CN220073816U - Solid phase extraction post assembly machine - Google Patents

Abstract

The utility model relates to the technical field of chemical machinery, in particular to a solid-phase extraction column assembly machine, which does not need to stop the operation of a filling mechanism in the process of disassembling and installing a needle cylinder, ensures the continuity of filling, reduces the downtime of the assembly machine and improves the working efficiency; the device comprises a bottom plate and a support column, wherein the support column is fixedly arranged at the upper end of the bottom plate; still include extension board, filling mechanism, rotary mechanism and two sets of fixture, filling mechanism installs on the pillar, and filling mechanism has the function of filling, and the extension board passes through rotary mechanism to be installed on the bottom plate, and rotary mechanism is used for rotatory extension board, and two sets of fixture are installed respectively in the left and right sides of extension board, and fixture has the fixed function of centre gripping, and left fixture is located filling mechanism's below.

Description

Solid phase extraction post assembly machine

Technical Field

The utility model relates to the technical field of chemical machinery, in particular to a solid-phase extraction column assembly machine.

Background

The solid phase extraction column is a sample pretreatment device for extraction, separation and concentration, which is developed from a chromatographic column and has wide application in various fields of foods, pharmacy and biological sample detection lamps. At present, most common solid-phase extraction columns are injection needle cylinder devices which take polypropylene as a material, the upper end and the lower end of a needle cylinder are both provided with openings, and the inside of the needle cylinder is provided with a filler; when the liquid to be extracted is used, the liquid to be extracted is added into the needle cylinder through the upper part of the needle cylinder, then the liquid is adsorbed by the filler when passing through the filler, and then the liquid adsorbed by the filler is discharged through the opening at the lower part of the needle cylinder and is collected. The solid phase extraction column is produced by filling the packing into a needle cylinder by using an assembling machine.

As in the prior art, the solid-phase extraction column assembly machine with the patent application number of "20160237328. X" mainly comprises a group of turntables and a packing filling mechanism, wherein the turntables are provided with a plurality of clamping pieces for clamping the needle cylinder, when in use, the needle cylinder on the turntables is rotated below the filling mechanism, then the packing is filled in the needle cylinder on the turntables through the filling mechanism, then after the needle cylinder filled with the packing is taken down on the turntables, a new needle cylinder is clamped and fixed through a clamping device on the turntables, and then the packing is filled in the new needle cylinder through the packing filling mechanism; the solid-phase extraction column assembling machine is required to be stopped to be filled by workers in the process of disassembling and installing the needle cylinder, and when the solid-phase extraction columns are assembled in a large scale, the assembling machine can be stopped for too long in the process of disassembling and installing the needle cylinder, the continuity is poor, and the working efficiency is low.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the solid-phase extraction column assembly machine which does not need to stop the filling mechanism in the process of disassembling and installing the needle cylinder, ensures the filling continuity, reduces the downtime of the assembly machine and has high working efficiency.

The solid phase extraction column assembly machine comprises a bottom plate and a support column, wherein the support column is fixedly arranged at the upper end of the bottom plate; the device comprises a support plate, a filling mechanism, a rotating mechanism and two groups of clamping mechanisms, wherein the filling mechanism is arranged on a support column, the filling mechanism has a filling function, the support plate is arranged on a bottom plate through the rotating mechanism, the rotating mechanism is used for rotating the support plate, the two groups of clamping mechanisms are respectively arranged at the left part and the right part of the support plate, the clamping mechanisms have the function of clamping and fixing, and the left clamping mechanism is positioned below the filling mechanism; when the solid-phase extraction column is assembled, the needle cylinder on the extraction column is clamped and fixed through two groups of clamping mechanisms on the support plate, then the needle cylinder on the left clamping mechanism is filled with filler through the filling mechanism, after the needle cylinder on the left clamping mechanism is filled, the rotating device is opened to enable the support plate to rotate, the needle cylinder with the filler filled on the left clamping mechanism of the support plate is enabled to rotate to the right part of the support plate, the clamping mechanism on the right part of the support plate and the empty needle cylinder are enabled to rotate to the left part of the support plate, then the filler is filled into the empty needle cylinder on the left part of the support plate through the filling mechanism, meanwhile, a worker clamps a new needle cylinder after the needle cylinder with the filler on the right clamping mechanism of the support plate is disassembled, and the work is repeated in a circulating mode; the filling mechanism does not need to stop working in the process of disassembling and installing the needle cylinder, so that the filling continuity is ensured, the downtime of the assembly machine is reduced, and the working efficiency is improved.

Preferably, the clamping mechanism comprises a disc, a plurality of groups of rubber sleeves, a supporting shaft, a stepping motor and a supporting frame, wherein a plurality of groups of through holes are formed in the circumference of the disc, the plurality of groups of rubber sleeves are respectively fixedly adhered in the plurality of groups of through holes of the disc, the plurality of groups of rubber sleeves are elastic, the supporting shaft is fixedly arranged at the lower end of the disc, the supporting shaft is rotatably arranged on the supporting frame, the supporting frame is fixedly arranged on a supporting plate, the lower end of the supporting shaft is connected with the output end of the stepping motor, and the stepping motor is fixedly arranged on the supporting plate; when the needle cylinder is clamped, a plurality of needle cylinders are respectively inserted into rubber sleeves of a plurality of through holes on a disc, the needle cylinder is clamped and fixed through the elasticity of the rubber sleeves, then a stepping motor is started, the stepping motor drives the disc to rotate through a supporting shaft, the disc drives the needle cylinder to rotate through the rubber sleeves, when the needle cylinder rotates to the lower part of a filling mechanism, the filling mechanism loads filler into the needle cylinder in the rubber sleeve, then the stepping motor drives the supporting shaft to continuously rotate, the supporting shaft drives the disc to rotate, and the upper needle cylinder and the lower needle cylinder of the disc rotate to the lower part of the filling mechanism to continuously finish filling; the clamping and fixing of the needle cylinder are facilitated.

Preferably, the filling mechanism comprises a pneumatic diaphragm pump, a conveying pipe, a discharging funnel, a connecting plate, an electric push rod and a fixing plate, wherein the fixing plate is fixedly arranged on a support column, the pneumatic diaphragm pump is fixedly arranged on the fixing plate, the input end of the pneumatic diaphragm pump is connected with the conveying pipe, the output end of the pneumatic diaphragm pump is connected with the upper end of the discharging pipe, the discharging pipe is fixedly arranged on the fixing plate, the discharging pipe is vertically and slidably arranged on the discharging pipe, the discharging pipe is communicated with the discharging pipe, the discharging funnel is arranged at the lower part of the discharging pipe, an electromagnetic valve is arranged on the discharging pipe, the discharging pipe is fixedly arranged on the connecting plate, the discharging funnel is positioned above a disc, the connecting plate is fixedly arranged at the moving end of the electric push rod, and the fixing end of the electric push rod is fixedly arranged on the fixing plate; the input end of the conveying pipe is connected with the filler storage cylinder, when the needle cylinder rotates to the lower part of the discharging funnel, the electric push rod is opened, the electric push rod enables the discharging pipe to descend through the connecting plate, the discharging pipe drives the discharging funnel to descend to an opening of the discharging funnel close to the upper end of the needle cylinder, then the pneumatic diaphragm pump is opened, the flow of filler is controlled through the pneumatic diaphragm pump, the filler is enabled to enter the needle cylinder through the conveying pipe, the pneumatic diaphragm pump, the discharging pipe and the discharging funnel in sequence at a certain flow, and meanwhile the total volume of the filler in the discharging pipe can be controlled through controlling the opening and closing time of the electromagnetic valve on the discharging pipe, so that the filler is conveniently filled.

Preferably, the rotating mechanism comprises a rotating shaft, a bevel gear A, a bevel gear B, a driving shaft, a supporting block and a servo motor, wherein the rotating shaft is fixedly arranged at the lower end of the supporting plate, the rotating shaft is rotatably arranged on the bottom plate, the bevel gear A is fixedly arranged on the rotating shaft, the bevel gear A is meshed with the bevel gear B, the bevel gear B is fixedly arranged on the driving shaft, the driving shaft is rotatably arranged on the supporting block, the supporting block is fixedly arranged on the bottom plate, the right end of the driving shaft is connected with the output end of the servo motor, and the servo motor is fixedly arranged on the bottom plate; when the support plate rotates, the servo motor is turned on, the servo motor drives the driving shaft to rotate, the driving shaft drives the bevel gear A to drive the rotating shaft to rotate through the bevel gear B, and the rotating shaft drives the support plate to rotate; the support plate is convenient to rotate.

Preferably, the two groups of clamping mechanisms use the axis of the rotating shaft as a central line, and are bilaterally symmetrical.

Preferably, the servo motor and the stepping motor have an angle self-locking function.

Preferably, the bottom plate is provided with an illuminating lamp; through the arrangement, the monitoring of the filling process is facilitated, and convenience is improved.

Compared with the prior art, the utility model has the beneficial effects that: the filling mechanism does not need to stop working in the process of disassembling and installing the needle cylinder, so that the filling continuity is ensured, the downtime of the assembly machine is reduced, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic structural view of a clamping mechanism;

fig. 3 is a schematic structural view of the support plate, the rotating shaft, the bevel gear a, etc.;

FIG. 4 is a schematic view of the structure of the discharge pipe, the connecting plate, etc.;

FIG. 5 is a schematic diagram of the structure of the front view of the present utility model;

the reference numerals in the drawings: 1. a bottom plate; 2. a support post; 3. a support plate; 4. a disc; 5. a rubber sleeve; 6. a support shaft; 7. a stepping motor; 8. a support frame; 9. a pneumatic diaphragm pump; 10. a material conveying pipe; 11. a discharge pipe; 12. a discharge pipe; 13. a discharge hopper; 14. a connecting plate; 15. an electric push rod; 16. a fixing plate; 17. a rotating shaft; 18. bevel gears A; 19. bevel gear B; 20. a drive shaft; 21. a support block; 22. a servo motor.

Description of the embodiments

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 5, the solid phase extraction column assembly machine of the present utility model comprises a bottom plate 1, a support column 2, a support plate 3, a loading mechanism, a rotating mechanism and two groups of clamping mechanisms, wherein the support column 2 is fixedly installed at the upper end of the bottom plate 1, the loading mechanism is installed on the support column 2, the loading mechanism has a loading function, the support plate 3 is installed on the bottom plate 1 through the rotating mechanism, the rotating mechanism is used for rotating the support plate 3, the two groups of clamping mechanisms are respectively installed at the left and right parts of the support plate 3, the clamping mechanisms have the function of clamping and fixing, and the left clamping mechanism is positioned below the loading mechanism;

when the solid-phase extraction column is assembled, the needle cylinder on the extraction column is clamped and fixed through two groups of clamping mechanisms on the support plate 3, then the needle cylinder on the left clamping mechanism is filled with filler through the filling mechanism, after the needle cylinder on the left clamping mechanism is filled, the rotating device is opened, the support plate 3 is rotated, the needle cylinder with the filler filled on the left clamping mechanism of the support plate 3 is rotated to the right part of the support plate 3, the clamping mechanism on the right part of the support plate 3 and the empty needle cylinder are rotated to the left part of the support plate 3, then the filler is filled into the empty needle cylinder on the left part of the support plate 3 through the filling mechanism, and meanwhile, a worker removes the needle cylinder with the filler filled on the right clamping mechanism of the support plate 3, and then clamps a new needle cylinder, so the operation is repeated; the filling mechanism does not need to stop working in the process of disassembling and installing the needle cylinder, so that the filling continuity is ensured, the downtime of the assembly machine is reduced, and the working efficiency is improved.

As shown in fig. 2, the clamping mechanism comprises a disc 4, a plurality of groups of rubber sleeves 5, a supporting shaft 6, a stepping motor 7 and a supporting frame 8, wherein a plurality of groups of through holes are formed in the circumference of the disc 4, the plurality of groups of rubber sleeves 5 are respectively fixedly adhered in the plurality of groups of through holes of the disc 4, the plurality of groups of rubber sleeves 5 are elastic, the supporting shaft 6 is fixedly arranged at the lower end of the disc 4, the supporting shaft 6 is rotatably arranged on the supporting frame 8, the supporting frame 8 is fixedly arranged on the supporting plate 3, the lower end of the supporting shaft 6 is connected with the output end of the stepping motor 7, and the stepping motor 7 is fixedly arranged on the supporting plate 3;

when the needle cylinder is clamped, a plurality of needle cylinders are respectively inserted into the rubber sleeve 5 with a plurality of through holes on the disc 4, the needle cylinder is clamped and fixed through the elasticity of the rubber sleeve 5, then the stepping motor 7 is opened, the stepping motor 7 drives the disc 4 to rotate through the supporting shaft 6, the disc 4 drives the needle cylinder to rotate through the rubber sleeve 5, when the needle cylinder rotates to the lower part of the filling mechanism, the filling mechanism loads the filling material into the needle cylinder in the rubber sleeve 5, then the stepping motor 7 drives the supporting shaft 6 to continuously rotate, and the supporting shaft 6 drives the disc 4 to rotate, so that the next needle cylinder on the disc 4 rotates to the lower part of the filling mechanism to continuously finish filling; the needle cylinder is conveniently clamped and fixed, and the two groups of clamping mechanisms are symmetrical left and right by taking the axis of the rotating shaft 17 as a central line.

As shown in fig. 3, the rotating mechanism comprises a rotating shaft 17, a bevel gear a18, a bevel gear B19, a driving shaft 20, a supporting block 21 and a servo motor 22, wherein the rotating shaft 17 is fixedly arranged at the lower end of the support plate 3, the rotating shaft 17 is rotatably arranged on the bottom plate 1, the bevel gear a18 is fixedly arranged on the rotating shaft 17, the bevel gear a18 is meshed with the bevel gear B19, the bevel gear B19 is fixedly arranged on the driving shaft 20, the driving shaft 20 is rotatably arranged on the supporting block 21, the supporting block 21 is fixedly arranged on the bottom plate 1, the right end of the driving shaft 20 is connected with the output end of the servo motor 22, and the servo motor 22 is fixedly arranged on the bottom plate 1;

when the support plate 3 rotates, the servo motor 22 is turned on, the servo motor 22 drives the driving shaft 20 to rotate, the driving shaft 20 drives the bevel gear A18 to drive the rotating shaft 17 to rotate through the bevel gear B19, and the rotating shaft 17 drives the support plate 3 to rotate; the support plate 3 is convenient to rotate.

As shown in fig. 1 and 4, the filling mechanism comprises a pneumatic diaphragm pump 9, a conveying pipe 10, a discharging pipe 11, a discharging pipe 12, a discharging funnel 13, a connecting plate 14, an electric push rod 15 and a fixed plate 16, wherein the fixed plate 16 is fixedly arranged on a support column 2, the pneumatic diaphragm pump 9 is fixedly arranged on the fixed plate 16, the input end of the pneumatic diaphragm pump 9 is connected with the conveying pipe 10, the output end of the pneumatic diaphragm pump 9 is connected with the upper end of the discharging pipe 11, the discharging pipe 11 is fixedly arranged on the fixed plate 16, the discharging pipe 12 is vertically and slidably arranged on the discharging pipe 11, the discharging pipe 12 is communicated with the discharging pipe 11, the discharging funnel 13 is arranged at the lower part of the discharging pipe 12, an electromagnetic valve is arranged on the discharging pipe 12, the discharging pipe 12 is fixedly arranged on the connecting plate 14, the discharging funnel 13 is positioned above a disc 4, the connecting plate 14 is fixedly arranged at the moving end of the electric push rod 15, the fixed end of the electric push rod 15 is fixedly arranged on the fixed plate 16, and the servo motor 22 and the stepping motor 7 have self-locking angle functions;

when the needle cylinder rotates to the lower part of the discharge hopper 13, the electric push rod 15 is opened, the electric push rod 15 enables the discharge pipe 12 to descend through the connecting plate 14, the discharge pipe 12 drives the discharge hopper 13 to descend until the discharge hopper 13 is close to an opening at the upper end of the needle cylinder, then the pneumatic diaphragm pump 9 is opened, the flow of the filler is controlled through the pneumatic diaphragm pump 9, the filler is enabled to enter the needle cylinder through the feed pipe 10, the pneumatic diaphragm pump 9, the discharge pipe 11, the discharge pipe 12 and the discharge hopper 13 in sequence at a certain flow, and meanwhile the total volume of the filler in the discharge pipe 12 can be controlled through controlling the opening and closing time of the electromagnetic valve on the discharge pipe 12, so that the filler is conveniently filled.

Examples

On the basis of embodiment 1, the rotating mechanism adopts an electric turntable, the electric turntable is arranged on the bottom plate 1, the support plate 3 is arranged at the rotating end of the electric turntable, and the support plate 3 can be rotated through the electric turntable.

The rubber sleeve 5, the stepping motor 7, the pneumatic diaphragm pump 9, the discharge hopper 13, the electric push rod 15 and the servo motor 22 of the solid-phase extraction column assembly machine are all purchased in the market, and a person skilled in the art only needs to install and operate according to the attached use instruction without creative labor of the person skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The solid phase extraction column assembly machine comprises a bottom plate (1) and a support column (2), wherein the support column (2) is fixedly arranged at the upper end of the bottom plate (1); the device is characterized by further comprising a support plate (3), a filling mechanism, a rotating mechanism and two groups of clamping mechanisms, wherein the filling mechanism is arranged on the support column (2) and has a filling function, the support plate (3) is arranged on the bottom plate (1) through the rotating mechanism, the rotating mechanism is used for rotating the support plate (3), the two groups of clamping mechanisms are respectively arranged at the left part and the right part of the support plate (3), the clamping mechanisms have the function of clamping and fixing, and the left clamping mechanism is positioned below the filling mechanism.

2. The solid phase extraction column assembly machine according to claim 1, wherein the clamping mechanism comprises a disc (4), a plurality of groups of rubber sleeves (5), a supporting shaft (6), a stepping motor (7) and a supporting frame (8), a plurality of groups of through holes are formed in the circumference of the disc (4), the plurality of groups of rubber sleeves (5) are respectively fixedly adhered to the plurality of groups of through holes of the disc (4), the plurality of groups of rubber sleeves (5) are elastic, the supporting shaft (6) is fixedly installed at the lower end of the disc (4), the supporting shaft (6) is rotatably installed on the supporting frame (8), the supporting frame (8) is fixedly installed on the supporting plate (3), the lower end of the supporting shaft (6) is connected with the output end of the stepping motor (7), and the stepping motor (7) is fixedly installed on the supporting plate (3).

3. The solid-phase extraction column assembly machine according to claim 1, wherein the filling mechanism comprises a pneumatic diaphragm pump (9), a conveying pipe (10), a discharging pipe (11), a discharging pipe (12), a discharging funnel (13), a connecting plate (14), an electric push rod (15) and a fixing plate (16), the fixing plate (16) is fixedly arranged on a support column (2), the pneumatic diaphragm pump (9) is fixedly arranged on the fixing plate (16), an input end of the pneumatic diaphragm pump (9) is connected with the conveying pipe (10), an output end of the pneumatic diaphragm pump (9) is connected with an upper end of the discharging pipe (11), the discharging pipe (11) is fixedly arranged on the fixing plate (16), the discharging pipe (12) is vertically and slidably arranged on the discharging pipe (11), the discharging pipe (12) is communicated with the discharging pipe (11), the discharging funnel (13) is arranged at the lower part of the discharging pipe (12), an electromagnetic valve is arranged on the discharging pipe (12), the discharging funnel (12) is fixedly arranged on the connecting plate (14), the discharging pipe (13) is arranged above the disc (4), the electric push rod (14) is fixedly arranged at the upper end of the electric push rod (15), and the electric push rod (15) is fixedly arranged at the upper end of the discharging pipe (16).

4. The solid phase extraction column assembly machine according to claim 1, wherein the rotating mechanism comprises a rotating shaft (17), a bevel gear A (18), a bevel gear B (19), a driving shaft (20), a supporting block (21) and a servo motor (22), wherein the rotating shaft (17) is fixedly arranged at the lower end of the support plate (3), the rotating shaft (17) is rotatably arranged on the bottom plate (1), the bevel gear A (18) is fixedly arranged on the rotating shaft (17), the bevel gear A (18) is meshed with the bevel gear B (19), the bevel gear B (19) is fixedly arranged on the driving shaft (20), the driving shaft (20) is rotatably arranged on the supporting block (21), the supporting block (21) is fixedly arranged on the bottom plate (1), and the right end of the driving shaft (20) is connected with the output end of the servo motor (22), and the servo motor (22) is fixedly arranged on the bottom plate (1).

5. A solid phase extraction column assembly machine according to claim 4, wherein the two sets of clamping mechanisms are bilaterally symmetrical about the axis of the rotating shaft (17) as a center line.

6. The solid phase extraction column assembly machine according to claim 4, wherein the servo motor (22) and the stepper motor (7) have an angle self-locking function.

7. A solid phase extraction column assembly machine according to claim 1, characterized in that the base plate (1) is provided with an illumination lamp.