CN220003798U

CN220003798U - Magnetic stirring device

Info

Publication number: CN220003798U
Application number: CN202321201397.1U
Authority: CN
Inventors: 王翠
Original assignee: Century Senlang Tianjin Intelligent Equipment Co ltd
Current assignee: Century Senlang Tianjin Intelligent Equipment Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-11-14
Anticipated expiration: 2033-05-17

Abstract

The utility model relates to a magnetic stirring device, and relates to the technical field of stirring devices, which comprises a mounting assembly, a reaction assembly, a magnetic assembly and a driving assembly, wherein the reaction assembly comprises a reaction kettle arranged on the mounting assembly, the magnetic assembly comprises a guide magnet and a stirring magnet, the guide magnet is arranged outside the reaction kettle, the stirring magnet is arranged inside the reaction kettle and corresponds to the guide magnet, the driving assembly comprises a guide and a connecting block, the guide is arranged on the mounting assembly and can drive the connecting block to move up and down, and the guide magnet is fixedly connected on the connecting block. The stirring magnet is driven to do linear motion in the stirring process, the stirring force of the stirring magnet which is impacted up and down is high, and hydrate particles can be effectively crushed and uniformly mixed after the viscosity of a reaction system is increased in the reaction process.

Description

Magnetic stirring device

Technical Field

The utility model relates to the technical field of stirring devices, in particular to a magnetic stirring device.

Background

The magnetic stirring device is a laboratory instrument commonly used for mixing reactants, can uniformly distribute the stirred materials and equalize the temperature, can fully contact different stirred reactants, and is often applied to experiments with strict experimental environments due to good sealing performance and difficult polluted internal environments.

In the related art, a core stirring element of the magnetic stirring device is usually a stirring paddle or a magnetic stirrer, the stirring paddle or the magnetic stirrer is driven to rotate by continuously changing the magnetic pole position of the magnetic base by utilizing the homopolar repulsion characteristic of magnetic substances, and then the reactant is driven to rotate by the rotation of the stirring paddle or the magnetic stirrer, so that the sample is in a uniformly mixed state.

In the above-mentioned related art, these stirring forms cannot effectively pulverize and mix hydrate particles after the viscosity of the reactant system increases during the reaction.

Disclosure of Invention

In order to improve the situation that the hydrate particles cannot be effectively crushed and uniformly mixed in the stirring mode after the viscosity of a reaction system increases in the reaction process, the utility model provides a magnetic stirring device.

The utility model provides a technical scheme as follows:

the utility model provides a magnetic stirring device, including installation component, reaction unit, magnetic component and drive assembly, reaction unit is including setting up the reation kettle on installation component, and magnetic component includes guide magnet and stirring magneton, and guide magnet is arranged in the reation kettle outside, and stirring magneton is arranged in inside the reation kettle and is corresponding with guide magnet, and drive assembly includes director and connecting block, and the director is installed on installation unit and can drive the connecting block and reciprocate, and guide magnet fixed connection is on the connecting block.

Through adopting above-mentioned technical scheme, drive assembly drives guide magnet along straight line up-and-down motion, because of the magnetic field effect, stirring magneton in the reation kettle is driven and is rectilinear motion, and stirring magneton stirring dynamics of upper and lower impact is big, after the increase of reaction system viscosity in the reaction process, can effectively smash the hydrate granule and mix, can strengthen the contact that gas-liquid mixes simultaneously.

Optionally, the installation assembly comprises an installation cover and a base, the installation cover is fixedly arranged above the base, and the reaction kettle is vertically arranged between the installation cover and the base; the upper end and the lower extreme of reation kettle all are equipped with sealed lid, and the upper and lower both sides of the sealed lid that is located reation kettle upper end are respectively with the bottom surface of installation lid and reation kettle's up end mutually and lean on, and the upper and lower both sides of the sealed lid that is located reation kettle lower extreme are respectively with the lower terminal surface of reation kettle and the up end of base mutually lean on, are equipped with the opening on the sealed lid, and the opening inner wall is with first sealing member.

By adopting the technical scheme, the tightness of the inside of the reaction kettle can be improved, the internal environment and the external environment of the reaction kettle are not connected in the stirring process, and the purpose of no pollution in the stirring process is achieved.

Optionally, the reaction assembly further comprises a piston, the piston is located inside the reaction kettle, a second sealing piece is arranged on the side wall of the piston, and the outer peripheral surface of the second sealing piece is attached to the inner wall of the reaction kettle.

Through adopting above-mentioned technical scheme, can adjust reation kettle internal pressure through the change of piston position, guarantee the leakproofness of reation kettle bottom simultaneously.

Optionally, the inside of the installation cover is also provided with an air inlet channel, an air exhaust channel and a detection channel respectively, and the air inlet channel, the air exhaust channel and the detection channel penetrate through the installation cover and are communicated with the inside of the reaction kettle through an opening on the sealing cover.

By adopting the technical scheme, the gas can be filled and discharged into the reaction kettle, the detection element can be installed and the like on the premise of ensuring the tightness.

Optionally, a first guide channel is formed in the mounting cover, a second guide channel is formed in the base, the first guide channel penetrates through the mounting cover, and the second guide channel penetrates through the base; the guide comprises a guide rod, and the upper end and the lower end of the guide rod respectively slide through the first guide channel and the second guide channel.

By adopting the technical scheme, the guide magnet can be limited to move only along the direction limited by the first guide channel and the second guide channel by installing the guide device into the guide channel.

Optionally, the mounting assembly further includes a strut, one end of the strut is detachably connected to the base, and the other end of the strut is detachably connected to the mounting cover.

Through adopting above-mentioned technical scheme, branch can play the effect of bearing, and the passageway between branch and the reation kettle outer wall can restrict the rotation of guide magnet simultaneously.

Optionally, the connecting block is equipped with the first through-hole that link up from top to bottom, has seted up the second through-hole on the side of connecting block, and second through-hole and first through-hole intercommunication, peg graft in the second through-hole have the fastener, and the bottom surface of fastener is used for connecting block and guide bar fixed connection with the lateral wall butt of guide bar.

Through adopting above-mentioned technical scheme, can be with guide bar and connecting block fixed connection, make the connecting block can follow the motion of guide bar and move.

Optionally, the guide bar is equipped with the connection plane on the lateral wall, and the bottom surface and the connection plane butt of fastener are used for with connecting block and guide bar fixed connection.

Through adopting above-mentioned technical scheme, can make the connection between guide bar and the connecting block more stable firm, reduce the guide bar because of the connection is infirm and take place relative rotation or slip with the connecting block in the motion process, lead to the risk that transmission efficiency reduces.

Optionally, the guide device further comprises a guide rail and a sliding block, wherein the guide rail is vertically fixed on the base, one end of the sliding block is slidably connected to the guide rail, and the other end of the sliding block is fixedly connected with the connecting block.

Through adopting above-mentioned technical scheme, can further restrict the position and the direction of motion of connecting block, make the connecting block drive guide magnet and move in the guide rail direction, make the motion more stable, reduce guide magnet and rock in the motion process.

Optionally, the guiding magnet is a horseshoe magnet, and the stirring magnet is a circular ring magnet.

By adopting the technical scheme, the stirring magnet can move more stably.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through setting up guide magnet, stirring magneton and drive assembly for stirring magneton is rectilinear motion at stirring in-process, and stirring magneton stirring dynamics of upper and lower impact is big, after reaction system viscosity increases in the reaction process, can effectively smash the hydrate granule and mix, can strengthen the contact that gas-liquid mixes simultaneously.

2. Through setting up piston and second sealing member, can make the pressure in the reation kettle adjustable, guarantee the inside leakproofness of reation kettle simultaneously in the adjustment process.

3. Through setting up sealed lid and first sealing member, can seal the installation department of reation kettle, guarantee the inside leakproofness of reation kettle, make inside and the outside of reation kettle have not contacted in the stirring process, reach the pollution-free purpose of stirring process.

4. Through setting up connection plane, slider and the guide rail on first direction passageway, second direction passageway, guide bar and the guide bar, can guarantee that guide magnet moves along the direction that first direction passageway and second direction passageway prescribe a limit to, the guide rail can improve guide magnet's motion stability, reduces its rocking in the motion process.

Drawings

FIG. 1 is an external construction view of a magnetic stirring device;

FIG. 2 is a cross-sectional view of a magnetic stirring device;

FIG. 3 is an exploded view of a magnetic stirring device;

FIG. 4 is an internal construction view of a magnetic stirring device;

FIG. 5 is a block diagram of a guide bar of a magnetic stirring device;

fig. 6 is an assembly view of a rail block of a magnetic stirring device.

In the figure: 1. a mounting assembly; 11. a mounting cover; 111. an air intake passage; 112. an air extraction channel; 113. a detection channel; 114. a first guide channel; 12. a base; 121. a second guide channel; 13. a support rod; 2. a reaction assembly; 21. a reaction kettle; 22. a piston; 221. a second seal; 23. sealing cover; 231. an opening; 232. a first seal; 3. a magnetic assembly; 31. a guide magnet; 32. stirring a magnet; 4. a drive assembly; 41. a guide; 411. a guide rod; 4111. a connection plane; 412. a guide rail; 413. a slide block; 414. a shaft sleeve; 42. a connecting block; 421. a first through hole; 422. a second through hole; 423. a fastener.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 6.

The embodiment of the utility model discloses a magnetic stirring device.

Example 1

Referring to fig. 1, a magnetic stirring device includes a mounting assembly 1, a reaction assembly 2, a magnetic assembly 3 and a driving assembly 4, the mounting assembly 1 includes a mounting cover 11, a base 12 and a supporting rod 13, an air inlet channel 111, an air exhaust channel 112 and a detection channel 113 are formed on the mounting cover 11, the air inlet channel 111 and the air exhaust channel 112 are used for charging air and exhausting air, the detection channel 113 is used for installing detection elements, the number of the supporting rods 13 can be two, as long as the whole device can be supported and other parts are not blocked, one end of each supporting rod 13 is connected to the base 12 through threads, the other end of each supporting rod 13 is connected with the mounting cover 11 through the matching of threads and nuts, and meanwhile, the mounting cover 11, the sealing cover 23, the reaction kettle 21 and the base 12 are also compressed tightly along with the continuous tightening of the nuts, so that the mounting gap can be reduced and the tightness can be improved.

The reaction assembly 2 comprises a reaction kettle 21, wherein the reaction kettle 21 can be a cylindrical container with a through middle part, the cylindrical container is arranged between the mounting cover 11 and the base 12, and two end surfaces of the reaction kettle 21 are respectively attached to two opposite surfaces of the mounting cover 11 and the base 12.

Referring to fig. 1 and 2, the magnetic assembly 3 includes a guide magnet 31 and a stirring magnet 32, the guide magnet 31 is disposed outside the reaction kettle 21, in order to ensure stability of the stirring magnet 32 during movement, the guide magnet 31 is a horseshoe magnet, the stirring magnet 32 is a circular ring-shaped magnet, a region of a central through hole only needs to ensure that the stirring magnet 32 is not blocked by a detecting element during movement, an end face of the stirring magnet 32 is perpendicular to an axis of the reaction kettle 21, two poles of the guide magnet 31 are disposed on a surface perpendicular to an axial direction of the reaction kettle 21, and at least one pole is disposed in a channel formed by the reaction kettle 21 and the supporting rod 13.

The driving assembly 4 comprises a guide 41 and a connecting block 42, the guide 41 comprises a guide rod 411, the connecting block 42 is provided with a first through hole 421 which penetrates up and down, a second through hole 422 is formed in the side face of the connecting block 42, the second through hole 422 is communicated with the first through hole 421, a fastener 423 is inserted into the second through hole 422, the bottom face of the fastener 423 is abutted to the side wall of the guide rod 411 and used for fixedly connecting the connecting block 42 with the guide rod 411, the fastener 423 can be a bolt, and the connecting block 42 is connected with the guide magnet 31 through the bolt.

Referring to fig. 2, a first guide channel 114 is provided on the mounting cover 11, a second guide channel 121 is provided on the base 12, the first guide channel 114 penetrates through the mounting cover 11, the second guide channel 121 penetrates through the base 12, shaft sleeves 414 are respectively attached to inner walls of the first guide channel 114 and the second guide channel 121, and upper and lower ends of the guide rod 411 respectively slide through the first guide channel 114 and the second guide channel 121.

Referring to fig. 2 and 3, the reaction assembly 2 further includes a piston 22 and a sealing cover 23, the piston 22 is disposed inside the reaction kettle 21, a second sealing member 221 is attached to a side wall of the piston 22, the second sealing member 221 may be a rubber O-ring, the piston 22 is attached to an inner wall of the reaction kettle 21 through an outer circumferential surface of the second sealing member 221, the sealing covers 23 are disposed at an upper end and a lower end of the reaction kettle 21, upper and lower sides of the sealing cover 23 disposed at the upper end of the reaction kettle 21 are respectively attached to a bottom surface of the mounting cover 11 and an upper end surface of the reaction kettle 21, upper and lower sides of the sealing cover 23 disposed at the lower end of the reaction kettle 21 are respectively attached to a lower end surface of the reaction kettle 21 and an upper end surface of the base 12, the sealing cover 23 may be a PEEK gasket, an opening 231 is opened in a middle of the sealing cover 23, a first sealing member 232 is attached to an inner wall of the opening 231, and the first sealing member 232 may be a tetrafluoroo-ring.

Referring to fig. 4, the air intake passage 111 and the air exhaust passage 112 may be formed as L-shaped holes, and may be perforated from the side wall of the mounting cover 11, so that a sufficient mounting space for the air intake and air exhaust devices can be ensured.

The implementation principle is as follows: the installation cover 11, the reaction kettle 21, the sealing cover 23 and the first sealing piece 232 between the installation cover 11 and the reaction kettle 21, the base 12, the sealing cover 23 and the first sealing piece 232 between the reaction kettle 21 and the base 12 and the piston 22 construct the inside of the reaction kettle 21 into a closed space, the stirring magnet 32 is arranged in the closed space, the guiding magnet 31 is arranged outside the reaction kettle 21, the stirring magnet 32 is required to be ensured to be positioned in the magnetic field action range of the guiding magnet 31, the guiding magnet 31 is connected with the connecting block 42 at one end far away from the stirring magnet 32, the connecting block 42 is connected with the guiding rod 411, the connecting block 42 is driven by the guiding rod 411 to reciprocate vertically, the guiding magnet 31 moves along with the connecting block 42, and the stirring magnet 32 is driven to reciprocate vertically in the reaction kettle 21 due to the effect of the magnetic field, so that the stirring force of the stirring magnet 32 is high, after the viscosity of a reaction object system is increased in the reaction process, hydrate particles can be effectively crushed and mixed, meanwhile, the contact of gas-liquid mixture can be enhanced, the guiding magnet 31 and the stirring magnet 32 are in contact with the stirring magnet 32 in the process, and the stirring magnet 32 in the process has no pollution to the environment, and the stirring process has no pollution to the inside the reaction kettle 21 and the environment.

Example 2

Referring to fig. 5, this embodiment is substantially the same as embodiment 1 except that: the guide rod 411 is provided with a connection plane 4111 on a side wall, a bottom surface of the fastener 423 abuts against the connection plane 4111, the fastener 423 may be a bolt, and the connection block 42 is fixedly connected with the guide rod 411 as the bolt is tightened.

The implementation principle is as follows: when the connecting device is installed, one surface of the bolt, which is far away from the nut, is abutted against the connecting plane 4111, and the original line-surface contact is changed into the surface-surface contact, so that the stability of connection can be improved.

Example 3

Referring to fig. 6, this embodiment is substantially the same as embodiment 2 except that: the driving assembly 4 further comprises a guide rail 412 and a sliding block 413, wherein one end of the guide rail 412 is fixed on the base 12 through a bolt, the guide rail is vertically arranged, one end of the sliding block 413 is slidably connected to the guide rail 412, and the other end of the sliding block 413 is fixedly connected with the connecting block 42 through a bolt.

The implementation principle is as follows: the connecting block 42 is connected with the sliding block 413, and the sliding block 413 is matched with the guide rail 412, so that the sliding block 413 can stably move in the direction of the guide rail 412 without relative rotation and translational motion in other directions due to the action of the guide rail 412, so that the connecting block 42 also has a relatively stable movement track, the shaking of the connecting block is reduced, the guide magnet 31 is driven to perform stable linear movement, the shaking of the guide magnet 31 is reduced, and the collision probability of the guide magnet 31 is reduced.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A magnetic stirring device, characterized in that: the reaction device comprises a mounting assembly (1), a reaction assembly (2), a magnetic assembly (3) and a driving assembly (4), wherein the reaction assembly (2) comprises a reaction kettle (21) arranged on the mounting assembly (1), the magnetic assembly (3) comprises a guide magnet (31) and a stirring magnet (32), the guide magnet (31) is arranged outside the reaction kettle (21), and the stirring magnet (32) is arranged inside the reaction kettle (21) and corresponds to the guide magnet (31);

the driving assembly (4) comprises a guide (41) and a connecting block (42), the guide (41) is installed on the installation assembly (1) and can drive the connecting block (42) to move up and down, and the guide magnet (31) is fixedly connected to the connecting block (42).

2. A magnetic stirring device as set forth in claim 1, wherein: the installation assembly (1) comprises an installation cover (11) and a base (12), wherein the installation cover (11) is fixedly arranged above the base (12), and the reaction kettle (21) is vertically arranged between the installation cover (11) and the base (12);

the upper end and the lower extreme of reation kettle (21) all are equipped with sealed lid (23), are located reation kettle (21) upper end sealed lid (23) upper and lower both sides respectively with the bottom surface of installation lid (11) and the up end of reation kettle (21) are leaned on mutually, are located reation kettle (21) lower extreme sealed lid (23) upper and lower both sides respectively with the lower terminal surface of reation kettle (21) and the up end of base (12) are leaned on mutually, be equipped with opening (231) on sealed lid (23), opening (231) inner wall is with first sealing member (232).

3. A magnetic stirring device as set forth in claim 1, wherein: the reaction assembly (2) further comprises a piston (22), the piston (22) is located inside the reaction kettle (21), a second sealing piece (221) is arranged on the side wall of the piston (22), and the outer peripheral surface of the second sealing piece (221) is attached to the inner wall of the reaction kettle (21).

4. A magnetic stirring device as set forth in claim 2, wherein: the inside of installation lid (11) still is equipped with air inlet channel (111), bleed passageway (112) and detection passageway (113) respectively, air inlet channel (111), bleed passageway (112) with detection passageway (113) all run through installation lid (11) and pass through opening (231) on sealed lid (23) with the inside of reation kettle (21) is linked together.

5. A magnetic stirring apparatus as set forth in claim 4, wherein: a first guide channel (114) is formed in the mounting cover (11), a second guide channel (121) is formed in the base (12), the first guide channel (114) penetrates through the mounting cover (11), and the second guide channel (121) penetrates through the base (12); the guide (41) comprises a guide rod (411), and the upper end and the lower end of the guide rod (411) respectively slide through the first guide channel (114) and the second guide channel (121).

6. A magnetic stirring device as set forth in claim 2, wherein: the mounting assembly (1) further comprises a supporting rod (13), one end of the supporting rod (13) is detachably connected to the base (12), and the other end of the supporting rod is detachably connected to the mounting cover (11).

7. A magnetic stirring apparatus as set forth in claim 5, wherein: the connecting block (42) is provided with a first through hole (421) which is vertically communicated, a second through hole (422) is formed in the side face of the connecting block (42), the second through hole (422) is communicated with the first through hole (421), a fastener (423) is inserted into the second through hole (422), and the bottom face of the fastener (423) is abutted to the side wall of the guide rod (411) to fixedly connect the connecting block (42) with the guide rod (411).

8. A magnetic stirring apparatus as set forth in claim 7, wherein: the guide rod (411) is provided with a connecting plane (4111) on the side wall, and the bottom surface of the fastener (423) is abutted with the connecting plane (4111) to fixedly connect the connecting block (42) with the guide rod (411).

9. A magnetic stirring apparatus as set forth in claim 7, wherein: the guide device (41) further comprises a guide rail (412) and a sliding block (413), the guide rail (412) is vertically fixed on the base (12), one end of the sliding block (413) is slidably connected to the guide rail (412), and the other end of the sliding block (413) is fixedly connected with the connecting block (42).

10. A magnetic stirring device according to claim 1, characterized in that the guiding magnet (31) is a horseshoe magnet and the stirring magnet (32) is a circular ring magnet.