CN215067506U

CN215067506U - Tool microscope

Info

Publication number: CN215067506U
Application number: CN202120931946.5U
Authority: CN
Inventors: 郑诚
Original assignee: Nanjing Vitt Electro Optics Technology Co ltd
Current assignee: Nanjing Vitt Electro Optics Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-07
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a microscope technical field specifically is an instrument microscope, including the microscope body, the microscope body includes microscope base, a machine support, the eyepiece seat, be fixed with the frame on the rear end of microscope base, the upper portion front end swing joint of frame has the eyepiece seat, lower terminal surface in the frame is fixed with the wind spring, rubber coating bearing one and rubber coating bearing two are installed to the up end of frame, rubber coating bearing one and rubber coating bearing two are located the front and back both sides of frame, extend wire rope from the wind spring and pass rubber coating bearing one and rubber coating bearing two and be connected with the eyepiece seat. The coil spring is connected with the eyepiece seat through a steel wire rope, and the eyepiece seat is always subjected to upward tension by continuously providing upward tension through the coil spring so as to offset the gravity of the eyepiece seat and ensure the precision and the stability of the used equipment.

Description

Tool microscope

Technical Field

The utility model relates to a microscope technical field specifically is an instrument microscope.

Background

The tool microscope is a mechanical optical instrument based on optical (microscope) aiming and coordinate (workbench) measurement, can be used for measuring various lengths and angles, is particularly suitable for measuring various complex tools and parts such as threads, cam profiles, cutting tools, hole intervals and the like, and has a wide application range.

In the prior art, the moving part, namely the eyepiece mount, is under the effect of gravity, when reciprocating the removal, and drive power is different with gravity, can lead to the wearing and tearing of moving part single face, influences the stationarity of moving part, reduces ball screw's precision, and when the controller loses power, ball screw does not have the auto-lock nature simultaneously, and the moving part receives gravity gliding, and the motor load is too big, burns out the motor easily.

Therefore, there is a need for an apparatus that solves the problems mentioned in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool microscope to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool microscope comprises a microscope body, wherein the microscope body comprises a microscope base, a rack and an eyepiece seat, the rack is fixed at the rear end of the microscope base, the eyepiece seat is movably connected to the front end of the upper portion of the rack, a coil spring is fixedly inserted into the lower end face of the rack through a fixed shaft, a first rubber-coated bearing and a second rubber-coated bearing are mounted on the upper end face of the rack through a processing shaft, the first rubber-coated bearing and the second rubber-coated bearing are located on the front side and the rear side of the rack, and a steel wire rope extends from the coil spring to penetrate through the first rubber-coated bearing and the second rubber-coated bearing to be connected with the eyepiece seat.

Grooves (17) for clamping steel wire ropes are arranged in the first rubber-coated bearing and the second rubber-coated bearing.

The improved eyepiece frame is characterized in that a stepping motor is fixed in the frame and connected with a ball screw, a ball nut is sleeved outside the ball screw and fixedly connected with an eyepiece seat connecting block, the eyepiece seat connecting block is fixedly connected with an eyepiece base, and the eyepiece base is fixedly connected with an eyepiece seat.

And a stepping motor supporting base is arranged at the top in the rack.

The microscope is characterized in that a microscope objective table is arranged at the front end of the microscope base, and a microscope arm is connected to the front end of the eyepiece base.

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

1. the coil spring is connected with the eyepiece seat through a steel wire rope, and the eyepiece seat is always subjected to an upward pulling force by utilizing the continuous upward pulling force provided by the coil spring so as to offset the gravity of the eyepiece seat and ensure the precision and the stability of the used equipment;

2. grooves are formed in the first rubber-coated bearing and the second rubber-coated bearing, so that the steel wire rope caliper is in the grooves, and the steel wire rope is prevented from shifting and loosening;

3. when the stepping motor rotates forwards, the ball nut rises along the ball screw, the eyepiece base is driven to rise through the eyepiece base, the steel wire rope moves in the direction of the two-way coil spring through the first rubber coating bearing and the second rubber coating bearing, and the coil spring contracts and returns to the original shape; when the stepping motor rotates reversely, the ball nut descends, the eyepiece base also descends, the steel wire rope is pulled down along with the eyepiece base, and the coil spring is stretched and deformed;

4. the stepping motor supports the setting of base, can be used to consolidate stepping motor.

Drawings

Fig. 1 is a schematic structural diagram of a tool microscope according to the present invention.

Fig. 2 is a side view of a first rubber-covered bearing of a tool microscope according to the present invention.

Fig. 3 is a side view of a second rubber-coated bearing of the tool microscope of the present invention.

Fig. 4 is an enlarged view of a coil spring of a tool microscope according to the present invention.

Fig. 5 is a side view of a coil spring of a tool microscope according to the present invention.

In the figure: 1. an eyepiece mount; 2. encapsulating a first bearing; 3. a stepping motor; 4. a second rubber-coated bearing; 5. a ball nut; 6. an eyepiece base connecting block; 7. a wire rope; 8. a ball screw; 9. a coil spring; 10. a frame; 11. a microscope stage; 13. a microscope arm; 14. a microscope base; 15. an eyepiece base; 16. the stepping motor supports the base; 17. a groove; 18. installing a shaft; 19. and fixing the shaft.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a tool microscope comprises a microscope body, the microscope body comprises a microscope base 14, a frame 10 and an eyepiece mount 1, the frame 10 is fixed on the rear end of the microscope base 14, the front end of the upper part of the frame 10 is movably connected with the eyepiece mount 1, the lower end face in the rack 10 is fixedly inserted with a coil spring 9 through a fixed shaft 19, the upper end face of the rack 10 is provided with a first rubber-coated bearing 2 and a second rubber-coated bearing 4 through a processing shaft 18, the first rubber-coated bearing 2 and the second rubber-coated bearing 4 are positioned on the front side and the rear side of the rack 10, a steel wire rope 7 extending from the coil spring 9 penetrates through the first rubber-coated bearing 2 and the second rubber-coated bearing 4 to be connected with the eyepiece base 1, the coil spring 9 is connected with the eyepiece base 1 through the steel wire rope 7, upward pulling force is continuously provided by the coil spring 9, the eyepiece base 1 is always subjected to upward pulling force, gravity of the eyepiece base 1 is offset, and precision and smoothness of used equipment are ensured.

The first rubber-coated bearing 2 and the second rubber-coated bearing 4 are internally provided with a groove 17 for clamping the steel wire rope 7, and the grooves 17 are formed in the first rubber-coated bearing 2 and the second rubber-coated bearing 4, so that calipers of the steel wire rope 7 are in the grooves 17, and the cracking of the steel wire rope 7 is avoided.

A stepping motor 3 is fixed in the rack 10 through a stepping motor supporting base 16, so that the stepping motor 3 has a place for storage or fixation, the stepping motor 3 is connected with a ball screw 8, a ball nut 5 is sleeved outside the ball screw 8, the ball nut 5 is fixedly connected with an eyepiece mount connecting block 6, the eyepiece mount connecting block 6 is fixedly connected with an eyepiece base 15, the eyepiece base is fixedly connected with an eyepiece mount 1, when the stepping motor 3 rotates forwards, the ball nut 5 ascends along the ball screw 8, the eyepiece mount 1 is driven to ascend through the eyepiece base 15, a steel wire rope 7 moves towards a coil spring 9 through a first rubber-coated bearing 2 and a second rubber-coated bearing 4, and the coil spring 9 contracts and returns to the original shape; when the stepping motor 3 rotates reversely, the ball nut 5 descends, the eyepiece base 1 also descends, the steel wire rope 7 is pulled down along with the eyepiece base 1, and the coil spring 9 is stretched and deformed.

The microscope stage 11 is arranged at the front end of the microscope base 14, and the microscope arm 13 is connected to the front end of the eyepiece base 1.

Therefore, when the stepping motor 3 drives the ball screw 8 to rotate forwards or backwards, the ball screw 8 rotates, the ball nut 5 moves linearly up and down along the ball screw 8, the eyepiece mount connecting block 6 fixedly connected with the ball nut 5 also goes up and down, and therefore the eyepiece mount 1 is driven by the eyepiece mount 15 to go up and down, in the descending process of the eyepiece mount 1, the coil spring 9 is driven by the steel wire rope 7 to stretch, tensile deformation force is generated, when the eyepiece mount 1 goes up, the coil spring 9 is driven by the steel wire rope 7 to contract and recover, when the stepping motor 3 is powered off, the ball screw 8 loses self-locking property, the coil spring 9 also can provide upward pulling force for the eyepiece mount 1, gravity-induced gliding is avoided, and the precision and the stability of the equipment are ensured.

Claims

1. The utility model provides a tool microscope, includes the microscope body, the microscope body includes microscope base (14), frame (10), eyepiece seat (1), be fixed with frame (10) on the rear end of microscope base (14), the upper portion front end swing joint of frame (10) has eyepiece seat (1), its characterized in that: the lower end face in the rack (10) is fixedly provided with a coil spring (9) in a penetrating mode through a fixing shaft (19), the upper end face of the rack (10) is provided with a first rubber-coated bearing (2) and a second rubber-coated bearing (4) through a processing shaft (18), the first rubber-coated bearing (2) and the second rubber-coated bearing (4) are located on the front side and the rear side of the rack (10), and a steel wire rope (7) extends from the coil spring (9) to penetrate through the first rubber-coated bearing (2) and the second rubber-coated bearing (4) to be connected with the eyepiece base (1).

2. A tool microscope as claimed in claim 1, wherein: grooves (17) for clamping the steel wire rope (7) are formed in the first rubber-coated bearing (2) and the second rubber-coated bearing (4).

3. A tool microscope as claimed in claim 1, wherein: frame (10) internal fixation has step motor (3), ball screw (8) is connected in step motor (3), ball nut (5) have been cup jointed outward on ball screw (8), ball nut (5) and eyepiece seat connecting block (6) fixed connection, eyepiece seat connecting block (6) fixed connection eyepiece base (15), eyepiece base fixed connection eyepiece seat (1).

4. A tool microscope as claimed in claim 3, wherein: and a stepping motor supporting base (16) is arranged at the inner top of the rack (10).

5. A tool microscope as claimed in claim 1, wherein: the microscope is characterized in that a microscope objective table (11) is arranged at the front end of the microscope base (14), and a microscope arm (13) is connected to the front end of the eyepiece base (1).