the movable sliding table is connected with the side edge of the sliding table base through a limiting device.

As an improvement of the imaging focusing Z-axis module, the Z-axis auxiliary sliding table comprises an auxiliary base and an auxiliary sliding table, a second guide rail is arranged on the auxiliary base, a second sliding groove matched with the second guide rail is arranged on the auxiliary sliding table, and the auxiliary sliding table is connected with the second connecting plate.

As an improvement of the imaging and focusing Z-axis module, the second connecting plate includes a second vertical plate and a second transverse plate connected to the second vertical plate, the second vertical plate is connected to the auxiliary sliding table, and the second transverse plate is provided with a second hole through which the lens barrel can pass.

Compared with the prior art, the camera assembly comprises a Z-axis motor assembly, a Z-axis sliding table, a Z-axis auxiliary sliding table and a camera assembly, wherein the camera assembly comprises a camera, a lens barrel and a lens from top to bottom, the Z-axis motor assembly can drive the Z-axis sliding table to move up and down along a Z axis, the lens barrel is connected with the Z-axis sliding table through a first connecting plate, and the lens barrel is further connected with the Z-axis auxiliary sliding table through a second connecting plate. When the device is used, the Z-axis motor assembly drives the Z-axis sliding table to move up and down, so that the lens cone is driven to move up and down, the lens cone moves up and down to drive the Z-axis auxiliary sliding table to move up and down, the whole device is simple in structure, the straightness of the camera moving in the Z-axis direction and the levelness of the camera can be guaranteed through the driving of the motor, meanwhile, the movement precision is high, and a better imaging focusing effect can be achieved. In addition, the Z-axis auxiliary sliding table can also play a better role in fixing the lens barrel, so that the straightness and the levelness of the camera are further guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

FIG. 3 is an exploded view of the Z-axis slide of the present invention.

Fig. 4 is a partial structural schematic diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a Z-axis module for imaging and focusing, which includes a Z-axis motor assembly 1, a Z-axis sliding table 2, a Z-axis auxiliary sliding table 3, and a camera assembly 4, wherein the camera assembly 4 includes a camera 41, a lens barrel 42, and a lens 43 from top to bottom, the Z-axis motor assembly 1 can drive the Z-axis sliding table 2 to move up and down along a Z-axis, the lens barrel 42 is connected with the Z-axis sliding table 2 through a first connecting plate 5, and the lens barrel 42 is further connected with the Z-axis auxiliary sliding table 3 through a second connecting plate 6. In this embodiment, the flexibility of the camera 41 with the objective lens and the light source is high, and the structure of the camera 41 is exquisite. The lens 43 has a magnification of 10 to 40 times and a resolution of 0.4 μm. During the use, Z axle motor element 1 drive Z axle slip table 2 reciprocates along the Z axle to drive lens cone 42 and whole Z axle motor element 1 and reciprocate, camera lens 42 drives the supplementary slip table 3 of Z axle again and reciprocates.

The Z-axis motor assembly 1 comprises a Z-axis motor 11, a screw rod 12 and a screw rod nut 13, and an output shaft of the Z-axis motor 11 is connected with the screw rod 12. Z axle slip table 2 is including removing slip table 21, first guide rail 22 and slip table base 23, and lead screw 12 passes through screw-nut 13 and is connected with removing slip table 21, and first guide rail 22 sets up on slip table base 23, removes to be provided with on the slip table 21 with first guide rail 22 complex first spout, removes slip table 21 and still is connected with first connecting plate 5. The material of the sliding table base 23 is S45C surface blackening treatment, the screw 12 is a ball screw, and the first guide rail 22 is a linear ball guide rail. The Z-axis motor 11 is a 5-image stepping hybrid motor, and by using a guide rail structure, the size is small, the rigidity of the whole structure is strong, the number of connecting parts is small, the driving performance and the accuracy of the parallelism of the upper surface and the lower surface can reach +/-0.02 mm, and the repeated positioning accuracy of the sliding table is +/-0.001 mm. When the Z-axis motor 11 acts, the movable sliding table 21 is driven to slide up and down along the first guide rail 22, and the first guide rail 22 limits the left and right directions of the movable sliding table 21. The sliding table base 23 can realize connection of the Z-axis sliding table 2 with other structures.

The first connecting plate 5 includes a first vertical plate 51 and a first horizontal plate 52 connected to the first vertical plate 51, the first vertical plate 51 is connected to the movable sliding table 21, in this embodiment, the first horizontal plate 52 is provided with a first hole for the lens barrel 42 to pass through, and the lens barrel 42 is fastened in the first hole.

The sides of the movable sliding table 21 and the sliding table base 23 are connected through a limiting device 24 to prevent the movable sliding table 21 and the sliding table base 23 from scattering.

Supplementary slip table 3 of Z axle includes supplementary base 31 and supplementary slip table 32, is provided with second guide rail 33 on the supplementary base 31, is provided with the second spout with second guide rail 33 complex on the supplementary slip table 32, and supplementary slip table 32 is connected with second connecting plate 6. The motion of second connecting plate 6 can drive the motion of supplementary slip table 32, and second guide rail 33 is spacing to the left and right directions of supplementary slip table 32. The auxiliary base 31 can realize the connection of the Z-axis auxiliary sliding table 3 with other structures.

The second connecting plate 6 includes a second vertical plate 61 and a second horizontal plate 62 connected to the second vertical plate 61, the second vertical plate 61 is connected to the auxiliary sliding table 32, in this embodiment, the second vertical plate 61 is connected to a screw, a second hole for the lens barrel 42 to pass through is formed in the second horizontal plate 62, and the lens barrel 42 is fastened in the second hole.

In a word, during the use, Z axle motor unit 1 drive Z axle slip table 2 up-and-down motion to drive lens cone 42 up-and-down motion, and lens cone 42 up-and-down motion takes Z axle to assist slip table 32 up-and-down motion again, whole device simple structure, can guarantee the straightness accuracy of camera 41 in the motion of Z axle direction and the levelness of camera through the drive of Z axle motor 11, the while motion precision is high (driving performance and upper and lower face depth of parallelism precision can reach 0.02mm, slip table repeated positioning accuracy is 0.001 mm), can reach the formation of image focusing effect of preferred. In addition, the Z-axis auxiliary sliding table 32 can also fix the lens barrel 42 better, so as to further ensure the linearity and levelness of the camera 41.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a Z axle module of formation of image focus which characterized in that: including supplementary slip table of Z axle motor element, Z axle slip table, Z axle and camera subassembly, from last extremely down, camera subassembly includes camera, lens cone and camera lens, Z axle motor element can drive Z axle slip table reciprocates along the Z axle, the lens cone pass through first connecting plate with Z axle slip table is connected, the lens cone still through the second connecting plate with the supplementary slip table of Z axle is connected.

2. The imaging focusing Z-axis module of claim 1, wherein: the Z-axis motor assembly comprises a Z-axis motor, a screw rod and a screw rod nut, and an output shaft of the Z-axis motor is connected with the screw rod.

3. The imaging focusing Z-axis module of claim 2, wherein: the Z-axis sliding table comprises a movable sliding table body, a first guide rail and a sliding table base, the lead screw is connected with the movable sliding table body through a lead screw nut, the first guide rail is arranged on the sliding table base, a first sliding groove matched with the first guide rail is formed in the movable sliding table body, and the movable sliding table body is further connected with the first connecting plate.

4. The imaging focusing Z-axis module of claim 3, characterized in that: the first connecting plate comprises a first vertical plate and a first transverse plate connected with the first vertical plate, the first vertical plate is connected with the movable sliding table, and a first hole through which the lens barrel can pass is formed in the first transverse plate.

5. The imaging focusing Z-axis module of claim 3, characterized in that: the side edges of the movable sliding table and the sliding table base are connected through a limiting device.

6. The imaging focusing Z-axis module of claim 1, wherein: the Z-axis auxiliary sliding table comprises an auxiliary base and an auxiliary sliding table, a second guide rail is arranged on the auxiliary base, a second sliding groove matched with the second guide rail is formed in the auxiliary sliding table, and the auxiliary sliding table is connected with the second connecting plate.

7. The imaging focusing Z-axis module of claim 6, wherein: the second connecting plate include the second riser and with the second diaphragm that the second riser is connected, the second riser with supplementary slip table is connected, be provided with on the second diaphragm and supply the second hole that the lens cone passed.