CN202177736U

CN202177736U - Automatic upright metallurgical microscope

Info

Publication number: CN202177736U
Application number: CN2011202542961U
Authority: CN
Inventors: 萧泽新; 邓仕超; 于新业; 孟庆新; 肖华鹏; 赵莹莹; 柴华昕; 张雪飞; 李鹏; 肖冉
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2011-07-19
Filing date: 2011-07-19
Publication date: 2012-03-28
Anticipated expiration: 2021-07-19

Abstract

The utility model discloses an automatic just put metallography microscope, including the lens cone, the mirror arm, the workstation, objective, the light source seat, the circuit board, set up the CCD interface at the lens cone top, the workstation is by X to step motor, Y to step motor, Z is to the X of step motor difference control to the platen, Y is to the platen, Z is to the triaxial linkage workstation that the platen is constituteed, objective installs on the objective converter by W axle step motor control, can receive PC instruction and handle and carry out the singlechip circuit of digital regulation to the light source and set up in the circuit board in the microscope. The automatic upright metallographic microscope can carry out position control on an objective table and carry out position detection on an objective converter by controlling X, Y, Z of a workbench through a computer to electrically adjust and electrically switch a lens, can acquire images through a digital CCD (charge coupled device) and display the images on the computer, and can meet the requirements of remote network experiments.

Description

Automatic upright metallurgical microscope

Technical field

The utility model relates to microscope, specifically is a kind of automatic upright metallurgical microscope.

Background technology

At present, traditional automatic upright metallurgical microscope structure by diopter adjusting ring, eyepiece, change times regulator, focusing handwheel, epi-illuminator, object lens, end tight handwheel, worktable, Microscope base, transmitted light seat, catoptron adjusting knob and form.Metallographic sample is placed on the worktable, regulates light-source brightness, rotate change times regulator and carry out the conversion of object lens multiplying power, the rotation focusing handwheel carries out manual focusing, can observe the surface structure and the tissue morphology of metallographic specimen after focusing is clear.

There is following problem in present automatic upright metallurgical microscope:

Though 1, light-source brightness is adjustable, lacks brightness intuitively and show.

2, worktable X, Y, Z have had certain electronic control, but can not realize freely changing and automatic focusing of object lens.

3, the electronic opertaing device that adopts is expensive, technical sophistication, thus cause equipment price expensive.

Summary of the invention

In order to improve automaticity, realize the intuitive and convenient of automatic upright metallurgical microscope operation, and realize the telecommunication network application that the utility model provides a kind of new automatic upright metallurgical microscope.

The automatic upright metallurgical microscope of the utility model; Comprise lens barrel, handel, worktable, object lens, light source base, circuit board; At the lens barrel top CCD interface is set; The three-shaft linkage worktable that the X that worktable is controlled respectively to stepper motor to stepper motor, Z to stepper motor, Y by X forms to platen to platen, Z to platen, Y; Object lens are installed on the Nosepiece by W shaft step motor control, can receive the PC instruction and handle and light source is carried out the single chip circuit that digitizing regulates to be arranged in the circuit board in the microscope.

Above-mentioned three-shaft linkage worktable be followed successively by from bottom to up Z to platen, Y to platen, X to platen; Be provided with spherical guide between three blocks of platens, Z is arranged on the handel to stepper motor, and X is arranged on the side edge of Y to platen to stepper motor; Y is arranged on Z to the platen downside to platen; Z is connected with the stationary table frame to platen, and Z is provided with trimming hand wheel to stepper motor output shaft axle head, and Z is provided with gear and the tooth bar engagement that is arranged on the handel guide rail slide block to the stepper motor output shaft; The stationary table frame connects through slide block and vertical handel guide rail; Y is provided with control hand wheel to an end of stepper motor output shaft, and Y is connected with helical screw through shaft coupling to the other end of stepper motor output shaft, and is fixed on the nut of Z on platen and meshes; X is provided with control hand wheel to an end of stepper motor output shaft, X to the other end of stepper motor output shaft through the screw mandrel that connects be arranged on the nut engagement of X on platen.

For limit better X to platen, Y to the motion of platen, Z to platen; The utility model have restriction X to platen, Y to platen, Z to the photoelectric sensor catch of platen motion and supporting left and right sides extreme position photoelectric sensor, front and back extreme position photoelectric sensor, high-low limit photoelectric sensor for position thereof; X is fixed on X on platen to the photoelectric sensor catch; The limit on the left photoelectric sensor for position be fixed on Y to the platen side along the left side; The limit on the right-right-hand limit photoelectric sensor for position be fixed on Y to the platen side along the right, Y is fixed on Y to the platen bottom side to the photoelectric sensor catch, preceding extreme position photoelectric sensor is fixed on Z to platen bottom side front end; Back extreme position photoelectric sensor is fixed on Z to rear end, platen bottom side; Z is fixed on platen seat side to the photoelectric sensor catch, and the limes superiors photoelectric sensor for position is fixed on top, handel side through the Nosepiece fixing rack for sensor, and the smallest limit photoelectric sensor for position is fixed on bottom, handel side by the Nosepiece fixing rack for sensor.

The utility model is fixed on Nosepiece on the light source base; The W shaft step motor is fixed on the center bottom of light source base through supporting base; A fixing small synchronous pulley on the W shaft step motor axle; Big synchronous pulley is fixed on the Nosepiece side, and big synchronous pulley is connected through being with synchronously with small synchronous pulley.On Nosepiece, settle the Nosepiece sensor; The Nosepiece sensor is fixed on the middle part of Nosepiece fixing rack for sensor; The Nosepiece fixing rack for sensor is fixed on the bottom of light source base, and Nosepiece sensor washer is fixed on the Nosepiece upper end-face edge.

The utility model the Lights section adopts chip microcontroller digitizing light modulation; (three-shaft linkage is the link gear of X Y Z working plate, and four axle linkages are the X, Y, Z of Control work platform electronic switchings to motorized adjustment and camera lens to adopt four axle linkage modes.), can issue an order the X, Y, Z of Control work platform to the electronic switching of motorized adjustment and camera lens to single-chip microcomputer through computing machine; Use photoelectric sensor that objective table is carried out position control, can satisfy the telecommunication network experimental requirements, effectively prevent the maloperation in the motion process simultaneously, the protection instrument.Use photoelectric sensor that Nosepiece is carried out initial position and detect, reduce the cumulative errors of Nosepiece rotation; The CCD interface that is provided with can show on computers through digitizing CCD images acquired, and realize automatic focusing.

In a word, the automatic upright metallurgical microscope of the utility model:

1, automaticity improves greatly, utilizes stepper motor to realize X, Y, the rotation of Z axle and the automatic conversion of Nosepiece, has made things convenient for various focusing operations.

2, automatic focusing is accurate, and speed is fast, utilizes stepper motor to realize moving horizontally of objective table, and control accuracy is high; Through the vertical focusing of stepper motor, realize automatic focusing, controlled progress is high.

3, handling safety, but owing to adopted photoelectric limit switch to make the correctness that moves the opereating specification in the process with automatic focusing at objective table be guaranteed, reduced maloperation effectively.

4, the utility model cost performance is high, and home products is 3 ~ 60,000 yuan, and this product price probably is 1.5 ten thousand yuan.Be starkly lower than similar products at home and abroad, have high cost performance.

Description of drawings

Fig. 1 is the thematic structure synoptic diagram of the automatic upright metallurgical microscope of the utility model;

Fig. 2 is the Mechatronic control system synoptic diagram of the utility model.

Embodiment

See that Fig. 1 combines Fig. 2.

At lens barrel 2 tops CCD1 is set; It under the CCD1 CCD interface 14; The three-shaft linkage worktable that the X that worktable is controlled respectively to stepper motor 10 to stepper motor 7, Z to stepper motor 3, Y by X forms to platen 6 to platen 5, Z to platen 11, Y; Object lens are installed on the Nosepiece 4 by W shaft step motor 28 control, can receive the PC instruction and handle and light source is carried out the single-chip microcomputer 9 that digitizing regulates to be arranged in the circuit board in the microscope.

The X of worktable, Y, Z each to motorized adjustment mechanism mainly to act on be to carry out automatic focusing.Described control gear comprise three-shaft linkage worktable, X to stepper motor 3, Y to stepper motor 7, Z to stepper motor 10, stationary table frame 33, X feed screw nut 29, Y feed screw nut 15 and control hand wheel; The three-shaft linkage worktable is combined to working plate 6 to working plate 5, Z to working plate 11, Y by X; Be followed successively by from bottom to up Z to working plate 6, Y to working plate 5, X to working plate 11; Be provided with spherical guide 24 between three blocks of platens; Z is arranged on the handel 12 to stepper motor 10, and X is arranged on the side edge of Y to working plate 5 to stepper motor 3, and Y is arranged on Z to working plate 6 downsides to working plate 7; Z is connected with stationary table frame 33 to working plate 6; Z is provided with trimming hand wheel to stepper motor 10 output shaft axle heads; Axle is provided with gear and the tooth bar engagement that is arranged on the handel 12 guide rail slide blocks; Stationary table frame 33 connects through slide block and vertical handel 12 guide rails, and Z drives the guide rail slide block to stepper motor 10 and moves to the Z direction, and the Z that realizes whole worktable is to moving; Y is provided with Y to control hand wheel to an end of working plate 7 output shafts; The other end is connected with helical screw through shaft coupling; Mesh with being fixed on the nut of Z on working plate 6, Y makes Y direction to feed screw nut 15 and X to stepper motor 3 to working plate 11, Y to working plate 5, X to working plate 7 rotation drive Y and moves; X links to each other through spherical guide 24 to working plate 5 with Y to working plate 11; X is provided with X to control hand wheel to an end of stepper motor 3; The other end is connected with screw mandrel and is arranged on the nut engagement of X on working plate 11, X to stepper motor 3 rotate drive X to working plate 11, be fixed on the fixed head of the specimen holder of X on working plate 11, microslide and sample and move as directions X.

X is fixed on X on platen 11 to photoelectric sensor catch 23; Limit on the left photoelectric sensor for position 22 be fixed on Y to platen 5 sides along the left side; Limit on the right-right-hand limit photoelectric sensor for position (not marking among the figure) be fixed on Y to platen 5 sides along the right; Y is fixed on Y to platen 5 bottom sides to photoelectric sensor catch 17; Preceding extreme position photoelectric sensor 16 is fixed on Z to platen 6 bottom side front ends, and back extreme position photoelectric sensor 18 is fixed on Z to rear end, platen 6 bottom side, and Z is fixed on platen seat side to photoelectric sensor catch 20; Limes superiors photoelectric sensor for position 11 is fixed on top, handel 12 side through Nosepiece fixing rack for sensor 31, and smallest limit photoelectric sensor for position 19 is fixed on bottom, handel 12 side by Nosepiece fixing rack for sensor 31.

Nosepiece 4 is used to install object lens, is fixed on light source base 12, and the axial stepper motor 28 of W is fixed on the center bottom of light source base 12 through supporting base, a fixing small synchronous pulley 27 on the motor shaft; Big synchronous pulley (not marking among the figure) is fixed on Nosepiece 4 sides, and big synchronous pulley is connected through being with synchronously with small synchronous pulley 27.4 settle Nosepiece sensor 30 on Nosepiece; Nosepiece sensor 30 is fixed on the middle part of Nosepiece fixing rack for sensor 31; Nosepiece fixing rack for sensor 31 is fixed on the bottom of light source base 12, and object lens sensor washer 32 is fixed on Nosepiece 4 upper end-face edges.

The automatic upright metallurgical microscope operational process of the utility model is following: host computer (PC) start, slave computer 9 (single-chip microcomputer) start; Host computer (PC) and slave computer 9 link to each other through data line.Sample is placed on the microslide; Slave computer 9 carries out initial position according to 30 pairs of Nosepieces of Nosepiece sensor 4 and detects, and slave computer 9 is after receiving the reset request of host computer, and the axial stepper motor 28 of control W rotates; Drive Nosepiece 4 and turn to initial position; The axial stepper motor 28 of W stops, and Z rotates to stepper motor 10, and worktable is to motion up and down; Z stops to stepper motor 10, and completion resets; Slave computer 9 is after request is regulated in a left side that receives host computer (right side); Control X rotates to stepper motor 3; Sample with microslide be fixed on the fixed head of sample clipping plate and the specimen holder of X on platen 11, X moves to platen 11 left sides (right side); When X touches the surveyed area of a left side (right side) extreme position photoelectric sensor 22 (not marking the limit on the right-right-hand limit photoelectric sensor for position among the figure) to photoelectric sensor catch 23; A left side (right side) limit position sensor 22 (not marking the limit on the right-right-hand limit photoelectric sensor for position among the figure) sends signal and gives slave computer 9, and slave computer 9 control X stop to stepper motor 3; Slave computer 9 is after request is regulated in preceding (back) that receive host computer; Control Y rotates to platen 7; Sample and Y to platen 5, X to platen 11 together before (back) motion; When Y before photoelectric sensor catch 17 touches (after) surveyed area of limit photoelectrical position sensor 16 (18), preceding (back) limit photoelectrical position sensor 16 (18) sends signals and gives slave computer 9, slave computer 9 control Y stop to platen 7; Slave computer 9 is after the focusing request that receives host computer; Slave computer 9 sends to host computer and detects application and control Z rotates to stepper motor 10, and host computer receives to detect and begins to carry out image data acquiring and image recognition behind the application signal and testing result is shown; Before host computer begins Flame Image Process, need according on once the result of image recognition send the focusing signal to slave computer 9; Slave computer 9 control Z are to stepper motor 10 rotatings; With " hill climbing " search out the most clearly object lens once as, Z stops to stepper motor 10, focusing is accomplished; When Z touches the surveyed area of (descending) extreme position photoelectric sensor 21 (19) to photoelectric sensor catch 20, to go up (descend) limit photoelectrical position sensor 21 (19) and send signals and give slave computer 9, slave computer 9 is controlled Z and is stopped to stepper motor 10.

Claims

1. Automatic upright metallurgical microscope, including lens barrel, mirror column, objective lens, light source seat, and circuit board. It is characterized in that: the top of the lens barrel is equipped with a CCD interface, and the workbench is composed of X-direction stepping motor and Y-direction stepping motor. The three-axis linkage workbench composed of X-direction platen, Y-direction platen and Z-direction platen respectively controlled by the , Z-direction stepping motor, the objective lens is installed on the objective lens converter controlled by the W-axis stepping motor, which can receive instructions from the PC and The single-chip microcomputer circuit for processing and digitally adjusting the light source is arranged on the circuit board in the microscope.

2. The automatic upright metallurgical microscope according to claim 1, characterized in that: the three-axis linkage workbench is followed by a Z-direction platen, a Y-direction platen, and an X-direction platen from bottom to top. Ball guide rail, the Z-direction stepping motor is installed on the mirror arm, the X-direction stepping motor is installed on the side of the Y-direction table, the Y-direction table is installed on the lower side of the Z-direction table, and the Z-direction table is connected to the workbench fixing frame. There is a fine-tuning handwheel at the end of the output shaft of the Z-direction stepping motor, and a gear is provided on the output shaft of the Z-direction stepping motor to mesh with the rack set on the slider of the mirror arm guide rail. One end of the output shaft of the Y-direction stepping motor is provided with an adjustment hand wheel, and the other end of the output shaft of the Y-direction stepping motor is connected with the screw rod through a coupling, and is fixed on the Z-direction platen. The nuts are engaged, one end of the output shaft of the X-direction stepping motor is provided with an adjusting hand wheel, and the other end of the output shaft of the X-direction stepping motor is engaged with the nut on the X-direction platen through the connected screw.

3. The automatic upright metallurgical microscope according to claim 1 or 2, characterized in that: There are photoelectric sensor shutters that limit the movement of the X-direction platen, Y-direction platen, and Z-direction platen and their supporting left and right limit position photoelectric sensors , Front and rear limit position photoelectric sensor, upper and lower limit position photoelectric sensor, X-direction photoelectric sensor block is fixed on the X-direction platen, left limit position photoelectric sensor is fixed on the left side edge of the Y-direction platen, right limit position photoelectric sensor is fixed on the Y-direction platen On the right side of the side edge, the Y-direction photoelectric sensor block is fixed on the bottom side of the Y-direction table, the front limit position photoelectric sensor is fixed on the front end of the bottom side of the Z-direction table, the rear limit position photoelectric sensor is fixed on the bottom rear end of the Z-direction table, and the Z-direction photoelectric sensor is fixed on the bottom side of the Z-direction table. The sensor block is fixed on the side of the plate base, the upper limit position photoelectric sensor is fixed on the upper side of the mirror arm through the objective lens converter sensor fixing bracket, and the lower limit position photoelectric sensor is fixed on the lower side of the mirror arm by the objective lens converter sensor fixing bracket.

4. The automatic upright metallurgical microscope according to claim 1, characterized in that: the objective lens converter is fixed on the light source seat, the W-axis stepping motor is fixed on the bottom middle of the light source seat through the support seat, and the W-axis steps A small synchronous belt pulley is fixed on the motor shaft, a large synchronous belt pulley is fixed on the side of the objective lens converter, and the large synchronous belt pulley and the small synchronous belt pulley are connected by a synchronous belt.

5. according to claim 1 or 3 described automatic upright metallurgical microscopes, it is characterized in that: the nosepiece sensor is placed on the nosepiece, the nosepiece sensor is fixed on the middle part of the nosepiece sensor fixed mount, the nosepiece The sensor fixing frame is fixed on the bottom of the light source seat, and the objective lens converter sensor blank is fixed on the upper edge of the objective lens converter.