CN211123472U - Automatic adjusting device for lifting of objective lens - Google Patents

Abstract

The utility model discloses an automatic adjusting device for the lifting of an objective lens, which comprises a fixed frame, a Z-axis seat and a lifting driving mechanism, wherein the fixed frame comprises a fixed plate and a mounting plate which are connected with each other; the Z shaft seat is in sliding fit with the fixing plate, and the objective lens is fixed on the Z shaft seat; the lifting driving mechanism is arranged between the mounting plate and the Z shaft seat so as to drive the Z shaft seat to lift through the lifting driving mechanism. The utility model discloses can the automatically regulated objective go up and down, adjust convenient, high-efficient.

Description

Automatic adjusting device for lifting of objective lens

Technical Field

The utility model relates to an objective lift automatic regulating apparatus.

Background

The objective lens is generally applied to a microscope, and at present, a height handle is mainly adjusted manually in order to enable the objective lens to clearly see objects on a glass slide, and the adjusting mode is low in efficiency and inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide an objective lift automatic regulating apparatus, it can the automatically regulated objective go up and down, adjusts convenience, high efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: an automatic adjusting device for the elevation of an objective lens, comprising:

the fixing frame comprises a fixing plate and a mounting plate which are connected with each other;

the Z shaft seat is in sliding fit with the fixed plate, and the objective lens is fixed on the Z shaft seat;

and the lifting driving mechanism is arranged between the mounting plate and the Z shaft seat so as to drive the Z shaft seat to lift through the lifting driving mechanism.

The lifting driving mechanism comprises a telescopic stepping motor, a machine body of the telescopic stepping motor is fixed on the mounting plate, and a motor rod of the telescopic stepping motor is connected with the Z shaft seat.

Further in order to conveniently connect the motor rod with the Z shaft seat, a motor fixing block is fixed on the Z shaft seat, and the motor rod is connected with the motor fixing block.

Furthermore, the Z-axis seat is slidably matched on the fixed plate through a crossed ball guide rail assembly, the crossed ball guide rail assembly comprises two crossed ball guide rails which are mutually coupled, one crossed ball guide rail is fixedly connected with the fixed plate, and the other crossed ball guide rail is fixedly connected with the Z-axis seat.

Further in order to conveniently limit the highest point which can be reached by the rising of the Z shaft seat, the automatic adjusting device for the lifting of the objective lens further comprises:

a photoelectric switch fixed on the mounting plate;

the photoelectric switch blocking piece is fixed on the Z shaft seat to synchronously lift along with the Z shaft seat, and can lift to the position where the photoelectric switch is located to be detected by the photoelectric switch;

and the controller is at least suitable for controlling the lifting driving mechanism to stop acting by taking the photoelectric switch to detect the photoelectric switch separation blade as a trigger signal.

In order to further facilitate the fixed connection of the photoelectric switch separation blade and the Z shaft seat, a fixed shaft is arranged on the Z shaft seat, an avoiding hole for avoiding the fixed shaft is formed in the mounting plate, and the photoelectric switch separation blade is fixed on the fixed shaft.

Further for the convenience of the installation and fixation of the photoelectric switch on the installation plate, a photoelectric switch installation frame is fixed on the installation plate, and the photoelectric switch is installed on the photoelectric switch installation frame.

Further, the Z shaft seat comprises a vertical part and a transverse part which are mutually connected into L types, the vertical part is arranged on the fixing plate in a sliding mode, and the objective lens is arranged on the transverse part.

After the technical scheme is adopted, the Z shaft seat is driven to lift through the lifting driving mechanism, and the Z shaft seat drives the objective lens to lift, so that the objective lens can be automatically adjusted in place in the height direction, the time and energy consumption of manual adjustment are saved, and convenience and trouble are realized; the utility model can ensure the Z-axis base to freely and stably move up and down by guiding the lifting of the Z-axis base by the crossed ball guide rail assembly; the utility model discloses a peak of objective motion is injectd in the cooperation of photoelectric switch and photoelectric switch separation blade, and the precision is high.

Drawings

Fig. 1 is a schematic structural view of an automatic adjusting device for adjusting the elevation of an objective lens according to the present invention;

fig. 2 is a schematic structural view of the automatic adjusting device for adjusting the elevation of the objective lens of the present invention after removing the fixing plate;

fig. 3 is a cross-sectional view of the automatic adjusting device for adjusting the elevation of the objective lens according to the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1, 2 and 3, an automatic adjusting device for raising and lowering an objective lens includes:

the fixing frame comprises a fixing plate 1 and a mounting plate 2 which are connected with each other;

the Z shaft seat 3 is matched on the fixed plate 1 in a sliding way, and the objective lens 100 is fixed on the Z shaft seat 3;

and the lifting driving mechanism is arranged between the mounting plate 2 and the Z shaft seat 3 so as to drive the Z shaft seat 3 to lift through the lifting driving mechanism.

As shown in fig. 1, 2 and 3, the lifting driving mechanism includes a telescopic stepping motor 4, a body of the telescopic stepping motor 4 is fixed on the mounting plate 2, and a motor rod of the telescopic stepping motor 4 is connected with the Z-axis seat 3.

Specifically, the utility model discloses a lifting drive mechanism drive Z axle bed 3 goes up and down, and Z axle bed 3 drives objective 100 lift again, and then can put objective 100 in place in the direction of height adjustment automatically, has saved the time and the energy consumption of manual regulation, and the convenience is saved trouble.

As shown in fig. 3, in order to facilitate connection of the motor rod with the Z-axis seat 3, a motor fixing block 5 is fixed to the Z-axis seat 3, and the motor rod is connected with the motor fixing block 5.

As shown in fig. 2, the Z-axis seat 3 is slidably mounted on the fixed plate 1 via a cross ball guide assembly 6, which includes two cross ball guides coupled to each other, one of the cross ball guides is fixedly connected to the fixed plate 1, and the other cross ball guide is fixedly connected to the Z-axis seat 3.

Specifically, the utility model discloses a 6 lift of direction Z axle bed 3 of ball guide rail assembly alternately can guarantee that Z axle bed 3 is free, steady up-and-down motion.

As shown in fig. 1, 2 and 3, in order to define the highest point that the Z-axis seat 3 can reach when rising, the automatic adjusting device for adjusting the elevation of the objective lens further includes:

a photoelectric switch 7 fixed on the mounting plate 2;

the photoelectric switch blocking piece 8 is fixed on the Z shaft seat 3 and can synchronously lift along with the Z shaft seat 3, and the photoelectric switch blocking piece 8 can lift to the position of the photoelectric switch 7 to be detected by the photoelectric switch 7;

and the controller is in signal connection with the photoelectric switch 7 and the lifting driving mechanism respectively, and is at least suitable for controlling the lifting driving mechanism to stop acting by taking the photoelectric switch 7 as a trigger signal when detecting the photoelectric switch separation blade 8.

Specifically, the utility model discloses a photoelectric switch 7 limits the peak of objective 100 motion with photoelectric switch separation blade 8's cooperation, and the precision is high.

As shown in fig. 1 and 2, in order to facilitate the fixed connection between the photoelectric switch catch 8 and the Z-axis seat 3, the Z-axis seat 3 is provided with a fixed shaft 9, the mounting plate 2 is provided with an avoiding hole for avoiding the fixed shaft 9, and the photoelectric switch catch 8 is fixed on the fixed shaft 9.

As shown in fig. 1, 2 and 3, in order to facilitate the installation and fixation of the photoelectric switch 7 on the mounting plate 2, a photoelectric switch mounting bracket 10 is fixed on the mounting plate 2, and the photoelectric switch 7 is installed on the photoelectric switch mounting bracket 10.

As shown in fig. 1 and 2, the Z-axis seat 3 includes a vertical portion and a horizontal portion connected to each other to form L, the vertical portion is slidably fitted on the fixing plate 1, and the objective lens 100 is mounted on the horizontal portion.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (8)

1. An automatic adjusting device for the lifting of an objective lens is characterized in that,

it includes:

the fixing frame comprises a fixing plate (1) and a mounting plate (2) which are connected with each other;

the Z shaft seat (3), the said Z shaft seat (3) is slipped and fitted on the dead plate (1), the objective lens (100) is fixed on Z shaft seat (3);

and the lifting driving mechanism is arranged between the mounting plate (2) and the Z shaft seat (3) so as to drive the Z shaft seat (3) to lift through the lifting driving mechanism.

2. Automatic adjustment device for the raising and lowering of an objective lens according to claim 1,

the lifting driving mechanism comprises a telescopic stepping motor (4), a machine body of the telescopic stepping motor (4) is fixed on the mounting plate (2), and a motor rod of the telescopic stepping motor (4) is connected with the Z shaft seat (3).

3. The automatic adjusting apparatus for raising and lowering an objective lens according to claim 2,

and a motor fixing block (5) is fixed on the Z shaft seat (3), and a motor rod is connected with the motor fixing block (5).

4. Automatic adjustment device for the raising and lowering of an objective lens according to claim 1,

the Z shaft seat (3) is in sliding fit with the fixed plate (1) through a crossed ball guide rail assembly (6), the crossed ball guide rail assembly (6) comprises two crossed ball guide rails which are mutually coupled, one crossed ball guide rail is fixedly connected with the fixed plate (1), and the other crossed ball guide rail is fixedly connected with the Z shaft seat (3).

5. Automatic adjustment device for the raising and lowering of an objective lens according to claim 1,

further comprising:

a photoelectric switch (7) fixed on the mounting plate (2);

the photoelectric switch blocking piece (8) is fixed on the Z shaft seat (3) and can synchronously lift along with the Z shaft seat (3), and the photoelectric switch blocking piece (8) can lift to the position of the photoelectric switch (7) to be detected by the photoelectric switch (7);

and the controller is in signal connection with the photoelectric switch (7) and the lifting driving mechanism respectively, and the controller is at least suitable for controlling the lifting driving mechanism to stop acting by taking the photoelectric switch (7) as a trigger signal when detecting a blocking piece (8) of the photoelectric switch.

6. Automatic adjustment device for the raising and lowering of an objective lens according to claim 5,

the Z-axis seat (3) is provided with a fixed shaft (9), the mounting plate (2) is provided with an avoiding hole for avoiding the fixed shaft (9), and the photoelectric switch blocking piece (8) is fixed on the fixed shaft (9).

7. Automatic adjustment device for the raising and lowering of an objective lens according to claim 5,

the photoelectric switch mounting structure is characterized in that a photoelectric switch mounting frame (10) is fixed on the mounting plate (2), and the photoelectric switch (7) is mounted on the photoelectric switch mounting frame (10).

8. Automatic adjustment device for the raising and lowering of an objective lens according to claim 1,

the Z shaft seat (3) comprises a vertical part and a transverse part which are connected into L types, the vertical part is arranged on the fixing plate (1) in a sliding mode, and the objective lens (100) is arranged on the transverse part.

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