Liquid chromatography detection sample treatment device
By combining the feeding mechanism and the vibration screening mechanism, the problems of screen damage and low screening efficiency caused by uneven sample dispersion are solved, and uniform sample dispersion and efficient screening are achieved.
Patent Information
- Application Number
- CN202520352085.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-03
AI Technical Summary
In existing liquid chromatography detection devices, uneven sample dispersion leads to sieve damage and low screening efficiency, making it impossible to achieve uniform sample distribution.
The feeding mechanism and the vibrating screening mechanism are adopted. The cone-shaped material distribution plate and the stirring rod realize the uniform dispersion and buffering of the sample. Combined with the vibrating screen, the screening is carried out to prevent material blockage and agglomeration.
This method achieves uniform sample distribution, improves screening efficiency, protects the screen, prevents screen damage, and enhances screening effect.
Smart Images

Figure CN223902418U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to liquid chromatography detection technical field, concretely is a kind of liquid chromatography detection sample processing device. BACKGROUND
[0002] Liquid chromatography is a commonly used analysis technique, widely used in chemical, biological, food, environmental and other fields of sample analysis. In liquid chromatography detection, the processing of sample is crucial, directly affects the final detection result.
[0003] Through the search like the announcement number CN222014100U discloses a kind of liquid tank chromatography detection sample processing device, its main features are: including base, rotationally connected on the base processing box, setting in the top of the processing box lid and setting in the inlet tube on the lid, the filter screen plate is fixedly installed in the top of the processing box inside;The processing device further includes the fixed seat of the fixed installation in the lid corresponding the position of the inlet tube, rotationally connected on the fixed seat and with the inlet tube and processing box inside communication dispersion pipe and setting in the fixed seat for driving the dispersion pipe rotation drive mechanism.
[0004] The screening mechanism for liquid chromatography detection sample in the above application in actual use, applicant finds: the above-mentioned material distribution structure feeding, through the dispersion pipe of rotation is dispersed raw material, to improve screening efficiency, but in actual use, many samples directly from the center of dispersion pipe directly fall into sieve, so as not to contact with the inner wall of dispersion pipe, and then cannot fully drive sample dispersion distribution, so as not to realize good distribution effect, and the above-mentioned structure in distribution, sample accelerates directly impact sieve, easy to cause sieve damage, in order to solve the problem proposed above, a kind of liquid chromatography detection sample processing device is presented. UTILITY MODEL CONTENTS
[0005] The utility model aims at: in order to solve the problem proposed above, provide a kind of liquid chromatography detection sample processing device.
[0006] The technical scheme adopted by the utility model is as follows: a kind of liquid chromatography detection sample processing device, including base, liquid chromatography detection sample vibration screening mechanism and feeding mechanism, the screening mechanism and the feeding mechanism are all installed on the base, the feeding mechanism is set in the upper portion of the vibration screening mechanism;
[0007] The feeding mechanism includes a box cover, with multiple support pillars fixedly connected to the outer wall of the box cover. The support pillars are fixedly installed on the base. A feeding pipe is fixedly connected to the top of the box cover. A motor is fixedly installed on the feeding pipe. The motor is connected to a rotating shaft through an output shaft. A conical distributing plate is fixedly connected to the lower part of the rotating shaft. Multiple stirring rods are fixedly connected to the outer wall of the rotating shaft. An annular conical receiving plate is fixedly installed in the lower part of the inner cavity of the box cover.
[0008] In a preferred embodiment, the vibrating screening mechanism includes a screening box, a screen is fixedly installed on the upper part of the inner cavity of the screening box, a vibration motor is fixedly installed on the bottom of the screening box, a boss is fixedly connected to the bottom of the screening box, a spring is fixedly connected to the bottom of the boss, and the bottom of the spring is fixedly installed on the base.
[0009] In a preferred embodiment, a telescopic rubber sleeve is connected between the top of the screening box and the bottom of the box cover.
[0010] In a preferred embodiment, the screen is slightly tilted.
[0011] In a preferred embodiment, an inspection port is provided on the upper side wall of the screening box, the inspection port is located at the lowest point of the screen, and a hinged door is provided at the inspection port and installed on the screening box.
[0012] In a preferred embodiment, the bottom of the screening box is designed to be inclined.
[0013] In a preferred embodiment, a discharge port is provided on the side wall of the screening box, and the discharge port is located at the lowest point of the bottom of the screening box.
[0014] In a preferred embodiment, a guide trough is fixedly installed on the screening box at the discharge port, and the guide trough is inclined downward.
[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0016] 1. In this utility model, the liquid chromatography sample is fed into the box cover through the feeding tube. The liquid chromatography sample then falls onto the annular conical receiving tray. At this time, the motor is started to drive the rotating shaft to rotate, thereby driving the annular conical receiving tray to rotate, thus distributing the liquid chromatography sample evenly around the sieve. Compared with the distribution structure in the prior art, the present application can fully and evenly distribute and screen the sample, resulting in better distribution effect and further improving screening efficiency.
[0017] 2. The utility model discloses a cone distributing disc rotates when distributing material, at this moment, liquid chromatography detection sample falls directly on the annular cone receiving tray, and then falls from the annular cone receiving tray to the screen, thereby buffering the falling of liquid chromatography detection sample, so that liquid chromatography detection sample directly impacting the screen is avoided, and the screen is further protected.
[0018] 3. In the utility model, the rotating shaft rotates during the distribution process, drives the stirring rod to rotate, and the stirring rod can stir the liquid chromatography detection sample in the feeding pipe, thereby preventing material blockage. Meanwhile, the stirring rod can crush larger agglomerated samples. During the distribution process, smaller agglomerated liquid chromatography detection samples are broken by impact when falling on the annular cone receiving tray, thereby further crushing the agglomerated liquid chromatography detection samples, so that the agglomeration of the samples is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a perspective structure schematic diagram of the utility model;
[0020] Figure 2 It is a front view internal structure schematic diagram of the utility model;
[0021] Figure 3 It is a perspective structure schematic diagram of the utility model's dispersing step structure;
[0022] Figure 4 It is a perspective structure schematic diagram of the utility model's annular cone receiving tray.
[0023] Markings in the figure: 1 - base, 2 - vibrating screening mechanism, 3 - feeding mechanism, 4 - box cover, 5 - support column, 6 - feeding pipe, 7 - motor, 8 - rotating shaft, 9 - cone distributing disc, 10 - stirring rod, 11 - annular cone receiving tray, 12 - screening box, 13 - screen, 14 - convex seat, 15 - spring, 16 - telescopic rubber sleeve, 17 - access hole, 18 - door, 19 - discharge port, 20 - guide chute, 21 - vibrating motor. DETAILED DESCRIPTION
[0024] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] The embodiments of the utility model will be described below in combination with the drawings. Figures 1-4The liquid chromatography sample processing device is used for liquid chromatography sample processing.
[0026] Embodiments:
[0027] The liquid chromatography sample processing device is used for liquid chromatography sample processing. Figures 1 to 4 The liquid chromatography sample processing device is used for liquid chromatography sample processing.
[0028] The liquid chromatography sample processing device is used for liquid chromatography sample processing. Figures 1 to 4 The liquid chromatography sample processing device is used for liquid chromatography sample processing.
[0029] The liquid chromatography sample processing device is used for liquid chromatography sample processing. Figures 1 to 4 The liquid chromatography sample processing device is used for liquid chromatography sample processing.
[0030] The liquid chromatography sample processing device is used for liquid chromatography sample processing. Figures 1 to 4 The liquid chromatography sample processing device is used for liquid chromatography sample processing.
[0031] The liquid chromatography sample processing device is used for liquid chromatography sample processing. Figures 1 to 4As shown, an annular conical receiving tray 11 is fixedly installed in the lower part of the inner cavity of the box cover 4. When the conical distributing tray 9 rotates to distribute the material, the liquid chromatography detection sample will fall directly onto the annular conical receiving tray 11, and then fall from the annular conical receiving tray 11 onto the screen 13. This buffers the liquid chromatography detection sample, preventing it from directly impacting the screen 13 and thus protecting the screen 13. At the same time, when the liquid chromatography detection sample falls onto the annular conical receiving tray 11, smaller clumps of liquid chromatography detection sample will be broken up by the impact, further breaking up the clumps of liquid chromatography detection sample.
[0032] refer to Figures 1 to 4 As shown, a telescopic rubber sleeve 16 is connected between the top of the screening box 12 and the bottom of the box cover 4. This structure uses the telescopic rubber sleeve 16 to seal the connection between the screening box 12 and the box cover 4, and at the same time, it uses the elastic properties of the telescopic rubber sleeve 16 to prevent the vibration of the screening box 12 from being transmitted to the box cover 4.
[0033] refer to Figures 1 to 4 As shown, the bottom of the screening box 12 is designed to be inclined, and a discharge port 19 is provided on the side wall of the screening box 12. The discharge port 19 is located at the lowest point of the bottom of the screening box 12. In this structure, the qualified liquid chromatography test samples screened out will fall into the bottom of the screening box 12 and then be discharged from the screening box 12 through the discharge port 19.
[0034] refer to Figures 1 to 4 As shown, a guide trough 20 is fixedly installed on the screening box 12 at the discharge port 19. The guide trough 20 is inclined downward. This structure uses the guide trough 20 to export the liquid chromatography detection sample.
[0035] refer to Figures 1 to 4 As shown, the screen 13 is slightly inclined. An inspection port 17 is provided on the upper side wall of the screening box 12. The inspection port 17 is located at the lowest point of the screen 13. A sealing door 18 is hinged and installed on the screening box 12 at the inspection port 17. The sealing door 18 is controlled to open and close by a door lock. This structure allows the impurities screened on the screen 13 to be cleaned by opening the sealing door 18. The slightly inclined design of the screen 13 allows the impurities to be concentrated at the inspection port 17, which facilitates the centralized cleaning of impurities.
[0036] It should be noted that the screening mechanism disclosed in the above embodiments is applied to the screening of samples for liquid tank chromatography.
[0037] The implementation principle of the sample processing device for liquid chromatography detection according to an embodiment of the application is as follows: when in use, a person puts the liquid chromatography detection sample to be screened into the feeding pipe 6, at this time, the liquid chromatography detection sample falls onto the annular conical receiving disc 11, at this time, the motor 7 is started to drive the rotating shaft 8 to rotate, thereby driving the annular conical receiving disc 11 to rotate, thereby spreading the liquid chromatography detection sample, so that the liquid chromatography detection sample is uniformly spread around the screen 13, at the same time, the rotating shaft 8 rotates to drive the stirring rod 10 to rotate, the stirring rod 10 can be used to stir the liquid chromatography detection sample in the feeding pipe 6, thereby preventing the material from being blocked, at the same time, the stirring rod 10 can be used to crush the larger agglomerated sample, then the dispersed liquid chromatography detection sample falls onto the annular conical receiving disc 11, thereby buffering the falling of the liquid chromatography detection sample, at the same time, when the liquid chromatography detection sample falls onto the annular conical receiving disc 11, the smaller agglomerated liquid chromatography detection sample is broken by impact, thereby further crushing the agglomerated liquid chromatography detection sample, then the liquid chromatography detection sample falls from the annular conical receiving disc 11 to the screen 13, at this time, the screen 13 is used to screen the liquid chromatography detection sample, thereby separating the impurities, and at the time of screening, the vibrating motor 21 cooperates with the spring 15, thereby driving the screen 13 to vibrate, thereby realizing the vibrating screening.
[0038] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A liquid chromatography sample processing device comprising a base (1), a liquid chromatography sample shaking and sieving mechanism (2) and a feeding mechanism (3), characterized in that: The screening mechanism and the feeding mechanism (3) are installed on the base (1), and the feeding mechanism (3) is arranged on the upper portion of the vibrating screening mechanism (2). The feeding mechanism (3) comprises a box cover (4), a plurality of support columns (5) are fixedly connected to the outer wall of the box cover (4), the support columns (5) are fixedly installed on the base (1), a feeding pipe (6) is fixedly connected to the top of the box cover (4), a motor (7) is fixedly installed on the feeding pipe (6), the motor (7) is connected with a rotating shaft (8) through an output shaft, a conical distributing disc (9) is fixedly connected to the lower portion of the rotating shaft (8), a plurality of stirring rods (10) are fixedly connected to the outer wall of the rotating shaft (8), and a ring-shaped conical receiving disc (11) is fixedly installed in the lower portion of the inner cavity of the box cover (4).
2. A liquid chromatography sample handling apparatus as defined in claim 1, wherein: The vibrating screening mechanism (2) comprises a screening box (12), a screen (13) is fixedly installed on the upper portion of the inner cavity of the screening box (12), a vibrating motor (21) is fixedly installed on the bottom of the screening box (12), a convex base (14) is fixedly connected to the bottom of the screening box (12), a spring (15) is fixedly connected to the bottom of the convex base (14), and the bottom of the spring (15) is fixedly installed on the base (1).
3. A liquid chromatography sample handling apparatus as defined in claim 2, wherein: A telescopic rubber sleeve (16) is connected between the top of the screening box (12) and the bottom of the box cover (4).
4. A liquid chromatography sample handling apparatus as defined in claim 2, wherein: The screen (13) is designed to be slightly inclined.
5. A liquid chromatography sample handling apparatus as defined in claim 2, wherein: An inspection opening (17) is formed in the upper side wall of the screening box (12), the inspection opening (17) is arranged at the lowest position of the screen (13), and a door (18) is hingedly installed on the screening box (12) and arranged at the inspection opening (17).
6. A liquid chromatography sample handling apparatus as defined in claim 2, wherein: The bottom of the screening box (12) is designed to be inclined.
7. A liquid chromatography sample handling apparatus as defined in claim 2, wherein: A discharging opening (19) is formed in the lower side wall of the screening box (12), and the discharging opening (19) is arranged at the lowest position of the bottom of the screening box (12).
8. A liquid chromatography sample handling apparatus as defined in claim 7, wherein: A material guide groove (20) is fixedly installed on the screening box (12) and arranged at the discharging opening (19), and the material guide groove (20) is arranged to be downwardly inclined.