CN217745825U - Large-scale automatic chromatographic column - Google Patents
Large-scale automatic chromatographic column Download PDFInfo
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- CN217745825U CN217745825U CN202221172917.6U CN202221172917U CN217745825U CN 217745825 U CN217745825 U CN 217745825U CN 202221172917 U CN202221172917 U CN 202221172917U CN 217745825 U CN217745825 U CN 217745825U
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Abstract
The utility model discloses a large-scale automatic chromatography column, aim at overcoming among the prior art atress and concentrate the problem that causes the column cap to deform easily, it includes the support frame, the column jacket, screen assembly, the column cap, the feed valve, the bleeder valve, a motor, commutator and spiral elevator, the column jacket is fixed to be set up on the support frame, screen assembly sets up the bottom at the column jacket, column cap slidable ground sets up in the column jacket, the feed valve sets up on the column cap, the bleeder valve sets up on screen assembly, the motor includes the spindle, the commutator includes first cross axle and second axis of ordinates, spindle transmission connects on first cross axle, spiral elevator includes the casing, worm and lead screw, the casing is fixed to be set up on the support frame, worm transmission connects on the second axis of ordinates, spiral elevator is two at least, the lead screw of spiral elevator more than two sets up respectively on the column cap.
Description
Technical Field
The utility model belongs to the biological purification technology, in particular to a large-scale automatic chromatographic column.
Background
In the field of biological applications, various separation and purification techniques are involved, and thus, chromatographic column devices used in separation and purification processes are involved. The chromatographic column device separates a separation fluid from a gel in a chromatographic column by a reaction such as molecular sieve or ion exchange according to the principle of chromatography.
The prior art discloses a chromatographic column device, which comprises a portal support, wherein a column tube is arranged in the portal support, a column head capable of moving up and down is arranged in the column tube, a screen assembly is arranged at the lower part of the column tube, an upper pneumatic spray head for adding filler is arranged on the column head, a lower pneumatic spray head for discharging the filler is arranged at the lower part of the screen assembly, an upper filler inlet, a chromatographic port and a cleaning port are respectively arranged at the upper part and the side surface of the upper pneumatic spray head, a driving mechanism is connected on the portal support and is used for driving the column head to move up and down in the column tube, and in order to improve the column efficiency of a chromatographic column, a filter screen on the column head needs to be attached to a rubber surface in the column tube as much as possible. In order to press the filtering net on the column head to the glue surface in the column tube as close as possible, a driving mechanism needs to apply a great load to the column head. For example, if the diameter of the column head is 300mm, the pressure applied to the column head in practical use is 2.1 tons. For another example, if the diameter of the column cap is 1000mm, the pressure on the column cap is up to 23.6 tons in practical use.
However, the prior art is not perfect, the driving device is arranged on the portal support and pushes the column head, the driving device is connected to the central position of the column head, and the pressure applied to the column head is concentrated on the central position of the column head, so that the problems of load concentration, easy deformation of the column head and the like are caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art and the existing problems, the utility model provides a large-scale automatic chromatographic column.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a large automated chromatography column comprising:
a support frame;
the column tube is fixedly arranged on the support frame;
a screen assembly disposed at the bottom of the column tube;
a column head slidably disposed within the column tube;
a feed valve disposed on the column head;
the discharge valve is arranged on the screen assembly;
an electric motor including a crankshaft;
the commutator comprises a first transverse shaft and a second longitudinal shaft, and the crankshaft is in transmission connection with the first transverse shaft;
the spiral lifters comprise a machine shell, worms and screw rods, the machine shell is fixedly arranged on the supporting frame, at least two spiral lifters are arranged, the worm shafts of more than two spiral lifters are connected to the second longitudinal shaft in a transmission mode, and the screw rods of more than two spiral lifters are arranged on the column heads respectively.
Preferably, the screws of the two or more screw elevators are uniformly wound around the geometric center of the upper surface of the column head.
Preferably, the ratio of the distance between the axis of the screw rod and the axis of the column head to the radius of the column head is 0.4-0.6.
Preferably, the commutator comprises a first commutator and two second commutators, the first commutator comprises a first transverse shaft and a first longitudinal shaft, the second commutator comprises a second transverse shaft and a second longitudinal shaft, the second transverse shafts of the two second commutators are in transmission connection with the first longitudinal shaft, and the worm gears of the more than two spiral elevators are in transmission connection with the second longitudinal shafts of the two second commutators.
Preferably, the first longitudinal shaft and the second transverse shaft are in transmission connection through a coupling, and the second longitudinal shaft and the worm are also in transmission connection through a coupling.
Preferably, the support frame comprises a base, a circular platform and two supporting rods, the two supporting rods are respectively and fixedly arranged on the base, the two supporting rods are also respectively and fixedly arranged on two sides of the circular platform, and the machine shells of more than two spiral elevators are uniformly and fixedly arranged on the outer side of the center of the circular platform.
Preferably, the circular platform is provided with a through hole, and the screw rod penetrates through the through hole.
Preferably, the support frame further comprises a retainer ring and at least four first pull rods, the retainer ring is fixedly arranged at one end of the column tube, the more than four first pull rods are respectively fixedly arranged on the retainer ring, and the more than four first pull rods are respectively and fixedly connected with the circular platform.
Preferably, the support frame further comprises at least four second pull rods, more than four second pull rods are respectively and fixedly arranged on the retaining rings, and more than four second pull rods are respectively and fixedly arranged on the base.
Preferably, a guide rod is fixedly arranged on the column head, a guide hole is formed in the circular platform, and the guide rod penetrates through the guide hole.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses in, the motor loops through the commutator, the together drive column cap of screw lift more than two slides on the column jacket, and two screw lifts set up respectively on the column head, and screw lift more than two plays the effect of dispersing thrust on the column cap, need not to improve the resistance to deformation ability of column cap through the mode that improves the material of column cap, consequently this large-scale automatic chromatography column has the advantage of avoiding the column cap to warp, the structure is retrencied and reliable operation.
Drawings
Fig. 1 is one of the three-dimensional structural diagrams of the present invention;
fig. 2 is a second schematic perspective view of the present invention;
fig. 3 is one of the schematic sectional structural diagrams of the present invention;
fig. 4 is a second schematic cross-sectional view of the present invention;
fig. 5 is a schematic diagram of the explosion structure of the present invention;
fig. 6 is a schematic structural view of the motor of the present invention;
fig. 7 is a schematic structural diagram of a first commutator of the present invention;
fig. 8 is a schematic structural view of a second commutator of the present invention;
fig. 9 is a schematic structural view of the screw lift of the present invention;
in the figure: 1-support frame, 2-column tube, 3-screen assembly, 4-column head, 5-feed valve, 6-discharge valve, 7-motor, 8-spiral elevator, 91-first reverser, 92-second reverser, 93-guide rod, 94-coupler, 11-base, 12-round platform, 13-support rod, 14-first pull rod, 15-retainer ring, 16-second pull rod, 71-machine shaft, 81-machine shell, 82-worm, 83-screw rod, 911-first transverse shaft, 912-first longitudinal shaft, 921-second transverse shaft, 922-second longitudinal shaft, 121-guide hole and 122-through hole.
Detailed Description
To facilitate understanding by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
In industrial production, chromatographic separation is generally performed using a large-sized column chromatography apparatus in order to improve production efficiency. Although large chromatographic column devices improve production efficiency, this also increases the load on the column heads. For example, if the column head diameter is 300mm, the pressure applied to the column head in actual use is 2.1 tons. For another example, if the diameter of the column cap is 1000mm, the pressure on the column cap is up to 23.6 tons in practical use.
The chromatographic column device in the prior art comprises a column head, a portal support and a driving device, wherein the driving device is connected between the column head and the portal support, and the connecting position of the driving device on the column head is positioned at the central position of the column head. In actual use, the driving device pushes the column head, and the pressure of the driving device on the column head is concentrated on the central position of the column head, so that the problems of load concentration, easy deformation of the column head and the like are caused, and the problem of column efficiency reduction and even equipment failure is further caused.
As shown in fig. 1 to 9, a large-sized automatic chromatography column, which is used for solving the above problems, comprises a support frame 1, a column tube 2, a screen assembly 3, a column head 4, a feed valve 5, a discharge valve 6, a motor 7, a commutator and a spiral elevator 8.
The support frame 1 refers to a main structure which plays a supporting role in the large-scale automatic chromatographic column.
The column tube 2 is fixedly arranged on the support frame 1. The column tube 2 refers to a container for chromatographic separation, and the whole structure of the container is a cylindrical barrel. The column tube 2 can be filled with a mixture to be separated, which comprises a filler and a fluid. The filler may be a gel or a glue or the like.
A screen assembly 3 is provided at the bottom of the column tube 2. The screen assembly 3 refers to a member for allowing fluid to pass and not allowing a packing to pass. In actual use, fluid in the column tube 2 can flow through the screen assembly 3 to achieve chromatographic separation.
The stud 4 is slidably disposed within the vial 2. The column tube 2 is vertical, and the sliding direction of the column head 4 on the column tube 2 is also vertical. If the column head 4 slides within the column tube 2, the column head 4 can move up or down. If the column head 4 moves upwards, the column head 4 moves away from the screen assembly 3. If the mast head 4 is moved downwards, the mast head 4 approaches the screen assembly 3.
The inlet valve 5 is arranged on the column head 4. In actual use, the feed valve 5 may be connected to a vessel from which the mixture is to be separated. If the feed valve 5 is open, the mixture to be separated can be passed into the column tube 2 via the feed valve 5. If the feed valve 5 is closed, the mixture to be separated is prevented from entering the column tube 2. The feed valve 5 thus serves to control the amount of mixture to be separated entering the column tube 2.
Specifically, the feed valve 5 is a solenoid valve, and the opening or closing of the feed valve 5 may be controlled by a controller.
A discharge valve 6 is provided on the screen assembly 3. The discharge valve 6 is a four-way valve. In actual use, fluid filtered by the filter screen can be discharged out of the column tube 2 through the discharge valve 6, and residual filler in the column tube 2 can also be discharged through the discharge valve 6.
Specifically, the discharge valve 6 is also a solenoid valve, and the controller may be used to control the opening or closing of the discharge valve 6.
The electric motor 7 comprises a crankshaft 71, and if the electric motor 7 is operated, the electric motor 7 converts electric energy into kinetic energy of the crankshaft 71.
Specifically, the controller may be used to control the operation of the motor 7.
The commutator comprises a first transverse shaft 911 and a second longitudinal shaft 922, the crankshaft 71 is in transmission connection with the first transverse shaft 911, and the first transverse shaft 911 and the second longitudinal shaft 922 are meshed together. In actual use, the shaft 71 rotates the second longitudinal shaft 922 through the first transverse shaft 911, so as to achieve the effect of changing the direction of the power output by the motor 7, so that the single motor 7 can provide power to the spiral elevator 8 at a plurality of positions.
The spiral elevator 8 comprises a machine shell 81, worms 82 and screw rods 83, the machine shell 81 is fixedly arranged on the support frame 1, at least two spiral elevators 8 are arranged, the worms 82 of more than two spiral elevators 8 are in transmission connection with a second longitudinal shaft 922, and the screw rods 83 of more than two spiral elevators 8 are respectively arranged on the column heads 4. The spiral lifters 8 can be two or three or four, etc.
The motor 7 can drive the screw rods 83 of two or more screw lifters 8 to lift together through a commutator.
Specifically, the number of the screw elevators 8 is four. In practical use, the motor 7 drives the column head 4 to slide on the column tube 2 sequentially through the commutator and the four spiral lifters 8, and the spiral lifters 8 play a role in reducing speed, so that the effect of pushing force on the column head 4 is amplified.
The utility model discloses in, motor 7 loops through the commutator, the simultaneous drive column cap 4 of spiral lift 8 more than two slides on column cap 2, and two spiral lift 8 set up respectively on column cap 4, and spiral lift 8 more than two play the effect of dispersing thrust on column cap 4, need not to improve the anti deformability of column cap 4 through the mode that improves column cap 4's materials, consequently this large-scale automatic chromatography column has the advantage of avoiding column cap 4 to warp, the structure is retrencied and reliable operation.
The screw rods 83 of the two or more screw lifters 8 are uniformly wound around the geometric center of the upper surface of the column head 4.
Wherein, the integral structure of the column cap 4 is a cylinder.
Specifically, the lead screws 83 of the four screw lifters 8 are uniformly wound around the geometric center of the upper surface of the column head. The four spiral lifters 8 enclose a square area, the center of which coincides with the geometric center of the upper surface of the stud 4.
The utility model discloses in, the even lead screw 83 that sets up in the 4 central outsides of column cap plays the effect of dispersing thrust on column cap 4 uniformly, and column cap 4 treats the pressure that the separation mixture was applyed more even in to column jacket 2, and consequently this large-scale automatic chromatography column has the advantage that the column effect is better and further avoid column cap 4 to warp.
The ratio of the distance between the axis of the screw rod 83 and the axis of the column head 4 to the radius of the column head 4 is between 0.4 and 0.6.
The distance between the axis of the screw 83 and the axis of the column head 4 also refers to the distance between the connecting position of the screw 83 on the column head 4 and the center of the column head 4.
Specifically, the ratio of the distance between the axis of the screw 83 and the axis of the column cap 4 to the radius of the column cap 4 is 0.5. If the lead screw 83 pushes the column cap 4, the pressure of the mixture to be separated at the axis of the column cap 4 is basically consistent with the pressure of the mixture to be separated at the edge of the column cap 4, and the stress uniformity of the column cap 4 at each position is further improved.
The reverser comprises a first reverser 91 and two second reversers 92, wherein the first reverser 91 comprises a first transverse shaft 911 and a first longitudinal shaft 912, the second reverser 92 comprises a second transverse shaft 921 and a second longitudinal shaft 922, the second transverse shafts 921 of the two second reversers 92 are in transmission connection with the first longitudinal shaft 912, and the worms 82 of more than four spiral elevators 8 are in transmission connection with the second longitudinal shafts 922 of the two second reversers 92.
Specifically, the second horizontal shafts 921 of the two second commutators 92 are drivingly connected to one end of the first vertical shaft 912, or may be drivingly connected to both ends of the first vertical shaft 91. In this embodiment, the motor 7 is drivingly connected to the first horizontal shaft 911, the second horizontal shafts 921 of the two second commutators 92 are drivingly connected to both ends of the first vertical shaft 912, and the worms 82 of the four spiral elevators 8 are drivingly connected to the ends of the second vertical shafts 922 of the two second commutators 92, so that the single motor 7 drives the lead screws 83 of the four spiral elevators 8 to drive the column head 4 together.
The first longitudinal shaft 912 and the second transverse shaft 921 are drivingly connected together by a coupling 94, and the second longitudinal shaft 922 and the worm 82 are also drivingly connected together by the coupling 94.
Specifically, the coupling 94 between the first longitudinal shaft 912 and the second transverse shaft 921 is fixedly disposed at one end of the first longitudinal shaft 912, and the coupling 94 is also fixedly disposed at one end of the second transverse shaft 921. A coupling 94 between the second longitudinal shaft 922 and the worm 82 is fixedly disposed at one end of the second longitudinal shaft 922, the coupling 94 also being fixedly disposed at one end of the worm 82.
Support frame 1 includes base 11, circular platform 12 and two branch 13, and two branch 13 are fixed respectively and are set up on base 11, and two branch 13 are still fixed respectively and are set up the both sides at circular platform 12, and the casing 81 of spiral lift 8 more than two sets up the outside at circular platform 12 center uniformly.
Wherein, the whole structure of the circular platform 12 is in a circular plate shape. The strut 13 serves as a support member between the base 11 and the circular platform 12.
Specifically, one end of the supporting rod 13 is fixedly arranged on the circular platform 12, and the other end of the supporting rod 13 is fixedly arranged on the base 11. The column tube 2 is arranged between the base 11 and the circular platform 12, and the column head is also arranged between the base 11 and the circular platform.
The mechanical strength of the support frame 1 is improved by adopting the structure of the base 11, the circular platform 12 and the two support rods 13, so that the supporting capacity of the support frame 1 on the large-scale automatic chromatographic column is improved.
The circular platform 12 is provided with a through hole 122, and the screw 83 penetrates through the through hole 122.
Specifically, the number of through holes 122 corresponds to the number of lead screws 83. The screw 83 is inserted into the corresponding through hole 122. A circular platform 12 is provided between the housing 81 and the screen assembly 3.
The support frame 1 further comprises a retainer ring 15 and at least four first pull rods 14, the retainer ring 15 is fixedly arranged at one end of the column tube 2, the more than four first pull rods 14 are respectively fixedly arranged on the retainer ring 15, and the more than four first pull rods 14 are further respectively fixedly connected with the circular platform 12.
Wherein, first pull rod 14 is fixed to be set up between retaining ring 15 and circular platform 12, and first pull rod 14 mainly bears the pulling force between retaining ring 15 and circular platform 12, has further improved the support capacity of this large-scale automatic chromatography column of support frame 1.
Specifically, four or more first tie rods 14 are uniformly arranged in the circumferential direction of the retainer ring 15.
The support frame 1 further comprises at least four second pull rods 16, wherein more than four second pull rods 16 are respectively and fixedly arranged on the retainer ring 15, and more than four second pull rods 16 are also respectively and fixedly arranged on the base 11.
Wherein, the second pull rod 16 is fixedly arranged between the retainer ring 15 and the base 11, and the second pull rod 16 mainly bears the pulling force between the retainer ring 15 and the base 11, thereby further improving the supporting capability of the support frame 1 on the large-scale automatic chromatographic column.
Specifically, four or more second tie rods 16 are uniformly arranged in the circumferential direction of the retainer ring 15.
The utility model discloses in, support frame 1 includes branch 13, first pull rod 14, second pull rod 16, and branch 13 is fixed to be set up between circular platform 12 and base 11, and first pull rod 14 is fixed to be set up between circular platform 12 and retaining ring 15, and second pull rod 16 is fixed to be set up between retaining ring 15 and base 11 to this large-scale automatic chromatography column receives load can disperse uniformly on whole support frame 1, and then has improved support frame 1's support ability.
The column head 4 is fixedly provided with a guide rod 93, the circular platform 12 is provided with a guide hole 121, and the guide rod 93 penetrates through the guide hole 121.
Wherein, the guide rod 93 is vertical, and the guide rod 93 is used for guiding the column head 4 to slide in the column tube 2, thereby improving the smoothness of the column head 4 sliding in the column tube 2.
Specifically, there are two guide rods 93 and two guide holes 121. The two guide rods 93 are respectively fixedly arranged on the column cap 4, one guide rod 93 is arranged through one guide hole 121, and the other guide rod 93 is arranged through the other guide hole 121.
The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A large automated chromatography column, comprising:
a support frame (1);
the column tube (2) is fixedly arranged on the support frame (1);
a screen assembly (3) disposed at the bottom of the column tube (2);
a column head (4) slidably disposed within the column tube (2);
a feed valve (5) arranged on the column head (4);
the discharge valve (6) is arranged on the screen assembly (3);
an electric motor (7) comprising a crankshaft (71);
the commutator comprises a first transverse shaft (911) and a second longitudinal shaft (922), and the crankshaft (71) is in transmission connection with the first transverse shaft (911);
spiral elevator (8), it includes casing (81), worm (82) and lead screw (83), on casing (81) fixed set up support frame (1), spiral elevator (8) are two at least, and worm (82) transmission of two or more spiral elevator (8) is connected on second axis of ordinates (922), and lead screw (83) of two or more spiral elevator (8) set up respectively on column cap (4).
2. A large automated chromatography column according to claim 1, characterized in that the screws (83) of more than two screw elevators (8) are evenly arranged around the geometric center of the upper surface of the column head (4).
3. A large automatic chromatography column according to claim 1 or 2, characterized in that the ratio of the distance between the axis of the screw (83) and the axis of the column head (4) to the radius of the column head (4) is between 0.4 and 0.6.
4. A large automatic chromatography column according to claim 1, characterized in that the diverter comprises a first diverter (91) and two second diverters (92), the first diverter (91) comprises a first transverse axis (911) and a first longitudinal axis (912), the second diverter (92) comprises a second transverse axis (921) and a second longitudinal axis (922), the second transverse axes (921) of the two second diverters (92) are drivingly connected to the first longitudinal axis (912), and the worms (82) of the two or more spiral elevators (8) are drivingly connected to the second longitudinal axes (922) of the two second diverters (92).
5. A large automatic chromatography column according to claim 4, characterized in that the first longitudinal axis (912) and the second transverse axis (921) are drivingly connected together by a coupling (94), and the second longitudinal axis (922) and the worm (82) are drivingly connected together by a coupling (94).
6. The large-scale automatic chromatography column according to claim 1, wherein the support frame (1) comprises a base (11), a circular platform (12) and two support rods (13), the two support rods (13) are respectively fixedly arranged on the base (11), the two support rods (13) are also respectively fixedly arranged on two sides of the circular platform (12), and the casings (81) of more than two spiral lifters (8) are uniformly and fixedly arranged outside the center of the circular platform (12).
7. The large-scale automatic chromatography column according to claim 6, wherein the circular platform (12) is provided with a through hole (122), and the screw rod (83) is arranged in the through hole (122) in a penetrating manner.
8. The large-scale automatic chromatography column according to claim 6, wherein the support frame (1) further comprises a retainer ring (15) and at least four first pull rods (14), the retainer ring (15) is fixedly arranged at one end of the column tube (2), the more than four first pull rods (14) are respectively fixedly arranged on the retainer ring (15), and the more than four first pull rods (14) are respectively and fixedly connected with the circular platform (12).
9. The large-scale automatic chromatography column according to claim 8, wherein the support frame (1) further comprises at least four second pull rods (16), wherein the four or more second pull rods (16) are respectively and fixedly arranged on the retainer ring (15), and the four or more second pull rods (16) are respectively and fixedly arranged on the base (11).
10. The large-scale automatic chromatography column according to claim 6, 7, 8 or 9, wherein the column head (4) is fixedly provided with a guide rod (93), the circular platform (12) is provided with a guide hole (121), and the guide rod (93) is arranged in the guide hole (121) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221172917.6U CN217745825U (en) | 2022-05-13 | 2022-05-13 | Large-scale automatic chromatographic column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221172917.6U CN217745825U (en) | 2022-05-13 | 2022-05-13 | Large-scale automatic chromatographic column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217745825U true CN217745825U (en) | 2022-11-08 |
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ID=83885630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221172917.6U Active CN217745825U (en) | 2022-05-13 | 2022-05-13 | Large-scale automatic chromatographic column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217745825U (en) |
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2022
- 2022-05-13 CN CN202221172917.6U patent/CN217745825U/en active Active
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