Sample conveying device for batch detection of electron microscope

By using ratchet rotation mechanism, cylinder loading mechanism and central alignment mechanism in the electron microscope, the automatic transfer, loading and positioning of samples is achieved, which solves the problems of operation troubles and low control accuracy, and improves detection efficiency and accuracy.

CN222137809UActive Publication Date: 2024-12-10NANJING VISTA NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202420934826.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2024-12-10
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

In existing electron microscopes, the sample transfer device is troublesome to operate. The image movement direction is opposite to the object movement direction, and the reverse direction is required for detection. The control accuracy is low and the hand handling error is large, resulting in large differences in microscopic images.

Method used

The ratchet rotating mechanism, cylinder loading mechanism and central alignment mechanism are adopted to realize the automatic transmission, loading and positioning of samples. The slide is automatically transmitted through the ratchet rotating mechanism, the cylinder loading mechanism is automatically loading, and the center alignment mechanism is automatically calibrated. Position, ensure accurate positioning of the sample on the microscope observation table.

Benefits of technology

It reduces operation difficulty, improves work efficiency, ensures accurate positioning and observation accuracy of samples, reduces shift or shaking during the detection process, and improves the accuracy of detection.

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Abstract

The utility model discloses a sample conveying device for batch detection of an electron microscope. The sample conveying device comprises a ratchet wheel rotating mechanism, an air cylinder feeding mechanism and a center alignment mechanism, the center alignment mechanism comprises a workbench, a microscope assembly and a center alignment assembly. The ratchet wheel rotating mechanism comprises a conveying belt, a center rotating shaft and a ratchet wheel rotating assembly. The central rotating shaft is meshed with the conveyor belt gear; the ratchet wheel rotating assembly comprises a ratchet wheel, a rocker and a first air cylinder. One end of the rocker is rotationally connected with the central rotating shaft, and the output end of the first air cylinder is rotationally connected with the other end of the rocker; a pawl is arranged on the rocker and rotationally connected with the rocker, a spring is arranged on the pawl, and the two ends of the spring are fixedly connected with the pawl and the rocker respectively. According to the utility model, automatic conveying, feeding and positioning of samples are realized, the operation difficulty is reduced, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of glass slide scanning detection instruments, in particular to a sample conveying device used for batch detection by an electron microscope. Background Art

[0002] A microscope is an optical instrument composed of one lens or a combination of several lenses. It is a symbol of mankind's entry into the atomic age. Microscopes are mainly used to magnify tiny objects so that they can be seen by the naked eye. Microscopes are divided into optical microscopes and electron microscopes.

[0003] At present, the prior art CN 216595717 U is a double-station video microscope, including a bottom counterweight base, a longitudinal slide plate is arranged above the bottom counterweight base, a transverse slide plate is arranged above the longitudinal slide plate, a detection mold is fixedly connected to the upper surface of the transverse slide plate, a microscopic adjustment device is arranged at any side of the upper surface of the bottom counterweight base, and the microscopic adjustment device includes two symmetrically arranged longitudinal slide bars, the two longitudinal slide bars are fixedly connected to the upper surface of the bottom counterweight base, and the outer wall of the two longitudinal slide bars is etched with a scale near the middle of the bottom counterweight base, and the sliding distance is conveniently adjusted by the scale, and the outer wall positions of the two longitudinal slide bars are penetrated and slidably connected with a longitudinal slide seat, and a transverse slide seat is fixedly connected to any side of the longitudinal slide seat. The utility model enables the microscope to realize monitoring at different angles of the double station, and the microscopic position of large quantities of products is adjusted by the longitudinal slide plate and the transverse slide plate, so as to realize batch microscopy.

[0004] The above device may have the following problems when in use:

[0005] (1) The operation is cumbersome. The direction of movement of the image in the microscope is opposite to the direction of movement of the actual object. When inspecting the next test slide, it is necessary to move in the opposite direction, which requires high operating experience. When inspecting the test sample, the test sample needs to be pushed to the center of the microscope for observation. Each observation requires fine-tuning to make the test sample imaged in the center area of ​​the microscope.

[0006] (2) The control accuracy is low. When testing the test sample, it is necessary to push the test sample to the center of the microscope for observation. Each observation requires fine-tuning to make the test sample imaged in the center area of ​​the microscope. The manual operation error is large, and the microscopic images taken by different test samples are quite different. When conducting control experiments, the error is large. Summary of the invention

[0007] The utility model overcomes the shortcomings of the prior art and provides a sample conveying device for batch detection by an electron microscope.

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a sample conveying device for batch detection of electron microscope, including a ratchet rotation mechanism, a cylinder feeding mechanism, and a center alignment mechanism;

[0009] The center alignment mechanism comprises: a workbench, a microscope assembly arranged on the workbench, and a center alignment assembly arranged on the microscope assembly;

[0010] The ratchet rotating mechanism comprises: a conveyor belt, a central rotating shaft arranged on both sides of the conveyor belt, and a ratchet rotating assembly arranged on the central rotating shaft; the central rotating shaft is meshed and connected with the conveyor belt gear;

[0011] The ratchet rotating assembly comprises: a ratchet arranged on the central rotating shaft, a rocker arranged on the central rotating shaft, and a first cylinder arranged on the rocker; the central rotating shaft is fixedly connected to the center of the ratchet, one end of the rocker is rotatably connected to the central rotating shaft, and the output end of the first cylinder is rotatably connected to the other end of the rocker; a pawl is arranged on the rocker, the pawl is rotatably connected to the rocker, a spring is arranged on the pawl, and two ends of the spring are respectively fixedly connected to the pawl and the rocker;

[0012] The cylinder feeding mechanism comprises: a lifting assembly arranged on the workbench, a fourth cylinder arranged on the lifting assembly, and a clamping claw cylinder arranged on the fourth cylinder.

[0013] In a preferred embodiment of the utility model, the feature is that the microscope assembly comprises a microscope base, an observation platform arranged on the microscope base, and a microscope arranged on the observation platform.

[0014] In a preferred embodiment of the utility model, the center alignment assembly includes: a plurality of clamping blocks symmetrically arranged on the observation platform, a first connecting rod arranged on the clamping blocks, and a second cylinder connected to the first connecting rod; the clamping blocks are rotatably connected to the first connecting rod, a second connecting rod is arranged on the first connecting rod, and the second connecting rod is rotatably connected to the first connecting rod and the second cylinder respectively; the cylinder is fixedly connected to the workbench.

[0015] In a preferred embodiment of the utility model, a glass slide observation groove is arranged on the observation platform, and the glass slide observation groove matches the shape of the glass slide.

[0016] In a preferred embodiment of the utility model, a plurality of trapezoidal sliding grooves are symmetrically arranged on the observation platform, the shape of the clamping block matches the shape of the trapezoidal sliding groove, and the clamping block is slidably connected to the trapezoidal sliding groove.

[0017] In a preferred embodiment of the utility model, a plurality of fixed ears are provided on both sides of the observation platform, and the fixed ears are fixedly connected to the observation platform; a sliding groove is provided on the second connecting rod, and the fixed ears are slidably connected to the sliding groove.

[0018] In a preferred embodiment of the utility model, the lifting assembly includes: a lifting base, a third cylinder arranged on the lifting base, and a lifting slide arranged on the output end of the third cylinder; the lifting base is fixedly connected to the third cylinder, and the lifting slide is fixedly connected to the fourth cylinder.

[0019] In a preferred embodiment of the utility model, a first industrial camera is arranged on the workbench, and the lens of the first industrial camera faces the clamping position of the clamping cylinder; a second industrial camera is arranged on the observation platform, and the lens of the second industrial camera faces the position of the slide observation slot.

[0020] In a preferred embodiment of the utility model, a plurality of glass slide carriers are equidistantly distributed on the conveyor belt, the glass slide carriers are provided with glass slide placement grooves, the glass slide placement grooves are provided with right-angle chamfers, and the plurality of glass slide carriers are fixedly connected to the conveyor belt.

[0021] In a preferred embodiment of the utility model, a fifth cylinder is arranged on the workbench, a push block is arranged on the output end of the fifth cylinder, the height of the push block matches the height of the slide placement groove, and the push block is fixedly connected to the fifth cylinder.

[0022] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0023] (1) The utility model is provided with a ratchet rotating mechanism, a cylinder loading mechanism and a center alignment mechanism. The ratchet rotating mechanism automatically transmits the glass slide to the specified position, the cylinder loading mechanism automatically loads the glass slide to the observation platform, and the center alignment mechanism automatically calibrates the position of the glass slide. Compared with the traditional device, the utility model realizes the automatic transmission, loading and positioning of the sample, reduces the difficulty of operation and improves the work efficiency.

[0024] (2) The utility model is provided with a center alignment component. The design of the clamping block and the connecting rod mechanism in the component enables the sample to be stably fixed on the observation platform. Compared with the traditional device, the utility model can accurately position the sample on the observation platform of the microscope, thereby ensuring the accuracy of observation and avoiding displacement or shaking during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0026] Figure 1 It is a general three-dimensional structural diagram of a preferred embodiment of the utility model;

[0027] Figure 2 It is a structural diagram of the ratchet rotating mechanism of the preferred embodiment of the utility model;

[0028] Figure 3 It is a structural diagram of a cylinder feeding mechanism of a preferred embodiment of the utility model;

[0029] Figure 4 It is a structural diagram of the center alignment mechanism of the preferred embodiment of the utility model;

[0030] In the figure: 1. ratchet rotating mechanism; 2. cylinder feeding mechanism; 3. center alignment mechanism; 4. workbench; 5. microscope assembly; 6. center alignment assembly; 7. slide carrier; 8. conveyor belt; 9. central rotating shaft; 10. ratchet rotating assembly; 11. ratchet; 12. rocker; 13. first cylinder; 14. second cylinder; 15. spring; 16. lifting assembly; 17. fourth cylinder; 18. clamping claw cylinder; 19. lifting base; 20. third cylinder; 21. lifting slide; 22. microscope base; 23. observation platform; 24. microscope; 25. clamping block; 26. first connecting rod; 27. second connecting rod; 28. fifth cylinder; 29. ​​fixed ear; 30. first industrial camera; 31. second industrial camera; 32. push block; 33. ratchet. DETAILED DESCRIPTION

[0031] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0032] like Figure 1 As shown, a sample conveying device for batch detection by electron microscope includes a ratchet rotation mechanism 1, a cylinder loading mechanism 2, and a center alignment mechanism 3; the device realizes automatic conveyance, loading and alignment of samples, improves the detection efficiency and accuracy of the electron microscope; through automated operation, reduces manual intervention, reduces operation difficulty, and improves work efficiency.

[0033] The center alignment mechanism 3 comprises: a workbench 4, a microscope assembly 5 arranged on the workbench 4, and a center alignment assembly 6 arranged on the microscope assembly 5;

[0034] The microscope assembly 5 includes a microscope base 22, an observation platform 23 disposed on the microscope base 22, and a microscope 24 disposed on the observation platform 23. The microscope assembly 5 is composed of the microscope base 22, the observation platform 23 and the microscope 24, and provides an observation environment for the sample.

[0035] The center alignment assembly 6 includes: a plurality of clamping blocks 25 symmetrically arranged on the observation platform 23, a first connecting rod 26 arranged on the clamping blocks 25, and a second cylinder 14 connected to the first connecting rod 26; the clamping blocks 25 are rotatably connected to the first connecting rod 26, a second connecting rod 27 is arranged on the first connecting rod 26, and the second connecting rod 27 is rotatably connected to the first connecting rod 26 and the second cylinder 14 respectively; the cylinder is fixedly connected to the workbench 4. The center alignment assembly 6 realizes precise alignment of the sample through the clamping blocks 25, the first connecting rod 26, the second cylinder 14 and other components. Ensure that the sample is located at the center of the microscope during observation, and improve the observation accuracy.

[0036] The observation platform 23 is provided with a glass slide observation groove, which matches the shape of the glass slide.

[0037] A plurality of trapezoidal sliding grooves are symmetrically arranged on the observation platform 23 . The shape of the clamping block 25 matches the shape of the trapezoidal sliding grooves, and the clamping block 25 is slidably connected to the trapezoidal sliding grooves.

[0038] A plurality of fixed ears 29 are provided on both sides of the observation platform 23, and the fixed ears 29 are fixedly connected to the observation platform 23; a sliding groove is provided on the second connecting rod 27, and the fixed ears 29 are slidably connected to the sliding groove.

[0039] The ratchet rotating mechanism 1 comprises: a conveyor belt 8, a central rotating shaft 9 arranged on both sides of the conveyor belt 8, and a ratchet rotating assembly 10 arranged on the central rotating shaft 9; the central rotating shaft 9 is meshedly connected with the conveyor belt 8 by gears.

[0040] The ratchet rotating assembly 10 includes: a ratchet 11 arranged on the central rotating shaft 9, a rocker 12 arranged on the central rotating shaft 9, and a first cylinder 13 arranged on the rocker 12; the central rotating shaft 9 is fixedly connected to the center of the ratchet 11, one end of the rocker 12 is rotatably connected to the central rotating shaft 9, and the output end of the first cylinder 13 is rotatably connected to the other end of the rocker 12; a ratchet 33 is arranged on the rocker 12, the ratchet 33 is rotatably connected to the rocker 12, a spring 15 is arranged on the ratchet 33, and the two ends of the spring 15 are respectively fixedly connected to the ratchet 33 and the rocker 12. The rocker 12 is driven by the first cylinder 13, so that the ratchet 33 cooperates with the ratchet 11 to realize the stepping motion of the conveyor belt; the stability and continuity of the sample during the transmission process are ensured, and the transmission efficiency is improved.

[0041] The cylinder feeding mechanism 2 includes: a lifting assembly 16 arranged on the workbench 4 , a fourth cylinder 17 arranged on the lifting assembly 16 , and a clamping cylinder 18 arranged on the fourth cylinder 17 .

[0042] The lifting assembly 16 includes: a lifting base 19, a third cylinder 20 arranged on the lifting base 19, and a lifting slide 21 arranged on the output end of the third cylinder 20; the lifting base 19 is fixedly connected to the third cylinder 20, and the lifting slide 21 is fixedly connected to the fourth cylinder 17. The lifting assembly 16 controls the lifting and lowering of the lifting slide 21 through the third cylinder 20 to achieve the up and down movement of the clamping cylinder 18. The clamping cylinder 18 is responsible for grabbing the sample. Automatically grabbing and lifting the sample is realized, and the automatic loading of the sample is completed in cooperation with the conveyor belt.

[0043] The workbench 4 is provided with a first industrial camera 30, the lens of which faces the clamping position of the clamping cylinder 18; the observation platform 23 is provided with a second industrial camera 31, the lens of which faces the position of the slide observation slot. The workbench 4 is provided with a first industrial camera 30 and a second industrial camera 31, which are used to monitor the clamping position of the clamping cylinder 18 and the sample position of the slide observation slot, respectively. The fifth cylinder 28 and the push block 32 are used in combination to push the sample from the slide carrier 7 to the slide observation slot. Through visual monitoring and automatic pushing, the accuracy and efficiency of the operation are further improved.

[0044] Several slide carriers 7 are evenly distributed on the conveyor belt 8, and the slide carriers 7 are provided with slide placement grooves, and the slide placement grooves are provided with right-angle chamfers, and several slide carriers 7 are fixedly connected to the conveyor belt 8. The slide carriers 7 are evenly distributed on the conveyor belt 8, and each carrier is provided with a slide placement groove, and the groove is designed with a right-angle chamfer to facilitate the insertion and removal of samples. Ensure the stability and safety of the sample during the transmission process, while facilitating operation.

[0045] A fifth cylinder 28 is disposed on the workbench 4 , and a push block 32 is disposed on the output end of the fifth cylinder 28 . The height of the push block 32 matches the height of the slide placement slot, and the push block 32 is fixedly connected to the fifth cylinder 28 .

[0046] When the utility model is used, the first cylinder 13 drives the crank, and the pawl 33 on the crank drives the ratchet 11 to rotate a certain angle, the ratchet 11 drives the central rotating shaft 9 to rotate, and the central rotating shaft 9 drives the conveyor belt 8 to perform the loading movement; the first cylinder 13 repeats the reciprocating movement, the conveyor belt 8 continuously performs the loading movement, places the slide on the slide carrier 7, and the conveyor belt 8 transports the slide to the position of the pushing block 32, and the fifth cylinder 28 drives the pushing block 32 to push the slide to the specified position of the slide base, and limits the slide. After the limiting is completed, the fifth cylinder 28 is reset; the limited slide is transported to the loading position by the conveyor belt 8, the first cylinder 13 stops starting, and the first industrial camera 30 performs the first recognition of the number on the slide; after the recognition, the clamping claw cylinder 18 clamps and fixes the slide, the third cylinder 20 raises the slide to the horizontal height of the observation platform 23, and the fourth cylinder 17 raises the slide to the horizontal height of the observation platform 23. The slide is pushed into the observation slot of the observation platform 23, the gripper cylinder 18 is reset, and the slide falls on the observation slot; the second industrial camera 31 identifies the slide number; the second cylinder 14 on the observation platform 23 is started, driving the second connecting rod 27 to rotate and slide at the same time, the first connecting rod 26 on the second connecting rod 27 is rotated and moved, driving the clamping block 25 to slide along the trapezoidal sliding slot, the two clamping blocks 25 approach the center from both sides, clamp the slide, so that the slide is in the center position, and the microscope 24 observes and records the slide; after the observation is completed, the gripper cylinder 18 clamps the slide, the second cylinder 14, the fourth cylinder 17 and the third cylinder 20 are reset in sequence respectively, and then the gripper cylinder 18 is reset, the first industrial camera 30 recognizes the same number of the slide for the second time, the first cylinder 13 is restarted, and the conveyor belt 8 transports the next slide to the loading position.

[0047] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A sample conveying device for batch detection by electron microscope, comprising a ratchet rotating mechanism (1), a cylinder feeding mechanism (2), and a center alignment mechanism (3); characterized in that: The center alignment mechanism (3) comprises: a workbench (4), a microscope assembly (5) arranged on the workbench (4), and a center alignment assembly (6) arranged on the microscope assembly (5); The ratchet rotating mechanism (1) comprises: a conveyor belt (8), a central rotating shaft (9) arranged on both sides of the conveyor belt (8), and a ratchet rotating assembly (10) arranged on the central rotating shaft (9); the central rotating shaft (9) is meshedly connected with the conveyor belt (8) gear; The ratchet rotating assembly (10) comprises: a ratchet (11) arranged on the central rotating shaft (9), a rocking arm (12) arranged on the central rotating shaft (9), and a first cylinder (13) arranged on the rocking arm (12); the central rotating shaft (9) is fixedly connected to the center of the ratchet (11), one end of the rocking arm (12) is rotationally connected to the central rotating shaft (9), and the output end of the first cylinder (13) is rotationally connected to the other end of the rocking arm (12); a ratchet pawl (33) is arranged on the rocking arm (12), the ratchet pawl (33) is rotationally connected to the rocking arm (12), a spring (15) is arranged on the ratchet pawl (33), and two ends of the spring (15) are respectively fixedly connected to the ratchet pawl (33) and the rocking arm (12); The cylinder loading mechanism (2) comprises: a lifting assembly (16) arranged on the workbench (4), a fourth cylinder (17) arranged on the lifting assembly (16), and a clamping cylinder (18) arranged on the fourth cylinder (17).

2. A sample conveying device for batch detection by electron microscope according to claim 1, characterized in that: The microscope assembly (5) comprises: a microscope base (22), an observation platform (23) arranged on the microscope base (22), and a microscope (24) arranged on the observation platform (23).

3. The sample conveying device for batch detection by electron microscope according to claim 2, characterized in that: The center alignment assembly (6) comprises: a plurality of clamping blocks (25) symmetrically arranged on the observation platform (23), a first connecting rod (26) arranged on the clamping blocks (25), and a second cylinder (14) connected to the first connecting rod (26); the clamping blocks (25) are rotatably connected to the first connecting rod (26), a second connecting rod (27) is arranged on the first connecting rod (26), and the second connecting rod (27) is rotatably connected to the first connecting rod (26) and the second cylinder (14) respectively; and the cylinder is fixedly connected to the workbench (4).

4. The sample conveying device for batch detection by electron microscope according to claim 2, characterized in that: The observation platform (23) is provided with a glass slide observation groove, and the glass slide observation groove matches the shape of the glass slide.

5. The sample conveying device for batch detection by electron microscope according to claim 3, characterized in that: A plurality of trapezoidal sliding grooves are symmetrically arranged on the observation platform (23); the shape of the clamping block (25) matches the shape of the trapezoidal sliding grooves; and the clamping block (25) is slidably connected to the trapezoidal sliding grooves.

6. The sample conveying device for batch detection by electron microscope according to claim 3, characterized in that: A plurality of fixed ears (29) are arranged on both sides of the observation platform (23), and the fixed ears (29) are fixedly connected to the observation platform (23); a sliding groove is arranged on the second connecting rod (27), and the fixed ears (29) are slidably connected to the sliding groove.

7. The sample conveying device for batch detection by electron microscope according to claim 1, characterized in that: The lifting assembly (16) comprises: a lifting base (19), a third cylinder (20) arranged on the lifting base (19), and a lifting slide (21) arranged on the output end of the third cylinder (20); the lifting base (19) is fixedly connected to the third cylinder (20), and the lifting slide (21) is fixedly connected to the fourth cylinder (17).

8. The sample conveying device for batch detection by electron microscope according to claim 1, characterized in that: A first industrial camera (30) is arranged on the workbench (4), and the lens of the first industrial camera (30) is oriented toward the clamping position of the clamping cylinder (18); a second industrial camera (31) is arranged on the observation platform (23), and the lens of the second industrial camera (31) is oriented toward the position of the slide observation slot.

9. The sample conveying device for batch detection by electron microscope according to claim 1, characterized in that: A plurality of glass slide carriers (7) are evenly spaced on the conveyor belt (8), each glass slide carrier (7) being provided with a glass slide placement groove, a right-angle chamfer being provided on the glass slide placement groove, and the plurality of glass slide carriers (7) are fixedly connected to the conveyor belt (8).

10. The sample conveying device for batch detection by electron microscope according to claim 9, characterized in that: The workbench (4) is provided with a fifth cylinder (28), and the output end of the fifth cylinder (28) is provided with a push block (32). The height of the push block (32) matches the height of the slide placement groove, and the push block (32) is fixedly connected to the fifth cylinder (28).