CN220730050U - Raman spectrum detection device - Google Patents
Raman spectrum detection device Download PDFInfo
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- CN220730050U CN220730050U CN202322417585.4U CN202322417585U CN220730050U CN 220730050 U CN220730050 U CN 220730050U CN 202322417585 U CN202322417585 U CN 202322417585U CN 220730050 U CN220730050 U CN 220730050U
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- frame plate
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- probe
- gear
- raman spectrum
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000001237 Raman spectrum Methods 0.000 title claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000001069 Raman spectroscopy Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a Raman spectrum detection device, which belongs to the technical field of Raman spectrum detection, and comprises a detection table, wherein the middle part of the detection table is provided with a sliding groove and extends along a first direction; the object carrying disc is arranged in the sliding groove in a sliding way; the rack is fixedly arranged at the bottom of the carrying disc; the probe assembly is erected on the top of the detection table and comprises a probe and a moving assembly for driving the probe to move in a second direction; the second direction is perpendicular to the first direction; the gear driving assembly comprises a first driving gear and a driving transmission part which are driven by the same driving shaft; the driving shaft is arranged below the detection table through the operation frame plate sliding frame, and the operation frame plate slides along the second direction; when the operation rack plate is positioned at the initial position, the first driving gear is meshed with the rack; when the operation frame plate moves to a certain position, the first driving gear is disengaged, and the driving transmission part is matched with the moving assembly to drive the probe to move. The device can be used for rapidly centering a sample to be detected and performing Raman spectrum detection.
Description
Technical Field
The utility model relates to the technical field of Raman spectrum detection, in particular to a Raman spectrum detection device.
Background
The raman spectrum detection technique is a detection method for analyzing a substance component by detecting a raman spectrum generated by a sample using a laser as an excitation light source. Due to the sampleThe raman spectrum is very weak, about only 10% of the intensity of the laser excitation -10 ～10 -6 Therefore, how to accurately drop the laser focusing point on the sample to be measured and at the same time accurately drop the laser focusing point on the focus of the Raman spectrum collecting lens, so that the collecting efficiency of the Raman light intensity is improved, and the laser Raman spectrometer becomes an important problem to be solved.
In a conventional sample rapid centering manner, a carrying platform carrying a sample is moved under a probe, and a better detection point is found by changing the position of the sample, so that a tester can detect the maximum raman optical signal of the sample. However, this method is very inconvenient to operate, requires repeated adjustment to increase the number of detection times, and has low moving accuracy, resulting in low detection efficiency.
Disclosure of Invention
In order to solve the technical problem of how to quickly center a sample to be detected, the utility model provides the following technical scheme:
a raman spectrum detection apparatus comprising:
the middle part of the detection table is provided with a sliding groove and extends along a first direction;
the object carrying disc is arranged in the sliding groove in a sliding way;
the rack is fixedly arranged at the bottom of the carrying disc;
the probe assembly is erected on the top of the detection table and comprises a probe and a moving assembly for driving the probe to move along a second direction; the second direction is perpendicular to the first direction;
the gear driving assembly comprises a first driving gear and a driving transmission part which are driven by the same driving shaft; the driving shaft is arranged below the detection table through an operation frame plate sliding frame, and the operation frame plate slides along a second direction; an operation nut is fixedly connected to one end of the driving shaft;
when the operation rack plate is positioned at the initial position, the first driving gear is meshed with the rack; when the operation frame plate moves to a certain position, the first driving gear is disengaged, and the driving transmission part is matched with the moving assembly to drive the probe to move.
Preferably, the bottom of the carrying disc is fixedly provided with a first sliding rod; the first sliding rod passes through the sliding groove and is fixed with a sliding plate; the rack is fixedly arranged at the bottom of the sliding plate.
Preferably, one end of the top of the detection table is provided with a first moving groove; the first moving groove extends along a second direction; the moving assembly includes:
a probe holder; the probe frame is arranged on the probe bracket, and the lower end of the probe bracket is arranged in the first moving groove in a sliding way;
the screw rod passes through the lower end of the probe bracket and is in threaded fit with the probe bracket; and two ends of the screw rod are respectively and rotatably connected with two ends of the first movable groove.
Preferably, the drive transmission means comprises a second drive gear; the second driving gear is fixedly arranged on the driving shaft;
the device also comprises a synchronization component; the synchronization assembly includes
The driven gear is erected below the detection table and is positioned on the other side of the operation frame plate; the second driving gear is meshed with the driven gear when driven to move to a certain position by the movement of the operation frame plate;
and the synchronous belt structure is respectively connected with the driven gear and the screw rod in a transmission way.
Preferably, the synchronous belt structure includes:
the first belt wheel is fixedly connected with the screw rod;
the belt pulley frame plate is fixedly arranged at the bottom of the detection table; a second belt pulley is rotatably arranged on the belt pulley frame plate; the second belt pulley is in transmission connection with the first belt pulley through a first synchronous belt;
the gear frame plate is fixedly arranged at the bottom of the detection table;
the third belt pulley is rotatably arranged on the gear frame plate; the driven gear is fixedly connected with the third belt wheel; the third belt pulley is in transmission connection with the second belt pulley through a second synchronous belt.
Preferably, the top of the detection table is provided with a second moving groove; the second moving groove extends along a second direction; the top of the operating frame plate is fixedly provided with a second sliding rod which is arranged in the second moving groove in a sliding way; the end part of the second sliding rod is fixedly provided with a sliding block; the bottom of the sliding block is abutted with the top of the detection table.
Preferably, the device further comprises an elastic limiting assembly; the elastic limiting assembly comprises:
the spring frame plate is fixedly arranged at the bottom of the detection table; the driving shaft passes through the spring frame plate and is in sliding fit with the spring frame plate;
and two ends of the spring are respectively connected with the spring frame plate and the operation frame plate.
Preferably, support columns are fixedly arranged at four corners of the bottom of the detection table; the end of the support column is fixed with a support plate.
The utility model has the beneficial effects that:
the utility model provides a Raman spectrum detection device, which can respectively drive the movement of a carrying disc and a probe through rotating the positions of a driving shaft and a movable driving shaft and respectively driving the first driving gear and the second driving gear, so that the rapid centering of a sample to be detected can be realized rapidly, the whole adjustment process can be realized only by rotating the driving shaft, the operation is simpler, and the efficiency of sample positioning is higher.
Drawings
FIG. 1 is a perspective view of the overall structure of a Raman spectrum detection apparatus according to an embodiment of the present utility model;
FIG. 2 is a perspective view showing the internal structure of a Raman spectrum detection apparatus according to an embodiment of the present utility model;
FIG. 3 is a side view of a Raman spectrum detection apparatus according to an embodiment of the present utility model;
fig. 4 is a front view of a raman spectrum detection apparatus according to an embodiment of the present utility model.
In the figure, 1, a probe; 2. a carrying tray; 3. operating the nut; 4. a detection table; 5. a support column; 6. a support plate; 7. a probe holder; 8. a sliding plate; 9. a rack; 10. a first drive gear; 11. a second drive gear; 12. a driven gear; 13. a gear rack plate; 14. a second timing belt; 15. a pulley frame plate; 16. a second pulley; 17. a first synchronization belt; 18. a first pulley; 19. a screw; 20. an operation rack plate; 21. a drive shaft; 22. a spring; 23. a spring frame plate; 24. a sliding block.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
A Raman spectrum detection device, as shown in figures 1-4, comprises a detection table 4, a carrying disc 2, a rack 9, a probe assembly and a gear driving assembly.
As shown in fig. 2, the middle part of the detection table 4 has a sliding groove and extends in a first direction; the carrying disc 2 is arranged in the sliding groove in a sliding way, and specifically, a first sliding rod is fixedly arranged at the bottom of the carrying disc 2; the first sliding rod passes through the sliding groove and is fixed with a sliding plate 8; the rack 9 is fixedly arranged at the bottom of the sliding plate 8. The probe assembly is erected on the top of the detection table 4 and comprises a probe 1 and a moving assembly for driving the probe 1 to move in a second direction; the second direction is perpendicular to the first direction; the gear drive assembly comprises a first drive gear 10 and a drive transmission member with a drive shaft 21; the drive shaft 21 is slidably mounted under the inspection table 4 by the operation panel 20, and the operation panel 20 is slid in the second direction; one end of the driving shaft 21 is fixedly connected with an operation nut 3;
when the operation rack plate 20 is positioned at the initial position, the first driving gear 10 is meshed with the rack 9, and when the operation nut 3 is rotated, the rack 9 is driven to move, namely, the carrying tray 2 carrying the sample to be detected is driven to move; when the operation frame plate 20 moves to a certain position, the first driving gear 10 is disengaged, and the driving transmission part is matched with the moving assembly to drive the probe 1 to move.
As shown in fig. 2 and 3, one end of the top of the detection table 4 has a first moving groove; the first moving groove extends along the second direction; the moving assembly comprises a probe holder 7 and a screw 19. The probe 1 is erected on the probe bracket 7, and the lower end of the probe bracket 7 is arranged in the first moving groove in a sliding way; the screw 19 passes through the lower end of the probe bracket 7 and is in threaded fit with the probe bracket 7; both ends of the screw 19 are respectively rotatably connected with both ends of the first moving groove. When the screw 19 rotates, the probe support 7 is driven to move along the first moving groove.
Further, in order to realize the rapid switching of the single control end control object, the driving transmission part comprises a second driving gear 11; the second drive gear 11 is fixedly arranged on the drive shaft 21; the apparatus further includes a synchronization component; the timing assembly includes a driven gear 12 and a timing belt structure.
A driven gear 12 which is arranged below the detection table 4 and is positioned on the other side of the operation frame plate 20; the second driving gear 11 is meshed with the driven gear 12 when driven to move to a certain position by the movement of the operation frame plate 20; the synchronous belt structure is respectively connected with the driven gear 12 and the screw 19 in a transmission way.
Specifically, as shown in fig. 2 and 3, the timing belt structure includes a first pulley 18, a pulley frame plate 15, a pulley frame plate 13, and a third pulley. The first belt pulley 18 is fixedly connected with the screw 19, the belt pulley frame plate 15 is fixedly arranged at the bottom of the detection table 4, the belt pulley frame plate 15 is rotatably provided with a second belt pulley 16, the second belt pulley 16 is in transmission connection with the first belt pulley 18 through a first synchronous belt 17, the belt pulley frame plate 13 is fixedly arranged at the bottom of the detection table 4, and the third belt pulley is rotatably arranged on the belt pulley frame plate 13; the driven gear 12 is fixedly connected with the third belt wheel; the third pulley is in driving connection with the second pulley 16 via the second timing belt 14.
In order to facilitate the stability of the movement of the operation panel 20, as shown in fig. 4, the top of the inspection table 4 has a second movement groove; the second moving groove extends along a second direction; the top of the operation frame plate 20 is fixedly provided with a second sliding rod which is arranged in the second moving groove in a sliding way; the end part of the second sliding rod is fixedly provided with a sliding block 24; the bottom of the slide block 24 abuts against the top of the inspection table 4.
For ease of operation, and for flexible switching of the two control modes. The elastic limiting assembly is also included; the elastic limiting assembly comprises: a spring frame plate 23 fixedly arranged at the bottom of the detection table 4; the drive shaft 21 passes through the spring frame plate 23 and is in sliding fit with the spring frame plate 23; a spring 22, both ends of which are connected to the spring holder plate 23 and the operation holder plate 20, respectively.
In addition, support columns 5 are fixedly arranged at four corners of the bottom of the detection table 4; a support plate 6 is fixed to the end of the support column 5.
In the present embodiment of the present utility model,
the sample is placed on the tray 2 and the height of the probe 1 is determined. At this time, the operation panel 20 is at the initial position due to the elastic force of the spring 22, and the first driving gear 10 is engaged with the rack 9. By rotating the operating nut 3, the rack 9 is driven to move, and the carrying disc 2 is driven to move, so that the sample is sent to the lower part of the probe 1, and preliminary alignment in the direction is performed.
The operation rack plate 20 is pushed to disengage the first drive gear 10 from the rack 9, and simultaneously to engage the second drive gear 11 with the driven gear 12. The driven gear 12 is driven to rotate by rotating the operating nut 3, and the screw 19 is driven to rotate by a two-group synchronous belt structure. The probe bracket 7 is driven to move through the transmission mode of the screw rod sliding block, so that the position is further confirmed.
The operation frame plate 20 is loosened, the first driving gear 10 is re-meshed with the rack 9 under the elastic restoring force of the spring 22, the final centering operation is performed, and finally the raman spectrum detection is performed through the probe 1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A raman spectrum detection apparatus, comprising:
a detection table (4) having a sliding groove in the middle thereof and extending in a first direction;
the carrying disc (2) is arranged in the sliding groove in a sliding way;
the rack (9) is fixedly arranged at the bottom of the carrying disc (2);
the probe assembly is erected at the top of the detection table (4) and comprises a probe (1) and a moving assembly for driving the probe (1) to move in a second direction; the second direction is perpendicular to the first direction;
a gear drive assembly comprising a first drive gear (10) and a drive transmission member with a drive shaft (21); the driving shaft (21) is arranged below the detection table (4) through a sliding frame of the operation frame plate (20), and the operation frame plate (20) slides along a second direction; one end of the driving shaft (21) is fixedly connected with an operation nut (3);
wherein, when the operation rack plate (20) is positioned at the initial position, the first driving gear (10) is meshed with the rack (9); when the operation frame plate (20) moves to a certain position, the first driving gear (10) is disengaged, the driving transmission part is matched with the moving assembly, and the probe (1) is driven to move.
2. Raman spectrum detection device according to claim 1, characterized in that the bottom of said carrying disc (2) is fixedly provided with a first sliding rod; the first sliding rod passes through the sliding groove and is fixed with a sliding plate (8); the rack (9) is fixedly arranged at the bottom of the sliding plate (8).
3. Raman spectrum detection apparatus according to claim 1, characterized in that one end of the top of the detection table (4) is provided with a first movement slot; the first moving groove extends along a second direction; the moving assembly includes:
a probe holder (7); the probe (1) is erected on the probe bracket (7), and the lower end of the probe bracket (7) is arranged in the first moving groove in a sliding way;
the screw rod (19) passes through the lower end of the probe bracket (7) and is in threaded fit with the probe bracket (7); two ends of the screw rod (19) are respectively connected with two ends of the first movable groove in a rotating way.
4. A raman spectrum detection device according to claim 3, characterized in that said drive transmission member comprises a second drive gear (11); the second driving gear (11) is fixedly arranged on the driving shaft (21);
the device also comprises a synchronization component; the synchronization assembly includes
A driven gear (12) which is arranged below the detection table (4) and is positioned at the other side of the operation frame plate (20); the second driving gear (11) is meshed with the driven gear (12) when driven to move to a certain position by the movement of the operation frame plate (20);
and the synchronous belt structure is respectively connected with the driven gear (12) and the screw rod (19) in a transmission way.
5. The raman spectrum detection device according to claim 4, wherein the synchronous belt structure comprises:
the first belt wheel (18) is fixedly connected with the screw rod (19);
the pulley frame plate (15) is fixedly arranged at the bottom of the detection table (4); a second belt wheel (16) is rotatably arranged on the belt wheel frame plate (15); the second belt wheel (16) is in transmission connection with the first belt wheel (18) through a first synchronous belt (17);
the gear plate (13) is fixedly arranged at the bottom of the detection table (4);
the third belt pulley is rotatably arranged on the gear frame plate (13); the driven gear (12) is fixedly connected with the third belt wheel; the third belt pulley is in transmission connection with the second belt pulley (16) through a second synchronous belt (14).
6. Raman spectrum detection device according to claim 1, characterized in that the top of said detection table (4) has a second mobile tank; the second moving groove extends along a second direction; a second sliding rod is fixedly arranged at the top of the operation frame plate (20), and the second sliding rod is arranged in the second moving groove in a sliding way; a sliding block (24) is fixedly arranged at the end part of the second sliding rod; the bottom of the sliding block (24) is abutted with the top of the detection table (4).
7. The raman spectrum detection device according to claim 1, further comprising an elastic limiting assembly; the elastic limiting assembly comprises:
a spring frame plate (23) fixedly arranged at the bottom of the detection table (4); the drive shaft (21) passes through the spring frame plate (23) and is in sliding fit with the spring frame plate (23);
and the two ends of the spring (22) are respectively connected with the spring frame plate (23) and the operation frame plate (20).
8. Raman spectrum detection apparatus according to claim 1, characterized in that the bottom four corners of the detection table (4) are fixedly provided with support columns (5); the end part of the support column (5) is fixed with a support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417585.4U CN220730050U (en) | 2023-09-06 | 2023-09-06 | Raman spectrum detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417585.4U CN220730050U (en) | 2023-09-06 | 2023-09-06 | Raman spectrum detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730050U true CN220730050U (en) | 2024-04-05 |
Family
ID=90490192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322417585.4U Active CN220730050U (en) | 2023-09-06 | 2023-09-06 | Raman spectrum detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730050U (en) |
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2023
- 2023-09-06 CN CN202322417585.4U patent/CN220730050U/en active Active
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