CN214644012U - Ion chromatograph ration ring cutting device - Google Patents
Ion chromatograph ration ring cutting device Download PDFInfo
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- CN214644012U CN214644012U CN202023093168.1U CN202023093168U CN214644012U CN 214644012 U CN214644012 U CN 214644012U CN 202023093168 U CN202023093168 U CN 202023093168U CN 214644012 U CN214644012 U CN 214644012U
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Abstract
The utility model relates to an ion chromatograph ration ring cutting device, including operation panel (4), track (10), connecting rod (6), two cutting knives and cutting knife mounting. The cutting knife comprises a blade (1), a groove (2) and a rotating shaft (9), the thickness of the blade (1) is matched with the groove width of the groove (2), and the blade side can be inserted into the groove (2); the blade (1) and the groove (2) are provided with concentric round holes with the same size, the blade (1) and the groove (2) are connected through the concentric round holes by the rotating shaft (9), and the blade (1) can freely rotate by taking the rotating shaft (9) as the center of a circle; the rail (10) penetrates through a round hole in the middle of the rotating shaft (9), and the cutting knife can move along the direction of the rail (10) on the plane of the operating table (4); the connecting rod (6) connecting the two cutters can change the length in a telescopic way. The utility model discloses can once a plurality of ration rings of accurate cutting.
Description
Technical Field
The utility model relates to a ration ring cutting technique, specifically an ion chromatograph ration ring cutting device.
Background
The ion chromatography is a chromatographic method which takes ion exchange resin as a stationary phase, separates ionic substances and continuously detects the change of effluent signals by using a conductance, ampere or ultraviolet-visible detector. Ion chromatography is a mature analytical technique, and becomes the first choice for inorganic analysis of anions and cations and small-molecule polar organic anions. Ion chromatographs have also become a common laboratory device.
When an ion chromatograph is used for analysis and detection, ion chromatograph quantitative rings with various specifications are often required. In general: the small quantitative ring is suitable for high-concentration samples, the sample volume of dozens of microliters is enough to obtain a high response value, and the problems of column capacity overload, residual pollution, influence on service life of a chromatographic column and a detector and the like caused by overlarge sample volume are prevented. The larger quantitative ring is suitable for detecting trace samples, such as bromate, perchlorate and the like, the content of the substances in the samples is often extremely low, the sample injection amount needs to be increased as much as possible to improve the response value, otherwise, the integral quantification is difficult, and even a peak cannot be clearly shown.
However, the price of a commercial quantitative ring is often as high as thousands of yuan, and the specification is relatively few, so that personalized customization cannot be realized. The preparation step of self-control ration ring is comparatively complicated in the laboratory, does not have the ration ring cutting isolated plant who is applicable to in the laboratory at present, can only utilize simple and easy instruments such as knife, scale to operate, and the degree of accuracy and the precision of the ion chromatograph ration ring volume of making hardly reach higher level.
Therefore, the current ion chromatograph quantification loop has several disadvantages: the price of purchasing a commercial ion chromatograph quantitative ring is high, the specification is small, and personalized customization cannot be realized; the manufacturing steps of the quantitative ring of the ion chromatograph manufactured by a laboratory are complex, and the problems of low volume accuracy and low precision of the quantitative ring exist.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model aims at overcoming prior art's not enough, combine the characteristics of ration ring cutting, provide a preparation and easy operation, low cost, the ration ring size degree of accuracy is high, precision is high, can cut the ion chromatograph ration ring cutting device of a plurality of ration rings simultaneously. The technical scheme of the utility model as follows:
the utility model provides an ion chromatograph ration ring cutting device, includes operation panel 4, track 10, connecting rod 6, two cutting knives and cutting knife mounting, its characterized in that:
the cutting knife comprises a blade 1, a groove 2 and a rotating shaft 9, the thickness of the blade 1 is matched with the groove width of the groove 2, one side of the blade 1 is a blade side, the blade side can be inserted into the groove 2, and the other side of the blade 1 is a knife back side; the blade 1 and the groove 2 are provided with concentric round holes with the same size, the blade 1 and the groove 2 are connected through the concentric round holes by the rotating shaft 9, and the blade 1 can freely rotate by taking the rotating shaft 9 as the center of a circle;
the rail 10 passes through a round hole in the middle of the rotating shaft 9, and the cutting knife can move along the direction of the rail 10 on the plane of the operating platform 4; the two cutting knives are connected through a connecting rod 6 which can be extended and changed in length;
the cutting knife fixing piece is used for fixing the cutting knife at a certain position on the track 10;
the positions corresponding to the side surfaces of the grooves 2 of the two cutting knives are respectively provided with a fixing hole 12, the inner diameter of each fixing hole 12 is matched with the outer diameter of the ion chromatograph quantitative ring, and a plastic pipe used for manufacturing the ion chromatograph quantitative ring can penetrate through the fixing holes 12.
Furthermore, the fixing holes (12) arranged on the groove (2) of each cutting knife are arranged in a row, and the cutting holes arranged on the two cutting knives are corresponding to each other.
Further, for two rows of fixing holes, the spacing between corresponding fixing holes on two cutting knives is equal.
The cutting knife fixing piece is used for fixing the cutting knife at a certain position on the track 10.
Furthermore, at least one fixing hole 12 is respectively arranged at the corresponding position of the side surface of the groove 2 of the two cutting knives, the inner diameter of the fixing hole 12 is matched with the outer diameter of the ion chromatograph quantitative ring, and a plastic pipe for manufacturing the ion chromatograph quantitative ring can pass through the fixing hole 12.
Furthermore, two fixing clamps 3 are respectively arranged at two ends of the plane of the operating platform 4, the fixing clamps 3 at the two ends respectively clamp two ends of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph, and the plastic pipe is fixed on the operating platform 4.
Further, the cutting knife mounting be adjust knob 8, adjust knob 8 is located pivot 9, screws up adjust knob 8 and makes the cutting knife be fixed in operation panel 4 on can not remove, unscrews adjust knob 8 and makes the cutting knife can remove along track 10 direction.
Furthermore, the side of the operating platform 4 is provided with a scale 11 for setting the positions of the two cutting knives.
Further, the cutting device also comprises a handle 5 fixed on the connecting rod 6.
Further, a protection cover 7 is covered on the back side of the cutting knife.
The utility model also provides a cutting method is encircled to ion chromatograph ration, the cutting device who adopts includes operation panel 4, track 10, connecting rod 6, two cutting knives and cutting knife mounting, its characterized in that:
the cutting knife comprises a blade 1, a groove 2 and a rotating shaft 9, the thickness of the blade 1 is matched with the groove width of the groove 2, one side of the blade 1 is a blade side, the blade side can be inserted into the groove 2, and the other side of the blade 1 is a knife back side; the blade 1 and the groove 2 are provided with concentric round holes with the same size, the blade 1 and the groove 2 are connected through the concentric round holes by the rotating shaft 9, and the blade 1 can freely rotate by taking the rotating shaft 9 as the center of a circle;
the rail 10 passes through a round hole in the middle of the rotating shaft 9, and the cutting knife can move along the direction of the rail 10 on the plane of the operating platform 4; the two cutting knives are connected through a connecting rod 6 which can be extended and changed in length;
the cutting knife fixing piece is used for fixing the cutting knife at a certain position on the track 10;
the side surfaces of the grooves 2 of the two cutting knives are correspondingly provided with at least one fixing hole 12, the inner diameter of each fixing hole 12 is matched with the outer diameter of the ion chromatograph quantitative ring, and a plastic pipe for manufacturing the ion chromatograph quantitative ring can pass through the fixing holes 12; the two ends of the plane of the operation table 4 are respectively provided with a fixing clamp 3, the fixing clamps 3 at the two ends respectively clamp the two ends of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph, and the plastic pipe is fixed on the operation table 4, and the quantitative ring cutting method comprises the following steps:
(1) calculating the length of the quantitative ring according to the volume of the quantitative ring and the inner diameter of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph;
(2) determining the interval between the two cutting knives according to the length of the quantitative ring, and fixing the two cutting knives at corresponding positions by using a cutting knife fixing piece;
(3) inserting a plastic pipe for manufacturing a quantitative ring of the ion chromatograph into the fixing holes corresponding to the two grooves;
(4) straightening the plastic pipe, and respectively clamping two ends of the plastic pipe by using two fixing clamps;
(5) pressing down the cutter to insert the blade into the bottom of the groove to finish cutting; a section of plastic pipe between the two blades is the quantitative ring of the ion chromatograph with the required length.
In the cutting method, the cutting knife fixing piece is an adjusting knob 8, the adjusting knob 8 is positioned on the rotating shaft 9, the adjusting knob 8 is screwed down to enable the cutting knife to be fixed on the operating platform 4 and not to move, and the adjusting knob 8 is unscrewed to enable the cutting knife to move along the direction of the track 10.
In the cutting method, the side surface of the operating platform 4 is provided with scales 11 for setting the positions of the two cutting knives.
Compared with the prior art, the utility model, beneficial effect does:
1. the method has the advantages that a plurality of steps for manufacturing the quantitative ring of the ion chromatograph can be simplified into one step, the operation is simple and convenient, and the manufacturing efficiency is high;
2. by changing the blade distance, the quantitative rings of the ion chromatograph with different specifications can be manufactured, individual customization can be realized regardless of the specifications of common commercialized quantitative rings, and the application range is wide;
3. the consumable price is low, and the cost is saved compared with the cost of purchasing a commercial ion chromatograph quantitative ring.
4. After the distance between the two blades is set according to the scales, the two ends of the quantitative ring are cut simultaneously, so that the accuracy of the volume of the quantitative ring is improved;
5. a plurality of ion chromatograph quantitative rings with the same specification can be manufactured at the same time, so that the precision is improved;
compared with the prior art, the utility model, have easy and simple to handle, make efficient, can realize individualized customization, range of application is wide, practice thrift cost, ration ring volume the degree of accuracy height, advantage such as precision height, be applicable to the preparation of ion chromatogram ration ring.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view after insertion of a plastic tube for making a dosing ring.
In the figure, the position of the upper end of the main shaft,
1-blade 2-groove
3-fixation clamp 4-operation table
5-handle 6-connecting rod
7-protective sleeve 8-adjusting knob
9-rotating shaft 10-rail
11-Scale 12-fixing hole
13-plastic tube for making dosing ring.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
examples
As shown in fig. 1, the utility model discloses an ion chromatograph ration ring cutting device, including operation panel 4, track 10, handle 5, connecting rod 6, two fixation clamps 3 and two cutting knives. The cutting knife includes blade 1, lag 7, recess 2, pivot 9 and adjust knob 8. The recess 2 of two cutting knives is placed on operation panel 4, and lag 7 parcel is in one side of blade 1, can call this side for the back of a knife side, and the opposite side of blade 1 is that the sword side can disect insertion recess 2 promptly, and the thickness of blade 1 and recess 2's groove width phase-match, and blade 1 and recess 2 have the concentric round hole of equidimension, and pivot 9 is connected blade 1 and recess 2 through concentric round hole, and blade 1 can use pivot 9 as centre of a circle free rotation.
The track 10 can pass through the round hole in the middle of the pivot 9, and the cutting knife can move along the track 10 direction on the operation panel 4 plane, and two cutting knives are connected by connecting rod 6, and the scalable transform length of connecting rod 6. A handle 5 is arranged in the middle of the connecting rod 6, the blade 1 can be rotated by pressing the handle 5, and the two blades 1 are simultaneously inserted into the groove 2 to finish cutting. The two cutters are fixed through the adjusting knobs 8 as cutter fixing pieces and then are perpendicular to the axial direction of the track 10.
3 fixed orificess 12 have all been seted up to the side of the recess 2 of two cutting knives, and the internal diameter of fixed orificess 12 and ion chromatograph ration ring external diameter phase-match can pass a plastic tubing that is used for making ion chromatograph ration ring in the fixed orifices 12 and as shown in figure 2. Fig. 2 is a schematic view after insertion of a plastic tube for making a dosing ring. The 12 positions of 3 fixed orificess of two cutting knives are corresponding, and this embodiment can once pass three plastic tubings that are used for making ion chromatograph ration ring, and three plastic tubings are parallel with the track axial to, this embodiment can once cut the three ration ring of making the same length.
The two fixing clamps 3 are positioned at two ends of the plane of the operation table 4, and can respectively clamp two ends of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph so as to fix the plastic pipe on the operation table 4. After the plastic pipe is fixed by the two fixing clamps 3, the accuracy of the manufactured ion chromatograph quantitative ring can be improved.
Adjusting knob 8 is located pivot 9, screws up adjusting knob 8 and will make the cutting knife be fixed in on the operation panel 4 and can not remove, and the cutting knife can remove along track 10 direction when unscrewing adjusting knob 8.
The side of the operating platform 4 is provided with scales 11, the positions of the two cutting knives can be set according to the scales, the length between the two blades 1 is the length of the quantitative ring, and the volume specification of the quantitative ring can be calculated according to the length and the inner diameter of the quantitative ring.
The working principle is as follows:
the utility model discloses an ion chromatograph ration ring cutting device, before using, according to the volume of ration ring and be used for making the plastic tubing internal diameter of ion chromatograph ration ring, calculates the length of ration ring. The adjusting knob 8 is unscrewed, the positions of the two cutting knives are moved, and the scales 11 are compared, so that the distance between the two cutting knives 1 is the calculated length of the quantitative ring. And screwing the adjusting knob 8 to fix the position of the cutting knife. A plastic pipe for manufacturing a quantitative ring of the ion chromatograph is inserted into the fixing holes 12 corresponding to the two grooves 2. The plastic pipe is straightened, and two ends of the plastic pipe are respectively clamped by two fixing clamps 3. The handle 5 is pressed to insert the blade 1 into the bottom of the groove 2, completing the cutting. A section of plastic pipe between the two blades 1 is the ion chromatograph quantitative ring with specific specification.
The specific cutting method is as follows:
(1) calculating the length of the quantitative ring according to the volume of the quantitative ring and the inner diameter of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph;
(2) according to the length of the quantitative ring, the interval between the two cutting knives is determined, the two cutting knives are fixed at corresponding positions by using the fixing parts of the cutting knives, and the method comprises the following steps: unscrewing the adjusting knob 8, moving the positions of the two cutting knives, and contrasting the scales 11 to enable the distance between the two blades 1 to be the calculated length of the quantitative ring;
(3) inserting a plastic pipe for manufacturing a quantitative ring of the ion chromatograph into the fixing holes corresponding to the two grooves;
(4) straightening the plastic pipe, and respectively clamping two ends of the plastic pipe by using two fixing clamps;
(5) pressing down the cutter to insert the blade into the bottom of the groove to finish cutting; a section of plastic pipe between the two blades is the quantitative ring of the ion chromatograph with the required length.
In the cutting method, the cutting knife fixing piece is an adjusting knob 8, the adjusting knob 8 is positioned on the rotating shaft 9, the adjusting knob 8 is screwed down to enable the cutting knife to be fixed on the operating platform 4 and not to move, and the adjusting knob 8 is unscrewed to enable the cutting knife to move along the direction of the track 10.
In the cutting method, the side surface of the operating platform 4 is provided with scales 11 for setting the positions of the two cutting knives.
Claims (8)
1. The utility model provides an ion chromatograph ration ring cutting device, includes operation panel (4), track (10), connecting rod (6), two cutting knives and cutting knife mounting, its characterized in that:
the cutting knife comprises a blade (1), a groove (2) and a rotating shaft (9), the thickness of the blade (1) is matched with the groove width of the groove (2), one side of the blade (1) is a blade side, the blade side can be inserted into the groove (2), and the other side of the blade (1) is a blade back side; the blade (1) and the groove (2) are provided with concentric round holes with the same size, the blade (1) and the groove (2) are connected through the concentric round holes by the rotating shaft (9), and the blade (1) can freely rotate by taking the rotating shaft (9) as the center of a circle;
the rail (10) penetrates through a round hole in the middle of the rotating shaft (9), and the cutting knife can move along the direction of the rail (10) on the plane of the operating table (4); the two cutting knives are connected through a connecting rod (6) which can stretch and change the length;
the cutting knife fixing piece is used for fixing the cutting knife to a certain position on the track (10);
the positions corresponding to the side surfaces of the grooves (2) of the two cutting knives are respectively provided with a fixing hole (12), the inner diameter of each fixing hole (12) is matched with the outer diameter of the ion chromatograph quantitative ring, and a plastic pipe used for manufacturing the ion chromatograph quantitative ring can penetrate through the fixing holes (12).
2. The apparatus of claim 1, wherein the grooves (2) of each of the cutting blades are formed with a row of fixing holes (12), and the fixing holes (12) of the two cutting blades correspond to each other.
3. The apparatus of claim 2 wherein the spacing between the corresponding apertures in the two cutting blades is the same for both rows of apertures.
4. The cutting device for the quantitative ring of the ion chromatograph according to claim 1, wherein a fixing clip (3) is respectively arranged at two ends of the plane of the operation table (4), the fixing clips (3) at the two ends respectively clip two ends of a plastic pipe for manufacturing the quantitative ring of the ion chromatograph, and the plastic pipe is fixed on the operation table (4).
5. The quantitative ring cutting device of ion chromatograph according to claim 1, characterized in that the side of the operation table (4) is provided with a scale (11) for setting the position of two cutting knives.
6. The apparatus of claim 1, further comprising a handle (5) attached to the connecting rod (6).
7. An ion chromatograph quantitative ring cutting device according to claim 1, characterized in that the knife back side of the cutting knife is covered with a protective cover (7).
8. The apparatus of claim 1, wherein the rail is fixed to the console (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093168.1U CN214644012U (en) | 2020-12-21 | 2020-12-21 | Ion chromatograph ration ring cutting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023093168.1U CN214644012U (en) | 2020-12-21 | 2020-12-21 | Ion chromatograph ration ring cutting device |
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| Publication Number | Publication Date |
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| CN214644012U true CN214644012U (en) | 2021-11-09 |
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| CN202023093168.1U Active CN214644012U (en) | 2020-12-21 | 2020-12-21 | Ion chromatograph ration ring cutting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828974A (en) * | 2020-12-21 | 2021-05-25 | 天津市生态环境监测中心 | Ion chromatograph quantitative ring cutting device and cutting method |
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2020
- 2020-12-21 CN CN202023093168.1U patent/CN214644012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828974A (en) * | 2020-12-21 | 2021-05-25 | 天津市生态环境监测中心 | Ion chromatograph quantitative ring cutting device and cutting method |
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