Automatic sample changing device for bottle body of tandem mass spectrometer
By designing an automatic sample change device on a tandem mass spectrometer, the linkage between stepper motor and electric cylinder is used to realize automatic removal, analysis and placement of the bottle body, solving the problem of increasing work intensity caused by manual operation in the prior art, and improving the Analytical efficiency and safety are provided.
Patent Information
- Application Number
- CN202421150953.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The bottle sample analysis operation of existing tandem mass spectrometers requires manual removal and placement of the bottle, resulting in an increase in work intensity for staff and a lack of automated sample replacement devices to reduce labor intensity.
An automatic sample change device for bottle body including stepper motor, turntable, horizontal cylinder, vertical cylinder and U-shaped plate is designed. Through the controller linking these components, the bottle body will be automatically removed from the bottle body frame and put into the bottle body. On the detection rod, place the used bottle body on another rack to achieve automatic sample replacement without manual operation.
It greatly reduces the work intensity of the staff, realizes automatic sample replacement of the bottle body, and improves analysis efficiency and operation safety.
Smart Images
Figure CN222249061U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detecting organic mixture components of samples in a bottle, in particular to an automatic bottle sample changing device of a tandem mass spectrometer. Background Art
[0002] The tandem mass spectrometer used in the laboratory can analyze the components of organic mixtures in samples. The structure of the tandem mass spectrometer is as follows: Figure 1~Figure 2 As shown, a cavity 2 is provided on the front end surface of the housing of the tandem mass spectrometer 1, a detection rod 3 connected to the cavity 2 is provided in the tandem mass spectrometer 1, a mounting plate 4 is provided on the bottom surface of the cavity 2 of the tandem mass spectrometer 1, and the left and right ends of the mounting plate 4 extend outside the cavity 2, a bottle rack I5 is fixed on the top surface of the left extension end of the mounting plate 4, and a bottle rack II6 is fixed on the top surface of the right extension end of the mounting plate 4, and a plurality of blind holes 7 are provided on the top surfaces of the bottle racks I5 and II6 along their length direction. The method by which the staff uses this tandem mass spectrometer 1 to detect the components of the organic mixture in a plurality of bottles 8 is as follows:
[0003] S1, the staff pre-arranges a plurality of bottles 8 vertically in each blind hole 7 of the bottle rack 15, such as Figure 3 As shown, a certain amount of sample is then injected into each bottle 8;
[0004] S2, the staff takes out the first bottle 8 from the bottle rack 15, and then the staff puts the opening of the first bottle 8 on the detection rod 3 of the tandem mass spectrometer 1 from bottom to top, as shown in FIG. Figure 4 As shown, when the detection rod 3 contacts the sample in the bottle 8, the tandem mass spectrometer 1 analyzes the components of the organic mixture in the sample in the first bottle 8; after the analysis, the staff places the bottom of the used bottle 8 on the bottle rack II6 from top to bottom, as shown in FIG. Figure 5 As shown, the used bottle 8 is placed;
[0005] S3. The staff repeats the operation of step S2 for multiple times, and can continuously analyze the components of the organic mixture in the samples in each bottle 8.
[0006] However, although this operation method can analyze the components of the organic mixture in the samples in each bottle 8, in actual operation, there are still the following technical defects:
[0007] I. In step S2, the bottles 8 need to be manually taken out from the bottle rack 15 one by one, and then the openings of the bottles 8 need to be manually put on the detection rod 3 from bottom to top, so that the components of the organic mixture in the sample in the bottle 8 can be analyzed. The whole operation is completed manually, which increases the workload of the staff.
[0008] II. In step S2, it is necessary to manually place the used bottle 8 from top to bottom in the bottle rack II6. The entire operation is still completed manually, which further increases the workload of the staff.
[0009] Therefore, there is an urgent need for an automatic bottle sample changing device that can greatly reduce the workload of staff. Utility Model Content
[0010] The utility model aims to overcome the shortcomings of the prior art and provide an automatic sample changing device for a bottle of a tandem mass spectrometer which can greatly reduce the work intensity of the staff.
[0011] The purpose of the utility model is achieved through the following technical solutions: an automatic bottle sample changing device for a tandem mass spectrometer, comprising a mounting plate fixedly arranged on the bottom surface of a cavity of the tandem mass spectrometer, the left and right ends of the mounting plate extending outside the cavity, a bottle rack I fixedly arranged on the top surface of the left extended end of the mounting plate, a bottle rack II fixedly arranged on the top surface of the right extended end of the mounting plate, a plurality of blind holes are provided on the top surfaces of the bottle racks I and II along their length directions, a stepping motor is provided on the top surface of the mounting plate and between the bottle rack II and the tandem mass spectrometer, a turntable fixedly arranged on the output shaft of the stepping motor, a base fixedly arranged on the top surface of the turntable, a horizontal electric cylinder fixedly arranged on the right end surface of the base, a piston rod of the horizontal electric cylinder passing through the base to the left, and a connecting plate fixedly arranged on the extending end, a vertical electric cylinder fixedly arranged on the top surface of the connecting plate, a support plate fixedly arranged on the action end of the piston rod of the vertical electric cylinder, the support plate extends to the left and a U-shaped plate fixedly arranged on the extending end, and the opening of the U-shaped plate is arranged to the left.
[0012] The spacing between every two adjacent blind holes on the bottle body rack I is equal, and the spacing between every two adjacent blind holes on the bottle body rack II is equal.
[0013] The diameter of the blind hole is equal to the outer diameter of the bottle body.
[0014] The longitudinal width of the opening of the U-shaped plate is equal to the outer diameter of the bottle body.
[0015] The base is fixedly mounted on the turntable via screws.
[0016] The automatic sample changing device also includes a controller, which is electrically connected to the horizontal electric cylinder and the vertical electric cylinder via a signal line.
[0017] The utility model has the following advantages: the working intensity of the staff is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic diagram of the structure of a tandem mass spectrometer;
[0019] Figure 2 for Figure 1 AA section view;
[0020] Figure 3 It is a schematic diagram of a staff member vertically arranging a plurality of bottles in advance in each blind hole of the bottle rack 1;
[0021] Figure 4 It is a schematic diagram of a worker putting the opening of the first bottle body onto the detection rod from bottom to top;
[0022] Figure 5 It is a schematic diagram of a staff member placing the bottom of a used bottle body on the bottle body rack II from top to bottom;
[0023] Figure 6 It is a schematic diagram of the structure of the utility model;
[0024] Figure 7 It is a structural schematic diagram of a U-shaped plate;
[0025] Figure 8 for Figure 7 A top view of
[0026] Fig. 9 It is a connection diagram of the U-shaped plate, the connecting plate and the vertical electric cylinder;
[0027] Fig.10 Schematic diagram of a plurality of bottles pre-arranged vertically in each blind hole of the bottle rack 1;
[0028] Fig.11 A schematic diagram of the opening of the U-shaped plate being sleeved on the outside of the first bottle body;
[0029] Fig.12 for Fig.11 A partial enlarged view of part B;
[0030] Fig.13 for Fig.12 Schematic diagram of C direction;
[0031] Fig.14 This is a schematic diagram of the first bottle being lifted up;
[0032] Fig.15 It is a schematic diagram showing that the bottle is located directly below the detection rod of the tandem mass spectrometer;
[0033] Fig.16 It is a schematic diagram of the opening of the first bottle body being sleeved on the detection rod of the tandem mass spectrometer;
[0034] Fig.17 It is a schematic diagram of the bottle body facing the bottle body rack II;
[0035] Fig.18 It is a schematic diagram showing that the bottle body is located directly above the first blind hole of the bottle body rack II;
[0036] Fig.19 A schematic diagram showing that the bottom of the bottle body is seated in the first blind hole of the bottle body frame II from bottom to top;
[0037] Fig. 20 A schematic diagram of placing a used bottle on the bottle rack II;
[0038] In the figure:
[0039] 1-tandem mass spectrometer, 2-cavity, 3-detection rod, 4-mounting plate, 5-bottle body rack I, 6-bottle body rack II, 7-blind hole, 8-bottle body;
[0040] 9-stepping motor, 10-turntable, 11-base, 12-horizontal electric cylinder, 13-connecting plate, 14-vertical electric cylinder, 15-support plate, 16-U-shaped plate, 17-bottle ring. DETAILED DESCRIPTION
[0041] The utility model is further described below in conjunction with the accompanying drawings, and the protection scope of the utility model is not limited to the following:
[0042] like Figure 6~Figure 9 As shown, an automatic bottle sample changing device for a tandem mass spectrometer comprises a mounting plate 4 fixedly mounted on the bottom surface of a cavity 2 of the tandem mass spectrometer 1, the left and right ends of the mounting plate 4 both extend outside the cavity 2, a bottle rack I5 is fixedly mounted on the top surface of the left extended end of the mounting plate 4, a bottle rack II6 is fixedly mounted on the top surface of the right extended end of the mounting plate 4, a plurality of blind holes 7 are provided on the top surfaces of the bottle racks I5 and II6 along their length directions, the diameter of the blind holes 7 is equal to the outer diameter of the bottle 8, a stepper motor 9 is provided on the top surface of the mounting plate 4 and between the bottle rack II6 and the tandem mass spectrometer 1, a turntable 10 is fixedly mounted on the output shaft of the stepper motor 9, a base 11 is fixedly mounted on the top surface of the turntable 10, and the base 11 is fixedly mounted on the turntable 10 by screws.
[0043] A horizontal electric cylinder 12 is fixedly provided on the right end surface of the base 11, and the piston rod of the horizontal electric cylinder 12 penetrates the base 11 to the left, and a connecting plate 13 is fixedly provided on the extended end, and a vertical electric cylinder 14 is fixedly provided on the top surface of the connecting plate 13, and a support plate 15 is fixedly provided on the active end of the piston rod of the vertical electric cylinder 14, and the support plate 15 extends to the left and a U-shaped plate 16 is fixedly provided on the extended end, and the opening of the U-shaped plate 16 is set to the left, and the longitudinal width of the opening of the U-shaped plate 16 is equal to the outer diameter of the bottle body 8.
[0044] The spacing between each two adjacent blind holes 7 on the bottle rack I5 is equal, and the spacing between each two adjacent blind holes 7 on the bottle rack II6 is equal. The automatic sample changing device also includes a controller, which is electrically connected to the horizontal electric cylinder 12 and the vertical electric cylinder 14 via a signal line. The staff can control the extension or retraction of the piston rods of the horizontal electric cylinder 12 and the vertical electric cylinder 14 through the controller, which facilitates the operation of the staff.
[0045] The working process of the utility model is as follows:
[0046] S1, the staff pre-arranges a plurality of bottles 8 vertically in each blind hole 7 of the bottle rack 15, such as Fig.10 As shown, a certain amount of sample is then injected into each bottle 8;
[0047] S2. Analysis of the organic mixture components in the sample in the first bottle 8, the specific operation steps are as follows:
[0048] S21, the staff controls the piston rod of the horizontal electric cylinder 12 to extend to the left, the piston rod drives the connecting plate 13 to move to the left, the connecting plate 13 drives the vertical electric cylinder 14 to move to the left, the vertical electric cylinder 14 drives the support plate 15 and the U-shaped plate 16 to move to the left synchronously, and the opening of the U-shaped plate 16 moves toward the first bottle body 8. When the piston rod of the horizontal electric cylinder 12 extends to the set distance, the controller controls the horizontal electric cylinder 12 to close. At this time, the opening of the U-shaped plate 16 just fits on the outside of the first bottle body 8. Figure 11~Figure 13 As shown;
[0049] S22, control the piston rod of the vertical electric cylinder 14 to extend upward, the piston rod drives the support plate 15 to move upward, the support plate 15 drives the U-shaped plate 16 to move upward, the U-shaped plate 16 lifts the bottle ring 17 of the first bottle body 8, and then drives the bottle body 8 to move upward, the bottle body 8 gradually moves away from the bottle body rack 15, when the vertical electric cylinder 14 extends to the set distance, the first bottle body 8 is just lifted up, such as Fig.14 As shown, at this time, the bottle ring 17 of the bottle body 8 is suspended on the top surface of the U-shaped plate 16;
[0050] S23, control the piston rod of the horizontal electric cylinder 12 to retract to the right, the piston rod drives the connecting plate 13 to move to the right, the connecting plate 13 drives the vertical electric cylinder 14, the support plate 15 and the U-shaped plate 16 to move to the right, and the U-shaped plate 16 drives the bottle body 8 to move to the right. When the piston rod of the horizontal electric cylinder 12 retracts to the set stroke, the controller controls the horizontal electric cylinder 12 to close. At this time, the bottle body 8 is just below the detection rod 3 of the tandem mass spectrometer 1. Fig.15 As shown;
[0051] S24, control the piston rod of the vertical electric cylinder 14 to extend upward, the piston rod drives the U-shaped plate 16 to move upward, the U-shaped plate 16 drives the bottle body 8 to move upward, and the bottle body 8 moves toward the detection rod 3. When the piston rod of the vertical electric cylinder 14 is fully extended, the opening of the first bottle body 8 is just covered on the detection rod 3 of the tandem mass spectrometer 1. Fig.16 As shown, the detection rod 3 is in contact with the sample in the bottle 8. At this time, the tandem mass spectrometer 1 analyzes the components of the organic mixture in the sample in the first bottle 8, thereby realizing the analysis of the components of the organic mixture in the sample in the first bottle 8;
[0052] S3, placing the used bottle 8 on the bottle rack II6, the specific operation steps are:
[0053] S31, control the piston rod of the vertical electric cylinder 14 to retract downward, the piston rod drives the support plate 15 to move downward, the support plate 15 drives the U-shaped plate 16 to move downward, the U-shaped plate 16 drives the bottle body 8 to move downward, when the bottle body 8 is separated from the detection rod 3, control the stepper motor 9 to start, the stepper motor 9 drives the turntable 10 to rotate, the turntable 10 drives the base 11 and the vertical electric cylinder 14 to rotate synchronously, the vertical electric cylinder 14 drives the bottle body 8 to rotate synchronously, when the bottle body 8 rotates 180°, the controller controls the stepper motor 9 to turn off, at this time, the bottle body 8 faces the bottle body rack II6, as shown in FIG. Fig.17 As shown;
[0054] S32, control the piston rod of the horizontal electric cylinder 12 to extend to the right, the piston rod drives the connecting plate 13 to move to the right, the connecting plate 13 drives the vertical electric cylinder 14 to move to the right, and the vertical electric cylinder 14 drives the U-shaped plate 16 to move to the right synchronously. When the piston rod of the horizontal electric cylinder 12 extends to the set stroke, the controller controls the horizontal electric cylinder 12 to close. At this time, the bottle body 8 is just above the first blind hole 7 of the bottle body rack II6. Fig.18 As shown;
[0055] S33, control the piston rod of the vertical electric cylinder 14 to retract downward, the piston rod drives the U-shaped plate 16 to move downward, the U-shaped plate 16 drives the bottle body 8 to move downward, and the bottom of the bottle body 8 is located in the first blind hole 7 of the bottle body frame II6 from bottom to top, as shown in FIG. Fig.19 As shown;
[0056] S34, after the bottle 8 is placed on the bottle rack II6, the piston rod of the horizontal electric cylinder 12 is controlled to retract to the left, so that the U-shaped plate 16 moves away from the bottle 8, thereby placing the used bottle 8 on the bottle rack II6, as shown in FIG. Fig. 20 As shown;
[0057] S4. The staff repeats the operations of steps S2 to S3 to continuously and automatically analyze the components of the organic mixture in the samples in each bottle 8 on the bottle rack I5, and places the used bottles 8 on the bottle rack II6.
[0058] Among them, it can be known from steps S2 to S3 that the automatic sample changing device can gradually put each bottle 8 on the bottle rack I5 on the detection rod 3 of the tandem mass spectrometer 1 through the linkage cooperation of the horizontal electric cylinder 12 and the vertical electric cylinder 14, so as to analyze the organic mixture in the sample in the bottle 8, and put the used bottle 8 on the bottle rack II6 through the linkage cooperation of the horizontal electric cylinder 12 and the vertical electric cylinder 14. It can be seen that in the whole operation process, there is no need to manually remove the bottle 8 on the bottle rack I5, nor is there any need to manually put the bottle 8 on the detection rod 3, nor is there any need to manually place the used bottle 8 on the bottle rack II6, thereby greatly reducing the work intensity of the staff.
[0059] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An automatic bottle changing device for a tandem mass spectrometer, comprising a mounting plate (4) fixedly mounted on the bottom surface of a cavity (2) of a tandem mass spectrometer (1), the left and right ends of the mounting plate (4) both extending outside the cavity (2), a bottle frame I (5) fixedly mounted on the top surface of the left extended end of the mounting plate (4), a bottle frame II (6) fixedly mounted on the top surface of the right extended end of the mounting plate (4), a plurality of blind holes (7) being formed on the top surfaces of the bottle frame I (5) and the bottle frame II (6) along their length direction, characterized in that: A stepper motor (9) is disposed on the top surface of the mounting plate (4) and between the bottle frame II (6) and the tandem mass spectrometer (1). A turntable (10) is fixedly disposed on the output shaft of the stepper motor (9). A base (11) is fixedly disposed on the top surface of the turntable (10). A horizontal electric cylinder (12) is fixedly disposed on the right end surface of the base (11). The piston rod of the horizontal electric cylinder (12) passes through the base (11) to the left, and a connecting plate (13) is fixedly disposed on the extended end. A vertical electric cylinder (14) is fixedly disposed on the top surface of the connecting plate (13). A support plate (15) is fixedly disposed on the active end of the piston rod of the vertical electric cylinder (14). The support plate (15) extends to the left, and a U-shaped plate (16) is fixedly disposed on the extended end. The opening of the U-shaped plate (16) is disposed to the left.
2. The automatic sample changing device for a tandem mass spectrometer according to claim 1, characterized in that: The spacing between each two adjacent blind holes (7) on the bottle body rack I (5) is equal, and the spacing between each two adjacent blind holes (7) on the bottle body rack II (6) is equal.
3. The automatic sample changing device for a tandem mass spectrometer according to claim 1, characterized in that: The diameter of the blind hole (7) is equal to the outer diameter of the bottle body (8).
4. The automatic sample changing device for a tandem mass spectrometer according to claim 1, characterized in that: The longitudinal width of the opening of the U-shaped plate (16) is equal to the outer diameter of the bottle body (8).
5. The automatic sample changing device for a tandem mass spectrometer according to claim 1, characterized in that: The base (11) is fixedly mounted on the turntable (10) by means of screws.
6. The automatic sample changing device for a tandem mass spectrometer according to claim 1, characterized in that: The automatic sample changing device also includes a controller, which is electrically connected to the horizontal electric cylinder (12) and the vertical electric cylinder (14) via a signal line.