Metallographic microscope sample positioning device

Abstract

The utility model discloses a metallographic microscope sample positioning device which comprises a base, a bearing seat is installed on the rear portion of the top wall of the base, a microscope body is installed on the top wall of the bearing seat, an objective table is installed on the front wall of the bearing seat through an adjusting assembly, and a glass slide is installed on the top wall of the objective table. The utility model relates to the technical field of metallographic microscopes. According to the metallographic microscope sample positioning device, the extension rod and the worm are driven to rotate through the first knob, the worm gear, the rotating shaft and the pinion which are meshed with the extension rod and the worm are driven to rotate, the pinion drives the rack and the gear ring to rotate, the gear ring drives the through pipe to rotate in the inner wall of the large bearing and drives the glass slide to rotate, and the observation position of a sample on the glass slide can be adjusted; according to the device, the rotating direction can be adjusted for observation according to own needs when a sample is observed, the applicability of the whole device can be improved, the whole device is simple to operate, and observation and adjustment can be carried out at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of metallographic microscopes, in particular to a metallographic microscope sample positioning device. Background Art

[0002] The metallographic microscope system organically combines the traditional optical microscope with the computer (digital camera) through photoelectric conversion. It can not only make microscopic observations on the eyepiece, but also observe real-time dynamic images on the computer (digital camera) display screen. The computer-type metallographic microscope can edit, save and print the required pictures. Metallography mainly refers to a branch of materials science that uses optical (metallographic) microscopes and stereo microscopes to analyze, study and characterize material microstructures, low-magnification structures and fracture structures. It includes the imaging of material microstructures and their qualitative and quantitative characterization, as well as the necessary sample preparation, preparation and sampling methods. It mainly reflects and characterizes the phases and organizational components of the material, grains (including possible subgrains), non-metallic inclusions and even the number, morphology, size, distribution, orientation, spatial arrangement state, etc. of certain crystal defects (such as dislocations).

[0003] A metallographic microscope sample positioning device is disclosed in the patent with patent number CN202321012565.2, including a box body, a lifting plate connected to the box body in a vertical sliding manner, a lifting plate driving mechanism connected between the lifting plate and the box body, a left-right movable plate movable in the left-right direction and a front-back movable plate movable in the front-back direction are arranged above the lifting plate, a left-right movable plate driving mechanism is connected between the left-right movable plate and the lifting plate, a front-back movable plate driving mechanism is connected between the front-back movable plate and the lifting plate, a same slide is slidably connected between the left-right movable plate and the front-back movable plate, and a placement plate is connected to the slide. The metallographic microscope sample positioning device described in the utility model can adjust the position of the sample in the up-down, left-right, front-back directions by fixing the sample on the placement plate, which is conducive to a more comprehensive observation of the sample and provides convenience for the use of the metallographic microscope.

[0004] The above device has certain shortcomings when used: when observing the sample, one always faces the microscope, and the overall viewing angle is to view the sample from top to bottom. Since the sample is fixed on the stage when placed, it may not be applicable when the sample needs to be rotated for observation.

[0005] Therefore, the utility model provides a metallographic microscope sample positioning device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a metallographic microscope sample positioning device to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical solutions: a metallographic microscope sample positioning device, including a base, a receiving seat is installed at the rear of the top wall of the base, a microscope body is installed on the top wall of the receiving seat, a stage is installed on the front wall of the receiving seat through an adjustment component, a slide is installed on the top wall of the stage, and a rotating component is installed on the bottom wall of the stage;

[0008] The rotating assembly includes two mounting seats, and the adjacent sides of the two mounting seats are rotatably connected to the same worm, and the right end of the worm is fixedly connected to an extension rod through a bearing that passes through the corresponding mounting seat, and a rotating shaft is rotatably installed on the bottom wall of the stage and located on the front wall of the worm through a bearing seat, a pinion is fixedly connected to the top of the outer wall of the rotating shaft, and a worm wheel is fixedly connected to the bottom of the outer wall of the rotating shaft, a large bearing is installed on the inner wall of the stage and located under the slide, a through pipe is fixedly connected to the inner wall of the large bearing, a gear ring is fixedly connected to the outer wall of the through pipe and the position corresponding to the worm wheel, and a rack is fixedly connected to the outer wall of the gear ring.

[0009] Through the above technical solution, the setting of the rotating component can rotate the stage, so as to adjust the position of the sample according to different observation needs, which can improve the applicability of the entire device.

[0010] Furthermore, the two mounting seats are arranged symmetrically on the left and right, the top walls of the two mounting seats are fixedly connected to the bottom wall of the stage, the right end of the extension rod is fixedly connected with a knob 1, the worm gear is meshingly connected to the outer wall of the worm, the rack is meshingly connected to the pinion, and the top end of the through tube is fixedly connected to the middle part of the bottom wall of the slide.

[0011] Through the above technical solution, the extension rod is driven by the knob to drive the worm and the worm wheel to rotate.

[0012] Furthermore, the adjustment component includes an adjustment screw rod, a cross groove is provided on the front wall of the receiving seat, the adjustment screw rod is vertically installed, and the inner wall of the cross groove is rotatably connected to the adjustment screw rod.

[0013] Through the above technical solution, when the adjusting screw rod rotates, it drives the cross block to move linearly in the inner wall of the cross groove.

[0014] Furthermore, a cross block is threadedly installed on the outer wall of the adjusting screw rod, the outer wall of the cross block is slidably connected to the inner wall of the cross groove, and the front wall of the cross block is fixedly connected to the rear wall of the loading platform.

[0015] Through the above technical solution, the cross block slides along the inner wall of the cross groove and drives the loading platform to move.

[0016] Furthermore, the left and right sides of the front wall of the receiving seat are provided with limiting grooves, the rear wall of the loading platform and the positions corresponding to the limiting grooves are fixedly connected with limiting blocks, and the outer walls of the limiting blocks are slidably connected with the corresponding inner walls of the limiting grooves.

[0017] Through the above technical solution, when the loading platform moves, it drives the limit block to slide in the inner wall of the corresponding limit groove.

[0018] Furthermore, a bevel gear 1 is fixedly connected to the top of the outer wall of the adjusting screw rod, a transmission rod is rotatably connected to the left wall of the receiving seat, and a bevel gear 2 is fixedly connected to the right end of the transmission rod through a bearing passing through the receiving seat, and the bevel gear 2 is located in the cross groove, and the bevel gear 2 is meshed with the bevel gear 1.

[0019] Through the above technical solution, the transmission rod drives the bevel gear 2 to rotate when it rotates, and the bevel gear 2 drives the bevel gear 1 and the adjusting screw to rotate when it rotates.

[0020] Furthermore, a second knob is fixedly connected to the left end of the transmission rod.

[0021] Through the above technical solution, the transmission rod is driven to rotate by operating the second knob.

[0022] Beneficial Effects

[0023] The utility model provides a metallographic microscope sample positioning device. Compared with the prior art, it has the following beneficial effects:

[0024] (1) The sample positioning device for a metallographic microscope drives the extension rod and the worm to rotate by turning a knob, and drives the worm wheel, the rotating shaft and the pinion gear meshing therewith to rotate, the pinion gear drives the rack and the gear ring to rotate, the gear ring drives the through tube to rotate in the inner wall of the large bearing, and drives the glass slide to rotate, so that the observation position of the sample on the glass slide can be adjusted, so that when observing the sample, the rotation direction can be adjusted according to one's own needs for observation, which can improve the applicability of the entire device, and the overall operation is simple, and the device can be adjusted while observing.

[0025] (2) The sample positioning device for the metallographic microscope drives the transmission rod, bevel gear 2 and bevel gear 1 to rotate through knob 2, which drives the adjusting screw to rotate. The cross block moves along the outer wall of the adjusting screw on the inner wall of the cross groove. The cross block drives the stage and the slide to move. The stage drives the limit block to slide in the corresponding inner wall of the limit groove to complete the up and down adjustment of the stage height. When the observation magnification of the microscope is adjusted to the limit, the up and down height of the stage can be adjusted, which is mainly used for auxiliary observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is the front view of the external structure of the utility model;

[0027] Figure 2 It is a left view of the external structure of the utility model;

[0028] Figure 3 It is an exploded view of the internal structure of the utility model;

[0029] Figure 4 It is an exploded view of the external structure of the rotating component and the adjusting component of the utility model.

[0030] In the figure, 1 is the base; 2 is the microscope body; 3 is the receiving seat; 4 is the stage; 5 is the rotating assembly; 51 is the through pipe; 52 is the large bearing; 53 is the gear ring; 54 is the rack; 55 is the extension rod; 56 is the rotating shaft; 57 is the pinion; 58 is the worm gear; 59 is the mounting seat; 510 is the worm; 511 is the knob one; 6 is the slide; 7 is the adjusting assembly; 71 is the knob two; 72 is the limit block; 73 is the bevel gear one; 74 is the bevel gear two; 75 is the limit groove; 76 is the cross groove; 77 is the adjusting screw; 78 is the cross block; 79 is the transmission rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1:

[0033] See also Figure 1-4 A metallographic microscope sample positioning device comprises a base 1, a receiving seat 3 is installed at the rear of the top wall of the base 1, a microscope body 2 is installed on the top wall of the receiving seat 3, a stage 4 is installed on the front wall of the receiving seat 3 through an adjustment component 7, a slide 6 is installed on the top wall of the stage 4, and a rotating component 5 is installed on the bottom wall of the stage 4;

[0034] The rotating assembly 5 includes two mounting seats 59, and the adjacent sides of the two mounting seats 59 are both rotatably connected to the same worm 510. The right end of the worm 510 is fixedly connected to an extension rod 55 through a bearing penetrating the corresponding mounting seat 59. A rotating shaft 56 is rotatably installed on the bottom wall of the stage 4 and located at the front wall of the worm 510 through a bearing seat. A pinion 57 is fixedly connected to the top of the outer wall of the rotating shaft 56, and a worm wheel 58 is fixedly connected to the bottom of the outer wall of the rotating shaft 56. A large bearing 52 is installed on the inner wall of the stage 4 and located at the lower part of the slide 6. A through pipe 51 is fixedly connected to the inner wall of the large bearing 52. A gear ring 53 is fixedly connected to the outer wall of the through pipe 51 and the position corresponding to the worm wheel 58. A rack 54 is fixedly connected to the outer wall of the gear ring 53.

[0035] In the embodiment of the utility model, the purpose of this arrangement is that the rotating component 5 is arranged to improve the applicability of the entire device. When the observation position of the sample to be observed needs to be adjusted, the rotating component 5 can be operated to drive the stage 4 and the slide 6 to rotate, and the transmission ratio of the pinion 57 and the gear ring 53 is 8:1, so it can be adjusted while observing, which is very convenient when in use.

[0036] Embodiment 2:

[0037] See also Figure 1-4 , this embodiment provides a technical solution based on the first embodiment: two mounting seats 59 are arranged symmetrically on the left and right, the top walls of the two mounting seats 59 are fixedly connected to the bottom wall of the stage 4, the right end of the extension rod 55 is fixedly connected with a knob 511, the worm wheel 58 is meshed with the outer wall of the worm 510, the rack 54 is meshed with the pinion 57, the top of the through pipe 51 is fixedly connected to the middle of the bottom wall of the slide 6, the adjustment component 7 includes an adjustment screw 77, a cross groove 76 is provided on the front wall of the receiving seat 3, the adjustment screw 77 is vertically installed, the inner wall of the cross groove 76 is rotatably connected to the adjustment screw 77, the outer wall of the adjustment screw 77 is screwed with a cross block 78, the outer wall of the cross block 78 is connected to the cross groove The inner wall of 76 is slidably connected, the front wall of the cross block 78 is fixedly connected to the rear wall of the loading platform 4, the left and right sides of the front wall of the receiving seat 3 are provided with limit grooves 75, the rear wall of the loading platform 4 and the position corresponding to the limit groove 75 are fixedly connected to the limit block 72, the outer wall of the limit block 72 is slidably connected to the inner wall of the corresponding limit groove 75, the top of the outer wall of the adjusting screw rod 77 is fixedly connected to the bevel gear 1 73, the left wall of the receiving seat 3 is rotatably connected to the transmission rod 79, the right end of the transmission rod 79 passes through the receiving seat 3 through the bearing and is fixedly connected to the bevel gear 2 74, the bevel gear 2 74 is located in the cross groove 76, the bevel gear 2 74 is meshed with the bevel gear 1 73, and the left end of the transmission rod 79 is fixedly connected to the knob 2 71;

[0038] In the embodiment of the utility model, the purpose of this arrangement is that the adjustment component 7 can adjust the position height of the stage 4. When the magnification adjustment of the microscope body 2 reaches the limit, the adjustment component 7 can be used to assist in adjusting the overall height of the stage 4, which is more convenient when in use.

[0039] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0040] During operation, first, when using the microscope body 2, the transmission rod 79 and the bevel gear 2 74 can be driven to rotate by turning the knob 2 71. When the bevel gear 2 74 rotates, it drives the bevel gear 1 73 meshing with it to rotate. When the bevel gear 1 73 rotates, it drives the adjusting screw 77 to rotate synchronously. At the same time, when the adjusting screw 77 rotates, it drives the cross block 78 to move linearly along the outer wall of the adjusting screw 77 in the inner wall of the cross groove 76. When the cross block 78 moves, it drives the stage 4 and the slide 6 to move. When the stage 4 moves up and down, it drives the limit block 72 to slide in the corresponding inner wall of the limit groove 75, thereby completing the up and down adjustment of the stage 4. The height can be adjusted by the display The micromirror body 2 observes the sample placed on the glass slide 6. When the position of the glass slide 6 needs to be rotated to adjust the observation position, the knob 511 can be slowly turned to drive the extension rod 55 to rotate. When the extension rod 55 rotates, it drives the worm 510 to rotate, and when the worm 510 rotates, it drives the worm wheel 58 meshing with it to rotate. When the worm wheel 58 rotates, it drives the rotating shaft 56 and the pinion 57 to rotate. When the pinion 57 rotates, it drives the rack 54 and the gear ring 53 meshing with it to rotate. When the gear ring 53 rotates, it drives the through tube 51 to rotate. The through tube 51 rotates in the inner wall of the large bearing 52 and drives the glass slide 6 to rotate when it rotates, so that the sample on the glass slide 6 can be adjusted.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample positioning device for a metallographic microscope, comprising a base (1), characterized in that: A receiving seat (3) is installed on the rear part of the top wall of the base (1), a microscope body (2) is installed on the top wall of the receiving seat (3), a stage (4) is installed on the front wall of the receiving seat (3) via an adjustment component (7), a glass slide (6) is installed on the top wall of the stage (4), and a rotating component (5) is installed on the bottom wall of the stage (4); The rotating assembly (5) comprises two mounting seats (59), and the adjacent sides of the two mounting seats (59) are both rotatably connected to the same worm (510), and the right end of the worm (510) is fixedly connected to an extension rod (55) through a bearing penetrating the corresponding mounting seat (59), and a rotating shaft (56) is rotatably mounted on the bottom wall of the stage (4) and located at the front wall of the worm (510) through a bearing seat, and a pinion (57) is fixedly connected to the top of the outer wall of the rotating shaft (56), and a worm wheel (58) is fixedly connected to the bottom of the outer wall of the rotating shaft (56), and a large bearing (52) is installed on the inner wall of the stage (4) and located at the lower part of the slide (6), and a through pipe (51) is fixedly connected to the inner wall of the large bearing (52), and a gear ring (53) is fixedly connected to the outer wall of the through pipe (51) and the position corresponding to the worm wheel (58), and a rack (54) is fixedly connected to the outer wall of the gear ring (53).

2. A metallographic microscope sample positioning device according to claim 1, characterized in that: The two mounting seats (59) are arranged symmetrically on the left and right, the top walls of the two mounting seats (59) are fixedly connected to the bottom wall of the stage (4), the right end of the extension rod (55) is fixedly connected to a knob 1 (511), the worm wheel (58) is meshingly connected to the outer wall of the worm (510), the rack (54) is meshingly connected to the pinion (57), and the top end of the through tube (51) is fixedly connected to the middle of the bottom wall of the slide glass (6).

3. A metallographic microscope sample positioning device according to claim 1, characterized in that: The adjusting assembly (7) comprises an adjusting screw rod (77). A cross groove (76) is provided on the front wall of the receiving seat (3). The adjusting screw rod (77) is installed vertically. The inner wall of the cross groove (76) is rotatably connected to the adjusting screw rod (77).

4. A metallographic microscope sample positioning device according to claim 3, characterized in that: The outer wall of the adjusting screw rod (77) is threadedly mounted with a cross block (78), the outer wall of the cross block (78) is slidably connected to the inner wall of the cross groove (76), and the front wall of the cross block (78) is fixedly connected to the rear wall of the loading platform (4).

5. A metallographic microscope sample positioning device according to claim 1, characterized in that: The left and right sides of the front wall of the receiving seat (3) are both provided with limiting grooves (75); the rear wall of the loading platform (4) and the positions corresponding to the limiting grooves (75) are fixedly connected to limiting blocks (72); and the outer walls of the limiting blocks (72) are slidably connected to the corresponding inner walls of the limiting grooves (75).

6. A metallographic microscope sample positioning device according to claim 4, characterized in that: The top of the outer wall of the adjusting screw rod (77) is fixedly connected to a bevel gear 1 (73); the left wall of the receiving seat (3) is rotatably connected to a transmission rod (79); the right end of the transmission rod (79) passes through the receiving seat (3) through a bearing and is fixedly connected to a bevel gear 2 (74); the bevel gear 2 (74) is located in the cross groove (76); and the bevel gear 2 (74) is meshedly connected to the bevel gear 1 (73).

7. A metallographic microscope sample positioning device according to claim 6, characterized in that: The left end of the transmission rod (79) is fixedly connected to a second knob (71).

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