CN220535014U - Be suitable for fashioned loading attachment of solid powder - Google Patents

Abstract

The utility model provides a loading device suitable for solid powder forming, which belongs to the technical field of powder loading and comprises a frame, a lower pressing assembly, a lower sealing assembly, an upper pressing assembly and an upper sealing assembly; the upright post is internally provided with a containing cavity; the lower pressing component is arranged on the frame and connected below the upright post; the lower pressing component is provided with a lower pressing end which moves upwards along the vertical direction, and the lower pressing end is connected in the accommodating cavity in a sliding manner along the vertical direction; the lower sealing component is arranged in the accommodating cavity and is connected with the lower pressing end; the upper pressing component is arranged on the frame and is arranged above the upright post; the upper pressing component is provided with an upper pressing end which moves up and down along the vertical direction to be close to or far away from the upper end of the upright post; the upper sealing component is arranged above the upright post and connected with the upper pressing end; the lower end of the upper sealing component is sealed at the top of the containing cavity. The loading device suitable for solid powder molding is convenient to operate, good in sealing effect, high in sealing efficiency and higher in accuracy of experimental analysis results.

Description

Be suitable for fashioned loading attachment of solid powder

Technical Field

The utility model belongs to the technical field of powder loading, and particularly relates to a loading device suitable for solid powder forming.

Background

When the solid powder is pretreated, the powder is usually required to be added into a column of a loading column, the powder is extruded into a cake column, and the powder is dissolved by a specified solvent sample to form a loading liquid, so that the loading liquid formed after dissolution is conveyed to a chromatograph for further test and analysis.

In the prior art, when the medicine powder is loaded, the steps of extruding and dissolving the medicine powder and conveying loading liquid are usually carried out after the medicine powder is manually sealed by an operator; the manual operation efficiency is low, the repeated operation is easily influenced by the personal state of an operator, the sealing effect is poor, and the accuracy of experimental analysis results is influenced.

Disclosure of Invention

The utility model aims to provide a loading device suitable for solid powder molding, and aims to solve the technical problems of low efficiency, poor sealing effect and poor accuracy of experimental analysis results existing in the existing powder loading device when manual operation is adopted.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a loading device suitable for solid powder molding, comprising:

the stand is provided with a stand column extending along the vertical direction, a containing cavity is arranged in the stand column, and the containing cavity is used for containing medicinal powder;

the lower pressing component is arranged on the stand and is connected below the upright post; the lower pressing component is provided with a lower pressing end which moves upwards along the vertical direction, and the lower pressing end is connected in the accommodating cavity in a sliding manner along the vertical direction;

the lower sealing assembly is arranged in the accommodating cavity and is connected with the lower pressing end; the lower sealing component is used for sealing the lower end of the accommodating cavity;

the upper pressing component is arranged on the stand and is arranged above the upright post; the upper pressing component is provided with an upper pressing end which moves up and down along the vertical direction to be close to or far away from the upper end of the upright post; and

the upper sealing assembly is arranged above the upright post and is connected with the upper pressing end; the lower end of the upper sealing assembly is sealed at the top of the accommodating cavity.

In one possible implementation manner, a lower joint piece is penetrated in the lower sealing assembly, one end of the lower joint piece is communicated with the lower pressing assembly, and the other end of the lower joint piece is communicated with the accommodating cavity; the lower joint piece is used for conveying a solvent into the accommodating cavity so as to dissolve the medicinal powder and form a sample loading liquid;

an upper joint piece is arranged in the upper sealing assembly in a penetrating way, one end of the upper joint piece is communicated with the accommodating cavity, and the other end of the upper joint piece is communicated with the upper pressing assembly; the upper joint piece is used for conveying the sample loading liquid into the upper pressing assembly.

In one possible implementation manner, the upper sealing component is provided with a limiting part extending outwards along the radial direction of the upright post, the frame is also provided with a limiting component, and the limiting component is provided with a limiting end extending and contracting along the radial direction of the upright post;

when the upper sealing assembly seals the upper end of the upright post, the limiting end is used for extending to the limiting part along the radial direction of the upright post so as to limit the upper sealing assembly.

In some embodiments, the spacing assembly comprises:

the limiting cylinder is arranged on one side of the upright post, and the telescopic end of the limiting cylinder horizontally stretches along the radial direction of the upright post;

the limiting bolt plate is connected to the telescopic end of the limiting cylinder; one end of the limiting bolt plate, which is close to the upright post, is the limiting end;

when the upper sealing assembly seals the upper end of the upright post, the limit bolt plate is used for extending out to the upper side of the limit part along the radial direction of the upright post.

The frame is provided with an annular sleeve sleeved outside the upright post, and the limit bolt plate is connected to the annular sleeve in a sliding manner along the radial direction of the upright post;

the limiting bolt plate slides into the annular sleeve along the radial direction of the upright post and is abutted to the limiting part.

The limiting part is an annular plate horizontally extending along the radial direction of the upright post, and the annular plate is arranged at the lower end of the upper sealing assembly and is positioned at the periphery of the upright post.

In one possible implementation, the upper compression assembly includes:

the upper pressure driving piece is fixed on the frame; the output end of the upper pressure driving piece is provided with a degree of freedom which stretches up and down along the vertical direction;

the upper pressing plate is fixed at the output end of the upper pressing driving piece;

the upper pressing column is arranged above the upright column and penetrates through the upper pressing plate, and the lower end of the upper pressing column is connected with the upper sealing assembly to form the upper pressing end;

the upper pressing driving piece drives the upper pressing plate to move downwards, so that the upper pressing column is driven to seal the upper sealing assembly downwards at the upper end of the upright post.

In some embodiments, the upper pressing column is provided with an annular part protruding outwards along the radial direction of the upper pressing column, and the annular part is arranged below the upper pressing plate; a first elastic piece is connected between the annular part and the upper pressing plate, and the first elastic piece is sleeved on the peripheral wall of the upper pressing column.

Illustratively, an infusion channel which is vertically penetrated is arranged in the upper pressing column, and the upper end of the upper sealing component extends into the infusion channel upwards and is abutted with the inner peripheral wall of the infusion channel; the infusion channel is used for conveying a sample loading liquid formed after the medicinal powder is dissolved to the chromatograph.

In one possible implementation, the lower compression assembly includes:

the lower end cover is fixed on the frame and is arranged below the upright post;

the pressing driving piece is fixed on the frame; the power output end of the downward-pressing driving piece is a piston rod which stretches up and down along the vertical direction, and the upper end of the piston rod penetrates through the lower end cover and stretches into the accommodating cavity to be connected with the lower sealing assembly so as to form the lower pressing end; and

the second elastic piece is sleeved on the piston rod and is arranged between the top surface of the lower end cover and the bottom surface of the upright post.

Compared with the prior art, the scheme disclosed by the embodiment of the application is characterized in that the upper sealing assembly and the lower sealing assembly are arranged and used for respectively sealing the upper end and the lower end of the upright post so as to hold the powder in the accommodating cavity, prevent the powder from leaking, and simultaneously facilitate conveying of sample loading liquid formed after the powder is dissolved; the upper pressing component is arranged so as to drive the upper sealing component to move downwards, so that the mechanical sealing of the upper sealing component is realized; the lower pressing component is arranged so that the lower pressing component drives the lower sealing component to move upwards, so that the medicine powder in the accommodating cavity is extruded into a cake column shape, and the cake column-shaped medicine powder is dissolved by the solvent; the application provides a be suitable for fashioned loading attachment of solid powder can realize the mechanical seal of stand, convenient operation can effectively improve work efficiency, and sealed effectual for final experimental analysis result accuracy is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a loading device suitable for forming solid powder according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the lower seal assembly of fig. 1.

In the figure:

1. a frame; 11. an annular sleeve;

2. a column; 21. a receiving chamber;

3. a lower compression assembly; 31. a lower end cap; 32. a piston rod; 33. a second elastic member;

4. a lower seal assembly;

5. an upper compression assembly; 51. pressing the driving piece; 52. an upper press plate; 53. a pressing column is arranged; 531. an annular portion; 532. an infusion channel; 54. a first elastic member;

6. an upper seal assembly; 61. a gland is arranged; 611. a limit part;

7. a limit component; 71. a limit cylinder; 72. a limit bolt plate;

8. a lower joint member;

9. and (5) an upper joint piece.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

For convenience of description, the application uses a loading device to refer to a loading device suitable for forming solid powder.

Referring to fig. 1 to 3, a loading device suitable for forming solid powder according to the present utility model will now be described. The loading device suitable for forming the solid medicine powder comprises a frame 1, a lower pressing component 3, a lower sealing component 4, an upper pressing component 5 and an upper sealing component 6; the stand 1 is provided with a stand column 2 extending along the vertical direction, a containing cavity 21 is arranged in the stand column 2, and the containing cavity 21 is used for containing medicine powder; the lower pressing component 3 is arranged on the frame 1 and is connected below the upright post 2; the lower pressing component 3 is provided with a lower pressing end which moves upwards along the vertical direction, and the lower pressing end is connected in the accommodating cavity 21 in a sliding manner along the vertical direction; the lower sealing component 4 is arranged in the accommodating cavity 21 and is connected with the lower pressing end; the lower sealing assembly 4 is used for sealing the lower end of the accommodating cavity 21; the upper pressing component 5 is arranged on the frame 1 and is arranged above the upright post 2; the upper pressing assembly 5 has an upper pressing end that moves up and down in a vertical direction to be close to or away from the upper end of the column 2; the upper sealing component 6 is arranged above the upright post 2 and is connected with the upper pressing end; the lower end of the upper seal member 6 is closed at the top of the accommodation chamber 21.

Specifically, the lower end portion of the upper seal member 6 extends into the accommodation chamber 21 for closing on top of the accommodation chamber 21 of the pillar 2.

It should be understood that the upper pressing component 5 is used for driving the upper sealing component 6 to move downwards, so that the upper sealing component 6 seals the upper end of the upright post 2; the lower pressing component 3 is used for driving the lower sealing component 4 to move upwards in the accommodating cavity 21 so as to squeeze the medicinal powder into a cake column shape.

It should be noted that, in the application of the application device for solid powder forming, after adding the powder into the accommodating cavity 21, the upper sealing component 6 is driven to move downward by the upper pressing component 5, and the upper sealing component 6 is pressed down on the upper end of the upright post 2 to realize the sealing of the upright post 2; then, the lower pressing component 3 drives the lower sealing component 4 to move upwards in the accommodating cavity 21 so as to squeeze the powder, so that the powder is squeezed into a cake column shape in the accommodating cavity 21, the solvent is conveyed into the accommodating cavity 21 through the lower joint piece 8, the solvent dissolves the cake column-shaped powder to form a sample loading liquid, and the sample loading liquid is conveyed to the middle of the chromatograph for processing through the upper joint piece 9.

Compared with the prior art, the loading device suitable for solid powder molding is provided with the upper sealing component 6 and the lower sealing component 4, which are used for respectively sealing the upper end and the lower end of the upright post 2 so as to contain powder in the accommodating cavity 21, avoid leakage of the powder and simultaneously facilitate conveying of loading liquid formed after the powder is dissolved; the upper pressing component 5 is arranged so that the upper pressing component 5 drives the upper sealing component 6 to move downwards, and therefore mechanical sealing of the upper sealing component 6 is achieved; the lower pressing component 3 is arranged so that the lower pressing component 3 drives the lower sealing component 4 to move upwards, so that the medicinal powder in the accommodating cavity 21 is extruded into a cake column shape, and the cake column-shaped medicinal powder is dissolved by a solvent; the application provides a be suitable for fashioned loading attachment of solid-state powder can realize the mechanical seal of stand 2, convenient operation, can effectively improve work efficiency, and sealed effectual for final experimental analysis result accuracy is higher.

Referring to fig. 1, in some possible embodiments, the upper sealing assembly 6 is provided with a limiting portion 611 extending radially outwards along the upright 2, the frame 1 is further provided with a limiting assembly 7, and the limiting assembly 7 has a limiting end extending radially along the upright 2; wherein, when the upper sealing component 6 seals the upper end of the upright post 2, the limiting end is used for extending to the limiting part 611 along the radial direction of the upright post 2 so as to limit the upper sealing component 6.

Illustratively, the limiting assemblies 7 are provided with at least two groups, and the two groups of limiting assemblies 7 are arranged around the upright post 2 at intervals, so that the upper sealing assembly 6 is stressed symmetrically, and the sealing effect is improved.

The limiting component 7 is used for limiting the upper sealing component 6, so that the upright post 2 always maintains a sealing state in the process of subsequent extrusion, dissolution and sample liquid conveying.

Referring to fig. 1, in some embodiments, the limiting assembly 7 includes a limiting cylinder 71 and a limiting latch plate 72; the limiting cylinder 71 is arranged on one side of the upright post 2, and the telescopic end of the limiting cylinder 71 stretches horizontally along the radial direction of the upright post 2; the limiting bolt plate 72 is connected to the telescopic end of the limiting cylinder 71; the end of the limit bolt plate 72 close to the upright post 2 is the limit end; wherein, when the upper sealing assembly 6 seals the upper end of the upright post 2, the limit stud plate 72 is used to extend radially above the limit portion 611 along the upright post 2.

Specifically, when the upper end of the upright post 2 is closed by the upper sealing component 6, the telescopic end of the limiting cylinder 71 drives the limiting bolt plate 72 to approach the central direction of the upright post 2 along the radial direction of the upright post 2, so that the limiting bolt plate 72 abuts against the limiting part 611, and the limiting of the upper sealing component 6 is realized.

Referring to fig. 1, an exemplary frame 1 is provided with an annular sleeve 11 sleeved outside a column 2, and a limit bolt plate 72 is slidably connected to the annular sleeve 11 along the radial direction of the column 2; the limit stud plate 72 slides into the annular sleeve 11 along the radial direction of the upright post 2, and abuts against the limit portion 611.

By arranging the annular sleeve 11, the limit bolt plate 72 can conveniently slide in the annular sleeve 11, and the guide of the limit bolt plate 72 is realized; specifically, the annular sleeve 11 is provided with a plurality of guide grooves corresponding to the limit plug plates 72 one by one, and the limit plug plates 72 slide in the guide grooves; when the upper sealing assembly 6 moves down to close the upper end of the upright 2, one end of the limit stud plate 72 passes through the guide groove and abuts against the limit portion 611.

It will be appreciated that the upper compression assembly 5 drives the upper seal assembly 6 downwardly against the upper end of the upright 2, and that the upper seal assembly 6 is disposed within the annular sleeve 11. The upper end of the annular sleeve 11 extends upward and is higher than the upper end of the upright post 2, so that the limit stud plate 72 passes through the guide groove and abuts against the limit portion 611.

Referring to fig. 1, the limiting portion 611 is an annular plate extending horizontally along a radial direction of the upright 2, and the annular plate is disposed at a lower end of the upper seal assembly 6 and located at an outer periphery of the upright 2.

By providing the limiting portion 611 as an annular plate so that the limiting stopper plate 72 abuts on the annular plate, the upper gland 61 is uniformly stressed.

Specifically, the annular plate is provided at the lower end of the upper gland 61 of the upper seal assembly 6; it should be noted that, the upper sealing assembly 6 adopted in the present application not only includes the upper gland 61, but also includes structures such as a plug, a nut, and a sealing ring, for realizing the sealing of the upper end of the upright post 2.

Referring to fig. 1 and 2, in some possible embodiments, the upper pressing assembly 5 includes an upper pressing driving member 51, an upper pressing plate 52, and an upper pressing column 53; the upper pressure driving member 51 is fixed to the frame 1; the output end of the upper pressure driving member 51 has a degree of freedom to expand and contract vertically; the upper pressing plate 52 is fixed to the output end of the upper pressing driving member 51; the upper pressing column 53 is arranged above the upright post 2; the upper end of the upper pressing column 53 is penetrated in the upper pressing plate 52, and the lower end of the upper pressing column 53 is connected with the upper sealing component 6 to form an upper pressing end; wherein, the upper pressing driving member 51 drives the upper pressing plate 52 to move downward, so as to drive the upper pressing column 53 to seal the upper sealing assembly 6 at the upper end of the upright post 2 downward.

It should be understood that, in the present application, the output end of the upper pressing driving member 51 drives the upper pressing plate 52 to move downward, so that the upper pressing column 53 is pressed down on the upper sealing assembly 6 by the upper pressing plate 52, thereby driving the upper sealing assembly 6 to move downward, and sealing the upper end of the upright post 2 by the upper sealing assembly 6 is achieved.

Optionally, the upward-pressing driving member 51 is a driving cylinder, and a power output end of the driving cylinder is an output end of the upward-pressing driving member 51.

Referring to fig. 2, in some embodiments, the upper pressing post 53 is provided with an annular portion 531 protruding outward along a radial direction of the upper pressing post 53, and the annular portion 531 is disposed below the upper pressing plate 52; a first elastic member 54 is connected between the annular portion 531 and the upper platen 52, and the first elastic member 54 is sleeved on the outer peripheral wall of the upper platen 53.

Through setting up first elastic component 54 to cushion the holding down force of top board 52 to last pressure post 53, thereby make last pressure post 53 drive go up seal assembly 6 and push down to the upper end of stand 2 gradually from floating state, and then make and go up seal assembly 6 and the sealed face of stand 2 laminating more, improve sealing performance.

Referring to fig. 1 and 2, an infusion channel 532 penetrating up and down is provided in the upper pressure column 53, and the upper end of the upper seal assembly 6 extends into the infusion channel 532 upwards and abuts against the inner peripheral wall of the infusion channel 532; the infusion path 532 is used to deliver the loading solution formed after dissolution of the drug powder to the chromatograph.

The transfer of loading fluid is accomplished by providing an infusion channel 532 for delivering loading fluid to the chromatograph through the upper seal assembly 6, loading column and delivery line.

Referring to fig. 2 and 3, in some possible embodiments, a lower joint member 8 is penetrated in the lower sealing assembly 4, one end of the lower joint member 8 is communicated with the lower pressing assembly 3, and the other end is communicated with the accommodating cavity 21; the lower connector piece 8 is used for conveying a solvent into the accommodating cavity 21 so as to dissolve the medicinal powder and form a sample loading liquid; an upper joint piece 9 is arranged in the upper sealing component 6 in a penetrating way, one end of the upper joint piece 9 is communicated with the accommodating cavity 21, and the other end of the upper joint piece is communicated with the upper pressing component 5; the upper joint part 9 is used for conveying the sample liquid into the upper compression assembly 5.

By arranging the lower joint piece 8 so as to convey the solvent into the accommodating cavity 21, the solvent dissolves the cake-shaped medicinal powder, and then the sample loading liquid is formed; by providing the upper joint member 9, the loading liquid is conveyed into the upper compressing assembly 5, and then conveyed into the chromatograph through the loading column of the upper compressing assembly 5.

Referring to fig. 1, in some possible embodiments, the lower compression assembly 3 includes a lower end cap 31, a lower compression drive member, and a second resilient member 33; the lower end cover 31 is fixed on the frame 1 and is arranged below the upright post 2; the pressing driving piece is fixed on the frame 1; the power output end of the downward-pressing driving piece is a piston rod 32 which stretches up and down along the vertical direction, and the upper end of the piston rod 32 passes through the lower end cover 31 and stretches into the accommodating cavity 21 to be connected with the lower sealing component 4 so as to form a lower pressing end; the second elastic member 33 is sleeved on the piston rod 32 and is disposed between the top surface of the lower end cap 31 and the bottom surface of the upright post 2.

By arranging the lower end cover 31 to seal the lower end of the upright post 2, the piston rod 32 penetrates through the lower end cover 31 and stretches into the accommodating cavity 21, so that the piston rod 32 drives the lower sealing component 4 to press the powder upwards, and the powder is extruded into a cake column shape.

It should be understood that when the upper compressing assembly 5 drives the upper sealing assembly 6 to compress the upright post 2 downwards, the upright post 2 compresses the second elastic member 33 downwards to a designated position, the second elastic member 33 stores energy, and then the upper sealing assembly 6 is limited by the limiting assembly 7, so that the upper end and the lower end of the upright post 2 are sealed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. Be suitable for fashioned loading attachment of solid powder, its characterized in that includes:

the stand is provided with a stand column extending along the vertical direction, a containing cavity is arranged in the stand column, and the containing cavity is used for containing medicinal powder;

the lower pressing component is arranged on the stand and is connected below the upright post; the lower pressing component is provided with a lower pressing end which moves upwards along the vertical direction, and the lower pressing end is connected in the accommodating cavity in a sliding manner along the vertical direction;

the lower sealing assembly is arranged in the accommodating cavity and is connected with the lower pressing end; the lower sealing component is used for sealing the lower end of the accommodating cavity;

the upper pressing component is arranged on the stand and is arranged above the upright post; the upper pressing component is provided with an upper pressing end which moves up and down along the vertical direction to be close to or far away from the upper end of the upright post; and

the upper sealing assembly is arranged above the upright post and is connected with the upper pressing end; the lower end of the upper sealing assembly is sealed at the top of the accommodating cavity.

2. The loading device for solid powder molding as defined in claim 1, wherein a lower connector member is inserted into the lower sealing assembly, one end of the lower connector member is communicated with the lower pressing assembly, and the other end is communicated with the accommodating cavity; the lower joint piece is used for conveying a solvent into the accommodating cavity so as to dissolve the medicinal powder and form a sample loading liquid;

an upper joint piece is arranged in the upper sealing assembly in a penetrating way, one end of the upper joint piece is communicated with the accommodating cavity, and the other end of the upper joint piece is communicated with the upper pressing assembly; the upper joint piece is used for conveying the sample loading liquid into the upper pressing assembly.

3. The loading device for solid powder molding as defined in claim 1, wherein the upper sealing assembly is provided with a limiting part extending radially outwards along the upright, the frame is further provided with a limiting assembly, and the limiting assembly is provided with a limiting end extending radially outwards along the upright;

when the upper sealing assembly seals the upper end of the upright post, the limiting end is used for extending to the limiting part along the radial direction of the upright post so as to limit the upper sealing assembly.

4. A loading device adapted for solid powder forming as defined in claim 3, wherein the spacing assembly includes:

the limiting cylinder is arranged on one side of the upright post, and the telescopic end of the limiting cylinder horizontally stretches along the radial direction of the upright post;

the limiting bolt plate is connected to the telescopic end of the limiting cylinder; one end of the limiting bolt plate, which is close to the upright post, is the limiting end;

when the upper sealing assembly seals the upper end of the upright post, the limit bolt plate radially extends to the upper side of the limit part along the upright post.

5. The loading device for solid powder molding as defined in claim 4, wherein an annular sleeve sleeved outside the upright post is provided on the frame, and the limit plug plate is slidably connected to the annular sleeve along a radial direction of the upright post;

the limiting bolt plate slides into the annular sleeve along the radial direction of the upright post and is abutted to the limiting part.

6. A loading device for solid powder molding as defined in claim 5, wherein the limiting portion is an annular plate extending horizontally in a radial direction of the upright, and the annular plate is disposed at a lower end of the upper seal assembly and is disposed at a periphery of the upright.

7. A loading device adapted for solid powder forming as defined in claim 1, wherein the upper compression assembly includes:

the upper pressure driving piece is fixed on the frame; the output end of the upper pressure driving piece is provided with a degree of freedom which stretches up and down along the vertical direction;

the upper pressing plate is fixed at the output end of the upper pressing driving piece;

the upper pressing column is arranged above the upright column and penetrates through the upper pressing plate, and the lower end of the upper pressing column is connected with the upper sealing assembly to form the upper pressing end;

the upper pressing driving piece drives the upper pressing plate to move downwards, so that the upper pressing column is driven to seal the upper sealing assembly downwards at the upper end of the upright post.

8. The loading device for solid powder molding as defined in claim 7, wherein said upper pressing column is provided with an annular portion protruding outward in a radial direction of said upper pressing column, said annular portion being disposed below said upper pressing plate; a first elastic piece is connected between the annular part and the upper pressing plate, and the first elastic piece is sleeved on the peripheral wall of the upper pressing column.

9. The device for loading solid powder into a mold of claim 8, wherein the upper pressure column has a vertically extending infusion channel therein, and the upper end of the upper seal assembly extends upwardly into the infusion channel and abuts against the inner peripheral wall of the infusion channel; the infusion channel is used for conveying a sample loading liquid formed after the medicinal powder is dissolved to the chromatograph.

10. A loading device adapted for solid powder forming as defined in claim 1, wherein the lower compacting assembly includes:

the lower end cover is fixed on the frame and is arranged below the upright post;

the pressing driving piece is fixed on the frame; the power output end of the downward-pressing driving piece is a piston rod which stretches up and down along the vertical direction, and the upper end of the piston rod penetrates through the lower end cover and stretches into the accommodating cavity to be connected with the lower sealing assembly so as to form the lower pressing end; and

the second elastic piece is sleeved on the piston rod and is arranged between the top surface of the lower end cover and the bottom surface of the upright post.