Automatic conveyor for packing silica gel column

Abstract

The utility model provides an automatic conveyor for silica gel packing, which relates to the technical field of experimental instruments and comprises a silica gel filling cylinder, an air pump and a sealing plug, the silica gel filling cylinder is communicated with the air pump, the sealing plug is arranged below the silica gel filling cylinder, an upper feeding pipe is fixedly arranged on the upper portion of the silica gel filling cylinder, and a lower feeding pipe is fixedly arranged on the lower portion of the silica gel filling cylinder. An upper filter element is fixedly arranged at the top of the inner side of the silica gel filling barrel, the lower end of the silica gel filling barrel is communicated with a lower electric valve, an outer feeding pipe is fixedly arranged on the outer side of the silica gel filling barrel, and a middle control panel is arranged on the outer side of the air pump machine. The silica gel filling barrel sucks silica gel through the outer feeding pipe, and then the silica gel filling barrel fills the silica gel of the chromatographic column through the lower discharging pipe, so that the silica gel filling by personnel is more labor-saving, the additional loss of the silica gel is reduced, and the problem that a large amount of silica gel floats in the air in the silica gel filling process to cause the additional loss of the silica gel is solved. The silica gel is inhaled by people, and the health is harmed.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental instrument technical field especially relates to a silica gel column loading automatic conveying machine. BACKGROUND

[0002] In the experiment of pharmaceutical intermediate synthesis, the medium of separating and purifying different components in the mixture is carried out through silica gel, and the separation of substances is realized through the adsorption force of silica gel and different substances.

[0003] In the silica gel packing of the chromatographic column, the silica gel is first poured into a beaker by personnel, and then the silica gel is packed into the chromatographic column through the beaker. Since the silica gel particles are very small, a large amount of silica gel will float in the air during the packing process, causing additional loss of silica gel. If the silica gel is inhaled by the operator, it will harm the health of the personnel. The silica gel falling on the desktop also increases the cleaning burden of the personnel. SUMMARY

[0004] The silica gel column loading automatic conveying machine of the present disclosure can create negative pressure in the silica gel packing cylinder by air suction through the air pump, realize the suction process of silica gel through the outer feeding pipe, and then perform silica gel packing operation on the chromatographic column through the lower discharge pipe. Personnel can pack silica gel more easily. Silica gel is transferred inside the silica gel packing cylinder, reducing the exposure of silica gel to air during external transfer, reducing the harm of silica gel to operators, reducing the additional loss of silica gel, and reducing the cleaning burden of personnel on the desktop.

[0005] In the first aspect of the present disclosure, a silica gel column loading automatic conveying machine is provided, which specifically comprises: a silica gel packing cylinder, an air pump and a sealing plug. The silica gel packing cylinder and the air pump are in communication. A sealing plug is arranged below the silica gel packing cylinder. An upper feeding pipe is fixedly arranged at the upper part of the silica gel packing cylinder. An upper filter element is fixedly arranged at the inner top of the silica gel packing cylinder. A lower electric valve is in communication with the lower end of the silica gel packing cylinder. An outer feeding pipe is fixedly arranged on the outer side of the silica gel packing cylinder.

[0006] In at least some embodiments, the lower end of the upper feeding pipe extends to the inner lower part of the silica gel packing cylinder. The upper end of the outer feeding pipe is in communication with the upper feeding pipe. The silica gel packing cylinder sucks silica gel through the upper feeding pipe in communication with the outer feeding pipe. The silica gel packing cylinder discharges silica gel through the lower discharge pipe for silica gel packing operation on the chromatographic column.

[0007] In at least some embodiments, a control panel is arranged on the outer side of the air pump. An air inlet pipe and an air outlet pipe are respectively in communication with the top of the air pump. The air inlet pipe of the air pump is in communication with the silica gel packing cylinder through the upper filter element. The upper filter element filters silica gel. After the silica gel packing cylinder sucks air, a negative pressure state is created inside the silica gel packing cylinder.

[0008] In at least some embodiments, the middle control panel is electrically connected with the lower electric valve, and the middle control panel controls the lower electric valve and the air pump machine; the inlet pipe is in communication with the upper filter core pipe; the upper filter core filters silica gel, avoiding silica gel from entering the inlet pipe.

[0009] In at least some embodiments, the middle part of the sealing plug is circumferentially rotatably provided with a middle rotating disc, and the middle rotating disc is axially provided with a lower discharge pipe.

[0010] In at least some embodiments, the lower discharge pipe is circumferentially rotatably connected with the middle rotating disc, and the lower discharge pipe is eccentrically arranged at one side of the middle rotating disc; the lower discharge pipe moves in a circular ring shape along with the middle rotating disc.

[0011] In at least some embodiments, the sealing plug is a circular truncated cone structure with a wide upper part and a narrow lower part; the sealing plug is made of rubber and is tightly sealed to the top of the chromatographic column; the upper end of the lower discharge pipe is in communication with the lower end of the lower electric valve; and the silica gel filling cylinder and the air pump machine are fixedly arranged side by side.

[0012] The silica gel column filling automatic conveying machine has the following beneficial effects:

[0013] The air pump machine generates negative pressure by inhaling air from the silica gel filling cylinder, realizes the silica gel suction process of the silica gel filling cylinder through the outer inlet pipe, and then realizes the silica gel filling and conveying operation of the chromatographic column through the lower discharge pipe, thereby eliminating the process of pouring silica gel into a beaker and then pouring and filling into the chromatographic column, realizing one-time silica gel transfer and conveying, reducing the operation burden of personnel, saving labor for silica gel filling, transferring silica gel in the silica gel filling cylinder, reducing the situation that silica gel is exposed to air during external transfer, reducing the harm of silica gel to the operator, and reducing the additional loss of silica gel.

[0014] The sealing plug seals the top of the chromatographic column, the lower discharge pipe moves in a circular shape along with the middle rotating disc, the lower discharge pipe moves in a circular ring shape to adjust the silica gel filling position, and the uniformity of silica gel filling in the chromatographic column is promoted. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present application, and are not a limitation on the present application.

[0017] In the drawings:

[0018] Figure 1 A schematic view of the overall structure of the present application is shown;

[0019] Figure 2A schematic diagram of a silica gel filling tube cross-sectional structure of the present application is shown.

[0020] Figure 3 A schematic diagram of a gas pump machine structure of the present application is shown.

[0021] Figure 4 A schematic diagram of an upper feeding pipe structure of the present application is shown.

[0022] Figure 5 A schematic diagram of a sealing plug structure of the present application is shown.

[0023] Figure 6 A schematic diagram of a split state structure of the present application is shown.

[0024] List of reference signs

[0025] 1. Silica gel filling tube; 101. Upper feeding pipe; 102. Upper filter core; 103. Lower electric valve; 104. Outer feeding pipe;

[0026] 2. Gas pump machine; 201. Middle control panel; 202. Air inlet pipe; 203. Air outlet pipe;

[0027] 3. Sealing plug; 301. Middle transfer disc; 302. Lower discharging pipe. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Embodiment one: please refer to Figures 1 to 6 :

[0030] This utility model discloses an automatic silicone filling cylinder conveyor, comprising: a silicone filling cylinder 1, an air pump 2, and a sealing plug 3. An upper feed pipe 101 is fixedly installed on the upper part of the silicone filling cylinder 1. An upper filter element 102 is fixedly installed on the top inner side of the silicone filling cylinder 1. A lower electric valve 103 is connected to the lower end of the silicone filling cylinder 1. An outer feed pipe 104 is fixedly installed on the outer side of the silicone filling cylinder 1. The silicone filling cylinder 1 is connected to the outer feed pipe 104 via the upper feed pipe 101. The silica gel inhalation process involves a silica gel filling cylinder 1 connected to an air pump 2. A control panel 201 is located on the outside of the air pump 2. The air pump 2 is a piston-type pump. The control panel 201 is electrically connected to a lower electric valve 103, controlling both the lower electric valve 103 and the air pump 2. The air inlet pipe 202 is connected to an upper filter element 102, which filters the silica gel to prevent it from entering the air inlet pipe 202. The air pump 2 is powered by a motor. The cam drives the piston to reciprocate, achieving air intake and exhaust. The top of the air pump 2 is connected to and fixed with an intake pipe 202 and an exhaust pipe 203. The intake pipe 202 of the air pump 2 connects to the silica gel filling cylinder 1 via an upper filter element 102. The upper filter element 102 filters the silica gel. After the silica gel filling cylinder 1 draws in air, a negative pressure is created inside the silica gel filling cylinder 1, enabling the silica gel filling process to be carried in through the upper feed pipe 101 connected to the outer feed pipe 104. A sealing plug 3 is provided at the bottom of the cylinder 1. A central rotating plate 301 is rotatably provided in the middle of the sealing plug 3. A lower discharge pipe 302 is axially provided through the central rotating plate 301. The sealing plug 3 is a frustum-shaped structure that is wider at the top and narrower at the bottom. The rubber sealing plug 3 fits against the top of the chromatographic column to seal it, reducing leakage during the silica gel filling process. The upper end of the lower discharge pipe 302 is connected and fixed to the lower end of the lower electric valve 103. The silica gel filling cylinder 1 and the air pump 2 are fixedly arranged side by side.

[0031] In the embodiments disclosed herein, as shown in the appendix Figure 2 and 3 As shown, the lower end of the upper feed pipe 101 extends to the lower inner part of the silica gel packing cylinder 1, and the upper end of the outer feed pipe 104 is connected to the upper feed pipe 101. The silica gel packing cylinder 1 draws in silica gel through the upper feed pipe 101 and the outer feed pipe 104. The silica gel packing cylinder 1 discharges silica gel through the lower discharge pipe 302 for silica gel packing operation of the chromatographic column. The silica gel is transferred inside the silica gel packing cylinder 1 through the upper feed pipe 101 and the lower discharge pipe 302, which reduces the situation where silica gel floats and is exposed to the air due to external transfer, reduces the situation where silica gel in the air is inhaled by personnel, and also avoids the problem of silica gel falling onto the table and increasing the cleaning burden for personnel.

[0032] In the embodiments disclosed herein, as shown in the appendix Figure 1 , 2As shown in Figs. 5, the lower discharge pipe 302 is circumferentially rotatably connected to the transfer disc 301, the lower discharge pipe 302 is eccentrically arranged at one side of the transfer disc 301, the lower discharge pipe 302 moves in a circular ring along with the transfer disc 301, the circular ring movement of the lower discharge pipe 302 adjusts the falling position of the silica gel, and the uniform packing of the silica gel in the chromatographic column is ensured.

[0033] In example two, on the basis of example one, the silica gel packing cylinder 1 is adjusted in horizontal and vertical directions by two vertical and horizontal electric screw rods, the silica gel packing cylinder 1 can pack the silica gel in the chromatographic column without being held by personnel, after the packing is completed, the silica gel packing cylinder 1 moves upward along with the electric screw rod and separates from the chromatographic column, and then the silica gel packing cylinder 1 moves to one side of the chromatographic column along with the horizontal electric screw rod, so that the automatic silica gel packing operation is realized.

[0034] The working principle of the embodiment is as follows: the middle control panel 201 is pressed to start the air pump machine 2, the outer feeding pipe 104 is connected to the silica gel storage tank through a hose or directly inserted into the silica gel storage tank, the air inlet pipe 202 of the air pump machine 2 is connected to the silica gel packing cylinder 1 through the upper filter core 102, the silica gel is filtered by the upper filter core 102, the silica gel packing cylinder 1 generates a negative pressure state after inhaling, the silica gel packing cylinder 1 is connected to the outer feeding pipe 104 through the upper feeding pipe 101 to inhale the silica gel, the silica gel is inhaled into the silica gel packing cylinder 1, the lower discharge pipe 302 is inserted into the chromatographic column, then the middle control panel 201 is pressed to stop the air pump machine 2, the lower electric valve 103 is opened, the silica gel packing cylinder 1 and the lower discharge pipe 302 are connected after the lower electric valve 103 is opened, then the silica gel in the silica gel packing cylinder 1 is discharged through the lower discharge pipe 302 to pack the silica gel in the chromatographic column, the personnel can pack the silica gel more labor-savingly, the silica gel is poured into a beaker and then poured into the chromatographic column for packing, the silica gel transfer is completed in one time, the operation burden of the personnel is reduced, the personnel uses more labor-savingly, the silica gel in the silica gel packing cylinder 1 is transferred to the outside through the lower discharge pipe 302 and the upper feeding pipe 101, the situation that the silica gel is exposed to air during the external transfer is reduced, the harm of the silica gel inhaled by the operator is reduced, the additional loss of the silica gel due to the air exposure is reduced, the burden of the personnel to clean the silica gel residues on the table is reduced, and the problems in the prior art, such as the silica gel packing in the chromatographic column through a beaker, the large opening of the beaker, the large amount of silica gel floating in the air during the packing process due to the small silica gel particles, the additional loss of the silica gel, the harm of the silica gel inhaled by the operator, and the increased burden of the personnel to clean the silica gel residues on the table are avoided.

[0035] The sealing plug 3 made of rubber material is attached to the top of the chromatographic column to seal, and the sealing plug 3 made of rubber material reduces the outward leakage of silica gel. The lower discharge pipe 302 moves in a circular ring along with the transfer disc 301, and the circular ring movement of the lower discharge pipe 302 adjusts the silica gel filling position, promotes the uniformity of the silica gel falling filling in the chromatographic column, and ensures the uniform filling of the silica gel in the chromatographic column.

[0036] In this paper, the following points need attention:

[0037] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0038] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0039] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A silica gel column loading automatic conveyor, comprising: Silica gel filling cylinder (1), air pump machine (2) and sealing plug (3); characterized in that, the silica gel filling cylinder (1) and the air pump machine (2) are communicated, the lower part of the silica gel filling cylinder (1) is provided with the sealing plug (3), the upper part of the silica gel filling cylinder (1) is fixedly provided with an upper feeding pipe (101), the inner top of the silica gel filling cylinder (1) is fixedly provided with an upper filter core (102), the lower end of the silica gel filling cylinder (1) is communicatedly provided with a lower electric valve (103), and the outer side of the silica gel filling cylinder (1) is fixedly provided with an outer feeding pipe (104).

2. The silica gel filling column automatic conveyor according to claim 1, wherein the lower end of the upper feeding pipe (101) extends to the inner lower part of the silica gel filling cylinder (1), and the upper end of the outer feeding pipe (104) is communicated with the upper feeding pipe (101).

3. The silica gel filling column automatic conveyor according to claim 1, wherein the outer side of the air pump machine (2) is provided with a middle control panel (201), and the top of the air pump machine (2) is respectively communicatedly fixed with an air inlet pipe (202) and an air outlet pipe (203).

4. The silica gel filling column automatic conveyor according to claim 3, wherein the middle control panel (201) and the lower electric valve (103) are electrically connected, and the air inlet pipe (202) and the upper filter core (102) are communicated in pipeline.

5. The silica gel filling column automatic conveyor according to claim 1, wherein the middle part of the sealing plug (3) is circumferentially rotatably provided with a middle rotating disc (301), and the middle rotating disc (301) is axially penetratedly provided with a lower discharge pipe (302).

6. The silica gel filling column automatic conveyor according to claim 5, wherein the lower discharge pipe (302) and the middle rotating disc (301) are circumferentially rotatably connected, and the lower discharge pipe (302) is eccentrically arranged on one side of the middle rotating disc (301).

7. The silica gel filling column automatic conveyor according to claim 6, wherein the sealing plug (3) is a circular truncated cone structure with a wide upper part and a narrow lower part, the upper end of the lower discharge pipe (302) is communicatedly fixed with the lower end of the lower electric valve (103), and the silica gel filling cylinder (1) and the air pump machine (2) are fixedly arranged side by side. ​ ​ ​ ​ ​ ​

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