CN218981419U

CN218981419U - Automatic stirring device

Info

Publication number: CN218981419U
Application number: CN202320154474.6U
Authority: CN
Inventors: 刘慧琴; 任成龙; 张文媚
Original assignee: Guangdong Huizhou Petroleum Product Quality Inspection And Test Center
Current assignee: Guangdong Huizhou Petroleum Product Quality Inspection And Test Center
Priority date: 2022-08-04
Filing date: 2023-01-17
Publication date: 2023-05-09
Anticipated expiration: 2033-01-17

Abstract

The utility model relates to the technical field of stirring devices and discloses an automatic stirring device which comprises a support, a driving device, a test tube rack and stirring rods, wherein the driving device and the test tube rack are both arranged on the support, the driving device is arranged above the test tube rack, a plurality of test tube fixing holes penetrating through the upper surface and the lower surface of the test tube rack are formed in the test tube rack, the stirring rods are used for being inserted into test tubes, and the driving device can drive the stirring rods to move up and down. The automatic stirring device replaces the traditional manual stirring mode, can effectively improve the stirring efficiency of the solvent, reduces the contact between a human body and the toxic and harmful solvent, and prevents the chemical solvent from damaging the body of an operator.

Description

Automatic stirring device

Technical Field

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

Background

The existing petroleum wax oil content measurement is based on GB/T3554-2008 petroleum wax oil content measurement method, the testing method in the standard has the advantages of multiple steps and long time consumption, particularly, the process of crystallizing and separating out the wax by cooling down rapidly in the standard is most complicated, manual continuous stirring is needed for at least 30 minutes until the temperature reaches the test temperature, the stirring process is completely dependent on manual stirring by a thermometer, the thermometer is easy to break during stirring, and only samples in two test tubes can be stirred each time, so that the labor intensity is high, the efficiency is low, and the body of an operator can be injured due to the fact that the volatilized chemical solvent is contacted for a long time in the stirring process.

Disclosure of Invention

The utility model aims to provide an automatic stirring device for replacing manual stirring and simultaneously stirring solvents in a plurality of test tubes, so that the stirring efficiency of the solvents is improved, the contact between a human body and toxic and harmful solvents can be reduced, and the harm of the chemical solvents to the body of an operator is prevented.

In order to achieve the above purpose, the utility model provides an automatic stirring device, which comprises a support, a driving device, a test tube rack for placing test tubes and a plurality of stirring rods, wherein the driving device and the test tube rack are both arranged on the support, the driving device is arranged above the test tube rack, a plurality of test tube fixing holes penetrating through the upper surface and the lower surface of the test tube rack are formed in the test tube rack, the stirring rods are used for being inserted into the test tubes, and the driving device can drive the stirring rods to reciprocate up and down;

the driving device comprises a stirring motor and a connecting rod mechanism, wherein the connecting rod mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod and a connection, one end of the first connecting rod is fixedly connected with a rotating shaft of the stirring motor, the other end of the first connecting rod is rotationally connected with one end of the second connecting rod, the other end of the second connecting rod is rotationally connected with one end of the third connecting rod, the other end of the third connecting rod is fixedly connected with the upper end of the connecting frame, and a plurality of upper ends of the stirring rods are fixedly connected with the lower end of the connecting frame.

Preferably, the lower end of the stirring rod comprises a stirring part, and the stirring part is connected with the stirring rod in an included angle.

Preferably, the stirring part is an annular ring, and the stirring part and the stirring rod are of an integrated structure.

Preferably, the height of the test tube rack is adjustable.

Preferably, the support comprises a base and a support rod connected with the base, a plurality of detachable clamping mechanisms are arranged on the support rod, and the test tube rack is installed on the support rod through the clamping mechanisms.

Preferably, the clamping mechanism comprises a fixing part and a clamping part connected with the fixing part, the fixing part is slidably sleeved on the supporting rod, and the clamping part is used for fixing the test tube rack.

Preferably, the stirring motor further comprises a rotating speed controller, and the rotating speed controller is electrically connected with the stirring motor.

Compared with the prior art, the automatic stirring device provided by the embodiment of the utility model has the beneficial effects that:

according to the automatic stirring device, the driving device and the test tube rack are both arranged on the support, a plurality of solvent test tubes to be stirred are placed in the test tube fixing holes of the test tube rack, and the lower end of the stirring rod is inserted into the test tubes. When the automatic stirring device is used, the power supply of the automatic stirring device is started, the stirring motor of the driving device drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to reciprocate on the same rotation plane, the second connecting rod pulls the third connecting rod to move up and down, and the third connecting rod also pulls the stirring rod to move up and down, so that the stirring rod can stir the test tube periodically and automatically. The stirring device does not need manual stirring, can effectively improve the stirring efficiency of the solvent, reduces the contact between a human body and the toxic and harmful solvent, and prevents the chemical solvent from damaging the body of an operator.

Drawings

FIG. 1 is a schematic view showing the overall structure of an automatic stirring device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram I of a movement process of a linkage mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram II of the movement process (lowest point) of the link mechanism according to the embodiment of the utility model;

FIG. 4 is a schematic diagram III of the movement process (highest point) of the linkage mechanism according to the embodiment of the utility model;

fig. 5 is a schematic structural view of a stirring rod according to an embodiment of the present utility model.

In the figure, 1, a support; 11. a base; 12. a support rod; 2. a driving device; 21. a stirring motor; 22. a link mechanism; 221. a first link; 222. a second link; 223. a third link; 224. a connecting frame; 3. a test tube rack; 4. a stirring rod; 41. a stirring section; 5. a clamping mechanism; 51. a fixing part; 52. and a clamping part.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the face facing the front of the human body is defined as "front face", and the face facing the back of the human body is defined as "back face". The orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. in the present utility model are based on the positional relationship shown in the drawings, and are merely for convenience of description of the present utility model and to simplify the description, rather than to indicate or imply that the devices and elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "first", "second", etc. are used in the description of various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.

As shown in fig. 1 to 5, an automatic stirring device according to a preferred embodiment of the present utility model includes a support 1, a driving device 2, a test tube rack 3 for placing test tubes, and a plurality of stirring rods 4, wherein the driving device 2 and the test tube rack 3 are both mounted on the support 1, the driving device 2 is disposed above the test tube rack 3, the test tube rack 3 is provided with a plurality of test tube fixing holes penetrating through the upper surface and the lower surface of the test tube rack 3, the stirring rods 4 are used for being inserted into the test tubes, and the driving device 2 can drive the stirring rods 4 to reciprocate up and down;

the driving device 2 comprises a stirring motor 21 and a link mechanism 22, the link mechanism 22 comprises a first link 221, a second link 222, a third link 223 and a connecting frame 224, one end of the first link 221 is fixedly connected with a rotating shaft of the stirring motor 21, the other end of the first link 221 is rotationally connected with one end of the second link 222, the other end of the second link 222 is rotationally connected with one end of the third link 223, the other end of the third link 223 is fixedly connected with the upper end of the connecting frame 224, and the upper ends of a plurality of stirring rods 4 are fixedly connected with the lower ends of the connecting frame 224.

Based on the above technical scheme, this embodiment is with drive arrangement 2 and test-tube rack 3 all install on support 1, places several solvent test tubes that wait to stir in the test tube fixed orifices of test-tube rack 3, and the lower extreme of puddler 4 inserts in the test tube. When the test tube solvent needs to be stirred, the power supply of the automatic stirring device is started, the driving device 2 drives the stirring rod 4 to move up and down, specifically, as shown in fig. 2, in this embodiment, the link mechanism 22 includes a first link 221, a second link 222, a third link 223 and a connecting frame 224, one end of the first link 221 is fixedly connected with the rotating shaft of the stirring motor 21, the other end of the first link 221 is rotationally connected with one end of the second link 222, the other end of the second link 222 is rotationally connected with one end of the third link 223, the other end of the third link 223 is fixedly connected with the upper end of the connecting frame 224, and a plurality of upper ends of the stirring rods 4 are fixedly connected with the lower end of the connecting frame 224. Based on this, when the driving device 2 is started to stir the test tube solvent, since one end of the first link 221 is fixedly connected to the rotation shaft of the stirring motor 21, referring specifically to the movement process of the link mechanism 22 shown in fig. 2-4, when the stirring motor 21 is started, the first link 221 rotates along with the rotation shaft of the stirring motor 21 in the rotation plane, the first link 221 drives the second link 222 to reciprocate in the same rotation plane, the second link 222 pulls the third link 223 to move up and down, the third link 223 also pulls the stirring rod 4 to move up and down, the link mechanism 22 moves from the highest point to the lowest point and from the lowest point to the highest point, and the link mechanism 22 periodically and repeatedly moves, so that the stirring rod 4 automatically stirs the test tube, and periodically stirs the solvent in the test tube. The stirring device of the embodiment can replace manual stirring, improves stirring efficiency, reduces contact between a human body and toxic and harmful solvents, and effectively prevents the chemical solvents from damaging the body of an operator.

Further, as shown in fig. 5, in this embodiment, the lower end of the stirring rod 4 includes a stirring portion 41, the stirring portion 41 passes through the test tube fixing hole and is inserted into the test tube, and the stirring portion 41 is connected with the stirring rod 4 in an included angle, so as to increase the stirring effect. Preferably, in this embodiment, the stirring portion 41 is an annular ring, the stirring portion 41 and the stirring rod 4 are integrally formed, and one end of the stirring rod 4 can be directly used to wind into an annular ring, and the diameter of the annular ring is smaller than the inner diameter of the test tube, so that the test tube can be conveniently inserted into the test tube.

Specifically, in this embodiment the support 1 includes base 11 and with the bracing piece 12 that base 11 is connected, be equipped with a plurality of detachable fixture 5 on the bracing piece 12, test-tube rack 3 passes through fixture 5 install in on the bracing piece 12, preferably in this embodiment the height of test-tube rack 3 can also be adjusted, will test-tube rack 3 installs on fixture 5, adjusts the height of fixture 5 just also has adjusted the installation height of test-tube rack 3, satisfies the stirring demand of different specification test tubes.

More specifically, in this embodiment, the clamping mechanism 5 includes a fixing portion 51 and a clamping portion 52 connected to the fixing portion 51, where the fixing portion 51 is slidably sleeved on the support rod 12, the fixing portion 51 is slid to adjust the height of the test tube rack 3, and the clamping portion 52 is used to fix the test tube rack 3, so as to facilitate installation and disassembly.

Still further, the present embodiment further includes a rotation speed controller electrically connected to the stirring motor 21 for controlling the rotation speed of the stirring motor 21, thereby adjusting the stirring speed of the stirring rod 4.

The working process of the utility model is as follows: the power supply of the automatic stirring device is started, the stirring motor of the driving device drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to reciprocate on the same rotation plane, the second connecting rod pulls the third connecting rod to move up and down, and the third connecting rod also pulls the stirring rod to move up and down, so that the stirring rod can stir the test tube periodically and automatically. The stirring device does not need manual stirring, can effectively improve the stirring efficiency of the solvent, reduces the contact between a human body and the toxic and harmful solvent, and prevents the chemical solvent from damaging the body of an operator.

In summary, the embodiment of the utility model provides an automatic stirring device, which replaces manual stirring, can effectively improve the stirring efficiency of solvents, reduces the contact between human bodies and toxic and harmful solvents, and prevents the chemical solvents from damaging the bodies of operators.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. An automatic stirring device, comprising: the test tube rack comprises a support (1), a driving device (2), test tube racks (3) for placing test tubes and a plurality of stirring rods (4), wherein the driving device (2) and the test tube racks (3) are both arranged on the support (1), the driving device (2) is arranged above the test tube racks (3), a plurality of test tube fixing holes penetrating through the upper surface and the lower surface of the test tube racks (3) are formed in the test tube racks (3), the stirring rods (4) are used for being inserted into the test tubes, and the driving device (2) can drive the stirring rods (4) to reciprocate up and down;

the driving device (2) comprises a stirring motor (21) and a connecting rod mechanism (22), the connecting rod mechanism (22) comprises a first connecting rod (221), a second connecting rod (222), a third connecting rod (223) and a connecting frame (224), one end of the first connecting rod (221) is fixedly connected with a rotating shaft of the stirring motor (21), the other end of the first connecting rod (221) is rotationally connected with one end of the second connecting rod (222), the other end of the second connecting rod (222) is rotationally connected with one end of the third connecting rod (223), the other end of the third connecting rod (223) is fixedly connected with the upper end of the connecting frame (224), and a plurality of upper ends of stirring rods (4) are fixedly connected with the lower end of the connecting frame (224).

2. The automatic stirring device according to claim 1, wherein the lower end of the stirring rod (4) comprises a stirring part (41), and the stirring part (41) is connected with the stirring rod (4) in an included angle.

3. The automatic stirring device according to claim 2, wherein the stirring portion (41) is an annular ring, and the stirring portion (41) and the stirring rod (4) are of an integrally formed structure.

4. The automatic stirring device according to claim 1, wherein the support (1) comprises a base (11) and a supporting rod (12) connected with the base (11), a plurality of detachable clamping mechanisms (5) are arranged on the supporting rod (12), and the test tube rack (3) is installed on the supporting rod (12) through the clamping mechanisms (5).

5. The automatic stirring device according to claim 4, wherein the clamping mechanism (5) comprises a fixing portion (51) and a clamping portion (52) connected with the fixing portion (51), the fixing portion (51) is slidably sleeved on the supporting rod (12), and the clamping portion (52) is used for fixing the test tube rack (3).

6. An automatic stirring device according to any one of claims 1 to 5, further comprising a rotational speed controller electrically connected to the stirring motor (21).