CN213544480U - Automatic sample introduction device for ion chromatography - Google Patents
Automatic sample introduction device for ion chromatography Download PDFInfo
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- CN213544480U CN213544480U CN202022570315.3U CN202022570315U CN213544480U CN 213544480 U CN213544480 U CN 213544480U CN 202022570315 U CN202022570315 U CN 202022570315U CN 213544480 U CN213544480 U CN 213544480U
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Abstract
The utility model relates to an automatic sample introduction device of ion chromatography, which comprises an ion chromatograph, a tray component and a feeding component; the ion chromatograph is provided with a tray assembly, and the side surface of the ion chromatograph is provided with a feeding assembly; the feeding assembly comprises a supporting table, a test tube bin, a sample injection channel, a push block, a push rod and a first spring; the test tube warehouse is characterized in that a test tube warehouse is fixedly connected to the top of the supporting table, a sample injection channel is fixedly connected to the side face of the test tube warehouse, a push block is slidably mounted in the test tube warehouse, a plurality of push rods are fixedly connected to the back face of the push block, the push rods penetrate through the side wall of the test tube warehouse in a sliding mode, a first spring is fixedly connected to the back face of the push block, the other end of the first spring is fixedly connected to the side wall of the test tube warehouse, and the inner; the automatic feeding of the ion chromatograph is realized, the workload of workers is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to an ion chromatograph technical field especially relates to an ion chromatography's autoinjection device.
Background
Ion chromatography is one of high performance liquid chromatography, so it is also called High Performance Ion Chromatography (HPIC) or modern ion chromatography, which is different from traditional ion exchange chromatography column chromatography mainly in that resin has very high crosslinking degree and low exchange capacity, sample introduction volume is very small, and the on-line automatic continuous conductivity detection is usually carried out on the eluate by conveying eluate with plunger pump.
Most of the existing ion chromatographs are manually fed, only single-time intermittent operation can be carried out, a valve needs to be manually placed at a feeding control position during each sample test, a sample solution to be tested is injected into the ion chromatograph, and then the valve is manually placed at an analysis control position; manual sample introduction increases the workload of workers and reduces the working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem lie in providing an automatic sampling device of ion chromatogram, solved current ion chromatograph and mostly had manual kind introduction, can only the single be interrupted the operation, need manually arrange the valve in advance when each sample test and advance kind control position, pour into the sample solution that awaits measuring into ion chromatogram, then manually arrange the valve in analysis control position again. The manual sample introduction increases the workload of workers and reduces the technical problem of working efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic sample introduction device for ion chromatography comprises an ion chromatograph, a tray assembly and a feeding assembly; the ion chromatograph is provided with a tray assembly, and the side surface of the ion chromatograph is provided with a feeding assembly;
the feeding assembly comprises a supporting table, a test tube bin, a sample injection channel, a push block, a push rod and a first spring; supporting bench top rigid coupling test tube storehouse, test tube storehouse side rigid coupling has the introduction channel, the inside slidable mounting ejector pad in test tube storehouse, a plurality of push rods of ejector pad back rigid coupling, the push rod slides and runs through test tube storehouse lateral wall, the first spring of ejector pad back rigid coupling, the first spring other end and test tube storehouse lateral wall rigid coupling, the outer lane at the push rod is overlapped to first spring inner circle.
Preferably, the other end of the push rod is fixedly connected with a push plate, a plurality of sliding rod grooves are formed in the side face of the supporting table, sliding rods are slidably mounted in the sliding rod grooves, and the sliding rods are fixedly connected with the push plate.
Preferably, the sampling channel is provided with servo motors on two sides, the side wall of the sampling channel is provided with a plurality of notches, the servo motor output shaft is fixedly connected with a plurality of pressing wheels, and the pressing wheels are in running fit with the notches.
Preferably, the tray assembly comprises a chassis, a motor groove, a driving motor, a mounting shaft, a test tube tray and a test tube groove; the test tube test device is characterized in that a motor groove is formed in the middle of the top side of the chassis, a driving motor is installed in the motor groove, an output shaft of the driving motor is fixedly connected with an installation shaft, two ends of the installation shaft are fixedly connected with test tube trays, and a plurality of test tube grooves are formed in the side faces of the test tube trays.
Preferably, test tube tray side rigid coupling spring box, and be located test tube groove one side, the fixed box of test tube tray side rigid coupling, and be located the test tube groove opposite side, spring box and fixed box back rigid coupling, the piece groove is seted up in the spring box outside, and sets up the fixed box outside, the inside slidable mounting arc of spring box, circle face rigid coupling layering in the arc, layering one end rigid coupling second spring, the second spring other end and the rigid coupling of spring box inner wall, the one end outside rigid coupling that the second spring was kept away from to the arc is inserted, insert and insert groove sliding fit, insert and advance the lateral wall sliding fit of say one side.
Preferably, a clamping plate is slidably mounted inside the test tube groove, a supporting groove is formed in the inner ring surface of the test tube groove, a supporting rod is slidably mounted inside the supporting groove, the other end of the supporting rod is fixedly connected with the clamping plate, the side surface of the mounting shaft is fixedly connected with a sleeve, a connecting rod is slidably mounted inside the sleeve, the other end of the connecting rod is fixedly connected with the clamping plate, the side surface of the mounting shaft is fixedly connected with a third spring, the third spring is fixedly connected with the clamping plate, and the inner ring of the third spring is sleeved on the outer ring.
The utility model has the advantages that: the pushing block is driven to slide by the first spring and is used for clamping and pushing the test tube in the test tube bin to the sample injection channel; the servo motor drives the material pressing wheel to rotate, so that the test tube in the sample injection channel is pushed into the test tube groove, and meanwhile, power is provided for backward movement of the clamping plate;
the insert blocks through the side wall on one side of the sample injection channel, so that the insert slides into an insert groove formed in the spring box, the arc-shaped plate and the pressing strip are driven to slide into the spring box, the second spring is stressed and compressed, and the test tube groove is opened; the test tube in the sample introduction channel is pushed into the test tube groove by the material pressing wheel, the clamping plate slides to the bottom of the test tube groove under the stress, and the third spring is compressed under the stress; when the block of the insert disappears, the second spring resets to push the arc-shaped plate and the pressing strip to reset, and the test tube groove is closed; after the pushing force of the pressing wheel to the clamping plate disappears, the third spring resets to push the clamping plate to match with the pressing strip to clamp and fix the test tube; the automatic feeding of the ion chromatograph is realized, the workload of workers is reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the tray assembly of the present invention;
fig. 3 is a top cross-sectional view of the tray assembly of the present invention;
fig. 4 is a front cross-sectional view of the tray assembly of the present invention;
FIG. 5 is a schematic structural view of the feeding assembly of the present invention;
FIG. 6 is an enlarged view of the point A in FIG. 2 according to the present invention;
FIG. 7 is an enlarged view of the point B in FIG. 3 according to the present invention;
fig. 8 is an enlarged view of the point C in fig. 4 according to the present invention.
Illustration of the drawings:
1. an ion chromatograph; 2. a tray assembly; 3. a feed assembly; 201. a chassis; 202. a motor slot; 203. a drive motor; 204. installing a shaft; 205. a test tube tray; 206. a test tube groove; 207. a spring case; 208. a fixing box; 209. an insert groove; 210. an arc-shaped plate; 211. layering; 212. a second spring; 213. an insert; 214. a splint; 215. a support groove; 216. a support bar; 217. a sleeve; 218. a connecting rod; 219. a third spring; 301. a support table; 302. a test tube bin; 303. a sample introduction channel; 304. a push block; 305. a push rod; 306. a first spring; 307. pushing the plate; 308. a slide bar slot; 309. a slide bar; 310. a servo motor; 311. a notch; 312. a material pressing wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1 to 8, an automatic sample introduction device for ion chromatography includes an ion chromatograph 1, a tray assembly 2 and a feeding assembly 3; the ion chromatograph 1 is provided with a tray component 2, and the side surface of the ion chromatograph 1 is provided with a feeding component 3;
the feeding assembly 3 comprises a support table 301, a test tube bin 302, a sample feeding channel 303, a push block 304, a push rod 305 and a first spring 306; the top of the support table 301 is fixedly connected with a test tube bin 302, the side surface of the test tube bin 302 is fixedly connected with a sample inlet channel 303, a push block 304 is slidably mounted in the test tube bin 302, the back of the push block 304 is fixedly connected with a plurality of push rods 305, the push rods 305 slidably penetrate through the side wall of the test tube bin 302, the back of the push block 304 is fixedly connected with a first spring 306, the other end of the first spring 306 is fixedly connected with the side wall of the test tube bin 302, and the inner ring of the first spring 306 is; the test tube bin 302 is used for storing and placing test tubes; during operation, pulling push rod 305 drives ejector pad 304 and slides to test tube storehouse 302 lateral wall, vacates the space in test tube storehouse 302, puts things in good order the test tube in test tube storehouse 302, loosens push rod 305, and first spring 306 resets, and promotion ejector pad 304 slides, pushes the test tube to in the introduction channel 303, sends into tray component 2 with the test tube through introduction channel 303.
As an embodiment of the present invention, the other end of the push rod 305 is fixedly connected to the push plate 307, the side of the supporting platform 301 is provided with a plurality of slide rod grooves 308, the slide rod grooves 308 are slidably mounted with the slide rods 309, and the slide rods 309 are fixedly connected to the push plate 307; the sliding rod 309 and the sliding rod groove 308 are matched to provide supporting and guiding force for the push plate 307, and meanwhile, the push block 304 is convenient for a worker to pull.
As an implementation manner of the present invention, the servo motors 310 are installed on both sides of the sample channel 303, the side wall of the sample channel 303 is provided with a plurality of notches 311, the output shaft of the servo motor 310 is fixedly connected with a plurality of pressure wheels 312, and the pressure wheels 312 are rotatably matched with the notches 311; the servo motor 310 provides power for the rotation of the pinch roller 312, and the pinch roller 312 pushes the test tube in the sample injection channel 303 into the test tube groove 206.
As an embodiment of the present invention, the tray assembly 2 includes a chassis 201, a motor groove 202, a driving motor 203, an installation shaft 204, a test tube tray 205 and a test tube groove 206; a motor groove 202 is formed in the middle of the top side of the chassis 201, a driving motor 203 is installed in the motor groove 202, an output shaft of the driving motor 203 is fixedly connected with a mounting shaft 204, two ends of the mounting shaft 204 are fixedly connected with a test tube tray 205, and a plurality of test tube grooves 206 are formed in the side surface of the test tube tray 205; the mounting shaft 204 is driven by the driving motor 203 to rotate, the test tube tray 205 is driven to rotate, and the test tube in the test tube slot 206 is rotated and sent into the ion chromatograph 1.
As an embodiment of the present invention, the side of the test tube tray 205 is fixedly connected to the spring box 207, and is located on one side of the test tube slot 206, the side of the test tube tray 205 is fixedly connected to the fixing box 208, and is located on the other side of the test tube slot 206, the spring box 207 is fixedly connected to the back of the fixing box 208, the outer side of the spring box 207 is provided with the insert slot 209, and is provided to the outer side of the fixing box 208, the inner part of the spring box 207 is slidably mounted with the arc 210, the inner ring surface of the arc 210 is fixedly connected to the pressing strip 211, one end of the pressing strip 211 is fixedly connected to the second spring 212, the other end of the second spring 212 is fixedly connected to the inner wall of the spring box 207, the outer side of the arc 210 far from the second spring 212 is fixedly connected to the; during operation, when the test tube tray 205 rotates, after the insert 213 contacts the side wall of one side of the sample injection channel 303, the insert 213 is blocked to slide in the insert groove 209 formed in the spring box 207, the arc-shaped plate 210 and the pressing strip 211 are driven to slide in the spring box 207, so that the second spring 212 is stressed and compressed, after the test tube groove 206 rotates to align with the sample injection channel 303, a test tube in the sample injection channel 303 is pushed into the test tube groove 206 by the pressing wheel 312, then the test tube tray 205 continues to rotate, the block of the insert 213 disappears, the second spring 212 resets, the arc-shaped plate 210 and the pressing strip 211 are pushed to reset, and the test tube is clamped in the test tube groove 206.
As an embodiment of the present invention, the clamping plate 214 is slidably mounted inside the test tube groove 206, the supporting groove 215 is formed on the inner circumferential surface of the test tube groove 206, the supporting rod 216 is slidably mounted inside the supporting groove 215, the other end of the supporting rod 216 is fixedly connected with the clamping plate 214, the sleeve 217 is fixedly connected to the side surface of the mounting shaft 204, the connecting rod 218 is slidably mounted inside the sleeve 217, the other end of the connecting rod 218 is fixedly connected with the clamping plate 214, the third spring 219 is fixedly connected to the side surface of the mounting shaft 204, the third spring 219 is fixedly connected with the clamping plate 214, and the inner circumference of the; when the material pressing wheel 312 pushes the test tube into the test tube groove 206, the clamping plate 214 is forced to slide towards the bottom of the test tube groove 206, the supporting rod 216 is pushed to slide towards the inside of the supporting groove 215, the connecting rod 218 is driven to slide towards the inside of the sleeve 217, and the third spring 219 is forced to compress; when the arc-shaped plate 210 and the pressing strip 211 are pushed to reset, the pushing force of the material pressing wheel 312 disappears, the third spring 219 resets, the clamping plate 214 is pushed to slide towards the test tube groove 206, and the test tube is clamped and fixed by matching with the pressing strip 211.
The working principle is as follows: firstly, pulling a push plate 307 to drive a push rod 305 to slide, driving a push block 304 to slide towards the side wall of a test tube bin 302, freeing the space of the test tube bin 302, stacking test tubes in the test tube bin 302, loosening the push rod 305, resetting a first spring 306, pushing the push block 304 to slide, pushing the test tubes into a sample injection channel 303, driving a material pressing wheel 312 to rotate by a servo motor 310, and pushing the test tubes in the sample injection channel 303 into a tray component 2;
the mounting shaft 204 is driven to rotate by the driving motor 203, the test tube tray 205 is driven to rotate, after the insert 213 contacts the side wall of one side of the sample injection channel 303, the insert 213 is blocked to slide in an insert groove 209 formed in the spring box 207, and the arc-shaped plate 210 and the pressing strip 211 are driven to slide in the spring box 207, so that the second spring 212 is stressed and compressed, and the test tube groove 206 is opened; when the test tube slot 206 rotates and aligns with the sample injection channel 303, the test tube in the sample injection channel 303 is pushed into the test tube slot 206 by the material pressing wheel 312, the clamping plate 214 is forced to slide towards the bottom of the test tube slot 206, the supporting rod 216 is pushed to slide towards the inside of the supporting slot 215, the connecting rod 218 is driven to slide towards the inside of the sleeve 217, and the third spring 219 is forced to compress;
then the test tube tray 205 continues to rotate, the block of the insert 213 disappears, the second spring 212 resets to push the arc-shaped plate 210 and the pressing strip 211 to reset, the pushing force of the pressing wheel 312 disappears, the third spring 219 resets to push the clamping plate 214 to slide towards the test tube groove 206, and the test tube is clamped and fixed by matching with the pressing strip 211; the automatic feeding of the ion chromatograph is realized, the workload of workers is reduced, and the working efficiency is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An automatic sample introduction device for ion chromatography is characterized by comprising an ion chromatograph (1), a tray component (2) and a feeding component (3); the ion chromatograph (1) is provided with a tray assembly (2), and the side surface of the ion chromatograph (1) is provided with a feeding assembly (3);
the feeding assembly (3) comprises a support table (301), a test tube bin (302), a sample inlet channel (303), a push block (304), a push rod (305) and a first spring (306); supporting bench (301) top rigid coupling test tube storehouse (302), test tube storehouse (302) side rigid coupling has a kind pipeline (303), test tube storehouse (302) inside slidable mounting ejector pad (304), a plurality of push rods (305) of ejector pad (304) back rigid coupling, push rod (305) slide and run through test tube storehouse (302) lateral wall, the first spring (306) of ejector pad (304) back rigid coupling, the first spring (306) other end and test tube storehouse (302) lateral wall rigid coupling, the inner circle cover of first spring (306) is at the outer lane of push rod (305).
2. The automatic sample introduction device for ion chromatography according to claim 1, wherein the other end of the push rod (305) is fixedly connected with a push plate (307), the side surface of the support table (301) is provided with a plurality of slide rod grooves (308), the slide rod grooves (308) are slidably provided with slide rods (309), and the slide rods (309) are fixedly connected with the push plate (307).
3. The automatic sample introduction device for ion chromatography according to claim 1, wherein servo motors (310) are installed on two sides of the sample introduction channel (303), a plurality of notches (311) are formed in the side wall of the sample introduction channel (303), an output shaft of each servo motor (310) is fixedly connected with a plurality of pressure wheels (312), and each pressure wheel (312) is in running fit with each notch (311).
4. The autosampler device for ion chromatography according to claim 1, wherein said tray assembly (2) comprises a chassis (201), a motor slot (202), a driving motor (203), a mounting shaft (204), a test tube tray (205) and a test tube slot (206); a motor groove (202) is formed in the middle of the top side of the chassis (201), a driving motor (203) is installed inside the motor groove (202), an output shaft of the driving motor (203) is fixedly connected with an installation shaft (204), two ends of the installation shaft (204) are fixedly connected with a test tube tray (205), and a plurality of test tube grooves (206) are formed in the side face of the test tube tray (205).
5. The automatic sample introduction device of the ion chromatography according to claim 4, wherein the test tube tray (205) is fixed on the spring box (207) at the side, and is located at one side of the test tube slot (206), the test tube tray (205) is fixed on the fixing box (208) at the side, and is located at the other side of the test tube slot (206), the spring box (207) is fixed on the back of the fixing box (208), the outer side of the spring box (207) is provided with an insert slot (209), and is provided with the outer side of the fixing box (208), the arc-shaped plate (210) is slidably mounted inside the spring box (207), the inner ring surface of the arc-shaped plate (210) is fixed on a pressing strip (211), one end of the pressing strip (211) is fixed on the second spring (212), the other end of the second spring (212) is fixed on the inner wall of the spring box (207), the arc-shaped plate (210) is far away from the outer side of the second spring, the insert (213) is in sliding fit with the insert groove (209), and the insert (213) is in sliding fit with the side wall on one side of the sample injection channel (303).
6. The automatic sample introduction device for ion chromatography according to claim 4, wherein a clamping plate (214) is slidably mounted inside the test tube slot (206), a supporting slot (215) is formed in the inner ring surface of the test tube slot (206), a supporting rod (216) is slidably mounted inside the supporting slot (215), the other end of the supporting rod (216) is fixedly connected with the clamping plate (214), a sleeve (217) is fixedly connected to the side surface of the mounting shaft (204), a connecting rod (218) is slidably mounted inside the sleeve (217), the other end of the connecting rod (218) is fixedly connected with the clamping plate (214), a third spring (219) is fixedly connected to the side surface of the mounting shaft (204), the third spring (219) is fixedly connected with the clamping plate (214), and the inner ring of the third spring (219) is sleeved on the outer ring of the sleeve (217).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570315.3U CN213544480U (en) | 2020-11-09 | 2020-11-09 | Automatic sample introduction device for ion chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022570315.3U CN213544480U (en) | 2020-11-09 | 2020-11-09 | Automatic sample introduction device for ion chromatography |
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| Publication Number | Publication Date |
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| CN213544480U true CN213544480U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022570315.3U Active CN213544480U (en) | 2020-11-09 | 2020-11-09 | Automatic sample introduction device for ion chromatography |
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| CN (1) | CN213544480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878731A (en) * | 2022-06-06 | 2022-08-09 | 翊新诊断技术(苏州)有限公司 | Volume selectable ultra-micro sample injection valve for liquid chromatography |
-
2020
- 2020-11-09 CN CN202022570315.3U patent/CN213544480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878731A (en) * | 2022-06-06 | 2022-08-09 | 翊新诊断技术(苏州)有限公司 | Volume selectable ultra-micro sample injection valve for liquid chromatography |
| CN114878731B (en) * | 2022-06-06 | 2024-04-26 | 翊新诊断技术(苏州)有限公司 | Volume-selectable ultra-microscale sample injection valve for liquid chromatography |
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